CN112228988B - Heat recovery temperature-regulating radiation system - Google Patents

Heat recovery temperature-regulating radiation system

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Publication number
CN112228988B
CN112228988B CN202011120844.1A CN202011120844A CN112228988B CN 112228988 B CN112228988 B CN 112228988B CN 202011120844 A CN202011120844 A CN 202011120844A CN 112228988 B CN112228988 B CN 112228988B
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China
Prior art keywords
valve
opening
water
air
inlet
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Application number
CN202011120844.1A
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Chinese (zh)
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CN112228988A (en
Inventor
陈建刚
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Jingchuangmei Beijing Environmental Protection Technology Co ltd
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Jingchuangmei Beijing Environmental Protection Technology Co ltd
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Priority to CN202011120844.1A priority Critical patent/CN112228988B/en
Publication of CN112228988A publication Critical patent/CN112228988A/en
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Publication of CN112228988B publication Critical patent/CN112228988B/en
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Classifications

    • 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
    • F24F5/0089—Systems using radiation from walls or panels
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

本发明公开了一种热回收调温型辐射系统，本发明系统除了包括调温模块、毛细管供水模块外，将辐射空调系统所需要的其他设备，包含新风模块、控制器等全部集成在本发明的系统内。本发明同时针对集成度高的系统难以保证可靠性和稳定性的弊端，做了诸多提升稳定性和可靠性的技术手段和措施，以降低系统故障率，减少后期的维护成本，提升整个毛细管辐射系统的舒适性和用户体验。

The present invention discloses a heat recovery temperature-adjustable radiation system. In addition to the temperature-adjusting module and the capillary water supply module, the system of the present invention integrates all other equipment required for the radiation air-conditioning system, including the fresh air module and the controller, into the system of the present invention. The present invention also addresses the drawback that it is difficult to ensure reliability and stability for a highly integrated system, and has made many technical means and measures to improve stability and reliability, so as to reduce the system failure rate, reduce the subsequent maintenance costs, and improve the comfort and user experience of the entire capillary radiation system.

Description

Heat recovery temperature-regulating radiation system
Technical Field
The invention relates to the technical field of heating ventilation, in particular to a heat recovery temperature-regulating radiation system.
Background
The capillary radiation air conditioning system mainly needs to process three functions, namely capillary water temperature adjustment, fresh air treatment and centralized intelligent control, and is generally used in the industry, capillary water temperature adjustment is performed by independent equipment, fresh air treatment is performed by independent equipment, and centralized intelligent control is performed by independent control cabinets, so that the installation floor area of the equipment is increased, the construction amount of engineering is increased, the difficulty of engineering construction is increased, and hidden danger that the construction quality is difficult to guarantee is also caused.
For some units integrating a fresh air processing function and a capillary water supply temperature regulating function, due to the increase of the functions, the internal space of the unit is limited, and under the condition that the reliability and the stability are difficult to guarantee, the independent fresh air processing equipment and the independent capillary water temperature regulating equipment are simply spliced in one unit system, so that the failure rate of the unit system is increased, the maintenance is difficult, and the later user experience is influenced.
Disclosure of Invention
Therefore, the heat recovery temperature-regulating radiation system provided by the invention reduces the occupied area of equipment installation, solves the difficulty of engineering construction, reduces the construction difficulty, and is more beneficial to ensuring the overall quality of the whole capillary radiation system.
In order to achieve the above object, the present invention provides the following technical solutions:
the embodiment provides a heat recovery temperature-regulating radiation system, which comprises a containing space, a fresh air module, a temperature-regulating module and a capillary water supply module;
The accommodating space is provided with a fresh air area, a temperature adjusting area and a capillary water supply area, the fresh air module is arranged in the fresh air area, the temperature adjusting module is arranged in the temperature adjusting area, and the capillary water supply module is arranged in the capillary water supply area;
the fresh air area is provided with a fresh air port, an air outlet, an air return port and a communication air port, the temperature adjusting area is communicated with the capillary water supply area, and the capillary water supply area is provided with an air supply port.
Further, the fresh air module comprises a fresh air valve, a fresh air primary high-efficiency filter screen, a total heat exchanger, a blower, an exhaust fan, an exhaust primary filter screen, a fin condenser, an exhaust valve and a bypass air valve;
the fresh air valve is arranged in the fresh air port, the fin condenser and the exhaust valve are arranged in the exhaust port, and the air feeder is arranged in the communicated air port;
The total heat exchanger has a first inlet, a first outlet, a second inlet, and a second outlet, the first inlet and the first outlet being in communication, the second inlet and the second outlet being in communication;
the return air inlet is communicated with the first inlet of the total heat exchanger through an exhaust fan and an exhaust primary filter screen;
The exhaust valve is communicated with a first outlet of the total heat exchanger;
The fresh air valve is communicated with a second inlet of the total heat exchanger through a fresh air primary high-efficiency filter screen, and is communicated with the return air inlet through a side ventilation valve;
The inlet of the blower is communicated with the second outlet of the total heat exchanger.
Further, the fresh air module further comprises an ultraviolet light source, and the ultraviolet light source is arranged between the fresh air primary high-efficiency filter screen and the bypass air valve.
Further, the fresh air module further comprises a surface cooler, an evaporator, a reheater and a humidifier, wherein the surface cooler, the evaporator, the reheater and the humidifier are sequentially arranged between the communicating air port and the temperature adjusting area.
Further, the temperature adjusting module comprises a compressor, a four-way valve, a first filter, an expansion valve and a gas-liquid separator, wherein the compressor is provided with an air suction pipe and an exhaust pipe, the four-way valve is provided with a first valve opening, a second valve opening, a third valve opening and a fourth valve opening, the exhaust pipe of the compressor is connected with the first valve opening of the four-way valve, the second valve opening of the four-way valve is connected with an inlet of a fin condenser, an outlet of the fin condenser is connected with an inlet of a reheater, an outlet of the reheater is sequentially connected with an inlet of an evaporator through the first filter and the expansion valve, an outlet of the evaporator is connected with the third valve opening of the four-way valve, the fourth valve opening of the four-way valve is connected with the inlet of the gas-liquid separator, and an outlet of the gas-liquid separator is connected with the air suction pipe of the compressor.
Further, the capillary water supply module comprises a second filter, a water mixing tank, a proportional bypass valve, a water pump, a hot water electric valve, a plate heat exchanger, a gate valve, a cold water electric valve, a humidifying electric valve and a water supplementing electric valve;
the capillary water supply area is provided with a heat pump water outlet, a municipal hot water inlet, a heat pump water return port, a soft water inlet, an indoor water outlet, an indoor water supply port, a water drain port and a water drain port;
The water mixing tank is provided with a first opening, a second opening, a third opening and a fourth opening, the proportional bypass valve is provided with the first opening, the second opening and the third opening, and the plate heat exchanger is provided with the first opening, the second opening, the third opening and the fourth opening;
The first opening of the water mixing tank is communicated with the second opening of the proportional bypass valve, the second opening of the water mixing tank is communicated with the second opening of the plate heat exchanger, the second opening of the water mixing tank is communicated with the inlet of the surface air cooler through the cold water electric valve, the third opening of the water mixing tank is communicated with the third opening of the proportional bypass valve, the third opening of the water mixing tank is communicated with the indoor water outlet through the second filter, the fourth opening of the water mixing tank is communicated with the hot pump water return port through the gate valve, the fourth opening of the water mixing tank is communicated with the outlet of the surface air cooler through the gate valve, the first opening of the plate heat exchanger is communicated with the municipal hot water inlet through the hot water electric valve, the third opening of the plate heat exchanger is communicated with the municipal hot water outlet, and the fourth opening of the plate heat exchanger is communicated with the heat pump water outlet;
The soft water inlet is communicated with an indoor water outlet through a water supplementing electric valve, the soft water inlet is communicated with a water inlet of the humidifier through a humidifying electric valve, the indoor water supply port is communicated with a first opening of a proportional bypass valve through a water pump, the water discharge port is communicated with the first opening of the proportional bypass valve, and the water discharge port is communicated with a water outlet of the humidifier.
Further, the capillary water supply module further comprises a pressure switch and a backwater temperature sensor, and the third opening of the water mixing tank is communicated with the indoor water outlet through the backwater temperature sensor, the pressure switch and the second filter in sequence.
Further, the capillary water supply module further comprises a water supply temperature sensor, and the indoor water supply port is communicated with the first opening of the proportional bypass valve through the water supply temperature sensor and the water pump.
Further, the heat recovery temperature regulation type radiation system further comprises a controller for controlling the fresh air module, the temperature regulation module and the capillary water supply module.
The invention has the following advantages:
The invention simultaneously aims at the defect that the reliability and the stability of the system with high integration level are difficult to ensure, and makes a plurality of technical means and measures for improving the stability and the reliability so as to reduce the failure rate of the system, reduce the later maintenance cost and improve the comfort and the user experience of the whole capillary radiation system.
The invention relates to equipment for a high-integration-level radiation air conditioning system, which comprises a temperature adjusting module and a capillary water supply module, and other equipment required by the radiation air conditioning system, including a fresh air module, a controller and the like, are all integrated in the system.
The fresh air treatment equipment comprises fresh air filtering, sterilizing, heat recovery, dehumidifying, humidifying and temperature regulating functions. Wherein the dehumidification adopts the precooling dehumidification of a total heat exchanger, the secondary dehumidification of a surface cooler and the tertiary dehumidification of a direct expansion evaporator; the capillary water supply module comprises an indoor water supply temperature regulation function, a cold and heat source selection function and a constant pressure water supplementing function, and the centralized control function of the radiation air conditioning system can comprise control, operation monitoring, fault treatment and remote cloud platform monitoring maintenance of fresh air equipment, water temperature processing equipment, indoor temperature and humidity and air quality monitoring equipment.
The total heat exchanger for precooling and dehumidifying utilizes the characteristics that the indoor side air is low in temperature, low in humidity and low in enthalpy value, the outdoor fresh air side air is high in temperature, high in humidity and high in enthalpy value when the heat recovery temperature-regulating radiation system is in dehumidification operation, the outdoor fresh air is subjected to total heat exchange with indoor exhaust air, the enthalpy value of the outdoor fresh air is reduced, and then the outdoor fresh air is dehumidified through the surface air cooler and the evaporator, so that the heat load of the subsequent surface air cooler and the evaporator is reduced, and the purposes of reducing energy consumption and improving energy consumption efficiency are achieved. Because the enthalpy value of the outdoor fresh air and the enthalpy value of the indoor exhaust air are larger, the total heat exchange process can achieve higher efficiency, so that more energy consumption can be reduced in the fresh air dehumidification process, and the energy consumption efficiency is improved greatly. In heating seasons, the enthalpy value of outdoor fresh air is larger than that of indoor exhaust air, and the total heat exchange process still has higher efficiency, so that the front total heat exchanger is added for fresh air dehumidifying and humidifying equipment for a heat recovery temperature-regulating radiation system, so that annual operation energy consumption can be effectively reduced, annual operation energy consumption efficiency is improved, and meanwhile, the air inlet working conditions of a secondary dehumidifying surface air cooler and a tertiary dehumidifying evaporator are stabilized, and the stability and reliability of the system are improved.
The water inlet pipeline of the secondary dehumidifying surface cooler is provided with a proportional two-way valve, and the water flow entering the surface cooler is controlled through the proportional two-way valve, so that the air supply moisture content of the system can be always kept at a relatively stable value under various dehumidifying working conditions, and the stability and the reliability of the system are improved.
The fin condenser and the exhaust valve are arranged in parallel at the exhaust side, the air quantity passing through the fin condenser is increased or reduced by adjusting the opening of the exhaust valve, the heat dissipation capacity of the fin condenser is adjusted, and then the heat dissipation capacity of the reheater is adjusted, so that the air supply temperature of the system can be always kept at a relatively stable value under various dehumidification working conditions, and the stability and the reliability of the system are improved.
The direct expansion evaporator is positioned in the vapor compression circulation system, the four-way valve is additionally arranged at the exhaust port of the compressor, when the frosting heat exchange efficiency of the evaporator is reduced under certain specific working conditions, the flow direction of high-temperature refrigerant discharged by the compressor is changed by controlling the conversion of the four-way valve, so that the dehumidification efficiency of the evaporator can be recovered by rapidly removing the frost on the evaporator, the dehumidification efficiency of the system is improved, and the stability and the reliability of the system are improved.
The fresh air port is provided with the fresh air valve, the fresh air valve can be closed by controlling the fresh air valve and the fresh air port, the fresh air valve is opened, the system can enter a return air recirculation mode when operated under specific working conditions, the energy consumption of the system is reduced, the annual operation energy consumption efficiency of the system is improved, and the stability and the reliability of the system are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the scope of the invention.
FIG. 1 is a schematic diagram of a heat recovery temperature regulating radiation system according to the present invention;
FIG. 2 is a schematic diagram of the ventilation cooling and refrigeration dehumidification of the heat recovery attemperation type radiation system provided by the present invention;
FIG. 3 is a schematic diagram of a cooling and dehumidifying pattern of the heat recovery temperature regulating radiation system provided by the present invention;
FIG. 4 is a diagram showing a dehumidification and heating mode of the heat recovery temperature-regulating radiation system provided by the invention;
FIG. 5 is a schematic diagram of a ventilation mode of the heat recovery and temperature regulation type radiation system provided by the invention;
fig. 6 is a diagram showing a ventilation heating mode and a heating and humidifying mode of the heat recovery temperature-regulating radiation system provided by the invention;
FIG. 7 is a schematic diagram of a heating and humidifying mode of the heat recovery temperature-regulated radiation system according to the present invention;
In the figure:
Fresh air valve 1, fresh air primary high-efficiency filter screen 2, total heat exchanger 3, blower 4, surface cooler 5, evaporator 6, reheater 7, humidifier 8, exhaust fan 9, exhaust primary filter screen 10, fin condenser 11, exhaust valve 12, bypass air valve 13, and ultraviolet light source 14;
Compressor 201, four-way valve 202, first filter 203, expansion valve 204, gas-liquid separator 205, second filter 101, pressure switch 102, backwater temperature sensor 103, mixing tank 104, proportional bypass valve 105, water supply temperature sensor 106, water pump 107, hot water electric valve 108, plate heat exchanger 109, gate valve 110, cold water electric valve 111, humidification electric valve 112, make-up water electric valve 113;
A heat pump water outlet 301, a municipal hot water outlet 302, a municipal hot water inlet 303, a heat pump water return port 304, a soft water inlet 305, an indoor water outlet 306, an indoor water supply port 307, a water drain port 308 and a water drain port 309;
the air conditioner comprises an accommodating space 400, a fresh air area 401, a temperature adjusting area 402, a capillary water supply area 403, a fresh air port 404, an air outlet 405, a return air port 406 and an air supply port 407;
And a controller 500.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a heat recovery tempering type radiation system including a receiving space 400, a fresh air module, a tempering module, and a capillary water supply module;
The accommodating space 400 is provided with a fresh air area 401, a temperature adjusting area 402 and a capillary water supply area 403, the fresh air module is arranged in the fresh air area 401, the temperature adjusting module is arranged in the temperature adjusting area 402, and the capillary water supply module is arranged in the capillary water supply area 403;
The fresh air area 401 is provided with a fresh air port 404, an air outlet 405, an air return port 406 and a communication air port, the temperature adjusting area 402 is communicated with the capillary water supply area 403, and the capillary water supply area 403 is provided with an air supply port 407.
According to the embodiment, the fresh air module, the temperature adjusting module and the capillary water supply module are integrated in the accommodating space, so that the occupied area of equipment installation is reduced, the difficulty of engineering construction is solved, the construction difficulty is reduced, and the whole quality of the whole capillary radiation system is guaranteed.
Example 2
As shown in fig. 1, the fresh air module comprises a fresh air valve 1, a fresh air primary high-efficiency filter screen 2, a total heat exchanger 3, a blower 4, an exhaust fan 9, an exhaust primary filter screen 10, a fin condenser 11, an exhaust valve 12 and a bypass air valve 13;
The fresh air valve 1 is arranged in a fresh air port 404, the fin condenser 11 and the exhaust valve 12 are arranged in an exhaust port 405, and the blower 4 is arranged in the communication air port;
The total heat exchanger 3 has a first inlet, a first outlet, a second inlet and a second outlet, the first inlet and the first outlet being in communication, the second inlet and the second outlet being in communication;
the return air inlet 406 is communicated with the first inlet of the total heat exchanger 3 through the exhaust fan 9 and the exhaust primary filter screen 10;
the exhaust valve 12 is communicated with a first outlet of the total heat exchanger 3;
The fresh air valve 1 is communicated with a second inlet of the total heat exchanger 3 through a fresh air primary high-efficiency filter screen 2, and the fresh air valve 1 is communicated with the return air inlet 406 through a side ventilation valve 13;
the inlet of the blower 4 communicates with the second outlet of the total heat exchanger 3.
According to the embodiment, fresh air filtering is realized through the fresh air primary high-efficiency filter screen 2, the temperature of return air is reduced through the fin condenser 11, the air is filtered through the air exhaust primary filter screen 10, heat exchange is performed on the fresh air and the return air through the total heat exchanger, and the efficiency of the return air is fully utilized.
According to the embodiment, the fin condenser and the air exhaust valve are arranged on the air exhaust side in parallel, the air quantity passing through the fin condenser is increased or reduced by adjusting the opening of the air exhaust valve, the heat dissipation capacity of the fin condenser is adjusted, the heat dissipation capacity of the reheater is adjusted, the air supply temperature of the system can be always kept at a stable value under various dehumidification working conditions, and the stability and the reliability of the system are improved.
Example 3
As shown in fig. 1, the fresh air module further includes an ultraviolet light source 14, where the ultraviolet light source 14 is disposed between the fresh air primary high-efficiency filter screen 2 and the bypass air valve 13. In this embodiment, the ultraviolet light source 14 is used for sterilizing the fresh air, so that the bacterial and viral quantity in the fresh air is reduced.
Example 4
As shown in fig. 1, the fresh air module further includes a surface cooler 5, an evaporator 6, a reheater 7 and a humidifier 8, where the surface cooler 5, the evaporator 6, the reheater 7 and the humidifier 8 are sequentially arranged between the communicating tuyere and the temperature adjusting region 402. In the embodiment, the surface cooler 5, the evaporator 6, the reheater 7 and the humidifier 8 cool, dehumidify, heat and humidify fresh air, so that the comfort level of the air sent out by the air supply outlet is improved.
Example 5
As shown in fig. 1, the temperature adjustment module includes a compressor 201, a four-way valve 202, a first filter 203, an expansion valve 204, and a gas-liquid separator 205, where the compressor 201 has an air intake pipe and an air exhaust pipe, the four-way valve 202 has a first valve port, a second valve port, a third valve port, and a fourth valve port, the air exhaust pipe of the compressor 201 is connected to the first valve port of the four-way valve 202, the second valve port of the four-way valve 202 is connected to the inlet of the fin condenser 11, the outlet of the fin condenser 11 is connected to the inlet of the reheater 7, the outlet of the reheater 7 is connected to the inlet of the evaporator 6 sequentially through the first filter 203 and the expansion valve 204, the outlet of the evaporator 6 is connected to the third valve port of the four-way valve 202, the fourth valve port of the four-way valve 202 is connected to the inlet of the gas-liquid separator 205, and the outlet of the gas-liquid separator 205 is connected to the air intake pipe of the compressor 201.
The water inlet pipeline of the secondary dehumidifying surface cooler is provided with the proportional two-way valve, and the water flow entering the surface cooler is controlled through the proportional two-way valve, so that the air supply moisture content of the system can be always kept at a relatively stable value under various dehumidifying working conditions, and the stability and the reliability of the system are improved.
In the embodiment, the direct expansion evaporator is positioned in the vapor compression circulating system, the four-way valve is additionally arranged at the exhaust port of the compressor, when the frosting heat exchange efficiency of the evaporator is reduced under certain specific working conditions, the flow direction of high-temperature refrigerant discharged by the compressor is changed by controlling the conversion of the four-way valve, so that the dehumidification efficiency of the evaporator can be recovered by rapidly removing the frost on the evaporator, and the dehumidification efficiency of the system is improved, and the stability and the reliability of the system are improved.
Example 6
As shown in fig. 1, the capillary water supply module includes a second filter 101, a mixing tank 104, a proportional bypass valve 105, a water pump 107, a hot water electric valve 108, a plate heat exchanger 109, a gate valve 110, a cold water electric valve 111, a humidifying electric valve 112, and a water supplementing electric valve 113;
The capillary water supply area 403 is provided with a heat pump water outlet 301, a municipal hot water outlet 302, a municipal hot water inlet 303, a heat pump water return port 304, a soft water inlet 305, an indoor water outlet 306, an indoor water supply port 307, a water drain port 308 and a water drain port 309;
The water mixing tank 104 has a first opening, a second opening, a third opening, and a fourth opening, the proportional bypass valve 105 has a first opening, a second opening, and a third opening, and the plate heat exchanger 109 has a first opening, a second opening, a third opening, and a fourth opening;
The first opening of the water mixing tank 104 is communicated with the second opening of the proportional bypass valve 105, the second opening of the water mixing tank 104 is communicated with the second opening of the plate heat exchanger 109, the second opening of the water mixing tank 104 is communicated with the inlet of the surface cooler 5 through the cold water electric valve 111, the third opening of the water mixing tank 104 is communicated with the third opening of the proportional bypass valve 105, the third opening of the water mixing tank 104 is communicated with the indoor water outlet 306 through the second filter 101, the fourth opening of the water mixing tank 104 is communicated with the heat pump water return 304 through the gate valve 110, the fourth opening of the water mixing tank 104 is communicated with the outlet of the surface cooler 5 through the gate valve 110, the first opening of the plate heat exchanger 109 is communicated with the municipal hot water inlet 303 through the hot water electric valve 108, the third opening of the plate heat exchanger 109 is communicated with the municipal hot water outlet 302, and the fourth opening of the plate heat exchanger 109 is communicated with the heat pump water outlet 301;
The soft water inlet 305 is communicated with the indoor water outlet 306 through the water supplementing electric valve 113, the soft water inlet 305 is communicated with the water inlet of the humidifier 8 through the humidifying electric valve 112, the indoor water supply port 307 is communicated with the first opening of the proportional bypass valve 105 through the water pump 107, the water drain port 308 is communicated with the first opening of the proportional bypass valve 105, and the water drain port 309 is communicated with the water outlet of the humidifier 8.
The capillary water temperature adjustment of the capillary water supply module of the embodiment comprises indoor water supply temperature adjustment, cold and heat source selection and constant pressure water supplementing functions, and is powerful in function, good in practicality and specific in use mode, and the specific use modes are described in detail in embodiments 10-16.
Example 7
As shown in fig. 1, the capillary water supply module further includes a pressure switch 102 and a backwater temperature sensor 103, and the third opening of the water mixing tank 104 is sequentially connected to the indoor water outlet through the backwater temperature sensor 103, the pressure switch 102 and the second filter 101.
The embodiment can realize backwater temperature and pressure detection and filtration through the backwater temperature sensor 103, the pressure switch 102 and the second filter 101, thereby improving backwater temperature and pressure regulation accuracy and reducing particulate matters.
Example 8
As shown in fig. 1, the capillary water supply module further includes a water supply temperature sensor 106, and the indoor water supply port 307 communicates with the first opening of the proportional bypass valve 105 through the water supply temperature sensor 106 and the water pump 107. The present embodiment achieves accurate adjustment of the water supply temperature by providing the water supply temperature sensor 106.
Example 9
As shown in fig. 1, the heat recovery tempering type radiation system further includes a controller 500 controlling the fresh air module, the tempering module, and the capillary water supply module. In this embodiment, the three modules are controlled by air to accommodate different modes of requirements.
Example 10
As shown in fig. 1, this embodiment provides a connection manner of the system:
The outdoor fresh air pipe is connected to a fresh air port 404 of the system, the indoor return air pipe is connected to a system return air port 406, the indoor exhaust air pipe is connected to a system exhaust air port 405, and the fresh air supply pipe is connected to a system supply air port 407. The fresh air inlet 404 is provided with a fresh air valve 1, a total heat exchanger 3 is arranged between the fresh air valve 1 and an air outlet 405 in the system, a fresh air primary high-efficiency filter screen 2 is arranged on the fresh air inlet side of the total heat exchanger 3, an ultraviolet light source 14 is arranged near the fresh air primary high-efficiency filter screen 2, an air exhaust primary filter screen 10 is arranged on the air return inlet side of the total heat exchanger 3, a blower 4 is arranged on the fresh air outlet side of the total heat exchanger 3, a fin condenser 11 and an air exhaust valve 12 are arranged between the air outlet 405 of the system and the total heat exchanger 3 in parallel, an air return temperature and humidity sensor 300 is arranged in an air return port 406 of the system, an exhaust fan 9 is arranged between the air return port 406 of the system and the air exhaust primary filter screen 10, a side ventilation valve 13 is arranged between the air return port of the system and the fresh air valve 1, and a surface air cooler 5, an evaporator 6, a reheater 7 and a humidifier 8 are sequentially arranged in an air channel in the system from which the air outlet 4 is arranged.
A compressor 201 is arranged in an internal air duct between the humidifier 8 and the system air supply outlet 407, an exhaust pipe of the compressor 201 is connected with a first valve opening of the four-way valve 202, a second valve opening of the four-way valve 202 is connected with an inlet of the fin condenser 11, an outlet of the fin condenser 11 is connected with an inlet of the reheater 7, an outlet of the reheater 7 is sequentially connected with the first filter 203 and an inlet of the expansion valve 204, an outlet of the expansion valve 204 is connected with an inlet of the evaporator 6, an outlet of the evaporator 6 is connected with a third valve opening of the four-way valve 202, a fourth valve opening of the four-way valve 202 is connected with an inlet of the gas-liquid separator 205, and an outlet of the gas-liquid separator 205 is connected with an air suction pipe of the compressor 201.
A water pump 107 is provided in the internal air passage between the humidifier 8 and the system air supply port 407, an inlet of the water pump 107 is connected to a first opening of the proportional bypass valve 105, a water supply temperature sensor 106, a drain pipe and a drain shutoff valve are provided in a three-way joint in a pipe between the water pump 107 and the proportional bypass valve 105, a second opening of the proportional bypass valve 105 is connected to a first opening (left outlet) of the water mixing tank 104, and a third opening of the proportional bypass valve 105 is connected to a pipe between the second filter 101 and the water mixing tank 104 in a three-way joint. The third opening (left inlet) of the water mixing tank 104 is connected with the outlet of the second filter 101, the inlet of the second filter 101 is connected with an indoor water outlet stop valve, a pressure switch 102 and a backwater temperature sensor 103 are arranged on a pipeline between the second filter 101 and the water mixing tank 104 and close to the second filter 101, the pipeline between the second filter 101 and the indoor water outlet stop valve is connected with the outlet of the water supplementing valve 113 by a tee joint, the inlet of the water supplementing electric valve 113 is connected with the outlet of a one-way valve, the inlet of the one-way valve is connected with a soft water stop valve, the pipeline between the inlet of the one-way valve and the soft water stop valve is connected with the inlet of the humidifying electric valve 112 by a tee joint, and the outlet of the humidifying electric valve 112 is connected with the inlet of the humidifier 8. The second opening (right inlet) of the water mixing tank 104 is connected with the second opening (right outlet) of the plate heat exchanger 109, the fourth opening (right inlet) of the plate heat exchanger 109 is connected with the heat pump water outlet stop valve, the pipeline between the plate heat exchanger 109 and the water mixing tank 104 is connected with the inlet of the cold water electric valve 111 by a tee joint, the outlet of the cold water electric valve 111 is connected with the inlet of the surface cooler 5, the second opening (right outlet) of the water mixing tank 104 is connected with the inlet of the gate valve 110, the outlet of the gate valve 110 is connected with the heat pump water return stop valve, and the pipeline between the gate valve 110 and the heat pump water return stop valve is connected with the outlet of the surface cooler 5 by a tee joint. The first opening (left inlet) of the plate heat exchanger 109 is connected to the outlet of the hot water electric valve 108, the inlet of the hot water electric valve 108 is connected to the municipal hot water supply stop valve, and the third opening (left outlet) of the plate heat exchanger 109 is connected to the municipal hot water return stop valve.
The controller 500 of the system is arranged in the system air duct at the side of the air supply port 407, and controls the actions of the fresh air valve 1, the air blower 4, the exhaust valve 12, the bypass air valve 13, the ultraviolet light source 14, the exhaust fan 9, the compressor 201, the four-way valve 202, the proportional bypass valve 105, the water pump 107, the hot water electric valve 108, the cold water electric valve 111, the humidifying electric valve 112, the water supplementing electric valve 113 through the sensing data of the sensors such as the return air temperature sensor, the air supply temperature sensor, the fresh air temperature sensor, the pressure switch 102, the water supply temperature sensor, the return water temperature sensor and the like, and controls the actions of the cold and hot source heat pump unit, the user side terminal operation panel, the terminal waterway valve and the like through the data line, so that different modes of the system are implemented, and specific modes are described in embodiments 11-16.
Example 11
As shown in fig. 2, this embodiment describes the aeration-cooling and cooling dehumidification modes of the system:
When the controller judges that the ventilation cooling and refrigeration dehumidification mode is entered, the fresh air valve 1 is opened, the side ventilation valve 13 is closed, the blower 4 is started, the exhaust fan 9 is started, the ultraviolet light source 14 is started, the cold and heat source heat pump unit is started for refrigeration, the water pump 107 is started, the hot water electric valve 108 is closed, the humidifying electric valve 112 is closed, the compressor 201 is started, and the four-way valve 202 is powered off.
After the blower 4 is started, outdoor fresh air enters the system through the fresh air valve 1, is sucked by the blower 4 after passing through the fresh air primary high-efficiency filter screen 2 and the total heat exchanger 3 in sequence, is pressurized and then is sent out, passes through the surface cooler 5, the evaporator 6, the reheater 7 and the humidifier 8 in sequence, and finally is sent into a room from the air supply outlet 407 through an air duct in the system, so that a continuous fresh air treatment process is formed. After the exhaust fan 9 is started, indoor return air enters the system through the return air inlet 406, enters the total heat exchanger 3 through the exhaust primary filter screen 10 after being pressurized by the exhaust fan 9, comes out after complete heat exchange with fresh air in the total heat exchanger 3, and is discharged to the outside through the exhaust outlet 405 after passing through the fin condenser 11, so that the indoor exhaust process is completed.
After the compressor 201 is started, the discharged high-temperature and high-pressure refrigerant gas enters the fin condenser 11 through the four-way valve 202, is discharged after heat release and temperature reduction are completed under the heat radiation effect of exhaust air through the fin condenser 11, enters the reheater 7, exchanges heat with fresh air passing through the reheater 7, achieves further heat release and temperature reduction, is condensed into liquid, then enters the expansion valve 204 through the first filter 203, becomes a low-temperature and low-pressure refrigerant gas-liquid mixture after expansion throttling through the expansion valve 204, enters the evaporator 6, is evaporated in the evaporator 6 to absorb heat of fresh air discharged from the surface air cooler 5, and then becomes low-temperature and low-pressure refrigerant gas, and the low-temperature and low-pressure refrigerant gas discharged from the evaporator 6 enters the air suction end of the compressor 201 through the four-way valve 202 again and is compressed and discharged again by the compressor 201 to form continuous refrigerant vapor compression circulation.
After the cold and hot source heat pump unit starts refrigeration, 7 ℃ cold water is provided and enters the system through the heat pump water outlet stop valve, a part of the cold water enters the water mixing tank 104 after passing through the plate heat exchanger 109, after the water mixing heat exchange in the water mixing tank 104 is finished, the cold water comes out of a fourth opening (right side outlet) of the water mixing tank 104, and returns to the cold and hot source heat pump unit through the heat pump water return stop valve, another part of cold water coming out of the plate heat exchanger 109 enters the surface air cooler 5 through the tee joint and the cold water electric valve 111, after the fresh air is cooled and dehumidified in the surface air cooler 5, the cold water comes out and returns to a pipeline between the water mixing tank 104 and the heat pump water return stop valve through the tee joint, and returns to the cold and hot source heat pump unit.
After the water pump 107 is started, cold water at 18 ℃ is supplied to the tail end of the indoor capillary tube through the indoor water supply stop valve, after heat exchange is completed at the tail end of the indoor capillary tube, the cold water comes out of the tail end of the indoor capillary tube, passes through the indoor water outlet stop valve, enters the system, enters the water mixing tank 104 through the second filter 101, completes water mixing heat exchange with cold water from the cold and heat source heat pump unit in the water mixing tank 104, and returns to the inlet of the water pump 107 after being regulated by the proportional bypass valve 105.
After the ultraviolet light source 14 is started, ultraviolet light with specific wavelength is continuously irradiated to the surface of the fresh air primary high-efficiency filter screen 2, harmful bacteria and viruses attached to the surface of the fresh air primary high-efficiency filter screen 2 are eliminated, and air is purified. Meanwhile, the photocatalyst component can be added to release negative oxygen ions and refresh air.
The centralized controller of the system adjusts the opening of the proportional bypass valve 105 according to the value of the water supply temperature sensor, so as to realize accurate control of the indoor water supply temperature, adjusts the opening of the cold water electric valve 111 according to the value of the air supply moisture content, realizes accurate control of the air supply humidity, adjusts the opening of the exhaust valve 12 according to the value of the air supply temperature, and realizes accurate control of the air supply temperature.
Example 12
As shown in fig. 3, the present embodiment describes a cooling and dehumidifying mode of the system:
When the controller judges that the refrigerating and dehumidifying mode is entered, the fresh air valve 1 is closed, the bypass air valve 13 is opened, the air blower 4 is started, the exhaust fan 9 is started, the ultraviolet light source 14 is started, the cold and heat source heat pump unit is started for refrigerating, the water pump 107 is started, the hot water electric valve 108 is closed, the humidifying electric valve 112 is closed, the compressor 201 is started, and the four-way valve 202 is powered off.
After the blower 4 is started, indoor return air enters the system through the return air inlet 406, is sucked by the blower 4 after passing through the side ventilation valve 13, the fresh air primary high-efficiency filter screen 2 and the total heat exchanger 3 in sequence, is pressurized and sent out, passes through the surface cooler 5, the evaporator 6, the reheater 7 and the humidifier 8 in sequence, and finally is sent into the room from the return air inlet 407 through an air channel in the system to form a continuous return air reprocessing process. After the exhaust fan 9 is started, the indoor return air enters from the return air inlet 406 and exits from the exhaust outlet 405 in the same mode of ventilation, cooling, refrigeration and dehumidification, and the indoor exhaust process is completed.
After the compressor 201 is started, the refrigerant cycle is continuously vapor-compressed among the compressor 201, the four-way valve 202, the first filter 203, the expansion valve 204, the gas-liquid separator 205, the fin condenser 11, the reheater 7, and the evaporator 6, as in the cooling and cooling mode.
After the cold-heat source heat pump unit starts refrigeration, the cold water completes continuous circulation among the cold-heat source heat pump unit, the plate heat exchanger 109, the water mixing tank 104 and the surface cooler 5 as in the ventilation cooling and refrigeration dehumidification modes.
After the water pump 107 is started, the cold water is circulated continuously among the capillary tube at the indoor end, the water mixing tank 104, the proportional bypass valve 105 and the water pump 107 in the same manner as in the aeration-cooling and refrigeration dehumidification modes.
After the uv light source 14 is activated, the return air is purified and freshened as in the aeration-cooling and refrigeration dehumidification modes.
And the centralized controller of the system is the same as the ventilation cooling and refrigeration dehumidifying modes, and is used for accurately controlling the air supply humidity and air supply stability of the system and the indoor water supply temperature.
Example 13
As shown in fig. 4, the present embodiment describes a dehumidification warming mode of the system:
When the controller judges that the dehumidification heating mode is entered, the fresh air valve 1 is closed, the bypass air valve 13 is opened, the air blower 4 is started, the exhaust fan 9 is closed, the ultraviolet light source 14 is started, the cold and heat source heat pump unit is closed, the water pump 107 is closed, the hot water electric valve 108 is closed, the humidifying electric valve 112 is closed, the compressor 201 is closed, and the four-way valve 202 is powered off.
After the blower 4 is started, as in the refrigeration and dehumidification mode, the indoor return air enters the system through the return air inlet and is sent to the room from the air supply inlet, so that a continuous indoor return air reprocessing process is formed.
After the compressor 201 is started, the refrigerant cycle is the same as the ventilating, cooling and dehumidifying modes, and a continuous vapor compression cycle is formed among the compressor 201, the four-way valve 202, the first filter 203, the expansion valve 204, the gas-liquid separator 205, the fin condenser 11, the reheater 7 and the evaporator 6, and the fin condenser 11 does not take on the heat dissipation effect due to the closing of the exhaust fan 9, and the reheater 7 takes on all the heat dissipation capacity of the refrigerant, so that the indoor return air temperature after passing through the reheater 7 can rise.
After the cold-heat source heat pump unit starts refrigeration, the cold water completes continuous circulation among the cold-heat source heat pump unit, the plate heat exchanger 109, the water mixing tank 104 and the surface cooler 5 as in the ventilation cooling and refrigeration dehumidification modes.
After the uv light source 14 is activated, the return air is purified and freshened as in the aeration-cooling and refrigeration dehumidification modes.
And the controller centralized in the system adjusts the opening of the cold water electric valve 111 only according to the value of the moisture content of the air supply, so as to realize the accurate control of the air supply humidity.
Example 14
As shown in fig. 5, this embodiment describes the ventilation mode of the system:
When the controller judges that the ventilation mode is entered, the fresh air valve 1 is opened, the side ventilation valve 13 is closed, the blower 4 is started, the exhaust fan 9 is started, the ultraviolet light source 14 is started, the cold and hot source heat pump unit is closed, the water pump 107 is closed, the hot water electric valve 108 is closed, the humidifying electric valve 112 is closed, the compressor 201 is closed, and the four-way valve 202 is powered off.
After the uv light source 14 is activated, the return air is purified and freshened as in the aeration-cooling and refrigeration dehumidification modes.
After the blower 4 is started, like the ventilation cooling and refrigeration dehumidifying modes, outdoor fresh air enters the system through the fresh air valve 1 and is sent indoors from the air supply port, so that a continuous fresh air treatment process is formed. After the exhaust fan 9 is started, the indoor return air enters the system through the return air inlet as in the ventilation cooling and refrigeration dehumidifying modes, and is discharged outdoors through the exhaust outlet, so that the indoor exhaust process is completed.
Example 15
As shown in fig. 6, this embodiment describes a ventilation heating+heating humidification mode of the system:
When the controller judges that the ventilation heating and heating humidification mode is entered, the fresh air valve 1 is opened, the side ventilation valve 13 is closed, the blower 4 is started, the exhaust fan 9 is started, the ultraviolet light source 14 is started, the cold and heat source heat pump unit is started for heating, the water pump 107 is started, the hot water electric valve 108 is opened, the humidification electric valve 112 is opened, the compressor 201 is closed, and the four-way valve 202 is powered off.
After the blower 4 is started, like the ventilation cooling and refrigeration dehumidifying modes, outdoor fresh air enters the system through the fresh air valve 1 and is sent indoors from the air supply port, so that a continuous fresh air treatment process is formed. After the exhaust fan 9 is started, the indoor return air enters the system through the return air inlet 406 as in the ventilation cooling and refrigeration dehumidifying modes, and is discharged outdoors through the exhaust outlet, so that the indoor exhaust process is completed.
After the cold and hot source heat pump unit starts heating, 45 ℃ cold water is provided to enter the system through the heat pump water outlet stop valve, part of the cold water enters the water mixing tank 104 after passing through the plate heat exchanger 109, the cold water comes out from the right side outlet of the water mixing tank 104 after completing water mixing heat exchange in the water mixing tank 104, and returns to the cold and heat source heat pump unit through the heat pump water return stop valve, the other part of cold water coming out from the plate heat exchanger 109 enters the surface air cooler 5 through the tee joint and the cold water electric valve 111, after the temperature of fresh air in the surface air cooler 5 is raised, the cold water comes out to return to a pipeline between the water mixing tank 104 and the heat pump water return stop valve through the tee joint, and returns to the cold and hot source heat pump unit together.
After the hot water electric valve 108 is opened, municipal hot water enters the system through the hot water supply stop valve, enters the plate heat exchanger 109 through the hot water electric valve 108, exchanges heat with hot water fed by the cold and hot source heat pump unit in the plate heat exchanger 109, and returns to the municipal hot water pipeline through the hot water return stop valve from a third opening (left outlet) of the plate heat exchanger 109.
After the water pump 107 is started, hot water at 35 ℃ is supplied to enter the tail end of the indoor capillary tube through the indoor water supply stop valve, after heat exchange is completed at the tail end of the indoor capillary tube, the hot water flows out of the tail end of the indoor capillary tube, passes through the indoor water outlet stop valve, enters the system, enters the water mixing tank 104 through the second filter 101, completes water mixing heat exchange with hot water from the cold and heat source heat pump unit in the water mixing tank 104, and returns to the inlet of the water pump 107 after being regulated by the proportional bypass valve 105.
After the humidifying electric valve 112 is opened, water from the water softener enters the system after passing through the soft water stop valve, enters the humidifier 8 after passing through the humidifying electric valve 112, humidifies hot air sent from the surface air cooler 5 in the humidifier 8, and the surplus water after humidification is discharged out of the system from a drain pan of the system through a drain pipe.
After the uv light source 14 is activated, the return air is purified and freshened as in the aeration-cooling and refrigeration dehumidification modes.
The centralized controller of the system adjusts the opening of the proportional bypass valve 105 according to the value of the water supply temperature sensor, so as to realize accurate control of indoor water supply temperature, adjusts the start and stop of the humidifying electric valve 112 according to the value of the air supply humidity, realizes accurate control of the air supply humidity, adjusts the opening of the cold water electric valve 111 according to the value of the air supply temperature, and realizes accurate control of the air supply temperature.
Example 16
As shown in fig. 7, the present embodiment describes a heating and humidifying mode of the system:
when the controller judges that the heating and humidifying mode is entered, the fresh air valve 1 is closed, the bypass air valve 13 is opened, the air blower 4 is started, the exhaust fan 9 is closed, the ultraviolet light source 14 is started, the cold and hot source heat pump unit is started for heating, the water pump 107 is started, the hot water electric valve 108 is opened, the humidifying electric valve 112 is opened, the compressor 201 is closed, and the four-way valve 202 is powered off.
After the blower 4 is started, as in the cooling and dehumidifying mode, the indoor return air enters the system through the return air inlet 406 and is sent into the room from the air supply outlet 407, so that a continuous indoor return air reprocessing process is formed.
After the cold and heat source heat pump unit starts heating, the same ventilation heating and heating humidification mode is adopted, and the hot water completes continuous circulation among the cold and heat source heat pump unit, the plate heat exchanger 109, the water mixing tank 104 and the surface cooler 5.
After the hot water electric valve 108 is opened, the municipal hot water completes continuous circulation among the municipal hot water pipeline, the hot water electric valve 108 and the plate heat exchanger 109 as in the ventilation heating and heating humidification modes.
After the water pump 107 is started, like the ventilation heating and heating humidification mode, the hot water completes continuous circulation among the indoor end capillary tube, the water mixing tank 104, the proportional bypass valve 105 and the water pump 107.
After the humidification motor-operated valve 112 is opened, the air to be reprocessed in the room is humidified with soft water as in the ventilation heating and heating humidification modes.
After the uv light source 14 is activated, the return air is purified and freshened as in the aeration-cooling and refrigeration dehumidification modes.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

Claims (8)

1. A heat recovery attemperation radiation system, characterized in that the heat recovery attemperation radiation system comprises a receiving space (400), a fresh air module, an attemperation module, and a capillary water supply module;
The accommodating space (400) is provided with a fresh air area (401), a temperature adjusting area (402) and a capillary water supply area (403), the fresh air module is arranged in the fresh air area (401), the temperature adjusting module is arranged in the temperature adjusting area (402), and the capillary water supply module is arranged in the capillary water supply area (403);
The fresh air area (401) is provided with a fresh air port (404), an exhaust port (405), a return air port (406) and a communication air port, the temperature adjusting area (402) is communicated with the capillary water supply area (403), the capillary water supply area (403) is provided with an air supply port (407), and the capillary water supply module comprises a second filter (101), a water mixing tank (104), a proportional bypass valve (105), a water pump (107), a hot water electric valve (108), a plate heat exchanger (109), a gate valve (110), a cold water electric valve (111), a humidifying electric valve (112) and a water supplementing electric valve (113);
The capillary water supply area (403) is provided with a heat pump water outlet (301), a municipal hot water outlet (302), a municipal hot water inlet (303), a heat pump water return port (304), a soft water inlet (305), an indoor water outlet (306), an indoor water supply port (307), a water drain port (308) and a water drain port (309);
the water mixing tank (104) is provided with a first opening, a second opening, a third opening and a fourth opening, the proportional bypass valve (105) is provided with the first opening, the second opening and the third opening, and the plate heat exchanger (109) is provided with the first opening, the second opening, the third opening and the fourth opening;
The first opening of the water mixing tank (104) is communicated with the second opening of the proportional bypass valve (105), the second opening of the water mixing tank (104) is communicated with the second opening of the plate heat exchanger (109), the second opening of the water mixing tank (104) is communicated with the inlet of the surface air cooler (5) through the cold water electric valve (111), the third opening of the water mixing tank (104) is communicated with the third opening of the proportional bypass valve (105), the third opening of the water mixing tank (104) is communicated with the indoor water outlet (306) through the second filter (101), the fourth opening of the water mixing tank (104) is communicated with the hot pump water return port (304) through the gate valve (110), the fourth opening of the water mixing tank (104) is communicated with the outlet of the surface air cooler (5) through the gate valve (110), the first opening of the plate heat exchanger (109) is communicated with the hot water inlet (303) through the hot water electric valve (108), the third opening of the plate heat exchanger (109) is communicated with the municipal outlet (302), and the fourth opening of the plate heat exchanger (109) is communicated with the water outlet (301);
Soft water inlet (305) are through moisturizing motor valve (113) intercommunication indoor delivery port (306), soft water inlet (305) are through the water inlet of humidification motor valve (112) intercommunication humidifier (8), indoor water supply mouth (307) are through the first opening of water pump (107) intercommunication proportional bypass valve (105), drain (308) intercommunication the first opening of proportional bypass valve (105), outlet (309) intercommunication the delivery port of humidifier (8).
2. The heat recovery temperature regulation type radiation system according to claim 1, wherein the fresh air module comprises a fresh air valve (1), a fresh air primary high-efficiency filter screen (2), a total heat exchanger (3), a blower (4), an exhaust fan (9), an exhaust primary filter screen (10), a fin condenser (11), an exhaust valve (12) and a bypass air valve (13);
The fresh air valve (1) is arranged in the fresh air port (404), the fin condenser (11) and the exhaust valve (12) are arranged in the exhaust port (405), and the air feeder (4) is arranged in the communicated air port;
the total heat exchanger (3) has a first inlet, a first outlet, a second inlet and a second outlet, the first inlet and the first outlet being in communication, the second inlet and the second outlet being in communication;
the return air inlet (406) is communicated with the first inlet of the total heat exchanger (3) through an exhaust fan (9) and an exhaust primary filter screen (10);
the exhaust valve (12) is communicated with a first outlet of the total heat exchanger (3);
The fresh air valve (1) is communicated with a second inlet of the total heat exchanger (3) through a fresh air primary high-efficiency filter screen (2), and the fresh air valve (1) is communicated with the return air inlet (406) through a side ventilation valve (13);
The inlet of the air blower (4) is communicated with the second outlet of the total heat exchanger (3).
3. The heat recovery tempering type radiation system according to claim 2, wherein the fresh air module further comprises an ultraviolet light source (14), wherein the ultraviolet light source (14) is arranged between the fresh air primary high efficiency filter screen (2) and a bypass air valve (13).
4. The heat recovery attemperation-type radiant system of claim 2, wherein the fresh air module further comprises a surface cooler (5), an evaporator (6), a reheater (7), and a humidifier (8), the surface cooler (5), the evaporator (6), the reheater (7), and the humidifier (8) being arranged in sequence between the communication tuyere and the attemperation zone (402).
5. The heat recovery attemperation-type radiation system according to claim 4, wherein said attemperation module comprises a compressor (201), a four-way valve (202), a first filter (203), an expansion valve (204) and a gas-liquid separator (205), said compressor (201) having a suction pipe and a discharge pipe, said four-way valve (202) having a first valve opening, a second valve opening, a third valve opening and a fourth valve opening, said discharge pipe of said compressor (201) being connected to the first valve opening of the four-way valve (202), said second valve opening of the four-way valve (202) being connected to the inlet of a fin condenser (11), said outlet of the fin condenser (11) being connected to the inlet of a reheater (7), said outlet of the reheater (7) being connected to the inlet of the evaporator (6) sequentially through the first filter (203) and the expansion valve (204), said outlet of the evaporator (6) being connected to the third valve opening of the four-way valve (202), said fourth valve opening of the four-way valve (202) being connected to the inlet of the gas-liquid separator (205), said outlet of the reheater (11) being connected to the inlet of the compressor (201).
6. The heat recovery tempering type radiation system according to claim 5, wherein the capillary water supply module further comprises a pressure switch (102) and a backwater temperature sensor (103), and the third opening of the water mixing tank (104) is communicated with the indoor water outlet through the backwater temperature sensor (103), the pressure switch (102) and the second filter (101) in sequence.
7. The heat recovery tempering type radiant system of claim 5 wherein said capillary water supply module further comprises a water supply temperature sensor (106), said indoor water supply port (307) communicates with a first opening of a proportional bypass valve (105) through the water supply temperature sensor (106) and a water pump (107).
8. The heat recovery attemperation-type radiation system of claim 1, further comprising a controller (500) that controls the fresh air module, attemperation module, and capillary water supply module.
CN202011120844.1A 2020-10-19 2020-10-19 Heat recovery temperature-regulating radiation system Active CN112228988B (en)

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