Heat exchanger valve device

FIELD: machine building.

SUBSTANCE: invention relates to heat exchangers. Claimed device comprises the first valve means (7) to be fitted in the pipeline (6) connected with the primary loop (3) of heat exchanger (2). Said means (7) comprises the first intake channel (19), first discharge channel, first valve seat (17) and first shutoff element (18) arranged between said first intake channel (19) and first discharge channel. Claimed device comprises the second valve means (14) to be fitted in the pipeline (11) connected with the secondary loop (4) of heat exchanger (2). Means (14) comprises the second intake channel (20), second discharge channel (21), second valve seat (22) and second shutoff element (23) arranged between channels (20, 21). Means (7) and (14) are integrated into common valve assembly (16). The first and second elements (18, 23) can be displaced between valves (20, 21) by pressure difference. Common valve assembly (16 comprises retaining means to open the second means (14) after opening of the first means (7) only.

EFFECT: simplified assembly.

8 cl, 6 dwg

 



 

Same patents:

FIELD: power industry.

SUBSTANCE: consumer water heating system contains the tank for heating of the water pumped from the water supply source through the pipeline comprising the valve regulated by a control unit, temperature, flow rate and pressure sensors, the mixing chamber, one or two blowing fans. The tank for water heating is fitted with the water level sensor and the water mixer, the coil along the whole area of the tank is installed in the tank. The coil is installed with a possibility of dismantling and made of the material with high heat conductivity. The inlet pipeline of combustion gases of boiler plant is connected to the coil inlet. The tank is connected with the circulation pump, the adjustable control unit through the pipeline comprising temperature, flow rate and pressure sensors. The circulation pump through the valves regulated by control units is connected with the recirculation pipeline for water supply into the tank and the pipeline for water supply into the mixing chamber. The system is fitted with the pressure safety valve.

EFFECT: expansion of scope of application, improvement of efficiency of heating capacity of combustion gases, automation of the control system.

4 cl, 3 dwg

Equalising valve // 2557150

FIELD: construction.

SUBSTANCE: group of inventions relates to valve building and is designed for equalisation of pressures in hydraulic networks of buildings, in which fluid medium flow rate is different and depends on a season. Equalising valve (1) with damper (2) has inlet (A) and outlet (B) and is installed after temperature-controlled element (3) connected to branch (4) of hydraulic network (5) with generally constant pressure (ΔP). The equalising valve is provided with measuring devices (7) of characteristic value of fluid medium circulating through equalising valve (1), position control devices (8) of damper (2) of equalising valve (1), data storage devices (11), in which internal and external parameters of equalising valve (1) are stored, and independent processing devices (10), which are designed so that automatic equalisation in branch (4) can be provided using magnitudes of characteristic value of fluid medium, which are obtained by means of measuring devices (7), control devices (8) and data stored in storage devices (11). There are methods for implementation of the above pressure equalisation operations.

EFFECT: group of inventions is aimed at easy operation, accessibility for any user, saving of time during installation and funds during the service life.

14 cl, 6 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to a method for optimised functioning as to power of a motor-driven pump in a hydraulic system with at least one self-adjustable consumer. Predetermined head (Hsoll) of the pump is controlled depending on its volumetric flow rate (Q) according to the controlled basic characteristic curve, which is determined by means of pre-determined specified value (HK) of the characteristic curve. Volumetric flow rate (Q) pumped with the pump is determined, and its trend (δQ) is determined, and depending on volumetric flow rate (Q) and/or its trend (δQ) the specified value of characteristic curve (HK) is increased when volumetric flow rate (Q) is increased, or decreased when volumetric flow rate (Q) is decreased.

EFFECT: invention is aimed at optimum matching of hydraulic power of the pump with its corresponding working point in a hydraulic system.

21 cl, 13 dwg

Three-way valve // 2537658

FIELD: machine building.

SUBSTANCE: valve has the housing 1 with input 3, output 4 and offtake branch pipes 5. Between internal hollow of the housing 1 and output 4 and offtake branch pipes 5 the seats 6, 7 are located. The housing 1 has a valve block with the valve trays 8, 9, installed on a rotary lever 10 with a possibility of contact of the tray 8 with the seat 6 in one extreme angular position of the rotary lever 10 and the tray 9 with the seat 7 in the other extreme angular position of the rotary lever 10. The axis 11 of the lever 10 is located between output 4 and offtake branch pipes 5 perpendicularly to the plain with the axes of these branch pipes. On the housing 1 fitting is installed, through which in parallel to axis 11 a movable rod of the valve block moving device passes The named facilities also contain the motion booster in the form of double-shoulder lever. The named rod from one end interacts with a heat head thruster, and from another one - with the smaller shoulder of the double-shoulder lever. The greater shoulder of the double-shoulder lever passes through a sealing element. The double-shoulder lever is spring-bias towards the side of pressing of the valve tray 8 to seat 6, adjacent to the output branch pipe 4.

EFFECT: improvement of accuracy of temperature regulation, lowering of hydraulic resistance to the heat carrier flow and improvement of convenience of valve operation.

5 cl, 3 dwg

FIELD: heating.

SUBSTANCE: present invention relates to a method of controlling the maintaining water temperature in the water heater with the heat accumulator controlled by the electronic regulator. The method of controlling the water heater with a heat accumulator in which water heating is carried out by the heating element, controlled by the regulator, which can bring the water temperature to a variable target temperature, and which comprises: defining moment (tONk; t'ONi) of the start of heating to ensure intakes (Pk; Pi) of water comprises the following stages: at short time intervals (δW) all the w intakes are accounted (P1, …, Pi, …, Pw), which moment of start (ti) falls on the specified time window (Δtw) immediately following the current moment of time, and the time window (Δtw) is selected based on the type of water supply system, for which the water heater (1) is designed, and is sufficiently extended to include the moment (ti) of start of all the intakes (Pi), which moments (t'ONi) of the start of imaginary heating presumably precede the moments (t'ON) which correspond to (i-1) preceding intakes (P1, …, Pi-1), at the said moment (ti) of start of intake which falls on the time window (Δtw), the same number of imaginary intakes (P'1, …,P'i, …, P'w) is constructed each of which has the same moment (tw) of start as the start moment of the corresponding real intake (Pi), and the initial temperature (T'set.i) of the imaginary intake determined by adding the initial temperatures (Tset1, Tset2, …, Tset (i-1)) of all water intakes accounted for the time window (Δtw) and preceding the intake itself (Pi), and the corresponding initial temperature (Tset.i) of real intake, on the basis of which each initial temperature (Tset1, Tset2, …, Tset (i-1)) is determined of the optimum temperature (Topt) of discharge according to the formula T'set.i=Tset.i+(Tset1-Topt)+(Tset2-Topt)+…+(Tset(i-1)-Topt), for each of the imaginary intakes (P'1, …, P'i, …, P'w) the moment is calculated (t'ONi) of start of imaginary heating according to the formula t'ONi=ti-(T'set.i-Tm)/VTh, on reaching the earliest of the moments (t'ONi) of start of heating the target temperature (Ttarget) is set at an initial temperature level (T'set.i) of the corresponding imaginary intake (P'i), at that it is understood that the upper limit of the said target temperature (Ttarget) is the maximum set temperature (Tset.max), and to achieve the earliest of the moments (t'ONi) of the start of heating the temperature is maintained (Ttarget) equal to the maintaining temperature (Tstand-by), and the said maintaining temperature (Tstand-by) is the temperature maintained at moments of time remote from the moments of the intake.

EFFECT: invention enables in the planned mode to change with the passage of time the temperature in the water tank.

29 cl, 4 dwg

FIELD: heating.

SUBSTANCE: essence of information-measuring and control system of optimisation of production and consumption of heat energy at the distributed facilities of heat supply comprises a first circuit with a heat source (gas boiler), a heat exchanger, a second circuit of the heat network, a temperature sensor in the straight pipeline of the first circuit, a temperature sensor in the return pipeline of the second circuit, a pressure sensor in the straight pipeline of the second circuit, a gas supply regulator, a gas flow sensor, a fan, an air temperature sensor, an air flow rate sensor, a temperature sensor of waste gases, a metre of produced heat energy, a multichannel microprocessor control unit of energy saving in production of heat energy, a memory unit, a control centre of receiving the information, a unit of control the combustion process in the boiler, a heat supply system, a control unit of heat energy consumption, and the first circuit with a heat source (gas boiler), the first output of which is connected to the input of the temperature sensor of waste gases and through the heat exchanger is connected to the second circuit of the heat network, is connected to the input of the temperature sensor in the straight pipeline of the first circuit, three outputs of the second circuit are connected to the inputs of the temperature sensor in the return pipeline, the pressure sensor in the straight pipeline, the metre of produced heat energy, the outputs of which are connected to the inputs of the multichannel microprocessor control unit of energy saving in production of heat energy, the output of the gas supply regulator by the of gas flow rate sensor is connected to the first input of the boiler, the output of the fan through the air temperature sensor, the air flow rate sensor is connected to the second input of the boiler, the outputs of the gas flow rate sensor, air flow rate sensor, air temperature sensor, temperature sensor of waste gases are connected to the inputs of the multichannel microprocessor control unit of energy saving in production of heat energy, the first output of which is connected to the input of the memory unit, the second output is connected to the input of the control centre of receiving information, the second, third, fourth inputs of the control centre of receiving information are connected to the outputs of the heat supply system by the control units of heat energy consumption, which fourth, fifth, sixth outputs of the second circuit are connected to the inputs of heat supply systems, the output of the control centre of receiving information by the control unit of the combustion process in the boiler is connected to the inputs of gas supply regulator and the fan. Thus, the information-measuring and control system of optimisation of production and consumption of heat energy at the distributed facilities of heat supply enables to optimise the process of production and consumption of heat energy at the distributed facilities of heat supply and to improve energy efficiency of operation of the presented facilities.

EFFECT: enhancing the technological capabilities of the device by controlling a variety of distributed facilities of heat supply in order to increase their efficiency in accordance with the concept of best available techniques.

1 dwg

FIELD: heating.

SUBSTANCE: information and measuring system for monitoring of energy saving at production of thermal energy includes the first circuit with a heat source (a gas boiler), a heat exchanger, the second circuit of a heat network, a temperature sensor in a direct pipeline of the first circuit, a temperature sensor in a return pipeline of the second circuit, a pressure sensor in the direct pipeline of the second circuit, a gas supply control, a gas flow sensor, a fan, an air temperature sensor, an air flow sensor, a waste gas temperature sensor, a produced thermal energy metre, a multi-channel microprocessor energy saving monitoring unit at production of thermal energy, a memory unit, a dispatch information receiving centre; besides, the first circuit with the heat source (gas boiler), the first outlet of which is connected to the inlet of the waste gas temperature sensor and through the heat exchanger is connected to the second circuit of the heat network, is connected to the inlet of the temperature sensor in the direct pipeline of the first circuit; three outlets of the second circuits are connected to inlets of the temperature sensor in the return pipeline, a pressure sensor in the direct pipeline, a produced thermal energy metre, the outlets of which are connected to inlets of the multi-channel microprocessor unit for monitoring of energy saving at production of thermal energy; the outlet of the gas supply control is connected by means of the gas flow rate to the first boiler inlet; the fan outlet is connected by means of the air temperature sensor, the air flow sensor to the second boiler inlet; outlets of the gas flow sensor, the air flow sensor, the air temperature sensor, the waste gas temperature sensor are connected to inlets of the multi-channel microprocessor unit for monitoring of energy saving at production of thermal energy, the first outlet of which is connected to the inlet of the memory unit, and the other outlet is connected to the inlet of the dispatch information receiving centre.

EFFECT: invention allows optimising a thermal energy production process at distributed heat supply facilities and improving energy efficiency of operation of the presented items.

1 dwg

FIELD: power engineering.

SUBSTANCE: control system includes a source of heat, supply and return pipelines, a unit of coolant flow rate control, comprising a flow rate controller and sensors of flow rate, temperature and pressure, installed on supply and return pipelines, a circulating pump, a heat energy processor, linked to sensors and the controller. To achieve the technical result, the unit of coolant flow rate control is equipped with sensors of temperature of external and internal air, at the same time the unit of coolant flow rate control, the circulating pump and the heat energy processor are installed on a load with higher thermal load, other loads of the system are equipped with sensors of coolant flow rate and sensors of internal air temperature, connected to the heat energy processor.

EFFECT: control of heat consumption of a group of loads without installation of a full complex of automatics devices with preservation of the temperature mode, which are connected to heat networks of buildings, which makes it possible to save capital costs, service costs, saving of thermal and electric energy.

1 dwg

FIELD: machine building.

SUBSTANCE: first output of the first circuit with heat source, a gas boiler, is connected with discharge gas temperature gage input and, via heat exchanger, with heat network second circuit. Second circuit three outputs are connected with return pipeline pressure age, forward pipeline pressure gage, their outputs being connected with inputs of multichannel microprocessor unit for control over power saving control in heat power production. Gas feed controller output is connected via gas flow rate metre with boiler first inlet. Blower outlet is connected via air temperature gage and air flow rate gage with boiler second outlet. First output of said microprocessor unit is connected with memory unit with its second output connected to dispatcher data acquisition centre input. Output of the centre is connected via boiler combustion control unit with gas feed and blower controller inputs.

EFFECT: optimised heat production and higher efficiency.

1 dwg

FIELD: machine building.

SUBSTANCE: proposed system comprises at least two temperature control circuits 2, 3, 4. Pressure control unit 18, 19, 20 is arranged to simplify and to optimise power consumption in every circuit 2, 3, 4. Pressure control units 18, 19, 20 allow invariable pressure difference in appropriate circuit 2, 3, 4. Pressure control units 18, 19, 20 equalise pressure difference in all said circuits.

EFFECT: power savings, better convenience.

11 cl, 4 dwg

FIELD: mechanical engineering.

SUBSTANCE: group of inventions relates to the armature construction field and is used as a thermostatic mixing valve for an application particularly in domestic sanitary equipment to supply flow water, having the controlled temperature. The thermostatic mixing valve comprises a mixing device (31) and an actuating device (37). The mixing device (31) moves between two seats (11, 11a) for mixing fluids with different temperatures. The actuating device (37) is sensitive to the temperature of the mixed fluid to create a stroke of position control of the mixing device between two seats for supplying the mixed liquid with an adjusted temperature. An absorption mechanism (23) comprises one (11a) of the mentioned seats. The actuating device (37) is mounted between the mixing device (31) and the absorption mechanism (23). The absorption mechanism (23) is designed with a possibility to move in the direction of a distance increase between the two seats, when the mixing device (31) bears on the other seat (11), to remove the stroke excess of the actuation device (37) by absorption due to the influence of the excessive temperature change of the mixed fluid. There is a constructive version of the valve design.

EFFECT: group of inventions is aimed at simplification of the thermostatic valve design and increase of convenience of its use.

5 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: group of inventions refers to a three-way high pressure pneumatic valve. A device for control the fluid medium under high pressure comprises a casing fitted by the first, second and third ports which are selectively connected to each other streamwise through a control component. The said component is able of travelling between the first and the second reference positions for the selective direction of the fluid medium along the path between the first and the second ports or alternatively between the first and the third ports. The control component comprises the first tapered section formed opposite the first supporting surface and the second tapered section formed opposite the second supporting surface. At that the useful area of the first supporting surface is equal to the useful area of the first tapered section when the control component is in the first position. The useful area of the second supporting surface is equal to the useful area of the second tapered section when the control component is in the second position. Balancing of the control component is provided in that way. Versions of the device for fluid medium control are described.

EFFECT: control valve performs duties which are usually performed by two valves connected to each other.

25 cl, 12 dwg

FIELD: machine building.

SUBSTANCE: control device for control of fluid medium flow rate contains a valve body that determines an inlet hole, and outlet hole and a neck located between the inlet hole and the outlet hole, a control element located in the neck of the valve body and located so that it can be moved between the first position and the second position for control of fluid medium flow rate through the valve body, a mechanical assembly containing a valve seat and a retaining ring; at that, the valve seat is attached to the valve seat inside the neck, and the retaining ring is connected through thread to the valve seat, and a seal containing graphite material clamped between the valve body and the retaining ring and interacting with the valve body so that tight sealing is provided for fluid medium between the mechanism assembly and the valve body. The valve seat includes an annular mounting part and an upper annular part located opposite the neck relative to the annular mounting part; at that, annular mounting part is connected through thread to thread to the valve body and determines the first mounting surface provided with possibility of interaction with the control element when the control element is in the first position; at that, the upper annular part is connected through thread to the retaining ring.

EFFECT: improvement of valve characteristics.

41 cl, 12 dwg

FIELD: machine building.

SUBSTANCE: body of a three-way valve includes a neck specifying a cylindrical cavity of the neck. The valve body is provided with a flow diverting device that passes into the neck cavity. The flow diverting device interrupts any circulating fluid medium flow inside the neck cavity, thus improving the efficiency of fluid medium flow through the valve body. As per one version of the invention implementation, the flow diverting device can contain one or several ribs made as an integral part of the valve and located parallel to the central axis of the neck cavity.

EFFECT: higher reliability of the device.

23 cl, 6 dwg

FIELD: machine building.

SUBSTANCE: proposed valve 1 has inlet area 13 and first discharge area 14, and, at least, one second discharge area 15 to be intercommunicated by, at least, two plate valves 11, 12. Flow control device 21 is arranged upstream of first discharge area 14 and second plate valve second discharge area 15. It has feed area 22 and discharge area 23. In compliance with this invention fluid in said flow control device 21 is directed via several channels distributed in said device distributed and separated one from the other. Said channels feature scroll shape to swirl fluid flow toward second plate valve 12.

EFFECT: higher reliability.

18 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: thermostatic tap (1) comprises a body (2) of the water mixer tap of tubular shape, a thermostatic element (3), which forms a pre-assembled complex inserted inside the body (2) of the tap, and facilities (6, 7) of shell fixation in the body (2) of the tap. The thermostatic element (3) comprises a hollow shell (4) of plastic material, where thermostatic facilities (5) are installed to adjust temperature of a medium (M) going out of an element and produced by means of mixing of an incoming cold medium (F) and incoming hot medium (C). Fixation facilities comprise a screw (7) at one side, including a rod (71) with helical thread and an expanded end head (72), and on the other side there is a rigid part (6). For simple and rigid fixation in the body (2) of the tap, the rigid part (6) is movably inserted between the body (2) of the tap and the shell (4) along the axis of displacement (Z-Z), the transverse longitudinal axis (X-X) of the body (2) of the tap and is kinematically joined with the shell (4) simultaneously in direction of the axis of the body (2) of the tap and rotation around this axis. The rigid part (6) is equipped with a hole with helical thread (63) with the centre along the axis of displacement, which opens to the surface (62B) of the rigid part facing the body (2) of the tap. The rigid part (6) is arranged as capable of interaction by means of screwing of a rod (71) with helical thread of the screw (7) for displacement of the rigid part (6) to adjacency to the surface of the support against the inner surface (2A) of the body (2) of the tap, when this screw is introduced outside the body (2) of the tap via a transverse hole (21), crossing the body (2) of the tap and smaller than the head of the screw (72). There is a method to make the specified water mixer tap.

EFFECT: simplified maintenance of a tap that does not require long and complicated adjustment and its simplified manufacturing.

10 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: proposed device comprises valve body with fluid channel. Control component arranged in said body to displace therein between first and second positions. Cap attached to said body extends into said channel to direct, at least, portion of fluid when aforesaid control component stays between said first and second positions. Ledge is made on said cap to extend, at least, partially into valve body. Said ledge features, in fact, parabolic cross-section.

EFFECT: perfected design.

20 cl, 6 dwg

FIELD: construction.

SUBSTANCE: water drainage facility comprises an inlet and an outlet channels for water with one inlet hole and two outlet holes; an upper (102) and a lower (105) sealed seats; a water drainage switch arranged as capable of tight adjacency to sealed seats and designed to switch between two outlet holes. The switch comprises a sliding rod, a fixed holder with a through hole for a sliding rod and a support bracket. On the surface of the sliding rod there is the first and the second supports arranged on different levels and designed to support a bent part of the support bracket against them. On the surface of the sliding rod there is the first and the second slots of single-sided sliding for a bent part of the support bracket. The specified first slot comprises the first path starting from the first support and the second path connected to the first support and leading towards the second support. The place of their connection is arranged further from the head part of the sliding rod compared to the second support. The specified second slot comprises the third path starting from the second support and the fourth path connected to the third path. The place of their connection is arranged further from the head part of the sliding rod compared to the second support. The fourth path is connected to the first path or to the first support. The switch comprises a spring pressing against the sliding rod in direction from its head part to the end part. The head part of the sliding rod is connected with a valve plate.

EFFECT: increased reliability and simplicity in device operation.

10 cl, 8 dwg

FIELD: machine building.

SUBSTANCE: proposed automatic switch consists of three-way body, two flanges, shut-off assembly, shut-off assembly drive axle, O-rings and three inlet and outlet branch pipes. Shut-off assembly consists of shutter, rocker and two membrane assembly. Said shutter is made up of cylinder with O-rings at its end faces fitted on switching shaft fitted in seats of said membrane assembly. Rocker axle is press-fitted perpendicular to switching shaft in horizontal plane at gave valve center. Rocker axle consisting of top and bottom wedge levers jointed together by axle. Bottom wedge levers is made up of single support with tapered base, through opening for shutter passage and rocker axle opening. Top wedge lever consists of wedge-like top support and guide with spring arranged there between. Said rocker top and bottom wedge levers have their tapered supports and bases thrusting against switch body cutouts. Every membrane unit consists of membrane case with holes and switching shaft seat, and membrane proper. The latter is tightly pressed against membrane case by thread joint.

EFFECT: higher safety.

3 dwg

Valve // 2347127

FIELD: machine building.

SUBSTANCE: invention relates to hydro pneumatic automatic control devices and can be used in aircraft hydraulic control systems. The proposed valve incorporates a body with the pressure, control and drain channels separated by two cups arranged in the valve body and provided with aligned grooves and holes. A push rod is arranged in the said grooves to move therein. The aforesaid holes in the cups are made on both sides of the push rod to contact, by their outer edges, with the ball-like shut-off members. One of the said balls, on the drain side, interacts with a spring-loaded rod moving inside the electromagnetic drive stator. Note that in one position of the aforesaid rod, the control channel communicates with the drain line while, in the other position, it communicates with the pressure channel. There is a spring-loaded plunger fitted in the valve body of the pressure side, its end face interacting with the shut-off member on the aforesaid side. Cylindrical collars are made on the outer surface of every cup on the side of holes and aligned with them. One of the said collar accommodates on the drain side a sleeve locked in a blind groove aligned with the sleeve through hole receiving a ball. The collar of other cup, but on the pressure side, accommodates a similar sleeve with the ball.

EFFECT: higher valve tightness.

1 dwg

Valve // 2347127

FIELD: machine building.

SUBSTANCE: invention relates to hydro pneumatic automatic control devices and can be used in aircraft hydraulic control systems. The proposed valve incorporates a body with the pressure, control and drain channels separated by two cups arranged in the valve body and provided with aligned grooves and holes. A push rod is arranged in the said grooves to move therein. The aforesaid holes in the cups are made on both sides of the push rod to contact, by their outer edges, with the ball-like shut-off members. One of the said balls, on the drain side, interacts with a spring-loaded rod moving inside the electromagnetic drive stator. Note that in one position of the aforesaid rod, the control channel communicates with the drain line while, in the other position, it communicates with the pressure channel. There is a spring-loaded plunger fitted in the valve body of the pressure side, its end face interacting with the shut-off member on the aforesaid side. Cylindrical collars are made on the outer surface of every cup on the side of holes and aligned with them. One of the said collar accommodates on the drain side a sleeve locked in a blind groove aligned with the sleeve through hole receiving a ball. The collar of other cup, but on the pressure side, accommodates a similar sleeve with the ball.

EFFECT: higher valve tightness.

1 dwg

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