CN219526684U - Ash conveying reducing taper pipe capable of on-line cleaning block - Google Patents
Ash conveying reducing taper pipe capable of on-line cleaning block Download PDFInfo
- Publication number
- CN219526684U CN219526684U CN202223239614.4U CN202223239614U CN219526684U CN 219526684 U CN219526684 U CN 219526684U CN 202223239614 U CN202223239614 U CN 202223239614U CN 219526684 U CN219526684 U CN 219526684U
- Authority
- CN
- China
- Prior art keywords
- hand hole
- pipe body
- taper pipe
- diameter
- variable
- 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
- 238000004140 cleaning Methods 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses an ash conveying variable-diameter taper pipe capable of being blocked on line, which belongs to the technical field of ash discharging of blast furnace dust collectors and comprises a variable-diameter taper pipe body arranged between a hydraulic ash discharging valve and a manual maintenance valve, wherein the large-diameter end of the variable-diameter taper pipe body faces the hydraulic ash discharging valve, the upper end of the variable-diameter taper pipe body is provided with an upper end flange used for being connected with the hydraulic ash discharging valve, and the upper end of the variable-diameter taper pipe body is provided with a lower end flange used for being connected with the manual maintenance valve; the diameter-variable taper pipe body is provided with a hand hole pipe body communicated with the inside of the diameter-variable taper pipe body, a hand hole flange is arranged at the outer connecting end of the hand hole pipe body, a hand hole end cover is connected to the hand hole flange through a fastener, a steel pipe communicated with the inside of the hand hole pipe body is arranged at the center of the hand hole end cover, and the steel pipe is connected with a rubber pipe joint through a plug valve; the utility model can effectively reduce the blockage caused by the reducing taper pipe, is convenient and simple to clean, and does not need to detach the whole taper pipe.
Description
Technical Field
The utility model belongs to the technical field of ash discharging of blast furnace dust collectors, and particularly relates to an ash conveying reducing taper pipe capable of cleaning blockage on line.
Background
The gravity dust remover of the blast furnace adopts a mature process of dust discharging by a suction and discharge vehicle, and is applied to most of domestic iron and steel enterprises. The cyclone dust collector is adopted in blast furnaces of part of domestic ironworks, so that the situation that a lining plate and internal large abrasion-resistant materials fall off can occur in production, and if the large materials enter the middle ash tank, the pipeline of the suction and discharge truck is easily blocked. Meanwhile, because the dust-removing ash contains water vapor, the dust-removing and reducing taper pipe is easy to harden and block.
In the pneumatic ash conveying process of blast furnace dust, as the diameter of the hydraulic ash discharge valve flange is different from that of the overhaul valve flange, the ash conveying reducing taper pipe between the hydraulic ash discharge valve flange and the overhaul valve flange is blocked by foreign matters once, and the ash discharge is not smooth and even blocked, so that the normal ash discharge is affected. The whole taper pipe needs to be disassembled in the cleaning process, time and labor are wasted, the working progress is influenced, and the whole taper pipe is disassembled to easily cause material to be scattered and pollute the ground.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the ash conveying variable-diameter taper pipe capable of cleaning the blockage on line, which can effectively reduce the blockage caused by the variable-diameter taper pipe, is convenient and simple to clean, and does not need to disassemble the whole taper pipe.
The utility model discloses an ash conveying variable-diameter taper pipe capable of realizing on-line blocking removal, which comprises a variable-diameter taper pipe body arranged between a hydraulic ash discharge valve and a manual maintenance valve, wherein the large-diameter end of the variable-diameter taper pipe body faces the hydraulic ash discharge valve, the upper end of the variable-diameter taper pipe body is provided with an upper end flange used for being connected with the hydraulic ash discharge valve, and the lower end of the variable-diameter taper pipe body is provided with a lower end flange used for being connected with the manual maintenance valve;
the reducing taper pipe body is provided with a hand hole pipe body communicated with the inside of the reducing taper pipe body, the outer connecting end of the hand hole pipe body is provided with a hand hole flange, the hand hole flange is connected with a hand hole end cover through a fastener, the center of the hand hole end cover is provided with a steel pipe communicated with the inside of the hand hole pipe body, and the steel pipe is connected with a rubber pipe joint through a plug valve and used for performing nitrogen purging, cleaning and boosting functions;
and a grate is arranged below the hand hole pipe body in the reducing taper pipe body.
Furthermore, the grate is formed by transverse and longitudinal staggered welding of ten round steels with the length of 300 mm and the diameter of 16 mm. Can make the space on the comb more even, the effectual big foreign matter of screening.
Furthermore, grooves are correspondingly formed in the sealing surfaces of the hand hole flange and the hand hole end cover, three grooves are formed in the same distance, and the depth of each groove is 0.5-1 mm.
Further, the nominal diameter of the upper end of the reducing taper pipe body is 500 mm, the nominal diameter of the lower end of the reducing taper pipe body is 150 mm, and the length of the reducing taper pipe body is 650 mm.
Further, the distance between the central axis of the hand hole pipe body and the lower end flange is 400 mm.
Further, a sealing gasket is arranged between the hand hole end cover and the hand hole flange.
Further, the sealing gasket is an asbestos rubber plate.
The utility model has the advantages and technical effects that: due to the adoption of the technical scheme, the blockage caused by the reducing taper pipe can be effectively reduced, the cleaning is convenient and simple, and the whole taper pipe is not required to be disassembled. The pneumatic ash conveying device is suitable for ash discharging working conditions of the cyclone dust collector, enables the pneumatic ash conveying process to be smooth, is convenient to clear and block, does not need to detach the reducing nipple, and saves manpower and material resources. Meanwhile, for the current environment-friendly situation, ground pollution caused by disassembling the pipeline is reduced.
Through the hand hole pipe body and the grate, the hand hole can be opened to clean the massive foreign matters, and the using method is simple, convenient and quick. The manpower and material resources of maintenance personnel are reduced, and meanwhile, the environmental protection problem of ground pollution caused by the scattering of blocked materials due to the fact that the reducing taper pipe is detached is also reduced; through setting up steel pipe, plug valve and rubber tube joint, can adopt nitrogen gas boosting, sweep the mode, effectively alleviate the material hardening and unload the putty that the ash is unsmooth brings, can simple effectual clearance jam condition.
Drawings
FIG. 1 is a schematic diagram of an overall structural installation provided by an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a connection structure of a hand hole pipe body, a hand hole flange, a hand hole end cover, a steel pipe, a plug valve and a rubber pipe joint provided by the embodiment of the utility model;
fig. 3 is a partial enlarged view at a provided by an embodiment of the present utility model.
In the figure, 1, a reducing taper pipe body; 1-1, an upper end flange; 1-2, a lower end flange; 2. a hydraulic ash discharge valve; 3. a manual service valve; 4. a hand hole pipe body; 5. a grate; 6. a hand hole flange; 7. a hand hole end cover; 8. a steel pipe; 9. a plug valve; 10. a rubber pipe joint; 11. a groove; 12. and a sealing gasket.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the utility model provides a variable diameter taper pipe body 1 arranged between a hydraulic ash discharge valve 2 and a manual overhaul valve 3, wherein the large diameter end of the variable diameter taper pipe body 1 faces the hydraulic ash discharge valve 2, the upper end of the variable diameter taper pipe body 1 is provided with an upper end flange 1-1 used for being connected with the hydraulic ash discharge valve 2, specifically, the upper end flange 1-1 is connected with the hydraulic ash discharge valve 2 by adopting standard flanges DN500 and PN6, the lower end of the variable diameter taper pipe body 1 is provided with a lower end flange 1-2 used for being connected with the manual overhaul valve 3, specifically, the lower end flange 1-2 is connected with the manual overhaul valve 3 by adopting standard flanges DN150 and PN 2.5. The nominal diameter of the upper end of the reducing taper pipe body 1 is 500 mm, the nominal diameter of the lower end of the reducing taper pipe body 1 is 150 mm, the length of the reducing taper pipe body 1 is 650 mm, the wall thickness of the reducing taper pipe body 1 is 10 mm, and Q235-B is adopted as a material.
The diameter-variable taper pipe body 1 is provided with a hand hole pipe body 4 communicated with the inside of the diameter-variable taper pipe body 1, and the distance between the central axis of the hand hole pipe body 4 and the lower end flange 1-2 is 400 mm. The hand hole pipe body 4 adopts phi 219 x 6 seamless steel pipe 8, hand hole pipe body 4 outer link is provided with hand hole flange 6, hand hole flange 6 adopts phi 315/phi 2222, thick 24mm, material Q235-B, be connected with hand hole end cover 7 through the fastener on the hand hole flange 6, hand hole end cover 7 adopts phi 315, thick 18mm, material Q235-B steel sheet to make, the central point of hand hole end cover 7 put be provided with the inside steel pipe 8 that communicates of hand hole pipe body 4, the steel pipe 8 size is nominal diameter 25 millimeters, length 80 millimeters, steel pipe 8 is connected with rubber pipe joint 10 through plug valve 9 for carry out nitrogen purging, clearance and boosting function, concrete, plug valve 9 adopts DN25, PN1.0MPa.
