CN113003685A - Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment - Google Patents

Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment Download PDF

Info

Publication number
CN113003685A
CN113003685A CN202110298356.8A CN202110298356A CN113003685A CN 113003685 A CN113003685 A CN 113003685A CN 202110298356 A CN202110298356 A CN 202110298356A CN 113003685 A CN113003685 A CN 113003685A
Authority
CN
China
Prior art keywords
sedimentation tank
air
sewage treatment
fixedly connected
rotary
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
CN202110298356.8A
Other languages
Chinese (zh)
Inventor
刘义忠
鲍学明
陈晨
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.)
Yangzhou Jieyuan Discharge Water Co ltd
Original Assignee
Yangzhou Jieyuan Discharge Water 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 Yangzhou Jieyuan Discharge Water Co ltd filed Critical Yangzhou Jieyuan Discharge Water Co ltd
Priority to CN202110298356.8A priority Critical patent/CN113003685A/en
Publication of CN113003685A publication Critical patent/CN113003685A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention provides a rotary flocculation reagent adding device for a sedimentation tank for large-scale sewage treatment, and relates to the technical field of sewage treatment. This device is added to sedimentation tank rotation type flocculation medicament for large-scale sewage treatment, including the sedimentation tank body, the last fixed surface of sedimentation tank body is connected with the side and is followed, the upper surface that the side was followed passes through bolt and nut fixedly connected with backup pad, the upper surface of backup pad is provided with pneumatic cylinder and hydraulic pump, the output fixedly connected with mounting panel of pneumatic cylinder, the upper surface of mounting panel is provided with air compression equipment, dosing tank and gas holder. Carry the flocculating agent through using compressed air and follow the quick sewage that gets into of medicine spraying head through two helical air pipes that are 180 contained angles, because compressed air's effect makes sewage take place to rotate, make the flocculating agent mix into in the sewage rapidly fully simultaneously, the helical air pipe leaves sewage rapidly with medicine spraying head after compressed air lets in the sewage, avoids receiving the damage.

Description

Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a rotary flocculation reagent adding device for a sedimentation tank for large-scale sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The sewage treatment is widely applied to various industries and has great significance, wherein a sedimentation tank is required in the sewage treatment process, a flocculating agent is put into the sewage in the sedimentation tank, and the flocculating agent is used for reducing the potential of the sewage in an unstable state through the mutual approach of groups with positive (negative) electric property and particles or granules which are difficult to separate and have negative (positive) electric property and are difficult to separate in the water, and the particles are concentrated by utilizing the polymerization property and are separated by a physical or chemical method. The flocculant is required to be stirred in the feeding process, but the part of the stirring device in the sewage is easily corroded by the sewage and attached by sediments, so that the stirring device is very easy to damage, but the stirring device has to be used for ensuring the sufficient mixing of the flocculant, and the problem which needs to be solved for sewage treatment is urgently needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rotary flocculating agent adding device for a sedimentation tank for large-scale sewage treatment, which solves the contradiction that the part of a stirring device in sewage in the prior art is easy to damage and the flocculating agent has to be stirred.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a rotary flocculation reagent adding device of a sedimentation tank for large-scale sewage treatment comprises a sedimentation tank body, wherein the upper surface of the sedimentation tank body is fixedly connected with a side edge, the upper surface of the side edge is fixedly connected with a supporting plate through bolts and nuts, the upper surface of the supporting plate is provided with a hydraulic cylinder and a hydraulic pump, the output end of the hydraulic cylinder is fixedly connected with a mounting plate, the upper surface of the mounting plate is provided with an air compression device, a dosing tank and an air storage tank, and the side wall of the air storage tank is provided with a high-power quick release valve;
the upper portion threaded connection of dosing tank has the medicine case lid, the inner wall fixedly connected with support frame of dosing tank, the inside fixedly connected with jet-propelled head of support frame, the lower lateral wall of jet-propelled head is provided with two air jets, the interior bottom surface of dosing tank is provided with the riser, the first spiral trachea of lateral wall fixedly connected with and the second spiral trachea of dosing tank lower part, first spiral trachea and second spiral trachea each other are 180, the one end that dosing tank was kept away from to first spiral trachea and second spiral trachea is close to the inner wall of sedimentation cell body, and equal fixedly connected with spouts the medicine head, the surface that dosing tank one end was kept away from to first spiral trachea and second spiral trachea is provided with the shell, the inside of shell is provided with the electro-magnet, the shell is towards one side fixedly connected with brush of sedimentation cell body inner wall.
Preferably, ribbed plates are fixedly connected between the outer surface of the sedimentation tank body and the lower surfaces of the side edges, and the ribbed plates are distributed at equal intervals along the outer surface of the sedimentation tank body.
Preferably, the left side face of the mounting plate is provided with a control panel, and the hydraulic pump is located between the hydraulic cylinders.
Preferably, the air compression equipment, the dosing tank and the air storage tank are sequentially arranged from left to right, and a first vent pipe is arranged between the air compression equipment and the air storage tank.
Preferably, a second vent pipe is arranged between the outlet of the high-power quick release valve and the air nozzle, and the second vent pipe penetrates through the side wall of the dosing tank.
Preferably, the inside of the shell is provided with a storage battery and a control module.
Preferably, the vertical plate is positioned right below the air nozzle, and the two air nozzles are positioned on two sides of the vertical plate.
Preferably, the connecting parts of the first spiral air pipe and the second spiral air pipe with the dosing box are located on two sides of the vertical plate and are symmetrically distributed around the vertical plate.
The working principle is as follows: air is compressed by air compression equipment and then is filled into an air storage tank through a first vent pipe, a chemical tank cover is opened, a flocculating agent is added into a chemical dosing tank, the flocculating agent falls into two sides of a vertical plate through a support frame, a piston rod of a hydraulic cylinder retracts to drive a mounting plate to move downwards, the mounting plate can drive a raised structure to move downwards integrally, a brush can clean the inner wall of a sedimentation tank body, then an electromagnet is electrified and sucked on the sedimentation tank body from a control panel control module, the chemical dosing tank can drive a first spiral air pipe and a second spiral air pipe to enable a shell and a chemical spraying head to move downwards into sewage of the sedimentation tank body, then a high-power quick release valve is quickly opened, compressed air in the air storage tank is conveyed into an air spraying head through the second vent pipe and is quickly sprayed out of the air spraying head, the flocculating agent is carried by the action of the compressed air and sprayed out of, then control panel controls control module fast and makes the electro-magnet outage to make the pneumatic cylinder drive mounting panel and connection structure move up, make the medicine spraying head shift out the sewage liquid level of sedimentation tank body, the sewage in the sedimentation tank body promotes sewage through the compressed air who carries the flocculating agent and rotates, makes the flocculating agent intensive mixing go into in the sewage.
(III) advantageous effects
The invention provides a rotary flocculating agent adding device for a sedimentation tank for large-scale sewage treatment. The method has the following beneficial effects:
1. according to the invention, compressed air is used for carrying a flocculating agent and rapidly entering sewage from the pesticide spraying head through the two spiral air pipes with an included angle of 180 degrees, the sewage is rotated under the action of the compressed air, the flocculating agent is rapidly and fully mixed into the sewage, and the spiral air pipes and the pesticide spraying head rapidly leave the sewage after the compressed air is introduced into the sewage, so that the sewage is prevented from being damaged.
2. According to the invention, the attachments on the inner wall of the sedimentation tank body are cleaned through the brush in the downward moving process of the shell driven by the spiral air pipes, so that the electromagnet is convenient to adsorb, and after the electromagnet adsorbs, the shell can reduce the vibration of the pesticide spraying head and the end parts of the two spiral air pipes when the pesticide spraying head sprays compressed air, so that the damage is avoided.
3. The invention has simple integral structure, can be quickly installed in the sedimentation tank body and also can be quickly detached from the sedimentation tank body, is very convenient, has simple integral maintenance process which is several times that of the traditional stirring device, and is more economical to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a longitudinal cross-sectional view of the dosing box of the present invention;
FIG. 5 is a cross-sectional view of the dosing box of the present invention;
FIG. 6 is a schematic view of a housing of the present invention;
figure 7 is a schematic view of the outlet side of the spray head of the present invention.
Wherein, 1, a sedimentation tank body; 2. a rib plate; 3. a side edge; 4. a support plate; 5. a hydraulic cylinder; 6. a hydraulic pump; 7. mounting a plate; 8. a control panel; 9. an air compression device; 10. a dosing box; 11. a medicine box cover; 12. a high-power quick release valve; 13. a gas storage tank; 14. a first spiral gas pipe; 15. a second spiral gas pipe; 16. a housing; 17. a brush; 18. a pesticide spraying head; 19. a first vent pipe; 20. a second vent pipe; 21. a gas showerhead; 22. a support frame; 23. a vertical plate; 24. an air jet; 25. an electromagnet; 26. a storage battery; 27. and a control module.
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.
Example (b):
as shown in fig. 1-7, an embodiment of the present invention provides a rotary flocculation reagent adding apparatus for a large-scale sedimentation tank for sewage treatment, including a sedimentation tank body 1 made of ferrous material, a side wall of the sedimentation tank body 1 is cylindrical, a side edge 3 is fixedly connected to an upper surface of the sedimentation tank body 1, a support plate 4 is fixedly connected to an upper surface of the side edge 3 through bolts and nuts, a hydraulic cylinder 5 and a hydraulic pump 6 are arranged on an upper surface of the support plate 4, the hydraulic pump 6 is located between the hydraulic cylinders 5, the hydraulic pump 6 is used for pushing the mounting plate 7 to move up and down, an output end of the hydraulic cylinder 5 is fixedly connected to the mounting plate 7, a control panel 8 is arranged on a left side surface of the mounting plate 7, and can send a control command to a control module 27, an air compression device 9, a dosing tank 10 and an air storage tank 13 are arranged on, the side wall of the air storage tank 13 is provided with a high-power quick release valve 12 which can be opened quickly to introduce the compressed air in the air storage tank 13 into the air nozzle 21 from the second vent pipe 20;
the upper part of the dosing box 10 is in threaded connection with a box cover 11, after the dosing box is opened, a flocculating agent for sewage treatment can be added into the dosing box 10, the box cover 11 must be tightly covered after compressed air is introduced, the inner wall of the dosing box 10 is fixedly connected with a support frame 22 for supporting a gas nozzle 21, the inside of the support frame 22 is fixedly connected with the gas nozzle 21, a cavity is arranged in the support frame 22, compressed air is conveniently sprayed out from two gas nozzles 24, the lower side wall of the gas nozzle 21 is provided with two gas nozzles 24, the sprayed compressed air respectively blows the flocculating agent into a first spiral gas pipe 14 and a second spiral gas pipe 15 from two sides of the vertical plate 23, the inner bottom surface of the dosing box 10 is provided with vertical plates 23 for dividing the flocculating agent into two sides, the upper end sections of the vertical plates are isosceles trapezoids, the air sprayed out of the two gas nozzles 24 can conveniently reach the two sides of the vertical plates 23, the vertical plates, the side wall of the lower part of the dosing tank 10 is fixedly connected with a first spiral air pipe 14 and a second spiral air pipe 15, an air flow track for compressed air carrying a flocculating agent to enter the sedimentation tank body 1 is provided, and both are rigid pipes capable of bearing air pressure of at least 5Mpa, the first spiral air pipe 14 and the second spiral air pipe 15 are mutually 180 degrees, one end of the first spiral air pipe 14 and the second spiral air pipe 15 far away from the dosing tank 10 is close to the inner wall of the sedimentation tank body 1, and are fixedly connected with a pesticide spraying head 18, after the compressed air carrying the flocculating agent is sprayed out from the pesticide spraying head 18 to enter the sedimentation tank body 1, the sewage of the sedimentation tank body 1 is pushed to rotate under the action of the air flow and the flocculating agent, so that the flocculating agent is better mixed into the sewage, the connecting parts of the first spiral air pipe 14 and the second spiral air pipe 15 and the dosing tank 10 are positioned at both sides of a vertical plate 23 and are symmetrically distributed about the vertical plate 23, the outer surface, the inside of shell 16 is provided with battery 26 and control module 27, and the inside of shell 16 is provided with electro-magnet 25, can adsorb on sedimentation tank body 1 after control module 27 control electro-magnet 25 circular telegram, and the in-process brush 17 of up-and-down motion at mounting panel 7 can be with the attachment clearance of sedimentation tank body 1 inner wall, and one side fixedly connected with brush 17 of shell 16 towards sedimentation tank body 1 inner wall.
Rib plates 2 are fixedly connected between the outer surface of the sedimentation tank body 1 and the lower surface of the side edge 3, the strength of the side edge 3 is improved, and the rib plates 2 are distributed at equal intervals along the outer surface of the sedimentation tank body 1.
The air compression equipment 9, the dosing tank 10 and the air storage tank 13 are sequentially arranged from left to right, a first vent pipe 19 is arranged between the air compression equipment 9 and the air storage tank 13, a second vent pipe 20 is arranged between an outlet of the high-power quick release valve 12 and an air nozzle 21, and the second vent pipe 20 penetrates through the side wall of the dosing tank 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a device is added to large-scale for sewage treatment sedimentation tank rotation type flocculation medicament, includes sedimentation tank body (1), its characterized in that: the sedimentation tank is characterized in that a side edge (3) is fixedly connected to the upper surface of the sedimentation tank body (1), a supporting plate (4) is fixedly connected to the upper surface of the side edge (3) through bolts and nuts, a hydraulic cylinder (5) and a hydraulic pump (6) are arranged on the upper surface of the supporting plate (4), an output end of the hydraulic cylinder (5) is fixedly connected with a mounting plate (7), air compression equipment (9), a dosing tank (10) and an air storage tank (13) are arranged on the upper surface of the mounting plate (7), and a high-power quick release valve (12) is arranged on the side wall of the air storage tank (13); the upper part of the dosing tank (10) is in threaded connection with a tank cover (11), the inner wall of the dosing tank (10) is fixedly connected with a support frame (22), the inside of the support frame (22) is fixedly connected with an air nozzle (21), the lower side wall of the air nozzle (21) is provided with two air nozzles (24), the inner bottom surface of the dosing tank (10) is provided with a vertical plate (23), the side wall of the lower part of the dosing tank (10) is fixedly connected with a first spiral air pipe (14) and a second spiral air pipe (15), the first spiral air pipe (14) and the second spiral air pipe (15) are mutually 180 degrees, one ends of the first spiral air pipe (14) and the second spiral air pipe (15) far away from the dosing tank (10) are close to the inner wall of the sedimentation tank body (1) and are both fixedly connected with a medicine spraying head (18), and the outer surfaces of the first spiral air pipe (14) and the second spiral air pipe (15) far away from one end of the, an electromagnet (25) is arranged inside the shell (16), and a brush (17) is fixedly connected to one side, facing the inner wall of the sedimentation tank body (1), of the shell (16).
2. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: the sedimentation tank is characterized in that a rib plate (2) is fixedly connected between the outer surface of the sedimentation tank body (1) and the lower surface of the side edge (3), and the rib plate (2) is equidistantly distributed along the outer surface of the sedimentation tank body (1).
3. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: the left side face of mounting panel (7) is provided with control panel (8), hydraulic pump (6) are located between pneumatic cylinder (5).
4. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: the air compression equipment (9), the dosing tank (10) and the air storage tank (13) are sequentially arranged from left to right, and a first vent pipe (19) is arranged between the air compression equipment (9) and the air storage tank (13).
5. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: a second vent pipe (20) is arranged between the outlet of the high-power quick release valve (12) and the air nozzle (21), and the second vent pipe (20) penetrates through the side wall of the dosing box (10).
6. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: a storage battery (26) and a control module (27) are arranged in the shell (16).
7. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: the vertical plate (23) is positioned under the air nozzle (21), and the two air nozzles (24) are positioned on two sides of the vertical plate (23).
8. The rotary flocculation reagent adding device of the sedimentation tank for large-scale sewage treatment as claimed in claim 1, wherein: the connecting parts of the first spiral air pipe (14) and the second spiral air pipe (15) and the dosing box (10) are positioned on two sides of the vertical plate (23) and are symmetrically distributed relative to the vertical plate (23).
CN202110298356.8A 2021-03-19 2021-03-19 Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment Pending CN113003685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110298356.8A CN113003685A (en) 2021-03-19 2021-03-19 Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110298356.8A CN113003685A (en) 2021-03-19 2021-03-19 Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment

Publications (1)

Publication Number Publication Date
CN113003685A true CN113003685A (en) 2021-06-22

Family

ID=76403673

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110298356.8A Pending CN113003685A (en) 2021-03-19 2021-03-19 Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment

Country Status (1)

Country Link
CN (1) CN113003685A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114249499A (en) * 2021-12-24 2022-03-29 王星方 Building material production integrated sewage treatment device and use method thereof
CN115028230A (en) * 2022-06-23 2022-09-09 南通全昂等离子体科技有限公司 Plasma type purification washing deodorization system for sewage treatment plant

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200967774Y (en) * 2006-09-22 2007-10-31 林衍 Oxygenating rotary ejector
CN205472916U (en) * 2016-01-08 2016-08-17 江苏暨明医药科技有限公司 Energy -concerving and environment -protective processing medicine production aeration equipment for sewage
US20170043281A1 (en) * 2015-08-10 2017-02-16 Doosan Heavy Industries & Construction Co., Ltd. High-rate sedimentation tank and water treatment apparatus including the same
CN206203964U (en) * 2016-11-04 2017-05-31 芜湖华衍水务有限公司 A kind of gas rushes eddy flow and helps solidifying chemicals dosing plant
CN109019804A (en) * 2018-09-26 2018-12-18 李明红 A kind of deep and thorough administration device of Industrial Waste Water Treatments tower sewage flocks
CN209481209U (en) * 2018-12-25 2019-10-11 杨志益 A kind of coke-oven plant's flue gas desulfurization waste-water processing unit
CN211216505U (en) * 2019-10-24 2020-08-11 西安寒武纪石油科技有限公司 Sampling device of gravity-free double-helix mixer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200967774Y (en) * 2006-09-22 2007-10-31 林衍 Oxygenating rotary ejector
US20170043281A1 (en) * 2015-08-10 2017-02-16 Doosan Heavy Industries & Construction Co., Ltd. High-rate sedimentation tank and water treatment apparatus including the same
CN205472916U (en) * 2016-01-08 2016-08-17 江苏暨明医药科技有限公司 Energy -concerving and environment -protective processing medicine production aeration equipment for sewage
CN206203964U (en) * 2016-11-04 2017-05-31 芜湖华衍水务有限公司 A kind of gas rushes eddy flow and helps solidifying chemicals dosing plant
CN109019804A (en) * 2018-09-26 2018-12-18 李明红 A kind of deep and thorough administration device of Industrial Waste Water Treatments tower sewage flocks
CN209481209U (en) * 2018-12-25 2019-10-11 杨志益 A kind of coke-oven plant's flue gas desulfurization waste-water processing unit
CN211216505U (en) * 2019-10-24 2020-08-11 西安寒武纪石油科技有限公司 Sampling device of gravity-free double-helix mixer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114249499A (en) * 2021-12-24 2022-03-29 王星方 Building material production integrated sewage treatment device and use method thereof
CN115028230A (en) * 2022-06-23 2022-09-09 南通全昂等离子体科技有限公司 Plasma type purification washing deodorization system for sewage treatment plant

Similar Documents

Publication Publication Date Title
CN113003685A (en) Rotary flocculation reagent adding device of sedimentation tank for large-scale sewage treatment
CN112076614A (en) Desulfurization absorption device for needle coke production process
CN112246552B (en) A pipeline inner wall anticorrosive treatment equipment for pipeline processing
CN206090432U (en) Multi -functional dirt watering lorry that presses down
CN102744687A (en) Special sponge grinding material spraying device
CN216549936U (en) Sewage treatment device
CN203737643U (en) Automatic cleaning device for tamping device
CN210935517U (en) Water-rotating large-scale paint spray booth
CN211436685U (en) Inside and outside spraying equipment for pipe production
CN211497179U (en) Intelligent industrial circulating water treatment system
CN212575996U (en) Spray tower for chemical tail gas treatment
CN213791653U (en) Reation kettle with self-cleaning function
CN213995311U (en) Waste gas treatment device is used in TPE plastics production
CN213258765U (en) A rust cleaning device that is used for hoist production in-process panel raw materials
CN206844034U (en) A kind of civil engineering depositing dust spray system
CN210410105U (en) Solute adsorption equipment for organic waste gas treatment
CN218132649U (en) Sewage treatment agent sprinkler
CN220990237U (en) Device for treating UV paint mist organic waste gas by powdery activated carbon
CN217450604U (en) Auxiliary equipment is spouted in supplementary of electric motor car frame coating
CN215462937U (en) Spraying device is administered to mine geological environment
CN212980145U (en) Cleaning device for stirring station
CN211803054U (en) Heavy metal contaminated soil prosthetic devices
CN211074138U (en) Waste recovery device for concrete processing
CN220424913U (en) Spray dust device
CN220195216U (en) Rust-proof spraying device for mechanical parts

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210622

WD01 Invention patent application deemed withdrawn after publication