CN108100506A - Ceramic superconductivity high pressure rotary-cut blockage-clearing device - Google Patents
Ceramic superconductivity high pressure rotary-cut blockage-clearing device Download PDFInfo
- Publication number
- CN108100506A CN108100506A CN201711492785.9A CN201711492785A CN108100506A CN 108100506 A CN108100506 A CN 108100506A CN 201711492785 A CN201711492785 A CN 201711492785A CN 108100506 A CN108100506 A CN 108100506A
- Authority
- CN
- China
- Prior art keywords
- feed bin
- nozzle
- ceramic
- air accumulator
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 42
- 239000003245 coal Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 239000002817 coal dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
- B65D88/703—Air blowing devices, i.e. devices for the sudden introduction of compressed air into the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
Abstract
The invention discloses a kind of ceramic superconductivity high pressure rotary-cut blockage-clearing devices, belong to the defeated coal technical field in thermal power plant.The blockage-clearing device includes air accumulator, appendix, PLC control cabinet and several ceramic nozzle groups, gas is sprayed into feed bin downwards from air accumulator by appendix from ceramic nozzle, material on the kinetic energy impact bin wall that the air of high pressure generates, material is made to dissipate the loose or dislocation from bin wall to move downward, so as to solve the blockage problem of feed bin, the technology of the present invention feature is not change original coal bunker shape and structure, it is only warded off in original storehouse and opens an aperture, blockage-clearing device is fixed on coal bunker outer wall, variously-shaped feed bin is suitable for, with bright simple in structure, installation, it is easy to maintain, and dredging works well.
Description
Technical field
The present invention discloses a kind of ceramic superconductivity high pressure rotary-cut blockage-clearing device, belongs to the defeated coal technical field in thermal power plant.
Background technology
The form of current coal bunker can be divided into square conical hopper storehouse, cylinder feed bin, hyperbola feed bin.When material enters coal bunker
Afterwards, since various feed bin structure patterns are all that entrance is big, outlet is small, and material is in dropping process between material, material and bulkhead
Frictional force increase, when material cannot lean on the gravity of itself to overcome frictional force, cause material that cannot slip out storehouse certainly, often result in
Feed blocking；Again since the moisture content of material is higher, granularity is very thin, and the sum of unit volume endoparticle surface is very big, thus cohesion
Power increases, and arcuation scaffold is generated under the support of bulkhead resistance, causes a large amount of material stocks in storehouse that cannot overcome internal friction by dead weight
It discharges outside storehouse.Well shape scaffold is formed when slight, material cannot flow in storehouse when serious, formed and blocked.Currently use is more
The block clearing of the methods of pneumatic vibration hammer, air bubble, loosening machine, rotation cleaner, after pneumatic hammer rapping is invalid, can only disable coal pulverizer
Progress is manually dredged.It rotates cleaner and is only applicable in bulk tank, hyperbola feed bin, there is limitation to rectangle bin, and
These method feed bin blockage-clearing devices will be modified raw coal chamber structure, and change quantities is big, long in time limit, of high cost.
The content of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of simple in structure, easy to use, block clearing is efficient,
Small ceramic superconductivity high pressure rotary-cut blockage-clearing device is modified to raw coal chamber structure.
The technical scheme is that：Ceramic superconductivity high pressure rotary-cut blockage-clearing device, the device include：Air accumulator, appendix,
PLC control cabinet, disconnected coal monitoring inductor and several ceramic nozzle groups；
Wherein, the top of the air accumulator is equipped with safety valve, one end connection of the safety valve and breather check valve, the air inlet
The other end of check valve and one end of air inlet ball valve connect, and the other end of the air inlet ball valve and one end of the appendix connect
It connects, the appendix is connected with one end of gas transmission branch pipe, and the other end of the gas transmission branch pipe distinguishes several ceramic nozzle groups
Air inlet connection, several ceramic nozzle groups are arranged on the easily stifled section in the lower part of feed bin, the PLC control cabinet respectively with disconnected coal
Monitoring inductor and air inlet ball valve control connection, the disconnected coal monitoring inductor are mounted on feed pipe.
Further, which includes further including pressure gauge, maintenance door and blowdown valve, and the pressure gauge is arranged on the gas storage
On tank, the maintenance door is arranged on the opposite side of the air accumulator lower part；The gas storage pot bottom is provided with blowdown valve.
