CN219841224U - Pressure reducing device for boiler sewage pipeline - Google Patents
Pressure reducing device for boiler sewage pipeline Download PDFInfo
- Publication number
- CN219841224U CN219841224U CN202321218876.4U CN202321218876U CN219841224U CN 219841224 U CN219841224 U CN 219841224U CN 202321218876 U CN202321218876 U CN 202321218876U CN 219841224 U CN219841224 U CN 219841224U
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- Prior art keywords
- boiler
- fixedly connected
- frame
- pipeline
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 61
- 230000001603 reducing effect Effects 0.000 title claims abstract description 23
- 230000006837 decompression Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 36
- 230000000694 effects Effects 0.000 description 13
- 238000010030 laminating Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model relates to the technical field of boiler blowdown, and the pressure reducing device for a boiler blowdown pipeline comprises the boiler blowdown pipeline, wherein a funnel frame is fixedly connected to the top of the boiler blowdown pipeline, a buoyancy block is slidably connected to the top of the funnel frame, a pressure reducing valve is fixedly connected to the top of the funnel frame, and a silk screen pressure reducing barrel is arranged at a discharge outlet of the boiler blowdown pipeline. When the boiler sewage pipeline is full of sewage, the buoyancy block is lifted to the top under the buoyancy action of the sewage to be attached to the bottom of the funnel frame to seal the exhaust port, so that the condition that the sewage passes through the exhaust port to enter the exhaust frame and then is discharged out of the pipeline through the pressure relief valve to cause pollution is avoided; when the upper part of the boiler sewage pipeline is filled with air, the buoyancy block descends under the action of gravity to open the exhaust port, so that the air in the filter sewage pipeline can pass through the exhaust port and enter the exhaust frame; when the pressure in the exhaust frame is greater than the rated value, air is discharged through the pressure relief valve to reduce the pressure in the sewage drainage pipeline.
Description
Technical Field
The utility model relates to the technical field of boiler pollution discharge, in particular to a pressure reducing device for a boiler sewage pipeline.
Background
The boiler sewage pipeline is a pipeline for draining floating oil on the water surface and dirt on the bottom of the boiler, and the waste gas possibly accumulated in the pipeline is difficult to drain in the sewage draining process, so that the internal pressure is increased and the drainage efficiency is influenced, and therefore the waste gas in the pipeline needs to be drained to play a role of pressure reduction.
In order to achieve the aim of reducing pressure and exhausting gas, and simultaneously to reduce the complexity of the structure to the maximum extent, the utility model avoids using a whole set of pressure reducing valves with larger cost, achieves the technical effects of simple structure and low cost, and has good pressure reducing and exhausting functions.
The existing pipeline pressure reducing device has the defects that: the existing pipeline pressure reducing device is used for directly discharging waste gas in a pipeline, when the pipeline contains liquid and gas, part of the liquid is easily discharged in the pressure reducing process, and sewage in a boiler sewage pipeline is difficult to clean and easily causes blockage of the pressure reducing device to influence the pressure reducing effect.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a pressure reducing device for a boiler sewage pipeline, which effectively solves the defects of the prior art.
The aim of the utility model is achieved by the following technical scheme: a pressure reducing device for boiler sewer line, includes boiler sewer line, the top fixedly connected with funnel frame of boiler sewer line, the top sliding connection of funnel frame has the slide bar, the bottom fixedly connected with buoyancy piece of slide bar, the top fixedly connected with exhaust frame of funnel frame, the top fixedly connected with relief valve of exhaust frame.
Optionally, the funnel frame is the funnel form of inversion, a plurality of gas vents have been seted up to the outside of funnel frame, the gas vent is at the equidistant distribution of funnel frame top.
Optionally, the top shape of buoyancy piece and the bottom shape looks adaptation of funnel frame, the top of buoyancy piece is laminated with the bottom of funnel frame when the boiler sewage pipeline is filled with water in.
Optionally, the buoyancy block is used for completely sealing the exhaust port, and a sealing rubber pad is fixedly connected to the top of the buoyancy block.
The technical scheme is adopted: through setting up funnel frame and the buoyancy piece that goes up and down at the top of boiler sewer pipe, when boiler sewer pipe is filled with sewage, then make buoyancy piece rise to the bottom laminating of top and funnel frame under the buoyancy effect of sewage, thereby seal the gas vent, avoid the sewage in the boiler sewer pipe to pass in the gas vent gets into the exhaust frame and then discharge the circumstances that the pipeline caused the pollution through the relief valve, when boiler sewer pipe's top was filled with air, then buoyancy piece falls under the action of gravity and makes the gas vent open, then make the air in the filtration sewer pipe can pass the gas vent and get into the exhaust frame, then discharge the pressure in the sewer pipe through the relief valve when the pressure in the exhaust frame is greater than the rating, avoid discharging the circumstances that influences the surrounding environment with sewage in the sewer pipe simultaneously, set up sealed pad at buoyancy piece top can improve its leakproofness to the gas vent.
Optionally, the center department fixedly connected with sliding sleeve at exhaust frame top, sliding sleeve and slide bar sliding connection, the top fixedly connected with compression spring of sliding sleeve inner wall, compression spring's bottom and slide bar fixed connection, compression spring's elasticity is less than the buoyancy that buoyancy piece received in water.
The technical scheme is adopted: the stability of buoyancy piece lift is improved through sliding connection of sliding sleeve and slide bar, avoids the buoyancy piece skew can't seal the condition of gas vent totally under rivers effect, sets up compression spring in the sliding sleeve and can push down the buoyancy piece, when the buoyancy piece does not receive buoyancy, compression spring pushes down and makes buoyancy piece and funnel frame break away from the laminating state, avoids both adhesion together to seal the gas vent always and influences the decompression effect.
Optionally, the front side fixedly connected with manometer of relief valve, one side rotation of relief valve is connected with adjust knob, the top fixedly connected with blast pipe of relief valve.
Optionally, the exhaust port of the boiler sewage pipeline is provided with a drain well, a decompression barrel is fixedly connected to the inside of the drain well, a plurality of round holes are formed in the outer side of the decompression barrel, a plurality of decompression silk screens are fixedly connected to the inside of the decompression barrel, and the axis of the drain port of the boiler sewage pipeline coincides with the axis of the decompression barrel.
The utility model has the following advantages:
1. this a pressure relief device for boiler sewer pipe, through setting up funnel frame and the buoyancy piece that goes up and down at boiler sewer pipe's top, when boiler sewer pipe is filled with sewage, then make buoyancy piece rise to the bottom laminating of top and funnel frame under the buoyancy effect of sewage, thereby seal the gas vent, avoid the sewage in the boiler sewer pipe to pass in the gas vent gets into the exhaust frame and then discharge the pipeline through the relief valve and cause the circumstances of pollution, when boiler sewer pipe's top is filled with air, then buoyancy piece descends under the action of gravity and makes the gas vent open, then make the air in the filtration sewer pipe can pass the gas vent and get into the exhaust frame, then discharge the pressure in the sewer pipe through the relief valve when the pressure in the exhaust frame is greater than the rated value, avoid simultaneously discharging the sewage in the sewer pipe and influence surrounding environment's condition, set up sealed pad at buoyancy piece top can improve its leakproofness to the gas vent.
2. This a pressure relief device for boiler sewer line improves the stability that buoyancy piece goes up and down through sliding connection of sliding sleeve and slide bar, avoids the buoyancy piece to deviate under the rivers effect and can't seal the condition completely with the gas vent, sets up compression spring in the sliding sleeve and can push down the buoyancy piece, when the buoyancy piece does not receive buoyancy, compression spring pushes down and makes buoyancy piece and funnel frame break away from the laminating state, avoids both adhesion together to seal the gas vent always and influences the decompression effect, when sewer is discharged from the pipeline, further reduces sewer line pressure after the buffering of silk screen decompression barrel.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the pipe section of the present utility model;
FIG. 4 is a schematic cross-sectional view of a conduit portion of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.
Reference numerals: 1-a boiler sewage discharge pipeline; 2-a funnel frame; 3-a slide bar; 4-buoyancy blocks; 5-an exhaust frame; 6-a pressure release valve; 7-an exhaust port; 8-sliding sleeve; 9-compressing the spring; 10-a pressure gauge; 11-an adjusting knob; 12-exhaust pipe; 13-a sewage well; 14-a decompression barrel; 15-decompression screen.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 5, a pressure reducing device for a boiler sewage pipeline comprises a boiler sewage pipeline 1, wherein a funnel frame 2 is fixedly connected to the top of the boiler sewage pipeline 1, a slide rod 3 is slidably connected to the top of the funnel frame 2, a buoyancy block 4 is fixedly connected to the bottom of the slide rod 3, an exhaust frame 5 is fixedly connected to the top of the funnel frame 2, and a pressure relief valve 6 is fixedly connected to the top of the exhaust frame 5.
Example 1: the funnel frame 2 is of an inverted funnel shape, the outer side of the funnel frame 2 is provided with a plurality of exhaust ports 7, and the exhaust ports 7 are distributed at the top of the funnel frame 2 at equal intervals.
Example 2: the top shape of the buoyancy block 4 is matched with the bottom shape of the funnel frame 2, and the top of the buoyancy block 4 is matched with the bottom of the funnel frame 2 when the boiler sewage pipeline 1 is filled with water.
Example 3: the buoyancy piece 4 is with gas vent 7 totally closed, the top fixedly connected with sealing rubber pad of buoyancy piece 4, through set up funnel frame 2 and lift buoyancy piece 4 at the top of boiler sewer pipe 1, when boiler sewer pipe 1 is full of sewage, then make buoyancy piece 4 rise to the bottom laminating of top and funnel frame 2 under the buoyancy effect of sewage, thereby seal gas vent 7, avoid the sewage in the boiler sewer pipe 1 to pass in gas vent 7 gets into exhaust frame 5 and then discharge the pipeline through relief valve 6 and cause the circumstances of pollution, when the top of boiler sewer pipe 1 is full of air, then buoyancy piece 4 descends under the action of gravity and makes gas vent 7 open, then make the air in the filtration sewer pipe can pass gas vent 7 and get into exhaust frame 5, when the pressure in the exhaust frame 5 is greater than the pressure in the rating time then through relief valve 6 with the air discharge reduce the pressure in the sewer pipe, avoid the circumstances of influencing surrounding environment with the sewage discharge in the sewer pipe simultaneously, set up sealing rubber pad at the top of buoyancy piece 4 and can improve its leakproofness to gas vent 7.
Example 4: the center department fixedly connected with sliding sleeve 8 at exhaust frame 5 top, sliding sleeve 8 and slide bar 3 sliding connection, the top fixedly connected with compression spring 9 of sliding sleeve 8 inner wall, compression spring 9's bottom and slide bar 3 fixed connection, compression spring 9's elasticity is less than the buoyancy that buoyancy piece 4 received in the aquatic, the sliding connection through sliding sleeve 8 and slide bar 3 improves the stability that buoyancy piece 4 goes up and down, avoid buoyancy piece 4 to deviate from the unable totally closed condition with gas vent 7 under rivers effect, set up compression spring 9 in sliding sleeve 8 and can push down buoyancy piece 4, when buoyancy piece 4 does not receive buoyancy, compression spring 9 pushes down and makes buoyancy piece 4 and funnel frame 2 break away from the laminating state, avoid both adhesion to seal gas vent 7 together and influence the decompression effect all the time.
Example 5: the front side fixedly connected with manometer 10 of relief valve 6, one side rotation of relief valve 6 is connected with adjust knob 11, and the top fixedly connected with blast pipe 12 of relief valve 6.
Example 6: the discharge outlet of the boiler sewage pipeline 1 is provided with a drain well 13, the inside of the drain well 13 is fixedly connected with a decompression barrel 14, a plurality of round holes are formed in the outer side of the decompression barrel 14, a plurality of decompression screens 15 are fixedly connected in the decompression barrel 14, and the axis of the drain outlet of the boiler sewage pipeline 1 coincides with the axis of the decompression barrel 14.
The working principle of the utility model is as follows:
s1, when the boiler sewage pipeline 1 is filled with sewage, the buoyancy block 4 is lifted to the top under the buoyancy action of the sewage to be attached to the bottom of the funnel frame 2, so that the exhaust port 7 is sealed, and the pollution caused by the fact that the sewage in the boiler sewage pipeline 1 passes through the exhaust port 7 to enter the exhaust frame 5 and then is discharged out of the pipeline through the pressure release valve 6 is avoided;
s2, when the upper part of the boiler sewage pipeline 1 is filled with air, the buoyancy block 4 descends under the action of gravity to enable the exhaust port 7 to be opened, so that air in the filtered sewage pipeline can pass through the exhaust port 7 to enter the exhaust frame 5, when the pressure in the exhaust frame 5 is higher than a rated value, the pressure in the sewage pipeline is reduced by discharging the air through the pressure release valve 6, and the situation that the surrounding environment is influenced by discharging sewage in the sewage pipeline is avoided.
S3, when the boiler sewage is discharged from the sewage pipeline, a decompression screen 15 is arranged in a decompression barrel 14 in the sewage well 13, and the pressure of the sewage pipeline is further reduced after the boiler sewage is decompressed and buffered by the screen.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this a pressure relief device for boiler blow-down water piping 1, through setting up funnel frame 2 and lift buoyancy piece 4 at the top of boiler blow-down water piping 1, when boiler blow-down water piping 1 is full of sewage, then make buoyancy piece 4 rise to the bottom laminating of top and funnel frame 2 under the buoyancy effect of sewage, thereby seal gas vent 7, avoid the sewage in the boiler blow-down water piping 1 to pass in gas vent 7 gets into gas vent frame 5 and then discharge the pipeline through relief valve 6 and cause the circumstances of pollution, when boiler blow-down water piping 1's top is full of air, then buoyancy piece 4 descends under the action of gravity and makes gas vent 7 open, then make the air in the filtration blow-down water piping 1 can pass gas vent 7 and get into gas vent frame 5, then discharge the pressure in the blow-down water piping through relief valve 6 when the pressure in gas vent frame 5 is greater than the rating, avoid discharging the circumstances of influencing surrounding environment with sewage in the blow-down water piping simultaneously, set up sealed pad can improve its leakproofness to gas vent 7 at buoyancy piece 4 top.
2. This a pressure relief device for boiler blow-down water pipe 1 improves the stability that buoyancy piece 4 goes up and down through sliding sleeve 8 and slide bar 3, avoid buoyancy piece 4 skew unable totally closed condition with gas vent 7 under rivers effect, set up compression spring 9 in sliding sleeve 8 and can push down buoyancy piece 4, when buoyancy piece 4 does not receive buoyancy, compression spring 9 pushes down and makes buoyancy piece 4 and funnel frame 2 break away from the laminating state, avoid both adhesion together to seal gas vent 7 always and influence the decompression effect, when boiler blow-down water is discharged from the blow-down water pipe, decompression silk screen 15 is equipped with in the inside decompression barrel 14 of blow-down well 13, further reduce blow-down water pipe pressure after the decompression buffering of silk screen.
Claims (7)
1. A pressure relief device for a boiler blow down water line, characterized by: including boiler drainage pipeline (1), the top fixedly connected with funnel frame (2) of boiler drainage pipeline (1), the top sliding connection of funnel frame (2) has slide bar (3), the bottom fixedly connected with buoyancy piece (4) of slide bar (3), the top fixedly connected with exhaust frame (5) of funnel frame (2), the top fixedly connected with relief valve (6) of exhaust frame (5).
2. A pressure reducing device for a boiler blow down water tunnel according to claim 1, characterized in that: the funnel frame (2) is of an inverted funnel shape, a plurality of exhaust ports (7) are formed in the outer side of the funnel frame (2), and the exhaust ports (7) are distributed at the top of the funnel frame (2) at equal intervals.
3. A pressure reducing device for a boiler blow down water tunnel according to claim 2, characterized in that: the top shape of buoyancy block (4) and the bottom shape looks adaptation of funnel frame (2), the top of buoyancy block (4) is laminated with the bottom of funnel frame (2) when filling water in boiler drainage pipeline (1).
4. A pressure reducing device for a boiler blow down water tunnel according to claim 3, characterized in that: the buoyancy block (4) is used for completely sealing the exhaust port (7), and the top of the buoyancy block (4) is fixedly connected with a sealing rubber pad.
5. A pressure reducing device for a boiler blow down water tunnel according to claim 4, wherein: the center department fixedly connected with sliding sleeve (8) at exhaust frame (5) top, sliding sleeve (8) and slide bar (3) sliding connection, the top fixedly connected with compression spring (9) of sliding sleeve (8) inner wall, the bottom and slide bar (3) fixed connection of compression spring (9), the elasticity of compression spring (9) is less than buoyancy that buoyancy piece (4) received in water.
6. A pressure reducing device for a boiler blow down water tunnel according to claim 5, characterized in that: the front side fixedly connected with manometer (10) of relief valve (6), one side rotation of relief valve (6) is connected with adjust knob (11), the top fixedly connected with blast pipe (12) of relief valve (6).
7. A pressure reducing device for a boiler blow down water tunnel according to claim 6, wherein: the utility model discloses a boiler sewage pipeline (1), including boiler sewage pipeline (1) and relief pressure bucket (14), the discharge port of boiler sewage pipeline (1) is provided with drain well (13), the inside fixedly connected with decompression bucket (14) of drain well (13), a plurality of round holes have been seted up in the outside of decompression bucket (14), the inside fixedly connected with of decompression bucket (14) a plurality of decompression silk screen (15), the drain axle center of boiler sewage pipeline (1) coincides with the axle center of decompression bucket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218876.4U CN219841224U (en) | 2023-05-19 | 2023-05-19 | Pressure reducing device for boiler sewage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218876.4U CN219841224U (en) | 2023-05-19 | 2023-05-19 | Pressure reducing device for boiler sewage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841224U true CN219841224U (en) | 2023-10-17 |
Family
ID=88306086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321218876.4U Active CN219841224U (en) | 2023-05-19 | 2023-05-19 | Pressure reducing device for boiler sewage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841224U (en) |
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2023
- 2023-05-19 CN CN202321218876.4U patent/CN219841224U/en active Active
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