CN109945362A - Heating ventilation air-conditioning system - Google Patents
Heating ventilation air-conditioning system Download PDFInfo
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- CN109945362A CN109945362A CN201910211252.1A CN201910211252A CN109945362A CN 109945362 A CN109945362 A CN 109945362A CN 201910211252 A CN201910211252 A CN 201910211252A CN 109945362 A CN109945362 A CN 109945362A
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Abstract
The present invention relates to a kind of heating ventilation air-conditioning systems, comprising: indoor circulation unit, first end air-treatment unit and second end air-treatment unit；Indoor circulation unit includes indoor circulation water collector and air-conditioner set；Indoor circulation water collector is connected with air-conditioner set, first end air-treatment unit and second end air-treatment unit respectively；Air-conditioner set is also connected with first end air-treatment unit.By using the technical program, the indoor circulating water of a heat exchange was carried out in first end air-treatment unit and air, secondary heat exchange can also be carried out in second end air-treatment unit, dump energy after to be utilized a heat exchange in this way has obtained secondary use, improves the utilization rate of the energy.
Description
Technical field
The present invention relates to Heating,Ventilating and Air Conditioning technical fields, and in particular to a kind of heating ventilation air-conditioning system.
Background technique
Heating,Ventilating and Air Conditioning is to be responsible for the system of ventilation and air conditioning in building.Heating ventilation air-conditioning system is adjustable and controls
Temperature, humidity, cleanliness, speed, the pressure and other parameters of air improve the comfort level in object space, are industrial buildings or do
Gongjian build in an important ring.But after completing a heat exchange, indoor circulating water but flows back into heating ventilation air-conditioning system at present
Cool down or heat up again in indoor circulation water collector, carries out heat exchange next time.When carrying out heat exchange every time, merely with room
The part cooling capacity or heat of interior recirculated water, so that the utilization rate of the energy is lower.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of heating ventilation air-conditioning system, to solve current heating ventilation air-conditioning system
After completing a heat exchange, indoor circulating water, which but flows back into indoor circulation water collector, to cool down or heats up again, carries out down
Heat exchange.When carrying out heat exchange every time, merely with the part cooling capacity or heat of indoor circulating water, so that the energy
The lower problem of utilization rate.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of heating ventilation air-conditioning system, comprising: indoor circulation unit, first end air-treatment unit and second end air
Handle unit；
The load of the first end air-treatment unit is greater than the load of the second end air-treatment unit；
The indoor circulation unit includes indoor circulation water collector and air-conditioner set；
The indoor circulation water collector respectively with the air-conditioner set, the first end air-treatment unit and described
Two end air-treatment units are connected；
The air-conditioner set is also connected with the first end air-treatment unit；
For the indoor circulation water collector for storing indoor circulating water, the indoor circulating water can be delivered to the air-conditioning
Unit；
There is heat transferring medium in the air-conditioner set, the air-conditioner set is used for according to preset mode, by the heat transferring medium
Heat exchange is carried out with the indoor circulating water, the temperature of the indoor circulating water is made to change into target temperature；And by the target
At a temperature of the indoor circulating water be delivered to the first end air-treatment unit；
The first end air-treatment unit be used for by under the target temperature the indoor circulating water and air into
Row heat exchange, realizes the refrigeration or heating of first end, and the temperature of the indoor circulating water becomes medium temperature, and will be described in
Between at a temperature of the indoor circulating water second end air-treatment unit is delivered to by the indoor circulation water collector；
The second end air-treatment unit be used for by under the medium temperature the indoor circulating water and air into
Row heat exchange realizes that the refrigeration or heating of second end, the temperature of the indoor circulating water change into final temperature, and will be described
The indoor circulating water under final temperature is delivered to the indoor circulation water collector.
Further, heating ventilation air-conditioning system described above further includes outdoor Cycle Unit；
The outdoor Cycle Unit includes outdoor circulation water collector and Cooling and Heat Source；
The water outlet of the Cooling and Heat Source is connected by the outdoor circulation water collector with the air-conditioner set, the Cooling and Heat Source
Water inlet be connected with the air-conditioner set；
The outdoor circulation water collector is used for locker room's outer circulation water；
When refrigeration, the Cooling and Heat Source is used to make described under low-temperature condition by the temperature for reducing the outdoor recirculated water
Outdoor recirculated water takes away the heat that the heat transferring medium generates；
When heating, the Cooling and Heat Source is used to make described under the condition of high temperature by the temperature for increasing the outdoor recirculated water
Outdoor recirculated water provides heat to the heat transferring medium.
Further, heating ventilation air-conditioning system described above, the air-conditioner set include compressor, evaporator and condenser；
The compressor is connected with the evaporator and the condenser respectively；
The evaporator is also connected with the condenser；
Under working condition, heat transferring medium recycle stream between the compressor, the evaporator and the condenser
It is dynamic；
The evaporator is connected with the indoor circulation water collector and the first end air-treatment unit respectively, described
Evaporator is also connected with the water inlet of the outdoor circulation water collector and the Cooling and Heat Source respectively；
The condenser is connected with the indoor circulation water collector and the first end air-treatment unit respectively, described
Condenser is also connected with the water inlet of the outdoor circulation water collector and the Cooling and Heat Source respectively；
The compressor makes the heat transferring medium become high-pressure gaseous from low-pressure gaseous for compressing the heat transferring medium；
When refrigeration, the condenser is used for the room under the heat transferring medium of the high-pressure gaseous and low-temperature condition
Outer circulation water carries out heat exchange, so that the heat transferring medium is changed into high-pressure liquid from the high-pressure gaseous, the heat of generation is by institute
The outdoor recirculated water stated under low-temperature condition is taken away；
The evaporator is used to the heat transferring medium of the high-pressure liquid and the indoor circulating water carrying out heat exchange,
So that the heat transferring medium is become the low-pressure gaseous from the high-pressure liquid, absorbs the heat of the indoor circulating water, the room
The temperature of interior recirculated water reduces, and the indoor circulating water under low-temperature condition is delivered to the first end air-treatment unit
Heat exchange is carried out with air, realizes the refrigeration of the first end；
When heating, the condenser is used to carry out the heat transferring medium of the high-pressure gaseous and the indoor circulating water
Heat exchange, makes the heat transferring medium change into the high-pressure liquid from the high-pressure gaseous, and the heat of generation is followed by the interior
Ring water is taken away, and the temperature of the indoor circulating water increases, and the indoor circulating water under the condition of high temperature is delivered to described first
End air-treatment unit and air carry out heat exchange, realize the heating of the first end；
The evaporator be used for by the outdoor recirculated water under the heat transferring medium of the high-pressure liquid and the condition of high temperature into
Row heat exchange makes the heat transferring medium become the low-pressure gaseous from the high-pressure liquid, absorbs the room under the condition of high temperature
The heat of outer circulation water.
Further, heating ventilation air-conditioning system described above, the indoor circulation unit further include indoor circulation water pump；
The outdoor Cycle Unit further includes outdoor water circulating pump；
The indoor circulation water collector by the indoor circulation water pump respectively with the evaporator and the condenser phase
Even；
It is described outdoor circulation water collector by it is described outdoor water circulating pump respectively with the evaporator and the condenser phase
Even.
Further, heating ventilation air-conditioning system described above, the indoor circulation water collector and the indoor circulation water pump are logical
Cross the connection of the first reversed return type connecting port.
Further, heating ventilation air-conditioning system described above, the outdoor circulation water collector and the outdoor water circulating pump are logical
Cross the connection of the second reversed return type connecting port.
Further, heating ventilation air-conditioning system described above, the cold source of the Cooling and Heat Source include cooling tower；
According to maximum refrigeration duty Q1, thermal energy be scaled water with reference to coefficient l1, water loss mend coefficient l in advance2, selected cooling
The pre- benefit coefficient l of the error loss of the production technology of tower3, obtain the quantity of circulating water Q of the cooling towerqAre as follows:
Further, heating ventilation air-conditioning system described above, according to indoor circulation water Qn, in the indoor circulation water collector
Effective flowing cubical content pre- benefit coefficient l5, the effective static volumetric coefficient of discharge of quantity of circulating water in the indoor circulation water collector
l6, obtain the indoor circulation water collector water flowing flow QlAre as follows:
Ql=Qn×l5×l6。
Further, heating ventilation air-conditioning system described above, according to the quantity of circulating water Q of cooling towerq, the outdoor circulation catchments
The pre- benefit coefficient l of effective flowing cubical content in device7, the effective static volumetric amount of quantity of circulating water in the outdoor circulation water collector
Coefficient l8, obtain the outdoor circulation water collector water flowing flow QkAre as follows:
Qk=Qq×l7×l8。
Further, heating ventilation air-conditioning system described above, the heat source of the Cooling and Heat Source include boiler system and/or geothermal system
System.
Heating ventilation air-conditioning system of the invention uses above technical scheme, comprising: at indoor circulation unit, first end air
Manage unit and second end air-treatment unit；The load of first end air-treatment unit is greater than second end air processing machine
The load of group；Indoor circulation unit includes indoor circulation water collector and air-conditioner set；Indoor circulation water collector respectively with air conditioner
Group, first end air-treatment unit are connected with second end air-treatment unit；Air-conditioner set is also and at first end air
Unit is managed to be connected；For indoor circulation water collector for storing indoor circulating water, indoor circulating water can be delivered to air-conditioner set；Air-conditioning
There is heat transferring medium in unit, air-conditioner set is used for according to preset mode, and heat transferring medium and indoor circulating water are carried out heat exchange, made
The temperature of indoor circulating water changes into target temperature, and the indoor circulating water under target temperature is delivered at first end air
Manage unit；First end air-treatment unit is used to the indoor circulating water under target temperature carrying out heat exchange with air, realizes
The refrigeration or heating of first end, the temperature of indoor circulating water become medium temperature, and by the indoor circulating water under medium temperature
Second end air-treatment unit is delivered to by indoor circulation water collector；Second end air-treatment unit is used for intermediate temperature
Indoor circulating water and air under degree carry out heat exchange, realize that the refrigeration or heating of second end, the temperature of indoor circulating water change
Become final temperature, and the indoor circulating water under final temperature is delivered to indoor circulation water collector.By using this technology side
Case carried out the indoor circulating water of a heat exchange in first end air-treatment unit and air, can also be in second end
Air-treatment unit carries out secondary heat exchange, so that the dump energy after a heat exchange is utilized has obtained secondary benefit
With improving the utilization rate of the energy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure chart that heating ventilation air-conditioning system embodiment one of the present invention provides；
Fig. 2 is the structure chart that heating ventilation air-conditioning system embodiment two of the present invention provides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment one:
Fig. 1 is the structure chart that heating ventilation air-conditioning system embodiment one of the present invention provides.Referring to Fig. 1, HVAC of the invention is empty
Adjusting system may include indoor circulation unit 11, first end air-treatment unit 12 and second end air-treatment unit 13.
Specifically, in the actual production process, end air processing machine can be set with actual needs according to the actual situation
The quantity of group, the present embodiment is only explained to invention and example, can not limit the present invention.The present embodiment is preferably two
End air-treatment unit, wherein the load of first end air-treatment unit 12 can be greater than second end air-treatment unit
13 load.Specifically, the indoor circulation unit 11 of the present embodiment may include indoor circulation water collector 111 and air-conditioner set
112.Indoor circulation water collector 111 can be empty with air-conditioner set 112, first end air-treatment unit 12 and second end respectively
Gas disposal unit 13 is connected.Air-conditioner set 112 can also be connected with first end air-treatment unit 12.The air-conditioning of the present embodiment
The start-up mode of unit 112 can be selected to the shock-free frequency conversion reduced-voltage starting of power grid, and temperature real-time sensing realization can be used
The unloading of unit is shut down, and system can be carried out using direct data control, the control of building equipment robot control system(RCS) or intelligence system
Control.
Further, the indoor circulation unit 11 of the present embodiment can use individual shunt feed system, indoor circulation collection
For hydrophone 111 for storing indoor circulating water, indoor circulating water can be transported to air-conditioner set 112.
There is heat transferring medium in the air-conditioner set 112 of the present embodiment, air-conditioner set 112 is used to exchange heat according to preset mode
Medium and indoor circulating water carry out heat exchange, so that the temperature of indoor circulating water is changed into target temperature, and will be under target temperature
Indoor circulating water is delivered to first end air-treatment unit 12.Specifically, the preset mode of the present embodiment includes refrigeration mode
And heating mode.
The first end air-treatment unit 12 of the present embodiment may include the first surface air cooler 121, the room under target temperature
Interior recirculated water and air carry out heat exchange at the first surface air cooler 121, realize refrigeration or heating at first end.Target temperature
Indoor circulating water and air under degree become medium temperature after completing heat exchange, and the indoor circulating water under medium temperature can pass through
Indoor circulation water collector 111 is delivered to second end air-treatment unit 13.
Second end air-treatment unit 13 may include the second surface air cooler 131, the indoor circulating water under medium temperature with
Air carries out heat exchange at the second surface air cooler 131, realizes refrigeration or heating at second end.Indoor circulating water at this time
Temperature becomes final temperature, and the indoor circulating water under final temperature is transported to indoor circulation water collector 111, to carry out next time
Circulation.
The Heating,Ventilating and Air Conditioning of the present embodiment may include: indoor circulation unit 11, first end air-treatment unit 12 and
Two end air-treatment units 13；The load of first end air-treatment unit 12 is greater than second end air-treatment unit 13
Load；Indoor circulation unit 11 includes indoor circulation water collector 111 and air-conditioner set 112；Indoor circulation water collector 111 respectively with
Air-conditioner set 112, first end air-treatment unit 12 are connected with second end air-treatment unit 13；Air-conditioner set 112 is also
It is connected with first end air-treatment unit 12；Indoor circulation water collector 111 is for storing indoor circulating water, indoor circulation water energy
Enough it is delivered to air-conditioner set 112；There is heat transferring medium in air-conditioner set 112, air-conditioner set 112 is used to change according to preset mode
Thermal medium and indoor circulating water carry out heat exchange, so that the temperature of indoor circulating water is changed into target temperature, and will be under target temperature
Indoor circulating water be delivered to first end air-treatment unit 12；First end air-treatment unit 12 is used for target temperature
Under indoor circulating water and air carry out heat exchange, realize that the refrigeration or heating of first end, the temperature of indoor circulating water become
Medium temperature, and the indoor circulating water under medium temperature is delivered at second end air by indoor circulation water collector 111
Manage unit 13；Second end air-treatment unit 13 is used to the indoor circulating water under medium temperature carrying out heat exchange with air,
Realize that the refrigeration or heating of second end, the temperature of indoor circulating water change into final temperature, and by the interior under final temperature
Recirculated water is delivered to indoor circulation water collector 111.By using the technical program, in first end air-treatment unit 12 and sky
Gas carried out the indoor circulating water of a heat exchange, can also carry out secondary heat exchange in second end air-treatment unit 13,
Dump energy after to be utilized a heat exchange in this way has obtained secondary use, improves the utilization rate of the energy.
Embodiment two:
Fig. 2 is the structure chart that heating ventilation air-conditioning system embodiment two of the present invention provides.Referring to Fig. 2, the present embodiment is above
The present invention is explained further on the basis of embodiment.
Specifically, the present invention can also include outdoor Cycle Unit 14, and outdoor Cycle Unit 14 includes that outdoor circulation is catchmented
The outdoor Cycle Unit 14 of device 141 and Cooling and Heat Source 142, the present embodiment can use individual shunt feed system.Specifically, cold and hot
The water outlet in source 142 can be connected by outdoor circulation water collector 141 with air-conditioner set 112, the water inlet and sky of Cooling and Heat Source 142
Unit 112 is adjusted to be connected.The outdoor circulation water collector 141 of the present embodiment can be used for locker room's outer circulation water, and Cooling and Heat Source 142 can be with
For, by raising or the temperature of the outdoor recirculated water of reduction, mentioning outdoor recirculated water to the heat transferring medium according to preset mode
Heating load or the heat for taking away the heat transferring medium.Specifically, in the present embodiment, heat transferring medium passes through between liquid and gaseous state
Refrigeration and heating are realized in conversion.In cooling mode, Cooling and Heat Source 142 reduces the temperature of outdoor recirculated water, makes outdoor recirculated water band
The heat of heat transferring medium is walked, so that the heat that heat transferring medium generates when becoming high-pressure liquid from high-pressure gaseous can quickly dissipate
Hair；In a heating mode, Cooling and Heat Source 142 increases the temperature of outdoor recirculated water, and outdoor recirculated water is enable to provide to heat transferring medium
Its required heat when becoming low-pressure gaseous from high-pressure liquid, and then improve the transfer efficiency of heat transferring medium.
Specifically, the air-conditioner set 112 of the present embodiment may include compressor 1121, evaporator 1122 and condenser
1123；Compressor 1121 can be connected with evaporator 1122 and condenser 1123 respectively, evaporator 1122 can also and condenser
1123 are connected.There is heat transferring medium in compressor 1121, evaporator 1122 and condenser 1123.The heat transferring medium of the present embodiment can be with
Selecting has compressible, easy condensation and refrigerant, such as freon, dimethyl ether, pentamethylene of easily vaporizing property etc..The present embodiment
The inflow temperature of evaporator 1122 be preferably 7 DEG C~15 DEG C, preferably produce the temperature difference of producing 75 deg. C；The condenser 1123 of the present embodiment
Inflow temperature be preferably 15 DEG C~32 DEG C, preferably produce the temperature difference of producing 75 deg. C, preferably downward film evaporator.
The evaporator 1122 of the present embodiment respectively with 12 phase of indoor circulation water collector 111 and first end air-treatment unit
Even, evaporator 1122 is also connected with the water inlet of outdoor circulation water collector 141 and Cooling and Heat Source 142 respectively；Condenser 1123 is distinguished
Be connected with indoor circulation water collector 111 and first end air-treatment unit 12, condenser 1123 also respectively with outdoor cycle set
Hydrophone 141 is connected with the water inlet of Cooling and Heat Source 142.
The compressor 1121 of the present embodiment makes heat transferring medium become high pressure gas from low-pressure gaseous for compressing heat transferring medium
State.The compressor 1121 of the present embodiment is preferably frequency conversion-accessible compressor.
Under refrigeration mode, condenser 1123 is used for the outdoor recirculated water under the heat transferring medium and low-temperature condition of high-pressure gaseous
Heat exchange is carried out, heat transferring medium is made to become high-pressure liquid, the heat that heat transferring medium generates in this transition process from high-pressure gaseous
Amount is taken away by the outdoor recirculated water under low-temperature condition, and outdoor circulating water flow returns to Cooling and Heat Source 142 and freezed again, high-pressure liquid
Heat transferring medium flows into evaporator 1122.
Evaporator 1122 is used to the indoor circulating water under the heat transferring medium of high-pressure liquid and the condition of high temperature carrying out heat exchange,
Heat transferring medium is set to become low-pressure gaseous from high-pressure liquid, heat transferring medium absorbs the heat of indoor circulating water in this course, drop
The temperature of low indoor circulating water, the indoor circulating water under low-temperature condition are transported to first end air-treatment unit 12 and second
End air-treatment unit 13, realizes the refrigeration of first end and second end, and the heat transferring medium of low-pressure gaseous flow back into compression
Machine 1121.
Under heating mode, condenser 1123 is used to the heat transferring medium of high-pressure gaseous and indoor circulating water carrying out heat exchange,
Heat transferring medium is set to become high-pressure liquid from high-pressure gaseous, the heat that heat transferring medium generates during this is by indoor circulating water band
It walks, the temperature of indoor circulating water increases, and the indoor circulating water under the condition of high temperature is transported to first end air-treatment unit 12
With second end air-treatment unit 13, the heating of first end and second end is realized, the heat transferring medium of high-pressure liquid flows into
Evaporator 1122.
Evaporator 1122 is used to the outdoor recirculated water under the heat transferring medium of high-pressure liquid and the condition of high temperature carrying out heat exchange,
Heat transferring medium is set to become low-pressure gaseous from high-pressure liquid, the outdoor under the heat transferring medium absorption chamber condition of high temperature is followed in this course
The heat of ring water, outdoor circulating water flow return to Cooling and Heat Source 142 and re-start heating, and the heat transferring medium of low-pressure gaseous flow back into compression
Machine 1121.
Specifically, the indoor circulation unit 11 of the present embodiment can also include indoor circulation water pump 113, outdoor Cycle Unit
14 can also include outdoor water circulating pump 143, indoor circulation water collector 111 by indoor circulation water pump 113 respectively with evaporator
1122 are connected with condenser 1123；Outdoor circulation water collector 141 pass through outdoor water circulating pump 143 respectively with evaporator 1122 and cold
Condenser 1123 is connected.Indoor circulation water pump 113 can accelerate the flowing velocity of indoor circulating water, and outdoor water circulating pump 143 can
Accelerate the flowing velocity of outdoor recirculated water, and then improves heat exchange efficiency.Indoor circulation water pump 113 and outdoor water circulating pump 143 can
To select fixed-frequency-type or frequency conversion type, power supply can choose 380V/3P+N+PE/50Hz.The indoor circulation water pump of the present embodiment
113 and outdoor water circulating pump 143 be preferably frequency conversion type, the power supply adjustable frequency of 380V, 50Hz × 80%.
Specifically, the indoor circulation water collector 111 of the present embodiment and indoor circulation water pump 113 are plugged by the first reversed return type
Mouth connection；Outdoor circulation water collector 141 is connected with outdoor water circulating pump 143 by the second reversed return type connecting port, reversed return type it is each
Loop piping in parallel is equal, and the roughly the same easy balance of resistance, assignment of traffic is more balanced, can reduce the difficulty adjusted for the first time, together
When be suitable for any desired place.
Specifically, the cold source of the present embodiment Cooling and Heat Source 142 may include cooling tower.The preferred wet bulb of the cooling tower of the present embodiment
Humidity is 28 DEG C, can produce 5 DEG C of the temperature difference.It is needed and quantity of circulating water Q when cooling tower type selectingqFor foundation, the present embodiment cooling
The quantity of circulating water Q of towerqCalculation are as follows:
Wherein, Q1Indicate maximum refrigeration duty, the maximum refrigeration duty that maximum refrigeration duty should need to undertake for HVAC system；l1
Water is converted with reference to coefficient for condenser side thermal energy, and the present embodiment is according to " JBT 3355-1998 centrifugal refrigerating machines " machinery
Professional standard, specifically as shown in nominal condition rated condition in table 1, l1Value is 0.224m3/(h.kw)；l3For selected cooling tower
Production technology error loss pre- benefit coefficient, the l of the present embodiment3Take 1.2；l2Coefficient, the present embodiment are mended in advance for water loss
l2Value is 90%.
Table 1
The cooling tower of the present embodiment is calculated using water source heat pump air-conditioner surface water system operation process, water and the Nature air
The atmospheric pressure natural power separation condition of heat exchange accelerates airflow circulating cooling using driven fan in very hot weather environment operating condition
Principle operation, to reduce the occupied area of equipment, tower body is arranged using combined type entirety water-collecting tray sub-module Inlet and outlet water, this sets
Setting can be according to the customized equipment of the forms such as in-site installation geography position and outer dimension, corner.
Circulation water collector 111 and outdoor circulation water collector 141 are in air-conditioner set 112 in the system chambers of the present embodiment
The type selecting of important component, indoor circulation water collector 111 is needed with the indoor circulation water Q of indoor circulation water collector 111nFor according to
According to 111 water flowing flow Q of the present embodiment indoor circulation water collectorlCalculation are as follows:
Ql=Qn×l5×l6
Wherein, l5It is effectively dynamic in order to guarantee for the pre- benefit coefficient of the effective flowing cubical content in outdoor circulation water collector 141
The buffering lateral pressure of state water, the l of the present embodiment5Value take 2；l6It is effectively static for the quantity of circulating water in outdoor circulation water collector 141
Volume coefficient of discharge, takes 0.86；
Indoor circulation water QnIt can be by maximum refrigeration duty Q1Conversion, it may be assumed that
Qn=Q1×l9
Wherein l9Water is converted with reference to coefficient for vaporizer side thermal energy, and the present embodiment is 0.172 with reference to value, such as 1 institute of table
Show.
The type selecting of outdoor circulation water collector 141 is needed with the water flowing flow Q of outdoor circulation water collector 141kFor foundation, this reality
Apply 141 water flowing flow Q of example outdoor circulation water collectorkCalculation are as follows:
Qk=Qq×l7×l8
Wherein, l7It is effectively dynamic in order to guarantee for the pre- benefit coefficient of the effective flowing cubical content outside outdoor circulation water collector 141
The buffering lateral pressure of state water, the l of the present embodiment7Value take 2；l8It is effectively static for the quantity of circulating water outside outdoor circulation water collector 141
Volume coefficient of discharge, takes 0.86.
Specifically, the cold source of the Cooling and Heat Source 142 of the present embodiment can also include boiler system and/or geothermal system, to mention
The temperature of high outdoor recirculated water.
Specifically, the heating ventilation air-conditioning system of the present embodiment can using new energy " air force self-loopa generator " and
" self-loopa magneto " product, zero energy consumption operating cost investment are answered into " distributed new micro-capacitance sensor " system Construction
With.
The heating ventilation air-conditioning system of the present embodiment can also include outdoor Cycle Unit 14 on the basis of above embodiments,
To provide heat to circulatory mediator or take away the heat of circulatory mediator；The air-conditioner set 112 of the present embodiment may include compressor
1121, evaporator 1122 and condenser 1123, to realize heating or refrigeration by the state for changing circulatory mediator, this implementation is also
It may include indoor circulation water pump 113 and outdoor water circulating pump 143, to improve heat exchange efficiency.By using the technical program,
First end air-treatment unit 12 and air carried out the indoor circulating water of a heat exchange, can also be in second end air
Processing unit 13 carries out secondary heat exchange, so that and the dump energy after a heat exchange is utilized has obtained secondary use,
Improve the utilization rate of the energy.
Embodiment three:
Specifically, the heating ventilation air-conditioning system of the present embodiment is applied in Mr. Yu's engineering, the project overview of the engineering such as 2 institute of table
Show.
| Engineering order | Level-one | Design life | 50 years |
| Overall floorage (m2) | 58068.43m2 | Seismic fortification intensity | 7 degree (first group) |
| Hypogee area (m2) | 11718.61m2 | Superstructure area (m2) | 35345.79m2 |
| Area of base (m2) | 7523.88m2 | Architecture structure form | Frame structure |
| The number of plies (layer) | 6F | Building height (m) | 35.0m |
| Build classification | Commercial building | Fire resistance rating | Level-one |
Table 2
The air-conditioning layout of the engineering is as shown in table 3.By table 3 it is found that the maximum refrigeration duty Q of the present embodiment1For
16825.37kw。
Table 3
The applicable time table of the engineering is as shown in table 4.
Table 4
The refrigeration host computer configuration of the engineering is as follows:
The setting of banquet hall business cold source refrigeration station: cold source concentrated setting is in 1-B minus two floor refrigerating plant room, it is contemplated that
After concurrent signatures, " mode screw-type water chiller drops in 350RT frequency conversion " is selected, and 1 shares, and total installation of generating capacity is
1231.0kw。
The setting of negative one floor cold source refrigeration station: cold source concentrated setting is in 1-B minus two floor refrigerating plant room, it is contemplated that simultaneously
After coefficient of utilization, " mode screw-type water chiller drops in 350RT frequency conversion " is selected, and 2 share, total installation of generating capacity 2462.0kw.
The setting of 1F-5F business cold source refrigeration station: cold source concentrated setting is in 1-B minus two floor refrigerating plant room, it is contemplated that
After concurrent signatures, " mode centrifugal refrigerating machines drop in 1000RT frequency conversion " is selected, and 2 share, and total installation of generating capacity is
7032.0kw。
The setting of cold source refrigeration station, hotel: cold source concentrated setting is in 1-B minus two floor refrigerating plant room, it is contemplated that makes simultaneously
After coefficient, selection and banquet hall " mode screw-type water chiller drops in 350RT frequency conversion ", 1 is shared, and (daytime, air conditioner cold water followed
Lottery of lotteries return water waste cold, consume energy cooling capacity: 1043.61kw/h) total installation of generating capacity be 1231.0kw.
The setting in underground commerce area (building materials market), shopping centre cold source refrigeration station of handling official business: cold source concentrated setting is negative at 1-B
In two layers of refrigerating plant room, check " humid air psychrometric chart ", 15 degree or less can also freeze and reach the air-conditioning of comfort level and adjust cooling and want
It asks, so can also be run again using refrigeration system at 12 degree of air-conditioning return water temperature, after the return water temperature exchange of 5 degree of temperature difference
Reach 17 degree of water temperatures, then 7 degree of water outlets be cooled to by refrigeration host computer and enter system circulation, thus the set circulatory system select with
2 return water waste colds of 1F-5F business cold source " mode centrifugal refrigerating machines drop in 1000RT frequency conversion " extract cycle sharing out, consume the energy
Cooling capacity: 2977kw/h, total installation of generating capacity 7032.0kw.
The quantity of circulating water Q of cooling towerqAre as follows:
Therefore, the present embodiment can be preferred
HL-5100T cools down tower.
The indoor circulation water collector 111 of the preferred DN800mm of the present embodiment, 111 water flowing flow Q of indoor circulation water collectorlAre as follows:
Qn=Q1×l9=16825.37 × 0.172=2893.96m3/ h, Qn2894m can be taken3/h。
Ql=Qn×l5×l6=2894 × 2 × 0.86=4978m3/h。
The outdoor circulation water collector 141 of the preferred DN1000mm of the present embodiment, outdoor 141 water flowing flow Q of circulation water collectork
Are as follows:
Qk=Qq×l7×l8=5100 × 2 × 0.86=8772m3/h
The present embodiment can play the exchange interaction of water temperature energy consumption, the system by systemic circulation band partial circulating water system
Can synthesis energy saving 60% or so, the consumption of heating ventilation air-conditioning system electric energy greatly reduces and occupies 75% or so of the project electricity charge
Share improves the utilization rate of the energy so that the dump energy being utilized after a heat exchange has obtained secondary use.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of heating ventilation air-conditioning system characterized by comprising indoor circulation unit, first end air-treatment unit and
Two end air-treatment units；
The load of the first end air-treatment unit is greater than the load of the second end air-treatment unit；
The indoor circulation unit includes indoor circulation water collector and air-conditioner set；
The indoor circulation water collector respectively with the air-conditioner set, the first end air-treatment unit and it is described second end
Air-treatment unit is held to be connected；
The air-conditioner set is also connected with the first end air-treatment unit；
For the indoor circulation water collector for storing indoor circulating water, the indoor circulating water can be delivered to the air conditioner
Group；
There is heat transferring medium in the air-conditioner set, the air-conditioner set is used for according to preset mode, by the heat transferring medium and institute
It states indoor circulating water and carries out heat exchange, the temperature of the indoor circulating water is made to change into target temperature；And by the target temperature
Under the indoor circulating water be delivered to the first end air-treatment unit；
The first end air-treatment unit is used for the indoor circulating water and air progress heat under the target temperature
Exchange realizes that the refrigeration or heating of first end, the temperature of the indoor circulating water become medium temperature, and will be described intermediate warm
The indoor circulating water under degree is delivered to the second end air-treatment unit by the indoor circulation water collector；
The second end air-treatment unit is used for the indoor circulating water and air progress heat under the medium temperature
Exchange realizes that the refrigeration or heating of second end, the temperature of the indoor circulating water change into final temperature, and will be described final
At a temperature of the indoor circulating water be delivered to the indoor circulation water collector.
2. heating ventilation air-conditioning system according to claim 1, which is characterized in that further include outdoor Cycle Unit；
The outdoor Cycle Unit includes outdoor circulation water collector and Cooling and Heat Source；
The water outlet of the Cooling and Heat Source is connected by the outdoor circulation water collector with the air-conditioner set, the Cooling and Heat Source into
The mouth of a river is connected with the air-conditioner set；
The outdoor circulation water collector is used for locker room's outer circulation water；
When refrigeration, the Cooling and Heat Source is used to make the outdoor under low-temperature condition by the temperature for reducing the outdoor recirculated water
Recirculated water takes away the heat that the heat transferring medium generates；
When heating, the Cooling and Heat Source is used to make the outdoor under the condition of high temperature by the temperature for increasing the outdoor recirculated water
Recirculated water provides heat to the heat transferring medium.
3. heating ventilation air-conditioning system according to claim 2, which is characterized in that the air-conditioner set includes compressor, evaporator
And condenser；
The compressor is connected with the evaporator and the condenser respectively；
The evaporator is also connected with the condenser；
Under working condition, the heat transferring medium circulates between the compressor, the evaporator and the condenser；
The evaporator is connected with the indoor circulation water collector and the first end air-treatment unit respectively, the evaporation
Device is also connected with the water inlet of the outdoor circulation water collector and the Cooling and Heat Source respectively；
The condenser is connected with the indoor circulation water collector and the first end air-treatment unit respectively, the condensation
Device is also connected with the water inlet of the outdoor circulation water collector and the Cooling and Heat Source respectively；
The compressor makes the heat transferring medium become high-pressure gaseous from low-pressure gaseous for compressing the heat transferring medium；
When refrigeration, the condenser is for following the heat transferring medium of the high-pressure gaseous and the outdoor under low-temperature condition
Ring water carries out heat exchange, so that the heat transferring medium is changed into high-pressure liquid from the high-pressure gaseous, the heat of generation is by described low
The outdoor recirculated water under temperature state is taken away；
The evaporator is used to the heat transferring medium of the high-pressure liquid and the indoor circulating water carrying out heat exchange, makes institute
Stating heat transferring medium becomes the low-pressure gaseous from the high-pressure liquid, absorbs the heat of the indoor circulating water, and the interior is followed
The temperature of ring water reduces, and the indoor circulating water under low-temperature condition is delivered to the first end air-treatment unit and sky
Gas carries out heat exchange, realizes the refrigeration of the first end；
When heating, the condenser is used to the heat transferring medium of the high-pressure gaseous and the indoor circulating water carrying out hot friendship
It changes, so that the heat transferring medium is changed into the high-pressure liquid from the high-pressure gaseous, the heat of generation is by the indoor circulating water
It takes away, the temperature of the indoor circulating water increases, and the indoor circulating water under the condition of high temperature is delivered to the first end
Air-treatment unit and air carry out heat exchange, realize the heating of the first end；
The evaporator is used to the outdoor recirculated water under the heat transferring medium of the high-pressure liquid and the condition of high temperature carrying out heat
Exchange makes the heat transferring medium become the low-pressure gaseous from the high-pressure liquid, and the outdoor absorbed under the condition of high temperature is followed
The heat of ring water.
4. heating ventilation air-conditioning system according to claim 3, which is characterized in that the indoor circulation unit further includes indoor circulation
Water pump；
The outdoor Cycle Unit further includes outdoor water circulating pump；
The indoor circulation water collector is connected with the evaporator and the condenser respectively by the indoor circulation water pump；
The outdoor circulation water collector is connected with the evaporator and the condenser respectively by the outdoor water circulating pump.
5. heating ventilation air-conditioning system according to claim 4, which is characterized in that the indoor circulation water collector and the interior are followed
Ring water pump is connected by the first reversed return type connecting port.
6. heating ventilation air-conditioning system according to claim 4, which is characterized in that the outdoor circulation water collector and the outdoor are followed
Ring water pump is connected by the second reversed return type connecting port.
7. heating ventilation air-conditioning system according to claim 2, which is characterized in that the cold source of the Cooling and Heat Source includes cooling tower；
According to maximum refrigeration duty Q1, thermal energy be scaled water with reference to coefficient l1, water loss mend coefficient l in advance2, selected cooling tower
The pre- benefit coefficient l of the error loss of production technology3, obtain the quantity of circulating water Q of the cooling towerqAre as follows:
8. heating ventilation air-conditioning system according to claim 7, which is characterized in that according to indoor circulation water Qn, the indoor circulation
The pre- benefit coefficient l of effective flowing cubical content in water collector5, quantity of circulating water in the indoor circulation water collector is effectively static holds
Accumulated amount coefficient l6, obtain the indoor circulation water collector water flowing flow QlAre as follows:
Ql=Qn×l5×l6。
9. heating ventilation air-conditioning system according to claim 7, which is characterized in that according to the quantity of circulating water Q of cooling towerq, the outdoor
Recycle the pre- benefit coefficient l of the effective flowing cubical content in water collector7, the quantity of circulating water in the outdoor circulation water collector it is effectively quiet
State volume coefficient of discharge l8, obtain the outdoor circulation water collector water flowing flow QkAre as follows:
Qk=Qq×l7×l8。
10. according to any heating ventilation air-conditioning system of claim 2-9, which is characterized in that the heat source of the Cooling and Heat Source includes pot
Furnace system and/or geothermal system.
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| CN201910211252.1A CN109945362A (en) | 2019-03-19 | 2019-03-19 | Heating ventilation air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910211252.1A CN109945362A (en) | 2019-03-19 | 2019-03-19 | Heating ventilation air-conditioning system |
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| CN109945362A true CN109945362A (en) | 2019-06-28 |
Family
ID=67011162
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Application publication date: 20190628 |