50results about How to "Easy for secondary recycling" patented technology

The antimony-pyrosmelting refining method for removing arsenic and removing selenium includes the following steps: placing crude antimony containing arsenic and selenium into refining furnace, heating and melting them, and heating to 650-1000 deg.C, and once adding alkaline metal hydroxide required for removing arsenic and selenium, then introducing compressed air and stirring for 15-150 min. to implement slagging, arsenic-removing and selenium-removing reaction to produce arseniate and selenite float slag, separating slag and antimony.

The invention discloses a city household rubbish sorting machine. The city household rubbish sorting machine comprises a shell body, the upper portion of the shell body is provided with a material inlet, the lower portion of the shell body is provided with a heavy rubbish outlet and a light rubbish outlet, the material inlet is arranged above the heavy rubbish outlet, two sides of the shell body are provided with shell body sliding grooves, the shell body sliding grooves are provided with sliding plates capable of sliding, a driving shaft and a driven shaft which can rotate in the horizontal plane are parallelly arranged on the sliding plates, the driving shaft and the driven shaft are in transmission connection through gears and of opposite rotating directions, the periphery of the driving shaft is provided with a plurality of chipping grabbing needles in an interlaced manner, the periphery of the driven shaft is provided with a plurality of chipping unloading needles in an interlacedmanner, the side surface of the shell body is provided with a motor which is in transmission connection with the driving shaft, the shell body is provided with connection rods, one ends of the connection rods are hinged to the shell body, and the other ends of the connection rods are in eccentric hinge joint with the driven shaft. The purpose of the invention is to provide the city household rubbish sorting machine, by means of the rubbish sorting machine, paper chippings, plastic bags and the like in city household rubbish can be rapidly sorted out, secondary recovery treatment performed onthe city household rubbish is facilitated, and meanwhile, the sorting machine is small in occupation space and low in cost.

The invention discloses a non-welded power battery module. Each battery module unit comprises a left battery box and a right battery box which are fastened to locate and arrange lithium battery cores therein in a matrix arrangement manner, conductive holes corresponding to positive electrodes and negative electrodes of the lithium battery cores are formed in the bottom of each of the left battery box and the right battery box, electrode plates are separately arranged corresponding to the left battery box and the right battery box, and the left electrode plate and the right electrode plate are fastened to the bottoms of the left battery box and the right battery box respectively; multiple battery module units are superposed into a group and are connected into a fastening body through bolt and nut assemblies which run through the battery module units; electrode contacts, at the positions of the lithium battery cores, on the electrode plates are in elastic contact with lithium battery core electrodes through the corresponding conductive holes; conducting plates are clamped between the electrode plates of the adjacent battery module units and on the left and right outermost electrode plates; and the electrode contacts have enough elasticity to ensure reliable contact with the corresponding electrodes when the fastening body is loosened. The non-welded power battery module has the advantages of being close in electrode contact, convenient and fast to disassemble and assemble, high in production efficiency and low in manufacturing cost.

The invention discloses a teaching chalk dust collecting system, wherein a cavity is formed inside a blackboard eraser, and a plurality of dust absorption holes are formed at the periphery of the blackboard eraser and communicated with the cavity; all blackboard erasers are connected with corresponding chalk dust collection pipes, respectively, the chalk dust collection pipes are communicated with the cavity, an air draft device is arranged in each chalk dust collection pipe, the other ends of all the chalk dust collection pipes are communicated with a chalk dust collection chamber, and water for dissolving the chalk dust is held at the bottom of the chalk dust collection chamber. The chalk dust collection chamber suppresses harm on the environment due to the chalk dust flying everywhere, reduces the harm of the chalk dust to the health of teachers and students, and is advantageous for creating an excellent teaching environment. Most part of chalk dust can be absorbed in the chalk dust collection chamber by virtue of the chalk dust collection pipes and the air draft devices, and therefore, secondary recovery and reutilization of the chalk dust can be realized, and waste is turned into wealth.

The invention relates to the technical field of cleaning devices, in particular to a surface cement cleaning device for indoor wall half-waist tiling equipment, which comprises a bottom plate, rollers, a device main body, a motor and a handrail, a cleaning mechanism is arranged in the device main body, the cleaning mechanism comprises a cavity, and the cavity is formed in the device main body, and a second fixing rod is fixedly installed in the sliding plate, a second sliding groove is formed in the second fixing rod, a second sliding block is slidably connected into the second sliding groove, a first spring is arranged in the first sleeve plate, and the rear end of the first spring is welded to the inner wall of the first sleeve plate. The problems that during scraping, cement can slide on the ground, material waste is caused, and secondly, an operator needs to bend down to scrape off a wall surface on part of tiles close to the ground, so that the body of the operator can be injured due to waist soreness after the operator works for a long time are effectively prevented.

The invention relates to a secondary aluminum production process. The secondary aluminum production process adopts the following secondary aluminum production device. The secondary aluminum production device includes a base, a moving device and a cleaning device; the base is set on the ground, and a cleaning device is set above the base. The device is installed under the mobile device, and the mobile device is installed on the upper end of the base. The invention cleans the melted regenerated aluminum multiple times to different degrees through the cleaning device, thereby reducing the impurities in the regenerated aluminum and ensuring the quality of the regenerated aluminum; by opening a long circular groove on the ring plate, it is collected and cleaned through the long circular groove The recycled aluminum solution brought out during the operation of the device prevents the recycled aluminum solution from dripping on the ground, so that it is convenient for workers or machines to collect and recycle the recycled aluminum solution.

The invention discloses a spraying room for quick color changing equipment. The spraying room comprises a spraying room body, a ventilation opening, an electrostatic filter layer and an air outlet, wherein a spraying cavity is arranged on the middle position inside the spraying room body; the ventilation opening is formed in one side of the spraying cavity; the air outlet is formed in the other side of the spraying cavity; the filter layer is arranged inside the ventilation opening; a filter element is arranged at the other side inside the air outlet; and a fan is arranged at the other side inside the air outlet. The spraying room realizes cleaning for powder inside the spraying cavity through an electric telescopic pole and a brush; the spraying cavity communicates with a powder recyclingcavity through a powder leaking slot, so that powder conveniently enters the powder recycling cavity for being recycled and utilized for a second time; an electrostatic filter layer can adsorb lightparticles, namely dust, in powder, so that dust impurities are prevented from being mixed into the powder to affect spraying quality; and secondary screening processing does not need to manually perform, so that the spraying room is simple in structure and is reasonable in design.

The invention discloses a pollution-free farm and a feces treatment method. The farm comprises two layers of stereoscopic steel structure steel frame, at least one layer of steel frame body is provided with feces dropping boards, and each feces dropping board is provided with two clamping plates which are spaced for a certain distance and arranged in parallel, wherein multiple wood bars are arranged between the two clamping plates, and the spaced distance between every two adjacent wood bars is 30-50 mm; the lower ends of the feces dropping boards are provided with feces receiving board grooves which are connected with pipelines leading to a feces pit. Accordingly, animal feces cannot be directly discharged to the ground, and the farm is cleaner, more sanitary and free of pollution.

The invention provides waste residue filtering equipment for sewage treatment, and relates to the technical field of sewage treatment. The waste residue filtering equipment for sewage treatment comprises a box body, a cover plate is arranged at the upper end of the box body, a second through opening is formed in the left side of the middle of the upper end of the cover plate in a penetrating mode, supporting rods are fixedly connected to the left side of the upper end of the cover plate and correspond to the periphery of the second through opening, and a supporting plate is fixedly connected to the upper ends of the supporting rods; first electric push rods are arranged on the periphery of the lower end of the supporting plate, a first sealing plate is fixedly connected to the lower ends of the first electric push rods relative to the second through opening, a motor is arranged in the middle of the first sealing plate in a penetrating mode, a motor shaft extends from the lower end of the motor, and a rotating rod is fixedly connected to the lower end of the motor shaft; and a first storage frame is fixedly connected to the outer surface of the rotating rod and located in the box body, and a first filter screen is arranged in the middle of the first storage frame. The waste residues in the sewage can be effectively and efficiently filtered out.

The invention discloses a preparation method of a novel antistatic material. According to the antistatic material provided by the invention, part of imported materials are replaced with domestic raw materials, so that the cost of a product is greatly reduced; compared with an existing antistatic material, the performance of the product is improved through reinforcing and toughening modification. The formula comprises the following components: 20 to 30 parts of polyphenyl ether, 20 to 30 parts of nylon 6, 0 to 5 parts of a toughening agent, 0 to 5 parts of a compatilizer, 10 to 30 parts of glass fibers, 10 to 20 parts of carbon nanotube master batch, 0 to 0.5 part of an antioxidant and 0 to 0.5 part of a lubricant. The preparation method comprises the following steps: weighing each component according to the components of the formula for later use; adding other raw materials except the glass fibers into a mixing machine; after drying and stirring for 2 to 3H at 140 DEG C, discharging the materials into a turnover box for later use; setting the temperature of production equipment to 260 to 290 DEG C; melting and blending, extruding, drawing and dicing the stirred raw materials through a double-screw extruder to obtain a product.

The invention discloses a PP (Polypropylene) high efficiency concentrated flame retardant masterbatch. The PP high efficiency concentrated flame retardant masterbatch is prepared from the following components in percentage by mass: 20 to 40 percent of PP particles, 0.5 to 1 percent of a coupling agent, 15 to 30 percent of hypophosphite, 10 to 20 percent of bromine and 15 to 25 percent of ultrafine talcum powder. By adopting the mode, the PP high efficiency concentrated flame retardant masterbatch disclosed by the invention has the characteristics of high efficiency, flame-retardant property, environment friendliness, low cost and the like; in addition, the PP high efficiency concentrated flame retardant masterbatch has the advantages of simplicity in use, high processing stability and facilitation for secondary recycling; besides, the produced product has high coloring rate, no separation-out and light specific gravity; all the components completely meet the requirements of EU ROHS standards and reach the fireproofing requirements of UL94-V2.

The invention relates to the field of air-drop packaging boxes, in particular to an expandable inflatable membrane structure air-drop device and an operation method thereof. The device comprises an outer airbag type expandable inflatable membrane structure box body, an inner airbag type expandable inflatable membrane structure box body, an outer cable rod framework, an inner cable rod framework and an elastic limiting mechanism. The outer cable rod framework is installed on the edge portion of the outer airbag type expandable inflatable membrane structure box body and connected with the outer airbag type expandable inflatable membrane structure box body. According to the expandable inflatable membrane structure air-drop device, multiple energy dissipation mechanisms of landing impact of an air-drop bag are achieved, and the air delivery time and space of materials are saved through quick inflation and assembly; and the problems that the parachute air-drop hit rate is poor and the landing time is long are solved, the device is suitable for delivering solid and liquid substances in different shapes, work is efficient, the structure is reasonable, cost is low, and industrialization is easy.

The invention discloses a preparation method of a composite-structure under-oil super-hydrophilic chitosan aerogel and application thereof. The preparation method comprises the following steps: 1, utilizing an ice template method to prepare three-dimensional network-like chitosan aerogel; 2, completely immersing the three-dimensional network-like chitosan aerogel prepared in step 1 into water, and controlling the immersion time in a range of 0.5-5s and the thickness of an exterior hydrogel layer in a range of 0.5-4mm, thereby obtaining a composite-structure chitosan with the chitosan hydrogel as the outer layer and the chitosan aerogel as the inner layer; 3, applying the chitosan aerogel to under-oil water absorption: applying the composite-structure chitosan prepared in step 2 to under-oil water absorption. The invention solves limits of high pollution, high cost, a requirement of large instruments and the like in the existing oil-water separation product preparation method. According to the preparation method of the composite-structure under-oil super-hydrophilic chitosan aerogel and the application thereof, the ice template method is utilized to prepare the under-oil super-hydrophilic chitosan aerogel, the aperture of each of three-dimensional multiple holes of the chitosan aerogel is 20-30 microns, the adsorption capacity is up to 40-150 g / g, and the test separation efficiency can reach 99.5% or above.

The invention discloses a combustion device convenient for treating burning objects. The combustion device comprises a rubbish tank, a combustion stove and a dust removal system, wherein the rubbish tank comprises a first rubbish tank and a second rubbish tank, and a material separating device is arranged between the first rubbish tank and the second rubbish tank; the material separating device comprises an automatic sorting machine, a bag breaking machine, a vibrating grating machine and a magnetic separator which are connected sequentially; a dust removal device comprises a dust remover and a chimney, and the dust remover comprises a spiral dust remover and / or an electric dust remover. According to the combustion device convenient for treating burning objects, the material separation effect is good, the fume treatment effect is good, and rubbish is combusted completely.

The invention belongs to the technical field of color printing and spray painting, and particularly relates to a color printing and spray painting structure and garment cloth dyeing equipment. The following scheme is put forward currently, the color printing and spray painting structure comprises a color printing and spray painting box, a material collecting box is arranged on one side of the color printing and spray painting box, the interior of the material collecting box is in a leaking groove shape, and a falling plate is fixedly connected to the inner wall of one side of the material collecting box. The angles of the material collecting box and a spraying seat are adjusted through stretching and retracting of an electric telescopic rod, and the extending distance of the spraying seatis adjusted through an electric sliding rail, so that the optimal color printing and spray painting effect is achieved; in the color printing and spray painting process, the interior of the material collecting box is in the leaking groove shape, falling pigment can be collected to the maximum degree, the situation that the pigment falls to the exterior of the device and cannot be collected is avoided, flowing of the pigment can be accelerated through the falling plate, and the falling recycling efficiency of the pigment is improved; and the collected fallen pigment is quickly conveyed into a recycling box through a discharging pipe on the lower portion of the material collecting box, secondary recycling of the pigment is facilitated, and waste of the pigment is avoided.

The invention discloses a preparation method of a novel electroconductive antistatic material. Carbon fiber is used to replace electroconductive carbon black, and performance of existing electroconductive antistatic materials is improved through enhancing, toughening and modifying. The novel electroconductive antistatic material is prepared from 50-70 parts of polyphenyl ether, 15-30 parts of polystyrene, 3-8 parts of toughener, 10-15 parts of carbon fiber, 0-0.5 part of antioxidant and 0-0.5 part of lubricant. The preparation method includes: weighing the components according to the formula for standby use; putting other raw materials except for the carbon fiber into a blender; after well stirring, discharging into a transfer box for standby use; setting temperature of production equipment to 280-310 DEG C, and subjecting well-stirred raw materials to fusion blending, extrusion, stretching and dicing through a double-screw extruder. The electroconductive antistatic material prepared according to the formula and the process is good in electroconductive performance, high in product strength, toughness and thermal deformation temperature and good in processing performance, productionefficiency is improved, and environment pollution is reduced.

The invention relates to the technical field of workpiece cutting, in particular to hub and barrel-shaped workpiece edge cutting equipment and a processing method. The cutting equipment comprises a control unit as well as a conveying unit, a positioning unit, a clamping rotating unit and a cutting unit, wherein the positioning unit is provided with a closed state and an open state; when the positioning unit is in the closed state, a workpiece is clamped until the center of the workpiece is coaxial with a rotation center of the clamping rotating unit; when the positioning unit is in the open state, a movable space is formed in the positioning unit; when the control unit is configured to ascend to the cutting position and cut the workpiece when the positioning unit is switched to the open state. The positioning unit in the embodiment of the invention is closed to clamp the workpiece, and is opened; the cutting unit ascends to the cutting position and is matched with the clamping rotating unit for directly cutting the workpiece, so that processing efficiency is not affected by processing margin, and processing efficiency is obviously improved; and cutting liquid is not used in a processing process, so that environmental pollution is not easily caused.

The invention discloses a classified recycling device for electrical equipment connecting wires. The classified recycling device comprises a recycling shell, wherein a heating cavity with an upward opening is formed in the recycling shell; a cover plate rotationally mounted in the upper end face of the recycling shell is arranged at the upward opening of the heating cavity; the upward opening of the heating cavity is closed by the cover plate; and the lower end wall of the heating cavity is an inclined face. According to the classified recycling device, a large number of electrical equipment connecting wires mixed together can be subjected to rapid metal recycling, copper wires and aluminum wires in the copper electrical equipment connecting wires and the aluminum electrical equipment connecting wires are stored in a separated manner, and therefore subsequent secondary recycling is facilitated, and the situation that due to the fact that copper and aluminum are mixed together, a largeamount of time needs to be spent for sorting is avoided.

The invention discloses a cleaning device for costume processing waste. The cleaning device comprises a main body; a control panel is arranged at the position, close to the middle, of the front end ofthe main body; a conveying belt is arranged at the positions, close to the lower end, of the front end and the rear end of the main body in a penetrating mode; a table board is arranged at the lowerend of the main body; column legs are fixedly connected with the upper end, located at the right front position, of the table board; an anti-skid pad is fixedly connected with the lower ends of the column legs; a second slope is connected with the position, close to the rear end, of the table board; a first slope is fixedly connected with the right end of the second slope; a sliding groove is formed in the inner side wall of the upper end of the main body; a sliding pipe is movably connected with the inner side wall, close to the middle position, of the upper end of the main body; a suction cup is arranged at the lower end of the sliding pipe; and a telescopic rod is connected with the right end, close to the middle, of the sliding pipe. The cleaning device for the costume processing wasteis time-saving and labor-saving, a waste storage bin is tightly matched with the main body, flying dust and chippings do not fly out, a retaining ring is opened to take down a pouring box when pouring is needed, and storage and cleaning are convenient.

The invention discloses a high-efficiency polishing machine for copper rods, relates to the technical field of polishing machines, and specifically relates to a high-efficiency polishing machine for copper rods, which includes a support base plate, a fixed frame is arranged on the support base plate, and a dirt storage device is arranged in the fixed frame The inside of the dirt storage tank is provided with a horizontal filter screen, one side of the dirt storage tank is connected with an auxiliary cleaning mechanism, a column is installed above the fixed frame, and the inside of the column is equipped with an auxiliary polishing Mechanism, the upper and lower sides of the inner wall of the cylinder are provided with positioning notches. The present invention is equipped with an auxiliary cleaning mechanism, and the water pump can effectively guide the water flow into the inside of the ring pipe through the guide tube and the hose, and spray it out through the nozzle, so that the water flow can effectively provide cleaning treatment for the copper rod body, reducing the cost of the copper rod body. Impurities adsorbed on the surface, and the uniform distribution of the nozzles can effectively enhance the area of ​​the water flow acting on the copper rod body, thereby effectively improving the cleaning effect of the copper rod body.

The invention provides a foamable material for supporting a packaging structure and a preparation method of the foamable material. The foamable material comprises a matrix emulsion taking a water-based high-molecular polymer as a main component and a foaming agent capable of being heated to foam. The foam material is prepared from the following components in parts by weight: 80 to 120 parts of matrix emulsion and 3 to 30 parts of foaming agent, wherein the glass transition temperature of the dried matrix emulsion does not exceed 40 DEG C, and the foaming temperature of the foaming agent is 80-200 DEG C. According to the invention, the ratio of the matrix emulsion to the foaming agent and the limitation and comprehensive action of the glass transition temperature and the foaming temperature on the matrix emulsion and the foaming agent enable the product to have good elasticity, extensibility and flexibility. Meanwhile, the density of colloid formed after the foamable material is foamed is smaller than that of a dissolving solution, the density of paper pulp is larger than that of the dissolving solution, layering of the two substances in the dissolving solution is caused, and secondary recycling is facilitated. In addition, the foamable material disclosed by the invention is good in degradability and has an environment-friendly value.

The antimony-pyrosmelting refining method for removing arsenic and removing selenium includes the following steps: placing crude antimony containing arsenic and selenium into refining furnace, heating and melting them, and heating to 650-1000 deg.C, and once adding alkaline metal hydroxide required for removing arsenic and selenium, then introducing compressed air and stirring for 15-150 min. to implement slagging, arsenic-removing and selenium-removing reaction to produce arseniate and selenite float slag, separating slag and antimony.

The invention discloses a grading and filtering device for collecting and retaining rainwater in cities, which comprises a casing, and a water inlet is opened on the top of the casing, an inclined water retaining wing is arranged on the top of the casing, and a guide is fixedly arranged inside the casing. A water plate and two water baffles, and the two water baffles are symmetrically located on both sides of the water guide plate, and the middle part of the water guide plate is equipped with an impurity removal mechanism, and the impurity removal mechanism includes a rotating connection with the side wall of the housing support plate. The present invention can classify and filter the collected rainwater, concentrate the larger impurities in the rainwater in the impurity removal area, and concentrate the small impurities such as sediment in the sand collection area, so as to facilitate the cleaning and secondary recycling of impurities, and at the same time The more dirty rainwater flows out from the sewage outlet, and the rainwater with less impurities flows out from the drain outlet, which can realize the reuse of water resources, and the equipment requires very little electric energy during operation, which has the advantages of green energy saving.

The invention discloses urban collected rainwater classification filtering equipment. The equipment comprises a shell, a water inlet is formed in the top of the shell, an inclined water retaining wing is arranged at the top of the shell, a water guide plate and two water retaining plates are fixedly arranged in the shell, the two water retaining plates are symmetrically located on the two sides of the water guide plate, an impurity removal mechanism is installed in the middle of the water guide plate and comprises a supporting plate rotationally connected with the side wall of the shell. According to the invention, the collected rainwater can be filtered in a graded manner, large impurities in the rainwater are concentrated in the impurity removal area, small impurities such as silt are concentrated in the sand collection area, the impurities can be conveniently cleaned and secondarily recycled, meanwhile, dirty rainwater flows out from the drain outlet, rainwater with few impurities flows out from the water outlet, so that the equipment can realize recycling of water resources, needs little electric energy during working, and has the advantages of being green and energy-saving.

The invention relates to a double-cone diameter-changing screw-pitch-changing pin type latex thickener. The latex thickener comprises a machine frame (6), a driving device (25), an outer cylinder and a diameter-changing screw-pitch-changing multi-headed screw rod (14). The driving device (25) and the outer cylinder are fixed on the machine frame (6), the multi-headed screw rod (14) is arranged in the outer cylinder, and the driving device (25) drives the multi-headed screw rod (14) to rotate. The outer cylinder comprises a material feeding section outer cylinder (15), a pressure making section outer cylinder (12) and a dehydration section outer cylinder (10). Two ends of the pressure making section outer cylinder (12) are respectively sealedly connected to the material feeding section outer cylinder (15) and the dehydration section outer cylinder (10). The inner holes of the material feeding section outer cylinder (15) and the dehydration section outer cylinder (10) are cone-shaped holes whose diameters decrease. The diameter and screw-pitch of the multi-headed screw rod (14) provided in the material feeding section outer cylinder (15) and the dehydration section outer cylinder (10) decrease little by little. The double-cone diameter-changing screw-pitch-changing pin type latex thickener has a compact structure and high work efficiency, can realize self-material-feeding, no material feeding-back and continuous material feeding, and the materials produced contain little water.

