1430 results about "Ultra high pressure" patented technology

The invention provides a low-speed and ultrahigh-pressure die-casting process method for automobile part die-casting, and relates to the field of automobile part manufacturing. The method includes the following steps that firstly, a mold is prepared, secondly, molten metal is prepared, thirdly, a casting is cooled and demolded, and fifthly, follow-up treatment is conducted. The defects that in the high-speed mold filling process of a common high-pressure casting technology, gas is likely to be involved in the molten metal, and consequently air holes, shrinkage porosity and the like are generated in the casting are overcome; and when key parts such as automobile engine cylinder bodies and hubs are produced, air hole defects possibly cause the problems of air leakage of engines, insufficient hub strength and the like. And meanwhile, for parts with thin walls and complex structures, uniform filling of molten metal in a mold is difficult to ensure by a traditional die-casting process, the defects of cold shut, insufficient pouring and the like are easy to occur, and the qualified rate and the production efficiency of products are reduced.

The invention discloses a water quality stabilizer suitable for in-furnace treatment of medium-pressure, high-pressure and ultrahigh-pressure boilers and a preparation method of the water quality stabilizer. The water quality stabilizer comprises polyamine organic amines, an organic deoxidant, high-molecular polymeric salt, a silt adjusting agent and pure water. According to the water quality stabilizer disclosed by the invention, one medicament can replace three medicaments of ammonia water, hydrazine and trisodium phosphate added in a traditional boiler, the water quality stabilizer has multiple functions of film forming, corrosion inhibition, deoxygenization, passivation, scale inhibition, scale dissolution, dispersion, chelation, water quality stabilization and the like, meanwhile, the discharge capacity of the boiler can be greatly reduced, the heat energy loss and the water waste can be reduced, and the heat energy utilization rate can be improved. The preparation method disclosed by the invention has the advantages of good batch production effect, stable product performance and long shelf life.

The invention relates to the technical field of valve leakage detection, and particularly discloses an ultrahigh pressure gas valve leakage detection method and system. According to the method, a unified leakage feature vector is obtained through multi-source acquisition and processing; capturing a time sequence dependency relationship, and determining a micro leakage mode; carrying out abnormal peak detection to obtain a preliminary leakage probability; combining the initial leakage probability with real-time environmental parameters, and dynamically adjusting a judgment standard; comparing the unified leakage feature vectors through a judgment standard, fusing position coordinate triangulation positioning, judging whether micro crack leakage occurs or not, and obtaining leakage position estimation; the historical data sequence is fused, the micro crack development trend is predicted, and the early warning level is determined; and generating a corresponding response signal according to the early warning level, and outputting micro crack leakage early warning. Multi-source data fusion, dynamic threshold adjustment and position prediction can be carried out, the accuracy and robustness of micro crack leakage detection are remarkably improved, and efficient guarantee is provided for safe operation of a pipeline.

The invention discloses a full-automatic ultrahigh-pressure sludge treatment filter press which comprises a main beam, a plurality of groups of filter plates are slidably mounted in the main beam, a thrust plate and a mounting plate are fixedly mounted at two ends of the main beam respectively, a hydraulic rod is fixedly mounted at one end of the mounting plate, a piston rod of the hydraulic rod penetrates through the mounting plate, and a pressing plate is fixedly mounted at the end of the piston rod. Guide grooves are formed in the upper surfaces of the filter plates, the mounting plates and the thrust plates, synchronizing mechanisms are slidably mounted in the guide grooves, purging mechanisms are slidably mounted in the synchronizing mechanisms, V-shaped cylinders are fixedly mounted on the lower surface of the main beam, and sludge shaping mechanisms are rotatably mounted in the V-shaped cylinders. Through the design of the synchronizing mechanism, the sludge shaping mechanism and the purging mechanism, the function of automatically cleaning the filter plate is achieved through purging of high-pressure gas, and then the continuous operation capacity and the cleaning efficiency of the equipment are improved.

The invention provides an ultrahigh-pressure water jet mechanical combined drilling machine and method.The drilling machine comprises a drilling rod, a water jet mechanical combined drilling tool is arranged at the front end of the drilling rod, a plurality of water jet pipelines are arranged in the water jet mechanical combined drilling tool, cutting teeth are arranged on the front face and the rear face of the water jet mechanical combined drilling tool, and a high-pressure water jet pipeline is contained in the drilling rod; one end of a high-pressure water jet pipeline of the drill rod is connected to a water jet pipeline of the water jet mechanical combined drilling tool, and the other end is connected with an ultrahigh-pressure water jet pump set through a swivel joint; and a plurality of deslagging channels are also arranged in the drill rod and connected with water jet holes of the water jet mechanical combined drilling tool, and high-pressure water jet or high-pressure gas is introduced into the deslagging channels through reverse rotation of the water jet mechanical combined drilling tool, so that blockages are discharged from the channels, and the problem of hole collapse is relieved. According to the invention, ultra-long distance drilling rock breaking can be realized, the rock strength and integrity can be monitored in real time, the drilling position and the offset condition of the drilling tool can be mastered, and the hole collapse problem can be relieved.

Low-pressure oil enters an inlet of a proportional overflow valve, the pressure of a low-pressure system is controlled by the proportional overflow valve, pressure oil on the low-pressure side acts on a plunger control cavity of the hydraulic control overflow valve through a pressure stabilizing damper and a one-way valve, and hydraulic pushing force generated by a plunger is transmitted to an overflow valve steel ball through a disc spring; when the force obtained by multiplying the ultrahigh pressure of the inlet of the hydraulic control overflow valve by the action area of the steel ball is equal to the pushing force of the plunger, the steel ball of the overflow valve is opened to start overflowing, and the overflow pressure of the ultrahigh pressure system can be controlled by adjusting the pressure of the proportional overflow valve of the low-pressure system. The external control type ultrahigh-pressure proportional pressure regulating valve can be used for pressure regulation of a hydraulic system with the pressure being 200 MPa or above and can be used as a proportional overflow valve of an ultrahigh-pressure hydraulic system. By arranging a hydraulic loop of two auxiliary oil ports of the external control type ultrahigh pressure proportional pressure regulating valve, the pressure rising one-way proportional regulating function, the pressure unloading function and the pressure rising / falling two-way proportional regulating function of an ultrahigh pressure system can be achieved.

The invention relates to the technical field of compressors, and discloses a gas piston assembly for an ultrahigh-pressure liquid-driven piston compressor, which comprises a gas piston main body, a sealing piece and a connecting piece, the air piston body comprises a first body part and a second body part which are oppositely arranged, a cylindrical protruding part is arranged in the center of the end face of one side of the first body part, and a positioning inserting hole matched with the cylindrical protruding part is formed in the center of the end face of the side, right opposite to the first body part, of the second body part. The sealing piece comprises a plurality of first piston rings and a plurality of second piston rings, the first piston rings and the second piston rings are arranged on the cylindrical protruding part in a sleeving mode and are alternately arranged, and the first piston rings are arranged close to the end face of the first main body part; the connecting piece is used for connecting the first main body part and the second main body part together after the cylindrical lug boss is inserted into the positioning insertion hole; the combined piston ring is used for replacing a traditional spring plug structure for sealing, and the sealing problem caused by extremely high pressure and temperature under the ultrahigh pressure working condition can be solved.

The invention relates to a ship ultra-high pressure water rust removal and wall-climbing cleaning equipment, comprising a cleaning disc, a first rotating wheel, a second rotating wheel and a third rotating wheel of a hub motor type arranged outside the cleaning disc, a magnetic adsorption component and a rotatable ultra-high pressure nozzle component are arranged on the cleaning disc, a first driving mechanism for driving the first rotating wheel and the second rotating wheel to synchronously change direction is arranged between the first rotating wheel, the second rotating wheel and the cleaning disc, a second driving mechanism for driving the third rotating wheel to change direction is arranged between the third rotating wheel and the cleaning disc, a shock absorbing mechanism is arranged between the first rotating wheel, the second rotating wheel and the first driving mechanism, and between the third rotating wheel and the second driving mechanism, a third driving mechanism for driving the second rotating wheel to change direction is arranged between the second rotating wheel and the shock absorbing mechanism, based on the ultra-high pressure water rust removal, a rotating wheel type is adopted to replace a crawler type structure, and a shock absorbing mechanism is carried to obtain better space utilization, which is beneficial to automation efficiency and stability, and meets the application requirements of green ship repair surface treatment.

The utility model relates to a spatial multilayer ultrahigh pressure belt type dehydration system which comprises a main rack, a material distributing and feeding device, a material distributing device, a filter belt, a filter belt traction machine, a filter pressing hydraulic machine, a hydraulic station and a controller, the material distributing and feeding device, the material distributing device, the filter belt traction machine and the filter pressing hydraulic machine are connected and mounted on the main rack; and the output end of the material distributing and feeding device is connected and mounted above the material distributing device. The dehydration method comprises the steps of equipment starting, material distribution, filter pressing dehydration and unloading. The organic waste dehydration device is higher in dehydration efficiency and lower in cost, and can be used as an organic waste dehydration device capable of reducing pollution and carbon.

The invention discloses a leakage rate prediction method for a sealing interface of a metal lens gasket of ultrahigh pressure equipment, and belongs to the technical field of leakage rate prediction. The method comprises the following steps: S1, establishing a coupling damage cycle elastic-plastic constitutive model of a metal lens pad material; s2, establishing an ultrahigh-pressure sealing structure finite element model, applying a cyclic load for simulation, and fitting to obtain an attenuation rule model of the contact stress of the metal lens gasket under the cyclic load; s3, establishing a single rough peak contact deformation finite element model, correlating the model with an actual sealing structure, and fitting to obtain a relational expression between the contact stress of the metal lens pad and the microcosmic rough peak deformation under the cyclic load; s4, establishing a leakage model of the microcosmic pore structure of the sealing interface, and combining the steps S2 and S3 to obtain a leakage rate prediction model of the sealing interface; and S5, predicting the leakage rate by using the prediction model. According to the prediction method, the leakage rate of the sealing interface of the metal lens gasket under the cyclic load working condition can be accurately predicted.

The invention belongs to the technical field of back pressure valves, and particularly relates to an ultrahigh-pressure automatic control damping valve and a pressure control method thereof.The damping valve comprises a valve body, a screw and an adjusting nut which are sequentially communicated, a cavity channel is formed in the valve body, the screw and the adjusting nut, and a sealing head and a linear motion mechanism which are connected are sequentially contained in the cavity channel; a driving mechanism is connected outside the adjusting nut; a cavity is formed in the valve body, a fluid inlet is formed in the valve body, the sealing head is arranged in the cavity, and the fluid inlet is tightly attached to the front end of the sealing head. And a pressure sensor is arranged on a pipeline communicated with the fluid inlet. The method comprises the steps that the pressure value in a valve body is detected, and the detected pressure value is fed back to a control panel; the control panel controls the motor to change the size of a gap between the sealing head and the fluid inlet so as to change the pressure value. The pressure in the valve body is automatically and accurately adjusted, the stability of the pressure is guaranteed, and the abnormal condition caused by unstable pressure is eliminated.

The invention provides an ultrahigh-pressure vertical plunger pump. The ultrahigh-pressure vertical plunger pump comprises a plunger pump base, a plunger pump body and a plunger pump cover. A transmission structure is arranged on the inner side of the plunger pump base, a receding hole communicated with an inner cavity of the plunger pump base is formed in the upper end of the plunger pump base, and the output end of the transmission structure extends into the receding hole. A water inlet hole is formed in the side wall of the plunger pump body, a high-pressure cylinder is arranged on the inner side of the plunger pump body, a water passing hole is formed in the side wall of the upper end of the high-pressure cylinder, a sealing bush is arranged in the high-pressure cylinder, a plunger shaft is slidably arranged on the inner side of the sealing bush, and the lower end of the plunger shaft is connected with the power output end of the transmission structure. An annular lubricating gap is formed between the sealing bush and the plunger shaft; a drainage channel is arranged on the inner side of the plunger pump cover, and a one-way valve structure is arranged at the joint of a water inlet of the drainage channel and an inner cavity in the upper end of the high-pressure cylinder. Compared with a sealing ring, the sealing bush has higher strength and higher wear resistance, and is not easy to wear in the use process.

The invention discloses a multi-physics coupling viscosity calibration method for a large and heavy hydrostatic pressure rotating table, and belongs to the technical field of fluid mechanics modeling and high-end equipment manufacturing. According to the calibration method, a temperature control / high-pressure rotational rheometer is adopted to obtain experimental data, and experimental verification shows that the average prediction error of the model under the ultrahigh pressure (1000 MPa) and the wide temperature range (20-80 DEG C) is controlled within 10%, and the model is remarkably superior to traditional Arrhenius and Barus models (the error is 40% or above). Theoretical support is provided for oil film dynamic characteristics, bearing capacity optimization and real-time control of a large and heavy hydrostatic pressure system, and the method is suitable for various lubricating media such as mineral oil, synthetic oil and nanofluid and can be widely applied to precision machining and intelligent control in the field of high-end equipment manufacturing.

The invention provides multi-mode non-explosive excavation integrated equipment based on ultrahigh pressure hydraulic cutting, which comprises a mobile platform, the mobile platform comprises a lower layer frame body and an upper layer frame body, the lower part of the lower layer frame body is hollowed out and is provided with a movable tunneling crawler loader, the two ends of the lower layer frame body are provided with water jet cutter mechanical arms, and the upper layer frame body is provided with a wet spraying mechanical arm; arch anchor mechanical arms and auxiliary frame arch arms are arranged at the upper end and on the two sides of the movable platform, an arch frame sliding way is further arranged on the outer side of the movable platform, and the problem of efficient excavation of surrounding rock tunnels of various grades is solved.

The invention provides a fiber material reinforced ultrahigh-pressure direct-acting electromagnetic valve, which belongs to the technical field of electromagnetic valve design and comprises a valve body, a sealing pipe assembly, a winding body, a movable iron core assembly, a valve port sealing element, an electromagnetic coil and a magnetic conductive shell. Due to the adoption of the innovative structural design reinforced by the fiber material, the long-standing contradiction between the loading capacity and the magnetic circuit efficiency in the field of ultrahigh-pressure electromagnetic valves is skillfully solved, the overall mechanical property of the electromagnetic valve is optimized by the structure, and the magnetic circuit efficiency is guaranteed; meanwhile, the mechanical property of the movable part can be effectively enhanced due to the high-strength characteristic of the fiber material, so that the performance of the movable part is improved, the dynamic response hysteresis bottleneck is effectively overcome, and the response speed is increased; at the sealing part, the overall strength and stability of the sealing part can be enhanced through reinforcement of the fiber material, meanwhile, the sealing part can be prevented from losing efficacy due to medium corrosion through good corrosion resistance of the fiber material, the hidden danger of sealing instability in the high-pressure environment is thoroughly eliminated, and sealing reliability is guaranteed.

The invention discloses a heat treatment process of an alloy drill bit, which belongs to the field of alloy and comprises the following steps: S1, after the alloy drill bit is primarily machined and formed, carrying out vacuum pretreatment, heat preservation and heating; s2, the drill bit is rapidly transferred into a sectional temperature control carburizing furnace to be subjected to main carburizing treatment, the temperature is controlled between 930 DEG C and 960 DEG C, the carburizing time ranges from 3 hours to 4 hours, and the carburizing depth is controlled between 0.3 mm and 0.6 mm; s3, after carburizing is completed, subarea multi-speed cooling is carried out, quenching is carried out for 20 seconds at the temperature of 850 DEG C or above, controlled cooling is carried out for 60 seconds within the range of 550 DEG C to 650 DEG C, slow cooling is carried out for 80 seconds at the temperature of 200 DEG C or below, and a refined martensite complex phase structure is obtained; s4, after cooling is completed, double-section tempering treatment is carried out; and S5, performing ultrahigh-pressure static boriding diffusion treatment. The method has the beneficial effects that the processing uniformity, the structure stability, the wear resistance and the corrosion resistance of the alloy drill bit are effectively improved and the service life of the alloy drill bit is effectively prolonged by adopting staged temperature control, different cooling media and a directional quenching technology.

The invention relates to a method for preparing rubber powder by adopting a high-pressure water jet composite method. The method comprises the following preparation steps: S1, crushing rubber particles; s2, performing impact type filtration; s3, internal circulation of the rubber powder liquid; and S4, solid-phase separation and recovery. The cavitation effect and the high-speed impact effect in ultrahigh-pressure water jet can enable a rubber material to achieve the low-temperature crushing effect at the normal temperature, so that the purpose of preparing fine rubber powder can be achieved at the normal temperature in a low-energy-consumption, low-cost and environment-friendly manner; meanwhile, the actual filtering area of the filter cartridge is increased to the maximum extent, and the filtering effect and efficiency are improved to a great extent.

The invention provides an ultrahigh pressure gas well ground throttling depressurization pilot production system, which belongs to the technical field of gas well pilot production, and comprises a gas production tree, a pressure test kill manifold sledge, a cyclone desander sledge, a first-stage oil nozzle manifold sledge, a second-stage electric cage throttling valve, a third-stage electric cage throttling valve, an instrument flange, an isolation flat valve and a wellhead pressure release blowout system, the pressure test well killing manifold sledge achieves pressure test of all high-pressure equipment and has the well killing function in the well emergency situation, the cyclone desander sledge can protect all levels of throttling valves and downstream production equipment against erosion, and the service cycle of the throttling valves and the downstream production equipment is prolonged. The fixed oil nozzle and the electric cage type throttle valve are connected in parallel through the first-stage oil nozzle manifold sledge, a production system can be accurately established, and the first-stage electric cage type throttle valve can be replaced and maintained without closing a well.

The invention provides a non-explosion excavation construction method based on ultrahigh pressure water jet cutting, which comprises a mobile platform, the mobile platform is provided with a water jet mechanical arm, a wet spraying mechanical arm, an arch anchor mechanical arm and an auxiliary frame arch arm, and the lower part of a lower layer frame body of the mobile platform is hollowed out and is provided with a movable tunneling slag-raking machine; the tunneling crawler loader is provided with a splitting drill mechanical arm or a breaking hammer mechanical arm; planning the arrangement position of a slag discharge hole, the movement track of a jet flow module, jet flow parameters and the arrangement of a splitting hole; the arch anchor mechanical arm moves forwards, and drilling operation of a slag discharging hole is conducted; the water jet cutter mechanical arm moves forwards and cuts the contour line with the slag discharging hole as the starting point; the tunneling slagging-off machine synchronously carries out excavation operation in the passing space, and gravels and muck are conveyed to the rear portion to be discharged; after the single-cycle operation is finished, the movable platform and the tunneling crawler loader move forwards, the wet spraying mechanical arm and the auxiliary frame arch arm carry out arch erecting, net hanging and primary spraying operation, and the non-blasting excavation problem under the sensitive geological conditions of superhard rock, high ground stress and the like is solved.

The utility model relates to ultrahigh-pressure sterilization equipment which comprises a high-pressure cabin, a sliding rail extending in the axial direction of the high-pressure cabin is arranged in the high-pressure cabin, and a plurality of material containing cabins are arranged on the sliding rail in a sliding mode. A sealing valve I, a sealing valve II, a sealing valve III and a sealing valve IV which are sequentially arranged in the axial direction of the hyperbaric cabin are arranged in the hyperbaric cabin, a feeding cabin is formed between the sealing valve I and the sealing valve II, a sterilization cabin is formed between the sealing valve II and the sealing valve III, and a material taking cabin is formed between the sealing valve III and the sealing valve IV; the feeding cabin and the material taking cabin are communicated with an ultrahigh-pressure pump through a high-pressure pipe; a driving mechanism for driving the material placing cabin to move along the axial direction of the high-pressure cabin is arranged in the high-pressure cabin; according to the utility model, pressurized products are continuously conveyed to the sterilization cabin through the feeding cabin, the products are sterilized for a period of time through the sterilization cabin, and the sterilized products in the sterilization cabin are continuously taken out through the material taking cabin, so that the device is simple, efficient, safe and reliable.

The invention relates to the technical field of spraying, in particular to a movable high-pressure water decontamination wastewater recycling system which comprises a container, an ultrahigh-pressure cleaning pump set, a cleaning platform and a renewable demisting filtering module, and the ultrahigh-pressure cleaning pump set, the cleaning platform and the renewable demisting filtering module are installed in the container. Wherein the ultrahigh-pressure cleaning pump set comprises an ultrahigh-pressure pump and a plurality of flushing guns communicated with the ultrahigh-pressure pump through high-pressure hoses, each flushing gun comprises a handle, a rod part and a universal spray head, a rotatable grip is arranged on the rod part, and the grip is in transmission connection with the universal spray head and used for controlling the rotating spraying direction of the universal spray head. And through high-pressure water flow generated by the ultrahigh-pressure cleaning pump set, pollutants on the surface of the low-level amplifier machining waste can be effectively removed, and the cleaning efficiency is improved. The cleaning water recovery system realizes effective recovery and reutilization of waste water, reduces waste of water resources, and reduces influence on the environment. The design of the handle of the flushing gun allows an operator to easily adjust the angle of the nozzle according to needs, and the flexibility and comfort of operation are improved.

The invention belongs to the technical field of gas production wellhead devices, and particularly relates to an ultrahigh pressure gas production wellhead device without any rubber seal, which comprises a four-way pipe, a manual gate valve, a throttle valve, an instrument flange, an anti-shock pressure gauge, a hydraulic safety valve, a separation pressure reduction assembly, an upper flange, a casing head body and a casing hanger assembly, a sealing gasket ring I and a sealing gasket ring II are respectively arranged between the upper flange and the casing hanger assembly, and the casing hanger assembly is respectively connected with an inner cavity of the casing head body through an inner metal sealing ring I, an outer metal sealing ring I, an inner metal sealing ring II and an outer metal sealing ring II. Compared with rubber sealing, the metal sealing structure has higher stability. And the metal sealing element can bear high pressure and cannot generate permanent deformation or lose sealing capacity, so that the gas production device can be suitable for a worse gas production working condition, the frequency of shutdown maintenance caused by damage of the sealing element is reduced, and the continuity and efficiency of gas production operation are improved.

The invention relates to a high-precision and fast-response ultrahigh pressure adjusting method based on a real-time feedback control principle, and belongs to the technical field of ceramic manufacturing. The high-precision and fast-response ultrahigh pressure adjusting method based on the real-time feedback control principle comprises the steps that after a pressure adjusting device is started, a target pressure value is set; a high-precision pressure sensor is used for monitoring the pressure value in the forming process in real time; acquiring data of the pressure sensor in real time through a data acquisition system, and performing filtering and correction processing; the controller calculates the deviation between the current pressure and the set pressure according to the set pressure value and the pressure value collected in real time; by means of the real-time feedback control technology, high-precision adjustment of pressure is achieved, it is ensured that ceramic powder is subjected to uniform pressure in all directions, particles are tightly arranged, the forming density is improved, meanwhile, due to the fact that the pressure is applied in the same direction, the powder particles are subjected to the same compression force in all directions, and it is ensured that ceramic blanks are uniform in density and regular in shape.

According to the novel ultrahigh pressure proportional valve and the hydraulic control system, a piston cavity is formed in a valve body, a low-pressure piston block is arranged in the piston cavity, and a high-pressure cavity is formed in one side of the low-pressure piston block; the cavity body section of the high-pressure cavity is smaller than that of the piston cavity; a high-pressure piston block is arranged in the high-pressure cavity and is linked with the low-pressure piston block; the high-pressure cavity is connected with the high-pressure oil port, the piston cavity is connected with the low-pressure oil port, and one or more pressure relief oil ports are formed in the high-pressure cavity or the piston cavity. When the structure is used in a hydraulic control system, oil in the high-pressure cavity can be restrained to be discharged slowly through the low-pressure piston block, and the high-pressure cylinder can be controlled to stabilize pressure in a certain high-pressure state through proportional oil discharge. According to the hydraulic system, the defects in the prior art are overcome, stable control over the high-pressure oil cylinder can be achieved, during high-pressure unloading, the high pressure cannot be directly reduced to the lowest state, and linear unloading and pressure stabilization can be achieved.

The invention relates to the technical field of ultrahigh-pressure water cutting, and discloses an ultrahigh-pressure water cutting composite material winding sand mixing tank based on a lightweight structure, which comprises a metal cylinder body, and the metal cylinder body is the core part of the whole structure and is used for assembling and connecting other structural members; the two elliptical sealing heads are positioned at the upper end and the lower end of the metal cylinder and are used for sealing the whole structure; the reinforcing layer is positioned on the periphery of the metal cylinder and outside the two elliptical heads and is used for reinforcing the overall structural strength; and the protective layer is located outside the reinforcing layer and the two elliptical sealing heads and used for protecting the whole structure. According to the ultrahigh-pressure water cutting sand mixing tank, the transition section where the elliptical head is connected with the metal cylinder adopts a fillet transition form, stress concentration is reduced, the mechanical property is optimized, the overall safety and reliability of the ultrahigh-pressure water cutting sand mixing tank are improved, the metal cylinder made of high-strength alloy steel is selected, the impact resistance and fatigue resistance of the overall material are cooperatively improved, and the pressure bearing capacity is effectively improved.

The utility model discloses a detachable jacket heat preservation ultrahigh pressure high temperature ball valve for butt welding heat preservation pipelines, which comprises a valve body, a valve cover, a valve rod and a ball body, the valve rod penetrates through the valve body, and one end of the valve rod located in an inner cavity of the valve body is in linkage connection with the ball body. An inlet valve seat assembly and an outlet valve seat assembly are arranged at the positions, corresponding to the two sides of the ball body, in the valve body respectively, and the valve deck is installed at the outlet end of the valve body. The inlet heat preservation jacket is arranged on the periphery of the valve body and the periphery of the valve deck and forms a first heat preservation cavity, and the high-pressure welding neck flange is detachably connected to the end of the valve deck through a fastener; the outlet heat preservation jacket is arranged on the periphery of the high-pressure butt welding flange and forms a second heat preservation cavity. The utility model not only can keep the original butt welding connection form of the thermal insulation pipe and the butt welding connection form of the high-pressure pipeline and the valve unchanged, but also can be conveniently disassembled and maintained.

The invention provides an ultrahigh-pressure hose connector assembling process and an ultrahigh-pressure hose connector assembly.The ultrahigh-pressure hose connector assembling process comprises the steps that a hose connector body is sleeved with a connector, so that after the connector and the hose connector body are sleeved in place, a moving channel used for installing a positioning component is formed between the connector and the hose connector body; the positioning part is installed in the formed moving channel; and glue is injected into a gap between the connector and the hose connector body, then vulcanization treatment is conducted, and the ultrahigh-pressure hose connector assembly is obtained. According to the ultrahigh-pressure hose connector assembling technology, the technical problem that the ultrahigh-pressure hose connector assembling technology in the related technology cannot meet the use requirement and the assembling requirement of large pressure fluctuation or high-frequency vibration in the use environment is solved.

The utility model discloses an organic waste composite dehydration system which comprises a physical dehydration device, a material crushing device and a biological dehydration device, and the material crushing device is connected and installed at the rear end of the physical dehydration device and the front end of the biological dehydration device. And the physical dehydration device comprises an ultrahigh-pressure laminated box type dehydration device or an ultrahigh-pressure laminated belt type dehydration device. The device can meet the requirements of environment-friendly treatment and resource utilization of organic wastes in real production, realizes integration of mechanical and physical dehydration and biological fermentation dehydration, and can be used for recycling the organic wastes without depending on other organic auxiliary materials or greatly reducing the dependence on the other organic auxiliary materials. According to the method, the organic waste with the moisture content of about 80% or even higher can be efficiently, directly and deeply dehydrated to the moisture content of 40% or lower at low cost, the index requirement of resource utilization is met, the treatment cost of the social organic waste is reduced, and the improvement of the social organic waste environment-friendly treatment and resource utilization level is facilitated.

An ultrahigh pressure spray head is composed of a spray head seat, an upper end cover, a shell, a base, an ejector pin, a jackscrew and a center shaft, a plurality of linear nozzles are installed on the spray head seat, the front end of the shell is connected with the spray head seat through the upper end cover, an angular contact bearing is arranged between the shell and the spray head seat, the rear end of the spray head seat is connected with the center shaft, the center shaft is connected with the ejector pin, and the jackscrew is connected with the ejector pin through a left rotating ring. The rear end of the shell is respectively connected with the ejector pin and the jackscrew through the base, the torsion spring, the anti-abrasion ring, the speed reduction valve, the deep groove ball bearing and the oil seal are respectively arranged between the shell and the center shaft from front to back, the water seal A is formed between the center shaft and the ejector pin and fixed on the ejector pin through the water seal top nut, and the water seal B is formed between the upper end cover and the spray head seat. The base, the jackscrew, the left rotating ring, the ejector pin and the water seal form combined ultrahigh-pressure double-lock sealing for high-pressure fluid, meanwhile, the torsion spring and the speed reducing valve rotate passively to play a role in speed control, and the combined ultrahigh-pressure double-lock sealing device has the advantages of being high in sealing performance and stable in operation.

The invention discloses an ultrahigh pressure liquid flow mill system which comprises a feeding pump used for providing slurry, a slurry booster pump used for boosting, a homogenizing device internally provided with an interaction containing cavity and a condenser used for reducing the temperature of the slurry, and the feeding pump, the slurry booster pump, the homogenizing device and the condenser are sequentially communicated. The slurry booster pump comprises a plunger pump and a plurality of high-pressure one-way valve sets, and each high-pressure one-way valve set is at least composed of a plurality of one-way valves which are sequentially connected in series in the slurry conveying direction. The feeding end of the feeding pump and the feeding port of the homogenizing equipment are communicated with an inner cavity of the plunger pump through a first high-pressure one-way valve bank and a second high-pressure one-way valve bank respectively, the first high-pressure one-way valve bank is installed in the forward direction, and the second high-pressure one-way valve bank is installed in the reverse direction. The invention provides an ultrahigh-pressure liquid flow mill system which can perform one-way flow control on fluid with particulate matters under the pressure environment of 100 MPA or above.