Disclosure of Invention
The invention provides an electrothermal blowing constant-temperature drying device for composite material production, which solves the problems of slow internal temperature circulation and temperature control
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric heating blast constant-temperature drying device for composite material production comprises a heat insulation shell, wherein a drying bin is arranged on one side of the inner wall of the heat insulation shell, a sealing cover is fixedly connected to the outer side of the drying bin through a hinge, and a heat insulation equipment cavity is arranged on the other side of the inner wall of the heat insulation shell; the electric heaters are arranged on the inner wall of the top end and the inner wall of the bottom end of the drying bin and are used for heating the interior of the drying bin; the air flue partition plates are arranged on the outer walls of the end parts of the drying bins, the electric heaters are arranged on the inner sides of the air flue partition plates, and air holes distributed in a matrix form are formed in the end parts of the air flue partition plates; the air blower is arranged on the inner wall of the heat insulation equipment cavity, the end part of the air blower is connected with an air delivery pipe, and the end part of the air delivery pipe is communicated with the inner side of the air passage partition plate; the temperature control panel is arranged on the outer side wall of the heat insulation equipment cavity, is electrically connected with the electric heater and the blower and is used for recording and setting the working temperature of the equipment; the temperature control plate is arranged on the inner wall of the heat insulation equipment cavity, and the temperature control plate is connected with the temperature control panel through a lead; the tray frame is arranged between the opposite sides of the air flue clapboards at the two sides, a sliding groove is formed in the inner wall of the tray frame, and a drying tray is inserted into the inner wall of the sliding groove; the temperature sensors are arranged on the inner walls of the two sides of the drying bin, and the signal ends of the temperature sensors are electrically connected with the temperature control plate; the thermometer is vertically inserted in the middle of the outer wall of the top of the heat insulation shell and is used for detecting the temperature of the drying bin body in the heat insulation shell; and the exhaust valve is arranged on the inner wall of the top end of the drying bin and is used for circulating the gas in the drying bin.
As a further scheme of the invention, the back of the heat insulation shell is provided with an on-off switch, and the on-off switch is connected with the blower and the electric heater through leads.
As a further scheme of the invention, one side of the outer wall of the heat insulation shell, which is close to the on-off switch, is provided with a fan air outlet, and the side wall air exchange port of the air blower is communicated with the fan air outlet.
As a further scheme of the invention, the lower circulating fans are arranged on the inner walls of the two sides of the air passage partition plate positioned on the lower side, and the lower circulating fans are electrically connected with the temperature control plate.
As a further scheme of the invention, an electromagnetic lock is arranged at the joint of the outer edge of the sealing cover and the outer edge of the heat insulation shell, an observation window is arranged in the middle of the outer wall of the sealing cover, and a heat insulation layer is arranged at the end part of the sealing cover.
As a further scheme of the invention, the outer wall of the temperature control panel is provided with a data interface, a digital display screen and a plurality of control buttons, and each control button comprises an SET key, two control keys and a timing key.
As a further scheme of the invention, the bottom side of the drying tray is provided with a micro air hole, and the outer wall of the micro air hole is provided with a gauze partition plate.
As a further scheme of the invention, the air passage partition plate is of an arch bridge-shaped structure, and spoilers are horizontally arranged on two sides of the air passage partition plate.
As a further scheme of the invention, supporting legs are arranged at four corners of the bottom end of the heat insulation shell.
As a further scheme of the invention, one side of the temperature control plate is connected with a power line through a lead, and the outer wall of the power line penetrates through the inner wall of the bottom side of the heat insulation shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric heating blowing constant-temperature drying device is characterized in that an opposite blower and an electric heater are arranged on one side, so that the upper side and the lower side can be used for quickly heating and hot air circulation during heating, the internal gas circulation is improved, the internal opposite air channels can be used during constant-temperature dewatering, hot air works on the upper side and the lower side are used, a tray is positioned in a hot air gathering area, the water vapor carrying-away effect can be improved, moisture is quickly discharged by using an exhaust valve, and the dewatering effect in the production process of the composite material is improved;
2. the electric heating blowing constant-temperature drying device realizes the respective temperature monitoring of the bin body and the hot air duct, controls the working efficiency of the electric heating plate and the blower by utilizing the temperature sensor, and can save energy consumption while raising the hot air temperature and circularly maintaining constant temperature by matching;
3. still be equipped with down among this electric heat blast air constant temperature drying device and circulate the fan, use when auxiliary gas circulation and exhaust, after drying equipment closes simultaneously, usable auxiliary gas plays supplementary rapid cooling's effect to its internal heat dissipation in storehouse, is convenient for carry out the constant temperature operation of different temperatures.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to FIGS. 1-8: an electrothermal blowing constant-temperature drying device for composite material production comprises a heat insulation shell 1, wherein a heat insulation layer is arranged on the inner side of the heat insulation shell 1 and used for blocking heat exchange between the inner side and the outer side of the shell, the heat insulation performance of the shell is improved, meanwhile, a drying bin 12 is arranged on one side of the inner wall of the heat insulation shell 1, a sealing cover 5 is fixedly connected to the outer edge of a drying bin 13 through a hinge, an observation window 6 is arranged in the middle of the outer wall of the sealing cover 5, the heat insulation layer is arranged at the end part of the sealing cover 5, an electromagnetic lock is arranged at the joint of the outer edge of the sealing cover 5 and the outer edge of the heat insulation shell 1, the electromagnetic lock is automatically closed and prohibited to be opened when in work, the safety is improved, supporting legs 2 are arranged at four corners of the bottom end of the heat insulation shell 1, the supporting legs 2 can be made of rubber and used for shock absorption and support, and a heat insulation equipment cavity is arranged on the other side of the inner wall of the heat insulation shell 1; the back of the heat insulation shell 1 is provided with an on-off switch 10, and the on-off switch 10 is connected with the blower 17 and the electric heater 16 through leads;
the electric heaters 16 are arranged on the inner walls of the top end and the bottom end of the drying bin 12, and the electric heaters 16 are used for heating the interior of the drying bin 12; the electric heater 16 comprises a shell, an electric heating pipe and an over-temperature protector, wherein the electric heating pipe and the over-temperature protector are distributed on the outer wall of the shell and are connected through a lead;
the air flue partition plate 13 is arranged on the outer wall of the end part of the drying bin 12, the electric heaters 16 are arranged on the inner side of the air flue partition plate 13, the air flue partition plate 13 is of an arch bridge-shaped structure, and spoilers are horizontally arranged on two sides of the air flue partition plate 13; or the air flue partition plate 13 is an arc arch bridge, the inner side of the partition plate is arc-shaped, and a hemispherical hot air outlet can be formed; the end parts of the air flue partition plates 13 are all provided with air holes distributed in a matrix manner; wherein, the inner walls of both sides of the air flue partition plate 13 positioned at the lower side are provided with lower circulating fans 15, and the lower circulating fans 15 are electrically connected with the temperature control plate 19;
the blower 17 is arranged on the inner wall of the heat insulation equipment cavity, the end part of the blower 17 is connected with an air delivery pipe, and the end part of the air delivery pipe is communicated with the inner side of the air flue partition plate 13; a fan air outlet 9 is formed in one side, close to the opening and closing switch 10, of the outer wall of the heat insulation shell 17, and the side wall air exchange port of the air blower 17 is communicated with the fan air outlet 9;
the temperature control panel 3 is arranged on the outer side wall of the heat insulation equipment cavity, the temperature control panel 3 is electrically connected with the electric heater 16 and the blower 17, and the temperature control panel 3 is used for recording and setting the working temperature of the equipment; the temperature control plate 19 is arranged on the inner wall of the heat insulation equipment cavity, and the temperature control plate 19 is connected with the temperature control panel 3 through a lead; one side of the temperature control plate 19 is connected with a power line 4 through a lead, and the outer wall of the power line 4 penetrates through the inner wall of the bottom side of the heat insulation shell 1; the outer wall of the temperature control panel 3 is provided with a data interface 31, a digital display screen 32 and a plurality of control buttons 33, each control button 33 comprises an SET key, two adjusting keys and a timing key, the SET key is used for resetting and adjusting the basic temperature, the adjusting keys are used for changing the temperature value, and the timing keys are used for timing the drying and drying time length, so that the drying and drying time length can be conveniently preset without observation and start and stop;
the tray frame 14 is arranged between the opposite sides of the air flue clapboards 13 at the two sides, the inner wall of the tray frame 14 is provided with a sliding chute, and the inner wall of the sliding chute is inserted with the drying tray 11; the bottom side of the drying tray 11 is provided with a micro air hole, and the outer wall of the micro air hole is provided with a gauze partition plate;
the temperature sensors 18 are arranged on the inner walls of the two sides of the drying bin 12, the signal ends of the temperature sensors 18 are electrically connected with the temperature control plate 19, and the type of the temperature sensors 18 is BM 100;
the thermometer 7 is vertically inserted in the middle of the outer wall of the top of the heat insulation shell 1, the thermometer 7 is used for detecting the temperature of the bin body of the drying bin 12 in the heat insulation shell 1, the thermometer 7 is a probe type electronic thermometer, and the measuring range of the probe type electronic thermometer is 10-300 ℃;
discharge valve 8, discharge valve 8 locate on the top inner wall of dry storehouse 12, and discharge valve 8 is used for the inside gas of dry storehouse 12 of circulation.
The specific working principle is as follows:
firstly, pressing an SET key to reset, enabling the temperature in the bin body to be recovered to normal temperature when the bin body is unloaded, then presetting the temperature, closing a sealing cover 5, pressing an opening and closing switch 10, starting an air blower 17 and an electric heater 16 at the bottom side to heat the interior of a heat insulation shell 1, adjusting the preset initial temperature on a temperature control panel 31, discharging cold air in the bin body from an exhaust valve 8 at the top after the temperature is raised to the initial temperature, opening the bin body, uniformly paving a composite material on a drying tray 11, pushing the composite material onto a tray frame 14, closing the sealing cover 5 and reaching the drying temperature;
secondly, during work, the hot air is continuously heated by the air blowers 17 and the electric heaters 16 on the upper side and the lower side, and meanwhile, the hot air is circulated to the drying tray 11 under the driving of the lower circulating fan 15 at the bottom, so that moisture is quickly removed, and formed water vapor overflows through the exhaust valve 8;
thirdly, after the composite material is dried for a preset time, the air blower 17 and the electric heater 16 are turned off, the lower circulating fan 15 inside the composite material works to take away the residual heat and the redundant water vapor, the dried composite material is taken out to detect the dry humidity, if the composite material is qualified, the composite material is discharged, and if the composite material is not qualified, the composite material needs to be dried for a certain time until the composite material is qualified.
Example 2
Referring to FIGS. 9-10: an electrothermal blowing constant-temperature drying device for composite material production is disclosed, in this embodiment, relative to embodiment 1, the device mainly has the difference that in this embodiment, the device further comprises a tray assembly 20 and a driving motor 21, the outer wall of the bottom end of the driving motor 21 is fixedly connected to the inner side wall of an air passage partition plate 13 at the bottom, an output shaft of the driving motor 21 is connected to the outer wall of the bottom end of the tray assembly 20, the driving motor 21 drives the tray assembly 20 to be positioned on the inner wall of a drying bin 12 to realize rotary drying, contact between air flow and hot air at the circumference of the composite material per se is improved, and heat exchange and water vapor discharge effects are improved;
the tray assembly 20 comprises a tray frame 202 and a fan-shaped supporting plate 201, sliding grooves are formed in the inner walls of the two sides of the tray frame 202, the outer walls of the two sides of the fan-shaped supporting plate 201 are connected to the inner walls of the sliding grooves in a sliding mode, and the fan-shaped supporting plate 201 is identical to the drying tray 11 in structure
According to the invention, through the tray structure with self circulation, the tray body can rotate at a low speed, and the composite material can be matched with circulating hot air under the condition that the distribution of the composite material on the tray body is not influenced, so that the efficiency of discharging hot air and water vapor is improved, the drying efficiency of the constant-temperature drying device is further improved, the longitudinal laying area of the composite material can be increased, and the contact hot air area of the composite material is increased.
Example 3
The utility model provides an electric heat blast air constant temperature drying device for combined material production, relative to embodiment 2 in this embodiment, the main difference lies in this embodiment, establish the tray subassembly 20 of laying the level therein into splint formula vertical tray subassembly, vertical tray subassembly includes tray and clamp plate, the terminal surface of clamp plate is equipped with the moisture absorption gauze, and the inner wall of clamp plate is equipped with L type drainage channel, moisture in the combined material passes through the moisture absorption gauze migration, simultaneously discharges through L nature drainage channel, inside hot-blast carries out the exchange between heat and moisture content through the channel input between the gauze.
The side end face of the vertical tray component is vertically inserted into the tray fixing frame body, wherein the side wall of the tray fixing prosthesis is a sleeve body, and the vertical tray component is vertically inserted into the inner wall of the sleeve body;
the centrifugal dewatering can be realized by rotating the motor at a high speed, and the further dewatering efficiency and dewatering effect can be improved by matching with hot air.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.