46results about How to "Congeal fast" patented technology

The invention discloses welding equipment and method for a water cooling plate, and belongs to the field of water cooling plate welding. Welding equipment for a water cooling plate comprises a base and a housing, a first air cylinder is fixedly connected to the base, the housing is fixed to the top of the telescopic end of the first air cylinder, directional guide rods are fixedly connected to the two sides of the base, the housing is connected to the directional guide rods in a sleeving mode to slide, a second air cylinder is fixedly connected to the top of the housing, and the second air cylinder is fixedly connected to the top of the housing. The device further comprises a cleaning assembly and a welding assembly. Through the repulsion effect of a third magnetic plate and a piston plate and the cooperation of arrangement of a nitrogen molecule filtering membrane, nitrogen is continuously filled into a gas storage ring, and in the welding process, the repulsion effect of a second magnetic plate and a sealing plate is utilized, so that the nitrogen is discharged to a welding seam along a blowing pipe, a brazing fluid better permeates into the welding seam, and the welding quality is improved. And meanwhile, the gas flowing speed at the weld joint is increased, so that the brazing fluid is quickly condensed, and the welding efficiency and quality are effectively improved.

The invention belongs to the technical field of geotechnical engineering, and particularly relates to a nanocarbon reinforced superfine cement-based blocking material as well as a preparation method and application thereof. The superfine cement-based blocking material prepared by the invention is prepared by uniformly mixing 45-50 parts of cement, 0.5-2.5 parts of a solid waste sintered active material, 0-0.05 part of a water reducing agent, 0.015-0.1 part of carbon nanotubes, 0.5-2.5 parts of a 1% solution of carbon quantum dots and 45-50 parts of water. The material has relatively low porosity and is not dispersed; the high groutability is achieved, and the material can permeate into tiny holes; and it is guaranteed that the material has high strength, the crushed rock bonding and reinforcing strength is high, and the material has wide application prospects.

The invention relates to the technical field of gas separation, and particularly discloses a waste gas treatment device which comprises a shell, a gas inlet and a gas outlet are formed in the shell, a condensing part and a filtering part are arranged in the shell and are both in a conical barrel shape, and a gap is formed between the condensing part and the filtering part; a plurality of condensation plates are evenly arranged in the condensation part in the circumferential direction, the high ends and the low ends of every two condensation plates arranged at intervals are located on the same bus of the condensation part, a storage cavity is detachably formed in the small end of the condensation part, and a plurality of flow guide assemblies are arranged on the condensation part. A plurality of filtering units are arranged on the side wall of the filtering part, a cleaning assembly is further arranged on the filtering part and comprises a connecting part, a movable part and a cleaning part, the connecting part is fixed to the filtering part, a connecting groove is formed in the connecting part, the movable part and the cleaning part are both in sliding fit with the connecting groove, and the cleaning part is in sliding fit with the plate face of the condensation plate. The treatment device provided by the invention improves the separation effect of water vapor in the anesthetic waste gas.

The invention relates to a tunnel construction material and a detection technology, and particularly discloses a rapid-hardening high-strength cement anchoring agent and a strength testing method thereof, the rapid-hardening high-strength cement anchoring agent comprises 50%-70% of sulphoaluminate cement, 10%-20% of silica fume, 10%-20% of desulfurized gypsum, 3%-10% of an expanding agent, 0.05%-0.3% of a composite retarder, 0.01%-0.1% of an early strength agent and 0.02%-0.1% of a defoaming agent. The strength test method is a piezoelectric impedance detection method based on a lead zirconium titanate transducer, the sensor embedded with the anchoring agent in advance is used for generating harmonic excitation and receiving piezoelectric signals, the piezoelectric signals are analyzed by a neural network, and the strength of the anchoring agent is obtained. The invention provides a high-performance anchoring agent and a solution for accurately monitoring the strength of the high-performance anchoring agent by combining an innovative quick-hardening high-strength cement anchoring agent and an advanced piezoelectric impedance testing technology. And non-destructive and real-time intensity change process monitoring is realized, and the comprehensive requirements of modern engineering on speed, intensity and environmental friendliness are met.

The invention discloses high-compactness low-resilience shotcrete and a preparation method thereof, and relates to the field of shotcrete, the preparation method comprises the following steps: (1) respectively stacking a cementing material, a fine aggregate and a coarse aggregate by adopting an MAA model to obtain a design ratio of each internal raw material; and (2) fully mixing the cementing material, the fine aggregate, the coarse aggregate and the elasticity reducing agent which are obtained according to the design ratio in the step (1), adding water and a water reducing agent for mixing, and doping an accelerator in a manner of mixing with pressurized air to obtain the high-compactness low-resilience sprayed concrete. The early-strength elasticity reducing agent is adopted, pumpability of the sprayed concrete is improved, early hydration of the concrete is accelerated, under the combined action of the early-strength elasticity reducing agent and the alkali-free accelerator, the early mechanical property of the sprayed concrete is rapidly improved, and the construction efficiency of the sprayed concrete is improved. And by adopting multi-section close packing, close filling structures are respectively formed in the cementing material, the fine aggregate and the coarse aggregate, so that the plastic viscosity of the slurry and the compactness of the concrete are effectively improved.

The invention relates to a method and a system for integrally removing greenhouse gas and particulate matters in ship tail gas based on an alkaline adsorption technology. The method comprises the following steps: firstly, cooling the ship tail gas until water vapor is in a supersaturated state; spraying and mixing with an alkaline solution, and removing dust and particulate matters from the obtained gas phase; mixing the obtained liquid phase with an alkaline reagent, and filtering to obtain a solution in which the greenhouse gas is dissolved; the system comprises a heat exchanger, a decarbonization tower, dust removal equipment and a precipitation cabinet, the heat exchanger is connected with a ship tail gas exhaust pipe and used for cooling ship tail gas till steam is in a supersaturated state. The decarburization tower is used for spraying and mixing the cooled ship tail gas and an alkaline solution to obtain a gas phase and a liquid phase; the dust removal equipment is communicated with a gas phase outlet of the decarbonization tower and is used for removing particulate matters in a gas phase; and the precipitation cabinet is communicated with a liquid phase outlet of the decarbonization tower. Compared with the prior art, greenhouse gas and particulate matters, especially ultrafine particulate matters, in the tail gas of the marine diesel engine can be removed at the same time.

The invention belongs to the technical field of orthopedic surgery, and particularly relates to an orthopedic screw placement device for improving the stability of a pedicle screw, the orthopedic screw placement device comprises a fixing assembly and a separable shock absorption assembly mounted on the fixing assembly, and the fixing assembly and the shock absorption assembly are connected with a positioning assembly and a propelling assembly respectively; the positioning assembly comprises a positioning ring and a fixing ring, the angle adjusting assembly is rotationally installed in the fixing ring and comprises a ball head and a guide groove, the guide groove is formed in the ball head, the connecting plate is fixedly installed on the ball head, the propelling assembly is installed on the connecting plate and comprises a connector, the connector is connected with the implanting nail, and the implanting nail penetrates through the guide groove. During use, the positions of the positioning assembly and the propelling assembly are adjusted through the fixing assembly and the shock absorption assembly, so that the positioning ring presses the skin of an affected part of a patient, the positioning ring can position the affected part of the patient during an operation, the affected part is not prone to being covered by blood, and the positioning ring can slow down blood loss of the affected part and accelerate blood coagulation by pressing the skin.

The present invention discloses a packaging manufacturing device for multi-chip integrated circuits, including a working turntable, the bottom end of the working turntable is rotatably connected to a working plate, the center position of the top surface of the working plate is fixedly connected to a motor, the output end of the motor is fixedly connected to the working turntable, and the top surface of the working plate is fixedly connected to a first conveyor belt, a multi-station conveyor belt, a glue filling machine, a second conveyor belt, a packaging mechanism and a manual inspection table in a counterclockwise direction around the outer position of the working turntable. The present invention slides the sliding ring downward, so that the sliding ring drives the first heating rack and the second heating rack to move downward. The rotating ring and the threaded outer thread are threadedly connected, so that when the sliding ring and the rotating ring slide down for the last short distance, the sliding ring slides down and remains without rotating, and the cleaning shovel on the slide rail rotates around the trajectory of the first heating rack, so that the thermosetting glue overflowing from the circuit bottom plate and the circuit top plate can be removed and cleaned.

This invention discloses a synchronous grouting material for high-water-pressure ultra-large shield tunnels and its preparation method, belonging to the technical field of cement-based materials. The synchronous grouting material for high-water-pressure ultra-large shield tunnels consists of two components, A and B. Component A is cement slurry, including cement, bentonite, highly active mineral admixtures, viscosity modifiers, stabilizers, and water; component B is a water glass solution. The volume ratio of component A to component B is 10–13:1. The synchronous grouting material of this invention has good water dispersibility, slow gel time, fast setting time, and high water erosion resistance. The gel time and setting time of the slurry are controllable and adjustable, avoiding slurry blockage and quickly and effectively filling the gap between the tunnel segments and the surrounding soil. Simultaneously, the slurry exhibits good cohesion in water-rich environments and is not prone to segregation and dispersion, meeting the performance requirements of synchronous grouting materials for high-water-pressure, ultra-large-diameter shield tunnels.

The present application relates to n-propyl acetate preparation technical field, specifically disclose a kind of n-propyl acetate slow type ink diluent preparation device, including fractionation mechanism, fractionation mechanism includes base support, fractionation mechanism is equipped with fractionation cylinder and water collecting cylinder on base support, condenser is fixedly connected between fractionation cylinder and water collecting cylinder, the top of fractionation cylinder is equipped with steam collection component, steam collection component includes protective cover and the moisture absorbing element in its interior.The n-propyl acetate slow type ink diluent preparation device provided by the present application evaporates water into water vapor by heating mechanism, water vapor is absorbed by moisture absorbing element during ascending, after moisture absorbing element captures a large amount of water vapor, water vapor contacts each other and starts to condense into water droplets quickly, then the part of moisture absorbing element that has absorbed a large amount of water vapor rotates to the top of water collecting cylinder, is extruded by extrusion plate, and water is extruded out, the water produced falls on water collecting cylinder, so that the rapid collection of water vapor is realized, and the recondensation of water vapor in the fractionation cylinder and the re-falling of water on the mixed solution are effectively avoided.

The utility model relates to the technical field of copper material processing, in particular to an oxygen-free copper melt dreg collecting mechanism which comprises a moving mechanism, a lifting part is arranged at the output end of the moving mechanism, the lifting part can ascend and descend, the lifting part is rotationally connected with a rotating shaft, the rotating shaft can rotate, the rotating shaft is vertically arranged, and the rotating shaft is connected with a rotating shaft. A stirring rod is arranged at the bottom end of the rotating shaft, the position of the stirring rod can be adjusted relative to the radial direction of the rotating shaft, and the stirring rod is vertically arranged; the stirring device is simple in structure, the stirring machine can be adjusted according to the copper liquid opening, stirring machines of various models are not needed for adaptation, and the use cost is reduced.

The utility model discloses a large-size block double-face high-precision leveling device which comprises a frame body, rails installed on the two opposite sides of the frame body, a roller shaft arranged in the frame body, and a floating rule fixedly arranged at the bottom of the roller shaft, the two ends of the roller shaft are in sliding fit with the rails, and adjusting bolts vertically penetrating through the frame body are arranged at the four corners of the frame body. The adjusting bolt is in threaded fit with the frame body; an infrared emitter is mounted on one side, corresponding to the two ends of the track, of the frame body; rollers are arranged at the two ends of the roller shaft respectively, the rollers are arranged in a track in a rolling mode, a track groove is formed in the track in the length direction of the track, and the rollers are arranged in the track groove in a rolling mode. The height and the thickness of the adhesive are adjusted through the fine adjustment bolts, the reference is corrected through infrared rays, the construction efficiency is high, and the problems of repeated adjustment and low efficiency are solved.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

This invention relates to the field of end-tidal carbon dioxide monitoring technology, and discloses a device for end-tidal carbon dioxide monitoring during endoscopic examination, comprising: an endoscope, a monitoring unit, and a sputum removal unit. The endoscope includes a base cover, an oropharyngeal tube, a flexible arc-shaped larynx, and an airway inlet tube. The monitoring unit includes a four-way tube and a one-way breathing head. The sputum removal unit includes a mounting frame and a coarse filter tube, a heating tube, a condenser tube, and a fine filter tube mounted on the mounting frame, as well as a temperature control component for adjusting the temperature of the coarse filter tube, the heating tube, the condenser tube, and the fine filter tube, and a drive component for driving the water circulation constructed by the coarse filter tube, the heating tube, the condenser tube, the fine filter tube, and the temperature control component. This invention can deliver a continuous high-flow oxygen supply directly to the patient's larynx from the outside. The combination of these two methods can effectively reduce the risk of hypoxemia during endoscopic examination, and can ensure that the air entering the external monitoring device is clean, avoiding the influence of water vapor and secretions on the monitoring results and preventing secretions from clogging the sampling tube.

The utility model discloses a constant-humidity low-voltage power distribution cabinet, a dehumidification module comprises a plurality of dehumidification boxes which are connected in series through connecting pipes, the dehumidification boxes are connected with the narrow-mouth section of a Venturi tube through electromagnetic valves, the wide-mouth section of the Venturi tube is fixedly connected with a heat dissipation box arranged in the power distribution cabinet, the outer wall of the power distribution cabinet is provided with a fan communicated with the heat dissipation box, and the fan is connected with the heat dissipation box through electromagnetic valves. A humidity sensor is installed at the bottom of an inner cavity of the dehumidification box, and when the humidity sensor monitors that the dehumidification module does not work and the humidity in the dehumidification box exceeds the standard, the electromagnetic valve is controlled to be opened to communicate with the dehumidification box and the Venturi tube. Moisture in the dehumidification box is pumped out through the airflow action of the fan, the airflow speed is increased through the action of the Venturi tube, condensation of moisture in air is accelerated, water drops condensed on the inner wall of the Venturi tube slide into the heat dissipation box along the inner wall of the Venturi tube, and the dehumidification efficiency of the dehumidification box is greatly improved. And the service life of the dehumidifying agent in the dehumidifying box is greatly prolonged.

The present invention discloses a viscose rolling device for cardboard production, comprising a base, a platform 1 and a platform 2 are fixedly installed on the top of the base through a connecting rod, a channel is formed between the platform 1 and the platform 2, a push plate is passed through the inside of the channel, and a vertical plate is fixedly installed on the top of the push plate, a top seat is fixedly installed on the top of the platform 1 and the platform 2 through a connecting rod, and an air distribution bin is slidably matched with the inner surface wall of the connecting rod, and a connecting plate 1 and a connecting plate 2 are fixedly installed on the inner surface wall of the rear end surface of the base. In the present application, the linkage between the air distribution bin and the push plate can realize the rolling of the cardboard for a specified number of times and time, and the air distribution bin contacts the cardboard located on the top of the platform 1 and the platform 2 from the top downward, and the integrated air distribution bin can avoid uneven force on the cardboard, ensure the uniformity of rolling at each position of the cardboard, replace the traditional method of multiple groups of rolling rollers, and ensure the applicability of the viscose rolling device for cardboard production.

The invention relates to the technical field of engineering equipment, and provides a double-fluid rotary jet grouting drill rod and a double-fluid rotary jet grouting construction method. The double-liquid rotary jet grouting drill rod comprises a drill rod body, a quick-setting material nozzle and a slurry material nozzle. The drill rod body is rotationally connected with the rotary spraying drilling machine, and the drill rod body can rotate along the central axis of the drill rod body; the quick-setting material nozzle is mounted on the circumferential side wall of the drill rod body and is used for spraying a quick-setting material to a pile boundary; the slurry material nozzle is installed on the circumferential side wall of the drill rod body, the slurry material nozzle is used for spraying slurry materials to the pile boundary, and in the axial direction of the drill rod body, the slurry material nozzle is located on the side, away from the rotary spraying drilling machine, of the rapid hardening materials; and the spraying path of the rapid hardening material nozzle and the spraying path of the slurry material nozzle intersect at the pile boundary. According to the double-liquid rotary jet grouting drill rod provided by the embodiment of the invention, rapid condensation can be realized, grout runout is reduced, and the problem of non-uniform grouting is solved.

The utility model discloses a gear box with prevent spilling oil ventilation structure, include: gear box body, ventilation subassembly, ventilation subassembly includes the lower ventilation pipe of gear box body upper end fixed connection, the heat dissipation box of lower ventilation pipe upper end fixed connection, the upper ventilation pipe of heat dissipation box upper portion one side fixed connection, the heat conduction frame of movable installation in heat dissipation box, the utility model discloses a gear box with prevent spilling oil ventilation structure, oil gas in gear box body after being transported to heat dissipation box in lower ventilation pipe, will gather in heat dissipation box through the gathering of many wheel gathering board and the adsorption structure after gathering, thereby through the gathering and timely adsorption of oil gas, improve the adsorption uniformity of oil liquid in oil gas, reduce the phenomenon of spilling oil, simultaneously, the heat conduction frame of gathering board and damping suction accessory outer end and the fin of heat dissipation box outer end also can use the quick heat dissipation of heat dissipation box inner end in use to reduce the temperature of internal oil gas, accelerate the condensation of oil liquid.

The present application relates to large industrial open cycle cooling water system, specifically to steam recovery device, circulating cooling system and circulating cooling method. Wherein the steam recovery device of the present application, including: at least one condenser pipe group, the condenser pipe group has condenser pipe, the surface of the condenser pipe is provided with fixedly connected heat exchange fin;Buffer cold water tank, the buffer cold water tank has water inlet pipe, the buffer cold water tank is communicated with the water inlet end of the condenser pipe by first pipeline;The first pipeline is communicated with first cooling water supply pump;The water inlet pipe has first valve, and the first pipeline has second valve;Raw water pool, the water outlet end of the condenser pipe is communicated with the raw water pool by second pipeline;Rotary centrifugal separation layer, the rotary centrifugal separation layer has at least two cyclones, each the cyclone has flow guide pipe respectively;The rotary centrifugal separation layer is vertically above the condenser pipe group.

The invention discloses a beet seed drying method and equipment, and belongs to the technical field of seed drying, the beet seed drying equipment comprises a shell assembly, a placement assembly is arranged in the shell assembly, the placement assembly is used for containing beet seeds, an auxiliary unit is arranged in the shell assembly, and the auxiliary unit is used for containing the beet seeds. The auxiliary unit is used for turning over the beet seeds contained on the containing assembly and enabling the beet seeds to be flatly laid on the containing assembly, and an air blowing unit is arranged at the bottom of the shell assembly. By arranging the shell assembly, the influence of the external temperature on the temperature in the shell assembly can be effectively limited, adjustment of the temperature in the shell assembly can be accurately controlled, and by arranging the auxiliary unit, beet seeds contained on the containing assembly are turned over and flatly laid on the containing assembly; and the beet seeds can be uniformly heated and subjected to the wind action, so that the drying uniformity of the beet seeds can be improved.

The utility model relates to a copper opening chute cooling device, and relates to the technical field of smelting production. A copper opening chute cooling device comprises a rack, a water conveying pipeline, an atomizing nozzle, a first valve, a water tank and a water suction pump. By arranging the rack, the direct water conveying pipeline can be erected above the copper opening chute, then the first valve is opened, the water suction pump is driven to pump water out of the water tank, and the water is atomized and sprayed through the atomizing nozzle, so that rapid cooling and rapid condensation of the copper opening chute can be realized, the waiting time for cooling of the copper opening chute is shortened, the production efficiency is improved, and the production cost is reduced. And the operation time can be effectively adjusted, so that the operator can have a rest effectively. Meanwhile, by adopting an atomization water spraying mode, damage to copper opening facilities in the high-temperature cooling process can be reduced, and melt explosion caused by the fact that cooling water flows into a copper compartment can be effectively prevented.

The present application relates to the industrial solid waste resource utilization and artificial aggregate technical field, specifically relates to a kind of preparation method of artificial aggregate.The specific technical scheme is as follows: including the following steps: (1) the slag, fly ash, red mud are ground and sieved, after heating treatment, mixed with activator, to obtain slurry;(2) the slurry is heated to condense, then, extrusion cutting, rounding, maintenance, alkali immersion, maintenance again, to obtain artificial aggregate.The present application solves the problem of large pore of spherical particles produced by disc granulation in the prior art.

The utility model discloses a steam condensate water separation structure for rice wine distillation, and relates to the technical field of rice wine distillation. The device comprises a cooling shell, a vapor-liquid separation assembly and a water temperature control assembly, a condensation pipe is arranged in an inner cavity of the cooling shell, and the top of the condensation pipe penetrates to the outer side of the cooling shell. Through the vapor-liquid separation assembly, the sealing ring and the plugging ring which are arranged in the separation shell are matched with the sealing plug and the plugging block which are driven by the air cylinder, stage separation is achieved in the vapor condensation process, and when the sealing plug is lifted, the plugging block seals the central through hole of the plugging ring; when the air cylinder is reset, the sealing block releases the sealing of the through hole, the wine liquid is discharged in a one-way mode through the liquid discharging pipe, and the residual steam is independently pumped away through the exhaust mechanism. The steam can be effectively prevented from being mixed with the wine liquid after being secondarily condensed, and the wine body is prevented from being diluted.

The application relates to the technical field of concrete pavements, and discloses a reinforced material for concrete pavements and a use method thereof. The reinforced material comprises dry materials and wet materials. The dry materials are as follows: 200-400 parts of white cement clinker, 70-120 parts of modified mineral powder, 300-700 parts of tailing sand, 50-140 parts of lithium slag powder and 5-50 parts of pigment. The wet materials comprise component 1 and component 2. The component 1 is composed of 10-30 parts of nano silicon oxide sol, 10-20 parts of polyaluminum, 10-30 parts of sodium silicate, 5-20 parts of aluminum sulfate, 5-10 parts of urea and 100-300 parts of water. The component 2 is composed of 5-10 parts of glue powder, 5-10 parts of 3-aminopropyltrimethoxysilane and 80-90 parts of water. The dry materials are sprayed on the surface of the concrete by a spraying machine or are uniformly vibrated on the surface of the concrete by a vibrating screen, and the wet materials are sprayed on the surface of the concrete by a sprayer, and then are collected and smoothed, so that the problems of low strength, easy falling and alkali return of the traditional reinforced material are solved.

The application discloses a preparation method of metal particles with core-shell structure, which comprises the following steps: preheating inert gas flow loaded with high-melting-point metal powder, and then passing into flowing low-melting-point metal vapor to make the low-melting-point metal condense on the surface of the high-melting-point metal powder to form a low-melting-point metal shell layer; the temperature of the low-melting-point metal vapor is T1, the preheating temperature is T2, T1>T2, and the difference between T1 and T2 is 50-200 DEG C. In the preparation method, the gas flow loaded with low-temperature high-melting-point metal powder is passed into the flowing high-temperature low-melting-point metal vapor; due to the temperature difference and the flowing state of the low-melting-point metal vapor, the low-melting-point metal can quickly condense on the surface of the high-melting-point metal, so that a uniform, composition-unsegregated and well-bonded coating layer is formed on the surface of the high-melting-point metal powder, and the mechanical properties of the composite material made of the metal particles with core-shell structure are improved.

The invention relates to the technical field of activated carbon preparation, in particular to a novel activated carbon preparation technology and method.The technology comprises a plurality of vibration screening devices, a plurality of conveying and lifting devices, a plurality of storage devices, a stirring and mixing device, a supply device, an extrusion forming device, a drying device and a negative pressure suction device; the method comprises the following steps of material preparation and screening, material storage and quantitative conveying, equipment cleaning and material mixing, pressure forming, material discharging, carbonization and activation. Negative-pressure adsorption can be realized under the action of the negative-pressure suction equipment, so that carbon dust can be quickly settled, the carbon dust can be quickly and intensively collected and discharged, meanwhile, the screening and automatic processing of the carbon dust can be effectively realized, and high-pressure forming and drying activation operations can be effectively performed, so that the adsorption efficiency and quality of activated carbon can be improved; the use effect of activated carbon is ensured.

The invention relates to the technical field of wastewater treatment, and discloses a device for intercepting and separating suspended solids in wastewater, a storage box is fixedly mounted on the right side of the top of a bottom frame, a chemical feeding nozzle and a water inlet nozzle are fixedly mounted on the top of the storage box, and a servo motor A is fixedly mounted in the center of the top of the storage box; a driving shaft is fixedly mounted at the output end of the servo motor A, and three groups of stirring blades are fixedly mounted on the outer side of the driving shaft. When suspended solids are conveyed to the filtering area, gaps are reserved between the composition plates, redundant water in the suspended solids can be squeezed and discharged into the water storage cavity, the left suspended solids can be conveyed to the squeezing area, and after suspended sludge is squeezed into clusters by the squeezing auger pieces and discharged from squeezing holes, the sludge falls into the conveying barrel through the sludge guide plate. A servo motor C drives a conveying auger sheet to rotate, sludge is discharged into an external bag from a discharging nozzle, and suspended solids in the wastewater are intercepted, separated and compressed in the process.

The invention discloses a self-gravity water inlet heat recovery liquid film evaporation type solar seawater distillation device, comprising: a flat solar collector A, a concentrated seawater collection tank, a fresh water collection tank, a water distributor, a flow control valve, a seawater feed pipe, a glass cover, an overflow pipe, a preheating seawater cylinder, a hot water inlet pipe A, a heating water tank, a condensing sleeve A, a water absorbing material, a water baffle, a concentrated seawater collection pipe, a return pipe, a hot water inlet pipe B, a bottom plate and a fresh water collection pipe; the preheating seawater cylinder and the salt water separation part of the invention are combined into one, and the potential energy of seawater can be used to realize the self-gravity water inlet of seawater, saving power drive energy consumption; at the same time, the solar energy absorbed by the preheating seawater cylinder is absorbed by the seawater, thereby increasing the water inlet temperature; the condensation latent heat released by the water vapor in the seawater feed pipe during condensation is also absorbed by the seawater in the seawater feed pipe, thereby promoting the condensation of the water vapor and improving the water production rate of the seawater distillation device.

The application discloses a fluorogypsum self-leveling mortar and a preparation method thereof, which comprises the following steps: uniformly mixing fluorogypsum, hemihydrate gypsum, ordinary Portland cement, lime, potassium sulfate, a defoaming agent, a water reducing agent, a retarder and cellulose to prepare the fluorogypsum self-leveling mortar. The application improves the strength of the fluorogypsum self-leveling mortar by hydrating the industrial by-product fluorogypsum into dihydrate gypsum and generating ettringite from the dihydrate gypsum and the Portland cement. The application introduces the Portland cement and adjusts the proportion of the Portland cement to promote the setting of the material, generate high-strength ettringite from the fluorogypsum and improve the flowability of the material. Thus, the fluorogypsum self-leveling mortar has good physical performance, mechanical strength, water resistance and construction performance.