31results about How to "Less power equipment" patented technology

The invention discloses a peripheral transmission suction dredge adopting a gas stripping device. The suction dredge comprises a peripheral driving device, a central fixed shaft, a central steady flow drum, an air compressor unit, a gas distribution pipeline, sludge suction pipes, a sludge collecting tank, a scraper, siphons, a central sludge collecting drum and a main service bridge, wherein the peripheral driving device (1) is mounted at the upper part of the sludge collecting tank and positioned on the main service bridge, and circumferentially rotates by taking the central fixed shaft (3) as the circle center; the central sludge collecting drum is positioned in the center of the sludge collecting tank, and the central steady flow drum (7) is arranged at the lower part of the central sludge collecting drum; the scraper (9) rotates gathered sludge to enable the sludge to be collected in the sludge collecting tank (6) via the sludge suction pipe (5); the sludge suction pipes are provided with the air compressor unit (2) and a gas inlet pipe communicated with the gas distribution pipeline, and adjustable cover caps are arranged on sludge outlets in the upper parts of the sludge suction pipes (5). The peripheral transmission suction dredge has the advantages that the requirements for removal of high concentration and high density sludge can be satisfied, and the processing capability of the equipment is improved; the equipment is simple in structure, and the investment cost of construction is low; the equipment is only equipped with a small power crane motor and the air compressor, so that the less energy consumption is realized, and the running cost is low; the suction dredge is high in running reliability, and can run continuously for 24 hours.

The invention relates to a decontamination device with a self-priming double-venturi structure and its application, which mainly solves the problems in the prior art that the arrangement mode is single, cannot meet the emergency decontamination of toxic gas, and the decontamination efficiency is low. The present invention adopts a decontamination device with a self-priming double-venturi structure, including a gas straight pipe inlet, a liquid annular inlet, a Venturi tapering section, a Venturi expanding section, a built-in Venturi liquid inlet pipe and a built-in Venturi section Composition, in which the liquid annular inlet is located above the inlet of the gas straight pipe, and connected to the Venturi tapering section after passing through a straight pipe. The Venturi tapering section is divided into two areas: the inner area and the outer area: the inner area circulates gas, and the outer area circulates The top of the liquid is connected to the Venturi expansion section, the built-in Venturi liquid inlet pipe is connected to the built-in Venturi section, and the built-in Venturi section is located in the Venturi expansion section. The technical scheme of connecting with the expansion section solves the above problems well. in decontamination.

The invention discloses bamboo green removing equipment of a bamboo tube. The equipment comprises a bamboo tube conveying mechanism, a bamboo tube clamping mechanism, a high-speed particle nozzle and a bamboo tube rotating mechanism, wherein the bamboo tube conveying mechanism is used for driving the bamboo tube to move along a production line; the bamboo tube clamping mechanism is mounted on the bamboo tube conveying mechanism, and is inserted in the bamboo tube from one end or two ends of the bamboo tube for positioning the bamboo tube to prevent the bamboo tube from shaking in the movement process; the high-speed particle nozzle is arranged on the movement path of the bamboo tube, and is used for ejecting or shooting high-speed particles to the bamboo tube to remove bamboo green on the surface of the bamboo tube through the impact effect of the high-speed particles; and the bamboo tube rotating mechanism is used for enabling the bamboo tube to revolve in the axial direction in the bamboo green removing process of the bamboo tube. The bamboo green removing equipment of the bamboo tube not only improves the bamboo green removing quality and efficiency of the bamboo tube, but also improves effective utilization rate of the bamboo tube, can be widely applied to such bamboo product industries as container floors and building templates, largely saves the cost, and gains huge economic benefit for enterprises.

The present invention relates to system and technological process for treating waste water from oil refinery comprehensively. The present invention includes treating acid-containing sewage from anode backflushing in a acid water tank, mixing gasoline sweetening waste and acid-containing sewage from the acid water tank in the first mixer and treating the mixture in a acidifying separation tank to separate out organic matter to be recovered and acid water, mixing the acid water and liquid hydrocarbon base slag in a base water tank, further mixing with acid water from the acid water tank in the second mixer for acidifying, steam stripping the acidified water in a stripper to separate out gas containing hydrogen sulfide and ammonia to be recovered in a sulfur unit, and biochemically treating the sewage in a sewage farm. The present invention can eliminate 85 % of oil and 85 % of sulfide and recover hydrogen sulfide and ammonia before the biochemical treatment of the waste water.

