JP5057110B2 - Dehumidifying device and dehumidifying method for multi-product type large capacity compressed air - Google Patents

Description

  The present invention is used as a dehumidifier for ultra-large compressed air used for large-scale dehumidification in large plants and the like, and in particular, by combining a plurality of dehumidifiers in a module, The present invention relates to a dehumidifying device and a dehumidifying method for a multi-product large-capacity compressed air that enables transportation.

  For large-scale dehumidification of a large plant, an ultra-large dehumidifier is required. However, if the cooling and dehumidifying tower is too large, it will be difficult to carry out from the production site to the usage site. In other words, cooling dehumidification towers are usually transported by truck, but there are restrictions on the load capacity of the truck and the width and length of the loading platform, and it is difficult to provide a cooling dehumidification tower of a size suitable for a large-scale plant. there were.

  For this reason, a plurality of cooling dehumidification towers are actually installed according to the scale of the plant. However, when a plurality of cooling dehumidification towers are installed, there arises a disadvantage that the occupied area of the entire compressed air dehumidifier becomes large.

  On the other hand, Patent Document 1 discloses a compressed air dehumidifying device in which a plurality of cooling and dehumidifying cylinders are stacked one above the other. This dehumidifying device has two dehumidifying cylinders arranged in parallel in the vertical direction, and a main introduction pipe is installed on the side where compressed air is supplied, and between this main introduction pipe and the air introduction pipe of each dehumidification cylinder A water droplet storage tank is arranged in

  According to this dehumidifier, when compressed air flows from the main air introduction pipe into the water droplet storage tank, the water droplets in the compressed air collide with the wall surface of the storage tank, and the water droplets in the compressed air adhere to the wall surface and flow down. Further, water droplets floating in the compressed air accumulate at the lower end of the water droplet storage tank due to gravity. In this way, water droplets in the compressed air are separated, and compressed air containing almost no water droplets is supplied to the air introduction pipe.

Japanese Patent No. 3366567

  However, according to the dehumidifying device described in Patent Document 1, the water droplet storage tank is disposed in front of the dehumidifying cylinder to increase the dehumidification efficiency, and the water droplets in the compressed air are separated. Since a separate space is required, installation in a small space is difficult. Such a dehumidifying apparatus is not suitable for an ultra-large dehumidifying apparatus used for large-scale dehumidification in a large plant, even though it is suitable for relatively small-scale dehumidifying whose installation space is not a problem.

  In other words, an ultra-large dehumidifier used for large-scale dehumidification in a large plant needs to minimize the area occupied by the dehumidifier because of its scale. Moreover, a more rational dehumidifying capacity is desired for use in large-scale dehumidification.

  Therefore, the present invention has been created to solve the above-described problems, and it is possible to provide a cooling / dehumidification tower having a size suitable for a large-scale plant or the like in a transportable size, and at a low cost. An object of the present invention is to provide a multi-product type large-capacity dehumidifying device and a dehumidifying method capable of improving the dehumidifying efficiency.

In order to achieve the above-mentioned object, the first means in the present invention is a multi-product type dehumidifying device that vertically connects the cooling and dehumidifying module 10 having the function of a cooling and dehumidifying tower and smaller than the size of the cooling and dehumidifying tower. The cooling and dehumidifying module 10 is formed to a size that can be loaded on the truck bed, and the total air treatment amount of each cooling and dehumidifying module 10 when the plurality of cooling and dehumidifying modules 10 are vertically connected is A dehumidifying device configured to dehumidify large-capacity compressed air so as to adapt to the air throughput, and using the drain discharged from the upper cooling / dehumidifying module 10 as a cooling medium for the lower cooling / dehumidifying module 10 , The cooling and dehumidifying module 10 includes a substantially cylindrical body portion 1 and a bottom portion 2, an air inlet 4 for introducing compressed air into the body portion 1, and dehumidified compressed air. A cooling coil 6 that forms a discharge air outlet 5 and circulates a cooling liquid inside the body portion 1 and a demister 7 that separates drain from the cooled compressed air, and a bottom portion of the cooling and dehumidifying module 10 are provided. 2 is provided with a drain pipe 8 for drain discharge, and the drain discharged from the upper drain pipe 8 is provided so as to fall on the cooling coil 6 inside the lower cooling and dehumidifying module 10 .

The second means is that the drainage drain pipe 8 is bent and formed into a U trap shape, and a siphon trap is provided for collecting drainage in the drain pipe 8, and each cooling and dehumidifying module 10 is provided through the drain pipe 8. It exists in providing so that compressed air may not move.

The third means is that a connection flange 9 for detachably connecting another cooling / dehumidifying module is formed at the peripheral edge between the bottom 2 of the cooling / dehumidifying module 10 and the opening 1A of the body 1 and is connected to the uppermost stage. The end plate 3 for sealing is attached to the connection flange 9 of the opening 1A of the cooling and dehumidifying module 10, and the auto drain valve is attached to the drain pipe 8 of the cooling and dehumidifying module 10 connected to the lowermost stage. Is a means for solving the problem.

The fourth means is a method of dehumidifying large-capacity compressed air using a multi-product type dehumidifying device that has a function of a cooling dehumidification tower and has a cooling dehumidification module 10 that is downsized from the size of the cooling dehumidification tower. The body is composed of a substantially cylindrical body part 1 and a bottom part 2, and an air inlet 4 for introducing compressed air into the body part 1 and an air outlet 5 for discharging dehumidified compressed air are formed. A cooling coil 6 that circulates the cooling liquid inside the part 1 and a demister 7 that separates the drain from the cooled compressed air are provided, and a drain discharge drain 8 is provided at the bottom 2 of the cooling and dehumidifying module 10. The cooling and dehumidification module 10 is formed to a size that can be loaded on the truck bed , and the total amount of air treatment when the plurality of cooling and dehumidification modules 10 are connected vertically is adapted to the air treatment amount of a large plant. cooling In dehumidification method of large compressed air utilizing a drain discharged from humidity module 10 as a cooling medium at the bottom of the cooling dehumidifying module 10.

According to the first and fourth aspects of the present invention, the cooling and dehumidifying module 10 is formed to a size that can be loaded on a truck bed and a plurality of cooling and dehumidifying modules 10 are connected in the vertical direction. Even if the plant to be dehumidified becomes large-scale by configuring the dehumidifier for large-capacity compressed air so that the sum of the air throughput is adapted to the air throughput of the large plant, the air throughput of the large plant It is possible to provide a dehumidifying device adapted to the above.

  Moreover, since each cooling / dehumidifying module 10 is large enough to be loaded on a truck bed, it can be easily transported at any location, and the cooling / dehumidifying module 10 is connected to the top and bottom of the cooling / dehumidifying module 10 in a conventional manner. The inconvenience that the installation space becomes large was solved.

  Further, since the drain discharged from the upper cooling and dehumidifying module 10 is used as a cooling medium for the lower cooling and dehumidifying module 10, rational dehumidification is possible, and the dehumidifying efficiency of the large-capacity dehumidifying device can be increased.

By configuring the cooling and dehumidifying module 10 as described in claim 1 , the configuration of the cooling and dehumidifying module 10 is simplified, and has the same function as the cooling and dehumidifying tower. In addition, since the drain discharged from the drain pipe 8 is provided so as to drop onto the cooling coil 6 inside the cooling / dehumidifying module 10, the drain can be used efficiently, and the dehumidifying efficiency can be increased at low cost. be able to.

As described in claim 2 , the drain discharge drain pipe 8 is bent and formed into a U-trap shape, and a siphon trap is provided for collecting drainage in the drain pipe 8, and each cooling dehumidification is performed through the drain pipe 8. Since the compressed air of the module 10 is provided so as not to move, only the drain discharged from the drain pipe 8 can be reasonably used while operating the cooling and dehumidifying module 10 continuous in the vertical direction individually.

Since the connection flange 9 which connects other cooling dehumidification modules to the bottom part 2 of the cooling dehumidification module 10 and the opening part 1A of the trunk | drum 1 so that attachment or detachment is possible is formed like Claim 3 . Can be easily connected.

  In addition, the sealing end plate 3 is attached to the cooling / dehumidifying module 10 connected to the uppermost stage, while the auto drain valve is attached to the drain pipe 8 of the cooling / dehumidifying module 10 connected to the lowermost stage. An ultra-large capacity cooling and dehumidifying tower suitable for a plant can be easily configured.

It is a front sectional view showing an example of the present invention. It is a front sectional view showing one example of the cooling dehumidification module of the present invention.

  According to the present invention, it is possible to provide a cooling and dehumidifying tower and a dehumidifying method having a size suitable for a large-scale plant or the like, and further, it is possible to realize a purpose of improving dehumidifying efficiency at a low cost.

  An embodiment of the present invention will be described below. The dehumidifying device of the present invention is used as a dehumidifying device for one large-capacity compressed air by connecting a plurality of cooling and dehumidifying modules 10 up and down.

  The cooling and dehumidifying module 10 has a function of a cooling and dehumidifying tower and is made smaller than the size of the cooling and dehumidifying tower, and is formed in a size that can be loaded on a truck bed (see FIG. 2). For example, when the body diameter of the cooling / dehumidifying module 10 is 2,500 mm to 3,000 mm and the length (height) is formed to a size of about 5 m to 7 m, stacking becomes possible. And the sum total of the air processing amount of each cooling dehumidification module 10 when the some cooling dehumidification module 10 is connected to an up-down direction adapts to the air processing amount of a large sized plant (refer FIG. 1).

  The cooling dehumidification module 10 shown in the figure has a connection flange 9 formed at the periphery of the bottom 2 and the periphery of the opening 1A of the body 1, and the upper and lower cooling dehumidification modules 10 are detachably connected via the connection flange 9. (See FIG. 2).

  Further, when one dehumidifying device is configured by combining a plurality of warms, in particular, the sealing end plate 3 is attached to the connection flange 9 of the opening 1A of the body portion 1 of the cooling and dehumidifying module 10 connected to the uppermost stage. By connecting an auto drain valve to the drain pipe 8 of the cooling and dehumidifying module 10 connected to the lowermost stage, a large-capacity dehumidifying device is completed (see FIG. 1).

  The cooling and dehumidifying module 10 has a configuration in which a bottom portion 2 is provided on a substantially cylindrical body portion 1 (see FIG. 2). An air inlet 4 for introducing compressed air and an air outlet 5 for discharging dehumidified compressed air are formed in the body portion 1 in the vertical direction. On the other hand, the body 1 is provided with a cooling coil 6 for circulating a coolant and a demister 7 for separating drain from the cooled compressed air. The cooling coil 6 is connected to an inlet pipe 6A for supplying cold water from a cooler or a cooling tower and a drain pipe 6B for discharging water after cooling.

  Furthermore, a drain pipe 8 for draining is connected to the bottom 2 of the cooling and dehumidifying module 10 so as to be detachable. The drain discharged from the upper cooling / dehumidifying module 10 is used as a cooling medium for the lower cooling / dehumidifying module 10. In the illustrated example, the drainage drainage pipe 8 is bent and formed into a U trap shape, and a siphon type trap is provided for collecting drainage in the drainage pipe 8. The compressed air of each cooling and dehumidifying module 10 is passed through the drainage pipe 8. It is provided so as not to move (see FIG. 2). And the drain discharged | emitted from this drain pipe 8 is arrange | positioned so that it may fall on the coil 6 for cooling inside the cooling dehumidification module 10 (refer FIG. 1).

  By such a drain trap, the compressed air of each cooling / dehumidifying module 10 is prevented from moving through the drain pipe 8 into the cooling / dehumidifying module 10 adjacent vertically. As a result, each cooling / dehumidifying module 10 has an independent dehumidifying function, and the drain discharged from each cooling / dehumidifying module 10 can be used as a cooling medium for the cooling / dehumidifying module 10 directly below.

  In the lowermost cooling and dehumidifying module 10, an auto drain valve 11 is mounted instead of the drain pipe 8, and the drain discharged from the lowermost cooling and dehumidifying module 10 is automatically discharged. In the illustrated example, the state in which the drain pipe 8 is replaced with the auto drain valve 11 is shown, but the auto drain valve 11 can be connected to the end of the drain pipe 8. At this time, the base 20 supports the lowermost cooling and dehumidifying module 10. Since this base 20 is the base 20 that supports the plurality of cooling and dehumidifying modules 10 connected in the vertical direction, the configuration and material can be freely changed according to the number of cooling and dehumidifying modules 10 and the ground conditions.

  The dehumidifying method of the present invention using the cooling and dehumidifying module 10 as described above is as follows. That is, the total amount of air treatment when a plurality of cooling / dehumidification modules 10 are connected vertically is adapted to the air treatment amount of a large plant. In other words, the number of the cooling and dehumidifying modules 10 is determined according to the air treatment amount of the large plant and transported to the place of use. And the cooling dehumidification module 10 is connected in tower shape on the base 20 fixed to the ground in the field. An end plate 3 is attached to the uppermost cooling and dehumidifying module 10 and sealed. Cooling water is circulated through the cooling coil 6 of each cooling and dehumidifying module 10, compressed air to be dehumidified is supplied from the air inlet 4, and dehumidified air is discharged from the air outlet 5. Further, the dehumidification method is to supply drain discharged during dehumidification to the cooling coil 6 of the lower cooling dehumidification module 10 and to effectively use this drain as a cooling medium.

  The shape of the cooling / dehumidifying module 10 of the present invention, the configuration of the cooling coil 6, the demister 7 and the like are not limited to the illustrated examples, and can be freely changed without departing from the scope of the present invention. .

  According to the present invention, it is not limited to the upper and lower two-stage configuration, and it can be connected to three or more stages and used as an ultra-large capacity dehumidifier.

DESCRIPTION OF SYMBOLS 1 Body part 1A Opening part 2 Bottom part 3 End plate 4 Air inlet 5 Air outlet 6 Cooling coil 6A Inlet pipe 6B Drain pipe 7 Demister 8 Drain pipe 9 Connection flange 10 Cooling dehumidification module 11 Auto drain valve 20 Base

Claims (4)

A multi-stack type dehumidifier that connects the cooling and dehumidification modules that have the function of a cooling and dehumidification tower and that is smaller than the size of the cooling and dehumidification tower up and down is provided. In addition, the dehumidifying device for large-capacity compressed air is configured so that the sum of the air treatment amount of each cooling / dehumidification module when a plurality of cooling / dehumidification modules are connected vertically is adapted to the air treatment amount of a large plant. , A dehumidifying device that uses drain discharged from the upper cooling and dehumidifying module as a cooling medium for the lower cooling and dehumidifying module, and the cooling and dehumidifying module includes a substantially cylindrical body portion and a bottom portion. A cooling coil that forms an air inlet for introducing the compressed air and an air outlet for discharging the dehumidified compressed air, and circulates the coolant in the fuselage; And a demister for separating the drain from the compressed air, a drain pipe for drain discharge at the bottom of the cooling dehumidification module, and the drain discharged from the drain pipe of the upper cooling dehumidification module inside the cooling dehumidification module A multi-product type large-capacity compressed air dehumidifying device, wherein the dehumidifying device is provided so as to drop onto a cooling coil .   The drain discharge drain pipe is bent and formed into a substantially U trap shape, and a siphon trap is provided for collecting drain in the drain pipe so that the compressed air of each cooling and dehumidifying module does not move through the drain pipe. The multi-product type large-capacity compressed air dehumidifying device according to claim 2.   A connection flange for detachably connecting another cooling / dehumidification module is formed at the periphery of the bottom of the cooling / dehumidification module and the opening of the body portion, and the connection flange of the opening of the cooling / dehumidification module connected to the uppermost stage A multi-product type large-capacity compressed air dehumidifying device according to any one of claims 1 to 3, wherein a sealing end plate is mounted, and an auto drain valve is mounted on a drain pipe of a cooling / dehumidifying module connected to the lowermost stage. . A dehumidification method of large compressed air using a multiple product type dehumidifier for connecting the cooling dividing tower miniaturized cooling dehumidifying module than the size of a function the cooling dividing tower of the upper and lower, substantially cylindrical The cooling coil is composed of a body portion and a bottom portion, and forms an air inlet for introducing compressed air into the body portion and an air outlet for discharging dehumidified compressed air, and circulates a coolant inside the body portion. And a demister that separates the drain from the cooled compressed air, and a cooling / dehumidifying module having a drain discharge drain pipe at the bottom of the cooling / dehumidifying module is formed to a size that can be loaded on a truck bed, The total air treatment amount when multiple cooling and dehumidification modules are connected vertically is adapted to the air treatment amount of a large plant, and the drain discharged from the upper cooling and dehumidifying module is cooled and dehumidified. Dehumidification method of large compressed air, characterized by the use as a Joule coolant.

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