CN212370162U - Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device - Google Patents

Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device Download PDF

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Publication number
CN212370162U
CN212370162U CN202020367878.XU CN202020367878U CN212370162U CN 212370162 U CN212370162 U CN 212370162U CN 202020367878 U CN202020367878 U CN 202020367878U CN 212370162 U CN212370162 U CN 212370162U
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liquid
impregnation
flooding
synthetic
pipe
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韩明
王瑞云
王佳
张渊
韩丽红
王坤俊
于伟跃
王龙江
王稹
张崇文
乔太飞
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China Institute for Radiation Protection
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China Institute for Radiation Protection
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Abstract

The utility model relates to an automatic synthetic purifier of nuclear-grade active carbon flooding liquid, including the synthetic unit of flooding liquid, delivery pipe and the flooding liquid transition pipe of being connected with the synthetic unit of flooding liquid are equipped with flooding liquid filtering mechanism on the flooding liquid transition pipe, and the synthetic unit of flooding liquid includes the synthetic case of flooding liquid, and the synthetic incasement of flooding liquid is equipped with the stirring subassembly, and the top of the synthetic case of flooding liquid has the flooding medicine and puts in the mouth, and flooding medicine puts in a mouthful top and is equipped with movable cover plate, and the bottom of the synthetic case of flooding liquid is equipped with the washing liquid and leads the export. The preparation process of the impregnation liquid is completely mechanized, the impregnation efficiency is greatly improved, the contact time of personnel and impregnation medicines is reduced, and the damage to human bodies is reduced. Install the steeping liquor filtering mechanism additional, filter the tiny residue in the steeping liquor, promoted the pure degree of steeping liquor, reduced the harm to the steeping device, increased the life of steeping device. The production process of the impregnation liquid is full-automatic, the efficiency is improved, and the energy consumption is saved.

Description

Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device
Technical Field
The utility model belongs to the technical field of the radioactive iodine gets rid of in the nuclear air purification field and specifically relates to a nuclear level active carbon flooding liquid automatic synthesis purifier.
Background
Nuclear energy is widely developed and utilized by a plurality of countries as clean energy, with the vigorous development of the nuclear power industry in China, the construction of a nuclear power station develops from star fire to pragmatic vigor, but in the daily operation process of the nuclear power station, a large amount of radioactive gas is released, radioactive iodine is regarded as the most harmful pollutant in the exhaust gas discharged by the nuclear power station, and mainly comprises I129And I131If the air is directly discharged into the atmosphere, the air can have serious influence on the life safety of human beings. Therefore, the exhaust gas containing radioactive iodine needs to be treated to meet a predetermined emission requirement before it can be discharged into the atmosphere. Active carbon as main adsorption material of radioactive iodine of nuclear power stationThe device can effectively remove radioactive iodine, and an iodine adsorber provided with nuclear-grade impregnated activated carbon is adopted as an effective adsorption device of radioactive iodine in a ventilation and filtration system of a nuclear power station in China. The preparation of the nuclear-grade activated carbon needs impregnation processing, the impregnant comprises KI and TEDA, and the TEDA is a chemical with pungent smell, can cause unsmooth breathing and dizzy human head after being inhaled into a human body, and has great harm to the health of the human body.
It is necessary to reduce the contact between the medicine and the human during the impregnation. In the traditional impregnation process, as TEDA is difficult to dissolve in water, undissolved residues are difficult to avoid even if the TEDA is fully stirred, and in the activated carbon impregnation process, in order to ensure that the activated carbon is uniformly impregnated, an impregnation liquid is sprayed to the activated carbon by a spraying system, and carbon dust in a workshop is scattered and enters the activated carbon in the impregnation process except the undissolved residues. These all cause the spray device to be blocked, thereby affecting the efficiency of the activated carbon impregnation and reducing the service life of the impregnation device. Therefore, it is important to improve the purity of the impregnation solution. In view of the above, it is very desirable to solve the problems occurring in the preparation of impregnation solutions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides an automatic synthetic purifier of nuclear-grade active carbon maceration extract, includes the synthetic unit of maceration extract, delivery pipe and the maceration extract transition pipe of being connected with the synthetic unit of maceration extract that is equipped with maceration extract filter mechanism on the maceration extract transition pipe, the synthetic unit of maceration extract includes the synthetic case of maceration extract, and the synthetic incasement of maceration extract is equipped with stirring component, and the top of the synthetic case of maceration extract has the flooding medicine and puts in the mouth, and flooding medicine puts in a mouthful top and is equipped with removable cover, and the bottom of the synthetic case of maceration extract is equipped with the washing liquid delivery outlet, and washing liquid delivery outlet connects the washing liquid delivery outlet, and the washing liquid delivery.
Further, the stirring assembly comprises a rotating roller longitudinally installed in the impregnation liquid synthesis box, stirring blades arranged on the rotating roller and a driving motor located at the end of the rotating roller and connected with the rotating roller.
Further, the maceration extract filtering mechanism comprises a plurality of maceration extract filtering boxes connected in parallel through maceration extract transition pipes, a feed liquor branch pipe at the feed liquor end of the maceration extract filtering box is connected with the maceration extract transition pipe, a liquid outlet branch pipe at the liquid outlet end of the maceration extract filtering box is connected with a maceration extract outlet pipe, and a filter screen is installed in the maceration extract filtering box.
Further, a switch valve is arranged on the liquid inlet branch pipe, and a check valve is arranged on the liquid outlet branch pipe.
Furthermore, water pumps are arranged on the immersion liquid transition pipe and the water supply pipe, and a flow control meter is also arranged on the water supply pipe.
Further, the dipping liquid delivery pipe is connected with a dipping device.
Further, the raw materials in the impregnation liquid synthesis tank are water and an impregnation chemical, the water is supplied through a water supply pipe, and the impregnation chemical is injected through an impregnation chemical injection port.
The utility model has the advantages that: (1) the preparation process of the impregnation liquid is completely mechanized, the impregnation efficiency is greatly improved, the contact time of personnel and impregnation medicines is reduced, and the damage to human bodies is reduced. (2) Install the steeping liquor filtering mechanism additional, filter the tiny residue in the steeping liquor, promoted the pure degree of steeping liquor, reduced the harm to the steeping device, increased the life of steeping device. (3) The production process of the impregnation liquid is full-automatic, the efficiency is improved, and the energy consumption is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, an automatic synthesis and purification device for nuclear-grade activated carbon impregnation liquid comprises an impregnation liquid synthesis unit, a water supply pipe 1 connected with the impregnation liquid synthesis unit and an impregnation liquid transition pipe 2 connected with the impregnation liquid synthesis unit, wherein an impregnation liquid filtering mechanism is arranged on the impregnation liquid transition pipe 2, the impregnation liquid synthesis unit comprises an impregnation liquid synthesis box 3, the impregnation liquid synthesis box 3 is made of a nuclear-grade stainless steel material with extremely strong corrosion resistance, a stirring component is arranged in the impregnation liquid synthesis box 3, the top of the impregnation liquid synthesis box 3 is provided with an impregnation medicine input port 4, the top of the impregnation medicine input port 4 is provided with a movable cover plate 5, the bottom of the impregnation liquid synthesis box 3 is provided with a cleaning liquid output pipe 6, the cleaning liquid output pipe 6 is connected with a cleaning liquid output pipe 7, and the cleaning liquid output pipe 7 is provided with a valve 8.
Further, the stirring assembly comprises a rotating roller 9 longitudinally installed in the impregnation liquid synthesis tank 3, a stirring blade 10 arranged on the rotating roller 9 and a driving motor 11 connected with the rotating roller 9 and positioned at the end part of the rotating roller 9.
The immersion liquid filtering mechanism comprises a plurality of immersion liquid filtering boxes 12 which are connected in parallel through immersion liquid transition pipes 2, a liquid inlet branch pipe 13 at the liquid inlet end of each immersion liquid filtering box 12 is connected with each immersion liquid transition pipe 2, a liquid outlet branch pipe 14 at the liquid outlet end of each immersion liquid filtering box 12 is connected with an immersion liquid outlet pipe 15, and a filter screen 16 is installed in each immersion liquid filtering box 12. The liquid inlet branch pipe 13 is provided with a switch valve 17, and the liquid outlet branch pipe 14 is provided with a check valve 18.
Furthermore, a water pump 19 is installed on the immersion liquid transition pipe 2 and the water supply pipe 1, a flow rate controller 20 is also installed on the water supply pipe 1, and the immersion liquid delivery pipe 15 is connected with an immersion device.
The function of the device is further explained in the following with the attached drawings and the specific embodiments:
example (c): 150kg of activated carbon was impregnated with the synthetic impregnation solution.
Before the preparation of the impregnation liquid, the inside of the impregnation liquid synthesis unit is cleaned, and during cleaning, clean water is supplied into the impregnation liquid synthesis tank 3 through the water supply pipe 1 to wash the impregnation liquid synthesis tank 3, and the cleaning liquid is discharged from the lower cleaning liquid discharge pipe 7. After cleaning, an automatic water supply system is started, the water inlet amount is controlled by a flow control meter 20, and 120kg of water is added according to the proportion of 150kg of activated carbon 5: 4. And opening the stirring component and the movable cover plate 5, adding 1.5kg of KI and 6kg of TEDA into the steeping liquor synthesis box 3 from the steeping liquor feeding port 4 according to the proportion of 1:4, stirring and synthesizing for 20 minutes, and introducing the synthesized steeping liquor into the steeping liquor filtering mechanism through a water pump 19 on the steeping liquor transition pipe 2. Opening a switch valve 17 and a check valve 18 on any one of the steeping fluid filtering mechanisms, allowing the steeping fluid to pass through a filter screen 16 in the steeping fluid filtering mechanism, and filtering residues and insoluble substances in the steeping fluid through the filter screen 16 to ensure the purity of the steeping fluid. The purified impregnation liquid is directly injected into the impregnation device through an impregnation liquid delivery pipe 15.
The preparation process of the impregnation liquid is completely mechanized, the impregnation efficiency is greatly improved, the contact time of personnel and impregnation medicines is reduced, and the damage to human bodies is reduced. Install the steeping liquor filtering mechanism additional, filter the tiny residue in the steeping liquor, promoted the pure degree of steeping liquor, reduced the harm to the steeping device, increased the life of steeping device. The production process of the impregnation liquid is full-automatic, the efficiency is improved, and the energy consumption is saved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an automatic synthetic purifier of nuclear-grade active carbon flooding liquid, includes the synthetic unit of flooding liquid, delivery pipe and the flooding liquid transition pipe of being connected with the synthetic unit of flooding liquid that is connected with the synthetic unit of flooding liquid, be equipped with flooding liquid filter equipment on the flooding liquid transition pipe, its characterized in that, the synthetic unit of flooding liquid includes the synthetic case of flooding liquid, is equipped with the stirring subassembly in the synthetic incasement of flooding liquid, and the top of the synthetic case of flooding liquid has the flooding medicine and puts in the mouth, and flooding medicine puts in a mouthful top and is equipped with removable cover, and the bottom of the synthetic case of flooding liquid is equipped with the washing liquid delivery outlet, and washing liquid delivery outlet connects the washing liquid delivery outlet, and the washing liquid.
2. The automatic synthesis and purification device for the nuclear-grade activated carbon impregnation liquid as claimed in claim 1, wherein the stirring assembly comprises a rotating roller longitudinally installed in the impregnation liquid synthesis tank, a stirring blade arranged on the rotating roller and a driving motor connected with the rotating roller and positioned at the end part of the rotating roller.
3. The automatic synthesis and purification device for the nuclear-grade activated carbon impregnation liquid as claimed in claim 1 or 2, wherein the impregnation liquid filtering mechanism comprises a plurality of impregnation liquid filtering tanks connected in parallel by impregnation liquid transition pipes, a liquid inlet branch pipe at a liquid inlet end of each impregnation liquid filtering tank is connected with the impregnation liquid transition pipe, a liquid outlet branch pipe at a liquid outlet end of each impregnation liquid filtering tank is connected with an impregnation liquid outlet pipe, and a filter screen is installed in each impregnation liquid filtering tank.
4. The automatic synthesis and purification device for the nuclear-grade activated carbon impregnation liquid as claimed in claim 3, wherein a switch valve is arranged on the liquid inlet branch pipe, and a check valve is arranged on the liquid outlet branch pipe.
5. The automatic synthesis and purification device for nuclear-grade activated carbon impregnation liquid as claimed in claim 3, wherein water pumps are installed on the impregnation liquid transition pipe and the water supply pipe, and a flow control meter is further installed on the water supply pipe.
6. The automatic synthesis and purification device for the nuclear-grade activated carbon impregnation liquid as claimed in claim 3, wherein the impregnation liquid delivery pipe is connected with the impregnation device.
7. The apparatus of claim 3, wherein the raw materials in the impregnation solution synthesis tank are water and an impregnation chemical, the water is supplied through a water supply pipe, and the impregnation chemical is injected through an impregnation chemical injection port.
CN202020367878.XU 2020-03-20 2020-03-20 Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device Active CN212370162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020367878.XU CN212370162U (en) 2020-03-20 2020-03-20 Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device

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Application Number Priority Date Filing Date Title
CN202020367878.XU CN212370162U (en) 2020-03-20 2020-03-20 Nuclear-grade activated carbon impregnation liquid automatic synthesis and purification device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115945170A (en) * 2022-12-22 2023-04-11 中国辐射防护研究院 A nuclear-grade activated carbon preparation system and method for capturing airborne radioactive iodine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115945170A (en) * 2022-12-22 2023-04-11 中国辐射防护研究院 A nuclear-grade activated carbon preparation system and method for capturing airborne radioactive iodine

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