CN202902508U - Anti-freezing solution regeneration device for air conditioner system - Google Patents

Anti-freezing solution regeneration device for air conditioner system Download PDF

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Publication number
CN202902508U
CN202902508U CN 201220396872 CN201220396872U CN202902508U CN 202902508 U CN202902508 U CN 202902508U CN 201220396872 CN201220396872 CN 201220396872 CN 201220396872 U CN201220396872 U CN 201220396872U CN 202902508 U CN202902508 U CN 202902508U
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CN
China
Prior art keywords
high temperature
heat source
freezing solution
temperature heat
low temperature
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Expired - Lifetime
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CN 201220396872
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Chinese (zh)
Inventor
李先庭
李志明
石文星
王宝龙
张勇
李筱
李宁
何卫国
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HUADE INDUSTRY Co Ltd GUANGZHOU CITY
Tsinghua University
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HUADE INDUSTRY Co Ltd GUANGZHOU CITY
Tsinghua University
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Abstract

The utility model discloses an anti-freezing solution regeneration device for an air conditioner system. The anti-freezing solution regeneration device for the air conditioner system comprises a high temperature heat source zone, an anti-freezing liquid-collecting tray, a low temperature cold source zone, a condensate water liquid-collecting tray, a spray thrower, a gas cycling draught fan and a gas cycling air flue. The gas cycling draught fan is placed in the gas cycling air flue communicated with the high temperature heat source zone and the low temperature cold source zone to drive cycling gas to flow circularly from the high temperature heat source zone through the low temperature cold source zone and continually return back to the high temperature heat source zone along the gas cycling air flue, wherein the cycling gas absorbs moisture in the high temperature heat source zone and separates out condensate water in the low temperature cold source zone. When being operated in a heating mode in winter, the anti-freezing solution regeneration device for the air conditioner system has the advantages of anti-freezing solution regeneration, heat recovery, frostless operation of a heat pump and the like. The anti-freezing solution regeneration device for the air conditioner system prevents the anti-freezing solutions from being frozen and provides technical supports for high efficient and continue and stable heating of a heat pump air conditioner system through an evaporative condenser or a cooling tower.

Description

A kind of anti-freezing solution regenerating unit for air-conditioning system
Technical field
The utility model relates to a kind of air conditioner technical field, particularly for the regenerating unit of the anti-freezing solution of air-conditioning system.
Background technology
Adopt evaporative condenser or cooling tower (water-cooled energy tower) heat-obtaining and provide heat energy for the heat pump type air conditioning system in winter in the outdoor air, to realize important channel efficient, stable heating, compare with air source heat pump, its heat exchange efficiency is high, save heat exchanger materials, can realize continuous heat supply, have significant energy-saving and emission-reduction prospect.But, when the refrigerating medium in evaporative condenser or the cooling tower (cooling water) temperature is lower than 0 ℃, refrigerating medium will glaciation, may there be the danger that is inflated rhegma in the parts of evaporative condenser or cooling tower and connection thereof, at this moment select the anti-freezing solution of suitable concn can guarantee that each parts works at low temperatures.In addition, when heat pump working condition, evaporative condenser or cooling tower are behind the air heat-obtaining, and the temperature of air reduces, and can make airborne moisture content condensation, this partial condensation water enters in the anti-freezing solution, to cause again the anti-freezing solution dilution, along with anti-freezing solution concentration reduces, the freezing point of anti-freezing solution can improve, such as the concentration (or claiming regeneration of waste liquor) of untimely raising anti-freezing solution, the parts such as the solution pool of evaporative condenser or cooling tower, water pump still have expansion rhegma risk.
For addressing this problem, how the solution that is diluted is added the antifreezing agents of high concentration at present, the anti-freezing solution that is diluted that overflows is left in the indoor or underground solution holding vessel, after outdoor temperature raises, weak solution is pumped in evaporative condenser or the cooling tower again, utilize airborne energy to realize regeneration of waste liquor, the method must need the very antifreezing agent of high concentration, jumbo concentrated solution and weak solution holding vessel, cause the antifreezing agent use amount large, the solution storage area is huge, the high operating cost with increasing antifreezing agent of initial cost has greatly limited evaporative condenser or cooling tower as the applicable region of heat pump heat-obtaining device at low temp area.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of anti-freezing solution regenerating unit of air-conditioning system is provided, when being used in the winter time heating operation, the stable anti-freezing solution concentration that improves, simultaneously winter, frosting and can continuity work can not appear in heat-obtaining from environment, realized whole year operation.
For realizing above-mentioned utility model purpose, the technical solution of the utility model is:
A kind of anti-freezing solution regenerating unit for air-conditioning system comprises high temperature heat source district, anti-freezing solution catch tray, low temperature cold source region, condensed water catch tray, spray thrower, gas circulation blower fan and gas circulation air path; Wherein, described high temperature heat source district is provided with high temperature heat source, the import of described spray thrower is connected in the low concentration anti-freezing solution passage that communicates with the air-conditioning system condensing plant, the low concentration anti-freezing solution that flows out in the described spray thrower evaporation and concentration behind the high temperature heat source district of flowing through, process and described recyclegas generation effect of mass transmitting, the moisture content of low concentration anti-freezing solution is passed to recyclegas, anti-freezing solution after concentrating simultaneously enters the anti-freezing solution catch tray, and the solution in the described anti-freezing solution catch tray enters the highly concentrated solution passage that communicates with the air-conditioning system condensing plant; Described low temperature cold source region is provided with low temperature cold source, and described condensed water catch tray is arranged at below, low temperature cold source region, and is provided with condensation-water drain; Described gas circulation blower fan is arranged in the gas circulation air channel that is communicated with high temperature heat source district and low temperature cold source region, flow through the low temperature cold source region to drive recyclegas from the high temperature heat source district, at high temperature heat source district absorption moisture content and after condensed water is separated out in the Low Temperature Thermal source region, recyclegas continues to be back to the high temperature heat source district along described gas circulation air channel and circulates.
Wherein, further, the relative position arrangement in described gas circulation blower fan, high temperature heat source district and low temperature cold source region is: high temperature heat source district-gas circulation blower fan-low temperature cold source region, gas circulation blower fan-high temperature heat source district-low temperature cold source region or high temperature heat source district-low temperature cold source region-gas circulation blower fan.
Further, the calorific value exchanged form of recyclegas and low concentration anti-freezing solution is following current, adverse current, mixed flow or cross-flow in the described high temperature heat source district.
Further, described high temperature heat source is arranged between described spray thrower and the anti-freezing solution catch tray; Perhaps described high temperature heat source is arranged at the recyclegas import department in described high temperature heat source district and the outside of described spray thrower, so that recyclegas carries out heat exchange by the below of described spray thrower after heating; Perhaps described high temperature heat source is arranged at before the import of described spray thrower, so that the low concentration anti-freezing solution enters described spray thrower through heating first again and recyclegas carries out heat exchange.
Further, the carrier of described high temperature heat source is cold-producing medium, water, gas or oil, or different forms is the thermal source that electrothermal, steam-type, combustion type, fuel oil type, oily hot type or fume afterheat mode produce; The carrier of described low temperature cold source is cold-producing medium, water, gas or oil.
As preferred version, be provided with the Sprayer Circulation pump between described spray thrower and the described anti-freezing solution catch tray, described anti-freezing solution catch tray also is connected with low concentration anti-freezing solution passage in the air-conditioning system.
As preferred version, described highly concentrated solution passage is provided with solution pump.
As preferred version, described spray thrower below is provided with the heat exchange filler.
Further, the external condensing plant of described regenerating unit is evaporative condenser, the cooling tower that perhaps is connected and water cooled condenser.
The above recyclegas adopts air, nitrogen or inert gas.
Adopt the advantage of such scheme:
1, realized regeneration of waste liquor, avoided anti-freezing solution frozen: low concentration anti-freezing solution and high temperature heat source and recyclegas carry out heat exchange, moisture content in the low concentration anti-freezing solution is recycled gas and takes away, and the concentration of low concentration anti-freezing solution is raise, and continues to satisfy the antifreeze demand of system's operation.
2, realized the recycling of the energy: hot and humid recyclegas and the low-temperature low-pressure refrigerant of low temperature cold source carry out heat exchange, and separate out condensed water, have reclaimed the condensation heat in the regenerative process, have improved the energy utilization rate of system.
3, realized the frostless operation of heat pump: the low concentration anti-freezing solution in evaporative condenser or the cooling tower is through the anti-freezing solution regenerating unit, improved solution concentration, evaporative condenser or cooling tower and parts generation frosting thereof or icing phenomenon in the time of can avoiding heat pump working condition make heat pump working condition realize that need not defrosting moves continuously.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model embodiment three.
Fig. 4 is the structural representation of the utility model embodiment four.
Fig. 5 is the structural representation that this regenerating unit is connected with evaporative condenser.
Fig. 6 is this regenerating unit is connected and increases solution pump with evaporative condenser structural representation.
Fig. 7 structural representation that to be this regenerating unit be connected with water cooled condenser with cooling tower.
Fig. 8 is the structural representation that the utility model adopts the electrothermal thermal source.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
A kind of anti-freezing solution regenerating unit for air-conditioning system comprises high temperature heat source district, anti-freezing solution catch tray, low temperature cold source region, condensed water catch tray, spray thrower, gas circulation blower fan and gas circulation air path; Wherein, high temperature heat source district and low temperature cold source district are provided with respectively corresponding heat exchange zone, and are respectively equipped with high temperature heat source and low temperature cold source.
Embodiment 1
As shown in Figure 1, comprise: high temperature heat source 1a, anti-freezing solution catch tray 2a, low temperature cold source 1b, condensed water catch tray 2b and spray thrower 3, gas circulation blower fan 4 and gas circulation air path 5, the carrier of high temperature heat source 1a and low temperature cold source 1b all preferably flow in the high temperature heat source 1a of a coil arrangement and low temperature cold source 1b.
The low concentration anti-freezing solution passage 9 that the import connection of described spray thrower 3 communicates with the air-conditioning system condensing plant, the below of spray thrower 3 is provided with high temperature heat source 1a, the low concentration anti-freezing solution that sprays out in the spray thrower 3 is flowed through behind the high temperature heat source 1a in the high temperature heat source district, the anti-freezing solution evaporation and concentration enters anti-freezing solution catch tray 2a, described anti-freezing solution catch tray 2a is provided with concentrated solution outlet 8a, and the solution among the anti-freezing solution catch tray 2a enters the highly concentrated solution passage that communicates with the air-conditioning system condensing plant.Condensed water catch tray 2b is arranged at below, low temperature cold source region and is provided with condensation delivery port 8b, and condensed water can be used for corresponding air-conditioning system or do other purposes after collect.Gas circulation blower fan 4 is arranged in the circulation air path that is communicated with high temperature heat source district and low temperature cold source region, flow through the low temperature cold source region to drive recyclegas from the high temperature heat source district, at high temperature heat source district absorption moisture content and after condensed water is separated out in the Low Temperature Thermal source region, recyclegas continues to be back to the high temperature heat source district along described gas circulation air channel and circulates.
The air-conditioning system condensing plant that is connected with above-mentioned regenerating unit is evaporative condenser, and the cooling tower that perhaps is connected and water cooled condenser can also be condensing plant applicable in other air-conditioning system certainly.
When the carrier of high temperature heat source and low temperature cold source is cold-producing medium, this cold-producing medium is for directly coming from the cold-producing medium that uses in the air-conditioning system, the import 6a of described high temperature heat source 1a connects the high temperature refrigerant passage that communicates with air-conditioning system, the outlet 7a of high temperature heat source 1a connects another high temperature that communicates with air-conditioning system or middle temperature coolant channel, the import 6b of low temperature cold source 1b connects the low-temperature refrigerant passage that communicates with air-conditioning system, and the outlet 7b of low temperature cold source 1b connects another low-temperature refrigerant passage that communicates with air-conditioning system.Described spray thrower 3 is to high temperature heat source spray low concentration anti-freezing solution, circulating fan 4 drives recycle gas stream and crosses the high temperature heat source district simultaneously, the high temperature refrigerant of coming from the import of high temperature heat source 1a and spray solution and recyclegas carry out heat exchange, cold-producing medium emits that the outlet from high temperature heat source 1a flows away behind the heat, the temperature of gas and water capacity all raise behind the moisture content in the recyclegas absorbent solution, simultaneously after the water evaporates of solution concentration raise and fall into anti-freezing solution catch tray 2a after flow out from concentrated solution outlet 8a; Described hot and humid recyclegas continues to flow through the low temperature cold source region, carry out heat exchange with the low-temperature refrigerant of coming from the import of low temperature cold source 1b, the drop in temperature of recyclegas is also separated out condensed water, condensed water flows away from the delivery port 8b of condensed water catch tray, the outlet from low temperature cold source 1b flows away behind the cold-producing medium absorption heat in the low temperature cold source 1b simultaneously, and described recyclegas is back to the high temperature heat source district along circulation air path under the driving of blower fan 4 continues to circulate.Preferably, the relative position arrangement of gas circulation blower fan, high temperature heat source and the low temperature cold source in the present embodiment is: high temperature heat source district-gas circulation blower fan-low temperature cold source region.
Preferably, spray thrower 3 lower floors also can be provided with heat exchange filler 11, to increase heat exchange area, improve heat exchange efficiency.
Embodiment 2
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 2, compare with embodiment 1, in order to be conducive to low concentration anti-freezing solution evaporation moisture content and to form concentrated solution, its difference is, increased Sprayer Circulation pump 10, the import of described Sprayer Circulation pump connects anti-freezing solution catch tray 2a, the Sprayer Circulation delivery side of pump connects spray thrower 3, low concentration anti-freezing solution passage 9 then connects anti-freezing solution catch tray 2a, spray solution is repeatedly circulated through high temperature heat source 1a, thereby realize the requirement that the how rear antifreeze solution concentration of water evaporates raises.
Embodiment 3
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 3, compare with embodiment 1, its difference is, the high temperature heat source district of this regenerating unit is provided with high temperature heat source 1a, and described high temperature heat source 1a is positioned at spray thrower 3 outsides, namely is arranged at the import department of recyclegas, the carrier of high temperature heat source 1a adopts the cold-producing medium in the air-conditioning system equally, described high temperature heat source 1a can be designed to be conducive to any structure of Heating Cyclic gas.The below of spray thrower 3 arranges heat exchange filler 11.Recyclegas is flowed through, and gas temperature raises behind the high temperature heat source 1a, then the anti-freezing solution that sprays out of high-temperature gas and spray thrower 3 carries out heat exchange, the water capacity of gas raises behind the moisture content in the high-temperature gas absorption anti-freezing solution, simultaneously after the water evaporates of solution concentration raise and fall into anti-freezing solution catch tray 2a after flow out from concentrated solution outlet 8a, then recyclegas and low temperature cold source 1b carry out heat exchange.
Embodiment 4
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 4, compare with embodiment 1, its difference is, the high temperature heat source district of this regenerating unit is provided with high temperature heat source 1a,, high temperature heat source 1a is arranged at before the import of described spray thrower 3, the carrier of high temperature heat source 1a adopts the cold-producing medium in the air-conditioning system equally, described high temperature heat source 1a can be designed to be conducive to heat any structure of high temperature heat source carrier, such as the pipe clamp nested structure.The below of spray thrower 3 arranges heat exchange filler 11.Described high temperature heat source is used for heating low concentration anti-freezing solution, the low concentration anti-freezing solution is flowed through, and solution temperature raises behind the high temperature heat source 1a, then high temperature low concentration anti-freezing solution carries out heat exchange with recyclegas again, the temperature of gas and water capacity all raise behind the moisture content in the recyclegas absorbent solution, simultaneously after the water evaporates of solution concentration raise and fall into the solution catch tray after flow out from concentrated solution outlet 8a, then recyclegas and low temperature cold source 1b carry out heat exchange.
Embodiment 5
Regenerating unit in above-described embodiment 1 is connected with evaporative condenser 12, as shown in Figure 5, adopt the mode that is connected with evaporative condenser, low concentration anti-freezing solution in the evaporative condenser 12 is through regenerating unit, concentration raises after the water evaporates in the anti-freezing solution, and highly concentrated solution is back to evaporative condenser 12 from concentrated solution outlet 8a.
Embodiment 6
The present embodiment is as a kind of improvement project of embodiment 5, as shown in Figure 6, in order to make the more smooth and easy evaporative condenser 12 that is back to of highly concentrated solution, concentrated solution outlet 8a has increased solution pump 13, and highly concentrated solution is back to evaporative condenser 12 after solution pump 13 superchargings.
Embodiment 7
Regenerating unit in above-described embodiment 1 and cooling tower 14 are connected with water cooled condenser and are connected, as shown in Figure 7, adopt with cooling tower 14 and are connected the mode that is connected with water cooled condenser, low concentration anti-freezing solution in the cooling tower 14 is through regenerating unit, concentration raises after the water evaporates in the anti-freezing solution, and highly concentrated solution is back to cooling tower 14 from the concentrated solution outlet.As preferred version, the outlet of the concentrated solution of the present embodiment also can be provided with the solution pump that supercharging is used.
In the apparatus structure of the various embodiments described above, the cold-producing medium of the carrier of described high temperature heat source in using air-conditioning system, can also be water, gas, oil, or different forms be the thermal source that electrothermal, steam-type, combustion type, fuel oil type, oily hot type, fume afterheat etc. produce; The cold-producing medium of the carrier of described low temperature in using air-conditioning system, also can also be water, gas, wet goods.When adopting the outside carrier of introducing as high temperature heat source and low temperature cold source, obviously, main change is to be corresponding carrier inlet and to be connected the low-temperature receiver, the thermal source that all need with in the external circulating system and to be connected.Particularly, the structural representation that adopts electric heater 16 class thermals source has been shown among Fig. 8.Gas adopts the gases such as air or nitrogen.The relative position arrangement of gas circulation blower fan, high temperature heat source and low temperature cold source can also be: gas circulation blower fan-high temperature heat source-low temperature cold source, high temperature heat source-low temperature cold source-gas circulation blower fan; In the high temperature heat source district, the mass transfer exchanged form of recyclegas and anti-freezing solution can be following current, adverse current, mixed flow or cross-flow.
As mentioned above, just can realize preferably the utility model, above-described embodiment is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modification, all contained by the utility model claim scope required for protection.

Claims (9)

1. an anti-freezing solution regenerating unit that is used for air-conditioning system is characterized in that, comprises high temperature heat source district, anti-freezing solution catch tray, low temperature cold source region, condensed water catch tray, spray thrower, gas circulation blower fan and gas circulation air path; Wherein,
Described high temperature heat source district is provided with high temperature heat source, the import of described spray thrower is connected in the low concentration anti-freezing solution passage that communicates with the air-conditioning system condensing plant, the low concentration anti-freezing solution that flows out in the described spray thrower is flowed through, and evaporation and concentration enters the anti-freezing solution catch tray behind the high temperature heat source district, and the solution in the described anti-freezing solution catch tray enters the highly concentrated solution passage that communicates with the air-conditioning system condensing plant;
Described low temperature cold source region is provided with low temperature cold source, and described condensed water catch tray is arranged at below, low temperature cold source region, and is provided with condensation-water drain;
Described gas circulation blower fan is arranged in the gas circulation air channel that is communicated with high temperature heat source district and low temperature cold source region, flow through the low temperature cold source region to drive recyclegas from the high temperature heat source district, absorb moisture content in the high temperature heat source district and after condensed water is separated out in the Low Temperature Thermal source region, continue to be back to the high temperature heat source district along described gas circulation air channel and circulate.
2. anti-freezing solution regenerating unit as claimed in claim 1, it is characterized in that: the relative position arrangement in described gas circulation blower fan, high temperature heat source district and low temperature cold source region is: high temperature heat source district-gas circulation blower fan-low temperature cold source region, gas circulation blower fan-high temperature heat source district-low temperature cold source region or high temperature heat source district-low temperature cold source region-gas circulation blower fan.
3. anti-freezing solution regenerating unit as claimed in claim 2 is characterized in that, described high temperature heat source is arranged between described spray thrower and the anti-freezing solution catch tray; Perhaps described high temperature heat source is arranged at the recyclegas import department in described high temperature heat source district and the outside of described spray thrower, so that recyclegas carries out heat exchange by the below of described spray thrower after heating; Perhaps described high temperature heat source is arranged at before the import of described spray thrower, so that the low concentration anti-freezing solution enters described spray thrower through heating first again and recyclegas carries out heat exchange.
4. anti-freezing solution regenerating unit according to claim 3, it is characterized in that: the carrier of described high temperature heat source is cold-producing medium, water, gas or oil, or different forms is the thermal source that electrothermal, steam-type, combustion type, fuel oil type, oily hot type or fume afterheat mode produce; The carrier of described low temperature cold source is cold-producing medium, water, gas or oil.
5. such as arbitrary described anti-freezing solution regenerating unit among the claim 1-4, it is characterized in that: be provided with the Sprayer Circulation pump between described spray thrower and the described anti-freezing solution catch tray, described anti-freezing solution catch tray also is connected with low concentration anti-freezing solution passage in the air-conditioning system.
6. such as arbitrary described anti-freezing solution regenerating unit among the claim 1-4, it is characterized in that: described highly concentrated solution passage is provided with solution pump.
7. such as arbitrary described anti-freezing solution regenerating unit among the claim 1-4, it is characterized in that: described spray thrower below is provided with the heat exchange filler.
8. such as arbitrary described anti-freezing solution regenerating unit among the claim 1-4, it is characterized in that: the external condensing plant of described regenerating unit is evaporative condenser, the cooling tower that perhaps is connected and water cooled condenser.
9. such as arbitrary described anti-freezing solution regenerating unit among the claim 1-4, it is characterized in that: described recyclegas adopts air, nitrogen or inert gas.
CN 201220396872 2012-08-06 2012-08-06 Anti-freezing solution regeneration device for air conditioner system Expired - Lifetime CN202902508U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103574801A (en) * 2012-08-06 2014-02-12 广州市华德工业有限公司 Anti-freezing solution regenerating device for air-conditioning system
CN105987549A (en) * 2015-02-04 2016-10-05 广州市华德工业有限公司 Control method and control device for automatic addition of antifreezing solution
CN109539447A (en) * 2018-11-26 2019-03-29 龙启行 A kind of energy-saving new blower of bathroom heating

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103574801A (en) * 2012-08-06 2014-02-12 广州市华德工业有限公司 Anti-freezing solution regenerating device for air-conditioning system
CN105987549A (en) * 2015-02-04 2016-10-05 广州市华德工业有限公司 Control method and control device for automatic addition of antifreezing solution
CN105987549B (en) * 2015-02-04 2018-10-30 广州市华德工业有限公司 The control method and control device of automatic addition anti-freezing solution
CN109539447A (en) * 2018-11-26 2019-03-29 龙启行 A kind of energy-saving new blower of bathroom heating

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