CN209655045U - Water seal for coal gas drainage system and gas safety system - Google Patents
Water seal for coal gas drainage system and gas safety system Download PDFInfo
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- CN209655045U CN209655045U CN201920257990.5U CN201920257990U CN209655045U CN 209655045 U CN209655045 U CN 209655045U CN 201920257990 U CN201920257990 U CN 201920257990U CN 209655045 U CN209655045 U CN 209655045U
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Abstract
The utility model discloses water seal for coal gas drainage system and gas safety systems, are related to coal gas conveying equipment technical field.A kind of water seal for coal gas drainage system, including gas pipe, water sealing (sealing water) pipe, main sewer, low level overflow pipe and high-order overflow pipe.Gas pipe is connected with water sealing (sealing water) pipe, and water sealing (sealing water) pipe is located at below gas pipe.One end of main sewer is connected to water seal bottom of the tube, and the other end is higher than gas pipe.Low level overflow pipe is connected to main sewer, and is lower than water sealing (sealing water) pipe.High-order overflow pipe is connected to main sewer, and is higher than water sealing (sealing water) pipe.Main sewer is provided with the first start and stop valve close to one end of water sealing (sealing water) pipe.The end that low level overflow pipe is connected to main sewer is provided with the second start and stop valve.A kind of gas safety system, which employs above-mentioned water seal for coal gas drainage systems.Water seal for coal gas drainage system provided by the utility model and gas safety system can be convenient for the water level conditions in observation water sealing (sealing water) pipe, convenient for the control of water seal for coal gas.
Description
Technical field
The utility model relates to coal gas conveying equipment technical fields, in particular to water seal for coal gas drainage system and coal
Gas security system.
Background technique
Water seal for coal gas be generally used in iron and steel enterprise it is a kind of for cutting off the device of coal gas.Water seal for coal gas at present
Drainage pattern is that low level Overflow drainage and high-order Overflow drainage share a water outlet, can not intuitive judgment low level overflow pipe still
It is drained from high-order overflow pipe, to can not judge the water level of water seal, also can not just judge that water seal is for unlatching or to close shape
State.It and must be the operation shape for judging water seal indirectly for unlatching or closed state by the valve on observation low level overflow pipe
State (open by valve opening, water seal；Valve is closed, and water seal is closed).But if valve break down (be such as shown as opening, but
It is practically in closed state), then it still can not judge water seal operating status.And water seal is as gas cutting device, coal downstream
Gas facility is very likely in inspecting state, and has personnel's entrance.Once the water seal that should be in close state actually but is located
In open state, it is bound to cause coal gas and enters downstream gas facility, cause a serious accident.
Utility model content
The purpose of this utility model is to provide a kind of water seal for coal gas drainage systems, can be convenient for the water in observation water sealing (sealing water) pipe
Position situation, convenient for the control of water seal for coal gas.
The utility model provides a kind of technical solution:
A kind of water seal for coal gas drainage system, the water seal for coal gas drainage system include gas pipe, water sealing (sealing water) pipe, main sewer,
Low level overflow pipe and high-order overflow pipe.The gas pipe is connected with the water sealing (sealing water) pipe, and U-shaped is collectively formed, the water
Tube sealing is located at below gas pipe.One end of the main sewer is connected to the bottom of the water sealing (sealing water) pipe, and in the water sealing (sealing water) pipe
The other end of portion's connection, the main sewer is higher than the gas pipe.The low level overflow pipe is connected to the main sewer, and
And the low level overflow pipe is lower than the water sealing (sealing water) pipe.The high position overflow pipe is connected to the main sewer, and the high position
Overflow pipe is higher than the water sealing (sealing water) pipe.The main sewer is provided with the first start and stop valve close to one end of the water sealing (sealing water) pipe, and described
One start and stop valve is for being turned on or off the main sewer.The end that the low level overflow pipe is connected to the main sewer is set
It is equipped with the second start and stop valve, the second start and stop valve is for being turned on or off the low level overflow pipe.
Further, the water seal for coal gas drainage system further includes subdrain funnel, the subdrain funnel setting
In the lower section of the low level overflow pipe water outlet, and for accepting the water flowed out from the low level overflow pipe.
Further, the subdrain funnel has the first birdsmouth for accepting water, first birdsmouth with
There is spacing between the water outlet of the low level overflow pipe.
Further, the water seal for coal gas drainage system further includes high-order water drain funnel, the high position water drain funnel setting
In the lower section of the high-order overflow pipe water outlet, and for accepting the water flowed out from the high-order overflow pipe.
Further, the high-order water drain funnel has the second birdsmouth for accepting water, second birdsmouth with
There is spacing between the water outlet of the high position overflow pipe.
Further, the main sewer includes the first total pipeline section, second total pipeline section and the total pipeline section of third being sequentially communicated.
One end of first total pipeline section is connected to the bottom of the water sealing (sealing water) pipe, and extends downwardly.One end of second total pipeline section connects
It is connected to the other end of described first total pipeline section, and along horizontal extension.It is total that one end of the total pipeline section of third is connected to described second
The other end of pipeline section, and upwardly extend, the other end of the total pipeline section of third is higher than the gas pipe.The first start and stop valve is set
It is placed on described first total pipeline section, the low level overflow pipe and the high-order overflow pipe are all connected on the total pipeline section of the third.
Further, the quantity of the first start and stop valve is two, and two the first start and stop valves are arranged at intervals at described
On first total pipeline section.
Further, the low level overflow pipe includes the first low level pipe and the second low level pipe, and the high position overflow pipe includes
First high-order pipe and the second high-order pipe.One end of the first low level pipe is connected to the main sewer, and along horizontal extension, institute
The first low level pipe is stated lower than the water sealing (sealing water) pipe.The second start and stop valve is set on the first low level pipe.Second low level
One end of pipe is connected to the other end of the first low level pipe, and extends downwardly.One end of described first high-order pipe is connected to institute
Main sewer is stated, and along horizontal extension, the described first high-order pipe is higher than the water sealing (sealing water) pipe.One end connection of described second high-order pipe
In the other end of the described first high-order pipe, and extend downwardly.
Further, blind plate is additionally provided on the low level overflow pipe, the blind plate is described low for being turned on or off
Position overflow pipe.
Compared with prior art, the beneficial effect of water seal for coal gas drainage system provided by the utility model is:
Water seal for coal gas drainage system provided by the utility model is by being filled with enough water seal gas pipes in water sealing (sealing water) pipe
Transmission when, at this time for closing the water of coal gas transmission full of entire water sealing (sealing water) pipe and entering in gas pipe, when water level is higher than height
Just extra water can be discharged by high-order overflow pipe when the height of position overflow pipe, just can pass through leak in high-order overflow pipe at this time
Judge that water sealing (sealing water) pipe is in the state of closing gas pipe.In addition, it is necessary to which when opening water sealing (sealing water) pipe low level can be opened by the second start and stop valve
Overflow pipe, so that the water in water sealing (sealing water) pipe is discharged by low level overflow pipe, when not outflow water in low level overflow pipe, due to low level
Overflow pipe is lower than water sealing (sealing water) pipe, then shows that water sealing (sealing water) pipe fully opens.That is, water seal for coal gas drainage system provided by the utility model can lead to
, can be convenient for judging the water position status in water sealing (sealing water) pipe after the low level overflow pipe being arranged independently of each other and high-order overflow pipe, and then be convenient for
Judge the fully open state and closed state of water sealing (sealing water) pipe.
The another object of the utility model is to provide a kind of gas safety system, can be convenient for observing the water in water sealing (sealing water) pipe
Position situation, convenient for the control of water seal for coal gas.
The utility model provides a kind of technical solution:
A kind of gas safety system, including water seal for coal gas drainage system.A kind of water seal for coal gas drainage system, the gas liquor
Envelope drainage system includes gas pipe, water sealing (sealing water) pipe, main sewer, low level overflow pipe and high-order overflow pipe.The gas pipe and described
Water sealing (sealing water) pipe is connected, and U-shaped is collectively formed, and the water sealing (sealing water) pipe is located at below gas pipe.One end of the main sewer connects
It is connected to the bottom of the water sealing (sealing water) pipe, and is connected to the water sealing (sealing water) pipe inside, the other end of the main sewer is higher than the coal gas
Pipe.The low level overflow pipe is connected to the main sewer, and the low level overflow pipe is lower than the water sealing (sealing water) pipe.The high position
Overflow pipe is connected to the main sewer, and the high-order overflow pipe is higher than the water sealing (sealing water) pipe.The main sewer is close to institute
The one end for stating water sealing (sealing water) pipe is provided with the first start and stop valve, and the first start and stop valve is for being turned on or off the main sewer.Institute
State low level overflow pipe and be connected to the end of the main sewer and be provided with the second start and stop valve, the second start and stop valve for opening or
Person closes the low level overflow pipe.
Compared with prior art, the beneficial effect of gas safety system provided by the utility model and above-mentioned water seal for coal gas drain
The beneficial effect of system compared with the existing technology is identical, and details are not described herein.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the water seal for coal gas drainage system that the first embodiment of the utility model provides.
Icon: 10- water seal for coal gas drainage system；110- gas pipe；120- water sealing (sealing water) pipe；200- main sewer；210- first
Total pipeline section；211- the first start and stop valve；The total pipeline section of 220- second；The total pipeline section of 230- third；300- low level overflow pipe；310- first is low
Position pipe；311- the second start and stop valve；320- the second low level pipe；330- subdrain funnel；400- high position overflow pipe；410- first is high
Position pipe；The high-order pipe of 420- second；430- high position water drain funnel.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
First embodiment
Referring to Fig. 1, providing a kind of water seal for coal gas drainage system 10 in the present embodiment, wherein water seal for coal gas draining
System 10 is used to selectively close off and open the transmission path of coal gas, can stop the defeated of coal gas by way of water-stop
It send；Or water is discharged, so that coal gas transport path is unimpeded, coal gas just can be made to carry out smooth conveying.The water seal for coal gas
Drainage system 10 can be convenient for the water level conditions in observation water sealing (sealing water) pipe 120, convenient for the control of water seal for coal gas.
Water seal for coal gas drainage system 10 includes gas pipe 110, water sealing (sealing water) pipe 120, main sewer 200,300 and of low level overflow pipe
High-order overflow pipe 400.
Wherein, gas pipe 110 is used for the conveying of coal gas.And gas pipe 110 is connected to water sealing (sealing water) pipe 120, and and water sealing (sealing water) pipe
120 connections.That is, energy gas pipe 110 is when conveying coal gas, coal gas is needed by inside water sealing (sealing water) pipe 120.In the present embodiment, coal
U-shaped is collectively formed in tracheae 110 and water sealing (sealing water) pipe 120, and water sealing (sealing water) pipe 120 is located at the lower section of gas pipe 110.Specifically, coal gas
Pipe 110 includes air inlet pipe and an air outlet pipe, and air inlet pipe and an air outlet pipe is connected to the both ends of water sealing (sealing water) pipe 120, to form U-shaped.
That is, in the present embodiment, when the water in water sealing (sealing water) pipe 120 is full of water sealing (sealing water) pipe 120, water can be entered in gas pipe 110, can shape
At the purpose of closing gas pipe 110, and then stop the conveying of coal gas；In addition, when the water in water sealing (sealing water) pipe 120 is less, water seal
Pipe 120 then will form channel close to the side of gas pipe 110, and then can be carried out the conveying of coal gas, particularly, when water sealing (sealing water) pipe 120
In water when being all discharged, water sealing (sealing water) pipe 120 is in the state that fully opens, and coal gas conveying capacity is maximum at this time.
It should be noted that in the present embodiment, water sealing (sealing water) pipe 120 is also connected with water pump (not shown), water pump can be defeated by water
It send into water sealing (sealing water) pipe 120, so that can be full of water sealing (sealing water) pipe 120 and realize closing gas pipe 110, and then stops coal gas conveying
Purpose.
One end of main sewer 200 is connected to the bottom of water sealing (sealing water) pipe 120, in order to pass through main sewer 200 for water sealing (sealing water) pipe
Water discharge in 120.That is, in the present embodiment, when the needs of water sealing (sealing water) pipe 120 are converted to open state from closed state, only needing
Water is discharged by main sewer 200.
Wherein, in the present embodiment, the other end of main sewer 200 is higher than gas pipe 110.Specifically, main sewer 200
Including first total pipeline section 210, second total pipeline section 220 and the total pipeline section 230 of third.One end of first total pipeline section 210 is connected to water seal
The bottom of pipe 120, and extend downwardly.So that the water inside water sealing (sealing water) pipe 120 can be drawn by first total pipeline section 210.Second is total
One end of pipeline section 220 is connected to the other end of first total pipeline section 210, and along horizontal extension.One end of the total pipeline section 230 of third connects
It in the other end of second total pipeline section 220, and upwardly extends, and the other end of the total pipeline section 230 of third is higher than gas pipe 110.Its
In, the total pipeline section 230 of third is set above gas pipe 110, water seal can be reacted convenient for the water level passed through in the total pipeline section 230 of third
The water level in water level or gas pipe 110 in pipe 120.
It should be noted that set forth above upwardly extend, extend downwardly and along horizontal extension, what "upper" referred to
It is, when water seal for coal gas 10 normal mounting of drainage system, upwardly direction on conventional meaning, as in contrast to gravity direction
Direction；"lower" refers to, when water seal for coal gas 10 normal mounting of drainage system, downwardly direction on conventional meaning, as
The identical direction with gravity direction；"horizontal" refers to, when water seal for coal gas 10 normal mounting of drainage system, on conventional meaning
Horizontal direction, as perpendicular to the direction of gravity direction.
In addition, in the present embodiment, the first start and stop valve 211 is additionally provided on main sewer 200, the first start and stop valve can be passed through
The opening and closing of 211 control main sewers 200, can the realization main sewer 200 of selectivity be turned on or off.Work as main sewer
When 200 unlatching, then the water in water sealing (sealing water) pipe 120 can be discharged by main sewer 200；It, then can be when main sewer 200 is closed
Water storage is carried out in water sealing (sealing water) pipe 120, realizes the purpose of closing gas pipe 110.
Further, in the present embodiment, the first start and stop valve 211 is two, and two the first start and stop valves 211 are respectively provided with
In on first total pipeline section 210, and two the first start and stop valves 211 interval settings.By the way that two the first start and stop valves 211, energy is arranged
Guarantee controls more effective stabilization for main sewer 200.Also, when the damage of one of them the first start and stop valve 211, can equally it lead to
It crosses another the first start and stop valve 211 and is operated open and close control to realize main sewer 200.
Low level overflow pipe 300 is connected to main sewer 200, is specifically connected on the total pipeline section 230 of third, and low level overflow
Pipe 300 is lower than water sealing (sealing water) pipe 120.I.e. when main sewer 200 is opened and connected in water sealing (sealing water) pipe 120, low level overflow pipe 300 can be passed through
With the connected relation of main sewer 200, make it possible to that water is discharged by low level overflow pipe 300.Since low level overflow pipe 300 is lower than
Water sealing (sealing water) pipe 120 can make that the water in water sealing (sealing water) pipe 120 is all discharged by low level overflow pipe 300, to realize water sealing (sealing water) pipe 120
Fully open.
In the present embodiment, low level overflow pipe 300 shows themselves in that low level overflow pipe 300 includes first low lower than water sealing (sealing water) pipe 120
Position pipe 310 and the second low level pipe 320, one end of the first low level pipe 310 are connected to main sewer 200, and along horizontal extension, and
First low level pipe 310 is lower than water sealing (sealing water) pipe 120；In addition, one end of the second low level pipe 320 is connected to the another of the first low level pipe 310
End, and extend downwardly.That is, in the present embodiment, when the unlatching of main sewer 200, and the water level in water sealing (sealing water) pipe 120 is higher than first
When low level pipe 310, just water can be drawn by the first low level pipe 310 and pass through the second low level pipe 320 and be discharged, realize discharge water seal
The purpose of water in pipe 120.
In addition, in the present embodiment, the second start and stop valve 311, the second start and stop valve 311 are additionally provided on low level overflow pipe 300
For selectively closing off or opening low level overflow pipe 300, low level overflow pipe 300 can be opened by the second start and stop valve 311,
So that can be drained by low level overflow pipe 300；It equally can be by closing low level overflow pipe 300, in order to the storage of water sealing (sealing water) pipe 120
Water, and then realize the purpose of closing gas pipe 110.Wherein, the second start and stop valve 311 is set on the first low level pipe 310.
Further, in the present embodiment, blind plate is additionally provided on low level overflow pipe 300, blind plate is adjacent to the second start and stop
Valve 311 is arranged.Equally the opening and closing of low level overflow pipe 300 further can be selectively controlled by blind plate, and then guarantee that low level overflows
Effective stabilization that flow tube 300 controls.
In addition, in the present embodiment, water seal for coal gas drainage system 10 further includes subdrain funnel 330, subdrain leakage
Bucket 330 is set to the lower section of 300 water outlet of low level overflow pipe, to be accepted by subdrain funnel 330 from low level overflow pipe 300
The water of middle outflow, and water is directed to specified position.Wherein, subdrain funnel 330 has and holds for accepting the first of water
Whether interface has spacing between the first birdsmouth and the water outlet of low level overflow pipe 300, have in order to be run through by the spacing
Water is flowed out from low level overflow pipe 300.
High-order overflow pipe 400 is connected to main sewer 200, is specifically connected on the total pipeline section 230 of third, also, high-order excessive
Flow tube 400 is higher than water sealing (sealing water) pipe 120.That is, then showing that water level has been over water seal when there are flowing out in high-order overflow pipe 400
Pipe 120 just can be sealed gas pipe 110 by water at this time.
In the present embodiment, high-order overflow pipe 400 includes the first high-order pipe 410 and the second high-order pipe 420, the first high-order pipe
410 one end is connected to main sewer 200, and specifically, the first high-order pipe 410 is connected to the total pipeline section 230 of third, and prolongs along level
It stretches.Wherein, high-order overflow pipe 400 shows themselves in that the first high-order pipe 410 is higher than water sealing (sealing water) pipe 120, i.e., when the water in water sealing (sealing water) pipe 120 fills
Man Shi, while when water enters in gas pipe 110 and water level is made to be more than the first high-order pipe 410, it just can pass through the first high-order pipe
410 draw water.One end of second high-order pipe 420 is connected to the other end of the first high-order pipe 410, and extends downwardly, to pass through
Water is discharged second high-order pipe 420.
When main sewer 200 is opened, and at the same time just can when the water level in gas pipe 110 is more than the first high-order pipe 410
Water is led into the second high-order pipe 420 by the first high-order pipe 410, and is discharged by the second high-order pipe 420.At this point, can be from
Two high-order pipes 420 see that water flows out, and can judge, the water in water sealing (sealing water) pipe 120 fills with, that is, realize and stop coal gas conveying
Purpose.
Further, in the present embodiment, water seal for coal gas drainage system 10 further includes high-order water drain funnel 430, high position row
Hyponome 430 is set to the lower section of high-order overflow pipe 400, and the water flowed out for accepting high-order overflow pipe 400.In addition, high-order
There is the second birdsmouth for accepting water, between the second birdsmouth and the water outlet of high-order overflow pipe 400 on water drain funnel 430
With spacing.Whether there are flowing out convenient for being observed in high-order overflow pipe 400 by the spacing, if had in high-order overflow pipe 400
Water outflow, just can judge to fill with water in water sealing (sealing water) pipe 120, just have been carried out the stopping conveyed by water sealing (sealing water) pipe 120 to coal gas.
In the present embodiment, when needing to seal the conveying of coal gas by water sealing (sealing water) pipe 120, the first start and stop valve 211 is opened, is closed
The second start and stop valve 311 is closed, water is then filled with into water sealing (sealing water) pipe 120 by water pump, when there is water to flow out from high-order overflow pipe 400
When, the water in water sealing (sealing water) pipe 120 fills at this time, and water level has reached in gas pipe 110, is able to achieve and coal gas is conveyed
Termination, and stop the input of water pump.When needing that water sealing (sealing water) pipe 120 is connected, the second start and stop valve 311 is opened, just can be passed through at this time
Low level overflow pipe 300 is drained, and when water flow stops in low level overflow pipe 300, can illustrate the water discharge in water sealing (sealing water) pipe 120
It finishes, water sealing (sealing water) pipe 120 is in the state fully opened at this time.After closing the first start and stop valve 211, coal just can be steadily conveyed
Gas is avoided that coal gas is leaked from main sewer 200.
The water seal for coal gas drainage system 10 provided in the present embodiment is by being filled with enough water seal coals in water sealing (sealing water) pipe 120
When the transmission of tracheae 110, at this time for closing the water of coal gas transmission full of entire water sealing (sealing water) pipe 120 and entering in gas pipe 110,
Just extra water can be discharged by high-order overflow pipe 400 when water level is higher than the height of high-order overflow pipe 400, just can be led at this time
It crosses leak in high-order overflow pipe 400 and judges that water sealing (sealing water) pipe 120 is in the state of closing gas pipe 110.In addition, it is necessary to open water sealing (sealing water) pipe
When 120, low level overflow pipe 300 can be opened by the second start and stop valve 311, so that will be in water sealing (sealing water) pipe 120 by low level overflow pipe 300
Water discharge, when not outflow water in low level overflow pipe 300, due to low level overflow pipe 300 be lower than water sealing (sealing water) pipe 120, then show water
Tube sealing 120 fully opens.That is, water seal for coal gas drainage system 10 provided by the utility model can pass through the low level being arranged independently of each other
Overflow pipe 300 and high-order overflow pipe 400, can be convenient for judging the water position status in water sealing (sealing water) pipe 120, and then is convenient for judging water sealing (sealing water) pipe
120 fully open state and closed state.
Second embodiment
A kind of gas safety system (not shown) is provided in the present embodiment, which uses first and implement
The water seal for coal gas drainage system 10 provided in example.The gas safety system can be convenient for the water level conditions in observation water sealing (sealing water) pipe 120, just
In the control of water seal for coal gas.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of water seal for coal gas drainage system, which is characterized in that the water seal for coal gas drainage system include gas pipe, water sealing (sealing water) pipe,
Main sewer, low level overflow pipe and high-order overflow pipe；
The gas pipe is connected with the water sealing (sealing water) pipe, and U-shaped is collectively formed, and the water sealing (sealing water) pipe is located at below gas pipe；
One end of the main sewer is connected to the bottom of the water sealing (sealing water) pipe, and is connected to the water sealing (sealing water) pipe inside, the draining
The other end of general pipeline is higher than the gas pipe；
The low level overflow pipe is connected to the main sewer, and the low level overflow pipe is lower than the water sealing (sealing water) pipe；
The high position overflow pipe is connected to the main sewer, and the high-order overflow pipe is higher than the water sealing (sealing water) pipe；
The main sewer is provided with the first start and stop valve close to one end of the water sealing (sealing water) pipe, the first start and stop valve for opening or
Person closes the main sewer；
The end that the low level overflow pipe is connected to the main sewer is provided with the second start and stop valve, and the second start and stop valve is used for
It is turned on or off the low level overflow pipe.
2. water seal for coal gas drainage system according to claim 1, which is characterized in that the water seal for coal gas drainage system also wraps
Include subdrain funnel, the subdrain funnel is set to the lower section of the low level overflow pipe water outlet, and for accept from
The water of the low level overflow pipe outflow.
3. water seal for coal gas drainage system according to claim 2, which is characterized in that the subdrain funnel, which has, to be used for
The first birdsmouth for accepting water has spacing between first birdsmouth and the water outlet of the low level overflow pipe.
4. water seal for coal gas drainage system according to claim 1, which is characterized in that the water seal for coal gas drainage system also wraps
Include high-order water drain funnel, the high position water drain funnel is set to the lower section of the high-order overflow pipe water outlet, and for accept from
The water of the high position overflow pipe outflow.
5. water seal for coal gas drainage system according to claim 4, which is characterized in that the high position water drain funnel, which has, to be used for
The second birdsmouth of water is accepted, there is spacing between second birdsmouth and the water outlet of the high-order overflow pipe.
6. water seal for coal gas drainage system described in any one of -5 according to claim 1, which is characterized in that the main sewer
First total pipeline section, second total pipeline section and the total pipeline section of third including being sequentially communicated；
One end of first total pipeline section is connected to the bottom of the water sealing (sealing water) pipe, and extends downwardly；
One end of second total pipeline section is connected to the other end of described first total pipeline section, and along horizontal extension；
One end of the total pipeline section of third is connected to the other end of described second total pipeline section, and upwardly extends, the third general pipeline
The other end of section is higher than the gas pipe；
The first start and stop valve is set on described first total pipeline section, and the low level overflow pipe and the high-order overflow pipe are all connected with
In on the total pipeline section of the third.
7. water seal for coal gas drainage system according to claim 6, which is characterized in that the quantity of the first start and stop valve is two
A, two the first start and stop valves are arranged at intervals on described first total pipeline section.
8. water seal for coal gas drainage system according to claim 1, which is characterized in that the low level overflow pipe includes first low
Position pipe and the second low level pipe, the high position overflow pipe include the first high-order pipe and the second high-order pipe；
One end of the first low level pipe is connected to the main sewer, and along horizontal extension, the first low level pipe is lower than institute
State water sealing (sealing water) pipe；
The second start and stop valve is set on the first low level pipe；
One end of the second low level pipe is connected to the other end of the first low level pipe, and extends downwardly；
One end of described first high-order pipe is connected to the main sewer, and along horizontal extension, the described first high-order pipe is higher than institute
State water sealing (sealing water) pipe；
One end of described second high-order pipe is connected to the other end of the described first high-order pipe, and extends downwardly.
9. water seal for coal gas drainage system according to claim 1, which is characterized in that be additionally provided on the low level overflow pipe
Blind plate, the blind plate is for being turned on or off the low level overflow pipe.
10. a kind of gas safety system, which is characterized in that including the water seal for coal gas as described in any one of claim 1-9
Drainage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257990.5U CN209655045U (en) | 2019-02-28 | 2019-02-28 | Water seal for coal gas drainage system and gas safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257990.5U CN209655045U (en) | 2019-02-28 | 2019-02-28 | Water seal for coal gas drainage system and gas safety system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209655045U true CN209655045U (en) | 2019-11-19 |
Family
ID=68525497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920257990.5U Active CN209655045U (en) | 2019-02-28 | 2019-02-28 | Water seal for coal gas drainage system and gas safety system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209655045U (en) |
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2019
- 2019-02-28 CN CN201920257990.5U patent/CN209655045U/en active Active
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