Dispensing chamber

FIELD: machine building.

SUBSTANCE: dispensing chamber (5) is limited from outside by body (3), bottom (2) and grate (6) and interconnects central supply pipe (8) and side discharge channel (1) through a clearance between bottom (2) and end-face part of central supply pipe (8). Side discharge channel (1) is shaped by body (3) and central supply pipe (8). Grate (6) is installed in side discharge channel (1), while its porosity coefficient corresponds to a range from 0.3 to 0.8. The ratio of dimensions of chamber (5) corresponds to the conditions taking into account the interrelations, first of all, of a height of dispensing chamber (5) and inner diameter of central supply pipe (8); secondly, of a height of inlet into dispensing chamber (5) and inner diameter of central supply pipe (8); thirdly, of a height of dispensing chamber (5), a height of entrance into it and inner diameter of central supply pipe (8); fourthly, of a height of dispensing (5) and a height of entrance into it, radius of the lower part of body (3), inner and outer radii of central supply pipe (8); fifthly, of a distance from bottom (2) to step (7) at body (3) accordingly with the height of dispensing chamber (5) and with a radius of the lower part of body (3), a height of entrance into dispensing chamber (5), inner radius of central supply pipe (8); sixthly, of a radius of the lower part of body (3), inner radius of central supply pipe (8) and a height of entrance into dispensing chamber (5). The dimensions of a flowpath of dispensing chamber (5) are related with its hydrodynamic characteristics by a relation taking into account the mass flow rate of the working medium through a hole of grate (4), an average mass flow rate of the working medium through it, full pressure loss at grate (4), working medium density, average velocity of the working medium in central supply pipe (8), area of cross-section of a jet of the working medium falling on grate (6) jet of the working medium, a radius of the upper part of body (3), external radius of central supply pipe (8), reference radius of grate (6) and three empiric coefficients.

EFFECT: extending functional capabilities of a device at shaping a hydrodynamic irregularity at the exit of the dispensing chamber and simplifying its design.

5 cl, 1 dwg

 

The invention relates to a distributing manifold systems and can be used in the intermediate heat exchangers.

Known for distributing chamber, comprising a housing and a bottom, a Central inlet pipe, a step on the housing, the tube Board and throttling the grill before it is installed in the annular channel formed by the inlet pipe and the casing [Mitenkov F. M., Golovko, V.F., Ushakov P.A. and other Design heat exchangers NPP. Under the General editorship of F. M. Mitenkov. - M.: Energoatomizdat, 1988. - P.55-58].

A disadvantage of the known device is that its running parts use additional structural element throttling lattice, which complicates the design flow of the device and does not allow to fully provide the necessary distribution of the flow rate at the outlet of the distributing chamber.

The closest technical solution to the claimed technical solution is chosen camera, comprising a housing and a bottom, a Central inlet pipe, a step on the housing, the tube Board and the guiding system devices installed in the distributing chamber [Mitenkov F. M., Golovko, V.F., Ushakov P.A. and other Design heat exchangers NPP. Under the General editorship of F. M. Mitenkov. - M.: Energoatomizdat, 1988. - P.55-58].

A disadvantage of the known device is that it protocl the th parts use additional structural element system guide plates, which complicates the design flow of the device and does not allow to fully provide the necessary distribution of the flow rate at the outlet of the distributing chamber.

The invention aims to remedy these disadvantages, namely the provision of the necessary distribution of the fluid flow at the outlet of the distributing chamber without the use of additional structural elements.

To eliminate this drawback in distributing chamber bounded on the outside by the housing, the plate and grid, connecting the Central inlet pipe and a lateral discharge channel through the gap between the bottom and the end part of the Central inlet pipe, and a lateral discharge channel formed by the housing and the Central supply pipe, and the grille is installed in the side of the discharge channel, features:

the porosity coefficient of the grating to provide in the range from 0.3 to 0.8;

- the ratio of the size seeders camera to perform in accordance with the terms and conditions, taking into account the relationship, first, the height of the distributing chamber and the inner diameter of the Central inlet pipe; secondly, the height of the entrance of the distributing chamber and the inner diameter of the Central inlet pipe; thirdly, the height of the distributing chamber, the height of the entrance and the inner diameter of the Central podvodem the second pipe; fourth, the height of the distributing chamber and the height of the entrance, the radius of the lower part of the body, inner and outer radii of the Central inlet pipe; fifthly, the distance from the bottom up to speed on the case in accordance with the height of the distributing chamber and with the radius of the bottom of the chassis, the height of the entrance of the distributing chamber, the inner radius of the Central inlet pipe; Sixthly, the radius of the lower part of the body, the inner radius of the Central inlet pipe and the height of the entrance of the distributing chamber;

- dimensions of the flow part of the dealer's camera to associate with its hydrodynamic characteristics ratio, taking into account the mass flow of the working medium through the hole lattice, the average mass flow rate of the working environment through it, a complete loss of pressure on the lattice, the density of the working environment, the average speed of the working environment in Central inlet pipe, the cross-sectional area incident on the grating of the jet of the working environment, the radius of the upper part of the housing, the outer radius of the Central inlet pipe, the current radius of the lattice and three empirical coefficient.

In private cases, the implementation of the dealer's camera features.

First, when one combined height of the distributing chamber, the distance from the bottom up to speed on the case, the radii of the upper and lower housing parts in the ratio that defines the relationship R is Smurov flowing part of the dealer's camera with its hydrodynamic characteristics, the cross-sectional area incident on the grating of the jet of the working environment to calculate the ratio, taking into account the number PI, the radii of the upper and lower parts of the body, the inner radius of the Central inlet pipe, the height of the distributing chamber and the height of the entrance.

Secondly, when a different combination of the height of the distributing chamber, the distance from the bottom up to speed on the case, the radii of the upper and lower housing parts in the ratio that defines the relationship of the sizes of the flowing part of the distributing chamber with its hydrodynamic characteristics, the cross-sectional area incident on the grating of the jet of the working environment to calculate the ratio, taking into account the number PI, the height of the distributing chamber and the height of the entrance, the distance from the bottom up to speed on the case, the radius of the lower shell and the inner radius of the Central inlet pipe.

Thirdly, when two combinations of sizes of the internal radius of the Central tube, the height of the distributing chamber and the height of the entrance and the radius of the bottom of the hull in the ratio that defines the relationship of the sizes of the flowing part of the distributing chamber with its hydrodynamic characteristics, to use an empirical coefficient depending on a complete loss of pressure on the lattice, the density of the medium, its average speed in the Central inlet pipe, two permanent empirical ratios are now.

Fourthly, the third combination of sizes of the internal radius of the Central tube, the height of the distributing chamber and the height of the entrance and the radius of the lower part of the body, in the ratio that defines the relationship of the sizes of the flowing part of the distributing chamber with its hydrodynamic characteristics, use one empirical coefficient depending on a complete loss of pressure on the lattice, the density of the working environment and its average speed in the Central inlet pipe, a constant empirical coefficient empirical coefficient depending on a complete loss of pressure on the lattice, the density of the working environment and its average speed in the Central inlet pipe, the current radius of the lattice, the outer radius the Central inlet pipe and the radius of the upper part of the body.

Longitudinal axial section of one of the variants distributing chamber is represented on the figure, where the following notation: 1 - side discharge channel; 2 - bottom; 3 - cover; 4 - hole grid; 5 - distributing chamber; 6 - grid; 7 - stage; 8 - Central inlet pipe.

The essence of the proposed technical solution is as follows.

Distributing chamber 5 is limited to outside the housing 3, the bottom 2 and the grating 6.

Distributing chamber 5 connects the Central inlet pipe 8 and a lateral discharge channel of 1 through ZAZ is p between the bottom 2 and the end part of the Central inlet pipe 8.

Side discharge channel 1 is formed by the housing 3 and the Central supply pipe 8.

The bars 6 are installed in the side of the discharge channel 1.

The porosity coefficient of the grating 6 is in a range from 0.3 to 0.8.

The ratio of the sizes of the distributing chamber 5 correspond to the conditions:

0,5H/d02,1,(1)

0,5h/d02,6,(2)

0(H-h)/d00,8,(3)

2-0,2[H-0,5(r12-R)R-1]-R00,(4)

0,5(r12-R2)R-1h0H,(5)

R-0,9r+00,19h0,(6)

where H is the height of the distributing chamber 5, m; d0- inner diameter of the Central inlet pipe 8, m; h - the height of the entrance of the distributing chamber 5, m; R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment in the lower part of the cor the USA before the stage, m; r0the inner radius of the Central inlet pipe 8, m; r1is the radius of the bottom case 5, m; h0- the distance from the bottom 2 to level 7 on the housing 3, m

The sizes of the flowing part of the distributing chamber 8 is connected with its hydrodynamic characteristics in the following ratio

MM-1-1,82+0,81qM-exp{b1[lb-(r-R0)(r2-R0)-1]}+[1,81(qM-1)]-1-1-1-...-{exp{24,7[(r-R0)(r2-R 0)-1-0,21]}+5,64ζ0,84-1}-1-A=0,(7)

where M is the mass flow of the working medium through the opening 4 of the grating 6, kg/s;M- the average mass flow of working medium through the grid 6, kg/s;qM=0,21ζ-0,62F(r22-R02)-1+0,9- maximum relative mass flow of the working medium in the holes 4 grid 6;ζ-2ΔP/(ρw12) the hydraulic resistance coefficient of the grating 6; ΔP is the complete loss of pressure on the bars 6, PA; ρ is the density of the working environment, kg/m3;w1- the average speed of the working environment in Central inlet pipe 8, m/s; F - cross-sectional area incident on the grating 6 jets working environment, m2; r2is the radius of the upper housing 3,m; R0- the outer radius of the Central inlet pipe 8, m; b1- empirical coefficient; lb- empirical coefficient; r is the current radius of the grating 6, m; A is an empirical coefficient.

For the particular cases of the execution of the distributing chamber 5 is characterized by the following :

First, when the ratio of the flow part of the distributing chamber 5, satisfying the condition

0,21(H-h0)-r2-r10,(8)

where H is the height of the distributing chamber 5, m; h0- the distance from the bottom 2 to level 7 on the housing 3, m; r2is the radius of the upper housing 3, m; r1is the radius of the bottom case 3, m,/p>

the cross-sectional area incident on the grating 6 jets working environment is determined by the ratio of:

F=π{r22-[R-0,21H+-0,11(r12-R2)R-1]2},(9)

where F is the cross-sectional area incident on the grating 6 jets working environment, m2; π is the number PI; r2is the radius of the upper housing 3, m; R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment in the lower part of the housing 3 before step 7, m; r0the inner radius of the Central inlet pipe 8, m; h - the height of the entrance of the distributing chamber 5, m; r1is the radius of the bottom case 3, m; H - the height of the distributing chamber 5, m

Secondly, when the ratio of the flow part of the distributing chamber 5, satisfying the condition

0,21(H-h0)-r2-/mo> r10,(10)

where H is the height of the distributing chamber 5, m; h0- the distance from the bottom 2 to level 7 on the housing 3,m; r2is the radius of the upper housing 3, m; r1is the radius of the bottom case 3, m,

the cross-sectional area incident on the grating 6 jets working environment is determined by the ratio of:

F=π[0,21(H-h0)+r1]2-{R-0,21[H-0,5(r12-R2)R-1]}2,(11)

where F is the cross-sectional area incident on the grating 6 jets working environment, m2; π is the number PI; H - the height of the distributing chamber 5, m; h0- the distance from the bottom 2 to level 7 on the housing 3, m; r1- R is dius of the lower shell 3, m;

R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment on the lower housing 3 before step 7, m; r0the inner radius of the Central inlet pipe 8, m; h - the height of the entrance of the distributing chamber 5, m

Thirdly, when the ratios of the sizes of the flowing part of the distributing chamber 5 in accordance with the conditions

(2RH-r12-R2)/[2R(r1-R)]-14,8,(12)

(2RH-r12-R2)/[2R(r1-R)]-13,4,(13)/mo>

where R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment on the lower housing 3 before step 7, m; H - the height of the distributing chamber 5, m; r1is the radius of the bottom case 3, m, the empirical coefficients in equation (7) is equal to

b1=6,5ζ0,48; lb=0,86 and A=0,

where b1- empirical coefficient;andζ=2ΔP/(ρw12)the hydraulic resistance coefficient of the grating 6; Δ a complete loss of pressure on the bars 6, PA; ρ is the density of the working environment, kg/m3;w1- the average speed of the working environment in Central inlet pipe 8, m/s; lb- empirical coefficient; And a is an empirical coefficient.

Thirdly, when the ratio of the flow part of the distributing chamber 5, satisfying the condition

3,4(2RH-r12-R2)/ [2R(r1-R)]-14,8,(14)

where R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment in the lower part of the housing 3 before step 7, m; H - the height of the distributing chamber 5, m; r1is the radius of the bottom case 3, m,

the empirical coefficients in equation (7) is equal to

b1=12,2ζ0,55;lb=0,71andA=exp{52,4ζ0,4{0,86-(r-R0)(r2-R0)-1]}+4,7ζ0,96-1-1,

where b1- empirical coefficient;andζ=2ΔP/(ρw12)the hydraulic resistance coefficient of the grating 6; ΔP is the complete loss of pressure on the bars 6, PA; ρ is the density of the working environment, kg/m3; lb- empirical coefficient; A is an empirical coefficient; r is the current radius of the grating 6, m; R0- outer diameter of the Central inlet pipe 8, m; r2is the radius of the upper housing 3, m

Used in expressions (1÷14) denote structural elements distributing chamber 5 is presented in the figure.

Ratios for the determination of hydrodynamic non-uniformity at the output of the axisymmetric distributing chamber 5 is designed with consideration of the law of conservation of mass in the assumption of constant thermophysical properties of the working environment and the jet nature of its course.

At the conclusion of the calculated ratios adopted the following assumptions.

When moving flat half-jets along the bottom 2, after the site of its stabilization, half-ring of jets along the body (3) and circular submerged jet in distributing chamber (5) is to increase the area of their Popper is tion section accompanied by a decrease in the speed of the working environment in them. Ring of flooded stream after leaving the stage 7 in the housing 3 is converted into a circular flooded stream.

Angle unilateral extension flooded and flooded streams is 12°.

Equation (4) corresponds to the condition of contact of the inner side surface of the jet on the grid 6, equation (5) determines the relative position of the grating 6, stage 7 on the housing 3 and the place of formation as a result of rotation of the half-ring jet at the bottom of the housing 3, and the ratio of (6) corresponds to the condition of traffic flat half-jets along the middle part of the bottom 2.

During the working environment in the flowing part of the distributing chamber 5 is carried out as follows.

Released from the Central inlet pipe 8 into the input portion of the distributing chamber 5, the flow of the working fluid is converted to round the flooded stream, which is the result of turning on the bottom 2 beyond the area of its stabilization is converted to a flat half-a stream in the input part of the distributing chamber 5, moving from the center of the bottom 2 on its periphery. Then flat stranded jet after turning on the bottom of the bottom 2 is converted into a half-ring jet, which is above the level 7 on the housing 3 is converted into the free flooded structure is. When the jet hit the bars 6 one part of the fluid flow enters into the holes 4 of the grating 6, located at the meeting point of the jet, the other part of the flow spreads along the grating 6 with the change in the flow rate along the way. Then, the working medium passes the holes 4 of the grating 6 and out of her.

The use of the proposed technical solution is recommended when the Reynolds number in the Central inlet pipe Re1≻2·105and the hydraulic resistance coefficient of the lattice 6ζ≻0,3.

Specific example seeders camera

Distributing chamber 6 has the following ratio: (H-h)/d0=0,38; h/d0=1,29; H/d0=1,67; R0/d0=0,53; r1/d0=0,67; r2/d0=0.71 and h0/d0=0,93. The porosity coefficient of the grating 6 (ε) is equal to 0.24. The 4 holes in the bars 6 are ring rows. At this Reynolds number in the Central inlet pipe 8 is equal to 1.4·106. The hydraulic resistance coefficient of the grating 6 ζ=8,8.

Comparison of results of calculation by the equation (7) with the experimental data obtained for the specified design distributing chamber 5, showed that the difference in relative consumptionMM-1in matching the x holes 4 6 lattice does not exceed ±12%.

The technical result consists in expanding the functionality of the device during the formation of hydrodynamic non-uniformity at the exit from the distributing chamber 5 and simplifying its construction.

1. Dealer Luggage, limited outside the body, bottom and bars, connects the Central inlet pipe and a lateral discharge channel through the gap between the bottom and the end part of the Central inlet pipe, and a lateral discharge channel formed by the housing and the Central supply pipe, and the grille is installed in the side of the discharge channel, wherein the ratio of the porosity of the lattice corresponds to a range from 0.3 to 0.8, the hydraulic resistance coefficient of the grating is greater than the value of 0.3, and the ratio of the size of distributing chamber match conditions:
0,5H/d02,1,(1)
0,5h/d02,6, (2)
0(H-h)/d00,8,(3)
R-0,21[H-0,5(r12-R)R-1]-R00,(4)
0,5(r12-R2)R-1h0H,(5)
R-0,9r+00,19h0,(6)
where
H - the height of the distributing chamber, m;
d0- inner diameter of the Central inlet pipe, m;
h - the height of the entrance of the distributing chamber, m;
R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working medium in the lower part of the body in front of the stage, m;
r0the inner radius of the Central inlet pipe, m,
r1is the radius of the lower part of the body, m;
h0- the distance from the bottom up to speed on the case, m
and the sizes of the flowing part of the distributing chamber connected with its hydrodynamic characteristics in the following ratio
MM-1-1,82+0,81qM-exp{b1[lb-(r-R 0)(r2-R0)-1]}+[1,81(qM-1)]-1-1-1-......-{exp{24,7[(r-R0)(r2-R0)-1-0,21]}+5,64ζ0,84-1}-1-A=0,(7)
where
M - mass flow rate of the working medium through the hole lattice, kg/s;
M - the average mass flow of working medium through the lattice, kg/s;
qM=0,21ζ-0,62F(r22-R02)-1+0,9- maximum relative mass flow of the working medium in the holes of the lattice;
ζ-2ΔP/(ρw12)the hydraulic resistance coefficient of the grating;
ΔP - complete loss of pressure on the lattice, PA;
ρ is the density of the working environment, kg/m3;
w1- the average speed of the working environment in Central inlet pipe, m/s;
F is the cross-sectional area incident on the grating of the jet of the working environment, m2;
r2is the radius of the upper part of the body, m;
R0- the outer radius of the Central inlet pipe, m;
b1- empirical coefficient;
lb- empirical coefficient;
r is the current radius of the lattice, m
A is an empirical coefficient.

2. Dealer Luggage according to claim 1, characterized in that when the ratio of the size of her flowing part that meets the condition
0,21(H-h0)-r2-r10,(8)
where
H - the height of the distributing chamber, m;
h0- the distance from the bottom up to speed on the case, m;
r2is the radius of the upper part of the body, m;
r1is the radius of the lower part of the body, m,
the cross-sectional area incident on the grating of the jet of the working environment is determined by the ratio:
F=π{r22-[R-0,21H+-0,11(r12-R2)R-1]2},(9)
where
F is the cross-sectional area incident on the grating jet RA the eyes of the environment, m2;
π is the number PI;
r2is the radius of the upper part of the body, m;
R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working environment in the lower part of the body in front of the stage, m;
r0the inner radius of the Central inlet pipe, m;
h - the height of the entrance of the distributing chamber, m;
r1is the radius of the lower part of the body, m;
H - the height of the distributing chamber, m

3. Dealer Luggage according to claim 1, characterized in that when the ratio of the size of her flowing part that meets the condition
0,21(H-h0)-r2-r10,(10)
where
H - the height of the distributing chamber, m;
h0- the distance from the bottom up to speed on the case, m;
r2is the radius of the upper part of the body, m;
r1is the radius of the lower part of the body, m,
the cross-sectional area incident on the grating of the jet of the working environment is determined by the ratio:
F=π[0,21(H-h0)+r1 ]2-{R-0,21[H-0,5(r12-R2)R-1]}2,(11)
where
F is the cross-sectional area incident on the grating of the jet of the working environment, m2;
π is the number PI;
H - the height of the distributing chamber, m;
h0- the distance from the bottom up to speed on the case, m;
r1is the radius of the lower part of the body, m;
R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working medium in the lower part of the body in front of the stage, m;
r0the inner radius of the Central inlet pipe, m;
h - the height of the entrance of the distributing chamber, m

4. Dealer Luggage according to claim 1, characterized in that when the ratio of the sizes of the flowing parts dealer cameras that meet the conditions
(2RH-r12-R2)/[2 R(r1-R)]-14,8,(12)
(2RH-r12-R2)/[2R(r1-R)]-13,4,(13)
where
R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet of the working medium in the lower part of the body in front of the stage, m;
r0the inner radius of the Central tube, m;
h - the height of the entrance of the distributing chamber, m;
r1is the radius of the lower part of the body, m;
H - the height of the distributing chamber, m,
the empirical coefficients in equation (7) is equal to
b1=6,5ζ0,48; lb=0,86 and A=0,
where
b1- empirical coefficient;
ζ=2ΔP /(ρw12)the hydraulic resistance coefficient of the grating;
ΔP - complete loss of pressure on the lattice, PA;
ρ is the density of the working environment, kg/m3;
w1- the average speed of the working environment in Central inlet pipe, m/s;
lb- empirical coefficient;
A is an empirical coefficient.

5. Dealer Luggage according to claim 1, characterized in that when the ratio of the flow part of the dealer's camera, matching
3,4(2RH-r12-R2)/[2R(r1-R)]-14,8,(14)
where
R=-0,05r0-0,01h+0,06[(r0+0,21h)2+r12]0,5is the radius of the free surface of the jet is the working environment in the lower part of the body in front of the stage, m;
r0the inner radius of the Central tube, m;
h - the height of the entrance of the distributing chamber, m;
r1is the radius of the lower part of the body, m;
H - the height of the distributing chamber, m,
the empirical coefficients in equation (7) is equal to
b1=12,2ζ0,55;lb=0,71andA=exp{52,4ζ0,4{0,86-(r-R0)(r2-R0)-1]}+4,7ζ0,96-1-1,
where
b1- empirical coefficient;
ζ=2ΔP/(ρw12)the hydraulic resistance coefficient of the grating;
ΔP is the complete loss of pressure on the lattice, PA;
ρ is the density of the working environment, kg/m 3;
w1- the average speed of the working environment in Central inlet pipe, m/s;
lb- empirical coefficient;
A is an empirical coefficient;
r is the current radius of the lattice, m;
R0- outer diameter of the Central inlet pipe, m;
r2is the radius of the upper part of the body, m



 

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9 cl, 7 dwg

FIELD: power engineering.

SUBSTANCE: plates are arranged in parallel with the main plane of length and include several plates of heat exchanger and a strengthening plate. Plates of the heat exchanger are arranged next to each other and form a packet of plates with the first plate-to-plate gaps and the second plate-to-plate gaps. Each plate of the heat exchanger has four through holes, which form channels though a packet of plates. The plates of the heat exchanger comprise the extreme plate of the heat exchanger at one side of the packet of plates and the extreme plate of the heat exchanger at the opposite side of the packet of plates. Two of the specified plate-to-plate gaps in the packet of plates form an appropriate extreme plate-to-plate gap at the appropriate side of the packet of plates, which are limited in outside direction of one appropriate extreme plates of the heat exchanger. Strengthening plates are arranged outside one of the first plates of the heat exchanger. Strengthening plates have the main area, which passes in parallel to the plane of length and which comprises a strengthening pattern, which is arranged near two channels and comprises at least one groove passing in direction outside from the heat exchanger plates.

EFFECT: increased strength, simplified manufacturing.

17 cl, 11 dwg

FIELD: power industry.

SUBSTANCE: in manufacturing method of radiator with radiator cover the strong flexible material is applied to upper side of radiator and/or at least to one side of the radiator cover, which faces the radiator, at least in some places by means of bonding or mechanical connection, and strong flexible material forms strong and resistant combination with the surface of the radiator and/or at least with one side of the radiator cover, which faces the radiator; at that, strong flexible material is applied to prior to application of powder coating of radiator and/or cover of the radiator; after powder coating has been applied, radiator together with the radiator cover is heated to hot drying temperature of powder coating; at that, owing to thermal effect the viscosity of strong flexible material changes so that the distance appears between the radiator cover and radiator, which excludes the contact of metals between radiator and at least one cover of the radiator; at that, viscosity of strong flexible material changes within temperature range of 120 to 180°C.

EFFECT: simple and economic manufacture, and eliminating the noise during operation.

4 cl, 3 dwg

Heat exchanger // 2410607

FIELD: heating.

SUBSTANCE: invention relates to the field of energy industry and can be used for repeated heating of various environments. The invention lies in the fact that in the heat exchanger, comprising a body with the feeding nipple and an outlet pipe and a tube placed in its cavity, made in the form of a coil with a straight start and the end portions connected to the feeding nipple and the outlet pipe, the casing is designed in the form of a siphon filled with hot water from the drain pipe, and the coil is made of a copper pipe with high heat dissipation, spring-wound and connected with one side through the valve with the inlet pipe of cold water, and the other - through the three-way cock with the circulation capacity that is welded to the electromotor, pipe is welded to the circulation tank, connected through a rubber compound with a storage capacity, which upper part is welded to a copper pipe embedded in the upper part of the circulation capacity and welded with a tin solder to the existing heat exchanger of the refrigerator, and the coil through the three-way valve can be connected to the heat exchanger of the gas column.

EFFECT: extension of the scope due to repeated use of hot water.

1 dwg

Attachment // 2386916

FIELD: power industry.

SUBSTANCE: in the attachment containing a support with cells for tubes, and a group clamp covering the cells, the support has one common cell per each pair of tubes, and clamp is made in the form of a rack with stops entering between adjacent tubes of each cell.

EFFECT: attachment design of the proposed type ensures reliable operation of a bank of spiral tubes of high heat stressed heat exchanger of nuclear power plant, as well as their equal spacing.

1 dwg

Grid // 2386915

FIELD: power industry.

SUBSTANCE: in the grid mainly for spacer heat exchange tubes, which contains a rim with a number of planks located parallel in each row, and in the adjacent one - at an angle relative to each other, thus forming cells for tubes, the rim is equipped on one side with an edge plate with a hole enveloping with a gap all the cells of spacer heat exchange tubes, and it is provided with openings at the level of each row of planks.

EFFECT: grid design of the proposed type will eliminate vibration of a bank of heat exchange tubes.

3 dwg

Grid // 2384807

FIELD: heating.

SUBSTANCE: invention refers to heat engineering and can be used as the device for spacing a bundle of heat exchange tubes of nuclear power plant operating on liquid metal heat carrier in variable load conditions. In the grid containing a rim with rows of planks located parallel in each row, and at an angle to each other - in the adjacent one, at that, rim on one side is equipped with an edge plate with a hole made for tubes and at the level of each row of planks it is provided with windows, each next adjacent row of planks changes its direction relative to vertical constituent part of the rim in helical line so that hex-shaped cells are formed in plan view.

EFFECT: design of the grid of the proposed type will eliminate vibration of a bundle of heat exchange tubes.

3 dwg

FIELD: the invention is assigned for application in heat-exchange apparatus in particular in chemical and other industries specifically for heat treatment of bulk material.

SUBSTANCE: heat-exchange apparatus has housing, heat-exchange pipes arranged vertically and fixed in pipe grates. Heat-exchange apparatus is provided with discharge arrangement placed under lower pipe grate and composed of fixed and moving plates which have hollow holes corresponding to hollow holes in the lower tubular grate. At that the fixed plate is joined without gap with lower pipe grate and moving plate is installed with possibility to make back-and-forth motion in horizontal plane overlapping size of holes. Moreover the moving plate is installed on vertical flat rings.

EFFECT: allows to expand technological possibilities of using vertical housing tube heat-exchange apparatus for realization of heat-exchange between solid bulk material and liquid or gaseous heat-carrying agent, intensifies heat-exchange and give possibility to regulate this process.

2 cl, 3 dwg

Spacer plate // 2259530

FIELD: placement in structural members of heat-exchange apparatuses.

SUBSTANCE: the spacer plate has a rim with rows of strips made with deepened in the form of circumferences, the dimensions of the circumferences of the arcs of deepenings are made variable with a increase from the periphery to the center of the heat-exchange apparatus.

EFFECT: uniform distribution of flow of the heat-transfer agent in the cross section of the heat-transfer apparatus.

2 cl, 3 dwg

FIELD: heat-exchanging equipment production, particularly for power machinery building.

SUBSTANCE: building cradle comprises system including members with support-and-guiding surfaces adapted to temporarily receive support panel for fan engine installation, wherein the support panel is temporarily secured to above support-and-guiding surfaces. The support-and-guiding surfaces are also used to receive support plates to fasten tension bar ends and connection plates arranged between the support plates. Building cradle member for support panel receiving define a circle in plane and has at least one horizontal support-and-guiding surface. Building cradle members for support and connection plates are mainly formed as prisms having trapezoid cross-sections with at least outer inclined face forming support-and-guiding surface to receive support and connection plates of central support member for fan engine installation.

EFFECT: increased manufacturability of gas air-cooling plant production, simplified assemblage, reduced costs and increased reliability and service life of structure to be produced.

10 cl, 6 dwg

FIELD: applicable in heat exchangers.

SUBSTANCE: the method for positioning of the fitting relative to the heat exchanger manifold consists in provision of a manifold with a wall having a through hole, provision of a fitting having a base, pipe connection projecting from the base and having an inner surface, and an opening passing through the base for provision of access to the inner surface; insert of the pipe connection in the hole from one side of the wall so that the fitting base would be on one side of the wall, and the pipe union part would be on the other side of the wall; deformation of the inner surface of the pipe connection with the aid of a tool for deformation inserted through the mentioned opening in the mentioned base for expansion of the mentioned part of the pipe connection to a shape which prevents withdrawal of the mentioned pipe connection from the mentioned hole. The fitting/manifold attachment of a heat exchanger includes: a manifold having a wall having a thickness and a hole passing through the thickness from the outer surface of the manifold to its inner part; a hole having a preliminary shape; and a fitting having a base and a pipe connection projecting from the base that can be deformed; a pipe connection having an outer surface, inner surface and a part projecting from the base to a distance exceeding the mentioned thickness of the mentioned wall; the pipe connection is deformed from the first shape to the second shape; in the first shape the outer surface of the pipe union corresponds to the preliminary shape of the hole for provision of a free insertion of the pipe connection into the hole with the part passing through the wall to the inner part of the manifold; in the second shape the mentioned part is increased so as to keep the pipe connection in the hole; the fitting has an opening passing through the base for provision of access to the inner surface of the pipe connection with the aid of a tool for deformation inserted through the opening for deformation of the pipe connection from the first shape to the second shape.

EFFECT: improved fitting/manifold attachment for a heat exchanger.

9 cl, 16 dwg

FIELD: boiler manufacture for protection against rubbing-out at combustion in boilers of coals containing abrasive ashes.

SUBSTANCE: the ash-protective probe for tubes of the heat-transfer tube bunch has for each tube of the tube bunch a stabilization section and a butt-joining section, whose shape is similar to the shape of the tube bunch, differing by the fact that the stabilization section for each tube of the bunch is provided with an inlet cellular component, whose walls are joined to the walls of the adjacent inlet cellular components adjoining them and has a transient section, and the butt-joining section is installed in the tube of the bunch, besides, the walls joined to the walls of the adjacent cellular components have a welded attachment in the points of butt-joining.

EFFECT: enhanced adaptability to mounting and maintainability whenever it is necessary to replace the ash-protective probe and bunch tubes.

1 dwg

FIELD: lining apparatuses for plate type heat exchanger, plate type heat exchanger and method for making heat exchanger having pack of heat exchanging plates and end plate.

SUBSTANCE: lining apparatus is designed for heat exchanger including pack of heat exchanging plates and end plate. Said end plate has outer side and inner side turned to pack of plate and at least one opening. In said opening lining apparatus is mounted. Lining apparatus includes first portion made of metal sheet and having, practically cylindrical part of tube and butt zone, and second portion made of metal sheet and having, practically cylindrical part of tube and butt zone. Part of tube of first portion is designed for introducing to said opening. Thickness of material of first portion exceeds that of material of second portion at least in overlap zone. Plate type heat exchanger includes pack of heat exchanging plates and end plate. The last has outer side and inner side turned to pack of plate and at least one opening. Lining apparatus is mounted in said opening. Method for making heat exchanger including pack of heat exchanging plates and end plate. The last has outer side and inner side turned to pack of plate and at least one opening. Method comprises steps of providing first portion and second portion; introducing part of tube of second portion into part of tube of first portion in such a way that to create region where tube portions are mutually overlapped. In said region thickness of material of first portion exceeds that of material of second portion. Part of tube of second portion is joined with part of tube of first portion by means of welded joint.

EFFECT: improved design, enhanced quality of lining apparatus for plate type heat exchanger, simplified process for making lining.

13 cl, 3 dwg

Heating appliance // 2299391

FIELD: heating equipment, in particular, heating systems of buildings operating on hot water, water vapor and other heat-transfer agents.

SUBSTANCE: the heating appliance is made in the form of a section with duct for the heat-transfer agent, formed by ribbed members, each ribbed member represents a plate, one of the plates is made at least with three stepped bulges in the form of pipe connections, whose wider part adjoins the plate, and the ducts for the heat-transfer agent are formed by pipe connections of the adjacent ribbed members inserted in one another, the heating appliance is provided with covers, one of which is connected to the first ribbed member, at the other to the last ribbed member of the section with formatting of mixing chambers, the inlet cover in the direction of flow of the heat-transfer agent is provided with inlet and outlet pipe connections, besides, the inlet pipe connection of the inlet cover is installed with a clearance of 0.9 to 1.3 mm relative to the beginning of the duct for inlet of the heat-transfer agent.

EFFECT: enhanced convective heat exchange of the heat-transfer agent, reduced cost of manufacture, simplified process of assembly.

3 dwg

FIELD: heating.

SUBSTANCE: invention relates to heat engineering, namely, to plate-type heat-exchangers. The heat-exchanger consists of a core enclosed in a shell with upper and lower walls and a pair of opposite side walls. The heat-exchanger housing contains upper plate being adjacent to the upper wall and lower plate being adjacent to the lower wall and a pair of side plates adjoining each of side walls. In addition, the upper plate is attached to the lower plate and side plates are interconnected. So the housing plates are interconnected by means of threaded fastenings and include spaced pins. Besides, the side plate pins are placed between the upper and lower plates pins.

EFFECT: reduction of heat-exchanger production and assembling costs due to support housing strengthening and using less strong and less expensive shell.

19 cl, 6 dwg

FIELD: heating.

SUBSTANCE: device for fastening of adapter for joined part on radiator with deformable plates installed between its tubes for cooling liquid, comprises support part that bears adapter for joined part and coupled part, which have several wedge-shaped bulges inverted to each other, and on which connection system elements are arranged for connection to each other. Support and coupler parts each are "П"-shaped with two edge sections and transverse section passing in between, at that bulges are installed pairwise opposite to each other at edge sections and in transverse sections of support part and coupled part. When connecting support and coupled parts, available bulges are impressed into gaps between tubes of radiator, deforming its plates and fixing to them.

EFFECT: provision of especially efficient fixation of device fixed on radiator.

9 cl, 4 dwg

Heat exchanger // 2380636

FIELD: heating systems.

SUBSTANCE: heat exchanger consists of bank of heat exchange coil tubes arranged in the form of platen, the ends of which are fixed in tube sheets; every two adjacent heat exchange coil tubes are attached to each other by means of shaped straps equally spaced as to platen height in staggered order; at that, shaped straps and fasteners have the same material as the tubes.

EFFECT: design with proposed tube bank design will allow obtaining small-sized heat exchanger meeting requirements for reliability, manufacturability, erection at high specific thermal stresses of occupied volume of nuclear power plant.

7 dwg

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