CN202757345U - Water cooling and heating unit for ultrapure water system - Google Patents
Water cooling and heating unit for ultrapure water system Download PDFInfo
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- CN202757345U CN202757345U CN201220428180.XU CN201220428180U CN202757345U CN 202757345 U CN202757345 U CN 202757345U CN 201220428180 U CN201220428180 U CN 201220428180U CN 202757345 U CN202757345 U CN 202757345U
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Abstract
The utility model discloses a water cooling and heating unit for an ultrapure water system. The water cooling and heating unit for the ultrapure water system comprises a plate type heat exchanging device, a water inlet of the plate type heat exchanging device is connected with a front-stage device, a water outlet pipe of the plate type heat exchanging device is connected to a rear-stage device, and a medium inlet of the plate type heat exchanging device is connected with a heating medium or a refrigerant through a medium pipeline. The water cooling and heating unit for the ultrapure water system is characterized in that a water cooling and heating unit body is additionally arranged between the plate type heat exchanging device and a heat source or between the plate type heat exchanging device and a cold source, a water inlet pipe is connected with a water inlet of the water cooling and heating unit body, the water inlet pipe is connected to the position of the heat medium or the position of the refrigerant, a water outlet pipe is connected with a water outlet of the water cooling and heating unit body, and the water outlet pipe is connected to a medium connecting port of the plate type heat exchanging device. No medium is used for conducting heat or refrigerating; and at the same time, the water cooling and heating unit integrates a refrigerating function and a heating function and can be used for both cooling and heating, the effect that the ultrapure water system is cooled with the water cooling and heating unit in summer and heated with the water cooling and heating unit in winter can be achieved, and the water cooling and heating unit for the ultrapure water system has multiple purposes and is quite convenient and fast to use.
Description
Technical field
The utility model relates to a kind of, is used for specifically the ultra-pure water system.
Background technology
In the ultra-pure water system, adopt plate type heat exchanger that two kinds of reasons are generally arranged: 1. regulate the reverse osmosis feedwater temperature, guarantee aquifer yield and the protection reverse osmosis membrane of counter-infiltration.Because in certain temperature range, the water yield of reverse osmosis membrane is directly proportional with inflow temperature, 1 ℃ of the every decline of temperature, and water yield decline 3-5%, the inflow temperature of while reverse osmosis membrane can destroy the structure of reverse osmosis membrane during less than 5 ℃.And winter weather cold, the low normal water yield that has had a strong impact on counter-infiltration of water temperature guarantees water yield and protection reverse osmosis membrane so need to add this device.2. guarantee that the ultra-pure water leaving water temperature reaches the special accurate requirement of demanding party: high temperature pure water such as platinum chamber 32 ℃-38 ℃ of pure water temperature etc. are arranged, also there are low temperature pure water such as kiln to need 18 ℃-21 ℃ etc. with pure water temperature, when particularly summer temperature is too high, just needs to change cooling by plate and come constant temperature to reach this temperature.Yet plate type heat exchanger must rely on medium to conduct heat or freeze, i.e. heating agent or refrigerant such as municipal steam, municipal hot water and boiler water supply etc.
Summary of the invention
In view of the defective that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of hot and cold water unit that is applied to the ultra-pure water system, need not to conduct heat or refrigeration by medium, can realize that refrigeration, heat-production functions are integrated.
The purpose of this utility model, to be achieved by the following technical programs: the hot and cold water unit that is used for the ultra-pure water system, comprise plate type heat exchanger, the water inlet of described plate type heat exchanger is connected to prime equipment, the outlet pipe of described plate type heat exchanger is connected to rear class equipment, the medium import of described plate type heat exchanger connects heating agent or refrigerant by the medium pipeline, have additional the hot and cold water unit between described plate type heat exchanger and thermal source or low-temperature receiver, the water inlet of described hot and cold water unit is connected to water inlet pipe, and described water inlet pipe is connected to heating agent or refrigerant place; The delivery port of described hot and cold water unit is connected to outlet pipe, and described outlet pipe is connected to the medium interface place of plate type heat exchanger.
The technical scheme that the utility model further limits is: aforesaid hot and cold water unit for the ultra-pure water system, the water inlet pipe of described hot and cold water unit is provided with water intaking valve.
Further, aforesaid hot and cold water unit for the ultra-pure water system, the outlet pipe of described hot and cold water unit is provided with back-water valve (BWV).
Further, aforesaid hot and cold water unit for the ultra-pure water system, the medium pipeline of described plate type heat exchanger is provided with temp. automatic control valve.
Outstanding effect of the present utility model is: the utility model is realized need not to rely on medium to conduct heat or freezing by increasing the hot and cold water unit.Simultaneously, hot and cold water unit unit integrates refrigeration, heat-production functions, gets final product cooling, but again heat supply can realize that be system's cooling summer, and be that system heats up a tractor serves several purposes winter.Therefore, the hot and cold water unit normally not only without heating boiler, but also without heat supply heat supply network or other reliable and stable thermal source, but require the scheme preferentially selected in the constant temperature design.And by setting up temp .-control valve at plate type heat exchanger medium pipeline, the practicable automatic switchover of heating agent and refrigerant, very convenient.
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present utility model is described in further detail, so that technical solutions of the utility model are easier to understand, grasp.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
A kind of hot and cold water unit for the ultra-pure water system that the present embodiment provides, structure as shown in Figure 1, comprise plate type heat exchanger 1, the water inlet of this plate type heat exchanger is connected to water inlet pipe by the water inlet stainless steel pipes, water inlet pipe is connected to prime equipment, and water inlet pipe is provided with valve V1, and the delivery port of plate type heat exchanger is by water outlet stainless steel pipes connected water outlet pipe, outlet pipe is connected to rear class equipment, and is provided with equally valve V1 on the outlet pipe.Plate type heat exchanger the medium import connect heating agent or refrigerant by the medium pipeline, be provided with successively heating agent or refrigerant water inlet hand control valve V4 and temperature control valve V2 on the medium pipeline, and be provided with y-type filter V3 between heating agent or refrigerant water inlet hand control valve V4 and the temperature control valve V2.Simultaneously, have additional hot and cold water unit 2 between plate type heat exchanger and thermal source or low-temperature receiver, the water inlet of hot and cold water unit is connected to water inlet pipe, and this water inlet pipe is connected to heating agent or refrigerant place, and is provided with heating agent or refrigerant water intake ball valve V6 at the water inlet pipe of hot and cold water unit; Simultaneously, the delivery port of hot and cold water unit is connected to outlet pipe, and this outlet pipe is connected to the medium interface place of plate type heat exchanger, and the outlet pipe of hot and cold water unit is provided with heating agent or refrigerant backwater ball valve V7.All be provided with thermometer 3 on the outlet pipe of plate type heat exchanger and the medium pipeline.Thermometer communication on the outlet pipe of temperature control valve V2 and plate type heat exchanger is connected.Be connected to bypass pipe between plate type heat exchanger water inlet pipe and the outlet pipe, bypass pipe is provided with by-passing valve V1.
The refrigeration work principle of hot and cold water unit is: cold recycle compressor sucks the compressed superheated steam that becomes HTHP of low area overheat refrigerant vapour in the dry evaporator, in condenser, emit heat to environment, thereby be condensed into saturated or excessively cold refrigerant liquid, flow into dry evaporator through the expansion valve reducing pressure by regulating flow, after in dry evaporator, absorbing the heat vaporization of chilled water, sucked compression by compressor again.Begun new circulation.Like this, the chilled water of process dry evaporator is cooled, and is access in the plate type heat exchanger refrigerant pipe.It heats operation principle: by heating tube medium is carried out the overflow-type heating.The utility model is realized need not to rely on medium to conduct heat or freezing by increasing the hot and cold water unit.Simultaneously, hot and cold water unit unit integrates refrigeration, heat-production functions, gets final product cooling, but again heat supply can realize that be system's cooling summer, and be that system heats up a tractor serves several purposes winter.Therefore, the hot and cold water unit normally not only without heating boiler, but also without heat supply heat supply network or other reliable and stable thermal source, but require the scheme preferentially selected in the constant temperature design.And by setting up temp .-control valve at plate type heat exchanger medium pipeline, the practicable automatic switchover of heating agent and refrigerant, very convenient.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. the hot and cold water unit that is used for the ultra-pure water system, comprise plate type heat exchanger, the water inlet of described plate type heat exchanger is connected to prime equipment, the outlet pipe of described plate type heat exchanger is connected to rear class equipment, the medium import of described plate type heat exchanger connects heating agent or refrigerant by the medium pipeline, it is characterized in that: have additional the hot and cold water unit between described plate type heat exchanger and thermal source or low-temperature receiver, the water inlet of described hot and cold water unit is connected to water inlet pipe, and described water inlet pipe is connected to heating agent or refrigerant place; The delivery port of described hot and cold water unit is connected to outlet pipe, and described outlet pipe is connected to the medium interface place of plate type heat exchanger.
2. the hot and cold water unit for the ultra-pure water system according to claim 1, it is characterized in that: the water inlet pipe of described hot and cold water unit is provided with water intaking valve.
3. the hot and cold water unit for the ultra-pure water system according to claim 1, it is characterized in that: the outlet pipe of described hot and cold water unit is provided with back-water valve (BWV).
4. the hot and cold water unit for the ultra-pure water system according to claim 1, it is characterized in that: the medium pipeline of described plate type heat exchanger is provided with temp. automatic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220428180.XU CN202757345U (en) | 2012-08-28 | 2012-08-28 | Water cooling and heating unit for ultrapure water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220428180.XU CN202757345U (en) | 2012-08-28 | 2012-08-28 | Water cooling and heating unit for ultrapure water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757345U true CN202757345U (en) | 2013-02-27 |
Family
ID=47736522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220428180.XU Expired - Lifetime CN202757345U (en) | 2012-08-28 | 2012-08-28 | Water cooling and heating unit for ultrapure water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757345U (en) |
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2012
- 2012-08-28 CN CN201220428180.XU patent/CN202757345U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |