Cyclic heating warm isostatic press

Abstract

The utility model discloses a circulating heating warm isostatic press, which relates to the technical field of warm isostatic presses and comprises a warm isostatic press main body and a heating liquid tank, a circulating liquid inlet is arranged on one side of the heating liquid tank, a circulating liquid outlet is arranged on one side of a high-pressure tank main body, and a circulating liquid pipeline is arranged between the circulating liquid outlet and the circulating liquid inlet. A first valve is arranged on the circulating liquid pipeline, a heating liquid outlet is formed in the top of the heating liquid tank, a first connecting pipe is arranged at the heating liquid outlet, one end of the first connecting pipe extends into the heating liquid tank, a heating liquid inlet is formed in the top of the high-pressure tank main body, a second connecting pipe is arranged at the heating liquid inlet, and a second valve is arranged on the second connecting pipe; the first connecting pipe and the second connecting pipe are connected through a heating liquid conveying hose, a pump body is arranged on the first connecting pipe, a heating unit is arranged in the heating liquid tank, and the problem that a heating device in an existing warm isostatic pressing machine is in a high-pressure environment for a long time and is prone to damage is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of warm isostatic presses, in particular to a circulating heating warm isostatic press. Background Art

[0002] Warm isostatic press is a machine used to manufacture parts with complex shapes. It deforms the material into the desired shape under pressure by placing it in a high temperature and high pressure environment. This processing method can effectively improve the strength and wear resistance of the material, while also reducing the processing cost and time of the material. Warm isostatic press is widely used in aerospace, automotive, electronics and other industries.

[0003] In the prior art, in order to achieve heating of the warm isostatic press, a heating device is generally arranged in the high-pressure chamber of the warm isostatic press, so as to achieve temperature increase in the high-pressure chamber. However, when the warm isostatic press is working, the high-pressure chamber has a high-pressure environment. When in use, the heating device is in a high-pressure environment for a long time, which is prone to damage.

[0004] In the invention with application number: 201610935465.5 and publication number CN106493987A, a heat preservation and temperature control structure and method applied to a warm isostatic press are disclosed, including an upper end cover, a heating jacket, a heating coil, a temperature sensor and a lower end cover; the heating coil is arranged inside the working cylinder, and the heating coil is installed on the lower end cover, and is directly connected to the heating device through the interface on the lower end cover. The heating device is a heating coil. When in use, there is still a problem that the heating device is in a high-pressure environment for a long time and is prone to damage. Utility Model Content

[0005] Based on this, in order to solve the above problems, the utility model proposes a circulating heating warm isostatic press, which solves the problem that the heating device in the current warm isostatic press is in a high pressure environment for a long time and is prone to damage.

[0006] The technical solution of the utility model is:

[0007] The circulating heating warm isostatic press comprises a warm isostatic press body and a heating liquid tank, wherein the heating liquid tank is used to store and heat a heat-conducting medium, and the heating liquid tank is arranged on one side of the warm isostatic press body. The warm isostatic press body comprises a high-pressure tank body, a heat-insulating layer and a protective shell which are arranged in sequence, wherein the high-pressure tank body is arranged in the protective shell, and the heat-insulating layer is arranged between the high-pressure tank body and the protective shell;

[0008] A circulating liquid inlet is provided on one side of the heating liquid tank, a circulating liquid outlet is provided on one side of the high-pressure tank body, a circulating liquid pipeline is provided between the circulating liquid outlet and the circulating liquid inlet, one end of the circulating liquid pipeline penetrates the protective shell and the insulation layer and is connected to the circulating liquid outlet on the high-pressure tank body, and the other end is connected to the circulating liquid inlet on the heating liquid tank, and a first valve is provided on the circulating liquid pipeline;

[0009] A heating liquid outlet is provided on the top of the heating liquid tank, a first connecting pipe is provided at the heating liquid outlet, one end of the first connecting pipe extends into the heating liquid tank, a heating liquid inlet is provided on the top of the high-pressure tank body, a second connecting pipe is provided at the heating liquid inlet, a second valve is provided on the second connecting pipe, the first connecting pipe and the second connecting pipe are connected by a heating liquid delivery hose, a pump body is provided on the first connecting pipe, and a heating unit is provided in the heating liquid tank.

