CN103924538B - Exhaust gas dust collector of self-energized sweeping machine based on self-circulation of waste water - Google Patents
Exhaust gas dust collector of self-energized sweeping machine based on self-circulation of waste water Download PDFInfo
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- CN103924538B CN103924538B CN201410176768.4A CN201410176768A CN103924538B CN 103924538 B CN103924538 B CN 103924538B CN 201410176768 A CN201410176768 A CN 201410176768A CN 103924538 B CN103924538 B CN 103924538B
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Abstract
The invention relates to an exhaust gas dust collector of a self-energized sweeping machine based on self-circulation of waste water. The exhaust gas dust collector comprises a gas inlet pipe. The gas inlet pipe is communicated with a sewage processor, a connecting pipe and a cyclone water-mist dust collector sequentially. The upper end of the cyclone water-mist dust collector is provided with a gas outlet pipe with a vortex board power generation device. The outlet of the gas outlet pipe is provided with a draught fan. The lower end of the cyclone water-mist dust collector is provided with a sewage pool. The upper end of the cyclone water-mist dust collector is provided with spray nozzles which are communicated with a feed water tank through spray nozzle water pipes. The feed water tank is communicated with an annular water trough. The lower end of a condensing inclined wall is provided with an evaporation pond. An engine exhaust pipe of the draught fan transversely penetrates through the evaporation pond and the sewage pool. The exhaust gas dust collector can be used for processing large dust particles and also cleaning PM2.5 small particles; the vortex board power generation device is used for generating electricity for energy supply, so that the purposes of energy conservation and emission reduction are achieved.
Description
Technical field
The present invention relates to dust removal field, be specifically related to a kind of sweeping machine waste gas dust-removal device based on waste water self-loopa.
Background technology
In recent years, urban development was rapid, and each urban architecture quantity constantly increases, and consequent building dust increases rapidly, and the driving automobile of expanding economy simultaneously quantity increases, and the dust produced by exhaust emissions, dust on the roads is also increasing rapidly.The main source of current urban air pollution is dust pollution, and healthy to townsfolk of dust pollution serious threat, administer grit and pollute extremely urgent.
Urban road sweeping machine is as the effective tool administering dust pollution in city, and its udst separation ability is more and more subject to people's attention.Existing urban road sweeping machine generally adopts vacuum type dust suction method, also effectively can remove the bulky grain dust in municipal refuse while cleaning rubbish.Not only solve Problem of Urban Waste like this, and have obvious governance role to dust pollution, the improvement for urban environment serves certain effect.The dust arrester of existing urban road sweeping machine can clear up bulky grain dust, but producing to human body the minute dusts particle endangered to PM2.5 etc. can not play dustproof function.Therefore, we are in the urgent need to a kind of new dust arrester, to carry out dedusting to minute dusts particle.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sweeping machine waste gas dust-removal device based on waste water self-loopa, this dust arrester can on the basis of process big dust particle, good cleaning effect is played to molecules such as PM2.5, engine for road sweeper waste gas residual heat is used simultaneously, reaches the object of energy-saving and emission-reduction.
The technical solution adopted in the present invention is: a kind of sweeping machine waste gas dust-removal device based on waste water self-loopa, it comprises air inlet pipe, described air inlet pipe is inserted in apparatus for treating sewage, described apparatus for treating sewage is connected with cyclonic fog deduster by tube connector, the upper end of described cyclonic fog deduster is provided with escape pipe, the entrance of described escape pipe is provided with vortex board TRT, and the outlet of described escape pipe is provided with induced draft fan; The lower end of described cyclonic fog deduster is provided with sewage reservoir, the upper end of described cyclonic fog deduster is provided with waterfog head, described waterfog head is connected with feed tank by shower nozzle water pipe, described feed tank is connected with annular water tank, the lower end of described condensation skew wall is provided with evaporation basin, and described evaporation basin is connected with described tube connector by tubule; The waste pipe of described induced draft fan crosses described evaporation basin and sewage reservoir; Sewage in described sewage reservoir pumps into described air inlet pipe by foul water pump; Evaporation basin, feed tank, cyclonic fog deduster, condensation skew wall form an airtight recirculated water casing, and annular water tank is positioned on the side wall surface of recirculated water casing.
Further, described evaporation basin and sewage reservoir are separated by dividing plate.
Further, described air inlet pipe is close to condensation skew wall, and the inner side of described condensation skew wall is refrigeration end, and the outside of described condensation skew wall is fire end.
Further, the water inlet being positioned at described feed tank bottom of described condensation skew wall.
Further, the housing of described air inlet pipe and apparatus for treating sewage is tangent, and the housing of described tube connector and cyclonic fog dust settler is tangent.
Further, described vortex board TRT comprises vortex board, and described vortex board is connected with generator, and described generator is connected with battery, and described battery is that condensation skew wall and foul water pump are powered.
Further, the lower end of described apparatus for treating sewage is provided with sludge collection box, and described sludge collection box is close to condensation skew wall fire end and is arranged.
Further, described vortex board is placed in an inner core, and described inner core overcoat has a hollow cylinder urceolus, and urceolus import is greater than the outlet of urceolus, and the outlet of described urceolus is connected with escape pipe; Described shower nozzle water pipe is connected with clarified water pump.
Further, described feed tank is connected with air compressor by return duct; Described waterfog head has multiple, and annular is arranged on the upper end of cyclonic fog dust settler.
Further, the waste pipe of sweeping machine is close to air inlet pipe setting.
In the present invention, the housing of described air inlet pipe and apparatus for treating sewage is tangent and stretch into a part in housing, and the housing of described tube connector and cyclonic fog dust settler is tangent and stretch in housing a part of.
In the present invention, the waste pipe of induced draft fan passes through from the bottom of evaporation basin and sewage reservoir, one section of skew wall before feed tank entrance is set to condensation skew wall, condensation skew wall is conducive to a kind of the semi-conducting material manufacture promoting condensation, after energising, one end is refrigeration end, for improving the condensation efficiency of steam; The other end is fire end, for the high velocity air of heating air inlet pipe.
In the present invention, before induced draft fan entrance, vortex board is set, the moisture contained in cyclonic fog dust settler Exhaust Gas can be removed, the vortex board of rotation can be utilized again to change the kinetic energy of high velocity air in escape pipe into electric energy by generator, store in the battery, to condensation skew wall, air compressor, foul water pump and clarified water pump energy supply.At an indirect tubule of evaporation basin and tube connector, utilize the environment under low pressure that in tube connector, high velocity air produces, impel the water in evaporation basin to be pressed in tube connector, and by high-speed gas atomization, dusty gas just can be contacted with water smoke in tube connector, improve the efficiency of water mist dust fall.
In the present invention, the waste pipe of sweeping machine is close to air inlet pipe, the air-flow together with the fire end of condensation skew wall in heating air inlet pipe, disposes of sewage prepare for sewage disposal system, the fire end of condensation skew wall also heats the mud in sludge collection box simultaneously, and the water in mud is fully evaporated.
The present invention on the basis of process big dust particle, can play certain cleaning effect to molecules such as PM2.5; The wind energy at engine for road sweeper tail pipe exhaust waste heat and device gas outlet place is used simultaneously, reaches the object of energy-saving and emission-reduction.The present invention can also realize the recycling of water for dust removal, energy-conservation water resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the arrangement diagram of waterfog head;
Fig. 3 is the sectional structure schematic diagram of vortex board;
Fig. 4 is the structural representation of vortex board;
Fig. 5 is the structural representation of annular water tank and feed tank;
Fig. 6 is the structural representation of annular water tank and recirculated water casing.
In figure: 1, air inlet pipe, 2, cyclonic fog deduster, 3, waterfog head, 4, vortex board, 5, escape pipe, 6, generator, 7, circuit network, 8, air compressor, 9, battery, 10, induced draft fan, 11, tube connector, 12, apparatus for treating sewage, 13, engine for road sweeper stack, 14, return duct, 15, sludge collection box, 16, annular water tank, 17, condensation skew wall, 18, evaporation basin, 19, tubule, 20, dividing plate, 21, clarified water pump, 22, foul water pump, 23, feed tank, 24, sewage reservoir, 25, the induced draft fan exhaust pipe of engine, 26, annular conduit, 27, inner core, 28, urceolus, 29, recirculated water casing.
