CN203798038U - Refrigeration and heating temperature control system - Google Patents
Refrigeration and heating temperature control system Download PDFInfo
- Publication number
- CN203798038U CN203798038U CN201420180641.5U CN201420180641U CN203798038U CN 203798038 U CN203798038 U CN 203798038U CN 201420180641 U CN201420180641 U CN 201420180641U CN 203798038 U CN203798038 U CN 203798038U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- gas
- liquid separator
- heat exchanger
- temperature
- 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
- 238000005057 refrigeration Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims description 20
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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 refrigeration and heating temperature control system comprises a heat exchange device, wherein one end of the heat exchange device is connected with a vent valve, an expansion drum, a one-way valve and a circulating pump sequentially via a sixth pipeline; an outlet of the circulating pump is connected a plate heat exchanger, a first electronic expansion valve, an intermediate heat exchanger, an expansion valve, a first gas-liquid separator, a condenser, an oil separator, a compressor and a second gas-liquid separator sequentially via a fourth pipeline; an outlet of the second gas-liquid separator is connected to the plate heat exchanger via a third pipeline; an outlet of the plate heat exchanger is connected to the other end of the heat exchange device via a fifth pipeline; a heating pipe is mounted on the fifth pipeline; a second electronic expansion valve is mounted between the bottom of the first gas-liquid separator and the second gas-liquid separator via a first pipeline; the upper part of the intermediate heat exchanger is communicated with the second gas-liquid separator via a second pipeline; and the upper part of the intermediate heat exchanger is further communicated with the top of the first gas-liquid separator via a seventh pipeline. The system is flexible to use.
Description
Technical field
The utility model relates to temperature regulating device technical field, especially a kind of refrigeration heated for controlling temperature system.
Background technology
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, when 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 heated for controlling temperature system, thereby can realize easily Wide Range work, functional reliability.
The technical scheme that the utility model adopts is as follows:
A kind of refrigeration heated for controlling temperature system, comprise heat-exchanger rig, one end of described heat-exchanger rig is connected with air bleeding valve in turn by the 6th pipeline, expansion drum, check valve, circulating pump, the exit of described circulating pump is by the 4th pipeline successively connecting plate type heat exchanger, the first electric expansion valve, Intermediate Heat Exchanger, expansion valve, the first gas-liquid separator, condenser, oil eliminator, compressor, the second gas-liquid separator, the exit of described the second gas-liquid separator is connected to plate type heat exchanger by the 3rd pipeline, the exit of described plate type heat exchanger is connected to the other end of heat-exchanger rig by the 5th pipeline, on described the 5th pipeline, heating tube is installed, between described the first gas-liquid separator bottom and the second gas-liquid separator, by the first pipeline, the second electric expansion valve is installed, described Intermediate Heat Exchanger top is communicated with the second gas-liquid separator by the second pipeline, and described Intermediate Heat Exchanger top is also communicated with the first gas-liquid separator top by the 7th pipeline.
Its further technical scheme is:
On the pipeline between compressor and the second 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 4th measurement and control of temperature point;
On described the 5th pipeline, be provided with the second measurement and control of temperature point;
On described the 6th pipeline, be provided with the 3rd measurement and control of temperature point;
In described heat-exchanger rig, be provided with the 5th measurement and control of temperature point.
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 (subzero 80 degree---250 degree), good reliability, flexibly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, oil eliminator; 2, compressor; 3, the second gas-liquid separator; 4, condenser; 5, the second electric expansion valve; 6, the 7th pipeline; 7, the first gas-liquid separator; 8, the first pipeline; 9, expansion drum; 10, the second pipeline; 11, expansion valve; 12, Intermediate Heat Exchanger; 13, the 3rd pipeline; 14, the first electric expansion valve; 15, plate type heat exchanger; 16, the 4th pipeline; 17, heating tube; 18, the 5th pipeline; 19, reactor; 20, the 6th pipeline; 21, circulating pump; 22, check valve; 23, air bleeding valve; 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.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.
Heat-exchanger rig described in the utility model can adopt the equipment such as reactor, heat exchanger, below take reactor as example.
As shown in Figure 1, the refrigeration heated for controlling temperature system of the present embodiment, comprise reactor 19, one end of reactor 19 is connected with air bleeding valve 23 in turn by the 6th pipeline 20, expansion drum 9, check valve 22, circulating pump 21, the exit of circulating pump 21 is by the 4th pipeline 16 successively connecting plate type heat exchanger 15, the first electric expansion valve 14, Intermediate Heat Exchanger 12, expansion valve 11, the first gas-liquid separator 7, condenser 4, oil eliminator 1, compressor 2, the second gas-liquid separator 3, the exit of the second gas-liquid separator 3 is connected to plate type heat exchanger 15 by the 3rd pipeline 13, the exit of plate type heat exchanger 15 is connected to the other end of reactor 19 by the 5th pipeline 18, on the 5th pipeline 18, heating tube 17 is installed, between the first gas-liquid separator 7 bottoms and the second gas-liquid separator 3, by the first pipeline 8, the second electric expansion valve 5 is installed, Intermediate Heat Exchanger 12 tops are communicated with the second gas-liquid separator 3 by the second pipeline 10, and Intermediate Heat Exchanger 12 tops are also communicated with the first gas-liquid separator 7 tops by the 7th pipeline 6.
On the pipeline between compressor 2 and the second gas-liquid separator 3, be provided with the first measurement and control of temperature point T and pressure testing and controlling point P.
Heating tube 17 places are provided with the 4th measurement and control of temperature point T3.
On the 5th pipeline 18, be provided with the second measurement and control of temperature point T1.
On the 6th pipeline 20, be provided with the 3rd measurement and control of temperature point T2.
In reactor 19, be provided with the 5th measurement and control of temperature point T4.
Operation principle of the present utility model 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 9, open air bleeding valve 23, open circulating pump 21, 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 23.Make to form the circulatory system not contacting with air.(exhaust for the first time have a little residual air in may system, by heating and cooling process several times, can residual air be taken out of along expansion process)
(2) refrigeration system:
1), show that while need to lower the temperature, system starts circulating pump 21 and refrigeration machine, by the cold-producing medium in heat-conducting medium and refrigeration system evaporator, carries out heat exchange when system feedback signal, thus system is lowered the temperature.
2), refrigeration system work: compressor 2 compression → oil eliminator 1 → condenser 4 condensation → the first gas-liquid separator 7 → expansion valve 11 → Intermediate Heat Exchanger 12 → the first electric expansion valve 14 → plate type heat exchanger 15 → the second gas-liquid separators 3 → get back to compressor 2;
(2) heating system
When system feedback signal demonstration need to heat up thermostatic control, system starts circulating pump 21 and exports as required heating power, and temperature is controlled in the scope needing.
In actual use procedure, cold-producing medium adopts R404A and R508B, it compresses by compressor 2, enter oil eliminator 1, then after the interior mixing of air-cooled condenser 4, enter in the first gas-liquid separator 7, liquid R404A enters expansion valve 11, then enter Intermediate Heat Exchanger 12, and the R508B of gaseous state enters Intermediate Heat Exchanger 12 by the 7th pipeline 6, by heat exchange effect, the R404A that changes gaseous state into enters in the second gas-liquid separator 3, and R508B liquefaction, after entering the first electric expansion valve 14, enter again plate type heat exchanger 15, finally temperature required by the effect output of plate type heat exchanger 15.
The utility model is realized cooling step by step by Intermediate Heat Exchanger 12 and plate type heat exchanger 15.
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 modification.
Claims (6)
1. a refrigeration heated for controlling temperature system, it is characterized in that: comprise heat-exchanger rig, one end of described heat-exchanger rig is connected with air bleeding valve (23) in turn by the 6th pipeline (20), expansion drum (9), check valve (22), circulating pump (21), the exit of described circulating pump (21) is by the 4th pipeline (16) successively connecting plate type heat exchanger (15), the first electric expansion valve (14), Intermediate Heat Exchanger (12), expansion valve (11), the first gas-liquid separator (7), condenser (4), oil eliminator (1), compressor (2), the second gas-liquid separator (3), the exit of described the second gas-liquid separator (3) is connected to plate type heat exchanger (15) by the 3rd pipeline (13), the exit of described plate type heat exchanger (15) is connected to the other end of heat-exchanger rig by the 5th pipeline (18), on described the 5th pipeline (18), heating tube (17) is installed, between described the first gas-liquid separator (7) bottom and the second gas-liquid separator (3), by the first pipeline (8), the second electric expansion valve (5) is installed, described Intermediate Heat Exchanger (12) top is communicated with the second gas-liquid separator (3) by the second pipeline (10), and described Intermediate Heat Exchanger (12) top is also communicated with the first gas-liquid separator (7) top by the 7th pipeline (6).
2. a kind of refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: be positioned at and on the pipeline between compressor (2) and the second gas-liquid separator (3), be provided with the first measurement and control of temperature point (T) and pressure testing and controlling point (P).
3. a kind of refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: described heating tube (17) locates to be provided with the 4th measurement and control of temperature point (T3).
4. a kind of refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: on described the 5th pipeline (18), be provided with the second measurement and control of temperature point (T1).
5. a kind of refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: on described the 6th pipeline (20), be provided with the 3rd measurement and control of temperature point (T2).
6. a kind of refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: in described heat-exchanger rig, be provided with the 5th measurement and control of temperature point (T4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180641.5U CN203798038U (en) | 2014-04-15 | 2014-04-15 | Refrigeration and heating temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180641.5U CN203798038U (en) | 2014-04-15 | 2014-04-15 | Refrigeration and heating temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798038U true CN203798038U (en) | 2014-08-27 |
Family
ID=51380243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180641.5U Expired - Lifetime CN203798038U (en) | 2014-04-15 | 2014-04-15 | Refrigeration and heating temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201420180641.5U patent/CN203798038U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |