68results about How to "Achieve uniformity" patented technology

The invention belongs to the technical field of power battery cooling, and particularly relates to a flow control method and system for a liquid cooling system of an electric vehicle-mounted power battery, and the method comprises the steps: carrying out the parameterization of a geometric model of the liquid cooling system; establishing an equipment resistance model based on the equipment flow resistance characteristics; initializing flow distribution, constructing a dynamic flow distribution model, calculating the flow of each node and judging whether the flow meets a target requirement or not, and if not, readjusting the flow; calculating the resistance of each section, determining the total resistance of the pipeline, and checking the water pump lift; the flow uniformity is judged by calculating the pipeline resistance between the nodes, and if the flow is not uniform, the flow is redistributed or the pipeline design is optimized until the flow is uniform. Through flow control, the problems of non-uniform flow distribution and poor temperature consistency of multiple battery packs in the prior art are solved, the optimal working state of the power battery is ensured, overheating and overlarge temperature difference are avoided, and the operation efficiency, stability, durability and safety are improved.

The invention relates to the technical field of micron-sized jet flow and uniform atomization, in particular to a monodisperse uniform fog drop device and an atomization spray head spray hole array arrangement method, and the monodisperse uniform fog drop device comprises a driving source, a liquid supply device and a spray head; the spray head is a monodisperse atomizing spray head, the driving source is an ultrasonic signal generating system, the liquid supply device supplies constant-pressure fluid to the spray head, and the spray head forms monodisperse spray under the driving of high-frequency sound waves of the ultrasonic signal generating system; the spraying hole array arrangement method of the atomizing nozzle comprises the following steps of: setting smaller spraying hole spacing in small deformation areas close to the center of the spraying hole plate and constraint ends on two sides of the spraying hole plate; a large safety distance is arranged in a large deformation area between the restraining end of the spray orifice plate and the center of the spray orifice plate, so that intersection caused by jet flow intersection is prevented. According to the device and the arrangement method, the problems of mutual interference and the like between large-scale array jet flows are solved; the controllability of the size and the speed of the monodisperse atomized liquid drops can be effectively improved, so that macro micro liquid drops with uniform size and concentrated speed are generated.

The invention relates to a quantitative and rotary feeding system which comprises a quantitative feeding device, a rotary scattering device and a supporting plate. The quantitative feeding device comprises a bucket elevator and a belt weighing crusher; the belt weighing crusher comprises a mounting bracket, a feeding hopper, a dust cover, a crusher, a weighing belt conveyor, a storage hopper and a weighing hopper; a feed hopper is arranged above the mounting bracket, a dust cover is arranged above the feed hopper, and the lower part of the feed hopper is communicated with a crusher; a weighing belt conveyor is arranged in the mounting bracket, a storage hopper is arranged above the weighing belt conveyor, and the weighing belt conveyor is communicated with a weighing hopper; a rotary material scattering device is arranged between the quantitative feeding device and the supporting plate and comprises a supporting bent plate, a bearing seat, a driving motor and a material scattering hopper controlled by the driving motor; a bearing seat and a driving motor are arranged on the supporting bent plate, a scattering hopper is arranged in the bearing seat, and a plurality of material ports are formed in the edge of the bottom end of the scattering hopper. According to the feeding device, the occupied space can be reduced, and the feeding uniformity can be improved.

The invention discloses a 3D intelligent visual gluing method and device and computer equipment. The method comprises the following steps of: dividing a region, which needs to be glued, of the automobile into uniform grids, arranging a gluing working point at the center of each grid, configuring a minimum coverage working point set of the gluing region according to the gluing working points, and configuring a minimum coverage working point set of the gluing region according to the configured minimum coverage working point set of the gluing region, planning an optimal path for gluing a to-be-glued area of the automobile, and acquiring three-dimensional space coordinate information of a gluing area covered by each working point set on the optimal gluing path by taking a three-dimensional gluing template graphic representation of the to-be-glued area of the automobile as a standard; and gluing the automobile gluing area on the optimal gluing path according to the three-dimensional space coordinate information. In this way, the automobile gluing efficiency and quality can be improved.

