CN104864536B - Efficient energy-saving multi-stage heat and humidity treatment air conditioning device and treatment method thereof - Google Patents
Efficient energy-saving multi-stage heat and humidity treatment air conditioning device and treatment method thereof Download PDFInfo
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- CN104864536B CN104864536B CN201510348419.0A CN201510348419A CN104864536B CN 104864536 B CN104864536 B CN 104864536B CN 201510348419 A CN201510348419 A CN 201510348419A CN 104864536 B CN104864536 B CN 104864536B
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- 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
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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
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses an efficient energy-saving multi-stage heat and humidity treatment air conditioning device and a treatment method thereof. The device comprises a refrigeration circulation component, an air circulation component, and an air heat and humidity treatment component. The refrigeration circulation component comprises a high-temperature stage refrigerator unit, a low-temperature stage refrigerator unit, a high-temperature stage refrigerant delivery pump, a high-temperature stage refrigerant circulation pipeline, a low-temperature stage refrigerant delivery pump, a low-temperature stage refrigerant circulation pipeline, a high-temperature stage primary cooling and dehumidifying refrigerant supply automatic regulating valve, a low-temperature stage secondary cooling and dehumidifying refrigerant supply automatic regulating valve, and a high-temperature stage cooling refrigerant supply automatic regulating valve. Aiming at the defects that the conventional air heat and humidity treatment is substantially high in energy consumption, severe in resource waste, and pollutive to environment, or the like, a reasonable air heat and humidity treatment device is provided, accordingly increasing the utilization ratio of energy resources, reducing the resource waste, reducing the emission, and protecting the environment.
Description
Technical field
The present invention relates to central air-conditioning air heat and wet treatment technology, more particularly to a kind of highly effective energy-conserving multi-stage heat and wet treatment sky
Adjust device and its processing method.
Background technology
China builds central air conditioner system heat and wet treatment, Jing heat and wet treatments again after mostly being mixed with return air using fresh air, i.e.,
After the fresh air for accounting for 20% mixes with the return air for accounting for 80%, then the cold cool-down dehumidification of Jing tables is to the corresponding dew point temperature of room desired moisture level
Below degree（Generally<10℃）, air is heated to into wind pushing temperature finally by the mode of reheating（Normally about 20 DEG C or so）After give
Enter interior.
It is to maintain room pressure balance because fresh air is added, unnecessary room air need to be drained into outdoor, is mostly at present
It is expelled directly out outdoor.
Traditional approach has the following disadvantages：
1. in traditional air-conditioning system, new wind load will typically account for the 20% ~ 40% of whole air conditioner load, have even more
Greatly.When the design of air conditioning system is carried out, the minimum fresh air requirmente taken be according to human physiology condition, and compensation local exhaust
Ensure the certain malleation value of air-conditioned room and determine.Traditional resh air requirement be to ensure air conditioning system maximum new wind load indoors,
When i.e. occupancy is most concentrated, remain to meet the fresh air figureofmerit according to determined by human physiology condition, the parameter is generally selected
Than larger.And when indoor occupant is relatively fewer, still according to maximum resh air requirement fresh air is input into, then can cause the wave in vain of the energy
Take.
2., because traditional primary retirn air mode will need to again concentrate heat and wet treatment after fresh air and return air mixing, substantial amounts of refrigeration is needed
Amount and reheating heating amount, energy resource consumption is serious.
3. because traditional approach need to be by below all air cooling-downs to dew point temperature（Generally<10℃）, because of heat transfer temperature difference
Relation, required chilled water supply water temperature need to be lower（About<6℃）, rule of thumb, fridge cooling condition is constant, and chilled water is supplied
Coolant-temperature gage often reduces by 1 DEG C, the power consumption increase about 3-5% of fridge.Therefore relatively low chilled water supply water temperature, cause fridge
Efficiency is substantially reduced.
4. due to substantial amounts of refrigerating capacity and heating amount, the water circulating pump of larger flow need to be equipped with, cause hot and cold water cyclic system
System power consumption increases therewith.
5. due to substantial amounts of refrigerating capacity and heating amount, need to configure jumbo refrigeration plant, firing equipment, water circulating pump and
Circulating water pipeline, and corresponding controller switching equipment.Up-front investment is huge.
6. the condensed water that the indoor exhaust wind of traditional approach and dehumidifying are produced is provided without energy regenerating, causes energy unrestrained in vain
Take.
The content of the invention
The purpose of the present invention：A kind of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device and its processing method are provided, for passing
System air heat and wet treatment energy consumption it is higher, serious waste of resources, pollution environment the shortcomings of, there is provided a kind of rational air heat and wet treatment
Device, so as to improve efficiency of energy utilization, reduces the wasting of resources, reduces discharge, environmental protection.
To achieve these goals, the technical scheme is that：
A kind of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, including kind of refrigeration cycle component, air circulation component and air
Heat and wet treatment component；Described kind of refrigeration cycle component includes that high-temperature level refrigeration unit, low-temperature level refrigeration unit, high-temperature level coolant are defeated
Pump, high-temperature level medium circulation pipeline, low-temperature level coolant delivery pump, low-temperature level medium circulation pipeline, high-temperature level is sent once to lower the temperature and remove
Clammy matchmaker's supply automatic regulating valve, low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve and high-temperature level cooling coolant supply
Automatic regulating valve；The two ends of described high-temperature level refrigeration unit are respectively by described high-temperature level medium circulation pipeline and high-temperature level
Cool-down dehumidification surface cooler and high-temperature level cooling surface cooler correspondence connect, and described high-temperature level coolant delivery pump is arranged on described
High-temperature level refrigeration unit one end and described high-temperature level medium circulation pipeline junction, described high-temperature level cooling coolant
Supply automatic regulating valve be arranged on the high-temperature level medium circulation pipeline of the other end of described high-temperature level refrigeration unit with it is described
The junction of high-temperature level cooling surface cooler, described cool-down dehumidification coolant supply automatic regulating valve of high-temperature level is arranged on described
High-temperature level refrigeration unit the other end high-temperature level medium circulation pipeline and described cool-down dehumidification surface cooler of high-temperature level
Junction；The two ends of described low-temperature level refrigeration unit are respectively by described low-temperature level medium circulation pipeline and low-temperature level two
The connection of secondary cool-down dehumidification surface cooler, described low-temperature level coolant delivery pump be arranged on one end of described low-temperature level refrigeration unit with
The junction of described low-temperature level medium circulation pipeline, described low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve sets
Put the low-temperature level medium circulation pipeline in the other end of described low-temperature level refrigeration unit to remove with described low-temperature level reducing temperature twice
The junction of wet surface cooler；Described air circulation component includes fresh wind port, frequency conversion pressure fan, frequency conversion return fan, secondary return air
Automatic regulating valve, primary retirn air automatic regulating valve, air draft automatic regulating valve, exhaust outlet, fresh wind tube, primary retirn air pipe, secondary returning
Airduct, air supply section, return air house steward, exhaust duct, mixed once section and secondary mixing section；Described primary retirn air automatic regulating valve sets
Put in described primary retirn air pipe, described secondary return air automatic regulating valve is arranged in described secondary returning airduct；It is described
Fresh wind port, fresh wind tube, mixed once section, secondary mixing section and air supply section be sequentially communicated, air outlet passes through described air supply section
It is arranged in room, described frequency conversion blower setting is in described air supply section；Described frequency conversion return fan is arranged on described
Return air house steward in；Described exhaust outlet is connected with described exhaust duct, and described exhaust duct is set by described return air house steward
Put outside room；The two ends of described primary retirn air pipe are connected respectively with described mixed once section and return air house steward, described
The two ends of secondary returning airduct are connected respectively with described secondary mixing section and return air house steward；Described air draft automatic regulating valve is arranged
In described exhaust duct；Described air heat and wet treatment component includes that air-to-air energy recovery equipment, condensed water sensible heat are returned
Receive surface cooler and condensing water conduit, cool-down dehumidification surface cooler of high-temperature level, low-temperature level reducing temperature twice dehumidifying surface cooler and high temperature
Level cooling surface cooler；Described air-to-air energy recovery equipment is connected on described fresh wind port and exhaust outlet, and described is cold
Solidifying water Exposure degree surface cooler is arranged in described fresh wind tube；Described condensing water conduit is by described mixed once section
The discharge condensed water of cool-down dehumidification surface cooler of high-temperature level and low-temperature level reducing temperature twice dehumidifying surface cooler introduces condensed water sensible heat
Surface cooler is reclaimed, described cool-down dehumidification surface cooler of high-temperature level and low-temperature level reducing temperature twice dehumidifying surface cooler is separately positioned on
In described mixed once section, described high-temperature level cooling surface cooler is arranged in described secondary mixing section.
Above-mentioned highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, wherein, also including direct digital controller and host computer,
Described direct digital controller is connected with described host computer, and analog quantity letter is respectively equipped with described direct digital controller
Number input port and output control signal port, described output control signal port respectively with described high-temperature level refrigeration machine
Group, low-temperature level refrigeration unit, cool-down dehumidification coolant supply automatic regulating valve of high-temperature level, low-temperature level reducing temperature twice dehumidifying coolant
Supply automatic regulating valve, high-temperature level cooling coolant supply automatic regulating valve, frequency conversion pressure fan, frequency conversion return fan, secondary return air are certainly
The connection of dynamic regulating valve, primary retirn air automatic regulating valve and air draft automatic regulating valve.
Above-mentioned highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, wherein, wind pushing temperature biography is provided with described air supply section
Sensor, blasting humidity sensor and air-supply air quantity sensor, described wind pushing temperature sensor, blasting humidity sensor and air-supply
Air flow sensor is connected respectively with described analog signalses input port.
Above-mentioned highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, wherein, room temperature sensing is provided with described room
Device, room humidity sensor, room gas concentration lwevel sensor and room differential pressure pickup, described room temperature sensing
Device, room humidity sensor, room gas concentration lwevel sensor and room differential pressure pickup are believed respectively with described analog quantity
The connection of number input port.
A kind of processing method using described highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, the method at least include as
Lower step：
Step 1：Hot and humid fresh air outside described room is introduced by described fresh wind port, and the air described in Jing-
The full heat of Air to air ERV device recovery section air draft or sensible heat energy, preliminary cooling and dehumidification.
