CN208333625U - A kind of energy measurement of natural gas examines skid to set - Google Patents
A kind of energy measurement of natural gas examines skid to set Download PDFInfo
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- CN208333625U CN208333625U CN201820675905.2U CN201820675905U CN208333625U CN 208333625 U CN208333625 U CN 208333625U CN 201820675905 U CN201820675905 U CN 201820675905U CN 208333625 U CN208333625 U CN 208333625U
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- natural gas
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- energy measurement
- chromatograph
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Abstract
The utility model relates to energy measurement of natural gas, and skid to be examined to set, it includes support prizing body (1), support prizing body (1) is equipped with nitrogen gas tank (2), chromatograph (3), temperature transmitter (4), pressure transmitter (5) and control cabinet (7) equipped with nitrogen, controller is equipped in the control cabinet (7), the nitrogen gas tank (2) is used to provide nitrogen for the chromatograph (3), and the chromatograph (3), temperature transmitter (4) and pressure transmitter (5) are connected by signal wire with the controller respectively.The device vehicle-mounted can not only integrally be carried, be reused, and can be used in the inspection of the gathering station measuring equipment of remote mountain areas, be conducive to the long-term safety operation of device, and be able to achieve the metering of natural gas energy.
Description
Technical field
The utility model belongs to metering test equipment technical field, is related to a kind of energy measurement of natural gas inspection equipment, tool
Body is related to a kind of energy measurement of natural gas and skid is examined to set.
Background technique
Natural gas has a systems such as burning is complete, unit calorific value is high, combustion product has fewer environmental impacts as fuel
Column advantage, thus it is as a kind of important energy, the ratio in world's energy resource structure constantly rises.Natural gas is 21 century
The fastest-rising energy of consumption figure.Meanwhile with the fortune of building up and go into operation of one line of transfering natural gas from the west to the east, two wires and each interconnection
Battalion, China's natural gas transmission & distribution network have stepped into a high-speed developing period.
In this context, the accuracy and fairness of gas metering are concerned.Currently, the metering side of natural gas
There are three types of formulas, that is, volume metering, mass metrology and energy meter.
As the natural gas of the energy, concerned by people is its calorific value, i.e. calorific value.So the volume of natural gas is not
Its value as the energy can really be embodied.In trade settlement, the mode measured by volume, which is not met, fixes the price according to the quality, is high-quality excellent
The commodity transaction principle of valence is unfavorable for scientifically and rationally using limited natural gas resource, all unreasonable to both sides of supply and demand.
Energy meter due to reflection be natural gas thermal energy, as it is a kind of it is most reasonable, most scientific, can most reflect natural gas
A kind of metering method of the characteristics of as fuel, is widely adopted in the world.By being changed into natural gas from volume metering
The progress and change of this metering method of energy meter, to improving, the whole natural gas trade transaction of country is horizontal, keeps fair, public
Just, the dispute for reducing trade transaction upstream and downstream user, creates stability and harmony social situation, has very important reality meaning
Justice.
And in order to realize the metering of natural gas, measuring equipment is equipped at various gas gathering and transportation stations.These measuring equipments
By long-term use, measuring accuracy can be reduced.Therefore, it periodically tests and is even more important to these measuring equipments.
It to test to measuring equipment, it is necessary to use verifying attachment.But existing verifying attachment is generally existing to be removed
The problems such as fortune is inconvenient, and testing accuracy is low.
In view of the above-mentioned technological deficiency of the prior art, there is an urgent need to develop a kind of novel energy measurement of natural gas inspection dress
It sets.
Summary of the invention
The purpose of the utility model is to overcome disadvantages existing in the prior art, provide a kind of energy measurement of natural gas inspection
It tests skid to set, which vehicle-mounted can not only integrally carry, reuse, and can be used in the gathering station metering of remote mountain areas
The inspection of equipment, is conducive to the long-term safety operation of device, and can be realized the metering of natural gas energy.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of energy measurement of natural gas examines skid to set comprising support prizing body, which is characterized in that on the support prizing body
Equipped with nitrogen gas tank, chromatograph, temperature transmitter, pressure transmitter and the control cabinet that nitrogen is housed, control is equipped in the control cabinet
Device processed, the nitrogen gas tank are used to provide nitrogen, the chromatograph, temperature transmitter and pressure transmitter difference for the chromatograph
It is connected by signal wire with the controller.
Further, wherein display is additionally provided in the control cabinet, the display is also by signal wire and the control
Device processed is connected.
Further, wherein connect the letter of the controller and the chromatograph, temperature transmitter and pressure transmitter
Number line is all disposed in conduit.
Still further, wherein, the chromatograph is connected at the sample tap of natural-gas transfer pipeline by capillary.
Furthermore, wherein the first support that the support prizing body includes support base and is arranged in the support base
And second support.
Further, wherein the nitrogen gas tank is arranged in the support base.
Further, wherein the chromatograph is mounted in the first support.
Still further, wherein, the control cabinet is mounted in the second support.
Compared with existing gas metering equipment test facility (ETF), the energy measurement of natural gas of the utility model examines skid
It sets with following advantageous effects:
1, it facilitates resettlement, can use by energy measurement of natural gas verifying attachment integrated installation in a support skid body
To remote mountain area.
2, it analyzes check gauge equipped with chromatograph etc. on support prizing body, can examine natural gas on-site measuring equipment
Accuracy.
3, its energy that can measure natural gas meets the need of present energy measurement of natural gas to realize energy meter
It asks.
Detailed description of the invention
Fig. 1 is the schematic elevation view that the energy measurement of natural gas of the utility model examines skid to set.
Fig. 2 is the schematic top plan view that the energy measurement of natural gas of the utility model examines skid to set.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, and the content of embodiment is not as practical to this
The limitation of novel protection scope.
Fig. 1 shows the schematic elevation view that the energy measurement of natural gas of the utility model examines skid to set.Fig. 2 shows this
The schematic top plan view that the energy measurement of natural gas of utility model examines skid to set.As illustrated in fig. 1 and 2, the utility model is natural
Gas energy meter examines skid to set including supporting prizing body 1.The support prizing body 1 is used to provide branch for other components of the device
Support.Since other components are all mounted on the support prizing body 1, so that the device can not only vehicle-mounted whole carrying, repetition
It uses, and can be used in the inspection of the gathering station energy meter equipment of remote mountain areas, use scope is wider.
Wherein, the support prizing body 1 is equipped with nitrogen gas tank 2, chromatograph 3, temperature transmitter 4, pressure change equipped with nitrogen
Send device 5 and control cabinet 7.Controller not shown in the figure is equipped in the control cabinet 7.
The nitrogen gas tank 2 is used to provide nitrogen for the chromatograph 3, so that the chromatograph 3 is able to carry out work.And
And the chromatograph 3 is connected at the sample tap of natural-gas transfer pipeline.In this way, can be obtained naturally by the chromatograph 3
The carbon content C of natural gas in letter shoot road.Meanwhile the temperature transmitter 4 and pressure transmitter 5 are respectively used to measurement day
The temperature and pressure of natural gas in right letter shoot road.Natural-gas transfer pipeline can be obtained by the temperature transmitter 4
In natural gas temperature T.The pressure P of the natural gas in natural-gas transfer pipeline can be obtained by the pressure transmitter 5.
The chromatograph 3, temperature transmitter 4 and pressure transmitter 5 are connected by signal wire with the controller respectively.This
The carbon content C, temperature T and pressure P of natural gas in natural-gas transfer pipeline can be transferred to the controller by sample.It is described
According to equation of gaseous state pV=nRT, (wherein, p is the pressure of gas to controller, can be according to pressure P and natural-gas transfer pipeline
Cross-sectional area is calculated；V is the volume of gas；The amount of n expression gaseous matter；The thermodynamic temperature of T expression gas；R is gas
Body constant), in the case where known pressure P, the cross-sectional area of natural-gas transfer pipeline and temperature T, gas can be calculated
Volume V, that is, flow through the gas discharge of the natural-gas transfer pipeline.
Moreover, the velocity of sound of natural gas is related with pressure P and temperature T, the controller is according to collected pressure P and temperature
Theoretical velocity of sound v0 can be obtained with look-up table in T.
According to formula W=kCV, (wherein, W is energy total amount；K is coefficient, between 0.5~1.5；C is carbon content, and V is
Gas volume, that is, flow), energy total amount can be calculated, to realize the metering of natural gas energy.
Meanwhile flowmeter that is to be tested, being mounted on the natural-gas transfer pipeline is connected to by institute by signal wire
State controller.The flow is calculated as ultrasonic flowmeter, exportable flow Q and velocity of sound v.
In this way, may determine that whether the flowmeter is normal according to the difference of velocity of sound v and theoretical velocity of sound v0, pass through flow Q
Can determine whether the flowmeter is accurate in metering compared with volume V, to realize the inspection to the flowmeter.
In the present invention, it is preferable that be additionally provided with display not shown in the figure in the control cabinet 7.The display
Device is connected also by signal wire with the controller.In this way, can by velocity of sound v, theoretical velocity of sound v0, flow Q, volume V and it
Comparison result show on the display so that result is more than you know.
As illustrated in fig. 1 and 2, in the present invention, it is preferable that connect the controller and the chromatograph 3, temperature become
The signal wire of device 4 and pressure transmitter is sent to be all disposed in conduit 6.In this way, the conduit 6 can play guarantor to signal wire
Shield effect.
It is highly preferred that the chromatograph 3 is connected at the sample tap of natural-gas transfer pipeline by capillary, convenient for acquisition
The carbon content of natural gas.
Meanwhile in the present invention, it is preferable that the support prizing body 1 includes support base 1.1 and is arranged described
First support 1.2 and second support 1.3 in support base 1.1.Wherein, the nitrogen gas tank 2 is arranged in the support base 1.1
On.The chromatograph 3 is mounted in the first support 1.2.The control cabinet 7 is mounted in the second support 1.3.This
Sample is easy to implement the installation of various components.
The energy measurement of natural gas of the utility model examines skid to set energy measurement of natural gas verifying attachment integrated installation
In in a support skid body, facilitates resettlement, remote mountain area can be applied to.Meanwhile chromatograph equal part being housed on support prizing body
Check gauge is analysed, the accuracy of natural gas on-site measuring equipment can be examined.Moreover, its energy that can measure natural gas, from
And realize energy meter, meet the demand of present energy measurement of natural gas.
The above embodiments of the present invention is merely examples for clearly illustrating the present invention, and is not
Limitations of the embodiments of the present invention.For those of ordinary skill in the art, on above explained basis
On can also make other variations or changes in different ways.Here all embodiments can not be exhaustive.All categories
In the obvious changes or variations that the technical solution of the utility model is extended out still in the protection model of the utility model
The column enclosed.
Claims (8)
1. a kind of energy measurement of natural gas examines skid to set comprising support prizing body (1), which is characterized in that the support prizing body
(1) nitrogen gas tank (2), chromatograph (3), temperature transmitter (4), pressure transmitter (5) and control cabinet equipped with nitrogen are equipped with
(7), controller is equipped in the control cabinet (7), the nitrogen gas tank (2) is used to provide nitrogen, the color for the chromatograph (3)
Spectrometer (3), temperature transmitter (4) and pressure transmitter (5) are connected by signal wire with the controller respectively.
2. energy measurement of natural gas according to claim 1 examines skid to set, which is characterized in that in the control cabinet (7)
It is additionally provided with display, the display is connected also by signal wire with the controller.
3. energy measurement of natural gas according to claim 2 examines skid to set, which is characterized in that connect the controller with
The signal wire of the chromatograph (3), temperature transmitter (4) and pressure transmitter is all disposed in conduit (6).
4. energy measurement of natural gas according to claim 3 examines skid to set, which is characterized in that the chromatograph (3) is logical
Capillary is crossed to be connected at the sample tap of natural-gas transfer pipeline.
5. energy measurement of natural gas described in any one of -4 examines skid to set according to claim 1, which is characterized in that the branch
Support prizing body (1) includes the first support (1.2) and second of support base (1.1) and setting on the support base (1.1)
Bracket (1.3).
6. energy measurement of natural gas according to claim 5 examines skid to set, which is characterized in that the nitrogen gas tank (2) sets
It sets on the support base (1.1).
7. energy measurement of natural gas according to claim 6 examines skid to set, which is characterized in that chromatograph (3) peace
On the first support (1.2).
8. energy measurement of natural gas according to claim 7 examines skid to set, which is characterized in that control cabinet (7) peace
On the second support (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675905.2U CN208333625U (en) | 2018-05-08 | 2018-05-08 | A kind of energy measurement of natural gas examines skid to set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675905.2U CN208333625U (en) | 2018-05-08 | 2018-05-08 | A kind of energy measurement of natural gas examines skid to set |
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| Publication Number | Publication Date |
|---|---|
| CN208333625U true CN208333625U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820675905.2U Active CN208333625U (en) | 2018-05-08 | 2018-05-08 | A kind of energy measurement of natural gas examines skid to set |
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| Country | Link |
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| CN (1) | CN208333625U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946167A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| CN114777011A (en) * | 2022-04-20 | 2022-07-22 | 中国石油化工股份有限公司 | Multifunctional fair metering system and metering method based on LNG tank car |
| US11796528B2 (en) | 2021-02-04 | 2023-10-24 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method and system for measuring energy of natural gas |
-
2018
- 2018-05-08 CN CN201820675905.2U patent/CN208333625U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946167A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| CN112946167B (en) * | 2021-02-04 | 2022-05-27 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| US11796528B2 (en) | 2021-02-04 | 2023-10-24 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method and system for measuring energy of natural gas |
| CN114777011A (en) * | 2022-04-20 | 2022-07-22 | 中国石油化工股份有限公司 | Multifunctional fair metering system and metering method based on LNG tank car |
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