CN114367129A - Automatic ester-water separator for n-butyl acetate production - Google Patents
Automatic ester-water separator for n-butyl acetate production Download PDFInfo
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- CN114367129A CN114367129A CN202111546213.0A CN202111546213A CN114367129A CN 114367129 A CN114367129 A CN 114367129A CN 202111546213 A CN202111546213 A CN 202111546213A CN 114367129 A CN114367129 A CN 114367129A
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- ester
- water separator
- pipe
- water
- butyl acetate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0211—Separation of non-miscible liquids by sedimentation with baffles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses an automatic ester-water separator for n-butyl acetate production, which comprises a bottom plate, wherein supporting plates are fixed on two sides of the top end of the bottom plate, two groups of supporting plates are arranged on the supporting plates, an ester-water separator main body is fixed on the top end of each supporting plate, a cooling jacket is fixed on the outer peripheral surface of each ester-water separator main body, a plurality of groups of main branch flow pipes are arranged on the top end of each ester-water separator main body, the main branch flow pipes are distributed at equal intervals along the horizontal direction of the cooling jacket, ester-phase pipe straight pipes are arranged on the top ends of the main branch flow pipes, first bent pipes are arranged at two ends of each ester-phase pipe straight pipe, and the bottom ends of the first bent pipes extend into the ester-water separator main body. The invention not only reduces the flow influence of the mixed liquid, but also maintains the separator at a lower temperature, reduces the influence of the temperature on the ester and the water, improves the ester-water separation quality of the separator, and also enables the separator to carry out the ester-water separation in a full-load state, thereby improving the separation efficiency of the separator.
Description
Technical Field
The invention relates to the technical field of n-butyl acetate production and preparation, in particular to an automatic ester-water separator for n-butyl acetate production.
Background
The n-butyl acetate is colorless and viscous liquid with strong banana fragrance, is a defined and allowed edible spice and is widely applied to industrial processes of medicine, petrochemical industry and the like, and is a good industrial organic solvent, at present, catalysts for ester synthesis reaction mainly comprise cation exchange resin, solid super acid, heteropoly acid, organic acid and the like, concentrated sulfuric acid is usually used as a catalyst, and acetic acid and n-butyl alcohol are directly esterified to synthesize the n-butyl acetate;
in the process of producing butyl acetate by esterification method, the distilled water contains organic substances of n-butyl alcohol, etc., but the azeotropic mixture containing water is condensed and separated into layers, because of its low solubility in water and low specific gravity, the layers float on the water layer, the upper layer is mainly n-butyl alcohol and butyl acetate, and the lower layer is mainly water. Therefore, under the condition of controlling the reaction temperature, the part of water needs to be taken out, and the ester and water separator is used for standing to realize the function of separating the ester from the water.
This kind of ester water separator on the market is various today, can satisfy people's user demand basically, but still have certain weak point, current this kind of ester water separator is in the use, it separates to utilize the baffle to wait to separate the mixed liquid more, divide into two sets of with the mixed liquid, separate and stew, the liquid that stews in the baffle the place ahead can increase along with the activity duration of separator, just also mean that this part liquid that stews can spill over the baffle at a certain time quantum, consequently need the opening and shutting of the control separator ester water that the staff is interrupted, the operation is fairly inconvenient, the mixed liquid of batch processing n-butyl acetate and water also is difficult to simultaneously, separation efficiency is relatively low.
Disclosure of Invention
The invention aims to provide an automatic ester-water separator for producing n-butyl acetate, which aims to solve the problems of relatively inconvenient operation and low separation efficiency of the ester-water separator in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic ester water separator is used in n-butyl acetate production, includes the bottom plate, the both sides on bottom plate top all are fixed with the layer board, just the layer board is provided with two sets ofly, the top of layer board is fixed with ester water separator main part, the outer peripheral face of ester water separator main part is fixed with the cooling jacket, multiunit main shunt tubes are installed to the top of ester water separator main part, main shunt tubes distribute along the equidistance of the horizontal direction of cooling jacket, ester looks pipe straight tube is installed on the top of main shunt tubes, first return bend is all installed at the both ends of ester looks pipe straight tube, the bottom of first return bend extends to the inside of ester water separator main part, straight-flow tube is installed to the central point department on ester looks pipe straight tube top, equidistant vice shunt tubes is installed to the bottom of ester water separator main part, third ooff valve is installed to one side on vice shunt tubes surface, the water phase straight tube is installed to the bottom of vice shunt tubes, the top and the bottom of the main body of the ester-water separator are fixed with clapboards at equal intervals.
Preferably, the outer wall of one side of the supporting plate is fixedly provided with a reinforcing rib, and the reinforcing rib is made of a stainless steel plate through stamping.
Preferably, the outer wall of one side of the ester-water separator main body is provided with a feeding pipe, and the outer wall of the other side of the ester-water separator main body is provided with a discharging main pipe.
Preferably, the graphene radiating fins are wound on the outer peripheral surface of the ester-water separator body.
Preferably, a cooling liquid inlet pipe is installed on one side of the top end of the cooling jacket, and a cooling liquid outlet pipe is installed on one side of the bottom end of the cooling jacket.
Preferably, a first switch valve is mounted on the surface of the main branch flow pipe, and a second switch valve is mounted on the surface of the first elbow pipe.
Preferably, the feed liquor pipe is installed to one side of aqueous phase straight tube bottom, the delivery pump is installed on the bottom plate top of feed liquor pipe below, the water inlet of delivery pump and the bottom interconnect of feed liquor pipe, the water tank is installed to one side on bottom plate top, the drain pipe is installed to the delivery pump's water outlet end, and the one end of drain pipe extends to the inside of water tank.
Preferably, four groups of auxiliary shunt tubes are arranged, and the four groups of auxiliary shunt tubes are in a symmetrical structure relative to the central line of the cooling jacket.
Preferably, the partition plate is provided with five groups, and the top end of the partition plate is provided with a groove.
Preferably, all be fixed with on the both sides outer wall of baffle and keep off the ring, the top that keeps off the ring is provided with the breach, keep off the ring and be provided with two sets ofly, two sets of fender rings are symmetrical structure about the central line of baffle.
Compared with the prior art, the invention has the beneficial effects that: the automatic ester-water separator for producing n-butyl acetate not only reduces the flow influence of the mixed liquid, but also maintains the separator at a lower temperature, reduces the influence of the temperature on ester and water, improves the ester-water separation quality of the separator, and enables the separator to carry out the ester-water separation under the full-load state, thereby improving the separation efficiency of the separator;
(1) the mixed liquid is separated by the partition plates which are distributed at equal intervals up and down, the flow rate of the mixed liquid is reduced, and the mixed liquid is divided, so that the mixed liquid is convenient to circulate by the grooves and the notches, the mixed liquid is divided into a plurality of groups to be kept stand, and the ester-water separation quality of the separator is improved;
(2) the straight-flow pipe is connected to an external pump body through a structure with mutually matched liquid inlet pipes, liquid outlet pipes and the like, so that n-butyl alcohol and butyl acetate on the upper layer in the ester-water separator main body are sucked into the ester-phase pipe straight pipe through a plurality of groups of main shunt pipes and are sent into the collecting tank through the external pump body, water on the lower layer in the ester-water separator main body is sucked into a plurality of groups of auxiliary shunt pipes by utilizing the delivery pump until the water phase enters the water tank through the liquid inlet pipes and the liquid outlet pipes, namely, the separation of the water phase from the n-butyl alcohol and the butyl acetate is finished, and the separation efficiency of the separator is improved through a plurality of groups of separation and standing in the process;
(3) through being provided with coolant liquid exit tube and graphite alkene fin etc. structure of mutually supporting, advance union coupling to coolant liquid supply end with the coolant liquid, with coolant liquid exit tube connection to coolant liquid circulation end for the coolant liquid reduces the temperature of ester water separator main part fast, and graphite alkene fin plays supplementary radiating effect, makes the separator maintain under lower temperature, reduces the influence of temperature to ester, water.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic perspective structural view of the partition board of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 5 according to the present invention;
in the figure: 1. a base plate; 2. a support plate; 3. reinforcing ribs; 4. an ester-water separator body; 5. a feed pipe; 6. a cooling jacket; 601. a cooling liquid inlet pipe; 602. a coolant outlet pipe; 7. ester phase pipe straight pipe; 8. a main shunt pipe; 9. a first on-off valve; 10. a first bend pipe; 11. a second on-off valve; 12. a discharge main pipe; 13. a water phase straight pipe; 14. an auxiliary shunt tube; 15. a third on-off valve; 16. a delivery pump; 1601. a liquid outlet pipe; 17. a liquid inlet pipe; 18. a water tank; 19. a partition plate; 1901. a groove; 1902. a baffle ring; 1903. a notch; 20. a graphene heat sink; 21. a straight pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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 fig. 1-6, an embodiment of the present invention is shown: an automatic ester-water separator for n-butyl acetate production comprises a bottom plate 1, wherein supporting plates 2 are fixed on two sides of the top end of the bottom plate 1, two groups of supporting plates 2 are arranged, reinforcing ribs 3 are fixed on the outer wall of one side of each supporting plate 2, the reinforcing ribs 3 are made by stamping stainless steel plates, an ester-water separator main body 4 is fixed on the top end of each supporting plate 2, partition plates 19 are fixed on the top and the bottom of the ester-water separator main body 4 at equal intervals, five groups of partition plates 19 are arranged, and grooves 1901 are formed in the top ends of the partition plates 19;
the mixed liquid is blocked by the partition plates 19 which are distributed at equal intervals up and down, and the flow rate of the mixed liquid is reduced, and meanwhile, the mixed liquid is divided into a plurality of groups to be stood, so that the ester-water separation quality of the separator is improved;
the outer wall of one side of the ester-water separator main body 4 is provided with a feeding pipe 5, the feeding pipe 5 is connected to a mixed liquid supply end, so that the mixed liquid enters the ester-water separator main body 4, the outer wall of the other side of the ester-water separator main body 4 is provided with a discharging main pipe 12, the ester-water separator main body 4 is convenient to clean in the later period through the arrangement of the discharging main pipe 12, the top end of the ester-water separator main body 4 is provided with a plurality of groups of main branch flow pipes 8, the surface of each main branch flow pipe 8 is provided with a first switch valve 9, and the number of the opening groups of the first switch valves 9 is selected as required;
the main branch pipes 8 are distributed at equal intervals along the horizontal direction of the cooling jacket 6, ester phase pipe straight pipes 7 are mounted at the top ends of the main branch pipes 8, first bent pipes 10 are mounted at two ends of the ester phase pipe straight pipes 7, the bottom ends of the first bent pipes 10 extend into the ester water separator main body 4, second switch valves 11 are mounted on the surfaces of the first bent pipes 10, and straight-flow pipes 21 are mounted at the center positions of the top ends of the ester phase pipe straight pipes 7;
connecting the direct-current pipe 21 to an external pump body, so that the n-butyl alcohol and butyl acetate on the upper layer in the ester-water separator main body 4 are sucked into the ester phase pipe straight pipe 7 through the multiple groups of main branch flow pipes 8 and are sent into a collecting tank through the external pump body;
the bottom end of the ester-water separator main body 4 is provided with auxiliary shunt tubes 14 at equal intervals, four groups of auxiliary shunt tubes 14 are arranged, and the four groups of auxiliary shunt tubes 14 are in a symmetrical structure relative to the central line of the cooling jacket 6;
The lower layer of water in the ester-water separator main body 4 is sucked into the plurality of groups of auxiliary flow dividing pipes 14 by the conveying pump 16, and the water phase enters the water tank 18 through the liquid inlet pipe 17 and the liquid outlet pipe 1601, so that the separation of the water phase from the n-butyl alcohol and the butyl acetate is completed;
the outer peripheral face of ester water separator main part 4 is fixed with cooling jacket 6, the outer peripheral face of ester water separator main part 4 twines has graphite alkene fin 20, graphite alkene fin 20 plays supplementary radiating effect, coolant liquid advances pipe 601 is installed to one side at cooling jacket 6 top, advance pipe 601 with the coolant liquid and be connected to the coolant liquid supply end, coolant liquid exit tube 602 is installed to one side of cooling jacket 6 bottom, it is connected to coolant liquid circulation end to go out coolant liquid exit tube 602, make the coolant liquid reduce the temperature of ester water separator main part 4 fast, make the separator maintain under lower temperature, avoid mixed liquid temperature too high, the incomplete phenomenon of ester, moisture phase.
When the device is used, firstly, a worker connects the feeding pipe 5 to the mixed liquid supply end to enable the mixed liquid to enter the ester-water separator main body 4, the mixed liquid is separated through the partition plates 19 which are distributed at equal intervals up and down, the mixed liquid is divided while the flow rate of the mixed liquid is reduced, the grooves 1901 and the gaps 1903 facilitate the circulation of the mixed liquid, the mixed liquid is divided into a plurality of groups to be stood, the ester-water separation quality of the separator is improved, after the ester-water is stood for a period of time, the straight-flow pipe 21 is connected to an external pump body, n-butyl alcohol and butyl acetate on the upper layer in the ester-water separator main body 4 are sucked into the ester-phase pipe straight pipe 7 through the plurality of groups of main branch pipes 8 and are sent into the collecting tank through the external pump body, meanwhile, the conveying pump 16 is started, the third switch valve 15 is selectively opened according to the separation condition, the conveying pump 16 is used for sucking the water on the lower layer in the ester-water separator main body 4 into the plurality of groups of auxiliary branch pipes 14, the water phase straight pipe 13 gathers the part of water flow until the water phase enters the water tank 18 through the liquid inlet pipe 17 and the liquid outlet pipe 1601, namely the separation of the water phase from the n-butyl alcohol and the butyl acetate is completed, and ester-water separation can be still carried out when the ester-water separator main body 4 is filled with mixed liquid through a plurality of groups of separation and standing in the process, so that the separation efficiency of the separator is improved;
the staff can be connected to coolant liquid inlet pipe 601 and coolant liquid outlet pipe 602 to the coolant liquid supply end, makes the coolant liquid reduce the temperature of ester water separator main part 4 fast, and graphite alkene fin 20 plays supplementary radiating effect for the separator is maintained under lower temperature, avoids mixed liquid temperature too high, and ester, moisture are incomplete phenomenon mutually.
Claims (10)
1. The utility model provides an automatic ester water separator is used in n-butyl acetate production which characterized in that: including bottom plate (1), the both sides on bottom plate (1) top all are fixed with layer board (2), just layer board (2) are provided with two sets ofly, the top of layer board (2) is fixed with ester water separator main part (4), the outer peripheral face of ester water separator main part (4) is fixed with cooling jacket (6), multiunit main shunt tubes (8) are installed on the top of ester water separator main part (4), main shunt tubes (8) are along the equidistant distribution of the horizontal direction of cooling jacket (6), ester looks pipe straight tube (7) are installed on the top of main shunt tubes (8), first return bend (10) are all installed at the both ends of ester looks pipe straight tube (7), the bottom of first return bend (10) extends to the inside of ester water separator main part (4), straight-flow tube (21) are installed to the central point department on ester looks pipe straight tube (7) top, equidistant vice shunt tubes (14) are installed to the bottom of ester water separator main part (4), a third switch valve (15) is installed on one side of the surface of the auxiliary shunt pipe (14), a water phase straight pipe (13) is installed at the bottom end of the auxiliary shunt pipe (14), and partition plates (19) are fixed on the top and the bottom of the ester-water separator main body (4) at equal intervals.
2. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: and reinforcing ribs (3) are fixed on the outer wall of one side of the supporting plate (2), and the reinforcing ribs (3) are made of stainless steel plates through stamping.
3. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: the outer wall of one side of the ester-water separator main body (4) is provided with a feeding pipe (5), and the outer wall of the other side of the ester-water separator main body (4) is provided with a discharging main pipe (12).
4. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: the peripheral surface of the ester water separator main body (4) is wound with graphene radiating fins (20).
5. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: and a cooling liquid inlet pipe (601) is installed at one side of the top end of the cooling jacket (6), and a cooling liquid outlet pipe (602) is installed at one side of the bottom end of the cooling jacket (6).
6. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: the surface of the main shunt pipe (8) is provided with a first switch valve (9), and the surface of the first elbow pipe (10) is provided with a second switch valve (11).
7. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: feed liquor pipe (17) is installed to one side of water phase straight tube (13) bottom, delivery pump (16) are installed on bottom plate (1) top of feed liquor pipe (17) below, the water inlet of delivery pump (16) and the bottom interconnect of feed liquor pipe (17), water tank (18) are installed to one side on bottom plate (1) top, drain pipe (1601) are installed to the delivery port end of delivery pump (16), and the one end of drain pipe (1601) extends to the inside of water tank (18).
8. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: four groups of auxiliary shunt tubes (14) are arranged, and the four groups of auxiliary shunt tubes (14) are in a symmetrical structure relative to the central line of the cooling jacket (6).
9. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: five groups of the partition plates (19) are arranged, and grooves (1901) are formed in the top ends of the partition plates (19).
10. The automatic ester-water separator for n-butyl acetate production according to claim 1, wherein: all be fixed with on the both sides outer wall of baffle (19) and keep off ring (1902), the top of keeping off ring (1902) is provided with breach (1903), keep off ring (1902) and be provided with two sets ofly, and two sets ofly keep off ring (1902) and be symmetrical structure about the central line of baffle (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111546213.0A CN114367129A (en) | 2021-12-16 | 2021-12-16 | Automatic ester-water separator for n-butyl acetate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111546213.0A CN114367129A (en) | 2021-12-16 | 2021-12-16 | Automatic ester-water separator for n-butyl acetate production |
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| Publication Number | Publication Date |
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| CN114367129A true CN114367129A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111546213.0A Pending CN114367129A (en) | 2021-12-16 | 2021-12-16 | Automatic ester-water separator for n-butyl acetate production |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0915728A1 (en) * | 1996-08-05 | 1999-05-19 | Basf Aktiengesellschaft | Device for phase separation |
| CN102784494A (en) * | 2012-06-30 | 2012-11-21 | 惠州市长润发涂料有限公司 | Water separator |
| CN205391816U (en) * | 2016-02-24 | 2016-07-27 | 天津市晟鑫化工有限公司 | Quick dewatering device of crude benzol |
| CN207786109U (en) * | 2017-12-18 | 2018-08-31 | 九江普荣高新材料有限公司 | Alkyl-anthraquinone synthesizes recycling design coalescence de-watering apparatus |
| CN109301115A (en) * | 2018-10-08 | 2019-02-01 | 马鞍山沐及信息科技有限公司 | A kind of new energy car battery water cooling casing |
| CN211935666U (en) * | 2019-12-26 | 2020-11-17 | 福建南平青松化工有限公司 | Camphor purification device |
| WO2021008165A1 (en) * | 2019-07-16 | 2021-01-21 | 兖矿鲁南化工有限公司 | Ethyl acetate and water layering device and application thereof |
| CN214990694U (en) * | 2021-06-18 | 2021-12-03 | 上海政宝环保科技有限公司 | Industrial waste water oil-water separation equipment |
-
2021
- 2021-12-16 CN CN202111546213.0A patent/CN114367129A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0915728A1 (en) * | 1996-08-05 | 1999-05-19 | Basf Aktiengesellschaft | Device for phase separation |
| CN102784494A (en) * | 2012-06-30 | 2012-11-21 | 惠州市长润发涂料有限公司 | Water separator |
| CN205391816U (en) * | 2016-02-24 | 2016-07-27 | 天津市晟鑫化工有限公司 | Quick dewatering device of crude benzol |
| CN207786109U (en) * | 2017-12-18 | 2018-08-31 | 九江普荣高新材料有限公司 | Alkyl-anthraquinone synthesizes recycling design coalescence de-watering apparatus |
| CN109301115A (en) * | 2018-10-08 | 2019-02-01 | 马鞍山沐及信息科技有限公司 | A kind of new energy car battery water cooling casing |
| WO2021008165A1 (en) * | 2019-07-16 | 2021-01-21 | 兖矿鲁南化工有限公司 | Ethyl acetate and water layering device and application thereof |
| CN211935666U (en) * | 2019-12-26 | 2020-11-17 | 福建南平青松化工有限公司 | Camphor purification device |
| CN214990694U (en) * | 2021-06-18 | 2021-12-03 | 上海政宝环保科技有限公司 | Industrial waste water oil-water separation equipment |
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