79 results about "Alcohol production" patented technology

The invention discloses anhydrous alcohol production fermentation equipment, and relates to the technical field of anhydrous alcohol production, the anhydrous alcohol production fermentation equipment comprises an installation support, a fermentation tank body is fixedly installed on the installation support, the bottom end of the fermentation tank body is fixedly communicated with a blanking pipe, the fermentation equipment also comprises a fermentation tank cover, a fermentation tank cover and a fermentation tank, the top end of the fermentation tank cover is mounted at the top end of the fermentation tank body, the top of the fermentation tank cover is fixedly communicated with a feeding pipe, and a sealing cover is mounted at the top end of the feeding pipe; the stirring assembly comprises a driving motor, a spiral material conveying rod, a fixing plate, two stirring rods, two transmission gears, a transmission gear ring and two cleaning scraping plates, and the driving motor is fixedly installed at the top of the fermentation tank cover. The interior of the fermentation tank body can be conveniently cleaned, the operation is convenient and fast, the cleaning convenience and effect are improved, subsequent use is facilitated, and the practicability is high.

The invention discloses a method for improving the fermentation performance of clostridium aerovorans and application of the clostridium aerovorans, and according to the method, an effective amount of methionine or a derivative thereof is added into a fermentation culture medium of the clostridium aerovorans to completely replace expensive complex organic nitrogen sources such as yeast extracts. The method successfully solves the three technical bottlenecks of slow biomass accumulation, low ethanol yield and dependence on expensive nitrogen sources in the fermentation process of the clostridium aerovorans by utilizing synthesis gas or CO2 / H2 mixed gas. Experiments prove that methionine or a derivative thereof can synergistically promote growth metabolism of thalli and a synthesis path of a product, so that the gas conversion efficiency of a carbon source is remarkably improved and metabolism is guided to flow to ethanol synthesis while the growth rate and the final biomass of the thalli are improved, and thus the production capacity of alcohols is synchronously enhanced. The method is simple in process and remarkable in effect, and an efficient and economical new strategy is provided for reducing the production cost of biofuel and promoting industrial application of a synthesis gas biorefinery technology.

To provide a method for efficiently producing a hydrocarbon compound, an apparatus for producing the hydrocarbon compound, and a system for producing the hydrocarbon compound.SOLUTION: According to an aspect of the present invention, there is provided a method for producing a hydrocarbon compound, including a separation step of separating hydrogen from a gas containing at least carbon monoxide and hydrogen, an alcohol production step of producing an alcohol from the gas from which hydrogen has been separated using a microorganism, an alkene production step of producing an alkene having 3 or less carbon atoms from the alcohol using a first catalyst, and a hydrocarbon compound production step of producing a hydrocarbon compound having 4 or more carbon atoms from the alkene and hydrogen using a second catalyst.SELECTED DRAWING: Figure 1

To provide a method for producing an alcohol, which has high safety, does not need time and effort, and is excellent in cost.SOLUTION: A method for producing an alcohol comprises: step (1) of carrying out a hydrolysis reaction and condensation reaction of tetraalkoxysilane under an alkali catalyst to obtain a dispersion of silica particles comprising the alcohol; step (2) of isolating a solution comprising the alkali catalyst and the alcohol from the dispersion of silica particles obtained in the step (1); and step (3) of passing the solution comprising the alcohol, obtained in the step (2), through an ion exchange resin to obtain the alcohol with the alkali catalyst removed.SELECTED DRAWING: None

An anti-abrasion device for a hanging pipe of a circulating fluidized bed boiler is used for protecting the pipe wall of a steam hanging pipe in a boiler mixing chamber in the alcohol distillation process in the alcohol production industry, and relates to the technical field of design of the anti-abrasion device for the hanging pipe of the boiler. A hanging pipe anti-abrasion beam formed by pouring reinforced concrete is arranged on the anti-abrasion beam, and under blocking of the hanging pipe anti-abrasion beam, high-temperature and high-concentration coal flue gas entering a high-temperature superheater mixing chamber cannot directly scour the root of a steam hanging pipe. Under the blocking of the anti-abrasion beam of the hanging pipe, the flowing direction of high-temperature, high-pressure and high-concentration coal flue gas reaching 200,000 cubic meters per hour can be changed, the scouring force of the coal flue gas to the pipe wall during flowing is reduced, and meanwhile, the high temperature can still heat the steam in the steam hanging pipe, so that the anti-abrasion beam of the hanging pipe can be used for preventing the steam in the steam hanging pipe from being damaged. The steam hanging pipe has the advantages that the service life of the steam hanging pipe can be guaranteed, and the arranged anti-abrasion tiles can protect the pipe wall of the hanging pipe from being abraded.

The invention discloses a clostridium aerovorans continuous fermentation method based on multi-parameter regulation and control, and belongs to the technical field of microbial fermentation. The method comprises the following parameter control: fermentation culture medium concentration control: in a biomass stabilization stage, gradually reducing the fermentation culture medium concentration from an initial concentration so as to reduce an acid production ratio and improve an alcohol production ratio; the CO content in the tail gas is controlled, wherein the volume fraction of CO in the tail gas is controlled to be 5-10%, and therefore the growth rate of the clostridium aerovorans is increased; dilution degree control: gradually improving the dilution degree so as to improve the fermentation yield; wherein the dilution is equal to the product of the fermentation culture medium feeding speed and 24 / fermentation liquid volume; a ceramic membrane is added, and thalli are intercepted by adding the ceramic membrane, so that the biomass is improved. According to the method, the fermentation acid-alcohol ratio can be regulated and controlled, and the fermentation rate of the clostridium aerovorans is increased.

The utility model discloses a distillation device for alcohol production, which relates to the technical field of alcohol production and comprises a heating furnace, a distillation retort is arranged in the middle of the heating furnace, a top cover is arranged at the top of the distillation retort, a stirring component is arranged in the middle of the top cover, and the stirring component comprises a driving motor. A rotating rod is arranged at the bottom of the driving motor, a mounting ring and a supporting arm are arranged outside the rotating rod, a scraping plate and an arc-shaped scraping plate are arranged at one end of the supporting arm, a mounting frame and a connecting rod are arranged on the outer wall of the supporting arm, and a stirring paddle is arranged on the outer wall of the connecting rod. The stirring assembly is used for stirring fermentation materials in the distillation retort, the driving motor is used for driving the rotating rod and the supporting arm to rotate, the scraping plate and the arc-shaped scraping plate are used for scraping the fermentation materials adhered to the inner wall of the distillation retort, and the phenomenon that the temperature of the fermentation materials close to the inner wall of the distillation retort is too high is prevented; and the heating uniformity is influenced.

The present invention provides a process for the production of polyether alcohol comprising the steps of: i. preparing a crude polyether alcohol by reacting a starter compound having one or more active hydrogen atoms with an alkylene oxide in a reactor in the presence of a composite metal cyanide complex catalyst; ii. subsequently subjecting the crude polyether alcohol to a stripping step at temperatures in the range of from 90 °C to 160 °C under reduced pressure, using an inert stripping agent, wherein the crude polyether alcohol is contacted with water and a solid acid catalyst at a temperature in the range of from 90 to 160 °C and any volatile substances are concurrently removed via concerted distillation.

The invention discloses a waste gas treatment system and process for POE alcohol production. The waste gas treatment system comprises a gas-water separation tank, a homogenization tank, a water washing tower, a Fenton oxidation reactor, an activated carbon adsorption tower, a water absorption tower, a catalytic oxidation reactor and an alkaline washing tower which are sequentially connected through pipelines. The method has the advantages that dust, acid gas, VOCs and trace toxic pollutants in the POE alcohol production waste gas are efficiently removed through a multi-stage cooperative treatment process, meanwhile, the operation cost is reduced, and secondary pollution is avoided.

The invention provides functional saccharomyces cerevisiae and application thereof in fermentation of pueraria polysaccharide, and belongs to the technical field of microbial fermentation. The invention discloses a saccharomyces cerevisiae Y25, which has the physiological characteristics of high ethanol yield, low higher alcohol yield, high ester yield and good tolerance to ethanol, acid and high temperature, can improve the quality of white spirit and enrich and coordinate the flavor of the white spirit, and can be used for fermenting kudzuvine root polysaccharide, so that the obtained fermented polysaccharide is high in yield, strong in oxidation resistance and high in yield. The polysaccharide content is increased by 9.79% compared with commercial Angel yeast, and the DPPH free radical scavenging rate and the hydroxyl free radical scavenging rate are respectively increased by 10.32% and 18.78% compared with the commercial Angel yeast. The saccharomyces cerevisiae Y25 disclosed by the invention has far-reaching social and economic significance on enhanced utilization of functional brewing microbial resources and innovation and upgrading of a traditional brewing process.

This invention discloses a process for producing sake based on multi-strain mixed fermentation and its flavor profile, belonging to the field of sake brewing technology. This invention provides a method using japonica rice from Northeast China as raw material, employing multi-strain, sequential low-temperature fermentation to regulate ester, acid, and alcohol production during the sake fermentation process. This results in a sake product with flavor compounds at levels and proportions comparable to Japanese sake. The strains include *Rhizopus oryzae*, *Rhizopus chinensis*, *Issaccharomyces orientalis*, and *Saccharomyces cerevisiae*. Compared to existing technologies, the microbial combination, inoculation amount, and inoculation sequence of this invention, combined with synergistic saccharification and fermentation, achieves a ratio of isoamyl acetate, ethyl hexanoate, ethyl lactate, and ethyl acetate, as well as a total ester content, reaching the levels of typical Japanese sake.

The utility model discloses a catalytic rectifying tower for sec-butyl alcohol production, and belongs to the field of catalytic rectifying towers. A catalytic rectifying tower for sec-butyl alcohol production comprises a tower body, a plurality of tower plates are evenly arranged in the tower body, a liquid scraping mechanism is mounted on the inner wall of the top of the tower body and comprises a mounting frame fixedly connected with the inner wall of the top of the tower body, a rotating shaft is rotatably mounted in the center of the mounting frame, and fan blades are fixedly mounted at the top of the rotating shaft. A connecting rod is fixedly mounted at the bottom of the rotating shaft, a liquid scraping ring is connected to the bottom of the connecting rod through a connecting frame, a plurality of liquid inlets are formed in the outer side face of the liquid scraping ring, a baffle ring is fixedly mounted at the bottom of the liquid scraping ring, and a liquid scraping plate is mounted on one side of each liquid inlet; according to the liquid scraping device, the liquid scraping ring rotates to scrape liquid on the inner wall of the top of the tower body through the arranged liquid scraping mechanism under the driving of ascending airflow in the tower body by the fan blades, so that the rectification efficiency is effectively improved, and on the other hand, the use of power equipment is reduced, and the cost is reduced.

The embodiment of the present application provides a kind of alcohol production equipment self-identification control method and system, belong to automatic control equipment technical field.The self-identification control method includes the following steps: obtaining and analyzing the situation in monitoring area, determine the priority level and determine the response mechanism corresponding to priority level, when target object is identified, the priority level is one of first priority level, second priority level and third priority level;Analysis target object's type, motion state and stationary state, and determine one of first response mechanism corresponding to first priority level, second response mechanism corresponding to second priority level and third response mechanism corresponding to third priority level according to analysis result;Response mechanism is executed, including the opening and closing of alcohol production equipment manhole, sending early warning signal.The present application fully considers the production process of alcohol production equipment and the environment around alcohol production equipment, with the characteristics of accurate and efficient, energy saving, safety.

