CN218689380U - Pretreatment device for non-volatile acidic rectification residues - Google Patents
Pretreatment device for non-volatile acidic rectification residues Download PDFInfo
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- CN218689380U CN218689380U CN202222132415.7U CN202222132415U CN218689380U CN 218689380 U CN218689380 U CN 218689380U CN 202222132415 U CN202222132415 U CN 202222132415U CN 218689380 U CN218689380 U CN 218689380U
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Abstract
The utility model relates to a pretreatment device of non-volatile acidic rectification residues, which comprises a rectification residue collection tank, a mixing reactor, a mixer and a mixed material collection device which are arranged in sequence; the upper part of the mixing reactor is connected with a waste gas collecting device; the discharge gate of rectification residue collecting tank is connected with the feed inlet of mixing reactor, and the upper portion of mixing reactor still is connected with charge device, charge device include ethylenediamine waste liquid import groove, mixing reactor's discharge gate is connected with the first feed inlet on the upper portion of blender, the discharge gate of the lower part of blender is connected compounding collection device, the second feed inlet on the upper portion of blender sets up adsorbs the material groove. The utility model discloses aim at carrying out the preliminary treatment through ethylenediamine waste liquid in coordination with non-volatility acid rectification residue, satisfy the rotary kiln feeding requirement with mixed system characteristic, realize the innocent treatment of two kinds of materials.
Description
Technical Field
The utility model relates to a hazardous waste handles technical field, concretely relates to preprocessing device of non-volatility acid rectification residue.
Background
The pharmaceutical industry is an important industry closely related to the health of people. With the enhancement of health consciousness of people, the demand of medical treatment and medicine will be gradually increased, and the development of the medical industry is inevitably accelerated. Creates great social benefit and economic benefit, and the pollution problem of three wastes (waste gas, waste water and waste residue) in the production process is more and more serious, especially the pollution problem of rectification residue is most prominent. The distillation residue has complex components, is inflammable, corrosive and toxic, belongs to dangerous waste, and can pollute the environment if the distillation residue cannot be effectively treated.
For rectification residues without resource utilization value, high-temperature incineration disposal is usually adopted. Most of the rectification residues are in a liquid sticky state and are acidic. If the acid rectification residue is directly subjected to high-temperature incineration treatment, on one hand, the acid rectification residue can corrode incineration equipment, the service life of an incinerator is shortened, on the other hand, a large amount of acid gas is generated, raw and auxiliary materials such as liquid caustic soda, lime and the like need to be consumed, and the disposal cost is high. Therefore, the acidic rectification residues need to be pretreated (or pretreated before being subjected to high-temperature incineration treatment) and then subjected to incineration treatment.
In the production process of some silane coupling agents, ethylenediamine and some silane intermediates are required to be used and react to obtain the aminosilane coupling agent, the usage amount of ethylenediamine in the process is excessive, and due to the particularity of the reaction, batch rectification is often adopted in the rectification part of the reaction process, the batch rectification can generate kettle washing waste liquid and ethylenediamine pumped out by a vacuum pump, the water content of the ethylenediamine waste liquid reaches about 20-30%, and the disposal cost of the waste liquid is high.
Disclosure of Invention
The utility model provides a preprocessing device of non-volatility acid rectification residue to the problem of mentioning in the background art, the utility model discloses aim at carrying out the preliminary treatment through ethylenediamine waste liquid in coordination with non-volatility acid rectification residue, satisfy the rotary kiln feeding requirement with mixed system characteristic, realize the innocent treatment of two kinds of materials.
In order to solve the above problem, the utility model adopts the following technical scheme: a pretreatment device for non-volatile acidic rectification residues comprises a rectification residue collection tank, a mixing reactor, a mixer and a mixed material collection device which are sequentially arranged; the upper part of the mixing reactor is connected with a waste gas collecting device; the discharge gate of rectification residue collecting tank is connected with the feed inlet of mixing reactor, and the upper portion of mixing reactor still is connected with charge device, charge device include ethylenediamine waste liquid import groove, mixing reactor's discharge gate is connected with the first feed inlet on the upper portion of blender, the discharge gate of the lower part of blender is connected compounding collection device, the second feed inlet on the upper portion of blender sets up adsorbs the material groove.
Further, the mixing reactor is an explosion-proof reactor, and a stirring device and a pH indicator are arranged in the explosion-proof reactor.
Further, mixing reactor upper portion and being located the external exhaust pipe of exhaust gas collection device department, exhaust pipe connects exhaust gas collection device, exhaust gas collection device include from sulfuric acid solution absorbing device, sodium hydroxide solution absorbing device, active carbon absorbing device, the vacuum pump that exhaust pipe gas outlet outwards set gradually.
Still further, a heating device is arranged on the outer wall of the mixing reactor, the heating device comprises a steam cavity arranged on the outer wall of the mixing reactor, a steam inlet is formed in the top of one side of the steam cavity, and a steam outlet is formed in the bottom of the other side of the steam cavity.
Furthermore, a first pump is arranged on a connecting pipeline between the acidic rectification residue collecting tank and the mixing reactor, and a second pump is arranged on a connecting pipeline between the mixing reactor and the mixer.
Further, a horizontal stirrer is arranged in the mixer.
Still further, be divided into two churns in the blender, be two (mixing) shafts that do the counter rotation in these two churns, be provided with stirring vane on the (mixing) shaft, the churn bottom is the rotation discharge door, compounding collection device be located the below of this rotation discharge door.
The utility model has the advantages that: through the utility model discloses when effectively handling non-volatility acid rectification residue, do to deal with the ethylenediamine waste liquid in coordination, be one kind with the useless processing apparatus who handles useless. The harmless treatment of the acidic rectification residue and the ethylene diamine waste liquid is realized through the mixed reaction of two kinds of hazardous wastes, 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 wastes is achieved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a preprocessing device of non-volatility acid rectification residue, through the utility model discloses non-volatility acid rectification residue and ethylenediamine waste liquid are solved to the device and a difficult problem is dealt with.
Concretely, a pretreatment device of non-volatile acidic rectification residues comprises a rectification residue collecting tank 1, a mixing reactor 2, a mixer 3 and a mixed material collecting device 4 which are sequentially arranged. The upper part of the mixing reactor 2 is connected with an exhaust gas collecting device 5. The discharge gate of rectification residue collecting tank 1 is connected with the feed inlet of mixing reactor 2, mixing reactor 2's upper portion (still) is connected with charge device 6, charge device 6 include ethylenediamine waste liquid import groove, mixing reactor 2's discharge gate is connected with the first feed inlet on the upper portion of blender 3, compounding collection device 4 is connected to the discharge gate of the lower part of blender 3, the second feed inlet on the upper portion of blender 3 sets up adsorbate silo 9.
Further, the mixing reactor 2 is an explosion-proof reactor, and a stirring device 2a and a pH indicator 2b are arranged in the mixing reactor;
still further, 2 upper portions of mixing reactor are located 5 external exhaust pipe of department of exhaust gas collection device, exhaust pipe connects exhaust gas collection device 5, exhaust gas collection device 5 include the sulphuric acid solution absorbing device 5a, sodium hydroxide solution absorbing device 5b, active carbon absorbing device 5c, the vacuum pump 5d that outwards set gradually from the exhaust pipe gas outlet.
Still further, a heating device 7 is arranged on the outer wall of the mixing reactor 2, the heating device 7 comprises a steam cavity arranged on the outer wall of the mixing reactor 2, a steam inlet 7a is formed in the top of one side of the steam cavity, and a steam outlet 7b is formed in the bottom of the other side of the steam cavity.
Still further, a first pump 8a is arranged on a connecting pipeline between the acidic rectification residue collecting tank 1 and the mixing reactor 2, and a second pump 8b is arranged on a connecting pipeline between the mixing reactor 2 and the mixer 3.
Further, a horizontal stirrer 3a is arranged in the mixer 3;
furthermore, the interior of the mixer 3 is divided into two mixing drums which are two mixing shafts rotating in opposite directions, and the mixing shafts are provided with mixing blades. The bottom of the stirring cylinder is provided with a rotary discharge door, and the mixed material collecting device 4 is positioned below the rotary discharge door.
Through the utility model discloses when effectively handling non-volatility acid rectification residue, do the coprocessing ethylene diamine waste liquid, be one kind with the useless processing technology device who handles useless. The harmless treatment of the acidic rectification residue and the ethylene diamine waste liquid is realized through the mixed reaction of two kinds of hazardous wastes, 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 wastes is achieved.
Based on the device, the pretreatment process of the non-volatile acidic rectification residue comprises the following steps:
1) Heating: the acidic rectification residue is heated to 60-70 ℃ by a (steam) heating device 7, so that the viscosity is reduced and the fluidity is increased.
2) Mixing and reacting: the ethylenediamine waste liquid is slowly added into the mixing reactor 2 (explosion-proof type) according to a set proportion (0.4-1.2), and the stirring device 2a is started to fully react to obtain a mixture A. Controlling the pH value to be 7.0-8.0 by a pH indicator:
the reaction mechanism is as follows:
H 2 NCH 2 CH 2 NH 2 +2H + ＝ + H·H 2 NCH 2 CH 2 NH 2 ·H +
3) Mixing materials: the mixture A is pumped into a mixer 3, materials with better adsorbability (such as sawdust, dust and the like) are added, and the water content of the mixture is adjusted to [ (40-60)% ] to obtain a mixture B so as to meet the incineration requirement.
4) Collecting: and the mixture B is placed in a standard container and is safely disposed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a preprocessing device of non-volatility acid rectification residue which characterized in that: comprises a rectification residue collection tank (1), a mixing reactor (2), a mixer (3) and a mixed material collection device (4) which are arranged in sequence; the upper part of the mixing reactor (2) is connected with an exhaust gas collecting device (5); the discharge gate of rectification residue collection tank (1) is connected with the feed inlet of mixing reactor (2), and the upper portion of mixing reactor (2) still is connected with charge device (6), charge device (6) including ethylenediamine waste liquid import groove, the discharge gate of mixing reactor (2) is connected with the first feed inlet on the upper portion of blender (3), compounding collection device (4) is connected to the discharge gate of the lower part of blender (3), the second feed inlet on the upper portion of blender (3) sets up adsorbs material groove (9).
2. The apparatus of claim 1, wherein the apparatus comprises: the mixing reactor (2) is an explosion-proof reactor, and a stirring device (2 a) and a pH indicator (2 b) are arranged in the explosion-proof reactor.
3. The apparatus for pretreating non-volatile acidic rectification residues according to claim 1, wherein: mixing reactor (2) upper portion is located external exhaust pipe of exhaust gas collection device (5) department, exhaust pipe connects exhaust gas collection device (5), exhaust gas collection device (5) including outwards sulfuric acid solution absorbing device (5 a), sodium hydroxide solution absorbing device (5 b), active carbon absorbing device (5 c), vacuum pump (5 d) that set gradually from the exhaust pipe gas outlet.
4. A device for pretreating non-volatile acidic rectification residues according to claim 1, 2 or 3, characterized in that: the heating device (7) is arranged on the outer wall of the mixing reactor (2), the heating device (7) comprises a steam cavity arranged on the outer wall of the mixing reactor (2), a steam inlet (7 a) is formed in the top of one side of the steam cavity, and a steam outlet (7 b) is formed in the bottom of the other side of the steam cavity.
5. The apparatus for pretreating non-volatile acidic rectification residues according to claim 1, wherein: a first pump (8 a) is arranged on a connecting pipeline between the acidic rectification residue collecting tank (1) and the mixing reactor (2), and a second pump (8 b) is arranged on a connecting pipeline between the mixing reactor (2) and the mixer (3).
6. The apparatus for pretreating non-volatile acidic rectification residues according to claim 1, wherein: and a horizontal stirrer (3 a) is arranged in the mixer (3).
7. The apparatus for pretreating non-volatile acidic rectification residues according to claim 6, wherein: be divided into two churns in blender (3), be two (mixing) shafts of doing the counter rotation in these two churns, be provided with stirring vane on the (mixing) shaft, the churn bottom is the rotation discharge door, compounding collection device (4) be located the below of this rotation discharge door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132415.7U CN218689380U (en) | 2022-08-12 | 2022-08-12 | Pretreatment device for non-volatile acidic rectification residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132415.7U CN218689380U (en) | 2022-08-12 | 2022-08-12 | Pretreatment device for non-volatile acidic rectification residues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218689380U true CN218689380U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222132415.7U Active CN218689380U (en) | 2022-08-12 | 2022-08-12 | Pretreatment device for non-volatile acidic rectification residues |
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| CN (1) | CN218689380U (en) |
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2022
- 2022-08-12 CN CN202222132415.7U patent/CN218689380U/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. |