CN211971802U - Organic waste sulfuric acid carbonization treatment system - Google Patents
Organic waste sulfuric acid carbonization treatment system Download PDFInfo
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- CN211971802U CN211971802U CN202020235714.1U CN202020235714U CN211971802U CN 211971802 U CN211971802 U CN 211971802U CN 202020235714 U CN202020235714 U CN 202020235714U CN 211971802 U CN211971802 U CN 211971802U
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Abstract
The utility model discloses an organic waste sulfuric acid carbomorphism processing system relates to waste sulfuric acid processing technology field, including polymerization carbomorphism reation kettle, filter equipment, washing cauldron and temperature regulation apparatus, polymerization carbomorphism reation kettle top is equipped with feed inlet and gas vent, bottom discharge mouth and links to each other with filter equipment, and the filter equipment slag notch links to each other with the washing cauldron import, and the filter equipment slag notch still is equipped with the row's cinder notch, and filter equipment filtrating export links to each other with the pickling storage tank. Heating the polymerization carbonization reaction kettle by a temperature regulating device, enabling acid-soluble oil in waste acid to react under the action of sulfuric acid to generate a polymeric carbon material, cooling the polymerization carbonization reaction kettle by the temperature regulating device, and introducing waste gas into a waste gas treatment device for purification treatment; diluting the generated polymeric carbon material, then filtering the diluted polymeric carbon material in a filtering device, washing the diluted polymeric carbon material in a washing kettle, and discharging the diluted polymeric carbon material out, wherein filtrate enters an acid washing storage tank for storage or is discharged out; the reaction and washing speed is accelerated by the aid of stirring devices in the polymerization carbonization reaction kettle and the washing kettle.
Description
Technical Field
The utility model relates to a waste sulfuric acid treatment technical field especially relates to an organic waste sulfuric acid carbomorphism processing system.
Background
Sulfuric acid is used as a basic chemical raw material and is widely applied to the chemical industry, a large amount of waste sulfuric acid is inevitably generated after relevant process reaction, unreasonable treatment of the waste sulfuric acid can not only pollute the environment and waste sulfur resources, but also cause great potential safety hazards, and particularly high-concentration organic waste sulfuric acid as a byproduct in the chemical industries such as alkylation, nitration, gas purification, resin, medicine, new materials, crude benzene refining and the like has high acid concentration (the acid concentration is high)>70 percent) and high organic matter Content (COD)>200000 mg/L), serious peculiar smell, high treatment cost and the like, and the illegal problems of steal and direct discharge and the like can seriously pollute the environment. The domestic industry has the annual sulfuric acid demand close to 1 hundred million tons, and the annual discharged waste sulfuric acid amount is more than 1 hundred million tons (100 percent of H)2SO4Amounting to about 1200 ten thousand tons).
The alkylation waste acid contains concentrated sulfuric acid (with the concentration of about 90 wt.%), acid-soluble oil (6-7 wt.%) (commonly known as red oil) and water, and has peculiar smell, and if the waste acid is recycled, the problem of environmental pollution can be solved, and meanwhile, sulfur resources can be recycled, so that the method is a main means for improving the economy and the competitiveness of a sulfuric acid method alkylation device. However, the alkylated waste acid has high concentration, strong corrosivity and complex components, so that the purification and disposal treatment are difficult, and at present, the industrially applied method has high treatment cost, potential safety hazards and low resource utilization rate, and illegal problems such as steal and direct discharge are still serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide an organic waste sulfuric acid carbomorphism processing system, can simplify processing technology, have the characteristics that the handling capacity is big, the energy consumption is little, can realize large-scale production.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a carbonization treatment system for organic waste sulfuric acid comprises a polymerization carbonization reaction kettle, a filtering device, a washing kettle and a temperature regulating device for heating and cooling the polymerization carbonization reaction kettle, wherein the top of the polymerization carbonization reaction kettle is provided with a feed inlet for connecting with a waste acid pipeline and adding other raw materials; the top of the polymerization and carbonization reaction kettle is also provided with an exhaust port connected with the waste gas treatment device, a discharge port at the bottom of the polymerization and carbonization reaction kettle is connected with an inlet of a filtering device, a slag outlet of the filtering device is connected with an inlet of a washing kettle, the slag outlet of the filtering device is also provided with a slag discharge port, and a filtrate outlet of the filtering device is connected with a washing acid storage tank; and stirring devices are arranged in the polymerization carbonization reaction kettle and the washing kettle.
Preferably, the gas vent of polymerization and carbonization reation kettle is equipped with the breakdown of emulsion mechanism, the breakdown of emulsion mechanism includes the (mixing) shaft by motor drive, be equipped with the stirring tooth on the excircle of (mixing) shaft for smash the foam of gas vent department.
Preferably, a discharge port of the polymerization carbonization reaction kettle is connected with an inlet of the filtering device through a first conveying pump, and a discharge port at the bottom of the washing kettle is connected with an inlet of the filtering device through a second conveying pump; the outlet of the acid washing storage tank is connected with the inlet of an acid washing pump, and the outlet of the acid washing pump is connected with the inlet of the washing kettle or the outer discharge pipe.
Preferably, the waste gas treatment device comprises a desulfurization absorption tower, an absorption cooler and a circulating pump, wherein a gas inlet of the desulfurization absorption tower is connected with a gas outlet of the polymerization carbonization reaction kettle through a waste gas pipe, and a spraying assembly is arranged at the upper part of an inner cavity of the desulfurization absorption tower and used for cooling the waste gas; the middle part of the desulfurization absorption tower is provided with a packing layer for washing waste gas; the lower part of the desulfurization absorption tower is provided with ammonia liquid for absorbing sulfur-containing gas in the waste gas; a liquid discharge pipe at the bottom of the desulfurization absorption tower is connected with an inlet of a circulating pump, an outlet return pipe of the circulating pump penetrates through an absorption cooler and is connected with a spraying assembly, and an outlet of the circulating pump is connected with a sewage treatment device through a branch pipe; and a gas outlet at the top of the desulfurization absorption tower is connected with a fan, and an outlet of the fan is communicated with a chimney.
Preferably, the absorption cooler is a heat exchanger, and a cooling water coil connected with a cooling water pipeline is arranged in the heat exchanger.
Preferably, the outer wall of the polymerization carbonization reaction kettle is provided with an interlayer filled with a heat-conducting medium, an inlet of the interlayer is connected with an outlet pipe of the temperature regulating device, and an outlet of the interlayer is connected with an inlet pipe of the temperature regulating device; the temperature adjusting device comprises a medium heater and a medium cooler which are connected with the inlet pipe and the outlet pipe in parallel and used for heating and cooling the medium in the interlayer of the outer wall of the polymerization carbonization reaction kettle.
Preferably, the medium heater is internally provided with an electric heating wire, the medium cooler is a heat exchanger, and the heat exchanger is internally provided with a cooling water coil connected with a cooling water pipeline.
Preferably, an outlet of the medium heater is connected with an outlet pipe through a third delivery pump, an outlet of the medium cooler is connected with a low-temperature medium storage tank, and an outlet of the medium storage tank is connected with the outlet pipe through a fourth delivery pump; and pressure gauges are arranged at outlets of the third delivery pump and the fourth delivery pump.
Preferably, the medium in the interlayer of the outer walls of the medium heater and the polymerization carbonization reaction kettle is heat conduction oil.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model heats the polymerization carbonization reaction kettle through the temperature adjusting device, so that the acid-soluble oil in the waste acid reacts under the action of sulfuric acid to generate a polymerization carbon material, and the waste gas can be led to the waste gas treatment device for purification treatment after the polymerization carbonization reaction kettle is cooled by the temperature adjusting device; diluting the generated polymeric carbon material, then, feeding the diluted polymeric carbon material into a filtering device for filtering, washing filter residues in a washing kettle, then, discharging the filter residues, and feeding the filtrate into an acid washing storage tank for storage or discharging the filtrate; the reaction and washing speed is accelerated by the aid of stirring devices in the polymerization carbonization reaction kettle and the washing kettle. Utilize the utility model discloses can simplify production technology, have that the investment is little, easy operation, working costs are low, application scope is wide advantage, can realize the resource recycle of acid-soluble oil and sulphuric acid in the waste sulfuric acid, reduce carbon and discharge.
Drawings
FIG. 1 is a schematic structural diagram of an organic waste sulfuric acid carbonization treatment system provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the mixing shaft and mixing teeth of the demulsification mechanism in the embodiment of the present invention;
in the figure: 1-polymerization carbonization reaction kettle, 2-filtering device, 3-washing kettle, 4-acid washing storage tank, 5-stirring shaft, 6-stirring teeth, 7-first delivery pump, 8-second delivery pump, 9-acid washing pump, 10-desulfurization absorption tower, 11-absorption cooler, 12-circulating pump, 13-waste gas pipe, 14-spraying component, 15-packing layer, 16-branch pipe, 17-medium storage tank, 18-fan, 19-interlayer, 20-outlet pipe, 21-inlet pipe, 22-medium heater, 23-medium cooler, 24-third delivery pump, 25-fourth delivery pump, 26-pressure gauge, 27-chimney and 28-sewage treatment device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model provides an organic waste sulfuric acid carbonization treatment system, which comprises a polymerization carbonization reaction kettle 1, a filtering device 2, a washing kettle 3 and a temperature regulating device for heating and cooling the polymerization carbonization reaction kettle 1, wherein the top of the polymerization carbonization reaction kettle 1 is provided with a feed inlet for connecting with a waste acid pipeline and adding other raw materials; the top of the polymerization and carbonization reaction kettle 1 is also provided with an exhaust port connected with a waste gas treatment device, a discharge port at the bottom of the polymerization and carbonization reaction kettle 2 is connected with an inlet of a filtering device 2, a slag outlet of the filtering device is connected with an inlet of a washing kettle 3, a slag outlet of the filtering device 2 is also provided with a slag discharge port, and a filtrate outlet of the filtering device 2 is connected with a pickling acid storage tank 4; and stirring devices are arranged in the polymerization carbonization reaction kettle 1 and the washing kettle 3 and are used for accelerating the reaction speed and the washing speed. Wherein, the filtering device can be a filter press. A discharge port of the polymerization carbonization reaction kettle 1 is connected with an inlet of the filtering device 2 through a first conveying pump 7, and a discharge port at the bottom of the washing kettle 3 is connected with an inlet of the filtering device 2 through a second conveying pump 8; the outlet of the acid washing storage tank 4 is connected with the inlet of an acid washing pump 9, the outlet of the acid washing pump 9 is connected with the inlet of the washing kettle 3, and the polymer carbon material enters the washing kettle again to be washed and reacted to generate the polymer carbon material, or is connected with an external discharge pipe and transferred to other places for reuse.
Inputting the alkylated waste sulfuric acid into a polymerization carbonization reaction kettle through a waste acid pipeline, simultaneously adding biomass, and heating the polymerization carbonization reaction kettle through a temperature regulating device to enable acid-soluble oil in the waste acid to react under the action of sulfuric acid to generate a polymeric carbon material; cooling the polymerization and carbonization reaction kettle by using a temperature adjusting device, adding water and dilute sulfuric acid into the polymerization and carbonization reaction kettle to dilute the carbon material after reaction to form a suspension, diluting the generated polymerization carbon material, then filtering the diluted polymerization carbon material in a filtering device, circularly washing and filter-pressing filter residues in a washing kettle and the filtering device, and discharging the carbon residues meeting the requirements; the obtained filtrate enters an acid washing storage tank for storage or is discharged outside, and the obtained acid washing is injected into a washing kettle in the next batch or is transferred to other places; meanwhile, the waste gas enters a waste gas treatment device for purification treatment. This process is described in detail in CN108946697A, and will not be described herein.
In a preferred embodiment of the present invention, as shown in fig. 2, the gas outlet of the polymerization carbonization reaction kettle 1 is provided with a demulsification mechanism, the demulsification mechanism comprises a stirring shaft 5 driven by a motor, and stirring teeth 6 are arranged on the outer circle of the stirring shaft 5 for smashing the foam at the gas outlet. Because the materials in the polymerization carbonization reaction kettle react under the action of the stirring device, a large amount of foam can be generated in the reaction process, and the foam can be broken by the aid of the rotating stirring teeth to realize demulsification, so that the waste gas is discharged.
In a specific embodiment of the present invention, as shown in fig. 1, the waste gas treatment device includes a desulfurization absorption tower 10, an absorption cooler 11 and a circulation pump 12, an air inlet of the desulfurization absorption tower 10 is connected to an air outlet of the polymerization carbonization reaction kettle 1 through a waste gas pipe 13, and a spraying assembly 14 is arranged on an upper portion of an inner cavity of the desulfurization absorption tower 10 for cooling the waste gas; a packing layer 15 is arranged in the middle of the desulfurization absorption tower 10 and used for washing waste gas; ammonia liquid is arranged at the lower part of the desulfurization absorption tower 10 and is used for absorbing sulfur-containing gas in the waste gas; a liquid discharge pipe at the bottom of the desulfurization absorption tower 10 is connected with an inlet of a circulating pump 12, an outlet return pipe of the circulating pump 12 penetrates through an absorption cooler 11 and is connected with a spraying assembly 14, and an outlet of the circulating pump 12 is connected with a sewage treatment device 28 through a branch pipe 16; the top air outlet of the desulfurization absorption tower 10 is connected with a fan 18, and the outlet of the fan 18 is communicated with a chimney 27. Waste gas is absorbed by ammonia liquid in the desulfurization absorption tower and is absorbed by the filler, and then the waste gas is sprayed and cooled by the spraying assembly, so that formed liquid particles fall to the bottom of the desulfurization absorption tower, and one part of waste liquid is recycled by the circulating pump, and the other part of waste liquid enters the sewage treatment device for treatment. Adopt this technical scheme can accomplish the purification treatment of waste gas.
The absorption cooler 11 is a heat exchanger, and a cooling water coil connected to a cooling water pipeline is arranged in the heat exchanger. The waste liquid conveyed by the circulating pump is cooled by the heat exchanger, and then the waste gas is cooled.
In a specific embodiment of the present invention, as shown in fig. 1, an interlayer 19 filled with a heat conducting medium is disposed on the outer wall of the polymerization carbonization reaction kettle 1, an inlet of the interlayer 19 is connected to an outlet pipe 20 of a temperature adjustment device, and an outlet of the interlayer 19 is connected to an inlet pipe 21 of the temperature adjustment device; the temperature adjusting device comprises a medium heater 22 and a medium cooler 23 which are connected in parallel with the inlet pipe 21 and the outlet pipe 20 and are used for heating and cooling the medium in the interlayer of the outer wall of the polymerization carbonization reaction kettle 1. The inlet pipe and the outlet pipe in the structure are adopted to heat and cool the polymerization carbonization reaction kettle in time staggered, so that the process pipeline is simplified, and the whole structure is more compact.
In one embodiment of the present invention, an electric heating wire is disposed inside the medium heater 22 to facilitate heating of the medium; the medium cooler 23 is a heat exchanger, and a cooling water coil connected to a cooling water pipeline is arranged inside the heat exchanger to rapidly cool the medium flowing through the heat exchanger. The polymerization carbonization reaction kettle is heated and cooled by adopting the structure.
Further optimizing the technical solution, as shown in fig. 1, an outlet of the medium heater 22 is connected to the outlet pipe 20 through a third transfer pump 24, an outlet of the medium cooler 23 is connected to the low-temperature medium storage tank 17, and an outlet of the medium storage tank 17 is connected to the outlet pipe 20 through a fourth transfer pump 25; and pressure gauges 26 are arranged at the outlets of the third conveying pump 24 and the fourth conveying pump 25. The low-temperature medium storage tank is used for storing the cooled low-temperature medium, so that the purpose of cooling the polymerization carbonization reaction kettle is realized.
In a specific embodiment of the present invention, the medium in the medium heater 22 and the interlayer 19 on the outer wall of the polymerization carbonization reaction kettle 1 is heat conducting oil. Water may also be selected as the temperature transfer medium.
The utility model discloses used correlation technique discloses relevant description at patent CN108946697A, CN201610682877.2 and CN201610683222.7, and alkylation waste sulfuric acid is handled to this kind of carbomorphism method, can be the acid solution polymerization carbomorphism in the waste sulfuric acid for function carbon material, and the method process route of preparation charcoal base acid material is short, the investment is little, easy operation, the working costs is low, application scope is wide, can realize the resource recycle of acid soluble oil and sulphuric acid in the waste sulfuric acid, reduces carbon and discharges.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The utility model provides an organic spent sulfuric acid carbomorphism processing system which characterized in that: the device comprises a polymerization carbonization reaction kettle, a filtering device, a washing kettle and a temperature regulating device for heating and cooling the polymerization carbonization reaction kettle, wherein the top of the polymerization carbonization reaction kettle is provided with a feeding hole for connecting with a waste acid pipeline and adding other raw materials; the top of the polymerization and carbonization reaction kettle is also provided with an exhaust port connected with the waste gas treatment device, a discharge port at the bottom of the polymerization and carbonization reaction kettle is connected with an inlet of a filtering device, a slag outlet of the filtering device is connected with an inlet of a washing kettle, the slag outlet of the filtering device is also provided with a slag discharge port, and a filtrate outlet of the filtering device is connected with a washing acid storage tank; and stirring devices are arranged in the polymerization carbonization reaction kettle and the washing kettle.
2. The organic waste sulfuric acid carbonization treatment system according to claim 1, characterized in that: the gas vent of polymerization and carbonization reation kettle is equipped with the breakdown of emulsion mechanism, the breakdown of emulsion mechanism includes the (mixing) shaft by motor drive, be equipped with the stirring tooth on the excircle of (mixing) shaft for smash the foam of gas vent department.
3. The organic waste sulfuric acid carbonization treatment system according to claim 1, characterized in that: the discharge port of the polymerization carbonization reaction kettle is connected with the inlet of the filtering device through a first conveying pump, and the discharge port at the bottom of the washing kettle is connected with the inlet of the filtering device through a second conveying pump; the outlet of the acid washing storage tank is connected with the inlet of an acid washing pump, and the outlet of the acid washing pump is connected with the inlet of the washing kettle or the outer discharge pipe.
4. The organic waste sulfuric acid carbonization treatment system according to claim 1, characterized in that: the waste gas treatment device comprises a desulfurization absorption tower, an absorption cooler and a circulating pump, wherein a gas inlet of the desulfurization absorption tower is connected with a gas outlet of the polymerization and carbonization reaction kettle through a waste gas pipe, and a spraying assembly is arranged at the upper part of an inner cavity of the desulfurization absorption tower and used for cooling waste gas; the middle part of the desulfurization absorption tower is provided with a packing layer for washing waste gas; the lower part of the desulfurization absorption tower is provided with ammonia liquid for absorbing sulfur-containing gas in the waste gas; a liquid discharge pipe at the bottom of the desulfurization absorption tower is connected with an inlet of a circulating pump, an outlet return pipe of the circulating pump penetrates through an absorption cooler and is connected with a spraying assembly, and an outlet of the circulating pump is connected with a sewage treatment device through a branch pipe; and a gas outlet at the top of the desulfurization absorption tower is connected with a fan, and an outlet of the fan is communicated with a chimney.
5. The organic waste sulfuric acid carbonization treatment system according to claim 4, characterized in that: the absorption cooler is a heat exchanger, and a cooling water coil connected with a cooling water pipeline is arranged in the heat exchanger.
6. The organic waste sulfuric acid carbonization treatment system according to any one of claims 1 to 5, wherein: the outer wall of the polymerization carbonization reaction kettle is provided with an interlayer filled with a heat-conducting medium, the inlet of the interlayer is connected with the outlet pipe of the temperature regulating device, and the outlet of the interlayer is connected with the inlet pipe of the temperature regulating device; the temperature adjusting device comprises a medium heater and a medium cooler which are connected with the inlet pipe and the outlet pipe in parallel and used for heating and cooling the medium in the interlayer of the outer wall of the polymerization carbonization reaction kettle.
7. The organic waste sulfuric acid carbonization treatment system according to claim 6, characterized in that: the medium heater is internally provided with an electric heating wire, the medium cooler is a heat exchanger, and a cooling water coil connected with a cooling water pipeline is arranged in the heat exchanger.
8. The organic waste sulfuric acid carbonization treatment system according to claim 6, characterized in that: the outlet of the medium heater is connected with an outlet pipe through a third delivery pump, the outlet of the medium cooler is connected with a low-temperature medium storage tank, and the outlet of the medium storage tank is connected with the outlet pipe through a fourth delivery pump; and pressure gauges are arranged at outlets of the third delivery pump and the fourth delivery pump.
9. The organic waste sulfuric acid carbonization treatment system according to claim 6, characterized in that: the medium in the interlayer of the outer walls of the medium heater and the polymerization carbonization reaction kettle is heat conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020235714.1U CN211971802U (en) | 2020-03-02 | 2020-03-02 | Organic waste sulfuric acid carbonization treatment system |
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| CN202020235714.1U CN211971802U (en) | 2020-03-02 | 2020-03-02 | Organic waste sulfuric acid carbonization treatment system |
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| CN211971802U true CN211971802U (en) | 2020-11-20 |
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| CN202020235714.1U Active CN211971802U (en) | 2020-03-02 | 2020-03-02 | Organic waste sulfuric acid carbonization treatment system |
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