CN205279357U - Cooling water set heat recovery system - Google Patents
Cooling water set heat recovery system Download PDFInfo
- Publication number
- CN205279357U CN205279357U CN201620003545.2U CN201620003545U CN205279357U CN 205279357 U CN205279357 U CN 205279357U CN 201620003545 U CN201620003545 U CN 201620003545U CN 205279357 U CN205279357 U CN 205279357U
- Authority
- CN
- China
- Prior art keywords
- water
- chilling units
- circulating pump
- handpiece
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to a heat recovery system of cooling water set, including the cooling water set, the refrigerated water circulating pump, air conditioner end -equipment, cooling water circulating pump, the cooling tower, a heat exchanger, the evaporimeter water inlet of cooling water set is connected with the delivery port of refrigerated water circulating pump end, the evaporimeter delivery port and air conditioner end -equipment's the water inlet of cooling water set are connected, air conditioner end -equipment's the delivery port and the water inlet of refrigerated water circulating pump are connected, the condenser water inlet and cooling water circulating pump's the delivery port of cooling water set are connected, the condenser delivery port of cooling water set passes through condenser outlet pipe way and is connected with the water inlet of cooling tower, the condenser outlet pipe of cooling water set connects in parallel on the road and sets up the heat exchanger, the delivery port of cooling tower passes through the water outlet pipe way and is connected with cooling water circulating pump's water inlet, the cooling water set, the refrigerated water circulating pump, air conditioner end -equipment, cooling water circulating pump, the cooling tower, the heat exchanger all is connected with air conditioner automatic control system. The utility model discloses energy -conserving effect is obvious, and it is convenient to maintain, moves reliable and stablely.
Description
Technical field
The utility model belongs to field of heating ventilation air conditioning, in particular to a kind of handpiece Water Chilling Units heat recovery system adopting water coolant preheating domestic hot-water, belongs to the renovation technique of handpiece Water Chilling Units heat recovery system.
Background technology
Flourish along with hotel class building, hotel class build in energy consumption also more and more serious, it brings huge pressure not only to the cause such as the energy, environmental protection, and gives the manager of hotel class building with no small economic impact. So to the hotel class building of China, reasonable application and effective conservation measures based on the energy are very urgent and necessary. Under the encouragement of the positive energy saving policy of China, multiple power-saving technology is obtained for good application. But, the current existing building of China has exceeded 40,000,000,000, and new building also increases with the speed per year over 2000000000. In existing building, more than 90% is high energy consumption building, even new building, only a large amount of building does not reach the mandatory energy conservation standard of country's formulation, to the reducing energy consumption of existing building by becoming the energy consumption reducing air-conditioning, seeks an important method on the road of air-conditioning Sustainable development yet.
Handpiece Water Chilling Units heat recovery technology is a popular power-saving technology of hotel class building. Mainly contain cooling water heat at present to reclaim and exhaust heat recovery two kinds of modes.
(1) cooling water heat recovery technology many employings interchanger and cooling tower parallel technology, this method heat is big, and interchanger is in parallel with cooling tower, and cooling water system resistance is little, but cooling water supply temperature is unstable, and sequence of control is complicated.
(2) exhaust heat recovery technology needs to change main frame structure, is relatively suitable for new project, in transformation project, it is necessary to changing cold water main unit, improvement cost is big.
For the high energy consumption hotel class building that existing market is a large amount of, seeking a kind of simple to operate, the moderate handpiece Water Chilling Units heat recovery technology of improvement cost is extremely urgent, significant.
Summary of the invention
The purpose of this utility model is to provide a kind of system simple, does not affect handpiece Water Chilling Units refrigerating efficiency, and adopts the handpiece Water Chilling Units heat recovery system of water coolant preheating domestic hot-water. The utility model is reasonable in design, convenient and practical, has a extensive future in the class building air conditioning reducing energy consumption of hotel.
The technical solution of the utility model is: handpiece Water Chilling Units heat recovery system of the present utility model, include handpiece Water Chilling Units, chilled water circulating pump, air conditioner end equipment, cooling water circulating pump, cooling tower, interchanger, wherein the vaporizer water-in of handpiece Water Chilling Units is connected with the water outlet end of chilled water circulating pump, the vaporizer water outlet of handpiece Water Chilling Units is connected with the water-in of air conditioner end equipment, the water outlet of air conditioner end equipment is connected with the water inlet of chilled water circulating pump, the condenser water-in of handpiece Water Chilling Units is connected with the water outlet of cooling water circulating pump, the condenser water outlet of handpiece Water Chilling Units is connected with the water-in of cooling tower by condenser outlet pipeline, the condenser outlet pipeline of handpiece Water Chilling Units is arranged in parallel interchanger, the water outlet of cooling tower is connected with the water-in of cooling water circulating pump by water outlet pipeline, handpiece Water Chilling Units, chilled water circulating pump, air conditioner end equipment, cooling water circulating pump, cooling tower, interchanger is all connected with automatic air conditionning system.
The utility model compared with prior art, has following feature:
(1) the utility model heat reclamation device adopts half-volume type heat exchanger, has certain heat storage capacity, can guarantee that domestic hot-water is stabilized in the temperature of setting.
(2) the utility model installs heat recovering heat exchanger additional in cooling water outlet pipe road, and the impact of handpiece Water Chilling Units refrigerating efficiency is less, and handpiece Water Chilling Units refrigerating duty and COP remain unchanged substantially.
(3) the utility model system architecture is simple, and steering logic is simple and easy, is controlled the stability of flow of the hot matchmaker side of half-volume type heat exchanger by motor-driven pressure-difference valve V1, constant by cooling tower and electrical temperature by-pass valve V2 controlled cooling model water return water temperature.
The utility model is that a kind of design is ingenious, and excellent property is convenient and practical, can guarantee that preheating temperature is stablized, and ensure the handpiece Water Chilling Units heat recovery system of handpiece Water Chilling Units stable and high effective operation. The utility model can reach domestic similar projects advanced level.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Embodiment:
Schematic diagram of the present utility model is as shown in Figure 1, handpiece Water Chilling Units heat recovery system of the present utility model, include handpiece Water Chilling Units 1, chilled water circulating pump 2, air conditioner end equipment 3, cooling water circulating pump 4, cooling tower 5, interchanger 6, wherein the vaporizer water-in of handpiece Water Chilling Units 1 is connected with the water outlet end of chilled water circulating pump 2, the vaporizer water outlet of handpiece Water Chilling Units 1 is connected with the water-in of air conditioner end equipment 3, the water outlet of air conditioner end equipment 3 is connected with the water inlet of chilled water circulating pump 2, the condenser water-in of handpiece Water Chilling Units 1 is connected with the water outlet of cooling water circulating pump 4, the condenser water outlet of handpiece Water Chilling Units 1 is connected with the water-in of cooling tower 5 by condenser outlet pipeline, the condenser outlet pipeline of handpiece Water Chilling Units 1 is arranged in parallel interchanger 6, the water outlet of cooling tower 5 is connected by the water-in of water outlet pipeline with cooling water circulating pump 4, handpiece Water Chilling Units 1, chilled water circulating pump 2, air conditioner end equipment 3, cooling water circulating pump 4, cooling tower 5, interchanger 6 is all connected with automatic air conditionning system.
In the present embodiment, above-mentioned interchanger 6 is half-volume type heat exchanger.
In the present embodiment, the Heating medium of above-mentioned interchanger 6 is near the condenser water outlet of handpiece Water Chilling Units 1, and the hot matchmaker outlet of interchanger 6 is away from the condenser water outlet of handpiece Water Chilling Units 1.
In the present embodiment, the condenser outlet pipeline of above-mentioned handpiece Water Chilling Units 1 is provided with motor-driven pressure-difference valve 7, and the pressure reduction that motor-driven pressure-difference valve 7 detects is the pressure difference between the Heating medium pipe of interchanger 6 and hot matchmaker's outlet pipe of interchanger 6.
In the present embodiment, between the water-in of above-mentioned cooling tower 5 and water outlet pipeline, it is arranged in parallel electrical temperature by-pass valve 8. Motor-driven pressure-difference valve 7, electrical temperature by-pass valve 8 are also connected with automatic air conditionning system.
The utility model is described further by following examples.
Fig. 1 is system flowchart of the present utility model, water coolant is after cooling tower cools, being pumped into handpiece Water Chilling Units condenser by cooling water circulation, water coolant absorbs heat intensification within the condenser, flows into water coolant and reclaims dry pipe, now, part cooling-water flowing, through half-volume type heat exchanger, after the tap water in preheating half-volume type heat exchanger, flows back to water coolant and returns water conduit tube, converge with rest part water coolant, jointly flow back to cooling tower cooling. The stability of flow of the hot matchmaker side of half-volume type heat exchanger is controlled by motor-driven pressure-difference valve V1, constant by cooling tower and electrical temperature by-pass valve V2 controlled cooling model water return water temperature. Cold water main unit system COP is 5.6W/W, and chilled water system is stable.
Each point position air-conditioning water temperature gauge in system flowchart:
| Position point | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 |
| Temperature (DEG C) | 7 | 12 | 37 | 32 | 32 | 37 | 20 | 36 |
More than designing the operating requirement that can meet air-conditioning system completely, simultaneously for domestic hot-water provides free preheating thermal source, amounts of preheat accounts for the 44% of domestic hot-water's required heating total amount, is a kind of simplicity, practicality, stable handpiece Water Chilling Units heat recovery system.
Claims (5)
1. a handpiece Water Chilling Units heat recovery system, it is characterized in that including handpiece Water Chilling Units (1), chilled water circulating pump (2), air conditioner end equipment (3), cooling water circulating pump (4), cooling tower (5), interchanger (6), wherein the vaporizer water-in of handpiece Water Chilling Units (1) is connected with the water outlet end of chilled water circulating pump (2), the vaporizer water outlet of handpiece Water Chilling Units (1) is connected with the water-in of air conditioner end equipment (3), the water outlet of air conditioner end equipment (3) is connected with the water inlet of chilled water circulating pump (2), the condenser water-in of handpiece Water Chilling Units (1) is connected with the water outlet of cooling water circulating pump (4), the condenser water outlet of handpiece Water Chilling Units (1) is connected with the water-in of cooling tower (5) by condenser outlet pipeline, the condenser outlet pipeline of handpiece Water Chilling Units (1) is arranged in parallel interchanger (6), the water outlet of cooling tower (5) is connected by the water-in of water outlet pipeline with cooling water circulating pump (4), handpiece Water Chilling Units (1), chilled water circulating pump (2), air conditioner end equipment (3), cooling water circulating pump (4), cooling tower (5), interchanger (6) is all connected with automatic air conditionning system.
2. handpiece Water Chilling Units heat recovery system according to claim 1, it is characterised in that above-mentioned interchanger (6) is half-volume type heat exchanger.
3. handpiece Water Chilling Units heat recovery system according to claim 1, it is characterized in that the condenser water outlet of the Heating medium of above-mentioned interchanger (6) near handpiece Water Chilling Units (1), the hot matchmaker outlet of interchanger (6) is away from the condenser water outlet of handpiece Water Chilling Units (1).
4. handpiece Water Chilling Units heat recovery system according to the arbitrary item of claims 1 to 3, it is characterized in that the condenser outlet pipeline of above-mentioned handpiece Water Chilling Units (1) is provided with motor-driven pressure-difference valve (7), and the pressure reduction that motor-driven pressure-difference valve (7) detects is the pressure difference between the Heating medium pipe of interchanger (6) and hot matchmaker's outlet pipe of interchanger (6).
5. handpiece Water Chilling Units heat recovery system according to claim 4, it is characterised in that be arranged in parallel electrical temperature by-pass valve (8) between the water-in of above-mentioned cooling tower (5) and water outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003545.2U CN205279357U (en) | 2016-01-05 | 2016-01-05 | Cooling water set heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003545.2U CN205279357U (en) | 2016-01-05 | 2016-01-05 | Cooling water set heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279357U true CN205279357U (en) | 2016-06-01 |
Family
ID=56063934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620003545.2U Expired - Fee Related CN205279357U (en) | 2016-01-05 | 2016-01-05 | Cooling water set heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279357U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322600A (en) * | 2016-08-31 | 2017-01-11 | 新奥泛能网络科技股份有限公司 | Air-conditioning cooling water cooling system |
| CN106320425A (en) * | 2016-09-18 | 2017-01-11 | 上海展华电子有限公司 | Water chiller unit heat energy recovery and utilization system |
| CN107120868A (en) * | 2017-06-21 | 2017-09-01 | 宝莲华新能源技术（上海）股份有限公司 | A kind of cooling water control system for improving earth-source hot-pump system Energy Efficiency Ratio |
-
2016
- 2016-01-05 CN CN201620003545.2U patent/CN205279357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322600A (en) * | 2016-08-31 | 2017-01-11 | 新奥泛能网络科技股份有限公司 | Air-conditioning cooling water cooling system |
| CN106320425A (en) * | 2016-09-18 | 2017-01-11 | 上海展华电子有限公司 | Water chiller unit heat energy recovery and utilization system |
| CN107120868A (en) * | 2017-06-21 | 2017-09-01 | 宝莲华新能源技术（上海）股份有限公司 | A kind of cooling water control system for improving earth-source hot-pump system Energy Efficiency Ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |