CN211160531U

CN211160531U - High-efficient shaped steel board drying device

Info

Publication number: CN211160531U
Application number: CN201922103456.1U
Authority: CN
Inventors: 朱槐钟
Original assignee: Yiwu Chuangwei Electrical Machinery Co ltd
Current assignee: Yiwu Chuangwei Electrical Machinery Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-04
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a high-efficiency steel plate drying device, which comprises a frame (1), wherein a feeding device (2) is arranged on the surface of the frame (1); the feeding device (2) is provided with a plurality of first heating lamp tubes (3) and a drying box (4), and the drying box (4) is provided with a plurality of second heating lamp tubes (5), a first hot air pipe (6), a second hot air pipe (7) and a partition plate (8); a discharge hole (9) and a plurality of air holes (10) are arranged on the clapboard (8); the bottom surface of the drying box (4) is provided with a circulating pipe (11), the circulating pipe (11) is connected with a suction pump (12) and a heat preservation circulating box (13), and all the first hot air pipes (6) and the second hot air pipes (7) are connected with the heat preservation circulating box (13). The utility model discloses not only can improve stoving speed, still have the effectual, rejection rate low, energy utilization rate high, the convenient advantage of making, low in labor strength, long service life and convenient to use of drying.

Description

High-efficient shaped steel board drying device

Technical Field

The utility model relates to a drying device, especially high-efficient shaped steel drying device for steel sheet.

Background

In order to warn the position of the distribution box, general manufacturers can paint the steel plate after degreasing and passivating the surface of the raw material steel plate of the distribution box, and then dry the steel plate by using a drying device in order to improve the application effect of a surface coating layer after the steel plate is painted; at present, a common drying device mainly utilizes an electric heating wire to dry a steel plate at a high temperature, but due to the fact that the temperature in the drying device rises slowly, the uniformity of the heated steel plate is poor, paint on the surface of the steel plate can generate bubbles, cracks and the like, waste products are generated, and the rejection rate is high; and the drying period can be prolonged due to uneven heating, and the overall drying efficiency is reduced. Therefore, the problems of low drying speed and high rejection rate exist in the reuse process of the existing drying device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient shaped steel board drying device. The utility model discloses not only can improve stoving speed, still have the advantage that the rejection rate is low.

The technical scheme of the utility model: the efficient steel plate drying device comprises a rack, wherein a feeding device is arranged on the surface of the rack; the feeding device is provided with a plurality of first heating lamp tubes which are uniformly distributed; the feeding device is sleeved with a drying box, and the inner top surface of the drying box is provided with a plurality of uniformly distributed second heating lamp tubes; a first hot air pipe is connected between every two adjacent second heating lamp tubes, and a second hot air pipe is arranged on one side of each first hot air pipe; a partition plate is arranged in the drying box, and a first hot air pipe and a second hot air pipe are respectively arranged on two sides of the partition plate; a discharge hole is formed in the middle of the partition plate, and a plurality of air holes which are uniformly distributed are formed above the discharge hole; a circulating pipe is arranged on the bottom surface of the drying box, and a suction pump is connected to the circulating pipe; one end of the circulating pipe is connected with a heat preservation circulating box, and the first hot air pipe and the second hot air pipe are connected with the heat preservation circulating box.

In the efficient steel plate drying device, two side walls of the partition plate are respectively provided with the first temperature sensor and the second temperature sensor, and one side of the second temperature sensor is provided with the humidity sensor; all the second heating lamp tubes are electrically connected with the second temperature sensor; all the first heating lamp tubes are electrically connected with the first temperature sensor; the suction pump is electrically connected with the humidity sensor.

In the efficient steel plate drying device, the feeding device comprises a feeding conveyor belt, and a feeding driving shaft and a feeding driven shaft are respectively arranged at two end parts of the feeding conveyor belt; the feeding driving shaft is connected with a feeding motor; the feeding conveyor belt is provided with a plurality of uniformly distributed mounting grooves, and a plurality of uniformly distributed air outlets are arranged between every two adjacent mounting grooves.

In the efficient steel plate drying device, the first heating lamp tube is fixedly arranged in the mounting groove; the distance between every two adjacent mounting grooves is greater than the diameter of the first heating lamp tube; a plurality of air outlet holes which are uniformly distributed are also arranged on the bottom surface of each mounting groove.

In the efficient steel plate drying device, first connecting pipes are connected between the end parts of all the first hot air pipes, and first electromagnetic valves are mounted on the first connecting pipes; second connecting pipes are connected among the end parts of all the second hot air pipes, and second electromagnetic valves are installed on the second connecting pipes; and the first connecting pipe and the second connecting pipe are both communicated with the heat-preservation circulating box.

Compared with the prior art, the utility model improves the existing drying device for processing the steel plate, and through the arrangement of the feeding device, the feeding device is provided with a plurality of first heating lamp tubes which are uniformly distributed, and the steel plate can be heated and dried from the lower part of the steel plate by utilizing the first heating lamp tubes; the second heating lamp tube and the first hot air tube are arranged on the top surface in the drying box, so that the top surface of the steel plate can be heated and dried, double-sided quick drying is realized, and the drying speed is accelerated; the first hot air pipe and the second hot air pipe are arranged, the second hot air pipe is used for blowing and preheating the upper surface of the steel plate, so that air in the surface coating of the steel plate is extruded out, and the first hot air pipe is used for drying quickly to match with the first heating lamp tube and the second heating lamp tube for heating, so that the surface of the steel plate is heated more uniformly, the phenomenon of bubbles or holes in the coating on the surface of the steel plate can be avoided, and the drying effect is improved; the drying box is divided into a preheating area and a hot drying area by the partition plate, so that the condition that paint on the surface of the steel plate cracks due to the fact that the steel plate directly enters hot air from external cold air is avoided, and the rejection rate is reduced; the arrangement of the air holes on the partition board can ensure that the pressure difference between the air holes and the partition board is reduced to the minimum as much as possible, thereby reducing the requirements on the casting materials of the drying box as much as possible and further facilitating the manufacture; meanwhile, the circulating pipe and the heat-preservation circulating box are arranged, so that hot air generated in the drying box can be discharged into the heat-preservation circulating box from the lower part for recycling, and the energy consumption is reduced; and when hot air is exhausted, the hot air can be moved to dry the steel plate to a certain degree, so that the drying speed is further improved. In addition, the utility model also can detect the temperature and the humidity of two areas inside the drying box by arranging the first temperature sensor, the second temperature sensor and the humidity sensor, thereby avoiding the phenomenon that the paint on the surface of the steel plate drops off due to the higher temperature or humidity inside the drying box, improving the automation degree and reducing the labor intensity; a plurality of air outlet holes are uniformly distributed on the feeding conveying belt, and a plurality of air outlet holes are also formed in the bottom surface of the mounting groove, so that air convection can be formed on the conveying belt by utilizing the air outlet holes, and the drying efficiency is further improved; the first heating lamp tube is fixedly welded in the mounting groove by arranging the mounting groove, so that the first heating lamp tube can be protected by the mounting groove, the first heating lamp tube is prevented from being crushed by a steel plate, and the service life is prolonged; through setting up first connecting pipe and second connecting pipe, install first solenoid valve on the first connecting pipe, install the second solenoid valve on the second connecting pipe to can be according to the inside temperature and the humidity of stoving incasement portion, the air current size of the first hot trachea of automatic control and second hot trachea spun steam, and then made things convenient for the use. Therefore, the utility model discloses not only can improve stoving speed, still have the advantage that stoving effect is good, the rejection rate is low, energy utilization is high, convenient manufacturing, low in labor strength, long service life and convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view of the drying box;

FIG. 3 is a right side view of the drying box;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

The labels in the figures are: 1-frame, 2-feeding device, 3-first heating lamp tube, 4-drying box, 5-second heating lamp tube, 6-first heating gas tube, 7-second heating gas tube, 8-partition plate, 9-discharge hole, 10-ventilation hole, 11-circulation tube, 12-suction pump, 13-heat preservation circulation box, 14-first temperature sensor, 15-second temperature sensor, 16-humidity sensor, 17-feeding conveyor belt, 18-feeding driving shaft, 19-feeding driven shaft, 20-feeding motor, 21-mounting groove, 22-ventilation hole, 23-first connecting tube, 24-first electromagnetic valve, 25-second connecting tube, 26-second electromagnetic valve.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The high-efficiency steel plate drying device is shown in figures 1 to 4 and comprises a rack 1, wherein a feeding device 2 is arranged on the surface of the rack 1; a plurality of first heating lamp tubes 3 which are uniformly distributed are arranged on the feeding device 2; a drying box 4 is sleeved on the feeding device 2, and a plurality of second heating lamp tubes 5 which are uniformly distributed are arranged on the inner top surface of the drying box 4; a first hot air pipe 6 is connected between every two adjacent second heating lamp tubes 5, and a second hot air pipe 7 is arranged on one side of each first hot air pipe 6; a partition plate 8 is arranged in the drying box 4, and a first hot air pipe 6 and a second hot air pipe 7 are respectively arranged on two sides of the partition plate 8; a discharge hole 9 is formed in the middle of the partition plate 8, and a plurality of air holes 10 which are uniformly distributed are formed above the discharge hole 9; a circulating pipe 11 is arranged on the bottom surface of the drying box 4, and a suction pump 12 is connected to the circulating pipe 11; one end of the circulating pipe 11 is connected with a heat preservation circulating box 13, and all the first hot air pipes 6 and the second hot air pipes 7 are connected with the heat preservation circulating box 13.

A first temperature sensor 14 and a second temperature sensor 15 are respectively arranged on two side walls of the partition plate 8, and a humidity sensor 16 is arranged on one side of the second temperature sensor 15; all the second heating lamp tubes 5 are electrically connected with a second temperature sensor 15; all the first heating lamp tubes 3 are electrically connected with the first temperature sensor 14; the suction pump 12 is electrically connected with a humidity sensor 16; the feeding device 2 comprises a feeding conveyor belt 17, and a feeding driving shaft 18 and a feeding driven shaft 19 are respectively arranged at two end parts of the feeding conveyor belt 17; the feeding driving shaft 18 is connected with a feeding motor 20; a plurality of uniformly distributed mounting grooves 21 are formed in the feeding conveyor belt 17, and a plurality of uniformly distributed air outlets 22 are formed between every two adjacent mounting grooves 21; the first heating lamp tube 3 is fixedly arranged in the mounting groove 21; the distance between every two adjacent mounting grooves 21 is greater than the diameter of the first heating lamp tube 3; the bottom surface of each mounting groove 21 is also provided with a plurality of air outlet holes 22 which are uniformly distributed; a first connecting pipe 23 is connected between the end parts of all the first hot air pipes 6, and a first electromagnetic valve 24 is installed on the first connecting pipe 23; second connecting pipes 25 are connected between the end parts of all the second hot air pipes 7, and second electromagnetic valves 26 are mounted on the second connecting pipes 25; the first connecting pipe 23 and the second connecting pipe 25 are both communicated with the heat-preservation circulating box 13.

The working principle is that the first temperature sensor 14 and the second temperature sensor 15 used in the utility model are D6T-44L-06, D6T-8L-09 or D6T-1A-02, and the like, and the humidity sensor 16 used is CTH89-PEN-RED, HX71-MA or HX71-MKIT, and the like.

When the steel plate is dried, the whole device is connected with an external power supply, after the whole device is connected with the external power supply, the first temperature sensor 14, the second temperature sensor 15 and the humidity sensor 16 are automatically started, and the first heating lamp tube 3 and the second heating lamp tube 5 are simultaneously opened, so that the first heating lamp tube 3 and the second heating lamp tube 5 respectively generate heat to heat the interior of the drying box 4; then, a steel plate to be dried is placed on the feeding conveyor belt 17, then the feeding motor 20 is started, the feeding motor 20 drives the feeding driving shaft 18 to rotate after being started, the feeding driving shaft 18 rotates to drive the feeding conveyor belt 17 to move, the feeding conveyor belt 17 moves to drive the feeding driven shaft 19 to rotate, the feeding conveyor belt 17 is made to rotate circularly, and the steel plate is driven to move into the drying box 4; when a steel plate just enters the drying box 4, the lower surface of the steel plate is heated and dried mainly by the first heating lamp tube 3 on the feeding conveyor belt 17, and simultaneously, the surface of the steel plate is preliminarily preheated by residual heat in the drying box 4, so that the phenomenon of bubbles, perforations or cracks caused by sudden heating of paint on the surface of the steel plate is avoided, and the rejection rate is reduced; then along with the removal of pay-off conveyer belt 17, pay-off conveyer belt 17 can drive the steel sheet and pass through discharge gate 9 on the baffle 8, enters into the region that second heating fluorescent tube 5 shone to utilize second heating fluorescent tube 5 to carry out fast drying to the upper surface of steel sheet, and then realize two-sided stoving in the time of steel sheet surface, improved drying efficiency.

During the whole drying process, the moisture in the paint can be evaporated into hot air flow, and then the suction pump 12, the first electromagnetic valve 24 and the second electromagnetic valve 26 are started; after the suction pump 12 is started, hot air in the drying box 4 is pumped into the heat-preservation circulation box 13 through the circulation pipe 11, then the hot air is flushed into the first connecting pipe 23 and the second connecting pipe 25 through the heat-preservation circulation box 13, and the hot air entering the first connecting pipe 23 is uniformly distributed into the first hot air pipe 6, so that the hot air drying is carried out on the upper surface of the steel plate, and the drying efficiency is further improved; the hot air entering the second connecting pipe 25 is uniformly distributed in the second hot air pipe 7 and is uniformly blown on the upper surface of the steel plate through the second hot air pipe 7, so that the preheating effect is improved; when the temperature values detected by the first temperature sensor 14 and the second temperature sensor 15 are high, the first temperature sensor 14 and the second temperature sensor 15 can automatically control the flow of the current passing through the first heating lamp tube 3 and the second heating lamp tube 5, so that the radiation heat emitted by the first heating lamp tube 3 and the second heating lamp tube 5 is changed, the temperature in the drying box 4 is automatically controlled, and the phenomenon that paint on the surface of a steel plate falls off due to overhigh temperature in the drying box 4 is avoided; similarly, when the humidity sensor 16 detects that the humidity value in the drying box 4 is high, the suction pump 12 is automatically started, and the first electromagnetic valve 24 and the second electromagnetic valve 26 are closed, so that the wet air in the drying box 4 is pumped into the heat preservation circulation box 13 by the suction pump 12 and then discharged, thereby preventing the phenomenon of insufficient drying caused by high humidity in the drying box 4, and further improving the drying effect.

Claims

1. High-efficient type steel sheet drying device, its characterized in that: comprises a frame (1), wherein a feeding device (2) is arranged on the surface of the frame (1); a plurality of first heating lamp tubes (3) which are uniformly distributed are arranged on the feeding device (2); the feeding device (2) is sleeved with a drying box (4), and the inner top surface of the drying box (4) is provided with a plurality of uniformly distributed second heating lamp tubes (5); a first hot air pipe (6) is connected between every two adjacent second heating lamp tubes (5), and a second hot air pipe (7) is arranged on one side of each first hot air pipe (6); a partition plate (8) is arranged in the drying box (4), and the first hot air pipe (6) and the second hot air pipe (7) are respectively arranged on two sides of the partition plate (8); a discharge hole (9) is formed in the middle of the partition plate (8), and a plurality of air holes (10) are uniformly distributed above the discharge hole (9); a circulating pipe (11) is arranged on the bottom surface of the drying box (4), and a suction pump (12) is connected to the circulating pipe (11); one end of the circulating pipe (11) is connected with a heat preservation circulating box (13), and all the first hot air pipe (6) and the second hot air pipe (7) are connected with the heat preservation circulating box (13).

2. The high efficiency steel plate drying apparatus of claim 1, wherein: a first temperature sensor (14) and a second temperature sensor (15) are respectively arranged on two side walls of the partition board (8), and a humidity sensor (16) is arranged on one side of the second temperature sensor (15); all the second heating lamp tubes (5) are electrically connected with a second temperature sensor (15); all the first heating lamp tubes (3) are electrically connected with a first temperature sensor (14); the suction pump (12) is electrically connected with the humidity sensor (16).

3. The high efficiency steel plate drying apparatus of claim 1, wherein: the feeding device (2) comprises a feeding conveyor belt (17), and a feeding driving shaft (18) and a feeding driven shaft (19) are respectively arranged at two end parts of the feeding conveyor belt (17); the feeding driving shaft (18) is connected with a feeding motor (20); a plurality of uniformly distributed mounting grooves (21) are arranged on the feeding conveyor belt (17), and a plurality of uniformly distributed air outlets (22) are arranged between every two adjacent mounting grooves (21).

4. The high efficiency steel plate drying apparatus of claim 3, wherein: the first heating lamp tube (3) is fixedly arranged in the mounting groove (21); the distance between every two adjacent mounting grooves (21) is greater than the diameter of the first heating lamp tube (3); the bottom surface of each mounting groove (21) is also provided with a plurality of air outlet holes (22) which are uniformly distributed.

5. The high efficiency steel plate drying apparatus according to any one of claims 1 to 4, wherein: a first connecting pipe (23) is connected between the end parts of all the first hot air pipes (6), and a first electromagnetic valve (24) is mounted on the first connecting pipe (23); second connecting pipes (25) are connected among the end parts of all the second hot air pipes (7), and second electromagnetic valves (26) are installed on the second connecting pipes (25); the first connecting pipe (23) and the second connecting pipe (25) are both communicated with the heat-preservation circulating box (13).