Pipeline filter

Abstract

The utility model discloses a pipeline filter which comprises a box body, a filter net bag, a pressure gauge and a concentric reducing pipe, the box body is of an annular columnar structure, the box body is installed in the fracture, and the box body and the fracture are coaxially arranged; the filtering net bag is in a circular truncated cone shape, the first end of the filtering net bag is open, the second end and the side wall of the filtering net bag are each of a porous net structure, the first end of the filtering net bag is completely connected with one end of the box body in a closed mode in the circumferential direction, and the second end of the filtering net bag faces the water inflow direction. The pressure gauge is mounted on the pipeline in the water incoming direction; the first end of the concentric reducing pipe is installed on the side wall of the lower portion of the box body, and a ball valve is installed at the second end of the concentric reducing pipe. Through cooperation of the pressure gauge, the box body, the filter net bag, the concentric reducing pipe and the ball valve, backwashing can be carried out when the pressure is increased and reaches a threshold value, or the ball valve is opened to discharge sewage, so that online backwashing without dismounting is realized; pollution discharge is more convenient, and unnecessary parking is reduced; the structure is simple and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline filter equipment technical field especially relates to a pipeline filter. BACKGROUND

[0002] The conventional simple filter is usually used for removing suspended solids, particulate matter, reducing turbidity, purifying water quality, reducing system dirt, algae, corrosion and the like to protect the normal work of other equipment of the system.

[0003] The filter element of the conventional filter must be disassembled for cleaning or replacement of a new filter element after being blocked, causing the whole system to be shut down and production to be stopped, which not only wastes manpower but also affects the normal progress of subsequent work, and the pollution is difficult to discharge, which cannot meet the requirement of continuity of industrial production.

[0004] Therefore, it is necessary to develop a pipeline filter to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above problems by designing a pipeline filter.

[0006] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0007] The pipeline filter comprises:

[0008] A box body is formed as a circular column structure, the diameter of the box body is the same as the diameter of the pipeline, a break is formed on the pipeline, the length of the box body is slightly smaller than the length of the break, the box body is installed in the break, and the box body is coaxially arranged with the break;

[0009] A filter net bag is formed as a circular truncated cone, the first end of the filter net bag is provided with an opening, the second end and the side wall of the filter net bag are both provided with a porous mesh structure, the diameter of the first end of the filter net bag is greater than that of the second end, the first end of the filter net bag is completely and circumferentially connected with one end of the box body, and the second end of the filter net bag faces the direction of incoming water;

[0010] A pressure gauge is installed on the pipeline in the direction of incoming water;

[0011] A concentric reducing pipe is installed on the lower side wall of the box body, and a ball valve is installed on the second end of the concentric reducing pipe.

[0012] Preferably, the filter net bag is coaxially arranged with the box body.

[0013] Further, the filter net bag comprises a ring plate, a conical mesh and a bottom mesh, the ring plate is installed on the first end outer wall of the conical mesh, and the bottom mesh is installed on the second end of the conical mesh.

[0014] Preferably, the two ends of the box are connected with the two ends of the fracture through plate flat welding flanges respectively, and the ring plate is connected with one plate flat welding flange.

[0015] Preferably, the sidewall of the box is further provided with an observation hole.

[0016] The utility model discloses beneficial effect lies in:

[0017] The concentric reducing pipe is used as a small hopper in the box, which is located directly below the box to better collect and filter suspended matters and particulate matters; the filtering net pocket in the shape of a circular truncated cone has a shorter length than other shapes of the net pocket in the same flow area, and the filtering of suspended matters and particulate matters will not be frequently blocked, so that turbidity can be effectively reduced, and water quality can be purified; the pressure gauge is used to observe pressure, so that an operator can judge whether backwashing and pollution discharge are needed or not;

[0018] The pressure gauge, the box, the filtering net pocket, the concentric reducing pipe and the ball valve are matched, so that backwashing can be carried out when pressure increases to a threshold value, or the ball valve is opened to discharge pollution, and online backwashing without disassembly is realized; pollution discharge is more convenient, and unnecessary parking is reduced; the structure is simple, and cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the filtering net pocket in the utility model.

[0021] In the drawing, 1. Observation hole; 2. Filtering net pocket; 21. Ring plate; 22. Conical surface net; 23. Bottom surface net; 3. Box; 4. Concentric reducing pipe; 5. Plate flat welding flange; 6. Ball valve; 7. Pressure gauge. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] It should be noted that like reference numerals and letters refer to like items in the several views, and once an item is defined in one view, it should not be further defined and explained in subsequent views.

[0025] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "left", "right" and the like is based on the orientation or position relationship shown in the drawing, or is the orientation or position relationship commonly understood by those skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0026] In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrange", "connect" and the like should be understood in a broad sense, for example, "connect" can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0028] The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0029] As shown in the drawings, the pipeline filter comprises: Figures 1-2

[0030] The box body 3 is formed in a circular columnar structure, the diameter of the box body 3 is the same as the diameter of the pipeline, a break is formed on the pipeline, the length of the box body 3 is slightly smaller than the length of the break, the box body 3 is installed in the break, and the box body 3 is coaxially arranged with the break;

[0031] The filter net bag 2 is formed in a circular truncated cone shape, the first end of the filter net bag 2 is provided with an opening, the second end and the side wall of the filter net bag 2 are both in a porous mesh structure, the diameter of the first end of the filter net bag 2 is larger than the diameter of the second end, the first end of the filter net bag 2 is completely and circumferentially connected with one end of the box body 3, and the second end of the filter net bag 2 faces the direction of incoming water; the area ratio of the liquid pipeline flow area to the area of the filter net bag 2 is 1:1.

[0032] The pressure gauge 7 is installed on the pipeline in the direction of incoming water; the pressure gauge 7 is arranged to facilitate observation of pressure and judgment by the operator whether pollution needs to be discharged.​

[0033] The concentric reducer 4 is installed on the lower sidewall of the tank 3, and a ball valve 6 is installed on the second end of the concentric reducer 4, which is used as a blowdown valve.

[0034] As shown in Figure 1 some embodiments, the filter screen basket 2 is coaxially arranged with the tank 3.

[0035] As shown in Figure 1 and 2 some embodiments, the filter screen basket 2 comprises a ring plate 21, a conical screen 22, and a bottom screen 23, the ring plate 21 is installed on the outer wall of the first end of the conical screen 22, and the bottom screen 23 is installed on the second end of the conical screen 22.

[0036] As shown in Figure 1 some embodiments, the two ends of the tank 3 are respectively connected with the two ends of the break through plate flat welding flanges 5, and the ring plate 21 is connected with one plate flat welding flange 5.

[0037] As shown in Figure 1 some embodiments, the upper sidewall of the tank 3 is further provided with an observation hole 1, which is convenient for observation during maintenance, and a blind plate is used for blind break during normal operation.

[0038] During the working of the present application, the filter screen basket 2 filters the suspended solids and particulate matters in the liquid in the pipeline, and most of the suspended solids and particulate matters enter the concentric reducer 4 under the action of gravity, and the pressure gauge 7 is used for detecting water pressure, if the water pressure abnormally rises, it proves that the screen surface of the filter screen basket 2 or the vicinity thereof is blocked, at this time, backwashing is started, and after washing, the blocked screen surface can be dredged, at this time, the backwashing is closed, and the normal use scene is entered.

[0039] The above is only the preferred embodiment of the present application, it should be pointed out that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A pipeline filter, characterized in that, include: Box body; The box body is formed into a circular cylindrical structure. The diameter of the box body is the same as the diameter of the pipe. A break is made in the pipe. The length of the box body is slightly less than the length of the break. The box body is installed in the break and is coaxial with the break. Filter bag; The filter bag is formed into a frustum shape. The first end of the filter bag is open. The second end and the side wall of the filter bag are porous mesh structures. The diameter of the first end of the filter bag is larger than the diameter of the second end. The first end of the filter bag is circumferentially completely sealed to one end of the housing. The second end of the filter bag faces the direction of incoming water. Pressure gauge; the pressure gauge is installed on the pipe in the direction of incoming water. Concentric reducer; the first end of the concentric reducer is installed on the lower side wall of the housing, and a ball valve is installed on the second end of the concentric reducer.

2. The pipeline filter according to claim 1, characterized in that, The filter bag is coaxially mounted with the housing.

3. The pipeline filter according to claim 1, characterized in that, The filter bag includes a ring plate, a conical mesh, and a bottom mesh. The ring plate is installed on the outer wall of the first end of the conical mesh, and the bottom mesh is installed on the second end of the conical mesh.

4. The pipeline filter according to claim 3, characterized in that, The two ends of the box are connected to the two ends of the break through plate-type flat welding flanges, and the ring plate is connected to a plate-type flat welding flange.

5. The pipeline filter according to claim 1, characterized in that, An observation hole is also provided on the side wall of the enclosure.

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