CN208542719U - A kind of numerical control cutting machine Special dedusting device - Google Patents
A kind of numerical control cutting machine Special dedusting device Download PDFInfo
- Publication number
- CN208542719U CN208542719U CN201821076446.2U CN201821076446U CN208542719U CN 208542719 U CN208542719 U CN 208542719U CN 201821076446 U CN201821076446 U CN 201821076446U CN 208542719 U CN208542719 U CN 208542719U
- Authority
- CN
- China
- Prior art keywords
- gas passage
- dust
- sealing plate
- collecting device
- smoke collecting
- 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.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 61
- 239000000428 dust Substances 0.000 claims abstract description 39
- 239000000779 smoke Substances 0.000 claims abstract description 30
- 239000003500 flue dust Substances 0.000 claims abstract description 19
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 63
- 238000007789 sealing Methods 0.000 claims description 47
- 230000006698 induction Effects 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Prevention Of Fouling (AREA)
Abstract
The utility model discloses a kind of numerical control cutting machine Special dedusting devices, including smoke collecting device, gas passage and deduster, the smoke collecting device collection port being fixed on trolley is directed at cutting torch always and collects flue dust, smoke collecting device is able to drive smoke collecting device collection port and moves in the Y direction, smoke collecting device is connected to the gas passage that smoke collecting device moves in the X direction is able to drive, and gas passage is connected to deduster.Dust-extraction unit can distance according to cutting torch apart from deduster adjust wind speed, avoid air quantity in use process single, cause deficiency in draught and the excessive phenomenon of air quantity；And first dust gathering arrester run in the x-direction and the z-direction with cutting torch, absorb the flue dust that cutting torch generates in time, flue dust capture rate is high；Rationally, strong operability is able to solve the dust treatment problem of numerical control cutting machine, and after installing the dust-extraction unit, numerical control cutting machine can work under open-air atmosphere for apparatus structure design simultaneously.
Description
Technical field
The utility model belongs to numerical control cutting machine technical field of auxiliary equipment, and in particular to a kind of numerical control cutting machine is dedicated to be removed
Dirt device, the smoke gathering device are mounted on numerical control cutting machine side, and the components such as cooperation blower, pipeline, dust gathering arrester are opened in equipment
It opens formula and collects the flue dust generated by plate cutting.
Background technique
Numerical control cutting machine is to drive machine tool motion with digital process, the automation for driving cutting tool to cut object
Equipment.As shown in Figure 1, common numerical control cutting machine includes fuselage 101, track 102, portal frame 103, trolley 104 and cutting torch
105, track 102 is fixedly mounted on fuselage 101, portal frame 103 walks in the X direction along track 102, trolley 104 along
Portal frame 103 is walked in the Y direction, with the movement of portal frame 103 and trolley 104, drives the cutting torch being fixed on trolley 104
105 complete the movement in X-direction and Y-direction.Numerical control cutting machine accelerates the cutting speed to material, improves the essence of cutting
Degree, but volume of smoke is generated in cutting process, air is polluted, the health of staff is endangered.
As domestic increasingly harsh emission regulation and environmental requirement are put into effect in succession, to the flue dust generated in industrial production and
Particle concentration has further limitation and requirement, and flexible and efficient industrial dedusting system is gradually by more and more gold
Belong to the attention of processing enterprise.Currently, only being utilized mostly based on the dedusting of face for the dust pelletizing system of numerical control cutting equipment on the market
The whole dust pelletizing system of workshop carries out circulating dust-removing, or using the form between dedusting by plate cutting equipment and surrounding enviroment every
From forming individual dust pelletizing system.Wherein, first way entirety efficiency of dust collection is low, and effect is poor, visible obvious cigarette in workshop
Gas；Although second way efficiency of dust collection is higher, loading and unloading process is cumbersome, additional to increase between dedusting and the costs such as deduster,
The interior dust concentration of dedusting is still larger, and flue gas spilling is still had in switch gate.In order to improve above-mentioned status, patent
CN105234524B discloses a kind of Numerical control cutting dust removal device, and flue dust collecting device is arranged below burning torch, and flue dust is received
Storage is connected to flue, further by the hose of connection, is filtered by the flue dust discharge outdoor of collection or by dust removal filter
Discharge is outdoor afterwards.Although the patent solves dust removal problem, but flue dust collecting device and flue are needed with cutting machine when work
Crossbeam vertically moved with end carriage, and flue dust collecting device needs to be arranged below burning torch entirely lateral working region, dedusting dress
The smoke collecting device set is only mobile with burning torch in the longitudinal direction, can not be horizontally mobile with burning torch, and device is heavy, and energy consumption is high,
It is at high cost.In order to improve the arresting efficiency of plate cutting flue gas, reduce the fringe cost of dedusting, the utility model provides one kind
It is outdoor installation, sustainable to follow cutting torch mobile and remain " point " dust removal method of best dedusting air quantity and angle, have
Certain promotional value.
Utility model content
The purpose of the utility model is to overcome disadvantage existing in the prior art, seek to design a kind of numerical control cutting machine special
With dust-extraction unit, which solve existing Numerical control cutting dust removal devices, it is difficult to cutting torch horizontal and vertical upper while mobile
The problem of, while solving cutting machine dust-removing apparatus, air quantity is certain, and the path clustering air quantity that can not be walked according to flue dust is asked
Topic.
To achieve the goals above, the utility model relates to a kind of numerical control cutting machine Special dedusting device, including flue dust
Collection device, gas passage and deduster, the smoke collecting device collection port being fixed on trolley are directed at cutting torch always and collect cigarette
Dirt, smoke collecting device are able to drive smoke collecting device collection port and move in the Y direction, smoke collecting device be able to drive
The gas passage connection that smoke collecting device moves in the X direction, gas passage are connected to deduster.
Further, the smoke collecting device includes the first dust gathering arrester, bellows, L shape bend pipe and the second dust gathering arrester, the
One dust gathering arrester be fixed on trolley and the collection port of the first dust gathering arrester alignment cutting torch collect flue dust, the first integrated cover with along portal frame
It is connected in bellows one end that the side Y is set up, the bellows other end is connected to by L shape bend pipe with the second dust gathering arrester.
Further, gas passage includes sealing plate, self-lubricating support bar, sealing plate roller, roller bracket, gas
Several gas passage shield bones are fixedly installed in channel shield, gas passage shield skeleton and gas tunnel ends plate in X direction
Frame, fixes roller bracket on the gas passage shield skeleton at both ends, and the roller bracket rotation at sealing plate roller and both ends connects
It connects, for sealing plate in the X direction around left and right sides sealing plate roller turn, gas passage shield is fixed on gas passage shield
Cover skeleton two sides and bottom, gas passage end plate and gas passage shield left and right ends are tightly connected and top is fitted in sealant
On plate, gas passage shield upper opening is fastened in the sealing plate on the upside of sealing plate roller, gas passage shield with
Self-lubricating support bar is arranged in 401 junction of sealing plate.
Further, the connection framework connecting with portal frame is fixedly installed with the second dust gathering arrester junction in sealing plate
On, connection framework includes sealing plate fixed frame and sealing plate clamp frame, be connected through a screw thread sealing plate fixed frame and
Sealing plate clamp frame is fixed on the two sides up and down of sealing plate tapping, and sealing plate fixed frame side is fixed on portal frame
On.
Further, the utility model relates to a kind of numerical control cutting machine Special dedusting device, further include deduster air quantity
Control device and controller, controller are electrically connected with the blower in air quantity controller and deduster respectively, deduster air quantity control
Device processed includes that low air flow sensor, high air flow sensor and induction strip, induction strip are fixed in connection framework, is arrived according to flue gas
Gas passage is divided into peak amount control zone, low Boiler pressure control area and standby by the efficiency of dust collection of distance and deduster up to deduster
Control zone, Opportunity awaiting control for linear area, peak amount control zone, low Boiler pressure control area and Opportunity awaiting control for linear area are set gradually along gas passage,
Fixing high wind quantity sensor on the gas passage shield skeleton of middle side part under the amount control zone of peak, on the downside of the amount control zone of low peak
Low air flow sensor is fixed on the gas passage shield skeleton at middle part.
Further, the induction strip is metal strip, and low air flow sensor and high air flow sensor are close to switch.
Further, L shape bend pipe horizontal pipe is fixed on the gantry by pipe collar.
The utility model compared with prior art, has the advantage that (1) dust-extraction unit can be according to cutting torch apart from dedusting
The distance of device adjusts wind speed, avoids air quantity in use process single, causes deficiency in draught and the excessive phenomenon of air quantity；(2) first collection
Dust hood is run in the x-direction and the z-direction with cutting torch, absorbs the flue dust that cutting torch generates in time, and flue dust capture rate is high；(3) it fills
Reasonable in design, strong operability is set, the dust treatment problem of numerical control cutting machine is able to solve, after which is installed,
Numerical control cutting machine can work under open-air atmosphere.
Detailed description of the invention
Fig. 1 is the usage state diagram of 1 numerical control cutting machine Special dedusting device of the utility model embodiment.
Fig. 2 is the partial enlarged view of part A in Fig. 1.
Fig. 3 is the partial enlarged view of part B in Fig. 1.
Fig. 4 is the partial enlargement diagram of gas passage in embodiment 1.
Fig. 5 is the configuration schematic diagram of connection framework and sealing plate in embodiment 1.
Fig. 6 is gas passage schematic diagram of internal structure in embodiment 1.
Fig. 7 is the partial enlarged view of C portion in Fig. 6.
Specific embodiment
The utility model is described further below by specific embodiment.
Embodiment 1:
As shown in Figure 1, a kind of numerical control cutting machine Special dedusting device that the present embodiment is related to, including smoke collecting device 3,
Gas passage 4 and deduster 2,3 collection port of smoke collecting device being fixed on trolley 104 are directed at cutting torch 105 always and collect cigarette
Dirt, smoke collecting device 3 are able to drive smoke collecting device collection port and move in the Y direction, smoke collecting device 3 with being capable of band
The gas passage 4 that dynamic smoke collecting device 3 moves in the X direction is connected to, and gas passage 4 is connected to deduster 2.
Further, as shown in Figs. 1-2, the smoke collecting device 3 includes the first dust gathering arrester 301, bellows 302, L shape
Bend pipe 303 and the second dust gathering arrester 304, the first dust gathering arrester 301 is fixed on trolley 104 and the collection port pair of the first dust gathering arrester 301
Quasi- cutting torch 105 collects flue dust, and the first integrated cover 301 is connect with 302 one end of bellows being arranged in the Y direction along portal frame 103,
302 other end of bellows is connected to by L shape bend pipe 303 with the second dust gathering arrester 304.Trolley 104 along portal frame 103 in the Y direction
Upper walking, compression or stretching bellows 302, realize the movement of smoke collecting device 3 in the Y direction.
Further, as in Figure 2-4, gas passage 4 includes sealing plate 401, self-lubricating support bar 402, sealant
Plate roller 403, roller bracket 404, gas passage shield 405, gas passage shield skeleton 406 and gas tunnel ends plate 407, edge
Several gas passage shield skeletons 406 are fixedly installed in X-direction, fix roller on the gas passage shield skeleton 406 at both ends
The roller bracket 404 at bracket 404, sealing plate roller 403 and both ends is rotatablely connected, and sealing plate 401 is in the X direction around a left side
Right both sides sealing offset plate roller 403 rotates, and gas passage shield 405 is fixed on 406 two sides of gas passage shield skeleton and bottom,
Gas passage end plate 407 and 405 left and right ends of gas passage shield are tightly connected and top is fitted in sealing plate 401, gas
Shield 405 upper opening in body channel is fastened in the sealing plate 401 of 403 upside of sealing plate roller, in gas passage shield
405 are arranged self-lubricating support bar 402 with 401 junction of sealing plate, and sealing plate 401, self-lubricating support bar 402, gas are logical
Road shield 405 and gas tunnel ends plate 407 surround seal cavity.
Further, as shown in figure 5, in sealing plate 401 and the fixed setting of 304 junction of the second dust gathering arrester and portal frame
In the connection framework 5 of 103 connections, connection framework 5 includes sealing plate fixed frame 501 and sealing plate clamp frame 502, is passed through
It is threadedly coupled and sealing plate fixed frame 501 and sealing plate clamp frame 502 is fixed on up and down the two of 401 tapping of sealing plate
Side, 501 side of sealing plate fixed frame are fixed on portal frame 103.Connection framework 5 is not only able to connection 401 He of sealing plate
Portal frame 103, when portal frame 103 moves in X direction, direct pull sealing plate 401 is moved synchronously, and can be to close
401 tapping of glue sealing board carries out reinforcement, makes up the loss of strength as caused by aperture.
Further, since the plan-position of cutting torch 105 is different, the distance that flue gas reaches deduster also has with short.For
Guaranteeing that the volume of deduster 2 is reasonable, pipeline has inevitably used multiple elbow bends, and the partial journey list vapour lock is larger,
(position E as shown in figure 1) will not be impacted to efficiency of dust collection as flue dust conveying distance is shorter, such as apart from too long (such as cutting torch position
The position D in Fig. 1) it need to consider that increasing air quantity carrys out equilibrium pressure drop.As shown in Figures 6 and 7, a kind of numerical control cutting that the present embodiment is related to
Cutting mill Special dedusting device, further includes deduster air quantity controller 6 and controller (being not drawn into figure), controller respectively with wind
Blower electrical connection in amount control device and deduster, deduster air quantity controller 6 include low air flow sensor 601, Gao Feng
Quantity sensor 602 and induction strip 603, induction strip 603 are fixed in connection framework 5, according to flue gas reach deduster 2 distance and
The efficiency of dust collection of deduster 2, which divides gas passage 4, measures control zone, low Boiler pressure control area and Opportunity awaiting control for linear area, standby control for peak
Area, peak amount control zone, low Boiler pressure control area and Opportunity awaiting control for linear area processed are set gradually along gas passage 4, measure control zone on peak
Fixing high wind quantity sensor 602 on the gas passage shield skeleton 406 of lower middle side part, the middle side part in the case where control zone is measured on low peak
Low air flow sensor 601 is fixed on gas passage shield skeleton 406.When cutting material, portal frame 103 drives connection framework 5 along X
Axis is moved to deduster direction, when the high Boiler pressure control area of the entrance of induction strip 603, is triggered high air flow sensor 602 and is started and hold
Continuous to issue a signal to controller, controller controls the blower high-speed cruising in deduster 2, when induction strip 603 enters low air quantity control
Area processed, gas conveying distance reduce, and wind pressure is superfluous, trigger low air flow sensor 601 and start and continuously send out signal to controller,
Controller controls the blower low speed operation in deduster 2, and cutting machine completes task and returns to initial position, induction strip 602 enter to
Machine control zone, low air flow sensor 601 and high air flow sensor 602 are not triggered, and blower is standby.The induction strip 503 is
Metal strip, low air flow sensor 601 and high air flow sensor 602 are close to switch.
Further, 303 horizontal pipe of L shape bend pipe is fixed on portal frame 103 by pipe collar 305.
Claims (7)
1. a kind of numerical control cutting machine Special dedusting device, which is characterized in that including smoke collecting device, gas passage and dedusting
Device, the smoke collecting device collection port being fixed on trolley are directed at cutting torch always and collect flue dust, and smoke collecting device is able to drive
Smoke collecting device collection port moves in the Y direction, smoke collecting device be able to drive smoke collecting device and move in the X direction
Dynamic gas passage connection, gas passage are connected to deduster.
2. numerical control cutting machine Special dedusting device according to claim 1, which is characterized in that the smoke collecting device packet
Include the first dust gathering arrester, bellows, L shape bend pipe and the second dust gathering arrester, the first dust gathering arrester is fixed on trolley and the first dust gathering arrester
Collection port is directed at cutting torch and collects flue dust, and the first dust gathering arrester is connect with the bellows one end being arranged in the Y direction along portal frame, ripple
The pipe other end is connected to by L shape bend pipe with the second dust gathering arrester.
3. numerical control cutting machine Special dedusting device according to claim 1, which is characterized in that gas passage includes sealant
Plate, self-lubricating support bar, sealing plate roller, roller bracket, gas passage shield, gas passage shield skeleton and gas passage
Several gas passage shield skeletons are fixedly installed in end plate in X direction, fix roller on the gas passage shield skeleton at both ends
The roller bracket at bracket, sealing plate roller and both ends is rotatablely connected, and sealing plate is in the X direction around left and right sides sealant
Plate roller turn, gas passage shield are fixed on gas passage shield skeleton two sides and bottom, and gas passage end plate and gas are logical
Road shield left and right ends are tightly connected and top is fitted in sealing plate, and gas passage shield upper opening is fastened on sealant
In sealing plate on the upside of plate roller, self-lubricating support bar is set in gas passage shield and sealing plate (401) junction.
4. numerical control cutting machine Special dedusting device according to claim 3, which is characterized in that the numerical control cutting machine is dedicated
Dust-extraction unit further includes deduster air quantity controller and controller, and controller is respectively and in air quantity controller and deduster
Blower electrical connection, deduster air quantity controller includes that low air flow sensor, high air flow sensor and induction strip, induction strip are solid
It is scheduled in connection framework, gas passage is divided by peak amount according to the efficiency of dust collection of the distance of flue gas arrival deduster and deduster
Control zone, low Boiler pressure control area and Opportunity awaiting control for linear area, Opportunity awaiting control for linear area, peak amount control zone, low Boiler pressure control area and standby control
Area processed is set gradually along gas passage, and fixing high wind amount passes on the gas passage shield skeleton of middle side part under the amount control zone of peak
Sensor is measured on low peak and fixes low air flow sensor on the gas passage shield skeleton of middle side part under control zone.
5. numerical control cutting machine Special dedusting device according to claim 4, which is characterized in that the induction strip is metal
Item, low air flow sensor and high air flow sensor are close to switch.
6. according to the described in any item numerical control cutting machine Special dedusting devices of claim 2 and 4, which is characterized in that in sealant
The connection framework connecting with portal frame is fixedly installed with the second dust gathering arrester junction in plate, and connection framework includes sealing plate fixed frame
With sealing plate clamp frame, it is connected through a screw thread and sealing plate fixed frame and sealing plate clamp frame are fixed on sealing plate open
Two sides up and down at hole, sealing plate fixed frame side are fixed on the gantry.
7. numerical control cutting machine Special dedusting device according to claim 6, which is characterized in that L shape bend pipe horizontal pipe is logical
It is fixed on the gantry to cross pipe collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076446.2U CN208542719U (en) | 2018-07-09 | 2018-07-09 | A kind of numerical control cutting machine Special dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076446.2U CN208542719U (en) | 2018-07-09 | 2018-07-09 | A kind of numerical control cutting machine Special dedusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208542719U true CN208542719U (en) | 2019-02-26 |
Family
ID=65424153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076446.2U Expired - Fee Related CN208542719U (en) | 2018-07-09 | 2018-07-09 | A kind of numerical control cutting machine Special dedusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208542719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772403A (en) * | 2018-07-09 | 2018-11-09 | 青岛海洋技师学院 | A kind of numerical control cutting machine Special dedusting device |
| CN112657286A (en) * | 2020-11-11 | 2021-04-16 | 新乡市利菲尔特滤器股份有限公司 | Dust removal device of plasma cutting machine |
| CN115475813A (en) * | 2022-09-15 | 2022-12-16 | 四川同佳环保科技有限责任公司 | Pit molding workshop is with smoke and dust waste gas environmental protection processing system |
-
2018
- 2018-07-09 CN CN201821076446.2U patent/CN208542719U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772403A (en) * | 2018-07-09 | 2018-11-09 | 青岛海洋技师学院 | A kind of numerical control cutting machine Special dedusting device |
| CN112657286A (en) * | 2020-11-11 | 2021-04-16 | 新乡市利菲尔特滤器股份有限公司 | Dust removal device of plasma cutting machine |
| CN115475813A (en) * | 2022-09-15 | 2022-12-16 | 四川同佳环保科技有限责任公司 | Pit molding workshop is with smoke and dust waste gas environmental protection processing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108772403A (en) | A kind of numerical control cutting machine Special dedusting device | |
| CN208542719U (en) | A kind of numerical control cutting machine Special dedusting device | |
| CN104261152A (en) | Dust collecting device for bagged cement loading link | |
| CN209006855U (en) | Welding fume collecting device | |
| CN2841172Y (en) | The dust arrester that is used for transfer equipment | |
| CN107150163A (en) | A kind of efficient metal cutting dedusting device | |
| CN207887615U (en) | A kind of novel large-sized workshop dust pelletizing system | |
| CN221155983U (en) | Mine discharge opening dust removal monitored control system | |
| CN206732692U (en) | Numerical control plate cutting machine | |
| CN203696772U (en) | Automatic dedusting and grinding machine for board unit | |
| CN205602739U (en) | Portable suction hood of bagged water mud carloader | |
| CN205602752U (en) | Portable bagged water mud carloader dust pelletizing system in bulk | |
| CN208712099U (en) | Melt-blown mechanism on nethike embrane production line | |
| CN208289304U (en) | A kind of telescopic smoke catching grip device | |
| CN208427873U (en) | Adjustable welding fume collection conduit | |
| CN108043854A (en) | A kind of new large-sized workshop dust pelletizing system and its dust removal method | |
| CN205774624U (en) | Monoblock type dust arrester for blast furnace feeding system | |
| CN209647182U (en) | A kind of electric furnace slide rail type environment-friendly type slag pool gas gathering mask | |
| CN204769810U (en) | High -efficient dust cage | |
| CN111392457B (en) | Dust removing equipment and dust removing method for movable cloth machine | |
| CN205217572U (en) | Dog -house adjustable dust cage | |
| CN209092904U (en) | A kind of construction site flue dust adsorptive purifier | |
| CN207552239U (en) | A kind of fume collector | |
| CN204124860U (en) | A kind of unordered dust collection processing equipment for bagged cement entrucking link | |
| CN209318400U (en) | Mobile smoke collection and treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 |