The invention relates to the technical field of roadway support, in particular to a gob-side entry confined concrete supporting side protection system, comprising confined concrete supporting columns,longitudinal connecting devices and lateral side protection devices. Each confined concrete supporting column is provided with an automatic lifting device at the bottom end. The top end of each confined concrete supporting column is used for supporting the top of a roadway. Each automatic lifting device is used for adjusting the distance between the top end face of the corresponding confined concrete supporting column and the top of the roadway. The plurality of longitudinal connecting devices are mounted between the adjacent confined concrete supporting columns. The longitudinal connecting devices have set gaps therein. The lateral side protection devices are mounted in the set gaps. Two vertical ends of the lateral side protection devices are connected respectively with the confined concrete supporting columns. The gob-side entry confined concrete supporting side protection system of the invention conforms to the characteristics of being detachable recycling and reuse, can reduce the construction cost and improve the construction efficiency.

The invention discloses an assembly line waste cloth collecting and conveying device, and relates to the technical field of assembly line production. The device comprises a bottom plate, side plates are symmetrically and fixedly arranged on the front side and the rear side of the upper surface of the bottom plate correspondingly, rollers are evenly and fixedly arranged between the side plates, therollers are sleeved with a conveying belt, collection boxes are evenly arranged on the conveying belt through fixed blocks, a compression box is arranged on the left side of the bottom plate, a feeding opening is formed in the right side of the upper surface of the compression box, the left side face of the compression box is fixedly provided with a hydraulic telescopic rod, a compression plate is fixedly connected to a piston rod of the hydraulic telescopic rod, and the compression plate is located on the right side in the compression box. Through the collection boxes on the conveying belt,waste cloth can be conveniently collected, work environment is ensured, collection efficiency is improved, the waste cloth is compressed through the compression plate in the compression box, occupiedspace is reduced, and the waste cloth can be conveniently transported and recycled.

The invention discloses an efficient evaporation and filtration process method for kitchen high-concentration wastewater. Specifically, a cooking tower, a first pH adjustment tank, a flocculation tank, a first solid-liquid separation tank, a second pH adjustment tank and a second solid-liquid separation tank are disposed to carry out sterilization, impurity removal and pH adjustment treatment on the wastewater, so that the treated wastewater is in a few-impurity and pH-value neutral state, the wastewater passes through a first fractionating tower and a second fractionating tower, wastewater isdistilled through the first fractionating tower to be concentrated, the second fractionating tower distills the concentrated wastewater, so that water and grease in the wastewater are completely separated, wastewater treatment is completed, and the distill water obtained through distillation can be used as flushing water, water sources are saved, and distilled grease is convenient to collect; secondary recycling in a later period is facilitated, a first distillation tower and a second distillation tower can be prevented from being blocked by impurities or corroded by the wastewater due to low-impurity wastewater with a neutral pH value, so that the service life of the first distillation tower and the second distillation tower is prolonged, the distillation effect of the first distillationtower and the second distillation tower is improved, and the distillation effect and the distillation efficiency of the wastewater are improved.

The invention relates to the technical field of cleaning devices, in particular to a surface cement cleaning device for tiling equipment at the half waist of an indoor wall, comprising a bottom plate, rollers, a device main body, a motor and handrails. A cleaning mechanism is provided inside the device main body, and the cleaning mechanism is The mechanism includes a chamber, a chamber is opened inside the main body of the device, a second fixed rod is fixedly installed inside the slide plate, and a second chute is opened inside the second fixed rod, and a second chute is slidably connected to the inside of the second chute. For the second slider, a first spring is arranged inside the first set plate, and the rear end of the first spring is welded to the inner wall of the first set plate. The invention effectively prevents the cement from slipping on the ground while scraping, resulting in waste of materials. Secondly, some tiles near the ground require the operator to bend over to scrape the wall, which makes the construction personnel work for a long time. It may cause the back pain of the construction workers and cause damage to the body.