CN204647860U - Underground pressure-regulating box - Google Patents
Underground pressure-regulating box Download PDFInfo
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- CN204647860U CN204647860U CN201520212029.6U CN201520212029U CN204647860U CN 204647860 U CN204647860 U CN 204647860U CN 201520212029 U CN201520212029 U CN 201520212029U CN 204647860 U CN204647860 U CN 204647860U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 230000006837 decompression Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 239000000567 combustion gas Substances 0.000 description 6
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
A kind of Underground pressure-regulating box, comprise and be placed in underground casing and blow-down pipe, casing is connected to form by upper box and cylindrical shell, and cylindrical shell both sides are connected with input, export pipeline and entrance, outlet valve.Be divided into inlet and room of outlet in described cylindrical shell, in inlet, filter core be installed, after the barretter in filter core inner space, entrance seat, work pressure governor, monitoring pressure governor, outlet port series connection, pass through cylinder body bottom.Described upper box is connected on cylindrical shell, upper box top is connected with openable upper cover, upper box top is fixed with window, the connecting plate of upper box bottom is provided with inlet pressure table, delivery gauge, cut-off valve, entrance Decompression valves, outlet pressure relief valve, work afflux block, control and command device, work pilot valve, monitoring afflux block and diffusion valve, upper box sidewall is provided with one-way valve and is connected with blow-down pipe.This device is a constituent element of gas transmission and distribution system, compact structure, use safety, reliable.
Description
Technical field:
The utility model belongs to a kind of gas transmission and distribution equipment, particularly a kind of Underground pressure-regulating box, and this device is arranged on underground, can realize gas pressure regulating and voltage stabilizing, parameter display and excess pressure cutout.
Background technique:
Domestic conventional gas pressure-regulating box major part is arrange on the ground, and valve, filter, pressure governor etc. are connected in turn by pipeline by box house.There is following defect in this Rose Box: 1, takes up room large, safeguards complicated.2, part box house ground is moist, ventilation is smooth, and device therefor very easily corrodes, and there is potential safety hazard.3, most batch meter is arranged in road side, easily blocks sight line, and the uncivil behavior of some passerbys makes tank surface cut obviously have spot in addition, affects attractive in appearance.4, there is the risk being caused gas leakage by Vehicular impact.5, casing is easy to be opened, and there is the risk of be illegally modified parameter and cut-out gas supply.
Summary of the invention:
The purpose of this utility model is just to overcome above-mentioned the deficiencies in the prior art, provides a kind of Underground pressure-regulating box, and this device is a constituent element of gas transmission and distribution system, compact structure, use safety, reliable.
As above conceive, the technical solution of the utility model is as follows:
A kind of Underground pressure-regulating box, comprise and be placed in underground casing, box cover and blow-down pipe, casing is connected to form by upper box and cylindrical shell, and cylindrical shell both sides are connected with input, export pipeline and entrance, outlet valve; It is characterized in that: be divided into inlet and room of outlet in described cylindrical shell, in inlet, filter core be installed, after the barretter in filter core inner space, entrance seat, work pressure governor, monitoring pressure governor, outlet port series connection, be fixed on cylinder body bottom; Described monitoring pressure governor outlet is equipped with diffuser; Described upper box is connected on cylindrical shell, upper box top is connected with openable upper cover, upper box top is fixed with window, the connecting plate of upper box bottom is provided with inlet pressure table, delivery gauge, cut-off valve, entrance Decompression valves, outlet pressure relief valve, work afflux block, control and command device, work pilot valve, monitoring afflux block and diffusion valve, upper box sidewall is provided with one-way valve and is connected with blow-down pipe; Described inlet pressure table and delivery gauge correspond to inlet and the room of outlet of cylindrical shell; Described entrance Decompression valves and outlet pressure relief valve also correspond to inlet and the room of outlet of cylindrical shell; The suction port of described diffusion valve corresponds to the room of outlet of cylindrical shell; Described work afflux block and monitoring afflux block are made up of box body, filter screen, adjustable restrictive valve and pipeline, filter screen is placed in box body and one end connection suction port, the other end is connected with the input end of adjustable restrictive valve, and the output terminal of adjustable restrictive valve divides two-way to connect pressure governor pilot pressure connecting port and pilot valve connecting port respectively; Described work afflux block, work pilot valve are connected with a set of signal tube with work pressure governor, and monitoring afflux block, monitoring pressure governor are connected with another set of signal tube with control and command device.
By-pass pipeline and by-pass valve is connected with between above-mentioned input, export pipeline.
The gateway of differential manometer is connected between both sides inside and outside above-mentioned filter core.
By channel plate, barrel space is divided into inlet and room of outlet in above-mentioned cylindrical shell, this channel plate is formed by two pieces of orthogonal Plate Weldings.
Spring and spring holder are equipped with in above-mentioned screw rod top.
Above-mentioned diffuser adopts the hollow columnar diffuser in mesh type.
Work pressure governor in above-mentioned cylindrical shell and monitoring pressure governor can adopt axial flow pressure regulator, formula pressure governor of namely meandering.
Stamping Steel Ribbon is equipped with at above-mentioned openable upper cover surrounding and upper box upper contact place, and upper cover is fixed by nonstandard bolt upper box.
Above-mentioned window is the toughened glass with two frameworks, is bolted on upper box.
Above-mentioned blow-down pipe is provided with integrated electronic instrument box.
The utility model has following advantage and good effect:
1, the utility model entirety is placed in underground, and only upper cover is a little above ground level, therefore without the need to building the larger civil engineering amount needed for traditional pressure-regulating box, saves floor space, and avoids and such as block the shortcomings such as sight line, eliminates by the risk of Vehicular impact.
2, the utility model is by integration of equipments such as pilot valve, cut-off valve, filter, pressure governor, pipelines to together, and compact structure, volume is little, achieves effective utilization in space.
3, the utility model entirety makes lid-opening type casing, and casing adopts Plate Steel to be welded, and airtight place adopts seal with elastometic washer, can load-bearing, explosion-proof, waterproof, anti-leak.
4, the utility model can be provided with transparent window under upper-opening upper cover, open upper cover and just conveniently can observe every meter reading and equipment working condition, be beneficial to and patrol and examine, and adopt seal with elastometic washer between transparent window and casing, ensure that waterproof and dustproof, anti-leak.
5, the utility model is the gas leakage that reply equipment failure and Rig up error cause, and at casing other arrangement blow-down pipe, is connected with the one-way valve be arranged on upper box sidewall by metallic hose.This blow-down pipe height about four meters, dilution of can effectively leakage combustion gas being discharged into the atmosphere.
6, the utility model openable upper cover needs to use nonstandard wrench operated, adds the difficulty of illegally uncapping, and also just ensure that pilot valve is not illegally modified parameter and cut off gas supply simultaneously.
7, the utility model adopts modular design, and internal unit can overallly propose, and maintains easily and changes parts.
8, the utility model inside can connecting sensor (or gas being caused external sensor by stainless steel capillary), sensor line is connected to external integrated electronic instrument box, pressure-regulating box upper cover can be opened and just can conveniently check equipment working condition, as temperature, pressure and other parameters; Parameter stored record by parameter teletransmission to operating room, also can be copied to External memory equipment by instrument box.
10, the utility model is connected with by-pass pipeline and by-pass valve between input, export pipeline, can realize breaking down at pressure-regulating box or between turn(a)round, ensureing lasting air feed by opening by-pass valve.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is the stereogram of work afflux block and monitoring afflux block;
Fig. 4 is the sectional drawing of work afflux block and monitoring afflux block;
Fig. 5 is the schematic diagram of integrated electronic instrument box.
In figure, the title of each assembly is:
Embodiment:
As shown in the figure: a kind of Underground pressure-regulating box, comprises and be placed in underground casing, box cover and blow-down pipe, and casing is connected to form by upper box and cylindrical shell, cylindrical shell both sides are connected with input, export pipeline and entrance, outlet valve 46,51.
One, lower box is cylindrical shell 40, is wherein welded with channel plate 4 and base plate 1, and channel plate 4 is that two pieces of orthogonal Plate Weldings form.Cylindrical shell 40 be divide into inlet and two, room of outlet part by channel plate 4 and base plate 1.Filter core 37 in tubbiness, its upper and lower end face respectively with upper box bottom connecting plate 35 and channel plate bottom close contact.Be connected to by screw rod bolt 9 after barretter in filter core inner space, entrance seat, work pressure governor, monitoring pressure governor, outlet port series connection on the supporting base 6 on channel plate.The position of filter core is determined by supporting base 6 and channel plate 4, ensures that filter core two ends are compressed by supporting base 6 and connecting plate 35, to ensure filtering effect by tolerance.
Differential manometer 49 gateway is connected to both sides inside and outside filter core 37 respectively, can detect the chocking-up degree of filter core 37, optionally timely more renew cartridge.
Work pressure governor 38 and monitoring pressure governor 39 tone of coming in and going out is connected together, and work pressure governor 38 entrance connects with entrance seat 8, and monitoring pressure governor 39 exports and connects with outlet port 7.Once work pressure governor is malfunctioning, monitoring pressure governor starts work automatically.
Screw rod 9 and on nut entrance seat 8, work pressure governor 38, monitoring pressure governor 39, outlet port 7 are connected and fixed.Screw rod 9 top is installed with spring 10 and spring holder 11.Spring holder 11 can be subject to downward pressure after mounting, and spring 10 is compressed, thus compresses entrance seat 8, work pressure governor 38, monitoring pressure governor 39, outlet port 7, ensures location and is connected reliably.
Combustion gas enters the inlet of cylindrical shell 40 through inlet valve 46, enter after filter core 37 filters after barretter 36 adjusts air-flow and enter work pressure governor 38 and monitoring pressure governor 39, again through diffuser 43 voltage stabilizing and the laggard inlet/outlet room of noise reduction, flow out finally by outlet valve 51, this is combustion gas basic trend flow process.
Two, upper box 25 is formed by Plate Welding, sturdy and durable, and spraying paint in outside can anti-corrosion, is connected on cylindrical shell 40 by bolt combination 13 (i.e. bolt, nut, packing ring).
Openable upper cover 22 has gusset to reinforce, and adding can supporting power, closes contacting point and is filled with Stamping Steel Ribbon 23, can realize waterproof anti-leak function with upper box 25.
Upper box top is fixed with window 26 by bolt, can conveniently watch each meter reading and working state, conveniently patrol and examine by window 26.This window is made up of two framework supports and the toughened glass wherein installed, and conveniently mention with handle 24, O type circle 27 is equipped with in framework support bottom, can realize sealing anti-leak, possess the function in waterproof and dustproof, anti-foreign material access arrangement, guarantee equipment normally runs simultaneously.
Upper box 25 sidewall is provided with one-way valve 28, can guarantee in the non-close installation of window 26 and internal unit occur leak time, combustion gas can in time by one-way valve 28 and be connected metallic hose entry altitude about four meters blow-down pipe 45 in, spill in air and go, thus eliminate because internal leakage makes upper cover bear inner gaseous-pressure, the hidden danger that gas injection goes out to cause danger when checking maintenance opens upper cover.Meanwhile, the air adopting one-way valve that the gas flow leaked can be made to go out casing and outside cannot flow into, and avoids the formation of air fuel gas mixed gas, reduces potential explosion risk.
Upper box bottom is provided with connecting plate 35 by bolt combination 14, this connecting plate is provided with inlet pressure table, delivery gauge, cut-off valve, entrance Decompression valves, outlet pressure relief valve, work afflux block, control and command device, work pilot valve, monitoring afflux block and diffusion valve, the one-way valve that upper box sidewall is installed is connected with blow-down pipe.
Described inlet pressure table and delivery gauge correspond to inlet and the room of outlet of cylindrical shell, can indicate outlet and inlet pressure in real time.When outlet pressure is greater than cut-off valve 21 setting pressure, the cut-out valve disc 12 of cut-off valve is under the driving of cut-off valve 21, and valve disc is pressed on barretter 36 upper end-hole, completes cut-out action.When outlet pressure continuation rising is greater than diffusion valve 30 setting value, diffusion valve automatic operation, is discharged gas by blow-down pipe 15.
Described entrance Decompression valves and outlet pressure relief valve also correspond to inlet and the room of outlet of cylindrical shell, and outlet pressure relief valve is arranged on valve seat 32.Combustion gas between entrance Decompression valves 16 emptying inlet valve 46 to pressure governor entrance, outlet pressure relief valve 31 emptying pressure governor is exported to the combustion gas between outlet valve 51.During emptying only at checking maintenance and gateway valve cuts out carry out, scene should be noted that fire prevention is ventilated; In addition, two place's Decompression valvess can also at the scene checking maintenance time external hose to gas manometer, in conjunction with two place's pressure gauges to judge whether pressure gauge exists fault.
The suction port of described diffusion valve 30 corresponds to the room of outlet of cylindrical shell;
Described work afflux block 19 and monitoring afflux block 47 are made up of box body 55, filter screen 56, adjustable restrictive valve 60 and pipeline.Filter screen 56 is placed in box body 55 and one end connects suction port 57, and the other end is connected with the input end of adjustable restrictive valve 60, and the output terminal of adjustable restrictive valve 60 divides two-way to connect pressure governor pilot pressure UNICOM mouth 58 and afflux block and pilot valve UNICOM mouth 59 respectively.Work afflux block 19 is connected with work pilot valve 29 and the pressure governor 38 that works by signal tube; Monitoring afflux block 47 is connected with monitoring pressure governor 39 and the pilot valve 48 that works by signal tube.Gas is filtering through afflux block filtering net 56 before pressure regulation and be respectively pilot valve and pressure governor provides pilot pressure after adjustable restrictive valve 60 current limliting.
Work pressure governor in cylindrical shell and monitoring pressure governor can adopt axial flow pressure regulator, formula pressure governor of namely meandering.
Three, can install integrated electronic instrument box 44 on blow-down pipe 45, this instrument box also can be arranged separately in independently on support.This integrated electronic instrument box has following characteristics:
1, inner integrated electronic instrument is integrated, can connect multiple signals, as signals such as temperature, pressure, flows, can be presented on liquid crystal screen in real time;
2, can the parameter that arrives of setting recording frequency stored record, and store operation note, to the reading of the parameter stored and operation note and setting associated rights can be deleted, conveniently check and guarantee that data are true;
3, be provided with USB interface, movable storage device and computer can be connected, facilitate derived data and amendment systematic parameter;
4, can outer signal line also by external equipment wirelessly teletransmission to monitoring chamber computer, when equipment operation condition occurs extremely and relevant parameter (as temperature, pressure, interior storage capacity etc.) reaches setting value, acoustooptic alarm can be realized in integrated instrument and monitoring chamber computer;
5, every integrated instrument of platform has unique hardware digital signature, and guaranteeing to revise parameter can only by the calculating hands-operation of the professional workforce specified in integrated instrument or connection.
Working procedure of the present utility model is:
Inflammable gas from fecder system network enters underground pressure-regulating box from intake line and inlet valve.Gas enters barretter after filter element filtering, enter work pressure governor and monitoring pressure governor afterwards, after pressure regulation, gas divides two-way to flow in room of outlet after diffusing tube voltage stabilizing and noise reduction, one tunnel is flowed out pressure-regulating box through outer pipe and is entered low pressure official website, and another road is used for providing gas-monitoring and pilot pressure to relevant device.Gas providing pilot pressure with the pressure regulation work of pressure governor of finishing the work for work (monitoring) pilot valve before pressure regulation after afflux block current limliting, once work pressure governor is malfunctioning, monitoring pressure governor starts work automatically.
After pressure-regulating box outlet pressure exceeds cut-off valve setting pressure, cut-off valve cuts off automatically closes pressure governor path; After outlet pressure exceedes diffusion valve setting pressure, diffusion valve automatic relief, is spilt into gas in air by blow-down pipe and goes.
By-pass pipeline in parallel on the input output pipeline of underground pressure-regulating box and by-pass valve are pipelines for subsequent use when breaking down as pressure-regulating box under locality or keep in repair.When underground pressure-regulating box normally works, this pipeline is closed condition.
The utility model is connected with by-pass pipeline and by-pass valve between input, export pipeline, can realize breaking down at pressure-regulating box or between turn(a)round, ensureing lasting air feed by opening by-pass valve.
Claims (10)
1. a Underground pressure-regulating box, comprises and is placed in underground casing, box cover and blow-down pipe, and casing is connected to form by upper box and cylindrical shell, and cylindrical shell both sides are connected with input, export pipeline and entrance, outlet valve; It is characterized in that: be divided into inlet and room of outlet in described cylindrical shell, in inlet, filter core be installed, after the barretter in filter core inner space, entrance seat, work pressure governor, monitoring pressure governor, outlet port series connection, be fixed on cylinder body bottom; Described monitoring pressure governor outlet is equipped with diffuser; Described upper box is connected on cylindrical shell, upper box top is connected with openable upper cover, upper box top is fixed with window, the connecting plate of upper box bottom is provided with inlet pressure table, delivery gauge, cut-off valve, entrance Decompression valves, outlet pressure relief valve, work afflux block, control and command device, work pilot valve, monitoring afflux block and diffusion valve, upper box sidewall is provided with one-way valve and is connected with blow-down pipe; Described inlet pressure table and delivery gauge correspond to inlet and the room of outlet of cylindrical shell; Described entrance Decompression valves and outlet pressure relief valve also correspond to inlet and the room of outlet of cylindrical shell; The suction port of described diffusion valve corresponds to the room of outlet of cylindrical shell; Described work afflux block and monitoring afflux block are made up of box body, filter screen, adjustable restrictive valve and pipeline, filter screen is placed in box body and one end connection suction port, the other end is connected with the input end of adjustable restrictive valve, and the output terminal of adjustable restrictive valve divides two-way to connect pressure governor pilot pressure connecting port and pilot valve connecting port respectively; Described work afflux block, work pilot valve are connected with a set of signal tube with work pressure governor, and monitoring afflux block, monitoring pressure governor are connected with another set of signal tube with control and command device.
2. Underground pressure-regulating box according to claim 1, is characterized in that: be connected with by-pass pipeline and by-pass valve between above-mentioned input, export pipeline.
3. Underground pressure-regulating box according to claim 1, is characterized in that: the gateway connecting differential manometer inside and outside above-mentioned filter core between both sides.
4. Underground pressure-regulating box according to claim 1, is characterized in that: by channel plate, barrel space is divided into inlet and room of outlet in above-mentioned cylindrical shell, this channel plate is formed by two pieces of orthogonal Plate Weldings.
5. Underground pressure-regulating box according to claim 1, is characterized in that: spring and spring holder are equipped with in above-mentioned screw rod top.
6. Underground pressure-regulating box according to claim 1, is characterized in that: above-mentioned diffuser adopts the hollow columnar diffuser in mesh type.
7. Underground pressure-regulating box according to claim 1, is characterized in that: the work pressure governor in above-mentioned cylindrical shell and monitoring pressure governor can adopt axial flow pressure regulator, formula pressure governor of namely meandering.
8. Underground pressure-regulating box according to claim 1, is characterized in that: Stamping Steel Ribbon is equipped with at above-mentioned openable upper cover surrounding and upper box upper contact place, and upper cover is fixed by nonstandard bolt upper box.
9. Underground pressure-regulating box according to claim 1, is characterized in that: above-mentioned window is the toughened glass with two frameworks, is bolted on upper box.
10. Underground pressure-regulating box according to claim 1, is characterized in that: above-mentioned blow-down pipe is provided with integrated electronic instrument box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520212029.6U CN204647860U (en) | 2015-04-09 | 2015-04-09 | Underground pressure-regulating box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520212029.6U CN204647860U (en) | 2015-04-09 | 2015-04-09 | Underground pressure-regulating box |
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| CN204647860U true CN204647860U (en) | 2015-09-16 |
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| CN201520212029.6U Active CN204647860U (en) | 2015-04-09 | 2015-04-09 | Underground pressure-regulating box |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627098A (en) * | 2016-01-20 | 2016-06-01 | 陕西铭泽燃气工程有限公司 | Unattended security type half-underground pressure adjusting system |
| CN108253176A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Buried solenoid valve box |
| CN108253183A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of intelligent integrated |
| CN108253184A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Integrate buried solenoid valve box |
| CN108253295A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of rod-pulling type intelligent integrated |
| CN108253300A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Underground pressure regulating box |
| CN109253395A (en) * | 2018-11-15 | 2019-01-22 | 特瑞斯能源装备股份有限公司 | A kind of high leakproofness underground voltage regulating station |
| CN111692532A (en) * | 2020-04-10 | 2020-09-22 | 江苏盛伟燃气科技有限公司 | Buried voltage regulating device |
| CN111692533A (en) * | 2020-04-10 | 2020-09-22 | 江苏盛伟燃气科技有限公司 | Direct-buried jacket type gas pressure regulating device |
| CN114151733A (en) * | 2021-11-16 | 2022-03-08 | 瑞星久宇燃气设备（成都）有限公司 | Direct-buried underground pressure regulating box |
-
2015
- 2015-04-09 CN CN201520212029.6U patent/CN204647860U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627098A (en) * | 2016-01-20 | 2016-06-01 | 陕西铭泽燃气工程有限公司 | Unattended security type half-underground pressure adjusting system |
| CN108253176A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Buried solenoid valve box |
| CN108253183A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of intelligent integrated |
| CN108253184A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Integrate buried solenoid valve box |
| CN108253295A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of rod-pulling type intelligent integrated |
| CN108253300A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Underground pressure regulating box |
| CN109253395A (en) * | 2018-11-15 | 2019-01-22 | 特瑞斯能源装备股份有限公司 | A kind of high leakproofness underground voltage regulating station |
| CN111692532A (en) * | 2020-04-10 | 2020-09-22 | 江苏盛伟燃气科技有限公司 | Buried voltage regulating device |
| CN111692533A (en) * | 2020-04-10 | 2020-09-22 | 江苏盛伟燃气科技有限公司 | Direct-buried jacket type gas pressure regulating device |
| CN111692532B (en) * | 2020-04-10 | 2021-05-11 | 江苏盛伟燃气科技有限公司 | Buried voltage regulating device |
| CN111692533B (en) * | 2020-04-10 | 2021-08-24 | 江苏盛伟燃气科技有限公司 | Direct-buried jacket type gas pressure regulating device |
| CN114151733A (en) * | 2021-11-16 | 2022-03-08 | 瑞星久宇燃气设备（成都）有限公司 | Direct-buried underground pressure regulating box |
| CN114151733B (en) * | 2021-11-16 | 2024-06-04 | 瑞星久宇燃气设备（成都）有限公司 | Direct-buried underground pressure regulating box |
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