304results about How to "Not easy to stay" patented technology

The invention discloses a micro channel heat exchanger for an air-conditioner heat pump. The heat exchanger comprises an upper head pipe, a lower head pipe, a plurality of flat pipes and a plurality of fins, wherein the upper head pipe is parallel with the lower head pipe; the plurality of flat pipes connect the upper head pipe and the lower head pipe and are parallel at intervals; opening holes communicating with the insides of the upper head pipe and the lower head pipe are reserved in the flat pipes; the plurality of fins are arranged between adjacent flat pipes along the length direction of the flat pipes; and the distribution density of the fins is reduced gradually from the upper head pipe to the lower head pipe along the length direction of the flat pipes. According to the micro channel heat exchanger, the air side heat transfer coefficient of the heat exchanger can be improved and the air side flow resistance can be reduced; and the surface tension born by condensate water on the surfaces of the flat pipes is low both under cooling and heating working conditions and the condensate water is hard to stay in gaps of the fins, so that the wind resistance is reduced and heat transfer is not influenced, the discharge of the condensate water is improved, and frost formation is also improved at the same time.

The invention relates to a treatment method and a device of landfill leachate concentrate. The method comprises the following steps: Step S1: carrying out chemical softening treatment on the concentrate to reduce hardness of the concentrate, Step S2: filtering effluent of Step S1 with a microfiltration membrane to remove suspended solids from the concentrate, and Step S3: carrying out reverse osmosis treatment on effluent of Step S2 with a disc tubular reverse osmosis membrane to form recycled effluent. The method and the device have the following advantages: 1, a 'chemical softening, microfiltration membrane and DTRO (Disk Tubular Reverse Osmosis)' technology is employed for treating the nanofiltration and reverse osmosis concentrate, the fresh water yield of a whole system is increased, the recycling of water resources is achieved, and operating cost of a power plant is saved; and 2, the 'chemical softening, microfiltration membrane and DTRO' technology is employed for treating the nanofiltration and reverse osmosis concentrate, so that the concentrate is reduced, and the predicament that the yield of the concentrate is high, and the power plant cannot eliminate the concentrate is solved.

The invention discloses periplaneta Americana L. and gel externally applied medicinal composition and a preparation method and use thereof in preparation of externally applied medicines for treating scalding. The periplaneta Americana L. gel externally applied medicinal composition is prepared from ethanol extract of dried periplaneta Americana L. and a water soluble gel substrate according to weight ratio of the ethanol extract of dried periplaneta Americana L. to the water soluble gel substrate of (0.1-2.5):100, preferably 0.5:100. The preparation method comprises: grinding dried periplaneta Americana L. into coarse powder or preparing non-ground dried periplaneta Americana L.; extracting the periplaneta Americana L. in 70-to-95-percent ethanol for several times; combining extract, recovering ethanol, adding purified water for defatting, concentrating the defatted solution till thick paste with a relative density of 1.35; preparing water soluble gel substrate; and uniformly adding the thick paste of the extract into the water soluble gel substrate according to a ratio. When the periplaneta Americana L. and gel externally applied medicinal composition is used as an externally applied medicine, the dosage of the periplaneta Americana L. is 2.0g / kg.d, and two doses are taken. The periplaneta Americana L. and gel externally applied medicinal composition can treat scalding effectively, and is a good preparation with a development value.

The invention discloses a movable dam. The movable dam comprises a movable dam face, a bottom rotating shaft, a fixing base connecting piece and a hydraulic mechanism. The bottom rotating shaft is connected to the fixing base connecting piece, the movable dam face rotates through the bottom rotating shaft, one end of the hydraulic mechanism is movably connected with the fixing base connecting piece, and the other end of the hydraulic mechanism is connected with the movable dam face. The hydraulic mechanism comprises a hydraulic cylinder, a piston rod inserted in the hydraulic cylinder, a first connecting piece and a connecting rod, one end, in which the piston rod is not inserted, of the hydraulic cylinder is movably connected with the fixing base connecting piece, one end, which is not inserted in the hydraulic cylinder, of the piston rod is movably connected with the first connecting piece, the first connecting piece is movably connected to the back face of the movable dam face, the first connecting piece is movably connected with one end of the connecting rod, the other end of the connecting rod is movably connected with the fixing base connecting piece, the hydraulic cylinder is further connected with a pipeline, and a valve is arranged on the pipeline. The movable dam is reasonable in structure, firm, reliable, high in flood impact resisting capacity, free of influences of floating sundries and high in dam rising and falling speed.

The invention discloses an electrolytic cathode containing a titanium boride-carbon coating, and a preparation method thereof. The electrolytic cathode is characterized in that: a coating is coated on the surface of the electrolytic cathode, wherein the coating comprises components of, by mass: 20 to 22% of TiB2, 15 to 20% of epoxy resin, 24 to 27% of diethylene triamine, 0.3 to 0.8% of carbon fiber, and balance of graphite powder. The preparation method of the aluminum electrolytic cathode comprises steps that: the materials are sufficiently mixed and uniformly coated on the surface of the electrolytic cathode; the coating is heated from normal temperature to 150 DEG C, such that the coating is cured, and the electrolytic cathode containing the titanium boride-carbon coating is obtained.According to the invention, good wettability of aluminum liquid and the electrolytic cathode is utilized, such that aluminum oxide deposition is not easy to be left on the surface of the electrolyticcathode. Therefore, deposition or crusting is not easy to occur, current is uniformly distributed, disturbance of magnetic fields to the aluminum liquid is reduced, current efficiency is improved, energy consumption is reduced, the service life of an electrolyte tank is prolonged, and aluminum liquid level and polar pitch can be appropriately reduced. With the electrolytic cathode provided by theinvention, an average working voltage and a secondary reaction probability of the aluminum electrolyte tank are reduced, aluminum electrolytic production is improved, and the quality of aluminum products is improved.

The invention relates to the technical field of handwash basins, in particular to a full-automatic finger cleaning machine. The full-automatic finger cleaning machine comprises a cavity into which the fingers are inserted, and the cavity internally comprises a cylindrical cleaning device, a driving device and a liquid spraying device arranged on the cleaning device, wherein the cleaning device is provided with a brush, and the driving device is used for driving the cylindrical cleaning device to rotate. The full-automatic finger cleaning machine has the advantages of being complete in function, reasonable in structure and capable of completely cleaning the fingers, and therefore the fingerprint and an artery signal can be recognized more conveniently.

To improve removal of chips generated when performing high feed processing of thin-walled materials such as impellers using a multi-edge endmill. In a multi-edge endmill (1) having a cutting edge part (3) provided with multiple cutting edges and flutes (8) formed between cutting edges that are adjacent in the direction of rotation around the tool axis (O), the rake face of the cutting edge is configured from: the rake face (6a) of an end cutting edge (6) from the tool axis (O) to the outer circumference of the shank (2); the adjacent rake face (5a) of a corner R edge (5) that forms a surface different from the rake face (6a) of the end cutting edge (6); and the adjacent rake face (4a) of a peripheral cutting edge (4) that forms a surface different from the rake face (5a) of the corner R edge (5). Between the rake face (6a) of an end cutting edge (6) and the flank (6b) of the end cutting edge (6) that is adjacent on the forward side thereof in the direction of rotation (R), a gash (7), which configures a space that is continuous with the flute (8), is formed, and one surface that configures the gash (7) also serves as the rake face (6a) of the end cutting edge (6).

The invention discloses an OGS (one glass solution) capacitive touch screen and a method for manufacturing the same. The method for manufacturing the OGS capacitive touch screen includes chemically strengthening the surfaces of a glass substrate, and then coating a transparent conducting film layer on one surface of the glass substrate; etching a circuit on the transparent conducting film layer to obtain a conducting glass substrate with distributed conducting film layer patterns; performing screen printing on positions, except for small conducting holes, of a frame by insulating printing ink, curing the printing ink and forming a black insulating film layer; performing screen printing on the small conducting holes by conducting printing ink and nano-silver paste; adhering the nano-silver paste with a flexible printed circuit to obtain the touch screen. The frame is arranged on the surface, which is coated with the transparent conducting film layer, of the glass substrate. A viewing area is arranged inside the frame. The OGS capacitive touch screen and the method have the advantages that requirements on the appearance quality (namely, coloring of the frame of the touch screen) and the functional quality (in other words, edge electrodes of the touch screen are sufficiently and firmly connected and conducted with the flexible printed circuit) of the OGS capacitive touch screen can be met simultaneously, the bonding strength of the small conducting holes and the flexible printed circuit is improved, accordingly, the conductivity of the OGS capacitive touch screen is improved, the product yield is increased, and the production cost is reduced.

The invention relates to a food cooking appliance, in particular to an air fryer for cooking by using air as a medium. The air fryer comprises a pot body, a fryer body, a fryer pot, a motor, a heating body, an air inlet fan and an air outlet fan, wherein a hollow column body upwards hunches at the central position, the air inlet fan and the air outlet fan are arranged in the column, are coaxially arranged and are driven by the motor, the air inlet fan is located above the air outlet fan, and the heating body is arranged between the air inlet fan and the air outlet fan. A hollow column also upwards hunches from the middle of the fryer, and the column body upwards penetrates into the column when the fryer body is put in the pot body. The air fryer is simple and reasonable in structural design, the column body directly hunches from the pot body, the thickness of the pot body can be decreased by arranging the fan and the heating body in the column body, and a hot air path can be shortened, so that hot air can rapidly heat foods. Hot air goes in and out of the pot body through the column body, a lampblack contamination range is narrowed, and oil stain is not likely to be left in the column body.

The invention discloses a novel drying oven. The novel drying oven comprises an oven shell, an air exhaustion hole, an air inlet, a flat plate and a support used for placing the flat plate, wherein a tray used for placing dried materials is arranged on the flat plate; the flat plate is an air-permeable type flat plate; and an air inlet tube is arranged on a drying box for inlet nitrogen or carbon dioxide or inert gases. In the novel drying oven, steam evaporated from wet materials to be dried can be quickly exhausted through an air-permeable structure due to the adoption of the air-permeable type flat plate, and the mass transfer is rapid, so steam pressure of the evaporated steam is lowered, the steam is not easily detained and condensed, and the drying speed is greatly improved; and under the condition of introducing a proper gas such as nitrogen into the air inlet tube, permeable holes can obviously improve the flowing and distribution of the nitrogen in the drying oven, so the steam at all parts of the drying oven can be quickly taken away along with the nitrogen, and the drying speed is further quickened.

The invention discloses a process for repairing the breakage of a rotary kiln tyre / roller, comprising the following steps of: performing fixed connection at the two sides of a crack, cutting out a U-shaped crevasse, grinding, sequentially depositing a binding layer, a transition layer, a work layer and a processing layer at the crevasse, dismounting a fixing plate, and carrying out overall grinding and polishing. The process for repairing the breakage of the rotary kiln tyre / roller provided by the invention is low in repairing price, which is only 100,000-1500,000 Yuan, low in investment, simple in process, convenient to operate, easy to learn and grasp, novel in technology, low in cost, and practical and reliable; therefore, the process not only increases income and reduces expenditure for the country but also makes an enormous contribution to consumption reduction and energy conservation as well as resource conversation and efficiency improvement for an enterprise.

The invention relates to an inhaul cable structure capable of being filled with dry air and a realizing method thereof. The inhaul cable structure comprises a cable body (11). Two ends of the cable body (11) are respectively connected with an upper anchorage device and a lower anchorage device, at least two stainless steel air inlet tubes (9) are arranged on the upper portion of the cable body (11), and at least two stainless steel air outlet tubes (21) are arranged on the lower portion of the cable body (11). According to the inhaul cable structure capable of being filled with the dry air and the realizing method thereof, water in the inclined inhaul cable body can be drained when the dry air is filled in the stainless steel air inlet tubes, and therefore hazardous substances such as the water can not be retained in the inclined inhaul cable body easily, steel wire corrosion can be avoided, and use stability of an inclined inhaul cable is guaranteed; humidity sensors are arranged on end mouths of the stainless steel air outlet tubes, and therefore environmental conditions of steel wires in the inclined inhaul cable can be monitored through humidity changes after the dry air flows in the cable body, and safety of the inclined inhaul cable is improved.

The invention relates to asymmetrical heart valve prosthesis. The asymmetrical heart valve prosthesis comprises a stent and an artificial valve; the stent comprises an atrium section, a supporting section and a valve sewing section; the supporting section is connected with a far end part of the valve sewing section; the atrium section is connected with the supporting section, or the atrium section is connected with the far end part of the valve sewing section; the artificial valve is fixedly connected with the valve sewing section; in a cross section which is perpendicular to the central axis of the artificial valve, the centre of the valve sewing section is not overlapped with the centre of the supporting section; the cross-sectional area of the valve sewing section is smaller than that of an autologous valve ring of a patient; in a free state, the valve sewing section is at least partially positioned between autologous valve leaflets of the patient; the cross-sectional area of the atrium section is greater than or equal to that of the autologous valve ring of the patient.

The invention discloses anti-dazzle glass etching liquid which comprises, by weight parts, 35-45 parts of hydrofluoric acid, 5-10 parts of ammonium bifluoride, 12-20 parts of ammonium fluoride, 2-10 parts of calcium fluoride, 1-5 parts of potassium bifluoride, 10-25 parts of ammonium chloride, 3-10 parts of potassium sulfate, 1-5 parts of barium sulfate, 1-5 parts of potassium phosphate, 0.1-3 parts of sodium fluoroborate, 1-3 parts of agar, 1-3 parts of sodium alginate, 2-5 parts of sodium carboxymethyl cellulose, 0.1-2 parts of silica sol, 0.2-1.5 parts of butadiene styrene rubber, 1-3 parts of propylene glycol, 1-5 parts of propylene glycol, 1-5 parts of propanediol, 0.5-2 parts of sucrose, 30-50 parts of sulfuric acid solution and 100-150 parts of water. The invention further provides a method for preparing the anti-dazzle glass etching liquid. A process is simple, the conditions are moderate, the obtained etching liquid is good in stability; and prepared anti-dazzle glass is high in transmittance and degree of atomization, excellent in impact resistance and good in anti-dazzle effect.

A disclosed preparation method for sea cucumber polypeptide for promoting postoperation wound healing is characterized by comprising technological steps of pretreatment, heating denaturation, cooling fragmentation, heating enzyme-killing, coarse filtration and alcohol precipitation, vacuum condensation, standing precipitation, filtering and freeze drying. The prepared sea cucumber has good immunoloregulation effect on body, also has extremely substantial wound healing promotion effect, and is capable of promoting wound to heal 4-5 days early, and the healed wound is flat and no scar is left.

The invention relates to a traditional Chinese medicine composition for cosmetics cream and facial mask and a mixed extraction solution of the traditional Chinese medicine composition. The traditionalChinese medicine composition is prepared from the following traditional Chinese medicinal materials in parts by weight: 10 to 20 parts of herba centellae, 10 to 12 parts of radix asparagi, 8 parts ofherba cynomorii, 10 to 12 parts of semen cuscutae, 10 to 15 parts of licorice roots, 10 to 15 parts of radix salviae miltiorrhizae, 12 to 15 parts of radix paeoniae alba, 12 to 15 parts of raw rhizoma atractylodis macrocephalae, 9 parts of fructus chaenomelis lagenariae, 9 parts of fructus hippophae, 6 parts of lucid ganoderma, and 9 parts of radix scutellariae. The traditional Chinese medicine composition has the effect of multiple target points and multiple efficacies, and has the efficacies for whitening, moistening, removing the wrinkles, resisting the senescence, fading the spots, fadingthe scar, avoiding the face obesity, and inhibiting the excessive excretion of sebaceous gland; the traditional Chinese medicine composition has the characteristics of reasonable structure, significant efficacy and the like, and has the effect of supplementing each other; smearing is time-saving and rapid; and moreover, the combined formula can be appropriately adjusted according to different requirements of the cosmetics, and flexibility and convenience can be realized.

The invention discloses a garbage collection and processing equipment for lake and river channel treatment. The garbage collection and processing equipment includes floating plates and cross beams, the two ends of the cross beams are both connected with the floating plates, the bottoms of the floating plates are connected with counterweight net barrels, and load-bearing floating plates are connected to the ends, far away from the cross beams, of the bottoms of the floating plates. When an impeller rotates, garbage in water is turned upwards, the garbage can be attached to the side faces of a net frame, and subsequent collection is facilitated. The garbage on the side face of the net frame can be scraped away by a net plate, the garbage can be treated in time, and meanwhile, the net frame can conduct normal filtering without being blocked. During rotation of the net plate, several cutting blades on the side face of the net plate cut and crush the garbage, the size of the garbage is reduced, transportation of the net plate and storage of a storage box are facilitated, and the occupied space is saved. The width of the river channel or the lake surface is too large, multiple interception devices can be installed according to the actual situation, the multiple cross beams can be used in cooperation to improve the garbage removing efficiency, and dead spots for cleaning are not proneto being left.

The invention provides a wound cleaning liquid, which comprises an active component, an osmotic pressure regulator and deionized water; the active component is one or more from a wormwood extract, an aloe extract and a mint extract. The wound cleaning liquid provided by the invention has no stimulation to a wound, can clean the wound, also has bactericidal, anti-inflammatory, analgesic, and wound healing promoting effects, and scars are not easy to leave.

The invention discloses a preparation method of a glazed Buddhist utensil. The preparation method comprises the following steps of designing a product drawing designing, manufacturing a loam mold, modeling a silicone mold, casting to obtain a wax model and taking out the wax model, repairing the wax mold, manufacturing a plaster mold, removing wax to manufacture a fire-resistant plaster hollow female mold, preparing raw materials, firing at high temperature, stripping the mold, cutting and grinding, refining products, and polishing the products, Wherein the preparation method also comprises a product core mold manufacturing step between the step of repairing the wax mold and the step of manufacturing the plaster mold, and also comprises mold separation and assembly steps between the step of removing wax to manufacture the fire-resistant gypsum hollow female mold and the step of preparing the raw materials. The preparation method is suitable for demolding and firing of large hollow products, reduces residual fingerprints and paint, and adopts a precision annealing process thus products prepared by the preparation method have heat-resistant and cold-resistant capabilities and are not easy to crack.

An absorptive article which effectively utilizes the advantage of a perforated film, softens the contact with the skin and hardly stagnates fluid. The absorptive article is provided with a surface layer 10 on the surface of an absorptive core. The surface layer 10 is formed by joining belt-like fiber layers 12 formed of continuous filaments, etc. to the perforated film 11 by spaced joint lines. The Loops 14a and 14b are formed by the fiber layers 12 between the joint lines when the perforated film 11 is shrunk. Loops 14a and 14b follow up the movement of the skin to eliminate the feel of stimuli and rapidly introduce the fluid to the perforated film 11.

The invention discloses a hydrophobic anti-corrosion ceramic coating, which uses epoxy resin and modified silicone resin as a film-forming material, and adds various fillers, auxiliary agents and solvents, including body fillers, pigments and fillers, curing agents, coloring Agent, toughener, diluent, leveling agent, epoxy coupling agent and solvent. The hydrophobic anti-corrosion ceramic coating of the present invention has stable performance, strong adhesion, excellent salt water resistance, strong acid and alkali corrosion resistance, good weather resistance, high hardness, and excellent wear resistance; and it is environmentally friendly and non-toxic (low VOC), and has Good protection, decoration and functional effects, low price of raw materials, simple preparation method, suitable for the surface of metal substrates that need to be protected under harsh corrosion environments.

The invention discloses a vertical internal and external mixing shaft-seal-free self-sucking pump which comprises a pump body, a pump cover, a pump shaft, a main impellor, a main impellor seal chamber, an assistant impellor chamber, an assistant impellor, a water sucking chamber, a water outlet, a water inlet pipe, a water inlet pipe flange, a volute chamber and a gas-water separation chamber, wherein the top surface of the main impellor and the top surface of the assistant impellor are respectively provided with a radial main impellor balancing rib and a radial assistant impellor balancing rib; the outer edge at the bottom surface of the assistant impellor is fixedly provided with an annular seal pad; and the bottom surface of the assistant impellor chamber is provided with an annular supporting plate. Through the self-sucking pump provided by the invention, the issue of air intake of a shaft seal can be solved, high-vacuum continuous air exhaust can be kept all the time in the self-sucking process, the self-sucking capability is improved, and the self-sucking time is shortened.

The invention provides a frost-resistant composite blow-off pipe, comprising a pipe body, wherein the pipe body comprises a PE (polyethylene) layer serving as a main body, a graphite layer is arranged in the PE layer, a hydrophobic corrosion-resistant layer is arranged in the graphite layer, a temperature adjusting layer is arranged outside the PE layer, a thermal insulation layer is arranged outside the temperature adjusting layer, a PVDF (polyvinylidene fluoride) layer is arranged outside the thermal insulation layer, and a frost-proof layer is arranged outside the PVDF layer. The blow-off pipe provided by the invention is compounded with a multilayer structure, and is a cold-proof and frost-resistant multilayer blow-off pipe with a long service life.

The invention discloses a bidirectional self-shedding stripping machine for cable recovery and an application method thereof, and belongs to the field of cable stripping. According to the bidirectional self-shedding stripping machine for cable recovery and the application method thereof, the stripping machine can be connected with a wire core winding shaft, the wire core winding shaft rotates to automatically drive a cable to move forwards, the cable can penetrate through a reverse stripping cylinder after being scratched, the wire core can be effectively separated from the cable sheath through the arrangement of the inner diameter difference between a wire core flat hole and a special-shaped curved surface hole, and the cable sheath of the cable is blocked under the cooperation of a streamline-shaped stop block and a reverse warping block at the junction of the wire core flat hole and the special-shaped curved surface hole, so that the end part of the cable sheath is tilted, and the cable sheath reversely moves towards the outer side of the special-shaped curved surface hole along the inner wall of the special-shaped curved surface hole, thereby realizing an effect that the cablesheath automatically falls off without manual stripping, effectively reducing the workload of the recovery personnel, and remarkably improving the cable stripping efficiency.

The invention relates to a waste engine oil propane extraction tower. In the extraction tower, a stable top-high and bottom-low temperature gradient is formed by heat exchange pipe bundles, which are located at the upper part of the tower, are used for raising water temperature and heating, are vertical to the ground and have the lengths of 3m-12m, in a temperature range of 10 DEG C to 100 DEG C and a pressure range of 4.0MPaG and 5.0MPaG; grid fillers at the lower part of the tower are used for enhancing mass transfer; the heat exchange pipe bundles are electromagnetically vibrated to remove pipe bundle scales; the grid fillers are electromagnetically vibrated to remove filler scales; the heat exchange pipe bundles are matched with a spiral baffle so as to enhance heat transfer and prevent scales; and bitumen is prevented from high-temperature metamorphic hardening or low-temperature condensation by water temperature rising and heat tracing of a bituminous section of a tower kettle.

The invention relates to color steel plate rolling forming machining equipment and a rolling forming machining method. The color steel plate rolling forming machining equipment comprises a mounting frame, a rolling device, a first connecting rod, a cleaning device, a second connecting rod and a driving device. The upper side of the mounting frame is connected with the rolling device, and the lower side of the left end of the mounting frame is connected with the cleaning device through the first connecting rod. The lower side of the right end of the mounting frame is connected with the driving device through the second connecting rod. The equipment can solve the problems that during color steel plate rolling, scraps and residues are prone to being attached to the upper side surface and the lower side surface of a color steel plate, traditional cleaning methods such as washing and brush brushing are poor in cleaning effect, the scraps and the residues are still prone to remaining on the surfaces, and scars can be left on the surface of the color steel plate if rolling is conducted directly; and when the color steel plate is rolled, due to non-uniform pressure distribution at the rolling tail end, the color steel plate can rebound or slightly deform easily after being formed, so that irregular deformation of the color steel plate is caused, and the attractiveness and the quality of the color steel plate are influenced.

An automatic disturbance packing type wet process purification device is characterized by comprising a casing, a pipeline, a valve, a filter and a circulation pump, wherein an air inlet is formed in the upper portion of the casing, an air outlet is formed in the lateral lower portion of the casing, and a distribution plate, a spraying connection pipe, a fixing frame, a packing layer and a liquid storage tank are arranged in the casing from top to bottom in sequence. The pipeline is arranged outside the casing and enables the liquid storage tank to be communicated with the spraying connection pipe, and the valve, the filter and the circulation pump are arranged on the pipeline. The air outlet is formed in the casing between the liquid storage tank and the packing layer, a demister and a flushing system are arranged at the position of the air outlet, a water drain port of the flushing system is communicated with the liquid storage tank and a flushing basin respectively through pipelines, and a water supply port of the flushing system is communicated with the flushing basin through a pipeline.

The invention provides a steam box which comprises an inner liner, a steam generator and a steam condensation cavity, wherein a steam through hole is formed in the inner liner; the steam generator communicates with the inner liner through a first pipeline; the steam condensation cavity communicates with the steam through hole; and condensation assemblies are arranged in the steam condensation cavity. Steam generated by the steam generator enters the inner liner through the first pipeline; and food materials in the inner liner are heated by the steam. Redundant steam ascends and enters the steam condensation cavity through the steam through hole, so that the steam can easily remain in the inner liner; most steam enters the steam condensation cavity; and through being influenced by the condensation assemblies, the steam releases heat and is condensed into liquid drops to be stored in the steam condensation cavity. Therefore the accumulation and outward leakage of the steam in the inner liner are prevented.

The invention discloses an efficient numerical control vehicle clamp and a clamp installation method. The clamp comprises a correction core shaft and a face plate, the face plate is provided with a mounting hole, a guide sleeve, two clamping mechanisms and two pressing mechanisms, wherein the clamping mechanisms are distributed in axis symmetry about the face plate, the pressing mechanisms are distributed in axis symmetry about the face plate, a correction plate is arranged above the face plate and is connected with the guide sleeve through a guide rod, the correction plate is provided with acorrection hole coaxial to the face plate, and the correction hole coincides with the correction core shaft; the clamping mechanisms comprise fixing blocks connected with the face plate, each fixing block is provided with a guide hole, the guide hole is internally provided with a movable block, protrusions are arranged at the two sides of the end, close to the core part of the face plate, of the movable block, a through hole is formed in the end, away from the core part of the face plate, of the movable block and is internally provided with a ball head, and a screw is connected to the ball head and penetrates through one side of the movable block and is connected with the fixing block through a supporting plate. A machining tool for an end cover vehicle has the advantages of being high inefficiency and high in surface machining quality.