CN205200116U - Spiral welded steel pipe ion cutting smoke and dust processing system - Google Patents

Spiral welded steel pipe ion cutting smoke and dust processing system Download PDF

Info

Publication number
CN205200116U
CN205200116U CN201521036331.7U CN201521036331U CN205200116U CN 205200116 U CN205200116 U CN 205200116U CN 201521036331 U CN201521036331 U CN 201521036331U CN 205200116 U CN205200116 U CN 205200116U
Authority
CN
China
Prior art keywords
dust
steel pipe
suction
suction port
spiral welded
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.)
Withdrawn - After Issue
Application number
CN201521036331.7U
Other languages
Chinese (zh)
Inventor
刘伟
马小兵
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.)
Ziyang Petroleum Steel Pipe Co Ltd
Original Assignee
Ziyang Petroleum Steel Pipe 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 Ziyang Petroleum Steel Pipe Co Ltd filed Critical Ziyang Petroleum Steel Pipe Co Ltd
Priority to CN201521036331.7U priority Critical patent/CN205200116U/en
Application granted granted Critical
Publication of CN205200116U publication Critical patent/CN205200116U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an enough avoid the spiral welded steel pipe ion cutting smoke and dust processing system that the smoke and dust is dispersed, the commonality is good. Spiral welded steel pipe ion cutting smoke and dust processing system includes: suction hood, dust removing host, hair -dryer, rigidity are removed dust and are managed, the suction hood lower surface sets up two dust absorption mouths at least, the length direction evenly distributed of suction hood is followed to the dust absorption mouth, the lower surface of suction hood sets up the soft curtain of fire prevention all around, dust removing host has the air exit, the dust absorption is responsible for, the intercommunication is responsible for through the pipe that removes dust with the dust absorption to the dust absorption mouth of suction hood, the dust absorption mouth and the pipe one -to -one that removes dust, it is provided with the valve to remove dust to manage, the hair -dryer is located the one end of steel pipe, to blowing in the steel pipe, the other end of steel pipe is located the dust absorption mouth below of suction hood, and is located the region that the soft curtain of fire prevention encloses. Adopt this smoke and dust processing system can reduce the smoke and dust and pass through the resistance, improve dust absorption efficiency.

Description

Spiral welded steel pipe ion cutting dust treatment system
Technical field
The utility model relates to welding filed of flue gas purification, especially a kind of spiral welded steel pipe ion cutting dust treatment system of fume recovery of generation when the spiral welded pipe of motion can be carried out plasma cut.
Background technology
Known: the pollutant kind produced in welding process is many, harm is large, can cause the generation of multiple occupational disease (as welder's silicosis, manganese poisoning, electric ophthalmia etc.).
What current spiral welded pipe plasma cut recovery station was the most frequently used has three kinds, 2# beam position (afterbody), and in the middle part of steel pipe (middle part), steel pipe head (head) respectively as shown in Figure 1, 2, 3.
The first as shown in Figure 1, it is a kind of dust suction position generally adopted at present, principle is for arrange a hair-dryer 7 at steel pipe 6 head, adopt the mode of " one end blow one end inhale " will cut flue dust to blow out from steel pipe 2# beam position, by dust sucting pipeline (or dust shield 1), smoke catching is purified rear discharge by main dust removal machine 2.This mode, flue dust disperses, and dust-absorbing rate is low, and Tiao Xinghuan road will make suitable pipeline (or dust shield) and just can meet the demands.In addition, flue dust also can pollute the equipment such as interior weldering welding gun, travelling car, shaping pony roll, especially affects the accuracy of soldering joint automatic tracking, easily causes to follow the tracks of to lose efficacy.Therefore result of use is poor.
The second as shown in Figure 2, this dust suction position seldom uses at present, principle is for arrange two frequency conversion hair-dryers 7 at steel pipe 6 two ends, adopt the mode of " two blow a suction ", flue dust will be cut by control hair-dryer 7 air quantity and wind direction to discharge from steel pipe 6 incision, collected by top dust shield 1, discharge finally by after main dust removal machine 2 purified treatment.The selection of this position, difficult point is that dust exhaust apparatus and cutter sweep 5 interfere, impact operation.In addition, in steel pipe 6 cutting process, otch is less, and being difficult to flue dust to control in steel pipe and flowing out from otch, steel pipe 6 two ends have volume of smoke and emerge, and especially when steel pipe 6 caliber, length, speed of welding change, are difficult to realize.This mode is not used in spiral welded pipe enterprise at present.
The third as shown in Figure 3, this dust suction position, because flue dust collecting mouth is with before steel pipe and then need mobile, nearly all pipe enterprise all adopts movement type dust suction cover 1, its difficult point is that motion limit, steel pipe 6 limit absorbs, both synchronous stability requirements are high, and section of tubing is flexible pipe connection, and pipeline extension, bending all can affect pick-up performance.Current this dust suction mode equipment failure rate is high, poor effect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly can improve efficiency of dust collection, avoid the spiral welded steel pipe ion cutting dust treatment system that flue dust disperses, versatility is good.
The utility model solves the technical scheme that its technical problem adopts: spiral welded steel pipe ion cutting dust treatment system, comprising: dust shield, main dust removal machine, hair-dryer; Also comprise rigidity dust removing tube;
Described dust shield lower surface at least arranges two suction ports; Described suction port is uniformly distributed along the length direction of dust shield; The lower surface surrounding of described dust shield is provided with the soft curtain of fire prevention; Described main dust removal machine has exhaust outlet, dust suction supervisor;
The suction port of described dust shield to be responsible for dust suction by dust removing tube and to be communicated with; Described suction port and dust removing tube one_to_one corresponding; Described dust removing tube is provided with valve; Described hair-dryer is positioned at one end of steel pipe, dries in steel pipe, and the other end of described steel pipe is positioned at below the suction port of dust shield, and is positioned at the region that surrounds of the soft curtain of fire prevention.
Further, described suction port has six; Described dust shield comprises the upper and lower; The upper strata of described dust shield is dust absorption passage, and described suction port is arranged on the lower floor of dust shield, and is communicated with the dust absorption passage on upper strata; Described dust removing tube and suction port one_to_one corresponding, the upper strata dust absorption passage connection that described dust removing tube one end is corresponding with suction port, the other end is responsible for dust suction and is communicated with.
Further, described main dust removal machine comprises lauter tub, and described lauter tub adopts PTFE-overlay film polyester fiber filter cylinder; Described lauter tub one end is responsible for dust suction and is communicated with, and the other end is communicated with exhaust outlet.
Further, described spiral welded steel pipe ion cutting dust treatment system, also comprises compressed air system, is provided with back-blowing device in described main dust removal machine, described back-blowing device and lauter tub one_to_one corresponding; Described back-blowing device provides purge gas by compressed air system.
Further, described compressed air system comprises air compressor machine, gas and oil separating plant, front device, air dry-set, precise filtering device, ultraprecise filter; Described air after being compressed by air compressor machine successively through gas and oil separating plant, front device, air dry-set, precise filtering device, ultraprecise filter.
Preferably, described air dry-set adopts low-grade fever adsorption type drying machine.
Further, described main dust removal machine also comprises ash bucket, and described ash bucket is positioned at below lauter tub.
The beneficial effects of the utility model are: spiral welded steel pipe ion cutting dust treatment system described in the utility model, at least arranges two suction ports at the lower surface of dust shield; Described suction port is uniformly distributed along the length direction of dust shield; Thus expansion suction area, solve steel pipe motion and the nonsynchronous problem of dust suction change in location.Installing the soft curtain of fire prevention in the surrounding of dust shield lower surface prevents flue dust from scattering.Again by adopting the dust removing tube of rigidity to be communicated with suction port and dust suction supervisor, thus removal flexible pipe connects, and reduces flue dust by resistance, improves dust collection efficiency.Spiral welded steel pipe ion cutting dust treatment system described in the utility model, the design of this fixed dust shield and pipeline, avoid dust shield change, mobile, wherein pipe section connects without flexible pipe and can avoid pipeline extension, bends impact on pick-up performance.Simultaneously owing to being provided with multiple suction port, therefore can, according to Pipe Cutting length opening and closing suction port, make full use of suction air volume, and windage loss be less.
Accompanying drawing explanation
Fig. 1 is that traditional dust suction position adopts sweep-up pipe to extend into the schematic diagram of the dust treatment system of carrying out dust suction in steel pipe when 2# beam position (afterbody);
Fig. 2 is that traditional steel pipe two ends when steel pipe medium position, dust suction position are provided with the schematic diagram of the dust treatment system of hair-dryer;
Fig. 3 is the schematic diagram of traditional dust suction position moveable dust treatment system of dust shield when going out pipe direction and steel pipe head position;
Fig. 4 is the schematic diagram of spiral welded steel pipe ion cutting dust treatment system in the utility model embodiment;
Fig. 5 is the structural representation arranging back-blowing device in the utility model embodiment in main dust removal machine;
Indicate in figure: 1-dust shield, 11-prevents fires soft curtain, 2-main dust removal machine, 21-lauter tub, 22-ash bucket, 23-back-blowing device, 24-exhaust outlet, 3-dust removing tube, 31-valve.4-dust suction is responsible for, 5-cutter sweep, 6-steel pipe, 7-hair-dryer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 4, spiral welded steel pipe ion cutting dust treatment system described in the utility model, comprising: dust shield 1, main dust removal machine 2, hair-dryer 7; Described spiral welded steel pipe ion cutting dust treatment system, also comprises rigidity dust removing tube 3;
Described dust shield 1 lower surface at least arranges two suction ports; Described suction port is uniformly distributed along the length direction of dust shield 1; The lower surface surrounding of described dust shield 1 is provided with the soft curtain 11 of fire prevention; Described main dust removal machine 2 has exhaust outlet 24, dust suction supervisor 4; The suction port of described dust shield 1 is responsible for 4 by dust removing tube 3 with dust suction and is communicated with, described suction port and dust removing tube 3 one_to_one corresponding; Described dust removing tube 3 is provided with valve 31; Described hair-dryer 7 is positioned at one end of steel pipe 6, and dry in steel pipe 6, the other end of described steel pipe 6 is positioned at below the suction port of dust shield 1, and is positioned at the region that surrounds of the soft curtain 11 of fire prevention.
Because described dust shield 1 lower surface at least arranges two suction ports; Described suction port is uniformly distributed along the length direction of dust shield 1; Multiple suction port is set on the little surface of dust shield 1, thus can suction area be increased, solve steel pipe motion and the nonsynchronous problem of dust suction change in location.Simultaneously because the lower surface surrounding of described dust shield 1 arranges the soft curtain 11 of fire prevention; Therefore, when being placed in by steel pipe 6 in the region that surrounds of the soft curtain 11 of fire prevention, the diffusion of the flue gas come up in steel pipe 6 can be prevented.
Described suction port and dust removing tube 3 one_to_one corresponding refer to a corresponding dust removing tube 3 of suction port.Suction port due to described dust shield 1 is responsible for 4 by dust removing tube 3 with dust suction and is communicated with, suction port and dust removing tube 3 one_to_one corresponding, dust removing tube 3 is provided with valve 31 simultaneously.Therefore can pass through by-pass valve control 31, control the independent opening and closing of each dust removal port.
Suction port due to described dust shield 1 is responsible for 4 by the dust removing tube 3 of rigidity with dust suction and is communicated with, thus removes flexible pipe connection, reduces flue dust by resistance, improves dust collection efficiency.
In the process of work:
First hair-dryer 7 is placed on the head of steel pipe 6, below the suction port then afterbody of steel pipe 6 being placed on dust shield 1, and is positioned at the region that the soft curtain 11 of fire prevention surrounds.
While cutter sweep 5 pipe cutting 6, start hair-dryer 7 and main dust removal machine 2, and by-pass valve control 31 makes the valve open that steel pipe 6 upper rear suction port is corresponding, suction port is responsible for the dust suction of main dust removal machine 2 and is communicated with, the flue gas that suction port starts cutting produces absorbs.Simultaneously because steel pipe 6 is when carrying out the cutting of spiral welded ion, head will be moved, and therefore when steel pipe 6 head moves to next suction port, close previous suction port, and by-pass valve control 31 makes the suction port of now steel pipe 6 above-head open; Thus steel pipe motion and the nonsynchronous problem of dust suction change in location can be solved.
During owing to absorbing at the flue dust produced steel pipe 6 cutting, be the below head of steel pipe 6 being placed on dust shield 1, and be positioned at the region that surrounds of the soft curtain 11 of fire prevention.Therefore, it is possible to increase the versatility of spiral welded steel pipe ion cutting dust treatment system, do not need to make suitable pipeline when Tiao Xinghuan road or dust shield 1 just can meet the demands.
