Filling equipment for heat exchanger

Abstract

The utility model discloses filling equipment for a heat exchanger, belongs to the technical field of fluid working medium filling, and is used for solving the problem that a large number of bubbles exist in a heat exchange working medium of a heat exchange pipeline in the prior art to influence the heat exchange performance. The filling equipment comprises a liquid storage tank, a liquid outlet valve, a vacuum pump and a vacuum control valve, the liquid outlet valve is arranged on a liquid outlet pipeline where the liquid storage tank is connected with a heat exchange pipeline, and the vacuum control valve is arranged on a vacuum pipeline where the vacuum pump is connected with the heat exchange pipeline; the vacuum control valve is in an open state, the vacuum pump is connected with the heat exchange pipeline, the liquid outlet valve is in a closed state, and the liquid storage tank is disconnected from the heat exchange pipeline of the heat exchanger; the vacuum control valve is in a closed state, the vacuum pump is disconnected from the heat exchange pipeline, the liquid outlet valve is in an open state, and the liquid storage tank is connected with the heat exchange pipeline of the heat exchanger. The device can be used for filling the heat exchange working medium in the heat exchanger.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fluid working substance filling technical field, especially relate to a filling equipment for heat exchanger. BACKGROUND

[0002] For the filling of heat exchange medium in heat exchanger, the conventional liquid storage tank is usually used to supply the heat exchange pipeline directly through the fluid pump.

[0003] However, due to the residual gas in the heat exchange pipeline, the heat exchange medium will also be mixed with certain gas during the process of passing through the fluid pump, resulting in a large number of bubbles in the heat exchange medium of the heat exchange pipeline, which affects the heat exchange performance. INNOVATION CONTENT

[0004] In view of the above analysis, the utility model aims at providing a filling equipment for heat exchanger to solve the problem of a large number of bubbles in the heat exchange medium of the heat exchange pipeline affecting the heat exchange performance in the prior art.

[0005] The utility model mainly aims at realizing the following technical scheme.

[0006] The utility model provides a filling equipment for heat exchanger, which is provided with a heat exchange pipeline in the heat exchanger;

[0007] The filling equipment comprises a liquid storage tank, a liquid outlet valve, a vacuum pump and a vacuum control valve, the liquid outlet valve is arranged on the liquid outlet pipeline connected between the liquid storage tank and the heat exchange pipeline, and the vacuum control valve is arranged on the vacuum pipeline connected between the vacuum pump and the heat exchange pipeline;

[0008] When the vacuum control valve is in the open state and the vacuum pump is connected with the heat exchange pipeline, the liquid outlet valve is in the closed state, and the liquid storage tank is disconnected with the heat exchange pipeline of the heat exchanger;

[0009] When the vacuum control valve is in the closed state and the vacuum pump is disconnected with the heat exchange pipeline, the liquid outlet valve is in the open state, and the liquid storage tank is connected with the heat exchange pipeline of the heat exchanger.

[0010] Further, a vacuum gauge is arranged on the vacuum pipeline.

[0011] Further, the above-mentioned filling equipment for heat exchanger further comprises a filling pipeline, and the liquid outlet end of the liquid outlet pipeline and the liquid outlet end of the vacuum pipeline are connected with the heat exchange pipeline through the filling pipeline.

[0012] Further, a filling filter is arranged on the filling pipeline.

[0013] Further, the above-mentioned filling equipment for heat exchanger further comprises a rack, and the liquid storage tank is fixedly connected with the rack.

[0014] Further, the rack comprises a mounting ring and a supporting ring, the mounting ring and the supporting ring are sleeved on the outer wall of the liquid storage tank and fixedly connected with the liquid storage tank, and the mounting ring is located above the supporting ring.

[0015] Further, the rack further comprises a connecting rib, one end of the connecting rib is fixedly connected with the mounting ring, and the other end of the connecting rib is fixedly connected with the supporting ring.

[0016] Further, the rack further comprises a moving roller, the moving roller is arranged on the lower end surface of the supporting ring and fixedly connected with the lower end surface of the supporting ring.

[0017] Further, the number of the moving rollers is multiple, and the multiple moving rollers are uniformly arranged along the circumference of the supporting ring.

[0018] Further, the above-mentioned filling equipment for the heat exchanger further comprises a liquid discharge pipeline in communication with the liquid outlet end of the liquid outlet valve and a liquid discharge valve arranged on the liquid discharge pipeline.

[0019] Compared with the prior art, the present application can achieve at least one of the following beneficial effects:

[0020] A) The filling equipment for the heat exchanger provided by the present application adds a vacuum pipeline parallel to the liquid supply pipeline on the basis of the liquid supply pipeline of the liquid storage tank, and the heat exchange pipeline can be vacuumized before the heat exchange medium is filled, so that the emptying treatment can be performed to reduce the gas supply in the heat exchange pipeline.

[0021] B) The filling equipment for the heat exchanger provided by the present application can form a vacuum environment in the heat exchange pipeline due to the vacuumization treatment, and the subsequent filling process of the heat exchange medium does not need to use a fluid pump again, but can be directly supplied into the heat exchange pipeline, so that the bubble content in the heat exchange medium in the heat exchange pipeline can be further reduced, and the heat exchange performance of the heat exchanger is improved.

[0022] In the present application, the above-mentioned technical solutions can be combined with each other to realize more preferred combination solutions. Other features and advantages of the present application will be described in the subsequent specification, and some advantages can become apparent from the specification or can be understood by implementing the present application. The purpose and other advantages of the present application can be realized and obtained through the contents specifically pointed out in the specification examples and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings are only used for the purpose of illustrating specific embodiments and are not considered as limiting the present application, and the same reference signs represent the same parts throughout the drawings.

[0024] Figure 1 The structure schematic view of the filling equipment for the heat exchanger provided by the present application is shown in the following figure.

[0025] Reference signs:

[0026] 1 - heat exchange pipeline; 2 - liquid storage tank; 3 - liquid outlet valve; 4 - vacuum pump; 5 - vacuum control valve; 6 - liquid outlet pipeline; 7 - vacuum pipeline; 8 - vacuum gauge; 9 - filling pipeline; 10 - filling filter; 11 - mounting ring; 12 - supporting ring; 13 - connecting rib; 14 - liquid discharge pipeline; 15 - liquid discharge valve. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present application will be described in detail below with reference to the drawings, wherein the drawings constitute a part of the present application and serve to explain the principles of the present application together with the embodiments of the present application, but are not intended to limit the scope of the present application.

[0028] Embodiment one

[0029] The present embodiment provides a filling device for a heat exchanger, referring to Figure 1 , the heat exchanger is provided with a heat exchange pipeline 1, the filling device comprises a liquid storage tank 2, a liquid outlet valve 3, a vacuum pump 4 and a vacuum control valve 5, the liquid outlet valve 3 is arranged on a liquid outlet pipeline 6 connected between the liquid storage tank 2 and the heat exchange pipeline 1, and the vacuum control valve 5 is arranged on a vacuum pipeline 7 of the vacuum pump 4 and the heat exchange pipeline 1; when the vacuum control valve 5 is in an open state and the vacuum pump 4 is connected with the heat exchange pipeline 1, the liquid outlet valve 3 is in a closed state, and the liquid storage tank 2 is disconnected with the heat exchange pipeline 1 of the heat exchanger; when the vacuum control valve 5 is in a closed state and the vacuum pump 4 is disconnected with the heat exchange pipeline 1, the liquid outlet valve 3 is in an open state, and the liquid storage tank 2 is connected with the heat exchange pipeline 1 of the heat exchanger.

[0030] It can be understood that, in order to be able to detect the vacuum degree in the vacuum pipeline 7 in real time, the vacuum gauge 8 is arranged on the vacuum pipeline 7, and the detection of the vacuum degree in the vacuum pipeline 7 is realized through the vacuum gauge 8.

[0031] In implementation, before the filling of the heat exchange medium (for example, water or ethylene glycol aqueous solution), the vacuum control valve 5 is opened, the liquid outlet valve 3 is closed, and the vacuum pump 4 is connected with the heat exchange pipeline 1, so as to perform vacuumization on the heat exchange pipeline 1 and the related connecting pipeline, and to discharge the air in the heat exchange pipeline 1; at this time, the liquid storage tank 2 is disconnected with the heat exchange pipeline 1 of the heat exchanger, and the heat exchange medium cannot be injected into the heat exchange pipeline 1; after vacuumization, the vacuum control valve 5 is closed, and the liquid outlet valve 3 is opened, and since the heat exchange pipeline 1 is in a vacuum state, the heat exchange medium in the liquid storage tank 2 does not need a fluid pump, and can be directly supplied into the heat exchange loop.

[0032] Compared with the prior art, the filling device for the heat exchanger provided in the present embodiment is additionally provided with the vacuum pipeline 7 parallel to the liquid supply pipeline of the liquid storage tank 2, which can perform vacuumization on the heat exchange pipeline 1 before the filling of the heat exchange medium, can perform emptying treatment, and reduces the air supply in the heat exchange pipeline 1.

[0033] On the other hand, due to the vacuumizing process, a vacuum environment can be formed in the heat exchange pipeline 1, and the subsequent filling process of the heat exchange medium does not need to use a fluid pump again, but can be directly supplied into the heat exchange pipeline 1, thereby further reducing the bubble content in the heat exchange medium in the heat exchange pipeline 1, and further improving the heat exchange performance of the heat exchanger.

[0034] In order to be able to effectively filter the heat exchange medium supplied into the heat exchange pipeline 1, and avoid impurities in the heat exchange medium flowing into the heat exchange pipeline 1 to cause the heat exchange pipeline 1 to be blocked, the above-mentioned filling equipment for the heat exchanger further comprises a filling pipeline 9, the liquid outlet end of the liquid outlet pipeline 6 and the liquid outlet end of the vacuum pipeline 7 are connected with the heat exchange pipeline 1 through the filling pipeline 9, and the filling pipeline 9 is provided with a filling filter 10. The impurities in the heat exchange medium can be filtered through the filling filter 10 to avoid blocking the heat exchange pipeline 1.

[0035] In order to be able to realize the stable installation of the liquid storage tank 2, the above-mentioned filling equipment for the heat exchanger further comprises a rack, and the liquid storage tank 2 is detachably fixedly connected with the rack, thereby ensuring the stable installation of the liquid storage tank 2.

[0036] As to the structure of the rack, specifically, it comprises a mounting ring 11, a supporting ring 12 and a connecting rib 13, the mounting ring 11 and the supporting ring 12 are sleeved on the outer wall of the liquid storage tank 2 and are fixedly connected with the liquid storage tank 2, the mounting ring 11 is located above the supporting ring 12, one end of the connecting rib 13 is fixedly connected with the mounting ring 11, and the other end of the connecting rib 13 is fixedly connected with the supporting ring 12, thereby forming a rack with a frame structure.

[0037] In order to facilitate the movement of the liquid storage tank 2, the above-mentioned rack further comprises a moving roller, and the moving roller is arranged on the lower end surface of the supporting ring 12 and is fixedly connected with the lower end surface of the supporting ring 12, and the movement of the liquid storage tank 2 is realized through the rolling of the moving roller.

[0038] Exemplarily, the number of the moving rollers is multiple, for example, 4-6, and the multiple moving rollers are uniformly arranged along the circumference of the supporting ring 12, and the multiple moving rollers can realize the horizontal support of the supporting ring 12, and at the same time, realize the smooth movement of the liquid storage tank 2 through rolling.

[0039] It can be understood that, after the heat exchange medium is filled, in order to facilitate the discharge of the heat exchange medium in the liquid storage tank 2, the above-mentioned filling equipment for the heat exchanger further comprises a liquid discharge pipeline 14 in communication with the liquid outlet end of the liquid outlet valve 3 and a liquid discharge valve 15 arranged on the liquid discharge pipeline 14, and when the liquid storage tank 2 needs to be discharged, the liquid outlet valve 3 and the liquid discharge valve 15 are both opened, so that the heat exchange medium in the liquid storage tank 2 can be discharged in time.

[0040] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A charging device for a heat exchanger, characterized in that, The heat exchanger is equipped with heat exchange pipes; The filling equipment includes a liquid storage tank, a liquid outlet valve, a vacuum pump, and a vacuum control valve. The liquid outlet valve is located on the liquid outlet pipeline connecting the liquid storage tank and the heat exchange pipeline, and the vacuum control valve is located on the vacuum pipeline connecting the vacuum pump and the heat exchange pipeline. When the vacuum control valve is in the open state, the vacuum pump is connected to the heat exchange pipeline, the liquid outlet valve is in the closed state, and the heat exchange pipeline between the liquid storage tank and the heat exchanger is disconnected. When the vacuum control valve is closed and the vacuum pump is disconnected from the heat exchange pipeline, the liquid outlet valve is open, and the liquid storage tank is connected to the heat exchange pipeline of the heat exchanger.

2. The filling device for a heat exchanger according to claim 1, characterized in that, A vacuum gauge is installed on the vacuum pipeline.

3. The filling device for a heat exchanger according to claim 1, characterized in that, It also includes a filling pipeline, wherein the liquid outlet end of the liquid outlet pipeline and the liquid outlet end of the vacuum pipeline are both connected to the heat exchange pipeline through the filling pipeline.

4. The filling device for a heat exchanger according to claim 3, characterized in that, A filling filter is provided on the filling pipeline.

5. The filling device for a heat exchanger according to claim 1, characterized in that, It also includes a frame, to which the liquid storage tank is fixedly connected.

6. The filling device for a heat exchanger according to claim 5, characterized in that, The frame includes a mounting ring and a support ring, which are sleeved on the outer wall of the liquid storage tank and fixedly connected to the liquid storage tank. The mounting ring is located above the support ring.

7. The filling device for a heat exchanger according to claim 6, characterized in that, The frame also includes a connecting rib, one end of which is fixedly connected to a mounting ring, and the other end of which is fixedly connected to a support ring.

8. The filling device for a heat exchanger according to claim 6, characterized in that, The frame also includes movable rollers, which are located on the lower end face of the support ring and are fixedly connected to the lower end face of the support ring.

9. The filling device for a heat exchanger according to claim 8, characterized in that, The number of movable rollers is multiple, and the multiple movable rollers are evenly arranged along the circumference of the support ring.

10. The filling device for a heat exchanger according to any one of claims 1 to 9, characterized in that, It also includes a drain pipe connected to the outlet end of the drain valve and a drain valve installed on the drain pipe.

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