16results about How to "Efficient dehydration" patented technology

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 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.

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.

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 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 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 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 utility model discloses a kind of efficient biochemical sludge dewatering devices, including: bottom placement bedplate;Dewatering collection mechanism, the upper end of the dewatering collection mechanism is fixedly connected in bottom placement bedplate;Block filter mechanism, the upper end inside of the dewatering collection mechanism is sleeved in block filter mechanism;Tapered screw rod dewatering mechanism, the upper end of the dewatering collection mechanism is fixedly connected in tapered screw rod dewatering mechanism;Resist positioning mechanism, the left end discharge of tapered screw rod dewatering mechanism is fixedly connected in resist positioning mechanism, the utility model resist positioning mechanism can resist in the left end discharge of tapered screw rod dewatering mechanism, so that the size of tapered screw rod dewatering mechanism left end discharge area can be changed, according to the change of discharge gap for same biochemical sludge dewatering material each time, so that biochemical sludge is more efficient when dewatering.

The present application belongs to the technical field of oil and gas exploitation, and particularly relates to a crude oil dehydration equipment. The crude oil dehydration equipment comprises a primary separation shell, a cyclone guide is arranged at the lower part of the primary separation shell, crude oil flows from bottom to top in the primary separation shell and generates cyclone after passing through the cyclone guide; a water collecting shell, the primary separation shell is interval type sleeved in the water collecting shell; a secondary separation shell, a plurality of secondary separation shells are uniformly arranged in the circumferential direction outside the primary separation shell, an oil collecting pipe is coaxially arranged at the upper part of each secondary separation shell, and a water collecting pipe is arranged at the lower part of each secondary separation shell; a distributor is coaxially arranged at the upper part of the primary separation shell, the distributor connects the inner cavity of the primary separation shell and the inner cavities of the secondary separation shells, and crude oil generates cyclone after flowing into the secondary separation shells through the distributor. The present application is compact, efficient and suitable for large processing capacity.