CN206037671U - Degree of depth dehumidification unit that combines cooling tower and heat pump system - Google Patents
Degree of depth dehumidification unit that combines cooling tower and heat pump system Download PDFInfo
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- CN206037671U CN206037671U CN201620998660.8U CN201620998660U CN206037671U CN 206037671 U CN206037671 U CN 206037671U CN 201620998660 U CN201620998660 U CN 201620998660U CN 206037671 U CN206037671 U CN 206037671U
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Abstract
The utility model relates to a degree of depth dehumidification unit that combines cooling tower and heat pump system, including one -level dehumidification unit, second grade dehumidification unit, regenerating unit, heat pump system and temperature element, one -level dehumidification unit contains one -level dehumidifier, one -level desiccant solution pump, first three -way valve, cooling tower, plate heat exchanger and cooling tower circulating pump, second grade dehumidification unit contains second grade dehumidifier, second grade desiccant solution pump, second three -way valve and third three -way valve, regenerating unit contains regenerator, regenerative solution pump, third three -way valve, plate heat exchanger and moisturizing device, be equipped with solution - solution plate heat exchanger that the solution that makes exchange between dehumidification and regenerating unit carries out heat exchange between one -level dehumidifier, second grade dehumidifier and the regenerator, heat pump system includes compressor, condenser, choke valve and evaporimeter, and wherein the condenser provides the heat source for the regenerator, and the dehumidifier is connected to the evaporimeter provides the cold source for the dehumidifier. The problem of in dry material, production wind field degree of depth dehumidification for the technics environment is solved.
Description
Technical field
This utility model belongs to dry materials, production technology environment wind technical field, more particularly to a kind of with reference to cold
But tower and heat pump depth dehumidifying unit.
Background technology
Some production industries, or the air humidity that technical process (such as drying technology) needs is very low, removes using conventional solution
Wet system is extremely difficult to such air-supply and requires.Presently relevant field of industrial production, typically adopts rotary wheel dehumidifying or cold-producing medium
The mode of direct-expansion-type dehumidification by condensation, provides dry air for these production technologies.Although rotary wheel dehumidifying can be by air
Water capacity process to all very uneven less than the wet difference and the temperature difference between 3g/Kg, but wheel surface and air, cause it is very big can not
Inverse loss.Regeneration temperature height (100 140 DEG C) of rotary wheel dehumidifying, more using electricity or steam as drive energy, energy utilization rate
Less than 0.7, operating cost is high.With the continuous rotation of runner in rotary wheel dehumidifying, inevitably there is regeneration air and dehumidifying
The blending of air, affects air-supply quality.For the production environment containing poisonous, explosion hazard gases in some air drafts, rotary wheel dehumidifying
Using being restricted.Cold-producing medium direct-expansion-type dehumidification by condensation mode, the evaporating temperature of its refrigeration system evaporator are relatively low, refrigeration
Circulation efficiency is smaller, and energy consumption is larger.Meanwhile, by the way of dehumidification by condensation, its dehumidifying effect has certain limitations, minimum air-supply
Water capacity typically 5g/Kg (dry air) left and right, and depth dehumidifying field many times it is desired air-supply water capacity can as little as 3g/
Kg (dry air), therefore direct-expansion-type dehumidification by condensation mode cannot be adopted in many occasions.With the mode of dehumidification by condensation, evaporate
Easily produce condensate inside device, increase the danger in air channel, coil surface antibacterial and microbial growth, the health of air-supply and
Spatter property is difficult to meet and requires.Industry (such as edible Gelatinum oxhide production industry) is dried particularly with foodstuff, using this drying side
Formula can be to affecting product quality.Solution dehumidification technology can be good at overcoming the shortcoming of above two dehumidification mode, make air-supply full
Condition needed for foot.
Solution humidifying technology is to adopt the saline solution (such as lithium chloride solution) with humidity conditioning function for working media, using molten
The moisture absorption of liquid and moisture releasing characteristic being controlled to aerial temperature and humidity, in the surface steam partial pressure of saline solution and air
Water vapor partial pressure differential is that the two carries out the driving force of moisture transmission.In dehumidification process, in order to increase the driving force of Mass and heat transfer,
Need to make solution lower the temperature.Weak solution after dehumidifying is sent to regenerator regeneration, in the same manner, needs to make solution heat up in regenerative process.
For heat pump, cold end be used for realizing solution dehumidification unit except the cooling of wet side solution, while hot junction is used for realizing machine
The intensification of group regeneration side solution.The related research of existing heat pump driven solution humidifying unit in recent years and product.Heat pump techniques
It is an important part for field of energy-saving technology, is combined with solution dehumidification technology with which, have effectively achieved the section of dehumidification equipment
Energy, Effec-tive Function.The one kind of heat pump driven solution humidifying air-conditioning as independent temperature-humidity control system, realizes interior without wet
Surface is blown, and dehumidification solution plays the role of the dedusting that sterilizes to air, can significantly improve the air quality of air-supply.Solution humidifying
The moisture removal of unit can be realized adjusting by adjusting the concentration and temperature of dehumidification solution, can be less than air-treatment to water capacity
3g/Kg (dry air).
The content of the invention
This utility model provides a kind of with reference to cooling tower and heat pump system for solving technical problem present in known technology
The depth dehumidifying unit of system, to solve in dry materials, production technology environment wind field depth dehumidifying problem.
This utility model is adopted the technical scheme that by solving technical problem present in known technology：
A kind of depth dehumidifying unit of combination cooling tower and heat pump, including one-level Dehumidifying element, two grades of Dehumidifying elements,
Regeneration unit, heat pump and temperature element；
The one-level Dehumidifying element includes one-level dehumidifier, one-level dehumidification solution pump, the first three-way valve, cooling tower, board-like
Heat exchanger and cooling tower circulating pump；The one-level dehumidifier bottom is connected with one-level dehumidification solution pump, one-level dehumidification solution pump
The port of export connects the first three-way valve, and a port of export connecting plate type heat exchanger of the first three-way valve makes solution through plate type heat exchanger
After the cold water heat exchange provided with cooling tower, cooling is realized, the solution after cooling is sprayed at the top of one-level dehumidifier, right
Fresh air is dehumidified, and the weak solution after dehumidifying is returned in solution tank, completes the circulation of one-level Dehumidifying element；First three-way valve it is another
One end is connected to solution-solution plate type heat exchanger；
Two grades of Dehumidifying elements include two grades of dehumidifiers, two grades of dehumidification solution pumps, the second three-way valve and the 3rd three-way valve；
Two grades of dehumidifier bottoms are connected with two grades of dehumidification solution pumps, and the port of export of two grades of dehumidification solution pumps connects the second three-way valve,
One port of export of the second three-way valve is connected to vaporizer, makes solution realize cooling after vaporizer, and the weak solution after cooling is entered
Enter two grades of dehumidifier top sprays, locate the wind that reason one-level dehumidifier is sent, the solution after dehumidifying is returned in solution tank, completes two
The circulation of level Dehumidifying element；
The other end connection Solutions Solution plate type heat exchanger of the second three-way valve, and from the first three-way valve of one-level dehumidifier
The part solution mixing of one port of export, after mixed solution liquid is exchanged heat with the concentrated solution for regenerating side, realizes heating up, is then sent
To the solution tank of regenerator bottoms；The regenerator bottoms are connected with actified solution pump, the port of export connection of actified solution pump
4th three-way valve, the port of export connection condenser of the 4th three-way valve, connecting plate type heat exchanger after condensed device；4th three-way valve
The other end be connected to solution-solution heat exchanger, exchanged heat with the mixed solution from one-level dehumidifier and two grades of dehumidifiers,
Cooling is realized, is then assigned in one-level dehumidifier solution tank and two grades of dehumidifier solution tanks through the 3rd three-way valve；
The regeneration unit includes regenerator, actified solution pump, the 3rd three-way valve, plate type heat exchanger and water replanishing device；Institute
State one-level dehumidifier, two grades be provided between dehumidifier and regenerator and make the solution exchanged between dehumidifying and regeneration unit carry out heat friendship
The Solutions Solution plate type heat exchanger for changing；
The heat pump includes compressor, condenser, choke valve and vaporizer, and wherein condenser is provided for regenerator
Thermal source, vaporizer connection dehumidifier provide low-temperature receiver for dehumidifier.
This utility model can also adopt following technical measures：
It is described also to include supplemental heat source, the supplemental heat source connecting plate type heat exchanger.
The regenerator bottoms are connected to a water compensating valve.
This utility model has the advantages and positive effects that：With reference to the depth dehumidifying unit of cooling tower and heat pump,
Two stages for the treatment of is carried out to fresh air using efficient cooling tower systems and efficient heat pump, sending for depth dehumidifying is realized
Wind is required.If the process air quantity of increase one-level dehumidifier, two grades of dehumidifier air quantity of holding are constant, then system can supply two kinds simultaneously
The air-supply of different conditions.Adopt cooling tower and low-temperature receiver is provided for one-level dehumidifier, can effectively reduce system energy consumption, use heat pump than single
Make the depth dehumidifying unit energy-conservation 50% or so of low-temperature receiver.To process 10000m3It is as a example by the fresh air of/h, (molten through one-level dehumidifier
38%) liquid concentration process 38 DEG C, 8/Kg, then processes 22 DEG C through two grades of dehumidifiers (solution concentration 38%), 4/Kg, two
The consumption cold of process is respectively 116KW, 115KW (the most unfavorable processing condition calculating), and substantially accounting is identical.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：100th, one-level Dehumidifying element；200th, two grades of Dehumidifying elements；300th, regeneration unit；400th, heat pump；A, again
Raw device B, two grades of dehumidifiers；C, one-level dehumidifier；D, cooling tower；E, other thermals source；1st, two grades of dehumidification solution pumps；1 ＇, regeneration are molten
Liquid pump；1st, one-level dehumidification solution pump；2nd, the first three-way valve；2nd, the second three-way valve；2 ＇, the 4th three-way valve；3rd, Solutions Solution
Plate type heat exchanger；4th, compressor 5, condenser；6th, choke valve；7th, vaporizer；8th, plate type heat exchanger；9th, the 3rd three-way valve；10、
Plate type heat exchanger；11st, cooling water circulating pump；12nd, water compensating valve.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and is coordinated
Accompanying drawing describes in detail as follows：
Refer to the depth dehumidifying unit of Fig. 1, a kind of combination cooling tower and heat pump, it is characterised in that：Including one-level
Dehumidifying element 100, two grades of Dehumidifying elements 200, regeneration unit 300, heat pump 400 and temperature elements；
The one-level Dehumidifying element 100 includes one-level dehumidifier C, 1 ＂ of one-level dehumidification solution pump, 2 ＂ of the first three-way valve, cooling
Tower D, plate type heat exchanger 10 and cooling tower circulating pump 11；The one-level dehumidifier C bottoms are connected with 1 ＂ of one-level dehumidification solution pump, and one
Port of export connection 2 ＂ of the first three-way valve of level dehumidification solution pump, a port of export connecting plate type heat exchanger 10 of 2 ＂ of the first three-way valve,
Make solution after the cold water heat exchange that plate type heat exchanger 10 is provided with cooling tower, realize cooling, the solution after cooling enters one-level
Sprayed at the top of dehumidifier C, fresh air is dehumidified, the weak solution after dehumidifying is returned in solution tank, completed one-level dehumidifying
The circulation of unit；The other end of 2 ＂ of the first three-way valve is connected to solution-solution plate type heat exchanger 3；The one-level dehumidifier is utilized
The weak solution of plate type heat exchanger 10 being flowed through after dehumidifying, spray process being carried out to fresh air, the new air temperature after process is raised, water capacity
Certain value (air humidity content after the solution of variable concentrations is processed is different) is reduced to, the weak solution concentration after dehumidifying has dropped
Low, temperature is raised.
Two grades of Dehumidifying elements 200 include two grades of dehumidifier B, two grades of dehumidification solution pumps 1, second three-way valve 2 and the 3rd
Three-way valve 9；Two grades of dehumidifier bottoms are connected with two grades of dehumidification solution pumps 1, the port of export connection of two grades of dehumidification solution pumps 1 the
Two three-way valve 2, a port of export of the second three-way valve 2 are connected to vaporizer 7, make solution realize cooling, cooling after vaporizer 7
Weak solution afterwards enters two grades of dehumidifier B top sprays, locates the wind that reason one-level dehumidifier is sent, and the solution after dehumidifying returns to molten
In liquid bath, the circulation of two grades of Dehumidifying elements is completed；
The other end connection Solutions Solution plate type heat exchanger 3 of the second three-way valve 2, and from the first threeway of one-level dehumidifier
The part solution mixing of 2 ＂ of valve, mono- ports of export, after mixed solution liquid is exchanged heat with the concentrated solution for regenerating side, realizes heating up, then
It is sent in the solution tank of regenerator A bottoms；The regenerator bottoms are connected with 1 ＇ of actified solution pump, and 1 ＇'s of actified solution pump goes out
One port of export connection condenser 5 of mouth end connection 2 ＇ of the 4th three-way valve, 2 ＇ of the 4th three-way valve, connecting plate type heat exchange after condensed device
Device 8；Solution after intensification can not meet spray temperature requirement, continue to heat up through plate type heat exchanger 8, into the top of regenerator
Being sprayed, caloic exchange being carried out with regeneration air, realized the raising of concentration, the solution after regeneration is returned in regenerator solution tank
Complete the circulation of regeneration unit；The other end of 2 ＇ of the 4th three-way valve is connected to solution-solution heat exchanger 3, and dehumidifies from one-level
The mixed solution of device and two grades of dehumidifiers is exchanged heat, and is realized cooling, is then assigned to one-level dehumidifier through the 3rd three-way valve 9
In solution tank and two grades of dehumidifier solution tanks；
The regeneration unit 300 is comprising regenerator A, 1 ＇ of actified solution pump, 2 ＇ of the 3rd three-way valve, plate type heat exchanger 8 and mends
Water installations 12；The one-level dehumidifier, two grades be provided with make to exchange between dehumidifying and regeneration unit molten between dehumidifier and regenerator
Liquid carries out the Solutions Solution plate type heat exchanger 3 of heat exchange；
The heat pump includes compressor 4, condenser 5, choke valve 6 and vaporizer 7, and wherein condenser is regenerator
Thermal source is provided, vaporizer connection dehumidifier provides low-temperature receiver for dehumidifier.
Described other thermals source are system supplymentary thermal source, and form is unrestricted, can be any thermal source.
The winter operation principle of unit is similar to summer, need to only switch the four-way change-over valve in heat pump, make cold-producing medium
With summer conversely, vaporizer 7 is heated to the solution in one-level dehumidifier as condenser 5, dehumidifier enters flow direction to fresh air
Row warming and humidifying meets air-supply and requires.Condenser 5 is lowered the temperature to solution as vaporizer 7, and regenerator is carried out to regeneration air
Dehumidification cooling.Winter cooling tower and other thermals source are not turned on operation.
, when spring and autumn runs, because in spring and autumn outdoor air, water capacity is relatively low, one-level Dehumidifying element is basic for unit
Without dehumidifying effect, heat pump cooling/heating ability can meet system requirements, therefore in spring and autumn, cooling tower and other
Thermal source is not turned on operation.
This is provided with temperature measuring equipment in depth dehumidifying unit with reference to cooling tower and heat pump, main related by determining
Temperature parameter controls the overall operation situation of unit.
Air humidity content process is arrived 8g/Kg (dry air) using efficient cooling tower by the one-level dehumidifier unit
Left and right, the air after process are entered in heat pump driven two grades of dehumidifiers, are processed to the blasting humidity of requirement.Removed due to two grades
Wet device be responsible for will air-supply by 8g/Kg (dry air) process to being less than 3g/Kg (dry air), this just make the duty ratio of heat pump compared with
It is constant, ensure that heat pump is stable, improve unit operation efficiency.
With reference to cooling tower and heat pump depth dehumidifying unit can send simultaneously different parameters wind be also this practicality newly
One of innovative point of type.It can increase one-level dehumidifier process air quantity and keep two grades of dehumidifiers process air quantity while
Meet different air-supply humiture parameter requirements.The air-supply that primary demand can be met through the fresh air of one-level dehumidifier process is wet
Degree；The fresh air of a part of Jing one-levels dehumidifier process is processed through two grades of dehumidifiers again, then can meet the air-supply of depth dehumidifying
Demand.
The solution that the three-way valve of two grades of dehumidifier solution tank inlets can distribute after the heat exchange of Solutions Solution heat exchanger,
Ensure that solution maintains metastable concentration in two dehumidifiers.
Supplemental heat source of other thermals source for system, it is molten that the cold that heat pump vaporizer is provided can only meet two grades of dehumidifiers
Liquid is lowered the temperature, and one-level dehumidifier and two grades of dehumidifiers share a regenerator, therefore the heating capacity of heat pump can not meet regeneration
The demand of device, not enough heat are supplemented by supplemental heat source, and the form of supplemental heat source is varied, can meet demand, without spy
It is different to require.
The regenerator bottoms are connected to a water compensating valve, for controlling the solution concentration of regeneration side, it is ensured that a whole set of dehumidification system
Normal operation.
The purpose of this utility model is to provide the depth dehumidifying unit with reference to cooling tower and heat pump, and the unit is not only
Disclosure satisfy that the demand of depth dehumidifying, moreover it is possible to while providing the air-supply of two kinds of different parameters.And one-level dehumidifier adopts cooling tower
The cooling water of offer reduces the energy consumption of system as low-temperature receiver, and operating cost is reduced, and is that the energy-conservation for being adapted to market development demand is produced
Product.
The above is only, to preferred embodiment of the present utility model, not to make any formal to this utility model
Restriction, it is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations with
Modification, belongs in the range of technical solutions of the utility model.
Claims (3)
1. a kind of combination cooling tower and heat pump depth dehumidifying unit, it is characterised in that：Including one-level Dehumidifying element
(100), two grades of Dehumidifying elements (200), regeneration unit (300), heat pumps (400) and temperature elements；
Described one-level Dehumidifying element (100) comprising one-level dehumidifier (C), one-level dehumidification solution pump (1 ＂), the first three-way valve (2 ＂),
Cooling tower (D), plate type heat exchanger (10) and cooling tower circulating pump (11)；One-level dehumidifier (C) bottom is connected with one-level and removes
Wet solution pump (1 ＂), the port of export of one-level dehumidification solution pump connect the first three-way valve (2 ＂), an outlet of the first three-way valve (2 ＂)
End connecting plate type heat exchanger (10), makes solution after the cold water heat exchange that plate type heat exchanger (10) is provided with cooling tower, realizes drop
Temperature, the solution after cooling are entered and are sprayed at the top of one-level dehumidifier (C), and fresh air is dehumidified, the weak solution after dehumidifying
Return in solution tank, complete the circulation of one-level Dehumidifying element；It is board-like that the other end of the first three-way valve (2 ＂) is connected to solution-solution
Heat exchanger（3）；
Two grades of Dehumidifying elements (200) comprising two grades of dehumidifiers (B), two grades of dehumidification solution pumps (1), the second three-way valve (2) and
3rd three-way valve (9)；Two grades of dehumidifier bottoms are connected with two grades of dehumidification solution pumps (1), and two grades dehumidification solution pump (1) go out
Mouth end connects the second three-way valve (2), and a port of export of the second three-way valve (2) is connected to vaporizer (7), makes solution through vaporizer
(7) cooling is realized afterwards, and the weak solution after cooling enters two grades of dehumidifier (B) top sprays, locates what reason one-level dehumidifier was sent
Wind, the solution after dehumidifying are returned in solution tank, constitute the closed circuit of two grades of Dehumidifying elements；
The other end connection Solutions Solution plate type heat exchanger of the second three-way valve (2)（3）, and from the first threeway of one-level dehumidifier
The part solution mixing of valve (2 ＂) port of export, after mixed solution liquid is exchanged heat with the concentrated solution for regenerating side, realizes heating up, and
It is sent in the solution tank of regenerator (A) bottom afterwards；The regenerator bottoms are connected with actified solution pump (1 ＇), actified solution pump
The port of export of (1 ＇) connects the 4th three-way valve (2 ＇), port of export connection condenser (5) of the 4th three-way valve (2 ＇), condensed device
Connecting plate type heat exchanger (8) afterwards；The other end of the 4th three-way valve (2 ＇) is connected to solution-solution heat exchanger (3), and from one-level
The mixed solution of dehumidifier and two grades of dehumidifiers is exchanged heat, and is realized cooling, is then assigned to one-level through the 3rd three-way valve (9)
In dehumidifier solution tank and two grades of dehumidifier solution tanks；
Described regeneration unit (300) include regenerator (A), actified solution pump (1 ＇), the 3rd three-way valve (2 ＇), plate type heat exchanger
And water replanishing device (12) (8)；The one-level dehumidifier, two grades be provided between dehumidifier and regenerator and make between dehumidifying and regeneration unit
The solution of exchange carries out the Solutions Solution plate type heat exchanger (3) of heat exchange；
The heat pump includes compressor (4), condenser (5), choke valve (6) and vaporizer (7), and wherein condenser is for again
Raw device provides thermal source, and vaporizer connection dehumidifier provides low-temperature receiver for dehumidifier.
2. combination cooling tower according to claim 1 and heat pump depth dehumidifying unit, it is characterised in that：Also wrap
Include supplemental heat source (E), the supplemental heat source connecting plate type heat exchanger.
3. combination cooling tower according to claim 1 and heat pump depth dehumidifying unit, it is characterised in that：It is described again
Raw device bottom is connected to a water compensating valve (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998660.8U CN206037671U (en) | 2016-08-30 | 2016-08-30 | Degree of depth dehumidification unit that combines cooling tower and heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620998660.8U CN206037671U (en) | 2016-08-30 | 2016-08-30 | Degree of depth dehumidification unit that combines cooling tower and heat pump system |
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| CN206037671U true CN206037671U (en) | 2017-03-22 |
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| CN201620998660.8U Withdrawn - After Issue CN206037671U (en) | 2016-08-30 | 2016-08-30 | Degree of depth dehumidification unit that combines cooling tower and heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196990A (en) * | 2016-08-30 | 2016-12-07 | 天津市万丰化工设备有限公司 | Degree of depth dehumidifying unit in conjunction with cooling tower and heat pump |
| CN108954577A (en) * | 2018-08-01 | 2018-12-07 | 南昌大学 | Based on the solar building integrated grain depot ventilation dehumidifying equipment with solution dehumidification |
-
2016
- 2016-08-30 CN CN201620998660.8U patent/CN206037671U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196990A (en) * | 2016-08-30 | 2016-12-07 | 天津市万丰化工设备有限公司 | Degree of depth dehumidifying unit in conjunction with cooling tower and heat pump |
| CN106196990B (en) * | 2016-08-30 | 2018-10-23 | 天津市万丰化工设备有限公司 | In conjunction with the depth of cooling tower and heat pump system dehumidifying unit |
| CN108954577A (en) * | 2018-08-01 | 2018-12-07 | 南昌大学 | Based on the solar building integrated grain depot ventilation dehumidifying equipment with solution dehumidification |
| CN108954577B (en) * | 2018-08-01 | 2020-07-14 | 南昌大学 | Grain depot ventilation dehumidification equipment based on solar building integration and solution dehumidification |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20181023 |