CN222700292U - Continuous fermentation device is used in sugar alcohol production - Google Patents
Continuous fermentation device is used in sugar alcohol production Download PDFInfo
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- CN222700292U CN222700292U CN202420843022.3U CN202420843022U CN222700292U CN 222700292 U CN222700292 U CN 222700292U CN 202420843022 U CN202420843022 U CN 202420843022U CN 222700292 U CN222700292 U CN 222700292U
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- 230000004151 fermentation Effects 0.000 title claims abstract description 173
- 238000000855 fermentation Methods 0.000 title claims abstract description 172
- 150000005846 sugar alcohols Chemical class 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 19
- 239000013530 defoamer Substances 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 34
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 8
- 244000005700 microbiome Species 0.000 description 5
- 238000010992 reflux Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- 239000004386 Erythritol Substances 0.000 description 1
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 1
- 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 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000000845 maltitol Substances 0.000 description 1
- 235000010449 maltitol Nutrition 0.000 description 1
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 description 1
- 229940035436 maltitol Drugs 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model belongs to the technical field of sugar alcohol production, and particularly relates to a continuous fermentation device for sugar alcohol production. Including the batching jar, the batching jar has connected gradually feed pump, horizontal fermentation cylinder, on-line reducing sugar detector, the zymotic fluid storage tank, the fermentation liquor pump, ceramic membrane system, the refined liquid storage tank, on-line reducing sugar detector connects in parallel has the back flow, back flow is connected to on the pipeline of the input of feed pump, install agitator in the horizontal fermentation cylinder, the breather pipe, the (mixing) shaft of agitator has the pivot through sprocket structural connection, the bearing is connected with a plurality of baffles in the pivot, equal fixedly connected with rake-type defoamer in the pivot before the baffle, be equipped with a plurality of air vents on the breather pipe, the breather pipe intercommunication has the breather valve, the batching jar, the feed pump, horizontal fermentation cylinder, on-line reducing sugar detector and fermentation controller electric connection. The utility model can realize continuous fermentation of sugar alcohol liquid and solve the problem of reduced purity of fermentation liquid caused by chemical defoaming in a horizontal fermentation tank.
Description
Technical Field
The utility model belongs to the technical field of sugar alcohol production, and particularly relates to a continuous fermentation device for sugar alcohol production.
Background
The sugar alcohol product is produced by adopting a microbial fermentation method, and has the advantages of cleanness, environmental protection, safety, stability and the like, for example, xylose is converted into xylitol after fermentation, glucose is converted into erythritol after fermentation, maltose is converted into maltitol after fermentation and the like, and in the microbial fermentation process, three common modes of batch fermentation, fed-batch fermentation and continuous fermentation are generally adopted. The batch fermentation is characterized in that a certain amount of culture medium and microorganisms are added into a reactor at one time, fermentation is carried out in the reactor, and harvest is not carried out until the fermentation is finished, and the fermentation mode has the defects of low productivity, high requirement for human intervention, high equipment cost and the like. The fed-batch fermentation is to add the fed-batch based on the fed-batch fermentation, and supplement the nutrition and the substrate in the reactor, so that the reaction time can be prolonged, and the yield can be improved. Continuous fermentation refers to a culture method in which a culture medium and microorganisms are continuously input into a reactor at the same speed, and fermentation is performed under the condition that products are continuously output, so that all state variables in a culture system are constant, the fermentation mode can keep the quantity of microorganisms and the concentration of nutrients in the reactor stable, the method can infinitely prolong the logarithmic growth phase of the microorganism in batch culture, maintain the stable growth rate of the microorganism, and maintain the constant cell concentration, total cell quantity and volume of culture solution in a fermentation tank. Compared with batch fermentation and fed-batch fermentation, continuous fermentation has the advantages of uniform product quality, high yield and productivity, capability of reducing the operation time of cleaning, charging, sterilizing, inoculating, tank placing and the like each time in batch method culture and fermentation, saving manpower and material resources, reducing cost, improving production efficiency, reducing equipment volume, reducing investment, being convenient for mechanical and automatic control, representing the development direction of the current fermentation process, and receiving the attention of more researchers.
At present, a vertical fermentation tank is mainly adopted for continuous fermentation, but when the height-diameter ratio is increased, the aeration pressure is high, the stirring energy consumption is high, and the horizontal fermentation tank can solve the problem, but the horizontal fermentation tank can not carry out mechanical defoaming like the vertical fermentation tank due to horizontal arrangement, the use of chemical defoaming can lead to complex components of fermentation liquor, particularly sugar alcohol liquor, the requirement on purity is high, and the addition of a defoaming agent can lead to high purification cost.
Disclosure of Invention
The utility model aims to provide a continuous fermentation device for sugar alcohol production, which aims to solve the problems in the prior art.
The continuous fermentation device for sugar alcohol production comprises a material mixing tank, wherein the material mixing tank is sequentially connected with a feed pump, a horizontal fermentation tank, an online reducing sugar detector, a fermentation liquid storage tank, a fermentation liquid pump, a ceramic membrane system and a refined liquid storage tank through pipelines, the online reducing sugar detector is connected with a return pipe in parallel, the return pipe is connected to a pipeline at the input end of the feed pump, a stirrer and a vent pipe are arranged in the horizontal fermentation tank, a stirring shaft of the stirrer is connected with a rotating shaft through a chain wheel structure, a bearing on the rotating shaft is connected with a plurality of baffles, rake-type defoamers are fixedly connected to the rotating shaft in front of the baffles, a plurality of vent holes are formed in the vent pipe, the vent pipe is communicated with a vent valve, and the material mixing tank, the feed pump, the horizontal fermentation tank and the online reducing sugar detector are electrically connected with a fermentation controller.
Further, the batching jar is the jar body that has the cover, stir, and the batching jar has two, has emptying valve, steam valve through the pipeline intercommunication on the batching jar, installs the batching valve on the pipeline of batching jar discharge end, and two batching jars are parallelly connected the back through the feed end of pipeline connection charge pump, and the batching jar passes through batching valve and fermentation controller electric connection.
Further, a check valve is arranged on a pipeline at the discharge end of the feed pump, a return valve is arranged on the return pipe, a discharge valve is arranged on a pipeline at the feed end of the fermentation liquor storage tank, and the return valve and the discharge valve are electrically connected with the fermentation controller.
Further, the horizontal fermentation tank is a cylindrical horizontal fermentation tank with a jacket, the length-diameter ratio of the horizontal fermentation tank is 5:1, the horizontal fermentation tank is connected with an acid-base valve, an air outlet valve and a steam valve through pipelines, the jacket of the horizontal fermentation tank is communicated with an air outlet valve and two temperature regulating valves, a temperature sensor and a pH meter are arranged on the horizontal fermentation tank, and the horizontal fermentation tank is electrically connected with a fermentation controller through a stirrer, an acid-base valve, an air outlet valve, a temperature regulating valve, an air outlet valve, a temperature sensor and the pH meter.
Further, the top end of the baffle is arc-shaped, two sides of the baffle are bent to gather foam at the middle position, and the arc-shaped top end of the baffle is matched with the shape of the inner wall of the horizontal fermentation tank and is spot-welded on the inner wall of the horizontal fermentation tank.
Further, the pivot bearing is connected in the intermediate position of baffle, and the rake defoamer includes axle sleeve and a plurality of harrow pole, rake teeth, bolt, and a plurality of harrow pole welds on the axle sleeve, and a plurality of rake teeth welds on the harrow pole, is equipped with a plurality of internal thread hole on the axle sleeve, and the bolt silk connects in the internal thread hole and pushes up in the pivot, and the rake defoamer passes through axle sleeve, bolt, internal thread hole to be fixed in the pivot.
Further, the fermentation controller is a computer and is used for setting process parameters and controlling the fermentation process.
The utility model has the following beneficial effects:
1. The utility model can realize continuous fermentation of sugar alcohol liquid and solve the problem of reduced purity of fermentation liquid caused by chemical defoaming in a horizontal fermentation tank.
2. The material with higher reducing sugar content at the beginning of fermentation is refluxed through the reflux pipe and the reflux valve, so that unqualified materials are prevented from entering the fermentation liquor storage tank, forced circulation is performed, and the stirring effect is improved.
3. The foam is gathered through the baffle, and the foam is physically defoamed by the rake-type defoamer, so that the purpose of rapid defoaming is achieved, and the problem that fermentation liquor purity is reduced due to chemical defoaming in the horizontal fermentation tank is solved.
4. The temperature sensor is used for detecting the temperature in the horizontal fermentation tank, and the fermentation controller is used for automatically controlling the opening and closing and opening of the two temperature regulating valves, so that the temperature in the horizontal fermentation tank is regulated and controlled.
5. The pH value of the fermentation liquid is detected by a pH meter, the fermentation controller controls the opening and closing of the acid-base valve, and when the pH value of the fermentation liquid deviates from a set value, the pH value is adjusted.
6. The fermentation controller controls the opening and closing of the ventilation valve so as to control ventilation amount, and the ventilation pipe disperses and evenly distributes the compressed air, so that the air can be uniformly contacted with the fermentation liquid, and the dissolved oxygen effect is improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic side cross-sectional view of the rake defoamer, baffle of the present utility model.
Fig. 3 is a schematic diagram of the rake defoamer and baffle of the present utility model in front view.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.
Fig. 5 is a schematic top view of the rake defoamer and baffle of the present utility model.
FIG. 6 shows the flow of the material in the horizontal fermenter according to the present utility model.
The device comprises a material mixing tank 1, a material feeding pump 2, a horizontal fermentation tank 3, an online reducing sugar detector 4, a fermentation liquid storage tank 5, a fermentation liquid pump 6, a ceramic membrane system 7, a refined liquid storage tank 8, a pipeline 9, a return pipe 10, a stirrer 11, a ventilating pipe 13, a chain wheel structure 14, a rotary shaft 15, a baffle 16, a rake foam breaker 17, a vent hole 18, a ventilation valve 19, an emptying valve 20, a steam valve 21, a material mixing valve 22, a check valve 23, a return valve 24, a discharge valve 25, an acid-base valve 26, an air outlet valve 27, a temperature regulating valve 28, a water outlet valve 29, a temperature sensor 30, a pH meter 31, a rake bar 32, rake teeth 33, a bolt 34, a shaft sleeve 35 and an inner wire hole.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
As shown in figures 1-5, a continuous fermentation device for sugar alcohol production comprises a material mixing tank 1, wherein the material mixing tank 1 is sequentially connected with a feed pump 2, a horizontal fermentation tank 3, an online reducing sugar detector 4, a fermentation liquor storage tank 5, a fermentation liquor pump 6, a ceramic membrane system 7 and a refined liquor storage tank 8 through a pipeline 9, the online reducing sugar detector 4 is connected with a return pipe 10 in parallel, the return pipe 10 is connected to the pipeline 9 at the input end of the feed pump 2, a stirrer 11 and a vent pipe 12 are installed in the horizontal fermentation tank 3, a stirring shaft of the stirrer 11 is connected with a rotating shaft 14 through a chain wheel structure 13, a plurality of baffles 15 are connected to the rotating shaft 14 through bearings, rake-type defoamers 16 are fixedly connected to the rotating shaft 14 in front of the baffles 15, a plurality of vent holes 17 are formed in the vent pipe 12, the vent pipe 12 is communicated with a vent valve 18, and the material mixing tank 1, the feed pump 2, the horizontal fermentation tank 3 and the online reducing sugar detector 4 are electrically connected with a fermentation controller.
The batching jar 1 is the jar body that has the cover, stir, and batching jar 1 has two, has emptying valve 19, steam valve 20 through pipeline 9 intercommunication on the batching jar 1, installs batching valve 21 on the pipeline 9 of batching jar 1 discharge end, and the feed end of feed pump 2 is connected through pipeline 9 after two batching jar 1 parallelly connected, and batching jar 1 passes through batching valve 21 and fermentation controller electric connection.
A check valve 22 is arranged on a pipeline 9 at the discharge end of the feed pump 2, a return valve 23 is arranged on the return pipe 10, a discharge valve 24 is arranged on the pipeline 9 at the feed end of the fermentation liquor storage tank 5, and the return valve 23 and the discharge valve 24 are electrically connected with a fermentation controller.
The horizontal fermentation tank 3 is a cylindrical horizontal fermentation tank with a jacket, the length-diameter ratio of the horizontal fermentation tank 3 is 5:1, the horizontal fermentation tank 3 is connected with an acid-base valve 25, an air outlet valve 26 and a steam valve 20 through a pipeline 9, the jacket of the horizontal fermentation tank 3 is communicated with an air outlet valve 28 and two temperature regulating valves 27, a temperature sensor 29 and a pH meter 30 are arranged on the horizontal fermentation tank 3, and the horizontal fermentation tank 3 is electrically connected with a fermentation controller through a stirrer 11, the acid-base valve 25, the air outlet valve 26, the temperature regulating valves 27, the water outlet valve 28, the temperature sensor 29 and the pH meter 30.
After the fermentation liquor overflows from the discharge end of the horizontal fermentation tank 3 and is detected by the online reducing sugar detector 4, if the reducing sugar content exceeds a set value, the reflux valve 23 is opened to overflow into the feed end of the feed pump 2, and meanwhile, the batching valve 21 is closed to enable the overflowed feed liquid to be pumped back into the horizontal fermentation tank 3 through the feed pump 2 again until the reducing sugar content of the fermentation liquor is lower than the set value. After the reducing sugar content of the fermentation liquor is lower than a set value, a discharge valve 24 is opened to enter the fermentation liquor storage tank 5, a material mixing valve 21 is opened, a fermentation controller controls the opening and closing of the material mixing valve 21, the material liquor is controlled to continuously enter the horizontal fermentation tank 3, and the fermented fermentation liquor continuously overflows from the discharge end of the horizontal fermentation tank 3 and enters the fermentation liquor storage tank 5, so that continuous fermentation is realized.
The top of the baffle 15 is arc-shaped, two sides of the baffle 15 are provided with bends for gathering foam at the middle position, and the arc-shaped top of the baffle 15 is matched with the shape of the inner wall of the horizontal fermentation tank 3 and is spot-welded on the inner wall of the horizontal fermentation tank 3.
The pivot 14 bearing is connected in the intermediate position of baffle 15, and rake defoamer 16 includes axle sleeve 34 and a plurality of rake bar 31, rake teeth 32, bolt 33, and a plurality of rake bar 31 welds on axle sleeve 34, and a plurality of rake teeth 32 welds on rake bar 31, is equipped with a plurality of internal thread hole 35 on the axle sleeve 34, and bolt 33 silk connects in internal thread hole 35 and pushes up on pivot 14, and rake defoamer 16 passes through axle sleeve 34, bolt 33, internal thread hole 35 to be fixed on pivot 14.
As shown in fig. 6, after the stirrer 11 is started, the feed liquid is pushed forward and hits the inner wall and then is split and returned, so that an upper material flow and a lower material flow are formed in the horizontal fermentation tank 3, foam above the upper material flow is gathered in the middle after moving to the baffle 15 along with the material flow, the stirrer 11 drives the rotating shaft 14 to rotate through the chain wheel structure 13, and the rake defoamer 16 performs physical defoaming on the foam, wherein the chain wheel structure 13 is a common gear and chain structure.
The fermentation controller is a computer and is used for setting technological parameters and controlling the fermentation process.
The working principle of the utility model is as follows:
before using, the steam valve 20 is opened to sterilize the batching tank 1 and the horizontal fermentation tank 3, when using, the batching tank 1 is used for batching, the two batching tanks 1 are alternately used, and after batching is finished, the batching valve 21 and the feeding pump 2 are opened through the fermentation controller to throw feed liquid into the horizontal fermentation tank 3.
After the stirrer 11 is started, the feed liquid is pushed forward and hits the inner wall and then is split to return, so that an upper material flow and a lower material flow are formed in the horizontal fermentation tank 3, foam above the upper material flow is gathered in the middle after moving to the baffle 15 along with the material flow, the stirrer 11 drives the rotating shaft 14 to rotate through the chain wheel structure 13, and the rake defoamer 16 physically defoaming the foam, wherein the chain wheel structure 13 is a common gear and chain structure.
After the fermentation liquor overflows from the discharge end of the horizontal fermentation tank 3 and is detected by the online reducing sugar detector 4, if the reducing sugar content exceeds a set value, the reflux valve 23 is opened to overflow into the feed end of the feed pump 2, and meanwhile, the batching valve 21 is closed to enable the overflowed feed liquid to be pumped back into the horizontal fermentation tank 3 through the feed pump 2 again until the reducing sugar content of the fermentation liquor is lower than the set value. After the reducing sugar content of the fermentation liquor is lower than a set value, a discharge valve 24 is opened to enter the fermentation liquor storage tank 5, a material mixing valve 21 is opened, a fermentation controller controls the opening and closing of the material mixing valve 21, the material liquor is controlled to continuously enter the horizontal fermentation tank 3, and the fermented fermentation liquor continuously overflows from the discharge end of the horizontal fermentation tank 3 and enters the fermentation liquor storage tank 5, so that continuous fermentation is realized. The fermentation liquor is pumped into a ceramic membrane system 7 through a fermentation liquor pump 6 for bacterial filtering, and finally enters a refined liquor storage tank 8.
The two temperature regulating valves 27 are respectively connected with a hot water pipe and a cold water pipe in a workshop, the temperature sensor 29 detects the temperature in the horizontal fermentation tank 3, and the opening and the closing of the two temperature regulating valves 27 are automatically controlled by the fermentation controller, so that the temperature in the horizontal fermentation tank 3 is regulated and controlled.
The acid-base valve 25 is connected with an acid tank or an alkali tank in a workshop, the selection is needed according to fermentation conditions, the phenomenon that the pH value is reduced in the fermentation process of sugar alcohol production is caused, the alkali tank is needed to be connected, otherwise, the acid tank is connected, the pH meter 30 detects the pH value of fermentation liquid, the fermentation controller controls the opening and closing of the acid-base valve 25, and when the pH value of the fermentation liquid deviates from a set value, the pH value is adjusted.
For the aerobic fermentation process, the ventilation valve 18 is communicated with a clean compressed air pipeline, the fermentation controller controls the opening and closing of the ventilation valve 18 so as to control ventilation, the ventilation pipe 12 disperses and evenly distributes the compressed air, and the air outlet valve 26 discharges the air out of the horizontal fermentation tank 3.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the utility model, which are made by those skilled in the art, are included in the protection scope of the utility model without departing from the design concept of the utility model.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (7)
1. The utility model provides a sugar alcohol production is with continuous fermenting installation, a serial communication port, including the batching jar, the batching jar has connected gradually feed pump, horizontal fermentation cylinder, online reducing sugar detector, fermentation liquor storage tank, fermentation liquor pump, ceramic membrane system, refining liquor storage tank through the pipeline, online reducing sugar detector connects in parallel has the back flow, back flow is connected to on the pipeline of the input of feed pump, install agitator, the breather pipe in the horizontal fermentation cylinder, the (mixing) shaft of agitator is connected with the pivot through sprocket structure, the bearing is connected with a plurality of baffles in the pivot, all fixedly connected with rake-type defoamer in the pivot before the baffle, be equipped with a plurality of air vents on the breather pipe, the breather pipe intercommunication has the breather valve, the batching jar, the feed pump, horizontal fermentation cylinder, online reducing sugar detector and fermentation controller electric connection.
2. The continuous fermentation device for sugar alcohol production according to claim 1, wherein the two material mixing tanks are provided with a jacket and a stirring tank body, the two material mixing tanks are communicated with an emptying valve and a steam valve through pipelines, the pipeline at the discharge end of the material mixing tank is provided with the material mixing valve, the two material mixing tanks are connected in parallel and then connected with the feed end of the feed pump through the pipeline, and the material mixing tanks are electrically connected with the fermentation controller through the material mixing valve.
3. The continuous fermentation device for sugar alcohol production according to claim 1, wherein a check valve is installed on a pipeline at the discharge end of the feed pump, a return valve is installed on the return pipe, a discharge valve is installed on a pipeline at the feed end of the fermentation liquid storage tank, and the return valve and the discharge valve are electrically connected with the fermentation controller.
4. The continuous fermentation device for sugar alcohol production according to claim 1, wherein the horizontal fermentation tank is a cylindrical horizontal jacketed fermentation tank, the length-diameter ratio of the horizontal fermentation tank is 5:1, the horizontal fermentation tank is connected with an acid-base valve, an air outlet valve and a steam valve through pipelines, the jacket of the horizontal fermentation tank is communicated with an air outlet valve and two temperature regulating valves, a temperature sensor and a pH meter are arranged on the horizontal fermentation tank, and the horizontal fermentation tank is electrically connected with a fermentation controller through a stirrer, an acid-base valve, the air outlet valve, the temperature regulating valves, the water outlet valve, the temperature sensor and the pH meter.
5. The continuous fermentation apparatus for producing sugar alcohol according to claim 4, wherein the top end of the baffle is arc-shaped, two sides of the baffle are bent to gather foam at the middle position, and the arc-shaped top end of the baffle is matched with the shape of the inner wall of the horizontal fermentation tank and is spot-welded on the inner wall of the horizontal fermentation tank.
6. The continuous fermentation device for sugar alcohol production according to claim 5, wherein the rotating shaft bearing is connected to the middle position of the baffle plate, the rake defoamer comprises a shaft sleeve, a plurality of rake bars, rake teeth and bolts, the plurality of rake bars are welded on the shaft sleeve, the plurality of rake teeth are welded on the rake bars, the shaft sleeve is provided with a plurality of inner wire holes, the bolts are screwed into the inner wire holes and are propped against the rotating shaft, and the rake defoamer is fixed on the rotating shaft through the shaft sleeve, the bolts and the inner wire holes.
7. The continuous fermentation apparatus for producing sugar alcohol according to claim 1, wherein the fermentation controller is a computer for setting process parameters and controlling the fermentation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420843022.3U CN222700292U (en) | 2024-04-23 | 2024-04-23 | Continuous fermentation device is used in sugar alcohol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420843022.3U CN222700292U (en) | 2024-04-23 | 2024-04-23 | Continuous fermentation device is used in sugar alcohol production |
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| Publication Number | Publication Date |
|---|---|
| CN222700292U true CN222700292U (en) | 2025-04-01 |
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|---|---|---|---|
| CN202420843022.3U Active CN222700292U (en) | 2024-04-23 | 2024-04-23 | Continuous fermentation device is used in sugar alcohol production |
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| CN (1) | CN222700292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120192844A (en) * | 2025-04-07 | 2025-06-24 | 内蒙古中晖药业有限公司 | A pH testing device for veterinary drug processing |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120192844A (en) * | 2025-04-07 | 2025-06-24 | 内蒙古中晖药业有限公司 | A pH testing device for veterinary drug processing |
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