Step 2：Condensing water conduit is by the cool-down dehumidification surface cooler of high-temperature level and low temperature in described mixed once section
The discharge condensed water of level reducing temperature twice dehumidifying surface cooler introduces condensed water Exposure degree surface cooler, by condensed water Exposure degree table
Cooler reclaims condensed water sensible heat, further reduces new air temperature.
Step 3：Part one after the primary retirn air described in is automatically adjusted valve regulation by described primary retirn air pipe
Secondary return air causes described mixed once section and mixes with fresh air.
Step 4：Automatic regulating valve is supplied by described cool-down dehumidification coolant of high-temperature level to adjust into described height
The cold medium flux of cool-down dehumidification surface cooler of warm level, using high-temperature level coolant a cool-down dehumidification is carried out to mixing air.
Step 5：Coolant supply automatic regulating valve regulation is dehumidified into low-temperature level two by described low-temperature level reducing temperature twice
The described low-temperature level refrigeration unit of the cold medium flux of secondary cool-down dehumidification surface cooler and direct digital controller control adjusts coolant and supplies
Answer temperature.
Step 6：Part room after the secondary return air described in is automatically adjusted valve regulation by described secondary returning airduct
Between secondary return air cause described secondary mixing section and mix again with mixed once wind.
Step 7：Automatic regulating valve is supplied by described high-temperature level coolant adjust cold into described high-temperature level cooling table
The described high-temperature level refrigeration unit of the cold medium flux of device and direct digital controller control adjusts coolant supply temperature.
Step 8：By described frequency conversion pressure fan by satisfactory air send into air-conditioned room eliminate room residual heat more than
It is wet.
Step 9：Air-conditioned room additional air part is discharged outdoor and part and is supplied to air-supply loop again by frequency conversion return fan
Circulation.
Step 10：Air draft automatically adjusts valve regulation exhaust air rate by described air draft, so as to adjust indirectly into the room
Between resh air requirement.
Step 11：Air draft is automatically adjusted after valve regulation exhaust air rate through described air-air energy by described air draft
After amount retracting device recovers energy, outdoor is drained into by described exhaust outlet.
The present invention arranges air-to-air energy recovery equipment at fresh wind port and exhaust outlet, reclaims air draft energy, reaches new
Wind pre-cooling and the purpose dried in advance, the load of the cold cool-down dehumidification of table of reduction, energy saving；Condensation is set in fresh air pipeline
Water Exposure degree surface cooler, reclaims condensed water energy, reaches the purpose of pre-cooling of fresh air, further reduces the load of the cold cooling of table,
Energy saving；Gas concentration lwevel sensor is installed indoors, IAQ (indoor air quality) is monitored on-line, air conditioning system is according to Interior Space
Gas mass change, it is synchronous to become the operation of fresh air input quantity, it is ensured that whole air conditioning system is all the time by the minimum fresh air for meeting indoor sanitation
Amount operation, reduces to greatest extent new wind load, reduces fresh air excess supply and causes energy waste；It is multistage cold using secondary return air
Hot wet individual processing, it is only necessary to cool-down dehumidification process is carried out to partial air, cancels thermal process again, saves mass energy；Using
Two grades of coolant greatly improve refrigeration system synthesis energy for straining supply temperature and the at utmost proportion of two grades of high temperature refrigerants of increase
Effect；Because chilling requirement is reduced and need not be heated, required quantity of circulating water is also reduced therewith, greatlys save water circulating pump power consumption；By
Reduce and need not heat in chilling requirement, the refrigeration system that need to configure, blood circulation capacity are greatly reduced, save substantial amounts of early stage
Investment.
Description of the drawings
Fig. 1 is the pipeline connection diagram of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device of the present invention.
Fig. 2 is the Automatic Control Theory figure of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device of the present invention.
Fig. 3 is the process chart of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device of the present invention.
Specific embodiment
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a kind of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, including kind of refrigeration cycle
Component, air circulation component and air heat and wet treatment component.
Described kind of refrigeration cycle component includes high-temperature level refrigeration unit 5, low-temperature level refrigeration unit 6, the conveying of high-temperature level coolant
Pump 7, high-temperature level medium circulation pipeline 8, low-temperature level coolant delivery pump 9, low-temperature level medium circulation pipeline 10, high-temperature level are once lowered the temperature
Dehumidifying coolant supply automatic regulating valve 12, low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve 14 and high-temperature level cooling are cold
Matchmaker supplies automatic regulating valve 16；The two ends of described high-temperature level refrigeration unit 5 are respectively by described high-temperature level refrigerant circulation pipe
The cool-down dehumidification surface cooler 11 in road 8 and high-temperature level and high-temperature level are lowered the temperature, and surface cooler 15 is corresponding to be connected, described high-temperature level coolant
Delivery pump 7 is arranged on one end of described high-temperature level refrigeration unit 5 and the junction of described high-temperature level medium circulation pipeline 8,
Described high-temperature level cooling coolant supply automatic regulating valve 16 is arranged on the high temperature of the other end of described high-temperature level refrigeration unit 5
Level medium circulation pipeline 8 and described high-temperature level are lowered the temperature the junction of surface cooler 15, and described cool-down dehumidification of high-temperature level is cold
Matchmaker's supply automatic regulating valve 12 be arranged on the high-temperature level medium circulation pipeline 8 of the other end of described high-temperature level refrigeration unit 5 with
The junction of a described cool-down dehumidification surface cooler 11 of high-temperature level；The two ends of described low-temperature level refrigeration unit 6 pass through respectively
Described low-temperature level medium circulation pipeline 10 is connected with low-temperature level reducing temperature twice dehumidifying surface cooler 13, and described low-temperature level coolant is defeated
Pump 9 is sent to be arranged on one end of described low-temperature level refrigeration unit 6 and the junction of described low-temperature level medium circulation pipeline 10, institute
The low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve 14 stated is arranged on the other end of described low-temperature level refrigeration unit 6
Low-temperature level medium circulation pipeline 10 and described low-temperature level reducing temperature twice dehumidify the junction of surface cooler 13.
Described air circulation component includes that fresh wind port 1, frequency conversion pressure fan 17, frequency conversion return fan 26, secondary return air are automatic
Regulating valve 27, primary retirn air automatic regulating valve 28, air draft automatic regulating valve 29, exhaust outlet 30, fresh wind tube 31, primary retirn air pipe
32nd, secondary returning airduct 33, air supply section 34, return air house steward 35, exhaust duct 36, mixed once section 37 and secondary mixing section 38；It is described
Primary retirn air automatic regulating valve 28 be arranged in described primary retirn air pipe 32, described secondary return air automatic regulating valve 27 sets
Put in described secondary returning airduct 33；Described fresh wind port 1, fresh wind tube 31, mixed once section 37, secondary mixing section 38 and send
Wind section 34 is sequentially communicated, and air outlet is arranged in room 21 by described air supply section 34, and described frequency conversion pressure fan 17 is arranged
In described air supply section 34；Described frequency conversion return fan 26 is arranged in described return air house steward 35；Described exhaust outlet 30
Connect with described exhaust duct 36, described exhaust duct 36 is arranged on outside room by described return air house steward 35；Described one
The two ends of secondary backwind tube 32 are connected respectively with described mixed once section 37 and return air house steward 35, described secondary returning airduct 33
Two ends are connected respectively with described secondary mixing section 38 and return air house steward 35；Described air draft automatic regulating valve 29 is arranged on described
Exhaust duct 36 in.
Described air heat and wet treatment component includes air-to-air energy recovery equipment 2, condensed water Exposure degree surface cooler
3 and condensing water conduit 4, cool-down dehumidification surface cooler 11 of high-temperature level, low-temperature level reducing temperature twice dehumidifying surface cooler 13 and high-temperature level
Cooling surface cooler 15；Described air-to-air energy recovery equipment 2 is connected on described fresh wind port 1 and exhaust outlet 30, described
Condensed water Exposure degree surface cooler 3 be arranged in described fresh wind tube 31；Described condensing water conduit 4 once mixes described
Close the discharge condensed water of cool-down dehumidification surface cooler 11 of the high-temperature level and low-temperature level reducing temperature twice dehumidifying surface cooler 13 in section 37
Condensed water Exposure degree surface cooler 3 is introduced, described cool-down dehumidification surface cooler 11 of high-temperature level and low-temperature level reducing temperature twice is removed
Wet surface cooler 13 is separately positioned in described mixed once section 37, and described high-temperature level cooling surface cooler 15 is arranged on described
In secondary mixing section 38.
Also include direct digital controller 39 and host computer 40, described direct digital controller 39 and described host computer
40 connections, are respectively equipped with analog signalses input port 391 and output control signal end on described direct digital controller 39
Mouthfuls 392, described output control signal port 392 respectively with described high-temperature level refrigeration unit 5, low-temperature level refrigeration unit 6, high
Cool-down dehumidification coolant of warm level supply automatic regulating valve 12, low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve 14,
High-temperature level cooling coolant supply automatic regulating valve 16, frequency conversion pressure fan 17, frequency conversion return fan 26, secondary return air automatic regulating valve
27th, primary retirn air automatic regulating valve 28 and air draft automatic regulating valve 29 connect.
Wind pushing temperature sensor 18, blasting humidity sensor 19 and air-supply air quantity sensor are provided with described air supply section 34
20, described wind pushing temperature sensor 18, blasting humidity sensor 19 and air-supply air quantity sensor 20 respectively with described simulation
Amount signal input port 391 connects.
Room temperature sensor 22, room humidity sensor 23, room gas concentration lwevel are provided with described room 21
Sensor 24 and room differential pressure pickup 25, described room temperature sensor 22, room humidity sensor 23, room titanium dioxide
Concentration of carbon sensor 24 and room differential pressure pickup 25 are connected respectively with described analog signalses input port 391.
The full heat of the recovery section air draft of fresh air Jing air-to-air energy recovery equipment 2 or sensible heat energy, preliminary cooling and dehumidification,
Reduce rear class and process load；Secondly, condensing water conduit 4 is by the cool-down dehumidification table of high-temperature level in described mixed once section 37
The discharge condensed water of cooler 11 and low-temperature level reducing temperature twice dehumidifying surface cooler 13 introduces condensed water Exposure degree surface cooler 3, passes through
Condensed water Exposure degree surface cooler 3 reclaims condensed water sensible heat, further reduces new air temperature, reduces rear class and processes load.Then,
Automatic regulating valve 12 is supplied by cool-down dehumidification coolant of high-temperature level to adjust into cool-down dehumidification surface cooler 11 of high-temperature level
Cold medium flux, carry out a cool-down dehumidification to mixed once air using high-temperature level coolant, reduce reducing temperature twice and remove humidity load.
Pass through low-temperature level reducing temperature twice again and dehumidify coolant supply automatic regulating valve 14 regulation into low-temperature level reducing temperature twice dehumidifying surface cooler
13 cold medium flux and direct digital controller 39 control low-temperature level refrigeration machine by the output signal of output control signal port 392
Group adjusts coolant supply temperature, reducing temperature twice dehumidifying is carried out to mixed once air using low-temperature level coolant, until meeting air-conditioning
The humidity requirement of room 21.Automatic regulating valve 16 is supplied finally by high-temperature level coolant to adjust into high-temperature level cooling surface cooler 15
Cold medium flux and the output signal of direct digital controller output control signal port 392 control high-temperature level refrigeration unit adjust coolant
Supply temperature, is cooled to secondary mixing air using high-temperature level coolant and meets room temperature requirement.
Power is provided by frequency conversion pressure fan 17, outdoor fresh air is introduced by fresh wind tube 31 from fresh wind port 1, then by Jing once
Room return air after return air automatic regulating valve 28, the regulation ratio of secondary return air automatic regulating valve 27 passes through primary retirn air pipe 32, two
Secondary backwind tube 33 is introduced, and is introduced fresh air with fresh wind port 1 and is mixed latter with by the feeding air-conditioned room 21 of ajutage 34；Returned by frequency conversion
Blower fan 26 provides power, and unnecessary portion of air after setting pressure reduction will be maintained to pass through primary retirn air automatic regulating valve in room 21
28th, Jing primary retirn airs pipe 32, secondary returning airduct 33 delivers to air-supply loop after the regulation ratio of secondary return air automatic regulating valve 27, participates in
Recirculation.In room 21 unnecessary another part air after setting pressure reduction will be maintained to pass through row Jing after air draft automatic regulating valve 29 is adjusted
Discharge outdoor in air port 30.
High-temperature level refrigeration unit 5 is set and produces cold, high-temperature level coolant delivery pump 7 provides power, by high-temperature level coolant
High temperature refrigerant is supplied to point of use by circulation line 8, and by cool-down dehumidification coolant of high-temperature level automatic regulating valve 12, high temperature is supplied
Level coolant supply automatic regulating valve 16 adjusts supply flow and enters cool-down dehumidification surface cooler 11, high-temperature level cooling table of high-temperature level
Cooler 15, completes to return the recirculation of high-temperature level refrigeration unit 5 after heat exchange.Low-temperature level refrigeration unit 6 is set and produces cold, low temperature
Level coolant delivery pump 9 provides power, low temperature refrigerant is supplied to into point of use by low-temperature level medium circulation pipeline 9, by low-temperature level
It is complete into low-temperature level reducing temperature twice dehumidifying surface cooler 13 that reducing temperature twice dehumidifying coolant supply automatic regulating valve 14 adjusts supply flow
The recirculation of low-temperature level refrigeration unit 6 is returned into after heat exchange.High-temperature level refrigeration unit 5, low-temperature level refrigeration unit 6 can be supplied simultaneously
Multiple stage is air conditioning unit.
Direct digital controller 39 and host computer 40 are online not according to each sensor installed in air supply section 34 and room 21
Interruption collection relevant parameter, then compare with relevant parameter setting value, prediction judges the change of each load, real-time adjustment correlation wind
Machine, valve, handpiece Water Chilling Units adjustment running status, it is ensured that system stability safe operation.
Air-supply air quantity sensor 20 in air supply section 34 believes the air-supply air quantity parameter for detecting by analog quantity
Number input port 391 sends direct digital controller 39 to, and direct digital controller 39 send according to the parameter of collection with default
Wind air quantity is compared, and by the output signal of output control signal port 392, control frequency conversion pressure fan 17 adjusts running frequency,
Ensure air output close setting value all the time.
The indoor temperature parameter for collecting is passed through analog signalses by the room temperature sensor 22 in room 21
Input port 391 sends direct digital controller 39 to, and direct digital controller 39 is according to temperature parameter in the room 21 of collection
Compare with setting indoor temperature, by the output signal of output control signal port 392, adjust wind pushing temperature, it is ensured that room temperature
All the time close setting value.
The wind pushing temperature parameter for collecting is passed through analog signalses by the wind pushing temperature sensor 18 installed in air supply section 34
Input port 391 sends direct digital controller 39 to, direct digital controller 39 according to the wind pushing temperature parameter of collection with set
Determine wind pushing temperature to compare, by the output signal of output control signal port 392, control high-temperature level refrigeration unit 5 and adjust supply
Refrigerant temperature and control high-temperature level coolant supply automatic regulating valve 16, the coolant adjusted into high-temperature level cooling surface cooler 15 is supplied
Answer flow.Ensure wind pushing temperature close setting value all the time.
Room humidity sensor 23 installed in room 21 is defeated by analog signalses by the room humidity parameter for collecting
Inbound port 391 sends direct digital controller 39, wind pushing temperature parameter and setting of the direct digital controller 39 according to collection to
Wind pushing temperature compares, and by the output signal of output control signal port 392, adjusts blasting humidity, it is ensured that the humidity of room 21 is all the time
Close setting value.
The blasting humidity parameter for collecting is passed through analog signalses by the blasting humidity sensor 19 installed in air supply section 34
Input port 391 sends direct digital controller 39 to, direct digital controller 39 according to the blasting humidity parameter of collection with set
Determine blasting humidity to compare, by the output signal of output control signal port 392, control low-temperature level refrigeration unit 6 and adjust supply
Refrigerant temperature, control low-temperature level reducing temperature twice dehumidifying coolant supplies automatic control valve 14 and adjusts coolant supply flow, and control
Primary retirn air automatic regulating valve 28, secondary return air automatic regulating valve 27 on primary retirn air pipe 32 processed and secondary returning airduct 33 is adjusted
Dehumidified air ratio.Ensure blasting humidity close setting value all the time.
Room differential pressure pickup 25 installed in air-conditioned room 21 is by the air outside the relative room 21 in the room 21 for collecting
Pressure reduction parameter sends direct digital controller 39, the basis of direct digital controller 39 to by analog signalses input port 391
The room pressure reduction parameter of collection compares with setting room pressure reduction, by the output signal of output control signal port 392, controls frequency conversion
Return fan 26 adjusts running frequency, adjusts return air amount and ensures external differential close setting value in relative room 21 in room 21.
Room gas concentration lwevel sensor 24 installed in air-conditioned room 21 is by the room gas concentration lwevel for collecting
Parameter sends direct digital controller 39 to by analog signalses input port 391, and direct digital controller 39 is according to collection
Room gas concentration lwevel parameter with setting room gas concentration lwevel compare, exported by output control signal port 392
Signal, the aperture of control air draft automatic regulating valve 29, adjusts exhaust air rate, so as to adjust the resh air requirement into room 21 indirectly, it is ensured that
Resh air requirement meets all the time indoor sanitation requirement in room 21.
Refer to shown in accompanying drawing 3, a kind of processing method using described highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device,
The method at least comprises the steps：
Step 1：Hot and humid fresh air outside described room 21 is introduced by described fresh wind port 1, the sky described in Jing
The full heat of the recovery section air draft of gas-Air to air ERV device 2 or sensible heat energy, preliminary cooling and dehumidification, reduce rear class and process load.
Step 2：Condensing water conduit 4 by the cool-down dehumidification surface cooler 11 of high-temperature level in described mixed once section 37 and
The discharge condensed water of low-temperature level reducing temperature twice dehumidifying surface cooler 13 introduces condensed water Exposure degree surface cooler 3, aobvious by condensed water
Recuperation of heat surface cooler 3 reclaims condensed water sensible heat, further reduces new air temperature, reduces rear class and processes load.
Step 3：Portion after by described primary retirn air pipe 32 the primary retirn air automatic regulating valve 28 described in is adjusted
Divide primary retirn air to cause described mixed once section 37 to mix with fresh air.
Step 4：The regulation of automatic regulating valve 12 is supplied by described cool-down dehumidification coolant of high-temperature level enter described
The cold medium flux of cool-down dehumidification surface cooler 11 of high-temperature level, is once lowered the temperature to mixing air using high-temperature level coolant and is removed
It is wet, reduce reducing temperature twice and remove humidity load.
Step 5：The regulation of automatic regulating valve 14 is supplied by described low-temperature level reducing temperature twice dehumidifying coolant enter low-temperature level
The described low-temperature level refrigeration unit 6 of the cold medium flux of reducing temperature twice dehumidifying surface cooler 13 and direct digital controller control adjusts cold
Matchmaker's supply temperature, carries out reducing temperature twice to mixing air and dehumidifies to setting blasting humidity using low-temperature level coolant, so that meet empty
21 humidity requirement between transferring house.
Step 6：Portion after by described secondary returning airduct 33 the secondary return air automatic regulating valve 27 described in is adjusted
Point room secondary return air causes described secondary mixing section 38 and mixes again with mixed once wind.
Step 7：Automatic regulating valve 16 is supplied by described high-temperature level coolant to adjust into described high-temperature level cooling table
The described high-temperature level refrigeration unit 5 of the cold medium flux of cooler 15 and direct digital controller control adjusts coolant supply temperature, profit
Setting wind pushing temperature is cooled to mixing air with high-temperature level coolant, to meet the temperature requirement in room 21.
Step 8：Satisfactory air feeding air-conditioned room 21 is eliminated more than room by described frequency conversion pressure fan 17
It is hot remaining wet.
Step 9：Air-conditioned room additional air part is discharged outdoor and part and is supplied to air-supply loop again by frequency conversion return fan 26
Secondary circulation.
Step 10：Air draft adjusts exhaust air rate by described air draft automatic regulating valve 29, so as to adjust indirectly into described
The resh air requirement in room 21.
Step 11：Air draft is adjusted after exhaust air rate through described air-air by described air draft automatic regulating valve 29
After energy recycle device 2 recovers energy, outdoor is drained into by described exhaust outlet 30.
In sum, the present invention arranges air-to-air energy recovery equipment at fresh wind port and exhaust outlet, reclaims air draft energy
Amount, reaches pre-cooling of fresh air and the purpose dried in advance, the load of the cold cool-down dehumidification of table of reduction, energy saving；In fresh air pipeline
Middle setting condensed water Exposure degree surface cooler, reclaims condensed water energy, reaches pre-cooling of fresh air and the purpose dried in advance, further subtracts
The load of the cold cool-down dehumidification of few table, energy saving；Gas concentration lwevel sensor is installed indoors, Interior Space makings is monitored on-line
Amount, air conditioning system changes according to IAQ (indoor air quality), synchronous to become the operation of fresh air input quantity, it is ensured that whole air conditioning system is all the time by full
The minimum fresh air requirmente operation of sufficient indoor sanitation, reduces to greatest extent new wind load, reduces fresh air excess supply and causes energy wave
Take；Using the hot wet individual processing of the multistage cooling of secondary return air, it is only necessary to cool-down dehumidification process is carried out to partial air, cancels reheating mistake
Journey, saves mass energy；Using two grades of coolant for straining supply temperature and the at utmost proportion of two grades of high temperature refrigerants of increase, greatly
It is big to improve refrigeration system comprehensive energy efficiency；Because chilling requirement is reduced and need not be heated, required quantity of circulating water is also reduced therewith, significantly
Save water circulating pump power consumption；Because chilling requirement is reduced and need not be heated, refrigeration system, the blood circulation capacity that need to be configured is greatly
Reduce, save substantial amounts of up-front investment.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
The equivalent structure transformation that present specification is made, or directly or indirectly with the technology neck for being attached to other Related products
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device, it is characterised in that：Including kind of refrigeration cycle component, air circulation group
Part and air heat and wet treatment component；Described kind of refrigeration cycle component includes high-temperature level refrigeration unit, low-temperature level refrigeration unit, high temperature
Level coolant delivery pump, high-temperature level medium circulation pipeline, low-temperature level coolant delivery pump, low-temperature level medium circulation pipeline, high-temperature level one
Secondary cool-down dehumidification coolant supply automatic regulating valve, low-temperature level reducing temperature twice dehumidifying coolant supply automatic regulating valve and high-temperature level cooling
Coolant supplies automatic regulating valve；The two ends of described high-temperature level refrigeration unit are respectively by described high-temperature level medium circulation pipeline
Connection corresponding with cool-down dehumidification surface cooler of high-temperature level and high-temperature level cooling surface cooler, described high-temperature level coolant delivery pump sets
Put the junction with described high-temperature level medium circulation pipeline, described high-temperature level in one end of described high-temperature level refrigeration unit
Cooling coolant supply automatic regulating valve is arranged on the high-temperature level medium circulation pipeline of the other end of described high-temperature level refrigeration unit
Lower the temperature the junction of surface cooler with described high-temperature level, and described cool-down dehumidification coolant supply automatic regulating valve of high-temperature level sets
Put the high-temperature level medium circulation pipeline in the other end of described high-temperature level refrigeration unit and once lower the temperature with described high-temperature level and remove
The junction of wet surface cooler；The two ends of described low-temperature level refrigeration unit respectively by described low-temperature level medium circulation pipeline with
Low-temperature level reducing temperature twice dehumidifying surface cooler connection, described low-temperature level coolant delivery pump is arranged on described low-temperature level refrigeration unit
One end and described low-temperature level medium circulation pipeline junction, described low-temperature level reducing temperature twice dehumidifying coolant supply is automatic
Regulating valve is arranged on the low-temperature level medium circulation pipeline and described low-temperature level two of the other end of described low-temperature level refrigeration unit
The junction of secondary cool-down dehumidification surface cooler；Described air circulation component include fresh wind port, frequency conversion pressure fan, frequency conversion return fan,
Secondary return air automatic regulating valve, primary retirn air automatic regulating valve, air draft automatic regulating valve, exhaust outlet, fresh wind tube, primary retirn air
Pipe, secondary returning airduct, air supply section, return air house steward, exhaust duct, mixed once section and secondary mixing section；Described primary retirn air is certainly
Dynamic regulating valve is arranged in described primary retirn air pipe, and described secondary return air automatic regulating valve is arranged on described secondary return air
In pipe；Described fresh wind port, fresh wind tube, mixed once section, secondary mixing section and air supply section are sequentially communicated, and air outlet is by described
Air supply section be arranged in room, described frequency conversion blower setting is in described air supply section；Described frequency conversion return fan sets
Put in described return air house steward；Described exhaust outlet is connected with described exhaust duct, and described exhaust duct is returned by described
Wind house steward is arranged on outside room；The two ends of described primary retirn air pipe connect respectively with described mixed once section and return air house steward
Connect, the two ends of described secondary returning airduct are connected respectively with described secondary mixing section and return air house steward；Described air draft is automatic
Regulating valve is arranged in described exhaust duct；Described air heat and wet treatment component includes air-to-air energy recovery equipment, cold
Solidifying water Exposure degree surface cooler and condensing water conduit, cool-down dehumidification surface cooler of high-temperature level, low-temperature level reducing temperature twice dehumidifying table
Cooler and high-temperature level cooling surface cooler；Described air-to-air energy recovery equipment is connected to described fresh wind port and exhaust outlet
On, described condensed water Exposure degree surface cooler is arranged in described fresh wind tube；Described condensing water conduit is by described one
The discharge condensed water of cool-down dehumidification surface cooler of the high-temperature level in secondary mixing section and low-temperature level reducing temperature twice dehumidifying surface cooler draws
Enter condensed water Exposure degree surface cooler, described cool-down dehumidification surface cooler of high-temperature level and low-temperature level reducing temperature twice dehumidifying table is cold
Device is separately positioned in described mixed once section, and described high-temperature level cooling surface cooler is arranged on described secondary mixing section
It is interior.
2. highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device according to claim 1, it is characterised in that：Also include directly number
Word controller and host computer, described direct digital controller is connected with described host computer, described direct digital controller
On be respectively equipped with analog signalses input port and output control signal port, described output control signal port respectively with institute
High-temperature level refrigeration unit, low-temperature level refrigeration unit, high-temperature level cool-down dehumidification coolant supply automatic regulating valve, the low-temperature level stated
Reducing temperature twice dehumidifying coolant supply automatic regulating valve, high-temperature level cooling coolant supply automatic regulating valve, frequency conversion pressure fan, frequency conversion are returned
The connection of blower fan, secondary return air automatic regulating valve, primary retirn air automatic regulating valve and air draft automatic regulating valve.
3. highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device according to claim 2, it is characterised in that：Described air supply section
Inside it is provided with wind pushing temperature sensor, blasting humidity sensor and air-supply air quantity sensor, described wind pushing temperature sensor, air-supply
Humidity sensor and air-supply air quantity sensor are connected respectively with described analog signalses input port.
4. highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device according to claim 2, it is characterised in that：In described room
Room temperature sensor, room humidity sensor, room gas concentration lwevel sensor and room differential pressure pickup are provided with, it is described
Room temperature sensor, room humidity sensor, room gas concentration lwevel sensor and room differential pressure pickup respectively with
Described analog signalses input port connection.
5. in a kind of utilization claim 1-4 the described highly effective energy-conserving multi-stage heat and wet treatment air-conditioning device of any one process
Method, it is characterised in that：The method at least comprises the steps：
Step 1：Hot and humid fresh air outside described room is introduced by described fresh wind port, the air-air described in Jing
The full heat of energy recycle device recovery section air draft or sensible heat energy, preliminary cooling and dehumidification；
Step 2：Condensing water conduit is by the cool-down dehumidification surface cooler of high-temperature level and low-temperature level two in described mixed once section
The discharge condensed water of secondary cool-down dehumidification surface cooler introduces condensed water Exposure degree surface cooler, by condensed water Exposure degree surface cooler
Condensed water sensible heat is reclaimed, new air temperature is further reduced；
Step 3：Part after the primary retirn air described in is automatically adjusted valve regulation by described primary retirn air pipe is once returned
Wind causes described mixed once section and mixes with fresh air；
Step 4：Automatic regulating valve is supplied by described cool-down dehumidification coolant of high-temperature level to adjust into described high-temperature level
The cold medium flux of cool-down dehumidification surface cooler, using high-temperature level coolant a cool-down dehumidification is carried out to mixing air；
Step 5：Coolant supply automatic regulating valve regulation is dehumidified into the secondary drop of low-temperature level by described low-temperature level reducing temperature twice
The described low-temperature level refrigeration unit of the cold medium flux of temperature dehumidifying surface cooler and direct digital controller control adjusts coolant supply temperature
Degree；
Step 6：Part room two after the secondary return air described in is automatically adjusted valve regulation by described secondary returning airduct
Secondary return air causes described secondary mixing section and mixes again with mixed once wind；
Step 7：Automatic regulating valve is supplied by described high-temperature level coolant to adjust into described high-temperature level cooling surface cooler
The described high-temperature level refrigeration unit of cold medium flux and direct digital controller control adjusts coolant supply temperature；
Step 8：By described frequency conversion pressure fan by satisfactory air send into air-conditioned room eliminate room residual heat more than it is wet；
Step 9：Air-conditioned room additional air part is discharged the outdoor loop of blowing that is supplied to part and is circulated again by frequency conversion return fan；
Step 10：Air draft automatically adjusts valve regulation exhaust air rate by described air draft, so as to adjust indirectly into the room
Resh air requirement；
Step 11：Air draft automatically adjusted by described air draft and returned through described air-air energy after valve regulation exhaust air rate
After receiving apparatus recover energy, outdoor is drained into by described exhaust outlet.
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| JP6857303B2 (en) * | 2016-10-21 | 2021-04-14 | 株式会社Ｆｈアライアンス | Air conditioning system construction method and air conditioning system design method |
| CN108317632B (en) * | 2017-01-17 | 2020-08-28 | 河南中烟工业有限责任公司 | Air conditioning system |
| CN107747776A (en) * | 2017-09-21 | 2018-03-02 | 北京同衡能源环境科学研究院有限公司 | A kind of independent temperature-humidity control air-conditioning device and its processing method based on distributed Fresh air handing unit |
| CN110345618B (en) * | 2019-07-11 | 2021-04-16 | 武汉裕大华纺织服装集团有限公司 | Heat energy recovery system |
| CN110793146B (en) * | 2019-12-18 | 2021-12-07 | 海底捞控股私人有限公司 | Ground exhaust system and control method thereof |
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