CN114381556B - High fructose syrup does not have native carbonless filtration system - Google Patents
High fructose syrup does not have native carbonless filtration system Download PDFInfo
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- CN114381556B CN114381556B CN202111571596.7A CN202111571596A CN114381556B CN 114381556 B CN114381556 B CN 114381556B CN 202111571596 A CN202111571596 A CN 202111571596A CN 114381556 B CN114381556 B CN 114381556B
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- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 235000021433 fructose syrup Nutrition 0.000 title claims description 29
- 239000007788 liquid Substances 0.000 claims abstract description 217
- 239000002893 slag Substances 0.000 claims abstract description 102
- 229930091371 Fructose Natural products 0.000 claims abstract description 88
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 claims abstract description 88
- 239000005715 Fructose Substances 0.000 claims abstract description 88
- 239000006188 syrup Substances 0.000 claims abstract description 49
- 235000020357 syrup Nutrition 0.000 claims abstract description 49
- 238000005374 membrane filtration Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims description 4
- BJHIKXHVCXFQLS-UYFOZJQFSA-N fructose group Chemical group OCC(=O)[C@@H](O)[C@H](O)[C@H](O)CO BJHIKXHVCXFQLS-UYFOZJQFSA-N 0.000 claims description 3
- 239000000047 product Substances 0.000 abstract description 8
- 239000000706 filtrate Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- PJVXUVWGSCCGHT-ZPYZYFCMSA-N (2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanal;(3s,4r,5r)-1,3,4,5,6-pentahydroxyhexan-2-one Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O.OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)CO PJVXUVWGSCCGHT-ZPYZYFCMSA-N 0.000 abstract description 3
- 102000004169 proteins and genes Human genes 0.000 description 18
- 108090000623 proteins and genes Proteins 0.000 description 18
- 230000002093 peripheral effect Effects 0.000 description 16
- 238000005457 optimization Methods 0.000 description 14
- 229920001353 Dextrin Polymers 0.000 description 12
- 239000004375 Dextrin Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 12
- 235000019425 dextrin Nutrition 0.000 description 12
- 239000013049 sediment Substances 0.000 description 12
- 239000004519 grease Substances 0.000 description 10
- 239000002002 slurry Substances 0.000 description 8
- 238000005352 clarification Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019534 high fructose corn syrup Nutrition 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K11/00—Fructose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/06—Glucose; Glucose-containing syrups obtained by saccharification of starch or raw materials containing starch
- C13K1/08—Purifying
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of light industry and chemical biology, in particular to a fructose glucose syrup soilless and carbon-free filtering system, which comprises a fructose saccharification tank, wherein the upper end of the fructose saccharification tank is a syrup input end and is connected with a syrup input structure; the middle part of the fructose saccharification tank is provided with a first clarified liquid outlet and is connected with the input end of the membrane filtration equipment, the lower end surface of the fructose saccharification tank is provided with a first slag liquid outlet and is connected with the input end of the plate frame filter, the output end of the plate frame filter is connected with the input end of the clarified liquid tank, and the middle part and the lower end surface of the clarified liquid tank are respectively provided with a second clarified liquid outlet and a second slag liquid outlet and are respectively connected with the input end of the membrane filtration equipment and the input end of the plate frame filter; a filtrate outlet is provided on the membrane filtration device to output filtrate. The invention has the advantages of better saving cost, better filtering and removing impurities to improve the filtering quality, and better improving the quality of filter residues to make the value of the accessory products of the filter residues higher.
Description
Technical Field
The invention relates to the technical field of light industry and chemical biotechnology, in particular to a soil-free and carbon-free filter system for high fructose syrup.
Background
The high fructose corn syrup is prepared by hydrolyzing and isomerizing plant starch, and is an important sweetener. The production of the high fructose syrup is not limited by regions and seasons, the equipment is simpler, and the investment cost is lower. Because its composition is mainly fructose and glucose; therefore, the high fructose corn syrup is called as high fructose corn syrup. The liquid is colorless and viscous, has good fluidity at normal temperature and has no odor. The fructose-glucose syrup mainly comprises glucose and fructose. Fructose syrup is divided into three national standards according to the content of fructose, namely fructose syrup (F42) contains 42% of fructose; fructose syrup (F55 type) contains fructose 55%; fructose syrup (F90) contained 90% fructose. The sweetness of the high fructose syrup is positively related to the fructose content, and the third-generation high fructose syrup can achieve certain sweetness by using a small amount of high fructose syrup in food.
In the traditional high fructose syrup filtering system, a large amount of filter aids (active carbon and perlite) are needed to assist in filtering out impurities in sugar liquor, the process has high dependence on the filter aids, the use amount of the auxiliary agents is large, and the auxiliary material cost is high. In addition, the filter aid has the risks of penetrating through a filter layer, causing sugar liquid pollution and the like. Meanwhile, impurities such as grease, protein and the like in the sugar solution cannot be removed, and the quality of products is affected. As substances such as filter aid, active carbon and the like are added into the sugar solution, when the substances are squeezed by a filter, the filter cake is not well formed, and the selling price of filter residues is influenced.
Therefore, how to provide a high fructose syrup soilless and carbon-free filtration system which can better save cost, can better filter and remove impurities to improve the filtration quality, and can better improve the quality of filter residues to ensure that the value of the accessory product of the filter residues is higher becomes a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a high fructose syrup soilless and carbon-free filtration system which can better save cost, can better filter and remove impurities to improve the filtration quality, and can better improve the quality of filter residues to make the accessory products of the filter residues have higher value.
In order to achieve the aim, the invention provides a fructose glucose syrup soilless and carbon-free filtering system which comprises a fructose saccharification tank, wherein the upper end of the fructose saccharification tank is a syrup input end and is connected with a syrup input structure; the device is characterized in that a first clarified liquid outlet is arranged in the middle of the fructose saccharification tank and is connected with the input end of the membrane filtration equipment, a first slag liquid output port is arranged on the lower end surface of the fructose saccharification tank and is connected with the input end of the plate frame filter, the output end of the plate frame filter is connected with the input end of the clarified liquid tank, and a second clarified liquid outlet and a second slag liquid output port are respectively arranged in the middle and the lower end surface of the clarified liquid tank and are respectively connected with the input end of the membrane filtration equipment and the input end of the plate frame filter; a filtrate outlet is provided on the membrane filtration device to output filtrate.
The applicant has found through analysis of the residues in the syrup that the residues in the syrup mainly comprise proteins, oils and dextrins, and that the proteins are less dense, typically distributed in the upper layer of the syrup, and the oils and dextrins are more dense, typically precipitated in the lower layer of the syrup, as a result of their respective analysis and repeated observations. Like this, foretell fructose syrup soilless carbonless filtration system is at the during operation, and syrup is imported its inside from fructose saccharification jar upper end, and the sediment liquid of syrup inside includes protein, grease and dextrin, and after standing, the protein can float in the top of syrup, and grease and dextrin can deposit at the lower floor of syrup, and the sugar sediment that middle level part contains is few, through be equipped with first clarified liquid export and link to each other with membrane filtration equipment input with fructose saccharification jar middle part, discharges the liquid in syrup middle level to membrane filtration equipment and accomplish once filtration and just can obtain the thick liquid that needs. The lower end of the fructose saccharification tank is provided with a first residue liquid output port and is connected with the input end of the plate-frame filter, and the filtered residue liquid is conveyed into the clarified liquid tank after the first filtration is finished, so that the slurry is kept still again and layered, the protein left after the first filtration is distributed on the upper layer of the slurry, grease and dextrin are deposited on the lowest layer of the clarified liquid tank, and the clarified liquid in the middle layer is conveyed to the membrane filtration equipment to be filtered, so that the needed slurry is obtained. And conveying the part at the lower end of the clarified liquid tank to a plate-frame filter again for treatment. In the above system, the applicant found and analyzed the components of the syrup residue, and designed the system for the structure analyzed. The system is used for treating the slurry, so that the problem of large use amount of the filter aid in the traditional high fructose syrup filter system is solved; the reagent cost can be better saved. Solves the problem of risk of sugar liquid pollution caused by leakage of a filter aid in the traditional high fructose syrup filter system; therefore, the obtained filter residue does not contain any reagent, cannot be polluted, and can improve the quality of the filter residue byproducts. And the system can be used for better and more comprehensively filtering out proteins, grease, dextrin and the like, so that the product quality is improved.
As optimization, the device also comprises a fructose slag pot, and the first slag liquid output port and the second slag liquid output port are connected with the input end of the fructose slag pot, and the output end of the fructose slag pot is connected with the input end of the plate frame filter.
Like this, among the above-mentioned system, still be provided with the fructose slag pot for first sediment liquid delivery outlet and second sediment liquid delivery outlet link to each other with fructose slag pot input, and fructose slag pot output links to each other with the frame filter input, and lower floor's thick liquid all passes through the fructose slag pot, can be better intercept the filter residue, makes the syrup quality that obtains better.
As optimization, the first slag liquid output port and the second slag liquid output port are respectively connected with a first slag liquid conveying pipeline and a second slag liquid conveying pipeline, the input end of the fructose slag tank is connected with a slag liquid input pipeline, and the first slag liquid conveying pipeline and the second slag liquid conveying pipeline are connected with the far end of the slag liquid input pipeline; and a fructose residue pump is arranged on the residue liquid input pipeline.
Therefore, the connection between the first slag liquid output port and the second slag liquid output port and the fructose slag tank is more reasonable, and the conveying can be completed by adopting one fructose slag pump, so that the purpose of saving components can be achieved.
Further, the first slag liquid conveying pipeline, the second slag liquid conveying pipeline and the slag liquid input pipeline are respectively provided with a cut-off valve. This is more convenient to control.
As optimization, the output end of the fructose slag pot is connected with the input end of the plate-frame filter through a first slag liquid output pipeline, and a filter feed pump is arranged on the first slag liquid output pipeline.
Like this, through link to each other through the first output pipeline of sediment liquid between the fructose slag pot output and the plate frame filter input, be provided with the filter feed pump on the first output pipeline of sediment liquid again, the structure is simpler.
Further, a filter cut-off valve is also arranged on the slag liquid first output pipeline. This is more convenient to control.
As optimization, a first clarified liquid conveying pipeline is arranged between the first clarified liquid outlet and the input end of the membrane filtering equipment, a fructose clarified sugar pump is arranged on the first clarified liquid conveying pipeline, a first electric control valve is arranged between the fructose clarified sugar pump on the first clarified liquid conveying pipeline and the first clarified liquid outlet, a first liquid level meter is arranged in the fructose saccharification tank, and the signal output end of the first liquid level meter is connected with the electric control end of the first electric control valve.
Like this, through setting up first clear liquid pipeline, be equipped with the clear sugar pump of fructose on first clear liquid pipeline, the position on the clear liquid pipeline of fructose clear sugar pump and the clear liquid export between be equipped with first automatically controlled valve, be equipped with first level gauge in the fructose saccharification jar, make the signal output part of first level gauge link to each other with the automatically controlled end of first automatically controlled valve again for can monitor the liquid level in the fructose saccharification jar, when the liquid level is less than the preset position, first automatically controlled valve is closed, the protein of upper strata is taken away to the next filtration step of avoiding that can be better. Thereby enabling quality to be improved.
As optimization, a second clarified liquid conveying pipeline is connected to the second clarified liquid outlet, and the far end of the second clarified liquid conveying pipeline is connected to the position in front of the fructose clear sugar pump conveying inlet on the first clarified liquid conveying pipeline; the second clarified liquid conveying pipeline is provided with a second electric control valve, a second liquid level meter is arranged in the clarified liquid tank, and the signal output end of the second liquid level meter is connected with the electric control end of the second electric control valve.
Therefore, the liquid level in the clarified liquid tank can be monitored by arranging the second clarified liquid conveying pipeline, the second electric control valve and the second liquid level meter, and when the liquid level is lower than a preset position, the second electric control valve is closed, so that the upper layer of protein is prevented from being taken away to the next filtering step. Thereby enabling quality to be improved.
As optimization, the syrup inlet is arranged on the upper end face of the fructose saccharification tank, a syrup inlet pipe is arranged on the syrup inlet, and a cut-off valve is arranged on the syrup inlet pipe.
Therefore, by arranging the syrup input pipe, syrup is more conveniently input into the fructose saccharification tank.
As optimization, the plate frame filter is provided with a slag discharge port, a slag discharge pipeline is arranged on the slag discharge port, and a blow-down valve is arranged on the slag discharge pipeline.
Like this, the design is more reasonable, can be better discharge the filter residue.
Further, the fructose saccharification tank comprises a saccharification tank body, a circle of annular first liquid discharge pipes are arranged on the bottom surface of the interior of the saccharification tank body at intervals vertically upwards in the saccharification tank body, the section of each first liquid discharge pipe is in a rectangular structural design, a circle of annular first inner grooves and annular first outer grooves are respectively arranged on the inner peripheral surface and the outer peripheral surface of each first liquid discharge pipe, a plurality of first through holes and a plurality of second through holes are respectively arranged on the bottom surface of each first inner groove and the bottom surface of each first outer groove, and a layer of filter gauze is respectively adhered to the bottom surfaces of each first inner groove and each first outer groove; the first liquid discharge pipe is also connected with a first output pipe, and the far end of the first output pipe is connected and arranged on the first clarified liquid outlet.
Like this, through set up round annular first fluid-discharge tube in saccharification jar body, set up round annular first inner groovy and first outer groovy respectively at first fluid-discharge tube inner peripheral face and outer peripheral face, be equipped with a plurality of first through-holes and second through-holes respectively at first inner groovy and first outer groovy bottom surface, again at first inner groovy and first outer groovy bottom surface subsides respectively and be equipped with one deck filtration gauze mutually, make when discharging the clarified liquid, first fluid-discharge tube inboard and outside get into the clarified liquid simultaneously, can be better avoid producing the vortex, the entering of upper strata and lower floor filter residue that avoids that can be better, the design is more reasonable.
As optimization, two vertical first connecting pipes are arranged above the first liquid discharge pipe in pairs left and right, the lower ends of the first connecting pipes are respectively connected with the first liquid discharge pipe, and the upper ends of the first connecting pipes are respectively connected with the first output pipe.
Like this, link to each other with first fluid-discharge tube through setting up two first connecting pipes, structural design is more reasonable.
Further, the clarifying liquid tank comprises a clarifying liquid tank body, a circle of annular second liquid discharge pipes are arranged on the bottom surface of the clarifying liquid tank body at intervals vertically upwards in the clarifying liquid tank body, the section of each second liquid discharge pipe is in a rectangular structural design, a circle of annular second inner grooves and annular second outer grooves are respectively arranged on the inner peripheral surface and the outer peripheral surface of each second liquid discharge pipe, a plurality of third through holes and fourth through holes are respectively arranged on the bottom surface of each second inner groove and the bottom surface of each second outer groove, and a layer of filtering gauze is respectively adhered to the bottom surface of each second inner groove and each second outer groove; the second liquid discharge pipe is also connected with a second output pipe, and the far end of the second output pipe is connected and arranged on the second clarified liquid outlet.
Like this, through set up round annular second fluid-discharge tube in the clarification tank jar body, be equipped with round annular second internal groove and second external groove on second fluid-discharge tube inner peripheral face and outer peripheral face respectively, set up third through-hole and fourth through-hole respectively at second internal groove and second external groove bottom surface again, be equipped with one deck filtration gauze respectively mutually in second internal groove and second external groove bottom surface, the vortex that produces when the clarification liquid pump that can be better is favorable to layering that can be better for the thick liquid quality that obtains is better.
Further, two vertical second connecting pipes are arranged above the second liquid discharge pipe in pairs left and right, the lower ends of the second connecting pipes are respectively connected with the second liquid discharge pipe, and the upper ends of the second connecting pipes are respectively connected with the second output pipe.
Like this, link to each other with the second fluid-discharge tube through setting up two second connecting pipes, structural design is more reasonable.
Drawings
Fig. 1 is a schematic structural diagram of a high fructose syrup soilless and carbonless filter system in an embodiment of the present invention.
FIG. 2 is a schematic diagram of the structure of the fructose saccharification tank in FIG. 1.
Fig. 3 is an enlarged partial schematic view of the a position in fig. 2.
Fig. 4 is a schematic view of the clarified liquid tank of fig. 1.
Fig. 5 is a partially enlarged schematic view of the B position in fig. 4.
Detailed Description
The present invention will be further described with reference to the drawings and examples, and it should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 5, a fructose syrup soilless and carbonless filtering system comprises a fructose saccharification tank 1, wherein the upper end of the fructose saccharification tank is a syrup input end and is used for being connected with a syrup input structure; the middle part of the fructose saccharification tank is provided with a first clarified liquid outlet and is connected with the input end of the membrane filtration equipment 2, the lower end surface of the fructose saccharification tank is provided with a first slag liquid outlet and is connected with the input end of the plate frame filter 3, the output end of the plate frame filter is connected with the input end of the clarified liquid tank 4, and the middle part and the lower end surface of the clarified liquid tank are respectively provided with a second clarified liquid outlet and a second slag liquid outlet and are respectively connected with the input end of the membrane filtration equipment and the input end of the plate frame filter; a filtrate outlet is provided on the membrane filtration device to output filtrate.
The applicant has found through analysis of the residues in the syrup that the residues in the syrup mainly comprise proteins, oils and dextrins, and that the proteins are less dense, typically distributed in the upper layer of the syrup, and the oils and dextrins are more dense, typically precipitated in the lower layer of the syrup, as a result of their respective analysis and repeated observations. Like this, foretell fructose syrup soilless carbonless filtration system is at the during operation, and syrup is imported its inside from fructose saccharification jar upper end, and the sediment liquid of syrup inside includes protein, grease and dextrin, and after standing, the protein can float in the top of syrup, and grease and dextrin can deposit at the lower floor of syrup, and the sugar sediment that middle level part contains is few, through be equipped with first clarified liquid export and link to each other with membrane filtration equipment input with fructose saccharification jar middle part, discharges the liquid in syrup middle level to membrane filtration equipment and accomplish once filtration and just can obtain the thick liquid that needs. The lower end of the fructose saccharification tank is provided with a first residue liquid output port and is connected with the input end of the plate-frame filter, and the filtered residue liquid is conveyed into the clarified liquid tank after the first filtration is finished, so that the slurry is kept still again and layered, the protein left after the first filtration is distributed on the upper layer of the slurry, grease and dextrin are deposited on the lowest layer of the clarified liquid tank, and the clarified liquid in the middle layer is conveyed to the membrane filtration equipment to be filtered, so that the needed slurry is obtained. And conveying the part at the lower end of the clarified liquid tank to a plate-frame filter again for treatment. In the above system, the applicant found and analyzed the components of the syrup residue, and designed the system for the structure analyzed. The system is used for treating the slurry, so that the problem of large use amount of the filter aid in the traditional high fructose syrup filter system is solved; the reagent cost can be better saved. Solves the problem of risk of sugar liquid pollution caused by leakage of a filter aid in the traditional high fructose syrup filter system; therefore, the obtained filter residue does not contain any reagent, cannot be polluted, and can improve the quality of the filter residue byproducts. And the system can be used for better and more comprehensively filtering out proteins, grease, dextrin and the like, so that the product quality is improved.
As an optimization, the device also comprises a fructose slag pot 5, and the first slag liquid outlet and the second slag liquid outlet are connected with the input end of the fructose slag pot, and the output end of the fructose slag pot is connected with the input end of the plate frame filter.
Like this, among the above-mentioned system, still be provided with the fructose slag pot for first sediment liquid delivery outlet and second sediment liquid delivery outlet link to each other with fructose slag pot input, and fructose slag pot output links to each other with the frame filter input, and lower floor's thick liquid all passes through the fructose slag pot, can be better intercept the filter residue, makes the syrup quality that obtains better.
As optimization, a first slag liquid conveying pipeline 6 and a second slag liquid conveying pipeline 7 are respectively connected to the first slag liquid output port and the second slag liquid output port, a slag liquid input pipeline 8 is connected to the input end of the fructose slag tank, and the first slag liquid conveying pipeline and the second slag liquid conveying pipeline are connected with the far end of the slag liquid input pipeline; and a fructose residue pump 9 is arranged on the residue liquid input pipeline.
Therefore, the connection between the first slag liquid output port and the second slag liquid output port and the fructose slag tank is more reasonable, and the conveying can be completed by adopting one fructose slag pump, so that the purpose of saving components can be achieved.
Further, a shut-off valve 10 is provided in each of the first slag liquid transporting pipe, the second slag liquid transporting pipe, and the slag liquid inputting pipe. This is more convenient to control.
As optimization, the output end of the fructose slag pot is connected with the input end of the plate-frame filter through a first slag liquid output pipeline 11, and a filter feed pump is arranged on the first slag liquid output pipeline.
Like this, through link to each other through the first output pipeline of sediment liquid between the fructose slag pot output and the plate frame filter input, be provided with the filter feed pump on the first output pipeline of sediment liquid again, the structure is simpler.
Further, a filter cut-off valve is also arranged on the slag liquid first output pipeline. This is more convenient to control.
As optimization, a first clarified liquid conveying pipeline 12 is arranged between the first clarified liquid outlet and the input end of the membrane filtering equipment, a fructose clarified sugar pump 13 is arranged on the first clarified liquid conveying pipeline, a first electric control valve 14 is arranged between the fructose clarified sugar pump on the first clarified liquid conveying pipeline and the first clarified liquid outlet, a first liquid level meter 15 is arranged in the fructose saccharification tank, and the signal output end of the first liquid level meter is connected with the electric control end of the first electric control valve.
Like this, through setting up first clear liquid pipeline, be equipped with the clear sugar pump of fructose on first clear liquid pipeline, the position on the clear liquid pipeline of fructose clear sugar pump and the clear liquid export between be equipped with first automatically controlled valve, be equipped with first level gauge in the fructose saccharification jar, make the signal output part of first level gauge link to each other with the automatically controlled end of first automatically controlled valve again for can monitor the liquid level in the fructose saccharification jar, when the liquid level is less than the preset position, first automatically controlled valve is closed, the protein of upper strata is taken away to the next filtration step of avoiding that can be better. Thereby enabling quality to be improved.
Preferably, a second clarified liquid conveying pipeline 16 is connected to the second clarified liquid outlet, and the distal end of the second clarified liquid conveying pipeline is connected to the first clarified liquid conveying pipeline at a position in front of the fructose sugar pump conveying inlet; the second clarified liquid conveying pipeline is provided with a second electric control valve 17, a second liquid level meter 18 is arranged in the clarified liquid tank, and the signal output end of the second liquid level meter is connected with the electric control end of the second electric control valve.
Therefore, the liquid level in the clarified liquid tank can be monitored by arranging the second clarified liquid conveying pipeline, the second electric control valve and the second liquid level meter, and when the liquid level is lower than a preset position, the second electric control valve is closed, so that the upper layer of protein is prevented from being taken away to the next filtering step. Thereby enabling quality to be improved.
Preferably, the syrup inlet port is arranged on the upper end surface of the fructose saccharification tank, a syrup inlet pipe 19 is arranged on the syrup inlet port, and a cut-off valve is arranged on the syrup inlet pipe.
Therefore, by arranging the syrup input pipe, syrup is more conveniently input into the fructose saccharification tank.
As optimization, the plate frame filter is provided with a slag discharge port, a slag discharge pipeline is arranged on the slag discharge port, and a blow-down valve is arranged on the slag discharge pipeline.
Like this, the design is more reasonable, can be better discharge the filter residue.
Further, the fructose saccharification tank comprises a saccharification tank body 20, a circle of annular first liquid discharge pipes 21 are arranged on the bottom surface of the interior of the saccharification tank body at intervals vertically upwards in the saccharification tank body, the section of each first liquid discharge pipe is in a rectangular structural design, a circle of annular first inner grooves and annular first outer grooves are respectively arranged on the inner peripheral surface and the outer peripheral surface of each first liquid discharge pipe, a plurality of first through holes 22 and a plurality of second through holes 23 are respectively arranged on the bottom surface of each first inner groove and the bottom surface of each first outer groove, and a layer of filter gauze 24 is respectively adhered to the bottom surfaces of each first inner groove and each first outer groove; the first liquid discharge pipe is also connected with a first output pipe 25, and the far end of the first output pipe is connected and arranged on the first clarified liquid outlet.
Like this, through set up round annular first fluid-discharge tube in saccharification jar body, set up round annular first inner groovy and first outer groovy respectively at first fluid-discharge tube inner peripheral face and outer peripheral face, be equipped with a plurality of first through-holes and second through-holes respectively at first inner groovy and first outer groovy bottom surface, again at first inner groovy and first outer groovy bottom surface subsides respectively and be equipped with one deck filtration gauze mutually, make when discharging the clarified liquid, first fluid-discharge tube inboard and outside get into the clarified liquid simultaneously, can be better avoid producing the vortex, the entering of upper strata and lower floor filter residue that avoids that can be better, the design is more reasonable.
As an optimization, two vertical first connecting pipes 26 are arranged above the first liquid discharge pipe in pairs left and right, the lower ends of the first connecting pipes are respectively connected with the first liquid discharge pipe, and the upper ends of the first connecting pipes are respectively connected with the first output pipe.
Like this, link to each other with first fluid-discharge tube through setting up two first connecting pipes, structural design is more reasonable.
Further, the clarifying solution tank comprises a clarifying solution tank body 27, a circle of annular second drain pipes 28 are arranged on the bottom surface of the clarifying solution tank body at intervals vertically upwards in the clarifying solution tank body, the section of each second drain pipe is in a rectangular structural design, a circle of annular second inner grooves and second outer grooves are respectively arranged on the inner peripheral surface and the outer peripheral surface of each second drain pipe, a plurality of third through holes 29 and fourth through holes 30 are respectively arranged on the bottom surface of each second inner groove and the bottom surface of each second outer groove, and a layer of filtering gauze is respectively adhered to the bottom surfaces of each second inner groove and each second outer groove; the second liquid discharge pipe is also connected with a second output pipe 31, and the far end of the second output pipe is connected and arranged on the second clarified liquid outlet.
Like this, through set up round annular second fluid-discharge tube in the clarification tank jar body, be equipped with round annular second internal groove and second external groove on second fluid-discharge tube inner peripheral face and outer peripheral face respectively, set up third through-hole and fourth through-hole respectively at second internal groove and second external groove bottom surface again, be equipped with one deck filtration gauze respectively mutually in second internal groove and second external groove bottom surface, the vortex that produces when the clarification liquid pump that can be better is favorable to layering that can be better for the thick liquid quality that obtains is better.
Further, two vertical second connecting pipes 32 are arranged above the second liquid discharge pipe in pairs left and right, the lower ends of the second connecting pipes are respectively connected with the second liquid discharge pipe, and the upper ends of the second connecting pipes are respectively connected with the second output pipe.
Like this, link to each other with the second fluid-discharge tube through setting up two second connecting pipes, structural design is more reasonable.
In the above system, the secondary layered clarification and the sugar solution were all purified by membrane filtration. And standing the sugar solution in the saccharification tank to achieve a layering effect, wherein the middle layer in the tank is clear liquid, pumping materials from the side surface of the tank body, and refining by membrane filtration with the precision of 0.1um to obtain clear sugar solution. The upper layer and the lower layer are mixture of sugar solution and sugar residue, and the filter residue is required to be separated to obtain clear sugar solution. Pumping sugar slag into a fructose slag tank through a bottom transfer pump, filtering without adding a filtering auxiliary agent in the tank, and filtering by using a plate-frame filter (the plate-frame filter is not precoated and is directly used after cleaning) to separate sugar slag and rough filtered sugar liquid. And continuously feeding the plate-frame rough filtered sugar solution into a clarifying tank for secondary layered clarification, directly refining supernatant by membrane filtration, and returning lower sugar slag to a fructose slag tank again, and filtering by a plate-frame filter for circulation. A large amount of perlite and active carbon are required to be added as filtering and decoloring auxiliary agents in the traditional filtering mode, and the auxiliary agents such as perlite and active carbon are not added after the technology is adopted, so that the production cost is saved by nearly millions. The method has the advantages that 1, the traditional sugar solution is completely subjected to membrane filtration refining of 0.1 mu m, the impurity removal capability of grease, protein and the like is stronger, the light transmittance of the sugar solution in discharging is high, the refining effect is better, and the product quality is higher. 2. The residual ash content of the product is lower as no filter aid is added. 3. Meanwhile, the color of filter residues is better, the filter cake forming effect is better, and the selling price can be improved by about 30%.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. The high fructose syrup soilless and carbon-free filtering system comprises a fructose saccharification tank, wherein the upper end of the fructose saccharification tank is a syrup input end and is connected with a syrup input structure; the device is characterized in that a first clarified liquid outlet is arranged in the middle of the fructose saccharification tank and is connected with the input end of the membrane filtration equipment, a first slag liquid output port is arranged on the lower end surface of the fructose saccharification tank and is connected with the input end of the plate frame filter, the output end of the plate frame filter is connected with the input end of the clarified liquid tank, and a second clarified liquid outlet and a second slag liquid output port are respectively arranged in the middle and the lower end surface of the clarified liquid tank and are respectively connected with the input end of the membrane filtration equipment and the input end of the plate frame filter; a filtered liquid outlet is arranged on the membrane filtering equipment to output filtered liquid;
The fructose syrup soilless carbon-free filtering system further comprises a fructose slag pot, wherein the first slag liquid output port and the second slag liquid output port are connected with the input end of the fructose slag pot, and the output end of the fructose slag pot is connected with the input end of the plate frame filter;
The first slag liquid output port and the second slag liquid output port are respectively connected with a first slag liquid conveying pipeline and a second slag liquid conveying pipeline, the input end of the fructose slag tank is connected with a slag liquid input pipeline, and the first slag liquid conveying pipeline and the second slag liquid conveying pipeline are connected with the far end of the slag liquid input pipeline; a fructose residue pump is arranged on the residue liquid input pipeline;
The output end of the fructose slag pot is connected with the input end of the plate frame filter through a first slag liquid output pipeline;
A first clarified liquid conveying pipeline is arranged between the first clarified liquid outlet and the input end of the membrane filtering equipment, and a fructose clarified sugar pump is arranged on the first clarified liquid conveying pipeline;
A second clarified liquid delivery conduit is connected to the second clarified liquid outlet and is connected at a position in front of the fructose pump inlet on the first clarified liquid delivery conduit at a distal end thereof.
2. The fructose syrup soilless and carbonless filter system of claim 1, wherein: a filter feeding pump is arranged on the slag liquid first output pipeline.
3. The fructose syrup soilless and carbonless filter system of claim 1, wherein: a first electric control valve is arranged between a fructose sugar pump and a first clarified liquid outlet on the first clarified liquid conveying pipeline, a first liquid level meter is arranged in the fructose saccharification tank, and a signal output end of the first liquid level meter is connected with an electric control end of the first electric control valve.
4. A fructose syrup soilless and carbonless filter system as set forth in claim 3, wherein: the second clarified liquid conveying pipeline is provided with a second electric control valve, a second liquid level meter is arranged in the clarified liquid tank, and the signal output end of the second liquid level meter is connected with the electric control end of the second electric control valve.
5. The fructose syrup soilless and carbonless filter system of claim 1, wherein: the syrup inlet is arranged on the upper end face of the fructose saccharification tank, a syrup inlet pipe is arranged on the syrup inlet, and a cut-off valve is arranged on the syrup inlet pipe.
6. The fructose syrup soilless and carbonless filter system of claim 1, wherein: the plate frame filter is provided with a slag discharge port, a slag discharge pipeline is arranged on the slag discharge port, and a blow-down valve is arranged on the slag discharge pipeline.
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