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34 results about "Heat bath" patented technology

Thermoforming method for high-strength steel part, and low-melting-point coating part with low micro-crack depth, hot stamping forming method therefor and hot bath edge cutting device therefor

PCT designated stageWO2025162238A1Shaping toolsQuenching agentsHot stampingCrazing
A thermoforming method for a high-strength steel part. A hot stamping die comprises an upper die (1) and a lower die (2); the lower die is located in a water tank (3); the water tank is used for containing hot water above 60°C; during use, the lower die is partially or completely immersed in hot water; the lower die is provided with at least two sheet supports; each sheet support comprises a fixed rod (7) vertically fixed on the bottom surface of the water tank; the upper end of the fixed rod is rotatably connected to a cross beam (8) by means of a rotating shaft (9); one ends of the cross beams of the sheet supports cooperate with each other to support sheets, and the other ends of the cross beams are rotatably connected to the upper ends of pull rods (10); the lower ends of the pull rods are connected to the fixed rods by means of springs (11); and in an initial state, the height of the cross beams is greater than the liquid level of hot water. Further provided is a low-melting-point coating part with a low micro-crack depth. The low-melting-point coating part comprises a substrate and a low-melting-point coating located on the surface of the substrate; the low-melting-point coating part is formed by hot stamping; micro-cracks are generated in the substrate and the low-melting-point coating in the forming process; and most of the micro-cracks extending from the low-melting-point coating to the substrate are located at concave fillet tangent points of the low-melting-point coating part, and a small part of the micro-cracks extending from the low-melting-point coating to the substrate are located at positions other than the concave fillet tangent points of the low-melting-point coating part. Further provided are a thermoforming method for the low-melting-point coating part, a hot bath edge cutting device for the high-strength steel part, and a method for using the hot bath edge cutting device. According to the thermoforming method, in the direct forming process, the micro-crack expansion process of the low-melting-point coating and the substrate is effectively inhibited, the service life of the low-melting-point coating part is ensured, and excellent corrosion resistance is shown.
Owner:SD STEEL RIZHAO CO LTD

Nano-composite hydrogel modified silica gel as well as preparation method and application thereof

The invention discloses nano composite hydrogel modified silica gel as well as a preparation method and application thereof. The method comprises the following steps: (1) preparing carbon nanoparticles; (2) preparing a polyvinyl alcohol aqueous solution and a pre-polymerized solution of carbon nanoparticles and hydrogel; (3) preparation of nano-composite hydrogel modified silica gel: adding the pre-polymerized liquid and silica gel into the polyvinyl alcohol aqueous solution under stirring, adding an initiator, carrying out hot bath, carrying out condensation reflux in an inert atmosphere for reaction, and then adding a polyvinyl alcohol cross-linking agent and an HCl aqueous solution for reaction; and after the reaction is finished, centrifugally washing and drying to obtain the nano-composite hydrogel modified silica gel. The nano-composite hydrogel modified silica gel has excellent hydrophilicity, can be used as a hydrophilic mode liquid chromatography filler, and has great development space and application potential in the field of chromatographic separation and analysis.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Preparation method and application of core-shell MOF@COF heterojunction material

This invention provides a method for preparing and applying a core-shell MOF@COF heterojunction material, relating to the field of photocatalyst materials technology. The method includes: adding a metal ion source and an organic ligand to a first solvent, obtaining a reaction product through a hydrothermal reaction, washing and drying the reaction product to obtain a MOF material; adding an amino monomer, an aldehyde monomer, and the MOF material to a second solvent, mixing them, and then subjecting the mixture to a cooling bath to obtain a solid; subjecting the solid to a heat bath in a vacuum environment, then washing and drying the product to obtain the core-shell MOF@COF heterojunction material. The core-shell MOF@COF heterojunction material prepared by this invention can effectively absorb visible light and effectively separate photogenerated carriers, promoting the generation of a sufficient number of active species, and can be widely applied in the green remediation of real-world water bodies.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

Bath heater with lifting airing rod

The bath heater comprises a bath heater body, an air heating assembly is installed in a main machine of the bath heater, indoor heating can be achieved by starting air heating, an air exchange assembly is further installed in the main machine of the bath heater, indoor air exchange can be achieved by starting air exchange, a winder is further installed in the main machine of the bath heater, and the airing rod is arranged below a panel of the bath heater. The air-heating bath heater has the advantages that the air-drying rod can ascend and descend along with the steel wire through contraction and contraction of the steel wire in the winder, when the air-drying rod descends, clothes, towels and other objects can be hung, when the air-drying rod ascends to the air-drying position, warm air is started for air-drying, the hung objects are quickly dried, and the defects that an existing air-heating bath heater is not provided with the liftable air-drying rod, and clothes or towels are inconvenient to air are overcome; according to the bath heater, a proper amount of clothes, towels and the like can be hung and aired, air heating can be started to quickly blow-dry the aired and hung objects, the air heating bath heater and an air heating electric heating towel rack are functionally combined into a whole, the overall structure is simple, the adaptive application range is wide, and the bath heater can be adaptive to bath heaters (grille type and swing page type) with different panels.
Owner:李秧珍

Alarm electronic module

The utility model discloses an alarm electronic module, and relates to the technical field of alarm electronic modules. The electronic alarm module comprises an electronic alarm module body, the electronic alarm module body is connected with an air supply motor and a PTC heater, the electronic alarm module body comprises a buzzer, and the buzzer is connected with the PTC heater and the air supply motor; a first diode and a second diode are connected in series between the buzzer and the PTC heater, a third diode, a first resistor and a second resistor are connected in series between the buzzer and the air supply motor, and a voltage-regulator tube and a capacitor are connected in parallel between the PTC heater and the air supply motor. The utility model designs a novel circuit which is arranged in the air-heating bath heater, and when the motor fails and the heating block is independently dry-burnt, the buzzer on the circuit board makes a continuous sound and alarms to remind a user of a fault and cut off a hidden danger source in advance.
Owner:ZHEJIANG DONGXIN ELECTRICAL APPLIANCE CO LTD

Ice maker capable of rapidly unloading ice

The invention discloses a quick deicing ice maker which comprises a control system, a refrigerating system, a deicing system and a shell, the refrigerating system comprises a refrigerating device, an upper ice mold, a lower ice mold and a water adding device, a refrigerating pipeline communicated with the refrigerating device is arranged at the top of the upper ice mold, and the refrigerating pipeline is close to an ice making cavity; the deicing system comprises a liquid storage tank, a heating body, a water pump and a heating pipe, the heating body is arranged in the liquid storage tank, the heating pipe is arranged on the outer side of the ice-making cavity, the water pump is communicated with an inner cavity of the liquid storage tank and the heating pipe, and the two ends of the heating pipe are communicated with the water pump and the inner cavity of the liquid storage tank respectively; the control system, the refrigerating system and the deicing system are all arranged in the shell, and a water box is arranged below the upper ice mold and the lower ice mold and movably connected with the shell. The anti-freezing solution circulating hot bath is adopted to demold ice blocks completing ice making, the provided heat is enough, the temperature rise is fast, the ice block surface dissolution speed is fast, fast demolding can be achieved, and the ice making efficiency is improved.
Owner:NINGBO HEBANG SMART ELECTRICAL APPLIANCES CO LTD

High-strength polyester fiber and method for preparing the same

The present application relates to the technical field of polyester fiber, in particular to a high-strength polyester fiber and a preparation method thereof.The present application overcomes the technical problems of low mechanical strength and poor durability of the polyester fiber in the prior art.The present application prepares a composite functional master batch by stepwise melt extrusion of dopamine-modified zinc oxide, modified bentonite, epoxy-modified silicon dioxide, pyromellitic dianhydride, composite antioxidant and polyester chip; then the master batch is mixed with the remaining polyester chip for spinning, the melt is extruded by shearing and homogenization, and the nascent fiber is prepared by heating, delayed slow cooling and side blowing cooling solidification; finally, the high-strength polyester fiber is prepared by three-stage drawing and heat setting.The present application greatly improves the mechanical strength and durability of the polyester fiber through the synergistic effect of multi-dimensional functionalized nanomaterials and the construction of crosslinked network, combined with the multi-stage heat bath drawing process.
Owner:江苏大豪纺织科技有限公司

Hot bath forming process simulation method based on AUTOFORM

The invention belongs to the technical field of analog simulation, and relates to an AUTOFORM-based hot bath forming process simulation method, which comprises the following steps of S1, establishing a hot forming steel material card; s2, a hot bath forming process route is formulated, wherein the hot bath forming process route comprises a heating section, a hot bath forming section and a cooling section; s3, hot bath forming process parameters are input, wherein the hot bath forming process parameters comprise the environment temperature, the heat transfer coefficient, the friction coefficient and the hot bath time; s4, analogue simulation is conducted on the part, and forming parameters are obtained; and S5, part trial-manufacturing verification is conducted, and forming parameters are adjusted according to part forming results till the parts meet the technical requirements. Based on the AUTOFORM platform occupying 80% of the market share, the hot bath environment is simulated by calibrating parameters such as the heat transfer coefficient and the hot bath friction coefficient during hot bath forming, simulation of the hot bath forming process is achieved, and a basis is provided for large-scale safe application of galvanized hot-formed steel.
Owner:SD STEEL RIZHAO CO LTD

High-strength high-toughness transparent hydrophilic meta-aramid filament and preparation method thereof

PendingCN122446370APolymer scienceSpinning
The present application relates to aramid fiber technical field, provide a kind of high-strength high-toughness transparent hydrophilic meta-aramid filament and its preparation method.The meta-aramid filament provided in the present application has high orientation degree, low crystallinity, dense and pore-free cross section, transparent appearance, high strength and high toughness, and good hydrophilicity, which is beneficial to increase the dispersibility of fiber in water, thereby meeting the preparation requirements of high-end aramid paper.The present application uses strong alkali / dimethyl sulfoxide system to prepare spinning dope, uses water bath as coagulation bath, can prepare uniform and dense nascent gel fiber, and then high-multiple heat bath stretching is carried out to obtain transparent hydrophilic meta-aramid filament with high strength and high toughness.
Owner:HUNAN UNIV

Heating bath equipment using shaft seal heater for auxiliary heating

The utility model discloses heating bathing equipment using a shaft seal heater for auxiliary heating, and belongs to the technical field of heating bathing systems. Comprising a shaft seal heater, water in a water tank is conveyed to a bathing heat exchanger through a bathing circulating pump, the water is subjected to primary heating through the bathing heat exchanger and then subjected to secondary heating through the shaft seal heater, and after hot water is conveyed to a bathing user to be used, the surplus hot water flows back to the water tank to be stored through a bathing water return pipeline; condensed water condensed after steam leakage of a steam seal at the shaft end of a steam turbine cylinder and steam leakage of a steam turbine adjusting steam valve rod release heat in a shaft seal heater flows back into the water tank and a floating ball valve in the water tank through a multi-stage water seal and a condensed water pipeline, water replenishing of the water tank can be automatically controlled, and the liquid level of the water tank is kept stable; the problems that a steam seal at the shaft end of a steam turbine cylinder leaks steam, a steam turbine adjusting steam valve rod leaks steam, the waste heat utilization efficiency is low, and the steam consumption of a heating bathing system is large are solved.
Owner:高子波

Electric appliance sheath hot bath stabilizer and electric appliance sheath hot bath method

The invention relates to the technical field of electric appliance sheath processing, in particular to a preparation method of a hot bath protective agent for an electric appliance sheath, and the protective agent is prepared by mixing the following raw materials and mass components: alkylphenol polyoxyethylene ether, a lauryl sodium sulfate aqueous solution, glycerol, polyether silicone oil, dimethylformamide and oxalic acid. The electric appliance sheath hot bath method is a protective agent prepared by using the electric appliance sheath hot bath protective agent, and comprises the following steps: S1, placing the protective agent in hot water of a hot bath tank; s2, heating the hot bath liquid; s2, the processed product is put into hot bath liquid to be subjected to hot bath, and a semi-finished product is formed; and S4, cleaning the semi-finished product with clear water. The electric appliance sheath hot bath method has the advantages that cracks on the outer surface of the electric appliance sheath are fewer, and the product quality can be improved; the preparation method of the electric appliance sheath hot bath protective agent can be used for preparing the protective agent.
Owner:CHANGGE HUASHENG ELECTRIC

Valve body testing device

The utility model discloses a valve body testing device, and particularly discloses a valve body testing device which is characterized in that heat conduction liquid is contained in a bath heat box, a coil pipe is further arranged in the bath heat box, and the input end and the output end of the coil pipe respectively extend out of the bath heat box; the heating box is used for containing and communicating with the valve body and heating the valve body from the outside. The cooling box is also used for containing and communicating with the valve body and cooling the valve body from the outside. A transportation substance for testing the valve body is introduced from the input end of the coil pipe, and the coil pipe is arranged in the heat conduction liquid, so that the temperature of the transportation substance in the coil pipe is increased or reduced; the input ends of the heating box and the cooling box are respectively communicated with the output end of the coil pipe, the input ends of the heating box and the cooling box are internally communicated with one end of the valve body, and the output ends of the heating box and the cooling box are internally communicated with the other end of the valve body, so that a transported substance can pass through the valve body in the heating box or the valve body in the cooling box; and the water flows out from the output end of the heating box or the cooling box. The technical scheme of the utility model aims to improve the reliability of a valve body test result.
Owner:深圳市南海核电技术有限公司

A method for improving microcracks of a patch panel thermoformed part

This invention relates to the field of hot bath forming technology, and more particularly to a method for improving microcracks in hot-formed patch plate parts. The invention provides a method for improving microcracks in hot-formed patch plate parts, comprising the following steps: selecting a main plate and a patch plate according to a plate thickness critical index δ≤0, matching their thicknesses and inner / outer layer positions; then welding the main plate and the patch plate and hot bath forming to obtain a hot-formed patch plate part; the outermost layer of the hot-formed patch plate part is either the main plate or the patch plate; the main plate is galvanized hot-formed steel; the plate material near the outer corner of the hot-formed patch plate part is the outer layer material, and the remaining layers are the inner layer material. The method of this invention can significantly reduce the depth and number of microcracks in hot-formed patch plate parts.
Owner:SD STEEL RIZHAO CO LTD

Warming bath heater

The utility model discloses a heating bath heater which comprises a lower shell, an upper shell, an upper shell and a lower shell. The upper shell is arranged above the lower shell, an air inlet and a mounting hole are formed in the upper shell, the position of the air inlet corresponds to the position of the ventilation fan, and the position of the mounting hole corresponds to the position of the mounting assembly; the heating lamps penetrate through the mounting holes and are connected with the mounting assembly; wherein a supporting assembly is arranged in the upper shell, part of the supporting assembly extends to the air inlet, and the supporting assembly is used for installing an illuminating lamp. The illuminating lamp is installed and connected through the supporting assembly, the air inflow of the air inlet is guaranteed as much as possible while the illuminating lamp is prevented from making contact with the heating lamp, the internal space is reasonably utilized, and the compact structure is achieved.
Owner:ZHEJIANG YUNJI ELECTRICAL TECH CO LTD

Hot bath forming process for high-corrosion-resistance easy-to-weld hot-pressed parts

The present invention relates to the field of sheet hot stamping and sheet metal parts manufacturing, and provides a hot bath forming process for high-corrosion-resistance easy-to-weld hot-pressed par
Owner:SD STEEL RIZHAO CO LTD

HEAT TRANSFER DEVICE AND OVEN EQUIPPED WITH IT

Heat transfer device (10, 50), comprising: a housing extending over a high-temperature heat source (28) and a low-temperature heat bath (30) which has a lower temperature than the high-temperature heat source (28); comprising a closed space in which non-condensing gas is enclosed, wherein a conduit (X) is formed in the housing and both end sections of the conduit (X) are sealed; a regenerator (18) which is arranged in the conduit (X) and provided with pores (34) which connect the two end sections of the regenerator (18) together and which is insulated from the outside of the casing; a first heat exchanger (14) which is arranged next to the end section of the regenerator (18) on the high-temperature heat source side in the conduit (X) and which allows the heat from the high-temperature heat source (28) to be directed towards the regenerator (18); and a second heat exchanger (16) which is arranged next to the end section of the regenerator (18) on the low-temperature heat bath side in the line (X) and which allows the heat from the regenerator (18) to be directed towards the low-temperature heat bath (30), wherein the center of the regenerator (18) is arranged along the extension direction of the line (X) at a position in the line (X) which is between 12.5% ​​and 25% of the line length from the end section of the line (X) on the high-temperature heat source side.
Owner:NAT UNIV CORP TOKYO UNIV OF AGRI & TECH +1

Environment-friendly sulfuric acid colorimetric analysis device

The utility model discloses an environment-friendly sulfuric acid colorimetric analysis device which comprises a supporting table, a compressor and a condenser are fixedly installed at the bottom end in the supporting table, the condenser is located behind the compressor, and a control terminal is fixedly installed on the left side of the top of the supporting table. A heating bath tank and a condensation bath tank are arranged on the right side of the top of the supporting table, the heating bath tank is located in front of the condensation bath tank, a hot bath stirring paddle and a hot bath heating rod are installed at the bottom end of the interior of the heating bath tank, and the hot bath heating rod is located at the side end of the hot bath stirring paddle; a cold bath stirring paddle and a cold bath heating rod are installed at the bottom end of the interior of the condensation bath tank, the cold bath heating rod is located at the side end of the cold bath stirring paddle, and a movable support is fixedly installed at the top end, close to the condensation bath tank, of the supporting table. Through the arrangement of the titration pump and the movable bracket, the aim of providing a stable temperature environment for uniform titration is fulfilled.
Owner:LIHUAYI LIJIN REFINING & CHEMICAL CO LTD

Rotary evaporation device and honey toxin analysis equipment

The utility model discloses a rotary evaporation device and honey toxin analysis equipment, including rotatory connection subassembly and heating bath pan, rotatory connection subassembly includes shell, the top and bottom surface of shell is provided with extension hole coaxially, and the inside is provided with connecting pipe, the one end of connecting pipe is communicated and connected with heating bottle, and the other end of connecting pipe is communicated and connected with the heating bottle. The other end of the connecting pipe is rotationally and detachably connected with a communicating sleeve, the other end of the communicating sleeve communicates with a condensation collecting assembly, the inner wall of the bottom of the shell is rotationally connected with an annular rotating disc, the annular rotating disc is connected with a driving device, and mounting sliding grooves are symmetrically formed in the annular rotating disc; one end of an adjusting sliding rod provided with an arc-shaped clamping block is slidably connected to the interior of each mounting sliding groove, a distance adjusting mechanism is arranged on the annular rotating disc and connected with the adjusting sliding rods, the distance between the arc-shaped clamping blocks can be changed through the distance adjusting mechanisms, connecting pipes with different diameters can be replaced, condensation assemblies and heating bottles with different specifications can be adapted, and universality and flexibility are improved.
Owner:PLANTS & ANIMALS & FOOD TESTING QUARANTINE TECH CENT SHANGHAI ENTRY EXIT INSPECTION & QUARANTINE BUREAU

Machine learning method for simulating quantum computing system errors based on physical observations

The application discloses a kind of machine learning methods based on physical observation analog quantum computing system error, belong to involve quantum computing field, including: step 1: from the one-dimensional p wave topological superconductor of belonging to BDI symmetry class constructs minimum extensible 2-MZM island;Step 2: according to the minimum extensible 2-MZM island established, the ground state hamiltonian of island is obtained;Step 3: in minimum extensible 2-MZM island, the hamiltonian of the interaction of boson heat bath is obtained by introducing boson heat bath interaction;Step 4: the state of minimum extensible 2-MZM island is described with time t changes by Pauli master equation;Step 5: the probability of different errors is obtained by using standard dwell time monte carlo algorithm to simulate Pauli master equation;Step 6: the final state probability of the i th MC event is predicted on minimum extensible 2-MZM island by training machine learning model through monte carlo event.This method can effectively predict error probability in the minimum extensible range, significantly improve efficiency.
Owner:SUN YAT SEN UNIV

A rapid exhaust and cooling device for automobile wheel hub molds

ActiveCN224273255UFast exhaustPrecise air extractionManufacturing technologyThermodynamics
This utility model relates to the field of automotive wheel hub manufacturing technology and discloses a rapid exhaust and cooling device for automotive wheel hub molds, including an exhaust pin cover plate, an exhaust pipe, and an intelligent digital exhaust fan. The exhaust pin cover plate is locked onto the upper mold by a series of screws arranged in a ring at equal intervals to achieve a sealed fixation. The exhaust pipe includes four exhaust branch pipes and one exhaust main pipe. One end of each of the four exhaust branch pipes is connected to the exhaust pin cover plate, and the other end is connected to the exhaust main pipe. The exhaust main pipe is connected to the intelligent digital exhaust fan. The intelligent digital exhaust fan adjusts the exhaust interval and exhaust time according to the casting mold conditions, enabling rapid exhaust and cooling, improving production efficiency and wheel hub qualification rate, and also recovering high-temperature gas to heat bath water to save resources. It solves the problems of slow cooling and shrinkage cavities through efficient exhaust and utilizes exhaust waste heat for resource recovery, combining the advantages of production optimization and energy saving.
Owner:KUNSHAN HENGTE IND MASCH CO LTD

Heat exchanger for bath water, and heat pump for bath water heating

To provide a heat exchanger for bath water that can heat bath water with high efficiency, and eliminates deterioration of a heat exchanger due to dirt of bath water, and has a small manufacturing cost.SOLUTION: A heat exchanger (9) for bath water is composed of a large-diameter resin pipe (15) of a specified length, and a small-diameter metal pipe (16) inserted into the resin pipe (15). Bath water (3) from a bathtub (2) is introduced into one end part of the resin pipe (15), discharged from the other end part, and then returned to the bathtub (2). A refrigerant pumped by a compressor (7) of a heat pump (1) is introduced into the other end part of a metal pipe (16), discharged from the one end part, and then sent to the expansion valve (11).SELECTED DRAWING: Figure 2
Owner:SCIENCE CO LTD

Device for automatically measuring cloud point of nonionic surfactant

The utility model provides a device for automatically measuring the cloud point of a nonionic surfactant. The device comprises a detection table, a lifting table, a heating unit, a detection unit and a display unit, the heating unit comprises a heating tank, a backflow pipeline, a backflow pump and a heating element, the heating tank is arranged on the detection table, the backflow pump is arranged in the backflow pipeline, and the backflow pipeline is arranged on the outer side of the heating tank and used for enabling hot bath substances in the heating tank to flow back; a heating element is arranged on the outer side of the backflow pipeline; the detection unit comprises a sample tube and a detection assembly, the sample tube is mounted in the heating tank, the detection assembly comprises a temperature sensor and a laser fiber detection sensor, and the detection assembly is arranged on the lifting platform and can extend into the sample tube; the display unit is arranged on the detection table, is in communication connection with the detection assembly, and is used for displaying the temperature value measured by the temperature sensor and the light transmission value measured by the laser fiber detection sensor. The device disclosed by the utility model can be used for automatically measuring the cloud point of the nonionic surfactant and is high in accuracy.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A method and system for simulating the self-sustaining reaction of RDX explosives induced by local thermal stimulation

The present invention discloses a method and system for simulating the self-sustaining reaction of RDX explosives induced by local thermal stimulation. The method comprises: constructing a molecular structure model of a single explosive, and processing the molecular structure model of the single explosive to obtain α-RDX supercell models of different crystal forms and compression densities; applying a thermal bath load stimulus of different action durations to the α-RDX supercell models of different crystal forms and compression densities; setting corresponding boundary conditions, compiling a chemical reaction product visualization program, and analyzing the effects of different thermal bath load stimuli on the ignition and self-sustaining reaction of the α-RDX supercell model. The present invention can study the self-sustaining ignition and reaction growth process of the adiabatic process induced by the critical temperature of the hotspot, and simulate the hotspot self-sustaining reaction problem of RDX with different crystal forms and different compression densities under local thermal stimulation.
Owner:BEIJING INST OF TECH

Water level control method, water level control device and hot bath stamping device

The invention provides a water level control method, a water level control device and a hot bath stamping device. The hot bath stamping device comprises a mold. The water level control method comprises the steps of obtaining water level information in a mold; and when the current water level is higher than the calibrated highest water level and lasts for a first set duration, stopping water replenishing and lasts for a first set period. Water level information is obtained again, and when the water level information shows that the current water level is higher than the calibrated highest water level, the water supplementing device is controlled to supplement water with the first water supplementing amount. And when the current water level is lower than the calibrated lowest water level and lasts for a second set duration, supplementing water with a second water supplementing amount and lasts for a second set period. The water level information is obtained again, and when the current water level is lower than the calibrated lowest water level, the water supplementing device is controlled to supplement water with the third water supplementing amount; when the current water level is not higher than the calibrated highest water level and not lower than the calibrated lowest water level, the water supplementing device is controlled to supplement water with the second water supplementing amount. The first water supplementing amount, the second water supplementing amount and the third water supplementing amount are gradually increased.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

High-strength high-modulus polyvinyl alcohol fiber wet heat bath heating device, method and application

The application discloses a heating device, which comprises a tank for the object to be heated and a heating assembly, and the heating assembly is located in the tank; the tank is provided with an opening; wherein: the heating assembly comprises a steam inlet pipe, a heating part and a condensed water drain pipe which are connected in sequence, the steam inlet pipe extends downward into the tank, the heating part is located in the tank, the condensed water drain pipe extends upward out of the tank, and the condensed water drain pipe is externally connected with a trap. The integrated structure of the heating assembly makes the heating assembly easy to be taken out from the tank, which is beneficial to the maintenance of the heating assembly, improves the maintenance efficiency of the heating assembly and reduces the maintenance cost of the heating assembly. The application further discloses a heating method and application thereof in spinning.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Device for heating bathhouse water by using waste heat of calcining furnace

The utility model discloses a device for heating bathhouse water by calcining furnace waste heat, which comprises waste heat extraction equipment and waste heat utilization equipment, the waste heat extraction equipment consists of calcining furnace lower water saving jackets, a circulating water pump and a hot water tank, and a plurality of groups of calcining furnace lower water saving jackets are connected with the circulating water pump through pipelines to convey hot water to the hot water tank; the waste heat utilization device is composed of a heating pump, a tap water pipeline main pipe, a heat exchanger and a hot water storage tank, the hot water tank is communicated with one end of the heat exchanger through the heating pump, and the other end of the heat exchanger is communicated with the hot water tank. The tap water pipeline main pipe and the hot water storage tank are both communicated with the heat exchanger. By using the equipment, the service life of the lower water-saving jacket can be prolonged, water resources can be saved, and waste heat can be recycled. And the production cost is reduced during operation, and social energy is saved.
Owner:JINAN AOHAI CARBON PROD +1

Electric sheath hot bath device

ActiveCN224044339UMechanical engineeringHeat bath
The utility model relates to the technical field of electrical sheath processing, in particular to an electrical sheath hot bath device which comprises a hot bath body and a device frame, the hot bath body is mounted on the device frame, the hot bath body is provided with an inlet in the right side and an outlet in the left side, a hot bath channel is formed in the hot bath body, and the hot bath channel is communicated with the hot bath channel. The hot bath channel is of a wave-line-shaped structure folded back up and down, the wave-line-shaped structure is provided with a plurality of lower single hot bath grooves and a plurality of upper connecting channels, and the single hot bath grooves are sequentially a first single hot bath groove, a second single hot bath groove and a third single hot bath groove from right to left. The device has the advantages that the surface flatness of the produced sheath is good, the external corner of the sheath is not very thin, and the product quality can be improved.
Owner:STATE GRID HENAN ELECTRIC POWER CO XINXIAN POWER SUPPLY CO