CN219589302U - Hot air circulation energy-saving dryer - Google Patents

Abstract

The utility model provides a hot air circulation energy-saving dryer, which relates to the technical field of dryers, and comprises a drying box body, a drying bin and a tube seat, wherein the drying bin is arranged at the front end of the drying box body in a penetrating way; the utility model has the beneficial effects that: the annular circulating pipeline is conveyed to the drying bin in a convection mode, so that the condition that the thermal drying effect of the single circulating pipeline is attenuated in the circulating flow process is avoided, the drying effect of the dryer is ensured, and meanwhile, the heat energy utilization rate of the dryer is improved.

Description

A hot air circulation energy-saving dryer

technical field

The utility model relates to the technical field of dryers, in particular to a hot air circulation energy-saving dryer.

Background technique

Dryers can be divided into industrial and civilian. Industrial dryers are also called drying equipment or dryers. Civilian dryers are one of washing machines. They are generally used to remove clothing and other textiles after washing and dehydration. Specifically, the power generated by electricity, diesel power, wind power, flammable material power, etc., is heated by ambient air, transported to the surrounding area, and then reaches an appropriate temperature for dehumidification treatment. It is mainly used for drying in mineral processing, building materials, metallurgy, chemical industry and other departments. Materials with a certain humidity or particle size.

For the dryers in the prior art, especially the drying equipment that uses hot air as the heating and drying medium, during the actual drying operation, the actual heat energy margin of the single-output hot air is relatively large, and then it is transported through the drying pipeline. , part of the heat energy of the hot air flow will attenuate with the change of the air flow velocity. While affecting the actual drying efficiency of the dryer, the actual heat energy utilization rate is low, which in turn causes the power loss of the dryer and affects the efficiency of the dryer. practicality.

Utility model content

Aiming at the above-mentioned technical problems existing in the prior art, a hot air circulation energy-saving dryer is provided.

Purpose and effect of the present utility model are achieved by the following specific technical means:

A hot air circulation energy-saving dryer, including a drying box, a drying chamber and a pipe seat, the drying chamber is arranged through the front end of the drying box, and the pipe seat is plugged and fixed at the rear end of the drying box A pair of heating tubes are arranged at the inner upper end between the tube base and the drying bin, a heating seat is fixed between the heating tubes, and the front end of the heating tube runs through the top of the drying bin. The lower end of the drying tube is connected with a diversion pipe, and a transfer pipe is arranged between the diversion pipe and the bottom of the drying chamber. The left and right ends of the transfer pipe are connected with valve pipes, and the gap between the valve pipe and the diversion pipe is There are adapters installed through;

Convection pipes are fixed at the left and right ends of the inside of the drying chamber and the drying box, and a circulation branch pipe is connected between the bottom end of the convection pipe and the valve pipe.

A further preferred solution: a thermal connection plate is plugged between the upper end of the heating seat and the drying box, and the thermal connection plate is an electric heating connection plate seat.

A further preferred solution: a fan group is plugged and fixed at the end of the heating tube, and the fan group passes through the rear end of the tube base.

A further preferred solution: the bottom of the heating seat is provided with a pipe rack connected to the top of the drying bin, and the pipe rack communicates with the top of the convection pipe.

A further preferred solution: the transfer pipe communicates with the bottom of the drying bin.

A further preferred solution: a pressurized pump tube is plugged into the lower right end of the drying cabinet, and the pressurized pump tube extends inward and communicates with the adapter.

Compared with the prior art, the beneficial effects of the utility model are:

Compared with the circulation pipeline blowing airflow drying method in the prior art, this dryer adopts a pipe rack, drying chamber, transfer pipe, valve pipe, circulation branch pipe, and diversion pipe on the basis of the pipeline structure. An annular circulation pipeline is used to connect the heating tube. The heating tube generates hot air through the braking action of the fan group and the heating seat, and the hot air is output to the drying chamber along the above-mentioned annular pipeline to complete the drying of the drying chamber. Its annular circulation pipeline is transported to the drying chamber in a convection manner, avoiding the attenuation of the heat drying effect of the single circulation pipeline during the circulation flow process, and while ensuring the drying effect of the dryer, it improves The thermal energy utilization rate of the dryer is improved.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the overall front view internal structure of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the pipe seat of the present invention in side view.

Marks in the figure: 1-drying cabinet; 2-drying bin; 3-pipe seat; 4-heating plate; 5-pressurized pump tube; 6-heating seat; 7-heating tube; 8-pipe rack ; 9-convection pipe; 10-transfer pipe; 11-valve pipe; 12-circulation branch pipe;

Detailed ways

Please refer to Fig. 1-3, the embodiment of the present utility model is described further;

A hot air circulation energy-saving dryer, comprising a drying cabinet 1, a drying bin 2 and a pipe base 3, the drying bin 2 is arranged through the front end of the drying cabinet 1, and the pipe base 3 is plugged and fixed to the drying cabinet 1. At the rear end, a pair of heating pipes 7 are arranged at the inner upper end between the pipe base 3 and the drying chamber 2. A heating seat 6 is fixed between the heating pipes 7. The front end of the heating pipe 7 runs through the top of the drying chamber 2. The lower end of the drying pipe 7 is provided with a diversion pipe 15, and a transfer pipe 10 is arranged between the diversion pipe 15 and the bottom end of the drying chamber 2, and a valve pipe 11 is plugged into the left and right ends of the transfer pipe 10, and the valve pipe 11 An adapter 13 is provided through the guide tube 15;

Wherein, between the upper end of the heating seat 6 and the drying box 1, there is a thermal connection plate 4, the thermal connection plate 4 is an electric heating connection plate seat, and a fan group 14 is plugged and fixed at the end of the heating tube 7, and the fan group 14 runs through the The rear end of the pipe base 3, the transfer pipe 10 communicates with the bottom end of the drying chamber 2;

As shown in Figures 2 and 3, specifically through the braking of the heating seat 6 and the fan group 14, the airflow is transported to the drying chamber 2 along the fan group 14, and the airflow is heated by the heating seat 6 while blowing the airflow, and the hot air flow The downward blowing of the drying chamber 2 completes a single heat drying, and then the hot air flow enters the transfer pipe 10 along the bottom of the drying chamber 2, and after being guided by the diameter of the transfer pipe 10, it passes along the valve pipe 11, the adapter 13 flows back into the guide tube 15, and finally re-merges into the hot drying tube 7 along the guide tube 15 to complete a single cycle of the hot air flow, and on this basis, part of the hot air flow will circulate along the circulation branch pipe 12 and flow into the convection In the pipe 9, it finally enters the drying chamber 2 along the pipe frame 8, and forms convection with the circulated hot air flow, completing the secondary circulation of the hot air flow;

Convection tubes 9 are fixed at the left and right ends of the drying bin 2 and the inside of the drying box 1, and a circulating branch pipe 12 is connected between the bottom end of the convection tube 9 and the valve tube 11;

Further, the bottom end of the heating seat 6 is provided with a pipe rack 8 connected to the top of the drying chamber 2, and the pipe rack 8 communicates with the top of the convection pipe 9;

Further, the lower right end of the drying box 1 is plugged with a pressurized pump tube 5, which extends inward and communicates with the adapter 13. On the basis of the above, the external pressurized pump tube 5 passes through the external air pump By means of compressing the airflow at the output end of the valve tube 11, while circulating and guiding the hot airflow, the pressurized hot airflow is transferred to avoid the attenuation of the flow rate of the circulating airflow;

Compared with the existing dryer, the dryer transfers the hot air flow channel through the convection pipe 9 arranged on the basis of the single circulation pipeline, and through the secondary circulation of the hot air flow, the air flow is The hot air flow output from the drying chamber 2 and the heating pipe 7 is convectively output, so as to improve the heat energy utilization rate of the hot air flow of the dryer.

Claims (6)

1. A hot air circulation energy-saving dryer, comprising a drying box (1), a drying bin (2) and a pipe seat (3), the drying bin (2) is arranged through the drying box (1) ) front end, the tube base (3) is plugged and fixed to the rear end of the drying box (1), and it is characterized in that: a pair of heat sinks are arranged at the inner upper end between the tube base (3) and the drying chamber (2). A drying tube (7), a heating seat (6) is fixed between the heating tubes (7), the front end of the heating tube (7) runs through the top of the drying chamber (2), the heating tube (7) The lower end is connected with a diversion pipe (15), and a transfer pipe (10) is arranged between the diversion pipe (15) and the bottom of the drying chamber (2), and the left and right ends of the transfer pipe (10) A valve tube (11) is plugged in, and an adapter (13) is provided through the valve tube (11) and the guide tube (15); Convection tubes (9) are fixed at the left and right ends of the drying chamber (2) and the inside of the drying box (1), and there is a circulation branch pipe connected between the bottom end of the convection tube (9) and the valve tube (11). (12). 2. A hot air circulation energy-saving dryer according to claim 1, characterized in that: a heat connecting plate (4) is inserted between the upper end of the heating seat (6) and the drying box (1), The thermal connection board (4) is an electric heating connection board seat. 3. A hot air circulation energy-saving dryer according to claim 1, characterized in that: a fan group (14) is plugged and fixed at the end of the heat drying pipe (7), and the fan group (14) runs through the Pipe seat (3) rear end. 4. A hot air circulation energy-saving dryer according to claim 1, characterized in that: the bottom of the heating seat (6) is provided with a pipe rack (8) connected to the top of the drying chamber (2) , the pipe frame (8) communicates with the top of the convection pipe (9). 5. The hot air circulation energy-saving dryer according to claim 1, characterized in that: the transfer pipe (10) communicates with the bottom of the drying chamber (2). 6. A hot air circulation energy-saving dryer according to claim 1, characterized in that: the lower right end of the drying box (1) is plugged with a pressurized pump tube (5), and the pressurized pump tube (5) extending inward and communicating with the adapter (13).