CN203308663U - Power generation system for compressed natural gas conveying pipeline - Google Patents
Power generation system for compressed natural gas conveying pipeline Download PDFInfo
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- CN203308663U CN203308663U CN2013203435006U CN201320343500U CN203308663U CN 203308663 U CN203308663 U CN 203308663U CN 2013203435006 U CN2013203435006 U CN 2013203435006U CN 201320343500 U CN201320343500 U CN 201320343500U CN 203308663 U CN203308663 U CN 203308663U
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- natural gas
- compressed natural
- power generation
- conveyance conduit
- generation system
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Abstract
The utility model discloses a power generation system for a compressed natural gas conveying pipeline. The power generation system comprises a conveying pipeline for conveying compressed natural gas and at least one power generation branch pipe for generating power, wherein the power generation branch pipes are arranged on the conveying pipeline in parallel and are communicated with one another; a pipeline section, which is connected with the power generation branch pipes in parallel, of the conveying pipeline is provided with a decompression valve set for decompressing. Each power generation branch pipe is sequentially provided with a first check valve, a heater, a screw rod power generator set, a cooler and a second check valve along the conveying direction of compressed natural gas. According to the power generation system disclosed by the utility model, the power generation branch pipes are used for effectively utilizing high-pressure potential energy of compressed natural gas and the high-pressure potential energy in the conveying pipeline is guided by the structure to drive the screw rod power generator set to generate power, so that the waste of the high-pressure potential energy of the system is greatly reduced and the high-pressure potential energy in the compressed natural gas conveying pipeline is effectively utilized to generate power to the outside; high-pressure potential energy, which is wasted by a decompression valve in the prior art, is utilized reasonably and the waste of energy sources is avoided.
Description
Technical field
The utility model relates to the technical field of power generation system, relates in particular to a kind of power generation system for the compressed natural gas conveyance conduit.
Background technique
Compressed natural gas (Compressed Natural Gas is called for short CNG) finger pressure is reduced to the gaseous natural gas that pressure is more than or equal to 10MPa and is not more than 25MPa, is that rock gas pressurizes and is stored in container with gaseous state.
At present, conventional compression gas utilization technique is mostly used is that as shown in Figure 1 compressed natural gas utilizes system, described compressed natural gas utilizes system to be widely used in current CNG operation, after 101 preheatings of raw material CNG heater via, enter pressure-regulating box 102, after step-down, enter in pressure maintaining valve 103 and stablize gas pressure, finally enter the user's gas system.High pressure potential energy at this depressurizing system Central Plains high-pressure natural gas is wasted fully, fails effectively to utilize.
Therefore, those skilled in the art is devoted to develop a kind of high pressure potential energy that can effectively utilize in the compressed natural gas course of conveying, avoids the power generation system for the compressed natural gas conveyance conduit of energy waste.
The model utility content
Because the above-mentioned defect of prior art, the utility model provides a kind of high pressure potential energy that can effectively utilize in the compressed natural gas course of conveying, avoids the power generation system for the compressed natural gas conveyance conduit of energy waste.
For achieving the above object, the utility model provides a kind of power generation system for the compressed natural gas conveyance conduit, comprise conveyance conduit and at least one generating arm for generating for delivery of compressed natural gas, the conducting in parallel of described generating arm is arranged on described conveyance conduit, on the pipeline section in parallel with described generating arm, is provided with the reduction valve group for decompression in described conveyance conduit.
Throughput direction along described compressed natural gas on described generating arm is disposed with: be used to the first stop valve of cutting off pipeline, be used to the heater that heats compressed natural gas, for the screw rod generator set of generating, for the cooler of cooled compressed rock gas be used to cutting off the second stop valve of pipeline.
Preferably, described generating arm is more than 2, and whole described generating arms all are arranged in parallel on the same pipeline section of described conveyance conduit.
Preferably, described generating arm is more than 2, and each described generating arm is arranged in parallel respectively on the different pipe sections of described conveyance conduit, and on each described pipeline section, equal correspondence is provided with a described reduction valve group.
The utility model is as follows for the main beneficial effect of the power generation system of compressed natural gas conveyance conduit:
The utility model has adopted the generating arm effectively to utilize the high pressure potential energy of compressed natural gas, by said structure, guide the high pressure potential energy in described conveyance conduit to drive generating to the screw rod generator set, reduce widely the waste of the high pressure potential energy of system, effectively utilize the high pressure potential energy in the compressed natural gas conveyance conduit externally to generate electricity, the high pressure potential energy of originally wasting by reduction valve is rationally utilized, avoid the waste of the energy.
Simultaneously, the utility model can also be according to the high pressure potential energy situation of electricity consumption needs or different pipe sections, in different pipe sections corresponding generating arm and the reduction valve group of conveyance conduit.If pressure reduction is larger or required more for electric position on same pipeline section, can be adaptive in parallel connection on same pipeline section a plurality of generating arms, further improve practicability of the present utility model.
Below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, be described further, to understand fully the purpose of this utility model, feature and effect.
The accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, CNG utilizes system.
Fig. 2 is the structural representation of the present embodiment for the power generation system of compressed natural gas conveyance conduit.
Fig. 3 is the structural representation of other embodiments for the power generation system of compressed natural gas conveyance conduit.
Fig. 4 is the structural representation of other embodiments for the power generation system of compressed natural gas conveyance conduit.
Embodiment
Fig. 2 is the structural representation of the present embodiment for the power generation system of compressed natural gas conveyance conduit.As shown in Figure 2, a kind of power generation system for the compressed natural gas conveyance conduit of a specific embodiment of the present utility model, comprise conveyance conduit 100 and at least one generating arm 200 for generating for delivery of compressed natural gas, generating arm 200 conducting in parallel is arranged on conveyance conduit 100, on the pipeline section in parallel with generating arm 200, is provided with the reduction valve group 300 for decompression in conveyance conduit 100.
Wherein, on generating arm 200, be disposed with along the throughput direction of described compressed natural gas: be used to the first stop valve 201 of cutting off pipeline, be used to the heater 202 that heats compressed natural gas, for the screw rod generator set 203 of generating, for the cooler 204 of cooled compressed rock gas be used to cutting off the second stop valve 205 of pipeline.
Concrete, as shown in Figure 2, the power generation system for the compressed natural gas conveyance conduit of the present embodiment adopts the conducting in parallel of a generating arm 200 to be arranged on conveyance conduit 100 and generates electricity, in conveyance conduit 100 with on generating arm 200 pipeline section in parallel, a reduction valve group 300 that is useful on decompression is set, to guarantee the power generation system safe and stable operation.
Exemplary, the concrete applicable cases of the present embodiment is as follows:
Compressed natural gas in conveyance conduit 100 is delivered to the interior further heating of heater 202 through the first stop valve defeated 201 and has been strengthened its high pressure potential energy, then export compressed natural gas with high pressure potential energy in screw rod generator set 203, effectively drive screw generator set 203 generates electricity, the compressed natural gas that consumes the high pressure potential energy through screw rod generator set 203 again in described screw rod generator set 203 output be connected to cooler 204 and carry out coolingly, through cooled compressed natural gas, by the second stop valve 205, be connected to the user again and use the gas end.
Fig. 3 and Fig. 4 are the structural representation of other embodiments for the power generation system of compressed natural gas conveyance conduit.As shown in Figure 3 and Figure 4, in other specific embodiments, described generating arm is more than 2, can be as shown in Figure 3, and two generating arms 200 all are arranged in parallel on the same pipeline section of conveyance conduit 100.
In other embodiments, also can be as shown in Figure 4, two generating arms 200 are arranged in parallel respectively on the different pipe sections of conveyance conduit 100, and on each described pipeline section, equal correspondence is provided with a reduction valve group 300.Can also adopt other generating arms more than two to be connected in parallel on the identical or different pipeline section of described conveyance conduit, can also alternately arrange as required simultaneously, the arm that partly generates electricity is connected in parallel on same pipeline section, and the arm that partly generates electricity is connected in parallel on different pipe sections, just repeats no more herein.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (3)
1. power generation system for the compressed natural gas conveyance conduit, it is characterized in that: comprise conveyance conduit and at least one generating arm for generating for delivery of compressed natural gas, the conducting in parallel of described generating arm is arranged on described conveyance conduit, on the pipeline section in parallel with described generating arm, is provided with the reduction valve group for decompression in described conveyance conduit;
Throughput direction along described compressed natural gas on described generating arm is disposed with: be used to the first stop valve of cutting off pipeline, be used to the heater that heats compressed natural gas, for the screw rod generator set of generating, for the cooler of cooled compressed rock gas be used to cutting off the second stop valve of pipeline.
2. the power generation system for the compressed natural gas conveyance conduit as claimed in claim 1, it is characterized in that: described generating arm is more than 2, whole described generating arms all are arranged in parallel on the same pipeline section of described conveyance conduit.
3. the power generation system for the compressed natural gas conveyance conduit as claimed in claim 1, it is characterized in that: described generating arm is more than 2, each described generating arm is arranged in parallel respectively on the different pipe sections of described conveyance conduit, and on each described pipeline section, equal correspondence is provided with a described reduction valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203435006U CN203308663U (en) | 2013-06-17 | 2013-06-17 | Power generation system for compressed natural gas conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203435006U CN203308663U (en) | 2013-06-17 | 2013-06-17 | Power generation system for compressed natural gas conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203308663U true CN203308663U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203435006U Expired - Fee Related CN203308663U (en) | 2013-06-17 | 2013-06-17 | Power generation system for compressed natural gas conveying pipeline |
Country Status (1)
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| CN (1) | CN203308663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757057A (en) * | 2018-06-13 | 2018-11-06 | 郑州朗润智能装备股份有限公司 | It can multigroup connection in series-parallel natural gas line differential pressure generating device |
| CN112761732A (en) * | 2021-01-27 | 2021-05-07 | 贵州航天天马机电科技有限公司 | Series screw type natural gas depressurization power generation system |
-
2013
- 2013-06-17 CN CN2013203435006U patent/CN203308663U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757057A (en) * | 2018-06-13 | 2018-11-06 | 郑州朗润智能装备股份有限公司 | It can multigroup connection in series-parallel natural gas line differential pressure generating device |
| CN112761732A (en) * | 2021-01-27 | 2021-05-07 | 贵州航天天马机电科技有限公司 | Series screw type natural gas depressurization power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160617 |