CN210569818U - Novel biomass or sludge particle drying device - Google Patents
Novel biomass or sludge particle drying device Download PDFInfo
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- CN210569818U CN210569818U CN201921630769.6U CN201921630769U CN210569818U CN 210569818 U CN210569818 U CN 210569818U CN 201921630769 U CN201921630769 U CN 201921630769U CN 210569818 U CN210569818 U CN 210569818U
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Abstract
The utility model discloses a novel living beings or sludge granules drying device, it includes hot air evaporation drying host computer, draught fan, hot-blast precooling heat exchanger, condensation dehumidifier and hot air heater, hot air evaporation drying host computer passes through the pipeline and links to each other with hot air heater and draught fan, the draught fan passes through the pipeline and links to each other with hot-blast precooling heat exchanger, hot-blast precooling heat exchanger passes through the pipeline and links to each other with the condensation dehumidifier, the condensation dehumidifier passes through the pipeline and links to each other with hot air heater. The utility model discloses free from extraneous odour when dry, and do not need constantly to introduce fresh air, avoid polluting living beings or mud granule.
Description
Technical Field
The utility model relates to a drying device especially relates to a device that is used for living beings or mud granule drying.
Background
With the development of human beings, the demand of human beings on energy is increasing, and non-renewable energy such as petroleum, natural gas and coal is being exhausted day by day, and the development of new energy has been paid more and more attention to human beings. As a member of new energy, the development of renewable energy of biomass has become a focus of attention in various fields. China is vast, biomass fuels such as various crop straws, forest waste and the like are extremely rich, but the biomass fuels cannot be utilized for a long time, and are directly burnt by farmers, so that energy is wasted and air is polluted. If the biomass fuels in China can be fully utilized, the biomass fuel is very helpful for solving the energy crisis in China. In the manufacturing process of the biomass particle fuel, the drying of the biomass particles is indispensable, and if the drying does not meet the requirement, the biomass particles can be agglomerated, so that the quality of the biomass particles is influenced.
The utility model discloses a chinese utility model patent that the grant bulletin number is CN207688554U, and the public day is 2018 8 month 8 3 discloses a drying device for living beings pellet fuel, including the organism, the bottom fixed mounting of internal chamber of organism has the transmission band, and the transmission band is located the outside one end swing joint of organism has the column spinner, and the fixedly connected with pivot of center department of column spinner, the pivot is connected with the output shaft of main motor through the gear belt transmission, and one side fixed mounting of internal chamber of organism has the cooler. This a drying device for living beings pellet fuel, through setting up the air suction dish, hot draught fan and compressor, utilize the air suction dish to adsorb organism inside air, get rid of the moisture through the dehumidifier, then through hot draught fan heating and compressor compression, transmit the inside heating pipe of organism and dry, then pass through the air suction dish again, just so realized thermal reuse among the high-temperature gas, realize the purpose of heat circulation stoving, it is rotatory to assist the motor to drive the stirring leaf simultaneously, make living beings pellet fuel and the abundant contact of hot-air. But this utility model drying efficiency is lower, still will stir living beings granule garrulous in the stirring, and the granule after the shaping becomes the powder, has reduced product quality, still produces the caking easily.
The application publication number is CN109595921A, and the application publication number is 2019.4.9, Chinese invention patent application discloses a biomass energy particle dryer, which comprises a material receiving seat, a sleeve and a box body, wherein the sleeve is fixedly connected to the upper end of the material receiving seat, the box body is fixedly connected to the upper end of the sleeve, the upper end of the box body is in through connection with a feed inlet, and a cover is hinged to the side wall of the feed inlet; the biomass particles are dried again by hot air flow above and hot air flow from the side wall of the drying cylinder in the biomass particle re-drying cylinder, and the biomass particles are not rapidly dropped in the slow rotating process of the bearing plate, so that the drying time of the biomass particles is longer, and the efficient drying effect is achieved. The utility model discloses an improve drying efficiency, can not stir the living beings granule breakage yet, but have following defect:
when the whole dryer is used for drying biomass particles, the dried gas is directly discharged, and the biomass particles or sludge particles can generate peculiar smell due to the existence of putrefactive substances, so that the pollution of surrounding air is caused. After the air is directly discharged, fresh air needs to be continuously supplemented, so that an air supplementing device needs to be added, and the drying cost is increased. The introduction of fresh air may contaminate biomass or soil particles, as the air may contain harmful substances that contaminate the biomass or sludge particles.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a novel living beings or sludge granules drying device, this drying device do not have the air discharge in dry living beings or sludge granules, can not produce the peculiar smell, can not cause the pollution to the surrounding environment, need not constantly introduce fresh air, and harmful substance in the air can not cause the pollution to living beings granule or sludge granules yet.
A novel biomass or sludge particle drying device is characterized in that: including hot-blast evaporation drying host computer, draught fan, hot-blast precooling heat exchanger, condensation dehumidifier and hot air heater, hot-blast evaporation drying host computer passes through the pipeline and links to each other with hot air heater and draught fan, the draught fan passes through the pipeline and links to each other with hot-blast precooling heat exchanger, hot-blast precooling heat exchanger passes through the pipeline and links to each other with the condensation dehumidifier, the condensation dehumidifier passes through the pipeline and links to each other with hot air heater.
Preferably, the hot-air precooling heat exchanger is provided with a first air inlet, a second air inlet, a first air outlet and a second air outlet, the condensation dehumidifier is provided with an air inlet and an air outlet, the first air inlet is connected with the draught fan through a pipeline, the second air inlet is connected with the air outlet of the hot-air precooling heat exchanger through a pipeline, the first air outlet is connected with the air inlet of the condensation dehumidifier through a pipeline, and the second air outlet is connected with the hot-air heater through a pipeline. The temperature of the hot humid air is reduced while the hot humid air is heated and heated by the condensation dehumidifier, and the temperature of the cold air subjected to condensation dehumidification is reduced while the cold air is heated and heated. Thus, the mutual utilization is realized, the mutual heat exchange is carried out, and the purpose of reducing the energy consumption is achieved.
Preferably, the condensation dehumidifier is connected with a refrigerant circulating device, the refrigerant circulating device comprises a condenser, a refrigeration compressor and a throttle expansion valve, the condensation dehumidifier is provided with a refrigerant inlet and a refrigerant outlet, the condenser is provided with a refrigerant inlet, a refrigerant outlet, a cooling medium inlet and a cooling medium outlet, the hot air heater is provided with a refrigerant inlet and a refrigerant outlet, the refrigerant outlet on the condenser is connected with the throttle expansion valve through a pipeline, the throttle expansion valve is connected with the refrigerant inlet of the condensation dehumidifier through a pipeline, the refrigerant outlet of the condensation dehumidifier is connected with the refrigeration compressor through a pipeline, the refrigeration compressor is connected with the refrigerant inlet on the hot air heater through a pipeline, the refrigerant outlet of the hot air heater is connected with the refrigerant inlet on the condenser through a pipeline, and after cooling medium enters the cooling refrigerant from the cooling medium inlet of, and flows out from the cooling medium outlet.
Preferably, the hot air evaporation drying host comprises a shell, wherein a feeding inlet and a hot and wet air outlet are formed in the top of the shell, a dry material outlet and a hot and dry air inlet are formed in the bottom of the shell, a conveying mesh belt is installed in the shell, three conveying mesh belts are arranged from the top to the bottom of the shell, the feeding inlet is located above the uppermost conveying mesh belt, the dry material outlet is formed below the tail end of the lowermost conveying mesh belt, the hot and dry air inlet is connected with a hot air heater through a pipeline, and the hot and wet air outlet is connected with an induced draft fan through a pipeline. The biomass or sludge particles enter the uppermost conveying mesh belt from the charging inlet, fall onto the middle conveying mesh belt after being conveyed above the uppermost conveying mesh belt, then fall onto the lowermost conveying mesh belt, and are discharged out of the shell from the dry material outlet after being conveyed by the lowermost conveying mesh belt. Air heated by the hot air heater is changed into hot air, the hot air enters the shell from the hot dry air, biomass or sludge particles are contacted with the hot air for many times in the process of conveying the mesh belt, the biomass or sludge particles are dried, the temperature of the hot air is reduced, the humidity of the hot air is increased, the hot air is changed into hot and humid air, and the hot and humid air is discharged out of the shell from the hot and humid air port under the action of the induced draft fan.
Preferably, a material guide wedge block is arranged inside the shell between the tail end of the uppermost conveying mesh belt and the head end of the middle conveying mesh belt, and a material guide wedge block is arranged inside the shell between the tail end of the middle conveying mesh belt and the head end of the lowermost conveying mesh belt.
Preferably, the conveying mesh belt comprises a driving roller, a driven roller and an annular mesh belt, the annular mesh belt is sleeved on the driving roller and the driven roller, and the driving roller is connected with a variable-frequency speed-regulating motor.
Preferably, the pre-cooling heat exchanger is a plate-fin compact heat exchanger.
Preferably, the condensation dehumidifier is a tube-fin structure condensation dehumidifier.
Preferably, the hot air heater is a tube fin type heat exchanger.
The beneficial effects of the utility model are embodied in:
the utility model discloses a hot-blast evaporation drying host computer, draught fan, hot-blast precooling heat exchanger, condensation dehumidifier and hot air heater, hot-blast evaporation drying host computer passes through the pipeline and links to each other with hot air heater and draught fan, the draught fan passes through the pipeline and links to each other with hot-blast precooling heat exchanger, hot-blast precooling heat exchanger passes through the pipeline and links to each other with the condensation dehumidifier, the condensation dehumidifier passes through the pipeline and links to each other with hot air heater. Starting each instrument, heating air by a hot air heater, entering a hot air evaporation drying main machine from a hot dry air inlet, contacting the hot air with biomass or sludge particles to dry the biomass or sludge particles, discharging the dried biomass or sludge particles from a dry material outlet, reducing the temperature of the hot air, increasing the humidity to form hot and humid air, under the action of a draught fan, hot and wet air enters the hot air precooling heat exchanger from the hot and wet air outlet, is cooled by the hot air precooling heat exchanger and then enters the condensation dehumidifier, the temperature in the hot air is reduced under the action of condensation, the water is condensed into water and discharged from the condensation dehumidifier, while the temperature and humidity of the hot air are reduced to become low-temperature drying air, then the biomass or sludge enters a hot air heater to be heated and heated to become hot dry air, and the hot dry air enters a hot air evaporation drying main machine to dry the biomass or sludge particles. Realized hot-blast cyclic utilization, each instrument is sealed, pass through the pipe-line transportation, no hot air loss, do not contact with the external world, can not pollute living beings or mud granule, also can not distribute out the peculiar smell, pollute the ambient air, only need inhale fresh air when starting, then just can cyclic utilization always, fresh air need not mended, do not need to provide alone air to mend equipment, the cost is reduced, do not need the external air contact, just can not pollute living beings or mud granule yet, adjust the draught fan, make keep the negative pressure in the hot-air evaporation drying host computer, just can not have hot-blast effluvium, can not have the peculiar smell.
The utility model discloses the condensation dehumidifier is connected with refrigerant circulating device, and refrigerant circulating device includes condenser, compressor and throttle expansion valve, is provided with refrigerant import and refrigerant export on the condensation dehumidifier, is provided with refrigerant import, refrigerant export, coolant import and coolant export on the condenser, is provided with refrigerant import and refrigerant export on the hot air heater, the refrigerant export on the condenser links to each other with throttle expansion valve through the pipeline, and throttle expansion valve links to each other through the refrigerant import of pipeline condensation dehumidifier, and the refrigerant export of condensation dehumidifier links to each other with compressor through the pipeline, and the compressor links to each other with the refrigerant import on the hot air heater through the pipeline, and the refrigerant export of hot air heater links to each other with the refrigerant import on the condenser through the pipeline, and after coolant got into the cooling refrigerant from the coolant import of condenser, and flows out from the cooling medium outlet. A cold source is provided for the condensation dehumidifier through the refrigerant circulating device, hot air entering the condensation dehumidifier is condensed, moisture in the hot air is condensed out, hot wet air is converted into cold dry air, and the hot air is heated and warmed by the hot air heater once.
The utility model discloses hot-blast evaporation drying host computer includes the casing, the casing top is provided with reinforced entry and the export of hot humid air, the casing bottom is provided with drier export and hot dry air entry, install conveying mesh belt in the casing, conveying mesh belt is provided with three altogether from the casing top to the bottom, reinforced entry is located one conveying mesh belt top of the top, the drier export sets up one conveying mesh belt end below the bottom, hot dry air entry passes through the pipeline and links to each other with hot air heater, the export of hot humid air passes through the pipeline and links to each other with the draught fan. The biomass or sludge particles enter the uppermost conveying mesh belt from the charging inlet, fall onto the middle conveying mesh belt after being conveyed above the uppermost conveying mesh belt, then fall onto the lowermost conveying mesh belt, and are discharged out of the shell from the dry material outlet after being conveyed by the lowermost conveying mesh belt. Air heated by the hot air heater is changed into hot air, the hot air enters the shell from the hot dry air, biomass or sludge particles are contacted with the hot air for many times in the process of conveying the mesh belt, the biomass or sludge particles are dried, the temperature of the hot air is reduced, the humidity of the hot air is increased, the hot air is changed into hot and humid air, and the hot and humid air is discharged out of the shell from the hot and humid air port under the action of the induced draft fan. Through the conveying of three conveying mesh belts, convey living beings or mud granule to the drier export, contact with hot-blast layer upon layer at the in-process of conveying, drying efficiency is high, also can not cause the damage to living beings or mud granule when the stoving.
The utility model discloses be provided with the guide wedge on the casing inside between the top one conveying mesh belt end and the middle one conveying mesh belt head end, be provided with the guide wedge on the casing inside between middle one conveying mesh belt end and the bottom one conveying mesh belt head end. Through the effect of guide wedge, with living beings and mud granule leading-in from a transport net area to another transport net area on, avoid the extrusion inside the casing, bond inside the casing, also can avoid contacting with the casing, cause living beings or mud granule breakage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the attached drawing, 1, a hot air evaporation drying main machine, 2, an induced draft fan, 3, a hot air precooling heat exchanger, 4, a condensation dehumidifier, 5, a hot air heater, 6, a condenser, 7, a refrigeration compressor, 8, a throttle expansion valve, 9, an uppermost conveying mesh belt, 10, a middle conveying mesh belt, 11, a lowermost conveying mesh belt, 12, a feeding inlet, 13, a hot and wet air outlet, 14, a hot and dry air inlet and 15, a dry material outlet.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model provides a novel living beings granule or mud granule adopt the dry device of heat pump technology evaporation condensation, mainly to mud, moist living beings like leaf branch weeds and some living beings of other, adopt the power drive heat pump to carry out thermal cycle and heat the air moisture absorption and evaporative cooling and dehumidify.
The device is divided into a drying cycle process of air evaporation and condensation and a heat pump heating and evaporation cooling cycle process. The evaporation, condensation and drying cycle process comprises a hot air heater, a hot air evaporation and drying main machine, an induced draft fan, a hot air precooling heat exchanger and a condensation and dehumidification heat exchanger, dry hot air with higher temperature is prepared by the hot air heater, after entering the hot air evaporation and drying main machine, wet materials are dried by hot air, the main machine is in a negative pressure state by the induced draft fan, the induced draft fan sends the wet hot air with moisture absorption into the hot air precooling heat exchanger for precooling, the precooled wet air enters a condensation dehumidifier for cooling and condensation to remove moisture brought by evaporation in the main machine, the lower temperature air after condensation enters the hot air precooling heat exchanger for preheating, the preheated air enters the hot air heater for heating to become hot dry air, and the hot dry air enters the main machine for. The whole evaporation, condensation and drying process adopts air as a carrier without other pollutants, the host is in a proper negative pressure state by adjusting the draught fan in the working process, the leakage of gas generated in the evaporation process of materials in the host is avoided, the hot air heater is controlled to enable the air to be at a proper temperature below 85 ℃, only water is evaporated in the evaporation process, no other organic gas exists, and the evaporation has higher heat and humidity exchange efficiency. The grain diameter of the material particles or sludge particles in the main machine is generally between 2mm and 100mm, after the wet particles or block materials enter the main machine from the charging opening, the wet particles or block materials are sequentially conveyed by three mesh-shaped speed-adjustable conveying belts, and the wet materials on the conveying belts and hot dry air perform heat-moisture exchange to slowly evaporate the moisture in the wet materials to be dried.
The heat pump heating and evaporating cooling circulation process is composed of five parts, namely a refrigeration compressor, a hot air heater, a condensation dehumidifier, a throttle expansion valve, a condenser and the like. In the circulation, the refrigeration compressor adopts a screw compressor and selects proper refrigerant for compression, so that the temperature of the refrigerant is raised to about 95 ℃, and after the refrigerant enters the hot air heater, the air entering the hot air heater is heated, so that the temperature of the air is below 85 ℃ and is proper. The refrigerant is sent into a condenser for cooling and condensation, enters a throttle expansion valve for throttling and cooling, enters a condensation dehumidifier for heat absorption and evaporation cooling so that the wet air is cooled to the dew point, and the refrigerant which is continuously condensed, dehumidified, absorbed and evaporated flows back to a refrigeration compressor for the next circulation process.
The device comprises the following equipment:
hot air evaporation drying main machine
Moist sludge, biomass such as leaves, branches and weeds, and other granular or blocky materials such as biomass straws are cut or processed to a certain length, are added into a conveying mesh belt through an upper feeding inlet 2 of a hot air evaporation drying main machine 1, and are slowly conveyed through an uppermost conveying mesh belt 9, a middle conveying mesh belt 10 and a lowermost conveying mesh belt 11. After the hot and wet exchange with the hot and dry air entering from the hot and dry air inlet 14 below is carried out in the conveying process, the moisture in the materials is evaporated and dried, and the materials are discharged from the dry material outlet 15. After the hot dry air absorbs the moisture evaporated by the material in the heat and moisture exchange process, the temperature is reduced, the humidity is increased to become hot wet air, and the hot wet air is sucked by the draught fan 2 at the hot wet air outlet 13 of the hot air evaporation drying main machine 1 and is sent into the hot air precooling heat exchanger 3. In the working process, the air quantity of the draught fan 2 is adjusted and controlled to enable the hot-wet process in the main machine to be in a negative pressure state. And the negative pressure state can prevent hot and wet air from being discharged from the dry material port to generate peculiar smell.
Draught fan
The induced draft fan 2 is connected to the hot and humid air outlet 13 through a pipeline, and the induced draft fan is used for sucking hot and humid air of the hot air drying main machine and sending the hot and humid air to the hot air precooling heat exchanger for heat exchange. The design process selects the low-noise variable-frequency adjustable axial flow induced fan, so that the flow and the air pressure are in proper ranges.
Hot air precooling heat exchanger
And two sides of the hot air precooling heat exchanger 3 are both heat exchangers of single-phase wet air, and a plate-fin compact heat exchanger is selected. One side is used for releasing heat and reducing temperature of hot and humid air, and the other side is used for absorbing heat and increasing temperature of cold air. The temperature of the hot and humid air is reduced while the hot and humid air is heated and heated by the condensation dehumidifier, and the temperature of the hot and humid air is reduced while the temperature of the cold air subjected to condensation dehumidification is raised. Thus, the mutual utilization is realized, the mutual heat exchange is carried out, and the purpose of reducing the energy consumption is achieved.
The hot dry air enters the hot air evaporation drying main machine, after heat and humidity exchange, the temperature is reduced, the relative humidity is increased, and the hot dry air is sent into the precooling heat exchanger by the draught fan, so that the temperature of the wet air is further reduced, and the efficiency of the condensation process in the condenser is improved.
The cold air is preheated before entering the hot air heater, the temperature is increased, the relative humidity is reduced, and the heat exchange efficiency in the hot air heater is improved.
Condensation dehumidifier
The pre-cooled wet air enters the condensate dehumidifier 4. The type selection of the condensation dehumidifier is a pipe-fin structure. Wherein the refrigerant after being throttled, expanded and cooled is evaporated in the tube to absorb the heat of the wet air of the outer fin of the tube. The wet air is rapidly cooled to the dew point and condensed, and the wet air is continuously condensed outside the tube fins, so that the temperature is continuously reduced. The bottom of the condensate dehumidifier discharges condensate water. The cold air condensed by the condensation dehumidifier is introduced into the heat exchanger of the single-phase wet air on the other side of the hot air precooling heat exchanger, and enters the hot air heater 5 after being preheated.
Hot air heater
The hot air heater 5 is a tube fin type heat exchanger. The high-temperature refrigerant flows in the pipe to release heat, air preheated by the hot air precooling heat exchanger flows in, after heat exchange, the air absorbs heat and is heated to a preset hot dry air temperature, then the air flows in the hot air evaporation drying host machine to carry out heat-moisture exchange, and the refrigerant releases heat and then flows in the condenser to be cooled and condensed.
Condenser
The condenser 6 is generally a tube fin type air cooling heat exchange structure. The refrigerant flows in the tube to release heat, cool and condense, and the outside of the tube fin is directly radiated by cold air at ambient temperature. The condenser cools the refrigerant by introducing external chilled water or cold air.
Refrigerating compressor
The refrigerating compressor 7 compresses and heats the refrigerant, and because the compressor needs to be increased in pressure ratio due to the output of high-temperature hot air in the unit, a screw compressor unit can be selected. The refrigerant with proper thermal parameters needs to be selected for operation.
Throttle expansion valve
The throttle expansion valve 8 is a refrigerant condensed by a refrigerant condenser, and the inflow refrigerant reaches a predetermined cooling effect when flowing through the part by utilizing a throttle cooling effect.
Conveying mesh belt installed in hot air evaporation drying main machine
Moist sludge with a certain size, biomass such as leaves, branches and weeds, and other biomass straw particles or blocky materials are added into the conveying mesh belt from an upper feeding inlet. The conveying belt is divided into three paths, the conveying direction is opposite to the air of heat and humidity exchange, and the three paths of conveying belt belts are divided into three layers of reverse flowing heat and humidity exchange by adopting isolation plates. After the materials are slowly conveyed by the uppermost, middle and lowermost conveying mesh belts and the hot dry air below the materials are subjected to heat and moisture exchange, the moisture in the materials is evaporated, dried and conveyed to an outlet for output. A material guide wedge-shaped block 16 is arranged inside the shell between the tail end of the uppermost conveying mesh belt and the head end of the middle conveying mesh belt, and a material guide wedge-shaped block 16 is arranged inside the shell between the tail end of the middle conveying mesh belt and the head end of the lowermost conveying mesh belt. The belt conveying mesh belt comprises a driving roller, a driven roller and an annular mesh belt, the annular mesh belt is sleeved on the driving roller and the driven roller, the driving roller is connected with a variable-frequency speed-regulating motor, and the conveying speed is controlled by the variable-frequency speed-regulating motor. The aperture of the conveying net belt is selected and matched according to the size and the shape of the material.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A novel biomass or sludge particle drying device is characterized in that: including hot-blast evaporation drying host computer, draught fan, hot-blast precooling heat exchanger, condensation dehumidifier and hot air heater, hot-blast evaporation drying host computer passes through the pipeline and links to each other with hot air heater and draught fan, the draught fan passes through the pipeline and links to each other with hot-blast precooling heat exchanger, hot-blast precooling heat exchanger passes through the pipeline and links to each other with the condensation dehumidifier, the condensation dehumidifier passes through the pipeline and links to each other with hot air heater.
2. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the hot air precooling heat exchanger is provided with a first air inlet, a second air inlet, a first air outlet and a second air outlet, the condensation dehumidifier is provided with an air inlet and an air outlet, the first air inlet is connected with the draught fan through a pipeline, the second air inlet is connected with the air outlet of the hot air precooling heat exchanger through a pipeline, the first air outlet is connected with the air inlet of the condensation dehumidifier through a pipeline, and the second air outlet is connected with the hot air heater through a pipeline.
3. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the condensation dehumidifier is connected with a refrigerant circulating device, the refrigerant circulating device comprises a condenser, a refrigeration compressor and a throttle expansion valve, a refrigerant inlet and a refrigerant outlet are arranged on the condensation dehumidifier, a refrigerant inlet, a refrigerant outlet, a cooling medium inlet and a cooling medium outlet are arranged on the condenser, a refrigerant inlet and a refrigerant outlet are arranged on the hot air heater, the refrigerant outlet on the condenser is connected with the throttle expansion valve through a pipeline, the throttle expansion valve is connected with the refrigerant inlet of the condensation dehumidifier through a pipeline, the refrigerant outlet of the condensation dehumidifier is connected with the refrigeration compressor through a pipeline, the refrigeration compressor is connected with the refrigerant inlet on the hot air heater through a pipeline, the refrigerant outlet of the hot air heater is connected with the refrigerant inlet on the condenser through a pipeline, and after cooling medium enters the cooling refrigerant from the cooling medium inlet, and flows out from the cooling medium outlet.
4. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the hot air evaporation drying main machine comprises a shell, a feeding inlet and a hot and wet air outlet are arranged at the top of the shell, a dry material outlet and a hot and dry air inlet are arranged at the bottom of the shell, a conveying mesh belt is installed in the shell, three conveying mesh belts are arranged from the top to the bottom of the shell together, the feeding inlet is positioned above the uppermost conveying mesh belt, the dry material outlet is arranged below the tail end of the lowermost conveying mesh belt, the hot and dry air inlet is connected with a hot air heater through a pipeline, and the hot and wet air outlet is connected with an induced draft fan through a pipeline.
5. The novel biomass or sludge particle drying device as claimed in claim 4, wherein: the material guide wedge-shaped block is arranged inside the shell between the tail end of the uppermost conveying mesh belt and the head end of the middle conveying mesh belt, and the material guide wedge-shaped block is arranged inside the shell between the tail end of the middle conveying mesh belt and the head end of the lowermost conveying mesh belt.
6. The novel biomass or sludge particle drying device as claimed in claim 4, wherein: the conveying mesh belt comprises a driving roller, a driven roller and an annular mesh belt, the annular mesh belt is sleeved on the driving roller and the driven roller, and the driving roller is connected with a variable-frequency speed-regulating motor.
7. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the precooling heat exchanger is a plate-fin compact heat exchanger.
8. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the condensation dehumidifier is a tube-fin structure condensation dehumidifier.
9. The novel biomass or sludge particle drying device as claimed in claim 1, wherein: the hot air heater is a tube fin type heat exchanger.
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| CN201921630769.6U CN210569818U (en) | 2019-09-27 | 2019-09-27 | Novel biomass or sludge particle drying device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111569344A (en) * | 2020-05-28 | 2020-08-25 | 青岛理工大学 | Circulating drying device, fire hose drying system and method |
| CN111854381A (en) * | 2020-08-04 | 2020-10-30 | 平顶山学院 | Waterwheel type ceramic forming and drying device |
| CN112146355A (en) * | 2020-09-22 | 2020-12-29 | 施美 | Low temperature sludge drying-machine of high-efficient environmental protection |
| CN115371392A (en) * | 2022-08-31 | 2022-11-22 | 浙江工业大学 | Energy-saving drying machine capable of automatically spreading and turning materials evenly |
| CN116750942A (en) * | 2023-08-07 | 2023-09-15 | 河北工程大学 | Low-temperature sludge (coal slime) drying process |
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- 2019-09-27 CN CN201921630769.6U patent/CN210569818U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569344A (en) * | 2020-05-28 | 2020-08-25 | 青岛理工大学 | Circulating drying device, fire hose drying system and method |
| CN111854381A (en) * | 2020-08-04 | 2020-10-30 | 平顶山学院 | Waterwheel type ceramic forming and drying device |
| CN112146355A (en) * | 2020-09-22 | 2020-12-29 | 施美 | Low temperature sludge drying-machine of high-efficient environmental protection |
| CN115371392A (en) * | 2022-08-31 | 2022-11-22 | 浙江工业大学 | Energy-saving drying machine capable of automatically spreading and turning materials evenly |
| CN116750942A (en) * | 2023-08-07 | 2023-09-15 | 河北工程大学 | Low-temperature sludge (coal slime) drying process |
| CN116750942B (en) * | 2023-08-07 | 2024-03-08 | 河北工程大学 | Low-temperature sludge (coal slime) drying process |
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