Steam drying device

Abstract

The utility model belongs to the technical field of drying equipment, and particularly relates to a steam drying device which comprises an air inlet. The air inlet is sequentially connected with a main pipeline, an input pipeline, a heating assembly, a discharge pipeline and an air outlet through pipelines; the main pipeline comprises a stop valve, a filter and a first electromagnetic valve which are connected in sequence; the input pipeline comprises a fourth control valve, a pressure regulating valve, a pressure gauge and a second electromagnetic valve which are connected in sequence; the heating assembly comprises a heater; the discharge pipeline comprises a second control valve; a standby pipeline is connected between the main pipeline and the heating assembly through a pipeline. The standby pipeline comprises a first control valve, by arranging the standby pipeline, after part of the pipelines break down, the machine does not need to be shut down to wait for work during maintenance, production operation can be continued in the maintenance process through the standby pipeline, the production efficiency is improved, and safety and reliability are better achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying equipment, and specifically relates to a steam drying device. Background Art

[0002] Steam drying is a method of drying materials using superheated high-temperature steam as a heat source, and is widely used in many fields, such as metallurgy, food processing, textile, chemical industry, paper product manufacturing, and wood processing.

[0003] During the process of heat transfer, steam releases a large amount of heat, which can be provided to the moisture in the wet material, causing its temperature to rise. As the temperature of the wet material rises, the moisture in it begins to gradually evaporate. As the moisture gradually evaporates, the water content in the wet material decreases, and finally the drying requirements are met.

[0004] In the prior art, steam needs to be transported using pipelines. When a section of the conveying pipeline fails, the entire machine needs to be stopped for maintenance. During the maintenance process, the machine stops working, resulting in production delays and affecting the production speed.

[0005] Therefore, the utility model provides a steam drying device. Summary of the Utility Model

[0006] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: A steam drying device described in the utility model includes an air inlet; a main pipeline, an input pipeline, a heating component, a discharge pipeline, and an air outlet are sequentially connected to the air inlet through pipelines; the main pipeline includes a stop valve, a filter, and a first solenoid valve, all of which are sequentially connected; the input pipeline includes a fourth control valve, a pressure regulating valve, a pressure gauge, and a second solenoid valve, all of which are sequentially connected; the heating component includes a heater; the discharge pipeline includes a second control valve; a spare pipeline is also connected between the main pipeline and the heating component through a pipeline; the spare pipeline includes a first control valve. Through the above structure, after a part of the pipeline fails, the machine does not need to stop for work during maintenance, and production operations can continue during the maintenance process through the spare pipeline, improving production efficiency and being safer and more reliable.

[0008] Preferably, an inspection pipeline is connected between the main pipeline and the discharge pipeline through a pipeline; the inspection pipeline includes a steam trap and a check valve, both of which are sequentially connected.

[0009] Preferably, a drain pipe is connected between the heating component and the discharge pipeline through a pipe; the drain pipe includes a third control valve and a drain port, which are connected in sequence; the drain pipe is arranged between the heater and the second control valve. Through the above structure, the condensed water generated during the intersection of steam and materials can be discharged through the drain port on the drain pipe, realizing the collection and utilization of the condensed water.

[0010] Preferably, all the pipes are made of SUS304 stainless steel. Through the above structure, when transporting hot steam, it has better safety and stability.

[0011] Preferably, a buffer pipe is fixedly connected to the input pipeline; the pressure gauge is connected to the input pipeline through the buffer pipe. Through the above structure, the damage to the pressure gauge caused by the high temperature of the hot steam can be reduced, and the protection effect on the pressure gauge is improved.

[0012] Preferably, heat insulation sleeves are provided on all the pipes. Through the above structure, the heat volatilization of the steam can be reduced when the hot steam flows inside the pipes, making the drying effect of the steam better.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. For the steam drying device of the present utility model, by providing a standby pipeline, after some pipelines fail, the machine does not need to stop working during maintenance, and production operations can continue through the standby pipeline during maintenance, improving production efficiency and being safer and more reliable.

[0015] 2. For the steam drying device of the present utility model, the filter on the main pipeline can filter the input steam, improving the quality of the steam. The first solenoid valve on the main pipeline plays a role of blocking, the pressure regulating valve on the input pipeline plays a role of temperature regulation, the pressure gauge on the input pipeline plays a role of pressure detection, and the second solenoid valve on the input pipeline adjusts the pressure inside the pipeline according to the detection result of the pressure gauge, protecting the stability and safety of the pipeline during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described below with reference to the accompanying drawings.

[0017] Figure 1 is a perspective view of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the main pipeline in the present utility model;

[0019] Figure 3 is a schematic structural diagram of the input pipeline in the present utility model;

[0020] Figure 4It is a schematic structural diagram of the maintenance pipeline in the present utility model;

[0021] Figure 5 It is a schematic structural diagram of the heat preservation sleeve in the present utility model;

[0022] In the figure: 1. Air inlet; 2. Globe valve; 3. Filter; 4. First solenoid valve; 5. Steam trap; 6. Pressure regulating valve; 7. Pressure gauge; 8. Second solenoid valve; 9. Air outlet; 10. Heater; 11. First control valve; 12. Second control valve; 13. Third control valve; 14. Drain port; 15. Check valve; 16. Fourth control valve; 17. Heat preservation sleeve. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] As Figures 1 to 3 shown, a steam drying device described in an embodiment of the present utility model includes an air inlet 1; a main pipeline, an input pipeline, a heating component, a discharge pipeline and an air outlet 9 are sequentially connected to the air inlet 1 through pipelines; the main pipeline includes a globe valve 2, a filter 3 and a first solenoid valve 4, which are all sequentially connected; the input pipeline includes a fourth control valve 16, a pressure regulating valve 6, a pressure gauge 7 and a second solenoid valve 8, which are all sequentially connected; the heating component includes a heater 10; the discharge pipeline includes a second control valve 12; a spare pipeline is also connected between the main pipeline and the heating component through a pipeline; the spare pipeline includes a first control valve 11, which conveys steam into the pipeline through the air inlet 1. During normal operation, the steam sequentially passes through the main pipeline and the input pipeline and enters the heating component. The material is dried by the heater 10, and then the steam continues to flow through the discharge pipeline and is finally discharged through the air outlet 9. When a fault occurs in the input pipeline, by closing the switch of the fourth control valve 16 and then opening the switch of the first control valve 11, the steam flows through the main pipeline and then flows to the spare pipeline and flows into the heating component through the spare pipeline to continue the production operation. By setting the spare pipeline, after a fault occurs in some pipelines, the machine does not need to stop for maintenance during the repair, and the production operation can continue through the spare pipeline during the repair process, improving the production efficiency and being safer and more reliable. The filter 3 on the main pipeline can filter the input steam, improving the quality of the steam. The first solenoid valve 4 on the main pipeline plays a role in blocking. The pressure regulating valve 6 on the input pipeline plays a role in temperature regulation. The pressure gauge 7 on the input pipeline plays a role in pressure detection. The second solenoid valve 8 on the input pipeline adjusts the pressure inside the pipeline according to the detection result of the pressure gauge 7, protecting the stability and safety of the pipeline during operation.

[0025] As Figures 1 to 4 shown, a maintenance pipeline is connected between the main pipeline and the discharge pipeline through a pipe; the maintenance pipeline includes a steam trap 5 and a check valve 15, which are connected in sequence. During operation, by providing a maintenance pipeline between the main pipeline and the discharge pipeline, when the heating component still does not work after using the standby pipeline, by closing the switches of the fourth control valve 16, the first control valve 11 and the second control valve 12, the steam passes through the main pipeline, the maintenance pipeline and the discharge pipeline in sequence, and finally flows out from the air outlet 9. During this process, the heating component and the entire pipeline are maintained.

[0026] As Figure 1 shown, a drain pipeline is connected between the heating component and the discharge pipeline through a pipe; the drain pipeline includes a third control valve 13 and a drain port 14, which are connected in sequence; the drain pipeline is arranged between the heater 10 and the second control valve 12. During operation, by providing a drain pipeline between the heating component and the discharge pipeline, by opening the switch of the third control valve 13, the condensed water generated during the intersection of steam and materials can be discharged through the drain port 14 on the drain pipeline, realizing the collection and utilization of the condensed water.

[0027] All the pipes are made of SUS304 stainless steel. During operation, by using SUS304 stainless steel pipes, better plasticity and toughness can be maintained in a high-temperature environment, and better safety and stability can be achieved when transporting hot steam.

[0028] All components and pipes are connected by flanges. During operation, connecting the pipes and components by flanges has the characteristics of being easy to disassemble and having stronger sealing performance, making it more convenient and faster to repair the pipeline.

[0029] A buffer pipe is fixedly connected to the input pipeline; the pressure gauge 7 is connected to the input pipeline through the buffer pipe. During operation, by connecting the pressure gauge 7 with the buffer pipe, the damage to the pressure gauge 7 caused by the high temperature of the hot steam can be reduced, improving the protection effect on the pressure gauge 7.

[0030] As Figure 5 shown, heat insulation sleeves 17 are provided on all the pipes. During operation, by providing heat insulation sleeves 17 on the pipes, the heat volatilization of the steam can be reduced when the hot steam flows inside the pipes, making the drying effect of the steam better.

[0031] Working principle: Steam is transported into the pipeline through the air inlet 1. During normal operation, the steam passes through the main pipeline and the input pipeline in sequence and enters the heating component. The material is dried by the heater 10. Then, the steam continues to flow through the discharge pipeline and finally discharges through the air outlet 9. When a fault occurs in the input pipeline, by closing the switch of the fourth control valve 16 and then opening the switch of the first control valve 11, the steam flows towards the standby pipeline after passing through the main pipeline, flows into the heating component through the standby pipeline, and continues the production operation. By providing a maintenance pipeline between the main pipeline and the discharge pipeline, when the heating component still does not work after using the standby pipeline, by closing the switches of the fourth control valve 16, the first control valve 11, and the second control valve 12, the steam passes through the main pipeline, the maintenance pipeline, and the discharge pipeline in sequence and finally flows out from the air outlet 9. During this process, the heating component and the entire pipeline are maintained. By providing a drainage pipeline between the heating component and the discharge pipeline, by opening the switch of the third control valve 13, the condensed water generated during the intersection of the steam and the material can be discharged through the drainage port 14 on the drainage pipeline, realizing the collection and utilization of the condensed water. By using SUS304 stainless steel pipes, better plasticity and toughness can be maintained in a high-temperature environment. When transporting hot steam, it has better safety and stability. The pipeline and components are connected by flanges, which has the characteristics of being easy to disassemble and having stronger sealing performance, making it more convenient and fast for pipeline maintenance. By connecting the pressure gauge 7 with a buffer pipe, the damage of the high temperature of the hot steam to the pressure gauge 7 can be reduced, improving the protection effect on the pressure gauge 7. By providing a heat insulation sleeve 17 on the pipeline, the heat volatilization of the steam can be reduced when the hot steam flows inside the pipeline, making the drying effect of the steam better.

[0032] The above shows and describes the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A steam drying device, comprising an air inlet (1); characterized in that: The air inlet (1) is connected in sequence to a main pipeline, an input pipeline, a heating component, a discharge pipeline and an air outlet (9) through pipelines; The main pipeline comprises a stop valve (2), a filter (3) and a first solenoid valve (4), all of which are connected in sequence; The input pipeline comprises a fourth control valve (16), a pressure regulating valve (6), a pressure gauge (7) and a second solenoid valve (8), all of which are connected in sequence; The heating assembly comprises a heater (10); The discharge pipeline includes a second control valve (12); A spare pipeline is also connected between the main pipeline and the heating component via a pipeline; the spare pipeline includes a first control valve (11).

2. A steam drying device according to claim 1, characterized in that: A maintenance pipeline is connected between the main pipeline and the discharge pipeline via a pipeline; the maintenance pipeline comprises a drain valve (5) and a one-way valve (15), which are connected in sequence.

3. A steam drying device according to claim 2, characterized in that: A drainage pipeline is connected between the heating component and the discharge pipeline via a pipe; the drainage pipeline comprises a third control valve (13) and a drainage port (14), which are connected in sequence; the drainage pipeline is arranged between the heater (10) and the second control valve (12).

4. A steam drying device according to claim 3, characterized in that: The pipes are all made of SUS304 stainless steel.

5. A steam drying device according to claim 4, characterized in that: A buffer tube is fixedly connected to the input pipeline; the pressure gauge (7) is connected to the input pipeline via the buffer tube.

6. A steam drying device according to claim 5, characterized in that: The pipelines are all provided with insulation sleeves (17).

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