CN207729917U - A kind of electromagnetic drying room - Google Patents

Abstract

The utility model belongs to the technical field of drying equipment and relates to an electromagnetic drying chamber. The drying chamber includes a chamber body, a partition, a dehumidification device, a heating device, a surface cooler, a high-temperature fan, an outlet thermal liquid pipe, an inlet thermal liquid pipe and a circulating pump, and the partition includes a first partition and a second partition. board, the dehumidification device includes internal moisture pipes, heat exchangers, dehumidification fans and external dehumidification pipes connected in sequence, and the heating device includes electromagnetic inductors, electromagnetic heating controllers, displays, three-phase short-circuit protection switches and three-phase four-wire Terminal block, electromagnetic inductor includes metal heating body, heat insulation layer and induction coil. Using this device, the principle of electromagnetic heating is used to heat the metal heating body and heat the heat-conducting medium, with less heat energy loss, energy saving, and high heat utilization rate; the design of air duct circulation and dehumidification device, precise temperature control, and high drying efficiency; through The thermal fluid is completely separated from the circuit, which is safe and environmentally friendly, and has a long service life.

Description

An electromagnetic drying chamber

technical field

The utility model belongs to the technical field of drying equipment and relates to an electromagnetic drying chamber, in particular to a drying chamber which is heated and dried by electromagnetic induction.

Background technique

Existing drying rooms often use coal or gas as a heating medium, and release heat through heat sinks, heat the air, and then dry objects; due to the lack of natural resources and the need for environmental protection, at the same time, coal or gas heating also There is a defect of low thermal efficiency, so this heating method has been gradually replaced by a heating method using energy-saving and efficient clean energy. In addition, hot and humid steam will be generated during the drying process of the object. These hot and humid steam must be processed through a specific waste heat recovery system in time, and finally the excess moisture will be discharged through the exhaust port of the dehumidification air duct, otherwise it will cause drying. Dry efficiency is low, resulting in unnecessary waste of resources.

Contents of the invention

The purpose of the utility model is to provide an electromagnetic drying chamber, which utilizes clean energy to heat the heat-conducting liquid and dry objects, and discharges moisture through a specific air channel, with high heat utilization rate and high drying efficiency.

The technical scheme that the utility model solves above-mentioned technical problem is:

An electromagnetic drying chamber, comprising a chamber body, a partition, a dehumidification device, a heating device, a surface cooler, a high-temperature fan, a thermal fluid outlet pipe, a thermal fluid inlet pipe, and a circulation pump; the chamber body is a square cavity structure, and the partition The plate is located inside the chamber, and the partition includes a first partition and a second partition connected to each other. The first partition is vertically arranged, and one end of the partition is connected to the bottom of the chamber, and the other end has a gap with the top of the chamber. The second partition is set horizontally, and there are gaps between its two ends and the left side wall and the right side wall of the chamber body; the dehumidification device includes an internal moisture pipe, a heat exchanger, a dehumidification fan and an external dehumidification device connected in sequence. The inner humidity pipe is located between the left side wall of the chamber and the first partition, the heat exchanger, the dehumidification fan and the outer dehumidification pipe are all located outside the chamber, and the heat exchange fins of the heat exchanger are placed vertically ;The heating device includes an electromagnetic inductor, an electromagnetic heating controller, a display, a three-phase short circuit protection switch and a three-phase four-wire terminal; the electromagnetic inductor includes a metal heating body, a heat insulation layer and an induction coil, and the heat insulation layer covers the metal heating Outside the body, the induction coil is wound outside the heat insulation layer; the display is assembled on the electromagnetic heating controller, the three-phase four-wire terminal block, the three-phase short-circuit protection switch and the input power of the electromagnetic heating controller are sequentially connected by communication, and the electromagnetic heating controller’s The output end is connected to the induction coil; the surface cooler, the high-temperature fan, and the first partition are arranged adjacently in sequence, and the number of high-temperature fans is at least two, and they are arranged side by side; The heat transfer liquid pipes are connected in sequence to form a closed circuit, the heat transfer liquid is filled in the closed circuit, and a circulating pump is arranged on the heat transfer liquid pipe.

Preferably, the heat transfer fluid is an aqueous solution of ethylene glycol with a concentration of 70% to 90%; the material of the pipeline of the surface cooler is copper; the heat insulation layer is at least 2 layers of nano-airgel blankets; the thickness of the heat insulation layer is 1.5 cm～2.0cm; the material of the induction coil is tinned copper; the material of the chamber body is one of polyurethane board and engineering plastic; the material of the partition is one of thermal insulation board, color steel plate, aluminum alloy and engineering plastic kind.

The beneficial effect of utilizing the electromagnetic drying chamber of the present utility model is:

(1) Energy saving and high heat utilization rate: the electromagnetic heating principle is used to heat the metal heating body and heat the heat conduction medium, with less heat energy loss, the heating efficiency is more than twice that of coal heating, the heating process is rapid, and the heat utilization rate is high; at the same time , using clean electric energy to solve the heating problem of the drying room, no pollution to the environment;

(2) Accurate temperature control and high drying efficiency; the design of the air duct circulation and moisture removal device makes the temperature change in the chamber more stable and the temperature control more accurate, thereby ensuring that the objects to be dried can be better stirred, dispersed, Mixing; the hot start process is fast, and there is no dead angle in the drying process, thereby improving the quality of the product;

(3) Safety and environmental protection, long life: the complete separation of thermal fluid and circuit ensures the safe use of the device; the device is easy to maintain and has a long service life; the production environment is more green, energy-saving, safe and comfortable.

Description of drawings

Fig. 1 is the structural representation of the utility model electromagnetic drying chamber;

Fig. 2 is the structural representation of the utility model heating device;

Fig. 3 is the schematic diagram of the connection between the utility model heating device and the surface cooler;

Fig. 4 is a gas flow state diagram of the electromagnetic drying chamber of the present invention.

The codes in the drawings are: 1 is the chamber body, 2 is the partition, 2-1 is the first partition, 2-2 is the second partition, 3 is the dehumidification device, 3-1 is the inner moisture pipe, 3-2 is a heat exchanger, 3-3 is a dehumidification fan, 3-4 is an external dehumidification pipe, 4 is a heating device, 4-1 is an electromagnetic inductor, 4-11 is a metal heating body, 4-12 is a Insulation layer, 4-13 is induction coil, 4-2 is electromagnetic heating controller, 4-3 is display, 4-4 is three-phase short circuit protection switch, 4-5 is three-phase four-wire terminal, 5 is meter Cooler, 6 is a high-temperature fan, 7 is an outlet heat conduction pipe, 8 is an inlet heat conduction pipe, 9 is a circulation pump, and 10 is an object to be dried.

Detailed ways

As shown in Figures 1 to 3, an electromagnetic drying chamber includes a chamber body 1, a partition 2, a dehumidification device 3, a heating device 4, a surface cooler 5, a high-temperature fan 6, a hot liquid outlet pipe 7, an inlet Heat transfer liquid pipe 8 and circulation pump 9; chamber body 1 is a square cavity structure, partition plate 2 is located inside chamber body 1, and partition plate 2 includes first partition plate 2-1 and second partition plate 2-2 connected to each other, The first partition 2-1 is vertically arranged, and its one end is connected with the bottom of the chamber body 1, and the other end leaves a gap with the top of the chamber body 1. The second partition 2-2 is horizontally arranged, and its two ends are connected with the chamber body 1. Both the left side wall and the right side wall of the body 1 have gaps, the material of the chamber body 1 is a polyurethane board, and the material of the partition plate 2 is a thermal insulation board; the dehumidification device 3 includes an internal moisture pipe 3-1, The heat exchanger 3-2, the dehumidification fan 3-3 and the outer dehumidification pipe 3-4, the inner moisture pipe 3-1 are located between the left side wall of the chamber body 1 and the first partition 2-1, and the heat exchanger 3-2. The humidity exhaust fan 3-3 and the external moisture exhaust pipe 3-4 are located outside the chamber body 1, and the heat exchange fins of the heat exchanger 3-2 are placed vertically; the heating device 4 includes an electromagnetic inductor 4- 1. Electromagnetic heating controller 4-2, display 4-3, three-phase short circuit protection switch 4-4 and three-phase four-wire terminal 4-5; electromagnetic inductor 4-1 includes metal heating body 4-11, heat insulation layer 4-12 and induction coil 4-13, the heat insulation layer 4-12 is covered outside the metal heating body 4-11, the induction coil 4-13 is wound outside the heat insulation layer 4-12, and the heat insulation layer 4-12 is 2 Layer nano airgel blanket, thickness is 1.8cm, the material of induction coil 4-13 is tinned copper; The phase short circuit protection switch 4-4 and the input power supply of the electromagnetic heating controller 4-2 are sequentially connected by communication, and the output terminal of the electromagnetic heating controller 4-2 is connected with the induction coil 4-13; the surface cooler 5, the high temperature fan 6, the second A clapboard 2-1 is arranged adjacent to each other in turn, the material of the pipeline of the surface cooler 5 is red copper, and the quantity of the high-temperature fan 6 is 2, and they are arranged side by side; the metal heating body 4-11, the outlet heat liquid pipe 7, the surface The cooler 5 and the thermal fluid inlet pipe 8 are connected in turn to form a closed loop. The thermal fluid is filled in the closed loop, and the thermal fluid is 80% ethylene glycol aqueous solution. The thermal fluid inlet pipe 8 is provided with a circulation pump 9 .

As shown in Figure 4, the working principle of this electromagnetic drying room is: use the principle of electromagnetic heating to rectify and filter the AC 380V/220V power supply, and then convert it into a high-frequency 10KHZ-40KHZ DC 600V-1200V power supply through electronic devices; the induction coil 4- 13 is wound on the metal heating body 4-11, the current flows through the induction coil 4-13 to generate a magnetic field, the metal heating body 4-11 generates heat by itself, and the circulation pump 9 drives the thermal fluid to pass through the heating device 4 and is instantly heated to the required temperature , and then sent to the surface cooler 5 for circulation; at the same time, the high-temperature fan 6 rotates to take away the high temperature on the surface cooler 5, and the hot air circulates in the chamber body 1, thereby drying the object 10 to be dried; After the humidity of the object 10 reached the set percentage value, the dehumidification fan 3-3 started to run, and the moisture was pumped into the heat exchanger 3-2 through the inner moisture pipe 3-1, and then the heat exchanger 3-2 The moisture sucked in is filtered, and the remaining heat is returned to the chamber body 1 again, and the moisture is treated and discharged from the external moisture discharge pipe 3-4.

Claims (8)

1. a kind of electromagnetic drying room, which is characterized in that including chamber body (1), partition board (2), humidity-discharging device (3), heating device (4), Surface cooler (5), high-temperature blower (6) go out heat conduction liquid pipe (7), into heat conduction liquid pipe (8) and circulating pump (9)；

The chamber body (1) is square cavity structure, and the partition board (2) is located at chamber body (1) inside, and the partition board (2) includes mutual The first partition (2-1) and second partition (2-2) of connection, the first partition (2-1) is vertically arranged, and one end and chamber body (1) there are gaps at the top of bottom connection, the other end and chamber body (1), and the second partition (2-2) is horizontally disposed, and its both ends There are gaps with the left side wall and right side wall of chamber body (1)；

The humidity-discharging device (3) include sequentially connected interior wet air duct (3-1), heat exchanger (3-2), wet-emitting blower (3-3) and Outer dehumidification tube (3-4), the interior wet air duct (3-1) are located between the left side wall of chamber body (1) and first partition (2-1), the heat Exchanger (3-2), wet-emitting blower (3-3) and outer dehumidification tube (3-4) are respectively positioned on chamber body (1) outside, the heat exchanger (3-2) Heat exchange fin is placed in vertical；

The heating device (4) includes that electromagnetic inductor (4-1), electromagnetic heating controller (4-2), display (4-3), three-phase are short Road protection switch (4-4) and three-phase and four-line connecting terminal (4-5)；

The electromagnetic inductor (4-1) includes METAL HEATING PROCESS body (4-11), thermal insulation layer (4-12) and induction coil (4-13), described Thermal insulation layer (4-12) is covered in METAL HEATING PROCESS body (4-11) outside, and the induction coil (4-13) is wound in thermal insulation layer (4-12) outside Portion；

The display (4-3) is assemblied on electromagnetic heating controller (4-2), the three-phase and four-line connecting terminal (4-5), three-phase The input power of protective switch of the short circuit (4-4) and electromagnetic heating controller (4-2) communicates to connect successively, the electromagnetic heating control The output end of device (4-2) processed is connect with induction coil (4-13)；

The surface cooler (5), high-temperature blower (6), first partition (2-1) are disposed adjacent successively, the quantity of the high-temperature blower (6) For at least two, and it is arranged side by side；

The METAL HEATING PROCESS body (4-11) goes out heat conduction liquid pipe (7), surface cooler (5), is sequentially connected and is formed into heat conduction liquid pipe (8) Closed circuit, is filled with conductive fluid in the closed circuit, described into being provided with circulating pump (9) in heat conduction liquid pipe (8).

2. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the conductive fluid is a concentration of 70%~90% Glycol water.

3. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the material of the pipeline of the surface cooler (5) is Red copper.

4. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the thermal insulation layer (4-12) is at least 2 layers and receives Rice aeroge blanket.

5. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the thickness of the thermal insulation layer (4-12) is 1.5cm~2.0cm.

6. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the material of the induction coil (4-13) is plating Tin copper.

7. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the material of the chamber body (1) be polyurethane sheet, One kind in engineering plastics.

8. a kind of electromagnetic drying room as described in claim 1, which is characterized in that the material of the partition board (2) is insulation One kind in plate, color steel, aluminium alloy, engineering plastics.