31results about How to "Good pressure" patented technology

The invention relates to a pressure and non-pressure combined dual-purpose electric rice cooker and a control method thereof, and the dual-purpose electric rice cooker comprises a pot cover and a pot bottom which are arranged on a pot body, wherein an inner liner is placed on a heating disk of an inner cavity of the pot body, a sensing device and an exhaust device are arranged on the pot body, and the devices are connected with an electric control circuit on the pot body; and the sending device comprises a temperature sensing circuit and a pressure sensing circuit. The pressure and non-pressure combined dual-purpose electric rice cooker has the characteristics of simple and reasonable structure, strong practicability, complete functions, intelligence, safety and wide application range; the sensing device and the exhaust device are respectively additionally arranged on the pot cover and the pot bottom so as to detect pressure and temperature in the inner cavity of the pot body, and a program on the electric control circuit can enter into the non-pressure cooking mode or the food stewing mode according to the selection of a user and further meet the optimal pressure and temperature parameters required by different foods, thereby cooking optimal delicious foods; therefore, the pressure and non-pressure combined dual-purpose electric rice cooker integrates the functions of an electric pressure cooker and the electric rice cooker, simultaneously the single pressure judgment way of using a pressure switch of the traditional pressure cooker is changed, and the safety factor is improved.

The invention discloses a wind-resistance-adjustable vibration damper and a mounting method of the vibration damper, and belongs to the technical field of vibration hammers. The vibration hammer comprises a vibration hammer body; one end of the vibration hammer body is fixedly installed in a press-fitting assembly; a clamping and pressing device is arranged above the press-fitting assembly; the vibration hammer body and the press-fitting assembly are both installed on a cable through the clamping and pressing device. According to the wind-resistance-adjustable vibration damper and a mounting method of the vibration damper, the wind resistance area is increased, the damping effect is improved, the use efficiency is improved, the overall adjustability is improved, the stability of the adjusted damper is ensured, the stability during pressing and fixing is effectively ensured, the cable is prevented from slipping, the mounting efficiency is ensured, damage to the cable is reduced while the resistance is increased, cables of multiple sizes can be clamped and pressed conveniently, the adaptability during mounting is improved, it is also guaranteed that disassembly is convenient, the adjusting angle of the damper is guaranteed, the use efficiency of the vibration hammer can be guaranteed to the maximum extent, wind resistance can be adjusted, targeted adjustment is conducted according to a wind condition, and the effectiveness during use is met.

The invention relates to a servo hold-down device for riveting machining of an industrial robot. The servo hold-down device is characterized by comprising a C-shaped clamp, a housing, a motor, a transmission structure, a first lead screw, a roller screw pair and a punch; the C-shaped clamp is composed of an upper arm, a longitudinal arm and a lower arm; the upper arm and the lower arm are mounted at the two ends of the longitudinal arm, respectively; the housing is mounted on the upper arm of the C-shaped clamp; the motor and the transmission structure are mounted on the housing, respectively; an output shaft of the motor is connected with an input end of the transmission structure; the first lead screw is rotatably arranged within the housing, and the top of the first lead screw is connected with an output end of the transmission structure; the roller screw pair sleeves an upper portion of the first lead screw and moves axially along with the rotation of the first lead screw; the punch is inserted in the housing in such a manner of moving axially, and a top end of the punch is fixedly connected with a bottom end of the roller screw; an extrusion end of the punch extends out of the housing and is located between the upper arm and the lower arm. The servo hold-down device for riveting machining of the industrial robot has the advantages of good hold-down force, good movement flexibility, reduction of noise produced during riveting, compact structure, small volume and convenient operations.

The invention discloses Chinese medicine decoction equipment for radix salviae miltiorrhizae. The decoction equipment comprises a medicine decoction outer barrel, a barrel lid, an air outlet hole, a spiral stirring blade, a filter net and a medicine discharging pipe; the barrel lid is mounted on the top of the medicine decoction outer barrel, the air outlet hole is formed in the bottom of the barrel lid, the spiral stirring blade is connected to one side of the air outlet hole, and the filter net is arranged below the spiral stirring blade. The decoction equipment is scientific and reasonablein structure and safe and convenient to use; after water is added into the medicine decoction outer barrel through a water adding pipe completely, an arranged motor drives the spiral stirring blade torotate to push the water in a medicine decoction inner barrel downward, Chinese medicine radix salviae miltiorrhizae in the medicine decoction inner barrel is extruded, and the situation of nonuniform dispersion of the liquid medicine is avoided; when the decoction pressure is too high, a sealing plug moves upward, and water vapor is discharged, so that the temperature and pressure during decoction of Chinese medicine radix salviae miltiorrhizae raise, and danger cannot occur; a tightening rotary knob is screwed so that the liquid medicine can be discharged; the medicine decoction inner barrel can be taken out directly from a placing frame, and convenience is provided for disassembly and cleaning.

The invention relates to a tunnel fire simulation experiment device under the action of multi-angle canyon wind, which belongs to the technical field of fire safety and comprises an experiment table main body, a canyon wind system and a matched measurement and control system, wherein the experiment table main body comprises a tunnel model movably connected to a bracket; the canyon wind system comprises a draught fan and a rectification box which are movably connected to the bracket, and an air outlet of the draught fan is communicated with the rectification box through a soft connection section. The rectification box comprises a butt joint section, a rectification section and a current stabilization section which are connected in sequence. The device is simple in structure, the device is simple in structure and low in manufacturing cost, makes up the defects that a full-size experiment is high in cost and a numerical simulation tool is not accurate enough, guarantees the repeatabilityof the experiment, and has great application value and important guiding significance for developing laboratory scientific research and the influence of actual canyon wind on bridge tunnel ventilationand tunnel fire in a high-altitude area.

The invention discloses high-purity super-high manganese steel which is prepared from the following components in percentage by mass: 0.75 to 1.76 percent of C, 22.0 to 30.0 percent of Mn, 0.1 to 0.8percent of Si, 0.021 to 0.043 percent of P, 0.016 to 0.035 percent of S, 0.07 to 2.5 percent of Cr, 0.52 to 2.3 percent of Mo, 0.01 to 1.34 percent of Ni, 0.03 to 1.5 percent of Cu, 0.01 to 0.2 percent of Nb, 0.032 to 0.083 percent of Al, 0.0006 to 0.0010 percent of O, 0.00014 to 0.00042 percent of H, less than or equal to 0.82 percent of other trace element, and the balance Fe. By adopting a preparation process of the high-purity super-high manganese steel provided by the invention, the contents of oxygen and hydrogen are effectively reduced, and a synthesized mechanical property of the highmanganese steel is improved.

The invention discloses a system for preparing high-purity high-manganese steel. The system is characterized by comprising a furnace shell, a furnace lining, a furnace wall layer, a base, a gas diffuser, an air brick, an air inlet pipe, a movable joint, a furnace body protective contact, a contact protector, a wire, a furnace cover, a flow regulator, a pressure reducing valve and an argon bottle.The air brick of the system for preparing the high-purity high-manganese steel can form fine air holes which are uniformly distributed, the air permeability amount is 1.5 times or more of that of a slit type or dispersion type air brick, the argon is diffused into molten steel through the innumerable air holes, the purification rate of the molten steel is obviously improved, and the content of oxygen and hydrogen in the molten steel is reduced; and the problems that a small amount of straight gross holes are formed due to burning of the oxygen during slag iron removal, and the argon quickly runs away from the liquid level after passing through the molten steel in a concentrated mode are solved, and the purification rate of the molten steel is obviously improved.

The invention discloses a film rolling machine with horizontally parallel ceramic rollers for of pole pieces of lithium batteries. The film rolling machine mainly comprises a speed reducing motor, a coupler, a driving gear, a driven gear, the ceramic rollers, a two-tank heater, a driving gear bearing base, a driven gear bearing base, a mechanism frame, a left forward inclined wedge, a left inverse inclined wedge, a right forward inclined wedge, a right inverse inclined wedge and an oil cylinder. As the rollers are horizontally parallel to each other, the film rolling machine can solve the problem that the pressing compactness degree of coatings on the double faces of each pole piece is inconsistent since the gravity of a coating Qm in contact with an upper roller of the pole piece is not equal to the gravity of a coating Qm in contact with a lower roller of the pole piece caused by the factor that the rollers float within a bearing clearance as the conventional rollers are arranged up and down. The rollers do not need to be finely rolled frequently as adopting ceramic jackets, so that a great amount of maintenance costs can be saved.

The invention discloses high-strength and anti-tearing bamboo and a manufacturing technology thereof. The high-strength and anti-tearing bamboo comprises a bamboo base material, a bamboo panel and fiber cloth. The middle portion of the bamboo is provided with the bamboo base material. The bamboo base material is a composite bamboo board or one or more layers of lateral pressing bamboo boards arranged in the same direction. The bamboo panel is arranged at the outer portion of the bamboo. The bamboo panel is a layer of side pressing bamboo board or a flat pressing bamboo board. The bamboo panelis located on the four faces of the bamboo base material in the circumferential direction or is located on the outer surface arranged in the same direction with the bamboo base material. The fiber cloth is arranged between the bamboo base material and the bamboo panel. The bamboo base material, the bamboo panel and the fiber cloth are subjected hot-press fixing through adhesives. According to themanufacturing technology of the high-strength and anti-tearing bamboo, the bamboo base material, the bamboo panel and the fiber cloth are subjected to hot-press fixing to a certain degree. According to the bamboo, the anti-shearing and tensile strength of the bamboo can be improved, and bamboo tearing is prevented; and meanwhile, the nail holding power of the bamboo can be greatly improved, the nail holding effect is improved, splitting is prevented, and performance stability of the bamboo is enhanced. The invention further provides the manufacturing technology of the high-strength and anti-tearing bamboo, the manufacturing technology is good in forming effect, and stability is high.

The invention discloses a rice seedling raising substrate mould pressing production line. The production line comprises a homogenating unit, a mould pressing forming machine, a dry piece collection and bundling unit and a drying unit which are sequentially connected through a transmission network chain. The homogenating unit comprises a homogenating machine and a slurry pipeline pump, and the slurry pipeline pump conveys slurry evenly stirred by the homogenating machine to a buffering tank; the mould pressing forming machine comprises two mould chambers arranged on the side faces of the transmission network chain; the mould chambers obtain suspension liquid from the buffering tank through a first pipeline pump and convey remaining buffering liquid into the buffering tank through a second pipeline pump; the dry piece collection and bundling unit comprises a network chain collection device and a bundling device, one end of the network chain collection device is connected with the output end of the drying unit, and the other end of the network chain collection device is connected with the input end of the bundling device; the drying unit comprises a drying box and heat-preserving plates on the side faces of the drying box. The production line is high in integrity and good in mould pressing effect, and is a mould plate and mould pressing integrated full-automatic production line.

The invention discloses a drainage device used in thyroid surgery. The drainage device comprises a supporting plate, wherein a connecting ring is arranged on the lower surface of the supporting plate, a waste liquid tank is connected to the lower end of the connecting ring, a pressure intensity sensor is arranged on one side of the top of the inside of the waste liquid tank, a through hole is formed in the upper surface of the supporting plate and corresponds to the opening formed in the upper end of the waste liquid tank, the pressure intensity in the waste liquid tank can be detected through the pressure intensity sensor so that detection of the pressure intensity in the waste liquid tank can be more convenient, the drainage tube can be inserted into the body of a patient through a fixing handle, and the drainage tube can be fixed to the body of the patient through a fixing constraint strap so that the patient can more convenient to move. The drainage device used in thyroid surgery is simple in structure, simple and convenient to operate and can more conveniently suck hydrops inside the thyroid gland of the patient, the device can be taken down and only the drainage tube is left on the body of the patient when the patient moves, so that the patient is more convenient to move, and the pain of the patient is effectively relieved.

The invention discloses a special cold chain box capable of evenly cooling objects. The special cold chain box comprises a box body, and grooves are formed in the periphery of the bottom of the box body. The top ends of inner cavities of the grooves are fixedly connected with electric telescopic rods, and rollers are movably mounted at the bottoms of the electric telescopic rods. The lower end ofan inner cavity of the box body is fixedly connected with a separation plate, and a pressure sensor and a temperature sensor are sequentially embedded into the right end of the top of the separation plate from left to right. The left end of the bottom of the inner cavity of the box body is fixedly connected with a storage battery, and a vacuum pump is fixedly mounted at the right end of the bottomof an inner cavity of the box body. The air inlet end of the vacuum pump communicates with the middle end of the top of the separation plate through a pipeline. According to the special cold chain box body, the periphery of the inner cavity of the box body is fixedly connected with refrigerating plates, the refrigerating plates are connected through heat conducting plates, and the need for evenlycooling the interior of the box body can be met. The problem that an existing cold chain box cannot evenly cool the interior of the box body, and consequently the object storage time is shortened issolved.

The invention discloses a laminated type rubber coating line card and a manufacturing and fixing method, wherein the line card is a semicircular or arc plate, the surface of the line card is coated with a layer of plastic or plastic cement to form an open-type rubber coating line card. The manufacturing method comprises the following steps: a, punching a cut metal sheet into a semi circle or an arc by a mould; and b, coating a layer of plastic or plastic cement on the surface of the semi-circular or arc-shaped metal sheet through dipping the plastic or the plastic rubber to form the open-type rubber coating line card. The fixing method comprises the following steps: a, sheathing a weaving bushing or an open-type weaving bushing outside multiple or multiple bundles of wires and cables; b, connecting two ends of the wires and the cables with a wire connecting terminal; and c, laminating the open-type rubber coating line card at the part of the wire connecting terminal close to the two ends by a laminating mould to ensure that the open end of the rubber coating line card is fixed on the end part of the weaving bushing or the open-type weaving bushing sheathed outside the multiple or multiple bundles of wires and cables. The invention can fixedly package wires and cables conveniently, fast and beautifully.

The invention provides a folium sennae cleaning device for traditional Chinese medicine processing and relates to the field of traditional Chinese medicine processing. The folium sennae cleaning device for traditional Chinese medicine processing comprises a base, an air pump is fixedly installed on one side of the upper surface of the base, a connecting pipe is fixedly connected to the upper surface of the air pump, one end of the connecting pipe is fixedly connected to the outer side curved surface of a processing cylinder, and the right side surface of the processing cylinder is fixedly connected with the upper surface of the base through a vertical plate. According to the folium sennae cleaning device for traditional Chinese medicine processing, by arranging a motor, a threaded rod, a sealing plate, a heating rod, a positioning ring A and a positioning ring B, steam in a heating barrel enters the processing barrel, the temperature of gas is increased after the gas makes contact with the steam, the gas viscosity is improved, the viscosity of the gas to impurities on the surface of folium sennae is improved, the gas passes through the surface of the folium sennae and then takes away impurities on the surface, the effect of cleaning up the impurities on the surface of the folium sennae is achieved, and the problem that the medicine property of the folium sennae is prone to being reduced due to soaking and washing of an existing cleaning machine is solved.

The invention provides an automatic quashing device of a compressor. A switch is arranged on a power supply line and is connected with an air pressure relay which is connected with an air cylinder of the compressor through a pipeline and is connected with a motor through a power cord. The invention effectively avoids the damage by frequently electrifying to quash to the motor. The pressure in the air cylinder of the compressor is easy to control and always kept below the required pressure, so that the service life of the compressor can be prolonged.

Devices and methods are provided relating generally to the delivery of fluids in the context of the lawn and garden industry. The devices and methods provide for the delivery of fluids at specified droplet size, pressure, spray pattern, and dispersal location relative to the target. The devices and methods deliver various fluids to a targeted location in a manner that limits the physical exertion typically required of users for such applications and is highly precise and accurate, thus reducing the likelihood and extent of missing the target and wasting expensive resources.

The invention discloses a drink machine locked through press fit of a lever. The drink machine comprises a shell, a water tank, an electromagnetic pump, a heater, an extraction assembly and a controlmodule; a water valve base is arranged between the electromagnetic pump and the water tank; a flowmeter is arranged at the adjacent position of the water valve base; a pressure release valve is arranged between the electromagnetic pump and the heater; the extraction assembly comprises a support, a capsule bin, a press fit sealing component, a water inlet component and a transmission component, thesupport is provided with a slide rail in the vertical direction, and the slide rail is slidingly connected with the press fit sealing component and used for limiting the motion direction of the pressfit sealing component; the transmission component comprises a handle, a first transmission part, a second transmission part in transmission with the first transmission part through a gear and a pressfit part in transmission with the second transmission part through a connection rod, and a spring is further arranged between the press fit part and the press fit sealing component. According to thedrink machine, the problems are solved that in the prior art, the press fit force is too large, press fit is not smooth, the sound is harsh, the leakproofness is bad, water leakage easily occurs, andthe drink machine cannot be compatible with swelled capsules.

The invention discloses an instant edible fungus material sterilization device. Connecting lifting lugs are welded to the top ends of four mounting supports correspondingly, the connecting lifting lugs are evenly welded to the top of the outer side of a sterilization barrel, a feeding port is formed in one side of the top of the sterilization barrel, and a feeding pipeline is connected to the top end of the feeding port through bolts. In the sterilization process of the fungus material, a fungus material only needs to be added at the feeding end of a feeding auger pipe, automatic high-temperature sterilization can be carried out through each component in the sterilization barrel, and then the sterilized fungus material can be obtained at the discharging end of the discharging auger pipe, so that the high-temperature sterilization process of the fungus material is optimized, and manual participation in the sterilization process is reduced; and meanwhile, an intermittent high-temperature sterilization mode in the traditional sterilization process is changed into continuous sterilization, so that the high-temperature sterilization efficiency of the fungus material is effectively improved, the sterilization device can continuously sterilize the fungus material in a large scale, and the economic benefits of enterprises are effectively improved.

The invention relates to a servo hold-down device for riveting machining of an industrial robot. The servo hold-down device is characterized by comprising a C-shaped clamp, a housing, a motor, a transmission structure, a first lead screw, a roller screw pair and a punch; the C-shaped clamp is composed of an upper arm, a longitudinal arm and a lower arm; the upper arm and the lower arm are mounted at the two ends of the longitudinal arm, respectively; the housing is mounted on the upper arm of the C-shaped clamp; the motor and the transmission structure are mounted on the housing, respectively; an output shaft of the motor is connected with an input end of the transmission structure; the first lead screw is rotatably arranged within the housing, and the top of the first lead screw is connected with an output end of the transmission structure; the roller screw pair sleeves an upper portion of the first lead screw and moves axially along with the rotation of the first lead screw; the punch is inserted in the housing in such a manner of moving axially, and a top end of the punch is fixedly connected with a bottom end of the roller screw; an extrusion end of the punch extends out of the housing and is located between the upper arm and the lower arm. The servo hold-down device for riveting machining of the industrial robot has the advantages of good hold-down force, good movement flexibility, reduction of noise produced during riveting, compact structure, small volume and convenient operations.

The invention relates to wear-resistant sofa fabric which comprises warps and wefts, wherein the warps and the wefts are polyester air change silk and are interweaved to form plain weave. In the fabric, the warp density is 18 / cm, and the weft density is 13 / cm.

The invention relates to a water circulation freezer. The water circulation freezer includes a water circulation power assembly, a freezer body assembly and a water storage assembly; the water cycle power assembly is located on the surface of the freezer body assembly; the water storage assembly is located Under the ground; the water storage component and the water circulation system are connected through a water pipeline, wherein the water circulation power component includes a water pump, a water pump room, a PLC and a water pipeline; the water pump is installed in the water pump room; the PLC Installed on the side of the water pump; the water pump room is set on the top of the freezer; one end of the water delivery pipeline is connected to the water pump, and the other end is connected to the reservoir. wall of water. Through the continuous movement of the water flow, the heat adsorbed on the surface of the outer wall is taken away, so that the storage environment of the freezer is further optimized. While reducing energy consumption, better heat preservation effect can also be obtained.

The invention discloses a tire forming machine tire-cord connector pressing-closing device. By means of the tire forming machine tire-cord connector pressing-closing device, the problems existing in an existing tire-cord connector pressing-closing device of being poor in applicability, inconvenient to use and high in fabricating cost are solved. The tire forming machine tire-cord connector pressing-closing device comprises a rack, a horizontal beam, a driving mechanism, an adjusting mechanism and a pressing-closing mechanism, the driving mechanism is arranged at one end of the horizontal beam,the tire forming machine tire-cord connector pressing-closing device has the characteristics that the adjusting mechanism comprises two adjusting air cylinders which are arranged at intervals, cylinder bodies of the adjusting air cylinders are fixed to the rack correspondingly, piston rods of the adjusting air cylinders are fixed to two ends of the horizontal beam correspondingly, the pressing-closing mechanism comprises a pressing-closing seat, two swing rotating arms and two pressing-closing wheels, the pressing-closing seat is slidably connected to the horizontal beam, the swing rotating arms are symmetrically hinged to the pressing-closing seat, the pressing-closing wheels are rotatably supported at one ends of the corresponding swing rotating arms correspondingly, an extension springis connected between the other ends of the swing rotating arms, and the driving mechanism drives the pressing-closing seat to slide on the horizontal beam. The tire forming machine tire-cord connector pressing-closing device is simple in structure, convenient to use, low in fabricating cost and good in applicability.

The invention relates to a nasal shaper (1) configured to be introduced into the nose of a subject, comprising: two tubes (10) suitable for each being introduced into a nostril of the nose, connected together at their lower ends by a connecting bridge (50); and a plate (20) attached to the connecting bridge (50) and extending opposite the connecting bridge (50) relative to the tubes (10), the plate (20) being configured to exert a pressure on the philtrum of the subject when the tubes (10) are each introduced into a nostril of the nose.

The invention discloses a Raman spectrum quantitative analysis method for D2 fuel gas in an ICF target. The method comprises the following steps: step 1, carrying out spectrum acquisition on the D2 fuel gas in the ICF target based on a Raman spectrometer; step 2, carrying out data processing on the characteristic peak area of the D2 fuel gas in the ICF target, selecting a Raman spectrum in a proper range, determining a peak spectrum range, and then carrying out peak position fitting to obtain the characteristic peak area; and step 3, deriving and calculating to obtain the pressure intensity of the D2 fuel gas in the sample target. On the basis of the Raman spectrum principle and in combination with the characteristics of the ICF target, a detection light path for the D2 gas in the ICF target is designed, and quantitative analysis of the D2 gas in the ICF target can be completed within 30 min; and then, according to the basic principle of Raman quantitative measurement of gas pressure, a quantitative detection method for D2 gas in an ICF target is designed, and a complete quantitative detection method flow of D2 gas in the ICF target is designed.

The refining high-purity hypereutectic niobium-chromium-containing 8 cast iron device comprises a shell, a refractory lining, a wall layer, a base, a gas diffuser, a ventilation block, a gas inlet pipe, a movable joint, a ladle bottom protection contact, a contact protector, a wire and a cover, the shell wraps the refractory lining, the wall layer is arranged on the outer surface of the refractory lining, the base is arranged at the bottom of the shell, and the gas diffuser is arranged on the base. A gas diffuser and a ventilation block are arranged above the base, the ventilation block wraps the gas diffuser, the gas inlet pipe is connected with the gas diffuser, the movable connector is connected with the gas inlet pipe and fixed to the base, and the bottom wrapping protection contact, the contact protector and the wire form a fireproof lining protection device. The bottom wrapping protection contact is embedded in the fireproof lining, the contact protector is connected with the bottom wrapping protection contact through a wire, and the cover is arranged on the top of the device. The device disclosed by the invention can be used for refining to obtain the high-purity hypereutectic niobium-chromium-containing 8 cast iron, and has a relatively good application value.

The invention discloses a light-transmitting pressing plate, a welding fixture, a welding device and a welding method of the welding device. The light-transmitting pressing plate comprises an outer peripheral pressing plate, an inner peripheral pressing plate and connecting ribs, wherein the outer peripheral pressing plate defines a mounting area; the inner peripheral pressing plate is arranged in the mounting area; a hollow area which has a predetermined depth and can allow laser to pass through is formed between the inner peripheral pressing plate and the outer peripheral pressing plate; and the connecting ribs are connected between the outer peripheral pressing plate and the inner peripheral pressing plate, and used for connecting the outer peripheral pressing plate and the inner peripheral pressing plate into a whole. The service life of the light-transmitting pressing plate can be guaranteed, the light-transmitting pressing plate does not need to be replaced, cost is reduced, and production efficiency is improved; meanwhile, due to the fact that the outer peripheral pressing plate and the inner peripheral pressing plate are connected into a whole through the connecting ribs, the contact area between the light-transmitting pressing plate and a to-be-welded part can become larger, uniform and good pressing force can be easily generated, and the final welding quality can be improved.

The invention discloses an intelligent pressure balance control system which comprises a reaction furnace, a plurality of pressure detectors are fixedly connected to the inner wall of the reaction furnace, a gas inlet end and a gas outlet end are fixedly connected to the two sides of the reaction furnace respectively, and a pressurization assembly used for increasing the pressure in the reaction furnace is arranged on one side of the reaction furnace; the other side of reaction furnace is provided with pressure reduction assembly for reducing pressure in reaction furnace, and one side of reaction furnace is fixedly connected with control panel. The intelligent pressure balance control system is simple in structure and convenient to use, the air inlet end and the air outlet end can be opened by starting the driving motor and the first electric push rod, the pressure in the reaction furnace can be balanced conveniently, and gas in the reaction furnace can be uniformly distributed by starting a rotating motor and a second electric push rod, so that accurate pressure intensity can be conveniently detected by pressure intensity detectors at different positions in the reaction furnace, and the control panel can conveniently control a driving motor, a first electric push rod, a sucking pump and a getter pump to balance the pressure intensity in the reaction furnace.

The invention relates to a form-variable stilling basin front end energy dissipation structure and an energy dissipation method thereof. The form-variable stilling basin front end energy dissipation structure is mainly composed of a WES overflow weir and a stilling basin, wherein the WES overflow weir comprises a curve section of the WES overflow weir, a linear section of the WES overflow weir andan inverted arc section of the WES overflow weir; the stilling basin comprises a stilling basin front end, a stilling basin rear end and other parts. Innovation is conducted mainly aiming to high intensity of pressure of the stilling basin front end, the stilling basin front end is divided into blocks with same size, and accessory hydraulic jacking devices are arranged on the stilling basin bottom plate blocks obtained through dividing respectively; the relative height between each stilling basin bottom plate block and the inverted arc section of the WES overflow weir is adjusted through accessory hydraulic control valves; in order to bring convenience to actual management of engineering, a main hydraulic control valve is installed, and the whole device can be adjusted.

The invention provides a simulation assembly type prefabricated wall grouting process test system, which comprises a mobile demonstration platform, a demonstration device and a control console, wherein the demonstration device and the control console are installed on the mobile demonstration platform, the control console is used for controlling the grouting pressure and the grouting time of the grouting process, the demonstration device comprises a simulation prefabricated wall assembly and a grouting system, the simulation prefabricated wall assembly and the grouting system are connected through a pipeline, the size and the distance of the simulation prefabricated wall assembly both imitate actual working conditions, transparent materials are adopted, and simulation of the grouting process and recycling work of slurry are achieved. The invention provides a process test method, on one hand, testers can clearly and intuitively observe the flow condition of grout in the grouting process and timely find out possible quality defects in the grouting process, and on the other hand, the optimal grouting pressure parameters and time parameters meeting the construction process requirements can be obtained through tests, and the construction quality of the existing grouting process is greatly improved.

The invention provides a diamond sheet grinding wheel. The diamond sheet grinding wheel comprises, by size ratio, 25% of diamond abrasive material, 45% of resin binder, 10% of copper powder, 4% of zinc oxide, 6% of chromium oxide, 10% of SiC micro powder and cresol. The diamond abrasive material is prepared by compounding any one of an abrasive material with the particle size being 107-139 micrometers and an abrasive material with the particle size being 5-10 micrometers, 35-45 micrometers or 65-85 micrometers. On the basis of the same formula, by adjusting different diamond particle size ratios, the optimal particle size parameter suitable for the formula is determined. Under the circumstance that the size ratio of the resin binder diamond grinding wheel formula is determined, the abrasive material with the fine particle size is mixed into the diamond abrasive material with the rough particle size to manufacture the diamond sheet grinding wheel, although the grinding effect of diamondwith the fine particle size is weak, the transition and replacement function is achieved after mixing with the diamond with the rough particle size, the distance among particles is increased, abrasive to a metal sintered body due to abrasive dust is reduced, and the grinding effect is better than that of an abrasive material with the single rough particle size.