CN113237158A - Waste heat recovery heating system for house for subway station equipment - Google Patents
Waste heat recovery heating system for house for subway station equipment Download PDFInfo
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- CN113237158A CN113237158A CN202110463418.6A CN202110463418A CN113237158A CN 113237158 A CN113237158 A CN 113237158A CN 202110463418 A CN202110463418 A CN 202110463418A CN 113237158 A CN113237158 A CN 113237158A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/04—Air-mixing units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Central Heating Systems (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention provides a waste heat recovery heating system for a house of subway station equipment, which relates to the field of heating of urban rail transit, and the heating system uses the waste heat of the house of the equipment to heat the house for personnel, and comprises the following components: the equipment room air exhaust duct is communicated with the equipment room and exhausts gas in the equipment room through the equipment room air exhaust duct; the personnel room air supply duct is communicated with the personnel room, and gas is sent into the personnel room through the personnel room air supply duct; full heat exchanger, full heat exchanger can carry out the heat transfer with the gas in the air duct of airing exhaust of equipment room and the gas in the air duct of personnel with the room air supply, thereby cross to new trend heating and the waste heat utilization of airing exhaust realize for personnel room heating can replace traditional electric heater heating system or the heating system that ally oneself with more, can effectively reduce the initial investment of equipment, are applicable to current station transformation and newly-built station.
Description
Technical Field
The invention relates to the field of heating of urban rail transit, in particular to a waste heat recovery heating system for a house for subway station equipment.
Background
In order to meet the requirement of comfort in heating seasons of rooms for personnel management of urban rail transit station equipment areas, the rooms for personnel management of subway stations in heating areas mainly adopt an electric heater heating system and a multi-split heating system.
The electric heater heating system calculates heat load according to the room for personnel management, and the electric heaters with different numbers are arranged in the room. Although the electric heater heating system can meet the room heating requirement for subway station personnel management in the heating season, the following problems still exist: the electric energy is used as high-grade energy and is directly converted into low-grade heat energy for heating, the energy utilization efficiency is low, and the pursuit of reasonably utilizing the energy, saving the energy and improving the energy utilization rate is not met; the electric heater heating system selects equipment types according to the heat load calculated by the room. The system always runs at the designed power in the running process, and the automatic control of the room temperature cannot be realized according to the change of the heat load of the heating room. The operation mode causes energy waste to a great extent, and meanwhile, the requirement of indoor personnel on thermal comfort cannot be met; the heating of the electric heater is mainly represented by heat radiation and heat convection. The subway station personnel management room is usually heated in a non-all-day mode, and the preheating time of the room is relatively long at the initial operation stage of the system, so that the requirement of thermal comfort of personnel is not facilitated; the electric room heater for personnel management is mainly distributed on the ground, the surface temperature of the electric room heater is usually about 85 ℃, and large potential safety hazards exist while the electric room heater occupies the room area.
The multi-split heating system calculates heat load according to a room for personnel management, and sets multi-split indoor units with different specifications in the room and outdoor units outside the room. The multi-split heating system can effectively meet the room heating requirement and can automatically adjust according to the change of the room heat load. However, there are still some disadvantages in the following aspects: the heating capacity of the multi-split heating system in the heating season is reduced along with the reduction of the outdoor temperature, and the heat load of the subway station personnel room system is increased along with the reduction of the outdoor temperature. The heating capacity of the heating system is poor in matching with the heat demand of a room; the distance between a heating room at the tail end of a subway station equipment area and an effective pipeline of an outdoor unit of the multi-split air conditioner is usually far longer than 100m, and the corrected system design capacity is usually far longer than the system design heat load, so that the system operation efficiency is low; the initial investment, the installation cost and the like of the multi-split heating system are far greater than those of an electric heater heating system; terminal equipment, refrigerant pipelines and the like of the multi-split heating system occupy larger space and have certain influence on the zone height of the equipment. Meanwhile, the multi-split outdoor unit arranged on the ground has a great influence on the coordination of the surrounding environment.
Disclosure of Invention
The invention aims to provide a waste heat recovery heating system for a house for equipment of a subway station, which can realize the requirement of thermal comfort on a house for personnel in a heating season by carrying out multiple times of heat recovery on high-temperature gas of the house for equipment such as traction substation.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a subway station equipment room waste heat recovery heating system, heating system uses the waste heat of equipment room heats personnel room, includes: the equipment room air exhaust duct is communicated with the equipment room, and gas in the equipment room is exhausted through the equipment room air exhaust duct; the personnel room air supply duct is communicated with the personnel room, and gas is supplied into the personnel room through the personnel room air supply duct; and the full heat exchanger can exchange heat between the gas in the air exhaust duct of the equipment room and the gas in the air supply duct of the personnel room.
Further, in above-mentioned subway station equipment room waste heat recovery heating system, still include: the equipment room air supply duct is communicated with the equipment room, and air is sent into the equipment room through the equipment room air supply duct; the air exhaust duct for the personnel use room is communicated with the personnel use room, and air in the personnel use room is exhausted through the air exhaust duct for the personnel use room; the first air volume adjusting valve is arranged on the equipment room air supply duct and is used for adjusting the speed of outdoor air entering the equipment room from the equipment room air supply duct; and the second air volume adjusting valve is arranged on the air exhaust air duct of the personnel room and is used for adjusting the speed of air exhausted from the air exhaust air duct of the personnel room.
Further, in the waste heat recovery heating system for the house of the subway station equipment, a third air volume adjusting valve and a fourth air volume adjusting valve are further included; the third air volume adjusting valve is arranged on the air exhaust duct of the equipment room and is used for adjusting the speed of air exhausted from the air exhaust duct of the equipment room; the fourth air volume adjusting valve is arranged on the air supply air channel of the room for personnel, and the fourth air volume adjusting valve is used for adjusting the speed of air entering the room for personnel through the air supply air channel of the room for personnel.
Further, in the waste heat recovery heating system for the equipment room of the subway station, the system further comprises an equipment room heat exchange air inlet channel, an equipment room heat exchange air outlet channel, a personnel room heat exchange air inlet channel and a personnel room heat exchange air outlet channel; the full heat exchanger comprises an air supply air inlet, an air supply air outlet, a hot air inlet and a hot air outlet, the equipment room heat exchange air inlet channel is communicated with the hot air inlet, the equipment room heat exchange air outlet channel is communicated with the hot air outlet, the personnel room heat exchange air inlet channel is communicated with the air supply air inlet, the personnel room heat exchange air outlet channel is communicated with the air supply air outlet, the air supply air inlet and the air supply air outlet are communicated through a pipeline positioned in the full heat exchanger, and the hot air inlet and the hot air outlet are communicated through a pipeline positioned in the full heat exchanger; the equipment room heat exchange air inlet channel and the equipment room heat exchange exhaust channel are both communicated with the equipment room exhaust air channel, the equipment room heat exchange air inlet channel is positioned on one side of an air inlet of the third air volume adjusting valve, and the equipment room heat exchange exhaust channel is positioned on one side of an air outlet of the third air volume adjusting valve; personnel with room heat transfer inlet channel with personnel with room heat transfer outlet channel all with personnel with room air supply wind channel intercommunication, just personnel with room heat transfer inlet channel are located one side of fourth air regulation valve's air inlet, personnel with room heat transfer outlet channel are located one side of fourth air regulation valve's air inlet.
Further, in the waste heat recovery heating system for the house of the subway station equipment, a fifth air volume regulating valve and a sixth air volume regulating valve are further included; the fifth air quantity regulating valve is arranged in the equipment room heat exchange air inlet channel and is used for regulating the flow rate of gas in the equipment room heat exchange air inlet channel; the sixth air volume adjusting valve is arranged on the heat exchange air inlet channel of the room for the personnel, and the sixth air volume adjusting valve is used for adjusting the flow rate of gas in the heat exchange air inlet channel of the room for the personnel.
Further, in the waste heat recovery heating system for the house of the subway station equipment, the system further comprises a first air mixing box, a first air mixing duct and a seventh air volume adjusting valve; the first air mixing box is arranged on the equipment room air supply duct and is positioned between the first air volume adjusting valve and the equipment room, the first air mixing box comprises a first air inlet, a first air outlet and a first air return port, the first air outlet of the first air mixing box is communicated with the equipment room air supply duct, the first air return port of the first air mixing box is communicated with one end of the first air mixing duct, the other end of the first air mixing duct is communicated with the equipment room air exhaust duct, and the first air mixing duct is positioned between the third air volume adjusting valve and the equipment room; gas exhausted from the first air volume adjusting valve enters the first air mixing box through a first air inlet of the first air mixing box, and the gas in the first air mixing box is exhausted through a first air outlet of the first air mixing box, wherein the gas is exhausted into the equipment room through the equipment room air supply duct by the first air outlet of the first air mixing box, and the gas exhausted from the equipment room can enter the first air mixing box through a first air return opening of the first air mixing box; the seventh air volume adjusting valve is arranged on the first air mixing air channel and is used for adjusting the speed of the gas in the first air mixing air channel discharged into the first air mixing box.
Further, in the waste heat recovery heating system for the house of the subway station equipment, the system further comprises a second air mixing box, a second air mixing duct, a third air mixing duct, an eighth air volume regulating valve and a ninth air volume regulating valve; the second air mixing box is arranged on the air supply duct of the room for personnel, the second air mixing box is positioned between the fourth air volume adjusting valve and the room for personnel, the second air mixing box comprises a second air inlet, a third air outlet and a second air return opening, the third air inlet of the second air mixing box is communicated with one end of the second air mixing duct, the third air outlet of the second air mixing box is communicated with the air supply duct of the room for personnel, and the second air return opening of the second air mixing box is communicated with one end of the third air mixing duct; the other end of the second air mixing duct is communicated with the air exhaust duct of the equipment room, the other end of the third air mixing duct is communicated with the air exhaust duct of the personnel room, and the second air mixing duct is positioned between the third air volume adjusting valve and the equipment room; the eighth air volume adjusting valve is arranged on the second air mixing air channel, and the ninth air volume adjusting valve is arranged on the third air mixing air channel; follow the gas process of fourth air regulation valve combustion gas the second air inlet of second air mixing box gets into the second air mixing box, the gas in the second air mixing channel passes through the third air inlet of second air mixing box gets into the second air mixing box, the gas in the second air mixing box passes through the third gas outlet of second air mixing box is discharged, wherein, the third gas outlet of second air mixing box passes through gas with the room air supply channel for personnel extremely in the room for personnel, gas in the room for personnel can pass through the second return air mouth of second air mixing box discharges into in the second air mixing box.
Further, the waste heat recovery heating system for the house of the subway station equipment further comprises a first air conditioner and a second air conditioner; the first air conditioner is arranged on the air supply duct of the equipment room and used for changing the temperature of the gas discharged by the first air mixing box; the second air conditioner is arranged on the air supply duct of the room for the personnel, and the second air conditioner is used for changing the temperature of the gas discharged by the second air mixing box.
Further, in the waste heat recovery heating system for the house of the subway station equipment, a first return exhaust fan and a second return exhaust fan are further included; the first exhaust return fan is arranged on the air exhaust duct of the equipment room and used for exhausting gas in the equipment room; the second exhaust fan is arranged on the air exhaust duct of the personnel room, and the second exhaust fan is used for exhausting gas in the personnel room.
Further, in foretell subway station equipment room waste heat recovery heating system, still include the filter, the filter is located the second mixes the wind channel, the filter can be to gas in the second mixes the wind channel filters.
The waste heat recovery heating system for the house for the subway station equipment is characterized in that a waste heat recovery function of the house for the equipment is added on the basis of an original ventilation and air-conditioning system, the utilization of fresh air heating and exhaust waste heat is realized to heat the rooms of personnel, so that the system can replace a traditional electric heater heating system or a multi-split heating system, the initial investment of the equipment can be effectively reduced, the system is suitable for reconstruction and new construction of the existing station, meanwhile, the newly-added equipment and pipelines are arranged in an air duct or a machine room, the installation space of the pipelines in the equipment area is not occupied, and the potential safety hazard of the existing heating system is eliminated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of a waste heat recovery heating system for a room of a subway station equipment according to an embodiment of the present invention.
Description of reference numerals: 1-a first air volume adjusting valve; 2-a first air mixing box; 3-a first air conditioner; 4-seventh air volume adjusting valve; 5-a first return exhaust fan; 6-a third air volume adjusting valve; 7-a fifth air volume adjusting valve; 8-total heat exchanger; 9-eighth air volume adjusting valve; 10-a filter; 11-sixth air volume adjusting valve; 12-a fourth air volume adjusting valve; 13-a second windbox; 14-a second air conditioner; 15-ninth air volume adjusting valve; 16-a second air volume adjusting valve; 17-a second return air blower; 18-a device room air supply duct; 19-equipment room exhaust air duct; 20-air exhaust duct of the house for personnel; 21-air supply duct for the house for personnel; 22-equipment room; 23-person using room; 24-a first air mixing duct; 25-a second air mixing duct; 26-third air mixing duct.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. may be used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of an individual component.
