CN209476906U - A kind of cyanidation tailings harmless treatment device - Google Patents
A kind of cyanidation tailings harmless treatment device Download PDFInfo
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- CN209476906U CN209476906U CN201920165310.7U CN201920165310U CN209476906U CN 209476906 U CN209476906 U CN 209476906U CN 201920165310 U CN201920165310 U CN 201920165310U CN 209476906 U CN209476906 U CN 209476906U
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- reaction kettle
- broken cyanide
- liquid
- cyanidation tailings
- solid
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Abstract
The utility model relates to a kind of cyanidation tailings harmless treatment devices, including sequentially connected slurrying tank, broken cyanide reaction kettle and equipment for separating liquid from solid, the broken cyanide reaction kettle is connected with chemicals dosing plant and air blower, and the equipment for separating liquid from solid is connect by circulating water line with the slurrying tank.It is innoxious that the utility model realizes cyanidation tailings, can reach National Hazard waste judging standard, while the cost of producer's dangerous waste discharge is greatly lowered.
Description
Technical field
The utility model relates to metallurgy and technical field of beneficiation, and in particular to a kind of cyanidation tailings harmless treatment device.
Background technique
Cyanide gold-leaching is gold-leaching technology most widely used and relatively low cost at present, but there are the following problems: being passed through
After washing, because of the moisture containing 15%-25%, cyanidation tailings are not able to satisfy in national dangerous waste standard in relation to cyanide and a huge sum of money phase analysis
The standard of category.The utility model develops a kind of novel intelligent processing equipment, handles cyanidation tailings, reaches country
Dangerous waste standard.
Utility model content
The purpose of this utility model is to provide a kind of cyanidation tailings harmless treatment devices, including sequentially connected pulp
Slot, broken cyanide reaction kettle and equipment for separating liquid from solid, broken cyanide reaction kettle are connected with chemicals dosing plant and air blower, and equipment for separating liquid from solid passes through
Circulating water line is connect with slurrying tank；
Slurrying tank is used to carry out pulp processing to the cyanidation tailings of investment, to obtain pulp liquid；Broken cyanide reaction kettle is for leading to
Cross the cyanide and heavy metal in broken cyanide reaction removal pulp liquid；Chemicals dosing plant is used to that medicament to be added into broken cyanide reaction kettle and urges
Agent；Air blower is for blasting air into broken cyanide reaction kettle；Equipment for separating liquid from solid be used for broken cyanide reaction after pulp liquid into
Row is separated by solid-liquid separation, and obtains innoxious waste residue and liquid；Circulating water line is used to for liquid being delivered to slurrying tank as pulp processing
Circular water replenishing.
Further, circulating water line, which is equipped with, removes ammonia reactor for ammonia density in control loop moisturizing.
Further, equipment for separating liquid from solid is plate and frame filter press.
Further, broken cyanide reaction kettle is equipped with liquidometer, PH meter, ORP meter, DO meter, CN meter and air flow meter.
Further, micro-hole aerator is equipped in broken cyanide reaction kettle, micro-hole aerator includes the annular wind-distributing pipe of opening, ring
Shape wind-distributing pipe periphery is furnished with micropore, and annular wind-distributing pipe open end is equipped with connecting flange.
Compared with prior art the beneficial effects of the utility model are:
It is innoxious to realize cyanidation tailings, National Hazard waste judging standard can be reached, while factory is greatly lowered
The cost of family's dangerous waste discharge.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cyanidation tailings harmless treatment device of the utility model；
Fig. 2 is a kind of structural schematic diagram of cyanidation tailings harmless treatment device micro-hole aerator of the utility model；
Fig. 3 is the enlarged diagram in Fig. 2 at A.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
Join shown in Fig. 1 to Fig. 3, present embodiments provides a kind of cyanidation tailings harmless treatment device, including be sequentially connected
Slurrying tank 1, broken cyanide reaction kettle 2 and equipment for separating liquid from solid 3, broken cyanide reaction kettle 2 is connected with chemicals dosing plant 21 and air blower 22, Gu
Liquid separating apparatus 3 is connect by circulating water line 4 with slurrying tank 1；
Slurrying tank 1 is used to carry out pulp processing to the cyanidation tailings of investment, to obtain pulp liquid；Broken cyanide reaction kettle is for leading to
Cross the cyanide and heavy metal in broken cyanide reaction removal pulp liquid；Chemicals dosing plant 21 is for being added medicament into broken cyanide reaction kettle 2
And catalyst；Air blower 22 is for blasting air into broken cyanide reaction kettle 2；Equipment for separating liquid from solid 3 is used for after broken cyanide reaction
Pulp liquid is separated by solid-liquid separation, and innoxious waste residue and liquid are obtained；Circulating water line 4 is used for liquid to be delivered to slurrying tank 1
Make pulp processing cycle moisturizing.
By the cyanidation tailings harmless treatment device, the cyanide and heavy metal in cyanidation tailings can be effectively removed,
Keep cyanidation tailings innoxious, reach National Hazard waste judging standard, while the cost of producer's dangerous waste discharge is greatly lowered.
In the present embodiment, circulating water line 4, which is equipped with, removes ammonia reactor 41 for ammonia density in control loop moisturizing.
In the present embodiment, equipment for separating liquid from solid 3 uses plate and frame filter press.
In the present embodiment, broken cyanide reaction kettle 2 is equipped with liquidometer, PH meter, ORP meter, DO meter, CN meter and air mass flow
Meter.
In the present embodiment, micro-hole aerator is equipped in broken cyanide reaction kettle 2, micro-hole aerator includes the annular cloth wind of opening
Pipe 231, annular 231 periphery of wind-distributing pipe are furnished with micropore 232, and annular 231 open end of wind-distributing pipe is equipped with connecting flange 233.Micropore exposes
Gas device diameter 1200mm, annular 231 diameter 89mm of wind-distributing pipe, 232 diameter 5mm of micropore.It can be improved by the micro-hole aerator
The contact probability of pulp liquid and medicament improves treatment effeciency.
The utility model is described in further detail below.
The device mainly includes slurrying tank, reaction kettle, ammonia reactor is efficiently removed, chemicals dosing plant, filter press, stirs mortar pump
Device, compressed air system etc. are mixed, main process is pulp, broken cyanide and separation of solid and liquid.
Broken cyanide reaction kettle uses Efficient micropore aeration device.The mechanism of action is by increasing the oxygen in air with cyaniding in ore pulp
The contact area of object, greatly improves oxidation efficiency.The Efficient micropore aeration device of reaction kettle uses base circle air inlet, air inlet uniformity
Stablize, using the power of compressed air disperse, accelerates the reaction speed of cyanide and medicament in ore pulp, the processing capacity of system
20% is improved with treatment effeciency, provides guarantee to reaction kettle continuous and steady operation；This elementary reaction is divided into continuous third-order reaction,
And it is equipped with online cyanide detector in every first order reaction kettle, the reaction time is increased in this way, and cyanide removal efficiency is higher.
It is arranged on circulating water pipe road and efficiently removes ammonia reactor, ammonia density in control loop water.Efficiently except ammonia reactor is adopted
With the principle of chemical precipitation, the ammonia in water is separated in the form of sediment.To realize system water closed cycle.
Enter broken cyanide process after cyanidation tailings pulp, oxidating chemicals and catalyst, warp are added by automation chemicals dosing plant
For pulp conveying to equipment for separating liquid from solid, being separated by solid-liquid separation filter cake can reach general solid waste standard progress again after crossing reaction kettle oxidation reaction
It utilizes, filtrate all returns to slurrying tank after processing, and entire process water all recycles.
In one embodiment, reaction kettle system is defeated by 1#~6# reaction kettle, an ore pulp dashpot and two ore pulps
Send pump group at tailings ore pulp enters 1# reaction kettle from the existing ore slurry pipeline of owner, then sequentially enters 2#~6# reaction kettle, tailings
Ore pulp completes broken cyanide process in 6 reaction kettles, subsequently into the ore pulp dashpot after 6# reaction kettle, is pumped with pulp conveying
Tailings ore pulp is sent to concentrator to enter after original production system carries out filter-press dehydration from ore pulp dashpot and is sold outside.Tailings ore pulp into
Enter to measure the flow of ore pulp equipped with flowmeter on the pipeline of 1# reaction kettle.
Liquidometer is installed on 1#~6# reaction kettle, measures the liquid level of each reaction kettle.
PH meter is installed on 1#~6# reaction kettle and before ore pulp dashpot, measures the pH value of each reaction kettle.
ORP meter is installed before a few ore pulp dashpots on 1#~6# reaction kettle, measures the redox electricity of each reaction kettle
Position.
DO meter is installed on 1#~6# reaction kettle, measures the oxygen content in each reaction kettle.
CN meter is installed on 1#~6# reaction kettle and before ore pulp dashpot, measures ore pulp in raw ore slurry and each reaction kettle
CN- content.
Air flow meter is installed on 1#~6# reaction kettle, measures the air quantity that each reaction kettle blasts.In 1# reaction kettle
Pressure sensor is installed after preceding and pulp conveying pump, measures pipeline pressure.
Medicament preparation system is by 2# medicament preparation system, 3# medicament preparation system, 4# medicament preparation system and 5# medicament system
Standby system forms, and each medicament preparation system is by feed bin and screw conveyor (except 3# and 5# medicament preparation system), medicament system
Standby slot, medicament delivery pump, medicament dashpot and drug metering pump group are at silo design has level-sensing device, bag filter, vacuum to let out
Pressure valve, rapping apparatus, screw conveyor are furnished with weighing balance, and medicament preparation vessel is furnished with blender and liquidometer.To medicament preparation vessel
The water that medicament preparation needs is added in quantification, and medicament enters in medicament preparation vessel after screw conveyor measures from feed bin, through stirring
The stirring for mixing device, is dissolved in water.Medicament conveys through medicament after preparing as requested and is pumped to medicament dashpot, then through medicament
Metering is pumped into reaction kettle.Medicament delivery pump, medicament dashpot, drug metering pump are chemicals dosing plant.
The utility model has the following technical effect that
1, the harmless treatment of cyanidation tailings is realized, the content of cyanide and heavy metal reaches general industrial solid waste
Standard, the removal rate of cyanide reach 99%, and processing cost is low, treatment effeciency is high.
2, the micro-hole aerator that reaction kettle uses improves connecing for ore pulp and medicament using the power of compressed air disperse
Probability is touched, system treatment effeciency improves 20%, shortens except cyanogen process process.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.
Claims (5)
1. a kind of cyanidation tailings harmless treatment device, which is characterized in that including sequentially connected slurrying tank, broken cyanide reaction kettle and
Equipment for separating liquid from solid, the broken cyanide reaction kettle are connected with chemicals dosing plant and air blower, and the equipment for separating liquid from solid passes through recirculated water
Pipeline is connect with the slurrying tank；
The slurrying tank is used to carry out pulp processing to the cyanidation tailings of investment, to obtain pulp liquid；The broken cyanide reaction kettle is used
In pass through broken cyanide reaction removal pulp liquid in cyanide and heavy metal；The chemicals dosing plant is used for into the broken cyanide reaction kettle
Medicament and catalyst is added；The air blower is for blasting air into the broken cyanide reaction kettle；The equipment for separating liquid from solid is used
Pulp liquid after reacting broken cyanide is separated by solid-liquid separation, and obtains innoxious waste residue and liquid；The circulating water line is used for will
The liquid is delivered to the slurrying tank as the moisturizing of pulp processing cycle.
2. cyanidation tailings harmless treatment device according to claim 1, which is characterized in that the circulating water line is equipped with
For control ammonia density in the circular water replenishing except ammonia reactor.
3. cyanidation tailings harmless treatment device according to claim 1, which is characterized in that the equipment for separating liquid from solid is
Plate and frame filter press.
4. cyanidation tailings harmless treatment device according to claim 1, which is characterized in that the broken cyanide reaction kettle installation
There are liquidometer, PH meter, ORP meter, DO meter, CN meter and air flow meter.
5. cyanidation tailings harmless treatment device according to any one of claims 1 to 4, which is characterized in that the broken cyanide
Micro-hole aerator is equipped in reaction kettle, the micro-hole aerator includes the annular wind-distributing pipe of opening, the annular wind-distributing pipe periphery
It is furnished with micropore, the annular wind-distributing pipe open end is equipped with connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920165310.7U CN209476906U (en) | 2019-01-30 | 2019-01-30 | A kind of cyanidation tailings harmless treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920165310.7U CN209476906U (en) | 2019-01-30 | 2019-01-30 | A kind of cyanidation tailings harmless treatment device |
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| Publication Number | Publication Date |
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| CN209476906U true CN209476906U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920165310.7U Active CN209476906U (en) | 2019-01-30 | 2019-01-30 | A kind of cyanidation tailings harmless treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675914A (en) * | 2019-01-30 | 2019-04-26 | 中城华宇（北京）矿业技术有限公司 | A kind of cyanidation tailings method for innocent treatment and device |
-
2019
- 2019-01-30 CN CN201920165310.7U patent/CN209476906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675914A (en) * | 2019-01-30 | 2019-04-26 | 中城华宇（北京）矿业技术有限公司 | A kind of cyanidation tailings method for innocent treatment and device |
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