CN213578709U

CN213578709U - Precious metal is carried and is selected agent environment-friendly heating smelting pot

Info

Publication number: CN213578709U
Application number: CN202022182720.8U
Authority: CN
Inventors: 韦勋; 韦燕
Original assignee: Guangxi Hechi Xinyin Environmental Protection Technology Co Ltd
Current assignee: Guangxi Hechi Xinyin Environmental Protection Technology Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-29
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses an environment-friendly heating smelting furnace for a precious metal extracting agent, which comprises a furnace body, wherein a crucible is arranged in the furnace body; an induction coil is arranged on the outer ring of the crucible; comprises a furnace cover, a filter tank and an air pump; the furnace cover is connected with the top of the furnace body; an exhaust interface and an air inlet interface are respectively arranged on two sides of the furnace cover; the exhaust interface is connected to the bottom end inside the filtering tank through an exhaust pipeline; the air exhaust end of the air exhaust pump is connected with the top end inside the filtering tank. The utility model discloses in letting in the waste gas that produces in the smelting furnace to filter jar, solved the problem that the waste gas direct emission that current environment-friendly precious metal extraction agent smelting process produced, reached precious metal extraction agent safety in production, the purpose that the environmental protection was discharged.

Description

Precious metal is carried and is selected agent environment-friendly heating smelting pot

Technical Field

The utility model belongs to the technical field of the smelting pot, concretely relates to precious metal is carried and is selected agent environment-friendly heating smelting pot.

Background

The environment-friendly precious metal extracting agent is prepared by mixing sodium cyanate, sodium hydroxide, sodium sulfate and sodium ferrocyanide according to a certain proportion, adding the mixture into a smelting crucible which is heated to be reddish, heating the mixture to 750 ℃, keeping the high temperature reaction at 750 ℃ for 30-50 minutes, pouring out the mixture for cooling, adding bromide and lead salt after crushing, stirring and mixing to obtain the environment-friendly precious metal extracting agent, wherein waste gas (accompanied by ammonia gas, a small amount of decomposed cyanide gas, harmful dust particles and the like) generated in the heating and melting process of raw materials is directly discharged to pollute the environment.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a precious metal extracting agent environment-friendly heating smelting furnace which can effectively filter polluted gas.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

an environment-friendly heating smelting furnace for a precious metal extracting agent comprises a furnace body, wherein a crucible is arranged in the furnace body; an induction coil is arranged on the outer ring of the crucible; comprises a furnace cover, a filter tank and an air pump; the furnace cover is connected with the top of the furnace body; an exhaust interface and an air inlet interface are respectively arranged on two sides of the furnace cover; the exhaust interface is connected to the bottom end inside the filtering tank through an exhaust pipeline; the air exhaust end of the air exhaust pump is connected with the top end inside the filtering tank;

the interior of the filter tank is sealed, and purified water is arranged at the bottom of the filter tank; the exhaust pipeline is obliquely inserted into the filtering tank, and a port of the exhaust pipeline extends into the purified water; the middle part in the filtering tank is respectively provided with an acidic packing layer, an alkaline packing layer and an active carbon adsorption net from top to bottom; and a water inlet interface and a water drainage interface are respectively arranged on two sides of the bottom of the filtering tank.

As a further technical improvement, the air inlet interface is provided with an air passage one-way valve. The gas path one-way valve is used for maintaining the gas pressure in the crucible, and simultaneously, the generated gas can not be discharged from the gas inlet interface.

As further technical improvement, a pressure release valve is arranged in the middle of the furnace cover. The pressure release valve is used for preventing workers from forgetting to open the air suction pump, so that high-pressure explosion is generated in the furnace, and the physical and psychological health of workers is threatened.

As a further technical improvement, the tank wall in the middle of the filter tank is provided with an observation window. The observation window is used for observing whether the water quantity in the filter tank is enough or not, whether the water is turbid or not and whether the water needs to be replaced or not.

As a further technical improvement, a heat insulation layer is arranged in the furnace cover. The heat insulation layer is used for preventing the surface temperature of the furnace cover from being too high and threatening the safety of workers.

As a further technical improvement, the joint of the exhaust pipeline and the exhaust interface is connected through a hose. The hose is used for flexibly matching with the opening or closing of the furnace cover.

The utility model discloses a theory of operation (operation flow):

the experimenter will put into the crucible with the raw materials, induction coil circular telegram is to making the crucible last high temperature, raw materials reaction or pyrolysis produce waste gas and dust particulate matter, start the aspiration pump, waste gas and dust particulate matter suction that will produce filter the jar in, produce waste gas and dust particulate matter and at first let in the pure water, adsorb the dust particulate matter, the waste gas that is insoluble in water rises and passes through acid packing layer, basicity packing layer and active carbon adsorption net in proper order, purify waste gas (get rid of basicity and acid harmful gas in the waste gas) and dry, discharge again in the atmosphere.

Compared with the prior art, the utility model has the advantages and beneficial effect as follows:

1. the utility model discloses in letting in the waste gas that produces in the smelting furnace to filter jar, solved the problem that the waste gas direct emission that current environment-friendly precious metal extraction agent smelting process produced, reached precious metal extraction agent safety in production, the purpose that the environmental protection was discharged.

2. The utility model discloses an add the pure water and set up acid packing layer, basicity packing layer and active carbon adsorption net filtering the jar, detach basicity and acidic harmful gas in the waste gas, the moisture in the waste gas is detached in the absorption of active carbon adsorption board and adsorb remaining dust particulate matter once more.

3. The utility model discloses simple structure, the cost is cheap, and scientific and practical is particularly useful for the smelting of environment-friendly precious metal extraction agent raw materials.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The attached drawings are as follows:

1-furnace body, 2-crucible, 2-smelting furnace, 21-induction coil, 3-furnace cover, 31-exhaust interface, 32-air inlet interface, 33-pressure release valve, 34-heat insulation layer, 4-exhaust pipeline, 41-hose, 5-filtering tank, 51-acid filler layer, 52-alkaline filler layer, 53-activated carbon adsorption net, 54-water inlet interface, 55-water discharge interface, 56-observation window and 6-air pump.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1:

an environment-friendly heating smelting furnace for a precious metal extracting agent comprises a furnace body 1, wherein a crucible 2 is arranged in the furnace body 1; an induction coil 21 is arranged on the outer ring of the crucible 2; comprises a furnace cover 3, a filter tank 5 and an air pump 6; the furnace cover 3 is connected with the top of the furnace body 1; an exhaust interface 31 and an air inlet interface 32 are respectively arranged on two sides of the furnace cover 3; the exhaust interface 31 is connected to the bottom end inside the filter tank 5 through an exhaust pipeline 4; the air exhaust end of the air exhaust pump 6 is connected with the top end inside the filter tank 5;

the interior of the filter tank 5 is sealed, and purified water is arranged at the bottom of the filter tank; the exhaust pipeline 4 is obliquely inserted into the filter tank 5, and the port of the exhaust pipeline extends into the purified water; the middle part in the filtering tank 5 is respectively provided with an acidic filler layer 51, an alkaline filler layer 52 and an active carbon adsorption net 53 from top to bottom; and a water inlet port 54 and a water outlet port 55 are respectively arranged on two sides of the bottom of the filter tank 5.

The operation flow (use method) of the present embodiment:

the experimenter puts into crucible 2 with the raw materials, induction coil 21 circular telegram is to making crucible 2 last high temperature, raw materials reaction or pyrolysis produce waste gas and dust particulate matter, start aspiration pump 6, waste gas and dust particulate matter suction that will produce are filtered jar 5 in, produce waste gas and dust particulate matter and at first let in the pure water, adsorb and fall the dust particulate matter, the rising of insoluble in water waste gas passes through acid packing layer 51, alkaline packing layer 52 and active carbon adsorption net 53 in proper order, purify waste gas (get rid of the basicity in the waste gas and acidic harmful gas) and dry, discharge again in the atmosphere.

Example 2:

the difference from embodiment 1 is that the air inlet port 32 is provided with an air passage check valve. The gas path check valve is used for maintaining the gas pressure in the crucible 2, and meanwhile, the generated gas cannot be discharged from the gas inlet interface 32.

And a pressure release valve 33 is arranged in the middle of the furnace cover 3. The pressure release valve 33 is used for preventing workers from forgetting to open the air suction pump 6, so that high-pressure explosion is generated in the furnace, and the physical and psychological health of the workers is threatened.

Example 3:

the difference from the embodiment 1 is that the tank wall of the middle part of the filter tank 5 is provided with an observation window 56. The observation window 56 is used for observing whether the water quantity in the filter tank 5 is enough, whether the water is turbid or not and whether the water needs to be replaced or not.

A heat insulation layer 34 is arranged in the furnace cover 3. The heat insulation layer 34 is used for preventing the surface temperature of the furnace cover 3 from being too high, and thus the safety of workers is threatened.

Example 4:

the difference from embodiment 1 is that the connection between the exhaust pipe and the exhaust port is connected by a hose 41. The hose 41 is used for flexibly matching the opening and closing of the furnace cover 3.

The working principle (work flow) of the embodiments 2, 3 and 4 is the same as that of the embodiment 1.

It should be understood that the above-described embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the practice of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description; this is not necessary, nor exhaustive, of all embodiments; and obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. An environment-friendly heating furnace for a precious metal extracting agent comprises a furnace body (1), wherein a crucible (2) is arranged in the furnace body (1); an induction coil (21) is arranged on the outer ring of the crucible (2); the method is characterized in that: comprises a furnace cover (3), a filter tank (5) and an air pump (6); the furnace cover (3) is connected with the top of the furnace body (1); an exhaust interface (31) and an air inlet interface (32) are respectively arranged on two sides of the furnace cover (3); the exhaust interface (31) is connected to the bottom end inside the filter tank (5) through an exhaust pipeline (4); the air exhaust end of the air exhaust pump (6) is connected with the top end inside the filter tank (5);

the interior of the filter tank (5) is sealed, and purified water is arranged at the bottom of the filter tank; the exhaust pipeline (4) is obliquely inserted into the filter tank (5), and a port of the exhaust pipeline extends into the purified water; the middle part in the filtering tank (5) is respectively provided with an acidic filler layer (51), an alkaline filler layer (52) and an active carbon adsorption net (53) from top to bottom; and a water inlet connector (54) and a water drainage connector (55) are respectively arranged on two sides of the bottom of the filtering tank (5).

2. The environment-friendly heating furnace for the precious metal extracting agent according to claim 1, characterized in that: and the air inlet interface (32) is provided with an air path one-way valve.

3. The environment-friendly heating furnace for the precious metal extracting agent according to claim 1, characterized in that: and a pressure release valve (33) is arranged in the middle of the furnace cover (3).

4. The environment-friendly heating furnace for the precious metal extracting agent according to claim 1, characterized in that: and an observation window (56) is arranged on the tank wall in the middle of the filtering tank (5).

5. The environment-friendly heating furnace for the precious metal extracting agent according to claim 1, characterized in that: a heat insulation layer (34) is arranged in the furnace cover (3).

6. The environment-friendly heating furnace for the precious metal extracting agent according to claim 1, characterized in that: the connection part of the exhaust pipeline and the exhaust interface is connected through a hose (41).