Energy-saving drying machine for air compressor and air compressor

Abstract

The utility model provides an energy-saving drying machine for an air compressor and the air compressor. An energy-saving drying machine for an air compressor comprises a tower A, a tower B, an air inlet, an electric heater and an air outlet, the air inlet is connected with the tower A and the tower B through pipelines, the air outlet is connected with the tower A and the tower B through pipelines, the tower B is connected with the air outlet through a pipeline, and the electric heater is connected with the air outlet through a pipeline. And the electric heater is arranged on a pipeline between the tower B and the air outlet. And in the drying stage, wet gas enters the tower A from the air inlet, and the adsorbed dry gas is discharged from the air outlet. In the cold blowing regeneration stage, air at the air outlet is led to cool the drying agent in a cold blowing mode, water remaining on the surface of the adsorbent is removed, then the adsorbent is discharged to the atmosphere, and the adsorbent can have the adsorption function again. A common heatless dryer is upgraded and reformed, the working process of the heatless dryer is changed, the emission amount of regenerated gas is reduced, and therefore the purpose of saving energy is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving drying, in particular to an energy-saving dryer for an air compressor and an air compressor. Background Art

[0002] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials. It is used to dry objects. The dryer heats the material to evaporate the moisture, generally water or other volatile liquid components.

[0003] When the existing dryer is regenerated, it needs to consume compressed air equivalent to 15-20% of the dryer inlet air volume, and all of this compressed air is discharged into the atmosphere. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an energy-saving dryer for an air compressor and an air compressor in view of the deficiencies in the prior art.

[0005] The utility model solves the above technical problems with the following technical solutions: an energy-saving dryer for an air compressor, comprising: a tower A, a tower B, an air inlet, an electric heater, and an air outlet, wherein the air inlet is connected to the tower A and the tower B respectively through pipelines, the air outlet is connected to the tower A and the tower B respectively through pipelines, the tower B is connected to the air outlet through a pipeline, and the electric heater is installed on the pipeline between the tower B and the air outlet.

[0006] The beneficial effects of the technical solution of the utility model are as follows: in the drying stage, the wet gas enters the A tower from the air inlet, and the dry gas after adsorption goes out from the air outlet. In the cold blowing regeneration stage, the outlet gas is introduced to cool the desiccant and remove the moisture remaining on the surface of the adsorbent, and then discharged into the atmosphere, so that the adsorbent can have the adsorption function again. By upgrading and transforming the ordinary heatless dryer, changing its working process, reducing the emission of regeneration gas, the purpose of energy saving is achieved.

[0007] Furthermore, the air inlet is connected to the input end of the A tower and the input end of the B tower through pipelines, and the air outlet is connected to the output end of the A tower and the output end of the B tower through pipelines.

[0008] The beneficial effect of adopting the above further technical solution is that the air inlet, the air outlet, the input end of tower A and the input end of tower B are easily connected through pipelines.

[0009] Furthermore, the B tower is connected to a blower through a pipeline, and a third butterfly valve is provided on the pipeline between the blower and the B tower.

[0010] The beneficial effect of adopting the above further technical solution is: in the heating regeneration stage, the outside air is blown into Tower B by a blower, and then the outside air is heated by an electric heater to reach 180°C ~ 195°C and blown into Tower B, so that the desiccant is desorbed under the action of atmospheric pressure and high temperature, and then discharged into the atmosphere.

[0011] Furthermore, a first passage and a second passage are provided between the air inlet and the tower A and the tower B, the air inlet is connected to the middle of the first passage, the two ends of the first passage are connected to the tower A and the tower B in a one-to-one correspondence, and the two ends of the second passage are connected to the two ends of the first passage in a one-to-one correspondence.

[0012] The beneficial effects of adopting the above further technical solution are: facilitating gas circulation and facilitating different working modes.

[0013] Furthermore, a pair of first butterfly valves are respectively provided on the first passage and the second passage, and the pair of first butterfly valves on the first passage are located on both sides of the air inlet in a one-to-one correspondence.

[0014] The beneficial effect of adopting the above further technical solution is that the four first butterfly valves are arranged in pairs in the first passage and the second passage respectively, so as to control the passages of the A tower and the B tower.

[0015] Furthermore, a third passage and a fourth passage are provided between the air outlet and the A tower and the B tower, the air outlet is connected to the middle of the fourth passage, the two ends of the fourth passage are connected to the A tower and the B tower one by one, and the two ends of the third passage are connected to the two ends of the fourth passage one by one.

[0016] The beneficial effects of adopting the above further technical solution are: facilitating gas circulation and facilitating different working modes.

[0017] Furthermore, the B tower is connected to the air outlet through a fifth passage, the electric heater is installed on the fifth passage, and the electric heater is connected to the third passage through a pipeline.

[0018] The beneficial effect of adopting the above further technical solution is: in the heating regeneration stage, the outside air is blown into Tower B by a blower, and then the outside air is heated by an electric heater to reach 180°C ~ 195°C and blown into Tower B, so that the desiccant is desorbed under the action of atmospheric pressure and high temperature, and then discharged into the atmosphere.

[0019] Furthermore, a one-way valve is provided on the fifth passage between the electric heater and the B tower, and a second butterfly valve is provided on the fifth passage between the electric heater and the air outlet.

[0020] The beneficial effect of adopting the above further technical solution is that two one-way valves are respectively provided on the third passage and the fourth passage, and a one-way valve is provided on the fifth passage, which are used to control the airflow direction of tower A and tower B. A second butterfly valve is provided between the electric heater and the air outlet, and the second butterfly valve is used to control the passage of the electric heater.

[0021] Furthermore, a pair of one-way valves are respectively provided on the third passage and the fourth passage, and the pair of one-way valves on the fourth passage are located on both sides of the air outlet in a one-to-one correspondence.

[0022] The beneficial effect of adopting the above further technical solution is that two one-way valves are respectively provided on the third passage and the fourth passage, and one one-way valve is provided on the fifth passage, which are used to control the airflow guidance of tower A and tower B.

[0023] In addition, the utility model also provides an air compressor, including any one of the energy-saving dryers for air compressors described above.

[0024] The beneficial effects of the technical solution of the utility model are as follows: in the drying stage, the wet gas enters the A tower from the air inlet, and the dry gas after adsorption goes out from the air outlet. In the cold blowing regeneration stage, the outlet gas is introduced to cool the desiccant and remove the moisture remaining on the surface of the adsorbent, and then discharged into the atmosphere, so that the adsorbent can have the adsorption function again. By upgrading and transforming the ordinary heatless dryer, changing its working process, reducing the emission of regeneration gas, the purpose of energy saving is achieved.

[0025] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is one of the structural schematic diagrams of the energy-saving dryer for an air compressor provided in an embodiment of the utility model.

[0027] Explanation of the accompanying figures: 1. Tower A; 2. Tower B; 3. Third butterfly valve; 4. Blower; 5. Air inlet; 6. First butterfly valve; 7. Electric heater; 8. Second butterfly valve; 9. Check valve; 10. Air outlet. DETAILED DESCRIPTION

[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The embodiments given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0029] like Figure 1As shown, an embodiment of the utility model provides an energy-saving dryer for an air compressor, comprising: a tower A 1, a tower B 2, an air inlet 5, an electric heater 7, and an air outlet 10, wherein the air inlet 5 is connected to the tower A 1 and the tower B 2 respectively through pipelines, the air outlet 10 is connected to the tower A 1 and the tower B 2 respectively through pipelines, the tower B 2 is connected to the air outlet 10 through a pipeline, and the electric heater 7 is installed on the pipeline between the tower B 2 and the air outlet 10.

[0030] The beneficial effects of the technical solution of the utility model are as follows: in the drying stage, the wet gas enters the A tower from the air inlet, and the dry gas after adsorption goes out from the air outlet. In the cold blowing regeneration stage, the outlet gas is introduced to cool the desiccant and remove the moisture remaining on the surface of the adsorbent, and then discharged into the atmosphere, so that the adsorbent can have the adsorption function again. By upgrading and transforming the ordinary heatless dryer, changing its working process, reducing the emission of regeneration gas, the purpose of energy saving is achieved.

[0031] Figure 1 In the figure, the air inlet 5 is humid air, and the air outlet 10 is dry air.

[0032] like Figure 1 As shown, further, the air inlet 5 is connected to the input end of the A tower 1 and the input end of the B tower 2 through pipelines, and the air outlet 10 is connected to the output end of the A tower 1 and the output end of the B tower 2 through pipelines.

[0033] The beneficial effect of adopting the above further technical solution is that the air inlet, the air outlet, the input end of tower A and the input end of tower B are easily connected through pipelines.

[0034] like Figure 1 As shown, further, the B tower 2 is connected to a blower 4 through a pipeline, and a third butterfly valve 3 is provided on the pipeline between the blower 4 and the B tower 2.

[0035] The beneficial effect of adopting the above further technical solution is: in the heating regeneration stage, the outside air is blown into Tower B by a blower, and then the outside air is heated by an electric heater to reach 180°C ~ 195°C and blown into Tower B, so that the desiccant is desorbed under the action of atmospheric pressure and high temperature, and then discharged into the atmosphere.

[0036] like Figure 1 As shown, further, a first passage and a second passage are provided between the air inlet 5 and the A tower 1 and the B tower 2, the air inlet 5 is connected to the middle of the first passage, the two ends of the first passage are connected to the A tower 1 and the B tower 2 one by one, and the two ends of the second passage are connected to the two ends of the first passage one by one.

[0037] The beneficial effects of adopting the above further technical solution are: facilitating gas circulation and facilitating different working modes.

[0038] like Figure 1 As shown, further, a pair of first butterfly valves 6 are respectively provided on the first passage and the second passage, and the pair of first butterfly valves on the first passage are located on both sides of the air inlet 5 in a one-to-one correspondence.

[0039] The beneficial effect of adopting the above further technical solution is that the four first butterfly valves are arranged in pairs in the first passage and the second passage respectively, so as to control the passages of the A tower and the B tower.

[0040] like Figure 1 As shown, further, a third passage and a fourth passage are provided between the air outlet 10 and the A tower 1 and the B tower 2, the air outlet 10 is connected to the middle part of the fourth passage, the two ends of the fourth passage are connected to the A tower 1 and the B tower 2 one by one, and the two ends of the third passage are connected to the two ends of the fourth passage one by one.

[0041] The beneficial effects of adopting the above further technical solution are: facilitating gas circulation and facilitating different working modes.

[0042] like Figure 1 As shown, further, the B tower 2 is connected to the air outlet 10 through a fifth passage, the electric heater 7 is installed on the fifth passage, and the electric heater 7 is connected to the third passage through a pipeline.

[0043] The beneficial effect of adopting the above further technical solution is: in the heating regeneration stage, the outside air is blown into Tower B by a blower, and then the outside air is heated by an electric heater to reach 180°C ~ 195°C and blown into Tower B, so that the desiccant is desorbed under the action of atmospheric pressure and high temperature, and then discharged into the atmosphere.

[0044] like Figure 1 As shown, further, a one-way valve 9 is provided on the fifth passage between the electric heater 7 and the B tower, and a second butterfly valve 8 is provided on the fifth passage between the electric heater 7 and the air outlet 10.

[0045] The beneficial effect of adopting the above further technical solution is that two one-way valves are respectively provided on the third passage and the fourth passage, and a one-way valve is provided on the fifth passage, which are used to control the airflow direction of tower A and tower B. A second butterfly valve is provided between the electric heater and the air outlet, and the second butterfly valve is used to control the passage of the electric heater.

[0046] like Figure 1As shown, further, a pair of one-way valves 9 are respectively provided on the third passage and the fourth passage, and the pair of one-way valves 9 on the fourth passage are located on both sides of the air outlet 10 in a one-to-one correspondence.

[0047] The beneficial effect of adopting the above further technical solution is that two one-way valves are respectively provided on the third passage and the fourth passage, and one one-way valve is provided on the fifth passage, which are used to control the airflow guidance of tower A and tower B.

[0048] like Figure 1 As shown, the utility model provides an energy-saving dryer for an air compressor, which can be a new energy-saving dryer for an air compressor, comprising a tower A 1, a tower B 2, an air inlet 5 and an air outlet 10, a first passage and a second passage are provided between the air inlet 5 and the input ends of the tower A 1 and the tower B 2, a blower 4 is provided on the outside of the tower B 2, a third butterfly valve 3 is provided between the blower 4 and the tower B 2, a third passage and a fourth passage are provided at the output ends of the tower A 1 and the tower B 2 and connected to the air outlet 10, a fifth passage is provided on the outside of the tower B 2, the fifth passage is connected to the air outlet 10, an electric heater 7 is provided on the fifth passage, and the electric heater 7 is communicated with the third passage.

[0049] By upgrading and renovating ordinary heatless dryers, changing their working process and reducing the emission of regeneration gas, the purpose of energy saving can be achieved.

[0050] The first butterfly valves 6 are fixedly installed on the first passage and the second passage. Four first butterfly valves 6 are provided. The four first butterfly valves 6 are arranged in pairs in the first passage and the second passage, respectively, for controlling the passages of the A tower 1 and the B tower 2 .

[0051] One-way valves 9 are provided on the third passage, the fourth passage and the fifth passage. There are five one-way valves 9, two one-way valves 9 are provided on the third passage and the fourth passage respectively, and one one-way valve 9 is provided on the fifth passage, which are used to control the airflow direction of tower A 1 and tower B 2.

[0052] A second butterfly valve 8 is provided between the electric heater 7 and the air outlet 10 , and the second butterfly valve 8 is used to control the passage of the electric heater 7 .

[0053] Working principle:

[0054] like Figure 1 As shown, in the drying stage, the wet gas enters the A tower 1 from the air inlet 5, and the dry gas after adsorption goes out from the air outlet 10; in the heating regeneration stage, the outside air is blown into the B tower 2 by the blower 4, and then the outside air is heated by the electric heater 7 to 180℃~195℃ and blown into the B tower 2, so that the desiccant is desorbed under the action of atmospheric pressure and high temperature, and then discharged to the atmosphere. In this stage, the temperature is energy-saving controlled, and the heating is stopped when the heating temperature reaches the process requirement temperature;

[0055] In the cold-blowing regeneration stage, the gas from the outlet 10 is used to cool the desiccant and remove the moisture remaining on the surface of the adsorbent, and then discharged into the atmosphere, so that the adsorbent can have the adsorption function again. After the temperature is cooled to the set temperature, the cooling is stopped, the pressure is maintained and the system is on standby to prepare for the next cycle of adsorption.

[0056] In addition, the utility model also provides an air compressor, including any one of the energy-saving dryers for air compressors described above.

[0057] The beneficial effects of the technical solution of the utility model are as follows: in the drying stage, the wet gas enters the A tower from the air inlet, and the dry gas after adsorption goes out from the air outlet. In the cold blowing regeneration stage, the outlet gas is introduced to cool the desiccant and remove the moisture remaining on the surface of the adsorbent, and then discharged into the atmosphere, so that the adsorbent can have the adsorption function again. By upgrading and transforming the ordinary heatless dryer, changing its working process, reducing the emission of regeneration gas, the purpose of energy saving is achieved.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An energy-saving dryer for an air compressor, characterized in that: include: Tower A, Tower B, an air inlet, an electric heater, and an air outlet, wherein the air inlet is connected to Tower A and Tower B respectively through pipelines, the air outlet is connected to Tower A and Tower B respectively through pipelines, Tower B is connected to the air outlet through a pipeline, and the electric heater is installed on the pipeline between Tower B and the air outlet.

2. The energy-saving dryer for air compressor according to claim 1, characterized in that: The air inlet is connected to the input end of the A tower and the input end of the B tower through pipelines, and the air outlet is connected to the output end of the A tower and the output end of the B tower through pipelines.

3. The energy-saving dryer for air compressor according to claim 1, characterized in that: The B tower is connected to a blower through a pipeline, and a third butterfly valve is arranged on the pipeline between the blower and the B tower.

4. The energy-saving dryer for air compressor according to claim 1, characterized in that: A first passage and a second passage are provided between the air inlet and the tower A and the tower B. The air inlet is connected to the middle of the first passage, two ends of the first passage are connected to the tower A and the tower B in a one-to-one correspondence, and two ends of the second passage are connected to the two ends of the first passage in a one-to-one correspondence.

5. The energy-saving dryer for air compressor according to claim 4, characterized in that: A pair of first butterfly valves are respectively provided on the first passage and the second passage, and the pair of first butterfly valves on the first passage are located on both sides of the air inlet in a one-to-one correspondence.

6. The energy-saving dryer for air compressor according to claim 1, characterized in that: A third passage and a fourth passage are provided between the air outlet and the A tower and the B tower. The air outlet is connected to the middle of the fourth passage, two ends of the fourth passage are connected to the A tower and the B tower in a one-to-one correspondence, and two ends of the third passage are connected to two ends of the fourth passage in a one-to-one correspondence.

7. The energy-saving dryer for air compressor according to claim 6, characterized in that: The B tower is connected to the air outlet through a fifth passage, the electric heater is installed on the fifth passage, and the electric heater is connected to the third passage through a pipeline.

8. The energy-saving dryer for air compressor according to claim 7, characterized in that: A one-way valve is provided on the fifth passage between the electric heater and the B tower, and a second butterfly valve is provided on the fifth passage between the electric heater and the air outlet.

9. The energy-saving dryer for air compressor according to claim 6, characterized in that: A pair of one-way valves are respectively disposed on the third passage and the fourth passage, and the pair of one-way valves on the fourth passage are located on both sides of the air outlet in a one-to-one correspondence.

10. An air compressor, characterized in that: An energy-saving dryer for an air compressor comprising the above-mentioned any one of claims 1 to 9.

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