CN200975814Y - Water cooling machine for metallurgy rolled plate production line control instrumentation - Google Patents
Water cooling machine for metallurgy rolled plate production line control instrumentation Download PDFInfo
- Publication number
- CN200975814Y CN200975814Y CN 200620026894 CN200620026894U CN200975814Y CN 200975814 Y CN200975814 Y CN 200975814Y CN 200620026894 CN200620026894 CN 200620026894 CN 200620026894 U CN200620026894 U CN 200620026894U CN 200975814 Y CN200975814 Y CN 200975814Y
- Authority
- CN
- China
- Prior art keywords
- cooling
- compressor
- water
- type evaporator
- sensor
- 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
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model belongs to a cooling-water machine, which is composed of a case and a compressor in the case, a condenser and a plate type evaporator, and the refrigeration power of the compressor is 1.25 to 2 times of the nominal design value, and the heat emission area of the condenser is 1.25 to 2.5 times of the nominal design value, and the heat exchange output of the plate type evaporator is 1.25 to 2 times of the nominal design value; a electronic expanding valve is positioned between a filter at the outlet of the condenser and the cooling medium inlet of the plate type evaporator; a multifunctional controller which can be used to communicated is arranged in the case, and the communications port of the multifunctional controller is connected with a remote microcomputer used to monitor. The practical refrigerating output of the cooling-water machine is enough to counteract the practical temperature rise of a detection and controlling instrument which works in the rugged environment of high temperature, high pressure and a plurality of dust, and make temperature difference of the cooling water controlled within plus or minus 0.1 DEG C, and fast and accurately regulate the temperature of the cooling water. The cooling-water machine has the function of timely, conveniently and safely monitoring at the remote end, which alleviates intensity of labor of the inspectors and also contributes to avoid deleterious radiation of the ray sent out by the detection and controlling instrument for the inspectors.
Description
Technical field
The utility model belongs to cooling-water machine, particularly relates to metallurgy and rolls board assembly line control instrument cooling-water machine.
Background technology
Cooling-water machine is to ensure to roll the key equipment of plate quality index, and its effect is to make the various detection control instruments that roll board assembly line particularly calibrator, laser velocimeter etc. move in substantially invariable operating temperature.Show that according to the cooling-water machine data of introducing the cooling range scope that cooling-water machine provides, that temperature can be set can guarantee to roll quality index such as the thickness, width, convexity of plate in the time of ± 0.1 ℃.
The very fast metallurgy of present domestic development rolls plate industry and still is in and only has high yield and lack the high-quality stage, and homemade cooling-water machine accuracy of temperature control scope only is ± 1-2 ℃ is to lack the one of the main reasons that high-quality rolls plate.For this reason, domestic rolling in introduction also introduced cooling-water machine when board assembly line detects control instrument.
The cooling-water machine of introducing, its basic structure comprises compressor, condenser and the plate-type evaporator that is communicated with successively by pipeline.Compressor adopts variable-frequency power sources, be provided with the thermal compensation by-passing valve between compressor outlet and the plate-type evaporator refrigerant inlet, its pressure guiding pipe is connected in the suction port of compressor end, and the control signal of compressor variable frequency power is taken from low, the gases at high pressure sensor that compressor is gone into, exported respectively by the PID controller.Condenser is provided with the air-cooled blower fan of frequency conversion, be provided with fluid reservoir, filter and heating power expansion valve successively between condensator outlet and the plate-type evaporator refrigerant inlet, the water return outlet of cooling-water machine casing is provided with water tank between the plate-type evaporator recirculated water inlet, is provided with cooling-water temperature sensor, pump, current quantitative change between the delivery port of plate-type evaporator circulating water outlet and casing successively and send sensor and hydraulic pressure quantitative change to send sensor.The control signal of frequency conversion fan and heating power expansion valve is taken from cooling-water temperature sensor in the circulating water channel by the PID controller, and the current quantitative change is sent sensor and hydraulic pressure quantitative change to send sensor output signal to be connected to corresponding instrument via the conversion of PID controller to show.
The cooling-water machine ubiquity of above-mentioned introduction the domestic practical problem of rolling the board assembly line environment for use of incompatibility, the refrigerating capacity that shows cooling-water machine under high temperature, high humidity, the high dust atmosphere can not satisfy offsets the needs that detect the control instrument temperature rise, make the cooling range scope obviously exceed ± 0.1 ℃; Show also that simultaneously cooling water temperature regulates slowly, especially need just can make cooling water reach design temperature running time in advance more than 1 hour.In addition, cause production accident for preventing that cooling-water machine breaks down in adverse circumstances, roll board assembly line and all set up the strict timing system of inspection tours for example at interval 1 hour, not only increased the personnel's that make an inspection tour labour intensity, be unfavorable for that also the tour personnel avoid detecting the harmful radiation of control instrument work ray as far as possible.
Summary of the invention
The utility model is the technical problem of rolling the board assembly line environment for use for the ubiquitous incompatibility of the cooling-water machine that solves above-mentioned introduction is domestic and regularly making an inspection tour, and rolls board assembly line control instrument cooling-water machine and propose a kind of metallurgy that can overcome described practical problem.
The utility model is taked following technical scheme for solving the problems of the technologies described above: this cooling-water machine comprises the compressor that is communicated with successively by pipeline in casing and the casing, condenser and plate-type evaporator, compressor is provided with the thermal compensation by-passing valve, condensator outlet is provided with fluid reservoir and filter successively, the water return outlet of casing is provided with water tank between plate-type evaporator recirculated water inlet, be provided with cooling-water temperature sensor between the delivery port of plate-type evaporator circulating water outlet and casing successively, pump, the current quantitative change send sensor and hydraulic pressure quantitative change to send sensor, it is characterized in that: the 1.25-2 that described compressor cooling power is the rated designs value doubly, the 2-2.5 that described condenser area of dissipation is the rated designs value doubly, condenser is provided with air-cooled blower fan, and the 1.25-2 that described plate-type evaporator heat exchange amount is the rated designs value doubly; Be provided with electric expansion valve between the filter of condensator outlet and the plate-type evaporator refrigerant inlet; But be provided with the communication multifunctional controller in the casing, its communication interface is connected in the remote monitoring microcomputer, cooling-water temperature sensor, sensor is sent in the current quantitative change, but the hydraulic pressure quantitative change send the analog quantity signal of telecommunication of sensor and the analog quantity signal of telecommunication of expression pump and compressor operating state to be connected in communication multifunctional controller communication interface respective end, the control microcomputer display interface is provided with corresponding to cooling-water temperature sensor, sensor is sent in the current quantitative change, the Sensor Analog Relay System amount is sent in the hydraulic pressure quantitative change, the display window of pump state and compressor state, but but electric expansion valve receives the aperture setting signal of communication multifunctional controller and/or control microcomputer output and the fine setting control signal corresponding to cooling-water temperature sensor of communication multifunctional controller output.
The utility model can also be taked following technical measures:
The air-cooled blower fan of described condenser is the level Four blower fan of 1400 rev/mins of turn ups at least.
Described fluid reservoir is exported to and is provided with the compressor protection gas circuit that filter, capillary and hydrops device by pipeline connection constitute between the suction port of compressor successively.
The beneficial effects of the utility model and advantage are: the compressor of this cooling-water machine, condenser and plate-type evaporator are by the design of overflow customization cold, configuration, its actual refrigerating capacity is enough to offset the actual temperature rise of the detection control instrument of working under high temperature, high humidity, the high dust adverse circumstances, cooling range can be controlled at ± 0.1 ℃ of scope in, therefore also simplify the structure, make compressor exempt variable-frequency power sources, the air-cooled blower fan of condenser release frequency conversion.This cooling-water machine adopts the mistake liquid measure of electronic expansion valve controls refrigerant, electric expansion valve reached for hundred steps from complete opening to the longest actuation time of closing fully less than 2 seconds and segmentation, to the cooling water temperature regulation and control rapidly, accurately, 10-20 minute cooling water of operation can reach design temperature before the production prerequisite.This cooling-water machine has in time, makes things convenient for, safe remote monitoring function, promptly alleviated the personnel's that make an inspection tour labour intensity, also helps the harmful radiation that the tour personnel avoid detecting control instrument work ray as far as possible.This cooling-water machine have cooling water temperature regulation and control rapidly, accurately and cost far below the outstanding advantage of introducing cooling-water machine.
Description of drawings
Accompanying drawing 1 the utility model structure principle chart.
Accompanying drawing 2 example structure schematic diagrames.
Number in the figure: 1 compressor, 2 condensers, 3 air-cooled blower fans, 4 fluid reservoirs, 5 filters, 6 electric expansion valves, 7 plate-type evaporators, 8 water tanks, 9 cooling-water temperature sensors, 10 pumps, sensor is sent in 11 current quantitative changes, and sensor is sent in 12 hydraulic pressure quantitative changes, 13 capillaries, 14 hydrops devices, 15 thermals source, but 16 communication multifunctional controllers, 17 remote monitoring microcomputers, 18 thermal compensation by-passing valves, 19 casings, 20 LCDs, 21 control switches, 22 power supply air switches, 23 water pressure gauges, 24 water flowmeters, 25 high pressure air gauges, 26 low-pressure gages, 27 window bars.
The specific embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
As shown in Figure 1, 2, be provided with the compressor 1, condenser 2 and the plate-type evaporator 7 that are communicated with successively by pipeline in this cooling-water machine casing 19, be provided with thermal compensation by-passing valve 18 between compressor 1 outlet and the plate-type evaporator 7 refrigerants inlet, its pressure guiding pipe is connected in the suction port of compressor end.Condenser 2 is exported between the plate-type evaporator 7 refrigerants inlet and is provided with fluid reservoir 4, filter 5 and electric expansion valve 6 successively, and Fig. 2 embodiment selects the magnetic force electric expansion valve for use.Condenser is provided with moderate breeze air-cooler 3.Connect condensator outlet fluid reservoir 4 its be exported to and be provided with the protection gas circuit that filter 5, capillary 13 and hydrops device 14 by pipeline connection constitute between compressor 1 inlet successively, prevent that compressor 1 is because of crossing cause thermal damage.The water return outlet of casing 19 is provided with water tank 8 between the plate-type evaporator 7 recirculated waters inlets, is provided with cooling-water temperature sensor 9, pump 10, current quantitative change between the delivery port of plate-type evaporator 7 circulating water outlets and casing successively and send sensor 11 and hydraulic pressure quantitative change to send sensor 12.But be provided with communication multifunctional controller 16 in the casing, its communication interface is connected in the control microcomputer 17 of far-end.But casing 19 fronts are provided with LCDs 20, control switch 21, interlocking-type power supply air switch 22, water pressure gauge 23, water flowmeter 24, high pressure air gauge 25 and the low-pressure gage 26 of the window bar 27 communication multifunctional controllers 16 of condenser, delivery port, water return outlet are located at the back side of casing 19, and delivery port, water return outlet connect thermal source 15 by pipeline and promptly detect control instrument.Water pressure gauge 23, water flowmeter 24 are connected in the inboard of delivery port by pipeline, and high pressure air gauge 25 and low-pressure gage 26 are connected to compressor 1 outlet and inlet by pipeline.
Embodiment is disposed at the cooling-water machine that rolls board assembly line separate unit calibrator that required cooling power is 4KW as shown in Figure 2, and the specified refrigeration work consumption of its compressor is that design load is 4KW, and present embodiment employing refrigeration work consumption is the compressor of 6KW, is 1.5 times of design load.The rated designs value of condenser area of dissipation is 30M
2, and the actual employing of present embodiment 72M
2, near 2.3 times of design load.Plate-type evaporator heat exchange amount rated designs value is 4KW, and the actual employing of present embodiment 6KW, is 1.5 times of design load.
But cooling-water temperature sensor 9 as shown in Figure 1, current quantitative change send the analog quantity signal of telecommunication that sensor 11, hydraulic pressure quantitative change send sensor 12 and expression pump 10 and the analog quantity signal of telecommunication of compressor 1 duty to be connected to the communication interface of communication multifunctional controller, after via controller is handled, wherein the output analog signal corresponding to cooling-water temperature sensor is connected in electric expansion valve as fine adjustment signal, but and send the LCDs 20 of communication multifunctional controller to supply to show.The analog signal of all the other outputs is connected to LCDs 20 respectively for showing.Expression pump 10 is the voltage of expression " opening ", " pass " with the analog quantity of compressor 1 duty, an identical movable contact of taking from each power contactor respectively with prior art.
But its communication interface of communication multifunctional controller is connected in the remote monitoring microcomputer, but the analog quantity signal of telecommunication of aforementioned each Sensor Analog Relay System amount signal of telecommunication and expression pump and compressor operating state is delivered to control microcomputer through the communication multifunctional controller, is shown respectively at its display interface.But the aperture of electric expansion valve is the temperature of cooling-water machine delivery port cooling water to be set by remote monitoring microcomputer and communication multifunctional controller respectively, control microcomputer is provided with the overtemperature alarm program according to the upper limit value and lower limit value of this setting value ± 0.1 ℃, and alert is in time checked processing.Control microcomputer also is provided with discharge and the hydraulic pressure amount overload alarm program that is provided with according to the pump parameter.
The control microcomputer of present embodiment can carry out Centralized Monitoring to many cooling-water machines that roll board assembly line according to prior art.
The electric expansion valve model of embodiment is MVL661.15-04 as shown in Figure 2, and the cooling-water temperature sensor model is platinum PT1000, but communication multifunctional controller model is RMS705-2, more than is Siemens's product.
Claims (3)
1, metallurgy rolls board assembly line control instrument cooling-water machine, by the compressor that is communicated with successively by pipeline in casing and the casing, condenser and plate-type evaporator, the thermal compensation by-passing valve of compressor, fluid reservoir that condensator outlet sets gradually and filter, the casing water return outlet is to the water tank that is provided with between the plate-type evaporator recirculated water inlet, the cooling-water temperature sensor that sets gradually between the delivery port of plate-type evaporator circulating water outlet and casing, pump, the current quantitative change send sensor and hydraulic pressure quantitative change to send sensor to form, it is characterized in that: the 1.25-2 that described compressor cooling power is the rated designs value doubly, the 2-2.5 that described condenser area of dissipation is the rated designs value doubly, condenser is provided with air-cooled blower fan, and the 1.25-2 that described plate-type evaporator heat exchange amount is the rated designs value doubly; Be provided with electric expansion valve between the filter of condensator outlet and the plate-type evaporator refrigerant inlet; But be provided with the communication multifunctional controller in the casing, its communication interface is connected in the remote monitoring microcomputer, cooling-water temperature sensor, sensor is sent in the current quantitative change, but the hydraulic pressure quantitative change send the analog quantity signal of telecommunication of sensor and the analog quantity signal of telecommunication of expression pump and compressor operating state to be connected in communication multifunctional controller communication interface respective end, the control microcomputer display interface is provided with corresponding to cooling-water temperature sensor, sensor is sent in the current quantitative change, the Sensor Analog Relay System amount is sent in the hydraulic pressure quantitative change, the display window of pump state and compressor state, but but electric expansion valve receives the aperture setting signal of communication multifunctional controller and/or control microcomputer output and the fine setting control signal corresponding to cooling-water temperature sensor of communication multifunctional controller output.
2, cooling-water machine according to claim 1 is characterized in that: the air-cooled blower fan of described condenser is the level Four blower fan of 1400 rev/mins of turn ups at least.
3, cooling-water machine according to claim 1 is characterized in that: described fluid reservoir is exported to and is provided with the compressor protection gas circuit that filter, capillary and hydrops device by pipeline connection constitute between the suction port of compressor successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026894 CN200975814Y (en) | 2006-07-31 | 2006-07-31 | Water cooling machine for metallurgy rolled plate production line control instrumentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026894 CN200975814Y (en) | 2006-07-31 | 2006-07-31 | Water cooling machine for metallurgy rolled plate production line control instrumentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200975814Y true CN200975814Y (en) | 2007-11-14 |
Family
ID=38902098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026894 Expired - Fee Related CN200975814Y (en) | 2006-07-31 | 2006-07-31 | Water cooling machine for metallurgy rolled plate production line control instrumentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200975814Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868300A (en) * | 2014-03-24 | 2014-06-18 | 扬州天智水冷设备有限公司 | Method for controlling energy-saving and constant-temperature water-cooling machine of dual-refrigeration control system |
| CN104457068A (en) * | 2014-12-08 | 2015-03-25 | 中国船舶重工集团公司第七一六研究所 | Modularized water-cooling cabinet and noise redundancy control method thereof |
-
2006
- 2006-07-31 CN CN 200620026894 patent/CN200975814Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868300A (en) * | 2014-03-24 | 2014-06-18 | 扬州天智水冷设备有限公司 | Method for controlling energy-saving and constant-temperature water-cooling machine of dual-refrigeration control system |
| CN104457068A (en) * | 2014-12-08 | 2015-03-25 | 中国船舶重工集团公司第七一六研究所 | Modularized water-cooling cabinet and noise redundancy control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103104962B (en) | Method for detecting four-way valve of air-conditioner | |
| EP2407733B1 (en) | Air conditioning device | |
| CN104616931B (en) | A kind of low temperature resistant digital SF6 relay | |
| CA2868743C (en) | System for calibration of a compressor unit in a heating, ventilation, and air conditioning system | |
| CN102679507A (en) | Air-conditioning apparatus | |
| CN103453620A (en) | Air conditioning system based on energy efficiency assessment and optimized control and method thereof | |
| CN104597934B (en) | A kind of transformator intelligent cooler control system and control method thereof | |
| CN200975814Y (en) | Water cooling machine for metallurgy rolled plate production line control instrumentation | |
| CN105509261A (en) | Air conditioner and control method for air conditioner | |
| JP2006250443A (en) | Operation control method in one pump-type heat source equipment | |
| CN108050719A (en) | A kind of Cooling System and its control method based on differential thermal calculation refrigerated medium pump ability | |
| KR101043197B1 (en) | A cold and hot water purifier control system | |
| CN201374563Y (en) | Low-voltage phase-splitting reactive power compensation cabinet system | |
| CN204188239U (en) | A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness | |
| CN210466150U (en) | High-low temperature liquid circulation precise temperature control system | |
| CN114396704A (en) | Water chilling unit health diagnosis method and system based on big data analysis | |
| CN114266190A (en) | Early warning method of refrigeration equipment, refrigeration equipment and storage medium | |
| CN202813857U (en) | Three-in-one cooling device with frequency converter, water conditioner and dryer | |
| CN209731868U (en) | A kind of high-power extra-high voltage liquid cooling apparatus | |
| CN201569109U (en) | Frequency-conversion energy-saving control device for water circulation system of central air conditioning | |
| CN217237979U (en) | Formaldehyde concentration continuity detecting system | |
| CN109654003B (en) | Oil quantity adjusting method of compressor | |
| CN104864550B (en) | Convertible frequency air-conditioner | |
| CN207035939U (en) | Handpiece Water Chilling Units blower fan of cooling tower automatic control system | |
| CN209089330U (en) | The control device of excitation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20130731 |