CN207951074U - Absorption drier is desorbed in blast heating - Google Patents

Abstract

The utility model discloses a blast heating desorption adsorption dryer, which comprises a drying A tower, a drying B tower, an air inlet, an air outlet, an air inlet pipeline, an air outlet pipeline, a heating pipeline, a cooling pipeline, and regeneration air. Inlet, pressure relief pipeline and pressure equalization pipeline, the air inlet is connected to A and B towers through the intake pipeline, the air outlet is connected to A and B towers through the gas outlet pipeline, and the pressure equalization pipeline is connected to the gas outlet pipeline; the heating pipe The cooling pipeline is connected with the towers A and B, the cooling pipeline is connected with the towers A and B; the heating pipeline and the cooling pipeline are connected to the regeneration air inlet, the inlet is equipped with a blower, the heating pipeline is equipped with a heater and a cooling exhaust port, and the cooling pipe There is a heating exhaust port on the road, and the pressure relief pipeline is located at the lower end of towers A and B. The utility model adopts separate heating and blowing cooling pipelines, heating from top to bottom, blowing and cooling from bottom to top, without interfering with each other, reasonable structure, reducing the power consumption of the blower, accelerating the cooling speed, shortening the regeneration time, and improving the regeneration efficiency .

Description

Blast heating desorption adsorption dryer

technical field

The utility model relates to the field of adsorption dryers, in particular to a blast heating desorption adsorption dryer.

Background technique

Blast heating desorption adsorption dryer is an energy-saving compressed air drying device. It adopts the process of regeneration of ambient air by blast, which can save a large amount of product gas required for regeneration in traditional processes. The basic principle of adsorption is similar to the traditional adsorption process, but its regeneration method is a blast regeneration process, and the process steps include heating and blowing cooling. When heating, the regeneration gas source comes from the ambient air boosted by the blower, which is heated to the regeneration gas by the heater.

Patent CN205435404 U discloses a blast heating regenerative adsorption dryer, which includes a bracket, two adsorption towers, an electric control box, a blower and a heater. The middle part of the gas pipeline is provided with an air inlet and two inlet one-way valves. The two inlet one-way valves are arranged on both sides of the inlet. The tops of the two adsorption towers are connected by an outlet pipeline. There is a gas outlet and two gas outlet one-way valves. The two gas outlet one-way valves are arranged on both sides of the gas outlet. The tops of the two adsorption towers are respectively connected to the heater through regeneration gas communication pipes. The regeneration gas communication pipes are equipped with regeneration An air regulating valve, the air outlet of the blower is connected with the air inlet of the heater through an air blast pipe.

The existing blast heating desorption adsorption dryer adopts the same pipeline for heating and blowing cooling. The air consumption of heating and cooling is large, and the working time is long, which affects the regeneration efficiency; the heating pipeline and the blowing cooling pipeline are independently designed. , the pipeline is lengthy, the equipment structure is complex, the requirements for booster equipment are high, the manufacturing cost is increased, and the maintenance is difficult.

Utility model content

The technical problem to be solved by the utility model is to provide a blast heating desorption adsorption dryer with reasonable structure, low manufacturing cost, low gas consumption and high regeneration efficiency.

In order to solve the above problems, the utility model adopts the following technical solutions:

Blast heating desorption adsorption dryer, including drying A tower, drying B tower, air inlet, air outlet, inlet pipeline, outlet pipeline, heating pipeline, cooling pipeline, regeneration air inlet, pressure relief pipeline and A pressure equalization pipeline, the air inlet is connected to the lower ends of the drying A tower and the drying B tower through the air inlet pipeline, and the air outlet is connected to the upper ends of the drying A tower and the drying B tower through the air outlet pipeline, and the pressure equalization pipeline is connected to the upper ends of the drying A tower and the drying B tower The outlet pipeline is connected; the heating pipeline is connected to the upper end of the drying A tower and the drying B tower, the cooling pipeline is connected to the lower end of the drying A tower and the drying B tower, and the other end of the heating pipeline and the cooling pipeline are connected to regeneration Air inlet, the regeneration air inlet is provided with a blower, the heating pipeline is provided with a heater and a cooling exhaust port, and the cooling pipeline is provided with a heating exhaust port; the pressure relief pipeline is provided in the drying A tower and dry the lower end of Tower B.

A muffler is provided on the pressure relief pipeline.

The regeneration air inlet is provided with an air filter.

The beneficial effects of the utility model are: the utility model adopts separate heating and cooling pipelines, heating from top to bottom, blowing and cooling from bottom to top, without interfering with each other, reasonable structure, reducing the power consumption of the blower, and accelerating the cooling speed , shorten the regeneration time and improve the regeneration efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of the blast heating desorption adsorption dryer of the present invention.

Fig. 2 is a heating schematic diagram of the blast heating desorption adsorption dryer of the present invention.

Fig. 3 is a schematic diagram of blowing and cooling of the blast heating desorption adsorption dryer of the present invention.

Detailed ways

Referring to Figure 1-3, the blast heating desorption adsorption dryer includes drying A tower 1, drying B tower 2, air inlet 3, air outlet 4, air inlet pipeline 5, air outlet pipeline 6, and heating pipeline 7. Cooling pipeline 8, regeneration air inlet 9, pressure relief pipeline 10 and pressure equalization pipeline 11, the air inlet 3 is connected to the lower ends of the drying A tower 1 and the drying B tower 2 through the air inlet pipeline 5, the air The outlet 4 is connected to the upper end of the drying A tower 1 and the drying B tower 2 through the gas outlet pipeline 6, and the pressure equalization pipeline 11 is connected to the gas outlet pipeline 6; the heating pipeline 7 is connected to the drying A tower 1 and the drying B tower 2 The upper end is connected, the cooling pipeline 8 is connected to the lower end of the drying A tower 1 and the drying B tower 2, and the other ends of the heating pipeline 7 and the cooling pipeline 8 are connected to the regeneration air inlet 9, and the regeneration air inlet 9 is provided with a blower 91, the heating pipeline 7 is provided with a heater 71 and a cooling exhaust port 81, and the cooling pipeline 8 is provided with a heating exhaust port 72; the pressure relief pipeline 10 is located in the drying A tower 1 and The lower end of the B tower 2 is dried.

The pressure relief pipeline 10 is provided with a muffler 101 .

The regeneration air inlet 9 is provided with an air filter.

During operation, the opening timing of the solenoid valves installed on each pipeline is set by a controller (not shown). When working, the air enters from the air inlet 3, passes through the drying A tower 1 for drying and purification treatment, and is transported to the gas consumption site by the air outlet 4. For the drying B tower 2 that needs desiccant regeneration, first open the pressure relief pipeline 10 to release the pressure on the drying B tower 2 to facilitate the regeneration of the desiccant, then open the heating pipeline 7, turn on the blower 91 and the heater 71, The air enters from the regeneration air inlet 9 and is heated by the heater 71. The hot air enters the drying B tower 2 and desorbs the desiccant in the drying B tower 2 from top to bottom to remove the moisture in the desiccant and restore the adsorption Finally, the air is discharged from the heating exhaust port 72; after the desiccant heating and desorption is completed, the heating pipeline 7 and the heater 71 are closed, the cooling pipeline 8 is opened, and the air enters the cooling pipeline from the regeneration air inlet 9 through the blower 91 8. Transport it to the drying B tower 2, and blow and cool the desiccant from bottom to top, which is opposite to the direction of heating and desorption, avoiding the contact between the cold air and the hottest air, and blowing the hottest air on the upper part out of the drying B tower 2 , speed up the cooling blowing speed, and the cooling blowing air is discharged from the cooling exhaust port 81.

The beneficial effects of the utility model are: the utility model adopts separate heating and cooling pipelines, heating from top to bottom, blowing and cooling from bottom to top, without interfering with each other, reasonable structure, reducing the power consumption of the blower, and accelerating the cooling speed , shorten the regeneration time and improve the regeneration efficiency.

The above is only the specific implementation of the present utility model, but the protection scope of the present utility model is not limited thereto, and any change or replacement not thought of through creative labor shall be covered by the protection scope of the present utility model.

Claims (3)

1. Blast heating desorption adsorption dryer, including drying A tower, drying B tower, air inlet, air outlet, inlet pipeline, outlet pipeline, heating pipeline, cooling pipeline, regeneration air inlet, pressure relief pipe The air inlet is connected to the lower end of the drying A tower and the drying B tower through the air inlet pipeline, and the air outlet is connected to the upper end of the drying A tower and the drying B tower through the air outlet pipeline. It is characterized in that: the heating pipeline is connected to the upper end of the drying A tower and the drying B tower, the cooling pipeline is connected to the lower end of the drying A tower and the drying B tower, and the heating pipeline is connected to the cooling The other end of the pipeline is connected to the regeneration air inlet, the regeneration air inlet is provided with a blower, the heating pipeline is provided with a heater and a cooling exhaust port, and the cooling pipeline is provided with a heating exhaust port; the pressure relief pipe The road is located at the lower end of drying A tower and drying B tower. 2. The blast heating desorption adsorption dryer according to claim 1, characterized in that: the pressure relief pipeline is provided with a muffler. 3. The blast heating desorption adsorption dryer according to claim 1, characterized in that: the regeneration air inlet is provided with an air filter.