69results about How to "Efficient dehydration" patented technology

The invention relates to the technical field of sludge dewatering treatment, in particular to a method for improving sludge dewatering performance through low-temperature hydrothermal coupling of a deep eutectic solvent, which comprises the following steps: putting a hydrogen bond donor and a hydrogen bond acceptor into a reactor, heating and stirring to obtain the deep eutectic solvent; taking sludge to be treated, adding the deep eutectic solvent, and stirring and mixing for reaction; and putting the sludge added with the deep eutectic solvent into a thermal hydrolysis reaction device with a stirring function, carrying out thermal hydrolysis treatment, and continuously stirring to complete the sludge dewatering process. By adding specific DES into the sludge, the thermal hydrolysis treatment temperature can be reduced, and at the lower temperature (lt; the method realizes high-efficiency dehydration at the temperature of 100 DEG C, not only reduces the treatment cost, but also improves the safety, and has extremely profound social significance and economic value.

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.

The invention discloses a novel beneficiation combination process for preparing super iron ore concentrate by utilizing magnetite concentrate, which comprises the following steps of: pre-checking and grading, controlling and grading, tower grinding, weak magnetic roughing, weak magnetic concentration, elutriation, reverse flotation roughing, reverse flotation scavenging I, reverse flotation scavenging II, concentration magnetic separation I, concentration magnetic separation II and filtering and dewatering. The TFe grade of the super iron ore concentrate is larger than or equal to 72.1%, the SiO2 content of the super iron ore concentrate is smaller than or equal to 0.1%, and the super iron ore concentrate is subjected to concentration magnetic separation, filter pressing, drying and packaging to form a final product. Tailings of the coarse and fine magnetic separation operation, tailings of the elutriation operation and tailings of the reverse flotation are combined together to serve as common iron ore concentrate to be sold. Closed-circuit ore grinding is formed through pre-inspection and control combined classification and tower grinding, so that magnetite and gangue minerals are fully dissociated, and then the super iron ore concentrate is obtained through one-rough-one-fine magnetic separation operation, elutriation operation and one-rough-two-scavenging reverse flotation operation. The method has the advantages of uniform granularity of ground products, simple process flow, stable product quality, low comprehensive energy consumption and the like.

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 discloses a modified fiber fabric and a preparation method thereof, belongs to the technical field of cellulose, and solves the technical problem that in the prior art, sodium and potassium in a CMC-H modified fiber product remain on a water absorbing material, so that the biocompatibility of the water absorbing material is influenced. According to the modified fiber fabric and the preparation method thereof provided by the invention, the fiber fabric raw material is subjected to modification treatment to obtain carboxymethyl cellulose and ammonia ammoniation treatment in sequence on the basis of keeping the fiber shape, so as to obtain the fiber fabric of which the modifier is the ammonium carboxymethyl cellulose; the fiber fabric raw material is used for maintaining a fibrous modification treatment reaction, specifically, in the modification treatment reaction process, in fiber molecules of the fiber fabric raw material, 1, 4-glucosidic bonds in glucose molecules are connected to form cellulose chains arranged in parallel, the cellulose chains are not changed, and specific chemical groups on specific carbon positions C6, C2 and C3 on the molecular chains of fibers are subjected to a modification reaction; and the softness and physical properties of the product paper or non-woven fabric are ensured.

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 invention relates to the technical field of sludge treatment, and provides a sludge dewatering and granulating agent, device and method, and the agent comprises a compound agent and sodium silicate; the mass of the compound agent is 2-5% of the mass of the sludge; the mass of the sodium silicate is 50-60% of the mass of the compound agent; the compound agent comprises blast furnace slag and potassium ferrate; the mass ratio of the blast furnace slag to the potassium ferrate in the compound medicament is (10-20): 1. The method comprises the following steps: adding the compound agent into sludge, and stirring to react for 5-10 minutes; adding sodium silicate into the sludge, and stirring for 20-30 minutes; and carrying out filter pressing and granulation treatment on the conditioned sludge to form sludge particles. By integrating and optimizing the sludge treatment process, the treatment efficiency is improved, and the environmental pollution is reduced. The structure is simple, the operation is convenient, and the operation and maintenance cost can be reduced while the treatment effect is ensured.

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 invention discloses a continuous production process for dehydration polymerization of polyarylene sulfide resin, which takes a sulfur source and a dihalo aromatic compound as raw materials and organic amide as a solvent to carry out dehydration and polymerization reaction, and comprises the following steps: (1) dehydration: continuously introducing all the raw materials except the dihalo aromatic compound into N dehydration reaction kettles connected in series, the N dehydration reaction kettles connected in series are continuously heated in a segmented temperature control mode, and N is larger than or equal to 3; vaporized steam in the N dehydration reaction kettles connected in series is introduced into a distillation tower, after distillation, reflux liquid at the bottom of the distillation tower can flow back to the N dehydration reaction kettles, and the principle that reflux liquid with the temperature close to that of the dehydration reaction kettles returns to the dehydration reaction kettles is adopted; and (2) continuously pumping the dehydrated liquid obtained after treatment and a dihalo aromatic compound into a polymerization reactor, and carrying out heating polymerization and post-treatment to continuously produce the polyarylene sulfide resin. According to the continuous production process disclosed by the invention, the product dehydration and polymerization process is stable and controllable.

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 utility model relates to the technical field of building construction, and provides a cloth drying device for clothes processing, which comprises a drying box, a mounting box fixedly mounted on the rear side of the drying box, a shaft rod movably penetrating between the mounting box and the drying box, and a dewatering cylinder fixedly connected to one end of the shaft rod and positioned in the drying box. A synchronous wheel II is driven by a motor to rotate, and a synchronous wheel I is linked under the action of a synchronous belt to drive a shaft rod to rotate between the mounting box and the drying box, so that a dewatering cylinder rotates in the drying box and is used for dewatering clothes; during dehydration, the small ozone generator is started to input generated ozone gas into the heating box, ozone is blown to the heating wire to generate hot air, and the generated hot air is blown into the circular sealing shell through the rotating joint and the breather pipe and is sprayed out from the plurality of air spraying pipes, so that clothes and cloth are effectively dehydrated and disinfected and dried by blowing hot ozone; therefore, the drying efficiency of clothes and cloth is improved.

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.

The utility model relates to the technical field of slurry dehydration, in particular to an automatic slurry dehydration device which comprises a feed hopper and a dehydrator, the dehydrator is installed on the side face of the feed hopper, and a flow guide device is installed above the dehydrator. The flow guiding device comprises a fixing frame, a motor and a threaded shaft, the lower portion of the fixing frame is fixedly connected with the dehydrator, the motor is fixedly connected to one side of the fixing frame, the threaded shaft is fixedly connected to the tail end of a main shaft of the motor, and the other end of the threaded shaft is rotationally connected with the fixing frame; the motor is started to drive the threaded shaft to rotate, the threaded shaft drives the threaded sleeve to move, the threaded sleeve drives the adjusting assembly and the moving assembly to reciprocate front and back, at the moment, a water seepage groove can be reserved in the tailing slurry in the longitudinal direction, and water on the surface of the tailing slurry can seep downwards through the water seepage groove; in addition, due to the arrangement, the moving assembly is not prone to being damaged, and the equipment can be used for a long time.

The utility model discloses an efficient iron ore concentrate dehydration device, and belongs to the technical field of ore dehydration. Comprising a base, and a reservoir is arranged at the front end of the top of the base; the displacement assembly comprises rotating motors arranged at the two ends of the top of the base, rotating connecting rods arranged on the side faces of the rotating motors and a cover lifting hydraulic cylinder arranged at the rear end of the top of the base, and a cover lifting rod is arranged at the top of the cover lifting hydraulic cylinder. The rotary dewatering set comprises a shell arranged at the top of the base, a dewatering motor is arranged in the shell, a rotary base is arranged at the top of the dewatering motor, and a dewatering shell and a dewatering filter screen are arranged in the rotary base; the drying assembly comprises a cover. The dewatering motor drives the rotary base to rotate to throw out most of water, then the fan motor drives the fan to blow air, and the heating net heats the air to dry the remaining water. The iron ore concentrate dehydration device is compact and reasonable in structural design, good in dehydration effect and capable of efficiently completing iron ore concentrate dehydration.

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 invention discloses a tissue optical transparency reagent and a rapid tissue optical transparency method, and belongs to the technical field of biomedical optical imaging. The tissue optical transparency reagent comprises a dehydration liquid, wherein the dehydration liquid comprises polyhydric alcohol, amino alcohol, a reducing agent and a dehydrating agent; the mass volume ratio of the polyhydric alcohol to the dehydrating agent is 5%-30%, the mass volume ratio of the amino alcohol to the dehydrating agent is 5%-30%, the mass volume ratio of the reducing agent to the dehydrating agent is 0.1%-1%, and the dehydrating agent is selected from at least one of boric acid ester substances, methoxane substances and oxysilane substances. The dehydration liquid in the tissue optical transparent reagent provided by the invention can be used for mildly and efficiently dehydrating biological tissues, and the problems that gradient dehydration needs to be carried out and the reagent is frequently replaced in the existing physical dehydration are solved. Therefore, the tissue optical transparency reagent has a good application prospect in the field of biological tissue optical transparency.

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.