99 results about "Bedding Material" patented technology

An intelligent fecal solid-liquid separator for a cattle mattress bedding material production system and an operation method thereof. The cutting assembly is located directly above the first cutting groove. By setting a cutting assembly, the further extrusion is achieved to realize solid-liquid separation of separated solid waste. Further, by utilizing the cooperation between the pressing plate and the spring, it ensures the extrusion pressure of the waste spiral extrusion, thereby improving the accuracy of solid-liquid separation.

The invention belongs to the technical field of sintering, and relates to a production method for reducing the edge effect of a sintering pallet, which comprises the following steps: laying a grate-layer material and a mixture in sequence, so that the total material layer thickness of the sintering pallet is a first thickness; on the premise that the first thickness is not changed, the thickness ratio of the bedding material to the mixture is adjusted so as to reduce the fringe effect; during material distribution, the bedding material is distributed in a mode that the middle is thick and the two sides are thin, and the mixture is distributed above the bedding material in a mode that multiple openings are distributed at the same time. The method has the beneficial effects that the bedding material and the mixture are distributed in different modes, so that the air permeability of the middle and the edge of a material layer is considered at the same time, the edge effect is effectively reduced, and the quality of sintered ore is improved; and the movable compression roller is arranged, so that the compaction degree of a material layer is ensured, gaps among mixed material particles are reduced, mineral powder particles can be tightly bonded by a liquid phase generated in the sintering process, and meanwhile, the solidification effect among mineral powder is also improved.

The invention belongs to the technical field of bioengineering, and particularly relates to a method for preparing a cattle bed padding by using cow dung, which comprises the following steps: step 1, preparing a padding matrix by using fresh cow dung; step 2, preparing modified straw-rice husk; step 3, preparing a modified charcoal-zeolite compound; step 4, mixing and fermenting a padding matrix, the modified straw-rice husk, the modified charcoal-zeolite compound, coconut fiber, wheat bran, monopotassium phosphate and a complex microbial inoculant according to a mass ratio of (45-55): (10-20): (5-15): (15-25): (3-7): (1-2): (2-3); 5, a ferric sulfate-silicon dioxide solution and a chitosan-tea polyphenol solution are sequentially sprayed on the surface; by means of physical dehydration, chemical activation, biological fermentation, functional composite design and the like, the technical bottlenecks in the prior art are broken through in the three dimensions of safety, functionality and economy, and closed-loop utilization of cow breeding waste is achieved.

The cattle bed padding fermentation control system comprises a shell, a frequency conversion fan, a PLC control cabinet and a computer, a fermentation tank is arranged at the bottom of the shell, a material turning mechanism is arranged in the fermentation tank, a molecular film covers an opening in the top of the shell, a temperature sensor is arranged on the inner wall of the shell, and the temperature sensor is connected with the frequency conversion fan. The frequency conversion fan communicates with the interior of the shell through an air inlet pipeline, the frequency conversion fan and the temperature sensor are both in signal connection with the PLC control cabinet, and the PLC control cabinet is in signal connection with the computer; according to a temperature change curve, the operation frequency of the frequency conversion fan can be automatically controlled, the working intensity of workers is reduced, errors caused by manual operation are avoided, the fermentation quality is improved, and the fermentation quality of the cattle bed padding is further improved by regularly turning the cattle bed padding in the fermentation process through the material turning mechanism.

The utility model relates to the technical field of padding regeneration equipment, in particular to a cattle bed padding regeneration device capable of rotating at differential speed, which comprises a fermentation rotary drum, an air drying rotary drum and a differential speed connecting assembly, and the differential speed connecting assembly comprises a flanging outer flange, a smooth surface flange, a first wear-resistant mounting plate and a second wear-resistant mounting plate. The flanged outer flange is arranged on the side, close to the fermentation rotary drum, of the air drying rotary drum and comprises a first flanged edge, a second flanged edge and a third flanged edge, the first wear-resistant mounting plate makes contact with the smooth flange, the second wear-resistant mounting plate is fixedly mounted on the inner side wall of the fermentation rotary drum and makes contact with the inner side wall of the air drying rotary drum, and the third wear-resistant mounting plate is fixedly mounted on the outer side wall of the air drying rotary drum. During operation, when the fermentation rotary drum and the air drying rotary drum rotate asynchronously, the first wear-resistant mounting plate is in sliding friction with the smooth surface flange, the second wear-resistant mounting plate is in sliding friction with the inner side wall of the fermentation rotary drum, and the scheme can meet operation of the fermentation rotary drum and the air drying rotary drum at different rotating speeds.

The invention discloses a smelting method for preparing chromium pellets through belt type roasting, which comprises the following steps: primary ingredients are prepared into green pellets through a pelletizer, chromium concentrate green pellets with the particle size of 8-20mm are obtained through screening, the primary ingredients comprise mixed chromium concentrate, fly ash and sodium bentonite, the chromium concentrate green pellets and grate-layer materials are distributed into a belt type roasting machine, and the grate-layer materials are mixed with the mixed chromium concentrate, fly ash and sodium bentonite; the total thickness of a material layer formed by chromium concentrate green pellets and a bedding material is controlled to range from 400 mm to 450 mm, the chromium concentrate green pellets and the bedding material move on a belt type roasting machine and are sequentially subjected to drying, preheating, roasting oxidation and cooling, oxidized pellets are obtained, secondary ingredients are fed into an electric furnace to be smelted, the secondary ingredients comprise the oxidized pellets and auxiliary materials, and the auxiliary materials are fed into the electric furnace to be smelted. The auxiliary materials comprise silica, lime and coke, electrode paste is regularly added in the smelting process, and ferrochrome molten iron and slag obtained after smelting are discharged respectively. According to the invention, the raw material adaptability, efficiency and equipment layout compactness are improved.

The application discloses a wind distribution device for a circulating fluidized bed boiler, which comprises a wind chamber, a wind distribution part, an adjustable baffle and a driving device. The wind chamber comprises a wind distribution area and a wind guide area, the wind distribution area is arranged above the wind guide area, and the wind distribution area is in communication with the wind guide area. The wind distribution part is arranged on the top of the wind distribution area. The adjustable baffle is rotatably connected to the top of the wind guide area. The driving device is connected to the adjustable baffle and drives the adjustable baffle to rotate so as to adjust the wind volume entering the wind distribution area. The air inlet is arranged on at least one side of the wind guide area. Thus, the wind volume entering each area of the furnace of the circulating fluidized bed boiler can be quantitatively controlled by arranging the adjustable baffle on the device, and the fluidization state of the bed material in each area can be differentially adjusted, so that the operation problems, such as poor fluidization of the bed material, high local bed temperature, coking and partial bed, are solved. Meanwhile, the device has the advantages of simple operation and low installation and maintenance cost.

The utility model discloses a three-dimensional air distribution device for a waste water spouted bed, which comprises a bottom air distribution plate, a side air distribution plate, a lower air chamber, a side air chamber, a screening pipe, a fixed flange, a hot air expansion joint and the like which are connected into a whole. The bottom air distribution plate is provided with a directional air cap or provided with air distribution holes, the bottom air distribution plate comprises a high-density hole area and a low-density hole area from inside to outside, and the side air distribution plate is provided with side air distribution holes. A screening pipe is installed in the center of the bottom air distribution plate, a discharging pipe is led out from a bottom plate or the side wall of the lower air chamber, and a discharging valve is installed on the discharging pipe. And a fixed flange is welded on the shell on the outer side of the air chamber and is connected and fixed with the fluidization bin through bolts. The utility model has the advantages that the three-dimensional air distribution is realized, the fluidization effect is good, the flow field is stable, and the anti-interference capability is strong; cakes in bed materials can be discharged under the condition of no shutdown; all the parts form an integral structural component which is mounted at the lower interface of the fluidization bin through the fixing flange, so that the assembly and disassembly are easy, and the maintenance and replacement are convenient.

The invention belongs to the field of microorganisms, and discloses a detonating microbial inoculum and a preparation method and application thereof in preparation of regenerated padding, the detonating microbial inoculum is composed of bacillus stutzeri, bacillus velezensis and pseudomonas stutzeri which have a remarkable synergistic effect, and the three strains all have the characteristics of being high in adaptability and good in growth performance; the preservation numbers of the strain are respectively CGMCC (China General Microbiological Culture Collection Center) NO.35116, CGMCC NO.35117 and CGMCC The three strains are compounded to prepare an initiation microbial agent, so that the aerobic fermentation temperature can be greatly increased, and the viscosity and volume weight of the regenerated padding can be quickly reduced. Compared with a control group, the time for entering the high temperature of 50 DEG C or above is shortened by 30 hours, the high-temperature period is prolonged, the fermented regenerated padding is softer and more fluffy, and harmless treatment of excrement is easier to realize.

The utility model relates to a modularized soft mattress for supporting sacrum and relaxing lumbar vertebra. The modularized soft mattress comprises a quilting cloth cover and an inner cushion layer, the inner cushion layer material is formed by combining a plurality of modules, each module has different hardness, and the use position of each module can be freely adjusted; wherein one module is a sacrum module, the supporting strength of the sacrum module is obviously higher than that of other parts, and the sacrum module is formed by combining high-resilience sponge and two layers of hardened supporting sponge. According to the utility model, each module can be freely adjusted according to the height, spine length, weight and sleep hardness of a user; wherein the sacrum supporting module needs to be supported to the sacrum position of a user during use, and the sacrum supporting module is the hardest module in all the modules, so that the sacrum can be fully supported, at the moment, the pelvis of the user inclines backwards, the lumbar vertebra can be flatly placed on a mattress, meanwhile, the pressure of the lumbar vertebra is relieved, and the purposes of relaxing the lumbar vertebra and improving the comfort of the user are achieved. The waist discomfort is relieved.

The utility model discloses a microbial farm house which comprises a house top, a house wall and a house bottom ground, the house top is arranged above the house wall, and an aisle and a fermentation bed are arranged above the house bottom ground; the fermentation bed is formed by paving a stone cushion layer, a soil cushion layer, a sandy soil cushion layer and a microorganism mixture cushion layer in sequence from bottom to top, and the fermentation bed penetrates through the shed wall to be communicated with an external culture drainage area. According to the utility model, the success rate of the fermentation bed is further improved and the peculiar smell is reduced by improving the fermentation bed mattress material; different materials are adopted in the cushion layer, so that the air permeability and the water drainage performance of the bottom of the fermentation bed are properly improved, a comfortable lying environment can be provided for livestock and poultry, the activity of microorganisms is guaranteed due to sufficient air permeability, and aerobic respiration can be well carried out; the inorganic material reduces the breeding of harmful microorganisms, and has the advantages of excellent drainage property, low cost and stable structure.

The invention pertains to an automated system (20) designed for animal welfare. The system includes heat-detecting imaging devices (210) and an animal welfare robot (200) with a waste collector (220). The imaging devices (210) detect (401) waste (301) material, animals (312), and bedding material (304), and send data (211) to a computational device (400). The computational device (400) processes the data to locate (401) positions of animals (312), waste (301), and bedding material (304). The animal welfare robot (200) receives instructions from the computational device (400) to move and collect waste (301, 222, 500, 223) material from beddings (302) without disturbing animals (312) or colliding with any structures (333). The robot (200) also distributes (230) bedding material (304). The system (20) is designed to operate the robot (200) according to an animal welfare policy for movements (314). The robot is also configured to collect (220) waste (301) from animals (312), distribute (230, 232, 233) bedding material (304), and dump waste (301) at a designated dump area (304).

