CN209165044U - A kind of combustible gas metering arrangement - Google Patents

A kind of combustible gas metering arrangement Download PDF

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Publication number
CN209165044U
CN209165044U CN201821840569.9U CN201821840569U CN209165044U CN 209165044 U CN209165044 U CN 209165044U CN 201821840569 U CN201821840569 U CN 201821840569U CN 209165044 U CN209165044 U CN 209165044U
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China
Prior art keywords
pipeline
ball valve
cabinet
combustible gas
electrical ball
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CN201821840569.9U
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Chinese (zh)
Inventor
张玉星
马旭卿
江枫
张涛
王嵩梅
何毅
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Beijing Gas Group Co Ltd
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Beijing Gas Group Co Ltd
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Abstract

The utility model discloses a kind of combustible gas metering arrangements, including cabinet, the bottom of cabinet is equipped with idler wheel, the first pipeline is equipped in cabinet, second pipeline, third pipeline, PLC controller and explosion-proof electrical source, one end of first pipeline and one end of the second pipeline are connected with each other, the other end of first pipeline and the second pipeline stretches out cabinet respectively, the both ends of third pipeline respectively with the second piping connection, first pipeline is equipped with electric control valve, second pipeline is equipped with the first electrical ball valve, first electrical ball valve is between third pipeline both ends and the tie point of the second pipeline, third pipeline is equipped with the second electrical ball valve and ultrasonic flowmeter, PLC controller and explosion-proof electrical source respectively with electric control valve, first electrical ball valve, second electrical ball valve is connected with ultrasonic flowmeter, PLC controller also with the behaviour that is arranged on box top wall Control knob is connected with display screen.It has the advantages that structure is simple, esy to use, safe and reliable, high degree of automation.

Description

A kind of combustible gas metering arrangement
Technical field
The utility model relates to meters, and in particular to a kind of moveable combustible gas metering arrangement.
Background technique
Flowmeter is the commonly used equipment in gas ductwork, is usually fixed on specific gas pipeline, in order to The metering of combustion gas.The case where needs such as gas pipeline release, displacement and the debugging of mesolow pressure regulating box are temporarily measured, at present This field is mainly by the way of site layout project pipeline and installation flowmeter, and not only process is tedious, complicated for operation, working efficiency It is low, and cannot achieve long-range control, the degree of automation is low, is unfavorable for the construction of gas ductwork wisdomization.
Utility model content
The purpose of the utility model is to provide a kind of combustible gas metering arrangement, it is simple with structure, easy to use, safe can Lean on, high degree of automation the advantages of.
To solve the above-mentioned problems in the prior art, the utility model provides a kind of combustible gas metering arrangement, including Cabinet, the bottom of the cabinet are equipped with multiple idler wheels, and the first pipeline, the second pipeline, third pipeline, PLC control are equipped in cabinet One end of device and explosion-proof electrical source, one end of the first pipeline and the second pipeline is connected with each other, the first pipeline and the second pipeline it is another Cabinet is stretched out at end respectively, and respectively with the second piping connection, the first pipeline is equipped with electric control valve at the both ends of third pipeline, and second Pipeline is equipped with the first electrical ball valve, and the first electrical ball valve is between third pipeline both ends and the tie point of the second pipeline, the Three pipelines are equipped with the second electrical ball valve and ultrasonic flowmeter, PLC controller and explosion-proof electrical source respectively with electric control valve, the One electrical ball valve, the second electrical ball valve are connected with ultrasonic flowmeter, PLC controller also with the manipulation that is arranged on box top wall Knob is connected with display screen.
Further, a kind of combustible gas metering arrangement of the utility model, wherein second electrical ball valve is in supersonic flow The first pipeline of meter distance close side is additionally provided with the third connecting respectively with PLC controller and explosion-proof electrical source on third pipeline Electrical ball valve, third electrical ball valve are in the remote side of the first pipeline of ultrasonic flowmeter distance.
Further, a kind of combustible gas metering arrangement of the utility model, wherein the third pipeline is additionally provided with y-type filter, Y-type filter is between the second electrical ball valve and ultrasonic flowmeter.
Further, a kind of combustible gas metering arrangement of the utility model, wherein the third pipeline is additionally provided with to be controlled with PLC The pressure transmitter of device connection, pressure transmitter are in the close side of third electrical ball valve the second pipeline of distance.
Further, a kind of combustible gas metering arrangement of the utility model, wherein it is additionally provided with fuel gas alarm in the cabinet, Fuel gas alarm is fixed by the bracket on the roof of cabinet.
Further, a kind of combustible gas metering arrangement of the utility model, wherein first pipeline and the second pipeline form L Type structure, the third pipeline use U-shaped structure.
Further, a kind of combustible gas metering arrangement of the utility model, wherein first pipeline, the second pipeline and third Diffusion valve is respectively equipped on pipeline.
Further, a kind of combustible gas metering arrangement of the utility model, wherein Beidou positioning device is additionally provided in the cabinet Or GPS positioning device.
Further, a kind of combustible gas metering arrangement of the utility model, wherein the cabinet is equipped with using U-shaped steel production Bottom framework, the multiple idler wheel are mounted on the downside of bottom framework, first pipeline, the second pipeline, third pipeline and PLC control Device is separately fixed at the upside of bottom framework, and the explosion-proof electrical source is fixed on the upside of PLC controller.
Further, a kind of combustible gas metering arrangement of the utility model, wherein first pipeline and the second pipeline stretch out case The end of body is respectively equipped with connecting flange.
A kind of combustible gas metering arrangement of the utility model compared with prior art, has the advantage that the utility model passes through Cabinet is set, multiple idler wheels are set in the bottom of cabinet, the first pipeline, the second pipeline, third pipeline, PLC are set in cabinet Controller and explosion-proof electrical source allow one end of the first pipeline and one end of the second pipeline to be connected with each other, the first pipeline and second are allowed to manage The other end on road stretches out cabinet respectively, allows the both ends of third pipeline respectively with the second piping connection, and is arranged on the first pipeline The first electrical ball valve is arranged in electric control valve on the second pipeline, and the first electrical ball valve is made to be in third pipeline both ends and second Between the tie point of pipeline, the second electrical ball valve and ultrasonic flowmeter are set on third pipeline, meanwhile, allow PLC controller It connect, and allows with electric control valve, the first electrical ball valve, the second electrical ball valve and ultrasonic flowmeter respectively with explosion-proof electrical source PLC controller is connect with the manipulation knob and display screen being arranged on box top wall.Thus just constitute that a kind of structure is simple, makes With convenient, safe and reliable, high degree of automation combustible gas metering arrangement.In practical applications, combustible gas metering arrangement is moved first Use site is moved, and accesses burning line by stretching out the first pipeline of cabinet and the second pipeline, is then made by PLC controller Electric control valve and the second electrical ball valve are opened, and close the first electrical ball valve, and combustion gas flows successively through the first pipeline, the second pipe When the rear end of the front end on road, third pipeline and the second pipeline, the combustion gas flowed through can be measured by ultrasonic flowmeter; When ultrasonic flowmeter breaks down, open the first electrical ball valve by PLC controller, and close the second electrical ball valve It closes, combustion gas can flow successively through the first pipeline and the second pipeline, and will not influence the just common gas of backend user.The utility model is logical It crosses and explosion-proof electrical source is set in cabinet, when use does not need external power supply, improves the convenient, flexible property used, passes through setting PLC controller improves the accuracy of the degree of automation and control, it can be achieved that long-range control, is conducive to the wisdom of gas ductwork Construction.
Illustrated embodiment is described in further detail a kind of combustible gas metering arrangement of the utility model with reference to the accompanying drawing:
Detailed description of the invention
Fig. 1 is a kind of front view of combustible gas metering arrangement of the utility model;
Fig. 2 is a kind of top view of combustible gas metering arrangement of the utility model;
Fig. 3 is the A-A direction view in Fig. 1;
Fig. 4 is the B-B direction view in Fig. 1;
Fig. 5 is a kind of perspective view of combustible gas metering arrangement of the utility model;
Fig. 6 is a kind of top view of combustible gas metering arrangement box house of the utility model;
Fig. 7 is a kind of perspective view of combustible gas metering arrangement box house of the utility model.
Specific embodiment
Firstly the need of explanation, the nouns of locality such as upper and lower, front, rear, left and right described in the utility model are only according to attached Scheme carry out description, in order to understand, not to the technical solution of the utility model and be claimed range progress limitation.
A kind of specific embodiment of combustible gas metering arrangement of the utility model as shown in Figures 1 to 7, including cabinet 1, in case Multiple idler wheels 2 are arranged in the bottom of body 1, in order to movement.Be arranged in cabinet 1 first pipeline 3, the second pipeline 4, third pipeline 5, PLC controller 6 and explosion-proof electrical source 7 allow one end of the first pipeline 3 and one end of the second pipeline 4 to be connected with each other, allow the first pipeline 3 Cabinet 1 is stretched out respectively with the other end of the second pipeline 4, and the both ends of third pipeline 5 is allowed to connect respectively with the second pipeline 4.And Electric control valve 31 is set on one pipeline 3, the first electrical ball valve 41 is set on the second pipeline 4, and makes the first electrical ball valve 41 Between tie point in 5 both ends of third pipeline and the second pipeline 4, the second electrical ball valve 51 is set on third pipeline 5 and is surpassed Acoustic wave flow meter 52.Meanwhile allow PLC controller 6 and explosion-proof electrical source 7 respectively with electric control valve 31, the first electrical ball valve 41, The manipulation knob that two electrical ball valves 51 and ultrasonic flowmeter 52 connect, and make PLC controller 6 and be arranged on 1 roof of cabinet 11 and display screen 12 connect.
It is arranged that just to constitute a kind of structure simple, esy to use, safe and reliable, high degree of automation through the above structure Combustible gas metering arrangement.In practical applications, combustible gas metering arrangement is moved into use site first, and by stretching out cabinet 1 first Pipeline 3 and the second pipeline 4 access burning line, then make electric control valve 31 and the second electrical ball valve 51 by PLC controller 6 It opens, and closes the first electrical ball valve 41, combustion gas flows successively through the first pipeline 3, the front end of the second pipeline 4,5 and of third pipeline When the rear end of the second pipeline 4, the combustion gas flowed through can be measured by ultrasonic flowmeter 52;When ultrasonic flowmeter 52 When breaking down, open the first electrical ball valve 41 by PLC controller 6, and close the second electrical ball valve 51, combustion gas can be according to It is secondary to flow through the first pipeline 3 and the second pipeline 4, it will not influence the just common gas of backend user.The utility model passes through in cabinet 1 Explosion-proof electrical source 7 is set, and when use does not need external power supply, improves the convenient, flexible property used, passes through setting PLC controller 6 The accuracy of the degree of automation and control is improved, it can be achieved that long-range control, is conducive to the wisdomization construction of gas ductwork.
As prioritization scheme, present embodiment allows the setting of the second electrical ball valve 51 in 52 distance of ultrasonic flowmeter the The close side of one pipeline 3, and the third electricity connecting respectively with PLC controller 6 and explosion-proof electrical source 7 is provided on third pipeline 5 Dynamic ball valve 53, and third electrical ball valve 53 is made to be in the remote side of 52 distance the first pipeline 3 of ultrasonic flowmeter.Pass through setting the Three electrical ball valves 53 make it be respectively at the two sides of ultrasonic flowmeter 52 with the second electrical ball valve 51, improve control just Benefit and safety do not need ultrasonic flowmeter 52 can be made to be isolated with combustion gas completely when metering.Meanwhile present embodiment It is provided with y-type filter 54 on third pipeline 5, and y-type filter 54 is made to be in the second electrical ball valve 51 and ultrasonic flow Between meter 52.The combustion gas flowed through can be filtered by y-type filter 54, avoid the impurity in combustion gas to ultrasonic flow Meter 52 has an impact, and ensure that the accuracy of metering, extends the service life of ultrasonic flowmeter 52.
As the scheme that advanced optimizes, present embodiment is provided on third pipeline 5 and connect with PLC controller 6 Pressure transmitter 55, and pressure transmitter 55 is made to be in the close side of 53 distance the second pipeline 4 of third electrical ball valve.Pass through pressure Power transmitter 55 can pressure in real-time detection third pipeline 5, and send pressure to PLC controller 6, improve the essence of control Exactness.Present embodiment also in cabinet 1 be provided with fuel gas alarm 8, and make fuel gas alarm 8 be fixed by the bracket in On the roof of cabinet 1.By fuel gas alarm 8 can gas concentration in real-time detection cabinet 1, and the hair when gas concentration transfinites It alarms out, to enhance safety.Meanwhile present embodiment allows the first pipeline 3 and the second pipeline 4 to form L-type structure, and Third pipeline 5 is set to use U-shaped structure, this mode improves the compactedness of structure, effectively reduces volume.In addition, this tool Body embodiment is respectively provided with diffusion valve 9 on the first pipeline 3, the second pipeline 4 and third pipeline 5, therein to diffuse Combustion gas.For improve control convenience and the degree of automation, the utility model also in cabinet 1 be provided with Beidou positioning device or GPS positioning device (not shown), in order to be positioned to metering device.
It should be noted that in practical applications, the utility model usually allows the setting of cabinet 1 using the bottom of U-shaped steel production Frame 13, and multiple idler wheels 2 is made to be mounted on the downside of bottom framework 13, make the first pipeline 3, the second pipeline 4, third pipeline 5 and PLC Controller 6 is separately fixed at the upside of bottom framework 13, and explosion-proof electrical source 7 is made to be fixed on the upside of PLC controller 6, to guarantee cabinet 1 Structural strength.For the convenience for improving attended operation, the utility model also stretches out cabinet 1 in the first pipeline 3 and the second pipeline 4 End be respectively provided with connecting flange.
Above embodiments are only the descriptions carried out to preferred embodiments of the present invention, are not asked to the utility model The restriction for asking protection scope to carry out, under the premise of not departing from the utility model design principle, those skilled in the art are according to this The various forms of deformations that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (10)

1. a kind of combustible gas metering arrangement, which is characterized in that including cabinet (1), the bottom of the cabinet (1) is equipped with multiple idler wheels (2), the first pipeline (3), the second pipeline (4), third pipeline (5), PLC controller (6) and explosion-proof electrical source are equipped in cabinet (1) (7), one end of one end of the first pipeline (3) and the second pipeline (4) is connected with each other, the first pipeline (3) and the second pipeline (4) it is another One end is stretched out cabinet (1) respectively, and the both ends of third pipeline (5) are connect with the second pipeline (4) respectively, and the first pipeline (3) is equipped with Electric control valve (31), the second pipeline (4) are equipped with the first electrical ball valve (41), and the first electrical ball valve (41) is in third pipeline (5) between both ends and the tie point of the second pipeline (4), third pipeline (5) is equipped with the second electrical ball valve (51) and supersonic flow Meter (52), PLC controller (6) and explosion-proof electrical source (7) respectively with electric control valve (31), the first electrical ball valve (41), second Electrical ball valve (51) and ultrasonic flowmeter (52) connection, manipulation of the PLC controller (6) also with setting on cabinet (1) roof Knob (11) and display screen (12) connection.
2. a kind of combustible gas metering arrangement described in accordance with the claim 1, which is characterized in that second electrical ball valve (51) is in The close side of ultrasonic flowmeter (52) the first pipeline of distance (3), be additionally provided on third pipeline (5) respectively with PLC controller (6) With the third electrical ball valve (53) of explosion-proof electrical source (7) connection, third electrical ball valve (53) is in ultrasonic flowmeter (52) distance The remote side of first pipeline (3).
3. a kind of combustible gas metering arrangement according to claim 2, which is characterized in that the third pipeline (5) is additionally provided with Y type Filter (54), y-type filter (54) are between the second electrical ball valve (51) and ultrasonic flowmeter (52).
4. a kind of combustible gas metering arrangement described in accordance with the claim 3, which is characterized in that the third pipeline (5) be additionally provided with The pressure transmitter (55) of PLC controller (6) connection, pressure transmitter (55) are in the pipe of third electrical ball valve (53) distance second The close side in road (4).
5. a kind of combustible gas metering arrangement according to claim 4, which is characterized in that be additionally provided with combustion gas in the cabinet (1) Alarm (8), fuel gas alarm (8) are fixed by the bracket on the roof of cabinet (1).
6. a kind of combustible gas metering arrangement according to claim 5, which is characterized in that first pipeline (3) and the second pipe Road (4) forms L-type structure, and the third pipeline (5) uses U-shaped structure.
7. a kind of combustible gas metering arrangement according to claim 6, which is characterized in that first pipeline (3), the second pipeline (4) and on third pipeline (5) it is respectively equipped with diffusion valve (9).
8. a kind of combustible gas metering arrangement according to claim 7, which is characterized in that be additionally provided with Beidou in the cabinet (1) Positioning device or GPS positioning device.
9. a kind of combustible gas metering arrangement according to claim 8, which is characterized in that the cabinet (1), which is equipped with, uses U-shaped steel The bottom framework (13) of production, the multiple idler wheel (2) are mounted on the downside of bottom framework (13), first pipeline (3), the second pipe Road (4), third pipeline (5) and PLC controller (6) are separately fixed at the upside of bottom framework (13), and the explosion-proof electrical source (7) is fixed In the upside of PLC controller (6).
10. a kind of combustible gas metering arrangement according to claim 9, which is characterized in that first pipeline (3) and the second pipe The end that cabinet (1) is stretched out on road (4) is respectively equipped with connecting flange.
CN201821840569.9U 2018-11-09 2018-11-09 A kind of combustible gas metering arrangement Active CN209165044U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821840569.9U CN209165044U (en) 2018-11-09 2018-11-09 A kind of combustible gas metering arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821840569.9U CN209165044U (en) 2018-11-09 2018-11-09 A kind of combustible gas metering arrangement

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Publication Number Publication Date
CN209165044U true CN209165044U (en) 2019-07-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109296941A (en) * 2018-11-09 2019-02-01 北京市燃气集团有限责任公司 A kind of combustible gas metering arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109296941A (en) * 2018-11-09 2019-02-01 北京市燃气集团有限责任公司 A kind of combustible gas metering arrangement

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