111results about How to "Easily broken" patented technology

The invention discloses an automobile engine which comprises an engine body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is placed on the front portion of the automobile engine and driven by the crankshaft of the automobile engine, and the axis of the stator of the air conditioner generator is coaxial to the axis of a main shaft neck of the crankshaft of the automobile engine. The automobile engine can supply power to vehicle-mounted air conditioner systems, and the air conditioner generator is arranged at the front end of the crankshaft of the automobile engine. The automobile engine requires no belt for driving and is simple in structure and convenient for the vehicle-mounted air conditioner system to adopt the whole distribution structure.

The invention relates to a diatomic iron-iron site nano-enzyme constructed by relieving oxidative stress and cartilage degeneration and used for targeted osteoarthritis treatment. According to the invention, a nitrogen-doped porous carbon anchored diatomic iron nano enzyme catalyst (Fe2-NCs) with Fe-Fe dimer coordination is developed by using a'subject-object 'strategy. The Fe2-NCs protect cartilage cells from oxidative stress induced apoptosis by modulating ROS and active nitrogen species (RNS) and promoting O2 release. In addition, Fe2-NCs restores mitochondrial function by inhibiting NOX4 expression, improving ATP production, and normalizing COXIV levels. In an in-vivo OA model, the Fe2-NCs can reduce the expression of a pro-inflammatory medium COX-2 through an NF-kappa B signal channel, inhibit the up-regulation of MMP-13 and delay the degradation of type II collagen. The invention provides a new theoretical framework and methodological approach for the treatment of osteoarthritis, and has important clinical and scientific significance.

The utility model discloses a kind of solid waste cement mill tailing powder external mixing devices, belong to external mixing device technical field.A kind of solid waste cement mill tailing powder external mixing device, including shell, further include: sieve frame is slidably connected in shell, there is feeding pipe in communication on shell, multiple heating plate blocks are equipped on feeding pipe to heat material;The lower portion of shell is equipped with the storage container for storing tailing powder in short time, stirring rod is rotatably connected in storage container, support leg is equipped on shell;When sieve frame is reciprocated horizontally in shell, one end of sieve frame moves up and down reciprocally and throws and scatters agglomerated tailing powder;The utility model can sieve out damp material and dry material and volatilize moisture in damp interior, avoid re-agglomeration after material is dispersed due to that material itself contains more moisture.

The application belongs to the technical field of carbonyl sulfur hydrolysis catalysts, and discloses a high-efficiency sulfur-resistant catalyst for carbonyl sulfur hydrolysis, a preparation method and application thereof.The preparation method comprises the following steps: (1) preparing a porous ceramic carrier containing alumina, titanium dioxide and zirconium dioxide; (2) in-situ growing a metal organic framework material containing lanthanum, bismuth and cerium on the surface of the porous ceramic carrier by using a solvothermal method; (3) performing a calcination treatment on the porous ceramic carrier loaded with the metal organic framework material in an oxygen-containing atmosphere to obtain a catalyst precursor; and (4) performing a reducing gas plasma bombardment treatment on the catalyst precursor to obtain the high-efficiency sulfur-resistant catalyst.The high-efficiency sulfur-resistant catalyst has high-efficiency low-temperature activity, excellent sulfur resistance and long service life.

The utility model provides an anti-theft wattmeter box, which belongs to the technical field of wattmeter boxes and comprises an electric energy metering mechanism. Comprising a first supporting shell, a first box body fixedly installed in an inner cavity of the first supporting shell, an anti-theft assembly arranged on the outer side of the first box body, a lock seat fixedly installed on the outer side of the first box body and a second supporting shell fixedly installed on the outer side of the first supporting shell. Basic protection is formed through a double-layer box body nesting structure, and a physical barrier is formed by matching with a shielding piece and a shell sleeve of the anti-theft assembly; the warning mechanism adopts a double-trigger mode of a mechanical baffle and an electronic pressure sensor, so as to realize instant alarm when the door is opened abnormally; the intelligent linkage locking function of the electromagnetic lock cylinder is combined with the cable protection design of the guide raised line, so that the whole structure has damage resistance, quick response and use convenience, the problem that a traditional electric meter box is easy to damage and steal electricity is effectively solved, and the safety protection level of electric power facilities is remarkably improved.

The application discloses a heat treatment device and method for photovoltaic module recycling, and belongs to the field of photovoltaic module recycling, and comprises a heat treatment room, a vibrating platform, a lifting mechanism, a clamping mechanism and a fixing seat. The photovoltaic module can be placed on the fixing seat, the heat treatment room can heat the area where the fixing seat is located, and the heating temperature of the heat treatment room can make the EVA adhesive film become a solid jelly-like film. The adsorption mechanism can adsorb the glass layer or the back plate of the photovoltaic module and drive the glass layer or the back plate to move upwards. The EVA adhesive film in the photovoltaic module is adjusted to a solid jelly-like film by low temperature, the vibrating platform causes intense relative movement between the back plate and the battery plate and between the battery plate and the glass layer, thereby breaking the EVA adhesive film in the middle, and the glass layer, the battery plate and the back plate are disassembled. After disassembly, the high-pressure blowing mechanism is used to remove the EVA adhesive film remaining on the glass layer, the battery plate and the back plate. In the whole process, the EVA adhesive film is not dissolved and harmful gas is not generated.

The application discloses a cold plate device and a battery pack, comprising a cold plate body, the cold plate body is provided with a flow channel area, a sealing area and a pressure relief area, the sealing area is used for sealing the flow channel area, the flow channel area is used for containing a heat exchange medium, and the pressure relief area is used for being correspondingly arranged with an explosion-proof valve of a cylindrical battery; the pressure relief area comprises a pressure relief hole and a thinning area located outside the pressure relief hole, and a projection of an outer edge of the thinning area on a bottom surface of the cylindrical battery can surround the explosion-proof valve. The pressure relief area is composed of the pressure relief hole and the thinning area, so that the area of the pressure relief hole can be reduced, and the sealing connection strength of the edge of the flow channel area can be prevented from being affected due to the excessively large area of the pressure relief hole. The thinning area is weak in strength, when the explosion-proof valve of the cylindrical battery is opened for pressure relief, the explosion-proof valve and high-pressure gas sprayed out can easily damage the thinning area, so that the thinning area is collapsed, and it is ensured that the high-pressure gas in the cylindrical battery can be relieved through the cold plate device.

This invention discloses a method for measuring the bonding strength of a casting repair process, solving the problem in the prior art where the bonding strength of the casting repair process cannot be quantitatively obtained. It has the beneficial effect of accurately obtaining the bonding strength between the casting substrate and the repair layer, achieving quantitative strength measurement. The specific solution is as follows: A method for measuring the bonding strength of a casting repair process includes: preparing a specimen; cutting a groove in the specimen; cutting the specimen at the groove to obtain the substrate; repairing the cut specimen, with the repair layer covering the groove; breaking the repaired specimen and recording the maximum tensile force; and calculating the bonding strength between the substrate and the repair layer based on the maximum tensile force.

This utility model discloses an addition mechanism for a dimethyl adipic acid esterification catalyst, belonging to the technical field of catalyst addition mechanisms. The addition mechanism includes a hopper fixedly installed on an esterification reactor. The hopper is equipped with an inlet pipe and an outlet pipe. An auger blade is rotatably installed inside the outlet pipe, and the outlet pipe is connected to the inlet pipe of the esterification reactor. The mechanism also includes a connecting cylinder rotatably installed inside the hopper. An installation rod is slidably installed on the connecting cylinder. A spring is installed inside the connecting cylinder, with its two ends abutting against the connecting cylinder and the installation rod, respectively. A scraper is fixedly installed at the end of the installation rod, contacting the hopper. Top blocks are arranged annularly on the inner wall of the hopper. This utility model generates vibration through the cooperation of the scraper and the hopper, thereby dispersing the catalyst and avoiding the problem of bridging and clogging caused by the interlocking of particulate catalyst particles, effectively improving the stability of the feed to the esterification reactor.

The application relates to a preparation method of a nano WC-Co-based composite powder with inhibitor uniform distribution, and belongs to the technical field of powder preparation. In the application, tungsten oxide and cobalt oxide with large brittleness are used as raw materials, the raw materials are easily broken in a ball milling process, the superfine and nano particle size of a precursor mixed powder containing an inhibitor and the uniform distribution of the raw materials are ensured, the precursor of the inhibitor is dissolved in anhydrous ethanol, a solution is formed, and the solution is mixed with other raw materials, so that the uniform distribution of the component of the inhibitor element in the precursor mixed powder containing the inhibitor is ensured. Polyethylene glycol is added in the ball milling process, the agglomeration of powder particles is reduced, the friction between the powder particles is reduced, and the flowability of the particles is increased. Through the matching of precursor components, the density of the mixed powder of the inhibitor-containing compact and a stage-by-stage heating process, the full reaction of the compact is ensured, the rapid discharge of generated gas is ensured, and through the further ball milling treatment of the prepared powder, the powder is ensured to have the characteristics of pure phase, small WC particle size and uniform component distribution.

The application relates to the technical field of roadbed engineering, in particular to a roadbed filler based on high-water-content gold flotation tailings and a preparation method thereof.A roadbed filler based on high-water-content gold flotation tailings is prepared from the following raw materials: gold flotation tailings, modified precipitation material, curing agent, activator, solid modifier and anti-cracking agent; the water content of the gold flotation tailings is lower than 20%; in the application, the porous precipitation material and the low-carbon cementing material are used to perform pre-dehydration treatment and efficient curing treatment on the high-water-content gold flotation tailings, so that the roadbed filler with low carbon and low cost and with high strength and low shrinkage is obtained.

The application discloses a colloidal cerium oxide polishing liquid and a preparation method thereof, and steps are as follows: S1. Dissolving a soluble cerium salt in deionized water, and respectively dissolving a surfactant, a suspension aid and an imidazole modifier in the deionized water and stirring and clarifying, mixing all the solutions, and performing ultrasonic stirring and high-pressure homogenizer circulation treatment to prepare a modified reaction precursor; S2. Continuously stirring the precursor, adding a precipitant at a uniform speed, and stirring after aging by heating to form a colloidal cerium oxide nanosphere solution with a nanosphere appearance; S3. Centrifuging the solution, washing and freeze-drying the solid to obtain a cerium oxide powder, mixing and stirring the powder and deionized water to disperse, and preparing the colloidal cerium oxide polishing liquid. The polishing liquid has uniform particle size, stable dispersion, a high SiO2 / Si3N4 selection ratio, can reduce wafer scratches, guarantee stable polishing performance, and is suitable for the chemical mechanical polishing demand of a semiconductor wafer shallow trench isolation process.

The invention relates to the technical field of regenerated fiber manufacturing, in particular to a method for preparing filament fibers from waste PET (polyethylene terephthalate) materials, which comprises the following steps: raw material pretreatment, ultrasonic-assisted depolymerization, continuous polymerization and functional modification, melt direct spinning, grinding of waste yarns in a chemical fiber factory, crushing of waste PET bottles, grinding after cleaning, and obtaining of PET powder; the method comprises the following steps: mixing PET powder with ethylene glycol according to a molar ratio, generating BHET under the action of ultrasonic waves, sequentially carrying out esterification, pre-polycondensation and final polycondensation on the BHET to obtain a regenerated PET melt, adding a modified additive in the esterification reaction, spinning the regenerated PET melt by adopting a one-step process, cooling by cooling air, and winding to obtain the filament fiber. The problems that traditional regenerated PET fibers are single in raw material, complex in process and insufficient in performance are solved, low-cost and high-efficiency preparation of semi-dull, flame-retardant, cationic dyeable and other multifunctional products is achieved, and high-value utilization of waste PET is improved.

The application relates to the technical field of pond sludge cleaning, in particular to a pond sludge cleaning robot, which comprises a vehicle frame, a pressure-resistant cabin is installed at the end of the vehicle frame, a screw rod sliding table is arranged on the surface of the vehicle frame, a rotating screw rod is arranged on the surface of the screw rod sliding table, a screw rod seat is arranged on the surface of the rotating screw rod, a waterproof motor is installed on the surface of the screw rod seat, a pump body is installed in the vehicle frame, a suction pipe is arranged at the end of the pump body, and the robot is placed on the upper portion of the robot running on the bottom of the pond through the pressure-resistant cabin. The motor in the pressure-resistant cabin drives the power wheel to rotate, the caterpillar belt moves around the power wheel, the load wheel and the tensioning wheel, the vehicle frame is driven to move, the waterproof motor drives the reamer at the bottom to rotate during the movement of the robot on the bottom of the pond, the sludge at the bottom of the pond is broken, then the pump body sucks the sludge out of the pond through the suction pipe, and the waterproof motor is installed on the surface of the screw rod seat, and the screw rod seat can be lifted on the surface of the screw rod sliding table.

This utility model discloses a municipal road smoothing machine, including a fixed base. Two sets of first threaded rings are embedded on the upper surface of the fixed base, and an adjustment mechanism is connected to the inner ring of each first threaded ring. A U-shaped scraper is connected to the bottom surface of the fixed base, and a set of equally spaced scraper needles are connected to the bottom surface of the fixed base. A groove is formed in the inner top wall of the fixed base, and a drive motor is installed inside the groove. This device first uses the scraper and scraper needles to not only level the paved concrete initially, but also to break up sand holes and air bubbles inside the concrete, thus making the concrete surface roughly flat. Then, the drive motor drives the connecting rod and the trowel to rotate, allowing the trowel to smooth the concrete surface. This not only makes the concrete pavement smoother but also improves the paving quality of the concrete pavement.

This utility model discloses a lightweight hot air blower frame, specifically relating to the field of hot air blower technology. It includes a fixed plate with a mounting groove on one side. A support device is movably connected to the rear end of the fixed plate. Bolts are movably connected to one side of the mounting groove. A connecting device is fixedly connected to the upper end of the support device, and a fixed seat is movably connected to the upper end of the connecting device. A hot air blower is fixedly connected to the upper end of the fixed seat. This lightweight hot air blower frame solves the pain points of traditional hot air blowers in complex environments by upgrading flexibility, stability, and scene adaptability. It also has advantages such as safety, efficiency, and ease of maintenance. The height of the support legs can be adjusted according to the flatness of the ground or operational needs, ensuring the hot air blower remains horizontal under uneven, tilted, or other non-ideal ground conditions. The support legs can rotate at multiple angles and independently adjust the tilt angle, enhancing the equipment's fit with the ground and preventing tipping.

This invention discloses a millable composite casing sub for side-drilling window opening, its preparation method, and its application. The millable composite casing sub comprises the following components: a matrix, a lubricating phase, and brittle phase reinforcing particles; the matrix is ​​an aluminum alloy matrix; the lubricating phase is graphite particles; and the brittle phase reinforcing particles are brittle mineral particles. During side-drilling window opening operations, an integrated hydraulic directional device is seated inside the lower steel casing below the casing sub. A gyroscope is used for precise orientation, and then a milling cone is lowered to perform side-drilling window opening. The sub body is milled using the milling cone to form the initial window. This invention, while ensuring the overall connection strength and sealing of the wellbore, locally alters the millability of the casing material at the planned window opening point. Through material and structural innovation, it replaces traditional steel casing, shortens the operation cycle, reduces the difficulty of milling operations, and extends the service life of the milling cone, thereby achieving high efficiency, low cost, and safety and reliability in window opening operations.

The utility model relates to the technical field of articles for daily use, and discloses a flowerpot tray with hidden trundles, which comprises a tray, trundle grooves arranged on the lower portion of the tray, trundles mounted in the trundle grooves, upper covers and bottom supports arranged on the trundles, slideways arranged inside the upper covers, slideways arranged outside the bottom supports, and a plurality of steel balls placed in the slideways. A buckle is downwards arranged at the circle center of the lower portion of the upper cover, a bayonet hole matched with the buckle is formed in the circle center of the upper portion of the bottom support, the buckle is clamped in the bayonet hole, two supporting frames are arranged on the lower portion of the bottom support, two symmetrical axle grooves are formed in the supporting frames, and the axle grooves are used for containing axles. The two wheels are arranged on the wheel shaft in a penetrating mode, the trundles are connected with the tray in an embedded mode, the contact area is increased, the bearing capacity is enhanced, the tray and the trundles cannot be broken when a flowerpot is placed, the trundles are flexible in rotation and easy to install, and the problems that the trundles and the tray are prone to being broken and inflexible in rotation troubled by flower growing fans are solved.

The utility model discloses a fragile cover which comprises a cover edge, and the cover edge is connected with a cover body of the fragile cover. A sealing strip is arranged on the inner side of the cover edge, and a flange pressing plate is arranged on the outer side; fragile grooves are formed in the periphery and the interior of the fragile cover body respectively. The fragile cover body is in the shape of a prismatic table, and the included angle between the edge and the upper bottom edge is a round angle. And the cover edge is connected with the sealing strip through an adhesive. The fragile cover body, the flange pressing plate and the sealing strip are installed on the end face of the missile launching box through standard parts, and therefore the overall sealing performance of the launching box can be achieved. The *-shaped fragile grooves with different depths on the inner side of the fragile cover body can enable the fragile cover to be easily broken in the forward direction, and the fragile cover can bear certain forward pressure and enough reverse force. The manufacturing technology involved in the utility model is simple to operate, can meet the requirements of most launch boxes, and has a wide application range.

The invention belongs to the technical field of concrete, and particularly relates to basalt fiber composite modified sprayed concrete and a preparation method thereof. The basalt fiber composite modified sprayed concrete is prepared from the following raw materials in parts by weight: 420 to 470 parts of cement, 200 to 220 parts of water, 830 to 860 parts of sand, 840 to 880 parts of gravel, 40 to 60 parts of admixture, 15 to 30 parts of modified basalt fiber, 2 to 6 parts of polycarboxylate superplasticizer and 5 to 12 parts of alkali-free accelerator. The modified basalt fiber is added into the sprayed concrete to serve as a reinforcing phase, the strength and impact toughness of the concrete can be improved, and the later strength of the concrete is guaranteed. The cerium trifluoride modified fly ash is added into the admixture, so that the rebound rate can be reduced, and the early strength of the concrete is improved.

The utility model relates to the technical field of breaking knives, discloses a sectional type blade breaking and collecting device, and solves the problems that an existing breaking knife is easy to crack, is difficult to accurately position and is not protected. A sectional type blade breaking and collecting device comprises a bin cover, a feeding port is formed in the center of the bin cover, magnetic attraction blocks are connected to the two sides of the feeding port, rubber blocks are arranged in the centers of the magnetic attraction blocks, a threaded rod is connected to the side face of the bin cover, a holding block is connected to the upper portion of the threaded rod, and a second attraction magnet is connected to the interior of the bin cover. A first adsorption magnet is connected to the lower portion of the second adsorption magnet and located above the shell, a mounting block is connected to the center of the shell, a breaking opening is formed in the center of the mounting block, and a protruding block is connected to the inner side of the breaking opening. And breaking is convenient and fast.

The utility model relates to the technical field of traditional Chinese medicine grinding equipment, and discloses multi-stage grinding equipment for traditional Chinese medicine decoction pieces, which comprises a grinding equipment body, a plurality of groups of support legs are fixedly mounted on the lower surface of the grinding equipment body, and a feeding mechanism is fixedly mounted on the upper surface of the grinding equipment body. Through the arrangement of the feeding mechanism, traditional Chinese medicine can be preliminarily crushed, so that material particles entering the grinding equipment body are smaller, in the grinding process, the grinding equipment does not need to spend a large amount of time in crushing large-particle materials into small particles, and the preliminarily crushed materials can be directly ground more finely; and therefore, the efficiency of the whole grinding process is improved, the effect of automatically conveying the traditional Chinese medicine into the grinding equipment body is achieved, and the situation that the traditional Chinese medicine in the storage box needs to be manually pushed into the grinding equipment body is avoided.

The utility model discloses a kitchen garbage recycling device which comprises a recycling bin, a support is installed below the recycling bin, a motor is fixedly installed in the center of the bottom of the recycling bin, the output end of the motor is connected with a stirring shaft, a clamping groove is formed in the bottom of the stirring shaft, and a first stirring blade is arranged on the top of the stirring shaft. The second stirring blade comprises a stirring blade body, a convex strip, a connecting block, a fastening screw rod and a valve barrel, the valve barrel is arranged on the outer side of the bottom of the recycling barrel, a valve plug is arranged in the valve barrel, a valve rod is connected to the lower portion of the valve plug, a discharging barrel is connected to the middle of the valve barrel, and an electric telescopic rod is arranged on the outer side of the valve barrel. And the extension end of the electric telescopic rod is fixedly connected with the bottom end of the valve rod. According to the kitchen waste recycling device, heavy kitchen waste is prevented from settling at the discharging pipe, uniform pulping of the kitchen waste is facilitated, and the pulping efficiency is improved through rotation of the multiple stirring blades.

The utility model discloses a feeding device for quartz sand drying, belongs to the technical field of quartz sand drying, and aims to solve the problems that in the prior art, the humidity of quartz sand is high, the quartz sand is easy to agglomerate together, a feeding pipe is large in upper part and small in lower part, the feeding pipe is easy to block, and the working efficiency needs to be improved. Comprising a pipe body, the inner section of the pipe body is round, a square vertical pipe is installed at one end of the upper surface of the pipe body in a penetrating mode, a scattering assembly is movably installed at the upper end of the side face of the vertical pipe in a threaded mode, a pipe cover is movably installed at the end, close to the vertical pipe, of the pipe body in a threaded mode, and a motor is installed in the middle of the side face of the pipe cover. According to the feeding device for drying the quartz sand, through the arrangement of the scattering assembly, when the quartz sand is agglomerated together, the quartz sand is conveniently scattered, the feeding pipe is prevented from being blocked, the working efficiency is guaranteed, meanwhile, the quartz sand is shielded by a baffle, the amount of the quartz sand entering the box body is reduced, the number of times of cleaning the box body in the later period is reduced, and the practicability is improved.

This utility model relates to the field of reciprocating elevator technology and discloses a cantilever conveying platform for a reciprocating elevator, including a reciprocating elevator body, a horizontal frame, and a vertical frame. The horizontal frame and the vertical frame are slidably connected to the reciprocating elevator body. A mounting base one and a mounting base two are fixedly installed on one end of the horizontal frame near the reciprocating elevator body. This cantilever conveying platform for a reciprocating elevator, through the cooperation of a pre-drilled hole one and a positioning groove one, allows the connecting frame to be inserted into the side frame first. After selecting a suitable position, the pre-drilled hole one and the positioning groove one overlap and are locked using connecting bolts, etc., facilitating quick connection between the side frame and the connecting frame, thus simplifying subsequent maintenance and replacement. Furthermore, the design of the triangular reinforcing block enhances the deformation resistance at the connection between the connecting rod one and the connecting frame, thereby preventing breakage of the connecting rod one and the connecting frame after prolonged use.

The invention discloses a high-voltage-resistant gel polymer electrolyte for a supercapacitor and a preparation method and application thereof, and belongs to the technical field of supercapacitors. In the electrolyte, the high-pressure-resistant additive, the auxiliary additive, the lithium salt and the mixed solvent are reasonably matched. The high-pressure-resistant additive contains two key functional groups, namely trifluorosulfonyloxy and cyano, so that a stable multifunctional protective layer can be constructed on the interface of the positive electrode and the negative electrode, and the problem of interface degradation is solved. According to the preparation method, additives and lithium salt are added step by step, a cross-linked structure is finally formed on the surface of the electrode in situ, the binding force of the electrolyte and the electrode is enhanced, and smooth ion transmission is guaranteed. When the composite material is applied to preparation of a supercapacitor, the performance and stability of the supercapacitor under a high-voltage working condition can be improved, the energy density and the power density are improved, the service life is prolonged, the requirement of the market for the high-performance supercapacitor is met, and technical development and application of the supercapacitor are promoted.

The invention discloses intelligent processing equipment for a high polymer material, belongs to the technical field of crushing equipment, and is used for solving the technical problems of slipping and wire drawing during crushing and grinding of polytetrafluoroethylene. The intelligent processing equipment for the high polymer material comprises a crushing mechanism, an embrittlement mechanism and a grinding mechanism; a pair of crushing rollers is rotationally connected into the first shell, and the space in the first shell is divided into a first cavity and a second cavity through the crushing rollers, wherein the first cavity and the second cavity communicate with each other. The device has the beneficial effects that the phenomenon of wiredrawing is inhibited while the problem of slipping of polytetrafluoroethylene fragments is avoided, and the continuous and efficient crushing process is ensured; a plasma embrittlement and liquid nitrogen freezing embrittlement two-stage embrittlement process is adopted, so that polytetrafluoroethylene particles are easy to break in the grinding stage, a sieve plate and nitrogen micro-positive pressure auxiliary screening are combined, powder with the target particle size can be stably obtained, and the particle size uniformity of the product is remarkably improved.

This utility model provides an anaerobic pyrolysis carbonization furnace for chemical waste salt, relating to the technical field of chemical waste treatment equipment. It includes a carbonization furnace assembly, with a crushing component and an adsorption component at the top. The furnace assembly includes a main body with a heating structure, and the crushing component includes a crushing box. This utility model uses a rotating motor to electrically drive the crushing rollers to rotate, causing the two rollers to rotate in opposite directions. This facilitates the breaking up of agglomerated waste salt, reducing the amount of agglomerated waste salt entering the interior of the carbonization furnace body. It also promotes full contact between the waste salt and the internal heat and anaerobic protective gas of the furnace body, improving pollutant removal efficiency and treatment efficiency. A rotating motor also drives the cover plate to rotate, which facilitates its rotation during pyrolysis treatment in the carbonization furnace body. Combined with a sealing frame, this improves sealing performance.

The application relates to a drilling technology, in particular to a design method of an elliptical drilling device and a drilling head based on gear transmission control, wherein the drilling device comprises an outer cover structure, an upper end cover is arranged at the upper end opening of a lower outer cover shell, a lower end cover bottom support is arranged at the lower end opening of the outer cover structure, the upper end cover and the lower end cover bottom support enclose the inside of the lower outer cover shell to form a movable cabin; a main transmission rod is arranged in the movable cabin, a drilling head is arranged at the lower end of the main transmission rod, and a transmission structure matched with the main transmission rod is arranged in the movable cabin; under the action of the transmission structure, when the drilling head rotates, the center of the drilling head moves in a reverse revolution motion, and the revolution period is the same as the revolution period. The device can drill an elliptical hole, can better release pressure, and can realize directional pre-splitting. In addition, the device can also drill an elliptical hole, a circular hole, a square hole with four arc chamfered corners, a rectangular hole, a rhombic hole and other double-axial symmetrical smooth curve-shaped holes in one step.