Further, several ceramic nozzle groups are successively adjacent on the outer wall of feed bin from the bottom to top, and the material
It is arranged on each side wall in storehouse at least one.
Further, the ceramic nozzle group includes solenoid valve, nozzle, fixed seat, fixing nut and nozzle；The fixed seat
The side-wall outer side of the feed bin is fixed on, the nozzle is mounted on by the fixing nut in the fixed seat, the nozzle
It is placed in inside the feed bin, and is connected with one end of the nozzle, the solenoid valve is arranged on the other end of the nozzle, and institute
Solenoid valve is stated to connect with PLC control cabinet control.
Further, the nozzle is made of ceramic material, and the nozzle is connected by screw thread with the nozzle, and pin is fixed
Be locked on sprayer body, be provided with rectangle inclined hole in nozzle circular end face, inclined hole center line in axis vertical plane with it is vertical
Wire clamp angle is 25 ° ± 2.
Further, the opening ways of the ceramic nozzle group are to first turn on the ceramic nozzle nearest apart from feed bin discharge hole
Group, unlatching 5-60s unlatchings are next, open remaining ceramic nozzle group successively.
Further, the quantity of the air accumulator is one or more.
Further, the feed bin includes square conical hopper storehouse, cylinder feed bin and hyperbola feed bin.
Further, the pressure in the air accumulator is controlled in 0.4-0.8Mpa.
Further, a diameter of 25-40mm of the appendix
The beneficial effects of the invention are as follows：Due to the adoption of the above technical scheme, the present invention dredging time is short, good blocking cleaning effect, automatically
Change degree is high, and labor intensity is small.
Description of the drawings
Fig. 1 is the structure diagram of the ceramic superconductivity high pressure rotary-cut blockage-clearing device of the present invention.
Fig. 2 is the schematic cross-sectional view of the ceramic nozzle group of the present invention.
Specific implementation method
Technical scheme is described further below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, ceramic superconductivity high pressure rotary-cut blockage-clearing device of the present invention, the device include：Air accumulator 1, appendix
2nd, PLC control cabinet 4 and several ceramic nozzle groups 6；
Wherein, the one end of the top of the air accumulator 1 equipped with safety valve 1-1, the safety valve 1-1 and breather check valve 1-2 connects
Connect, the other end of the breather check valve 1-2 is connected with one end of air inlet ball valve 1-3, the other end of the air inlet ball valve 1-3 with
One end connection of the appendix 2, the appendix 2 are connected with one end of gas transmission branch pipe 2-1, and the gas transmission branch pipe 2-1's is another
The air inlet connection of several ceramic nozzle groups 6 is distinguished in one end, and the lower part that several ceramic nozzle groups are arranged on feed bin 3 is easy
Stifled section, the PLC control cabinet 4 connect respectively with the disconnected coal monitoring inductor on feed pipe and air inlet ball valve 1-3 controls
It connects, the disconnected coal monitoring inductor 5.
The device includes further including pressure gauge 1-4, and maintenance door 1-7 and blowdown valve 1-8, the pressure gauge 1-4 are arranged on institute
It states on air accumulator 1, the maintenance door 1-7 is arranged on the opposite side of 1 lower part of air accumulator；1 bottom of air accumulator is provided with
Blowdown valve 1-8.
Several ceramic nozzle groups 6 are successively adjacent from the bottom to top on the outer wall of feed bin 3, and the feed bin 3
It is arranged on each side wall at least one.
The ceramic nozzle group 6 includes solenoid valve 6-61, nozzle 6-62, fixed seat 6-63, fixing nut 6-64 and nozzle
6-65；The fixed seat 6-63 is fixed on the side-wall outer side of the feed bin 3, and the nozzle 6-62 passes through the fixing nut 6-64
On the fixed seat 6-63, the nozzle 6-65 is placed in inside the feed bin 3, and is connected with one end of the nozzle 6-62
It connects, is locked at by pin 6-66 fixations on nozzle, the solenoid valve 6-61 is arranged on the other end of the nozzle 6-62, and institute
Solenoid valve 6-61 is stated to connect with the PLC control cabinet 4 control.
The nozzle 6-65 is made of ceramic material, and the nozzle 6-65 is connected by screw thread with the nozzle 6-62, leads to
Pin 6-66 fixations are crossed to be locked on nozzle.Rectangle inclined hole is provided in nozzle 6-65 circular end faces, inclined hole center line is in axis
In vertical plane and vertical line angle is 25 ° ± 2.
The opening ways of the ceramic nozzle group 6 are to first turn on the ceramic nozzle group nearest apart from feed bin discharge hole, are opened
It opens next after opening, opens remaining ceramic nozzle group successively.
The quantity of the air accumulator 1 is one or more.
The feed bin 3 includes square conical hopper storehouse, cylinder feed bin and hyperbola feed bin.
Pressure in the air accumulator 1 is controlled in 0.4-0.8Mpa.
The present invention operation principle be：
In the easily stifled section of feed bin 3, uniformly punched on bulkhead in the horizontal direction from the bottom to top with coal bunker central axial direction, hole
Diameter is identical with 6 diameter of ceramic nozzle group, and layering is arranged from the bottom to top, and ceramic nozzle is locked in fixed seat by bolt.
In use, when feed bin 3 blocks, disconnected coal monitoring sensing dress is provided on the feed pipe of one end of feeder
It puts, when feeder breaks coal, inductive signal is fed back to PLC control cabinet 4 by disconnected coal monitoring inductor, and PLC control cabinet 4 is from close
The solenoid valve 6-61 of the first layer ceramic nozzle group 6 of discharge outlet is opened, the ceramic nozzle group 6 of interval second layer after 5-60 seconds
Solenoid valve 6-61 open, sequential opening cycle sprays gases at high pressure to remaining ceramic nozzle group 6 into coal bunker 3 from bottom to up, after
Under supreme sequential loop gases at high pressure are sprayed into coal bunker.The time of jet, interval time length is adjustable.Entire jet process
It is to cycle the jet into coal bunker successively from bottom to up；With layer jet order be first front, below simultaneously spray, be then left side, the right side
It sprays simultaneously side.The coal dust of coal bunker wall is bonded in using ceramic nozzle ejection pressure-air kinetic energy stripping, makes material from bin wall
It loosens, come off；The free property activation coal dust production cohesive force of compressed air simultaneously, reduces the frictional force of coal dust and coal dust, makes its pine
It is dynamic, and the downward jet thrust of pressure-air, boosting coal dust flow downward, so as to solve the problems, such as coal bunker blocking scaffold.
Claims (10)
1. ceramic superconductivity high pressure rotary-cut blockage-clearing device, which is characterized in that the device includes：Air accumulator（1）, appendix（2）、PLC
Switch board（4）With several ceramic nozzle groups（6）,
Wherein, the air accumulator（1）Top be equipped with safety valve（1-1）, the safety valve（1-1）With breather check valve（1-2）
One end connection, the breather check valve（1-2）The other end and air inlet ball valve（1-3）One end connection, the air inlet ball valve
（1-3）The other end and the appendix（2）One end connection, the appendix（2）With gas transmission branch pipe（2-1）One end connect
It connects, the gas transmission branch pipe（2-1）The other end distinguish several ceramic nozzle groups（6）Air inlet connection, several potteries
Porcelain nozzle sets are arranged on feed bin（3）The easily stifled section in lower part, the PLC control cabinet（4）It is supervised respectively with the coal that breaks on feed pipe
Survey sensing device and air inlet ball valve（1-3）Control connection.
2. the apparatus according to claim 1, which is characterized in that the device includes further including pressure gauge（1-4）, maintenance door
（1-7）And blowdown valve（1-8）, the pressure gauge（1-4）It is arranged on the air accumulator（1）On, the maintenance door（1-7）It is arranged on
The air accumulator（1）The opposite side of lower part；The air accumulator（1）Bottom is provided with blowdown valve（1-8）.
3. device according to claim 1 or 2, which is characterized in that several ceramic nozzle groups（6）Successively from the bottom to top
It is adjacent to be mounted on feed bin（3）Outer wall on, and the feed bin（3）Each side wall on arrange it is at least one.
4. according to the device described in claim 1-3 any one, which is characterized in that the ceramic nozzle group（6）Including electromagnetism
Valve（6-61）, nozzle（6-62）, fixed seat（6-63）, fixing nut（6-64）And nozzle（6-65）；The fixed seat（6-63）
It is fixed on the feed bin（3）Side-wall outer side, the nozzle（6-62）Pass through the fixing nut（6-64）Mounted on described solid
Reservation（6-63）On, the nozzle（6-65）It is placed in the feed bin（3）Inside, and with the nozzle（6-62）Threaded one end connect
It connects, passes through pin（6-66）Fixed locking, the solenoid valve（6-61）It is arranged on the nozzle（6-2）The other end, it is and described
Solenoid valve（6-61）With the PLC control cabinet（4）Control connection.
5. device according to claim 4, which is characterized in that the nozzle（6-65）It is made of ceramic material, the spray
Mouth（6-65）Opened in circular end face there are one rectangle inclined hole, the inclined hole center line in axis vertical plane with vertical wire clamp
Angle is 25 ° ± 2.
6. the apparatus according to claim 1, which is characterized in that the ceramic nozzle group（6）Opening ways to open first
It opens apart from feed bin（3）The ceramic nozzle group of the nearest first layer of discharge port opens next layer of ceramic nozzle group after opening 5-60 seconds,
Remaining ceramic nozzle group is opened successively.
7. the apparatus according to claim 1, which is characterized in that the air accumulator（1）Quantity for one or more.
8. the apparatus according to claim 1, which is characterized in that the feed bin（3）Including square conical hopper storehouse, cylinder feed bin
With hyperbola feed bin.
9. the apparatus according to claim 1, which is characterized in that the air accumulator（1）Interior pressure is controlled in 0.4-
0.8Mpa。
10. the apparatus according to claim 1, which is characterized in that the appendix（2）A diameter of 25-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492785.9A CN108100506A (en) | 2017-12-30 | 2017-12-30 | Ceramic superconductivity high pressure rotary-cut blockage-clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492785.9A CN108100506A (en) | 2017-12-30 | 2017-12-30 | Ceramic superconductivity high pressure rotary-cut blockage-clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100506A true CN108100506A (en) | 2018-06-01 |
Family
ID=62215434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711492785.9A Pending CN108100506A (en) | 2017-12-30 | 2017-12-30 | Ceramic superconductivity high pressure rotary-cut blockage-clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100506A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994488A (en) * | 2020-10-10 | 2020-11-27 | 淮南矿业(集团)有限责任公司 | Composite type product bin commercial coal wall hanging cleaning method |
| CN112722723A (en) * | 2020-12-24 | 2021-04-30 | 安徽江南化工股份有限公司 | Material dredging device for field mixed loading ammonium nitrate fuel oil explosive truck |
| CN113816026A (en) * | 2021-09-15 | 2021-12-21 | 河北邯峰发电有限责任公司 | Arch-breaking and blockage-clearing device for coal discharge ditch |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177692Y (en) * | 1993-09-16 | 1994-09-21 | 广东省环境工程装备总公司技术开发部 | Anti-blocking blanking device |
| CN101678222A (en) * | 2007-04-27 | 2010-03-24 | 马丁工程公司 | The dismountable nozzle that uses with air bubble and air blast |
| CN104029947A (en) * | 2014-06-04 | 2014-09-10 | 马鞍山市天工科技有限公司 | Rectangular taper metal bin blockage clearing equipment and use method thereof |
| CN104773478A (en) * | 2015-03-31 | 2015-07-15 | 马鞍山市天工科技有限公司 | Cyclone-type blockage removal equipment for coal bunker of thermal power plant and using method of equipment |
| CN205023233U (en) * | 2015-09-22 | 2016-02-10 | 山西康瑞建材新技术有限责任公司 | Knot device is prevented sinking in accelerator powder storehouse |
| WO2016169535A1 (en) * | 2015-04-24 | 2016-10-27 | Mosa Solution S.R.O. | Abrasion resistant pulse nozzles and a system for flow of bulk materials |
| CN107472728A (en) * | 2017-09-18 | 2017-12-15 | 马鞍山市天工科技股份有限公司 | Pneumatic auxiliary stream non-fouling nozzle |
| CN207791683U (en) * | 2017-12-30 | 2018-08-31 | 河南鼎盛铝业有限公司 | Ceramic superconductivity high pressure rotary-cut blockage-clearing device |
-
2017
- 2017-12-30 CN CN201711492785.9A patent/CN108100506A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177692Y (en) * | 1993-09-16 | 1994-09-21 | 广东省环境工程装备总公司技术开发部 | Anti-blocking blanking device |
| CN101678222A (en) * | 2007-04-27 | 2010-03-24 | 马丁工程公司 | The dismountable nozzle that uses with air bubble and air blast |
