CN206279554U - Natural gas cabin of utility tunnel - Google Patents
Natural gas cabin of utility tunnel Download PDFInfo
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- CN206279554U CN206279554U CN201621312662.3U CN201621312662U CN206279554U CN 206279554 U CN206279554 U CN 206279554U CN 201621312662 U CN201621312662 U CN 201621312662U CN 206279554 U CN206279554 U CN 206279554U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 239000003345 natural gas Substances 0.000 title claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 239000010865 sewage Substances 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims description 72
- 230000003020 moisturizing effect Effects 0.000 claims description 61
- 238000005086 pumping Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 241000282326 Felis catus Species 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 231100000572 poisoning Toxicity 0.000 abstract description 2
- 230000000607 poisoning effect Effects 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000035987 intoxication Effects 0.000 description 2
- 231100000566 intoxication Toxicity 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The utility model provides a utility tunnel's natural gas cabin, this utility tunnel's natural gas cabin at first, increases the sump pit degree of depth, sets up the water seal in the sump pit, and the natural gas leaks to explosion and personnel poisoning accident in the air when preventing that natural gas line from leaking. Secondly, set up liquid level monitoring device in the sump pit and with liquid level signal teletransmission to control room, control room operating personnel can open and close in order in time to discharge ponding according to teletransmission signal control water pump, simultaneously, can in time overhaul the maintenance according to alarm signal. In addition, a water replenishing pipeline is arranged to replenish water to the water collecting pit, and an electric valve is arranged on the water replenishing pipeline, so that the electric valve can be remotely controlled to be opened and closed in the control room according to the liquid level monitoring signal, water is replenished to the water collecting pit, and the liquid level of the water seal is ensured. Meanwhile, an explosion-proof submersible sewage pump is adopted, so that the dangerous accidents caused by the damage of cables or the generation of sparks due to the electric leakage of the water pump are prevented.
Description
Technical field
The utility model is related to a kind of natural gas cabin of pipe gallery.
Background technology
Pipe gallery is to be built in Urban Underground for accommodating the structures of two classes and above municipal engineering pipeline and attached setting
Apply.A tunnel space is built in Urban Underground, by electric power, communication, the various utilities pipelines such as natural gas, heat supply, plumbing
It is integrated in one, is provided with special access hole, hoisting port and monitoring system, is important infrastructure and the " life for ensureing city operations
Life line ".The construction of pipe gallery can effectively eliminate city " slide fastener road ", ensure that road traffic is unobstructed, while ensureing underground utilities
Safe operation.
Firmly build portion and the pipe gallery construction teleconference of propulsion Urban Underground is held on June 17th, 2016, again by force
Adjust：The requirement that pipeline all enters corridor is firmly implemented, specifying all pipelines must all enter corridor including natural gas, sewage.Naturally
Gas belongs to inflammable, explosive, easy flowing and easily diffusion gas, once in leaking to air, natural gas forms explosive mixed with air
Easily there is blast and the danger of fire in compound, heat fire or naked light, if the natural gas of leakage is sucked in human body by substantial amounts of,
Even can make one to be poisoned to death.
《City integrated piping lane engineering legislation》(GB50838-2015) regulation pipe gallery planted agent sets automatic row in
Water system, mainly considers to meet structural percolating water, the requirement of tubular service unwatering of discharge pipe gallery, and natural gas cabin must
Independent catch pit must be set.
In the prior art, 1 meter × 1 meter × 1 meter catch pit collection structure of (long × wide × deep) is set in natural gas cabin
Infiltration, pipeline emptying and the sewage such as floor cleaning, set common submersible sewage pump in catch pit, submersible sewage pump can manual start and stop, by latent
Sewage in natural gas cabin is drained into outdoor rain inspection shaft or rain perforaled strainer by dirty pump drainage.
The shortcoming of existing catch pit is：
1st, catch pit sewage is directly discharged into outdoor rain inspection shaft or rain perforaled strainer by submersible sewage pump drainage pipeline, if day
There is natural gas leaking in right gas cabin, in the state of drying up under peacetime state, drainage pipeline is directly and atmosphere for catch pit.
Natural gas will be directly entered outdoor sewage inspection shaft or rain perforaled strainer along drainage pipeline, and rainwater inspection well or rain perforaled strainer are in non-rain
Season often in withered state, so as in causing natural gas leaking to air.And city gas belong to inflammable, explosive, Yi Liu
Dynamic and easy diffusion gas, once in leaking to air, natural gas forms explosive mixture with air, and heat fire or naked light are easily
There is blast and the danger of fire, if the natural gas of leakage is sucked in human body by substantial amounts of, or even can make one to be poisoned to death.
When the 2nd, having a small amount of sewage in catch pit but being not reaching to open the liquid level of immersible pump.Submersible sewage pump exposure in natural gas cabin
In atmosphere, natural gas can be entered in drainage pipeline by water pump itself, in leaking to air by drainage pipeline, trigger danger
Dangerous accident.
3rd, submersible sewage pump on-site manual is opened and closed, it is impossible to discharge catch pit internal water accumulation in time.
4th, sumping use common submersible sewage pump, if cable failure or water pump electric leakage be likely to produce spark and
Cause peril.
Utility model content
In order to solve the problems, such as that existing natural gas cabin is susceptible to natural gas leaking, meanwhile, can discharge in time natural
Gas cabin internal water accumulation, the utility model provides a kind of natural gas cabin of pipe gallery, and the natural gas cabin of the pipe gallery is catchmented
Moisturizing pipeline and water seal water level are set in hole, manually-operated gate and electrically operated valve are set on the moisturizing pipeline.When water level in catch pit
During less than water seal water level, liquid level signal teletransmission to control room, the remote controlled unlatching electrically operated valve of control room is mended to catch pit
Water.When liquid level reaches setting liquid level, control room remotely closes moisturizing electrically operated valve, stops moisturizing.Manually-operated gate is used for maintenance, is put down
When be in normally open, when submersible sewage pump, pipeline or electrically operated valve etc. need repair and maintenance, close manually-operated gate, prevent water from falling
Leaked into air by pipeline when filling to natural gas cabin and natural gas leaking.Meanwhile, Liquid level dress is set in catch pit
Put, and by liquid level signal teletransmission to control room, control room operating personnel can control the unlatching of submersible sewage pump, close according to liquid level signal
Close and can in time be patrolled and examined and be safeguarded according to alarm signal.
The utility model solves the technical scheme that its technical problem used：A kind of natural gas cabin of pipe gallery, bag
Natural gas line cabin and catch pit are included, catch pit is located at the lower section in natural gas line cabin, connects in catch pit and natural gas line cabin
It is logical, submersible sewage pump and water seal are provided with catch pit, submersible sewage pump is arranged in water seal, and the natural gas cabin of the pipe gallery also includes being used for
To the moisturizing pipeline of water seal water replenishing.
The length of catch pit is 1m, and the width of catch pit is 1m, and the depth of catch pit is 1.5m~2.0m, and submersible sewage pump is set
In the bottom of catch pit.
Moisturizing pipeline is provided with electrically operated valve, and the natural gas cabin of the pipe gallery also includes water seal fluid level control device, should
Water seal fluid level control device includes control unit and the multiple level sensors being arranged in catch pit, the plurality of level sensor
Including turn on pump level detection sensor and termination of pumping moisturizing level detection sensor, turn on pump level detection sensor is located at termination of pumping moisturizing
The top of level detection sensor, termination of pumping moisturizing level detection sensor is located at the top of submersible sewage pump, turn on pump water level detecting sensing
Device, termination of pumping moisturizing level detection sensor, the electrically operated valve and submersible sewage pump are connected with the control unit, when the inspection of turn on pump water level
When the upper surface that survey sensor detects water seal is higher than turn on pump level detection sensor, the control unit can control submersible sewage pump to open
It is dynamic；When the upper surface that termination of pumping moisturizing level detection sensor detects water seal is less than termination of pumping moisturizing level detection sensor, should
Control unit can control submersible sewage pump to stop and open the electrically operated valve.
The distance between bottom absolute altitude is 300mm, termination of pumping in the piping lane in turn on pump level detection sensor and natural gas line cabin
The distance between bottom absolute altitude is 800mm in the piping lane in moisturizing level detection sensor and natural gas line cabin.
The plurality of level sensor also includes high liquid level warning sensor and low liquid level warning sensor, and high liquid level warning is passed
Sensor and low liquid level warning sensor are connected with the control unit, and high liquid level warning sensor is sensed positioned at turn on pump water level detecting
The top of device, low liquid level warning sensor is located at the lower section of termination of pumping moisturizing level detection sensor, when high liquid level warning sensor
When the upper surface for detecting water seal is higher than high liquid level warning sensor, the control unit can send high liquid level warning signal；When
When the upper surface that low liquid level warning sensor detects water seal is less than low liquid level warning sensor, the control unit can send low
Liquid level warning signal.
The distance between bottom absolute altitude is 100mm, low liquid level in the piping lane in high liquid level warning sensor and natural gas line cabin
The distance between bottom absolute altitude is 600mm in the piping lane in alarm sensor and natural gas line cabin.
The plurality of level sensor also includes closing water compensating valve detection sensor, closes water compensating valve detection sensor and the control list
Unit's connection, closes water compensating valve detection sensor and is located between low liquid level warning sensor and turn on pump level detection sensor, is mended when closing
When water valve detection sensor detects the upper surface of water seal higher than water compensating valve detection sensor is closed, the control unit can close this
Electrically operated valve.
It is 500mm to close the distance between bottom absolute altitude in the piping lane in water compensating valve detection sensor and natural gas line cabin.
The outlet of moisturizing pipeline is additionally provided with manually positioned at the lower section of termination of pumping moisturizing level detection sensor on moisturizing pipeline
Valve, the hand-operated valve is connected with the electrically operated valve.
The upper end of catch pit is provided with steel grating plate, and submersible sewage pump is explosion-proof submersible sewage pump, and submersible sewage pump is connected with blowdown pipeline, catchments
The side wall in hole is provided with cat ladder, and the piping lane lower surface in natural gas line cabin is provided with gutter, and gutter is along natural gas line
Cabin it is longitudinally disposed, the gradient is connected with the natural gas cabin gradient, gutter with catch pit.
The beneficial effects of the utility model are：
1st, the utility model sets water seal water level by increasing catch pit depth in catch pit, can both ensure to catchment
Hole accommodates the ability of ponding, can prevent natural gas from entering outside catch-basin or rain perforaled strainer again, so diffuse in air with
Air forms explosive mixture, and heat fire or naked light occur blast and the danger of fire and personnel's poisoning casualty accident.
The 2nd, fluid level control device is set in catch pit and by signal teletransmission to control room, it is ensured that water pump open in time and
Close, rapid to discharge catch pit internal water accumulation and prevent the too low damage submersible sewage pump of liquid level, alarm signal remote control can be sent out in time
Show and mediate failure.
The 3rd, moisturizing pipeline is set and electrically operated valve and manually-operated gate are set on moisturizing pipeline.Electrically operated valve can basis
Liquid level is automatically turned on or closed, and to ensure water seal liquid level, prevents natural gas leaking.Moisturizing pipeline left-hand seat movable valve can be in maintenance
Closed when safeguarding, can prevent that water from pouring in down a chimney and natural gas leaks, prevent from triggering peril.
4th, sumping uses explosion-proof submersible sewage pump, it is to avoid cause danger because cable failure or water pump electric leakage produce spark
Dangerous accident.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing being further understood to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is the plan-position layout drawing in the natural gas cabin of the pipe gallery.
Fig. 2 is A direction schematic diagrams in Fig. 1.
Fig. 3 is the perspective view of catch pit.
10th, natural gas line cabin；20th, catch pit；30th, water power cabin；40th, bilge tank；50th, rainwater cabin；60th, catch-basin；
11st, bottom absolute altitude in piping lane；12nd, steel grating plate；13rd, gutter；
21st, submersible sewage pump；22nd, water seal；23rd, moisturizing pipeline；24th, turn on pump level detection sensor；25th, termination of pumping moisturizing water level inspection
Survey sensor；26th, high liquid level warning sensor；27th, low liquid level warning sensor；28th, water compensating valve detection sensor is closed；29th, climb
Ladder；210th, blowdown pipeline.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of natural gas cabin of pipe gallery, including natural gas line cabin 10 and catch pit 20, catch pit 20 are located at natural
The lower section in feed channel cabin 10, catch pit 20 is connected with natural gas line cabin 10, and submersible sewage pump 21 and water seal are provided with catch pit 20
22, submersible sewage pump 21 is arranged in water seal 22, and the natural gas cabin of the pipe gallery is also included for the filling pipe to the moisturizing of water seal 22
Road 23, as shown in Figure 1 to Figure 3.
Water seal 22 is set in catch pit 20, and the water level of this water seal 22 can determine according to the model of submersible sewage pump 21, to flood
Submersible sewage pump 21 is advisable, i.e. upper end of the upper surface of water seal 22 higher than submersible sewage pump 21.Once there is natural gas leaking in natural gas cabin,
Water seal 22 can ensure that natural gas can not drain into outside catch-basin or rain perforaled strainer by the drainage pipeline of submersible sewage pump 21.
In the present embodiment, the length of catch pit 20 is 1m, and the width of catch pit 20 is 1m, and the depth of catch pit 20 is
1.5m~2.0m, the preferably depth of catch pit 20 are 1.8m, and submersible sewage pump 21 is arranged at the bottom of catch pit 20.Natural gas sets in cabin
The catch pit 20 is put, the sewage of the generations such as structure infiltration, pipeline unwatering and floor cleaning can be made to drain into catch pit in time, no
Produce excess surface water.Deepen catch pit 20 and water seal water level be simultaneously set in the catch pit 20, be due to natural gas itself have it is inflammable
Explosive particularity, it is fiery or bright into heat in extraneous air by drainage system when water seal can prevent natural gas from leaking
There is blast and the danger of fire and personnel's intoxication accident in fire.
In the present embodiment, moisturizing pipeline 23 is provided with electrically operated valve, and the natural gas cabin of the pipe gallery also includes water seal
Fluid level control device, the water seal fluid level control device includes control unit and the multiple level sensors being arranged in catch pit 20
Device, the control unit is arranged in remote control room, and the plurality of level sensor includes turn on pump level detection sensor 24 and stops
Pump moisturizing level detection sensor 25, turn on pump level detection sensor 24 is located at the upper of termination of pumping moisturizing level detection sensor 25
Side, termination of pumping moisturizing level detection sensor 25 is located at the top of submersible sewage pump 21, turn on pump level detection sensor 24, termination of pumping moisturizing water
Level detection sensor 25, the electrically operated valve and submersible sewage pump 21 are connected with the control unit, and control mode can be manually
Operation can also control unit automatically control, the implementation for automatically controlling is described below：When the water level of water seal 22 rises, turn on pump
When the upper surface that level detection sensor 24 detects water seal 22 is higher than turn on pump level detection sensor 24, turn on pump water level detecting is passed
Sensor 24 sends signal to the control unit, the control unit can control submersible sewage pump 21 start draining, submersible sewage pump 21 start by
Water seal 22 is discharged；When being risen under the water level of water seal 22, the upper surface that termination of pumping moisturizing level detection sensor 25 detects water seal 22 is low
When termination of pumping moisturizing level detection sensor 25, termination of pumping moisturizing level detection sensor 25 sends signal to the control unit, should
Submersible sewage pump 21 can be controlled to be stopped for control unit and opening the electrically operated valve (makes moisturizing pipeline 23 be mended to catch pit 20
Water, to lift the water level of water seal 22).Specifically, turn on pump level detection sensor 24 and bottom in the piping lane in natural gas line cabin 10
The distance between absolute altitude 11 is that 300mm, i.e. turn on pump level detection sensor 24 are located at the lower section 300mm of bottom absolute altitude 11 in piping lane, is stopped
The distance between bottom absolute altitude 11 is 800mm, termination of pumping in the piping lane in pump moisturizing level detection sensor 25 and natural gas line cabin 10
Moisturizing level detection sensor 25 is located at the lower section 800mm of bottom absolute altitude 11 in piping lane.
In the present embodiment, the plurality of level sensor also includes that high liquid level warning sensor 26 and low liquid level warning are sensed
Device 27, high liquid level warning sensor 26 and low liquid level warning sensor 27 are connected with the control unit, high liquid level warning sensing
Device 26 is located at the top of turn on pump level detection sensor 24, and low liquid level warning sensor 27 is sensed positioned at termination of pumping moisturizing water level detecting
The lower section of device 25, when the upper surface that high liquid level warning sensor 26 detects water seal 22 is higher than high liquid level warning sensor 26,
High liquid level warning sensor 26 sends alarm signal to the control unit, so that the control unit sends high liquid level warning letter
Number, to point out the operating personnel in remote control room to note；When low liquid level warning sensor 27 detects the upper surface of water seal 22
During less than low liquid level warning sensor 27, low liquid level warning sensor 27 sends alarm signal to the control unit, so that should
Control unit sends low liquid level warning signal, to point out the operating personnel in remote control room to note.Specifically, high liquid level warning
The distance between bottom absolute altitude 11 is 100mm, i.e. high liquid level warning sensor in the piping lane in sensor 26 and natural gas line cabin 10
26 are located at the lower section 100mm of bottom absolute altitude 11 in piping lane, low liquid level warning sensor 27 and bottom mark in the piping lane in natural gas line cabin 10
High the distance between 11 is that 600mm, i.e. low liquid level warning sensor 27 are located at the lower section 600mm of bottom absolute altitude 11 in piping lane.
In the present embodiment, the plurality of level sensor also includes closing water compensating valve detection sensor 28, closes water compensating valve detection
Sensor 28 is connected with the control unit, closes water compensating valve detection sensor 28 and is located at low liquid level warning sensor 27 and turn on pump water level
Between detection sensor 24, the upper surface of water seal 22 is detected higher than pass water compensating valve detection biography when water compensating valve detection sensor 28 is closed
During sensor 28, close water compensating valve detection sensor 28 and send signal to the control unit, the control unit can close moisturizing pipeline
23 electrically operated valve.Specifically, closing water compensating valve detection sensor 28 with bottom absolute altitude 11 in the piping lane in natural gas line cabin 10
The distance between be 500mm, that is, close water compensating valve detection sensor 28 and be located at the lower section 500mm of bottom absolute altitude 11 in piping lane.
Manually during control, the operating personnel in remote control room control unlatching and the pass of submersible sewage pump 21 according to remote transfer signal
Close, the opening and closing of the electrically operated valve of moisturizing pipeline 23.Meanwhile, operating personnel can in time have found according to teletransmission alarm signal
And mediate failure.Concretely comprise the following steps：When liquid level is higher than bottom -100mm in piping lane, high liquid level warning signal enabling；When liquid level is high
When bottom -300mm in piping lane, submersible sewage pump starts；When liquid level is for bottom -500mm in piping lane, water supply valve is closed；When liquid level is low
When bottom -600mm in piping lane, low liquid level warning signal enabling；When liquid level is less than bottom -800mm in piping lane, submersible sewage pump is closed simultaneously
Open moisturizing electrically operated valve.By above-mentioned automatic control mode, the water seal fluid level control device can be by the water in catch pit 20
Envelope water lev el control is in turn on pump level detection sensor 24 and between closing water compensating valve detection sensor 28.
In the present embodiment, manually-operated gate is additionally provided with moisturizing pipeline 23, the manually-operated gate is connected with the electrically operated valve.Mend
The outlet of waterpipe 23 positioned at the lower section of termination of pumping moisturizing level detection sensor 25 so that the outlet of moisturizing pipeline 23 position all the time
Below water seal water level.The manually-operated gate is Hand-operated butterfly valve, the Hand-operated butterfly valve that uses and can be according to liquid when maintenance is set on pipeline
The electrically operated valve of position signal automatic open close.When water level is less than water seal water level because of reasons such as consumption in catch pit, liquid in catch pit
Water level signal is reached control room by level control device, and control room starts motor-driven valve moisturizing on moisturizing pipeline, until water level reaches setting
Determine liquid level.Manually-operated gate is maintenance valve, usually in normally open, when submersible sewage pump, pipeline or electrically operated valve repair and maintenance
When, manually-operated gate is closed, leaked with preventing water from pouring in down a chimney to natural gas cabin and natural gas.
In the present embodiment, the upper end of catch pit 20 is provided with steel grating plate 12, and submersible sewage pump 21 is explosion-proof submersible sewage pump, submersible sewage pump
21 are connected with blowdown pipeline 22, and the sewage in catch pit 20 can be expelled to catch-basin 60 by submersible sewage pump 21 by blowdown pipeline 22
It is interior, as shown in Figure 2.The side wall of catch pit 20 is provided with cat ladder 29, and the piping lane lower surface in natural gas line cabin 10 is provided with draining side
Ditch 13, gutter 13 is longitudinally disposed along natural gas line cabin 10, the gradient and the natural gas line cabin 10 of gutter 13
The gradient is identical, and gutter 13 is connected with catch pit 20.
Original common electric machine is changed to fire-proof motor, outgoing cable pump by explosion-proof submersible sewage pump on the basis of proof submersible sand discharging pump
An explosion-proof head is added on body and fire and explosion accident has occurred to avoid pump housing motor and circuit from producing spark.It is explosion-proof submerged
The cable of pump also uses explosion-proof submerged cable on the basis of the common submersible cable that common immersible pump is used, and reaches explosion-proof mark
It is accurate.Cause peril using the generation spark when cable failure or water pump are leaked electricity can be prevented effectively from natural gas cabin.
The natural gas cabin of the pipe gallery first, increases catch pit depth, and water seal is set in catch pit, prevents natural gas
Leak into air and blast and personnel's intoxication accident occur.Secondly, level monitoring device is set in catch pit and by liquid level signal
To control room, control room operating personnel can control water pump to open and close to discharge ponding in time according to remote transfer signal for teletransmission, meanwhile, can root
Repair and maintenance is carried out in time according to alarm signal.In addition, there is provided moisturizing pipeline is to catch pit moisturizing, and set on moisturizing pipeline
Electrically operated valve is put, can be opened and closed according to level monitoring signal remote control electrically operated valve in control room, give catch pit moisturizing, it is ensured that
Water seal liquid level.Meanwhile, using explosion-proof submersible sewage pump, prevent cable failure or water pump electric leakage from producing spark and causing peril.
The pipe gallery also contains water power cabin 30, bilge tank 40, rainwater cabin 50 and catch-basin 60, and whole system is by one
The safeguard procedures of row, can effectively prevent natural gas from leaking and cause on the premise of discharge natural gas cabin internal water accumulation in time is ensured
It is dangerous.
The above, only specific embodiment of the utility model, it is impossible to which the scope that utility model is implemented, institute are limited with it
With the displacement of its equivalent assemblies, or the equivalent variations made according to the utility model scope of patent protection and modification, should all still fall within
The category that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical scheme
Between, can be used with independent assortment between technical scheme and technical scheme.
Claims (10)
1. the natural gas cabin of a kind of pipe gallery, it is characterised in that the natural gas cabin of the pipe gallery includes natural gas line cabin
(10) and catch pit (20), catch pit (20) is positioned at the lower section of natural gas line cabin (10), catch pit (20) and natural gas line
Submersible sewage pump (21) and water seal (22) are provided with cabin (10) in connection, catch pit (20), submersible sewage pump (21) is arranged in water seal (22),
The natural gas cabin of the pipe gallery is also included for the moisturizing pipeline (23) to water seal (22) moisturizing.
2. the natural gas cabin of pipe gallery according to claim 1, it is characterised in that the length of catch pit (20) is 1m,
The width of catch pit (20) is 1m, and the depth of catch pit (20) is 1.5m~2.0m, and submersible sewage pump (21) is arranged at catch pit (20)
Bottom.
3. the natural gas cabin of pipe gallery according to claim 1, it is characterised in that moisturizing pipeline (23) is provided with electronic
Valve, the natural gas cabin of the pipe gallery also includes water seal fluid level control device, and the water seal fluid level control device includes that control is single
Unit and the multiple level sensors being arranged in catch pit (20), the plurality of level sensor include turn on pump level detection sensor
(24) and termination of pumping moisturizing level detection sensor (25), turn on pump level detection sensor (24) is passed positioned at termination of pumping moisturizing water level detecting
The top of sensor (25), termination of pumping moisturizing level detection sensor (25) is passed positioned at the top of submersible sewage pump (21), turn on pump water level detecting
Sensor (24), termination of pumping moisturizing level detection sensor (25), the electrically operated valve and submersible sewage pump (21) connect with the control unit
Connect, when the upper surface that turn on pump level detection sensor (24) detects water seal (22) is higher than turn on pump level detection sensor (24)
When, the control unit can control submersible sewage pump (21) to start；When termination of pumping moisturizing level detection sensor (25) detects water seal
(22) when upper surface is less than termination of pumping moisturizing level detection sensor (25), the control unit can control submersible sewage pump (21) to stop
And open the electrically operated valve.
4. the natural gas cabin of pipe gallery according to claim 3, it is characterised in that turn on pump level detection sensor (24)
It is 300mm, termination of pumping moisturizing level detection sensor with the distance between bottom absolute altitude (11) in the piping lane of natural gas line cabin (10)
(25) and in the piping lane in natural gas line cabin (10) the distance between bottom absolute altitude (11) is 800mm.
5. the natural gas cabin of pipe gallery according to claim 3, it is characterised in that the plurality of level sensor also includes
High liquid level warning sensor (26) and low liquid level warning sensor (27), high liquid level warning sensor (26) and low liquid level warning are passed
Sensor (27) is connected with the control unit, and high liquid level warning sensor (26) is upper positioned at turn on pump level detection sensor (24)
Side, low liquid level warning sensor (27) positioned at the lower section of termination of pumping moisturizing level detection sensor (25), when high liquid level warning sensing
When the upper surface that device (26) detects water seal (22) is higher than high liquid level warning sensor (26), the control unit can send liquid high
Position alarm signal；When the upper surface that low liquid level warning sensor (27) detects water seal (22) is less than low liquid level warning sensor
(27) when, the control unit can send low liquid level warning signal.
6. the natural gas cabin of pipe gallery according to claim 5, it is characterised in that high liquid level warning sensor (26) with
The distance between bottom absolute altitude (11) is 100mm, low liquid level warning sensor (27) and day in the piping lane in natural gas line cabin (10)
The distance between bottom absolute altitude (11) is 600mm in the piping lane in right feed channel cabin (10).
7. the natural gas cabin of pipe gallery according to claim 5, it is characterised in that the plurality of level sensor also includes
Water compensating valve detection sensor (28) is closed, water compensating valve detection sensor (28) is closed and is connected with the control unit, closed water compensating valve detection and pass
Sensor (28) is passed between low liquid level warning sensor (27) and turn on pump level detection sensor (24) when water compensating valve detection is closed
When sensor (28) detects the upper surface of water seal (22) higher than water compensating valve detection sensor (28) are closed, the control unit can be closed
The electrically operated valve.
8. the natural gas cabin of pipe gallery according to claim 7, it is characterised in that close water compensating valve detection sensor (28)
It is 500mm with the distance between bottom absolute altitude (11) in the piping lane of natural gas line cabin (10).
9. the natural gas cabin of pipe gallery according to claim 3, it is characterised in that the outlet of moisturizing pipeline (23) is located at
The lower section of termination of pumping moisturizing level detection sensor (25), moisturizing pipeline is additionally provided with manually-operated gate on (23), the manually-operated gate with
The electrically operated valve is connected.
10. the natural gas cabin of pipe gallery according to claim 1, it is characterised in that the upper end of catch pit (20) is provided with
Steel grating plate (12), submersible sewage pump (21) is explosion-proof submersible sewage pump, and submersible sewage pump (21) is connected with blowdown pipeline (210), catch pit (20)
Side wall be provided with cat ladder (29), the piping lane lower surface of natural gas line cabin (10) is provided with gutter (13), gutter
(13) along the longitudinally disposed of natural gas line cabin (10), gutter (13) is connected with catch pit (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312662.3U CN206279554U (en) | 2016-12-02 | 2016-12-02 | Natural gas cabin of utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312662.3U CN206279554U (en) | 2016-12-02 | 2016-12-02 | Natural gas cabin of utility tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206279554U true CN206279554U (en) | 2017-06-27 |
Family
ID=59075938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621312662.3U Withdrawn - After Issue CN206279554U (en) | 2016-12-02 | 2016-12-02 | Natural gas cabin of utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206279554U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400839A (en) * | 2016-12-02 | 2017-02-15 | 中冶京诚工程技术有限公司 | Natural gas cabin of utility tunnel |
| CN107905262A (en) * | 2017-12-14 | 2018-04-13 | 北京京诚泽宇能源环保工程技术有限公司 | Drainage system of utility tunnel |
| CN108360562A (en) * | 2018-03-05 | 2018-08-03 | 中冶东方工程技术有限公司 | Pipe gallery |
| CN108505540A (en) * | 2018-02-23 | 2018-09-07 | 上海燃气工程设计研究有限公司 | A kind of special buried valve well of piping lane |
-
2016
- 2016-12-02 CN CN201621312662.3U patent/CN206279554U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400839A (en) * | 2016-12-02 | 2017-02-15 | 中冶京诚工程技术有限公司 | Natural gas cabin of utility tunnel |
| CN107905262A (en) * | 2017-12-14 | 2018-04-13 | 北京京诚泽宇能源环保工程技术有限公司 | Drainage system of utility tunnel |
| CN107905262B (en) * | 2017-12-14 | 2023-11-17 | 北京京诚泽宇能源环保工程技术有限公司 | Drainage system of utility tunnel |
| CN108505540A (en) * | 2018-02-23 | 2018-09-07 | 上海燃气工程设计研究有限公司 | A kind of special buried valve well of piping lane |
| CN108360562A (en) * | 2018-03-05 | 2018-08-03 | 中冶东方工程技术有限公司 | Pipe gallery |
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Granted publication date: 20170627 Effective date of abandoning: 20181016 |
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| AV01 | Patent right actively abandoned |