CN210463906U - Two side heating multi-temperature-zone intelligence drying-machine - Google Patents
Two side heating multi-temperature-zone intelligence drying-machine Download PDFInfo
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- CN210463906U CN210463906U CN201921147982.1U CN201921147982U CN210463906U CN 210463906 U CN210463906 U CN 210463906U CN 201921147982 U CN201921147982 U CN 201921147982U CN 210463906 U CN210463906 U CN 210463906U
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Abstract
The utility model relates to a two side heating multi-temperature-zone intelligence drying-machines for dry grain crop and various mountain goods, traditional chinese medicine. The device comprises a feeding system, a heating system, an air supply system, a moisture discharge system, a transmission system and a box body, wherein the feeding system comprises a feeding hole, a discharging hole, a feeding hole mechanical discharger, a discharging hole mechanical discharger, an automatic discharging control device, an automatic feeding control device and the like; the heating system comprises a boiler, a heater, a heating oil connecting pipe, an oil return pipe, an oil way automatic control device, an oil inlet distributor, an oil return distributor, a temperature sensor inlet, a heat exchanger pipe, a distributor inlet valve, a distributor outlet valve, a front heating zone, a rear heating zone and the like; an automatic air supply control device, a hot air blower and the like of the air supply system are arranged in front of the heating system. The invention has simple structure, easy manufacture, energy saving and fast drying speed, realizes fast drying of materials according to the requirements, and has no oxidation, no energy waste and no excessive drying.
Description
Technical Field
The invention belongs to the technical field of food drying, and particularly relates to a bilateral heating multi-temperature-zone intelligent dryer.
Background
In the world of China, food is large in yield and does not have a large enough airing field in a main production area, if the temperature and humidity in the environment of the food meets the growth and reproduction conditions of microorganisms, the food in a large batch can mildew, and if the food meets cloudy and rainy days during purchasing, the mildew probability is higher; in addition, even if the grain with the standard moisture content is put in storage, the moisture content is safe, the grain is naturally damp, and the grain needs to be aired regularly to ensure that the grain is not mildewed.
In the technical field of drying, a vertical tower for drying grains consumes a large amount of power, consumes a large amount of standard coal daily, and has dense smoke rolling and gas turning during working, and meanwhile, the smoke emission season in the heating period of rural areas in the north is the same in the grain drying season, so the smoke emission of the drying tower causes superimposed pollution of smoke.
Hot air heating formula or direct heating drying-machine are equipped with the heater in inside, dry, but this type of drying-machine hot air heating inefficiency, and heat energy loss is big, and it is big to consume the electric energy, can not make large-scale drying-machine, and hot-blast only a temperature can not realize the temperature variation, is not suitable for large-scale grain to dry, and this kind of drying equipment can not remove in addition, and is inconvenient in the use. Although the problems are solved for the existing improved technology, materials are dried by chain plates in the drying process, and the temperature change is realized when the materials pass through each layer of chain plates, the dryer has the advantages that the heating pipes are fully distributed among the chain plates, so that the manufacturing difficulty and the construction difficulty are high, the mass is high, the movement is difficult, the automatic temperature and humidity control cannot be realized, and the feeding and discharging are automatically controlled, therefore, the research on the dryer which is low in manufacturing cost, automatically controlled, energy-saving and environment-friendly, small in size, good in drying effect and simple and convenient to operate and has an important significance in recycling energy materials is realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an intelligent dryer with double-side heating and multiple temperature zones.
The double-side heating multi-temperature-zone intelligent dryer is a device which utilizes various fuels as heating energy substances, can select biomass, fuel oil, fuel gas, coal and the like, utilizes a heat conducting medium as a medium for heat transfer, and conveys the heat conducting medium to a drying heater through a pump and a pipeline for heating and drying materials to be dried, realizes automatic control and multi-temperature-zone intelligent drying by using a microcomputer, a touch screen and PLC control, and can dry grain crops, various mountain goods and traditional Chinese medicines, such as mushrooms, agarics and the like.
The technical problem is solved by the following technical scheme. The double-side heating multi-temperature-zone intelligent dryer comprises a feeding system, a heating system, an air supply system, a moisture discharge system, a transmission system and a box body.
The box body is a cuboid and comprises a box body front surface and a box body rear surface.
The feeding system comprises a feeding hole, a discharging hole, a feeding hole mechanical discharger, a discharging hole mechanical discharger, an automatic discharging control device, an automatic feeding control device and the like. The feeding port is arranged on the left side above the box body, and the automatic feeding control device is arranged in the box body below the feeding port and is connected with the mechanical discharging device of the feeding port, so that the opening and closing of the mechanical discharging device of the feeding port are automatically controlled according to the amount of dry materials in the box body; the discharge gate sets up ejection of compact automatic control device in the inside bottom of discharge gate left side box on box below right side, and it links to each other with discharge gate mechanical discharger, according to the dry condition of material in the box, whether dry material water content accords with the standard and opening and shutting of automatic control discharge gate mechanical discharger.
The heating system comprises a boiler, a heater, a heating oil connecting pipe, an oil return pipe, an oil way automatic control device, an oil inlet distributor, an oil return distributor, a temperature sensor inlet, a heat exchanger pipe, a distributor inlet valve, a distributor outlet valve, a front heating area, a rear heating area and the like.
The front heating zone is arranged on the left side of the front of the box body and is formed by connecting a plurality of heat exchanger tubes in parallel, the front heating zone is formed by connecting a plurality of groups of heat exchanger tubes in parallel, the area of the front heating zone is 0.25-0.5 times of the area of the front of the box body, the rear heating zone is arranged on the left side of the rear of the box body and is formed by connecting a plurality of groups of heat exchanger tubes in parallel, and the area of the rear heating zone is 0.25-0.5 times of. The front heating zone and the rear heating zone are respectively arranged in front of and behind the box body and are arranged oppositely, alternately and parallelly.
The number of the heat exchanger tubes of the front heating area and the rear heating area can be set to be different, and then the temperature of the two areas can be adjusted by utilizing different flow and flow speed of the heating medium. The temperature of the heating area is made to present different temperature gradients from top to bottom and from left to right.
The boiler is arranged outside the box body, a heater is arranged in the boiler, the heat exchanger pipes are arranged in the box body, and a plurality of the heat exchanger pipes are connected in parallel to form a group and are arranged in a plurality of groups. One end of the heat exchanger pipe is connected with the distributor inlet valve, the other end of the heat exchanger pipe is connected with the distributor outlet valve, one end of the distributor inlet valve is connected with the heating oil connecting pipe, and the heating oil connecting pipe is connected to the oil path automatic control device. The oil circuit automatic control device is connected with the oil inlet distributor, the oil return distributor and the temperature sensor, one end of the oil return pipe is connected with the oil return distributor, the other end of the oil return pipe is connected with the heater, a heating medium which is output from an outlet valve of the distributor is conveyed into the heater through the pump, and waste heat is recycled and continuously heated.
The distributor inlet valve is connected with the oil inlet distributor, the distributor outlet valve is connected with the oil return distributor, and the oil path automatic control device controls the distributor inlet valve and the distributor outlet valve to open and close according to temperature signals transmitted by the temperature sensor, so that the temperature in the box body is controlled.
The temperature sensor goes deep into the box from the temperature sensor import, and the temperature sensor import sets up on the panel in the front of the box or box back, between the link joint, sets up a plurality of temperature sensor imports, and every temperature sensor import can set up 1 temperature sensor.
The air supply system comprises an automatic air supply control device, a hot air inlet, an air return connecting pipe, an air heater, an air outlet pipe of the air heater and a fan connecting pipe. The automatic air supply control device, the air heater and the like of the air supply system are arranged in front of the heating system and outside the box body, and the outlet air of the air supply system flows through the heater pipes and enters the box body after being heated. The automatic air supply control device can adjust the rotating speed of the fan according to the temperature and the humidity so as to control the amount of hot air in the box body.
The hot air blower of the air supply system can be arranged in 1 or more than one according to the size of the drying box or the drying load, a plurality of hot air inlets are arranged in the front of the box body, 1 long air return opening is arranged at the lower part in the front of the box body, and the air return opening is connected with the air inlet of the hot air blower through an air return connecting pipe so that the air with residual heat in the box body flows back; if a plurality of air heaters are arranged, the air heaters can be connected in series through the fan connecting pipe, after hot air flowing back from the air return inlet enters the air heater closest to the air return inlet, the hot air enters the next air heater through the fan connecting pipe, and the air outlet pipe of the air heater is connected to the heater, so that the hot air in the air heaters enters the heater to be heated. The air supply system blows heated air in the heater, and the heated air enters the box body through the hot air inlet.
The transmission system comprises chain plates, a conveyor and the like, wherein a plurality of layers of drying chain plates are arranged in the box body, the chain plates are arranged between the front heating area and the rear heating area, two ends of each layer of drying chain plate are arranged in a step shape, and drying materials on the upper layer of chain plate automatically fall onto the lower layer of chain plate. The automatic feeding control device in the feeding system comprises a valve opening degree control device which can adjust the feeding speed and the operating speed of a box body inner chain plate, a feeding port mechanical discharger and a discharging port mechanical discharger and a control oil inlet distributor, so that the temperature in the drying box is adjusted, and an automatic operating program is set.
The moisture removing system comprises a moisture removing port, a moisture removing fan, an automatic moisture removing control device, a humidity sensor inlet and the like. Arrange the wet mouth and set up on box top right side, link to each other with row's damp automatic control device, the humidity transducer import is established at the box preceding or the box at the back, humidity transducer stretches into and fixes by the humidity transducer import, the humidity transducer import sets up on the preceding or the rear panel of box, the humidity signal transmission that humidity transducer accepted is for arranging damp automatic control device, arrange opening and shutting of damp fan according to the interior humidity size adjustment of box of damp automatic control system to humidity in the control box.
The automatic discharging control device, the automatic moisture discharging control device, the automatic air supply control device and the automatic feeding control device realize linkage control, and the humidity, the temperature, the feeding, the discharging and the moisture discharging are all automatically controlled by PLC according to set indexes. Through humidity test material water content, when material water content reaches predetermined index, open discharge gate mechanical material discharging ware, unload. If the preset index is not reached, the temperature control is started, the flow of the heating medium is adjusted, the feeding amount is controlled, and the rapid drying of the material is realized. And discharging the water vapor generated by the material through a moisture discharging system.
The dried material needs a specific temperature, cannot change chemical components, and needs to have good appearance and color. The invention heats at two sides, has low manufacturing cost, easy processing, adjustable temperature and easy control; through quantity control and heating medium flow control of heat exchanger pipe, make preceding zone of heating and back zone of heating produce high temperature as required, make left side, centre, right side, upper portion, lower part in the box produce the difference in temperature simultaneously, five positions in the box produce different temperatures, realize the material fast drying as required, do not oxidize, do not waste the energy, do not excessively dry. The designed multi-temperature zone temperature selects the drying temperature according to the requirement, thereby avoiding the situation that the materials are dried all the time at high temperature to cause scorching or waste heat source and causing poor appearance and color of the dried materials. Therefore, the invention can realize that the drying object enters the drying areas with different temperatures according to the different water contents of the drying object in the drying process, thereby saving energy and ensuring the quality of the drying object. The temperature of the multi-temperature zone in the drying box is realized through the structural design as above:
the high-temperature medium output by the boiler is conveyed to the oil inlet distributor through the high-temperature pipe, and is distributed to the heat exchanger pipe through the oil inlet distributor. After the heat exchanger tubes are combined, the heat exchanger tubes occupy a part of the area in front of or behind the box body from the left side and are arranged in a staggered manner, so that the temperature of materials on the chain plate is distributed from high at two sides to low at the middle, and the temperature in the box body is different in temperature gradient from top to bottom by arranging different groups of heat exchanger tubes.
Because the moisture-removing steam has a certain temperature, the heat energy loss caused by direct removal is avoided, and the waste heat energy substances are further wasted. Therefore, a waste heat recovery device is designed. This part of the structure is designed to work in the following way.
The moisture discharged during the work is conveyed to the three-way converging pipe of the boiler tail gas pipeline through the moisture discharge pipe by the moisture discharge fan, the moisture is mixed with the boiler tail gas discharged by the smoke dust fan and enters the smoke dust treatment waste heat recovery exchanger, the heat exchange is carried out on the external cold air through the recovery exchanger, and the obtained hot air enters the drying box through the hot air inlet and continues to participate in the drying process.
Because the moisture and the tail gas have high temperature, the heat energy can be recovered for the second time and recycled, thereby greatly reducing the heat consumption and improving the working efficiency.
The invention has simple structure, easy manufacture, energy saving and fast drying speed, realizes fast drying of materials according to the requirements, and has no oxidation, no energy waste and no excessive drying.
Drawings
FIG. 1 is a schematic front view of the present invention; FIG. 2 is a front view of the case of the present invention; FIG. 3 is a schematic view of the back side structure of the present invention; FIG. 4 is a rear view of the case of the present invention; FIG. 5 is a schematic view of a connecting structure of a single hot air blower according to the present invention; FIG. 6 is a schematic view of a connection structure of a plurality of hot air blowers according to the present invention.
The figure is as follows:
1 feeding inlet, 2 discharging outlet, 3 moisture discharging outlet, 4 heater, 5 heating oil connecting pipe, 6 oil return pipe, 7 discharging automatic control device, 8 moisture discharging automatic control device, 9 oil way automatic control device, 10 oil inlet distributor, 11 oil return distributor, 12 air supply automatic control device, 13 hot air inlet, 14 feeding automatic control device, 15 temperature sensor, 16 chain plate, 17 humidity sensor, 18 air return inlet, 19 temperature sensor inlet, 20 humidity sensor inlet, 21 heat exchanger pipe, 22 distributor inlet valve, 23 distributor outlet valve, 24 box front, 25 box back, 26 front heating zone, 27 back heating zone, 28 feeding inlet mechanical discharger, 29 discharging outlet mechanical discharger, 30 moisture discharging fan, 31 box, 32 air return connecting pipe, 33 hot air fan, 34 hot air fan outlet pipe, 35 fan connecting pipe.
Detailed Description
The first implementation mode comprises the following steps:
the double-side heating multi-temperature-zone intelligent dryer is a device which utilizes various fuels as heating energy substances, can select biomass, fuel oil, fuel gas, coal and the like, utilizes a heat conducting medium as a medium for heat transfer, and conveys the heat conducting medium to a drying heater through a pump and a pipeline for heating and drying materials to be dried, realizes automatic control and multi-temperature-zone intelligent drying by using a microcomputer, a touch screen and PLC control, and can dry grain crops, various mountain goods and traditional Chinese medicines, such as mushrooms, agarics and the like.
As shown in fig. 1-6, the intelligent dryer with double-side heating and multiple temperature zones comprises a feeding system, a heating system, an air supply system, a moisture discharge system, a transmission system and a box body.
The box 31 is a rectangular parallelepiped, and includes a box front 24 and a box rear 25.
The feeding system comprises a feeding port 1, a discharging port 2, a feeding port mechanical discharger 28, a discharging port mechanical discharger 29, an automatic discharging control device 7, an automatic feeding control device 14 and the like. The feeding port 1 is arranged at the left side above the box body, the feeding automatic control device 14 is arranged in the box body below the feeding port 1 and is connected with the feeding port mechanical discharger 28, and the opening and closing of the feeding port mechanical discharger 28 are automatically controlled according to the amount of dry materials in the box body; discharge gate 2 sets up ejection of compact automatic control device 7 in the inside bottom of discharge gate left side box on box below right side, and it links to each other with discharge gate mechanical discharger 29, and according to the dry condition of material in the box, whether dry material water content accords with the standard and automatic control discharge gate mechanical discharger 29 opens and shuts.
The heating system comprises a boiler, a heater 4, a heating oil connecting pipe 5, an oil return pipe 6, an oil path automatic control device 9, an oil inlet distributor 10, an oil return distributor 11, a temperature sensor 15, a temperature sensor inlet 19, a heat exchanger pipe 21, a distributor inlet valve 22, a distributor outlet valve 23, a front heating area 26, a rear heating area 27 and the like.
The front heating zone 26 is arranged on the left side of the front of the box body and is formed by connecting a plurality of heat exchanger tubes 21 in parallel, the front heating zone 26 is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, the area of the front heating zone 26 is 0.25 times of the area of the front of the box body, the rear heating zone 27 is arranged on the left side of the rear of the box body and is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, and the area of the rear heating zone 27 is 0.25 times of the. The front heating area 26 and the rear heating area 27 are respectively arranged on the front surface 24 of the box body and the rear surface 25 of the box body and are arranged oppositely, alternately and parallelly.
The number of the heat exchanger tubes 21 of the front heating zone 26 and the rear heating zone 27 can be set to be different, and the temperature of the two zones can be adjusted by using different flow rates and flow rates of the heating medium. The temperature of the heating area is made to present different temperature gradients from top to bottom and from left to right.
The boiler is arranged outside the box body, the heater 4 is arranged in the boiler, the heat exchanger tubes 21 are arranged in the box body, and a plurality of the heat exchanger tubes are connected in parallel to form a group and are arranged in a plurality of groups. One end of the heat exchanger pipe 21 is connected with a distributor inlet valve 22, the other end is connected with a distributor outlet valve 23, one end of the distributor inlet valve 22 is connected with a heating oil connecting pipe 5, and the heating oil connecting pipe 5 is connected to the oil circuit automatic control device 9. The oil circuit automatic control device 9 is connected with the oil inlet distributor 10, the oil return distributor 11 and the temperature sensor 15, one end of the oil return pipe 6 is connected with the oil return distributor 11, the other end of the oil return pipe is connected with the heater 4, the heating medium which is output through the distributor outlet valve 23 is conveyed into the heater 4 through the pump, and the waste heat is recycled and continuously heated.
The distributor inlet valve 22 is connected with the oil inlet distributor 10, the distributor outlet valve 23 is connected with the oil return distributor 11, and the oil circuit automatic control device 9 controls the distributor inlet valve 22 and the distributor outlet valve 23 to open and close according to the temperature signals transmitted by the temperature sensor 15, so that the temperature in the box body is controlled.
The temperature sensor 15 extends into the box body from a temperature sensor inlet 19, the temperature sensor inlet 19 is arranged on a panel at the front 24 or the back 25 of the box body, a plurality of temperature sensor inlets 19 are arranged between chain plates 16, and each temperature sensor inlet 19 can be provided with 1 temperature sensor 1.
The air supply system comprises an automatic air supply control device 12, a hot air inlet 13, an air return inlet 18, an air return connecting pipe 32, an air heater 33, an air outlet pipe 34 of the air heater and a fan connecting pipe 35. The automatic air supply control device 12, the air heater 33 and the like of the air supply system are arranged in front of the heating system and outside the box body, and the outlet air of the air supply system flows through the heater pipes and enters the box body after being heated. The automatic air supply control device 12 can adjust the rotating speed of the fan according to the temperature and the humidity so as to control the amount of hot air in the box body.
The hot air blower 33 of the air supply system can be set to be 1 or more according to the size of the drying box or the drying load, a plurality of hot air inlets 13 are arranged in the front of the box body, 1 long air return inlet 18 is arranged at the lower part in the front of the box body, the air return inlet 18 is connected with an air inlet of the hot air blower 33 through an air return connecting pipe 32, so that the air with residual heat in the box body flows back; if a plurality of air heaters 33 are arranged, the air heaters 33 can be connected in series through a fan connecting pipe 35, after hot air flowing back from the air return opening 18 enters the air heater 33 closest to the air return opening 18, the hot air enters the next air heater 33 through the fan connecting pipe 35, an air outlet pipe 34 of the air heater is connected to the heater 4, and the hot air in the air heaters enters the heater 4 to be heated. The air supply system blows heated air from the heater through the hot air inlet 13 into the box 31.
The transmission system comprises chain plates 16, a conveyor and the like, a plurality of layers of drying chain plates 16 are arranged in the box body, the chain plates 16 are arranged between a front heating area 26 and a rear heating area 27, two ends of each layer of drying chain plates 16 are arranged in a step shape, and drying materials on the upper layer of chain plates 16 automatically drop onto the lower layer of chain plates 16. The automatic feeding control device 14 in the feeding system comprises a mechanical discharger 28 of a feeding port and a mechanical discharger 29 of a discharging port, which can adjust the feeding speed and the running speed of a chain plate 16 in a box body, control the opening degree of valves of the mechanical discharger 29 of the feeding port and control the oil inlet distributor 10, thereby adjusting the temperature in the drying box and setting an automatic running program.
The moisture removing system comprises a moisture removing port 3, a moisture removing fan 30, an automatic moisture removing control device 8, a humidity sensor 17, a humidity sensor inlet 20 and the like. Arrange damp mouth 3 and set up on box top right side, link to each other with row damp automatic control device 8, humidity transducer import 20 is established at the front 24 of box or box 25 at the back, humidity transducer 17 is stretched into and is fixed by humidity transducer import 20, humidity transducer import 20 sets up on the panel at the front 24 of box or box 25 at the back, humidity signal transmission that humidity transducer 17 accepted arranges damp automatic control device 8, arrange damp automatic control system and adjust the opening and shutting of row damp fan 30 according to the box internal humidity size, thereby humidity in the control box.
The automatic discharging control device 7, the automatic moisture discharging control device 8, the automatic air supply control device 12 and the automatic feeding control device 14 realize linkage control, and the humidity, the temperature, the feeding, the discharging and the moisture discharging are all automatically controlled by PLC according to set indexes. The moisture content of the material is tested through the humidity, and when the moisture content of the material reaches a preset index, the mechanical discharger 29 of the discharge port is opened to discharge the material. If the preset index is not reached, the temperature control is started, the flow of the heating medium is adjusted, the feeding amount is controlled, and the rapid drying of the material is realized. And discharging the water vapor generated by the material through a moisture discharging system.
The dried material needs a specific temperature, cannot change chemical components, and needs to have good appearance and color. The invention heats at two sides, has low manufacturing cost, easy processing, adjustable temperature and easy control; through quantity control and heating medium flow control of heat exchanger pipe 21, make preceding zone of heating 26 and back zone of heating 27 produce the high temperature as required, make left side, centre, right side, upper portion, lower part in the box produce the difference in temperature simultaneously, five positions in the box produce different temperatures, realize the material fast drying as required, do not oxidize, do not waste the energy, do not excessively dry. The designed multi-temperature zone temperature selects the drying temperature according to the requirement, thereby avoiding the situation that the materials are dried all the time at high temperature to cause scorching or waste heat source and causing poor appearance and color of the dried materials. Therefore, the invention can realize that the drying object enters the drying areas with different temperatures according to the different water contents of the drying object in the drying process, thereby saving energy and ensuring the quality of the drying object. The temperature of the multi-temperature zone in the drying box is realized through the structural design as above:
the high-temperature medium output by the boiler is conveyed through the high-temperature tubes to the feed distributor 10, through which it is distributed to the heat exchanger tubes 21. After the heat exchanger tubes 21 are combined, the combined heat exchanger tubes occupy a part of the area in front of or behind the box body from the left side and are arranged in a staggered manner, so that the temperature of materials on the chain plate is distributed from high at two sides to low at the middle, and the temperature in the box body is different in temperature gradient from top to bottom by arranging different groups of heat exchanger tubes.
Because the moisture-removing steam has a certain temperature, the heat energy loss caused by direct removal is avoided, and the waste heat energy substances are further wasted. Therefore, a waste heat recovery device is designed. The part of the structural design works in the following way:
the moisture discharged during the operation is conveyed to the three-way converging pipe of the boiler tail gas pipeline by the moisture exhaust fan 30 through the moisture exhaust pipe, the moisture is mixed with the boiler tail gas discharged by the smoke and dust fan and enters the smoke and dust treatment waste heat recovery exchanger, the heat exchange is carried out on the external cold air through the recovery exchanger, the obtained hot air enters the drying box through the hot air inlet and continues to participate in the drying process.
Because the moisture and the tail gas have high temperature, the heat energy can be recovered for the second time and recycled, thereby greatly reducing the heat consumption and improving the working efficiency.
The second embodiment:
in the first embodiment, the area of the front heating zone is increased to 0.5 times the area of the front surface of the cabinet, and the area of the rear heating zone is increased to 0.5 times the area of the rear surface of the cabinet. The front heating zone 26 is arranged on the left side of the front of the box body and is formed by connecting a plurality of heat exchanger tubes 21 in parallel, the front heating zone 26 is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, the area of the front heating zone 26 is 0.5 times of the area of the front of the box body, the rear heating zone 27 is arranged on the left side of the rear of the box body and is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, and the area of the rear heating zone 27 is 0.5 times of the. The front heating area 26 and the rear heating area 27 are respectively arranged on the front surface 24 of the box body and the rear surface 25 of the box body and are arranged oppositely, alternately and parallelly.
The third embodiment is as follows:
in the first embodiment, the area of the front heating zone is increased to 0.5 times of the area of the front surface of the cabinet, and the area of the rear heating zone is increased to 0.25 times of the area of the rear surface of the cabinet. The front heating zone 26 is arranged on the left side of the front of the box body and is formed by connecting a plurality of heat exchanger tubes 21 in parallel, the front heating zone 26 is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, the area of the front heating zone 26 is 0.5 times of the area of the front of the box body, the rear heating zone 27 is arranged on the left side of the rear of the box body and is formed by connecting a plurality of groups of heat exchanger tubes 21 in parallel, and the area of the rear heating zone 27 is 0.25 times of the. The front heating area 26 and the rear heating area 27 are respectively arranged on the front surface 24 of the box body and the rear surface 25 of the box body and are arranged oppositely, alternately and parallelly.
The fourth embodiment:
as shown in fig. 6, the number of the hot air blowers 33 is 9, the hot air blowers 33 are connected to each other through a blower connecting pipe 35, and the hot air outlet pipe 34 is connected to the heater 4, so that hot air is directly blown into the dryer box 31 through the hot air inlet 13.
Claims (8)
1. The utility model provides a two side heating multi-temperature-zone intelligence drying-machine which characterized in that: comprises a feeding system, a heating system, an air supply system, a moisture removal system, a transmission system and a box body; the box body is a cuboid and comprises a box body front surface and a box body rear surface; the feeding system comprises a feeding hole, a discharging hole, a feeding hole mechanical discharger, a discharging hole mechanical discharger, an automatic discharging control device, an automatic feeding control device and the like; the heating system comprises a boiler, a heater, a heating oil connecting pipe, an oil return pipe, an oil way automatic control device, an oil inlet distributor, an oil return distributor, a temperature sensor inlet, a heat exchanger pipe, a distributor inlet valve, a distributor outlet valve, a front heating zone, a rear heating zone and the like; the air supply system comprises an automatic air supply control device, a hot air inlet, an air return connecting pipe, an air heater, an air outlet pipe of the air heater and a fan connecting pipe; the conveying system comprises chain plates, a conveyor and the like, a plurality of layers of drying chain plates are arranged in the box body, the chain plates are arranged between the front heating area and the rear heating area, two ends of each layer of drying chain plate are arranged in a step shape, and drying materials on the upper layer of chain plate automatically fall onto the lower layer of chain plate; the moisture removing system comprises a moisture removing port, a moisture removing fan, an automatic moisture removing control device, a humidity sensor inlet and the like.
2. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: the feeding hole is arranged on the left side above the box body, and the automatic feeding control device is arranged in the box body below the feeding hole and is connected with the mechanical discharger of the feeding hole; the discharge port is arranged on the right side below the box body, and the bottom end inside the box body on the left side of the discharge port is provided with an automatic discharge control device which is connected with a mechanical discharger of the discharge port.
3. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: the front heating zone is arranged on the left side of the front of the box body and is formed by connecting a plurality of heat exchanger tubes in parallel, the front heating zone is formed by connecting a plurality of groups of heat exchanger tubes in parallel, the area of the front heating zone is 0.25-0.5 times of the area of the front of the box body, the rear heating zone is arranged on the left side of the rear of the box body and is formed by connecting a plurality of groups of heat exchanger tubes in parallel, and the area of the rear heating zone is 0.25-0.5 times of; the front heating area and the rear heating area are respectively arranged in front of and behind the box body and are arranged oppositely and parallelly.
4. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: the boiler is arranged outside the box body, a heater is arranged in the boiler, the heat exchanger pipes are arranged in the box body, and a plurality of the heat exchanger pipes are connected in parallel and are arranged in a plurality of groups; one end of the heat exchanger pipe is connected with the distributor inlet valve, the other end of the heat exchanger pipe is connected with the distributor outlet valve, one end of the distributor inlet valve is connected with the heating oil connecting pipe, and the heating oil connecting pipe is connected to the oil way automatic control device; the oil circuit automatic control device is connected with the oil inlet distributor, the oil return distributor and the temperature sensor, one end of the oil return pipe is connected with the oil return distributor, and the other end of the oil return pipe is connected with the heater; the distributor inlet valve is connected with the oil inlet distributor, and the distributor outlet valve is connected with the oil return distributor; the temperature sensor goes deep into the box from the temperature sensor import, and the temperature sensor import sets up on the panel in the front of the box or box back, between the link joint, sets up a plurality of temperature sensor imports, and every temperature sensor import sets up 1 temperature sensor.
5. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: the automatic air supply control device, the air heater and the like of the air supply system are arranged in front of the heating system and outside the box body, and the outlet air of the air supply system flows through the heater pipes and enters the box body after being heated.
6. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: the air heater of the air supply system is provided with 1 or more air heaters according to the size of the drying box or the drying load, a plurality of hot air inlets are arranged in front of the box body, 1 long air return inlet is arranged at the lower part in front of the box body, and the air return inlet is connected with the air inlet of the air heater through an air return connecting pipe.
7. The bilateral-heating multi-temperature-zone intelligent dryer according to claim 6, characterized in that: the air supply system is provided with a plurality of air heaters which are connected in series through a fan connecting pipe, and an air outlet pipe of each air heater is connected to the heater.
8. The double-side heating multi-temperature-zone intelligent dryer according to claim 1, characterized in that: arrange the wet mouth and set up on box top right side, link to each other with row's damp automatic control device, the humidity transducer import is established at the box preceding or the box at the back, humidity transducer stretches into and fixes by the humidity transducer import, the humidity transducer import sets up on the preceding or the rear panel of box, the humidity signal transmission that humidity transducer accepted is for arranging damp automatic control device, arrange opening and shutting of damp fan according to the interior humidity size adjustment of box of damp automatic control system to humidity in the control box.
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| CN201921147982.1U CN210463906U (en) | 2019-07-20 | 2019-07-20 | Two side heating multi-temperature-zone intelligence drying-machine |
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| CN201921147982.1U CN210463906U (en) | 2019-07-20 | 2019-07-20 | Two side heating multi-temperature-zone intelligence drying-machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285665A (en) * | 2019-07-20 | 2019-09-27 | 韩忠文 | A kind of Bilateral heating multi-temperature zone intelligence dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110285665A (en) * | 2019-07-20 | 2019-09-27 | 韩忠文 | A kind of Bilateral heating multi-temperature zone intelligence dryer |
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