15results about How to "Avoid product quality degradation" patented technology

The invention relates to the technical field of production of amino chemical products, in particular to a safety production process of amino chemical products, which comprises a bottom plate, a stirring mechanism and a driving unit. The amino acid solution is heated at different positions inside and outside the solution at the same time, so that the amino acid solution is uniformly heated, the evaporation and concentration speed of the amino acid solution is increased, and the time consumed for solution evaporation is shortened; the evaporation and concentration of the amino acid solution are more uniform, the problem that the product quality is reduced due to inconsistent crystallization of amino acid is avoided, meanwhile, the added seed crystals are uniformly distributed in the amino acid solution through the stirring mechanism, and the problem that the crystallization efficiency of the amino acid is lower due to non-uniform distribution of the seed crystals is avoided.

The utility model belongs to the technical field of polyester yarn elasticizing, and particularly relates to a high-toughness fine-denier polyester DTY elasticizing device which comprises a rectangular box, a box cover is arranged on the top of the rectangular box, elasticizing equipment is arranged in the rectangular box, a rectangular barrel is arranged on the front face of the rectangular box, and a first U-shaped barrel and a second U-shaped barrel are arranged on the two sides of the rectangular barrel respectively. Through the arrangement of the water pump, the spraying shower head, the water suction pipe and the water guide hopper, air in the elasticizing mechanism is sucked into the rectangular barrel together with the first fan during elasticizing, water in the water guide hopper is sucked into the water pump and guided into the spraying shower head through the water suction pipe, the water in the water guide hopper is sucked into the water pump, and the water in the water guide hopper is sucked into the spraying shower head through the water suction pipe. And the spraying shower head sprays water mist to the sucked polyester yarns, and wet fluff falls on the filter plate, so that the situation that fine fluff is sucked by the second fan and is fed into the elasticizing equipment again, and waste chips are gathered in the equipment can be effectively prevented.

The utility model belongs to the technical field of egg packaging, and particularly relates to egg packaging equipment which comprises a packaging machine, a control panel is arranged on one side of the packaging machine, a conveying table is welded to the bottom end of the packaging machine, a conveying structure is arranged in the conveying table and comprises a first motor, the output end of the first motor is connected with a driving shaft, and the output end of the first motor is connected with the driving shaft. Two groups of driving gears are welded outside the driving shaft, the driving gears are in meshed connection with a transmission crawler belt, and the other end of the transmission crawler belt is in meshed connection with a transmission gear; according to the egg distribution device, the shifting pieces are additionally arranged at the ports of the flow distribution plates, eggs are distributed to the rails through the shifting pieces, and therefore the problem of production delay caused by egg blocking is avoided, the bulbs are additionally arranged at the bottom of the transmission structure, and the light-transmitting plate is additionally arranged in the center of the conveying belt, so that when the eggs are conveyed, the production efficiency is improved. The quality of the eggs is distinguished according to the light transmission condition of the eggs, so that the problem that the product quality is reduced due to the fact that bad eggs and dead eggs are packaged and sent out by equipment is solved.

The present application relates to the technical field of feed processing, and particularly relates to a preparation method of Maotai-flavor distiller's grains fermented feed, which comprises the following steps: drying treatment based on the moisture content of Maotai-flavor distiller's grains to obtain basic distiller's grains; determining the strain ratio of brewer's yeast, bacillus subtilis and aspergillus niger based on the tannin content of the basic distiller's grains to obtain a compound fermentation inoculant; inoculating and then fermenting; determining state evaluation parameters based on the total polyphenol accumulation rate, the dissolved oxygen consumption rate and the microbial activity index during the fermentation process, and performing qualified evaluation, and dynamically adjusting when unqualified; determining the fermentation end point based on the tannin degradation rate and the total polyphenol accumulation rate; and mixing the fermented distiller's grains with the basic feed at a mass ratio of 1% after low-temperature drying of the fermented distiller's grains. The present application realizes three-layer control of raw material evaluation, process control and end point determination, significantly improves the stability and content of functional active ingredients in the product, reduces the tannin and safety risk, and has a good intestinal health improvement effect on animals.

The utility model provides a plastic part slotting limiting structure, which relates to the technical field of plastic part slotting auxiliary structures, and comprises a limiting platform, a plastic part is arranged in the limiting platform, a pressing device is fixed in the limiting platform, the pressing device comprises a supporting flat plate, and a supporting wall is fixed on the upper end face of the supporting flat plate. A pressing block is fixed to the front end face of the limiting block; a positioning block is fixed to the upper end of the limiting platform; a pushing plate is rotationally connected to the side end face of the supporting wall; a handle is fixed to the upper end face of the pushing plate; an auxiliary pressing plate is fixed to the other end of the connecting spring and slidably connected with the inner wall of the pushing plate, and the novel pressing device is adopted and installed, so that the time for fixing the plastic part in the machining process is shortened, and the machining efficiency is improved.

The invention provides sebacic acid polycarbonate polyether polyol and a production process thereof, and relates to the technical field of chemical engineering. The production process is carried out in a tubular reaction device, and raw materials are premixed and then fed into a reaction pipeline for polymerization reaction at one time. In the polymerization reaction process, the residual sebacic acid can be effectively reduced by performing refined temperature control, replenishing the catalyst in the middle and rear sections of the reaction and increasing the circulating flow rate, the acid value of the obtained product is lower than 0.3 mgKOH / g, the molecular difference index is smaller than 3%, and the application scene of the polyhydric alcohol is greatly expanded. The production process is carried out in a tubular reaction device, so that reaction conditions and parameters are easy to control, and the method can be suitable for large-scale industrial production.

The utility model relates to the technical field of automobile production, and discloses a three-station eccentric wheel press fitting device which comprises a workbench, a first hydraulic rod is fixedly connected into the workbench, the output end of the first hydraulic rod is fixedly connected with a first fixing block, and a first rotating block is rotationally connected into the first fixing block. A fixed shaft is fixedly connected to the interior of the first rotating block, a sliding block is rotatably connected to the outer wall of the fixed shaft, a clamping block is fixedly connected to one side of the outer wall of the sliding block, a sliding groove is formed in the workbench, the outer wall of the clamping block is slidably connected to the inner wall of the sliding groove, and a limiting groove is formed in the workbench. And one side of the outer wall of the clamping block is slidably connected to the inner wall of the limiting groove, and the outer wall of the workbench is fixedly connected with a first connecting plate. According to the clamping device, the hydraulic rod is arranged to drive the fixing shaft to move, the clamping block slides in the sliding groove, the limiting groove limits the clamping block, and therefore a workpiece is fixed, follow-up press-fitting treatment is facilitated, and working efficiency is improved.

The present invention relates to the field of construction equipment technology, and in particular to a preparation method and equipment for green energy-saving integrated bricklaying and plugging materials. The preparation method includes the following steps: washing, drying, crushing and screening the selected raw materials through a preparation tank, mixing and stirring the screened mixed raw materials through a stirring tank; dust removal treatment for the dust generated during the mixing process of the mixed raw materials; primary stirring and secondary stirring of the mixed raw materials after dust removal treatment, and making the dust removal process more standardized by controlling the extraction speed of the dust removal device; secondary determination of the transition from the block stage to the stirring stage by an imaging device; generating a corresponding torque change curve by a first torque sensor and a second torque sensor, and analyzing the change curve to determine whether the mixed raw materials are mixed uniformly. The present invention solves the problem that the quality of the final mixed product cannot be guaranteed due to the lack of a method for uniformly mixing the raw materials.

The utility model relates to the technical field of injection molds, in particular to an automobile part injection mold, which comprises a female mold body and a male mold body matched with the female mold body, a female mold cavity is arranged in the middle of the female mold body, a female mold matching surface is arranged in the middle of the female mold cavity, an edge tearing groove is arranged outside the female mold cavity, and a plurality of flash grooves are uniformly arranged outside the edge tearing groove. A first hot runner injection port is formed in the middle of the female mold body, a second hot runner injection port is formed in the middle of the male mold body, a female mold cooling runner is formed in the female mold body, a male mold cavity is formed in the middle of the male mold body, and a male mold matching surface is formed in the male mold cavity. Compared with the prior art, the material head is effectively prevented from being generated, the material head does not need to be cut, multi-point uniform injection of material liquid is achieved through the multiple hot runner material injection openings, the uniformity in the injection molding production process is improved, and the problem that the product quality is reduced due to material overflowing is solved through the arrangement of the edge tearing groove and the material overflowing groove.

This invention discloses a homogenizing device for fragrance production, relating to the field of specialized machinery for fragrance processing. The homogenizing device includes a homogenizing tank, a support plate fixed to the bottom of the tank, a motor fixed to the side wall of the tank, a rotating rod fixed to the output end of the motor, a stirring spiral ring fixed to the outer wall of the rotating rod, and a connecting block penetrating the top of the tank. When the temperature inside the homogenizing tank reaches the critical volatilization temperature of the volatile components in the fragrance, this homogenizing device can actively cool the copper plate by incorporating a semiconductor cooling chip, a temperature sensor, copper pipes, a control panel, and a copper plate. Since the copper plate is fixed inside the homogenizing tank, its cooling effect can be directly transferred to the tank and the fragrance materials inside, thereby achieving an overall cooling effect on the homogenizing tank and effectively preventing the loss of aroma components due to high temperature volatilization, thus avoiding a decline in product quality.

The utility model provides a chute structure for trimming shears and the trimming shears, and the chute structure for the trimming shears comprises a bracket part, a chute part and a chute part, the groove body part is provided with a material passing channel and a notch which are communicated with each other, the notch is formed in the extending direction of the material passing channel, and the feeding end of the material passing channel is used for being arranged corresponding to the waste discharge side of the trimming shear; the gland part is rotationally arranged on the support part and used for covering or opening the notch, and the gland part is provided with a covering position and an opening position in the rotating direction; under the condition that the gland part is located at the covering position, the gland part covers the notch; and under the condition that the gland part is located at the opening position, the notch is opened by the gland part. According to the chute structure for the trimming shears, based on the arrangement, the notch can be covered and opened more conveniently, an operator can dredge a material passing channel through the notch more conveniently, meanwhile, the operator can find and quickly deal with the blockage problem conveniently, labor cost and time cost can be saved, and production efficiency can be improved.

The utility model discloses a downcomer, which belongs to the technical field of downcomers and comprises a downcomer body, the upper side of the downcomer body is fixedly connected with a first fixing plate, and the lower side of the first fixing plate is fixedly connected with a plurality of second fixing plates. The end, away from the winding shaft, of the connecting belt is connected with a limiting frame in sliding connection with the downcomer body, a sliding groove is formed in the side edge of the downcomer body, a sliding block is fixedly connected to the side edge of the limiting frame, and a second motor is fixedly connected to the lower side of the limiting frame. A connecting belt is driven to be wound, a limiting frame and a second motor are driven to move up and down, the second motor is started to drive a rotating shaft to rotate, a first connecting plate is driven to rotate, a scraping plate is driven to rotate, impurities on the inner wall of the downcomer body are cleaned, and meanwhile the second connecting plate rotates to drive a first cleaning brush to rotate; and the inner wall of the downcomer body is cleaned.

This invention belongs to the field of electrochemical separation and resource recovery technology, and discloses a three-chamber bipolar membrane electrodialysis purification and alkali regeneration system and method. The system includes a membrane stack composed of repeating units, each of which is sequentially arranged along the ion migration direction as a bipolar membrane, acid chamber, anion exchange membrane, salt chamber, cation exchange membrane, alkali chamber, and bipolar membrane. A mixture containing organic acid salts and an alkaline electrolyte is introduced into the salt chamber. Under the action of a DC electric field, the bipolar membrane dissociates water in situ into hydrogen ions and hydroxide ions. Organic acid ions migrate to the acid chamber to generate organic acids, while alkali metal cations migrate to the alkali chamber to generate regenerated alkali solution. The regenerated alkali solution is returned to the electrolytic cell for recycling. This invention eliminates the need for external acidification reagents and can simultaneously achieve organic acid purification and in-situ alkali regeneration under mild conditions. It has the advantages of high product purity, low energy consumption, no by-salt pollution, and suitability for industrial scale-up.

The utility model discloses a glass steel -toughening furnace with preheating mechanism belongs to glass steel -toughening furnace technical field, including the toughening furnace main part, the feed inlet position department of toughening furnace main part is installed with the feeding pedestal, the upper surface fixed mounting of feeding pedestal is installed with the mounting bracket, be provided with two mounting plates between feeding pedestal and mounting bracket, two the mounting plate is below one after another opposite layout, the opposite face of two mounting plate all fixed mounting has preheating heating plate, the mounting plate fixed mounting in the inner wall of feeding pedestal in lower position, through setting two preheating heating plates of up and down cooperation feeding pedestal uses, can realize preheating heating before material enters to the inside of toughening furnace main part, promotes material initial temperature, effectively prevents the phenomenon of the rupture of high temperature that meets and is directly sent into the inside of toughening furnace main part, and the preheating heating plate of upper side can carry out the adjustment on height, is suitable for different thickness material preheating heating use.