CN106512459A - Concentrator based on vapor thermal gain technology - Google Patents
Concentrator based on vapor thermal gain technology Download PDFInfo
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- CN106512459A CN106512459A CN201611166096.4A CN201611166096A CN106512459A CN 106512459 A CN106512459 A CN 106512459A CN 201611166096 A CN201611166096 A CN 201611166096A CN 106512459 A CN106512459 A CN 106512459A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Abstract
A concentrator based on a vapor thermal gain technology comprises a raw liquid preheating section, a first-effect concentration section, a second-effect concentration section and a vacuum system, wherein a raw material medicine liquid is input from a raw liquid inlet of a plate heat exchanger, enters the first-effect concentration section and the second-effect concentration section after being preheated and is concentrated under the cooperation of the vacuum system. The concentrator is simple in structure and low in first-period investment cost, operates stably and has no motion parts except the vacuum system, so that long-term stable operation of the concentrator is guaranteed; the heat transfer effect is good, the flow speed of the medicine liquid in heater tubes is high, tube blockage is avoided, and gain heat transfer is realized; the maintenance cost is low, heaters can be detached for cleaning, and maintenance is convenient and easy; the target concentration is not limited, and the concentration of a traditional Chinese medicine extraction liquid can reach the target concentration once; the foam problem is effectively solved, the producing amount of foam can be controlled and the problem that foam carries the medicine liquid away can be solved; the noise is low and the energy saving effect is remarkable.
Description
Technical field
The present invention relates to Chinese medicine extraction concentration technique field, more particularly to a kind of concentration based on steam heating power gain techniques
Equipment.
Background technology
With the continuous development of medication economics, the effect that traditional medicine is played in fitness-for-all industry is increasing.With
The demand of the Chinese patent medicine that natural drug purification is obtained increasingly increases, and makes Chinese medicine preparation, and Chinese crude drug needs Jing mostly
Cross the technological operations such as extraction, concentration, purification；The concentration process of Chinese medicine extraction liquid is one of energy consumption highest chemical industry operation unit,
Constitute about the 60% ~ 70% of total power consumption.Although Chinese medicine extraction liquid concentration technique and equipment are by updating and innovating, energy is being saved
Certain progress is achieved on consumption and thickening efficiency.However, herbal pharmaceutical enterprise remains last century 60 using most at present
Single-action that age uses, economic benefits and social benefits, Multi-effect concentration device, the contradictory relation of generally existing energy resource consumption and cost of investment.
In recent years, domestic Yao Ji enterprises introduce MVR from Germany（Mechanical vapor recompression）Technology
And attempt applying it in the concentration technology of Chinese medicine, the ultimate principle of MVR technologies is the indirect steam by vaporizer out, Jing
Compressor compresses, pressure and temp are raised, and heat content increases, and the heating chamber for being then delivered to vaporizer is used as heating steam, makes material
Liquid also maintains fluidized state, and heats steam itself and be then condensed into water, be obtained by steam originally to be discarded, and improves heat
Efficiency.However, MVR technologies are applied to the problem of some general character of generally existing in the concentration technology of Chinese medicine extraction liquid so as at this
The popularization and application in field are limited, such as：（1）Initial investment is high, using unit average price of the imported compressor per 1 ton of evaporation capacity 60
Ten thousand yuans or so；（2）Cocnentration factor weighs fall short concentration, using MVR technology concentrated medicament proportions up to after 1.05 just
It is difficult to be further added by, traditional economic benefits and social benefits or Multi-effect concentration device generally still will be utilized further to be concentrated, virtually be increased into
This；（3）Maintenance costs are high, and vapour compression machine contains high-speed moving part, it is difficult to ensure that machine can be run steadily in the long term, and one
Denier vapour compression machine breaks down, and not only maintenance cost is higher, and shuts down and will cause damage；（4）Heater tubulation blockage problem,
Due to medicinal liquid in vaporizer and heater between circulation rate than relatively low, the medicinal liquid long-time in heater tubulation is heated and is made
Into adhesion problems, do not only result in heat transfer resistance and become big, and easily blocking tubulation causes concentration carry out；（5）Noise is big, by machine
The far super GMP of noise that tool vapour compression machine is produced is required to the noise limit of medicament compartment；（6）Bubble-related issues, some Chinese medicines are carried
Contain saponin component in taking liquid, these compositions easily produce substantial amounts of foam when moisture receives thermal evaporation, not only take away
Medicinal liquid causes damage, and attachment affects heat-transfer effect within the condenser.
The content of the invention
Technical problem solved by the invention is to provide a kind of concentrator based on steam heating power gain techniques, to solve
Shortcoming in certainly above-mentioned background technology.
Technical problem solved by the invention employs the following technical solutions to realize：
A kind of concentrator based on steam heating power gain techniques, including the stock solution preheating section being sequentially connected, one effect enriching section, two
Effect enriching section and vacuum system, raw material medicinal liquid are entered from the stock solution entrance of plate type heat exchanger, it is preheated after into an effect enriching section,
Two effect enriching sections, complete concentration of liquid medicine under the cooperation of vacuum system, and concrete structure is as follows：
1st effective evaporator is in parallel by pipeline with an effect heater, and an effect heater top side is provided with steam gain
Device, and steam multiplier (-icator) is connected with 1st effective evaporator；One effect heater is connected with one-level knockout drum, one-level knockout drum
It is connected with two effect heaters, two effect heaters are in parallel by pipeline with 2nd effect evaporator, while two effect heater bottoms are by pipe
Road is connected with two grades of knockout drums, and 2nd effect evaporator, the top of two grades of knockout drums are connected with condenser respectively, condenser
Bottom is provided with condensed fluid collection tank, and two grades of knockout drum bottoms are connected with condensed fluid collection tank, and condensed fluid collection tank is connected with vacuum pump
Connect；Additionally, an effect heater is connected by pipeline with two effect heaters, and 1st effective evaporator, an effect heater, one-level gas-liquid point
It is connected with plate type heat exchanger from tank, two effect heaters and two grades of knockout drums respectively, plate type heat exchanger is connected with magnetic drive pump, is led to
Cross magnetic drive pump to discharge the water in plate type heat exchanger.
In the present invention, steam inlet is provided with steam multiplier (-icator), being passed through steam by steam inlet carries out concurrent heating.
In the present invention, one-level gas-liquid separation tank top is provided with one-level butterfly valve.
In the present invention, check-valves are provided with the pipeline that an effect heater is connected with two effect heaters.
In the present invention, plate type heat exchanger side is provided with stock solution entrance, and magnetic drive pump is arranged on plate type heat exchanger opposite side.
In the present invention, two grades of butterfly valves are provided with 2nd effect evaporator.
In the present invention, condenser top is provided with condensation-water drain, and condenser is provided with condensation water inlet.
In the present invention, wire mesh demister is respectively arranged with the top of 1st effective evaporator and 2nd effect evaporator.
In the present invention, raw material medicinal liquid is entered from the stock solution entrance of plate type heat exchanger, is heated by plate type heat exchanger,
The thermal source of plate type heat exchanger is the hot water that one-level knockout drum and two grades of knockout drums are separated, can in first operation
Steam is passed through by the steam inlet arranged on steam multiplier (-icator) carries out concurrent heating, and the medicinal liquid after preheating subsequently enters effect evaporation
Device, an effect heater, two effect heaters；
After preheated medicinal liquid enters 1st effective evaporator, an effect heater, circulate between 1st effective evaporator and an effect heater,
One effect heater is heated to medicinal liquid, and medicinal liquid moisture evaporation carries out gas-liquid separation in 1st effective evaporator after being heated, from one
The steam that effect vaporizer top is separated still has very high temperature, carries out in the steam inlet steam by steam multiplier (-icator)
It is re-fed into an effect heater to heat medicinal liquid after temperature-compensating, once remaining vapour and hot water enter one-level knockout drum
In；
Preheated medicinal liquid is circulated into after two effect heaters between two effect heaters and 2nd effect evaporator, two effect heaters
Medicinal liquid is heated, heat by supplying from the detached remaining stripping of one-level knockout drum, out secondary from two effect heaters
Remaining vapour and hot water are entered in two grades of knockout drums, are condensed more than final part after the condensed device of vapour；
Detached by vacuum pump after the condensed liquid collection tank of fixed gas.
Beneficial effect：
Present device is constituted simply, the 20% of first-phase investment low cost, only import MVR equipment, the 30% of domestic MVR equipment ~
40%；It is stable, the movement-less part in addition to vacuum system, so as to ensure that equipment is run steadily in the long term；Heat-transfer effect is good, heating
Device tubulation inner liquid medicine flow velocity is fast, not plugging, gain heat transfer；Maintenance cost is low, heater disassembling cleaning, easy to maintenance easy；
Aimed concn is unrestricted, Chinese medicine extraction liquid concentration can once be reached aimed concn；Effectively solving bubble-related issues, simultaneously because
Wire mesh demister is provided with the top of evaporimeter internal pressure scalable and vaporizer, the yield of foam is not only can control, and can be solved
Certainly foam takes away the problem of medicinal liquid；Noise is low, compares MVR technologies, and this equipment mechanical compressor, running noises are low；Energy-conservation is imitated
Fruit significantly, compares haplo-effect concentrator, and energy-conservation proportion is up to 70% ~ 80%.
Description of the drawings
Structural representations of the Fig. 1 for presently preferred embodiments of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to a kind of concentrator based on steam heating power gain techniques of Fig. 1, including 1st effective evaporator 1, steam gain
The effect heater 3 of device 2, one-level butterfly valve 4, one-level knockout drum 5, plate type heat exchanger 6, the effect heater 8, two of magnetic drive pump 7, two
Effect 9, two grades of vaporizer, 10, two grades of butterfly valve knockout drum 11, condenser 12, condensed fluid collection tank 13, vacuum pump 14 and silk screen are removed
Foam device 15.
In the present embodiment, 1st effective evaporator 1 is in parallel by pipeline with an effect heater 3, and on 3 top of effect heater
Steam multiplier (-icator) 2 is provided with, and steam multiplier (-icator) 2 is connected with 1st effective evaporator 1 by pipeline；One effect heater 3 and one-level gas
Liquid knockout drum 5 connects, and one-level knockout drum 5 is connected with two effect heaters 8, and two effect heaters 8 are with 2nd effect evaporator 9 by pipe
Road is in parallel, while two 8 bottoms of effect heater are connected with two grades of knockout drums 11 by pipeline, 9, two grades of gas-liquids of 2nd effect evaporator
The top of knockout drum 11 is connected with condenser 12 respectively, and 12 bottom of condenser is provided with condensed fluid collection tank 13, two grades of gas-liquid separations
11 bottom of tank is connected with condensed fluid collection tank 13, and condensed fluid collection tank 13 is connected with vacuum pump 14；Additionally, an effect heater 3 and two effects
Heater 8 is connected by pipeline, and the effect heater 3 of 1st effective evaporator 1, the effect heater 8 and two of one-level knockout drum 5, two
Level knockout drum 11 is connected with plate type heat exchanger 6 respectively, and plate type heat exchanger 6 is connected with magnetic drive pump 7, by magnetic drive pump 7 by plate
Water in formula heat exchanger 6 is discharged.
In the present embodiment, steam inlet is provided with steam multiplier (-icator) 2.
In the present embodiment, one-level butterfly valve 4 is provided with the top of one-level knockout drum 5.
In the present embodiment, check-valves are provided with the pipeline that an effect heater 3 is connected with two effect heaters 8.
In the present embodiment, 6 side of plate type heat exchanger is provided with stock solution entrance.
In the present embodiment, two grades of butterfly valves 10 are provided with 2nd effect evaporator 9.
In the present embodiment, 12 top of condenser is provided with condensation-water drain, and 12 bottom of condenser is provided with condensed water and enters
Mouthful.
In the present embodiment, wire mesh demister 15 is respectively arranged with the top of 1st effective evaporator 1 and 2nd effect evaporator 9.
In the present embodiment, raw material medicinal liquid is entered from the stock solution entrance of plate type heat exchanger 6, is carried out by plate type heat exchanger 6
Heating, the thermal source of plate type heat exchanger 6 are the hot water that one-level knockout drum 5 and two grades of knockout drums 11 are separated, first
Steam can be passed through by the steam inlet arranged on steam multiplier (-icator) 2 during secondary operation carries out concurrent heating, and the medicinal liquid after preheating is with laggard
Enter the effect effect heater 8 of heater 3, two of 1st effective evaporator 1, the process make use of the heat of condensed fluid, at utmost save energy
Amount；
Preheated medicinal liquid is followed into after the effect heater 3 of 1st effective evaporator 1, between 1st effective evaporator 1 and an effect heater 3
Ring, an effect heater 3 are heated to medicinal liquid, and medicinal liquid moisture evaporation carries out gas-liquid separation in 1st effective evaporator 1 after being heated,
The steam separated from 1 top of 1st effective evaporator still has very high temperature, is being steamed by the steam inlet of steam multiplier (-icator) 2
Vapour is re-fed into an effect heater 3 and medicinal liquid is heated after carrying out temperature-compensating, once remaining vapour and hot water enter one-level gas-liquid
In knockout drum 5, the most of vapor that is evaporated in medicinal liquid of heat energy of the process consumption is only passed through a small amount of steam pair
Its temperature-compensating so that steam usage amount greatly reduces, and energy-saving effect is notable；
Preheated medicinal liquid is circulated into after two effect heaters 8 between two effect heaters 8 and 2nd effect evaporator 9, two effect heating
Device 8 is heated to medicinal liquid, heat by supplying from the detached remaining stripping of one-level knockout drum 5, from two effect heaters 8 out
Secondary remaining vapour and hot water are entered in two grades of knockout drums 11, condensation after the condensed device 12 of vapour, the process reality more than final part
Show the Multi-class propagation of steam heat, improve efficiency；
Detached by vacuum pump 14 after the condensed liquid collection tank of fixed gas 13.
The present embodiment utilizes one-level knockout drum based on the ultimate principle for efficiently recycling indirect steam, stock solution preheating section
5 and the hot water discharged of two grades of knockout drums 11 in heat stock solution is preheated by plate type heat exchanger 6；
Heat needed for one effect enriching section is passed through to mend in steam multiplier (-icator) 2 by the vapor that 1 herb liquid of 1st effective evaporator evaporates
Mixed vapour after a small amount of steam for filling is provided；
Energy needed for two effect enriching sections by one-level knockout drum 5 in remaining stripping supply；
Vacuum system is used to reduce an operating pressure imitated in enriching section and two effect enriching sections, reduces evaporating temperature, makes an effect
Medicinal liquid in vaporizer 1 and 2nd effect evaporator 9 evaporation of water temperature when less than normal pressure maintains 100 DEG C of evaporations；
One-level butterfly valve 4 and two grades of butterfly valves 10 adjust in 1st effective evaporator 1 and two effect enriching sections in an effect enriching section two respectively
Vacuum in effect vaporizer 9（Because of the space in one-level knockout drum 5 and shell side space and an effect steaming of an effect heater 3
The space for sending out device 1 communicates, therefore the vacuum of the controllable 1st effective evaporator 1 of aperture for adjusting one-level butterfly valve 4）, promote an effect to evaporate
Medicinal liquid in device 1 and 2nd effect evaporator 9 reach maximum evaporation efficiency, and adopt heating power recompress steam method, make evaporation
In device, indirect steam out is again introduced into heater completely after heating up medicinal liquid is heated, the water of partial condensation and remaining vapour
Heat energy is further utilized into two effect heaters, maximally utilise heat energy.
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (9)
1. a kind of concentrator based on steam heating power gain techniques, including the stock solution preheating section being sequentially connected, an effect enriching section,
Two effect enriching sections and vacuum system, it is characterised in that concrete structure is as follows：
1st effective evaporator is in parallel by pipeline with an effect heater, and an effect heater top side is provided with steam gain
Device, and steam multiplier (-icator) is connected with 1st effective evaporator；One effect heater is connected with one-level knockout drum, one-level knockout drum
It is connected with two effect heaters, two effect heaters are in parallel by pipeline with 2nd effect evaporator, while two effect heater bottoms are by pipe
Road is connected with two grades of knockout drums, and 2nd effect evaporator, the top of two grades of knockout drums are connected with condenser respectively, condenser
Bottom is provided with condensed fluid collection tank, and two grades of knockout drum bottoms are connected with condensed fluid collection tank, and condensed fluid collection tank is connected with vacuum pump
Connect；Additionally, an effect heater is connected by pipeline with two effect heaters, and 1st effective evaporator, an effect heater, one-level gas-liquid point
It is connected with plate type heat exchanger from tank, two effect heaters and two grades of knockout drums respectively, plate type heat exchanger is connected with magnetic drive pump.
2. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that steam increases
Steam inlet is provided with beneficial device.
3. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that one-level gas
One-level butterfly valve is provided with the top of liquid knockout drum.
4. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that in an effect
Check-valves are provided with the pipeline that heater is connected with two effect heaters.
5. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that board-like to change
Hot device side is provided with stock solution entrance, and magnetic drive pump is arranged on plate type heat exchanger opposite side.
6. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that two effects are steamed
Send out two grades of butterfly valves are provided with device.
7. a kind of concentrator based on steam heating power gain techniques according to claim 1, it is characterised in that condenser
Top is provided with condensation-water drain, and condenser is provided with condensation water inlet.
8. a kind of concentrator based on steam heating power gain techniques according to claim 1 a, it is characterised in that effect is steamed
Send out wire mesh demister is respectively arranged with the top of device and 2nd effect evaporator.
9. a kind of concentrator based on steam heating power gain techniques according to any one of claim 1～8, its feature exist
In raw material medicinal liquid is entered from the stock solution entrance of plate type heat exchanger, is heated by plate type heat exchanger, the thermal source of plate type heat exchanger
For the hot water that one-level knockout drum and two grades of knockout drums are separated, can pass through on steam multiplier (-icator) in first operation
The steam inlet of setting is passed through steam and carries out concurrent heating, and the medicinal liquid after preheating subsequently enters 1st effective evaporator, an effect heater, two effects
Heater；
After preheated medicinal liquid enters 1st effective evaporator, an effect heater, circulate between 1st effective evaporator and an effect heater,
One effect heater is heated to medicinal liquid, and medicinal liquid moisture evaporation carries out gas-liquid separation in 1st effective evaporator after being heated, from one
The steam that effect vaporizer top is separated still has very high temperature, carries out in the steam inlet steam by steam multiplier (-icator)
It is re-fed into an effect heater to heat medicinal liquid after temperature-compensating, once remaining vapour and hot water enter one-level knockout drum
In；
Preheated medicinal liquid is circulated into after two effect heaters between two effect heaters and 2nd effect evaporator, two effect heaters
Medicinal liquid is heated, heat by supplying from the detached remaining stripping of one-level knockout drum, out secondary from two effect heaters
Remaining vapour and hot water are entered in two grades of knockout drums, are condensed more than final part after the condensed device of vapour；
Detached by vacuum pump after the condensed liquid collection tank of fixed gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166096.4A CN106512459A (en) | 2016-12-16 | 2016-12-16 | Concentrator based on vapor thermal gain technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166096.4A CN106512459A (en) | 2016-12-16 | 2016-12-16 | Concentrator based on vapor thermal gain technology |
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| CN106512459A true CN106512459A (en) | 2017-03-22 |
Family
ID=58339960
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611166096.4A Pending CN106512459A (en) | 2016-12-16 | 2016-12-16 | Concentrator based on vapor thermal gain technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050923A (en) * | 2017-06-21 | 2017-08-18 | 江苏北松健康产业有限公司 | A kind of heavy concentration systems of water and traditional Chinese medicine extraction system |
| CN107497127A (en) * | 2017-10-23 | 2017-12-22 | 青岛同兴天然色素有限公司 | A kind of pigment concentrator |
| CN110465108A (en) * | 2019-09-04 | 2019-11-19 | 江西赫柏康华制药设备有限公司 | The multi-functional extraction concentration integrated equipment of one kind and technique |
| CN113198194A (en) * | 2021-05-11 | 2021-08-03 | 江苏峰业科技环保集团股份有限公司 | Energy-saving environment-friendly triple-effect evaporator |
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| CN107050923A (en) * | 2017-06-21 | 2017-08-18 | 江苏北松健康产业有限公司 | A kind of heavy concentration systems of water and traditional Chinese medicine extraction system |
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| CN107497127A (en) * | 2017-10-23 | 2017-12-22 | 青岛同兴天然色素有限公司 | A kind of pigment concentrator |
| CN110465108A (en) * | 2019-09-04 | 2019-11-19 | 江西赫柏康华制药设备有限公司 | The multi-functional extraction concentration integrated equipment of one kind and technique |
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| CN113198194A (en) * | 2021-05-11 | 2021-08-03 | 江苏峰业科技环保集团股份有限公司 | Energy-saving environment-friendly triple-effect evaporator |
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