CN222653672U

CN222653672U - A radioactive waste liquid recoil slag removal structure

Info

Publication number: CN222653672U
Application number: CN202420746778.6U
Authority: CN
Inventors: 邹鹏才; 徐霞泽; 莫诺兰; 徐金则; 任俊杰; 厉小燕
Original assignee: Tianyi Ruibang Environmental Engineering Co ltd
Current assignee: Tianyi Ruibang Environmental Engineering Co ltd
Priority date: 2024-04-11
Filing date: 2024-04-11
Publication date: 2025-03-21
Anticipated expiration: 2034-04-11

Abstract

The utility model relates to the technical field of radioactive waste liquid treatment equipment and discloses a radioactive waste liquid backflushing and deslagging structure which comprises a barrel, wherein a filter cartridge for filtering radioactive waste liquid is arranged in the barrel, a liquid inlet pipe and a liquid outlet pipe are arranged on one side of the barrel, when the filter cartridge is backflushed and deslagged, a backflushing assembly is opened to enable water to flush the barrel to backflush and flow the filter cartridge, the driving assembly can drive the scraping assembly to work after the backflushing assembly is opened to rotationally scrape the inner wall of the filter cartridge, residues attached to the inner wall of the filter cartridge are scraped, the filter cartridge is vibrated, the cleaning is enabled to be more effective, finally, the collecting assembly can discharge water and collect the scraped residues, and the arrangement can clean and collect the residues attached to the inner wall of the filter cartridge together when the filter cartridge is backflushed and deslagged, so that the efficiency of backflushing and deslagging is improved.

Description

Radioactive waste liquid backflushing deslagging structure

Technical Field

The utility model relates to the technical field of radioactive waste liquid treatment equipment, in particular to a radioactive waste liquid backflushing deslagging structure.

Background

The radioactive wastewater treatment refers to the operation process for changing the physical and chemical states of radioactive wastes, including collection, concentration, solidification, storage, transportation of the wastes and the like, and the filtering structure is also required to be cleaned or replaced periodically after the wastewater treatment, when the cleaning and the replacement are inconvenient, the backwashing deslagging operation is used, if the backwashing deslagging operation is not good, the use is affected, and the backwashing deslagging is an important ring, so that the optimization of the backwashing deslagging is necessary.

For example, in the chinese patent publication No. CN215730901U, a filtering apparatus for radioactive waste liquid is disclosed, and the above prior art has an effect of reducing the exposure time of an operator in a radioactive area, but has high safety, but when the filtering member is used for a period of time, the filtering member is required to be cleaned or replaced, but the replacement and cleaning of the filtering member in some filtering apparatuses are very inconvenient, and the filtering member is cleaned in a backflushing manner, but the general backflushing is also performed by using water flow to flush the filtering member, so that the blocked hole of the filtering member can be flushed again for use, so that most of the filtering hole can be flushed, but some residues still can be attached to the surface of the filtering member after being impacted by water flow, and the residues enter the filtering hole again after the backflushing is finished, so that the backflushing cleaning is effective, and therefore, a radioactive waste liquid backflushing slag removing structure capable of collecting the residues attached to the surface of the filtering member in the backflushing process is necessary.

Disclosure of utility model

The utility model provides a radioactive waste liquid backflushing deslagging structure, which aims to solve the technical problem that part of residues are attached to the surface of a filter element in the backflushing deslagging process, so that the backflushing deslagging efficiency is low.

The radioactive waste liquid backflushing and deslagging structure comprises a barrel, wherein a filter cylinder for filtering radioactive waste liquid is arranged in the barrel, a liquid inlet pipe and a liquid outlet pipe are arranged on one side of the barrel, control valves are arranged on the liquid inlet pipe and the liquid outlet pipe, a backflushing component for backflushing and deslagging is arranged on the other side of the barrel, a scraping component for scraping residues on the filter cylinder is arranged in the barrel, a driving component for driving the scraping component to perform deslagging is arranged at the top of the barrel, and a collecting component for collecting the scraped residues is arranged at the bottom of the barrel.

Through the technical scheme, when the filter cylinder in the cylinder body is backwashed and deslagged, the backflushing assembly is started to drive the assembly, so that residues attached to the filter cylinder are scraped by the scraping assembly, and finally the residues are collected by the collecting assembly.

As a further improvement of the above, the recoil assembly includes a recoil tube communicating with one side of the barrel and a recoil valve provided on the recoil tube.

By the technical scheme, the backflushing valve is opened, so that water flows into the cylinder body through the backflushing pipe to backflush and deslagg the filter cylinder.

As a further improvement of the scheme, the scraping assembly comprises a rotating rod arranged in the filter cylinder, a plurality of limiting plates which are arranged at two ends of the rotating rod in a central symmetry manner and provided with sliding grooves, and a plurality of scraping plates which are arranged around the rotating rod in a central symmetry manner, wherein each scraping plate is in sliding fit with the adjacent limiting plates through the adjacent sliding grooves.

Through the technical scheme, the rotating rod rotates to enable the limiting plate to drive the scraping plate to scrape the inner wall of the filter cylinder, and the backflushed residues are scraped and collected.

As a further improvement of the scheme, one side of each scraping plate is fixedly provided with a limiting column, one end of each limiting column is provided with a fixed sleeve fixedly arranged on one end of each limiting column and a fixed sleeve fixedly arranged on the rotating rod, and each limiting column is provided with a pushing spring fixedly arranged on one end of each limiting column and the other end of each adjacent scraping plate.

Through above-mentioned technical scheme, when the striking off board removes, the promotion spring will promote the striking off board always and strain the laminating of the inner wall of a section of thick bamboo.

As a further improvement of the scheme, a plurality of limiting plates are fixedly arranged on the inner wall of the filter cylinder, one side of each limiting plate is obliquely arranged, and each limiting plate is matched with the scraping plate.

Through above-mentioned technical scheme, after striking off board and limiting plate contact, will be promoted a distance, will strike with the inner wall of straining the jar, let straining the jar produce vibrations to shake partial residue and fall.

As a further improvement of the scheme, the driving assembly comprises a servo motor arranged at the top of the cylinder body and a driving shaft fixedly arranged at the output end of the servo motor, and one end of the driving shaft penetrates through the top of the cylinder body and is fixedly arranged with one end of the rotating rod.

Through above-mentioned technical scheme, servo motor starts will let the drive shaft drive dwang and rotate.

As a further improvement of the scheme, a slag taking port is formed in the bottom of the barrel, the collecting assembly comprises a slag taking disc arranged on the slag taking port and a sealing ring fixedly sleeved on the circumferential surface of the slag taking disc, a liquid discharge pipe for discharging backflushing liquid is arranged on one side of the slag taking disc, and a liquid discharge valve is arranged on the liquid discharge pipe.

By the technical scheme, after the backflushing is finished, the liquid discharge valve is opened, so that backflushing liquid can be discharged from the liquid discharge pipe.

As a further improvement of the scheme, two fixing columns are fixedly arranged at the bottom of the cylinder body, clamping plates are sleeved on the two fixing columns in a rotating mode, and one sides of the two clamping plates are attached to one side of the slag taking disc.

Through above-mentioned technical scheme, the screens board rotates and will play spacing fixed effect to getting the slag pan.

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

According to the utility model, the backflushing assembly, the scraping assembly, the driving assembly and the collecting assembly are arranged, when the filter cylinder is backflushed and deslagged, the backflushing assembly is opened to enable water to be flushed into the cylinder body to carry out backflushing flow on the filter cylinder, the driving assembly can drive the scraping assembly to work after the backflushing assembly is started to rotationally scrape the inner wall of the filter cylinder, residues attached to the inner wall of the filter cylinder are scraped off, the filter cylinder is vibrated, cleaning is enabled to be more effective, finally the collecting assembly can drain water and collect the scraped residues, and thus the residues attached to the inner wall of the filter cylinder can be cleaned and collected together when the backflushing and deslagging of the filter cylinder are carried out, and the efficiency of backflushing and deslagging is improved.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with a collection assembly;

FIG. 3 is a schematic view of a structure of the present utility model with a driving assembly;

Fig. 4 is a schematic view of the structure of the scraping assembly of the present utility model.

Main symbol description:

1. The device comprises a cylinder body, a filter cylinder, a liquid inlet pipe, a liquid outlet pipe, a control valve, a back flushing pipe, a back flushing valve, a rotary rod, a limiting plate, a scraping plate, a 801 servo motor, a 802 driving shaft, a 901 slag taking plate, a 902 sealing ring, a 10 limiting column, a 11 fixing sleeve, a 12 pushing spring, a 13 limiting plate, a 14 liquid discharge pipe, a 15 fixing column, a 16 clamping plate and a clamping plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Please combine fig. 1-4, a radioactive waste liquid recoil deslagging structure of this embodiment, including barrel 1, the inside of barrel 1 is equipped with and is used for filtering the filter cartridge 2 of radioactive waste liquid, one side of barrel 1 is equipped with feed liquor pipe 3 and drain pipe 4, all be equipped with control valve 5 on feed liquor pipe 3 and the drain pipe 4, the opposite side of barrel 1 is equipped with the recoil subassembly that is used for carrying out recoil deslagging, the inside of barrel 1 is equipped with and is used for carrying out the scraping the subassembly that scrapes with straining the residue on the 2, the top of barrel 1 is equipped with the drive subassembly that the drive scraped the subassembly and carried out the deslagging work, the bottom of barrel 1 is equipped with the collection subassembly that will strike off the residue and collect.

Referring to fig. 1, the backflushing assembly includes a backflushing pipe 601 connected to one side of the cartridge body 1 and a backflushing valve 602 provided on the backflushing pipe 601, and opening the backflushing valve 602 allows water to flow into the cartridge body 1 through the backflushing pipe 601 to backflush and remove slag from the filter cartridge 2.

Referring to fig. 3 and fig. 4, the scraping assembly includes a rotating rod 701 disposed inside a filter cartridge 2, a plurality of limiting plates 702 disposed at two ends of the rotating rod 701 and provided with sliding grooves in a central symmetry manner, and a plurality of scraping plates 703 disposed around the rotating rod 701 in a central symmetry manner, each scraping plate 703 is slidably matched with the adjacent limiting plate 702 through the adjacent sliding grooves, a limiting post 10 is fixedly disposed on one side of each scraping plate 703, one end of each limiting post 10 is slidably sleeved with a fixing sleeve 11 fixedly disposed on one end of each limiting post 10 and the rotating rod 701, each limiting post 10 is sleeved with a pushing spring 12 fixedly disposed on one end of each limiting post 10 and the other end of each adjacent scraping plate 703 and the rotating rod 701, a plurality of limiting plates 13 are fixedly disposed on an inner wall of the filter cartridge 2, one side of each limiting plate 13 is obliquely disposed, each limiting plate 13 is matched with the scraping plate 703, and the rotating rod 701 rotates to enable the limiting plates 702 to drive the scraping plates 703 to scrape inner walls of the filter cartridge 2, and backflush residues are scraped and collected.

Referring to fig. 3 and 4, the driving assembly includes a servo motor 801 disposed at the top of the cylinder 1 and a driving shaft 802 fixedly mounted at an output end of the servo motor 801, wherein one end of the driving shaft 802 penetrates through the top of the cylinder 1 and is fixedly mounted with one end of the rotating rod 701, and when the servo motor 801 is started, the driving shaft 802 drives the rotating rod 701 to rotate.

Referring to fig. 2 and 4, a slag taking port is formed in the bottom of the barrel 1, the collecting assembly comprises a slag taking disc 901 arranged on the slag taking port and a sealing ring 902 fixedly sleeved on the circumferential surface of the slag taking disc 901, a liquid discharge pipe 14 for discharging backflushing liquid is arranged on one side of the slag taking disc 901, a liquid discharge valve is arranged on the liquid discharge pipe 14, two fixing columns 15 are fixedly arranged at the bottom of the barrel 1, clamping plates 16 are rotatably sleeved on the two fixing columns 15, one sides of the two clamping plates 16 are attached to one side of the slag taking disc 901, and backflushing liquid is discharged from the liquid discharge pipe 14 by opening the liquid discharge valve after backflushing is finished.

The implementation principle of the radioactive waste liquid backflushing slag removal structure in the embodiment of the application is as follows: when the filter cartridge 2 in the cylinder body 1 needs to be backwashed and deslagged, the backflushing valve 602 is opened, water enters the cylinder body 1 along the backflushing pipe 601, the water entering the cylinder body 1 can pass through the filtering holes of the filter cartridge 2 and enter the filter cartridge 2, the filtering holes and residues on the inner wall of the filter cartridge 2 can be impacted and removed in the process of entering the filter cartridge 2, all the residues are in the filter cartridge 2 along with water flow, the servo motor 801 is started, the driving shaft 802 drives the rotating rod 701 to rotate, the rotating rod 701 rotates to drive the limiting plate 702 and the scraping plate 703 to rotate, the scraping plate 703 scrapes and cleans the inner wall of the filter cartridge 2 in the rotating process, the residues which are attached to the inner wall of the filter cartridge 2 and do not move along with the water flow are scraped off, the scraping plate 703 is matched with the limiting plate 13 on the inner wall of the filter cartridge 2 in the scraping process, the limiting plate 13 extrudes the scraping plate 703 for a certain distance, the pushing spring 12 pushes the scraping plate 703 after the scraping plate 703 is extruded by the limiting plate 13, when the scraping plate 703 leaves the pushing range of the limiting plate 13, the scraping plate 703 is immediately pushed by the pushing spring 12 to impact on the inner wall of the filter cylinder 2, the impact force is not large due to the blocking of water flow, so that the filter cylinder 2 can vibrate, the cleaning effect of the water flow on the filtering holes is increased, finally, after the back flushing cleaning is finished, the liquid discharge valve is opened, the water flows out of the liquid discharge pipe 14, the waste liquid is discharged, the residues in the filter cylinder 2 can be discharged, part of residues still remain on the residue taking disc 901, the residue taking disc 901 can be taken down to clean the residues by rotating the clamping plate 16, the distance between the support frames is enough for the slag pan 901 to move.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a radioactive waste liquid recoil slagging-off structure, includes barrel (1), the inside of barrel (1) is equipped with and is used for filtering cartridge (2) of radioactive waste liquid, one side of barrel (1) is equipped with feed liquor pipe (3) and drain pipe (4), all be equipped with control valve (5) on feed liquor pipe (3) and drain pipe (4), its characterized in that, the opposite side of barrel (1) is equipped with the recoil subassembly that is used for carrying out recoil slagging-off, the inside of barrel (1) is equipped with and is used for scraping the striking off subassembly that strikes off of residue on cartridge (2), the top of barrel (1) is equipped with the drive subassembly that the subassembly was scraped in the drive and carries out the slagging-off work, the bottom of barrel (1) is equipped with the collection subassembly that will strike off the residue and collect.

2. A radioactive waste backflushing and deslagging structure as recited in claim 1, characterized in that the backflushing assembly comprises a backflushing pipe (601) communicated with one side of the cylinder (1) and a backflushing valve (602) arranged on the backflushing pipe (601).

3. The radioactive waste backflushing and deslagging structure as recited in claim 1, wherein the scraping assembly comprises a rotating rod (701) arranged in a filter cylinder (2), a plurality of limiting plates (702) which are arranged at two ends of the rotating rod (701) in a central symmetry manner and provided with sliding grooves, and a plurality of scraping plates (703) which are arranged around the rotating rod (701) in a central symmetry manner, wherein each scraping plate (703) is in sliding fit with the adjacent limiting plates (702) through the adjacent sliding grooves.

4. A radioactive waste liquid backflushing and deslagging structure as claimed in claim 3, wherein a limit post (10) is fixedly arranged on one side of each scraping plate (703), a fixed sleeve (11) with one end fixedly arranged with a rotating rod (701) is sleeved at one end of each limit post (10), and a pushing spring (12) with one end fixedly arranged with an adjacent scraping plate (703) and the other end fixedly arranged with the rotating rod (701) is sleeved on each limit post (10).

5. A radioactive waste liquid backflushing and deslagging structure as claimed in claim 3, characterized in that a plurality of limiting plates (13) are fixedly arranged on the inner wall of the filter cylinder (2), one side of each limiting plate (13) is obliquely arranged, and each limiting plate (13) is matched with the scraping plate (703).

6. A radioactive waste backflushing and deslagging structure as recited in claim 3, characterized in that the driving assembly comprises a servo motor (801) arranged at the top of the cylinder (1) and a driving shaft (802) fixedly arranged at the output end of the servo motor (801), wherein one end of the driving shaft (802) penetrates through the top of the cylinder (1) and is fixedly arranged with one end of the rotating rod (701).

7. The radioactive waste liquid backflushing and deslagging structure according to claim 1, wherein a slag taking port is formed in the bottom of the barrel body (1), the collecting assembly comprises a slag taking disc (901) arranged on the slag taking port and a sealing ring (902) fixedly sleeved on the circumferential surface of the slag taking disc (901), a liquid discharge pipe (14) for discharging backflushing liquid is arranged on one side of the slag taking disc (901), and a liquid discharge valve is arranged on the liquid discharge pipe (14).

8. The radioactive waste liquid backflushing and deslagging structure as recited in claim 7, characterized in that two fixing columns (15) are fixedly arranged at the bottom of the cylinder body (1), clamping plates (16) are rotatably sleeved on the two fixing columns (15), and one sides of the two clamping plates (16) are attached to one side of a slag taking disc (901).