CN216998043U - Pretreatment device for hydrochloric acid-containing organic waste liquid - Google Patents
Pretreatment device for hydrochloric acid-containing organic waste liquid Download PDFInfo
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- CN216998043U CN216998043U CN202220326693.3U CN202220326693U CN216998043U CN 216998043 U CN216998043 U CN 216998043U CN 202220326693 U CN202220326693 U CN 202220326693U CN 216998043 U CN216998043 U CN 216998043U
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Abstract
The utility model relates to a pretreatment device for organic waste liquid containing hydrochloric acid, which comprises an organic waste liquid collecting tank containing hydrochloric acid, a mixing reactor, a filtering device, a waste liquid collecting tank and a waste liquid spray-burning device which are sequentially arranged; the upper part of the mixing reactor is connected with a waste gas treatment device; the organic waste liquid collecting tank containing hydrochloric acid is connected with the feed inlet of the mixing reactor, the upper part of the mixing reactor is connected with a dosing device, the dosing device comprises a methylamine water solution inlet groove, the discharge port of the lower part of the mixing reactor is connected with the feed inlet of the upper part of the filtering device, the discharge port of the lower part of the filtering device is connected with the feed inlet of the upper part of the waste liquid collecting tank, and the discharge port of the bottom of the waste liquid collecting tank is connected with the feed inlet of the upper part of the waste liquid spray burning device.
Description
Technical Field
The utility model relates to the technical field of hazardous waste treatment, in particular to a pretreatment device for organic waste liquid containing hydrochloric acid.
Background
China produces tens of thousands of tons of organic waste liquid every year in petrochemical industry, metallurgy, papermaking, tanning, fermentation and brewing, pharmacy, textile printing and dyeing industry and the like. The organic waste liquid discharged by these industries poses serious challenges to our living environment and ecology.
Common methods for treating organic waste liquid include solvent extraction, membrane separation technology, oxidation, adsorption and incineration, wherein the incineration is the most effective means for treating organic waste water by air deep oxidation at high temperature, and is the most easily-realized industrialization method for treating organic waste water by high-temperature deep oxidation. The burning method can oxidize and decompose harmful organic matters completely at high temperature to generate carbon dioxide and water, the removal rate of the organic matters in the waste liquid can reach more than 99.99 percent, and the method has short treatment time, less investment and small occupied area.
However, the organic waste liquid has large differences in the components, forms, properties and concentrations of pollutants, and often contains a large amount of suspended, colloidal and dissolved organic substances and other impurities, and particularly, the organic waste liquid in the pharmaceutical industry often contains a large amount of hydrochloric acid, so that the direct incineration treatment easily causes the blockage of the incineration equipment on one hand, and has large corrosion damage to the incineration equipment on the other hand, and the service life of the incinerator is shortened. Therefore, before the organic waste liquid is incinerated, the organic waste liquid needs to be pretreated by a pretreatment device and then enters an incinerator for spray-burning treatment.
Disclosure of Invention
The utility model provides a pretreatment device for organic waste liquid containing hydrochloric acid, which solves the problems of pretreatment of organic waste liquid containing hydrochloric acid and co-disposal of methylamine water solution with high risk.
In order to solve the problems, the utility model adopts the following technical scheme: a hydrochloric acid-containing organic waste liquid pretreatment device comprises a hydrochloric acid-containing organic waste liquid collection tank, a mixing reactor, a filtering device, a waste liquid collection tank and a waste liquid spray-burning device which are sequentially arranged; the upper part of the mixing reactor is connected with a waste gas treatment device; the organic waste liquid collecting tank containing hydrochloric acid is connected with the feed inlet of the mixing reactor, the upper part of the mixing reactor is connected with a dosing device, the dosing device comprises a methylamine water solution inlet groove, the discharge port of the lower part of the mixing reactor is connected with the feed inlet of the upper part of the filtering device, the discharge port of the lower part of the filtering device is connected with the feed inlet of the upper part of the waste liquid collecting tank, and the discharge port of the bottom of the waste liquid collecting tank is connected with the feed inlet of the upper part of the waste liquid spray burning device.
Furthermore, the mixing reactor is an explosion-proof reactor, and a stirring device and a pH indicator are arranged in the explosion-proof reactor; the interior of the filtering device is sequentially provided with a plurality of groups of filtering nets from top to bottom.
And furthermore, the upper part of the mixing reactor is externally connected with an exhaust pipeline, the exhaust pipeline is connected with an exhaust gas treatment device, and the exhaust gas treatment device comprises a sulfuric acid solution absorption device, a sodium hydroxide solution absorption device, an activated carbon absorption device and a vacuum pump which are sequentially arranged from the air outlet of the exhaust pipeline to the outside.
And a cooling water circulating device is arranged on the outer wall of the mixing reactor and comprises a cooling water circulating cavity arranged from the outer wall of the middle part of the mixing reactor to the outer wall of the lower part of the mixing reactor, a cooling liquid inlet is formed in the side part of the cooling water circulating cavity, and a cooling liquid outlet is formed in the bottom of the cooling water circulating cavity.
Still further, set up first pump on the connecting pipeline between organic waste liquid collection tank that contains hydrochloric acid and the mixing reactor, set up the second pump on the connecting pipeline between mixing reactor and the filter equipment, set up the third pump on the connecting pipeline between filter equipment and the waste liquid collection tank, set up the fourth pump on the connecting pipeline between waste liquid collection tank and the waste liquid blowout device.
The utility model has the beneficial effects that: the utility model can be used for treating the methylamine aqueous solution in a synergic way while effectively treating the organic waste liquid containing hydrochloric acid, and is a treatment process device for treating wastes with processes of wastes against one another. The harmless treatment of the organic waste liquid containing hydrochloric acid and the methylamine water solution is realized through the mixed reaction of the two waste liquids, and the three wastes of the system are effectively collected and treated in the whole reaction process, so that the purpose of treating wastes with processes of wastes is achieved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings, the pretreatment device for the organic waste liquid containing hydrochloric acid comprises an organic waste liquid collecting tank 1 containing hydrochloric acid, a mixing reactor 2, a filtering device 3, a waste liquid collecting tank 4 and a waste liquid spray-burning device 5 which are sequentially arranged; the upper part of the mixing reactor 2 is connected with an exhaust gas treatment device 7; contain organic waste liquid collection tank 1 of hydrochloric acid and be connected with mixing reactor 2's feed inlet, mixing reactor 2's upper portion is connected with charge device 6, charge device 6 include methylamine aqueous solution import groove 6a, the discharge gate of mixing reactor 2 lower part is connected with the feed inlet on 3 upper portions of filter equipment, the feed inlet on 4 upper portions of waste liquid collection tank is connected to the discharge gate of 3 lower parts of filter equipment, the feed inlet on 5 upper portions of waste liquid device of spouting is connected to the discharge gate of 4 bottoms of waste liquid collection tank.
Further, the mixing reactor 2 is an explosion-proof reactor, and a stirring device and a pH indicator are arranged in the explosion-proof reactor; a plurality of groups of filter screens are sequentially arranged in the filtering device 3 from top to bottom.
Still further, the external exhaust pipe that connects in mixing reactor 2 upper portion, exhaust pipe way connects exhaust treatment device 7, exhaust treatment device 7 include sulfuric acid solution absorbing device 7a, sodium hydroxide solution absorbing device 7b, active carbon absorbing device 7c, vacuum pump 7d that set gradually outward from the exhaust pipe way gas outlet.
Still further, a cooling water circulation device 8 is arranged on the outer wall of the mixing reactor 2, the cooling water circulation device 8 comprises a cooling water circulation cavity 8a arranged from the outer wall of the middle part of the mixing reactor 2 to the outer wall of the lower part of the mixing reactor, a cooling liquid inlet is formed in the side part of the cooling water circulation cavity 8a, and a cooling liquid outlet is formed in the bottom part of the cooling water circulation cavity 8 a.
Still further, a first pump 9a is arranged on a connecting pipeline between the organic waste liquid collecting tank 1 containing hydrochloric acid and the mixing reactor 2, a second pump 9b is arranged on a connecting pipeline between the mixing reactor 2 and the filtering device 3, a third pump 9c is arranged on a connecting pipeline between the filtering device 3 and the waste liquid collecting tank 4, and a fourth pump 9d is arranged on a connecting pipeline between the waste liquid collecting tank 4 and the waste liquid burning device 5.
The utility model can be used for treating the methylamine aqueous solution in a synergic way while effectively treating the organic waste liquid containing hydrochloric acid, and is a treatment process device for treating wastes with processes of wastes against one another. The harmless treatment of the organic waste liquid containing hydrochloric acid and the methylamine water solution is realized through the mixed reaction of the two waste liquids, and the three wastes of the system are effectively collected and treated in the whole reaction process, so that the purpose of treating wastes with processes of wastes is achieved.
The pretreatment process of the organic waste liquid containing hydrochloric acid based on the device comprises the following steps:
1) waste liquid mixing reaction: adding organic waste liquid containing hydrochloric acid and methylamine aqueous solution into a mixing reactor (explosion-proof type) according to the proportion of 1: 0.8-1: 0.9, and starting a stirring device to enable the organic waste liquid and the methylamine aqueous solution to fully react. Controlling the pH value to be 7.0-8.0 by a pH indicator:
CH3NH2+HCl→CH3NH2·HCl
2) cooling: in the step 1), heat energy is released in the reaction process, and the temperature of a reaction system is controlled below 30 ℃ by cooling with circulating cooling water.
3) And (3) filtering: suspended and colloidal substances in the organic waste liquid are filtered and collected by a filter device 3 containing a filter screen, and are sent to an incineration workshop for compatibility incineration.
4) Incineration disposal: pumping the mixed liquid treated in the step 3) into a waste liquid collecting tank 4 for collection, and spraying the mixed liquid into an incinerator through a waste liquid spraying and burning device 5 for incineration disposal.
Claims (5)
1. The utility model provides a preprocessing device who contains organic waste liquid of hydrochloric acid which characterized in that: comprises an organic waste liquid collecting tank (1) containing hydrochloric acid, a mixing reactor (2), a filtering device (3), a waste liquid collecting tank (4) and a waste liquid spray-burning device (5) which are arranged in sequence; the upper part of the mixing reactor (2) is connected with an exhaust gas treatment device (7); contain organic waste liquid collection tank (1) of hydrochloric acid and be connected with the feed inlet of hybrid reactor (2), the upper portion of hybrid reactor (2) is connected with charge device (6), charge device (6) including methylamine water solution import groove (6a), the discharge gate of hybrid reactor (2) lower part is connected with the feed inlet on filter equipment (3) upper portion, the feed inlet on waste liquid collection tank (4) upper portion is connected to the discharge gate of filter equipment (3) lower part, the feed inlet on waste liquid device (5) upper portion is connected to the discharge gate of waste liquid collection tank (4) bottom.
2. The pretreatment device of the organic waste liquid containing hydrochloric acid according to claim 1, characterized in that: the mixing reactor (2) is an explosion-proof reactor, and a stirring device and a pH indicator are arranged in the explosion-proof reactor; a plurality of groups of filter screens are sequentially arranged in the filter device (3) from top to bottom.
3. The pretreatment device of the organic waste liquid containing hydrochloric acid according to claim 1, characterized in that: the external exhaust pipe in hybrid reactor (2) upper portion connects exhaust treatment device (7) on the exhaust pipe, exhaust treatment device (7) including sulfuric acid solution absorbing device (7a), sodium hydroxide solution absorbing device (7b), active carbon absorbing device (7c), vacuum pump (7d) that outwards set gradually from the exhaust pipe gas outlet.
4. The pretreatment device of an organic waste liquid containing hydrochloric acid according to claim 2 or 3, characterized in that: the outer wall of the mixing reactor (2) is provided with a cooling water circulation device (8), the cooling water circulation device (8) comprises a cooling water circulation cavity (8a) from the outer wall of the middle part of the mixing reactor (2) to the outer wall of the lower part of the mixing reactor, the side part of the cooling water circulation cavity (8a) is provided with a cooling liquid inlet, and the bottom of the cooling water circulation cavity (8a) is provided with a cooling liquid outlet.
5. The pretreatment device of the organic waste liquid containing hydrochloric acid according to claim 4, characterized in that: contain organic waste liquid collection tank (1) of hydrochloric acid and set up first pumper (9a) on the connecting pipeline between hybrid reactor (2), set up second pumper (9b) on the connecting pipeline between hybrid reactor (2) and filter equipment (3), set up third pumper (9c) on the connecting pipeline between filter equipment (3) and waste liquid collection tank (4), set up fourth pumper (9d) on the connecting pipeline between waste liquid collection tank (4) and waste liquid blowout device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326693.3U CN216998043U (en) | 2022-02-17 | 2022-02-17 | Pretreatment device for hydrochloric acid-containing organic waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326693.3U CN216998043U (en) | 2022-02-17 | 2022-02-17 | Pretreatment device for hydrochloric acid-containing organic waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216998043U true CN216998043U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220326693.3U Active CN216998043U (en) | 2022-02-17 | 2022-02-17 | Pretreatment device for hydrochloric acid-containing organic waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216998043U (en) |
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2022
- 2022-02-17 CN CN202220326693.3U patent/CN216998043U/en active Active
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Address after: 230000 Wushan Town, Changfeng County, Hefei City, Anhui Province Patentee after: Anhui Haoyue Environmental Technology Co.,Ltd. Address before: 230000 Wushan Town, Changfeng County, Hefei City, Anhui Province Patentee before: ANHUI HAO YUE ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |