CN114229525A - Flexible dust collecting device for ash discharge of tank car - Google Patents
Flexible dust collecting device for ash discharge of tank car Download PDFInfo
- Publication number
- CN114229525A CN114229525A CN202111297164.1A CN202111297164A CN114229525A CN 114229525 A CN114229525 A CN 114229525A CN 202111297164 A CN202111297164 A CN 202111297164A CN 114229525 A CN114229525 A CN 114229525A
- Authority
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- China
- Prior art keywords
- dust
- connecting pipe
- ash
- tank car
- dust collecting
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- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 84
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 6
- 210000004722 stifle Anatomy 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The application provides a flexible dust collecting device for ash discharge of a tank car, and belongs to the technical field of ash discharge and dust collection of tank cars. The flexible dust collecting device for discharging ash of the tank car comprises an ash return pipeline, a dust collecting blank cap and a telescopic dust collecting air pipe, the top of the ash return pipeline is communicated with a connecting pipe, a valve body is arranged in the connecting pipe, an error-contact preventing mechanism is arranged on the outer side of a valve rod of the valve body, the top of the dust-absorbing blind cover and the connecting pipe and the two ends of the telescopic dust-absorbing air pipe are fixedly connected with flanges, two ends of the telescopic dust absorption air pipe are respectively and fixedly connected with the connecting pipe and the dust absorption blank cap through flanges, a connector is arranged at the outer side of the ash returning pipeline, a connecting pipe is arranged, a dust collection cover is arranged at an external exhaust port of the tank car, a valve body is opened to enable the connecting pipe to be communicated with the ash returning pipeline, a large amount of dust emitted by the exhaust of the tank car is sucked into the ash returning pipeline by utilizing negative pressure, and dust removal is realized, the field environment is not influenced, energy is not consumed, and the field environment is facilitated.
Description
Technical Field
The application relates to the technical field of ash discharge and dust collection of tank cars, in particular to a flexible ash discharge and dust collection device of a tank car.
Background
At present, the desulfurization and denitrification device of the Lai Steel operation and maintenance project department discharges waste desulfurization ash once every 2 days, the ash discharging method is that a tank car is poured into an ash storehouse, the desulfurization ash is put down by gravity and is loaded into the tank car, and because the tank car needs to exhaust, a large amount of dust is discharged in the ash loading process every time, the site environment is affected, and the operation is not beneficial to environmental protection.
Disclosure of Invention
In order to make up for the above deficiency, the application provides a flexible dust collecting device for ash discharge of a tank car, which aims to utilize an ash return pipeline connected to a desulfurizing tower system on site, wherein the ash return pipeline is provided with an interface, an industrial dust collector hose is connected, the flexible and variable dust collection is carried out on an outer discharge port of the tank car, the hose is placed into a manhole at the rear part of the tank car, an ash return switch is opened during loading, the hose carries out negative pressure dust collection, energy is not consumed, the site environment is facilitated, and the problems that a large amount of dust is emitted in the ash loading process, the site environment is influenced, and the environment-friendly work is not facilitated are solved.
The embodiment of the application provides flexible dust collecting device for ash discharge of tank car, including returning ash pipeline, dust absorption stifle and scalable dust absorption tuber pipe, the top intercommunication of returning ash pipeline has the connecting pipe, the internally mounted of connecting pipe has the valve body, the outside of valve body valve rod is provided with prevents mistake and touches the mechanism, the equal fixedly connected with flange in both ends of the top of dust absorption stifle and connecting pipe and scalable dust absorption tuber pipe, the both ends of scalable dust absorption tuber pipe pass through the flange respectively with connecting pipe and dust absorption stifle fixed connection.
In the implementation process, an interface and a connecting pipe are installed outside the ash returning pipeline, a telescopic dust absorption air pipe is respectively connected with a dust absorption blank cap and the connecting pipe under the action of a flange, the dust absorption blank cap cover is used for exhausting air to the external air outlet of the tank car, the ash returning pipeline connected into the desulfurizing tower system on site is utilized, a valve body is opened to enable the connecting pipe to be communicated with the ash returning pipeline, negative pressure is utilized, a large amount of dust emitted by the exhaust of the tank car sequentially passes through the dust absorption blank cap, the telescopic dust absorption air pipe and the connecting pipe enter the interior of the ash returning pipeline, dust removal is further achieved, the site environment cannot be influenced, energy is not consumed, and the site environment is facilitated.
