CN212713111U - Processing apparatus is applied mechanically in spent acid circulation - Google Patents
Processing apparatus is applied mechanically in spent acid circulation Download PDFInfo
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- CN212713111U CN212713111U CN202021373192.8U CN202021373192U CN212713111U CN 212713111 U CN212713111 U CN 212713111U CN 202021373192 U CN202021373192 U CN 202021373192U CN 212713111 U CN212713111 U CN 212713111U
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Abstract
The utility model discloses a processing apparatus is used with cover to spent acid circulation, including neutralization reaction kettle, activated carbon adsorption reation kettle, the filter, three effect evaporation ware, the recovery water tank, water pump and pressure filter, the filtrating exit linkage of pressure filter neutralization reation kettle's feed inlet, activated carbon adsorption reation kettle's feed inlet is connected to neutralization reaction kettle's discharge gate, the filter is connected to activated carbon adsorption reation kettle's discharge gate, the filtrating exit linkage three effect evaporation ware's of filter inlet, three effect evaporation ware's comdenstion water exit linkage recovery water tank, the water inlet of pressure filter is connected to the recovery water tank, the water pump sets up between recovery water tank and pressure filter. The treatment device for recycling the waste acid can recycle the water in the waste acid while treating and recycling the waste acid, thereby effectively saving water consumption.
Description
Technical Field
The utility model belongs to the technical field of dyestuff processing equipment, specifically a processing apparatus is used for waste acid circulation cover.
Background
In the synthetic process of the anthraquinone disperse dye, due to the long synthetic process route and the complex process, more acidic wastewater, alkaline wastewater and high-salt wastewater are generated, so that the subsequent sewage treatment is burdened and the treatment cost is high, and the long-term development of enterprises is not facilitated. At present, aiming at the problem that acidic wastewater generated in the synthesis process of anthraquinone type disperse dyes is sulfuric acid with the concentration of about 60%, the acidic wastewater is generally recovered by preparing an agricultural standard fertilizer ammonium sulfate dry product, a part of low-concentration waste acid is generated when a filter press is cleaned, part of water needs to be evaporated to obtain high-concentration waste acid for recycling when the waste acid is recycled, the existing filter press is directly cleaned by tap water, and the water evaporated from the low-concentration waste acid is directly wasted, so that the consumed water amount is increased, and the energy conservation and emission reduction are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to prior art, provide a processing apparatus is used mechanically to spent acid circulation, this kind of spent acid circulation is used mechanically processing apparatus not only can utilize the sulphuric acid in the spent acid, can retrieve the aqueous vapor that the low concentration spent acid evaporation that the pressure filter produced moreover to water with retrieving is used for the washing of pressure filter, uses water consumption sparingly.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a processing apparatus is applied mechanically in spent acid circulation, includes neutralization reaction cauldron, activated carbon adsorption reation kettle, filter, three effect evaporators, recycle water tank, water pump and pressure filter, the filtrating exit linkage of pressure filter neutralization reaction cauldron's feed inlet, neutralization reaction cauldron's discharge gate is connected activated carbon adsorption reation kettle's feed inlet, activated carbon adsorption reation kettle's discharge gate is connected the filter, the filtrating exit linkage of filter the inlet of three effect evaporators, the comdenstion water exit linkage of three effect evaporators the recycle water tank, the recycle water tank connects the water inlet of pressure filter, the water pump set up in recycle water tank with between the pressure filter. The waste acid recycling treatment device can utilize sulfuric acid in waste acid, can recover water vapor generated by low-concentration waste acid evaporation of the filter press, and can be used for cleaning the filter press, so that water consumption is reduced.
In the above technical scheme, preferably, the material outlet of the triple-effect evaporator is connected with a centrifuge, the liquid outlet of the centrifuge is connected with a single-effect evaporator, and the condensed water outlet of the single-effect evaporator is connected with the recovery water tank. The mother liquor after passing through the triple-effect evaporator enters a centrifuge to separate ammonium sulfate from the mother liquor, and then the mother liquor is continuously evaporated through the single-effect evaporator, so that the recovery water quantity can be further improved.
Among the above-mentioned technical scheme, preferred, centrifuge's slag notch is connected with the storage case.
In the above technical scheme, preferably, the material outlet of the single-effect evaporator is connected with a waste liquid collecting box.
Compared with the prior art, the utility model, following beneficial effect has: the waste acid recycling treatment device enters waste acid filtrate pressed and filtered by a filter press into a neutralization reaction kettle, ammonia is introduced for neutralization reaction, the waste acid filtrate enters an activated carbon adsorption reaction kettle after the reaction is finished, activated carbon is added for decolorization, then the activated carbon is filtered out through a filter, the filtrate enters a triple-effect evaporator to evaporate water, the water evaporated by the triple-effect evaporator enters a recovery water tank, and the water is conveyed to the filter press through a water pump to be used for cleaning the filter press or carrying out other applications, so that the water consumption is effectively saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1, a processing apparatus is applied mechanically in spent acid circulation, including neutralization reaction kettle 1, activated carbon adsorption reaction kettle 2, filter 3, three effect evaporation ware 4, recycle water tank 5, water pump 6 and pressure filter 7, the feed inlet of neutralization reaction kettle 1 is connected to the filtrating exit linkage of pressure filter 7, the feed inlet of activated carbon adsorption reaction kettle 2 is connected to the discharge gate of neutralization reaction kettle 1, filter 3 is connected to the discharge gate of activated carbon adsorption reaction kettle 2, the inlet of three effect evaporation ware 4 is connected to the filtrating exit linkage of filter 3, the comdenstion water exit linkage recycle water tank 5 of three effect evaporation ware 4, recycle water tank 5 connects the water inlet of pressure filter 7, water pump 6 sets up between recycle water tank 5 and pressure filter 7. The waste acid recycling treatment device is used for feeding waste acid filtrate pressed and filtered by a filter press 7 into a neutralization reaction kettle 1, introducing ammonia for neutralization reaction, feeding the waste acid filtrate into an activated carbon adsorption reaction kettle 2 after the reaction is finished, adding activated carbon for decolorization, then filtering the activated carbon by a filter 3, feeding the filtrate into a triple-effect evaporator 4 for evaporating water, feeding the water evaporated by the triple-effect evaporator 4 into a recovery water tank 5, and conveying the water to the filter press 7 by a water pump 6 for cleaning the filter press 7 or performing other applications, thereby effectively saving water consumption.
The material outlet of the triple-effect evaporator 4 is connected with a centrifugal machine 8, the liquid outlet of the centrifugal machine 8 is connected with a single-effect evaporator 9, and the condensed water outlet of the single-effect evaporator 9 is connected with a recovery water tank 5. The mother liquor after passing through the triple-effect evaporator 4 enters a centrifuge 8 to separate ammonium sulfate from the mother liquor, and then the mother liquor is continuously evaporated through a single-effect evaporator 9, so that the recovery water quantity can be further improved.
In order to collect ammonium sulfate conveniently, the slag outlet of the centrifuge 8 is connected with a storage box 10.
In order to collect the final residual mother liquor, the material outlet of the single-effect evaporator 9 is connected with a waste liquid collecting box 11.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A processing apparatus is used mechanically in spent acid circulation which characterized in that: comprises a neutralization reaction kettle (1), an active carbon adsorption reaction kettle (2), a filter (3), a triple-effect evaporator (4), a recovery water tank (5), a water pump (6) and a filter press (7), a filtrate outlet of the filter press (7) is connected with a feed inlet of the neutralization reaction kettle (1), the discharge hole of the neutralization reaction kettle (1) is connected with the feed hole of the activated carbon adsorption reaction kettle (2), the discharge hole of the activated carbon adsorption reaction kettle (2) is connected with the filter (3), a filtrate outlet of the filter (3) is connected with a liquid inlet of the triple-effect evaporator (4), a condensed water outlet of the triple-effect evaporator (4) is connected with the recovery water tank (5), the recovery water tank (5) is connected with a water inlet of the filter press (7), and the water pump (6) is arranged between the recovery water tank (5) and the filter press (7).
2. The apparatus as claimed in claim 1, wherein the apparatus comprises: the material outlet of triple effect evaporimeter (4) is connected with centrifuge (8), the liquid outlet of centrifuge (8) is connected with single effect evaporimeter (9), the comdenstion water exit linkage of single effect evaporimeter (9) recovery water tank (5).
3. The apparatus as claimed in claim 2, wherein the apparatus further comprises: the slag outlet of the centrifugal machine (8) is connected with a storage box (10).
4. The apparatus as claimed in claim 2, wherein the apparatus further comprises: and a material outlet of the single-effect evaporator (9) is connected with a waste liquid collecting box (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373192.8U CN212713111U (en) | 2020-07-14 | 2020-07-14 | Processing apparatus is applied mechanically in spent acid circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373192.8U CN212713111U (en) | 2020-07-14 | 2020-07-14 | Processing apparatus is applied mechanically in spent acid circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212713111U true CN212713111U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021373192.8U Active CN212713111U (en) | 2020-07-14 | 2020-07-14 | Processing apparatus is applied mechanically in spent acid circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212713111U (en) |
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2020
- 2020-07-14 CN CN202021373192.8U patent/CN212713111U/en active Active
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