CN215710263U - Power station limestone powder storehouse filters conveyor - Google Patents
Power station limestone powder storehouse filters conveyor Download PDFInfo
- Publication number
- CN215710263U CN215710263U CN202120645682.7U CN202120645682U CN215710263U CN 215710263 U CN215710263 U CN 215710263U CN 202120645682 U CN202120645682 U CN 202120645682U CN 215710263 U CN215710263 U CN 215710263U
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- China
- Prior art keywords
- powder
- main pipe
- filtering
- power station
- limestone powder
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- 239000000843 powder Substances 0.000 title claims abstract description 96
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 36
- 239000006028 limestone Substances 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 5
- 239000003223 protective agent Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a limestone powder bin filtering and conveying device for a power station, which comprises a filtering tank, wherein a filtering screen is fixedly connected inside the filtering tank, a powder bin main pipe is connected on the side wall of the filtering tank in a flange manner, a powder feeding main pipe elbow is connected on the bottom of the filtering tank in a flange manner, a powder feeding main pipe is welded at the tail end of the powder feeding main pipe elbow, a flat iron fastening clamp is sleeved on the side wall of the powder feeding main pipe, a plurality of flat iron fastening device bolts are arranged on the side wall of the flat iron fastening clamp, a connecting groove is formed in the side wall of the flat iron fastening clamp, a rocking wall rod is hinged inside the connecting groove, a high-strength nut is fixedly connected at the end part of the rocking wall rod, a fastening switch lead screw is connected inside the high-strength nut in a threaded manner, the powder bin main pipe is connected with the filtering tank through a flange, the filtering tank is also connected with the powder feeding main pipe elbow through the flange, when the conveying device cannot normally work inside, the device can be overhauled by removing the flange, the time and labor consumed during maintenance are reduced.
Description
Technical Field
The utility model relates to the technical field of limestone powder conveying, in particular to a power station limestone powder bin filtering and conveying device.
Background
On the limestone powder tank car passed through the limestone powder storehouse conveying powder pipe that the rubber tube is connected to the power plant, opened and carried powder pipe entry ball valve, the tank car is through taking compressed air from the area with limestone powder in the pipeline carries the powder storehouse, the limestone powder in the powder storehouse is carried to the thick liquid incasement through the batcher, carries out water and drinks lime powder thick liquid ratio, and final thick liquid is carried to and is carried out flue gas desulfurization in the desulfurizing tower.
At present, the limestone powder conveying pressure is 0.6MPa, limestone powder flowing at a high speed passes through a ball valve, the ball valve is abraded, the ball valve is often abraded and leaked badly, a valve needs to be overhauled and replaced manually at regular intervals, powder leakage on site is caused, civilized production on site is damaged, meanwhile, the limestone powder tank truck is not strictly managed during deposition or loading and unloading, large particles or foreign matters can appear in the tank truck, the limestone powder tank truck is blown and conveyed by compressed air and conveyed into a powder bin through a pipeline, when the limestone powder is blocked in a feeder, a large amount of manpower is needed for disassembly and overhaul of the feeder, a large amount of manpower waste is caused, and therefore the limestone powder bin filtering and conveying device for the power station is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a limestone powder bin filtering and conveying device for a power station.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a limestone powder bin filtering and conveying device for a power station comprises a filtering tank, wherein a filter screen is fixedly connected inside the filtering tank, a powder bin main pipe is connected to the side wall of the filtering tank in a flange mode, a powder feeding main pipe elbow is connected to the bottom of the filtering tank in a flange mode, a powder feeding main pipe is welded at the tail end of the powder feeding main pipe elbow, a flat iron fastening clamp is sleeved on the side wall of the powder feeding main pipe in a sleeved mode, a plurality of flat iron fastening device bolts are arranged on the side wall of the flat iron fastening clamp, a connecting groove is formed in the side wall of the flat iron fastening clamp, a shaking wall rod is hinged inside the connecting groove, a high-strength nut is fixedly connected to the end portion of the shaking wall rod, a fastening switch lead screw is connected to the internal thread of the high-strength nut, a sealing head is fixedly connected to one end of the fastening switch lead screw, a mounting groove is formed in the side wall of the sealing head, and a sealing rubber is fixedly connected to the inside of the mounting groove, the sealing rubber is tightly abutted to the tail end of the powder feeding main pipe, and the other end of the fastening switch screw rod is fixedly connected with a straight rod type manual operation handle.
Preferably, the straight-bar type manual operating handle is made of steel bars, and the diameter of the straight-bar type manual operating handle is 10mm, and the length of the straight-bar type manual operating handle is 300 mm.
Preferably, the length of the fastening switch wire rod is 250 mm.
Preferably, the outer diameter of the fastening switch screw rod is smaller than the inner diameter of the high-strength nut, and the external thread of the fastening switch screw rod is meshed with the internal thread of the high-strength nut.
Preferably, the wear-resistant protective agent with the thickness of 2mm is arranged inside the powder feeding main pipe elbow. Preferably, the cover depth of the sealing end socket is 25mm, and the thickness of the sealing rubber is 10 mm.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, limestone powder entering from the powder feeding main pipe can be filtered through the filter screen, a large part of particles in the limestone powder is screened, the phenomenon of blockage in a pipeline is avoided, the limestone powder directly enters the powder feeding main pipe, a ball valve is not needed to control a switch, the labor and time consumed by abrasion and replacement of the ball valve are avoided, a large amount of economic benefits are saved, and meanwhile, the conveying field is cleaner and tidier.
The utility model can realize the sealing of the powder feeding main pipe by matching the mounting groove, the sealing rubber sheet and the powder feeding main pipe, the straight-bar type manual operation handle is rotated, the fastening switch screw rod starts to rotate by the straight-bar type manual operation handle, the sealing end head moves towards one side of the powder feeding main pipe by the rotation of the fastening switch screw rod, the sealing rubber sheet is tightly propped against the end part of the powder feeding main pipe in the moving process of the sealing end head to realize the sealing of the powder feeding main pipe, the disassembly of the sealing end head can be realized by reversely rotating the straight-bar type manual operation handle, the powder bin main pipe is connected with the filter tank through a flange, the filter tank is also connected with the powder feeding main pipe elbow through a flange, when the conveying device cannot normally work inside, the flange is detached to overhaul the inside of the device, and time and labor consumed during maintenance are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a limestone powder bin filtering and conveying device for a power station, which is provided by the utility model;
FIG. 2 is a cross-sectional view of the powder feeding mother tube according to the present invention;
FIG. 3 is an enlarged view of portion B of the present invention;
FIG. 4 is an enlarged view of portion A of the present invention;
fig. 5 is a cross-sectional view of a canister of the present invention.
In the figure: 1 filtering tank, 2 filter screens, 3 powder bin main pipes, 4 powder feeding main pipe elbows, 5 powder feeding main pipes, 6 flat iron fastening clamps, 7 flat iron fastening device bolts, 8 connecting grooves, 9 rocker arms, 10 straight rod type manual operation handles, 11 fastening switch screw rods, 12 sealing heads, 13 high-strength nuts, 14 mounting grooves and 15 sealing rubber sheets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a limestone powder bin filtering and conveying device for a power station comprises a filtering tank 1, a filtering screen 2 is fixedly connected inside the filtering tank 1, a powder bin main pipe 3 is connected to the side wall of the filtering tank 1 through a flange, the flange is DN80, a powder feeding main pipe elbow 4 is connected to the bottom of the filtering tank 1 through a flange, the flange is DN80, a wear-resistant protective agent with the thickness of 2mm is arranged inside the powder feeding main pipe elbow 4, a powder feeding main pipe 5 is welded to the tail end of the powder feeding main pipe elbow 4, a flat iron fastening clamp 6 is sleeved on the side wall of the powder feeding main pipe 5, a plurality of flat iron fastening device bolts 7 are arranged on the side wall of the flat iron fastening clamp 6, a connecting groove 8 is arranged on the side wall of the flat iron fastening clamp 6, a swinging wall rod 9 is hinged inside the connecting groove 8, a high-strength nut 13 is fixedly connected to the end of the wall rod 9, a screw rod fastening switch 11 is connected to the internal thread of the high-strength nut 13, the external diameter of fastening switch lead screw 11 is less than the internal diameter of high strength nut 13, the model of high strength nut 13 is M16, fastening switch lead screw 11's external screw thread meshes with the internal thread of high strength nut 13 mutually, fastening switch lead screw 11's length is 250mm, fastening switch lead screw 11's one end fixedly connected with seal head 12, mounting groove 14 has been seted up on seal head 12's the lateral wall, the inside fixedly connected with packing rubber 15 of mounting groove 14, packing rubber 15 offsets tightly with the end that send powder female pipe 5, the lid of seal head 12 is dark to 25mm, the thickness of packing rubber 15 is 10mm, fastening switch lead screw 11's other end fixedly connected with straight-bar formula manual operation handle 10, the material of straight-bar formula manual operation handle 10 is the reinforcing bar, straight-bar formula manual operation handle 10's diameter is 10mm, the length is 300 mm.
In the utility model, when the sealing end socket 12 needs to be disassembled, the straight-bar type manual operation handle 10 is reversely rotated, the straight-bar type manual operation handle 10 drives the fastening switch screw rod 11 to reversely rotate, the fastening switch screw rod 11 drives the sealing end socket 12 to move towards the direction far away from the powder feeding main pipe 5 in the rotating process so as to open the powder feeding main pipe 5, then the end part of the powder feeding main pipe 5 is connected with a limestone powder tanker, one end of the powder bin main pipe 3 is connected with a powder bin with a 15m high-level sealing rubber sheet, limestone powder enters the powder feeding main pipe elbow 4 through the powder feeding main pipe 5 under the action of the self pressure of the limestone powder tanker, the direction of the limestone powder is changed through the powder feeding main pipe elbow 4, and the wear-resistant protective agent with the thickness of 2mm of a filter screen is arranged in the powder feeding main pipe elbow 4, so that the limestone powder feeding main pipe elbow 4 can be prevented from being damaged by the limestone powder, after entering into filter tank 1 through sending powder female pipe elbow 4, install filter screen 2 in filtering tank 1 and can filter the limestone powder, filter screen 2 can filter the large granule in the limestone powder, avoid appearing blockking up, when the inside of filtering tank 1 breaks down, because be connected through the flange between filter tank 1 and the female pipe 3 in powder storehouse, and filter tank 1 and send also to be connected through the flange between the powder female pipe elbow 4, thereby can dismantle the partial part of device fast, the time and the manpower that consume when alleviateing the maintenance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a power station limestone powder storehouse filters conveyor, includes crosses filter tank (1), its characterized in that, the inside fixedly connected with filter screen (2) of filter tank (1), flange joint has powder storehouse female pipe (3) on the lateral wall of filter tank (1), the bottom flange joint who crosses filter tank (1) has send powder female pipe elbow (4), the welding has on sending the end of powder female pipe elbow (4) and send powder female pipe (5), the cover is equipped with band iron mounting clip (6) on sending the lateral wall of powder female pipe (5), be provided with a plurality of band iron fastener bolt (7) on the lateral wall of band iron mounting clip (6), spread groove (8) have been seted up on the lateral wall of band iron mounting clip (6), the inside of spread groove (8) articulates there is rocking wall pole (9), the tip fixedly connected with high strength nut (13) of rocking wall pole (9), the inside threaded connection of high strength nut (13) has fastening switch lead screw (11), the one end fixedly connected with sealing head (12) of fastening switch lead screw (11), mounting groove (14) have been seted up on the lateral wall of sealing head (12), the inside fixedly connected with rubber packing (15) of mounting groove (14), rubber packing (15) and the terminal counterbalance of sending powder female pipe (5) tightly, the other end fixedly connected with straight-bar type manual operation handle (10) of fastening switch lead screw (11).
2. The power station limestone powder storehouse filtering and conveying device as claimed in claim 1, characterized in that the straight-bar type manual operating handle (10) is made of steel bars, the diameter of the straight-bar type manual operating handle (10) is 10mm, and the length of the straight-bar type manual operating handle is 300 mm.
3. The plant limestone powder silo filtering conveying device of claim 1, characterized in that the length of the fastening switch screw rod (11) is 250 mm.
4. The power station limestone powder storehouse filtering and conveying device as claimed in claim 1, characterized in that, the outer diameter of the fastening switch screw rod (11) is smaller than the inner diameter of the high-strength nut (13), the outer thread of the fastening switch screw rod (11) is meshed with the inner thread of the high-strength nut (13).
5. The power station limestone powder storehouse filtering and conveying device as claimed in claim 1, characterized in that the inside of the powder feeding main pipe elbow (4) is provided with a wear-resistant protective agent with the thickness of 2 mm.
6. The power station limestone powder silo filtering and conveying device as claimed in claim 1, characterized in that the cover depth of the sealing end enclosure (12) is 25mm, and the thickness of the sealing rubber sheet (15) is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645682.7U CN215710263U (en) | 2021-03-30 | 2021-03-30 | Power station limestone powder storehouse filters conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645682.7U CN215710263U (en) | 2021-03-30 | 2021-03-30 | Power station limestone powder storehouse filters conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215710263U true CN215710263U (en) | 2022-02-01 |
Family
ID=80028370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120645682.7U Active CN215710263U (en) | 2021-03-30 | 2021-03-30 | Power station limestone powder storehouse filters conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215710263U (en) |
-
2021
- 2021-03-30 CN CN202120645682.7U patent/CN215710263U/en active Active
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