CN210214824U - Solid iron-free aluminum sulfate production system - Google Patents
Solid iron-free aluminum sulfate production system Download PDFInfo
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- CN210214824U CN210214824U CN201920697263.0U CN201920697263U CN210214824U CN 210214824 U CN210214824 U CN 210214824U CN 201920697263 U CN201920697263 U CN 201920697263U CN 210214824 U CN210214824 U CN 210214824U
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Abstract
The utility model relates to a solid does not have indisputable aluminum sulfate production system belongs to aluminum sulfate production facility technical field. The utility model provides a problem that the exhaust-gas treatment that exists is incomplete, degree of automation is not high in the production of current solid no iron aluminum sulfate. The utility model discloses a preceding processing of bauxite ore, reation kettle is connected to the discharge end of preceding processing of bauxite ore, and the reation kettle top is linked together through pipeline and sulphuric acid storage tank, and reation kettle passes through the exhaust gas discharge pipeline that the top set up and links to each other with tail gas condensation recovery unit, and tail gas condensation recovery unit rear end intercommunication tail gas processing apparatus, and the discharge end and the pressure filter of reation kettle's bottom are linked together, and the rear portion and the desiccator of pressure filter link to each other, and the bottom and the product jar of desiccator link to each other.
Description
Technical Field
The utility model relates to a solid does not have indisputable aluminum sulfate production system belongs to aluminum sulfate production facility technical field.
Background
The non-iron aluminium sulfate is a common flocculant used for treating drinking water or industrial water, and is prepared through pressure reaction of bauxite and sulfuric acid to obtain liquid aluminium sulfate, slow heating of hydrated aluminium sulfate crystal crystallized from acidic solution to gradually dewater, cooling for solidification and crushing. The waste gas emission of the existing production process of the iron-free aluminum sulfate has pollution, the waste gas contains a large amount of volatile sulfuric acid in the production process, the waste is serious, the cost is high, and the automation degree of the production process needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect that current no indisputable aluminum sulfate production system exists, provided a solid no indisputable aluminum sulfate production system, simple structure, reasonable in design, further improvement aluminum sulfate's productivity increases the recovery and the processing dynamics to waste gas simultaneously, ensures that the production process is more environmental protection.
The utility model discloses an adopt following technical scheme to realize:
a solid iron-free aluminum sulfate production system comprises bauxite pretreatment, wherein a discharge end of the bauxite pretreatment is connected with a reaction kettle, the top of the reaction kettle is communicated with a sulfuric acid storage tank through a pipeline, the reaction kettle is connected with a tail gas condensation recovery device through a waste gas discharge pipeline arranged at the top of the reaction kettle, the rear end of the tail gas condensation recovery device is communicated with a tail gas treatment device, the discharge end of the bottom of the reaction kettle is communicated with a filter press, the rear part of the filter press is connected with a dryer, and the bottom of the dryer is connected with a product tank;
one side of reation kettle be provided with cooling water inlet pipe and steam air inlet pipeline, cooling water inlet pipe and steam air inlet pipeline all are linked together with reation kettle's intermediate layer, reation kettle's bottom still links to each other with waste residue processing apparatus through the pipeline, be provided with the rotating electrical machines in the middle of reation kettle's the top, the output of rotating electrical machines is deepened in reation kettle and is linked to each other with the stirring rake, reation kettle's top is equipped with the steam intake pipe, the steam intake pipe is deepened reation kettle bottom and is adapted to with the reation kettle bottom, the steam intake pipe is deepened and is equipped with a plurality of ventholes on the pipeline of reation kettle bottom.
Preferably, the tail gas condensation recovery device comprises a condenser, a buffer tank and a gas-liquid separator, the condenser is communicated with the waste gas discharge pipeline, the rear end of the condenser is communicated with the gas-liquid separator, a liquid output pipeline of the gas-liquid separator is connected with the buffer tank, the bottom of the buffer tank is communicated with the reaction kettle through a pipeline, and a gas output end of the gas-liquid separator is communicated with the tail gas treatment device through a pipeline;
the condenser adopts condensed water for condensation.
Preferably, the tail gas treatment device comprises a spray tower, the lower part of the spray tower is communicated with a pipeline at the gas output end of the gas-liquid separator, the top of the spray tower is communicated with the activated carbon adsorption tower through a pipeline, and the top of the activated carbon adsorption tower is provided with an exhaust pipe;
the bottom of spray tower is equipped with the hydrologic cycle pipeline, and hydrologic cycle pipeline rear end links to each other with waste water purification device, and the water after waste water purification device purifies gets into the spraying system of spray tower, and the spraying system intercommunication of spray tower has moisturizing pipeline, and the spraying system of spray tower still links to each other with the comdenstion water discharge pipeline of condenser.
Preferably, the dryer is a disc dryer, and the top of the dryer is also communicated with the waste gas discharge pipeline through a pipeline. The gas that evaporates can return to the exhaust emission pipeline through the pipeline during drying, through tail gas condensation recovery unit recycle, the gas that is not condensed enters into in the tail gas processing apparatus further handles the back and discharges.
Preferably, the pretreatment of the bauxite ore comprises a conveyer belt, a crusher is correspondingly arranged below the input end of the conveyer belt, and the output end of the crusher is communicated with the feed end of the reaction kettle.
The utility model has the advantages that:
(1) the solid iron-free aluminum sulfate production system of the utility model carries out secondary recycling and further purification treatment on the waste gas discharged from the reaction kettle through the tail gas condensation recovery device and the tail gas treatment device, further purifies the waste gas while saving raw materials, ensures that the discharged gas is nontoxic and harmless, and protects the environment;
(2) solid no iron aluminum sulfate production system, carry out the pretreatment to the bauxite through rubbing crusher and conveyer belt, ensure that the bauxite ore granule that gets into is even, when carrying out the reaction in the reation kettle, the reaction is more abundant, the quality of further improvement product and the efficiency of output aluminum sulfate.
(3) Solid no iron aluminum sulfate production system, degree of automation is high, connect reasonable in design, can accomplish the production of no iron aluminum sulfate automatically.
Drawings
Fig. 1 is a flow chart of an embodiment of the present invention;
in the figure: 1. pretreatment of bauxite ore; 1-1, conveying belt; 1-2, a pulverizer; 2. a reaction kettle; 2-1, stirring paddles; 2-2, rotating the motor; 2-3, a steam inlet pipe; 2-4, a waste gas discharge pipeline; 2-5, a steam inlet pipeline; 2-6, a cooling water inlet pipeline; 3. a sulfuric acid storage tank; 4. a filter press; 5. a tail gas condensation and recovery device; 5-1, a condenser; 5-2, a cache tank; 5-3, a gas-liquid separator; 6. a tail gas treatment device; 6-1, a spray tower; 6-2, a wastewater purification device; 6-3, an activated carbon adsorption tower; 6-4, a water replenishing pipeline; 7. a dryer; 8. a product tank; 9. a waste residue treatment device.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a solid iron-free aluminum sulfate production system, including bauxite ore pretreatment 1, the discharge end of bauxite ore pretreatment 1 connects reation kettle 2, reation kettle 2 top is linked together through pipeline and sulphuric acid storage tank 3, reation kettle 2 links to each other with tail gas condensation recovery unit 5 through the waste gas discharge pipeline 2-4 that the top set up, tail gas condensation recovery unit 5 rear end communicates tail gas treatment device 6, the discharge end of reation kettle 2's bottom is linked together with pressure filter 4, the rear portion of pressure filter 4 links to each other with desiccator 7, the bottom of desiccator 7 links to each other with product jar 8;
one side of the reaction kettle 2 is provided with a cooling water inlet pipeline 2-6 and a steam inlet pipeline 2-5, the cooling water inlet pipeline 2-6 and the steam inlet pipeline 2-5 are both communicated with an interlayer of the reaction kettle 2, the bottom of the reaction kettle 2 is also connected with a waste residue treatment device 9 through pipelines, the middle of the top of the reaction kettle 2 is provided with a rotating motor 2-2, the output end of the rotating motor 2-2 extends into the reaction kettle 2 and is connected with a stirring paddle 2-1, the top of the reaction kettle 2 is provided with a steam inlet pipe 2-3, the steam inlet pipe 2-3 extends into the bottom of the reaction kettle 2 and is adapted to the bottom of the reaction kettle 2, and the pipeline from the steam inlet pipe 2-3 to the bottom of the reaction kettle 2 is provided with a plurality of air outlet holes.
The tail gas condensation recovery device 5 comprises a condenser 5-1, a buffer tank 5-2 and a gas-liquid separator 5-3, wherein the condenser 5-1 is communicated with a waste gas discharge pipeline 2-4, the rear end of the condenser 5-1 is communicated with the gas-liquid separator 5-3, a liquid output pipeline of the gas-liquid separator 5-3 is connected with the buffer tank 5-2, the bottom of the buffer tank 5-2 is communicated with the reaction kettle 2 through a pipeline, and a gas output end of the gas-liquid separator 5-3 is communicated with the tail gas treatment device 6 through a pipeline; the condenser 5-1 adopts condensed water for condensation.
The tail gas treatment device 6 comprises a spray tower 6-1, the lower part of the spray tower 6-1 is communicated with a pipeline of a gas output end of a gas-liquid separator 5-3, the top of the spray tower 6-1 is communicated with an active carbon adsorption tower 6-3 through a pipeline, and an exhaust pipe is arranged at the top of the active carbon adsorption tower 6-3; the bottom of the spray tower 6-1 is provided with a water circulation pipeline, the rear end of the water circulation pipeline is connected with the wastewater purification device 6-2, the water purified by the wastewater purification device 6-2 enters a spray system of the spray tower 6-1, the spray system of the spray tower 6-1 is communicated with a water supplementing pipeline 6-4, and the spray system of the spray tower 6-1 is also connected with a condensed water discharge pipeline of the condenser 5-1.
The dryer 7 is a disc dryer, and the top of the dryer 7 is also communicated with the waste gas discharge pipeline 2-4 through a pipeline. The evaporated gas can return to the exhaust gas discharge pipeline 2-4 through a pipeline during drying, the gas is recycled through the tail gas condensation recycling device 5, and the uncondensed gas enters the tail gas treatment device 6 for further treatment and then is discharged.
The bauxite pretreatment 1 comprises a conveyer belt 1-1, a crusher 1-2 is correspondingly arranged below the input end of the conveyer belt 1-1, and the output end of the crusher 1-2 is communicated with the feed end of a reaction kettle 2.
The utility model discloses a working process as follows:
during operation, bauxite ore enters a pulverizer 1-2 through a conveyer belt 1-1 to be pulverized to form powdery ore soil, the powdery ore soil enters a reaction kettle 2 to react with sulfuric acid, the sulfuric acid in a sulfuric acid storage tank 3 quantitatively enters the reaction kettle 2 through a flowmeter, materials after bottom reaction are subjected to filter pressing treatment in a filter press 4 while the reaction in the reaction kettle 2 is carried out, the materials after filter pressing treatment enter a dryer 7 to be dried, the dried materials enter a product tank 8 to form a solid finished product, evaporated gas during drying returns to a waste gas discharge pipeline 2-4 through a pipeline, the evaporated gas is recycled through a tail gas condensation recycling device 5, and the uncondensed gas enters a tail gas treatment device 6 to be further treated and then is discharged;
in the process of the reaction kettle 2, gas mixed with sulfuric acid and other impurities is evaporated and enters the tail gas condensation recovery device 5 through the waste gas discharge pipeline 2-4 for condensation recovery, the gas is firstly cooled through the condenser 5-1, the cooled gas-liquid mixture enters the gas-liquid separator 5-3 for gas-liquid separation, the separated liquid enters the buffer tank 5-2 and returns to the reaction kettle 2 through the pipeline for recycling, the uncondensed gas enters the tail gas treatment device 6 for further treatment and then is discharged, the gas is firstly treated through the spray tower 6-1, then is subjected to secondary treatment through the active carbon absorption tower 6-3 and finally is discharged into the atmosphere.
The utility model discloses mainly apply to the place of preparation solid no iron aluminum sulfate.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (4)
1. The solid iron-free aluminum sulfate production system is characterized in that: the device comprises bauxite ore pretreatment (1), wherein the discharge end of the bauxite ore pretreatment (1) is connected with a reaction kettle (2), the top of the reaction kettle (2) is communicated with a sulfuric acid storage tank (3) through a pipeline, the reaction kettle (2) is connected with a tail gas condensation recovery device (5) through a waste gas discharge pipeline (2-4) arranged at the top, the rear end of the tail gas condensation recovery device (5) is communicated with a tail gas treatment device (6), the discharge end of the bottom of the reaction kettle (2) is communicated with a filter press (4), the rear part of the filter press (4) is connected with a dryer (7), and the bottom of the dryer (7) is connected with a product tank (8);
the bauxite pretreatment (1) comprises a conveyer belt (1-1), a crusher (1-2) is correspondingly arranged below the input end of the conveyer belt (1-1), and the output end of the crusher (1-2) is communicated with the feed end of the reaction kettle (2);
one side of the reaction kettle (2) is provided with a cooling water inlet pipeline (2-6) and a steam inlet pipeline (2-5), the cooling water inlet pipeline (2-6) and the steam inlet pipeline (2-5) are communicated with an interlayer of the reaction kettle (2), the bottom of the reaction kettle (2) is also connected with a waste residue treatment device (9) through a pipeline, a rotating motor (2-2) is arranged in the middle of the top of the reaction kettle (2), the output end of the rotating motor (2-2) extends into the reaction kettle (2) and is connected with a stirring paddle (2-1), the top of the reaction kettle (2) is provided with a steam inlet pipe (2-3), the steam inlet pipe (2-3) extends into the bottom of the reaction kettle (2) and is matched with the bottom of the reaction kettle (2), and a plurality of air outlet holes are formed in a pipeline of the steam inlet pipe (2-3) extending into the bottom of the reaction kettle (2).
2. The solid iron-free aluminum sulfate production system of claim 1, wherein: the tail gas condensation recovery device (5) comprises a condenser (5-1), a buffer tank (5-2) and a gas-liquid separator (5-3), wherein the condenser (5-1) is communicated with a waste gas discharge pipeline (2-4), the rear end of the condenser (5-1) is communicated with the gas-liquid separator (5-3), a liquid output pipeline of the gas-liquid separator (5-3) is connected with the buffer tank (5-2), the bottom of the buffer tank (5-2) is communicated with the reaction kettle (2) through a pipeline, and a gas output end of the gas-liquid separator (5-3) is communicated with a tail gas treatment device (6) through a pipeline;
the condenser (5-1) adopts condensed water for condensation.
3. The solid iron-free aluminum sulfate production system of claim 2, wherein: the tail gas treatment device (6) comprises a spray tower (6-1), the lower part of the spray tower (6-1) is communicated with a pipeline of a gas output end of the gas-liquid separator (5-3), the top of the spray tower (6-1) is communicated with the active carbon adsorption tower (6-3) through a pipeline, and an exhaust pipe is arranged at the top of the active carbon adsorption tower (6-3);
the bottom of the spray tower (6-1) is provided with a water circulation pipeline, the rear end of the water circulation pipeline is connected with the wastewater purification device (6-2), the water purified by the wastewater purification device (6-2) enters a spray system of the spray tower (6-1), the spray system of the spray tower (6-1) is communicated with a water supplementing pipeline (6-4), and the spray system of the spray tower (6-1) is also connected with a condensed water discharge pipeline of the condenser (5-1).
4. The solid iron-free aluminum sulfate production system of claim 3, wherein: the dryer (7) is a disc dryer, and the top of the dryer (7) is also communicated with the waste gas discharge pipeline (2-4) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697263.0U CN210214824U (en) | 2019-05-15 | 2019-05-15 | Solid iron-free aluminum sulfate production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697263.0U CN210214824U (en) | 2019-05-15 | 2019-05-15 | Solid iron-free aluminum sulfate production system |
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| CN210214824U true CN210214824U (en) | 2020-03-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994933A (en) * | 2020-09-28 | 2020-11-27 | 淄博市博山双赢化工有限公司 | Intelligent production system and production process of battery-grade aluminum sulfate |
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2019
- 2019-05-15 CN CN201920697263.0U patent/CN210214824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994933A (en) * | 2020-09-28 | 2020-11-27 | 淄博市博山双赢化工有限公司 | Intelligent production system and production process of battery-grade aluminum sulfate |
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