CN112757644A - High-efficient recovery unit of photosensitive curing 3D printing resin waste gas - Google Patents

High-efficient recovery unit of photosensitive curing 3D printing resin waste gas Download PDF

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Publication number
CN112757644A
CN112757644A CN202011385507.5A CN202011385507A CN112757644A CN 112757644 A CN112757644 A CN 112757644A CN 202011385507 A CN202011385507 A CN 202011385507A CN 112757644 A CN112757644 A CN 112757644A
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CN
China
Prior art keywords
pipe
fixedly connected
waste gas
recovery
recovery tank
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Pending
Application number
CN202011385507.5A
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Chinese (zh)
Inventor
朱协彬
韩顺顺
王邦伦
刘琪
刘桐
孙正君
孙祖亮
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Anhui Polytechnic University
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Anhui Polytechnic University
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Priority to CN202011385507.5A priority Critical patent/CN112757644A/en
Publication of CN112757644A publication Critical patent/CN112757644A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/357Recycling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1406Multiple stage absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/35Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)

Abstract

The invention discloses a high-efficiency recovery device for photosensitive curing 3D printing resin waste gas, which comprises a base, wherein fixing seats are fixedly connected to two sides of the top of the base, a recovery tank is fixedly connected between the tops of the two fixing seats, a drainage baffle is fixedly connected to the inner surface of the recovery tank, three installation frames are uniformly and fixedly connected to the inner surface of the recovery tank and are positioned right above the drainage baffle from bottom to top, installation grooves are formed in the three installation frames, and a ring pipe is nested in the installation frames through the installation grooves. According to the invention, the atomizing nozzles arranged on the inner rings of the three connecting ring pipes are used for respectively absorbing and mixing the resin waste gas sprayed by the three exhaust pipes arranged on the surface of the air inlet pipe, so that the toxic substances contained in the gas are greatly reduced, the mixing efficiency of the waste gas and the atomizing absorbent can be accelerated by opposite-spraying mixing, the resin waste gas can be uniformly mixed by annular spraying, the reaction efficiency of the toxic substances is accelerated, and the recovery efficiency of the resin waste gas is improved.

Description

High-efficient recovery unit of photosensitive curing 3D printing resin waste gas
Technical Field
The invention relates to the technical field of 3D printing, in particular to a high-efficiency recovery device for waste gas of photosensitive curing 3D printing resin.
Background
With the rapid development of photosensitive curing 3D printing in China and even in the whole world, the requirements of factory workers on safety, comfort, environmental protection and the like in the printing process are higher and higher, so that the structural requirements designed by the photosensitive curing 3D printing technology must meet the development of the desire direction of people, and therefore the post-treatment of the resin volatility problem in the printing process of the optical curing equipment needs to be solved urgently. The properties of the structure to be designed must meet these requirements. The primary function of the designed environment circulating device is to circularly treat the gas volatilized by the photosensitive resin so as to achieve the purposes of recycling the raw materials and ensuring the comfort of the space environment outside the equipment.
At present, the existing photosensitive curing 3D printer has poor gas circulation treatment effect on volatilization of photosensitive resin, has low resin waste gas treatment efficiency, reduces the toxic substance absorption reaction speed in resin waste gas, directly discharges the toxic substance absorption reaction speed, harms the bodies of factory workers and people, and has low resin liquid recovery efficiency.
Therefore, it is necessary to provide a device for efficiently recycling waste gas generated from photosensitive curing 3D printing resin to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a high-efficiency recovery device for waste gas of photosensitive curing 3D printing resin, which aims to solve the problem of low resin waste gas absorption reaction efficiency in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency recovery device for photosensitive curing 3D printing resin waste gas comprises a base, wherein both sides of the top of the base are fixedly connected with fixed seats, a recovery tank is fixedly connected between the tops of two fixed seats, the inner surface of the recovery tank is fixedly connected with a drainage baffle, the inner surface of the recovery tank is uniformly and fixedly connected with three mounting frames from bottom to top right above the drainage baffle, the insides of the three mounting frames are respectively provided with a mounting groove, the insides of the mounting frames are nested with a connecting ring pipe through the mounting grooves, the inner ring surface of the connecting ring pipe is uniformly communicated with an atomizing nozzle, the inner surface of the recovery tank is fixedly connected with a drainage hopper positioned at the top of the mounting frame, the top of the recovery tank is communicated with an air inlet pipe, the bottom end of the air inlet pipe sequentially extends into the insides of the three mounting frames, and the surface of the air inlet pipe is uniformly, the right side fixedly connected with water pump of recovery jar, the end intercommunication of intaking of water pump has the inlet tube, the one end of inlet tube runs through one in proper order the fixing base just extends to the inside of retrieving the jar with the bottom of retrieving the jar, the play water outlet end intercommunication of water pump has the outlet pipe, supreme even intercommunication has one-level connecting pipe, second grade connecting pipe and tertiary connecting pipe from down in the left side of outlet pipe, the one end of one-level connecting pipe, second grade connecting pipe and tertiary connecting pipe runs through threely respectively the installing frame is three the connecting ring pipe just extends to the inside of connecting the ring pipe.
Preferably, an air filter screen is fixedly connected between the surface of the air inlet pipe and the inner surface of the recovery tank and right above the diversion hopper.
Preferably, the both sides at recovery tank top all communicate with the blast pipe, the right side of recovery tank and the below intercommunication that is located drainage baffle have the inlet pipe.
Preferably, the left side of retrieving the jar and the top intercommunication that is located the drainage baffle have a recovery tube, the top of base just is located two mount pads of left side fixedly connected with of retrieving the jar.
Preferably, the top of the two installation seats is fixedly connected with a recovery box, and one end of the recovery pipe penetrates through the right side of the top of the recovery box and extends into the recovery box.
Preferably, the bottom of the left side of the recovery box is communicated with a material taking pipe.
Compared with the prior art, the invention has the beneficial effects that:
(1) the high-efficiency resin waste gas recovery device for the photosensitive curing 3D printing comprises a gas inlet pipe, a gas outlet pipe, a water pump, a water inlet pipe, a water outlet pipe, a first-stage connecting pipe, a second-stage connecting pipe and a third-stage connecting pipe, wherein resin waste gas generated when an external 3D printer is used is conveyed into a recovery tank through the gas inlet pipe, the resin waste gas is discharged through the gas outlet pipe, the water pump is started simultaneously, absorbent at the bottom inside the recovery tank is extracted through the water inlet pipe, the absorbent is conveyed to the first-stage connecting pipe, the second-stage connecting pipe and the third-stage connecting pipe respectively, the absorbent is conveyed to the inside of three connecting ring pipes through the first-stage connecting pipe, the second-stage connecting pipe and the third-stage connecting pipe, the gas outlet end of the gas outlet pipe is aligned to the spraying end of an atomizing nozzle, when the absorbent inside the connecting ring pipes is sprayed out through eight atomizing nozzles, resin waste gas mixes the absorption reaction back through tertiary absorbent, and the toxic substance that contains has significantly reduced in the gas, mixes to spouting, can accelerate the mixing efficiency of waste gas and atomizing absorbent, and the ring formula is sprayed, can let resin waste gas homogeneous mixing for the reaction efficiency of toxic substance, improves the recovery efficiency of resin waste gas.
(2) The efficient recovery device for the photosensitive curing 3D printing resin waste gas comprises an air filter screen, an exhaust pipe, a recovery tank, a drainage baffle plate, a one-way valve, a recovery tank, a valve, a recovery pipe, a recovery tank, a valve and a valve, wherein the gas is subjected to absorption reaction by an absorbent and then is filtered by the air filter screen, the exhaust pipe is used for discharging the resin from the recovery tank, the resin is mixed, resin condensate produced on the inner surface of the recovery, the volatilization of the resin is reduced, and the production and printing cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a high-efficiency recycling device for waste gas of photosensitive cured 3D printing resin provided by the present invention;
FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;
fig. 3 is a schematic plan view of the structure of the diversion funnel shown in fig. 1.
In the figure: 1. a base; 2. a fixed seat; 3. a recovery tank; 4. a drainage baffle plate; 5. installing a frame; 6. mounting grooves; 7. connecting a ring pipe; 8. an atomizing spray head; 9. a drainage hopper; 10. an air inlet pipe; 11. an air outlet pipe; 12. a water pump; 13. a water inlet pipe; 14. a water outlet pipe; 15. a primary connecting pipe; 16. a secondary connecting pipe; 17. a third-stage connecting pipe; 18. an air screen; 19. an exhaust pipe; 20. a feed pipe; 21. a recovery pipe; 22. a mounting seat; 23. a recycling bin; 24. and a material taking pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: a high-efficiency recovery device for resin waste gas generated by photosensitive curing 3D printing comprises a base 1, wherein both sides of the top of the base 1 are fixedly connected with fixed seats 2, a recovery tank 3 is fixedly connected between the tops of the two fixed seats 2, the inner surface of the recovery tank 3 is fixedly connected with a drainage baffle plate 4, the drainage baffle plate 4 is in a conical shape, so that liquid drainage at the center of the top is performed at the outer ring part of the top, the liquid drainage is performed conveniently into a recovery pipe 21, the inner surface of the recovery tank 3 is uniformly and fixedly connected with three installation frames 5 from bottom to top right above the drainage baffle plate 4, the three installation frames 5 are respectively provided with an installation groove 6, the installation frames 5 are respectively embedded with a connecting ring pipe 7 through the installation grooves 6, the inner ring surface of the connecting ring pipe 7 is uniformly communicated with an atomizing nozzle 8, and the atomizing nozzle 8 is in a multi-head fine atomizing nozzle (7, eight atomizing nozzles 8 are uniformly communicated with the inner ring of each connecting ring pipe 7, a diversion hopper 9 is fixedly connected with the inner surface of the recovery tank 3 and positioned at the top of the mounting frame 5, an air inlet pipe 10 is communicated with the top of the recovery tank 3, the bottom end of the air inlet pipe 10 is closed, the air inlet pipe 10 is connected with an external photosensitive curing 3D printer exhaust pipe, the bottom end of the air inlet pipe 10 sequentially extends into the three mounting frames 5, an air outlet pipe 11 is uniformly communicated with the surface of the air inlet pipe 10 and positioned in the mounting frame 5, a water pump 12 is fixedly connected with the right side of the recovery tank 3, the water pump 12 is HSP11050T in type, the water inlet end of the water pump 12 is communicated with a water inlet pipe 13, one end of the water inlet pipe 13 sequentially penetrates through the bottoms of the fixing seat 2 and the recovery tank 3 and extends into the recovery tank 3, and the water outlet end of the water, the top end of the water outlet pipe 14 is closed, the left side of the water outlet pipe 14 is uniformly communicated with a first-level connecting pipe 15, a second-level connecting pipe 16 and a third-level connecting pipe 17 from bottom to top, and one end of the first-level connecting pipe 15, the second-level connecting pipe 16 and the third-level connecting pipe 17 penetrates through the three mounting frames 5 and the three connecting rings 7 respectively and extends to the inside of the connecting rings 7.
The utility model discloses an atomizing spray head, including intake pipe 10, the internal surface of recovery jar 3 is equipped with the drainage groove, intake pipe 10 is between the surface of intake pipe and the internal surface of recovery jar 3 and be located drainage fill 9 directly over fixedly connected with air screen 18, and drainage fill 9's top and bottom are non-confined, and the obconic drainage groove has been seted up to inside, the outlet duct 11 of intake pipe 10 surface intercommunication is three rows, and the outlet duct 11 end of giving vent to anger of every row installation is aimed at atomizer 8, and the quantity of the outlet duct 11 of every.
Retrieve the both sides at jar 3 top and all communicate and have blast pipe 19, the below intercommunication that retrieves jar 3 right side and be located drainage baffle 4 has inlet pipe 20, install the check valve on the inlet pipe 20.
The left side of recovery tank 3 and the top intercommunication that is located drainage baffle 4 have recovery tube 21, the top of base 1 just is located two mount pads 22 of left side fixedly connected with of recovery tank 3.
A recycling tank 23 is fixedly connected to the tops of the two mounting seats 22, and one end of the recycling pipe 21 penetrates through the right side of the top of the recycling tank 23 and extends into the recycling tank 23.
The bottom of the left side of the recovery box 23 is communicated with a material taking pipe 24, and a water valve is installed on the material taking pipe 24.
