CN208649411U - Dearsenification device - Google Patents
Dearsenification device Download PDFInfo
- Publication number
- CN208649411U CN208649411U CN201821263020.8U CN201821263020U CN208649411U CN 208649411 U CN208649411 U CN 208649411U CN 201821263020 U CN201821263020 U CN 201821263020U CN 208649411 U CN208649411 U CN 208649411U
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- China
- Prior art keywords
- rotary kiln
- dearsenification
- cooling
- feed inlet
- induction coil
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Abstract
The utility model discloses a kind of dearsenification devices, belong to dearsenification equipment technical field.The dearsenification device includes feeding device, rotary kiln and the cooling-sedimentation device for passing sequentially through pipeline connection, feeding device includes lock gas dispenser and nitrogen gas generator, rotary kiln both ends are respectively equipped with inlet port and outlet port, feeding device is connect with feed inlet, cooling-sedimentation device is connect with discharge port, sealing charging is realized, impurity and other gases will not be introduced, nitrogen can exclude air and will not react；The axis of rotary kiln and the angle of horizontal plane are 1 ° -3 °, and rotary kiln is arranged diagonally downward, preferably can feed and discharge；The outer surface of rotary kiln is arranged with induction coil, then it is external be also arranged with insulating layer, inner wall is equipped with lining brick can be such that rotary kiln quickly heats after induction coil connects intermediate frequency power supply, and lining brick and insulating layer make that heat utilization efficiency is high, power consumption is low and dearsenification is high-efficient；Cooling-sedimentation device can quickly cool down to arsenic.
Description
Technical field
The utility model relates to dearsenification equipment technical field more particularly to a kind of dearsenification devices.
Background technique
Arsenic is a kind of reluctant impurity in melting and refining process, in production process, can be generated largely containing in arsenic
Between product so that wherein valuable metal is difficult to recycle reduce the rate of recovery of main metal, arsenic is particularly detrimental in electrorefining,
There is strict demand to the element in the finished product copper of production bar and wire rod, so to guarantee Quality Cost, it is desirable that in copper concentrate
The content of arsenic 0.3% hereinafter, and existing equipment makes copper concentrate dearsenification inefficient, have after arsenic evaporation and control bad phenomenon hair
Raw, arsenic is noxious material, and getting into the air after evaporation has very big harm to human body and environment.
Utility model content
The purpose of this utility model is to provide a kind of dearsenification devices, to greatly improve copper concentrate dearsenification efficiency and recycling
The quality of arsenic.
To achieve the above object, the following technical schemes are provided:
The utility model provides a kind of dearsenification device, including pass sequentially through pipeline connection feeding device, rotary kiln and
Cooling-sedimentation device, the feeding device include locking gas dispenser and nitrogen gas generator, the rotary kiln and the feeding device
Feed inlet is arranged in one end of connection, and discharge port is arranged in the other end, and the feeding device is connect with the feed inlet, and the cooling is heavy
Falling unit is connect with the discharge port, and the axis of the rotary kiln and the angle of horizontal plane are 1 ° -3 °, the appearance of the rotary kiln
Surface cover is equipped with induction coil, and the outside of the induction coil is also arranged with insulating layer, and the inner wall of the rotary kiln is equipped with lining brick；
The feed end of the cooling-sedimentation device is arranged higher than discharge end.
Further, it is additionally provided with feed cavity between the lock gas dispenser and the feed inlet, is set in the feed cavity
It is equipped with screw conveyor, the import of the screw conveyor is connect with the outlet of the lock gas dispenser, the screw conveyor
Outlet connect with the feed inlet.
Further, the axis of the screw conveyor is oblique from described lock gas dispenser one end to described rotary kiln one end
Upper setting.
Further, the discharge end of the lock gas dispenser is transported to the screw conveyor by an expects pipe obliquely
Import.
Further, the induction coil is surround around the rotary kiln, from close to described feed inlet one end to the other end
Setting, the induction coil are less than the winding density in the middle part of the rotary kiln, the sense close to winding density at the feed inlet
The winding density for answering coil to be located in the middle part of the rotary kiln is less than the winding density close to the discharge port, and the rotary kiln is from institute
State the temperature sensor that feed inlet is successively uniformly arranged three or more to the discharge port.
Further, dearsenification device further includes gather dust cyclone cluster and deduster, and the cyclone cluster that gathers dust passes through pipeline respectively
It is connect with the rotary kiln and the cooling-sedimentation device, the cooling-sedimentation device passes through pipeline and the whirlwind that gathers dust respectively
Machine is connected with the deduster, and the deduster passes through pipeline and the cooling-sedimentation device respectively and the nitrogen gas generator connects
It connects.
Further, air-introduced machine and condensation are fitted on the pipeline that the deduster is connect with the nitrogen gas generator
Device.
Further, dearsenification device further includes chassis, and the rotary kiln is arranged on the chassis.
Further, dearsenification device further includes the first driving device being arranged on the chassis, the rotary kiln setting
In the first driving device, the first driving device is able to drive the rotary kiln rotation.
Further, the lining brick is graphite lining brick.
Compared with prior art, dearsenification device provided by the utility model includes the charging dress for passing sequentially through pipeline connection
It sets, rotary kiln and cooling-sedimentation device, feeding device include locking gas dispenser and nitrogen gas generator, rotary kiln and feeding device company
Discharge port is arranged in one end setting feed inlet connect, the other end, and feeding device is connect with feed inlet, cooling-sedimentation device and discharge port
Connection may be implemented sealing charging by lock gas dispenser charging, will not introduce impurity and other gases, and nitrogen gas generator can be with
By the air discharge in rotary kiln, and nitrogen is the stronger gas of stability, will not be reacted in dearsenification reaction；Rotary kiln
Axis and the angle of horizontal plane be 1 ° -3 °, rotary kiln is arranged diagonally downward, preferably can feed and discharge, reduce kiln
Interior material residual；The outer surface of rotary kiln is arranged with induction coil, and the outside of induction coil is also arranged with insulating layer, rotary kiln
Inner wall be equipped with lining brick, using induction coil connect intermediate frequency power supply after give rotary kiln heat, the sense being socketed in outside rotary kiln
The outer wall for answering coil that can make entire rotary kiln is equably heated, and heat can be delivered evenly to by the lining brick on rotary kiln inner wall
The material in kiln is heated in kiln, due to conducting heat uniformly, heat utilization efficiency is high, thus power consumption is low, the service life of rotary kiln
Long, arsenic is high-efficient out, becomes larger from feed inlet to discharge port induction coil density, so that the temperature of rotary kiln discharge outlet can
Up to 400-450 DEG C, be conducive to the valuable metal in the white arsenic that subsequent technique recycling distills, while improving the matter of white arsenic
Amount；The feed end of cooling-sedimentation device is arranged higher than discharge end, can quickly cool down to the arsenic distilled, this is practical new
Type structure is simple, reliable and stable, the rate of heat addition is fast, be heated evenly, heat utilization efficiency is high, dearsenification is high-efficient, high-quality and rotary kiln
Service life improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dearsenification device in the utility model embodiment.
Appended drawing reference: 1- chassis；2- feeding device；3- locks gas dispenser；4- nitrogen gas generator；5- expects pipe；6- spiral transferring
Send machine；7- rotary kiln；8- induction coil；9- gathers dust cyclone cluster；10- cooling-sedimentation device；11- deduster；12- air-introduced machine；13-
Condenser；14- pipeline；15- insulating layer；16- motor；17- first gear；18- second gear；19- support roller；20- idler wheel.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without making creative work
The range of type protection.
As shown in Figure 1, a kind of dearsenification device is present embodiments provided, the feeding device including passing sequentially through the connection of pipeline 14
2, rotary kiln 7 and cooling-sedimentation device 10, feeding device 2 include lock gas dispenser 3 and nitrogen gas generator 4, and nitrogen gas generator 4 is used
It, can be with by the lock charging of gas dispenser 3 in being filled with nitrogen into rotary kiln 7 before technique the air in rotary kiln 7 to be discharged
It realizes sealing charging, impurity and other gases will not be introduced, and nitrogen is the stronger gas of stability, it will not in dearsenification reaction
It reacts.One end that rotary kiln 7 is connect with feeding device 2 is arranged feed inlet, and the other end is arranged discharge port, feeding device 2 with
Feed inlet connection, cooling-sedimentation device 10 are connect with discharge port, and the axis of rotary kiln 7 and the angle of horizontal plane are 1 ° -3 °, revolution
Kiln 7 is arranged diagonally downward, preferably can feed and discharge, and reduces the material residual in kiln.The outer surface of rotary kiln 7 is arranged
There is induction coil 8, the outside of induction coil 8 is also arranged with insulating layer 15, and the inner wall of rotary kiln 7 is equipped with lining brick, in this implementation
Insulating layer 15 is made of ceramic wool insulation material in example, and heat insulation effect is good, and lining brick uses graphite lining brick, and heat transfer efficiency is high,
Heat transfer is uniform；It is connected after intermediate frequency power supply using induction coil 8 and is heated to rotary kiln 7, the induction coil being socketed in outside rotary kiln 7
8 can make the outer wall of entire rotary kiln 7 quickly and evenly be heated, the graphite lining brick on 7 inner wall of rotary kiln can will heat quickly it is equal
It is transmitted in kiln evenly and the material in kiln is heated, fast and uniform due to conducting heat, heat utilization efficiency is high, thus power consumption is low, returns
The long service life of rotary kiln 7, arsenic is high-efficient out.The feed end of cooling-sedimentation device 10 is arranged higher than discharge end, cooling-sedimentation dress
Setting 10 can quickly cool down to the arsenic distilled.
Specifically, dearsenification device includes chassis 1 and first driving device, and rotary kiln 7 is arranged in first driving device, the
One driving device is able to drive the rotation of rotary kiln 7.Wherein, first driving device includes the first power mechanism and the first driver
Structure, the first power mechanism include first motor 16 and the first gear 17 that is fixedly connected on 16 transmission shaft of first motor, and first
Transmission mechanism includes second gear 18, support roller 19 and idler wheel 20.Specifically, it is fixedly connected with multiple support rollers 19 on chassis 1, holds in the palm
Wheel 19 is arranged to arrangement, and the direction of formed column is vertical with the axis direction of rotary kiln 7, the axis of support roller 19 and the axis of rotary kiln 7
Line is parallel, and support roller 19 can be rotatable around its axis.Idler wheel 20, second gear 18 are fixedly connected with outside rotary kiln 7, and idler wheel 20
Lower end is rotatably connected on arranging multiple support rollers 19 to arrangement, and second gear 18 is engaged with first gear 17.
Further, it in order to which closed-type feed is better achieved, locks and is additionally provided with charging between gas dispenser 3 and feed inlet
Chamber is provided with screw conveyor 6 in feed cavity, and the import of screw conveyor 6 is connect with the outlet of lock gas dispenser 3, spiral transferring
The outlet of machine 6 is sent to connect with feed inlet.Specifically, self-locking 3 one end of gas dispenser of the axis of screw conveyor 6 is to rotary kiln 7 one
End is arranged obliquely, is conducive to material in this way and is sufficiently mixed uniformly.Further, material is inputted in order to increase lock gas dispenser 3
Space, the discharge end of lock gas dispenser 3 is transported to the import of screw conveyor 6 by an expects pipe 5 obliquely.
Further, induction coil 8 surround setting, the line of induction to the other end around rotary kiln 7, from close to feed inlet one end
The winding density at feed inlet of circle 8 is less than the winding density at 7 middle part of rotary kiln, and induction coil 8 is located at turn around twining for 7 middle part of kiln
It is less than the winding density close to discharge port around density, is become larger from feed inlet to 8 density of discharge port induction coil, so that revolution
The temperature of 7 discharge outlet of kiln may be up to 400-450 DEG C, be conducive to the valuable gold in the white arsenic that subsequent technique recycling distills
Belong to, while improving the quality of white arsenic.In order to preferably observe the temperature in rotary kiln 7, rotary kiln 7 is from feed inlet to discharge port
Three or more temperature sensors are successively uniformly arranged, in the present embodiment there are three from feed inlet to discharge port spaced set
Temperature sensor.Specifically, power supply and the capacitive communication connection that temperature sensor is connect with induction coil；Induction coil and electricity
Hold the both ends for being connected in parallel on power supply.Using intermediate frequency power supply as the baking modes of heat source, pass through temperature sensor feedback signal adjust automatically
Plant capacity, rotary kiln 7 do not need human intervention in the process of running, run smoothly, temperature-controllable, substantially reduce operation at
This.
Further, dearsenification device further includes gather dust cyclone cluster 9 and deduster 11, and the cyclone cluster 9 that gathers dust passes through pipeline respectively
14 connect with rotary kiln 7 and cooling-sedimentation device 10, and cooling-sedimentation device 10 cyclone cluster 9 and is removed by pipeline 14 with gathering dust respectively
Dirt device 11 connects, and deduster 11 is connect by pipeline 14 with cooling-sedimentation device 10 and with nitrogen gas generator 4 respectively.Specifically,
Deduster 11 is bag-type dust cylinder, and the cyclone cluster 9 that gathers dust is used to assemble the dust impurity in rotary kiln 7, by this step rough dedusting
Product of roasting afterwards, which enters in cooling-sedimentation device 10, to be cooled down, and the product after cooling-sedimentation is using bag-type dust cylinder
Further purifying and dedusting filters, and the gas after final dusting in product is almost nitrogen, then is passed through in nitrogen gas generator 4 repeatedly
It utilizes.Further, it is fitted with air-introduced machine 12 and condenser 13 on the pipeline 14 that bag-type dust cylinder is connect with nitrogen gas generator 4,
Nitrogen in bag-type dust cylinder is back in nitrogen gas generator 4 by air-introduced machine 12 and condenser 13, and condenser 13 can effectively be kept away
Exempt from nitrogen and generates swelling in push.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of dearsenification device, which is characterized in that feeding device (2), rotary kiln (7) including passing sequentially through pipeline (14) connection
With cooling-sedimentation device (10), the feeding device (2) includes lock gas dispenser (3) and nitrogen gas generator (4), the rotary kiln
(7) discharge port, the feeding device (2) and institute is arranged in one end setting feed inlet connecting with the feeding device (2), the other end
Feed inlet connection is stated, the cooling-sedimentation device (10) connect with the discharge port, the axis and horizontal plane of the rotary kiln (7)
Angle be 1 ° -3 °, the outer surface of the rotary kiln (7) is arranged with induction coil (8), and the outside of the induction coil (8) is also
It is arranged with insulating layer (15), the inner wall of the rotary kiln (7) is equipped with lining brick；The feed end of the cooling-sedimentation device (10) is high
It is arranged in discharge end.
2. dearsenification device according to claim 1, which is characterized in that the lock gas dispenser (3) and the feed inlet it
Between be additionally provided with feed cavity, be provided in the feed cavity screw conveyor (6), the import of the screw conveyor (6) and institute
The outlet connection of lock gas dispenser (3) is stated, the outlet of the screw conveyor (6) is connect with the feed inlet.
3. dearsenification device according to claim 2, which is characterized in that the axis of the screw conveyor (6) is from the lock
Gas dispenser (3) one end is arranged obliquely to the rotary kiln (7) one end.
4. dearsenification device according to claim 2, which is characterized in that the discharge end of lock gas dispenser (3) passes through one
Expects pipe (5) obliquely is transported to the import of the screw conveyor (6).
5. dearsenification device according to claim 1, which is characterized in that the induction coil (8) surrounds the rotary kiln
(7), it is wound at setting, the close feed inlet of the induction coil (8) from close to described feed inlet one end to the other end
Density is less than the winding density in the middle part of the rotary kiln (7), and the induction coil (8) is located at twining in the middle part of the rotary kiln (7)
Around density be less than close to the discharge port winding density, the rotary kiln (7) from the feed inlet to the discharge port successively
It is uniformly arranged three or more temperature sensors.
6. dearsenification device according to claim 1, which is characterized in that it further include gather dust cyclone cluster (9) and deduster (11),
The cyclone cluster that gathers dust (9) is connected by the pipeline (14) and the rotary kiln (7) and the cooling-sedimentation device (10) respectively
It connects, the cooling-sedimentation device (10) passes through the pipeline (14) and the cyclone cluster that gathers dust (9) and the deduster respectively
(11) it connects, the deduster (11) is sent out by the pipeline (14) and the cooling-sedimentation device (10) and the nitrogen respectively
Raw device (4) connection.
7. dearsenification device according to claim 6, which is characterized in that the deduster (11) and the nitrogen gas generator
(4) air-introduced machine (12) and condenser (13) are fitted on the pipeline (14) connected.
8. dearsenification device according to claim 1-7, which is characterized in that further include chassis (1), the rotary kiln
(7) it is arranged on the chassis (1).
9. dearsenification device according to claim 8, which is characterized in that further include first be arranged on the chassis (1)
Driving device, the rotary kiln (7) are arranged in the first driving device, and the first driving device is able to drive described return
Rotary kiln (7) rotation.
10. dearsenification device according to claim 1, which is characterized in that the lining brick is graphite lining brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263020.8U CN208649411U (en) | 2018-08-07 | 2018-08-07 | Dearsenification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263020.8U CN208649411U (en) | 2018-08-07 | 2018-08-07 | Dearsenification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208649411U true CN208649411U (en) | 2019-03-26 |
Family
ID=65788268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821263020.8U Expired - Fee Related CN208649411U (en) | 2018-08-07 | 2018-08-07 | Dearsenification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208649411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394570A (en) * | 2020-04-24 | 2020-07-10 | 湖南金马冶金技术开发有限公司 | External heating rotary furnace dearsenification device |
-
2018
- 2018-08-07 CN CN201821263020.8U patent/CN208649411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394570A (en) * | 2020-04-24 | 2020-07-10 | 湖南金马冶金技术开发有限公司 | External heating rotary furnace dearsenification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |