43results about How to "Reduce production and transportation costs" patented technology

The invention discloses a suspension emulsion type slick water friction reducing agent and a preparation method thereof. The suspension emulsion type slick water friction reducing agent is composed of, by weight part, 35-55 parts of white oil, 0.5-3.5 parts of stabilizer, 0.5-2.5 parts of rheological modifier, 25-55 parts of polyacrylamide powder, 2.5-55 parts of emulsifier and 0.2-0.6 part of preservatives. The prepared suspension emulsion type slick water friction reducing agent has the advantages of being high in dissolving speed, friction reducing rate and compatibility, low in consumption, simple in process and the like. Compared with the prior art, the polyacrylamide powder and the white oil are simultaneously applied to the suspension emulsion type slick water friction reducing agent to increase the system dispersion effects, the solid content of the suspension emulsion type slick water friction reducing agent and the system dissolving speed, and meanwhile to reduce the production and transportation costs; the emulsifier and the preservatives are introduced to ensure good appearance and a long storage period of the suspension emulsion type slick water friction reducing agent, which accordingly is better applied to industrial production.

The invention provides an edible mushroom dreg activity and soil fertility regulating compound and a preparation method thereof. The compound is prepared from, by weight, 85-90 parts of edible mushroom dregs, 3-5 parts of wheat bran, 3-5 parts of insecticidal components, 3-5 parts of attapulgite, 0.5-1 part of monopotassium phosphate, 0.5-1 part of urea and 1-2 parts of lime. The live edible mushroom dregs are directly utilized, fermentation is not needed, the mycelium activity in the mushroom dregs is kept and improved on the basis that various nutrients are ensured, the quality of organic fertilizer, is improved, an organic biological activity function is improved, soil microbial communities and a soil environment are improved, the soil fertility is improved, and the crop yield and quality are improved.

The invention belongs to the technical field of the production of phosphate in inorganic chemical industry, in particular to a production technology for preparing low-polymerization-degree water-soluble ammonium polyphosphate from ammonium phosphate. The method is used for preparing a solid low-polymerization-degree ammonium polyphosphate product which is good in water solubility by innovatively mixing and heating ammonium phosphate, ammonium phosphate, urea and water which are taken as main raw materials. The method is low in production energy consumption, easy in production control, relatively easy in operation, easy in product package convenient in use and capable of reducing production and transportation costs, and the produced solid low-polymerization-degree ammonium polyphosphate product contains less than 0.15wt% of water-insoluble matters; the solid ammonium polyphosphate product is suitable for preparing a high-quality liquid fertilizer, applicable to airplane spraying forest fire fighting, liquid fertilizer airplane spraying, preparation of other liquid fertilizer and other purposes, and the solid ammonium polyphosphate product can be used for greatly promoting the rapid development of Chinese modern agriculture.

The invention discloses a sectional type communication tower device used for 5G signal forwarding. The sectional type communication tower device comprises a machine seat and a communication tower body; a fixed bottom plate is fixedly welded to the bottom of the machine seat; positioning holes are annularly distributed in the surface of the fixed bottom plate; a cavity is formed in the machine seat; a climbing mechanism is slideably installed in the cavity; sliding wheels are fixedly welded to the two sides of the climbing mechanism correspondingly; the communication tower body is fixedly installed on the upper surface of the machine seat; a bearing seat is fixedly installed in the position, located on the upper surface of the machine seat, of one side of the communication tower body; a screw rod is rotationally installed in the bearing seat; a platform is fixedly connected to the top of the communication tower body; a cat ladder is fixedly welded to the position, located on one side ofthe communication tower body, of the upper surface of the machine seat; a motor is in key joint with the position, located on the lower surface of the platform, of one end of the screw rod; the motoris electrically connected with an external power source; and a tool kit is screw joint with the surface of the screw rod. The production cost and transportation cost are reduced, and the burden of maintenance operators is relieved.

The invention relates to an oilfield on-site production method of a fermentative microbial solution from oil-displacement microbes, belonging to the field of production of a microbe oil-displacement microbial inoculum. The oil-displacement microbes are oil-displacement microbe strains which have been screened and determined, comprise endogenous and exogenous microbes, and can enhance the oil recovery ratio. The method comprises the following steps: boiling 5-20 times of culture medium in a proportioning tank, transferring into a fermentation tank, directly adding untreated domestic drinking tap water or underground water to dilute to the required concentration, inoculating a 1-20% (V / V) seed solution, and carrying out constant-temperature fermentation according to the requirements of strain growth for an appropriate time period, wherein the fermentative microbial inoculum is used for oil well injection. The method does not need to perform high-pressure steam sterilization and asepsis on the culture medium, can implement simple low-cost on-site production of the oil-displacement microbial inoculum, can enhance the on-site production efficiency of the microbial inoculum, reduces the production and transportation cost of the microbial inoculum factory, and ensures the activity of the microbial inoculum. The method provides a fermentative microbial inoculum on-site production method which is simple to operate, reduces the problem of infectious microbe pollution, and enhances the oil displacement effect of the microbes.

The invention discloses a powdery emulsion explosive for on-site mixed loading. The powdery emulsion explosive comprises powdery latex substrate and a sensitizer. The mass ratio of the powdery latex substrate to the sensitizer is 30: (1-1.5). The powdery latex substrate comprises sodium nitrate, crystal modifiers, flame inhibitors, water, compound additives, oil-phase materials, compound emulsifiers and emulsification assistants. The sensitizer comprises expanded perlite, carboxymethyl cellulose, polyvinyl alcohol, ammonium bicarbonate, phosphoric acid, water, urea and ammonium nitrate. The invention further discloses a preparation method of the powdery emulsion explosive for on-site mixed loading. The emulsion explosive has high detonation velocity, brisance and coupling degree and few fumes; cost is low, the state of the explosive is hard, and work capacity is high; less poisonous gas is generated during preparation, safety of operators can be improved, and environment protection can be realized; the preparation process is simple and easy to operate.

The invention discloses a preparation method of high-solid-content emulsified SBS (styrene-butadiene-styrene) modified asphalt and an application of the modified asphalt in micro-surfacing. The preparation method of the emulsified SBS modified asphalt comprises the steps as follows: the SBS modified asphalt is heated to 170-190 DEG C, liquid soap is prepared by a slow-breaking and quick-setting asphalt emulsifier and water, temperature is adjusted to 45-65 DEG C, acid is adjusted to 1.5-2.5, 65-80 parts by weight of asphalt and 20-30 parts by weight of liquid soap are added into a colloid mill simultaneously for high-speed grinding and shearing, then the temperature is reduced to be lower than 80 DEG C through a heat exchanger, and a high-concentration modified emulsified asphalt product can be produced. The prepared emulsified SBS modified asphalt has the characteristics of high solid content and low production and transportation cost; and a mixed micro-surfacing thin pulp mixture has the characteristics that mixing time meets requirements, the film forming performance of the asphalt on the surface of a stone is good, the high-temperature property and wear resisting property are excellent, early strength is formed quickly, and a pavement can carry traffic earlier.

The invention discloses a molten iron vehicle scheduling system and scheduling method, and the method comprises the steps: enabling a vehicle-mounted mobile terminal to be connected with a local areanetwork through a factory WIFI base station, and enabling the vehicle-mounted mobile terminal to keep communication with a command monitoring device through a server; connecting avehicle-mounted wireless positioning module with the local area network through the factory area WIFI base station, and enabling the vehicle-mounted wireless positioning module to transmit information to a command monitoring device through the server; arranging a vehicle-mounted RFID tag on the molten iron transport vehicle, wherein an RFID read-write device is connected with the local area network through the RFID base station and the factory WIFI base station, the RFID read-write device transmits information to the command monitoring device through the server, and the RFID read-write device reads the vehicle-mounted RFID tag and obtains molten iron transport vehicle information; and connecting the command monitoring equipment to a monitoring large screen through the server. According to the invention, the technology of combining Beidou / GPS dual-mode positioning and stop point RFID identification is adopted, so that accurate positioning of the stop point can be realized even if the stop point is shielded,and the problems that the traditional molten iron vehicle scheduling depends on manpower, the position information feedback is not timely, the positioning is inaccurate and the like are well solved.

The invention relates to the technical field of bridge expansion joints and discloses a height-adjustable bridge expansion joint component capable of realizing transverse connection. The height-adjustable bridge expansion joint component comprises two substrates, the two substrates are symmetrically distributed, the opposite sides of the two substrates are each connected with a plurality of rod parts in a sliding mode, the rod parts are distributed in a linear array mode and are tightly attached to one another, first strip-shaped holes are formed in the surfaces of the substrates, and second strip-shaped holes are formed in the side faces of the rod parts. The bridge expansion joint component is adjustable in height and capable of realizing transverse connection. The two ends of the connecting plate can be fixed in the two grooves by tightening the second bolts. Therefore, connection between adjacent rod parts is achieved, the situation that too long rod parts are customized when the bridge floor is wide is avoided, the production and transportation cost is reduced, the height of the rod parts can be adjusted by sliding the rod parts to change the relative positions of the first strip-shaped holes and the second strip-shaped holes and screwing down the first bolts to fix the rod parts again, and height alignment of the rod parts on the two sides is facilitated.

The invention relates to a rapid production method of yarn-dyed fabric based on a cloud platform. The method includes: uploading an image of the produced yarn-dyed fabric A determined by category andproduction information to a cloud platform, selecting an image of A matched with the yarn-dyed fabric B to be produced and producing B with reference to the production information of A, the matching is that the image of B is inputted to the identification network corresponding to the class B to obtain the code of B after the class B is determined, selecting an image of A corresponding to the codeexactly consistent with the code, The construction process of the identification network is as follows: with the image and encoding of A in the same category as input and output, Firstly, all parameters of the VGG network are adjusted continuously, and the relatively optimal generation parameters are selected to substitute into the VGG network to obtain the pre-identification network. Secondly, the parameters of the whole connection layer network of the pre-identification network are adjusted continuously, and the relatively optimal generation parameters of the whole connection layer network are selected to substitute into the pre-identification network to obtain the identification network. The invention realizes high-precision and high-efficiency on-line retrieval of yarn-dyed fabric, shortens the production cycle and saves the cost.

The invention discloses a high-effective water-loss reducer and application, which is composed of water-loss reducer, starch and mineral with weight rate at 1000:10-20: 20-30, wherein the mineral contains at least one nitrogen, phosphor, potassium and microelement. The invention forms gel-shaped hydrate with water, which is buried to fitful depth to adsorb water from water enough environment and release water in the drought environment.

The invention discloses radix astragali and acanthopanax gracilistylus soluble powder for poultry and a preparation method thereof. The soluble powder prepared by adding glucose as an auxiliary material on the basis of a formula which comprises radix astragali and acanthopanax senticosus and changing a dosage form and a process can be used for effectively treating the diseases, namely chicken immunodeficiency, anti-stress and the like. According to the radix astragali and acanthopanax gracilistylus soluble powder, the dosage form is changed on the basis of a human medicine radix astragali and acanthopanax gracilistylus tablet, so that the medicine can be used for poultry animals; an extraction preparation process is also changed, so that the yield of syringin extracted from the acanthopanax senticosus is higher; glucose is added as the auxiliary material, so that the prepared soluble powder has good formability, hygroscopicity, solubility and mouthfeel.

The invention discloses a high-performance mixed-loaded emulsion explosive. The explosive is composed of the following components in parts by mass: 60 to 70 parts of an oxidizing agent, 5 to 7 parts of an oil phase, 10 to 15 parts of water, 5 to 7 parts of aluminum powder, 1 to 3 parts of an emulsifier, 0.5 to 1.2 parts of a sensitizer, 0.02 to 0.05 part of a sensitization accelerator and 1 to 2 parts of a flame inhibitor. The oxidizing agent is composed of the following components by the weight percentage: 35 to 45% of ferric nitrate, 15 to 18% of sodium nitrate, 5 to 7% of zinc nitrate, 7 to9% of calcium nitrate and the balance being ammonium nitrate, wherein the sum of the weight percentages of the components is 100%. The oil phase is composed of the components in parts by mass: 3 to 5parts of engine oil, 1 to 3 parts of diesel oil, 0.5 to 1 part of petroleum calcium sulfonate, 1 to 3 parts of microcrystalline wax, 0.7 to 1.0 part of vegetable pitch and 1 to 2 parts of base oil. The invention further provides a preparation method of the high-performance mixed-loaded emulsion explosive; the preparation method is simple and easy to implement, and the prepared emulsion explosiveis good in stability and low in cost.

The invention relates to the technical field of wall structure assembly, in particular to a wall system. The wall system comprises a prefabricated foundation, prefabricated floor slabs and wall boardassemblies, wherein each wall board assembly comprises multiple prefabricated wall boards, a top bolt installing portion, a bottom bolt installing portion and side bolt installing portions are arranged at the top, the bottom and two sides of each prefabricated floor slab, multiple prefabricated wall boards form a square shape and are fixedly connected through matching of the side bolt installing portions and bolts. A basic bolt installing portion is arranged on the prefabricated foundation. Floor slab bolt installing portions are arranged on the prefabricated floor slabs. By adopting a full-dry bolt mechanical-fastened connection mode, the structural system is reasonable in stress, slab members are used as main members, the members are convenient to dismount, and the wall system is simplein design and suitable for the structural systems of fabricated buildings. All the members have no extending-out bars, production, storage and transportation of prefabricated members are facilitated,the wall system is suitable for production based on production lines, the production and transportation costs are reduced, almost no wet operation is adopted, a constriction process is simple, and theconstruction efficiency is high.

The invention discloses a construction method of an embedded FRP rib-reinforced roadway roof. The construction method comprises the steps that after roadway tunneling work is stopped, anchor rod holesare constructed in empty positions of the roadway roof; a rectangular groove is constructed in the roof in the width direction of a roadway according to the array pitch of an existing anchor rod support structure; oblique holes at certain angles are constructed in positions, close to the shoulder position of the roadway, of the two sides of the groove; rock debris and impurities in the groove andthe oblique holes are removed; a resin anchoring agent is injected into the groove and the oblique holes; FRP ribs are placed in the groove in the roadway roof and the oblique holes constructed in the two sides of the groove; after the FRP ribs are completely bonded on surrounding rock of the roadway roof through the anchoring agent, the groove is completely filled with cement paste and is leveled up; and double-row steel bar joists are arranged in the length direction of the FRP ribs, and anchor rods penetrating through the double-row steel bar joists are fixed to a rock layer of the roadwayroof through the resin anchoring agent, so that construction work of one support link is completed. According to the construction method, operation is simple, and the tensile deformation resistance of the roadway roof can be effectively enhanced.

The invention discloses a running belt driving mechanism of a treadmill. The mechanism includes chassis, a running board, a driving roller, a driven roller and an annular running belt. The running board is fixed on the chassis, and the driving roller and the driven roller are installed on the chassis installed on the front and rear sides of the running board, the two sides of each chassis are provided with edge strips, the annular running belt sleeves the driving roller and the driven roller, the running board is located in the annular running belt, the driving roller includes a roller body, the roller body is internally provided with an outer rotor brushless motor, the outer rotor brushless motor includes a stator coil, a rotor magnet sheet and a motor shaft, the stator coil is installedon the motor shaft, the rotor magnet sheet is fixed on the inner wall of the roller body, bearings are installed at the two ends of the motor shaft, and the two ends of the roller body are provided with a front end cover and a rear end cover provided with fan blade type ventilation holes. The cost is reduced, the production and maintenance cost is reduced, the transmission efficiency of the motoris improved, and the service life of the treadmill is prolonged.

The present invention discloses a method for preparing anhydrous sodium chromate. The method comprises the steps of mixing a sodium chromate alkali solution with a carbonating solution in proportion of (1:1) to (8:1), and then, adjusting the pH to 6.5-8.5 to obtain a pretreatment solution of sodium chromate; placing the pretreatment solution of sodium chromate in an evaporation crystallizer for vacuum evaporation at the temperature of 80 DEG C to 120 DEG C under the pressure of 0.01 MPa to 0.09 MPa; and when the solid-to-liquid ratio reaches 10%-50% through vacuum evaporation, performing solid-liquid separation at the temperature of 70 DEG C or above to obtain anhydrous sodium chromate and a filtrate. Based on the technology characteristics of sodium dichromate preparation by a carbonation method, high-quality anhydrous sodium chromate is successfully prepared by the method disclosed by the invention, with the main content being equal to or greater than 99.5% and the content of all impurities such as sulfate being less than 0.001%; moreover, the product does not absorb moisture or cake even if stored for a long term, and has good fluidity. The problems of sodium chromate tetrahydrate on easy moisture absorption, caking and poor fluidity are successfully solved. The method also brings into play the superiority of a production process of preparing sodium dichromate from a chromium salt by the carbonation method, so that two high-quality chemical products can be produced on one production line.

The invention discloses a spread flavored fermented milk, which comprises the following raw materials by percentage: 60-70% of raw milk, 0.005% of a fermentation strain, 8-10% of white granulated sugar, 2-4% of skim milk powder, 3-5% of milk protein concentrate, 0.1-0.3% of cooked cheese powder, 8-25% of watery cream, 0.2-0.7% of condensed milk, 0.1-0.5% of agar, 0.2-1.0% of starch, and the balance purified water. The preparation method of the fermented milk comprises the steps of: 1) material compounding: heating the raw milk, adding the raw materials into the heated raw milk, performing stirring for full dissolution, mixing the substances evenly, and adding purified water to a constant volume; 2) carrying out homogenization and sterilization on the prepared material liquid; and 3) cooling the prepared fermentation base material, then inoculating a fermentation strain, starting fermentation, then performing demulsification at the end of fermentation, and then performing filling, thus obtaining a required product. The spread flavored fermented milk provided by the invention is thick, non-crisp, not hard, and free of wire drawing, has delicate and lubricating, natural and soft taste, stable structural state, and has better spread ductility. Also, the preparation method is simple, and is convenient in operation, thus facilitating popularization and application.

The invention relates to a wax emulsion with low viscosity and high solid content, a preparation method thereof and an emulsifier thereof. The emulsifier of the invention is prepared from raw materials containing the following mass parts ratio: 3-8 parts of sodium lauryl diphenyl ether disulfonate; 2-8 parts of sorbitol fatty acid ester; 1-9 parts of polyoxyethylene ether sorbitol fatty acid ester; 12-30 parts of A165 self-emulsifying monoglyceride; 4-12 parts of Brij-30 or brij-35; 1-6 parts of stearic acid. The high solid content wax emulsion of the invention is prepared from raw materials containing the following mass percentages: 50-55% of paraffin wax; 5-5.5% of that above emulsifier; 3-8% of assistant emulsifier; 0.1-0.5% of fluoropolymer; 0.2% of silicone oil defoamer; water allowance.

The invention discloses a consumable type intelligent household vegetable planting machine control system and a control method. The control system comprises a feeding system, a growing chamber, a control system body and a waste treatment system, wherein the feeding system is used for controlling time for supplying varieties of fed materials and dose amounts of the fed materials, and the materials include water, electricity, air, varieties of concentrated nutrient solution and varieties of planting bags; the growing chamber is used for providing a vegetable growing space with an appropriate water, fertilizer, air, temperature, humidity and light environment for vegetables to grow according to requirements; the control system body is applied to a man-machine interactive interface to collect data of a plurality of sensors of the whole system according to user set and to analyze and process the data, can control cooperative work of varieties of execution systems through prestored strategies and can adjust at the right moment according to feedback data of the sensors to meet requirements of users; the waste treatment system can automatically clean the system through water flushing, air blowing and sweeping, can exhaust waste water and water materials and keeps long-time stable work of the system. The consumable type intelligent household vegetable planting machine control system achieves the purpose of producing pesticide-free healthy fresh vegetables for family in a household water supply and power supply environment.

The invention relates to a large-span deck type concrete-filled steel tube arch bridge. The concrete-filled steel tube arch bridge comprises a main arch, web arches, a junction pier, a bridge deck beam and a main arch spandrel column. The web arches are arranged on the two sides of the main arch in the longitudinal bridge direction respectively. In any side of the main arch, the web arch is divided into a first web arch and a second web arch, the first web arch is fixedly connected with a web arch support and the junction pier, the second web arch is connected with the junction pier, the mainarch and / or the main arch spandrel column, and the main arch spandrel column, the junction pier and the web arch jointly support the bridge deck beam. By means of the arrangement, the overall height of the main arch spandrel column is reduced, the dead weight of the bridge body is reduced to a certain degree, the stress requirement of the main arch is met, meanwhile, the engineering difficulty andthe engineering manufacturing cost are reduced, and the stability of the bridge body is improved. In addition, the web arch forms a longitudinal connecting structure between the main arch spandrel columns, and the longitudinal bridge direction stability of the main arch spandrel columns is further improved.

The invention discloses a high-efficiency and energy-saving manganese washing process without arranging a tailing pond and polluting the environment. The mined manganese slime is broken by a manganese slime breaking machine and then is washed by a manganese slime manganese-washing machine to obtain manganese ore, the water for washing the manganese slime enters a tailing slime water collecting tank and separated through a tailing treatment machine, the clean water is reused and the slime is back filled. The invention has the advantages that: firstly, the manganese washing is locally carried out after mining the manganese ore, therefore, the link of manganese ore slime transport is reduced and the production and transportation cost is reduced; secondly, water resources are saved and the pollution to the environment is also avoided due to the recycling of the manganese washing water; thirdly, no tailing pond is required, not only the land occupation is little, but also the original potential safety hazard of production of the tailing pond is overcome and the construction investment is reduced; and fourthly, the manganese slime breaking machine is additionally arranged, therefore, the problem that the large manganese slime cannot enter the machine before or the damage to the manganese washing machine is great is solved, and the ore washing efficiency is greatly improved by 35 percent than the original process efficiency.

The invention belongs to the technical field of die-casting aluminum liquid transportation, and discloses a die-casting aluminum liquid intelligent conveying system. The die-casting aluminum liquid intelligent conveying system comprises an electrolysis workshop and a casting workshop, wherein the electrolysis workshop and the casting workshop are in seamless connection, rails are paved, an aluminum liquid is conveyed, after a rail transportation vehicle fully loaded with aluminum liquid two-man ladles runs to the casting workshop from the electrolysis workshop, a rail transportation vehicle carrying empty two-man ladles and waiting on another rail in the casting workshop enter the electrolysis workshop, multifunctional cranes hoist the empty two-man ladles respectively for discharging aluminum, and the two-man ladles filled up with the aluminum liquid are placed on the rail transportation vehicle after the last crane completes aluminum discharging. The die-casting aluminum liquid intelligent conveying system can realize the unmanned and intelligent transportation of the aluminum liquid, is stable in transportation, reduces the shaking the aluminum liquid in the transportation process, ensures the quality of the aluminum liquid, effectively guarantees the production quality of die casting by adopting an on-line detection technology, establishes the seamless connection between the electrolysis workshop and the casting workshop, improves the automation level and labor productivity, reduces the production and transportation costs, adopts the electric traction locomotive, is safe and reliable, and is green and environmentally friendly.

The invention discloses a preparation method of a modified aluminate cement retarder for producing Z-shaped concrete hollow blocks. The retarder is specifically prepared by mixing the following components in parts by mass: 5-10 parts of modified kapok fiber, 5-10 parts of modified coconut fiber, 20-30 parts of sodium lignin sulfonate, 5-8 parts of sodium dinaphthalenemethane disulfonate, 1-6 parts of water reducing agent, 1-3 parts of unsaturated carboxylic acid, 2-5 parts of boric acid and 5-10 parts of vermiculite. The modified kapok fiber and the modified coconut fiber are added into a common retarder, so that the production cost of the retarder is greatly reduced on the premise of not influencing the effect of the retarder, the production and transportation cost of cement is greatly reduced, the hydration hardening time of the cement is effectively prolonged, and the plasticity of fresh concrete can be kept for a long time, so that the setting time of the fresh concrete is adjusted.

The invention provides an information transmission method adaptive to intelligent container terminal horizontal transportation equipment. The information transmission method comprises the steps that the intelligent container terminal horizontal transportation equipment communicates with an application server through an Internet of Things platform; the intelligent container wharf horizontal transportation equipment communicates with the Internet of Things platform in a message reporting and event reporting form; the application server responds according to the data information reported by the equipment and selects an instruction issuing mode; wherein the Internet of Things platform communicates with the intelligent container wharf horizontal transportation equipment through preset topics, and each topic specifies a standard format of information interaction between the equipment and the platform. According to the invention, real-time communication between the horizontal transportation system and the single vehicle is ensured, and accurate management of the intelligent container terminal horizontal transportation equipment is realized.

The invention discloses a wheel disc assembly, an air door control mechanism and an automobile air outlet. The wheel disc assembly comprises a housing and the air door control mechanism. The air doorcontrol mechanism comprises a wheel disc assembly, a transmission mechanism and an air door. The wheel disc assembly comprises a wheel disc framework, an electroplating framework and wheel disc encapsulating rubber, wherein blocking pins are arranged at the two sides of the wheel disc framework, and connecting slots are formed below the blocking pins; the two ends of the wheel disc encapsulating rubber are equipped with connecting blocks which are matched with the connecting slots; the wheel disc encapsulating rubber is coated outside the electroplating framework, and the connecting blocks atthe two ends of the wheel disc encapsulating rubber are connected to the connecting slots in the wheel disc framework. According to the wheel disc assembly, the air door control mechanism and the automobile air outlet provided by the invention, the wheel disc encapsulating rubber is coated outside the electroplating framework and the two ends of the wheel disc encapsulating rubber are connected tothe wheel disc framework such that the wheel disc wheel disc encapsulating rubber is prevented from being separated from the electroplating framework and the wheel disc framework, and the wheel discencapsulating rubber and the electroplating framework do not need to produce though a production way of insert injection molding, and thus, automatic production is easy realized, production cost and transportation cost are reduced, and a qualification rate of products is higher.

The invention discloses a self-operated pressure regulating valve assembled with an improved valve seat fixing structure, and a working mode thereof. The self-operated pressure regulating valve assembled with the improved valve seat fixing structure structurally comprises a connector, a first valve seat shell, a second valve seat shell, a pressure valve element control mechanism, a rated pressureadjusting bolt, a self-pressure response device and a liquid inlet pipe. The self-operated pressure regulating valve assembled with the improved valve seat fixing structure provided by the invention is simple in structure and convenient to connect; the various parts are independent and demountable, and the disassembling and assembling processes are simple and not complicated, so that the self-operated pressure regulating valve assembled with the improved valve seat fixing structure has good freedom and extensibility and high practicability; the valve seat structure adopts a long strip shape, so that compared with a traditional circular valve seat, the utilization of the area of the valve seat is greatly improved, the section area of object conveying of the valve seat is increased, the conveying efficiency is improved, the pressure regulating range is large due to a large conveying area, and the practicability and a conveying effect of the self-operated pressure regulating valve are farsuperior to those of similar products on the market.