CN204555113U - The antifreeze auxiliary unit of a kind of recuperation of heat - Google Patents
The antifreeze auxiliary unit of a kind of recuperation of heat Download PDFInfo
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- CN204555113U CN204555113U CN201520260525.9U CN201520260525U CN204555113U CN 204555113 U CN204555113 U CN 204555113U CN 201520260525 U CN201520260525 U CN 201520260525U CN 204555113 U CN204555113 U CN 204555113U
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- recuperation
- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The antifreeze auxiliary unit of a kind of recuperation of heat, it relates to the antifreeze field of air-conditioning, is specifically related to the antifreeze auxiliary unit of a kind of recuperation of heat.The utility model is solve that cold district winter to be discharged to outdoor air draft heat utilization ratio by the air draft unit with heat exchanging segment low, the problem wasted energy.The antifreeze auxiliary unit of a kind of recuperation of heat comprises constant voltage regulating device, influent stream pipe, return duct, non-return valve and two circulating pumps, one end of influent stream pipe is communicated with air draft unit, the other end of influent stream pipe is communicated with Fresh air handling units, one end of return duct is communicated with air draft unit, the other end of return duct is communicated with Fresh air handling units, influent stream pipe, return duct, air draft unit and Fresh air handling units form a circulation stream, freeze-proof liquid is passed in circulation stream, non-return valve and two circulating pumps are arranged in parallel on influent stream pipe, and constant voltage regulating device is arranged on circulation pump intake place.The rate of recovery of the utility model to the air draft heat of air draft unit can reach 10% ~ 60%.The utility model is used for the antifreeze field of air-conditioning.
Description
Technical field
The utility model relates to the antifreeze field of air-conditioning, is specifically related to the antifreeze auxiliary unit of a kind of recuperation of heat.
Background technology
In the winter of China's cold district, for the needs of satisfied production and life, when outdoor new wind enters indoor by Fresh air handling units, usual employing steam or hot water heat to the coil pipe in Fresh air handling units as thermal source, thus the object reached the new wind heating in outdoor, while outdoor new wind enters indoor by Fresh air handling units, often need the hot blast of indoor to be discharged to outdoor by air draft unit, the energy being discharged to outdoor hot blast is not effectively utilized, thus causes the energy to be wasted.
Utility model content
The utility model is solve that cold district winter to be discharged to outdoor air draft heat utilization ratio by air draft unit low, the problem wasted energy, and then proposes the antifreeze auxiliary unit of a kind of recuperation of heat.
The utility model is the technical scheme taked that solves the problem: the antifreeze auxiliary unit of a kind of recuperation of heat comprises constant voltage regulating device, influent stream pipe, return duct, non-return valve and two circulating pumps, one end of influent stream pipe is communicated with air draft unit, the other end of influent stream pipe is communicated with Fresh air handling units, one end of return duct is communicated with air draft unit, the other end of return duct is communicated with Fresh air handling units, influent stream pipe, return duct, air draft unit and Fresh air handling units form a circulation stream, freeze-proof liquid is passed in circulation stream, non-return valve and two circulating pumps are arranged in parallel on influent stream pipe, constant voltage regulating device is arranged on circulation pump intake place.
The beneficial effects of the utility model are:
1. Fresh air handling units is communicated with air draft unit with return duct by utilizing influent stream pipe by the utility model, form a circulation stream, make Fresh air handling units can reclaim the air draft heat of air draft unit, reach the object to outdoor fresh air preheating, like this, when the new wind after preheating is heated by the bringing-up section in Fresh air handling units again, the steam passed into or the energy of hot water just reduce, saved the energy, the rate of recovery of the utility model to the air draft heat of air draft unit can reach 10% ~ 60%.
2. the heat transferring medium that the utility model adopts is freeze-proof liquid, and because the freezing point of freeze-proof liquid is very low, between-5 DEG C ~-50 DEG C, so in the winter of cold, or when outdoor new air temperature is low to moderate below 0 DEG C, the heat(ing) coil of heat exchanging segment can not by bursting by freezing.
3. the utility model is provided with constant voltage regulating device at circulation pump intake place, regulates the change of the volume caused due to the change of freeze-proof liquid temperature in circulation stream, makes pressure stability in circulation stream, ensure that the security that unit uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of the constant voltage regulating device with voltage stabilizing expansion regulating box, and Fig. 2 is the structural representation of the constant voltage regulating device with fluid infusion pump.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 and Fig. 2 illustrate present embodiment, the antifreeze auxiliary unit of a kind of recuperation of heat described in present embodiment comprises constant voltage regulating device, influent stream pipe 1, return duct 2, non-return valve 3 and two circulating pumps 4, one end of influent stream pipe 1 is communicated with air draft unit 15, the other end of influent stream pipe 1 is communicated with Fresh air handling units 16, one end of return duct 2 is communicated with air draft unit 15, the other end of return duct 2 is communicated with Fresh air handling units 16, influent stream pipe 1, return duct 2, air draft unit 15 and Fresh air handling units 16 form a circulation stream, freeze-proof liquid is passed in circulation stream, non-return valve 3 and two circulating pumps 4 are arranged in parallel on influent stream pipe 1, constant voltage regulating device is arranged on the suction inlet place of circulating pump 4.
In present embodiment, heat exchanging segment is included in air draft unit 15 and Fresh air handling units 16, heat exchanging segment forms by organizing heat(ing) coil more, influent stream pipe 1 is communicated with heat(ing) coil respectively with return duct 2, a circulation stream is formed by influent stream pipe 1 and return duct 2 between air draft unit 15 and Fresh air handling units 16, carry out heat exchange, the air draft heat that air draft unit 15 discharges by Fresh air handling units 16 is recycled, and recovery utilization rate reaches 10% ~ 60%.
The effect of constant voltage regulating device is the change regulating the volume caused due to the change of freeze-proof liquid temperature in flow pipe, makes pressure stability in flow pipe, ensure that the security that unit uses.
Two circulating pumps 4 are arranged in parallel, for subsequent use mutually, and during work, only have a circulating pump 4 to come into operation, when one of them circulating pump 4 breaks down, another one circulating pump 4 can come into operation immediately, can not affect the operation of unit.Non-return valve 3 and two circulating pumps 4 are arranged in parallel, when circulating pump 4 is out of service, freeze-proof liquid instantaneously through non-return valve 3, can prevent the impact that freeze-proof liquid causes circulating pump 4 and flow pipe, thus avoid the damage of circulating pump 4 and flow pipe, improve the service life of unit.
Detailed description of the invention two: composition graphs 1 illustrates present embodiment, constant voltage regulating device described in present embodiment comprises the first communicating pipe 5 and voltage stabilizing expansion regulating box 6, one end of first communicating pipe 5 is communicated with influent stream pipe 1, and the other end of the first communicating pipe 5 is communicated with voltage stabilizing expansion regulating box 6.The principle of voltage stabilizing expansion regulating box 6 utilizes the difference of height of liquid level to regulate the pressure in flow pipe.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 2 illustrates present embodiment, constant voltage regulating device described in present embodiment comprises the second communicating pipe 7, safety valve 8, electronic relief valve 14, fluid infusion case 9, leak-off pipe 10 and two fluid infusion pumps 11, one end of second communicating pipe 7 is communicated with influent stream pipe 1, the other end of the second communicating pipe 7 is communicated with fluid infusion case 9, two fluid infusion pumps 11 are arranged in parallel on the second communicating pipe 7, the exit of fluid infusion pump 11 is provided with safety valve 8 and electronic relief valve 14, and safety valve 8 is arranged in parallel with electronic relief valve 14 and is communicated with fluid infusion case 9 by leak-off pipe 10.
The utility model is provided with safety valve 8, electronic relief valve 14, fluid infusion case 9 and fluid infusion pump 11 and constitutes a pressure regulating system, and when pressure in system reaches the operating pressure of setting, fluid infusion pump 11 quits work; When pressure in system is lower than the operating pressure set, fluid infusion pump 11 is started working, and supplements freeze-proof liquid, make pressure in system maintain the operating pressure of setting all the time in circulation stream.When pressure in system exceedes the operating pressure of setting and reaches the pressure upper limit of setting, electronic relief valve 14 starts pressure release, unnecessary freeze-proof liquid is flow back in fluid infusion case 9, until pressure drop is to the operating pressure of setting in system, electronic relief valve 14 stops pressure release, if electronic relief valve 14 is malfunctioning, in system, pressure continues to raise, and 8, safety valve starts pressure release, makes unnecessary freeze-proof liquid flow back in fluid infusion case, make pressure stability in circulation stream, ensure that the security that unit uses.
Two fluid infusion pumps 11 are for subsequent use mutually, and during work, only have a fluid infusion pump 11 to come into operation, when one of them fluid infusion pump 11 breaks down, another one fluid infusion pump 11 can come into operation immediately, can not affect the operation of unit.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention four: composition graphs 2 illustrates present embodiment, the antifreeze auxiliary unit of a kind of recuperation of heat described in present embodiment also comprises voltage stabilizing expansion drum 12, and voltage stabilizing expansion drum 12 is arranged on the exit of fluid infusion pump 11.Voltage stabilizing expansion drum 12 is used for delaying the start-stop time of fluid infusion pump 11, extends the service life of fluid infusion pump 11.Other composition and annexation identical with detailed description of the invention one or three.
Detailed description of the invention five: composition graphs 1 and Fig. 2 illustrate present embodiment, the antifreeze auxiliary unit of a kind of recuperation of heat described in present embodiment also comprises dirt separator 13, and dirt separator 13 is arranged on influent stream pipe 1, and dirt separator 13 is arranged on the suction inlet place of circulating pump 4.Because freeze-proof liquid is at circulating pump 4, influent stream pipe 1, return duct 2 and heat(ing) coil internal circulation flow, can produce some dirty dirt unavoidably in construction and running, dirt separator 13 can by these dirty dirt filterings.Other composition and annexation identical with detailed description of the invention four.
Detailed description of the invention six: composition graphs 1 and Fig. 2 illustrate present embodiment, the antifreeze auxiliary unit of a kind of recuperation of heat described in present embodiment also comprises dirt separator 13, and dirt separator 13 is arranged on influent stream pipe 1, and dirt separator 13 is arranged on the suction inlet place of circulating pump 4.Because freeze-proof liquid is at circulating pump 4, influent stream pipe 1, return duct 2 and heat(ing) coil internal circulation flow, can produce some dirty dirt unavoidably in construction and running, dirt separator 13 can by these dirty dirt filterings.Other composition and annexation identical with detailed description of the invention two.
Detailed description of the invention seven: the freezing point of freeze-proof liquid described in present embodiment is-5 DEG C ~-50 DEG C.Setting like this, make freeze-proof liquid effectively can adapt to the difference of the outdoor new air temperature of different cold district least favorable, and fully ensure mobility and the economy of freeze-proof liquid, avoid the heat(ing) coil of the heat exchanging segment of Fresh air handling units and air draft unit by the generation of bursting by freezing phenomenon.Other composition and annexation identical with detailed description of the invention five.
Detailed description of the invention eight: the freezing point of freeze-proof liquid described in present embodiment is-5 DEG C ~-50 DEG C.Setting like this, make freeze-proof liquid effectively can adapt to the difference of the outdoor new air temperature of different cold district least favorable, and fully ensure mobility and the economy of freeze-proof liquid, avoid the heat(ing) coil of the heat exchanging segment of Fresh air handling units and air draft unit by the generation of bursting by freezing phenomenon.Other composition and annexation identical with detailed description of the invention six.
Operation principle
The utility model operationally, Fresh air handling units 16 is communicated with a composition circulation stream by influent stream pipe 1 with return duct 2 with air draft unit 15, non-corrosive freeze-proof liquid is passed into as heat transfer medium in circulation stream, Fresh air handling units 16 pairs of air draft units 15 are discharged to outdoor air draft heat and recycle, reach the object to Fresh air handling units preheating, 10% ~ 60% is reached to the rate of recovery of air draft heat, the heat carrying out steam or the hot water heated in Fresh air handling units 16 is reduced, has saved the energy.
The utility model also installs constant voltage regulating device at the suction inlet place of circulating pump 4, regulates the change of the volume caused due to the change of freeze-proof liquid temperature in circulation stream, makes pressure stability in circulation stream, ensure that the security of unit operation.
Claims (8)
1. the antifreeze auxiliary unit of recuperation of heat, it is characterized in that: the antifreeze auxiliary unit of a kind of recuperation of heat comprises constant voltage regulating device, influent stream pipe (1), return duct (2), non-return valve (3) and two circulating pumps (4), one end of influent stream pipe (1) is communicated with air draft unit (15), the other end of influent stream pipe (1) is communicated with Fresh air handling units (16), one end of return duct (2) is communicated with air draft unit (15), the other end of return duct (2) is communicated with Fresh air handling units (16), influent stream pipe (1), return duct (2), air draft unit (15) and Fresh air handling units (16) composition circulation stream, freeze-proof liquid is passed in circulation stream, non-return valve (3) and two circulating pumps (4) are arranged in parallel on influent stream pipe (1), constant voltage regulating device is arranged on the suction inlet place of circulating pump (4).
2. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 1, it is characterized in that: described constant voltage regulating device comprises the first communicating pipe (5) and voltage stabilizing expansion regulating box (6), one end of first communicating pipe (5) is communicated with influent stream pipe (1), and the other end of the first communicating pipe (5) is communicated with voltage stabilizing expansion regulating box (6).
3. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 1, it is characterized in that: described constant voltage regulating device comprises the second communicating pipe (7), safety valve (8), electronic relief valve (14), fluid infusion case (9), leak-off pipe (10) and two fluid infusion pumps (11), one end of second communicating pipe (7) is communicated with influent stream pipe (1), the other end of the second communicating pipe (7) is communicated with fluid infusion case (9), two fluid infusion pumps (11) are arranged in parallel on the second communicating pipe (7), the exit of fluid infusion pump (11) is provided with safety valve (8) and electronic relief valve (14), safety valve (8) is arranged in parallel with electronic relief valve (14) and is communicated with fluid infusion case (9) by leak-off pipe (10).
4. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 1 or 3, it is characterized in that: the antifreeze auxiliary unit of a kind of recuperation of heat also comprises voltage stabilizing expansion drum (12), and voltage stabilizing expansion drum (12) is arranged on the exit of fluid infusion pump (11).
5. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 4, it is characterized in that: the antifreeze auxiliary unit of a kind of recuperation of heat also comprises dirt separator (13), dirt separator (13) is arranged on influent stream pipe (1), and dirt separator (13) is arranged on the suction inlet place of circulating pump (4).
6. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 2, it is characterized in that: the antifreeze auxiliary unit of a kind of recuperation of heat also comprises dirt separator (13), dirt separator (13) is arranged on influent stream pipe (1), and dirt separator (13) is arranged on the suction inlet place of circulating pump (4).
7. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 5, is characterized in that: the freezing point of freeze-proof liquid is-5 DEG C ~-50 DEG C.
8. the antifreeze auxiliary unit of a kind of recuperation of heat according to claim 6, is characterized in that: the freezing point of freeze-proof liquid is-5 DEG C ~-50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260525.9U CN204555113U (en) | 2015-04-27 | 2015-04-27 | The antifreeze auxiliary unit of a kind of recuperation of heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260525.9U CN204555113U (en) | 2015-04-27 | 2015-04-27 | The antifreeze auxiliary unit of a kind of recuperation of heat |
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| CN204555113U true CN204555113U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520260525.9U Active CN204555113U (en) | 2015-04-27 | 2015-04-27 | The antifreeze auxiliary unit of a kind of recuperation of heat |
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| CN (1) | CN204555113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218010A (en) * | 2021-05-20 | 2021-08-06 | 青岛腾远设计事务所有限公司 | Solar-assisted solution heat recovery system and method |
-
2015
- 2015-04-27 CN CN201520260525.9U patent/CN204555113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218010A (en) * | 2021-05-20 | 2021-08-06 | 青岛腾远设计事务所有限公司 | Solar-assisted solution heat recovery system and method |
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| GR01 | Patent grant |