CN218393027U - Adsorption type drying device - Google Patents
Adsorption type drying device Download PDFInfo
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- CN218393027U CN218393027U CN202222513498.4U CN202222513498U CN218393027U CN 218393027 U CN218393027 U CN 218393027U CN 202222513498 U CN202222513498 U CN 202222513498U CN 218393027 U CN218393027 U CN 218393027U
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Abstract
The utility model discloses an absorption formula drying device, including first drying tower, second drying tower, first cooler, second cooler, first gas-water separator, second gas-water separator, intake pipe, outlet duct, connect one to seventeen pipelines between above-mentioned each device to and the valve. Compared with the prior art, the device leads the compressed air to the shell side and the cooling water to the tube side, thereby being beneficial to the long-time safe operation of the cooler, avoiding the tube blockage caused by the corrosion of fins and ensuring the cooling quality and efficiency; through the opening and closing of electromagnetic valves on various pipelines between the program control cooler and the drying tower, the switching of various working modes can be realized, the phenomenon that pipelines are corroded and blocked due to long-time running is avoided, the cooling quality and the cooling efficiency are guaranteed, meanwhile, the balance and the stability of three stages in the drying process are better realized, the service life of the cooler and the service life of a molecular sieve of the drying tower are effectively prolonged, the production fluctuation is avoided, and the low-carbon and low-cost production is realized.
Description
Technical Field
The utility model relates to an absorption formula drying device belongs to cooling arrangement technical field.
Background
In the preparation of compressed air, the compressed air is usually cooled by a cooler, and then passes through a drying tower to adsorb moisture in the compressed air by using a molecular sieve. The cooler is a heat exchange device for cooling water and compressed air, and is usually disposed near the drying tower. After heat exchange is carried out between high-temperature compressed air discharged by an air compressor and cooling water, the temperature is reduced to generate condensed water, the condensed water is discharged through a gas-water separator, the compressed air with the reduced temperature enters a molecular sieve drying tower to further remove the water in the compressed air to reach the dew point of-20 to-80 ℃, and the condensed water is supplied for workshop network air and weaving air, so that normal work of air-using equipment is ensured. However, in the existing cooler, the flow is that air flows through a tube pass, cooling water flows through a shell pass, fins are arranged in the tube pass to increase the heat exchange area, and along with the lengthening of the operation time, the fins are corroded and collapsed to block an air passage, so that the air supply quantity is reduced, the production is influenced, and the removal of the fins causes the reduction of the heat exchange area, hot air cannot be sufficiently cooled, and the dehumidification effect of the drying tower is influenced. There is a need to improve this.
SUMMERY OF THE UTILITY MODEL
Based on the foregoing, the utility model provides an absorption formula drying device utilizes the different heat transfer efficiency of water and gentleness, adopts rational design to realize guaranteeing to reduce compressed air temperature, can operate for a long time again and ensure compressed air flow to overcome prior art's not enough.
The technical scheme of the utility model is that: an adsorption drying device comprises a first drying tower, a second drying tower, a first cooler, a second cooler, a first gas-water separator, a second gas-water separator, an air inlet pipe and an air outlet pipe, wherein the outlet end of the air inlet pipe is respectively connected with a first pipeline and a second pipeline;
the first pipeline is connected with a shell side inlet of the first cooler, a shell side outlet of the first cooler is connected with the first gas-water separator through a pipeline, a tube side of the first cooler is used as a water passage, an outlet of the first gas-water separator is connected with the third pipeline, the third pipeline is connected with an inlet of the first drying tower sequentially through the fourth pipeline and the fifth pipeline, an outlet of the first drying tower is respectively connected with the sixth pipeline and the seventh pipeline, and the sixth pipeline is connected with an air outlet pipe;
the two pipelines are respectively connected with eight pipelines and nine pipelines, the nine pipelines are respectively connected with ten pipelines and eleven pipelines, the ten pipelines are connected with a shell side inlet of a second cooler, a shell side outlet of the second cooler is connected with a second gas-water separator, a tube side of the second cooler is used as a water channel, an outlet of the second gas-water separator is connected with twelve pipelines, the twelve pipelines are respectively connected with thirteen pipelines and fourteen pipelines, the thirteen pipelines are connected with an inlet of a second drying tower, an outlet of the second drying tower is respectively connected with fifteen pipelines and sixteen pipelines, the fifteen pipelines and seven pipelines are both connected with eight pipelines, the sixteen pipelines are connected with an air outlet pipe, the fourteen pipelines are connected with an inlet of the first drying tower, the eleven pipelines are connected with the four pipelines, and the four pipelines are connected with an inlet of the second drying tower through seventeen pipelines;
valves are arranged on the second pipeline, the third pipeline, the fifth pipeline, the sixth pipeline, the seventh pipeline, the ninth pipeline, the eleventh pipeline, the thirteenth pipeline, the fourteenth pipeline, the fifteenth pipeline, the sixteenth pipeline and the seventeenth pipeline, and tube side outlets on the first cooler and the second cooler.
As an optimized scheme of the adsorption drying device of the present invention, wherein: the valves are electromagnetic valves and are all connected with a controller, and the controller is controlled by a set program.
As an optimized scheme of the adsorption drying device of the present invention, wherein: the heat exchange areas of the first cooler and the second cooler are more than or equal to 85m, the processing capacity of compressed air is more than or equal to 150 Nm/min, the pressure is 0.6Mpa, and the pressure drop is less than or equal to 6KPa; the air inlet temperature is less than or equal to 125 ℃, and the air outlet temperature is less than or equal to 40 ℃; the flow rate of cooling water is 35.2t/h, the temperature of inlet water is less than or equal to 32 ℃, the pressure is 0.45MPa, and the pressure drop is less than or equal to 50KPa; shell side material Q345R, interface DN200mm, tube side material S30408 and interface DN100mm.
The utility model has the advantages that: compared with the prior art, the device has more reasonable design and obvious advantages, compressed air and cooling water are led to the shell side and the tube side, so that the cooler can safely operate for a long time, the tube blockage caused by fin corrosion is avoided, and the cooling quality and efficiency are ensured; the cooler adopts a gas-walking shell pass and water-walking tube pass design, the cooling effect of the cooler on compressed air is facilitated, the opening and closing of electromagnetic valves on various pipelines between the cooler and the drying tower are controlled through a program, the switching of various working modes can be realized, the pipeline corrosion and dirty blockage caused by long-time operation are avoided, the cooling quality and efficiency are ensured, the compressed air entering the first drying tower and the second drying tower is enabled not to be subjected to incomplete dehumidification due to too large moisture, the failure of the molecular sieve is caused, the drying effect cannot be achieved, meanwhile, the balance and stability of three stages in the drying process are better realized, the service life of the cooler and the service life of the molecular sieve in the drying tower are effectively prolonged, the production fluctuation is avoided, and the low-carbon and low-cost production is realized.
Drawings
FIG. 1 is a schematic structural diagram of an adsorption drying apparatus;
FIG. 2 is a schematic view of an adsorption drying apparatus in a first mode of operation;
FIG. 3 is a schematic view of an adsorption drying apparatus in a second mode of operation;
FIG. 4 is a schematic view of an adsorption drying apparatus in a third mode of operation;
FIG. 5 is a schematic view of an adsorption drying apparatus in a fourth mode of operation;
FIG. 6 is a schematic view of an adsorption drying apparatus in a fifth mode of operation;
description of reference numerals:
the device comprises a first drying tower, a second drying tower, a first cooler, a second cooler, a first gas-water separator, a second gas-water separator, a gas inlet pipe, a gas outlet pipe, a pipe 9, a pipe 10, a pipe 11, a pipe 12, a pipe 13, a pipe 14, a pipe 15, a pipe 16, a pipe 17, a pipe 18, a pipe 19, a pipe 20, a pipe 21, a pipe 22, a pipe 23, a pipe 24, a pipe 25, a pipe seventeen and a solenoid valve 26.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1, the adsorption drying device of the present embodiment includes a first drying tower 1, a second drying tower 2, a first cooler 3, a second cooler 4, a first gas-water separator 5, a second gas-water separator 6, an air inlet pipe 7 and an air outlet pipe 8, an outlet end of the air inlet pipe 7 is connected to a pipeline 9 and a pipeline 10 respectively, wherein the pipeline 9 is connected to a shell pass inlet of the first cooler 3, a shell pass outlet of the first cooler 3 is connected to the first gas-water separator 5 through a pipeline, a tube pass of the first cooler 3 serves as a water passage, an outlet of the first gas-water separator 5 is connected to a third pipeline 11, the third pipeline 11 is connected to an inlet of the first drying tower 1 through a fourth pipeline 12 and a fifth pipeline 13 in sequence, an outlet of the first drying tower 1 is connected to a sixth pipeline 14 and a seventh pipeline 15 respectively, and the sixth pipeline 14 is connected to the air outlet pipe 8; the two pipelines 10 are respectively connected with an eight pipeline 16 and a nine pipeline 17, the nine pipeline 17 is respectively connected with a ten pipeline 18 and an eleven pipeline 19, the ten pipeline 18 is connected with a shell side inlet of the second cooler 4, a shell side outlet of the second cooler 4 is connected with the second gas-water separator 6, a tube side of the second cooler 4 is used as a water walking channel, an outlet of the second gas-water separator 6 is connected with a twelve pipeline 20, the twelve pipeline 20 is respectively connected with a thirteen pipeline 21 and a fourteen pipeline 22, the thirteen pipeline 21 is connected with an inlet of the second drying tower 2, an outlet of the second drying tower 2 is respectively connected with a fifteen pipeline 23 and a sixteen pipeline 24, the fifteen pipeline 23 and a seven pipeline 15 are both connected with the eight pipeline 16, the sixteen pipeline 24 is connected with an air outlet pipe 8, the fourteen pipeline 22 is connected with an inlet of the first drying tower 1, the eleven pipeline 19 is connected with a four pipeline 12, and the four pipeline 12 is connected with an inlet of the second drying tower 2 through a seventeen pipeline 25; the tube side outlets of the two tubes 10, the three tubes 11, the five tubes 13, the six tubes 14, the seven tubes 15, the nine tubes 17, the eleven tubes 19, the thirteen tubes 21, the fourteen tubes 22, the fifteen tubes 23, the sixteen tubes 24 and the seventeen tubes 25, as well as the first cooler 3 and the second cooler 4 are all provided with electromagnetic valves, and the electromagnetic valves are all connected with a controller and are controlled by a set program.
In this embodiment, the heat exchange areas of the first cooler 3 and the second cooler 4 are greater than or equal to 85m, the processing amount of compressed air is greater than or equal to 150 Nm/min, the pressure is 0.6MPa, and the pressure drop is less than or equal to 6KPa; the air inlet temperature is less than or equal to 125 ℃, and the air outlet temperature is less than or equal to 40 ℃; the flow rate of cooling water is 35.2t/h, the temperature of inlet water is less than or equal to 32 ℃, the pressure is 0.45MPa, and the pressure drop is less than or equal to 50KPa; shell pass material Q345R, interface DN200mm, tube pass material S30408 and interface DN100mm.
The adsorption drying device can control the opening and closing of the electromagnetic valve on each pipeline through a program, thereby realizing the conversion of different modes.
In the first mode: drying in the first drying tower 1 and regeneration in the second drying tower 2
The solenoid valves on the three-way pipe 11, the five-way pipe 13, the seven-way pipe 15, the nine-way pipe 17, the thirteen-way pipe 21 and the sixteen-way pipe 24 and the solenoid valves at the pipe pass outlets of the first cooler 3 are closed, and the solenoid valves at the pipe pass outlets of the second cooler 10, the fifteen-way pipe 23, the seventeen-way pipe 25, the eleven-way pipe 19, the fourteen-way pipe 22 and the six-way pipe 14 and the second cooler 4 are opened. Referring to the thick line in fig. 2, compressed air passes through a second pipeline 10, an eighth pipeline 16 and a fifteenth pipeline 23 from an air inlet pipe 7, enters from an outlet of the second drying tower 2 for regeneration, is discharged from an inlet of the second drying tower 2, then enters into the second cooler 4 through a seventeen pipeline 25, a fourth pipeline 12, an eleventh pipeline 19 and a tenth pipeline 18, enters into the second gas-water separator 6 after being cooled, enters into the first drying tower 1 through a twelfth pipeline 20 and a fourteenth pipeline 22 for drying, and finally is discharged to an air outlet pipe 8 from a sixth pipeline 14. In this mode, the first cooler 3 and the first gas-water separator 5 are not operated, while the second drying tower 2 is in the regeneration operation state, and the first drying tower 1 is in the drying operation state.
In the second mode: drying in the first drying tower 1 and cold blowing in the second drying tower 2
The electromagnetic valves on the two pipelines 10, the five pipelines 13, the seven pipelines 15, the eleven pipelines 19, the thirteen pipelines 21 and the sixteen pipelines 24 are controlled to be closed, the electromagnetic valves on the three pipelines 11, the seventeen pipelines 25, the fifteen pipelines 23, the nine pipelines 17, the fourteen pipelines 22 and the six pipelines 14 are controlled to be opened, and the electromagnetic valves at the tube side outlets of the first cooler 3 and the second cooler 4 are controlled to be opened. Referring to the thick line in fig. 3, compressed air enters the first cooler 3 through the air inlet pipe 7 via the first pipeline 9, hot air enters the first gas-water separator 5 after being cooled, then enters the second drying tower 2 through the third pipeline 11, the fourth pipeline 12 and the seventeen pipeline 25, enters the second cooler 4 through the fifteenth pipeline 23, the eighth pipeline 16, the ninth pipeline 17 and the tenth pipeline 18 after being cold-blown, and is cooled, cooled gas enters the second gas-water separator 6, then enters the first drying tower 1 through the twelfth pipeline 20 and the fourteenth pipeline 22 for drying, and dried gas enters the air outlet pipe 8 through the sixth pipeline 14. In this mode, the first drying tower 1 is in a dry operation state, and the second drying tower 2 is in a cold blowing operation state.
In a third mode: the first drying tower 1 is regenerated, and the second drying tower 2 is dried
The electromagnetic valves on the three pipelines 11, the six pipelines 14, the fifteen pipelines 23, the nine pipelines 17, the fourteen pipelines 22 and the seventeen pipelines 25 and the electromagnetic valves at the tube side outlets of the first cooler 3 are controlled to be closed, and the electromagnetic valves on the two pipelines 10, the seven pipelines 15, the five pipelines 13, the eleven pipelines 19, the thirteen pipelines 21 and the sixteen pipelines 24 are controlled to be opened. Referring to the thick line in fig. 4, the compressed air enters the first drying tower 1 from the air inlet pipe 7 through the second pipeline 10, the eighth pipeline 16 and the seventh pipeline 15 for regeneration, is discharged from the inlet of the first drying tower 1, enters the second cooler 4 through the fifth pipeline 13, the fourth pipeline 12 and the eleventh pipeline 19, enters the second gas-water separator 6 after being cooled, enters the second drying tower 2 through the twelfth pipeline 20 and the thirteenth pipeline 21 for drying, and finally enters the air outlet pipe 8 through the sixteenth pipeline 24. In this mode, the first drying tower 1 is in the regeneration operation state, and the second drying tower 2 is in the drying operation state.
The fourth mode: the first drying tower 1 is cold-blown, and the second drying tower 2 is used for drying
The solenoid valves on the six ducts 14, the fifteen ducts 23, the two ducts 10, the eleven ducts 19, the seventeen ducts 25, and the fourteen ducts 22 are controlled to be closed, the solenoid valves on the three ducts 11, the five ducts 13, the seven ducts 15, the nine ducts 17, the thirteen ducts 21, and the sixteen ducts 24 are controlled to be opened, and the solenoid valves on the tube side outlets of the first cooler 3 and the second cooler 4 are controlled to be opened. Referring to the thick line in fig. 5, compressed air enters the first cooler 3 through the first pipeline 9 from the air inlet pipe 7, hot air enters the first gas-water separator 5 after being cooled, then enters the first drying tower 1 for regeneration through the third pipeline 11, the fourth pipeline 12 and the fifth pipeline 13, is discharged from the outlet of the first drying tower 1, enters the second cooler 4 through the seventh pipeline 15, the eighth pipeline 16, the ninth pipeline 17 and the tenth pipeline 18 for cooling, cooled gas enters the second gas-water separator 6, then enters the second drying tower 2 through the twelfth pipeline 20 and the thirteenth pipeline 21 for drying, and finally enters the air outlet pipe 8 through the sixteenth pipeline 24. In this mode, the first drying tower 1 is in the cold blowing operation state, and the second drying tower 2 is in the drying operation state.
The fifth mode: the first drying tower 1 is used for drying, and the second drying tower 2 is used for drying
And controlling the electromagnetic valves on the seven pipelines 15, the fifteen pipelines 23, the eleven pipelines 19, the seventeen pipelines 25 and the fourteen pipelines 22 to be closed, and opening the electromagnetic valves on the other pipelines. Referring to thick lines in fig. 6, compressed air enters a first pipeline 9 and a second pipeline 10 through an air inlet pipe 7, wherein one compressed air enters the first cooler 3 through the first pipeline 9, hot air enters the first gas-water separator 5 after being cooled, then enters the first drying tower 1 through a third pipeline 11, a fourth pipeline 12 and a fifth pipeline 13 for drying, and then is discharged into an air outlet pipe 8 through a sixth pipeline 14. The other compressed air enters the second cooler 4 through the second pipeline 10, the ninth pipeline 17 and the tenth pipeline 18, the hot air enters the second gas-water separator 6 after being cooled, then enters the second drying tower 2 through the twelfth pipeline 20 and the thirteenth pipeline 21 for drying, and then is discharged through the sixteen pipelines 24. In this mode, both the first drying tower 1 and the second drying tower 2 are in a drying operation state.
In the above modes, the inlet of the inlet pipe 7 is connected to the outlet of the air compressor, and the outlet pipe 8 is connected to the inlet of the air tank through the filter.
The utility model discloses based on the air compression station room arranges, on existing equipment's basis, optimal design forms absorption formula drying device through first drying tower 1, second drying tower 2, first cooler 3, second cooler 4, first gas-water separator 5, various pipelines and solenoid valve combination. Compared with the prior art, the utility model has more reasonable design and obvious advantages, compressed air and cooling water are led to the shell side and the tube side, thus being beneficial to the long-time safe operation of the cooler, avoiding the tube blockage caused by the corrosion of fins and ensuring the cooling quality and efficiency; the cooler adopts a gas-walking shell pass and a water-walking tube pass design, the cooling effect of the cooler on compressed air is facilitated, the opening and closing of electromagnetic valves on various pipelines between the cooler and the drying tower are controlled through a program, the switching of various working modes can be realized, the pipeline corrosion and dirty blockage caused by long-time operation are avoided, the cooling quality and efficiency are ensured, the compressed air entering the first drying tower 1 and the second drying tower 2 is enabled not to be dehumidified and not clean due to too large moisture, the failure of the molecular sieve is caused, the drying effect cannot be achieved, meanwhile, the three-stage balance and stability in the drying process are better realized, the service life of the cooler and the service life of the molecular sieve in the drying tower are effectively prolonged, the production fluctuation is avoided, and the low-carbon and low-cost production are realized.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. An adsorption drying device is characterized by comprising a first drying tower, a second drying tower, a first cooler, a second cooler, a first gas-water separator, a second gas-water separator, a gas inlet pipe and a gas outlet pipe, wherein the outlet end of the gas inlet pipe is respectively connected with a pipeline and two pipelines;
the first pipeline is connected with a shell pass inlet of the first cooler, a shell pass outlet of the first cooler is connected with the first gas-water separator through a pipeline, a tube pass of the first cooler is used as a water passage, an outlet of the first gas-water separator is connected with the third pipeline, the third pipeline is connected with an inlet of the first drying tower sequentially through the fourth pipeline and the fifth pipeline, an outlet of the first drying tower is respectively connected with the sixth pipeline and the seventh pipeline, and the sixth pipeline is connected with an air outlet pipe;
the two pipelines are respectively connected with eight pipelines and nine pipelines, the nine pipelines are respectively connected with ten pipelines and eleven pipelines, the ten pipelines are connected with a shell side inlet of a second cooler, a shell side outlet of the second cooler is connected with a second gas-water separator, a tube side of the second cooler is used as a water channel, an outlet of the second gas-water separator is connected with twelve pipelines, the twelve pipelines are respectively connected with thirteen pipelines and fourteen pipelines, the thirteen pipelines are connected with an inlet of a second drying tower, an outlet of the second drying tower is respectively connected with fifteen pipelines and sixteen pipelines, the fifteen pipelines and seven pipelines are both connected with eight pipelines, the sixteen pipelines are connected with an air outlet pipe, the fourteen pipelines are connected with an inlet of the first drying tower, the eleven pipelines are connected with the four pipelines, and the four pipelines are connected with an inlet of the second drying tower through seventeen pipelines;
valves are arranged on the second pipeline, the third pipeline, the fifth pipeline, the sixth pipeline, the seventh pipeline, the ninth pipeline, the eleventh pipeline, the thirteenth pipeline, the fourteenth pipeline, the fifteenth pipeline, the sixteenth pipeline and the seventeenth pipeline, and tube side outlets of the first cooler and the second cooler.
2. The adsorption drying device of claim 1, wherein the valves are solenoid valves, each connected to a controller, and the controller is controlled by a set program.
3. The adsorption drying device of claim 1, wherein the heat exchange area of the first cooler and the second cooler is greater than or equal to 85m 2 The compressed air processing capacity is more than or equal to 150Nm 3 Min, pressure 0.6Mpa, pressure drop less than or equal to 6KPa; the air inlet temperature is less than or equal to 125 ℃, and the air outlet temperature is less than or equal to 40 ℃; the flow rate of cooling water is 35.2t/h, the temperature of inlet water is less than or equal to 32 ℃, the pressure is 0.45MPa, and the pressure drop is less than or equal to 50KPa; shell side material Q345R, interface DN200mm, tube side material S30408 and interface DN100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513498.4U CN218393027U (en) | 2022-09-22 | 2022-09-22 | Adsorption type drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513498.4U CN218393027U (en) | 2022-09-22 | 2022-09-22 | Adsorption type drying device |
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| CN218393027U true CN218393027U (en) | 2023-01-31 |
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| CN202222513498.4U Active CN218393027U (en) | 2022-09-22 | 2022-09-22 | Adsorption type drying device |
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| CN (1) | CN218393027U (en) |
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