The sealing surfaces of the hand hole flange 6 and the hand hole end cover 7 are provided with grooves 11, three grooves 11 are equidistantly arranged, and the depth of each groove 11 is 0.5-1 mm. A sealing gasket 12 is arranged between the hand hole end cover 7 and the hand hole flange 6, and the sealing gasket 12 is an asbestos rubber plate with the thickness of 5 mm. The friction force of the sealing surface between the hand hole flange 6 and the hand hole end cover 7 can be increased through the groove 11, so that the hand hole end cover 7 and the hand hole flange 6 are connected more tightly, the sealing effect is good, nitrogen is prevented from leaking from a gap when nitrogen purging and cleaning are performed, and the purging efficiency is guaranteed.
A grate 5 is arranged below the hand hole pipe body 4 in the reducing taper pipe body 1. The big material can be left on the grate 5 through the arranged grate 5. Ten round steel with the length of 300 mm and the diameter of 16 mm are adopted for the grate 5 to be welded in a transverse and longitudinal staggered mode, so that gaps on the grate 5 are more uniform, and large foreign matters can be effectively screened.
When the device works, the rubber pipe joint 10 is connected with an external nitrogen source, when blockage is generated due to material hardening and ash discharging unsmooth, the plug valve 9 is rotated, external nitrogen is introduced into the reducing taper pipe body 1, and the blockage position where the material hardening and ash discharging unsmooth is cleaned by utilizing a nitrogen boosting and purging mode. When the massive foreign matters need to be cleaned, the fasteners at the hand hole end cover 7 are unscrewed, the hand hole end cover 7 is taken down from the hand hole flange 6, an operator can stretch hands into the variable-diameter taper pipe body 1 through the hand hole pipe body 4 on the grate 5 below the hand hole pipe body 4, the massive foreign matters are taken out, and the hand hole end cover 7 is connected with the hand hole flange 6 through the fasteners after the massive foreign matters are taken out.
Due to the adoption of the technical scheme, the blockage caused by the reducing taper pipe can be effectively reduced, the cleaning is convenient and simple, and the whole taper pipe is not required to be disassembled. The pneumatic ash conveying device is suitable for ash discharging working conditions of the cyclone dust collector, enables the pneumatic ash conveying process to be smooth, is convenient to clear and block, does not need to detach the reducing nipple, and saves manpower and material resources. Meanwhile, for the current environment-friendly situation, ground pollution caused by disassembling the pipeline is reduced.
Through the hand hole pipe body 4 and the grate 5, the hand hole can be opened to clean the massive foreign matters, and the using method is simple, convenient and quick. The manpower and material resources of maintenance personnel are reduced, and meanwhile, the environmental protection problem of ground pollution caused by the scattering of blocked materials due to the fact that the reducing taper pipe is detached is also reduced; through setting up steel pipe 8, plug valve 9 and rubber tube joint 10, can adopt nitrogen gas boosting, sweep the mode, effectively alleviate the material hardening and unload the putty that the ash is unsmooth brings, can simple effectual clearance jam condition.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The ash conveying variable-diameter taper pipe capable of being cleaned and blocked online is characterized by comprising a variable-diameter taper pipe body (1) arranged between a hydraulic ash discharge valve (2) and a manual overhaul valve (3), wherein the large-diameter end of the variable-diameter taper pipe body (1) faces the hydraulic ash discharge valve (2), the upper end of the variable-diameter taper pipe body (1) is provided with an upper end flange (1-1) used for being connected with the hydraulic ash discharge valve (2), and the lower end of the variable-diameter taper pipe body (1) is provided with a lower end flange (1-2) used for being connected with the manual overhaul valve (3);
the device is characterized in that a hand hole pipe body (4) communicated with the inside of the reducing taper pipe body (1) is arranged on the reducing taper pipe body (1), a hand hole flange (6) is arranged at the outer connecting end of the hand hole pipe body (4), a hand hole end cover (7) is connected to the hand hole flange (6) through a fastener, a steel pipe (8) communicated with the inside of the hand hole pipe body (4) is arranged at the center of the hand hole end cover (7), and the steel pipe (8) is connected with a rubber pipe joint (10) through a plug valve (9) and used for performing nitrogen purging, cleaning and boosting functions;
a grate (5) is arranged below the hand hole pipe body (4) in the reducing taper pipe body (1).
2. The ash conveying reducing taper pipe capable of clearing blockage on line according to claim 1, wherein the grate (5) is formed by transverse and longitudinal staggered welding of ten round steels with the length of 300 mm and the diameter of 16 mm.
3. The ash conveying reducing taper pipe capable of on-line blocking removal according to claim 1 or 2, wherein grooves (11) are formed in sealing surfaces of the hand hole flange (6) and the hand hole end cover (7), three grooves (11) are formed in an equidistant mode, and the depth of each groove (11) is 0.5-1 mm.
4. The ash conveying variable-diameter taper pipe capable of clearing blockage on line according to claim 1, wherein the nominal diameter of the upper end of the variable-diameter taper pipe body (1) is 500 mm, the nominal diameter of the lower end is 150 mm, and the length is 650 mm.
5. The ash conveying reducing taper pipe capable of being cleaned and blocked on line according to claim 1, wherein the distance between the central axis of the hand hole pipe body (4) and the lower end flange (1-2) is 400 mm.
6. The ash conveying reducing taper pipe capable of being cleaned and blocked on line according to claim 1, wherein a sealing gasket (12) is arranged between the hand hole end cover (7) and the hand hole flange (6).
7. The ash conveying reducing taper pipe capable of being cleaned and blocked on line according to claim 6, wherein the sealing gasket (12) is an asbestos rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239614.4U CN219526684U (en) | 2022-11-28 | 2022-11-28 | Ash conveying reducing taper pipe capable of on-line cleaning block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239614.4U CN219526684U (en) | 2022-11-28 | 2022-11-28 | Ash conveying reducing taper pipe capable of on-line cleaning block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219526684U true CN219526684U (en) | 2023-08-15 |
Family
ID=87587397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239614.4U Active CN219526684U (en) | 2022-11-28 | 2022-11-28 | Ash conveying reducing taper pipe capable of on-line cleaning block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219526684U (en) |
-
2022
- 2022-11-28 CN CN202223239614.4U patent/CN219526684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219526684U (en) | Ash conveying reducing taper pipe capable of on-line cleaning block | |
| CN205347468U (en) | Blast furnace stave prosthetic devices | |
| CN203833872U (en) | Coke oven ceramic spray-welding machine | |
| CN202176354U (en) | Blowout prevention and dust collection device for hole drilled along seam | |
| CN2829922Y (en) | Simple cleaning appts. for bearing | |
| CN221939159U (en) | A device for observing and cleaning materials at the bottom of a solid silo | |
| CN214694257U (en) | Dust removal cyclone dust collector for coal gas discharged from blast furnace top charging bucket | |
| CN214598234U (en) | External denitration system of low-temperature wet method furnace | |
| CN201284897Y (en) | Limited flexible pipe expansion joint apparatus with filtering function | |
| CN216988472U (en) | Filter screen for cleaning buffer hopper inlet of slag dryer series connection chain | |
| CN211836929U (en) | Chute spraying dust-settling device | |
| CN201348444Y (en) | Combined spray gun of gunning machine | |
| CN222335406U (en) | Vertical cleaning device for flue gas heat exchanger | |
| CN220182118U (en) | Pneumatic ash conveying device for cleaning | |
| CN222020081U (en) | A coke slag screening device for recycling blast furnace coke powder | |
| CN204453824U (en) | A kind of Pneumatic ash conveying large ash silo ash inlet assembly | |
| CN217178528U (en) | Anti-accumulation device in hot coil furnace | |
| CN209613284U (en) | metal mine slurry nozzle | |
| CN222555615U (en) | Leakage-proof structure of digestion grinding ore feeder | |
| CN221720852U (en) | A corrugated protection device for the lower part of a blast furnace roof | |
| CN216574602U (en) | Negative-pressure dust pumping device for clearing accumulated dust | |
| CN222906575U (en) | Pneumatic blockage clearing device | |
| CN211444053U (en) | Split type steel wire rope self-cleaning coal dropping barrel | |
| CN217370464U (en) | A metal powder material circulation device | |
| CN222864944U (en) | Solid dangerous waste disposal stepped combustion furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |