CN215559431U - Silver-containing waste liquid recycling treatment device - Google Patents
Silver-containing waste liquid recycling treatment device Download PDFInfo
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- CN215559431U CN215559431U CN202023332950.4U CN202023332950U CN215559431U CN 215559431 U CN215559431 U CN 215559431U CN 202023332950 U CN202023332950 U CN 202023332950U CN 215559431 U CN215559431 U CN 215559431U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a silver-containing waste liquid recycling treatment device, which comprises: a waste liquid storage system and a waste liquid treatment device which are connected in sequence; and the cooling water circulating system is used for cooling the waste liquid treatment device. The waste liquid is subjected to physicochemical silver precipitation reaction in a waste liquid treatment device, and is treated by cooling and suction filtration, and the silver in the waste liquid is recovered and then enters a subsequent working section for treatment. The system solves the problems of fine silver particles precipitated from the silver-containing waste liquid and difficult solid-liquid separation, is particularly suitable for treating various kinds of superfine silver industrial wastewater, is simple to implement in industrial production, and effectively improves the recovery rate of silver.
Description
Technical Field
The utility model relates to a wastewater treatment system, in particular to a silver-containing waste liquid recycling treatment device.
Background
The silver-containing waste liquid mainly comes from silver electroplating industry, fixed (developing) film, film and other industries, analytical chemistry laboratories and the like, and has a wide variety. Silver has been widely regarded at home and abroad as an important resource for strategic development. At present, a plurality of methods for recycling the silver-containing waste liquid are available and are relatively mature correspondingly, common methods include an electrolysis method, a chemical precipitation method, a metal replacement method and the like, but corresponding treatment devices also adopt conventional chemical reaction tanks (kettles), the recovery rate of the superfine silver particles after the reaction is finished cannot be guaranteed, so that the resource loss and waste are caused, and meanwhile, the environmental water body is seriously polluted.
Chinese patent CN207760158U discloses a silver-containing wastewater treatment device for liquid crystal display production. The method comprises the following steps: the system comprises a pipeline mixer, a precision filter and a resin column, wherein the precision filter and the resin column are connected in series from one stage to three stages. The pipeline mixer is provided with a wastewater inlet, a medicament feeding port and a water outlet. The resin column is filled with chelating resin for removing silver ions. Silver-containing wastewater flows in from an inlet of the pipeline mixer, a heavy metal catching agent flows in from an agent adding port of the pipeline mixer, and the treated silver-containing wastewater flows out from an outlet of the resin column.
Chinese patent CN104762477A discloses a method for recovering and treating waste containing silver, which comprises the following steps: acid liquor preparation and reaction steps: preparing acid liquor, and carrying out a first reaction step on the waste containing the silver component and the acid liquor to produce a recovered and treated acid liquor mixture containing the silver component; a stabilization step: preparing an alcohol solution, and carrying out a second reaction step on the recovered and treated acid solution mixture containing the silver component and the alcohol solution to produce a stabilized acid solution mixture containing the silver component; a precipitation reduction step: carrying out a third reaction step on the stabilized acid solution mixture containing the silver component, an alkaline compound and ionized water with the resistivity of 18.2M omega cm to produce a recovered silver semi-finished product; further processing and making into silver finished product or product.
The device and the method are mainly suitable for treating the silver-containing waste liquid generated in relatively single industry, and have the defects of wide adaptability, high silver recovery rate and the like. The technical problem solved by the utility model is as follows: the device system for recycling the silver-containing waste liquid is provided, the investment and operation cost of production equipment is reduced, and the recovery utilization rate of silver is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a silver-containing waste liquid recycling treatment device, which is easy to realize industrial production through a simple combination mode, improves the solid-liquid separation effect of chemically treated superfine silver particles, and improves the recovery rate of silver.
The technical scheme of the utility model is as follows:
a silver-containing waste liquid reuse treatment apparatus comprising:
a waste liquid storage tank, a waste liquid treatment device and a vacuum filtration device which are connected in sequence;
and the cooling water circulating water system is used for cooling the waste liquid treatment device.
Specifically, the waste liquid treatment apparatus includes:
the reaction kettle is made of anticorrosive metal, glass lining or PP materials, a cooling coil is arranged in the reaction kettle, and the cooling coil is connected with the cooling water circulating water system.
Specifically, the cooling coil is a cooling circulating water serpentine coil or a vertical U-shaped coil.
Specifically, the cooling coil is made of stainless steel 316L or titanium, and the pipe diameter is 15-25 mm.
Specifically, mechanical stirring blades are arranged in the reaction kettle in a matched mode, and an aeration perforated pipe is arranged on the reaction kettle.
Specifically, the vacuum filtration device includes:
the device comprises a suction filtration tank made of anticorrosive metal or PP materials, wherein the top of the suction filtration tank is communicated with the bottom of the reaction kettle, a suction filtration flow plate is arranged inside the suction filtration tank, the suction filtration flow plate (6) is used as a support plate of a filter bag at the same time, and the inlet liquid of the suction filtration tank directly enters from an outlet at the bottom of the reaction kettle.
Specifically, one side of the suction filter tank is provided with a vacuum tube, and the vacuum tube is connected with a vacuum pump; and a suction filtration clear liquid discharge pipe pump is arranged at the bottom of the suction filtration tank, and the open-close state is adjusted by adopting a valve.
Specifically, the cooling water circulating water system includes:
the cooling device comprises a circulating water tank, an open or closed water cooling tower and a cooling circulating water pump, wherein the cooling coil is communicated with the circulating water tank through a pipeline and the cooling circulating water pump.
Specifically, the suction filtration flow-through plate has round-hole-shaped or latticed filtration pores, and the pore diameter of the filtration pores is: phi is 1 to 3mm or 1 to 3mm x 1 to 3 mm.
Specifically, a filter bag fixing hook is arranged on the outer side of the top of the suction filtration tank;
the filter bag is made of a micro fiber film or a nano fiber film, and the material of the filter bag is PP, terylene or polypropylene.
The utility model has the beneficial effects that: the utility model provides a silver-containing waste liquid recycling treatment device, which is a vacuum filtration device added with ultrafine silver particles on the basis of a conventional device, has simple and convenient system operation method and operation conditions, is easy to realize industrialization, and improves the recovery rate of silver.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of the treatment process of the present invention.
FIG. 2 is a schematic view showing the structure of the apparatus for recycling silver-containing waste liquid according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In one aspect of the present invention, there is provided a silver-containing waste liquid reuse treatment apparatus comprising:
a waste liquid storage tank, a waste liquid treatment device and a vacuum filtration device which are connected in sequence;
and the cooling water circulating water system is used for cooling the waste liquid treatment device.
Specifically, the waste liquid treatment apparatus includes:
the reaction kettle is made of anticorrosive metal, glass lining or PP materials, a cooling coil is arranged in the reaction kettle, and the cooling coil is connected with the cooling water circulating water system.
Specifically, the cooling coil is a cooling circulating water serpentine coil or a vertical U-shaped coil.
Specifically, the cooling coil is made of stainless steel 316L or titanium, and the pipe diameter is 15-25 mm.
Specifically, mechanical stirring blades are arranged in the reaction kettle in a matched mode, and an aeration perforated pipe is arranged on the reaction kettle.
Specifically, the vacuum filtration device includes:
the device comprises a suction filtration tank made of anticorrosive metal or PP materials, wherein the top of the suction filtration tank is communicated with the bottom of the reaction kettle, a suction filtration flow plate is arranged inside the suction filtration tank, the suction filtration flow plate (6) is used as a support plate of a filter bag at the same time, and the inlet liquid of the suction filtration tank directly enters from an outlet at the bottom of the reaction kettle.
Specifically, one side of the suction filter tank is provided with a vacuum tube, and the vacuum tube is connected with a vacuum pump; and a suction filtration clear liquid discharge pipe pump is arranged at the bottom of the suction filtration tank, and the open-close state is adjusted by adopting a valve.
Specifically, the cooling water circulating water system includes:
the cooling device comprises a circulating water tank, an open or closed water cooling tower and a cooling circulating water pump, wherein the cooling coil is communicated with the circulating water tank through a pipeline and the cooling circulating water pump.
Specifically, the suction filtration flow-through plate has round-hole-shaped or latticed filtration pores, and the pore diameter of the filtration pores is: phi is 1 to 3mm or 1 to 3mm x 1 to 3 mm.
Specifically, a filter bag fixing hook is arranged on the outer side of the top of the suction filtration tank;
the filter bag is made of a micro fiber film or a nano fiber film, and the material of the filter bag is PP, terylene or polypropylene.
Specifically, as shown in fig. 1, a silver-containing waste liquid recycling treatment device comprises a waste liquid storage tank, a waste liquid treatment device, a vacuum filtration device, a cooling water circulating water system and the like.
As shown in figure 2, the waste liquid treatment device is a reaction tank (2) made of materials such as anticorrosive metal, glass lining or PP (polypropylene), a cooling circulating water serpentine coil or a vertical U-shaped coil (8) is arranged in the reaction kettle (2), the coil is made of stainless steel 316L or titanium, the pipe diameter is 15-25 mm, and a mechanical stirring paddle (9) or an aeration perforated pipe is matched with the coil.
As shown in fig. 2, the vacuum filtration device is a filtration tank (4) made of corrosion-resistant metal or pp, a filtration flow plate (6) is arranged in the tank, the filtration flow plate (6) is also used as a support plate of a filter bag, liquid inlet of the filtration tank directly enters from an outlet of the reaction tank, a vacuum tube (10) is arranged on one side of the filtration tank, and the vacuum tube is connected with a vacuum pump (11); the bottom of the tank is provided with a pump (12) for discharging the filtered clear liquid, and the open-close state is adjusted by a valve.
As shown in fig. 2, the cooling water circulating water system includes a circulating water tank (4), an open or closed water cooling tower (5) and a cooling circulating water pump (13).
As shown in fig. 2, the vacuum filtration apparatus is characterized in that: the suction flow plate (6) is provided with round hole-shaped or grid-shaped filtering holes, and the aperture of each filtering hole is as follows: phi is 1-3 mm or 1-3 mm multiplied by 1-3 mm; the filter bag fixing hooks (7) are arranged on the outer side of the top of the groove, and the interval between the fixing hooks (7) is 100-150 mm; the filter bag is made of a vinylon-cellulose membrane or a nanofiber membrane, and is made of PP (polypropylene), terylene, polypropylene and the like.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides a silver-containing waste liquid recycling treatment device which characterized in that, silver-containing waste liquid treatment device includes:
a waste liquid storage tank, a waste liquid treatment device and a vacuum filtration device which are connected in sequence;
and the cooling water circulating water system is used for cooling the waste liquid treatment device.
2. The apparatus according to claim 1, wherein the apparatus comprises:
the reaction kettle is made of anticorrosive metal, glass lining or PP materials, a cooling coil is arranged in the reaction kettle, and the cooling coil is connected with the cooling water circulating water system.
3. The apparatus of claim 2, wherein the cooling coil is a cooling circulation water serpentine coil or a vertical U-shaped coil.
4. The device for recycling and treating silver-containing waste liquid according to claim 2, wherein the cooling coil is made of stainless steel 316L or titanium, and the diameter of the cooling coil is 15-25 mm.
5. The apparatus according to claim 2, wherein a mechanical stirring blade is provided in the reaction vessel, and the reaction vessel is provided with an aeration perforated pipe.
6. The apparatus according to claim 2, wherein the vacuum filtration apparatus comprises:
the device comprises a suction filtration tank made of anticorrosive metal or PP materials, wherein the top of the suction filtration tank is communicated with the bottom of the reaction kettle, a suction filtration flow plate is arranged in the suction filtration tank, the suction filtration flow plate is simultaneously used as a support plate of a filter bag, and the inlet liquid of the suction filtration tank directly enters from an outlet at the bottom of the reaction kettle.
7. The apparatus according to claim 6, wherein an evacuation tube is provided on one side of the filtration tank, and the evacuation tube is connected to a vacuum pump; and a suction filtration clear liquid discharge pipe pump is arranged at the bottom of the suction filtration tank, and the open-close state is adjusted by adopting a valve.
8. The apparatus according to claim 2, wherein the cooling water circulation water system comprises:
the cooling device comprises a circulating water tank, an open or closed water cooling tower and a cooling circulating water pump, wherein the cooling coil is communicated with the circulating water tank through a pipeline and the cooling circulating water pump.
9. The apparatus according to claim 6, wherein the suction filtration flow-through plate has circular or latticed filtration pores, and the pore diameter of the filtration pores is: phi is 1 to 3mm or 1 to 3mm x 1 to 3 mm.
10. The device for recycling and treating silver-containing waste liquid as claimed in claim 6, wherein a filter bag fixing hook is arranged outside the top of the suction filtration tank;
the filter bag is made of a micro fiber film or a nano fiber film, and the material of the filter bag is PP, terylene or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332950.4U CN215559431U (en) | 2020-12-30 | 2020-12-30 | Silver-containing waste liquid recycling treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332950.4U CN215559431U (en) | 2020-12-30 | 2020-12-30 | Silver-containing waste liquid recycling treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215559431U true CN215559431U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023332950.4U Active CN215559431U (en) | 2020-12-30 | 2020-12-30 | Silver-containing waste liquid recycling treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215559431U (en) |
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2020
- 2020-12-30 CN CN202023332950.4U patent/CN215559431U/en active Active
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