CN110184309A - Citric acid neutralizing tank continuously liquefied process and device - Google Patents
Citric acid neutralizing tank continuously liquefied process and device Download PDFInfo
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- CN110184309A CN110184309A CN201910500731.5A CN201910500731A CN110184309A CN 110184309 A CN110184309 A CN 110184309A CN 201910500731 A CN201910500731 A CN 201910500731A CN 110184309 A CN110184309 A CN 110184309A
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/18—Apparatus specially designed for the use of free, immobilized or carrier-bound enzymes
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/02—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by impregnation, e.g. using swabs or loops
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
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- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/44—Polycarboxylic acids
- C12P7/48—Tricarboxylic acids, e.g. citric acid
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Abstract
A kind of citric acid neutralizing tank continuously liquefied process and device, are related to citric acid fermentation technical field, can effectively reduce the quantity of neutralizing tank and occupied area, reduce cost of labor and improve utilization rate of equipment and installations and liquefaction effect.A kind of continuous liquefied process of citric acid neutralizing tank, includes the following steps: to initially enter feed unit by the liquefied material of laminar flow pipe, pol is measured by sampling;Preset height is reached to material liquid level in feed surge tank, using the gravity flow property of material, material enters liquefaction unit;It further liquefies under the action of amylase, and material PH is adjusted in neutralisation unit;Material is measured by sampling DE value, carries out blowing after reaching blowing requirement after discharging surge tank stops buffering.
Description
Technical field
The present invention relates to citric acid fermentation technical fields, continuously liquefied in particular to a kind of citric acid neutralizing tank
Process and device.
Background technique
Cornstarch is common a kind of good sources of carbon in citric acid fermentation industry, to be passed through centainly during utilization
Liquefaction processing, makes the starch of macromolecular be degraded to what dextrin, maltose and glucose of small molecule etc. can be utilized by microorganism
Sugar.Liquefaction is the important chemical reaction that must be carried out before citric acid fermentation.
In the production process of citric acid, starch liquefacation is important procedure, and usual starch liquefacation is complete in laminar flow channel
At, but because grinding particle size, laminar flow channel effect, jet effect and technique requirement etc., liquefier does not reach requirement, and needs
Increase liquefaction link in neutralization step, carries out secondary benefit enzyme into neutralizing tank while adjusting liquefier PH, this is namely existing
There is the common neutralizing tank interval liquefaction process of technique;Since each neutralizing tank is relatively independent, the neutralizing tank quantity needed is relatively more,
And it takes up a large area;The quantity increase of neutralizing tank means the increase of personnel amount and cost of labor;In interval liquefaction process,
The operation of neutralizing tank needs manual operation, such as crucial benefit enzyme operation, large labor intensity mostly, and manual operation presence adds
The non-uniform situation of enzyme;Moreover, interval liquefaction process can not achieve continuous discharge, utilization rate of equipment and installations is very low.
Therefore, it is badly in need of a kind of continuous liquefaction technology of neutralizing tank and device, to solve the neutralization in currently available technology
The technical problem that tank quantity is more, take up a large area, utilization rate of equipment and installations is low, high labor cost, liquefaction effect are undesirable.
Summary of the invention
The purpose of the present invention is to provide a kind of citric acid neutralizing tank continuously liquefied process and devices, can have
The quantity and occupied area of effect reduction neutralizing tank reduce cost of labor and improve utilization rate of equipment and installations and liquefaction effect.
The embodiment of the present invention is achieved in that
The continuous liquefied process of a kind of citric acid neutralizing tank comprising following steps: pass through the liquefied object of laminar flow pipe
Material initially enters feed unit, and pol is measured by sampling;Preset height is reached to material liquid level in feed surge tank, utilizes material
Gravity flow property, material enter liquefaction unit;It liquefies under the action of amylase, and material PH is adjusted in neutralisation unit
Section;Material is measured by sampling DE value, carries out blowing after reaching blowing requirement after discharging surge tank stops buffering.
In preferred embodiments of the present invention, the feed unit is material feed surge unit, in the feed unit
It is interior, material is sampled by charging sampling pipe, measures the pol of material, and the calculating as enzyme concentration in the liquefaction unit
Foundation.
In preferred embodiments of the present invention, the liquefaction unit is that liquefaction reaction occurs under diastatic action for material
Unit, in the liquefaction unit, the material pol and material that are measured according to the feed unit enter the flow of enzyme tank
For foundation, amylase additive amount is calculated, and sets adjustable metered pump parameter, by enzyme tank distributing device equably to described
Amylase is added in enzyme tank, while enzyme tank agitating device promotes amylase uniformly to contact with material, and material is made sufficiently to liquefy.
In preferred embodiments of the present invention, the neutralisation unit is the unit for adjusting material PH, in the neutralisation unit
It is interior, it is required according to technological parameter, sets the parameter of PH on-line checking and controller, material in PH probe on-line checking acid adding tank
PH, and signal is fed back into PH on-line checking and controller, after PH on-line checking and controller processing signal, to automatical dosing
Pump issues regulating command, and PH equably is added into acid adding tank by acid adding tank distributing device in automatical dosing pump control valve door aperture
Acid is adjusted, while acid adding tank agitating device promotes material sufficiently to react with PH adjusting acid, achievees the purpose that adjust material PH.
In preferred embodiments of the present invention, discharging unit is material discharging buffer cell, and material is buffered in the discharging
It is stopped in tank, discharging surge tank agitating device promotes liquefaction reaction and neutralization reaction persistently to carry out, and material is made to reach abundant liquefaction
Degree, neutralization reaches technique requirement, in the discharging unit, is sampled by discharging sampling pipe to material, measures object
The DE value of material discharges when material DE value, which reaches discharging, to be required.
In preferred embodiments of the present invention, the continuous liquefied process of the citric acid neutralizing tank further include: blowdown
Unit;The sewage unit is the cleaning sewage unit of equipment, after the completion of material discharging, is carried out at cleaning and sterilizing to equipment
Reason, cleans tank body and pipeline using pressure (hydraulic) water, and sterilized with steam to tank body and pipeline, and ejected wash water and sterilizing are steamed
Vapour enters sewage general pipeline by blow down branch, final to discharge.
The continuous liquefied device of a kind of citric acid neutralizing tank, comprising: feed unit, liquefaction unit, neutralisation unit and discharging
Unit;The feed unit includes: feed surge tank, charging total pipeline, feed surge tank discharge pipe, enzyme tank feed pipe
Road, No. I valve, charging sampling valve, charging sampling pipe, the charging total pipeline are located at the top of the feed surge tank, institute
The bottom that feed surge tank discharge pipe is located at the feed surge tank is stated, the charging sampling pipe is sampled by the charging
Valve is connected to the charging total pipeline, and the feed surge tank discharge pipe is fed by No. I valve and the enzyme tank
Pipeline connection.
The liquefaction unit includes: enzyme tank, flowmeter, enzyme tank discharge pipe, acid adding tank feed pipe, No. II valve
Door, enzyme storage tank, adjustable metered pump, enzyme pipeline, enzyme valve, the flowmeter are mounted on the end of the enzyme tank feed pipe
End, the enzyme tank discharge pipe are located at the bottom of the enzyme tank, and the adjustable metered pump is mounted on the enzyme pipeline
Starting point, the enzyme pipeline is located at the top of the enzyme tank, and the enzyme tank discharge pipe passes through No. II valve
It is connected to the acid adding tank feed pipe, the enzyme storage tank is connected to by the enzyme pipeline with the enzyme tank, and described is added
The enzyme valve is provided on enzyme pipeline.
The neutralisation unit includes: acid adding tank, acid adding tank discharge pipe, discharging surge tank feed pipe, No. III valve, acid
Storage tank, acid adding pipeline, online PH detection and controller, PH probe, automatical dosing pump, the acid adding tank discharge pipe is located at described
The bottom of acid adding tank, the PH probe are located at below the side of the acid adding tank, and the acid adding pipeline is located at the acid adding tank
Top, the online PH detection and controller pump with the automatical dosing and the PH probe is connect, the automatical dosing pump and
The acid storage tank connection, the acid adding tank discharge pipe are connected by No. III valve and the discharging surge tank feed pipe
Logical, the acid storage tank is connected to by the acid adding pipeline with the acid adding tank.
The discharging unit includes: discharging surge tank, discharging surge tank discharge pipe, No. IV three-dimensional valve, discharging pump, goes out
Expect that total pipeline, discharging sampling valve, discharging sampling pipe, the discharging surge tank discharge pipe are located at the bottom of the discharging surge tank
Portion, the discharging pump are mounted on the starting point in the discharge header pipe road, and the discharging surge tank discharge pipe passes through described No. IV
Three-dimensional valve is connected to the discharge header pipe road, and the discharging sampling pipe passes through the discharging sampling valve and the discharge header pipe
Road connection.
In preferred embodiments of the present invention, the feed unit further include be arranged in inside the feed surge tank into
Expect surge tank agitating device;The liquefaction unit further includes the enzyme tank agitating device being arranged in inside the enzyme tank, and
The enzyme tank distributing device being connected to the enzyme pipeline, the enzyme tank distributing device are mounted on the inner top of the enzyme tank;Institute
Stating neutralisation unit further includes the acid adding tank agitating device being arranged in inside the acid adding tank, and be connected to the acid adding pipeline
Acid adding tank distributing device, the acid adding tank distributing device are mounted on the inner top of the acid adding tank;The discharging unit further includes setting
Discharging surge tank agitating device inside the discharging surge tank.
In preferred embodiments of the present invention, the feed unit further includes being arranged in the feed surge tank discharge pipe
On No. I three-dimensional valve, the liquefaction unit further includes No. II three-dimensional valve being arranged on the enzyme tank discharge pipe, institute
Stating neutralisation unit further includes No. III three-dimensional valve being arranged on the acid adding tank discharge pipe, and the discharging unit further includes setting
Set No. IV three-dimensional valve on the discharging surge tank discharge pipe.
In preferred embodiments of the present invention, the continuous liquefied device of the citric acid neutralizing tank further include: sewage unit,
The sewage unit includes: feed surge tank blow down branch, enzyme tank blow down branch, acid adding tank blow down branch, discharging surge tank
Blow down branch, sewage general pipeline, sewage draining exit, the feed surge tank blow down branch by No. I three-dimensional valve and it is described into
Expect the connection of surge tank discharge pipe, the enzyme tank blow down branch passes through No. II three-dimensional valve and the enzyme tank discharge nozzle
Road connection, the acid adding tank blow down branch is connected to by No. III three-dimensional valve with the acid adding tank discharge pipe, it is described out
Material surge tank blow down branch is connected to by No. IV three-dimensional valve with the discharging surge tank discharge pipe, the blowdown general pipeline
Road is slow by the feed surge tank blow down branch, the enzyme tank blow down branch, the acid adding tank blow down branch and the discharging
It rushes tank blow down branch to link together, the sewage draining exit is located at the end of the sewage general pipeline.
The beneficial effect of the embodiment of the present invention is: a kind of continuous liquefaction process of citric acid neutralizing tank is used, instead of existing
Neutralizing tank interval liquefaction process in technology, directly reduces the quantity of neutralizing tank and ancillary equipment, reduces large number of equipment and set
The occupied land area of investment is applied, while also greatly reducing the human resources investment of links, improves equipment utilization
Rate largely reduces the production cost of enterprise, brings considerable economic benefit for enterprise;Moreover, neutralizing
Continuously liquefied enzyme concentration and acid adding amount use adjustable metering pump to tank, and it is uneven to avoid manual operation bring additive amount
Even problem increases substantially so that the Degree of Liquefaction of liquefier has, and improves the utilization rate of raw material.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure schematic diagram of the continuous liquefied device of citric acid neutralizing tank provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the continuous liquefied device of citric acid neutralizing tank provided in an embodiment of the present invention.
In figure:
A- feed unit;B- liquefaction unit;C- neutralisation unit;D- discharging unit;E- sewage unit;
1- feed surge tank;The enzyme tank of 2-;3- acid adding tank;4- discharging surge tank;5- enzyme storage tank;6- acid storage tank;
7- feeds total pipeline;No. I three-dimensional valve of 8-;9- feed surge tank discharge pipe;No. I valve of 10-;The enzyme tank charging of 11-
Pipeline;12- flowmeter;No. II three-dimensional valve of 13-;The enzyme tank discharge pipe of 14-;No. II valve of 15-;16- acid adding tank into
Pipe material;No. III three-dimensional valve of 17-;18- acid adding tank discharge pipe;No. III valve of 19-;20- discharging surge tank feed pipe
Road;No. IV three-dimensional valve of 21-;22- discharging surge tank discharge pipe;23- discharging pump;24- discharge header pipe road;25- charging
Sampling valve;26- feeds sampling pipe;27- discharging sampling valve;28- discharging sampling pipe;29- feed surge tank blowdown branch
Pipe;The enzyme tank blow down branch of 30-;31- acid adding tank blow down branch;32- discharging surge tank blow down branch;33- blowdown general pipeline
Road;34- sewage draining exit;35- feed surge tank agitating device;The enzyme tank agitating device of 36-;37- acid adding tank agitating device;
38- discharging surge tank agitating device;The enzyme tank distributing device of 39-;The adjustable metered pump of 40-;The enzyme valve of 41-;42- is enzyme
Pipeline;43- acid adding tank distributing device;44- acid adding pipeline;45- automatical dosing pump;The online PH detection of 46- and controller;47-
PH probe.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, the connection being also possible to inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
The present embodiment provides a kind of continuous liquefied processes of citric acid neutralizing tank comprising following steps: step S1,
Feed unit is initially entered by the liquefied material of laminar flow pipe, pol is measured by sampling;Step S2, to material liquid in feed surge tank
Position reaches preset height, and using the gravity flow property of material, material enters liquefaction unit;Step S3, under the action of amylase into
The liquefaction of one step, and material PH is adjusted in neutralisation unit;Step S4, material is after discharging surge tank stops buffering, sampling
DE value is measured, carries out blowing after reaching blowing requirement.
It should be added that, the gravity flow property of material is utilized in movement of the material in equipment pipe herein, passes through
The detection of every technic index is at any time adjusted enzyme concentration, acid adding amount, ensure that material can be realized continuous liquefaction, reaches
To the effect of continuous discharge.
In preferred embodiments of the present invention, feed unit be material feed surge unit, in feed unit, by into
Expect that sampling pipe samples material, measures the pol of material, and the calculation basis as enzyme concentration in liquefaction unit.
In preferred embodiments of the present invention, liquefaction unit is the list that liquefaction reaction occurs under diastatic action for material
Member, in liquefaction unit, the flow that the material pol and material measured according to feed unit enters enzyme tank is foundation, is calculated
Amylase additive amount out, and adjustable metered pump parameter is set, it is equably added and is formed sediment into enzyme tank by enzyme tank distributing device
Powder enzyme, while enzyme tank agitating device promotes amylase uniformly to contact with material, and material is made sufficiently to liquefy.
In preferred embodiments of the present invention, neutralisation unit is the unit for adjusting material PH, in neutralisation unit, according to work
Skill parameter request sets the parameter of PH on-line checking and controller, the PH of material in PH probe on-line checking acid adding tank, and will letter
Number PH on-line checking and controller are fed back to, after PH on-line checking and controller processing signal, pumps to issue to automatical dosing and adjust
PH is equably added into acid adding tank by acid adding tank distributing device and adjusts acid, together for section instruction, automatical dosing pump control valve door aperture
When acid adding tank agitating device promote material and PH to adjust acid sufficiently to react, achieve the purpose that adjusting material PH.
In preferred embodiments of the present invention, discharging unit is material discharging buffer cell, and material is in discharging surge tank
It stopping, discharging surge tank agitating device promotes liquefaction reaction and neutralization reaction persistently to carry out, and so that material is reached abundant Degree of Liquefaction,
Neutralization reaches technique requirement, in discharging unit, is sampled by discharging sampling pipe to material, measures the DE value of material,
When material DE value, which reaches discharging, to be required, discharge.
Same technological parameter is chosen in the present embodiment, compares the discharging DE value of traditional neutralizing tank interval liquefaction process
With the DE value of discharging of the embodiment of the present invention, detailed parameter and result index are shown in Table 1.The results show that being obtained using present invention process
To liquefier DE value improve 15%, show that the Degree of Liquefaction of liquefier is significantly improved.
1 traditional handicraft of table and present invention process index compare
In preferred embodiments of the present invention, the continuous liquefied process of citric acid neutralizing tank further include: sewage unit;
Sewage unit is the cleaning sewage unit of equipment, after the completion of material discharging, cleaning and sterilization treatment is carried out to equipment, using adding
Pressure water cleans tank body and pipeline, and is sterilized with high-temperature steam to tank body and pipeline, and ejected wash water and sterilizing steam are logical
It crosses blow down branch and enters sewage general pipeline, it is final to discharge.
It please refers to shown in Fig. 1-Fig. 2, the present embodiment provides a kind of continuous liquefied devices of citric acid neutralizing tank comprising:
Feed unit A, liquefaction unit B, neutralisation unit C and discharging unit D;Feed unit A includes: feed surge tank 1, charging total pipeline
7, No. I three-dimensional valve 8,9, No. I valves 10 of feed surge tank discharge pipe, charging sampling valve 25, charging sampling pipe 26, charging
Total pipeline 7 is located at the top of feed surge tank 1, and feed surge tank discharge pipe 9 is located at the bottom of feed surge tank 1, and charging is slow
It rushes tank discharge pipe 9 to be connected to by No. I three-dimensional valve 8 with feed surge tank 1, charging sampling pipe 26 passes through charging sampling valve 25
It is connected to charging total pipeline 7, feed surge tank discharge pipe 9 is connected to by No. I valve 10 with enzyme tank feed pipe 11.
Liquefaction unit B includes: enzyme tank 2, enzyme tank feed pipe 11, flowmeter 12, No. II three-dimensional valves 13, enzyme tanks
14, No. II valves 15 of discharge pipe, enzyme storage tank 5, adjustable metered pump 40, enzyme pipeline 42, enzyme valve 41, flowmeter 12 are installed
In the end of enzyme tank feed pipe 11, enzyme tank discharge pipe 14 is located at the bottom of enzyme tank 2, and enzyme tank discharge pipe 14 is logical
It crosses No. II three-dimensional valve 13 to be connected to enzyme tank 2, adjustable metered pump 40 is mounted on the starting point of enzyme pipeline 42, enzyme pipeline
42 are located at the top of enzyme tank 2, and enzyme tank discharge pipe 14 is connected to by No. II valve 15 with acid adding tank feed pipe 16, enzyme storage
Tank 5 is connected to by enzyme pipeline 42 with enzyme tank 2, and enzyme valve 41 is provided on enzyme pipeline 42.
Neutralisation unit C includes: acid adding tank 3,16, No. III three-dimensional valves 17 of acid adding tank feed pipe, acid adding tank discharge pipe
18, No. III valve 19, acid storage tank 6, acid adding pipeline 44, online PH detection and controller 46, PH probe 47, automatical dosing pump 45,
Acid adding tank discharge pipe 18 is located at the bottom of acid adding tank 3, and acid adding tank discharge pipe 18 passes through No. III three-dimensional valve 17 and acid adding tank 3
Connection, PH probe 47 are located at below the side of acid adding tank 3, and acid adding pipeline 44 is located at the top of acid adding tank 3, online PH detection and control
Device 46 processed is connect with automatical dosing pump 45 and PH probe 47, and automatical dosing pump 45 is connected to acid storage tank 6, acid adding tank discharge pipe 18
It is connected to by No. III valve 19 with discharging surge tank feed pipe 20, acid storage tank 6 is connected to by acid adding pipeline 44 with acid adding tank 3.
Discharging unit D include: discharging surge tank 4, discharging surge tank feed pipe 20, discharging surge tank discharge pipe 22,
No. IV three-dimensional valve 21, discharging pump 23, discharge header pipe road 24, discharging sampling valve 27, discharging sampling pipe 28, discharging surge tank go out
Pipe material 22 is located at the bottom of discharging surge tank 4, and discharging pump 23 is mounted on the starting point in discharge header pipe road 24, and discharging surge tank goes out
Pipe material 22 be connected to by No. IV three-dimensional valve 21 with discharge header pipe road 24, discharging sampling pipe 28 by discharge sampling valve 27 and
Discharge header pipe road 24 connects.
In preferred embodiments of the present invention, feed unit A further includes the feed surge being arranged in inside feed surge tank 1
Tank agitating device 35;Liquefaction unit B further includes the enzyme tank agitating device 36 being arranged in inside enzyme tank 2, and with enzyme pipe
The enzyme tank distributing device 39 that road 42 is connected to, the enzyme tank distributing device 39 are mounted on the inner top of enzyme tank 2;Neutralisation unit C is also wrapped
The acid adding tank agitating device 37 being arranged in inside acid adding tank 3 is included, and the acid adding tank distributing device 43 being connected to acid adding pipeline 44, it should
Acid adding tank distributing device 43 is mounted on the inner top of acid adding tank 3;Discharging unit D further includes that going out inside discharging surge tank 4 is arranged in
Expect surge tank agitating device 38.
In preferred embodiments of the present invention, feed unit A further includes I be arranged on feed surge tank discharge pipe 9
Number three-dimensional valve 8, liquefaction unit B further includes No. II three-dimensional valve 13 being arranged on enzyme tank discharge pipe 14, neutralisation unit C
It further include No. III three-dimensional valve 17 being arranged on acid adding tank discharge pipe 18, discharging unit D further includes that setting is buffered in discharging
No. IV three-dimensional valve 21 on tank discharge pipe 22.
In preferred embodiments of the present invention, the continuous liquefied device of the citric acid neutralizing tank further include: sewage unit
E, sewage unit E include: feed surge tank blow down branch 29, enzyme tank blow down branch 30, acid adding tank blow down branch 31, discharge and delay
Rush tank blow down branch 32, sewage general pipeline 33, sewage draining exit 34, feed surge tank blow down branch 29 by No. I three-dimensional valve 8 with into
Expect that surge tank discharge pipe 9 is connected to, enzyme tank blow down branch 30 is connected by No. II three-dimensional valve 13 and enzyme tank discharge pipe 14
Logical, acid adding tank blow down branch 31 is connected to by No. III three-dimensional valve 17 with acid adding tank discharge pipe 18, and discharge surge tank blowdown branch
Pipe 32 is connected to by No. IV three-dimensional valve 21 with the surge tank discharge pipe 22 that discharges, and sewage general pipeline 33 is by feed surge tank blowdown
Branch pipe 29, enzyme tank blow down branch 30, acid adding tank blow down branch 31 and discharging surge tank blow down branch 32 link together, blowdown
Mouth 34 is located at the end of sewage general pipeline 33.
Beneficial effect provided in an embodiment of the present invention is: using a kind of continuous liquefaction technology of citric acid neutralizing tank and dress
It sets, instead of neutralizing tank interval liquefaction process in the prior art, directly reduces the quantity of neutralizing tank and ancillary equipment, reduce
Large number of equipment facility puts into occupied land area, while also greatly reducing the human resources investment of links, mentions
High utilization rate of equipment and installations, largely reduces the production cost of enterprise, considerable economic effect is brought for enterprise
Benefit;Moreover, continuously liquefied enzyme concentration and acid adding amount use adjustable metering pump to neutralizing tank, avoids manual operation and bring
The non-uniform problem of additive amount increased substantially so that the Degree of Liquefaction of liquefier has, improve the utilization rate of raw material.
The embodiment of the present invention can design two identical continuous liquefaction process production lines of neutralizing tank, respectively production line and
Siding is used alternatingly, total 8 neutralizing tanks that come into operation, instead of 30 neutralizing tanks of original interval liquefaction process, if
Standby occupied area reduces about 70%, and utilization rate of equipment and installations improves 20%;Employed personnel are reduced to 15 people, human resources by 30 people
Investment reduces 50%;Production cost is largely reduced, brings considerable economic benefit for enterprise.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of continuous liquefied process of citric acid neutralizing tank, which comprises the steps of:
Feed unit is initially entered by the liquefied material of laminar flow pipe, pol is measured by sampling;
Preset height is reached to material liquid level in feed surge tank, using the gravity flow property of material, material enters liquefaction unit;
It liquefies under the action of amylase, and material PH is adjusted in neutralisation unit;
Material is measured by sampling DE value, carries out blowing after reaching blowing requirement after discharging surge tank stops buffering.
2. the continuous liquefied process of citric acid neutralizing tank according to claim 1, which is characterized in that the charging is single
Member is material feed surge unit, in the feed unit, is sampled by charging sampling pipe to material, measures the sugar of material
Degree, and the calculation basis as enzyme concentration in the liquefaction unit.
3. the continuous liquefied process of citric acid neutralizing tank according to claim 1, which is characterized in that the liquefaction is single
Member is the unit that liquefaction reaction occurs under diastatic action for material, in the liquefaction unit, according to the feed unit institute
The flow that the material pol and material of measurement enter enzyme tank is foundation, calculates amylase additive amount, and sets adjustable meter
Amylase is equably added by enzyme tank distributing device in amount pump parameter into the enzyme tank, while enzyme tank agitating device promotees
It contacts amylase uniformly with material, material is made sufficiently to liquefy.
4. the continuous liquefied process of citric acid neutralizing tank according to claim 1, which is characterized in that the neutralization is single
Member requires in the neutralisation unit according to technological parameter to adjust the unit of material PH, sets PH on-line checking and controller
Parameter, the PH of material in PH probe on-line checking acid adding tank, and signal is fed back to PH on-line checking and controller exists through PH
After line detection and controller processing signal, is pumped to automatical dosing and issue regulating command, automatical dosing pump control valve door aperture passes through
PH is equably added into acid adding tank and adjusts acid for acid adding tank distributing device, while acid adding tank agitating device promotes material and PH to adjust acid
Sufficiently reaction achievees the purpose that adjust material PH.
5. the continuous liquefied process of citric acid neutralizing tank according to claim 1, which is characterized in that discharging unit is
Material discharges buffer cell, and material stops in the discharging surge tank, discharging surge tank agitating device promote liquefaction reaction with
Neutralization reaction persistently carries out, and so that material is reached abundant Degree of Liquefaction, neutralization reaches technique requirement, in the discharging unit
It is interior, material is sampled by discharging sampling pipe, the DE value of material is measured, when material DE value, which reaches discharging, to be required, is gone out
Material.
6. continuously liquefied process, feature exist citric acid neutralizing tank according to any one of claims 1-5
In, further includes: sewage unit;
The sewage unit is the cleaning sewage unit of equipment, after the completion of material discharging, is carried out at cleaning and sterilizing to equipment
Reason, cleans tank body and pipeline using pressure (hydraulic) water, and sterilized with steam to tank body and pipeline, and ejected wash water and sterilizing are steamed
Vapour enters sewage general pipeline by blow down branch, final to discharge.
7. a kind of continuous liquefied device of citric acid neutralizing tank characterized by comprising feed unit, liquefaction unit, neutralize it is single
Member and discharging unit;
The feed unit include: feed surge tank, charging total pipeline, feed surge tank discharge pipe, enzyme tank feed pipe,
No. I valve, charging sampling valve, charging sampling pipe, the charging total pipeline are located at the top of the feed surge tank, it is described into
Material surge tank discharge pipe is located at the bottom of the feed surge tank, the charging sampling pipe by the charging sampling valve and
The charging total pipeline connection, the feed surge tank discharge pipe pass through No. I valve and the enzyme tank feed pipe
Connection;
The liquefaction unit includes: enzyme tank, flowmeter, enzyme tank discharge pipe, acid adding tank feed pipe, No. II valve, enzyme
Storage tank, adjustable metered pump, enzyme pipeline, enzyme valve, the flowmeter are mounted on the end of the enzyme tank feed pipe, institute
The bottom that enzyme tank discharge pipe is located at the enzyme tank is stated, the adjustable metered pump is mounted on the starting of the enzyme pipeline
End, the enzyme pipeline are located at the top of the enzyme tank, the enzyme tank discharge pipe pass through No. II valve with it is described
The connection of acid adding tank feed pipe, the enzyme storage tank is connected to by the enzyme pipeline with the enzyme tank, and the enzyme pipeline
On be provided with the enzyme valve;
The neutralisation unit includes: acid adding tank, acid adding tank discharge pipe, discharging surge tank feed pipe, No. III valve, acid storage
Tank, acid adding pipeline, online PH detection and controller, PH probe, automatical dosing pump, the acid adding tank discharge pipe are located at described add
The bottom of sour tank, the PH probe are located at below the side of the acid adding tank, and the acid adding pipeline is located at the top of the acid adding tank
Portion, the online PH is detected and controller is pumped with the automatical dosing and the PH probe is connect, the automatical dosing pump and institute
Acid storage tank connection is stated, the acid adding tank discharge pipe is connected to by No. III valve with the discharging surge tank feed pipe,
The acid storage tank is connected to by the acid adding pipeline with the acid adding tank;
The discharging unit includes: discharging surge tank, discharging surge tank discharge pipe, No. IV three-dimensional valve, discharging pump, discharges always
Pipeline, discharging sampling valve, discharging sampling pipe, the discharging surge tank discharge pipe are located at the bottom of the discharging surge tank,
The discharging pump is mounted on the starting point in the discharge header pipe road, and the discharging surge tank discharge pipe passes through No. IV three-dimensional
Valve is connected to the discharge header pipe road, and the discharging sampling pipe is connected by the discharging sampling valve and the discharge header pipe road
It connects.
8. the continuous liquefied device of citric acid neutralizing tank according to claim 7, which is characterized in that the feed unit is also
Including the feed surge tank agitating device inside the feed surge tank is arranged in;The liquefaction unit further includes being arranged described
Enzyme tank agitating device inside enzyme tank, and the enzyme tank distributing device being connected to the enzyme pipeline, the enzyme tank cloth
Glassware is mounted on the inner top of the enzyme tank;The neutralisation unit further includes that the acid adding tank being arranged in inside the acid adding tank stirs
Device is mixed, and the acid adding tank distributing device being connected to the acid adding pipeline, the acid adding tank distributing device are mounted on the acid adding tank
Inner top;The discharging unit further includes the discharging surge tank agitating device being arranged in inside the discharging surge tank.
9. the continuous liquefied device of citric acid neutralizing tank according to claim 7 or 8, which is characterized in that the charging is single
Member further includes No. I three-dimensional valve being arranged on the feed surge tank discharge pipe, and the liquefaction unit further includes that setting exists
No. II three-dimensional valve on the enzyme tank discharge pipe, the neutralisation unit further include being arranged in the acid adding tank discharge pipe
On No. III three-dimensional valve, the discharging unit further include be arranged in it is described discharging surge tank discharge pipe on No. IV three-way valve
Door.
10. the continuous liquefied device of citric acid neutralizing tank according to claim 9, which is characterized in that further include: blowdown list
Member, the sewage unit include: feed surge tank blow down branch, enzyme tank blow down branch, acid adding tank blow down branch, discharging buffering
Tank blow down branch, sewage general pipeline, sewage draining exit, the feed surge tank blow down branch by No. I three-dimensional valve with it is described
The connection of feed surge tank discharge pipe, the enzyme tank blow down branch are discharged by No. II three-dimensional valve and the enzyme tank
Pipeline connection, the acid adding tank blow down branch is connected to by No. III three-dimensional valve with the acid adding tank discharge pipe, described
Discharging surge tank blow down branch is connected to by No. IV three-dimensional valve with the discharging surge tank discharge pipe, and the blowdown is total
Pipeline is by the feed surge tank blow down branch, the enzyme tank blow down branch, the acid adding tank blow down branch and the discharging
Surge tank blow down branch links together, and the sewage draining exit is located at the end of the sewage general pipeline.
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CN201910500731.5A CN110184309A (en) | 2019-06-10 | 2019-06-10 | Citric acid neutralizing tank continuously liquefied process and device |
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Cited By (1)
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CN114085139A (en) * | 2021-10-27 | 2022-02-25 | 莱芜泰禾生化有限公司 | Method and device for continuous neutralization of citric acid neutralization tank |
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CN114085139A (en) * | 2021-10-27 | 2022-02-25 | 莱芜泰禾生化有限公司 | Method and device for continuous neutralization of citric acid neutralization tank |
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