The invention discloses a floating type feeding device for indoor fry breeding, relates to the field of fry feeding, and solves the problem that an existing fry feeding device is prone to causing uneven feeding. The floating type feeding device comprises a mounting support and a floating air cushion mounted at the bottom of the mounting support, and an electric push rod frame is fixedly mounted at the top of the mounting support; a positioning frame is fixedly mounted at the bottom of the moving end of the electric push rod frame, a feeding cylinder is arranged at the bottom of the positioning frame, and two injection hoppers are fixedly mounted at the top of the feeding cylinder; the feeding mechanism is used for enabling the feeding cylinder to uniformly feed materials, and the feeding mechanism is mounted between the feeding cylinder and the positioning frame; by means of the feeding mechanism, the floating air cushion can float on the water surface of the breeding room, the feeding cylinder is aligned with the water surface, the placement convenience of the feeding cylinder is improved, when the electric push rod frame operates, the feeding cylinder can evenly feed fish food into water, and therefore the effect of even feeding is achieved.

The utility model discloses glass tempering production equipment, which comprises an upper segment, a lower segment and a lower segment, the heating section comprises a heating assembly, a second conveying assembly and a first detection assembly, and the heating assembly is used for heating the glass on the second conveying assembly; the first detection assembly is used for detecting glass on the second conveying assembly so as to send a first detection signal; the air grid section comprises an air cooling assembly, a third conveying assembly and a second detection assembly, and the air cooling assembly is used for conducting air cooling on the glass on the third conveying assembly; the second detection assembly is used for detecting the glass on the third conveying assembly so as to send a second detection signal; and the lower segment comprises a fourth conveying assembly. The heating section and the air grid section are respectively provided with a first detection assembly and a second detection assembly which are used for detecting the temperature and the position of the glass, so that the heating temperature and the cooling temperature can be timely adjusted according to the temperature and the position of the glass.

The utility model discloses a liquid turning device of an LNG (Liquefied Natural Gas) storage tank. The liquid turning device comprises the storage tank, a pressure sensor, an upper temperature sensor, a lower temperature sensor and a liquid turning mechanism, through the arrangement of the liquid turning mechanism, upper and lower layers of liquid in the storage tank can be conveniently, quickly and greatly mixed, so that the uniformity and consistency of the temperature of the liquid in the storage tank are accelerated, liquid layering is avoided, and safe storage of liquid natural gas in the storage tank is realized; the liquid turning piece can greatly drive lower-layer liquid to move upwards and upper-layer liquid to move downwards in the up-down moving process, rapid mixing of the upper-layer liquid and the lower-layer liquid is achieved, efficient mixing performance is embodied, flexible deformation and rapid mixing of the upper-layer liquid and the lower-layer liquid are achieved through the liquid turning piece, the temperature is consistent, and the rolling phenomenon caused by layering is avoided; through the arrangement of the flexible wrapping belt, the flexible wrapping belt deforms under the influence of water and the acting force of upward movement and downward movement in the up-down movement process, and the consistency and uniformity of the temperature of liquid in the storage tank can be rapidly achieved.

This invention provides an arc-based additive and subtractive manufacturing method based on interlayer morphology reconstruction, belonging to the technical field of metal additive manufacturing. The method includes depositing an Nth layer of metal material on a substrate to form a deposition layer with a natural wavy morphology; acquiring actual morphology data to identify peak and valley distribution characteristics and planning a subtractive manufacturing path; selectively turning the deposition surface to obtain an anti-wavy substrate; detecting the surface temperature field of the anti-wavy substrate and cooling or preheating the substrate; and repeatedly performing arc-based additive deposition of the N+1th layer on the temperature-controlled anti-wavy substrate to complete the additive manufacturing process. This invention solves the technical problem in existing technologies where the wavy morphology between layers is not addressed, resulting in subsequent deposition layers covering and permanently remaining inside the workpiece, leading to a reduced yield. It achieves the technical effect of suppressing interlayer defects, reducing porosity by 90%, and improving internal quality.

The application discloses a battery pack thermal management method for multi-element dynamic thermal load based on multi-objective optimization, calibrates a high-precision heat generation model, optimizes a composite phase change material with high enthalpy and high thermal conductivity and a lotus leaf configuration liquid cooling plate, balances a prediction accuracy and a calculation efficiency of an agent model, introduces a core optimization objective function set of a worst activation criterion, adopts an initialization strategy and a cross variation mechanism for adaptively locking a parameter reasonable search space, solves a multi-objective optimization model based on an improved adaptive genetic algorithm, obtains a corresponding Pareto front solution set, and further combines a TOPSIS decision method to determine optimal configurations of key parameters such as a phase change layer thickness, a liquid cooling flow channel width, an inlet flow velocity and a system delay time, so that the battery pack can be controlled in a complex thermal environment to realize thermal safety and temperature uniformity control with the lowest energy consumption.

The invention relates to the technical field of water treatment, in particular to a catholyte-through multi-electrode-group parallel electrochemical reactor which comprises a reaction tank and a plurality of groups of electrode assemblies arranged in the reaction tank, the electrode assembly includes an anode; the cathode is annularly arranged outside the anode; the separation net is arranged between the anode and the cathode and is configured to isolate the catholyte from the anolyte; the base and the cover are provided with grooves for mounting the anode, the separation net and the cathode and are respectively mounted at the bottoms and the tops of the anode, the separation net and the cathode; the positive terminal is inserted into the cover and is connected with the anode; the negative terminal is inserted into the cover and is connected with the cathode; the acid extraction opening is formed in the center of the cover and penetrates through the cover to extend into the anode area of the anode; and the external pump is connected with the acid pumping port through a pipeline. The problem of insufficient utilization of hydroxyl in the existing water softening technology is solved, the number of the electrode groups can be flexibly adjusted according to actual requirements, the industrial-scale water treatment requirements are met, and meanwhile, the operation cost is effectively reduced.

This invention discloses a tool axis vector optimization method for wear uniformity, belonging to the field of CNC machine tool technology. The method includes inputting workpiece, tool, and machining path information, and initializing the tool axis vector model; defining and calculating the tool-workpiece meshing area, and determining the cutting edge participation; for the cutting edge segment participating in cutting, using a wear mechanism analysis model, calculating the increment of the lateral wear volume at the current time step and the lateral wear width of the cutting micro-element at the next time step, and superimposing these values ​​to calculate the subsequent tool face wear width; iteratively adjusting the tool axis vector to achieve uniform wear distribution on the cutting edge; collaboratively optimizing cutting parameters to control surface roughness; and outputting a wear-uniformity machining scheme. This invention, by dynamically optimizing the tool axis vector and collaboratively adjusting cutting parameters, achieves active uniformization of tool wear and stable control of surface roughness, thereby significantly extending tool life and ensuring machining quality.

The present application belongs to the field of wastewater advanced oxidation treatment technology, and proposes a wastewater treatment device with ozone oxidation and hydraulic cavitation synergistic effect. A primary Venturi tube, a ring air guide structure, a ring gap and a gas-liquid initial mixing section are arranged. The hydraulic cavitation is realized through the primary Venturi tube, the cavitation bubbles formed are extended to the downstream along the expansion section, and the synergistic effect with the ozone entering through the ring gap is realized. In the extreme environment generated by the collapse of the cavitation bubbles, the dissolution of the ozone gas into the liquid and the generation of the hydroxyl radicals are promoted. To some extent, the dependence on the pressure gas source is reduced, and the energy consumption is reduced. The gas phase is preliminarily dispersed before entering the secondary Venturi tube, the uniformity of the gas-liquid in the flow space is realized to the maximum extent, and the choked flow is easy to form. On the one hand, the bubbles can be further micronized, and the mass transfer is strengthened. At the same time, the gas-liquid interface changes sharply in the process of bubble micronization, which is also beneficial to the efficient generation of the hydroxyl radicals, so as to further improve the wastewater treatment efficiency.

This invention belongs to the field of metal welding technology and relates to a heat treatment method for hypereutectoid rail steel after flash welding, comprising the following steps: post-weld cooling: the welded joint is allowed to cool naturally in air after flash welding; normalizing treatment: the welded joint is heated to a normalizing temperature above the austenitizing temperature and held at that temperature; controlled cooling: the temperature of the weld heat-affected zone of the welded joint is cooled from the normalizing temperature to the isothermal transformation temperature within the pearlite phase transformation temperature range at a first cooling rate, held at that temperature until the austenite undergoes pearlite transformation, and then the welded joint is cooled from the isothermal transformation temperature to below 200°C at a second cooling rate lower than the first cooling rate. The method of this invention can effectively eliminate the network cementite structure in the flash welding heat-affected zone, while avoiding the introduction of harmful structures such as martensite or bainite, ensuring that the microstructure of the weld heat-affected zone is pearlite with fine lamellar spacing.

The utility model relates to the technical field of graphite product processing, and discloses a continuous vacuum sintering furnace which comprises a sintering furnace body, the sintering furnace body is provided with a heating mechanism, a bearing mechanism is arranged in the sintering furnace body, the sintering furnace body comprises a heat preservation and insulation shell, and a heat conduction inner container is coaxially arranged in the heat preservation and insulation shell. A first open slot is formed in the top end of the heat-conducting liner; a second open slot matched with the first open slot is formed in the top end of the heat-insulating shell. By optimizing the structural design of the hearth and reasonably arranging the heating elements, heat distribution is more uniform, namely, the annular multi-heating-pipe structural design is adopted, partition heating can be carried out through one or more heating pipes, namely independent heating areas are arranged at different positions of the hearth, and through an accurate temperature control algorithm of the temperature controller, the heating efficiency of the hearth is improved. And each heating area is independently adjusted, so that the uniformity of the temperature in the whole hearth is realized, and materials can be uniformly heated in the hearth.

The invention belongs to the technical field of semiconductor manufacturing, micro electro mechanical systems and precise optical coating, and particularly discloses a method for activating the surface of a substrate in situ in an atomic layer deposition chamber, which comprises the following steps: selecting a donor substrate and a target substrate to be activated; etching the donor substrate to obtain a donor substrate with high-density hydroxyl groups; placing the donor substrate with the high-density hydroxyl groups and a target substrate to be activated in the same atomic layer deposition process chamber; and inert carrier gas is introduced into the atomic layer deposition process chamber, purging process parameters are controlled, and in-situ activation of the target substrate is completed. According to the method for activating the surface of the substrate in situ in the atomic layer deposition chamber, after the surface of the substrate is activated by the method, protective films such as aluminum oxide and the like are subjected to atomic layer deposition, so that the adhesive force and long-term reliability of the protective films on a whole device can be ensured; and interface engineering technical support is provided for manufacturing of high-performance and high-reliability three-dimensional heterogeneous integrated devices and micro-nano sensors.

This invention relates to the field of video data processing and multimedia information retrieval technology, specifically a video big data retrieval method and system based on semantic tags. The method includes: a data mapping step: mapping a video stream into a sequence of feature vectors using a multimodal encoder; a difference calculation step: calculating the rate of change of differences between adjacent feature vectors to generate a semantic velocity vector; an anchor point extraction step: extracting semantic abrupt change event anchor points based on a comparison of the velocity vector magnitude with a threshold; an index construction step: constructing a differential manifold index with semantic transitions as nodes and time spans as edges; a dynamic dimensionality reduction step: constructing a dynamic mask matrix based on the retrieval request, projecting nodes to a low-dimensional subspace; and a matching output step: calculating the matching degree in the subspace and outputting the result. This invention significantly improves retrieval speed and signal-to-noise ratio, and substantially reduces storage volume through index event anchor points and dynamic subspace folding.

This invention relates to the field of papermaking wastewater treatment technology, specifically to an integrated impurity recovery and sedimentation device for papermaking wastewater. It includes a sedimentation tank and an inner feeding section. The sedimentation tank has a cover on top, and a support is fixedly connected to the inner side of the sedimentation tank. The side of the support near the feeding section is fixedly connected to the feeding section, and an inclined plate is welded to the outer side of the support. This invention provides an integrated impurity recovery and sedimentation device for papermaking wastewater, featuring a dynamic design that drives an interception net via a shaft ring, continuously shaking off fibrous impurities. Combined with a multi-layer filter structure, it avoids filter clogging and improves interception efficiency, reducing the risk of subsequent equipment entanglement or clogging. It allows the reagent to diffuse circumferentially and be fully stirred, ensuring uniform mixing of the reagent and wastewater while avoiding disturbance to the sedimentation area. This overcomes the stratification and uneven mixing problems of traditional static feeding. The cylindrical inclined plate achieves uniform water distribution in the sedimentation area, improving impurity treatment, reagent mixing, and sedimentation efficiency.

The utility model provides a kind of semi-open type hopper, communication is set in the discharge port of stirring equipment, including temporary storage hopper, the top end and bottom end of temporary storage hopper are equipped with inlet and outlet respectively, the inlet cover is equipped in the outside of the discharge port of stirring equipment, and is fixedly connected with the stirring equipment, the bottom end of the outlet is equipped with discharge assembly, one side of the outlet is equipped with power part for driving the discharge assembly to move to the direction close to or away from the outlet direction.The utility model, by setting the semi-open type hopper, can better adapt to the upgrading of stirring equipment, greatly reduces production cost, by accurately controlling the movement of discharge assembly, realizes the uniformity and stability of concrete discharging, reduces the problems such as uneven discharging, unstable discharging speed, to improve the production efficiency of concrete.

The utility model discloses a natural asphalt processing and grinding device which comprises a grinding bin, a servo motor is arranged in the middle of the top of the grinding bin, a grinding roller which extends into the grinding bin and is matched with the grinding bin is arranged at the output end of the servo motor, and a screening bin communicated with the interior of the grinding bin is arranged at the bottom of the grinding bin. A rotating rod extending into the screening bin is arranged at the bottom of the grinding roller, an arc-shaped push block is arranged at the bottom of one side of the rotating rod, and limiting rods are arranged at the four corners of the top in the screening bin. And through mutual cooperation of a rotating rod, an arc-shaped push block, an arc-shaped pull block, a spring and a limiting rod, in the grinding process, vibration work of an inclined screening net plate can be achieved, the phenomenon that the interior of the inclined screening net plate is blocked can be prevented, the later screening efficiency can be improved, and the practicability and flexibility of use of the device are improved.

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation cold plate adopting a high-efficiency heat-conducting medium, which comprises a first heat dissipation part, a second heat dissipation part, a third heat dissipation part, a fourth heat dissipation part, a third heat dissipation part and a fourth heat dissipation part, and is characterized in that the first heat dissipation part comprises a first substrate, a top of a second substrate, a first flow channel and a second flow channel; the other end of the first flow channel is connected with one end of the second flow channel through a conical flow channel, a water outlet is formed in the other end of the second flow channel, and the water inlet and the water outlet are both formed in the first side face of the first base plate; and the second heat dissipation part is arranged at the bottom of the first heat dissipation part and comprises the bottom of a second substrate and a plurality of conical heat dissipation channels penetrating through the interior of the bottom of the second substrate. According to the utility model, the heat dissipation efficiency and the heat dissipation uniformity are improved.

This invention discloses a negative electrode current collector, comprising a basic foil material; multiple vertically penetrating through-holes are uniformly distributed at equal intervals on the basic foil material; each through-hole contains a lithium replenishment filler; the lithium replenishment filler includes lithium metal powder; the lithium replenishment filler is a multi-layered lithium replenishment filler; the multi-layered lithium replenishment filler includes at least one layer of lithium metal powder. This invention also discloses a negative electrode sheet and a lithium replenishment-type battery. This invention is scientifically designed, effectively improving the energy density of the battery cell, ensuring the safety of the lithium replenishment process, and allowing for controlled and gradual lithium replenishment, thus possessing significant practical value.

The application relates to the technical field of semiconductor and electronic chemicals, and particularly discloses an etching solution for selectively etching silicon nitride and titanium nitride and a preparation method thereof. The etching solution contains the following components in percentage by mass: 10-45% of phosphoric acid, 1-5% of hydrofluoric acid, 0.5-2.5% of a pH buffer, 0.01-1.8% of a solubilizer and 0.1-7% of an etching inhibitor, and the rest is water. The pH buffer can effectively stabilize the pH of the etching solution, the solubilizer can improve the solubility of the solvent in the etching solution, reduce the tension of the solid-liquid phase interface in the solution and promote the transmission rate of the interphase substances, and the etching inhibitor can form a film on the surface of the titanium nitride in the form of a coordination bond, so that the silicon nitride and the titanium nitride have a high selectivity ratio. The etching solution can inhibit the etching rate of the titanium nitride under the condition of a high etching rate of the silicon nitride, and can ensure the high selectivity ratio of the silicon nitride and the titanium nitride.

The invention discloses automatic forming and baking equipment for mooncake processing, and relates to the technical field of mooncake processing, the automatic forming and baking equipment for mooncake processing comprises a machine shell, baking devices arranged on two sides of the machine shell, smoke exhaust devices arranged on two sides of the top of the machine shell, a control box arranged on the outer wall of the machine shell, and a plurality of device plates, the device plates are arranged and fixed to the belt face of the conveying belt, two first adsorption blocks are fixed to the side wall of each device plate, a device groove is formed in each device plate, and a rotating sleeve is rotationally installed in each device groove. The two soaking assemblies are arranged on the side wall of the rotating sleeve; and the linkage assembly is arranged on the side wall of the device plate, and the linkage assembly is connected with the rotating sleeve. The automatic mooncake baking and coloring device is high in automation degree, uniform baking and accurate coloring can be achieved, mooncakes are consistent in maturity, attractive in skin color and luster and uniform in texture, the rejection rate is reduced, and the product value is improved.

The utility model discloses an optical structure of a signal lamp. The optical structure comprises a collimator, an equal-division collimation unit and a total reflection unit, the collimator is perpendicular to the light outlet, the propagation direction of light rays collimated by the collimator is perpendicular to the final light outlet direction of the light rays of the light outlet, the equal-division collimation unit is located in the light emitting direction of the collimator, and the equal-division collimation unit is located on one side of the light outlet. The equal-division collimation unit is used for equally dividing light rays collimated by the collimator into a plurality of parts and changing the propagation direction of the light rays so as to reflect part of the collimated light rays to the light outlet, the total reflection unit is located on one side of the equal-division collimation unit, the equal-division collimation unit is located between the light outlet and the total reflection unit, and the total reflection unit is located on the other side of the equal-division collimation unit. And the total reflection unit is used for receiving the other part of collimated light of which the direction is changed by the equant collimation unit. The LED lamp has the advantages of flexibly changing the angle of the light, improving the utilization rate of the light and improving the lighting uniformity.

The application discloses a tail gas treatment device and method, which comprises a water washing tower, a filler, a sieve plate, a liquid phase stabilization zone, a circulating pump and a control unit.

The present application relates to the technical field of energy storage, and particularly relates to a direct cooling system. The direct cooling system comprises a compressor, a heat exchanger, at least two throttles and at least two liquid cooling plates, the compressor, the heat exchanger, the at least two throttles and the at least two liquid cooling plates are configured to be connected in sequence to form a refrigeration cycle loop for refrigerant to flow in the refrigeration cycle loop. The heat exchanger is configured as a condenser in the refrigeration cycle loop, the at least two throttles are connected in parallel, the at least two liquid cooling plates are connected in parallel, the at least two throttles are connected with the at least two liquid cooling plates one by one, the at least two liquid cooling plates are configured to exchange heat with the battery cell corresponding to the battery pack, and the throttle is configured to adjust the opening degree to adjust the flow of refrigerant in the corresponding liquid cooling plate. The flow of refrigerant in each liquid cooling plate can be controlled by respectively arranging a throttle upstream of each liquid cooling plate, thereby achieving uniformity of flow distribution.

The application relates to a kind of grain ridge width and width uniformity measurement method and device.The method comprises: generating at least one grain ridge mask to be measured; adding a center axis in the grain ridge mask to be measured, and the center axis is segmented to obtain at least two sub-center axes; a second straight line perpendicular to the first straight line is generated, wherein the first straight line is used to indicate the straight line formed by connecting the two ends of the sub-center axis; according to the intersection line segment of the second straight line and the grain ridge mask to be measured, the sub-pixel width of the part of the grain ridge mask to be measured corresponding to the sub-center axis is obtained; according to the sub-pixel width of each part of the grain ridge mask to be measured, the average pixel width and the pixel width uniformity of the grain ridge mask to be measured are obtained; the average pixel width and the pixel width uniformity are converted to obtain the actual width and the actual width uniformity of the grain ridge to be measured. The method can improve the problem of human resource consumption in the prior art.

The utility model relates to the technical field of polypeptide extraction, and discloses a polypeptide extraction device which comprises an extractor body, a feeding port formed in the top surface of the extractor body, a limiting ring attached to the outer side is arranged on the top surface of the extractor body, and an inlet closing assembly covering the feeding port is arranged in the limiting ring. And a detachable raw material freezing and thawing assembly is arranged on the limiting ring. The inlet closing assembly is arranged at the feed port of the extractor body, so that the feed port is accurately sealed, and pollution caused when the raw material freezing and thawing assembly is mounted and dismounted is avoided; the raw material freezing and thawing assembly is arranged at the feeding port, polypeptide raw materials can be subjected to freezing and thawing treatment and directly fed into the extractor body to be extracted, the pollution phenomenon is avoided, and daily maintenance is facilitated through the raw material freezing and thawing assembly which can be quickly disassembled.

This utility model relates to a cooling pipe for a continuous casting billet crystallizer, belonging to the technical field of continuous casting crystallizers. It includes a copper pipe and a water jacket, both being square in shape. The copper pipe is placed inside the water jacket, forming a water gap between them. Multiple axially extending intermediate water grooves are provided on the four outer surfaces of the copper pipe. The depth of these intermediate water grooves on each outer surface of the copper pipe is such that the groove at the center of the plane is deeper, while the grooves on the two sides are shallower. The top surfaces of the intermediate water grooves on each outer surface of the copper pipe are flush, and the depth gradually decreases from the center of the plane to the two sides. This reduces excessive cooling at the corners of the copper pipe, avoids the "sharp corner effect," achieves uniform cooling of the copper pipe, and reduces the risk of corner cracks in the cast billet. It effectively controls the pulsation of the cooling water, reduces the occurrence of "hot spots," improves the cooling effect, and extends the service life of the crystallizer copper pipe.