31results about How to "Reduce heating" patented technology

The invention discloses an intelligent temperature control system and method for hot-pressing compounding equipment, and belongs to the technical field of hot-pressing compounding, and the system establishes a functional relationship between the temperature of an internal adhesive layer of a part and the temperatures of the upper and lower surfaces of the part, the temperature of a mold, the environment temperature and the heating time. According to the takt time needed by production, the temperature and heating time needed by the upper mold and the lower mold are automatically calculated, the temperature of the upper surface and the lower surface of a part is monitored in real time, and when the heating time is up, the temperature of an adhesive layer just reaches a set value, so that product quality defects caused by insufficient heating are avoided, and energy loss caused by excessive heating is avoided. Therefore, on-demand heat supply is achieved, energy waste is reduced, the production period is shortened, and the production efficiency and the quality stability of the hot-pressing composite technology are improved.

The invention discloses a diesel-electric hybrid power system energy management method in a low-temperature environment, and belongs to the field of hybrid power system energy management. The implementation method comprises the following steps: for a battery, introducing part of cooling liquid in a diesel engine cooling system into a battery cooling system, constructing a battery low-temperature preheating loop, preheating the battery through the battery low-temperature preheating loop, and fully utilizing the waste heat of the cooling liquid of the diesel engine. For the diesel engine, when the temperature of the cooling liquid of the diesel engine does not reach the preset suitable working temperature, the intake air of the diesel engine is preheated in the mode that flame preheating and positive temperature coefficient material preheating are combined. By combining the two preheating measures, on the basis of an equivalent fuel consumption minimum strategy, a self-adaptive equivalent fuel consumption minimum strategy is constructed, and the battery charge state, the power unit temperature and the diesel engine air inlet preheating power are comprehensively considered to conduct self-adaptive adjustment on equivalent factors; and related parameters of the adaptive equivalent factors are optimized based on an improved genetic algorithm, so that the temperature rise time of the power unit is shortened, and the fuel economy is improved.

The invention provides a photovoltaic photo-thermal coupling distributed energy complementary energy supply system and method, and the system comprises a gas power generation system which comprises a gas turbine generator set. The waste heat boiler system comprises a waste heat boiler; the steam turbine power generation system comprises a steam turbine generator set; the photovoltaic and photo-thermal power generation system comprises a photovoltaic and photo-thermal integrated device; the waste heat exchange system comprises a first heat exchange device and a second heat exchange device; according to the system, energy flow between systems is optimized in a heat energy recovery and multi-energy coupling mode, the energy utilization efficiency is improved, and the operation cost is reduced. According to the invention, waste heat of the back plate of the photovoltaic module is utilized to preheat natural gas at an inlet of the gas turbine and make-up water of the waste heat boiler in advance, so that the problems of a cooling cold source of the back plate of the photovoltaic module and freezing prevention in a low-temperature environment are solved, and the problems of corrosion of a turbine nozzle of the gas turbine and low-temperature corrosion of a boiler mortgage economizer are solved; waste heat generated by the photovoltaic module is deeply coupled with the natural gas heating system and the waste heat boiler feed water waste heat system.

The preparation method comprises the following steps: dissolving PVDF (Polyvinylidene Fluoride) in acetone, adding a small amount of Tween 80, carrying out oil bath at 60 DEG C, and uniformly mixing until the solution is transparent, so as to prepare a polymer solvent system; and standing and defoaming the obtained solution, pouring into a mold, and naturally volatilizing by controlling the humidity to obtain the polymer porous membrane with the porous microsphere net structure. According to the method, phase separation is induced through solvent evaporation, and synchronous construction of micron holes and nanospheres of the PVDF porous membrane is achieved. Compared with a traditional phase separation membrane preparation technology, the method has the advantages that the pore size of the PVDF porous membrane can be greatly expanded, controllable preparation of micron / nano pores of the PVDF porous membrane is realized, and the prepared porous membrane has more excellent reflectivity and cooling performance.

The present invention discloses a fine blanking process method for a compressor intermediate plate blank, which is characterized in that it includes the following processes: material preparation → stamping → turning the outer circle → drilling small holes → double-sided grinding → cleaning → full inspection and packaging; wherein, the fine blanking process includes the use of a special composite mold, and the special composite mold includes an upper mold component and a lower mold component that are relatively arranged up and down; both the upper mold component and the lower mold component adopt a relatively scientific and reasonable structure to realize the synchronous processing of key holes and the shape. Its advantages are: it saves two processes of heating and correction, and the drilling process reduces the processing amount of 7 holes, greatly reduces and simplifies the processing process, reduces production costs, improves efficiency, and improves product quality; the key holes are processed synchronously with the shape, and no secondary positioning is required, there is no accumulated error, the shape and position dimensions are more stable, and the product yield is greatly improved; the consumption of materials and energy is greatly reduced, energy saving and environmental protection; it also solves the problem that the φ7 and φ9 holes have small margins and are difficult to form.

The utility model relates to the technical field of bent pipe machining equipment, in particular to a pipe bending device convenient to operate, which comprises a worktable, a first push plate is mounted on one side of the top of the worktable, a second push plate is mounted on the other side of the top of the worktable, and a second positioning plate is arranged between the first push plate and the second push plate. The ends, close to the second positioning plate, of the first push plate and the second push plate are rotationally connected to the workbench through third positioning pins, and the first push plate, the second push plate and the second positioning plate are located on the same straight line. According to the pipe bending device convenient to operate, a steel pipe can be clamped through the first positioning plate and the second positioning plate which are arranged in the pipe bending device, the steel pipe is bent in a two-end hydraulic clamping mode, only one person is needed for operation, the labor intensity of workers is relieved, oxygen and acetylene heating procedures are omitted, and the production benefit is more than two times that of the original pipe bending device; the steel pipe can be bent by 90 degrees through the hydraulic cylinders, and the two ends of the steel pipe can be synchronously bent at the same time through the symmetrically-arranged hydraulic cylinders.

The invention discloses a submarine cable lead sheath and a lead sheath repairing method, the lead sheath is a cylindrical lead sheath formed by splicing at least two lead plates with arc-shaped longitudinal sections, the two sides of each lead plate are respectively provided with a plurality of clamping jaws extending outwards, the front side of the extending end part of each clamping jaw is provided with a bulge, the rear side of the extending end part of each clamping jaw is provided with a groove, and when the two adjacent lead plates are spliced, the bulges are clamped in the grooves. And the clamping jaw bulge of one lead plate is inserted into the groove of the clamping jaw of the other lead plate. The lead sleeve adopts a splicing structure, and the lead sleeve is directly spliced outside the submarine cable to be repaired, so that the inner diameter of the lead sleeve is close to the outer diameter of the buffer waterproof layer, and the workload of drawing, detaching and repairing an original protective layer is reduced; the clamping jaws of the lead sleeve can be automatically fixed after being spliced and are provided with welding rods, so that the fixing procedure is reduced.

The utility model discloses a concentration tower for producing dimethylacetamide, which comprises a concentration tower main body, and one end of the concentration tower main body is provided with an auxiliary structure for preheating raw materials during the production of dimethylacetamide; the auxiliary structure comprises a raw material tower arranged at one end of the concentrating tower main body, a feeding pipe is arranged at the upper end of the raw material tower, a preheating box is arranged in the raw material tower, and a heating disc is mounted at the lower end of the preheating box. When the auxiliary mechanism is used, raw material dimethylacetamide is firstly added into the raw material tower, the raw material is preheated through the built-in preheating box, and the preheated raw material is collected through circulation and waits to enter the concentrating tower subsequently for heating production. The production efficiency of raw materials entering the concentrating tower can be improved, the heating process of the raw materials is greatly shortened, and the practicability is higher.

The utility model provides a kind of valve group and compressor of miniaturization reciprocating compressor, it is related to compressor field, to the problem that the temperature of existing small compressor cylinder head is too high, gas flow resistance increases and leads to efficiency reduction, by the offset structure of valve plate on the valve plate subassembly suction hole, enlarge suction valve port flow area, reduce suction resistance, reduce the pressure loss and friction heat in suction process, to reduce suction overheating, from the source to relieve cylinder head overheating problem, allow to adopt smaller size cylinder hole, meet the demand of compressor miniaturization, the valve tongue both sides of suction valve piece are provided with contraction part to form waist, exhaust hole is arranged between two sides waist, adapt to the compact space of miniaturization valve group, suction muffler outlet and cylinder cover keep apart, leave gap, cut off the heat conduction path between cylinder cover and suction muffler, form heat insulation, reduce suction overheating, reduce cylinder head temperature benign cycle, improve miniaturization reciprocating compressor efficiency.

The invention relates to a processing method of fibroin-based fabric with personal heat and humidity management capability, and belongs to the technical field of functional textile processing. The fibroin-based fabric with the personal heat and humidity management capability sequentially comprises a fabric layer A, a fabric layer B and a heptadecafluorodecyl trimethoxysilane coating from outside to inside, the fabric layer A is silk fibroin fibers containing nano aluminum oxide and polyethylene oxide, and the fabric layer B is silk fibroin fibers containing nano boron nitride. According to the heating and moisture management fibroin-based fabric, the sunlight reflectivity of the fabric is enhanced by adopting nano aluminum oxide, the heat conductivity coefficients of the fabric in the vertical direction and the parallel direction are improved by adopting nano boron nitride, an excellent directional perspiration effect is realized by utilizing the fiber diameter, pore distribution and wettability gradient difference of each layer, and the fabric has excellent biodegradability and is suitable for being used in the field of fabric processing. The cooling in an outdoor high-temperature environment is realized while the wearing comfort is realized.

The invention discloses a composite thermochromic film as well as preparation and application thereof. The composite thermochromic film is prepared from tungsten-doped vanadium dioxide, polyvinyl alcohol and paraffin. The film can be tightly adhered to an adhesion surface, and has a function of adjusting the transmissivity of visible light and near-infrared light.

The utility model discloses a multifunctional battery charging device suitable for a low-temperature environment. The multifunctional battery charging device comprises a box body, a heating assembly located in the box body and a battery charging seat for batteries of various models. The pair of heating assemblies are symmetrically arranged in the box body; the battery charging seats of various types of batteries are placed along the inner wall of the box body in a wall-attached mode, so that a containing space is reserved in the middle of the box body. In a low-temperature environment, the reaction speed is slowed down due to the reduction of the activity of the lithium battery, so that the charging efficiency of the lithium battery is low, and the multifunctional battery charging device can improve the environment temperature during battery charging to ensure normal charging of the battery and is convenient to carry.

This invention discloses a distillation apparatus for removing residual solvent from artemisia annua oil, comprising: an outer frame unit, the outer frame unit including a support frame and a rotation drive source installed on the side of the support frame; and a distillation processing unit, the distillation processing unit being rotatably disposed inside the support frame. The apparatus raises the receiving cavity formed by two closing plates, pressing a filter block into the receiving cavity. The artemisia annua solvent mixture flows through the filter holes inside the filter block to the surface of the heating ring plate, leaving the artemisia annua powder inside the receiving cavity. The artemisia annua solvent mixture then descends along the surface of the heating ring plate under its own gravity, and with the rotation of the cylinder, the mixture spirals down the surface of the heating ring plate, forming a moving film on its surface. This allows the mixture to be rotated and spread out, and fully heated by the second heating cavity at the bottom of the heating ring plate, thereby evaporating and discharging the solvent in the mixture whose boiling point is lower than that of artemisia annua oil.

The utility model discloses a kind of hollow heating cigarettes of realization guiding, including tobacco section, hollow guide piece, wherein, hollow pipe is arranged in the tobacco section of smoke carrier, form hollow tobacco section, hollow guide piece is set in the front end (remote mouth end) of the tobacco section;The hollow cross-sectional area of the hollow pipe of the tobacco section is less than the hollow cross-sectional area of hollow guide piece;The utility model increases hollow guide piece in the front end of hollow heating cigarette, and the hollow cross-sectional area of the hollow pipe of the tobacco section is less than the hollow cross-sectional area of hollow guide piece, so that when smoking heating cigarette, the heat source of smoking set is smoothly introduced into embedded hollow pipe, thereby solve the problem that the heating body of smoking set is difficult to insert hollow heating cigarette hollow pipe, increase the experience of suction heating cigarette.

This invention provides an apparatus for preparing isocyanates, comprising: a heater; a reaction vessel disposed within the heater, the reaction vessel including at least a first opening, a second opening, and a third opening, each opening connecting the inside and outside of the reaction vessel; a gas input pipeline connected to the first opening; a condenser connected to the second opening; a receiving bottle connected to the end of the condenser away from the second opening; a distillation column connected to the third opening; a condenser with its inlet connected to the end of the distillation column away from the third opening and its outlet returning to the distillation column; a vacuum pump including at least a first inlet and a second inlet, the first inlet connected to the condenser and the second inlet connected to the condenser; and a gas output pipeline connected to the outlet of the vacuum pump. The preparation apparatus provided by this invention can solve the problems of low product yield, high purification difficulty, high reaction energy consumption, and high production cost.

The utility model relates to an integral quenching tool for a driving gear, which comprises a connector with a left connecting flange plate and a right connecting flange plate at two ends, an insulating spacer, a profiling sensor with a magnetizer at the tooth root of a gear workpiece, a flange plate fastening bolt, and an insulating spacer fastening bolt for fastening the insulating spacer at the axial center part of the profiling sensor, the two insulating blocks are provided with raised heads and arc sections and are symmetrically connected to the two ends of the profiling sensor through sensor connecting bolts, and the annular water spraying box is provided with connecting grooves which are connected with the raised heads of the insulating blocks in an embedded mode and fastened to the arc sections of the insulating blocks through annular water spraying box connecting bolts. The driving gear is subjected to synchronous induction quenching, different parts are integrally heated at the same time, heating is uniform, heating efficiency is high, tooth roots are heated sufficiently and cooled uniformly, a tooth profile hardened layer is uniform, the tooth roots are quenched thoroughly, quenching quality is good, the service life of the driving gear is long, and production efficiency is high. The device can be widely applied to the driving gear heat treatment process.

The invention relates to an electrode heating energy storage system which comprises an electrode heater outer shell, an electrode heater inner barrel, an electrode, an air distributor, a heat storage device and a circulating fan, the air distributor is provided with a gas inlet and a gas outlet, the electrode heater inner barrel is located in the electrode heater outer shell and filled with non-aqueous liquid, and the electrode heater inner barrel is provided with a gas inlet and a gas outlet. A gas outlet of the air distributor is located in non-aqueous liquid in the electrode heater inner barrel, an opening in the upper portion of the electrode heater inner barrel is communicated with the interior of the electrode heater shell, a gas outlet of the electrode heater outer shell is connected with an inlet of the heat storage device, an outlet of the heat storage device is connected with an inlet of the circulating fan, and an outlet of the circulating fan is connected with an outlet of the air distributor. An outlet of the circulating fan is connected with a gas inlet of the air distributor, and the electrode is located in the electrode heater inner barrel and makes contact with the non-aqueous liquid.

The utility model relates to the technical field of atomization equipment, and provides a heating device and atomization equipment. The heating device comprises a heating body, the heating body is internally provided with a heating cavity penetrating in the first direction, the heating cavity comprises a plurality of heating sections sequentially connected in the first direction, and in the first direction, the maximum size of the heating section of at least one end of the heating body in the second direction is smaller than the maximum size of the adjacent heating section in the second direction; and the heating piece is arranged on the outer side of the heating body, and the heating piece can be electrically connected with the power supply device so as to enable the heating body to heat in a power-on state. According to the technical scheme, the heating cavity of the heating body is divided into the multiple heating sections in the first direction, different areas of the aerosol generating rod can be heated differentially by means of the fact that the distances between the heating sections different in size in the second direction and the corresponding areas on the aerosol generating rod are different, and therefore heat loss is reduced, and the heating efficiency is improved. The atomization speed of the atomization matrix is increased, and the heating atomization efficiency is improved.

The present invention discloses a device and method for pre-oxidizing carbon fiber by concentrating sunlight. The device mainly includes a wire-releasing device, a quartz tube, a catalyst micro-injection pump, a hot air device, a sunlight concentrating device and a wire-collecting device. The wire-releasing device is located at the front end of the system, the quartz tube is installed on the right side of the wire-releasing device, the catalyst micro-injection pump and the hot air device are respectively located on the upper and lower sides of the quartz tube, the right side of the catalyst micro-injection pump and the hot air device and the two sides of the quartz tube are respectively installed with sunlight concentrating devices, and the rightmost end of the quartz tube is installed with a wire-collecting device. In the method of the present invention, concentrated sunlight or a xenon lamp is used to directly heat the carbon fiber, the temperature response is fast, and a large number of heating and heat preservation devices are omitted; a catalyst solution is injected by a micro-injection pump, the concentration and dosage of the catalyst can be quantitatively controlled, the pre-oxidation rate is accelerated, the skin-core structure is reduced, and the temperature of the carbon fiber surface is controllable by adjusting the distance from the Fresnel lens to the carbon fiber surface.

This utility model relates to the field of air conditioning unit technology, and more particularly to an energy-saving constant temperature and humidity air conditioning unit, comprising a channel for maintaining constant temperature and humidity and an air conditioning unit. The channel is sequentially provided with an air inlet section, a primary / medium efficiency filter section, a heating section, a pre-cooling section, a dehumidification section, a humidification section, a cooling section, an air outlet section, and a terminal filter section. The air conditioning unit is equipped with a radiator and two evaporators. The radiator is located within the heating section, and the two evaporators are respectively located within the pre-cooling and cooling sections. This utility model uses an air conditioning unit to install the evaporators of the refrigeration system within the pre-cooling and cooling sections of the air being processed channel. It utilizes the direct evaporation of refrigerant to cool the air. When the air flows over the outer surface of the evaporator, it is cooled while its moisture content decreases. Simultaneously, the radiator heats the air inlet section, reducing the need for steam heating. This unit can solve the problem of excessive humidity during the summer rainy season, improve energy efficiency, and reduce energy consumption.

A heat exchanger for temperature control of a substrate for growing horticultural products. The heat exchanger has a structure comprising a heat exchange surface provided for heating or cooling a substrate. The structure is configured to support a substrate, thereby forming a carrier plate having a carrier surface such that the heat exchange surface forms the carrier surface. The heat exchanger includes or is configured to mate with one or more mounts that are configured to suspend the heat exchanger to the bracket. The structure of the heat exchanger is configured to be self-supporting for supporting the substrate at least between the one or more mounts such that a bottom surface of the structure opposite the heat exchange surface faces the ambient environment.

The utility model relates to the technical field of kitchen appliances, and discloses a gas stove which comprises a fire cover assembly and a pot support, and the fire cover assembly comprises a fire cover seat, an inner ring fire cover and an outer ring fire cover; the outer ring fire cover is provided with a fire groove penetrating through at least part of the outer ring wall of the outer ring fire cover, and the fire groove divides the outer ring fire cover into an upper fire cover part and a lower fire cover part. A plurality of upper connecting parts are arranged on the inner side of the fire groove, the upper fire cover part and the lower fire cover part are connected through the upper connecting parts, and the fire groove is divided into a plurality of sections of fire outlet areas and fire avoiding areas. A lower connecting part corresponding to the upper connecting part is arranged on the fire cover seat; the upper connecting part is fixedly connected with the lower connecting part; the pot supporting frame comprises a bottom ring and a plurality of supporting lugs arranged on the bottom ring, and the supporting lugs are opposite to the fire avoiding area. According to the gas stove, the outer ring fire cover is of an integrated structure, the fire groove is machined in a turning mode, and the structure is simple; meanwhile, the upper connecting part for connecting the upper part and the lower part of the outer ring fire cover not only plays a connecting role, but also can form a fire avoiding space, so that the heating of flames to the pot support is reduced, and the heat efficiency is improved.

The present application is a device for heating water installed in a water storage space in a dish-washing machine and a washing machine, the device comprising: a heating plate having a predetermined thickness and forming a heating surface on the outer surface; a heating electrode layer formed on an inner surface of a side opposite to the heating surface of the heating plate while providing a pair of first electrode pads on one side; the shell is used for fixing the heating plate at a lower opening, so that the heating surface is exposed; the bracket is connected while sealing the side opening of the shell; a pair of first lead electrodes having a first contact terminal at one end and a first lead terminal at the other end, penetrating through the holder and integrally connected to the holder; and a pair of contact guide members connected to the inner surface of the housing and provided with first pressing protrusions that press the first lead electrodes so as to bring the first contact terminals into contact with the first electrode pads.

The utility model relates to the technical field of white spirit distillation production, in particular to circulating water temperature control equipment in white spirit production and distillation, which comprises a steaming bucket, a support frame is arranged on the right side of the steaming bucket, a heating box and a cooler are fixedly connected onto the support frame, and the upper end of the cooler and the upper end of the steaming bucket are connected with a steam passing pipe. A rotating cavity of a circular structure is formed in the heating box, a heating piece used for circulating and heating water temperature control is arranged in the rotating cavity, a connecting pipe is fixedly connected to the side end of the heating piece, a telescopic pipe is inserted into the top end of the connecting pipe, a side plate is fixedly connected to the side end of the telescopic pipe, and the side plate is used for controlling the telescopic pipe to move up and down. The side end of the heating piece is hinged with a control panel for positioning and extruding, the side end of the control panel is fixedly connected with a magnetic attraction block, and the side end of the heating piece is fixedly connected with an electromagnet. The water recycling device can recycle water in the white spirit production process, is more energy-saving and environment-friendly, can ensure the amount of water vapor, and avoids interference to the distillation process.

The utility model relates to a novel heating element with vent holes for a hookah, and mainly discloses a heating element which is simple, convenient and easy to use. The heating device comprises a heating plate, a bent and non-crossed heating resistor circuit is printed on the heating plate, the bottom of the heating plate is fixedly connected with an object placing plate, the object placing plate is provided with ventilation holes, and the bottom of the object placing plate is fixedly provided with a connecting pipe matched with the ventilation holes. According to the utility model, uniform heating is ensured through the heating resistor circuit, the placement plate is additionally arranged at the bottom of the heating plate, the possibility of placing a product for heating can be realized, and the ventilation holes are formed in the placement plate, so that smooth air circulation is ensured, and the universality of the heating element is greatly improved. The utility model is applicable to the technical field of hookah electric heating.

The present invention discloses an ultra-low vibration top loading and unloading thermostat device, comprising a refrigerator (1), a vacuum chamber, a cryogenic valve (13), and a sample chamber (17) equipped with a sample rod (29). The refrigerator (1) is installed on a refrigerator support (49), and the refrigerator support (49) is supported on an outer frame (51) through a support vibration damper (50). The refrigerator cavity body inserted into the vacuum chamber is connected to the refrigerator (1) by a refrigerator vibration damping bellows (2), and the heat exchanger of the refrigerator (1) and the heat exchanger of the corresponding refrigerator cavity body adopt an annular plug-in structure; the upper end of the sample rod (29) is fixed on an air-floating optical platform (59) through a sample rod flange (30), and the sample rod flange (30) is connected to the sample chamber (17) through a sample chamber vibration damping bellows (34). The multiple composite vibration damping technology of the present invention can meet the ultra-low vibration requirements of 50 to 100 nm for samples.

The application discloses a gradient coil of a nuclear magnetic resonance imaging system, which comprises an RF shielding layer, a primary winding layer surrounding the outside of the RF shielding layer, three target-axis primary windings, i.e., an X target-axis primary winding, a Y target-axis primary winding and a Z target-axis primary winding, each target-axis primary winding having multiple layers of primary coils, and the multiple layers of primary coils in the same target-axis primary winding being arranged in a radial direction of the gradient coil, a shielding winding layer surrounding the outside of the primary winding layer, three target-axis shielding windings, i.e., an X target-axis shielding winding, a Y target-axis shielding winding and a Z target-axis shielding winding, and a passive shimming layer arranged between the primary winding layer and the shielding winding layer. The application can simultaneously meet the requirements of miniaturization, light weight and small impedance value of a high-performance gradient coil.

The utility model relates to the technical field of automobile hub spraying processing, and discloses an automobile hub spraying structure which comprises a base, a rotating mechanism is arranged in the base, a supporting cylinder is installed at the top end of the rotating mechanism, the top end of the supporting cylinder extends to the outside of the rotating mechanism, and a positioning block is installed at the top end of the supporting cylinder. According to the automobile hub heating device, under the action of the supporting cylinder and the positioning block, an automobile hub is limited, the automobile hub is guaranteed to be under the U-shaped pipe, and under the action of the guide rod, the first spring, the supporting rod and the like, after the automobile hub is placed downwards, the outer wall of the heating plate can be automatically attached to the inner wall of the automobile hub, and the heating efficiency is improved. Therefore, the heating effect of the heating guide wire is conveniently utilized, heating curing can be conveniently conducted on the automobile hub in the spraying process, heating of the spray head is reduced through the drying mode, and therefore solidification and blockage of the spray head can be reduced.

The utility model discloses a multistage dispersed processing formula sludge low carbon drying device belongs to sludge treatment technical field. A multistage dispersed processing formula sludge low carbon drying device, including drying case and return air box, the drying case is mutual through with return air box, the top of return air box is provided with scattering hopper, wherein, the blanking tube of scattering hopper bottom extends to the inside of return air box, and the inside of scattering hopper is provided with split blade. To solve the existing sludge treatment after high pressure dewatering sludge under the influence of pressure can be agglomerated, this can lead to the subsequent drying process moisture not easy completely evaporates, and the sludge conveying of agglomeration is very inconvenient problem, multistage dispersion mechanism ring after ring, layer by layer progression, ensure that the sludge mass of different size, hardness is effectively broken into small granules, loose granule state greatly increased the specific surface area of sludge, makes moisture more easily migrates to the surface and evaporates.