CN111389112A - Dust removal device for removing VOC-containing gas - Google Patents

Dust removal device for removing VOC-containing gas Download PDF

Info

Publication number
CN111389112A
CN111389112A CN202010224827.6A CN202010224827A CN111389112A CN 111389112 A CN111389112 A CN 111389112A CN 202010224827 A CN202010224827 A CN 202010224827A CN 111389112 A CN111389112 A CN 111389112A
Authority
CN
China
Prior art keywords
dust
dust removal
air
containing gas
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010224827.6A
Other languages
Chinese (zh)
Inventor
颜其洪
李祚辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Lansong Technology Co ltd
Original Assignee
Foshan Lansong Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Lansong Technology Co ltd filed Critical Foshan Lansong Technology Co ltd
Priority to CN202010224827.6A priority Critical patent/CN111389112A/en
Publication of CN111389112A publication Critical patent/CN111389112A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/16Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • 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
    • B01D53/1487Removing organic compounds
    • 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
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a dust removal device for removing VOC-containing gas, which comprises a dust removal box, wherein the left side wall and the right side wall of the dust removal box are respectively provided with an air outlet and an air inlet, a driving roller and a driven roller which are rotatably connected with the dust removal box are arranged between the air outlet and the air inlet, the driven roller is arranged above the driving roller, at least one driven roller is arranged, dust removal belts are arranged on the driving roller and the driven roller, a plurality of dust removal air holes are formed in the dust removal belts, the bottom of the dust removal box is provided with a water storage device, one side of each dust removal belt, which is close to the air inlet, moves towards the water storage device, and one side of. Through the mode, the dust-free air purifier can separate free dust in air containing VOC from air in the air purification process.

Description

Dust removal device for removing VOC-containing gas
Technical Field
The invention relates to the field of dust removing equipment, in particular to a dust removing device for removing VOC-containing gas.
Background
VOCs are acronyms for volatile organic compounds (volatile organic compounds). VOCs in the general sense are commanding organic matters; but the definition in the environmental protection sense refers to an active class of volatile organic compounds, namely, volatile organic compounds which can cause harm.
The VOC-containing gas, due to its viscosity, often blocks the air holes during the air purification process, thereby failing to achieve the air purification effect. The existing air purification equipment can not separate free dust from air, and the direct discharge can cause environmental pollution.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a dust removal device for removing VOC-containing gas, which aims to solve the problem that the existing air purification equipment cannot separate free dust in the air from the air.
The technical scheme adopted by the invention is as follows:
the utility model provides a get rid of dust collector who contains VOC gas, includes the dust removal case, its characterized in that: air outlet and air intake have been seted up on the wall of dust removal case left and right sides respectively the air outlet with be provided with between the air intake with dust removal case rotates the drive roller and the driven roller of connecting, the driven roller is located drive roller top and quantity set up to one at least the drive roller with be provided with the dust removal area on the driven roller, a plurality of dust removal bleeder vents have been seted up on the dust removal area, the bottom of dust removal case is provided with water storage device, the dust removal area is close to one side court of air intake water storage device's direction removes, the dust removal area is close to one side court of air outlet is kept away from water storage device's direction removes.
As a further improvement of the scheme, a water knife is arranged at one end, close to the driving roller, of the inner side of the dust removal belt.
As a further improvement of the scheme, the water jet cutter is provided with a water inlet and a linear water outlet, and the length of the linear water outlet is not less than the width of the dust removing belt.
As a further improvement of the scheme, an air knife is arranged at one end, close to the driving roller, of the inner side of the dust fall belt.
As a further improvement of the scheme, an air inlet hole and a linear air outlet hole are formed in the air knife, and the length of the linear air outlet hole is not smaller than the width of the dust removing belt.
As a further improvement of the scheme, one end, close to the driving roller, of the outer side of the dust removal belt is provided with a hole pricking roller, and the hole pricking roller is attached to the dust removal belt and provided with densely distributed sharp spines.
As a further improvement of the scheme, a plurality of limiting rollers used for supporting the dust removal belt to move are rotatably connected in the dust removal box.
As a further improvement of the scheme, the front side wall and the rear side wall of the dust removal box are provided with sealable maintenance windows.
As a further improvement of the scheme, the bottom of the water storage device is provided with a drain hole.
As a further improvement of the scheme, a valve is arranged at the position of the water drainage hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the device sets up mobilizable dust removal area in the dust removal case, and the water storage device holds water and the surface of water submergence drive roller axis below part, and the dust removal area moves the in-process and contacts with water, transfers the dust of adhesion on the dust removal area to aquatic to reach the mesh of air-purifying.
2. Because in the VOC-containing gas, dust often has certain viscosity, the dust removal ventilation holes on the dust removal belt are blocked, so that the dust is washed away from the dust removal belt by utilizing the strong impact force of the water jet, and the blockage of the dust removal ventilation holes is avoided.
3. In order to ensure the quantity of the air holes, a hole pricking roller is also arranged, and sharp spines arranged on the hole pricking roller enable the dust removal air holes to be formed again, so that the purpose of optimally purifying air is achieved.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view showing the external structure of a dust removing apparatus for removing VOC-containing gas according to the present invention;
FIG. 2 is a schematic view showing the internal structure of a dust removing apparatus for removing VOC-containing gas according to the present invention;
FIG. 3 is a schematic view of the internal structure of the dust removing device for removing VOC-containing gas in another view according to the present invention;
FIG. 4 is a schematic view showing an installation structure of a dust removing belt in the dust removing device for removing VOC-containing gas according to the present invention;
fig. 5 is a schematic structural view of a water knife and an air knife in a dust removing apparatus for removing VOC containing gas according to the present invention.
In the figure: 10. a dust removal box; 11. an air outlet; 12. an air inlet; 13. a water storage device; 14. a drain hole; 15. the access window can be sealed; 20. a dust removal belt; 30. a limiting roller; 40. water jet; 41. a water inlet hole; 42. a linear water outlet; 50. an air knife; 51. an air inlet; 52. linear air outlet holes; 60. a drive roller; 61. a driven roller; 70. and (5) a hole pricking roller.
Detailed Description
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings and technical solutions required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-5, a dust removing device for removing VOC-containing gas comprises a dust removing box 10, an air outlet 11 and an air inlet 12 are respectively disposed on the left and right side walls of the dust removing box 10, a driving roller 60 and two driven rollers 61 rotatably connected to the dust removing box 10 are disposed between the air inlet 12 and the air outlet 11, the driven rollers 61 are symmetrically disposed above the driving roller 60, the driving roller 60 and the two driven rollers 61 are surrounded by a dust removing belt 20 to form a triangular shape, the dust removing belt 20 divides the dust removing box 10 into an air inlet section, a dust removing section and an air outlet section, the driving roller 60 drives the dust removing belt 20 to circularly move in the dust removing box 10, the driven rollers 61 fix the movement track of the dust removing belt 20 in the dust removing box 10, a water storage device 13 is further disposed at the bottom of the dust removing box 10, water is contained in the water storage device 13, the water surface is immersed in the part below the center axis of the, the dust removing belt 20 moves towards the water storage device 13, namely the water surface direction, on the side close to the air inlet 12, the dust removing belt 20 moves towards the direction far away from the water storage device 13, namely the water surface direction, on the side close to the air outlet 11, the dust removing belt 20 moves towards the direction far away from the water surface direction, the gas containing VOC entering from the air inlet 12 passes through the moving dust removing belt 20 to realize primary dust removal, the dust removing belt 20 is provided with dust removing air holes, the dust removing air holes prevent dust from entering a dust removing area from an air inlet area, the dust adhered to the dust removing belt 20 goes downwards along with the dust removing belt 20 and enters the water storage device 13, the water storage device 13 washes the dust removing belt 20 and transfers the dust to water from the dust removing belt 20, so that the purpose of purifying air is achieved, meanwhile, the dust removing belt 20 can be cleaned, the water surface is immersed in the part below the center shaft of the driving, prevent to drive roller 60 pivoted motor and intake and play the safety guarantee effect, the tiny dust that gets into in the dust fall interval also can form certain free fall in this space, thereby old falls into the mesh that further realizes air-purifying in the aquatic, and the dust removal purpose is realized once more in the dust fall interval and the interval dust removal area 20 of air-out.
Specifically, the water jet 40 is arranged at one end, close to the driving roller 60, of the inner side of the dust removing belt 20, the water jet 40 sprays a dust removing water curtain towards the dust removing belt 20, a water inlet 41 and a linear water outlet 42 are formed in the water jet 40, the length of the linear water outlet 42 is not smaller than the width of the dust removing belt 20, the water jet 40 is arranged to spray the water curtain to the dust removing belt 20, the dust adhered to the dust removing belt 20 is washed by strong impact force of the water curtain, and blockage of dust removing air vents in the dust removing belt 20 is avoided.
Specifically, an air knife 50 is disposed at one end of the dust removal belt near the driving roller 60, the air knife 50 sprays a dewatering air flow towards the dust removal belt 20, an air inlet 51 and a linear air outlet 52 are disposed on the air knife 50, the length of the linear air outlet 52 is not smaller than the width of the dust removal belt 20, and the air knife 50 mainly washes away water carried on the dust removal belt 20 through the water air flow to dry the dust removal belt 20.
Specifically, a pricking roller 70 is arranged at one end of the outer side of the dust removing belt 20, which is close to the driving roller 60, the pricking roller 70 is attached to the dust removing belt 20, and densely distributed spikes are arranged on the dust removing belt 20, the spikes prick the dust removing belt 20 into dust removing air holes with the hole diameter smaller than 300 meshes, and the spikes arranged on the pricking roller 70 enable the dust removing belt 20 to form new dust removing air holes again, so that the dust removing air holes are formed in the dust removing belt 20 all the time, the working time of the dust removing belt 20 is prolonged, and the dust removing efficiency is improved.
Specifically, still rotate in the dust removal case 10 and be connected with a plurality of spacing rollers 30 that are used for supporting the motion of dust removal area 20, spacing roller 30 is at the equidistant distribution of circumference in dust removal area 20, and spacing roller 30 can weaken the deformation that the wind pressure that air intake 12 got into caused dust removal area 20 and influence the air purification effect.
Specifically, the front and rear side walls of the dust removing box 10 are provided with sealable access windows 15. The sealable access panel 15 is mainly used for observation and maintenance work, is sealed in the dust removal process, realizes the sealing of the dust removal box 10, and prevents the air containing VOC from leaking.
Specifically, a drain hole 14 is formed in the bottom of the water storage device 13, a valve is arranged at the drain hole 14, the valve of the drain hole 14 is closed during the dust removal work, water in the water storage device 13 cannot be discharged from the drain hole 14, and after the dust removal work is completed, the valve at the drain hole 14 is opened, so that the purposes of water drainage or water replacement are achieved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (10)

1. The utility model provides a get rid of dust collector who contains VOC gas, includes the dust removal case, its characterized in that: air outlet and air intake have been seted up on the wall of dust removal case left and right sides respectively the air outlet with be provided with between the air intake with dust removal case rotates the drive roller and the driven roller of connecting, the driven roller is located drive roller top and quantity set up to one at least the drive roller with be provided with the dust removal area on the driven roller, a plurality of dust removal bleeder vents have been seted up on the dust removal area, the bottom of dust removal case is provided with water storage device, the dust removal area is close to one side court of air intake water storage device's direction removes, the dust removal area is close to one side court of air outlet is kept away from water storage device's direction removes.
2. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: and a water knife is arranged at one end of the inner side of the dust removing belt, which is close to the driving roller.
3. The dust removing device for removing VOC-containing gas as claimed in claim 2, wherein: the water jet cutter is provided with a water inlet and a linear water outlet, and the length of the linear water outlet is not less than the width of the dust removing belt.
4. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: and an air knife is arranged at one end of the inner side of the dust falling belt, which is close to the driving roller.
5. The dust removing device for removing VOC-containing gas as claimed in claim 4, wherein: the air knife is provided with an air inlet hole and a linear air outlet hole, and the length of the linear air outlet hole is not less than the width of the dust removing belt.
6. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: the dedusting belt is characterized in that a hole pricking roller is arranged at one end, close to the driving roller, of the outer side of the dedusting belt, and the hole pricking roller is attached to the dedusting belt and provided with densely distributed sharp spines.
7. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: the dust removal incasement still rotates and is connected with a plurality of spacing rollers that are used for supporting the motion of dust removal area.
8. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: all be provided with on the wall of both sides around the dust removal case and seal up access hole.
9. The dust removing device for removing VOC-containing gas as claimed in claim 1, wherein: the bottom of the water storage device is provided with a drain hole.
10. The dust removing device for removing VOC-containing gas according to claim 9, wherein: and a valve is arranged at the position of the water drainage hole.
CN202010224827.6A 2020-03-26 2020-03-26 Dust removal device for removing VOC-containing gas Pending CN111389112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010224827.6A CN111389112A (en) 2020-03-26 2020-03-26 Dust removal device for removing VOC-containing gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010224827.6A CN111389112A (en) 2020-03-26 2020-03-26 Dust removal device for removing VOC-containing gas

Publications (1)

Publication Number Publication Date
CN111389112A true CN111389112A (en) 2020-07-10

Family

ID=71416531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010224827.6A Pending CN111389112A (en) 2020-03-26 2020-03-26 Dust removal device for removing VOC-containing gas

Country Status (1)

Country Link
CN (1) CN111389112A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858130A (en) * 1981-10-01 1983-04-06 Chiaki Hayata Apparatus for purifying exhaust gas of exhaust cylinder comprising double structure
DE3401875A1 (en) * 1984-01-20 1985-07-25 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Apparatus for separating-out solid aerosols and liquid aerosols or dusts
CN1548828A (en) * 2003-05-22 2004-11-24 彦 王 Air sterilizing and filtering apparatus for individual use or used in air conditioner and ventilating apparatus
CN104501307A (en) * 2014-11-13 2015-04-08 苏州博菡环保科技有限公司 Simulation air purifier
CN105032092A (en) * 2011-10-21 2015-11-11 长乐市丽智产品设计有限公司 Air filter
CN204952574U (en) * 2015-09-14 2016-01-13 江苏宏宇环境科技有限公司 Factory air purifier
CN106390631A (en) * 2016-12-01 2017-02-15 冯大兰 Dust filter
CN106552473A (en) * 2016-12-01 2017-04-05 冯大兰 A kind of filter
CN207546067U (en) * 2017-12-05 2018-06-29 广东澄宇实业有限公司 A kind of spraying coating cloud processing unit
CN108543353A (en) * 2018-06-27 2018-09-18 朱巧珍 A kind of coal mining dust-extraction unit
CN109126306A (en) * 2018-10-08 2019-01-04 亚都科技集团有限公司 The air purifier of automatic cleaning strainer
CN209828534U (en) * 2019-03-06 2019-12-24 常州国亮光电科技有限公司 Waste gas purification device for environmental protection engineering

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858130A (en) * 1981-10-01 1983-04-06 Chiaki Hayata Apparatus for purifying exhaust gas of exhaust cylinder comprising double structure
DE3401875A1 (en) * 1984-01-20 1985-07-25 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Apparatus for separating-out solid aerosols and liquid aerosols or dusts
CN1548828A (en) * 2003-05-22 2004-11-24 彦 王 Air sterilizing and filtering apparatus for individual use or used in air conditioner and ventilating apparatus
CN105032092A (en) * 2011-10-21 2015-11-11 长乐市丽智产品设计有限公司 Air filter
CN104501307A (en) * 2014-11-13 2015-04-08 苏州博菡环保科技有限公司 Simulation air purifier
CN204952574U (en) * 2015-09-14 2016-01-13 江苏宏宇环境科技有限公司 Factory air purifier
CN106390631A (en) * 2016-12-01 2017-02-15 冯大兰 Dust filter
CN106552473A (en) * 2016-12-01 2017-04-05 冯大兰 A kind of filter
CN207546067U (en) * 2017-12-05 2018-06-29 广东澄宇实业有限公司 A kind of spraying coating cloud processing unit
CN108543353A (en) * 2018-06-27 2018-09-18 朱巧珍 A kind of coal mining dust-extraction unit
CN109126306A (en) * 2018-10-08 2019-01-04 亚都科技集团有限公司 The air purifier of automatic cleaning strainer
CN209828534U (en) * 2019-03-06 2019-12-24 常州国亮光电科技有限公司 Waste gas purification device for environmental protection engineering

Similar Documents

Publication Publication Date Title
CN209020170U (en) A kind of anti-block apparatus of spray header in desulfurizing tower
CN112436799A (en) Solar photovoltaic panel with automatic cleaning function
CN109516135B (en) Dust removing system for conveyer belt
CN214019862U (en) Dust collecting equipment tower storehouse
CN220878129U (en) Filter box for laboratory
CN111701340B (en) Self-cleaning demister for wet desulphurization process
CN103816759A (en) Coaxial integrated multilayered centrifugal washing gas-clearing machine
CN104707462A (en) Method for removing ammonia and dust from exhaust gas generated during fertilizer preparation
CN111389112A (en) Dust removal device for removing VOC-containing gas
CN219177893U (en) Ventilation dust removal purification facility
CN210495614U (en) Tail gas absorption tower that utilizes in hypophosphorous acid course of working
CN105536409B (en) A kind of haze processing system
CN108905463A (en) A kind of Furniture manufacturing air pollution processing unit
CN208626991U (en) A kind of exhaust gas purification and treatment device
CN208856259U (en) Shuttle
CN216755951U (en) High leakproofness desulfurizing tower
CN205047331U (en) Air filter dust purification device
CN213761106U (en) Environment-friendly purification device for non-woven fabric processing workshop
CN104624020A (en) Method for removing hydrogen sulphide and solid dust in gas
CN210289674U (en) Wet dust removal system for coal mine gas pumping drainage drilling
CN114053861A (en) Atomizing spray desulfurizing tower
CN112023581A (en) Wet coal mine dust removal device and application method thereof
KR20010103823A (en) Cartridge filter cleaning System of Dust collector
CN112901249A (en) Air purification equipment for high-speed rail construction tunnel construction
CN112642252A (en) Spray tower injection apparatus based on dust removal efficient under new OG system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200710

RJ01 Rejection of invention patent application after publication