CN205037612U - Heat exchanger unit - Google Patents
Heat exchanger unit Download PDFInfo
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- CN205037612U CN205037612U CN201520764959.2U CN201520764959U CN205037612U CN 205037612 U CN205037612 U CN 205037612U CN 201520764959 U CN201520764959 U CN 201520764959U CN 205037612 U CN205037612 U CN 205037612U
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Abstract
The utility model discloses a heat exchanger unit, including condenser, evaporimeter, compressor, thermostatic expansion valve, the oily cooling system of compressor heat, the oily cooling system of compressor heat includes oil cooler, oil separator, the export of compressor with oil separator's import is linked together, oil separator's export respectively with the import of the refrigerant of condenser the oil feed end is linked together, the refrigerant outlet of condenser with thermostatic expansion valve's import is linked together, thermostatic expansion valve's export respectively with the import of the refrigerant of evaporimeter it is linked together to enter the refrigerant hole, the refrigerant outlet of evaporimeter go out the refrigerant hole all with the import of compressor is linked together. The utility model has the advantages of heat exchange efficiency height, long service life, safe and reliable, and oily cooling efficiency is high, the oil cooling is effectual.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of heat exchanger unit.
Background technology
At present, in engineering, PETROLEUM PROCESSING and chemical enterprise, conventional heat exchanger with board-like and shell-and-tube is in the majority, and shell-and-tube heat exchanger because of its applying pressure and temperature range wide, manufacture the feature such as simple and be widely used.And in shell-and-tube heat exchanger, heat exchanger unit again because its structure is simple, cost is low, be convenient to the features such as cleaning, the extremely favor of user.
As the U-tube bundle of heat exchanger unit core, its security, stability directly affect the service efficiency of heat exchanger.The tube body of each U-tube that traditional U-tube is intrafascicular is free shape, is easy to rock, collide, causes the damage of U-tube, affect heat transfer effect between adjacent tubes.Traditional heat exchanger unit is single U-tube bundle heat exchanger, and heat exchange efficiency has much room for improvement.In addition, the compressor heat oil cooling system of prior art usually adopts water source to cool or air can cool, and adopt water source to cool, heat exchanger effectiveness is low, heat exchange amount is few.Air can cool, and poor stability utilizes blower fan to provide air flow power, therefore increases the consumed power of volume blower fan, can reduce the efficiency of unit equally.
Utility model content
The utility model, for the deficiencies in the prior art, discloses that a kind of heat exchanger effectiveness is high, long service life, the safe and reliable and heat exchanger unit of high, the oily good cooling results of oily cooling effectiveness.
The utility model adopts following technological means to solve the problems of the technologies described above: a kind of heat exchanger unit, comprises condenser, evaporimeter, compressor, heating power expansion valve, compressor heat oil cooling system; Described compressor heat oil cooling system comprises oil cooler, oil eliminator;
Described oil cooler comprises housing and is arranged on the coil pipe of described enclosure interior cavity, and to be snakelike shape extend along the axis of described housing described coil pipe; One end of described coil pipe is oil inlet end, the other end of described coil pipe is oil outlet end, and described oil inlet end, oil outlet end all extend out to outside described housing; The shell of described housing also offers into refrigerant hole, go out refrigerant hole, described in enter refrigerant hole, go out refrigerant hole and be connected with the internal cavities of described housing; The outlet of described compressor is connected with the import of described oil eliminator, the oil-out of described oil eliminator is connected with described oil inlet end, the refrigerant mouth that goes out of described oil eliminator is connected with the refrigerant import of described condenser, and described oil outlet end is connected with the import of described compressor; The refrigerant exit of described condenser is connected with the import of described heating power expansion valve, the outlet of described heating power expansion valve respectively with the refrigerant import of described evaporimeter, described in enter refrigerant hole and be connected, the refrigerant exit of described evaporimeter, described in go out refrigerant hole and be all connected with the import of described compressor.
Preferably: between described oil eliminator and described compressor, be provided with magnetic valve, the oil-in of described magnetic valve is connected with the oil-out of described oil eliminator, and the oil-out of described magnetic valve is connected with the import of described compressor; Also temperature sensor is provided with at the oil-out place of described oil eliminator.
Preferably: described condenser, evaporimeter are U-tube heat exchanger; Described U-tube heat exchanger comprises bobbin carriage, cylindrical shell, end plate, U-tube bundle, gripper shoe, dividing plate; The openend of described bobbin carriage is welded with described end plate, and the inwall of described bobbin carriage and described end plate are encircled into a cavity structure; Flange joint is passed through in the openend of described end plate and described cylindrical shell; Described cylindrical shell comprises skin, heat-insulation layer and internal layer from outside to inside successively; The U-tube unit arranged by the described U-tube beam matrix of some parts is set in the internal cavities of described cylindrical shell; On described U-tube unit, spacer sleeve is provided with some pieces of gripper shoes perpendicular with described U-tube unit; Described cylindrical shell offers water inlet and delivery port; Described end plate is provided with several inlet pipe holes, goes out pore, the import of each U-tube that described U-tube is intrafascicular is separately fixed in corresponding inlet pipe hole, and the outlet of each U-tube that described U-tube is intrafascicular is separately fixed at and corresponding goes out in pore; In described cavity structure, be fixed with dividing plate described in several, dividing plate described in several described cavity structure is divided into be alternately arranged enter cavity, go out cavity, described in enter cavity and be connected with corresponding inlet pipe hole, described in go out cavity and be connected with the corresponding pore that goes out; Described refrigerant import is connected with the corresponding cavity that enters, and described refrigerant exit is connected with the corresponding cavity that goes out.
Preferably: the quantity of described U-tube bundle is four parts, distribution is two row, two row, and described dividing plate is three, and described refrigerant import, refrigerant exit are two; The import of the some described U-tube that described U-tube is intrafascicular is all positioned at the top of outlet; Described cavity structure is divided into from top to bottom by three described dividing plates, enter cavity described in be alternately arranged two, go out cavity described in two; With the intrafascicular all imports of two parts of described U-tube of a line by same enter cavity be connected with same refrigerant import, with the intrafascicular all outlet ports of two parts of described U-tube of a line by same go out cavity be connected with same refrigerant exit; Two parts of described U-shaped intrafascicular all imports of same row are connected with corresponding refrigerant import respectively by the cavity that enters of correspondence, and the described U-shaped intrafascicular all outlet ports of same row two parts is connected with corresponding refrigerant exit respectively by the cavity that goes out of correspondence.
Preferably: described gripper shoe offers several supported holes, the import of described U-tube, outlet are each passed through corresponding supported hole.
Preferably: have circular elastic sealing gasket at the inner side installation by adhering of described supported hole.
The utility model has the advantage of: between cylindrical shell skin and internal layer, be provided with heat-insulation layer, reduce the loss of heat, improve heat exchanger effectiveness.The U-tube bundle of multiple matrix arrangement is set in cylindrical shell, improves heat exchange amount.On U-tube unit, spacer sleeve is provided with some pieces of gripper shoes perpendicular with described U-tube bundle, and avoid the collision between adjacent U-tube body, minimizing is rocked, and improves service life.Inside described supported hole, installation by adhering has circular resilient rubbber cushion, makes to form flexible contact between gripper shoe and body, improves security.Use the refrigerant in unit to cool the deep fat that compressor is discharged, improve oily cooling effectiveness high.By set temperature inductor and magnetic valve, when the hot oil temperature of discharging from compressor is lower than setting value, temperature inductor sends signal and drives solenoid valves, and part oil is directly got back in compressor, avoids hot oil temperature to decline too fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of heat exchanger unit of the utility model.
Fig. 2 is the structural representation of oil cooler in a kind of heat exchanger unit of the utility model.
Fig. 3 is the structural representation of U-tube heat exchanger in a kind of heat exchanger unit of the utility model.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the structural representation of gripper shoe in a kind of heat exchanger unit of the utility model.
Fig. 6 is the structural representation of a kind of heat exchanger unit of the utility model end plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in figures 1 to 6, the present embodiment discloses a kind of heat exchanger unit, comprises condenser 1, evaporimeter 2, compressor 3, heating power expansion valve 4, compressor heat oil cooling system; Described compressor heat oil cooling system comprises oil cooler 5, oil eliminator 6.
Described oil cooler 5 comprises housing 51 and is arranged on the coil pipe 52 of described housing 51 internal cavities, and the axis of described coil pipe 52 in snakelike shape to described housing 51 extends; One end of described coil pipe 52 is oil inlet end 53, the other end of described coil pipe is oil outlet end 54, and described oil inlet end 53, oil outlet end 54 all extend out to outside described housing 51; The shell of described housing 51 also offers into refrigerant hole 55, go out refrigerant hole 56, described in enter refrigerant hole 55, go out refrigerant hole 56 and be connected with the internal cavities of described housing 1.
The outlet 31 of described compressor 3 is connected with the import of described oil eliminator 6, the oil-out 61 of described oil eliminator 6 is connected with described oil inlet end 53, the refrigerant mouth 62 that goes out of described oil eliminator is connected with the refrigerant import 911 of described condenser 1, and described oil outlet end 54 is connected with the import 32 of described compressor 3; The refrigerant exit 912 of described condenser 1 is connected with the import of described heating power expansion valve 4, the outlet of described heating power expansion valve 4 respectively with the refrigerant import of described evaporimeter 2, described in enter refrigerant hole 55 and be connected, the refrigerant exit of described evaporimeter 2, described in go out refrigerant hole 56 and be all connected with the import 32 of described compressor 3.
Between described oil eliminator 6 and described compressor 3, be provided with magnetic valve 7, the oil-in of described magnetic valve 7 is communicated with the oil-out 61 of described oil eliminator 6, and the oil-out of described magnetic valve 7 is connected with the import 32 of described compressor 3; Temperature sensor 8 is equipped with at the oil-out 61 of described oil eliminator 6.
Described condenser 1, evaporimeter 2 are U-tube heat exchanger, and described U-tube heat exchanger comprises bobbin carriage 91, cylindrical shell 92, end plate 93, U-tube bundle 94, gripper shoe 95, dividing plate 96.The openend of described bobbin carriage 91 is welded with described end plate 93, and the inwall of described bobbin carriage 91 and described end plate 93 are encircled into a cavity structure; Described end plate 93 is connected by flange 97 with the openend of described cylindrical shell 92; Described cylindrical shell 92 comprises skin 921, heat-insulation layer 922 and internal layer 923 from outside to inside successively; The U-tube unit arranged by some parts described U-tube bundle 94 matrix is set in the internal cavities of described cylindrical shell 92; On described U-tube unit, spacer sleeve is provided with some pieces of described gripper shoes 95 perpendicular with described U-tube unit; Described cylindrical shell 92 offers water inlet 924 and delivery port 925; Described end plate 93 is provided with several inlet pipe holes 931, goes out pore 932, the import of each U-tube in described U-tube bundle 94 is separately fixed in corresponding inlet pipe hole 931, and the outlet of each U-tube in described U-tube bundle 94 is separately fixed at and corresponding goes out in pore 932; Dividing plate 96 described in several is fixed with in described cavity structure, dividing plate 96 described in several described cavity structure is divided into be alternately arranged enter cavity 98, go out cavity 99, described enter cavity 98 be connected with corresponding inlet pipe hole 931, described in go out cavity 99 and be connected with the corresponding pore 932 that goes out; Described bobbin carriage 91 is provided with several refrigerant imports 911 and refrigerant exit 912, described refrigerant import 911 is connected with the corresponding cavity 98 that enters, and described refrigerant exit 912 is connected with the corresponding cavity 99 that goes out.
The quantity of described U-tube bundle 94 is four parts, and distribution is two row, two row, and described dividing plate 96 is three, and refrigerant import 911, refrigerant exit 912 are two; The import 941 of some described U-tube in described U-tube bundle 94 is all positioned at the top of outlet 942; Described cavity structure is divided into from top to bottom by three described dividing plates 96, enter described in cavity 98, two to go out cavity 99 described in be alternately arranged two; With all imports in two parts of described U-tube bundles 94 of a line by same enter cavity 98 be connected with same refrigerant import 911, with all outlet ports in two parts of described U-tube bundles 94 of a line by same go out cavity 99 be connected with same refrigerant exit 912; All imports in two parts of described U-shaped bundles 94 of same row are connected with corresponding refrigerant import 911 respectively by the cavity 98 that enters of correspondence, and all outlet ports in the described U-shaped bundle 94 of same row two parts is connected with corresponding refrigerant exit 912 respectively by the cavity 99 that goes out of correspondence.
Described gripper shoe 95 offers several supported holes 951, import 941, the outlet 942 of described U-tube are each passed through corresponding supported hole 951.
Circular elastic sealing gasket 952 is had at the inner side installation by adhering of described supported hole 951.
The present embodiment flows in oil eliminator 6 by the cold media gas with deep fat of being discharged by compressor 3, be separated, deep fat flow into oil inlet end 53 from oil-out 61, and refrigerant flows out from going out refrigerant mouth 62 and carries out heat exchange from the water at low temperature that the water inlet 924 of condenser 1 flows to, water at low temperature is absorbed heat, temperature raises, and discharges from the delivery port 925 of condenser 1; The cryogenic high pressure refrigerant liquid flowed out from condenser 1, through the effect of heating power expansion valve 4, forms the refrigerant liquid of low-temp low-pressure; The refrigerant liquid of part low-temp low-pressure enters in the U-tube of evaporimeter 2, and the water at low temperature flow to the water inlet from evaporimeter 2 carries out heat exchange, and water at low temperature is dispelled the heat, and temperature reduces, and discharges from the delivery port of evaporimeter 2; And after the refrigerant liquid heat absorption of low-temp low-pressure, gasification, flows out to the refrigerant import 32 of described compressor 3, recycles from the refrigerant exit 912 of evaporimeter 2.The refrigerant liquid of another part low-temp low-pressure flows in the internal cavities of oil cooler shell through the refrigerant hole 55 of entering of oil cooler 5, heat exchange is carried out with the deep fat flowing into coil pipe 52 from oil inlet end 53, after deep fat radiating and cooling, flow out from oil outlet end, be back in compressor 3, and the cold media gas of endothermic gasification discharges from going out refrigerant hole 56 water inlet flowing out to described compressor 3, recycle.
When the hot oil temperature of discharging from compressor 3 is lower than setting value, magnetic valve 7 is energized, and temperature inductor 8 sends signal and drives magnetic valve 7 to be energized, and avoids hot oil temperature to decline too fast.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and description; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. a heat exchanger unit, is characterized in that: comprise condenser, evaporimeter, compressor, heating power expansion valve, compressor heat oil cooling system; Described compressor heat oil cooling system comprises oil cooler, oil eliminator;
Described oil cooler comprises housing and is arranged on the coil pipe of described enclosure interior cavity, and to be snakelike shape extend along the axis of described housing described coil pipe; One end of described coil pipe is oil inlet end, the other end of described coil pipe is oil outlet end, and described oil inlet end, oil outlet end all extend out to outside described housing; The shell of described housing also offers into refrigerant hole, go out refrigerant hole, described in enter refrigerant hole, go out refrigerant hole and be connected with the internal cavities of described housing; The outlet of described compressor is connected with the import of described oil eliminator, the oil-out of described oil eliminator is connected with described oil inlet end, the refrigerant mouth that goes out of described oil eliminator is connected with the refrigerant import of described condenser, and described oil outlet end is connected with the import of described compressor; The refrigerant exit of described condenser is connected with the import of described heating power expansion valve, the outlet of described heating power expansion valve respectively with the refrigerant import of described evaporimeter, described in enter refrigerant hole and be connected, the refrigerant exit of described evaporimeter, described in go out refrigerant hole and be all connected with the import of described compressor.
2. a kind of heat exchanger unit according to claim 1, it is characterized in that: between described oil eliminator and described compressor, be provided with magnetic valve, the oil-in of described magnetic valve is connected with the oil-out of described oil eliminator, and the oil-out of described magnetic valve is connected with the import of described compressor; Also temperature sensor is provided with at the oil-out place of described oil eliminator.
3. a kind of heat exchanger unit according to claim 1, is characterized in that: described condenser, evaporimeter are U-tube heat exchanger; Described U-tube heat exchanger comprises bobbin carriage, cylindrical shell, end plate, U-tube bundle, gripper shoe, dividing plate; The openend of described bobbin carriage is welded with described end plate, and the inwall of described bobbin carriage and described end plate are encircled into a cavity structure; Flange joint is passed through in the openend of described end plate and described cylindrical shell; Described cylindrical shell comprises skin, heat-insulation layer and internal layer from outside to inside successively; The U-tube unit arranged by the described U-tube beam matrix of some parts is set in the internal cavities of described cylindrical shell; On described U-tube unit, spacer sleeve is provided with some pieces of gripper shoes perpendicular with described U-tube unit; Described cylindrical shell offers water inlet and delivery port; Described end plate is provided with several inlet pipe holes, goes out pore, the import of each U-tube that described U-tube is intrafascicular is separately fixed in corresponding inlet pipe hole, and the outlet of each U-tube that described U-tube is intrafascicular is separately fixed at and corresponding goes out in pore; In described cavity structure, be fixed with dividing plate described in several, dividing plate described in several described cavity structure is divided into be alternately arranged enter cavity, go out cavity, described in enter cavity and be connected with corresponding inlet pipe hole, described in go out cavity and be connected with the corresponding pore that goes out; Described refrigerant import is connected with the corresponding cavity that enters, and described refrigerant exit is connected with the corresponding cavity that goes out.
4. a kind of heat exchanger unit according to claim 3, is characterized in that: the quantity of described U-tube bundle is four parts, and distribution is two row, two row, and described dividing plate is three, and described refrigerant import, refrigerant exit are two; The import of the some described U-tube that described U-tube is intrafascicular is all positioned at the top of outlet; Described cavity structure is divided into from top to bottom by three described dividing plates, enter cavity described in be alternately arranged two, go out cavity described in two; With the intrafascicular all imports of two parts of described U-tube of a line by same enter cavity be connected with same refrigerant import, with the intrafascicular all outlet ports of two parts of described U-tube of a line by same go out cavity be connected with same refrigerant exit; Two parts of described U-shaped intrafascicular all imports of same row are connected with corresponding refrigerant import respectively by the cavity that enters of correspondence, and the described U-shaped intrafascicular all outlet ports of same row two parts is connected with corresponding refrigerant exit respectively by the cavity that goes out of correspondence.
5. a kind of heat exchanger unit according to claim 4, is characterized in that: described gripper shoe offers several supported holes, and import, the outlet of described U-tube are each passed through corresponding supported hole.
6. a kind of heat exchanger unit according to claim 5, is characterized in that: have circular elastic sealing gasket at the inner side installation by adhering of described supported hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764959.2U CN205037612U (en) | 2015-09-29 | 2015-09-29 | Heat exchanger unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764959.2U CN205037612U (en) | 2015-09-29 | 2015-09-29 | Heat exchanger unit |
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| Publication Number | Publication Date |
|---|---|
| CN205037612U true CN205037612U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520764959.2U Active CN205037612U (en) | 2015-09-29 | 2015-09-29 | Heat exchanger unit |
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| CN (1) | CN205037612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135727A (en) * | 2015-09-29 | 2015-12-09 | 泗县峻林机械有限公司 | Heat exchanger set |
| CN114322464A (en) * | 2020-09-30 | 2022-04-12 | 浙江同景新能源集团有限公司 | Cold trap system of freeze-drying equipment |
-
2015
- 2015-09-29 CN CN201520764959.2U patent/CN205037612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135727A (en) * | 2015-09-29 | 2015-12-09 | 泗县峻林机械有限公司 | Heat exchanger set |
| CN114322464A (en) * | 2020-09-30 | 2022-04-12 | 浙江同景新能源集团有限公司 | Cold trap system of freeze-drying equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |