39results about How to "Improve dirt absorption capacity" patented technology

The invention relates to a fuel delivery unit (2) wherein a space between a baffle pot (3) and a fuel pump (4) is filled with filter material (13) of a fuel filter (6). The baffle pot (3) is injection-molded onto the filter material (13) and is provided with a recess (14) for directly receiving the fuel pump (4). The fuel delivery unit (2) has an especially simple design and can be easily installed.

The invention provides a suction sewage truck for a railway ballast bed. The truck comprises a frame, wherein bogies are arranged under the frame; and cabs, a power device, a dust removing and sewage collecting device, a draft fan and a blower are arranged on the frame. The truck is characterized in that a lifting railway ballast bed blow and suction sewage device and a railway ballast bed side blow and suction sewage device, which are connected with the dust removing and sewage collecting device, are also arranged on the frame. The truck has the following effects: during operation, the truck can complete omnibearing suction of sewage on the ballast bed and improve the sewage suction performance; when the truck runs, the blow and suction sewage devices can be lifted, thus ensuring the train to safely run in the limited range; the truck can integrate the whole train into one section or two sections to reduce the length of the train, thus improving the space utilization rate and the dynamics performance and lowering the manufacturing cost; and the truck can be applied to sucking the sewage on the surfaces of the subway and railway track ballast beds and the surfaces of the two sides of the ballast beds and is especially applicable to sucking dust, small stones, solid debris and steel rail polished scrap iron deposited on the surfaces of high speed railway ballast beds and the surfaces of the two sides of the ballast beds.

The invention discloses a pipeline dredging robot, comprising: a casing; a walking assembly, wherein the walking wheels of the walking assembly are centrally symmetrically distributed in the circumferential direction of the casing; The front-end box opening of the crushing chamber is provided with a crushing knife group, which is used for crushing the garbage in the pipeline; the cleaning component includes a high-pressure water pipe interface and a sewage suction pipe interface arranged on the rear surface of the case, and a high-pressure nozzle arranged on the crushing chamber. A high-pressure water channel is arranged between the high-pressure water pipe interface and the high-pressure nozzle, and a sewage suction channel is arranged between the sewage suction pipe interface and the crushing chamber; a drive motor is arranged in the chassis, and the drive motor is The output end is connected with a power transmission assembly, and the power transmission assembly is connected with the traveling assembly and the crushing knife group. The pipeline dredging robot of the present invention has the advantages of thorough dredging and no residue by crushing the garbage now and then cooperating with the sewage suction pipeline to extract the garbage.

A two-stage filtering self-cleaning filter adopting internal and external filter cylinders comprises a seal casing constituting a filter cavity, a pollution absorption pipe and a driving device, wherein a first-stage filter cylinder and a second-stage filter cylinder are arranged in the casing, a water inlet communicates with an inner cavity of the first-stage filter cylinder, water enters an outer cavity of the first-stage filter cylinder through the inner cavity of the first-stage filter cylinder to realize first-stage filtration, the first-stage filter cylinder is covered with the second-stage filter cylinder, the outer cavity of the first-stage filter cylinder is divided into an inner cavity of the second-stage filter cylinder and an outer cavity of the second-stage filter cylinder by the outer cavity of the first-stage filter cylinder, and water enters the outer cavity of the second-stage filter cylinder through the inner cavity of the second-stage filter cylinder to realize second-stage filtration. According to the two-stage filtering self-cleaning filter adopting the internal and external filter cylinders, the internal space utilization rate of the filter is effectively increased, and the maintenance space of the filter is reduced. With the adoption of the internal and external dual-filter-cylinder layout design, the first-stage filter cylinder is arranged in the second-stage filter cylinder, only the length space of the second-stage filter cylinder is required, so that the height of the filter is reduced, and then the maintenance space of the device is reduced effectively.

The invention belongs to the technical field of dirt suction, and discloses environmental-protection dirt sucking equipment. The environmental-protection dirt sucking equipment comprises a dirt sucking tank and a negative-pressure pump; an intake pipe of the negative-pressure pump is connected with the dirt sucking tank; a dirt sucking module and a dirt discharge pipe are mounted on the dirt sucking tank; and dirt is circulated along the dirt sucking module, the dirt sucking tank and the dirt discharge pipe. The environmental-protection dirt sucking equipment further comprises a floating support mechanism and a moving driving mechanism; the floating support mechanism is connected to the bottom end of the dirt sucking tank, so that the dirt sucking tank can be floated on water; the moving driving mechanism is mounted at one end of the dirt sucking tank, and drives the dirt sucking tank floated on the water for oriented movement; and in sum, the movement of the whole equipment on the water can be effectively realized, so that the dirt sucking operation in each underwater area is realized under the precondition of not increasing the length of the dirt sucking pipe, the energy consumption of the negative-pressure pump in the dirt sucking process is reduced, and the whole equipment has the advantages of high flexibility, wide dirt cleaning range, low energy consumption and environmental protection.

The invention relates to a filtering device comprising a casing, wherein a water inlet and a water outlet are formed on the top and the bottom of the casing respectively; a double-layer filter plate is arranged on the inner wall of the casing and is provided with mesh holes; filtering media are arranged between the double-layer filter plate; a filter cloth is arranged at the water inlet; a filter element is arranged on the lower part of the double-layer filter plate; the lower part of the filter element is conic; and the filter element is communicated with the water outlet. The filter media and the filtering element of the filtering device have high pollutant absorbing capability, high filtering speed, good purification effect, safety and reliability, zero pollution, and a long service life, meanwhile, residues can be sucked away by a suction pump and a suction pipe so as to prevent the filter cloth from blockage.

The invention discloses a sewage suction device for a filter used in agricultural irrigation, which mainly includes a sewage suction pipe and a plurality of high-pressure suction nozzles, and the multiple high-pressure suction nozzles are evenly fixed on the outer wall of the sewage suction pipe and communicated with the sewage suction pipe , the plurality of high-pressure suction nozzles are all provided with high-pressure nozzles inside, and the high-pressure nozzles can spray high-pressure water flow. The high-pressure nozzle is concentric with the high-pressure suction nozzle, and a high-pressure pipe concentric with the sewage suction pipe is arranged inside the sewage suction pipe. The high-pressure nozzles are all communicated with the high-pressure pipe, and the high-pressure pipe can obtain high-pressure water flow from a high-pressure pump. In the present invention, high-pressure nozzles concentric and coaxial with the high-pressure suction nozzles of the original sewage suction device are provided. High-pressure water flow can be sprayed from the high-pressure nozzles to spray the inside of the fine filter screen, so that both sides of the filter screen can be thoroughly cleaned. The moment the fouling is washed away by the high-pressure nozzle, the suction nozzle will suck. After such improvement, it can realize spraying and suction at the same time, so that the dirt suction capacity is obviously improved.

A multi-purpose indoor wiping tool, including a wiping tool and a wiping cloth processing device, characterized in that: the wiping tool is composed of a pressing plate (2), a cloth connecting device and a wiping cloth (4); the pressing plate is a rectangular plate The wiping cloth is a rectangular piece of cloth; only one side of the wiping cloth is connected with the cloth connecting device, and the cloth connecting device is installed on the pressing plate; the pressing plate is provided with a handle; the wiping cloth The processing device consists of a net stripper and a base 7 on which the net stripper is installed. The multi-purpose indoor wiping tool of the present invention has simple structure, convenient operation and wide application, and can help people quickly and efficiently wipe the surfaces of various indoor objects without dirty or damaging hands, thus having strong practicability.

The invention discloses an electric dirt-absorbing brush for a swimming pool, which comprises a dirt-absorbing chamber and a motor chamber, the dirt-absorbing chamber includes a transparent dirt-absorbing cover, a connector and a dirt-absorbing housing, the transparent dirt-absorbing cover is connected The casings are connected by the connecting piece, the water inlet of the transparent dirt-absorbing cover is provided with a tubular protrusion, and a large garbage retention part is formed between the transparent dirt-absorbing cover and the tubular protrusion. After the water flows out from the tubular protrusion, the large-volume garbage is squeezed into the large garbage storage part, and the water enters the dirt-absorbing housing. The invention can separate the large-volume garbage from the water, and guide the water flow into the sewage suction shell to prevent the large-volume garbage in the water flow from hindering the rotation of the impeller, and because of its structure, it is not easy to be blocked by garbage, so the sewage suction efficiency is very high high.

A blowing and suction work device for a rail suction-type sewer scavenger comprises a trolley frame, two air blowing boxes and an air suction box, wherein the front side and the rear side of the trolley frame are both provided with two work wheels; the two air blowing boxes are installed on the front side and the rear side of the sewer suction work trolley frame respectively; the air suction box is installed between the front air blowing box and the rear air blowing box.The front air blowing box is provided with a round front air inlet, the front air inlet is provided with a flange used for connecting the front air inlet with an air inlet pipeline of the blowing and suction work device, the rear side face of the rear air blowing box is provided with two round rear air inlets, a front air blowing nozzle assembly is arranged at the bottom of the front air blowing box, a rear air blowing nozzle assembly is arranged at the bottom of the rear air blowing box, an air suction opening is formed in the bottom of the air suction box, and a round air outlet is formed in the top of the air suction box; the front air blowing nozzle assembly and the rear air blowing nozzle assembly are distributed along the three faces of the bottom face edge of the air blowing box, air blowing airflow covers the transverse direction and the longitudinal direction of the cross section of a whole ballast bed, dust and cuttings of the whole cross section are blown into the air suction opening, accordingly the dust and the cuttings can be sucked in the scavenger more easily, and the sewer suction effect is improved.

The invention discloses a non-electric pulse type sewage lifting pump. The sewage lifting pump comprises a pump body and a lifting pipe, wherein the pump body is arranged below the liquid level of a sewage tank, and the top of the lifting pipe extends out of the sewage tank; the pump body is internally provided with a big air cavity with an opening at the bottom and a small air cavity with an opening at the top, wherein the small air cavity is arranged in the big air cavity in a sleeved mode, the small air cavity communicates with the big air cavity through the top opening, and the top of thepump body is provided with an air inlet pipe communicating with the big air cavity and the small air cavity; and the lifting pipe is arranged in the big air cavity and the small air cavity in a sleeved mode at the same time, the bottom of the lifting pipe extends out of the small air cavity to be provided with a water suction opening, and air inlet holes used for communicating with the small air cavity are formed in the pipe wall, located in the small air cavity, of the lifting pipe. According to the pump, the two air cavities of the big air cavity and the small air cavity are formed in the pump body, one of the two air cavities is placed upwards, the other air cavity is placed downwards, the small air cavity is arranged in the big air cavity, the lifting pipe penetrates through the middleof the two air cavities, and the air inlet holes are formed in the positions, close to the bottom of the small air cavity, of the lifting pipe; and continuous air inlet is adopted, bubbles are formedintermittently, the pollutant suction capacity is increased, and the lifting capacity is improved.

The invention discloses an undercurrent artificial wetland plant breeding and domesticating method, and relates to biological treatment of water, wastewater or sewage. The undercurrent artificial wetland plant breeding and domesticating method comprises the following steps: by a dry-wet alternate seedling domestication method, through primary domestication, with 14 days as a period, gradually increasing a hydraulic load and an organic load to screen out seedlings with the heights of 1.8-2.0 m; performing secondary domestication to obtain wetland plants with high stress resistance, strong pollution absorbing capacity, a developed root system and dense stems and leaves. By the undercurrent artificial wetland plant breeding and domesticating method, the treatment capacity of a wetland is increased by 10-20%; intergenerational transmission can be performed on the seedlings with a certain genetic property, which are bred and domesticated for a long time.

A two-stage filtering self-cleaning filter adopting internal and external filter cylinders comprises a seal casing constituting a filter cavity, a pollution absorption pipe and a driving device, wherein a first-stage filter cylinder and a second-stage filter cylinder are arranged in the casing, a water inlet communicates with an inner cavity of the first-stage filter cylinder, water enters an outer cavity of the first-stage filter cylinder through the inner cavity of the first-stage filter cylinder to realize first-stage filtration, the first-stage filter cylinder is covered with the second-stage filter cylinder, the outer cavity of the first-stage filter cylinder is divided into an inner cavity of the second-stage filter cylinder and an outer cavity of the second-stage filter cylinder by the outer cavity of the first-stage filter cylinder, and water enters the outer cavity of the second-stage filter cylinder through the inner cavity of the second-stage filter cylinder to realize second-stage filtration. According to the two-stage filtering self-cleaning filter adopting the internal and external filter cylinders, the internal space utilization rate of the filter is effectively increased, and the maintenance space of the filter is reduced. With the adoption of the internal and external dual-filter-cylinder layout design, the first-stage filter cylinder is arranged in the second-stage filter cylinder, only the length space of the second-stage filter cylinder is required, so that the height of the filter is reduced, and then the maintenance space of the device is reduced effectively.

The invention relates to the technical field of underwater dirt suction devices, in particular to an underwater dirt suction device which comprises a dirt suction device body, the dirt suction device body comprises an axial flow pump and a dirt suction plate, and the axial flow pump comprises an impeller located in a water inlet pipe and driven by a brushless motor and a discharging inclined pipe obliquely communicated with the side wall of the water inlet pipe. The inner cavity of the water inlet pipe is internally provided with a pressure buffering air bag located above the lower end opening of the discharging inclined pipe, the pressure buffering air bag is externally connected with an adjusting ball capable of adjusting air pressure, and the lower end of the pressure buffering air bag is provided with a pressing plate installed on the inner wall of the water inlet pipe in a lifting mode. Under the driving adsorption of the motor, the water level in the water inlet pipe rises to the upper end of the discharging inclined pipe, a sealed environment is formed, then the pressure intensity of the pressure buffering air bag is adjusted through the adjusting ball, negative pressure is formed in the sealed environment, the water flow suction force is increased, and the sewage suction capacity is improved.