As shown in fig. 1, according to an embodiment of the present invention, there is provided a heating system for recovering waste heat of a facility room 22 of a subway station, which heats a human room 23 using waste heat of the facility room, including: the equipment room air exhaust duct 19 is communicated with the equipment room 22, and air in the equipment room 22 is exhausted through the equipment room air exhaust duct 19; the air supply duct 21 for the personnel room is communicated with the air supply duct 21 for the personnel room 23, and air is supplied into the air supply duct 23 for the personnel room through the air supply duct 21 for the personnel room; the total heat exchanger 8, the total heat exchanger 8 can exchange heat between the air in the equipment room exhaust air duct 19 and the air in the personnel room supply air duct 21, and increase the temperature of the air entering the personnel room 23.
Preferably, the method further comprises the following steps: the equipment room air supply duct 18 is communicated with the equipment room 22, and air is supplied into the equipment room 22 through the equipment room air supply duct 18; the air exhaust duct 20 of the personnel room is communicated with the air exhaust duct 20 of the personnel room 23, and air in the air exhaust duct 23 of the personnel room is exhausted through the air exhaust duct 20 of the personnel room; the first air volume adjusting valve 1 is arranged on the equipment room air supply duct 18, and the first air volume adjusting valve 1 is used for adjusting the speed of outdoor air entering the equipment room 22 from the equipment room air supply duct 18; and the second air volume adjusting valve 16, the second air volume adjusting valve 16 is arranged on the air exhaust duct 20 of the personnel room, and the second air volume adjusting valve 16 is used for adjusting the speed of air exhausted from the air exhaust duct 21 of the personnel room. The invention can monitor the temperature of the room 23 for the personnel needing heating in real time through the temperature measuring point of the existing station BAS system, adjust the air supply quantity of the room 23 for the personnel through a frequency converter, and adjust the temperature after fresh air preheating and the air quantity of secondary heat recovery through an air quantity adjusting valve, thereby realizing the real-time control of the room 23 for the personnel needing heating.
Preferably, a third air volume adjusting valve 6 and a fourth air volume adjusting valve 12 are also included; the third air volume adjusting valve 6 is arranged on the air exhaust duct 19 of the equipment room, and the third air volume adjusting valve 6 is used for adjusting the speed of air exhausted from the air exhaust duct 19 of the equipment room; the fourth air volume adjusting valve 12 is arranged on the room air supply duct 21 for the personnel, the fourth air volume adjusting valve 12 is used for adjusting the speed of air entering the room 23 for the personnel through the room air supply duct 21 for the personnel, when the air volume adjusting valve is specifically used, the switch valve can be selected by the sixth air volume adjusting valve 11 and the fourth air volume adjusting valve 12, when the sixth air volume adjusting valve 11 and the fourth air volume adjusting valve 12 are the switch valves, a user can control whether fresh air enters the full heat exchanger 8 for heat exchange or directly enters the second air mixing box 13 by controlling the sixth air volume adjusting valve 11 and the fourth air volume adjusting valve 12.
Preferably, the system also comprises a device room heat exchange air inlet channel, a device room heat exchange air outlet channel, a personnel room heat exchange air inlet channel and a personnel room heat exchange air outlet channel; the total heat exchanger 8 comprises an air supply air inlet, an air supply air outlet, a hot air inlet and a hot air outlet, a heat exchange air inlet channel of the equipment room is communicated with the hot air inlet, a heat exchange air outlet channel of the equipment room is communicated with the hot air outlet, a heat exchange air inlet channel of the personnel room is communicated with the air supply air inlet, a heat exchange air outlet channel of the personnel room is communicated with the air supply air outlet, the air supply air inlet and the air supply air outlet are communicated through a pipeline positioned in the total heat exchanger 8, and the hot air inlet and the hot air outlet are communicated through a pipeline positioned in the total heat exchanger 8; the equipment room heat exchange air inlet channel and the equipment room heat exchange exhaust channel are both communicated with the equipment room exhaust air duct 19, the equipment room heat exchange air inlet channel is positioned on one side of the air inlet of the third air volume adjusting valve 6, and the equipment room heat exchange exhaust channel is positioned on one side of the air outlet of the third air volume adjusting valve 6; personnel all communicate with personnel with room air supply duct 21 with room heat transfer inlet channel and personnel with room heat transfer outlet channel, and personnel with room heat transfer inlet channel be located one side of the air inlet of fourth air regulation valve 12, personnel with room heat transfer outlet channel be located one side of the air inlet of fourth air regulation valve 12.
Preferably, a fifth air volume adjusting valve 7 and a sixth air volume adjusting valve 11 are further included; the fifth air quantity regulating valve 7 is arranged in the heat exchange air inlet channel of the equipment room, and the fifth air quantity regulating valve 7 is used for regulating the flow rate of gas in the heat exchange air inlet channel of the equipment room; the sixth air volume adjusting valve 11 is arranged in the heat exchange air inlet channel of the room for the personnel, and the sixth air volume adjusting valve 11 is used for adjusting the flow rate of gas in the heat exchange air inlet channel of the room for the personnel.
Preferably, the air mixing device further comprises a first air mixing box 2, a first air mixing air channel 24 and a seventh air volume adjusting valve 4, the first air mixing box 2 is arranged on the equipment room air supply air channel 18, the first air mixing box 2 is positioned between the first air volume adjusting valve 1 and the equipment room 22, the first air mixing box 2 comprises a first air inlet, a first air outlet and a first air return opening, the first air outlet of the first air mixing box 2 is communicated with the equipment room air supply air channel 18, the first air return opening of the first air mixing box 2 is communicated with one end of the first air mixing air channel 24, the other end of the first air mixing air channel 24 is communicated with a node on the equipment room air exhaust air channel 19, and the first air mixing air channel 24 is positioned between the third air volume adjusting valve 6 and the equipment room 22; gas exhausted from the first air volume adjusting valve 1 enters the first air mixing box 2 through a first air inlet of the first air mixing box 2, and gas in the first air mixing box 2 is exhausted through a first air outlet of the first air mixing box 2, wherein the gas is exhausted into an equipment room 22 through an equipment room air supply duct 18 by the first air outlet of the first air mixing box 2, and the gas exhausted from the equipment room 22 can enter the first air mixing box 2 through a first air return opening of the first air mixing box 2; the seventh air volume adjusting valve 4 is arranged on the first air mixing duct 24, the seventh air volume adjusting valve 4 is used for adjusting the air exhaust rate of the first air mixing duct 24, and the air in the first air mixing duct 24 is exhausted into the first air mixing box 2. A part of the equipment room 22 exhausts air and sends the air into the first air mixing box 2, so that the air is sent into the equipment room 22 again for use, the air quantity of outdoor fresh air entering the equipment room 22 is reduced, and the phenomenon that the air outlet of the equipment room 22 is dewed due to the fact that the air supply temperature is too low is avoided; meanwhile, the exhaust air temperature of the equipment room 22 can be effectively increased, the exhaust air side temperature of waste heat recovery is ensured, and the efficiency of the waste heat recovery system is further improved.
The exhaust air of the equipment room 22 sequentially enters the first air mixing duct 24, the first air mixing box 2, and the first air conditioner 3 from the first return exhaust fan 5. This is a passage in which the equipment room 22 is in the primary return air mode, and this is intended to increase the room temperature of the equipment room 22, increase the waste heat recovery temperature, and increase the waste heat recovery efficiency.
Preferably, the air conditioner further comprises a second air mixing box 13, a second air mixing duct 25, a third air mixing duct 26, an eighth air quantity regulating valve 9 and a ninth air quantity regulating valve 15; the second air mixing box 13 is arranged on the air supply duct 21 for the personnel room, the second air mixing box 13 is positioned between the fourth air volume adjusting valve 12 and the personnel room 23, the second air mixing box 13 comprises a second air inlet, a third air outlet and a second air return opening, the third air inlet of the second air mixing box 13 is communicated with one end of a second air mixing duct 25, the third air outlet of the second air mixing box 13 is communicated with the air supply duct 21 for the personnel room, and the second air return opening of the second air mixing box 13 is communicated with one end of a third air mixing duct 26; the other end of the second air mixing duct 25 is communicated with the equipment room exhaust duct 19, the other end of the third air mixing duct 26 is communicated with the personnel room exhaust duct 20, and the second air mixing duct 25 is positioned between the third air volume adjusting valve 6 and the equipment room 22; the eighth air quantity regulating valve 9 is arranged on the second air mixing air duct 25, and the ninth air quantity regulating valve 15 is arranged on the third air mixing air duct 26; the gas exhausted from the fourth air volume adjusting valve 12 enters the second air mixing box 13 through the second air inlet of the second air mixing box 13, the gas in the second air mixing channel 25 enters the second air mixing box 13 through the third air inlet of the second air mixing box 13, and the gas in the second air mixing box 13 is exhausted through the third air outlet of the second air mixing box 13, wherein the gas is sent to the personnel room 23 through the personnel room air supply channel 21 by the third air outlet of the second air mixing box 13, the gas in the personnel room 23 can be exhausted into the second air mixing box 13 through the second air return port of the second air mixing box 13, and during heating in winter, the ninth air volume adjusting valve 15 is closed, and the exhaust air of the personnel room 23 is directly exhausted through the second air return ventilator 17, the second air volume adjusting valve 16 and the personnel room exhaust air channel 20; in summer cooling, the ninth air volume adjusting valve 15 is opened, and the air part discharged from the room for personnel 23 enters the second air mixing box 13 through the ninth air volume adjusting valve 15 and is mixed with the fresh air fed by the room for personnel air supply duct 21 and then is fed into the room for personnel 23.
The second air mixing box 13 is used for mixing air, high-temperature exhaust air of an air conditioning system of the equipment room 22 is directly connected into the second air mixing box 13 through the second air mixing air duct 25, the air supply temperature of the second air conditioner 14 is increased, and the temperature required by heating of the personnel room 23 is guaranteed.
Preferably, a first air conditioner 3 and a second air conditioner 14 are also included; the first air conditioner 3 is arranged on the equipment room air supply duct 18, the first air conditioner 3 is positioned between the equipment room 22 and the first air mixing box 2, and the first air conditioner 3 is used for changing the temperature of the gas discharged from the first air mixing box 2; the second air conditioner 14 is disposed on the air supply duct 21 of the room for personnel, the second air conditioner 14 is disposed between the equipment room 22 and the second air mixing box 13, and the second air conditioner 14 is configured to change the temperature of the air discharged from the second air mixing box 13.
Preferably, a first return air exhaust fan 5 and a second return air exhaust fan 17 are also included; the first return exhaust fan 5 is arranged on the equipment room exhaust air duct 19, and the first return exhaust fan 5 is used for exhausting the gas in the equipment room 22; the second exhaust fan 17 is disposed on the exhaust duct 20 of the human room, and the second exhaust fan 17 is used for exhausting the air in the human room 23.
Preferably, the air purifier further comprises a filter 10, the filter 10 is disposed in the second air mixing duct 25, the filter 10 is capable of filtering air in the second air mixing duct 25, and the filter 10 is a medium-efficiency filter 10.
The invention can preheat the air in the air supply duct 21 of the room for personnel when in use, and the specific use mode is that the fourth air volume adjusting valve 12 is closed and the sixth air volume adjusting valve 11 is opened in the heating season. Meanwhile, the opening degrees of the sixth air volume adjusting valve 11 and the fourth air volume adjusting valve 12 are managed according to the fresh air demand of the personnel room 23, partial waste heat of the air discharged into the equipment room air exhaust air duct 19 through the equipment room 22 of the total heat exchanger 8 is used, and the temperature of the fresh air (gas) in the preheated personnel room air supply air duct 21 can reach more than 20 ℃, so that the fresh air entering the personnel room 23 does not need to be heated secondarily, and the electric energy is saved.
The invention can also recover the waste heat of the equipment room 22, and the specific use mode is as follows: in the heating season, the ninth air volume adjusting valve 15 is closed and the second air volume adjusting valve 16 is opened, so that the passenger room 23 can exhaust air in the heating season. According to the difference value of the heat load required by the personnel room 23 and the heat load of the room born by the fresh air entering the personnel room, the opening degree of the eighth air quantity regulating valve 9 is regulated, the high-temperature exhaust air of the equipment room 22 enters the second air mixing box 13, is mixed with the fresh air preheated by the total heat exchanger 8 and then is sent to the personnel room 23. In order to ensure the air supply quality of the equipment room 23, a filter 10 is provided after the eighth air volume adjusting valve 9 to improve the air quality of the air discharged from the equipment room 22.
The invention can utilize the temperature measuring points of the BAS system of the existing subway station to monitor the indoor temperature in real time, and can better realize the energy-saving operation of the heating system while meeting the thermal comfort of personnel. The invention greatly reduces the consumption of electric energy during heating work, effectively improves the utilization efficiency of energy, and belongs to a green energy-saving heating system.
The residual heat removal amount of the room 22 for equipment such as subway station traction substation is usually 50-200 kW, is not influenced by outdoor meteorological conditions, is stable, can effectively ensure the system residual heat recovery amount, and ensures the efficient operation of a residual heat recovery heating system.
The invention belongs to a hot air heating system, and after the system is operated, the temperature of a room is quickly raised, the temperature distribution is uniform, and the requirement of indoor personnel on heat comfort is met.
The invention adds fresh air preheating and waste heat recovery of the equipment room 22 on the basis of the original ventilation air-conditioning system, thereby being capable of replacing the traditional electric heater heating system or multi-split heating system, effectively reducing the initial investment of equipment and being suitable for the reconstruction of the existing station and the newly built station. Simultaneously, newly-increased equipment and pipeline all set up in wind channel or computer lab, need not to occupy equipment area pipeline installation space, have eliminated current heating system's potential safety hazard.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a subway station equipment room waste heat recovery heating system, heating system uses the waste heat of equipment room heats personnel room, its characterized in that includes:
the equipment room air exhaust duct is communicated with the equipment room, and gas in the equipment room is exhausted through the equipment room air exhaust duct;
the personnel room air supply duct is communicated with the personnel room, and gas is supplied into the personnel room through the personnel room air supply duct;
and the full heat exchanger can exchange heat between the gas in the air exhaust duct of the equipment room and the gas in the air supply duct of the personnel room.
2. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 1, further comprising:
the equipment room air supply duct is communicated with the equipment room, and air is sent into the equipment room through the equipment room air supply duct;
the air exhaust duct for the personnel use room is communicated with the personnel use room, and air in the personnel use room is exhausted through the air exhaust duct for the personnel use room;
the first air volume adjusting valve is arranged on the equipment room air supply duct and is used for adjusting the speed of outdoor air entering the equipment room from the equipment room air supply duct;
and the second air volume adjusting valve is arranged on the air exhaust air duct of the personnel room and is used for adjusting the speed of air exhausted from the air exhaust air duct of the personnel room.
3. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 2, further comprising a third air volume adjusting valve and a fourth air volume adjusting valve;
the third air volume adjusting valve is arranged on the air exhaust duct of the equipment room and is used for adjusting the speed of air exhausted from the air exhaust duct of the equipment room;
the fourth air volume adjusting valve is arranged on the air supply air channel of the room for personnel, and the fourth air volume adjusting valve is used for adjusting the speed of air entering the room for personnel through the air supply air channel of the room for personnel.
4. The waste heat recovery heating system for the equipment room of the subway station as claimed in claim 3, further comprising an equipment room heat exchange inlet channel, an equipment room heat exchange exhaust channel, a personnel room heat exchange inlet channel and a personnel room heat exchange outlet channel;
the full heat exchanger comprises an air supply air inlet, an air supply air outlet, a hot air inlet and a hot air outlet, the equipment room heat exchange air inlet channel is communicated with the hot air inlet, the equipment room heat exchange air outlet channel is communicated with the hot air outlet, the personnel room heat exchange air inlet channel is communicated with the air supply air inlet, the personnel room heat exchange air outlet channel is communicated with the air supply air outlet, the air supply air inlet and the air supply air outlet are communicated through a pipeline positioned in the full heat exchanger, and the hot air inlet and the hot air outlet are communicated through a pipeline positioned in the full heat exchanger;
the equipment room heat exchange air inlet channel and the equipment room heat exchange exhaust channel are both communicated with the equipment room exhaust air channel, the equipment room heat exchange air inlet channel is positioned on one side of an air inlet of the third air volume adjusting valve, and the equipment room heat exchange exhaust channel is positioned on one side of an air outlet of the third air volume adjusting valve;
personnel with room heat transfer inlet channel with personnel with room heat transfer outlet channel all with personnel with room air supply wind channel intercommunication, just personnel with room heat transfer inlet channel are located one side of fourth air regulation valve's air inlet, personnel with room heat transfer outlet channel are located one side of fourth air regulation valve's air inlet.
5. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 4, further comprising a fifth air volume adjusting valve and a sixth air volume adjusting valve;
the fifth air quantity regulating valve is arranged in the equipment room heat exchange air inlet channel and is used for regulating the flow rate of gas in the equipment room heat exchange air inlet channel;
the sixth air volume adjusting valve is arranged on the heat exchange air inlet channel of the room for the personnel, and the sixth air volume adjusting valve is used for adjusting the flow rate of gas in the heat exchange air inlet channel of the room for the personnel.
6. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 5, further comprising a first air mixing box, a first air mixing duct and a seventh air volume adjusting valve;
the first air mixing box is arranged on the equipment room air supply duct and is positioned between the first air volume adjusting valve and the equipment room, the first air mixing box comprises a first air inlet, a first air outlet and a first air return port, the first air outlet of the first air mixing box is communicated with the equipment room air supply duct, the first air return port of the first air mixing box is communicated with one end of the first air mixing duct, the other end of the first air mixing duct is communicated with the equipment room air exhaust duct, and the first air mixing duct is positioned between the third air volume adjusting valve and the equipment room;
gas exhausted from the first air volume adjusting valve enters the first air mixing box through a first air inlet of the first air mixing box, and the gas in the first air mixing box is exhausted through a first air outlet of the first air mixing box, wherein the gas is exhausted into the equipment room through the equipment room air supply duct by the first air outlet of the first air mixing box, and the gas exhausted from the equipment room can enter the first air mixing box through a first air return opening of the first air mixing box;
the seventh air volume adjusting valve is arranged on the first air mixing air channel and is used for adjusting the speed of the gas in the first air mixing air channel discharged into the first air mixing box.
7. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 6, further comprising a second air mixing box, a second air mixing duct, a third air mixing duct, an eighth air volume adjusting valve and a ninth air volume adjusting valve;
the second air mixing box is arranged on the air supply duct of the room for personnel, the second air mixing box is positioned between the fourth air volume adjusting valve and the room for personnel, the second air mixing box comprises a second air inlet, a third air outlet and a second air return opening, the third air inlet of the second air mixing box is communicated with one end of the second air mixing duct, the third air outlet of the second air mixing box is communicated with the air supply duct of the room for personnel, and the second air return opening of the second air mixing box is communicated with one end of the third air mixing duct;
the other end of the second air mixing duct is communicated with the air exhaust duct of the equipment room, the other end of the third air mixing duct is communicated with the air exhaust duct of the personnel room, and the second air mixing duct is positioned between the third air volume adjusting valve and the equipment room;
the eighth air volume adjusting valve is arranged on the second air mixing air channel, and the ninth air volume adjusting valve is arranged on the third air mixing air channel;
follow the gas process of fourth air regulation valve combustion gas the second air inlet of second air mixing box gets into the second air mixing box, the gas in the second air mixing channel passes through the third air inlet of second air mixing box gets into the second air mixing box, the gas in the second air mixing box passes through the third gas outlet of second air mixing box is discharged, wherein, the third gas outlet of second air mixing box passes through gas with the room air supply channel for personnel extremely in the room for personnel, gas in the room for personnel can pass through the second return air mouth of second air mixing box discharges into in the second air mixing box.
8. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 7, further comprising a first air conditioner and a second air conditioner;
the first air conditioner is arranged on the air supply duct of the equipment room and used for changing the temperature of the gas discharged by the first air mixing box;
the second air conditioner is arranged on the air supply duct of the room for the personnel, and the second air conditioner is used for changing the temperature of the gas discharged by the second air mixing box.
9. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 2, further comprising a first return exhaust fan and a second return exhaust fan;
the first exhaust return fan is arranged on the air exhaust duct of the equipment room and used for exhausting gas in the equipment room;
the second exhaust fan is arranged on the air exhaust duct of the personnel room, and the second exhaust fan is used for exhausting gas in the personnel room.
10. The waste heat recovery heating system for the house of the subway station equipment as claimed in claim 7, further comprising a filter, said filter being disposed in said second air mixing duct, said filter being capable of filtering the air in said second air mixing duct.
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| CN202110463418.6A CN113237158B (en) | 2021-04-23 | 2021-04-23 | Waste heat recovery heating system for house for subway station equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110463418.6A CN113237158B (en) | 2021-04-23 | 2021-04-23 | Waste heat recovery heating system for house for subway station equipment |
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| CN113237158B CN113237158B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114165885A (en) * | 2021-12-17 | 2022-03-11 | 广东美的制冷设备有限公司 | Multi-split fresh air system control method and device, air conditioner and storage medium |
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| CN112503636A (en) * | 2020-11-30 | 2021-03-16 | 中铁第四勘察设计院集团有限公司 | Double-fan dynamic balance air conditioning system for room of subway station equipment personnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06117121A (en) * | 1992-10-07 | 1994-04-26 | Okumura Corp | Underground structure |
| CN208871777U (en) * | 2018-09-25 | 2019-05-17 | 中国铁路设计集团有限公司 | A kind of subway station recovery type heat ventilation and air conditioning system |
| CN110017560A (en) * | 2019-03-26 | 2019-07-16 | 中铁第一勘察设计院集团有限公司 | Severe cold area Subway Tunnel waste heat utilization system and its operation method |
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| CN112503636A (en) * | 2020-11-30 | 2021-03-16 | 中铁第四勘察设计院集团有限公司 | Double-fan dynamic balance air conditioning system for room of subway station equipment personnel |
Cited By (1)
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| CN114165885A (en) * | 2021-12-17 | 2022-03-11 | 广东美的制冷设备有限公司 | Multi-split fresh air system control method and device, air conditioner and storage medium |
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| CN113237158B (en) | 2022-05-13 |
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