CN108992958A - A kind of hypergravity rectifying is used for reaction process solvent recovering system - Google Patents
A kind of hypergravity rectifying is used for reaction process solvent recovering system Download PDFInfo
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- CN108992958A CN108992958A CN201810915451.6A CN201810915451A CN108992958A CN 108992958 A CN108992958 A CN 108992958A CN 201810915451 A CN201810915451 A CN 201810915451A CN 108992958 A CN108992958 A CN 108992958A
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- hypergravity
- fluidized bed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/30—Fractionating columns with movable parts or in which centrifugal movement is caused
Abstract
The invention discloses a kind of hypergravity rectifying to be used for reaction process solvent recovering system, including hypergravity rotary folding fluidized bed, condenser, surge tank, reflux pump, finished product storage tank, reaction kettle and reboiler, the top gas phase outlet of hypergravity rotary folding fluidized bed is connect with the entrance of condenser, the outlet of condenser and the entrance of surge tank connect, the outlet of surge tank and the entrance of reflux pump connect, the outlet of reflux pump is separately connected the overhead reflux liquid entrance of hypergravity rotary folding fluidized bed and the entrance of finished product storage tank, the bottom liquid outlet of hypergravity rotary folding fluidized bed and the liquid inlet of reboiler connect, the gas vent of reboiler is connect with the gas access of hypergravity rotary folding fluidized bed, the gas vent of reaction kettle is connect with the gas access of the hypergravity rotary folding fluidized bed.The present invention has the following advantages and effects: organic steam is purified by hypergravity distillation system, reaches reduction energy consumption, operating cost is saved, improves efficiency and reduce the purpose of occupied area.
Description
Technical field
The present invention relates to a kind of technical field of rectification, in particular to a kind of hypergravity rectifying is used for reaction process solvent recovery
System.
Background technique
With the continuous improvement of environmental requirement, reduces energy consumption, improves the mesh that product economy benefit is pursued as all trades and professions
Mark.Middle-size and small-size pesticide, medicine, fine chemistry industry production process in the organic solvent that is formed may be recovered recycling mostly,
To achieve the purpose that reduce cost, reduction discharge, avoid pollution.
However, at present the gas-liquid mass transfer (contact) equipments such as traditional plate column or packed tower by the means of rectifying come recycling design,
Weaker with gravitational field, thin film drainage in equipment is slow, mass tranfer coefficient is low, equipment volume is huge, space utilization rate is not high, raw
Produce the disadvantages of intensity is low, investment is big；It is not able to satisfy increasingly and improves production efficiency, energy-saving and emission-reduction and saving resource and space benefit
With the technique requirement of rate.
Summary of the invention
The object of the present invention is to provide a kind of hypergravity rectifying to be used for reaction process solvent recovering system, the hypergravity rectifying
For reaction process solvent recovering system solve existing rectifying column cannot be used for reaction process solvent recovery, take up a large area,
The problem of energy consumption height, installation maintenance difficulty.
It is anti-that above-mentioned technical purpose of the invention has the technical scheme that a kind of hypergravity rectifying is used for
Answer process solvent recovery system, including hypergravity rotary folding fluidized bed, condenser, surge tank, reflux pump, finished product storage tank, reaction kettle
And reboiler, the top gas phase outlet of the hypergravity rotary folding fluidized bed are connect with the entrance of the condenser, the condensation
The outlet of device is connect with the entrance of the surge tank, and the outlet of the surge tank is connect with the entrance of the reflux pump, and described time
The outlet of stream pump is connected separately with the first branch line and second branched pipe road, the free end of first branch line with it is described
The overhead reflux liquid entrance of hypergravity rotary folding fluidized bed connects, free end and the finished product storage tank on the second branched pipe road
Entrance connection, the bottom liquid outlet of the hypergravity rotary folding fluidized bed connect with the liquid inlet of the reboiler, it is described again
Boiling device gas vent connect with the gas access of the hypergravity rotary folding fluidized bed, the gas vent of the reaction kettle with it is described
The gas access of hypergravity rotary folding fluidized bed connects.
By using above-mentioned technical proposal, material liquid is added to reaction kettle and is reacted, react the organic steam of generation into
Enter into hypergravity rotary folding fluidized bed and carry out rectifying, gas-liquid two-phase hypergravity rotary folding fluidized bed internal rotor high speed rotation and produce
The gas liquid film for forming specific surface under raw centrifugal force effect greatly and constantly updating, carries out mass-and heat-transfer in the process
Realize rectifying separating-purifying, then gas enters condenser from the gas vent at the top of hypergravity rotary folding fluidized bed, and liquid exists
Reboiler is flowed into from bottom liquid outlet after collecting in the shell of hypergravity rotary folding fluidized bed.
Surge tank is flowed into after gas condensation in condenser, by reflux pump by a part of conduct of liquid inside surge tank
Phegma returns to hypergravity rotary folding fluidized bed, and a part is transported to finished product storage tank as product extraction and collects.In reboiler
Liquid steam is heated and generated in reboiler, steam flows into hypergravity rotary folding fluidized bed again and is recycled.This programme will be anti-
It should be combined with hypergravity distillation technology, make full use of hypergravity rotary folding fluidized bed mass-transfer efficiency high, equipment volume is small, will be chemical
The organic steam of reaction process production is directly entered hypergravity distillation system and carries out recycling purification, reaches reduction energy consumption, saves fortune
Row cost improves efficiency and reduces the purpose of occupied area.
Specifically, feed pipe, the collet of the reboiler and the collet of reaction kettle are connected on the entrance of the reaction kettle
On be respectively connected with steam-heating pipe road, circulating condensing water pipe is connected on the condenser.
By using above-mentioned technical proposal, the setting of feed pipe enables material liquid to enter directly into reaction by feed pipe
Inside kettle, do not need manually to be added manually；And by the setting on steam-heating pipe road for controlling reaction kettle and reboiler
Reaction temperature, guarantee the abundant reaction of material liquid, and the setting of circulating condensing water pipe can guarantee the cooling efficiency of condenser.
Specifically, it is connected between the condenser and the surge tank by third branch line, the third branched pipe
Road is equipped with visor, and first branch line and second branched pipe road are equipped with flowmeter.
By using above-mentioned technical proposal, the setting of visor can see in real time the medium transmitted in third branch line
It examines, staff is enable to understand the reactiveness of solvent at any time；And the setting of flowmeter can clearly know the first branch line
With the rate-of flow in second branched pipe.
Specifically, the condenser includes tubular heat exchanger or spiral heat exchanger.
By using above-mentioned technical proposal, tubular heat exchanger or spiral heat exchanger have preferable cooling effect,
It is able to satisfy this kind of use demand.
In conclusion the invention has the following advantages: hypergravity rectifying is used for reaction process solvent time by the present invention
Knock off skill, structure is simple, and rationally, the organic steam that reaction process generates is not necessarily to by carrying out again after condenser condensation collection for design
Rectifying, but the organic steam that hypergravity rotary folding fluidized bed directly generates reaction is subjected to recycling purification, by will chemistry it is anti-
It answers the combination of process and hypergravity distillation technology to obtain high concentration product, reduces energy consumption, save operating cost, while further mentioning
The high energy saving economy of hypergravity distillation technology, conformability, reasonability and flexibility.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment.
In figure: 1, hypergravity rotary folding fluidized bed；2, condenser；3, surge tank；4, reflux pump；6, flowmeter；7, finished product stores up
Tank；8, reaction kettle；9, reboiler；10, steam-heating pipe road；11, feed pipe；12, circulating condensing water pipe；13, visor；14,
One branch line；15, second branched pipe road；16, third branch line.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
With reference to Fig. 1, a kind of hypergravity rectifying is used for reaction process solvent recovering system, including hypergravity rotary folding fluidized bed 1,
Condenser 2, surge tank 3, reflux pump 4, finished product storage tank 7, reaction kettle 8 and reboiler 9；The top of hypergravity rotary folding fluidized bed 1
Gaseous phase outlet is fixedly connected by pipeline with the entrance of condenser 2, and the outlet of condenser 2 passes through third branch line 16 and buffering
The entrance of tank 3 is fixedly connected, and visor 13 is fixedly installed on third branch line 16, and the outlet of surge tank 3 by pipeline and is returned
The entrance of stream pump 4 is fixedly connected.The outlet of reflux pump 4 has been respectively fixedly connected with the first branch line 14 and by three-way connection
Two branch lines 15, the free end of the first branch line 14 is fixedly connected with the overhead reflux entrance of hypergravity rotary folding fluidized bed 1,
The free end on second branched pipe road 15 is fixedly connected with the entrance of finished product storage tank 7, the first branch line 14 and second branched pipe road
Flowmeter 6 is fixedly installed on 15.
The bottom liquid outlet of hypergravity rotary folding fluidized bed 1 is fixedly connected by pipeline with the liquid inlet of reboiler 9, then
The gas vent of boiling device 9 is fixedly connected by pipeline with the gas access of hypergravity rotary folding fluidized bed 1, and the gas of reaction kettle 8 goes out
Mouth is fixedly connected by pipeline with the gas access of hypergravity rotary folding fluidized bed 1.Charging is fixedly connected on the entrance of reaction kettle 8
Pipe 11 is fixedly connected to circulating condensing water pipe 12 on the water inlet and water outlet of condenser 2；The jacket inlet of reboiler 9 with
The same steam-heating pipe road 10, steam-heating pipe road 10 and steam boiler are fixedly connected in the jacket inlet of reaction kettle 8
Connection is for providing steam.Condenser 2 includes tubular heat exchanger or spiral heat exchanger, and hypergravity rotary folding fluidized bed 1 is adopted
Use frequency control.
Working principle:
Material liquid is entered in reaction kettle 8 by charging, is used for by the steam that steam-heating pipe road 10 enters in 8 collet of reaction kettle
Reaction temperature is controlled, the organic steam that reaction generation is carried out in reaction kettle 8, which enters, carries out essence in hypergravity rotary folding fluidized bed 1
Evaporate, gas-liquid two-phase specific surface area is formed under the effect of centrifugal force that high-gravity rotating bed internal rotor high speed rotation generates greatly and
The gas-liquid interface constantly updated again carries out mass-and heat-transfer in the process and realizes rectifying separating-purifying, and then gas is from hypergravity
The outlet of 1 top gas of rotary folding fluidized bed enters condenser 2, liquid collected in the shell of hypergravity rotary folding fluidized bed 1 after the bottom of from
Portion's liquid outlet flows into reboiler 9.
The gas come out from hypergravity rotary folding fluidized bed 1 enters condenser 2, flows into surge tank 3 after the condensation of condenser 2,
Liquid a part of 3 the inside of surge tank is returned into hypergravity rotary folding fluidized bed 1 as phegma by reflux pump 4, a part is made
Finished product storage tank 7 is transported to for product extraction to collect.
After the liquid collected out of hypergravity rotary folding fluidized bed 1 shell flows into reboiler 9 from bottom liquid outlet, by again
It boils the heating of device 9 and generates steam, steam flows into hypergravity rotary folding fluidized bed 1 again and recycled.
In conclusion hypergravity rectifying described in the embodiment of the present invention is used for reaction process solvent recovery process, by setting
Set hypergravity rotary folding fluidized bed 1, reboiler 9, condenser 2, reaction kettle 8 combines chemical reaction with hypergravity distillation technology,
Make full use of 1 mass-transfer efficiency of hypergravity rotary folding fluidized bed high, equipment volume is small, by the organic steam of reaction process production directly into
Enter hypergravity distillation system and carry out recycling purification, reach reduction energy consumption, saves operating cost, improve efficiency and reduce occupied area
Purpose.
The hypergravity rectifying of the embodiment of the present invention is used for reaction process solvent recovery process, and structure is simple, and design is reasonable, instead
The organic steam for answering process to generate is not necessarily to carry out rectifying again after collecting by the condensation of condenser 2, but hypergravity is rotated baffling
The organic steam that bed 1 directly generates reaction carries out recycling purification, by by chemical reaction process and hypergravity distillation technology
In conjunction with high concentration product is obtained, energy consumption is reduced, saves operating cost, while further improving the energy conservation of hypergravity distillation technology
Economy, conformability, reasonability and flexibility.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments, or some technical characteristics therein are equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (4)
1. a kind of hypergravity rectifying is used for reaction process solvent recovering system, including hypergravity rotary folding fluidized bed (1), condenser
(2), surge tank (3), reflux pump (4), finished product storage tank (7), reaction kettle (8) and reboiler (9), it is characterised in that: described super
The top gas phase outlet of gravity rotary folding fluidized bed (1) is connect with the entrance of the condenser (2), the outlet of the condenser (2)
It being connect with the entrance of the surge tank (3), the outlet of the surge tank (3) is connect with the entrance of the reflux pump (4), and described time
The outlet of stream pump (4) is connected separately with the first branch line (14) and second branched pipe road (15), first branch line
(14) free end is connect with the overhead reflux liquid entrance of the hypergravity rotary folding fluidized bed (1), the second branched pipe road
(15) free end is connect with the entrance of the finished product storage tank (7), the bottom liquid outlet of the hypergravity rotary folding fluidized bed (1)
It is connect with the liquid inlet of the reboiler (9), the gas vent and the hypergravity rotary folding fluidized bed of the reboiler (9)
(1) gas access connection, the gas access of the gas vent of the reaction kettle (8) and the hypergravity rotary folding fluidized bed (1)
Connection.
2. a kind of hypergravity rectifying according to claim 1 is used for reaction process solvent recovering system, it is characterised in that: institute
It states and is connected on the entrance of reaction kettle (8) feed pipe (11), on the collet of the reboiler (9) and the collet of reaction kettle (8)
It is connected with steam-heating pipe road (10), is connected with circulating condensing water pipe (12) on the condenser (2).
3. a kind of hypergravity rectifying according to claim 1 is used for reaction process solvent recovering system, it is characterised in that: institute
It states and is connect between condenser (2) and the surge tank (3) by third branch line (16), on the third branch line (16)
Equipped with visor (13), flowmeter (6) are equipped on first branch line (14) and second branched pipe road (15).
4. a kind of hypergravity rectifying according to claim 1 is used for reaction process solvent recovering system, it is characterised in that: institute
Stating condenser (2) includes tubular heat exchanger or spiral heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915451.6A CN108992958A (en) | 2018-08-13 | 2018-08-13 | A kind of hypergravity rectifying is used for reaction process solvent recovering system |
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| CN201810915451.6A CN108992958A (en) | 2018-08-13 | 2018-08-13 | A kind of hypergravity rectifying is used for reaction process solvent recovering system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102072A (en) * | 2019-05-07 | 2019-08-09 | 浙江亚光科技股份有限公司 | Hypergravity rectifying couples the device and control method of decompression separation methanol-water with reacting |
| CN110314408A (en) * | 2019-08-01 | 2019-10-11 | 昆明萃醍生物科技有限公司 | A kind of extraction process of high-purity cannabidiol |
| CN111690780A (en) * | 2020-06-15 | 2020-09-22 | 浙江亚光科技股份有限公司 | Device for removing methanol in xylose mother liquor by using supergravity bed and control method |
| CN114130052A (en) * | 2021-12-20 | 2022-03-04 | 青海亚洲硅业半导体有限公司 | Recovery unit of high boiling thing in chlorosilane raffinate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110102072A (en) * | 2019-05-07 | 2019-08-09 | 浙江亚光科技股份有限公司 | Hypergravity rectifying couples the device and control method of decompression separation methanol-water with reacting |
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| CN111690780A (en) * | 2020-06-15 | 2020-09-22 | 浙江亚光科技股份有限公司 | Device for removing methanol in xylose mother liquor by using supergravity bed and control method |
| CN114130052A (en) * | 2021-12-20 | 2022-03-04 | 青海亚洲硅业半导体有限公司 | Recovery unit of high boiling thing in chlorosilane raffinate |
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Application publication date: 20181214 |
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