CN204107197U - Micro-dust treatment device - Google Patents
Micro-dust treatment device Download PDFInfo
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- CN204107197U CN204107197U CN201420476315.9U CN201420476315U CN204107197U CN 204107197 U CN204107197 U CN 204107197U CN 201420476315 U CN201420476315 U CN 201420476315U CN 204107197 U CN204107197 U CN 204107197U
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Abstract
The utility model belongs to micronic dust processing technology field, particularly relates to a kind of micro-dust treatment device, is intended to solve prior art and is difficult to carry out effectively trapping the technical problem processed to the micronic dust in tail gas.Tail gas enters the first momentum-exchange machine and produces the first negative pressuren zone, and after decompression tube, step-down is slowed down, and enters the first filtration members.In the process, the main air in tail gas passes the sidewall of decompression tube and enters the second momentum-exchange machine, produces the second negative pressuren zone, and main air enters air from the second momentum-exchange machine.Due to the existence of the first negative pressuren zone, the secondary air flow entered in the first filtration members is sucked out to the first negative pressuren zone, and secondary air flow is divided into the 3rd strand of air-flow and the 4th strand of air-flow.Due to the existence of the second negative pressuren zone, the 3rd strand of air-flow is sucked out to the second negative pressuren zone, then enters the second negative pressure chamber of the second momentum-exchange machine and enter air, and the first negative pressure chamber that the 4th strand of air-flow enters the first momentum-exchange machine processes again.It is inner that micronic dust is retained in the first filtration members.
Description
Technical field
The utility model belongs to micronic dust processing technology field, particularly relates to a kind of micro-dust treatment device.
Background technology
Containing a large amount of particulate pollutant and tiny micronic dust emission in the tail gas discharged by engine, the flue gas by smoke stack emission or the waste gas by boiler emission.Existing micronic dust treatment technology comprises particle trap, bag-type dust, cyclone dust removal, electrostatic precipitation, second-time burning etc., although prior art has certain dust removing effects, but process not thorough, existing micronic dust treatment technology great majority with the particle processing size and be greater than 10 μm for standard is implemented, and it is more difficult to be less than the particle of 10 μm for size, still have many being discharged in atmospheric environment, thus cause air environmental pollution.So there is many technical bottlenecks in the standard application implementation of micronic dust process, such as easy blocking or back pressure are excessively high.In the prior art, employing filter grid stops the dust particale thing in the tail gas that engine discharges usually.Stop that the diameter of dust particale thing is less, adopt filter grid will be closeer.The direct impact filtration grid of tail gas, mesh is easy to block, and causes exhaust emissions to have some setbacks, thus increases the back pressure of engine, and engine output is gone into the red.This defect has become the bottleneck that prior art is difficult to go beyond.
Formerly invent (patent No.: ZL03146969.8) and disclose one " integrated momentum-exchange machine of control tail gas pollution of motor-driven vehicle ", particularly, this integrated momentum-exchange machine forms the integrated momentum-exchange machine (determination of progression by the integrated interchanger of some levels connected that be arranged in parallel, determined by the displacement size of vehicle engine exhaust), every grade of interchanger is equal by quantity, through injection receiving tube highly integrated in a machining plane, anemostat and negative hole are formed, the pressure inlet 19 of three articles of injection receiving tubes of parallel installation is provided with between the 1st grade to the 4th grade of integrated momentum-exchange machine, the surge pipe 20 of three articles of anemostats of parallel installation is provided with between the 7th grade with the 9th grade, one end of the chopped-off head interchanger of integrated momentum-exchange machine exhaust outlet 17 that is direct and motor car engine is connected, the other end connects with 2 grades of interchangers, 2 grades of interchangers connect with 3 grades of interchangers, after 3 grades of interchangers, 3 grades connect 4 grades in order, 4 grades connect 5 grades, 5 grades connect 6 grades, 6 grades connect noise reduction section 18, noise reduction section 18 connects 7 grades, and 7 grades connect 8 grades, and 8 grades connect 9 grades, and 9 grades connect after 10 grades, 10 grades connect 11 grades in order, and 11 grades connect 12 grades, and 12 grades connect 13 grades, 13 grades of interchangers connect noise reduction section 14, and noise reduction section 14 connects gas rectifying device 15, and gas rectifying device 15 connects end exhaust port 16.The program can allow motor-vehicle tail-gas by momentum-exchange machine, and after circulating combustion process, all burning is made a gift of to the greatest extent, does not only have venting event, produces the effect of air-breathing on the contrary, thus guarantee do not have pollutant to discharge.But the program have employed the interchanger of 13 grades, between interchanger, be also provided with pressure inlet and surge pipe, complex structure, total quality is heavier, and production cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of micro-dust treatment device, is intended to solve prior art and is difficult to carry out effectively trapping the technical problem processed to the micronic dust in tail gas.
The utility model is achieved in that a kind of micro-dust treatment device, and for discharging clean gas to tail gas filtering micronic dust, described micro-dust treatment device comprises the first momentum-exchange machine, the second momentum-exchange machine, filter and current divider, described first momentum-exchange machine comprises first jet, the first chamber and the first permutoid, described first permutoid offers the first through runner, described first permutoid and described first jet stretch in described first chamber in opposite directions and the described entrance of the first through runner and the jet of described first jet are oppositely arranged, and are formed with the first negative pressure chamber in described first chamber, described second momentum-exchange machine comprises second nozzle, the second chamber and the second permutoid, described second permutoid offers the second through runner, described second permutoid and described second nozzle stretch in described second chamber in opposite directions and the described entrance of the second through runner and the jet of described second nozzle are oppositely arranged, and are formed with the second negative pressure chamber in described second chamber, described filter comprises the first annular seal space, it is inner and for filtering tail gas and storing the first filtration members of micronic dust and be arranged on inner and the second filtration members be around in outside described first filtration members of described first annular seal space to be arranged on described first annular seal space, be formed with the first negative pressuren zone be connected with described first negative pressure chamber between described first filtration members with described second filtration members, described second filtration members is separated described first annular seal space and is formed with second negative pressuren zone that to be connected with described second negative pressure chamber, described current divider comprises the second annular seal space and is arranged on the decompression tube of described second annular seal space inside, described decompression tube has the sidewall passed for fluid, the entrance of described decompression tube is connected with the outlet of described first through runner, the outlet of described decompression tube is connected with the entrance of described first filtration members, and the entrance of described second nozzle is connected with described second annular seal space, tail gas enters described first momentum-exchange machine by the entrance of described first jet and enters described decompression tube again, tail gas in described decompression tube is divided into the secondary air flow of the main air passing described sidewall and the outlet flowing to this decompression tube, main air enters described second momentum-exchange machine by the entrance of described second nozzle, secondary air flow enters this first filtration members by the entrance of described first filtration members, after being filtered by described first filtration members and the secondary air flow entering described first negative pressuren zone be divided into and pass described second filtration members and enter the 3rd strand of air-flow of described second negative pressuren zone and flow to the 4th strand of air-flow of described first negative pressure chamber, 3rd strand of air-flow enter described second negative pressure chamber again with main air in described second through runner mixed flow being flowed out by the outlet of this second through runner, 4th strand of air-flow and tail gas mixed flow being flowed out by the outlet of this first through runner in described first through runner.
Further, the axis of described first momentum-exchange machine and the dead in line of described second momentum-exchange machine.
Further, described decompression tube is straight tube, the axis of described first momentum-exchange machine and the dead in line of described decompression tube.
Further, described current divider also comprises conduit, wherein one end of this conduit is stretched in described first annular seal space, other one end of this conduit is stretched in described second annular seal space, the entrance of this conduit is connected with the outlet of described decompression tube, and the outlet of this conduit is connected with the entrance of described first filtration members.
Further, all in a tubular form, described first annular seal space is column for described first filtration members and described second filtration members, and described first filtration members, described second filtration members have identical length direction with described first annular seal space.
Further, it is inner that described first filtration members is detachably arranged at described first annular seal space, is provided with for closing described first filtration members in the capping of described first annular seal space inside outside described first annular seal space.
Further, described first through runner comprises the first guidance cavity, the first reception cavity and the first diffusion chamber that are connected successively, and tail gas and the 4th strand of air-flow are successively through described first guidance cavity, described first reception cavity and described first diffusion chamber.
Further, described first permutoid offers along its length the circulatory flow for being back to described first guidance cavity after tail gas and the 4th burst of air-flow mixed flow by described first diffusion chamber, wherein one end of this circulatory flow is connected with described first diffusion chamber, and other one end of this circulatory flow is connected with described first guidance cavity.
Further, the 3rd momentum-exchange machine is provided with between described first momentum-exchange machine and described decompression tube, described 3rd momentum-exchange machine comprises nozzle assembly, 3rd chamber and the 3rd permutoid, described nozzle assembly has some 3rd nozzles, described 3rd permutoid offers some 3rd through runners, the quantity of described 3rd through runner is equal with the quantity of described 3rd nozzle, and described 3rd through runner and described 3rd nozzle one_to_one corresponding, described 3rd permutoid and described nozzle assembly stretch in described 3rd chamber in opposite directions, the entrance of the 3rd through runner described in each is oppositely arranged with the jet of described 3rd nozzle corresponding to the 3rd through runner, the 3rd negative pressure chamber is formed in described 3rd chamber, the entrance of described nozzle assembly is connected with the outlet of described first through runner, and the outlet of all described 3rd through runners is connected with the entrance of described decompression tube.
Further, described decompression tube is straight tube, the described axis of the 3rd momentum-exchange machine and the dead in line of described decompression tube.
The utility model relative to the technique effect of prior art is: micro-dust treatment device comprises the first momentum-exchange machine, the second momentum-exchange machine, filter and current divider.Tail gas enters the first momentum-exchange machine and produces the first negative pressuren zone, and after decompression tube, step-down is slowed down, and enters the first filtration members.In the process, the main air in tail gas passes the sidewall of decompression tube and enters the second momentum-exchange machine, produces the second negative pressuren zone, and main air enters air from the second momentum-exchange machine.Due to the existence of the first negative pressuren zone, the secondary air flow entered in the first filtration members is sucked out to the first negative pressuren zone, and secondary air flow is divided into the 3rd strand of air-flow and the 4th strand of air-flow.Due to the existence of the second negative pressuren zone, the 3rd strand of air-flow is sucked out to the second negative pressuren zone, then enters the second negative pressure chamber of the second momentum-exchange machine and enter air, and the first negative pressure chamber that the 4th strand of air-flow enters the first momentum-exchange machine processes again.It is inner that micronic dust is retained in the first filtration members.Several times are carried out in this cyclic process, and it is inner that each circulation all can be retained in the first filtration members micronic dust, and the gas entering air from the second momentum-exchange machine not containing or substantially not containing dust particale thing.Micro-dust treatment device, operationally without the need to consumed energy, just can normally work as long as there is tail gas to spray into.Micro-dust treatment device is pure frame for movement, not containing any chemical substance as catalyst one class, has the feature of low cost, low maintenance, high efficiency, long service life.Micro-dust treatment device can not only be applicable to engine, also can be applicable to boiler and other device having dust particale thing to discharge.During the tail gas of micro-dust treatment device for the treatment of engine, the strength that negative pressure produces makes micronic dust separate from tail gas and traps process, and reduce blocked possibility, the power output of engine can not be lost substantially.
Accompanying drawing explanation
Fig. 1 is the installation diagram of the micro-dust treatment device that the utility model embodiment provides.
Fig. 2 is the schematic diagram of the first momentum-exchange machine applied in the micro-dust treatment device of Fig. 1.
Fig. 3 is the schematic diagram of the second momentum-exchange machine applied in the micro-dust treatment device of Fig. 1.
Fig. 4 is the schematic diagram of the 3rd momentum-exchange machine applied in the micro-dust treatment device of Fig. 1.
Fig. 5 is the side view of the 3rd momentum-exchange machine of Fig. 4, wherein converges part and does not install.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 to Fig. 5, a kind of micro-dust treatment device that the utility model embodiment provides, for discharging clean gas to tail gas filtering micronic dust, described micro-dust treatment device comprises the first momentum-exchange machine 10, second momentum-exchange machine 20, filter 40 and current divider 50; Described first momentum-exchange machine 10 comprises first jet 11, first chamber 12 and the first permutoid 13, described first permutoid 13 offers the first through runner 14, described first permutoid 13 and described first jet 11 stretch in described first chamber 12 in opposite directions and the entrance 141 of described first through runner 14 is oppositely arranged with the jet 115 of described first jet 11, are formed with the first negative pressure chamber 15 in described first chamber 12; Described second momentum-exchange machine 20 comprises second nozzle 21, second chamber 22 and the second permutoid 23, described second permutoid 23 offers the second through runner 24, described second permutoid 23 and described second nozzle 21 stretch in described second chamber 22 in opposite directions and the entrance 241 of described second through runner 24 is oppositely arranged with the jet 215 of described second nozzle 21, are formed with the second negative pressure chamber 25 in described second chamber 22; Described filter 40 comprises the first annular seal space 41, it is inner and for filtering tail gas and storing the first filtration members 42 of micronic dust and be arranged on inner and the second filtration members 43 be around in outside described first filtration members 42 of described first annular seal space 41 to be arranged on described first annular seal space 41, be formed with the first negative pressuren zone 91 be connected with described first negative pressure chamber 15 between described first filtration members 42 with described second filtration members 43, described second filtration members 43 is separated described first annular seal space 41 and is formed with second negative pressuren zone 92 that to be connected with described second negative pressure chamber 25; Described current divider 50 comprises the second annular seal space 51 and is arranged on the decompression tube 52 of described second annular seal space 51 inside, described decompression tube 52 has the sidewall passed for fluid, the entrance 521 of described decompression tube 52 is connected with the outlet 145 of described first through runner 14, the outlet 522 of described decompression tube 52 is connected with the entrance 421 of described first filtration members 42, and the entrance 211 of described second nozzle 21 is connected with described second annular seal space 51; tail gas enters described first momentum-exchange machine 10 by the entrance 111 of described first jet 11 and enters described decompression tube 52 again, tail gas in described decompression tube 52 is divided into the secondary air flow b of the main air a passing described sidewall and the outlet 522 flowing to this decompression tube 52, main air a enters described second momentum-exchange machine 20 by the entrance 211 of described second nozzle 21, secondary air flow b enters this first filtration members 42 by the entrance 421 of described first filtration members 42, after being filtered by described first filtration members 42 and the secondary air flow b entering described first negative pressuren zone 91 be divided into and pass described second filtration members 43 and enter the 3rd gang of air-flow c of described second negative pressuren zone 92 and flow to the 4th gang of air-flow d of described first negative pressure chamber 15,3rd gang of air-flow c enter described second negative pressure chamber 25 again with main air a in described second through runner 24 mixed flow being flowed out by the outlet 245 of this second through runner 24,4th gang of air-flow d and tail gas mixed flow being flowed out by the outlet 145 of this first through runner 14 in described first through runner 14.
In the present embodiment, micro-dust treatment device is the closed system only having an air inlet and a gas outlet, micro-dust treatment device and engine (not shown) with the use of, its air inlet is connected with the exhaust outlet of engine, from the waste gas of engine discharge, trap micronic dust, and give off clean gas from gas outlet.The entrance 111 of the first jet 11 in air inlet i.e. the first momentum-exchange machine 10, the outlet 245 of the second through runner 24 in gas outlet i.e. the second momentum-exchange machine 20.Understandably, micro-dust treatment device and chimney, boiler or other device having micronic dust to discharge with the use of, from waste gas, trap micronic dust.
First momentum-exchange machine 10 and the second momentum-exchange machine 20 have similar structure.Be described for the first momentum-exchange machine 10.First momentum-exchange machine 10 comprises first jet 11, first chamber 12 and the first permutoid 13, first permutoid 13 offers the first through runner 14, first jet 11 and the first through runner 14 are oppositely arranged, first jet 11 forms the first momentum-exchange machine 10 through runner 14 of entrance 111, first away from the side of the first through runner 14 forms the outlet 145 of the first momentum-exchange machine 10 away from the side of first jet 11.First jet 11 comprises the boot segment 112, necking section 113 and the diffuser 114 that are connected successively.First through runner 14 comprises the first guidance cavity 142, first reception cavity 143 and the first diffusion chamber 144 be connected successively.One end near diffuser 114 on one end of the first guidance cavity 142 and first jet 11 on first permutoid 13 stretches into the first chamber 12 in opposite directions, and this diffuser 114 stretches into the inside of the first guidance cavity 142, the external diameter of diffuser 114 is less than the internal diameter of the first reception cavity 143, the first chamber 12 has the opening 121 entering the first negative pressure chamber 15 for driving fluid.For the first momentum-exchange machine 10, working fluid is tail gas, and driving fluid is the 4th gang of air-flow d.When the entrance 111 of working fluid by first jet 11 enters, after entering the first through runner 14 by jet 115 high velocity jet of first jet 11, High Rotation Speed in the first through runner 14, thus the vacuum of regional area is produced at the first chamber 12, form the first negative pressure chamber 15, to attract driving fluid.Experiment shows, if can be low to moderate 10mmHg even lower for the physical dimension pressure designed in appropriate region of no pressure.The strength that this high negative pressure produces, can allow the micronic dust in tail gas and gas be separated.Further, tail gas and the 4th burst of air-flow d mixed flow, then can slow down, for the trapping of micronic dust is prepared from outlet 145 effluent air of the first through runner 14 in step-down.The course of work of the second momentum-exchange machine 20 is similar, forms the second negative pressure chamber 25, and working fluid is main air a, and driving fluid is the 3rd gang of air-flow c.
First filtration members 42 can select dust filter cartridge, screen pack or other filtrations, can select the filtration of different size according to the size of the diameter of dust particale thing.First filtration members 42 has an entrance 421, and tail gas is entered by this entrance 421, and clean gas can discharge the first filtration members 42, and it is inner that micronic dust stays the first filtration members 42, realizes filtering the micronic dust in tail gas.Second filtration members 43 can select the filtration being similar to the first filtration members 42, such as dust filter cartridge, screen pack or other filtrations, can also select the meshed structure of tool, as long as fluid can be allowed to pass along the second filtration members 43.In the present embodiment, the first annular seal space 41 is formed by an enclosure interior, and in a tubular form, it is inner that the second filtration members 43 is arranged on the first annular seal space 41 to the first annular seal space 41, and the first filtration members 42 is arranged on the second filtration members 43 inside.Understandably, first filtration members 42, second filtration members 43 and the first annular seal space 41 can be set to stepped construction, the inside of the first filtration members 42 forms micronic dust memory block, formed between first filtration members 42 and the second filtration members 43 between first negative pressuren zone 91, second filtration members 43 and the first annular seal space 41 and form the second negative pressuren zone 92.
In the present embodiment, the first annular seal space 41 is connected with the first pipeline 411 and second pipe 412.Wherein one end of first pipeline 411 is connected with the first negative pressuren zone 91, and one end is connected with the first negative pressure chamber 15 in addition.Wherein one end of second pipe 412 is connected with the second negative pressuren zone 92, and one end is connected with the second negative pressure chamber 25 in addition.The first chamber 12 in first momentum-exchange machine 10 is connected with the first siphunculus 122, first siphunculus 122 to be connected with the first negative pressure chamber 15.The second chamber 22 in second momentum-exchange machine 20 is connected with the second siphunculus 221, second siphunculus 221 to be connected with the second negative pressure chamber 25.By Flange joint between first pipeline 411 and the first siphunculus 122, by Flange joint between second pipe 412 and the second siphunculus 221.
Decompression tube 52 can select the filtration being similar to the first filtration members 42, such as dust filter cartridge, screen pack or other filtrations, the meshed structure of tool can also be selected, allow fluid pass along the sidewall of decompression tube 52, allow fluid step-down deceleration and micronic dust be in suspension or low-pressure state.It is inner that decompression tube 52 is arranged on the second annular seal space 51, this second annular seal space 51 is connected with the entrance 211 of the second nozzle 21 of the second momentum-exchange machine 20, main air a in tail gas shunts and enters the second annular seal space 51 from decompression tube 52, enter the second momentum-exchange machine 20 again, thus form the second negative pressuren zone 92.Decompression tube 52 needs to make to obtain long enough, allows the pressure of main air a reduce.(namely main air pressure a) is lower than the pressure of the working fluid (i.e. the tail gas of engine discharge) of the first momentum-exchange machine 10 for the working fluid of the second momentum-exchange machine 20, correspondingly, the pressure of the second negative pressuren zone 92 can be lower than the pressure of the first negative pressuren zone 91, and this pressure reduction can allow the fluid in the first negative pressuren zone 91 be sucked out to the second negative pressuren zone 92.
In the first filtration members 42, the micronic dust of low-pressure state is easily trapped by the first filtration members 42, and the suction of the first negative pressuren zone 91 passes the first filtration members 42 by the clean gas in tail gas.During the tail gas of micro-dust treatment device for the treatment of engine, reduce blocked possibility, the power output of engine can not be lost substantially.
Micro-dust treatment device comprises the first momentum-exchange machine 10, second momentum-exchange machine 20, filter 40 and current divider 50.Tail gas enters the first momentum-exchange machine 10 and produces the first negative pressuren zone 91, and after decompression tube 52, step-down is slowed down, and enters the first filtration members 42.In the process, the main air a in tail gas passes the sidewall of decompression tube 52 and enters the second momentum-exchange machine 20, produces the second negative pressuren zone 92, and main air a enters air from the second momentum-exchange machine 20.Due to the existence of the first negative pressuren zone 91, the secondary air flow b entered in the first filtration members 42 is sucked out to the first negative pressuren zone 91, and secondary air flow b is divided into the 3rd gang of air-flow c and the 4th gang air-flow d.Due to the existence of the second negative pressuren zone 92,3rd gang of air-flow c is sucked out to the second negative pressuren zone 92, enter the second negative pressure chamber 25 of the second momentum-exchange machine 20 again and enter air, the first negative pressure chamber 15 that the 4th gang of air-flow d enters the first momentum-exchange machine 10 processes again.It is inner that micronic dust is retained in the first filtration members 42.Several times are carried out in this cyclic process, and it is inner that each circulation all can be retained in the first filtration members 42 micronic dust, and the gas entering air from the second momentum-exchange machine 20 not containing or substantially not containing dust particale thing.Micro-dust treatment device, operationally without the need to consumed energy, just can normally work as long as there is tail gas to spray into.Micro-dust treatment device is pure frame for movement, not containing any chemical substance as catalyst one class, has the feature of low cost, low maintenance, high efficiency, long service life.Micro-dust treatment device can not only be applicable to engine, also can be applicable to boiler and other device having dust particale thing to discharge.During the tail gas of micro-dust treatment device for the treatment of engine, the strength that negative pressure produces makes micronic dust separate from tail gas and traps process, and reduce blocked possibility, the power output of engine can not be lost substantially.
Further, the axis of described first momentum-exchange machine 10 and the dead in line of described second momentum-exchange machine 20.The entrance 111 (i.e. air inlet) of the first jet 11 in the first momentum-exchange machine 10 is coaxial with the outlet 245 (i.e. gas outlet) of the through runner 24 of second in the second momentum-exchange machine 20, wherein side receives tail gas, clean gas is discharged in side in addition, and the micronic dust in tail gas is captured in the first filtration members 42.This compact conformation, takes up room little, keeps airintake direction identical with outgassing direction.
Further, described decompression tube 52 is straight tube, the described axis of the first momentum-exchange machine 10 and the dead in line of described decompression tube 52.Low-pressure state is in by the first momentum-exchange machine 10 tail gas out, tail gas flows through along decompression tube 52, main air a wherein in tail gas is shunted across the sidewall of decompression tube 52 and enters the second momentum-exchange machine 20, micronic dust in tail gas can not pass decompression tube 52, and enter in the first filtration members 42 along secondary air flow b, thus ensure that micronic dust is effectively trapped.
Further, described current divider 50 also comprises conduit 53, wherein one end of this conduit 53 is stretched in described first annular seal space 41, other one end of this conduit 53 is stretched in described second annular seal space 51, the entrance of this conduit 53 is connected with the outlet 522 of described decompression tube 52, and the outlet of this conduit 53 is connected with the entrance 421 of described first filtration members 42.Conduit 53 is for sending the secondary air flow exported by decompression tube 52 b into the first filtration members 42, and tail gas is now after the step-down of decompression tube 52, and micronic dust is in low-pressure state.Conduit 53 comprises the first bend pipe 531 be connected with the second annular seal space 51 and to be connected with the second bend pipe 532 the second bend pipe 532, first bend pipe 531 be connected with the first annular seal space 41 and by Flange joint.The one end of the first bend pipe 531 stretching into the second annular seal space 51 is connected with the outlet 522 of decompression tube 52, and the one end stretching into the second bend pipe 532 of the first annular seal space 41 is connected with the entrance 421 of the first filtration members 42, and this structure is convenient to assembling.
Further, all in a tubular form, described first annular seal space 41 is in column, and described first filtration members 42, described second filtration members 43 have identical length direction with described first annular seal space 41 for described first filtration members 42 and described second filtration members 43.It is inner that second filtration members 43 is arranged on the first annular seal space 41, and it is inner that the first filtration members 42 is arranged on the second filtration members 43, and this structure can allow the micronic dust being in low-pressure state effectively be trapped by the first filtration members 42.
Further, it is inner that described first filtration members 42 is detachably arranged at described first annular seal space 41, is provided with for closing described first filtration members 42 in the capping 422 of described first annular seal space 41 inside outside described first annular seal space 41.When micronic dust run up in the first filtration members 42 a certain amount of after, the micronic dust in the first filtration members 42 also empties by removable cover 422, then continue use, realize the Long-Time Service of micro-dust treatment device.
Further, described first through runner 14 comprises the first guidance cavity 142, first reception cavity 143 and the first diffusion chamber 144 be connected successively, and tail gas and the 4th gang of air-flow d are successively through described first guidance cavity 142, described first reception cavity 143 and described first diffusion chamber 144.On the direction of gas circuit, the first guidance cavity 142 is in back taper, and the first reception cavity 143 is in cylindricality, and the first diffusion chamber 144 is tapered.First guidance cavity 142 enters the first reception cavity 143 for guiding tail gas and the 4th gang of air-flow d.In the first reception cavity 143, tail gas and the 4th burst of air-flow d mixed flow, the step-down realizing tail gas is slowed down.In the first diffusion chamber 144, the speed of tail gas reduces further.Tail gas can effectively step-down be slowed down for this structure.
Further, described first permutoid 13 offers along its length the circulatory flow 16 for being back to described first guidance cavity 142 after tail gas and the 4th burst of air-flow d mixed flow by described first diffusion chamber 144, wherein one end of this circulatory flow 16 is connected with described first diffusion chamber 144, and other one end of this circulatory flow 16 is connected with described first guidance cavity 142.After tail gas and the 4th burst of air-flow d mixed flow, return the first guidance cavity 142 through circulatory flow 16 by the first diffusion chamber 144.On the one hand, tail gas is returned to the first guidance cavity 142, repeatedly processes, again carry out step-down deceleration, make the pressure that flows into decompression tube 52 tail gas enough low with speed, the first permutoid 13 can make shorter in the longitudinal direction simultaneously, reduction overall structure size.On the other hand, tail gas is returned to the first guidance cavity 142, as the make-up gas of the first negative pressure chamber 15, makes the pressure of the second negative pressuren zone 92 lower than the pressure of the first negative pressuren zone 91, this pressure reduction can allow the fluid in the first negative pressuren zone 91 be sucked out to the second negative pressuren zone 92.The quantity of circulatory flow 16 is at least two, and all circulatory flow 16 axial symmetry are distributed on the first permutoid 13.This structure is convenient to processing.Understandably, the first through runner 14 can also other modes be distributed on the first permutoid 13 with circulatory flow 16, as long as both axis are parallel to each other, and both are non-intersect on the first permutoid 13.The entrance 161 of circulatory flow 16 is concordant with the outlet 145 of the first through runner 14, and the outlet 162 of circulatory flow 16 is concordant with the entrance 141 of the first through runner 14.The jet 115 of first jet 11 is on the position between the outlet 162 and the first reception cavity 143 of circulatory flow 16.This structure is conducive to forming stable backflow gas e, and under the tail gas effect that the jet 115 of first jet 11 sprays, backflow gas e effectively enters the first through runner 14, and makes the second negative pressuren zone 92 pressure lower than the first negative pressuren zone 91 pressure.
Further, described second through runner 24 comprises the second guidance cavity 242, second reception cavity 243 and the second diffusion chamber 244 be connected successively, and main air a and the 3rd gang air-flow c is successively through described second guidance cavity 242, described second reception cavity 243 and described second diffusion chamber 244.In the structure of the second through runner 24 and the first momentum-exchange machine 10, the similar of the first through runner 14, repeats no more.
Further, the 3rd momentum-exchange machine 30 is provided with between described first momentum-exchange machine 10 and described decompression tube 52, described 3rd momentum-exchange machine 30 comprises nozzle assembly 31, 3rd chamber 32 and the 3rd permutoid 33, described nozzle assembly 31 has some 3rd nozzles 312, described 3rd permutoid 33 offers some 3rd through runners 34, the quantity of described 3rd through runner 34 is equal with the quantity of described 3rd nozzle 312, and described 3rd through runner 34 and described 3rd nozzle 312 one_to_one corresponding, described 3rd permutoid 33 stretches in described 3rd chamber 32 with described nozzle assembly 31 in opposite directions, the entrance 341 of the 3rd through runner 34 described in each is oppositely arranged with the jet 313 of described 3rd nozzle 312 corresponding to the 3rd through runner 34, the 3rd negative pressure chamber 35 is formed in described 3rd chamber 32, the entrance 311 of described nozzle assembly 31 is connected with the outlet 345 of described 3rd through runner 34, and the outlet 345 of all described 3rd through runners 34 is connected with the entrance 521 of described decompression tube 52.
3rd momentum-exchange machine 30, for carrying out step-down deceleration to the tail gas exported by the first momentum-exchange machine 10 and being delivered to decompression tube 52, allows the first momentum-exchange machine 10 can make shorter with decompression tube 52, allows overall structure take less space.Similar on the structure of the 3rd nozzle 312 and the first momentum-exchange machine 10, repeats no more.In the present embodiment, the quantity of the 3rd nozzle 312 and the quantity of the 3rd through runner 34 are four.The capacity of the quantity basis engine of the quantity of the 3rd nozzle 312 and the 3rd through runner 34 and determining.Capacity is larger, and configurable more 3rd nozzle 312 and the 3rd through runner 34, carry out step-down deceleration to tail gas.3rd momentum-exchange machine 30 also comprise be fixed on the 3rd permutoid 33 and for the tail gas exported by all 3rd through runners 34 is converged and input to decompression tube 52 converge part 37.
Further, described decompression tube 52 is straight tube, the described axis of the 3rd momentum-exchange machine 30 and the dead in line of described decompression tube 52.Low-pressure state is in by the 3rd momentum-exchange machine 30 tail gas out, tail gas flows through along decompression tube 52, main air a wherein in tail gas is shunted across the sidewall of decompression tube 52 and enters the second momentum-exchange machine 20, micronic dust in tail gas can not pass decompression tube 52, and enter in the first filtration members 42 along secondary air flow b, thus ensure that micronic dust is effectively trapped.
Further, described 3rd through runner 34 comprises the 3rd guidance cavity 342, the 3rd reception cavity 343 and the 3rd diffusion chamber 344 that are connected successively, and tail gas is successively through described 3rd guidance cavity 342, described 3rd reception cavity 343 and described 3rd diffusion chamber 344.On the direction of gas circuit, the 3rd guidance cavity 342 is in back taper, and the 3rd reception cavity 343 is in cylindricality, and the 3rd diffusion chamber 344 is tapered.3rd guidance cavity 342 enters the 3rd reception cavity 343 for guiding tail gas.In the 3rd reception cavity 343, the step-down realizing tail gas is slowed down.In the 3rd diffusion chamber 344, the speed of tail gas reduces further.Tail gas can effectively step-down be slowed down for this structure.
Further, described 3rd permutoid 33 offers along its length the circulatory flow 36 being back to described 3rd guidance cavity 342 for tail gas by described 3rd diffusion chamber 344, wherein one end of this circulatory flow 36 is connected with described 3rd diffusion chamber 344, and other one end of this circulatory flow 36 is connected with described 3rd guidance cavity 342.Tail gas returns the 3rd guidance cavity 342 through circulatory flow 36 by the 3rd diffusion chamber 344.Tail gas is returned to the 3rd guidance cavity 342, repeatedly processes, again carry out step-down deceleration, make the pressure that flows into decompression tube 52 tail gas enough low with speed, the 3rd permutoid 33 can make shorter in the longitudinal direction simultaneously, reduction overall structure size.The quantity of circulatory flow 36 is at least two, and all circulatory flow 36 axial symmetry are distributed on the 3rd permutoid 33.This structure is convenient to processing.Understandably, the 3rd through runner 34 can also other modes be distributed on the 3rd permutoid 33 with circulatory flow 36, as long as both axis are parallel to each other, and both are non-intersect on the 3rd permutoid 33.The entrance 361 of circulatory flow 36 is concordant with the outlet 345 of the 3rd through runner 34, and the outlet 362 of circulatory flow 36 is concordant with the entrance 341 of the 3rd through runner 34.The jet 313 of the 3rd nozzle 312 is on the position between the outlet 362 and the 3rd reception cavity 343 of circulatory flow 36.This structure is conducive to forming stable backflow gas f, and under the tail gas effect that the jet 313 of the 3rd nozzle 312 sprays, backflow gas f effectively enters the 3rd through runner 34.
Further, 3rd permutoid 33 offers the decompression hole 363 that each circulatory flow 36 is all connected with the 3rd negative pressure chamber 35, backflow gas f leads in the process of outlet 362 by the entrance 361 of circulatory flow 36, when through decompression hole 363, partial reflux gas f enters the 3rd negative pressure chamber 35, the step-down that effectively can realize tail gas is slowed down, and allows the micronic dust in tail gas be not easy blocking, is conducive to the first filtration members 42 and coordinates the first negative pressuren zone 91 pairs of micronic dusts to realize trapping.
First momentum-exchange machine 10, second momentum-exchange machine 20, the 3rd momentum-exchange machine 30, first annular seal space 41 can with resistant to elevated temperatures stainless steel, corrosion resistant aluminum alloy, common iron, pottery, plastics or carbon fiber processing and fabricatings.First chamber 12, the 3rd chamber 32, second annular seal space 51, second chamber 22 can adopt integrated pipeline and in pipeline, arrange the structure of some dividing plates, particularly, the first momentum-exchange machine 10, the 3rd momentum-exchange machine 30, decompression tube 52, second momentum-exchange machine 20 are separately positioned in the first chamber 12, the 3rd chamber 32, second annular seal space 51, second chamber 22.This compact conformation, easily installs, and takes up room little.
The utility model also can carry out regeneration process application in conjunction with regeneration techniques, and the regeneration of the micronic dust in the first filtration members 42 or catharsis must complete on controlled basis, are not blocked to keep the first filtration members 42 by micronic dust.After purification cycle terminates, any remaining dust needs artificial removing.
Micro-dust treatment device of the present utility model has made shaping and by the detection of testing agency and enterprise.
On June 5th, 2012 was to June 6, by mechanical industry auto parts and components product quality supervision inspection center (Guangzhou), formal detection is carried out to micro-dust treatment device, detection method is " GB3847-2005 C.I. Engines of Automobile and compression ignition engine automobile are vented Visible pollutant emission limit and measuring method ", and testing conditions is: sample (i.e. micro-dust treatment device) and engine are placed in a secret room.Sample is connected with engine exhaust port, detects exhaust contaminant at sample vent gas mouth.Checkout equipment is freely accelerate double idle discharge detection system.Test item is free acceleration test (smoke opacity method).Testing result shows the former machine absorption coefficient of light (km
-1) be 1.42, and after using sample, the absorption coefficient of light is only 0.02.
On April 21st, 2014 was to April 22, in Jiangxi Isuzu Motors Engine Ltd., with 493 heavy states IV engine (type: E3039186) for auxiliary equipment, after connect micro-dust treatment device (at that time claim revolved poly-post processing) and carry out discharge and to know the real situation test, verification process effect.Test report summary is as follows:
Report name: JX493ZLQ4 band revolves poly-post processing ESC emission testing
Engine displacement: 2.771L;
Discharge standard: state IV;
Peak power: 80KW/3400rmp
Peak torque: 260Nm/2000rmp
Test basis: GB/T 17691-2005 is " automobile-used compression-ignited; Gaseous fuel spark-ignition engine and automotive emissions emission limit and measuring method "
Conclusion (of pressure testing): can show that CO in test (carbon monoxide) discharge exceeds standard by result of the test, but HC (hydrocarbon), Nox (nitrogen oxide) discharge and particle are all in EU4 critical field, and filter paper is still cleaner after experiment.Revolve the treatment effect of poly-post processing to PM better.
Special needs to be pointed out is, test data shows, its PM (g/kWh) value is 0.00308, well below EU5 standard 0.02.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a micro-dust treatment device, for discharging clean gas to tail gas filtering micronic dust, to is characterized in that: described micro-dust treatment device comprises the first momentum-exchange machine, the second momentum-exchange machine, filter and current divider, described first momentum-exchange machine comprises first jet, the first chamber and the first permutoid, described first permutoid offers the first through runner, described first permutoid and described first jet stretch in described first chamber in opposite directions and the described entrance of the first through runner and the jet of described first jet are oppositely arranged, and are formed with the first negative pressure chamber in described first chamber, described second momentum-exchange machine comprises second nozzle, the second chamber and the second permutoid, described second permutoid offers the second through runner, described second permutoid and described second nozzle stretch in described second chamber in opposite directions and the described entrance of the second through runner and the jet of described second nozzle are oppositely arranged, and are formed with the second negative pressure chamber in described second chamber, described filter comprises the first annular seal space, it is inner and for filtering tail gas and storing the first filtration members of micronic dust and be arranged on inner and the second filtration members be around in outside described first filtration members of described first annular seal space to be arranged on described first annular seal space, be formed with the first negative pressuren zone be connected with described first negative pressure chamber between described first filtration members with described second filtration members, described second filtration members is separated described first annular seal space and is formed with second negative pressuren zone that to be connected with described second negative pressure chamber, described current divider comprises the second annular seal space and is arranged on the decompression tube of described second annular seal space inside, described decompression tube has the sidewall passed for fluid, the entrance of described decompression tube is connected with the outlet of described first through runner, the outlet of described decompression tube is connected with the entrance of described first filtration members, and the entrance of described second nozzle is connected with described second annular seal space, tail gas enters described first momentum-exchange machine by the entrance of described first jet and enters described decompression tube again, tail gas in described decompression tube is divided into the secondary air flow of the main air passing described sidewall and the outlet flowing to this decompression tube, main air enters described second momentum-exchange machine by the entrance of described second nozzle, secondary air flow enters this first filtration members by the entrance of described first filtration members, after being filtered by described first filtration members and the secondary air flow entering described first negative pressuren zone be divided into and pass described second filtration members and enter the 3rd strand of air-flow of described second negative pressuren zone and flow to the 4th strand of air-flow of described first negative pressure chamber, 3rd strand of air-flow enter described second negative pressure chamber again with main air in described second through runner mixed flow being flowed out by the outlet of this second through runner, 4th strand of air-flow and tail gas mixed flow being flowed out by the outlet of this first through runner in described first through runner.
2. micro-dust treatment device as claimed in claim 1, is characterized in that: the axis of described first momentum-exchange machine and the dead in line of described second momentum-exchange machine.
3. micro-dust treatment device as claimed in claim 1, is characterized in that: described decompression tube is straight tube, the axis of described first momentum-exchange machine and the dead in line of described decompression tube.
4. micro-dust treatment device as claimed in claim 1, it is characterized in that: described current divider also comprises conduit, wherein one end of this conduit is stretched in described first annular seal space, other one end of this conduit is stretched in described second annular seal space, the entrance of this conduit is connected with the outlet of described decompression tube, and the outlet of this conduit is connected with the entrance of described first filtration members.
5. micro-dust treatment device as claimed in claim 1, it is characterized in that: described first filtration members and described second filtration members are all in a tubular form, described first annular seal space is column, and described first filtration members, described second filtration members have identical length direction with described first annular seal space.
6. micro-dust treatment device as claimed in claim 1, it is characterized in that: it is inner that described first filtration members is detachably arranged at described first annular seal space, being provided with outside described first annular seal space for closing described first filtration members in the capping of described first annular seal space inside.
7. the micro-dust treatment device as described in any one of claim 1 to 6, it is characterized in that: described first through runner comprises the first guidance cavity, the first reception cavity and the first diffusion chamber that are connected successively, tail gas and the 4th strand of air-flow are successively through described first guidance cavity, described first reception cavity and described first diffusion chamber.
8. micro-dust treatment device as claimed in claim 7, it is characterized in that: described first permutoid offers along its length the circulatory flow for being back to described first guidance cavity after tail gas and the 4th burst of air-flow mixed flow by described first diffusion chamber, wherein one end of this circulatory flow is connected with described first diffusion chamber, and other one end of this circulatory flow is connected with described first guidance cavity.
9. the micro-dust treatment device as described in any one of claim 1 to 6, it is characterized in that: between described first momentum-exchange machine and described decompression tube, be provided with the 3rd momentum-exchange machine, described 3rd momentum-exchange machine comprises nozzle assembly, 3rd chamber and the 3rd permutoid, described nozzle assembly has some 3rd nozzles, described 3rd permutoid offers some 3rd through runners, the quantity of described 3rd through runner is equal with the quantity of described 3rd nozzle, and described 3rd through runner and described 3rd nozzle one_to_one corresponding, described 3rd permutoid and described nozzle assembly stretch in described 3rd chamber in opposite directions, the entrance of the 3rd through runner described in each is oppositely arranged with the jet of described 3rd nozzle corresponding to the 3rd through runner, the 3rd negative pressure chamber is formed in described 3rd chamber, the entrance of described nozzle assembly is connected with the outlet of described first through runner, and the outlet of all described 3rd through runners is connected with the entrance of described decompression tube.
10. micro-dust treatment device as claimed in claim 9, is characterized in that: described decompression tube is straight tube, the described axis of the 3rd momentum-exchange machine and the dead in line of described decompression tube.
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|---|---|---|---|
| CN201420476315.9U CN204107197U (en) | 2014-08-21 | 2014-08-21 | Micro-dust treatment device |
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| CN201420476315.9U CN204107197U (en) | 2014-08-21 | 2014-08-21 | Micro-dust treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363283A (en) * | 2014-08-21 | 2016-03-02 | 深圳市旋聚技术有限公司 | Dust particle processing apparatus |
| CN106481486A (en) * | 2016-12-20 | 2017-03-08 | 李沐霖 | Anion air intake-exhaust clarifier |
-
2014
- 2014-08-21 CN CN201420476315.9U patent/CN204107197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363283A (en) * | 2014-08-21 | 2016-03-02 | 深圳市旋聚技术有限公司 | Dust particle processing apparatus |
| CN106481486A (en) * | 2016-12-20 | 2017-03-08 | 李沐霖 | Anion air intake-exhaust clarifier |
| CN106481486B (en) * | 2016-12-20 | 2019-07-02 | 天津酝环科技发展有限公司 | Anion air intake-exhaust clarifier |
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