Filtering device of coal mine grouting fire preventing and extinguishing vertical pulping machine

The vertical pulper filtration device, with its split design and convex screen structure, solves the problem of screen clogging, extends service life, and improves pulping efficiency.

CN223654521UActive Publication Date: 2025-12-12SHENHUA SHENDONG COAL GRP
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Patent Information

Application Number
CN202422689146.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-12
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing vertical pulping machine filtration devices are prone to clogging of the screen holes, which leads to a decrease in slurry fluidity and affects pulping efficiency, requiring frequent cleaning and replacement of the filtration structure.

Method used

The installation ring frame and screen ring frame adopt a split design, combined with a convex screen and a cross-shaped support structure. The screen can be stably installed and easily disassembled by using connecting springs and telescopic rods, avoiding the accumulation and clogging of impurities.

Benefits of technology

It extends the service life of the screen structure, simplifies the cleaning process, improves pulping efficiency, and reduces maintenance frequency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filtering device of a coal mine grouting fire preventing and extinguishing vertical pulping machine, which comprises a mounting ring frame, a screen ring frame embedded in the mounting ring frame, a convex screen fixedly connected to the top surface of the screen ring frame, a cross-shaped support rod fixedly connected to the interior of the screen ring frame, and a stable vertical rod fixedly connected to the top end of the center of the cross-shaped support rod. The top ends of the stabilizing vertical rods are fixedly connected with stabilizing top trays; the highest protruding point of the convex screen faces the interior of the vertical pulping machine, so that slurry flowing down can pass through the highest point conveniently, and filtered impurities and large particles can fall on the edge of the screen due to the jacking structural characteristic of the convex screen and cannot completely block the screen structure due to long-term accumulation; and the service life and the cleaning interval of the screen structure are prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, concretely is a kind of filter device of coal mine grouting fire-prevention and extinguishing vertical pulp machine. BACKGROUND

[0002] Coal mine grouting fire-prevention and extinguishing vertical pulp machine is an important equipment for coal mine fire prevention, mainly by preparing and injecting slurry to control and prevent fire in coal mine, and the filter device of coal mine grouting fire-prevention and extinguishing vertical pulp machine is the key component to ensure the quality of slurry, and its main function is to remove impurities and large particles in slurry to prevent pipe blockage and affect the fluidity of slurry.

[0003] Most of the existing vertical pulp machine filter devices adopt flat screen to filter impurities and large particles in slurry, but particles blocked by screen holes will spread on the top surface of screen in long-term use, which easily blocks screen holes and requires frequent cleaning and replacement of filter structure, otherwise it affects the fluidity of subsequent slurry and reduces pulp production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the problem that most of the existing vertical pulp machine filter devices adopt flat screen to filter impurities and large particles in slurry, but particles blocked by screen holes will spread on the top surface of screen in long-term use, which easily blocks screen holes and requires frequent cleaning and replacement of filter structure, otherwise it affects the fluidity of subsequent slurry and reduces pulp production efficiency, provide a kind of filter device of coal mine grouting fire-prevention and extinguishing vertical pulp machine.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of filter device of coal mine grouting fire-prevention and extinguishing vertical pulp machine, comprising: installation ring frame, the installation ring frame inside is nested with screen ring frame, the top surface of the screen ring frame is fixedly connected with convex screen, the inside of the screen ring frame is fixedly connected with cross type support rod, the one end of the cross type support rod is provided with telescopic slot, the telescopic slot one side is penetrated and is provided with adjusting slot, the inside telescopic slot one end is fixedly connected with connecting spring, the other end of the connecting spring is fixedly connected with telescopic rod, the side surface one end of the telescopic rod is fixedly connected with adjusting wrench, the center top of the cross type support rod is fixedly connected with stable vertical rod, the top of the stable vertical rod is fixedly connected with stable top disc, the one end of the screen ring frame is penetrated and is provided with screen ring hole, the one end of the inside of the installation ring frame is provided with installation ring slot.

[0006] As a further scheme of the utility model: the installation ring frame and screen ring frame are both provided as circular ring structure and are nested with each other, and the contact sides of both are provided with sealing rubber ring structure for sealing connection.

[0007] As a further scheme of the utility model: the convex screen cover is arranged on the top surface of screen ring frame, and the highest point of convex screen is stably supported by stable top disc fixedly connected to the top end of stable vertical rod.

[0008] As a further scheme of the utility model: the telescopic rod is located inside the telescopic slot and is connected in a telescopic manner, one end of the connecting spring is fixedly connected to the inside of the telescopic slot, and the other end is fixedly connected to the telescopic rod, and the adjusting slot is arranged on the same side of the adjusting wrench.

[0009] As a further scheme of the utility model: the cross-shaped supporting rod is provided as four groups of supporting rods that are intersected at one end and perpendicular to each other, and the four groups of supporting rods in the cross-shaped supporting rod are all provided with the same number of telescopic slots and connecting structures.

[0010] As a further scheme of the utility model: the number of the screen ring holes and the mounting ring slots is all provided as four groups and the specifications are adapted to each other, and the telescopic rod penetrates the screen ring hole and is pressed into the mounting ring slot under the tension of the connecting spring.

[0011] As a further scheme of the utility model: one end of the bottom surface of the mounting ring frame is fixedly connected with a reinforcing short rod, one section of the reinforcing short rod is fixedly connected to the bottom surface of the mounting ring frame, and the other section extends to the inside of the mounting ring frame, the number of the reinforcing short rods is provided as four groups and is evenly arranged around the edge of the bottom surface of the mounting ring frame, and one end of the mounting ring frame is provided with a mounting bolt.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. In the utility model, the highest protruding point of the convex screen is directed towards the inside of the vertical pulp machine, so that the flowing mud can pass through the highest point, and the impurities and large particles filtered out can fall on the edge of the screen due to the lifting structure of the convex screen, thereby avoiding the complete blockage of the screen structure caused by long-term accumulation, prolonging the service life of the screen structure and the cleaning interval.

[0014] 2. The screen ring frame and the mounting ring frame are designed in a split type, so that the screen ring frame can be individually disassembled for cleaning the impurities and large particles filtered out during subsequent use, thereby avoiding the trouble of frequent disassembly and cleaning caused by the traditional integral structure. The cross-shaped supporting rod is penetrated by the telescopic rod through four ends to provide a tensioning force by the connecting spring, and is pressed into the mounting ring slot to fix the mounting state of the cross-shaped supporting rod, and at the same time, the cross-shaped supporting rod is fixed to the screen ring frame and the connection and mounting of the mounting ring frame and the screen ring frame. The structure is simple, stable and effective, and the screen ring frame and the screen structure connected thereto can be easily and quickly disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic view of the filter device of the vertical pulp machine for coal mine grouting fire prevention and extinguishment according to the utility model;

[0016] Figure 2 is the structure schematic view of the screen ring frame in the filter device of the vertical pulp machine for coal mine grouting fire prevention and extinguishment according to the utility model;

[0017] Figure 3 is the structural schematic view of the stable vertical rod in the filter device of the coal mine grouting fire prevention and extinguishing vertical type pulp preparation machine;

[0018] Figure 4 is the structural schematic view of the cross type supporting rod in the filter device of the coal mine grouting fire prevention and extinguishing vertical type pulp preparation machine;

[0019] Figure 5 is the structural schematic view of the mounting bolt in the filter device of the coal mine grouting fire prevention and extinguishing vertical type pulp preparation machine.

[0020] In the figure: 1, mounting ring frame; 2, screen ring frame; 3, convex screen; 4, cross type supporting rod; 5, telescopic groove; 6, adjusting groove; 7, connecting spring; 8, telescopic rod; 9, adjusting wrench; 10, stable vertical rod; 11, stable top disc; 12, screen ring hole; 13, mounting ring groove; 14, reinforcing short rod; 15, mounting bolt. 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] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0023] With reference to Figures 1 to 4 The utility model discloses a kind of filtering devices of coal mine grouting fire prevention and extinguishment vertical type pulp preparation machine, comprising: installation ring frame 1, installation ring frame 1 inside is nested with screen ring frame 2, convex screen 3 is fixedly connected on the top surface of screen ring frame 2, cross type support rod 4 is fixedly connected inside screen ring frame 2, telescopic slot 5 is set in one end of cross type support rod 4, telescopic slot 5 one side is set with adjusting slot 6, one end of connecting spring 7 is fixedly connected inside telescopic slot 5, the other end of connecting spring 7 is fixedly connected with telescopic rod 8, adjusting wrench 9 is fixedly connected with telescopic rod 8 side one end, stable vertical rod 10 is fixedly connected with the center top of cross type support rod 4, stable top disc 11 is fixedly connected with the top of stable vertical rod 10, screen ring hole 12 is set with one end of screen ring frame 2, installation ring slot 13 is set with one end of installation ring frame 1 inside.

[0024] With reference to Figure 1 And Figure 2 Installation ring frame 1 and screen ring frame 2 are set as circular ring structure and are nested with each other, and sealing rubber ring structure for sealing connection is arranged on the contact side of both.

[0025] The above scheme is adopted: screen ring frame 2 and installation ring frame 1 are designed in a split type, so that the structure of screen ring frame 2 can be separately disassembled for subsequent use to clean the impurities and large particles filtered out, avoiding the trouble of frequent disassembly and cleaning caused by the traditional integral structure.

[0026] With reference to Figure 3 Convex screen 3 is covered on the top surface of screen ring frame 2, and the highest point of convex screen 3 is stably supported by stable top disc 11 fixedly connected with the top end of stable vertical rod 10.

[0027] The above scheme is adopted: the highest convex point of convex screen 3 faces the inside of vertical type pulp preparation machine, so that the flowing slurry can pass through the highest point, and the impurities and large particles filtered out can fall on the edge of the screen due to the lifting structure of convex screen 3, without causing complete blockage of the screen structure due to long-term accumulation, prolonging the service life and cleaning interval of the screen structure, and the stability of the structure of convex screen 3 is increased by stable top disc 11 supported by stable vertical rod 10.

[0028] With reference to Figure 3 And Figure 4 Telescopic rod 8 is connected in extension inside telescopic slot 5, one end of connecting spring 7 is fixedly connected inside telescopic slot 5, the other end is fixedly connected with telescopic rod 8, adjusting slot 6 is set on the same side of adjusting wrench 9, cross type support rod 4 is set as four groups of support rod structures intersecting at one end and perpendicular to each other, the same number of telescopic slots 5 and connection structures are arranged at the ends of the four groups of support rods in cross type support rod 4, the number of screen ring holes 12 and installation ring slots 13 is set as four groups and the size positions are adapted, and telescopic rod 8 penetrates screen ring hole 12 and is inserted into installation ring slot 13 under the tension of connecting spring 7.

[0029] The cross-shaped supporting rod 4 is fixed by the telescopic rod 8 provided with the tension force by the connecting spring 7 penetrating the screen ring hole 12 and being inserted into the mounting ring groove 13, so that the mounting state of the cross-shaped supporting rod 4 is fixed, and the cross-shaped supporting rod 4 is fixed to the screen ring frame 2 and the connection and mounting of the mounting ring frame 1 and the screen ring frame 2, which is simple, stable and effective, and easy to quickly disassemble and replace the screen ring frame 2 and the screen structure connected therewith.

[0030] Referring to Figure 2 and Figure 5 , the reinforcing short rod 14 is fixed to one end of the bottom surface of the mounting ring frame 1, and the other end extends to the inner side of the mounting ring frame 1, and the reinforcing short rod 14 is arranged in four groups and evenly arranged around the edge of the bottom surface of the mounting ring frame 1, and the mounting bolt 15 is arranged at one end of the mounting ring frame 1.

[0031] The above scheme is adopted: the reinforcing short rod 14 is arranged in four groups and evenly arranged around the edge of the bottom surface of the mounting ring frame 1, which further reinforces the stability of the screen ring frame 2, and the mounting ring frame 1 and the whole structure thereof are mounted on the discharge port of the vertical pulper through the mounting bolt 15.

[0032] The working principle of the utility model is as follows: in use, the screen ring frame 2 and the mounting ring frame 1 are designed in a split type, which is convenient for subsequent use of separately disassembling the structure of the screen ring frame 2 to clean the impurities and large particles filtered out, avoiding the trouble of frequent disassembly and cleaning caused by the traditional integral structure, the highest protruding point of the convex screen 3 faces the inside of the vertical pulper, which is convenient for the flowing mud to pass through the highest point, and the impurities and large particles filtered out can fall on the edge of the screen due to the lifting structure of the convex screen 3, so that the screen structure is not completely blocked due to long-term accumulation, the service life and cleaning interval of the screen structure are prolonged, the stability of the convex screen 3 structure is increased by the stable top disc 11 supported by the stable vertical rod 10, the cross-shaped supporting rod 4 is fixed by the telescopic rod 8 provided with the tension force by the connecting spring 7 penetrating the screen ring hole 12 and being inserted into the mounting ring groove 13, so that the mounting state of the cross-shaped supporting rod 4 is fixed, and the cross-shaped supporting rod 4 is fixed to the screen ring frame 2 and the connection and mounting of the mounting ring frame 1 and the screen ring frame 2, which is simple, stable and effective, and easy to quickly disassemble and replace the screen ring frame 2 and the screen structure connected therewith, the reinforcing short rod 14 is arranged in four groups and evenly arranged around the edge of the bottom surface of the mounting ring frame 1, which further reinforces the stability of the screen ring frame 2, and the mounting ring frame 1 and the whole structure thereof are mounted on the discharge port of the vertical pulper through the mounting bolt 15.

[0033] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A filter device of a coal mine grouting fire prevention and extinguishing vertical type slurry preparation machine, characterized in that, Include: The installation ring frame (1) is nested inside the screen ring frame (2), the convex screen (3) is fixed on the top surface of the screen ring frame (2), the cross-shaped support rod (4) is fixed inside the screen ring frame (2), the telescopic slot (5) is formed at one end of the cross-shaped support rod (4), the adjusting slot (6) is formed on one side of the telescopic slot (5), the connecting spring (7) is fixed at one end of the telescopic slot (5), the telescopic rod (8) is fixed at the other end of the connecting spring (7), the adjusting wrench (9) is fixed at one end of the side surface of the telescopic rod (8), the stable vertical rod (10) is fixed at the center top end of the cross-shaped support rod (4), the stable top disc (11) is fixed at the top end of the stable vertical rod (10), the screen ring hole (12) is formed on one end of the screen ring frame (2), the installation ring slot (13) is formed on one end of the inside of the installation ring frame (1).

2. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type slurry preparation machine according to claim 1, characterized in that, The installation ring frame (1) and the screen ring frame (2) are both set as circular ring structure and nested with each other, and the contact sides of both are provided with sealing rubber ring structure for sealing connection.

3. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type slurry preparation machine according to claim 1, characterized in that, The convex screen (3) is covered on the top surface of the screen ring frame (2), and the highest point of the convex screen (3) is stably supported by the stable top disc (11) fixed at the top end of the stable vertical rod (10).

4. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type slurry preparation machine according to claim 1, characterized in that, The telescopic rod (8) is connected in the telescopic slot (5), one end of the connecting spring (7) is fixed in the telescopic slot (5), the other end is fixed with the telescopic rod (8), and the adjusting slot (6) is arranged on the same side of the adjusting wrench (9).

5. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type slurry preparation machine according to claim 1, characterized in that, The cross-shaped support rod (4) is set as four groups of support rod structure intersecting at one end and perpendicular to each other, and the four groups of support rod ends of the cross-shaped support rod (4) are provided with the same number of specifications of telescopic slots (5) and their connecting structures.

6. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type grouting machine according to claim 1, characterized in that, The number of screen ring holes (12) and installation ring slots (13) is set to four groups and the size position is matched, the telescopic rod (8) penetrates the screen ring hole (12) and is inserted into the installation ring slot (13) under the tension of the connecting spring (7).

7. The filtering device of a coal mine grouting fire preventing and extinguishing vertical type slurry preparation machine according to claim 1, characterized in that, The reinforced short rod (14) is fixed at one end of the bottom surface of the installation ring frame (1), one end of the reinforced short rod (14) is fixed on the bottom surface of the installation ring frame (1), and the other end extends to the inside of the installation ring frame (1), the number of reinforced short rods (14) is set to four groups, which are evenly arranged around the edge of the bottom surface of the installation ring frame (1), and the installation bolt (15) is arranged at one end of the installation ring frame (1).