CN204816167U - Formula desiccator is adsorbed to blast air reheat - Google Patents

Abstract

The utility model belongs to the technical field of drying equipment, in particular to a blast reheating adsorption drying machine. The air blast reheating adsorption dryer is characterized in that it includes a first drying tower and a second drying tower, and the upper ends of the first drying tower and the second drying tower are respectively connected with the natural air through the hot air pipeline. The introduced air blower is connected to each other, the hot air pipeline is provided with an electric heater, and the lower ends of the first drying tower and the second drying tower are respectively connected to the cold air pipeline of the atmosphere through the outer ends, and the cold air pipeline is connected with a An air outlet pipe, the air outlet pipe is connected with the muffler, and the hot air pipeline is connected with the dry air output pipe. The advantages are: the first drying tower and the second drying tower alternately adsorb and regenerate, which improves the production efficiency. Compared with the conventional gas-consuming dryer, the regeneration gas of the dryer no longer comes from the inside of the system, but from the natural atmosphere. Reduce the actual volume of compressed air.

Description

Blast reheat adsorption dryer

technical field

The utility model belongs to the technical field of drying equipment, in particular to an air blast reheating adsorption drying machine.

Background technique

Blast regeneration adsorption dryer is an energy-saving compressed air drying device, which adopts the regeneration process of ambient air blast, so it 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. However, its regeneration method is a blast regeneration process, and the process steps include heating and blowing cooling. During heating, the regeneration gas source comes from the ambient air boosted by the blower, which is heated to the regeneration temperature by the heater and used as the regeneration gas for the bed analysis of the adsorber. During the regeneration operation, the regeneration heating gas heats and analyzes the adsorption bed layer, and the separated water vapor is carried by the regeneration gas and taken out of the adsorber. However, the regenerative gas of the dryer comes from the inside of the system, that is, regenerative cooling or its own dry air, which is used as regenerative cooling gas after decompression, or as regenerative cooling gas after air circulation cooling and separation. The actual volume of compressed air is relatively large. .

In order to improve the existing technology, people have carried out long-term exploration and proposed various solutions. For example, Chinese patent literature discloses a blower heat recovery adsorption dryer [application number: CN201310503593.9], which includes a compressed air inlet section, a compressed air outlet section, a blower, multiple check valves, an adsorption tower and a regeneration tower , characterized in that the dryer also includes an electric heater, a cooler, and a heat recovery device, one end of the blower is connected to the cooler through a pipeline, and the cooler is connected to the electric heater through a one-way valve The electric heater is connected to the other end of the blower through a one-way valve, and the electric heater and the cooler are connected to the compressed air outlet part; the blower is connected to the heat recovery device through a one-way valve The heat recovery device is connected to the other end of the blower through a one-way valve and the one-way valve, and the heat recovery device is connected to the compressed air inlet part.

Although the above solution solves the deficiencies of the prior art to a certain extent, the connection between the pipe body and the joint is not tight, gaps are prone to appear at the welded end, the sealing is poor, the overall design is not reasonable enough, and the practicability is poor.

Utility model content

The purpose of this utility model is to solve the above problems and provide a blast reheat adsorption dryer with reasonable design and simple structure.

In order to achieve the above object, the utility model adopts the following technical solutions: the blast reheating adsorption dryer is characterized in that it includes a first drying tower and a second drying tower, and the first drying tower and the second drying tower The upper ends of the towers are respectively connected with blowers capable of introducing natural air through hot air pipelines. The hot air pipelines are provided with electric heaters, and the lower ends of the first drying tower and the second drying tower are respectively connected to the air through the outer ends. Atmospheric cold air pipeline, the cold air pipeline is connected with an air outlet pipe, the air outlet pipe is connected with the muffler, and the hot air pipeline is connected with the dry air output pipe.

The air after filtering out dust and mechanical impurities enters the blower, and the boosted compressed air is heated by an electric heater to the regeneration temperature and then enters the drying tower in the process of regeneration. After the drying tower is regenerated, the electric heater stops working, and the low-temperature air enters the drying tower, and the temperature of the drying tower decreases, providing the most suitable temperature for the subsequent adsorption work. This process is a regeneration process. The air after filtering out dust and mechanical impurities enters the drying tower in the adsorption process through the cold air pipeline, and then outputs the dry air through the dry air output pipe. This process is an adsorption process. The first drying tower and the second drying tower alternately adsorb and regenerate. When the first drying tower performs the adsorption process, the second drying tower performs the regeneration process. The first drying tower and the second drying tower can continuously provide qualified and stable of dry compressed air. The entire system fully realizes the drying and regeneration of the drying process without consuming compressed air. Compared with conventional air-consuming dryers, the regeneration air of this dryer no longer comes from the inside of the system, but from the natural atmosphere, which never reduces the compression The actual volume of air.