The invention relates to the environmental protection technology, in particular to domestic sewage treatment equipment and aims at providing an integrated three-dimensional circulation sewage treatment device which is high in integration, stable and efficient. The sewage treatment device comprises a box, wherein the inside of the box is divided to form a circulating treatment area, a mud and water separation area and a filtration area in sequence; a partition plate is arranged in the middle of the circulating treatment area and divides an inner cavity of the box into an upper chamber and a lower chamber; the upper chamber is an aerobic chamber, and the lower chamber is an anaerobic chamber; an aerating device is arranged in the aerobic chamber, and a flow pusher is arranged in the anaerobic chamber; the two opposite ends of the partition plate are communicated with the aerobic chamber and the anaerobic chamber; the circulating treatment area is provided with a first water outlet leading into the mud and water separation area and the filtration area in sequence, and the filtration area is provided with a water discharge port. The integration of the device is improved remarkably, the equipment occupied area is greatly saved, the number of required power equipment is small, investment and energy consumption are reduced, and operation and management are convenient.

The invention makes public a kind of composite hardcore bar model which is used to produce soft tube that is used to import and export liquid or gas. The model consists of linking shank, locating taper bed, arc steel board, and steel linking sector. The linking shank passes through the taper bed and connects to the taper bed firmly. Several steel linking sectors are on the taper bed, and there are gaps between them. The linking shank can lead the taper bed away from the steel linking sectors. Every arc steel boards connect to corresponding steel linking sector firmly. And the arc steel boards form a column face. The invention also makes public a method of using the above model to make soft tube. The method includes the following steps: combine the hardcore bar model; wrap the model with steel wire, inner sub, reinforcing layer, outer sub, and outer steel armour; steal the tie-in and then get finished soft tube; pull the linking shank to move the taper bed from small section to big section, and then remove the model to get out the soft tube.

The invention discloses a box-type substation with efficient heat dissipation. The box-type substation comprises a box-type substation body, a box body is fixedly installed at the bottom end of the box-type substation body. A strip-shaped box is fixedly mounted in the middle of the bottom surface of the box body; a horizontal fixed rod is fixedly installed at the top end of the movable rod at theuppermost end of a multi-stage electric telescopic rod, sliding grooves with dovetail-shaped sections are formed in the front end and the rear end of the bottom face of a shielding plate respectively,the top end of each connecting rod is hinged to the bottom end of a sliding block, and supporting legs are fixedly installed at the four corners of the bottom end of the box body respectively. According to the invention, one motor can drive a plurality of parts to move; hot air in the box-type transformer substation body is further sucked out, cold and heat exchange is better conducted, heat dissipation treatment is conducted on electric devices in the box-type transformer substation body, cold and heat exchange can also be conducted on each cavity in the box-type transformer substation body,and heat dissipation treatment is conducted on each cavity.

The invention discloses an efficient stamping device for processing a back shell of a motor and an application method thereof. The device comprises a stamping base, wherein a stamping groove is formedin the middle of the stamping base; a stamping mold is arranged in the stamping groove; an ejecting plate is arranged between two sides of the stamping mold and the stamping groove; a first fixed lever is arranged at the bottom of the ejecting plate; the first fixed rod is connected to a first rotary shaft in a gear engaging form; the upper end of the stamping base is connected to a stamping cover plate through a plurality of uniformly distributed hydraulic rods; a puncher matched with the stamping mold is formed in the middle of the bottom of the stamping cover plate, and first gear racks fixedly connected are arranged on one side of the bottom of the stamping cover plate; by combining the stamping groove and the ejecting plate, the ejecting plate is driven by the gear to ascend and descend by lifting the cover plate to combine and separate the motor shell and a fixed block, so that the power equipment of an original ejecting mechanism is eliminated, and the cost is greatly lowered.The design is simple to operate, high in comprehensive practicality and easy to popularize and use.

This application relates to a construction method for green upgrading and transformation of old cement concrete pavement. By making a multi-stage crushing device, the diseased road surface is crushed into concrete blocks, and put into the multi-stage crushing device. The concrete fragments pass through the multi-stage crushing device. After crushing, the particle size becomes more uniform, and during the moving process of the multi-stage crushing device, the paving work on the diseased road surface is completed, which is conducive to improving the bearing capacity and construction efficiency of the new road surface in the later stage.