CN205127202U - Gas transmission station blowdown pond initiative protection system - Google Patents
Gas transmission station blowdown pond initiative protection system Download PDFInfo
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- CN205127202U CN205127202U CN201520879348.2U CN201520879348U CN205127202U CN 205127202 U CN205127202 U CN 205127202U CN 201520879348 U CN201520879348 U CN 201520879348U CN 205127202 U CN205127202 U CN 205127202U
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- vaporizer
- pipeline
- transmission station
- pollution discharge
- valve
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Abstract
The utility model discloses a gas transmission station blowdown pond initiative protection system, including low pressure carbon dioxide fire extinguishing apparatus, vaporizer and control system, low pressure carbon dioxide fire extinguishing apparatus's liquid outlet is through being provided with the total pipeline of valve and inlet connection of vaporizer controlled, the exit end of vaporizer is connected with arranging a plurality of shower nozzles in the blowdown pond through the pipeline be provided with concentration detector in the blowdown pond, low pressure carbon dioxide fire extinguishing apparatus, vaporizer, always control the valve and concentration detector is connected with the control system electricity respectively. The utility model belongs to precautionary measures are in advance easily fired in can all -weather real -time supervision blowdown pond, explosive gas concentration, need not personnel's operation, the dangerous concentration of automatic identification, exchanging when the combustible gas thickness detector detects the blowdown pond in is fired, when explosive gas concentration reaches the setting value, gas transmission station blowdown pond initiatively is protected control system and is started, pour into gaseous state carbon dioxide into the blowdown pond in, purpose that the realization was taken the initiative and is protected.
Description
Technical field
The utility model belongs to technical field of fire safety, particularly a kind of gas transmission station pollution discharge pond Initiative Defence System.
Background technology
Along with the project of China's natural gas exploitation increases year by year, gas transmission station is as high-risk place, and existing performed fire protection criteria can not meet application requirement.Can have to pollution discharge pond discharge inflammable, the explosion hazard gases that volatilize under volatile inflammable liquid or pollution discharge pond leading portion valve have leakage situation in blowdown operation process, may breaking out of fire or blast at chance fire.Gas transmission station is generally built comparatively from far-off regions.The open space, edge, gas transmission station that pollution discharge pond is arranged, belongs to confined space, surrounding have no occluder.When the flammable liquid in pollution discharge pond or fuel gas reach certain condition, easily set off an explosion or fire, existing pollution discharge pond protects main employing personnel when finding that pollution discharge pond has a fire, the oxygen in liquid carbon dioxide dilution pollution discharge pond is injected to pollution discharge pond, belong to remedial measure afterwards, and cause rear personnel to injure and property loss, as there being the breaking out of fire of wind weather, on-the-spot fire protection, by helpless, can only allow fire self-extinguish or employ fire-fighting vehicle and put out a fire.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides a kind of gas transmission station pollution discharge pond Initiative Defence System that can carry out effectively prevention before fire incident occurs.
The technical scheme of the utility model technology is achieved in that a kind of gas transmission station pollution discharge pond Initiative Defence System, it is characterized in that: comprise low pressure CO 2 fire-extinguishing apparatus, vaporizer and control system, the liquid outlet of described low pressure CO 2 fire-extinguishing apparatus is connected by the entrance point of the pipeline with vaporizer that are provided with master control valve, the port of export of described vaporizer is connected with the some shower nozzles be arranged in pollution discharge pond by pipeline, concentrations detectors is provided with in described pollution discharge pond, described low pressure CO 2 fire-extinguishing apparatus, vaporizer, master control valve and concentrations detectors are electrically connected with control system respectively.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, its pipeline be connected with vaporizer at described master control valve is provided with pressure sensor.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, its pipeline be connected with vaporizer at described master control valve is provided with safety valve.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, its pipeline be connected with shower nozzle at described vaporizer is provided with signal feedback device.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, it is provided with temperature sensor on described vaporizer.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, its pipeline be connected with vaporizer at described master control valve is provided with triple valve A, the pipeline that described vaporizer is connected with shower nozzle is provided with triple valve B, and described triple valve A is connected with triple valve B by the emergent pipeline being provided with emergency control valve.
Gas transmission station described in the utility model pollution discharge pond Initiative Defence System, its pipeline be connected with triple valve B at described vaporizer arranges check valve, described pressure sensor and safety valve are arranged on the pipeline that master control valve is connected with triple valve A, and described signal feedback device is arranged on the pipeline that triple valve B is connected with shower nozzle.
The utility model belongs to precautionary measures in advance, inflammable in the round-the-clock Real-Time Monitoring pollution discharge pond of energy, explosion hazard gases concentration, without the need to human users, automatic hazard recognition concentration, when combustable gas concentration detector, to detect in pollution discharge pond inflammable, when explosion hazard gases concentration reaches setting value, gas transmission station pollution discharge pond active defense control system starts, liquid carbon dioxide is converted into gaseous carbon dioxide by vaporizer to be injected in pollution discharge pond by pipe network and shower nozzle, dilute inflammable, explosion hazard gases, alarm signal is reached centralized control room simultaneously, and by control system fault and action concentration, time is stored in control system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1 is control system, and 2 is low pressure CO 2 fire-extinguishing apparatus, and 3 is master control valve, 4 is pressure sensor, and 5 is safety valve, and 6 is emergency control valve, 7 is vaporizer, and 8 is temperature sensor, and 9 is check valve, 10 is signal feedback device, 11 is shower nozzle, and 12 is concentrations detectors, and 13 is pollution discharge pond, 14 is triple valve A, and 15 is triple valve B.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model technology is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of gas transmission station pollution discharge pond Initiative Defence System, comprise low pressure CO 2 fire-extinguishing apparatus 2, vaporizer 7 and control system 1, the liquid outlet of described low pressure CO 2 fire-extinguishing apparatus 2 is connected with the entrance point of vaporizer 7 by the pipeline being provided with master control valve 3, described master control valve is in normal closed gate, for cutting off the circulation of liquid carbon dioxide, the port of export of described vaporizer 7 is connected with the some shower nozzles 11 be arranged in pollution discharge pond 13 by pipeline, liquid carbon dioxide is vaporized into atmospheric carbon dioxide through vaporizer by flow of liquid carbon dioxide, and by shower nozzle sparging carbon dioxide, concentrations detectors 12 is provided with in described pollution discharge pond 13, inflammable for what detect in pollution discharge pond, explosive combustable gas concentration, and signal is uploaded to control system, described low pressure CO 2 fire-extinguishing apparatus 2, vaporizer 7, master control valve 3 and concentrations detectors 12 are electrically connected with control system 1 respectively.
Wherein, the pipeline that described master control valve 3 is connected with vaporizer 7 is provided with pressure sensor 4, in the process of sparging carbon dioxide, pressure in pressure sensor Real-Time Monitoring pipe network, when the pressure in pipe network is higher than setting value, control system output order, close master control valve, cut off liquid carbon dioxide air source, when the pressure in pipe network is lower than setting value, master control valve is opened and is continued supply liquid carbon dioxide; The pipeline that described master control valve 3 is connected with vaporizer 7 is provided with safety valve 5, and when there is stopping state in pipe network, the pressure carbon dioxide in pipe network continues to rise, and reaches safety valve unlatching value, and safety valve starts pressure release until safety valve cuts out.Described vaporizer 7 is provided with temperature sensor 8, and described temperature sensor is for controlling the heater start and stop in vaporizer, and when the temperature in vaporizer rises to stopping temperature, heater stops heating; When the temperature in vaporizer drops to start-up temperature, heater starting heats, and so circulates, guarantees that liquid carbon dioxide becomes gaseous carbon dioxide after vaporizer; The pipeline that described vaporizer 7 is connected with shower nozzle 11 is provided with signal feedback device 10, and described signal feedback device is used for feedback and spurts signal to control system.
Wherein, the pipeline that described master control valve 3 is connected with vaporizer 7 is provided with triple valve A14, the pipeline that described vaporizer 7 is connected with shower nozzle 11 is provided with triple valve B15, described triple valve A14 is connected with triple valve B15 by the emergent pipeline being provided with emergency control valve 6, the pipeline that described vaporizer 7 is connected with triple valve B15 arranges check valve 9, prevent when under control system failure conditions, when needing mechanical emergency start up system, when machinery opens master control valve and emergency control valve, carbon dioxide is prevented to be back to vaporizer, described pressure sensor 4 and safety valve 5 are arranged on the pipeline that master control valve 3 is connected with triple valve A14, described signal feedback device 10 is arranged on the pipeline that triple valve B15 is connected with shower nozzle 11.
Operation principle of the present utility model is: when any combustable gas concentration detector inflammable, the explosion hazard gases concentration detected in pollution discharge pond in pollution discharge pond reaches setting value, gas transmission station pollution discharge pond Initiative Defence System starts, open master control valve and vaporizer, liquid carbon dioxide in low pressure CO 2 fire-extinguishing apparatus is by master control valve, through vaporizer, liquid carbon dioxide is vaporized into gaseous carbon dioxide, in pollution discharge pond, gaseous carbon dioxide is passed into by pipe network and shower nozzle, dilute inflammable, explosion hazard gases, alarm signal is reached centralized control room simultaneously; When at least two combustable gas concentration detectors detect inflammable, explosion hazard gases concentration value all lower than setting value, control system stops to pollution discharge pond transport of carbon dioxide gas, and alarm signal is eliminated simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a gas transmission station pollution discharge pond Initiative Defence System, it is characterized in that: comprise low pressure CO 2 fire-extinguishing apparatus (2), vaporizer (7) and control system (1), the liquid outlet of described low pressure CO 2 fire-extinguishing apparatus (2) is connected with the entrance point of vaporizer (7) by the pipeline being provided with master control valve (3), the port of export of described vaporizer (7) is connected with the some shower nozzles (11) be arranged in pollution discharge pond (13) by pipeline, concentrations detectors (12) is provided with in described pollution discharge pond (13), described low pressure CO 2 fire-extinguishing apparatus (2), vaporizer (7), master control valve (3) and concentrations detectors (12) are electrically connected with control system (1) respectively.
2. gas transmission station according to claim 1 pollution discharge pond Initiative Defence System, is characterized in that: on the pipeline that described master control valve (3) is connected with vaporizer (7), be provided with pressure sensor (4).
3. gas transmission station according to claim 2 pollution discharge pond Initiative Defence System, is characterized in that: on the pipeline that described master control valve (3) is connected with vaporizer (7), be provided with safety valve (5).
4. gas transmission station according to claim 3 pollution discharge pond Initiative Defence System, is characterized in that: on the pipeline that described vaporizer (7) is connected with shower nozzle (11), be provided with signal feedback device (10).
5. gas transmission station according to claim 1 pollution discharge pond Initiative Defence System, is characterized in that: on described vaporizer (7), be provided with temperature sensor (8).
6. gas transmission station according to claim 4 pollution discharge pond Initiative Defence System, it is characterized in that: on the pipeline that described master control valve (3) is connected with vaporizer (7), be provided with triple valve A(14), the pipeline that described vaporizer (7) is connected with shower nozzle (11) is provided with triple valve B(15), described triple valve A(14) by being provided with the emergent pipeline of emergency control valve (6) and triple valve B(15) be connected.
7. gas transmission station according to claim 6 pollution discharge pond Initiative Defence System, it is characterized in that: at described vaporizer (7) and triple valve B(15) pipeline that is connected arranges check valve (9), described pressure sensor (4) is arranged on master control valve (3) and triple valve A(14 with safety valve (5)) on the pipeline that is connected, described signal feedback device (10) is arranged on triple valve B(15) on the pipeline that is connected with shower nozzle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879348.2U CN205127202U (en) | 2015-11-06 | 2015-11-06 | Gas transmission station blowdown pond initiative protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879348.2U CN205127202U (en) | 2015-11-06 | 2015-11-06 | Gas transmission station blowdown pond initiative protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205127202U true CN205127202U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520879348.2U Active CN205127202U (en) | 2015-11-06 | 2015-11-06 | Gas transmission station blowdown pond initiative protection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205127202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114173885A (en) * | 2019-06-25 | 2022-03-11 | 基础解决方案有限公司 | Abatement system and method of use for pyrophoric chemicals |
-
2015
- 2015-11-06 CN CN201520879348.2U patent/CN205127202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114173885A (en) * | 2019-06-25 | 2022-03-11 | 基础解决方案有限公司 | Abatement system and method of use for pyrophoric chemicals |
| CN114173885B (en) * | 2019-06-25 | 2023-12-22 | 基础解决方案有限公司 | System for eliminating spontaneous combustion chemicals and method of use |
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