CN113666467A - Integrated reaction system and control method thereof - Google Patents
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- CN113666467A CN113666467A CN202110977382.3A CN202110977382A CN113666467A CN 113666467 A CN113666467 A CN 113666467A CN 202110977382 A CN202110977382 A CN 202110977382A CN 113666467 A CN113666467 A CN 113666467A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 134
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims description 31
- 239000002699 waste material Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000003814 drug Substances 0.000 claims description 14
- 238000000265 homogenisation Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
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Abstract
The invention discloses an integrated reaction system and a control method thereof, wherein the system comprises: the reaction tank comprises a reaction tank body, wherein a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet are respectively formed in the reaction tank body; the homogenizing tank is fixed on the outer side wall of the reaction tank body and is communicated with the reaction tank body through the first liquid inlet; the stirring device comprises a pump body, wherein a liquid inlet of the pump body is fixedly connected with the first liquid outlet, and a liquid outlet of the pump body is fixedly connected with the second liquid inlet; the liquid inlet of the siphon device is fixedly connected with the second liquid outlet; and the collecting tank is connected with a liquid outlet of the siphoning device. Liquid after the reaction in the reaction tank overflows to the collecting tank through the siphon device, and the equalization tank is utilized to supplement liquid to the reaction tank, so that continuous and uninterrupted production can be realized.
Description
Technical Field
The invention relates to the technical field of multilayer film preparation, in particular to an integrated reaction system and a control method thereof.
Background
In the existing wet smelting technology, each metal production device for recovering and precipitating in waste acid liquor generally adopts single-tank precipitation, single-tank production, liquid inlet, precipitation reaction, single-tank filtration operation and discontinuous production.
The reaction device has the problems of low production efficiency, discontinuous production, unstable indexes, low production operation safety, poor operating environment and the like.
Therefore, the prior art is still subject to further improvement.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an integrated reaction system and a control method thereof, which are used for solving the problem of discontinuous production when metals in a spent acid solution are recovered in the existing hydrometallurgy.
In a first aspect, the present invention provides an integrated reaction system, comprising:
the reaction tank comprises a reaction tank body, wherein a first liquid inlet and a second liquid inlet are respectively formed in the upper part of the reaction tank body, and the first liquid inlet is positioned above the second liquid inlet; the lower part of the reaction tank body is respectively provided with a first liquid outlet and a second liquid outlet; the second liquid outlet is connected with external equipment;
the homogenizing tank is fixed on the outer side wall of the reaction tank body and is communicated with the reaction tank body through the first liquid inlet; and
agitating unit, including the pump body, the inlet of the pump body with first liquid outlet fixed connection, the liquid outlet of the pump body with second inlet fixed connection.
Optionally, the integrated reaction system further includes:
the liquid inlet of the siphon device is fixedly connected with the second liquid outlet;
the collecting tank is connected with a liquid outlet of the siphoning device; and
and the heating device is used for heating the liquid in the reaction tank.
Optionally, the integrated reaction system, wherein the heating device is a steam heating device, and includes a steam heating pipe, and an outlet of the steam heating pipe extends into the reaction tank body.
Optionally, the integrated reaction system, wherein the integrated reaction system further comprises: one end of the flow guide part is fixed on the first liquid inlet, and the other end of the flow guide part extends into the reaction tank body.
Optionally, the integrated reaction system, wherein the reaction tank is vertically arranged, and the position of the first liquid inlet is higher than the position of the second liquid inlet.
Optionally, the integrated reaction system, wherein the integrated reaction system further comprises: a liquid inlet pipe and a medicament pipe which are respectively communicated with the homogenization groove.
Optionally, the integrated reaction system, wherein the reaction tank is made of glass fiber reinforced plastic.
Optionally, the integrated reaction system, wherein the flow guide member is a flow guide pipe, and a flow direction of liquid at an outlet of the flow guide pipe is the same as a stirring direction of liquid inside the reaction tank body.
Optionally, the integrated reaction system, wherein the integrated reaction system further comprises: the first flow meter is connected with the flow guide piece and used for monitoring the flow of liquid in the flow guide piece; the second flowmeter is connected with the siphon device and used for monitoring the flow of liquid in the siphon device.
In a second aspect, the present invention provides a method for controlling an integrated reaction system, comprising:
introducing the waste acid liquid containing the metal to be recovered and the precipitation agent into a homogenizing tank to obtain a mixed liquid;
introducing the mixed solution into a reaction tank, and heating the mixed solution in the reaction tank;
starting a stirring device to stir the mixed liquid in the reaction tank;
and starting a siphon device, and overflowing the reacted mixed liquid in the reaction tank to a collecting tank.
Has the advantages that: the embodiment of the invention provides an integrated reaction system, which comprises: the device comprises a reaction tank, an equalization tank communicated with the reaction tank, a stirring device used for stirring the liquid in the reaction tank, and a siphon device used for overflowing the liquid after reaction in the reaction tank to a collecting tank. Liquid after the reaction in the reaction tank overflows to the collecting tank through the siphon device, and the equalization tank is utilized to supplement liquid to the reaction tank, so that continuous and uninterrupted production can be realized.
Drawings
FIG. 1 is a schematic structural diagram of an integrated reaction system provided in an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an integrated reaction system provided in an embodiment of the present invention.
Detailed Description
The present invention provides an integrated reaction system and a control method thereof, and the present invention will be described in further detail below in order to make the objects, technical solutions, and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In the wet smelting process, a large amount of waste acid liquor is often generated, the waste acid liquor contains valuable metals with a certain concentration, and in order to recover the valuable metals in the waste acid liquor, the waste acid liquor needs to be treated, for example, a certain amount of medicament is added into the waste acid liquor, the medicament can react with the valuable metal ions in the waste acid liquor to form a precipitate, so that the valuable metal ions are separated out from the waste acid liquor, the obtained precipitate is filtered by a plate-and-frame filter press, and the obtained filter residue is separated and extracted, so that the valuable metals are recovered.
In the above recovery process, the conventional process is often a single-tank production, and the single-tank production is a process in which a waste acid solution mixed with a chemical is added to a reaction tank, heated and stirred to cause a reaction, and after the reaction is completed, the waste acid solution is discharged from the reaction tank and sent to a subsequent step for treatment. The above operation is then repeated again. Because production is interrupted every time, need restart heating device and agitating unit after throwing the material again, a large amount of energy has been wasted in restarting of device, simultaneously because production is interrupted, production efficiency is also comparatively low.
As shown in fig. 1 to 2, in order to solve the above technical problem, an embodiment of the present invention provides an integrated reaction system, including: the reactor comprises a reaction tank 10, a homogenizing tank 20 communicated with the reaction tank 10, a stirring device 30 used for stirring liquid in the reaction tank 10, a siphon device 40 communicated with the reaction tank 10 and used for discharging the liquid in the reaction tank, and a collecting tank 50 used for collecting the liquid discharged by the siphon device. It should be noted that the reaction tank is vertically arranged.
In this embodiment, the reaction tank can be supplemented with liquid (waste acid solution mixed with a chemical) through the homogenization tank 20, the liquid in the reaction tank is stirred by the stirring device 30, and then the liquid in the reaction tank overflows to the collecting tank 50 through the siphon device 40, so that uninterrupted production can be realized in the whole process, thereby improving the production efficiency and reducing the production energy consumption.
In this embodiment, the reaction tank 10 includes a reaction tank body 11, the reaction tank body 11 may be cylindrical, an end cap (not shown) may be further disposed on the reaction tank body 11, and an aspect ratio of the cylindrical body 11 may be set according to actual design requirements, for example, the aspect ratio may be set to 2:1,3:1,4:1,5:1, and so on. The reaction tank 10 can be made of glass fiber reinforced plastic, and compared with common stainless steel, the reaction tank made of glass fiber reinforced plastic has stronger corrosion resistance, so that the service life of the equipment is greatly prolonged, and the equipment has stronger adaptability.
In this embodiment, the reaction tanks 10 may be provided in plural numbers as required, and are connected in series with each other, that is, the previous reaction tank is connected to the next reaction tank by a pipe, the outlet of the previous reaction tank is provided at the lower part, the inlet of the next reaction tank is provided at the upper part, and the outlet and the inlet are connected together by a pipe to realize the downward and upward movement.
In this embodiment, the reaction tank body is further provided with a liquid inlet and a liquid outlet, such as a first liquid inlet 12, a second liquid inlet 13, a first liquid outlet 14, and a second liquid outlet 15. It is easy to understand that, when the reaction tank is vertically placed, the first inlet 12, the second inlet 13, the first outlet 14, and the second outlet 15 are distributed at different positions on the reaction tank body 11, such as the first inlet 12, the second inlet 13 is located at the upper portion of the reaction tank body, and the first outlet 14 and the second outlet 15 are located at the lower portion of the reaction tank body.
Illustratively, the first inlet 12 is used for communicating the equalization tank 20 with the reaction tank body 11, that is, the equalization tank 20 is fixed at the first inlet 12. The waste acid solution and the medicament are firstly mixed uniformly in the homogenizing tank and then flow into the reaction tank 10 through the first liquid inlet 12. It is easily understood that the waste acid solution and the chemical agent may be delivered to the homogenization tank through delivery pipes. The addition amount of waste acid and the addition amount of the reagent in the liquid inlet pipe can be controlled according to the process ratio given by experiments.
The second inlet 13 with first liquid outlet 14 for be connected with the pump body among the agitating unit, with the inlet and the first liquid outlet 14 pipe connection of the pump body, with the liquid outlet and the second inlet 13 pipe connection of the pump body, that is to say, utilize the pump body to extract the mixed liquid of spent acid and medicament from the bottom of reaction tank, then flow into reaction tank 10 once more through second inlet 13, utilize the work of the pump body to make the liquid (spent acid, medicament) in the reaction tank take place to flow, form the swirl, play the stirring effect. By adopting a pump circulation stirring mode, the problem that the reagent cannot be fully contacted with waste acid by adopting a stirring paddle is avoided.
The second liquid outlet 15 is used for communicating with a siphon in the siphon device, and liquid in the reaction tank overflows through the siphon action of the siphon, such as overflowing into the collecting tank. And the overflow is integrated with the collecting tank in a siphon mode, so that the power loss is reduced, and stable, continuous and balanced operation is realized.
In an implementation manner of this embodiment, the integrated reaction system further includes a heating device 60, the heating device can heat the liquid in the reaction tank, the heating device can be water heating or steam heating, a jacket can be disposed outside the reaction tank by using water heating, and heating can be achieved by introducing hot water into the jacket. The steam heating can be adopted to introduce the steam into the reaction tank through a steam pipeline, and the liquid in the reaction tank is heated by the steam. It is easy to understand that a temperature detection device, such as a temperature control probe, is also arranged on the reaction tank, and the temperature of the liquid in the reaction tank is monitored through the temperature control probe, so that the temperature is controlled within a process range, and the normal operation of the reaction is ensured.
In an implementation manner of this embodiment, the integrated reaction system further includes a flow guide member 70, and the flow guide member 70 is fixed at the first liquid inlet 12 and is located inside the reaction tank. The flow guide member 70 is arranged at an angle of 45-75 degrees with the diameter direction of the reaction tank, so that short circuit is avoided.
Illustratively, the flow guide piece is a flow guide pipe piece, waste acid and a medicament in the homogenization tank are mixed and then flow into the reaction tank through the flow guide pipe piece, and the direction of the waste acid and the medicament in the homogenization tank flowing out of the flow guide pipe piece after being mixed is consistent with the stirring direction of liquid in the reaction tank, so that the waste acid and the medicament can be fully reacted, the short circuit is avoided (the stirred liquid obstructs the liquid in the flow guide pipe piece to flow out), and the reaction efficiency is reduced.
In this embodiment, the length of water conservancy diversion spare is less than the radial 1/4 of reaction tank body, the water conservancy diversion spare can be an arc pipe fitting, the cambered surface of arc pipe fitting is provided with a plurality of through-holes towards the upper portion of reaction tank, the inboard of cambered surface, a plurality of through-holes can carry out the cloth liquid to liquid, make the relatively even inflow reaction tank of the liquid of newly-inserting to be convenient for mixed more even.
In one implementation of this embodiment, the integrated reaction system further includes two flow meters, such as a first flow meter 81 disposed near the equalization tank for monitoring the liquid flow in the diversion member, and a second flow meter 82 disposed on the siphon device for monitoring the liquid flow in the siphon tube of the siphon device. The flow of the liquid in the reaction tank is monitored, and the liquid flowing into the reaction tank from the homogenization tank is controlled according to the monitoring result, so that the power loss is reduced, and the liquid in the reaction tank is kept in dynamic balance. Thereby realizing integrated and automatic operation.
Based on the same inventive concept, the embodiment of the present invention further provides a control method of an integrated reaction system, where the method includes:
and S1, introducing the waste acid liquor containing the metal to be recovered and the precipitation agent into a homogenizing tank to obtain a mixed liquor.
Specifically, the waste acid liquid is pumped into the homogenizing tank through a liquid inlet pipeline, meanwhile, a medicament (such as a metal flocculant) is pumped into the homogenizing tank through a pipeline, and the adding amount of the waste acid and the medicament is controlled, wherein the control can be controlled according to a process established according to a detection result of an experiment in advance. It is easy to understand that the control of the waste acid liquid and the medicament can be realized by arranging an automatic control valve on the conveying pipeline, and adjusting the opening and closing of the automatic control valve according to the process setting, so as to control the ratio of the waste acid liquid and the medicament.
And S2, introducing the mixed solution into a reaction tank, and heating the mixed solution in the reaction tank.
Specifically, the mixed solution of the waste acid solution and the chemical in the homogenization tank is added to the reaction tank, and it is easily understood that the waste acid solution and the chemical are both fed into the homogenization tank through a pipeline, and the mixed solution has a certain speed, so that the mixed solution can automatically flow into the reaction tank. When the mixed liquid in the reaction tank reaches a certain height, the heating device is started to heat the mixed liquid in the reaction tank, and if steam is introduced into the reaction tank, the mixed liquid is heated by utilizing the hot steam. It should be noted that, a temperature detection probe is further disposed on the reaction tank for detecting the temperature of the mixed liquid in the reaction tank, so as to find out the temperature abnormality in time and ensure that the temperature in the reaction tank does not fluctuate greatly.
And S3, starting a stirring device to stir the mixed liquid in the reaction tank.
Particularly, agitating unit includes a pump body, the inlet of pump body and the bottom intercommunication of reaction tank, export and the upper portion intercommunication of reaction tank, wherein, the pump body can be the inverter pump.
After the pump body is opened, mixed liquid can be extracted from the bottom of the reaction tank and then flows into the reaction tank from the upper part of the reaction tank, so that the mixed liquid in the reaction tank flows to form a vortex, and the stirring effect is achieved. By adopting a pump circulation stirring mode, the problem that the reagent cannot be fully contacted with waste acid by adopting a stirring paddle is avoided.
And S4, starting a siphon device, and overflowing the reacted mixed liquid in the reaction tank to a collecting tank.
Specifically, after the mixed liquid in the reaction tank reacts for a predetermined time, for example, 20 minutes, the siphon device is turned on, that is, the mixed liquid at the lower part of the reaction tank (near the bottom of the reaction tank) is transferred to the collection tank by the siphon tube and collected.
In this embodiment, a flow meter is further provided at the outlet of the siphon tube to monitor the flowing-out mixed liquid, and a flow meter is also provided at the outlet of the homogenization tank to monitor the flow rate of the mixed liquid flowing into the reaction tank. The flow of the mixed liquid entering and exiting the reaction tank is monitored, and the mixed liquid can be reasonably regulated and controlled, so that the liquid level in the reaction tank is in a dynamic balance state.
In this embodiment, the liquid level in the reaction tank is always in a dynamic equilibrium state, that is, the reaction system can work continuously, thereby improving the production efficiency.
In one implementation of this embodiment, when a certain amount of the liquid is collected in the collection tank, the liquid can be pumped to the next process, such as a plate and frame filter press for filter pressing.
In summary, the present invention provides an integrated reaction system and a control method thereof, wherein the system comprises: the device comprises a reaction tank, a homogenizing tank communicated with the reaction tank, a stirring device for stirring liquid in the reaction tank, a steam pipeline for heating the liquid in the reaction tank and a siphon device for overflowing the liquid in the reaction tank. Liquid after the reaction in the reaction tank overflows to the collecting tank through the siphon device, and the equalization tank is utilized to supplement liquid to the reaction tank, so that continuous and uninterrupted production can be realized.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. An integrated reaction system, comprising:
the reaction tank comprises a reaction tank body, wherein a first liquid inlet and a second liquid inlet are respectively formed in the upper part of the reaction tank body, and the first liquid inlet is positioned above the second liquid inlet; the lower part of the reaction tank body is respectively provided with a first liquid outlet and a second liquid outlet; the second liquid outlet is connected with external equipment;
the homogenizing tank is fixed on the outer side wall of the reaction tank body and is communicated with the reaction tank body through the first liquid inlet; and
agitating unit, including the pump body, the inlet of the pump body with first liquid outlet fixed connection, the liquid outlet of the pump body with second inlet fixed connection.
2. The integrated reaction system of claim 1, further comprising:
the liquid inlet of the siphon device is fixedly connected with the second liquid outlet;
the collecting tank is connected with a liquid outlet of the siphoning device; and
and the heating device is used for heating the liquid in the reaction tank.
3. The integrated reaction system of claim 2, wherein the heating device is a steam heating device comprising a steam heating pipe, and an outlet of the steam heating pipe extends into the reaction tank body.
4. The integrated reaction system of claim 1, further comprising: one end of the flow guide part is fixed on the first liquid inlet, and the other end of the flow guide part extends into the reaction tank body.
5. The integrated reaction system of claim 1, wherein the reaction tank is vertically arranged, and the first liquid inlet is higher than the second liquid inlet.
6. The integrated reaction system of claim 1, further comprising: a liquid inlet pipe and a medicament pipe which are respectively communicated with the homogenization groove.
7. The integrated reaction system of claim 1, wherein the reaction tank is made of glass fiber reinforced plastic.
8. The integrated reaction system of claim 4, wherein the flow guide member is a flow guide pipe, and the flow direction of the liquid at the outlet of the flow guide pipe is the same as the stirring direction of the liquid in the reaction tank body.
9. The integrated reaction system of claim 4, further comprising: the first flow meter is connected with the flow guide piece and used for monitoring the flow of liquid in the flow guide piece; the second flowmeter is connected with the siphon device and used for monitoring the flow of liquid in the siphon device.
10. A method of controlling an integrated reaction system, comprising:
introducing the waste acid liquid containing the metal to be recovered and the precipitation agent into a homogenizing tank to obtain a mixed liquid;
introducing the mixed solution into a reaction tank, and heating the mixed solution in the reaction tank;
starting a stirring device to stir the mixed liquid in the reaction tank;
and starting a siphon device, and overflowing the reacted mixed liquid in the reaction tank to a collecting tank.
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2021
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| CN112537834A (en) * | 2020-12-23 | 2021-03-23 | 金川集团股份有限公司 | Method for removing heavy metal ions in wastewater |
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Application publication date: 20211119 |