CN216303276U

CN216303276U - Air inlet device for nitric acid absorption tower

Info

Publication number: CN216303276U
Application number: CN202122606864.6U
Authority: CN
Inventors: 曹东方; 唐威; 高存生
Original assignee: Shandong Huakaite Chemical Technology Equipment Co ltd
Current assignee: Shandong Huakaite Chemical Technology Equipment Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-15
Anticipated expiration: 2031-10-28

Abstract

The utility model belongs to the technical field of air inlet devices, and discloses an air inlet device for a nitric acid absorption tower. The utility model discloses a, the clean efficiency of current artifical clear mode improvement device has been replaced, improve the practicality of device, and two pistons can be in turn the work of breathing in, and then let the device can continuously work of breathing in, the breathing pipe can be with hanging the dust that falls to inhale inside the clean box, and then play the purpose of collecting the dust, avoid the dust directly to fall to ground, the inside condition of device is inhaled once more, and the suction of breathing pipe can breathe in the filter, inspiratory in-process plays the clear purpose of filter, and then improve clean effect.

Description

Air inlet device for nitric acid absorption tower

Technical Field

The utility model relates to the technical field of air inlet devices, in particular to an air inlet device for a nitric acid absorption tower.

Background

At present, the nitric acid absorption tower need align at the during operation and carry oxygen, and current air inlet unit can not filter the dust in the gas, and the ash bed enters into the inside effect that can influence work behind the nitric acid absorption tower to ordinary filtration does not possess the clearance structure, needs artifical manual clearance, and the clearance is got up very trouble.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model aims to provide an air inlet device for a nitric acid absorption tower.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a nitric acid is air inlet unit for absorption tower, includes the box of admitting air, the inner wall fixedly connected with diaphragm of the box of admitting air, it is equipped with two fans to inlay on the diaphragm, the grafting of the box of admitting air has two filters, the bottom of the box of admitting air is provided with the getter device, be provided with cleaning device on the getter device.

As a further description of the above technical solution:

the air suction device comprises two air suction boxes, wherein one side of each air suction box, which is opposite to the air suction box, is fixedly connected with the air inlet box, and is left, a motor is fixedly connected with the left side of each air suction box, a lead screw is fixedly connected with an output shaft of the motor, the right end of the lead screw sequentially penetrates through the air suction boxes on the left side, the air inlet box and the right side and is rotatably connected with the air suction boxes on the right side, two pistons which are in threaded connection with the lead screw are sleeved on the lead screw, the outer sides of the pistons are respectively in sliding connection with the two air suction boxes, the tops of the air suction boxes are communicated with two guide pipes, one check valves I and two check valves II are installed on the two guide pipes close to one sides of the two pistons, the bottoms of the air suction boxes are communicated with two air suction pipes, the other ends of the air suction pipes are communicated with a cleaning device, and the air suction pipes are provided with two check valves II.

As a further description of the above technical solution:

cleaning device includes the threaded rod, the both ends of threaded rod are rotated with two boxes of breathing in respectively and are connected, the left end of threaded rod passes through gear and lead screw and meshes mutually, the cover is equipped with the movable block rather than threaded connection on the threaded rod, the front of movable block and the clean box of the equal fixedly connected with in the back, four the one end of breathing pipe is linked together with two clean boxes respectively, two all be provided with clean board, two on the clean box the top of clean board all contacts with the box that admits air, two it has the filter frame all to peg graft in one side of clean box.

As a further description of the above technical solution:

the screw rod is sleeved with an eccentric wheel fixedly connected with the screw rod, a contact plate is fixedly connected between the two filter plates, the bottom of the cleaning plate is fixedly connected with two springs, and the other ends of the two springs are fixedly connected with the cleaning box.

As a further description of the above technical solution:

the front of the air inlet box is fixedly provided with a control panel, and the output end of the control panel is in signal connection with the motor.

Compared with the prior art, the utility model has the advantages that:

the utility model discloses a can clean the filter through starter motor, the clean efficiency of current artifical clear mode improvement device has been replaced, the practicality of high-speed device, and two pistons can be in turn the work of breathing in, and then let the device can continuously the work of breathing in, the breathing pipe can inhale inside the clean box with the dust of hanging down, and then play the purpose of collecting the dust, avoid the dust directly to fall to ground, the condition of device inside is inhaled once more, the practicality of high-speed device, and the suction of breathing pipe can be breathed in the filter, the inspiratory in-process plays the purpose of cleaning the filter, and then improve clean effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a subjective chart of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

fig. 4 is a subjective view of the cartridge of the present invention.

The reference numbers in the figures illustrate:

1. an air intake box; 2. a transverse plate; 3. a fan; 4. a filter plate; 5. a suction device; 501. an air suction box; 502. a motor; 503. a screw rod; 504. a piston; 505. a one-way valve I; 506. an air intake duct; 507. a second one-way valve; 6. a cleaning device; 601. a threaded rod; 602. a moving block; 603. a cleaning box; 604. cleaning the plate; 605. a filter frame; 7. an eccentric wheel; 8. a contact plate; 9. a spring; 10. a control panel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;

referring to fig. 1-4, in the present invention: the utility model provides a nitric acid is air inlet unit for absorption tower, includes into air box 1, the inner wall fixedly connected with diaphragm 2 of air box 1, inlays on diaphragm 2 and is equipped with two fans 3, and the grafting of air box 1 has two filters 4, and the bottom of air box 1 is provided with getter device 5, is provided with cleaning device 6 on the getter device 5.

In the utility model, when the device is used, firstly, the air inlet box 1 is connected with nitric acid absorption tower equipment, then two fans 3 are started, oxygen is sucked into the air inlet box 1 after the two fans 3 are started, the oxygen is input into the nitric acid absorption tower through the air inlet box 1, then air inlet to the nitric acid absorption tower is completed, when the oxygen enters into the air inlet box 1, the filter plate 4 filters dust in the sucked oxygen, and further the dust is prevented from entering into the nitric acid absorption tower to influence the working effect, after the device is used for a long time, a large amount of dust is attached to the outer side of the filter plate 4, the dust influences the efficiency of the oxygen entering into the air inlet box 1, and further the condition of insufficient oxygen supply is caused, at the moment, the air suction device 5 is started, the air suction device 5 drives the cleaning device 6 to slide along the bottom of the air inlet box 1, and the cleaning device 6 scrapes off the dust attached to the bottom of the filter plate 4 in the sliding process, and then play the purpose of deashing, meanwhile, getter device 5 can be breathed in to filter 4 through cleaning device 6, and the in-process of breathing in plays the purpose of cleaning filter 4 to can collect the dust of scraping, and then the person of facilitating the use collects, and in-process convenient and fast improves clear efficiency, guarantees the oxygen suppliment effect to the nitric acid absorption tower.

Please refer to fig. 1-3, wherein: the air suction device 5 comprises two air suction boxes 501, one opposite side of each air suction box 501 is fixedly connected with the air inlet box 1, the left side of the left air suction box 501 is fixedly connected with a motor 502, an output shaft of the motor 502 is fixedly connected with a screw rod 503, the right end of the screw rod 503 sequentially penetrates through the left air suction box 501, air intake box 1 and the box 501 of breathing in on right side and with the box 501 rotation of breathing in on right side be connected, the cover is equipped with two pistons 504 rather than threaded connection on the lead screw 503, the outside of two pistons 504 respectively with two box 501 sliding connection of breathing in, two box 501's of breathing in top all communicates there are two pipes, all install check valve 505 on two pipes that are close to two piston 504 one sides, two box 501's of breathing in bottom all communicates there are two breathing pipes 506, the other end of four breathing pipes 506 all is linked together with cleaning device 6, all install check valve two 507 on four breathing pipes 506.

In the utility model, when in use, firstly the motor 502 is started, the motor 502 drives the screw rod 503 to rotate after being started, the screw rod 503 drives the cleaning device 6 to slide along the bottom of the air intake box 1 after rotating, the cleaning device 6 scrapes off dust attached to the bottom of the filter plate 4 during sliding, so as to achieve the purpose of dust cleaning, meanwhile, the screw rod 503 drives the two pistons 504 to slide rightwards in the corresponding air intake box 501, the left piston 504 discharges air in the air intake box 1 through the ducts on the upper right side during sliding, negative pressure is formed on the left side of the left piston 504, the arrangement of the one-way valve I505 prevents outside air from entering the air intake box 501, at the moment, due to the action of the negative pressure, the two air intake ducts on the left side 506 can perform air intake work on the cleaning device 6, and at the same time, the right piston 504 moves rightwards, because setting up of two check valves 507 the air can only enter into the box 501 of breathing in from breathing in pipe 506 inside, can not enter into breathing in pipe 506 inside by the box 501 of breathing in, so the inside air of box 501 of breathing in correspondingly can be through the pipe discharge on its right side, move the right side of box 501 of breathing in until piston 504, reverse starter motor 502 this moment, piston 504 on right side can be with the inside negative pressure that forms of box 501 of breathing in on right side, the work of breathing in, two pistons 504 can be in turn the work of breathing in, and then let the device can continuously work of breathing in, the in-process can breathe in to filter 4, the inspiratory in-process plays the clear purpose of filter 4, and can collect the dust that scrapes, and then the person of facilitating the use collects, in-process convenient and fast, the efficiency of cleaning is improved, guarantee the oxygen suppliment effect to the nitric acid absorption tower.

Please refer to fig. 1-4, wherein: cleaning device 6 includes threaded rod 601, the both ends of threaded rod 601 rotate with two box 501 of breathing in respectively and are connected, the left end of threaded rod 601 passes through gear and lead screw 503 and meshes mutually, the cover is equipped with the movable block 602 rather than threaded connection on the threaded rod 601, the front and the equal clean box 603 of fixedly connected with in the back of movable block 602, the one end of four breathing pipe 506 is linked together with two clean boxes 603 respectively, all be provided with cleaning plate 604 on two clean boxes 603, the top of two cleaning plate 604 all contacts with box 1 that admits air, filter frame 605 has all been pegged graft to one side of two clean boxes 603.

In the utility model, the threaded rod 601 is driven to rotate through the gear after the lead screw 503 rotates, the threaded rod 601 drives the moving block 602 to slide along the bottom of the air inlet box 1 after rotating, the moving block 602 then drives the two cleaning plates 604 to slide along the bottoms of the filter plates 4 through the cleaning boxes 603, so that dust at the bottoms of the filter plates 4 is scraped, and the purpose of cleaning the filter plates 4 is further achieved, and in the process, the air suction pipe 506 can suck the hung dust into the cleaning boxes 603, so that the purpose of collecting the dust is achieved, the dust is prevented from directly falling to the ground and is prevented from being sucked into the device again, the practicability of the device is improved, the suction force of the air suction pipe 506 can suck the filter plates 4, the purpose of cleaning the filter plates 4 is achieved in the air suction process, and the cleaning effect is further improved.

Please refer to fig. 3 and 4, wherein: the screw 503 is sleeved with an eccentric wheel 7 fixedly connected with the screw, a contact plate 8 is fixedly connected between the two filter plates 4, the bottom of the cleaning plate 604 is fixedly connected with two springs 9, and the other ends of the two springs 9 are fixedly connected with a cleaning box 603.

In the utility model, the cleaning plate 604 can be pushed to cling to the filter plate 4 through the arrangement of the spring 9, and then improve the effect of cleaning filter 4, and can drive eccentric wheel 7 rotatory at the rotatory in-process of lead screw 503, eccentric wheel 7 can extrude contact plate 8 after rotatory, contact plate 8 can drive two filter 4 and stretch out into gas box 1 after receiving the extrusion, filter 4 can extrude cleaning plate 604 next, cleaning plate 604 can compress spring 9 next, until eccentric wheel 7 rotates to certain angle, eccentric wheel 7 can suspend the extrusion to filter 4 at this moment, the elasticity of spring 9 can be released in the twinkling of an eye, spring 9 can promote filter 4 to reset, filter 4 can strike into gas box 1 in the in-process that resets, therefore filter 4 can produce the vibration, and then shake off the attached dust, and then play the purpose to filter 4 clearance, improve the effect of device to filter 4 clearance.

Please refer to fig. 1 and 2, wherein: the front of the air inlet box 1 is fixedly provided with a control panel 10, and the output end of the control panel 10 is in signal connection with the motor 502.

In the utility model, the control panel 10 fixedly arranged on the front surface of the air inlet box 1 can facilitate a user to control the motor 502, thereby improving the practicability of the device.

The working principle is as follows: when the device is used, firstly, the air inlet box 1 is connected with nitric acid absorption tower equipment, then two fans 3 are started, oxygen can be sucked into the air inlet box 1 after the two fans 3 are started, the oxygen is input into the nitric acid absorption tower through the air inlet box 1, then air inlet to the nitric acid absorption tower is completed, and when the oxygen enters into the air inlet box 1, the filter plate 4 can filter dust in the sucked oxygen, so that the dust is prevented from entering into the nitric acid absorption tower to influence the working effect, after the device is used for a long time, a large amount of dust can be attached to the outer side of the filter plate 4, the dust can influence the efficiency of oxygen entering into the air inlet box 1, and further the condition of insufficient oxygen supply is caused, at this time, the motor 502 is started firstly, the lead screw 503 can be driven to rotate after the motor 502 is started, the lead screw 503 can drive the threaded rod 601 to rotate through the gear, the threaded rod 601 can drive the moving block 602 to slide along the bottom of the air inlet box 1 after the threaded rod 601 rotates, the air suction pipe 506 is a flexible pipe, the moving block 602 drives the two cleaning plates 604 to slide along the bottom of the filter plate 4 through the cleaning box 603, so as to scrape off dust at the bottom of the filter plate 4, and further achieve the purpose of cleaning the filter plate 4, meanwhile, the lead screw 503 can drive the two pistons 504 to slide rightwards in the corresponding air suction box 501, the left piston 504 discharges air in the air suction box 1 through the guide pipe at the upper right side thereof in the sliding process, negative pressure can be formed at the left side of the left piston 504, the arrangement of the one-way valve one 505 prevents outside air from entering the air suction box 501, at this time, due to the action of the negative pressure, the two air suction pipes 506 at the left side can suck air into the cleaning device 6, and meanwhile, in the process that the right piston 504 moves rightwards, air can only enter the air suction box 501 from the air suction pipe 506 due to the arrangement of the two-way valves 507, inside can not entering into breathing pipe 506 by breathing in the box 501, so the inside air of box 501 that breathes in of correspondence can be through the pipe discharge on its right side, move the right side of box 501 that breathes in up to piston 504, reverse starter motor 502 this moment, the piston 504 on right side can be with the inside negative pressure that forms of box 501 that breathes in on right side, the work of breathing in, two pistons 504 can be in turn the work of breathing in, and then let the device can continuously carry out the work of breathing in, breathing pipe 506 can be with hanging the dust of falling inside sucking the clean box 603, and then play the purpose of collecting the dust, avoid the dust directly to fall to ground, the condition inside the device is inhaled once more, the practicality of the high-speed device, and the suction of breathing pipe 506 can be breathed in to filter 4, the in-process of breathing in plays the clear purpose of filter 4, and then improve clean effect.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a nitric acid is air inlet unit for absorption tower, includes air inlet box (1), its characterized in that: the inner wall fixedly connected with diaphragm (2) of box (1) admits air, it is equipped with two fan (3) to inlay on diaphragm (2), the grafting of box (1) admits air has two filter (4), the bottom of box (1) admits air is provided with getter device (5), be provided with cleaning device (6) on getter device (5).

2. The gas inlet apparatus for a nitric acid absorption tower according to claim 1, wherein: the air suction device (5) comprises two air suction boxes (501), one opposite side of each air suction box (501) is fixedly connected with the air suction box (1), the left side of each air suction box (501) is fixedly connected with a motor (502), an output shaft of each motor (502) is fixedly connected with a lead screw (503), the right end of each lead screw (503) sequentially penetrates through the air suction boxes (501) on the left side, the air suction boxes (1) on the right side and the air suction boxes (501) on the right side and is rotatably connected with the air suction boxes (501) on the right side, two pistons (504) in threaded connection are sleeved on the lead screw (503), the outer sides of the two pistons (504) are respectively in sliding connection with the two air suction boxes (501), the tops of the two air suction boxes (501) are respectively communicated with two guide pipes, and one-way valves I (505) are arranged on the two guide pipes close to one sides of the two pistons (504), the bottom of the two air suction boxes (501) is communicated with two air suction pipes (506), the other ends of the four air suction pipes (506) are communicated with a cleaning device (6), and the four air suction pipes (506) are provided with check valves II (507).

3. The gas inlet apparatus for a nitric acid absorption tower according to claim 2, wherein: cleaning device (6) include threaded rod (601), the both ends of threaded rod (601) are rotated with two box (501) of breathing in respectively and are connected, the left end of threaded rod (601) passes through gear and lead screw (503) and meshes mutually, the cover is equipped with movable block (602) rather than threaded connection on threaded rod (601), the front and the equal fixedly connected with in the back of movable block (602) clean box (603), four the one end of breathing pipe (506) is linked together with two clean box (603) respectively, two all be provided with clean board (604) on clean box (603), two the top of clean board (604) all contacts with box (1) of admitting air, two filter frame (605) have all been pegged graft to one side of clean box (603).

4. The gas inlet apparatus for a nitric acid absorption tower according to claim 3, wherein: the screw rod (503) is sleeved with an eccentric wheel (7) fixedly connected with the screw rod, two contact plates (8) are fixedly connected between the filter plates (4), two springs (9) are fixedly connected to the bottom of the cleaning plate (604), and the other ends of the springs (9) are fixedly connected with a cleaning box (603).

5. The gas inlet apparatus for a nitric acid absorption tower according to claim 2, wherein: the front of the air inlet box (1) is fixedly provided with a control panel (10), and the output end of the control panel (10) is in signal connection with a motor (502).