CN111139113B - Distributed natural gas heating system for energy station - Google Patents
Distributed natural gas heating system for energy station Download PDFInfo
- Publication number
- CN111139113B CN111139113B CN201911315577.0A CN201911315577A CN111139113B CN 111139113 B CN111139113 B CN 111139113B CN 201911315577 A CN201911315577 A CN 201911315577A CN 111139113 B CN111139113 B CN 111139113B
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- natural gas
- heating
- box
- heating system
- deoxidation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
Abstract
The invention discloses a distributed natural gas heating system for an energy station, which comprises two deaerators, wherein the deaerators are used for removing oxygen contained in natural gas, the air inlet ends of the two deaerators are connected with an air inlet three-way electromagnetic valve, the air outlets of the two deaerators are commonly connected with an air outlet three-way electromagnetic valve, the output end of the air outlet three-way electromagnetic valve is connected with a heating box through a connecting conduit, a plurality of heating plates are uniformly arranged in the heating box from top to bottom, a plurality of filtering holes are uniformly arranged on the heating plates, an airflow exchange fan is rotatably arranged below each heating plate, and the airflow exchange fan is fixedly arranged on the inner wall of the heating box through a support frame. The explosion of the natural gas in the heating process is effectively avoided, and the safety of the natural gas heating process is greatly improved.
Description
Technical Field
The invention relates to the technical field of heating systems, in particular to a natural gas heating system of a distributed energy station.
Background
Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the air space, water space and rock space (including oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like). Natural gas is trapped in underground porous rock formations, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenic gas, and the like, and a small amount of natural gas is also released from the coal bed. It is a high-quality fuel and chemical raw material. The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is composed mainly of gaseous low molecular hydrocarbons mixed with non-hydrocarbon gases.
However, in the use process of the existing natural gas heating system for the distributed energy station, the natural gas to be heated is not subjected to deoxidation treatment, the content of oxygen in the natural gas is high, explosion is easy to occur in the natural gas heating process, and the safety is low, so that certain defects exist.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a distributed natural gas heating system for an energy station, which can absorb oxygen contained in natural gas, reduce the concentration of the oxygen in the natural gas and ensure the safety of natural gas heating.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a distributed natural gas heating system for an energy station comprises two deoxygenators, wherein the deoxygenators are used for removing oxygen contained in natural gas, the number of the oxygen inlet ends of the deoxygenators is two, the air outlet ends of the deoxygenators are connected with an air inlet three-way solenoid valve, the air outlet ends of the deoxygenators are jointly connected with an air outlet three-way solenoid valve, the output ends of the air outlet three-way solenoid valve are connected with a heating box through connecting pipes, a plurality of heating plates are uniformly arranged in the heating box from top to bottom, a plurality of filtering holes are uniformly formed in the heating plates, an air exchange fan is rotatably arranged below each heating plate, and the air exchange fan is fixedly installed on the inner wall of the heating box through a support frame.
Preferably, in the above natural gas heating system of the distributed energy station, the deoxygenator includes a deoxygenation box, a transmission lead screw is movably mounted in the deoxygenation box, the top end of the transmission lead screw penetrates through the top surface of the deoxygenation box and is connected with a driving motor in a transmission manner, a transmission sleeve is mounted on the transmission lead screw in a threaded manner, an oxygen absorption assembly is detachably mounted on the transmission sleeve through a threaded connection sleeve, and the oxygen absorption assembly is connected with the inner wall of the deoxygenation box in a vertical sliding manner.
Preferably, in the natural gas heating system of the distributed energy resource station, the oxygen absorption assembly includes an absorption mesh screen, a mounting hole matched with the transmission sleeve is formed in the center of the absorption mesh screen, and silica gel for absorbing oxygen components in natural gas is filled in the absorption mesh screen.
Preferably, in the natural gas heating system of the distributed energy resource station, a limiting column is arranged on the circumferential surface of the side of the absorption mesh screen, and a positioning chute matched with the limiting column is vertically arranged on the inner wall of the deoxidation box.
Preferably, in the above natural gas heating system for a distributed energy resource station, the absorption mesh screen is attached to and in sliding contact with the inner wall of the deoxidation box.
Preferably, in the natural gas heating system of the distributed energy resource station, an air inlet check valve is arranged at an air inlet of the deoxygenator, and an air outlet check valve is arranged at an air outlet of the deoxygenator.
Preferably, in the natural gas heating system of the distributed energy resource station, an observation window is arranged on the front side surface of the deoxidation box.
The invention has the beneficial effects that:
the natural gas heating device is reasonable in structural design, and the oxygen in the natural gas is absorbed in a pressurizing mode, so that the concentration of the oxygen content in the natural gas is greatly reduced, the natural gas is effectively prevented from exploding in the heating process, and the safety of the natural gas in the heating process is greatly improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the deoxygenator configuration of the present invention;
FIG. 3 is a schematic view of the construction of an oxygen absorbing assembly of the present invention;
FIG. 4 is a schematic view of the external structure of the deoxidation tank of the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-deoxygenator; 2-air inlet three-way electromagnetic valve; 3-an air outlet three-way electromagnetic valve; 4-connecting a catheter; 5-heating the box; 6-heating plate; 7-filtering holes; 8-an airflow exchange fan; 9-a support frame; 10-a deoxidation tank; 11-a transmission screw rod; 12-a drive motor; 13-a transmission sleeve; 14-an oxygen absorbing component; 15-an absorption mesh screen; 16-mounting holes; 17-silica gel; 18-a spacing post; 19-positioning chute; 20-air inlet check valve; 21-air outlet one-way valve; 22-observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is a distributed natural gas heating system for an energy station, which includes two deoxygenators 1, the deoxygenators 1 are used for removing oxygen contained in natural gas, an air inlet check valve 20 is disposed at an air inlet of the deoxygenators 1, an air outlet check valve 21 is disposed at an air outlet of the deoxygenators 1, an air inlet three-way solenoid valve 2 is connected to the air inlet of the two deoxygenators 1, the air outlets of the two deoxygenators 1 are commonly connected to an air outlet three-way solenoid valve 3, an output end of the air outlet three-way solenoid valve 3 is connected to a heating box 5 through a connecting conduit 4, a plurality of heating plates 6 are uniformly disposed in the heating box 5 from top to bottom, a plurality of filtering holes 7 are uniformly disposed on the heating plates 6, an air flow exchanging fan 8 is rotatably disposed below each heating plate 6, the air flow exchanging fan 8 is fixedly mounted on an inner wall of the heating box 5 through a support frame 9, the deoxygenators 1 includes a deoxygenating box 10, the front side of the deoxidation box 10 is provided with an observation window 22, the movable mounting of the deoxidation box 10 is provided with a transmission screw rod 11, the top end of the transmission screw rod 11 penetrates the top surface of the deoxidation box 10 and is connected with a driving motor 12 in a transmission manner, a transmission sleeve 13 is installed on the transmission screw rod 11 in a threaded manner, an oxygen absorption assembly 14 is detachably installed on the transmission sleeve 13 through a threaded connection sleeve, the oxygen absorption assembly 14 is in vertical sliding connection with the inner wall of the deoxidation box 10, the oxygen absorption assembly 14 comprises an absorption mesh screen 15, the center of the absorption mesh screen 15 is provided with a mounting hole 16 matched with the transmission sleeve 13, the absorption mesh screen 15 is internally filled with silica gel 17 for absorbing oxygen components in natural gas, a limiting column 18 is arranged on the circumferential surface of the side of the absorption mesh screen 15, a positioning sliding chute 19 matched with the limiting column 18 is vertically arranged on the inner wall of the deoxidation box 10, and the absorption mesh screen 15 is in fit and sliding contact with the inner wall of the deoxidation box 10.
The natural gas heating device is reasonable in design, the oxygen absorption assembly 14 which is in threaded connection with the transmission screw rod 11 with the reciprocating threads does reciprocating up-and-down motion under the driving of the driving motor 12, and as the speed of natural gas passing through the oxygen absorption assembly 14 is smaller than the descending compression speed of the oxygen absorption assembly 14, the natural gas is compressed, the gas pressure is increased, the absorption of silica gel 17 on oxygen in the natural gas is accelerated, the content of oxygen in the natural gas can be effectively reduced, and the safety of natural gas heating is ensured. The natural gas heating device is reasonable in structural design, and the oxygen in the natural gas is absorbed in a pressurizing mode, so that the concentration of the oxygen content in the natural gas is greatly reduced, the natural gas is effectively prevented from exploding in the heating process, and the safety of the natural gas in the heating process is greatly improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a distributed energy resource station natural gas heating system which characterized in that: the natural gas oxygen removing device comprises two deoxygenators (1), wherein the deoxygenators (1) are used for removing oxygen contained in natural gas, the air inlet ends of the two deoxygenators (1) are connected with an air inlet three-way electromagnetic valve (2), the air outlets of the two deoxygenators (1) are jointly connected with an air outlet three-way electromagnetic valve (3), the output end of the air outlet three-way electromagnetic valve (3) is connected and installed with a heating box (5) through a connecting pipe (4), a plurality of heating plates (6) are uniformly arranged in the heating box (5) from top to bottom, a plurality of filtering holes (7) are uniformly formed in the heating plates (6), an air flow exchange fan (8) is rotatably arranged below each heating plate (6), and the air flow exchange fan (8) is fixedly installed on the inner wall of the heating box (5) through a support frame (9);
deoxygenator (1) includes deoxidation case (10), movable mounting has drive screw (11) in deoxidation case (10), drive screw (11) top is passed deoxidation case (10) top surface and transmission are connected with driving motor (12), drive screw (11) are gone up the screw thread and are installed transmission cover (13), transmission cover (13) have oxygen absorption subassembly (14) through threaded connection cover demountable installation, just oxygen absorption subassembly (14) with sliding connection about deoxidation case (10) inner wall.
2. The distributed energy plant natural gas heating system of claim 1, wherein: the oxygen absorption assembly (14) comprises an absorption mesh screen (15), a mounting hole (16) matched with the transmission sleeve (13) is formed in the center of the absorption mesh screen (15), and silica gel (17) used for absorbing oxygen components in natural gas is filled in the absorption mesh screen (15).
3. The distributed energy plant natural gas heating system of claim 2, wherein: the absorption mesh screen (15) side is provided with a spacing column (18) on the circumferential surface, and the inner wall of the deoxidation box (10) is vertically provided with a positioning chute (19) matched with the spacing column (18).
4. The distributed energy plant natural gas heating system of claim 2, wherein: the absorption mesh screen (15) is attached to the inner wall of the deoxidation box (10) and is in sliding contact with the inner wall.
5. The distributed energy plant natural gas heating system of claim 1, wherein: an air inlet one-way valve (20) is arranged at an air inlet of the deoxygenator (1), and an air outlet one-way valve (21) is arranged at an air outlet of the deoxygenator (1).
6. The distributed energy plant natural gas heating system of claim 1, wherein: an observation window (22) is arranged on the front side surface of the deoxidation box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315577.0A CN111139113B (en) | 2019-12-19 | 2019-12-19 | Distributed natural gas heating system for energy station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315577.0A CN111139113B (en) | 2019-12-19 | 2019-12-19 | Distributed natural gas heating system for energy station |
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| CN111139113A CN111139113A (en) | 2020-05-12 |
| CN111139113B true CN111139113B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911315577.0A Active CN111139113B (en) | 2019-12-19 | 2019-12-19 | Distributed natural gas heating system for energy station |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3313092A (en) * | 1963-05-17 | 1967-04-11 | Dryvent Ltd | Apparatus for fractionating gaseous mixtures |
| CN101539362A (en) * | 2009-04-03 | 2009-09-23 | 西安交通大学 | Multi-stage inflated distribution type natural gas liquefying system considering total energy system |
| CN101591579A (en) * | 2009-05-13 | 2009-12-02 | 赵昱 | Method for deoxidizing and concentrating mine gas |
| CN102060270A (en) * | 2010-11-23 | 2011-05-18 | 苏州竞立制氢设备有限公司 | Deoxidation and drying integrated purifier |
| CN203639436U (en) * | 2013-12-20 | 2014-06-11 | 南京碳环生物质能源有限公司 | Biomass gas deoxidation complete device |
| CN106440658A (en) * | 2016-09-27 | 2017-02-22 | 上海安恩吉能源科技有限公司 | Combination process for preparing liquefied natural gas (LNG) through high-oxygen-content and high-nitrogen-content coalbed methane |
| CN107741006A (en) * | 2017-11-21 | 2018-02-27 | 宁波和盛达能源科技有限公司 | A kind of combustion gas distributed busbar protection |
| CN208983324U (en) * | 2018-09-06 | 2019-06-14 | 武汉大方机电有限公司 | Pressure type membrane deaerator |
-
2019
- 2019-12-19 CN CN201911315577.0A patent/CN111139113B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3313092A (en) * | 1963-05-17 | 1967-04-11 | Dryvent Ltd | Apparatus for fractionating gaseous mixtures |
| CN101539362A (en) * | 2009-04-03 | 2009-09-23 | 西安交通大学 | Multi-stage inflated distribution type natural gas liquefying system considering total energy system |
| CN101591579A (en) * | 2009-05-13 | 2009-12-02 | 赵昱 | Method for deoxidizing and concentrating mine gas |
| CN102060270A (en) * | 2010-11-23 | 2011-05-18 | 苏州竞立制氢设备有限公司 | Deoxidation and drying integrated purifier |
| CN203639436U (en) * | 2013-12-20 | 2014-06-11 | 南京碳环生物质能源有限公司 | Biomass gas deoxidation complete device |
| CN106440658A (en) * | 2016-09-27 | 2017-02-22 | 上海安恩吉能源科技有限公司 | Combination process for preparing liquefied natural gas (LNG) through high-oxygen-content and high-nitrogen-content coalbed methane |
| CN107741006A (en) * | 2017-11-21 | 2018-02-27 | 宁波和盛达能源科技有限公司 | A kind of combustion gas distributed busbar protection |
| CN208983324U (en) * | 2018-09-06 | 2019-06-14 | 武汉大方机电有限公司 | Pressure type membrane deaerator |
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