37results about How to "Avoid difficult demolition" patented technology

The invention provides a combined type treatment device for industrial soot waste gas, and relates to the technical field of treatment of industrial waste gas. The combined type treatment device is formed by combining at least one kind of treatment units of front filtering treatment units, plasma treatment units, high-energy particle tube treatment units and photocatalyst treatment units, each treatment unit comprises a box and a treatment module arranged in the box, an air inlet and an air outlet are formed in each box, and the air outlets of each kind of the selected treatment unit communicate with the air inlets of the other kind of treatment units. According to an embodiment of the invention, the devices with different waste gas treatment functions are modularized to form the treatment units in different kinds, a user can select the treatment units in different kinds according to ingredients of the industrial waste gas, the number of every kind of treatment units is adjusted according to air volume, the cost is low, and the treatment effect of the industrial waste gas is good. The combined type treatment device has the advantages of short mounting days for construction, reliable structure, standard mounting, flexible changing, convenience in removing and the like.

The invention discloses a skid-mounted type combined cooling, heating and power unit. A plurality of side wall supports are arranged on the edge of a base, a natural gas inlet is formed in one side wall support and connected with an integrated supercharger through a pipeline, a miniature gas turbine is connected with a gas release port through a pipeline, the gas release port is formed in one sidewall support, flue gas discharged by the miniature gas turbine is connected with a flue gas absorption type water chilling unit through a flue gas pipeline, the flue gas absorption type water chilling unit is connected with a cooling tower through a cooling water pipeline and connected with a chilled water outlet and inlet port through a chilled water pipeline, the chilled water outlet and inletport is formed in one side wall support, redundant flue gas of the flue gas absorption type water chilling unit and a part of flue gas exhausted by the miniature gas turbine enter a flue gas-water heat exchanger through a pipeline, the flue gas-water heat exchanger is connected with a domestic hot water outlet, the electric energy output end of the miniature gas turbine is connected with an inverter, and the inverter is connected with a grid connected cabinet.

The invention provides a wire wrapping method and a wire wrapping device of primary coils of a current transformer. The wire wrapping method comprises a cylinder portion and a wing portion. The cylinder portion is hollow and assembled by two half-cylinder parts, and screw holes are formed in the end face of the cylinder portion. The wing portion comprises two circular rings, the circular wings are assembled by two semicircular wing parts, a location hole is formed at connection of two semicircular wing parts, the inner circle radius of the circular rings is equal to the radius of the cylinder portion, screw holes are formed on the semicircular wing parts, and the wing portion is connected with two end faces of the cylinder portion via the screws. The cylinder portion and the wing portion are connected with each other through the screws, the coils are easy to be dismounted after the wire wrapping is finished, and time and energy are saved; an annular groove is arranged on periphery of the two end faces of the cylinder portion, and the half-cylinder parts are connected with the semicircle wing parts with junctions staggered, so that the wing portion is connected with the cylinder portion more tightly and wire wrapping device is more stable.

The invention discloses a road. The road is provided in order to solve the problems that construction and paving of a roadbed and a road surface of an existing road are continuous, a large number of materials are needed, the construction period is long and flexible paving cannot be realized according to transportation requirements. The road is composed of a plurality of road units (1) which are arranged along the planned path, spans exist between the road units, the space between every two adjacent road units serves as a span unit, and no supporting plate beam exists between the span units. At least one set of road wheels (123) formed by rotatable wheels is arranged on each road unit, the road wheels are provided with contacting surfaces (124) making contact with a vehicle running on the road when rotating, the contacting surfaces form bearing surfaces and the bearing faces form discontinuous road surfaces of the road. Meanwhile, the invention discloses the vehicle on the road. The road has the advantages that the number of construction materials is small, a few working hours are needed, the construction period is short and paving is flexible.

The invention discloses an aluminum alloy wallboard wireway comprising a wireway bottom board and a wireway top board. The wireway bottom board is provided with a wireway channel. The sidewalls of the wireway channel are provided with first barbs. The back of the wireway top board is provided with locking insert boards provided with second barbs. When the wireway top board covers the wireway channel of the wireway bottom board, the locking insert boards are inserted into the wireway channel and the first barbs and the second barbs are staggered and locked together. Compared to the prior art, the aluminum alloy wallboard wireway is simple in structure and highly comfortable, has good insulation and sealing effects, and has lower building cost than permanent buildings; when idle, the aluminum alloy wallboard wireway is convenient to remove; aluminum alloy has long service life so that a recycled aluminum alloy profile is recyclable.

The invention discloses an aluminum alloy wallboard. The aluminum alloy wallboard comprises a wallboard shell in which foam materials are filled, wherein one connecting side end of the wallboard shell is provided with a clamping groove, and the other connecting side end of the wallboard shell is provided with a clamping lug, and the clamping lug is inserted into the clamping groove when two adjacent pieces of the wallboard shells are spliced; and the middle parts of the connecting side ends of the wallboard shell are provided with fractures, and insulating adhesive tapes are arranged at the fractures. In comparison with the prior art, the aluminum alloy wallboard provided by the invention is simple in structure, high in comfort, and lower construction cost than permanent construction. Furthermore, the aluminum alloy wallboard is convenient to remove when not being used any more, and recycled aluminum alloy profiles can be used again.

The invention relates to an apparatus for using a hollow floater to assist in slope drainage and solves the problem that in a dry season with less rainfall, underground water level drops, a slope has no water to be discharged via siphoning, a siphoning system may stop operating, air dissolved in air may be separated out gradually in bubble form, the air accumulates constantly in a siphon, the vacuum degree of the siphon decreases, and it is hard to restart siphoning and even siphoning disappears. The apparatus comprises a hollow floater, anchor cables, an air chamber, a siphon, an exhaust pipe, an air supplement pipe, and a one-way valve; the hollow floater is arranged on the water level in the front of the slope, the bottom of the hollow floater is connected to a foundation through the anchor cables, the air chamber is formed in the hollow floater, one end of the siphon is extended below the underground water level of the slope, the other end of the siphon is passed through the air chamber below sea water level, one end of the exhaust pipe is extended below the underground water level at the rear edge of the slope, the other end of the exhaust pipe is connected to the air chamber, and the air supplement pipe is arranged at the upper end of the air chamber.

The invention relates to the production technology of flexible graphite paper, in particular to a flexible graphite paper calendering device. The flexible graphite paper calendering device is composed of a plurality of sequentially-arranged calenders 2. Each calender is composed of a rack 3, a driving compression roller 4, a driven compression roller 5, a compression roller transmission mechanism and an adjusting mechanism for adjusting a calendering gap formed between the two compression rollers, wherein the adjusting mechanism comprises bearing boxes arranged inside the two sides of the rack, and further comprises a wedge-shaped sliding block and an electric control device of the calendering gap adjusting mechanism, the bearing boxes are in threaded connection with a screw rod of a first worm and gear mechanism, the wedge-shaped sliding block is in sliding fit with the inclined lower bottom edges of the bearing boxes and provided with the inclined upper surface, and the wedge-shaped sliding block is in threaded connection with a screw rod of a second worm and gear mechanism installed on one side of the rack. The flexible graphite paper calendering device has the advantages that independent transmission mechanisms of the calenders are arranged, the device is compact, the using effect is good, and maintenance and disassembly are convenient; the calenders with the same size and diameter are arranged at intervals, loosening and tensioning pressure is applied to graphite paper, and calendering and extending are facilitated; intelligent closed-loop control is adopted, precision of graphite paper calendering thickness is controlled to be high, and control is flexible and reliable.

The skid-mounted equipment for treating mine sewage disclosed by the present invention comprises a first lift pump, a first-level treatment unit, a second lift pump, a second-level treatment unit, a third lift pump, a third-level treatment unit, The fourth lifting pump, the fourth-stage processing unit, the first lifting pump to the fourth lifting pump are all connected to the first water turbine, and also include the first filter, and the water outlets of all the first water turbines are connected to the first filter, and the four-stage The water outlets of the processing unit and the first filter are connected with the fifth lift pump, and the fifth lift pump is connected with the second water turbine, and the water inlet of each first water turbine and the second water turbine is connected with a bottom water pipeline. The installed equipment has no power supply, and the treated water is directly used in the production process of the mining face; the mine sewage treatment method of the present invention realizes the power without power supply in the entire driving process, meets the safety requirements for sewage treatment in coal mines, and can be widely used.

The invention discloses bearing springs of a shaking rotating rack for the tin discharge of a ceramic die. Each spring comprises a spring body, a thread connecting rod, a seat ring and a location pin, wherein the shaking rotating rack for the tin discharge of the ceramic die comprises a base and a base plate. The base is provided with thread holes, and the base plate which is provided with location holes are fixed on the ground. The thread connecting rod is fixed on the upper end of the spring body; the seating ring is fixed on the lower end of the spring body, and the aperture of the seating ring is larger than that of one location hole; the location fixed by a pin in the center of the seating ring is extended downwardly. The bearing springs of the shaking rotating rack for the tin discharge of the ceramic die have a simple structure. When in use, the bearing springs can form a shock buffer area between the base plate and the base, and simultaneously make the whole structure more convenient during assembling and disassembling. The bearing springs are suitable for ceramic die manufacturing.

The invention relates to a multifunctional ultrasonic scalpel for tumor treatment. The ultrasonic scalpel comprises a first handle and a second handle, wherein the first handle and the second handle are fixed in a detachable fixed manner through a fixing mechanism, and are arranged in a scissor-shaped structure; blades are arranged at front ends of the first and second handles, and rings are arranged at tail ends of the first and second handles; the fixing mechanism comprises a fixed base, a rotating shaft and a switching block; a first rotary cavity is formed in the fixed base; the bottom of the cylinder-structure rotating shaft is extruded outward to form a clamping part; the clamping part is arranged in the first rotary cavity, so that the rotating shaft can be fixed on the fixed base in a rotating manner; and the switching block is fixed at the top of the rotating shaft. The multifunctional ultrasonic scalpel combines functions of blade and scissor ultrasonic scalpels into a whole, is convenient for surgical operation, has good stability and good safety, and can be used for reducing surgical risks.

A special icehouse of hydroelectric engineering consists of ice storing house, ice harrowing machine, hoisting system of ice harrowing machine, ice gate, hoisting system of ice gate, cold air fan, ice screw conveyor and ice outgoing gate. It features that left side plate, right side plate and base plate of ice storing house are prepared by welding steel plate and channel steel together and partial root part of chain wheel tooth on ice harrowing machine is formed in wedge shape.