CN218357499U - Waste liquid ammonium sulfate recovery system - Google Patents
Waste liquid ammonium sulfate recovery system Download PDFInfo
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- CN218357499U CN218357499U CN202222824931.6U CN202222824931U CN218357499U CN 218357499 U CN218357499 U CN 218357499U CN 202222824931 U CN202222824931 U CN 202222824931U CN 218357499 U CN218357499 U CN 218357499U
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Abstract
The utility model discloses a waste liquid ammonium sulfate recovery system belongs to the waste liquid treatment field. A waste liquid ammonium sulfate recovery system comprises an adsorption column body, a discharge pipe, a feed pipe, a motor and a rotary stirring column; the discharge pipe and the feed pipe are arranged on the adsorption column body and communicated with the adsorption column body; the rotary stirring column is arranged in the adsorption column body; the motor is arranged on the adsorption column body, and the output end of the motor is connected with the rotary stirring column to control the rotation of the rotary stirring column; the rotary stirring column is provided with a stirring device; it can realize the improvement of the efficiency of wastewater treatment and the regeneration of macroporous adsorption resin.
Description
Technical Field
The utility model belongs to the waste liquid treatment field, more specifically say, relate to a waste liquid ammonium sulfate recovery system.
Background
In the industrial wastewater recovery, part of the waste liquid contains ammonium sulfate, so that the waste liquid needs to be recovered; the prior patent number CN201820913885.8 discloses a system for recovering ammonium sulfate from waste acid in the dye industry, which comprises a liquid ammonia neutralization unit, a resin adsorption decoloration unit, an oxidant storage tank, a filtration processing unit, an MVR evaporation unit and a wastewater treatment unit; when the system is used for introducing neutralizing wastewater discharged by a liquid ammonia neutralizing unit into a macroporous resin adsorption column of an adsorption decoloring unit to remove organic matters in the wastewater, the wastewater needs to be fully mixed in the macroporous resin adsorption column for one hour and the reaction time is 1h, so that the reaction time is too long, and the wastewater treatment efficiency is reduced; in addition, most of the existing macroporous resin adsorption columns adopt a standing method to mix the wastewater with the macroporous adsorption resin, and the method can cause that the waste liquid in the macroporous resin adsorption columns cannot be fully mixed with the macroporous adsorption resin, so that the treatment effect is reduced, and therefore, a waste liquid ammonium sulfate recovery system capable of improving the wastewater treatment efficiency is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a waste liquid ammonium sulfate recovery system, it can realize improving waste water treatment and the regenerated efficiency of macroporous adsorbent resin.
The utility model discloses a waste liquid ammonium sulfate recovery system, which comprises an adsorption column body, a discharge pipe, a feed pipe, a motor and a rotary stirring column; the discharge pipe and the feed pipe are both arranged on the adsorption cylinder and are communicated with the adsorption cylinder; the rotary stirring column is arranged in the adsorption column body; the motor is arranged on the adsorption column body, and the output end of the motor is connected with the rotary stirring column to control the rotation of the rotary stirring column; the rotary stirring column is provided with a stirring device.
As a further improvement of the utility model, the rotary stirring column comprises a rotary column body and a stirring device; the stirring device is a rotating fan blade; the rotating fan blades are directed vertically upwards.
As a further improvement of the utility model, the device also comprises an oxidant feeding pipe; the oxidant feed pipe is arranged on the adsorption column body and extends into the adsorption column body.
As a further improvement of the utility model, the rotating cylinder is a hollow column; the oxidant feeding pipe extends into the rotary column body; the oxidant feeding pipe is connected with the rotary cylinder in a rotating fit way, and the matching part is sealed; a cavity is arranged in the rotating fan blade; the cavities of the rotating fan blades are connected with the cavity in the rotating column body; the upper end of the rotating fan blade is provided with a plurality of one-way liquid discharging devices; the plurality of one-way liquid outlet devices are connected with the cavity of the rotating fan blade.
As a further improvement of the utility model, still include liquid ammonia neutralization unit, the oxidant storage tank, adsorb the decoloration unit, the filter unit, MVR evaporation unit and effluent disposal system, the inlet and the spent acid pipeline of liquid ammonia neutralization unit are connected, its liquid outlet is connected with the inlet of adsorbing the decoloration unit, the oxidant storage tank is connected with adsorption decoloration unit, the liquid outlet of adsorbing the decoloration unit is connected with the inlet of filter unit, the liquid outlet of filter unit then is connected with MVR evaporation unit's feed inlet, MVR evaporation unit's waste liquid discharge port and effluent disposal system are connected.
As a further improvement of the utility model, a plurality of one-way liquid outlet devices are duckbill valves.
As a further improvement of the utility model, the rotary sealing ring is arranged at the rotary joint of the oxidant inlet pipe and the rotary cylinder.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the rotary fan blades are arranged, so that the wastewater and the macroporous adsorption resin can be fully mixed in a short time.
2. Rotatory flabellum sets up for upward movement under the rotatory flabellum of waste water drives, and the downward movement is located keeping away from rotatory flabellum, and then forms the circulation in the adsorption column body, so that waste water and macroporous adsorbent resin more fully react.
3. Establish the cavity in rotating fan blade and the absorption cylinder, rotating fan blade upper end is equipped with the duckbill valve, and in the oxidant inlet pipe stretched into the absorption cylinder for rotating fan blade can flow the oxidant and stir simultaneously, makes the regenerated efficiency of macroporous absorbent resin improve.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention;
FIG. 2 is a schematic view of the structure of the macroporous resin adsorption column of the present invention;
FIG. 3 is a schematic view of the rotary stirring column of the present invention cooperating with a motor and an oxidant feed pipe, respectively;
FIG. 4 is a schematic view of the structure of the present invention showing the combination of the rotating blades and a part of the rotating stirring column;
fig. 5 is a schematic cross-sectional view of the rotary stirring column of the present invention.
The numbering in the figures illustrates:
an adsorption column body 1, a discharge pipe 2, a feed pipe 3, an oxidant feed pipe 4, a motor 5, a rotary stirring column 6, a rotary column body 61 and rotary blades 62.
Detailed Description
The first embodiment is as follows: please refer to fig. 1-5, which is a waste liquid ammonium sulfate recovery system, comprising a liquid ammonia neutralization unit, an oxidant storage tank, an adsorption decoloring unit, a filtering unit, an MVR evaporation unit and a wastewater treatment system, wherein a liquid inlet of the liquid ammonia neutralization unit is connected to a waste acid delivery pipeline, a liquid outlet of the liquid ammonia neutralization unit is connected to a liquid inlet of the adsorption decoloring unit, the oxidant storage tank is connected to the adsorption decoloring unit, a liquid outlet of the adsorption decoloring unit is connected to a liquid inlet of the filtering unit, a liquid outlet of the filtering unit is connected to a liquid inlet of the MVR evaporation unit, and a waste liquid discharge port of the MVR evaporation unit is connected to the wastewater treatment system.
The adsorption and decoloration unit comprises an adsorption cylinder body 1, a discharge pipe 2, a feed pipe 3, an oxidant feed pipe 4, a motor 5 and a rotary stirring column 6.
The adsorption column body 1 is vertically arranged; the adsorption column 1 is internally provided with macroporous adsorption resin.
The discharging pipe 2 is arranged at the bottom end of the adsorption column body 1 and is communicated with the interior of the adsorption column body 1.
The inlet pipe 3 is arranged at the upper end of the adsorption column body 1 and is communicated with the interior of the adsorption column body 1.
The oxidant feeding pipe 4 is arranged at the upper end of the adsorption column body 1 and extends into the adsorption column body 1.
The motor 5 is arranged in the center of the bottom end of the adsorption column body 1.
The rotary stirring column 6 includes a rotary cylinder 61 and rotary fan blades 62; the rotary column body 61 is a hollow column and is positioned in the adsorption column body 1; the oxidant feeding pipe 4 extends into the rotating cylinder 61 so that the oxidant feeding pipe 4 is communicated with the inside of the rotating cylinder 61; the oxidant feeding pipe 4 is rotatably matched with the rotating cylinder 61, and the matched part is sealed; the bottom end of the rotating cylinder 61 is connected with the motor 5; a plurality of rotary blades 62; the plurality of rotating fan blades 62 are uniformly arranged on the side surface of the rotating cylinder 61; the rotating blades 62 surround the rotating cylinder 61 and use the rotating cylinder 61 as a rotating shaft; the plurality of rotating blades 62 are all oriented vertically upwards; cavities are arranged in the plurality of rotating fan blades 62; the cavities in the plurality of rotating blades 62 are all connected with the cavity in the rotating cylinder 61; a plurality of duckbill valves are arranged at the upper end of each rotating fan 62, so that the gas and liquid in the rotating fan 62 can flow out of the rotating fan 62, and the gas and liquid outside the rotating fan 62 can not enter the rotating fan 62.
The working principle is as follows:
in a liquid ammonia neutralization unit, hot water and liquid ammonia vaporization heat are subjected to heat exchange through an ammonia evaporator, the liquid ammonia is converted into ammonia gas, then the ammonia gas is sent into waste acid through a gas distribution pipeline at the bottom of a reaction tank of the liquid ammonia neutralization unit for neutralization reaction, the adding amount of the ammonia gas is controlled through the pH value, and the pH value of water discharged from the liquid ammonia neutralization unit is ensured to be between 7.5 and 8.5.
Introducing the neutralized wastewater discharged by the liquid ammonia neutralization unit into a macroporous resin adsorption column of an adsorption decoloring unit, fully mixing the macroporous resin and the neutralized wastewater in a reaction tank, and adsorbing to remove organic matters in the wastewater; the specific process is that after the wastewater enters the adsorption column body 1 through the feeding pipe 3, the motor 5 is started to control the rotary column body 61 to drive the rotary fan blades 62 to rotate; when the rotating fan blades 62 rotate, the wastewater is fully mixed with the macroporous adsorption resin in the adsorption column body 1, and the wastewater is driven by the rotating fan blades 62 to form circulation in the adsorption column body 1 due to the upward arrangement of the rotating fan blades 62, so that the wastewater is more fully mixed with the macroporous adsorption resin; after the wastewater completely reacts with the macroporous adsorption resin, the wastewater is discharged from the discharge pipe 2.
And (3) conveying the wastewater subjected to adsorption treatment by the adsorption and decoloration unit to a filtering unit by a pipeline, wherein the filtering unit adopts a microporous filtering mode and separates impurities such as macroporous resin and the like in the solution by membrane filtration.
And sending the filtrate discharged by the filtering unit into an MVR (mechanical vapor recompression) processing unit, wherein the MVR processing unit comprises an evaporator, a separator, a compressor, a vacuum pump, a circulating pump and other systems.
The macroporous resin adsorption column of the adsorption and decoloration unit needs to be regenerated after being adsorbed and saturated, hydrogen peroxide or a sodium hypochlorite oxidant can be added into the adsorption and decoloration unit, and the macroporous resin adsorption column is regenerated after the reaction is finished and is continuously used as an adsorbent for recycling. The adsorption and decoloration unit 3 is provided with two macroporous resin adsorption columns which are connected in parallel, in the treatment process, the neutralization wastewater enters one of the adsorption columns first, after the adsorption column is saturated in adsorption, the neutralization wastewater is adsorbed by the other adsorption column, and at the moment, the adsorption column which does not perform adsorption work can be subjected to regeneration treatment, so that the two adsorption columns alternately operate, and the treatment efficiency is improved. The specific process for regenerating the saturated macroporous adsorption resin comprises the following steps: hydrogen peroxide or sodium hypochlorite oxidant is added into the rotating cylinder 61 through the oxidant feeding pipe 4, the starting motor 5 controls the rotating cylinder 61 to drive the rotating fan blades 62 to rotate, the oxidant in the rotating cylinder 61 enters the cavity inside the rotating fan blades 62, and the oxidant is introduced into the adsorption cylinder 1 through the duckbill valve on the rotating fan blades 62, so that the oxidant and the macroporous adsorption resin fully react.
Claims (7)
1. The utility model provides a waste liquid ammonium sulfate recovery system which characterized in that: comprises an adsorption cylinder (1), a discharge pipe (2), a feed pipe (3), a motor (5) and a rotary stirring column (6); the discharge pipe (2) and the feed pipe (3) are both arranged on the adsorption column body (1) and communicated with the adsorption column body (1); the rotary stirring column (6) is arranged in the adsorption column body (1); the motor (5) is arranged on the adsorption column body (1), and the output end of the motor is connected with the rotary stirring column (6) to control the rotation of the rotary stirring column (6); the rotary stirring column (6) is provided with a stirring device.
2. The waste liquid ammonium sulfate recovery system of claim 1, wherein: the rotary stirring column (6) comprises a rotary cylinder body (61) and a stirring device; the stirring device is a rotating fan blade (62); the rotating fan blades (62) are vertically upward.
3. The waste liquid ammonium sulfate recovery system of claim 1, wherein: also comprises an oxidant feeding pipe (4); the oxidant feed pipe (4) is arranged on the adsorption cylinder body (1) and extends into the adsorption cylinder body (1).
4. A waste liquid ammonium sulfate recovery system as claimed in claim 2 or 3, wherein: the rotating cylinder (61) is a hollow cylinder; the oxidant feeding pipe (4) extends into the rotary cylinder (61); the oxidant feeding pipe (4) is connected with the rotary cylinder (61) in a rotating fit manner, and the matching part is sealed; a cavity is arranged in the rotating fan blade (62); cavities of the rotating fan blades (62) are connected with the cavity in the rotating cylinder (61); the upper end of the rotating fan blade (62) is provided with a plurality of unidirectional liquid outlet devices; the plurality of one-way liquid outlet devices are connected with the cavity of the rotating fan blade (62).
5. The waste liquid ammonium sulfate recovery system of claim 1, wherein: still include liquid ammonia neutralizing unit, the oxidant storage tank, adsorb the decoloration unit, the filter unit, MVR evaporation unit and effluent disposal system, the inlet and the spent acid pipeline of liquid ammonia neutralizing unit are connected, its liquid outlet is connected with the inlet that adsorbs the decoloration unit, the oxidant storage tank with adsorb the decoloration unit and be connected, the liquid outlet that adsorbs the decoloration unit is connected with the inlet of filter unit, the liquid outlet of filter unit then is connected with MVR evaporation unit's feed inlet, MVR evaporation unit's waste liquid discharge port and effluent disposal system are connected.
6. The waste liquid ammonium sulfate recovery system of claim 4, wherein: the plurality of one-way liquid outlet devices are duckbill valves.
7. The waste liquid ammonium sulfate recovery system of claim 4, wherein: the rotary connection part of the oxidant feeding pipe (4) and the rotary cylinder body (61) is provided with a rotary sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222824931.6U CN218357499U (en) | 2022-10-25 | 2022-10-25 | Waste liquid ammonium sulfate recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222824931.6U CN218357499U (en) | 2022-10-25 | 2022-10-25 | Waste liquid ammonium sulfate recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218357499U true CN218357499U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222824931.6U Active CN218357499U (en) | 2022-10-25 | 2022-10-25 | Waste liquid ammonium sulfate recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN218357499U (en) |
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2022
- 2022-10-25 CN CN202222824931.6U patent/CN218357499U/en active Active
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