23results about How to "Reduce injection volume" patented technology

A first contact hole at the top of a source region is directly composed of a material layer of a front metal layer filled in an opening of the first contact hole, the front metal layer is made of AlSiCu, and the content of Si in the AlSiCu reaches a saturation value; the AiSiCu of the first contact hole directly forms ohmic contact with the source region and the semiconductor material of the first epitaxial layer of the second conductive type well, and by utilizing the characteristic that the content of Si in the AlSiCu reaches a saturation value, the sharp convex defect is prevented from being formed when the A1Cu directly contacts with the semiconductor material of the first epitaxial layer; by utilizing the characteristic that the resistivity of AlSiCu is greater than that of AlCu, the forward conduction voltage drop of the body diode is increased, and the reverse recovery characteristic of the device is improved. The reverse recovery charge can be reduced, and the reverse recovery characteristic of the device can be improved.

The invention discloses a deep in-situ resource composite fluidization mining method. The method comprises deep in-situ resource liquefaction mining, deep in-situ resource gasification mining and deep in-situ resource reinforcement and degradation. Wherein deep in-situ resource liquefaction exploitation is realized through combination of well group hydraulic fracturing and organic solvent dissolution; in the deep in-situ resource gasification mining, the residual solid coal resources after liquefaction are gasified and combusted, and heat extraction is achieved through heat exchange; in the deep in-situ resource reinforcement and degradation process, during filling reinforcement, residual coal resources are continuously utilized through the degradation effect of microorganisms; integrated mining is formed through mutual cooperation of liquefaction, gasification and microbial degradation of deep in-situ resources, the utilization efficiency of deep in-situ resource conversion is greatly improved, the resource recovery rate is remarkably improved, underground residual chemical reagents are treated, the problem of environmental pollution is effectively relieved, and the method is suitable for industrial production. And a technical support is provided for the development of a deep in-situ resource fluidization mining theory.

The invention discloses a replaceable silica gel part forming mold suitable for production of various silica gel saddles and application thereof.The mold comprises a leather pressing plate (1) and a lower mold (2) which are arranged in an up-down matched mode, and the upper surface of the lower mold (2) is provided with an inwards-sunken silica gel injection mold cavity (4); a silica gel injection mold cavity (4) is formed in the upper surface of the lower mold (2), a vacuumizing cavity (5) which is concave inwards is also formed in the lower surface of the lower mold (2), a plurality of through holes (6) are formed between the silica gel injection mold cavity (4) and the vacuumizing cavity (5), a lower mold plate (7) is further detachably arranged below the lower mold (2), and a vacuumizing hole (14) communicated with the vacuumizing cavity (5) is further formed in the lower mold (2). The mold is simple in structure and convenient to use; the lower die of the die can be replaced according to different requirements; the shape of the silica gel required to be obtained in the production is controllable, and the customization requirement of a customer can be met; the silica gel injection amount is smaller than that of a traditional process.

The utility model relates to a head support matched with an angiography machine to fix a head and accurately measure. The head support comprises a base, the top of the base is connected with a limiting mechanism used for containing the head through a supporting mechanism, and the limiting mechanism is a U-shaped groove obliquely formed in the front-back direction. A through hole is formed in the limiting mechanism, and a calibration ball is arranged in the through hole; restraint straps for fixing the head are arranged on the left side and the right side of the limiting mechanism, and calibration balls are arranged on the restraint straps; the average value of the diameters of two calibration balls which are located on the two sides of the angiography blood vessel in the DSA angiography result and have the same distance with the angiography blood vessel is used as the calibration value, or the diameter of the calibration ball which is located on the same plane with the angiography blood vessel and the plane is parallel to the DSA detector is used as the calibration value, or the diameter of the calibration ball closest to the angiography blood vessel is used as the calibration value; according to the utility model, the calibration ball is arranged on the head support, the size of angiography blood vessels is accurately measured by the diameter of the calibration ball displayed on the DSA detector, the head of a patient is fixed to obtain a clear image, and the contrast agent injection amount and the X-ray exposure dose are reduced.

The invention discloses a multi-point single-point gas-liquid double-injection methanol engine. The multi-point single-point gas-liquid double-injection methanol engine is characterized in that an inlet of a gas inlet channel methanol gas rail is communicated with a first outlet of a methanol pump; the multi-point methanol nozzle group is arranged at the methanol gas rail of the gas inlet channel, and is used for spraying methanol liquid to a plurality of cylinder cover gas inlet channels corresponding to the multi-point methanol nozzle group; an inlet of the methanol evaporator is communicated with a second outlet of the methanol pump; an inlet of the gas methanol common rail is communicated with an outlet of the methanol evaporator; an inlet of the single-point methanol nozzle is communicated with an outlet of the gas methanol common rail; the single-point methanol nozzle is arranged on the methanol-air mixer and is used for spraying methanol gas into the methanol-air mixer, and the gas inlet end of the methanol-air mixer is communicated with the gas outlet end of the throttle valve; and the control system is in electrical data connection with the components. The methanol evaporation level can be improved by adjusting the injection amount of single-point injection of the air inlet channel, and the problem that the power and torque of a traditional methanol engine are difficult to improve due to insufficient evaporation heat is solved.

A concentrated water treatment device for methanol-to-olefins (MTO) belongs to the field of methanol-to-olefins technology. The concentrated water treatment device consists of a wastewater stripping system, a concentrated water recycling system, and a concentrated water treatment system. The wastewater stripping system comprises a water mixing tank, a wastewater feed pump, inlet and outlet heat exchangers, a wastewater stripping tower, a reboiler, and a purified water pump. The concentrated water recycling system comprises a cooler, a reflux tank, and a concentrated water reflux pump. The concentrated water treatment system comprises a concentrated water storage tank, a mixed oil tank, and a mixed oil delivery pump. This invention adds a concentrated water treatment system, allowing the treated concentrated water to be returned to the system for further recycling, while the generated mixed oil is delivered externally, improving the economic efficiency of the unit. It optimizes the wastewater stripping tower system process, ensuring the stripping effect of the wastewater stripping tower and reducing energy consumption. The treated concentrated water ensures the quality of the purified water, meeting the water requirements of downstream units. It reduces the amount of grease generated in the alkaline washing tower of the separation unit, indirectly reducing the amount of grease inhibitor injected.

The invention discloses a compressor lower cover, a vertical compressor and an air conditioner, the compressor lower cover comprises a lower cover body, the lower cover body is provided with an oil pool for containing refrigeration oil, the oil pool is of a conical structure, and the wider end of the oil pool is located above the narrower end of the oil pool; when the compressor is in a horizontal or inclined working state, the oil level of refrigeration oil in the oil pool is higher than the effective surface of an oil pump of the compressor. According to the compressor, the oil pool is designed to be of the conical structure, compared with the prior art, in order to achieve the same horizontal state oil liquid level height, less refrigerant oil needs to be injected, the injection amount of the refrigerant oil is reduced, and then the overall weight of the compressor is reduced.

The utility model discloses an oil leakage prevention double-side shear pinch roll structure which comprises a roll head, a taper sleeve, a roll shaft, a roll end bearing sealing assembly, a roller, a shaft end bearing sealing assembly, a reduction gearbox, a coupler and a motor, and is characterized in that the roll end bearing sealing assembly comprises a framework seal I and a framework seal II; the shaft end bearing sealing assembly comprises two third framework seals. According to the structure and the roller end, a double-framework sealing and single-framework sealing combined mode is adopted, an independent glycerin lubricating structure is arranged, the phenomenon of oil leakage of the roller head can be effectively eradicated, stable operation of the pinch roller in the steel plate shearing process is guaranteed, and the steel plate shearing quality is reduced. The shaft end double-framework sealing structure effectively prevents leakage of reduction gearbox oil and can lubricate the shaft end conical bearing, the injection amount of reduction gearbox oil is reduced, compared with an original design mode, the roller shaft in the roller has no oil resistance, the roller shaft rotates more flexibly, and the motor efficiency is improved.

The utility model relates to the technical field of handles, in particular to a light damping type semi-hollow handle which comprises a nylon handle and a damping hollow cavity, an injection molding end is arranged at one end of the outer portion of the nylon handle, and the damping hollow cavity is arranged at the other end of the outer portion of the nylon handle. The injection molding end part extends inwards to form a glass fiber rod hollow cavity part, the damping hollow cavity extends to the front end position of the glass fiber rod hollow cavity part, a glass fiber rod main body is inserted into the injection molding end part, and the glass fiber rod main body is inserted into the glass fiber rod hollow cavity part; the inner side of the damping hollow cavity is contacted; the problems that in the prior art, an existing glass fiber handle is a combined handle, when a glass fiber rod serves as a handle material, an integral injection molding mode is adopted, the glass fiber rod extends to the tail end of a hammer handle and extends to the tail portion of the hammer handle, and compared with a plastic material, the glass fiber rod is high in cost and has a certain requirement for the glass fiber material are solved.

A special preshrinking device for textile printing pretreatment, comprising a front frame, a front fixed roller, a front roller connector, an air jet chamber, a pretreatment roller, an air inlet pipe, a rear frame, a rear fixed roller, a rear roller connector, a preshrinking assembly, and an adjusting assembly; the front frame is arranged at one end of the air jet chamber; the front fixed roller is arranged between the front frames; the air jet chamber is a hollow structure, and an air jet chamber opening is formed at both ends of the air jet chamber; a guide roller is arranged in the air jet chamber opening; the pretreatment roller is arranged transversely in the air jet chamber; the air inlet pipe is arranged transversely at the top of the air jet chamber; the rear frame is arranged at one end of the air jet chamber, symmetrically, and each rear frame is fixedly connected to the outer shell at one end of the air jet chamber; the rear fixed roller is arranged between the rear frames; the preshrinking assemblies are arranged in a square staggered manner; and the adjusting assemblies are arranged on both sides of a preshrinking assembly. The present invention has a fast wetting rate, reduces the amount of steam injection, and can accurately control the moisture content of the preshrinked textile.

The utility model belongs to the field of ammonia-diesel oil dual-fuel engines, and discloses a nozzle cooling structure of a marine ammonia-diesel oil dual-fuel engine. Comprising an ammonia fuel injector, a conveying pipeline for conveying an injection object to the ammonia fuel injector and a diesel injector, in the ammonia fuel mode, an injection substance supplied to the ammonia fuel injector by the conveying pipeline is ammonia fuel; in the diesel oil mode, an injection object supplied to the ammonia fuel injector by the conveying pipeline is liquid which is used for refrigeration and does not react with ammonia gas and diesel oil and is used for refrigeration. The problem of nozzle dry burning of the ammonia fuel injector in a diesel oil mode is solved, and the service life is prolonged.

This invention provides a membrane solution container, a coating device, and a coating method for an implantable sensor. The membrane solution container has a membrane solution tank including an edge region and a central region for holding the membrane solution. The central region is for immersing the implantable sensor. The edge region is connected to the central region and extends outward around the central region. The bottom wall of the edge region is higher than the bottom wall of the central region's immersion tank, and the height difference between the bottom wall of the edge region and the bottom wall of the immersion tank is less than the coating depth setting value of the implantable sensor. This makes the membrane solution tank equivalent to a stepped expansion around the perimeter compared to existing membrane solution tanks. The implantable sensor is immersed in the central region's immersion tank for coating, thereby avoiding or even eliminating the influence of surface tension on the coating depth. Furthermore, the immersion tank of the membrane solution container has several protrusions inside, which can reduce the amount of membrane solution used while ensuring the same coating depth and coating quantity.

The invention discloses a miniature micro-injection and sampling device which comprises a liquid storage device and a power device, a mounting seat is fixed at one end of the power device, the liquid storage device is detachably mounted on the mounting seat, the liquid storage device comprises a liquid storage cylinder and a piston movably arranged in the liquid storage cylinder, and the power device is used for driving the piston to do reciprocating rectilinear motion in the liquid storage cylinder; the power device is provided with a push-pull rod, one end of the push-pull rod is provided with a piston locking mechanism, the piston locking mechanism comprises a locking block and a locking reed, the end, facing the piston locking mechanism, of the piston is provided with an assembling groove with an internal thread, and the piston is locked in the assembling groove in the process that the power device drives the push-pull rod to stretch out towards the liquid storage device. The push-pull rod can push the locking block and the locking reed to extend into the assembling groove, and meanwhile the locking block can open the locking reed so that the locking reed can be clamped with the internal thread to achieve locking. The device has the injection and sampling functions, the piston and the liquid storage device can be quickly and automatically locked, and the operation efficiency is improved.

The invention discloses a post-treatment device for ship tail gas, and belongs to the technical field of ship tail gas treatment.The post-treatment device comprises a gas inlet box, the two sides of the gas inlet box communicate with a gas inlet pipe and a gas outlet pipe correspondingly, a piston plate is installed in the gas inlet box in a sliding and sealing mode, and a controller, a driving motor and two water pumps are fixedly installed at the top of the gas inlet box; the driving motor is used for driving the water pump to operate, and the rear side of the air inlet box is fixedly connected with a rotating motor. The desulfurizing tower is used for desulfurizing the tail gas; the desulfurizing tower is used for desulfurizing tail gas, the denitration tower is used for realizing denitration of the tail gas, spraying mechanisms and stirring mechanisms are arranged in the desulfurizing tower and the denitration tower, and a communicating pipe is communicated between the desulfurizing tower and the denitration tower. The content of pollutants in treated tail gas is monitored through the arranged sensor, and the dosage of the treatment solution and the gas inlet speed of the treatment device are automatically adjusted according to the monitoring result, so that it is guaranteed that the pollutants in the tail gas are thoroughly purified, and meanwhile resource waste is avoided.

The present invention relates to the technical field of road repair, and specifically to a foamed asphalt generating device and a method for using the same, comprising: a hollow suspension shaft is inserted from top to bottom into the inner cavity of a foaming box, the lower end of the hollow suspension shaft is fixedly connected to a hollow cylinder, the blade width of a guide vane is smaller than the radius of the hollow suspension shaft, and the guide vane drives water and air to have a tendency to flow from bottom to top; a protective cover is sleeved on the outer side of the hollow cylinder and fixedly connected to the hollow cylinder, a spray assembly itself is arc-shaped and tilted, and the other end of the spray assembly is connected to the inner cavity of the hollow cylinder; the beneficial effect is: by inserting a hollow suspension shaft from top to bottom into the inner cavity of the foaming box, the lower end of the hollow suspension shaft is connected to the hollow cylinder, during the spraying process, the protective cover rotates slowly, and water and air are gradually sprayed into the surrounding asphalt, after the asphalt is gradually foamed, the viscosity of the protective cover is reduced, and the rotation speed of the protective cover is gradually increased, which effectively improves the dispersion degree of water and air and improves the performance index of the foamed asphalt.

The utility model discloses a nitrogen gas purging device based on natural gas compressor unit relates to natural gas compressor technical field, including the nitrogen making system, pressure reducing valve, flowmeter, filler box, discharge pipeline that connect gradually, nitrogen making system is used to produce pure nitrogen, pressure reducing valve is used for adjusting pressure, flowmeter is used for real -time display nitrogen flow, and filler box is connected with pressure difference control valve, temperature transmitter and pressure transmitter, and temperature transmitter and pressure transmitter are used for monitoring the cavity pressure of filler box, and pressure difference control valve is used for real -time monitoring the cavity pressure of filler box and the pressure of discharge pipeline, and maintain the pressure of former is higher than the pressure of latter 0.05MPa 0.2MPa, and filler box still is connected with compressor crankcase and compression cylinder. The mode of constant differential pressure control can ensure that the sealing reliability under extreme working condition, and the nitrogen flow control is optimized, and the loss is reduced and the filler life is prolonged, adopts the modular design, simplifies the installation and maintenance process, and is suitable for old unit reconstruction.

The present invention belongs to the technical field of liquid injection of Chinese medicine eye patch, and is particularly directed to a liquid injection device and process for producing equal-volume Chinese medicine eye patch. It includes a workbench, the workbench is slidably connected to a first electromagnetic slider, the first electromagnetic slider is fixedly connected to a support frame, the support frame is fixedly connected to a fixed block, the support frame is fixedly connected to a liquid injection pipeline, the fixed block is rotatably connected to a hollow shell, the hollow shell is fixedly connected to a sleeve, the hollow shell is limitedly slidably connected to a truncated cone block, and the truncated cone block is provided with a first truncated cone channel. The present invention impacts the adjacent hollow shell through the movement of the truncated cone block. When the liquid injection is completed, the truncated cone block vibrates, causing the liquid medicine attached to the first truncated cone channel to be vibrated, thereby accelerating the dripping of the liquid medicine attached to the first truncated cone channel, thereby preventing the liquid medicine from hanging on the first truncated cone channel, resulting in a reduction in the amount of liquid medicine injected into the forming hole, so that the equal-volume discharge of the liquid medicine is affected.

The present invention belongs to the technical field of heated cigarettes, and discloses a flavoring device and a cigarette core base rod production line. The device comprises a thin sheet unwinding component, a nozzle, a conveying component and a storage barrel, wherein flavor is stored in the storage barrel, the nozzle is connected to the storage barrel, the conveying component conveys the flavor to the nozzle, the nozzle can spray the flavor onto the thin sheet, the conveying roller conveys the thin sheet to the bottom of the nozzle, the conveying component comprises a screw pump, and the screw pump can change the amount of flavor conveyed; the problem that the amount of flavoring cannot be accurately measured according to the weight of the thin sheet in the prior art is solved, resulting in large fluctuations in the sensory quality of the product.

The present invention provides a pipeline cleaning method, comprising the following steps: A. a soluble cleaning device installation step, closing the pressure source of pipeline transportation, and the soluble cleaning device enters the pipeline from the front end of the pipeline through a sending device; B. a pipeline opening step, opening the pressure source, and the pressure pushes the soluble cleaning device forward; C. a pipeline cleaning step, the movement of the soluble cleaning device drives the accumulated liquid and dirt in the pipeline to move forward; D. a recovery step, the accumulated liquid and dirt in the pipeline, together with the soluble cleaning device, enter the waste liquid recovery device connected to the pipeline at a specific position of the pipeline under pressure. The beneficial effects of the present invention are high efficiency and environmental protection and energy saving.

The utility model relates to the technical field of automobile manufacturing, in particular to an automobile side door lock cover plate. In order to improve the assembling efficiency of the automobile side door lock cover plate, the automobile side door lock cover plate comprises a cover plate body, the cover plate body comprises a first cover body and a second cover body, the width of the cross section of the first cover body is smaller than that of the cross section of the second cover body, and the width of the cross section of the second cover body is larger than that of the first cover body. The side face of the first cover body is provided with a clamping groove used for being connected with an accessory in a clamping mode, and the two ends of the clamping groove extend to the connecting portion of the first cover body and the second cover body. The automobile side door lock cover plate is connected with the fish mouth opening of the matching part in a semi-wrapping mode, a half of reserved space is reserved during installation, the automobile side door lock cover plate can be easily installed at a proper position, and the installation efficiency of the automobile side door lock cover plate can be effectively improved.

This invention discloses a zinc concentration control device for primary loop zinc addition, relating to the field of nuclear reactor coolant treatment technology. The invention includes a loop pipe with a monitoring component installed on its inner wall. An injection pipe is connected to one side of the top of the loop pipe, and a housing is fixedly connected to the top of the injection pipe. A flow control component is installed inside the housing. This invention forms a three-level distributed detection network—an inlet section, a middle section, and an outlet section—through a micro ion chromatography detection module. This network can collect zinc concentration gradient data in real time, achieving comprehensive monitoring of zinc concentration changes. When the zinc concentration is detected to be rising close to a threshold, the control mechanism can quickly start a motor, driving an adjusting disc to rotate. By adjusting the offset between the adjusting disc and the arc-shaped opening on the surface of the fixed disc, the injection volume of depleted zinc acetate solution is precisely reduced, thereby effectively controlling the zinc concentration in the loop and ensuring that the zinc concentration is maintained within a suitable range.

The embodiment of the present application provides a method for calculating and controlling the amount of urea injection, including: obtaining the engine operating conditions and the actual ammonia storage value; determining the minimum ammonia storage setting value and the maximum ammonia storage setting value according to the engine operating conditions; determining the urea injection state according to the minimum ammonia storage setting value and the maximum ammonia storage setting value, if the actual ammonia storage value reaches the maximum ammonia storage setting value, reducing the urea injection amount until the actual ammonia storage value drops to the minimum ammonia storage setting value, increasing the urea injection amount, and increasing the ammonia storage value, so that the ammonia storage value fluctuates within the range of the minimum ammonia storage setting value to the maximum ammonia storage setting value. This method allows the engine ammonia storage to fluctuate within the range of the minimum ammonia storage setting value to the maximum ammonia storage setting value, effectively improving the engine's ammonia storage capacity and greatly reducing the possibility of ammonia leakage.

The re-humidification and atomization system of the re-humidification zone of the tobacco sheet re-drying machine of this utility model includes: a re-humidification zone 1, a re-humidification zone 2, a re-humidification zone 3, a main conveyor belt, a first water tank, a second water tank, a first water pump, and a second water pump. The re-humidification zones 1, 2, and 3 are placed sequentially. The main conveyor belt passes through the main housing of the re-humidification zones 1, 2, and 3 sequentially. The high-temperature condensate recovery pipe is connected to the first water tank through a first automatic switch valve. Hot water and cold water are mixed in the second water tank and then sent to the re-humidification zones 1, 2, and 3 through the main re-humidification humidification pipe and the second pump humidification branch pipe. In the second water tank, the water tank is divided into upper and lower parts by a partition. The cold water pipe enters the upper part of the partition, and a mixing water pipe is set below the partition. Cold water enters the mixing water pipe from the cold water pipe, and hot water from the first water tank extends into the mixing water pipe of the second water tank. Small water outlet holes are evenly distributed in the part of the hot water pipe in the mixing water pipe.