CN114212449B

CN114212449B - Automatic feeding conveying device with primary drying function for drying machine

Info

Publication number: CN114212449B
Application number: CN202210165039.3A
Authority: CN
Inventors: 朱万才
Original assignee: Jiangsu Deerrui Environmental Protection Machinery Co ltd
Current assignee: Jiangsu Deerrui Environmental Protection Machinery Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-01
Anticipated expiration: 2042-02-23
Also published as: CN114212449A

Abstract

The invention discloses a conveying device with an automatic feeding function of a dryer with a primary drying function, which comprises a power device, a bearing device, a flow guide device and an adjusting device, wherein the power device is in transmission connection with the bearing device, the flow guide device is communicated with the bearing device, the power device is in fastening connection with the flow guide device, the adjusting device is connected with the bearing device, the flow guide device is connected with the adjusting device, the power device comprises a driving motor, driving wheels and a conveying belt, two driving wheels are arranged on the inner ring of the conveying belt and are in transmission connection with the conveying belt, supports are respectively arranged on two sides of the two driving wheels, the driving wheels are in rotational connection with the supports, the moving direction of the upper side of the conveying belt is a feeding direction, the driving motor is positioned on one side of the supports at the front end in the feeding direction, the output end of the driving motor is in transmission connection with the driving wheels at the front end in the feeding direction, and the drying force of raw materials is adjusted through the adjusting device, the humidity of the raw materials is at a smaller threshold value, and the drying quality is ensured.

Description

Automatic feeding conveying device with primary drying function for drying machine

Technical Field

The invention relates to the technical field of conveying devices of dryers, in particular to an automatic feeding conveying device of a dryer with a primary drying function.

Background

The desiccator is used for carrying out dehydration to the raw materials, divide into multiple dehydration form, and it is still main means to carry out the drying through the stoving, and the stoving is favorable to the enterprise to control the cost.

However, the raw materials that need to be dried at present are sticky, and when the raw materials are loaded by the conveying device, the raw materials are easy to adhere to the surface layer of the conveying device, so that the loading and unloading efficiency is affected, and the loading stability is further affected along with the increase of surface scale. Most conveyor can only carry the raw materials, and in order to improve production efficiency, reduce cost in business, the desiccator adopts the material loading of not shutting down more, consequently, during new raw materials gets into high temperature environment, because the instantaneous temperature difference is great, makes moisture evaporation in the twinkling of an eye, and atmospheric pressure increases, makes the raw materials tear easily, influences drying quality.

In addition, the initial water content of most raw materials is different, and consequently the drying time that needs is different, and the raw materials that the water content is too much are dried in rated drying time, cause easily that the stoving is insufficient, and the raw materials that the water content is too little is dried in rated drying time, leads to easily drying excessively, influences drying quality equally to influence desiccator drying efficiency.

Disclosure of Invention

The invention aims to provide an automatic feeding conveying device with a primary drying function for a dryer, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the automatic feeding conveying device of the dryer with the preliminary drying function comprises a power device, a bearing device, a flow guide device and an adjusting device, wherein the power device is in transmission connection with the bearing device, the flow guide device is communicated with the bearing device, the power device is in fastening connection with the flow guide device, the adjusting device is connected with the bearing device, the flow guide device is connected with the adjusting device, the power device comprises a driving motor, a driving wheel and a conveying belt, two driving wheels are arranged on the inner ring of the conveying belt and are in transmission connection with the conveying belt, supports are arranged on two sides of the two driving wheels respectively, the driving wheel is in rotation connection with the supports, the moving direction of the upper side of the conveying belt is the feeding direction, the driving motor is positioned on one side of the supports at the front end of the feeding direction, and the output end of the driving motor is in transmission connection with the driving wheel at the front end of the feeding direction.

The power device is a main power source and supplies energy to other devices, the bearing device loads raw materials to be dried, the raw materials to be dried are primarily dried through the flow guide device, the temperature of the raw materials to be dried is improved through heating and drying, the temperature difference of the raw materials to be dried before and after entering the dryer is reduced, instantaneous temperature increase is prevented, the evaporation, expansion and tearing of water in the raw materials to be dried are prevented, the primary drying is carried out through the conveying process, the drying efficiency of the dryer is improved, the drying force of the raw materials is adjusted through the adjusting device, the humidity of the raw materials is in a smaller threshold value, the drying quality is ensured, the driving wheel is supported through the support, the driving motor outputs torque, the driving wheel is driven to rotate, the conveying belt is driven to transmit, the bearing device is arranged on the conveying belt, the driving motor is arranged in front, the upper conveying belt ensures the tensile force, and the conveying belt and the driving wheel can be belt-driven or chain-driven, chain transmission is adopted in occasions requiring high-precision control.

Further, the outer side of the conveying belt is provided with a plurality of bearing devices, each bearing device comprises an objective table, a centrifugal motor and a rotary table, the objective table is in transmission connection with the conveying belt, a rotary groove is formed in the objective table, the centrifugal motor is arranged at the bottom end of the rotary groove, the output end of the centrifugal motor is in transmission connection with the rotary table, the outer ring of the rotary table is in rotation connection with the rotary groove, each flow guide device comprises a blower, the blower is in fastening connection with a support, the output end of the blower is provided with a heating seat, the blower is communicated with the heating seat through a pipeline, a heating cavity is formed in the heating seat, heating wires are arranged in the heating cavity, the heating wires are spirally arranged, the two sides of the heating cavity are respectively provided with an air inlet and an air outlet, the air inlet is communicated with the output end of the blower, one side of the heating seat is provided with a distribution pipe, the outer wall of the distribution pipe is in fastening connection with the support, the distribution pipe is in sliding connection with the objective table, the distribution pipe is close to one-way of the one side of the objective table, be equipped with the heat transfer groove on the objective table, heat transfer groove and distributing pipe intercommunication, the carousel is equipped with a plurality of heat exchanger fins along circumference, and the heat exchanger fin is kept away from carousel one end and is arranged in the heat transfer inslot.

The device is characterized in that a plurality of object stages are arranged along the circumferential direction of the conveying belt, the object stages support the rotary table through the rotary groove, the raw materials are borne through the rotary table, the centrifugal motor is a driving power source of the rotary table, the rotary table is driven to rotate through the centrifugal motor, when the raw materials are loaded on the rotary table, the water content of the raw materials is high, the viscosity is high, the instantaneous centrifugal force required by the raw materials entering a motion state from a static state is large, the viscosity is low when the water content of the raw materials is low, the instantaneous centrifugal force required by the raw materials entering the motion state is small, the water content of the raw materials is detected through centrifugation, so that the primary drying quality is detected, the object stages are arranged outside the conveying belt one by one, the adjacent object stages are contacted, the rotary groove and the rotary table are in sealing contact, the air feeder is installed through a support, the air feeder is used for pressurizing, the pressurized air is sent into the heating seat through the air inlet for heating, fix the heater strip through the heating chamber, the heater strip is the heliciform along vertical direction and goes up along, improves air heating efficiency, makes high-temperature air distribute through the distributing pipe, and the high-temperature air that distributes gets into the heat transfer inslot, carries out the heat transfer through the heat exchanger fin, makes the carousel heat the raw materials to carry out preliminary drying, distributing pipe unilateral opening seals the distributing pipe through the objective table side, prevents gas leakage, improves high-temperature gas utilization ratio.

Furthermore, the heating cavity is arranged in a conical mode, the air inlets and the air outlets are arranged in a staggered mode along the space, the air inlets are located in the lower layer of the heating cavity, the air outlets are located in the upper layer of the heating cavity, the driving motor is provided with a fan cover, and the air inlets of the air blowers are communicated with a fan cover pipeline.

Be the tapering setting through the heating chamber, make heating chamber diameter from the bottom up reduce gradually, air intake and air outlet staggered arrangement, the air intake is located the lower floor, the air outlet is located the upper strata, thereby make the air that the forced draught blower compressed get into the heating intracavity and be the spiral and shift up, improve the heat transfer stroke, make heat exchange efficiency increase, the driving motor tail end is equipped with the fan casing, built-in radiator fan, when the conveyer belt carries out the heavy load and carries, the driving motor acting is big, it is more to produce the heat, radiator fan is outer exhaust formula setting, carry out hot-blast collection through the fan casing, and send into in the air feeder through the pipeline, step up, rethread heater strip heaies up, through secondary heating, the efficiency of rising temperature is improved, it is lower to prevent hot-blast temperature, influence preliminary drying quality.

Further, guiding device still includes the guide plate, guide plate and objective table one side fastening connection, and the guide plate is arranged for bending, and adjusting device includes the closure plate, closure plate one side and objective table fastening connection, and the closure plate slope is arranged, and the closure plate is located heat transfer groove import back end, and the closure plate exports towards the heat transfer groove, and guiding device still includes the nozzle, and nozzle and heat transfer groove export intercommunication are equipped with the guiding gutter on the guide plate, and the nozzle is towards the guiding gutter, and the guiding gutter arc sets up.

The gas after heat exchange through the heat exchange plates is discharged through the nozzle after being switched through the heat exchange groove, a jet layer is formed on the upper surface of the raw material, the jet enters the flow guide groove and is arranged in an arc shape through the flow guide groove, after the raw material is dried through the turntable, the gas in the raw material is continuously evaporated and enters the flow guide groove under the action of air pressure to collect water vapor, the jet gas is disturbed in the flow guide groove, the flow rate of the jet gas is high, the pressure is low, the water vapor is sucked in a coiling manner to drive the water vapor to move, the water vapor is prevented from escaping to cause corrosion, the service life of the whole device is influenced, each objective table is provided with a shutoff plate, the shutoff plate is obliquely arranged to intercept high-temperature gas, the high-temperature gas after heat exchange enters the heat exchange groove to exchange heat, the raw material is dried, the flow guide groove is arranged in an arc shape, the reversing smoothness is improved, a groove is formed, and the water vapor collection efficiency is improved.

Further, conveyor still includes the collecting chamber, collecting chamber and guide plate pipe connection, the guiding gutter end is equipped with the subchannel, be equipped with the reposition of redundant personnel piece in the subchannel, reposition of redundant personnel piece and subchannel sliding connection, be equipped with straight face on the reposition of redundant personnel piece, cambered surface and wake face, straight face and cambered surface handing-over department are towards the subchannel import, the wake face is located straight face and cambered surface tail end, the subchannel slope is arranged, subchannel import department is located the low level, be equipped with the annular on the objective table, be equipped with the wetting groove on the carousel, annular and wetting groove intercommunication, the subchannel includes first export and second export, first export and collecting chamber pipe intercommunication, the second export is located the upper end of diverter piece sliding stroke, the subchannel passes through second export and annular intermittent type intercommunication, be equipped with a plurality of spouts on the carousel, spout and wetting groove intercommunication, the spout is the arc and arranges, the spout is given vent to anger the end and is towards carousel axis.

The liquid collecting chamber is installed through the guide plate, the sub-runner is communicated with the guide groove, wet airflow formed by entrainment of water vapor through jet air enters the sub-runner, the sub-runner is obliquely arranged, the sub-runner is connected with the sub-runner in a sliding manner and is divided through the straight surface and the arc surface, the sub-runner forms double channels on two sides of the sub-runner, the arc surface end of the sub-runner is an arc protruding outwards, the straight surface end is a plane, the tail part of the arc surface and the straight surface is provided with a tail flow surface, when the wet airflow enters one side of the tail flow surface, the tail flow surface generates two vortexes, the wet airflow in the tail vortexes is increased through vortex force generated by the tail vortex, a high-density wet air mass is formed, when the moisture content of raw materials is high, the concentration of the water vapor formed by evaporation in unit time is high, the amount of the water vapor driven by the air jet is large, the arc surface of the sub-runner is a stress surface, and the wet airflow impacts the arc surface, the diversion block is driven to slide along the diversion channel by transduction to plug the second outlet, when the water content in the raw material is lower, the water vapor content moving along with the jet flow air mass is reduced, the whole quality of the wet air flow is reduced, after the transduction through the diversion block, the moving distance of the diversion block is smaller, the diversion channel is obliquely arranged, the position close to the inlet end is low, along with the reduction of the transduction amount, the diversion block moves downwards, so that the second outlet is communicated with the diversion channel, the high-density wet air mass enters the annular groove through the second outlet and is drained into the wetting groove through the annular groove, the air injection is carried out through the nozzles arranged along the circumferential direction, the nozzles are arranged in an arc shape, the air injection is carried out on the central axis on the upper side of the rotary table, the water vapor wetting is carried out on the raw material, the water content of the dried raw material is improved, the water content of the raw material is in a relatively stable threshold value, the overlong drying time of the raw material with lower water content is prevented, cracks are caused, the drying quality is influenced, and in the water supplementing process, the rotary table is driven to rotate by the centrifugal motor, so that a conical water vapor water curtain is formed on the outer layer of the raw material, and the water supplementing uniformity is improved.

Furthermore, adjusting device still includes detection module, and detection module and guide plate are connected, and detection module includes detection power and plate electrode, and detection power frame and guide plate fastening connection are equipped with the plate electrode respectively in guiding gutter upper end both sides, and the terminal of detection power is connected with two plate electrode electricity respectively and is constituted detection circuitry.

Install the detection power through the guide plate, two terminals that detect the power switch on through electric wire and two plate electrodes, and the humid air current flows through the space between two plate electrodes, makes the relative humidity increase, constitutes detection circuitry, and the big electric conductivity of humidity is big more, and detection circuitry current value is big more to carry out humidity to the raw materials and detect, be convenient for compensate.

Furthermore, adjusting device still includes electro-magnet and magnet piece, is equipped with the groove of opening and close on the closure plate, opens and close the groove middle section and is equipped with the discharge orifice, and electro-magnet and magnet piece are arranged in respectively and are opened and close the groove both ends, are equipped with the aperture groove on the magnet piece, and the magnet piece with open and close groove sliding connection, the magnet piece end is equipped with reset spring, reset spring keeps away from magnet piece one side and opens and close groove fastening connection, electro-magnet and detection circuitry establish ties and constitute regulating circuit.

The electromagnet and the detection circuit are connected in series to form an adjusting circuit, when the detection circuit is switched on, magnetism is generated on the electromagnet, the opposite ends of the electromagnet and the magnet block are different magnetic poles, so that the magnet block is adsorbed, hot air generated by the heating seat is discharged through the discharge hole, the opening degree is adjusted through the opening degree groove in the magnet block, the larger the raw material humidity is, the larger the current value of the detection circuit is, the larger the moving distance of the magnet block attracted by the electromagnet is, the pretightening force is provided through the reset spring, under the switching-on state, the opening degree groove and the discharge hole are partially overlapped, according to different water contents of raw materials, the overlapping area between the opening degree groove and the discharge hole is automatically adjusted, the hot air shutoff amount of the shutoff plate is changed, and the primary drying efficiency is improved.

Further, conveyor still includes the guide holder, and the guide holder is located the conveyer belt direction of feed end, is equipped with the spout on the guide holder, is equipped with the friction surface on the carousel, and friction surface roughness reduces from inside to outside gradually, and the spout export direction is towards the guide holder upside, and the spout export is equipped with the switching-over domatic on the guide holder, and the spout import is located between the switching-over domatic and the conveyer belt.

Screening is carried out through the guide seat, after the raw materials are subjected to humidity compensation and primary drying, the humidity difference of the raw materials is in a smaller threshold value, the rotating speed of a centrifugal motor is improved, so that the raw materials are improved to obtain centrifugal force, after the raw materials are subjected to primary drying, the surface viscosity is reduced, the raw materials are in friction contact with the side friction surface on the rotary table, the raw materials with moderate water content have lower surface roughness and small friction with the friction surface, the transmission ratio is smaller, the initial speed obtained through centrifugation is low, after the raw materials enter the sliding groove, the raw materials enter the drying machine along the sliding groove, when the water content is too low, the raw materials have higher surface roughness, the friction transmission ratio is increased, the initial speed obtained through centrifugation is high, the raw materials pass through the sliding groove inlet under the inertia effect, the direct slide way is reversed on the slope surface, the raw materials with different water contents are screened, the raw materials with the reduced water content are prevented from entering the drying machine to cause excessive drying, the drying quality is ensured.

Preferably, the flow guide device further comprises a return pipe, the return pipe is communicated with the tail end of the distribution pipe, and one end, far away from the distribution pipe, of the return pipe is communicated with the air inlet. The distribution pipe tail gas is subjected to air inlet and drainage through the return pipe, so that the tail air temperature is still high, the heating efficiency of the heating wire is improved, and the energy consumption is reduced.

Preferably, the air inlet comprises a rectification channel, a throat part and a gradually-expanding section, the rectification channel is arranged in a gradually-reducing mode, the rectification channel is communicated with the gradually-expanding section through the throat part, a negative pressure port is arranged at the communication position of the throat part and the gradually-expanding section, and the backflow pipe is communicated with the negative pressure port. The flow velocity is increased through the convergent setting of the rectifying passage, the flow velocity is fastest when the throat part is formed, the pressure is minimum, the negative pressure port is formed between the throat part and the divergent section, and negative pressure is generated through entrainment, so that tail gas of the distribution pipe is circulated, and the circulation quality is improved.

Compared with the prior art, the invention has the following beneficial effects: the heating cavity is arranged in a taper manner, so that air compressed by the air feeder enters the heating cavity and moves upwards spirally, the heat exchange stroke is improved, the heat exchange efficiency is increased, the heat energy generated by the work of the driving motor is collected through the fan cover, the heating efficiency is improved, and the primary drying quality is prevented from being influenced by low hot air temperature; gas after heat exchange of the heat exchange plates is sprayed out through the nozzles, a jet flow layer is formed on the upper surface of the raw material, jet flow enters the flow guide groove, and water vapor is collected under the action of air pressure to drive the water vapor to move, so that the water vapor is prevented from escaping, equipment is prevented from being rusted, and the service life of the whole device is influenced; the diversion channel forms double channels on two sides of the diversion block, when wet airflow enters one side of the tail flow surface, the tail flow surface generates two vortexes, the wet airflow in the tail vortexes is increased through vortex force generated by the tail vortexes to form a high-density wet air mass, the second outlet is communicated with the diversion channel, the high-density wet air mass enters the annular groove through the second outlet, air is sprayed through nozzles arranged along the circumferential direction to wet the raw material through water vapor, the water content of the dried raw material is improved, the water content of the raw material is in a relatively stable threshold value, the phenomenon that the raw material with low water content is dried for too long time to cause cracks and influence the drying quality is avoided, the rotary table is driven to rotate through the centrifugal motor, so that a conical water vapor water curtain is formed on the outer layer of the raw material, and the water replenishing uniformity is improved; two terminals of detection power switch on through electric wire and two plate electrodes, and the humid air current flows through the space between two plate electrodes, makes relative humidity increase, constitute detection circuitry, the big electric conductivity of humidity is big more, the detection circuitry current value is big more, thereby carry out humidity detection to the raw materials, the detection circuitry current value is big more, then the steam volume of damming is big more, according to the different moisture content of raw materials, the overlapping area between automatically regulated aperture groove and discharge orifice, thereby change the hot-blast volume of damming, improve preliminary drying efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a schematic view of a hot air circulation diversion structure of the present invention;

FIG. 3 is a schematic view of a conveyor belt drive configuration of the present invention;

FIG. 4 is a schematic view of the centrifugal power transmission structure of the turntable of the present invention;

FIG. 5 is a schematic view of the gas jet direction structure of the present invention;

FIG. 6 is a sectional view taken along line A-A of the view of FIG. 5;

FIG. 7 is an enlarged view of portion B of the view of FIG. 2;

FIG. 8 is a sectional view taken along line H-H of the view of FIG. 5;

in the figure: 1-power device, 11-driving motor, 12-driving wheel, 13-conveying belt, 14-bracket, 2-bearing device, 21-objective table, 211-heat exchange groove, 212-rotary groove, 213-ring groove, 22-centrifugal motor, 23-rotary disc, 231-nozzle, 232-moistening groove, 24-heat exchange sheet, 3-flow guide device, 31-flow guide plate, 311-flow guide groove, 312-branch channel, 32-blower, 33-heating seat, 331-air inlet, 3311-whole channel, 3312-throat, 3313-divergent section, 332-heating cavity, 34-distribution pipe, 35-return pipe, 36-nozzle, 37-flow dividing block, 38-heating wire, 4-regulating device, 41-detection component, 411-detection power supply, 412-electrode plate, 42-closure plate, 421-drain hole, 422-opening and closing groove, 43-electromagnet, 44-magnet block, 441-opening groove, 45-reset spring, 5-liquid collecting chamber, 6-guide seat, 61-slide groove and 62-reversing slope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The invention provides the technical scheme that:

as shown in fig. 1 to 8, the automatic feeding and conveying device with primary drying function for a dryer comprises a power device 1 and a carrying device 2, the power device 1 is in transmission connection with the bearing device 2, the flow guide device 3 is communicated with the bearing device 2, the power device 1 is in fastening connection with the flow guide device 3, the adjusting device 4 is connected with the bearing device 2, the flow guide device 3 is connected with the adjusting device 4, the power device 1 comprises a driving motor 11, driving wheels 12 and a conveying belt 13, two driving wheels 12 are arranged on the inner ring of the conveying belt 13, the driving wheels 12 are in transmission connection with the conveying belt 13, supports 14 are respectively arranged on two sides of the two driving wheels 12, the driving wheels 12 are in rotation connection with the supports 14, the moving direction of the upper side of the conveying belt 13 is the feeding direction, the driving motor 11 is located on one side of the supports 14 at the front end of the feeding direction, and the output end of the driving motor 11 is in transmission connection with the driving wheels 12 at the front end of the feeding direction.

The power device 1 is a main power source and supplies energy to other devices, the bearing device 2 loads raw materials to be dried, the raw materials to be dried are primarily dried through the flow guide device 3, the temperature of the raw materials to be dried is improved through heating and drying, the temperature difference of the raw materials to be dried before and after entering the dryer is reduced, instantaneous temperature increase is prevented, the evaporation, expansion and tearing of moisture in the raw materials to be dried are caused, the primary drying is carried out through the conveying process, the drying efficiency of the dryer is improved, the drying force of the raw materials is adjusted through the adjusting device 4, the humidity of the raw materials is in a smaller threshold value, the drying quality is ensured, the driving wheel 12 is supported through the bracket 14, the driving motor 11 outputs torque, the driving wheel 12 is driven to rotate, the conveying belt 13 is driven to transmit, the bearing device 2 is installed on the conveying belt 13, the driving motor 11 is arranged in front, the tensioning force of the upper conveying belt 13 is ensured, the conveying belt 13 and the driving wheel 12 can be belt transmission or chain transmission, and the chain transmission is adopted in occasions requiring high-precision control.

As shown in fig. 1 to 4 and 7, a plurality of carrying devices 2 are disposed outside the conveying belt 13, each carrying device 2 includes an object stage 21, a centrifugal motor 22 and a rotary table 23, the object stage 21 is in transmission connection with the conveying belt 13, a rotary groove 212 is disposed on the object stage 21, the centrifugal motor 22 is disposed at the bottom end of the rotary groove 212, an output end of the centrifugal motor 22 is in transmission connection with the rotary table 23, an outer ring of the rotary table 23 is in rotation connection with the rotary groove 212, the guiding device 3 includes a blower 32, the blower 32 is in fastening connection with the support 14, an output end of the blower 32 is provided with a heating base 33, the blower 32 is in pipeline communication with the heating base 33, the heating base 33 is provided with a heating cavity 332, a heating wire 38 is disposed in the heating cavity 332, the heating wire 38 is spirally disposed, two sides of the heating cavity 332 are respectively provided with an air inlet 331 and an air outlet, the air inlet 331 is in communication with an output end of the blower 32, one side of the heating base 33 is provided with a distribution pipe 34, the distribution pipe 34 is in communication with the air outlet, distributing pipe 34 outer wall and support 14 fastening connection, distributing pipe 34 and objective table 21 sliding connection, distributing pipe 34 is close to the one-way opening setting in objective table 21 one side, is equipped with heat transfer groove 211 on the objective table 21, and heat transfer groove 211 and distributing pipe 34 intercommunication, carousel 23 are equipped with a plurality of heat exchanger fins 24 along circumference, and heat exchanger fins 24 keep away from carousel 23 one end and place in heat transfer groove 211.

A plurality of object stages 21 are arranged along the circumferential direction of the conveying belt 13, the object stages 21 support the rotary table 23 through the rotary groove 212, the raw material is borne through the rotary table 23, the centrifugal motor 22 is a driving power source of the rotary table 23, the rotary table 23 is driven to rotate through the centrifugal motor 22, when the raw material is loaded on the rotary table 23, the water content of the raw material is high, the viscosity is high, the instantaneous centrifugal force required by the raw material entering a motion state from a static state is large, when the water content of the raw material is low, the viscosity is low, the instantaneous centrifugal force required by the raw material entering the motion state is small, the water content of the raw material is detected through centrifugation, so as to detect the primary drying quality, the object stages 21 are arranged outside the conveying belt 13 one by one, the adjacent object stages 21 are contacted, the rotary groove 212 and the rotary table 23 are in sealing contact, the air feeder 32 is installed through the support 14, and the air blower 32 is used for gas pressurization, air after will pressurizeing is sent into through air intake 331 and is heated in heating seat 33, fix heater strip 38 through heating chamber 332, heater strip 38 is the heliciform along vertical direction and goes up the edge, improve air heating efficiency, make high-temperature air distribute through distributing pipe 34, the high-temperature air that distributes gets into in the heat transfer groove 211, carry out the heat transfer through heat exchanger fin 24, make carousel 23 heat the raw materials, thereby carry out preliminary drying, distributing pipe 34 unilateral opening, it seals distributing pipe 34 through objective table 21 side, prevent gas leakage, improve the high-temperature gas utilization ratio.

As shown in fig. 2 and 7, the heating cavity 332 is conical, the air inlets 331 and the air outlets are staggered along the space, the air inlets 331 are located at the lower layer of the heating cavity 332, the air outlets are located at the upper layer of the heating cavity 332, the driving motor 11 is provided with a fan cover, and the air inlets of the blower 32 are communicated with the fan cover.

Be the tapering setting through heating chamber 332, make heating chamber 332 diameter from the bottom up reduce gradually, air intake 331 and air outlet staggered arrangement, air intake 331 is located the lower floor, the air outlet is located the upper strata, thereby make the air that forced draught blower 32 compressed get into to be the spiral and shift up in heating chamber 332, improve the heat transfer stroke, make heat exchange efficiency increase, 11 tail ends of driving motor are equipped with the fan casing, built-in radiator fan, when carrying out the heavy load transport at conveyer belt 13, driving motor 11 does work greatly, it is more to produce the heat, radiator fan is outer exhaust formula setting, carry out hot-blast collection through the fan casing, and send into in forced draught blower 32 through the pipeline, step up, the rethread heater strip 38 heaies up, through secondary heating, raise the heating efficiency, prevent that hot-blast temperature is lower, influence preliminary oven-dry mass.

As shown in fig. 2 and fig. 3 to fig. 6, the guiding device 3 further includes a guiding plate 31, the guiding plate 31 is fastened to one side of the object stage 21, the guiding plate 31 is bent, the adjusting device 4 includes a cut-off plate 42, one side of the cut-off plate 42 is fastened to the object stage 21, the cut-off plate 42 is inclined, the cut-off plate 42 is located at the rear section of the inlet of the heat exchanging groove 211, the cut-off plate 42 faces the outlet of the heat exchanging groove 211, the guiding device 3 further includes a nozzle 36, the nozzle 36 is communicated with the outlet of the heat exchanging groove 211, a guiding groove 311 is disposed on the guiding plate 31, the nozzle 36 faces the guiding groove 311, and the guiding groove 311 is arc-shaped.

The gas is guided by the guide plate 31, the gas after heat exchange by the heat exchange fins 24 is changed in direction by the heat exchange grooves 211 and is sprayed out by the nozzles 36 to form a jet layer on the upper surface of the raw material, the jet flows into the guide grooves 311 and is arranged in an arc shape by the guide grooves 311, after the raw material is dried by the turntable 23, the gas enters the guide grooves 311 under the action of air pressure along with the continuous evaporation of the gas in the raw material and is collected by collecting water vapor, the jet flow gas disturbs in the guide grooves 311, the flow rate of the jet flow gas is high, the pressure is low, the water vapor is sucked by entrainment and is moved to prevent the water vapor from escaping and causing the corrosion of equipment, the service life of the whole device is influenced, each objective table 21 is provided with a shutoff plate 42 which is obliquely arranged by the shutoff plate 42 to intercept high-temperature gas, so that the high-temperature gas after shutoff enters the heat exchange grooves 211 to exchange heat, thereby drying the raw material, the guiding gutter 311 is arranged through an arc, so that the reversing smoothness is improved, a groove is formed, and the water vapor collection efficiency is improved.

As shown in fig. 2, 5 and 8, the conveying device further comprises a liquid collecting chamber 5, the liquid collecting chamber 5 is connected with the guide plate 31 through a pipeline, the tail end of the guide groove 311 is provided with a branch flow passage 312, a branch flow block 37 is arranged in the branch flow passage 312, the branch flow block 37 is connected with the branch flow passage 312 in a sliding manner, the branch flow block 37 is provided with a straight surface, an arc surface and a tail flow surface, the joint of the straight surface and the arc surface faces the inlet of the branch flow passage 312, the tail flow surface is positioned at the tail end of the straight surface and the arc surface, the branch flow passage 312 is obliquely arranged, the inlet of the branch flow passage 312 is positioned at a low position, the objective table 21 is provided with an annular groove 213, the rotary table 23 is provided with a wetting groove 232, the annular groove 213 is communicated with the wetting groove 232, the branch flow passage 312 comprises a first outlet and a second outlet, the first outlet is communicated with the pipeline of the liquid collecting chamber 5, the second outlet is positioned at the upper end of the sliding stroke of the branch flow passage 37, the branch flow passage 312 is intermittently communicated with the annular groove 213 through the second outlet, the rotary table 23 is provided with a plurality of nozzles 231, the nozzles 231 are communicated with the wetting groove 232, spout 231 is the arc and arranges, and spout 231 gives vent to anger the end and faces carousel 23 axis.

The liquid collecting chamber 5 is installed through the guide plate 31, the sub-runner 312 is communicated with the guide groove 311, wet air flow formed by entrainment of water vapor through jet air enters the sub-runner 312, the sub-runner 312 is obliquely arranged, the sub-runner 37 is in sliding connection with the sub-runner 312 and is divided through a straight surface and an arc surface, the sub-runner 312 forms double channels on two sides of the sub-runner 37, the arc surface end of the sub-runner 37 is an arc shape protruding outwards, the straight surface end is a plane, the tail parts of the arc surface and the straight surface are provided with tail flow surfaces, when the wet air flow enters one side of the tail flow surfaces, the tail flow surfaces generate two vortex flows, the wet air flow in the tail vortex flows is increased through vortex force generated by the tail vortex flows to form high-density wet air mass, when the water content of raw materials is high, the concentration of the water vapor formed by evaporation in unit time is high, more water vapor is driven by the air jet, and the arc surface of the sub-runner 37 is a stress surface, the wet air flow impacts the cambered surface, the diversion block 37 is driven to slide along the diversion channel 312 through transduction, so that the second outlet is blocked, when the water content in the raw material is lower, the water vapor content moving along with the jet flow air mass is reduced, the whole quality of the wet air flow is reduced, after the transduction through the diversion block 37, the movement distance of the diversion block 37 is smaller, the diversion channel 312 is obliquely arranged, the position close to the inlet end is lower, the diversion block moves downwards along with the reduction of the transduction quantity, so that the second outlet is communicated with the diversion channel, the high-density wet air mass enters the annular groove 213 through the second outlet, is drained to enter the wetting groove 232 through the annular groove 213, is sprayed through the nozzles 231 arranged along the circumferential direction, the nozzles 231 are arranged in an arc shape, the air is sprayed to the central axis on the upper side of the turntable 23, the water vapor wetting is carried out on the raw material, the water content of the dried raw material is improved, the water content of the raw material is in a relatively stable threshold value, and the overlong drying time of the raw material with lower water content is prevented, the drying quality is influenced by cracks, and the rotary table 23 is driven to rotate by the centrifugal motor 22 in the water supplementing process, so that a conical water vapor water curtain is formed on the outer layer of the raw material, and the water supplementing uniformity is improved.

As shown in fig. 2, 5 to 6, the adjusting device 4 further includes a detecting component 41, the detecting component 41 is connected to the flow guide plate 31, the detecting component 41 includes a detecting power supply 411 and electrode plates 412, an outer frame of the detecting power supply 411 is fastened to the flow guide plate 31, the electrode plates 412 are respectively disposed on two sides of the upper end of the flow guide slot 311, and the terminals of the detecting power supply 411 are electrically connected to the two electrode plates 412 to form a detecting circuit.

Install detection power 411 through guide plate 31, two terminals that detect the power switch on through electric wire and two electrode boards 412, and the humid air current flows through the space between two electrode boards 412, makes the relative humidity increase, constitutes detection circuitry, and the big electric conductivity of humidity is big more, and detection circuitry current value is big more to carry out humidity to the raw materials and detect, be convenient for compensate.

As shown in fig. 6, the adjusting device 4 further includes an electromagnet 43 and a magnet 44, the closure plate 42 is provided with an opening/closing slot 422, a discharge hole 421 is provided in the middle section of the opening/closing slot 422, the electromagnet 43 and the magnet 44 are respectively disposed at two ends of the opening/closing slot 422, the magnet 44 is provided with an opening slot 441, the magnet 44 is slidably connected to the opening/closing slot 422, the end of the magnet 44 is provided with a return spring 45, one side of the return spring 45 away from the magnet 44 is fixedly connected to the opening/closing slot 422, and the electromagnet 43 and the detection circuit are connected in series to form an adjusting circuit.

The electromagnet 43 and the detection circuit are connected in series to form a regulating circuit, when the detection circuit is conducted, magnetism is generated on the electromagnet 43, opposite ends of the electromagnet 43 and the magnet block 44 are of different-name magnetic poles, so that the electromagnet 44 is adsorbed, hot air generated by the heating seat 33 is discharged through the discharge hole 421, the opening degree is regulated through the opening degree groove 441 on the magnet block 44, the larger the humidity of the raw material is, the larger the current value of the detection circuit is, the larger the moving distance of the magnet block 44 attracted by the electromagnet 43 is, a pre-tightening force is provided through the reset spring 45, in the conducting state, the opening degree groove 441 and the discharge hole 421 are partially overlapped, the overlapping area between the opening degree groove and the discharge hole is automatically regulated according to different water content of the raw material, the hot air cut-off amount of the cut-off plate 42 is changed, and the primary drying efficiency is improved.

As shown in fig. 1-2, the conveying device further includes a guiding seat 6, the guiding seat 6 is located at the end of the feeding direction of the conveying belt 13, a sliding groove 61 is arranged on the guiding seat 6, a friction surface is arranged on the turntable 23, the roughness of the friction surface is gradually reduced from inside to outside, the outlet direction of the rotating groove 212 faces the upper side of the guiding seat 6, the outlet of the sliding groove 61 faces the feeding port of the dryer, a reversing slope 62 is arranged on the guiding seat 6, and the inlet of the sliding groove 61 is located between the reversing slope 62 and the conveying belt 13.

Sieving through the guide seat 6, after through humidity compensation and preliminary drying, make the humidity difference of raw materials be in less threshold value, improve centrifugal motor 22 rotational speed, thereby improve the raw materials and obtain centrifugal force, after the raw materials are preliminarily dried, surface viscosity reduces, raw materials and the side friction surface friction contact on the carousel 23, the raw materials surface roughness that the water content is moderate is lower, and friction surface friction is little, the transmission ratio is small, initial velocity obtained through centrifugation is low, make the raw materials get into spout 61 after, enter the desiccator along spout 61, when the water content is too little, raw materials surface roughness is great, the friction drive ratio increases, initial velocity obtained through centrifugation is big, make the raw materials cross spout 61 import under inertial action, on the direct slide switching-over is domatic 62, thereby sieve the raw materials of different water contents, prevent that the raw materials that the water content reduces from getting into the desiccator and causing the stoving excessively, the drying quality is ensured.

Preferably, the diversion device 3 further includes a return pipe 35, the return pipe 35 is communicated with the tail end of the distribution pipe 34, and one end of the return pipe 35, which is far away from the distribution pipe 34, is communicated with the air inlet 331. The tail gas of the distributing pipe 34 is introduced and drained through the return pipe 35, so that the tail gas is recycled, the temperature of the tail gas is still high, the heating efficiency of the heating wire 38 is improved, and the energy consumption is reduced.

Preferably, the air inlet 331 includes a flow path 3311, a throat portion 3312 and a divergent section 3313, the flow path 3311 is arranged in a convergent manner, the flow path 3311 is communicated with the divergent section 3313 through the throat portion 3312, a negative pressure port is arranged at a communication position of the throat portion 3312 and the divergent section 3313, and the return pipe 35 is communicated with the negative pressure port. The flow velocity is increased by the convergent arrangement of the rectifying duct 3311, the flow velocity is fastest at the throat part, the pressure is minimum, a negative pressure port is arranged between the throat part and the divergent section 3313, and negative pressure is generated by entrainment, so that tail gas of the distribution pipe 34 is circulated, and the circulation quality is improved.

The working principle of the invention is as follows: the heating cavity 332 is arranged in a taper manner, so that air compressed by the air blower 32 enters the heating cavity 332 and moves upwards spirally, the heat exchange stroke is improved, a fan cover is arranged at the tail end of the driving motor 11, hot air is collected through the fan cover, and then secondary heating is carried out through the heating wire 38; gas after heat exchange of the heat exchange sheets 24 is reversed through the heat exchange grooves 211 and then is sprayed out through the nozzles 36, a jet layer is formed on the upper surface of the raw material, the jet enters the flow guide grooves 311 and is arranged in an arc shape through the flow guide grooves 311, after the raw material is dried through the rotary disc 23, the gas in the raw material is continuously evaporated and enters the flow guide grooves 311 under the action of air pressure to collect water vapor, the jet gas is disturbed in the flow guide grooves 311, the flow rate of the jet gas is high, the pressure is low, and the jet gas sucks the water vapor to drive the water vapor to move; the diversion channel 312 forms two channels at two sides of the diversion block 37, the arc end of the diversion block 37 is an outward convex arc, the straight end is a plane, the tail parts of the arc and the straight are provided with tail flow surfaces, when wet airflow enters one side of the tail flow surface, the tail flow surface generates two vortexes, the wet airflow in the tail vortexes is increased through the vortex force generated by the tail vortexes to form high-density wet air mass, the whole quality of the wet airflow is reduced along with the reduction of the water vapor content of the moving jet flow air mass, the moving distance of the flow dividing block 37 is smaller after the energy is converted by the flow dividing block 37, thereby communicating the second outlet with the sub-runners, the high-density moisture mass enters the ring groove 213 through the second outlet, the water is drained through the annular groove 213 and enters the wetting groove 232, the nozzles 231 arranged along the circumferential direction are used for spraying air, the nozzles 231 are arranged in an arc shape and used for spraying air to the central axis of the upper side of the rotating disc 23, the raw materials are wetted by water vapor, and the water content of the dried raw materials is improved; two binding posts of the detection power supply are communicated with the two electrode plates 412 through electric wires, wet air flows through the space between the two electrode plates 412, so that the relative humidity is increased to form a detection circuit, the higher the humidity is, the higher the conductivity is, the higher the current value of the detection circuit is, so that the real-time detection is carried out on the humidity of the raw material, the overlapping area between the opening groove and the drainage hole is automatically adjusted according to different water content of the raw material, and the hot air intercepting amount of the intercepting plate 42 is changed.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Subsidiary conveyor of preliminary drying function's automatic feed of desiccator, conveyor is to the desiccator feed, its characterized in that: the automatic feeding conveying device comprises a power device (1), a bearing device (2), a flow guide device (3) and an adjusting device (4), wherein the power device (1) is in transmission connection with the bearing device (2), the flow guide device (3) is communicated with the bearing device (2), the power device (1) is in fastening connection with the flow guide device (3), the adjusting device (4) is connected with the bearing device (2), the flow guide device (3) is connected with the adjusting device (4), the power device (1) comprises a driving motor (11), a driving wheel (12) and a conveying belt (13), two driving wheels (12) are arranged on the inner ring of the conveying belt (13), the driving wheels (12) are in transmission connection with the conveying belt (13), supports (14) are respectively arranged on two sides of the two driving wheels (12), and the driving wheels (12) are in rotation connection with the supports (14), the upper side moving direction of the conveying belt (13) is a feeding direction, the driving motor (11) is positioned on one side of the support (14) at the front end of the feeding direction, and the output end of the driving motor (11) is in transmission connection with the driving wheel (12) at the front end of the feeding direction;

conveyer belt (13) outside is equipped with a plurality of load-bearing device (2), load-bearing device (2) is including objective table (21), centrifugal motor (22) and carousel (23), objective table (21) and conveyer belt (13) transmission are connected, are equipped with rotary trough (212) on objective table (21), rotary trough (212) bottom is arranged in centrifugal motor (22), and centrifugal motor (22) output and carousel (23) transmission are connected, carousel (23) outer lane and rotary trough (212) rotate to be connected, guiding device (3) include forced draught blower (32), forced draught blower (32) and support (14) fastening connection, forced draught blower (32) output are equipped with heating seat (33), forced draught blower (32) and heating seat (33) pipeline intercommunication, be equipped with heating chamber (332) on heating seat (33), be equipped with heater strip (38) in heating chamber (332), heater strip (38) spiral arrangement, heating chamber (332) both sides are equipped with air intake (331) and air outlet respectively, air intake (331) and forced draught blower (32) output intercommunication, heating seat (33) one side is equipped with distributing pipe (34), distributing pipe (34) and air outlet intercommunication, distributing pipe (34) outer wall and support (14) fastening connection, distributing pipe (34) and objective table (21) sliding connection, distributing pipe (34) are close to objective table (21) one side one-way opening setting, be equipped with heat transfer groove (211) on objective table (21), heat transfer groove (211) and distributing pipe (34) intercommunication, carousel (23) are equipped with a plurality of heat exchanger fins (24) along circumference, heat exchanger fin (24) are kept away from carousel (23) one end and are arranged in heat transfer groove (211).

2. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 1, wherein: heating chamber (332) set up for the toper, air intake (331) and air outlet are along space staggered arrangement, and air intake (331) are located heating chamber (332) lower floor, the air outlet is located heating chamber (332) upper strata, be equipped with the fan casing on driving motor (11), forced draught blower (32) air intake and fan casing pipeline intercommunication.

3. The automatic feeding and conveying device with the preliminary drying function for the dryer according to claim 2, wherein: the flow guide device (3) further comprises a flow guide plate (31), the flow guide plate (31) is fixedly connected with one side of the objective table (21), the flow guide plate (31) is arranged in a bent mode, the adjusting device (4) comprises an intercepting plate (42), one side of the intercepting plate (42) is fixedly connected with the objective table (21), the intercepting plate (42) is obliquely arranged, the intercepting plate (42) is located at the rear section of the inlet of the heat exchange groove (211), the intercepting plate (42) is towards the outlet of the heat exchange groove (211), the flow guide device (3) further comprises a nozzle (36), the nozzle (36) is communicated with the outlet of the heat exchange groove (211), the flow guide groove (311) is formed in the flow guide plate (31), the nozzle (36) is towards the flow guide groove (311), and the flow guide groove (311) is arranged in an arc shape.

4. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 3, wherein: the conveying device further comprises a liquid collecting chamber (5), the liquid collecting chamber (5) is connected with a guide plate (31) through a pipeline, the tail end of the diversion trench (311) is provided with a runner (312), a splitter block (37) is arranged in the runner (312), the splitter block (37) is connected with the runner (312) in a sliding manner, a straight surface, an arc surface and a tail flow surface are arranged on the splitter block (37), the straight surface and the arc surface are connected to the runner (312) in an imported manner, the tail flow surface is arranged at the tail end of the straight surface and the arc surface, the splitter block (312) is obliquely arranged, the inlet of the splitter block (312) is arranged at a low position, an annular groove (213) is arranged on the objective table (21), a wetting groove (232) is arranged on the rotary table (23), the annular groove (213) is communicated with the wetting groove (232), the splitter block (312) comprises a first outlet and a second outlet, the first outlet is communicated with the pipeline of the liquid collecting chamber (5), the second export is located reposition of redundant personnel piece (37) slip stroke upper end, subchannel (312) are through second export and annular (213) intermittent type intercommunication, be equipped with a plurality of spouts (231) on carousel (23), spout (231) and wetting groove (232) intercommunication, spout (231) are the arc and arrange, and spout (231) are given vent to anger and hold towards carousel (23) axis.

5. The automatic feeding and conveying device with the primary drying function for the dryer according to claim 4, characterized in that: adjusting device (4) still include detecting element (41), detecting element (41) and guide plate (31) are connected, and detecting element (41) are including detecting power (411) and plate electrode (412), detect power (411) frame and guide plate (31) fastening connection, guiding gutter (311) upper end both sides are equipped with plate electrode (412) respectively, the terminal post that detects power (411) is connected constitution detection circuitry with two plate electrode (412) electricity respectively.

6. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 5, wherein: adjusting device (4) still include electro-magnet (43) and magnet piece (44), be equipped with on closure plate (42) and open and close groove (422), open and close groove (422) middle section and be equipped with discharge orifice (421), open and close groove (422) both ends are arranged respectively in electro-magnet (43) and magnet piece (44), be equipped with aperture groove (441) on magnet piece (44), magnet piece (44) and open and close groove (422) sliding connection, magnet piece (44) end is equipped with reset spring (45), reset spring (45) are kept away from magnet piece (44) one side and are opened and close groove (422) fastening connection, electro-magnet (43) and detection circuitry establish ties and constitute regulating circuit.

7. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 6, wherein: conveyor still includes guide holder (6), guide holder (6) are located conveyer belt (13) feeding direction end, are equipped with spout (61) on guide holder (6), be equipped with the friction surface on carousel (23), the friction surface roughness reduces from inside to outside gradually, spout (212) export direction is towards guide holder (6) upside, spout (61) export is towards the desiccator feed inlet, be equipped with the domatic (62) of switching-over on guide holder (6), spout (61) import is located between the domatic (62) of switching-over and conveyer belt (13).

8. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 7, wherein: the flow guide device (3) further comprises a return pipe (35), the return pipe (35) is communicated with the tail end of the distribution pipe (34), and one end, far away from the distribution pipe (34), of the return pipe (35) is communicated with the air inlet (331).

9. The automatic feeding and conveying device of the dryer with the primary drying function as claimed in claim 8, wherein: the air inlet (331) comprises a whole flow passage (3311), a throat portion (3312) and a gradually expanding section (3313), the whole flow passage (3311) is arranged in a gradually reducing mode, the whole flow passage (3311) is communicated with the gradually expanding section (3313) through the throat portion (3312), a negative pressure port is arranged at the communication position of the throat portion (3312) and the gradually expanding section (3313), and the return pipe (35) is communicated with the negative pressure port.