[0010] Preferably, a liquid inlet and outlet pipe is provided on one side of the heating liquid tank, and a third valve is provided on the liquid inlet and outlet pipe.

[0011] Preferably, a boost pump is provided on one side of the high-pressure tank body, and a boost port is provided on the high-pressure tank body. The boost pump is connected to the boost port on the high-pressure tank body through a boost pipe, one end of the boost pipe is connected to the boost pump, and the other end passes through the protective shell and the insulation layer and is connected to the boost port on the high-pressure tank body.

[0012] Preferably, a fourth valve is provided on the boosting pipeline.

[0013] Preferably, it also includes a base, and the warm isostatic press body, the heating liquid tank and the booster pump are cooperatively arranged on the base.

[0014] Preferably, a fixing ring is provided at the bottom of the protective shell, the fixing ring is fixedly connected to the protective shell, and is detachably connected to the base via bolts.

[0015] Preferably, the high-pressure tank body comprises an upper end cover and a high-pressure tank body, the high-pressure tank body has a high-pressure cavity, the upper end cover is arranged on the top of the high-pressure tank body and is plugged with the high-pressure tank body to close the high-pressure cavity.

[0016] Preferably, the heating liquid inlet is arranged on the upper end cover and penetrates the upper end cover from top to bottom, and one end of the second connecting pipe is arranged on the upper end cover and fixedly connected to the heating liquid inlet.

[0017] Preferably, the heating liquid tank comprises a liquid storage tank body and a cover body adapted to the liquid storage tank body, the cover body is arranged on the top of the liquid storage tank body to seal the liquid storage tank body, and the heating unit is arranged in the liquid storage tank body.

[0018] Preferably, the heating liquid outlet is arranged on the cover body and penetrates the cover body from top to bottom, and one end of the first connecting pipe is arranged on the top of the cover body and connected to the heating liquid outlet.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model arranges a heating unit in the heating liquid tank. When in use, the heat-conducting medium is heated by the heating unit in the heating liquid tank, and then the heat-conducting medium in the heating liquid tank is extracted through the pump body on the first connecting pipe, and is transported to the high-pressure tank body through the first connecting pipe, the heating liquid delivery hose and the second connecting pipe. Then, the heat-conducting medium in the high-pressure tank body is transported to the heating liquid tank through the circulating liquid pipeline for heating, thereby achieving the effect of heating the heat-conducting medium in the high-pressure tank body. The problem that the heating device in the current warm isostatic press is in a high-pressure environment for a long time and is easily damaged is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The structure diagram of the circulating heating warm isostatic press described in the embodiment of the utility model is Figure 1 ;

[0022] Figure 2 It is a structural schematic diagram of the warm isostatic press main body described in the embodiment of the utility model;

[0023] Figure 3 It is a partial structural diagram of the warm isostatic press body described in the embodiment of the utility model Figure 1 ;

[0024] Figure 4 It is a partial structural diagram of the warm isostatic press body described in the embodiment of the utility model Figure 2 ;

[0025] Figure 5 It is a structural schematic diagram of the heating liquid tank described in the embodiment of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the cover body described in the embodiment of the utility model;

[0027] Figure 7 The structure diagram of the circulating heating warm isostatic press described in the embodiment of the utility model is Figure 2 ;

[0028] Figure 8 It is described in the embodiment of the utility model Figure 7 A schematic diagram of the enlarged structure at A in the middle;

[0029] Fig. 9 It is a partial structural schematic diagram of the circulating heating warm isostatic press described in the embodiment of the utility model;

[0030] Description of reference numerals:

[0031] 10-hot isostatic press body, 11-heating liquid tank, 100-high pressure tank body, 101-insulation layer, 102-protective shell, 103-circulating liquid inlet, 104-circulating liquid outlet, 105-circulating liquid pipeline, 106-first valve, 107-heating liquid outlet, 108-first connecting pipe, 109-heating liquid inlet, 110-second connecting pipe, 111-second valve, 112-heating liquid delivery hose, 113-pump body, 114-heating unit, 115-inlet and outlet pipes, 116-third valve, 117-boosting pump, 118-boosting port, 119-boosting pipeline, 120-fourth valve, 121-base, 122-fixing ring, 123-upper end cover, 124-high-pressure tank body, 125-liquid storage tank body, 126-cover body, 127-temperature sensor, 20-lifting assembly, 200-mounting frame, 201-fixing frame, 202-threaded rod, 203-rotating drive member, 204-driving assembly, 205-sliding arm, 206-sliding groove, 207-fixing sleeve, 208-threaded rotating sleeve, 209-driving motor, 210-main gear, 211-secondary gear, 212-mounting bracket. DETAILED DESCRIPTION

