CN211345463U - Comprehensive utilization system for clean energy in mining area - Google Patents
Comprehensive utilization system for clean energy in mining area Download PDFInfo
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- CN211345463U CN211345463U CN201922464344.9U CN201922464344U CN211345463U CN 211345463 U CN211345463 U CN 211345463U CN 201922464344 U CN201922464344 U CN 201922464344U CN 211345463 U CN211345463 U CN 211345463U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model belongs to the technical field of mining area energy comprehensive utilization, in particular to a mining area clean energy comprehensive utilization system, wherein the mining area clean energy comprises electric energy, gas, power plant waste heat, ventilation air waste heat, air energy water heater, solar energy, air compressor waste heat and gas power generation waste heat; the electric energy is used for supplying an infrared hot air unit and a solid electric heat accumulation boiler, the heat energy emitted by the infrared hot air unit is blown to a well head through a fan, and the solid electric heat accumulation boiler is sent to a living area through a steam pipe network; the gas is used for providing energy for the gas boiler, and the heat energy emitted by the recovered gas boiler is sent to a living area through a steam pipe network; the recovered waste heat of the power plant is sent into a living area through a steam pipe network; the ventilation air waste heat utilizes the water source heat pump technology to extract the air shaft exhaust waste heat and send the air shaft exhaust waste heat into a living area. The application provides a clean energy can reduce energy resource consumption in the use in mining area, reduces pollutant discharge, still can realize the centralized control and the comprehensive utilization of atmospheric pollutants, solid waste.
Description
Technical Field
The utility model belongs to the technical field of the mining area energy is synthesized and is utilized, concretely relates to mining area clean energy's comprehensive application system.
Background
Coal enterprises mainly use coal as heat supply energy. The scattered boiler room supplies heat, the boiler room has small capacity, large quantity and low efficiency, thereby causing the waste of coal resources, the increase of operation cost and serious pollution to the atmospheric environment.
The use of clean energy can gradually change the traditional energy consumption structure, improve the energy safety, reduce the emission of greenhouse gases, effectively protect the ecological environment and promote the social economy to develop well and quickly.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a comprehensive utilization system of clean energy in mining areas.
The utility model discloses a realize through following technical scheme: a comprehensive utilization system of clean energy in a mining area is disclosed, wherein the clean energy in the mining area comprises electric energy, fuel gas, power plant waste heat, ventilation air waste heat, an air energy water heater, solar energy, air compressor waste heat and gas power generation waste heat;
the electric energy is used for supplying an infrared hot air unit and a solid electric heat accumulation boiler, the heat energy emitted by the infrared hot air unit is blown to a well head through a fan, and the solid electric heat accumulation boiler is sent to a living area through a steam pipe network;
the gas is used for providing energy for the gas boiler, and the heat energy emitted by the recovered gas boiler is sent to a living area through a steam pipe network;
the recovered waste heat of the power plant is sent into a living area through a steam pipe network;
extracting the air shaft exhaust waste heat by using the ventilation air waste heat utilizing the water source heat pump technology and sending the air shaft exhaust waste heat into a living area;
the air energy water heater extracts heat energy through water exchange and sends the heat energy to a living area;
solar energy sends hot water to a living area through a solar heat collecting plate and a water circulating system;
the waste heat of the air compressor heats cold water through a heat exchanger and sends the cold water to a living area;
the gas power generation waste heat heats cold water through special equipment for recovering the flue gas waste heat and sends the cold water to a living area.
Furthermore, a main steam pipe network of the solid electric heat storage boiler is connected with the steam distribution cylinder, and a plurality of outlets of the steam distribution cylinder are respectively connected with branch steam pipe networks for different living demands.
Furthermore, a main steam pipe network of the gas-fired boiler is connected with the steam-distributing cylinder, and a plurality of outlets of the steam-distributing cylinder are respectively connected with branch steam pipe networks for different living demands.
The utility model has the advantages that: the application provides a clean energy can reduce energy resource consumption in the use in mining area, reduces pollutant discharge, still can realize the centralized control and the comprehensive utilization of atmospheric pollutants, solid waste.
Drawings
FIG. 1 is a flow chart of the comprehensive utilization of clean energy according to the present invention;
FIG. 2 is a schematic diagram of the waste heat recycling of the infrared hot air blower unit of the present invention;
FIG. 3 is a schematic diagram of the solid electric heat storage boiler waste heat recovery and utilization of the present invention;
FIG. 4 is a schematic diagram of the waste heat recycling of the gas boiler of the present invention;
FIG. 5 is a schematic diagram of the waste heat recovery and utilization of the power plant of the present invention;
FIG. 6 is a schematic diagram of the ventilation air waste heat recycling of the present invention;
FIG. 7 is a schematic diagram of the recycling of the air energy water heater of the present invention;
FIG. 8 is a schematic diagram of the solar recycling of the present invention;
fig. 9 is a schematic diagram of the waste heat recycling of the air compressor of the present invention;
fig. 10 is a schematic diagram of the gas power generation waste heat recycling of the present invention.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in fig. 1, the clean energy uses electric energy, gas, power plant waste heat, ventilation air waste heat, air energy water heater, solar energy, air compressor waste heat and gas power generation waste heat. The problems of bathing in mining areas, well mouth antifreezing, heating in office buildings and staff dormitories, canteens, tea stove rooms and the like are solved. The use of clean energy in the mining area can reduce energy consumption and pollutant discharge.
1. Heat utilization of electric energy including infrared hot air unit and solid electric heat accumulation boiler
(1) The infrared hot air unit is used for coping with extreme weather in winter, and the infrared electric hot air unit is additionally arranged at a well head to serve as a standby heat source, so that the anti-freezing requirement of the well head is met.
As shown in figure 2, the infrared electric air heater units are arranged in a wellhead room, an electric control cabinet of each unit automatically detects the temperature of a shaft and the temperature of an air outlet of the unit through a temperature control device, and automatically turns on and off the number of the air heaters and the power of an electric heating element according to the signal tracking of a mixed temperature sensor, so that the wellhead temperature is always kept at 2 ℃ for operation.
(2) The solid electric heat accumulation boiler can meet the capacity increasing requirement by using a power supply system, and an electric heat accumulation boiler is selected. The capacity of the solid electric heat storage boiler is calculated according to a heat storage time 9 hours valley electricity +7 hours flat electricity heat storage mode, and a 24-hour heat supply operation mode is carried out all day. When the temperature of the high-temperature heat accumulator reaches the set upper limit temperature or the power grid valley period is over, the automatic control system cuts off the high-voltage switch, the high-voltage power grid stops supplying power, and the high-voltage electric heating body stops working. The high-temperature heat accumulator is connected with the high-temperature heat exchanger through the heat output controller, and the high-temperature heat exchanger converts high-temperature heat energy stored in the high-temperature heat accumulator into hot water or steam for output. The output hot water or steam is used in bathing, well mouth antifreezing, heating in office building and worker's dormitory, canteen, tea stove room, etc.
As shown in fig. 3, the solid electric heat storage boiler exchanges heat of water into steam, the steam is conveyed to the steam distribution cylinder, the steam is divided into three paths through the steam distribution cylinder, one path of the steam is conveyed to a wellhead, an air heater is arranged at the wellhead, and heat is transferred to air in a natural convection and radiation mode, so that the wellhead is prevented from freezing; the other path of the steam is sent to an office building, and heat is dissipated through a radiator, so that the purpose of heating is achieved; in addition, the steam is sent to a bathroom water tank in the other path, and cold water is directly heated, so that bathing is realized.
2. Use of gas
And selecting a gas boiler under the conditions that the power supply system of the mining area cannot increase capacity and pipeline gas is guaranteed. The hot water or steam produced by the natural gas boiler is used in bathing, well mouth anti-freezing, heating of office buildings and staff dormitories, canteens, tea stove rooms and the like.
As shown in fig. 4, the gas boiler exchanges heat of water into steam, the steam is conveyed to the steam-distributing cylinder, the steam is divided into three paths through the steam-distributing cylinder, one path of the steam is conveyed to a wellhead, an air heater is arranged at the wellhead, and heat is transferred to air in a natural convection and radiation mode, so that the wellhead is prevented from freezing; the other path of the steam is sent to an office building, and heat is dissipated through a radiator, so that the purpose of heating is achieved; in addition, the steam is sent to a bathroom water tank in the other path, and cold water is directly heated, so that bathing is realized.
3. The power plant waste heat utilization is that power plants near the mining area can perform cogeneration, and a centralized heating project is adopted. And the waste heat of the power plant is conveyed to each user by using a steam pipeline.
As shown in fig. 5, the exhaust steam after the power plant steam turbine applies work is remotely conveyed to the steam splitting cylinders of all mines by seamless steel pipes, the exhaust steam is divided into three paths by the steam splitting cylinders, one path of the exhaust steam is sent to a wellhead, an air heater is arranged at the wellhead, and heat is transferred to air in a natural convection and radiation mode, so that the wellhead is prevented from freezing; the other path of the steam is sent to an office building, and heat is dissipated through a radiator, so that the purpose of heating is achieved; in addition, the steam is sent to a bathroom water tank in the other path, and cold water is directly heated, so that bathing is realized.
4. The use of the waste heat of the ventilation air utilizes the water source heat pump technology to extract the waste heat of the air shaft exhaust air, and is used for well mouth anti-freezing in winter, preparing hot water for workers to bath and building refrigeration in summer.
As shown in figure 6, the air exhausted from the mine exchanges heat through spraying, the heat in the air exhausted from the air shaft is extracted, part of the circulating water after heat exchange enters an evaporator of a heating water source heat pump for heat exchange, the heat is transferred to a condenser, and hot water at 45 ℃ is prepared and used for preventing freezing at a well mouth and heating water for workers to bathe. The heating medium used in the system is hot water.
5. The air energy water heater is used for stopping production and overhauling in a coal mine or has less gas, and the air compressor heat recovery unit and the gas generator unit cannot be used; the large-capacity boiler is used, so that the waste is high, the solar energy cannot be used satisfactorily, and the air energy water heater is used at the moment. The air energy water heater is characterized in that low-grade heat energy in outdoor air is continuously absorbed by a low-temperature refrigerant in a compressor system and is brought back to the compressor to be promoted into usable high-grade heat energy to heat cold water. The air energy heat pump is used as a system device for efficiently collecting heat and transferring heat, and can change the power consumed by the compressor into heat energy which is 4-6 times more than that of electric heat. No pollution to environment.
As shown in fig. 7, cold water is heat-exchanged into hot water by the air energy water heater, stored in the hot water tank, and delivered to the bath through the water pump.
6. The solar energy is used for utilizing solar heat, and a flat plate collector is used for collecting solar radiation energy and converting the solar radiation energy into heat energy for utilization through interaction with substances. Providing domestic hot water. Is particularly suitable for summer.
As shown in fig. 8, cold water absorbs heat through the solar flat plate collector, forms a circulation with the circulation water tank, reaches 45 ℃ after being circulated for many times, flows to the heat storage water tank, and is conveyed to the bathing pool through the water pump.
7. Waste heat utilization air compressor heat recovery unit and gas generator set waste heat utilization
(1) The air compressor heat recovery unit uses a screw air compressor in coal mine production, the air compressor can generate a large amount of compression heat during operation, the temperature of compressed air discharged by an oil gas barrel reaches 70-85 ℃, the air compressor is really used for increasing electric energy consumed by air potential energy during operation, only a small part of 15% of total electric energy consumption is consumed, about 85% of electric energy is converted into heat, and the heat is discharged into the atmosphere in an air cooling or water cooling mode. The heat recovery system is properly modified according to the structure and the principle of the corresponding type of compressor, the heat is recovered, the heat sources are utilized by combining the actual situation of a coal mine, waste can be changed into valuable, the heat originally discharged into the environment is collected and utilized, and the fuel consumption for heating other purposes is reduced. The air compressor is operated to provide domestic hot water.
As shown in fig. 9, cold water is converted into hot water by the air compressor heat recovery unit to serve as a primary water system, bath water is converted into secondary water by the plate heat exchanger to be stored in the hot water tank, and the hot water is conveyed to the bath pool by the water pump.
(2) The waste heat of the gas generator set uses the smoke emission temperature of the gas generator set to be 500 ℃. The special device for recovering the flue gas waste heat of the gas generator set is arranged on a flue, and the recovered flue gas waste heat is used for generating steam or hot water. After the waste heat recovery system is installed, the waste heat recovery system also has a certain purification effect on smoke, suspended matters and particulate matters. Energy conservation, consumption reduction, emission reduction and efficiency improvement.
As shown in fig. 10, the waste heat recovery device of the gas generator set is installed on a flue, cold water and flue gas indirectly exchange heat to absorb heat, the cold water and the flue gas form circulation with a circulation water tank, the water temperature reaches 45 ℃ after multiple times of circulation, and the cold water is conveyed to a bathing pool through a water pump.
The clean energy is used, and the quality and the reliability of heat supply are improved. The clean energy can gradually change the traditional energy consumption structure, improve the energy safety, reduce the emission of greenhouse gases, effectively protect the ecological environment and promote the social economy to develop well and quickly.
Claims (3)
1. The utility model provides a comprehensive application system of clean energy in mining area which characterized in that: clean energy of the mining area comprises electric energy, gas, power plant waste heat, ventilation air waste heat, air energy water heater, solar energy, air compressor waste heat and gas power generation waste heat;
the electric energy is used for supplying an infrared hot air unit and a solid electric heat accumulation boiler, the heat energy emitted by the infrared hot air unit is blown to a well head through a fan, and the solid electric heat accumulation boiler is sent to a living area through a steam pipe network;
the gas is used for providing energy for the gas boiler, and the heat energy emitted by the recovered gas boiler is sent to a living area through a steam pipe network;
the recovered waste heat of the power plant is sent into a living area through a steam pipe network;
extracting the air shaft exhaust waste heat by using the ventilation air waste heat utilizing the water source heat pump technology and sending the air shaft exhaust waste heat into a living area;
the air energy water heater extracts heat energy through water exchange and sends the heat energy to a living area;
solar energy sends hot water to a living area through a solar heat collecting plate and a water circulating system;
the waste heat of the air compressor heats cold water through a heat exchanger and sends the cold water to a living area;
the gas power generation waste heat heats cold water through special equipment for recovering the flue gas waste heat and sends the cold water to a living area.
2. The comprehensive utilization system of clean energy in mining areas according to claim 1, characterized in that: a main steam pipe network of the solid electric heat accumulation boiler is connected with a steam distribution cylinder, and a plurality of outlets of the steam distribution cylinder are respectively connected with branch steam pipe networks for different living demands.
3. The comprehensive utilization system of clean energy in mining areas according to claim 1, characterized in that: the main steam pipe network of the gas boiler is connected with the steam-distributing cylinder, and a plurality of outlets of the steam-distributing cylinder are respectively connected with branch steam pipe networks for different living demands.
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| CN201922464344.9U CN211345463U (en) | 2019-12-31 | 2019-12-31 | Comprehensive utilization system for clean energy in mining area |
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| CN201922464344.9U CN211345463U (en) | 2019-12-31 | 2019-12-31 | Comprehensive utilization system for clean energy in mining area |
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| CN211345463U true CN211345463U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111076260A (en) * | 2019-12-31 | 2020-04-28 | 淮北工业建筑设计院有限责任公司 | Comprehensive utilization system of clean energy in mining area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111076260A (en) * | 2019-12-31 | 2020-04-28 | 淮北工业建筑设计院有限责任公司 | Comprehensive utilization system of clean energy in mining area |
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