CN111765450B - Pressure pipeline for exhausting gas of boiler pressure container - Google Patents
Pressure pipeline for exhausting gas of boiler pressure container Download PDFInfo
- Publication number
- CN111765450B CN111765450B CN202010659772.1A CN202010659772A CN111765450B CN 111765450 B CN111765450 B CN 111765450B CN 202010659772 A CN202010659772 A CN 202010659772A CN 111765450 B CN111765450 B CN 111765450B
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- Prior art keywords
- pipe
- pressure
- air inlet
- tube
- movable
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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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- 238000001816 cooling Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 16
- 239000004917 carbon fiber Substances 0.000 claims description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 3
- 239000003779 heat-resistant material Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/44—Applications, arrangements, or dispositions of alarm or automatic safety devices of safety valves
- F22B37/446—Safety devices responsive to overpressure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of boilers, and particularly relates to a pressure pipeline for exhausting gas of a boiler pressure container, which comprises a gas inlet pipe, a first alarm, a gas inlet valve, a cooling packing pipe, a sealing plug, a movable pipe, a buffer pipe, a small refrigerator, a water pipe, a second alarm and the like; the air inlet pipe and the air outlet pipe are communicated with the cooling ladle pipe; the air inlet pipe is communicated with the air outlet pipe, the air inlet pipe is sequentially provided with a first warning indicator, an air inlet valve and a first pressure gauge from left to right, and the air outlet pipe is sequentially provided with a second warning indicator, a second pressure gauge and a pressure relief valve from left to right; the part of the air inlet pipe, which is positioned on the cooling ladle pipe, is communicated with a plurality of movable pipes. Compared with the prior art, the invention has the following beneficial effects: the invention can achieve the effects of shunting medium pressure, monitoring the medium pressure in real time, giving an alarm in time, stabilizing and stabilizing the pipeline and reducing accidents.
Description
Technical Field
The invention belongs to the technical field of boilers, and particularly relates to a pressure pipeline for exhausting gas of a boiler pressure container.
Background
The boiler is operated at the same time in the two parts of boiler and boiler, after water enters the boiler, the boiler heating surface transfers the absorbed heat to water in the steam-water system, so that the water is heated into hot water with certain temperature and pressure or generated steam, and the hot water or the generated steam is led out for application. In the combustion equipment part, fuel is combusted to continuously release heat, high-temperature flue gas generated by combustion transfers the heat to a boiler heating surface through heat propagation, the temperature of the high-temperature flue gas is gradually reduced, and the high-temperature flue gas is finally discharged from a chimney.
Pressure pipes are understood to be all pipes which are subjected to internal or external pressure, irrespective of the medium in the pipe. Pressure pipes are part of pipes for transporting, distributing, mixing, separating, discharging, metering, controlling and stopping the flow of fluids, and are assembled assemblies of pipes, tubes, flanges, bolted connections, gaskets, valves, other components or pressure parts and supports.
The existing pressure pipeline can not effectively share the discharge of medium pressure in the boiler, so that the pipeline bursts easily, and the discharged medium after the boiler operation is finished contains high temperature, and the discharged medium is discharged easily, so that accidents are caused easily, and the pressure pipeline which can shunt medium pressure, monitor the medium pressure in real time, can alarm in time and can exhaust the boiler pressure container with stable pipeline needs to be researched and developed urgently.
Disclosure of Invention
The invention aims to overcome the defects that the existing pressure pipeline can not effectively share the discharge of medium pressure in a boiler, the pipeline is easy to burst, and accidents are easily caused by high temperature contained in discharged medium after the boiler operation is finished and the discharged medium is discharged.
The invention is achieved by the following specific technical means:
a pressure pipeline for exhausting gas of a boiler pressure container comprises an air inlet pipe, a first alarm, an air inlet valve, a cooling wrapping pipe, a sealing plug, a movable pipe, a buffer pipe, a small-sized refrigerator, a water pipe, a second alarm, a pressure relief valve, an air outlet pipe, a piston and an elastic part; the air inlet pipe and the air outlet pipe are both connected with the cooling ladle pipe and are both communicated with the cooling ladle pipe; the air inlet pipe is communicated with the air outlet pipe, the air inlet pipe is sequentially provided with a first warning indicator, an air inlet valve and a first pressure gauge from left to right, and the air outlet pipe is sequentially provided with a second warning indicator, a second pressure gauge and a pressure relief valve from left to right; the part intercommunication that the intake pipe is located cooling package pipe has a plurality of movable tubes, the movable tube sets up along intake pipe circumferencial direction equidistant, the movable tube passes through buffer tube and outlet duct intercommunication, be equipped with the piston in the movable tube, piston and movable intraductal surface piston motion, the piston passes through the elastic component and is connected with the movable tube, piston and movable tube, the shutoff cooperation of the intercommunication department of buffer tube, cooling package socle portion is equipped with the export, the export shutoff has the sealing plug, cooling package socle portion is equipped with small-size refrigerator, the small-size refrigerator lateral part is equipped with the water pipe.
Further, the intake pipe the outlet duct the buffer tube the activity pipe comprises heat insulation layer, carbon fiber layer, steel layer and quadrangle steel pull rod, and heat insulation layer, carbon fiber layer, steel layer arrange from inside to outside in proper order, and the carbon fiber layer is network structure, and the heat insulation layer internal surface passes through quadrangle steel pull rod and connects.
Furthermore, the left end of the air inlet pipe and the right end of the air outlet pipe are respectively provided with a flange plate.
Furthermore, the piston is made of heat-resistant materials.
Furthermore, the buffer tube consists of a straight tube and a bent tube, and the bending degree of the bent tube is 80-100 degrees.
Furthermore, the first alarm and the small refrigerator are electrically connected with the PLC.
Furthermore, the inner surface of the cooling ladle pipe is provided with a heat insulation material.
Further, the thickness ratio of the heat insulation layer, the carbon fiber layer and the steel layer is 0.8: 1.2: 0.8-1: 1.5: 1.
furthermore, the number of the movable tubes is at least four.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
Compared with the prior art, the invention has the following beneficial effects:
the invention can achieve the effects of shunting medium pressure, monitoring the medium pressure in real time, giving an alarm in time, stabilizing and stabilizing the pipeline and reducing accidents.
1. The invention can monitor the condition in the pipeline in real time through the first pressure gauge, the second pressure gauge, the first alarm and the second alarm, thereby achieving the effects of monitoring the medium pressure in real time and giving an alarm in time.
2. According to the invention, when the high-pressure gas exceeds 6MPa, the piston can be pushed out, and the buffer tube is opened, so that the high-pressure gas is divided and divided, and the purpose of dividing the medium pressure is realized.
3. According to the invention, the heat insulation layer can ensure that the pipeline cannot be heated rapidly, the carbon fiber layer can ensure the tension of the pipeline, so that the pipeline is not easy to burst, and the heat insulation layer is connected with the pipeline through the quadrilateral steel pull rod, so that the stability of the pipeline is ensured again.
4. According to the invention, the first warning indicator can control the small refrigerator to be started through the PLC, the small refrigerator can refrigerate because the water pipe is communicated with cold water, and the cold water is injected into the cooling envelope tube, so that the temperature in the cooling envelope tube can be ensured to be quickly cooled, and the accident is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of the structure of the air inlet pipe, the air outlet pipe, the buffer pipe and the movable pipe of the present invention.
Fig. 3 is a schematic view of an expanded structure of the carbon fiber layer of the present invention.
FIG. 4 is a schematic side view of the air inlet pipe, air outlet pipe, buffer pipe, and movable pipe of the present invention.
FIG. 5 is a schematic view of the connection structure of the air inlet pipe, the buffer pipe and the movable pipe according to the present invention.
The labels in the figures are: 1-air inlet pipe, 2-flange plate, 3-first warning device, 4-air inlet valve, 5-cooling bag pipe, 6-sealing plug, 7-movable pipe, 8-buffer pipe, 9-small refrigerator, 10-water pipe, 11-second warning device, 12-pressure relief valve, 13-air outlet pipe, 14-piston, 15-elastic part, 1001-heat insulation layer, 1002-carbon fiber layer, 1003-steel layer, 1004-quadrilateral steel pull rod, 1110-first pressure gauge and 1111-second pressure gauge.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
A pressure pipeline for exhausting gas of a boiler pressure container is shown in figures 1-5 and comprises an air inlet pipe 1, a first alarm 3, an air inlet valve 4, a cooling wrapping pipe 5, a sealing plug 6, a movable pipe 7, a buffer pipe 8, a small-sized refrigerator 9, a water pipe 10, a second alarm 11, a pressure relief valve 12, an air outlet pipe 13, a piston 14 and an elastic part 15; the air inlet pipe 1 and the air outlet pipe 13 are both connected with the cooling ladle pipe 5, and the air inlet pipe 1 and the air outlet pipe 13 are both communicated with the cooling ladle pipe 5; the air inlet pipe 1 is communicated with the air outlet pipe 13, the air inlet pipe 1 is sequentially provided with a first alarm 3, an air inlet valve 4 and a first pressure gauge 1110 from left to right, and the air outlet pipe 13 is sequentially provided with a second alarm 11, a second pressure gauge 1111 and a pressure relief valve 12 from left to right; intake pipe 1 is located the part intercommunication of cooling envelope pipe 5 has a plurality of movable tubes 7, movable tube 7 sets up along 1 circumferencial direction of intake pipe equidistant, movable tube 7 passes through buffer tube 8 and outlet duct 13 intercommunication, be equipped with piston 14 in the movable tube 7, piston 14 and the 7 internal surface piston 14 motion of movable tube, piston 14 passes through elastic component 15 and is connected with movable tube 7, piston 14 and movable tube 7, buffer tube 8's intercommunication department shutoff cooperation, cooling envelope pipe 5 bottom is equipped with the export, the export shutoff has sealing plug 6, cooling envelope pipe 5 top is equipped with small-size refrigerator 9, small-size refrigerator 9 lateral part is equipped with water pipe 10.
During or after the boiler operation production, high-pressure gas is directly discharged from the pressure pipeline, at the moment, if the gas temperature exceeds 45 ℃, the first warning device 3 can give an alarm, meanwhile, the first warning device 3 can control the small-sized refrigerator 9 to be started through the PLC, because the water pipe 10 is communicated with cold water, the small-sized refrigerator 9 can refrigerate, and the cold water is injected into the cooling ladle pipe 5, the temperature in the cooling ladle pipe 5 can be ensured to be rapidly cooled, in the process, the first pressure gauge 1110 can display the pressure value received by the gas inlet pipe 1, when the high-pressure gas exceeds 6MPa, the piston 14 can be pushed out, the buffer pipe 8 is opened, thereby the shunting and partial pressure of the high-pressure gas are carried out, the purpose of shunting medium pressure is realized, when the gas enters the gas outlet pipe 13, the second warning device 11 and the second pressure gauge 1111 can monitor the condition of the gas in the pipe again, the piston 14 can reset under the action of the elastic part 15 after the air exhaust operation is finished, the small refrigerator 9 is automatically closed, and water is discharged through the sealing plug 6; therefore, the effects of shunting the medium pressure, monitoring the medium pressure in real time, giving an alarm in time and stabilizing the pipeline are achieved.
The air inlet pipe 1, the air outlet pipe 13, the buffer pipe 8 and the movable pipe 7 are all composed of a heat insulation layer 1001, a carbon fiber layer 1002, a steel layer 1003 and a quadrilateral steel pull rod 1004, the heat insulation layer 1001, the carbon fiber layer 1002 and the steel layer 1003 are sequentially arranged from inside to outside, the carbon fiber layer 1002 is of a net structure, and the inner surfaces of the heat insulation layer 1001 are connected through the quadrilateral steel pull rod 1004; the heat insulating layer 1001 can guarantee that the pipeline can not heat up rapidly, and the carbon fiber layer 1002 can guarantee the tension of pipeline for the pipeline is difficult for bursting, passes through the heat insulating layer internal surface and connects through quadrangle steel pull rod 1004, guarantees the steadiness of pipeline once more.
The piston 14 is made of a heat-resistant material; softening of the piston 14 due to high temperatures is avoided.
Wherein the buffer tube 8 consists of a straight tube and a bent tube, and the bending degree of the bent tube is 80-100 degrees; by the above arrangement, it is possible to sufficiently give a buffering time to the discharge of the medium.
The first alarm 3 and the small refrigerator 9 are electrically connected with a PLC (programmable logic controller); the automation effect is realized.
Wherein, the inner surface of the cooling ladle pipe 5 is provided with a heat-insulating material; the temperature of the cooling ladle pipe 5 can be ensured to be preserved in time.
Wherein the thickness ratio of the heat insulating layer to the carbon fiber layer 1002 to the steel layer 1003 is 0.8: 1.2: 0.8-1: 1.5: 1; and the reasonable thickness ratio ensures the stability of the pressure pipeline.
At least four movable tubes 7 are arranged; the more the movable pipe 7 is provided, the more the medium and pressure of the flow can be dispersed.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.
Claims (9)
1. A pressure pipeline for exhausting gas of a boiler pressure container is characterized by comprising an air inlet pipe (1), a first alarm (3), an air inlet valve (4), a cooling packing pipe (5), a sealing plug (6), a movable pipe (7), a buffer pipe (8), a small refrigerator (9), a water pipe (10), a second alarm (11), a pressure relief valve (12), an air outlet pipe (13), a piston (14) and an elastic piece (15); the air inlet pipe (1) and the air outlet pipe (13) are both connected with the cooling ladle pipe (5), and the air inlet pipe (1) and the air outlet pipe (13) are both communicated with the cooling ladle pipe (5); the air inlet pipe (1) is communicated with the air outlet pipe (13), the air inlet pipe (1) is sequentially provided with a first alarm (3), an air inlet valve (4) and a first pressure gauge (1110) from left to right, and the air outlet pipe (13) is sequentially provided with a second alarm (11), a second pressure gauge (1111) and a pressure relief valve (12) from left to right; the part intercommunication that intake pipe (1) is located cooling envelope pipe (5) has a plurality of movable tubes (7), movable tube (7) are along intake pipe (1) circumferencial direction equidistant setting, movable tube (7) are through buffer tube (8) and outlet duct (13) intercommunication, be equipped with piston (14) in movable tube (7), piston (14) and movable tube (7) internal surface piston (14) motion, piston (14) are connected with movable tube (7) through elastic component (15), piston (14) and movable tube (7), the shutoff cooperation of intercommunication department shutoff of buffer tube (8), cooling envelope pipe (5) bottom is equipped with the export, the export shutoff has sealing plug (6), cooling envelope pipe (5) top is equipped with small-size refrigerator (9), small-size refrigerator (9) lateral part is equipped with water pipe (10).
2. The pressure pipeline for the exhaust of the boiler pressure vessel according to claim 1, wherein the air inlet pipe (1), the air outlet pipe (13), the buffer pipe (8) and the movable pipe (7) are all composed of a heat insulation layer (1001), a carbon fiber layer (1002), a steel layer (1003) and a quadrilateral steel pull rod (1004), the heat insulation layer (1001), the carbon fiber layer (1002) and the steel layer (1003) are sequentially arranged from inside to outside, the carbon fiber layer (1002) is of a net structure, and the inner surfaces of the heat insulation layer (1001) are connected through the quadrilateral steel pull rod (1004).
3. The pressure pipeline for the exhaust of the boiler pressure vessel as claimed in claim 1, wherein the flanges (2) are arranged at the left end of the inlet pipe (1) and the right end of the outlet pipe (13).
4. The pressure pipe for the exhaust gas of a boiler pressure vessel according to claim 1, wherein the piston (14) is made of a heat-resistant material.
5. The pressure pipe for the exhaust gas of a boiler pressure vessel according to claim 1, characterized in that the buffer tube (8) is composed of a straight tube and a bent tube, and the bent tube has a bending degree of 80-100 degrees.
6. The pressure pipeline for exhausting the boiler pressure vessel according to claim 1, wherein the first alarm (3) and the small-sized refrigerator (9) are electrically connected with a PLC controller.
7. The pressure pipeline for the exhaust of the boiler pressure vessel according to claim 1, characterized in that the inner surface of the cooling wrapper tube (5) is provided with a thermal insulation material.
8. The pressure duct of boiler pressure vessel exhaust gas according to claim 2, characterized in that the thickness ratio of the thermal insulation layer, the carbon fiber layer (1002), the steel layer (1003) is 0.8: 1.2: 0.8-1: 1.5: 1.
9. a pressure pipe for the exhaust gas of a boiler pressure vessel according to claim 1, characterized in that said movable pipes (7) are provided in at least four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659772.1A CN111765450B (en) | 2020-07-10 | 2020-07-10 | Pressure pipeline for exhausting gas of boiler pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659772.1A CN111765450B (en) | 2020-07-10 | 2020-07-10 | Pressure pipeline for exhausting gas of boiler pressure container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111765450A CN111765450A (en) | 2020-10-13 |
| CN111765450B true CN111765450B (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659772.1A Expired - Fee Related CN111765450B (en) | 2020-07-10 | 2020-07-10 | Pressure pipeline for exhausting gas of boiler pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111765450B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1963668U (en) * | 1966-01-10 | 1967-07-06 | Albert Lins | SAFETY VALVE FOR PRESSURE TANK, IN PARTICULAR BOILER OR STEAM BOILER. |
| CN85104248A (en) * | 1985-06-10 | 1986-12-10 | 机械工业部哈尔滨锅炉厂 | Pilot operated safety valve |
| CN207034297U (en) * | 2017-06-15 | 2018-02-23 | 王新梅 | A kind of pressure pipeline pressure relief device |
| CN207514885U (en) * | 2017-10-23 | 2018-06-19 | 广元市特种设备监督检验所 | A kind of novel boiler pressure relief device |
| CN209398890U (en) * | 2018-12-25 | 2019-09-17 | 上海凯科管业科技股份有限公司 | Pipeline with decompression function |
| CN213394111U (en) * | 2020-10-27 | 2021-06-08 | 赵培健 | Outlet pipeline structure of boiler safety valve |
-
2020
- 2020-07-10 CN CN202010659772.1A patent/CN111765450B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1963668U (en) * | 1966-01-10 | 1967-07-06 | Albert Lins | SAFETY VALVE FOR PRESSURE TANK, IN PARTICULAR BOILER OR STEAM BOILER. |
| CN85104248A (en) * | 1985-06-10 | 1986-12-10 | 机械工业部哈尔滨锅炉厂 | Pilot operated safety valve |
| CN207034297U (en) * | 2017-06-15 | 2018-02-23 | 王新梅 | A kind of pressure pipeline pressure relief device |
| CN207514885U (en) * | 2017-10-23 | 2018-06-19 | 广元市特种设备监督检验所 | A kind of novel boiler pressure relief device |
| CN209398890U (en) * | 2018-12-25 | 2019-09-17 | 上海凯科管业科技股份有限公司 | Pipeline with decompression function |
| CN213394111U (en) * | 2020-10-27 | 2021-06-08 | 赵培健 | Outlet pipeline structure of boiler safety valve |
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| Publication number | Publication date |
|---|---|
| CN111765450A (en) | 2020-10-13 |
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