CN216395591U

CN216395591U - Wet process basic cupric carbonate safety production line

Info

Publication number: CN216395591U
Application number: CN202122815625.1U
Authority: CN
Inventors: 陆寅; 张小琴; 陈飞彪
Original assignee: Jiangsu Zhiwei New Material Technology Co ltd
Current assignee: Jiangsu Zhiwei New Material Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-29
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to a wet-process safe basic copper carbonate production line, wherein a copper dissolving tank is connected with an electrolytic copper feeding tank, an ammonium bicarbonate feeding tank and an air inlet pipe, the bottom of the copper dissolving tank is connected with a filter, the filter is connected with the upper part of a settling tank, the bottom of the settling tank is connected with a centrifugal machine, the lower discharge part of the centrifugal machine is connected with a basic copper carbonate collecting tank, the discharge liquid of the centrifugal machine is connected with a filter press, the top of the settling tank is connected with a multi-stage condenser connected in series in sequence and then sent to an absorption tower, the absorption tower is connected with a tail gas exhaust pipe, the bottom of the absorption tower is connected with a carbonized ammonia water storage tank, the carbonized ammonia water storage tank and a carbon dioxide storage tank are connected with an ammonia preparation tank together, and the ammonia preparation tank is connected with the ammonium bicarbonate feeding tank. The device has a simple structure, can effectively separate products and byproducts, comprehensively recycle the products, and reduce the production cost and energy consumption.

Description

Wet process basic cupric carbonate safety production line

Technical Field

The utility model relates to a chemical production line, in particular to a wet-process safe basic copper carbonate production line.

Disclosure of Invention

Basic copper carbonate is a widely used chemical raw material, and can be used as an analytical reagent, a catalyst for preparing various copper compounds in the inorganic salt industry, a catalyst for organic synthesis in the organic industry, an additive for copper in the copper-tin alloy electroplating industry, a firework manufacturing agent, a pigment, a black smut preventing agent, electronic ceramics, a dealkalizing agent during crude oil storage and the like. The most common production method of basic copper carbonate at present is a wet ammonia process, the existing process adopts a copper chloride solution and sodium bicarbonate to prepare the basic copper carbonate, the recycling and reusing cost of sodium raw materials is high, the concentration of a byproduct sodium chloride generated in the synthesis in the aqueous solution is higher, the sodium chloride in a product is not easy to clean and separate, the using amount of cleaning water is also very large, the fineness of the product cannot be controlled, the purity of the product is not high, and the process has the advantages of high cost, large wastewater amount, heavy pollution, low yield, high energy consumption and low product purity.

Disclosure of Invention

The utility model provides a wet-process safe basic copper carbonate production line which is simple in structure, can effectively separate products and byproducts, comprehensively recycles and reduces production cost and energy consumption.

The technical scheme adopted by the utility model is as follows: the utility model provides a wet process basic copper carbonate safety line, is including dissolving copper groove, precipitation tank, centrifuge, pressure filter, its characterized in that: dissolve the copper tank and connect electrolytic copper feed chute, ammonium bicarbonate feed chute and air intake pipe, dissolve copper tank bottom and connect the filter, the filter connects precipitation tank upper portion, and the precipitation tank bottom connects centrifugal machine, and the centrifuge lower part is arranged material and is connect basic copper carbonate collecting vat, and the centrifuge flowing back connects the pressure filter, send the absorption tower behind the condenser that the precipitation tank top connects multistage series in proper order, the absorption tower connects tail gas exhaust pipe, the absorption tower bottom connects carbonization aqueous ammonia storage tank, and carbonization aqueous ammonia storage tank and carbon dioxide storage tank connect the ammonia blending tank altogether, and the ammonia blending tank connects the ammonium bicarbonate feed chute.

Further, a cooling and heating switching jacket is sleeved outside the precipitation tank.

Furthermore, the settling tank is connected with the upper part of the elevated tank, and the lower part of the elevated tank is connected with the centrifugal machine.

Furthermore, the absorption towers are arranged in a multistage series connection mode.

And further, the filtrate of the filter press is connected with a mother liquor tank, the mother liquor tank is connected with a last stage absorption tower, and a liquid discharge recycling tank at the bottom of the last stage absorption tower.

The utility model adopts a copper dissolving tank to feed electrolytic copper, ammonium bicarbonate and air for reaction, the electrolytic copper, the ammonium bicarbonate and the air are precipitated in a precipitation tank, ammonia-containing water vapor is sent to a multistage condenser for condensation and then sent to an absorption tower, carbonized ammonia water of the absorption tower enters a carbonized ammonia water storage tank, the carbonized ammonia water is supplied to an ammonia preparation tank in cooperation with a carbon dioxide storage tank to prepare ammonium bicarbonate, the ammonium bicarbonate is returned and utilized through an ammonium bicarbonate feeding tank, the precipitation tank is sent to an elevated tank after external sleeve-off condensation and then sent to a centrifuge for deposition through the elevated tank, the centrifuge can obtain wet basic copper carbonate, filtrate is sent to a mother liquor tank and then is connected with a discharge liquid recovery tank, the whole reaction equipment is simplified, the product separation efficiency and the byproduct recovery efficiency are high, the product can be effectively reused, and the byproduct recovery cost and the energy consumption are reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: the device comprises a copper dissolving tank 1, an electrolytic copper feeding tank 2, an ammonium bicarbonate feeding tank 3, an air inlet pipe 4, a filter 5, a precipitation tank 6, a jacket 7, an elevated tank 8, a centrifuge 9, a basic copper carbonate collecting tank 10, a filter press 11, a mother liquor tank 12, a condenser 13, an absorption tower 14, a tail gas exhaust pipe 15, a carbonized ammonia water storage tank 16, a carbon dioxide storage tank 17, an ammonia preparation tank 18 and a recovery tank 19.

Detailed Description

The following is further described with reference to the accompanying drawings.

FIG. 1 shows: the safe production line of the wet basic copper carbonate comprises a copper dissolving tank 1, an electrolytic copper feeding tank 2, an ammonium bicarbonate feeding tank 3, an air inlet pipe 4, a filter 5, a precipitation tank 6, a jacket 7, an elevated tank 8, a centrifuge 9, a basic copper carbonate collecting tank 10, a filter press 11, a mother liquor tank 12, a condenser 13, an absorption tower 14, a tail gas exhaust pipe 15, a carbonized ammonia water storage tank 16, a carbon dioxide storage tank 17, an ammonia preparation tank 18 and a recovery tank 19.

The copper dissolving tank 1 is connected with an electrolytic copper feeding tank 2, an ammonium bicarbonate feeding tank 3 and an air inlet pipe 4, the bottom of the copper dissolving tank 1 is connected with a filter 5, the filter 5 is connected with the upper part of a precipitation tank 6, a jacket 7 for cooling and heating switching is sleeved outside the precipitation tank 6, the precipitation tank 6 is connected with the upper part of an elevated tank 8, the lower part of the elevated tank is connected with a centrifugal machine 9, the discharge material at the lower part of the centrifugal machine 9 is connected with a basic copper carbonate collecting tank 10, the discharge liquid of the centrifugal machine is connected with a filter press 11, and the filtrate of the filter press 11 is connected with a mother liquid tank 12; the top of the settling tank 6 is connected with a plurality of condensers 13 which are sequentially connected in series, and then is sent to a plurality of absorption towers 14 which are sequentially connected in series, the tail absorption tower is connected with a tail gas exhaust pipe, the bottom of the first absorption tower is connected with a carbonized ammonia water storage tank 16, the carbonized ammonia water storage tank and a carbon dioxide storage tank 17 are connected with an ammonia preparation tank 18, the ammonia preparation tank is connected with an ammonium bicarbonate feeding tank 3, a mother liquid tank 12 is connected with a last-stage absorption tower, and a liquid discharge recycling tank 19 is arranged at the bottom of the last-stage absorption tower.

Claims

1. The utility model provides a wet process basic copper carbonate safety line, is including dissolving copper groove, precipitation tank, centrifuge, pressure filter, its characterized in that: dissolve the copper tank and connect electrolytic copper feed chute, ammonium bicarbonate feed chute and air intake pipe, dissolve copper tank bottom and connect the filter, the filter connects precipitation tank upper portion, and the precipitation tank bottom connects centrifugal machine, and the centrifuge lower part is arranged material and is connect basic copper carbonate collecting vat, and the centrifuge flowing back connects the pressure filter, send the absorption tower behind the condenser that the precipitation tank top connects multistage series in proper order, the absorption tower connects tail gas exhaust pipe, the absorption tower bottom connects carbonization aqueous ammonia storage tank, and carbonization aqueous ammonia storage tank and carbon dioxide storage tank connect the ammonia blending tank altogether, and the ammonia blending tank connects the ammonium bicarbonate feed chute.

2. The wet basic copper carbonate safety production line of claim 1, which is characterized in that: and a cooling and heating switching jacket is sleeved outside the precipitation tank.

3. The wet basic copper carbonate safety production line of claim 1, which is characterized in that: the settling tank is connected with the upper part of the elevated tank, and the lower part of the elevated tank is connected with the centrifugal machine.

4. The wet basic copper carbonate safety production line of claim 1, which is characterized in that: the absorption towers are arranged in a multistage series connection.

5. The wet basic copper carbonate safety production line of claim 4, which is characterized in that: the filtrate of the filter press is connected with a mother liquor tank, the mother liquor tank is connected with a last stage absorption tower, and a liquid discharge recycling tank is arranged at the bottom of the last stage absorption tower.