225 results about "Sugar production" patented technology

The invention discloses an efficient denitrification method and system for landfill leachate, and the method comprises the following steps: diluting waste molasses, and then adding a compound enzyme preparation containing cellulase, pectinase and alpha-amylase for enzymolysis pretreatment to obtain a pretreatment solution; inoculating the pretreatment liquid with a compound flora containing clostridium butyricum and succinic acid-producing anaerobic spirillum, carrying out anaerobic fermentation, and separating to obtain a liquid carbon source containing acetic acid and propionic acid and fermentation residues; mixing the fermentation residues with waste sugar residues, and performing pyrolysis to prepare biochar; and synchronously adding the liquid carbon source and the biochar into a denitrification reactor, and carrying out denitrification on the landfill leachate. The total nitrogen removal load of the landfill leachate denitrification system is increased by 60% compared with that of a single carbon source process, and the sugar manufacturing solid waste recycling rate gt is achieved; 95%. According to the method disclosed by the invention, the dual goals of efficient denitrification and solid waste recycling are achieved through cooperative treatment of the waste molasses and the waste sugar residues in the sugar manufacturing process.

The invention discloses a molasses-based biomass sulfonated carbon catalyst preparation method, which comprises: grinding and mixing solid molasses and sodium hydroxide, calcining at 500-650 DEG C in an inert atmosphere to obtain activated carbon, and carrying out a sulfonation reaction on the activated carbon and concentrated sulfuric acid to obtain the catalyst. According to the method, by-product molasses in the sugar industry is taken as a raw material, a carbon source is rich in source, low in price and easy to obtain, the process is simple, the catalyst has relatively high specific surface area and conversion rate, the by-product can be utilized in a high-valued manner, and the method has certain industrial practical value.

The invention discloses a biological hydrogen production method for coupling a coal seam microbial community and beet pulp waste. The biological hydrogen production method comprises the following steps: step 1, collecting coal seam microorganisms; step 2, sample pretreatment; 3, preparing a culture solution; step 4, flora enrichment culture; and 5, constructing a biological hydrogen production system to obtain hydrogen-rich gas. Microorganisms adopted in the method are original microorganisms in underground in-situ coal seam or ground coal-bed gas well drainage and mining water, sugar industry waste beet pulp is adopted as a hydrogen production substrate, and aiming at the bottlenecks of high strain cost, limited substrate applicability and the like in an existing biological hydrogen production technology, the coal seam microorganisms and sugar industry waste residues are coupled, so that the yield of hydrogen is increased. A low-cost hydrogen production system is constructed, so that the economic cost in the microbial hydrogen production process is reduced, and the beet pulp has the advantages of being safe, easy to obtain, low in cost and high in gas production rate, has the advantages of being easy and convenient to operate, economical, efficient, environmentally friendly and the like, and has a good industrial application prospect.

The invention discloses a method and a system for efficiently producing short-chain fatty acid by utilizing waste molasses in the sugar industry and municipal sludge through synergistic anaerobic fermentation, and belongs to the technical field of organic solid waste recycling. Waste molasses and municipal sludge are mixed according to a specific ratio, the carbon-nitrogen ratio is optimized to 20-30: 1, trace metal catalysts (Fe < 2 + >, Co < 2 + > and Ni < 2 + >) are added, and two-stage pH regulation (the initial pH is 6.0-7.0, and the later pH is 5.5-6.0) and a medium-temperature (35-37 DEG C) anaerobic fermentation process are combined, so that the yield of short-chain fatty acid is remarkably increased to 5.2-6.8 g COD / L and is increased by 200-300% compared with that of traditional sludge single-substrate fermentation. The method realizes recycling and high-value conversion of the organic solid waste, and has the characteristics of low cost, high acid production efficiency and environmental friendliness.

The invention discloses a method and a system for producing high-purity medium-chain fatty acid (MCFA) based on waste molasses two-stage regulation fermentation. Comprising the following steps: (1) diluting waste molasses, then adding a compound enzyme agent of pectinase, beta-glucanase and cellulase, and coupling microwave to assist treatment; (2) inoculating the pretreated waste molasses with a composite flora containing a clostridium kluyveri mutant strain and a Megasphaera elsdeni engineering bacterium, and carrying out a fermentation treatment on the waste molasses, wherein the composite flora contains the clostridium kluyveri mutant strain and the Megasphaera elsdeni engineering bacterium; (3) sequentially performing two-stage dynamic regulation and control fermentation on the waste molasses inoculated with the composite flora through a pH-stat control strategy to realize efficient conversion from butyric acid to hexanoic acid / octanoic acid; and (4) a hydrophobic hollow fiber membrane module is adopted to realize on-line removal of the product, and the inhibition effect of the product is relieved. According to the technology, the yield of the MCFA produced from the waste molasses reaches 0.45 g / g COD, the cost is reduced by 68% compared with that of a traditional substrate, and a new way is provided for recycling of sugar manufacturing waste.

The invention discloses a bagasse filter mud composting method based on synergistic interaction of sargassum fusiforme and a complex microbial inoculant. The method comprises the following steps: mixing a sugar manufacturing byproduct bagasse and filter mud according to a certain dry weight ratio, and adjusting the moisture and carbon nitrogen ratio; synchronously adding sargassum fusiforme powder and a compound microbial agent, wherein the microbial agent is prepared by compounding bacillus licheniformis and phanerochaete chrysosporium; the high-temperature period is maintained for not less than 7 days, the total fermentation period is about 45 days, and the matured compost and the fertilizer thereof are prepared. The sargassum fusiforme is used as a natural conditioner, so that the composition of nutrient substances can be optimized, nitrogen and water are preserved, and heavy metals are passivated; and the lignocellulose is specifically degraded by the complex microbial inoculants. Through the synergistic effect of the bagasse and the filter mud, the high-temperature period of the compost is remarkably prolonged, the nutrient loss is reduced, the decomposition degree and the environmental safety of a compost product are improved, and an efficient and environment-friendly new way is provided for high-value resource utilization of the bagasse and the filter mud.

The invention is suitable for the technical field of brown sugar production, and provides a sugar boiling device for producing brown sugar, which comprises a base plate, a base box is arranged on the base plate; the sugar boiling tank is arranged on the base box, a tank cover is arranged on the sugar boiling tank, and an inner container is arranged in the sugar boiling tank; the heating device comprises an electromagnetic induction heating coil and a far infrared heating plate, and the electromagnetic induction heating coil and the far infrared heating plate are arranged on the sugar boiling tank and make contact with the inner container; the pushing mechanism is arranged in the inner container and can move to push the sugar liquid to be discharged when the sugar boiling tank is poured; the stirring mechanism is arranged in the inner container and is used for stirring brown sugar materials; and the dumping mechanism is arranged on the base box and is used for regulating and controlling dumping of the sugar boiling tank. According to the sugar boiling equipment and the sugar boiling process for producing the brown sugar, the problems that sugar liquid pouring is troublesome and labor-consuming and the efficiency is low in the current brown sugar boiling processing are solved.

The utility model discloses a sugar boiling crystallizing tank applied to refined sugar, which comprises a tank body, the tank body comprises a heating chamber and a juice steam chamber, the juice steam chamber is positioned above the heating chamber, a plurality of heating tube nests, a central downcomer, a circulating pipe, a light ammonia discharge pipe and a heavy ammonia discharge pipe are arranged in the heating chamber, and a juice catcher is arranged at the top of the juice steam chamber. The juice catcher is provided with a juice steam outlet connected with the outer side of the tank body, a juice steam baffle is arranged below the juice catcher and located in the middle of the juice steam chamber, the outer side of the top of the juice steam chamber is sunken downwards towards the middle position, a stirring mechanism is arranged at the sunken position, and an output shaft of the stirring mechanism extends into the tank body and is connected with a detachable bearing on the outer side of the bottom of the tank body. The crystallization tank is reasonable in design, the circulation ratio of the crystallization tank is reduced due to the design of the circulation pipe, the convective circulation effect of massecuite in the crystallization tank is remarkable, in addition, the heat transfer effect is good, low-pressure juice steam can be comprehensively used as a heat source, and therefore the thermal economic benefit of a whole plant is improved.

The utility model relates to the technical field of stevioside production equipment, in particular to a stevioside raw material impurity removal mechanism which comprises a base and a multi-stage screening type winnowing cleaning assembly, the multi-stage screening type winnowing cleaning assembly comprises a conveying belt, a supporting column, an extension plate, a leveling frame and a sprayer, the supporting column is arranged on one side of the base, and the extension plate is arranged on the other side of the base. The conveying belt is detachably connected with the supporting column and located above the supporting column, the extension plate is detachably connected with the conveying belt and located on one side above the conveying belt, the leveling frame is detachably connected with the extension plate and located on one side above the extension frame, the leveling frame is arranged on the side, close to the base, of the extension frame, and the sprayer is detachably connected with the extension plate. The multi-stage screening type winnowing cleaning assembly is additionally arranged on the base and located on the side, away from the upper portion of the base, of the extension plate, and therefore the problems that existing vibration impurity removal equipment can only remove large-particle impurities, and some fine impurities such as soil particles and fine weed fragments are difficult to effectively remove are effectively solved.

The invention discloses a digital intelligent warehousing system for raw material sugar, and relates to the technical field of warehousing in the sugar industry. Comprising a candy unloading pit, a first belt conveyor, a second belt conveyor, a bucket elevator, a third belt conveyor, a rail-mounted unloading trolley, a fourth belt conveyor, a traveling leveling machine, a fifth belt conveyor, a sixth belt conveyor and a reversing valve which are sequentially arranged in the material flowing direction. A grate is arranged at the top of the candy unloading pit, a conical funnel with a flow regulating valve is connected below the grate, and the feeding end of the first belt conveyor is connected below the funnel; according to the system, the utilization rate of the warehouse space can be effectively increased, the working environment in the warehouse can be remarkably improved, accurate batch management and first-in first-out control of raw materials are achieved, meanwhile, safety risks and potential quality hazards caused by traditional manual operation are reduced, and the working efficiency is improved. And a more efficient, controllable and environment-friendly raw material storage solution is provided for the modern sugar industry.

A cross-feed method for evaporating diluted sugar juice in beet sugar production includes the following steps: The purified diluted sugar juice is fed into a four-effect evaporator for evaporation and concentration; the sugar juice output from the four-effect evaporator is fed into a first-effect evaporator for further evaporation and concentration, using exhaust steam from the power plant to heat the first-effect evaporator, with all secondary steam from the first-effect evaporator supplied as a heat source to the second-effect evaporator; the sugar juice output from the first-effect evaporator is fed into the second-effect evaporator for further evaporation and concentration, with all secondary steam from the second-effect evaporator supplied as a heat source to the third-effect evaporator; the sugar juice output from the second-effect evaporator is fed into the third-effect evaporator for further evaporation and concentration, with 60% of the secondary steam from the third-effect evaporator used as a heat source to the fourth-effect evaporator; the sugar juice output from the third-effect evaporator is fed into a fifth-effect evaporator for further evaporation and concentration, with 80% of the secondary steam from the fourth-effect evaporator used as a heat source to the fifth-effect evaporator. This invention offers high production efficiency, higher steam heat utilization, and good production stability.

The invention relates to a preparation method and application of a bio-based composite environment-friendly adsorbent, and belongs to the technical fields of biomass waste recycling, composite materials thereof, wastewater treatment and the like. The main raw material for preparing the adsorbent is derived from waste sugar filter mud in the sugar manufacturing process, and after low-energy activation treatment is conducted on the waste sugar filter mud, high-activity isocyanate and amine monomers are adopted on the surface of the waste sugar filter mud to conduct in-situ polymerization to generate polyurea; the preparation method does not need complex equipment and expensive reagents, is simple in process, low in reaction energy consumption and suitable for large-scale industrial production, and opens up a new path for the development of circulating biological economy; according to the prepared adsorbent, after five continuous adsorption-desorption cycles, the removal rate of Cd (II) and Pb (II) is still kept at 85% or above, and the decolorization rate of methyl orange dye is 96% or above, so that the adsorbent has high-efficiency treatment capacity on a heavy metal and dye pollution system, and a technical scheme with extremely high competitiveness is provided for deep treatment of industrial wastewater and environmental ecological restoration.

The utility model discloses a straw sugar making system coupled with a biomass power plant. The straw sugar making system comprises a straw sugar making subsystem and a straw sugar making subsystem, wherein the straw sugar making subsystem comprises a bundling device, and a bundle breaking device, a first-stage iron removal device, a primary sorting device, a second-stage iron removal device, a secondary sorting device, a third-stage iron removal device, a crushing device, a third sorting device, a drying device, a crushing device, a powder tank device, a catalytic saccharification device, a solid-liquid separation device and a sugar liquid concentration device which are sequentially connected; the biomass power plant subsystem comprises a stock ground, a biomass boiler, a steam turbine and a generator which are connected in sequence; a discharging port of the bundling device is connected with a feeding port of the stock yard, and a discharging port of the stock yard is connected with a feeding port of the bundle breaking device. A heat source inlet of the drying device is connected with a biomass boiler heat outlet; a steam inlet of the catalytic saccharification and liquid glucose concentration device is connected with a steam outlet of the turbine; a generator electricity outlet is connected with an electricity inlet of the straw sugar manufacturing subsystem. The system can make full use of mature fuel collection and storage systems, infrastructures, green heat, green electricity and the like of the biomass power plant, the investment and operation cost of the straw sugar making system is reduced, and the survivability of the power plant is improved.

The utility model discloses a kind of sugarcane raw material self-unloading impurity removal conveying systems, belong to sugarcane conveying technical field.The application includes: self-unloading device and first cane conveyer;One end of first cane conveyer is horizontal end, and its other end is inclined upward;Self-unloading device is located at the horizontal end of first cane conveyer;Impurity removal device for sugarcane segment impurity removal;Impurity removal device includes net chain conveyer, push plate, rack and impurity removal box;Impurity removal box is set on rack;Net chain conveyer is set in impurity removal box;One end of net chain conveyer is horizontal end, and its other end is inclined upward;The end of impurity removal box close to net chain conveyer horizontal end is located just below the inclined end of first cane conveyer, and it is close to the top end of net chain conveyer inclined end and is provided with discharge port;Push plate is vertically set on net chain conveyer conveyor belt;Second cane conveyer, one end is located just below the discharge port of impurity removal box.The application is by the mode that water flow is sprayed by spray head, effectively washes silt on sugarcane segment, so as to facilitate subsequent sugarcane segment juice extraction sugar.

The utility model relates to the technical field of rock sugar production, and discloses an automatic control system for rock sugar concentration, which comprises a vacuum sugar boiling tank, a plurality of jacketed pots and a main PLC (Programmable Logic Controller), a pot body of each jacketed pot is provided with an interlayer capable of introducing heating steam, the bottom of the vacuum sugar boiling tank is provided with a discharge pipe, the discharge pipe is provided with a flow regulating valve, and the main PLC is connected with the vacuum sugar boiling tank. The discharge pipe is connected with each branch syrup pipeline communicated into each jacketed kettle through a main syrup pipeline, each branch syrup pipeline is arranged above the corresponding jacketed kettle, each branch syrup pipeline is provided with a switch electromagnetic valve, and the flow regulating valve and each switch electromagnetic valve are connected with a main PLC (Programmable Logic Controller). The automatic sugar feeding device can automatically control a plurality of jacketed pans to automatically feed sugar, so that manpower is reduced, and the cost is reduced.

The pretreatment processing device structurally comprises a processing main machine, a feeding port, an access door and a storage box, the feeding port is formed in the right end of the processing main machine, the access door is embedded in the front surface of the left end of the processing main machine, the storage box is fixed to the left end of the processing main machine, and a peeling mechanism is arranged in the processing main machine; the peeling mechanism is composed of a connecting plate, a sliding pipe, a guide column, a supporting rod and a cutting pipe, the connecting plate is fixed to the surface of the inner side of the sliding pipe, and the rotating wheel disc pulls the linkage supporting rod to conduct left-right linkage when rotating, so that a peeling knife in the cutting pipe is driven to conduct reciprocating peeling work on sugarcane; elastic torsion is applied to the swing block through the torsion shaft, so that the four peeling knives elastically swing, the cutting angle can be automatically adjusted, it is ensured that the four peeling knives can effectively peel sugarcane at a slightly bent angle, and meanwhile excessive peeling of sugarcane pulp and damage to the peeling knives are avoided.

This utility model relates to a white sugar sampling device, belonging to the field of sugar production equipment. The sampling tube of the white sugar sampling device is connected to the feeding pipe of the sugar hopper. A sampling port is provided on the side of the sampling tube. The sampling tube is inserted through the sampling port. The cylinder is a piston cylinder. The sampling tube is pushed into the feeding pipe of the sugar hopper through the sampling port by the piston cylinder for sampling. The piston cylinder is controlled by a solenoid valve. During the retraction of the sampling tube, the white sugar leaks from the feeding plate into the feeding pipe, and then leaks into the material bucket through the feeding pipe, connecting pipe, and discharge pipe, thus completing the sampling. The sampling operation is carried out in a space-saving manner, which can effectively prevent the white sugar sample from being contaminated by other substances.

The utility model provides a device for removing liquid adhered to the surfaces of solid particles. The device comprises a conveying chain assembly, a suction filtration assembly, filter cloth and a first filter pressing roller, a plurality of suction filtration assemblies are arranged on the surface of the conveying chain assembly in the annular direction of the conveying chain assembly, the suction filtration assemblies are wrapped with the filter cloth in the annular direction, the conveying chain assembly can drive the filter cloth to rotate in the annular direction, the filter cloth is used for bearing solid particles and permeating liquid media, and the suction filtration assemblies are used for suction filtration of the liquid media permeating through the filter cloth. The plurality of first filter pressing rollers are respectively arranged below the suction filtration assembly at the advancing straight line section of the conveying chain assembly; the conveying chain assembly drives the filter cloth to rotate, so that the first filter pressing roller sequentially extrudes the bottoms of the suction filtration assemblies, and solid-liquid separation is achieved. The device for removing the liquid adhered to the surfaces of the solid particles is simpler and more energy-saving, and can effectively solve the problem that the liquid adhered to sugar precipitation particles and lignin particles needs to be separated in the process of producing sugar by hydrolyzing plant fiber raw materials with concentrated acid.

The present application relates to the technical field of sugar production, and particularly relates to a sugar juice color value online detection method and system and a process parameter control method and system. The method collects sugar juice color values and key process parameters in real time and constructs a digital feature vector; a dynamic coupling relationship model is trained using historical and real-time data, a baseline color value evolution trajectory is predicted, and a backup collaborative adjustment scheme library covering multiple process scenarios is generated in advance; real-time multi-step trend prediction is performed on the color value, when the prediction deviates from the optimal range, the scheme library is queried in real time according to the deviation characteristics, and a pre-adjustment scheme with the minimum comprehensive process cost is quickly calculated, the pre-adjustment scheme is analyzed and converted into feedforward collaborative adjustment instructions for the auxiliary material adding system and each process execution unit, active and accurate closed-loop control is realized, the lag problem of traditional offline detection and manual control is effectively solved, the predictability and collaboration of color value control are improved, and product quality stability and production efficiency are ensured.

The invention belongs to the field of sugar industry, and discloses a method for enriching and separating sugarcane flavor substances. A co-processing method of sugarcane juice acid adjustment, heating, vegetable tannin coagulation, plate frame filtration, secondary heating, high-temperature evaporation, condensation, subcritical extraction and distillation is mainly adopted, filtered juice subjected to existing plate frame filtration treatment is high in quality, the water content of a filter cake is low, and the extraction, enrichment and purification processes of sugarcane flavor substances are green production processes. The method has the advantages that the method is simple in operation, the influence on subsequent processing of the sugar juice is small, the comprehensive utilization value of the obtained filter mud, deodorized water and other byproducts is high, the sugarcane flavor substance enrichment and separation system has the characteristics of compact and advanced equipment, high efficiency and the like, products are diversified, the value of the byproducts is high, and the comprehensive economic benefit and social benefit are very remarkable.

The utility model relates to the technical field of starch dehydration, and discloses starch milk dehydration equipment for preparing sugar from starch, which comprises a shell, the top of the shell is fixedly connected with a feeding funnel, the left side of the shell is fixedly connected with a derivative support block, the top of the derivative support block is fixedly connected with a polarization dehydration mechanism, and the polarization dehydration mechanism is fixedly connected with a rotary shaft. The top of the shell is fixedly connected with a dehydration storage box, the bottom of the dehydration storage box is fixedly connected with a polarization auxiliary mechanism, and the two sides of the dehydration storage box are fixedly connected with funnel dredging mechanisms. According to the starch milk dehydration device, starch milk enters the shell through the feeding funnel and then falls into the dehydration storage box in the shell, and in the process, the dehydration supporting block connected through the connecting block is driven by the dehydration storage box to reciprocate along with the dehydration storage box, so that the dehydration supporting block is driven to reciprocate; and then the dredging pipe is driven by the dehydration supporting block, so that the starch milk blocked in the feeding funnel is pushed.

The utility model relates to a starch milk size mixing tank, which belongs to the technical field of starch sugar production and comprises a tank body and a stirring system, the stirring system comprises a motor, a rotating shaft, a main stirring blade and an auxiliary stirring blade, the motor is arranged at the bottom end of the tank body in a vertically upward direction, the rotating shaft is coaxially arranged at the output end of the motor, and the main stirring blade is arranged on the rotating shaft. A plurality of groups of main stirring blades are arranged, and are uniformly arranged on the surface of the rotating shaft; a penetrating through hole is formed in the surface of the main stirring blade, the length direction of the through hole is consistent with that of the main stirring blade, the two ends of the auxiliary stirring blade in the length direction are rotationally connected to the two side walls of the through hole in the length direction respectively, and a transmission assembly for driving the auxiliary stirring blade to rotate is arranged on the inner wall of the tank body. According to the starch milk size mixing tank, the main stirring blade and the auxiliary stirring blade rotate at the same time, so that the stirring efficiency of materials in the tank body is improved.

The utility model discloses an optimized lime slaking system, which belongs to the technical field of sugar manufacturing equipment and comprises a lime powder storage tank, at least two spiral conveying grooves, a slaking barrel, a lime milk storage barrel A, a lime milk storage barrel B and at least two lime emulsifying pumps. Lime powder falling from the lime powder storage tank is conveyed to the digestion barrel through the spiral conveying groove. The digestion barrel is connected with a lime milk storage barrel A through at least two overflow conveying pipes, and the lime milk storage barrel A is connected with a lime milk storage barrel B through a first overflow pipe. Lime in the lime milk storage barrel A is pumped by the lime emulsification pump, is emulsified and then is conveyed to the lime milk storage barrel B; lime is emulsified through the lime emulsifying pump, and a conveying line between the lime powder storage tank and the sterilizing barrel and a conveying line between the lime milk storage barrels are added, so that the problem of poor quality of lime milk is avoided, and the problem of shutdown maintenance risk caused by single lime powder and lime milk conveying lines is also avoided.

The utility model relates to the technical field of beet sugar manufacturing and cleaning procedures, in particular to a beet exuded juice settling device which comprises a shell, a heat preservation barrel is fixedly connected outside the shell, one side of the heat preservation barrel is connected with a steam inlet pipe, the other side of the heat preservation barrel is fixedly connected with a steam outlet pipe, one side of the upper portion of the shell is connected with a feeding pipe, and the feeding pipe penetrates through the heat preservation barrel. The lower end of the shell is connected with a three-way pipe, the upper portion of the shell and the upper portion of the heat preservation barrel are connected with a shell top, the upper portion of the shell top is fixedly connected with a supporting frame, the shell top is detachably connected with a mounting hole cover, the supporting frame is connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is detachably connected with a half sleeve. And a plurality of fan blades are connected to the half sleeves in a sliding manner. By means of the shallow pool principle, the detachable half sleeve and the fan blades are driven through the rotating shaft, mud juice on the lower layer can be cleaned in time by means of centrifugal force, and the sedimentation efficiency of sugar beet seepage juice is improved.

The utility model discloses a continuous sampling mechanism for white granulated sugar production. The continuous sampling mechanism comprises a conveying device, a sampling device and a control unit, the conveying device comprises a base, a support and a conveying bin, a conveying cavity is formed in the conveying bin, a feeding port and a discharging port are formed in the two ends of the conveying bin respectively, and the feeding port and the discharging port are perpendicularly arranged and communicate with the conveying cavity. The conveying device can convey materials falling into the conveying cavity from the feeding port to the discharging port. The sampling device comprises a sliding groove, a sampling pipe and a sampling cup, the sliding groove is fixedly formed in the upper end face of the base, the sampling pipe is obliquely arranged on the outer side of the discharging port, the inlet end of the sampling pipe is fixedly connected and communicated with the discharging port, the outlet end of the sampling pipe extends to the position above the sliding groove, and the sampling cup is used for collecting materials falling out of the sampling pipe. According to the utility model, the sampling is automatically controlled while the white granulated sugar is conveyed, so that the white granulated sugar is continuously sampled, and the sampling efficiency of the white granulated sugar is improved.

The utility model relates to the technical field of functional sugar production and processing, in particular to a low-temperature evaporation system in functional sugar production, which comprises an evaporation device, a secondary air discharge port of the evaporation device is connected with an air inlet of a first vacuum pump through a pipeline, and an air storage tank is arranged on the pipeline between the evaporation device and the first vacuum pump. An exhaust port of the first vacuum pump is connected with an air inlet of the condenser through a pipeline, a discharge port of the condenser is connected with a receiving port of the steam-water separator through a pipeline, an exhaust port of the steam-water separator is connected with the second vacuum pump through a pipeline, and a liquid discharge port of the steam-water separator is connected with the condensate water tank through a pipeline. The condenser is connected with a refrigerating unit through a pipeline, and a cold air unit is arranged in a mounting channel of the condenser. According to the utility model, the cooling effect of the condenser is improved, more waste gas is condensed and discharged, the internal air pressure of the evaporation device is reduced, the boiling point of materials is reduced, and syrup can be evaporated at a low temperature and is prevented from being colored at a high temperature.

The invention discloses a method for preparing monosaccharide from lignocellulose biomass and acid circulation, which comprises the following steps of: (1) performing swelling reaction on the lignocellulose biomass by using more than 70 weight percent of inorganic acid solution to obtain high-acid biomass candy pomace; (2) extracting the obtained high-acid biomass candy pomace with an organic solvent to obtain low-acid biomass candy pomace and an acid-containing organic phase; and (3) adding the low-acid biomass candy pomace into water and / or an acid solution to prepare a mixed solution with the acid concentration of below 30wt%, and carrying out hydrolysis reaction to obtain a reaction solution containing monosaccharide. The process provided by the invention not only can effectively solve the problems, including invalid degradation of carbohydrates, small molecular byproducts and complex and harsh reaction conditions, existing in the process of preparing sugar from lignocellulose, but also can effectively improve the acid recovery rate while keeping relatively high glucose yield and xylose yield.

The utility model discloses a kind of beet unearthed block recovery device, which relates to beet sugar-making equipment technical field;Including blanking platform, moving rail, walking wheel, support frame, separation conveyor belt, motor;The surface of the blanking platform is opened with discharge port corresponding to the position of beet soil-removing machine unearthed mouth;The both sides of the discharge port are horizontally fixed with moving rail;The lower portion of the moving rail is equipped with support frame;The top of the support frame is equipped with walking wheel;The walking wheel is driven along the groove of the both sides of moving rail by motor;The bottom of the support frame is obliquely equipped with separation conveyor belt;The conveying direction of the separation conveyor belt is conveyed from low side to high side direction;Through the device, the soil material screened by beet soil-removing machine can be further secondary separated, a part of small beet block is recovered, the utilization rate of beet is improved, and the device can be selectively used according to requirements.

The utility model relates to the field of food processing mechanical equipment, in particular to production equipment which is high in production efficiency, low in production cost and capable of producing hollow straws, and comprises a rack, a box body, a box cover, a control system, a driving mechanism, a transmission mechanism, at least four conical rollers and a supporting pipe assembly, an opening is formed in the box body, the box cover covers the opening, a discharging port is formed in one longitudinal end of the box body, the conical rollers are rotatably arranged in the box body, the central axes of the conical rollers are distributed in the longitudinal direction, one longitudinal end of each conical roller is annularly arranged on the peripheral side of the discharging port, and the driving mechanism is connected with the other longitudinal end of each conical roller through the transmission mechanism. The driving device is used for driving the conical rollers to rotate in the same direction, a rolling and extruding area used for rolling and extruding massecuite is defined by the conical rollers, the supporting pipe assembly is distributed in the middle of the rolling and extruding area, the central axis of the supporting pipe assembly is distributed in the longitudinal direction, and the longitudinal end of the supporting pipe assembly penetrates out of the discharging port.

This invention relates to the field of road dust suppression technology, specifically to a bio-based dust suppressant that can be used for road reinforcement. Based on 100% solid content, it contains the following components in the following weight ratio: 100 parts xylose mother liquor and 3-50 parts polyamine crosslinking agent; wherein the xylose mother liquor contains 20%-70% solids by weight, with the remainder being water; wherein the solids contain ≥50% reducing sugars by weight, including D-xylose, L-arabinose, D-glucose, and D-galactose, and the xylose content in the solids is ≥20%. The dust suppressant obtained by this invention uses a large amount of waste xylose mother liquor, a byproduct of the sugar industry. This product is a renewable resource and a low-carbon renewable product. Furthermore, the dust suppressant obtained by this invention not only has dust suppression function but also good compressive strength and water resistance, and can be used as a soil stabilizer. Applying the dust suppressant of this invention to roads can produce a pavement system with excellent overall performance.