46results about How to "Expand the range of suction" patented technology

The invention mainly discloses a system and method for landscape fishpond purification treatment. According to the technical scheme, the system comprises a water quality monitoring device, a water purification device and a water surface decontamination device, the water purification device comprises a shell, a water inlet pipe, an aerator pipe, a blowdown pipe and a water outlet pipe, a filtering area, an active mud area and a sterilization area are arranged in the shell from inside to outside in sequence in a nested mode, and both the water inlet pipe and the blowdown pipe are connected with the filtering area; the water outlet pipe is connected with the sterilization area, the two ends of the aerator pipe are located outside the active mud area and the shell respectively, and the water surface decontamination device comprises a collection box, a stain adsorption head and a stain adsorption pipe. The method comprises the steps of 1, installing the water purification device; 2, installing the water surface decontamination device; 3; conducting water quality detection; 4, conducting water purification; 5, conducting water surface purification; 6, conducting detection again; 7, cleaning the devices. The system is reliable in performance, water purification can be conducted automatically, water quality purification efficiency is high, treatment time and period are short, and normal operation of a fishpond system is guaranteed.

The invention discloses a P and S codoped carbon nitride homotype heterojunction composite photocatalyst, and belongs to the technical field of photocatalytic materials. Thiourea, trithiocyanuric acidand hexachlorocyclotriphosphazene (HCCP) are used as raw materials, and are subjected to a mixing and calcining one-step process to obtain the P and S codoped g-C3N4 homotype heterojunction compositephotocatalyst. The P and S codoped g-C3N4 homotype heterojunction composite photocatalyst has excellent photocatalytic activity, the significant enhancement of the photocatalytic activity of the photocatalyst can be attributed to the formation of homotype heterojunctions and the synergistic effect of co-doping of two heteroatoms, the separation efficiency of a photo-induced carrier is improved through accelerated separation, and much visible light can be captured to generate a lot of photo-induced electron holes.

The invention relates to a leaf suction machine with the anti-blocking function and the good leaf suction function. The leaf suction machine comprises a main body, a leaf suction cover, a feed delivery pipe, a power device and a collecting bag, and further comprises a crushing mechanism and two side suction mechanisms, the crushing mechanism comprises a crushing room, a support rod, a mounting bearing, a drive shaft, at least two paddles and two cutter blades, the side suction mechanisms comprise support plates, sliding rods, drive assemblies, drive blocks, first transmission rods, second transmission rods, connecting sleeve tubes, air cylinders, connecting assemblies, leaf suction tubes and guide tubes, the drive assemblies comprise motors and screw rods, and the connecting assemblies comprise guide rails and sliding sleeve tubes. According to the leaf suction machine with the anti-blocking function and the good leaf suction function, leaves sucked in the leaf suction cover can be crushed by the crushing mechanism, the sizes of the fallen leaves are reduced, the probability of blocking of the leaf suction machine is lowered, the leaf suction range of the leaf suction machine is expanded through the side suction mechanism, and thus the fallen leaves at the corners of roads and walls can be sucked by the leaf suction machine.

The invention relates to the technical field of shrimp culture, and discloses a dirt sucking device for a high-density shrimp culture pond. The device comprises a base, wherein a supporting sleeve rod, a cleaning tank and a water pump are sequentially fixedly mounted on the top surface of the base from left to right; one end of a water outlet pipe fixedly communicates with a water inlet of the water pump, and the other end of the water outlet pipe fixedly communicates with the bottom end of the right side surface of the cleaning tank; a control valve is fixedly mounted on the front surface ofthe water outlet pipe; a water draining pipe fixedly communicates with a water outlet of the water pump; a supporting column is fixedly mounted on the bottom surface of an inner cavity of the cleaningtank; and a dirt storing box is fixedly mounted on the top end of the supporting column. According to the device, the water pump is arranged, so that the flowing rate of air and water in the whole device can be increased, and water and impurities can be sucked into the inner cavity of the cleaning tank through a dust collecting sleeve block by utilizing a communicating pipe, and as a result, thedirt is automatically cleaned and treated; the problem of work and force waste in manual cleaning can be avoided; and the practicability of the device is improved.

The invention belongs to the field of ecological environmental protection, and particularly relates to a safe and environment-friendly garbage transport truck. The safe and environment-friendly garbage transport truck comprises a truck head and a truck bed; a vertical liquid storage cylinder is arranged in the truck bed, two water suction pipes communicate with the bottom of the liquid storage cylinder, one-way valves are installed at the communicating positions of the water suction pipes and the liquid storage cylinder, and the two water suction pipes are attached to the upper surface of thetruck bed and extend to two ends of the truck bed respectively; a piston block slides in the liquid storage cylinder in a sealing manner; a horizontal wing plate is arranged above the truck bed, the upper surface of the wing plate is in an upward convex arc shape, the lower surface of the wing plate is a horizontal plane, and the wing plate is fixed to the piston block through a connecting rod; and an annular airbag is arranged in the liquid storage cylinder. According to the safe and environment-friendly garbage transport truck, the wing plate can be driven by airflow to move up and down to suck cooking liquid in the truck bed into the liquid storage cylinder, so that contamination to the environment is avoided; and when a fire occurs, the liquid in the liquid storage cylinder can automatically spray out to cool the truck bed to put out the fire, so that a safety guarantee is provided for staff and the truck.

The invention discloses a smoke exhaust device which comprises a cover and an airflow generation device. The cover comprises a body and a flue part which is connected with the body and located on the upper side of the body. A smoke collection cavity is formed in the body. The flue part is provided with an oil smoke channel which communicates with the smoke collection cavity. The outer edge of the body is provided with jet orifices which surround the smoke collection cavity. A curved surface smoothly connecting the jet orifices and the inner surface of the smoke collection cavity is formed on the outer edge of the body. Jet flow of the jet orifices is jetted towards the curved face. The airflow generation device is used for inputting airflow into the body. The jet orifices are used for converting the airflow into the jet flow which is jet towards the smoke collection cavity through the curved surface to form a negative pressure area at the outer edge of the body. In this way, the high-speed airflow jetted out of the jet orifices can form the negative pressure area at the outer edge of the body, and accordingly, air around the body can be entrained and gathered into the smoke collection cavity and finally enters the oil smoke channel to exhaust oil smoke, so that the suction range of the smoke exhaust device is enlarged.

The invention discloses an intelligent range-adjustable type cooling base for the manufacturing industry. The cooling base comprises an installation platform and a device body. The device body is fixedly arranged in the middle of the upper end of the installation platform. A groove is formed in the middle of the lower end of the installation platform and internally provided with a cover plate. Theleft side and the right side of the cover plate are attached and connected to the side walls of the groove respectively. The middle of the upper end of the cover plate is connected with the lower endof a cooling air pump through an installation base. The left side and the right side of the cooling air pump are each fixedly connected with one end of a ventilating pipe. The cooling air pump is matched with the ventilating pipe and sucks away the heat around the device body, thereby having a cooling effect on the device body; compared with a fan, the cooling base is high in use safety; due to arotating round plate, the position of an air guide transverse plate can be changed, the air suction range of the ventilating pipe can be enlarged, and adjustment is convenient.

The invention discloses a cyclonic collecting device for lampblack of a range hood. The cyclonic collecting device comprises at least one air pipe; the air pipe is internally provided with an air flue in which an air inlet and an air outlet are formed; and the air pipe forms a tornado-shaped cyclone for cyclonically collecting lampblack by virtue of an air flow sprayed from the air outlet. According to the cyclonic collecting device for lampblack of the range hood in the embodiment of the invention, the air inlet and the air outlet communicating with the air flue are formed in the air pipe, the air flow is discharged from the air outlet of the air pipe to generate a strong shearing force for the ambient air and the lampblack to drive the ambient air and the lampblack to flow to finally form the tornado-shaped cyclone, the lampblack is guaranteed to spirally ascend under the action of the strong suction force of the cyclone and is prevented from being diffused around, and the suction force range of the range hood is widened, so that the power demand of the range hood is reduced, the energy consumption is reduced, furthermore, the working noise of the range hood is reduced, and the quality of the range hood is improved.

The invention discloses a broiler breeding bed. The breeding bed includes a mesh bed, a feeding trough arranged on the mesh bed, a cleaning device for collecting broiler excrement and a ventilating device; the feeding trough is provided with a feeding cavity and a food storage cavity; the cleaning device is provided with a conveyor belt for conveying the broiler excrement, a first driving member for elevating the conveyor belt and a scraping assembly for cleaning the broiler excrement on the conveyor belt; the ventilating device is provided with a ventilating seat; the ventilating seat is provided with multiple wind suction ports; and the wind suction ports are provided with wind suction nozzles. The breeding bed can enhance air treatment in henhouses, is good for the growth of broilers and convenient for the treatment of the broiler excrement, so that the efficiency of cleaning work can be greatly enhanced, and the waste of food during the feeding of the broilers can be completely eradicated.

The invention discloses sterilization and peculiar smell removal air purification equipment for garbage treatment facility. The equipment structurally comprises a controller, a purification device and a supporting table, the controller is fixedly embedded in the left side of the purification device, and the purification device is installed at the upper end of the supporting table, so that air enters an adsorption tank from air inlet holes in the upper end of a fan blade plate; and due to formaldehyde has the characteristic of dissolution easiness in ethanol, formaldehyde in the air is adsorbed by ethanol in the adsorption tank, the formaldehyde in the air enters a circulation ring through a limiting port after being removed, so that the formaldehyde is discharged through an exhaust port, the problem that the formaldehyde in the air is not easy to remove is solved, a drainage pipe has the effect of increasing the suction range on the right side of an elastic structure, and shows a fan-shaped structure to generate suction force towards the outer side, an elastic plate in the elastic structure is bent towards the direction of the circulation hole under the action of the suction force, so that the circulation hole forms pressure to increase the air flow speed, meanwhile, the fan-shaped drainage pipe prevents settled formaldehyde gas from being not easily adsorbed, and the situation that the range of the suction force effect is limited is avoided.

The invention relates to the technical field related to ventilation, in particular to a workshop ventilation system. The system comprises at least one air inlet assembly arranged at the side end of each wall body and air suction assemblies arranged between the wall bodies. The two sets of air suction assemblies are installed on a first sliding base slidably connected with a first annular support and a second sliding base slidably connected with a second annular support correspondingly, the first sliding base is of a U-shaped structure, a motor is arranged at the upper end of the first slidingbase, an output shaft of the motor is fixedly connected with a gear arranged on the inner side of the first sliding base, and the gear is engaged with inner ring teeth arranged on the inner wall of the first annular support. The workshop ventilation system is novel in design, when the motor works, the positions of the air suction assemblies are changed along with the first sliding base, so that the air suction range is increased, multi-position air suction treatment in a workshop is achieved, it can be guaranteed that impurities such as fine dust in the workshop are effectively removed, the ventilation effect in the workshop is improved, and the effective working environment improving effect is achieved.

The invention provides a printer and a conveyance device that are capable of enlarging a suction range of a suction hole. Even if a gap is formed between an end of the medium and the suction hole, suction force for the medium can be ensured, and the effect on ink droplets can be suppressed. A suction hole arranged on a suction pressing printing plate is set to have a shape including a second opening portion (smallest opening portion), the length of the second opening in the width direction crossing the conveying direction of the continuous paper (medium) is shorter than the length of the suction hole on the mounting surface,

The invention belongs to the technical field of punching devices, and particularly relates to a dust fall type automatic punching device for carton packaging material production. Aiming at the problem that dust is inconvenient to treat when an existing punching device is used, the following technical scheme is provided: the dust fall type automatic punching device comprises a punching table, a first vertical plate and a second vertical plate are fixedly installed at the top of the punching table, an air extractor is fixedly mounted on one side of the second vertical plate, an air inlet of the air extractor is fixedly connected with one end of an air inlet hose, the other end of the air inlet hose fixedly communicates with an air extraction cover, an air outlet of the air extractor fixedly communicates with a filter box with an opening in one side, a filter screen is fixedly mounted in the filter box, a transverse groove is formed in one side of the second vertical plate, an L-shaped rod is rotationally mounted in the transverse groove, and one end of the L-shaped rod is fixedly connected with the air exhaust cover. According to the dust fall type automatic punching device, air can be sucked and filtered, dust can be removed, the structure is simple, and the use is convenient.

The invention belongs to the field of cutting equipment, and particularly relates to a safe and environment-friendly plate cutting machine for sports equipment machining, which comprises a base, wherein a cutting platform is arranged on the base, a cutting machine is arranged below the cutting platform, and two side pressing rods are arranged on the cutting platform; an adjusting mechanism used for adjusting the positions of the side pressing rods is arranged in the base, and a suction mechanism used for collecting cutting scraps is arranged on the side pressing rods; the adjusting mechanism comprises two U-shaped supporting rods, the upper ends of the two U-shaped supporting rods are fixedly connected to the two ends of the two side pressing rods respectively, a driving motor is arranged in the base, the output end of the driving motor is connected with a lead screw through a coupler, and the lead screw is in threaded fit with a nut. A to-be-cut plate can be rapidly fixed, so that the stability is high, cutting scraps are better cleaned, cutting cooling liquid is sprayed to the surface of the cutting platform through a spray head, and the good cooling effect is achieved.

The invention belongs to the field of preparing of composite carbon felt, and particularly discloses a preparing method of graphene composite carbon felt. In order to solve the problems that when carbon felt is sliced at present, generated waste and dust cannot be conveniently disposed and the production environment can be easily polluted, the scheme is now put forward; the preparing method includes the following steps of S1, adding a binder to N,N-dimethylformamide to be evenly stirred and mixed, and then adding graphene and an organic solvent to be evenly stirred and mixed to prepare mixed liquid; S2, positioning the carbon felt, slicing the carbon felt through a cutting device, and disposing dust through a dust removal device, conducting marking, weighing the original weight, and soaking the carbon felt in the mixed liquid; S3, taking out the soaked carbon felt, putting the carbon felt into an oven to be dried. By means of the preparing method, the waste and dust can be effectivelydisposed, the production environment is prevented from being polluted, meanwhile the position deviation of a carbon felt coiled material during cutting can be prevented, and the position of a cutter can be adjusted according to the cutting size.