Filtering device for geothermal heating pipeline

Abstract

The utility model relates to the technical field of pipeline filtering devices, in particular to a filtering device for a geothermal heating pipeline, which comprises a filtering mechanism, and the filtering mechanism comprises a main body shell, a filter element mounting cavity, a top cover, a connecting water inlet pipe, a connecting water outlet pipe, an external water inlet pipe, an internal water outlet pipe and a filter element. In the filtering work process, the cleaning water inlet valve and the cleaning water outlet valve are closed, the external water inlet valve and the internal water outlet valve are opened, and heating water passes through the main body shell and the filter element in the filter element mounting cavity through the connecting water inlet pipe and the external water inlet pipe to complete the filtering work; and when the filter element needs to be temporarily cleaned, the external water inlet valve and the internal water outlet valve are opened, clean water passes through the filter element mounting cavity through the cleaning water inlet pipe to clean the filter element, and the clean water is discharged through the cleaning water outlet pipe after cleaning is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline filter device technical field, concretely is a kind of filter device for geothermal heating pipeline. BACKGROUND

[0002] Geothermal heating pipeline is a kind of system using underground heat source to heat, it is transmitted heat energy by pipeline buried in the ground, and the heat energy under the ground is transferred to the interior of building, to realize the purpose of heating, geothermal heating pipeline is generally divided into inlet pipe and return pipe. Inlet pipe transmits heat energy from the underground to the interior of building, and return pipe sends back the cooled water to the underground circulation, forms a closed circulation system. The burying of geothermal heating pipeline is generally divided into horizontal burying and vertical burying two modes. Horizontal burying is suitable for the area with shallow underground, pipeline is generally buried in the depth of 1-2 meters underground;Vertical burying is suitable for the area with deep underground, pipeline is generally vertically buried by drilling mode. Geothermal heating pipeline system has the characteristics of high efficiency, environmental protection and energy saving.

[0003] As disclosed in the authorized announcement No. CN 220878037 U, a kind of filter device for geothermal heating pipeline, although it realizes a kind of filter device for geothermal heating pipeline, including water passage cylinder and two filter element cylinders, but it does not solve the problem that too much impurities are adsorbed in the filter core in the existing filter device, which cannot be used and needs to be replaced, causing a certain degree of waste. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of filter device for geothermal heating pipeline, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of filter device for geothermal heating pipeline, including filter mechanism, the filter mechanism includes main body shell, filter element installation cavity, top cover, connecting inlet pipe, connecting outlet pipe, external inlet pipe, internal outlet pipe and filter core, the filter mechanism includes main body shell, the main body shell inside includes filter element installation cavity, the main body shell bottom end is provided with top cover, the main body shell one side is provided with connecting inlet pipe, the main body shell other side is provided with connecting outlet pipe, the connecting inlet pipe one side is provided with external inlet pipe, the connecting outlet pipe one side is provided with internal outlet pipe, the filter element installation cavity inside is provided with filter core;

[0007] The body shell and the top cover are provided with cleaning mechanisms at both ends, the cleaning mechanism comprises a cleaning water inlet pipe, a cleaning water outlet pipe, a cleaning water inlet valve and a cleaning water outlet valve, the cleaning mechanism comprises the cleaning water inlet pipe, the cleaning mechanism comprises the cleaning water outlet pipe, the cleaning water inlet pipe comprises the cleaning water inlet valve, and the cleaning water outlet pipe comprises the cleaning water outlet valve.

[0008] Preferably, the external water inlet pipe comprises an external water inlet valve, and the internal water outlet pipe comprises an internal water outlet valve, so that the cleaning water inlet valve and the cleaning water outlet valve are closed during the filtering work, the external water inlet valve and the internal water outlet valve are opened, the heating water is filtered through the filter element in the filter element mounting cavity through the connection between the water inlet pipe and the external water inlet pipe, and then enters the heating pipe through the connection between the water outlet pipe and the internal water outlet pipe.

[0009] Preferably, the top cover comprises a threaded plate, and the body shell comprises a threaded groove, so that the top cover and the body shell are fixed through the threaded plate and the threaded groove, and the sealing property of the whole device is effectively ensured.

[0010] Preferably, the body shell is internally provided with a sealing layer, so that the sealing property of the whole device is further improved.

[0011] Preferably, the filter element comprises a pull ring fixing groove, so that the replacement pull ring is fixed in the pull ring fixing groove when the filter element does not need to be replaced, so that the replacement pull ring is prevented from being driven by the flow of the heating water and the heating pipe is prevented from being blocked.

[0012] Preferably, the pull ring fixing groove is internally provided with a replacement pull ring, so that the whole filter element can be quickly pulled out from the filter element mounting cavity by pulling the replacement pull ring when the filter element needs to be replaced, and the efficiency during replacement is effectively improved.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The geothermal heating pipeline filter device, when in use, closes the cleaning inlet valve and the cleaning outlet valve during the filtering process, opens the external inlet valve and the internal outlet valve, filters the heating water through the filter core in the filter core installation cavity of the main body shell through the connection of the water inlet pipe and the external inlet pipe, and then enters the heating pipeline through the connection of the water outlet pipe and the internal outlet pipe; when the filter core needs to be cleaned temporarily, the external inlet valve and the internal outlet valve are opened, and the filter core is cleaned by the cleaning inlet pipe through the filter core installation cavity, and then the cleaning outlet pipe is discharged after cleaning; after cleaning, the cleaning inlet valve and the cleaning outlet valve are closed, the external inlet valve and the internal outlet valve are opened, and the filtering work is continued; when the filter core cannot be used, the top cover is opened, and then the whole filter core is pulled out from the filter core installation cavity by pulling the replacement pull ring, thereby effectively improving the efficiency during replacement.

[0015] 2. The geothermal heating pipeline filter device can quickly clean the filter core through the cleaning mechanism, can effectively improve the service life of the filter core, and can more efficiently improve the efficiency of replacing the filter core through the replacement pull ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the filter core structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the filter core structure of the utility model; Figure 3 It is an enlarged schematic diagram of A in the utility model.

[0020] In the figure: 1, the main body shell; 2, the filter core installation cavity; 3, the top cover; 4, the connection water inlet pipe; 5, the connection water outlet pipe; 6, the external inlet pipe; 7, the internal outlet pipe; 8, the filter core; 9, the cleaning inlet pipe; 10, the cleaning outlet pipe; 11, the cleaning inlet valve; 12, the cleaning outlet valve; 13, the external inlet valve; 14, the internal outlet valve; 15, the threaded plate; 16, the threaded groove; 17, the sealing layer; 18, the pull ring fixing groove; 19, the replacement pull ring. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4 A technical scheme provided by the present application is shown in the drawings.

[0023] The filter device for geothermal heating pipeline comprises a filter mechanism, the filter mechanism comprises a main body shell 1, a filter core mounting cavity 2, a top cover 3, a connecting water inlet pipe 4, a connecting water outlet pipe 5, an external water inlet pipe 6, an internal water outlet pipe 7 and a filter core 8, the filter mechanism comprises the main body shell 1, the main body shell 1 comprises the filter core mounting cavity 2 inside, the main body shell 1 is provided with the top cover 3 at the bottom end, the main body shell 1 is provided with the connecting water inlet pipe 4 at one side, the main body shell 1 is provided with the connecting water outlet pipe 5 at the other side, the connecting water inlet pipe 4 is provided with the external water inlet pipe 6 at one side, the connecting water outlet pipe 5 is provided with the internal water outlet pipe 7 at one side, and the filter core mounting cavity 2 is provided with the filter core 8 inside.

[0024] The main body shell 1 and the top cover 3 are provided with a cleaning mechanism at both ends, the cleaning mechanism comprises a cleaning water inlet pipe 9, a cleaning water outlet pipe 10, a cleaning water inlet valve 11 and a cleaning water outlet valve 12, the cleaning mechanism comprises the cleaning water inlet pipe 9, the cleaning mechanism comprises the cleaning water outlet pipe 10, the cleaning water inlet pipe 9 comprises the cleaning water inlet valve 11, and the cleaning water outlet pipe 10 comprises the cleaning water outlet valve 12.

[0025] In the embodiment, preferably, the external water inlet pipe 6 comprises an external water inlet valve 13, the internal water outlet pipe 7 comprises an internal water outlet valve 14, the cleaning water inlet valve 11 and the cleaning water outlet valve 12 are closed during the filtering work, the external water inlet valve 13 and the internal water outlet valve 14 are opened, the heating water is filtered through the filter core 8 inside the main body shell 1 and the filter core mounting cavity 2 by the connecting water inlet pipe 4 and the external water inlet pipe 6, and then enters the heating pipeline through the connecting water outlet pipe 5 and the internal water outlet pipe 7, when the filter core 8 needs to be cleaned temporarily, the external water inlet valve 13 and the internal water outlet valve 14 are opened, the filter core 8 is cleaned through the filter core mounting cavity 2 by the cleaning water inlet pipe 9, the cleaning water outlet pipe 10 is used to discharge the cleaning water after the cleaning is completed, the cleaning water inlet valve 11 and the cleaning water outlet valve 12 are closed after the cleaning is completed, the external water inlet valve 13 and the internal water outlet valve 14 are opened, and the filtering work is continuously performed.

[0026] In this embodiment, preferably, the top cover 3 comprises a threaded plate 15, the main body shell 1 comprises a threaded groove 16, and the top cover 3 and the main body shell 1 are fixed by the threaded plate 15 and the threaded groove 16, which can effectively ensure the sealing of the device as a whole.

[0027] In this embodiment, preferably, the main body shell 1 is internally provided with a sealing layer 17, which further improves the sealing of the device as a whole.

[0028] In this embodiment, preferably, the filter element 8 comprises a pull ring fixing groove 18, and the replacement pull ring 19 is fixed in the pull ring fixing groove 18 when the filter element is not needed to be replaced, so as to prevent the replacement pull ring 19 from being driven by the flow of the heating water and causing the heating pipeline to be blocked.

[0029] In this embodiment, preferably, the pull ring fixing groove 18 is internally provided with the replacement pull ring 19, and when the filter element 8 needs to be replaced, the top cover 3 is opened, and then the entire filter element can be quickly pulled out from the filter element mounting cavity 2 by pulling the replacement pull ring 19, which effectively improves the efficiency during replacement.

[0030] In use, the cleaning inlet valve 11 and the cleaning outlet valve 12 are closed during the filtering process, the external inlet valve 13 and the internal outlet valve 14 are opened, the heating water is filtered by the filter element 8 in the main body shell 1 and the filter element mounting cavity 2 through the connection of the inlet pipe 4 and the external inlet pipe 6, and then enters the heating pipeline through the connection of the outlet pipe 5 and the internal outlet pipe 7. When the filter element 8 needs to be temporarily cleaned, the external inlet valve 13 and the internal outlet valve 14 are opened, and the filter element 8 is cleaned by the cleaning water through the filter element mounting cavity 2 through the cleaning inlet pipe 9, and then the cleaning outlet pipe 10 is used to discharge the cleaning water after the cleaning is completed. After the cleaning is completed, the cleaning inlet valve 11 and the cleaning outlet valve 12 are closed, and the external inlet valve 13 and the internal outlet valve 14 are opened to continue the filtering work. When the filter element 8 is completely unusable, the top cover 3 is opened, and then the entire filter element can be quickly pulled out from the filter element mounting cavity 2 by pulling the replacement pull ring 19, which effectively improves the efficiency during replacement. The cleaning mechanism can quickly clean the filter element 8, which can effectively improve the service life of the filter element 8. The replacement pull ring 19 can more efficiently improve the efficiency of replacing the filter element 8.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A filtration device for geothermal heating pipelines, characterized in that: The filter mechanism includes a main shell (1), a filter element mounting cavity (2), a top cover (3), a connecting inlet pipe (4), a connecting outlet pipe (5), an external inlet pipe (6), an internal outlet pipe (7), and a filter element (8). The filter mechanism includes a main shell (1), the filter element mounting cavity (2) is inside the main shell (1), the top cover (3) is provided at the bottom of the main shell (1), the connecting inlet pipe (4) is provided on one side of the main shell (1), the connecting outlet pipe (5) is provided on the other side of the main shell (1), the external inlet pipe (6) is provided on one side of the connecting inlet pipe (4), the internal outlet pipe (7) is provided on one side of the connecting outlet pipe (5), and the filter element (8) is provided inside the filter element mounting cavity (2). The main body shell (1) and the top cover (3) are provided with cleaning mechanisms at both ends. The cleaning mechanism includes a cleaning inlet pipe (9), a cleaning outlet pipe (10), a cleaning inlet valve (11), and a cleaning outlet valve (12). The cleaning mechanism includes a cleaning inlet pipe (9), a cleaning outlet pipe (10), a cleaning inlet pipe (9) including a cleaning inlet valve (11), and a cleaning outlet pipe (10) including a cleaning outlet valve (12).

2. The filtration device for geothermal heating pipelines according to claim 1, characterized in that: The external water inlet pipe (6) includes an external water inlet valve (13), and the internal water outlet pipe (7) includes an internal water outlet valve (14).

3. A filtration device for geothermal heating pipelines according to claim 1, characterized in that: The top cover (3) includes a threaded plate (15), and the main body shell (1) includes a threaded groove (16).

4. A filtration device for geothermal heating pipelines according to claim 1, characterized in that: The main body shell (1) has a sealing layer (17) inside.

5. A filtration device for geothermal heating pipelines according to claim 1, characterized in that: The filter element (8) includes a pull ring fixing groove (18).

6. A filtration device for geothermal heating pipelines according to claim 5, characterized in that: The pull ring fixing groove (18) is provided with a replaceable pull ring (19).

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