CN112978807A - Concentration equipment used in process of producing high-purity nickel nitrate by using ABS (acrylonitrile butadiene styrene) plating metal material - Google Patents
Concentration equipment used in process of producing high-purity nickel nitrate by using ABS (acrylonitrile butadiene styrene) plating metal material Download PDFInfo
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- CN112978807A CN112978807A CN201911211088.0A CN201911211088A CN112978807A CN 112978807 A CN112978807 A CN 112978807A CN 201911211088 A CN201911211088 A CN 201911211088A CN 112978807 A CN112978807 A CN 112978807A
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- concentration
- nickel nitrate
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of evaporation concentration equipment, and particularly relates to concentration equipment used in the process of producing high-purity nickel nitrate by using an ABS (acrylonitrile-butadiene-styrene) plated metal material, which comprises a concentration kettle body, an exhaust pipe and a condenser, wherein the exhaust pipe is connected with the top end of the concentration kettle body; the invention can prevent the nickel nitrate from being influenced by concentration at high pressure and high temperature during crystallization, can accelerate uniform heating of the nickel nitrate solution, can also transfer the heat of high-temperature nitrogen to the nickel nitrate solution, accelerate temperature rise of the nickel nitrate solution, shorten concentration time, and has excellent concentration effect.
Description
Technical Field
The invention belongs to the technical field of evaporation concentration equipment, and particularly relates to concentration equipment used in a process of producing high-purity nickel nitrate by using an ABS (acrylonitrile butadiene styrene) metal plating material.
Background
As the quantity of automobiles in China is larger and larger, ABS electroplated parts are more and more, and the ABS electroplated parts are more and more scrapped in electroplating production, so that the recovery of copper and nickel in the ABS electroplated parts is an important way for reducing the cost and improving the enterprise benefit. Wherein the recovery of nickel metal is mainly recovered in a nickel nitrate mode, and the main process steps comprise: crushing the ABS electroplated part, magnetically separating and screening, adding acid to dissolve, concentrating and crystallizing, filtering and drying. Control is especially important in the process of heating and concentrating the nickel nitrate, because the nickel nitrate solution has certain acidity, has corrosive action on the stirrer of the concentration kettle in the later period of concentration, and in addition, the melting point and the boiling point of the nickel nitrate solution are lower, and improper temperature control of a heater in the evaporation and concentration process can also influence the amount of the concentrated nickel nitrate.
For example, the utility model with the patent number CN206810150U discloses a stirring, concentrating and heating kettle, which is fixed on the ground through supporting legs, a feed inlet and a recovery pipe are arranged on the top surface of the heating kettle, a discharge outlet is arranged on the bottom surface of the heating kettle, and sealing covers are arranged on the feed inlet and the discharge outlet; a stirring device is arranged in the heating kettle, the stirring device comprises a vertical rotating shaft and propellers, the propellers are uniformly distributed on the vertical rotating shaft, the vertical rotating shaft is connected with a gearbox positioned at the top of the heating kettle, and the gearbox is connected with a motor; the heating kettle comprises two layers of kettle walls, namely an inner side kettle wall and an outer side kettle wall, heat conduction oil is filled in a gap between the inner side kettle wall and the outer side kettle wall, a heating guide pipe is arranged in the heat conduction oil, the heating guide pipe is communicated with an external power supply through an electric wire and a plug, and a heat conduction oil pressure relief pipe is arranged on the outer side kettle wall. Although the concentration stirring kettle can heat and concentrate the nickel nitrate solution, the stirring device is in long-term contact with the nickel nitrate solution in the heating and concentrating process, and the corrosion of the stirring device is easily caused. In addition, the solution needs to be heated to about 100 ℃ in the concentration process, and when the nickel nitrate solution is concentrated to the crystallization process, the nickel nitrate crystallization is greatly influenced by higher temperature. Therefore, aiming at the defects of the existing device, the invention provides a concentration device which can effectively solve the technical problems and is specially used for recovering the nickel nitrate solution, and the technical problems to be solved are solved.
Disclosure of Invention
Aiming at the defect that the existing stirring, concentrating and heating kettle can not concentrate and crystallize the nickel nitrate solution, the invention provides concentrating equipment used in the process of producing high-purity nickel nitrate by using an ABS (acrylonitrile butadiene styrene) metal plating material.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a concentrated equipment that uses in process of producing high-purity nickel nitrate with ABS metalling material, includes the concentrated cauldron body, blast pipe and condenser, the blast pipe is connected with the top of the concentrated cauldron body, the condenser is connected with the blast pipe, is located be provided with the charge door on the top of the concentrated cauldron body of blast pipe side, the periphery of the concentrated cauldron body is provided with shell layer, shell layer and the interlude of concentrated cauldron body periphery have formed steam heating chamber, shell layer's lower surface is connected with steam inlet pipe, shell layer's upper surface is connected with a plurality of steam outlet pipes, all be provided with the steam valve on steam inlet pipe and the steam outlet pipe, steam inlet pipe's outer end is connected with steam generator, the lower extreme of blast pipe is linked together with steam generator's top, is located concentrated cauldron body circumference lateral surface below shell layer is provided with the ring pipe, the device comprises a concentration kettle body, a gas heater, a vacuum pump, a gas nozzle, a gas heater, a first electromagnetic valve, a vacuum tube and a second electromagnetic valve, wherein the annular tube is provided with the gas nozzle extending into the bottom end of the interior of the concentration kettle body;
be fixed with servo motor on the upper end side of the concentrated cauldron body, the upper surface of shell layer is provided with sealed bearing, servo motor's output shaft passes through sealed bearing and stretches into in the steam heating chamber, and the servo motor's that is located in the steam heating chamber output shaft lower extreme is connected with the lead screw, be provided with annular sealing plate in the steam heating chamber, be provided with on the annular sealing plate can with lead screw matched with nut, be located the slide opening has been seted up on the contralateral annular sealing plate of nut, be connected with on the shell layer with slide opening matched with slide bar, be located the lower extreme of lead screw and slide bar all is provided with the stopper, is located concentrated cauldron body side is provided with the switch board, the switch board passes through wire control steam generator, gas heater, first solenoid valve and second solenoid valve.
As a further improvement of the scheme, the number of the steam outlet pipes is three, the steam outlet pipes are arranged along the outer surface of the outer shell layer from top to bottom at equal intervals, and each steam outlet pipe is provided with a steam valve.
As a further improvement of the scheme, the outer surface of the outer shell layer is provided with a heat insulation layer, the wall thickness of the concentration kettle body positioned at the steam heating cavity is lower than that of the concentration kettle bodies at the upper end and the lower end, and the inner wall of the concentration kettle body is made of corrosion-resistant heat-conducting materials.
As a further improvement of the scheme, a liquid level sensor is arranged on the inner wall of the concentration kettle body, the liquid level sensor is connected with a signal input end of the control cabinet, and the servo motor is connected with a signal output end of the control cabinet.
As a further improvement of the scheme, a liquid level meter is arranged on the side surface of the steam generator, and a triangular supporting foot frame is arranged at the lower end of the steam generator.
As a further improvement of the scheme, a temperature sensor is arranged in the gas heater, a temperature display meter is arranged outside the gas heater, and the temperature sensor is connected with the temperature display meter.
As a further improvement of the scheme, the outer side face and the outer side face of the annular sealing plate are both provided with wear-resistant sealing layers.
As a further improvement of the scheme, the cooling medium of the condenser is cold air, and the pipeline of the condenser in the condenser is in an S-shaped design.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the temperature for evaporating and concentrating the nickel nitrate solution in the reaction kettle is effectively reduced to about 50-60 ℃ through the vacuum pump, so that the influence of concentration at high pressure and high temperature on nickel nitrate crystallization is prevented; in addition, add high temperature steam through heating the chamber to steam heating and heat nickel nitrate solution, the local heating temperature that causes when can effectively preventing resistance heater heating is too high and heat inhomogeneous not enough, let in gas heater with nitrogen gas simultaneously and heat to the uniform temperature after, open first solenoid valve again, a large amount of high temperature nitrogen gas are bloated into to the bottom of nickel nitrate solution, it not only can drive the internal portion's of concentrated cauldron nickel nitrate solution and roll, it is even to be heated with higher speed, can also give nickel nitrate solution with high temperature nitrogen gas's heat transfer, it heaies up with higher speed, shorten the concentration time.
2. In the concentration process, when the liquid level of the nickel nitrate solution is at different levels, the annular sealing plate can move downwards along the steam heating cavity through the rotation of the servo motor and the action of the sliding rod, and the opening or closing of steam valves on different steam outlet pipes is controlled, so that the steam heating space is reduced, the high-temperature steam quantity is reduced, and the concentration effect is not realized; in addition, still with directly letting in steam generator behind the blast pipe through the condenser, can effectively carry out cyclic utilization to the heat of concentration in-process steam, realize energy-conserving effect.
Drawings
FIG. 1 is a first angular perspective view of the present invention.
FIG. 2 is a second angular perspective view of the present invention.
Fig. 3 is a schematic view of the front view of the internal plane structure of the present invention.
Fig. 4 is a perspective view of the annular seal plate of the present invention.
Fig. 5 is a cross-sectional top view at a-a in fig. 3.
In the figure: 1-a concentration kettle body, 2-an exhaust pipe, 3-a condenser, 4-an outer shell layer, 5-a feed inlet, 6-a steam inlet pipe, 7-a steam outlet pipe, 8-a steam valve, 9-a steam generator, 901-a liquid level meter, 902-a triangular support, 10-a circular pipe, 11-air injection, 12-a gas heater, 121-a temperature display meter, 13-a vacuum pumping pipe, 14-a vacuum pump, 15-a second electromagnetic valve, 16-a first electromagnetic valve, 17-a servo motor, 18-a sealing bearing, 19-a screw rod, 20-a circular sealing plate, 21-a nut, 22-a sliding rod, 23-a limiting block, 24-a control cabinet and 25-a liquid level sensor.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The following embodiments are described in detail with reference to the accompanying drawings 1 to 5:
example 1:
The periphery of the concentrating kettle body 1 is provided with a shell layer 4, the middle section of the shell layer 4 and the periphery of the concentrating kettle body 1 forms a steam heating cavity (not marked in the figure), the outer surface of the shell layer 4 is provided with a heat insulating layer (not shown in the figure), the wall thickness of the concentrating kettle body 1 positioned at the steam heating cavity is lower than that of the concentrating kettle bodies 1 at the upper end and the lower end, and the inner wall of the concentrating kettle body 1 is made of a corrosion-resistant heat conducting material. The lower surface of the outer shell layer 4 is connected with a steam inlet pipe 6, the upper surface of the outer shell layer 4 is connected with a plurality of steam outlet pipes 7, the number of the steam outlet pipes 7 in the embodiment 1 is preferably three, the steam outlet pipes are arranged along the outer surface of the outer shell layer 4 from top to bottom at equal intervals, and each steam outlet pipe 7 is provided with a steam valve 8. The outer end of the steam inlet pipe 6 is connected with a steam generator 9, the side surface of the steam generator 9 is provided with a liquid level meter 901, and the lower end of the steam generator is provided with a triangular supporting foot stand 902. The lower end of the exhaust pipe 2 is communicated with the top end of the steam generator 9, and the condensed water with heat of evaporation and condensation can be used as the evaporated water through the design, so that the effect of heat recycling is achieved.
The outer side of the circumference of the concentration kettle body 1 below the outer shell layer 4 is provided with an annular pipe 10, the annular pipe 10 is provided with an air nozzle 11 extending into the bottom end inside the concentration kettle body 1, the side of the concentration kettle body 1 is provided with an air heater 12, the air heater 12 is internally provided with a temperature sensor, the outside of the air heater is provided with a temperature display meter 121, and the temperature sensor is connected with the temperature display meter 121. Gas heater 12 passes through the pipeline and is connected on the ring pipe 10 to be provided with first solenoid valve 16 on the pipeline, through letting in nitrogen gas to gas heater 12, and open first solenoid valve 16 again after the gas heating and let in the bottom of nickel nitrate solution with thermal nitrogen gas, thereby drive nickel nitrate solution and roll, it can not only make the heating of nickel nitrate solution even, but also can give nickel nitrate solution with the heat transfer that nitrogen gas has, accelerates its intensification. The upper end of the concentration kettle body 1 is communicated with a vacuum tube 13, the outer end of the vacuum tube 13 is connected with a vacuum pump 14, and the vacuum tube 13 is provided with a second electromagnetic valve 15. A control cabinet 24 is arranged beside the concentration kettle body 1, and the control cabinet 24 controls the steam generator 9, the gas heater 12, the first electromagnetic valve 16 and the second electromagnetic valve 15 through leads. In this embodiment 1, through the effect of switch board 24, the intermittent type formula is realized rolling the nickel nitrate solution to the concentration cauldron body 1 through high temperature nitrogen gas drive, its intensification with higher speed to the intermittent type formula is taken away the nitrogen gas after letting in the heat exchange through vacuum pump 14, keeps the inside low pressure state of concentration cauldron body 1 constantly.
Example 2
In addition, a liquid level sensor 25 is arranged on the inner wall of the concentration kettle body 1, the liquid level sensor 25 is connected with a signal input end of a control cabinet 24, and the servo motor 17 is connected with a signal output end of the control cabinet 24. When the liquid level in the concentration kettle body 1 is reduced, the liquid level sensor 25 sends a signal, the control cabinet 24 controls the servo motor 17 to rotate, the annular sealing plate 20 moves downwards along the steam heating cavity left and right through the screw connection of the screw rod 19 and the nut 21, so that the space of the steam heating cavity is reduced, and meanwhile, the corresponding steam valve 8 is manually closed or opened.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (8)
1. The utility model provides a concentrator that uses in process of producing high-purity nickel nitrate with ABS coating metal material, includes the concentration cauldron body (1), blast pipe (2) and condenser (3), blast pipe (2) are connected with the top of the concentration cauldron body (1), condenser (3) are connected with blast pipe (3), are located be provided with charge door (5) on the top of the concentration cauldron body (1) of blast pipe (2) side, its characterized in that, the periphery of the concentration cauldron body (1) is provided with shell layer (4), the middle section of shell layer (4) and the concentration cauldron body (1) periphery has formed the steam heating chamber, the lower surface of shell layer (4) is connected with steam inlet pipe (6), the upper surface of shell layer (4) is connected with a plurality of steam outlet pipe (7), all be provided with steam valve (8) on steam inlet pipe (6) and steam outlet pipe (7), the outer end of the steam inlet pipe (6) is connected with a steam generator (9), the lower end of the exhaust pipe (2) is communicated with the top end of the steam generator (9), the outer side surface of the circumference of the concentrating kettle body (1) below the outer shell layer (4) is provided with an annular pipe (10), the annular pipe (10) is provided with an air nozzle (11) extending into the bottom end of the interior of the concentrating kettle body (1), a gas heater (12) is arranged beside the concentrating kettle body (1), the gas heater (12) is connected with the annular pipe (10) through a pipeline, a first electromagnetic valve (16) is arranged on the pipeline, the upper end of the concentrating kettle body (1) is communicated with a vacuum pumping pipe (13), the outer end of the vacuum pumping pipe (13) is connected with a vacuum pump (14), and the vacuum pumping pipe (13) is provided with a second electromagnetic valve (15);
the concentrating kettle comprises a concentrating kettle body (1), wherein a servo motor (17) is fixed on the side face of the upper end of the concentrating kettle body (1), a sealing bearing (18) is arranged on the upper surface of a shell layer (4), an output shaft of the servo motor (17) extends into a steam heating chamber through the sealing bearing (18), a screw rod (19) is connected to the lower end of the output shaft of the servo motor (17) positioned in the steam heating chamber, an annular sealing plate (20) is arranged in the steam heating chamber, a nut (21) capable of being matched with the screw rod (19) is arranged on the annular sealing plate (20) positioned on the opposite side of the nut (21), a sliding rod (22) matched with the sliding hole is connected to the shell layer (4), a limiting block (23) is arranged at the lower ends of the screw rod (19) and the sliding rod (22), a control cabinet (24) is arranged on the side of the concentrating kettle body, the control cabinet (24) controls the steam generator (9), the gas heater (12), the first electromagnetic valve (16) and the second electromagnetic valve (15) through leads.
2. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating according to claim 1, is characterized in that the three vapor outlet pipes (7) are arranged equidistantly from top to bottom along the outer surface of the outer shell layer (4), and each vapor outlet pipe (7) is provided with a vapor valve (8).
3. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating according to claim 1, wherein the outer surface of the shell layer (4) is provided with a heat insulation layer, the wall thickness of the concentration kettle body (1) positioned at the steam heating cavity is lower than that of the concentration kettle bodies (1) at the upper end and the lower end, and the inner wall of the concentration kettle body (1) is made of corrosion-resistant heat-conducting material.
4. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating according to claim 1, wherein a liquid level sensor (25) is arranged on the inner wall of the concentration kettle body (1), the liquid level sensor (25) is connected with a signal input end of a control cabinet (24), and the servo motor (17) is connected with a signal output end of the control cabinet (24).
5. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating according to claim 1, characterized in that the side surface of the steam generator (9) is provided with a liquid level meter (901), and the lower end of the steam generator is provided with a triangular supporting foot stand (902).
6. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating material according to claim 1, characterized in that a temperature sensor is arranged in the gas heater (12), a temperature display meter (121) is arranged outside the gas heater, and the temperature sensor is connected with the temperature display meter (121).
7. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating according to claim 1, wherein the outer side surface and the outer side surface of the annular sealing plate (20) are both provided with wear-resistant sealing layers (201).
8. The concentration equipment used in the process of producing high-purity nickel nitrate by using ABS metal plating is characterized in that the cooling medium of the condenser (3) is cold air, and the internal condenser pipeline is of an S-shaped design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211088.0A CN112978807A (en) | 2019-12-02 | 2019-12-02 | Concentration equipment used in process of producing high-purity nickel nitrate by using ABS (acrylonitrile butadiene styrene) plating metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211088.0A CN112978807A (en) | 2019-12-02 | 2019-12-02 | Concentration equipment used in process of producing high-purity nickel nitrate by using ABS (acrylonitrile butadiene styrene) plating metal material |
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| Publication Number | Publication Date |
|---|---|
| CN112978807A true CN112978807A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911211088.0A Withdrawn CN112978807A (en) | 2019-12-02 | 2019-12-02 | Concentration equipment used in process of producing high-purity nickel nitrate by using ABS (acrylonitrile butadiene styrene) plating metal material |
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| CN (1) | CN112978807A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532197A (en) * | 2022-11-30 | 2022-12-30 | 南通星球石墨股份有限公司 | MVR multiple-effect evaporation condensate water recovery system |
-
2019
- 2019-12-02 CN CN201911211088.0A patent/CN112978807A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532197A (en) * | 2022-11-30 | 2022-12-30 | 南通星球石墨股份有限公司 | MVR multiple-effect evaporation condensate water recovery system |
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Application publication date: 20210618 |