CN201476682U - Dynamic flow temperature control system of heat exchanger unit - Google Patents
Dynamic flow temperature control system of heat exchanger unit Download PDFInfo
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- CN201476682U CN201476682U CN2009201886654U CN200920188665U CN201476682U CN 201476682 U CN201476682 U CN 201476682U CN 2009201886654 U CN2009201886654 U CN 2009201886654U CN 200920188665 U CN200920188665 U CN 200920188665U CN 201476682 U CN201476682 U CN 201476682U
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- temperature
- valve
- dynamic flow
- water
- temperature control
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Abstract
The utility model relates to a dynamic flow temperature control system of a heat exchanger unit. The system includes two electric valves arranged on a cold/hot source return water pipeline of the heat exchanger unit, wherein one is a temperature control valve used for temperature adjustment and control, a water inlet of the temperature control valve is connected with a cold/hot source water supply main/branch pipe, and a water outlet is connected with a heat exchanger primary side water inlet; and the other one is a dynamic flow balance valve used for dynamically adjusting pipeline differential pressure and bypass flow, a water inlet of the dynamic flow balance valve is connected with a water inlet of the temperature control valve, and a water outlet is connected with a heat exchanger primary side water outlet and connected into the cold/hot source return water main pipe. According to the technical scheme, the dynamic flow temperature control system can finely adjust technical circulating water (secondary side) outflow temperature to any temperature point under the load from 0% to 100%, reduce the pipeline energy consumption of the cold/hot source (primary side) at the same time, and efficiently protect an adjusting valve.
Description
Technical field
The utility model relates to heat exchange unit temperature technology, relates in particular to a kind of intelligent heat exchange unit dynamic flow temperature control system.
Background technology
The heat exchange unit is that a kind of integrated heat exchanger, circulating pump, small pump (being used for closed system), instrument, sensor, electrical control, valve, pipeline are in the electromechanics equipment of one, its groundwork principle be self cooling (heat) source in the future energy by the heat exchanger continuous controllable pass to destination media (as recirculated water), to satisfy the requirement of process refrigeration/heat, can be widely used in numerous areas such as central refrigerating/heat, technology cooling, domestic hot-water, winter saving energy, heat energy recovery.
In the prior art, throttling temperature control method is adopted in the temperature control of heat exchange unit usually, promptly the rate-of flow that limits the heat exchanger of flowing through of the mode by throttling is controlled temperature, mainly advance by being installed in cold/heat source (abbreviation primary side)/temperature-sensing valve on the return main realizes, realization is to the function of the leaving water temperature indirect regulation of process recycled water (abbreviation secondary side), and temperature-sensing valve comes opening/shutting valve (throttling) work by the temperature control conditioning signal of controller; Yet this throttling temperature control method exists, and the fine tune temperature difficulty is big, the pipe throttle loss, and the spool High Pressure Difference, opens and closes impact of water hammer etc. to valve, the easy hurtful defective of pipeline.
The utility model content
The purpose of this utility model provides a kind of dynamic flow temperature control system of heat exchange unit, the problem that exists with the throttling temperature control mode that solves heat exchange unit in the prior art.
In order to achieve the above object, the technical solution of the utility model proposes a kind of dynamic flow temperature control system of heat exchange unit, this system is included in two electrically operated valves that are provided with on the heat exchange unit cold/heat source confession water return pipeline: one of them is for being used for temperature controlled temperature-sensing valve, and the water inlet of described temperature-sensing valve and the cold/heat source total/arm that supplies water is connected, and delivery port is connected with heat exchanger primary side water inlet; Another is the dynamic flow balance valve that is used for dynamic adjustments pipeline differential pressure and bypass flow, and the water inlet of described dynamic flow balance valve is connected with the water inlet of described temperature-sensing valve, and delivery port is connected with the primary side delivery port of described heat exchanger and inserts the cold/heat source return main.
Also comprise in the above-mentioned dynamic flow temperature control system: being located at process recycled water advances/water outlet is total/temperature sensor, pressure sensor, differential pressure pick-up and corresponding transmitter on the arm, be located at cold/heat source for backwater total/temperature sensor, pressure sensor, differential pressure pick-up and corresponding transmitter on the arm, be located at the valve position sensor on the described temperature-sensing valve, and the control host computer.
In the above-mentioned dynamic flow temperature control system, described temperature-sensing valve is by being controlled from the signal of the temperature signal on the process recycled water outfall sewer after described control host computer is handled.
In the above-mentioned dynamic flow temperature control system, described dynamic flow balance valve origin is self cooling/thermal source for backwater total/temperature signal, pressure signal on the arm controlled together with the signal of valve position signal after the integrated treatment of described control host computer of temperature signal on the process recycled water outfall sewer and temperature-sensing valve.
In the above-mentioned dynamic flow temperature control system, described temperature-sensing valve and dynamic flow balance valve are electric two-way valve or electric T-shaped valve.
The dynamic flow temperature control system that technical solutions of the utility model provide; can realize the accurate control of process recycled water (secondary side) leaving water temperature on arbitrary temp point under 0%～100% loading condiction; reduce the pipeline loss of cold/heat source (primary side) simultaneously, and can the Reasonable Protection control valve.Require under the condition of lower temperature or winter during as energy-conservation heat exchange or under the production line stop state at process recycled water (secondary side) leaving water temperature; the secondary side cyclic water outlet temperature of this unit can accurately be regulated all the time, the low excessively phenomenon that causes the production line dewfall of temperature can not occur.
Description of drawings
Fig. 1 is the dynamic flow temperature control system example structure figure of the utility model heat exchange unit.
The specific embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 is the dynamic flow temperature control system example structure figure of the utility model heat exchange unit, as shown in the figure, the dynamic flow temperature control system of present embodiment, be included in a pair of electric two-way valve/triple valve that is provided with on the heat exchange unit cold/heat source confession water return pipeline: one of them is for being used for temperature controlled temperature-sensing valve 11, and the water inlet of temperature-sensing valve 11 and the cold/heat source total/arm that supplies water is connected, delivery port be connected with heat exchanger 13 water inlets (pipeline fittings that the centre should be necessary, for example valve etc.); Another is to be used for the dynamic flow balance valve 12 that dynamic flow is regulated, and the water inlet of dynamic flow balance valve 12 is connected with the water inlet of temperature-sensing valve 11, and the delivery port of delivery port and heat exchanger 13 is connected and inserts the cold/heat source return main through the pipeline fittings (as valve) of necessity.
In addition, the system of present embodiment also comprises: be located at cold/heat source for backwater total/temperature sensor T on the arm
1, T
2And pressure sensor P
1, P
2, be located at the valve position sensor D on temperature-sensing valve 11 and the dynamic flow balance valve 12
1, D
2, be located at temperature sensor and pressure sensor T on the process recycled water outfall sewer
3, P
3, and control host computer 14.Wherein, temperature-sensing valve 11 is by from the temperature signal T on the process recycled water outfall sewer
3Signal after control host computer 14 is handled is controlled, and concrete control comprises: T
3Temperature-sensing valve 11 apertures are big more when high more, T
3Hour temperature-sensing valve 11 apertures are more little more.On the other hand, 12 origin of dynamic flow balance valve self cooling/thermal source for backwater total/temperature signal T on the arm
1﹠amp; T
2, pressure signal P
1﹠amp; P
2Together with the temperature signal T on the process recycled water outfall sewer
3And the valve position signal D of temperature-sensing valve
1Signal after host computer 14 integrated treatments is controlled, and concrete control comprises: at T
3During increase, temperature-sensing valve 11 will increase synchronously, and dynamic flow balance valve 12 will begin to reduce aperture according to the signal of host computer 14, with keep for backwater total/arm pressure differential deltap P (P
1, P
2Poor) and flow near constant; At T
3When reducing, temperature-sensing valve 11 will reduce synchronously, and dynamic flow balance valve 12 will begin to increase aperture according to the signal of host computer 14, with keep for backwater total/arm pressure differential deltap P (P
1, P
2Poor) and flow near constant; Valve position sensor signal D
1And D
2Be used to show and the aperture of certificated valve and the corresponding relation of Δ T (T1, T2's is poor), Δ P variation, to eliminate the valve event deviation.
In sum; the dynamic flow temperature control system that technical solutions of the utility model provide; can realize the accurate control of process recycled water (secondary side) leaving water temperature on arbitrary temp point under 0%～100% loading condiction; reduce the pipeline loss of cold/heat source (primary side) simultaneously, and can the Reasonable Protection control valve.Require under the condition of lower temperature or winter during as energy-conservation heat exchange or under the production line stop state at process recycled water (secondary side) leaving water temperature; the secondary side cyclic water outlet temperature of this unit can accurately be regulated all the time, the low excessively phenomenon that causes the production line dewfall of temperature can not occur.
More than be preferred forms of the present utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can expect some identical, replacement schemes apparently, all should fall into the scope of the utility model protection.
Claims (5)
1. the dynamic flow temperature control system of a heat exchange unit, it is characterized in that, this system is included in two electrically operated valves that are provided with on the heat exchange unit cold/heat source confession water return pipeline: one of them is for being used for temperature controlled temperature-sensing valve, and the water inlet of described temperature-sensing valve and the cold/heat source total/arm that supplies water is connected, and delivery port is connected with heat exchanger primary side water inlet; Another is the dynamic flow balance valve that is used for dynamic adjustments pipeline differential pressure and bypass flow, and the water inlet of described dynamic flow balance valve is connected with the water inlet of described temperature-sensing valve, and delivery port is connected with the primary side delivery port of described heat exchanger and inserts the cold/heat source return main.
2. dynamic flow temperature control system as claimed in claim 1, it is characterized in that, this system also comprises: being located at process recycled water advances/water outlet is total/and temperature sensor, pressure sensor, differential pressure pick-up and corresponding transmitter on the arm, be located at cold/heat source for backwater total/temperature sensor, pressure sensor, differential pressure pick-up and corresponding transmitter on the arm, be located at the valve position sensor on the described temperature-sensing valve, and the control host computer.
3. dynamic flow temperature control system as claimed in claim 2 is characterized in that, described temperature-sensing valve is by being controlled from the signal of the temperature signal on the process recycled water outfall sewer after described control host computer is handled.
4. dynamic flow temperature control system as claimed in claim 2, it is characterized in that, described dynamic flow balance valve origin is self cooling/thermal source for backwater total/temperature signal, pressure signal on the arm controlled together with the signal of valve position signal after the integrated treatment of described control host computer of temperature signal on the process recycled water outfall sewer and temperature-sensing valve.
5. as the described dynamic flow temperature control system of one of claim 1～4, it is characterized in that described temperature-sensing valve and dynamic flow balance valve are electric two-way valve or electric T-shaped valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886654U CN201476682U (en) | 2009-08-19 | 2009-08-19 | Dynamic flow temperature control system of heat exchanger unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886654U CN201476682U (en) | 2009-08-19 | 2009-08-19 | Dynamic flow temperature control system of heat exchanger unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476682U true CN201476682U (en) | 2010-05-19 |
Family
ID=42412932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201886654U Expired - Fee Related CN201476682U (en) | 2009-08-19 | 2009-08-19 | Dynamic flow temperature control system of heat exchanger unit |
Country Status (1)
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|---|---|
| CN (1) | CN201476682U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478371A (en) * | 2010-11-29 | 2012-05-30 | 李文涛 | Automatic control system of heat exchanger |
| CN103217058A (en) * | 2013-04-19 | 2013-07-24 | 无锡溥汇机械科技有限公司 | Chiller heat exchanging amount control system |
| CN105277007A (en) * | 2015-09-28 | 2016-01-27 | 夏烬楚 | Control system and method for novel graphite condenser |
| CN105745510A (en) * | 2013-11-28 | 2016-07-06 | 阿尔法拉瓦尔股份有限公司 | System and method for dynamic control of a heat exchanger |
| CN107860252A (en) * | 2017-09-28 | 2018-03-30 | 上海柯垓冷却技术有限公司 | Heat-exchange system and heat exchange control |
| CN108050879A (en) * | 2017-12-28 | 2018-05-18 | 广东申菱环境系统股份有限公司 | A kind of cold Distributed Control System of liquid and control method |
-
2009
- 2009-08-19 CN CN2009201886654U patent/CN201476682U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478371A (en) * | 2010-11-29 | 2012-05-30 | 李文涛 | Automatic control system of heat exchanger |
| CN103217058A (en) * | 2013-04-19 | 2013-07-24 | 无锡溥汇机械科技有限公司 | Chiller heat exchanging amount control system |
| CN105745510A (en) * | 2013-11-28 | 2016-07-06 | 阿尔法拉瓦尔股份有限公司 | System and method for dynamic control of a heat exchanger |
| CN105745510B (en) * | 2013-11-28 | 2017-09-19 | 阿尔法拉瓦尔股份有限公司 | System and method for the dynamic control of heat exchanger |
| CN105277007A (en) * | 2015-09-28 | 2016-01-27 | 夏烬楚 | Control system and method for novel graphite condenser |
| CN107860252A (en) * | 2017-09-28 | 2018-03-30 | 上海柯垓冷却技术有限公司 | Heat-exchange system and heat exchange control |
| CN107860252B (en) * | 2017-09-28 | 2019-09-20 | 上海柯垓冷却技术有限公司 | Heat-exchange system and heat exchange control |
| CN108050879A (en) * | 2017-12-28 | 2018-05-18 | 广东申菱环境系统股份有限公司 | A kind of cold Distributed Control System of liquid and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Chilltech Air-Conditioning & Refrigerating Product Co.,Ltd. Assignor: Yu Hong Contract record no.: 2012320000422 Denomination of utility model: Dynamic flow temperature control system of heat exchanger unit Granted publication date: 20100519 License type: Exclusive License Record date: 20120409 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130819 |