35results about How to "Avoid direct heating" patented technology

The invention relates to an improved test device for testing an oxidizing solid. The improved test device is provided with a test system and a measurement system and is characterized in that the test system and the measurement system are positioned at two ends of a lever system and are connected with each other through the lever system; the test system comprises a bracket A, a limiting block, a tray A, a heat isolation plate, a wiring post and a resistance wire; the lever system comprises a lever, a wire A, a wire B, an electric brush, a current collection ring, a bracket B and a power supply; the measurement system comprises a balance weight, a tray B, a level adjuster and a balancer. Compared with the prior art, the improved test device disclosed by the invention has the advantages that the test system can be separated from the measurement system, the measurement precision is improved according to an equal arm lever principle, and damage of heat and dust on the balancer during combustion can be eliminated.

A crawler united paver for rolling asphalt concrete is prepared as setting infrared heating unit and insulated hopper of asphalt mixed material at host head; setting alignment monitoring unit at connection point of infrared heating unit and host; setting shock-ironing plate and frame die at host back, riding transition material sub hopper on frame die and setting scraper, scraper lifting up and lowering down unit and receiver of laser leveling unit at back of transition material sub hopper.

The invention provides a wellhead heating storage tank, and relates to the technical field of oil extraction equipment. A water jacket is arranged on the outer side of the storage tank and buried underground, and an electric heater is arranged in the water jacket; an output pump is arranged in the storage tank, and an outlet of the output pump is connected with two electric valves in parallel andconnected with an output pipe and a back flushing pipe. The wellhead heating storage tank has the following advantages that produced liquid in the storage tank is indirectly heated, the heating safetyis high, the purpose of flowing output is achieved, and potential safety hazards caused by the fact that crude oil is directly heated by the electric heater are prevented; a spray head arranged at the bottom of the storage tank impacts liquid at the bottom of the storage tank upwards to form hydraulic stirring, the liquid in the whole storage tank is stirred and output in a homogeneous state, thetendency of impurity deposition at the bottom of the storage tank is reduced, and the homogeneous produced liquid is beneficial for subsequent treatment; terrestrial heat is stored and released through the energy storage performance of a phase change energy storage material, and the temperature field outside the water jacket is improved; and meanwhile, energy is supplemented to the storage tank through solar energy, and energy consumption is reduced.

The invention discloses a waste liquid combustion treatment system. The system comprises a waste liquid combustion device, a heat recovery heat exchanger and a tail gas treatment device; the waste liquid combustion device comprises a collecting tank and a high-pressure air source, the collecting tank is connected with a waste liquid combustion furnace through a waste liquid pipe; the waste liquidcombustion furnace comprises a furnace body, a refractory mud layer is arranged on the inner wall of the furnace body, the lower end of the furnace body is closed, and an opening is formed in the upper end of the furnace body; the high-pressure air source communicates with the waste liquid pipe through a high-pressure air pipe, and an igniter is arranged at an opening of one end, extending into the furnace body, of the waste liquid pipe; the heat recovery heat exchanger comprises a heat exchange barrel which is vertically arranged; and the tail gas treatment device comprises a tower body, a water tank is arranged at the bottom of the tower body, a tail gas inlet is formed in the side wall of the tower body arranged on the water tank, two layers of porous plates are arranged at intervals inthe portion, above the tail gas inlet, of the tower body, a filling material is arranged on each porous plate, and the top end of the tower body is connected with a condenser through a tail gas outlet pipe. According to the system, liquid fuel waste liquid generated in a laboratory can be sufficiently combusted, heat generated by combustion can be recycled, and harmful components in the tail gascan be fully absorbed.

The invention discloses a fusion device for yellow lead production. The fusion device comprises a fusion box, a rotary roller is rotatably connected to the inside of the fusion box, and a motor is fixedly installed in the middle of the upper end of the fusion box; a rotary shaft is fixedly connected with an output shaft of the motor, several fixed rods are fixedly connected to the side surface ofthe rotary shaft, and the rotary shaft is fixedly connected to the inside of the rotary roller through the fixed rods; several side wall shovel plates are fixedly connected to the side surface of therotary roller, several bottom shovel plates are fixedly connected to the lower end of the side surface of the rotary roller, and a fixed column is fixedly connected to the bottom of the fusion box; afirst heating pipe is fixedly installed at the upper end of the fixed column, a temperature preservation bucket is fixedly connected with an outer ring of the fusion box, and a second heating pipe isfixedly installed between the fusion box and the temperature preservation box. The using efficiency of the fusion device for yellow lead production is improved, fused yellow lead can be discharged better, direct heating is avoided, and yellow lead of a thick layer is prevented from wrapping the heating pipes.

The invention discloses an automatic liquid adding control system for absorption product detection in the technical field of disposable hygienic product testing devices. The automatic liquid adding control system comprises a control box, a clean water tank and a saline water tank, wherein the control box is located at the right part of the clean water tank, the saline water tank is located in an inner cavity of the clean water tank, two groups of water adding ports are formed in the top wall of the clean water tank, the two groups of water adding ports are communicated with inner cavities of the clean water tank and the saline water tank respectively, a temperature sensor is arranged on the bottom wall of the clean water tank, a direct-current motor is installed on the top wall of the inner cavity of the saline water tank through a welding support, a stirring paddle is installed on an output shaft of the direct-current motor through a coupler, the outer wall of the water outlet of the saline water tank is sleeved with a silicone tube, and one end of the silicone tube penetrates through the outer walls of the clean water tank and the control box respectively. According to the automatic liquid adding control system, the clean water tank and the saline water tank are independently arranged, and raw saline water is injected into the inner cavity and indirectly heated by tap water outside the cavity, so that the raw saline water is effectively prevented from being directly heated by the heating pipe, and the oxidation effect caused by direct contact heating and the damage to tissue components of the raw saline water are avoided.

The invention discloses an intelligent lock with a heating structure. The intelligent lock comprises a lock body, a lock shell, a storage box, a drying agent, a fingerprint identifier, a fingerprint touch screen, a lock cover, a handle, a connecting shaft, a fixed plate, a fixed shell, a heat exchange pipe, a threaded hole, a bolt, a connector, a supporting plate, a micro water pump, a heating pipe, a water inlet pipe, a water outlet pipe, a fixed buckle, a partition plate, a protective shell, a fixed block, an elastic piece, a clamping block, an electric heating wire, a cover body, a pressing plate and a notch. The intelligent lock has the beneficial effects that a heating source can be arranged on the handle to heat the handle, the anti-freezing problem in winter is achieved, the surface of the intelligent lock can be heated, the heating source is arranged on the handle, the situation that the heating source directly heats the interior of the intelligent lock can be avoided, and the problem that the heating source damages the intelligent lock is solved; and heat exchange is achieved through a closed pipeline, it can be guaranteed that the surface heating temperature of the intelligent lock is appropriate, and meanwhile the fixed shell and the cover body can prevent the heating source at the handle from making direct contact with a user.

The invention discloses a channel type and static heating combined fuel oil heating structure. The channel type and static heating combined fuel oil heating structure comprises a middle vertical platewith an arc-shaped horizontal section, wherein the surface of the side, facing the circle center of the fuel oil heating structure, of the middle vertical plate serves as the inner surface, and the surface of the other side serves as the outer surface; an inner heat dissipation plate and an outer heat dissipation plate are fixedly connected to the inner surface and the outer surface of the middlevertical plate in an attached mode, an upper support plate is connected to the top end of the middle vertical plate, a lower support plate is connected to the lower end of the middle vertical plate,and the upper support plate and the lower support plate are used for being connected with the inner surface of a shell of the fuel filter in a pressing mode, so that a gap is formed between the outerheat dissipation plate and the inner wall of the shell of the fuel filter, the shell is prevented from being heated directly, heat dissipated to the outside is reduced, and the fuel oil heating efficiency is improved. After the channel type and static heating combined fuel oil heating structure is adopted, a heating mode of combining channel type heating and static heating is realized, the heatingefficiency is higher, the energy loss is little, fuel oil at a channel is heated more uniformly, the fuel oil at the channel and static fuel oil are both heated, and the filter resistance when the fuel oil passes through a filter layer is reduced to the maximum extent while the energy is saved.

The invention relates to an injection molding machine material taking method based on a mechanical arm. In a mold opening process, when a movable mold of an injection molding machine moves to the position where the movable mold is completely located on the outer side of an injection molding product and does not hinder the mechanical arm to execute a material taking action, the mechanical arm is controlled to start the material taking action. According to the injection molding machine material taking method based on the mechanical arm, before the movable mold reaches the starting position to complete the mold opening action, a material suction frame can be controlled to start the material taking action. Compared with the prior art that the material suction frame is controlled to act after the movable mold completes the whole mold opening process and returns to the starting position, the methodimproves the mold opening and material taking efficiency of the injection molding machine.

A crawler united paver for rolling asphalt concrete is prepared as setting infrared heating unit and insulated hopper of asphalt mixed material at host head; setting alignment monitoring unit at connection point of infrared heating unit and host; setting shock-ironing plate and frame die at host back, riding transition material sub hopper on frame die and setting scraper, scraper lifting up and lowering down unit and receiver of laser leveling unit at back of transition material sub hopper.

The application discloses a smart lock with a heating structure, which includes: a lock body, a lock case, a storage box, a desiccant, a fingerprint reader, a fingerprint touch screen, a lock cover, a handle, a connecting shaft, a fixing plate, a fixing case, a replacement Heat pipes, threaded holes, bolts, joints, support plates, micro pumps, heating pipes, water inlet pipes, water outlet pipes, fixing buckles, partitions, protective shells, fixing blocks, shrapnel, clamping blocks, electric heating wires, covers, pressure plates and notch. The benefit of this application is that a heating source can be set on the handle to heat the handle, which not only realizes the problem of antifreezing in winter, but also can heat the surface of the smart lock. Setting the heating source on the handle can avoid direct damage to the inside of the smart lock by the heating source Heating to prevent the heating source from damaging the smart lock. The closed pipe is used to realize heat exchange, which can ensure the heating temperature of the smart lock surface is appropriate. At the same time, the fixed shell and cover can avoid direct contact between the heating source at the handle and the user.

The invention particularly relates to a garbage waste treatment system which comprises a feeding mechanism and an incinerator mechanism which are connected in sequence, wherein garbage waste conveyed into the incinerator mechanism by the feeding mechanism is incinerated; a waste gas cooling box which is used for sucking waste gas generated after incineration of the incinerator mechanism and rapidly cooling the waste gas; a spraying atomization reaction mechanism which is used for carrying out spraying atomization reaction on the gas cooled by the waste gas cooling box, removing harmful gas in the waste gas, adsorbing and removing dust in the waste gas, and enabling one part of the gas subjected to the spraying atomization reaction to flow back to the incinerator and the other part of the gas to flow to the oil smoke separation mechanism; an oil-smoke separation mechanism which is used for carrying out oil-smoke separation on part of the waste gas after the spraying atomization reaction; and a tail gas treatment mechanism which is used for carrying out high-temperature heating treatment on gas obtained after oil fume separation and combusting a small amount of combustible gas contained in treated waste gas. According to the garbage incinerator, garbage waste can be incinerated, and incinerated waste gas is purified.

The invention provides a gasoline engine for a snow sweeper, which comprises a silencer, a face guard, a carburetor and a cylinder body, wherein the silencer is provided with a silencer chamber, a silencer housing, a silencer intake pipe and a spark arrester; the silencer chamber is arranged in the silencer housing and is a cavity formed by a silencer chamber lower shell and a silencer chamber upper shell; the silencer intake pipe penetrates through the silencer chamber lower shell and extends upwards; the upper end part of the silencer intake pipe is installed on the inner wall surface of the silencer chamber upper shell; the upper end of the face guard is connected with the lower part of the silencer housing, and the lower end of the face guard is connected with the cylinder body; a space, the upper part of which is communicated with the silencer, is formed between the face guard and the cylinder body; an air filter is omitted at the air inlet of the carburetor; and the carburetor and the air inlet of the carburetor are positioned in the space enclosed by the face guard. By using the structure, the invention inhibits the temperature rise of the silencer, avoids scalds, increasesthe air temperature at the air inlet of the carburetor, and improves the ignition performance and the power performance.

The invention provides a pipe, a preparation method of the pipe and a concrete machine. The pipe includes: a pipe body; a wear-resistant coating formed on the inner wall of the pipe body by thermal spraying; wherein the wear-resistant coating includes a ceramic material coating. The wear-resistant coating can prevent the material from directly impacting and wearing the pipe body, thereby preventing the pipe body from being abraded by the material and prolonging the service life of the pipe body. weight and production costs. The wear-resistant coating is an integral structure formed by thermal spraying. On the one hand, the structural stability of the integral structure is strong, and there is no structural connection section, which can effectively avoid structural damage or shedding. On the other hand, thermal spraying technology has the ability to form The advantages of high efficiency and strong stability can reduce the production cost of the pipeline and further improve the structural stability of the wear-resistant coating.

The invention relates to an electrically-heated energy-storage heat exchanger and a heat storing and releasing method thereof and solves the problems of non-uniform energy distribution and low energy utilization rate in the heat exchange process of an existing electrically-heated phase change heat storage and exchange device. The electrically-heated energy-storage heat exchanger comprises a tank-shaped shell and an electric heating pipe; the shell is filled with a heat storage medium. The electrically-heated energy-storage heat exchanger is characterized in that a heat exchange pipeline is also arranged in the shell and is vertically folded back in a vertical plane to be coiled in an S-shaped manner; the heat exchange pipeline is folded to and fro in a horizontal plane to be arranged in an S-shaped manner or spirally arranged inside the shell around a circle center; an opening is formed in the upper end of the shell, and a detachable cover plate is arranged at the upper end of the shell; an inlet and an outlet of the heat exchange pipeline penetrate out of the shell from the cover plate; the electric heating pipe extends into the inside of the shell downwards from the cover plate. The electrically-heated energy-storage heat exchanger provided by the invention performs uniform heat exchange on the heat storage medium with poor mobility, so that the heat utilization efficiency is improved.

The invention discloses a double-sided heat exchange tunnel drying room with a built-in heat source, which includes a room body, and the inside of the room body is divided into a drying room and a heating room by two partitions. Dry frame; the lower side wall of the house body is fixed with a support plate, the upper side wall of the support plate is fixed with a motor, the driving end of the motor is upward and an incomplete gear is fixed, and two gears are installed on the support plate. Two rotating rods, gear 1 and gear 2 are fixed on the two rotating rods, the two gears are located on the side of the incomplete gear and meshed with the incomplete gear, slidingly inserted on the outer wall of the housing body There is a slide plate, and the left end of the slide plate is fixedly connected with the outer wall of the drying frame. The invention realizes the automatic drying of the material through the automatic feeding of the material storage box, and the left and right reciprocating movement of the drying frame ensures the full contact between the material and the high-temperature airflow, avoids drying blind spots, and makes the dense mesh plate automatically turn down to export the material to the conveyor belt Transport and export on the machine to realize the automation of drying work.

The invention discloses a control method for a lowest-water-level-changing double-water-tank solar water heating system. The control method includes the following steps that multiple parameters of the double-water-tank solar water heating system in all time periods in n days before a forecasting day are collected; calculation is conducted to obtain the water use amounts of all the time periods in the n days before the forecasting day by subtracting the water flow of a water return main pipe in the corresponding time periods from the water flow of a water supply main pipe of all the time periods in the n days before the forecasting day; with the combination of a statistical method of t distribution in applied mathematical statistics and under the set confidence coefficient, the following formulas are adopted for calculating the forecasting values of the water use amounts of all the time periods in the forecasting day; the water level set value of a gradient temperature control heat supply water tank in the forecasting day is calculated; heat collection circulation is conducted; a heat collection water tank supplements water to the heat supply water tank; water supplementation of the heat collection water tank is conducted; the heat collection water tank supplements water to the heat supply water tank; and gradient temperature control water supplementation and overheat protection are conducted. By the adoption of the method, the starting time of an auxiliary heat source is shortened, and it is expected that the energy is saved by 20% or higher than that of a single-water-tank solar water heating system.