| CN104029947A (en) * | 2014-06-04 | 2014-09-10 | 马鞍山市天工科技有限公司 | Rectangular taper metal bin blockage clearing equipment and use method thereof |
| CN104773478A (en) * | 2015-03-31 | 2015-07-15 | 马鞍山市天工科技有限公司 | Cyclone-type blockage removal equipment for coal bunker of thermal power plant and using method of equipment |
| WO2016169535A1 (en) * | 2015-04-24 | 2016-10-27 | Mosa Solution S.R.O. | Abrasion resistant pulse nozzles and a system for flow of bulk materials |
| CN205023233U (en) * | 2015-09-22 | 2016-02-10 | 山西康瑞建材新技术有限责任公司 | Knot device is prevented sinking in accelerator powder storehouse |
| CN107472728A (en) * | 2017-09-18 | 2017-12-15 | 马鞍山市天工科技股份有限公司 | Pneumatic auxiliary stream non-fouling nozzle |
| CN207791683U (en) * | 2017-12-30 | 2018-08-31 | 河南鼎盛铝业有限公司 | Ceramic superconductivity high pressure rotary-cut blockage-clearing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994488A (en) * | 2020-10-10 | 2020-11-27 | 淮南矿业(集团)有限责任公司 | Composite type product bin commercial coal wall hanging cleaning method |
| CN112722723A (en) * | 2020-12-24 | 2021-04-30 | 安徽江南化工股份有限公司 | Material dredging device for field mixed loading ammonium nitrate fuel oil explosive truck |
| CN113816026A (en) * | 2021-09-15 | 2021-12-21 | 河北邯峰发电有限责任公司 | Arch-breaking and blockage-clearing device for coal discharge ditch |
| CN113816026B (en) * | 2021-09-15 | 2022-10-25 | 河北邯峰发电有限责任公司 | Arch-breaking and blockage-clearing device for coal discharge ditch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108100506A (en) | Ceramic superconductivity high pressure rotary-cut blockage-clearing device | |
| CN101654177B (en) | Device for eliminating blocking stocks from reinforced concrete ore bin and using method thereof | |
| CN207791683U (en) | Ceramic superconductivity high pressure rotary-cut blockage-clearing device | |
| CN103420052B (en) | Program-controlled coal discharging device for raw coal bunker | |
| CN104029947A (en) | Rectangular taper metal bin blockage clearing equipment and use method thereof | |
| CN201472921U (en) | Equipment for clearing shed material blocked in pneumatic scatter-type reinforced concrete ore bin | |
| CN206231906U (en) | Powder material storehouse flow-aiding device | |
| CN205471659U (en) | Clear stifled device of coal breakage pipe under air knife rotary -cut formula | |
| CN105346985A (en) | Micron-grade dry mist dust suppression device for belt conveyor | |
| CN102580955B (en) | Multipoint loosening and dredging device utilizing compressed air | |
| CN203877257U (en) | Rectangular conical metal stock bin unblocking device | |
| CN108554015A (en) | Electric control room gas treatment equipment under coal mine | |
| CN203921709U (en) | The blockage-clearing device of V flute profile disjunctor ferro-concrete feed bin | |
| CN203450637U (en) | Program-controlled coal discharging device for raw coal cabin | |
| CN104029945A (en) | Unblocking device for cylindrical flat-bottom-shaped reinforced concretebunker | |
| CN202868714U (en) | Coal drop pipe air injection dredging device | |
| CN102530439B (en) | Blockage bridging removal machine for ore bin | |
| CN102923482B (en) | Pebble coal positive-pressure pneumatic conveyor | |
| CN203877256U (en) | Blockage removal device for cylindrical flat-bottom reinforced concrete bin | |
| CN206176405U (en) | Deposition hopper not | |
| CN207191966U (en) | Big barrel dliameter cylindrical reinforced concrete feed bin blockage-clearing device | |
| CN206927270U (en) | A kind of spraying system for inclined chute block clearing | |
| CN209701412U (en) | Self-cleaning charging hopper | |
| CN204056829U (en) | A kind of coal belt conveyor system | |
| CN108639592B (en) | Floating valve type anti-blocking fluidization ash conveying method and system for dust remover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |