CN216584816U - Cracking device for carbon twelve materials in butanol and octanol residual liquid - Google Patents
Cracking device for carbon twelve materials in butanol and octanol residual liquid Download PDFInfo
- Publication number
- CN216584816U CN216584816U CN202220343541.4U CN202220343541U CN216584816U CN 216584816 U CN216584816 U CN 216584816U CN 202220343541 U CN202220343541 U CN 202220343541U CN 216584816 U CN216584816 U CN 216584816U
- Authority
- CN
- China
- Prior art keywords
- cracking
- kettle
- rectifying tower
- receiving tank
- product receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a cracker, concretely relates to cracker of carbon twelve materials in butyl octanol raffinate. Comprises a cracking rectifying tower, wherein the cracking rectifying tower comprises a cracking kettle and a pre-rectifying tower; the bottom of the cracking kettle is sequentially connected with a first cracking kettle bottom cooler, a second cracking kettle bottom cooler and a waste liquid charging basket through a cracking kettle discharge pump; the bottom of the cracking kettle is also connected with a cracking kettle circulating pump, the cracking kettle circulating pump is connected with a cracking reboiler, and the cracking reboiler is also connected with the top of the cracking kettle; the top of the pre-rectifying tower is connected with a cracking kettle top condenser which is respectively connected with a cracking product receiving tank, and the cracking product receiving tank is connected with a cracking product cooler and a product tank through a pre-rectifying tower reflux pump. The utility model discloses heavy components such as carbon twelve materials in the butyl octanol raffinate carry out catalytic cracking, rectification separation recovery and comprehensive utilization, have that the schizolysis is effectual, and the rate of recovery is high, the energy consumption is low, the security is good, advantages such as reliable and stable.
Description
Technical Field
The utility model relates to a cracker, concretely relates to cracker of carbon twelve material in butyl octanol raffinate.
Background
Butyl octanol residual liquid can be generated in the production process of the butyl octanol, part of the butyl octanol residual liquid contains by-products, and part of long-chain components such as carbon twelve, carbon sixteen and the like generated in the processes of oxo synthesis, condensation reaction, hydrogenation reaction and rectification are discharged in time in the production process so as to ensure the quality of butyl alcohol and octanol products. If the residual liquid is burnt, a large amount of chemical raw materials are wasted, and the environment is polluted. If the butanol, the octenal and the octanol with high value can be produced every year, the national energy-saving and emission-reducing policy is met, the production cost of the butanol-octanol device can be effectively reduced, and the market competitiveness of the product is enhanced. However, in the prior art, the catalytic cracking efficiency of the carbon twelve material in the butanol and octanol residual liquid is low, the energy consumption is high, and the industrial production is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cracking device of carbon twelve material in butyl octanol raffinate, simple structure reduces the energy consumption, and the schizolysis is effectual, and the product rate of recovery is high.
The utility model provides a technical scheme that its technical problem adopted is:
the cracking device for the carbon-twelve material in the butanol-octanol residual liquid comprises a cracking rectifying tower, wherein the cracking rectifying tower comprises a cracking kettle and a pre-rectifying tower, and the pre-rectifying tower is arranged at the upper part of the cracking kettle; the top of the cracking kettle is connected with a cracking raw material tank and a cracking auxiliary agent adding tank, and the top of the cracking auxiliary agent adding tank is connected with a cracking auxiliary agent conveying pipeline and a first nitrogen conveying pipeline; the bottom of the cracking kettle is sequentially connected with a first cracking kettle bottom cooler, a second cracking kettle bottom cooler and a waste liquid charging basket through a cracking kettle discharge pump; the bottom of the cracking kettle is also connected with a cracking kettle circulating pump, the cracking kettle circulating pump is connected with a cracking reboiler, and the cracking reboiler is also connected with the top of the cracking kettle;
the top of the pre-rectifying tower is connected with a cracking kettle top condenser, the cracking kettle top condenser is respectively connected with a cracking product receiving tank A and a cracking product receiving tank B, the cracking product receiving tank A and the cracking product receiving tank B are connected with the upper part of the pre-rectifying tower through a pre-rectifying tower reflux pump, the pre-rectifying tower reflux pump is further connected with a cracking product cooler, and the cracking product cooler is further connected with a product tank.
The bottom of the cracking aid adding tank is connected with the top of the cracking kettle through a cracking aid delivery pump.
Wherein:
the cracking product receiving tank A and the cracking product receiving tank B are both connected with a waste gas separation vacuum system; the cracking product receiving tank A is also connected with a wastewater separation unit.
And pipelines between the cracking kettle top condenser and the cracking product receiving tank A and between the cracking product receiving tank B are also connected with a second nitrogen conveying pipeline.
One end of the cracking reboiler is connected with the steam pipeline, and the other end of the cracking reboiler is connected with the condensate water pipeline.
The top of the pre-rectifying tower is also connected with a relief valve emptying main pipe through a pipeline, so that the safety of equipment and the safety of the pipeline are ensured.
The pre-rectifying tower reflux pump, the cracking kettle discharge pump, the cracking kettle circulating pump and the cracking auxiliary agent conveying pump are respectively provided with two.
The working process of the utility model is as follows:
conveying the cracking aid to a cracking aid adding tank through a cracking aid conveying pipeline, conveying nitrogen to the cracking aid adding tank through a first nitrogen conveying pipeline, wherein the nitrogen protects the whole cracking reaction, then pumping the nitrogen into a cracking kettle through a cracking aid conveying pump, simultaneously adding butanol and octanol residual liquid containing twelve carbon materials in a cracking raw material tank into the cracking kettle, wherein the consumption of the cracking aid is 1.5 wt% of the treatment capacity of the butanol and octanol residual liquid, controlling the temperature in the cracking kettle to be 170-210 ℃ and the liquid level to be 40-70%, cracking the twelve carbon materials partially under the action of the cracking aid, cracking the twelve carbon materials into butyraldehyde, octenal and octanol, producing a small amount of water vapor, feeding butyraldehyde, octenal, octanol gas and a small amount of water vapor generated by cracking into a pre-rectifying tower as light components, and controlling the pressure of the top of the pre-rectifying tower to be-70 KPa to-40 KPa, the temperature of the tower top is 80-120 ℃; after rectification, the generated cracking gas (butyraldehyde, octenal and octanol gas) and a small amount of water vapor enter a condenser at the top of the cracking kettle, the condensed mixed liquid, the non-condensable gas and nitrogen conveyed by a second nitrogen conveying pipeline enter a cracking product receiving tank A or a cracking product receiving tank B together, wastewater generated in the cracking product receiving tank A enters a wastewater separation unit, and waste gas in the cracking product receiving tank A or the cracking product receiving tank B enters a waste gas separation vacuum system; pumping a part of mixed liquor in the cracking product receiving tank A or the cracking product receiving tank B into the top of the pre-rectifying tower through a reflux pump of the pre-rectifying tower, adjusting the reflux quantity to control the temperature of the top for cracking rectification again, pumping the other part of mixed liquor into a cracking product cooler through the reflux pump of the pre-rectifying tower for cooling again, and then feeding the cooled mixed liquor into a product tank;
the heavy components such as carbon twelve materials which are not cracked in the butanol-octanol residual liquid flow out from the bottom of the cracking kettle, are pumped into a cracking reboiler through a circulating pump of the cracking kettle, then enter the top of the cracking kettle from the cracking reboiler, the carbon twelve materials which are not cracked are cracked again, and then are sequentially pumped into a first cracking kettle bottom cooler and a second cracking kettle bottom cooler through a discharging pump of the cracking kettle, and enter a waste liquid barrel after being cooled for two times.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a cracking kettle, cracking kettle circulating pump, cracking reboiler have constituted the circulation pipeline of heavy components such as carbon twelve materials, and tank A is received to pre-rectifying tower, cracking kettle top condenser, cracking product or received tank B with cracking product, pre-rectifying tower reflux pump has constituted the circulation pipeline of cracking product. Through the arrangement of the two circulation pipelines, the heavy components such as carbon twelve materials and the like which are not cracked can be cracked again, so that the cracking rate of the carbon twelve materials in the butanol-octanol residual liquid is greatly improved, and the recovery rates of the butyraldehyde, the butanol and the octenal are obviously improved; simultaneously the utility model discloses with the heavy ends schizolysis, showing and increasing raffinate recovery benefit, reduced industrial chemicals's waste, environmental protection.
The utility model discloses a catalytic cracking, rectification technology, heavy component such as the twelve materials of carbon carries out catalytic cracking, rectification separation recovery and comprehensive utilization to butyl octanol raffinate, have that the rate of recovery is high, the energy consumption is low, the security is good, advantages such as reliable and stable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a condenser at the top of the cracking kettle; 2. a safety valve emptying header pipe; 3. a second nitrogen gas delivery line; 4. a pyrolysis product receiving tank A; 5. an exhaust gas separation vacuum system; 6. a pyrolysis product receiving tank B; 7. a wastewater separation unit; 8. a pyrolysis product cooler; 9. a product tank; 10. a waste liquid barrel; 11. a second cracking kettle bottom cooler; 12. a first cracking kettle bottom cooler; 13. a reflux pump of the pre-rectifying tower; 14. a steam line; 15. a condensate line; 16. a discharging pump of the cracking kettle; 17. a cracking kettle circulating pump; 18. a cracking reboiler; 19. a cracking kettle; 20. a pre-rectifying tower; 21. a cracking aid delivery pump; 22. a cracking auxiliary agent adding tank; 23. a first nitrogen gas delivery line; 24. a cracking aid delivery line; 25. cracking the raw material tank.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the cracking device for the carbon-twelve material in the butanol-octanol residual liquid comprises a cracking rectification tower, wherein the cracking rectification tower comprises a cracking kettle 19 and a pre-rectification tower 20, and the pre-rectification tower 20 is arranged at the upper part of the cracking kettle 19; the top of the cracking kettle 19 is connected with a cracking raw material tank 25 and a cracking auxiliary agent adding tank 22, and the top of the cracking auxiliary agent adding tank 22 is connected with a cracking auxiliary agent conveying pipeline 24 and a first nitrogen conveying pipeline 23; the bottom of the cracking kettle 19 is sequentially connected with a first cracking kettle bottom cooler 12, a second cracking kettle bottom cooler 11 and a waste liquid charging basket 10 through a cracking kettle discharge pump 16; the bottom of the cracking kettle 19 is also connected with a cracking kettle circulating pump 17, the cracking kettle circulating pump 17 is connected with a cracking reboiler 18, and the cracking reboiler 18 is also connected with the top of the cracking kettle 19;
the top of the pre-rectifying tower 20 is connected with a cracking kettle top condenser 1, the cracking kettle top condenser 1 is respectively connected with a cracking product receiving tank A4 and a cracking product receiving tank B6, the cracking product receiving tank A4 and the cracking product receiving tank B6 are connected with the upper part of the pre-rectifying tower 20 through a pre-rectifying tower reflux pump 13, the pre-rectifying tower reflux pump 13 is also connected with a cracking product cooler 8, and the cracking product cooler 8 is connected with a product tank 9.
Wherein:
the bottom of the cracking assistant adding tank 22 is connected with the top of the cracking kettle 19 through a cracking assistant delivery pump 21.
The cracking product receiving tank A4 and the cracking product receiving tank B6 are both connected with a waste gas separation vacuum system 5; the cleavage product receiving tank A4 is also connected to a waste water separation unit 7.
And pipelines between the cracking kettle top condenser 1 and the cracking product receiving tank A4 and between the cracking product receiving tank B6 are also connected with a second nitrogen conveying pipeline 3.
One end of the cracking reboiler 18 is connected with the steam pipeline 14, and the other end of the cracking reboiler is connected with the condensate water pipeline 15.
The top of the pre-rectifying tower 20 is also connected with a safety valve emptying header pipe 2 through a pipeline.
The pre-rectifying tower reflux pump 13, the cracking kettle discharge pump 16, the cracking kettle circulating pump 17 and the cracking auxiliary agent conveying pump 21 are respectively provided with two.
The utility model discloses a working process is: the cracking assistant is conveyed into a cracking assistant adding tank 22 through a cracking assistant conveying pipeline 24, nitrogen is conveyed into the cracking assistant adding tank 22 through a first nitrogen conveying pipeline 23, the existence of the nitrogen plays a role in protecting the whole cracking reaction, and then the nitrogen is pumped into a cracking kettle 19 through a cracking assistant conveying pump 21, simultaneously adding butanol and octanol residual liquid containing carbon twelve materials in a cracking raw material tank into a cracking kettle 19, controlling the temperature in the cracking kettle 19 to be 170-210 ℃ and the liquid level to be 40-70%, under the action of the cracking assistant, the carbon twelve materials are cracked partially into butyraldehyde, octenal and octanol, and generating a small amount of water vapor, introducing butyraldehyde, octenal and octanol gas generated by cracking and the small amount of water vapor as light components into a pre-rectifying tower 20, controlling the pressure at the top of the pre-rectifying tower 20 to be-70 to-40 KPa, and controlling the temperature at the top of the pre-rectifying tower to be 80 to 120 ℃; after rectification, the generated cracking gas (butyraldehyde, octenal and octanol gas) and a small amount of water vapor enter a condenser 1 at the top of the cracking kettle, the condensed mixed liquid, the non-condensable gas and nitrogen conveyed by a second nitrogen conveying pipeline 3 enter a cracking product receiving tank A4 or a cracking product receiving tank B6 together, wastewater generated in the cracking product receiving tank A4 enters a wastewater separation unit 7, and waste gas in the cracking product receiving tank A4 or the cracking product receiving tank B6 enters a waste gas separation vacuum system 5; a part of mixed liquor in the cracking product receiving tank A4 or the cracking product receiving tank B6 is pumped into the top of a pre-rectifying tower 20 through a pre-rectifying tower reflux pump 13, the reflux quantity is adjusted to control the temperature at the top for cracking rectification again, and the other part of mixed liquor is pumped into a cracking product cooler 8 through the pre-rectifying tower reflux pump 13 for cooling again and then enters a product tank 9;
heavy components such as carbon twelve materials which are not cracked in the butanol-octanol residual liquid flow out from the bottom of the cracking kettle 19, are pumped into the cracking reboiler 18 through the cracking kettle circulating pump 17, then enter the top of the cracking kettle 19 through the cracking reboiler 18, the carbon twelve materials which are not cracked are cracked again, and then are sequentially pumped into the first cracking kettle bottom cooler 12 and the second cracking kettle bottom cooler 11 through the cracking kettle discharging pump 16, and enter the waste liquid barrel 10 after being cooled twice.
Claims (7)
1. The utility model provides a cracking unit of carbon twelve material in butyl octanol raffinate, includes the pyrolysis rectification tower, its characterized in that: the cracking rectifying tower comprises a cracking kettle (19) and a pre-rectifying tower (20), and the pre-rectifying tower (20) is arranged at the upper part of the cracking kettle (19); the top of the cracking kettle (19) is connected with a cracking raw material tank (25) and a cracking auxiliary agent adding tank (22), and the top of the cracking auxiliary agent adding tank (22) is connected with a cracking auxiliary agent conveying pipeline (24) and a first nitrogen conveying pipeline (23); the bottom of the cracking kettle (19) is sequentially connected with a first cracking kettle bottom cooler (12), a second cracking kettle bottom cooler (11) and a waste liquid barrel (10) through a cracking kettle discharge pump (16); the bottom of the cracking kettle (19) is also connected with a cracking kettle circulating pump (17), the cracking kettle circulating pump (17) is connected with a cracking reboiler (18), and the cracking reboiler (18) is also connected with the top of the cracking kettle (19);
the top of the pre-rectifying tower (20) is connected with a cracking kettle top condenser (1), the cracking kettle top condenser (1) is respectively connected with a cracking product receiving tank A (4) and a cracking product receiving tank B (6), the cracking product receiving tank A (4) and the cracking product receiving tank B (6) are connected with the upper part of the pre-rectifying tower (20) through a pre-rectifying tower reflux pump (13), the pre-rectifying tower reflux pump (13) is also connected with a cracking product cooler (8), and the cracking product cooler (8) is connected with a product tank (9).
2. The apparatus for cracking the carbon twelve material in butanol-octanol raffinate of claim 1, wherein: the bottom of the cracking auxiliary agent adding tank (22) is connected with the top of the cracking kettle (19) through a cracking auxiliary agent delivery pump (21).
3. The apparatus for cracking C-twelve materials in butanol-octanol raffinate of claim 1, wherein: the cracking product receiving tank A (4) and the cracking product receiving tank B (6) are both connected with a waste gas separation vacuum system (5); the cracking product receiving tank A (4) is also connected with a waste water separation unit (7).
4. The apparatus for cracking the carbon twelve material in butanol-octanol raffinate of claim 1, wherein: and pipelines between the cracking kettle top condenser (1) and the cracking product receiving tank A (4) and between the cracking product receiving tank B (6) are also connected with a second nitrogen conveying pipeline (3).
5. The apparatus for cracking the carbon twelve material in butanol-octanol raffinate of claim 1, wherein: one end of the cracking reboiler (18) is connected with the steam pipeline (14), and the other end of the cracking reboiler is connected with the condensate water pipeline (15).
6. The apparatus for cracking the carbon twelve material in butanol-octanol raffinate of claim 1, wherein: the top of the pre-rectifying tower (20) is also connected with a safety valve emptying header pipe (2) through a pipeline.
7. The apparatus for cracking the carbon twelve material in butanol-octanol raffinate of claim 2, wherein: the pre-rectifying tower reflux pump (13), the cracking kettle discharge pump (16), the cracking kettle circulating pump (17) and the cracking auxiliary agent conveying pump (21) are respectively provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220343541.4U CN216584816U (en) | 2022-02-21 | 2022-02-21 | Cracking device for carbon twelve materials in butanol and octanol residual liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220343541.4U CN216584816U (en) | 2022-02-21 | 2022-02-21 | Cracking device for carbon twelve materials in butanol and octanol residual liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216584816U true CN216584816U (en) | 2022-05-24 |
Family
ID=81635070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220343541.4U Active CN216584816U (en) | 2022-02-21 | 2022-02-21 | Cracking device for carbon twelve materials in butanol and octanol residual liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216584816U (en) |
-
2022
- 2022-02-21 CN CN202220343541.4U patent/CN216584816U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100453137C (en) | Alcohol quinque-towel differential pressure distilling arrangement and technique thereof | |
| CN104403704B (en) | Steam Heating washing oil negative pressure crude benzol distil process and equipment | |
| EP2239027B1 (en) | Method and device for producing vacuum in a petroleum distillation column | |
| CN101586037A (en) | Method for realizing selective reprocessing of catalytic cracking reprocessed oil slurry | |
| CN204400885U (en) | The purification and recover equipment of solvent dimethyl sulfoxide (DMSO) in a kind of carbon fiber production process | |
| CN205549656U (en) | Gaseous state solvent condensation recovery device | |
| CN216584816U (en) | Cracking device for carbon twelve materials in butanol and octanol residual liquid | |
| CN209922936U (en) | Coal gasification black water flash evaporation treatment system | |
| CN111821821A (en) | Fusel oil recycling device and method in methanol production | |
| CN217323421U (en) | Negative pressure ammonia distillation system for low-grade energy utilization of coking plant | |
| CN110981696A (en) | Process and system for producing fuel ethanol by using double-coarse single-fine three-tower distillation low-concentration fermented mash | |
| CN217163255U (en) | A rectification equipment that is arranged in N-methylaniline production methyl alcohol to retrieve | |
| CN209952261U (en) | Methanol three-tower rectifying device | |
| CN211752582U (en) | Distillation recovery system of ethylene glycol, diethylene glycol in ethylene glycol production waste liquid | |
| CN211522068U (en) | System for producing fuel ethanol by using double-coarse single-fine three-tower distillation low-concentration fermented mash | |
| CN210176758U (en) | Isooctyl acrylate heavy component schizolysis system | |
| CN218280583U (en) | Tar distillation device | |
| CN220194017U (en) | Crude methanol three-tower three-effect heat pump refining process device | |
| CN217323988U (en) | Negative pressure debenzolization device for circulating wash oil | |
| CN110590506A (en) | Crude butanol recovery system and process | |
| CN220098618U (en) | Device for recycling ammonia in heterogeneous ammoximation process wastewater | |
| CN111253985A (en) | Device and process for raw gas cooling and fraction primary separation | |
| CN110776398A (en) | Benzyl alcohol step pressure hydrolysis reaction process and system | |
| CN111072454B (en) | System and process for producing fuel ethanol by double-coarse and double-fine distillation with low pressure method | |
| CN213253057U (en) | Distilling device for potato fermented mash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |