CN102730271A - Container for reducing solid sludge deposition and zinc powder-replacing and cadmium-removing device - Google Patents

Container for reducing solid sludge deposition and zinc powder-replacing and cadmium-removing device Download PDF

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Publication number
CN102730271A
CN102730271A CN2011100948689A CN201110094868A CN102730271A CN 102730271 A CN102730271 A CN 102730271A CN 2011100948689 A CN2011100948689 A CN 2011100948689A CN 201110094868 A CN201110094868 A CN 201110094868A CN 102730271 A CN102730271 A CN 102730271A
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China
Prior art keywords
container
cylindrical drum
outlet
container according
cadmium
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CN2011100948689A
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Chinese (zh)
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CN102730271B (en
Inventor
何纯海
钟谦
李文
周新海
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Zhuzhou Smelter Group Co Ltd
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Zhuzhou Smelter Group Co Ltd
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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

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Abstract

The invention relates to a container for reducing solid sludge deposition. The container comprises a cylindrical barrel and a bottom surface, wherein the bottom surface is an inclined bottom surface tipsily intersected with a center line of the cylindrical barrel; an outlet is arranged on the cylindrical barrel; the position of the outlet is higher than the lowest end of the inclined bottom surface and lower than the highest end of the inclined bottom surface. The invention also provides a zinc powder-replacing and cadmium-removing device, which comprises a replacement reactor, a plurality of transfer intermediate tanks and a slurrying tank, which are sequentially connected, wherein at least one of the transfer intermediate tanks is the container for reducing the solid sludge deposition provided by the invention. The container for reducing the solid sludge deposition can reduce the sludge deposition space of the container by the inclined bottom surface and the outlet position, and reduces the deposition of the solid sludge in the container, so that cleaning of the container is easier and the production schedule is ensured.

Description

A kind of container and a kind of zinc dust precipitation that is used to reduce the solid slag deposition removes the cadmium device
Technical field
The present invention relates to chemical industry and smelt production field, relate in particular to a kind of container and a kind of zinc dust precipitation that is used to reduce the solid slag deposition and remove the cadmium device.
Background technology
Storage tank class container is that chemical industry is smelted the common equipment in producing, and is main with the cylindrical shape storage tank wherein.At present, the bottom of cylindrical shape storage tank is generally flat-bottom structure, and is as shown in Figure 1, comprise cylindrical shell 1 ' with flat bottom surface 2 ' its outlet be generally positioned at the bottom of cylindrical drum.And in the chemical industry smelting process; Production material normally contains the liquid material of small amount of solid, turns in the journey in streams, unavoidably has solid materials such as slag and deposits at container bottom; Cause dwindling of container effective volume, more likely cause the pollution of solids liquid material.
For example, in the zinc smelting purification production technology, generally adopt zinc replacement copper removal, cadmium, foreign metal such as copper, cadmium ion can obtain satisfactory solution of zinc sulfate after being replaced by zinc in theory.But in industrialized production, when solution of zinc sulfate circulated between each tankage, the copper-cadmium slag that quilt is displaced in the solution of zinc sulfate can deposit at container bottom, caused replacing copper, the cadmium of separating out and can take place to redissolve and get in the solution of zinc sulfate again.Copper, time that the cadmium slag contact with solution of zinc sulfate that displacement is separated out are long more, and the redissolution phenomenon is serious more, so should carry out the separation of slag liquid after the replacement completion as early as possible, avoid the redissolution of slag.
For avoiding the redissolution of copper, cadmium slag, also be employed in the prior art and drop into a small amount of zinc powder indent in the storage tank, and the method for periodic cleaning storage tank, but have a strong impact on manufacturing schedule in the mode of production process shut-down carrying out periodic cleaning.And, in the flat storage tank,, especially be prone to be deposited on around the cell wall and bottom land because slag be prone to be piled up, it is also bigger to cause clearing up difficulty; If adopt the feeding manner that outes while advancing, then be deposited on easily on the storage tank bottom surface away from outlet, cleaning labour intensity is big.
Summary of the invention
The invention solves the easy deposition of the slag that exists in the prior art causes storage tank class container to be difficult to clear up, influence the technical matters of manufacturing schedule.
The invention provides a kind of container that is used to reduce the solid slag deposition, comprise cylindrical drum and bottom surface, said bottom surface is to be the inclined end face that tilts to intersect with the cylindrical drum line of centers; Cylindrical drum is provided with outlet, and the position of outlet is higher than the least significant end of inclined end face, is lower than the most significant end of inclined end face.
The container that is used to reduce the solid slag deposition of the present invention; Because the bottom surface is non-level incline structure; Through the impact and the effect of solid self gravitation of solution in the material, solid slag can be deposited on the container bottom low side automatically, so liquid is when exporting flow container; The solid slag that major part is deposited on container bottom can produce storage tank with flow of liquid, avoids solid slag in the storage tank large-area accumulation in bottom; In addition, through the setting of inclined end face, automatically slag is accumulated to the container bottoms low side; The accumulated slag space dwindles greatly, so the solid slag deposition of container bottom significantly reduced, and makes that cleaning is more or less freely in the container; Can reduce the number of times of the cleaning container that stops, guarantee manufacturing schedule.
Be connected with the outlet pipe that level is installed in the outlet, be used for liquid is delivered to external container.Also be provided with valve and transmission pump on the outlet pipe.Through the setting of valve and transmission pump, can accelerate the transfer of liquid in containers, shorten the transfer required time, accelerate process.
The cylindrical drum top also is provided with container cover, is used for airtight container.Through the sealing of container cover, make container of the present invention become a leakproof tank, can prevent effectively that the material in the container from contacting with air, copper, the cadmium avoiding airborne oxygen to make having displaced redissolve.
Also be provided with inlet point on the cylindrical drum, the position of inlet point is higher than the position of outlet.
Also be provided with mixing device in the cylindrical drum, be used for the material in the container is stirred.
Also be provided with cooling mechanism in the cylindrical drum, be used for the material in the cooled containers.Cooling mechanism can be blower fan.
The present invention also provides a kind of zinc dust precipitation to remove the cadmium device, comprises bonded assembly metathesis reactor, several transfer medial launders and pulp groove successively, and wherein, at least one is a container provided by the invention in the said transfer medial launder.
Zinc dust precipitation provided by the invention removes in the cadmium device; At least one transfer medial launder is the inclined end face structure, and can separate solution of zinc sulfate by actv. between the most significant end and least significant end of bottom surface the exit position with copper-cadmium slag; Reduce bottom land accumulated slag area; Stop slag and build up increase, avoid and reduce zinc powder purifying the purpose of removing copper cadmium redissolution in the cadmium process, guarantee manufacturing schedule thereby reach.
Description of drawings
The structural representation of the storage tank that Fig. 1 provides for prior art.
Fig. 2 is the structural representation that is used to reduce the container of solid slag deposition provided by the invention.
1 '---the cylindrical shell of storage tank among Fig. 1,2 '---the flat bottom surface of storage tank among Fig. 1;
1---cylindrical shell, 2---the bottom surface, 3---outlet pipe, 4---valve, 5---transmission pump, 6---container cover, 7---feed pipe, the angle of α---bottom surface 2 and cylindrical drum line of centers.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing the present invention is done further explain.Should be appreciated that specific embodiment described herein only is used to explain the present invention, and be not used in qualification the present invention.
The invention provides a kind of container that is used to reduce the solid slag deposition, as shown in Figure 2, comprise cylindrical drum 1 and bottom surface 2, bottom surface 2 be a non-horizontal surface, its line of centers inclination with cylindrical drum 1 is crossing.Bottom surface 2 bevelled degree can not be excessive, otherwise can reduce volume of a container; The bevelled degree can not be too small, otherwise dwindling of accumulated slag area is comparatively faint, and the cleaning difficulty is still bigger.Under the preferable case, bottom surface 2 is 30～87 ° with the angle of cylindrical drum line of centers.More preferably under the situation, bottom surface 2 is 45～85 ° with the angle of cylindrical drum line of centers.
Among the present invention, the material of cylindrical drum is conventionally known to one of skill in the art, for example can adopt various steel materials.Under the preferable case, cylindrical drum is lined with the steel vessel of preservative coat in being, be lined with in for example various preservative coat glass-felt plastic or in be lined with the corrosion-resistant steel of preservative coat.
Cylindrical shell 1 is provided with outlet, and the position of outlet is higher than the least significant end of bottom surface 2, is lower than the most significant end of bottom surface 2.Solid in the material can be deposited on the low side of inclined end face automatically owing to the impact and the self gravitation of solution, and is as shown in Figure 2.And the position of outlet is arranged between the most significant end and least significant end on inclined-plane; Can guarantee deposition of solid in the bottom surface 2 least significant end; Make liquid when exporting flow container, the solid slag that major part is deposited on container bottom can produce storage tank with flow of liquid, avoids solid slag in the storage tank large-area accumulation in bottom.
As shown in Figure 2, be connected with the outlet pipe 3 that level is installed in the outlet, be used for the liquid of container is delivered to the outside.Outlet pipe 3 is installed for level, and it is connected with outlet of container.Also be provided with valve 4 and transmission pump 5 on the outlet pipe 3.Through the setting of valve 4, can control stopping or carrying out and the maintenance of transmission pump and pipeline of technology.And the setting of transmission pump 5 can be accelerated the conveying of liquid in containers, shortens length of the halt, accelerates process.
Cylindrical drum 1 top also is provided with container cover 6, is used for airtight container.Through the sealing of container cover 6, make container of the present invention become a leakproof tank, can prevent effectively that the material in the container from contacting with air, copper, the cadmium avoiding airborne oxygen to make having displaced redissolve.
Also be provided with inlet point 7 on the cylindrical drum 1, the position of inlet point 7 is higher than the position of outlet.Because the position of inlet point 7 is higher than the position of outlet, the container that is used to reduce the solid slag deposition therefore of the present invention can adopt the feeding manner that outes while advancing, and need not to stop work, and guarantees manufacturing schedule.
As preferred implementation of the present invention, also can be provided with mixing device (not shown in the accompanying drawing) in the cylindrical drum 1, be used for the material in the container is stirred.Also can be provided with cooling mechanism (not shown in the accompanying drawing) in the cylindrical drum 1, be used for the material in the cooled containers.Wherein, cooling mechanism can adopt and well known to a person skilled in the art various cooling mechanisms, blower fan for example, and the present invention does not have particular determination.
The present invention also provides a kind of zinc dust precipitation to remove the cadmium device, comprises bonded assembly metathesis reactor, several transfer medial launders and pulp groove successively, and wherein, at least one is a container provided by the invention in the said transfer medial launder.
Said zinc dust precipitation removes in the cadmium device, and the structure of metathesis reactor, pulp groove and be shaped as conventionally known to one of skill in the artly repeats no more here.
Zinc dust precipitation of the present invention removes in the cadmium device, and at least one transfer medial launder is to have structure shown in Figure 2, promptly has the inclined end face structure; And the exit position is between the most significant end and least significant end of bottom surface; Can separate solution of zinc sulfate with copper-cadmium slag by actv., reduce the accumulated slag area of bottom land, stop slag and build up increase; Avoid and reduce zinc powder purifying the purpose of removing copper cadmium redissolution in the cadmium process thereby reach, guarantee manufacturing schedule.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a container that is used to reduce the solid slag deposition comprises cylindrical drum and bottom surface, it is characterized in that, said bottom surface is to be the inclined end face that tilts to intersect with the cylindrical drum line of centers; Cylindrical drum is provided with outlet, and the position of outlet is higher than the least significant end of inclined end face, is lower than the most significant end of inclined end face.
2. container according to claim 1 is characterized in that, the angle of bottom surface and cylindrical drum line of centers is 30～87 °.
3. container according to claim 1 is characterized in that, is connected with the outlet pipe that level is installed in the outlet, is used for liquid is delivered to external container.
4. container according to claim 3 is characterized in that outlet pipe is provided with valve and transmission pump.
5. container according to claim 1 is characterized in that, the cylindrical drum top also is provided with container cover, is used for airtight container.
6. container according to claim 1 is characterized in that, also is provided with inlet point on the cylindrical drum, and the position of inlet point is higher than the position of outlet.
7. container according to claim 1 is characterized in that, also is provided with mixing device in the cylindrical drum, is used for the material in the container is stirred.
8. container according to claim 1 is characterized in that, also is provided with cooling mechanism in the cylindrical drum, is used for the material in the cooled containers.
9. container according to claim 8 is characterized in that, cooling mechanism is a blower fan.
10. a zinc dust precipitation removes the cadmium device, comprises bonded assembly metathesis reactor, several transfer medial launders and pulp groove successively, it is characterized in that at least one is each described container of claim 1～9 in the said transfer medial launder.
CN201110094868.9A 2011-04-15 2011-04-15 Container for reducing solid sludge deposition and zinc powder-replacing and cadmium-removing device Active CN102730271B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249871A (en) * 2014-09-04 2014-12-31 浙江华腾牧业有限公司 Molasses heat-insulating storage tank and molasses storage method thereof
CN105274355A (en) * 2015-11-18 2016-01-27 来宾华锡冶炼有限公司 Method and device for removing copper and cadmium in zinc sulfate solution in replacement manner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201325998Y (en) * 2008-11-28 2009-10-14 株洲冶炼集团股份有限公司 Puddler
CN202054216U (en) * 2011-04-15 2011-11-30 株洲冶炼集团股份有限公司 A container used for reducing solid slag deposition and a zinc powder displacing and cadmium removing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201325998Y (en) * 2008-11-28 2009-10-14 株洲冶炼集团股份有限公司 Puddler
CN202054216U (en) * 2011-04-15 2011-11-30 株洲冶炼集团股份有限公司 A container used for reducing solid slag deposition and a zinc powder displacing and cadmium removing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249871A (en) * 2014-09-04 2014-12-31 浙江华腾牧业有限公司 Molasses heat-insulating storage tank and molasses storage method thereof
CN105274355A (en) * 2015-11-18 2016-01-27 来宾华锡冶炼有限公司 Method and device for removing copper and cadmium in zinc sulfate solution in replacement manner
CN105274355B (en) * 2015-11-18 2017-04-12 来宾华锡冶炼有限公司 Method and device for removing copper and cadmium in zinc sulfate solution in replacement manner

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