Filtering device for material conveying

Abstract

The utility model discloses a filtering device for material conveying, which belongs to the technical field of liquid filtering equipment and comprises a filter arranged on a material pipeline, a channel for materials to pass through is arranged in the filter, a frame with a hollow middle part is arranged in the channel, detachable filtering cloth is arranged in a hollow area of the frame, and the frame is in sealing fit with the inner wall of the filter; one side of the filter is provided with an opening for the frame to go in and out, and the outer side of the opening is provided with a locking structure for fixing the frame; and inlets and outlets of the filters are provided with valves. When the material passes through the channel in the filter, the filter cloth on the frame can filter the material; when the filter cloth is blocked, the frame can be taken out from the filter to replace the filter cloth, and the assembly and disassembly are convenient and fast. According to the utility model, foreign matters and impurities in materials can be filtered, so that the product quality is improved; meanwhile, the structure is simple, and the manufacturing cost is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid filtering equipment technical field especially relates to a filter device for material conveying. BACKGROUND

[0002] In chemical production enterprises, when liquid material is in the production and conveying process, small foreign matters will enter the material when the inner wall of the pipeline falls off or the equipment is damaged, especially the finished products mixed with foreign matters are directly discharged in the finished product discharging process, which will cause different degrees of small black point foreign matter exceeding the standard and affect the product quality.

[0003] At present, the filter equipment is not installed on the discharging pipeline of the existing finished product, which leads to unstable product quality. With the increasing requirement of the company on the product quality, it is urgent to develop a filter equipment to filter the finished product material and ensure the product quality. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a filter device for material conveying.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A filter device for material conveying, comprising a filter arranged on a material pipeline, a channel for material passing through being arranged in the filter, a frame with a hollow middle part being arranged in the channel, detachable filter cloth being arranged in the hollow area of the frame, and the frame being sealingly connected with the inner wall of the filter; an opening for the frame to enter and exit being arranged on one side of the filter, a locking structure for fixing the frame being arranged on the outer side of the opening; and valves being arranged on the inlet and outlet of the filter.

[0007] Preferably, sealing grooves matched with sealing strips are arranged on the front and back surfaces of the side frames of the frame, the filter cloth is embedded in one side sealing groove through the sealing strip, and the two sides of the frame are sealingly connected with the inner wall of the filter through the sealing strip.

[0008] Preferably, protruding sliding rails are arranged on the front and back surfaces of the side frames of the frame, and sliding grooves matched with the sliding rails are arranged on the inner wall of the opening of the filter.

[0009] Preferably, the inner side of one end of the frame is sealingly connected with the inner wall of the filter through a sealing gasket.

[0010] Preferably, buffer bins with opposite inner cavities are arranged on the inlet and outlet of the filter, and the buffer bin is a conical shell with a large inner diameter and a small outer diameter.

[0011] Preferably, the filter is two or more, the two or more filters are connected in parallel with the material pipelines at two ends, and a pressure alarm is arranged at the outlet end of the filter.

[0012] Preferably, the locking structure comprises a switch door and a connecting plate, one end of the switch door is rotatably connected with one side of the opening of the filter, a groove matched with the outer frame of the frame is arranged on the inner side of the switch door, and the switch door is in sealing cooperation with the opening around the switch door through a sealing strip; one end of the connecting plate is rotatably connected with the outer wall of the filter, and the other end of the connecting plate is matched with the bolt at the end of the switch door and is fixed through a locking nut.

[0013] Preferably, the filter is internally provided with two or more frames provided with filter cloths, and the two or more frames are arranged side by side.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] The filter is installed on the material pipeline, and when the material passes through the channel in the filter, the filter cloth installed on the frame can filter the material; after a period of filtration, the filter cloth will be blocked, the frame can be taken out from the filter to replace the filter cloth and reinstalled in the filter; the external locking structure can fix the frame, and the frame is convenient and fast to disassemble and assemble. The present application can filter foreign matters in the material and improve the product quality; meanwhile, the present application has simple structure and low manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0017] In the drawings:

[0018] Figure 1 An application state diagram of the filter in the filter device for material conveying provided by the embodiments of the present application;

[0019] Figure 2 A cooperation schematic view of the frame and the filter in the embodiments of the present application;

[0020] Figure 3 An internal structure schematic view of the filter in the embodiments of the present application;

[0021] Figure 4 A cooperation schematic view of the filter cloth and the frame in the embodiments of the present application;

[0022] In the drawings: 1-filter, 2-channel, 3-frame, 4-filter cloth, 5-valve, 6-sealing strip, 7-sliding rail, 8-sealing gasket, 9-buffer bin, 10-pressure alarm, 11-switch door, 12-connecting plate. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application. In the following detailed description of the present application, some specific details are described in detail. However, those skilled in the art can also fully understand the present application without detailed description.

[0024] In addition, those skilled in the art should understand that the provided drawings are only for the purpose of illustrating the purposes, features and advantages of the present application, and the drawings are not actually drawn to scale.

[0025] At the same time, unless the context clearly requires otherwise, the terms "comprise", "comprising", and similar words in the entire specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, as "including but not limited to".

[0026] As Figure 1 shown, the utility model discloses a kind of filter devices for material conveying, including filter 1 being arranged on material pipeline, channel 2 for material passing is equipped in the filter 1, frame 3 with middle hollow is equipped in the channel 2, the hollow area of frame 3 is equipped with detachable filter cloth 4, frame 3 and the inner wall of filter 1 sealingly cooperate;The side of filter 1 is equipped with the opening for frame 3 to enter and exit, the outside of the opening is equipped with locking structure for fixing frame 3;The import and export of filter 1 are equipped with valve 5. Among them, filter cloth selects different material according to actual situation, can adopt high-density filter cloth or metal filter screen woven from natural fiber or synthetic fiber.Utilize filter cloth can play a filtering effect to material, improve product quality;When filter cloth is blocked, frame can be taken out from filter and replace filter cloth, and then be loaded into filter and be fixed by locking structure, and it is convenient and fast to assemble and disassemble.

[0027] In order to be able to reduce the influence of replacing filter cloth on material conveying, filter 1 can be designed as two or more, two or more filter 1 are connected in parallel with two end material pipelines, the outlet end of filter 1 is equipped with pressure alarm 10, when filter outlet pressure is lower than set value, pressure alarm sends warning sound, prompting staff to take measures in time, replace filter and disassemble and replace internal filter cloth.

[0028] As a preferred structure, as Figures 2-4As shown, the frame 3 has sealing grooves on both the front and rear surfaces of its frame that mate with the sealing strips 6. The filter cloth 4 is fitted into one of the sealing grooves by the sealing strips 6 around its perimeter. The two sides of the frame 3 are sealed to the inner wall of the filter 1 by the sealing strips 6. In this embodiment, the frame is a rectangular structure, but it can also be a circular or semi-circular structure. The filter cloth is fitted into the sealing grooves of the frame using the sealing strips, which facilitates installation and disassembly and enables quick replacement of the filter cloth. At the same time, one end of the frame 3 is sealed to the inner wall of the filter 1 by a sealing gasket 8. The frame is sealed to the filter by the sealing strips and the sealing gasket.

[0029] Further optimize the above structure, such as Figure 2 , 4 The frame 3 shown has raised slide rails 7 on both the front and rear sides of its two side frames, and the filter 1 has a groove on its inner wall that mates with the slide rails 7. During the loading and unloading of the frame, the slide rails and grooves work together to guide the frame, enabling rapid positioning and loading / unloading.

[0030] In addition, the openings on the sidewalls of the filter are preferably located on the side to facilitate the placement and removal of the frame.

[0031] In a specific embodiment of this utility model, the inlet and outlet of the filter 1 are provided with buffer chambers 9 with opposing inner cavities. The buffer chamber 9 is a conical shell with a larger inner cavity and a smaller outer cavity. With the help of the buffer chamber, the material flow rate can be slowed down, the contact area between the material and the filter cloth can be increased, and the material can be fully contacted with the filter cloth, thereby improving the filtration effect.

[0032] To further improve the filtration effect, the filter 1 has two or more frames 3 containing filter cloth 4, and the two or more frames 3 are arranged side by side. Multiple filter cloths are used to filter the material sequentially, further improving product quality.

[0033] In the specific production process, such as Figure 1 As shown, the locking structure includes a switch door 11 and a connecting plate 12. One end of the switch door 11 is rotatably connected to the opening side of the filter 1. The inner side of the switch door 11 is provided with a groove that matches the outer frame of the frame 3, and the four sides of the switch door 11 are sealed to the four sides of the opening by a sealing strip. One end of the connecting plate 12 is rotatably connected to the outer wall of the filter 1, and the other end of the connecting plate 12 is bolted to the end of the switch door 11 and fixed by a lock nut.

[0034] In summary, the utility model has the advantages of simple and compact structure, reasonable design and good filtering effect, at least one filter is in online operation, and the material can be filtered uninterruptedly, when the online filter is blocked, the standby filter is replaced in time, the blocked filter part is taken out and replaced, and then is loaded into the filter for standby, so that the maintenance is extremely convenient.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the scope of protection of the utility model claims.

Claims

1. A filtering device for material conveying, characterized in that: The filter includes a filter installed on a material pipeline. The filter has a channel for material to pass through, and a frame with a central hollow section is provided in the channel. A removable filter cloth is provided in the hollow section of the frame. The frame is sealed to the inner wall of the filter. One side of the filter has an opening for the frame to enter and exit, and a locking structure for fixing the frame is provided on the outside of the opening. Valves are provided at both the inlet and outlet of the filter.

2. The material conveying filter device according to claim 1, characterized in that: The frame has sealing grooves on both the front and rear sides of the frame, which are designed to cooperate with the sealing strips. The filter cloth is fitted into one side of the sealing groove by the sealing strips. The two sides of the frame are sealed to the inner wall of the filter by the sealing strips.

3. A material conveying filter device according to claim 2, characterized in that: The frame has raised slide rails on both the front and back sides of its two side frames, and the filter has a groove on the inner wall of its opening that mates with the slide rails.

4. A material conveying filter device according to claim 1, characterized in that: The inner end of the frame is sealed to the inner wall of the filter via a sealing gasket.

5. A material conveying filter device according to claim 1, characterized in that: The filter has buffer chambers with opposing inner cavities at its inlet and outlet. The buffer chambers are conical shells that are larger inside and smaller outside.

6. A material conveying filter device according to claim 1, characterized in that: There are two or more filters, and all of them are connected in parallel to the material pipelines at both ends. A pressure alarm is installed at the outlet end of each filter.

7. A material conveying filter device according to claim 1, characterized in that: The locking structure includes a switch door and a connecting plate. One end of the switch door is rotatably connected to the opening side of the filter. The inner side of the switch door is provided with a groove that matches the outer frame of the frame, and the four sides of the switch door are sealed to the four sides of the opening by a sealing strip. One end of the connecting plate is rotatably connected to the outer wall of the filter, and the other end of the connecting plate is engaged with a bolt at the end of the switch door and fixed by a lock nut.

8. A material conveying filter device according to any one of claims 1-7, characterized in that: The filter has two or more frames inside, which are filled with filter cloth, and the two or more frames are arranged side by side.

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