CN111503518B - Safe conveying process system for comprehensive utilization of gas in abandoned mine - Google Patents
Safe conveying process system for comprehensive utilization of gas in abandoned mine Download PDFInfo
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- CN111503518B CN111503518B CN202010293484.9A CN202010293484A CN111503518B CN 111503518 B CN111503518 B CN 111503518B CN 202010293484 A CN202010293484 A CN 202010293484A CN 111503518 B CN111503518 B CN 111503518B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- General Engineering & Computer Science (AREA)
- Air Transport Of Granular Materials (AREA)
- Pipeline Systems (AREA)
Abstract
The safe transportation process system for the comprehensive utilization of the waste mine gas achieves the effects of gas purification and long-distance safe transportation through automatic emission, radar water seal flame arrester, silk screen filter, WGZ type pipeline flame arrester, sleeve water seal safe emission, remote electric control valve, water mist generator, remote cut-off electric butterfly valve, tail end pressure stabilizing sleeve water seal safe emission, condenser, overflow water seal fire arrester and other equipment during the transportation of the gas. In the whole conveying process, a sensor is adopted to perform centralized data analysis control operation through a DCS background control system, so that remote monitoring is realized. The gas safety monitoring system has the advantages that the gas safety technical measures are adopted for the gas of the abandoned mine, the long-distance safety conveying guarantee is achieved through remote monitoring and data analysis, accidents are avoided, and the gas safety utilization of the abandoned mine is achieved.
Description
Technical Field
The invention belongs to the technical field of waste mine gas utilization, and particularly relates to a positive-pressure long-distance safe conveying process system directly applied to waste mine gas comprehensive utilization.
Background
At present, most of known coal mine gas conveying devices and methods are suitable for productive coal mines. In recent years, the shutdown of coal mines is continuously increased, the number of abandoned mines is large, the area of a goaf of the coal mine is large, the quantity of underground residual coal is large, and the potential of the development of gas resources of the abandoned coal mine is huge. However, because the component content of the gas in the abandoned mine is different from the component content of the gas in the produced coal mine, the system has larger potential safety hazard in the direct transportation and utilization under the condition of not ensuring the safety measures, and therefore, the system adopts the safety technical measures to ensure the long-distance safe transportation of the gas in the abandoned mine.
Disclosure of Invention
In order to safely convey and utilize the gas in the abandoned mine, the invention provides a safe conveying process system for comprehensively utilizing the gas in the abandoned mine
And the data is monitored and adjusted to ensure the long-distance safe transportation of the gas in the abandoned mine.
The technical scheme adopted by the invention for solving the technical problem is as follows: the safe conveying process system for comprehensive utilization of waste mine gas is characterized in that a first pipeline is designed with a gas treatment device in the conveying process: the gas inlet and exhaust pipe, the radar water seal flame arrester, the silk screen filter, the WGZ type pipeline flame arrester, the sleeve water seal safety relief and the remote cut-off electric butterfly valve are sequentially connected, and an air inlet pressure stabilizing electric butterfly valve and an air inlet main valve for controlling gas are arranged between the gas inlet and exhaust pipe and the radar water seal flame arrester; back end pipeline, be connected with water smoke generator after the long-range electric butterfly valve that cuts off promptly, condenser and overflow water seal flame arrester, install manual gate valve in proper order between water smoke generator and condenser, terminal steady voltage sleeve pipe water seal safety diffuses, terminal electric butterfly valve, terminal gas evacuation pipe and dry-type spark arrester, gaseous passing through radar water seal flame arrester and silk screen filter reaches gaseous purification, safety protection, sleeve pipe water seal safety diffuses volume and the high control gas conveying system limit for height pressure through internal water, play the protection, the control action, WGZ type pipeline spark arrester, long-range electric butterfly valve that cuts off mainly plays back the back-fire relief and the isolation is cut off to quick system, prevent the accident enlargement, thereby reach system protection and gas purification and long distance safety transport effect.
In the whole conveying process, a sensor is adopted to perform centralized data analysis control operation through a DCS background control system, so that remote monitoring is realized. The gas safety monitoring system has the advantages that the gas safety technical measures are adopted for the gas of the abandoned mine, the long-distance safety conveying guarantee is achieved through remote monitoring and data analysis, accidents are avoided, and the gas safety utilization of the abandoned mine is achieved.
Abandonment mine gas is taken out through pump station negative pressure, malleation is carried to the user end, in order to ensure in the transportation process atmospheric pressure stable, safety transport reaches the purpose of utilizing, the first section is installed automatic diffuse additional, play the system steady voltage, pump station safety protection effect, in the transportation process, design installation radar water seal spark arrester, WGZ type pipeline spark arrester, sleeve pipe water seal safety diffuse safety equipment, mainly play the system back-fire relief, prevent tempering effect, sleeve pipe water seal safety diffuses the volume height through water and seals gas, exceed certain pressure that sets up, can automatic release, can guarantee gas in transportation process system steady voltage, reach safety protection effect. And a wire mesh filter is additionally arranged for filtering and purifying the gas. In the conveying process, the water mist generator is used for cooling the gas and preventing static electricity from being generated, so that the long-distance safe conveying effect is achieved. In order to ensure the gas drying before the gas conversion energy, the tail end is subjected to gas-water separation, a condenser and an overflow water-blocking fire arrester are adopted to fully separate the gas moisture, the gas drying is achieved, and the tail end is additionally provided with automatic diffusion to control the operating pressure of a use end. The whole conveying process adopts a sensor to carry out centralized data analysis control operation through a DCS control system, so that remote monitoring is realized, and safe gas conveying is ensured.
The invention has the beneficial effects that: the gas safety monitoring system can ensure that the gas in the abandoned mine can be safely conveyed in a long distance through safety technical measures, remote monitoring and data analysis, avoid accidents and realize the safe recycling of the gas in the abandoned mine.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. the system comprises a gas inlet emptying pipe, a gas inlet pressure stabilizing electric butterfly valve, a gas inlet main valve, a radar water seal flame arrester, a silk screen filter, a pipeline flame arrester in type 6, WGZ, a pressure stabilizing sleeve water seal safety release in type 7, a conveying system pressure stabilizing sleeve water seal safety release, a remote cut-off electric butterfly valve, a water mist generator in type 9, a manual gate valve in type 10, a tail end pressure stabilizing sleeve water seal safety release in type 11, a tail end electric butterfly valve in type 12, a tail end gas emptying pipe in type 13, a dry flame arrester in type 14, a condenser in type 15 and an overflow water seal flame arrester in type 16.
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the gas of the abandoned mine is comprehensively utilized and safely transported, and in the transportation process, a gas treatment device is designed at the first pipeline: the gas inlet and exhaust pipe 1, the radar water seal flame arrester 4, the wire mesh filter 5, the WGZ type pipeline flame arrester 6, the sleeve water seal safety relief 7 and the remote cut-off electric butterfly valve 8 are sequentially connected, and an air inlet pressure stabilizing electric butterfly valve 2 and an air inlet main valve 3 for controlling gas are arranged between the gas inlet and exhaust pipe 1 and the radar water seal flame arrester 4; the rear pipeline, namely the water mist generator 9, the condenser 15 and the overflow water seal flame arrester 16 are connected after the electric butterfly valve 8 is cut off remotely, and a manual gate valve 10, a tail end pressure stabilizing sleeve water seal safety relief 11, a tail end electric butterfly valve 12, a tail end gas emptying pipe 13 and a dry type flame arrester 14 are sequentially arranged between the water mist generator 9 and the condenser 15.
The gas inlet and exhaust pipe 1 has the functions: firstly, in order to meet the pressure requirement of a gas conveying system, the pressure of the system is controlled to be limited, the gas is discharged at high pressure, the comprehensive utilization process pressure range of the gas is ensured, and the safety and the stability are realized; and secondly, if the gas conveying system is stopped to be operated and maintained, the gas emptying pipe at the position can be opened to empty the gas, so that the safe and stable drainage operation of the gas pumping station is ensured.
The function of the air inlet pressure stabilizing electric butterfly valve 2 is as follows: firstly, setting the system pressure, adjusting the opening of a valve to realize high-pressure discharge and low-pressure closing, and ensuring the safety and stability of the pressure of a gas conveying system; secondly, the remote operation is convenient, if the system fails, the gas conveying system is subjected to pressure building, the pressure can be quickly adjusted and relieved through the valve, and the accident enlargement is prevented.
The main gas inlet valve 3 is a main gas inlet valve of the gas conveying system, and can realize system cut-off and guarantee safe drainage operation of a gas pump station during maintenance of the system.
The gas passes through the radar water seal flame arrester 4 and the silk screen filter 5 to achieve the effects of gas purification and safety protection.
The sleeve water seal safety relief 7 controls the height limit pressure of the gas conveying system through the volume and height of water in the body, and plays a role in protection and control.
WGZ type pipeline flame arrester 6 and remote cut-off electric butterfly valve 8 mainly play the role of fire arresting and quick system cut-off isolation, prevent accident enlargement, thereby achieving system protection.
When the manual gate valve 10 is used for maintaining system equipment, on-site cutting and isolation can be performed, and operation is convenient.
The water seal of the tail end pressure stabilizing sleeve pipe is safely released 11, and in the process of conveying and running gas, if power generation equipment and other processes are adjusted, in order to ensure that other equipment normally runs, the requirement of safe process pressure is met, and the safety protection function is achieved.
Function of the end electric butterfly valve 12: firstly, in order to realize the pressure stability of a gas conveying system, the opening of a valve is adjusted to stabilize the pressure of the system through the pressure setting of a conveying tail end system, and the process requirement of a utilization end pressure index is met. Secondly, remote operation is facilitated, if the utilization end fails to work, the tail end of the system is subjected to pressure holding, pressure relief can be quickly adjusted through the valve, and accident enlargement is prevented.
The function of the terminal gas evacuation pipe 13: according to the use requirement of the tail gas quantity, high-pressure discharge is realized through the on-off control of an electric butterfly valve, and the requirement of the system for meeting the use pressure index is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The safe conveying process system for comprehensively utilizing the gas in the abandoned mine is characterized in that a gas treatment device is designed on a first section pipeline in the conveying process: the gas inlet and exhaust pipe, the radar water seal flame arrester, the silk screen filter, the WGZ type pipeline flame arrester, the sleeve water seal safety relief and the remote cut-off electric butterfly valve are sequentially connected, and an air inlet pressure stabilizing electric butterfly valve and an air inlet main valve for controlling gas are arranged between the gas inlet and exhaust pipe and the radar water seal flame arrester; back end pipeline, be connected with the water smoke generator after the long-range electric butterfly valve that cuts off promptly, condenser and overflow water seal flame arrester, install manual gate valve in proper order between water smoke generator and condenser, terminal steady voltage sleeve pipe water seal safety diffuses, terminal electric butterfly valve, terminal gas evacuation pipe and dry-type spark arrester, gaseous passing through radar water seal flame arrester and silk screen filter reaches gaseous purification, safety protection, sleeve pipe water seal safety diffuses volume and the high control gas conveying system limit for height pressure through internal water, play the protection, the control action, WGZ type pipeline spark arrester, long-range electric butterfly valve that cuts off mainly plays back the fire relief and cuts off the isolation with quick system, prevent the accident enlargement, thereby reach the system protection.
2. The safe transportation process system for the comprehensive utilization of the waste mine gas as claimed in claim 1, wherein the gas is fully separated from the water contained in the gas through a condenser, and is subjected to gas-water separation through an overflow water blocking fire arrester to achieve gas drying.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010293484.9A CN111503518B (en) | 2020-04-15 | 2020-04-15 | Safe conveying process system for comprehensive utilization of gas in abandoned mine |
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| CN202010293484.9A CN111503518B (en) | 2020-04-15 | 2020-04-15 | Safe conveying process system for comprehensive utilization of gas in abandoned mine |
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| CN111503518A CN111503518A (en) | 2020-08-07 |
| CN111503518B true CN111503518B (en) | 2022-06-14 |
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Citations (10)
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|---|---|---|---|---|
| DE2064617A1 (en) * | 1970-12-30 | 1972-07-20 | Ruhrkohle Ag, 4300 Essen | Method and arrangement for the creation of dams for dumped mine workings |
| CN201202974Y (en) * | 2008-05-28 | 2009-03-04 | 煤炭科学研究总院重庆研究院 | Low concentration mash gas safe conveying device |
| CN201547495U (en) * | 2009-09-17 | 2010-08-11 | 淄博淄柴新能源有限公司 | Low-concentration gas feeding safety guarantee system |
| CN202469479U (en) * | 2012-03-16 | 2012-10-03 | 山东绿环动力设备有限公司 | Safety low-concentration gas transporting system |
| CN104633453A (en) * | 2014-12-15 | 2015-05-20 | 南车资阳机车有限公司 | System for automatically controlling pressure of fine water mist gas delivery pipeline |
| CN104848674A (en) * | 2015-05-18 | 2015-08-19 | 上海褐美能源科技有限公司 | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology |
| CN204592867U (en) * | 2015-04-09 | 2015-08-26 | 煤炭工业太原设计研究院 | Low-concentration gas power generation system |
| CN208153062U (en) * | 2018-04-25 | 2018-11-27 | 淮南矿业(集团)有限责任公司 | A kind of abandoned mine gas Collection utilization device |
| CN209431089U (en) * | 2019-01-16 | 2019-09-24 | 山西航天国泰清洁能源有限公司 | A kind of low-concentration gas power generation gas safety transportation system |
| CN110344875A (en) * | 2019-08-16 | 2019-10-18 | 应急管理部信息研究院 | Closing shaft gas control device and method |
-
2020
- 2020-04-15 CN CN202010293484.9A patent/CN111503518B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2064617A1 (en) * | 1970-12-30 | 1972-07-20 | Ruhrkohle Ag, 4300 Essen | Method and arrangement for the creation of dams for dumped mine workings |
| CN201202974Y (en) * | 2008-05-28 | 2009-03-04 | 煤炭科学研究总院重庆研究院 | Low concentration mash gas safe conveying device |
| CN201547495U (en) * | 2009-09-17 | 2010-08-11 | 淄博淄柴新能源有限公司 | Low-concentration gas feeding safety guarantee system |
| CN202469479U (en) * | 2012-03-16 | 2012-10-03 | 山东绿环动力设备有限公司 | Safety low-concentration gas transporting system |
| CN104633453A (en) * | 2014-12-15 | 2015-05-20 | 南车资阳机车有限公司 | System for automatically controlling pressure of fine water mist gas delivery pipeline |
| CN204592867U (en) * | 2015-04-09 | 2015-08-26 | 煤炭工业太原设计研究院 | Low-concentration gas power generation system |
| CN104848674A (en) * | 2015-05-18 | 2015-08-19 | 上海褐美能源科技有限公司 | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology |
| CN208153062U (en) * | 2018-04-25 | 2018-11-27 | 淮南矿业(集团)有限责任公司 | A kind of abandoned mine gas Collection utilization device |
| CN209431089U (en) * | 2019-01-16 | 2019-09-24 | 山西航天国泰清洁能源有限公司 | A kind of low-concentration gas power generation gas safety transportation system |
| CN110344875A (en) * | 2019-08-16 | 2019-10-18 | 应急管理部信息研究院 | Closing shaft gas control device and method |
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| CN111503518A (en) | 2020-08-07 |
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