Precision filter

Abstract

The utility model relates to a precision filter which comprises a filtering outer cylinder, the bottom surface of the filtering outer cylinder is fixedly communicated with a water outlet pipe, the outer surface of the water outlet pipe is fixedly communicated with a first control valve, the inner wall of the filtering outer cylinder is fixedly connected with a filtering cone hopper, and the inner wall of the filtering cone hopper is connected with an activated carbon filter element in a clamped mode. Annularly arranged water leakage holes are formed in the inner bottom wall of the filtering conical hopper, a first internal thread is arranged on the inner wall of the top end of the filtering conical hopper, the inner wall of the first internal thread is in threaded connection with a filtering inner cylinder, and annularly arranged threaded holes are formed in the inner bottom wall of the filtering inner cylinder. According to the device, double-filter-element filtering of the filter can be achieved through the arranged filtering conical hopper, the activated carbon filter element and the titanium filter element pipe, precise filtering of the filter is facilitated, the filter can be conveniently and rapidly disassembled and assembled through the arranged first internal threads, threaded holes, second internal threads, a first rotating handle and a second rotating handle, and the filter is convenient to use. And the filter element is convenient to replace and clean.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a precision filter. Background Art

[0002] Precision filter (also known as security filter), the shell of the cylinder is generally made of stainless steel, and the internal tubular filter elements such as PP melt-blown, wire-sintered, folded, titanium filter element, activated carbon filter element, etc. are used as filter elements. Different filter elements are selected according to different filter media and design processes to meet the requirements of effluent water quality. It is used for solid-liquid separation of various suspensions, and for filtration of liquid medicines with relatively high environmental requirements and high filtration accuracy. It has a wide range of applications and is suitable for industrial fields such as medicine, food, chemical industry, environmental protection, and water treatment.

[0003] A Chinese patent with announcement number CN213823678U discloses a precision filter, including a tank body; a water inlet pipe, which is arranged on the side wall of the tank body and is used to connect the tank body with the filtered liquid; at least two filter elements, which are arranged in the tank body; and a water outlet pipe, which is arranged on the side wall of the tank body and is used to connect the filter elements with pipelines of subsequent processes. However, the above patent still has certain shortcomings when used. It can only realize single-filter element filtration of water, which is not convenient for precise filtration of water, and it is not convenient for quick disassembly and replacement of the filter element. For this reason, we propose a precision filter to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the above problems in the prior art, the utility model provides a precision filter.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A precision filter comprises a filter outer cylinder, the bottom surface of which is fixedly connected to a water outlet pipe, the outer surface of which is fixedly connected to a first control valve, the inner wall of which is fixedly connected to a filter cone bucket, the inner wall of which is clamped with an activated carbon filter element, the inner bottom wall of which is provided with an annularly arranged water leakage holes, the top inner wall of which is provided with a first internal thread, the inner wall of which is threadedly connected to a filter inner cylinder, the inner bottom wall of which is provided with an annularly arranged threaded holes, the inner wall of each threaded hole being threadedly connected to a titanium filter element tube, the top inner wall of which is provided with a second internal thread, the inner wall of which is threadedly connected to a sealing cover, the upper surface of which is fixedly connected to a water inlet pipe.

[0009] The left side of the water inlet pipe is fixedly connected with a second control valve, and the right end of the water inlet pipe is fixedly connected with a connector.

[0010] The top end of each titanium filter tube is fixedly connected with a first rotating handle, and the first rotating handle is located in the middle of the titanium filter tube.

[0011] A group of second rotating handles is fixedly connected to the upper surface of the sealing cover, and the number of the second rotating handles in the group is at least two.

[0012] The outer surface of the sealing cover is sleeved with a first sealing gasket, and the bottom end of each titanium filter tube is sleeved with a second sealing gasket.

[0013] An observation frame is fixedly inlaid on the front of the filter outer cylinder, and the observation frame is located in the middle of the filter outer cylinder.

[0014] (III) Beneficial effects

[0015] The beneficial effects of the utility model are as follows: through the filter cone bucket, activated carbon filter element and titanium filter element tube, double filter element filtration of the filter can be achieved, which is convenient for precise filtration of the filter, and through the first internal thread, threaded hole, second internal thread, first rotating handle and second rotating handle, the filter can be easily and quickly disassembled and assembled, which is convenient for replacing and cleaning the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the precision filter;

[0017] Figure 2 This is a rear view of the filter outer cylinder in the precision filter;

[0018] Figure 3 This is a schematic diagram of the internal anatomical structure of the filter outer cylinder in the precision filter;

[0019] Figure 4 This is a cross-sectional view of the top view of the filter outer cylinder in the precision filter.

[0020] [Description of Reference Numerals]

[0021] In the figure: 1. filter outer cylinder; 2. observation frame; 3. second turning handle; 4. sealing cover; 5. second control valve; 6. water inlet pipe; 7. connecting head; 8. water outlet pipe; 9. first control valve; 10. first sealing gasket; 11. second internal thread; 12. titanium filter element tube; 13. first turning handle; 14. second sealing gasket; 15. threaded hole; 16. first internal thread; 17. leakage hole; 18. activated carbon filter element; 19. filter cone; 20. filter inner cylinder. DETAILED DESCRIPTION

[0022] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0023] Please refer to Figures 1 to 4 As shown, a precision filter of the utility model comprises a filter outer cylinder 1, the bottom surface of the filter outer cylinder 1 is fixedly connected with a water outlet pipe 8, the outer surface of the water outlet pipe 8 is fixedly connected with a first control valve 9, the inner wall of the filter outer cylinder 1 is fixedly connected with a filter cone 19, the inner wall of the filter cone 19 is clamped with an activated carbon filter element 18, the inner bottom wall of the filter cone 19 is provided with a ring-shaped leakage hole 17, the top inner wall of the filter cone 19 is provided with a first internal thread 16, the inner wall of the first internal thread 16 is threadedly connected with a filter inner cylinder 20, the inner bottom wall of the filter inner cylinder 20 is provided with a ring-shaped threaded hole 15, the inner wall of each threaded hole 15 is threadedly connected with a titanium filter element tube 12, the top inner wall of the filter inner cylinder 20 is provided with a second internal thread 11, the inner wall of the second internal thread 11 is threadedly connected with a sealing cover 4, and the upper surface of the sealing cover 4 is fixedly connected with a water inlet pipe 6. In the actual implementation process, the filter outer cylinder 1 is first installed and fixed, and then the water injection end is connected to the water inlet pipe 6 through the connector 7, the water to be filtered is injected into the filter inner cylinder 20, and then enters the interior through the port of the titanium filter element tube 12 to filter the impurities in the water, and then is discharged through the bottom port of the titanium filter element tube 12 and falls into the filter cone 19, and is filtered twice using the activated carbon filter element 18, and then flows through the leakage hole 17 and falls into the bottom of the filter outer cylinder 1, completing the precise filtration of the water, and then opens the first control valve 9 to discharge the filtered water through the outlet pipe 8, completing the water purification treatment, and then using it.

[0024] Optionally, the left side of the water inlet pipe 6 is fixedly connected with a second control valve 5, and the right end of the water inlet pipe 6 is fixedly connected with a connector 7. In actual implementation, the connector 7 is convenient for connecting with the water injection end pipe to facilitate water supply operation of the filter.

[0025] Optionally, the top of each titanium filter tube 12 is fixedly connected with a first rotating handle 13, and the first rotating handle 13 is located in the middle of the titanium filter tube 12. In the actual implementation process, the first rotating handle 13 can make it easier for the staff to rotate the titanium filter tube 12, so as to facilitate the replacement of the titanium filter tube 12.

[0026] Optionally, a set of second rotating handles 3 is fixedly connected to the upper surface of the sealing cover 4, and the number of the set of second rotating handles 3 is at least two. In the actual implementation process, the second rotating handles 3 can make it convenient for the staff to rotate the sealing cover 4, so as to facilitate the sealing and assembly of the filter.

[0027] Optionally, the outer surface of the sealing cover 4 is sleeved with a first sealing gasket 10, and the bottom end of each titanium filter tube 12 is sleeved with a second sealing gasket 14. In the actual implementation process, the overall sealing effect of the filter can be increased, which is convenient for the precise filtration of the filter.

[0028] Optionally, an observation frame 2 is fixedly embedded on the front of the filter outer cylinder 1, and the observation frame 2 is located in the middle of the filter outer cylinder 1. In the actual implementation process, the situation inside the filter outer cylinder 1 can be observed, which is convenient for understanding the filtering and purification of the water.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description and the drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A precision filter, comprising a filter outer cylinder (1), characterized in that: The bottom surface of the filter outer cylinder (1) is fixedly connected to a water outlet pipe (8), the outer surface of the water outlet pipe (8) is fixedly connected to a first control valve (9), the inner wall of the filter outer cylinder (1) is fixedly connected to a filter cone (19), the inner wall of the filter cone (19) is clamped with an activated carbon filter element (18), the inner bottom wall of the filter cone (19) is provided with annularly arranged water leakage holes (17), the top inner wall of the filter cone (19) is provided with a first internal thread (16), and the filter cone (19) is provided with a plurality of internal threads (17). The inner wall of the first internal thread (16) is threadedly connected to a filter inner cylinder (20); the inner bottom wall of the filter inner cylinder (20) is provided with threaded holes (15) arranged in an annular pattern; the inner wall of each threaded hole (15) is threadedly connected to a titanium filter element tube (12); the top inner wall of the filter inner cylinder (20) is provided with a second internal thread (11); the inner wall of the second internal thread (11) is threadedly connected to a sealing cover (4); the upper surface of the sealing cover (4) is fixedly connected to a water inlet pipe (6).

2. A precision filter according to claim 1, characterized in that: The left side of the water inlet pipe (6) is fixedly connected to a second control valve (5), and the right end of the water inlet pipe (6) is fixedly connected to a connector (7).

3. A precision filter according to claim 1, characterized in that: The top end of each titanium filter tube (12) is fixedly connected to a first rotating handle (13), and the first rotating handle (13) is located in the middle of the titanium filter tube (12).

4. A precision filter according to claim 1, characterized in that: A group of second rotating handles (3) is fixedly connected to the upper surface of the sealing cover (4), and the number of the second rotating handles (3) in the group is at least two.

5. A precision filter according to claim 1, characterized in that: The outer surface of the sealing cover (4) is sleeved with a first sealing gasket (10), and the bottom end of each titanium filter tube (12) is sleeved with a second sealing gasket (14).

6. A precision filter according to claim 1, characterized in that: An observation frame (2) is fixedly embedded on the front side of the filter outer cylinder (1), and the observation frame (2) is located in the middle of the filter outer cylinder (1).

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