Seawater-resistant foam extinguishing agent production filter

By employing a motor-driven filter cylinder and cleaning brush structure in the production filter of seawater-resistant foam fire extinguishing agent, the problem of time-consuming filter cleaning and replacement has been solved, achieving a highly efficient production process.

CN223668786UActive Publication Date: 2025-12-16SHANGHAI HUIYOU FIRE TECH CO LTD
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Patent Information

Application Number
CN202520245044.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-16
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

In the current production process of seawater-resistant foam fire extinguishing agents, cleaning and replacing filters is time-consuming and labor-intensive, affecting production efficiency.

Method used

A filter comprising a filter cylinder and a cleaning brush has been designed. The filter cylinder is driven by a motor to quickly switch the filter surface and is equipped with a cleaning brush and a waste collection drawer, enabling cleaning without disassembly and easy collection of waste.

Benefits of technology

It improves the efficiency of fire extinguishing agent production, simplifies the filter cleaning process, and reduces the time required for clogging and replacement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223668786U_ABST
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Abstract

The utility model discloses a seawater-resistant foam extinguishing agent production filter, which relates to the technical field of extinguishing agent production equipment and comprises a box body, a partition cavity is arranged in the box body, and a filter screen cylinder is arranged in the partition cavity. The two ends of the filter screen cylinder are rotationally and hermetically connected with a first rotary sealing ring and a second rotary sealing ring which are mounted on the inner wall of the box body, one end of the filter screen cylinder is directly connected with an output shaft of a motor mounted on the outer wall of the box body, a cleaning brush is arranged below the filter screen cylinder, and a brush rod is mounted on the cleaning brush; the filter screen cylinder comprises a screen body, a partition plate, an end plate and a cylinder ring, the filter screen cylinder is arranged, the filter screen cylinder comprises two filter surfaces, and the two filter surfaces can be driven by the motor to be quickly switched to serve as a filter structure, so that the filter screen cylinder is convenient to clean and clean. In this way, the time consumed by cleaning or replacing the filtering structure due to blockage can be shortened, and the production efficiency of the fire extinguishing agent can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire extinguishing agent production equipment technical field, concretely is a kind of seawater-resistant foam fire extinguishing agent production filter. BACKGROUND

[0002] Seawater-resistant foam fire extinguishing agent is a kind of extinguishing agent specially designed for use in seawater environment, can maintain good performance in high salinity environment, applicable to special scenes such as ocean, port, chemical industry and oil field, in the production process of seawater-resistant foam fire extinguishing agent, filtration is a key step, the main function of filter is to remove impurities and particulate matter in water, to ensure water quality pure, these impurities can affect the generation and quality of foam, in turn reduce the fire extinguishing effect.

[0003] Through search, patent authorized announcement No.CN 217961508 U discloses a kind of filter of foam fire extinguishing agent production, "including filter barrel body, the filter barrel body is the barrel body structure of top open, the top of the filter barrel body is coaxially provided with filter assembly to filter acidic aqueous solution or basic aqueous solution, beneficial effect lies in;With the way that insert block and insert slot vertical sliding fit and limiting rod and limiting hole longitudinal sliding fit, filter assembly can be detachably coaxially fixed in the top of filter barrel body, and only need to pull limiting rod out of limiting hole after that filter assembly can be removed from filter barrel body by making insert block vertical out of insert slot, the dismounting mode of filter assembly is simple and easy to operate, convenient for filter assembly to be taken out and cleaned thoroughly, conducive to ensuring that filter assembly has high filtering efficiency", but the above-mentioned device still needs to be disassembled to clean filter structure, and the disassembly process is time-consuming and laborious, and the replacement of installation or replacement will inevitably affect the production efficiency of fire extinguishing agent. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of seawater-resistant foam fire extinguishing agent production filter, including box, the box interior is provided with partition cavity, filter screen cylinder is provided in the partition cavity, the both ends of the filter screen cylinder are rotatably sealed with the first rotary seal ring and the second rotary seal ring installed on the inner wall of box, one end of the filter screen cylinder is directly connected with the motor output shaft installed on the outer wall of box, cleaning brush is provided below the filter screen cylinder, brush rod is installed on the cleaning brush, impurity storage drawer is provided below the cleaning brush, the filter screen cylinder includes net body, partition, end plate and cylinder ring, the net body is divided into equivalent upper and lower two parts by the two partition relatively arranged, end plate and cylinder ring are respectively installed at the both ends of the net body, flow guide plate is installed in the filter screen cylinder, water stop plate is installed on the inner wall of the partition cavity.

[0007] As a further scheme of the utility model: the box top opposite the filter screen barrel is equipped with a feeding hopper.

[0008] As a further scheme of the utility model: the lower part of the box is equipped with a discharge pipe, and the discharge pipe is equipped with a discharge valve.

[0009] As a further scheme of the utility model: the outer wall of the partition plate is embedded with a sealing rubber strip, and the partition plate is closely attached to the water stop plate and can slide relative to the water stop plate.

[0010] As a further scheme of the utility model: the brush rod is U-shaped, and the brush rod is transversely inserted into the box.

[0011] As a further scheme of the utility model: the thickness of the deflector gradually decreases from the end plate to the barrel direction.

[0012] As a further scheme of the utility model: the brush plate of the cleaning brush is an arc-shaped plate, and the inner radius of the brush plate is greater than the sum of the outer radius of the filter screen barrel and the thickness of the partition plate.

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

[0014] 1、The filter screen barrel is arranged, the filter screen barrel includes two filter surfaces, the two filter surfaces can be quickly switched to serve as a filter structure under the driving of a motor, so that the time consumed for cleaning or replacing the filter structure due to blockage is reduced, and the efficiency of fire extinguishing agent production is improved.

[0015] 2、The cleaning brush, the brush rod and the impurity storage drawer are arranged, the cleaning brush can be driven by the brush rod to clean the filter screen barrel, so that the filter screen barrel does not need to be disassembled, the cleaning is more convenient, the impurity storage drawer can store the cleaned impurities, and the personnel can clean the impurities. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of a seawater-resistant foam fire extinguishing agent production filter.

[0017] Figure 2 It is a side view of a seawater-resistant foam fire extinguishing agent production filter.

[0018] Figure 3 It is a front view of a seawater-resistant foam fire extinguishing agent production filter.

[0019] Figure 4 It is a seawater-resistant foam fire extinguishing agent production filter Figure 1 It is a schematic view of the overall structure of the filter screen barrel.

[0020] 1, box; 2, filter screen cylinder; 201, screen body; 202, partition plate; 203, end plate; 204, cylinder ring; 3, first rotary sealing ring; 4, second rotary sealing ring; 5, motor; 6, cleaning brush; 7, brush rod; 8, impurity storage drawer; 9, partition cavity; 10, flow guide plate; 11, feeding hopper; 12, discharge pipe; 13, water blocking plate; 14, sealing rubber strip; 15, supporting leg. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 In the embodiments of the present application, a seawater-resistant foam extinguishing agent production filter includes a box 1, a partition cavity 9 is arranged inside the box 1, a filter screen cylinder 2 is arranged in the partition cavity 9, the two ends of the filter screen cylinder 2 are rotationally and sealingly connected with a first rotary sealing ring 3 and a second rotary sealing ring 4 installed on the inner wall of the box 1, the first rotary sealing ring 3 and the second rotary sealing ring 4 are both composed of a sliding ring made of polytetrafluoroethylene and a rubber O-shaped ring, the rubber O-shaped ring is embedded on the inner wall of the sliding ring, and the box 1 and the filter screen cylinder 2 are sealingly and water-stoppingly connected, one end of the filter screen cylinder 2 is directly connected with the output shaft of a motor 5 installed on the outer wall of the box 1, the motor 5 rotates 180° each time, and the rotation is realized under the cooperation of a controller and an encoder, the filter screen cylinder 2 includes a screen body 201, partition plates 202, end plates 203 and a cylinder ring 204, the screen body 201 is divided into two equal upper and lower parts by the two oppositely arranged partition plates 202, the two ends of the screen body 201 are respectively provided with the end plates 203 and the cylinder ring 204, a flow guide plate 10 is installed in the filter screen cylinder 2, and a water blocking plate 13 is installed on the inner wall of the partition cavity 9.

[0023] A feeding hopper 11 is installed on the top of the box 1 opposite to the filter screen cylinder 2, the feeding hopper 11 can conveniently guide raw materials into the filter screen cylinder 2, a discharge pipe 12 is installed on one side of the lower part of the box 1, a discharge valve is installed on the discharge pipe 12, the discharge pipe 12 is used for discharging the filtered raw materials outward, and four supporting legs 15 are installed on the bottom of the box 1.

[0024] A sealing rubber strip 14 is embedded on the outer wall of the partition plate 202, the sealing rubber strip 14 strengthens the sealing between the partition plate 202 and the water blocking plate 13, and the partition plate 202 and the water blocking plate 13 are closely attached and relatively slidable.

[0025] The thickness of the flow guide plate 10 gradually decreases from the end plate 203 to the cylinder ring 204, which can quickly guide the raw materials entering the filter screen cylinder 2 to the opening of the filter screen cylinder 2, and avoid affecting the cleaning of the lower screen body 201 of the filter screen cylinder 2.

[0026] Please refer to Figures 1-2 The cleaning brush 6 is arranged below the filter screen cylinder 2, the brush rod 7 is arranged on the cleaning brush 6, and the impurity storage drawer 8 is arranged below the cleaning brush 6. The brush rod 7 is in a U-shaped structure and is transversely inserted on the box body 1. The U-shaped structure can be used as a handle to facilitate personnel to push and pull the cleaning brush 6. The brush plate of the cleaning brush 6 is in an arc-shaped structure, and the inner radius of the brush plate is greater than the sum of the outer radius of the filter screen cylinder 2 and the thickness of the partition plate 202. In this way, the filter screen cylinder 2 can be prevented from being blocked by the brush plate of the cleaning brush 6 during rotation, and movement interference can be prevented.

[0027] The working principle of the utility model is as follows:

[0028] In use, the foam extinguishing agent raw materials are poured into the box body 1 from the feeding hopper 11. The impurities in the raw materials are filtered out when passing through the filter screen cylinder 2, and then are guided outwards by the flow guide plate 10 after entering the filter screen cylinder 2, so that the raw materials fall into the bottom of the box body 1 and are finally discharged through the discharge pipe 12 on one side of the bottom of the box body 1. When the surface of the screen body 201 on the upper part of the filter screen cylinder 2 needs to be cleaned, the filter screen cylinder 2 is rotated by 180 degrees by the motor 5, so that the upper and lower screen bodies 201 of the filter screen cylinder 2 are quickly replaced. After replacement, the filter screen cylinder 2 can be reused. Then, personnel can clean the screen body 201 below the filter screen cylinder 2 by hand holding the brush rod 7 to drive the cleaning brush 6 during idle time. The impurities cleaned are fallen into the impurity storage drawer 8, and the personnel can quickly clean the impurities by pulling out the impurity storage drawer 8.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, as long as the modification, equivalent replacement, improvement, etc. are within the spirit and principles of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A sea water resistant foam extinguishing agent production filter comprising a housing (1), characterized in that: The box (1) is internally provided with a partition cavity (9), the partition cavity (9) is internally provided with a filter screen cylinder (2), both ends of the filter screen cylinder (2) are rotationally and sealingly connected with a first rotation sealing ring (3) and a second rotation sealing ring (4) installed on the inner wall of the box (1), one end of the filter screen cylinder (2) is directly connected with the output shaft of a motor (5) installed on the outer wall of the box (1), the filter screen cylinder (2) is provided below with a cleaning brush (6), the cleaning brush (6) is installed with a brush rod (7), the cleaning brush (6) is provided below with a impurity storage drawer (8), the filter screen cylinder (2) comprises a screen body (201), a partition plate (202), an end plate (203) and a cylinder ring (204), the screen body (201) is divided into two equal upper and lower parts by the two oppositely arranged partition plates (202), the screen body (201) is respectively installed at both ends with the end plate (203) and the cylinder ring (204), the filter screen cylinder (2) is internally installed with a flow guide plate (10), the partition cavity (9) is internally installed with a water blocking plate (13).

2. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The box (1) is installed on the top of the filter screen cylinder (2) with a feeding hopper (11).

3. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The box (1) is installed on the lower part of one side with a discharging pipe (12), the discharging pipe (12) is installed with a discharging valve.

4. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The partition plate (202) is externally embedded with a sealing rubber strip (14), the partition plate (202) is closely attached to the water blocking plate (13) and can slide relatively.

5. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The brush rod (7) is U-shaped, and the brush rod (7) is transversely inserted on the box (1).

6. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The thickness of the flow guide plate (10) gradually decreases from the end plate (203) to the cylinder ring (204).

7. A seawater resistant foam extinguishing agent production filter according to claim 1, characterized in that: The brush plate of the cleaning brush (6) is an arc-shaped plate, and the inner radius of the brush plate is greater than the sum of the outer radius of the filter screen cylinder (2) and the thickness of the partition plate (202).

Citation Information

Patent Citations

  • Filtering device for foam extinguishing agent production

    CN217961508U