CN203798048U - Refrigerating and heating temperature-control system - Google Patents
Refrigerating and heating temperature-control system Download PDFInfo
- Publication number
- CN203798048U CN203798048U CN201420180951.7U CN201420180951U CN203798048U CN 203798048 U CN203798048 U CN 203798048U CN 201420180951 U CN201420180951 U CN 201420180951U CN 203798048 U CN203798048 U CN 203798048U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- gas
- liquid separator
- pipeline
- intermediate heat
- 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 12
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000005259 measurement Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 20
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 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
- 238000002309 gasification 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
The utility model relates to a refrigerating and heating temperature-control system. The temperature-control system comprises a heat exchanger, wherein one end of the heat exchanger is successively connected with an exhaust valve, an expansion tank, a one-way valve, a circulating pump, a first middle heat exchanger, a first electronic expansion valve, a second middle heat exchanger, a first expansion valve, a first gas-liquid separator, a third middle heat exchanger, a second expansion valve, a second gas-liquid separator, a condenser, an oil separator, a compressor and a third gas-liquid separator; the third gas-liquid separator is connected to the first middle heat exchanger; the outlet of the first middle heat exchanger is connected to the other end of the heat exchanger through a fourth pipeline; a second electronic expansion valve is mounted between the bottom of the second gas-liquid separator and the third gas-liquid separator in a penetration manner; the upper part of the third middle heat exchanger is communicated with the third gas-liquid separator through a second pipeline; the upper part of the second middle heat exchanger is communicated with the third gas-liquid separator through a third pipeline. The temperature-control 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 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 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 5th pipeline, expansion drum, check valve, circulating pump, the first Intermediate Heat Exchanger, the first electric expansion valve, the second Intermediate Heat Exchanger, the first expansion valve, the first gas-liquid separator, the 3rd Intermediate Heat Exchanger, the second expansion valve, the second gas-liquid separator, condenser, oil eliminator, compressor, the 3rd gas-liquid separator, described the 3rd gas-liquid separator is connected to the first Intermediate Heat Exchanger, the exit of described the first Intermediate Heat Exchanger is connected to the other end of heat-exchanger rig by the 4th pipeline, on described the 4th pipeline, heating tube is installed, between described the second gas-liquid separator bottom and the 3rd gas-liquid separator, by the first pipeline, the second electric expansion valve is installed, described the 3rd Intermediate Heat Exchanger top is communicated with the 3rd gas-liquid separator by the second pipeline, and described the 3rd Intermediate Heat Exchanger top is also communicated with the second gas-liquid separator top by the 6th pipeline, described the second Intermediate Heat Exchanger top is communicated with the 3rd gas-liquid separator by the 3rd pipeline, and described the second Intermediate Heat Exchanger top is also communicated with the first gas-liquid separator top by branch road.
Further improvement as technique scheme:
On the pipeline between compressor and the 3rd 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 4th pipeline, be 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;
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 110 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 3rd gas-liquid separator; 4, condenser; 5, the second electric expansion valve; 6, the 6th pipeline; 7, the second gas-liquid separator; 8, the first pipeline; 9, expansion drum; 10, the second pipeline; 11, the second expansion valve; 12, the 3rd Intermediate Heat Exchanger; 13, the 3rd pipeline; 14, the first gas-liquid separator; 15, the first expansion valve; 16, the second Intermediate Heat Exchanger; 17, the first electric expansion valve; 18, the first Intermediate Heat Exchanger; 19, heating tube; 20, the 4th pipeline; 21, reactor; 22, the 5th pipeline; 23, circulating pump; 24, check valve; 25, 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 21, one end of reactor 21 is connected with air bleeding valve 25 in turn by the 5th pipeline 22, expansion drum 9, check valve 24, circulating pump 23, the first Intermediate Heat Exchanger 18, the first electric expansion valve 17, the second Intermediate Heat Exchanger 16, the first expansion valve 15, the first gas-liquid separator 14, the 3rd Intermediate Heat Exchanger 12, the second expansion valve 11, the second gas-liquid separator 7, condenser 4, oil eliminator 1, compressor 2, the 3rd gas-liquid separator 3, the 3rd gas-liquid separator 3 is connected to the first Intermediate Heat Exchanger 18, the exit of the first Intermediate Heat Exchanger 18 is connected to the other end of reactor 21 by the 4th pipeline 20, on the 4th pipeline 20, heating tube 19 is installed, between the second gas-liquid separator 7 bottoms and the 3rd gas-liquid separator 3, by the first pipeline 8, the second electric expansion valve 5 is installed, the 3rd Intermediate Heat Exchanger 12 tops are communicated with the 3rd gas-liquid separator 3 by the second pipeline 10, and the 3rd Intermediate Heat Exchanger 12 tops are also communicated with the second gas-liquid separator 7 tops by the 6th pipeline 6, the second Intermediate Heat Exchanger 16 tops are communicated with the 3rd gas-liquid separator 3 by the 3rd pipeline 13, and the second Intermediate Heat Exchanger 16 tops are also communicated with the first gas-liquid separator 14 tops by branch road.
On the pipeline between compressor 2 and the 3rd 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 19 places are provided with the 4th measurement and control of temperature point T3.
On the 4th pipeline 20, be provided with the second measurement and control of temperature point T1.
On the 5th pipeline 22, be provided with the 3rd measurement and control of temperature point T2.
In reactor 21, 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 25, open circulating pump 23, 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 25.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 23 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 second gas-liquid separator 7 → the second expansion valve 11 → three Intermediate Heat Exchanger 12 → the first gas-liquid separator 14 → the first expansion valve 15 → the second Intermediate Heat Exchanger 16 → the first electric expansion valve 17 → the first Intermediate Heat Exchanger 18 → three 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 23 and exports as required heating power, and temperature is controlled in the scope needing.
In actual use procedure, cold-producing medium adopts R404A, R508B and R14, it compresses by compressor 2, enter oil eliminator 1, then after the interior mixing of condenser 4, enter in the second gas-liquid separator 7, liquid R404A enters the second expansion valve 11, then enter the 3rd Intermediate Heat Exchanger 12, the R508B and the R14 that become gaseous state enter the 3rd Intermediate Heat Exchanger 12 by the 6th pipeline 6, by heat exchange effect, the R404A that changes gaseous state into enters in the 3rd gas-liquid separator 3, and R508B liquefaction, R14 gasification, both enter the first gas-liquid separator 14 simultaneously, the R14 of gaseous state enters the second Intermediate Heat Exchanger 16, after entering the first expansion valve 15, liquid R508B enters the second Intermediate Heat Exchanger 16, by the effect of the second Intermediate Heat Exchanger 16, after entering the first electric expansion valve 17, liquid R14 enters again the first Intermediate Heat Exchanger 18, and the R508B of gaseous state enters the 3rd gas-liquid separator 3, finally finally temperature required by the first Intermediate Heat Exchanger 18 outputs.
The utility model is realized cooling step by step by the 3rd Intermediate Heat Exchanger 12, the second Intermediate Heat Exchanger 16 and the first Intermediate Heat Exchanger 18.
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 (25) in turn by the 5th pipeline (22), expansion drum (9), check valve (24), circulating pump (23), the first Intermediate Heat Exchanger (18), the first electric expansion valve (17), the second Intermediate Heat Exchanger (16), the first expansion valve (15), the first gas-liquid separator (14), the 3rd Intermediate Heat Exchanger (12), the second expansion valve (11), the second gas-liquid separator (7), condenser (4), oil eliminator (1), compressor (2), the 3rd gas-liquid separator (3), described the 3rd gas-liquid separator (3) is connected to the first Intermediate Heat Exchanger (18), the exit of described the first Intermediate Heat Exchanger (18) is connected to the other end of heat-exchanger rig by the 4th pipeline (20), on described the 4th pipeline (20), heating tube (19) is installed, between described the second gas-liquid separator (7) bottom and the 3rd gas-liquid separator (3), by the first pipeline (8), the second electric expansion valve (5) is installed, described the 3rd Intermediate Heat Exchanger (12) top is communicated with the 3rd gas-liquid separator (3) by the second pipeline (10), and described the 3rd Intermediate Heat Exchanger (12) top is also communicated with the second gas-liquid separator (7) top by the 6th pipeline (6), described the second Intermediate Heat Exchanger (16) top is communicated with the 3rd gas-liquid separator (3) by the 3rd pipeline (13), and described the second Intermediate Heat Exchanger (16) top is also communicated with the first gas-liquid separator (14) top by branch road.
2. refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: be positioned on the pipeline between compressor (2) and the 3rd gas-liquid separator (3) and be provided with the first measurement and control of temperature point (T) and pressure testing and controlling point (P).
3. refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: described heating tube (19) locates to be provided with the 4th measurement and control of temperature point (T3).
4. refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: on described the 4th pipeline (20), be provided with the second measurement and control of temperature point (T1).
5. refrigeration heated for controlling temperature system as claimed in claim 1, is characterized in that: on described the 5th pipeline (22), be provided with the 3rd measurement and control of temperature point (T2).
6. 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 |
|---|---|---|---|
| CN201420180951.7U CN203798048U (en) | 2014-04-15 | 2014-04-15 | Refrigerating and heating temperature-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180951.7U CN203798048U (en) | 2014-04-15 | 2014-04-15 | Refrigerating and heating temperature-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798048U true CN203798048U (en) | 2014-08-27 |
Family
ID=51380253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180951.7U Expired - Lifetime CN203798048U (en) | 2014-04-15 | 2014-04-15 | Refrigerating and heating temperature-control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798048U (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 CN201420180951.7U patent/CN203798048U/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 |