CN217490356U - Environment-friendly energy-saving adsorption dryer for air separation equipment - Google Patents
Environment-friendly energy-saving adsorption dryer for air separation equipment Download PDFInfo
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- CN217490356U CN217490356U CN202221056138.XU CN202221056138U CN217490356U CN 217490356 U CN217490356 U CN 217490356U CN 202221056138 U CN202221056138 U CN 202221056138U CN 217490356 U CN217490356 U CN 217490356U
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Abstract
The utility model belongs to the technical field of adsorption type drier equipment, and aims to provide an adsorption type drier for an environment-friendly energy-saving air separation plant, which comprises a compressed air inlet, wherein the compressed air inlet is connected with a drier, the drier is respectively connected with a dust filter and a regenerated gas storage tank, the rear end of the dust filter is connected with a clean air buffer tank, the rear end of the clean air buffer tank is connected with an air separation plant, and the air separation plant is connected with a qualified gas outlet; and one end of a pipeline at the bottom of the air separation plant is connected with a regenerated gas storage tank, and the other end of the pipeline is connected with a first silencer. The utility model has the characteristics of compact structure, drying efficiency height, waste gas recycle, energy-concerving and environment-protective etc, can extensively be used for all kinds of industrial air separation equipment technical field.
Description
Technical Field
The utility model belongs to the technical field of adsorption dryer equipment, concretely relates to environmental protection and energy saving type is adsorption dryer for air separation plant.
Background
At present, most of existing air separation equipment uses air as a raw material, adopts a molecular sieve as an adsorbent, and adopts a pressure swing adsorption principle to selectively adsorb oxygen and nitrogen so as to separate the nitrogen and the oxygen. The air separation equipment is widely applied due to the characteristics of simple process flow, high automation degree, fast gas production, low energy consumption and the like.
In air separation plant operation, it is often necessary to provide a source of stable, dry air through an adsorption dryer. In the desorption (regeneration) process of the adsorption dryer, a part of clean compressed air is consumed to take away the moisture adsorbed by the adsorbent, and then the water is discharged through the silencer at the lower part, so that the adsorption capacity of the adsorbent is recovered. In addition, the adsorption dryer can also use a heater to heat the regeneration gas to reduce the consumption of the regeneration gas, for example, patent number "ZL 202122179949.0" discloses an energy-saving adsorption dryer, in which a heater is arranged between a first adsorption tower and a second adsorption tower, and the adsorption dryer has the characteristics of simple structure, small volume, stable dew point control, etc. However, the heating power adopted by the adsorption dryer is a fixed value, and fixed electric energy is consumed every day, so that the adsorption dryer is not energy-saving and environment-friendly. Therefore, the existing adsorption type dryer is yet to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide an environmental protection and energy saving type adsorption dryer for air separation plant, have characteristics such as compact structure, drying efficiency height, waste gas recycle, energy-concerving and environment-protective, can extensively be used for all kinds of industry air separation plant technical field.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an adsorption dryer for an environment-friendly energy-saving air separation plant comprises a compressed air inlet, wherein the compressed air inlet is connected with the dryer, the dryer is respectively connected with a dust filter and a regenerated gas storage tank, the rear end of the dust filter is connected with a clean air buffer tank, the rear end of the clean air buffer tank is connected with an air separation plant, and the air separation plant is connected with a qualified gas outlet; and one end of a pipeline at the bottom of the air separation plant is connected with a regenerated gas storage tank, and the other end of the pipeline is connected with a first silencer.
As an improvement, the dryer comprises a first adsorption tower and a second adsorption tower which are arranged side by side, the bottoms of the first adsorption tower and the second adsorption tower are connected with a compressed air inlet through a pipeline, and a plurality of pneumatic valves are arranged on the pipeline.
As an improvement, the pneumatic valve is connected with the PLC, and double-tower automatic pressure equalizing is realized through the PLC.
As an improvement, the PLC is connected with an electromagnetic valve.
As an improvement, the bottom pipeline ends of the first adsorption tower and the second adsorption tower are provided with second silencers.
As an improvement, the top parts of the regeneration gas storage tank and the clean air buffer tank are respectively provided with a safety valve.
As an improvement, regeneration gas storage jar with clean room gas buffer tank all adopts stainless steel, and the barrel wall thickness is less than or equal to 5mm, and the highest withstand voltage value is 1.5 MPa.
The utility model discloses the beneficial effect who gains does: an environment-friendly energy-saving adsorption dryer special for an air separation plant has the characteristics of compact structure, high drying efficiency, recyclable waste gas, energy conservation, environment friendliness and the like; the regenerated gas storage tank is arranged at the rear end of the dryer and connected to the pipeline at the bottom of the air separation device, so that clean waste gas generated by the air separation device is stored, the clean waste gas generated by the air separation device has less moisture compared with clean compressed air, the waste gas is used for desorption (regeneration), the compressed air consumption of the dryer can be effectively reduced, a heater is not needed for heating the regenerated gas, the consumption of electric energy is reduced, and the purposes of saving energy and reducing consumption are achieved; in addition, by arranging the PLC control system in the dryer, the first adsorption tower and the second adsorption tower can be intelligently controlled, double-tower automatic pressure equalizing is realized, the pressure equalizing efficiency is improved, and the air supply stability is ensured.
Drawings
Fig. 1 is the structure schematic diagram of the special adsorption dryer for the environment-friendly energy-saving air separation plant.
In the figure: 1. compressed air import, 2, desiccator, 3, dust filter, 4, regeneration gas storage jar, 5, clean air buffer tank, 6, air separation equipment, 7, qualified gas outlet, 8, first muffler, 9, relief valve, 10, first adsorption tower, 11, second adsorption tower, 12, pneumatic valve, 13, PLC controller, 14, solenoid valve, 15, second muffler.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the adsorption dryer for an environment-friendly energy-saving air separation plant of this embodiment includes a compressed air inlet 1, the compressed air inlet 1 is connected to a dryer 2, the dryer 2 is respectively connected to a dust filter 3 and a regenerated gas storage tank 4, a clean air buffer tank 5 is connected to a rear end of the dust filter 3, an air separation plant 6 is connected to a rear end of the clean air buffer tank 5, and the air separation plant 6 is connected to a qualified gas outlet 7; 7 bottom pipeline one end of air separation plant connects regeneration gas storage jar 4, and first muffler 8 is connected to the other end, through first muffler 8 with unnecessary waste gas emission.
Further, the dryer 2 comprises a first adsorption tower 10 and a second adsorption tower 11 which are arranged side by side, the bottoms of the first adsorption tower 10 and the second adsorption tower 11 are connected with the compressed air inlet 1 through a pipeline, and a plurality of pneumatic valves 12 are arranged on the pipeline; specifically, the pneumatic valve 12 is connected with the PLC controller 13, and double-tower automatic voltage equalization is realized through the PLC controller 13, so that voltage equalization efficiency is improved; more specifically, the PLC controller 13 is also connected to a solenoid valve 14.
Further, the second silencers 15 are arranged at the tail ends of the bottom pipelines of the first adsorption tower 10 and the second adsorption tower 11, so that the discharged waste gas can be effectively subjected to silencing treatment, and the noise pollution is reduced.
Further, safety valves 9 are arranged at the tops of the regenerated gas storage tank 4 and the clean gas buffer tank 5; furthermore, the regenerated gas storage tank 4 and the clean gas buffer tank 5 are both made of stainless steel, the wall thickness of the cylinder body is less than or equal to 5mm, and the highest pressure resistance value is 1.5 MPa; specifically, the safety valve 9 sets a safety pressure relief value to be 1.2MPa, so that the safety of the tank body under the working condition is ensured.
Finally, it should be noted that the above-mentioned list is only a specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (7)
1. The adsorption dryer for the environment-friendly and energy-saving air separation equipment is characterized by comprising a compressed air inlet (1), wherein the compressed air inlet (1) is connected with a dryer (2), the dryer (2) is respectively connected with a dust filter (3) and a regenerated gas storage tank (4), the rear end of the dust filter (3) is connected with a clean air buffer tank (5), the rear end of the clean air buffer tank (5) is connected with an air separation device (6), and the air separation device (6) is connected with a qualified gas outlet (7); and one end of a pipeline at the bottom of the air separation plant (6) is connected with a regenerated gas storage tank (4), and the other end of the pipeline is connected with a first silencer (8).
2. The adsorption dryer for an air separation plant in an environment-friendly and energy-saving manner as claimed in claim 1, wherein the dryer (2) comprises a first adsorption tower (10) and a second adsorption tower (11) which are arranged side by side, the bottoms of the first adsorption tower (10) and the second adsorption tower (11) are connected with the compressed air inlet (1) through a pipeline, and a plurality of pneumatic valves (12) are arranged on the pipeline.
3. The adsorption dryer for an air separation plant in an environment-friendly and energy-saving manner as claimed in claim 2, wherein the pneumatic valve (12) is connected with a PLC (13), and the PLC (13) is used for realizing double-tower automatic pressure equalization.
4. The adsorption dryer for an air separation plant of the environmental protection and energy saving type according to claim 3, characterized in that the PLC controller (13) is connected with an electromagnetic valve (14).
5. The adsorption dryer for an air separation plant of environmental protection and energy saving type according to claim 2, characterized in that the bottom pipe ends of the first adsorption tower (10) and the second adsorption tower (11) are provided with a second muffler (15).
6. The adsorption dryer for an air separation plant of environmental protection and energy saving type according to claim 1, characterized in that a safety valve (9) is provided at the top of each of the regeneration gas storage tank (4) and the clean gas buffer tank (5).
7. The adsorption dryer for an air separation plant in an environment-friendly and energy-saving manner as claimed in claim 6, wherein the regenerated gas storage tank (4) and the clean gas buffer tank (5) are both made of stainless steel, the wall thickness of the cylinder body is less than or equal to 5mm, and the highest pressure resistance value is 1.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221056138.XU CN217490356U (en) | 2022-05-06 | 2022-05-06 | Environment-friendly energy-saving adsorption dryer for air separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221056138.XU CN217490356U (en) | 2022-05-06 | 2022-05-06 | Environment-friendly energy-saving adsorption dryer for air separation equipment |
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| CN217490356U true CN217490356U (en) | 2022-09-27 |
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| CN202221056138.XU Active CN217490356U (en) | 2022-05-06 | 2022-05-06 | Environment-friendly energy-saving adsorption dryer for air separation equipment |
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2022
- 2022-05-06 CN CN202221056138.XU patent/CN217490356U/en active Active
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