Filter for coating granulation tail gas treatment

Abstract

The utility model belongs to the technical field of filters, and particularly discloses a filter for coating granulation tail gas treatment, which comprises a filter body, an inlet is arranged at the bottom of the filter body, a discharge pipe is arranged at the upper end of the filter body, a plurality of layers of filter components are sequentially arranged in the filter body from top to bottom, and each layer of filter component comprises a baffle, a support rod and a partition plate. A plurality of layers of mounting parts are arranged on the inner wall of the filter body, a through hole is formed in the center of the baffle, the supporting rods are arranged on the baffle, the supporting rods are arranged on the periphery of the through hole of the baffle, and the partition plate is arranged on the supporting rods. According to the filter disclosed by the utility model, a plurality of layers of filter assemblies are arranged in the filter body, so that the tail gas is subjected to multi-layer filtration to achieve the effect of no impurities such as particulate matters in the tail gas, the tail gas is effectively filtered, the particulate matters such as tar and asphalt are effectively recovered, and the damage to tail gas treatment equipment is avoided; the service life and the safety performance of tail gas treatment equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, specifically is a kind of filter for coating granulation tail gas treatment. BACKGROUND

[0002] In the production process of artificial graphite, the raw material particles need to be coated and granulated to improve the defects of the particles. During the granulation process, a small amount of water vapor, organic gas and tar will be volatilized and discharged into the tail gas treatment equipment for treatment. Since the raw material and asphalt are both micron-sized, a small amount of dust will be carried out during the discharge process. When entering the tail gas treatment equipment, the tail gas treatment equipment will be basically blocked after one batch of production, which requires disassembly and cleaning of the tail gas treatment equipment, consuming labor and affecting the quality of the product due to the blockage of the tail gas treatment equipment during production. In addition, safety accidents are likely to occur.

[0003] Therefore, a filter for coating granulation tail gas treatment is needed to filter the tail gas after coating and granulation before entering the tail gas treatment device, reducing the failure rate of the tail gas treatment equipment and improving the service life of the tail gas treatment equipment. SUMMARY

[0004] The utility model aims at providing a kind of filter for coating granulation tail gas treatment, which is designed to realize the filtration of coating granulation tail gas and the recovery of particulate matter, and to avoid the blockage of the pipeline of tail gas treatment device.

[0005] To solve the above technical problems, the utility model provides a kind of filter for coating granulation tail gas treatment, including filter body, the bottom of filter body is equipped with import, and the upper end is equipped with discharge pipe, the inside of filter body is equipped with a plurality of layers of filter components arranged in sequence from top to bottom, each layer of filter components includes baffle, support rod and partition, the inner wall of filter body is equipped with a plurality of layers of mounting parts, the baffle is placed on the mounting part, the center of baffle is equipped with through-hole, the support rod is arranged on the baffle, the number of support rods is several, several support rods are arranged around the through-hole of baffle, and are evenly distributed along the circumferential direction of through-hole, and the partition is arranged on several support rods.

[0006] Preferably, the number of support rods is 4-6, and a gap is provided between the two adjacent support rods. The length of each support rod is 10-15 cm, and the distance between the two adjacent baffles is 20-25 cm.

[0007] Further, the filter body includes a cylinder and a cylinder cover, the cylinder cover is arranged on the top of the cylinder, and a sealing ring is provided between them.

[0008] Further, two sides of the cylinder cover are provided with mounting limiting grooves, two sides of the cylinder body are provided with fixing seats, threaded rods are connected to the fixing seats, and one end of each threaded rod is fixed between the cylinder cover and the threaded rod through a nut after penetrating through the mounting limiting groove.

[0009] Specifically, the through hole in the center of the baffle is a reverse tapered hole, and the partition plate is a tapered circular plate.

[0010] Further, the mounting portion comprises a plurality of mounting blocks, the plurality of mounting blocks are uniformly distributed along the inner wall of the cylinder body, and the baffle is placed on the plurality of mounting blocks.

[0011] Further, the mounting portion comprises a mounting ring, the outer wall of the mounting ring is fixed to the inner wall of the cylinder body, and the baffle is placed on the mounting ring.

[0012] The filter for coating granulation tail gas treatment is arranged between a coating granulation kettle and a tail gas treatment equipment, a plurality of filter assemblies are arranged in the filter body, tail gas enters the cylinder from the bottom, tar, pitch and other particulate matters in the tail gas are blocked by the baffle, gas enters the filter assemblies in the upper layer through the through hole in the center of the baffle and between the supporting rods, the tail gas is filtered through multiple layers, the effect that there is no particulate matter and other impurities in the tail gas is achieved, the filtration of the tail gas and the recovery of tar, pitch and other particulate matters are effectively realized, damage to the tail gas treatment equipment is avoided, the failure rate of the tail gas treatment equipment is reduced, and the service life and safety performance of the tail gas treatment equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0014] Figure 1 is a structural section view schematic diagram of the filter for coating granulation tail gas treatment of the present application;

[0015] Figure 2 is an outline structure schematic diagram of the filter for coating granulation tail gas treatment of the present application;

[0016] Figure 3 is Figure 2 a structure schematic diagram of A in the figure;

[0017] Figure 4 is a cylinder cover structure schematic diagram of the filter for coating granulation tail gas treatment of the present application;

[0018] Figure 5 is the structure schematic view of each layer filter assembly of the filter for coating granulation tail gas treatment of the utility model,

[0019] Figure 6 is the structure schematic view of another view of each layer filter assembly of the filter for coating granulation tail gas treatment of the utility model.

[0020] In the drawing: 110-filter body, 1101-cylinder, 1102-fixed seat, 1103-cylinder cover, 1104-installation limiting groove, 1105-sealing ring, 1106-threaded rod, 1107-nut, 120-inlet, 130-discharge pipe, 140-installation part, 200-filter assembly, 210-baffle, 220-supporting rod, 230-baffle. DETAILED DESCRIPTION

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

[0022] In one specific embodiment of the utility model, as shown in Figures 1 to 6 A filter for coating granulation tail gas treatment, comprising a filter body 110, the bottom of the filter body 110 is provided with an inlet 120, the upper end is provided with a discharge pipe 130,

[0023] The inside of the filter body 110 is provided with a plurality of layers of filter assemblies 200 arranged in sequence from top to bottom, each layer of the filter assembly 200 comprises a baffle 210, a supporting rod 220 and a baffle 230, the inner wall of the filter body 110 is provided with a plurality of layers of installation parts 140, the baffle 210 is placed on the installation part 140, and the spacing between adjacent two layers of baffles 210 is 20-25 cm.

[0024] Preferably, the installation part 140 comprises a plurality of installation blocks, a plurality of installation blocks are evenly distributed along the inner wall of the cylinder 1101, and the baffle 210 is placed on a plurality of installation blocks. Or the installation part 140 comprises an installation ring (not shown), the outer wall of the installation ring is fixed with the inner wall of the cylinder 1101, and the baffle 210 is placed on the installation ring.

[0025] The center of the baffle plate 210 is provided with a through hole, the support rods 220 are arranged on the baffle plate 210, the number of the support rods 220 is several, the several support rods 220 are arranged around the through hole of the baffle plate 210 and are uniformly distributed in the circumferential direction of the through hole. Preferably, the number of the support rods 220 is 4-6, a gap is arranged between two adjacent support rods 220, the length of each support rod 220 is 10-15 cm, and the partition plates 230 are arranged on the several support rods 220. The through hole in the center of the baffle plate 210 is a reverse tapered hole, and the hole opening is larger than the hole bottom, which is beneficial to the smoke passing through the gap between two adjacent support rods and then entering the upper filter assembly. The partition plate 230 is a conical circular plate, and the top cone angle is 120°.

[0026] The filter body 110 comprises a cylinder body 1101 and a cylinder cover 1103, the cylinder cover 1103 is arranged at the top of the cylinder body 1101, and a sealing ring 1105 is arranged between the cylinder cover 1103 and the cylinder body 1101. The sealing ring 1105 can increase the sealing performance between the cylinder cover 1103 and the cylinder body 1101. The two sides of the cylinder cover 1103 are provided with mounting limiting grooves 1104, the two sides of the cylinder body 1101 are provided with fixing seats 1102, and threaded rods 1106 are connected to the fixing seats 1102. One end of the threaded rod 1106 penetrates through the mounting limiting groove 1104 and is fixed to the cylinder cover 1103 through a nut 1107.

[0027] The cylinder cover 1103 is designed to facilitate the maintenance of the inside of the cylinder body 1101. When the baffle plate 210 and the partition plate 230 in the inside of the cylinder body 1101 need to be taken out, the user rotates the nut 1107 to separate the nut 1107 from the cylinder cover 1103, then rotates the threaded rod 1106 to separate the threaded rod 1106 from the cylinder cover 1103, and then separates the cylinder cover 1103 from the cylinder body 1101, so that the baffle plate 210 and the partition plate 230 can be conveniently taken out. Conversely, the cylinder cover 1103 and the cylinder body 1101 can be fixed.

[0028] The working process of the utility model is as follows: the filter for coating granulation tail gas treatment is arranged between a coating granulation kettle and a tail gas treatment equipment, coating granulation tail gas enters the cylinder body from the bottom inlet, the tar, pitch and other particulate matters in the tail gas are blocked by the baffle plate, the tail gas enters the gap between the support rods through the reverse tapered through hole in the center of the baffle plate, then enters the upper filter assembly for filtration, after being filtered by multiple layers, the tail gas is free of particulate matters and other impurities, then enters the tail gas treatment equipment through the discharge pipe, effectively realizes the filtration of the tail gas and the recovery of the tar, pitch and other particulate matters, avoids the damage to the tail gas treatment equipment, reduces the failure rate of the tail gas treatment equipment, and improves the service life and safety performance of the tail gas treatment equipment.

[0029] The above disclosed is only a preferred embodiment of the present application, and of course cannot limit the scope of the present application, therefore equivalent changes made according to the present application claims still belong to the scope covered by the present application.

Claims

1. A filter for treating tail gas from coated granulation processes, characterized in that, The filter includes a filter body (110), with an inlet (120) at the bottom and an outlet pipe (130) at the top. The filter body (110) has several layers of filter components (200) arranged vertically inside. Each layer of filter component (200) includes a baffle (210), a support rod (220), and a partition (230). The inner wall of the filter body (110) has several layers of mounting parts (140). The baffle (210) is placed on the mounting part (140). The baffle (210) has a through hole in its center. The support rod (220) is set on the baffle (210). There are several support rods (220). The several support rods (220) are set around the through hole of the baffle (210) and are evenly distributed along the circumference of the through hole. The partition (230) is set on the several support rods (220).

2. The filter for treating coated granulation exhaust gas according to claim 1, characterized in that, The number of support rods (220) is 4-6, and there is a gap between two adjacent support rods (220). The length of each support rod (220) is 10-15cm, and the distance between two adjacent baffles (210) is 20-25cm.

3. A filter for treating coated granulation exhaust gas according to claim 1, characterized in that, The filter body (110) includes a cylinder (1101) and a cylinder cover (1103). The cylinder cover (1103) is located on the top of the cylinder (1101) and a sealing ring (1105) is provided between them.

4. A filter for treating coated granulation exhaust gas according to claim 3, characterized in that, The cylinder cover (1103) has mounting limiting grooves (1104) on both sides, and the cylinder body (1101) has fixing seats (1102) on both sides. A threaded rod (1106) is connected to the fixing seat (1102). One end of the threaded rod (1106) passes through the mounting limiting groove (1104) and is fixed to the cylinder cover (1103) by a nut (1107).

5. A filter for treating coated granulation exhaust gas according to claim 1, characterized in that, The through hole in the center of the baffle (210) is an inverted conical hole, and the partition (230) is a conical circular plate.

6. A filter for treating coated granulation exhaust gas according to claim 3, characterized in that, The mounting part (140) includes a plurality of mounting blocks, which are evenly distributed along the inner wall of the cylinder (1101), and the baffle (210) is placed on the plurality of mounting blocks.

7. A filter for treating coated granulation exhaust gas according to claim 3, characterized in that, The mounting part (140) includes a mounting ring, the outer wall of which is fixed to the inner wall of the cylinder (1101), and the baffle (210) is placed on the mounting ring.

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