Detailed description of the invention
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
See Fig. 1-Fig. 6, a kind of self energizing formula sweeping machine waste gas dust-removal device based on waste water self-loopa, it comprises air inlet pipe 1, described air inlet pipe 1 is tangent and stretch into a part in apparatus for treating sewage 12 housing with the housing of apparatus for treating sewage 12, described apparatus for treating sewage 12 is connected with cyclonic fog deduster 2 by tube connector 11, and described tube connector 11 is tangent and stretch into a part in cyclonic fog dust settler 2 housing with the housing of cyclonic fog dust settler 2;
The upper end of described cyclonic fog deduster 2 is provided with escape pipe 5, and the entrance of described escape pipe 5 is provided with vortex board 4, and this vortex board 4 is connected with generator 6, and generator 6 electricity is stored in battery 9; The outlet of described escape pipe 5 is provided with induced draft fan;
The lower end of described cyclonic fog deduster 2 is provided with sewage reservoir 24, the upper end of described cyclonic fog deduster 2 is provided with multiple waterfog head 3, described waterfog head 3 ring is located on annular conduit 26, described annular conduit 26 is connected with feed tank 23 by shower nozzle water pipe, described feed tank 23 is connected with the delivery port bottom of the annular water tank 16 tilted, the lower end of described condensation skew wall 17 is provided with evaporation basin 18, and described evaporation basin 18 is connected with described tube connector 11 by tubule 19; The induced draft fan exhaust pipe of engine 25 crosses described evaporation basin 18 and sewage reservoir 24; Described evaporation basin 18 and sewage reservoir 24 are separated by dividing plate 20;
Sewage in described sewage reservoir 24 pumps in described air inlet pipe 1 by foul water pump 22;
Evaporation basin 18, feed tank 23, cyclonic fog deduster 2, condensation skew wall 17 form a recirculated water casing, and annular water tank 16 is positioned on the side wall surface of recirculated water casing 29;
Described air inlet pipe 1 is close to condensation skew wall 17, and the inner side of described condensation skew wall 17 is refrigeration end, and the outside of described condensation skew wall 17 is fire end; The lowermost end of described condensation skew wall 17, just to the water inlet of described feed tank 23, is convenient to condensed water and is flowed in feed tank.
In the present embodiment, the lower end of described apparatus for treating sewage 12 is provided with sludge collection box 15, described sludge collection box 15 is close to air inlet pipe 1 and is arranged, and the fire end that described sludge collection box 15 is also close to condensation skew wall 17 is arranged, this set can make the moisture of the mud in sludge collection box 15 evaporate, recycle so that steam enters, energy-conserving and environment-protective.
In the present embodiment, described shower nozzle water pipe is connected with clarified water pump 21, and the sewage in described sewage reservoir 24 pumps in described air inlet pipe 1 by foul water pump 22; Described feed tank 23 is connected with air compressor 8 by return duct 14.
In the present invention, the induced draft fan exhaust pipe of engine 25 passes through from the bottom of evaporation basin 18, one section of skew wall before feed tank 23 entrance is set to condensation skew wall 17, condensation skew wall 17 is conducive to a kind of the semi-conducting material manufacture promoting condensation, after energising, one end is refrigeration end, for improving the condensation efficiency of steam; The other end is fire end, for the high velocity air of heating air inlet pipe 1.
In the present invention, before induced draft fan 10 entrance, vortex board 4 is set, vortex board 4 overcoat has an inner core 27, described inner core 27 overcoat has a hollow cylinder urceolus 28, the import of urceolus 28 is greater than the outlet of urceolus 28, and the outlet of described urceolus 28 is connected with escape pipe 5, vortex board 4, inner core 27, the setting of urceolus 28 can remove the moisture contained in cyclonic fog dust settler 2 Exhaust Gas, the vortex board 4 of rotation can be utilized again to change the kinetic energy of high velocity air in escape pipe 5 into electric energy by generator 6, be stored in battery 9, to condensation skew wall 17, air compressor 8, foul water pump 22 and clarified water pump 21 energy supply.At an indirect tubule 19 of evaporation basin 18 and tube connector 11, utilize the environment under low pressure that in tube connector 11, high velocity air produces, the hydraulic pressure in evaporation basin 18 is impelled to enter in tube connector 11, and by high-speed gas atomization, dusty gas just can be contacted with water smoke in tube connector 11, improve the efficiency of water mist dust fall.
