CN207845524U - A kind of continuous after-treatment device of isooctyl ester nitrate - Google Patents
A kind of continuous after-treatment device of isooctyl ester nitrate Download PDFInfo
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- CN207845524U CN207845524U CN201820006746.7U CN201820006746U CN207845524U CN 207845524 U CN207845524 U CN 207845524U CN 201820006746 U CN201820006746 U CN 201820006746U CN 207845524 U CN207845524 U CN 207845524U
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- alkali cleaning
- washing
- isooctyl ester
- ester nitrate
- phase separation
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Abstract
The utility model is related to a kind of continuous after-treatment devices of isooctyl ester nitrate, the device carries out continuous processing using alkali cleaning connected in sequence and washing equipment to isooctyl ester nitrate, the washing equipment rear end is provided with de-watering apparatus and carries out refined acquisition final products to isooctyl ester nitrate, wherein being all made of membrane separation device in used alkali cleaning and washing equipment；It is successfully realized the serialization of isooctyl ester nitrate separating-purifying process using the continuous after-treatment device of the isooctyl ester nitrate of this structure, reduces alkali lye consumption amount, greatly reduces waste liquid generation；Solve the problems, such as alkali cleaning, water-washing process oil-water emulsion, increase mass transfer area, improve mass transfer rate, realize the mass transfer between not jljl phase, its mass transfer function is enhanced, the energy expenditure in mass transport process is significantly reduced, reduces entrainment phenomenon, be not in emulsification and larger pressure drop problem, have many advantages, such as to reduce investment outlay, reduces floor space, saving operating cost and effectively reduction waste liquid generation.
Description
Technical field
The utility model belong to fine chemical product separating-purifying engineering device technique field more particularly to a kind of nitric acid it is different pungent
The continuous after-treatment device of ester.
Background technology
Isooctyl ester nitrate is a kind of diesel cetane-number improver, is added in diesel oil, can improve diesel cetane-number,
And other oil properties are influenced with a kind of smaller oil dope.The isooctyl ester nitrate for selecting function admirable, for improving bavin
Oil quality, drop low exhaust gas emission reduce oil consumption, and the yield of raising high standard diesel oil is of great significance.
In existing isooctyl ester nitrate production technology, production method generally uses mixed acid process, i.e., in room temperature or less than normal
Under conditions of temperature, isooctanol is added in the nitration mixture being made of nitric acid and sulfuric acid, isooctyl nitrate crude product is extracted or isolate,
Alkali cleaning is washed to neutrality, dry product.And lye or water and isooctyl nitrate crude is usually used in existing alkali cleaning, washing
Product directly mix, then sedimentation separation, dry to remove water to reach product requirement.But since isooctyl ester nitrate proportion and water compare heavy phase
Difference is smaller, and this processing mode general sedimentation time is long, and separation has intermittent feature, and oil mixing with water will produce emulsification
Layer, at the same lye or water also can entrainment portions product, thus generate some emulsion layer waste products that can not be handled, will also result in simultaneously
The loss of product.
Invention content
The utility model is directed to many shortcomings of the existing technology, provides a kind of isooctyl ester nitrate and continuously locates afterwards
Device is managed, which carries out continuous processing using alkali cleaning connected in sequence and washing equipment to isooctyl ester nitrate, and the washing is set
Standby rear end is provided with de-watering apparatus and carries out refined acquisition final products to isooctyl ester nitrate, wherein used alkali cleaning and washing are set
It is all made of membrane separation device in standby；It is different that nitric acid is successfully realized using the continuous after-treatment device of the isooctyl ester nitrate of this structure
The serialization of monooctyl ester separating-purifying process, reduces alkali lye consumption amount, greatly reduces waste liquid generation；Solve alkali cleaning, washing
The oil-water emulsion problem of process increases mass transfer area, improves mass transfer rate, realizes the mass transfer between not jljl phase, enhance
Its mass transfer function significantly reduces the energy expenditure in mass transport process, reduces entrainment phenomenon, be not in emulsification and it is larger
Pressure drop problem has many advantages, such as to reduce investment outlay, reduce floor space, save operating cost and effectively reduce waste liquid generation.
The specific technical solution of the utility model is as follows：
A kind of continuous after-treatment device of isooctyl ester nitrate, including liquid caustic soda tank connected in sequence, alkaline cleaner, water washing device and
De-watering apparatus, wherein the alkaline cleaner includes alkali cleaning phase separation pot and the alkali cleaning film being connected at the top of alkali cleaning phase separation pot point
From device, the water washing device includes the washing UF membrane dress washed phase separation pot and be connected at the top of washing phase separation pot
It sets, the liquid caustic soda tank is gone back by being connect at the top of lye delivery pump and alkali cleaning membrane separation device at the top of alkali cleaning membrane separation device
There is isooctyl ester nitrate delivery pump by piping connection；Alkali cleaning phase separation pot top by pipeline and alkali cleaning product delivery pump with
Washing film separation unit overhead connects, and washing film separation unit overhead also has washings delivery pump by piping connection；It is described
Washing phase separation pot top is connect by pipeline with de-watering apparatus, and the de-watering apparatus includes the water removal filtering dress of two-stage parallel connection
It sets, and except water filtering device top is provided with refined isooctyl ester nitrate outlet；
It is using the continuous after-treatment device of this structure that the isooctyl nitrate crude ester prepared is different through nitric acid by thick ester tank
Monooctyl ester delivery pump delivers into the top of the alkali cleaning membrane separation device at the top of alkali cleaning phase separation pot, and top is conveyed with through lye herein
The lye contact that pump conveying comes, lye have recycled before going into operation, and soak the tunica fibrosa of alkali cleaning membrane separation plant first, and along fiber
Silk flows downward, and isooctyl ester nitrate is along fibre bundle and the equidirectional PARALLEL FLOW of lye so that between isooctyl ester nitrate and lye
The film that a laminar flow is formed on fibre bundle improves mass transfer rate to increase mass transfer area, and acid arrives alkali by extracting
In, the lye containing salt disengages fiber, in the bottom sedimentation separation of alkali cleaning phase separation pot；
Isooctyl ester nitrate at the top of lye phase separation pot out enters the washing film point at the top of washing phase separation pot
Top from device, herein top with washed water delivery pump conveying water contact, water has recycled before going into operation, water-washing process
Identical as alkaline cleaning procedure, isooctyl ester nitrate and the water sedimentation separation in washing phase separation pot after washing, isooctyl ester nitrate is from tank
It is ejected, is removed water into isooctyl ester nitrate dehydrater,
Isooctyl ester nitrate flows into level-one pallet from dehydrater oil inlet, is then tapped off in first-level filtering core inner, by filtering,
The process that demulsification, hydrone are grown up, coalesced, impurity are trapped in first-level filtering in-core, and the droplet of coalescence is fallen in precipitation tank, nitric acid
Different monooctyl ester enters two level filter core from outside to inside, comes together in two level pallet, and isooctyl ester nitrate outlet outflow is refined from dehydrater.Two
There is the material of grade filter core hydrophobicity, isooctyl ester nitrate can pass through, and free water is then blocked in except filter core, flow into water removal
In the precipitation tank of filter bottom, by crossing the discharge of drainage water outlet；The qualified isooctyl ester nitrate of water removal is through filter core as described above
After pallet collects, isooctyl ester nitrate outlet outflow dehydrater is refined from dehydrater, is pumped up to finished product pans, detection and analysis are closed
After lattice, finished pot is sent；Used dehydrater uses commercial products, concrete structure inventor to repeat no more；
Wherein the alkali cleaning membrane separation device bottom is inserted into alkali cleaning phase separation pot；The washing membrane separation device bottom
It is inserted into washing phase separation pot；
Alkali cleaning phase separation pot bottom is connect by pipeline and delivery pump with liquid caustic soda tank；The washing phase separation pot bottom
Water outlet is connect by pipeline with washings delivery pump, and fresh water transfer pipeline is also associated on washings delivery pump；Pass through
Above-mentioned setting makes whole device completely link together as an entirety, while following for lye and washings may be implemented
Ring utilizes, and reduces equipment pressure when cost and the later stage sewage disposal of processing；
It is described except water filtering device bottom was provided with drainage water outlet；The liquid caustic soda pot bottom is provided with spent lye and goes out
Mouthful；The above-mentioned water outlet for crossing drainage water outlet, spent lye outlet and washing phase separation pot bottom by pipeline and sewage at
Manage device connection；Facilitate follow-up sewage disposal.
In order to reach better effect, the alkaline cleaner and water washing device may be provided with multistage, and can both connect makes
With improve treatment effeciency, can also realization continuous processing used in parallel, facilitate being used alternatingly and overhauling for equipment.
In conclusion the continuous after-treatment device success of isooctyl ester nitrate using this structure provided by the utility model is real
The serialization for having showed isooctyl ester nitrate separating-purifying process reduces alkali lye consumption amount, greatly reduces waste liquid generation；It solves
Alkali cleaning, water-washing process oil-water emulsion problem, increase mass transfer area, improve mass transfer rate, realize the biography between not jljl phase
Matter enhances its mass transfer function, significantly reduces the energy expenditure in mass transport process, reduces entrainment phenomenon, is not in
Emulsification and larger pressure drop problem are generated with reducing investment outlay, reducing floor space, save operating cost and effectively reduce waste liquid
The advantages that.
Description of the drawings
Fig. 1 is the structural schematic diagram of the continuous after-treatment device of the utility model isooctyl ester nitrate；
1 is liquid caustic soda tank in figure, and 2 be alkali cleaning membrane separation device, and 3 be alkali cleaning phase separation pot, and 4 be washing membrane separation device, and 5 are
Phase separation pot is washed, 6 is, except water filtering device, 7 are isooctyl ester nitrate delivery pump, and 8 be lye delivery pump, and 9 is defeated for alkali cleaning product
Pump is sent, 10 be washings delivery pump.
Specific embodiment
The utility model is described in further detail with reference to specific embodiment.
A kind of continuous after-treatment device of isooctyl ester nitrate, including liquid caustic soda tank 1 connected in sequence, alkaline cleaner, water washing device
And de-watering apparatus, wherein the alkaline cleaner includes alkali cleaning phase separation pot 3 and the alkali cleaning for being connected to 3 top of alkali cleaning phase separation pot
Membrane separation device 2, the water washing device include the washing film washed phase separation pot 5 and be connected to 5 top of washing phase separation pot
Separator 4, the liquid caustic soda tank 1 is connect by lye delivery pump 8 with 2 top of alkali cleaning membrane separation device, and alkali cleaning UF membrane
Also there is isooctyl ester nitrate delivery pump 7 at 2 top of device by piping connection；3 top of alkali cleaning phase separation pot passes through pipeline and alkali
It washes product delivery pump 9 to connect with 4 top of washing membrane separation device, and wash 4 top of membrane separation device also to have by piping connection
Washings delivery pump 10；5 top of washing phase separation pot is connect by pipeline with de-watering apparatus, and the de-watering apparatus includes two
Grade is in parallel to be exported except water filtering device 6, and except water filtering device top is provided with refined isooctyl ester nitrate；
2 bottom of alkali cleaning membrane separation device is inserted into alkali cleaning phase separation pot 3；4 bottom of washing membrane separation device
It is inserted into washing phase separation pot 5；
3 bottom of alkali cleaning phase separation pot is connect by pipeline and delivery pump with liquid caustic soda tank 1；The washing phase separation pot 5
Bottom is connect by pipeline with washings delivery pump 10, and fresh water transfer pipeline is also associated on washings delivery pump 10；
It is described except 6 bottom of water filtering device was provided with drainage water outlet；1 bottom of liquid caustic soda tank is provided with spent lye and goes out
Mouthful；And the water outlet for crossing drainage water outlet, spent lye outlet and washing phase separation pot bottom by pipeline and sewage at
Manage device connection.
Claims (5)
1. a kind of continuous after-treatment device of isooctyl ester nitrate, it is characterised in that：Including liquid caustic soda tank (1) connected in sequence, alkali cleaning dress
It sets, water washing device and de-watering apparatus, wherein the alkaline cleaner includes alkali cleaning phase separation pot (3) and is connected to alkali cleaning and is separated
Alkali cleaning membrane separation device (2) at the top of tank (3), the water washing device include washing phase separation pot (5) and are connected to washing phase
Washing membrane separation device (4) at the top of knockout drum (5), the liquid caustic soda tank (1) pass through lye delivery pump (8) and alkali cleaning UF membrane
Connection at the top of device (2), and also have isooctyl ester nitrate delivery pump (7) by piping connection at the top of alkali cleaning membrane separation device (2)；Institute
Alkali cleaning phase separation pot (3) top is stated to connect by pipeline and alkali cleaning product delivery pump (9) and washing membrane separation device (4) top,
And also there is washings delivery pump (10) by piping connection at the top of washing membrane separation device (4)；On the washing phase separation pot (5)
Portion is connect by pipeline with de-watering apparatus, the de-watering apparatus include two-stage parallel connection remove water filtering device (6), and remove water filtering
Device top is provided with refined isooctyl ester nitrate outlet.
2. the continuous after-treatment device of isooctyl ester nitrate according to claim 1, it is characterised in that：The alkali cleaning UF membrane
Device (2) bottom is inserted into alkali cleaning phase separation pot (3)；Washing phase separation pot (5) is inserted into washing membrane separation device (4) bottom
It is interior.
3. the continuous after-treatment device of isooctyl ester nitrate according to claim 1, it is characterised in that：The alkali cleaning phase separation pot
(3) bottom is connect by pipeline and delivery pump with liquid caustic soda tank (1)；Washing phase separation pot (5) bottom water outlet passes through pipeline
It is connect with washings delivery pump (10), and fresh water transfer pipeline is also associated on washings delivery pump (10).
4. the continuous after-treatment device of isooctyl ester nitrate according to claim 1, it is characterised in that：It is described to remove water filtering device
(6) bottom was provided with drainage water outlet.
5. the continuous after-treatment device of isooctyl ester nitrate according to claim 1, it is characterised in that：Liquid caustic soda tank (1) bottom
Portion is provided with spent lye outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006746.7U CN207845524U (en) | 2018-01-02 | 2018-01-02 | A kind of continuous after-treatment device of isooctyl ester nitrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006746.7U CN207845524U (en) | 2018-01-02 | 2018-01-02 | A kind of continuous after-treatment device of isooctyl ester nitrate |
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|---|---|
| CN207845524U true CN207845524U (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820006746.7U Active CN207845524U (en) | 2018-01-02 | 2018-01-02 | A kind of continuous after-treatment device of isooctyl ester nitrate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147968A (en) * | 2018-01-02 | 2018-06-12 | 山东益丰生化环保股份有限公司 | A kind of continuous aftertreatment technology of isooctyl ester nitrate and equipment |
| WO2021072622A1 (en) | 2019-10-15 | 2021-04-22 | 凯莱英医药集团（天津）股份有限公司 | Continuous post-treatment method and device for penem compound |
-
2018
- 2018-01-02 CN CN201820006746.7U patent/CN207845524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147968A (en) * | 2018-01-02 | 2018-06-12 | 山东益丰生化环保股份有限公司 | A kind of continuous aftertreatment technology of isooctyl ester nitrate and equipment |
| WO2021072622A1 (en) | 2019-10-15 | 2021-04-22 | 凯莱英医药集团（天津）股份有限公司 | Continuous post-treatment method and device for penem compound |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 256500 Shandong Yifeng biochemical environmental protection Co., Ltd., economic development zone, Boxing County, Binzhou City, Shandong Province Patentee after: Yifeng New Material Co.,Ltd. Address before: 256500 Shandong Yifeng biochemical environmental protection Co., Ltd., economic development zone, Boxing County, Binzhou City, Shandong Province Patentee before: SHANDONG EFIRM BIOCHEMISTRY AND ENVIRONMENTAL PROTECTION Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230512 Address after: 256500 Boxing Economic Development Zone, Shandong, Binzhou Patentee after: SHANDONG JINGBO ZHONGCHENG CLEAN ENERGY CO.,LTD. Address before: 256500 Shandong Yifeng biochemical environmental protection Co., Ltd., economic development zone, Boxing County, Binzhou City, Shandong Province Patentee before: Yifeng New Material Co.,Ltd. |
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| TR01 | Transfer of patent right |