CN209569837U - A kind of low dew point depth dehumidification system - Google Patents
A kind of low dew point depth dehumidification system Download PDFInfo
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Abstract
A kind of low dew point depth dehumidification system, including coolant system, the coolant system includes compressor, the first electric multi-way valve, the second electric multi-way valve, condensing heat-exchange parallel-connection structure, evaporation and heat-exchange parallel-connection structure, third condensing heat-exchange unit, throttle valve, the compressor, the first electric multi-way valve, condensing heat-exchange parallel-connection structure, throttle valve, the second electric multi-way valve, evaporation and heat-exchange parallel-connection structure are sequentially connected in series, and form the coolant loop of closure.The utility model only configures a set of independent cooling cycle system continued working, realizes condensing heat-exchange parallel-connection structure by the first electric multi-way valve, the second electric multi-way valve, the branch of evaporation and heat-exchange parallel-connection structure switches selection；Meanwhile heating defrosting can be carried out to the evaporation coil of frosting in refrigeration system using the condensation heat that the condensing heat-exchange unit in certain group air duct discharges in refrigerant condensation process, accelerate the defrosting time of system.
Description
Technical field
The utility model relates to air-treatment field more particularly to a kind of low dew point depth dehumidification systems.
Background technique
The depth dehumidification system of low dew point is exactly as its name suggests that air-treatment is generally used for sky to very low dew-point temperature
Adjusting system has in the refrigerating environment of lower requirement blasting humidity (air-supply absolute moisture content), is that a kind of direct-evaporation-type cooling is deep
Spend dehumidification system.The depth dehumidification system of existing low dew point, it is contemplated that evaporated during the cool-down dehumidification of low dew point processing
Device side meeting frosting, configured with two sets of independent direct evaporations being made of components such as compressor, evaporator, condenser, expansion valves
Refrigeration system；When a refrigeration system evaporation side frosting, current refrigeration system can be automatically closed, and be then turned on another
Refrigeration system works, and carries out alternately defrosting by the switching in turn of two independent refrigeration systems, realizes continual
Cool-down dehumidification processing is carried out to air.Due to configuring two refrigeration systems, refrigeration part is more, and refrigeration pipeline is relative complex；Simultaneously
When single refrigeration system operation, another refrigeration system can be in idle state, and not only efficiency is low and will cause refrigeration resource
Serious waste.
The patent application that publication No. is CN107525167A discloses a kind of low dew point dehumidification system, including freeze drying dress
It sets and includes the first evaporator with low dew point dehumidification device, the refrigeration dehumidifying device, the low dew point dehumidification device includes second
Evaporator group, the second compressor, the second condenser and second throttling device, the second evaporator group, the second compressor, second
Condenser and second throttling device connect to form circulation loop, first evaporator and the second evaporator group along wind direction according to
Secondary setting, the second evaporator group include at least two the second evaporators being arranged in parallel, and the second evaporator connection is used
To control the third throttling set of second evaporator；The invention can effectively solve the problem that the dehumidifying problem under low temperature environment, but
Being is still that practical two independent refrigeration systems carry out dehumidification work, refrigeration system cannot be fully utilized, to cause one
Determine the wasting of resources of degree.
Summary of the invention
For existing low dew point depth dehumidification system need two independent refrigeration systems switch in turn carry out replace remove
Frost, refrigeration part are more, the problems such as refrigeration pipeline is complicated, and the utility model, which provides, a kind of only configures a set of independent continue working
Cooling cycle system, system be simple, flexible operation, practical low dew point depth dehumidification system.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of low dew point depth dehumidification system, including coolant system, the coolant system includes compressor, first electronic more
Port valve, the second electric multi-way valve, condensing heat-exchange parallel-connection structure, evaporation and heat-exchange parallel-connection structure, throttle valve, the compressor, first
Electric multi-way valve, condensing heat-exchange parallel-connection structure, throttle valve, the second electric multi-way valve, evaporation and heat-exchange parallel-connection structure are sequentially connected in series company
It connects, forms the coolant loop of closure；The condensing heat-exchange parallel-connection structure includes the condensing heat-exchange unit that several are connected in parallel, institute
Stating evaporation and heat-exchange parallel-connection structure includes the evaporation and heat-exchange unit that several are connected in parallel, and the entrance of first electric multi-way valve connects
The exhaust outlet of oil eliminator after the compressor is connect, several outlets of first electric multi-way valve are changed with the condensation respectively
Several condensing heat-exchange units of hot parallel-connection structure connect, and the entrance of second electric multi-way valve connects going out for the throttle valve
Mouthful, several outlets of second electric multi-way valve respectively with several evaporation and heat-exchange lists of the evaporation and heat-exchange parallel-connection structure
Member connection.
Further, the condensing heat-exchange unit in the condensing heat-exchange parallel-connection structure and the evaporation and heat-exchange parallel-connection structure
Evaporation and heat-exchange unit corresponds, and forms several groups air duct.
Further, the low dew point depth dehumidification system further includes third condensing heat-exchange unit, and the third condensation is changed
Hot cell is set between the condensing heat-exchange parallel-connection structure, throttle valve, is series in the coolant loop；The third condensation is changed
Hot cell can flexibly be arranged in pairs or groups according to actual needs, or match condensation thermal modules again, or condense reheating module with temperature controllable, or match
Air cooling module, or match water cooling module, or selection does not configure third condensing heat-exchange unit.
Further, the condensing heat-exchange parallel-connection structure includes the first condensing heat-exchange unit being connected in parallel, the second condensation
Heat exchange unit, the evaporation and heat-exchange parallel-connection structure include the first evaporation and heat-exchange unit being connected in parallel, the second evaporation and heat-exchange unit,
First electric multi-way valve is the first electric T-shaped valve, and second electric multi-way valve is the second electric T-shaped valve.
Further, the low dew point depth dehumidification system further includes air-valve, the first evaporation and heat-exchange unit, first cold
Solidifying heat exchange unit forms the first air duct, and the second evaporation and heat-exchange unit, the second condensing heat-exchange unit form the second air
Channel, the air-valve control the switching between the first air duct and the second air duct.
Further, the first condensing heat-exchange unit is equipped with the first check valve, and the first condensing heat-exchange unit enters
(interface b), the outlet of the first condensing heat-exchange unit pass through described the first outlet of mouth connection first electric T-shaped valve
First check valve connects the third condensing heat-exchange unit；The second condensing heat-exchange unit is equipped with second one-way valve, and described the
The entrance of two condensing heat-exchange units connects second outlet (interface c), second condensing heat-exchange of first electric T-shaped valve
The outlet of unit connects the third condensing heat-exchange unit by the second one-way valve.
Further, the compressor is efficient scroll formula compressor, can carry out multiple pressure machine parallel connection, the row of the compressor
Dual-pressure controller and pressure gauge are equipped between gas end, air return end.
Further, the low dew point depth dehumidification system further includes oil eliminator, and the oil eliminator is set to the pressure
Between contracting machine and first electric multi-way valve, the air inlet of the oil eliminator is connect with the exhaust outlet of the compressor,
Gas outlet is connect with the entrance of first electric multi-way valve, and oil outlet is connect with the oil inlet of the compressor.
Further, the low dew point depth dehumidification system further includes device for drying and filtering, and the device for drying and filtering is set to the
Contaminant filter and drying between three condensing heat-exchange units and the throttle valve, for the coolant system.
Further, the low dew point depth dehumidification system further includes liquid reservoir, and it is cold that the liquid reservoir is set to the third
Between solidifying heat exchange unit and the device for drying and filtering, for temporarily storing coolant media excessive in the coolant system.
Further, the low dew point depth dehumidification system further includes gas-liquid separator, and the gas-liquid separator is set to institute
It states between evaporation and heat-exchange parallel-connection structure and the compressor, the refrigerant for being prepared to enter into the compressor return air end is subjected to gas-liquid point
From.
Further, the third condensing heat-exchange unit can flexibly be arranged in pairs or groups according to actual needs, or with condensation reheating
Module, or reheating module is condensed with temperature controllable, or match air cooling module, or match water cooling module, or selection does not configure third condensation and changes
Hot cell.
Further, the low dew point depth dehumidification system further includes control system, and the control system is used to receive, divide
Analysis processing sends control information to each component, such as the defrosting signal of reception evaporation and heat-exchange unit, and corresponding adjustment first is electronic more
The selection switching of port valve, the second electric multi-way valve, air-valve.
When airhandling equipment control system receives defrosting signal, the first evaporation and heat-exchange unit is in defrosting mode, at this time
System can adjust electric T-shaped valve interface channel, switch the flow direction of refrigerant, while switch air-valve channel, switch recycled air stream
To.
Beneficial effect of the utility model is: the utility model only configures a set of independent refrigeration continued working and follows
Loop system (coolant system) realizes that condensing heat-exchange parallel-connection structure, evaporation change by the first electric multi-way valve, the second electric multi-way valve
The branch of hot parallel-connection structure switches selection, when certain group evaporation and heat-exchange unit frosting alarm, can will be freezed by electric multi-way valve
Agent switches to other side evaporation and heat-exchange unit and continues normal cool-down dehumidification work, to realize holding for cooling cycle system
Continuous work；Meanwhile condensing heat-exchange unit and evaporation and heat-exchange unit correspond, and form several groups air duct, and can pass through wind
Valve opens/closes certain group air duct, when closing passage, using the condensing heat-exchange unit of the group in refrigerant condensation process
The condensation heat of release carries out heating defrosting to the evaporation coil of frosting in refrigeration system, accelerates the defrosting time of system.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the coolant system schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram that the utility model embodiment 1 is applied to air-conditioner set in air-conditioning system；
Fig. 3 is the coolant system schematic diagram of the utility model embodiment 2.
In figure, 1, compressor；2, oil eliminator；3, the first electric T-shaped valve；31, the first electric multi-way valve；4, first is cold
Solidifying heat exchange unit；41, the second condensing heat-exchange unit；42, N condensing heat-exchange unit；5, the first check valve；51, second one-way valve；
52, N check valve；6, third condensing heat-exchange unit；7, liquid reservoir；8, device for drying and filtering；9, throttle valve；10, second electronic three
Port valve；101, the second electric multi-way valve；11, the first evaporation and heat-exchange unit；111, the second evaporation and heat-exchange unit；112, N evaporates
Heat exchange unit；12, gas-liquid separator；13, air-valve.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of low dew point depth dehumidification system, including coolant system, the coolant system include compressor
1, oil eliminator 2, the first electric T-shaped valve 3, the second electric T-shaped valve 10, condensing heat-exchange parallel-connection structure, evaporation and heat-exchange and it is coupled
Structure, third condensing heat-exchange unit 6, liquid reservoir 7, device for drying and filtering 8, throttle valve 9, gas-liquid separator 12, the compressor 1, oil
Separator 2, the first electric T-shaped valve 3, condensing heat-exchange parallel-connection structure, third condensing heat-exchange unit 6, liquid reservoir 7, device for drying and filtering
8, throttle valve 9, the second electric T-shaped valve 10, evaporation and heat-exchange parallel-connection structure, gas-liquid separator 12 are sequentially connected in series, and form closure
Coolant loop；The condensing heat-exchange parallel-connection structure includes the first condensing heat-exchange unit 4 and the second condensing heat-exchange being connected in parallel
Unit 41, the evaporation and heat-exchange parallel-connection structure include the first evaporation and heat-exchange unit 11 and the second evaporation and heat-exchange unit being connected in parallel
111；The outlet of (a mouthfuls) of the entrance connection oil eliminators 2 of first electric T-shaped valve 3, (b mouthfuls) of first outlet connections
First condensing heat-exchange unit 4, (c mouthfuls) of second outlet the second condensing heat-exchange units 41 of connection；Second electric T-shaped valve 10
The outlet of (d mouthfuls) of the entrance connection throttle valves 9, (e mouthfuls) of first outlet the first evaporation and heat-exchange units 11 of connection, second outlet (f
Mouthful) the second evaporation and heat-exchange unit 111 of connection.
Specifically, as shown in Fig. 2, when the present embodiment 1 is applied to air-conditioner set in air-conditioning system, mating corresponding control is needed
System and possess twin-channel airhandling equipment with special tectonic to realize；Specifically, the first evaporation and heat-exchange list
Member 11 is correspondingly arranged with the first condensing heat-exchange unit 4, forms the first air duct；The second evaporation and heat-exchange unit 111
It is correspondingly arranged with the second condensing heat-exchange unit 41, forms the second air duct unit.Further, the low dew point depth
Dehumidification system further includes air-valve 13, and the air-valve includes valve A, the valve C set on the first air duct two sides, and is set to the second sky
Valve B, the valve D of gas channel two sides, first air duct are arranged in parallel with the second air duct.When valve A and valve C is opened, valve B
It is closed with valve C, first air duct opening can carry out normal freeze drying work, and the second air duct is closed, can be into
Enter defrosting state；Vice versa.
Specifically, the first condensing heat-exchange unit 4 described in the present embodiment 1 is equipped with the first check valve 5, first condensation
The entrance of heat exchange unit 4 connects first outlet (interface b), the first condensing heat-exchange unit 4 of first electric T-shaped valve 3
Outlet the third condensing heat-exchange unit 6 is connected by first check valve 5；The second condensing heat-exchange unit 41 is equipped with
Second one-way valve 51, the second outlet that the entrance of the second condensing heat-exchange unit 41 connects first electric T-shaped valve 3 (connect
C), the outlet of the second condensing heat-exchange unit 41 connects the third condensing heat-exchange unit by the second one-way valve 51 to mouth
6。
Specifically, compressor 1 described in the present embodiment 1 is efficient scroll formula compressor 1, can carry out multiple pressure machine parallel connection, institute
It states and is equipped with dual-pressure controller and pressure gauge between the exhaust end of compressor 1, air return end.
Specifically, low dew point depth dehumidification system described in the present embodiment 1 further includes control system, and the control system is used
In receiving, analysis processing, sending control information to each component, the first evaporation and heat-exchange unit 11, the second evaporation and heat-exchange list are such as received
The defrosting signal of member 111, and the selection switching of the first electric T-shaped valve 3 of corresponding adjustment, the second electric T-shaped valve 10, air-valve 13.
Working principle:
1. operating status one:
Twin-channel airhandling equipment: valve A, the valve C of air-valve 13 are in the open state, and valve B, valve D are in close state,
The first air duct is opened at this time, and the second air duct is closed.Circulation air passes sequentially through the valve A of air-valve 13, the first evaporation is changed
Hot cell 11, the first condensing heat-exchange unit 4 (included aerofoil fan is closed), the valve C of air-valve 13, third condensing heat-exchange unit 6.
Coolant system: the c mouth of the first electric T-shaped valve 3 is opened, and b mouthfuls of closings, e mouthfuls of valve of the second electric T-shaped valve 10 are opened
It opens, f mouthfuls of closings.Refrigerant (i.e. refrigerant) pass sequentially through compressor 1, oil eliminator 2, a mouth of the first electric T-shaped valve 3, c mouthfuls,
Second condensing heat-exchange unit 41 (included aerofoil fan is closed), second one-way valve 51, third condensing heat-exchange unit 6, liquid reservoir 7,
Device for drying and filtering 8, throttle valve 9, the d mouth of the second electric T-shaped valve 10, e mouthfuls, the first evaporation and heat-exchange unit 11, gas-liquid separator
12, compressor 1.
2. operating status two:
Switching: when airhandling equipment control system receives defrosting signal, the first evaporation and heat-exchange unit 11 is in defrosting mould
Formula, control system can adjust the interface channel of the first electric T-shaped valve 3, the second electric T-shaped valve 10 at this time, switch refrigerant
Flow direction, while switching 13 channel of air-valve, switching circulation air flow direction.
Twin-channel airhandling equipment: valve A, the valve C of air-valve 13 are in close state, and valve B, valve D are in the open state,
The first air duct is closed at this time, and the second air duct is opened.Circulation air passes sequentially through the valve B of air-valve 13, the second evaporation is changed
Hot cell 111, the second condensing heat-exchange unit 41 (included aerofoil fan is closed), the valve D of air-valve 13, third condensing heat-exchange unit 6.
Coolant system: the b mouth of the first electric T-shaped valve 3 is opened, and c mouthfuls of closings, f mouthfuls of valve of the second electric T-shaped valve 10 are opened
It opens, e mouthfuls of closings.Refrigerant (i.e. refrigerant) pass sequentially through compressor 1, oil eliminator 2, a mouth of the first electric T-shaped valve 3, b mouthfuls,
First condensing heat-exchange unit 4 (included aerofoil fan is opened), third condensing heat-exchange unit 6, liquid reservoir 7, is done the first check valve 5
Dry filter 8, throttle valve 9, the d mouth of the second electric T-shaped valve 10, f mouthfuls, the second evaporation and heat-exchange unit 111, gas-liquid separator
12, compressor 1.
Defrost principle: the first condensing heat-exchange unit 4 and its included aerofoil fan are opened, and the first air duct is closed, and are utilized
First condensing heat-exchange unit, 4 condensation heat defrosts to the first evaporation and heat-exchange unit 11, utilizes the second evaporation and heat-exchange unit 111
Carry out normal cool-down dehumidification work.
3. operating status three:
Switching: when airhandling equipment control system is received again by defrosting signal, the second evaporation and heat-exchange unit 111 is in and removes
White mode, the first evaporation and heat-exchange unit 11 are in normal mode of operation；At this time control system can adjust the first electric T-shaped valve 3,
The interface channel of second electric T-shaped valve 10, switches the flow direction of refrigerant, while switching 13 channel of air-valve, switches recycled air stream
To.
Twin-channel airhandling equipment: valve A, the valve C of air-valve 13 are in the open state, and valve B, valve D are in close state,
The first air duct is opened at this time, and the second air duct is closed.Circulation air passes sequentially through the valve A of air-valve 13, the first evaporation is changed
Hot cell 11, the first condensing heat-exchange unit 4 (included aerofoil fan is closed), the valve C of air-valve 13, third condensing heat-exchange unit 6.
Coolant system: the c mouth of the first electric T-shaped valve 3 is opened, and b mouthfuls of closings, e mouthfuls of valve of the second electric T-shaped valve 10 are opened
It opens, f mouthfuls of closings.Refrigerant (i.e. refrigerant) pass sequentially through compressor 1, oil eliminator 2, a mouth of the first electric T-shaped valve 3, c mouthfuls,
Second condensing heat-exchange unit 41 (included aerofoil fan is opened), second one-way valve 51, third condensing heat-exchange unit 6, liquid reservoir 7,
Device for drying and filtering 8, throttle valve 9, the d mouth of the second electric T-shaped valve 10, e mouthfuls, the first evaporation and heat-exchange unit 11, gas-liquid separator
12, compressor 1.
Defrost principle: the included aerofoil fan of the second condensing heat-exchange unit 41 is opened, and the second air duct is closed, and utilizes the
Two condensing heat-exchange units, 41 condensation heat defrosts to the second evaporation and heat-exchange unit 111, using the first evaporation and heat-exchange unit 11 into
The normal cool-down dehumidification work of row.
4. repeating:
After airhandling equipment control system is received again by defrosting signal, above-mentioned operating status two and operation shape can be repeated
State three carries out circulating repetition work.Whole system compressor is persistently putting into operation, there is no idle situation, does not cause to make
The waste of cold resource；The flexible switching of electric T-shaped valve and air-valve is realized by intelligence control system simultaneously, it is easy to operate, it adjusts
It is convenient.
Low dew point depth dehumidification system described in the present embodiment can be used for having the air-treatment of low dew point depth dehumidification requirements to set
In standby or have in the similar devices of said function demand, can be applied to the various industries such as medicine, food, electronics, storage, applies
It is in extensive range.
Embodiment 2
As shown in connection with fig. 3, a kind of low dew point depth dehumidification system, including coolant system, the coolant system include compression
Machine 1, oil eliminator 2, the first electric multi-way valve 31, the second electric multi-way valve 101, condensing heat-exchange parallel-connection structure, evaporation and heat-exchange are simultaneously
It is coupled structure, third condensing heat-exchange unit 6, liquid reservoir 7, device for drying and filtering 8, throttle valve 9, gas-liquid separator 12, the compressor
1, oil eliminator 2, the first electric multi-way valve 31, condensing heat-exchange parallel-connection structure, third condensing heat-exchange unit 6, liquid reservoir 7, drying
Filter 8, throttle valve 9, the second electric multi-way valve 101, evaporation and heat-exchange parallel-connection structure, gas-liquid separator 12 are sequentially connected in series,
Form the coolant loop of closure；The condensing heat-exchange parallel-connection structure includes that the first condensing heat-exchange unit 4, second for being connected in parallel is cold
Solidifying heat exchange unit 41 ..., N condensing heat-exchange unit 42, the evaporation and heat-exchange parallel-connection structure includes that first be connected in parallel is steamed
Send out heat exchange unit 11, the second evaporation and heat-exchange unit 111 ..., N evaporation and heat-exchange unit 112；First electric multi-way valve 31
Entrance connect the exhaust outlet of the oil eliminator 2 after the compressor 1, first outlet connects the first condensing heat-exchange unit 4, the
The two outlet outlet the second condensing heat-exchange unit 41 ... ... N of connection connection N condensing heat-exchange units 42；Described second is electronic more
The entrance of port valve 101 connects the outlet of the throttle valve 9, and first outlet connects the first evaporation and heat-exchange unit 11, and second outlet connects
Connect the outlet the second evaporation and heat-exchange unit 111 ... ... N connection N evaporation and heat-exchange unit 112.
Specifically, it when the present embodiment 2 is applied to air-conditioner set in air-conditioning system, needs mating corresponding control system and has
The airhandling equipment for possessing multichannel of special tectonic is realized；Specifically, the first evaporation and heat-exchange unit 11 with it is described
First condensing heat-exchange unit 4 is correspondingly arranged, and forms the first air duct；The second evaporation and heat-exchange unit 111 and described second
Condensing heat-exchange unit 41 is correspondingly arranged, and forms the second air duct unit；……；The N evaporation and heat-exchange unit 112 with it is described
Second condensing heat-exchange unit 42 is correspondingly arranged, and forms N air duct unit.Further, the low dew point depth dehumidifying system
System further includes air-valve 13, the air-valve 13 control first air duct, second channel ..., N channel beat Push And Release
It closes；When certain group air duct is opened, normal freeze drying work can be carried out, when certain group air duct is closed, can be entered
Defrosting state.
Specifically, the first condensing heat-exchange unit 4 described in the present embodiment 2 is equipped with the first check valve 5, first condensation
The entrance of heat exchange unit 4 connects the first outlet of first electric multi-way valve 31, the outlet of the first condensing heat-exchange unit 4
The third condensing heat-exchange unit 6 is connected by first check valve 5；It is single that the second condensing heat-exchange unit 41 is equipped with second
To valve 51, the entrance of the second condensing heat-exchange unit 41 connects the second outlet of first electric multi-way valve 31, and described
The outlet of two condensing heat-exchange units 41 connects the third condensing heat-exchange unit 6 by the second one-way valve 51；……；It is described
N condensing heat-exchange unit 42 is equipped with N check valve 52, and the entrance connection described first of the N condensing heat-exchange unit 42 is electronic
The N of multiple-way valve 32 is exported, and the outlet of the N condensing heat-exchange unit 42 connects the third by the N check valve 52
Condensing heat-exchange unit 6.
Specifically, compressor 1 described in the present embodiment 2 is efficient scroll formula compressor 1, can carry out multiple pressure machine parallel connection, institute
It states and is equipped with dual-pressure controller and pressure gauge between the exhaust end of compressor 1, air return end.
Specifically, low dew point depth dehumidification system described in the present embodiment 1 further includes control system, and the control system is used
In receiving, analysis processing, sending control information to each component, the first evaporation and heat-exchange unit 11, the second evaporation and heat-exchange list are such as received
The defrosting signal of member 111, and the selection switching of the first electric multi-way valve 31 of corresponding adjustment, the second electric multi-way valve 10, air-valve 13.
The working principle of the present embodiment 2 is identical as the principle of embodiment 1, and application method is similar, is all in certain air duct
When closing, defrosted using the condensation heat of this group of condensing heat-exchange unit to this group of evaporation and heat-exchange unit, utilization is one or more groups of
The condensing heat-exchange unit and evaporation and heat-exchange unit that air duct is opened carry out normal cool-down dehumidification work.
The present invention is not limited to above-mentioned preferred forms, anyone can obtain various other under the inspiration of the present invention
The product of form, such as: automatic regulating valve etc. is replaced with manual modulation valve.However, make any variation in shape or structure,
Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in of the invention
Within protection scope.
Claims (11)
1. a kind of low dew point depth dehumidification system, it is characterised in that: including coolant system, the coolant system include compressor,
First electric multi-way valve, the second electric multi-way valve, condensing heat-exchange parallel-connection structure, evaporation and heat-exchange parallel-connection structure, throttle valve, the pressure
Contracting machine, the first electric multi-way valve, condensing heat-exchange parallel-connection structure, throttle valve, the second electric multi-way valve, evaporation and heat-exchange parallel-connection structure according to
Secondary series connection forms the coolant loop of closure；The condensing heat-exchange parallel-connection structure includes that several condensations being connected in parallel are changed
Hot cell, the evaporation and heat-exchange parallel-connection structure include the evaporation and heat-exchange unit that several are connected in parallel, the first electronic multi-pass
The entrance of valve connects the exhaust outlet of the compressor, several outlets of first electric multi-way valve are changed with the condensation respectively
Several condensing heat-exchange units of hot parallel-connection structure connect, and the entrance of second electric multi-way valve connects going out for the throttle valve
Mouthful, several outlets of second electric multi-way valve respectively with several evaporation and heat-exchange lists of the evaporation and heat-exchange parallel-connection structure
Member connection.
2. a kind of low dew point depth dehumidification system according to claim 1, it is characterised in that: the condensing heat-exchange is simultaneously coupled
The evaporation and heat-exchange unit of condensing heat-exchange unit and the evaporation and heat-exchange parallel-connection structure in structure corresponds, and forms several groups air
Channel.
3. a kind of low dew point depth dehumidification system according to claim 1, it is characterised in that: further include third condensing heat-exchange
Unit, the third condensing heat-exchange unit are set between the condensing heat-exchange parallel-connection structure, throttle valve, are series at the refrigerant and are returned
Lu Zhong；The third condensing heat-exchange unit is flexibly arranged in pairs or groups according to actual needs, or matches condensation thermal modules again, or match temperature controllable
Thermal modules again are condensed, or match air cooling module, or match water cooling module, or selection does not configure third condensing heat-exchange unit.
4. a kind of low dew point depth dehumidification system according to claim 3, it is characterised in that: the condensing heat-exchange is simultaneously coupled
Structure includes the first condensing heat-exchange unit being connected in parallel, the second condensing heat-exchange unit, and the evaporation and heat-exchange parallel-connection structure includes simultaneously
Joining the first evaporation and heat-exchange unit, the second evaporation and heat-exchange unit of connection, first electric multi-way valve is the first electric T-shaped valve,
Second electric multi-way valve is the second electric T-shaped valve.
5. a kind of low dew point depth dehumidification system according to claim 4, it is characterised in that: it further include air-valve, described
One evaporation and heat-exchange unit, the first condensing heat-exchange unit form the first air duct, the second evaporation and heat-exchange unit, the second condensation
Heat exchange unit forms the second air duct, and the air-valve controls the switching between the first air duct and the second air duct.
6. a kind of low dew point depth dehumidification system according to claim 5, it is characterised in that: the first condensing heat-exchange list
Member is equipped with the first check valve, and the entrance of the first condensing heat-exchange unit connects the first outlet of first electric T-shaped valve,
The outlet of the first condensing heat-exchange unit connects the third condensing heat-exchange unit by first check valve；Described second
Condensing heat-exchange unit is equipped with second one-way valve, and the entrance of the second condensing heat-exchange unit connects first electric T-shaped valve
The outlet of second outlet, the second condensing heat-exchange unit connects the third condensing heat-exchange list by the second one-way valve
Member.
7. a kind of low dew point depth dehumidification system according to claim 1, it is characterised in that: the compressor is efficient whirlpool
Rotary compressor selects single machine use or multiple pressure machine used in parallel, exhaust end, the air return end of the compressor according to actual needs
Between be equipped with dual-pressure controller and pressure gauge.
8. a kind of low dew point depth dehumidification system according to claim 1, it is characterised in that: it further include oil eliminator, institute
It states oil eliminator to be set between the compressor and first electric multi-way valve, the air inlet of the oil eliminator and the pressure
The exhaust outlet of contracting machine connects, and gas outlet is connect with the entrance of first electric multi-way valve, oil outlet and the compressor
Oil inlet connection.
9. a kind of low dew point depth dehumidification system according to claim 4, it is characterised in that: it further include device for drying and filtering,
The device for drying and filtering is set to the contaminant filter between third condensing heat-exchange unit and the throttle valve, for the coolant system
And drying.
10. a kind of low dew point depth dehumidification system according to claim 9, it is characterised in that: it further include liquid reservoir, it is described
Liquid reservoir is set between the third condensing heat-exchange unit and the device for drying and filtering, for temporarily storing in the coolant system
Excessive coolant media.
11. a kind of low dew point depth dehumidification system according to claim 1, it is characterised in that: the low dew point depth is removed
Wet system further includes gas-liquid separator, the gas-liquid separator be set to the evaporation and heat-exchange parallel-connection structure and the compressor it
Between, the refrigerant for being prepared to enter into the compressor return air end is subjected to gas-liquid separation.
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| CN109442606A (en) * | 2018-12-10 | 2019-03-08 | 广州同方瑞风节能科技股份有限公司 | A kind of low dew point depth dehumidification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109442606A (en) * | 2018-12-10 | 2019-03-08 | 广州同方瑞风节能科技股份有限公司 | A kind of low dew point depth dehumidification system |
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