Multi-stage tail gas washing tower for red phosphorus production

By designing and improving the structure of the multi-stage exhaust gas scrubbing tower, the problem of inconvenient packing cleaning and replacement was solved, enabling convenient packing operation and improving equipment maintenance efficiency.

CN224100380UActive Publication Date: 2026-04-10MIANYANG MAOSEN CHEMICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MIANYANG MAOSEN CHEMICAL CO LTD
Filing Date
2025-04-30
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The cleaning or replacement of packing material in the tail gas scrubbing tower of existing red phosphorus production is inconvenient, especially the difficulty in removing the packing material, which affects the efficiency of equipment maintenance.

Method used

Design a multi-stage tail gas scrubbing tower for red phosphorus production. It adopts a structure including inlet and outlet, column, connecting plate, placement plate, tie assembly, sleeve block, sealing ring and locking assembly. The packing can be easily cleaned and replaced by rotating the placement plate and adjusting the position of the sealing ring.

Benefits of technology

It enables convenient cleaning and replacement of packing material, reduces operational complexity, and improves equipment maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multistage tail gas washing tower for red phosphorus production, which comprises a tower body, the bottom of the tower body is provided with a circulating water component, the tower body is provided with a plurality of inlets and outlets, the side surface of the tower body is fixedly connected with a stand column, the stand column is rotatably connected with a plurality of connecting plates, and the connecting plates are connected with a water inlet and a water outlet. The two ends of the connecting plate are fixedly connected with a first containing disc and a second containing disc correspondingly. The utility model has the advantages that the filler is placed on the first placing disc, the first placing disc is rotated to enter the tower body from the inlet / outlet, and the locking component is unlocked to adjust the positions of the plugging ring and the expansion ring, so that the inlet / outlet is plugged. The filler is matched with the structure in the tower body to purify tail gas. When the packing needs to be cleaned or replaced, the plugging ring and the expansion ring are moved upwards, new packing is placed on the other placing disc, and the placing disc is rotated to move out the packing in the tower body, so that the packing can be conveniently cleaned and replaced. And a worker does not need to carry out complex cleaning work, and use is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of red phosphorus production technology, especially a multistage tail gas washing tower for red phosphorus production. BACKGROUND

[0002] Red phosphorus is a kind of purple red amorphous powder chemical, has luster, non-toxic. Red phosphorus can be used for preparing semiconductor compounds and as semiconductor material dopant. It can be used for flame-retardant polyhydrocarbon, polystyrene, polyester, nylon, polycarbonate, polyformaldehyde, epoxy resin, unsaturated resin, rubber, textile and the like.

[0003] In the production activity of red phosphorus, certain tail gas will be produced. Tail gas is generally purified by washing tower before being discharged. In the prior art, packing is generally arranged in the washing tower to make the washing liquid fully contact with the tail gas. Crystals adhered to the packing are produced in the waste gas treatment process, so the packing needs to be cleaned or replaced frequently to prevent blockage. At present, the packing is taken out by using a shovel at the visible window of the packing tower, or even the body needs to be inserted into the washing tower to shovel, which is very inconvenient. Therefore, the multistage tail gas washing tower for red phosphorus production is proposed to make improvements. SUMMARY

[0004] The utility model aims at solving at least one of the technical defects.

[0005] Therefore, one purpose of the utility model is to provide a multistage tail gas washing tower for red phosphorus production to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a multistage tail gas washing tower for red phosphorus production, which comprises a tower body, a circulating water assembly is arranged at the bottom of the tower body, a plurality of inlets and outlets are formed in the tower body, a stand is fixedly connected to the side surface of the tower body, a plurality of connecting plates are rotatably connected to the stand, a first placing disc and a second placing disc are respectively fixedly connected to the two ends of the connecting plate, a tie-up assembly for increasing the stability of the tower body is arranged on the side of the tower body away from the stand, a sleeve block is sleeved on the stand, a blocking ring is fixedly connected to the side surface of the sleeve block and sleeved on the tower body, an expansion ring matched with the connecting plate is arranged on the bottom surface of the blocking ring, and a locking assembly for fixing the sleeve block on the stand is arranged on the sleeve block.

[0007] According to any one of the above-mentioned schemes, the circulating water assembly comprises a circulating water tank and a water pipe, and the stand is arranged above the circulating water tank.

[0008] The technical scheme is as follows: the tower body provides installation space and a platform for related purification components. According to the existing washing tower, the tower body should be provided with a filler layer, a spraying component, a demisting layer and other basic structures. The filler layer is formed by the first placement disc, the second placement disc and the fillers arranged on the two discs, and other components have the same structure as the existing washing tower. The circulating water component provides spraying water for the spraying component. The inlet and outlet are provided on the tower body to provide conditions for the inlet and outlet of the first placement disc and the second placement disc. The stand column provides an installation platform for the connecting plate and the sleeve block.

[0009] According to the preferred embodiment of any of the above schemes, the plurality of inlets and outlets are uniformly arranged along the height direction of the tower body, and the inlets and outlets have an arc structure.

[0010] The technical scheme is as follows: the plurality of inlets and outlets are uniformly arranged to provide conditions for the inlet and outlet of the plurality of uniformly arranged placement discs. The plurality of placement discs provide placement platforms for the plurality of fillers. The inlets and outlets have an arc structure, which meets the inlet and outlet requirements of the first placement disc and the second placement disc and leaves certain support for the tower body.

[0011] According to the preferred embodiment of any of the above schemes, the stand column is provided with a plurality of fixing grooves, and the first placement disc and the second placement disc are provided with through holes.

[0012] The technical scheme is as follows: the fixing grooves are provided on the stand column to facilitate the locking of the locking component. The connecting plate is rotationally connected to the stand column to facilitate the rotation of the first placement disc and the second placement disc. The first placement disc and the second placement disc can provide support for the fillers. The two discs are arranged on the two sides of the connecting plate, and the inlet and outlet of the two discs can be adjusted by rotation to facilitate the removal, replacement or cleaning of the fillers in the tower body that need to be cleaned.

[0013] According to the preferred embodiment of any of the above schemes, the tie component includes a tie frame and a counterweight arranged on the tie frame, and the tie component ties the tower body through a sleeve ring sleeved on the tower body.

[0014] The technical scheme is as follows: the tie component is used to tie the tower body to reinforce the weakening of the strength of the tower body caused by the inlet and outlet. Specifically, the tie frame assists in tying the tower body, and the counterweight on the tie frame increases the weight of the tie frame to overcome the gravity of the tower body.

[0015] According to the preferred embodiment of any of the above schemes, the sleeve block is sleeved on the fixing groove of the stand column, and the inner sides of the sealing ring and the expansion ring are provided with sealing pads.

[0016] The technical scheme is as follows: the sleeve block provides an installation platform for the blocking ring and can drive the blocking ring to vertically displace.

[0017] Preferably, according to any one of the above schemes, the locking assembly adopts a lock bolt which is threadedly connected with the sleeve block, and the lock bolt is fixed to the blocking ring by abutting against the fixing groove of the stand.

[0018] The technical scheme is as follows: the locking assembly is used for positioning the sleeve block and the blocking ring.

[0019] Compared with the prior art, the multi-stage tail gas washing tower for red phosphorus production has the following advantages and beneficial effects:

[0020] 1. The multi-stage tail gas washing tower for red phosphorus production is provided with an inlet and an outlet, a stand, a connecting plate, a first placing disc, a second placing disc, a connecting assembly, a sleeve block, a blocking ring, an expansion ring, and a locking assembly, and when in use, the filler is placed on the first placing disc, the first placing disc is rotated to make the filler enter the tower body from the inlet and the outlet, the locking assembly is unlocked to adjust the positions of the blocking ring and the expansion ring, and the inlet and the outlet are blocked.

[0021] 2. The multi-stage tail gas washing tower for red phosphorus production is provided with a plurality of inlets and outlets which are uniformly arranged, and the plurality of inlets and outlets provide conditions for the inlets and outlets of a plurality of uniformly arranged placing discs to enter the tower body.

[0022] Additional aspects and advantages of the present application will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0024] Figure 1 FIG. 1 is a first perspective view of a structure according to the present application;

[0025] Figure 2 The utility model discloses a Figure 1 Structure schematic diagram of A place in the middle;

[0026] Figure 3 Second visual angle structure schematic diagram of the utility model;

[0027] Figure 4 Structure schematic diagram of the utility model after hiding the blocking plate.

[0028] In the drawing: 1-tower body, 2-circulating water assembly, 3-inlet and outlet, 4-stand, 5-continuous board, 6-first placing disc, 7-second placing disc, 8-tethering assembly, 9-sleeve block, 10-blocking ring, 11-locking assembly, 12-expanding ring. DETAILED DESCRIPTION

[0029] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0030] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be broad understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0031] As Figures 1 to 4 The utility model discloses a, including tower body 1, the bottom of tower body 1 is provided with circulating water assembly 2, is set up with several inlets and outlets 3 on tower body 1, the side surface of tower body 1 is fixedly connected with stand 4, several continuous boards 5 are rotatably connected on stand 4, and the both ends of continuous board 5 are fixedly connected with first placing disc 6 and second placing disc 7 respectively, and the side of tower body 1 away from stand 4 is provided with the tethering assembly 8 of increasing the stability of tower body 1, the sleeve block 9 is sleeved on stand 4, and the side surface of sleeve block 9 is fixedly connected with the blocking ring 10 that is sleeved on tower body 1, the bottom surface of blocking ring 10 is provided with the expanding ring 12 of adapting continuous board 5, and the locking assembly 11 that can be fixed on stand 4 is arranged on sleeve block 9.

[0032] Embodiment 1: The circulating water assembly 2 comprises a circulating water tank and a water pipe, and the stand column 4 is arranged above the circulating water tank. The tower body 1 provides installation space and a platform for the related purification assembly. According to the existing washing tower, the tower body 1 should be provided with a basic structure such as a filler layer, a spraying assembly and a demisting layer. The filler layer is formed by the first placement disc 6, the second placement disc 7 and the fillers arranged on the two. Other assemblies adopt the same structure as the existing washing tower. The circulating water assembly 2 is used to provide spraying water for the spraying assembly. The inlet and outlet 3 is opened on the tower body 1 to provide conditions for the inlet and outlet of the first placement disc 6 and the second placement disc 7. The stand column 4 provides an installation platform for structures such as the connecting plate 5 and the sleeve block 9.

[0033] A plurality of inlets and outlets 3 are uniformly arranged along the height direction of the tower body 1, and the inlet and outlet 3 adopts an arc structure. A plurality of inlets and outlets 3 are uniformly arranged to provide conditions for the inlet and outlet of the plurality of uniformly arranged placement discs into the tower body 1. The plurality of placement discs provide a placement platform for the plurality of fillers. The inlet and outlet 3 adopts an arc structure, which not only meets the inlet and outlet requirements of the first placement disc 6 and the second placement disc 7, but also leaves a certain support for the tower body 1.

[0034] Embodiment 2: A plurality of fixing grooves are opened on the stand column 4, and a through hole is opened on the first placement disc 6 and the second placement disc 7. The fixing grooves are opened on the stand column 4 to facilitate the locking of the locking assembly 11. The connecting plate 5 is rotationally connected to the stand column 4, which facilitates the rotation of the first placement disc 6 and the second placement disc 7. The first placement disc 6 and the second placement disc 7 can provide support for the fillers. They are arranged on both sides of the connecting plate 5 and can be adjusted by rotation to enter and exit the tower body 1, which facilitates the removal, replacement or cleaning of the fillers in the tower body 1 that need to be cleaned.

[0035] The pulling assembly 8 comprises a pulling frame and a counterweight arranged on the pulling frame, and the pulling assembly 8 pulls the tower body 1 through the sleeve ring sleeved on the tower body 1. The pulling assembly 8 is used to pull the tower body 1 and reinforce the strength of the tower body 1 weakened due to the opening of the inlet and outlet 3. Specifically, the pulling frame assists in pulling the tower body 1, and the counterweight on the pulling frame increases the weight of the pulling frame to overcome the gravity of the tower body 1.

[0036] Embodiment 3: The sleeve block 9 is sleeved on the fixing groove of the stand column 4, and the inner sides of the sealing ring 10 and the expansion ring 12 are provided with sealing pads. The sleeve block 9 provides an installation platform for the sealing ring 10 and can drive it to vertically displace. The sealing ring 10 is used to seal the inlet and outlet 3, and the expansion ring 12 arranged at the bottom is used to avoid the sealing ring 10 to seal the part of the inlet and outlet 3 at the height of the connecting plate 5. The sealing pads arranged on the inner sides of the sealing ring 10 and the expansion ring 12 can improve the sealing performance.

[0037] The locking assembly 11 adopts a lock bolt which is screwed with the sleeve block 9, and the lock bolt fixes the blocking ring 10 by abutting against the fixing groove of the stand column 4.

[0038] The working principle of the utility model is as follows:

[0039] S1, the filler is placed on the first placing disc 6, the first placing disc 6 is rotated to make it enter the tower body 1 from the inlet and outlet 3, the locking assembly 11 is unlocked to adjust the position of the blocking ring 10 and the expansion ring 12, so that the inlet and outlet 3 are blocked.

[0040] S2, when the filler needs to be cleaned or replaced, the blocking ring 10 and the expansion ring 12 are moved upwards, the new filler is placed on another placing disc, and the placing disc is rotated to move the filler in the tower body 1 out, so that the filler can be conveniently cleaned and replaced.

[0041] Compared with the prior art, the utility model has the following beneficial effects:

[0042] 1. The multi-stage tail gas washing tower for red phosphorus production is provided with an inlet and outlet 3, a stand column 4, a connecting plate 5, a first placing disc 6, a second placing disc 7, a connecting assembly 8, a sleeve block 9, a blocking ring 10, an expansion ring 12 and a locking assembly 11, when in use, the filler is placed on the first placing disc 6, the first placing disc 6 is rotated to make it enter the tower body 1 from the inlet and outlet 3, the locking assembly 11 is unlocked to adjust the position of the blocking ring 10 and the expansion ring 12, so that the inlet and outlet 3 are blocked.

[0043] 2. The multi-stage tail gas washing tower for red phosphorus production is provided with a plurality of inlets and outlets 3 which are evenly arranged, providing conditions for a plurality of evenly arranged placing discs to enter and exit the tower body 1. The inlet and outlet 3 adopts an arc structure, which meets the requirements of the first placing disc 6 and the second placing disc 7 to enter and exit, and also leaves a certain support for the tower body 1. The connecting assembly 8 can connect the tower body 1, and reinforce the strength of the tower body 1 which is weakened due to the opening of the inlet and outlet 3.

Claims

1. A multi-stage tail gas washing tower for red phosphorus production, comprising a tower body, a circulating water assembly is arranged at the bottom of the tower body; characterized in that, The tower body is provided with a plurality of inlets and outlets, and a column is fixedly connected to the side of the tower body, a plurality of connecting plates are rotatably connected to the column, and a first placing disc and a second placing disc are fixedly connected to the two ends of each connecting plate respectively. A sleeve block is sleeved on the column, a sealing ring is fixedly connected to the side of the sleeve block and sleeved on the tower body, an expansion ring is arranged on the bottom surface of the sealing ring and matched with the connecting plate, and a locking assembly is arranged on the sleeve block and used for fixing the sleeve block on the column.

2. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 1, characterized in that: The circulating water assembly comprises a circulating water tank and a water pipe, and the column is arranged above the circulating water tank.

3. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 2, characterized in that: The plurality of inlets and outlets are arranged uniformly along the height direction of the tower body, and the inlets and outlets adopt an arc structure.

4. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 3, characterized in that: A plurality of fixing grooves are formed in the column, and through holes are formed in the first placing disc and the second placing disc.

5. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 4, characterized in that: The tie-up assembly comprises a tie-up frame and a counterweight arranged on the tie-up frame, and the tie-up assembly ties up the tower body through a sleeve ring sleeved on the tower body.

6. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 4, characterized in that: The sleeve block is sleeved on the fixing groove of the column, and sealing pads are arranged on the inner sides of the sealing ring and the expansion ring.

7. The multi-stage tail gas scrubbing tower for red phosphorus production according to claim 6, characterized in that: The locking assembly adopts a lock bolt in threaded connection with the sleeve block, and the lock bolt is fixed on the sealing ring by abutting against the fixing groove of the column.