A detachable liquid-cooled heat exchanger and its application

Abstract

The present invention relates to a detachable liquid-cooled heat exchanger and its application. The detachable liquid-cooled heat exchanger comprises: an upper shell, an upper sealing gasket, a heat pump working medium heat exchange inner tube, a lower sealing gasket, a lower shell, and a detachable fastening device. The detachable liquid-cooled heat exchanger adopts a scheme in which the heat pump working medium flows in the heat pump working medium heat exchange inner tube and the coolant flows in the annular space between the tubes. The low-pressure coolant between the tubes allows the outer pipe to use a detachable upper and lower shell with a sealing surface, and the detachable outer pipe formed by sealing with upper and lower sealing gaskets and fixing with a detachable fastening device. Through the above structural design, the upper and lower shells can be integrally die-cast, with low mass production cost and simple manufacturing, convenient disassembly and assembly, easy cleaning of scale impurities, ensuring heat exchange efficiency, being able to recycle hot water to reduce energy consumption, and reducing the cost of use at the same time; it can be widely used in air conditioners, air energy heat pump water heaters, refrigeration and freezing devices, and air compressors.

Description

Technical Field

[0001] The invention relates to a liquid cooling heat exchanger, in particular to a shell and tube type liquid cooling heat exchanger. Background Art

[0002] Existing shell-and-tube liquid-cooled heat exchangers are all made of two inner and outer metal tubes. The coolant flows in the inner tube, and the heat pump working fluid flows in the annular space between the tubes. Since the working pressure of the heat pump working fluid is high, the thickness of the inner and outer tubes is required to be large. In the direct-heated air-energy heat pump water heater, the heat exchange pipeline is long, the shell-and-tube liquid-cooled heat exchanger is large in size, and the manufacturing requirements are high, resulting in high costs. After the shell-and-tube liquid-cooled heat exchanger has been running for a period of time, it is difficult to clean the scale, which affects the heat exchange efficiency. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a detachable liquid-cooled heat exchanger with low cost, easy scale cleaning and good heat exchange effect.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: A detachable liquid-cooled heat exchanger, comprising: an upper shell, an upper sealing gasket, a heat pump working medium heat exchange inner tube, a lower sealing gasket, a lower shell, and a detachable fastening device; The heat pump working medium heat exchange inner pipe is arranged in a detachable outer pipe formed by sealing the upper shell and the lower shell with an upper sealing gasket and a lower sealing gasket and fixing with a detachable fastening device; The upper shell and the lower shell are sealed with upper sealing gaskets and lower sealing gaskets and fixed with a detachable fastening device to form a detachable outer pipe and an annular space between the pipes sealed at both ends of the inlet and outlet of the heat exchange inner pipe of the heat pump working medium is a coolant heat exchange space, and a coolant outlet pipe and a coolant inlet pipe are connected at both ends respectively.

[0005] Furthermore, in the above-mentioned detachable liquid-cooled heat exchanger, the upper shell and the lower shell are both provided with a semicircular arc tube groove whose diameter is larger than that of the heat pump working fluid heat exchange inner tube and matches the bent shape of the heat pump working fluid heat exchange inner tube, and sealing planes are provided on both sides of the semicircular arc tube groove axis, and fixing holes of a detachable fastening device are provided on the plane; the upper sealing gasket and the lower sealing gasket include a plane section matching the shape of the sealing plane of the upper shell and the lower shell and an arc section sealed at both ends of the circular tube groove composed of the upper shell and the lower shell and the inlet and outlet of the heat pump working fluid heat exchange inner tube.

[0006] The second aspect of the present application also provides a constant temperature detachable liquid-cooled heat exchanger, comprising: the above-mentioned detachable liquid-cooled heat exchanger, a coolant outlet temperature sensor, a heat pump working fluid outlet temperature sensor, a variable flow device and a data processing system.

[0007] Furthermore, in the above-mentioned constant temperature detachable liquid-cooled heat exchanger, the coolant outlet temperature sensor is installed behind the coolant outlet pipe of the above-mentioned detachable liquid-cooled heat exchanger, the heat pump working fluid outlet temperature sensor is installed on the outlet pipe of the heat pump working fluid heat exchange inner tube of the above-mentioned detachable liquid-cooled heat exchanger, and the variable flow device is installed in front of the coolant inlet pipe of the above-mentioned detachable liquid-cooled heat exchanger, and the variable flow device is a variable flow pump or a variable flow valve.

[0008] The third aspect of the present application also provides an air conditioner, using any of the detachable liquid-cooled heat exchangers described above.

[0009] The fourth aspect of the present application also provides an air-energy heat pump water heater, which uses the detachable liquid-cooled heat exchanger described in any one of the above items.

[0010] The fifth aspect of the present application also provides a freezing and refrigeration device, which uses the detachable liquid-cooled heat exchanger described in any one of the above items.

[0011] The sixth aspect of the present application also provides an air compressor, using any of the detachable liquid-cooled heat exchangers described above.

[0012] The beneficial effect of the present invention is that the high-pressure heat pump working fluid only flows in the heat exchange inner tube of the heat pump working fluid, which can greatly reduce the requirements for the shell, so that the upper and lower shells can use thinner metal materials, and can also use the plastic material used in existing water pipes, saving the use of metal; when the bending shape and size of the heat exchange inner tube of the heat pump working fluid are standardized, the upper shell, the lower shell, the upper sealing gasket, and the lower sealing gasket can be made into corresponding molds according to the bending shape of the heat exchange inner tube of the heat pump working fluid, and die-cast an integrated component, which has low mass production cost and simple manufacturing, convenient disassembly and assembly, and easy cleaning of scale impurities, ensuring heat exchange efficiency and reducing energy consumption. The heat exchange inner tube of the heat pump working fluid is a whole metal tube, which can prevent the leakage of heat pump working fluid caused by corrosion of welding points. The liquid-cooled heat exchanger is low in cost and simple to manufacture, which allows the equipment using the liquid-cooled heat exchanger to adopt a long-process countercurrent heat exchange. When the outlet temperature of the coolant is high, the condensation temperature is still very low, maintaining the high energy efficiency ratio of the heat pump, reducing the use of coolant, and having obvious energy-saving effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural explosion diagram of a detachable liquid-cooled heat exchanger serpentine embodiment of the present invention; Figure 2 is a front view of a serpentine embodiment of a detachable liquid-cooled heat exchanger of the present invention; Figure 3 is a top view of the detachable liquid-cooled heat exchanger serpentine embodiment of the present invention after the upper shell and the upper sealing gasket are removed; Figure 4It is a top view of the detachable liquid-cooled heat exchanger serpentine embodiment of the present invention after the coolant inlet and outlet pipes are rotated to the sealing surface and the upper shell and the upper sealing gasket are removed; Figure 5 It is a structural explosion diagram of a double-vortex linear embodiment of a detachable liquid-cooled heat exchanger of the present invention; Figure 6 is a front view of a double-vortex linear embodiment of a detachable liquid-cooled heat exchanger of the present invention; Figure 7 It is a top view of the double-vortex linear embodiment of the detachable liquid-cooled heat exchanger of the present invention after the upper shell and the upper sealing gasket are removed; Figure 8 It is a structural explosion diagram of a straight tube embodiment of a detachable liquid-cooled heat exchanger of the present invention; Fig. 9 is a front view of a straight tube embodiment of a detachable liquid-cooled heat exchanger of the present invention; Fig.10 It is a top view of the straight tube embodiment of the detachable liquid-cooled heat exchanger of the present invention after the upper shell and the upper sealing gasket are removed; Fig.11 It is a structural principle diagram of the constant temperature detachable liquid cooling heat exchanger of the present invention; Fig.12 This is the first embodiment of the detachable liquid-cooled heat exchanger of the present invention in application; Fig.13 This is the second embodiment of the detachable liquid-cooled heat exchanger of the present invention in application; Fig.14 This is the third embodiment of the detachable liquid-cooled heat exchanger of the present invention in application; Among them, 21, upper shell; 22, upper sealing gasket; 23, heat pump working medium heat exchange inner tube; 24, lower sealing gasket; 25, lower shell; 26, detachable fastening device; 27, coolant outlet pipe; 28, coolant inlet pipe; 29, coolant heat exchange space; 31, coolant outlet temperature sensor; 32, heat pump working medium outlet temperature sensor; 33, data processing system; 1, compressor; 2, detachable liquid-cooled heat exchanger; 3, throttling device; 4, evaporator; 5, air-cooled or direct-cooled condenser; 01, high-temperature liquid tank; 02, normal-temperature liquid tank; 03, medium-temperature liquid tank; 001, variable flow device; 002, secondary variable flow device; DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0015] It should be noted that all directional indications (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0016] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly defined. In the present invention, unless otherwise clearly defined and defined, the terms "connected", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] In order to more clearly understand the technical solution of the present invention, the principle of the present invention is described below: Like the existing sleeve-tube liquid-cooled heat exchanger, the present invention is composed of two inner and outer tubes, but the difference is that the heat pump working fluid is adjusted from flowing in the annular space between the tubes to flowing in the inner tube, and the coolant is adjusted from flowing in the inner tube to flowing in the annular space between the tubes. In this way, the high-pressure heat pump working fluid only flows in the heat pump working fluid heat exchange inner tube, and the low-pressure coolant can greatly reduce the requirements for the outer tube, so that the upper shell and lower shell with sealing surfaces can be used, and the detachable outer pipeline formed by sealing with upper and lower sealing gaskets and fixing with a detachable fastening device, such as the attached Figure 8 , 9 , 10; Due to the size limitation of most equipment, the pipe must be bent, for example, the existing shell-and-tube liquid-cooled heat exchanger uses a spiral type. In order to facilitate disassembly, sealing, fastening and production, the semi-circular arc tube groove separated into the upper shell and the lower shell must be bent along the sealing surface of the upper shell and the lower shell. After bending, the sealing surfaces of the adjacent shells are connected together to form an integrally formed component with the semi-circular arc tube groove, as shown in the attached Figure 1 To Attachment Figure 7The serpentine and double-vortex linear embodiments shown; in order to prevent the coolant from leaking between the detachable outer pipe formed by the upper shell and the lower shell and the inner heat exchange pipe of the heat pump working fluid, an upper sealing gasket and a lower sealing gasket are provided, including a plane section matching the sealing plane shape of the upper shell and the lower shell and an arc section sealed at both ends of the inlet and outlet of the detachable outer pipe formed by the upper shell and the lower shell and the heat pump working fluid heat exchange inner pipe, the plane section is used for sealing between the upper and lower shells and the adjacent pipe grooves, so that the inner and outer pipes are kept in a package, and the coolant does not leak or short-circuit; the arc section is used for sealing between the two ends of the heat pump working fluid heat exchange inner pipe and the upper and lower shells, so that the coolant heat exchange space does not leak; the upper sealing gasket and the lower sealing gasket can be a whole piece or divided into several pieces, and the upper and lower sealing gasket plane sections can also be designed as a whole, but the premise is to ensure sealing. Of course, the plane section can be provided with a detachable fastening device fixing hole consistent with the upper shell and the lower shell to position the upper gasket and the lower gasket, or a groove can be designed on the entire sealing surface of the upper and lower shells, and the sealing gasket is provided with an interference fit or inlaid matching convex groove with the sealing surface groove of the upper and lower shells to fix the upper gasket and the lower gasket; the coolant inlet and outlet pipes can be arranged on the upper or lower shell as needed, or they can be arranged on the upper and lower shells, or on the sealing plane of the upper and lower shells, close to the arc section of the gasket, but cannot be blocked by it; the detachable fastening device is used to fix the upper shell, the upper gasket, the heat pump working medium heat exchange inner tube, the lower gasket, and the lower shell Tightly closed to prevent coolant leakage, it can be a bolt, or other detachable fastening devices such as snaps; generally speaking, the heat pump working fluid heat exchange inner tube is sealed with upper and lower sealing gaskets in the upper and lower shells and fixed with detachable fastening devices to form a detachable outer pipe without support. If the equipment needs support due to special reasons such as large vibration, a semi-circular tube clamp-type rubber pad with multiple holes on the periphery can be selected, or axial or continuous spiral ribs can be designed in the semi-circular arc tube grooves of the upper and lower shells or on the outside of the heat pump working fluid heat exchange inner tube; the outer pipe composed of the heat pump working fluid heat exchange inner tube and the upper and lower shells can also be made into square, elliptical and other shaped pipes according to needs. Embodiment 1

[0018] Refer to the attached Figure 1 , 2 3, comprising: an upper shell (21), an upper sealing gasket (22), a heat pump working medium heat exchange inner tube (23), a lower sealing gasket (24), a lower shell (25), and a detachable fastening device (26); The heat pump working medium heat exchange inner pipe (23) is arranged in a detachable outer pipe formed by sealing the upper shell (21) and the lower shell (25) with an upper sealing gasket (22) and a lower sealing gasket (24) and fixing them with a detachable fastening device (26); The upper shell (21) and the lower shell (25) are sealed with an upper sealing gasket (22) and a lower sealing gasket (24) and fixed with a detachable fastening device (26) to form a detachable outer pipe and an annular space between the pipes sealed at both ends of the inlet and outlet of the heat pump working medium heat exchange inner pipe (23) as a coolant heat exchange space (29), and a coolant outlet pipe (27) and a coolant inlet pipe (28) are connected at both ends respectively; In this embodiment, the heat pump working medium heat exchange inner tube (23) is bent into a serpentine shape, and the upper shell (21) and the lower shell (25) are also correspondingly manufactured with a semicircular arc water groove having a diameter larger than that of the heat pump working medium heat exchange inner tube (23) and matching the serpentine shape of the heat pump working medium heat exchange inner tube (23); sealing planes are arranged on both sides of the axis of the semicircular arc water groove, and fixing holes of a detachable fastening device (26) are arranged on the planes; the upper sealing gasket (22) and the lower sealing gasket (24) of this embodiment include a plane section matching the sealing plane shape of the upper shell (21) and the lower shell (25) and a circular pipe groove composed of the upper shell (21) and the lower shell (25) and an arc section sealed at both ends of the inlet and outlet of the heat pump working medium heat exchange inner tube (23); they are integrally formed, and fixing holes of a detachable fastening device (26) consistent with the upper shell (21) and the lower shell (25) are arranged on the plane section; and the coolant inlet and outlet pipes are arranged on the upper and lower shells respectively.

[0019] In order to more clearly illustrate the technical solution of the present invention, refer to the attached Figure 4 , rotate the coolant inlet and outlet pipes to the sealing surface so that all pipes are on the same plane, and more intuitively illustrate the working process of the present invention: The heat pump working medium heat exchange inner tube (23) of the detachable liquid-cooled heat exchanger is used to pass the heat pump working medium; the upper shell (21) and the lower shell (25) are sealed with an upper sealing gasket (22) and a lower sealing gasket (24) and fixed with a detachable fastening device (26) to form a detachable outer tube and the heat pump working medium heat exchange inner tube (23) sealed at both ends, and the annular coolant heat exchange space (29) between the tubes is used to pass the coolant; the high-temperature and high-pressure heat pump working medium gas from the compressor enters the heat pump working medium heat exchange inner tube (23) and is connected to the upper shell (21) and the lower shell (25) by heat conduction of the metal tube, and the detachable outer tube and the heat pump working medium heat exchange inner tube (23) are sealed with the upper shell (21) and the lower shell (25) by the upper sealing gasket (22) and the lower sealing gasket (24) and fixed with the detachable fastening device (26) After heat exchange, the coolant in the annular coolant heat exchange space (29) between the tubes sealed at both ends of the inlet and outlet is transformed into high-pressure medium-temperature supercooled liquid and flows out of the detachable liquid-cooled heat exchanger; while the low-temperature coolant enters the coolant heat exchange space (29) from the coolant inlet pipe (28) of the detachable liquid-cooled heat exchanger, obtains heat from the high-temperature and high-pressure heat pump working fluid, and is transformed into high-temperature coolant, which flows out through the coolant outlet pipe (27) of the detachable liquid-cooled heat exchanger to complete the heat exchange between them.

[0020] In order to express the embodiments simply and intuitively, Figure 1 , 2 3. A short process scheme is used. In actual production, the heat pump working medium heat exchange inner tube (23) in the detachable liquid-cooled heat exchanger is bent into a standard serpentine shape according to the heat exchange capacity of the equipment. The upper shell (21) and the lower shell (25) are made into a semicircular water tank larger than the heat pump working medium heat exchange inner tube (23) according to the serpentine shape of the heat pump working medium heat exchange inner tube (23). The semicircular water tank is integrally die-casted after a mold with sealing planes on both sides of the axis. Similarly, the upper sealing gasket (22) and the lower sealing gasket (24) are also made into corresponding molds and die-casted. The coolant inlet pipe (28) and the coolant outlet pipe are (27) and the fixing holes of the detachable fastening device (26) provided on the plane can be set on the mold, or can be drilled and tapped after die casting; during assembly, the heat pump working fluid heat exchange inner tube (23) is generally connected to the equipment first, and then the lower sealing gasket (24) is fixed on the lower shell (25), and the upper sealing gasket (22) is fixed on the upper shell (21), and the heat pump working fluid heat exchange inner tube (23) is clamped in the middle. After ensuring that the bending shapes match, the fixing holes of the detachable fastening device (26) of the lower shell (25) and the upper shell (21) are aligned, and fixed with the detachable fastening device (26). The disassembly steps are reversed, which is very simple. Embodiment 2

[0021] Refer to the attached Figure 5 , 6 7. The heat exchange inner tube (23) of the heat pump working medium in this embodiment is bent into a double spiral line shape, and the upper shell (21) and the lower shell (25) are also made into a semicircular arc water groove with a diameter larger than that of the heat exchange inner tube (23) of the heat pump working medium and matching the double spiral line shape of the heat exchange inner tube (23) of the heat pump working medium; sealing planes are arranged on both sides of the axis of the semicircular arc water groove, and fixing holes of a detachable fastening device (26) are arranged on the plane; the upper sealing gasket (22) and the lower sealing gasket (24) of this embodiment include a plane section matching the sealing plane shape of the upper shell (21) and the lower shell (25) and an arc section at the inlet and outlet of the heat exchange inner tube (23) of the heat pump working medium, which are integrally formed and have fixing holes of a detachable fastening device (26) consistent with the upper shell (21) and the lower shell (25) on the plane section. The working principle is the same as that of the serpentine embodiment in actual production.

[0022] Attached Figure 8 , 910 is a straight tube embodiment in which the inner tube of the heat exchanger is not bent, which is very simple. Its working principle is the same as that of the serpentine embodiment in actual production, so it will not be described again; of course, the detachable liquid-cooled heat exchanger can be made into disc-shaped embodiments such as elliptical and rounded rectangular embodiments according to equipment requirements, and can also be made into embodiments with a slight height difference between the inner and outer circles. In actual applications, multiple detachable liquid-cooled heat exchangers can be used in series or parallel to meet the requirements of multiple temperatures, large flow rates, and small spaces.

[0023] In summary, compared with the prior art, through the above structural design, the high-pressure heat pump working fluid only flows in the heat exchange inner tube of the heat pump working fluid, which can greatly reduce the requirements for the shell, so that the upper and lower shells can use thinner metal materials, and can also use the plastic material used in existing water pipes, saving the use of metal; when the bending shape and size of the heat exchange inner tube of the heat pump working fluid are standardized, the upper shell, the lower shell, the upper sealing gasket, and the lower sealing gasket can be made into corresponding molds according to the bending shape of the heat exchange inner tube of the heat pump working fluid, and die-cast an integrated component, which has low mass production cost and simple manufacturing, convenient disassembly and assembly, and easy cleaning of scale impurities, ensuring heat exchange efficiency and reducing energy consumption. The heat exchange inner tube of the heat pump working fluid is a whole metal tube, which can prevent the leakage of the heat pump working fluid caused by corrosion of the welding point. The liquid-cooled heat exchanger is low in cost and simple to manufacture, which allows the equipment using the liquid-cooled heat exchanger to adopt a long-process countercurrent heat exchange. When the outlet temperature of the coolant is high, the condensation temperature is still very low, maintaining the high energy efficiency ratio of the heat pump, reducing the use of coolant, and the energy-saving effect is obvious.

[0024] The second aspect of the present application also provides a constant temperature detachable liquid-cooled heat exchanger, using the above detachable liquid-cooled heat exchanger. In at least one embodiment of the constant temperature detachable liquid cooling heat exchanger of the present application, refer to the attached Fig.11 (In order to intuitively illustrate the embodiment, the coolant inlet and outlet pipes are also rotated to the sealing surface so that all pipes are on the same plane), including: the above-mentioned detachable liquid-cooled heat exchanger, the coolant outlet temperature sensor (31), the heat pump working fluid outlet temperature sensor (32), the variable flow device (001) and the data processing system (33).

[0025] Furthermore, in the above-mentioned constant temperature detachable liquid-cooled heat exchanger, the coolant outlet temperature sensor (31) is installed on the coolant outlet pipe (27) of the above-mentioned detachable liquid-cooled heat exchanger, the heat pump working fluid outlet temperature sensor (32) is installed on the outlet pipe of the heat pump working fluid heat exchange inner tube (23) of the above-mentioned detachable liquid-cooled heat exchanger, and the variable flow device (001) is installed in front of the coolant inlet pipe (28) of the above-mentioned detachable liquid-cooled heat exchanger, and the variable flow device (001) is a variable flow pump or a variable flow valve.

[0026] In practical applications, the data processing system (33) can be controlled independently by a temperature difference controller, a single chip microcomputer or a PLC controller, but is more often integrated on a control panel of a device using a detachable liquid-cooled heat exchanger. Its required function is to connect the coolant outlet temperature sensor (31), the heat pump working fluid outlet temperature sensor (32) and the variable flow device (001) through wires, detect the coolant outlet and heat pump working fluid outlet temperatures in real time, and compare them with the set temperature to adjust the variable flow device (001) to increase or decrease the coolant flow to meet the coolant outlet and heat pump working fluid outlet temperatures.

[0027] Generally speaking, the heat exchange capacity of the detachable liquid-cooled heat exchanger is designed according to the maximum heat exchange demand of the system. In use, the corresponding heat pump working fluid outlet temperature is first set according to the different heat pump working fluids, which cannot be adjusted by the user. The coolant outlet temperature is set to a common temperature, which can be adjusted by the user, but the temperature adjusted by the user cannot exceed the maximum temperature that can be reached under the most unfavorable conditions of the detachable liquid-cooled heat exchanger, and the variable flow device will also have an initial coolant flow rate; when working, first detect the heat pump working fluid outlet temperature. When the heat pump working fluid outlet temperature is higher than the set heat pump working fluid outlet temperature, the variable flow device is unconditionally adjusted to increase the coolant flow rate until it is lower than the set temperature; when the heat pump working fluid outlet temperature is met, the coolant outlet temperature is detected again. When it is lower than the set coolant outlet temperature, the variable flow device is adjusted to reduce the coolant flow rate a little bit. When it is higher than the set coolant outlet temperature, the variable flow device is adjusted to increase the coolant flow rate a little bit, and then the heat pump working fluid outlet temperature is detected again. After the heat pump working fluid outlet temperature is met, the coolant flow rate is slowly adjusted according to the coolant outlet temperature until the set values ​​of the heat pump working fluid outlet temperature and the coolant outlet temperature are met. In this way, changes in coolant inlet temperature and load can ensure that the coolant outlet temperature remains constant.

[0028] Compared with the existing technology, it effectively solves the problem of keeping the outlet temperature constant when the coolant inlet temperature and load change, the influence of the high coolant inlet temperature on the condensation temperature and energy consumption in summer, reduces the amount of coolant used in winter, and saves energy.

[0029] Removable liquid-cooled heat exchangers can be widely used in equipment with condensers. There are two main types. One type uses a removable liquid-cooled heat exchanger to replace the condenser of existing equipment. It has the advantages of low cost, easy cleaning of scale impurities, high heat exchange efficiency, ability to recycle hot water to reduce energy consumption, and low cost of use. The other type is to add a set of removable liquid-cooled heat exchangers in front of the existing air-cooled or direct-cooled condenser to meet the use of specific environments; of course, there are also some superposition combinations of removable liquid-cooled heat exchangers to meet the requirements of high energy efficiency and multi-temperature output of the equipment. The following is a detailed description of the above applications based on some of the equipment used.

[0030] The third aspect of the present application also provides an air conditioner, using any of the detachable liquid-cooled heat exchangers described above.

[0031] In at least one embodiment of the air conditioner of the present application, Fig.12 The air conditioner comprises a compressor (1), a detachable liquid-cooled heat exchanger (2), a throttling device (3), and an evaporator (4). Unlike an ordinary air conditioner, the condenser is replaced by the detachable liquid-cooled heat exchanger (2), so that the air conditioner has the advantages of low cost of the detachable liquid-cooled heat exchanger, easy cleaning of scale impurities, high heat exchange efficiency, ability to recycle hot water, reduced energy consumption, and lower use cost.

[0032] The fourth aspect of the present application also provides an air-energy heat pump water heater, which uses the detachable liquid-cooled heat exchanger described in any one of the above items.

[0033] In at least one embodiment of the air energy heat pump water heater of the present application, Fig.13 (In order to intuitively illustrate the embodiment, the coolant inlet and outlet pipes are also rotated to the sealing surface so that all pipes are on the same plane, and the data processing system has been omitted). The air energy heat pump water heater comprises a compressor (1), two groups of detachable liquid cooling heat exchangers (2), a throttling device (3), an evaporator (4), a high temperature liquid tank (01), a normal temperature liquid tank (02), a medium temperature liquid tank (03), a coolant outlet temperature sensor (31), a heat pump working medium outlet temperature sensor (32), a variable flow device (001), and a secondary variable flow device (002). The difference from the ordinary air energy heat pump water heater is that two groups of detachable liquid cooling heat exchangers (2) are connected in series to replace its condenser, so that hot water of two water temperatures can be obtained. At the same time, the medium temperature liquid tank (03) can be used to allow the first group of detachable liquid cooling heat exchangers to focus on lowering the condensation temperature and reducing energy consumption, while the second group of detachable liquid cooling heat exchangers focuses on the temperature of high temperature water, thereby increasing the adjustment range of the condensation temperature and the outlet water temperature of a single detachable liquid cooling heat exchanger, and truly achieving low energy consumption when the water is discharged at ultra-high temperature.

[0034] The fifth aspect of the present application also provides a freezing and refrigeration device, which uses the detachable liquid-cooled heat exchanger described in any one of the above items.

[0035] In at least one embodiment of the refrigeration device of the present application, Fig.14, comprising a compressor (1), a detachable liquid-cooled heat exchanger (2), a throttling device (3), an evaporator (4), and an air-cooled or direct-cooled condenser (5). The difference from an ordinary refrigeration device is that a detachable liquid-cooled heat exchanger (2) is added between the original compressor and the condenser. In places where water is often cut off, the detachable liquid-cooled heat exchanger (2) is used to make hot water when there is water, thereby reducing the use of water heaters and saving energy. When there is no water, heat is dissipated through the original air-cooled or direct-cooled condenser (5), which is very practical.

[0036] The sixth aspect of the present application also provides an air compressor, using any of the detachable liquid-cooled heat exchangers described above.

[0037] In at least one embodiment of the air compressor of the present application, a detachable liquid-cooled heat exchanger (2) is used to replace the condenser of a conventional air compressor, so that the air compressor has the advantages of low cost of the detachable liquid-cooled heat exchanger, easy cleaning of scale impurities, high heat exchange efficiency, ability to recycle hot water to reduce energy consumption, and lower use costs.

[0038] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the contents of the present invention and implement them accordingly, and they cannot be used to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A detachable liquid-cooled heat exchanger, characterized in that: include: An upper shell (21), an upper sealing gasket (22), a heat pump working medium heat exchange inner tube (23), a lower sealing gasket (24), a lower shell (25), and a detachable fastening device (26); The heat pump working medium heat exchange inner pipe (23) is arranged in a detachable outer pipe formed by sealing the upper shell (21) and the lower shell (25) with an upper sealing gasket (22) and a lower sealing gasket (24) and fixing them with a detachable fastening device (26); The upper shell (21) and the lower shell (25) are sealed with an upper sealing gasket (22) and a lower sealing gasket (24) and fixed with a detachable fastening device (26) to form a detachable outer pipe and an annular space between the pipes sealed at both ends of the inlet and outlet of the heat pump working medium heat exchange inner pipe (23) to form a coolant heat exchange space (29), and a coolant outlet pipe (27) and a coolant inlet pipe (28) are connected at both ends.

2. The detachable liquid-cooled heat exchanger according to claim 1, characterized in that: The upper shell (21) and the lower shell (25) are each provided with a semicircular arc water groove having a diameter larger than that of the heat pump working medium heat exchange inner tube (23) and matching the bent shape of the heat pump working medium heat exchange inner tube (23), and sealing planes are provided on both sides of the semicircular arc water groove axis, and fixing holes of a detachable fastening device (26) are provided on the planes; the upper sealing gasket (22) and the lower sealing gasket (24) include a plane section matching the shape of the sealing plane of the upper shell (21) and the lower shell (25) and an arc section sealed at both ends of the circular tube groove composed of the upper shell (21) and the lower shell (25) and the inlet and outlet of the heat pump working medium heat exchange inner tube (23).

3. A constant temperature detachable liquid cooling heat exchanger, characterized in that: include: The detachable liquid-cooled heat exchanger, the coolant outlet temperature sensor (31), the heat pump working fluid outlet temperature sensor (32), the variable flow device (001) and the data processing system (33) as described in claim 1 or 2.

4. The constant temperature detachable liquid cooling heat exchanger according to claim 3 is characterized in that: The coolant outlet temperature sensor (31) is installed behind the coolant outlet pipe (27) of the detachable liquid-cooled heat exchanger described in claim 1 or 2, and the heat pump working fluid outlet temperature sensor (32) is installed on the outlet pipe of the heat pump working fluid heat exchange inner tube (23) of the detachable liquid-cooled heat exchanger described in claim 1 or 2. The variable flow device (001) is installed in front of the coolant inlet pipe (28) of the detachable liquid-cooled heat exchanger described in claim 1 or 2, and the variable flow device (001) is a variable flow pump or a variable flow valve.

5. An air conditioner, characterized in that: It comprises the detachable liquid-cooled heat exchanger as described in any one of claims 1 to 4.

6. An air energy heat pump water heater, characterized in that: It comprises the detachable liquid-cooled heat exchanger as described in any one of claims 1 to 4.

7. A freezing and refrigerating device, characterized in that: It comprises the detachable liquid-cooled heat exchanger as described in any one of claims 1 to 4.

8. An air compressor, characterized in that: It comprises the detachable liquid-cooled heat exchanger as described in any one of claims 1 to 4.

Images