CN220405587U - 1, 4-butanediol recovery device - Google Patents
1, 4-butanediol recovery device Download PDFInfo
- Publication number
- CN220405587U CN220405587U CN202321935608.4U CN202321935608U CN220405587U CN 220405587 U CN220405587 U CN 220405587U CN 202321935608 U CN202321935608 U CN 202321935608U CN 220405587 U CN220405587 U CN 220405587U
- Authority
- CN
- China
- Prior art keywords
- recovery
- pipeline
- tank
- butanediol
- fixed intercommunication
- 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
- 238000011084 recovery Methods 0.000 title claims abstract description 98
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000003860 storage Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000013072 incoming material Substances 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 239000012224 working solution Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 239000002699 waste material Substances 0.000 abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000011259 mixed solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- DLDJFQGPPSQZKI-UHFFFAOYSA-N but-2-yne-1,4-diol Chemical compound OCC#CCO DLDJFQGPPSQZKI-UHFFFAOYSA-N 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- -1 acetylene aldehyde Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to the technical field of BDO production, in particular to a 1, 4-butanediol recovery device which comprises a discharge tank, a vacuum pump set, a recovery tank, a coarse material storage tank and a concentration tower, wherein an inlet of the discharge tank is fixedly communicated with a gas-liquid separation tank incoming material pipeline, a first recovery pipeline is fixedly communicated between an outlet of the discharge tank and a first inlet of the recovery tank, a second recovery pipeline is fixedly communicated between a working fluid outlet of the vacuum pump set and the first recovery pipeline, a third recovery pipeline is fixedly communicated between a vacuum condensate outlet of the vacuum pump set and the second recovery pipeline, a nitrogen pipeline is fixedly communicated with a second inlet of the recovery tank, a vent pipeline is fixedly communicated with an outlet at the top of the recovery tank, and a fourth recovery pipeline is fixedly communicated between an outlet at the bottom of the recovery tank and the coarse material storage tank. The utility model realizes the recovery of three waste materials in BDO production, improves the yield of 1, 4-butanediol products, saves the production cost and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Description
Technical Field
The utility model relates to the technical field of BDO production, in particular to a 1, 4-butanediol recycling device.
Background
The BDO (1, 4-butanediol) product is produced by utilizing an acetylene aldehyde method, which is the most cost-saving method at present, firstly, acetylene and formaldehyde are utilized to carry out a first-step reaction under the condition of taking the acetylene and formaldehyde as reaction carriers to produce a mixed solution of 1, 4-butynediol and formaldehyde, then the mixed solution of 1, 4-butynediol and formaldehyde is purified, formaldehyde is recycled into a reaction system of the first step to continue the reaction, the purified 1, 4-butynediol and hydrogen are subjected to an addition reaction to obtain a mixed solution of crude 1, 4-butanediol, and the mixed solution is gradually purified by utilizing a reduced pressure rectifying tower to improve the purity of the crude 1, 4-butanediol to 99.5 percent, thus obtaining the product 1, 4-butanediol. Under the condition of the above technological method, three mixed solutions containing 1, 4-butanediol are required to be extracted and incinerated, so that the loss of 1, 4-butanediol products can be caused, the yield is reduced, the consumption of the device is increased, and the production cost is increased.
Disclosure of Invention
The utility model provides a 1, 4-butanediol recovery device, which overcomes the defects of the prior art, and can effectively solve the problem of resource waste caused by the laggard treatment mode of waste liquid containing 1, 4-butanediol generated in the prior BDO production.
The technical scheme of the utility model is realized by the following measures: the utility model provides a 1, 4-butanediol recovery unit, including the emission groove, the vacuum pump package, the recovery jar, the coarse fodder storage tank, the concentration tower, the fixed intercommunication of emission groove import has gas-liquid separation jar incoming material pipeline, fixed intercommunication has first recovery pipeline between emission groove export and the first import of recovery jar, fixed intercommunication has the second recovery pipeline between vacuum pump package working solution export and the first recovery pipeline, fixed intercommunication has the third recovery pipeline between vacuum pump package vacuum condensate export and the second recovery pipeline, fixed intercommunication in recovery jar second import has the nitrogen gas pipeline, fixed intercommunication in recovery jar top export has the drain pipeline, fixed intercommunication has fourth recovery pipeline between recovery jar bottom export and the coarse fodder storage tank, fixed intercommunication has the concentration tower pipeline that removes between coarse fodder storage tank first export and the concentration tower.
The following are further optimizations and/or improvements to the above-described inventive solution:
the first recovery pipeline between the discharge groove and the second recovery pipeline is fixedly provided with a first conveying pump, and the fourth recovery pipeline is sequentially and fixedly provided with a second conveying pump, a flowmeter and a regulating valve along the material conveying direction.
And a first circulating pipeline is fixedly communicated between a fourth recovery pipeline between the flowmeter and the second conveying pump and a second inlet of the recovery tank.
And a minimum reflux pipeline is fixedly communicated between a fourth recovery pipeline between the first circulating pipeline and the second conveying pump and a fourth recovery pipeline between the second conveying pump and the recovery tank.
And a second circulating pipeline is fixedly communicated between the second outlet of the coarse material storage tank and a fourth recovery pipeline between the regulating valve and the coarse material storage tank, and a circulating pump is fixedly arranged on the first circulating pipeline.
The recovery tank is fixedly provided with a liquid level meter, and an interlock is arranged between the liquid level meter and the second conveying pump.
The utility model has reasonable and compact structure and convenient use, realizes the recovery of three waste materials in BDO production, improves the yield of 1, 4-butanediol products, saves the production cost, has lower device transformation cost, achieves the aim of reducing the cost and enhancing the efficiency, and has the characteristics of safety, labor saving, simplicity and convenience and high efficiency.
Drawings
FIG. 1 is a schematic diagram of the process flow of the utility model.
The codes in the drawings are respectively: 1 is a discharge tank, 2 is a vacuum pump group, 3 is a recovery tank, 4 is a coarse material storage tank, 5 is a concentration tower, 6 is a gas-liquid separation tank incoming material pipeline, 7 is a first recovery pipeline, 8 is a second recovery pipeline, 9 is a third recovery pipeline, 10 is a nitrogen pipeline, 11 is a vent pipeline, 12 is a fourth recovery pipeline, 13 is a concentration tower removing pipeline, 14 is a first conveying pump, 15 is a second conveying pump, 16 is a flowmeter, 17 is a regulating valve, 18 is a first circulation pipeline, 19 is a return pipeline, 20 is a second circulation pipeline, 21 is a circulation pump, and 22 is a liquid level meter.
Detailed Description
The present utility model is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present utility model.
In the present utility model, unless otherwise specified, the devices and apparatuses used are all known and commonly used in the art.
In the present utility model, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The utility model is further described below with reference to examples and figures:
example 1: as shown in figure 1, the 1, 4-butanediol recovery device comprises a discharge tank 1, a vacuum pump set 2, a recovery tank 3, a coarse material storage tank 4 and a concentration tower 5, wherein an inlet of the discharge tank 1 is fixedly communicated with a gas-liquid separation tank incoming material pipeline 6, a first recovery pipeline 7 is fixedly communicated between an outlet of the discharge tank 1 and a first inlet of the recovery tank 3, a second recovery pipeline 8 is fixedly communicated between a working fluid outlet of the vacuum pump set 2 and the first recovery pipeline 7, a third recovery pipeline 9 is fixedly communicated between a vacuum condensate outlet of the vacuum pump set 2 and the second recovery pipeline 8, a nitrogen pipeline 10 is fixedly communicated with a second inlet of the recovery tank 3, an outlet of the top of the recovery tank 3 is fixedly communicated with an emptying pipeline 11, a fourth recovery pipeline 12 is fixedly communicated between an outlet of the bottom of the recovery tank 3 and the coarse material storage tank 4, and a concentration tower removal pipeline 13 is fixedly communicated between the first outlet of the coarse material storage tank 4 and the concentration tower 5.
The 1, 4-butanediol recovery device can be further optimized or/and improved according to actual needs:
example 2: which differs from example 1 in that: as shown in fig. 1, a first conveying pump 14 is fixedly installed on a first recovery pipeline 7 between the discharge tank 1 and a second recovery pipeline 8, and a second conveying pump 15, a flowmeter 16 and a regulating valve 17 are sequentially and fixedly installed on a fourth recovery pipeline 12 along the material conveying direction.
Example 3: which differs from examples 1 to 2 in that: as shown in fig. 1, a first circulation line 18 is fixedly connected between the fourth recovery line 12 between the flow meter 16 and the second transfer pump 15 and the third inlet of the recovery tank 3. The materials in the recovery tank 3 can be uniformly mixed by utilizing the first circulation pipeline 18, so that the conditions of quality fluctuation and the like of the production device caused by the change of the components of the materials are prevented.
Example 4: which differs from examples 1 to 3 in that: as shown in fig. 1, a return line 19 is fixedly connected between the fourth recovery line 12 between the first circulation line 18 and the second transfer pump 15 and the fourth recovery line 12 between the second transfer pump 15 and the recovery tank 3. A return line 19 is provided to facilitate timely adjustment of the outlet pressure of the second transfer pump 15 for protecting the transfer pump.
Example 5: which differs from examples 1 to 4 in that: as shown in fig. 1, a second circulation pipeline 20 is fixedly communicated between the second outlet of the coarse material storage tank 4 and the fourth recovery pipeline 12 between the regulating valve 17 and the coarse material storage tank 4, and a circulation pump 21 is fixedly arranged on the second circulation pipeline 20.
Example 6: which differs from examples 1 to 4 in that: as shown in fig. 1, the recovery tank 3 is fixedly provided with a liquid level meter 22, and an interlock is arranged between the liquid level meter 22 and the second delivery pump 15. The recovery tank 3 is designed with a level gauge 22, which triggers the interlock to shut down the second transfer pump 15 when the liquid level in the recovery tank 3 is low.
According to the requirement, each pipeline of the 1, 4-butanediol recovery device is fixedly provided with a hand valve, a check valve and an instrument which can enable the pipeline to normally operate.
In the production process, waste liquid generated by an upstream BOD production process gas-liquid separation tank enters a discharge tank 1 for storage, wherein the waste liquid contains about 10 to 20 percent of 1,4 butanediol, 30 to 60 percent of butanol, and the rest components are water, methanol and propanol solution; the vacuum condensate generated by the vacuum pump in the production process contains 20 to 40 percent of 1, 4-butanediol, 30 to 50 percent of water and other impurities; the waste vacuum pump working fluid contains 10 to 20 percent of 1, 4-butanediol, and the rest components are water and other impurities. The three materials containing 1, 4-butanediol are conveyed to a recovery tank 3 for storage, mixed liquor containing 1, 4-butanediol is formed in the recovery tank 3 and conveyed to a coarse material storage tank 4 by a second conveying pump 15, the feeding flow of the coarse material storage tank 4 to a concentration tower 5 is regulated in production, the mixed liquor in the recovery tank 3 can be gradually recovered into a production system, and separation and purification are continued to obtain a 1, 4-butanediol product, so that the recovery and reutilization of waste materials are realized. In addition, the 1, 4-butanediol recovery tank 3 is provided with a nitrogen pipeline 10 and an emptying pipeline 11, so that the pressure in the tank is stable, the hydrogen in the recovery tank 3 is discharged, and the accumulation of dangerous gas is avoided. After the method is implemented, the 1, 4-butanediol mixed solution is continuously recycled at the rate of 0.7T/H, the yield of the 1, 4-butanediol product is increased, the consumption of the device is reduced, the quality of the 1, 4-butanediol product is not affected, the production cost is saved, the transformation cost is lower, the economic benefit is higher, and the aims of reducing the cost and enhancing the efficiency are fulfilled.
The utility model provides a 1, 4-butanediol recycling device, which realizes recycling of three waste materials in BDO production, improves the yield of 1, 4-butanediol products, saves the production cost, has lower device transformation cost and achieves the aims of reducing the cost and enhancing the efficiency.
The technical characteristics form the embodiment of the utility model, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (7)
1. The utility model provides a 1, 4-butanediol recovery unit, a serial communication port includes the discharge tank, the vacuum pump package, the recovery jar, the coarse fodder storage tank, the concentration tower, discharge tank import fixed intercommunication has gas-liquid separation jar incoming material pipeline, fixed intercommunication has first recovery pipeline between discharge tank export and the first import of recovery jar, fixed intercommunication has the second recovery pipeline between vacuum pump package working solution export and the first recovery pipeline, fixed intercommunication has the third recovery pipeline between vacuum pump package vacuum condensate export and the second recovery pipeline, fixed intercommunication in recovery jar second import has the nitrogen gas pipeline, fixed intercommunication in recovery jar top export has the blow off pipeline, fixed intercommunication has fourth recovery pipeline between recovery jar bottom export and the coarse fodder storage tank, fixed intercommunication has the concentration tower pipeline that removes between coarse fodder storage tank first export and the concentration tower.
2. The 1, 4-butanediol recycling device according to claim 1, wherein a first conveying pump is fixedly arranged on a first recycling pipeline between the discharge groove and the second recycling pipeline, and a second conveying pump, a flowmeter and a regulating valve are sequentially and fixedly arranged on a fourth recycling pipeline along the material conveying direction.
3. The 1, 4-butanediol recovery device according to claim 2, wherein a first circulation line is fixedly communicated between a fourth recovery line between the flowmeter and the second transfer pump and the second inlet of the recovery tank.
4. The 1, 4-butanediol recovery device according to claim 3, wherein a minimum reflux line is fixedly connected between a fourth recovery line between the first circulation line and the second transfer pump and a fourth recovery line between the second transfer pump and the recovery tank.
5. The 1, 4-butanediol recycling device according to claim 3 or 4, wherein a second circulating pipeline is fixedly communicated between the second outlet of the coarse material storage tank and a fourth recycling pipeline between the regulating valve and the coarse material storage tank, and a circulating pump is fixedly arranged on the first circulating pipeline.
6. The 1, 4-butanediol recovery device according to claim 2, 3 or 4, wherein the recovery tank is fixedly provided with a liquid level meter, and an interlock is arranged between the liquid level meter and the second conveying pump.
7. The 1, 4-butanediol recycling device according to claim 5, wherein the recycling tank is fixedly provided with a liquid level meter, and an interlock is arranged between the liquid level meter and the second conveying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935608.4U CN220405587U (en) | 2023-07-21 | 2023-07-21 | 1, 4-butanediol recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935608.4U CN220405587U (en) | 2023-07-21 | 2023-07-21 | 1, 4-butanediol recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220405587U true CN220405587U (en) | 2024-01-30 |
Family
ID=89655939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321935608.4U Active CN220405587U (en) | 2023-07-21 | 2023-07-21 | 1, 4-butanediol recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220405587U (en) |
-
2023
- 2023-07-21 CN CN202321935608.4U patent/CN220405587U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109081767B (en) | Synthetic rectification process method and equipment for methane chloride | |
| CN107445802A (en) | A kind of method that ethylene glycol and acetaldehyde are reclaimed in polyester waste water | |
| CN220405587U (en) | 1, 4-butanediol recovery device | |
| CN110790729B (en) | Method for reducing PO/MTBE co-production epoxidation molybdenum-containing catalyst filling amount | |
| CN217163255U (en) | A rectification equipment that is arranged in N-methylaniline production methyl alcohol to retrieve | |
| CN111732083A (en) | Fluidized bed hydrogen peroxide process | |
| CN216777948U (en) | Intermittent purification device for propylene glycol methyl ether | |
| CN210786817U (en) | Device for recovering effective components of rectification residues and comprehensively treating waste gas in polyvinyl alcohol production process | |
| CN210085008U (en) | Starch process water circulation processing system | |
| CN113058388A (en) | Bubble tower device for treating methanol waste gas and using method | |
| CN113667700A (en) | Method and system for producing ethanol by fermenting mixed raw materials | |
| CN112430195A (en) | Device and process for producing DMAC (dimethylacetamide) under catalyst-free and low-pressure conditions | |
| CN109516902B (en) | DMMn production equipment and method | |
| CN214936170U (en) | Isobutyl ether production wastewater recycling and isobutanol recovery treatment device | |
| CN219922076U (en) | Circulation distillation plant | |
| CN216997712U (en) | Industrial wastewater recycling and comprehensive utilization system | |
| CN213506653U (en) | Separation and recovery system for byproduct crude cyclohexane of cyclohexanol process | |
| CN205035294U (en) | Cyclohexanone an wosuan amino peptidases chemical industry skill mesocycle tert -butyl alcohol takes off miscellaneous device | |
| CN218280597U (en) | Rectifying system in polycrystalline silicon production | |
| CN2835227Y (en) | Low-pressure treatment device for waste liquid from synthetic ammonia and urea | |
| CN218422766U (en) | Benzene hydrogenation circulating benzene washing and purifying system | |
| CN220098618U (en) | Device for recycling ammonia in heterogeneous ammoximation process wastewater | |
| CN217297741U (en) | High-efficient calcium device that removes of acetylene supernatant | |
| CN217988397U (en) | Tail gas treatment device of butyl acrylate refining system | |
| CN209602418U (en) | Sewage treatment utilizes device in a kind of methylal synthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |