CN206669337U - A kind of water seal explosion venting device - Google Patents
A kind of water seal explosion venting device Download PDFInfo
- Publication number
- CN206669337U CN206669337U CN201720404544.3U CN201720404544U CN206669337U CN 206669337 U CN206669337 U CN 206669337U CN 201720404544 U CN201720404544 U CN 201720404544U CN 206669337 U CN206669337 U CN 206669337U
- Authority
- CN
- China
- Prior art keywords
- venting
- dust explosion
- air inlet
- water
- storage tank
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of water seal explosion venting device, belongs to gas tube safe transport field.The device includes venting of dust explosion cylinder, and venting of dust explosion cylinder bottom is aqua storage tank, is provided with dividing plate in the middle part of venting of dust explosion cylinder, dividing plate top is provided with closure gate, and venting of dust explosion cylinder is divided into left chamber and right chamber room；Air inlet pipeline is provided with the middle part of left chamber, air inlet pipeline leads to aqua storage tank, aqua storage tank left end is provided with floating drum, floating drum is hollow structure, rubber weather strip is stained with float tank, left chamber is provided with aqueduct at dividing plate, and aqueduct lower end leads to water storage trench bottom, the elbow of upper end is parallel with shunting net, and elbow ends are close to air inlet pipeline；Shunting net shunts air inlet；The water level of dividing plate both sides communicates；Right chamber roof is venting of dust explosion mouth, and venting of dust explosion mouth end is provided with venting of dust explosion piece, and venting of dust explosion mouth bottom is provided with output pipe；Liquid level sensor is provided with the outside of aqua storage tank.The device resistance to pressure is good, compact-sized；Effectively realize energy-saving；Venting of dust explosion instantaneously can use micro water to realize effectively closure.
Description
Technical field
A kind of water seal explosion venting device is the utility model is related to, belongs to gas tube safe transport field.
Background technology
Existing gas tube conveying device is as shown in Fig. 1,2, and Fig. 1 is monotubular structure, and Fig. 2 is double-barrel structure.
Under normal delivery situation, the inlet end 1 shown in methane gas from Fig. 1 flows to outlet side 2 by back-fire relief explosion venting device.
When blast or burning occur for outlet side pipeline gas, shock wave caused by blast makes the explosion of venting of dust explosion part 3, release blast pressure
Power；Water 4 is sealed simultaneously and plays flame arrest, back-fire relief effect, is prevented gas explosion or burning from passing to inlet end pipeline, is reached protection air inlet
Hold the purpose of conveyance conduit and auxiliary device.Existing back-fire relief explosion venting device is not prompt enough thoroughly to preventing gas explosion or burning,
There is flame to be passed to inlet end, be further passed to the risk of underground.
The content of the invention
The utility model aims to provide a kind of water seal explosion venting device.
The utility model provides a kind of water seal explosion venting device, including venting of dust explosion cylinder, and the venting of dust explosion cylinder is arranged on above support,
Venting of dust explosion cylinder bottom is aqua storage tank, and dividing plate is provided with the middle part of venting of dust explosion cylinder, and dividing plate top is provided with closure gate, by venting of dust explosion cylinder be divided into left chamber with
Right chamber room；Air inlet pipeline is provided with the middle part of left chamber, air inlet pipeline leads to aqua storage tank, and aqua storage tank left end is provided with floating drum, during floating drum is
Hollow structure, rubber weather strip is stained with float tank, left chamber is provided with aqueduct at dividing plate, and aqueduct lower end leads to aqua storage tank
Bottom, the elbow of upper end is parallel with shunting net, and elbow ends are close to air inlet pipeline；Shunting net shunts air inlet, prevents impurity from entering
Enter outlet pipe；The water level of dividing plate both sides communicates；Right chamber roof is venting of dust explosion mouth, and venting of dust explosion mouth end is provided with venting of dust explosion piece,
Venting of dust explosion mouth bottom is provided with output pipe；Liquid level sensor is provided with the outside of aqua storage tank, automatic control water level, keeps water seal height
In normal range of operation.
In said apparatus, the venting of dust explosion cylinder bottom is provided with impurity discharging port, by flange closure；Cylinder bottom is provided with observation window of liquid level.
In said apparatus, air inlet port and the air outlet of the air inlet pipeline and output pipe are located at same horizontal line
On；The axis of air inlet pipeline and output pipe is generally aligned in the same plane, consistent away from ground level.
In said apparatus, the outlet side elbow of the output pipe is 75 ° of elbows.
When blast or burning occur for outlet side pipeline gas, shock wave caused by blast makes venting of dust explosion part explosion, release
Blast pressure；Water is sealed simultaneously and plays flame arrest, back-fire relief effect, prevents gas explosion or burning from passing to air inlet pipeline, sealing water makes
Floating drum rises, and blocks admission line, water guide in-pipe flow is cast in the presence of shock wave in floating drum seal groove, in water sealing (sealing water) pipe
In water injection float tank, admission line is further blocked, reaches the purpose of protection inlet end conveyance conduit and auxiliary device completely.
The utility model product meets AQ1072-2009《Gas tube conveys water-sealing fire-retardant explosion venting device technical conditions》；
Water-sealing fire-retardant explosion venting device use condition：a）Environment temperature: 2℃~ 50℃；b）Relative humidity: ≤95%(25℃)；c）Air
Pressure: 80kPa~106kPa；d）Gas in pipelines flow velocity:≤10m/s；e）Gas transmission design pressure:≤30kPa；f）Seal water water
Matter:Suspension≤20mg/L, total hardness≤6mmol/L;6.5≤PH(25℃) ≤8.
Water seal explosion venting device design standard provided by the utility model：
1st, back-fire relief explosion venting device nominal pressure（Without venting of dust explosion part）：Nominal pressure >=1.0MPa
2nd, venting of dust explosion part release pressure：Discharge pressure=100kPa
3rd, effective water seal height：Can effective back-fire relief, while the pressure loss≤2.0kPa
Effective water seal height：80mm
4th, the pressure loss：The water-sealing fire-retardant explosion venting device pressure loss≤2.0kPa
5th, water level automatic control function：Effective water seal height is set to 80mm, minimum altitude 70mm, maximum height 90mm, when
When water seal height is less than 70mm, it is automatically replenished to 80mm, when water seal height is higher than 90mm, automatic draining to 80mm；Work as water seal
, can automatic alarm when highly exceeding normal range of operation；Detection moisturizing pipeline pressure in real time, can be certainly when moisturizing pipeline is anhydrous
Dynamic alarm.
The beneficial effects of the utility model：
（1）Propose horizontal monotubular water-sealing fire-retardant venting of dust explosion structure first, this equipment has that resistance to pressure is good, compact-sized to wait spy
Point；
（2）Outlet elbow uses 75 ° of elbows instead（Outlet side elbow）, draft head is effectively reduced, reduces flowing resistance,
Ventilation motor current reduction, effectively realize energy-saving；
（3）The bottom water tank containment structures of uniqueness are devised, cistern water level can be effectively controlled, solve traditional water-sealed equipment
The unstable problem of water storage.
（4）Design adds water seal aqueduct, and venting of dust explosion instantaneously can use micro water to realize effectively and block, in water seal aqueduct
Current are cast in the presence of shock wave in floating drum seal groove, further enhance the reliability of closure；
（5）Whole device uses CAE means, with CAD, optimizes structural behaviour, has carried out sufficiently strong
Degree is checked and structure optimization, possesses higher reliability and performance.
Brief description of the drawings
Fig. 1 is gas tube conveying device list barrel structure schematic diagram in the prior art.
Fig. 2 is gas tube conveying device twin-tub structural representation in the prior art.
Fig. 3 is the structural representation of the utility model water seal explosion venting device.
Fig. 4 is Fig. 3 left view.
Fig. 5 is Fig. 3 upward view.
Fig. 6 is along the sectional view of line A-A in Fig. 4.
Fig. 7 is the schematic diagram of the utility model normal operating conditions.
Fig. 8 is the schematic diagram of the utility model venting of dust explosion working condition.
In figure：1 is inlet end；2 be outlet side；3 be venting of dust explosion part；4 be sealing water：5 be water level controller；6 be glass
Pipe water-level gauge；7 be metal shunt net；8 be venting of dust explosion cylinder, and 9 be aqua storage tank, and 10 be air inlet pipeline, and 11 be dividing plate, and 12 be closure gate,
13 be venting of dust explosion piece, and 14 be output pipe, and 15 be shunting net, and 16 be aqueduct, and 17 be floating drum, and 18 be observation window of liquid level, and 19 be row
Miscellaneous mouth, 20 be support；A is airintake direction, and B is outgassing direction, and C is propagation of explosion direction.
Embodiment
The utility model is further illustrated below by embodiment, but is not limited to following examples.
Embodiment 1：
Fig. 1 and Fig. 2 is the schematic diagram of single barrel of gas tube conveying device or twin-tub structure in the prior art.
As shown in Fig. 3 ~ 6, a kind of water seal explosion venting device, including venting of dust explosion cylinder 8, the venting of dust explosion cylinder 8 are arranged on the top of support 20,
The bottom of venting of dust explosion cylinder 8 is aqua storage tank 9, and the middle part of venting of dust explosion cylinder 8 is provided with dividing plate 11, and the top of dividing plate 11 is provided with closure gate 12, venting of dust explosion cylinder 8 is divided
For left chamber and right chamber room；Air inlet pipeline 10 is provided with the middle part of left chamber, air inlet pipeline 10 leads to aqua storage tank 9, and the left end of aqua storage tank 9 is set
There is floating drum 17, floating drum 17 is hollow structure, and rubber weather strip is stained with float tank, and left chamber is provided with aqueduct at dividing plate
16, the lower end of aqueduct 16 leads to the bottom of aqua storage tank 9, and the elbow of the upper end of aqueduct 16 is parallel with shunting net 15, and elbow ends are close
Air inlet pipeline 10；Shunting net 15 shunts air inlet, prevents impurity from entering outlet pipe；The water level of the both sides of dividing plate 11 is to communicate
's；Right chamber roof is venting of dust explosion mouth, and venting of dust explosion mouth end is provided with venting of dust explosion piece 13, and venting of dust explosion mouth bottom is provided with output pipe 14；In water storage
The outside of groove 9 is provided with liquid level sensor, automatic control water level, water seal height is maintained in normal range of operation.
In said apparatus, the bottom of venting of dust explosion cylinder 8 is provided with impurity discharging port 19, by flange closure；Observed provided with liquid level cylinder bottom
Window 18.
In said apparatus, air inlet port and the air outlet of the air inlet pipeline 10 and output pipe 14 are located at same level
On line.The axis of air inlet pipeline 10 and output pipe 14 is generally aligned in the same plane, consistent away from ground level.
In said apparatus, the outlet side elbow of the output pipe 14 is 75 ° of elbows.
When blast or burning occur for outlet side pipeline gas, shock wave caused by blast makes venting of dust explosion part explosion, release
Blast pressure；Water is sealed simultaneously and plays flame arrest, back-fire relief effect, prevents gas explosion or burning from passing to air inlet pipeline, sealing water makes
Floating drum rises, and blocks admission line, water guide in-pipe flow is cast in the presence of shock wave in floating drum seal groove, in water sealing (sealing water) pipe
In water injection float tank, admission line is further blocked, reaches the purpose of protection inlet end conveyance conduit and auxiliary device completely.
The control method of above-mentioned water seal explosion venting device provided by the utility model, including herein below：
1）, control process under normal condition：Inlet end air inlet, inlet end air pressure increase, and air pressure declines floating drum, floating drum
Stood away with inlet end bottom port, gas enters left chamber, enters right chamber room by closure gate, enters back into efferent duct
Road.Now, water level is less than water level in right chamber room in left chamber.
2）, control process under venting of dust explosion state：Blast or burning, now, right chamber pressure occur for outlet side pipeline gas
Increase, closure gate are closed, and air pressure makes water level decreasing in right chamber room, and hydraulic pressure is entered into left chamber, and sealing water rises floating drum, block into
Feed channel, while seal water and play flame arrest, back-fire relief effect, prevent gas explosion or burning from passing to air inlet pipeline, air pressure enters an increasing
Greatly, shock wave caused by blast makes venting of dust explosion part explosion, discharges blast pressure, effect of the water seal water guide in-pipe flow in shock wave
Under be cast in floating drum seal groove, further block admission line, reach protection inlet end conveyance conduit and auxiliary device completely
Purpose.
In control process, the water level control process of aqua storage tank：The water level of aqua storage tank is controlled by liquid level sensor, effective water seal
80mm, minimum altitude 70mm, maximum height 90mm are highly set to, when water seal height is less than 70mm, liquid level sensor signal passes
To electric control box, control inlet channel electrically-controlled valve is opened, and adjutage electrically-controlled valve is normally closed, is automatically replenished to 80mm.When water seal height
When degree is higher than 90mm, adjutage electrically-controlled valve is opened, and now, inlet channel electrically-controlled valve is normally closed, automatic draining to 80mm；When water seal height
, can automatic alarm when degree exceeds normal range of operation；Detection moisturizing pipeline pressure in real time, can be automatic when moisturizing pipeline is anhydrous
Alarm.
The utility model principle：Air-flow during normal work is as shown in fig. 7, now closure gate is kept in the presence of air-flow
Open mode, the water level of left and right intracavitary is as shown in the figure.As shown by arrows in FIG., A is air inlet side in the direction of Gas Flow in device
To B is outgassing direction.In storage tank in water table ratio water seal cylinder high twice of water level water seal height.
Air-flow during venting of dust explosion is as shown in Figure 8.Now closure gate closes dividing plate air inlet under blast pressure and Action of Gravity Field
Passage, floating drum rise, and block admission line, and water is injected in float tank in water sealing (sealing water) pipe, further blocks admission line, left and right intracavitary
Water level it is substantially suitable, as shown in the figure.A is airintake direction, and C is propagation of explosion direction.In order to provide one with liquid level sensor to control
The detection of individual stabilization and measuring environment, ensure the accuracy and reliability of level gauging, so as to ensure whole water-sealing fire-retardant venting of dust explosion
The reliability of device, employ the structure of uniqueness.
Claims (4)
- A kind of 1. water seal explosion venting device, it is characterised in that：Including venting of dust explosion cylinder, the venting of dust explosion cylinder is arranged on above support, venting of dust explosion cylinder Bottom is aqua storage tank, is provided with dividing plate in the middle part of venting of dust explosion cylinder, dividing plate top is provided with closure gate, and venting of dust explosion cylinder is divided into left chamber and right chamber Room；Air inlet pipeline is provided with the middle part of left chamber, air inlet pipeline leads to aqua storage tank, and aqua storage tank left end is provided with floating drum, and floating drum is hollow knot Structure, rubber weather strip is stained with float tank, left chamber is provided with aqueduct at dividing plate, and aqueduct lower end leads to aqua storage tank bottom Portion, the elbow of upper end is parallel with shunting net, and elbow ends are close to air inlet pipeline；Shunting net shunts air inlet；The water of dividing plate both sides Liquid level communicates；Right chamber roof is venting of dust explosion mouth, and venting of dust explosion mouth end is provided with venting of dust explosion piece, and venting of dust explosion mouth bottom is provided with output pipe； Liquid level sensor is provided with the outside of aqua storage tank, automatic control water level, water seal height is maintained in normal range of operation.
- 2. water seal explosion venting device according to claim 1, it is characterised in that：The venting of dust explosion cylinder bottom is provided with impurity discharging port, by Flange closure；Cylinder bottom is provided with observation window of liquid level.
- 3. water seal explosion venting device according to claim 1, it is characterised in that：The air inlet of the air inlet pipeline and output pipe Port is located in same horizontal line with air outlet；The axis of air inlet pipeline and output pipe is generally aligned in the same plane, away from ground height Degree is consistent.
- 4. water seal explosion venting device according to claim 1, it is characterised in that：The outlet side elbow of the output pipe is 75 ° of elbows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404544.3U CN206669337U (en) | 2017-04-18 | 2017-04-18 | A kind of water seal explosion venting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404544.3U CN206669337U (en) | 2017-04-18 | 2017-04-18 | A kind of water seal explosion venting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206669337U true CN206669337U (en) | 2017-11-24 |
Family
ID=60372267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720404544.3U Expired - Fee Related CN206669337U (en) | 2017-04-18 | 2017-04-18 | A kind of water seal explosion venting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206669337U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-04-18 CN CN201720404544.3U patent/CN206669337U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106979457A (en) | A kind of water seal explosion venting device and its control method | |
| CN102278133B (en) | Individual overflow water seal fire relief and explosion release device | |
| CN104763878B (en) | Water-sealing fire-retardant explosion venting device | |
| CN105650479A (en) | U-shaped bidirectional coal gas water sealing device | |
| CN206669337U (en) | A kind of water seal explosion venting device | |
| CN204611055U (en) | A kind of altitude valve | |
| CN104453985B (en) | A kind of water-sealing fire-retardant explosion venting device and its control method | |
| CN201106454Y (en) | Firedamp pipeline slagoff drainage device | |
| CN102900459B (en) | Self-balancing water-seal-type anti-explosion device | |
| CN105256860A (en) | Pressure-superposed water supply pressure-stabilized tank and method for measuring gas missing amount | |
| CN202266297U (en) | Box-type negative-pressure automatic water drainer | |
| CN107327315A (en) | Automatic water drainage device | |
| CN202132064U (en) | Single type overflow water-seal flame-arresting explosion-relief device | |
| CN205348350U (en) | Drop device and rainwater collection system | |
| CN205579163U (en) | Two -way gas water seal device of U type | |
| CN204312123U (en) | A kind of water-sealing fire-retardant explosion venting device | |
| CN207609632U (en) | A kind of siphon pipe exhaust apparatus | |
| CN206320395U (en) | A kind of tubule road air bleeding valve | |
| CN202484515U (en) | Protective device for forward water hammer | |
| CN206270029U (en) | For the flooding simulation device of negative pressure automatic drainage device | |
| CN106195414B (en) | A kind of composite exhaust valve with buffer unit | |
| CN207061559U (en) | The oxygen system of elevator | |
| CN204534140U (en) | Water-sealing fire-retardant explosion venting device | |
| CN206891689U (en) | A kind of two purposes water hole systems | |
| CN208294561U (en) | It is a kind of for discharging the tailrace of coal extraction gas pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20210418 |