WO2017193726A1 - Solution purification system and method - Google Patents

Solution purification system and method Download PDF

Info

Publication number
WO2017193726A1
WO2017193726A1 PCT/CN2017/078658 CN2017078658W WO2017193726A1 WO 2017193726 A1 WO2017193726 A1 WO 2017193726A1 CN 2017078658 W CN2017078658 W CN 2017078658W WO 2017193726 A1 WO2017193726 A1 WO 2017193726A1
Authority
WO
WIPO (PCT)
Prior art keywords
solution
zinc powder
conduit
delivery conduit
pipe
Prior art date
Application number
PCT/CN2017/078658
Other languages
French (fr)
Chinese (zh)
Inventor
陆业大
韦林奎
王鸿振
杨德志
李涛
舒毓璋
申美玲
陈兴
Original Assignee
中国恩菲工程技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国恩菲工程技术有限公司 filed Critical 中国恩菲工程技术有限公司
Publication of WO2017193726A1 publication Critical patent/WO2017193726A1/en

Links

Images

Classifications

    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/02—Apparatus therefor
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
    • 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

Definitions

  • the present invention is in the field of chemical engineering, and in particular, the present invention relates to a system and method for purifying a solution.
  • the zinc powder is used for the displacement reaction to remove the impurities.
  • the stirring tank is generally used as the reaction vessel and the reaction is promoted by strong stirring. Although the solution and the solid zinc powder particles can be sufficiently contacted in this way, the stirring strength of the stirring tank is limited, the ion diffusion around the particles is relatively slow, the reaction time is long, the reaction speed is slow, and the utilization rate of the zinc powder is low.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, it is an object of the present invention to provide a system and method for purifying a solution which can greatly optimize the process parameters in the replacement process, thereby not only ensuring the continuity of the original operation, but also eliminating the need for external agitation. The resulting power consumption and equipment investment.
  • the invention provides a system for purifying a solution comprising, according to an embodiment of the invention:
  • a zinc powder supply device connected to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor.
  • the system for purifying a solution performs the reaction by using a pipe reactor instead of the agitation tank, and during the reaction, the feed pump is powered to make the fluid have a higher flow velocity, generating turbulence and turbulent energy.
  • the thickness of the surface diffusion layer of the solid zinc powder is greatly reduced, thereby improving the reaction kinetic conditions and improving the reaction efficiency, thereby further improving the replacement efficiency of the metal ions in the solution.
  • the process parameters in the replacement process can be obtained after using the system. The large degree of optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
  • system for purifying a solution according to the above embodiment of the present invention may further have the following additional technical features:
  • the pipeline reactor is a spiral conduit or a straight conduit.
  • the turbulence and turbulence of the fluid can be significantly increased, thereby improving the replacement efficiency of the metal ions in the solution.
  • the elbow of the spiral conduit is a steel liner PO or a steel liner F4.
  • At least one pipe mixer is separately disposed on the first conveying pipe and the second conveying pipe. Thereby, the replacement efficiency of metal ions in the solution can be further improved.
  • the invention provides a method of purifying a solution.
  • the method is carried out using a system for purifying a solution as described above.
  • the method comprises:
  • the method for purifying a solution performs a reaction by using a pipe reactor instead of a stirring tank, and during the reaction, power is supplied to the feed pump so that the fluid has a higher flow velocity, and turbulence and turbulent energy are generated.
  • the thickness of the surface diffusion layer of the solid zinc powder is greatly reduced, thereby improving the reaction kinetic conditions and improving the reaction efficiency, thereby further improving the replacement efficiency of the metal ions in the solution.
  • the process parameters can be obtained in each replacement process.
  • the large degree of optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
  • the method of purifying a solution according to the above embodiment of the present invention may further have the following additional technical features:
  • the zinc powder is provided in a solid form or in a slurry form.
  • the temperature of the reduction reaction is from 50 to 90 degrees Celsius.
  • the reduction reaction is carried out for a period of from 1 to 10 minutes.
  • the zinc powder has a coefficient of use of from 1.05 to 1.2.
  • FIG. 1 is a schematic view showing the structure of a system for purifying a solution according to an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
  • a system for purifying a solution includes a solution storage device 100, a first delivery conduit 200, a feed pump 300, a second delivery conduit 400, a conduit reactor 500, and a zinc powder supply device 600.
  • the solution storage device 100 is adapted to store a solution.
  • the “solution” herein may contain any metal ion which can be reduced by zinc powder, for example, the metal ion may be at least one of copper ion, lead ion, cobalt ion and cadmium ion, and the like.
  • the “solution storage device” may be any device for storing any structure in the prior art, and those skilled in the art may select according to actual needs.
  • the first delivery conduit 200 is coupled to the solution storage device 100 and is adapted to transport the metal ion-containing solution in the solution storage device to subsequent devices.
  • At least one pipe mixer may be disposed on the first conveying pipe 200 (not shown), for example, a plurality of pipe mixers may be provided on the first conveying pipe, so that the turbulence and turbulence of the solution can be remarkably improved, thereby improving the replacement efficiency of metal ions in the solution.
  • the feed pump 300 is coupled to the first delivery conduit 200 and is adapted to increase the flow rate of the solution fluid in the subsequent second delivery conduit and the conduit reactor, thereby significantly increasing the turbulence and turbulence of the solution. Further, the replacement efficiency of metal ions in the solution is further improved. It should be noted that those skilled in the art can select the specific type of feed pump according to the actual fluid flow rate.
  • the second delivery conduit 400 is connected to the feed pump 300 and is adapted to deliver a solution containing metal ions to a subsequent conduit reactor via a feed pump.
  • At least one pipe mixer may be disposed on the second conveying pipe 400.
  • a plurality of pipe mixers may be disposed on the second conveying pipe, so that the turbidity of the solution may be remarkably improved.
  • the degree of flow and turbulence further increases the displacement efficiency of metal ions in the solution.
  • the pipe reactor 500 is connected to the second transfer pipe 400, and is adapted to cause the metal ions in the solution to be in sufficient contact with the zinc powder to undergo a reduction reaction, thereby obtaining a slurry, and may be subjected to pressure filtration or the like according to actual needs.
  • the post-liquid and the reducing slag can be separated by means.
  • the pipeline reactor can be a spiral conduit or a straight conduit.
  • the turbulence and turbulence of the solution fluid can be significantly improved, thereby ensuring sufficient contact between the metal ions in the solution and the zinc powder, thereby improving the replacement efficiency of the metal ions in the solution.
  • those skilled in the art can select the length of the pipeline reactor according to actual needs, as long as the metal ions in the solution are sufficiently reacted with the zinc powder.
  • the elbow of the spiral pipe may be a steel lining PO piece or a steel lining F4 piece.
  • the zinc powder supply device 600 may be coupled to at least one of the first delivery conduit 200, the second delivery conduit 400, and the conduit reactor 500, and is adapted to be delivered to the first delivery conduit 200, the second delivery conduit 200 At least one of the conduit 400 and the conduit reactor 500 supplies zinc powder, as shown for example in FIG. 1, and the zinc powder supply device 600 is connected to both the first delivery conduit 200, the second delivery conduit 400, and the conduit reactor 500.
  • the supply form of the zinc powder in the zinc powder supply device is not particularly limited, and those skilled in the art may select according to actual needs.
  • the zinc powder may be in a solid form or Slurry form is provided. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
  • the amount of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs.
  • the zinc powder may have a dosage coefficient of 1.05 to 1.2.
  • the "amount factor" in this paper can be understood as 0.05 to 0.2 times more than the theoretical amount used. The inventors have found that if the amount of zinc powder added is too small, the purification and impurity removal may be incomplete, and the impurity element in the solution is high, and if the amount of zinc powder is added, Too much can eliminate the impurities, but it will lead to higher zinc in the solution, increase the consumption of zinc powder and increase the cost.
  • the temperature at which the zinc powder is reduced with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs.
  • the zinc powder and the solution The temperature at which the metal ion is reduced may be 50 to 90 degrees Celsius. The inventors have found that the replacement efficiency of the metal ions in the zinc powder and the solution can be significantly increased at this temperature.
  • the time for the zinc powder to undergo a reduction reaction with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs.
  • the zinc powder and the solution The time during which the metal ion is reduced may be from 1 to 10 minutes. The inventors have found that the metal ions in the solution can be sufficiently reacted with the zinc powder in this time range, thereby further improving the replacement efficiency of metal ions in the solution.
  • the system for purifying a solution performs a reaction by using a pipeline reactor instead of a stirring tank.
  • the feed pump is powered to make the fluid have a higher flow velocity, and the turbulence and turbulence generated are greatly reduced.
  • the thickness of the surface of the small solid zinc powder diffuses to improve the reaction kinetic conditions and improve the reaction efficiency, which can significantly improve the replacement efficiency of metal ions in the solution.
  • the process parameters in each replacement process can be greatly improved. Optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
  • the invention provides a method of purifying a solution.
  • the method is carried out using the system for purifying the solution described above.
  • the method comprises: supplying a solution in the solution storage device to the pipeline reactor via the first delivery conduit, the feed pump and the second delivery conduit in sequence Supplying zinc powder in the zinc powder supply device to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor to cause the zinc powder to be in the solution
  • the metal ion undergoes a reduction reaction to obtain a reducing slag and a post-liquid.
  • the inventors have found that by using a pipeline reactor instead of a stirred tank for the reaction, the feed pump is powered during the reaction, so that the fluid has a higher flow rate, and the turbulence and turbulence generated can greatly reduce the surface diffusion of the solid zinc powder.
  • the layer thickness thereby improving the reaction kinetic conditions and improving the reaction efficiency, can significantly improve the replacement efficiency of metal ions in the solution.
  • the process parameters can be greatly optimized in each replacement process, which not only ensures the original There is continuity of operation, and the power consumption and equipment investment caused by external agitation are eliminated. It should be noted that the features and advantages described above for the system for purifying the solution are equally applicable to the method of purifying the solution, and are not described herein again.
  • the supply form of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs.
  • the zinc powder may be provided in a solid form or a slurry form. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
  • the supply form of the zinc powder in the zinc powder supply device is not particularly limited, and those skilled in the art may select according to actual needs.
  • the zinc powder may be in a solid form or Slurry form is provided. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
  • the amount of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs.
  • the zinc powder may have a dosage coefficient of 1.05 to 1.2. The inventors have found that if the amount of zinc powder added is too small, the purification and impurity removal are incomplete, and the impurity element in the solution is high, and if the amount of zinc powder is too large, the impurity removal can be more complete, but the zinc content in the solution is higher. And increase the consumption of zinc powder and increase the cost.
  • the temperature at which the zinc powder is reduced with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs.
  • the zinc powder and the solution The temperature at which the metal ion is reduced may be 50 to 90 degrees Celsius. The inventors have found that the replacement efficiency of the metal ions in the zinc powder and the solution can be significantly increased at this temperature.
  • the time for the zinc powder to undergo a reduction reaction with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs.
  • the zinc powder and the solution The time during which the metal ion is reduced may be from 1 to 10 minutes. The inventors have found that the metal ions in the solution can be sufficiently reacted with the zinc powder in this time range, thereby further improving the replacement efficiency of metal ions in the solution.
  • the 1 m 3 cobalt-containing solution is sequentially supplied to the pipeline reactor through the first conveying pipe, the feed pump, and the second conveying pipe, and is supplied to the first conveying pipe, the second conveying pipe, and the pipe reactor through the zinc powder supply device.
  • the zinc powder causes the zinc powder and the cobalt ion in the cobalt solution to be reduced in the pipeline reactor, the reaction temperature is 80-90 ° C, the reaction time is 5 min, the zinc powder dosage coefficient is 1.2, and the slurry obtained by the reaction is pressed. After filtration, the cobalt content in the solution after removal of cobalt is less than 0.2 mg/L.
  • the 1m 3 copper-containing solution is sequentially supplied to the pipeline reactor through the first conveying pipe, the feed pump and the second conveying pipe, and is supplied to the first conveying pipe, the second conveying pipe and the pipe reactor through the zinc powder supply device.
  • the zinc powder causes the zinc ion and the copper ion in the copper solution to be reduced in the pipeline reactor, the reaction temperature is 50-60 ° C, the reaction time is 5 min, the zinc powder dosage coefficient is 1.05, and the slurry obtained by the reaction is pressed. After the filtration treatment, the copper content in the liquid after removing copper is less than 0.2 mg/L.

Abstract

A solution purification system and method. The system comprises: a solution storage apparatus (100); a first conveying pipe (200) connected to the solution storage apparatus (100); a feed pump 6 (300) connected to the first conveying pipe (200); a second conveying pipe (400) connected to the feed pump (300); a pipe reactor (500) connected to the second conveying pipe (400); and a zinc powder supplying device (600) connected to at least one of the following: the first conveying pipe (200), second conveying pipe (400), and the pipe reactor (500).

Description

净化溶液的***和方法System and method for purifying a solution 技术领域Technical field
本发明属于化工技术领域，具体而言，本发明涉及一种净化溶液的***和方法。The present invention is in the field of chemical engineering, and in particular, the present invention relates to a system and method for purifying a solution.
背景技术Background technique
传统湿法冶炼工艺中，采用锌粉进行置换反应对溶液进行除杂，设计中一般采用搅拌槽作为反应容器并以强搅拌的方式促进反应的进行。这种方式溶液与固体锌粉颗粒虽然能够充分接触，但是搅拌槽搅拌强度有限，导致颗粒周围离子扩散相对较慢，反应时间长，反应速度较慢，且锌粉利用率偏低。In the traditional wet smelting process, the zinc powder is used for the displacement reaction to remove the impurities. In the design, the stirring tank is generally used as the reaction vessel and the reaction is promoted by strong stirring. Although the solution and the solid zinc powder particles can be sufficiently contacted in this way, the stirring strength of the stirring tank is limited, the ion diffusion around the particles is relatively slow, the reaction time is long, the reaction speed is slow, and the utilization rate of the zinc powder is low.
因此，现有的净化溶液的工艺有待进一步改进。Therefore, the existing process for purifying the solution needs to be further improved.
发明内容Summary of the invention
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的一个目的在于提出一种净化溶液的***和方法，该***可以得到极大程度的优化置换工序中工艺参数，不但保证了原有操作的连续性，而且省去了外加搅拌造成的电能消耗与设备投资。The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, it is an object of the present invention to provide a system and method for purifying a solution which can greatly optimize the process parameters in the replacement process, thereby not only ensuring the continuity of the original operation, but also eliminating the need for external agitation. The resulting power consumption and equipment investment.
在本发明的一个方面，本发明提出了一种净化溶液的***，根据本发明的实施例，该***包括：In one aspect of the invention, the invention provides a system for purifying a solution comprising, according to an embodiment of the invention:
溶液存储装置；Solution storage device;
第一输送管道，所述第一输送管道与所述溶液存储装置相连；a first delivery conduit, the first delivery conduit being connected to the solution storage device;
给料泵，所述给料泵与所述第一输送管道相连；a feed pump connected to the first delivery pipe;
第二输送管道，所述第二输送管道与所述给料泵相连；a second delivery conduit, the second delivery conduit being connected to the feed pump;
管道反应器，所述管道反应器与所述第二输送管道相连；以及a pipeline reactor connected to the second delivery conduit;
锌粉供给装置，所述锌粉供给装置与所述第一输送管道、所述第二输送管道和所述管道反应器中的至少之一相连。a zinc powder supply device connected to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor.
由此，根据本发明实施例的净化溶液的***通过采用管道反应器代替搅拌槽进行反应，反应过程中，通过给料泵提供动力，使得流体具有较高流速，产生的紊流和湍流能极大程度减小固体锌粉表面扩散层厚度，从而改善反应动力学条件并提高反应效率，进而可以显著提高溶液中金属离子的置换效率，同时采用该***后，各置换工序中工艺参数可以得到极大程度的优化，不但保证了原有操作的连续性，而且省去了外加搅拌造成的电能消耗与设备投资。Thus, the system for purifying a solution according to an embodiment of the present invention performs the reaction by using a pipe reactor instead of the agitation tank, and during the reaction, the feed pump is powered to make the fluid have a higher flow velocity, generating turbulence and turbulent energy. The thickness of the surface diffusion layer of the solid zinc powder is greatly reduced, thereby improving the reaction kinetic conditions and improving the reaction efficiency, thereby further improving the replacement efficiency of the metal ions in the solution. At the same time, the process parameters in the replacement process can be obtained after using the system. The large degree of optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
另外，根据本发明上述实施例的净化溶液的***还可以具有如下附加的技术特征： Further, the system for purifying a solution according to the above embodiment of the present invention may further have the following additional technical features:
在本发明的一些实施例中，所述管道反应器为螺旋管道或直管道。由此，可以显著提高流体的紊流和湍流程度，从而提高溶液中金属离子的置换效率。In some embodiments of the invention, the pipeline reactor is a spiral conduit or a straight conduit. Thereby, the turbulence and turbulence of the fluid can be significantly increased, thereby improving the replacement efficiency of the metal ions in the solution.
在本发明的一些实施例中，所述螺旋管道的弯头为钢衬PO件或钢衬F4件。In some embodiments of the invention, the elbow of the spiral conduit is a steel liner PO or a steel liner F4.
在本发明的一些实施例中，所述第一输送管道和所述第二输送管道上分别独立的设置至少一个管道混合器。由此，可以进一步提高溶液中金属离子的置换效率。In some embodiments of the invention, at least one pipe mixer is separately disposed on the first conveying pipe and the second conveying pipe. Thereby, the replacement efficiency of metal ions in the solution can be further improved.
在本发明的另一个方面，本发明提出了一种净化溶液的方法。根据本发明的实施例，该方法是采用上述净化溶液的***进行的。根据本发明的具体实施例，该方法包括：In another aspect of the invention, the invention provides a method of purifying a solution. According to an embodiment of the invention, the method is carried out using a system for purifying a solution as described above. According to a particular embodiment of the invention, the method comprises:
将所述溶液存储装置中的溶液依次经所述第一输送管道、所述给料泵和所述第二输送管道供给至所述管道反应器中；Supplying the solution in the solution storage device to the pipeline reactor through the first delivery pipe, the feed pump and the second delivery pipe;
将所述锌粉供给装置中的锌粉供给至所述第一输送管道、所述第二输送管道和所述管道反应器中的至少之一，以便使得所述锌粉与所述溶液中金属离子发生还原反应，得到还原渣和后液。Supplying zinc powder in the zinc powder supply device to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor to cause the zinc powder and the metal in the solution The ion undergoes a reduction reaction to obtain a reducing slag and a post-liquid.
由此，根据本发明实施例的净化溶液的方法通过采用管道反应器代替搅拌槽进行反应，反应过程中，通过给料泵提供动力，使得流体具有较高流速，产生的紊流和湍流能极大程度减小固体锌粉表面扩散层厚度，从而改善反应动力学条件并提高反应效率，进而可以显著提高溶液中金属离子的置换效率，同时采用该方法后，各置换工序中工艺参数可以得到极大程度的优化，不但保证了原有操作的连续性，而且省去了外加搅拌造成的电能消耗与设备投资。Thus, the method for purifying a solution according to an embodiment of the present invention performs a reaction by using a pipe reactor instead of a stirring tank, and during the reaction, power is supplied to the feed pump so that the fluid has a higher flow velocity, and turbulence and turbulent energy are generated. The thickness of the surface diffusion layer of the solid zinc powder is greatly reduced, thereby improving the reaction kinetic conditions and improving the reaction efficiency, thereby further improving the replacement efficiency of the metal ions in the solution. At the same time, the process parameters can be obtained in each replacement process. The large degree of optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
另外，根据本发明上述实施例的净化溶液的方法还可以具有如下附加的技术特征：Further, the method of purifying a solution according to the above embodiment of the present invention may further have the following additional technical features:
在本发明的一些实施例中，所述锌粉以固态形式或浆化形式提供。In some embodiments of the invention, the zinc powder is provided in a solid form or in a slurry form.
在本发明的一些实施例中，所述还原反应的温度为50～90摄氏度。In some embodiments of the invention, the temperature of the reduction reaction is from 50 to 90 degrees Celsius.
在本发明的一些实施例中，所述还原反应的时间为1～10分钟。In some embodiments of the invention, the reduction reaction is carried out for a period of from 1 to 10 minutes.
在本发明的一些实施例中，所述锌粉的用量系数为1.05～1.2。In some embodiments of the invention, the zinc powder has a coefficient of use of from 1.05 to 1.2.
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。The additional aspects and advantages of the invention will be set forth in part in the description which follows.
附图说明DRAWINGS
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from
图1是根据本发明一个实施例的净化溶液的***结构示意图。BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a system for purifying a solution according to an embodiment of the present invention.
发明详细描述 Detailed description of the invention
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Out, Clockwise, Counterclockwise, Axial The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or The elements must have a particular orientation, are constructed and operated in a particular orientation and are therefore not to be construed as limiting.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
在本发明的一个方面，本发明提出了一种净化溶液的***。参考图1，根据本发明实施例的净化溶液的***包括：溶液存储装置100、第一输送管道200、给料泵300、第二输送管道400、管道反应器500和锌粉供给装置600。In one aspect of the invention, the invention provides a system for purifying a solution. Referring to FIG. 1, a system for purifying a solution according to an embodiment of the present invention includes a solution storage device 100, a first delivery conduit 200, a feed pump 300, a second delivery conduit 400, a conduit reactor 500, and a zinc powder supply device 600.
根据本发明的实施例，溶液存储装置100适于存储溶液。需要说明的是，本文中的“溶液”中可以含有任何可被锌粉还原的金属离子，例如金属离子可以为铜离子、铅离子、钴离子和镉离子等中的至少之一，并且本文中的“溶液存储装置”可以为现有技术中用于存储溶液的任何结构的装置，本领域技术人可以根据实际需要进行选择。According to an embodiment of the invention, the solution storage device 100 is adapted to store a solution. It should be noted that the “solution” herein may contain any metal ion which can be reduced by zinc powder, for example, the metal ion may be at least one of copper ion, lead ion, cobalt ion and cadmium ion, and the like. The "solution storage device" may be any device for storing any structure in the prior art, and those skilled in the art may select according to actual needs.
根据本发明的实施例，第一输送管道200与溶液存储装置100相连，且适于将溶液存储装置中的含有金属离子的溶液运输至后续的各装置中。In accordance with an embodiment of the present invention, the first delivery conduit 200 is coupled to the solution storage device 100 and is adapted to transport the metal ion-containing solution in the solution storage device to subsequent devices.
根据本发明的具体实施例，第一输送管道200上可以设置有至少一个管道混合器 (未示出)，例如可以在第一输送管道上设置多个管道混合器，从而可以显著提高溶液的紊流和湍流程度，进而提高溶液中金属离子的置换效率。According to a specific embodiment of the present invention, at least one pipe mixer may be disposed on the first conveying pipe 200 (not shown), for example, a plurality of pipe mixers may be provided on the first conveying pipe, so that the turbulence and turbulence of the solution can be remarkably improved, thereby improving the replacement efficiency of metal ions in the solution.
根据本发明的实施例，给料泵300与第一输送管道200相连，且适于提高后续第二输送管道和管道反应器中溶液流体的流速，从而可以显著提高溶液的紊流和湍流程度，进而进一步提高溶液中金属离子的置换效率。需要说明的是，本领域技术人员可以根据实际流体流速需要对给料泵的具体类型进行选择。According to an embodiment of the present invention, the feed pump 300 is coupled to the first delivery conduit 200 and is adapted to increase the flow rate of the solution fluid in the subsequent second delivery conduit and the conduit reactor, thereby significantly increasing the turbulence and turbulence of the solution. Further, the replacement efficiency of metal ions in the solution is further improved. It should be noted that those skilled in the art can select the specific type of feed pump according to the actual fluid flow rate.
根据本发明的实施例，第二输送管道400与给料泵300相连，且适于通过给料泵将含有金属离子的溶液输送至后续的管道反应器中。According to an embodiment of the invention, the second delivery conduit 400 is connected to the feed pump 300 and is adapted to deliver a solution containing metal ions to a subsequent conduit reactor via a feed pump.
根据本发明的具体实施例，第二输送管道400上可以设置有至少一个管道混合器(未示出)，例如可以在第二输送管道上设置多个管道混合器，从而可以显著提高溶液的紊流和湍流程度，进而进一步提高溶液中金属离子的置换效率。According to a specific embodiment of the present invention, at least one pipe mixer (not shown) may be disposed on the second conveying pipe 400. For example, a plurality of pipe mixers may be disposed on the second conveying pipe, so that the turbidity of the solution may be remarkably improved. The degree of flow and turbulence further increases the displacement efficiency of metal ions in the solution.
根据本发明的实施例，管道反应器500与第二输送管道400相连，且适于使得溶液中的金属离子与锌粉充分接触发生还原反应，从而得到浆液，并且可以根据实际需要采用压滤等手段即可分离得到后液和还原渣。According to an embodiment of the present invention, the pipe reactor 500 is connected to the second transfer pipe 400, and is adapted to cause the metal ions in the solution to be in sufficient contact with the zinc powder to undergo a reduction reaction, thereby obtaining a slurry, and may be subjected to pressure filtration or the like according to actual needs. The post-liquid and the reducing slag can be separated by means.
根据本发明的一个具体实施例，管道反应器可以为螺旋管道或直管道。由此，可以显著提高溶液流体的紊流和湍流程度，从而保证溶液中的金属离子与锌粉充分接触，进而提高溶液中金属离子的置换效率。需要说明的是，本领域技术人员可以根据实际需要对管道反应器的长度进行选择，只要能保证溶液中金属离子与锌粉充分反应即可。According to a particular embodiment of the invention, the pipeline reactor can be a spiral conduit or a straight conduit. Thereby, the turbulence and turbulence of the solution fluid can be significantly improved, thereby ensuring sufficient contact between the metal ions in the solution and the zinc powder, thereby improving the replacement efficiency of the metal ions in the solution. It should be noted that those skilled in the art can select the length of the pipeline reactor according to actual needs, as long as the metal ions in the solution are sufficiently reacted with the zinc powder.
根据本发明的再一个具体实施例，螺旋管道的弯头可以为钢衬PO件或钢衬F4件。由此，可以显著提高管道反应器的使用寿命。According to still another embodiment of the present invention, the elbow of the spiral pipe may be a steel lining PO piece or a steel lining F4 piece. Thereby, the service life of the pipeline reactor can be significantly improved.
根据本发明的实施例，锌粉供给装置600可以与第一输送管道200、第二输送管道400和管道反应器500中的至少之一相连，且适于向第一输送管道200、第二输送管道400和管道反应器500中的至少之一供给锌粉，例如1所示，锌粉供给装置600与第一输送管道200、第二输送管道400和管道反应器500均相连。According to an embodiment of the present invention, the zinc powder supply device 600 may be coupled to at least one of the first delivery conduit 200, the second delivery conduit 400, and the conduit reactor 500, and is adapted to be delivered to the first delivery conduit 200, the second delivery conduit 200 At least one of the conduit 400 and the conduit reactor 500 supplies zinc powder, as shown for example in FIG. 1, and the zinc powder supply device 600 is connected to both the first delivery conduit 200, the second delivery conduit 400, and the conduit reactor 500.
根据本发明的一个实施例，锌粉供给装置中锌粉的供给形式并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉可以以固态形式或浆化形式提供。由此，可以保证锌粉与溶液中金属离子充分接触，进而进一步提高溶液中金属离子的置换效率。According to an embodiment of the present invention, the supply form of the zinc powder in the zinc powder supply device is not particularly limited, and those skilled in the art may select according to actual needs. According to a specific embodiment of the present invention, the zinc powder may be in a solid form or Slurry form is provided. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
根据本发明的再一个实施例，锌粉的用量并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉的用量系数可以为1.05～1.2。需要说明的是，本文中的“用量系数”可以理解为比理论使用量多0.05～0.2倍。发明人发现，若锌粉的加入量过少会导致净化除杂不完全，溶液中含杂质元素高，而若锌粉加入量 过多可以除杂较完全，但导致溶液中含锌会更高，并增加锌粉耗量，增加成本。According to still another embodiment of the present invention, the amount of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs. According to a specific embodiment of the present invention, the zinc powder may have a dosage coefficient of 1.05 to 1.2. It should be noted that the "amount factor" in this paper can be understood as 0.05 to 0.2 times more than the theoretical amount used. The inventors have found that if the amount of zinc powder added is too small, the purification and impurity removal may be incomplete, and the impurity element in the solution is high, and if the amount of zinc powder is added, Too much can eliminate the impurities, but it will lead to higher zinc in the solution, increase the consumption of zinc powder and increase the cost.
根据本发明的又一个实施例，锌粉与溶液中金属离子发生还原反应的温度并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉与溶液中金属离子发生还原反应的温度可以为50～90摄氏度。发明人发现，该温度下可以显著提高锌粉与溶液中金属离子的置换效率。According to still another embodiment of the present invention, the temperature at which the zinc powder is reduced with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs. According to a specific embodiment of the present invention, the zinc powder and the solution The temperature at which the metal ion is reduced may be 50 to 90 degrees Celsius. The inventors have found that the replacement efficiency of the metal ions in the zinc powder and the solution can be significantly increased at this temperature.
根据本发明的又一个实施例，锌粉与溶液中金属离子发生还原反应的时间并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉与溶液中金属离子发生还原反应的时间可以为1～10分钟。发明人发现，该时间范围内可以保证溶液中的金属离子与锌粉充分反应，从而进一步提高溶液中金属离子的置换效率。According to still another embodiment of the present invention, the time for the zinc powder to undergo a reduction reaction with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs. According to a specific embodiment of the present invention, the zinc powder and the solution The time during which the metal ion is reduced may be from 1 to 10 minutes. The inventors have found that the metal ions in the solution can be sufficiently reacted with the zinc powder in this time range, thereby further improving the replacement efficiency of metal ions in the solution.
根据本发明实施例的净化溶液的***通过采用管道反应器代替搅拌槽进行反应，反应过程中，通过给料泵提供动力，使得流体具有较高流速，产生的紊流和湍流能极大程度减小固体锌粉表面扩散层厚度，从而改善反应动力学条件并提高反应效率，进而可以显著提高溶液中金属离子的置换效率，同时采用该***后，各置换工序中工艺参数可以得到极大程度的优化，不但保证了原有操作的连续性，而且省去了外加搅拌造成的电能消耗与设备投资。The system for purifying a solution according to an embodiment of the present invention performs a reaction by using a pipeline reactor instead of a stirring tank. During the reaction, the feed pump is powered to make the fluid have a higher flow velocity, and the turbulence and turbulence generated are greatly reduced. The thickness of the surface of the small solid zinc powder diffuses to improve the reaction kinetic conditions and improve the reaction efficiency, which can significantly improve the replacement efficiency of metal ions in the solution. At the same time, the process parameters in each replacement process can be greatly improved. Optimization not only ensures the continuity of the original operation, but also saves the power consumption and equipment investment caused by external agitation.
在本发明的第二个方面，本发明提出了一种净化溶液的方法。根据本发明的实施例，该方法是采用上述的净化溶液的***进行的。根据本发明的具体实施例，该方法包括：将所述溶液存储装置中的溶液依次经所述第一输送管道、所述给料泵和所述第二输送管道供给至所述管道反应器中；将所述锌粉供给装置中的锌粉供给至所述第一输送管道、所述第二输送管道和所述管道反应器中的至少之一，以便使得所述锌粉与所述溶液中金属离子发生还原反应，得到还原渣和后液。发明人发现，通过采用管道反应器代替搅拌槽进行反应，反应过程中，通过给料泵提供动力，使得流体具有较高流速，产生的紊流和湍流能极大程度减小固体锌粉表面扩散层厚度，从而改善反应动力学条件并提高反应效率，进而可以显著提高溶液中金属离子的置换效率，同时采用该方法后，各置换工序中工艺参数可以得到极大程度的优化，不但保证了原有操作的连续性，而且省去了外加搅拌造成的电能消耗与设备投资。需要说明的是，上述针对净化溶液的***所描述的特征和优点同样适用于该净化溶液的方法，此处不再赘述。In a second aspect of the invention, the invention provides a method of purifying a solution. According to an embodiment of the invention, the method is carried out using the system for purifying the solution described above. According to a particular embodiment of the invention, the method comprises: supplying a solution in the solution storage device to the pipeline reactor via the first delivery conduit, the feed pump and the second delivery conduit in sequence Supplying zinc powder in the zinc powder supply device to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor to cause the zinc powder to be in the solution The metal ion undergoes a reduction reaction to obtain a reducing slag and a post-liquid. The inventors have found that by using a pipeline reactor instead of a stirred tank for the reaction, the feed pump is powered during the reaction, so that the fluid has a higher flow rate, and the turbulence and turbulence generated can greatly reduce the surface diffusion of the solid zinc powder. The layer thickness, thereby improving the reaction kinetic conditions and improving the reaction efficiency, can significantly improve the replacement efficiency of metal ions in the solution. At the same time, the process parameters can be greatly optimized in each replacement process, which not only ensures the original There is continuity of operation, and the power consumption and equipment investment caused by external agitation are eliminated. It should be noted that the features and advantages described above for the system for purifying the solution are equally applicable to the method of purifying the solution, and are not described herein again.
根据本发明的一个实施例，锌粉的供给形式并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉可以以固态形式或浆化形式提供。由此，可以保证锌粉与溶液中金属离子充分接触，进而进一步提高溶液中金属离子的置换效率。 According to an embodiment of the present invention, the supply form of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs. According to a specific embodiment of the present invention, the zinc powder may be provided in a solid form or a slurry form. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
根据本发明的一个实施例，锌粉供给装置中锌粉的供给形式并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉可以以固态形式或浆化形式提供。由此，可以保证锌粉与溶液中金属离子充分接触，进而进一步提高溶液中金属离子的置换效率。According to an embodiment of the present invention, the supply form of the zinc powder in the zinc powder supply device is not particularly limited, and those skilled in the art may select according to actual needs. According to a specific embodiment of the present invention, the zinc powder may be in a solid form or Slurry form is provided. Thereby, it is ensured that the zinc powder is in full contact with the metal ions in the solution, thereby further improving the replacement efficiency of the metal ions in the solution.
根据本发明的再一个实施例，锌粉的用量并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉的用量系数可以为1.05～1.2。发明人发现，若锌粉的加入量过少会导致净化除杂不完全，溶液中含杂质元素高，而若锌粉加入量过多可以除杂较完全，但导致溶液中含锌会更高，并增加锌粉耗量，增加成本。According to still another embodiment of the present invention, the amount of the zinc powder is not particularly limited, and those skilled in the art may select according to actual needs. According to a specific embodiment of the present invention, the zinc powder may have a dosage coefficient of 1.05 to 1.2. The inventors have found that if the amount of zinc powder added is too small, the purification and impurity removal are incomplete, and the impurity element in the solution is high, and if the amount of zinc powder is too large, the impurity removal can be more complete, but the zinc content in the solution is higher. And increase the consumption of zinc powder and increase the cost.
根据本发明的又一个实施例，锌粉与溶液中金属离子发生还原反应的温度并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉与溶液中金属离子发生还原反应的温度可以为50～90摄氏度。发明人发现，该温度下可以显著提高锌粉与溶液中金属离子的置换效率。According to still another embodiment of the present invention, the temperature at which the zinc powder is reduced with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs. According to a specific embodiment of the present invention, the zinc powder and the solution The temperature at which the metal ion is reduced may be 50 to 90 degrees Celsius. The inventors have found that the replacement efficiency of the metal ions in the zinc powder and the solution can be significantly increased at this temperature.
根据本发明的又一个实施例，锌粉与溶液中金属离子发生还原反应的时间并不受特别限制，本领域技术人员可以根据实际需要进行选择，根据本发明的具体实施例，锌粉与溶液中金属离子发生还原反应的时间可以为1～10分钟。发明人发现，该时间范围内可以保证溶液中的金属离子与锌粉充分反应，从而进一步提高溶液中金属离子的置换效率。According to still another embodiment of the present invention, the time for the zinc powder to undergo a reduction reaction with the metal ions in the solution is not particularly limited, and those skilled in the art can select according to actual needs. According to a specific embodiment of the present invention, the zinc powder and the solution The time during which the metal ion is reduced may be from 1 to 10 minutes. The inventors have found that the metal ions in the solution can be sufficiently reacted with the zinc powder in this time range, thereby further improving the replacement efficiency of metal ions in the solution.
下面参考具体实施例，对本发明进行描述，需要说明的是，这些实施例仅仅是描述性的，而不以任何方式限制本发明。The invention is described below with reference to the specific embodiments, which are intended to be illustrative, and not to limit the invention in any way.
实施例1Example 1
将1m3含钴溶液依次通过第一输送管道、给料泵以及第二输送管道供给至管道反应器中，同时通过锌粉供给装置向第一输送管道、第二输送管道和管道反应器中供给锌粉，使得锌粉与含钴溶液中的钴离子在管道反应器中发生还原反应，反应温度为80～90℃，反应时间为5min，锌粉用量系数为1.2，并将反应所得浆液进行压滤处理，得到除钴后液中钴含量低于0.2mg/L。The 1 m 3 cobalt-containing solution is sequentially supplied to the pipeline reactor through the first conveying pipe, the feed pump, and the second conveying pipe, and is supplied to the first conveying pipe, the second conveying pipe, and the pipe reactor through the zinc powder supply device. The zinc powder causes the zinc powder and the cobalt ion in the cobalt solution to be reduced in the pipeline reactor, the reaction temperature is 80-90 ° C, the reaction time is 5 min, the zinc powder dosage coefficient is 1.2, and the slurry obtained by the reaction is pressed. After filtration, the cobalt content in the solution after removal of cobalt is less than 0.2 mg/L.
实施例2Example 2
将1m3含铜溶液依次通过第一输送管道、给料泵以及第二输送管道供给至管道反应器中，同时通过锌粉供给装置向第一输送管道、第二输送管道和管道反应器中供给锌粉，使得锌粉与含铜溶液中的铜离子在管道反应器中发生还原反应，反应温度为50～60℃，反应时间为5min，锌粉用量系数为1.05，并将反应所得浆液进行压滤处理，得到除铜后液中铜含量低于0.2mg/L。 The 1m 3 copper-containing solution is sequentially supplied to the pipeline reactor through the first conveying pipe, the feed pump and the second conveying pipe, and is supplied to the first conveying pipe, the second conveying pipe and the pipe reactor through the zinc powder supply device. The zinc powder causes the zinc ion and the copper ion in the copper solution to be reduced in the pipeline reactor, the reaction temperature is 50-60 ° C, the reaction time is 5 min, the zinc powder dosage coefficient is 1.05, and the slurry obtained by the reaction is pressed. After the filtration treatment, the copper content in the liquid after removing copper is less than 0.2 mg/L.
以上详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型，这些简单变型均属于本发明的保护范围。The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solutions of the present invention within the scope of the technical idea of the present invention. These simple variants All fall within the scope of protection of the present invention.
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。It should be further noted that the specific technical features described in the above specific embodiments may be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present invention has various possibilities. The combination method will not be described separately.
此外，本发明的各种不同的实施方式之间也可以进行任意组合，只要其不违背本发明的思想，其同样应当视为本发明所公开的内容。In addition, any combination of various embodiments of the invention may be made as long as it does not deviate from the idea of the invention, and it should be regarded as the disclosure of the invention.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。 Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims (9)

  1. 一种净化溶液的***，其特征在于，包括：A system for purifying a solution, comprising:
    溶液存储装置；Solution storage device;
    第一输送管道，所述第一输送管道与所述溶液存储装置相连；a first delivery conduit, the first delivery conduit being connected to the solution storage device;
    给料泵，所述给料泵与所述第一输送管道相连；a feed pump connected to the first delivery pipe;
    第二输送管道，所述第二输送管道与所述给料泵相连；a second delivery conduit, the second delivery conduit being connected to the feed pump;
    管道反应器，所述管道反应器与所述第二输送管道相连；以及a pipeline reactor connected to the second delivery conduit;
    锌粉供给装置，所述锌粉供给装置与所述第一输送管道、所述第二输送管道和所述管道反应器中的至少之一相连。a zinc powder supply device connected to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor.
  2. 根据权利要求1所述的***，其特征在于，所述管道反应器为螺旋管道或直管道。The system of claim 1 wherein the pipeline reactor is a spiral conduit or a straight conduit.
  3. 根据权利要求1或2所述的***，其特征在于，所述螺旋管道的弯头为钢衬PO件或钢衬F4件。The system according to claim 1 or 2, wherein the elbow of the spiral pipe is a steel lining PO piece or a steel lining F4 piece.
  4. 根据权利1-3中任一项所述的***，其特征在于，所述第一输送管道和所述第二输送管道上分别独立的设置至少一个管道混合器。The system according to any one of claims 1 to 3, characterized in that at least one pipe mixer is separately provided on the first conveying pipe and the second conveying pipe.
  5. 一种利用权利要求1-4中任一项所述的***净化溶液的方法，其特征在于，包括：A method of purifying a solution using the system of any one of claims 1 to 4, comprising:
    将所述溶液存储装置中的溶液依次经所述第一输送管道、所述给料泵和所述第二输送管道供给至所述管道反应器中；Supplying the solution in the solution storage device to the pipeline reactor through the first delivery pipe, the feed pump and the second delivery pipe;
    将所述锌粉供给装置中的锌粉供给至所述第一输送管道、所述第二输送管道和所述管道反应器中的至少之一，以便使得所述锌粉与所述溶液中金属离子发生还原反应，得到还原渣和后液。Supplying zinc powder in the zinc powder supply device to at least one of the first delivery conduit, the second delivery conduit, and the conduit reactor to cause the zinc powder and the metal in the solution The ion undergoes a reduction reaction to obtain a reducing slag and a post-liquid.
  6. 根据权利要求5所述的方法，其特征在于，所述锌粉以固态形式或浆化形式提供。The method of claim 5 wherein said zinc powder is provided in a solid form or in a slurry form.
  7. 根据权利要求5或6所述的方法，其特征在于，所述还原反应的温度为50～90摄氏度。The method according to claim 5 or 6, wherein the temperature of the reduction reaction is 50 to 90 degrees Celsius.
  8. 根据权利要求5-7中任一项所述的方法，其特征在于，所述还原反应的时间为1～10分钟。The method according to any one of claims 5 to 7, wherein the reduction reaction is carried out for a period of from 1 to 10 minutes.
  9. 根据权利要求5-8中任一项所述的方法，其特征在于，所述锌粉的用量系数为1.05～1.2。 The method according to any one of claims 5-8, characterized in that the zinc powder has a coefficient of use of from 1.05 to 1.2.
PCT/CN2017/078658 2016-05-10 2017-03-29 Solution purification system and method WO2017193726A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610305754.7A CN105821206A (en) 2016-05-10 2016-05-10 Solution purifying system and method
CN201610305754.7 2016-05-10

Publications (1)

Publication Number Publication Date
WO2017193726A1 true WO2017193726A1 (en) 2017-11-16

Family

ID=56529153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/078658 WO2017193726A1 (en) 2016-05-10 2017-03-29 Solution purification system and method

Country Status (2)

Country Link
CN (1) CN105821206A (en)
WO (1) WO2017193726A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105821206A (en) * 2016-05-10 2016-08-03 中国恩菲工程技术有限公司 Solution purifying system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083835A2 (en) * 2000-04-28 2001-11-08 Mintek Gold recovery process with hydrochloric acid lixiviant
CN102220493A (en) * 2011-07-27 2011-10-19 昆明冶金研究院 Method and device for purifying zinc sulfate solution based on action of cavitation effect
CN102719671A (en) * 2012-07-06 2012-10-10 中南大学 Method and device for deeply removing copper of nickel thiocarbonate from nickel-containing solution
CN202658207U (en) * 2012-07-06 2013-01-09 中南大学 Device for deeply removing copper from nickel-containing solution by nickel thiocarbonate
CN104561547A (en) * 2014-12-23 2015-04-29 云南锡业股份有限公司 Method for reducing zinc powder consumption in process of purifying zinc sulfate solution
CN105821206A (en) * 2016-05-10 2016-08-03 中国恩菲工程技术有限公司 Solution purifying system and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3474812D1 (en) * 1983-08-02 1988-12-01 Agip Spa Process for purifying solutions of zinc sulphate
CN100359026C (en) * 2003-03-14 2008-01-02 中国有色工程设计研究总院 Method and apparatus for removing copper, cadmium and cobalt from zinc sulfate solution

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083835A2 (en) * 2000-04-28 2001-11-08 Mintek Gold recovery process with hydrochloric acid lixiviant
CN102220493A (en) * 2011-07-27 2011-10-19 昆明冶金研究院 Method and device for purifying zinc sulfate solution based on action of cavitation effect
CN102719671A (en) * 2012-07-06 2012-10-10 中南大学 Method and device for deeply removing copper of nickel thiocarbonate from nickel-containing solution
CN202658207U (en) * 2012-07-06 2013-01-09 中南大学 Device for deeply removing copper from nickel-containing solution by nickel thiocarbonate
CN104561547A (en) * 2014-12-23 2015-04-29 云南锡业股份有限公司 Method for reducing zinc powder consumption in process of purifying zinc sulfate solution
CN105821206A (en) * 2016-05-10 2016-08-03 中国恩菲工程技术有限公司 Solution purifying system and method

Also Published As

Publication number Publication date
CN105821206A (en) 2016-08-03

Similar Documents

Publication Publication Date Title
WO2017193724A1 (en) System and method for treating copper-containing solution
CN207243712U (en) A kind of dehydration car of vehicle-mounted sludge concentration device
WO2017193726A1 (en) Solution purification system and method
JP5103023B2 (en) Liquid and powder mixing apparatus, metal recovery system, liquid and powder mixing method, and metal recovery method
TW201217587A (en) Electrolytic regeneration device
CN103613126A (en) Method and system for removing vanadium impurities in titanium tetrachloride
WO2017193725A1 (en) System and method for treating cadmium-containing solution
CN104058543A (en) Water treatment device for water cooling tower
CN103817107A (en) High-efficiency powder cleaning device
CN201749906U (en) Preparation device of potassium hydroxide electrolyte
CN105060437A (en) Polymeric ferric sulfate feeding device for sewage treatment
CN204365306U (en) Paddle contactor lubricating grease saponification still
JP6938420B2 (en) Anaerobic digestion method and anaerobic digester for organic sludge
CN207628395U (en) A kind of stirring-type reaction kettle
CN208395280U (en) Remove the circulatory system of acid purification system feeding line crystallization
CN210321157U (en) Gas atomization iron-silicon powder smelting device
CN219297613U (en) Combined system for extracting noble metal by supercritical hydrothermal method
CN217887876U (en) Resin waste water processing apparatus
CN206828175U (en) A kind of supercritical sewage oxidation reaction apparatus
CN220737427U (en) Mixing kettle
CN108217597A (en) A kind of good environment-friendly type reacting furnace of Acid of Hydrofluoric Acid Production heat insulation effect
CN218307829U (en) Conveyor is used in water-reducing agent production
CN108913912A (en) A kind of device of the waste recycling copper generated from Copper making
CN209934688U (en) Chemical production solution cools off discharging equipment fast
CN215440626U (en) Discharge pipeline for horizontal continuous oxygen pressure leaching reaction kettle

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17795344

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 17795344

Country of ref document: EP

Kind code of ref document: A1