In the above blowing air reheating adsorption dryer, the hot air pipeline includes a hot air main pipe, and the air outlet ends of the hot air main pipe are respectively connected with a first hot air branch pipe and a second hot air branch pipe. A drying tower is connected with the first hot air branch pipe, the second drying tower is connected with the second hot air branch pipe, the outlet end of the dry air output pipe is connected to the atmosphere, and the cold air pipeline includes a pipe connected to the atmosphere. The cold air main pipe, the air outlet end of the cold air main pipe is respectively connected with the first cold air sub-pipe and the second cold air sub-pipe, the first drying tower is connected with the first cold air sub-pipe, and the second drying tower is connected with the first cold air sub-pipe. The two cold air branch pipes are connected, and the first cold air branch pipe and the second cold air branch pipe are both connected to the muffler through the air outlet pipe. When the first drying tower is in the regeneration process and the second drying tower is in the adsorption process, the first hot air branch pipe is in the open state, the second hot air branch pipe is in the closed state, and the regeneration gas enters the first drying tower through the main hot air pipe through the first hot air branch pipe The adsorbent is regenerated in the middle; the first cold air branch is in the closed state, the second cold air branch is in the open state, and the cold air enters the second drying tower from the cold air main pipe through the second cold air branch for adsorption.

In the blast reheat adsorption dryer described above, the air outlet pipe includes a first air outlet sub-pipe and a second air outlet sub-pipe, and the first air outlet sub-pipe and the second air outlet sub-pipe pass through the main air outlet pipe It communicates with the muffler, the first cold air branch pipe communicates with the first air outlet branch pipe, and the second cold air branch pipe communicates with the second air outlet branch pipe. When the first drying tower is in the regeneration process and the second drying tower is in the adsorption process, the first air outlet branch is in the open state, the second air outlet branch is in the closed state, and the hot air from the first drying tower passes through the first air outlet branch Enter the muffler through the air outlet main pipe.

In the above blast reheat adsorption dryer, the first cold air branch pipe, the second cold air branch pipe, the first air outlet branch pipe and the second air outlet branch pipe are provided with control valves, and the control valves are respectively Connected to the control mechanism.

In the above blowing air reheating adsorption dryer, the dry air output pipe includes a first dry air output branch pipe communicated with the first hot air branch pipe and a second dry air output branch pipe connected with the second hot air branch pipe , the first dry air output branch pipe and the second dry air output branch pipe are connected to the atmosphere through the dry air output main pipe. When the first drying tower is in the regeneration process and the second drying tower is in the adsorption process, the dry air output from the second drying tower is discharged through the first dry air output branch pipe and then through the dry air output main pipe.

In the above blowing air reheating adsorption dryer, the first hot air branch pipe, the second hot air branch pipe, the first dry air output branch pipe and the second dry air output branch pipe are provided with control valves, and the control The valves are respectively connected with the control mechanism.

Compared with the existing technology, the advantages of this blast reheat adsorption dryer are:

First, the first drying tower and the second drying tower alternately adsorb and regenerate. When the first drying tower performs the adsorption process, the second drying tower performs the regeneration process. The first drying tower and the second drying tower can continue to be the follow-up devices Provide qualified and stable dry compressed air, which improves production efficiency.

Second, the entire system fully realizes the drying and regeneration of the drying process without consuming compressed air. Compared with conventional air-consuming dryers, the regeneration air of the dryer no longer comes from the inside of the system, but from the natural atmosphere. Reduce the actual volume of compressed air.

Description of drawings

Fig. 1 is a structural schematic diagram provided by the utility model.

In the figure, the first drying tower 1, the second drying tower 2, the blower 3, the electric heater 4, the muffler 5, the hot air main pipe 6, the first hot air branch pipe 7, the second hot air branch pipe 8, the cold air main pipe 9, the first cold air Branch pipe 10, second cold air branch pipe 11, first air outlet branch pipe 12, second air outlet branch pipe 13, air outlet main pipe 14, control valve 15, first dry air output branch pipe 16, second dry air output branch pipe 17, dry air output supervisor 18 .

Detailed ways

Example

As shown in Figure 1, this blower reheating adsorption dryer includes a first drying tower 1 and a second drying tower 2, the upper ends of the first drying tower 1 and the second drying tower 2 are respectively connected to the hot air pipeline and can be The blower 3 that introduces the natural air is connected, and the electric heater 4 is arranged on the hot air pipeline. The air outlet pipe is connected with the muffler 5, and the hot air pipeline is connected with the dry air output pipe. The air after filtering out dust and mechanical impurities enters the blower 3, and the compressed air after boosting is heated to the regeneration temperature by the electric heater 4 and then enters the drying tower in the process of regeneration. The device 5 is taken out of the system. When the regeneration of the drying tower is completed, the electric heater 4 stops working, and the low-temperature air enters the drying tower, and the temperature of the drying tower decreases to provide the most suitable temperature for the subsequent adsorption work. This process is a regeneration process. The air after filtering out dust and mechanical impurities enters the drying tower in the adsorption process through the cold air pipeline, and then outputs the dry air through the dry air output pipe. This process is an adsorption process. The first drying tower 1 and the second drying tower 2 alternately adsorb and regenerate. When the first drying tower 1 performs the adsorption process, the second drying tower 2 performs the regeneration process. The first drying tower 1 and the second drying tower 2 can continue Provide qualified and stable dry compressed air for subsequent devices. The entire system fully realizes the drying and regeneration of the drying process without consuming compressed air. Compared with conventional air-consuming dryers, the regeneration air of this dryer no longer comes from the inside of the system, but from the natural atmosphere, which never reduces the compression The actual volume of air.

The hot-blast pipeline includes a hot-blast main pipe 6, and the air outlet ends of the hot-blast main pipe 6 are respectively connected with a first hot-blast sub-pipe 7 and a second hot-blast sub-pipe 8. The first drying tower 1 communicates with the first hot-blast sub-pipe 7, and the second drying tower 2 Connect with the second hot air branch pipe 8, the outlet end of the dry air output pipe is connected to the atmosphere, the cold wind pipeline includes the cold wind main pipe 9 connected to the atmosphere, and the air outlet ends of the cold wind main pipe 9 are respectively connected with the first cold wind branch pipe 10 and the second The cold air branch pipe 11, the first drying tower 1 is connected with the first cold air branch pipe 10, the second drying tower 2 is connected with the second cold air branch pipe 11, and the first cold air branch pipe 10 and the second cold air branch pipe 11 are connected to the silencer through the air outlet pipe. Device 5 is connected. When the first drying tower 1 is in the regeneration process and the second drying tower 2 is in the adsorption process, the first hot air branch pipe 7 is in the open state, the second hot air branch pipe 8 is in the closed state, and the regeneration gas passes through the hot air main pipe 6 and passes through the first hot air branch pipe 7 Enter the first drying tower 1 to regenerate the adsorbent.

The air outlet pipe includes a first air outlet branch pipe 12 and a second air outlet branch pipe 13, the first air outlet branch pipe 12 and the second air outlet branch pipe 13 communicate with the muffler 5 through the air outlet main pipe 14, and the first cold air branch pipe 10 communicates with the second air outlet branch pipe 13. One air outlet branch pipe 12 is connected, and the second cold air branch pipe 11 is connected with the second air outlet branch pipe 13 . When the first drying tower 1 is in the regeneration process and the second drying tower 2 is in the adsorption process, the first air outlet branch 12 is in the open state, the second air outlet branch 13 is in the closed state, and the hot air from the first drying tower 1 passes through The first air outlet branch pipe 12 enters the muffler 5 through the air outlet main pipe 14 . The first cold air branch pipe 10 , the second cold air branch pipe 11 , the first air outlet branch pipe 12 and the second air outlet branch pipe 13 are all provided with control valves 15 , and the control valves 15 are respectively connected with the control mechanism.

The dry air output pipe comprises a first dry air output branch 16 communicated with the first hot air branch 7 and a second dry air output branch 17 communicated with the second hot air branch 8, the first dry air output branch 16 and the second drying The air output branch pipe 17 is connected to the atmosphere through the dry air output main pipe 18 . When the first drying tower 1 is in the regeneration process and the second drying tower 2 is in the adsorption process, the dry air output from the second drying tower 2 is discharged through the first dry air output branch pipe 16 and then through the dry air output main pipe 18 . The first hot air branch pipe 7, the second hot air branch pipe 8, the first dry air output branch pipe 16 and the second dry air output branch pipe 17 are all provided with control valves 15, and the control valves 15 are respectively connected with the control mechanism.

The working principle of the utility model: when the first drying tower 1 is in the regeneration process and the second drying tower 2 is in the adsorption process, the control valve 15 of the first hot air branch pipe 7 is opened, the control valve 15 of the second hot air branch pipe 8 is closed, and regeneration The gas enters the first drying tower 1 through the hot blast main pipe 6 and the first hot blast sub-pipe 7 to regenerate the adsorbent, the control valve 15 of the first air outlet sub-pipe 12 is opened, the control valve 15 of the second air outlet sub-pipe 13 is closed, and the second air outlet sub-pipe 13 is closed. The hot air coming out of the drying tower 1 enters the muffler 5 through the first air outlet branch pipe 12 through the air outlet main pipe 14 . The control valve 15 of the first cold wind branch pipe 10 is closed, the control valve 15 of the second cold wind branch pipe 11 is opened, and the cold wind then enters the second drying tower 2 from the cold wind main pipe 9 through the second cold wind branch pipe 11 for adsorption, and from the second drying tower 2. The output dry air is discharged through the first dry air output branch pipe 16 and then through the dry air output main pipe 18.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although the first drying tower 1, the second drying tower 2, the blower 3, the electric heater 4, the muffler 5, the hot air main pipe 6, the first hot air branch pipe 7, the second hot air branch pipe 8, and the cold air main pipe 9 are widely used in this paper. , the first cold air branch pipe 10, the second cold air branch pipe 11, the first air outlet branch pipe 12, the second air outlet branch pipe 13, the air outlet main pipe 14, the control valve 15, the first dry air output branch pipe 16, the second dry air output branch pipe 17. Dry air output main pipe 18 and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (6)

1. an air blast reheating absorption drier, it is characterized in that, comprise the first drying tower (1) and the second drying tower (2), described the first drying tower (1) is connected with the air blast (3) natural air can introduced respectively by hot-blast pipe line with the upper end of the second drying tower (2), described hot-blast pipe line is provided with electric heater (4), the cold wind pipeline of air is accessed in the lower end of the first drying tower (1) and the second drying tower (2) respectively by outer end, described cold wind pipeline is communicated with discharge pipe, described discharge pipe is connected with muffler (5), described hot-blast pipe line is connected with dry air efferent duct.

2. air blast reheating absorption drier according to claim 1, it is characterized in that, described hot-blast pipe line comprises hot blast main pipe (6), the air opening end of described hot blast main pipe (6) is connected to the first hot blast and is in charge of (7) and the second hot blast is in charge of (8), described the first drying tower (1) is in charge of (7) and is connected with the first hot blast, described the second drying tower (2) is in charge of (8) and is connected with the second hot blast, the port of export access air of described dry air efferent duct, described cold wind pipeline comprises cold wind supervisor (9) of access air, the air opening end of described cold wind supervisor (9) is connected to the first cold wind and is in charge of (10) and the second cold wind is in charge of (11), described the first drying tower (1) is in charge of (10) and is connected with the first cold wind, described the second drying tower (2) is in charge of (11) and is connected with the second cold wind, the first described cold wind is in charge of (10) and is in charge of (11) with the second cold wind and is all connected with muffler (5) by discharge pipe.

3. air blast reheating absorption drier according to claim 2, it is characterized in that, described discharge pipe comprises the first air-out and is in charge of (12) and the second air-out is in charge of (13), the first described air-out be in charge of (12) be in charge of with the second air-out (13) by air-out supervisor (14) be connected with muffler (5), the first described cold wind is in charge of (10) and is in charge of (12) with the first air-out and is connected, and the second described cold wind is in charge of (11) and is in charge of (13) with the second air-out and is connected.

4. air blast reheating absorption drier according to claim 3, it is characterized in that, the first described cold wind is in charge of (10), the second cold wind is in charge of (11), the first air-out is in charge of (12) and the second air-out and is in charge of on (13) and is equipped with control valve (15), and described control valve (15) is connected with controlling organization respectively.

5. air blast reheating absorption drier according to claim 4, it is characterized in that, described dry air efferent duct comprises to be in charge of the first dry air that (7) be connected and to export to be in charge of (16) and to be in charge of the second dry air that (8) be connected with the second hot blast and export and be in charge of (17) with the first hot blast, the first described dry air exports to be in charge of (16) and the second dry air and to export and be in charge of (17) and exported by dry air and be responsible for (18) and connect with air.

6. air blast reheating absorption drier according to claim 5, it is characterized in that, the first described hot blast is in charge of (7), the second hot blast is in charge of (8), the first dry air exports and is in charge of (16) and the output of the second dry air is in charge of on (17) and is equipped with control valve (15), and described control valve (15) is connected with controlling organization respectively.