The working principle is as follows: when the device is used, resin waste gas generated when an external 3D printer is used is conveyed into the recovery tank 3 through the air inlet pipe 10 and is discharged through the air outlet pipe 11, the water pump 12 is started simultaneously, the absorbent at the bottom inside the recovery tank 3 is extracted through the water inlet pipe 13, the absorbent is conveyed to the first-stage connecting pipe 15, the second-stage connecting pipe 16 and the third-stage connecting pipe 17 through the water outlet pipe 14 respectively, the absorbent is conveyed to the insides of the three connecting ring pipes 7 through the first-stage connecting pipe 15, the second-stage connecting pipe 16 and the third-stage connecting pipe 17 respectively, the air outlet end of the air outlet pipe 11 is aligned to the spraying end of the atomizing nozzle 8, when the absorbent inside the ring pipe 7 is sprayed out through the eight atomizing nozzles 8 communicated with the inner ring of the connecting ring pipe 7 and is uniformly mixed with the resin waste gas discharged from the air outlet pipe 11, an absorption reaction is carried out, the atomizing nozzles 8 arranged on the inner rings of the three connecting, resin waste gas mixes the absorption reaction back through tertiary absorbent, the noxious material that contains in the gas has significantly reduced, rethread air strainer 18 filters, discharge from the inside of retrieving jar 3 through blast pipe 19, after mixing, the resin liquid coagulated balls that produce on the internal surface of retrieving jar pass through the inside below of three drainage fill 9 landing entering retrieving jar 3 and be located the top of drainage baffle 4, drainage baffle 4 is cone shape, make the resin liquid landing of retrieving to drainage baffle 4 top outer loop portion, be convenient for flow into in the recovery tube 21, through the inside of recovery tube 21 drainage entering collection box 23, when needs take out to process the secondary utilization, the valve on the material pipe 24 is got to the accessible open, take out the resin liquid, after the absorbent uses up, the check valve on the inlet pipe 20 is opened to the accessible, the absorbent is injected into to the inside of retrieving jar 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a photosensitive curing 3D prints high-efficient recovery unit of resin waste gas, includes base (1), its characterized in that: the device is characterized in that fixing seats (2) are fixedly connected to two sides of the top of the base (1), a recovery tank (3) is fixedly connected between the tops of the two fixing seats (2), a drainage baffle plate (4) is fixedly connected to the inner surface of the recovery tank (3), three mounting frames (5) are uniformly and fixedly connected to the inner surface of the recovery tank (3) and located right above the drainage baffle plate (4) from bottom to top, mounting grooves (6) are formed in the three mounting frames (5), connecting ring pipes (7) are nested in the mounting frames (5) through the mounting grooves (6), atomizing nozzles (8) are uniformly communicated with the surface of the inner ring of the connecting ring pipe (7), a drainage hopper (9) is fixedly connected to the top of the mounting frame (5) and located on the inner surface of the recovery tank (3), and an air inlet pipe (10) is communicated with the top of the recovery tank (3), the bottom of intake pipe (10) extends into threely in proper order the inside of installing frame (5), the even intercommunication in the inside that the surface of intake pipe (10) just is located installing frame (5) has outlet duct (11), the right side fixedly connected with water pump (12) of retrieving jar (3), the end intercommunication of intaking of water pump (12) has inlet tube (13), the one end of inlet tube (13) is run through one in proper order the bottom of fixing base (2) and retrieving jar (3) just extends to the inside of retrieving jar (3), the play water end intercommunication of water pump (12) has outlet pipe (14), supreme even intercommunication has one-level connecting pipe (15), second grade connecting pipe (16) and tertiary connecting pipe (17) are followed in the left side of outlet pipe (14), the one end of one-level connecting pipe (15), second grade connecting pipe (16) and tertiary connecting pipe (17) runs through threely respectively installing frame (5) and threely the connecting ring pipe (7) just extends to the go-between (7 The interior of the tube (7).
2. The efficient recycling device for waste gas of photosensitive curing 3D printing resin according to claim 1, wherein: an air filter screen (18) is fixedly connected between the surface of the air inlet pipe (10) and the inner surface of the recovery tank (3) and is positioned right above the diversion hopper (9).
3. The efficient recycling device for waste gas of photosensitive curing 3D printing resin according to claim 1, wherein: retrieve the both sides at jar (3) top and all communicate and have blast pipe (19), the right side of retrieving jar (3) and the below intercommunication that is located drainage baffle (4) have inlet pipe (20).
4. The efficient recycling device for waste gas of photosensitive curing 3D printing resin according to claim 1, wherein: the top intercommunication that the left side of retrieving jar (3) just is located drainage baffle (4) has recovery tube (21), the top of base (1) just is located two mount pads (22) of left side fixedly connected with of retrieving jar (3).
5. The efficient recycling device for waste gas of photosensitive curing 3D printing resin according to claim 4, wherein: two the top fixedly connected with collection box (23) of mount pad (22), the one end of recovery tube (21) runs through the right side at collection box (23) top and extends to the inside of collection box (23).
6. The efficient recycling device for waste gas of photosensitive curing 3D printing resin according to claim 1, wherein: the bottom of the left side of the recovery box (23) is communicated with a material taking pipe (24).
CN202011385507.5A 2020-12-01 2020-12-01 High-efficient recovery unit of photosensitive curing 3D printing resin waste gas Pending CN112757644A (en)

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CN202011385507.5A CN112757644A (en) 2020-12-01 2020-12-01 High-efficient recovery unit of photosensitive curing 3D printing resin waste gas

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Publication number Priority date Publication date Assignee Title
JP2000015050A (en) * 1998-07-01 2000-01-18 Kawasaki Heavy Ind Ltd Spray absorption tower in flue gas desulfurization apparatus
CN102641659A (en) * 2011-02-22 2012-08-22 贵州中烟工业有限责任公司 Smoke gas desulfuration dust remover
CN105563839A (en) * 2016-02-24 2016-05-11 珠海天威飞马打印耗材有限公司 DLP three-dimensional printing device and forming method thereof
CN205850814U (en) * 2016-07-25 2017-01-04 四川恒泽建材有限公司 A kind of water reducer production acid mist treatment device
CN107096344A (en) * 2017-06-16 2017-08-29 熊恒斌 A kind of industrial waste gas and floating outstanding particle purifying processing system
CN206492367U (en) * 2016-11-29 2017-09-15 江苏泰禾达机械有限公司 Exhaust-gas treatment spray column in a kind of coating equipment
CN107226603A (en) * 2017-07-04 2017-10-03 南京农业大学 The system that a kind of Fenton oxidation removes antibiotic and estrogen in feces of livestock and poultry
CN107715657A (en) * 2017-11-15 2018-02-23 泰州市泰港动力机械有限公司 A kind of industrial plant exhaust-gas treatment retracting device
CN108144376A (en) * 2018-03-06 2018-06-12 车继鲁 A kind of industrial gas emission mouth processing unit
CN108771960A (en) * 2018-08-07 2018-11-09 河南骏化发展股份有限公司 A kind of boiler flue minimum discharge device
CN208911638U (en) * 2018-08-31 2019-05-31 徐州天蓝臭氧设备有限公司 A kind of recycling and processing device of industrial waste gas

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000015050A (en) * 1998-07-01 2000-01-18 Kawasaki Heavy Ind Ltd Spray absorption tower in flue gas desulfurization apparatus
CN102641659A (en) * 2011-02-22 2012-08-22 贵州中烟工业有限责任公司 Smoke gas desulfuration dust remover
CN105563839A (en) * 2016-02-24 2016-05-11 珠海天威飞马打印耗材有限公司 DLP three-dimensional printing device and forming method thereof
CN205850814U (en) * 2016-07-25 2017-01-04 四川恒泽建材有限公司 A kind of water reducer production acid mist treatment device
CN206492367U (en) * 2016-11-29 2017-09-15 江苏泰禾达机械有限公司 Exhaust-gas treatment spray column in a kind of coating equipment
CN107096344A (en) * 2017-06-16 2017-08-29 熊恒斌 A kind of industrial waste gas and floating outstanding particle purifying processing system
CN107226603A (en) * 2017-07-04 2017-10-03 南京农业大学 The system that a kind of Fenton oxidation removes antibiotic and estrogen in feces of livestock and poultry
CN107715657A (en) * 2017-11-15 2018-02-23 泰州市泰港动力机械有限公司 A kind of industrial plant exhaust-gas treatment retracting device
CN108144376A (en) * 2018-03-06 2018-06-12 车继鲁 A kind of industrial gas emission mouth processing unit
CN108771960A (en) * 2018-08-07 2018-11-09 河南骏化发展股份有限公司 A kind of boiler flue minimum discharge device
CN208911638U (en) * 2018-08-31 2019-05-31 徐州天蓝臭氧设备有限公司 A kind of recycling and processing device of industrial waste gas

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Application publication date: 20210507