The invention provides a movable bed material pneumatic conveying system and method for a circulating fluidized bed boiler, belongs to the technical field of boiler material conveying equipment, and can at least partially solve the problems that an existing bed material laying technology highly depends on a large amount of manual operation and is low in efficiency and high in safety risk; in order to solve the problems that the existing fuel conveying or lifting system needs to be subjected to large-scale fixed transformation, the investment is large, the transformation condition is harsh, and the equipment is difficult to flexibly share among multiple boilers, the invention discloses a multi-boiler fuel conveying or lifting system which comprises a material supply module, a pneumatic conveying module, a bed material distribution module and a movable traction module, the system can be used as a shared resource of a power plant, flexibly serves all boilers, even serves different factories, thoroughly breaks through the configuration mode of one boiler and one machine of a traditional fixed system, and is high in rate of return on investment.

The utility model relates to the field of recovery conveying device, disclose the abandoned bedding material recovery conveying device for poultry farming, including conveying cylinder, the bottom end of conveying cylinder is provided with support assembly, the right -hand member of conveying cylinder is installed with conveying assembly through the fixed frame, the left side fixed connection of conveying cylinder bottom end has the discharge gate, the both ends of conveying cylinder front and back all are fixedly connected with the slide bar, the outer wall of slide bar is connected with the movable frame through the sliding assembly, movable frame front side inner wall sliding connection has the limit rod, the limit rod outer wall bottom side fixed connection has the gasket, movable frame top fixedly connected with the feed slot, in the utility model, the limit rod is separated from the clamping groove by pulling up, removes the limit locking of movable frame, then through the cooperation of slide bar, pulley and limit component, can push movable frame to target position along slide bar, after positioning is completed, loosens the limit rod, makes the limit rod re -enter the corresponding clamping groove, realizes the quick fixing of movable frame.

The disclosure relates to methods, systems, and apparatus configured to manage a filtration media bed and apparatuses associated therewith. Information associated with the detection of an amount of one or more target contaminates present in a gas phase or liquid phase in a filtration operation can be provided. One or more target contaminates can be removed from a gas or liquid phase traveling in and through the system via a media bed material. The filtration system media bed arrangement can include a plurality of media bed zones. Sensors or sensor arrangements can detect an amount of target contaminate that has flowed through the filtration apparatus over a period of time vis a vis one or more media bed zones. Condition states for each of the media bed zones or the entirety of a media bed arrangement can be generated to better ensure effective target contaminant removal over time.

The present application belongs to the technical field of poultry and livestock breeding, and relates to a poultry and livestock breeding method for reducing ammonia emission; the method comprises the following steps: laying a three-layer composite bedding material composed of a biological activation layer, an acid-base buffer layer and a basic adsorption layer before poultry and livestock enter a house, and continuously and stably reducing ammonia emission through the synergistic effect of physical adsorption, chemical neutralization and biological degradation; daily feeding of special ammonia-reducing feed containing composite plant extract, polysaccharide enzyme preparation and urease inhibitor to reduce the excretion of nitrogen-containing substances in feces from the source; spraying of a composite ammonia-removing agent according to the ammonia concentration gradient in the house to achieve precise control; mixing of feces and bedding material after poultry and livestock defecate, and supplement of ammonia adsorbent, so that the old bedding material can be composted into organic fertilizer. The present application constructs a whole-chain ammonia emission reduction system of'source control-process blocking-end conversion', effectively realizes long-term and stable control of the ammonia concentration in the poultry house, and improves the breeding environment.

The invention relates to a bedding and clothing system three-dimensional heat transfer simulation method and device and a medium, and the method comprises the steps: respectively obtaining point cloud data of a human body in a lying posture in a naked state, a pajamas state and a quilt dressing state through a three-dimensional scanning technology, and carrying out the post-processing; establishing a bed pillow geometric model based on the body pressure distribution data, determining the contact area of the bed pillow geometric model and the human-bedding system, adjusting the spatial positions of the two parties until the contact areas are matched, and executing intersection Boolean operation of the model contact parts; integrally assembling the processed geometric models of the human body, the bedding, the clothing and the bed pillow, and dividing the body model into body sections; establishing a human body-bedding-environment three-dimensional heat transfer model; the model is verified and optimized based on segmented warm dummy experimental data, and the prediction accuracy of the model is ensured. The influence of bedding and clothing material parameters on skin temperature distribution and a prediction equation can be systematically analyzed by utilizing the established model, and a theoretical basis and technical support are provided for accurate design and optimization of high-performance sleep bedding and clothing.

To provide a fluid bed furnace which can efficiently recover valuable metal from a fluid medium stored in a furnace body, and to provide a fluid medium recovery method.SOLUTION: A fluid bed furnace incinerates or gasifies a processed object including valuable metal and includes: a furnace body in which a fluid medium 13 is stored; and an air diffusing mechanism A which sprays fluidizing gas to the fluid medium 13. The furnace body has: a furnace bottom plate 16 for supporting the fluid medium 13; and a discharge port 16a which is provided adjacent to the furnace bottom plate 16 and may discharge the fluid medium 13. The air diffusing mechanism A includes multiple air diffusing pipes 19 protruding from a surface 16c of the furnace bottom plate 16. A height H with respect to the surface 16c of the furnace bottom plate 16 in at least one of the air diffusing pipes 19 is different from a height H in the other air diffusing pipes 19.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of fermentation beds, in particular to an ecological breeding fermentation bed convenient for waste liquid treatment, which comprises a base, a groove is arranged on the base, a separation net is arranged in the groove, the groove is divided into two sections by the separation net, and the two sections are a padding section and a liquid discharge section sequentially from top to bottom. A liquid drainage hole is formed in the side portion of the base and communicated with the liquid drainage interval. The groove is formed in the base, and the padding is supported in the groove through the separation net, so that waste liquid entering the padding can be quickly discharged to the bottom of the groove and is finally discharged through the liquid discharging hole in the side part of the base, and the situation that the activity of microorganisms in the padding is affected due to the fact that the padding is in a humid state for a long time due to liquid accumulation is avoided; meanwhile, a good living environment is provided for livestock.

The present invention provides systems and methods for the recycling of animal bedding and the disposal or reuse of manure, feces, urine or expectorant resulting from recycling animal bedding. The present invention provides systems and methods for the disposal of materials related to the recycling or repurposing of stall residual waste and / or soiled animal bedding which is environmentally conscious to aquifers, and further limiting off gassing of enteric methane and other gasses. Use of such methods create a healthier recycled bedding than existing new bedding materials. The reusable and clean animal bedding provides for a healthy, hygienic, sanitary and enhanced stall environment. The present invention further provides methods for infusing additives, enhancements or amendments to recycled animal bedding which promote the health and safety of the animals using the recycled animal bedding (or the humans in contact with the animal bedding or animals) and / or the barn environment.

The utility model relates to an efficient separator for improving bed material quality, and relates to the field of efficient separators. The device comprises a separator body, a filter part and an air inlet part, the separator body comprises a separation shell, the top of the outer wall of the separation shell is fixedly communicated with an air inlet end opening, the bottom end of the separation shell is vertically communicated with an ash discharging end opening, the filter part is vertically arranged at the top end of the separation shell in a penetrating mode, and the filter part comprises a filter shell cylinder; the filter shell cylinder is fixed to the top end face of the separation shell in a penetrating mode, the bottom face of the filter shell cylinder is provided with an opening, the top end of the filter shell cylinder vertically communicates with and is fixedly provided with an air outlet cylinder, a mesh cylinder shell is vertically arranged in the filter shell cylinder, and the top end of the mesh cylinder shell is provided with an opening. Small-particle ash materials existing in smoke are filtered by the mesh barrel shell and left in the separator body, the small-particle ash materials lacking in the smoke are filtered and removed through the filtering piece arranged at the smoke exhaust port of the separator, and the cleanliness of smoke exhaust of the separator is guaranteed.

The utility model provides a structure for slag tapping of an ignition air duct, and relates to the technical field of fluidized bed boilers, a bed material collecting mechanism and an air chamber baffle plate are arranged in an internal channel of an air chamber wall body, the bed material collecting mechanism is positioned below the air chamber baffle plate, and the bed material collecting mechanism comprises a bed material collecting seat and a bed material moving assembly; one end of the bed material collecting base is correspondingly connected with a transverse pipeline of a brake releasing mechanism penetrating through the inner wall of the air chamber wall, and the bed material moving assembly is transversely and slidably connected to the bed material collecting base and the transverse pipeline. Through the arrangement of the air chamber blocking piece, the bed material collecting base and the bed material moving assembly, bed materials entering the air chamber are isolated by the air chamber blocking piece and fall on the bed material collecting base, the moving block of the bed material moving assembly can drag the bed materials in the arc-shaped groove to the transverse pipeline as much as possible, and then the bed materials are discharged from the discharging channel which is opened in the inclined direction; therefore, the bed material in the air channel is cleaned, the air inlet channel is prevented from being blocked by the bed material, and safe operation of boiler fluidization is guaranteed.

The utility model discloses a fermentation bed material distribution mechanism capable of adjusting the height of a material layer, which comprises a walking platform, a mixing machine is arranged on the walking platform, four corners of the walking platform are respectively and fixedly provided with a fixed stand column extending upwards, and the tops of the four fixed stand columns are connected into a whole through a top rectangular frame. Lifting transverse frames are arranged between the fixed stand columns on the same side, and a lifting driving mechanism for driving the lifting transverse frames to float is installed on the top rectangular frame. The two ends of the lifting transverse frame are connected with lifting vertical rods extending downwards respectively, the lower ends of the lifting vertical rods penetrate through the walking platform and are connected with the corners of the lifting platform respectively, a material distribution auger extending in the length direction of the lifting platform is fixed to the lifting platform, and a scraper assembly is arranged on the rear side of the material distribution auger in the advancing direction. According to the mechanism, the height of the cloth can be quickly adjusted under the condition that no disassembly or reassembly is carried out, the downtime is greatly shortened, the working intensity is reduced, and the production efficiency is improved.

The utility model discloses an automatic paper pad supply device for boxing, which comprises a bottom frame, a side frame, a stock bin supply mechanism, a specification adjusting mechanism and a pad moving mechanism, the stock bin supply mechanism comprises a stock bin frame, a paper pad body, an inclined rail, a paper pad push block, a paper pad push plate and a magnet seat, the padding moving mechanism comprises a moving plate, an overturning air cylinder, a supporting seat, an overturning shaft, an overturning rod, an overturning arm and a suction cup, the inclined design of the stock bin frame and the configuration of an inclined rail ensure that a paper pad body can stably and smoothly move, the situation of clamping or stacking is avoided, the safety and stability of a system are improved, and the production efficiency is improved. The specification adjusting mechanism can conveniently adjust the specification of the equipment according to needs through a width adjusting block and a height adjusting block which are installed in a sliding mode, the boxing requirements of paper pads of different sizes are met, the equipment is more multifunctional, and different production requirements can be met.

The invention provides a circulating fluidized bed boiler bed layer material temperature distribution measuring device and method, and the device comprises a plurality of distributed optical fibers which are arranged in a bed layer along a first direction in a bed layer plane, and are provided with a plurality of detection points in the first direction, the plurality of distributed optical fibers are distributed at intervals along a second direction in the bed plane, and a preset angle is formed between the first direction and the second direction; a plurality of light-emitting ends of the measurement module are connected with the light inlet ends of the plurality of distributed optical fibers respectively, and a plurality of detection ends of the measurement module are connected with the light outlet ends of the plurality of distributed optical fibers. According to the circulating fluidized bed boiler bed layer material temperature distribution measuring device and method, the temperatures of the detection points are obtained according to the characteristic changes of the optical signals in the distributed optical fibers, and the material temperature distribution of the bed layer is obtained according to the temperatures of the multiple detection points; and safe and stable operation of the boiler is ensured by utilizing temperature distribution of bed materials.

The utility model discloses a bed material adding mechanism of a circulating fluidized bed, which relates to the technical field of fluidized bed gasification furnaces and comprises a rack unit, a discharging unit, a gasification furnace, a crushing unit and a conveying unit, the crushing unit comprises two first crushing rollers movably arranged in the discharging unit and two second crushing rollers movably arranged in the lower portion of the discharging unit and used for secondary crushing. The material conveying unit comprises a discharging pipe fixedly connected to the center of the bottom of the discharging unit and a material conveying inclined cylinder fixedly connected to the bottom end of the discharging pipe and used for conveying bed materials. According to the bed material adding mechanism of the circulating fluidized bed, the size of a bed material can be guaranteed through double crushing, blockage caused by overlarge bed material particles in the conveying process is avoided, the crushed bed material is more convenient for a gasification furnace to use, the bed material is conveyed in a spiral pushing mode, blockage in the bed material conveying and adding process can be avoided, and the production efficiency is improved. And the bed material conveying efficiency can be improved, and good practicability is achieved.

The invention belongs to the technical field of fermentation, and provides compost fermentation padding of pig manure and a preparation method of the compost fermentation padding. The compost fermentation padding comprises the following components in percentage by weight: 40% of saw dust, 40% of bran shells and 20% of sweet potato vine residues. The compost fermentation padding of pig manure provided by the invention can obviously promote compost maturity, and obviously improve the content of total nitrogen, total phosphorus and total potassium so as to improve the quality of a compost fermentation product.

This invention discloses a bedding material for chicken houses. The bedding material includes, from top to bottom, an ammonia-locking layer, a flow-guiding and degradation layer, and a ventilation and buffer layer, all of which are mixed layers formed by mixing various raw materials. The upper surface of the flow-guiding and degradation layer has an array of parallel, continuous, elongated flow channels. Each flow channel includes a slow-flowing section and a fast-flowing section connected vertically. The angle between the slow-flowing section and the horizontal plane is smaller than the angle between the fast-flowing section and the horizontal plane. At night, chicken excrement is less abundant. After being adsorbed and locked by the ammonia-locking layer, it flows to the flow-guiding and degradation layer, enters the flow channels, and flows along the slow-flowing section. The excrement remains in the slow-flowing section and slowly seeps downwards, achieving slow-release degradation of the excrement. This prevents the excrement from rapidly seeping into the lower layers of the bedding and forming silt, thus preventing anaerobic fermentation and avoiding dampness, decay, and compaction of the bedding material, thereby reducing ammonia production.

The utility model relates to the technical field of application of chemical equipment, in particular to a piston type pressing device for bed materials of a pressure swing adsorption tower, and aims to solve the problem that in the process of pressing bed material adsorbents in the pressure swing adsorption tower at present, a rigid pressing structure of a sieve plate and an air cylinder is generally adopted; and generally, the sieve plate is extremely easy to roll under the impact of the air flow, and finally, the bed layer material is leaked. According to the device, piston guide frames are additionally arranged on the circumferential sides of an upper sieve plate and a lower sieve plate, and a plurality of rubber piston rings which are tightly arranged are arranged between the piston guide frames and the inner wall of an adsorption tower, so that the upper sieve plate, the lower sieve plate and a sieve mesh are integrally compressed into a bed layer material when being impacted by relatively large air flow; the upper sieve plate, the lower sieve plate and the whole sieve mesh can flexibly shake along with the extension and retraction of the rubber piston ring, so that the phenomena of rollover and the like caused by rigid extrusion and collision of the whole sieve plates and the whole sieve mesh are effectively avoided, and the whole application efficiency of the pressure swing adsorption tower is further improved.

The utility model discloses a plant padding distributing machine which comprises a guide rail, a driving main machine, a padding distributing machine box and a steel wire rope rotating mechanism. The driving main machine is composed of a stainless steel shell, a gear motor and a steel wire rope. The steel wire rope is connected with the padding distributor case to provide longitudinal walking power; the padding distribution machine box is formed by assembling a box body, a guide wheel, a flat belt conveyor and a traction ring. Through ingenious design combination, a plurality of standard parts are integrated, the structure is simple, and the manufacturing cost is low; due to the unique design of the machine case of the padding distributing machine, the three functions of walking, padding storage and padding throwing are achieved, and the performance is excellent.