The invention discloses a wastewater treatment system and process for POE alcohol production, and the wastewater treatment system comprises a pretreatment unit, a deep oxidation unit, an efficient biodegradation unit, a catalytic oxidation electrolysis coupling unit, a salt-tolerant composite biological treatment unit and a post-treatment unit which are sequentially connected in series, the pretreatment unit comprises an adjusting tank, a demulsification reaction tank and a sedimentation tank which are sequentially connected in series, the deep oxidation unit comprises a supported bimetallic catalytic oxidation reactor, and the efficient biodegradation unit comprises an anaerobic bioreactor and an aerobic bioreactor. The catalytic oxidation and electrolysis coupling unit comprises a catalytic ozonation reactor and an iron-carbon micro-electrolysis reactor, the salt-tolerant composite biological treatment unit comprises a salt-tolerant hydrolysis acidification pool and a sequencing batch moving bed bio-membrane reactor, and the post-treatment unit comprises a precision filter and a disinfection pool. The method has the advantages that an integrated treatment system is constructed, process parameters are optimized, efficient purification of wastewater is achieved, it is ensured that effluent reaches the standard and is discharged, meanwhile, the treatment cost is reduced, and secondary pollution is reduced.

The application provides a kind of offshore platform and the safety control method of offshore platform.The offshore platform includes: platform main body, upper deck is equipped with power distribution area, process area, tank area and residential control area;Preparation device is arranged in process area, preparation device includes hydrogen production device, alcohol production device and ammonia production device;Storage device is arranged in tank area, for storing the product prepared by preparation device;Off-grid power supply device includes at least one of wind turbine generator set, photovoltaic generator set, diesel generator set and energy storage assembly;Off-grid power supply device powers preparation device;Detection device includes first detection device, second detection device and third detection device arranged in process area;Controller is set in residential control area, and communication connection is carried out with first detection device, second detection device and third detection device to receive signal, and according to the signal received, respectively control hydrogen production device, alcohol production device and ammonia production device start-stop.

The utility model discloses alcohol rinsing device relates to alcohol production technical field, including frame and filter unit, frame: inside installation has rinsing unit, rinsing unit: contain rinsing jar, steam import, heating shell, condensate pipe, liquid discharge pipe and liquid feeding pipe, the rinsing jar is fixed in the inside of frame, the outside of rinsing jar is provided with heating shell, the upper and lower both ends of heating shell outside surface all are linked with steam import and condensate pipe, the top surface of rinsing jar is equipped with liquid feeding pipe, the bottom surface of rinsing jar is provided with liquid discharge pipe, filter unit: contain cylinder, support plate, base, supporting leg, delivery pipe and filter core, this alcohol rinsing device, through integration rinsing, filter and storage unit, improve alcohol recovery rate and purity significantly, have uniform heating's rinsing jar, intelligent condensation recovery to and movable storage unit, and the device operation is convenient, and the degree of automation is high, is applicable to pharmaceutical, chemical industry etc.

The invention belongs to the field of fine chemical engineering, and particularly relates to a production method of dihydric alcohol, which comprises the following steps: a) olefin, hydrogen peroxide, a titanium silicalite molecular sieve catalyst and a solvent form a uniform system through a static mixer, then the uniform system is sent to a dynamic tubular reactor for epoxidation reaction, and a reaction product is subjected to liquid-solid separation, a liquid phase obtained through separation is sent to a first rectifying tower; b) separating light and heavy components from the liquid phase through a first rectifying tower, and sending the separated heavy components to a microreactor; and c) carrying out hydrolysis reaction on the heavy components in the microreactor, and carrying out second rectification on the reacted material to separate light and heavy components, thereby obtaining a heavy component, namely a dihydric alcohol product. According to the method provided by the invention, a static mixer and continuous equipment are adopted, so that the mixing and dissolving effect of raw materials is enhanced, introduction of formic acid is avoided, and the problem of introduction of impurities is solved from the source; and meanwhile, the method does not adopt an acid / alkali catalyst, so that the introduction of sensitizers is avoided, the process flow is shortened, and the production efficiency is improved.

The utility model provides drying equipment and a drying machine for dinorhydrin production. The surface of a drying machine body is rotationally connected with two sets of reinforcing assemblies, the bottoms of the reinforcing assemblies are fixedly connected with a support table, one side of the drying machine body is fixedly connected with a discharging barrel, and one end of the discharging barrel is fixedly connected with a dust removal and air induction assembly; the dust removal and air induction assembly comprises a cyclone separator fixedly connected to one end of the discharging barrel, the top of the cyclone separator is fixedly connected with a hot air box, the top of the hot air box is fixedly connected with a motor A, one side of the motor A is fixedly connected with an induced draft fan, and one end of the induced draft fan is fixedly connected with a ventilation pipe; the reinforcing assembly comprises a silica gel ring rotationally connected to the surface of the dryer body. According to the drying equipment and the drying machine for dinorhydrin production, the effects of effectively discharging dust and recycling hot gas can be achieved, environmental pollution is reduced, and energy waste is avoided.

An improved dry grind system and method for producing a sugar stream from grains or similar carbohydrate sources and / or residues, such as for biofuel production, using membrane filtration. In particular, a sugar / carbohydrate stream, which includes a desired Dextrose Equivalent (DE) where DE describes the degree of conversion of starch to dextrose (aka glucose) and / or has had removed therefrom an undesirable amount of unfermentable components, can be produced after saccharification and prior to fermentation (or other sugar conversion process) using membrane filtration, with such sugar stream being available for biofuel production, e.g., alcohol production, or other processes. In addition, the systems and methods also can involve the removal of certain grain components, e.g., corn kernel components, including protein, oil and / or fiber, prior to fermentation or other conversion systems. In other words, sugar stream production and / or grain component separation occurs on the front end of the system and method.

The invention discloses a three-tower differential pressure alcohol production method and system, and relates to the technical field of alcohol production. The three-tower differential pressure alcohol production system provided by the invention comprises a first coarse tower, a second coarse tower and a fine tower, the first coarse tower is controlled to be a negative pressure tower, the second coarse tower is controlled to be a positive pressure tower, the fine tower is controlled to be a normal pressure tower, a pressure gradient is formed through negative pressure-positive pressure-normal pressure, and spontaneous flow and thermal coupling of steam are realized. The three-tower differential pressure mode is adopted, heat energy gradient utilization is driven, steam latent heat, waste water waste heat and vinasse waste heat are converted into driving force in the system, the production cost is remarkably reduced, the stable product quality is guaranteed, meanwhile, materials with different concentrations are treated in parallel through the three towers, continuous production is achieved, and the productivity is improved by 20% or above.

An improved dry grind system and method for producing a sugar stream from grains or similar carbohydrate sources and / or residues, such as for biochemical production. In particular, after saccharification and prior to a sugar conversion process, a sugar / carbohydrate stream is removed from a saccharified stream. The sugar / carbohydrate stream includes a desired Dextrose Equivalent (DE) where DE describes the degree of conversion of starch to dextrose can be produced, with the such sugar stream being available for biochemical production, e.g., alcohol production, or other processes. In addition, the systems and methods also can involve the removal of certain grain components, e.g., corn kernel components, including protein and / or fiber. Sugar stream production occurs on the front end of the system and method.

The invention relates to the technical field of emission reduction and carbon sequestration of microorganisms, in particular to a carbon sequestration and alcohol production strain capable of improving the utilization rate of carbon atoms and a construction method and application of the carbon sequestration and alcohol production strain. Pyruvate formate lyase activating enzyme and / or formate dehydrogenase are / is overexpressed in the solvent-producing clostridium subjected to gene overexpression. The carbon-sequestration alcohol-producing strain capable of improving the utilization rate of the carbon atoms is used for producing alcohol solvents such as ethanol and butanol through anaerobic fermentation, the fermentation alcohol-producing concentration, the alcohol yield, the total carbon recovery rate of organic acid and solvent products and the content of mycoprotein and mycocarbon are all improved, the utilization rate of the carbon atoms is effectively improved, the economical efficiency of the carbon atoms is improved, and the production cost is reduced. And high-efficiency biological catalytic conversion of short-chain alcohol chemicals and energy products is realized.

Provided herein are methods of analyzing a fecal sample including measuring the amount of ethanol produced by the fecal sample and measuring the presence, absence, or relative abundance of Ruminococcus gnavus, Escherichia coli, or Klebsiella pneumoniae in the fecal sample compared to a reference sample, and / or measuring the expression of genes associated with the heterolactic fermentation pathway, the mixed acid fermentation pathway, the ethanolamine utilization pathway, and / or acetylene degradation pathway. Also provided herein are methods of treating a condition associated with gut alcohol production in a subject including analyzing a fecal sample from a subject, determining the subject has a gut alcohol production condition, and administering to the subject an effective amount of a treatment comprising a probiotic with optional resistant starch, fecal microbiota transplantation (FMT), an antimicrobial agent, a microbial enzyme inhibitor, or a combination thereof.

To provide a method for the continuous production of an unsaturated alcohol from an unsaturated fatty acid alkyl ester as the raw material, the method enabling reduction of by-product formation and applicability on an industrial scale.SOLUTION: A method for producing an unsaturated alcohol by performing reduction of an unsaturated fatty acid alkyl ester in the presence of a catalyst, comprises a step of charging an unsaturated fatty acid alkyl ester (where the alkyl group of the alkyl ester has 1 to 4 carbon atoms) and an aliphatic alcohol having 1 to 4 carbon atoms into a reaction column, and a step of supplying hydrogen to the reaction column to obtain the unsaturated alcohol through a reduction reaction.SELECTED DRAWING: Figure 1

The invention discloses a multi-tower differential pressure energy-saving distillation system based on electric heating and flash coupling and an anhydrous alcohol production method. The system comprises a multi-tower distillation device and an alcohol dehydration device. An electric heating and wastewater flash evaporation coupled distributed heat supply structure is adopted; electric heaters are respectively arranged at the bottoms of a rectifying tower and a recovery tower, and are used for directly heating wastewater at the bottoms of the towers to generate main process steam; excessive high-temperature wastewater is introduced into a flash tank for flash evaporation, and secondary steam is generated as an auxiliary heat source of a recovery tower; the wine gas discharged from the top of the recovery tower is supplied to a reboiler of the coarse distillation tower as a heat source of the coarse distillation tower, the wine gas at the top of the rectifying tower supplies heat to the water washing tower and the methanol tower, and the wine gas at the tops of the water washing tower and the methanol tower supplies heat to the coarse distillation tower. According to the method, the system is utilized, and a stable and controllable rectification process is realized through electric heating direct steaming and waste heat deep recovery. The problem that a heat source of a traditional heat conduction oil system is unstable is fundamentally solved, the heat energy utilization efficiency is remarkably improved, energy consumption is low, and the product quality is stable.

The present invention relates to a method for producing alcohol from synthesis gas, wherein alcohol selectivity is improved and alcohol can be obtained more selectively. Said method for producing alcohol includes steps 1 and 2 below. Step 1: a catalyst production step for, in a non-aqueous solvent, causing a cobalt-containing compound (a) and a lanthanoid element-containing compound (b), which are soluble in the non-aqueous solvent, to react with a divalent or higher carboxylic acid compound (c), and obtaining a catalyst from the reaction product. Step 2: An alcohol production step for obtaining alcohol by reacting synthesis gas in the presence of the catalyst obtained in step 1.

The utility model discloses filling equipment for medical alcohol production, which comprises a base as well as a conveying assembly and a filling assembly which are arranged on the upper surface of the base, the conveying assembly comprises a conveying belt and side plates arranged on the two sides above the conveying belt, and the side plates are fixedly connected with the two ends of the upper surface of the base; the filling assembly comprises a U-shaped mounting frame, an electric telescopic rod and a filling head, the U-shaped mounting frame is fixedly arranged on the upper surface of the base, the lower end of the U-shaped mounting frame is located below the conveying belt, an auxiliary fixing mechanism is mounted on the inner side of the U-shaped mounting frame, and the electric telescopic rod is arranged at the top of the U-shaped mounting frame; the automatic filling device has the advantages that stability of a filling bottle in the filling process is effectively guaranteed, fixation can be automatically relieved after filling is completed, the stability of filling work is guaranteed, and alcohol waste is avoided.

The utility model relates to the technical field of high-hydrocarbon alcohol production, in particular to a high-hydrocarbon alcohol production device with a filtering function, which comprises a high-hydrocarbon alcohol production device body, a motor is arranged above the high-hydrocarbon alcohol production device body, and a stirring shaft positioned in the high-hydrocarbon alcohol production device body is connected below the motor. Positioning insertion blocks are fixedly arranged on four end feet of the upper end and the lower end of the interior of the high hydrocarbon alcohol production device body, a filter cartridge is mounted on the outer portion of the spiral stirring blade in a sleeving mode, and upper positioning insertion holes are formed in four end feet of the upper end face of the filter cartridge; lower positioning insertion holes are formed in four end feet of the lower end surface of the filter cartridge; according to the high-hydrocarbon alcohol production device, impurities in raw materials are filtered once through the filter screen in the feed hopper, the raw materials enter the filter cartridge and can be filtered for the second time through the filter cartridge, the overall filtering effect is improved, and the overall working efficiency is improved through the filtering function of the high-hydrocarbon alcohol production device body.

The utility model relates to a kind of yeast supplement device, belong to molasses alcohol production equipment field, the yeast supplement tank bottom of the yeast supplement device is provided with bottom liquid outlet pipe, the lateral connection of bottom liquid outlet pipe has first shunt pipe, right side is provided with second shunt pipe, at least two groups of sugar juice fermentation tank can be connected, at least two groups of sugar juice fermentation tank can be realized yeast supplement, two groups of sugar juice fermentation tank can simultaneously supplement yeast;In addition, waste honey is fermented to produce yeast in yeast supplement tank, waste honey is diluted into the concentration suitable for yeast propagation after entering into dilution tank from waste honey tank, and then added to yeast supplement tank to carry out yeast fermentation propagation, and waste honey sugar is effectively recycled.

The utility model discloses a steam inlet pressure regulation and control structure of an alcohol distillation single tower, and belongs to the technical field of alcohol production. The structure comprises an alcohol distillation single tower, an industrial steam pipe and a controller, the industrial steam pipe is connected with an air inlet in the lower portion of the alcohol distillation single tower, a real-time air pressure adjusting assembly and an air pressure detecting assembly are arranged on the industrial steam pipe, and the air pressure detecting assembly is located between the real-time air pressure adjusting assembly and the alcohol distillation single tower. The controller is electrically connected with the real-time air pressure adjusting assembly and the air pressure detecting assembly. The real-time air pressure adjusting assembly can adjust the pressure of the industrial steam in time according to the pressure set by the controller, the delay phenomenon is avoided, the pressure of the industrial steam entering the tower bottom tends to be stable, it is guaranteed that the temperature of all areas in the alcohol distillation single tower is stable, large deviation does not occur, and it is guaranteed that the capacity of the alcohol distillation single tower is stable; therefore, the recovery rate of the alcohol distillation single tower is improved, and the recovered alcohol concentration meets the quality requirement.