In a specific embodiment, prevent that mistake from touching mechanism establishes the solid fixed cylinder in the valve body valve rod outside including fixed connection in the connecting pipe outside and cover, the top of solid fixed cylinder inlays and is equipped with the connecting cylinder, the spacing hole that is the annular distribution is seted up in the outside of valve body valve rod, the interior roof fixed mounting of connecting cylinder has the electromagnetic block, and the inside of connecting cylinder is provided with the magnetic sheet, the bottom fixedly connected with inserted bar of magnetic sheet, the bottom of inserted bar runs through the connecting cylinder and pegs graft with spacing hole, fixedly connected with cover establishes the spring in the inserted bar outside between magnetic sheet and the connecting cylinder.
In the above-mentioned realization in-process, after the valve body is opened, make the circular telegram of electromagnetism piece produce magnetism and repel each other with the magnetic sheet, make the magnetic sheet move down, the magnetic sheet drives the inserted bar and moves down and make the spring atress compress, the inserted bar can move down and insert the inside in spacing hole, and then prescribe a limit to the valve rod of valve body, avoid the mistake to bump the valve rod and open the valve body and influence the dust absorption, the security is improved, after the dust absorption is accomplished, the electricity of electromagnetism piece cuts off the power supply, the elasticity promotion magnetic sheet by the spring resets and makes the inserted bar and spacing hole separation, can rotate the valve rod and close the connecting pipe.
In a specific embodiment, the magnetic properties of the electromagnet block after being energized are the same as the magnetic properties of the magnetic sheet.
In the implementation process, the electromagnet block is electrified to generate magnetism which is the same as that of the magnetic sheet, and the magnetic sheet can move due to the principle that like poles repel each other.
In a specific implementation scheme, the two sides of the inner wall of the connecting cylinder are both provided with sliding grooves, and the outer sides of the magnetic sheets are fixedly connected with two sliding strips which are in sliding connection with the sliding grooves.
In the implementation process, the magnetic sheet drives the sliding strip to slide in the sliding groove in the moving process, and the magnetic sheet is limited through the matching of the sliding strip and the sliding groove, so that the magnetic sheet moves stably.
In a particular embodiment, the plunger is a hollow carbon fiber tube member.
In the implementation process, the inserted rod of the hollow carbon fiber pipe component has the characteristics of light weight and high strength, the force required by the movement of the inserted rod is small, and the inserted rod is inserted into the limiting hole, so that the inserted rod cannot be easily broken even if the inserted rod is mistakenly touched to rotate the valve body.
In a specific embodiment, the telescopic dust suction air pipe is a corrosion-resistant metal corrugated pipe.
In the implementation process, the anti-corrosion metal corrugated pipe spring is provided with strong anti-corrosion performance and long service life.
In a specific embodiment, the inner wall of the connecting pipe and the inner wall of the valve body medium channel are both coated with an anti-corrosion coating.
In the implementation process, the corrosion resistance of the connecting pipe and the valve body is improved through the anti-corrosion coating coated on the inner wall of the connecting pipe and the inner wall of the valve body medium channel, and the service life is further prolonged.
In a specific embodiment, the connecting pipe is fixedly connected at a position where the negative pressure of the ash return pipeline is about 1000 pa.
In the implementation process, when the negative pressure is about 1000pa, the dust collection effect is better.
In a specific embodiment, a sealing treatment is performed between two adjacent flanges.
In the implementation process, the two adjacent flanges are sealed, so that the dust collection effect under the negative pressure state cannot be influenced by air leakage in a good sealing effect, and meanwhile, the dust is prevented from overflowing.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a flexible dust collecting device for ash discharge of a tank truck provided by an embodiment of the application;
FIG. 2 is a schematic structural diagram of a connection section of a connection pipe and a valve body according to an embodiment of the present disclosure;
fig. 3 is an enlarged schematic view of a point a in fig. 2 according to an embodiment of the present disclosure.
In the figure: 1-return ash pipeline; 2-telescopic dust-collecting air pipe; 3-piston pin bush; 4-connecting pipe; 5-a valve body; 6-a flange; 7-a fixed cylinder; 8-a limiting hole; 9-connecting the cylinder; 10-an electromagnetic block; 11-a magnetic sheet; 12-a plunger; 13-a spring; 14-a chute; 15-a slide bar.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-3, the application provides a flexible dust collecting device for ash discharge of a tank car, which comprises an ash return pipeline 1, a dust collection blank cap 2 and a telescopic dust collection air pipe 3, wherein the top of the ash return pipeline 1 is communicated with a connecting pipe 4, a valve body 5 is installed inside the connecting pipe 4, an error touch prevention mechanism is arranged outside a valve rod of the valve body 5, flanges 6 are fixedly connected to the tops of the dust collection blank cap 2 and the connecting pipe 4 and two ends of the telescopic dust collection air pipe 3, and two ends of the telescopic dust collection air pipe 3 are respectively fixedly connected with the connecting pipe 4 and the dust collection blank cap 2 through the flanges 6.
In a specific embodiment, prevent mistake and touch mechanism and establish the solid fixed cylinder 7 in the valve body 5 valve rod outside including fixed connection in the connecting pipe 4 outside and cover, gu fixed cylinder 7's top is inlayed and is equipped with connecting cylinder 9, the spacing hole 8 that is the annular distribution is seted up in the outside of valve body 5 valve rod, the interior roof fixed mounting of connecting cylinder 9 has electromagnetic block 10, and the inside of connecting cylinder 9 is provided with magnetic sheet 11, the bottom fixedly connected with inserted bar 12 of magnetic sheet 11, the bottom of inserted bar 12 runs through connecting cylinder 9 and pegs graft with spacing hole 8, fixedly connected with cover establishes the spring 13 in the inserted bar 12 outside between magnetic sheet 11 and the connecting cylinder 9.
In the above-mentioned realization in-process, after valve body 5 is opened, make 10 circular telegrams of electromagnetism piece produce magnetism and repel each other with magnetic sheet 11, make 11 downstream of magnetic sheet, magnetic sheet 11 drives inserted bar 12 and moves down and make spring 13 atress compress, inserted bar 12 can move down and insert spacing hole 8's inside, and then prescribe a limit to valve body 5's valve rod, avoid the mistake to bump the valve rod and open valve body 5 and influence the dust absorption, the security improves, after the dust absorption is accomplished, 10 outage of electromagnetism piece, promote the magnetic sheet 11 by spring 13's elasticity and reset and make inserted bar 12 and spacing hole 8 separate, can rotate the valve rod and close connecting pipe 4.
In a specific embodiment, the magnetic properties of the electromagnet block 10 after energization are the same as those of the magnet sheet 11.
In the implementation process, the electromagnet block 10 is electrified to generate magnetism which is the same as that of the magnetic sheet 11, and the magnetic sheet 11 can move due to the principle that like poles repel each other.
In a specific embodiment, the connecting cylinder 9 has two sliding grooves 14 formed on both sides of the inner wall thereof, and two sliding bars 15 slidably connected to the sliding grooves 14 are fixedly connected to the outer sides of the magnetic sheets 11.
In the implementation process, the magnetic sheet 11 drives the sliding strip 15 to slide in the sliding groove 14 in the moving process, and the magnetic sheet 11 is limited through the matching of the sliding strip 15 and the sliding groove 14, so that the magnetic sheet 11 moves stably.
In one particular embodiment, the plunger 12 is a hollow carbon fiber tube member.
In the implementation process, the inserted rod 12 which is a hollow carbon fiber tube member has the characteristics of light weight and high strength, the force required by the movement of the inserted rod 12 is small, and the inserted rod 12 is not easily broken by mistakenly touching and rotating the valve body 5 after being inserted into the limiting hole 8.
In a specific embodiment, the retractable dust extraction air duct 3 is a corrosion-resistant metal bellows.
In the implementation process, the corrosion-resistant metal corrugated pipe spring 13 has strong corrosion resistance and long service life.
In a specific embodiment, the inner wall of the connecting pipe 4 and the inner wall of the medium channel of the valve body 5 are coated with an anti-corrosion coating.
In the implementation process, the corrosion-resistant coating is coated on the inner wall of the connecting pipe 4 and the inner wall of the medium channel of the valve body 5, so that the corrosion resistance of the connecting pipe 4 and the valve body 5 is improved, and the service life is further prolonged.
In a specific embodiment, the connecting pipe 4 is fixedly connected to the ash return pipe 1 at a position where the negative pressure is about 1000 pa.
In the implementation process, when the negative pressure is about 1000pa, the dust collection effect is better.
In a specific embodiment, a sealing process is performed between two adjacent flanges 6.
In the implementation process, the two adjacent flanges 6 are sealed, so that the dust collection effect under the negative pressure state cannot be influenced by air leakage due to a good sealing effect, and meanwhile, the dust is prevented from overflowing.
The working principle of the flexible dust collecting device for ash discharge of the tank truck is as follows: when the dust removing device is used, the dust returning pipeline 1 connected to a desulfurizing tower system on site is utilized, a connector is opened at the position with negative pressure of about 1000pa, a connecting pipe 4 is installed, the telescopic dust suction air pipe 3 is respectively connected with the dust suction blank cap 2 and the connecting pipe 4 under the action of the flange 6, the dust suction blank cap 2 covers an external exhaust port of a tank car, the dust returning pipeline 1 connected to the desulfurizing tower system on site is utilized, the valve body 5 is opened to enable the connecting pipe 4 to be communicated with the dust returning pipeline 1, and a large amount of dust emitted by the exhaust of the tank car sequentially passes through the dust suction blank cap 2, the telescopic dust suction air pipe 3 and the connecting pipe 4 to enter the interior of the dust returning pipeline 1 by utilizing the negative pressure, so that dust removal is realized, the site environment is not influenced, energy is not consumed, the site environment is facilitated, after the valve body 5 is opened, the electromagnetic block 10 is electrified to generate magnetism and mutually repel the magnetic sheet 11, the magnetic sheet 11 moves downwards, the magnetic sheet 11 drives the inserted rod 12 to move downwards to enable the spring 13 to be compressed by force, the inserted bar 12 can move downwards and be inserted into the limiting hole 8, so that the valve rod of the valve body 5 is limited, the phenomenon that the valve rod is touched by mistake to open the valve body 5 to affect dust collection is avoided, and safety is improved.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. Tank car unloads grey nimble dust arrester installation, its characterized in that, including returning grey pipeline (1), dust absorption stifle (2) and scalable dust absorption tuber pipe (3), the top intercommunication that returns grey pipeline (1) has connecting pipe (4), the internally mounted of connecting pipe (4) has valve body (5), the outside of valve body (5) valve rod is provided with prevents mistake and touches the mechanism, dust absorption stifle (2) and the top of connecting pipe (4) and the equal fixedly connected with flange (6) in both ends of scalable dust absorption tuber pipe (3), the both ends of scalable dust absorption tuber pipe (3) are passed through flange (6) respectively with connecting pipe (4) and dust absorption stifle (2) fixed connection.
2. The flexible dust collecting device for ash unloading of the tank car as defined in claim 1, wherein the false touch preventing mechanism comprises a fixed cylinder (7) fixedly connected to the outer side of the connecting pipe (4) and sleeved on the outer side of the valve rod of the valve body (5), a connecting cylinder (9) is embedded at the top of the fixed cylinder (7), a limit hole (8) distributed annularly is formed in the outer side of the valve rod of the valve body (5), an electromagnetic block (10) is fixedly mounted on the inner top wall of the connecting cylinder (9), a magnetic sheet (11) is arranged in the connecting cylinder (9), an inserting rod (12) is fixedly connected to the bottom of the magnetic sheet (11), the bottom of the inserting rod (12) penetrates through the connecting cylinder (9) and is inserted into the limit hole (8), and a spring (13) arranged on the outer side of the inserting rod (12) is fixedly connected to the magnetic sheet (11) and the connecting cylinder (9).
3. The flexible dust collecting apparatus for ash discharge of tank car according to claim 2, characterized in that the magnetism of the electromagnetic block (10) after being electrified is the same as that of the magnetic sheet (11).
4. The flexible dust collecting device for ash discharge of the tank car as claimed in claim 2, wherein sliding grooves (14) are formed in both sides of the inner wall of the connecting cylinder (9), and two sliding strips (15) which are slidably connected with the sliding grooves (14) are fixedly connected to the outer sides of the magnetic sheets (11).
5. The flexible dust collecting apparatus for ash discharge from tank car according to claim 2, characterized in that said inserted rod (12) is a hollow carbon fiber pipe member.
6. The flexible dust collecting device for ash discharge of tank truck as claimed in claim 5, characterized in that said telescopic dust suction air pipe (3) is corrosion-resistant metal corrugated pipe.
7. The flexible dust collecting device for ash discharge of the tank car as claimed in claim 6, wherein the inner walls of the connecting pipe (4) and the medium channel of the valve body (5) are coated with an anti-corrosion coating.
8. The flexible dust collecting device for ash discharge of the tank car as claimed in claim 1, wherein the connecting pipe (4) is fixedly connected to the position of the ash return pipeline (1) with negative pressure of about 1000 pa.
9. The flexible dust collecting device for ash discharge of tank truck as claimed in claim 1, characterized in that a sealing treatment is performed between two adjacent flanges (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297164.1A CN114229525A (en) | 2021-11-03 | 2021-11-03 | Flexible dust collecting device for ash discharge of tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297164.1A CN114229525A (en) | 2021-11-03 | 2021-11-03 | Flexible dust collecting device for ash discharge of tank car |
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| Publication Number | Publication Date |
|---|---|
| CN114229525A true CN114229525A (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111297164.1A Pending CN114229525A (en) | 2021-11-03 | 2021-11-03 | Flexible dust collecting device for ash discharge of tank car |
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| CN (1) | CN114229525A (en) |
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| CN214086333U (en) * | 2020-09-22 | 2021-08-31 | 淮北矿业股份有限公司 | Transmission device for realizing multi-span belt sampling coal flow centralized aggregate conveying |
| CN214298374U (en) * | 2020-11-12 | 2021-09-28 | 中国水利水电第九工程局有限公司 | Yellow phosphorus slay superfine powder loading system |
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