35results about How to "Guaranteed unblocking" patented technology

The invention provides an internal plugging device of a pipeline. The internal plugging device comprises a central pipe. A guide cone is arranged at one end of the central pipe. A hydraulic drive sluice valve is arranged at the other end of the central pipe. A connection flange, a first lifting lug, a flange connection disk, a hydraulic cylinder, an execution sleeve, a flat key, a second lifting lug, a deblocking ring, an anchoring device, a shearing semi-ring, a sealing device, a shear-resistant semi-ring and the guide cone are sequentially arranged on a pipe body of the central pipe from the end where the hydraulic drive sluice valve is arranged to the end where the guide cone is arranged. The first lifting lug and the second lifting lug are connected with an assistance mechanism respectively. The internal plugging device can be used for blocking a large-diameter pipeline, is reasonable in structural design and easy and convenient to operate, and can guarantee stability and reliability of blocking.

The invention discloses a design of a conveyor for conveying a duodenum-jejunum embedded casing. The conveyor comprises an axial tube which is longitudinally penetrated from front to back and a guide head, an outer sheath tube, a front handle and a back handle, wherein the guide head, the outer sheath tube, the front handle and the back handle are placed from front to back. Relative sliding of the outer sheath tube and the axial tube is controlled by using the front handle which is provided with a liquid injection port; and the axial tube and a stay wire are fixed by using the back handle. An opening at the front end of a lateral tube cavity of the axial tube is positioned behind the guide head, and the stay wire penetrates into and runs through the axial tube from the opening. In the invention, functions of two conveying modes, such as a pushing mode and a line binding mode, are combined, wherein the pushing function is applicable to releasing an elastic support part of an intestinal casing while the line binding function is applicable to releasing a soft oversleeve part of the intestinal casing.

The invention discloses an efficient screening device. The efficient screening device comprises a processing barrel, an annular sliding rail is fixedly connected to the top of the inner wall of the processing barrel, screening boxes are evenly connected to the positions, located in the processing barrel, of the top of the inner wall of the processing barrel in a surrounding mode, a bearing shaft is arranged at the position, on the inner ring of the annular sliding rail, of the screening boxes in a penetrating mode, feeding holes are formed in the sides, close to the bearing shaft, of the topsof the screening boxes, and connecting seats are fixedly connected to the positions, located on one sides of the feeding holes, of the top of the surface of the bearing shaft. When mounting plates deflect upwards, connecting plates are driven to deflect upwards, so that air bags are stretched, the air bags suck external air into the air bags through air inlet pipes and air inlet one-way valves, sothat the air bags continuously blow air to filter screens and uniformly blows the air to the bottoms of the filter screens, and it can be guaranteed that screen holes blocked in all positions of thefilter screens are dredged, the dredging efficiency of the filter screens is improved, and thus the screening efficiency of crop particles is improved.

The invention discloses a boiler desulfurization and denitrification device, which comprises a treatment bottom frame, wherein the side, which is close to the lower portion, of the treatment bottom frame is fixedly communicated with an inner through pipe, the end, which is located in the treatment bottom frame, of the inner through pipe is fixedly communicated with an adjusting dredging mechanism, the top end of the treatment bottom frame is rotationally connected with a dispersing mechanism, the lower portion of the dispersing mechanism is fixedly connected with a conduction conical groove, buffer fan blades are evenly and fixedly connected to the surface, which is close to the lower portion, of the interior of the conduction conical groove, grabbing mechanisms are evenly and fixedly connected to the bottom surfaces of the buffer fan blades, a treatment top groove is fixedly connected to the top of the treatment bottom frame, a liquid storage bag is fixedly connected to the middle of the exterior of the treatment top groove, and a treatment spray pipe is fixedly connected to the middle of the interior of the treatment top groove. The invention relates to the technical field of desulfurization and denitrification. According to the boiler desulfurization and denitrification device, the dust filtering effect is achieved, meanwhile, nitric oxide and sulfur oxide are prevented from being doped in dust and discharged, treatment of the nitric oxide and the sulfur oxide is achieved, and the desulfurization and denitrification efficiency and quality are improved.

The invention relates to a high filtering bag type air box pulse dust collector, including a box body, a partition board, a first dust cleaning component, filter bags, a pulse dust cleaning component,a second dust cleaning component and a driving device. The partition board is arranged inside the box body, and a filter screen is arranged on the partition board; the inner cavity of the box body isdivided into a first filter chamber and a second filter chamber through the partition board; the first dust cleaning component cleaning the filter screen is arranged in the first filter chamber, thefilter bags are arranged in the second filter chamber; the pulse dust cleaning component is arranged on the top part of the filter bags; the second dust cleaning component cleaning the filter bags isarranged on the peripheries of the filter bags; the lower end of the box body is provided with a dust collection chamber, the side face of the box body is provided with an air inlet pipe, and the topend of the box body is provided with an air outlet pipe. According to the high filtering bag type air box pulse dust collector, twice filtration is arranged, the dust collecting effect is good, and efficiency is high; and the first dust cleaning component is used for brushing off dust on the filter screen, the second dust cleaning component and the pulse dust cleaning component are used for brushing off the dust on the filter bags, so dredging of the filter screen and the filter bags are ensured, and so continuous and efficient filtration is realized.

The invention provides a temporary plugging well killing fluid for fractured reservoirs and application and a preparation method thereof. The temporary plugging well killing fluid comprises a base solution and degradable shape memory polymer particles, the base solution is a composite gel, the degradable shape memory polymer particles are composed of polymers with different deformation recovery amounts, and the degradable shape memory polymer particles are injected into a reservoir stratum through a base solution carrying pump, enter a fractured reservoir stratum, expand due to temperature response, and recover the shape. Temporary plugging and well killing can be achieved for a fractured gas well, low-damage well repair of low-pressure-coefficient and ultralow-pressure-coefficient and low-yield gas wells can be met, the fluidity is good at the ground temperature, and pumping injection is easy. After entering the fractured reservoir, the pressure bearing performance is rapidly improved, the subsequent clear water workover fluid loss is greatly reduced, the operation safety is ensured, and the reservoir damage is reduced. Shape memory polymer particles with different degradation periods can be selected according to the operation requirements, and can be completely degraded after the operation is completed, and the flow-back and the production recovery are fast.

The invention relates to anti-clogging water-saving irrigation equipment for water conservancy projects. The anti-clogging water-saving irrigation equipment includes a base, a fixed pipe, a collectionbox, a processor, a collection mechanism, a photovoltaic mechanism and an irrigation mechanism. The collection mechanism includes a fixed frame, a frame, a disc, filter cloth, a drive assembly and aplurality of connecting rods, the photovoltaic mechanism includes a lifting plate, a lifting assembly and two photovoltaic assemblies, and each of the photovoltaic assemblies includes a vertical rod,a transmission unit, a photovoltaic panel, a rotating shaft, a horizontal rod and two casing pipes. According to the anti-clogging water-saving irrigation equipment for water conservancy projects, filtering of rainwater is facilitated through the collection mechanism, remaining impurities can be conveniently thrown out of the collection box by centrifugal force, dredging of the filter cloth is ensured, clogging is prevented, more than that, the photovoltaic mechanism generates electricity on sunny days in a photovoltaic mode, the equipment can conveniently operate independently from a power grid, the collection area is expanded on rainy days, the collection amount of rainwater is increased, and the practicality of the equipment is improved.

The invention provides a traditional Chinese medicine bacterial fertilizer produced by utilizing traditional Chinese medicine waste residues. The traditional Chinese medicine bacterial fertilizer comprises the following raw materials in parts by weight: 60-80 parts of traditional Chinese medicine waste residues with water content of 70-80%; 20-40 parts of a wet auxiliary material with a water content of 50%-75%; 30-50 parts of a dry auxiliary material with a water content of 0.1%-20%; 5-10 parts of trace elements; 5-10 parts of a fermentation inoculant; 1-2 parts of beneficial viable bacteria; and 5-10 parts of potassium fulvate. The preparation method of the traditional Chinese medicine bacterial fertilizer comprises the following steps: determining a ratio, mixing materials, fermenting, crushing and refining, granulating and supplementing bacteria. The traditional Chinese medicine waste residues serve as fermentation main materials, the water content of the fermentation raw materials is controlled within a suitable range by adding the dry auxiliary materials and the wet auxiliary materials, the drying link is omitted in the middle, the fermentation time is greatly shortened, the energy consumption and the labor cost are saved, and meanwhile the preparation method is not limited by regions and weather and is wider in applicability.

The invention belongs to the field of health food and discloses iodine-rich vegetable noodle capable of improving malnutrition. The vegetable noodle comprises, by weight, 15-25 parts of iodine-rich needle mushrooms, 5-10 parts of iodine-rich vegetable, 3-5 parts of iodine-rich eggs, 50-60 parts of wheat flour and 0.1-0.5 part of salt. The vegetable noodle is made from the iodine-rich needle mushrooms, the iodine-rich vegetable and iodine-rich eggs and can provide adequate and balanced nutrient substances for the body, and in particular, iodine can improve iodine deficiency disorders such as goiter caused by iodine deficiency, improve free radical scavenging rate of the body and enhance antioxidant capacity.

The invention relates to a powder mill, and in particular relates to a powder mill for producing activated carbon. The powder mill for producing the activated carbon can efficiently crush active carbon raw materials and perform high-grade fine screening of qualified products. The powder mill for producing the activated carbon includes a crushing tank body, a storage tank, a feeding pipe fitting, afeeding part, a grinding part, a collecting tank, an inclined pipe, a filter and an air draft part; the storage box is fixedly connected with the inner side wall of the crushing tank body, the feeding pipe fitting is fixedly connected with the bottom of the storage box, the feeding part is fixedly connected with the feeding pipe fitting, the grinding part is fixedly connected with the inner sidewall of the crushing tank body, and is located directly below the feeding part; and the inclined pipe is fixedly connected with the inner side wall of the crushing tank body. The powder mill achievesthe effect of high-efficiency crushing of the activated carbon raw materials and the high-grade fine screening of the qualified products.

The invention discloses a cylindrical direct-current vibration motor, and relates to the field of vibration motors. In the use of vibration equipment, a direct-current vibration motor is installed onequipment by using a bottom foot plane or a flange plane, the structure of the motor is relatively complicated, a relatively large installation space needs to be reserved during installation, the costcontrol of the motor and the equipment is not facilitated, and the production cost is increased. A closed cylindrical compact structure motor is formed by a round tube type shell, and a round front end cover and rear end cover; a rotating shaft and an eccentric block are all arranged in the motor; the motor is clamped and installed on the equipment through a hoop; and after the motor is electrified, the motor performs rotation motion through electro-magnetic induction, a rotor drives the eccentric block on the rotor to rotate to generate exciting force. The bottom foot or flange mounting structure of a traditional direct-current vibration motor is omitted, so that the structure is more compact, the size is smaller, and the safety protection grade is higher.

The invention discloses a gas-driven biological cell engineering incubator and a use method thereof, and relates to the technical field of biological cell engineering. According to the gas-driven biological cell engineering incubator and the use method thereof, the gas-driven biological cell engineering incubator comprises an external control mechanism for externally culturing organisms, a magnetic vibration mechanism for magnetically vibrating, an elastic splitting mechanism for elastically splitting, elastic crushing mechanisms for elastically crushing and a movable crushing mechanism for movably crushing, a slag outlet is formed in the external control mechanism, and a plurality of elastic crushing mechanisms are arranged on the inner wall of the slag outlet formed in the external control mechanism. According to the gas-driven biological cell engineering incubator and the use method thereof, the slag outlet is blocked to enable the slag outlet to descend, and a screw rod rotates and shrinks after being in contact with a first magnetic block, so that fallen leaves and soil are extruded, and dredging of the slag outlet is ensured.