CN103983041B - The reactor refrigeration heated for controlling temperature system of high thermal discharge - Google Patents
The reactor refrigeration heated for controlling temperature system of high thermal discharge Download PDFInfo
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- CN103983041B CN103983041B CN201410149680.3A CN201410149680A CN103983041B CN 103983041 B CN103983041 B CN 103983041B CN 201410149680 A CN201410149680 A CN 201410149680A CN 103983041 B CN103983041 B CN 103983041B
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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
Abstract
A kind of reactor refrigeration heated for controlling temperature system of high thermal discharge, 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; Be connected with the 3rd pipeline by the second pipeline between magnetic valve and the second cold storage tank, described second pipeline installs electric expansion valve.Functional reliability is good.
Description
Technical field
The present invention relates to temperature regulating device technical field, especially a kind of reactor refrigeration heated for controlling temperature system of high thermal discharge.
Background technology
Chemosynthesis reaction often along with suction exothermic reaction, often because thermal discharge is comparatively large, caloric receptivity is comparatively large and the delayed larger reason of reactor feedback itself, cause temperature-controlled precision poor or out of control, cause end product quality or cause production accident.
Temperature regulating device of the prior art, usually adopting refrigerant compression machine technology often directly can not lower the temperature from high temperature, when applying to exceed 55 degree of operating mode borehole coolings, often occurring compressor protection or damage.
In addition, by first cooling to normal temperature through supercooled water or cold wind from high temperature 250 degree, open refrigeration machine again and cool to low-temperature zone, although this mode is at high temperature section relative energy-saving, but need in system that magnetic valve, motor-driven valve or pneumatic operated valve are installed to switch, when low-temperature zone can because air cooling heat exchanger or water cooling heat exchanger extra distribute cold, cause system fall less than due temperature or need to strengthen the power (lower in the efficiency of low-temperature zone refrigeration machine, not energy-conservation) of refrigeration machine.Because be provided with valve member in the circulatory system, use in frequent high temperature low temperature environment and reduce service life, increase system risk.
Temperature control method: general employing control system outlet temperature, because the heat transfer such as reactor large time delay heat-exchanger rig, the temperature lag that control system outlet temperature and realistic objective will control 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, thus improves its functional reliability.
The technical solution adopted in the present invention is as follows:
A kind of reactor refrigeration heated for controlling temperature system of high thermal discharge, 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; Be connected with the 3rd pipeline by the second pipeline between magnetic valve and the second cold storage tank, described second pipeline installs electric expansion valve.
Further improvement as technique scheme:
Be connected with the 5th pipeline by the 7th pipeline between electric proportional-regulation valve and the first cold storage tank, described 7th pipeline installed hand behaviour valve;
Be connected with the 5th pipeline by the 6th pipeline between electric proportional-regulation valve and heating tube, described 6th pipeline is in series with the second check valve and the second circulating pump;
The first measurement and control of temperature point and pressure testing and controlling point is provided with between compressor and gas-liquid separator;
Described heating tube place is provided with the second measurement and control of temperature point;
Described 5th pipeline is provided with the 3rd measurement and control of temperature point;
Described first cold storage tank is provided with the 4th measurement and control of temperature point;
The 5th measurement and control of temperature point is provided with in described reactor.
Beneficial effect of the present invention is as follows:
Compact conformation of the present invention, rationally, Operation & use is convenient, and refrigeration machine can be made to 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 jacket type reactor refrigeration heating precise control of temperature equipment, and the temperature being used in larger thermal discharge caloric receptivity during synthetic reaction controls.
The present invention is when high exothermic reaction, and follow up algorithm fast, but changes refrigeration mode into, reach fast cooling with prestissimo, taken away by the heat discharged with prestissimo.
The present invention adopts multiple spot computing to add the self-built tree algorithm of model-free, specially for Large-lag System temperature control, makes the control of the temperature energy constant temperature of delayed desired value within ± 1 DEG C.And there is not the fluctuation that takes place frequently up and down.
The present invention is exclusively used in reactor.
Accompanying drawing explanation
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 reactor of the present embodiment refrigeration heated for controlling temperature system of high thermal discharge, comprise reactor 15, one end of reactor 15 is connected with heating tube 14, electric proportional-regulation valve 13, 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, 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, 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; Be connected with the 3rd pipeline 9 by the second pipeline 8 between magnetic valve 24 and the second cold storage tank 25, the second pipeline 8 installs electric expansion valve 7.
Be connected with the 5th pipeline 16 by the 7th pipeline 20 between electric proportional-regulation valve 13 and the first cold storage tank 12, the 7th pipeline 20 installed hand behaviour valve 21.
Be connected with the 5th pipeline 16 by the 6th pipeline 19 between electric proportional-regulation valve 13 and heating tube 14, the 6th pipeline 19 be in series with the second check valve 17 and the second circulating pump 18.
The first measurement and control of temperature point T and pressure testing and controlling point P is provided with between compressor 28 and gas-liquid separator 6.
Heating tube 14 place is provided with the second measurement and control of temperature point T1.
5th pipeline 16 is provided with the 3rd measurement and control of temperature point T2.
First cold storage tank 12 is provided with the 4th measurement and control of temperature point T3.
The 5th measurement and control of temperature point T4 is provided with in reactor 15.
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 formation Closed Cycle system.
2) the conduction oil filling, in system: conduction oil is filled in expansion drum, open drain tap, open the first circulating pump 5, conduction oil is taken out in system from expansion drum 2, air in system is discharged simultaneously, by conduction oil of constantly annotating, the air in system is constantly discharged, until the air of the overwhelming majority is discharged in system, close drain tap.Make formation circulatory system do not contacted with air.(first time exhaust may have a little residual air in system, can be taken out of by residual air by heating and cooling process several times along expansion process)
(2) refrigeration system
1), when system feedback signal display needs cooling, system starts circulating pump and refrigeration machine, carries out heat exchange by the cold-producing medium in heat-conducting medium and refrigeration system evaporator, thus system cooling.
2), refrigeration system work: compressor 28 compresses → oil eliminator 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 separator 6 → get back to compressor 28;
In this process except general refrigeration principle, temperature controller controls temperature, the pressure of return-air well, is regulated enter vapour liquid separator choke valve cold medium flux by the suction temperature that sets and force value.Even if when 200 degree of high-temperature refrigerations, suction temperature and pressure all control good scope.
The design of electric proportional-regulation valve 13 of the present invention, when cooling system works, does not need to use and namely closes, when needing heating work, namely open.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.
Claims (8)
1. the reactor refrigeration heated for controlling temperature system of high thermal discharge, 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), 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), 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), described second pipeline (8) installs electric expansion valve (7).
2. the reactor as claimed in claim 1 refrigeration heated for controlling temperature system of high thermal discharge, 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), described 7th pipeline (20) is upper installs hand behaviour's valve (21).
3. the reactor as claimed in claim 1 refrigeration heated for controlling temperature system of high thermal discharge, 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), described 6th pipeline (19) is in series with the second check valve (17) and the second circulating pump (18).
4. the reactor refrigeration heated for controlling temperature system of high thermal discharge as claimed in claim 1, is characterized in that: be positioned between compressor (28) and gas-liquid separator (6) and be provided with the first measurement and control of temperature point (T) and pressure testing and controlling point (P).
5. the reactor refrigeration heated for controlling temperature system of high thermal discharge as claimed in claim 1, is characterized in that: described heating tube (14) place is provided with the second measurement and control of temperature point (T1).
6. the reactor refrigeration heated for controlling temperature system of high thermal discharge as claimed in claim 1, is characterized in that: described 5th pipeline (16) is provided with the 3rd measurement and control of temperature point (T2).
7. the reactor refrigeration heated for controlling temperature system of high thermal discharge as claimed in claim 1, is characterized in that: described first cold storage tank (12) is provided with the 4th measurement and control of temperature point (T3).
8. the reactor refrigeration heated for controlling temperature system of high thermal discharge as claimed in claim 1, is characterized in that: be provided with the 5th measurement and control of temperature point (T4) in described reactor (15).
Priority Applications (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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| 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 CN103983041A (en) | 2014-08-13 |
| CN103983041B true CN103983041B (en) | 2016-02-03 |
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| JP3046740B2 (en) * | 1995-02-11 | 2000-05-29 | タバイエスペック株式会社 | Expansion mechanism added control type refrigeration system |
| CN203375763U (en) * | 2013-06-03 | 2014-01-01 | 宁夏银晨太阳能科技有限公司 | Air source heat pump assisted solar integrated heating, refrigerating and heat supply system |
| CN203798018U (en) * | 2014-04-15 | 2014-08-27 | 无锡冠亚恒温制冷技术有限公司 | High-heat-release refrigeration heating temperature-controlling system for reaction kettle |
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