Dust collection system

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes and three dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, and dust-screening conical disk at its outer surface, with axial outlet pipe for cleaned gas and dust discharge pipe in which flood gate is mounted. Conical tanks of first and second dust collectors have dust and gas mix discharge pipes. Source of gas to be cleaned is connected to the fan inlet, fan delivery nozzle is connected by pipes with dampers to tangential inlet pipes and inlet swirlers of first and second dust collectors, axial outlet pipes of which enter open air. Dust and gas mix discharge pipes of conical tanks of first and second dust collectors are connected by pipes with dampers to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected over a damper to pipe connecting source of gas to be cleaned to the fan inlet.

EFFECT: efficient treatment system for large gas volumes.

1 dwg, 1 ex

 

The invention relates to gas cleaning and can be used in various industries - chemical, food processing, wood processing, production of construction materials and products, and other industries that require purification of exhaust gases from fine dust particles.

Known dust collection system containing source gas to be purified, a fan and two vortex inertial dust collector on the counter swirling gas flows, each of which is made in the form of a cylindrical body with a conical hopper with the upper tangential inlet pipe, inlet swirl in the second lower inlet pipe with paleotology conical washer on the outer surface of the bottom nozzle with an axial outlet pipe and with perevypustim pipe, which has a rotary shutter. With this are connected to the source gas to be purified, a tangential inlet pipe, a cylindrical housing, an axial outlet of the first dust collector, fan, tangential inlet pipe, a cylindrical housing and an axial outlet of the second dust collector. The fan is connected directly to the input of the second swirl of dust collector, perevypusku pipe which is connected directly to the input of the first swirl of dust collector (see op is the description of the patent RU №2137528, 1999).

A disadvantage of the known system is: the impossibility of its application for effective cleaning of large amounts of dust-Laden gas, and the inability to control the volume of dust-gas mixture in the conical hopper of the second dust collector, which significantly affects the reliability and efficiency of its work.

The task of the invention is the development of dust collection system that provides effective treatment of large volumes of dust-Laden gas.

The invention consists in that the dust collection system containing source gas to be purified, fans, pipelines and two dust collector on the counter swirling gas flows, each of which is made in the form of a cylindrical body with a conical hopper, the upper tangential inlet pipe, inlet swirler located at the bottom of the input pipe, and paleotology conical washer on its outer surface with an axial outlet pipe cleaned gas and perevypustim pipe, which has a rotary shutter, differs from the closest analogue that is equipped with the third vortex dust collector in a similar design, with tapered bins of the first and second dust collectors are made with pipe exit dust-gas mixture, the source gas to be purified is connected to the fan inlet, naked is lately pipe which is connected via a pipeline, equipped with flaps, with a tangential inlet pipe and the inlet of the swirler of the first and second scrubbers, axial output nozzles are communicated with the atmosphere, and the nozzle exit dust-gas mixture from the conical bins of the first and second collector pipelines with valves, connected to the tangential inlet pipe and inlet swirl the third dust collector, axial outlet through which the valve is connected to the pipeline connecting the source of the purified gas from the inlet of the fan.

The proposed system through a parallel installation of the first and second collector ensures that the effective cleaning of large volume of dust-Laden gas, and using dampers to regulate the volume of dust-gas mixture in the conical hoppers of the first and second collector and thereby to improve the reliability and efficiency of their work.

The invention is illustrated in the drawing, which schematically shows the dust collection system.

The dust collection system includes a source 1 of the purified gas, the fan 2 and three vortex inertial dust collector 3, 4 and 5 on the counter swirling gas flows, each of which is made in the form of a cylindrical body 6 with a conical hopper 7, the upper tangential inlet Petruk the m 8, input swirler 9 in the second inlet pipe 10, paleotology conical washer 11 on the outer surface of the pipe 10, the axial outlet pipe 12 and perevypustim pipe 13, which has a rotary shutter 14. The system contains ten dampers 15-24. Conical hoppers 7 of the first 3 and second 4 collector made of the output nozzles 25 and 26 of dust-gas mixture.

The dust collection system works as follows. Dusty gas flow from the source 1 through the fan 2 is supplied through the open valve 15, 16, 17 and 18 on the tangential inlet nozzles 8 located in the bottom of the inlet 10 inlet swirler 9 of the first 3 and second 4 collectors. The flow of purified gas from the axis of the outlet pipe 12 of the first dust collector 3 through the valve 19 and from the axis of the outlet pipe 12 of the second dust collector 4 through the valve 20 through the pipeline is discharged into the atmosphere. The pipe 25 through the open valve 21 of the conical hopper 7 of the first dust collector 3 and the pipe 26 through the open valve 22 of the conical hopper 7 of the second dust collector 4 powder-gas mixture is fed at a tangential inlet pipe 8 of the third dust collector 5, and through the open valve 23 in the inlet swirl 9 input socket (10) dust collector 5. The purified gas stream from the axis of the outlet pipe 12 of the third is aleurolites 5 through the valve 24 enters the pipeline, connecting the source of gas to be purified with the fan inlet. Valves 17, 18 and 23 are intended to control the costs of the gas streams entering the upper tangential inlet pipe 8 and the inlet swirl 9 collector 3, 4 and 5. Valves 21 and 22 are connecting and disconnecting supply of dust-gas mixture of conical hoppers 7 of the first 3 and the second dust collector 4 in the third dust collector 5. Caught in the collector 3, 4 and 5, the dust is removed from the conical hoppers 7 through perevypusku nozzles 13, equipped with sluice gates 14.

Organization suction of dust-gas mixture from the top of the hopper 7 of the collector 3 and 4 increases the pressure in them that intensifies the process of dropping the dust particles to the walls of the housing 6 and increases the rate of their deposition in the hopper 7. This sucked from the hopper 7 powder-gas stream passes efficient cleaning of the dust collector 5.

Example.

The proposed dust collection system was used to capture coke dust with an initial concentration on the login 15-22 g/m3while the content of dust particles with sizes of up to 15 μm at the inlet of the dust collection system has reached 23%. The output of the system, the concentration of dust particles was 0.5-0.7 g/m3and the content of particles with a size of 15 μm were men who e 12%, and the capture particles larger than 5 microns is about 8%.

Parallel installation of devices HICP allowed to reach the performance of a 16 thousand m3/h gas to be purified.

Thus, the claimed invention allows for reliable operation of dust collection system and to improve the cleaning efficiency of a large volume of contaminated gas from the dust.

The dust collection system containing source gas to be purified, fans, pipelines and two dust collector on the counter swirling gas flows, each of which is made in the form of a cylindrical body with a conical hopper, the upper tangential inlet pipe, inlet swirler located at the bottom of the input pipe, and paleotology conical washer on its outer surface with an axial outlet pipe cleaned gas and perevypustim pipe, which has a rotary shutter, characterized in that it is equipped with the third vortex dust collector in a similar design, with tapered bins of the first and second filters are made with pipe exit dust-gas mixture, the source gas to be purified connected to the fan inlet, the discharge pipe which is connected by piping with valves, with tangential inlet nozzles and the input of the first and second swirlers p is eulophidae, axial output nozzles are communicated with the atmosphere, and the nozzle exit dust-gas mixture from the conical bins of the first and second collector pipelines with valves, connected to the tangential inlet pipe and inlet swirl the third dust collector, axial outlet through which the valve is connected to the pipeline connecting the source of the purified gas from the inlet of the fan.



 

Same patents:

FIELD: motors and pumps.

SUBSTANCE: dust-collecting system includes the source of cleaned gas, pipelines, fan, two dust-collecting units installed at counter-current swirling flows of gas. Each dust-collecting unit is represented with the cylindrical body with the tapered hopper, the first tangential inlet nozzle, inlet swirler in the second inlet nozzle and dust extracting beveled washer installed on its outer surface. The body is also provided with axial outlet nozzle for the cleaned gas and dust discharge nozzle where flood-gate is installed. The system is also provided with the source of clean air, the chokes installed on the pipelines and separating concentrator including cylindrical swirling chamber linked with inlet chamber provided with tangential inlet. There is axial pipe in the swirling chamber to discharge gas flow with less dust concentration. The swirling chamber outlet is located at the opposite side from inlet chamber. Side nozzle is mounted on the surface of swirling chamber to discharge gas flow with higher dust concentration. Tapered hopper of the fist dust-collecting unit is provided with dust-laden gas outlet nozzle. Cleaned gas source is connected to the tangential inlet of separating concentrator having side nozzle connected to the tangential inlet nozzle of the first dust-collecting unit. The axial outlet nozzle of the first dust-collecting unit is linked with the suction nozzle of the fan. Clean air source is coupled with the pipeline provided with choke and with inlet swirler of the first dust-collecting unit. Besides, axial pipe of the separating concentrator is coupled with the pipeline provided with choke and with the pipeline connecting clean gas source with inlet swirler of the first dust-collecting unit. The dust-laden gas nozzle of the first dust-collecting unit is linked with the tangential inlet nozzle and inlet swirler of the second dust-collecting unit. The axial outlet nozzle of the second dust-collecting unit is provided with the suction nozzle of the fan.

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FIELD: separation of heterogeneous dispersed systems; devices for centrifugal separation of liquids from mechanical admixtures in hydraulic cyclone clearances; metallurgy and metalworking industry.

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FIELD: mechanics.

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FIELD: motors and pumps.

SUBSTANCE: dust-collecting system includes the source of cleaned gas, pipelines, fan, two dust-collecting units installed at counter-current swirling flows of gas. Each dust-collecting unit is represented with the cylindrical body with the tapered hopper, the first tangential inlet nozzle, inlet swirler in the second inlet nozzle and dust extracting beveled washer installed on its outer surface. The body is also provided with axial outlet nozzle for the cleaned gas and dust discharge nozzle where flood-gate is installed. The system is also provided with the source of clean air, the chokes installed on the pipelines and separating concentrator including cylindrical swirling chamber linked with inlet chamber provided with tangential inlet. There is axial pipe in the swirling chamber to discharge gas flow with less dust concentration. The swirling chamber outlet is located at the opposite side from inlet chamber. Side nozzle is mounted on the surface of swirling chamber to discharge gas flow with higher dust concentration. Tapered hopper of the fist dust-collecting unit is provided with dust-laden gas outlet nozzle. Cleaned gas source is connected to the tangential inlet of separating concentrator having side nozzle connected to the tangential inlet nozzle of the first dust-collecting unit. The axial outlet nozzle of the first dust-collecting unit is linked with the suction nozzle of the fan. Clean air source is coupled with the pipeline provided with choke and with inlet swirler of the first dust-collecting unit. Besides, axial pipe of the separating concentrator is coupled with the pipeline provided with choke and with the pipeline connecting clean gas source with inlet swirler of the first dust-collecting unit. The dust-laden gas nozzle of the first dust-collecting unit is linked with the tangential inlet nozzle and inlet swirler of the second dust-collecting unit. The axial outlet nozzle of the second dust-collecting unit is provided with the suction nozzle of the fan.

EFFECT: effective cleaning if dust-laden gas flow containing highly-disperse particles.

3 dwg, 1 ex

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes and three dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, and dust-screening conical disk at its outer surface, with axial outlet pipe for cleaned gas and dust discharge pipe in which flood gate is mounted. Conical tanks of first and second dust collectors have dust and gas mix discharge pipes. Source of gas to be cleaned is connected to the fan inlet, fan delivery nozzle is connected by pipes with dampers to tangential inlet pipes and inlet swirlers of first and second dust collectors, axial outlet pipes of which enter open air. Dust and gas mix discharge pipes of conical tanks of first and second dust collectors are connected by pipes with dampers to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected over a damper to pipe connecting source of gas to be cleaned to the fan inlet.

EFFECT: efficient treatment system for large gas volumes.

1 dwg, 1 ex

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, pipes, fan, three dust collectors at oncoming swirl gas flows, dampers and conical separation concentrator installed in the pipes, concentrator containing cylindrical swirl chamber connected to inlet chamber with tangential inlet. Swirl chamber encases axial pipe for discharge of gas flow with lesser dust concentration, pipe outlet located at the swirl chamber side opposite to inlet chamber. Swirl chamber surface carries side pipe for discharge of gas flow with larger dust concentration. Source of gas to be cleaned is connected to tangential inlet of separation concentrator, side pipe of which is connected via dampers to tangential inlet pipe and inlet swirler of first dust collector. Axial outlet pipe of first collector is connected to tangential inlet pipe of third dust collector via a damper and to side pipe of separation concentrator via dampers. Axial pipe of concentrator is connected to tangential inlet pipe and inlet swirler of second dust collector, axial outlet pipe of which is connected to inlet swirler of third dust collector and to axial outlet pipe of separation concentrator, while axial outlet pipe of third dust collector is connected to suction pipe of fan.

EFFECT: improved gas treatment efficiency, convenience of maintenance.

3 dwg

FIELD: technological processes, filters.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes, four dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, with axial outlet pipe for cleaned gas and dust discharge pipe in which floodgate is mounted, and dampers in pipes. Conical tank of first dust collector has dust and gas mix discharge pipe. Source of gas to be cleaned is connected to tangential inlet pipe and inlet swirler of first dust collector, axial outlet pipe of which is connected to tangential inlet pipe and inlet swirler of second dust collector. Axial outlet pipe of second collector is connected to inlet swirler of fourth dust collector. Dust and gas mix discharge pipe of conical tank of first dust collector is connected to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected to tangential inlet pipe of fourth dust collector, and axial outlet pipe of fourth collector is connected to the fan inlet.

EFFECT: enhanced efficiency of dusted gas treatment, especially for fine-dispersed particles.

2 cl, 1 dwg

Cyclone separator // 2358811

FIELD: engines and pumps.

SUBSTANCE: cyclone separator comprises a primary cyclone with the fist outside air intake and the first air discharge outlet. Note that the latter comprises a flow passage part with a perforated section, that makes its lateral wall, and a closed part on its bottom, a secondary cyclone communicating with the primary cyclone. It incorporates also a flow guide arranged above the fist discharge outlet to prevent abrupt change of the direction of airflow forced out from the first discharge outlet and to direct air blown out from the perforated part to the secondary cyclone.

EFFECT: higher efficiency of separation, lower noise.

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Battery cyclone // 2366516

FIELD: engines and pumps.

SUBSTANCE: proposed battery cyclone comprises distributing chamber, counter-current cyclone elements arranged in parallel and communicating with external dust separator and purified gas accumulating chamber. Aforesaid distributing chamber is furnished with inlet swinging-gave valve branch pipe attached thereto and settling chamber. The latter communicates with distributing chamber via slots. Counter-current cyclone elements represent cylindrical cyclone counter-current dust concentrators with individual tangential gas inlets that communicate with aforesaid distributing chamber. Proposed device incorporates also purified gas discharge pipes and dust withdrawal sections provided with tangential dust concentrate outlets that communicate with sectionalised dust collector that allows withdrawing dust-gas mix in external dust collectors. The latter represent separate counter-current cyclones. Dust concentrator exhaust pipes are furnished with scroll-type swirlers and communicate with purified gas collecting chamber that incorporates a swinging gate valve. Counter-current cyclones have through collectors with gate valves that comprise dust risers, while settling chamber is furnished with dust duct with gate valve.

EFFECT: higher efficiency.

4 cl, 4 dwg, 3 tbl, 5 ex

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