CN204555205U - The thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners - Google Patents
The thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners Download PDFInfo
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- CN204555205U CN204555205U CN201520250548.1U CN201520250548U CN204555205U CN 204555205 U CN204555205 U CN 204555205U CN 201520250548 U CN201520250548 U CN 201520250548U CN 204555205 U CN204555205 U CN 204555205U
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- stop valve
- heat exchanger
- valve
- water
- feed pipe
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Abstract
The utility model discloses the thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners, comprise cold source equipment, heat exchanger and proportion adjustment control device: cold source equipment: comprise a cold water storage cistern, in cold water storage cistern, heat exchanger is installed, heat exchanger is connected with liquefied ammonia feed pipe and ammonia muffler, described liquefied ammonia feed pipe is provided with feed flow choke valve, described ammonia muffler is provided with return-air stop valve; Heat exchanger to be connected with cold water storage cistern by chilled water feed pipe and return pipe and to form water flow circuits; Chilled water feed pipe is provided with proportion adjustment control device.The utility model usage ratio control set for adjusting realizes the control to temperature in workshop, and manipulation is convenient.The utility model can by workshop temperature constant within the scope of temperature required upper and lower 1 DEG C, and compared with prior art, temperature controls more accurate.
Description
Technical field
The utility model relates to Meat processing apparatus field, is specifically related to a kind of Meat processing workshop Temperature-controlled appliance.
Background technology
The process of existing Meat processing workshop air is that after directly carrying out heat exchange with air by cold-producing medium in air processing machine or evaporimeter, cold air is sent into workshop to regulate indoor temperature, the cold-producing medium of use is generally ammonia cryogen.Realize the control to workshop temperature by means of only the liquid supply rate of manual adjustment refrigeration system and the start and stop of refrigeration unit or energy adjustment in prior art, its temperature controls just to put, and generally has the temperature difference of 5-7 DEG C, can not realize thermostatic control.And the control of job shop temperature directly has influence on the quality of meat product, furtherly, larger temperature fluctuation can reduce the quality of meat product.
Summary of the invention
Given this, the utility model object is that providing a kind of can be the control appliance of Meat processing workshop maintenance constant temperature.
For solving above technical problem, the technical scheme that the utility model provides is, provides the thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners, comprises cold source equipment, heat exchanger and proportion adjustment control device:
Cold source equipment: comprise a cold water storage cistern, be provided with heat exchanger in cold water storage cistern, heat exchanger is connected with liquefied ammonia feed pipe and ammonia muffler, and described liquefied ammonia feed pipe is provided with feed flow choke valve, and described ammonia muffler is provided with return-air stop valve;
Heat exchanger to be connected with cold water storage cistern by chilled water feed pipe and return pipe and to form water flow circuits; Chilled water feed pipe is provided with proportion adjustment control device.
Further, described proportion adjustment control device is made up of ratio adjusting valve and proportion adjustment controller, and described proportion adjustment controller connects temperature sensor.
Further, described chilled water feed pipe is provided with the first stop valve, water pump, the second stop valve, ratio adjusting valve, the 3rd stop valve and the first Pressure gauge successively along water (flow) direction, and the second stop valve, ratio adjusting valve and the 3rd stop valve are in parallel with by-passing valve.
Preferably, described heat exchanger, the second stop valve, ratio adjusting valve, the 3rd stop valve, the first Pressure gauge, by-passing valve and temperature sensor are arranged in workshop.
Further, described return pipe is provided with the second Pressure gauge, the 4th stop valve and the 5th stop valve successively along water (flow) direction.
Preferably, described second Pressure gauge and the 4th stop valve are arranged in workshop.
Compared with prior art, a technical scheme tool in technique scheme has the following advantages:
1, the utility model usage ratio control set for adjusting realizes the control to temperature in workshop, and manipulation is convenient.
2, first use liquid nitrogen frozen water, chilled water sends into workshop by water circulating pump, and heat exchanger and air carry out heat exchange, regulate workshop temperature with this.Chilled water is produced by ammonia refrigeration system, by Artificial Control 3-9 ° of C scope.By ratio adjusting valve, temperature sensor, the thermostatic control of proportion adjustment control device realization to temperature in workshop.Proportion adjustment control device is existing equipment, as proportional integral temperature controller; Ratio adjusting valve is existing equipment equally, as two-way electronic valve.Temperature sensor is sent to proportional integral temperature controller the temperature signal detected, by proportional integral temperature controller, temperature sensor detected value is constantly compared with setting value, constantly output signal simultaneously, control the aperture continuously adjustabe of two-way electronic valve, steady adjustment cold water, reaches constant temperature object.
3, the utility model can by workshop temperature constant within the scope of temperature required upper and lower 1 DEG C, and compared with prior art, temperature controls more accurate.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model one preferred embodiment.
1 cold water storage cistern in figure, 11 heat exchangers, 12 liquefied ammonia feed pipes, 121 feed flow choke valves, 13 ammonia mufflers, 131 return-air stop valves, 2 workshops, 21 heat exchangers, 22 chilled water feed pipes, 221 first stop valves, 222 water pumps, 223 second stop valves, 224 ratio adjusting valves, 225 the 3rd stop valves, 226 by-passing valves, 227 first Pressure gauges, 23 return pipes, 231 second Pressure gauges, 232 the 4th stop valves, 233 the 5th stop valves, 24 temperature sensors, 25 proportion adjustment controllers.
Detailed description of the invention
Be described below in conjunction with accompanying drawing and a specific embodiment.
See Fig. 1.The thermostatic control system of the Meat processing workshop Water cooled air conditioners described by the present embodiment, comprises cold source equipment, heat exchanger and proportion adjustment control device.
Cold source equipment comprises a cold water storage cistern 1, is provided with heat exchanger 11 in cold water storage cistern, and heat exchanger 11 is evaporimeter.Heat exchanger 11 is connected with liquefied ammonia feed pipe 12 and ammonia muffler 13, and described liquefied ammonia feed pipe 12 is provided with feed flow choke valve 121, and described ammonia muffler 13 is provided with return-air stop valve 131.Liquid nitrogen can be provided by high pressure liquid storing barrel, liquefied ammonia sends into the evaporimeter in cold water storage cistern after feed flow choke valve 121 throttling, after evaporimeter carries out heat exchange, be evacuated to refrigeration compressor and carry out adiabatic compression, high temperature and high pressure gas after compression is cooled to after liquid through condenser and is back to high pressure liquid storing barrel, completes kind of refrigeration cycle.
Heat exchanger 21 to be connected with cold water storage cistern 1 by chilled water feed pipe 22 and return pipe 23 and to form water flow circuits.
Chilled water feed pipe 22 is provided with proportion adjustment control device.Proportion adjustment control device is made up of ratio adjusting valve 224 and proportion adjustment controller 25, and described proportion adjustment controller 25 connects temperature sensor 24.Ratio adjusting valve 224 is two-way electronic valve, and proportion adjustment controller 25 is proportional integral temperature controller.Proportional integral temperature controller is by 220V Power supply, temperature sensor is sent to proportional integral temperature controller the temperature signal detected, by proportional integral temperature controller, temperature sensor detected value is constantly compared with setting value, constantly output signal simultaneously, control the aperture of two-way electronic valve, thus control the flow of chilled water, and then reach the object regulating temperature.
Described chilled water feed pipe 22 is provided with the first stop valve 221, water pump 222, second stop valve 223, ratio adjusting valve 224, the 3rd stop valve 225 and the first Pressure gauge 227, second stop valve 223, ratio adjusting valve 224 and the 3rd stop valve 225 successively along water (flow) direction in parallel with by-passing valve 226.When ratio adjusting valve 224 in case of a failure, close the second stop valve 223 and the 3rd stop valve 225, manual adjustments by-passing valve 226 interim heat exchanger conveying chilled water.Heat exchanger 21, second stop valve 223, ratio adjusting valve 224, the 3rd stop valve 225, first Pressure gauge 227, by-passing valve 226 and temperature sensor 24 are arranged in workshop 2.
Described return pipe 23 is provided with the second Pressure gauge 231, the 4th stop valve 232 and the 5th stop valve 233 successively along water (flow) direction.Second Pressure gauge 231 and the 4th stop valve 232 are arranged in workshop 2.
Heat exchanger 21 is air-treatment unit, and cold water storage cistern to air-treatment unit conveying 3-9 DEG C of chilled water by chilled water feed pipe, after air-treatment unit carries out heat exchange, is got back to cold water storage cistern through return pipe, realized water circulation.
Below be only preferred embodiment of the present utility model, it should be pointed out that above-mentioned preferred embodiment should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a thermostatic control system for Meat processing workshop Water cooled air conditioners, is characterized in that, comprises cold source equipment, heat exchanger and proportion adjustment control device:
Cold source equipment: comprise a cold water storage cistern (1), heat exchanger (11) is installed in cold water storage cistern, heat exchanger (11) is connected with liquefied ammonia feed pipe (12) and ammonia muffler (13), described liquefied ammonia feed pipe (12) is provided with feed flow choke valve (121), described ammonia muffler (13) is provided with return-air stop valve (131);
Heat exchanger (21) is connected and forms water flow circuits with return pipe (23) with cold water storage cistern (1) by chilled water feed pipe (22); (22) are provided with proportion adjustment control device with chilled water feed pipe.
2. the thermostatic control system of Meat processing workshop according to claim 1 Water cooled air conditioners, it is characterized in that, described proportion adjustment control device is made up of ratio adjusting valve (224) and proportion adjustment controller (25), and described proportion adjustment controller (25) connects temperature sensor (24).
3. the thermostatic control system of Meat processing workshop according to claim 2 Water cooled air conditioners, it is characterized in that, described chilled water feed pipe (22) is provided with the first stop valve (221), water pump (222), the second stop valve (223), ratio adjusting valve (224), the 3rd stop valve (225) and the first Pressure gauge (227) successively along water (flow) direction, and the second stop valve (223), ratio adjusting valve (224) and the 3rd stop valve (225) are in parallel with by-passing valve (226).
4. the thermostatic control system of Meat processing workshop according to claim 1 Water cooled air conditioners, it is characterized in that, described heat exchanger (21), the second stop valve (223), ratio adjusting valve (224), the 3rd stop valve (225), the first Pressure gauge (227), by-passing valve (226) and temperature sensor (24) are arranged in workshop (2).
5. the thermostatic control system of Meat processing workshop according to claim 1 Water cooled air conditioners, it is characterized in that, described return pipe (23) is provided with the second Pressure gauge (231), the 4th stop valve (232) and the 5th stop valve (233) successively along water (flow) direction.
6. the thermostatic control system of Meat processing workshop according to claim 5 Water cooled air conditioners, is characterized in that, described second Pressure gauge (231) and the 4th stop valve (232) are arranged in workshop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250548.1U CN204555205U (en) | 2015-04-23 | 2015-04-23 | The thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250548.1U CN204555205U (en) | 2015-04-23 | 2015-04-23 | The thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204555205U true CN204555205U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520250548.1U Expired - Fee Related CN204555205U (en) | 2015-04-23 | 2015-04-23 | The thermostatic control system of a kind of Meat processing workshop Water cooled air conditioners |
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| Country | Link |
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| CN (1) | CN204555205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371588A (en) * | 2015-12-02 | 2016-03-02 | 无锡拓能自动化科技有限公司 | Workshop chilled water control method |
-
2015
- 2015-04-23 CN CN201520250548.1U patent/CN204555205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371588A (en) * | 2015-12-02 | 2016-03-02 | 无锡拓能自动化科技有限公司 | Workshop chilled water control method |
| CN105371588B (en) * | 2015-12-02 | 2017-11-10 | 陈根旺 | A kind of workshop freezes water controling method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180423 |