1424 results about "Heating effect" patented technology

The invention relates to the technical field of wafer test equipment, in particular to a heating aging test tool which comprises a storage rack and further comprises a wafer clamp placed on the storage rack. The detection assembly comprises a plurality of elastic probes located on one side of the storage rack and a heating disc; and the hot air guide assembly comprises a ventilation male head arranged on one side of the heating disc, an air guide pipe is arranged on the side, away from the ventilation male head, of the heat conduction cover, the air amount in the cavity is gradually decreased from near to far away from the air guide pipe, and the air flow speed is gradually decreased. A hot air flow guide assembly is arranged on a conveying frame, heat of a heating disc is guided to the position above a wafer through airflow through a heat conduction cover, the space above the wafer is divided into a plurality of cavities, the space size and the space shape of each cavity are set, the air flow speed and the contained hot air amount of each space are adjusted, and therefore the heat conduction efficiency of the wafer is improved. The influence of heat loss in the air flow process is reduced, so that the heating effects of all parts of the wafer are similar, and the detection effect is improved.

The invention provides an automobile air conditioner control method and device, a storage medium and an automobile air conditioner. The automobile air conditioner control method comprises the following steps of obtaining current environment temperature outside an automobile and current heating accumulation operation time of the air conditioner; and determining whether an air outlet and / or an airinlet of the air conditioner are covered with ice and snow or not according to the current environment temperature outside the automobile and the current heating accumulation operation time. The scheme provided by the invention can be used for solving the problem that due to the fact that the air outlet and / or the air inlet of the automobile air conditioner are covered with ice and snow, the problem that the heating effect of the air conditioner is reduced is solved.

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.

The present application relates to a kind of intelligent environmental protection impregnation equipment, including impregnation groove, glue liquid and intelligent heating system are arranged in the impregnation groove, the air collection mechanism is arranged at the top of the impregnation groove, and the air collection mechanism is connected with buffer feeding mechanism;The air collection mechanism includes the collection cover located in the top of impregnation groove, and the collection cover is fixedly connected with impregnation groove, and the top of the collection cover is fixedly provided with air pump, and collection pipe is installed on the air pump, and the collection pipe is inserted into collection cover;The intelligent environmental protection impregnation equipment, by collecting toxic air and conveying to air treatment device for purification, improve the environmental protection, and, the heat in toxic air is transferred to the cord fabric, cord fabric is preheated, heat recovery is realized, further improve the environmental protection effect, in addition, toxic hot air flows to the intermediate roll, it is convenient for heat to be transferred to the roll body, improve heat recovery efficiency, improve cord fabric preheating effect.

The pulse and heating gasket comprises inner-layer cloth, an inner-layer adhesive film, an energy conducting film, an FPC circuit board, a middle-layer adhesive film, a battery, an outer-layer adhesive film and outer-layer cloth, the FPC circuit board comprises a pulse unit and a heating unit, and the pulse unit is covered in the energy conducting film; the FPC circuit board is arranged between the inner-layer adhesive film and the middle-layer adhesive film, and the energy conducting film penetrates through the inner-layer adhesive film and the inner-layer cloth to the outside of the inner-layer cloth; the battery is arranged between the middle-layer adhesive film and the outer-layer adhesive film, the outer-layer adhesive film is connected with the outer-layer cloth, and the inner-layer cloth is connected with the periphery of the outer-layer cloth, during application, the pulse unit generates a pulse loop, the heating unit generates a heating effect, and the energy conducting film transmits the pulse loop and the heating effect to a human body; the inner layer adhesive film and the middle layer adhesive film seal the FPC circuit board and the energy conducting film, and the middle layer adhesive film and the outer layer adhesive film seal the battery, so that the waterproof function is achieved. Therefore, the design can be washed by water, and is clean and sanitary.

A heating assembly is arranged on the outer side of the bottom of an inner shell, an outer shell comprises an outer side shell forming a vacuum layer with the side wall of the inner shell, the outer shell further comprises an outer bottom shell, and the outer bottom shell, the outer side shell and the outer wall of the lower bottom of the inner shell form a containing cavity for containing the heating assembly. The outer shell comprises an outer side shell forming a vacuum layer with the side wall of the inner shell, the side edge heat preservation effect is good, the outer bottom shell, the outer side shell and the outer wall of the lower bottom of the inner shell form a containing cavity for containing a heating assembly, the whole body is independent, reliable and convenient to carry, can be matched with a power line or a power source to be carried, is lighter, and can be electrically connected when the power source is needed. And the inner shell and the outer shell are arranged, so that cleaning and disinfection are facilitated, the containing cavity for containing the heating assembly is formed, good heat preservation can be achieved, and the complete heating effect is achieved.

The invention discloses a deicing material with a low-interface-toughness coating coupled with a mixed phase change material and a preparation method of the deicing material, and belongs to the technical field of anti-icing and deicing materials. The preparation method comprises the following steps: spraying a product solution obtained by grafting micron-sized hydrophilic silicon dioxide, nano-sized aluminum oxide and a silane coupling agent on the surface of a substrate, drying and curing to obtain a micro-nano porous structure bottom layer, and uniformly coating the micro-nano porous structure bottom layer with a Graphene-coated PEG400 mixed phase change material to form a phase change heating / photo-thermal layer. And finally, spraying a low-interface toughness coating prepared by reacting polydimethylsiloxane with a cross-linking agent and a polymerization increasing agent on the phase change heating / photo-thermal layer to obtain the deicing material. According to the invention, the weak binding force of the low-interface toughness coating is utilized to greatly reduce the adhesive force between the ice layer and the substrate, and the heating effect of the phase change heating / photo-thermal layer is utilized to realize low-energy-consumption intelligent deicing, so that the safety and economical efficiency of equipment are remarkably improved.

The invention discloses a tail water recharge system of a middle-deep geothermal well and a working method, and particularly relates to a recharge well, a vacuum breaker, a flowmeter, a control system, a remote monitoring device, a steady flow tank, an impurity filtering device, a vacuum detection device and a temperature control device. According to the tail water recharge system of the middle-deep geothermal well and the working method, the vacuum breaker is additionally arranged in the recharge well, so that the problem of negative pressure generated in the recharge process is effectively solved, a vacuum column is prevented from being formed in a heating system, the heating effect is improved, the geothermal dynamic monitoring work is simplified, and the working efficiency is improved. The vacuum breaker is arranged so that tail water can be smoothly recharged into a heat storage layer, the situation that air enters a recharge system is avoided, the quality of the tail water is kept, a recharge channel is prevented from being blocked, the recharge efficiency is improved, complex equipment such as a sand remover, a filtering tank and an exhaust tank does not need to be arranged, the system structure is simplified, and the system cost is reduced. And meanwhile, the recharge efficiency is improved.

The utility model belongs to the technical field of graphene flexible heating pads, and particularly relates to a graphene flexible heating pad capable of conducting heat through superposition, which comprises a heating pad main body, the heating pad main body comprises a heating layer, a heat preservation layer is arranged on the lower end face of the heating layer, and a bottom layer is arranged on the lower end face of the heat preservation layer. Rapid heating can be carried out; a gap between the first heating film and the second heating film is filled through the first heat-conducting silica gel sheet, so that heat transfer between the first heating film and the second heating film is realized, the heating speed is increased, and the heating effect is improved; heat of the second heating film is conducted upwards through the second heat conduction silica gel sheet, heating use is facilitated, good heat insulation and heat preservation effects are achieved, heat loss is reduced, the heating effect is further improved, the strength is high, the wear-resisting effect is improved, and protection is achieved from the surface; and the buffer layer is made of heat-resistant sponge, is relatively soft and has good buffer performance, so that the comfort level is improved.

The invention discloses an air energy heat pump unit control method and device, a storage medium and a server, and relates to the technical field of heat pump units. The method comprises the steps that the future outdoor temperature corresponding to an air energy heat pump unit is determined; a preset building model is adopted for calculation according to the future outdoor temperature, and the required heating capacity is obtained; when the future outdoor temperature is larger than a preset outdoor temperature, an adjustment coefficient is calculated according to the required heating capacity and a reference heating capacity, and the reference heating capacity is obtained through calculation according to the preset outdoor temperature by adopting the preset building model; and the actual set water temperature is corrected according to the adjustment coefficient and the preset temperature difference, the corrected set water temperature is obtained, and the air energy heat pump unit is controlled to conduct heating operation according to the corrected set water temperature. The water temperature can be reliably and dynamically adjusted and set, the operation energy consumption of the air energy heat pump unit is reduced, and the heat supply effect of the air energy heat pump unit is guaranteed.

The utility model relates to a hot rolling device which comprises a hot pressing assembly, and the hot pressing assembly comprises an upper pressing roller and a lower pressing roller which are used for rolling a material layer and a heating piece used for heating the material layer to be rolled and the pressing rollers. The heating pieces are arranged on the upstream and downstream of the upper and lower pressing rollers in the conveying direction of the material layer, heat reflecting surfaces are further formed on the sides, away from the conveying direction and the pressing rollers, of the heating pieces, the heat reflecting surfaces are used for reflecting heat emitted by the heating pieces, and the heating pieces are separated from the pressing rollers, so that a heat source is separated; the heat generated by the heat source is concentrated in the space where the material layer conveying path near the compression roller is located, so that the heating uniformity of the material layer is improved while the heating effect on the material layer is ensured.

The invention discloses a method for testing trajectory transport parameters of a pulse-excited transistor at an ultralow temperature, and belongs to the field of semiconductor device characterization. According to the method, the self-heating effect intensity of a device is actively controlled by adjusting the pulse time at the environment temperature lower than 10K, and the source-drain saturation current of the transistor in different self-heating states is measured; the true temperature of the channel is inverted by using source-drain saturation current in different self-heating states; and calculating the back scattering probability and the ballistic transport efficiency by researching the dependency relationship between the changes of the threshold voltage and the source-drain saturation current and the channel temperature. According to the method, parameter extraction errors caused by inconsistency of the environment temperature and the channel temperature in a traditional method are solved, the intrinsic ballistic transport efficiency parameters of the device can be accurately obtained, and the method is suitable for high-performance planar transistors with silicon, germanium and III-V group compounds as carrier channels, fin type three-dimensional grids and transistors with ring gate-nanowire structures.

The invention relates to the technical field of road engineering detection, in particular to an asphalt thermal regeneration temperature field intelligent detection and visualization system for a laboratory. The system comprises the following modules: a distributed temperature sensing module, a data transmission processing module, a three-dimensional temperature field reconstruction module and a man-machine interaction module. According to the technical scheme, by constructing an intelligent detection and visualization system comprising a distributed temperature sensing module, a data transmission processing module, a three-dimensional temperature field reconstruction module and a man-machine interaction module, real-time capture and accurate visualization of three-dimensional temperature distribution of the asphalt layer are achieved, and therefore a data-driven optimization basis is more scientifically provided for pavement regeneration construction. The system breaks through the limitation of asphalt thermal regeneration single-point temperature measurement, and performs auxiliary improvement on the heating effect of the in-place thermal regeneration heater to reduce the problems of overhigh center temperature and insufficient edge temperature, thereby improving the asphalt regeneration utilization rate, prolonging the service life of a road and providing data support for green road construction. And road maintenance is promoted to be transformed to precision and intelligence.

According to the air source heat pump two-stage heating system, an air source heat pump unit compresses a low-temperature and low-pressure refrigerant into high-temperature and high-pressure gas through a compressor, and heat is transferred to outdoor air / circulating water through a water side / air side heat exchanger. The first-stage heating system is connected with the air energy collecting device and used for primarily increasing the water temperature; the second-stage heating system is connected with the first-stage heating system and is used for further raising the water temperature to the required supply temperature; according to the system, through a series-parallel connection two-stage heating mechanism of air energy, the system flow is effectively reduced, matching with an existing heating system with a small pipe diameter becomes possible, the temperature of supplied water and returned water is remarkably increased, and therefore the good tail end heating effect is ensured.

The utility model discloses calendering equipment for fabric production, and relates to the technical field of calendering equipment. The calender body is provided with a machine base and a calendering mechanism, a heating mechanism is arranged on the machine base and comprises an electric heating plate and insulation supporting legs, the tops of the insulation supporting legs are used for supporting the electric heating plate, the bottoms of the insulation supporting legs are fixedly connected to the machine base, fabric fed through the cloth feeding roller slides through the upper end face of the heating mechanism, and the fabric penetrates through the middle of the calendering mechanism. The heating mechanism is arranged on the machine base, so that heating rollers are reduced, and the equipment structure is simplified; according to the heating mechanism, traditional heating roller heating is changed into plane large-width heating, the heating effect is better and more uniform, meanwhile, the heat storage plate is adopted in the heating mechanism, heat can be stored, heat dissipation is reduced, the heat utilization rate is increased, and energy conservation and environment protection are facilitated.

The utility model relates to the technical field of air conditioners, in particular to an air conditioning system, and aims to solve the problem of how to reduce the cost and space occupancy rate of the air conditioning system while avoiding large fluctuation of exhaust temperature caused by too small opening of an expansion valve in the heating process. In order to achieve the purpose, according to the air conditioning system, the one-way throttle valve is arranged between the evaporator and the expansion valve to replace a capillary tube and a control valve which are traditionally arranged in parallel, the product cost and the space occupancy rate are effectively reduced, it is guaranteed that refrigerants smoothly pass through the one-way throttle valve in the refrigeration mode, efficient non-throttling conduction is achieved, and the service life of the air conditioning system is prolonged. Therefore, the refrigeration effect of the air-conditioning system is ensured; in the heating mode, the one-way throttle valve can assist in adjusting the opening degree of the expansion valve, so that the one-way throttle valve and the expansion valve cooperate to throttle a refrigerant, the situation that the opening degree of the expansion valve is too small, and consequently the exhaust temperature and the air outlet temperature fluctuate greatly is avoided, the heating effect of the air conditioner system is ensured, and the stability and reliability of the air conditioner system are improved.

This utility model relates to a welding deformation correction device for steel structure components, belonging to the field of steel structure component production technology. It includes a traveling track and a self-propelled trolley that travels along the length of the track. A vertical support column is mounted on the self-propelled trolley, and a horizontal support cantilever is mounted at the top of the support column. A first mounting seat and a second mounting seat, movable and lockable along the length of the horizontal support cantilever, are mounted on the horizontal support cantilever. A gas torch and a correction detection device are respectively mounted on the first and second mounting seats. This utility model has the following advantages: the self-propelled trolley, carrying the gas torch and correction detection device, moves along the length of the steel plate, enabling a more uniform movement speed of the flame torch and better heating of the steel structure component. The gas torch is used for flame correction of the steel plate. The correction detection device is used to detect the flame correction effect and prevent overcorrection as much as possible.

The invention relates to a lunar soil microwave heating effect evaluation method. The method comprises the following steps: establishing a microwave cavity model enclosed by a metal boundary; calculating electric field distribution of the lunar soil according to the magnetic conductivity and the complex dielectric constant of the lunar soil; a plurality of sampling bodies are arranged in the target area, and microwave energy absorbed by each sampling body is calculated according to electric field distribution of lunar soil; determining the specific heat capacity of the lunar soil along with the temperature change, and calculating the temperature change rate in each sampling body according to the microwave energy; calculating the standard deviation and the average value of the temperature change rates of all the sampling bodies, and obtaining a variable coefficient along with the temperature change; and when the temperature of the lunar soil is balanced, judging the microwave heating uniformity of the lunar soil according to the variable coefficient. In the process of analyzing the lunar soil microwave heating effect, starting from the first principle, the characteristic that the specific heat capacity of the lunar soil changes along with the temperature is considered, the physical reality that the lunar soil absorption energy changes along with the temperature in the process of converting the lunar soil absorption energy into the temperature is fitted, and the accuracy of lunar soil microwave heating effect analysis is improved.

The utility model relates to the technical field of oil extraction, in particular to a novel oil guide heating annular blowout preventer, which comprises an upper flange, a top cover, a spherical rubber core, a joint ring, a piston and a casing, a heating interface is arranged on the casing, the upper flange, the top cover, the spherical rubber core, the joint ring, the piston and the casing are sequentially arranged from top to bottom, the spherical rubber core is arranged in the top cover, and the joint ring is arranged in the casing. The spherical rubber core is extruded in the top cover through the piston, the upper flange is fixed on the top cover through a hexagon bolt, the top cover is fixed on the shell through a double-end bolt and a cap-shaped nut, a huge force shackle is arranged on the top cover, and a joint ring is arranged between the piston and the top cover. The heating connector is arranged on the shell and communicated with the annular groove, the inner sealing ring, the outer sealing ring, the inner abrasion-resistant ring and the outer abrasion-resistant ring are arranged on the piston, the abrasion-resistant ring and the sealing ring are arranged on the joint ring, the heating effect is further guaranteed, and it is guaranteed that hydraulic oil in the blowout preventer is in a working state.

This utility model relates to the technical field of water temperature automatic control devices, specifically a rapid-acting water temperature automatic control device for the breeding of giant freshwater prawns. It includes a shell and a temperature control mechanism housed inside the shell. The temperature control mechanism includes heating plates installed on the inner walls of both sides of the bottom of the shell. A bottom pipe is fixedly connected to the inner wall of the bottom of the shell, and a top pipe is fixedly connected to the inner wall of the top of the shell. A waterproof shell is provided on the inner wall of the top of the bottom pipe. A dual-head motor is installed on the inner wall of the waterproof shell. A rotating rod is fixedly connected to the outer wall of the top of the dual-head motor, and a rotating rod is fixedly connected to the outer wall of the bottom of the dual-head motor. An output pipe is fixedly connected to the inner wall of the bottom of the bottom pipe. This utility model's spiral structure, combined with the pipes, can stably deliver water into the shell for heating. Furthermore, the height difference between the through-hole and the output pipe increases the water flow path, further enhancing the heating effect and improving the efficiency of the rapid-acting water temperature automatic control device.

The utility model relates to the technical field of air conditioners, and provides an air conditioner indoor unit and an air conditioner, the air conditioner indoor unit comprises a machine shell and an air inlet assembly, and an indoor air inlet is formed in the front portion of the machine shell; the air inlet assembly comprises a grid driving part and an air inlet grid, and the grid driving part is arranged on the machine shell. The air inlet grille is arranged at the indoor air inlet and connected to the grille driving component, and the grille driving component is used for driving the air inlet grille to open or close the indoor air inlet. According to the air conditioner indoor unit, the indoor air inlet is formed in the front portion of the machine shell, a front air inlet mode is adopted, and therefore when the air conditioner indoor unit is installed in a top-attached mode, the indoor air inlet cannot be blocked, smooth air inlet is guaranteed, and then it is guaranteed that the refrigerating and heating effects of an air conditioner are not affected; besides, the air inlet grille capable of being closed is arranged at the indoor air inlet, so that the air inlet grille is driven by the grille driving component to close the indoor air inlet in the shutdown state, the overall attractiveness of the air conditioner indoor unit when the air conditioner indoor unit is not used is improved, and dust falling of the air conditioner can be reduced.

The utility model discloses an electro-thermal conversion direct heating device for tobacco products. The heating device comprises a heater assembly, a neck part and a positioning seat, and one end of the tobacco product is inserted from an opening of the neck part, penetrates through a through hole formed by the heating assembly, extends into the positioning seat and abuts against a step in the positioning seat to form a ventilation bin; the other end of the tobacco product extends out of the opening to serve as a suction nozzle, and the tobacco product is clamped through the neck part and directly heated through the electric heating conversion element. The cut tobacco section is directly heated in a surrounding mode through the hollow channel of the electric heating conversion element, and the hollow cavity and the heat preservation cotton can form an air heat insulation bin, so that the electric heating conversion element is small in heat loss, high in temperature rising speed and high in heating efficiency, the cut tobacco section is accurately heated, and the heating area is large and uniform; the heating effect can be quickly achieved without too high heating temperature, so that the surfaces of the tobacco products cannot be burnt, the structure is flexibly changed and can adapt to different tobacco products, and the problem of mouth burning is effectively solved.

The utility model discloses a temperature control electric heating sheet with paster lamp beads, and relates to the technical field of electric heating sheets, the electric heating sheet comprises a plurality of LED chips, a flexible base material layer, metal circuits and an insulating film, the metal circuits are arranged on the front side and the back side of the flexible base material layer, the metal circuits on the front side of the flexible base material layer form paster areas, and the paster areas are arranged on the back side of the flexible base material layer. The plurality of LED chips are mounted on the surface of the patch area and are mutually connected and conducted through a metal circuit, the metal circuit on the back surface of the flexible substrate layer forms a heating area, a connecting part is reserved in the heating area, a wire led out of the electric heating sheet is welded on the connecting part, the connecting part is respectively connected with the patch area and the heating area, and insulating films are arranged outside the patch area and the heating area. The front surface of the electric heating sheet can be subjected to LED surface mounting operation, so that the electric heating sheet can meet the heating and temperature rise requirements and can provide the heating effect of red light and blue light through the light emission of the LED, and thus a product equipped with the electric heating sheet has the heating and far infrared functions.

The utility model relates to the technical field of air valve steel, and discloses a martensite air valve steel coil annealing ladle shape improving device which comprises an annealing furnace and a furnace cover arranged at the top of the annealing furnace, the martensite air valve steel coil annealing ladle shape improving device is provided with a supporting assembly, so that coiled coils can be conveniently and orderly placed, uneven heating and cooling caused by stacking are avoided, and the production efficiency is improved. Layered placement of a plurality of wire rods is facilitated through the first supporting disc, the connecting column, the second supporting disc, the fixing column, the supporting sleeve and the like, gaps are reserved between the wire rods, heat transfer is promoted, the first supporting disc and the second supporting disc drive the wire rods to rotate in the annealing furnace, the uniform heating effect is improved, and production efficiency is improved. By arranging the cooling assembly, cold air can be conveniently conveyed into the annealing furnace, cooling liquid circularly flows in the circulating pipe for refrigeration, cold air conveying is achieved through the first draught fan, the air supply pipe, the connecting pipe and the like, and under the rotation effect, uniform cooling is promoted, and the situation that the annealing ladle shape of a wire rod is poor is improved.

The application discloses an air conditioner indoor unit and an air conditioner with the same. The air conditioner indoor unit comprises an indoor unit body, a fresh air pipe, an air guide pipe, a fresh air heater and an auxiliary heater. The indoor unit body is provided with an air inlet. An exhaust end of the fresh air pipe is communicated with the air inlet. The fresh air pipe is suitable for guiding outdoor fresh air to the air inlet. An air inlet end of the air guide pipe is communicated with the indoor unit body. An exhaust end of the air guide pipe is communicated with the air inlet. The air guide pipe is suitable for guiding indoor air to the air inlet. The fresh air heater is arranged at the air inlet to heat the airflow flowing into the air inlet. The auxiliary heater selectively heats the indoor air flowing to the air inlet in the air guide pipe. The indoor air is heated and guided to the air inlet through the air guide pipe and the auxiliary heater. The indoor air is mixed with the fresh air flowing to the air inlet from the fresh air pipe. The temperature of the fresh air is preliminarily increased. The airflow is heated twice through the fresh air heater. The heating effect on the fresh air is good. The temperature of the fresh air is greatly increased. The user's comfort is good.

The invention relates to the technical field of water treatment devices, and discloses a control method of a water treatment device, the water treatment device and a medium. The method comprises the steps that a controller detects the temperature of a heat exchanger through a first temperature sensor, and when the temperature is lower than a heat preservation threshold value, a driving pump and a heating device are started; hot water flows in the heat preservation circulation loop until the heat exchanger reaches the set temperature. Through double-pump division of labor, a heat preservation circulation task is undertaken by the driving pump, the running time of the circulating pump is greatly shortened, the service life of the circulating pump is remarkably prolonged, meanwhile, the instant heating effect is guaranteed, and the system reliability is improved.

The utility model discloses a furnace end structure and a burner, the furnace end structure comprises: a main body, in which a fuel gas accommodating cavity is arranged; the partition assembly is arranged on the main body and located in the fuel gas containing cavity, the partition assembly is used for dividing the fuel gas containing cavity into a plurality of cavities which are sequentially nested, the adjacent cavities are communicated, and the multiple cavities are suitable for being communicated with a plurality of fire covers; and the injection pipe is arranged on the main body, and the injection pipe is respectively communicated with the plurality of cavities. According to the furnace end structure provided by the utility model, the plurality of cavities are communicated with one another, and a user only needs to adjust the amount of fuel gas entering the injection pipe, so that the amount of the fuel gas in the plurality of cavities can be synchronously adjusted, the synchronous adjustment of multi-ring flame is realized, and the heating effect of a burner is effectively improved.

The invention belongs to the field of energy conservation and consumption reduction of a gas boiler heat supply gas turbine power plant. The current gas-fired boiler adopts thermal deoxidization to control water supply and oxygen dissolution, water is supplied to a deaerator from an outlet of a secondary energy saver, the smoke exhaust temperature is about 60 DEG C, and waste heat is not fully utilized. Therefore, a novel pipeline system is constructed, a traditional heat exchange process is subverted, and exhaust smoke waste heat is utilized to the maximum extent through multiple heat exchange. The system comprises two sets of schemes adaptive to different operation states, and the schemes can be flexibly switched. When the gas-fired boiler runs, water supplied from an outlet of the secondary energy saver is led to the double-tube heat exchanger of the pressure regulating station, and returns to the primary energy saver after heat exchange to replace a water bath furnace to heat natural gas, so that the heating effect is guaranteed, gas is saved, and the water temperature of an inlet of the primary energy saver is reduced. When the gas turbine runs, one path of feed water is led to the double-tube heat exchanger from the low-pressure feed water secondary heater, and the feed water returns to the condenser after heat exchange, so that the gas consumption of the water bath furnace in low-temperature climate is saved, and more smoke exhaust waste heat is utilized in other climate. The two modes both can reduce the exhaust gas temperature, and are efficient in utilization, energy-saving, emission-reducing, green and environment-friendly.

The utility model provides a spring heat treatment device which comprises a spring body and further comprises a shell, a heating cover is arranged in the shell, and a heating cavity is formed in the heating cover. The upper cover is arranged on the shell body; the suspension bracket is connected to the heating cover in a clamped mode, the suspension bracket comprises an outer frame and hanging rods arranged in the outer frame in a linear array mode, the spring bodies are arranged on the hanging rods, and the hanging rods are located in the heating cavity; and a control unit. According to the spring heat treatment device provided by the utility model, the spring bodies are hung on the hanging rod one by one, the spring bodies are stably hung in the heating cavity through the support of the frame so as to avoid the phenomenon of spring superposition, and meanwhile, in the heating process, the control unit controls the hanging rod to rotate in the heating cavity so as to adjust the angle; the heating effect on the spring body is improved, and the phenomenon of local temperature difference is avoided.

The utility model discloses an oven body and belongs to the field of ovens. The drying oven body comprises an upper shell, a second baffle and a first baffle are arranged on the two sides of the outer portion of the upper shell respectively, and three supports are transversely and evenly distributed at the middle positions, facing the upper shell, of the second baffle and the first baffle. The drying oven solves the problem that in the using process of an existing drying oven body, the honeycomb supporting plate which is not used completely affects heat transmission, under the supporting condition of the support, the supporting plate rotates in the support with the second connecting shaft as the circle center, the supporting plate can be unfolded and folded, and therefore the supporting plate can be unfolded and folded. The unfolded supporting plates can completely and stably support objects to be processed, the stored supporting plates cannot affect flowing of heat emitted by the heating plate, when the objects are not placed at the upper ends of all the supporting plates, flowing of heat gas can be efficiently carried out at the positions where the supporting plates are not unfolded, and therefore the heating effect is improved. And the temperatures of the two ends of the lower shell and the upper shell are not different.