CN216273143U - Nickel protoxide low-temperature calcination production line - Google Patents
Nickel protoxide low-temperature calcination production line Download PDFInfo
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- CN216273143U CN216273143U CN202123049082.3U CN202123049082U CN216273143U CN 216273143 U CN216273143 U CN 216273143U CN 202123049082 U CN202123049082 U CN 202123049082U CN 216273143 U CN216273143 U CN 216273143U
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Abstract
The utility model relates to a nickel protoxide low-temperature calcination production line, wherein a ore tank and a hydrochloric acid tank are connected with a reaction kettle, a lime tank and a water tank are connected with a precipitation tank, the reaction kettle is connected with the precipitation tank through a material pump, the precipitation material in the precipitation tank is pumped to a first filter press through a pump, the filter cake of the first filter press is sent to a first washing tank which is connected in sequence, the first washing tank is then sent to a first disperser through a second filter press, the first disperser is sent to a first fluidized bed, the discharge of the first fluidized bed is connected with a rotary calciner, the discharge of the rotary calciner is connected with a second washing tank, the second washing tank is connected with a water bath, the discharge of the water bath is divided into two paths, one path is connected with the first disperser, and the other path is connected with a third filter press, a second disperser, a second fluidized bed and a receiving hopper. The production line can effectively control energy consumption, reduce production cost and is suitable for industrial production.
Description
Technical Field
The utility model relates to a low-temperature calcination production line for nickel protoxide.
Background
The traditional method for producing the nickel protoxide by calcining the nickel carbonate at high temperature belongs to mature technology at home, and the nickel carbonate is calcined and calcined in the range of 1150-1450 ℃ to be instantly decomposed at high temperature to generate the nickel protoxide. The method for producing the nickel protoxide by calcining the nickel carbonate at the high temperature has high energy consumption, is not beneficial to industrialized energy conservation, consumption reduction and low-cost production.
Disclosure of Invention
The utility model provides a nickel protoxide low-temperature calcination production line which can effectively control energy consumption and reduce production cost.
The technical scheme adopted by the utility model is as follows: the utility model provides a nickel protoxide low temperature calcination production line which characterized in that: the device comprises a mineral groove, a hydrochloric acid groove, a lime groove, a water tank, a precipitation tank, a filter press, a washing tank, a scattering device, a fluidized bed, a rotary calcining furnace and a receiving hopper, wherein the mineral groove and the hydrochloric acid groove are connected with a reaction kettle, the lime groove and the water tank are connected with the precipitation tank, the reaction kettle is connected with the precipitation tank through a material pump, the precipitated material in the precipitation tank is pumped to the first filter press through a pump, the filter cake of the first filter press is sent to the first washing tank which is connected in sequence, the first scattering device is sent to the first fluidized bed through a second filter press after the first washing tank, the first scattering device is sent to the first fluidized bed, the discharged material of the first fluidized bed is connected with the rotary calcining furnace, the discharged material of the rotary calcining furnace is connected with the second washing tank, the discharged material of the second washing tank is connected with the water bath, the discharged material of the water bath is divided into two paths, one path is connected with the first scattering device, and the other path is connected with the third filter press, the second scattering device, the second fluidized bed and the receiving hopper.
Furthermore, the reaction kettle and the precipitation tank are externally connected with a steam heating jacket.
Furthermore, the discharge of the first fluidized bed is connected with a multi-layer grading vibrating screen, the lowest stage screen cavity of the multi-layer grading vibrating screen is connected with the rotary calcining furnace, and other screen cavities are connected with the first diffuser.
Furthermore, the water bath pool is externally connected with a water bath jacket.
Furthermore, the exhaust of the rotary calcining furnace is connected with a condenser, the condenser is connected with a cyclone dust collector, the cyclone dust collector is connected with an exhaust pipe outwards after being connected with a bag-type dust collector, and the cyclone dust collector and the bag-type dust collector are connected with a first diffuser.
Furthermore, a cooling water pipeline of the condenser is connected with a steam boiler in a plant area to feed water.
Further, the exhaust pipe is connected with the first fluidized bed for supplying hot air.
Further, the calcination temperature of the rotary calciner is 855 ℃.
The method comprises the steps of feeding nickel-containing ore bischloronickle into a reaction kettle from an ore tank and a hydrochloric acid tank together, removing impurities from the ore and producing a nickel chloride solution, feeding the nickel chloride solution heated and boiled by steam in the reaction kettle into a precipitation tank to react to generate a high-temperature nickel carbonate solution, feeding the nickel chloride solution heated and boiled by the steam in the precipitation tank into a sodium carbonate solution heated and kept boiling by the steam in the precipitation tank, ensuring that the generated nickel carbonate precipitate is sent to a filter press to be filtered and then removed of impurity ions by a washing tank, sending the washed and filtered nickel carbonate precipitate to a scattering device to be scattered and dried by a fluidized bed, ensuring full powder drying by a multi-layer grading vibrating screen after drying, sending the powder to a rotary calciner for calcination, sending a crude nickel protoxide product at the calcination position to the washing tank for washing, heating in a water bath to remove impurities, and collecting the crude nickel protoxide fine product by a receiving hopper after filter press, scattering and drying again. In the process, the crusher is returned for multiple times, and drying and calcining are repeated, so that sufficient calcining conversion can be effectively ensured, calcining heat energy can be effectively recycled, and chlorine salt can be industrially recycled by filter pressing and washing, and the method has the advantages of better industrialization, energy saving, consumption reduction and low cost production.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the device comprises a mineral groove 1, a hydrochloric acid groove 2, a reaction kettle 3, a lime groove 4, a precipitation groove 5, a material pump 6, a first filter press 7, a first washing tank 8, a second filter press 9, a first scattering device 10, a first fluidized bed 11, a multi-layer grading vibration sieve 12, a rotary calcining furnace 13, a second washing tank 14, a water bath tank 15, a third filter press 16, a second scattering device 17, a second fluidized bed 18, a receiving hopper 19, a condenser 20, a cyclone dust collector 21, a bag-type dust collector 22 and an exhaust pipe 23.
Detailed Description
The following is further described with reference to the accompanying drawings.
FIG. 1 shows: a low-temperature calcination production line for nickel protoxide comprises a ore tank 1, a hydrochloric acid tank 2, a reaction kettle 3, a lime tank 4, a precipitation tank 5, a material pump 6, a first filter press 7, a first washing tank 8, a second filter press 9, a first disperser 10, a first fluidized bed 11, a multi-layer grading vibrating screen 12, a rotary calciner 13, a second washing tank 14, a water bath 15, a third filter press 16, a second disperser 17, a second fluidized bed 18, a receiving hopper 19, a condenser 20, a cyclone dust collector 21, a bag-type dust collector 22 and an exhaust pipe 23. The ore tank 1 and the hydrochloric acid tank 2 are connected with a reaction kettle 3, the lime tank 4 is connected with a precipitation tank 5, the precipitation tank 5 is also connected with inlet water, the reaction kettle is connected with the precipitation tank through a pump, precipitation of the precipitation tank is pumped to a first filter press 7 through a material pump 6, filter cakes of the first filter press 7 are sent to a first washing tank 8 which is connected in sequence, the first washing tank is then sent to a first disperser 10 through a second filter press 9, the first disperser is sent to a first fluidized bed 11, the discharge of the first fluidized bed is connected with a multi-layer grading vibrating screen 12, the lowest stage of the multi-layer grading vibrating screen 12 is connected with a rotary calcining furnace 13, other stages are connected with the first disperser 10, the discharge of the rotary calcining furnace 13 is connected with a second washing tank 14, the rear of the second washing tank is connected with a water bath 15, the discharge of the water bath is divided into two paths, one path is connected with the first disperser 10, and the other path is connected with a third filter press 16, a second disperser 17, a second fluidized bed 18 and a receiving hopper 19. The calcining temperature of the rotary calcining furnace 13 is 855 ℃, the exhaust gas of the rotary calcining furnace 13 is connected with a condenser 20, the condenser is connected with a cyclone dust collector 21, and the cyclone dust collector is connected with a bag-type dust collector 22 and then is connected with an exhaust pipe 23 outwards.
On the basis of the embodiment, the lower discharge of the cyclone dust collector and the bag-type dust collector can be connected with the first disperser.
On the basis of the embodiment, the reaction kettle and the precipitation tank can be externally connected with a steam heating jacket; the water bath pool is externally connected with a water bath jacket, a cooling water pipeline of the condenser is connected with a steam boiler in a factory area to feed water, and an exhaust pipe is connected with the first fluidized bed to supply hot air. The system is used for recycling and reusing energy in the system.
Claims (8)
1. The utility model provides a nickel protoxide low temperature calcination production line which characterized in that: the device comprises a mineral groove, a hydrochloric acid groove, a lime groove, a water tank, a precipitation tank, a filter press, a washing tank, a scattering device, a fluidized bed, a rotary calcining furnace and a receiving hopper, wherein the mineral groove and the hydrochloric acid groove are connected with a reaction kettle, the lime groove and the water tank are connected with the precipitation tank, the reaction kettle is connected with the precipitation tank through a material pump, the precipitated material in the precipitation tank is pumped to the first filter press through a pump, the filter cake of the first filter press is sent to the first washing tank which is connected in sequence, the first scattering device is sent to the first fluidized bed through a second filter press after the first washing tank, the first scattering device is sent to the first fluidized bed, the discharged material of the first fluidized bed is connected with the rotary calcining furnace, the discharged material of the rotary calcining furnace is connected with the second washing tank, the discharged material of the second washing tank is connected with the water bath, the discharged material of the water bath is divided into two paths, one path is connected with the first scattering device, and the other path is connected with the third filter press, the second scattering device, the second fluidized bed and the receiving hopper.
2. The low-temperature nickel protoxide calcination production line according to claim 1, characterized in that: the reaction kettle and the precipitation tank are externally connected with a steam heating jacket.
3. The low-temperature nickel protoxide calcination production line according to claim 1, characterized in that: the discharging of the first fluidized bed is connected with a multi-layer grading vibrating screen, the lowest stage screen cavity of the multi-layer grading vibrating screen is connected with the rotary calcining furnace, and other screen cavities are connected with the first scattering device.
4. The low-temperature nickel protoxide calcination production line according to claim 1, characterized in that: the water bath pool is externally connected with a water bath jacket.
5. The low-temperature nickel protoxide calcination production line according to claim 1, characterized in that: the exhaust of the rotary calcining furnace is connected with a condenser, the condenser is connected with a cyclone dust collector, the cyclone dust collector is connected with an exhaust pipe outwards after being connected with a bag-type dust collector, and the cyclone dust collector and the bag-type dust collector are connected with a first diffuser.
6. The low-temperature nickel protoxide calcination production line according to claim 5, characterized in that: and a cooling water pipeline of the condenser is connected with a steam boiler in a plant area to feed water.
7. The low-temperature nickel protoxide calcination production line according to claim 5, characterized in that: the exhaust pipe is connected with the first fluidized bed for supplying hot air.
8. The low-temperature nickel protoxide calcination production line according to claim 1 or 5, characterized in that: the calcining temperature of the rotary calcining furnace is 855 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123049082.3U CN216273143U (en) | 2021-12-07 | 2021-12-07 | Nickel protoxide low-temperature calcination production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123049082.3U CN216273143U (en) | 2021-12-07 | 2021-12-07 | Nickel protoxide low-temperature calcination production line |
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| Publication Number | Publication Date |
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| CN216273143U true CN216273143U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123049082.3U Active CN216273143U (en) | 2021-12-07 | 2021-12-07 | Nickel protoxide low-temperature calcination production line |
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| CN (1) | CN216273143U (en) |
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2021
- 2021-12-07 CN CN202123049082.3U patent/CN216273143U/en active Active
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