CN211078982U - Sebacic acid production acidification system - Google Patents
Sebacic acid production acidification system Download PDFInfo
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- CN211078982U CN211078982U CN201922194408.8U CN201922194408U CN211078982U CN 211078982 U CN211078982 U CN 211078982U CN 201922194408 U CN201922194408 U CN 201922194408U CN 211078982 U CN211078982 U CN 211078982U
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Abstract
The utility model discloses an acidification system for producing sebacic acid, which comprises an acidification kettle, an impinging stream crystallization tank and an acidification cooling tank, wherein the bottom end of the acidification cooling tank is provided with a circulating water inlet, the upper end side surface of the acidification cooling tank is provided with a circulating water outlet and a crystallization solution outlet, and the crystallization solution outlet is arranged above the circulating water outlet; the bottom end of the impinging stream crystallization tank is provided with a sebacic acid crystallization liquid outlet, the sebacic acid crystallization liquid outlet is connected with a first crystallization liquid outlet pipeline, the first crystallization liquid outlet pipeline is connected with a delivery pump, a second crystallization liquid outlet pipeline is arranged between the delivery pump and the impinging stream crystallization tank, the first crystallization liquid outlet pipeline is provided with a first liquid outlet valve, and the second crystallization liquid outlet pipeline is provided with a second liquid outlet valve. The utility model adopts the above structure, the sebacic acid solution after the acidizing flows the crystal degree of consistency of crystallizer with the sebacic acid crystallization through the striking and increases, increase crystal diameter, and the crystallinity is high, avoids the little crystal to flow in the mother liquor in the cooling separation process.
Description
Technical Field
The utility model belongs to the technical field of sebacic acid apparatus for producing technique and specifically relates to a sebacic acid production acidizing system is related to.
Background
The acidification process of the original sebacic acid production device is that decolored and filtered monosodium sebacate reacts with sulfuric acid in an acidification tank to obtain sebacic acid solution, then the sebacic acid solution enters a crystallization tank to slowly crystallize the sebacic acid solution in the crystallization tank, then the sebacic acid solution enters an acidification cooling tank to be cooled and centrifuged to obtain wet sebacic acid, and then the wet sebacic acid is dried through airflow to obtain a product sebacic acid. In view of the above, it is desirable to design an acidification system for sebacic acid production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sebacic acid production acidizing system, sebacic acid solution after the acidizing flows the crystal degree of consistency of crystallizer with the sebacic acid crystallization through the striking and increases, has increased the crystal diameter, and the crystallinity is high, avoids the little crystal inflow mother liquor in the cooling separation process.
In order to achieve the purpose, the utility model provides an acidification system for sebacic acid production, which comprises an acidification kettle, an impact flow crystallization tank connected with the acidification kettle and an acidification cooling tank connected with the impact flow crystallization tank, wherein the bottom end of the acidification cooling tank is provided with a circulating water inlet, the upper end side of the acidification cooling tank is provided with a circulating water outlet and a crystallization solution outlet, and the crystallization solution outlet is arranged above the circulating water outlet;
a sebacic acid crystallization liquid outlet is formed in the bottom end of the impinging stream crystallization tank, a first crystallization liquid outlet pipeline is connected to the sebacic acid crystallization liquid outlet, a conveying pump is connected to the first crystallization liquid outlet pipeline, a second crystallization liquid outlet pipeline is arranged between the conveying pump and the impinging stream crystallization tank, a first liquid outlet valve is arranged on the first crystallization liquid outlet pipeline, and a second liquid outlet valve is arranged on the second crystallization liquid outlet pipeline;
the impinging stream crystallization tank is provided with a steam inlet, the steam inlet is connected with a first steam pipeline, and the first steam pipeline is provided with a first steam valve.
Preferably, a third liquid outlet pipeline is arranged between the second crystallization liquid outlet pipeline and the acidification cooling tank, and a third liquid outlet valve is arranged on the third liquid outlet pipeline.
Preferably, an acidizing fluid outflow pipeline is arranged between the acidizing kettle and the impinging stream crystallizing tank, and an acidizing fluid valve is arranged on the acidizing fluid outflow pipeline.
Preferably, the top of the acidification kettle is communicated with a second steam pipeline, and a second steam valve is arranged on the second steam pipeline.
Preferably, a mixing tank is connected to a feed inlet of the acidification kettle, and a sulfuric acid feed inlet is formed in the mixing tank.
Therefore, the utility model discloses a sebacic acid production acidizing system of above-mentioned structure, the sebacic acid solution after the acidizing is through striking the crystal degree of consistency increase that flows the crystallizer with the sebacic acid crystallization, has increased the crystal diameter, and the crystallinity is high, avoids the little crystal to flow into the mother liquor in the cooling separation process.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an acidification system for producing sebacic acid.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of an acidification system for producing sebacic acid according to the present invention, as shown in the figure, the present invention provides an acidification system for producing sebacic acid, comprising an acidification kettle 1, an impinging stream crystallization tank 2 connected to the acidification kettle 1, and an acidification cooling tank 3 connected to the impinging stream crystallization tank 2, wherein a circulating water inlet 4 is provided at the bottom end of the acidification cooling tank 3, a circulating water outlet 5 and a crystallization solution outlet 6 are provided at the upper end side of the acidification cooling tank 3, and the crystallization solution outlet 6 is provided above the circulating water outlet 5; a sebacic acid crystallization liquid outlet 7 is formed in the bottom end of the impinging stream crystallization tank 2, a first crystallization liquid outlet pipeline 8 is connected to the sebacic acid crystallization liquid outlet 7, a delivery pump 9 is connected to the first crystallization liquid outlet pipeline 8, a second crystallization liquid outlet pipeline 10 is arranged between the delivery pump 9 and the impinging stream crystallization tank 2, a first liquid outlet valve 11 is arranged on the first crystallization liquid outlet pipeline 10, and a second liquid outlet valve 12 is arranged on the second crystallization liquid outlet pipeline 10; the impinging stream crystallizing tank 2 is provided with a steam inlet 13, the steam inlet 13 is connected with a first steam pipeline 14, and the first steam pipeline 14 is provided with a first steam valve 15. The utility model discloses a striking flows the crystallizer and strikes the monosodium sebacate after with the acidizing, can increase the degree of consistency of crystal like this, has increased the particle diameter of crystal. The specific working process is as follows: reacting the neutralized, decolored and filtered monosodium sebacate with sulfuric acid in an acidification tank to obtain a sebacic acid solution, then feeding the sebacic acid solution into an impinging stream crystallization tank to crystallize the sebacic acid solution in the impinging stream crystallization tank, circulating the impinging stream crystallization tank in a forced circulation mode while feeding the crystallized sebacic acid solution into an acidification cooling tank for cooling and centrifuging to obtain wet sebacic acid, and drying the wet sebacic acid product through airflow to obtain the product sebacic acid.
A third liquid outlet pipeline 16 is arranged between the second crystallization liquid outlet pipeline 10 and the acidification cooling tank 3, and a third liquid outlet valve 17 is arranged on the third liquid outlet pipeline 16. An acidizing fluid outflow pipeline 18 is arranged between the acidizing kettle 1 and the impinging stream crystallizing tank 2, and an acidizing fluid valve 19 is arranged on the acidizing fluid outflow pipeline 18.
The top of the acidification kettle 1 is communicated with a second steam pipeline 20, and a second steam valve 21 is arranged on the second steam pipeline 20. A mixing tank 22 is connected to the feed inlet of the acidification kettle 1, and a sulfuric acid feed inlet 23 is arranged in the mixing tank 22.
Therefore, the utility model discloses a sebacic acid production acidizing system of above-mentioned structure, the sebacic acid solution after the acidizing is through striking the crystal degree of consistency increase that flows the crystallizer with the sebacic acid crystallization, has increased the crystal diameter, and the crystallinity is high, avoids the little crystal to flow into the mother liquor in the cooling separation process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. An acidification system for producing sebacic acid is characterized in that:
the device comprises an acidification kettle, an impinging stream crystallization tank connected with the acidification kettle and an acidification cooling tank connected with the impinging stream crystallization tank, wherein a circulating water inlet is formed in the bottom end of the acidification cooling tank, a circulating water outlet and a crystallization solution outlet are formed in the side surface of the upper end of the acidification cooling tank, and the crystallization solution outlet is formed above the circulating water outlet;
a sebacic acid crystallization liquid outlet is formed in the bottom end of the impinging stream crystallization tank, a first crystallization liquid outlet pipeline is connected to the sebacic acid crystallization liquid outlet, a conveying pump is connected to the first crystallization liquid outlet pipeline, a second crystallization liquid outlet pipeline is arranged between the conveying pump and the impinging stream crystallization tank, a first liquid outlet valve is arranged on the first crystallization liquid outlet pipeline, and a second liquid outlet valve is arranged on the second crystallization liquid outlet pipeline;
the impinging stream crystallization tank is provided with a steam inlet, the steam inlet is connected with a first steam pipeline, and the first steam pipeline is provided with a first steam valve.
2. The sebacic acid production acidification system of claim 1, wherein: a third liquid outlet pipeline is arranged between the second crystallization liquid outlet pipeline and the acidification cooling tank, and a third liquid outlet valve is arranged on the third liquid outlet pipeline.
3. The sebacic acid production acidification system of claim 2, wherein: an acidizing fluid outflow pipeline is arranged between the acidizing kettle and the impinging stream crystallizing tank, and an acidizing fluid valve is arranged on the acidizing fluid outflow pipeline.
4. The sebacic acid production acidification system of claim 3, wherein: the top of the acidification kettle is communicated with a second steam pipeline, and a second steam valve is arranged on the second steam pipeline.
5. The sebacic acid production acidification system of claim 4, wherein: the feed inlet of the acidification kettle is connected with a mixing tank, and a sulfuric acid feed inlet is formed in the mixing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194408.8U CN211078982U (en) | 2019-12-09 | 2019-12-09 | Sebacic acid production acidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922194408.8U CN211078982U (en) | 2019-12-09 | 2019-12-09 | Sebacic acid production acidification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211078982U true CN211078982U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922194408.8U Active CN211078982U (en) | 2019-12-09 | 2019-12-09 | Sebacic acid production acidification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211078982U (en) |
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2019
- 2019-12-09 CN CN201922194408.8U patent/CN211078982U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Acidification system for sebacic acid production Effective date of registration: 20220901 Granted publication date: 20200724 Pledgee: China Construction Bank Corporation Xinxian Sub-branch Pledgor: Shandong Chiyue Chemical Co.,Ltd. Registration number: Y2022980014267 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |