36results about How to "Prevent damp caking" patented technology

The invention discloses a high efficiency cement composite grinding additive, comprising the following raw materials by weight percent: 10-25% of calcined gypsum, 10-30% of calcined aluminite, 20-40% of sodium metasilicate, 2-4% of triethanolamine, 0.5-2% of polyacrylate, 0.5-3% of dispersant and 20-30% of zeolite powder. The preparation method of the high efficiency cement composite grinding additive comprises the following steps: first selecting raw materials, then dripping liquid raw materials-triethanolamine and polyacrylate TH-1100 with a liquid pump in zeolite powder, then preparing reinforced grinding component with a dry powder mixer, finally adding the reinforced grinding component, calcined gypsum, calcined aluminite, sodium metasilicate and dispersant in a kneader to mix for 20-30min and obtaining the product. The product has prominent grinding aid, and can increase the hourly output of mills by 10-15%, reduce the consumption of electricity, and increase the cement 3-day compression strength and the cement 7-day compression strength by more than 20% and the cement 28-day compression strength by 10-15%.

The invention belongs to the technical field of spraying devices, and particularly relates to a spraying agent spraying device for soil restoration. Directing at the problems that protecting and dehumidifying of a powdery soil restoration agent are not good, a heating device for restoration designing of solid soil does not exist, the restoration agent and water cannot be merged well enough, and the spraying effect is relatively poor, the following scheme is put forwards, a spraying box is included, and universal wheels are fixed to the outer walls of the bottom four corners of the spraying boxthrough bolts; installing plates are fixed to the outer walls of the two sides of the spraying box through bolts; the outer walls of the tops of the sides, away from the spraying box, of the two installing plates are provided with first inserting holes, and connection pipes are inserted and connected in the inner walls of the two first inserting holes; and the outer walls of the bottoms of the two connection pipes are connected with a flow dividing pipe through threads. Due to the spraying agent spraying device for soil restoration, a restoration agent which is not dissolved and caked, and mixed in water can be cut and broken, the merging degree of the restoration agent is improved, then the spraying efficiency of the spraying device is improved, and the spraying quality of the whole device is improved.

The invention discloses an instant heating type intelligent milk maker. The instant heating type intelligent milk maker comprises a machine body as well as a quantitative milk powder supply device, a milk powder blending device, a water tank, a hot water supply device, a control circuit board and a powder feeding driving device which are mounted on the machine body, wherein the hot water supply device and the powder feeding driving device are both electrically connected with the control circuit board; the quantitative milk powder supply device comprises a driving shaft, a powder feeding paddle and a milk powder case, and the powder feeding paddle is in transmission connection with the powder feeding driving device through the driving shaft; a powder discharge opening of the milk powder blending device communicates with a powder outlet of the milk powder case; the water tank communicates with a water inlet of the hot water supply device; a water outlet of the hot water supply device communicates with a water supply opening of the milk powder blending device; a steam exhaust opening enables a mixing bin to communicate with outside of the machine body. According to the instant heating type intelligent milk maker, the instant heating of hot water can be realized in need, electric power can be saved, water in the water tank is prevented from deteriorating due to repeated heating, and the condition that the milk powder is affected with damp, becomes caking and gets mildewed due to the fact that steam enters the powder outlet of the milk powder case is prevented.

The invention discloses a Chinese herbal medicine slag-type biomass glue fertilizer and a preparation method thereof. The Chinese herbal medicine slag-type biomass glue fertilizer comprises the following raw materials by weight part: 15-20 parts of cottonseed casing, 30-45 parts of Chinese herbal medicine slag, 3-5 parts of gelatin powder, 5-10 parts of laterite, 15-20 parts of paddy rice straw, 20-25 parts of sesame straw, 1-3 parts of shell powder, 2-3 parts of EM inocula, 20-25 parts of ammonium bicarbonate, 14-18 parts of potassium chloride, 10-14 parts of ammonium biphosphate, 5-10 parts of trace element, 4-5 parts of cross-linking agent and a proper amount of water. an external layer coating is a stone flour coating material bound by a cross-linking agent, caking due to damp of the fertilizer can be effectively prevented, a stable structure is provided, after fermentation of the Chinese herbal medicine slag, a straw charing material is mixed with an inorganic chemical component to prepare a loose slow-release component, a colloidal organic matter is easily generated after fermentation of the plant composition of the Chinese herbal medicine slag, gelatin powder is cooperated for providing the organic colloid by bonding soil in a stable mode, and the Chinese herbal medicine slag-type biomass glue fertilizer has the advantages of soil aggregation, water retention enhancement, fertilizer conservation and permeability.

The invention discloses a flocculant dosing machine heating device, which comprises a stirring tank, a dilution pipe, a heating and heat preservation water pipe and a heating hopper, wherein the heating hopper is fixedly connected to one side of the outer wall of the top of the stirring tank through screws, and the heating and heat preservation water pipe is fixedly connected to the outer wall ofthe heating hopper through spiral winding and clamping. According to the invention, a layer of circular water film is formed by water flow sprayed by a spray head of the heating and heat preservationwater pipe, a dry powdery flocculant falls onto the water film from the upper end and falls along with the water film, the powdery flocculant powder is wetted in the process, then enters the stirringtank, and is mixed and dissolved with diluent in stirring tank through stirring of a stirring motor and stirring shaft blades, the flocculant in the heating hopper is preheated through the heating andheat preservation water pipe, warm water sprayed out of the dilution pipe is combined with the flocculant for pre-dissolving, the dissolving speed of the flocculant is increased while the temperatureis controlled to be uniform, raw materials are saved, and the precipitation rate of the flocculant solution is ensured.

The invention discloses an armyworm cultivating device and an application method thereof. The armyworm cultivating device comprises a support board (10) and a screen (20). The support board is provided with feces dropping holes (11) in an array, a guide funnel (30) used for guiding feces of armyworms to drop is disposed under the support board (10), a collecting bag (40) is disposed under the guiding funnel (30), and an armyworm habitat structure is arranged over the support board (10). The screen (20) is arranged over the support board (10) and covers the armyworm habitat structure, pupa collecting boxes (15) used for collecting pupas of armyworms are detachably arranged on square holes in two ends of the support board (10). By adopting the armyworm cultivating device, feces of armyworms can be conveniently cleaned and removed during cultivation, armyworms can be conveniently manually selected, and the survival rate of the armyworms during cultivation can be raised at the same time.

The invention belongs to the technical field of polymer injection of an oil field. In order to solve the problem that currently, rapid dispersion and injection of powder polymer in water and the system operation are influenced a lot by the outside environment, the invention discloses a system for rapidly dispersing and diluting the powder polymer in an offshore or alpine or fault-block oil field, which comprises a water supply tank, a dry powder tank and a buffer tank. The water supply tank, the dry powder tank and the buffer tank are all connected with a nitrogen source; the dry powder tank is sequentially connected with a feeder, a buffer container, a negative pressure jet device and the buffer tank; the water supply tank is sequentially connected with a water supply pump and the negative pressure jet device; the water supply tank is also connected with a diluting water pump; the buffer tank is further connected with a mother liquid conveying pump; an outlet of the mother liquid conveying pump is connected with an outlet of the diluting water pump. The system disclosed by the invention is compact in structure and convenient to move; the integral system is in the protection of nitrogen, so that the influence of the outside environment can be avoided and oxygen in the air is prevented from degrading the viscosity of target liquid to influence oil productivity.

The invention discloses a moisture absorption and sweat releasing shapewear, and belongs to the field of shapewear. Key points of the technical scheme are as follows, the releasing shapewear comprisesan underwear front surface, an underwear back surface and a hollow fiber layer, and the back surface of the underwear front surface is tightly attached to the underwear back surface; the underwear front face comprises shoulder straps and an inner crotch; a U-shaped chest support is tightly attached between the two shoulder straps; a parting strip is tightly attached to the lower end surface of the U-shaped chest support; the inner baffle is positioned at the lower end of the U-shaped chest support; moisture absorption and sterilization packing layers are tightly attached to the interiors of the lining pieces, silica gel telescopic belts are tightly attached to the upper end faces of the sides, close to the back face of the underwear, of the shoulder straps, limiting devices are fixedly connected to the outer side walls of the silica gel telescopic belts, fasteners are movably connected to the left sides and the right sides of the limiting devices, and penetrating holes are welded to the upper end faces of the limiting devices. The hollow fiber layer made of polyester materials is adopted, the moisture absorption and sterilization filler layer is arranged on the inner crotch, the requirements for moisture absorption and sweat releasing can be met, the shoulder straps with the adjustable length are arranged, and meanwhile the double hidden buckles are arranged on the back face of the underwear so that a user can go to the toilet conveniently.

The invention discloses composite brown rice powder and a preparation method thereof. The composite brown rice powder comprises the following raw materials in parts by mass: 20-30 parts of germinated brown rice powder, 45-55 parts of pumpkin powder, 10-20 parts of orange juice powder and 2.2-8.7 parts of auxiliary materials. The preparation method comprises the steps of preparing the orange juice powder, the germinated brown rice powder and the pumpkin powder, and mixing and blending the raw materials to be uniform according to the proportion, so as to obtain the composite brown rice powder. The composite brown rice powder has the advantages of being excellent in color, aroma and taste, rich in nutrients, fine in taste, easy to prepare, good in dilution performance and high in economic and social benefits and meets the requirements, tending to nutrition and health, of modern instant food industries.

The invention discloses a bagged cement storage device for a building. The bagged cement storage device comprises a box body, partition plates, a through hole, sliding grooves, connecting plates, sliding blocks, bristles, supporting legs, an ash accumulation basin, an air suction box, a drying box, a micro vacuum pump, a first air pipe, a second air pipe, connecting rods, a suspension device, a first hanging block, a second hanging block, a spring, a fixing block, a guide rod, a box door, a hinge and a groove. The bagged cement storage device is reasonable in structure and novel in design; cement ash attached to the partition plates and the inner wall of the box body can be rapidly gathered through the connecting plates and the bristles to be recycled, waste of cement can be avoided, and cost is saved; the ash accumulation basin can be conveniently taken down and fixed through the suspension device, and the cement collecting time is shortened; and due to the micro vacuum pump and the drying box, air in the box body can be effectively dried, water prevention and moist prevention can be conducted on cement effectively, cement is prevented from being affected with damp and agglomerated during storage, and reduction of the strength of cement is avoided.

The invention provides a cement storing and taking device for a laboratory, and belongs to the technical field of mechanical equipment. The device comprises a storage box and a discharging cylinder, wherein the storage box is arranged at the upper end of the discharging cylinder, and the discharging cylinder is arranged on a base plate through four supporting legs; a feeding port is formed in theupper side face of the storage box, a cover plate is hinged to the feeding port, a through hole I is formed in the lower side face of the storage box, and a through hole II is formed in the upper endof the discharging cylinder; a conveying mechanism capable of conveying the cement in a storage cavity into the through hole I is arranged in the storage box; a separating plate is horizontally arranged in the discharging cylinder, and a discharging cavity is formed between the separating plate and the upper end of the discharging cylinder; a processing device capable of stirring and drying the cement in the discharging cavity is arranged in the discharging cavity, and a plurality of through holes are formed in the separating plate; a sealing mechanism capable of sealing the lower end of thedischarging cylinder is arranged in the discharging cylinder; and a dust removing mechanism capable of removing the dust of the cement is arranged on the outer side of the discharging cylinder. According to the device, the storage problem of the cement in a laboratory is solved, and the cement is convenient to take.

The invention discloses an automatic seasoning adding device of an automatic cooker. The automatic seasoning adding device comprises a base plate, a feeding pipe, liquid material assemblies and solidsauce assemblies, the lower end of the feeding pipe is fixedly connected to the upper face of the base plate, and a plurality of solid sauce feeding ports and a plurality of liquid feeding ports are formed in the side face of the lower end of the feeding pipe; the liquid material assemblies and the sauce fixing assemblies are annularly arranged at the upper end of the base plate at intervals. Theliquid material assembly comprises a seasoning soft bag and a peristaltic pump, the seasoning soft bag is hung upside down, the seasoning soft bag is connected with an inlet of the peristaltic pump, and an outlet of the peristaltic pump is connected with a liquid feeding port through a pipeline; the sauce fixing assembly comprises a tank body, a base, a screw rod and a motor, the tank body is reversely buckled, the motor is installed at one end of the screw rod, and the other end of the screw rod is inserted into a sauce fixing feeding port. The automatic seasoning adding device can conveniently, quickly and accurately add seasonings into the automatic cooker; the structure is simple, and operation is reliable.

The invention relates to a processing system and technology of yoghourt modified milk powder. The system comprises a raw material bin, a milk clarifier communicating with the raw material bin, a firsttemporary storage tank communicating with the milk clarifier, a homogenizer communicating with the first temporary storage tank, a first falling film evaporator communicating with the homogenizer, asecond temporary storage tank communicating with the first falling film evaporator, a fermentation tank group communicating with the second temporary storage tank, a second falling film evaporator communicating with the fermentation tank group, a spray drying tower communicating with the second falling film evaporator, a cooling bed communicating with the spray drying tower and a collecting tank communicating with the cooling bed. During evaporation in the spray drying tower, a driving device is started to drive an isolating membrane to vibrate, and when milk forms powder on the inner wall ofthe isolating membrane and the powder hangs on the wall, the milk powder is vibrated by the driving device to fall off, so that the wall hanging amount of the milk powder on the inner wall of the isolating membrane is effectively reduced; and the system has the effects of reducing bacterium breeding on the inner wall of the spray tower and increasing the effective utilization rate of equipment.

The invention discloses a sweet potato powder stirring machine, belonging to the technical field of sweet potato powder processing. The sweet potato powder stirring machine specifically comprises a supporting base and two first supporting plates, wherein the bottom outer walls of the two first supporting plates are installed on the outer walls of the two sides of the top of the supporting base through bolts correspondingly; a first rotating motor is fixedly installed on the outer wall of the middle part of one side of one first supporting plate; a stirring box body is fixedly installed on theoutput shaft of a first rotating motor; and a third rotating motor is fixedly installed on the outer wall of the middle part of one side of the other first supporting plate. According to the sweet potato powder stirring machine in the invention, an electric guide rail, an electric sliding block and a material gathering pipe are arranged; when the stirring machine is used, a sealing cover can be opened firstly, the material gathering pipe is driven by the electric sliding block to move downwards, so a discharging pipe extends into the stirring box body, and materials are charged into the stirring box body through the material gathering pipe; and thus, the materials can be effectively prevented from being scattered and leaked with such a charging mode, and the charging convenience and smoothness are improved.

The invention relates to an automatic reagent feeding device of a combined type automatic reagent feeding sledge for pretreating raw water of a power plant. The automatic reagent feeding device comprises a vacuum suction pump (1), a hose (2), a suction head (3), a hopper (4), a hopper pneumatic valve (5), a pre-wetting device (6), a reagent atomizing mixed ejector (7), a dry powder pushing double-screw conveyor (8), an electrical control system (9) and a water supply system (10). The automatic reagent feeding device disclosed by the invention has the beneficial effects of effectively preventing the powder from being wet and caked by sucking a material by adopting the vacuum suction pump, and being free of pulsation and high in blending accuracy by pushing the material by adopting a screw rod.

The invention relates to the field of plastic product production and processing equipment, in particular to a transportation moistureproof frame for moist and agglomerated regenerated plastic particles in transportation. The frame comprises a support frame, support foot stools, a shaking assembly, an inclined rotating assembly, an outer rotating assembly and the like, and the shaking assembly is slidably connected between the support frame and the two support foot stools jointly. The inclined rotating assembly is fixedly connected to the shaking assembly, and the outer rotating assembly is arranged on the shaking assembly. A lifting disc and devices on the lifting disc are driven by a reciprocating screw rod to do up-down reciprocating motion through a rotary lifting assembly, a pull rod and rotating fan blades are pulled by a fixing ring to do up-down reciprocating motion, the reciprocating screw rod rotates to drive the rotating fan blades to rotate, and the rotating fan blades rotate to stir regenerated plastic particles in a net frame; and through cooperation of rotation and up-down reciprocating motion of the rotating fan blades, the reprocessed plastic particles in the net frame are fully stirred, and the reprocessed plastic particles are prevented from being affected with damp and agglomerated.

The invention discloses a moistureproof and leakproof feeding hopper for a side feeding machine, which takes a use direction as a reference and comprises a hopper body, a feeding barrel and a base, wherein the upper end of the hopper body is communicated with the lower end of the feeding barrel in a sealing manner; the lower end of the hopper body is communicated with the upper end of the base in a sealing manner; a plurality of through openings with filtering, drying and exhausting functions are formed in the hopper body; and an annular bayonet protruding from the end face of the lower end of the base is arranged at the lower end of the base. With the adoption of the moistureproof and leakproof feeding hopper, water vapor generated in the feeding hopper for the side feeding machine can be exhausted out timely; a material in a large supply hopper for the side feeding machine is prevented from being wetted and caked; and the material can be prevented from leaking from a part between the bottom end of the feeding hopper for the side feeding machine and a feeding inlet.

The invention relates to the technical field of medicine processing equipment, in particular to a cold air system applied to a raw material medicine production workshop, which comprises a constant temperature and humidity chamber, a filter, a centrifugal fan, a plate heat exchanger, a low temperature dehumidifier, a rolling boiling bed, a cyclone dust collector and a wet dust collector, the filter is provided with a fresh air port, one end of the filter is connected with the centrifugal fan, the centrifugal fan is respectively connected with the plate heat exchanger and the low-temperature dehumidifier, the rolling fluidized bed is respectively connected with the low-temperature dehumidifier and the plate heat exchanger, the rolling fluidized bed is connected with the cyclone dust collector, the cyclone dust collector is connected with the wet dust collector, and the wet dust collector is provided with an exhaust port. In practical application, effective control over the temperature and humidity of cold air of the rolling fluidized bed is achieved by applying the system, moisture regain and caking in the production and storage process of the raw material sodium chloride are prevented from the source, the quality of the raw material sodium chloride product is improved, and good economic benefits are achieved.

The invention relates to the technical field of fabric washing, in particular to a detergent supply device for shirt fabric washing and a washing process. Raw materials are weighed through a weighing assembly and then put into a mixing bin to be mixed, and in the feeding process, the materials are dispersed and distributed in the mixing bin from bottom to top through a spraying assembly, so that the raw materials are distributed in all depths, and the purposes of accurate proportioning and accurate mixing are achieved; and in addition, weighing and proportioning are separated, so that water vapor is prevented from entering the weighing assembly to affect the weighing accuracy.

The invention relates to the field of plastic product production and processing equipment, in particular to a transport moisture-proof frame for the wet agglomeration of recycled plastic particles during transportation, comprising a support frame, a support foot frame, a shaking assembly, an oblique rotating assembly, an external rotating assembly, and the like, A shaking component is jointly slidably connected between the support frame and the two supporting legs, the oblique rotating component is fixed on the shaking component, and the outer rotating component is arranged on the shaking component. By rotating the ascending assembly, the reciprocating screw drives the lifting disc and its upper device to reciprocate up and down, pull the rod through the fixed ring and rotate the fan blade to reciprocate up and down, the rotation of the reciprocating screw drives the rotating fan blade to rotate, and the rotating fan blade rotates to the screen. The recycled plastic particles in the frame are stirred, and the regenerated plastic particles in the screen frame are fully agitated by rotating the fan blades to cooperate with the up and down reciprocating motion to prevent the recycled plastic particles from being damp and agglomerated.

The invention discloses a dynamic rotary sterilizing cabinet in the field of sterilizing cabinets, which comprises: a casing and a cylinder body, the two ends of the cylinder body are respectively provided with feeding and discharging ports, and the inner wall of the cylinder is provided with a spiral guide Material trough, the cylinder body is movably supported in the casing and connected with the drive assembly, so that the material entering from the feed port gradually moves toward the discharge port along the spiral guide groove; the outer surface of the cylinder is covered with a heatable The heating plate of the cylinder body; the casing is equipped with a steam generating component, and its output end is connected with the multifunctional pipe inside the cylinder body, and there are several through holes on the multifunctional pipe, the water inlet of the water pump is connected with the water tank, and the outlet of the water pump The water pipe is connected with the multi-function pipe, and the clean water pressurized by the water pump can be sprayed out from the through hole on the multi-function pipe to wash the inner wall of the cylinder. The invention has the advantages of uniform heating of materials, no agglomeration, low energy consumption, automatic online cleaning, suitable for mass production and the like.

The invention relates to related devices for animal husbandry, in particular to a salt feeding device for animal husbandry. The device comprises a mounting main frame, an output mechanism, a sealing mechanism, a salt control mechanism, a conveying mechanism, a collecting mechanism and a sealing sliding cover, the output mechanism is fixedly mounted on the mounting main frame, and the sealing mechanism is fixedly mounted on the mounting main frame; and the sealing sliding cover is installed on the mounting main frame in a sliding manner, the salt control mechanism is fixedly installed on the mounting main frame, the conveying mechanism is fixedly installed on the mounting main frame, and the collecting mechanism is fixedly installed on the mounting main frame. According to the device, saltis crushed while the salt adding amount is controlled, normal operation of parts of the device is prevented from being stopped by large salt blocks, the device can divide salt into two parts and leanagainst the licking direction of cattle and sheep, licking of the cattle and sheep is facilitated, waste is avoided, meanwhile, salt falling from the two sides of the device can be recycled, centralized treatment can be conducted, and waste is avoided.

The invention discloses composite brown rice powder and a preparation method thereof. The composite brown rice powder comprises, in parts by mass, 20-30 parts of germinated brown rice powder, 45-55 parts of pumpkin powder, 10-20 parts of orange juice powder and 2.2-8.7 parts of auxiliary materials. The preparation method comprises the following steps of preparing the orange juice powder, preparingthe germinated brown rice powder, preparing the pumpkin powder, and uniformly mixing and stirring the raw materials in proportion to obtain the composite brown rice powder. The composite coarse ricepowder is good in color, aroma and taste, has the advantages of being rich in nutrition, fine and smooth in taste, easy to make, good in brewing performance and the like, has relatively good economicand social benefits, and meets the requirement that the modern instant food industry tends to be nutritional and health-care.

The invention discloses composite brown rice powder and a preparation method thereof. The composite brown rice powder comprises the following raw materials in parts by mass: 20-30 parts of germinated brown rice powder, 45-55 parts of pumpkin powder, 10-20 parts of orange juice powder and 2.2-8.7 parts of auxiliary materials. The preparation method comprises the steps of preparing the orange juice powder, the germinated brown rice powder and the pumpkin powder, and mixing and blending the raw materials to be uniform according to the proportion, so as to obtain the composite brown rice powder. The composite brown rice powder has the advantages of being excellent in color, aroma and taste, rich in nutrients, fine in taste, easy to prepare, good in dilution performance and high in economic and social benefits and meets the requirements, tending to nutrition and health, of modern instant food industries.

The invention belongs to the technical field of mining electric locomotives, aims at solving the problems that an existing electric locomotive sanding device cannot automatically carry out sanding, time and labor are wasted, sand in a sand hopper is prone to caking, sanding operation is not smooth, and sand leakage is prone to occurring after sanding operation is stopped, and particularly relates to an anti-condensation automatic sanding device which comprises a mounting plate, a sand containing hopper and a sand storage box. The sand containing hopper is mounted on the mounting plate, a sand discharging pipe is fixedly mounted at the bottom of the sand containing hopper, the sand storage box is located above the sand containing hopper, and a transmission shaft is arranged at the output end of the first motor; a sand loosening crankshaft and a sand feeding roller are rotationally arranged on the sand containing hopper, and the transmission shaft is in transmission connection with the sand loosening crankshaft and the sand feeding roller through a chain; according to the device, sand can be prevented from being affected with damp and agglomerated, sand spraying can be automatically controlled, the sand in the sand containing hopper can be loosened and not condensed, the interior of the sand discharging pipe is prevented from being blocked, the sand in the sand containing hopper does not shakeout after power is stopped, and the normal operation of the mining electric locomotive is effectively guaranteed.

The invention discloses a composite pressure-resistant metal part machining device and a manufacturing process thereof. The composite pressure-resistant metal part machining device comprises a working plate, a protective cover, a flow dividing pipe, a storage barrel and a spray head, the protective cover is installed on one side of the outer wall of the upper end of the working plate, a connecting cover is installed on one side of the outer wall of the lower end of the working plate, the flow dividing pipe is installed on one side of the upper end of the inner wall of the protective cover, a feeding pipe is inserted into one side of the outer wall of the upper end of the flow dividing pipe, the spray head is inserted into one side of the outer wall of the lower end of the flow dividing pipe, and the storage barrel is arranged on one side of the outer wall of the upper end of the protective cover. By arranging a stirring paddle, the protective cover, a connecting cover and an electromagnet, the effects of separately collecting and treating waste sand and metal rust and preventing sand from being affected with damp and caking are achieved, the sand spraying smoothness is guaranteed, the rust removal effect of the equipment on materials is guaranteed, workers can conveniently collect and treat the waste sand in a centralized mode, the phenomenon that waste sand and metal rust splash is avoided, and the working environment is prevented from being polluted.

The invention discloses a cooling device for fertilizer production. The cooling device for fertilizer production comprises a shell, wherein a cooling groove and a zigzag pipe groove are formed in theshell; a cooling pipe is fixedly arranged in the middle of the groove bottom of the cooling groove; multiple airflow through grooves distributed in an annular array mode are formed in the outer side of the cooling pipe; multiple airflow through holes distributed in an annular array mode with the cooling pipe as the circle center are further formed in the groove bottom of the cooling groove; a zigzag pipe is fixedly arranged in the middle of the groove bottom of the zigzag pipe groove; and branch air pipes matched with the airflow through holes are fixedly connected to the top face of the zigzag pipe. According to the cooling device for fertilizer production provided by the invention, the cooling pipe is fixedly arranged in the middle of the groove bottom of the cooling groove, the multipleairflow through grooves distributed in the annular array mode are formed in the outer side of the cooling pipe, the multiple airflow through holes distributed in the annular array mode with the cooling pipe as the circle center are further formed in the groove bottom of the cooling groove, the airflow through holes are distributed in different positions of the groove bottom, and the airflow through grooves are matched with the airflow through holes, so that the cooling efficiency of the device on a fertilizer pile can be improved, and the device can accelerate the cooling of the fertilizer pile.

The invention belongs to the technical field of spraying devices, in particular to a spraying agent spraying device for soil remediation, which is aimed at protecting and dehumidifying powdery soil remediation agents, and has no heating device designed for solid soil remediation. The fusion of the repair agent and water is not good enough, and the spraying effect is relatively poor. The following scheme is proposed, including the spray box. The outer walls of the four corners of the bottom of the spray box are fixed with universal wheels by bolts, and the spray box The outer walls on both sides are fixed with mounting plates by bolts, and the top outer walls of the two mounting plates away from the spray box are provided with first sockets, and the inner walls of the two first sockets are connected with connecting pipes. The bottom outer wall of the connecting pipe is threadedly connected with a shunt pipe. The invention can chop up the undissolved and agglomerated restorative agent mixed into water, improve the fusion degree of the repair agent, further improve the spraying efficiency of the spraying device, and improve the spraying quality of the overall device.

The invention provides a chemical fertilizer stacking frame capable of preventing chemical fertilizer from being affected with damp. The chemical fertilizer stacking frame capable of preventing chemical fertilizer from being affected with damp comprises a cabinet body, a sliding structure which is arranged on the inner side wall of the cabinet body, and comprises a sliding groove, a limiting holeand a rotating groove, an air exchange structure which is installed in the cabinet body, and comprises a first air vent, a second air vent, an air blower, a communicating pipe and an air duct, a supporting structure which is slidably connected into the sliding groove, and comprises a supporting plate, a rotating shaft, a rolling wheel, an inner sliding plate, an inner rotating shaft, a connectingpiece and a limiting groove, and a locking structure which is installed in the supporting plate, and comprises an inner sliding groove, a sliding block, a telescopic rod, a limiting column, a storagegroove, limiting teeth, a torsion spring and a spring. The chemical fertilizer stacking frame capable of preventing chemical fertilizer from being affected with damp has the advantages of being safe in stacking and beneficial to ventilation.