CN208660431U - A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower - Google Patents
A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower Download PDFInfo
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- CN208660431U CN208660431U CN201820984951.0U CN201820984951U CN208660431U CN 208660431 U CN208660431 U CN 208660431U CN 201820984951 U CN201820984951 U CN 201820984951U CN 208660431 U CN208660431 U CN 208660431U
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- moving bed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model discloses a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption towers, it is characterized in that, including tower body, overflow pipe, overflowing liquid tower tray, tower tray sealing device, feed inlet, discharge port, resin outlet, skirt, resin basin, the packed moving bed adsorption tower further include the tower tray sealing device, and the lower edge of the tower tray sealing device is sealingly mounted at the upper limb of the overflowing liquid tower tray, the upper end of the tower tray sealing device and the resin storage tank outer wall are tightly connected, and the confined space of overflowing liquid is formed with overflowing liquid tower tray.It is additionally provided with more than one ventilation opening on the tower tray sealing device, is additionally provided with exhaust apparatus on the ventilation opening.The utility model has the advantages that sealing effect is good, processing and fabricating is simple, operating cost is low.
Description
Technical field
The utility model belongs to hydrometallurgy of uranium technical field, and in particular to a kind of closely knit shifting of hydrometallurgy of uranium anti-leak environment-friendly type
Dynamic bed adsorption tower.
Background technique
As human production life speed is getting faster, especially the nearly more than ten years economic prosperity of developing country, which increases, is driven
It is dynamic, the demand of the energy is also increased year by year, the limited reserves of fossil energy, which have become, restricts the important of human social development
Factor, in addition a large amount of greenhouse gas emissions of traditional thermal power generation and environmental pollution allow the mankind that will constantly realize that steering can be again
The utilization of the raw energy.Wherein nuclear energy becomes important component part, Nian Zeng in energy accounting in recent years as a kind of clean energy resource again
Speed is 2.3%.As the raw material uranium ore of nuclear energy, exploitation and using as research emphasis in recent years.
Ion exchange is a kind of technology extracted from solution with separating element.Uranium mill at home is handed over using ion
Changing technology and extracting uranium from uranium ore leachate is one of the most frequently used at present and most efficient method, it has separation selectivity
By force, do not consume expensive reagent, apparatus-form is simple and compact, easy to operate easy realization automatically control the advantages that.It soaks to China at present
The leachate treating capacity of uranium mine is big, and uranium concentration is low, is substantially all the work for extracting uranium from leachate using ion-exchange
Skill.Ion-exchange unit type is more, feature is different, wherein having fixed bed, fluidized bed and packed moving bed by jigging bed condition point
Etc. types.Wherein, packed moving bed adsorption tower is the key equipment of ion exchange technique, common packed moving bed adsorption tower master
It to be made of tower body, liquid distributor, pumping equipment (overflowing liquid tower tray) and top resin basin etc..It is adsorbed in packed moving bed
When tower feed liquor, leachate flows fast through resin bed (allowing to reach carrying velocity) from bottom to top, and the adsorption tail liquid of generation is through tower
Push up the outflow of overflowing liquid tower tray.
According in " Uranium radiation protection regulation " (EJ993-2008) to the radiation proof related request " water of You Xuan smelting factory
Radioactive radon concentration is no more than 1.1kBq/m in air in smelting workshop workplace3".Replacement, cleaning tower are considered in production at present
The operational requirements such as resin sieve are pushed up, the overflowing liquid tower tray (hereinafter referred to as: overflowing liquid tower tray) at the top of packed moving bed adsorption tower is equal
Easily occur adsorption tail liquid radon gas in overflowing liquid tower tray flooding process in the case where not taking sealing for unenclosed construction and expand
Scattered situation often will detect that the radioactive radon concentration in operating environment beyond environmental protection limit in the detection process to operating environment
Even tens times or more of several times of value requirement, the presence of this case can be to staff's occupational health in operating environment
The hidden danger to cause damages does not meet the requirement of occupational health and safety to working environment.
Although overflowing liquid tray area considers ventilation device in production, due to uranium mill adsorption tail liquid flow
Greatly, radon gas burst size is big, and discharges long with diffusion time, if to will lead to blower quantity more for endless increases ventilation quantity, invests height,
And the ventilation volume excessive temperature that will cause in workshop such as reduces at the adverse effect.
Current certain uranium mills carry out the sealing of overflowing liquid tower tray, but poor sealing effect, behaviour using materials such as plastic foils
Make several times or more that radioactive radon concentration in environment still exceeds environmentally friendly limit value requirement, very big shadow is generated to the normal operating of personnel
It rings.
The above-mentioned prior art has the following disadvantages；
1, radioactive radon concentration over-standard around packed moving bed top overflowing liquid tower tray, exists to staff's occupational health
The hidden danger of harm；
2, radioactive radon element pollution is handled using environment ventilation method, investment in fixed assets is high, when air regenerating device is run
Between it is long, operating cost is high, and environment temperature not can guarantee in workshop；
3, existing overflowing liquid tower tray sealing means reliability is low, poor sealing effect, cannot reach occupational health and safety is right
The requirement of working environment.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is close to provide a kind of hydrometallurgy of uranium anti-leak environment-friendly type
Real moving bed adsorption tower, the hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower have processing and fabricating simple, can be effective
Radioactive radon concentration of element in working environment is reduced, guarantees staff's occupational health.
The utility model is achieved through the following technical solutions:
A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower, which is characterized in that including tower body, overflow pipe,
Overflowing liquid tower tray, tower tray sealing device, feed inlet, discharge port, resin outlet, skirt, resin basin, the tower body are mounted on institute
The top of skirt is stated, the bottom of the tower body is arranged in the resin outlet, and the feed inlet is mounted on the lower part of the tower body
Higher than the resin outlet position, the overflowing liquid tower tray is mounted on the direct tube section top of the tower body, the overflow pipe installation
The tower body top and be located at the overflowing liquid tower tray inside, the bottom of the overflowing liquid tower tray is arranged in the discharge port
And extend to the bottom direction of the tower body, the resin storage tank is coaxially mounted to the top of the tower body；
The packed moving bed adsorption tower further includes the tower tray sealing device, the lower edge sealing of the tower tray sealing device
It is mounted on the upper limb of the overflowing liquid tower tray, the upper end of the tower tray sealing device and the resin storage tank outer wall are tightly connected,
The confined space of overflowing liquid is formed with overflowing liquid tower tray.
In the above-mentioned technical solutions, the tower tray sealing device includes steel skeleton, cover board, manhole and seal fitting；Wherein
Bottom, top and the surrounding of the tower tray sealing device, the cover board are arranged in as main structure and load-carrying members for steel skeleton
It is fixed on the steel skeleton by the seal fitting, the manhole is provided on the cover board.
In the above-mentioned technical solutions, the steel skeleton includes square steel foundation ring, square steel stud, band steel circle, square steel collar, square steel
Top beam and square steel diagonal brace, the inside of square steel the foundation ring welding and the overflowing liquid tower tray, the square steel stud are vertically welded in
On the square steel foundation ring, the square steel collar is welded on the top of the square steel stud, and square steel top beam one end is fixedly connected
The other end is fixedly connected on the square steel collar on the outside of the resin storage tank, and square steel diagonal brace one end is fixedly connected on institute
It states the other end on square steel stud to be fixedly connected on the square steel top beam, the band steel circle as stiffening ring is welded on the side
The middle part of steel stud.
In the above-mentioned technical solutions, the cover board further includes top blind flange and side cover plate, and the side cover plate is enclosed institute
It states the facade cylinder of tower tray sealing device and is fixedly connected on the outside of the square steel stud, the top blind flange is two semicircular rings
Shape is fixedly connected on the upside of the square steel top beam and the top of the square steel stud.
In the above-mentioned technical solutions, the top blind flange is made of S31603 material, and is welded on outside the resin storage tank
The top of side, the upside of the square steel top beam and the square steel stud.
In the above-mentioned technical solutions, the side cover plate is made of polycarbonate plate.
In the above-mentioned technical solutions, the seal fitting includes rivet, bolt, nut, gasket, rubber washer and sealing
Glue；Rivet is for riveting polycarbonate plate and steel construction；Bolt, nut, gasket and rubber washer are used for the Manhole Sealing Joints；
Sealant is used to seal the gap of polycarbonate plate and steel skeleton engagement edge.
In the above-mentioned technical solutions, it is additionally provided with more than one ventilation opening on the lamina tecti, is gone back on the ventilation opening
It is provided with exhaust apparatus.
In the above-mentioned technical solutions, the manhole is arranged on the side cover plate, and the manhole includes manhole flange and people
Port lid, the manhole flange are made of S31603 material, and the manhole cover is made of polycarbonate plate, and the manhole cover is logical
It crosses bolt and compresses rubber seal and be connected on the manhole flange.
In the above-mentioned technical solutions, the manhole further includes rotating mechanism, and the rotating mechanism is made of otic placode and pin shaft
Described pin shaft one end connects the manhole flange, and the other end connects the manhole cover.
A kind of application method of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower, is first turned on ventilation opening
Exhaust apparatus starts air draft, leachate is passed through the feed inlet, leachate is by the resin bed in tower body, adsorption tail liquid
It is discharged from the overflow pipe on tower body top, into overflowing liquid tower tray, and by discharge port discharge system, when tower body lower resin adsorbs
When saturation, the resin of adsorption saturation is discharged from the resin outlet, supplement resin is filled into from upper resin basin to the tower
The top of body stops leachate being passed through the feed inlet, close on ventilation opening after 0.5~1 hour after completing adsorption process
Exhaust apparatus.
It the advantages of the utility model and has the beneficial effect that
1, sealing effect is good: the packed moving bed absorption using overflowing liquid tower tray described in the utility model with sealing device
Tower can effectively inhibit the diffusion of radioactive radon element, solve to discharge outward in adsorption tail liquid flooding process in overflowing liquid tower tray
The problem of radon element, prevents operating space radioactive radon concentration over-standard.
2, processing and fabricating is simple: secret emissary's moving bed adsorption tower described in the utility model, and production is simple, and installation is easy.
3, operating cost is low: working environment exhaust air rate substantially reduces, and can effectively reduce the blower quantity of environment ventilation, reduces
Ventilation and workshop keep the temperature cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower.
Fig. 2 is the main view of 1 tower tray sealing device part of the utility model embodiment.
Fig. 3 is the top view of 1 tower tray sealing device part of the utility model embodiment.
Wherein:
1: resin basin；2: tower tray sealing device；3: overflowing liquid tower tray；4: overflow pipe；5: tower body；6: discharge port；7: into
Material mouth；8: resin outlet；9: skirt；10: square steel foundation ring；11: square steel stud；12: band steel circle；13: square steel collar；14: top
Cover board；15: square steel top beam；16: square steel diagonal brace；17: side cover plate；18: manhole cover；19: ventilation opening；20: manhole flange；21: turning
Motivation structure.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, combined with specific embodiments below into one
Step illustrates the technical solution of the utility model.
Embodiment 1
A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower, including tower body, overflow pipe, overflowing liquid tower tray,
Tower tray sealing device, discharge port, resin outlet, skirt, resin basin, the tower body diameter 3000mm, direct tube section height
8500mm, is mounted on the top of the skirt, the resin outlet diameter 200mm, is arranged in the bottom of the tower body, it is described into
Material mouth diameter 300mm, the lower part for being mounted on the tower body is higher than the resin outlet position, more than direct tube section bottom
At 300mm, the overflowing liquid tower tray outer dimension DN4100mm × 1050mm is mounted on the direct tube section top distance of the tower body
At the top of direct tube section at following 200mm, the overfall tube diameter 300mm is totally 18,6 uniformly distributed by center of circle span centre of DN1400, with
DN2500 is that center of circle span centre is 12 uniformly distributed, is mounted at the top of the tower body inside the overflowing liquid tower tray, the discharge port diameter
300mm is arranged in the bottom of the overflowing liquid tower tray and extends 1500mm, the resin storage tank to the bottom direction of the tower body
Outer dimension DN2000mm × 2500mm is coaxially mounted to the top of the tower body by resin discharge outlet；
The packed moving bed adsorption tower further includes the tower tray sealing device outer dimension DN4320mm × 2000mm, institute
The lower edge for stating tower tray sealing device is sealingly mounted at the upper limb of the overflowing liquid tower tray, the upper end of the tower tray sealing device and institute
The sealed connection of resin storage tank outer wall is stated, forms the confined space of overflowing liquid with overflowing liquid tower tray.
The tower tray sealing device includes steel skeleton, cover board, manhole and seal fitting；Wherein steel skeleton is as main structure
And bottom, top and the surrounding of the tower tray sealing device is arranged in load-carrying members, the cover board is solid by the seal fitting
It is scheduled on the steel skeleton, the manhole is provided on the cover board.
In the above-mentioned technical solutions, the steel skeleton includes square steel foundation ring (50mm × 20mm × 1.2mm, L=
12717mm), 11 square steel studs (50mm × 20mm × 1.2mm, L=1950mm), band steel circle (50mm × 3mm, L=
12746mm), square steel collar (50mm × 20mm × 1.2mm, L=12717mm), 11 square steel top beams (50mm × 20mm ×
1.2mm, L=1044mm) and 11 square steel diagonal braces (50mm × 20mm × 1.2mm, L=566mm), the square steel foundation ring welding with
The inside of the overflowing liquid tower tray, the square steel stud arrange along square steel foundation ring and be vertically welded on the square steel foundation ring, institute
The top that square steel collar is welded on the square steel stud is stated, square steel top beam one end is fixedly connected on the outside of the resin storage tank
The other end is fixedly connected on the square steel collar and corresponding with square steel stud position, and square steel diagonal brace one end is fixed
It is connected to the other end on the square steel stud and is fixedly connected on the square steel top beam (at 45 ° with the square steel top beam), as
The band steel circle of stiffening ring is welded on the middle part of the square steel stud.Specific installation dimension and positioning are as shown in Figures 2 and 3.
The cover board further includes top blind flange and side cover plate, and the side cover plate is enclosed the vertical of the tower tray sealing device
Face cylinder is simultaneously fixedly connected on the outside of the square steel stud, and the top blind flange is two semi-annular shapes, and internal diameter is
DN2012mm is fixedly connected on the upside of the square steel top beam and the top of the square steel stud.The top blind flange is
S31603 material is made, and is welded on the top of the resin storage tank outside, the upside of the square steel top beam and the square steel stud
Portion.The side cover plate is made of polycarbonate plate.The seal fitting includes rivet, bolt, nut, gasket, rubber washer
And sealant；Rivet is for riveting polycarbonate plate and steel construction；Bolt, nut, gasket and rubber washer are used for the people
Hole sealing；Sealant is used to seal the gap of polycarbonate plate and steel skeleton engagement edge.
One ventilation opening is additionally provided on the lamina tecti, ventilation opening is having a size of 200mm × 300mm, and installation site is such as
Shown in Fig. 3, exhaust apparatus (air quantity 10000m is additionally provided on the ventilation opening3/ h, wind pressure 450Pa).
The manhole (640mm × 1200mm manhole bottom is connected with the top of square steel foundation ring) is arranged in the side cover plate
On, the manhole includes manhole flange and manhole cover, and the manhole flange is made of S31603 material, and the manhole cover uses
Polycarbonate plate is made, and the manhole cover is connected on the manhole flange by bolt and compression rubber seal.The people
Hole further includes rotating mechanism, and the rotating mechanism is made of otic placode and pin shaft, and described pin shaft one end connects the manhole flange, separately
One end connects the manhole cover.
When being operated using the common packed moving bed for being not equipped with tower tray sealing device, operating area measures radon in workshop
Mean concentration 3400Bq/m3, raw after using packed moving bed adsorption tower of the utility model overflowing liquid tower tray with sealing device
It is 545Bq/m that operating space radon mean concentration is measured during producing3, sealing effect satisfaction " Uranium radiation protection regulation "
(EJ993-2008) to the radiation proof related request of You Xuan smelting factory in, i.e. " radioactivity in air in hydrometallurgy workshop workplace
Radon consistence is no more than 1.1kBq/m3”。
A kind of application method of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower, is first turned on ventilation opening
Exhaust apparatus starts air draft, leachate is passed through the feed inlet, leachate is by the resin bed in tower body, adsorption tail liquid
It is discharged from the overflow pipe on tower body top, into overflowing liquid tower tray, and by discharge port discharge system, when tower body lower resin adsorbs
When saturation, the resin of adsorption saturation is discharged from the resin outlet, supplement resin is filled into from upper resin basin to the tower
The top of body stops leachate being passed through the feed inlet, close on ventilation opening after 0.5~1 hour after completing adsorption process
Exhaust apparatus.
Embodiment 2
The utility model embodiment 1 can obviously prevent radioactive radon element in production process in implementation process
It overflows, greatly improves the working environment of labour personnel, in order to expand the application environment of embodiment 1, further increase sealing device
Performance, 2 ventilation openings are additionally provided on the lamina tecti, and (200mm × 300mm, with lamina tecti concentric, diameter is
DN3600), exhaust apparatus (air quantity 10000m is additionally provided on the ventilation opening3/ h, wind pressure 450Pa).It can by a larger margin
Promote the reliability of tower tray sealing device.The integral strength and stability of steel skeleton guarantee tower tray sealing device；Cover board guarantees dress
It sets and is isolated with external environment, wherein side cover plate is transparent material, can observe overflowing liquid tower tray internal pair production situation；Manhole is convenient
Operator's in-out apparatus repairs, replaces the production operations such as resin sieve；Seal fitting guarantees the sealing of package unit, prevents
Only radon gas is revealed.
Embodiment three
On the basis of the present embodiment 2, radioactive radon Element detection device is set on the tower tray sealing device, and will
It is electrically connected with the exhaust apparatus on the ventilation opening, when the detection device detects the radioactive radon in tower tray sealing device
When constituent content is more than a certain setting value, the exhaust apparatus is automatically turned on, increasing exhaust amount reinforces exhaust effect, more preferable anti-
Only radon element overflows.It is lower than some when the detection device detects radioactive radon constituent content in the tower tray sealing device
When setting value, the exhaust apparatus is automatically closed, has the function that energy efficiency.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (10)
1. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower, which is characterized in that including tower body, overflow pipe overflows
Flow liquid tower tray, tower tray sealing device, feed inlet, discharge port, resin outlet, skirt, resin basin, the tower body are mounted on described
The bottom of the tower body is arranged in the top of skirt, the resin outlet, and the lower part that the feed inlet is mounted on the tower body is high
In the resin outlet position, the overflowing liquid tower tray is mounted on the direct tube section top of the tower body, and the overflow pipe is mounted on
The top of the tower body is simultaneously located inside the overflowing liquid tower tray, and the bottom of the overflowing liquid tower tray is arranged in simultaneously in the discharge port
Extend to the bottom direction of the tower body, the resin storage tank is coaxially mounted to the top of the tower body；
Packed moving bed adsorption tower further includes the tower tray sealing device, and the lower edge of the tower tray sealing device is sealingly mounted at institute
The upper limb of overflowing liquid tower tray is stated, the upper end of the tower tray sealing device and the resin storage tank outer wall are tightly connected, with overflowing liquid
The confined space of tower tray formation overflowing liquid.
2. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 1, which is characterized in that
The tower tray sealing device includes steel skeleton, cover board, manhole and seal fitting；Wherein steel skeleton is as main structure and load-bearing knot
Bottom, top and the surrounding of the tower tray sealing device is arranged in structure, and the cover board is fixed on described by the seal fitting
On steel skeleton, the manhole is provided on the cover board.
3. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 2, which is characterized in that
The steel skeleton includes square steel foundation ring, square steel stud, band steel circle, square steel collar, square steel top beam and square steel diagonal brace, the square steel bottom
Lap welding connects the inside with the overflowing liquid tower tray, and the square steel stud is vertically welded on the square steel foundation ring, the square steel top
Circle is welded on the top of the square steel stud, and it is solid that square steel top beam one end is fixedly connected on the other end on the outside of the resin storage tank
Surely it is connected on the square steel collar, square steel diagonal brace one end is fixedly connected on the other end on the square steel stud and is fixedly connected
On the square steel top beam, the middle part of the square steel stud is welded on as the band steel circle of stiffening ring.
4. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 2, which is characterized in that
The seal fitting includes rivet, bolt, nut, gasket, rubber washer and sealant；Rivet is for riveting polycarbonate plate
And steel construction；Bolt, nut, gasket and rubber washer are used for the Manhole Sealing Joints；Sealant for seal polycarbonate plate and
The gap of steel skeleton engagement edge.
5. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 3, which is characterized in that
The cover board further includes top blind flange and side cover plate, and the side cover plate is enclosed the facade cylinder of the tower tray sealing device simultaneously
It is fixedly connected on the outside of the square steel stud, the top blind flange is two semi-annular shapes, is fixedly connected on the square steel top beam
Upside and the square steel stud top.
6. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 5, which is characterized in that
The top blind flange is made of S31603 material, and is welded on the resin storage tank outside, the upside of the square steel top beam and institute
State the top of square steel stud.
7. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 5, which is characterized in that
The side cover plate is made of polycarbonate plate.
8. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 5, which is characterized in that
It is additionally provided at least one ventilation opening in the top blind flange, is additionally provided with exhaust apparatus on the ventilation opening.
9. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 5, which is characterized in that
The manhole is arranged on the side cover plate, and the manhole includes manhole flange and manhole cover, and the manhole flange uses
S31603 material is made, and the manhole cover is made of polycarbonate plate, and the manhole cover is close by bolt and compression rubber pad
Envelope is connected on the manhole flange, and the manhole further includes rotating mechanism, and the rotating mechanism is made of otic placode and pin shaft, institute
It states pin shaft one end and connects the manhole flange, the other end connects the manhole cover.
10. a kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower according to claim 5, feature exist
In the manhole further includes rotating mechanism, and the rotating mechanism is made of otic placode and pin shaft, and described pin shaft one end connects the people
Hole flange, the other end connect the manhole cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984951.0U CN208660431U (en) | 2018-06-25 | 2018-06-25 | A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower |
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| CN201820984951.0U CN208660431U (en) | 2018-06-25 | 2018-06-25 | A kind of hydrometallurgy of uranium anti-leak environment-friendly type packed moving bed adsorption tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624275A (en) * | 2018-06-25 | 2019-12-31 | 中核第四研究设计工程有限公司 | Uranium ore hydrometallurgy leakage-proof environment-friendly type dense moving bed adsorption tower and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624275A (en) * | 2018-06-25 | 2019-12-31 | 中核第四研究设计工程有限公司 | Uranium ore hydrometallurgy leakage-proof environment-friendly type dense moving bed adsorption tower and use method |
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