14results about How to "Does not affect circulation" patented technology

The utility model relates to the technical field of municipal drainage, and discloses a vertical grate type gutter inlet structure which comprises a water inlet frame, the right side of the water inlet frame is fixedly connected with a fixing frame, the front side and the rear side of the right end of the water inlet frame are fixedly connected with fixing plates, and the upper side and the lower side between every two adjacent fixing plates are rotationally connected with rotating rods. A filter screen is arranged on the outer sides of the rotating rods, the two rotating rods are in transmission connection through the filter screen, a plurality of paddle plates are fixedly connected to the periphery of the inner wall of the filter screen, a sliding groove is formed in the bottom between every two adjacent fixing plates, and a mounting plate is slidably connected to the inner side of each sliding groove. According to the device, the water inlet frame, the pulp plate and the filter screen are matched, impurities can be cleaned and collected, meanwhile, the filter screen can be automatically cleaned, and the baffle can be adjusted to shield and intercept the impurities according to the weight of the impurities through the matching of the baffle, the movable plate and the rotating block.

The utility model discloses a large -scale casting turning device, including base, the upper surface both ends of base symmetry is provided with at least two fixed blocks, is provided with the guide rod between two corresponding fixed blocks at the both ends of base, is provided with two trapezoidal seat on the guide rod and slides, the upper surface of trapezoidal seat is installed T -shaped piece, and the upper surface of T -shaped piece is provided with U -shaped groove. Large -scale casting only needs to install the rotating shaft or rotating column etc. at its both ends, then through hoisting equipment places it in the U -shaped groove of T -shaped piece, can form a stable gyrostat. The turning process does not need complicated hoisting positioning and repeated adjustment, only needs to exert a suitable initial force (such as human power or simple mechanical power), can utilize gravity or inertia and realize the 180 degree turning of casting. Significantly shorten the turning time, simplify the operation process, improve production efficiency.

The utility model discloses a hoisting type heat recovery fresh air machine which comprises a machine shell, an outdoor air inlet and an outdoor air outlet are formed in the side wall of the machine shell, and a first inserting groove and a second inserting groove are formed in the machine shell. The first inserting groove is located in the inner side of the outdoor air inlet and communicated with the outdoor air inlet. The second inserting groove is positioned on the inner side of the outdoor air outlet and is communicated with the outdoor air outlet; a first filter element and a second filter element are respectively inserted into the first inserting groove and the second inserting groove; outdoor fresh air passes through the outdoor air inlet and the first filter element and then enters the machine shell. And indoor air in the machine shell passes through the second filter element and then is exhausted from the outdoor air outlet. The hoisting type heat recovery fresh air machine can solve the problems that when the filter element of the hoisting type fresh air machine is replaced, the cover plate needs to be dismantled, and operation is inconvenient, and the filter element replacement process is simpler, more convenient and faster.

The utility model discloses a flue gas dry desulfurization device for a biomass boiler, which comprises a square pipe, a flue gas inlet pipe is mounted on one side of the square pipe, a flue gas exhaust pipe is mounted on the other side of the square pipe, a flue gas exhaust fan is mounted in the flue gas exhaust pipe, a butt joint pipe is mounted in the flue gas inlet pipe, a flange pipe is mounted on one side of the butt joint pipe, and a flue gas outlet pipe is mounted on the other side of the flange pipe. And an activated carbon round rod is mounted in the butt joint pipe. The flue gas desulfurization device is provided with the flue gas inlet pipe, the flange pipe, the butt joint pipe, the activated carbon round rod, the through hole and the rubber ring, flue gas desulfurization treatment is achieved, the flue gas desulfurization device is small in size, compact in structure, small in occupied space, convenient to carry and low in cost, the flange pipe can be connected with a flue, flue gas can be directly conveyed into the butt joint pipe, and the flue gas desulfurization effect is improved. In cooperation with the arrangement of the activated carbon round rods and the through holes, the flue gas can uniformly penetrate through the interiors of the activated carbon round rods, and the activated carbon can adsorb sulfur dioxide in the flue gas so as to realize desulfurization treatment on the flue gas.

The utility model relates to sweet potato processing technical field discloses a rotatable all -round sweet potato processing drying device, include: drying box, the bottom surface is equipped with a plurality of supporting legs, and the front side is hingedly equipped with sealed baffle door, the circulation drying subassembly includes the heating plate and circulation fan, and the heating plate symmetrical fixedly arranged on the inside wall of drying box, and the circulation fan is fixedly arranged on the upper wall of drying box, and its air inlet end stretches into drying box, and the air outlet end is connected with the circulation pipe, and the other end of circulation pipe stretches into the inside lower end of drying box, the drying frame includes the shaft and the tray, and the shaft rotatoryly connected is equipped in drying box, and is driven by the reduction motor fixedly arranged on the bottom surface of drying box, and the tray is fixedly arranged on the lateral wall of the shaft, and the tray bottom surface and lateral wall are equipped with mesh, and the tray is detachably equipped with the cover plate, the utility model's advantage lies in: setting rotation structure makes the degree of sweet potato contact heat source in the drying process to be about the same, ensures the drying quality consistency.

This utility model discloses a rebar connecting sleeve forming device, belonging to the field of rebar sleeve technology. It includes an operating table, with a support plate fixedly connected to one side of the top of the operating table. A tapping machine is fixedly connected to the upper outer side of the support plate, and a cooling mechanism is provided on one side of the tapping machine. A transmission mechanism is provided on the side of the top of the operating table away from the support plate, and a sleeve body is provided on the top of the transmission mechanism. An electric telescopic rod is fixedly connected to the lower side of the support plate, with a first clamping block on one side of the electric telescopic rod and a second clamping block on the side of the top of the operating table away from the electric telescopic rod. This utility model includes a transmission mechanism; a conveyor belt can deliver the sleeve body to below the tapping machine. A hydraulic cylinder, by driving two limiting plates, can push the sleeve body, keeping it aligned on a straight line. When the conveyor belt is running, the limiting plates move away from the sleeve body. Through the action of the conveyor belt and the limiting plates, the sleeve body can be kept stable during movement.

The application provides a pressure relief device for liner hanger, which comprises a ball seat shell, a pressure receiving seat arranged in the ball seat shell, a ball seat mechanism arranged on the pressure receiving seat and capable of being connected with a pressure holding ball, wherein after the pressure holding ball is put in, the pressure holding ball falls on the ball seat mechanism to hold pressure above, the liner hanger is hung, and then the pressure holding is continued to open the pressure holding environment in the pipe for circulating well cementation operation. The liner hanger can be hung by putting the ball in the liner to hold pressure, the pressure in the pipe is slowly released through the pressure relief mechanism by continuing to hold pressure, and besides, the conventional liner string structure is not changed, the installation is simple and convenient, and the sealing is reliable.

The utility model discloses a plastic pipe fitting for quick repair, which relates to the technical field of pipeline repair, and comprises a pipe fitting main body, a sealing rubber ring and a sealing locking piece, the pipe fitting main body comprises a hot melting bell mouth section, a sealing section and a first connecting section, and the hot melting bell mouth section is coaxially connected with the sealing section; the first connecting section is connected with the hot melting socket section and arranged outside the sealing section to form a double-layer structure, a gap exists between the first connecting section and the sealing section, a second to-be-repaired pipe is inserted into the sealing section, internal threads are arranged in the first connecting section, the sealing locking piece is a pipe body and comprises a rotating section and a second connecting section, external threads are arranged outside the second connecting section, and the rotating section is connected with the second connecting section. A second to-be-repaired pipe is inserted into the sealing locking piece, the second connecting section is inserted into the gap, the external thread is connected with the internal thread, and the sealing rubber ring is located between the second to-be-repaired pipe on the sealing section and the sealing section. By means of threaded screwing and annular sealing, operation is convenient, pipeline connection is few, water circulation is not affected, and potential quality hazards of a connector are avoided.

The utility model provides an oxygenation controller with good waterproofness, which relates to the technical field of oxygenation controllers, and comprises a controller shell, a controller body is arranged in the controller shell, a connection positioning structure is arranged on the controller shell, a sealing plug-in cover plate structure is arranged at the joint of the connection positioning structure, and a waterproof cover plate is arranged on the sealing plug-in cover plate structure. The sealing plug-in cover plate structure is plugged in the connection positioning structure to achieve positioning installation and multiple sealing protection functions, waterproof heat dissipation structures are arranged on the two side walls of the controller shell, the connection positioning structure is arranged on the controller shell, a plug-in sealing groove is matched with a sealing gasket, and the waterproof heat dissipation structures are arranged on the two side walls of the controller shell. According to the sealing plug-in cover plate structure, a fitting sealing foundation is provided for the sealing plug-in block in the sealing plug-in cover plate structure, when the sealing plug-in block is inserted into the plug-in sealing groove and is tightly fitted with the sealing gasket, a first effective sealing defense line is formed, and external water can be greatly prevented from permeating from the front face connecting position.

The utility model provides a kind of washing barrel workshop metal is used to steam tank caustic soda cooking device, including bottom plate, its top is fixedly connected with mounting frame, multiple through holes are equipped on bottom plate, door frame is rotatably connected on mounting frame side, mounting frame is equipped with the fixed component that door frame is limited, mounting frame and door frame are all fixedly connected with filter screen and the support component of support filter screen, mounting frame, bottom plate and filter screen form a holding groove between, multiple lifting lugs, its opposite fixed mounting is in mounting frame. This kind of washing barrel workshop metal is used to steam tank caustic soda cooking device, can play the effect of improving caustic soda cooking effect, and the setting of filter screen ensures the placement of metal, and does not affect the circulation of lye, improves caustic soda cooking effect.

This utility model relates to the field of assisted reproductive technology, specifically to an embryo transfer tube, comprising a first tube segment and a second tube segment connected to each other. The inner diameter of the second tube segment is larger than that of the first tube segment. A piece of absorbent cotton is placed inside the second tube segment. An annular limiting seat is provided on the inner wall of the second tube segment at the end away from the first tube segment, and the inner diameter of the annular limiting seat is smaller than that of the second tube segment. By setting an annular limiting seat at the end of the larger-diameter second tube segment, this utility model can reduce the air intake cross-sectional area, increase airflow resistance, and make the negative pressure generated by the suction bulb more gradual. This facilitates the operator's precise control of the embryo aspiration position, thereby reducing the risk of embryos being accidentally aspirated into the second tube segment. Simultaneously, the absorbent cotton placed inside the second tube segment further intercepts any embryos and fluids that may be accidentally aspirated.

The utility model discloses an illuminating lamp with an efficient heat dissipation function, which belongs to the field of illumination and comprises an illuminating lamp, the top of the illuminating lamp is fixedly connected with a connecting piece, the top of the connecting piece is fixedly connected with a mounting screw socket, the surface of the illuminating lamp is fixedly connected with a heat dissipation fin ring, the surface of the illuminating lamp is fixedly connected with a mounting ring, and the mounting ring is fixedly connected with the heat dissipation fin ring. A limiting groove is formed in the mounting ring, a rotating ring is rotationally connected to the inner wall of the limiting groove, and an inner gear is fixedly connected to the top of the rotating ring; according to the LED lamp, the heat dissipation fin ring and the interception net are integrated, the heat dissipation fin ring provides a main heat dissipation surface area and rapidly dissipates heat in the lamp, the interception net serves as a protection layer to prevent dust particles from entering fin gaps, protection is achieved on the premise that air circulation is not affected, the interception net is directly arranged outside the heat dissipation fin ring in a sleeving mode, and the heat dissipation effect is good. And the structure is compact, is suitable for compact lamp design, and can be repeatedly used through scraper cleaning.

The present application relates to the technical fields of gas field wellhead, and specifically relates to a gas field wellhead control device, which comprises a controller, an electric actuator, a valve rod, a throttle valve, an air inlet and an air outlet; the electric actuator is fixedly installed on one side of the controller, the valve rod is fixedly installed on the bottom of the electric actuator, the throttle valve is fixedly installed on the bottom end of the valve rod, the air inlet is arranged on the bottom end of the throttle valve, the air outlet is arranged on the side of the throttle valve, the device further comprises a leakage prevention mechanism and an auxiliary sealing mechanism, the leakage prevention mechanism is fixedly installed in the throttle valve, and the auxiliary sealing mechanism is fixedly installed in the throttle valve, the present application solves the problem that the rubber ring on the valve core of the throttle valve of the existing gas field wellhead control device is prone to aging during long-term use, causing the sealing valve core to leak, thereby greatly reducing the sealing effect and service life, and realizes the automatic sealing of the gas field wellhead control device to prevent leakage.