Corrosion-resistant tail gas recovery device

Abstract

The utility model discloses a corrosion-resistant tail gas recovery device, and belongs to the technical field of tail gas recovery. The corrosion-resistant tail gas recovery device comprises a box body, a transmission mechanism, a filtering mechanism and a cleaning mechanism, the filtering mechanism comprises two pairs of first fixing frames and two pairs of second fixing frames, the two pairs of first fixing frames and the two pairs of second fixing frames are arranged at the two ends of the interior of the box body correspondingly, and the cleaning mechanism comprises four pairs of track frames; every two pairs of track frames are arranged on the inner sides of the two pairs of first fixing frames respectively, cross-shaped grooves are formed in the track frames, sliding blocks are slidably installed in the cross-shaped grooves, a movable frame is fixedly installed between each pair of sliding blocks, a beating frame is fixedly installed on one side of each movable frame, ejector rods are installed at the opposite ends of each pair of sliding blocks, and the ejector rods are fixedly installed on the movable frames. The transmission mechanism comprises a plurality of cams, one cam is arranged on the outer side of each track frame, the cams are rotationally connected with the inner wall of the box body, and the outer sides of the cams abut against the ejector robs.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas recovery technical field, concretely is a kind of corrosion-resistant tail gas recovery device. BACKGROUND

[0002] In the phenolic resin pipeline production process, a large amount of tail gas will be generated, these tail gas if not properly handled directly discharges, not only can cause serious pollution to the environment, also can endanger the health of production workshop staff, therefore, tail gas recovery device is crucial in phenolic resin pipeline production link.

[0003] Based on the above, it is found that the following problems exist: the tail gas treatment device commonly used at present has significant drawbacks in the preliminary filtration stage, large particle impurities in tail gas are easily attached to the coarse filter screen, if not cleaned in time, the filter screen will soon be blocked, greatly affecting the tail gas treatment effect and hindering the smooth operation of the entire production process.

[0004] Therefore, in view of the above, the existing structure and defects are improved, a corrosion-resistant tail gas recovery device is provided, so as to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of corrosion-resistant tail gas recovery device, to solve the problem that large particle impurities in the existing tail gas are easily attached to the coarse filter screen, if not cleaned in time, the filter screen will soon be blocked.

[0006] In view of the above problems, the technical scheme provided by the utility model is:

[0007] A kind of corrosion-resistant tail gas recovery device, including box, transmission mechanism, filter mechanism and cleaning mechanism, the filter mechanism includes two pairs of first fixed frame and two pairs of second fixed frame, the two pairs of first fixed frame and two pairs of second fixed frame are respectively arranged at the inside both ends of box, the cleaning mechanism includes four pairs of track frame, every two pairs of track frame is respectively arranged at the inner side of two pairs of first fixed frame, cross slot is formed in the inside of track frame, sliding block is slidably installed in the inside of cross slot, mobile frame is fixedly installed between every pair of sliding block, knock frame is fixedly installed on the side of mobile frame, top rod is installed at the opposite end of every pair of sliding block, the transmission mechanism includes multiple cams, one cam is arranged on the outer side of every track frame, the cam is rotatably connected with the inner wall of box, the outer side of cam and top rod abut.

[0008] The beneficial effect of the further scheme is that the box provides a containing space for the tail gas recovery device, the first fixing frame and the second fixing frame of the filtering mechanism are respectively installed at both ends inside the box, used for fixing various filtering components, the track frame of the cleaning mechanism is installed inside the first fixing frame, the sliding block slides in the cross slot to drive the moving frame and the beating frame to move, the cam of the transmission mechanism is rotationally connected with the inner wall of the box and abuts against the ejector rod, when the cam rotates, the ejector rod can be pushed, and then the moving frame and the beating frame are reciprocatingly moved, the cleaning of the adhered particulate matters on the coarse filter screen and the medium filter screen in the filtering mechanism is realized, and the blockage of the tail gas treatment is avoided.

[0009] Further, a pair of tension springs are fixedly installed on the side of the sliding block facing the cam, and one end of each of the tension springs is connected with the inner side of the track frame.

[0010] The beneficial effect of the further scheme is that one end of the tension spring on the side of the sliding block is connected with the inner side of the track frame, the tension of the tension spring can quickly reset the sliding block when the cam does not push the ejector rod, so that the beating frame hits the coarse filter screen and the medium filter screen, and the adhered particulate matters fall off.

[0011] Further, the transmission mechanism further includes two pairs of transmission boxes, the two pairs of transmission boxes are respectively arranged on both sides of the box, the central shaft of one side of the cam extends through the box to the inside of the transmission box, and a first bevel gear is sleeved on the central shaft;

[0012] When the first bevel gear continuously and reversely rotates around the axis, the profile of the cam contacts the ejector rod and pushes the ejector rod to reciprocatingly move.

[0013] The beneficial effect of the further scheme is that the transmission boxes of the transmission mechanism are arranged on both sides of the box, the central shaft of the cam extends to the transmission box and is sleeved with the first bevel gear, when the first bevel gear continuously and reversely rotates around the axis, the profile of the first bevel gear contacts the ejector rod and pushes the ejector rod to reciprocatingly move, so that the stable driving of the cleaning mechanism is realized, and the continuity of the cleaning work is ensured.

[0014] Further, a rotating shaft is rotationally connected in the inside of the transmission box, a pair of second bevel gears are sleeved on the rotating shaft, and the second bevel gears and the first bevel gears are intermeshed.

[0015] The beneficial effect of the further scheme is that the second bevel gears sleeved on the rotating shaft in the transmission box and the first bevel gears are intermeshed, the rotation of the rotating shaft can be transmitted to the first bevel gear, the transmission of power and the change of direction are realized, the cam can rotate as required, and the cleaning mechanism is driven.

[0016] Further, a servo motor is fixedly installed on the upper end of the transmission box, and the output end of the servo motor is in transmission connection with the rotating shaft.

[0017] The beneficial effect of the above further scheme is that the output end of the servo motor at the upper end of the transmission box is in transmission connection with the rotating shaft, and the rotating shaft can be driven to rotate synchronously when the servo motor is working.

[0018] Further, the coarse filter screen and the middle filter screen are movably arranged between the first fixing frames, and the activated carbon filter layer and the fine filter screen are movably arranged between each pair of second fixing frames.

[0019] The beneficial effect of the above further scheme is that the coarse filter screen and the middle filter screen movably arranged between the first fixing frames, and the activated carbon filter layer and the fine filter screen movably arranged between the second fixing frames can perform multi-stage filtering on the tail gas. The coarse filter screen first intercepts larger particles, the middle filter screen further filters smaller particles, the activated carbon filter layer adsorbs harmful gas and odor, and the fine filter screen filters tiny particles, effectively improving the purification effect of the tail gas.

[0020] Further, the collecting box is installed at one side of the coarse filter screen and the middle filter screen at the bottom end of the box body, and a box door is hinged at one end of the collecting box.

[0021] The beneficial effect of the above further scheme is that the collecting box at one side of the coarse filter screen and the middle filter screen at the bottom end of the box body can collect the impurities knocked down during the filtering process, and the box door hinged at one end of the collecting box facilitates opening and cleaning of the impurities in the collecting box.

[0022] Further, the box body is provided with a cover plate at the upper end thereof, and an air inlet cover and an air outlet cover are installed at both ends of the box body.

[0023] The beneficial effect of the above further scheme is that the cover plate installed at the upper end of the box body facilitates opening of the box body for maintenance and replacement of internal components, and the air inlet cover and the air outlet cover installed at both ends of the box body are respectively used for entry of the tail gas and discharge of the purified gas, thereby ensuring normal operation of the tail gas recycling device.

[0024] Further, the box body, the air inlet cover, the cover plate, and the air outlet cover are all made of stainless steel, and the cam and the knocking frame are both made of polytetrafluoroethylene.

[0025] The beneficial effect of the above further scheme is that the box body, the air inlet cover, the cover plate, and the air outlet cover are made of stainless steel, which has good corrosion resistance and can resist corrosion of the tail gas, thereby prolonging the service life of the device as a whole, reducing maintenance costs, and selecting polytetrafluoroethylene for the cam and the knocking frame, which has a low friction coefficient, making the cam rotate more smoothly, and the polytetrafluoroethylene also has good corrosion resistance, thereby improving the service life of the cam and the knocking frame.

[0026] Compared with the prior art, the beneficial effects of the corrosion-resistant tail gas recovery device are that the box body provides a containing space for the tail gas recovery device, the first fixing frame and the second fixing frame of the filtering mechanism are respectively installed at both ends inside the box body and are used for fixing various filtering components, the rail frame of the cleaning mechanism is installed on the inner side of the first fixing frame, the sliding block slides in the cross groove, drives the moving frame and the beating frame to move, the cam of the transmission mechanism is rotationally connected with the inner wall of the box body and abuts against the ejector rod, when the cam rotates, the ejector rod can be pushed, and then the moving frame and the beating frame are driven to reciprocate, one end of the tension spring on the side of the sliding block is connected with the inner side of the rail frame, and the tension of the tension spring can make the sliding block quickly reset when the cam does not push the ejector rod, so that the beating frame hits the coarse filter screen and the middle filter screen, particles attached to the coarse filter screen and the middle filter screen fall off, the cleaning of the particles attached to the coarse filter screen and the middle filter screen in the filtering mechanism is realized, and the tail gas treatment is not affected by the blockage. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The utility model discloses a three -dimensional structure schematic of corrosion -resistant tail gas recovery device Figure 1 ;

[0028] Figure 2 The utility model discloses a three -dimensional structure schematic of corrosion -resistant tail gas recovery device Figure 2 ;

[0029] Figure 3 The utility model discloses a three -dimensional structure schematic of corrosion -resistant tail gas recovery device's cleaning mechanism

[0030] Figure 4 The utility model discloses a three -dimensional structure schematic of corrosion -resistant tail gas recovery device's rail frame cross section

[0031] Figure 5 The utility model discloses a three -dimensional structure schematic of corrosion -resistant tail gas recovery device's transmission case local side section

[0032] In the drawing: 100, box body;101, transmission mechanism;10101, cam;10102, transmission case;10103, servo motor;10104, shaft;10105, second bevel gear;10106, first bevel gear;102, air inlet cover;103, cover plate;104, collection box;105, filtering mechanism;10501, first fixing frame;10502, second fixing frame;10503, coarse filter screen;10504, middle filter screen;10505, activated carbon filter layer;10506, fine filter screen;106, cleaning mechanism;10601, rail frame;10602, moving frame;10603, ejector rod;10604, beating frame;10605, cross groove;10606, sliding block;10607, tension spring;107, exhaust cover. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0034] Example 1

[0035] Please see Figure 1 - Figure 5 This utility model provides a technical solution: a corrosion-resistant exhaust gas recovery device, including a housing 100, a transmission mechanism 101, a filtration mechanism 105, and a cleaning mechanism 106. The filtration mechanism 105 includes two pairs of first fixing frames 10501 and two pairs of second fixing frames 10502, which are respectively disposed at both ends of the interior of the housing 100. The cleaning mechanism 106 includes four pairs of track frames 10601, with each pair of track frames 10601 disposed at two pairs of... The inner side of the first fixed frame 10501 and the interior of the track frame 10601 are all provided with cross grooves 10605. Sliding sliders 10606 are slidably installed inside the cross grooves 10605. A movable frame 10602 is fixedly installed between each pair of sliders 10606. A striking frame 10604 is fixedly installed on one side of each movable frame 10602. A push rod 10603 is installed at the opposite end of each pair of sliders 10606. The transmission mechanism 101 includes multiple cams 10101. The outer side of each track frame 10601 is provided with... A cam 10101 is provided, which is rotatably connected to the inner wall of the housing 100. The outer side of the cam 10101 abuts against the push rod 10603. The housing 100 provides a space for the exhaust gas recovery device. The first fixing frame 10501 and the second fixing frame 10502 of the filter mechanism 105 are respectively installed at both ends inside the housing 100 for fixing various filter components. The track frame 10601 of the cleaning mechanism 106 is installed inside the first fixing frame 10501. The slider 10606 is in the cross groove 10 The sliding mechanism 605 moves the movable frame 10602 and the striking frame 10604. The cam 10101 of the transmission mechanism 101 is rotatably connected to the inner wall of the housing 100 and abuts against the push rod 10603. When the cam 10101 rotates, it can push the push rod 10603, thereby driving the movable frame 10602 and the striking frame 10604 to move back and forth, so as to clean the particles attached to the coarse filter screen 10503 and the medium filter screen 10504 in the filter mechanism 105, and avoid them from clogging and affecting the treatment of exhaust gas.

[0036] Please see Figure 1 - Figure 5The slider 10606 is fixedly installed with a pair of tension springs 10607 on one side of the cam 10101, one end of the tension spring 10607 is connected with the inner side of the track frame 10601, the transmission mechanism 101 further comprises two pairs of transmission boxes 10102, the two pairs of transmission boxes 10102 are respectively arranged on the two sides of the box 100, the central shaft of the cam 10101 is extended to the inside of the transmission box 10102 and is sleeved with a first bevel gear 10106;

[0037] Wherein, when the first bevel gear 10106 continuously rotates reversely around the axis, the profile of the cam 10101 is in contact with the top rod 10603 and pushes the top rod 10603 to move back and forth, the transmission box 10102 is rotatably connected with a rotating shaft 10104, a pair of second bevel gears 10105 are sleeved on the rotating shaft 10104, the second bevel gears 10105 are meshed with the first bevel gear 10106, the upper end of the transmission box 10102 is fixedly installed with a servo motor 10103, the output end of the servo motor 10103 is in transmission connection with the rotating shaft 10104, one end of the tension spring 10607 on one side of the slider 10606 is connected with the inner side of the track frame 10601, the tension of the tension spring 10607 can make the slider 10606 quickly reset when the cam 10101 does not push the top rod 10603, so that the hitting frame 10604 hits the coarse filter screen 10503 and the middle filter screen 10504, and the particles attached thereto fall off, the transmission box 10102 of the transmission mechanism 101 is arranged on the two sides of the box 100, the central shaft of the cam 10101 is extended into the transmission box 10102 and is sleeved with the first bevel gear 10106, when the first bevel gear 10106 continuously rotates reversely around the axis, the profile thereof is in contact with the top rod 10603 and pushes the top rod 10603 to move back and forth, so as to realize stable driving of the cleaning mechanism 106 and ensure the continuity of the cleaning work, the second bevel gears 10105 sleeved on the rotating shaft 10104 in the transmission box 10102 are meshed with the first bevel gear 10106, the rotation of the rotating shaft 10104 can be transmitted to the first bevel gear 10106, so as to realize power transmission and direction change, so that the cam 10101 can rotate as required to drive the cleaning mechanism 106, the output end of the servo motor 10103 on the upper end of the transmission box 10102 is in transmission connection with the rotating shaft 10104, the servo motor 10103 can drive the rotating shaft 10104 to rotate synchronously when working.

[0038] Please refer to Figure 1 - Figure 5The rough filter screen 10503 and the middle filter screen 10504 are movably arranged between each pair of first fixed frames 10501, the activated carbon filter layer 10505 and the fine filter screen 10506 are movably arranged between each pair of second fixed frames 10502, and the bottom end of the box body 100 is provided with a collecting box 104 on one side of the rough filter screen 10503 and the middle filter screen 10504. One end of the collecting box 104 is hingedly connected with a box door, the upper end of the box body 100 is provided with a cover plate 103 through bolts, and the two ends of the box body 100 are provided with an air inlet cover 102 and an air outlet cover 107. The box body 100, the air inlet cover 102, the cover plate 103 and the air outlet cover 107 are made of stainless steel, the cam 10101 and the beating frame 10604 are made of polytetrafluoroethylene, the rough filter screen 10503 and the middle filter screen 10504 movably arranged between the first fixed frames 10501 and the activated carbon filter layer 10505 and the fine filter screen 10506 movably arranged between the second fixed frames 10502 can perform multi-stage filtration on the tail gas, the rough filter screen 10503 first intercepts larger particles, the middle filter screen 10504 further filters smaller particles, the activated carbon filter layer 10505 adsorbs harmful gases and odors, and the fine filter screen 10506 filters small particles, effectively improving the purification effect of the tail gas. The collecting box 104 at the bottom end of the box body 100 on one side of the rough filter screen 10503 and the middle filter screen 10504 can collect the impurities knocked down during the filtration process, the box door hingedly connected at one end of the collecting box 104 facilitates opening and cleaning of the impurities in the collecting box 104, the cover plate 103 bolted at the upper end of the box body 100 facilitates opening of the box body 100 for maintenance and replacement of internal components, and the air inlet cover 102 and the air outlet cover 107 installed at the two ends of the box body 100 are used for entering of the tail gas and discharging of the purified gas, respectively, to ensure normal operation of the tail gas recovery device. The box body 100, the air inlet cover 102, the cover plate 103 and the air outlet cover 107 are made of stainless steel, have good corrosion resistance, can resist tail gas erosion, prolong the service life of the device as a whole, and reduce maintenance costs. The cam 10101 and the beating frame 10604 are made of polytetrafluoroethylene, have a low friction coefficient, make the cam 10101 rotate more smoothly, and have good corrosion resistance, thereby prolonging the service life of the cam 10101 and the beating frame 10604.

[0039] Working principle

[0040] The exhaust gas enters the box body 100 through the air inlet cover 102, in the box body 100, the filter mechanism 105 fixes the coarse filter screen 10503, the middle filter screen 10504, the activated carbon filter layer 10505 and the fine filter screen 10506 through the first fixed frame 10501 and the second fixed frame 10502, and sequentially carries out multi-stage filtration on the exhaust gas to purify the exhaust gas, in the transmission mechanism 101, the servo motor 10103 is installed on the upper end of the transmission box 10102, and rotates the rotating shaft 10104 through the second bevel gear 10105 on the rotating shaft 10104 and the first bevel gear 10106 on the central shaft of the cam 10101, so that the cam 10101 continuously reverses around the axis, when the cam 10101 rotates, the profile pushes the top rod 10603, drives the slider 10606 in the cross groove 10605 and the moving frame 10602 and the beating frame 10604 connected thereto to reciprocate, when the cam 10101 does not push the top rod 10603 in the movement process, the tension spring 10607 resets the slider 10606, and the beating frame 10604 hits the coarse filter screen 10503 and the middle filter screen 10504 to clean the adhered particulate matter and prevent blockage, the falling particulate matter falls into the collection box 104 at the bottom end of the box body 100, and the purified exhaust gas is discharged through the exhaust cover 107, in addition, the box body 100, the air inlet cover 102, the cover plate 103 and the exhaust cover 107 are made of stainless steel material and are corrosion-resistant, the cam 10101 and the beating frame 10604 are made of polytetrafluoroethylene material, which not only ensures smooth rotation, but also improves corrosion resistance and prolongs the service life of each part of the device.

[0041] Although the specific embodiments of the utility model have been described above in combination with the drawings, it is not a limitation on the protection scope of the utility model, various modifications or deformations made by the person skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A corrosion resistant off-gas recovery device, characterized by, The utility model relates to a filter device, including box (100), transmission mechanism (101), filter mechanism (105) and cleaning mechanism (106), filter mechanism (105) includes two pairs of first fixed frame (10501) and two pairs of second fixed frame (10502), two pairs of first fixed frame (10501) and two pairs of second fixed frame (10502) are arranged respectively at the both ends of the inside of box (100), cleaning mechanism (106) includes four pairs of track frame (10601), and every two pairs of track frame (10601) are arranged respectively at the inside of two pairs of first fixed frame (10501), the inside of track frame (10601) is all set up cross groove (10605), the inside of cross groove (10605) is all slidably installed the sliding block (10606), and every pair of sliding block (10606) is fixedly installed with moving frame (10602), and the side of moving frame (10602) is fixedly installed with knock frame (10604), and the opposite end of every pair of sliding block (10606) is installed with the top rod (10603), transmission mechanism (101) includes a plurality of cams (10101), and the outside of every track frame (10601) is equipped with a cam (10101), the cam (10101) is rotatably connected with the inner wall of box (100), and the outside of cam (10101) is in abutment with top rod (10603).

2. A corrosion resistant off-gas recovery device according to claim 1, wherein The side of sliding block (10606) towards cam (10101) is fixedly installed with a pair of tension spring (10607), and one end of tension spring (10607) is connected with the inside of track frame (10601).

3. The corrosion resistant off-gas recovery device of claim 1, wherein, Transmission mechanism (101) still includes two pairs of transmission box (10102), and two pairs of transmission box (10102) are arranged at the both sides of box (100), and the central shaft of one side of cam (10101) all extends to the inside of transmission box (10102) through box (100) and is all equipped with first bevel gear (10106).

4. A corrosion resistant off-gas recovery device according to claim 3, wherein The inside of transmission box (10102) is rotatably connected with shaft (10104), and the shaft (10104) is all equipped with a pair of second bevel gear (10105), and second bevel gear (10105) and first bevel gear (10106) are intermeshed.

5. A corrosion resistant off-gas recovery device according to claim 4, wherein The upper end of transmission box (10102) is fixedly installed with servo motor (10103), and the output end of servo motor (10103) is transmissionally connected with shaft (10104).

6. The corrosion resistant off-gas recovery device of claim 1, wherein, The movable insertion of every pair of first fixed frame (10501) is respectively provided with coarse filter screen (10503) and middle filter screen (10504), and the movable insertion of every pair of second fixed frame (10502) is respectively provided with activated carbon filter layer (10505) and fine filter screen (10506).

7. The corrosion-resistant tail gas recovery device of claim 1, wherein, The bottom end of the box (100) is located on one side of the coarse filter screen (10503) and the middle filter screen (10504), and a collection box (104) is installed on one side of the coarse filter screen (10503) and the middle filter screen (10504), and the collection box (104) is hinged to the box door through the hinge.

8. The corrosion resistant off-gas recovery device of claim 1, wherein, The upper end of the box (100) is provided with a cover plate (103) through bolts, and the two ends of the box (100) are respectively provided with an air inlet cover (102) and an air outlet cover (107).

9. A corrosion resistant off-gas recovery device according to claim 8, wherein, The box (100), the air inlet cover (102), the cover plate (103) and the air outlet cover (107) are all made of stainless steel, and the cam (10101) and the hitting frame (10604) are all made of polytetrafluoroethylene.

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