CN219023747U

CN219023747U - Tail gas washing tower for compound fertilizer production

Info

Publication number: CN219023747U
Application number: CN202320192397.3U
Authority: CN
Inventors: 杨先进; 夏能文; 洪亚萍; 彭颖
Original assignee: Wuhan Lvyin Chemical Co ltd
Current assignee: Wuhan Lvyin Chemical Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-16
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a tail gas washing tower for compound fertilizer production, which comprises a washing tower shell and an air inlet pipe connected to the bottom end of the washing tower shell and communicated with the inside of the washing tower shell, wherein a fixed plate is fixed on the inner wall of the air inlet pipe, and the top of the fixed plate is connected with an end cap through a telescopic mechanism; the telescopic mechanism comprises a fixed cylinder, a movable cylinder, a spring, a sealing gasket and a bottom plate, wherein the fixed cylinder is fixed at the top end of the fixed plate. This tail gas scrubbing tower is used in compound fertilizer production through setting up fixed plate, telescopic machanism and end cap combination use, when tail gas concentration is higher, can descend the end cap to make the open area reduce, and then reduce tail gas emission rate, make high concentration's tail gas can obtain comprehensive washing purification, when tail gas concentration is lower, can rise the end cap, and make the open area increase, the exhaust emission rate has been accelerated, make low concentration's tail gas can discharge fast, the washing efficiency of tail gas has been accelerated, the application range of equipment has been promoted.

Description

Tail gas washing tower for compound fertilizer production

Technical Field

The utility model relates to the technical field of tail gas washing towers, in particular to a tail gas washing tower for compound fertilizer production.

Background

The compound fertilizer is a fertilizer containing two or more than two nutrient elements in nitrogen, phosphorus and potassium, has the advantages of high nutrient content, few minor ingredients, good physical properties and the like, plays an important role in balancing fertilization, improving the fertilizer utilization rate and promoting the high and stable yield of crops, and generally needs to use a tail gas washing tower to wash and purify the tail gas generated by production in the production process of the compound fertilizer so as to reach the emission standard.

For example, chinese patent, publication No.: CN206566658U, in particular to a tail gas washing tower for producing urea formaldehyde slow release compound fertilizer. Including the casing, set up at the intake pipe of casing lower extreme, set up at the casing upper end blast pipe, intake pipe and blast pipe all communicate the inner chamber of casing, be equipped with the draught fan of outwards airing exhaust from the inner chamber of casing in the blast pipe, the inner chamber of casing has the spraying assembly that sprays the detergent and the dispersion assembly of dispersion tail gas air current, spraying assembly and dispersion assembly form twice water seal.

The exhaust gas washing tower has the advantages that the end cap is arranged at the top of the air inlet pipe, so that the problem of washing liquid leakage is not easy to cause while air inlet is achieved, however, the end cap is generally arranged to be fixed, and therefore the opening size at the bottom of the end cap is inconvenient to adjust in the use process, the air inlet rate of equipment is not easy to change, and when the concentration of high exhaust gas is discharged, if the air inlet rate is faster, the exhaust gas washing is not comprehensive enough, and the application range of the equipment is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the tail gas washing tower for compound fertilizer production, when the concentration of the tail gas is higher, the end cap can be lowered, the opening area is reduced, the tail gas emission rate is further reduced, the high-concentration tail gas can be comprehensively washed and purified, when the concentration of the tail gas is lower, the end cap can be raised, the opening area is increased, the tail gas emission rate is accelerated, the low-concentration tail gas can be rapidly discharged, the washing efficiency of the tail gas is accelerated, the application range of equipment is improved, and the like, and the problems raised by the background technology are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tail gas washing tower for compound fertilizer production comprises a washing tower shell and an air inlet pipe connected to the bottom end of the washing tower shell and communicated with the inside of the washing tower shell, wherein a fixed plate is fixed on the inner wall of the air inlet pipe, and the top of the fixed plate is connected with an end cap through a telescopic mechanism;

the telescopic mechanism comprises a fixed cylinder, a movable cylinder, a spring, a sealing gasket and a bottom plate, wherein the fixed cylinder is fixed at the top end of the fixed plate, the movable cylinder inserted into the fixed cylinder is fixed at the bottom end of the end cap, one end of the spring is connected to the inner wall of the end cap, the other end of the spring is connected to the top of the fixed cylinder, the sealing gasket corresponding to the inner wall of the end cap is fixed on the outer wall of the top end of the air inlet pipe, and the bottom plate is fixed at one end of the movable cylinder inserted into the fixed cylinder.

Preferably, the second motor is installed to the intake pipe outer wall, second motor output is connected with the pivot that is located the fixed cylinder inside, the one end that the second motor was kept away from to the pivot is fixed with the conflict piece that laminates mutually with the bottom plate.

Preferably, the inside sliding connection of scrubbing tower casing has the movable block, two groups of shower nozzles are installed to the movable block bottom, and two groups the shower nozzle passes through PVC union coupling, the pump body is installed to the scrubbing tower casing outer wall, the pump body input is connected in the scrubbing tower casing inside, the output passes through flexible pipe connection in PVC pipe intermediate position.

Preferably, a guide hole is formed in the moving block, and a guide rod penetrating through the guide hole is fixed on the inner wall of the shell of the washing tower.

Preferably, a first motor is installed on the outer wall of the washing tower shell, the output end of the first motor is connected with a screw rod which is rotationally connected with the inner wall of the washing tower shell, and the screw rod is in threaded connection with the moving block.

Preferably, the end cap is in a truncated cone shape, and the bottom end of the end cap is provided with an opening corresponding to the air inlet pipe.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up fixed plate, telescopic machanism and end cap combination use, can drive pivot and conflict piece rotation through opening the second motor, the conflict piece can promote the end cap and do vertical reciprocating motion, when tail gas concentration is higher, can descend the end cap to make the opening area reduce, and then reduce tail gas emission rate, make high concentration's tail gas can obtain comprehensive washing purification, when tail gas concentration is lower, can rise the end cap, and make the opening area increase, the tail gas emission rate has been accelerated, make low concentration's tail gas can discharge fast, the washing efficiency of tail gas has been accelerated, the application range of equipment has been promoted.

2. Through setting up guide hole, guide arm, first motor, lead screw and movable block combination and use, open first motor and enable the lead screw rotation to drive movable block and two shower nozzles and do horizontal reciprocating motion under the effect of screw thread, thereby carry out comprehensive spraying with the washing liquid, reach the effect that accelerates tail gas and washing liquid and fuse, further increase the availability factor of equipment.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a scrubber housing according to the present utility model;

FIG. 3 is a schematic cross-sectional view of an air inlet pipe according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a scrubber housing; 2. an air inlet pipe; 311. a pump body; 312. a telescopic tube; 313. a PVC pipe; 314. a moving block; 315. a spray head; 316. a guide hole; 317. a guide rod; 318. a first motor; 319. a screw rod; 411. a fixing plate; 412. an end cap; 413. a fixed cylinder; 414. a movable cylinder; 415. a spring; 416. a sealing gasket; 417. a bottom plate; 418. a second motor; 419. a rotating shaft; 420. and (5) abutting the block.

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.

Examples

Referring to fig. 1-4, a tail gas washing tower for compound fertilizer production comprises a washing tower shell 1 and an air inlet pipe 2 connected to the bottom end of the washing tower shell 1 and communicated with the inside of the washing tower shell 1, wherein a fixing plate 411 is fixed on the inner wall of the air inlet pipe 2, and the top of the fixing plate 411 is connected with an end cap 412 through a telescopic mechanism.

The telescopic mechanism comprises a fixed cylinder 413, a movable cylinder 414, a spring 415, a sealing gasket 416 and a bottom plate 417, the fixed cylinder 413 is fixed at the top end of the fixed plate 411, the movable cylinder 414 inserted into the fixed cylinder 413 is fixed at the bottom end of the end cap 412, the end cap 412 is in a round table shape, an opening corresponding to the air inlet pipe 2 is formed at the bottom end of the end cap 412, when the end cap 412 moves upwards, the opening area is increased, the tail gas is convenient to enter the washing tower shell 1, the tail gas with lower concentration is discharged rapidly, and the washing efficiency of equipment is accelerated; and when the end cap 412 moves downwards, the opening area is smaller, so that the exhaust efficiency of the tail gas can be reduced, the tail gas with higher concentration can be conveniently and slowly purified, and the washing effect of the equipment is enhanced. One end of the spring 415 is connected to the inner wall of the end cap 412, the other end of the spring 415 is connected to the top of the fixed cylinder 413, a sealing pad 416 corresponding to the inner wall of the end cap 412 is fixed to the outer wall of the top end of the air inlet pipe 2, the sealing pad 416 can be made of rubber, and when the end cap 412 does not apply force, the end cap 412 can be pressed down under the elastic action of the spring 415 and attached to the sealing pad 416, so that a sealing effect is achieved. The movable cylinder 414 inserts the inside one end of fixed cylinder 413 and is fixed with the bottom plate 417, the second motor 418 is installed to intake pipe 2 outer wall, second motor 418 output is connected with the pivot 419 that is located the inside of fixed cylinder 413, the one end that second motor 418 was kept away from to the pivot 419 is fixed with the conflict piece 420 that laminates with the bottom plate 417, can drive pivot 419 and conflict piece 420 rotation after opening second motor 418, as shown in fig. 4, conflict piece 420 conflict bottom plate 417 and promotion end cap 412 is located the highest department this moment, and when second motor 418 drive conflict piece 420 continues rotatory, movable cylinder 414 and end cap 412 can push down under the elastic action of spring 415 automatically, realize the regulation purpose.

The inside sliding connection of washing tower casing 1 has movable block 314, and two sets of shower nozzles 315 are installed to movable block 314 bottom, and two sets of shower nozzles 315 pass through PVC pipe 313 and connect, and the pump body 311 is installed to washing tower casing 1 outer wall, and pump body 311 input is connected in washing tower casing 1 inside, the output is connected in PVC pipe 313 intermediate position through flexible pipe 312, and the pump body 311 can carry the washing liquid that is located inside washing tower casing 1 through flexible pipe 312 and PVC pipe 313, and flexible pipe 312 can stretch out and draw back to can not receive the influence when guaranteeing that movable block 314 removes. The guide hole 316 is formed in the moving block 314, the guide rod 317 penetrating the guide hole 316 is fixed on the inner wall of the washing tower shell 1, and the guide hole 316 and the guide rod 317 are arranged to ensure that the moving block 314 moves stably enough. The outer wall of the washing tower shell 1 is provided with a first motor 318, the output end of the first motor 318 is connected with a screw rod 319 which is rotationally connected with the inner wall of the washing tower shell 1, the screw rod 319 is in threaded connection with the moving block 314, the screw rod 319 can be driven to rotate by opening the first motor 318, the moving block 314 is driven to transversely reciprocate under the action of threads, the automatic regulation purpose is achieved, the spraying range of washing liquid is enhanced, and further the tail gas can be comprehensively purified.

Working principle: when the device is needed to be used, if the concentration of the tail gas is high, a worker can start the second motor 418 to drive the rotating shaft 419 and the abutting block 420 to rotate, at the moment, the bottom plate 417 moves downwards along the outer wall of the abutting block 420 under the elastic action of the spring 415 and drives the movable cylinder 414 and the end cap 412 to move downwards, so that the area of an opening at the bottom of the end cap 412 is reduced, the tail gas with high concentration is ensured to be slowly discharged and comprehensively contacted with the washing liquid to realize the purifying effect;

if the concentration of the tail gas is lower, the second motor 418 is opened to drive the rotating shaft 419 and the abutting block 420 to rotate in the same way, so that the abutting block 420 can abut against the bottom plate 417, the movable cylinder 414 and the end cap 412 to move upwards to the highest point, the opening at the bottom of the end cap 412 is maximized, and the tail gas with lower concentration can be quickly discharged into the inside of the washing tower shell 1 through the opening for washing and purifying, so that the washing efficiency of the tail gas can be improved.

When washing is needed, the pump body 311 is opened to suck the washing liquid in the washing tower shell 1 and spray the washing liquid downwards through the telescopic pipe 312, the PVC pipe 313 and the two spray heads 315, the screw rod 319 can be driven to rotate by opening the first motor 318, and the moving block 314 and the two spray heads 315 can be driven to transversely move under the action of threads, so that the tail gas in the washing tower shell 1 is comprehensively washed and purified.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tail gas scrubbing tower for compound fertilizer production, includes scrubbing tower casing (1) and connects in scrubbing tower casing (1) bottom and be linked together with inside intake pipe (2) of scrubbing tower casing (1), its characterized in that: a fixed plate (411) is fixed on the inner wall of the air inlet pipe (2), and the top of the fixed plate (411) is connected with an end cap (412) through a telescopic mechanism;

the telescopic machanism includes fixed section of thick bamboo (413), movable section of thick bamboo (414), spring (415), sealed pad (416) and bottom plate (417), fixed section of thick bamboo (413) are fixed in fixed plate (411) top, end cap (412) bottom mounting has the inside movable section of thick bamboo (414) of inserting fixed section of thick bamboo (413), spring (415) one end is connected in end cap (412) inner wall, the other end is connected in fixed section of thick bamboo (413) top, intake pipe (2) top outer wall is fixed with sealed pad (416) corresponding with end cap (412) inner wall, the one end that fixed section of thick bamboo (413) inside was inserted to movable section of thick bamboo (414) is fixed with bottom plate (417).

2. The tail gas scrubber for compound fertilizer production of claim 1, wherein: the second motor (418) is installed to intake pipe (2) outer wall, second motor (418) output is connected with and is located fixed inside pivot (419) of section of thick bamboo (413), the one end that second motor (418) were kept away from to pivot (419) is fixed with conflict piece (420) that laminate with bottom plate (417).

3. The tail gas scrubber for compound fertilizer production of claim 1, wherein: the inside sliding connection of washing tower casing (1) has movable block (314), two groups shower nozzle (315) are installed to movable block (314) bottom, two groups shower nozzle (315) are connected through PVC pipe (313), pump body (311) are installed to washing tower casing (1) outer wall, pump body (311) input is connected in inside washing tower casing (1), and the output is connected in PVC pipe (313) intermediate position through flexible pipe (312).

4. A tail gas scrubber for compound fertilizer production as set forth in claim 3, wherein: guide holes (316) are formed in the moving blocks (314), and guide rods (317) penetrating through the guide holes (316) are fixed on the inner wall of the washing tower shell (1).

5. The tail gas scrubber for producing compound fertilizer according to claim 4, wherein: the washing tower is characterized in that a first motor (318) is mounted on the outer wall of the washing tower shell (1), a screw rod (319) rotationally connected with the inner wall of the washing tower shell (1) is connected to the output end of the first motor (318), and the screw rod (319) is in threaded connection with the moving block (314).

6. The tail gas scrubber for compound fertilizer production of claim 1, wherein: the end cap (412) is in a truncated cone shape, and an opening corresponding to the air inlet pipe (2) is formed in the bottom end of the end cap (412).