36results about How to "Efficient dehydration" patented technology

The invention discloses a method for enhancing digestion sludge dewatering by recycling a flocculating agent, and relates to the technical field of municipal sludge treatment. The method comprises the following steps: identifying and utilizing a recyclable flocculant PAC in the residual sludge, adding CaO2 into the residual sludge containing PAC, uniformly mixing, and adjusting the pH value; feeding the treated residual sludge into an anaerobic digestion reactor, and monitoring the methane yield and the daily gas yield until the gas is exhausted, namely completing anaerobic digestion; and carrying out dehydration treatment on the digested sludge obtained after anaerobic digestion is completed so as to realize enhanced dehydration of the digested sludge. The water content of the digested sludge can be reduced, and the dehydration efficiency and the resource recycling rate of the digested sludge are effectively improved; and the polyaluminum chloride is used as a recycling flocculant to effectively crush the digested sludge particles, so that effective discharge of moisture among the digested sludge particles can be ensured, the flowability and compressibility of the digested sludge can be optimized, and subsequent transportation and treatment are facilitated.

The invention belongs to the technical field of azeotropic distillation and dehydration of isopropanol, particularly relates to an azeotropic distillation and dehydration method of industrial-grade isopropanol, and aims to solve the problems that the energy consumption of separation of isopropanol and solvents is high, the energy consumption is low and the like due to the fact that solvents such as benzene and cyclohexane are adopted for azeotropic distillation and dehydration in the conventional isopropanol dehydration process, but the boiling points of benzene and cyclohexane are close to those of isopropanol. In order to solve the problems that when diethyl ether is used as an azeotropic agent, the solvent is easily enriched at the tower top to form potential safety hazards, and when the solvents are used for azeotropic distillation, the requirements of electronic chemicals cannot be met, the following scheme is provided: the method comprises the following steps: S1, adding an industrial-grade isopropanol raw material into an azeotropic distillation tower; the azeotropic dehydrating agent disclosed by the invention is small in boiling point, high in ignition point, non-corrosive, low in price, good in safety and low in separation energy consumption, and has excellent application value and application prospect in industrial production and experiments, the used device is simple and easy to operate, the yield is high, and automatic production can be realized.

The invention discloses an efficient sludge dewatering device in the technical field of sludge treatment, which comprises a sludge frame which is a square screen frame with an opening at the top, a bottom sealing plate is embedded and sealed at the bottom of the sludge frame to block the sludge frame, and a sludge pressing plate and a hydraulic machine are arranged at the top of the sludge frame, so that sludge is put into the sludge frame; through cooperation of the sludge frame and the hydraulic machine, not only can bagged sludge be dewatered, but also fluid sludge can be directly pressed, so that filter-pressing dewatering can be completed, repeated centrifugation for waiting for sludge rotation to throw out moisture is not needed, and the sludge pressing plate is matched with the sludge frame to directly press, so that the sludge is left in the sludge frame, and the sludge can be conveniently dewatered. Sewage passes through the sludge frame and is discharged into the water filtering tank, so that sludge dewatering is facilitated, the operation can be completed by pressing once, the single-time dewatering efficiency is high, and a large amount of sludge transferred to the site can be dewatered more quickly.

This invention discloses a method for the biological drying of sludge, comprising the following steps: baking biomass materials, mixing the resulting baked product with sludge, biochar materials, and a conditioner for biological drying, thereby completing the sludge drying process. In this invention, by biologically drying the mixture of baked product, sludge, biochar materials, and conditioner, not only can the self-generated heat within the system be used to effectively dewater the sludge in a very short time, but the bioavailability of the microbial carbon source can also be improved, effectively reducing the generation of polluting gases. This method can effectively reduce the emission of polluting gases while achieving rapid dewatering. It has advantages such as simple process, low treatment cost, low energy consumption, high drying efficiency, good dewatering effect, low polluting gas production, and low content of toxic and harmful components in the dried product. It can solve the problems of biomass resource waste and pollution, achieve sludge reduction and resource utilization, and has high returns and good application prospects.

The invention discloses a carbon fiber production waste liquid recycling process, which comprises: (1) inputting a waste liquid containing acrylonitrile and dimethyl sulfoxide into an acrylonitrile recovery tower, controlling the pressure and the temperature, enabling acrylonitrile and a part of water to form a gas phase, and separating the gas phase from the tower top to obtain dimethyl sulfoxide and water at the tower bottom; (2) dimethyl sulfoxide and water at the bottom of the acrylonitrile recovery tower sequentially enter a first-stage dehydrating tower, a second-stage dehydrating tower and a third-stage dehydrating tower, water is discharged from the tops of the dehydrating towers, and dimethyl sulfoxide at the bottom of the tower is purified step by step until the concentration reaches 99.5% or above; and (3) the purified dimethyl sulfoxide enters a rectifying tower, the pressure and the temperature are controlled, dimethyl sulfoxide impurities exist at the tower bottom, dimethyl sulfoxide forms a gas phase, the gas phase is discharged through the tower top, and after condensation and recovery, a pure dimethyl sulfoxide product without impurities is obtained. The process is efficient, environment-friendly and energy-saving, and the recovery rate of acrylonitrile and dimethyl sulfoxide is high.

The invention relates to the technical field of sludge dewatering, in particular to an efficient sludge dewatering method based on a biological flocculant. According to the sludge dewatering method, the municipal excess sludge is flocculated and concentrated by adopting a biological flocculant, the concentrated sludge is subjected to filter pressing dewatering, the biological flocculant comprises glycoprotein, mucopolysaccharide, carboxymethylcellulose, calcium chloride and sludge incineration residue micro powder in the process, and the sludge is dewatered by high-speed stirring and aeration in the flocculation process. According to the present invention, the flocculant and the sludge can be rapidly and uniformly mixed, and the deposition of the calcium ions can be promoted so as to make the deposited calcium ions and the sludge incineration residue micro-powder form the core in the sludge floc during the subsequent low-speed stirring process, such that the subsequent sludge dehydration can be promoted.

The utility model discloses a waterworks tail water sludge dewatering device, which belongs to the technical field of sludge dewatering and comprises a bottom plate and a dewatering frame, two vertical plates are symmetrically and fixedly mounted on the top surface of the bottom plate, and a transverse plate is fixedly mounted between the two vertical plates; the dewatering frame is slidably mounted between the two transverse plates, sliding blocks are symmetrically and fixedly mounted on the side walls of the transverse plates, sliding grooves are formed in the side walls of the transverse plates, and the sliding blocks are slidably inserted into the sliding grooves; a strip-shaped hole is formed in the top surface of the dewatering frame, a dewatering plate is slidably mounted in the strip-shaped hole, a plurality of baffles are fixedly mounted on one side of the dewatering frame, and a filter screen is mounted on the inner wall of the dewatering frame; and an extrusion plate is slidably mounted on the inner wall of the dewatering frame, a connecting rod is fixedly mounted on one side of the extrusion plate, and a connecting plate is fixedly mounted at the tail end of the connecting rod. Compared with the prior art, the sludge dewatering device has the advantages that sludge can be effectively dewatered, the dewatered sludge can be conveniently discharged, and the dewatering plate can be conveniently cleaned.

A PK polymerization solvent recovery system comprises a dehydrating tower, a heavy component removing tower and a solvent rectifying tower, an inlet is formed in the middle of the side wall of the dehydrating tower and connected with a crude solvent source, a tower top discharge port of the dehydrating tower flows back to the top of the dehydrating tower through a dehydrating tower condenser and a dehydrating tower return tank to discharge process water, and a bottom discharge port of the dehydrating tower supplies materials to the heavy component removing tower. A tower top discharge port of the heavy component removal tower is refluxed to the top of the heavy component removal tower through a heavy component removal tower condenser and a heavy component removal tower return tank, materials are supplied to the solvent rectifying tower, a tower top discharge port of the solvent rectifying tower is refluxed to the top of the solvent rectifying tower through a solvent rectifying tower condenser and a solvent rectifying tower return tank, and light components are discharged. And a tower bottom discharge port of the solvent rectifying tower is used for discharging the solvent. The device is simple in structure and convenient to operate, the solvent N-methyl pyrrolidone in the crude solvent and the residual catalyst palladium element can be effectively recycled, and the PK production cost is effectively reduced.

The invention is suitable for the technical field of garbage disposal, and provides a dewatering and crushing mechanism for kitchen garbage disposal and a using method thereof.The dewatering and crushing mechanism for kitchen garbage disposal comprises an assembling frame, a dewatering cylinder, a crushing cylinder, a crushing cylinder and a driving device, and the assembling frame is provided with the dewatering cylinder and used for disposing kitchen garbage; the crushing box is arranged on the assembly frame and is used for crushing the dehydrated kitchen garbage; the water collecting hopper is fixed on the assembly frame, is positioned below the dewatering cylinder and is used for collecting water seeping during dewatering of the kitchen garbage; the filter tank is fixed on the assembly frame, is communicated with the water collecting hopper through a connecting pipe, and is used for filtering the collected water. According to the dehydrating and crushing mechanism for kitchen garbage treatment and the using method thereof, provided by the scheme, efficient crushing of dehydrated kitchen garbage is realized, and the garbage treatment efficiency and the resource utilization value are improved.

The utility model relates to cloth processing technical field, concretely discloses a cloth dehydration and pre -drying integrated equipment, including equipment body, the top of equipment body is provided with dehydration mechanism and pre -drying mechanism through drive part, the dehydration mechanism includes the mobile frame of setting in the left side of equipment body upper end face and can move along the horizontal direction, the inside middle part fixed connection of mobile frame has the placing table for placing cloth, forms the water collecting tank between the inner wall of placing table and mobile frame, the dehydration mechanism still includes the support of setting in the left side of mobile frame, sets up in the support bottom, and the pressure plate of being located the just above of placing table, installs in the support top, and the cylinder of fixed connection of output and pressure plate, through the dehydration mechanism and pre -drying mechanism integration in the top of equipment body, effectively reduced the equipment floor area, realized cloth dehydration and pre -drying procedure's seamless link, significantly improved cloth processing efficiency.

The utility model discloses a self-cleaning hydrodynamic cavitation device and relates to the field of sludge treatment. The self-cleaning hydrodynamic cavitation device comprises a backwashing device, and a feeding pipeline, a pore plate cavitator, a sludge conveying pipeline, a rotational flow cavitator and a discharging pipeline which are communicated in sequence; a feeding valve is arranged on the feeding pipeline, and an outlet valve is arranged on the sludge conveying pipeline; the backwashing device comprises a water inlet pipeline and a water drainage pipeline; the water inlet pipeline is communicated with the sludge conveying pipeline between the pore plate cavitator and the outlet valve, and a water inlet valve is arranged on the water inlet pipeline; the drainage pipeline is communicated with the feeding pipeline between the feeding valve and the pore plate cavitator, and a drainage valve is arranged on the drainage pipeline; and the sludge conveying pipeline is also communicated with a medicament conveying pipeline. The self-cleaning hydrodynamic cavitation device disclosed by the utility model can be used for effectively dehydrating sludge; effective self-cleaning can be achieved, and the system stability is high; and energy conservation can be realized while the dehydration effect is improved.

The utility model discloses dehydration equipment for waterproof coiled materials, relates to the field of waterproof coiled materials, solves the problem of poor dehydration effect on the waterproof coiled materials in the conventional adsorption type dehydration, and adopts the following scheme that the dehydration equipment comprises a dehydration frame, the main body of the dehydration frame is an arc-shaped water pressing part, and a bearing frame is fixedly arranged on the outer wall of the top edge of the water pressing part; a double-screw bolt is arranged in the bearing frame in a threaded and sleeved mode, a rotating shaft column is assembled at the bottom end of the double-screw bolt in a through mode, water pressing frames are rotationally arranged at the two ends of the rotating shaft column in a sleeved mode, water pressing rollers tightly attached to the top face of the water pressing part are assembled at the bottom ends of the water pressing frames, and the inner walls of the two water pressing frames are elastically connected through the water pressing frames. According to the dewatering equipment for the waterproof coiled material, through the arrangement of the dewatering frame and the water pressing frame on the dewatering frame, the position of the water pressing frame on the water pressing part can be adjusted by rotating the stud, the waterproof coiled material between the water pressing part and the water pressing roller is pressed, and a water body immersed in the waterproof coiled material can be squeezed out of the waterproof coiled material.

The utility model provides a slurry dewatering mechanism for seasoning production, which comprises a fixing plate and support legs fixed at the bottom of the fixing plate. The water filtering mechanism is arranged at the top of the fixed plate and comprises an outer cylinder fixed at the top of the fixed plate, a rotating piece arranged in the outer cylinder, a filter pressing piece arranged above the rotating piece, a driving piece rotating at one side of the rotating piece, a mounting hole formed in the top of the rotating piece and a water draining pipe arranged at the outer side of the outer cylinder; and the cleaning mechanism is arranged at the top of the fixed plate. The slurry dewatering mechanism for condiment production solves the problems that a large amount of water is remained in slurry subjected to filter pressing, the production standard cannot be met, the processing quality is reduced, a large amount of residual slurry is attached to the cylinder wall after dewatering is completed, cleaning treatment is not conducted in time, a large amount of bacteria are bred, and the production cost is reduced. And the risk of influencing food safety is increased.

This invention discloses a method for improving the dewatering efficiency of antibiotic bacterial residue through hydrothermal carbon conditioning combined with high-pressure filtration. The method involves placing sludge in a hydrothermal reaction vessel and carbonizing it at a constant temperature of 180℃–280℃ for 0.5–6 hours. The hydrothermal carbon from the hydrothermal carbonization reaction is then added to antibiotic bacterial residue with a moisture content of 85–98 wt.%, and after thorough mixing with hydrogen peroxide to break down the cell walls, high-pressure filtration is performed to obtain the dewatered antibiotic bacterial residue filter cake. The hydrothermal carbonization technology proposed in this invention requires no additional reagents, and the preparation temperature is lower compared to traditional carbon materials. Compared to traditional thermal treatment dewatering of antibiotic bacterial residue, only a very small proportion of hydrothermal carbon is needed to achieve highly efficient dewatering of the antibiotic bacterial residue, further reducing costs. Furthermore, this invention achieves both efficient dewatering of antibiotic bacterial residue and safe disposal and resource utilization of sludge waste.

The utility model discloses an efficient dewatering device for yellow phosphorus electric furnace slag, which comprises a vibrating frame with a U-shaped section, a feeding belt arranged above the feeding end of the vibrating frame, a discharging belt arranged below the discharging end of the vibrating frame and a water tank arranged below a water outlet at the bottom of the vibrating frame. A cam structure which is driven by a vibration motor to rotate horizontally and a draining plate which is obliquely arranged and provided with water filtering holes are arranged in the vibration frame, and a rolling belt for extruding materials above the draining plate is horizontally and rotationally arranged above the draining plate. The effects of effectively dehydrating the slag and improving the slag dehydration efficiency and the dehydration quality are achieved.

The present invention discloses a method for strengthening the dehydration of digested sludge by recycling flocculants, and relates to the technical field of urban sludge treatment. The method comprises the following steps: identifying and utilizing the recyclable flocculant PAC in the residual sludge, adding CaO2 to the residual sludge containing PAC, mixing evenly, and adjusting the pH value; sending the treated residual sludge into an anaerobic digestion reactor, monitoring the methane production and daily gas production until the gas is exhausted, that is, the anaerobic digestion is completed; dehydrating the digested sludge obtained after the anaerobic digestion is completed, so as to achieve enhanced dehydration of the digested sludge. The present invention is conducive to reducing the moisture content of the digested sludge, effectively improving the dehydration efficiency and resource recycling rate of the digested sludge; and polyaluminum chloride is used as a recycled flocculant to effectively break up the digested sludge particles, which can not only ensure the effective discharge of water between the digested sludge particles, but also optimize the fluidity and compressibility of the digested sludge, which is convenient for subsequent transportation and treatment.

The invention discloses a composite demulsifier for dehydrating oily scum and a process for treating oily scum, wherein the composite demulsifier is prepared by the following method: S1, preparing porous aluminum-doped manganese dioxide; S2, loading ruthenium-doped carbon dots on Al-MnO2 by a one-pot hydrothermal method to obtain a composite demulsifier. Under the combined action of the composite demulsifier provided by the invention and ultrasound, demulsification with multiple physical and chemical effects can be achieved, thereby promoting efficient dehydration of oily scum. The process for treating oily scum of the invention first alkalizes the scum, and then demulsifies and layers the scum wastewater by combining the composite demulsifier with ultrasound. Under the action of ultrasound, the organic components in the water are degraded by the strong oxidizing ability of the composite demulsifier; the oily scum is separated by three phases, and the oil phase product is recovered, and finally the resource treatment of the scum is achieved, which can reduce environmental pollution, recycle useful resources, and form obvious economic and environmental benefits.

The utility model discloses a sludge dewatering assembly line in port engineering, and relates to the technical field of port construction instruments. The device comprises a conveying belt, a belt filter press is arranged on one side of the conveying belt, a slicking unit used for preventing sludge accumulation is arranged between the conveying belt and the belt filter press, and the slicking unit comprises an inclined plate, scraping teeth and a driving part; the scraping teeth are arranged above the inclined plate, and the ends of the scraping teeth abut against the inclined plate. The driving part is arranged above the scraping teeth, is in driving connection with the scraping teeth, and is used for driving the scraping teeth to transversely move back and forth on the inclined plate. According to the device, two groups of scraping teeth are used for scraping back and forth, so that sludge is uniformly distributed on the inclined plate, and large impurities in the sludge can be scraped, so that the sludge can be effectively dehydrated by filter cloth when finally falling into the belt filter press, additional damage to the filter cloth is avoided, and the requirements of a user are met.

The present disclosure relates to the technical field of cotton processing equipment, and one embodiment of the present disclosure provides a deodorizing device for cotton processing, which comprises a treatment tank and a plurality of groups of heating pipes, the heating pipes are all installed in the treatment tank, inner racks are all arranged in the treatment tank, extrusion assemblies are arranged on the treatment tank and the inner racks, and inlet and outlet conveying assemblies are arranged in the treatment tank, the inlet and outlet conveying assemblies comprise a pair of feeding baffles, the feeding baffles are all arranged in the treatment tank, a pair of guide plates are arranged in the treatment tank, two groups of conveying rollers are rotatably connected in the treatment tank, the number of each group of conveying rollers is two, and the conveying rollers are respectively located in the feeding baffles and the guide plates. Through the above technical scheme, the technical problem that when the cotton reaches a high temperature state, the original odor substances will undergo complex physical and chemical changes, the odor is difficult to remove, and a pungent odor is generated in the prior art is solved.

This invention discloses a belt-type thickening and dewatering integrated machine for wastewater treatment and reuse, relating to the technical field of sludge dewatering equipment. The integrated dewatering machine includes a mounting frame, with a first filter belt located in the middle of the inner side of the mounting frame. A second filter belt, working in conjunction with the first filter belt, provides compression for the sludge. A first roller and a second roller, providing drive path guidance for the first and second filter belts, are rotatably mounted inside the first filter belt. A tail scraper, providing sludge feed to the first filter belt, is located at the end of the first filter belt. A cleaning frame is located at the bottom inner side of the first filter belt. This invention overcomes the shortcomings of existing technologies, achieving water-saving and efficient dead-angle cleaning and regeneration, and is adaptable to different types of viscous sludge, significantly improving dewatering efficiency and applicability, thus possessing high social value and application prospects.

The utility model relates to a kind of self-cleaning filter dry slag system mechanism, it includes material cavity, the feed inlet is set in the feed end of material cavity, its discharge end is set with extrusion hole;Screw rod driven by motor is arranged in the material cavity, the screw rod is conical structure and its pitch continuously decreases along material conveying direction;Coarse filter screen and conical screen are arranged in the material cavity along material conveying direction, the coarse filter screen is set at near the feed inlet, the conical screen is sleeved in the outer periphery of the screw rod, the material cavity is respectively set with and the coarse filter screen and conical screen intercommunication drain outlet.The utility model has the effect that dehydration efficiency is high, can reduce material liquid waste in the process of discharging slag and reduce environmental pollution simultaneously.

The utility model provides efficient and environment-friendly agricultural seed processing equipment, and relates to the field of seed processing, the efficient and environment-friendly agricultural seed processing equipment comprises a base, a processing tank is fixedly connected to the base, a processing frame is arranged in the processing tank, a main shaft is fixedly connected to the middle position of the processing frame, and the lower end of the main shaft is rotatably connected with the upper side wall of the base; and a fan is mounted and connected to the side wall of the base. The motor drives the gear to be in meshing transmission with the gear ring, so that the treatment frame rotates, and water on the surfaces of seeds is quickly thrown out through the steel mesh at the bottom of the treatment frame and small holes in the annular area by centrifugal force; the valve wheel at the first pipe opening is controlled to be opened, the valve wheel at the second pipe opening is controlled to be closed, the draught fan is started, airflow is conveyed to the bottom pipe from the three-way pipe and directly enters the treatment tank, an upward wind power field is formed, double-effect treatment of dehydration and heat drying can be achieved, and the switching time is effectively shortened.

The utility model discloses a dehydration device for producing anhydrous acetonitrile. The dehydration device comprises a dehydration tank I and a dehydration tank II, the side face of the first dewatering tank is communicated with a first feeding pipe, the side face of the second dewatering tank is communicated with a second feeding pipe, and the ends, close to each other, of the first feeding pipe and the second feeding pipe are communicated with a main feeding pipe. The bottom of the first dehydration tank is communicated with a first discharging pipe, the bottom of the second dehydration tank is communicated with a second discharging pipe, and a discharging port of the first discharging pipe and a discharging port of the second discharging pipe are communicated with a connecting pipe. When the molecular sieve in one dehydration tank needs to be replaced, the other dehydration tank can be used for dehydration operation, the two dehydration tanks do not interfere with each other, and the molecular sieve in any dehydration tank can be replaced under the condition of no shutdown, so that the dehydration efficiency of acetonitrile is ensured.

The invention discloses a plastic recycling method. The plastic recycling method comprises the following operation steps that firstly, a fishing net is put into a shearing machine to be sheared; 2, the sheared fishing net is put into a crusher to be crushed, and a flocculent fishing net is obtained; 3, the flocculent fishing net is put into a recovery treatment tank, water is poured, the water level is lower than the top of the inner tank, and the flocculent fishing net is soaked; 4, a motor and an air pump are started, the rotating shaft slowly rotates along the output end of the motor, the flocculent fishing net is stirred, and the flocculent fishing net is extruded to the air bag wall through the air bag ring which becomes larger after air enters the air bag ring. Through the design of extrusion dehydration and mixed liquid suspension separation, efficient dehydration and accurate collection of flocculent fishing nets are achieved, the problem that impurities left in the flocculent fishing nets can be discharged only after long-time soaking is avoided, and the recovery efficiency is effectively improved.

The invention discloses streptococcus agalactiae capsular polysaccharide and a purification method thereof. The purification method comprises the following steps: sodium deoxycholate-calcium chloride pretreatment, ultrafiltration liquid exchange, chromatography by series strong anion exchange chromatography and weak anion exchange chromatography, ultrafiltration desalination, polysaccharide precipitation, sugar washing and freeze-drying. The method provided by the invention eliminates the use of phenol in the traditional capsular polysaccharide purification process, and reduces the harm to the environment and personnel. Carrying out crude sugar pretreatment by using a sodium deoxycholate treatment calcium chloride precipitation mode so as to preliminarily remove protein nucleic acid impurities; the flow-through mode chromatography of the chromatographic column is matched with tangential flow ultrafiltration desalination, so that the impurity content is lower, and the flow-through mode is used for impurity removal, so that the production amplification is more feasible; the strong anion and weak anion chromatography mode combination is matched with the organic solvent gradient sugar washing, so that polysaccharide pigment removal and endotoxin removal are facilitated; after the polysaccharide is precipitated, the polysaccharide is washed, homogenized, dispersed and freeze-dried, so that the polysaccharide freeze-dried powder with extremely low water content and uniform dispersion can be obtained, is convenient to take and use and is more stable to store.

The utility model relates to food processing technical field discloses a kind of food dehydration device, including extrusion mechanism, collection mechanism and protection mechanism, and the extrusion mechanism is located inside protection mechanism, and the extrusion mechanism includes driving motor, and the output end of driving motor is fixedly connected with driving gear, and the surface of driving gear is engaged with synchronous tooth belt, and the inner wall of synchronous tooth belt is driven with driven gear, and the bottom of driving gear and driven gear is fixedly connected with screw rod, and the surface of screw rod is threadedly connected with moving block, and the surface of moving block is fixedly connected with limit plate, the utility model can work together with extrusion mechanism by being set, limit plate and extrusion plate can work together under the action of moving block, enter the inside of storage box, to carry out effective dehydration to food in storage box, and the whole process can carry out dehydration treatment to multiple storage boxes simultaneously, reduce the frequency and time of manual operation, further improve work efficiency.

The utility model belongs to the technical field of dehydration equipment, and provides a multi-roller type fiber dehydrator which comprises a shell, a compression roller assembly and a pressing assembly, a feeding port and a discharging port are formed in the shell, and materials are conveyed to the discharging port from the feeding port; the press roller assemblies are arranged in the conveying direction of materials, each press roller assembly comprises a net roller and a plurality of rubber rollers, the net rollers are rotationally arranged in the shell, the rubber rollers are located above the net rollers and abut against the net rollers, and the two ends of each rubber roller are movably arranged on the shell; the pressing assembly is arranged on the shell and used for pressing the end of the rubber roller, the pressing assembly comprises a plurality of mounting bases and air springs, the mounting bases correspond to the rubber roller, the mounting bases are fixedly arranged on the shell, and the air springs are arranged on the mounting bases and used for pressing the rubber roller; the number and / or the size of the air springs corresponding to the rubber rollers are sequentially increased in the material conveying direction. According to the technical scheme, the problem that an existing fiber dehydrator is low in dehydration efficiency is solved.

The utility model discloses a horizontal sieve with dehydration function, including the box, the material guide plate, the sieve board front and rear side convex fixedly connected with the locating insert block, and the locating insert block is connected with the locating slot insert combination, the locating slot is located in the middle and the lower extreme front and rear side of box inner wall, vibration motor, hydraulic cylinder and PLC controller electric connection. This horizontal sieve with dehydration function can carry out efficient extrusion dehydration through extruding block, hydraulic cylinder, and can pass through the material guide plate water -permeable material guide, and can pass through the closing plate and carry out the opening closure, can carry out more efficient dehydration, and can pass through the water guide groove, the water outlet and the extension duct and carry out waste water diversion collection, and can pass through the splicing slot, the splicing insert block and will the material hopper independent dismounting, and can pass through the sealing ring, the sealing groove, the installation slot, the locating slot, the locating insert block, the installation closing block, the fixed bolt and carry out the positioning quick dismounting of material guide plate, sieve board, use more convenient.

The application discloses a pig breeding excrement treatment and utilization device and relates to the technical field of excrement treatment equipment, which comprises a treatment box, a No.1 motor fixedly installed at the bottom of the treatment box, the output end of the No.1 motor rotating and penetrating through the top and bottom of the bottom of the treatment box, a partition plate fixedly installed on the inner wall of the treatment box, a top plate fixedly installed at the top of the treatment box, a protection box fixedly installed at the top of the top plate, a water outlet pipe fixedly penetrating through the rear surface of the treatment box, a No.1 valve fixedly installed on the circumferential surface of the water outlet pipe, a medicine injection device arranged on the inner wall of the treatment box, the medicine injection device comprising an agitating plate, a sliding block, a long strip plate, a flow guide seat, a sealing sliding block and a triangular plate, the sealing sliding block being moved away from the bottom of the medicine storage box by the agitating plate to realize quantitative release of the medicine, and the medicine being thrown out in a fan shape by the injection head through the rapid resetting of the swing spray pipe pushed by the push block.

The present invention relates to a dehydration system and a dehydration method for a loose body, wherein the dehydration system comprises: a sintering cylinder provided with an air inlet, the sintering cylinder further provided with a protective gas inlet, and the sintering cylinder further provided with a high-temperature dehydration zone between the air inlet and the protective gas inlet; an air jet device, the air jet device is connected to the protective gas inlet, the air jet device can spray protective gas along the protective gas inlet to form an air curtain, the air curtain is used to collect the gas introduced from the air inlet in the high-temperature dehydration zone; a rod feeding device, the rod feeding device is used to extend the loose body to the high-temperature dehydration zone in the sintering cylinder. The reaction gas is gathered in the high-temperature dehydration zone through the air curtain, the concentration of the reaction gas is increased, and efficient dehydration of the loose body is achieved.