In sum, spiral welded steel pipe ion cutting dust treatment system described in the utility model, at least arranges two suction ports at the lower surface of dust shield 1; Described suction port is uniformly distributed along the length direction of dust shield 1; Thus expansion suction area, solve steel pipe 6 and move and the nonsynchronous problem of dust suction change in location.Installing the soft curtain 11 of fire prevention in the surrounding of dust shield 1 lower surface prevents flue dust from scattering.Again by adopting the dust removing tube 3 of rigidity to be communicated with suction port and dust suction supervisor 4, thus removing flexible pipe connection, reducing flue dust by resistance, improving dust collection efficiency.Spiral welded steel pipe ion cutting dust treatment system described in the utility model, the design of this fixed dust shield 1 and pipeline, avoid dust shield 1 to change, move, wherein pipe section connects without flexible pipe, and pipeline extension, bending can be avoided all on the impact of pick-up performance.Simultaneously owing to being provided with multiple suction port, therefore can, according to Pipe Cutting length opening and closing suction port, make full use of suction air volume, and windage loss be less.
In order to further increase suction area, further, described suction port has six; Described dust shield 1 comprises the upper and lower; The upper strata of described dust shield 1 is dust absorption passage, and described suction port is arranged on the lower floor of dust shield 1, and is communicated with the dust absorption passage on upper strata; Described dust removing tube 3 and suction port one_to_one corresponding, the upper strata dust absorption passage connection that described dust removing tube 3 one end is corresponding with suction port, the other end and dust suction are responsible for 4 and are communicated with.
Concrete, when carrying out spiral welded steel pipe ion cutting dust treatment to the steel pipe of 8-13 rice long size, the design of described dust shield 1 is as follows: the fixed dust shield 1 of spiral welded steel pipe head design one, the suction port that dust shield 1 top dust absorption passage underlying design 6 300mm × 300m are uniform, every 1.2 meters of designs one, according to steel pipe length 8-13 rice and dimensionally-optimised, dust shield 1 size is defined as 7.5 meters.This design can expand suction area, solves steel pipe motion and the nonsynchronous problem of dust suction change in location, and surrounding loads onto the soft curtain 11 of fire prevention, prevents flue dust from scattering.
In order to improve the service life of lauter tub 21, further, described main dust removal machine 2 comprises lauter tub 21, and described lauter tub 21 adopts PTFE filter cylinder; Described lauter tub one end and dust suction are responsible for 4 and are communicated with, and the other end is communicated with exhaust outlet 24.Lauter tub material is selected, and adopt band PTFE-overlay film polyester fiber filter cylinder, can dust in surface, reduce the cohesive force of filter cylinder surface attachments, extends lauter tub service life.
As shown in Figure 5, cleaning for the ease of lauter tub 21, improves the service life of lauter tub 21 simultaneously, further, spiral welded steel pipe ion cutting dust treatment system, also comprises compressed air system, back-blowing device 23 is provided with, described back-blowing device and lauter tub 21 one_to_one corresponding in described main dust removal machine 2; Described back-blowing device 23 provides purge gas by compressed air system.Back-blowing device is set in main dust removal machine 2, thus can cleans lauter tub 21, avoid laying dust on lauter tub 21 too much to lose efficacy.
Smoke purifying equipment requires strict to compressed air, residual oil content <0.001ppm, de-water ratio >=99%, grit footpath <0.01um.The compressed air oil-containing that production scene uses, water are heavier, cannot meet this equipment requirement.The clean level of blowback source of the gas, directly determines the service life of fume recovery efficiency and lauter tub.In order to further extend the service life of lauter tub, further, described compressed air system comprises air compressor machine, gas and oil separating plant, pre-filtering device, air dry-set, precise filtering device, ultraprecise filter; Described air after being compressed by air compressor machine successively through gas and oil separating plant, front device, air dry-set, precise filtering device, ultraprecise filter.This Pyatyi filtration treatment system has the features such as compact conformation, the rear compressed air quality of process is good, the oil-containing water yield is few.
Concrete, described gas and oil separating plant adopts Chinese Guangdong, Guangzhou HYF-3 oil water separator; Described pre-filtering device structure is plain filter structure, mainly contains that pressure difference indicator, multistage deep fibre filtration are cotton, the fluid level indicator of thermosetting resin material, and Main Function is moisture content in filtered air and bulky grain thing, and filtering accuracy is 1.0 μm/ppm.Described air dry-set adopts Chinese Guangdong, Guangzhou HAD-3MXFTZ low-grade fever adsorption type drying machine.Described precise filtering device adopts Chinese Guangdong, Guangzhou HFAA-004 accurate filter.The source of the gas adopting above-mentioned compressed air system to obtain can make residual oil content <0.001ppm, de-water ratio >=99%, the gas of grit footpath <0.01um carries out blowback to lauter tub, therefore this source of the gas degree of purity is higher, adopt this source of the gas to carry out blowback to lauter tub, the service life of fume recovery efficiency and lauter tub can be improved.
In order to realize the collection to dust, dust is avoided to be scattered; Further, described main dust removal machine 2 also comprises ash bucket 22, and described ash bucket 22 is positioned at below lauter tub 21.

Claims (7)

1. spiral welded steel pipe ion cutting dust treatment system, comprising: dust shield (1), main dust removal machine (2), hair-dryer (7); It is characterized in that: also comprise rigidity dust removing tube (3);
Described dust shield (1) lower surface at least arranges two suction ports; Described suction port is uniformly distributed along the length direction of dust shield (1); The lower surface surrounding of described dust shield (1) is provided with the soft curtain of fire prevention (11); Described main dust removal machine (2) has exhaust outlet (24), dust suction supervisor (4);
The suction port of described dust shield (1) is responsible for (4) by dust removing tube (3) and is communicated with dust suction, described suction port and dust removing tube (3) one_to_one corresponding; Described dust removing tube (3) is provided with valve (31); Described hair-dryer (7) is positioned at one end of steel pipe (6), blowing in steel pipe (6), the other end of described steel pipe (6) is positioned at below the suction port of dust shield (1), and is positioned at fire prevention soft curtain (11) region that surrounds.
2. spiral welded steel pipe ion cutting dust treatment system as claimed in claim 1, is characterized in that: described suction port has six; Described dust shield (1) comprises the upper and lower; The upper strata of described dust shield (1) is dust absorption passage, and described suction port is arranged on the lower floor of dust shield (1), and is communicated with the dust absorption passage on upper strata; Described dust removing tube (3) and suction port one_to_one corresponding, the upper strata dust absorption passage connection that described dust removing tube (3) one end is corresponding with suction port, the other end is responsible for (4) and is communicated with dust suction.
3. spiral welded steel pipe ion cutting dust treatment system as claimed in claim 2, it is characterized in that: described main dust removal machine (2) comprises lauter tub (21), described lauter tub (21) adopts PTFE-overlay film polyester fiber filter cylinder; Described lauter tub (21) one end is responsible for (4) and is communicated with dust suction, the other end is communicated with exhaust outlet (24).
4. spiral welded steel pipe ion cutting dust treatment system as claimed in claim 3, it is characterized in that: also comprise compressed air system, back-blowing device (23) is provided with, described back-blowing device (23) and lauter tub (21) one_to_one corresponding in described main dust removal machine (2); Described back-blowing device (23) provides purge gas by compressed air system.
5. spiral welded steel pipe ion cutting dust treatment system as claimed in claim 4, is characterized in that: described compressed air system comprises air compressor machine, gas and oil separating plant, pre-filtering device, air dry-set, precise filtering device, ultraprecise filter; Described air after being compressed by air compressor machine successively through gas and oil separating plant, front device, air dry-set, precise filtering device, ultraprecise filter.
6. spiral welded steel pipe ion cutting dust treatment system as claimed in claim 5, is characterized in that: described air dry-set adopts low-grade fever adsorption type drying machine.
7. the spiral welded steel pipe ion cutting dust treatment system as described in claim 1-6 any one claim, it is characterized in that: described main dust removal machine (2) also comprises ash bucket (22), described ash bucket (22) is positioned at lauter tub (21) below.
CN201521036331.7U 2015-12-14 2015-12-14 Spiral welded steel pipe ion cutting smoke and dust processing system Withdrawn - After Issue CN205200116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521036331.7U CN205200116U (en) 2015-12-14 2015-12-14 Spiral welded steel pipe ion cutting smoke and dust processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521036331.7U CN205200116U (en) 2015-12-14 2015-12-14 Spiral welded steel pipe ion cutting smoke and dust processing system

Publications (1)

Publication Number Publication Date
CN205200116U true CN205200116U (en) 2016-05-04

Family

ID=55837857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521036331.7U Withdrawn - After Issue CN205200116U (en) 2015-12-14 2015-12-14 Spiral welded steel pipe ion cutting smoke and dust processing system

Country Status (1)

Country Link
CN (1) CN205200116U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414141A (en) * 2015-12-14 2016-03-23 资阳石油钢管有限公司 Spiral-welded steel pipe ion cutting smoke treatment system and method
CN107648954A (en) * 2017-09-30 2018-02-02 江苏金石研磨有限公司 A kind of ceramic grinding media rolls formation system Wind Volume dust collecting system
CN115624832A (en) * 2022-09-13 2023-01-20 中建五局(烟台)建设工程有限公司 High altitude dust device for green construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105414141A (en) * 2015-12-14 2016-03-23 资阳石油钢管有限公司 Spiral-welded steel pipe ion cutting smoke treatment system and method
CN107648954A (en) * 2017-09-30 2018-02-02 江苏金石研磨有限公司 A kind of ceramic grinding media rolls formation system Wind Volume dust collecting system
CN115624832A (en) * 2022-09-13 2023-01-20 中建五局(烟台)建设工程有限公司 High altitude dust device for green construction
CN115624832B (en) * 2022-09-13 2023-07-25 中建五局(烟台)建设工程有限公司 High-altitude dust reducing device for green building construction

Similar Documents

Publication Publication Date Title
CN105414141A (en) Spiral-welded steel pipe ion cutting smoke treatment system and method
CN206853380U (en) A kind of construction site dust arrester
CN205200116U (en) Spiral welded steel pipe ion cutting smoke and dust processing system
CN208082036U (en) Weld cigarette cleaning equipment
CN103736604B (en) A kind of cyclone wet type electrostatic dust collector
CN203355545U (en) Cyclone bag-type composite dust collector
CN107485947A (en) A kind of method of work of the Combined industry deduster of the reverse drifting dust of air outlet
CN101254381A (en) Dust collection method using pipeline sedimentation and dust removing equipment
CN205055684U (en) Take dust remover of spark trap
CN103706213A (en) Cyclone bag dust collector device
CN106944933A (en) A kind of explosion-proof dust pelletizing system of intermetallic composite coating
CN107551738A (en) A kind of dust arrester for CUT
CN108159846A (en) A kind of metallurgical equipment smoke eliminator
CN203724956U (en) Cyclone bag dust collector device
CN105903283A (en) Pulse bag type dust collector
CN203507713U (en) Integral welded type dust collector provided with multiple filter cartridges vertically arranged
CN206103614U (en) High -efficient industrial dust removal equipment
CN205036456U (en) A air filter for compressor gas turbine
CN204502632U (en) Spiral negative pressure dust removing device
CN205796791U (en) Pulsed jet cloth filter
CN214261141U (en) Ceramic kiln tail gas processing apparatus
CN209451563U (en) It is welded workshop section&#39;s workplace
CN204745887U (en) Spark trapping apparatus that plasma cutting machine bag collector used
CN106422532A (en) Spark eliminator for dust collection pipelines
CN207786243U (en) A kind of weldering fume purifying apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Liu Yun

Inventor after: Liu Chengkun

Inventor after: Liu Wei

Inventor after: Tang Kun

Inventor before: Liu Wei

Inventor before: Ma Xiaobing

COR Change of bibliographic data
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160504

Effective date of abandoning: 20171017