CN209193996U - A kind of system that hemicellulose continuous hydrolysis prepares Xylose - Google Patents
A kind of system that hemicellulose continuous hydrolysis prepares Xylose Download PDFInfo
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- CN209193996U CN209193996U CN201822022811.8U CN201822022811U CN209193996U CN 209193996 U CN209193996 U CN 209193996U CN 201822022811 U CN201822022811 U CN 201822022811U CN 209193996 U CN209193996 U CN 209193996U
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- hemicellulose
- xylose
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Abstract
The utility model relates to a kind of systems that hemicellulose continuous hydrolysis prepares Xylose, including neutralisation unit, tune acid unit, feed unit, liquefaction injection unit, input and output material heat exchange unit, discharging control unit.Neutralisation unit includes head tank, neutralizes concentrated sulfuric acid pump, neutralizes pipe-line mixer, adjusting acid unit includes adjusting sour concentrated sulfuric acid pump, adjusting sour pipe-line mixer and acid-regulating tank, feed unit includes head tank, the injection unit that liquefies includes liquefaction injector and liquefaction maintainer, input and output material heat exchange unit includes input and output material plate heat exchanger and the first drop temperature sensor, and discharging control unit includes outlet valve and return valve.The Xylose of preparation exchanges heat in input and output material plate heat exchanger with hemicellulose liquid, so that the temperature of Xylose reduces, and the temperature of hemicellulose liquid increases.The utility model is fed simultaneously and discharging heat exchange, can substantially reduce energy consumption, and continuous feeding and discharging, improve production efficiency, simplify worker operation.
Description
Technical field
The utility model belongs to biomass acidolysis xylose technical field, and in particular to a kind of hemicellulose continuous hydrolysis system
The system of standby Xylose.
Background technique
The method of domestic production xylose is mainly that dilute acid hydrolysis corncob obtains Xylose at present, which generally uses kettle
The reaction of formula intermittent hydrolysis, intermittent hydrolysis method have shortcomings: 1, it is complicated for operation to react input and output material；2, not environmentally, energy consumption is high, water
Discharging thermal energy cannot utilize well in kettle after the completion of solution, and energy waste is big.Since domestic xylose production primary raw material is corn
Core, the residue generated in hydrolytic process is more, causes the blocking of equipment and pipeline, there is presently no good continuous hydrolysis to set
It is standby.
It is taking chemical pulp (plant celluloses such as wood pulp, cotton pulp, straw pulp reed pulp) as the production process of viscose fiber of raw material
In, to ensure content of cellulose in production process, using lye to cellulose processing (dipping, squeezing), using lye by half fiber
Tie up plain separated and dissolved.The above hemicellulose lye recycles lye by nanofiltration, and remaining hemicellulose liquid must not utilize, cause to provide
Source waste.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of hemicellulose continuous hydrolysis to prepare Xylose
System, high degree of automation can achieve continuous and automatic and adjust acidity, continuous feed and discharging, input and output material Continuous Heat Transfer.It is logical
Automated procedures regulation is crossed, the purpose of continuous production is can achieve, is highly suitable for industrialized production.
The utility model is realized in this way a kind of system that hemicellulose continuous hydrolysis prepares Xylose is provided, including
Neutralisation unit adjusts acid unit, feed unit, liquefaction injection unit, input and output material heat exchange unit, discharging control unit, the neutralization
Unit includes head tank, neutralizes concentrated sulfuric acid pump, neutralizes pipe-line mixer, and the tune acid unit includes adjusting sour concentrated sulfuric acid pump, adjusting acid
Pipe-line mixer and acid-regulating tank, the feed unit include head tank, and the liquefaction injection unit includes liquefaction injector and liquid
Change maintainer, the input and output material heat exchange unit includes input and output material plate heat exchanger and the first drop temperature sensor, the discharging
Control unit includes outlet valve and return valve；The head tank is for storing hemicellulose lye, the neutralization pipe-line mixer
Hemicellulose liquid for hemicellulose lye to be carried out neutralization reaction with the concentrated sulfuric acid come from neutralization concentrated sulfuric acid pump to obtain is former
Material, it is described that sour pipe-line mixer is adjusted to be used to hemicellulose liquid raw material being mixed to get half with from the concentrated sulfuric acid for adjusting sour concentrated sulfuric acid pump
Cellulose solution, the acid-regulating tank collect mixed hemicellulose liquid, and the head tank receives the hemicellulose from acid-regulating tank overflow
Plain liquid, hemicellulose liquid of the input and output material plate heat exchanger for after adjusting acid, which is fed and hydrolyzed between obtained Xylose, to carry out
Heat exchange, the liquefaction injector are used to be sufficiently mixed the hemicellulose liquid after heat exchange with external high steam and spray together
Into liquefaction maintainer, the liquefaction maintainer is used to after hemicellulose liquid and vapor at high temperature to that hydrolysis occur obtain
To Xylose, the first drop temperature sensor is used to incude the temperature for the Xylose that hydrolysis obtains, the first drop temperature sensor
It is chain with outlet valve and return valve, for controlling the flow direction for the Xylose that hydrolysis obtains.When the first drop temperature sensor sensing
When being not less than setting value to the temperature of Xylose, the outlet valve of the control unit that discharges is opened, and return valve is closed, and Xylose normally goes out
Material, otherwise return valve is opened, and outlet valve is closed, and Xylose is flowed back into head tank and recycled.
Further, the neutralisation unit further includes raw material switch valve, product pump, neutralisation of sulphuric acid switch valve, neutralisation of sulphuric acid
Flow controller and neutralize pH controller, the raw material switch valve be used to control hemicellulose lye in head tank outflow or
It closes, the neutralisation of sulphuric acid switch valve is used to control the on-off for neutralizing concentrated sulfuric acid pump main road, the neutralisation of sulphuric acid flow control
Device processed is used to control the flow for neutralizing the concentrated sulfuric acid in concentrated sulfuric acid pump main road, and the product pump is for the hemicellulose after neutralizing
Plain liquid feedstock transportation is to acid unit is adjusted, and the pH controller that neutralizes is for controlling the acidity pH of mixed hemicellulose liquid raw material
Value.
Further, the tune acid unit further includes mass flow controller and the sour vitriolic acid flux controller of tune, the object
Stream amount controller is used to control the flow of the hemicellulose liquid raw material flowed through, and the sour vitriolic acid flux controller of the tune is for controlling
The flow of the concentrated sulfuric acid in sour concentrated sulfuric acid pump delivery line is adjusted, between the mass flow controller and the sour vitriolic acid flux controller of tune
Linkage is carried out, the pump output of sour concentrated sulfuric acid pump is adjusted according to the flow of hemicellulose liquid raw material, so that hemicellulose liquid is former
The acidity of material meets setting value.
Further, the feed unit further includes feed pump and charging threshold switch, and the feed pump is used for head tank
In hemicellulose liquid be transported to input and output material heat exchange unit, the charging threshold switch is used to control leading to for charging pump delivery line
It is disconnected.The liquefaction injection unit further includes condensing temperature controller and temperature control valve (TCV), and the condensing temperature controller is for controlling
System enters the temperature of the hemicellulose liquid of liquefaction maintainer, and the condensing temperature controller and temperature control valve (TCV) link, the temperature
Degree regulating valve is used to control the aperture of liquefaction injector, keeps the temperature of liquefaction maintainer to stablize, is conducive to hemicellulose
Plain liquid hydrolysis.
Further, the input and output material heat exchange unit further includes charging regulating valve, in the charging regulating valve control pipeline
Hemicellulose liquid flow.
Further, the discharging control unit further includes discharging plate heat exchanger, the second drop temperature controller and goes out
Expect that pressure-regulating valve, the discharging plate heat exchanger are used to exchange heat to the Xylose flowed through by cooling water, reduces xylose
Liquid temperature, the second drop temperature controller are used to control the temperature of the Xylose before discharging, the discharge pressure regulating valve
For controlling the pressure of the Xylose before discharging.
Further, the temperature sensor of the condensing temperature controller is set as 128 DEG C ~ 130 DEG C.
Further, the first drop temperature sensor sensing temperature is set as 115 DEG C ~ 120 DEG C.Wood after hydrolysis
When the temperature of liquid glucose is lower than 115 DEG C, return valve is opened outlet valve and is closed, and Xylose is flowed back into head tank and recycled.
Further, the drop temperature of Xylose is stablized at 60 DEG C ~ 80 DEG C, pressure limit are as follows: 0.20MPa ~ 0.30MPa.
Compared with prior art, the system that the hemicellulose continuous hydrolysis of the utility model prepares Xylose, by online
PH monitor and flow chain control hemicellulose liquid material acidity carry out input and output material heat exchange by input and output material plate heat exchanger and fill
Divide using hydrolysis fluid residual heat, control hydrolysis temperature is reached by the aperture that condensing temperature sensor controls liquefaction injector, is passed through
Discharge pressure interlocking guarantees the pressure limit of hydrolytic process, and carrying out water cooling by the discharging to Xylose keeps its drop temperature full
Sufficient subsequent processing.Moreover, only parameter need to be set according to hemicellulose liquid material situation, that is, it can be automatically controled hemicellulose progress
Continuously, stable hydrolysis, meanwhile, the equipment energy consumption utilization rate of this system is high, and it is easy to operate, efficient, controllable company may be implemented
Continuous production.
Detailed description of the invention
Fig. 1 is that the principle for one preferred embodiment of system that the hemicellulose continuous hydrolysis of the utility model prepares Xylose is shown
It is intended to.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It please referring to shown in Fig. 1, the utility model hemicellulose continuous hydrolysis prepares the preferred embodiment of the system of Xylose,
Including neutralisation unit 1, adjust acid unit 2, feed unit 3, liquefaction injection unit 4, input and output material heat exchange unit 5, discharging control unit
6。
The neutralisation unit 1 includes head tank 11, raw material switch valve 12, neutralizes concentrated sulfuric acid pump 13, neutralisation of sulphuric acid switch valve
14, neutralisation of sulphuric acid flowmeter 15, neutralisation of sulphuric acid flow controller 16, neutralization pipe-line mixer 17, product pump 18, neutralization pH sensing
Device 19 and neutralization pH controller 110.The head tank 11 is for storing hemicellulose lye.The neutralization concentrated sulfuric acid pump 13 is change
Frequency pumps.The neutralization pipe-line mixer 17 is used for by hemicellulose lye and from the concentrated sulfuric acid progress for neutralizing concentrated sulfuric acid pump 13
Hemicellulose liquid raw material with reaction to obtain.The raw material switch valve 12 is used to control the hemicellulose lye in head tank 11
Outflow or closing.The neutralisation of sulphuric acid switch valve 14, which is used to control, neutralizes the on-off that the concentrated sulfuric acid pumps 13 output channels.In described
The concentrated sulfuric acid in 13 output channels is pumped for the inductive neutralization concentrated sulfuric acid with sulfuric acid stream meter 15 and neutralisation of sulphuric acid flow controller 16
Flow.The product pump 18 is for the hemicellulose liquid feedstock transportation after neutralizing to tune acid unit 2.The neutralization pH sensor
19 are used to incude and control the acidity pH value of mixed hemicellulose liquid raw material with neutralization pH controller 110.
The tune acid unit 2 includes adjusting sour concentrated sulfuric acid pump 21, adjusting sour pipe-line mixer 22, acid-regulating tank 23, mass flow meter
24, the sour sulfuric acid stream meter 26 of mass flow controller 25, tune and the sour vitriolic acid flux controller 27 of tune.The sour concentrated sulfuric acid pump 21 of the tune
For variable frequency pump.It is described that sour pipe-line mixer 22 is adjusted to be used for hemicellulose liquid raw material and the concentrated sulfuric acid from the sour concentrated sulfuric acid pump 21 of tune
It is mixed to get hemicellulose liquid.The acid-regulating tank 23 collects mixed hemicellulose liquid.The mass flow meter 24 and material
Flow controller 25 is used to incude and control the flow of the hemicellulose liquid raw material flowed through.The sour sulfuric acid stream meter 26 of the tune and tune
Sour vitriolic acid flux controller 27 is used to incuding and controlling the flow for adjusting the sour concentrated sulfuric acid to pump the concentrated sulfuric acid in 21 conveyance conduits.The material
Connection is carried out between flowmeter 24 and mass flow controller 25 and the sour sulfuric acid stream meter 26 of tune and the sour vitriolic acid flux controller 27 of tune
It is dynamic, the pump output of sour concentrated sulfuric acid pump 21 is adjusted according to the flow of hemicellulose liquid raw material, so that hemicellulose liquid raw material
Acidity meets setting value.
The feed unit 3 includes head tank 31, feed pump 32 and charging threshold switch 33.The head tank 31 is received from tune
The hemicellulose liquid of sour 23 overflow of tank.The feed pump 32 is changed for the hemicellulose liquid in head tank 31 to be transported to input and output material
Hot cell 5.The charging threshold switch 33 is used to control the on-off of 32 conveyance conduit of feed pump.
The liquefaction injection unit 4 includes liquefaction injector 41, liquefaction maintainer 42, condensing temperature sensor 43, liquefaction
Temperature controller 44 and temperature control valve (TCV) 45.The liquefaction injector 41 is for the hemicellulose liquid and external height after exchanging heat
Pressure steam is sufficiently mixed and is injected into liquefaction maintainer 42 together.The condensing temperature controller 43 enters liquefaction for controlling
The temperature of the hemicellulose liquid of maintainer 42.Hemicellulose liquid and external high pressure after flowing through input and output material plate heat exchanger 51 steam
Vapour mixes in liquefaction injector 41 and is injected into liquefaction maintainer 42, hemicellulose liquid and vapor together and maintains in liquefaction
Xylose is obtained after hydrolysis occurs in device 42.The condensing temperature sensor 43 and condensing temperature controller 44 and temperature tune
It saves valve 45 to link, the temperature control valve (TCV) 45 is used to control the aperture of liquefaction injector 41, keeps liquefaction maintainer 42
Temperature stablize, be conducive to hemicellulose liquid hydrolysis.
The input and output material heat exchange unit 5 includes input and output material plate heat exchanger 51, the first drop temperature sensor 52, feeding flow
Meter 53 and charging regulating valve 54.The input and output material plate heat exchanger 51 is used to that the hemicellulose liquid after acid to be adjusted to feed and hydrolyze
To Xylose between exchange heat.From the obtained Xylose of liquefaction injection unit 4 in input and output material plate heat exchanger 51 with from
The hemicellulose liquid of head tank 31 exchanges heat, so that the temperature of Xylose reduces, and the temperature of hemicellulose liquid increases.Together
When feed and discharging heat exchange, energy consumption can be substantially reduced.First drop temperature sensor 52 is used to incude the xylose that hydrolysis obtains
The temperature of liquid.The feed flow meter 53 is used to incude the flow of the hemicellulose liquid of the slave feed pump 32 flowed through.
The feed flow meter 53 mutually links with charging regulating valve 54, controls the flow of the hemicellulose liquid in pipeline.
The drop temperature of Xylose be determine its hydrolysis whether sufficient standard, when drop temperature is not up to set target value
The hydrolysis for being considered hemicellulose liquid is insufficient, it is necessary to reflux recycling.The drop temperature of Xylose reaches setting target
When value, the hydrolysis of hemicellulose liquid is just abundant.Generally, the system equipment of the utility model only is just starting to drive to open
Reflux course is just needed when dynamic operation, system equipment is all direct current discharging when operating normally.
The discharging control unit 6 includes outlet valve 61, return valve 62, discharging plate heat exchanger 63, cooling water temperature tune
Save valve 64, the second drop temperature sensor 65, the second drop temperature controller 66, discharge pressure sensor 67 and discharge pressure tune
Save valve 68.
First drop temperature sensor 52 and outlet valve 61 and return valve 62 are chain, the Xylose obtained for controlling hydrolysis
Flow direction.When the first drop temperature sensor 52 senses the temperature of Xylose not less than setting value, outlet valve 61 is opened, and is returned
It flows valve 62 to close, Xylose normally discharges, and otherwise return valve 62 is opened, and outlet valve 61 is closed, and Xylose flows back into head tank 31
In recycled.The drop temperature of Xylose is controlled to ensure that the hydrolysis of hemicellulose liquid is abundant, improves half
The transfer efficiency of cellulose solution.
The discharging plate heat exchanger 63 is used to exchange heat to the Xylose flowed through by cooling water, reduces Xylose temperature
Degree.The cooling water temperature regulating valve 64 is used to adjust the temperature of cooling water.Carrying out water cooling by the discharging to Xylose makes
Its drop temperature meets subsequent processing.The second drop temperature sensor 65 and the second drop temperature controller 66 are for incuding
With the temperature of the Xylose before control discharging.The discharge pressure sensor 67 and discharge pressure regulating valve 68 are for incuding and controlling
The pressure of Xylose before producing material.
The temperature sensor of the condensing temperature controller 44 is set as 128 DEG C ~ 130 DEG C.
First drop temperature sensor, 52 temperature sensor is set as 115 DEG C ~ 120 DEG C, Xylose after hydrolysis
When temperature is lower than 115 DEG C, return valve is opened outlet valve and is closed, and Xylose is flowed back into head tank and recycled.
The drop temperature of Xylose is stablized at 60 DEG C ~ 80 DEG C, pressure limit are as follows: 0.20MPa ~ 0.30MPa.
Using the hemicellulose continuous hydrolysis of the utility model prepare double of cellulose solution of system of Xylose charging and
The discharging of Xylose carries out continuous feeding and discharging control, improves the production efficiency of hemicellulose liquid hydrolysis, and high degree of automation simplifies
Worker operation.The characteristics of the utility model device, is continuous hydrolysis, and this method is more excellent than what existing autoclave discontinuous hydrolyzed
One of gesture is to save the operating time of input and output material, to improve hydrolysis efficiency (production capacity).
Further illustrate that the hemicellulose continuous hydrolysis of the utility model prepares Xylose combined with specific embodiments below
System and method.
Embodiment 1
With hemicellulose lye (alkali concentration 1.5%, hemicellulose concentration 8%, flow 6m3/ h) carry out continuous hydrolysis preparation wood
For liquid glucose.
The first step sets the neutralization terminal of pH sensor 19 in neutralization step as pH7, by 110 chain control of pH controller
Concentrated sulfuric acid flow is 58L/h, is thus 36HZ with the frequency of concentrated sulfuric acid pump 13 in flow chain control.Hemicellulose lye passes through
After neutralisation unit, tune acid unit is delivered to using product pump 18.
Second step adjusts the flow 6m of the mass flow meter 24 of hemicellulose liquid raw material in sour process3/ h, chain control tune acid
The flow 66L/h of sulfuric acid stream meter 26, it is 30HZ that thus the frequency of sour concentrated sulfuric acid pump 21 is adjusted in control.
Third step, input and output material exchange heat process in the first drop temperature sensor 52 discharging sensing temperature be 118 DEG C, charging
The flow 6m of flowmeter 533/ h, 54 chain control of feed flow controller feed the aperture 60% of regulating valve 55.
4th step, the temperature of condensing temperature sensor 43 is set as 128 DEG C in the jeting process that liquefies, condensing temperature controller
44 temperature control chain controls liquefaction injector 41 obtains aperture 70%, guarantees that liquefaction is sprayed later half cellulose solution temperature and stablized at 128 DEG C
It is hydrolyzed into liquefaction maintainer 42.The maintainer 42 that liquefies designs cylinder 12m3Volume capacity, guarantee is when being fed to discharging
Between maintain 2h.
5th step, discharging control the aperture 40% of discharge pressure regulating valve 68 in process, chain control discharge pressure sensing
Pressure is 0.25MPa, while the temperature sensing chain control of the second drop temperature sensor 65, the second drop temperature controller 66
The aperture 60% of cooling water temperature regulating valve 64, stability contorting Xylose striking point temperature guarantee 60 DEG C.Wherein when the first discharging
Outlet valve 29 is opened when 52 temperature of temperature sensor reaches 115 DEG C, and return valve 28 is opened when being lower than 115 DEG C.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of system that hemicellulose continuous hydrolysis prepares Xylose, which is characterized in that including neutralisation unit, adjust acid unit,
Feed unit, liquefaction injection unit, input and output material heat exchange unit, discharging control unit, the neutralisation unit include head tank, neutralize
Concentrated sulfuric acid pump neutralizes pipe-line mixer, and the tune acid unit includes adjusting sour concentrated sulfuric acid pump, adjusting sour pipe-line mixer and acid-regulating tank,
The feed unit includes head tank, and the liquefaction injection unit includes liquefaction injector and liquefaction maintainer, the input and output material
Heat exchange unit includes input and output material plate heat exchanger and the first drop temperature sensor, the discharging control unit include outlet valve and
Return valve；The head tank for storing hemicellulose lye, the neutralizations pipe-line mixer be used for hemicellulose lye and
Hemicellulose liquid raw material of the neutralization reaction to obtain, the sour pipe-line mixer of the tune are carried out from the concentrated sulfuric acid that concentrated sulfuric acid pump comes is neutralized
For hemicellulose liquid raw material to be mixed to get hemicellulose liquid with from the concentrated sulfuric acid for adjusting sour concentrated sulfuric acid pump, the acid-regulating tank is received
Collect mixed hemicellulose liquid, the head tank receives the hemicellulose liquid from acid-regulating tank overflow, and the input and output material is board-like to be changed
It exchanges heat between the Xylose that hot device is obtained for the hemicellulose liquid charging after adjusting acid and hydrolysis, the liquefaction injector is used
In by after heat exchange hemicellulose liquid and external high steam be sufficiently mixed and be injected into together liquefaction maintainer, the liquid
Change maintainer for obtaining Xylose, the first drop temperature after hydrolysis is occurred at high temperature for hemicellulose liquid and vapor
Sensor is used to incude the temperature for the Xylose that hydrolysis obtains, and the first drop temperature sensor and outlet valve and return valve are chain,
For controlling the flow direction for the Xylose that hydrolysis obtains.
2. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that the neutralization is single
Member further includes raw material switch valve, product pump, neutralisation of sulphuric acid switch valve, neutralisation of sulphuric acid flow controller and neutralizes pH controller, institute
It states raw material switch valve and is used for for controlling the outflow or closing of the hemicellulose lye in head tank, the neutralisation of sulphuric acid switch valve
Control neutralizes the on-off in concentrated sulfuric acid pump main road, and the neutralisation of sulphuric acid flow controller neutralizes concentrated sulfuric acid pump output for controlling
The flow of the concentrated sulfuric acid in pipeline, the product pump be used for will neutralize after hemicellulose liquid feedstock transportation to tune acid unit, it is described
Neutralize the acidity pH value that pH controller is used to control mixed hemicellulose liquid raw material.
3. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that the tune acid is single
Member further includes mass flow controller and adjusts sour vitriolic acid flux controller, and the mass flow controller is used to control half flowed through
The flow of cellulose solution raw material, the sour vitriolic acid flux controller of the tune adjust the concentrated sulfuric acid in sour concentrated sulfuric acid pump delivery line for controlling
Flow, the mass flow controller and adjust to carry out between sour vitriolic acid flux controller and link, according to hemicellulose liquid raw material
Flow adjust the pump output of sour concentrated sulfuric acid pump so that the acidity of hemicellulose liquid raw material meets setting value.
4. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that the charging is single
Member further includes feed pump and charging threshold switch, and the feed pump is changed for the hemicellulose liquid in head tank to be transported to input and output material
Hot cell, the charging threshold switch are used to control the on-off of charging pump delivery line；The liquefaction injection unit further includes liquefaction
Temperature controller and temperature control valve (TCV), the condensing temperature controller are used to control into the hemicellulose liquid of liquefaction maintainer
Temperature, the condensing temperature controller and temperature control valve (TCV) link, and the temperature control valve (TCV) is used for the aperture to liquefaction injector
It is controlled, the temperature of liquefaction maintainer is kept to stablize, be conducive to the hydrolysis of hemicellulose liquid.
5. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that the input and output material
Heat exchange unit further includes charging regulating valve, the flow of the hemicellulose liquid in the charging regulating valve control pipeline.
6. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that the discharging control
Unit processed further includes discharging plate heat exchanger, the second drop temperature controller and discharge pressure regulating valve, and the discharging is board-like to change
Hot device is used to exchange heat to the Xylose flowed through by cooling water, reduces Xylose temperature, the second drop temperature control
Device is used to control the temperature of the Xylose before discharging, and the discharge pressure regulating valve is used to control the pressure of the Xylose before discharging
Power.
7. the system that hemicellulose continuous hydrolysis as claimed in claim 4 prepares Xylose, which is characterized in that the liquefaction temperature
The temperature sensor of degree controller is set as 128 DEG C ~ 130 DEG C.
8. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that described first goes out
Material temperature sensor senses temperature is set as 115 DEG C ~ 120 DEG C.
9. the system that hemicellulose continuous hydrolysis as described in claim 1 prepares Xylose, which is characterized in that Xylose goes out
Material temperature degree is stablized at 60 DEG C ~ 80 DEG C, pressure limit are as follows: 0.20MPa ~ 0.30MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022811.8U CN209193996U (en) | 2018-12-04 | 2018-12-04 | A kind of system that hemicellulose continuous hydrolysis prepares Xylose |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022811.8U CN209193996U (en) | 2018-12-04 | 2018-12-04 | A kind of system that hemicellulose continuous hydrolysis prepares Xylose |
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| CN209193996U true CN209193996U (en) | 2019-08-02 |
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| CN201822022811.8U Withdrawn - After Issue CN209193996U (en) | 2018-12-04 | 2018-12-04 | A kind of system that hemicellulose continuous hydrolysis prepares Xylose |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355443A (en) * | 2018-12-04 | 2019-02-19 | 浙江华康药业股份有限公司 | A kind of hemicellulose continuous hydrolysis prepares the system and method for Xylose |
-
2018
- 2018-12-04 CN CN201822022811.8U patent/CN209193996U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355443A (en) * | 2018-12-04 | 2019-02-19 | 浙江华康药业股份有限公司 | A kind of hemicellulose continuous hydrolysis prepares the system and method for Xylose |
| CN109355443B (en) * | 2018-12-04 | 2020-07-17 | 浙江华康药业股份有限公司 | System and method for preparing xylose liquid by continuous hydrolysis of hemicellulose |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190802 Effective date of abandoning: 20200717 |