CN212881893U - Membrane filtration device for impurity removal of saccharification liquid in glucose production - Google Patents
Membrane filtration device for impurity removal of saccharification liquid in glucose production Download PDFInfo
- Publication number
- CN212881893U CN212881893U CN202021328651.0U CN202021328651U CN212881893U CN 212881893 U CN212881893 U CN 212881893U CN 202021328651 U CN202021328651 U CN 202021328651U CN 212881893 U CN212881893 U CN 212881893U
- Authority
- CN
- China
- Prior art keywords
- group
- membrane filters
- stage
- primary
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a membrane filtering device for removing impurities from saccharification liquid in glucose production, which comprises a pre-filtering buffer tank, a primary filtering component, a transfer tank, a secondary filtering component and a post-filtering storage tank which are sequentially communicated, wherein the primary filtering component comprises a first group of primary membrane filters, a second group of primary membrane filters and a third group of primary membrane filters which are connected in parallel, and a primary concentrated phase tank and a primary cleaning water tank which are connected in series with the first group of primary membrane filters, the second group of primary membrane filters and the third group of primary membrane filters; the second-stage filtering component comprises a first group of second-stage membrane filters, a second group of second-stage membrane filters and a third group of second-stage membrane filters which are connected in parallel, and a second-stage concentrated phase tank and a second-stage cleaning water tank which are connected with the first group of second-stage membrane filters, the second group of second-stage membrane filters and the third group of second-stage membrane filters in series. The utility model discloses can reduce the loss of diatomaceous earth, active carbon in the follow-up technology, slow down ion exchange resin's failure time, reduction in production cost improves product quality.
Description
Technical Field
The utility model belongs to starch sugar production field, concretely relates to membrane filter equipment is used in saccharification liquid edulcoration among starch sugar especially glucose production.
Background
In the glucose production process, starch milk passes through a liquefaction and saccharification working section to obtain a saccharification liquid with the glucose content of about 95%, and in addition, 5% of components contain a large amount of impurities, so the impurities are required to be removed. The currently and commonly used method for removing impurities from a saccharification liquid comprises the steps of removing solid impurities by a rotary drum and diatomite as a filter aid, and then performing a series of refining processes such as decolorization and ion exchange. However, the rotary drum filtration has the defects that only large molecules and solid impurities can be removed, and the removal effect on some soluble impurities with small molecules is not good, so that the failure time of activated carbon and ion exchange resin in the subsequent working section is shortened, and waste is not caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: compared with the rotary drum equipment in the prior art, the membrane filtering device for removing impurities from the saccharified liquid in the glucose production can greatly improve the filtering quality of the saccharified liquid, reduce the loss of diatomite and active carbon in the subsequent process, slow down the failure time of ion exchange resin and reduce the production cost.
In order to solve the technical problem, the technical scheme of the utility model is that:
a membrane filtering device for removing impurities from saccharified liquid in glucose production comprises a pre-filtering buffer tank, a primary filtering component, a transfer tank, a secondary filtering component and a post-filtering storage tank which are sequentially communicated through a pipeline and a valve, wherein the primary filtering component comprises a first group of primary membrane filters, a second group of primary membrane filters and a third group of primary membrane filters which are connected in parallel, and a primary concentrated phase tank and a primary cleaning water tank which are mutually connected in series with the first group of primary membrane filters, the second group of primary membrane filters and the third group of primary membrane filters which are connected in parallel; the second-stage filtering component comprises a first group of second-stage membrane filters, a second group of second-stage membrane filters and a third group of second-stage membrane filters which are connected in parallel, and a second-stage concentrated phase tank and a second-stage cleaning water tank which are connected in series with the first group of second-stage membrane filters, the second group of second-stage membrane filters and the third group of second-stage membrane filters which are connected in parallel.
Preferably, the pre-filtering buffer tank is arranged behind the saccharification tank in the previous process, a screen is arranged between the pre-filtering buffer tank and the saccharification tank, large-particle impurities are screened out through the screen, and a valve is arranged in front of the screen to control the flow of the saccharification liquid; the first-stage concentrated phase tank is communicated to a pipeline in front of the screen through a return pipeline; this allows the concentrated phase to be filtered again, thereby further improving the yield of the saccharified solution.
Preferably, the primary cleaning water tank is respectively connected to the lower parts of the first group of primary membrane filters, the second group of primary membrane filters and the third group of primary membrane filters through pipelines and valves. The membranes in each filter were cleaned by a water pump.
Preferably, membranes in the first group of first-stage membrane filters, the second group of first-stage membrane filters and the third group of first-stage membrane filters are ceramic membranes and are used for separating impurities with large molecular weight in the saccharification liquid, two groups of membranes are ensured to operate at the same time, and one group of membranes is cleaned for standby use, so that the production continuity is ensured; each group of filters is provided with a material inlet, a concentrated phase outlet and a material outlet, and the material inlet is communicated with a pre-filtering liquid outlet of the pre-filtering buffer tank through a pipeline and a valve; the material outlet is communicated with the material inlet of the transfer tank through a pipeline and a valve; the concentrated phase outlet is communicated with the concentrated phase inlet of the first-stage concentrated phase tank through a pipeline and a valve.
Preferably, the first-stage concentrated phase tank is provided with a bottom discharge pipeline, and concentrated phases can be subjected to other treatments at intervals as required.
Preferably, the membranes in the first group of secondary membrane filters, the second group of secondary membrane filters and the third group of secondary membrane filters are organic nanofiltration membranes. The method is used for separating impurities with small molecular content in the sugar solution and polysaccharide which is not saccharified completely in the sugar solution. Meanwhile, two groups of operation are ensured, and one group is cleaned for standby, so that the production continuity is ensured; each group of filters is provided with a material inlet, a concentrated phase outlet and a material outlet, and the material inlet is communicated with a saccharified liquid outlet of the transfer tank through a pipeline and a valve; the material outlet is communicated with the material inlet of the filtered storage tank through a pipeline and a valve; the concentrated phase outlet is communicated with the concentrated phase inlet of the second-stage concentrated phase tank through a pipeline and a valve.
Preferably, the secondary cleaning water tank is connected to the lower parts of the first set of secondary membrane filters, the second set of secondary membrane filters and the third set of secondary membrane filters through pipelines and valves respectively. The second-level concentrated phase tank is provided with a bottom discharge pipeline, and other treatments can be carried out on the concentrated phase at intervals according to requirements.
Preferably, the pipeline is provided with a valve and a pressure gauge for controlling and detecting the filtering pressure of the saccharification liquid.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a to the dual membrane filtration of saccharification liquid, improved the product quality of glucose greatly, removed partial pigment and most impurity through membrane filtration moreover, can reduce the use of follow-up decoloration process active carbon, and avoided the use of diatomaceous earth basically, the input cost and the waste disposal cost that have significantly reduced, energy-concerving and environment-protective. And partial polysaccharide can be intercepted through the filtration of the secondary membrane filter, so that the DX value of the product is improved.
Therefore, the utility model discloses can reduce the loss of diatomaceous earth, active carbon in the follow-up technology, slow down ion exchange resin's failure time, reduction in production cost improves product quality.
Drawings
Fig. 1 is a schematic flow diagram of an embodiment of the present invention;
in the figure, 1, a buffer tank before filtration; 2. a first set of primary membrane filters; 3. a second set of primary membrane filters; 4. a third set of primary membrane filters; 5. a transfer tank; 6. a first-stage cleaning water tank; 7. a first set of secondary membrane filters; 8. a second set of secondary membrane filters; 9. a third set of secondary membrane filters; 10. storing the filtered liquid in a storage tank; 11. a secondary cleaning water tank; 12. a first-stage concentrated phase tank; 13. a secondary concentrated phase tank; 14. and (4) screening.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
The first embodiment is as follows:
as shown in fig. 1, a membrane filtration device for removing impurities from a saccharification liquid in glucose production comprises a pre-filtration buffer tank 1, a primary filtration component (not shown), a transfer tank 5, a secondary filtration component (not shown) and a post-filtration storage tank 10 which are sequentially communicated through a pipeline and a valve, wherein the primary filtration component comprises a first group of primary membrane filters 2, a second group of primary membrane filters 3 and a third group of primary membrane filters 4 which are connected in parallel with each other, and a primary concentrated phase tank 12 and a primary cleaning water tank 6 which are connected in series with the first group of primary membrane filters, the second group of primary membrane filters and the third group of primary membrane filters; the secondary filtering component comprises a first group of secondary membrane filters 7, a second group of secondary membrane filters 8 and a third group of secondary membrane filters 9 which are connected in parallel, and a secondary concentrated phase tank 13 and a secondary cleaning water tank 11 which are connected with the first group of secondary membrane filters 7, the second group of secondary membrane filters 8 and the third group of secondary membrane filters 9 in series.
The pre-filtering buffer tank 1 is arranged behind a saccharification tank (not shown) in the previous process, a screen 14 is arranged between the pre-filtering buffer tank 1 and the saccharification tank, and a valve (not shown) is arranged in front of the screen 14; the primary dense phase tank 12 is connected to the front pipeline of the screen 14 through a return pipeline.
Bottom discharge pipelines (not shown) are arranged at the bottoms of the first-stage concentrated phase tank 12 and the second-stage concentrated phase tank 13.
During actual production, after large-particle impurities are screened by a screen, the saccharified liquid enters a pre-filtration buffer tank 1 through a pipeline, and then is pressurized and pumped into a first group of first-stage membrane filters 2, a second group of first-stage membrane filters 3 and a third group of first-stage membrane filters 4 through a first-stage filter membrane feeding pump (not shown) for filtration (two of the first-stage membrane filters operate and one of the second-stage membrane filters is standby), wherein a pre-membrane concentrated phase liquid enters a first-stage concentrated phase tank 12, and then flows back to the front of the screen from the first-stage concentrated phase tank 12 through a backflow pipeline to prepare for entering the first-stage filtration again. The filtered solution enters a transfer tank 5. In the operation process, the first group of first-stage membrane filter 2, the second group of first-stage membrane filter 3 and the third group of first-stage membrane filter 4 are provided with a first-stage membrane filtration backwashing water outlet valve (not marked), the first-stage membrane filter backwashing valve (not marked) is closed, the first-stage membrane filtration water outlet valve (not marked) is fully opened, the feeding pressure is controlled by controlling a first-stage feeding valve (not marked) and a first-stage concentrated-phase backflow valve (not marked), and the pressure change is observed by a first-stage membrane front pressure gauge (not marked) and a first-stage membrane rear pressure gauge (not marked).
The saccharification liquid in the transfer tank 5 is pumped into a first group of secondary membrane filters 7, a second group of secondary membrane filters 8 and a third group of secondary membrane filters 9 for filtration (two of the two are operated and one is reserved), wherein the concentrated phase liquid before membrane enters a secondary concentrated phase tank 13, and then flows back to the transfer tank 5 from the secondary concentrated phase tank 13 through a return pipeline. The filtered solution enters a filtered storage tank 10. In the operation process, second grade membrane filtration backwash delivery valve (not marked), second grade membrane filter backwash valve (not marked) are closed, and second grade membrane filtration delivery valve (not marked) is wide-open, controls feed pressure through control second grade feed valve (not marked), second grade dense phase backwash valve (not marked), through manometer before the second grade membrane (not marked), manometer behind the second grade membrane (not marked) observe pressure variation.
When the first-stage membrane filters in each group are backwashed, the first-stage feed valve, the first-stage concentrated-phase reflux valve and the second-stage membrane filtration backwashing valve are closed, the backwashing valve of the first-stage membrane filter and the backwashing water outlet valve of the first-stage membrane filter are fully opened, a backwashing pump is started to pump water in the first-stage cleaning water tank 6 into the membrane filters for backwashing, and backwashing water is discharged through the backwashing water outlet valve of the first-stage membrane filter.
When the second-stage membrane filters in each group are backwashed, the second-stage feed valve, the second-stage concentrated-phase reflux valve and the first-stage membrane filtration backwashing valve are closed, the second-stage membrane filter backwashing valve and the second-stage membrane filter backwashing water outlet valve are fully opened, a backwashing pump is started to pump water in the second-stage cleaning water tank 11 into the membrane filters for backwashing, and backwashing water is discharged through the second-stage membrane filter backwashing water outlet valve.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. The membrane filtering device for removing impurities from saccharification liquid in glucose production is characterized by comprising a pre-filtering buffer tank, a primary filtering assembly, a transfer tank, a secondary filtering assembly and a post-filtering storage tank which are sequentially communicated through a pipeline and a valve, wherein the primary filtering assembly comprises a first group of primary membrane filters, a second group of primary membrane filters and a third group of primary membrane filters which are mutually connected in parallel, and a primary concentrated phase tank and a primary cleaning water tank which are mutually connected in series with the first group of primary membrane filters, the second group of primary membrane filters and the third group of primary membrane filters which are mutually connected in parallel; the second-stage filtering component comprises a first group of second-stage membrane filters, a second group of second-stage membrane filters and a third group of second-stage membrane filters which are connected in parallel, and a second-stage concentrated phase tank and a second-stage cleaning water tank which are connected in series with the first group of second-stage membrane filters, the second group of second-stage membrane filters and the third group of second-stage membrane filters which are connected in parallel.
2. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: the pre-filtering buffer tank is arranged behind the saccharification tank in the previous process, and a screen is arranged between the pre-filtering buffer tank and the saccharification tank; the first-stage concentrated phase tank is communicated to a pipeline in front of the screen through a return pipeline.
3. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: the first-stage cleaning water tank is respectively connected to the lower parts of the first group of first-stage membrane filters, the second group of first-stage membrane filters and the third group of first-stage membrane filters through a pipeline and a valve.
4. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: and the membranes in the first group of first-stage membrane filters, the second group of first-stage membrane filters and the third group of first-stage membrane filters are ceramic membranes.
5. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: the first-stage concentrated phase tank is provided with a bottom discharge pipeline.
6. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: and the membranes in the first group of secondary membrane filters, the second group of secondary membrane filters and the third group of secondary membrane filters are all organic nanofiltration membranes.
7. The membrane filtration device for removing impurities from a saccharified solution in glucose production according to claim 1, comprising: the second-stage cleaning water tank is respectively connected to the lower parts of the first group of second-stage membrane filters, the second group of second-stage membrane filters and the third group of second-stage membrane filters through a pipeline and a valve; the second-stage concentrated phase tank is provided with a bottom discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021328651.0U CN212881893U (en) | 2020-07-08 | 2020-07-08 | Membrane filtration device for impurity removal of saccharification liquid in glucose production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021328651.0U CN212881893U (en) | 2020-07-08 | 2020-07-08 | Membrane filtration device for impurity removal of saccharification liquid in glucose production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212881893U true CN212881893U (en) | 2021-04-06 |
Family
ID=75285502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021328651.0U Active CN212881893U (en) | 2020-07-08 | 2020-07-08 | Membrane filtration device for impurity removal of saccharification liquid in glucose production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212881893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274884A (en) * | 2021-05-25 | 2021-08-20 | 重庆中轻装备有限公司 | Activated carbon ceramic membrane cross-flow filtration system and filtration backwashing process |
-
2020
- 2020-07-08 CN CN202021328651.0U patent/CN212881893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274884A (en) * | 2021-05-25 | 2021-08-20 | 重庆中轻装备有限公司 | Activated carbon ceramic membrane cross-flow filtration system and filtration backwashing process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2016992B1 (en) | Device and method for purifying cleaning fluids used in breweries | |
| CN102586361B (en) | Manufacturing method of glucose | |
| CN102803517B (en) | Method and plant for purifying a carbohydrate rich liquid | |
| CN212881893U (en) | Membrane filtration device for impurity removal of saccharification liquid in glucose production | |
| CN206298538U (en) | A kind of plant polyose processing device | |
| CN101812813A (en) | Method and device for treating paper-making black liquid acid-precipitation waste liquid film | |
| CN211963757U (en) | A receive and strain multistage continuous filtration system of formula membrane of book for purifying lactic acid | |
| CN102559940B (en) | Separation and purification method of glucose | |
| CN102399685A (en) | Finished product residual liquid recoverable post-extraction production line of enzyme preparation fermentation liquid | |
| CN210356162U (en) | Pipeline system of chamber type diaphragm filter press | |
| CN106045816B (en) | A kind of 1,3- propanediol fermentation liquors membrane filtration separation method | |
| CN113117409A (en) | Intelligent residual-settling backwashing cross-flow fruit wine fine filter | |
| AU2013300498A1 (en) | Method for producing sugar solution | |
| CN113385036A (en) | Classified recovery device and method for ultrafiltration drainage | |
| CN218115162U (en) | Lincomycin hydrochloride filtration system for zymotic fluid | |
| CN211411646U (en) | Inorganic membrane filter | |
| CN218786525U (en) | Mother liquor and washing water recovery system | |
| CN211799199U (en) | Candle type filter with filter cake layer | |
| CN112410474B (en) | Ion exchange decoloring water-saving process for refining sugar | |
| CN220736624U (en) | Non-blocking high-pressure filter with automatic cleaning and deslagging functions | |
| CN219950601U (en) | Pretreatment system for qualified liquid of lithium titanium adsorbent extracted from salt lake | |
| CN209906483U (en) | Combined device for recycling electroplating rinse water | |
| CN220245678U (en) | Solid-liquid separation system of iodine-containing acetic acid waste liquid | |
| CN203355466U (en) | Molecular sieve filtering equipment with cross-flow molecular sieve filtering device | |
| CN219462631U (en) | Vitamin K2 fermentation liquor filtering and impurity removing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A membrane filtration device for removing impurities from saccharification liquid in glucose production Effective date of registration: 20230918 Granted publication date: 20210406 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: SHANDONG SHENGTAI BIOTECHNOLOGY CO.,LTD. Registration number: Y2023980057333 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |