CN112097420A - Shell-tube heat exchanger, control method thereof and heat pump unit - Google Patents
Shell-tube heat exchanger, control method thereof and heat pump unit Download PDFInfo
- Publication number
- CN112097420A CN112097420A CN202010904071.XA CN202010904071A CN112097420A CN 112097420 A CN112097420 A CN 112097420A CN 202010904071 A CN202010904071 A CN 202010904071A CN 112097420 A CN112097420 A CN 112097420A
- Authority
- CN
- China
- Prior art keywords
- shell
- heat exchanger
- heat exchange
- fluid
- tube
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 14
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application provides a shell-and-tube heat exchanger, a control method thereof and a heat pump unit. The shell-and-tube heat exchanger comprises a shell, wherein a circulation channel of a first fluid is arranged in the shell; the heating member is arranged in the shell and used for heating the first fluid in the circulating channel. The heating element is arranged inside the shell-and-tube heat exchanger, so that the space of the heat exchanger is reasonably utilized, the heating effect can be well achieved, and the problems of low-temperature heat exchange efficiency and incapability of starting are solved; and the heat exchanger has simple structure and is easy to assemble.
Description
Technical Field
The application belongs to the technical field of heat pump units, and particularly relates to a shell-and-tube heat exchanger, a control method thereof and a heat pump unit.
Background
The shell-and-tube heat exchanger is widely applied to commercial air conditioning units and refrigeration equipment as a heat exchange heat exchanger piece has the advantages of high heat exchange efficiency, convenience in installation, medium liquid storage function and the like. However, the shell-and-tube heat exchanger under the current conditions generally only considers the use environment under the normal temperature condition, but under some low-temperature extreme environments, the heat exchange efficiency of the shell-and-tube heat exchanger can be greatly reduced, and even the heat exchange system can not be normally started.
In the prior art, an electric heating module is added outside a system alone or an electric heating system is added outside a unit to heat a shell-and-tube heat exchanger, so that the heat exchange coefficient is increased; however, the methods occupy large space and position, have high installation cost and complex function realization.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide a shell and tube heat exchanger, a control method thereof and a heat pump unit, which can simplify the structure and improve the heat exchange rate in a low-temperature environment.
In order to solve the above problems, the present application provides a shell and tube heat exchanger, including:
the device comprises a shell, a first fluid and a second fluid, wherein a circulation channel of the first fluid is arranged in the shell;
the heating member is arranged in the shell and used for heating the first fluid in the circulating channel.
Optionally, the heating element comprises an electrical heating module interposed in the flow channel.
Optionally, a heat exchange member is disposed in the casing, and the heat exchange member is disposed in the flow channel and exchanges heat with the first fluid; the heating member is located upstream of the heat exchanging member in a flow direction of the first fluid.
Optionally, the heat exchange member comprises a heat exchange line, and a second fluid flows in the heat exchange line; the temperature of the second fluid is less than the temperature of the first fluid.
Optionally, a cylinder is arranged in the shell, and one end of the cylinder is communicated with the inlet of the circulation channel; the heating member is arranged in the barrel, and the heat exchange member is arranged between the barrel and the shell.
Optionally, when the heat exchange piece comprises a heat exchange pipeline, the heat exchange pipeline is symmetrically bent by a single pipe and spirally wound on the outer wall of the cylinder body.
Optionally, the casing includes a vertically arranged straight cylinder, the upper and lower ends of the straight cylinder are both provided with end covers in sealing fit, the lower end cover is provided with a liquid inlet pipe communicated with the inlet end of the circulation channel, and the wall of the straight cylinder is provided with a liquid outlet pipe communicated with the outlet end of the circulation channel; the heating member is fixed to the upper end cap.
Optionally, when a cylinder is arranged in the shell, the cylinder is vertically arranged, and the lower port is hermetically fixed with the lower end cover and communicated with the liquid inlet pipe; the upper port is lower than the upper end cover, and the heating element part is inserted into the barrel; the liquid outlet pipe is arranged at the lower part of the straight cylinder wall.
According to another aspect of the present application, there is provided a method of controlling the shell-and-tube heat exchanger as described above, including:
measuring the temperature T1 of the first fluid entering the shell and tube heat exchanger; t1 is compared with a preset temperature T0; when T1 is less than T0, the heating element is turned on to heat the first fluid until T1 is not less than T0.
According to another aspect of the present application, there is provided a heat pump unit comprising a shell and tube heat exchanger as described above.
The application provides a shell and tube heat exchanger includes: the device comprises a shell, a first fluid and a second fluid, wherein a circulation channel of the first fluid is arranged in the shell; the heating member is arranged in the shell and used for heating the first fluid in the circulating channel. The heating element is arranged inside the shell-and-tube heat exchanger, so that the space of the heat exchanger is reasonably utilized, the heating effect can be well achieved, and the problems of low-temperature heat exchange efficiency and incapability of starting are solved; and the heat exchanger has simple structure and is easy to assemble.
Drawings
Fig. 1 is an exploded view of a shell and tube heat exchanger according to an embodiment of the present application;
FIG. 2 is an external schematic view of a shell and tube heat exchanger according to an embodiment of the present application;
FIG. 3 is a sectional view taken along line A-A in FIG. 2 according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a lower end cap according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a heat exchange pipeline according to an embodiment of the present application;
fig. 7 illustrates a control method of a commercial oil chiller according to an embodiment of the present application.
The reference numerals are represented as:
1. a bolt assembly; 2. an upper end cover; 3. a rubber pad; 4. a housing; 5. a liquid outlet pipe; 6. a left mounting bracket; 7. a barrel; 8. a right mounting bracket; 9. a heat exchange line; 10. a lower end cover; 11. a liquid inlet pipe; 101. a through hole; 102. a through hole; 103. a through hole; 201. a through hole; 301. a through hole; 402. a through hole; 202. an electric heating module; 401. a threaded hole; 901. a refrigerant inlet; 902. a refrigerant outlet.
Detailed Description
Referring collectively to fig. 1-7, according to an embodiment of the present application, a shell and tube heat exchanger includes:
a shell 4, wherein a first fluid circulation channel is arranged in the shell 4;
a heating element provided in the housing 4 for heating the first fluid in the flow-through channel.
A heating element is arranged in the shell 4 of the shell-and-tube heat exchanger and can heat the fluid in the circulation channel; therefore, the space of the heat exchanger can be reasonably utilized, the structure of the heat exchanger is simplified, a good heating effect is achieved, and the problem that the low-temperature heat exchange efficiency is low and even the starting cannot be realized is solved.
In some embodiments, the heating element comprises an electrical heating module 202, the electrical heating module 202 being interposed in the flow-through channel.
The electric heating module 202 is inserted into the circulation channel, so that the fluid can be conveniently heated, the efficiency is high, and the control is easy.
In some embodiments, a heat exchange element is provided inside the casing 4, said heat exchange element being provided in said flow-through channel in heat exchange with said first fluid; the heating member is located upstream of the heat exchanging member in a flow direction of the first fluid.
The heating member is established in the upper reaches of heat transfer spare, can in time heat first fluid, promotes first fluid flow, and the convenience takes place the heat exchange with heat transfer spare to low temperature heat exchange efficiency has been improved.
In some embodiments, the heat exchange member comprises a heat exchange line 9, a second fluid flowing in said heat exchange line 9; the temperature of the second fluid is less than the temperature of the first fluid.
The heat exchange piece specifically adopts a management structure, and the low-temperature second fluid is injected into the pipeline, so that the heat exchange with the first fluid can be realized, and the flowing of the first fluid is not influenced.
In some embodiments, a cylinder 7 is arranged in the housing 4, and one end of the cylinder 7 is communicated with the inlet of the flow-through channel; the heating element is arranged in the cylinder 7, and the heat exchange element is arranged between the cylinder 7 and the shell 4.
The cylinder body 7 is arranged in the shell 4, the heating element and the heat exchange element are skillfully arranged on the inner side and the outer side of the cylinder body 7, the flow path of the first fluid can be prolonged, and the first fluid have heat exchange action on different flows respectively.
In some embodiments, when the heat exchange member comprises the heat exchange pipeline 9, the heat exchange pipeline 9 is formed by symmetrically bending a single pipe and spirally winding the single pipe on the outer wall of the cylinder 7.
The heat exchange tube is symmetrically bent by a single tube and is spirally wound on the outer wall of the cylinder body 7, so that the heat exchange tube is easy to manufacture and assemble, and the heat exchange area and the efficiency are improved.
In some embodiments, the housing 4 comprises a vertically arranged straight cylinder, the upper end and the lower end of the straight cylinder are both provided with end covers in sealing fit, the lower end cover 10 is provided with a liquid inlet pipe 11 communicated with the inlet end of the circulation channel, and the wall of the straight cylinder is provided with a liquid outlet pipe 5 communicated with the outlet end of the circulation channel; the heating element is fixed to the upper end cap 2.
The vertical straight cylinder is adopted, and the upper end cover 10 and the lower end cover 10 are matched to form an integral shell structure of the heat exchanger, so that the heat exchanger is simple in structure and easy to assemble.
In some embodiments, when the cylinder 7 is disposed in the housing 4, the cylinder 7 is disposed vertically, and the lower port is hermetically fixed to the lower end cover 10 and is communicated with the liquid inlet pipe 11; the upper port is lower than the upper end cover 2, and the heating element part is inserted into the cylinder body 7; the liquid outlet pipe 5 is arranged at the lower part of the straight cylinder wall.
The barrel 7 is vertically arranged in the shell 4, so that the first fluid enters from the feeding pipe, rises along the barrel 7, is heated by the heating element after overflowing the upper end opening of the barrel 7, and exchanges heat with the heat exchange element, and the effect of improving the low-temperature heat exchange efficiency is achieved.
The structure of an electrically heated shell and tube heat exchanger, which is mainly comprised of: bolt assembly 1, upper end cover 2, rubber pad 3, casing 4, drain pipe 5, left installing support 6, barrel 7, right installing support 8, heat transfer pipeline 9, lower end cover 10, feed liquor pipe 11. The shell is of a cylindrical structure with a flange, six threaded holes 401 with the same specification are uniformly distributed on the flange, and a circular through hole 402 is formed in the bottom of the flange; six circular through holes 201 with the same size are uniformly distributed on the upper end cover, and an electric heating module 202 is embedded into the upper end cover 2; circular through holes 301 with the same size as the circular through holes 201 are uniformly distributed on the rubber pad 3; the lower end cover 10 has three circular through holes 101, 102, 103; refrigerant can circulate in the heat exchange pipeline 9, one end is a refrigerant inlet 901, and the other end is a refrigerant outlet 902; the heat exchange pipeline 9 is symmetrically bent by a single pipe and then bent to form a double-strand spiral winding structure, and the spiral angle is 10-30 degrees.
When in specific manufacturing, the liquid outlet pipe 5 is matched with the circular through hole 402 and then integrated with the shell 4 through full welding, the liquid inlet pipe 11 is matched with the circular through hole 103 and then integrated with the lower end cover 10 through full welding, and then the barrel 7 is matched with the lower end cover 10 and then connected through full welding; the heat exchange pipeline 9 is tightly attached to the outer wall of the cylinder body 7 in a spiral winding mode, the refrigerant inlet 901 is matched with the circular through hole 101 to penetrate out, the refrigerant inlet 902 is matched with the circular through hole 102 to penetrate out, the matching surface is sealed and fixed through full-welding, the lower end cover 10 is integrally arranged inside the shell body 4, and the contact surface is connected through full-welding. When the upper end cover 2 is assembled, the rubber pad 3 is required to be added in the middle of the shell 4, the uniformly distributed circular through holes 201, the circular through holes 301 and the threaded holes 401 are assembled in a one-to-one correspondence mode, and then the bolt assemblies 1 are fastened and sealed. Left installing support 6 and right installing support 8 weld in 4 both sides of casing for it is fixed with the unit installation. When the heat exchanger works, the refrigerant flows in from the refrigerant inlet 901, and flows out from the refrigerant outlet 902 to complete the cycle. The secondary refrigerant enters the cylinder 7 through the liquid inlet 11 and is gradually filled, the electric heating module 202 can complete heating of the secondary refrigerant, when the cylinder 7 is filled, the secondary refrigerant can gradually overflow to fill the cylinder 7 and the shell 4 and then fully contact the heat exchange pipeline 9 to complete heat exchange, and then flows out of the shell through the liquid outlet pipe 5 due to the height difference between the cylinder 7 and the shell 4.
After the heat exchange pipeline 9 is symmetrically bent, the heat exchange pipeline is tightly attached to the outer wall of the cylinder 7 in a double-strand spiral winding mode, and the heat exchange efficiency is improved. The liquid inlet pipe 11 and the liquid outlet pipe 5 are arranged at the bottom of the shell 4, not only can be used as a secondary refrigerant inlet and outlet, but also can be used for discharging and cleaning the inside of the shell.
According to another embodiment of the present application, there is provided a method of controlling the shell and tube heat exchanger as described above, including:
measuring the temperature T1 of the first fluid entering the shell and tube heat exchanger; t1 is compared with a preset temperature T0; when T1 is less than T0, the heating element is turned on to heat the first fluid until T1 is not less than T0.
According to another embodiment of the present application, there is provided a heat pump unit comprising a shell and tube heat exchanger as described above.
The heat pump unit comprises a commercial air conditioning unit and a refrigeration device, such as a commercial oil cooler, and by using the heat exchanger, the electric heating function can be well realized, and the problems of low-temperature heat exchange efficiency and incapability of starting are solved; the heat exchange efficiency is high, the installation is simple, and the cleaning is convenient; meanwhile, the heat exchanger can also realize the liquid storage function and is used as an oil tank.
The heat exchange system of the commercial oil cooler has an open critical temperature T0, the flow of oil temperature control is shown in FIG. 7, when the inlet oil temperature T1 is more than or equal to T0, the heat exchange system is opened to output the outlet oil temperature; when T1 is not less than T0, the electric heating is started to finish oil heating, and when T1 is not less than T0, the electric heating is closed, the heat exchange system is started, and the outlet oil temperature is output.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (10)
1. A shell and tube heat exchanger, comprising:
a housing (4), wherein a first fluid flow channel is arranged in the housing (4);
a heating element provided in the housing (4) for heating the first fluid in the flow-through channel.
2. The shell-and-tube heat exchanger according to claim 1, characterized in that the heating element comprises an electric heating module (202), the electric heating module (202) being inserted in the flow channel.
3. The shell and tube heat exchanger according to claim 1, wherein a heat exchange element is provided in the shell (4), which heat exchange element is provided in the flow-through channel in heat exchange with the first fluid; the heating member is located upstream of the heat exchanging member in a flow direction of the first fluid.
4. The shell and tube heat exchanger according to claim 3 wherein the heat exchange element comprises a heat exchange line (9), a second fluid flowing in the heat exchange line (9); the temperature of the second fluid is less than the temperature of the first fluid.
5. The shell and tube heat exchanger according to claim 3, characterized in that a cylinder (7) is provided in the shell (4), one end of the cylinder (7) communicating with the inlet of the flow channel; the heating member is arranged in the barrel body (7), and the heat exchange member is arranged between the barrel body (7) and the shell body (4).
6. The shell and tube heat exchanger according to claim 5, characterized in that when the heat exchange element comprises a heat exchange line (9), the heat exchange line (9) is symmetrically bent from a single tube and is spirally wound on the outer wall of the cylinder (7).
7. The shell-and-tube heat exchanger according to claim 1, characterized in that the shell (4) comprises a vertically arranged straight tube, the upper and lower ends of the straight tube are provided with end caps which are in sealing fit, the lower end cap (10) is provided with a liquid inlet pipe (11) which is communicated with the inlet end of the flow channel, and the wall of the straight tube is provided with a liquid outlet pipe (5) which is communicated with the outlet end of the flow channel; the heating element is fixed on the upper end cover (2).
8. The shell-and-tube heat exchanger according to claim 7, characterized in that when a cylinder (7) is arranged in the shell (4), the cylinder (7) is arranged vertically, and a lower port is hermetically fixed with the lower end cover (10) and is communicated with the liquid inlet pipe (11); the upper port is lower than the upper end cover (2), and the heating element part is inserted into the cylinder body (7); the liquid outlet pipe (5) is arranged at the lower part of the straight cylinder wall.
9. A method of controlling a shell and tube heat exchanger as set forth in any one of claims 1 through 8, comprising:
measuring the temperature T1 of the first fluid entering the shell and tube heat exchanger; t1 is compared with a preset temperature T0; when T1 is less than T0, the heating element is turned on to heat the first fluid until T1 is not less than T0.
10. A heat pump unit comprising a shell-and-tube heat exchanger according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904071.XA CN112097420A (en) | 2020-09-01 | 2020-09-01 | Shell-tube heat exchanger, control method thereof and heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904071.XA CN112097420A (en) | 2020-09-01 | 2020-09-01 | Shell-tube heat exchanger, control method thereof and heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112097420A true CN112097420A (en) | 2020-12-18 |
Family
ID=73757175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010904071.XA Pending CN112097420A (en) | 2020-09-01 | 2020-09-01 | Shell-tube heat exchanger, control method thereof and heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112097420A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04141344A (en) * | 1990-09-28 | 1992-05-14 | Fuji Electric Co Ltd | Adjustment device for liquid temperature |
| JPH0552486A (en) * | 1991-08-22 | 1993-03-02 | Fuji Electric Co Ltd | Heat exchanger for liquid |
| AU2004212549A1 (en) * | 2003-09-18 | 2005-04-07 | Newlands, Terence William Mr | Improved (shower drain) heat exchanger |
| JP2005262402A (en) * | 2004-03-19 | 2005-09-29 | Technomate Co Ltd | Slurry cooling device, slurry heating device and slurry supply device |
| CN103542618A (en) * | 2012-07-11 | 2014-01-29 | Lg电子株式会社 | Heat exchanger |
| JP3207788U (en) * | 2016-09-21 | 2016-12-01 | Ｍｄｉ株式会社 | Shell and coil heat exchanger |
| CN109931792A (en) * | 2019-01-28 | 2019-06-25 | 沃姆环境设备启东有限公司 | Two-pass highly-efficient heat exchanger |
| CN209745048U (en) * | 2019-03-13 | 2019-12-06 | 浙江三新科技有限公司 | High-efficient shell and tube heat exchanger |
| CN110686530A (en) * | 2019-09-19 | 2020-01-14 | 马鞍山汉德绿色建筑环境科技有限公司 | Titanium heat exchanger for adjusting temperature of lithium chloride solution for three-constant fresh air machine |
| CN212645028U (en) * | 2020-09-01 | 2021-03-02 | 珠海格力电器股份有限公司 | Shell and tube heat exchanger and heat pump unit |
-
2020
- 2020-09-01 CN CN202010904071.XA patent/CN112097420A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04141344A (en) * | 1990-09-28 | 1992-05-14 | Fuji Electric Co Ltd | Adjustment device for liquid temperature |
| JPH0552486A (en) * | 1991-08-22 | 1993-03-02 | Fuji Electric Co Ltd | Heat exchanger for liquid |
| AU2004212549A1 (en) * | 2003-09-18 | 2005-04-07 | Newlands, Terence William Mr | Improved (shower drain) heat exchanger |
| JP2005262402A (en) * | 2004-03-19 | 2005-09-29 | Technomate Co Ltd | Slurry cooling device, slurry heating device and slurry supply device |
| CN103542618A (en) * | 2012-07-11 | 2014-01-29 | Lg电子株式会社 | Heat exchanger |
| JP3207788U (en) * | 2016-09-21 | 2016-12-01 | Ｍｄｉ株式会社 | Shell and coil heat exchanger |
| CN109931792A (en) * | 2019-01-28 | 2019-06-25 | 沃姆环境设备启东有限公司 | Two-pass highly-efficient heat exchanger |
| CN209745048U (en) * | 2019-03-13 | 2019-12-06 | 浙江三新科技有限公司 | High-efficient shell and tube heat exchanger |
| CN110686530A (en) * | 2019-09-19 | 2020-01-14 | 马鞍山汉德绿色建筑环境科技有限公司 | Titanium heat exchanger for adjusting temperature of lithium chloride solution for three-constant fresh air machine |
| CN212645028U (en) * | 2020-09-01 | 2021-03-02 | 珠海格力电器股份有限公司 | Shell and tube heat exchanger and heat pump unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4061184A (en) | Heat exchanger for a refrigerated water cooler | |
| US6499534B1 (en) | Heat exchanger with two-stage heat transfer | |
| US10429084B2 (en) | Heat pump water heater | |
| CN212645028U (en) | Shell and tube heat exchanger and heat pump unit | |
| CN107275711A (en) | Battery bag is heated and cooling device | |
| US4385723A (en) | Connection assembly | |
| CN109383321B (en) | Fill electric pile with inner loop formula heat radiation structure | |
| CN112097420A (en) | Shell-tube heat exchanger, control method thereof and heat pump unit | |
| CN102869237B (en) | The cooling system of server and communication cabinet | |
| CN210533099U (en) | Coil pipe heat exchanger and water tank | |
| CN108627036B (en) | Plate heat exchanger with constant temperature function | |
| CN207165708U (en) | Battery bag heats and cooling device | |
| CN209877378U (en) | High-efficient condensing chamber is used to flue gas condenser | |
| CN109842243B (en) | Inner stator motor cooling device, motor and inner stator motor cooling method | |
| CN209991816U (en) | Titanium tube for heat exchanger | |
| CN111365900A (en) | Heat exchange device and air conditioning system | |
| CN212109673U (en) | Heat exchange device | |
| CN220303876U (en) | Double-liner electric water heater | |
| CN215930631U (en) | Water dispenser, heat exchanger and heat exchange shell assembly thereof | |
| CN218328747U (en) | Heat exchange device and heat pump equipment | |
| CN215650532U (en) | Drinking machine | |
| CN215063892U (en) | Coiled tube type heat exchanger and refrigerating system | |
| CN214949831U (en) | Hanging stove radiator | |
| CN211977674U (en) | Heat exchanger and collecting pipe assembly thereof | |
| CN212113959U (en) | Pipeline, system and battery shell for controlling temperature of battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |