CN212929573U - Anti-breakdown gas drainage safety device - Google Patents
Anti-breakdown gas drainage safety device Download PDFInfo
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- CN212929573U CN212929573U CN202021350721.2U CN202021350721U CN212929573U CN 212929573 U CN212929573 U CN 212929573U CN 202021350721 U CN202021350721 U CN 202021350721U CN 212929573 U CN212929573 U CN 212929573U
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Abstract
The utility model relates to a coal gas safety field especially relates to a prevent puncturing coal gas drainage safety device. A sealing cone body capable of vertically moving up and down is arranged in the inner cavity of the shell, a sealing gasket capable of sealing the water outlet is arranged on the sealing cone body, and a sealing baffle ring is arranged on the inner side of the lower part of the shell and matched with a sealing cone body gasket; the foam floater is fixed on the sealing cone body. Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: (1) continuous drainage can be realized. (2) Can effectively prevent gas leakage. (3) Has good breakdown resistance. (4) The ash and the oil sludge entering the drainer can be conveniently cleaned. (5) The failure rate is low, and the reliability is high. (6) Simple operation and simple structure. (7) The operating condition of the drainer can be observed and monitored conveniently. (8) And the manufacturing, operation and maintenance cost is low. (9) Is convenient for collecting and treating sewage and sludge, has no energy consumption, and has good energy-saving and environment-friendly performance.
Description
Technical Field
The utility model relates to a coal gas safety field especially relates to a prevent puncturing coal gas drainage safety device.
Background
At present, a byproduct, namely blast furnace gas and converter gas, is generated in the blast furnace ironmaking and steelmaking processes in the metallurgical industry, the two gases contain a large amount of water vapor, the main components of the gas contain CO, the gas can poison human gas, therefore, in the process of conveying the gas through a plant gas pipe network, the gas is not allowed to leak, the water vapor is gradually condensed into water, the pipe network needs to be provided with a group of gas drainers every 100 meters or so to discharge the water in the gas pipe network, as the gas pressure in the pipe network is 10-15KPa, the conventionally arranged gas drainers are provided with water sealing devices and only allow the water to be discharged, the gas can not be discharged in the pressure range of the pipe network, and in the actual operation, the gas pipe network pressure is fluctuated, and after overpressure, a small amount of gas can instantaneously puncture the gas drainers due to the structural defects of the gas, the gas leakage is caused, so the existing drainer can not meet the requirement of large fluctuation of the gas pipe network pressure in daily production. Once the gas pressure suddenly increases instantly, the water seal height in the drainer is reduced and other emergency situations occur, the drainer has potential safety hazards of water seal breakdown and gas leakage due to the fact that no safety protection device exists, and the safety production is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is that: in order to provide a better anti-breakdown gas drainage safety device, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a breakdown-preventing gas drainage safety device is characterized by comprising a shell with a water inlet and a water outlet, wherein a sealing cone body capable of vertically moving up and down is arranged in an inner cavity of the shell, a sealing gasket capable of sealing the water outlet is arranged on the sealing cone body, and a sealing baffle ring is arranged on the inner side of the lower part of the shell and matched with the sealing cone body gasket, so that the gas of a blast furnace can be prevented from overflowing in a water loss state of a gas drainer; the foam floater is fixed on the sealing cone body.
The utility model discloses a further technical scheme lies in, and the stand pipe sets up on shells inner wall, thus can lead sealed centrum with sealed centrum sliding fit and reciprocate.
The utility model discloses a further technical scheme lies in, and sealed mat adopts countersunk head screw to fix on sealed centrum.
The utility model adopts the further technical proposal that a water inlet pipe communicated with a drainer is arranged on the water inlet; the water outlet is provided with a water discharge pipe.
The utility model has the further technical proposal that a flange and a flange cover are arranged on the upper part of the cylinder body; a sealing gasket is arranged between the flange and the flange cover; repair and installation is facilitated by the flange cover.
The utility model discloses a further technical scheme lie in, the foam float be polyurethane foam.
The utility model discloses a further technical scheme lies in, when water level was normal in the drainer, the sealed centrum float below in the gas leakage prevention device of gas piping drainer had been full of water, and water is separated coal gas and atmosphere, and the gravity of float slightly is greater than the buoyancy of its water that receives this moment, and the sealed pad of float compresses tightly the outlet, and along with the rising of water level, the float come-up, and the partial comdenstion water of discharge is greater than buoyancy until float gravity. When the gas pressure of the pipe network is higher than the effective water seal height of the drainer, the water seal of the drainer is broken down, water in the gas leakage prevention device of the gas pipeline drainer can discharge a part of the water when the gas leakage prevention device is normally opened, but the gravity of the floater is obviously higher than the buoyancy of the residual water in the cylinder, and the floater can be tightly compacted on the water outlet, so that gas leakage is prevented.
The utility model discloses a further technical scheme lies in, safety device is arranged in the middle of the built on stilts gas piping, and safety device's water inlet pipe is connecting the coal gas drainer.
The utility model adopts the further technical proposal that the water inlet pipe of the safety device is connected with the tail chamber water outlet of the gas drainer; when the pressure of the gas pipe network fluctuates or the water level of the drainer is abnormal due to other reasons, the leakage-proof device can automatically close the water outlet of the final chamber, so that the situation of instantaneous overpressure breakdown of gas is prevented.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: (1) continuous drainage can be realized.
(2) Can effectively prevent gas leakage.
(3) Has good breakdown resistance.
(4) The ash and the oil sludge entering the drainer can be conveniently cleaned.
(5) The failure rate is low, and the reliability is high.
(6) Simple operation and simple structure.
(7) The operating condition of the drainer can be observed and monitored conveniently.
(8) And the manufacturing, operation and maintenance cost is low.
(9) Is convenient for collecting and treating sewage and sludge, has no energy consumption, and has good energy-saving and environment-friendly performance.
Drawings
For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the internal structure of the utility model;
fig. 2 is a schematic view of the installation of the utility model;
FIG. 3 is a schematic view of the utility model in a top view;
wherein: 1. a housing; 2. a lower flange; 3. fastening a bolt; 4. an upper blind plate; 5. a water inlet pipe; 6, a water drainage pipe; 7. a sealing baffle ring; 8. sealing gaskets; 9. sealing the cone; 10. a float; 11. a guide tube.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.
The first embodiment is as follows: in conjunction with FIG. 1; the safety device comprises a shell with a water inlet and a water outlet, a sealing cone capable of vertically moving up and down is arranged in the inner cavity of the shell, a sealing gasket capable of sealing the water outlet is arranged on the sealing cone, and a sealing baffle ring is arranged on the inner side of the lower part of the shell and matched with a sealing cone gasket, so that the blast furnace gas of the gas drainer can be prevented from overflowing in a water loss state; the foam floater is fixed on the sealing cone body. The technical scheme of the invention has the following substantial technical effects and the realization process: the lower part of a sealed cone floater in a device for preventing gas leakage of a gas pipeline drainer is filled with water, the gas and the atmosphere are separated by the water, the gravity of the floater is slightly larger than the buoyancy of the water received by the floater, a water outlet is tightly pressed by a sealing gasket of the floater, the floater floats upwards along with the rise of the water level, and partial condensed water is drained until the gravity of the floater is larger than the buoyancy. When the gas pressure of the pipe network is higher than the effective water seal height of the drainer, the water seal of the drainer is broken down, water in the gas leakage prevention device of the gas pipeline drainer can discharge a part of the water when the gas leakage prevention device is normally opened, but the gravity of the floater is obviously higher than the buoyancy of the residual water in the cylinder, and the floater can be tightly compacted on the water outlet, so that gas leakage is prevented. The safety device of this embodiment can the exclusive use, connects ponding structure, carries out safety protection.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
Example two: as a further improvement or a parallel scheme or an alternative independent scheme, the guide pipe is arranged on the inner wall of the shell and is matched with the sealing cone in a sliding mode so that the sealing cone can be guided to move up and down. The technical scheme of the invention has the following substantial technical effects and the realization process: this embodiment can make the up-and-down movement more stable.
Example three: as a further development, either side by side or alternatively independently, the sealing cushion is fixed to the sealing cone by means of countersunk screws. The technical scheme of the invention has the following substantial technical effects and the realization process: the embodiment provides a specific structure schematic diagram of a fixing mode.
Example four: as a further improved scheme or a parallel scheme or an optional independent scheme, a water inlet pipe communicated with the drainer is arranged on the water inlet; the water outlet is provided with a water discharge pipe. The technical scheme of the invention has the following substantial technical effects and the realization process: in this embodiment, the safety device can communicate with the drainer of the gas pipe network.
Example five: as a further improved scheme or a parallel scheme or an optional independent scheme, a flange and a flange cover are arranged at the upper part of the cylinder body; a sealing gasket is arranged between the flange and the flange cover; repair and installation is facilitated by the flange cover.
Example six: as a further improvement or in a side-by-side or alternative independent solution, the foam float is a polyurethane foam.
Example seven: as a further improvement scheme or a parallel scheme or an optional independent scheme, when the water level in the drainer is normal, the lower part of a float of a sealing cone in the device for preventing gas leakage of the gas pipeline drainer is filled with water, the water separates gas from atmosphere, the gravity of the float is slightly larger than the buoyancy of the water to which the float receives, a sealing gasket of the float presses a water outlet, the float floats upwards along with the rise of the water level, and partial condensed water is drained until the gravity of the float is larger than the buoyancy. When the gas pressure of the pipe network is higher than the effective water seal height of the drainer, the water seal of the drainer is broken down, water in the gas leakage prevention device of the gas pipeline drainer can discharge a part of the water when the gas leakage prevention device is normally opened, but the gravity of the floater is obviously higher than the buoyancy of the residual water in the cylinder, and the floater can be tightly compacted on the water outlet, so that gas leakage is prevented.
Example eight: as a further development or in parallel or alternatively independently, the safety device is used in an overhead gas line, the inlet pipe of which is connected to a gas drainer.
Example nine: as a further development or in parallel or alternatively independently, the inlet pipe of the safety device is connected to the outlet of the end chamber of the gas drainer; when the pressure of the gas pipe network fluctuates or the water level of the drainer is abnormal due to other reasons, the leakage-proof device can automatically close the water outlet of the final chamber, so that the situation of instantaneous overpressure breakdown of gas is prevented.
In summary:
as shown in figure 1, the novel gas drainer gas leakage prevention device comprises a shell with a water inlet and a water outlet. A sealing cone body which can vertically move up and down along a guide pipe arranged in the shell is arranged in the inner cavity of the shell, and a foam floater is fixed on the sealing cone body. The sealing gasket for sealing the water outlet is arranged on the sealing cone. The guide pipe is arranged on the inner wall of the shell and is in sliding fit with the sealed vertebral body. The sealing gasket is arranged at the bottom of the sealing cone, the sealing baffle ring is arranged on the inner side of the lower part of the shell and matched with the sealing cone gasket, and the gas drainer can prevent the blast furnace gas from overflowing in a dehydration state. The sealing cushion is fixed on the sealing cone body by adopting countersunk head screws. A water inlet pipe communicated with the drainer is arranged on the water inlet. The water outlet is provided with a water discharge pipe. The upper part of the cylinder body is provided with a flange and a flange cover. A gasket is provided between the flange and the flange cover. Repair and installation is facilitated by the flange cover.
In use, as shown in fig. 2, when the water level in the drainer is normal, the lower part of the float of the sealing cone in the device for preventing gas leakage of the gas pipeline drainer is filled with water, the water separates gas from atmosphere, the gravity of the float is slightly larger than the buoyancy of the water, the sealing gasket of the float compresses the water outlet, the float floats upwards along with the rise of the water level, and partial condensed water is discharged until the gravity of the float is larger than the buoyancy. When the gas pressure of the pipe network is higher than the effective water seal height of the drainer, the water seal of the drainer is broken down, water in the gas leakage prevention device of the gas pipeline drainer can discharge a part of the water when the gas leakage prevention device is normally opened, but the gravity of the floater is obviously higher than the buoyancy of the residual water in the cylinder, and the floater can be tightly compacted on the water outlet, so that gas leakage is prevented.
Shell body
The shell has the function of enabling the sealing cone and the floater to freely move up and down in a closed environment. Protecting the internal devices.
Sealing cone, sealing baffle ring and sealing gasket
The three are used in a matching way, so that the coal gas and the gas are compressed and sealed through the sealing baffle ring and the sealing gasket in a breakdown state, the connection with the outside is cut off, and the sealing effect is enhanced.
Guide tube
The stand pipe is welded in the casing inboard by 4 tubular metal resonator equipartitions, and the purpose takes place the jam when preventing to seal the centrum and reciprocate. Make the sealed vertebral body freely slide up and down
Float for angling
The floater is polyurethane foam or other foam floating on the water surface, and the purpose is that when water exists in the shell, the cone body is sealed under the buoyancy effect of the floater, so that the sealed cone body is separated from the sealed baffle ring, the drainage purpose is achieved, and under the state of breakdown without water, the sealed cone body is pressed by the self gravity, so that the purpose of isolating the communication with the outside is achieved.
Flange cover and flange bolt
Protect the internal device, be convenient for install and overhaul.
The function is one of the biggest advantages of the leakage-proof drainer, the drainer mainly comprises a body of the gas drainer and a leakage-proof gas device, and the leakage-proof drainer is often applied to an overhead gas pipeline and is beneficial to draining condensed water. When the pressure of the gas pipe network fluctuates or the water level of the drainer is abnormal due to other reasons, the leakage-proof device can automatically close the water outlet of the final chamber, so that the situation of instantaneous overpressure breakdown of gas is prevented.
The utility model discloses can replace former traditional drainer device, safety does not have the leakage. The installation is convenient, and the anti-breakdown leakage effect is obvious.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.
Claims (9)
1. A breakdown-preventing gas drainage safety device is characterized by comprising a shell with a water inlet and a water outlet, wherein a sealing cone body capable of vertically moving up and down is arranged in an inner cavity of the shell, a sealing gasket capable of sealing the water outlet is arranged on the sealing cone body, and a sealing baffle ring is arranged on the inner side of the lower part of the shell and matched with the sealing cone body gasket, so that the gas of a blast furnace can be prevented from overflowing in a water loss state of a gas drainer; the foam floater is fixed on the sealing cone body.
2. A breakdown-preventing gas drainage safety device as claimed in claim 1, wherein the guide tube is provided on the inner wall of the housing to be slidably fitted with the sealing cone so as to guide the sealing cone to move up and down.
3. A breakdown-preventing gas drainage safety device as claimed in claim 1, wherein the sealing pad is fixed to the sealing cone by countersunk screws.
4. A breakdown-preventing gas drainage safety device as claimed in claim 1, wherein a water inlet pipe communicating with the drainer is provided at the water inlet; the water outlet is provided with a water discharge pipe.
5. A breakdown-preventing gas drainage safety device as claimed in claim 1, wherein a flange and a flange cover are provided at an upper portion of the cylinder; a sealing gasket is arranged between the flange and the flange cover; repair and installation is facilitated by the flange cover.
6. A puncture-resistant gas drainage safety device as claimed in claim 1, wherein the foam float is polyurethane foam.
7. The gas water discharge safety device against breakdown as claimed in claim 1, wherein when the water level in the drainer is normal, the lower part of the float of the sealing cone in the gas leakage preventing device of the gas pipeline drainer is filled with water, the water separates gas from atmosphere, the gravity of the float is slightly larger than the buoyancy of the water, the sealing pad of the float compresses the water discharge port, the float floats upwards with the rise of the water level, and part of condensed water is discharged until the gravity of the float is larger than the buoyancy; when the gas pressure of the pipe network is higher than the effective water seal height of the drainer, the water seal of the drainer is broken down, water in the gas leakage prevention device of the gas pipeline drainer can discharge a part of the water when the gas leakage prevention device is normally opened, but the gravity of the floater is obviously higher than the buoyancy of the residual water in the cylinder, and the floater can be tightly compacted on the water outlet, so that gas leakage is prevented.
8. A breakdown-preventing gas drainage safety device as claimed in claim 1, wherein the safety device is used in an overhead gas pipeline, and the water inlet pipe of the safety device is connected to a gas drainer.
9. The anti-strike gas drain safety device of claim 8, wherein the water inlet pipe of the safety device is connected to the end chamber drain port of the gas drain; when the pressure of the gas pipe network fluctuates or the water level of the drainer is abnormal due to other reasons, the leakage-proof device can automatically close the water outlet of the final chamber, so that the situation of instantaneous overpressure breakdown of gas is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350721.2U CN212929573U (en) | 2020-07-10 | 2020-07-10 | Anti-breakdown gas drainage safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350721.2U CN212929573U (en) | 2020-07-10 | 2020-07-10 | Anti-breakdown gas drainage safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212929573U true CN212929573U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021350721.2U Active CN212929573U (en) | 2020-07-10 | 2020-07-10 | Anti-breakdown gas drainage safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212929573U (en) |
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2020
- 2020-07-10 CN CN202021350721.2U patent/CN212929573U/en active Active
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