Filter screen impurity removal mechanism of chemical waste gas purification device

Abstract

The utility model provides a filter screen impurity removal mechanism of a chemical waste gas purification device, which comprises a sleeve body, a fan connecting pipe, a purifier connecting pipe and a cloth bag connecting pipe which are respectively connected with a fan, a purifier and a cloth bag are arranged outside the sleeve body, the cloth bag connecting pipe, the fan connecting pipe and the purifier connecting pipe are sequentially spaced by 90 degrees in the circumferential direction, an inner core is pivoted in the sleeve body, and the inner core is connected with the filter screen impurity removal mechanism. A 90-degree bent right-angle channel is arranged in the inner core, a channel inlet and a channel outlet of the right-angle channel correspond to the fan connecting pipe, the purifier connecting pipe or the cloth bag connecting pipe and the fan connecting pipe respectively, and a filter screen is arranged in the channel inlet. When the filter screen is full of dust and needs to be cleaned, the inner core is rotated to the right-angle channel to penetrate through the cloth bag connecting pipe and the fan connecting pipe, at the moment, the dust accumulation face of the filter screen faces the cloth bag connecting pipe, the back of the filter screen faces the wind direction, and when the fan continues to work, the dust accumulated on the filter screen can be blown into the cloth bag. And compared with a filter screen dismounting cleaning mode, the cleaning efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas purification technical field, concretely is a filter screen of chemical waste gas purification device's impurity removal mechanism. BACKGROUND

[0002] A large amount of waste gas will be produced in the process of chemical production, these waste gas contains not only solid particle waste, also some acid or alkaline toxic gas, the waste gas of chemical production needs to be handled to be discharged.

[0003] There are also some devices for waste gas purification filtering on the market at present, such as Chinese patent number: 202123087106.4 discloses "a kind of for chemical waste gas filtration safety treatment device", its technical scheme is: including shell, the left side of shell is communicated with air inlet pipe, the right side top of shell is communicated with air outlet pipe, the left side top of shell is equipped with chamber, chamber is equipped with threaded rod, threaded rod passes through shell top at one end, threaded rod is connected with moving plate at the other end bottom, the bottom of moving plate is connected with positioning strip;Shell is equipped with filter plate, the top of filter plate is provided with the positioning groove corresponding with positioning strip, the bottom of filter plate is inwardly recessed to form the sliding groove matched with slide rail.

[0004] The patent filters the waste gas by filter plate, and the device has the following problems: first, although the filter plate can be disassembled for cleaning, but during the cleaning process, the filter plate needs to be disassembled, so that the equipment is stopped for a long time, and online rapid continuous cleaning and ash removal cannot be realized. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a filter screen impurity removal mechanism of chemical waste gas purification device, which solves the problems in the above background art.

[0007] (II) technical scheme

[0008] To achieve the above purpose, the utility model realizes the following technical scheme: a filter screen impurity removal mechanism of chemical waste gas purification device, including sleeve, sleeve is provided with fan connecting pipe, purifier connecting pipe and cloth bag connecting pipe connected with fan, purifier and cloth bag respectively, cloth bag connecting pipe, fan connecting pipe and purifier connecting pipe are arranged in turn at an interval of 90°, the sleeve is pivotally connected with an inner core, the inner core is provided with a 90°-bent right-angle channel, the channel inlet and the channel outlet of the right-angle channel correspond to the fan connecting pipe, the purifier connecting pipe or the cloth bag connecting pipe, the fan connecting pipe respectively, the channel inlet is provided with a filter screen.

[0009] Preferably, a right-angle plate is arranged at the center of the inner core, and two ends of the right-angle plate correspond to the channel inlet and the channel outlet respectively.

[0010] Preferably, a fixing mechanism for positioning the right-angle plate is arranged on the sleeve, the fixing mechanism comprises a support plate, a T-shaped rod and a spring, the support plate is arranged on the sleeve, positioning holes are arranged on two sections of the right-angle plate, the T-shaped rod is vertically slidably fitted on the support plate and corresponds to the positioning holes up and down, and the spring is sleeved on the T-shaped rod.

[0011] Preferably, a hand wheel is arranged at the center of the inner core.

[0012] Preferably, the inlet of the cloth bag connecting pipe is a screw port, a threaded sleeve is pivotally connected to the bag opening ring of the cloth bag, and the threaded sleeve is threadedly connected with the screw port of the cloth bag connecting pipe.

[0013] Preferably, a support ring with a diameter smaller than the outer diameter of the filter screen is arranged on the inner ring of the channel inlet, and a limiting bolt for limiting the filter screen is threadedly connected at the inlet of the channel inlet.

[0014] (Three) beneficial effects

[0015] The utility model provides a filter screen impurity removal mechanism of chemical waste gas purification device.

[0016] 1、the filter screen impurity removal mechanism of chemical waste gas purification device, when dust needs to be cleaned up on the filter screen, the inner core is rotated to the right-angle channel through cloth bag connecting pipe, fan connecting pipe, at the moment, the side of the filter screen that accumulates dust faces the cloth bag connecting pipe, the back of the filter screen faces the wind direction, when the fan continues to work, will blow the dust accumulated on the filter screen to the cloth bag. Compared with the way of disassembling the filter screen for cleaning, the cleaning efficiency is greatly improved, and the long-time shutdown of the equipment is avoided. DRAWINGS

[0017] Figure 1 It is the isometric view of the utility model;

[0018] Figure 2 It is the cloth bag and cloth bag connecting pipe corresponding view of the utility model;

[0019] Figure 3 It is the fan connecting pipe side sectional view of the utility model;

[0020] Figure 4 It is the overall bottom sectional view of the utility model.

[0021] In the figure: 1 set body, 2 fan connecting pipe, 3 purifier connecting pipe, 4 inner core, 5 fixing mechanism, 6 right-angle channel, 7 channel inlet, 8 channel outlet, 9 filter screen, 10 cloth bag connecting pipe, 11 cloth bag, 12 bag mouth ring, 13 threaded sleeve, 14 right-angle plate, 15 rocking wheel, 16 positioning hole, 17 supporting ring, 18 limiting bolt, 51 supporting plate, 52 T-shaped rod, 53 spring. DETAILED DESCRIPTION

[0022] The utility model embodiment provides a kind of filter screen impurity removal mechanism of chemical waste gas purification device, as shown in Figures 1-4 Fig. 1), including set body 1, set body 1 outside is provided with respectively connecting fan, purifier, cloth bag 11 fan connecting pipe 2, purifier connecting pipe 3, cloth bag connecting pipe 10.Fan and purifier are prior art, specific no longer repeat.Fan will need to be purified gas from fan connecting pipe 2 is introduced, after the inner core 4 in set body 1 from purifier connecting pipe 3 into purifier.

[0023] As shown in Figure 4 Fig. 2), cloth bag connecting pipe 10, fan connecting pipe 2, purifier connecting pipe 3 annularly sequentially interval 90 °, set body 1 is hinged with inner core 4, the clearance cooperation between the outer wall of inner core 4 and the inner wall of set body 1, similar to the cooperation between piston and cylinder.Inner core 4 is provided with 90 ° bending right-angle channel 6, and the channel inlet 7 and the channel outlet 8 of right-angle channel 6 are through the outer wall of inner core 4.The channel inlet 7 and the channel outlet 8 of right-angle channel 6 have two states, state one: the channel inlet 7 and the channel outlet 8 of right-angle channel 6 correspond to fan connecting pipe 2 and purifier connecting pipe 3 respectively.State two, after inner core 4 counterclockwise rotation 90 °, the channel inlet 7 and the channel outlet 8 correspond to cloth bag connecting pipe 10 and fan connecting pipe 2 respectively.

[0024] As shown in Figure 3 Fig. 3), the channel inlet 7 is provided with filter screen 9.The inner ring of channel inlet 7 is provided with supporting ring 17 with a diameter less than the outer diameter of filter screen 9, and limiting bolt 18 for limiting filter screen 9 is threadedly connected at the inlet of channel inlet 7.During installation, filter screen 9 is placed on supporting ring 17, and then limiting bolt 18 is threadedly connected at the outer side of filter screen 9 of channel inlet 7.When filter screen 9 is disassembled, channel inlet 7 needs to be rotated to the position corresponding to cloth bag connecting pipe 10.

[0025] The center of inner core 4 is provided with rocking wheel 15.Rocking wheel 15 is used to control the rotation of inner core 4.The center of inner core 4 is provided with right-angle plate 14, and the two ends of right-angle plate 14 correspond to channel inlet 7 and channel outlet 8 respectively.Right-angle plate 14 indicates the position of channel inlet 7 and channel outlet 8.

[0026] As shown in Figures 1-2As shown, the sleeve body 1 is provided with a fixing mechanism 5 for positioning the right-angle plate 14, the fixing mechanism 5 comprises a supporting plate 51, a T-shaped rod 52 and a spring 53, the supporting plate 51 is arranged on the sleeve body 1, two sections of the right-angle plate 14 are provided with positioning holes 16, the T-shaped rod 52 is vertically slidably fitted on the supporting plate 51 and corresponds to the positioning holes 16 up and down, the spring 53 is sleeved on the T-shaped rod 52 and is located between the top end of the T-shaped rod 52 and the supporting plate 51. When the channel inlet 7 and the channel outlet 8 pass through the fan connecting pipe 2 and the purifier connecting pipe 3, the T-shaped rod 52 is inserted into one of the positioning holes 16. When the channel inlet 7 and the channel outlet 8 pass through the cloth bag connecting pipe 10 and the fan connecting pipe 2, the T-shaped rod 52 is inserted into the other positioning hole 16.

[0027] As shown in the drawings, Figure 2 As shown, the inlet of the cloth bag connecting pipe 10 is a screw port, the bag opening ring 12 of the cloth bag 11 is pivotally connected with a threaded sleeve 13 through a bearing seat, and the threaded sleeve 13 is threadedly connected with the screw port of the cloth bag connecting pipe 10. So that the cloth bag 11 can be disassembled.

[0028] Working principle: state one: the channel inlet 7 and the channel outlet 8 of the right-angle channel 6 pass through the fan connecting pipe 2 and the purifier connecting pipe 3 respectively, at this time, normal purification operation is carried out. State two: when the filter screen 9 is full of dust and needs to be cleaned, the inner core 4 is counterclockwise rotated by 90°, so that the channel inlet 7 and the channel outlet 8 of the right-angle channel 6 pass through the cloth bag connecting pipe 10 and the fan connecting pipe 2, at this time, the side of the filter screen 9 where dust is accumulated faces the cloth bag connecting pipe 10, and the back of the filter screen 9 faces the wind direction, at this time, when the fan continues to work, the dust accumulated on the filter screen 9 will be blown into the cloth bag 11. After the filter screen 9 is cleaned, the inner core 4 is clockwise rotated by 90°, and then normal purification operation is continued.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A filter screen for removing impurities in a chemical waste gas purification device, characterized in that: The utility model provides a dust catcher, it includes the sleeve (1), the sleeve (1) outside is provided with the fan connecting pipe (2), purifier connecting pipe (3), cloth bag connecting pipe (10) respectively connecting fan, purifier, cloth bag (11), cloth bag connecting pipe (10), fan connecting pipe (2), purifier connecting pipe (3) annularly follow in turn interval 90 DEG, the sleeve (1) is pivoted with the inner core (4), the inner core (4) is provided with 90 DEG bending right angle channel (6) inside, the channel inlet (7) and channel outlet (8) of right angle channel (6) correspond respectively with fan connecting pipe (2), purifier connecting pipe (3) or cloth bag connecting pipe (10), fan connecting pipe (2), and the filter screen (9) is provided in channel inlet (7).

2. The impurity removing mechanism of the chemical exhaust gas purification device according to claim 1, characterized by: The right angle plate (14) is provided at the center of the inner core (4), and the two ends of the right angle plate (14) correspond to the channel inlet (7) and the channel outlet (8) respectively.

3. The filter screen impurity removing mechanism of a chemical exhaust gas purification device according to claim 2, characterized by: The sleeve (1) is provided with a fixing mechanism (5) for positioning the right angle plate (14), the fixing mechanism (5) includes a support plate (51), a T-shaped rod (52) and a spring (53), the support plate (51) is arranged on the sleeve (1), positioning holes (16) are formed in the two sections of the right angle plate (14), the T-shaped rod (52) is vertically slidably fitted on the support plate (51) and corresponds to the positioning holes (16) up and down, and the spring (53) is sleeved on the T-shaped rod (52).

4. The impurity removing mechanism of the chemical exhaust gas purification device according to claim 1, characterized by: A hand wheel (15) is arranged at the center of the inner core (4).

5. The impurity removal mechanism of the chemical exhaust gas purification device according to claim 1, characterized by: The inlet of the cloth bag connecting pipe (10) is a screw port, a threaded sleeve (13) is pivotally connected to the bag opening ring (12) of the cloth bag (11), and the threaded sleeve (13) is threadedly connected with the screw port of the cloth bag connecting pipe (10).

6. The filter screen impurity removing mechanism of a chemical exhaust gas purification device according to claim 1, characterized by: A support ring (17) with a diameter smaller than the outer diameter of the filter screen (9) is arranged on the inner ring of the channel inlet (7), and a limiting bolt (18) for limiting the filter screen (9) is threadedly connected at the inlet of the channel inlet (7).

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