CN205740617U - A kind of processing means of embrane method clarification sugaring film-filter concentration liquid - Google Patents
A kind of processing means of embrane method clarification sugaring film-filter concentration liquid Download PDFInfo
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- CN205740617U CN205740617U CN201620380685.1U CN201620380685U CN205740617U CN 205740617 U CN205740617 U CN 205740617U CN 201620380685 U CN201620380685 U CN 201620380685U CN 205740617 U CN205740617 U CN 205740617U
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Abstract
A kind of processing means of embrane method clarification sugaring film-filter concentration liquid, container, the first firing equipment, gas liquid reaction tank, the second firing equipment, stirring storage juice container and pressure filter is tentatively mixed including the lime cream being sequentially connected with, also include that lime cream stores container, carbon dioxide air supply source and filter aid and stores container, lime cream storage container is connected simultaneously to lime cream and tentatively mixes container and gas-liquid retort, carbon dioxide air supply source is connected to gas liquid reaction tank, and filter aid stores container and is connected to stirring storage juice container.This utility model filtrate is used directly for Closed Circulation in Sugar Production, improves the economic benefit of embrane method clarification sugaring；The filter cake content of organic matter is enriched, can be as organic fertilizer raw material.This utility model has that technical process is simple, easily operated, equipment investment is few, energy consumption is low, filter aid low cost and the advantage such as do not pollute the environment.
Description
Technical field
This utility model relates to cane sugar manufacture field, the processing means of a kind of embrane method clarification sugaring film-filter concentration liquid.
Background technology
Guangxi is the main producing region of China's sugar, and yield accounts for more than the 60% of the whole nation, and current Guangxi cane sugar factory mainly uses sulfurous acid
Method produces white sugar, and the sulfur dioxide gas that this technique needs sulfur burning to produce makees clarification aid, therefore residual in white sugar product
Stay a certain amount of sulfur dioxide.GB317-2006 (white sugar) standard specifies, top grade white sugar residual sulfur dioxide≤15mg/kg.
Therefore, the residual of the sulfur in these white sugar goods largely have impact on quality raising and the range of application expansion of white sugar.
Membrane separation technique is a kind of high efficiency separation purification technique, and separation process, without phase transformation, can make each component in substance to be processed obtain
To separating, purifying or concentrate, product quality and energy efficient can be improved.In recent years, film application is developed rapidly, by embrane method
Clarification technique is applied to cane sugar manufacture technical process and also progresses into the visual field of people.Numerous studies show to use membrane filtration Caulis Sacchari sinensis clear
Juice, it is possible to obtain the Caulis Sacchari sinensis clear liquid of higher quality.But main research concentrates on application membrane filtration Caulis Sacchari sinensis subsider juice, does not has
It is capable of membrane separation technique and substitutes traditional chemical clarification technology completely.This seminar is devoted to answer film clarification technique in recent years
Use cane sugar manufacture process, use different pore size ceramic membrane directly filter Cane Mixed Juice, produce high-quality without sulfur sucrose,
Solve white sugar product sulfur dioxide, the food-safety problem of polyacrylamide monomer residue that tradition sugar refining technology exists.
Film-filter concentration liquid, when referring to membrane filtration clarified sugar cane mixed juice, bagasse in small, broken bits in mixed juice, earth, starch, polysaccharide,
Protein and macromole pathogenic bacterium etc. affect the harmful substance of sugarcane production white sugar cannot pass through film layer, the residual liquid being retained down.
For ensureing stablizing of membrane flux, in the technical process using ceramic membrane clarified sugar cane mixed juice, the volume of general control membrane filtration
Cycles of concentration is between 10～12；And use organic membrane to process in the technical process of Cane Mixed Juice, general control volume concentration times
Number is between 5～6.Therefore while producing membrane filtration high-quality clear juice, also can produce the film-filter concentration liquid of 10%～20%.Membrane filtration is dense
In contracting liquid white except affecting sugarcane production containing bagasse in small, broken bits, earth, starch, polysaccharide, protein and macromole pathogenic bacterium etc.
Beyond the harmful substance of sugar, possibly together with more Sucrose, if directly being discharged by concentrated solution, not only can be substantially reduced sugar refinery warp
Ji benefit, also will cause serious problem of environmental pollution.Therefore, film-filter concentration liquid, effective recovery are the most rationally processed wherein
Sucrose be the problem that membrance separation clarification technique is applied to that cane sugar manufacture process primarily solves.
Utility model content
In order to solve the problems referred to above, this utility model provides the processing means of a kind of embrane method clarification sugaring film-filter concentration liquid.
To achieve these goals, this utility model have employed techniques below scheme:
A kind of processing means of embrane method clarification sugaring film-filter concentration liquid,
Tentatively mix container, the first firing equipment, gas liquid reaction tank, the second firing equipment including the lime cream being sequentially connected with, stir
Mix storage juice container and pressure filter,
Also including that lime cream stores container, carbon dioxide air supply source and filter aid and stores container, lime cream stores container and is simultaneously connected with
Tentatively mix container and gas-liquid retort to lime cream, carbon dioxide air supply source is connected to gas liquid reaction tank, and filter aid stores container
It is connected to stirring storage juice container.
Described lime cream tentatively mixes the feeding mouth of container and is connected with the film-filter concentration liquid outlet of embrane method sugar clarification workshop section.
The filtrate (liquid of described pressure filter is connected to filtrate storage bin, and filtered solid outlet is connected to filter cake and stacks field.
It is 5～30 ° of Be that described lime cream stores the lime milk concentration stored in container.
The addition of described filter aid is the 1.5～3.5% of film-filter concentration liquid weight.
It is kieselguhr or sugar refinery bagasse and diatomaceous mixture that described filter aid stores the filter aid in container.
Described carbon dioxide air supply source is sugar refinery flue gas after udst separation.
The beneficial effects of the utility model are:
The filtrate brix that device described in the utility model obtains is between 14～18 ° of BX, and turbidity is between 8～50NTU, and purity exists
Between 65%～85%, colour, between 600～1500IU, is used directly for Closed Circulation in Sugar Production, the sucrose response rate be up to 96% with
On, the sugar in efficient recovery film-filter concentration liquid, thus improve the economic benefit of embrane method clarification sugaring；The obtained filter of the method
Cake moisture content, between 60%～70%, is 1.5%～1.8% to sugarcane ratio, and the content of organic matter is enriched, can be as organic fertilizer raw material.
This utility model has that technical process is simple, easily operated, equipment investment is few, energy consumption is low, filter aid low cost and will not be dirty
The advantages such as dye environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the processing means of embrane method described in the utility model clarification sugaring film-filter concentration liquid.
Detailed description of the invention
Below by embodiment, the technical solution of the utility model is further elaborated.
Embodiment 1
A kind of processing means of embrane method clarification sugaring film-filter concentration liquid,
Container the 2, first firing equipment 4, gas liquid reaction tank the 6, second firing equipment is tentatively mixed including the lime cream being sequentially connected with
7, stirring storage juice container 8 and pressure filter 12,
Also including that lime cream stores container 3, carbon dioxide air supply source 5 and filter aid and stores container 9, it is same that lime cream stores container 3
Time be connected to lime cream and tentatively mix container 2 and gas-liquid retort 6, carbon dioxide air supply source 5 is connected to gas liquid reaction tank 6, helps
Filtering agent stores container 9 and is connected to stirring storage juice container 8.
Described lime cream tentatively mixes the feeding mouth of container 2 and is connected with the film-filter concentration liquid outlet of embrane method sugar clarification workshop section 1.
The filtrate (liquid of described pressure filter 12 is connected to filtrate storage bin 11, and filtered solid outlet is connected to filter cake and stacks field 10.
Described carbon dioxide air supply source 5 is sugar refinery flue gas after udst separation.
Embodiment 2～7 is to utilize the processing equipment of embrane method described in the utility model clarification sugaring film-filter concentration liquid to carry out the reality produced
Example, concrete operation step is as follows:
Embodiment 2
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps:
Take the film-filter concentration liquid 1m that cycles of concentration is 10 that film clarifying process produces3, in film-filter concentration liquid, add 10 ° of Be for the first time
Lime cream regulation pH to 7.2, be then for the first time heated to 45 DEG C, then second time add the lime cream regulation pH of 10 ° of Be extremely
11.9；It is passed through carbon dioxide until pH=8.3；Second time be heated to 70 DEG C, add 20kg kieselguhr as filter aid,
Stir, be pumped to Filter Press, it is thus achieved that filtrate and filter cake.
The concrete operations of filter press process are: to pressure filter, the material pumping of above-mentioned addition filter aid is carried out filter pressing, for reality
The maximum withdrawal of existing sugar, filter pressing fetches water after terminating eluting filter cake sugar, and temperature of fetching water is 55 DEG C, and the amount of fetching water is 23.25kg.
After pressure-filtering process terminates, peel off filter cake, obtain filtrate and filter cake.Filtrate turbidity is 8.75NTU, and colour is 639IU, purity
73.28%；Filter cake quality is 155kg, is 15.5% to concentrated solution ratio, and filter cake is aqueous is divided into 60%, sugary is divided into 1.5%.Pressure
Filtering journey feed liquid strainability good, the rate of filtration is fast, it is possible to preferably forms cake layer, plays filtrating aid function；Filter cake moisture content
Low, it is easy to peel off filter cloth.Before and after material processes, indices is as shown in table 1.
The indices of material before and after table 1. process
It addition, for the effect verifying processing equipment core process parameter described in the utility model, also carried out two groups of contrast tests.
Each time of comparative example 1 test second time in embodiment 1 is added lime cream regulation pH be reduced to 11.3,11.1,11.0,
10.8 and 10.5, it is identical with embodiment 1 that remaining processes technique, and test result indicate that of comparative example 1, along with adding lime cream
The pH of regulation reduces, and the strainability of material is deteriorated, 1/3rd that inlet amount is total reduction of feed volume time, raw feed liquid is not
Can continue through filter cloth, it is impossible to well form cake layer, filter cake top half forms relatively thin mud layer, the latter half feed liquid heap
Long-pending, now feed pump automatically unloading, it is impossible to form complete filter cake, filter unsuccessfully.
Each time of comparative example 2 test the diatomaceous addition of filter aid in embodiment 1 is reduced to 12kg, 10,8,6kg,
It is identical with embodiment 1 that remaining processes technique, and test result indicate that of comparative example 2, along with subtracting of filter aid kieselguhr consumption
Few, diatomaceous bridge formation drainage effect is deteriorated, and causes the strainability of material to be deteriorated, and material can not filter completely, in inlet amount
For total inventory 1/3rd time, raw feed liquid can not continue through filter cloth, it is impossible to well forms cake layer, on filter cake
Half part forms relatively thin mud layer, and the latter half feed liquid is piled up, now feed pump automatically unloading, it is impossible to form complete filter cake,
Filter unsuccessfully.
Embodiment 3
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps: to take the concentration times that film clarifying process produces
Number is the film-filter concentration liquid of 10, adds for the first time the lime cream regulation pH to 7.2 of 10 ° of Be in film-filter concentration liquid, then the
One is heated to 45 DEG C, then second time adds the lime cream regulation pH to 11.5 of 10 ° of Be；It is passed through carbon dioxide, until
PH=8.3；Second time is heated to 70 DEG C, and the kieselguhr of addition film-filter concentration liquid weight 2%, as filter aid, stirs, pump
Deliver to Filter Press, it is thus achieved that filtrate and filter cake.
The concrete operations of filter press process are: by the material pumping after addition filter aid to pressure filter, carry out filter press.For
Realizing the recovery of sugar, filter pressing is fetched water after terminating eluting filter cake sugar, and temperature of fetching water is 55 DEG C, and the amount of fetching water is 150% to filter
Cake amount.After pressure-filtering process terminates, peel off filter cake, obtain filtrate and filter cake.Filter cake quality is 17.1% to concentrated solution ratio.Process
Front and back the indices of material is as shown in table 2.
The indices of material before and after table 2. process
| Index | Concentrated solution | Filtrate | Filter cake |
| pH | 6.8 | 8.28 | 8.2 |
| Brix | 18.5 | 16.5 | -- |
| Viscosity (μ/mpa.s) | 52 | 1.8 | -- |
| Turbidity (NTU) | 27200 | 28.8 | -- |
| Colloidal content (% is to material) | 4.2 | 0.04 | -- |
| Gu the most tolerant content (% is to material) | 5.5 | -- | -- |
| Colour (IU) | 2577 | 896 | -- |
| Letter purity (Ap) | 78.3 | 79.5 | |
| Pol (Pol) | 12.13 | 11.08 | -- |
| Filter cake quality (% is to concentrated solution) | -- | -- | 17.1 |
| Filter cake (% is to filter cake) Han sugar | -- | -- | 1.7 |
| Moisture (%) | -- | -- | 70 |
Embodiment 4
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps: to take the concentration times that film clarifying process produces
Number is the film-filter concentration liquid of 10, adds for the first time the lime cream regulation pH to 7.2 of 10 ° of Be in film-filter concentration liquid, then the
Once it is heated to 45 DEG C, then second time adds the lime cream regulation pH to 11.9 of 10 ° of Be；It is passed through carbon dioxide, until
PH=8.3；Second time is heated to 70 DEG C, adds the kieselguhr by film-filter concentration liquid weight 1% and the sugar of film-filter concentration liquid weight 1%
Factory's bagasse mixture, as filter aid, stirs, is pumped to Filter Press, it is thus achieved that filtrate and filter cake.
The concrete operations of filter press process are: the material pumping after adding filter aid carries out filter pressing to pressure filter, for realizing sugar
Point maximum withdrawal, filter pressing fetches water after terminating eluting filter cake sugar, and temperature of fetching water is 55 DEG C, and the amount of fetching water is 150% pair of filter cake
Amount.Filter pressing peels off filter cake after terminating, and obtains filtrate and filter cake.Filter cake quality is 16.0% to concentrated solution ratio.Material before and after process
Indices as shown in table 3.
The indices of material before and after table 3. process
| Index | Concentrated solution | Filtrate | Filter cake |
| pH | 6.9 | 8.3 | 8.2 |
| Brix | 18.9 | 16.2 | -- |
| Viscosity (μ/mpa.s) | 58 | 1.6 | -- |
| Turbidity (NTU) | 30002 | 30.5 | -- |
| Colloidal content (% is to material) | 4.5 | 0.04 | -- |
| Gu the most tolerant content (% is to material) | 5.6 | -- | -- |
| Colour (IU) | 2890 | 726 | -- |
| Letter purity (Ap) | 78.5 | 79.5 | -- |
| Pol (Pol) | 13.31 | 11.58 | -- |
| Filter cake quality (% is to concentrated solution) | -- | -- | 16 |
| Filter cake (% is to filter cake) Han sugar | -- | -- | 1.6 |
| Moisture (%) | -- | -- | 67 |
Embodiment 5
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps:
In film-filter concentration liquid, add lime cream regulation pH to 7.5 for the first time, be then heated to 55 DEG C for the first time, then second time
Add lime cream regulation pH to 13.0；It is passed through carbon dioxide until pH=8.4；Second time is heated to 80 DEG C, adds drainage
Agent, stirs, and delivers to Filter Press, it is thus achieved that filtrate and filter cake.
Described lime milk concentration is 30 ° of Be.
The addition of described filter aid is the 3.5% of film-filter concentration liquid weight.
Embodiment 6
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps:
In film-filter concentration liquid, add lime cream regulation pH to 7.0 for the first time, be then heated to 45 DEG C for the first time, then second time
Add lime cream regulation pH to 11.5；It is passed through carbon dioxide until pH=8.2；Second time is heated to 70 DEG C, adds drainage
Agent, stirs, and delivers to Filter Press, it is thus achieved that filtrate and filter cake.
Described lime milk concentration is 5 ° of Be.
The addition of described filter aid is the 1.5～3.5% of film-filter concentration liquid weight.
Described filter aid is kieselguhr or sugar refinery bagasse and diatomaceous mixture.
Embodiment 7
The processing method of a kind of embrane method clarification sugaring film-filter concentration liquid, comprises the steps:
Obtain film-filter concentration liquid from embrane method sugar clarification workshop section 1, in film-filter concentration liquid, add lime cream regulation pH for the first time extremely
7.2, this step is carried out in lime cream tentatively mixes container 2,
Then utilize the first firing equipment 4 to carry out for the first time and be heated to 50 DEG C,
Second time adds lime cream regulation pH to 12 again, is passed through carbon dioxide until pH=8.3；This step is in gas liquid reaction
Tank 6 is carried out；
Utilize the second firing equipment 7 second time to be heated to 75 DEG C, be then fed in stirring storage juice container 8, add filter aid, stir
Mixing uniformly, filter aid stores container 9 from filter aid,
Deliver to Filter Press, it is thus achieved that filtrate and filter cake.
Described lime milk concentration is 20 ° of Be.
The addition of described filter aid is the 2.5% of film-filter concentration liquid weight.
Claims (7)
1. the processing means of an embrane method clarification sugaring film-filter concentration liquid, it is characterised in that
Tentatively mix container, the first firing equipment, gas liquid reaction tank, the second firing equipment including the lime cream being sequentially connected with, stir
Mix storage juice container and pressure filter,
Also including that lime cream stores container, carbon dioxide air supply source and filter aid and stores container, lime cream stores container and is simultaneously connected with
Tentatively mix container and gas-liquid retort to lime cream, carbon dioxide air supply source is connected to gas liquid reaction tank, and filter aid stores container
It is connected to stirring storage juice container.
2. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that at the beginning of described lime cream
The feeding mouth of step mixing container exports with the film-filter concentration liquid of embrane method sugar clarification workshop section and is connected.
3. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that described pressure filter
Filtrate (liquid is connected to filtrate storage bin, and filtered solid outlet is connected to filter cake and stacks field.
4. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that described lime cream stores up
Depositing the lime milk concentration stored in container is 5～30 ° of Be.
5. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that described filter aid
Addition is the 1.5～3.5% of film-filter concentration liquid weight.
6. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that described filter aid stores up
Depositing the filter aid in container is kieselguhr or sugar refinery bagasse and diatomaceous mixture.
7. embrane method clarifies the processing means of sugaring film-filter concentration liquid as claimed in claim 1, it is characterised in that described carbon dioxide
Air supply source is sugar refinery flue gas after udst separation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906117A (en) * | 2016-04-29 | 2016-08-31 | 广西大学 | Treatment method and apparatus for membrane filtration concentrate for membrane-process clarification sugar production |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906117A (en) * | 2016-04-29 | 2016-08-31 | 广西大学 | Treatment method and apparatus for membrane filtration concentrate for membrane-process clarification sugar production |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |