阅读说明：本技术 一种金精矿非氰提金浸出装置 (Non-cyanogen gold extraction leaching device for gold concentrate ) 是由 阙山东 刘新 夏国春 李少元 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种金精矿非氰提金浸出装置,涉及金精矿非氰提金设备技术领域,其包括罐体,罐体由混凝土或钢板制成,罐体内设置有内衬,内衬是由胶结剂胶结内衬材料形成,内衬材料包括耐酸陶瓷、氮化硅陶瓷和不透性石墨砖中的至少一种。本发明提供的金精矿非氰提金浸出装置可以满足浸出环境的耐腐蚀、耐温、耐酸以及耐磨要求,且浸出装置成本适中,制作加工方便,规格可根据需求进行调整,可以满足金精矿非氰提金的全部工艺要求。(The invention discloses a gold concentrate non-cyanogen gold extraction leaching device, which relates to the technical field of gold concentrate non-cyanogen gold extraction equipment and comprises a tank body, wherein the tank body is made of concrete or steel plates, a lining is arranged in the tank body and is formed by cementing a cementing agent and cementing a lining material, and the lining material comprises at least one of acid-resistant ceramic, silicon nitride ceramic and impermeable graphite bricks. The gold concentrate non-cyanide gold extraction leaching device provided by the invention can meet the requirements of corrosion resistance, temperature resistance, acid resistance and wear resistance of a leaching environment, has moderate cost, is convenient to manufacture and process, can be adjusted according to the requirement in specification, and can meet all process requirements of gold concentrate non-cyanide gold extraction.)

1. The non-cyanogen gold extraction leaching device for the gold concentrate is characterized by comprising a tank body, wherein the tank body is made of concrete or steel plates, a lining is arranged in the tank body and formed by cementing agent cementing lining materials, and the lining materials comprise at least one of acid-resistant ceramics, silicon nitride ceramics and impermeable graphite bricks.

2. the non-cyanide gold extraction leaching device for gold concentrate according to claim 1, wherein the cementing agent is cement;

preferably, the cement is water glass cement or organic resin cement;

Preferably, the cement is acid-resistant concrete or heat-resistant epoxy resin.

3. the non-cyanide gold extraction leaching device for gold concentrate according to claim 2, wherein the water glass cement comprises the following materials in parts by weight: 100-120 parts of filler, 35-40 parts of water glass and 4-5 parts of curing agent;

preferably, the water glass cement comprises the following materials in parts by weight: 100 parts of filler, 35 parts of water glass and 4 parts of curing agent.

4. the non-cyanide gold extraction leaching device for gold concentrate of claim 2, wherein the organic resin cement comprises the following materials in parts by weight: 100-120 parts of organic resin, 4-5 parts of curing agent and 150-200 parts of filler;

Preferably, the organic resin cement comprises the following materials in parts by weight: 100 parts of organic resin, 5 parts of curing agent and 150 parts of filler.

5. The non-cyanide gold extraction leaching apparatus for gold concentrate according to claim 3 or 4, wherein the filler comprises at least one of cast stone powder, graphite powder, quartz powder, andesite powder, quartz sand and porcelain powder;

Preferably, the fineness of the filler is 100-200 meshes.

6. The non-cyanide gold extraction leaching apparatus for gold concentrate according to claim 3 or 4, wherein the solidifying agent is any one or combination of sodium fluosilicate, lead oxide and aluminum phosphate.

7. The non-cyanide gold extraction leaching device of gold concentrate of claim 4, wherein the organic resin is a thermosetting resin;

Preferably, the thermosetting resin is furfuryl alcohol resin.

8. The non-cyanide gold extraction leaching device for gold concentrate according to claim 1, wherein the non-cyanide gold extraction leaching device for gold concentrate further comprises a cover plate and a stress beam, the cover plate is covered on the tank body, and the stress beam is mounted at the bottom of the cover plate and positioned inside the tank body;

Preferably, the outer lining materials of the cover plate and the stress beam are rubber;

preferably, the outer lining materials of the cover plate and the stress beam are butyl rubber;

Preferably, the outer lining materials of the cover plate and the stress beam are copolymers of isobutene and isoprene or butadiene.

9. the non-cyanide gold extraction leaching device for gold concentrate according to claim 8, wherein a stirring device is further mounted on the stress beam, the stirring device comprises a motor, a speed reducer and a stirring shaft, the stirring shaft penetrates through the stress beam and extends into the tank body, a stirring impeller is arranged on the part of the stirring shaft extending into the tank body, and the speed reducer and the motor are sequentially connected to one end of the stirring shaft exposed out of the tank body;

Preferably, the outer lining material of the stirring shaft and the stirring impeller is ABS plastic.

10. The non-cyanide gold extraction leaching device for gold concentrate according to claim 1, wherein a flow stabilizing plate is further arranged on the inner peripheral wall of the tank body close to the inner lining.

Technical Field

The invention relates to the technical field of gold concentrate non-cyanide gold extraction equipment, in particular to a gold concentrate non-cyanide gold extraction leaching device.

background

The leaching device is an important device in the non-cyanogen gold extraction process of the high-sulfur high-arsenic high-carbon refractory gold concentrate. In the non-cyanide gold extraction process of gold concentrate, the leaching environment is strongly acidic and moderately oxidative. Meanwhile, the temperature of the leaching environment is high, and strong abrasion is generated on equipment in the leaching process, so that the service life of the leaching equipment is shortened. At present, the mainstream leaching equipment in the market is conventional leaching equipment, and the conventional leaching equipment has the defect that the production requirement cannot be met. Individual equipment such as an enamel reaction kettle can meet production requirements, but the equipment is expensive, has very high transportation and processing requirements and small volume, and cannot well meet the production requirements. Although there are many different types of acid, corrosion, temperature and wear resistant devices on the market, there is at least one property that does not meet the requirements of the gold extraction process.

In view of this, the invention is particularly proposed.

Disclosure of Invention

The invention aims to provide a non-cyanide gold extraction leaching device for gold concentrate to solve the technical problem.

The invention is realized by the following steps:

A non-cyanogen gold extraction leaching device for gold concentrate comprises a tank body, wherein the tank body is made of concrete or steel plates, a lining is arranged in the tank body and is formed by cementing a lining material by a cementing agent, and the lining material comprises at least one of acid-resistant ceramic, silicon nitride ceramic and impermeable graphite bricks.

The shape of the tank body is preferably a cylindrical tank body, and the production cost can be reduced by manufacturing the tank body with concrete or steel plates. The lining formed by cementing agent cementing lining material can improve the corrosion resistance and strong oxidation resistance of the leaching device, and meanwhile, the lining also has good chemical stability, mechanical strength, processability, thermal stability and thermal conductivity.

in the lining material, the acid-resistant ceramic has better acid resistance, and the silicon nitride ceramic and the impermeable graphite brick have good corrosion resistance, thermal stability and mechanical strength.

In a preferred embodiment of the present invention, the cementing agent is cement;

Preferably, the cement is water glass cement or organic resin cement;

Preferably, the cement is acid-resistant concrete or heat-resistant epoxy resin.

The cementing agent is arranged so as to bond the lining material to the inner peripheral wall of the tank body, thereby improving the comprehensive performance of the tank body.

in a preferred embodiment of the present invention, the water glass cement comprises the following materials in parts by weight: 100-120 parts of filler, 35-40 parts of water glass and 4-5 parts of curing agent;

Preferably, the water glass cement comprises the following materials in parts by weight: 100 parts of filler, 35 parts of water glass and 4 parts of curing agent.

The water glass cement prepared by the formula has the best performance of strong oxidation acid resistance.

In a preferred embodiment of the present invention, the organic resin based daub comprises the following materials in parts by weight: 100-120 parts of organic resin, 4-5 parts of curing agent and 150-200 parts of filler;

Preferably, the organic resin cement comprises the following materials in parts by weight: 100 parts of organic resin, 5 parts of curing agent and 150 parts of filler.

the organic resin is arranged to improve the caking property, the water resistance and the heat resistance of the cementing agent. The curing agent is added to cure the organic resin, so that the mechanical property, heat resistance, water resistance and corrosion resistance of the organic resin daub are improved.

in a preferred embodiment of the present invention, the filler includes at least one of cast stone powder, graphite powder, quartz powder, andesite rock powder, quartz sand and porcelain powder;

preferably, the fineness of the filler is 100-200 meshes.

Fillers formulated within the above-described fineness range have excellent resistance to strong oxidizing acids.

In the preferred embodiment of the present invention, the curing agent is any one or a combination of more of sodium fluorosilicate, lead oxide and aluminum phosphate.

The curing agent can ensure the resin to be cured and formed.

In a preferred embodiment of the present invention, the organic resin is a thermosetting resin;

Preferably, the thermosetting resin is furfuryl alcohol resin.

In other embodiments, the amount of the organic resin added may be adjusted as needed.

In a preferred embodiment of the present invention, the leaching apparatus for non-cyanogen gold extraction of gold concentrate further comprises a cover plate and a stress beam, wherein the cover plate is covered on the tank body, and the stress beam is installed at the bottom of the cover plate and located inside the tank body;

Preferably, the outer lining materials of the cover plate and the stress beam are rubber;

Preferably, the outer lining materials of the cover plate and the stress beam are butyl rubber;

Preferably, the outer lining materials of the cover plate and the stress beam are copolymers of isobutene and isoprene or butadiene.

Butyl rubber is arranged as an outer lining material to improve the heat resistance and corrosion resistance of the cover plate and the stress beam. The butyl rubber has good heat resistance, the working temperature is 90-110 ℃, the butyl rubber is easy to embrittle, and the butyl rubber can resist corrosion of oxidative media such as alkene nitric acid, chromic acid, oxygen, ozone and the like and has good corrosion resistance to solvents such as non-oxidative acids, alkalis, salts, ethanol, acetone, animal and vegetable oil, fatty acids and the like. Good weather resistance and low air permeability.

In a preferred embodiment of the present invention, a stirring device is further mounted on the stress beam, the stirring device includes a motor, a speed reducer and a stirring shaft, a stirring impeller is disposed on a portion of the stirring shaft extending into the tank body through the stress beam, and the end of the stirring shaft exposed outside the tank body is sequentially connected to the speed reducer and the motor;

Preferably, the outer lining material of the stirring shaft and the stirring impeller is ABS plastic.

The motor drives the stirring shaft to rotate around the stirring axis, so as to drive the stirring impeller on the stirring shaft to rotate to realize the stirring of the slurry.

In a preferred embodiment of the present invention, a flow stabilizer is further disposed on the inner peripheral wall of the tank body near the liner.

the outer lining material of the flow stabilizing plate is ABS plastic, and the flow stabilizing plate is arranged to ensure that the liquid level in the tank body is stable.

the invention has the following beneficial effects:

The invention provides a non-cyanide gold extraction leaching device for gold concentrate, which is characterized in that a tank body is made of concrete or steel plates with low cost, a lining is arranged in the tank body, the corrosion resistance and strong oxidation resistance of the leaching device can be improved through the lining, and the lining also has good chemical stability, mechanical strength, processability, thermal stability and thermal conductivity. Therefore, the gold concentrate non-cyanide gold extraction leaching device provided by the invention can meet the requirements of corrosion resistance, temperature resistance, acid resistance and wear resistance of a leaching environment, has moderate cost, is convenient to manufacture and process, can be adjusted according to the requirement in specification, and can meet all process requirements of gold concentrate non-cyanide gold extraction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a non-cyanide gold extraction leaching device for gold concentrate provided by the invention.

600-a leaching apparatus; 1-a groove body; 2-a cementing layer; 3-impervious graphite brick; 4-a sewage draining pipe; 5-stirring impeller; 6-stirring shaft; 7-a flow stabilizer; 8-ore discharge pipe; 9-a stress beam; 10-a medicine adding hole; 11-a speed reducer; 12-a motor; 13-exhaust hole; 14-slurry inlet holes; 15-cover plate; and the 16-PP pulp inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

The features and properties of the present invention are described in further detail below with reference to examples.