CN112755688A - Uranium tetrafluoride unloading system dust removal collection device - Google Patents
Uranium tetrafluoride unloading system dust removal collection device Download PDFInfo
- Publication number
- CN112755688A CN112755688A CN202011443797.4A CN202011443797A CN112755688A CN 112755688 A CN112755688 A CN 112755688A CN 202011443797 A CN202011443797 A CN 202011443797A CN 112755688 A CN112755688 A CN 112755688A
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- Prior art keywords
- dust
- dust remover
- uranium tetrafluoride
- collection device
- remover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
Abstract
The invention belongs to the technical field of nuclear chemical industry, and particularly relates to a dust removal and collection device of a uranium tetrafluoride discharge system. The device avoids material spraying caused by pressure build-up in the container in the discharging process, improves the recovery rate of nuclear materials, and ensures occupational health safety, safety and environmental protection of operators. The operation degree of difficulty has been reduced, has avoided the inconvenient condition of hard tube counterpoint when operating personnel counterpoint the container. The structure is simple, the operation is convenient, and the fan can be started only by opening the valve before the use; the maintenance is simple and convenient, and the flange connection is adopted, so that the disassembly and the recovery of the uranium tetrafluoride can be conveniently carried out.
Description
Technical Field
The invention belongs to the technical field of nuclear chemical industry, and particularly relates to a dust removal and collection device of a uranium tetrafluoride unloading system.
Background
Uranium tetrafluoride packaging system of unloading is with the uranium tetrafluoride product that dry process preparation uranium tetrafluoride production line produced through system's packing to product container of unloading, because product container is bulky, there is certain deviation in the manufacturing process, and has produced a certain amount of deformation in using the hoist and mount in-process, can't form completely when leading to feed opening and product container to dock sealed, and the container bottom is equipped with the electronic scale, if adopt the mode that the flexible coupling pushed down, can influence the accuracy of weighing of electronic scale.
In the process of carrying out the uranium tetrafluoride packing of unloading, during the uranium tetrafluoride got into the product container through unloader, the row's of air body that produces got into the system of arranging of office after the evacuation mouth filters, because the uranium tetrafluoride product possesses the characteristic that the granule is little, easy raise dust, easily causes the filter tube to block up, and the negative pressure of arranging of office is less, unsatisfied the demand of the system of unloading. The gas can not be discharged in time, so that the product container is suppressed, and the air discharge body mixed with dust leaks from the butt joint of the feed opening and the product container.
Newly add the dust remover and adopt carbon steel material, flange joint, most of uranium tetrafluoride dust in the ability effectual collected gas, it is long when reducing the single use of rear end filter, adopt the convenient quick recovery of flange joint simultaneously to collect the uranium tetrafluoride that gets off.
The filter that gathers dust adopts Monel material filter tube, the uranium tetrafluoride in the filterable gas of effective filtration, and Monel material can prevent the damage of a small amount of corrosive gas to the filter tube. Meanwhile, the anti-corrosion high-pressure fan arranged at the tail end can provide negative pressure for the discharging system.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the dedusting and collecting device for the uranium tetrafluoride unloading system, which reduces the operation difficulty, improves the recovery rate of nuclear materials, and ensures the occupational health safety, safety and environmental protection of operators.
The technical scheme of the invention is as follows:
the utility model provides a uranium tetrafluoride system of unloading dust removal collection device, includes the one-level dust remover, the second grade dust remover, control flap, the filter that gathers dust, anticorrosion high pressure positive blower, intermediate product container is connected with the one-level dust remover through device import connecting pipe, and the one-level dust remover passes through the dust remover connecting tube and is connected with the second grade dust remover, and the second grade dust remover passes through the pipeline to be connected with the filter that gathers dust, and the filter upper end that gathers dust is provided with anticorrosion high pressure positive blower.
And a control valve is arranged on a connecting pipeline between the secondary dust remover and the dust collecting filter.
The product container and the primary dust remover are combined by a hose and a carbon steel pipeline.
And a second-stage dust remover is manufactured on an outlet pipeline of the first-stage dust remover, and the first-stage dust remover is connected with the second-stage dust remover by a flange and a pipeline.
The dust collecting filter is internally provided with a Monel wire mesh woven filter pipe.
The maximum bubbling aperture dmax of the filter pipe is less than or equal to 15 um.
An outlet of the dust collection filter is provided with a corrosion-resistant high-pressure fan, and the air volume of the corrosion-resistant high-pressure fan is 0.6m3And min, connecting the outlet of the corrosion-resistant high-pressure fan to a local exhaust system.
The pipe diameter of the inlet connecting pipeline of the device is DN 50.
The first-stage dust remover is a baffle dust remover, the first-stage dust remover is made of carbon steel, the wall thickness is 3mm, the second-stage dust remover is arranged at the outlet of the first-stage dust remover, and the material is settled in a DN80 pipeline and baffle mode and then falls into the first-stage dust remover.
The invention has the beneficial effects that:
1. the spraying of the materials caused by the pressure build-up in the container in the discharging process is avoided, the recovery rate of the nuclear materials is improved, and the occupational health safety, safety and environmental protection of operators are guaranteed.
2. The operation degree of difficulty has been reduced, has avoided the inconvenient condition of hard tube counterpoint when operating personnel counterpoint the container.
3. The space is reasonably utilized, the structure is simple, the operation is convenient, and the fan can be started only by opening the valve before use; the maintenance is simple and convenient, and the flange connection is adopted, so that the disassembly and the recovery of the uranium tetrafluoride can be conveniently carried out.
4. The manufacturing cost is low, the equipment is durable, the service life of all components exceeds more than 5 years, and the service life of equipment such as a dust remover, a pipeline and the like can reach ten years.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a device inlet connecting pipe, 2, a primary dust remover; 3. the dust remover is connected with a pipeline; 4. a secondary dust remover; 5. a control valve; 6. a dust collecting filter; 7. anticorrosive high pressure positive blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a uranium tetrafluoride system of unloading dust removal collection device, it includes one-level dust remover 2, second grade dust remover 4, control valve 5, dust filter 6, anticorrosion high pressure positive blower 7.
The intermediate product container is connected with a primary dust remover 2 through a device inlet connecting pipe 1, the primary dust remover 2 is connected with a secondary dust remover 4 through a dust remover connecting pipe 3, the secondary dust remover 4 is connected with a dust collecting filter 6 through a pipe, and an anti-corrosion high-pressure fan 7 is arranged at the upper end of the dust collecting filter 6.
A control valve 5 is arranged on a connecting pipeline between the secondary dust remover 4 and the dust collecting filter 6.
After the uranium tetrafluoride product got into the intermediate product container by the feed opening, the row's of air body in the intermediate product container is mingled with the uranium tetrafluoride dust and is got into one-level dust remover 2 by device import connecting pipe 1, part uranium tetrafluoride dust falls into one-level dust remover 2 after the dust removal of one-level dust remover 2, remaining uranium tetrafluoride dust removes dust once more through second grade dust remover 4 along with gaseous through dust remover connecting tube 3, gaseous after the dust removal gets into dust collection filter 6 through the connecting tube and filters behind the remaining uranium tetrafluoride dust and arrange to the local exhaust system by anticorrosive high pressure positive blower 7.
The device can effectively collect the uranium tetrafluoride product that the air discharging body smugglied secretly among the uranium tetrafluoride packaging process of unloading, simultaneously, can provide sufficient negative pressure for the system at the in-process of unloading.
Adopt the mode that hose and carbon steel pipeline combined together between product container and the one-level dust remover 2, hose portion can make things convenient for being connected with product container in the operation process, can guarantee the sealed of tie point simultaneously, avoids gas leakage, and the pipeline is fixed and the durability can be guaranteed to hard tube portion.
Utilize one-level dust remover 2 to carry out first collection to the uranium tetrafluoride in the exhaust gas body, make a second grade dust remover 4 simultaneously on 2 export pipelines of one-level dust remover, can collect 90% uranium tetrafluoride dust through the two-stage dust removal, adopt flange, pipe connection between one-level dust remover 2 and the second grade dust remover 4, can regularly will collect the product and retrieve.
Adopt dust collection filter 6 to filter exhaust gas, dust collection filter 6 is inside to adopt monel's silk screen to work out the filter tube, but all products that mix with in the filterable gas are collected, and the filter tube that adopts monel's material can prevent effectively that a small amount of hydrogen fluoride in the gas from causing the corrosion damage to the filter tube, leads to nuclear material to leak to the system of arranging of office.
The device tail end adopts high pressure anticorrosion fan 7, can effectively provide the negative pressure for the system of unloading, avoids the system to suppress the pressure and causes the uranium tetrafluoride dust to follow product container feed opening junction along with gas blowout, and the inside anticorrosion material that adopts of fan simultaneously can ensure the life of fan.
The pipe diameter of the inlet connecting pipeline of the device is DN 50.
The dust removal collection system is divided into two stages of dust removers, the first stage dust remover 2 is a baffle dust remover, and the dust material is collected to the dust remover in utilizing gaseous baffling, and the dust remover adopts carbon steel material, and the wall thickness is 3mm, and the design of second grade dust remover 4 is in the export of first stage dust remover 2, can effectively save on-the-spot space, adopts DN80 pipeline and baffle form to subside the material and falls into in the first stage dust remover.
6 dust filters adopt Monel wire mesh filter tubes, the maximum bubbling aperture dmax of the filter tubes is less than or equal to 15 mu m, the uranium tetrafluoride in the gas can be effectively filtered, the smoothness of the filter tubes is kept, and the filtered dust is collected in the filter for periodic recovery.
An outlet of the dust collection filter 6 is provided with a corrosion-resistant high-pressure fan 7 with the air volume of 0.6m3And min, connecting the outlet of the corrosion-resistant high-pressure fan 7 to a local exhaust system.
In the drawings of the disclosed embodiments of the invention, only methods related to the disclosed embodiments are referred to, other methods can refer to common design, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a uranium tetrafluoride system of unloading dust removal collection device, includes the one-level dust remover, the second grade dust remover, control flap, the filter that gathers dust, anticorrosion high pressure positive blower, its characterized in that:
the intermediate product container is connected with a primary dust remover through a device inlet connecting pipe, the primary dust remover is connected with a secondary dust remover through a dust remover connecting pipe, the secondary dust remover is connected with a dust collecting filter through a pipe, and an anti-corrosion high-pressure fan is arranged at the upper end of the dust collecting filter.
2. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: and a control valve is arranged on a connecting pipeline between the secondary dust remover and the dust collecting filter.
3. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: the product container and the primary dust remover are combined by a hose and a carbon steel pipeline.
4. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: and a second-stage dust remover is manufactured on an outlet pipeline of the first-stage dust remover, and the first-stage dust remover is connected with the second-stage dust remover by a flange and a pipeline.
5. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: the dust collecting filter is internally provided with a Monel wire mesh woven filter pipe.
6. The dust removal and collection device of a uranium tetrafluoride discharge system of claim 1, wherein: the maximum bubbling aperture dmax of the filter pipe is less than or equal to 15 um.
7. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: an outlet of the dust collection filter is provided with a corrosion-resistant high-pressure fan, and the air volume of the corrosion-resistant high-pressure fan is 0.6m3And min, connecting the outlet of the corrosion-resistant high-pressure fan to a local exhaust system.
8. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: the pipe diameter of the inlet connecting pipeline of the device is DN 50.
9. The dust removal and collection device of the uranium tetrafluoride discharge system according to claim 1, wherein: the first-stage dust remover is a baffle dust remover, the first-stage dust remover is made of carbon steel, the wall thickness is 3mm, the second-stage dust remover is arranged at the outlet of the first-stage dust remover, and the material is settled in a DN80 pipeline and baffle mode and then falls into the first-stage dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443797.4A CN112755688A (en) | 2020-12-08 | 2020-12-08 | Uranium tetrafluoride unloading system dust removal collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443797.4A CN112755688A (en) | 2020-12-08 | 2020-12-08 | Uranium tetrafluoride unloading system dust removal collection device |
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| CN112755688A true CN112755688A (en) | 2021-05-07 |
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| CN202011443797.4A Pending CN112755688A (en) | 2020-12-08 | 2020-12-08 | Uranium tetrafluoride unloading system dust removal collection device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717320A (en) * | 1951-05-29 | 1954-10-27 | C Ind Const Ltd B V | Automatic dust handling plant |
| CN102698552A (en) * | 2012-05-30 | 2012-10-03 | 郭丰亮 | Multi-stage dust remover |
| CN203777814U (en) * | 2014-04-27 | 2014-08-20 | 福建省长汀虔东稀土有限公司 | Dust removing device |
| CN104645761A (en) * | 2013-11-25 | 2015-05-27 | 无锡艾迪尔机械制造有限公司 | Sedimentation air pipe |
| CN106552471A (en) * | 2016-11-21 | 2017-04-05 | 高州市创盟科技有限公司 | Air cleaning water washing device |
| CN206716237U (en) * | 2017-05-18 | 2017-12-08 | 青岛聚鑫园工贸有限公司 | A kind of fume recovery system for being used to produce tungsten powder, tungsten carbide and ferrotungsten powder |
| CN107744709A (en) * | 2017-07-15 | 2018-03-02 | 广西海禾环保科技有限公司 | The energy-efficient solidifying formula electric-bag complex dust collector of vortex flow spray |
| CN210949000U (en) * | 2019-12-10 | 2020-07-07 | 大唐滑县风力发电有限责任公司 | Cooling and air guiding device of wind generating set |
-
2020
- 2020-12-08 CN CN202011443797.4A patent/CN112755688A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717320A (en) * | 1951-05-29 | 1954-10-27 | C Ind Const Ltd B V | Automatic dust handling plant |
| CN102698552A (en) * | 2012-05-30 | 2012-10-03 | 郭丰亮 | Multi-stage dust remover |
| CN104645761A (en) * | 2013-11-25 | 2015-05-27 | 无锡艾迪尔机械制造有限公司 | Sedimentation air pipe |
| CN203777814U (en) * | 2014-04-27 | 2014-08-20 | 福建省长汀虔东稀土有限公司 | Dust removing device |
| CN106552471A (en) * | 2016-11-21 | 2017-04-05 | 高州市创盟科技有限公司 | Air cleaning water washing device |
| CN206716237U (en) * | 2017-05-18 | 2017-12-08 | 青岛聚鑫园工贸有限公司 | A kind of fume recovery system for being used to produce tungsten powder, tungsten carbide and ferrotungsten powder |
| CN107744709A (en) * | 2017-07-15 | 2018-03-02 | 广西海禾环保科技有限公司 | The energy-efficient solidifying formula electric-bag complex dust collector of vortex flow spray |
| CN210949000U (en) * | 2019-12-10 | 2020-07-07 | 大唐滑县风力发电有限责任公司 | Cooling and air guiding device of wind generating set |
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