32results about How to "Cause rust" patented technology

The invention relates to a reinforced cement grinding aid and a preparation method thereof. The reinforced cement grinding aid is characterized by comprising the following materials in parts by weight: 20-65 parts of mixed solution of sodium polystyrene sulfonate (SPS) and aluminum sulfate, 5-25 parts of alkanolamine, 5-20 parts of polyhydric alcohol, 3-15 parts of saccharides, 0.1-1 part of antifoaming agent and 15-45 parts of water. The reinforced cement grinding aid is prepared by mixing and stirring the mixed solution, alkanolamine, polyhydric alcohol, saccharides, an antifoaming agent and water. Preferably, the sodium polystyrene sulfonate (SPS) is prepared by taking waste polystyrene as the raw material, serves as a long-chain linear macromolecule water-based material and is a surface active agent and a cement dispersing agent as well as an early strength agent and a water reducing agent; the aluminum sulfate is an effective reinforcing agent of Portland cement; and the prepared reinforced cement grinding aid has good grinding aid and reinforcing effects, and the cost is lower than that of the conventional triethanolamine cement grinding aid. According to the method, waste polystyrene plastics are recycled, and no waste acid, waste water and waste residue are discharged. Therefore, the method is environment-friendly and low in cost.

The invention relates to an activating grinding aid for steel slag micro-powder, and a preparation method thereof. The activating grinding aid comprises the following raw ingredients in parts by weight: 15-45 parts of an amide compound, 3-35 parts of alkanolamine, 5-20 parts of ethylene diamine or derivatives thereof, 0.1-0.5 part of a defoaming agent, and 15-70 parts of water. The preparation method for the activating grinding aid comprises the steps of: sequentially adding the 15-45 parts of amide compound, 3-35 parts of alkanolamine and 5-20 parts of ethylene diamine or derivatives thereof into 15-70 parts of water for mixing and stirring, and then adding the 0.1-0.5 part of defoaming agent to the mixture to obtain the activating grinding aid for the steel slag micro-powder. The activating grinding aid for the steel slag micro-powder is simple in preparation technique and less in usage amount, and is not only excellent in grinding aiding effect, but also capable of improving the activity index, especially 28d activity index, of the steel slag micro-powder; and the steel slag micro-powder does not contain chloride ions, thus meeting the national standard.

A cutter head cleaning device for a lawn mower, comprising a support table, on which a cleaning bucket, an air input device and a water mist input device are arranged; a platform for clamping the cutter head is provided on the inner wall of the upper end of the cleaning bucket, The outer wall of the upper end of the cleaning bucket is also fixedly provided with several clamping devices for fixing the cutter head; the air input device includes an air inlet pipe horizontally fixed on the support table, and the air inlet pipe is connected with the inside of the cleaning bucket. An electric heating wire is arranged in the air inlet pipe, and a fan is arranged at the end of the air inlet pipe away from the cleaning bucket, and the fan blows air into the air inlet pipe; the water mist input device includes a water inlet pipe and a water pump fixed horizontally on the support table, and the water inlet pipe and The interior of the cleaning barrel is connected, an atomizer is arranged in the water inlet pipe, and the outflow end of the water pump is connected with the input end of the atomizer. The invention can quickly clean the cutter head of the lawnmower, and can dry it after cleaning, thereby greatly prolonging the service life of the blade.

The invention discloses a cleaning device for textile machinery, and relates to the technical field of textile machinery cleaning. The cleaning device comprises a mounting bottom plate; a plurality offirst vertical plates are fixedly mounted on the upper surface of the mounting bottom plate; when the number of the first vertical plates is two, a two-way threaded column is arranged between the twofirst vertical plates; a plurality of second movable threaded sleeves are arranged on the peripheral side face of the two-way threaded column, and the number of the second movable threaded sleeves istwo; a movable rod is connected to the upper surface of each second movable threaded sleeve; a movable block is connected to one end of each movable rod; a mounting frame plate is fixedly connected to the upper surfaces of the movable blocks; sliding grooves are formed in the opposite surfaces of the two first vertical plates; sliding plates are mounted in the sliding grooves; and the sliding plates are fixedly connected with the mounting frame plate. The movable blocks are arranged and connected with the mounting frame plate; and when the two-way threaded column rotates, the second movable threaded sleeves transversely move to drive the corresponding movable rods to longitudinally move, then the movable blocks are driven to longitudinally move, the movable blocks drive the mounting frameplate, and lifting of an air blower is facilitated.

The invention provides a totally-closed sound barrier. The profile steel of a roof part is deformed steel and comprises a web plate, an upper wing plate, a lower wing plate and an additional wing plate, the additional wing plate is positioned between the upper wing plate and the lower wing plate, an opaque unit plate or a transparent unit plate is directly placed on the adjacent additional wing plate of the deformed steel, a pressing plate is pressed on the upper wing plate of the deformed steel and the end portion of the opaque unit plate or the transparent unit plate, and a bolt penetrates through the additional wing plate upwards and then is fixed through a nut. By additionally arranging the additional wing plate, the upper surface of the roof part is in a flat state, the overall attractiveness is improved, follow-up cleaning operation or work such as design and installation of a cleaning device is facilitated, in addition, a screen body is fixed to the profile steel of the roof part through the bolt and the pressing plate, water accumulation and water leakage are avoided, rainwater or dew can be prevented from permeating the periphery of the bolt, and the service life of the bolt is prolonged.

The invention discloses a drying machine automatic feeding conveying device with a preliminary drying function, which comprises a power device, a bearing device, a flow guide device and an adjusting device, the power device is in transmission connection with the bearing device, the flow guide device is communicated with the bearing device, the power device is in fastening connection with the flow guide device, and the adjusting device is connected with the bearing device. The guiding device is connected with the adjusting device, the power device comprises a driving motor, transmission wheels and a conveying belt, the two transmission wheels are arranged on the inner ring of the conveying belt and are in transmission connection with the conveying belt, supports are arranged on the two sides of the two transmission wheels respectively, the transmission wheels are rotationally connected with the supports, and the moving direction of the upper side of the conveying belt is the feeding direction. The driving motor is located on one side of the support at the front end of the feeding direction, the output end of the driving motor is in transmission connection with the transmission wheel at the front end of the feeding direction, the drying strength of raw materials is adjusted through the adjusting device, the humidity of the raw materials is made to be at a small threshold value, and the drying quality is guaranteed.

The invention discloses a temperature regulation shield for controlling a growth period of peach trees. The temperature regulation shield comprises an arc-shaped shield body and a support frame for supporting the shield body, and further comprises a temperature control device, wherein the shield body is provided with a through hole and a hole lid for opening or closing the through hole; a drip fogdispersal layer covers the side, which is close to the peach trees, of the inner side of the shield body; and a PET reflective film covers the outer side of the shield body. The temperature regulation shield has the characteristics of good insulating effect, a function of drip fog dispersal and capability of controlling the growth period of the peach trees. The temperature regulation shield is suitable for culture of the peach trees.

The invention relates to subsection cutting equipment, in particular to sorgho stalk section head subsection cutting equipment. The technical purpose is to provide the sorgho stalk section head subsection cutting equipment which can save labor, achieve a consistent cutting length, and guarantee that people are unlikely to get cut by blades. According to the technical scheme, the sorgho stalk section head subsection cutting equipment comprises a base, a mounting base, a mounting frame, a first rotary shaft and the like; the mounting base is arranged at the right side of the top of the base, andthe mounting frame is arranged at the left side of the top of the mounting base. According to the sorgho stalk section head subsection cutting equipment, by pulling a first push rod to rotate, the first push rod rotates and drives a cam disc to rotate, then the cam disc rotates and drives the first push rod to move downwards through an arc groove, thus a guide rod is driven to move downwards, andthen drives a cutting head to move downwards, and in this way, the cutting head conducts subsection cutting on sorgho stalk section heads; through the cooperation of a rubber ball and a first circular disc, the sorgho stalk section heads on the first circular disc fall onto the base through an opening, and in this way, a user does not need to manually clean away the sorgho stalk section heads.

A medium-frequency power supply water cooling system is provided with a power cabinet, a water returning tank and a cooling tower. The power cabinet is connected with the water returning tank. A connecting pipeline is arranged between the cooling tower and the water returning tank. A liquid level control device is arranged in the water returning tank. A main motor is arranged at the lower portion of the water returning tank. An electromagnetic valve is arranged between the main motor and the water returning tank and controls starting and stopping of the main motor. The electromagnetic valve is connected with the liquid level control device. The liquid level control device is provided with a liquid level induction needle. The liquid level control device feeds signals back to the electromagnetic valve, and the electromagnetic valve obtains the signals to control the main motor. The liquid level control device is arranged in the water returning tank and can control the liquid level in the water returning tank in time, water in the water returning tank can be rapidly supplemented, and normal work of the cooling system can be guaranteed; and a water collector is arranged in the cooling tower and can collect condensate water, and the condensate water is prevented from flowing all around.

The invention discloses a cooling device for automobile parts, and belongs to the field of cooling of the automobile parts. The cooling device comprises a rotating ball, two connecting cross rods are fixed on the surface of the rotating ball, the two cross rods penetrate through two conical grooves respectively, second sliding grooves are formed in the lower surfaces of the two cross rods, second sliding blocks are slidably connected into the second sliding grooves, the two second sliding blocks are connected with the same clamping device, the two second sliding blocks and the side walls of the second sliding grooves are fixedly connected with clamping springs, a cooling groove is formed in the upper surface of a bottom plate, and an inflation connector is formed in the bottom of the cooling groove. According to the cooling device, the inflation connector is arranged at the bottom of the cooling groove, when the automobile parts enter the cooling groove, cooling liquid enters through holes of the parts, after the inflation connector communicates with the through holes, residues in the through holes and the cooling liquid are blown out together, the cooling liquid has the scouring effect on the residues, meanwhile, the inflation connector blows out the cooling liquid in the through holes, and internal corrosion of the automobile parts caused by residual cooling liquid can be prevented.

The coaxial motor axle assembly with the cooling device comprises an axle shell, the outer surface of the axle shell is sleeved with an annular sealing cover, an oil pipe is inserted into the outer surface of the annular sealing cover, a micro pump is installed on the upper end face of the axle shell in a threaded mode, and the side, away from the micro pump, of the oil pipe is sleeved with an electromagnetic valve; the side, away from the electromagnetic valve, of the oil pipe is sleeved with a cooling assembly, an inner ring is rotationally installed on the inner wall of the outer ring, and sealing assemblies are bonded to the positions, located on the two sides of the inner ring, of the inner wall of the outer ring. The mode that cooling oil is injected through the annular sealing cover cannot cause resource waste, parts cannot be rusted, hot oil can be quickly cooled and can be recycled within a short time, the cooling effect is better, the inner ring of the hollow shaft can be avoided, the situation that the hollow shaft is abraded due to friction of the bearing unit can be avoided, and the service life of the hollow shaft is prolonged. The service life of the hollow shaft can be prolonged, gaps are not prone to occurring in the sealing assemblies on the bearing units, and the sealing effect is better.

The invention provides a high efficiency cooling unit of a cooling mechanism. The invention mainly utilizes a bracket to connected with a first water supply pipe fixedly, then the first water supply pipe can spray cooling water to a watering pan bottom-up, then utilizes the function of a water cooling unit and a gas cooling unit to cause the cooling water equally to spray on a heat exchange unit, and cause high temperature cooling medium to release heat energy to lower the temperature and condense into the liquid cooling medium. A water-proof cover is arranged under a drive mechanism, and the first water supply pipe sprays cooling water on a watering pan form bottom to up, that the cooling water in the water cooling unit circulation and the vapor in the air are carried into the inner of the drive mechanism along with the rotation of the drive mechanism and lead to rustiness of the inner of the drive mechanism is avoided.

The invention belongs to the technical field of intelligent furniture, and particularly relates to a convenient-to-adjust cutter storage device for intelligent furniture. In order to solve the problems that for an existing cutter storage device, the design structure is relatively simple and the function is relatively single, a scheme is currently provided and is characterized in that the convenient-to-adjust cutter storage device comprises a base, a rotating table and cylinder bodies, a warning lamp is fixed on the outer wall of one side of the base through screws, a control box is fixed at the end, far away from the warning lamp, of the outer wall of one side of the base through screws, moreover, a first groove is formed in the outer wall of one side of the control box, a display screen is fixed on the inner wall of the first groove through screws, and an operation key is arranged on the outer wall of the side, close to the display screen, of the control box. According to the convenient-to-adjust cutter storage device, the height of a main body can be adjusted through first hydraulic cylinders according to the needs of a user, a stored cutter can be sterilized, a resistance heating wire and a dehumidification fan are arranged so that the dewatered cutter can be dried, and then the situation that due to the fact that water is left on the surface of the cutter, the surface of the cutter is rusted can be prevented.

The invention discloses large-volume self-compacting concrete which is composed of a cementing material, aggregate, a composite additive and mixing water. In terms of per cubic meter of the concrete,the adding amount of the cementing material is 500-600 kg, the adding amount of the aggregate is 1640-1730 kg, the adding amount of the composite additive is 9-12 kg, and the ratio of the adding amount of the mixing water to the adding amount of the cementing material is 0.28-0.32. The composite additive at least comprises a polycarboxylate superplasticizer and gellan gum. The invention also provides a preparation method of the large-volume self-compacting concrete. The concrete mixture is good in compactness and flowing property, the concrete setting time is prolonged, an expanding agent cangive full play to the expanding efficiency conveniently, the hydration heat peak time is delayed, and the problems of contradiction between high flowability and stability, contradiction between earlystrength and delayed coagulation, contradiction between shrinkage and expansion and the like of a self-compacting concrete mixture are solved.