169results about How to "Improve dehydration effect" patented technology

The invention discloses a sewage sludge advanced treatment device, which belongs to the technical field of sludge treatment, and comprises a flocculation basin and a dehydration device, a concentration adjusting tank is arranged between the flocculation basin and the dehydration device, the inside of the tank is divided into a high-concentration area and a low-concentration area through a filter plate, the high-concentration area is provided with a first liquid inlet pipe, and the low-concentration area is provided with a second liquid inlet pipe; flowing into a dehydration device through a mixing pump; the filter plate is controlled by a driving mechanism to move so as to change the volume of the high-concentration area, and a first concentration detector is mounted on the first liquid inlet pipe and is used for moving the filter plate to reduce the volume of the high-concentration area when the first concentration detector detects that the concentration is lower than a threshold value; a control valve is installed on the second liquid inlet pipe and used for opening the control valve when the first concentration detector detects that the concentration is larger than the threshold value. The concentration regulating tank is arranged between the flocculation tank and the dehydration device to regulate the concentration of the sludge, so that the concentration of the sludge input into the dehydration device is stable, and the qualified rate of sludge caking is ensured.

The invention discloses a sulfur hexafluoride gas purifying and filtering device, belongs to the technical field of sulfur hexafluoride gas filtering, and aims to solve the problems that the impact force of gas input into a tank body is relatively strong, the filtering efficiency and the filtering effect are relatively poor, and water in gas needs to be transferred to other equipment for treatment when being separated. A filtering mechanism for conveniently filtering gas is arranged in the gas filtering tank, and a water removal mechanism for conveniently separating water contained in the gas is arranged in the gas filtering tank. According to the sulfur hexafluoride gas purifying and filtering device, the air bellow is connected to the inner end of the air inlet pipe arranged above the filtering mechanism, the hedging air pipes are arranged on the two sides of the air bellow, and the air outlet ends of the hedging air pipes are oppositely arranged; therefore, speed reduction of the high-speed gas is achieved through hedging.

The invention discloses a carbon-based confinement type catalyst as well as a preparation method and application thereof. The catalyst comprises a sludge carbon substrate, and carbon nanotubes and active metals covering the surface of the substrate, the active metal comprises Fe and Ni; ni is doped in the carbon nanotube to form a confinement structure; fe is loaded outside the carbon nanotubes. The active metal of the carbon-based confinement type catalyst is confined in a superstructure carbon nanostructure covering the surface of a carbon substrate, so that the hydrothermal oxidation efficiency can be effectively improved, the degree of cracking of sludge extracellular polymeric substances is improved, deep cracking of sludge is realized, and the risk of secondary pollution caused by loss of the active metal is reduced; the catalyst can selectively oxidize macromolecular organic matters released by sludge disintegration, the product selectivity of micromolecular carboxylic acid is improved to be higher than 95% by a confinement structure, the micromolecular carboxylic acid can be further utilized as a carbon source, the treated supernate can be used as a composite carbon source to be applied to the biochemical process of sewage treatment, and resource utilization is realized; the catalyst can realize HTO treatment of sludge at 200 DEG C or below, and does not generate biotoxic by-products in the sludge treatment process, and the treated product can be used as a high-quality carbon source.

The invention relates to the technical field of sewage treatment and resource utilization, in particular to a sludge treatment system with an integrated microbial fuel cell and a treatment method of the sludge treatment system. A first cathode plate matched with the sludge compression chamber is arranged at the other end in the sludge compression chamber in a sliding mode, a driving mechanism used for driving the first cathode plate to be close to or away from the first anode plate is arranged on the sludge compression chamber, and a sludge discharge port is formed in the lower portion of the sludge compression chamber. The chlorine salt and the tannic acid are added into the sludge in the pretreatment barrel, the chlorine salt is used for improving the electrochemical wall breaking effect of the sludge, the tannic acid is used for improving the dewatering performance of the sludge and reducing the hydrothermal dewatering temperature, the chlorine salt and the tannic acid are mixed in the pretreatment barrel and then enter the fuel tank for chemical reaction, electric energy is generated, and electric power is provided for the storage battery; the microorganisms can degrade organic matters in the sludge.

The utility model discloses a gauze cleaning and dewatering device, and particularly relates to the technical field of medical gauze production, which comprises a box body, openings are arranged at two ends of the box body, a drain pipe is arranged on the side wall of the box body, a spraying mechanism is arranged at one end of the top of the box body, and a drying mechanism is arranged at the other end of the top of the box body. A partition plate is fixed in the middle of the interior of the box body, and a channel is formed in the side wall of the partition plate; and the guide roller assembly is arranged in the box body and is close to the lower position of the spraying mechanism. Through the arrangement of the guide roller assembly, gauze can be continuously arranged among the first guide roller, the second guide roller, the third guide roller and the fourth guide roller in an S-shaped penetrating mode, the surface of the gauze is swept through the sweeping mechanism, in cooperation with flushing water, dust adhering to the two faces of the gauze is rapidly removed, impurities can be effectively removed, the cleaning effect is good, and the cleaning efficiency is high. And double-face cleaning can be achieved at the same time, efficiency is high, and the using effect of the device is greatly improved.

The invention belongs to the technical field of medical equipment, and discloses an oxygen generator which comprises an adsorption cylinder, a compressor, a humidifying cup and a condensation water collection assembly, the adsorption cylinder is filled with an adsorbent for adsorbing nitrogen, the compressor is used for providing pressurized air for the adsorption cylinder, the humidifying cup is used for humidifying oxygen from the adsorption cylinder, and the condensation water collection assembly is used for collecting water from the adsorption cylinder. The humidifying cup is provided with a liquid inlet, the condensation and water collection assembly is provided with a liquid outlet, an air inlet communicated with the compressor and an air outlet communicated with the adsorption barrel, the condensation and water collection assembly is used for condensing water vapor in pressurized air generated by the compressor into liquid, and the liquid is discharged through the liquid outlet and enters the humidifying cup through the liquid inlet so as to supplement water to the humidifying cup; according to the technical scheme, the frequency that water needs to be supplemented to the humidifying cup is reduced, the use experience of a user is greatly improved, the humidity of pressurized air entering the adsorption barrel is greatly reduced, the phenomenon that an adsorbent is agglomerated due to humidification is improved, the service life of the adsorption barrel is prolonged, and the use cost of the user is reduced.

The invention discloses a method for improving the dewatering performance of excess sludge by combining mushroom residue-based ferromagnetic biochar with persulfate, and belongs to the technical field of solid waste treatment. The method comprises the following steps: pyrolyzing mushroom residues at a high temperature to prepare biochar, and loading iron ions on the biochar by adopting a hydrothermal method to obtain a heterogeneous catalyst of persulfate, namely the mushroom residue-based ferromagnetic biochar. The mushroom residue-based ferromagnetic biochar and persulfate are added into the excess sludge, the sludge structure can be destroyed through stirring treatment, the water content can be reduced, and the dewatering performance of the excess sludge can be improved. Compared with traditional catalysts such as transition metal ions, the mushroom residue-based ferromagnetic biochar provided by the invention is combined with persulfate as the catalyst, so that the catalyst is more environmentally friendly, efficient and stable.

The embodiment of the invention provides manufacturing equipment for non-woven fabrics capable of being dispersed, which is used for manufacturing the non-woven fabrics capable of being dispersed and comprises a forming unit, the forming unit comprises a headbox and a forming net, the forming net comprises a forming section, the headbox comprises a lip plate, and the lip plate comprises a first upper lip plate and a second upper lip plate. The forming section comprises a first forming section corresponding to the first upper lip plate and a second forming section corresponding to the second upper lip plate, the second upper lip plate is parallel to the second forming section, a first forming area is arranged between the first upper lip plate and the first forming section, and a second forming area is arranged between the second upper lip plate and the second forming section. The second upper lip plate further comprises a micro-pore plate facing the second forming area and an upper cavity located above the micro-pore plate, the micro-pore plate comprises a plurality of micro through holes communicating the upper cavity with the second forming area, and the upper cavity is in a positive pressure state. Furthermore, fish scale lines formed on the wet fiber web by the slurry are reduced, and the product quality is improved and stabilized.

The invention discloses a stacked spiral sludge dewatering device and process, and belongs to the technical field of sludge treatment.The device comprises a dewatering cylinder, a rotating roller and a filter screen, and the left side of the dewatering cylinder is fixedly connected with a sludge discharging bin; the rotating roller is located in the center of the dewatering cylinder and driven by a motor, the outer wall of the rotating roller is fixedly connected with a spiral blade, the screw pitch of the spiral blade is gradually decreased from right to left, and the rotating roller comprises a thick roller, a thin roller and a gradual change roller; the sludge dewatering device disclosed by the invention has the beneficial effects that 1, the gradual change roller and the screw pitch gradual change type spiral blade are arranged, so that the volume of sludge is continuously reduced in the sludge conveying process, and the dewatering effect is improved; bristles are arranged to clean the filter screen, so that the filter screen is prevented from being blocked to affect the dewatering effect; and 3, a back pressure ring is arranged, and the pre-pressure of the back pressure ring can be adjusted, so that the pre-pressure of the back pressure plate can be adjusted as required, and the sludge dewatering degree is further adjusted.

The invention relates to the technical field of desalting demulsifiers, and discloses a special demulsifier for desalting heavy fuel oil for a gas turbine and a preparation method of the special demulsifier. Polyethylene glycol monomethyl ether and 4-((dimethylamino) methyl) benzoic acid are subjected to an esterification reaction to obtain tertiary amino polyethylene glycol monomethyl ether; and performing quaternization reaction with bromine atoms of the modified phenolic resin to obtain the special demulsifier for desalting the heavy fuel oil for the gas turbine. The demulsifying agent takes phenolic resin as a matrix, cationic groups and polyether chain segments are introduced into side chains of the phenolic resin, the demulsifying agent has very strong surface activity and shows very high desalination and dehydration performance, the dehydration rate reaches 87.2-93.5% in 18 hours, and after testing for 7 days, the salt content of heavy fuel oil after electric desalination is only 3.4-6.6 mg / L.

The invention discloses a modified bentonite in-situ polymerization type mineral flocculant and a preparation method thereof, and relates to the technical field of flocculants for mineral slurry concentration. Comprising the following steps: S1, dispersing: adding acid and water into bentonite, adjusting the pH value to 3.5-4.5, and dispersing; s2, interlayer modification: adding an intercalator to obtain flocculent precipitate; s3, pretreatment: carrying out four steps of water washing, suction filtration, drying and grinding to obtain an organic precursor with the particle size of 300 meshes; s4, intercalation: adding a polymer monomer to obtain an intercalation monomer; s5, polymerization: adding an initiator, and carrying out polymerization reaction to obtain an intercalation polymer; s6, drying and grinding: sequentially carrying out two steps of drying and grinding to obtain the mineral flocculant. The bentonite is subjected to intercalation modification in an in-situ polymerization manner, and the raw material formula ratio and related processes of each step are controlled, so that the obtained mineral flocculant has better flocculation effect and dehydration effect on small-particle minerals.

The utility model provides a paper bottle mold, a paper bottle wet blank forming device and a paper bottle hot-pressing shaping device. The paper bottle mold comprises an upper mold, a lower mold and a rear mold, an upper bottle body cavity, an upper bottle mouth cavity communicated with the upper bottle body cavity and an upper rear side channel communicated with the upper bottle body cavity are formed in one end, facing the lower mold, of the upper mold; a lower bottle body cavity, a lower bottle cavity cavity communicated with the lower bottle body cavity and a lower rear side channel communicated with the lower bottle body cavity are formed in one end, facing the upper mold, of the lower mold; the rear mold is arranged on the upper rear side channel in a sliding manner, or the rear mold is arranged on the lower rear side channel in a sliding manner; when the upper mold and the lower mold are closed, the upper bottle cavity and the lower bottle cavity enclose to form a first mold cavity, the upper bottle body cavity and the lower bottle body cavity enclose to form a second mold cavity, and the upper rear side channel and the lower rear side channel enclose to form a discharge cavity; the rear mold is arranged to be matched with the end opening, facing the second mold cavity, of the discharging cavity, and the rear mold is driven by the rear driving device to move to the end opening, facing the second mold cavity, of the discharging cavity to be in clearance fit with the discharging cavity. According to the paper bottle mold disclosed by the utility model, integral forming of a paper bottle wet blank / a paper bottle product can be realized.

The present invention discloses a multi-stage separation drying and dehydrating machine for particulate materials, which solves the technical problems of high energy consumption, poor operation stability and easy damage to materials in existing dehydrating machines. The technical scheme includes a vertical shell and a driving device, wherein the top of the shell is provided with a feed port and the bottom is provided with a discharge port and a drain port, the center of the shell is vertically provided with a rotating shaft connected to the driving device, and one or more stages of drying and dehydrating units connected in series are provided along the axial direction of the rotating shaft, the uppermost drying and dehydrating unit is connected to the feed port, and the lowermost drying and dehydrating unit is connected to the discharge port; the drying and dehydrating unit includes a distribution plate mounted on the rotating shaft and a lantern-shaped filter mounted on the outer periphery of the distribution plate, and the lantern-shaped filter is fixed in the shell via a fixing member. The present invention has a simple structure, low energy consumption, little material damage, a high product qualification rate, good dehydration effect and good operation stability.

The utility model discloses a water-jet loom dewatering structure and a water-jet loom, and relates to the technical field of water-jet looms, the water-jet loom dewatering structure comprises a box body, the two sides of the box body are respectively provided with a feed port and a discharge port of cloth, the interior of the box body is divided into a heating area and a dewatering area through a partition plate, a heating assembly is arranged in the heating area, and the dewatering area is provided with a dewatering assembly. The heating assembly comprises a plurality of heating boxes, a dehydration assembly is arranged in the dehydration area, and the dehydration assembly comprises a plurality of ultrasonic oscillation devices. According to the design scheme, cloth is preliminarily heated and dried through the heat conducting plates on the upper surfaces of the heating boxes, the edges of the heat conducting plates are subjected to arc treatment, the cloth is prevented from being scratched, the cloth passes through the upper portion of the energy converter, the energy converter converts high-frequency electric energy into mechanical energy, generates ultrasonic waves and transmits the ultrasonic waves to the surface of the cloth, the cloth generates tiny vibration, and the cloth is heated and dried. Water molecules in the cloth are vibrated and collided under the action of ultrasonic waves, volatilization of the water molecules in the cloth is accelerated, the cloth dehydration effect is improved, and the working efficiency is improved.

A pressure-absorption solid-liquid separator includes a filter, a pressurizing machine is arranged above the rear part of the filter frame, the pressurizing machine has a pressurizing machine belt arranged between the pressurizing machine driving roller and the pressurizing machine passive roller, the pressurizing machine filter cloth is wound around the outer circumference of the pressurizing machine belt, a pressurizing device is installed in the gap between the upper and lower widths of the pressurizing machine belt, the pressurizing device has a plurality of roller groups that can move up and down, each roller group has a plurality of rollers arranged in parallel and perpendicular to the length direction of the pressurizing machine belt, and a roller group pressing device is also provided, each roller group is connected to the roller group pressing device, and a plurality of supporting rollers are arranged at the position corresponding to the roller group under the upper width of the filter belt. The present invention organically integrates negative pressure water absorption and pressurized water squeezing into one device, which ingeniously solves the problem of high moisture content of the product, solves the problem of unsustainable production, and eliminates the unsafe problem caused by high pressure.

The utility model relates to the technical field of chequer-shaped indocalamus leaf processing, and discloses a cleaning and draining device for chequer-shaped indocalamus leaf processing, which comprises a box body, the front side of the box body is fixedly connected with a box door, the box door is fixedly connected with a handle, the front side of the box body is fixedly connected with a control panel, and a limiting mechanism is arranged in the box body. A dewatering mechanism is arranged in the box body, a limiting mechanism comprises an air cylinder, the air cylinder is fixedly connected to the top of the box body, the output end of the air cylinder is fixedly connected with a limiting disc, and the top of a first rotating shaft is fixedly connected with a dewatering barrel. According to the cleaning and draining device for processing the chequer-shaped indocalamus leaves, the chequer-shaped indocalamus leaves can be limited, the chequer-shaped indocalamus leaves are prevented from shaking in the dewatering process, the dewatering effect is improved, meanwhile, the descending height of the limiting disc can be freely adjusted according to the number of the chequer-shaped indocalamus leaves, the chequer-shaped indocalamus leaves are prevented from shaking when few chequer-shaped indocalamus leaves exist, through holes in the surface of the dewatering barrel can be cleaned, and the dewatering barrel is prevented from being blocked; the dehydration efficiency is improved.

The utility model discloses a screen drum cleaning mechanism which comprises an inclined paper machine, a rotating screen drum can drive a rotating assembly to drive a scraper blade to drive a cavity to rotate to be communicated with a filter hole in the inner top face of the screen drum, the section of the cavity is in a horn shape, a three-way pipe is fixedly connected with the scraper blade, and the input end of the three-way pipe is fixedly connected with a filter screen. A plurality of balls are arranged in a vertical pipe of the three-way pipe and can be attached to the surface of the filter screen, a baffle is arranged on the bottom face of the scraper in an attached and sliding mode, a connecting rod is fixedly connected to the top face of the baffle, the top end of the connecting rod is fixedly connected with the bottom face of the clamping hook, and a plurality of cavities are annularly formed in the surface of the scraper and can be communicated with filter holes in the inner top face of the screen drum. When the electric telescopic rod drives the cavity in the scraping plate to slide through the rotating assembly, the air suction assembly works to suck out paper pulp in filtering holes in the inner top face of the screen drum communicated with the cavity, cleaning of the filtering holes in the surface of the screen drum is achieved, the paper pulp dewatering effect is improved, and the paper pulp dewatering frequency is reduced.

The invention discloses a deep dehydration method of sludge pyrohydrolysate, which comprises the following steps: firstly, taking the sludge pyrohydrolysate, measuring the water content of the sludge pyrohydrolysate, then adding an iron salt conditioner according to 1-4% of the dry weight of sludge, stirring and then heating; and then conveying the heated sludge into filter pressing dehydration equipment for deep dehydration to form a sludge cake. In order to solve the problem of dehydration of the pyrohydrolysate obtained by carrying out pyrohydrolysis conditioning on the residual sludge of the sewage plant, an iron salt conditioner is added into the pyrohydrolysate for conditioning again, the temperature is kept at 60 DEG C or above for reaction, and then the mixture is conveyed to filter-pressing dehydration equipment for deep dehydration, so that the dehydration performance of the sludge can be remarkably improved, and the dehydration efficiency is improved. Compared with a common sludge thermal hydrolysate direct dehydration method, the sludge deep dehydration efficiency and effect can be obviously improved, stable operation can be achieved, and the comprehensive treatment cost of sludge is reduced.

The invention relates to the technical field of sludge treatment, and discloses a uniform distribution device and belt type filter pressing equipment. The uniform distribution device comprises a first transmission roller, a plurality of first forming paddles are arranged in the axial direction of the first transmission roller at intervals, and a first discharging space is formed between any two adjacent first forming paddles; the free ends of the multiple discharging pieces extend into the first discharging space and abut against the peripheral wall of the first transmission roller. The free ends of the multiple discharging pieces are intermittently separated from the first transmission roller. And the first discharging space is configured to correspond to at least one discharging piece. The uniform distribution device is arranged at the discharge hole of the belt type filter pressing equipment. According to the invention, the technical problem that sludge separated by belt type filter pressing equipment in the prior art is gathered together can be solved.

The invention relates to the technical field of stirring barrels, and discloses a mining dehydration stirring barrel and a use method thereof, the mining dehydration stirring barrel comprises a stirring barrel and a cylindrical filter plate fixedly connected to the inner wall of the bottom of the stirring barrel; a mineral stirring mechanism and a liquid stirring mechanism are arranged on the stirring barrel, the mineral stirring mechanism comprises a first mineral stirring assembly and a second mineral stirring assembly, the first mineral stirring assembly comprises a reciprocating lead screw rotationally connected to the inner wall of the bottom of the stirring barrel, and the top of the reciprocating lead screw rotationally extends out of the stirring barrel; and a lifting block is in threaded connection with the outer wall of the lifting block. By arranging the mineral stirring mechanism, the problems that in the using process of an existing mining dewatering stirring barrel, due to the fact that the position of a stirring paddle is fixed and is not convenient to adjust in time, ore is not convenient to fully stir in the areas, ore pulp mixing is not uniform, ore pulp layering and sedimentation occur, the ore and water cannot make full contact and be separated, and the stirring effect is poor are solved. The dehydration efficiency and the dehydration quality are reduced.

According to the scheme, the efficient clean coal dewatering screen comprises a dewatering screen body, and the dewatering screen body comprises a mounting base and a mounting frame mounted at the top of the mounting base through a plurality of elastic assemblies; the driving assembly and the scraping structure are arranged and matched with the vibration motor body to increase the vibration amplitude of the sieve plate, so that the movement amplitude of clean coal on the surface of the sieve plate is improved, and when a reciprocating rod rotates, a scraping plate can be driven by a movable block and a connecting rod to reciprocate on the surface of the sieve plate, so that the clean coal on the surface of the sieve plate is scraped; according to the clean coal dewatering screen, it is further guaranteed that clean coal can fully move on the surface of the screen plate, so that the dewatering capacity of the clean coal dewatering screen is optimized, the more thorough dewatering effect and the higher dewatering efficiency are achieved, when the scraper moves on the surface of the screen plate, clean coal blocked in screen holes of the screen plate can be cleaned, and the good anti-blocking performance is achieved; and stable operation of the device is ensured.

The invention discloses a washing machine and a control method thereof, and belongs to the field of washing machines. The washing machine comprises a dewatering barrel, the dewatering barrel comprises a peripheral wall and a bottom wall, the peripheral wall comprises a first peripheral wall section and a second peripheral wall section which are connected, and the second peripheral wall section is connected between the first peripheral wall section and the bottom wall; a drainage groove is formed in the inner wall of the second circumferential wall section, the drainage groove extends in the circumferential direction and is arranged in a sunken mode, and water permeable holes are formed in the inner wall of the drainage groove. The drainage groove extending in the circumferential direction is formed in the second circumferential wall section, the water permeable holes are formed in the inner wall of the drainage groove, and when the dewatering barrel works at a relatively low rotating speed, water dewatered from clothes can be collected into the drainage groove under the gravity of the water and is drained out of the water permeable holes in time, and the dewatering barrel is particularly suitable for being used when the amount of washed clothes is small. Water can be prevented from being repeatedly absorbed by clothes, the water content of the clothes can be reduced, the dewatering effect is improved, and the use experience of a user is improved.

The utility model relates to the technical field of sludge dewatering, and discloses a self-cleaning squeezing and dewatering all-in-one machine which comprises a working table, a water tank installed on the lower portion of the working table, a water outlet pipe arranged on the right side of the water tank in a communicated mode and a connecting assembly arranged on the upper portion of the working table. A filtering mechanism is arranged on the lower portion of the workbench, a through hole is formed in the workbench, a valve is arranged on one side of a water outlet pipe, the lead screw is rotationally connected with the workbench through a bearing, the mounting frame is in threaded connection to the outer wall of the lead screw, and the output end of the first telescopic rod is movably connected with the upper portion of the mounting frame. The output end of the second telescopic rod is movably connected with the connecting plate. The automatic cleaning device solves the problems that an existing device cannot conduct self-cleaning on a filter plate, when the filter plate is cleaned, manual cleaning is needed, manpower is wasted, and then follow-up use of the device is affected.

The utility model relates to the technical field of dehydrating towers for synthetic fibers, in particular to a novel dehydrating tower for the synthetic fibers, which comprises a dehydrating tower, a discharging mechanism is arranged at the bottom end of the dehydrating tower, an adjusting box, a feeding pipe and a discharging pipe are arranged on the dehydrating tower, a spiral blade is arranged in the dehydrating tower, a heating mechanism is arranged on the spiral blade, and the heating mechanism is arranged on the spiral blade. A top cover is arranged at the top end of the dehydrating tower, a bearing seat is arranged in the top cover, a bevel gear ring is arranged on the bearing seat, a sealing box is arranged on the bevel gear ring, a through hole is formed in the top end of the sealing box, and an air inlet pipe is arranged at the top end of the top cover. Synthetic fibers are conveyed in a spiral mode, the contact area and the retention time of the fibers and hot air are increased, the dehydration effect is enhanced, meanwhile, the heating mechanism directly heats the spiral blades, the dehydration efficiency is further improved, and energy consumption is reduced.

The utility model discloses a deep dehydration mechanism and a belt type dehydrator with the deep dehydration mechanism, and the deep dehydration mechanism comprises a driving dehydration roller which is rotatably arranged on a rack; the plurality of grinding rollers are annularly wound on the outer side of the driving dewatering roller, a squeezing passage is formed by the grinding rollers and the outer surface of the driving dewatering roller, and the upper filter cloth and the lower filter cloth penetrate through the squeezing passage in a transmission manner; the tensioning assembly is connected with the plurality of grinding rollers and applies tensioning force to the plurality of grinding rollers; the high-frequency vibrator is arranged on the tensioning assembly and transmits high-frequency vibration waves to the grinding rollers so that the high-frequency vibration waves can act on the cenobium in the sludge and wall breaking of the cenobium can be achieved. The large-diameter driving dewatering roller is adopted and combined with high-frequency vibration tensioning, the filter cloth has a larger wrap angle and a larger squeezing dewatering area during deep dewatering, cenobium in sludge generates a wall breaking effect under the rolling pressing force of the grinding roller and the high-frequency vibration effect, so that water wrapped in the cenobium is separated out, and the dewatering effect is greatly improved. The dewatering efficiency is high, the structure is simple and the practicability is strong.

The present invention discloses a device for dehydrating C4, and relates to the technical field of chemical raw material processing. The present invention comprises a coalescer body, wherein a dehydrating device is arranged inside the coalescer body, wherein the dehydrating device comprises a fixed cylinder, wherein the fixed cylinder is fixed to the rear side of the inner wall of the coalescer body, wherein a three-pronged round frame is penetrated and clamped on the front side of the fixed cylinder, wherein a plurality of through-hole disks are evenly and equidistantly fixed inside the three-pronged round frame, and two foam filter blocks are fixed on the rear side of the through-hole disks. Through the arrangement of the dehydrating device, the present invention enables the channel formed by the semicircular plate and the through-hole disk to increase the travel path of the C4 gas in the coalescer body, thereby improving the effect of the foam filter block on dehydrating the C4 gas; at the same time, the rotating rod, the sleeve, the abutment rod, the trapezoidal curve rod, and the insertion rod cooperate to drive the semicircular plate to squeeze the foam filter block, thereby squeezing out the water adsorbed in the foam filter block.

The invention relates to a sludge treatment process and device based on flash evaporation, and the device comprises a first-stage flash evaporation system, and also comprises any one of a hydrolysis tank and a second-stage flash evaporation system. According to the method, the sludge is subjected to resourceful treatment in a flash evaporation and pyrohydrolysis and / or secondary flash evaporation mode, cell walls in the sludge can be fully and effectively broken under the low-temperature condition through the flash evaporation technology, moisture and solutes in cells are released, the dewatering performance of the sludge is improved, and the sludge can be recycled. The wall-broken sludge is conveyed to the hydrolysis tank for hydrolysis and / or the second flash evaporation tank for flash evaporation and drying, and the wall-broken sludge is more easily hydrolyzed and / or dried. The problems of high energy consumption, large heat loss and long treatment time in the sludge drying process are solved, and the productivity is greatly improved.

This application discloses a cleaning device for producing car floor mats, relating to the field of automotive maintenance equipment technology. It includes a housing, a cleaning component, a moving and rotating component, and a spin-drying component. The cleaning component is located in a cleaning chamber and is used to clean the floor mats. The moving and rotating component is located inside the housing and is used to drive the spin-drying component. The spin-drying component is connected to one side of a movable base and includes a spin-drying frame and a clamping plate. The spin-drying frame is connected to one side of the movable base and includes a photoresistor and an electromagnet. The clamping plate is hinged to one side of the spin-drying frame, and a torsion spring is provided on the hinge axis between the clamping plate and the spin-drying frame. The torsion spring causes the clamping plate and the spin-drying frame to form an angle. A permanent magnet is provided on the side of the clamping plate near the spin-drying frame. The clamping plate includes a lamp for illuminating the photoresistor. This device enables the floor mats to rotate at high speed along with the spin-drying frame, improving the spin-drying and dehydration effect.

The present invention relates to an industrial sludge conditioner and a production process thereof, and belongs to the technical field of sludge treatment. The industrial sludge conditioner is composed of a main agent and an auxiliary agent, wherein the main agent is the following components: 28-35wt% of starch derivatives, 3.5-5.5wt% of coagulants, 1.5-2wt% of coagulants and 1-1.4wt% of dispersants, the balance is water, and the auxiliary agent is a hydrogen peroxide solution; the starch derivative is modified by introducing active amino groups into starch pretreatment with a silane coupling agent KH550, and then quaternizing the grafted amino structure with 1-chloropropanol, and simultaneously introducing polyhydroxyl groups, and finally acetic anhydride reacts with the introduced hydroxyl groups for acetylation treatment, that is, obtaining a starch derivative, which interacts with hydrogen peroxide to play a "break gel-oxidation-reflocculation" role, and has a high-efficiency conditioning effect on sludge.

The utility model discloses a water removal device for a plastic brace. The water removal device comprises a rack and a water removal assembly, the water removal assembly comprises a centrifugal roller, a drying fan and a driving part, the centrifugal roller and the drying fan are sequentially installed on the rack in the material conveying direction, the centrifugal roller can rotate around the axis of the centrifugal roller, the side wall of the centrifugal roller is provided with a fixing position used for fixing materials, the centrifugal roller rotates to drive water on the surfaces of the materials to be centrifuged, and the driving part is arranged on the rack and connected with the centrifugal roller; the centrifugal roller is used for driving the centrifugal roller to rotate around the axis. According to the scheme, water drops adhered to the surfaces of the braces can be removed through the centrifugal rollers, then moisture adsorbed in pores of the braces is removed through the drying fan, multi-stage dehydration is achieved, the moisture on the braces is sequentially removed from outside to inside, the dehydration efficiency is effectively improved, the structure is relatively simple, and the cost is low.