CN208628001U - It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism - Google Patents
It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism Download PDFInfo
- Publication number
- CN208628001U CN208628001U CN201821286078.4U CN201821286078U CN208628001U CN 208628001 U CN208628001 U CN 208628001U CN 201821286078 U CN201821286078 U CN 201821286078U CN 208628001 U CN208628001 U CN 208628001U
- Authority
- CN
- China
- Prior art keywords
- several
- air accumulator
- coke oven
- nozzle
- raw coke
- 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.)
- Active
Links
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The application discloses a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism, including for storing high pressure gas air accumulator and several be used for the shell across raw coke oven gas glasses valve and be located at the top of raw coke oven gas glasses valve valve plate walking mechanism, for spraying high pressure gas to clear up the nozzle of raw coke oven gas glasses valve valve plate walking mechanism and several one end and air accumulator are connected and the other end is corresponding with several nozzles respectively is connected, for making high pressure gas from the jet pipe in air accumulator flow nozzle.High pressure gas in air accumulator passes through in jet pipe flow nozzle, nozzle sprays the high pressure gas with certain pressure, blow away the dust adhered in raw coke oven gas glasses valve valve plate walking mechanism, make raw coke oven gas glasses valve valve plate walking mechanism dexterous actions, failure rate reduces, therefore, be conducive to be promoted the service life of raw coke oven gas glasses valve.
Description
Technical field
It is the utility model relates to smelt environmental technology field, in particular to a kind of for clearing up raw coke oven gas glasses valve valve plate row
Walk the blow device of mechanism.
Background technique
Blast furnace gas is a kind of byproduct generated during blast furnace ironmaking, inflammable and explosive, colorless and odorless and has severe toxicity, is led to
Often blast furnace gas is purified using raw gas system.Existing raw gas system includes gas piping, preposition butterfly valve, raw coke oven gas glasses
The equipment such as valve, reducer unit, diffusing tower.When blast furnace is in the abnormal conditions such as blow-on, blowing out or purified gas system is in failure
When can not collect coal gas, blast furnace gas need to be diffused using raw gas system, and raw coke oven gas glasses valve is then raw coke oven gas system
One very important opening/shutting valve of system.
Existing raw coke oven gas glasses valve 01 includes shell 02 and the valve plate walking mechanism in shell 02, wherein valve plate
Walking mechanism includes the components such as sprocket wheel chain 03 and support traveling wheel 04.But since blast furnace gas is merely through gravitational precipitator
Dedusting just enters raw gas system, is difficult to eliminate the dust in blast furnace gas naturally, to bring dust into raw coke oven gas glasses
In the valve plate walking mechanism of valve 01.Again since raw coke oven gas glasses valve is a closed system, one section is discharged for a long time through blast furnace gas
After time, a large amount of dust is just accumulated on sprocket wheel chain 03 and support traveling wheel 04, sprocket wheel chain 03 is largely adhered to when serious
Sprocket wheel chain 03 and support 04 stable operation of traveling wheel, or even failure are hindered with the dust on support traveling wheel 04, is seriously affected
The service life of raw coke oven gas glasses valve.
Utility model content
In view of this, the purpose of this utility model is to provide one kind for clearing up raw coke oven gas glasses valve valve plate walking mechanism
Blow device, be conducive to promoted raw coke oven gas glasses valve service life.
Its concrete scheme is as follows:
The application provides a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism, comprising:
For storing the air accumulator of high pressure gas；
Several are used for across raw coke oven gas glasses valve shell and are located at the top of raw coke oven gas glasses valve valve plate walking mechanism, use
The nozzle of raw coke oven gas glasses valve valve plate walking mechanism is cleared up in the ejection high pressure gas；
Several one end are connected with the air accumulator and the other end is corresponding with several nozzles respectively is connected, for making
State the jet pipe that high pressure gas is flowed into from the air accumulator in the nozzle.
Preferably, further includes:
It is several to be respectively correspondingly arranged on several jet pipes, for controlling the control valve for corresponding to the nozzle gas flow speed.
Preferably, further includes:
It is several be respectively correspondingly arranged on several jet pipes, the capstan for controlling the jet pipe interior conduit pressure
Pump.
Preferably, the nozzle includes:
With rectangular outlet and several rotation directions for along sprocket wheel chain are in staggered distribution to clear up the chain of sprocket wheel chain
Nozzle clearing；
With arc-shaped outlet and it is several for it is corresponding be distributed in above several support traveling wheels with it is corresponding clear up it is several
Support the traveling wheel nozzle clearing of traveling wheel.
Preferably, the air accumulator includes:
It is connected respectively with several chain nozzle clearings by the jet pipe, for being several chain nozzle clearings
The chain air accumulator of the high pressure gas is provided；
It is connected respectively with several traveling wheel nozzle clearings by the jet pipe, for being cleared up for several traveling wheels
Nozzle provides the traveling wheel air accumulator of the high pressure gas.
Preferably, further includes:
It is connected respectively with chain air accumulator and the traveling wheel with air accumulator, for supplementing the high pressure for the two
Total appendix of gas；
Master control valve on total appendix, for controlling total appendix air-flow.
Preferably, further includes:
For being set in raw coke oven gas glasses valve shell at the image to grab sprocket wheel chain and support traveling wheel dust situation
Manage device；
Be connected with described image processing unit, for show described image processing unit send image information display dress
It sets.
Preferably, further includes:
It is respectively arranged in the chain air accumulator and the traveling wheel air accumulator, the pressure for detecting the two pressure
Detection device；
It is connected respectively with the pressure-detecting device and the master control valve, for being sent according to the pressure-detecting device
Information control the control device of master control valve opening and closing.
With respect to the background art, the application provides a kind of purging dress for clearing up raw coke oven gas glasses valve valve plate walking mechanism
It sets, be used for several across raw coke oven gas glasses valve shell including the air accumulator for storing high pressure gas and be located at raw coke oven gas eye
The top of mirror valve valve plate walking mechanism, the spray that raw coke oven gas glasses valve valve plate walking mechanism is cleared up for spraying the high pressure gas
Mouth and several one end are connected with the air accumulator and the other end is corresponding with several nozzles respectively is connected, for for institute
State the jet pipe that high pressure gas flows into the nozzle from the air accumulator.
When the work of raw coke oven gas glasses valve valve plate walking mechanism mechanism, the high pressure gas separately flows into several from air accumulator
In the jet pipe, and sprayed out of several the nozzles.The high pressure gas is sprayed onto raw coke oven gas glasses valve by several jet pipes therewith
Valve plate walking mechanism blows away the dust being attached in raw coke oven gas glasses valve valve plate walking mechanism, in order to avoid dust bulk deposition and shadow
It rings raw coke oven gas glasses valve valve plate walking mechanism to work normally, to reduce raw coke oven gas glasses valve valve plate walking mechanism because of dust accretions
And causing the risk of trouble or failure, failure rate is opposite to be reduced, therefore is conducive to be promoted the service life of raw coke oven gas glasses valve.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is provided by the utility model embodiment for clearing up the purging dress of raw coke oven gas glasses valve valve plate walking mechanism
The structure schematic diagram set；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the main view of air accumulator and its appurtenances in Fig. 1；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is the structural schematic diagram of chain nozzle clearing in Fig. 1；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is the structural schematic diagram of traveling wheel nozzle clearing in Fig. 1；
Fig. 8 is the side view of Fig. 7；
Appended drawing reference is as follows:
Raw coke oven gas glasses valve 01, shell 02, sprocket wheel chain 03 and support traveling wheel 04；
Air accumulator 1, nozzle 2, jet pipe 3, control valve 4, total appendix 5 and master control valve 6；
Chain air accumulator 11 and traveling wheel air accumulator 12；
Chain nozzle clearing 21 and traveling wheel nozzle clearing 22；
Rectangular outlet 211 and arc-shaped outlet 221.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1 and Fig. 4 are please referred to, Fig. 1 is provided by the utility model embodiment for clearing up raw coke oven gas glasses valve valve plate
The structure schematic diagram of the blow device of walking mechanism；Fig. 2 is the top view of Fig. 1；Fig. 3 is air accumulator and its attaching part in Fig. 1
The main view of part；Fig. 4 is the side view of Fig. 3.
The utility model embodiment disclose it is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism,
Including air accumulator 1, nozzle 2 and jet pipe 3.
In this specific embodiment, air accumulator 1 is mainly used for high pressure gas, the preferred high pressure nitrogen of the high pressure gas, certainly,
It is without being limited thereto.Preferably, air accumulator 1 is the cylindrical seal tank being welded by metal foil, certainly, the structure of air accumulator 1
And material is without being limited thereto.
Nozzle 2 includes several, and several nozzles 2 pass through the shell 02 of raw coke oven gas glasses valve 01, and are located at raw coke oven gas
The top of glasses valve valve plate walking mechanism, to spray high pressure gas to clear up and be piled up in raw coke oven gas glasses valve valve plate walking mechanism
On dust.It should be noted that appropriately distance should be kept between nozzle 2 and raw coke oven gas glasses valve valve plate walking mechanism, with
It is both anti-to interfere.
In this specific embodiment, nozzle 2 includes chain nozzle clearing 21 and traveling wheel nozzle clearing 22.
Fig. 5 to Fig. 8 is please referred to, Fig. 5 is the structural schematic diagram of chain nozzle clearing in Fig. 1；Fig. 6 is the side view of Fig. 5；Figure
7 be the structural schematic diagram of traveling wheel nozzle clearing in Fig. 1；Fig. 8 is the side view of Fig. 7.
The end outer peripheral surface of chain nozzle clearing 21 is in coniform, and the center of its end has rectangular outlet 211, preferably
Ground, the length of rectangular outlet 211 and the width of chain are roughly equal, sufficiently to clear up sprocket wheel chain 03.Chain nozzle clearing
21 include several, several chain nozzle clearings 2 are in staggered distribution along the rotation direction of sprocket wheel chain 03, sufficiently to clear up chain
Take turns chain 03.Preferably, chain nozzle clearing 21 specifically includes three, and is respectively aligned to three before, during and after sprocket wheel chain 03
Section.
The end of traveling wheel nozzle clearing 22 is also in that outer peripheral surface is in coniform, and the center of its end has arc-shaped outlet
221, it is preferable that the length of arc-shaped outlet 221 is substantially equal with the support thickness of traveling wheel 04, sufficiently to clear up support row
Walk wheel 04.Traveling wheel nozzle clearing 22 includes several, several traveling wheel nozzle clearings 22 are corresponding to be distributed in several support rows
The top of wheel 04 is walked, sufficiently to clear up each support traveling wheel 04.Preferably, traveling wheel nozzle clearing 22 specifically includes seven
It is a, and it is respectively aligned to seven support traveling wheels 04.
Correspondingly, air accumulator 1 includes chain air accumulator 11 and traveling wheel air accumulator 12, wherein chain air accumulator
11 are connected by jet pipe 3 with several chain nozzle clearings 21, are mainly used for providing required height for several chain nozzle clearings 21
It calms the anger body.Traveling wheel is connected by jet pipe 3 with several traveling wheel nozzle clearings 22 with air accumulator 12, is mainly used for as several walkings
Wheel nozzle clearing 22 provides required high pressure gas.Chain is identical with the structure of traveling wheel air accumulator 12 with air accumulator 11,
It is certainly, without being limited thereto for cylindrical-shaped structure.
It should be pointed out that for the high pressure gas in all air accumulators 1 of equilibrium assignment, chain nozzle clearing 21 and walking
Wheel nozzle clearing 22 both can also distinguish traveling wheel air accumulator 12 respectively with chain air accumulator 11, as long as guaranteeing chain
Item air accumulator 11 is equal with the quantity of nozzle 2 that traveling wheel air accumulator 12 is connect, and having no effect on realization, this is practical new
The purpose of type.In this specific embodiment, chain air accumulator 11 and traveling wheel respectively connect five nozzles with air accumulator 12 respectively, tool
Body, chain air accumulator 11 connects with three chain nozzle clearings 21 and two traveling wheel nozzle clearings 22 respectively, correspondingly,
Traveling wheel air accumulator 12 connects with five traveling wheel nozzle clearings 22 respectively.Certainly, 2 quantity of nozzle that air accumulator 1 is connect is not
It is limited to this, adjustment appropriate can be specifically made according to actual conditions.
Jet pipe 3 include several, one end of several jet pipes 3 is connected with air accumulator 1, the other end respectively with several nozzles 2
It is corresponding to be connected, it is mainly used for making high pressure gas out of air accumulator 1 flow nozzle 2.In this specific embodiment, jet pipe 3 is preferably general
Logical metal circular tube, is fixed on air accumulator 1, the other end passes through screw thread by welding close to one end of air accumulator 1
The mode of connection is fixed with one with nozzle 2, and certainly, structure, material and the connection type of jet pipe 3 are not limited to this.
The application further includes control valve 4 and capstan pump.Wherein, control valve 4 includes several, and several control valves
4 are respectively correspondingly arranged on several jet pipes 3, the air velocity of jet pipe 3 where being mainly used for control.In this specific embodiment, it controls
4 preferred manual ball valve of valve processed, is certainly not limited to this.In use, one of control valve 4 is manually adjusted, where the control valve 4
The high pressure gas flow velocity of jet pipe 3 changes, and the pressure for the high pressure gas that corresponding nozzle 2 sprays is changed correspondingly, according to dust
Accumulation degree reasonably adjusts the outlet pressure of nozzle 2, to reasonably be conducive to save using the high pressure gas in air accumulator 1
About resource reduces cost.
Capstan pump includes several, and several capstan pumps are respectively correspondingly arranged on several jet pipes 3, to control jet pipe
Pipeline pressure in 3.In engineering site, air accumulator 1 usually apart from raw coke oven gas glasses valve 01 farther out, when high pressure gas is from air accumulator
1 when flowing to nozzle 2, the pressure reduction of high pressure gas, can not even blow away in raw coke oven gas glasses valve valve plate walking mechanism when serious
Dust, and capstan pump just can be used in increase where jet pipe 3 pipeline pressure, guarantee nozzle 2 effectively act as clearing up
Effect.Similarly, when the high-pressure gas pressure that nozzle 2 sprays is larger, sprocket wheel chain 03 and support traveling wheel 04 is caused to be shaken
It is dynamic, the stable operation of raw coke oven gas glasses valve valve plate walking mechanism is influenced, the pipe that capstan pump applies corresponding jet pipe 3 is reduced
Road pressure guarantees that raw coke oven gas glasses valve valve plate walking mechanism being capable of stable operation to reduce the pipeline pressure in jet pipe 3.It is preferred that
Ground, the air pump that capstan pump is preferably arranged close to nozzle 2 are certainly, without being limited thereto.
The application further includes total appendix 5 and master control valve 6, and one end of total appendix 5 is connected with high-pressure air source, the other end
It is connected respectively with chain air accumulator 11 and traveling wheel air accumulator 12, is mainly used for supplementing high pressure gas for the two.Master control
Valve 6 is set on total appendix 5, is mainly used for controlling the air-flow of total appendix 5.Preferably, master control valve 6 is manual ball valve, when
So, without being limited thereto.When chain air accumulator 11 and traveling wheel air accumulator 12 after a period of work, open master control valve 6, always
Appendix 5 each leads into high pressure gas in chain air accumulator 11 and traveling wheel air accumulator 12.
The application further includes image processing apparatus, display device, pressure-detecting device and control device, is advantageously implemented certainly
Dynamicization.Image processing apparatus is set in the shell 02 of raw coke oven gas glasses valve 01, for grabbing sprocket wheel chain 03 and support traveling wheel
04 dust situation, preferably miniature webcam, are certainly not limited to this.Display device is connected with image processing apparatus, is mainly used for showing
Show the image information that image processing apparatus is sent, preferred display screen.Pressure-detecting device is respectively arranged on 11 He of chain air accumulator
Traveling wheel is in air accumulator 12, mainly for detection of the two pressure.Control device respectively with pressure-detecting device and master control valve
It is connected, the information control master control valve opening and closing for being sent according to pressure-detecting device.
In conclusion the blow device for being used to clear up raw coke oven gas glasses valve valve plate walking mechanism provided herein, packet
Air accumulator 1, nozzle 2 and jet pipe 3 are included, for the high pressure gas in air accumulator 1 by 3 flow nozzle 2 of jet pipe, nozzle 2, which sprays, has one
The high pressure gas of constant-pressure blows away the dust adhered in raw coke oven gas glasses valve valve plate walking mechanism, makes raw coke oven gas glasses valve valve plate
Walking mechanism dexterous actions, failure rate reduce, and therefore, are conducive to the service life for promoting raw coke oven gas glasses valve 01.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (8)
1. a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism characterized by comprising
For storing the air accumulator (1) of high pressure gas；
Several are used for the shell (02) across raw coke oven gas glasses valve (01) and are located at raw coke oven gas glasses valve valve plate walking mechanism
Top, the nozzle (2) that raw coke oven gas glasses valve valve plate walking mechanism is cleared up for spraying the high pressure gas；
Several one end are connected with the air accumulator (1) and the other end is corresponding with several nozzle (2) respectively is connected, for making
The high pressure gas flows into the jet pipe (3) in the nozzle (2) from the air accumulator (1).
2. blow device according to claim 1, which is characterized in that further include:
It is several to be respectively correspondingly arranged on several jet pipes (3), for controlling the control valve for corresponding to jet pipe (3) air velocity
(4)。
3. blow device according to claim 2, which is characterized in that further include:
It is several be respectively correspondingly arranged on several jet pipes (3), the capstan for controlling the jet pipe (3) interior conduit pressure
Pump.
4. blow device according to any one of claims 1 to 3, which is characterized in that the nozzle (2) includes:
With rectangular outlet (211) and several rotation directions for along sprocket wheel chain (03) are in staggered distribution to clear up sprocket wheel chain
(03) chain nozzle clearing (21)；
With arc-shaped outlet and it is several for it is corresponding be distributed in above several support traveling wheels (04) with it is corresponding clear up it is several
Support the traveling wheel nozzle clearing (22) of traveling wheel (04).
5. blow device according to claim 4, which is characterized in that the air accumulator (1) includes:
It is connected respectively with several chain nozzle clearings (21) by the jet pipe (3), for being cleared up for several chains
Nozzle (21) provides the chain of the high pressure gas with air accumulator (11)；
It is connected respectively with several traveling wheel nozzle clearings (22) by the jet pipe (3), for being several traveling wheels
Nozzle clearing (22) provides the traveling wheel of the high pressure gas with air accumulator (12).
6. blow device according to claim 5, which is characterized in that further include:
It is connected respectively with chain air accumulator (11) and the traveling wheel with air accumulator (12), for for described in the two supplement
Total appendix (5) of high pressure gas；
Master control valve (6) on total appendix (5), for controlling total appendix (5) air-flow.
7. blow device according to claim 6, which is characterized in that further include:
To grab sprocket wheel chain (03) and support traveling wheel (04) ash in shell (02) for being set to raw coke oven gas glasses valve (01)
The image processing apparatus of dirt situation；
Be connected with described image processing unit, for show described image processing unit send image information display device.
8. blow device according to claim 7, which is characterized in that further include:
It is respectively arranged in the chain air accumulator (11) and the traveling wheel air accumulator (12), for detecting the two pressure
Pressure-detecting device；
It is connected respectively with the pressure-detecting device and the master control valve (6), for being sent according to the pressure-detecting device
Information control the control device of the master control valve (6) opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286078.4U CN208628001U (en) | 2018-08-09 | 2018-08-09 | It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286078.4U CN208628001U (en) | 2018-08-09 | 2018-08-09 | It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208628001U true CN208628001U (en) | 2019-03-22 |
Family
ID=65740944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821286078.4U Active CN208628001U (en) | 2018-08-09 | 2018-08-09 | It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208628001U (en) |
-
2018
- 2018-08-09 CN CN201821286078.4U patent/CN208628001U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201321279Y (en) | Dust-removing type guide chute | |
| CN202270674U (en) | Nitrogen purging device for feed valve | |
| CN206156362U (en) | Raw materials conveying system abrasionproof decreases aerifys return bend | |
| CN207035169U (en) | Improve the soot blower of SCR inlet flow field uniformity | |
| CN207928910U (en) | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit | |
| CN208628001U (en) | It is a kind of for clearing up the blow device of raw coke oven gas glasses valve valve plate walking mechanism | |
| CN113521923A (en) | Cloud mist intelligent dust suppression system, dust suppression method and installation method in coal washing process | |
| CN107218615A (en) | It is a kind of to improve the soot blower of SCR inlet flow field uniformity | |
| US8770497B2 (en) | Device and process for distributing a fluid | |
| CN206549892U (en) | A kind of mounting structure of smoke processing system and sprayer | |
| CN207886957U (en) | A kind of SNCR denitrification spray gun | |
| CN101668579A (en) | Be used for from the method and apparatus of gas separating SO 2 | |
| CN105056691A (en) | Device and method for dedusting and demisting after wet desulphurization | |
| CN201347292Y (en) | Pneumatic conveying system | |
| CN208412780U (en) | A kind of environmental protection equipment conveying gas device | |
| CN206701004U (en) | A kind of tunnel cave dust pelletizing system | |
| RU2307252C1 (en) | Dust-depression plant | |
| CN211676930U (en) | Combined micron-sized dry fog dust-settling purification device | |
| CN104208955A (en) | Deduster provided with underlying blowing system and capable of clearing away ashes offline without offline valve | |
| CN208115466U (en) | A kind of desulphurization system for preventing lime to be adhered in pipeline | |
| CN209973557U (en) | Belt wet dust collector | |
| CN207385049U (en) | A kind of Industrial Stoves minimum discharge bag filter | |
| CN208153016U (en) | A kind of new type mining depositing dust coal mining device | |
| CN208449043U (en) | A kind of SNCR atomizing lance | |
| CN202290702U (en) | Aerosol dust removal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |