JP3266326B2 - Dry dehumidifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry dehumidifier, and more particularly to a dry dehumidifier using a rotary honeycomb rotor.

[0002]

2. Description of the Related Art Conventionally, a rotary honeycomb rotor type dry dehumidifier has been widely used as a dehumidifier capable of dehumidifying a large amount of air, excellent in operability and maintainability, and easy to install.

FIG. 6 shows a typical rotary honeycomb rotor type dry dehumidifier 601. The air that needs to be dehumidified taken in from the processing air inlet A is dehumidified by the dehumidifying section 604 of the honeycomb rotor 602 incorporated in the dry dehumidifier 601 and then sent from the dehumidified air outlet B to a room or the like. Generally, dehumidification is performed by a dehumidifier capable of absorbing or adsorbing moisture such as lithium chloride or calcium chloride impregnated in the honeycomb rotor 602. When the dehumidifier absorbs or adsorbs a certain amount of moisture and becomes saturated, the dehumidifying performance deteriorates, so that it is necessary to appropriately perform a regeneration treatment. Therefore, the honeycomb rotor 602 is rotationally driven by an appropriate driving means, and the dehumidifying agent impregnated or filled in the honeycomb rotor 602 can be circulated between the dehumidifying unit 604 and the regenerating unit 603 at a predetermined cycle. The regeneration process of the dehumidifier is performed by heating the outside air taken in from the regeneration air inlet C with a heating means 6 such as a regeneration heater.
05, and the heated air is sent to the regeneration unit 603 of the honeycomb rotor 602 by the regeneration blower 606,
This is performed by evaporating the moisture in the dehumidifier in the regeneration unit 603 into the regeneration air. The regeneration air used for regeneration is exhausted from a regeneration air outlet D.

Glass fiber paper, ceramic fiber paper, activated carbon paper, and the like are used as a material for the honeycomb rotor 602 used in such a dry dehumidifier. In any case, lithium chloride is used as a dehumidifying agent. Is usually used. Lithium chloride is widely used because it is capable of dehumidifying a large amount of air and has excellent sterilizing and deodorizing properties.However, lithium chloride may carry over or deliquesce. It cannot be used depending on the case. Therefore, development of a dry dehumidifier using a silica gel or zeolite dehumidifier containing no lithium chloride and capable of dehumidifying a large amount of air has been demanded.

The dehumidifier 601 using lithium chloride as a dehumidifying agent as shown in FIG.
° C, regeneration air volume ratio 0.33, rotor rotation speed 8-15 rotations /
h), but in winter or in the middle, the performance may be too good, resulting in excessive dehumidification. Therefore, when it is desired to keep the moisture content of the dehumidified air sent from the processing air outlet B constant, the regeneration temperature of the conventional dehumidifier 601 is set to 14%.
The temperature was reduced from 0 ° C. to about 100 ° C. to reduce the dehumidifying ability. However, the dehumidifying capacity is limited to be reduced by about 10 to 20%, and if the dehumidifying capacity is further reduced, there is a possibility that deliquescence of lithium chloride may occur.

Therefore, in the conventional dehumidifier 601, in order to keep the humidity of the dehumidified air constant, a bypass flow path 607 as shown in FIG. 6 is provided to allow the air containing moisture to bypass the dehumidifier 601. Alternatively, the air dehumidified by the dehumidifier 601 must be re-humidified in the vicinity of the processing air outlet B, so that the dehumidification process becomes complicated, and there is a problem in terms of cost because an extra device is required. Was.

[0007]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to adjust the dehumidifying ability of a dry dehumidifier freely in view of the above-mentioned problems of a conventional dry dehumidifier. It is possible to keep the dehumidified air moisture constant without using extra equipment even in winter or middle season so as not to over-dehumidify, it is possible to control the operation of energy saving, and deliquesce lithium chloride. It is to provide a new and improved dry dehumidifier free from risk of carryover.

[0008]

In order to solve the above problems, the present invention has the following means. That is , the processing air taken in from the processing air inlet is dehumidified by a rotary honeycomb rotor containing a dehumidifying agent and then blown from the dehumidification air outlet, and the outside air taken in from the regeneration air inlet is heated by the regeneration air heating means to rotate the processing air. In a rotary honeycomb rotor type dry dehumidifier in which the dehumidifier is sent to a honeycomb honeycomb rotor and then regenerated and exhausted from a regeneration air outlet, a dehumidifier using a silica gel or zeolite dehumidifier not impregnated with lithium chloride as a dehumidifier is used. Dehumidified air dew point detection means for detecting the dew point is installed near the dehumidified air outlet,
Regenerative air temperature adjusting means, rotor speed adjusting means or
A dehumidifier regeneration capacity adjusting means comprising at least one of fresh air air volume adjustment means , and further comprising a dehumidifier regeneration capacity for maintaining a dehumidification air dew point at a predetermined value in response to a signal from the dehumidification air dew point detection means. that controls the adjustment means control
A vessel is provided.

As described above, according to the present invention, the dehumidifier regeneration ability of the regenerating dehumidifier is adjusted by adjusting the dehumidifier regeneration ability in the regeneration section of the rotary honeycomb rotor. Since it can be maintained at a predetermined value, the moisture content of the dehumidified air can be adjusted even in the winter or the intermediate period so that excessive dehumidification is not performed without using an extra device. In addition, if the dehumidifying capacity is reduced by a certain amount or more as in the past, deliquescence and carryover of lithium chloride may occur, and there is a limit to the adjustment of the dehumidifying capacity. Since a system or zeolite-based dehumidifier is used, the dehumidification ability can be freely adjusted to keep the moisture of the treated air at a desired value.

As a method for adjusting the dehumidifier regenerating ability of the rotary honeycomb rotor, as will be described later, a method for adjusting the temperature of the regenerating air sent to the regenerating section of the honeycomb rotor by a heater for regenerating air, etc. A method of adjusting the circulation cycle between the dehumidifying unit and the regenerating unit by changing the number of rotations of the motor that drives the honeycomb honeycomb rotor, and a method of adjusting the flow rate of the regenerating air exhausted from the regenerating air outlet by a blower or the like are considered. Can be

Therefore, as the dehumidifier regeneration capacity adjusting means, a regenerating air temperature adjusting means such as a regenerating air heater capable of adjusting a regenerating air temperature, and a rotational speed of a rotary honeycomb rotor such as a honeycomb rotor driving mechanism are adjusted. Use any one or a combination of two or more of the revolving air speed adjusting means capable of adjusting the air volume of the regenerating air exhausted from the regenerating air outlet such as a revolving air fan such as a revolving air blower or the like. It can be used depending on the environment and conditions. That is, it is possible to control the dew point of the processing air outlet by using any one of the regeneration air temperature adjustment unit, the rotor rotation speed adjustment unit, and the regeneration air exhaust air volume adjustment unit. It is also possible to control by combining two devices such as a temperature adjusting means and a rotor speed adjusting means, a regeneration air temperature adjusting means and a regeneration air exhaust air volume adjusting means, a rotor speed adjusting means and a regeneration air exhaust air volume adjusting means. Alternatively, it is similarly possible to control by combining three devices of the regeneration air temperature adjustment means, the rotor speed adjustment means and the regeneration air temperature adjustment means. Which of these combinations is selected is optimally determined in consideration of various conditions such as the environment in which the dehumidifier is installed and the capacity required for the dehumidifier.

[0012]

Since the present invention is constructed as described above, the dehumidifier regenerating ability comprises any one or a combination of the regenerating air temperature adjusting means, the rotor speed adjusting means and the regenerating air temperature adjusting means. By using the adjusting means, it is possible to adjust the dehumidifying ability of the dehumidifying agent regenerated in the regenerating section of the rotary honeycomb rotor to a desired value. Therefore, when the dew point detected by the dehumidifying air dew point detecting means installed near the dehumidifying air outlet is not at a desired value, a predetermined signal is sent from the control means to the dehumidifying agent regeneration ability adjusting means,
The dehumidifying ability of the dehumidifying agent can be adjusted so that the dew point has a desired value. Further, in the dry dehumidifier according to the present invention, since a silica gel-based or zeolite-based dehumidifier not impregnated with lithium chloride is used, there is no possibility of deliquescence or carryover of lithium chloride.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a dry dehumidifier according to the present invention will be described below with reference to the accompanying drawings. Dehumidifiers are usually used under operating conditions that can provide the best dehumidification performance, for example, at a regeneration air temperature of 140 ° C. However, in winter and mid-season, dehumidification performance is too good, and air that has been excessively dehumidified and dried Is blown, which may be undesirable. In such a case, in a conventional apparatus as shown in FIG. 6, a bypass passage 607 is provided, or a re-humidifying means is provided near a processing air outlet to keep the humidity of the processing air at a desired value. Was. However, according to the present application, focusing on the fact that the level of the dehumidifier regeneration capability of the regeneration unit of the rotary honeycomb rotor is correlated with the level of the dehumidification capability of the dehumidification unit, By controlling the temperature in accordance with the dew point temperature, the moisture of the processing air can be maintained at a desired value.

In particular, the dry dehumidifier according to the present invention is effective when it is desired to avoid excessive dehumidification and to reduce the performance of the dehumidifier in winter or an intermediate period. That is, when lithium chloride is used as a dehumidifying agent as in the conventional apparatus, if the dehumidifying capacity is reduced to a predetermined value or less, deliquescence or carryover of lithium chloride occurs, or the dehumidifying capacity drops extremely. However, according to the present application, since a silica gel-based or zeolite-based dehumidifier containing no lithium chloride is used, there is no such concern, and the regeneration capacity is freely reduced, and the processing air is reduced. Can be kept at a predetermined value.

FIG. 3 shows a first embodiment of a dry dehumidifier according to the present invention. This dry dehumidifier 301 is
A rotary honeycomb rotor 302 having a dehumidifying unit 304 and a regenerating unit 303 is provided, and a silica gel-based or zeolite-based dehumidifying agent not impregnated with lithium chloride is used for the rotor unit based on the present application. A dew point detector 308 is provided near the processing air outlet and constantly detects the dew point temperature of the processing air outlet. The detected outlet dew point is sent to the humidity controller 309. Further, in this embodiment, a regeneration air heating means 305 for heating the regeneration air by the steam sent through the steam valve 310 is provided. A steam trap 311 for separating and discharging condensed water from a steam coil is interposed between the processing air outlet and the regeneration air heating means 305.

In the first embodiment, the control of the dehumidifier regeneration capability of the rotary honeycomb rotor 302 is performed by adjusting the regeneration temperature in the regeneration section 303 of the rotor. FIG. 7 shows a correlation between the regeneration temperature and the dehumidifying capacity of the rotary honeycomb rotor type dry dehumidifier. As shown in the figure, in the rotary honeycomb rotor type dry dehumidifier, the maximum regenerative performance, that is, the dehumidifying performance is exhibited near the regenerating air temperature of 140 ° C., and the performance decreases as the temperature decreases. In particular, below a certain temperature (for example, 70 ° C.)
Performance drops particularly sharply. The upper limit of the regeneration air temperature is generally about 150 ° C. in relation to the material of the rotor. As described above, in the first embodiment based on the present application, the dehumidifying ability of the apparatus is controlled using the characteristics of the regeneration temperature and the dehumidifying ability as shown in FIG. At this time, the regeneration air volume and the rotor speed are kept at constant values.

In the example shown in FIG. 3, the humidity controller 309 changes the temperature of the regenerating air by adjusting the opening of the steam valve 310 connected to the heating device 305. However, instead of such steam valve control, it is also possible to adjust the regeneration air temperature by an electric heater. However, in the case of steam heating, there is no possibility that the temperature of the regeneration air will rise above the temperature of the steam, but in the case of electric heater heating, the regeneration air may exceed the endurance temperature of the rotor and may be overheated. It is necessary to control the detection by appropriately detecting the temperature of the regeneration air.

FIG. 4 shows a second embodiment of the dry dehumidifier according to the present invention. This dry dehumidifier 401 is
As in the first embodiment shown in FIG. 3, a rotary honeycomb rotor 402 having a dehumidifying unit 404 and a regenerating unit 403 is provided. Zeolite-based dehumidifiers are used. A dew point detector 408 is provided near the processing air outlet, and constantly detects the dew point temperature of the processing air outlet. The detected outlet dew point is sent to the humidity controller 409. Further, in this embodiment, the driving mechanism 41 for rotating the rotary honeycomb rotor 402 is driven.
5. A rotor speed controller 413 for receiving a signal from the drive motor 414 and the humidity controller 409 and controlling the speed of the rotary honeycomb rotor is provided.

In the second embodiment, the control of the dehumidifier regeneration capability of the rotary honeycomb rotor 402 is controlled by the circulation cycle between the dehumidifier 404 and the regeneration unit 403 of the rotary honeycomb rotor 402, that is, the rotation of the rotor. The number is controlled by varying the rotor speed controller 414, thereby adjusting the dehumidifier regeneration capacity in the regeneration section 403 of the rotor. FIG. 8 shows the correlation between the rotational speed of the rotary honeycomb rotor type dry dehumidifier and the dehumidifying capacity. As shown in the figure, in the rotary honeycomb rotor type dry dehumidifier, the maximum regenerative performance and therefore the dehumidifying performance is exhibited when the rotation speed of the rotor is around 8 to 12 rph. At higher rotor speeds, the dehumidification performance decreases due to the rise in the sensible heat of the rotor. At lower rotor speeds,
Since the dehumidifying performance of the rotor approaches saturation, the performance decreases.
As described above, in the second embodiment based on the present application, the dehumidifying ability of the apparatus is controlled by utilizing the characteristics of the rotor speed versus the dehumidifying ability as shown in FIG. At this time, the regeneration air volume and the regeneration exhaust temperature are kept constant. Further, it is not preferable to reduce the number of rotations of the rotor to zero, since the self-cleaning action of the rotor cannot be secured.

Further, the second embodiment shown in FIG. 4 is provided with a regeneration air heating means 405 for heating the regeneration air by the steam sent through the steam valve 410. Further, the opening of the steam valve 410 is controlled by a temperature controller 418 in accordance with the temperature detected by a temperature detector 412 provided in the vicinity of the regenerative air intake of the rotor. Further, a steam trap 411 for separating and discharging condensed water from the steam coil is interposed between the regeneration air heating means 405 and the processing air outlet. In this embodiment, the regeneration air temperature is not used as the moisture control element, but functionally, it is preferable to control the regeneration air temperature so as not to change due to a change in the rotation speed of the rotor,
That is, it is preferable that the regeneration air inlet temperature of the rotor detected by the temperature detector 412 be kept constant (for example, 140 ° C.). Therefore, the opening degree of the steam valve 410 can be adjusted to adjust the regeneration air temperature. It is configured as follows. However, in the second embodiment, for example, by interlocking the humidity controller 409 and the temperature controller 418, at the same time as controlling the rotation speed of the rotor, similarly to the first embodiment, the adjustment of the regeneration capability by the regeneration temperature control. It is also possible to do.

The illustrated example shows a configuration in which the operation is performed while the temperature of the regeneration air inlet of the rotor is kept constant. However, in such a configuration, when the rotation speed of the rotor is reduced, the regeneration air outlet (regeneration exhaust gas) is generated. ) May cause an energy loss due to an increase in temperature. Therefore, depending on the application, it is also possible to provide the temperature detector 412 near the regeneration air outlet side D of the rotor and to operate so as to keep the regeneration exhaust gas temperature constant.

FIG. 5 shows a third embodiment of the dry dehumidifier according to the present invention. This dry dehumidifier 501 is
As in the first and second embodiments, the dehumidifying unit 504 is used.
And a regenerating unit 503. The rotary honeycomb rotor 502 includes a silica gel-based or zeolite-based dehumidifier that is not impregnated with lithium chloride. Dew point detector 5 near the processing air outlet
08 is provided to constantly detect the dew point temperature of the outlet of the processing air.
9 Further, in this embodiment, a regeneration air blower 506 for adjusting the air volume of the regeneration air,
A blower controller 516 for receiving and controlling a signal from the humidity controller 509 to drive and control the blower 506 is provided.

In the third embodiment, the control of the dehumidifying agent regeneration capability of the rotary honeycomb rotor 502 is performed by adjusting the amount of exhaust air of the regeneration air. FIG. 9 shows the correlation between the regeneration air volume and the dehumidifying capacity of the rotary honeycomb rotor type dry dehumidifier. As shown in the figure, for example, when it is desired to lower the dew point temperature, the dehumidifying performance can be reduced by reducing the regeneration air volume and sending the dehumidifier to the dehumidifier 504 in a state of insufficient regeneration. As described above, in the third embodiment based on the present application, the dehumidifying ability of the apparatus is controlled using the characteristic of the regeneration air volume versus the dehumidifying ability as shown in FIG. At this time, the rotor speed and the regeneration air temperature are kept constant. Further, similarly to the second embodiment,
If the rotation speed of the rotor is set to zero, it is not preferable because the self-cleaning action of the rotor cannot be secured.

Further, in the third embodiment shown in FIG.
As in the second embodiment shown in FIG. 7, a regeneration air heating means 505 for heating regeneration air with steam sent through a steam valve 510 is provided. Also, the steam valve 510
Is controlled by a temperature controller 518 in accordance with the temperature detected by a temperature detector 512 provided near the regenerative air intake of the rotor. Further, the regeneration air heating means 5
A steam trap 511 for separating and discharging the condensed water from the steam coil is interposed between the fuel cell 05 and the processing air outlet. In this embodiment, as in the second embodiment, the regeneration air temperature is not used as a moisture control element, but functionally, the regeneration air temperature is not changed by a change in the rotation speed of the rotor. It is preferable to control the temperature, that is, to keep the regeneration air inlet temperature of the rotor detected by the temperature detector 512 constant (for example, 140 ° C.). It is configured so that the air temperature can be adjusted. However, in the third embodiment, for example, by adjusting the humidity controller 509 and the temperature controller 518 in cooperation with each other, it is possible to adjust the regeneration capacity by the regeneration temperature control at the same time as the regeneration air volume control as in the first embodiment. It is also possible to do.

The illustrated example shows a configuration in which the operation is performed while the temperature of the regeneration air inlet of the rotor is kept constant. However, in such a configuration, when the rotation speed of the rotor is reduced, the regeneration air outlet (regeneration exhaust) is reduced. ) May cause an energy loss due to an increase in temperature. Therefore, as in the second embodiment, the temperature detector 512 may be provided near the regeneration air outlet side D of the rotor and operated so as to keep the regeneration exhaust gas temperature constant, depending on the application.

As described above, according to the present invention, FIGS.
As described in connection with the first to third embodiments, the regeneration air temperature adjustment means capable of adjusting the regeneration air temperature, the rotor speed adjustment means capable of adjusting the rotation speed of the rotary honeycomb rotor, and the regeneration By using any one of the regeneration air exhaust air volume adjusting means capable of adjusting the air exhaust air volume, the dehumidifier regeneration capability of the rotary honeycomb rotor can be freely controlled. Further, at this time, according to the present invention, since a silica gel-based or zeolite-based dehumidifier not impregnated with lithium chloride is used, even when the dehumidifier regenerating ability is considerably reduced, deliquescent or carrier of lithium chloride is carried out. There is no worry about over.

However, for example, as shown in the first embodiment, when only the regeneration air temperature adjustment means is used as the dehumidifier regeneration capacity adjustment means, the regeneration air volume is constant and the rotor speed is constant. However, since it is not possible to reduce the blowing power and the rotating power, it is undeniable that some energy loss occurs. Further, as shown in the second embodiment, when the rotor rotation speed adjusting means is used as the dehumidifier regenerating ability adjusting means, the regenerative air flow is constant, so that the blowing power cannot be reduced, Also, the exhaust air temperature of the regeneration air must be higher than that of the fourth embodiment described later, so that it is undeniable that a slight energy loss occurs as in the first embodiment. Furthermore, as shown in the third embodiment, when the exhaust air flow rate adjusting means for the regenerating air is used as the dehumidifier regenerating capacity adjusting means, the rotational speed of the rotor is constant, and the wear of the seal portion of the rotor is reduced. Cannot be reduced, and since the characteristics shown in FIG. 9 are not linear, stable control cannot be performed.

In view of the above-mentioned points, it is preferable to use any one of the regeneration air temperature regulator, the rotor speed regulator and the regeneration air exhaust air volume regulator as the dehumidifier regeneration capability regulator. It is clear that it is preferable to control the dehumidifier regeneration ability by combining any two or more of these means. Therefore, in the following, a fourth embodiment in which all of the above three adjusting means which are considered to be optimal among them are used as the dehumidifier regenerating ability adjusting means will be described in detail with reference to FIGS.

In the fourth embodiment shown in FIG. 1, as in the previous embodiment, the dry dehumidifier 101 includes a rotary honeycomb rotor 102 having a dehumidifier 104 and a regenerating unit 103. Based on the present application, a silica gel-based or zeolite-based dehumidifier not impregnated with lithium chloride is used. A dew point detector 108 is located near the processing air outlet.
Is provided, and the dew point temperature at the outlet of the processing air is constantly detected. The detected outlet dew point is sent to a controller 117 for integrated control of the entire system. Further, in this embodiment, the regeneration air heating means 105 for heating the regeneration air by the steam sent through the steam valve 110 as in the first embodiment, and the rotary air heater as in the second embodiment. A drive mechanism 115 for rotating and driving the honeycomb rotor 102, a rotor motor controller 114 for receiving signals from the drive motor 114 and the humidity controller 109, and controlling the number of rotations of the rotary honeycomb rotor;
A blower controller 1 for controlling the drive of the blower 106 in response to signals from the blower 106 for the regeneration air and the humidity controller 109 for adjusting the air volume of the regeneration air in the same manner as in the embodiment.
16 are provided. A steam trap 111 for separating and discharging condensed water from a steam coil is interposed between the processing air outlet and the regeneration air heating means 105. Further, the steam valve 110 and the rotor speed controller 114
And the transmitter controller 116, respectively,
The controller 117 receives a signal from the dew point detector 117 and sends a control signal to each device so as to maintain the outlet dew point at a predetermined value.

In the fourth embodiment, the control of the dehumidifier regenerating ability of the rotary honeycomb rotor 102 is most energy-saving and stable by combining all the control methods shown in the first to third embodiments. This is performed by selecting the operating point that has been set. FIG. 2 shows the correlation between the regeneration temperature, the rotor rotation and the regeneration air volume of the rotary honeycomb rotor type dry dehumidifier and the output of the dehumidifier. As shown in the figure, the three control elements are complicatedly correlated, and are not represented by absolute relational expressions. The optimum combination of each element can be selected by setting a relational expression to some extent empirically, collecting test data after test operation, and adding correction. Alternatively, it is also possible to use a fuzzy controller so as to appropriately select the optimal operating conditions.

Regardless of whether the dry dehumidifier according to the present invention is controlled by a program or by fuzzy control, in order to stabilize the control, the controller 117 further includes the processing inlet air humidity and the regeneration exhaust temperature as control elements. , The dehumidifier regeneration capacity of the rotary honeycomb rotor can be more finely adjusted.

[0032]

As described above, according to the present invention, the dehumidifier regenerating ability comprising any one or a combination of the regenerating air temperature adjusting means, the rotor speed adjusting means and the regenerating air temperature adjusting means. By using the adjusting means, it is possible to adjust the dehumidifying ability of the dehumidifying agent regenerated in the regenerating section of the rotary honeycomb rotor to a desired value. Therefore, when the dew point detected by the dehumidifying air dew point detecting means installed near the dehumidifying air outlet is not at a desired value, a predetermined signal is sent from the control means to the dehumidifying agent regeneration ability adjusting means,
The dehumidifying ability of the dehumidifying agent can be adjusted so that the dew point has a desired value.

As described above, according to the present invention, even when the dehumidifying capacity of the dehumidifier is reduced in order to avoid excessive dehumidification especially in winter and the middle period, a bypass passage is provided as in the conventional apparatus. The dew point at the outlet can be maintained at a predetermined value without rehumidification at the outlet of the processing air. When the treatment capacity is reduced to a predetermined value or less, deliquescence and carryover of lithium chloride may occur.However, in the dry dehumidifier according to the present invention, a silica gel-based or zeolite-based dehumidifier not impregnated with lithium chloride is used. Therefore, there is no risk of deliquescence or carryover of lithium chloride, the dehumidifier regeneration capacity can be adjusted freely, and energy-saving operation control can be performed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a dry dehumidifier provided with a regeneration air temperature adjustment unit, a rotor rotation speed adjustment unit, and a regeneration air exhaust air volume adjustment unit, which is configured based on the present invention.

FIG. 2 is a graph showing a relationship between an outlet humidity deviation and an output which are referred to for performing optimal control of the dry dehumidifier shown in FIG.

FIG. 3 is a configuration diagram of a dry-type dehumidifier provided with a regeneration air temperature adjusting unit configured according to the present invention.

FIG. 4 is a configuration diagram of a dry dehumidifier provided with a rotor rotation speed adjusting unit configured according to the present invention.

FIG. 5 is a configuration diagram of a dry dehumidifier equipped with a regeneration air exhaust air volume adjusting means configured according to the present invention.

FIG. 6 is a configuration diagram of a conventional rotary honeycomb rotor type dry dehumidifier.

FIG. 7 is a graph showing a relationship between a regeneration temperature and a dehumidifying capacity referred to for performing optimal control of the dry dehumidifier shown in FIG.

FIG. 8 is a graph showing a relationship between a rotor speed and a dehumidifying capacity referred to for performing optimal control of the dry dehumidifier shown in FIG. 4;

FIG. 9 is a graph showing a relationship between a regeneration air volume and a dehumidifying capacity referred to for performing optimal control of the dry dehumidifier shown in FIG.

[Explanation of symbols]

 A Process air inlet B Process air outlet C Regeneration air inlet D Regeneration air outlet 102 Honeycomb rotor 103 Regeneration unit 104 Dehumidification unit 105 Heater 106 Blower 108 Dew point detector 110 Valve 111 Thermometer 112 Temperature detector 113 Rotor speed controller 114 Motor 115 Rotor drive mechanism 117 Controller 116 Ventilation amount detector

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-61908 (JP, A) JP-A-55-51419 (JP, A) JP-A-60-119192 (JP, A) (58) Investigation Field (Int. Cl. ⁷ , DB name) B01D 53/26 101

Claims (2)

(57) [Claims] The processing air taken in from a processing air inlet is dehumidified by a rotary honeycomb rotor containing a dehumidifying agent and then sent from a dehumidification air outlet, and the outside air taken in from a regeneration air inlet is heated by a regeneration air heating means. In the rotary honeycomb rotor type dry dehumidifier, which is sent to the rotary honeycomb rotor to regenerate the dehumidifier and exhausted from the regeneration air outlet, using a silica gel or zeolite dehumidifier not impregnated with lithium chloride as the dehumidifier, Dehumidifying air dew point detecting means for detecting the dehumidifying air dew point is installed near the dehumidifying air outlet, and the regenerating air temperature adjusting means and the rotor speed adjusting means are provided.
Or a dehumidifier regenerating capacity adjusting means comprising at least one of regenerating air air volume adjusting means , and further, the dehumidifying air dew point is maintained at a predetermined value in response to a signal from the dehumidifying air dew point detecting means. Control the dehumidifier regeneration capacity adjusting means in order to
Characterized in that a that control vessel, a dry dehumidifier. 2. The method according to claim 1, wherein the dehumidifier regeneration capability adjusting means is configured to control regeneration air temperature.
Adjusting means, rotor speed adjusting means or regeneration air flow rate adjustment
The dry dehumidifier according to claim 1, comprising a combination of any two or more of the conditioning means .