CN104763878A - Water seal fire-retardant explosion venting device - Google Patents
Water seal fire-retardant explosion venting device Download PDFInfo
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- CN104763878A CN104763878A CN201510183875.4A CN201510183875A CN104763878A CN 104763878 A CN104763878 A CN 104763878A CN 201510183875 A CN201510183875 A CN 201510183875A CN 104763878 A CN104763878 A CN 104763878A
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- 238000013022 venting Methods 0.000 title claims abstract description 67
- 238000004880 explosion Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000003063 flame retardant Substances 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 36
- 230000000630 rising effect Effects 0.000 claims description 9
- 230000006837 decompression Effects 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010051986 Pneumatosis Diseases 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a water-seal fire-retardant explosion-venting device, which comprises a fire arrester and an explosion-venting device, wherein the fire arrester is arranged on the water-seal fire-retardant explosion-venting device; the fire arrestor comprises a fire arresting barrel body, an air inlet pipe, an air outlet pipe and a water filtering metal ring net, wherein one end of the air inlet pipe is positioned outside the fire arresting barrel body, the other end of the air inlet pipe extends into the fire arresting barrel body and is inserted below the liquid level of the sealing water, and the water filtering metal ring net is arranged above the liquid level of the sealing water and sleeved outside the air inlet pipe; the explosion venting device comprises an explosion venting barrel body, an exhaust pipe and an explosion venting pipe, wherein the exhaust pipe and the explosion venting pipe are communicated with the explosion venting barrel body; the pipe orifice of the air outlet end of the air inlet pipe is closed, the side wall of the air inlet pipe, which is positioned below the liquid level of the sealing water, is provided with an exhaust hole, the exhaust hole is connected with the air guide pipe, and air guide holes for discharging air are distributed on the air guide pipe; the invention can prevent the instability and violent fluctuation of the liquid level caused by the gas discharged from the exhaust pipe of the device, is convenient for controlling the water level and improves the safety and the reliability of the device.
Description
Technical field
The invention belongs to coal mine gas and utilize field, relate to a kind of water-sealing fire-retardant explosion venting device.
Background technique
In recent years; along with the rise of CMM Power Generation industry; gas safety transporting system have also been obtained universal and application fast, and low concentration gas pipe safety transporting system is preventing low concentration gas pipe explosion, protecting colliery pumping plant and mine safety to serve important protective action.Function was few in the past as important safety protection equipment for water-sealing fire-retardant explosion venting device, and all do not develop the comparatively complete water-sealing fire-retardant explosion venting device of function with regard to CMM Power Generation feature, the safe operation the risk and cost in gas pump station and gas power station is very big.Existing water-sealing fire-retardant explosion venting device such as Chinese utility model patent CN201093183Y, the water seal ground roll that its internal structure often causes gas to pass through moves extremely unstable, fluctuated, and automatic water supplement drain operation is frequent, and equipment safety performance is low; Often need higher water seal face height in plant running process, gas pump safe operation risk increases, and positive pressure side adds no small load to pump simultaneously, and gas pump maintenance cost also increases; For ensureing the output power of low concentration gas unit, low concentration gas gas is super flow velocity often, and after gas water-sealing fire-retardant explosion venting device, equipment safety guaranteeing role reduces; In CMM Power Generation process, the equipment such as gas electricity unit can be shut down suddenly, causes manifold pressure to increase immediately, and when pressure exceedes certain value, coal mine gas drainage pump can damage termination of pumping, have impact on Safety of Coal Mine Production; The saturated humidity gas of a large amount of liquid waters and 20-30 DEG C is contained from the methane gas of gas pump station direction conveying, a part of liquid water is being carried again after water seal, a large amount of liquid waters makes generator set maintenance maintenance added cost, increase power station dehydration system, add the energy consumption in power station, decrease the gene-ration revenue in power station.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of water-sealing fire-retardant explosion venting device, the instability of the liquid level that can prevent gas from causing when device outlet pipe is discharged and big ups and downs, be convenient to the control of water level, improves the safety and reliability of device.
Water-sealing fire-retardant explosion venting device of the present invention, comprises flame trap and venting of dust explosion device; Described flame trap comprises back-fire relief staving, suction tude, steam outlet pipe and drainage metal looped network, one end of described suction tude is positioned at outside back-fire relief staving, the other end stretches into back-fire relief staving and inserts and seals below water liquid level, and described drainage metal looped network is located at sealing water ullage and is enclosed within outside suction tude; Described venting of dust explosion device comprises venting of dust explosion staving and the outlet pipe that communicates with venting of dust explosion staving and detonating fusee, and described back-fire relief staving is by steam outlet pipe and be located at communicating with venting of dust explosion staving connecting tube of bottom, is provided with rupture disk in described detonating fusee; The outlet side mouth of pipe of described suction tude is closed, and the sidewall being positioned at below sealing water liquid level of described suction tude offers exhaust port, and described exhaust port is connected with air pipe, described air pipe is distributed with the gas port for Exhaust Gas.
Further, described exhaust port semicircular in shape; Described air pipe is arranged along the radial direction of suction tude, and the gas port on same air pipe is uniformly distributed.
Further, the airflow direction along described suction tude is disposed with pipeline section I and pipeline section II, and the caliber of described pipeline section II is greater than the caliber of pipeline section I.
Further, be provided with helical blade and wire netting in described steam outlet pipe, described wire netting is can pull mode insert from the radial direction of steam outlet pipe.
Further, described flame trap also comprises for the water pipe of supplementary sealing water and the temperature transducer for detecting sealing coolant-temperature gage, and described water pipe is provided with water-feeding valve; Described venting of dust explosion device also comprises the rising pipe for discharging sealing water, and described rising pipe is provided with outlet valve; This device also comprises controller, and described controller is connected with temperature transducer, water-feeding valve and outlet valve respectively.
Further, be provided with U-shaped spill pipe in described venting of dust explosion staving, described spill pipe is connected with rising pipe.
Further, described flame trap also comprises the level sensor for detecting sealing water water level, and described level sensor is connected with controller.
Further, described level sensor is connected with the scum pipe for despumation, and described scum pipe is provided with slag-off valve.
Further, described venting of dust explosion device also comprises the pressure transducer for detecting venting of dust explosion staving internal pressure and the relief tube for unloading the quick-fried staving internal pressure of drainage, and described relief tube is provided with Decompression valves, and described pressure transducer is all connected with controller with Decompression valves.
Further, described venting of dust explosion staving is provided with the withstand voltage transparent window for observing water level.
Water-sealing fire-retardant explosion venting device of the present invention has following beneficial effect:
First, the outlet side mouth of pipe of suction tude is closed, discharged by exhaust port and air pipe after forcing gas to enter outlet pipe, large volume bubble in suction tude can be cut into medium body pneumatosis bubble by exhaust port, medium body pneumatosis bubble is discharged from the gas port of air pipe subsequently, the instability of the water seal liquid level preventing gross blowhole discharge process from causing and big ups and downs, be convenient to the control of water level, improves the safety and reliability of device;
The second, when gas flows into along suction tude, suction tude caliber becomes large, and gas flow rate is minimized, and is conducive to ensureing the stable of water seal liquid level further, prevents big ups and downs;
3rd, metal looped network, wire netting and watt air pipe can play good cooling effect to explosive flame when there is back draft in water seal front end, improve the Fire resistances of this device, therefore the water seal face water seal height of this device can comparatively reduce by other water-sealing fire-retardant explosion venting devices, alleviates the load of the positive pressure side of gas pumping pump while ensureing identical back-fire relief explosion-proof performance;
4th, can guarantee that sealing coolant-temperature gage remains in OK range, ensure precipitation and the absorption of moisture content in gas;
5th, automatic monitoring and the moisturizing of water seal liquid level height can be realized;
6th, can carry out automatic pressure protection in device, the pressure of assurance device and associated conduit is normal;
7th, can water level conditions in manual observation device.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
The A-A view of Fig. 2 Fig. 1;
Fig. 3 is B direction view in Fig. 1;
Fig. 4 is the structural representation of air pipe of the present invention;
Fig. 5 is C direction view in Fig. 1;
Wherein:
1-back-fire relief staving, 2-venting of dust explosion staving, 3-detonating fusee, 4-suction tude, 5-outlet pipe, 6-steam outlet pipe, 7-drainage metal looped network, 8-spill pipe, 9-is withstand voltage transparent window, 10-baffle plate, 11-rising pipe, 12-wire netting, 13-water pipe, 14-temperature transducer, 15-Decompression valves, 16-level sensor, 17-backwater hole, 18-exhaust port, 19-gas port, 20-air pipe, 21-rupture disk, 22-water-feeding valve, 23-slag-off valve, 24-outlet valve, 25-helical blade, 26-pressure transducer, 27-relief tube.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail, as shown in Fig. 1 to 5: the water-sealing fire-retardant explosion venting device of the present embodiment, comprise flame trap and venting of dust explosion device; Described flame trap comprises back-fire relief staving 1, suction tude 4, steam outlet pipe 6 and drainage metal looped network 7, one end of described suction tude 4 is positioned at outside back-fire relief staving 1, the other end stretches into back-fire relief staving 1 and inserts and seals below water liquid level, and described drainage metal looped network 7 is located at sealing water ullage and is enclosed within outside suction tude 4; Described venting of dust explosion device comprises venting of dust explosion staving 2 and the outlet pipe 5 that communicates with venting of dust explosion staving 2 and detonating fusee 3, and described back-fire relief staving 1 is by steam outlet pipe 6 and be located at communicating with venting of dust explosion staving 2 connecting tube of bottom, is provided with rupture disk 21 in described detonating fusee 3; The outlet side mouth of pipe of described suction tude 4 is closed, and the sidewall being positioned at below sealing water liquid level of described suction tude 4 offers exhaust port 18, and described exhaust port 18 is connected with air pipe 20, described air pipe 20 is distributed with the gas port 19 for Exhaust Gas; Back-fire relief staving 1 and venting of dust explosion staving 2 can, in cylindric, be hollow structure, adopt vertical sleeping mode; The degree of depth that suction tude 4 inserts sealing water liquid level can be determined as the case may be; Drainage metal looped network 7 preferably adopts stainless steel material to make, and covers sealing waterborne; Multiple drainage metal looped network 7 can be set, to strengthen drainage effect; The outlet side mouth of pipe of suction tude 4 can connect a metal baffle 10, to form enclosed construction; The upper end mouth of pipe of outlet pipe 5 then stretches out venting of dust explosion staving 2 towards venting of dust explosion staving 2 top, the lower end mouth of pipe; Outlet pipe 5, just to the air outlet of steam outlet pipe 6, is conducive to the shock of gas and realizes gas-liquid separation; The outlet side mouth of pipe of suction tude 4 is closed, discharged by exhaust port 18 and air pipe 20 after forcing gas to enter outlet pipe 5, large volume bubble in suction tude 4 can be cut into medium body pneumatosis bubble by exhaust port 18, medium body pneumatosis bubble is discharged from the gas port 19 of air pipe 20 subsequently, the instability of the water seal liquid level preventing gross blowhole discharge process from causing and big ups and downs, be convenient to the control of water level, improve the safety and reliability of device.
In the present embodiment, described exhaust port 18 semicircular in shape; Described air pipe 20 is arranged along the radial direction of suction tude 4, and the gas port 19 on same air pipe 20 is uniformly distributed; Semicircular exhaust port 18 can not only by larger tolerance, and be conducive to splitting bubble; The orifice configuration of air pipe 20 and exhaust port 18 form-fit, the two connects by welding manner; Air ducts 20 is radially even is located at outlet pipe 5, and gas all flows out from gas port 19 with the form of small bubble.
In the present embodiment, the airflow direction along described suction tude 4 is disposed with pipeline section I and pipeline section II, and the caliber of described pipeline section II is greater than the caliber of pipeline section I; Pipeline section I is connected with pipeline section II rounding off, is preferably integrated structure; Certainly, suction tude 4 subsection setup is not limited to two sections, also can be other quantity; When gas flows into along suction tude 4, suction tude 4 caliber becomes large, and gas flow rate is minimized, and is conducive to ensureing the stable of water seal liquid level further, prevents big ups and downs.
In the present embodiment, be provided with helical blade 25 and wire netting 12 in described steam outlet pipe 6, described wire netting 12 is can pull mode insert from the radial direction of steam outlet pipe 6; The setting of helical blade 25 and wire netting 12 can improve by gas-liquid separation effect during steam outlet pipe 6; Wire netting 12 is preferably copper mesh; Steam outlet pipe 6 can be divided into two sections, is connected between the pipeline of two ends by flange, and wire netting 12 is located at the joint of two segment pipes simultaneously; Wire netting 12 is removably located in steam outlet pipe 6, is convenient to installation and removal; Under drainage metal looped network 7, wire netting 12 and air pipe 20 flame arrest and cooling effect, the Fire resistances of this device is improved, the water seal face water seal height of this device can comparatively reduce by other water-sealing fire-retardant explosion venting devices, alleviates the load of the positive pressure side of gas pumping pump; Metal looped network, steam outlet pipe 6, wire netting 12 and outlet pipe 5 have good dehydrating function; Also be provided with backwater hole 17 below steam outlet pipe 6, flowed into back-fire relief staving and venting of dust explosion staving 2 by the liquid water that steam outlet pipe 6 and wire netting 12 remove respectively along backwater hole 17.
In the present embodiment, described flame trap also comprises for the water pipe 13 of supplementary sealing water and the temperature transducer 14 for detecting sealing coolant-temperature gage, and described water pipe 13 is provided with water-feeding valve 22; Described venting of dust explosion device also comprises the rising pipe 11 for discharging sealing water, and described rising pipe 11 is provided with outlet valve 24; This device also comprises controller (not shown), and described controller is connected with temperature transducer 14, water-feeding valve 22 and outlet valve 24 respectively; Water pipe 13 can connect power station cool cycles waterpipe, by gas cooling under the lower water temperature condition of setting, is beneficial to the precipitation of moisture content in the gas in gas in back-fire relief staving; If water temperature over-high in back-fire relief staving 1, then enter low temperature water by controller opens water-feeding valve 22, open outlet valve 24 and discharged by high-temperature water, after coolant-temperature gage reaches setting value, two valves are closed automatically.
In the present embodiment, be provided with U-shaped spill pipe 8 in described venting of dust explosion staving 2, described spill pipe 8 is connected with rising pipe 11; The two ends of U-shaped spill pipe 8 keep concordant, can ensure the stable of water seal liquid level, avoid affecting water seal effect because Water discharge flow speed is excessive.
In the present embodiment, described flame trap also comprises the level sensor 16 for detecting sealing water water level, and described level sensor 16 is connected with controller; Water level signal is reached controller by level sensor 16, realizes the monitoring of water level, and when sealing water water level deviation predefined value, controller opens related valve realizes into draining, stablizing of guaranteed water level.
In the present embodiment, described level sensor 16 is connected with the scum pipe for despumation, and described scum pipe is provided with slag-off valve 23; In use for some time, certain Pulverized Coal and coal slime impurity below level sensor 16, can be precipitated, slag-off valve 23 is set and be conducive to getting rid of clean impurity, the working life of extension fixture.
In the present embodiment, described venting of dust explosion device also comprises the pressure transducer 26 for detecting venting of dust explosion staving 2 internal pressure and the relief tube 27 for unloading drainage quick-fried staving 2 internal pressure, described relief tube 27 is provided with Decompression valves 15, and described pressure transducer 26 is all connected with controller with Decompression valves 15; One end of relief tube 27 is connected with venting of dust explosion staving 2, the other end is connected with detonating fusee 3 and is positioned at above rupture disk 21; Pressure signal is reached controller by pressure transducer 26, realizes the monitoring of pressure, and when the pressure in device departs from predefined value, controller opens Decompression valves 15 carries out automatic pressure protection.
In the present embodiment, described venting of dust explosion staving 2 is provided with the withstand voltage transparent window 9 for observing water level; By the water level conditions in withstand voltage transparent window 9 manual observation device.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a water-sealing fire-retardant explosion venting device, comprises flame trap and venting of dust explosion device; Described flame trap comprises back-fire relief staving, suction tude, steam outlet pipe and drainage metal looped network, one end of described suction tude is positioned at outside back-fire relief staving, the other end stretches into back-fire relief staving and inserts and seals below water liquid level, and described drainage metal looped network is located at sealing water ullage and is enclosed within outside suction tude; Described venting of dust explosion device comprises venting of dust explosion staving and the outlet pipe that communicates with venting of dust explosion staving and detonating fusee, and described back-fire relief staving is by steam outlet pipe and be located at communicating with venting of dust explosion staving connecting tube of bottom, is provided with rupture disk in described detonating fusee; It is characterized in that: the outlet side mouth of pipe of described suction tude is closed, the sidewall being positioned at below sealing water liquid level of described suction tude offers exhaust port, and described exhaust port is connected with air pipe, described air pipe is distributed with the gas port for Exhaust Gas.
2. water-sealing fire-retardant explosion venting device according to claim 1, is characterized in that: described exhaust port semicircular in shape; Described air pipe is arranged along the radial direction of suction tude, and the gas port on same air pipe is uniformly distributed.
3. water-sealing fire-retardant explosion venting device according to claim 1, is characterized in that: the airflow direction along described suction tude is disposed with pipeline section I and pipeline section II, and the caliber of described pipeline section II is greater than the caliber of pipeline section I.
4. water-sealing fire-retardant explosion venting device according to claim 1, is characterized in that: be provided with helical blade and wire netting in described steam outlet pipe, and described wire netting is can pull mode insert from the radial direction of steam outlet pipe.
5. water-sealing fire-retardant explosion venting device according to claim 1, is characterized in that: described flame trap also comprises for the water pipe of supplementary sealing water and the temperature transducer for detecting sealing coolant-temperature gage, and described water pipe is provided with water-feeding valve; Described venting of dust explosion device also comprises the rising pipe for discharging sealing water, and described rising pipe is provided with outlet valve; This device also comprises controller, and described controller is connected with temperature transducer, water-feeding valve and outlet valve respectively.
6. water-sealing fire-retardant explosion venting device according to claim 5, is characterized in that: be provided with U-shaped spill pipe in described venting of dust explosion staving, described spill pipe is connected with rising pipe.
7. water-sealing fire-retardant explosion venting device according to claim 6, is characterized in that: described flame trap also comprises the level sensor for detecting sealing water water level, and described level sensor is connected with controller.
8. water-sealing fire-retardant explosion venting device according to claim 7, it is characterized in that: described level sensor is connected with the scum pipe for despumation, described scum pipe is provided with slag-off valve.
9. water-sealing fire-retardant explosion venting device according to claim 5, it is characterized in that: described venting of dust explosion device also comprises the pressure transducer for detecting venting of dust explosion staving internal pressure and the relief tube for unloading the quick-fried staving internal pressure of drainage, described relief tube is provided with Decompression valves, and described pressure transducer is all connected with controller with Decompression valves.
