CN203798049U - Wide-range linear-warming refrigeration and heating control system - Google Patents
Wide-range linear-warming refrigeration and heating control system Download PDFInfo
- Publication number
- CN203798049U CN203798049U CN201420181296.7U CN201420181296U CN203798049U CN 203798049 U CN203798049 U CN 203798049U CN 201420181296 U CN201420181296 U CN 201420181296U CN 203798049 U CN203798049 U CN 203798049U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- temperature
- heat
- exchanger
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000005057 refrigeration Methods 0.000 title claims abstract description 21
- 238000010792 warming Methods 0.000 title abstract 2
- 238000001704 evaporation Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 17
- 230000000740 bleeding effect Effects 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 3
- 239000002826 coolant Substances 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a wide-range linear-warming refrigeration and heating control system. The system comprises a heat-exchanging device, wherein one end of the heat-exchanging device is connected with a heating pipe, an evaporation heat-exchanger, a circulating pump and a check valve in sequence through a fourth pipeline; the check valve is connected with the outlet of an expansion tank; the other end of the heat-exchanging device is connected with the inlet of the expansion tank through a third pipeline; an exhaust valve is arranged on the third pipeline; the system further comprises a first pipeline mounted on the evaporation heat-exchanger; the first pipeline is connected with a gas-liquid separator, a compressor, an oil separator, a condensation device, a cold-storing tank, a magnetic valve and an expansion valve; one end of the an electronic expansion valve is connected between the cold-storing tank and the magnetic valve through a second pipeline; the other end of the electronic expansion valve is connected between the evaporation heat-exchanger and the gas-liquid separator. According to the utility model, the system is compact and reasonable in structure, convenient to operate and use, convenient for a cooling agent to lower the temperature in a linear manner to a low-temperature section under a high-temperature working condition, is good in reliability and flexible.
Description
Technical field
The utility model relates to temperature regulating device technical field, especially a kind of refrigeration heating control system of linear temperature increase on a large scale.
Background technology
Temperature regulating device of the prior art, adopts refrigerant compression machine technology conventionally, and it often can not directly be lowered the temperature from high temperature, 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.
Utility model content
The applicant, for the shortcoming in above-mentioned existing production technology, provides a kind of refrigeration heating control system of linear temperature increase on a large scale rational in infrastructure, thereby can realize easily Wide Range work, functional reliability.
The technical scheme that the utility model adopts is as follows:
A kind of refrigeration heating control system of linear temperature increase on a large scale, comprise heat-exchanger rig, one end of described heat-exchanger rig is connected with heating tube, evaporating heat exchanger, circulating pump, check valve in turn by the 4th pipeline, described check valve is connected with the exit of expansion drum, the other end of described heat-exchanger rig is connected with the import department of expansion drum by the 3rd pipeline, on described the 3rd pipeline, is provided with air bleeding valve; Also comprise the first pipeline being installed on evaporating heat exchanger, described the first pipeline is from evaporating heat exchanger be linked in sequence successively gas-liquid separator, compressor, oil eliminator, condenser, cold storage tank, magnetic valve and expansion valve; Between described cold storage tank and magnetic valve, by second pipeline connecting electronic expansion valve one end, the described electric expansion valve other end is connected between evaporating heat exchanger and gas-liquid separator.
Further improvement as technique scheme:
On the first pipeline between compressor and gas-liquid separator, be provided with the first measurement and control of temperature point and pressure testing and controlling point;
What on described heating tube, arrange has a 4th measurement and control of temperature point, is provided with the second measurement and control of temperature point on the 4th pipeline between described heating tube and heat-exchanger rig, is provided with the 3rd measurement and control of temperature point on the 3rd pipeline between described heat-exchanger rig and air bleeding valve.
The beneficial effects of the utility model are as follows:
The utility model compact conformation, reasonable, Operation & use is easy, can make easily cold-producing medium cool to low-temperature zone in the operating mode lower linear of superhigh temperature (40 degrees below zero---250 degree), good reliability, flexibly.
The utility model applies to Aeronautics and Astronautics material constant temperature testing equipment, vacuum environment analog machine, provides thermostatic equipment for biological medicine reactor, make thermostatic equipment can accomplish lifting continuously in super wide temperature range, reduce operating procedure, improve service efficiency, reduce equipment fault.
The utility model adopts multiple spot computing to add the self-built tree algorithm of model-free, can be specially for Large-lag System temperature control, and 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.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1, oil eliminator; 2, compressor; 3, condenser; 4, cold storage tank; 5, the first pipeline; 6, magnetic valve; 7, electric expansion valve; 8, expansion valve; 9, evaporating heat exchanger; 10, the second pipeline; 11, the first measurement and control of temperature point; 12, pressure testing and controlling point; 13, gas-liquid separator; 14, reactor; 15, the 3rd pipeline; 16, the 4th pipeline; 17, heating tube; 18, circulating pump; 19, check valve; 20, expansion drum; 21, air bleeding valve; A, the second measurement and control of temperature point; B, the 3rd measurement and control of temperature point; C, the 4th measurement and control of temperature point.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
Heat-exchanger rig described in the utility model can adopt reactor, heat exchanger etc., below taking reactor as example.
As shown in Figure 1, the refrigeration heating control system of the linear temperature increase on a large scale of the present embodiment, comprise reactor 14, one end of reactor 14 is connected with heating tube 17, evaporating heat exchanger 9, circulating pump 18, check valve 19 in turn by the 4th pipeline 16, check valve 19 is connected with the exit of expansion drum 20, the other end of reactor 14 is connected with the import department of expansion drum 20 by the 3rd pipeline 15, on the 3rd pipeline 15, is provided with air bleeding valve 21; Also comprise the first pipeline 5, the first pipelines 5 that are installed on evaporating heat exchanger 9 be linked in sequence successively from evaporating heat exchanger 9s gas-liquid separator 13, compressor 2, oil eliminator 1, condenser 3, cold storage tank 4, magnetic valve 6 and expansion valve 8; Between cold storage tank 4 and magnetic valve 6, by second pipeline 10 connecting electronic expansion valve 7 one end, electric expansion valve 7 other ends are connected between evaporating heat exchanger 9 and gas-liquid separator 13.
On the first pipeline 5 between compressor 2 and gas-liquid separator 13, be provided with the first measurement and control of temperature point 11 and pressure testing and controlling point 12.
On heating tube 17, setting has a 4th measurement and control of temperature point C, on the 4th pipeline 16 between heating tube 17 and reactor 14, is provided with the second measurement and control of temperature point A, on the 3rd pipeline 15 between reactor 14 and air bleeding valve 21, is provided with the 3rd measurement and control of temperature point B.
Operation principle of the present utility model is as follows:
(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 20, open air bleeding valve 21, open circulating pump 18, from expansion slot, 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 air bleeding valve 21.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 18 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 21 → condenser 3 condensations → dry → cold storage tank 4 → throttling is divided into two-way a: road enters magnetic valve 6 → expansion valve 8 → evaporating heat exchanger 9 → gas-liquid separator 13 → get back to compressor 2; Another road enters electric expansion valve 7 → gas-liquid separator 13 → get back to compressor 2.
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 250 degree high-temperature refrigeration, suction temperature and pressure are all controlled good scope.
(2) heating system
In the time that system feedback signal demonstration need to heat up thermostatic control, system starts circulating pump 18 and exports as required heating power, and temperature is controlled in the scope needing.
The utility model, in real work, is put 12 detected data according to the first measurement and control of temperature point 11 and pressure testing and controlling and is controlled electric expansion valve 7 size of opening.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range, referring to claim, within protection domain of the present utility model, can be done any type of amendment.
Claims (3)
1. the refrigeration heating control system of linear temperature increase on a large scale, it is characterized in that: comprise heat-exchanger rig, one end of described heat-exchanger rig is connected with heating tube (17), evaporating heat exchanger (9), circulating pump (18), check valve (19) in turn by the 4th pipeline (16), described check valve (19) is connected with the exit of expansion drum (20), the other end of described heat-exchanger rig is connected with the import department of expansion drum (20) by the 3rd pipeline (15), on described the 3rd pipeline (15), is provided with air bleeding valve (21); Also comprise the first pipeline (5) being installed on evaporating heat exchanger (9), described the first pipeline (5) is from evaporating heat exchanger (be linked in sequence successively gas-liquid separator (13), compressor (2), oil eliminator (1), condenser (3), cold storage tank (4), magnetic valve (6) and expansion valve (8) of 9)s; Between described cold storage tank (4) and magnetic valve (6), by the second pipeline (10) connecting electronic expansion valve (7) one end, described electric expansion valve (7) other end is connected between evaporating heat exchanger (9) and gas-liquid separator (13).
2. the refrigeration heating control system of linear temperature increase on a large scale as claimed in claim 1, is characterized in that: be positioned at and on the first pipeline (5) between compressor (2) and gas-liquid separator (13), be provided with the first measurement and control of temperature point (11) and pressure testing and controlling point (12).
3. the refrigeration heating control system of linear temperature increase on a large scale as claimed in claim 1, it is characterized in that: described heating tube (17) is gone up the 4th measurement and control of temperature point (C) that has of setting, on the 4th pipeline (16) between described heating tube (17) and heat-exchanger rig, be provided with the second measurement and control of temperature point (A), on the 3rd pipeline (15) between described heat-exchanger rig and air bleeding valve (21), be provided with the 3rd measurement and control of temperature point (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181296.7U CN203798049U (en) | 2014-04-15 | 2014-04-15 | Wide-range linear-warming refrigeration and heating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181296.7U CN203798049U (en) | 2014-04-15 | 2014-04-15 | Wide-range linear-warming refrigeration and heating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798049U true CN203798049U (en) | 2014-08-27 |
Family
ID=51380254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420181296.7U Expired - Lifetime CN203798049U (en) | 2014-04-15 | 2014-04-15 | Wide-range linear-warming refrigeration and heating control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798049U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106122173A (en) * | 2016-06-30 | 2016-11-16 | 江苏金荣森制冷科技有限公司 | Industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source |
| CN109442819A (en) * | 2018-12-12 | 2019-03-08 | 无锡冠亚恒温制冷技术有限公司 | One drags six refrigeration heating control systems |
-
2014
- 2014-04-15 CN CN201420181296.7U patent/CN203798049U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106122173A (en) * | 2016-06-30 | 2016-11-16 | 江苏金荣森制冷科技有限公司 | Industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source |
| CN106015189B (en) * | 2016-06-30 | 2018-01-16 | 江苏金荣森制冷科技有限公司 | Hot type industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment thermal source |
| CN109442819A (en) * | 2018-12-12 | 2019-03-08 | 无锡冠亚恒温制冷技术有限公司 | One drags six refrigeration heating control systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103983041B (en) | The reactor refrigeration heated for controlling temperature system of high thermal discharge | |
| CN203798049U (en) | Wide-range linear-warming refrigeration and heating control system | |
| CN105020962A (en) | Medical nuclear magnetic resonance water chilling unit and working method thereof | |
| CN203798035U (en) | Parallel type refrigerating and heating control system | |
| CN204854128U (en) | Medical treatment nuclear magnetic resonance water -cooled generator group | |
| CN201155886Y (en) | High temperature heat pump dedicated heat fetching device | |
| CN102777995B (en) | A kind of multi-stage heat pipe heat pump hybrid system | |
| Xue et al. | Operating characteristics of all-year cooling system integrated with rotary booster and compressor | |
| CN204902233U (en) | Hot water heat exchanger of air source heat pump | |
| CN203798010U (en) | Small-range refrigerating and heating temperature control system | |
| CN202747515U (en) | Multistage heat pipe and heat pump compound system | |
| CN104633977A (en) | Multipurpose energy balance unit | |
| CN111413124B (en) | Cold and hot water heat pump and heat source tower heat pump low-cost test bench of wide operating mode operation | |
| CN203798018U (en) | High-heat-release refrigeration heating temperature-controlling system for reaction kettle | |
| CN204013090U (en) | Electricity drives compressor station air cooling water chiller closed circuit cooling system | |
| CN203798038U (en) | Refrigeration and heating temperature control system | |
| CN203798048U (en) | Refrigerating and heating temperature-control system | |
| CN203413743U (en) | Heat pipe and heat pump composite system | |
| CN208282455U (en) | With the condenser for machine room air conditioner for forcing supercooling apparatus | |
| CN207487165U (en) | Superposition type air-cooled condensing group | |
| CN203810652U (en) | Refrigerating and heating circulation air control system | |
| CN206890852U (en) | A kind of oil field automatic integratedization Multifunctional heater | |
| CN208269446U (en) | A kind of Auto-cascade cycle dual temperature refrigeration system of adjustable compressor delivery temperature | |
| CN205119477U (en) | Data computer lab waste heat recovery system | |
| CN203163338U (en) | Anti-explosion oil temperature controlling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |