CN103983041A - High-heat-discharge-quantity refrigerating and heating temperature control system for reaction kettle - Google Patents
High-heat-discharge-quantity refrigerating and heating temperature control system for reaction kettle Download PDFInfo
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- CN103983041A CN103983041A CN201410149680.3A CN201410149680A CN103983041A CN 103983041 A CN103983041 A CN 103983041A CN 201410149680 A CN201410149680 A CN 201410149680A CN 103983041 A CN103983041 A CN 103983041A
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention relates to a high-heat-discharge-quantity refrigerating and heating temperature control system for a reaction kettle. The high-heat-discharge-quantity refrigerating and heating temperature control system comprises a reaction kettle, wherein one end of the reaction kettle is sequentially connected with a heating pipe, an electric proportioning regulating valve, a first cold storage tank and an evaporation heat exchanger through a fourth pipeline, the output end of the evaporation heat exchanger is sequentially connected with a first circulation pump, a first one-way valve, an expansion tank and an exhaust valve through a first pipeline, the exhaust valve is connected to the other end of the reaction kettle through a fifth pipeline, the two ends of the evaporation heat exchanger are connected with a refrigerating machine, the refrigerating machine is structurally characterized in that one end of the evaporation heat exchanger is sequentially connected in series with a gas-liquid separator, a compressor, an oil separator, a condenser, a drying filter, a second cold storage tank, an electromagnetic valve and an expansion valve through a third pipeline, the outer end of the expansion valve is connected with the other end of the evaporation heat exchanger through an eighth pipeline, the refrigerating machine is positioned between the electromagnetic valve and the second cold storage tank and is connected with the third pipeline through the second pipeline, and an electronic expansion valve is arranged on the second pipeline. The work reliability is good.
Description
Technical field
The present invention relates to temperature regulating device technical field, the refrigeration heated for controlling temperature system of high thermal discharge for especially a kind of reactor.
Background technology
The suction exothermic reaction that chemosynthesis reaction is often accompanied by, often, because thermal discharge is large, caloric receptivity is large and reactor itself feeds back the larger reason that lags behind, causes temperature-controlled precision poor or out of control, causes end product quality or causes production accident.
Temperature regulating device of the prior art, adopts refrigerant compression machine technology often can not directly lower the temperature from high temperature conventionally, when applying to exceed 55 degree operating mode borehole coolings, often occurs compressor protection or damage.
In addition, by first cooling to normal temperature through supercooled water or cold wind from high temperature 250 degree, open again refrigeration machine and cool to low-temperature zone, although this mode is at high temperature section relative energy-saving, but in system, needing to install magnetic valve, motor-driven valve or pneumatic operated valve switches, in the time of low-temperature zone can because air cooling heat exchanger or water cooling heat exchanger extra distribute cold, cause system to fall the power (efficiency at low-temperature zone refrigeration machine is lower, not energy-conservation) that maybe needs to strengthen refrigeration machine less than due temperature.Because valve member is installed in the circulatory system, often in high temperature low temperature environment, use and reduce service life, increase system risk.
Temperature control method: generally adopt control system outlet temperature, because heat transfer large time delay heat-exchanger rigs such as reactors, the temperature lag that control system outlet temperature and realistic objective will be controlled is too large, often occurs that temperature-controlled precision is bad, fluctuate up and down excessive, affect product quality.
Summary of the invention
The applicant, for the shortcoming in above-mentioned existing production technology, provides the refrigeration heated for controlling temperature system of the high thermal discharge of a kind of reactor rational in infrastructure, thereby improves its functional reliability.
The technical solution adopted in the present invention is as follows:
The refrigeration heated for controlling temperature system of high thermal discharge for a kind of reactor, comprise reactor, one end of described reactor is connected with heating tube, electric proportional-regulation valve, the first cold storage tank, evaporating heat exchanger in turn by the 4th pipeline, the output of described evaporating heat exchanger connects the first circulating pump, the first check valve, expansion drum, air bleeding valve successively by the first pipeline, and described air bleeding valve is connected to the other end of reactor by the 5th pipeline; The two ends of described evaporating heat exchanger connect refrigeration machine, the structure of described refrigeration machine is: one end of described evaporating heat exchanger is in series with gas-liquid separator, compressor, oil eliminator, condenser, device for drying and filtering, the second cold storage tank, magnetic valve, expansion valve successively by the 3rd pipeline, and the outer end of described expansion valve is connected to the other end of evaporating heat exchanger by the 8th pipeline; Between magnetic valve and the second cold storage tank, be connected with the 3rd pipeline by the second pipeline, on described the second pipeline, electric expansion valve be installed.
Further improvement as technique scheme:
Between electric proportional-regulation valve and the first cold storage tank, be connected with the 5th pipeline by the 7th pipeline, hand behaviour valve is installed on described the 7th pipeline;
Between electric proportional-regulation valve and heating tube, be connected with the 5th pipeline by the 6th pipeline, on described the 6th pipeline, be in series with the second check valve and the second circulating pump;
Between compressor and gas-liquid separator, be provided with the first measurement and control of temperature point and pressure testing and controlling point;
Described heating tube place is provided with the second measurement and control of temperature point;
On described the 5th pipeline, be provided with the 3rd measurement and control of temperature point;
On described the first cold storage tank, be provided with the 4th measurement and control of temperature point;
In described reactor, be provided with the 5th measurement and control of temperature point.
Beneficial effect of the present invention is as follows:
Compact conformation of the present invention, reasonable, Operation & use is convenient, can make refrigeration machine cool to low-temperature zone in the operating mode lower linear of superhigh temperature (subzero 45 degree～250 degree).
The present invention is applied to the heating of jacket type reactor refrigeration and accurately controls temperature device, the temperature control of larger thermal discharge caloric receptivity while being used in synthetic reaction.
The present invention is in the time of high exothermic reaction, and the algorithm that follows up fast, but changes refrigeration mode into prestissimo, reaches fast cooling, with prestissimo, the heat discharging is taken away.
The present invention adopts multiple spot computing to add the self-built tree algorithm of model-free, specially for Large-lag System temperature control, in being controlled at of the temperature energy constant temperature of the desired value that makes to lag behind ± 1 DEG C.And there is not the fluctuation that takes place frequently up and down.
The present invention is exclusively used in reactor.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Wherein: 1, air bleeding valve; 2, expansion drum; 3, the first check valve; 4, the first pipeline; 5, the first circulating pump; 6, gas-liquid separator; 7, electric expansion valve; 8, the second pipeline; 9, the 3rd pipeline; 10, evaporating heat exchanger; 11, the 4th pipeline; 12, the first cold storage tank; 13, electric proportional-regulation valve; 14, heating tube; 15, reactor; 16, the 5th pipeline; 17, the second check valve; 18, the second circulating pump; 19, the 6th pipeline; 20, the 7th pipeline; 21, hand behaviour valve; 22, the 8th pipeline; 23, expansion valve; 24, magnetic valve; 25, the second cold storage tank; 26, device for drying and filtering; 27, condenser; 28, compressor; 29, oil eliminator; T, the first measurement and control of temperature point; P, pressure testing and controlling point; T1, the second measurement and control of temperature point; T2, the 3rd measurement and control of temperature point; T3, the 4th measurement and control of temperature point; T4, the 5th measurement and control of temperature point.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, the refrigeration heated for controlling temperature system of high thermal discharge for the reactor of the present embodiment, comprise reactor 15, one end of reactor 15 is connected with heating tube 14, electric proportional-regulation valve 13, the first cold storage tank 12, evaporating heat exchanger 10 in turn by the 4th pipeline 11, the output of evaporating heat exchanger 10 connects the first circulating pump 5, the first check valve 3, expansion drum 2, air bleeding valve 1 successively by the first pipeline 4, and air bleeding valve 1 is connected to the other end of reactor 15 by the 5th pipeline 16; The two ends of evaporating heat exchanger 10 connect refrigeration machine, the structure of refrigeration machine is: one end of evaporating heat exchanger 10 is in series with gas-liquid separator 6, compressor 28, oil eliminator 29, condenser 27, device for drying and filtering 26, the second cold storage tank 25, magnetic valve 24, expansion valve 23 successively by the 3rd pipeline 9, and the outer end of expansion valve 23 is connected to the other end of evaporating heat exchanger 10 by the 8th pipeline 22; Between magnetic valve 24 and the second cold storage tank 25, be connected with the 3rd pipeline 9 by the second pipeline 8, on the second pipeline 8, electric expansion valve 7 be installed.
Between electric proportional-regulation valve 13 and the first cold storage tank 12, be connected with the 5th pipeline 16 by the 7th pipeline 20, hand behaviour valve 21 is installed on the 7th pipeline 20.
Between electric proportional-regulation valve 13 and heating tube 14, be connected with the 5th pipeline 16 by the 6th pipeline 19, on the 6th pipeline 19, be in series with the second check valve 17 and the second circulating pump 18.
Between compressor 28 and gas-liquid separator 6, be provided with the first measurement and control of temperature point T and pressure testing and controlling point P.
Heating tube 14 places are provided with the second measurement and control of temperature point T1.
On the 5th pipeline 16, be provided with the 3rd measurement and control of temperature point T2.
On the first cold storage tank 12, be provided with the 4th measurement and control of temperature point T3.
In reactor 15, be provided with the 5th measurement and control of temperature point T4.
Operation principle of the present invention is:
(1) circulatory system:
1), totally-enclosed refrigeration heated for controlling temperature system is connected with external reactor (heat exchanger), in totally-enclosed refrigeration heated for controlling temperature system, oil-out is connected with the lower inlet of reactor (heat exchanger), system oil-in is connected with the upper outlet of reactor (heat exchanger), makes it to form a Closed Cycle system.
2), the filling of the conduction oil in system: conduction oil is filled in expansion drum, open drain tap, open the first circulating pump 5, from expansion drum 2, take out conduction oil in system, simultaneously by the Bas Discharged in system, by continuous filling conduction oil, the air in system is constantly discharged, until the Bas Discharged of the overwhelming majority in system is closed drain tap.Make to form the circulatory system not contacting with air.(exhaust for the first time have a little residual air in may system, can residual air be taken out of along expansion process by heating and cooling process several times)
(2) refrigeration system
1), show that need to lower the temperature time, system starts circulating pump and refrigeration machine, carries out heat exchange by the cold-producing medium in heat-conducting medium and refrigeration system evaporator when system feedback signal, thus system is lowered the temperature.
2), refrigeration system work: compress → oil eliminator of compressor 28 29 → condenser 27 condensations → device for drying and filtering 26 → the second cold storage tank 25 → magnetic valve 24 → expansion valve 23 → evaporating heat exchanger 10 → gas-liquid separators 6 → get back to compressor 28;
In this process, except general refrigeration principle, temperature controller is controlled temperature, the pressure of return-air well, is regulated and is entered vapour liquid separator choke valve cold medium flux by the suction temperature that sets and force value.Even in the time of 200 degree high-temperature refrigeration, suction temperature and pressure are all controlled good scope.
The design of electric proportional-regulation valve 13 of the present invention, in the time that cooling system is worked, does not need to use and closes, and while needing heating work, opens.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of amendment.
Claims (8)
1. the refrigeration heated for controlling temperature system of high thermal discharge for a reactor, it is characterized in that: comprise reactor (15), one end of described reactor (15) is connected with heating tube (14) in turn by the 4th pipeline (11), electric proportional-regulation valve (13), the first cold storage tank (12), evaporating heat exchanger (10), the output of described evaporating heat exchanger (10) connects the first circulating pump (5) successively by the first pipeline (4), the first check valve (3), expansion drum (2), air bleeding valve (1), described air bleeding valve (1) is connected to the other end of reactor (15) by the 5th pipeline (16), the two ends of described evaporating heat exchanger (10) connect refrigeration machine, the structure of described refrigeration machine is: one end of described evaporating heat exchanger (10) is in series with gas-liquid separator (6), compressor (28), oil eliminator (29), condenser (27), device for drying and filtering (26), the second cold storage tank (25), magnetic valve (24), expansion valve (23) successively by the 3rd pipeline (9), and the outer end of described expansion valve (23) is connected to the other end of evaporating heat exchanger (10) by the 8th pipeline (22), be positioned between magnetic valve (24) and the second cold storage tank (25) and be connected with the 3rd pipeline (9) by the second pipeline (8), the upper electric expansion valve (7) of installing of described the second pipeline (8).
2. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, it is characterized in that: be positioned between electric proportional-regulation valve (13) and the first cold storage tank (12) and be connected with the 5th pipeline (16) by the 7th pipeline (20), the upper hand behaviour's valve (21) of installing of described the 7th pipeline (20).
3. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, it is characterized in that: be positioned between electric proportional-regulation valve (13) and heating tube (14) and be connected with the 5th pipeline (16) by the 6th pipeline (19), on described the 6th pipeline (19), be in series with the second check valve (17) and the second circulating pump (18).
4. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, is characterized in that: be positioned at and between compressor (28) and gas-liquid separator (6), be provided with the first measurement and control of temperature point (T) and pressure testing and controlling point (P).
5. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, is characterized in that: described heating tube (14) locates to be provided with the second measurement and control of temperature point (T1).
6. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, is characterized in that: on described the 5th pipeline (16), be provided with the 3rd measurement and control of temperature point (T2).
7. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, is characterized in that: on described the first cold storage tank (12), be provided with the 4th measurement and control of temperature point (T3).
8. the refrigeration heated for controlling temperature system of high thermal discharge for reactor as claimed in claim 1, is characterized in that: in described reactor (15), be provided with the 5th measurement and control of temperature point (T4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149680.3A CN103983041B (en) | 2014-04-15 | 2014-04-15 | The reactor refrigeration heated for controlling temperature system of high thermal discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410149680.3A CN103983041B (en) | 2014-04-15 | 2014-04-15 | The reactor refrigeration heated for controlling temperature system of high thermal discharge |
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| CN103983041A true CN103983041A (en) | 2014-08-13 |
| CN103983041B CN103983041B (en) | 2016-02-03 |
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| CN201410149680.3A Active CN103983041B (en) | 2014-04-15 | 2014-04-15 | The reactor refrigeration heated for controlling temperature system of high thermal discharge |
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| CN105927618A (en) * | 2016-06-30 | 2016-09-07 | 江苏金荣森制冷科技有限公司 | Industrial refrigerating device used for hydraulic bypass and provided with piston type pressure release valves |
| CN105937527A (en) * | 2016-06-30 | 2016-09-14 | 江苏金荣森制冷科技有限公司 | Working method for temperature-control industry refrigerating machine with hydraulic bypass with spherical pressure relief valve |
| CN105937526A (en) * | 2016-06-30 | 2016-09-14 | 江苏金荣森制冷科技有限公司 | Industry refrigerating machine with hydraulic bypass with piston-type pressure relief valve |
| CN105972003A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Working method for industrial refrigerator for hydraulic bypass with adjustable pressure release valve |
| CN105972002A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve |
| CN105972000A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigerating machine with piston type pressure relief valve hydraulic bypass |
| CN105972001A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Industrial refrigeration device for hydraulic bypass with adjustable pressure relief valve |
| CN106015191A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Heating type industrial hydraulic oil refrigerating machine |
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| CN106015195A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigeration device with adjustable pressure relief valve hydraulic bypass |
| CN106015197A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigerating machine with adjustable type pressure release valve hydraulic bypass |
| CN106015189A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source |
| CN106015194A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature-control industrial refrigerator of hydraulic bypass with spherical pressure release valve |
| CN106016838A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Industrial hydraulic oil refrigeration machine |
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| CN106016966A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Industrial refrigerating machine with tubular heater |
| CN106015196A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Working method of temperature control industrial refrigerating machine with adjustable type pressure release valve hydraulic bypass |
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| CN105927618A (en) * | 2016-06-30 | 2016-09-07 | 江苏金荣森制冷科技有限公司 | Industrial refrigerating device used for hydraulic bypass and provided with piston type pressure release valves |
| CN105937527A (en) * | 2016-06-30 | 2016-09-14 | 江苏金荣森制冷科技有限公司 | Working method for temperature-control industry refrigerating machine with hydraulic bypass with spherical pressure relief valve |
| CN105937526A (en) * | 2016-06-30 | 2016-09-14 | 江苏金荣森制冷科技有限公司 | Industry refrigerating machine with hydraulic bypass with piston-type pressure relief valve |
| CN105972003A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Working method for industrial refrigerator for hydraulic bypass with adjustable pressure release valve |
| CN105972002A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve |
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| CN105972001A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Industrial refrigeration device for hydraulic bypass with adjustable pressure relief valve |
| CN106015191A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Heating type industrial hydraulic oil refrigerating machine |
| CN106016965A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Working method of industrial refrigerator with tubular heater |
| CN106015195A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigeration device with adjustable pressure relief valve hydraulic bypass |
| CN106015197A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature control industrial refrigerating machine with adjustable type pressure release valve hydraulic bypass |
| CN106015189A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source |
| CN106015194A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Temperature-control industrial refrigerator of hydraulic bypass with spherical pressure release valve |
| CN106016838A (en) * | 2016-06-30 | 2016-10-12 | 江苏金荣森制冷科技有限公司 | Industrial hydraulic oil refrigeration machine |
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