CN219050731U

CN219050731U - Waste gas purifying mechanism for chemical production

Info

Publication number: CN219050731U
Application number: CN202320878718.5U
Authority: CN
Inventors: 刘铁刚; 韩小迪; 赵延良; 耿书林; 吴杰
Original assignee: Shandong Industry Research Institute Zhongke High End Chemical Industry Technology Research Institute Co ltd
Current assignee: Shandong Industry Research Institute Zhongke High End Chemical Industry Technology Research Institute Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-05-23
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses an exhaust gas purifying mechanism for chemical production, and belongs to the technical field of exhaust gas treatment equipment. The utility model comprises a purifying box, wherein one side of the purifying box is provided with an air inlet, the other side of the purifying box is provided with an air outlet, a filter screen and an active carbon placing frame are respectively arranged in the purifying box, two monitoring units with the same structure are arranged in the purifying box, one monitoring unit is positioned between the filter screen and the active carbon placing frame, the other monitoring unit is positioned at one side of the active carbon placing frame away from the filter screen, a controller is arranged in the purifying box, one side of the filter screen is provided with a cleaning component for cleaning the filter screen, the other side of the filter screen is provided with a vibration transmission component for vibrating the filter screen, and the controller is electrically connected with a driving part of the cleaning component and the monitoring unit; this exhaust purification mechanism can monitor the jam condition of screen cloth and active carbon in real time, in time reminds the staff to handle to have screen cloth self-cleaning function.

Description

Waste gas purifying mechanism for chemical production

Technical Field

The utility model belongs to the technical field of waste gas treatment equipment, and particularly relates to a waste gas purifying mechanism for chemical production.

Background

The chemical waste gas is toxic and harmful gas exhausted from chemical plant in chemical production, and has serious environmental pollution and health effect. Waste gas purification mainly refers to the work of treating industrial waste gas such as dust particles, smoke dust, peculiar smell gas and toxic and harmful gas generated in industrial sites.

The utility model provides a chemical industry waste gas produces and just can discharge after purifying, at present waste gas purification in-process need carry out prefiltering to waste gas, dust and large granule material that contains in order to filtering waste gas, prevent dust and large granule material from causing the influence to follow-up waste gas purification, according to the filtration safety processing device of chemical industry waste gas that chinese patent (publication No. CN 216320863U) proposed, it filters the particulate matter in the waste gas through filter component realization, wherein filter component includes the baffle, filter component still includes well groove, filter screen and active carbon, the well groove is seted up in the side of baffle and the position that corresponds of intake pipe, the filter screen symmetry is located the both sides of well groove, the active carbon is filled in the well inslot and is located the position between the filter screen of both sides, and because the particulate matter that contains in the waste gas is more, filter screen very easily takes place to block up when filtering, and after the active carbon adsorbs impurity for a long time, the aperture is adsorbed the impurity of active carbon is filled, the active carbon adsorption effect reduces, also easily takes place blocking phenomenon, the device does not set up the structure of monitoring filter screen and active carbon filtration effect in time, unable discovery and handling in time after blocking, cause whole device to shut down in time easily, certain defect exists when using.

Disclosure of Invention

The utility model aims at: in order to solve the problems in the background art, an exhaust gas purifying mechanism for chemical production is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an exhaust purification mechanism for chemical production, includes the purifying box, one side of purifying box is equipped with the air inlet, the opposite side of purifying box is equipped with the gas outlet, filter screen and active carbon are placed the frame to the inside of purifying box is installed respectively, the inside of purifying box is equipped with two monitoring units that the structure is the same, one place the monitoring unit is located between filter screen and the active carbon frame of placing, another place the monitoring unit is located the active carbon and places one side that the frame was kept away from the filter screen, the internally mounted of purifying box has the controller, one side of filter screen is equipped with the clearance subassembly that is used for clearing up the filter screen, the opposite side of filter screen is equipped with the transmission subassembly that is used for making filter screen vibrations, drive division and the monitoring unit electric connection of controller and clearance subassembly.

As a further description of the above technical solution: the monitoring unit comprises a mounting plate fixedly mounted in the purifying box, a rotating shaft rotatably connected to the middle of the mounting plate, a rotating speed sensor mounted on the side surface of the mounting plate and connected with one end of the rotating shaft, and a fan mounted on the other end of the rotating shaft, and the controller is electrically connected with the rotating speed sensor.

As a further description of the above technical solution: the cleaning assembly comprises a screw rod rotatably arranged in the purifying box, a cleaning motor arranged outside the purifying box and used for driving the screw rod, a movable mounting seat sleeved on the screw rod through threads and a cleaning brush fixedly arranged on the movable mounting seat, and the cleaning brush slides against the side surface of the filter screen.

As a further description of the above technical solution: the vibration transmission assembly comprises a first reversing coupler arranged on an output shaft of a cleaning motor, a second reversing coupler connected with the output shaft of the first reversing coupler, a rotating rod fixedly connected to the output shaft of the second reversing coupler, a pair of vibration transmission cams arranged in the purifying box and fixedly arranged on the rotating rod, a fixing seat fixedly arranged at four corners in the purifying box, a movable rod slidably arranged on the fixing seat, a connecting plate connected between one ends of the two movable rods, two impact plates connected with the other ends of the movable rods and a reset spring sleeved on the movable rods, wherein the reset spring is connected between the fixing seat and the connecting plate, the impact plates are arranged on one side of a filter screen, and the connecting plates are opposite to the pair of vibration transmission cams.

As a further description of the above technical solution: the utility model discloses a purifying box, including purifying box, filter screen, activated carbon, mounting groove and opening have been seted up respectively to the top of purifying box, the filter screen passes through the mounting groove to be installed in the inside of purifying box, the frame is placed in the purifying box through the opening to the activated carbon, the top of purifying box is equipped with the retaining member that is used for compressing tightly fixed filter screen, purifying box top bolt fastening has and is used for sealing open-ended top cap.

As a further description of the above technical solution: the locking piece comprises a pair of locking pressing plates, fastening bolts in threaded connection with two sides of the locking pressing plates, and a plurality of threaded sleeves fixedly installed on the top of the purifying box and matched with the fastening bolts.

As a further description of the above technical solution: the cleaning assembly further comprises a guide rod fixed inside the purifying box, and the movable mounting seat is sleeved on the guide rod in a sliding manner.

As a further description of the above technical solution: the inside both sides of purifying box all are equipped with the filter screen groove, filter screen and filter screen groove sliding connection.

As a further description of the above technical solution: the top of striking board all fixedly connected with installation auxiliary plate, just the installation auxiliary plate slope sets up.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the waste gas purification device for chemical production, waste gas is introduced through the air inlet, the fan is acted on by wind flow and is enabled to rotate, the rotating shaft is driven to rotate, the rotating speed sensor records the rotating speed of the rotating shaft in real time, the blocking condition of the filter screen and the activated carbon is monitored by referring to the rotating speed of the rotating shaft, once the rotating speed sensor monitors that the rotating speed is smaller than a certain threshold value, the filter screen is blocked or the activated carbon adsorbs excessive impurities, and the controller transmits signals to staff, so that the staff can process in time;

this exhaust gas purification device is when monitoring filter screen jam, accessible controller control clearance motor work, clearance motor drive clearance brush is at the surface reciprocating motion of filter screen, realize the cleanness to the filter screen, when clearance motor drive lead screw pivoted simultaneously, accessible first switching-over shaft coupling and second switching-over shaft coupling make the bull stick synchronous rotation, the epaxial biography shake cam of bull stick is reciprocal to act on the connecting plate, cooperation a plurality of reset spring's effort makes the striking board can reciprocal striking filter screen, make the filter screen vibrations, can shake the impurity of filter screen mesh in adhering to and fall down, improve the cleaning effect to the filter screen, have filter screen cleaning function after the filter screen jam, convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the purifying box of the present utility model;

FIG. 3 is a schematic view of a cleaning assembly and a vibration-transmitting assembly according to the present utility model;

FIG. 4 is a schematic view of the screen and top cover of the present utility model removed;

fig. 5 is a top cross-sectional view of the present utility model.

Legend description:

1. a purifying box; 2. an air inlet; 3. an air outlet; 4. a filter screen; 5. an activated carbon placement frame;

6. a monitoring unit; 61. a mounting plate; 62. a rotating shaft; 63. a fan; 64. a rotation speed sensor;

7. cleaning the assembly; 71. cleaning a motor; 72. a screw rod; 73. a movable mounting seat; 74. cleaning a hairbrush; 75. a guide rod;

8. a shock transmission assembly; 81. a first reversing coupling; 82. a second reversing coupling; 83. a rotating rod; 84. a shock-transmitting cam; 85. a fixing seat; 86. a movable rod; 87. a connecting plate; 88. an impingement plate; 89. a return spring;

9. a filter screen groove; 10. installing an auxiliary plate;

11. a locking member; 111. locking the pressing plate; 112. a fastening bolt; 113. a threaded sleeve;

12. a top cover; 13. a mounting groove; 14. an opening; 15. and a controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an exhaust purification mechanism for chemical production, including purifying box 1, one side of purifying box 1 is equipped with air inlet 2, the opposite side of purifying box 1 is equipped with gas outlet 3, filter screen 4 and active carbon are placed frame 5 respectively to the inside of purifying box 1, the inside of purifying box 1 is equipped with two monitoring unit 6 that the structure is the same, a monitoring unit 6 is located between filter screen 4 and the active carbon and places frame 5, another monitoring unit 6 is located the active carbon and places one side that the frame 5 kept away from filter screen 4, the internally mounted of purifying box 1 has controller 15, one side of filter screen 4 is equipped with the clearance subassembly 7 that is used for clearing up filter screen 4, the opposite side of filter screen 4 is equipped with the biography that is used for making filter screen 4 vibrations shakes subassembly 8, controller 15 and the drive division and the monitoring unit 6 electric connection of clearance subassembly 7.

The monitoring unit 6 includes a mounting plate 61 fixedly mounted in the purifying box 1, a rotating shaft 62 rotatably connected to the middle of the mounting plate 61, a rotation speed sensor 64 mounted on the side surface of the mounting plate 61 and connected to one end of the rotating shaft 62, and a fan 63 mounted on the other end of the rotating shaft 62, and the controller 15 is electrically connected to the rotation speed sensor 64.

After the exhaust gas is introduced into the air inlet 2, the fan 63 is acted on through wind flow and is enabled to rotate, the rotating shaft 62 is driven to rotate, the rotating speed of the rotating shaft 62 is recorded in real time by the rotating speed sensor 64, the filter screen 4 and the activated carbon are monitored by referring to the rotating speed of the rotating shaft 62, once the rotating speed sensor 64 monitors that the rotating speed is smaller than a certain threshold value, the monitored filter screen 4 and the activated carbon layer are blocked, and the controller 15 transmits signals to staff, so that the staff can process in time.

The cleaning assembly 7 comprises a screw rod 72 rotatably installed inside the purifying box 1, a cleaning motor 71 installed outside the purifying box 1 and used for driving the screw rod 72, a movable mounting seat 73 sleeved on the screw rod 72 through threads, and a cleaning hairbrush 74 fixedly installed on the movable mounting seat 73, wherein the cleaning hairbrush 74 slides and abuts against the side face of the filter screen 4.

When the monitoring unit 6 monitors that the filter screen 4 is blocked, the controller 15 can control the cleaning motor 71 to work, the cleaning motor 71 drives the screw rod 72 to rotate forwards and reversely, so that the cleaning hairbrush 74 reciprocates on the surface of the filter screen 4, the filter screen 4 is cleaned, and the smoothness of the filter screen 4 is ensured.

The vibration transmission assembly 8 comprises a first reversing coupler 81 arranged on an output shaft of the cleaning motor 71, a second reversing coupler 82 connected with the output shaft of the first reversing coupler 81, a rotating rod 83 fixedly connected with the output shaft of the second reversing coupler 82, a pair of vibration transmission cams 84 fixedly arranged on the rotating rod 83 and positioned in the purifying box 1, a fixed seat 85 fixedly arranged at four corners in the purifying box 1, a movable rod 86 slidably arranged on the fixed seat 85, a connecting plate 87 connected between one ends of the two movable rods 86, a striking plate 88 connected with the other ends of the two movable rods 86, and a reset spring 89 sleeved on the movable rod 86, wherein the reset spring 89 is connected between the fixed seat 85 and the connecting plate 87, the striking plate 88 is positioned on one side of the filter screen 4, and the pair of connecting plates 87 are opposite to the pair of vibration transmission cams 84.

When the filter screen 4 is cleaned, the cleaning motor 71 drives the screw rod 72 to rotate through the first reversing coupler 81, the other output shaft of the first reversing coupler 81 drives the second reversing coupler 82 to work, the second reversing coupler 82 drives the rotating rod 83 to synchronously rotate, the vibration transmission cam 84 on the rotating rod 83 moves circularly, the vibration transmission cam 84 reciprocally extrudes the connecting plate 87, and due to the acting force of a plurality of reset springs on the movable rod 86, the impact plate 88 is driven to reciprocally impact the filter screen 4 through the connecting plate 87 and the movable rod 86, so that the filter screen 4 vibrates, impurities attached in meshes of the filter screen 4 can be vibrated down, and the cleaning effect on the filter screen 4 is improved.

Wherein, mounting groove 13 and opening 14 have been seted up respectively at the top of purifying box 1, and filter screen 4 passes through mounting groove 13 to be installed in the inside of purifying box 1, and active carbon places frame 5 and places in purifying box 1 through opening 14, and the top of purifying box 1 is equipped with the retaining member 11 that is used for compressing tightly fixed filter screen 4, and purifying box 1 top bolt fastening has the top cap 12 that is used for sealing opening 14.

Install filter screen 4 inside purifying box 1 through mounting groove 13 to through retaining member 11 locking is fixed, make filter screen 4 easy dismounting, the accessible is opened top cap 12 simultaneously and is placed frame 5 with whole active carbon and take out, the active carbon of being convenient for change.

The locking member 11 includes a pair of locking plates 111, fastening bolts 112 screwed on both sides of the locking plates 111, and a plurality of threaded sleeves 113 fixedly installed on the top of the purifying box 1 and matched with the fastening bolts 112.

After the filter screen 4 is installed, a pair of locking pressing plates 111 are placed on the top of the filter screen 4, then the fastening bolts 112 are screwed into the threaded sleeves 113 respectively, and the fastening bolts 112 are screwed down, so that the filter screen 4 can be pressed and fixed by the locking pressing plates 111, and the filter screen 4 is placed to shake.

The cleaning assembly 7 further comprises a guide rod 75 fixed inside the purifying box 1, and the movable mounting seat 73 is slidably sleeved on the guide rod 75.

When the cleaning motor 71 works to drive the cleaning brush 74 to move transversely, the movable mounting seat 73 slides on the guide rod 75, and the movable mounting seat 73 is guided by the guide rod 75, so that the stability of the transverse movement of the cleaning brush 74 is ensured.

Wherein, the inside both sides of purifying box 1 all are equipped with filter screen groove 9, filter screen 4 and filter screen groove 9 sliding connection.

After the filter screen 4 is installed into the purifying box 1 through the installation groove 13, the filter screen 4 is installed in the filter screen groove 9, and the filter screen groove 9 can limit the filter screen 4, so that the filter screen 4 is prevented from shifting and shaking after being installed.

Wherein, the top of the striking plate 88 is fixedly connected with the installation auxiliary plate 10, and the installation auxiliary plate 10 is obliquely arranged.

After the filter screen 4 is disassembled, the impact plate 88 is positioned at the left side of the mounting groove 13 due to the acting force of the return spring 89, and when the filter screen 4 is inserted into the mounting groove 13, the filter screen 4 acts on the pair of inclined mounting auxiliary plates 10, so that the whole impact plate 88 is extruded to be abducted, and smooth mounting of the filter screen 4 is ensured.

Working principle: when the exhaust gas purifying device is used, exhaust gas is introduced into the purifying box 1 through the air inlet 2, the exhaust gas acts on the fan 63 after passing through the filter screen 4 and rotates the fan 63, the fan 63 drives the rotating shaft 62 to synchronously rotate, the rotating speed sensor 64 records the rotating speed of the rotating shaft 62 in real time, when the filter screen 4 is blocked, the rotating speed of the rotating shaft 62 is reduced, when the rotating speed sensor 64 monitors that the rotating speed is smaller than a certain threshold value, the monitored filter screen 4 is blocked seriously, at the moment, the controller 15 controls the cleaning motor 71 to work, the cleaning motor 71 drives the screw rod 72 to positively and reversely rotate, so that the cleaning brush 74 reciprocates on the surface of the filter screen 4 to clean the filter screen 4, the cleaning motor 71 drives the screw rod 72 to rotate through the first reversing coupler 81 while the other output shaft of the first reversing coupler 81 drives the second reversing coupler 82 to work, the second reversing coupler 82 drives the rotating rod 83 to synchronously rotate, the vibration-transmitting cam 84 on the rotating rod 83 moves circularly, the vibration-transmitting cam 84 reciprocally extrudes the connecting plate 87, and due to the acting force of the plurality of return springs on the movable rod 86, the impact plate 88 is driven by the connecting plate 87 and the movable rod 86 to reciprocally impact the filter screen 4, so that the filter screen 4 vibrates, impurities attached to meshes of the filter screen 4 can be vibrated down, after the filter screen 4 is cleaned, if the rotation speed monitored by the rotation speed sensor 64 is recovered to be normal, the filter screen 4 can be normally used, if the rotation speed is still lower than a threshold value after cleaning, the filter screen 4 can be cleaned, the controller 15 transmits a signal to a worker at the moment, so that the worker can conveniently detach the filter screen 4 for cleaning, similarly, when the active carbon adsorbs more impurities, the second rotation speed sensor 64 monitors that the rotation speed is lower than a certain threshold value, the controller 15 transmits a signal to the worker at the moment, reminding the staff to replace the activated carbon.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an exhaust purification mechanism for chemical production, includes purifying box (1), one side of purifying box (1) is equipped with air inlet (2), the opposite side of purifying box (1) is equipped with gas outlet (3), filter screen (4) and active carbon are placed frame (5) to the inside of purifying box (1) is installed respectively, a serial communication port, the inside of purifying box (1) is equipped with two monitoring unit (6) that the structure is the same, one place monitoring unit (6) are located between filter screen (4) and active carbon placement frame (5), another place monitoring unit (6) are located active carbon placement frame (5) and keep away from one side of filter screen (4), the internally mounted of purifying box (1) has controller (15), one side of filter screen (4) is equipped with clearance subassembly (7) that are used for clearing up filter screen (4), the opposite side of filter screen (4) is equipped with and is used for making the shock transmission subassembly (8) of filter screen (4) vibrations, drive portion and monitoring unit (6) electric connection of clearance subassembly (15).

2. The exhaust gas purification mechanism for chemical production according to claim 1, wherein the monitoring unit (6) comprises a mounting plate (61) fixedly mounted in the purification box (1), a rotating shaft (62) rotatably connected to the middle part of the mounting plate (61), a rotating speed sensor (64) mounted on the side surface of the mounting plate (61) and connected with one end of the rotating shaft (62), and a fan (63) mounted on the other end of the rotating shaft (62), and the controller (15) is electrically connected with the rotating speed sensor (64).

3. The waste gas purifying mechanism for chemical production according to claim 1, wherein the cleaning assembly (7) comprises a screw rod (72) rotatably installed inside the purifying box (1), a cleaning motor (71) installed outside the purifying box (1) and used for driving the screw rod (72), a movable mounting seat (73) sleeved on the screw rod (72) in a threaded manner, and a cleaning brush (74) fixedly installed on the movable mounting seat (73), and the cleaning brush (74) slides and abuts against the side surface of the filter screen (4).

4. The waste gas purifying mechanism for chemical production according to claim 2, wherein the shock transmission component (8) comprises a first reversing coupler (81) arranged on an output shaft of the cleaning motor (71), a second reversing coupler (82) connected with the output shaft of the first reversing coupler (81), a rotating rod (83) fixedly connected with the output shaft of the second reversing coupler (82), a pair of shock transmission cams (84) fixedly arranged on the rotating rod (83) and positioned in the purifying box (1), a fixing seat (85) fixedly arranged at four corners in the purifying box (1), a movable rod (86) slidably arranged on the fixing seat (85), a connecting plate (87) connected between one ends of the two movable rods (86), a striking plate (88) connected with the other ends of the two movable rods (86) and a reset spring (89) sleeved on the movable rod (86), wherein the reset spring (89) is connected between the fixing seat (85) and the connecting plate (87), and the striking plate (88) is positioned on one side of the filter screen (4), and the pair of the connecting plates (87) are opposite to the shock transmission cams (84).

5. The waste gas purification mechanism for chemical production according to claim 4, wherein the top of the purification box (1) is provided with a mounting groove (13) and an opening (14) respectively, the filter screen (4) is mounted in the purification box (1) through the mounting groove (13), the activated carbon placement frame (5) is placed in the purification box (1) through the opening (14), the top of the purification box (1) is provided with a locking piece (11) for pressing and fixing the filter screen (4), and a top cover (12) for sealing the opening (14) is fixed on the top of the purification box (1) through bolts.

6. The exhaust gas purifying mechanism for chemical production according to claim 5, wherein the locking member (11) comprises a pair of locking press plates (111), fastening bolts (112) screwed on both sides of the locking press plates (111), and a plurality of threaded sleeves (113) fixedly installed on the top of the purifying box (1) and matched with the fastening bolts (112).

7. A chemical production waste gas purifying mechanism according to claim 3, wherein the cleaning assembly (7) further comprises a guide rod (75) fixed inside the purifying box (1), and the movable mounting seat (73) is slidably sleeved on the guide rod (75).

8. The waste gas purifying mechanism for chemical production according to claim 5, wherein the two sides of the interior of the purifying box (1) are provided with filter screen grooves (9), and the filter screen (4) is slidably connected with the filter screen grooves (9).

9. The exhaust gas purifying mechanism for chemical production according to claim 4, wherein the top parts of the impact plates (88) are fixedly connected with installation auxiliary plates (10), and the installation auxiliary plates (10) are obliquely arranged.