CN109178985A - Unload grey dedusting structure in coal-fired plant boiler slag library - Google Patents
Unload grey dedusting structure in coal-fired plant boiler slag library Download PDFInfo
- Publication number
- CN109178985A CN109178985A CN201811068671.6A CN201811068671A CN109178985A CN 109178985 A CN109178985 A CN 109178985A CN 201811068671 A CN201811068671 A CN 201811068671A CN 109178985 A CN109178985 A CN 109178985A
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- CN
- China
- Prior art keywords
- slag
- valve
- library
- coal
- grey
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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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Classifications
-
- 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
-
- 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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- 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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of coal-fired plant boiler slag libraries to unload grey dedusting structure, the service valve and slag valve of this structure are sequentially arranged in the outlet of boiler slag library, the delivery outlet of bulk machine input port connection slag valve, slag bag covers connection bulk machine delivery outlet suitable for reading, the slag cone bucket is set in slag bag set, this structure further includes lower grey head, level sensor, negative-pressure air fan and non-return-particle seperating vale, the lower mouth of the input port connection slag bag set of lower ash head, the delivery outlet of lower ash head connects slag car feed inlet, the level sensor is set in lower grey head, negative-pressure air fan input terminal connects the bulk machine inner cavity, the negative-pressure air fan output end is through the non-return-particle seperating vale connection deduster input terminal.Fugitive dust when this structure effectively avoids coal-fired plant boiler slag library from unloading ash by negative-pressure gas solves the problems, such as that slag library unloads the dust pollution that ash generates and meets the requirement of environmental protection so that it is guaranteed that the environment of power plant and peripheral extent is clean and tidy.
Description
Technical field
The present invention relates to a kind of coal-fired plant boiler slag libraries to unload grey dedusting structure.
Background technique
Currently, domestic thermal power plant is numerous, due to thermoelectricity plant process flow and the technology and economic cause of construction, indulge
It is mostly boiler → slag library (with the same region of boiler export flue) → (electric precipitation or filter bag remove large size deduster to layout path
Dirt) → environmental protection post-processing → smoke stack emission.
The clinker generated after boiler fired coal directly passes through simply after preliminary be crushed since temperature is higher, particle is relatively slightly general
The relatively simple equipment such as chain scraper machine input slag library nearby, the position in slag library is all in the close of boiler flue gas outlet flue
Place.The clinker (containing a large amount of flyash) that slag library is concentrated is packed into automobile by the bulk machine in slag bottom storehouse portion and transports.
Although being equipped with cleaner in bulk machine and slag library, dust removing effects are excessively poor, always dust is flown upward when slag dumping,
And ideal solution can not be had in dedusting by being limited by system layout.
With the promotion of fire coal boiler fume environmental protection measure, the dust pollution that slag library automobile unloads ash generation becomes coal-fired electricity
The common fault polluted in factory, has seriously affected the environmental protection of power plant and peripheral extent.
The genesis mechanism of slag dumping dust pollution mainly has each point:
1, make to fall ash since the vertical drop of slag (ash) is blown by beam wind when slag and fly upward, spread；
2, when slag (ash), slag (ash) falls since the position of gravity can fall when putting into wagon box, and it is quick-fried to generate pressure to air in wagon box
Effect causes air-flow to take up dust and forms that certain angle is radial around flies upward diffusion with horizontal plane；
3, the dust landing adhered in bulk machine lifting bag set, causes the pollution on ground.
Wherein, mechanism 1 and mechanism 2 interact, and larger range of dust diffusion is caused to be flown upward.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of coal-fired plant boiler slag libraries to unload grey dedusting structure, this structure
Fugitive dust when coal-fired plant boiler slag library effectively being avoided to unload ash by negative-pressure gas, the dust pollution that ash generation is unloaded in solution slag library are asked
Topic, so that it is guaranteed that the environment of power plant and peripheral extent is clean and tidy, meets the requirement of environmental protection.
In order to solve the above technical problems, it includes boiler slag library, inspection that grey dedusting structure is unloaded in coal-fired plant boiler slag of the present invention library
Valve, slag valve, bulk machine, slag bag set, slag cone bucket and deduster are repaired, the service valve and slag valve are sequentially arranged in the pot
The outlet of clinker library, the bulk machine input port connect the delivery outlet of the slag valve, and the slag bag set connection suitable for reading is described to be dissipated
Installation delivery outlet, the slag cone bucket are set in slag bag set, this structure further includes lower grey head, level sensor, negative pressure
Blower and non-return-particle seperating vale, the input port of the lower grey head connect the lower mouth of the slag bag set, the lower grey head it is defeated
Outlet connection slag car feed inlet, the level sensor is set in the lower grey head, described in the negative-pressure air fan input terminal connection
Bulk machine inner cavity, the negative-pressure air fan output end connect the input terminal of the deduster through the non-return-particle seperating vale.
Further, the lower grey head includes ring flange and gap adjustment bolt nut, described in the ring flange inner ring connection
The lower mouth of slag bag set, the gap adjustment bolt are set to the ring flange disk through-hole, and the nut is twisted in the gap tune
It saves bolt and is located at the ring flange top surface.
Further, the non-return-particle seperating vale include valve body, cylinder, valve plate, shoe baffle, outlet damper, connecting rod and
Weight, the valve body are equipped with input terminal and output end, and the valve plate is located in the valve body, and the cylinder is set to the valve body top
Face and piston rod connect the top surface of the valve plate, the cylinder drive the valve plate close or the input terminal of connection valve body with it is defeated
Outlet, the valve body lower end are equipped with discharge port, and discharge port two sides valve body wall arranges that the shoe baffle is set in 45° angle
The input terminal of valve body described in valve interior wall and face on the upside of the discharge port, described connecting rod one end are articulated with outside the valve body
Wall is simultaneously located above the discharge port, and the connecting rod other end connects the outlet damper, and the outlet damper goes out described in
Material mouth, the weight are set to the lateral surface of the outlet damper.
Further, this structure further includes several gas-assisted valves, and several gas-assisted valve input terminals connect compressed gas
Source, output end are connected in pipeline and non-return-particle seperating vale valve body of the non-return-between particle seperating vale and deduster
Chamber.
Further, this structure further includes several steel wire support rings, and several steel wire support rings interval is set to the slag bag set
Inner ring.
Further, if this structure further includes dry bag set clip, if dry bag set clip interval is set to the slag bag set
Outer ring.
Further, this structure further includes opening arc-shaped guide plate, and the opening arc-shaped guide plate is fed set on the slag car
Mouth and height are greater than the ring flange height of the lower grey head.
Further, the bore of the slag cone bucket is less than the bore of the slag car feed inlet.
Further, the bore of the lower grey head is greater than the bore of the slag car feed inlet.
Further, the slag valve is Pneumatic gate valve.
Since grey dedusting structure is unloaded using above-mentioned technical proposal, the i.e. service valve of this structure in coal-fired plant boiler slag of the present invention library
It is sequentially arranged in the outlet of boiler slag library with slag valve, bulk machine input port connects the delivery outlet of slag valve, and slag bag covers connection suitable for reading
Bulk machine delivery outlet, the slag cone bucket are set in slag bag set, this structure further includes lower grey head, level sensor, negative pressure wind
Machine and non-return-particle seperating vale, it is lower ash head input port connection slag bag set lower mouth, it is lower ash head delivery outlet connect the slag car into
Material mouth, the level sensor are set in lower grey head, and negative-pressure air fan input terminal connects the bulk machine inner cavity, the negative-pressure air fan
Output end is through the non-return-particle seperating vale connection deduster input terminal.This structure effectively avoids fire coal by negative-pressure gas
Fugitive dust when ash is unloaded in boiler of power plant slag library, solves the problems, such as that the dust pollution of ash generation is unloaded in slag library, so that it is guaranteed that power plant and periphery model
The environment enclosed is clean and tidy, meets the requirement of environmental protection.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is that grey dedusting structure schematic diagram is unloaded in coal-fired plant boiler slag of the present invention library；
Fig. 2 is the top view of slag car top surface in this structure.
Specific embodiment
Embodiment is as shown in Figure 1, it includes boiler slag library 1, maintenance that grey dedusting structure is unloaded in coal-fired plant boiler slag of the present invention library
Valve 2, slag valve 3, bulk machine 4, slag bag set 5, slag cone bucket 6 and deduster 7, the service valve 2 and slag valve 3 are sequentially arranged in
The boiler slag library 1 exports, and 4 input port of bulk machine connects the delivery outlet of the slag valve 3, and the slag bag set 5 is suitable for reading
4 delivery outlet of bulk machine is connected, the slag cone bucket 6 is set in slag bag set 5, this structure further includes lower grey head 8, material
The input port of level sensor 11, negative-pressure air fan 10 and non-return-particle seperating vale 9, the lower grey head 8 connects the slag bag set 5
Lower mouth, the delivery outlet of the lower grey head 8 connects 12 feed inlet of the slag car, and the level sensor 11 is set in the lower grey head 8,
10 input terminal of negative-pressure air fan connects 4 inner cavity of bulk machine, and 10 output end of negative-pressure air fan is through the non-return-particle point
From the input terminal that valve 9 connects the deduster 7.
Preferably, the lower grey head 8 includes 82 nut 83 of ring flange 81 and gap adjustment bolt, 81 inner ring of ring flange
The lower mouth of the slag bag set 5 is connected, the gap adjustment bolt 82 is set to the 81 disk through-hole of ring flange, the nut 83
It twists in the gap adjustment bolt 82 and is located at 81 top surface of ring flange.By the height of bolt and nut regulating flange disk, make
It obtains between ring flange and slag car feed inlet there are certain gap, which can make lower grey head dust suction have optimal rises to bear
Pressure gas stream, this negative pressure gas flow adsorb fugitive dust when slag, can also constrain when slag ash enters the slag car to the intracorporal air-flow of slag car case
It presses dust caused by quick-fried effect to spray to feed inlet periphery, by adjusting the flow velocity of negative-pressure gas, can reach best pick-up performance；
The slag ash that absorption in slag cone bucket outer surface and slag bag set is fallen is imported in slag car cabinet with grey head at present.
Preferably, the non-return-particle seperating vale 9 includes valve body 91, cylinder 92, valve plate 93, shoe baffle 94, exit catch
Plate 95, connecting rod 96 and weight 97, the valve body 91 are equipped with input terminal and output end, and the valve plate 93 is located in the valve body 91,
The cylinder 92 is set on 91 top surface of valve body and piston rod connects the top surface of the valve plate 93, and the cylinder 92 drives described
Valve plate 93 is closed or the input terminal and output end of connection valve body 91,91 lower end of valve body are equipped with discharge port, the discharge port two
91 wall of side valve body arranges that the shoe baffle 94 is set to 91 inner wall of valve body on the upside of the discharge port and face institute in 45° angle
The input terminal of valve body 9 is stated, described 96 one end of connecting rod is articulated with 91 outer wall of valve body and is located above the discharge port, the company
96 other end of bar connects the outlet damper 95, and the outlet damper 95 is located at the discharge port, and the weight 97 is set to described
The lateral surface of outlet damper 95.Non-return-particle seperating vale have the function of prevent gas backflow and realize slag ash endoparticle separate,
Since non-return-particle seperating vale output gas enters deduster, and boiler smoke enters deduster, therefore non-return-through flue
Grain seperating vale effectively prevents boiler smoke from flowing backward；Simultaneously by having certain particle in the slag ash gas of negative-pressure air fan input,
Middle dust enters deduster through output end, and 45 ° of walls of particles hit shoe baffle back reflection to valve body consume kinetic energy, finally fall
Enter the discharge port of valve body lower end, it is true that the discharge port of valve body lower end usually provides certain thrust by outlet damper closing and by weight
It protects discharge port to close, when discharging, by manually boosting weight and overturning outlet damper along the hinge joint of connecting rod, particle can be from out
Material mouth is drawn off.
Preferably, this structure further includes several gas-assisted valves 13, several gas-assisted 13 input terminal of valve connection pressures
Contracting gas source, output end are connected to pipeline 14 and non-return-particle seperating vale 9 of the non-return-between particle seperating vale 9 and deduster 7
91 inner cavity of valve body.Gas-assisted valve is when negative-pressure air fan opens or closes, by compressed gas source to pipeline and body cavity
The blowing for successively carrying out high pressure gas avoids dust hardened after pipeline and body cavity sedimentation, it is ensured that unimpeded.
Preferably, this structure further includes several steel wire support rings 51, and several intervals of steel wire support ring 51 are set to the slag
The inner ring of bag set 5.The effect of steel wire support ring is to be unlikely to invaginate and reduce negative-pressure gas channel when slag bag set is by negative-pressure gas
Section, it is ensured that dust suction gas passes through smoothness in slag bag set.
Preferably, if this structure further includes dry bag set clip 52, if dry bag set clip 52 interval is set to the slag
The outer ring of bag set 5.Bag set clip is used for the fixation of slag bag set, makes it have certain rigidity, is convenient for and slag car feed inlet pair
It connects.
As shown in Fig. 2, further, this structure further includes opening arc-shaped guide plate 15, the opening arc-shaped guide plate 15 is set
In 12 feed inlet of the slag car and highly greater than 81 height of ring flange of the lower grey head 8.When the slag car moves to this structure, under
Grey head is under the guiding of opening arc-shaped guide plate convenient for alignment slag car feed inlet.
Preferably, the bore of the slag cone bucket 6 is less than the bore of 12 feed inlet of the slag car；So that slag cone bucket and slag
Airflow channel is formed between vehicle feed inlet, so that the intracorporal gas evolution of slag car case, avoids pressing quick-fried effect.
Preferably, the bore of the lower grey head 8 is greater than the bore of 12 feed inlet of the slag car.Ensure slag ash enter the slag car into
Material mouth avoids fugitive dust.
Preferably, the slag valve 3 is Pneumatic gate valve.Pneumatic gate valve is used to improve the open and close response speed of valve.
In 1 slag dumping ash of the slag car, lower grey 8 height of head is dropped into predetermined altitude, by 8 row of lower grey head when the height-debugging
Cheng Kaiguan positioning adjusting, or controlled by lifting button on the spot, remote control operation can also be used, under vehicle entrance when grey head,
Lower grey head lifting is controlled by slag car driver.
The ring flange 81 of grey head 8, makes under the slag car is guided when close to lower grey head 8 by the opening arc-shaped guide plate 15 on the slag car
The ash hole of lower ash head 8 is directed at 12 feed inlet of the slag car, and the horizontal air inlet gap between lower ash head 8 and 12 feed inlet of the slag car is by flange
82 nut 83 of gap adjustment bolt on disk 81 adjusts adjusting air inlet gap height, this can highly make lower grey 8 dust suction of head have one
Optimal rising negative pressure gas flow, dust when which adsorbs slag fly upward, can also constrain slag ash and enter 12 cabinet of the slag car
Dust caused by the quick-fried effect of interior air-flow pressure is sprayed to the periphery of 12 feed inlet of the slag car.
Be in normally open position when service valve 2 is flat, the slag car 12 in place when start negative-pressure air fan 10 first, negative-pressure gas is from lower ash
Air inlet gap between first 8 and 12 feed inlet of the slag car is risen by the space in slag bag set 5.Start 10 process of negative-pressure air fan
Following order should be followed: starting non-return-particle seperating vale 9, check-valves are opened, are successively opened to the gas-assisted valve 13 in 71 direction of flue
It opens and is blown into pressure-air；Slag valve 3 is opened after completing the above movement, slag ash passes through 4 slag of bulk machine at this time, and then by bulk
The slag cone bucket 6(slag cone bucket of machine 4 is to stretch when lower grey head is promoted) fall into the slag car 12.The dust suction gas of negative-pressure gas
Stream then enters deduster 7 by gas exhaust piping 14, and the dust in dusty gas is removed by the worry of deduster 7.
Corresponding information is incuded by level sensor 11 and exported after 12 material of the slag car is full, first shutdown slag valve 3, close after delay
Negative-pressure air fan 10 is closed, non-return-particle seperating vale 9 is finally closed, outlet damper 95 is opened by weight 97, is accumulated in scavenging valve
Particle successively opens gas-assisted valve 13 then since non-return-particle seperating vale 9, and the high pressure that gas-assisted valve 13 is opened is empty
The gas successively sedimentation dust in scavenging pipeline 14, unloads ash with sharp next time.
Claims (10)
1. grey dedusting structure, including boiler slag library, service valve, slag valve, bulk machine, slag are unloaded in a kind of coal-fired plant boiler slag library
Bag set, slag cone bucket and deduster, the service valve and slag valve are sequentially arranged in the boiler slag library outlet, and the bulk machine is defeated
Entrance connects the delivery outlet of the slag valve, the slag bag set connection bulk machine delivery outlet suitable for reading, the slag cone bucket
In slag bag set, it is characterised in that: this structure further includes lower grey head, level sensor, negative-pressure air fan and non-return-
Grain seperating vale, the input port of the lower grey head connect the lower mouth of the slag bag set, and the delivery outlet of the lower grey head connects the slag car
Feed inlet, the level sensor are set in the lower grey head, and the negative-pressure air fan input terminal connects the bulk machine inner cavity, institute
State the input terminal that negative-pressure air fan output end connects the deduster through the non-return-particle seperating vale.
2. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 1 library, it is characterised in that: the lower grey head packet
Ring flange and gap adjustment bolt nut are included, the ring flange inner ring connects the lower mouth of the slag bag set, the gap adjustment
Bolt is set to the ring flange disk through-hole, and the nut twists in the gap adjustment bolt and is located at the ring flange top surface.
3. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 1 library, it is characterised in that: the non-return-
Grain seperating vale includes valve body, cylinder, valve plate, shoe baffle, outlet damper, connecting rod and weight, the valve body be equipped with input terminal and
Output end, the valve plate are located in the valve body, and the cylinder is set to the valve body top surface and piston rod connects the valve plate
Top surface, the cylinder drives that the valve plate is closed or the input terminal and output end of connection valve body, the valve body lower end are equipped with
Material mouth, discharge port two sides valve body wall arrange that the shoe baffle is set to the valve interior wall on the upside of the discharge port in 45° angle
And the input terminal of valve body described in face, described connecting rod one end are articulated with the valve outer wall and are located above the discharge port,
The connecting rod other end connects the outlet damper, and the outlet damper is located at the discharge port, and the weight goes out described in
The lateral surface of mouth baffle.
4. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 1,2 or 3 library, it is characterised in that: this structure
It further include several gas-assisted valves, several gas-assisted valve input terminal connection compressed gas sources, output end are connected to the non-return-
Pipeline and non-return-particle seperating vale body cavity between particle seperating vale and deduster.
5. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: this structure further includes
Several steel wire support rings, several steel wire support rings interval are set to the inner ring of slag bag set.
6. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: this structure further includes
If dry bag covers clip, if dry bag set clip interval is set to the outer ring of slag bag set.
7. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: this structure further includes
Be open arc-shaped guide plate, and the opening arc-shaped guide plate is set to the slag car feed inlet and is highly greater than the method for the lower grey head
Blue disk height.
8. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: the slag cone bucket
Bore be less than the slag car feed inlet bore.
9. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: the lower grey head
Bore is greater than the bore of the slag car feed inlet.
10. grey dedusting structure is unloaded in coal-fired plant boiler slag according to claim 4 library, it is characterised in that: the slag valve
It is Pneumatic gate valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068671.6A CN109178985A (en) | 2018-09-13 | 2018-09-13 | Unload grey dedusting structure in coal-fired plant boiler slag library |
| CN201920939646.4U CN211444296U (en) | 2018-09-13 | 2019-06-21 | Coal fired power plant boiler slag storehouse sediment dust removal structure of unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068671.6A CN109178985A (en) | 2018-09-13 | 2018-09-13 | Unload grey dedusting structure in coal-fired plant boiler slag library |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109178985A true CN109178985A (en) | 2019-01-11 |
Family
ID=64910722
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068671.6A Withdrawn CN109178985A (en) | 2018-09-13 | 2018-09-13 | Unload grey dedusting structure in coal-fired plant boiler slag library |
| CN201920939646.4U Active CN211444296U (en) | 2018-09-13 | 2019-06-21 | Coal fired power plant boiler slag storehouse sediment dust removal structure of unloading |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920939646.4U Active CN211444296U (en) | 2018-09-13 | 2019-06-21 | Coal fired power plant boiler slag storehouse sediment dust removal structure of unloading |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109178985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342285A (en) * | 2019-07-19 | 2019-10-18 | 唐钢美锦（唐山）煤化工有限公司 | A kind of bucket type ash-discharging device for preventing dust from escaping |
| CN114476733A (en) * | 2022-02-16 | 2022-05-13 | 陕西精益化工有限公司 | Slag bin dust collecting equipment |
-
2018
- 2018-09-13 CN CN201811068671.6A patent/CN109178985A/en not_active Withdrawn
-
2019
- 2019-06-21 CN CN201920939646.4U patent/CN211444296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342285A (en) * | 2019-07-19 | 2019-10-18 | 唐钢美锦（唐山）煤化工有限公司 | A kind of bucket type ash-discharging device for preventing dust from escaping |
| CN114476733A (en) * | 2022-02-16 | 2022-05-13 | 陕西精益化工有限公司 | Slag bin dust collecting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN211444296U (en) | 2020-09-08 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190111 |
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| WW01 | Invention patent application withdrawn after publication |