CN212770292U - Processing apparatus who contains nickel waste liquid - Google Patents
Processing apparatus who contains nickel waste liquid Download PDFInfo
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- CN212770292U CN212770292U CN202021491979.4U CN202021491979U CN212770292U CN 212770292 U CN212770292 U CN 212770292U CN 202021491979 U CN202021491979 U CN 202021491979U CN 212770292 U CN212770292 U CN 212770292U
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- waste liquid
- nickel
- separator
- containing waste
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Abstract
The utility model discloses a processing apparatus of nickel-containing waste liquid, a serial communication port, including evaporimeter, separator, stiff ware and centrifuge, be provided with feed inlet and first delivery outlet on the evaporimeter, the feed inlet is used for accepting nickel-containing waste liquid, the separator with the setting is connected to the first delivery outlet of evaporimeter, be provided with the third delivery outlet on the separator, the stiff ware with the setting is connected to the third delivery outlet of separator, be provided with the fourth delivery outlet on the stiff ware, centrifuge with the setting is connected to the fourth delivery outlet of stiff ware. In this way, the utility model discloses can subtract the industrial waste water that nickel sulfate, nickel chloride content were about 10% by weight more than 90%, the evaporation forms crystallization salts such as likepowder nickel sulfate, nickel chloride, reduction industrial enterprise's that can be very big waste treatment cost. Ensures no scaling and crystallization blockage in the treatment device, has better salting-out resistance, is easy to clean and operate, and has lower cost.
Description
Technical Field
The utility model relates to an environmental protection processing technology field of industrial waste water especially relates to a processing apparatus who contains nickel waste liquid.
Background
As industry develops, industry produces a greater and greater variety of industrial wastes and waste waters. With the popularization of the worldwide environmental protection concept and the requirements of national environmental protection policies, people pay more attention to the treatment of the industrial wastes and the wastewater. The industrial wastewater containing the nickel sulfate solution has very high viscosity, is easy to foam and scale, has relatively low heat sensitivity, and has small saturation change along with concentration, so that the industrial wastewater is not well treated at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a processing apparatus who contains nickel waste liquid, is applicable to and handles the industrial waste water who contains nickel sulfate solution, excellent in use effect.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a processing apparatus of nickel-containing waste liquid, includes evaporimeter, separator, stiff ware and centrifuge, be provided with feed inlet and first delivery outlet on the evaporimeter, the feed inlet is used for accepting nickel-containing waste liquid, the separator with the setting is connected to the first delivery outlet of evaporimeter, be provided with the third delivery outlet on the separator, the stiff ware with the setting is connected to the third delivery outlet of separator, be provided with the fourth delivery outlet on the stiff ware, centrifuge with the setting is connected to the fourth delivery outlet of stiff ware.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a feeding pump, wherein the feeding pump is disposed on a pipeline communicated with the feeding port.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a preheater, and the preheater is disposed on a pipe communicated with the feed inlet.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a distilled water tank, wherein a second output port is provided on the evaporator, and the distilled water tank is connected to the second output port.
In a preferred embodiment of the present invention, the evaporator is a forced circulation evaporator.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a forced circulation pump and a sixth output port, the sixth output port is disposed on the separator, and the sixth output port is connected to the evaporator through the forced circulation pump.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a circulating discharge pump. The sixth output port, the forced circulation pump, the circulating discharge pump and the thickener are arranged in sequence.
In a preferred embodiment of the present invention, the device for treating nickel-containing waste liquid further comprises a compressor and a seventh output port, the seventh output port is disposed on the separator, and the seventh output port is connected to the evaporator through the compressor.
In a preferred embodiment of the present invention, the evaporator is provided with an input port.
In a preferred embodiment of the present invention, the device for processing nickel-containing waste liquid further comprises a mother liquid tank, a mother liquid pump, an eighth output port and a ninth output port, the eighth output port is disposed on the thickener, the ninth output port is disposed on the centrifuge, and the eighth output port and the ninth output port pass through the mother liquid tank and the mother liquid pump and the evaporator.
The utility model has the advantages that: the utility model discloses a processing apparatus of nickel-containing waste liquid can subtract the industrial waste water that nickel sulfate, nickel chloride content were about 10% by weight more than 90%, and the evaporation forms crystallization salts such as likepowder nickel sulfate, nickel chloride, reduction industrial enterprise's that can be very big waste disposal cost. Ensures no scaling and crystallization blockage in the treatment device, has better salting-out resistance, is easy to clean and operate, and has lower cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the nickel-containing waste liquid treatment apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a nickel-containing waste liquid treatment apparatus is provided, which includes a feed pump 1, a preheater 2, a distilled water tank 3, an evaporator 4, a separator 5, a thickener 6, a centrifuge 7, a forced circulation pump 8, a circulating discharge pump 9, a compressor 10, a mother liquor tank 11, and a mother liquor pump 12. Be provided with feed inlet, first delivery outlet and second delivery outlet on the evaporimeter, the feed inlet is used for accepting nickeliferous waste liquid. The feed pump set up with on the pipeline of feed inlet intercommunication, the feed pump can make things convenient for the feeding. The preheater is arranged on a pipeline communicated with the feeding hole, and is specifically arranged between the feeding pump and the evaporator. The preheater can be one-stage or multi-stage cascade, in this embodiment, the number of the preheaters is two, and the multi-stage cascade has a better preheating effect. The nickel-containing waste liquid enters the preheater through the feed pump. The distilled water tank is connected with the second output port, the second output port is used for outputting distilled water generated by heating and evaporating the nickel-containing waste liquid in the evaporator to the distilled water tank, and the distilled water tank can receive and store the distilled water. The distilled water jar can with the setting is connected to the pre-heater, distilled water in the distilled water jar is carried in the pre-heater, there is the pipeline that distilled water passes through and the pipeline that nickeliferous waste liquid passes through in the pre-heater, and the distilled water can preheat nickeliferous waste liquid. The temperature of distilled water is very high, can be used to preheat the preceding nickel-containing waste liquid of handling, can promote subsequent evaporation effect.
The evaporator can heat, evaporate and concentrate the nickel-containing waste liquid, and the evaporator is a forced circulation evaporator, so that the nickel-containing waste liquid can be effectively prevented from being crystallized, deposited and blocked in a heat exchange tube of the evaporator. The first output port is connected with the separator, and the separator can receive the nickel-containing waste liquid concentrated by the evaporator. The separator can carry out flash evaporation on concentrated nickel-containing waste liquid, solid-liquid separation is carried out after materials reach a saturated state, crystal growth is carried out at the bottom of the separator, and crystal salt is separated out.
The separator is provided with a third output port, the thickener is connected with the third output port of the separator and is used for receiving crystal salt separated out from the separator and thickening the crystal salt, so that the crystal content can be reduced, and blockage is prevented. When a large amount of crystallized salt is precipitated at the bottom of the separator, the circulation between the evaporator and the separator is closed, and the thickener can pump the crystallized salt at the bottom of the separator into the thickener. The thickener is provided with a fourth output port, the centrifuge is connected with the fourth output port of the thickener and used for receiving the thickened crystal salt, centrifugally dewatering the thickened crystal salt and outputting powdery crystal salt, and the centrifuge is provided with a fifth output port used for outputting the powdery crystal salt.
And a sixth output port is arranged on the separator and is connected with the evaporator through the forced circulation pump. The forced circulation pump can ensure that the nickel-containing waste liquid has enough speed to flow in the evaporator so as to avoid scaling and crystallization in the evaporator. The flow velocity of the nickel-containing waste liquid is generally 1.5 to 3.0 m/s. Under the action of the forced circulation pump, the nickel-containing waste liquid can be circularly treated in the evaporator and the separator, and meanwhile, crystal growth is carried out at the bottom of the separator. After finishing the crystal growth, the mixture enters a thickener.
The sixth output port, the forced circulation pump, the circulation discharge pump and the thickener are sequentially arranged, and the sixth output port of the separator is connected with the thickener through the forced circulation pump and the circulation discharge pump. And the circulating discharging pump works in a clearance mode, and when the crystallized salt meets the discharging condition, the crystallized salt is sent into the thickener for thickening. The thickener can increase the solid content of the crystalline salt from 10% to about 30%.
And a seventh output port is arranged on the separator, and the seventh output port is connected with the evaporator through the compressor. Through the arrangement of the compressor, the evaporator can receive the secondary steam output by the separator. The secondary steam is recycled for evaporation, the overall evaporation efficiency is improved, and the operating cost of the whole device is also reduced. The compressor can adopt a high-efficiency Roots compressor. The evaporator is provided with an input port for receiving fresh steam. The device is provided with a compressor, so that the secondary steam of the separator can be recycled, and the fresh steam quantity required to be used is very small.
An eighth output port is arranged on the thickener, a ninth output port is arranged on the centrifuge, and the eighth output port and the ninth output port are connected with the evaporator through the mother liquid tank and the mother liquid pump. Mother liquor overflowing from the thickener and the centrifuge flows into the mother liquor tank and is pumped into the evaporator through the mother liquor pump. Specifically, the mother liquor pump is connected with the forced circulation pump, and the mother liquor is sent to the evaporator for treatment through the forced circulation pump, so as to further improve the overall evaporation and crystallization efficiency.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a processing apparatus of nickel-containing waste liquid, its characterized in that, includes evaporimeter, separator, stiff ware and centrifuge, be provided with feed inlet and first delivery outlet on the evaporimeter, the feed inlet is used for accepting nickel-containing waste liquid, the separator with the setting is connected to the first delivery outlet of evaporimeter, be provided with the third delivery outlet on the separator, the stiff ware with the setting is connected to the third delivery outlet of separator, be provided with the fourth delivery outlet on the stiff ware, centrifuge with the setting is connected to the fourth delivery outlet of stiff ware.
2. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a feed pump provided on a pipe communicating with the feed port.
3. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a preheater provided in a pipe communicating with the feed port.
4. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a distilled water tank, wherein a second outlet is provided on the evaporator, and the distilled water tank is connected to the second outlet.
5. The apparatus for treating nickel-containing waste liquid according to claim 1, wherein the evaporator is a forced circulation evaporator.
6. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a forced circulation pump and a sixth outlet, wherein the sixth outlet is provided on the separator, and the sixth outlet is connected to the evaporator through the forced circulation pump.
7. The apparatus for treating nickel-containing waste liquid according to claim 6, further comprising a circulating discharge pump, wherein the sixth outlet, the forced circulation pump, the circulating discharge pump and the thickener are sequentially disposed.
8. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a compressor and a seventh outlet, wherein the seventh outlet is provided on the separator, and the seventh outlet is provided in connection with the evaporator via the compressor.
9. The apparatus for treating nickel-containing waste liquid according to claim 1, wherein the evaporator is provided with an inlet.
10. The apparatus for treating nickel-containing waste liquid according to claim 1, further comprising a mother liquid tank, a mother liquid pump, an eighth output port, and a ninth output port, wherein the eighth output port is disposed on the thickener, the ninth output port is disposed on the centrifuge, and the eighth output port and the ninth output port are connected to the evaporator through the mother liquid tank and the mother liquid pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491979.4U CN212770292U (en) | 2020-07-27 | 2020-07-27 | Processing apparatus who contains nickel waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491979.4U CN212770292U (en) | 2020-07-27 | 2020-07-27 | Processing apparatus who contains nickel waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212770292U true CN212770292U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021491979.4U Active CN212770292U (en) | 2020-07-27 | 2020-07-27 | Processing apparatus who contains nickel waste liquid |
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| Country | Link |
|---|---|
| CN (1) | CN212770292U (en) |
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2020
- 2020-07-27 CN CN202021491979.4U patent/CN212770292U/en active Active
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