10. water-sealing fire-retardant explosion venting device according to claim 1, is characterized in that: described venting of dust explosion staving is provided with the withstand voltage transparent window for observing water level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183875.4A CN104763878B (en) | 2015-04-17 | 2015-04-17 | Water seal fire-retardant explosion venting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183875.4A CN104763878B (en) | 2015-04-17 | 2015-04-17 | Water seal fire-retardant explosion venting device |
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| Publication Number | Publication Date |
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| CN104763878A true CN104763878A (en) | 2015-07-08 |
| CN104763878B CN104763878B (en) | 2017-08-25 |
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| CN201510183875.4A Active CN104763878B (en) | 2015-04-17 | 2015-04-17 | Water seal fire-retardant explosion venting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979457A (en) * | 2017-04-18 | 2017-07-25 | 晋中开发区立达机械制造有限公司 | A kind of water seal explosion venting device and its control method |
| CN109279669A (en) * | 2018-09-26 | 2019-01-29 | 高频美特利环境科技（北京）有限公司 | Liquid seal device |
| CN112113232A (en) * | 2020-08-17 | 2020-12-22 | 陕西金黎明环境工程有限公司 | High-efficient minute liquid water seal tank equipment |
| CN113069699A (en) * | 2021-04-19 | 2021-07-06 | 贵州大学 | Water-sealed coal mine gas control explosion-proof device |
| CN113833855A (en) * | 2021-09-27 | 2021-12-24 | 淄博淄柴新能源有限公司 | Water seal fire-retardant explosion venting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1404742A (en) * | 1921-04-04 | 1922-01-31 | Ezekiel C Condit | Mine ventilator |
| CN201093183Y (en) * | 2007-09-14 | 2008-07-30 | 煤炭科学研究总院重庆研究院 | Water sealing type fire retardant blowout device |
| CN102278133A (en) * | 2011-06-29 | 2011-12-14 | 淄博淄柴新能源有限公司 | Individual overflow water seal fire relief and explosion release device |
| CN203115502U (en) * | 2013-01-11 | 2013-08-07 | 淮南市宝鼎工贸有限责任公司 | Water seal type gas pressure-limiting device |
| CN203258375U (en) * | 2013-04-18 | 2013-10-30 | 中冶南方工程技术有限公司 | Water seal type gas radiation device |
| CN203655344U (en) * | 2013-11-29 | 2014-06-18 | 煤科集团沈阳研究院有限公司 | Mining water-seal fire retardance and explosion venting apparatus |
| CN204534140U (en) * | 2015-04-17 | 2015-08-05 | 中煤科工集团重庆研究院有限公司 | Water seal fire-retardant explosion venting device |
-
2015
- 2015-04-17 CN CN201510183875.4A patent/CN104763878B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1404742A (en) * | 1921-04-04 | 1922-01-31 | Ezekiel C Condit | Mine ventilator |
| CN201093183Y (en) * | 2007-09-14 | 2008-07-30 | 煤炭科学研究总院重庆研究院 | Water sealing type fire retardant blowout device |
| CN102278133A (en) * | 2011-06-29 | 2011-12-14 | 淄博淄柴新能源有限公司 | Individual overflow water seal fire relief and explosion release device |
| CN203115502U (en) * | 2013-01-11 | 2013-08-07 | 淮南市宝鼎工贸有限责任公司 | Water seal type gas pressure-limiting device |
| CN203258375U (en) * | 2013-04-18 | 2013-10-30 | 中冶南方工程技术有限公司 | Water seal type gas radiation device |
| CN203655344U (en) * | 2013-11-29 | 2014-06-18 | 煤科集团沈阳研究院有限公司 | Mining water-seal fire retardance and explosion venting apparatus |
| CN204534140U (en) * | 2015-04-17 | 2015-08-05 | 中煤科工集团重庆研究院有限公司 | Water seal fire-retardant explosion venting device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979457A (en) * | 2017-04-18 | 2017-07-25 | 晋中开发区立达机械制造有限公司 | A kind of water seal explosion venting device and its control method |
| CN109279669A (en) * | 2018-09-26 | 2019-01-29 | 高频美特利环境科技（北京）有限公司 | Liquid seal device |
| CN112113232A (en) * | 2020-08-17 | 2020-12-22 | 陕西金黎明环境工程有限公司 | High-efficient minute liquid water seal tank equipment |
| CN113069699A (en) * | 2021-04-19 | 2021-07-06 | 贵州大学 | Water-sealed coal mine gas control explosion-proof device |
| CN113833855A (en) * | 2021-09-27 | 2021-12-24 | 淄博淄柴新能源有限公司 | Water seal fire-retardant explosion venting device |
| CN113833855B (en) * | 2021-09-27 | 2023-08-11 | 淄博淄柴新能源有限公司 | Water seal fire-retarding explosion venting device |
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| Publication number | Publication date |
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| CN104763878B (en) | 2017-08-25 |
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