CN202040538U - Pressure boost and reinjection device after sampling of particulate matter in natural gas pipe - Google Patents

Pressure boost and reinjection device after sampling of particulate matter in natural gas pipe Download PDF

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Publication number
CN202040538U
CN202040538U CN 201120111653 CN201120111653U CN202040538U CN 202040538 U CN202040538 U CN 202040538U CN 201120111653 CN201120111653 CN 201120111653 CN 201120111653 U CN201120111653 U CN 201120111653U CN 202040538 U CN202040538 U CN 202040538U
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CN
China
Prior art keywords
gas
pressure
supercharging
natural gas
pipeline
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Expired - Fee Related
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CN 201120111653
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Chinese (zh)
Inventor
陈鸿海
许乔奇
姬忠礼
熊至宜
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China University of Petroleum Beijing CUPB
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China University of Petroleum Beijing CUPB
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Priority to CN 201120111653 priority Critical patent/CN202040538U/en
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Publication of CN202040538U publication Critical patent/CN202040538U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a pressure boost and reinjection device after the sampling of particulate matter in a natural gas pipe, wherein the device utilizes a gas ejector to carry out pressure boost and reinjection for the natural gas after the sampling and analyzing for the particulate matter; the high-pressure gas in the high-pressure air source can be led into a working fluid inlet of the gas ejector by a high-pressure gas lead-in pipeline, the natural gas after the sampling and detecting for the particulate matter can be led to an ejecting fluid inlet of the gas ejector by a natural gas lead-in pipeline, the high-pressure gas and the natural gas after the sampling and the detecting are mixed in the gas ejector, the natural gas after the sampling and the detecting is pressurized, the mixed gas can be ejected out of an outlet of the gas ejector, and the ejected gas passes a reinjection pipeline and enters into a natural gas pipeline to realize the pressure boost and reinjection of the gas. No movable components exist in the gas ejector, and the use of the gas ejector does not involve the problems of lubrication and other energy consumption; as the gas ejector is used in the pressure boost and reinjection device, energy consumption is reduced; the pressure boost and reinjection device has the characteristics that the structure is simple, the operation is convenient, and the safety and the reliability are good.

Description

Natural gas line endoparticle thing sampling back supercharging re-injection device
Technical field
The utility model is about pipeline endoparticle thing collection analysis technology, relates in particular to a kind of gas pipeline endoparticle thing sampling back re-injection device, is specially adapted to the recovery of gas after the dust sampling analysis in the natural gas line.
Background technique
At present, the particulate matter in the natural gas line can be by decompressor emptying after carrying out sample detecting, and this mode not only causes the waste of rock gas, has also increased the potential safety hazard and the environmental pollution of dust sampling process in the natural gas line simultaneously.If the gas injection after will detecting through particulate matter is in former pipeline, will avoid this waste and potential safety hazard, but in sample detecting, rock gas can be lost through parts pressure such as a series of pipeline valves, can not directly be recycled in the former sampling pipeline and go, therefore, need carry out supercharging to the rock gas after the sample detecting could re-injection.Usually gas boosting can adopt suction booster to carry out supercharging, because the specific (special) requirements of Gas Industry needs suction booster to adopt pneumatic mode to realize, this just means that the extra compressor that increases of needs comes to provide stable source of the gas to pneumatic suction booster.Therefore, if adopt the suction booster supercharging mode to come to carry out supercharging to the rock gas after the sample detecting, just increase the complexity of whole sampling, re-injection process, also brought potential safety hazard to execute-in-place, and need to consume the more energy, particularly, caused the waste of the energy in field, the long defeated station of the rock gas of some insufficient remote districts of electric power.
In view of natural gas line endoparticle thing sampling back in the prior art directly emptying or the shortcoming that adopts conventional method to carry out supercharging, the inventor relies on relevant design and manufacturing experience for many years, a kind of natural gas line endoparticle thing sampling back supercharging re-injection device is proposed, thus, overcome the defective of prior art.
The model utility content
The purpose of this utility model is to provide a kind of natural gas line endoparticle thing sampling back supercharging re-injection device, rock gas after utilizing gas ejector to the particulate matter sampling analysis carries out re-injection after the supercharging, can simple, safe and reliablely finish the supercharging re-injection after the particulate matter sampling in the rock gas, be particularly suitable for implementing in the area of inclement condition, realize zero-emission in the natural gas line endoparticle thing sample detecting process, make particulate matter sample detecting process safe and reliable, alleviate environmental pollution and save the energy.
The purpose of this utility model is achieved in that a kind of natural gas line endoparticle thing sampling back supercharging re-injection device, and this supercharging re-injection device includes gas ejector; The Working-fluid intaking of described gas ejector is connected with the pressurized gas introduction pipeline, and this pressurized gas introduction pipeline is communicated in high-pressure air source; The driving fluid of described gas ejector inlet is connected with the gas introducing tube road that is used to import the rock gas after the sample detecting; The outlet of described gas ejector is connected with the re-injection pipeline.
In a better embodiment of the present utility model, this gas introducing tube road is connected with the rock gas discharge pipe of particulate matter sample detecting system; This re-injection pipeline connection is in natural gas line.
In a better embodiment of the present utility model, described high-pressure air source is a gas cylinder, and the pressurized gas in this gas cylinder are nitrogen; The pressure of pressurized gas is greater than the pressure of the rock gas that needs supercharging.
In a better embodiment of the present utility model, described pressurized gas introduction pipeline, gas introducing tube road and re-injection pipeline comprise pressure-display instrument, flow displaying instrument and control corresponding valve at least.
In a better embodiment of the present utility model, described pressurized gas introduction pipeline is connected with stop valve, first pressure gauge, pressure regulator valve, second pressure gauge, flow transmitter, modulating valve and one-way valve in turn by gas flow direction; Described gas introducing tube road is connected with rock gas inlet shutoff valve, pressure gauge and one-way valve in turn by gas flow direction; Described re-injection pipeline is connected with pressure gauge, safety valve, one-way valve and stop valve in turn by gas flow direction.
From the above mentioned, rock gas after the utility model utilizes gas ejector to the particulate matter sampling analysis carries out the supercharging re-injection, owing to do not have movable member in the gas ejector, in use do not relate to lubricated and consume other energy, only need a spot of high-pressure air source just the rock gas after the sampling analysis of low pressure can be carried out supercharging, therefore, gas ejector is used for supercharging re-injection after natural gas line endoparticle thing is sampled, can significantly reduce the consumption of the energy, and safe and reliable; Simultaneously, have simple in structure, convenience operation, realized the zero-emission of natural gas line endoparticle thing sample detecting process.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the structural representation of the utility model natural gas line endoparticle thing sampling back supercharging re-injection device.
Fig. 2: the structural representation that is connected with particulate matter sample detecting system 6 and natural gas line 7 for supercharging re-injection device of the present utility model.
Embodiment
Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1, the utility model proposes a kind of natural gas line endoparticle thing sampling back supercharging re-injection device 100, this supercharging re-injection device 100 includes gas ejector 1; The Working-fluid intaking 11 of described gas ejector 1 is connected with pressurized gas introduction pipeline 2, and this pressurized gas introduction pipeline 2 is communicated in a high-pressure air source 3, and in the present embodiment, described high-pressure air source 3 can be a gas cylinder; The driving fluid of described gas ejector 1 inlet 12 is connected with the gas introducing tube road 4 that is used to import the rock gas after the sample detecting; The outlet 13 of described gas ejector 1 is connected with re-injection pipeline 5.
In the present embodiment, as shown in Figure 2, the gas introducing tube road 4 of described supercharging re-injection device 100 is connected with the rock gas discharge pipe of particulate matter sample detecting system 6, this particulate matter sample detecting system 6 detects by extracting rock gas in the natural gas line 7, simultaneously, this re-injection pipeline 5 is communicated in natural gas line 7 again, form the rock gas loop of a sealing thus, the rock gas after the particulate matter sample detecting can be recycled in the natural gas line by supercharging re-injection device of the present utility model.
Natural gas line endoparticle thing of the present utility model sampling back supercharging re-injection method utilizes rock gas after 1 pair of particulate matter sampling analysis of gas ejector to carry out the supercharging re-injection just; This method is the Working-fluid intaking 11 that the pressurized gas in the high-pressure air source 3 is passed into gas ejector by pressurized gas introduction pipeline 2, rock gas after the particulate matter sample detecting is passed into the driving fluid inlet 12 of gas ejector by gas introducing tube road 4, the pressure of described pressurized gas is greater than the pressure of the rock gas that needs supercharging, pressurized gas flow out at a high speed by the nozzle (not shown) in the gas ejector 1, in the suction chamber of gas ejector, form negative pressure, rock gas after the sample detecting is inhaled in the suction chamber and supercharging, two fluid streams are mixed the outlet ejection of back from gas ejector mutually, are passed into by re-injection pipeline 5 and realize the gas boosting re-injection in the natural gas line 7.
From the above mentioned, rock gas after the utility model utilizes gas ejector to the particulate matter sampling analysis carries out the supercharging re-injection, owing to do not have movable member in the gas ejector, in use do not relate to lubricated and consume other energy, only need a spot of high-pressure air source just the rock gas after the sampling analysis of low pressure can be carried out supercharging, therefore, gas ejector is used for supercharging re-injection after natural gas line endoparticle thing is sampled, can significantly reduce the consumption of the energy, and safe and reliable; Simultaneously, have simple in structure, convenience operation, realized the zero-emission of natural gas line endoparticle thing sample detecting process.
Further, in the present embodiment, the pressurized gas in the described gas cylinder can be nitrogen or other do not influence the gas of rock gas long-distance transport pipes makings.Described pressurized gas introduction pipeline 2, gas introducing tube road 4 and re-injection pipeline 5 are provided with pressure-display instrument, flow displaying instrument and control corresponding valve.
In the present embodiment, as shown in Figure 1, be connected with stop valve 21, first pressure gauge 22, pressure regulator valve 23, second pressure gauge 24, flow transmitter 25, modulating valve 26 and one-way valve 27 in turn by gas flow direction in the described pressurized gas introduction pipeline 2; Wherein, utilize the opening and closing of described stop valve 21 these pipelines of control, utilize described modulating valve 26 to regulate the flow velocity and the flow of pressurized gas, the pressure of the pressurized gas of injection being used by described pressure regulator valve 23 is adjusted to an OK range, by the loine pressure before the 22 demonstration pressure regulation of first pressure gauge, by the loine pressure after the 24 demonstration pressure regulation of second pressure gauge.
Described gas introducing tube road 4 is connected with rock gas inlet shutoff valve 41, pressure gauge 42 and one-way valve 43 in turn by gas flow direction;
Described re-injection pipeline 5 is connected with pressure gauge 51, safety valve 52, one-way valve 53 and stop valve 54 in turn by gas flow direction.
In sum, the utlity model has following characteristics:
1. still do not have the means of supercharging re-injection at existing natural gas line endoparticle thing Sampling techniques, the utility model provides a kind of simple and reliable supercharging re-injection device and method, is applicable to the natural gas boosting re-injection after the sampling.
2. utilize gas ejector to substitute traditional pneumatic suction booster particulate matter sampling back rock gas is carried out supercharging, it is simple in structure, and is easy to operate, and does not relate to the problem of lubricated and consumes energy, can reduce operating cost greatly.
3. supercharging re-injection device of the present utility model can be regulated the pressure of the required high-pressure air source of supercharging according to the natural gas line pressure of particulate matter sampling, finishes pressurization.
4. supercharging re-injection device of the present utility model can satisfy under the active service natural gas line pressure demand of re-injection supercharging after the particulate matter sample detecting.
5. supercharging re-injection device of the present utility model is particularly suitable for using in field, the long defeated station of the rock gas of the remote districts that lack electric power facility, does not need the additive decrementation electric energy, and operation is simple and reliable
6. the simple volume of supercharging re-injection apparatus structure of the present utility model is urinated and can be arrived with the sample detecting system intergration in carrying, and forms the portable equipment of a cover.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims (5)

1. supercharging re-injection device after a natural gas line endoparticle thing is sampled, it is characterized in that: this supercharging re-injection device includes gas ejector; The Working-fluid intaking of described gas ejector is connected with the pressurized gas introduction pipeline, and this pressurized gas introduction pipeline is communicated in high-pressure air source; The driving fluid of described gas ejector inlet is connected with the gas introducing tube road that is used to import the rock gas after the sample detecting; The outlet of described gas ejector is connected with the re-injection pipeline.
2. natural gas line endoparticle thing sampling back supercharging re-injection device as claimed in claim 1, it is characterized in that: this gas introducing tube road is connected with the rock gas discharge pipe of particulate matter sample detecting system; This re-injection pipeline connection is in natural gas line.
3. natural gas line endoparticle thing sampling back supercharging re-injection device as claimed in claim 1, it is characterized in that: described high-pressure air source is a gas cylinder, the pressurized gas in this gas cylinder are nitrogen; The pressure of pressurized gas is greater than the pressure of the rock gas that needs supercharging.
4. natural gas line endoparticle thing sampling back supercharging re-injection device as claimed in claim 1, it is characterized in that: described pressurized gas introduction pipeline, gas introducing tube road and re-injection pipeline comprise pressure-display instrument, flow displaying instrument and control corresponding valve at least.
5. natural gas line endoparticle thing sampling back supercharging re-injection device as claimed in claim 4, it is characterized in that: described pressurized gas introduction pipeline is connected with stop valve, first pressure gauge, pressure regulator valve, second pressure gauge, flow transmitter, modulating valve and one-way valve in turn by gas flow direction; Described gas introducing tube road is connected with rock gas inlet shutoff valve, pressure gauge and one-way valve in turn by gas flow direction; Described re-injection pipeline is connected with pressure gauge, safety valve, one-way valve and stop valve in turn by gas flow direction.
CN 201120111653 2011-04-15 2011-04-15 Pressure boost and reinjection device after sampling of particulate matter in natural gas pipe Expired - Fee Related CN202040538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120111653 CN202040538U (en) 2011-04-15 2011-04-15 Pressure boost and reinjection device after sampling of particulate matter in natural gas pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120111653 CN202040538U (en) 2011-04-15 2011-04-15 Pressure boost and reinjection device after sampling of particulate matter in natural gas pipe

Publications (1)

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CN202040538U true CN202040538U (en) 2011-11-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200219A (en) * 2011-04-15 2011-09-28 中国石油大学(北京) Method for supercharging and refilling after sampling of particulate matter in gas pipeline and device
CN103234118A (en) * 2013-04-24 2013-08-07 辽宁石油化工大学 Liquefaction peak regulation method and device utilizing pressure energy of natural gas high-pressure pipe network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200219A (en) * 2011-04-15 2011-09-28 中国石油大学(北京) Method for supercharging and refilling after sampling of particulate matter in gas pipeline and device
CN103234118A (en) * 2013-04-24 2013-08-07 辽宁石油化工大学 Liquefaction peak regulation method and device utilizing pressure energy of natural gas high-pressure pipe network

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111116

Termination date: 20120415