In the present invention, engine for road sweeper stack 13 is close to air inlet pipe 1 and is arranged, the setting of engine for road sweeper stack 13 also can air-flow in heating air inlet pipe 1, dispose of sewage for sewage disposal system and prepare, the fire end of condensation skew wall 17 also heats the mud in sludge collection box simultaneously, and the water in mud is fully evaporated.
The invention discloses a kind of sweeping machine waste gas dust-removal device based on waste water self-loopa, it comprises cyclonic fog dust falling system, evaporative condenser system, sewage disposal system, vortex board electricity generation system, air inlet humidification system etc.Described cyclonic fog dust falling system comprises cyclonic fog deduster, waterfog head, annular conduit etc.Described evaporative condenser system comprises evaporation basin, feed tank, condensation skew wall, annular water tank, the induced draft fan exhaust pipe of engine etc.Described sewage disposal system comprises apparatus for treating sewage, sewage conveying tube, sludge collection box, engine for road sweeper stack etc.Described vortex board electricity generation system comprises vortex board, generator, battery, circuit network etc.Described air inlet humidification system comprises tubule, tube connector, sewage conveying tube etc.The present invention is applicable to urban road sweeping machine, and can carry out depositing dust dust removal process to dust laden air, depositing dust efficiency of dust collection is high.
In the present invention, dusty gas in air inlet pipe 1 is after condensation skew wall 12 fire end, engine for road sweeper stack 13 heat, dust-laden sewage is atomized and flashes to steam by the high velocity air of heat, steam flow in apparatus for treating sewage 12 with air-flow, mud but falls in sludge collection box 15 under gravity, and the drying achieving mud is separated.Steam continues through tube connector 11 and passes in cyclonic fog deduster 2, water in feed tank pumps into shower nozzle water pipe by clarified water pump, by waterfog head 3, water is sprayed onto the inner walls of cyclonic fog deduster 2, water flows down formation moisture film along inwall, the method of integrated use water mist dust fall and moisture film depositing dust, realizes the effect of the dust simultaneously processing different-diameter size; Sewage containing dust flows in the sewage reservoir 24 below cyclonic fog deduster 2 along inwall, utilize and by the waste heat of the induced draft fan exhaust pipe of engine 25 in evaporation basin 18 and sewage reservoir 24, water is evaporated, the condensation skew wall 17 place condensation that steam rises to above feed tank 23 flows into feed tank 23, part water flows into feed tank 23 by annular water tank 16 after the face condensation of cyclic water tank body wall, water in feed tank is pumped in waterfog head 3 by clarified water pump 21, thus realizes recycling of water.
In the present invention, the wind energy that the vortex board TRT being arranged on escape pipe 5 place can utilize the air-flow of escape pipe 5 to produce, converts electrical energy for storage in battery 9, to condensation skew wall 17 by generator 6, air compressor 8 and foul water pump 22, clarified water pump 21 energy supply; Play the effect to the dehydrating demisting of gas in escape pipe 5 simultaneously.In the present invention, though there is the dehydrating demisting effect of vortex board 4, but also contain minute quantity water loss in unavoidable Exhaust Gas in air, use air compressor 8 compressed air, to obtain the moisture in air, supplement the water loss in dust pelletizing system, and the energy needed for air compressor 8 is produced by vortex board electricity generation system and providing at the electric energy of battery 9 of storing.
In use procedure, water pumps into and flows in the shower nozzle water pipe of waterfog head 3 by clarified water pump 21 from feed tank 23, water is vaporific ejection by 4 waterfog heads 3, part is directed onto in the inner walls of cyclonic fog deduster 2, moisture film is formed in the inner walls of cyclonic fog deduster 2, dust laden air from tube connector 11 along the tangential direction access to plant of the housing of cyclonic fog deduster 2 after, combine with the water smoke in space, and combine with the moisture film on housing wall under the effect of the centrifugal force of whirlwind generation, grit after being adsorbed with water flows in the sewage reservoir 24 of bottom with water, purified gas is discharged from escape pipe 5.
The present invention utilizes induced draft fan exhaust pipe of engine waste heat, can realize recycling water in evaporation basin 18.The induced draft fan exhaust pipe of engine 25 passes through bottom evaporation basin 18, water in all the other thermal evaporation evaporation basins 18, steam rises to the condensation skew wall 17 place's condensation above feed tank 23 and flows into feed tank 23, part water then flows into feed tank 23 by annular water tank 16 in the condensation of cyclic water tank side wall, thus realizes recycling of water.
The dehydrating demisting effect that the present invention utilizes vortex board TRT can realize gas after the Wind Power Utilization of high velocity air in escape pipe 5 and the purification of cyclonic fog dust settler.Purified gas, after entering escape pipe 5, gas enters from the bottom of vortex board 4, utilize flow rotation that drop is thrown to outer tube by vortex board 4, thus gathering falls, liquid backflow recycles to cyclonic fog dust settler 2, and the gas of dried and clean is discharged from top.The high velocity air of escape pipe 5 drives vortex board to rotate, and the vortex board 4 of rotation can change the wind energy of high velocity air into electrical energy for storage in battery 9 by generator 6, to condensation skew wall 17, and air compressor 8 and foul water pump 22, clarified water pump 21 energy supply.
The purified treatment that the present invention utilizes sewage disposal system can realize dust-laden sewage in sewage reservoir 24.Dust-laden sewage bottom sewage reservoir 24 is pressed into the air inlet pipe 1 before apparatus for treating sewage 12 by sewage conveying tube by the foul water pump 22 in sewage reservoir 24, in air inlet pipe 1 high velocity air effect under, be atomized into little droplet, and dusty gas in air inlet pipe 1 is through the heat effect of engine for road sweeper stack 13 and condensation skew wall 17 fire end, temperature is higher, rapidly water smoke can be flashed to steam and dust separation, steam is moved into apparatus for treating sewage 12 with air-flow, and dust gets rid of to wall under centrifugal action, then move downward under gravity, drop down onto sludge collection box 15.The fire end of condensation skew wall 17 can also carry out heating, drying to the mud of sludge collection box 15 further, the water in mud is fully evaporated, and facilitates the discharge of mud.Gas containing steam enters in cyclonic fog deduster 2 through tube connector 11.Thus achieve the dry separating treatment of mud in sewage.
The present invention utilizes air compressor 8 compressed air, to obtain the moisture in air, and be back to feed tank 23 by the water that compressed air obtains by return duct 14, with the moisture that supplementary device runs off at work, and the energy needed for air compressor 8 is produced by vortex board TRT and the electric energy being stored in battery 9 provides.
In the present invention, the wall of evaporation basin 18 is connected with the most significant end of condensation skew wall 17, annular water tank 16 is fixed with the wall of evaporation basin 18, one side wall surface of feed tank 23 is connected with the housing of cyclonic fog deduster 2, one end of sewage reservoir 24 is connected with the housing of cyclonic fog deduster 2, the other end of sewage reservoir 24 is connected with evaporation basin 18 by dividing plate 20, and generator 6, air compressor 8, battery 9 etc. are connected by circuit network 7.The present invention can dispose of sewage and can process dusty gas.
Claims (10)
1. the sweeping machine waste gas dust-removal device based on waste water self-loopa, it is characterized in that: it comprises air inlet pipe, described air inlet pipe is inserted in apparatus for treating sewage, described apparatus for treating sewage is connected with cyclonic fog deduster by tube connector, the upper end of described cyclonic fog deduster is provided with escape pipe, the entrance of described escape pipe is provided with vortex board TRT, and the outlet of described escape pipe is provided with induced draft fan; The lower end of described cyclonic fog deduster is provided with sewage reservoir, the upper end of described cyclonic fog deduster is provided with waterfog head, described waterfog head is connected with feed tank by shower nozzle water pipe, described feed tank is connected with annular water tank, condensation skew wall is provided with above feed tank, the lower end of described condensation skew wall is provided with evaporation basin, and described evaporation basin is connected with described tube connector by tubule; The waste pipe of described induced draft fan crosses described evaporation basin and sewage reservoir; Sewage in described sewage reservoir pumps into described air inlet pipe by foul water pump; Evaporation basin, feed tank, cyclonic fog deduster, condensation skew wall form an airtight recirculated water casing, and annular water tank is positioned on the side wall surface of recirculated water casing.
2., as claimed in claim 1 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: described evaporation basin and sewage reservoir are separated by dividing plate.
3., as claimed in claim 1 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: described air inlet pipe is close to condensation skew wall, the inner side of described condensation skew wall is refrigeration end, and the outside of described condensation skew wall is fire end.
4., as claimed in claim 3 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: the water inlet being positioned at described feed tank bottom of described condensation skew wall.
5. the sweeping machine waste gas dust-removal device based on waste water self-loopa as described in claim 1 or 3, it is characterized in that: the housing of described air inlet pipe and apparatus for treating sewage is tangent, the housing of described tube connector and cyclonic fog dust settler is tangent.
6. as claimed in claim 1 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: described vortex board TRT comprises vortex board, described vortex board is connected with generator, and described generator is connected with battery, and described battery is that condensation skew wall and foul water pump are powered.
7. as claimed in claim 6 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: the lower end of described apparatus for treating sewage is provided with sludge collection box, described sludge collection box is close to condensation skew wall fire end and is arranged.
8. as claimed in claim 6 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: described vortex board is placed in an inner core, described inner core overcoat has a hollow cylinder urceolus, urceolus import is greater than the outlet of urceolus, and the outlet of described urceolus is connected with escape pipe; Described shower nozzle water pipe is connected with clarified water pump.
9., as claimed in claim 8 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: described feed tank is connected with air compressor by return duct; Described waterfog head has multiple, and annular is arranged on the upper end of cyclonic fog dust settler.
10. as claimed in claim 1 based on the sweeping machine waste gas dust-removal device of waste water self-loopa, it is characterized in that: the waste pipe of sweeping machine is close to air inlet pipe and is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410176768.4A CN103924538B (en) | 2014-04-29 | 2014-04-29 | Exhaust gas dust collector of self-energized sweeping machine based on self-circulation of waste water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410176768.4A CN103924538B (en) | 2014-04-29 | 2014-04-29 | Exhaust gas dust collector of self-energized sweeping machine based on self-circulation of waste water |
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| CN103924538A CN103924538A (en) | 2014-07-16 |
| CN103924538B true CN103924538B (en) | 2015-07-22 |
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| CN104405478B (en) * | 2014-10-10 | 2017-05-31 | 河海大学 | A kind of vehicle exhaust PM2.5 purifies automatic disposing device |
| CN114523978B (en) * | 2020-11-03 | 2024-01-16 | 上海汽车集团股份有限公司 | Rear road model generation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62269725A (en) * | 1986-05-19 | 1987-11-24 | Ebara Corp | Method and device for collecting dust by freezing |
| CN101137793A (en) * | 2004-12-06 | 2008-03-05 | 应用清扫设备有限公司 | Dust control system |
| CN201069169Y (en) * | 2007-07-04 | 2008-06-04 | 李影 | Spraying dust-removing heat recycling device |
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2014
- 2014-04-29 CN CN201410176768.4A patent/CN103924538B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62269725A (en) * | 1986-05-19 | 1987-11-24 | Ebara Corp | Method and device for collecting dust by freezing |
| CN101137793A (en) * | 2004-12-06 | 2008-03-05 | 应用清扫设备有限公司 | Dust control system |
| CN201069169Y (en) * | 2007-07-04 | 2008-06-04 | 李影 | Spraying dust-removing heat recycling device |
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Effective date of registration: 20211018 Address after: 441300 No. 38-108 Wendi Avenue, Suizhou City, Hubei Province Patentee after: Industrial Research Institute of Wuhan University of technology in Suizhou Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: WUHAN University OF TECHNOLOGY |
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