[0032] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0033] Example:

[0034] like Figures 1 to 6 As shown, in order to solve the above problems, the present embodiment discloses a circulating heating warm isostatic press, comprising a warm isostatic press body 10 and a heating liquid tank 11, the heating liquid tank 11 is used to store and heat the heat-conducting medium, the heating liquid tank 11 is arranged on one side of the warm isostatic press body 10, the warm isostatic press body 10 comprises a high-pressure tank body 100, a heat-insulating layer 101 and a protective shell 102 arranged in sequence, the high-pressure tank body 100 is arranged in the protective shell 102, and the heat-insulating layer 101 is arranged between the high-pressure tank body 100 and the protective shell 102;

[0035] A circulating liquid inlet 103 is provided on one side of the heating liquid tank 11, and a circulating liquid outlet 104 is provided on one side of the high-pressure tank body 100. A circulating liquid pipeline 105 is provided between the circulating liquid outlet 104 and the circulating liquid inlet 103. One end of the circulating liquid pipeline 105 penetrates the protective shell 102 and the insulation layer 101 and is connected to the circulating liquid outlet 104 on the high-pressure tank body 100, and the other end is connected to the circulating liquid inlet 103 on the heating liquid tank 11. A first valve 106 is provided on the circulating liquid pipeline 105;

[0036] A heating liquid outlet 107 is provided at the top of the heating liquid tank 11, and a first connecting pipe 108 is provided at the heating liquid outlet 107. One end of the first connecting pipe 108 extends into the heating liquid tank 11. A heating liquid inlet 109 is provided at the top of the high-pressure tank body 100. A second connecting pipe 110 is provided at the heating liquid inlet 109. A second valve 111 is provided on the second connecting pipe 110. The first connecting pipe 108 and the second connecting pipe 110 are connected by a heating liquid delivery hose 112. A pump body 113 is provided on the first connecting pipe 108. A heating unit 114 is provided in the heating liquid tank 11.

[0037] The utility model sets the heating unit 114 in the heating liquid tank 11. When in use, the heat-conducting medium is heated by the heating unit 114 in the heating liquid tank 11, and then the heat-conducting medium in the heating liquid tank 11 is extracted through the pump body 113 on the first connecting pipe 108, and is transported to the high-pressure tank body 100 through the first connecting pipe 108, the heating liquid delivery hose 112 and the second connecting pipe 110. Then, the heat-conducting medium in the high-pressure tank body 100 is transported to the heating liquid tank 11 through the circulating liquid pipeline 105 for heating, thereby achieving the effect of heating the heat-conducting medium in the high-pressure tank body 100. The problem that the heating device in the current warm isostatic press is in a high-pressure environment for a long time and is easily damaged is solved.

[0038] The heating unit 114 can be an electric heating rod, electric heating wire or heating coil in the prior art. In this embodiment, an electric heating rod in the prior art that can realize the function of the utility model is used. The first valve 106 and the second valve 111 can be electromagnetic valves in the prior art that can realize the function of the utility model.

[0039] In order to facilitate the replenishment or replacement of the heat transfer medium in the heating liquid tank 11, this embodiment is modified on the basis of the above embodiment, and the difference from the above embodiment is that an inlet and outlet liquid pipe 115 is provided on one side of the heating liquid tank 11, and a third valve 116 is provided on the inlet and outlet liquid pipe 115. The third valve 116 is a manual valve and can be connected to an external heat transfer medium source.

[0040] like Figure 4 As shown, in order to facilitate the realization of a high-pressure environment in the high-pressure tank body 100, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a boost pump 117 is provided on one side of the high-pressure tank body 100, and a boost port 118 is provided on the high-pressure tank body 100. The boost pump 117 is connected to the boost port 118 on the high-pressure tank body 100 through a boost pipe 119. One end of the boost pipe 119 is connected to the boost pump 117, and the other end passes through the protective shell 102 and the insulation layer 101 and is connected to the boost port 118 on the high-pressure tank body 100.

[0041] When in use, when the heat transfer medium in the high-pressure tank body 100 is heated to the target temperature, the booster pump 117 is turned on to pump in the booster medium to increase the pressure in the high-pressure tank body 100, thereby achieving a high-pressure environment in the high-pressure tank body 100.

[0042] Preferably, a fourth valve 120 is provided on the boosting pipeline 119 . The fourth valve 120 can be a solenoid valve in the prior art that can realize the function of the utility model. The fourth valve 120 can prevent the heat transfer medium from entering the boosting pump 117 .

[0043] like Figure 7 As shown, preferably, it further includes a base 121, and the warm isostatic press body 10, the heating liquid tank 11 and the booster pump 117 are cooperatively arranged on the base 121. The arrangement of the base 121 can facilitate the installation of the warm isostatic press body 10, the heating liquid tank 11 and the booster pump 117.

[0044] like Figure 2 As shown, preferably, a fixing ring 122 is provided at the bottom of the protective shell 102, and the fixing ring 122 is fixedly connected to the protective shell 102 and detachably connected to the base 121 by bolts. The setting of the fixing ring 122 can facilitate the installation of the warm isostatic press body 10.

[0045] like Figure 4 As shown, in order to facilitate the addition of materials, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the high-pressure tank body 100 includes an upper end cover 123 and a high-pressure tank body 124, and the high-pressure tank body 124 has a high-pressure cavity. The upper end cover 123 is arranged on the top of the high-pressure tank body 124 and is plugged into the high-pressure tank body 124 to close the high-pressure cavity.

[0046] When in use, the upper end cover 123 and the high-pressure tank body 124 are connected by plugging, which can facilitate the addition of materials.

[0047] Preferably, the heating liquid inlet 109 is disposed on the upper end cover 123 and penetrates the upper end cover 123 from top to bottom, and one end of the second connecting pipe 110 is disposed on the upper end cover 123 and fixedly connected to the heating liquid inlet 109 .

[0048] like Figure 5 As shown, in order to facilitate the cleaning of the heating liquid tank 11, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the heating liquid tank 11 includes a liquid storage tank body 125 and a cover body 126 adapted to the liquid storage tank body 125, the cover body 126 is arranged on the top of the liquid storage tank body 125 to seal the liquid storage tank body 125, and the heating unit 114 is arranged in the liquid storage tank body 125.

[0049] Preferably, the cover 126 is threadedly connected to the liquid storage tank 125. The cover 126 and the liquid storage tank 125 are detachably connected by a thread, which can facilitate the removal of the cover 126, thereby facilitating the cleaning of the liquid storage tank 125.

[0050] Preferably, the heating liquid outlet 107 is disposed on the cover 126 and penetrates the cover 126 from top to bottom, and one end of the first connecting pipe 108 is disposed on the top of the cover 126 and connected to the heating liquid outlet 107 .

[0051] like Figure 6 As shown, preferably, a temperature sensor 127 is provided in the liquid storage tank body 125, and the temperature sensor 127 is arranged on the cover body 126. The temperature sensor 127 can adopt a temperature sensor 127 in the prior art that can realize the function of the utility model.

[0052] like Figures 7 to 9 As shown, in order to facilitate opening of the upper end cover 123 and solve the problem of inconvenience in adding materials when the current warm isostatic press is in use, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that it also includes a lifting assembly 20, which is arranged in conjunction with the high-pressure tank body 100. The lifting assembly 20 includes a mounting frame 200, a fixed frame 201, a threaded rod 202, a rotating drive member 203 and a drive assembly 204;

[0053] The mounting frame 200 is arranged in cooperation with the high-pressure tank body 100, and the fixing frame 201 is fixedly arranged on the top of the high-pressure tank body 100 and is arranged in cooperation with the second connecting pipe 110;

[0054] A pair of sliding arms 205 are provided on the fixed frame 201, and the pair of sliding arms 205 are respectively arranged on both sides of the fixed frame 201, and one end is fixedly connected to the fixed frame 201. A sliding groove 206 is provided on the mounting frame 200 to cooperate with the pair of sliding arms 205, and the other ends of the pair of sliding arms 205 are respectively arranged in the sliding groove 206 and are slidably connected to the sliding groove 206;

[0055] The threaded rod 202 is arranged on the top of the fixed frame 201, one end of the threaded rod 202 is fixedly connected to the fixed frame 201, and the other end passes through the top of the mounting frame 200 and is slidably connected to the mounting frame 200. The rotating driving member 203 is arranged on the top of the mounting frame 200, and one end of the threaded rod 202 passes through the top of the mounting frame 200 and passes through the rotating driving member 203, and is connected with the rotating driving member 203. The driving component 204 is arranged on the top of the mounting frame 200 and is arranged in cooperation with the rotating driving member 203, and is used to drive the rotating driving member 203 and then drive the threaded rod 202 to rise or fall.

[0056] Preferably, the threaded rod 202 and the mounting bracket 200 are rotatably connected.

[0057] Preferably, the fixing frame 201 is disposed on the upper end cover 123 and fixedly connected to the upper end cover 123 .

[0058] Preferably, the rotating driving member 203 includes a fixed sleeve 207 and a threaded sleeve 208, the fixed sleeve 207 is fixedly arranged on the top of the mounting frame 200, the threaded sleeve 208 is arranged on the top of the fixed sleeve 207, and the lower end of the threaded sleeve 208 is sleeved on the fixed sleeve 207 and rotatably connected to the fixed sleeve 207, one end of the threaded rod 202 passes through the mounting frame 200, passes through the fixed sleeve 207 and the threaded sleeve 208, and is slidably connected to the fixed sleeve 207, and is threadedly connected to the threaded sleeve 208.

[0059] Preferably, the threaded rod 202 and the fixing sleeve 207 are rotatably connected.

[0060] Preferably, the drive assembly 204 includes a drive motor 209, a main gear 210 and a sub-gear 211. The drive motor 209 is fixedly mounted on the mounting frame 200 via a mounting bracket 212, and the output shaft of the drive motor 209 is rotatably connected to the mounting frame 200. The main gear 210 is arranged on the output shaft of the drive motor 209 and is fixedly connected to the output shaft of the drive motor 209. The sub-gear 211 is arranged on the threaded sleeve 208 and is fixedly connected to the threaded sleeve 208. The main gear 210 and the sub-gear 211 are meshingly arranged.

[0061] Preferably, the heating liquid delivery hose 112 is provided with a margin, that is, the length of the heating liquid delivery hose 112 can adapt to the lifting and lowering of the upper end cover 123 .

[0062] When in use, the main gear 210 is driven by the driving motor 209, which in turn drives the sub-gear 211 and the threaded sleeve 208 to rotate, thereby causing the threaded rod 202 threadedly connected to the threaded sleeve 208 to rise and fall, and then drives the fixed frame 201 fixedly connected to the threaded rod 202 to drive the upper end cover 123 to rise and fall, thereby completing the opening or closing of the upper end cover 123.

[0063] In order to facilitate the control of the heating cycle, this embodiment is modified on the basis of the above embodiment, and the difference from the above embodiment is that it also includes a controller, the signal output end of the temperature sensor 127 is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input ends of the first valve 106, the second valve 111, the pump body 113, the booster pump 117 and the fourth valve 120. The controller can adopt a single chip microcomputer in the prior art that can realize the functions of the utility model.

[0064] Working principle of this utility model:

[0065] The utility model arranges the heating unit 114 in the heating liquid tank 11. When in use, the heat-conducting medium is heated by the heating unit 114 in the heating liquid tank 11, and then the heat-conducting medium in the heating liquid tank 11 is extracted through the pump body 113 on the first connecting pipe 108, and is transported to the high-pressure tank body 100 through the first connecting pipe 108, the heating liquid delivery hose 112 and the second connecting pipe 110. Then, the heat-conducting medium in the high-pressure tank body 100 is transported to the heating liquid tank 11 through the circulating liquid pipeline 105 for heating, thereby achieving the effect of heating the heat-conducting medium in the high-pressure tank body 100.

[0066] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. Circulation heating warm isostatic press, characterized in that: The invention comprises a warm isostatic press body (10) and a heating liquid tank (11), wherein the heating liquid tank (11) is used to store and heat a heat-conducting medium, and the heating liquid tank (11) is arranged on one side of the warm isostatic press body (10), and the warm isostatic press body (10) comprises a high-pressure tank body (100), a heat-insulating layer (101) and a protective shell (102) which are arranged in sequence, wherein the high-pressure tank body (100) is arranged in the protective shell (102), and the heat-insulating layer (101) is arranged between the high-pressure tank body (100) and the protective shell (102); A circulating liquid inlet (103) is provided on one side of the heating liquid tank (11), a circulating liquid outlet (104) is provided on one side of the high-pressure tank body (100), a circulating liquid pipeline (105) is provided between the circulating liquid outlet (104) and the circulating liquid inlet (103), one end of the circulating liquid pipeline (105) penetrates the protective shell (102) and the insulation layer (101) and is connected to the circulating liquid outlet (104) on the high-pressure tank body (100), and the other end is connected to the circulating liquid inlet (103) on the heating liquid tank (11), and a first valve (106) is provided on the circulating liquid pipeline (105); A heating liquid outlet (107) is provided at the top of the heating liquid tank (11), a first connecting pipe (108) is provided at the heating liquid outlet (107), one end of the first connecting pipe (108) extends into the heating liquid tank (11), a heating liquid inlet (109) is provided at the top of the high-pressure tank body (100), a second connecting pipe (110) is provided at the heating liquid inlet (109), a second valve (111) is provided on the second connecting pipe (110), the first connecting pipe (108) and the second connecting pipe (110) are connected via a heating liquid delivery hose (112), a pump body (113) is provided on the first connecting pipe (108), and a heating unit (114) is provided in the heating liquid tank (11).

2. The circulating heating warm isostatic press according to claim 1, characterized in that: A liquid inlet and outlet pipe (115) is provided on one side of the heating liquid tank (11), and a third valve (116) is provided on the liquid inlet and outlet pipe (115).

3. The circulating heating warm isostatic press according to claim 2, characterized in that: A boost pump (117) is provided on one side of the high-pressure tank body (100), and a boost port (118) is provided on the high-pressure tank body (100). The boost pump (117) is connected to the boost port (118) on the high-pressure tank body (100) through a boost pipe (119), and one end of the boost pipe (119) is connected to the boost pump (117), and the other end passes through the protective shell (102) and the thermal insulation layer (101) and is connected to the boost port (118) on the high-pressure tank body (100).

4. The circulating heating warm isostatic press according to claim 3, characterized in that: The boosting pipeline (119) is provided with a fourth valve (120).

5. The circulating heating warm isostatic press according to claim 4, characterized in that: It also includes a base (121), on which the warm isostatic press main body (10), the heating liquid tank (11) and the booster pump (117) are cooperatively arranged.

6. The circulating heating warm isostatic press according to claim 5, characterized in that: A fixing ring (122) is provided at the bottom of the protection shell (102); the fixing ring (122) is fixedly connected to the protection shell (102) and is detachably connected to the base (121) via bolts.

7. The circulating heating warm isostatic press according to claim 6, characterized in that: The high-pressure tank body (100) comprises an upper end cover (123) and a high-pressure tank body (124). The high-pressure tank body (124) has a high-pressure cavity inside. The upper end cover (123) is arranged on the top of the high-pressure tank body (124) and is plugged into the high-pressure tank body (124) to seal the high-pressure cavity.

8. The circulating heating warm isostatic press according to claim 7, characterized in that: The heating liquid inlet (109) is arranged on the upper end cover (123) and penetrates the upper end cover (123) from top to bottom. One end of the second connecting pipe (110) is arranged on the upper end cover (123) and is fixedly connected to the heating liquid inlet (109).

9. The circulating heating warm isostatic press according to claim 8, characterized in that: The heating liquid tank (11) comprises a liquid storage tank body (125) and a cover body (126) adapted to the liquid storage tank body (125); the cover body (126) is arranged on the top of the liquid storage tank body (125) and is used to seal the liquid storage tank body (125); and the heating unit (114) is arranged in the liquid storage tank body (125).

10. The circulating heating warm isostatic press according to claim 9, characterized in that: The heating liquid outlet (107) is arranged on the cover body (126) and penetrates the cover body (126) from top to bottom. One end of the first connecting pipe (108) is arranged on the top of the cover body (126) and connected to the heating liquid outlet (107).

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