87 results about "Acid preparations" patented technology

The invention relates to the technical field of feed additives, and discloses a feed additive and application thereof in yak breeding. The feed additive comprises the following raw materials in parts by mass: 10-20 parts of mixed bean flour, 5-10 parts of a traditional Chinese medicine extract, 3-5 parts of lactic acid bacteria and 1-3 parts of an acid preparation. The feed additive provided by the invention significantly inhibits the expression of foot and mouth disease virus mRNA and inhibits the replication of foot and mouth disease virus; when the feed additive provided by the invention is added into daily feed for yaks, the foot-and-mouth disease of yaks can be effectively prevented and treated.

The invention discloses an automatic sulfuric acid adjusting system for beneficiation wastewater treatment and a control method, and relates to the technical field of beneficiation wastewater treatment.The automatic sulfuric acid adjusting system for beneficiation wastewater treatment comprises an outer drainage pool, a pipe network assembly, a measuring assembly, a stirring assembly and a controller. In the using process, the controller obtains the reserve amount of the dilute sulfuric acid, when the reserve amount of the dilute sulfuric acid is insufficient, the acid preparation process is called to execute the acid preparation process, when the reserve amount of the dilute sulfuric acid is sufficient and the PH of the discharged water needs to be adjusted, the PH adjustment process executes the PH adjustment process, the whole process does not need to make contact with the sulfuric acid, and the personal safety of production personnel is guaranteed.

A hypochlorous acid preparation system is provided. The hypochlorous acid preparation system includes: a hypochlorous acid preparation apparatus comprising: a first inlet, wherein sulfuric acid collected from a clean room located in a semiconductor fabrication plant enters the hypochlorous acid preparation apparatus through the first inlet; a second inlet, wherein sodium hypochlorite solution enters the hypochlorous acid preparation apparatus through the second inlet; a third inlet, wherein deionized water enters the hypochlorous acid preparation apparatus through the third inlet; and an outlet, wherein hypochlorous acid is produced in situ by mixing the sulfuric acid, the sodium hypochlorite solution, and the deionized water and exits the hypochlorous acid preparation apparatus through the outlet.

The invention relates to a hydroiodic acid preparation device and method, and relates to the technical field of new energy. The hydriodic acid preparation device comprises a first phosphoric acid circulating device, a second phosphoric acid circulating device, a hydriodic acid circulating device, a deiodide ion device and a membrane module, and the membrane module comprises a first phosphoric acid chamber, a second phosphoric acid chamber and a hydriodic acid chamber which are sequentially arranged and are in fluid communication. The second phosphoric acid chamber is communicated with the iodide ion removal device, so that even if a small amount of iodide ions enter the second phosphoric acid chamber, the iodide ions can enter the iodide ion removal device along with the circulation of the liquid to be subjected to deiodination treatment, the liquid subjected to deiodination treatment returns to the membrane module again to be recycled, and at the moment, the iodide ions contained in the circulating liquid do not exceed the standard; the iodide ions in the second phosphoric acid chamber cannot migrate to the first phosphoric acid chamber, so that the anode membrane cannot be damaged due to migration of the iodide ions, the service life of the membrane module can be greatly prolonged, and the production efficiency of the membrane module can be greatly improved.

The present invention relates to the technical field of H acid preparation, and in particular to a process for producing H acid by alkali fusion under an ammonia environment. Amino T acid generates a chromotropic acid byproduct during alkali fusion, and the chromotropic acid is the amino group of H acid replaced by a hydroxyl group. The hydroxyl group on the naphthalene ring can generate an amino group under the catalysis of sulfite, so the chromotropic acid generates H acid under an ammonia environment. In the present invention, alkali fusion under an ammonia environment can effectively inhibit the generation of chromotropic acid by the side reaction of alkali fusion, and improve the H acid yield. Based on amino T acid, the H acid yield can be increased to about 85%, effectively reducing the cost.

The utility model relates to a nickel sulfate solution oil removal and acid preparation process acid mist treatment system, which comprises an alkali liquor source and a washing assembly, the washing assembly comprises an acid mist absorption tower, a circulation box, a reflux pump, a sprayer and a PH detector, a reflux inlet of the acid mist absorption tower is communicated with the circulation box, the circulation box is provided with an alkali adding port communicated with the alkali liquor source, and the alkali adding port is communicated with the alkali liquor source. A liquid outlet of the circulation box is communicated with the sprayer through the reflux pump, the sprayer is mounted in the acid mist absorption tower, the PH detector is mounted on the circulation box, and the detection end of the PH detector extends into the circulation box; the circulating box can receive a solution from the bottom of the acid mist absorption tower, alkali liquor is added into the circulating box through the alkali liquor source so as to accurately adjust the pH value of the solution in the circulating box, and the pH value is adjusted in the circulating box instead of the acid mist absorption tower, so that the pH value of the solution can be accurately adjusted in the process of adjusting the pH value of the solution. And the pH value of the solution sprayed by the sprayer can be accurately controlled through the reflux pump.

The invention belongs to the technical field of plant essential oil emulsification, and particularly relates to an acidified nano sweet orange essential oil growth promoting emulsion as well as a preparation method and application thereof. The growth promoting emulsion is composed of a composite acid preparation and a dispersion phase according to a mass ratio of (24-44): 3. The composite acid preparation is composed of sodium diacetate, calcium propionate and water according to the mass ratio of (1-2): (1-5): (4-16). The dispersion phase is composed of a compound emulsifier and sweet orange essential oil according to a mass ratio of (1-2): 1. The preparation method comprises the following steps: uniformly mixing the composite acid preparation and the dispersion phase according to a mass ratio, shearing to obtain a coarse emulsion, and homogenizing at high pressure to obtain the composite acid-based emulsion. According to the acidified nano sweet orange essential oil growth-promoting emulsion, the organic acid and the sweet orange essential oil are combined for use, the compound emulsifier is rapidly emulsified, and the acidified nano sweet orange essential oil growth-promoting emulsion has good stability and can be used for increasing the body weight of broilers, improving the nutrient digestibility, reducing the content of inflammatory factors in serum and promoting intestinal health when being used in broiler breeding.

The invention relates to the technical field of acid recycling, in particular to an acid recycling system and method. Comprising a first pickling tank, a second pickling tank and a third pickling tank, an acid mist evaporator is arranged on the first pickling tank, an acid preparation barrel and an acid mist condenser are arranged on the third pickling tank, air suction pipes are arranged on the first pickling tank, the second pickling tank and the third pickling tank, and acid washing towers are arranged on the air suction pipes. The method comprises the following steps: collecting acid liquor in an acid washing tower, discharging the acid liquor into an acid mist evaporator, collecting acid mist generated in an operation process of the acid liquor into the acid washing tower, then generating acid-containing wastewater, discharging the acid-containing wastewater into the acid mist evaporator, heating and separating the acid-containing wastewater and waste acid after the acid-containing wastewater and the waste acid enter the acid mist evaporator to generate high-temperature acid mist and wastewater, and discharging the wastewater. And the high-temperature acid mist enters the acid mist condenser to be condensed to form high-concentration recycled acid, and the recycled acid can be added into the third pickling tank again to be recycled.

A dispenser for receiving and evaporating a liquid formic acid preparation for combatting varroa mites in a bee hive, the dispenser including an evaporation surface, an evaporation container; a storage container connected to the evaporation container and sealed from the outside in a vapour-tight manner for storing an entire treatment dose of the liquid formic acid preparation; a closable liquid-conducting connection between the storage container and the evaporation container for transferring the liquid formic acid preparation from the storage container to the evaporation container; wherein the evaporation surface is a gas-permeable, fine-pored membrane with a solid content of less than 70% and continuous, exclusively gas-filled pores with a width of between 10 nm and 1000 nm as part of an outer boundary of the evaporation container, the membrane impermeable to liquid mixtures of formic acid and water and liquid-tight under the dynamic pressure of the liquid formic acid preparation.

The utility model discloses an electrolyte additive feeding device. Belongs to the technical field of lead-acid storage battery acid preparation. The problems that fumed silica powder drifts away, personal safety hazards exist and environmental pollution exists during manual weighing and adding in the prior art are mainly solved. The device is mainly characterized by consisting of a storage tank, a feeding tank, an acid preparation tank, a powder flowmeter, a high-pressure gas source, a negative pressure system, a connecting pipeline and a control valve, the storage tank, the feeding tank and the acid preparation tank are all closed tank bodies; a powder flow meter is arranged on a connecting pipeline between the storage tank and the feeding tank; a control valve is arranged on the discharge pipe between the feed tank and the acid preparation tank; and control valves are arranged on connecting pipelines for connecting the high-pressure air source and the negative-pressure system with the feeding tank. The device provided by the utility model has the characteristics that the additive can be weighed in a negative-pressure closed environment and the weighed additive can be directly introduced below the liquid level of the electrolyte, and is mainly used for weighing and adding fumed silica in the process of preparing the electrolyte of the storage battery.

This invention belongs to the field of oil and gas field development technology, and specifically relates to an acid tank preparation and filtration device. It includes a first installation pipe, a second installation pipe, and an acid preparation and circulation pipeline fixedly installed between the first and second installation pipes. The first and second installation pipes are connected to the acid preparation and circulation pipeline via unions. A first valve and a second valve are respectively installed on the first and second installation pipes. A filter screen is installed inside the acid preparation and circulation pipeline. This invention utilizes the circulation time of the prepared acid solution to filter difficult-to-dissolve chemical materials and other solid particles in the acid tank, saving water used for cleaning the acid tank, reducing the safety risks of cleaning the acid tank, lowering the probability of fracturing trucks running dry, improving the first-time success rate of acid fracturing operations, greatly simplifying the acid tank cleaning process, and providing convenient maintenance and safe filtration operations.

The utility model relates to the technical field of composite acid preparation processing, and provides a composite acid preparation adding and mixing device which comprises a mixing barrel for adding a composite acid preparation, an adjusting assembly for adjusting the direction of the mixing barrel is arranged between the mixing barrel and a wall body, and a fixing plate is transversely arranged at the top end of the mixing barrel. A rotating part is vertically fixed in the middle of the fixing plate, the output end of the rotating part is connected with a rotating shaft extending to the mixing barrel, a stirring disc for stirring the mixing barrel is arranged at the bottom of the rotating shaft, a liquid outlet is communicated with the middle of the bottom end of the mixing barrel, and a stirring rod is connected to the position, located in the liquid outlet, of the bottom of the rotating shaft in a sleeving mode. Through the use of the adjusting assembly, the direction of the mixing barrel after installation can be adjusted, the use of the rotating piece drives the rotating shaft to rotate, the rotation of the rotating shaft drives the stirring disc to stir the composite acid preparation in the mixing barrel, and the rotation of the stirring rod is convenient to drive the rotation of the interior of the liquid outlet.

The utility model discloses a device for quantitatively producing low-concentration acid, which comprises a raw material box for containing solid raw materials; the conveying tube nest is connected with an outlet of the raw material box and used for conveying solid raw materials; the reaction chamber wraps the conveying tube nest, a water inlet is formed in one side of the reaction chamber, an acid outlet is formed in the other side of the reaction chamber, and a dosing port is formed in the other side of the reaction chamber; a plurality of reaction holes are formed in the surfaces of the conveying tube nests, and liquid fed from the dosing port and the water inlet enters from the reaction holes and reacts with the solid raw materials. And a circulating pipe is arranged between the acid outlet and the water inlet. A heat tracing band is arranged on one side, close to the acid outlet, of the circulating pipe. A drain outlet is formed in one side of the reaction chamber. And a transparent observation window is arranged on the raw material box. And a pH sensor is arranged at the acid outlet. The problems that existing acid preparation equipment is high in cost, poor in flexibility and low in safety are solved.

The present invention belongs to the technical field of feed additives, and specifically relates to a coated tannic acid preparation for weaned piglets, and a preparation method and use thereof. In view of the existing problems that weaned piglets are prone to high diarrhea rate, low feed intake, reduced immune function, and poor growth, the present invention provides a coated tannic acid preparation for weaned piglets. The coated tannic acid preparation for weaned piglets described in the present invention comprises: by weight percentage, 70-80% of the main material and 20-30% of the auxiliary material; the main material is a mixture of tannic acid, chlorogenic acid and hesperidin; the auxiliary material is a mixture of corn starch, β-cyclodextrin, sodium alginate, palm oil, acrylic resin and hydroxypropyl methylcellulose acetate succinate. The present invention also provides a preparation method and use of the above-mentioned preparation. The preparation of the present invention can improve the palatability of feed, reduce the diarrhea rate of weaned piglets, repair damaged intestines of weaned piglets, maintain the balance of intestinal microbial cells, and improve the disease resistance of weaned piglets.

The utility model discloses a circulating water acidification device which comprises a transfer tank, the transfer tank is provided with a liquid level meter, an input end and a breather valve, the bottom of the liquid level meter is connected with an output end, an overflow plate and a partition plate are arranged in the transfer tank, the interior of the transfer tank is divided into three tank bodies, namely a sedimentation tank, a buffer tank and a fusion tank, the input end injects circulating water into the sedimentation tank, and the breather valve is connected with the buffer tank. Circulating water overflows into the buffer pool from the overflow plate through precipitation, the bottom of the buffer pool is connected with a water pump through a circulating water pipeline, and the water pump is communicated with the fusion pool through an acid preparation pipeline. According to the circulating water acid adding device, the transfer tank on the circulating line is transformed and divided into the sedimentation tank, the buffer tank and the fusion tank, and the acid preparation tank and the acid preparation pump are added for acid preparation operation, so that the circulating water acid preparation transformation cost is saved, the existing equipment is effectively used for improvement, the design is reasonable, and the economic benefit is achieved; meanwhile, the functions of buffering circulating water, precipitating and removing impurities, proportioning and mixing are realized.

The invention discloses mixing equipment for preparing multi-hydrogen acid for acidification of an oil and gas reservoir, and relates to the field of multi-hydrogen acid preparation equipment.The mixing equipment comprises a reaction tank, a mixing part and a rotary flushing part, a mounting base is arranged at the top of the reaction tank, an interlayer cylinder is arranged on the reaction tank, a heating pipe is arranged in the interlayer cylinder, and a water inlet pipe is arranged in the interlayer cylinder; the interlayer cylinder is communicated with a water inlet pipe and a water outlet pipe respectively, a plurality of feeding pipes are arranged at the top of the reaction tank, a discharging pipe is arranged at the bottom of the reaction tank, and a first motor is fixedly mounted on the mounting seat; the stirrer and the scrapers rotate in opposite directions, so that the inner and outer layers of mixed liquid are uniformly mixed, heat exchange is facilitated, the temperatures of the inner and outer layers of the mixed liquid in the reaction tank are uniform, and spiral vortexes are formed among the mixed liquid at different depths in the rotating process of the stirrer; the mixed liquid of each group of stirrers exchanges with each other, so that the flowability among molecules in the mixed liquid is improved, and the polymerization reaction efficiency is improved.

The invention provides an environment-friendly and energy-saving glycyrrhetinic acid preparation process, and relates to the technical field of chemical processes, and the environment-friendly and energy-saving glycyrrhetinic acid preparation process comprises the following steps: S1, preparing coarse crystal mother liquor dry powder, S2, carrying out acetylation reaction, S3, separating an acetylated glycyrrhetinic acid crude product, S4, washing the crude product, and S5, drying. Effective components and most impurities in the raw materials are well separated, acetylglycyrrhizic acid with certain purity is obtained under mild conditions, the initiator is moved forward, production cost is reduced, conditions are mild, the reaction is carried out under normal pressure, energy consumption and potential safety hazards of high-pressure production are reduced, reaction time is short, and the method is suitable for industrial production. The reaction process is completed within less than one hour, so that the production cycle is shortened, the energy consumption is reduced, the production cost is low, the initial raw materials are cheap, the production process is simplified, the production cost is greatly reduced, and the pollution is small because chloroform is involved in the production, so that the pollution of an organic solvent to the environment and the harm to a human body are reduced.

The utility model discloses a BE acid preparation device, which relates to the technical field of chemical engineering and comprises a chlorobenzene cleaning high-level tank, an ethylbenzene storage tank, a feeding bin, an acylation reaction kettle, a hydrolysis kettle and a condenser group, and the acylation reaction kettle is connected with the hydrolysis kettle through a pipeline. Therefore, the tail gas generated in the hydrolysis kettle is sent to the condenser set for condensation treatment, reaction raw materials such as ethylbenzene and chlorobenzene evaporated due to high temperature are promoted to be condensed and recycled, the cost is reduced, and waste of the raw materials is avoided.

The utility model relates to the technical field of acid preparation devices, and discloses an acid preparation device applied to lithium battery recovery, which comprises a gas filter box, an upper cover and a receiving box, the receiving box is positioned in the gas filter box, a plurality of exhaust holes are arranged at the bottom of the receiving box, a filter layer is arranged at the top of each exhaust hole, and the upper cover is arranged at the bottom of the receiving box. The filtering layer is laid in the receiving box, the upper cover is located at the top of the filtering layer and fixedly connected to the top of the gas filtering box through bolts, the top of the upper cover is fixedly connected with a first smoke inlet pipe and a second smoke inlet pipe, and the top ends of the first smoke inlet pipe and the second smoke inlet pipe are fixedly connected with smoke pipes. Acid gas in the acid preparation tank and the storage tank is exhausted into the gas filter box through the flue gas pipe, harmful substances are filtered by the acid gas through the filter layer, so that the acid gas is purified, the purified gas enters the exhaust cavity through the exhaust hole and then is exhausted out of the gas filter box through the vent hole, and the filter layer is convenient to replace.

The utility model discloses an acid burning device for preparing regenerated sulfuric acid by blending with waste alkane from waste acid, which relates to the technical field of waste acid preparation, and comprises an incinerator, a natural gas inlet pipeline and an air inlet pipeline, a spray head is arranged at the discharging end of the feeding pipeline and discharges materials into the incinerator, the spray head comprises a spray base and a nozzle, and a static mixer is arranged on the feeding pipeline in the feeding conveying direction. The feeding end of the feeding pipeline is communicated with a waste alkane inlet pipeline and a waste acid inlet pipeline. On the basis of the existing structure, a set of waste alkane blending combustion structure is added, and the waste acid spray head is further improved, so that waste alkane becomes acid combustion fuel, the spray nozzle of the waste acid spray head can be locally replaced, the comprehensive utilization rate is improved, and meanwhile, the cost is saved.

The utility model discloses an automatic acid preparation device of a ceramic machine. The automatic acid preparation device comprises a bracket, a concentrated acid box, an acid preparation box, an acid storage box and a stirring component, the acid preparation box is mounted at the top of the bracket, and the acid storage box is mounted on the side; the top of the acid preparation box is provided with a concentrated acid box, the concentrated acid box is provided with a water inlet pipe with a switch valve and a pipe fitting communicated with the top of the acid storage box, the box body is internally provided with a stirring assembly, and the pipe fitting is further provided with a switch A; the concentrated acid tank is provided with an acid inlet pipe and a liquid discharge pipe, the liquid discharge pipe is communicated with the top of the acid preparation tank, and the acid inlet pipe and the liquid discharge pipe are respectively provided with a switch B and a switch C; a backwash pump is arranged on the side edge of the acid storage barrel; according to the stirring assembly, sufficient mixing is achieved, and the influence of concentration fluctuation on the cleaning effect is avoided; the concentrated acid tank and the acid storage tank are separated, so that continuous production and acid preparation operation can be simultaneously carried out, the production process is optimized, and the production continuity is ensured; the improved acid preparation process is beneficial to reducing the scaling and blocking phenomena of the ceramic plate and maintaining a good working state of equipment.

The utility model provides a kind of sulphuric acid solution preparation device, it is related to sulphuric acid preparation technical field, including shell, the bottom of shell is equipped with a set of electric push rod, the top of electric push rod is equipped with lifting platform, the top of lifting platform is equipped with recess, recess is equipped with clamping assembly, container is equipped between clamping assembly, the top of shell is equipped with U-shaped support, the top of U-shaped support is equipped with motor one, the output end of motor one is connected with rotating disc and penetrates U-shaped support, the bottom of rotating disc is connected with stirring frame by connecting rod, the inside of stirring frame is equipped with cooling liquid pipe, and the side of stirring frame is equipped with rotating rod, the bottom of rotating rod is equipped with liquid receiving tray.This device solves the problem that the present sulphuric acid solution preparation device may have residual solution when in use, direct taking may cause injury and only using the heat dissipation mode of heat dissipation hole, the heat dissipation efficiency is lower.

The invention discloses a microreactor continuous nitration preparation method for 2-amino-4-nitrotoluene. The method comprises the following steps: salt formation: o-toluidine is dropwise added to concentrated sulfuric acid, and water is added to control the temperature to 0-35°C to obtain o-toluidine sulfate; mixed acid preparation: 98% concentrated sulfuric acid is added to 50-75% industrial nitric acid in batches, and the temperature is controlled to be 0-35°C; nitration: o-toluidine sulfate and mixed acid are respectively controlled to enter a microchannel reactor through an injection pump, and gas is introduced simultaneously, the nitration temperature is controlled to be 0-35°C, and the total residence time is 0.5-10 minutes; a microchannel end is treated with water to precipitate a solid, and a water precipitate is obtained by filtration; neutralization: the water precipitate is added to water, neutralized with alkali to neutrality, and filtered to obtain a product. The invention uses 50-75% nitric acid instead of fuming nitric acid, thereby shortening the reaction time and reducing the risk factor of the reaction while ensuring the conversion rate; and changing the size of the microchannel reactor can also increase the production capacity.

The utility model discloses a direct supply device for monoammonium phosphate battery grade slurry, which is used for improving the filling efficiency of a tank truck. The device comprises a first acid preparation tank and a second acid preparation tank which are used for storing and preparing raw material acid; the tubular reaction tank is respectively communicated with the first acid preparation tank and the second acid preparation tank and is used for receiving production acid through a communicated pipeline; the environment-friendly ground tank is respectively communicated with the first acid preparation tank, the second acid preparation tank, the washing tower, the tubular reaction tank, the environment-friendly ground tank and the slurry storage tank and is used for receiving waste materials; the washing tower is communicated with the tubular reaction tank and is used for receiving the waste gas discharged by the tubular reaction tank and washing the waste gas; the buffer tank is communicated with the tubular reaction tank and is used for receiving the slurry output by the tubular reaction tank through a communicated pipeline; the slurry storage tank is communicated with the buffer tank, receives the slurry output by the buffer tank through a communicated pipeline and stores the slurry; and the filling platform is communicated with the slurry storage tank, receives the slurry output by the slurry storage tank through a communicated pipeline, and fills the tank car.

The application discloses a kind of metal plate pickling process, including acid preparation, plate into pool, washing, flushing, air drying.Preferably including the spacer bar that is evenly arranged between upper and lower adjacent plate;Before plate is flushed one by one, it further includes using rotary brush to mechanically clean the surface of plate, and the surface of the rotary brush is evenly distributed with water outlet hole;Air dryer is arranged at the both sides of plate advancing direction, and the air outlet of the air dryer of both sides is staggered corresponding technology.Through the method, steel and other metals (such as titanium, nickel alloy, stainless steel metal plate) pickling can be guided, to the industrialization application of other metal pickling except steel at present, improve the development progress of the pickling process of other metal.And in the subsequent treatment after pickling, the method can further improve the pickling quality and the surface quality of plate by optimizing the process steps such as washing, drying.

The present invention relates to a method for recovering titanium dioxide from waste titanium dioxide acid, comprising the following steps: 1) adding 98% concentrated sulfuric acid to the waste acid produced in the sulfuric acid process for titanium dioxide preparation, wherein the temperature is controlled to not exceed 50°C during the acid preparation process; and 2) aging the mixed solution after the acid preparation process, filtering and separating the mixed solution, and returning the filtrate to the acid hydrolysis step in the sulfuric acid process for titanium dioxide preparation. The method of the present invention can simultaneously reuse the waste acid from the titanium dioxide process and recover titanium by controlling the temperature of the acid preparation process. The method is simple and easy to implement. Furthermore, the method can reduce the titanium content in the ferrous iron (II) obtained from the recovered filter cake, thereby improving the purity and quality of the ferrous iron (II) iron (II).

The invention discloses a preparation method of a polyglycolic acid composition, the composition and application, and relates to the technical field of polymer synthesis, the preparation method of the polyglycolic acid composition comprises the following steps: step 1) carrying out normal pressure condensation polymerization on components including a hydroxy acid monomer, a small molecule initiator, a large molecule initiator and a catalyst; and step 2) continuously performing reduced pressure polycondensation reaction on the reaction system in the step 1) to prepare the polyglycolic acid composition. The polyglycolic acid composition provided by the invention can be prepared in a simple, green and low-cost manner by introducing a macromolecular initiator into a polymerization system, the overall molecular weight and melt viscosity of the polyglycolic acid composition are greatly improved compared with those of an existing one-step polyglycolic acid preparation technology, and the application requirements in the fields of injection molding, film bags, foaming and the like can be met.

The utility model discloses wet-process acid making equipment, and particularly relates to the technical field of wet-process acid making, the wet-process acid making equipment comprises a base, a waste heat boiler, an oxidation reactor and an absorption tower which are sequentially distributed from left to right are fixedly arranged at the top of the base, the waste heat boiler is communicated with the oxidation reactor through a pipeline, and the oxidation reactor is communicated with the absorption tower through a pipeline. The top of the base is fixedly provided with a wastewater recovery assembly, the wastewater recovery assembly comprises a sedimentation tank and a filtering tank which are fixed at the top of the base, the sedimentation tank is respectively communicated with the waste heat boiler, the oxidation reactor and the absorption tower, and a detachable hollow pipe is fixedly arranged in the filtering tank. According to the utility model, the waste heat boiler, the oxidation reactor and the absorption tower are matched to prepare acid, and the settling pond and the filtering tank are matched to filter wastewater generated by acid preparation, so that the wastewater can be recycled, the consumption of water resources can be reduced, and the production cost can be reduced.

The utility model relates to a tubular acid preparation device which comprises a water inlet pipe and an acid outlet pipe. The device is characterized in that one ends of the water inlet pipe and the acid outlet pipe are hermetically connected together. An acid inlet and an acid inlet pipe are arranged on the pipe wall of the water inlet pipe; a spray head is arranged in the water inlet pipe in front of the acid inlet, the front section and the rear end of the spray head are respectively a first round pipe section and a first conical section, and the first conical section corresponds to the acid inlet. A mixing pipe is arranged in the water inlet pipe behind the acid inlet, the front end and the rear end of the mixing pipe are respectively provided with a short conical inlet and a long conical outlet which are big outside and small inside, the small end of the first conical section of the spray head is flush with the short conical inlet of the mixing pipe, and a gap is reserved between the outer wall of the first conical section of the spray head and the periphery of the short conical inlet of the mixing pipe. By adopting the device, the production cost can be reduced, the production efficiency is improved, and the product quality of the amino acid compound fertilizer is ensured. The method is suitable for diluting sulfuric acid.

The utility model discloses an acid preparation tank, which relates to the technical field of petroleum equipment, and comprises a base assembly, a tank body assembly, an acid preparation assembly and an acid preparation assembly, the tank body assembly is fixedly arranged at the top of the base assembly, and the tank body assembly is used for installing the stirring mechanism and preparing and storing the acid liquor at the same time; the stirring mechanism comprises a fixed frame, a first rotating roller, a second rotating roller, a driving motor, a conveying belt, a movable strip, a connecting belt, a stirring rod and a fixed rod; the first rotating roller and the second rotating roller are sequentially arranged on the inner side of the fixing frame in a rotating and nesting mode through bearings from left to right, and the driving motor is fixedly arranged on the outer side of the fixing frame and is in transmission connection with the second rotating roller. Compared with the prior art, the acid preparation tank has a larger stirring area, acid liquor in the acid preparation tank body can be better stirred and mixed, meanwhile, the part which is not stirred can be stored, and the space required by the device is further reduced.