JP2001120939A - Rotary adsorption/desorption type gas treating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To highly and stably exhibit adsorption performance and desorption performance. SOLUTION: In a rotary adsorption/desorption type gas treating device provided with wind intercepting walls 22a and 22b for preventing one wind passage chamber 7 of a rotor 2 from simultaneously communicating with a ventilation port 19 of a gas system to be treated and a ventilation port 21 of a gas system to be desorbed an end wall 27w in which a ventilation port 29 for fitting an adsorption tool to each wind passage chamber 7 of the rotor 2 is formed is arranged at the inner side of the wind passage chamber 7 than the rotor end side edge of the wind passage chamber 7 and each wind passage chamber 7 is divided into a ventilation conducting rotor end side branch chamber 7b opening to the rotor end side and an adsorption tool fitting rotor other end side branch chamber 7a communicating with the rotor end side branch chamber 7b by the end wall 27w.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas treatment apparatus used for recovering a solvent contained in exhaust gas from a factory (see FIGS. 1 and 9). And a large number of air passage chambers 7 each extending from one end to the other end of the rotor 2 (one end and the other end in the rotation axis direction, the same applies hereinafter) formed on the rotor 2, and each of the air passage chambers 7 has one end of the rotor. End wall 27w in a position to close side opening
To form a vent hole 29 in the end wall 27w of each air passage chamber 7, and to attach the suction tool 9 having the air-permeable adsorbent layer 8 to each air passage chamber 7
The air passage chamber 7 is attached to the ventilation port 29 while being housed in the air passage chamber 7 and passes through a predetermined suction position X when the rotor 2 rotates.
And a ventilation port 19 of the gas to be treated, which communicates from one end side of the rotor (left side in the figure) to make the air passage chamber 7 into a ventilation state of the gas to be treated A, and a predetermined attachment / detachment position Y when the rotor 2 rotates. The air passage chamber 7 passing therethrough is provided with a detachable gas vent 21 for communicating the air passage chamber 7 from one end side of the rotor so as to make the air passage chamber 7 ventilated with the gas G for detachment. The wind-shielding walls 22a and 22b facing from the side are formed at the upper and lower sides of the respective ventilation ports 19 and 21 of the gas-to-be-processed and the gas-to-be-removed / removed in the direction of rotation of the rotor. The wind barrier 2
The arrangement width W in the rotor rotation direction of 2a, 22b is set to 1
The present invention relates to a rotary adsorption / desorption type gas processing apparatus having a width for preventing two air passage chambers 7 from simultaneously communicating with a ventilation port 19 of a gas to be treated and a ventilation port 21 of a desorption gas system.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 9, a rotary type adsorption / desorption type gas processing apparatus has a vent 29 for mounting a suction tool.
Are disposed on the rotor one end side edge of each air passage chamber 7 (that is, a position corresponding to the rotor one end side edge of each partition wall K), and these end walls 27w are used for the rotation of the rotor 2. The structure is such that it is slidably moved with respect to the wind shield walls 22a and 22b (see Japanese Patent Application Laid-Open No. 6-343814).

More specifically, in the conventional apparatus, the rotor one end side edge of each partition wall K is slidably brought into contact with the wind shield walls 22a and 22b with the rotation of the rotor 2 and the rotor one end side edge of the partition wall K. A resin seal member for sealing between the wind shield walls 22a and 22b is provided, so that a gas leak between the gas passage 19 of the gas to be treated and the gas passage 21 of the desorption gas system is more reliably prevented. We are trying to prevent it, and from this,
The above-mentioned end wall 27w at one rotor side edge of each air passage chamber 7
Strictly speaking, in a state in which the partition wall K is close to the wind shield walls 22a, 22b by the protrusion of the seal member from the one end side edge of the rotor, and is in sliding contact with the wind shield walls 22a, 22b. It was structured to move to.

[0004]

However, in this conventional structure (see FIG. 9), the rotation of the rotor 2 causes the wind shield walls 22a,
22b is slidably moved relative to the end wall 27w of each air path chamber 7 to directly open and close the vent 29 formed in the end wall 27w. When the port 29 is opened from the fully closed state to the ventilation port 19 of the gas system to be treated or the ventilation port 21 of the desorption gas system from the fully closed state, or when it is closed to almost fully closed state (that is, the wind shield wall 22a). ,
Each time the degree of blockage of the vents 29 by the baffles 22b increases), the adsorbent layer 8 of the adsorbent 9 attached to each vent 29
In contrast, the gas A to be treated and the gas G to be desorbed and desorbed are unevenly ventilated in a state in which they are largely deviated, and therefore, the adsorbing performance and desorbing performance of each adsorbent layer 8 cannot be sufficiently exhibited. In addition, there is a problem that the deterioration of each adsorbent layer 8 locally progresses and the service life of the adsorbent layer 8 is shortened.

[0005] In view of this situation, the main problems of the present invention are:
The problem is to solve the above problem effectively by rational improvement.

[0006]

Means for Solving the Problems [1] In the invention according to claim 1, the rotor is partitioned by a partition wall and arranged in the circumferential direction of the rotor.
Further, a number of air passage chambers each extending from one end to the other end of the rotor are formed on the rotor, and each air passage chamber is provided with an end wall in a position to close an opening at one end of the rotor. A ventilation opening is formed in a wall, and a suction device provided with an air-permeable adsorbent layer is attached to the ventilation opening in a state of being accommodated in each of the ventilation passage chambers. And a ventilation port of a gas to be treated which is in opposing communication from one end side of the rotor to make the air passage chamber a ventilation state of the gas to be treated, and one end side of the rotor which passes through a predetermined desorption position when the rotor rotates. The air passage chamber is provided with a ventilation port of a desorption gas system that communicates with the air passage chamber to make the ventilation path of the desorption gas flow, and a wind shield wall facing the air path chamber from one end side of the rotor is treated in the rotor rotation direction. Upper side and lower side of each gas vent and desorption gas vent And the width of the wind shield wall in the direction of rotor rotation is determined by the width of one wind path chamber and the air flow of the gas to be treated and the air flow of the gas to be detached. In the rotary adsorption / desorption type gas treatment device having a width for preventing simultaneous communication with the mouth, the end wall in each air passage chamber is disposed on the back side of the air passage chamber with respect to one end edge of the rotor of the air passage chamber. Then, the end walls open the respective air passage chambers to one end of the rotor, and a rotor one-side division for guiding ventilation, and the other end of the rotor for adsorber mounting, which communicates with the one-end rotor through the vent. And divided into

In other words, with this configuration, the degree of blockage of the opening at one end of the rotor in each air passage chamber increases due to the relative movement of the wind shield wall with respect to the opening at one end of the rotor of each air passage chamber during rotation of the rotor (ie, The opening of one end of the rotor of each air passage chamber is closed from a fully closed state to a very slightly open state or close to a fully closed state with respect to the ventilation port of the gas to be treated or the ventilation port of the desorption gas system. T), even if a large drift occurs due to the restriction in the ventilation of the gas to be treated and the gas to be removed and attached between each ventilation opening and each air passage room, the rotor end opening of each air passage room facing each ventilation opening is provided. The existence of the rotor one-side branch for ventilation guide having a large chamber volume between the end wall arranged on the back side of each air passage chamber than that causes the drift to occur in the rotor one-side branch. Effectively mitigated by airflow dispersion and airflow attenuation.

[0008] From this, it is possible to improve the uniform ventilation state for the adsorbent layer of each adsorber attached to the ventilation port of the end wall while being housed in the rotor other end side compartment opposite to the rotor one end side compartment. The gas to be treated and the gas to be desorbed can be ventilated while being kept stable, so that the end wall forming the vent for attaching the adsorber can be connected to one end of the rotor end of each air passage chamber (the one end of the rotor of each partition wall). ), Compared to the above-mentioned conventional device
The adsorption performance and desorption performance of each adsorbent layer can be exhibited more stably, improving gas treatment performance, and preventing the progress of local deterioration of each adsorbent layer to endurance of the adsorbent layer The period can be lengthened.

[2] In the invention according to claim 2, claim 1
In the implementation of the invention according to the present invention, a resin sealing member that slides on the wind shield wall with the rotation of the rotor and seals between the rotor one end edge of the partition wall and the wind shield wall, It protrudes from one end side edge of the rotor.

In other words, according to this configuration, the end walls are arranged on the back side of the air passage chamber from the one end side edge of the rotor of each air passage chamber as described above, and the distance between the wind shield wall and the end wall is sufficiently increased. Gas leakage between the ventilation port of the gas to be treated and the ventilation port of the desorption gas system while adopting a structure that makes the end wall larger (that is, a structure in which the end wall is not slidably moved with respect to the wind shield wall). Can be reliably prevented by the familiar sliding contact of the resin sealing member with the wind shield wall, whereby, together with the uniform ventilation to each adsorbent layer due to the relaxation of the drift as described above, High gas processing performance can be obtained.

[3] In the invention according to claim 3, the invention according to claim 2
In carrying out the invention according to the present invention, the separation dimension between the rotor one end side edge of the partition wall and the end wall is larger than the protrusion dimension of the resin seal member protruding from the rotor one end side edge of the partition wall. I do.

In other words, according to this structure, the end wall is arranged at the rotor one end edge of the air passage chamber, that is, at a position corresponding to the rotor one end edge of the partition wall. As compared with the conventional device in which the resin sealing member is projected from the above, the above-mentioned action of alleviating the drift due to the one end side chamber of the rotor is particularly remarkably exhibited, and thereby the gas processing performance according to the invention according to claim 1 And the service life of the adsorbent layer can be extended more effectively.

In this type of rotary adsorption / desorption type gas treatment apparatus, the surface wind velocity of the passing gas at each ventilation port of the gas to be treated and the gas for desorption is generally about 0.5 to 1.0 m / s. However, when the surface wind speed is in this range, the rotor end edge of the partition wall (in a structure in which a resin seal member is attached to the edge of the partition wall, a position corresponding to the base end of the seal member) and the end wall. Is preferably 40 mm or more, and the distance between the tip and the end wall of the resin sealing member is preferably 70 mm or more.

[4] In the invention according to claim 4, claim 1
In practicing the invention according to any one of the above-described embodiments, the partition wall is formed by partitioning a main wall portion that forms a partition on the other end side of the rotor for adsorbing device mounting, and a partition wall on the one end side of the rotor for ventilation guide. A split structure with the extending wall portion to be formed.

In other words, according to this structure, the partition walls for partitioning the adjacent air passage chambers in the circumferential direction of the rotor are formed by the main wall portion and the extension wall portion which are separate from each other, so that the main wall portion and the extended wall portion are separated from each other. The end wall located at the boundary with the extension wall portion can be formed of a common wall material extending over a plurality of air passage chambers in the circumferential direction of the rotor, whereby the end wall of each air passage chamber is formed of an individual divided wall material. Compared to forming the rotor, the strength of the rotor can be increased in a state where the common wall material for forming the end wall over the plurality of air passage chambers in the circumferential direction of the rotor effectively functions as a reinforcing member for retaining the rotor.

[5] In the invention according to claim 5, claim 1 is
In practicing the invention according to any one of the above-described embodiments, a transmission belt or a transmission chain is wound around the outer periphery of the rotor and the motor-driven rotating body, and the torque of the motor-driven rotating body is rotated by the transmission belt or the transmission chain. Is transmitted to the rotor to rotate the rotor.

That is, according to this configuration, the torsional moment acting on the rotor rotating shaft is reduced by reducing the torsional moment acting on the rotor rotating shaft as compared with the case where the rotor is rotated by driving and rotating the rotating shaft of the rotor using a gear mechanism or the like. The diameter can be reduced, and the shape of the rotor can be increased and the rotor forming material can be made thinner and lighter by using a transmission belt or a transmission chain wound around the outer periphery of the rotor as a reinforcing means. The apparatus cost can be reduced and the power required for rotating the rotor can be reduced by reducing the weight of the rotor.

[0018]

1 and 2 show a rotary adsorption / desorption type gas processing apparatus used for recovering a solvent vapor contained in factory exhaust gas, etc., and 1 is an apparatus casing in which an adsorption rotor 2 is incorporated. The casing 1 has a treated gas inlet 3 for introducing a treated gas A containing a component to be recovered, and a treated gas outlet 4 for delivering a treated gas A 'after collecting the component to be recovered. Gas G used for adsorbent regeneration
A desorption gas inlet 5 for introducing (for example, high-temperature air);
A concentrated gas delivery port 6 for delivering a desorption gas G '(concentrated gas described later) after being used for adsorbent regeneration is formed.

As shown in FIGS. 1 to 6, the rotor 2 is arranged at equal pitches in the circumferential direction of the rotor 2 over the entire circumference of the rotor 2 in a state of being partitioned by a partition wall K. A large number of air passage chambers 7 (opening chambers at both ends composed of a rotor one-side chamber 7b and a rotor other-side chamber 7a, which will be described later) are formed over the other end. A detachable cassette type suction tool 9 as shown in FIG. 7 having an adsorbent layer 8 is mounted.

The interior of the apparatus casing 1 is located at one end side (left side in the figure) of the rotor 2 by two inner walls 10 and 11 which sandwich the rotor 2 from both ends thereof. 4, a rotor arrangement chamber 13 between the two inner walls 10 and 11, and a gas chamber to be processed which is located at the other end of the rotor 2 and communicates with the gas inlet 3. 14 and is divided.

On the inner wall 10 on the side of the treated gas chamber 12, a wind path chamber 7 which passes through a predetermined suction position X during rotation of the rotor 2 (a wind whose one end opening is entirely within the range of the suction position X). An outlet side vent 19 of the gas system to be treated, which communicates with the passage chamber 7) from one end of the rotor to communicate the air passage chamber 7 with the treated gas chamber 12, and a predetermined desorption position in the rotation of the rotor 2. Y communicates from one end of the rotor with the air passage chamber 7 (the air passage chamber 7 whose one end side opening is entirely within the range of the attachment / detachment position Y). An inlet-side ventilation port 21 of a desorption gas system is formed to communicate with the desorption gas inlet 5 through the passage 20.

On the inner wall 10, the upper and lower sides of the rotor in the direction of rotation of the rotor with respect to the inlet-side ventilation port 21 of the desorption gas system (in other words, the rotation of the rotor with respect to the outlet-side ventilation port 19 of the gas system to be treated). In each of the upper and lower sides in the direction, the portion extending between the edges of the inlet-side ventilation port 21 of the desorption gas system and the outlet-side ventilation port 19 of the gas to be treated is connected to the wind path chamber 7 at one end of the rotor. Wind barrier 22 facing from
a, 22b, and the arrangement width W of the wind shield wall portions 22a, 22b in the rotor rotation direction is a width that prevents one air passage chamber 7 from communicating with both the air vents 19, 21 at the same time (that is, the width W). (A width that prevents gas leak between the two ventilation ports 19 and 21 due to one air path chamber 7 communicating with the two ventilation ports 19 and 21 at the same time).

On the other hand, on the inner wall 11 on the side of the gas chamber 14 to be treated, the air passage chamber 7 passing through the above adsorption position X (ie,
The inlet side ventilation of the gas-to-be-processed, which communicates from the other end of the rotor with the air passage chamber 7) which is in communication with the processed gas chamber 12 and communicates the air path chamber 7 with the gas chamber 14 to be processed. Mouth 1
5 and the air path chamber 7 passing through the desorption position Y (that is, the air path chamber 7 in communication with the desorption gas introduction port 5) through the internal air path 16 on the delivery side to supply the concentrated gas. An outlet side ventilation port 17 of a desorption gas system communicating with 6 is formed.

Also, like the other inner wall 10, this inner wall 1
1, the outlet-side ventilation port 17 of the desorption gas system and the inlet-side ventilation port 15 of the gas-to-be-processed on the upper and lower sides of the rotor rotation direction with respect to the outlet side ventilation port 17 of the desorption gas system, respectively. Of the windshield chamber 7 from the other end side of the rotor, the windshield walls 18a and 18b face each other, and the arrangement width W of the windshield walls 18a and 18b in the rotor rotation direction is changed by one wind. A width for preventing the passage chamber 7 from communicating with both the ventilation ports 15 and 17 at the same time (that is, between the ventilation holes 15 and 17 due to the simultaneous communication of one ventilation chamber 7 with the ventilation ports 15 and 17). Width to prevent gas leaks).

That is, in this gas processing apparatus, the gas A to be processed introduced into the gas chamber 14 from the gas inlet 3 to be processed is passed through the air passage 15 at the adsorption position X through the inlet side ventilation port 15 of the gas to be processed. The gas A to be treated is passed through the air passage chamber 7 and passes through the mat-shaped adsorbent layer 8 of the cassette-type adsorbent 9 mounted on the air passage chamber 7 at the adsorption position X. A component to be recovered such as a solvent vapor contained in the processing gas A is adsorbed by the constituent adsorbent of the mat-shaped adsorbent layer 8. The treated gas A ′ from which the components to be recovered have been removed by this adsorption is used as the treated gas, from the air passage chamber 7 at the adsorption position X to the treated gas chamber 12 through the outlet-side vent 19 of the treated gas system. It is discharged and sent out from the treated gas outlet 4 to the outside.

At the same time as the adsorption process, the desorption gas G (high-temperature gas having a smaller air flow than the gas A to be treated) introduced from the desorption gas inlet 5 is introduced into the introduction-side internal air passage 20 and the desorption. The gas is passed through the gas-system inlet-side ventilation port 21 to the air passage chamber 7 at the desorption position Y, and the gas G for desorption is inserted into the air passage chamber 7 at the desorption position Y during the passage of the air passage chamber. By allowing the component 9 to pass through the mat-shaped adsorbent layer 8, the target component adsorbed by the constituent adsorbents of the adsorbent layer 8 at the previous adsorption position X is desorbed into the desorption gas G. Then, the desorption gas G ′, in which the component to be recovered is contained at a higher concentration than the gas to be treated A due to the desorption, is used as a concentrated gas from the air path chamber 7 at the desorption position Y to the outlet side of the desorption gas system. The gas flows out to the ventilation port 17 and is sent out from the concentrated gas sending port 6 to the outside through the sending-side internal air passage 16.

Then, as the rotor 2 rotates, each air passage chamber 7
By repeating the above-mentioned adsorption step and desorption step alternately for the adsorbent layer 8 of the cassette-type adsorption tool 9 in
The recovery process of the form in which the recovery target component in the gas A to be treated is transferred to the desorption gas G having a smaller air flow than the gas A to be treated and concentrated is continued.

In the apparatus of this embodiment, a total of 12
While the air passage chamber 7 of the chamber is partitioned and formed, the suction position X is set to a position having an angular width slightly smaller than the eleven air passage chambers 7 (a central angle slightly smaller than 330 °), and a detachment position Y
Is located at a position having an angle width slightly smaller than the three air passage chambers 7 (a central angle slightly smaller than 90 °), and the wrap portion between the suction position X and the desorption position Y is one of the air passage chambers 7. The angle width is slightly smaller than the room (the center angle is slightly smaller than 30 °), and the wind-shielding wall portions 18a, 18b, 22a, and 22b located at these wrap portions are slightly more than one room of the air passage room 7. It has a large angular width (central angle slightly larger than 30 °).

The rotor 2 has an inner cylinder 23 and an outer cylinder 24 which are arranged concentrically.
Is used as a base, and both ends of the inner cylinder 23 are closed by closing plates 25a and 25b, and the inner cylinder 23 is closed by these closing plates 25a and 25b.
Are connected to the rotor rotating shaft 26 as connecting tools.

The annular space between the inner cylinder 23 and the outer cylinder 24 is
The partition plates 28 are arranged at equal pitches in the circumferential direction of the rotor and are divided into a plurality of compartments 7a each having a fan-shaped cross section, and one end of each of the compartments 7a has a donut plate closing one end of the annular space. An end wall 27w is formed by the common wall material 27 having a shape, and two vent holes 29 for attaching the suction device are formed in the end wall 27w of each of the compartments 7a, thereby forming each of the compartments 7a. In each of the compartments 7a, two cassette-type suction tools 9 are accommodated in each of the compartments 7a as a rotor other-end sub-chamber for mounting the suction tools in each of the air passage chambers 7, and the cassette-type suction tools 9 are inserted into the ventilation holes 29. It has a structure to be attached.

The connecting portion (one end edge of the inner cylinder 23) between the donut plate-shaped common wall material 27 for forming the end wall and the inner cylinder 23 extends over the entire circumference of the inner cylinder 23 in a posture continuous with the inner cylinder 23. An annular inner cylinder extending member 30a is attached, and an inner peripheral sealing member 33 made of resin, which is always in sliding contact with the inner wall 10 as the rotor 2 rotates, is extended around the entire circumference of the inner cylinder extending member 30a. Inner cylinder extension member 30a via member 30b
Similarly, a connecting portion (one end edge of the outer cylinder 24) between the donut plate-shaped common wall material 27 for forming the end wall and the outer cylinder 24 is provided in a manner to continue the outer cylinder 24. A state in which an annular outer cylinder extension member 31a is attached to the entire circumference of the outer cylinder extension member 24, and a resin outer seal member 34, which is always in sliding contact with the inner wall 10 with the rotation of the rotor 2, extends over the entire circumference of the outer cylinder extension member 31a. And is attached to the outer cylinder extension member 31a via the annular support member 31b.

The connecting portion between the donut plate-like common wall material 27 for forming the end wall and each partition plate 28 is provided between the inner cylinder extension member 30a and the outer cylinder extension member 31b in a posture continuous with the partition plate 28. And the windshield wall portion 22 of the inner wall 10 with the rotation of the rotor 2.
a, a partition sealing member 35 made of resin to be brought into sliding contact with the a and 22b
Is attached to each partition plate extension member 32a via the support member 32b in a state of extending over the entire length of the partition plate extension member 32a. With this structure, the inner wall 10 is larger than the end plate 27w.
On the side of the inner cylinder extension member 30a and the support member 30b for the subsequent inner peripheral seal member (strictly, between the distal end of the inner cylinder extension member 30a and the proximal end of the inner peripheral seal member 33 in the support member 30b). Part) and the outer cylinder extension member 31a
And a subsequent supporting member 31b for the outer peripheral sealing member (strictly speaking, the outer cylinder extending member 31a in the supporting member 31b).
Between the distal end of the outer peripheral seal member 34 and the proximal end of the outer peripheral seal member 34);
The partition plate extension member 32a and the support member 32b for the partition seal member that follows (strictly speaking, a portion between the distal end of the partition plate extension member 32a and the base end of the partition seal member 35 in the support member 32b) have four sides. Enclosed room 7b,
Each of the air passage chambers 7 is formed by the enclosure chamber 7b and the above-mentioned compartment chamber 7a as a branch chamber on one end side of the rotor for ventilation guide in each of the air passage chambers 7.

That is, in the apparatus of the present embodiment, each air passage chamber 7 in the rotor 2 is divided into one end chamber (enclosure chamber 7b) for ventilation guide and the other end chamber (compartment chamber 7) for adsorbing device mounting.
a), the end wall 27w forming the suction port 29 for attaching the suction device is disposed at one end of the rotor end of each air passage chamber 7 (a position corresponding to the end of the one end of the rotor of each partition wall K, Specifically, the predetermined dimension d is larger than the position corresponding to the base end of the section seal member 35).
The air passage chambers are disposed only on the inner side of the air passage chambers, whereby the rotation of the rotor 2 causes the relative movement of the wind shield wall portions 22a and 22b on the inner wall 10 side with respect to the rotor one end opening of each air path chamber 7 so that each wind path chamber is moved. 7 is a state in which the opening on one end side of the rotor is closed from the fully closed state to the outlet side ventilation port 19 of the gas system to be treated and the inlet side ventilation port 21 of the desorption gas system from the fully closed state or close to the fully closed state. Therefore, even if a large drift due to the restriction occurs in the gas ventilation between these ventilation ports 19 and 21 and each of the air passage chambers 7,
In a state where the drift is effectively alleviated by airflow dispersion and airflow attenuation in the rotor one-side branch 7b for ventilation guide,
Cassette type suction tool 9 attached to vent hole 29 of end wall 27w
The gas A to be treated and the gas G for desorption can be passed through the mat-shaped adsorbent layer 8 stably while maintaining a uniform ventilation state.

The partition wall K for partitioning the adjacent air passage chambers 7 is formed to form the rotor one end side chamber 7b for ventilation guide.
A main wall portion made up of a partition plate 28 that forms a partition on the other end side rotor compartment 7a (the compartment) for mounting the suction device;
A partition plate extending member 32a that partitions and forms a rotor one-side compartment 7b (the enclosure) for ventilation guidance, and a support member 32b for a subsequent partition seal member (a tip of the partition plate extension member 32a in the support member 32b and a partition seal). Member 3
5), the end wall 27w of each of the air passage chambers 7 is formed of a common wall material 27 in the form of a donut, thereby forming a plurality of end walls 27w. The donut plate-shaped common wall member 27 extending over the air passage chamber 7 is effectively functioned also as a reinforcing member for keeping the rotor in shape, thereby increasing the strength of the rotor.

In the apparatus of this embodiment, the partition sealing member 3
5 is about 30 mm in the direction of the axis of rotation of the rotor (projection dimension from the partition wall K), while the end of the partition wall K at one end of the rotor (the position corresponding to the base end of the partition seal member 35) and the end wall The distance d from 27w is 40mm to 50m
m.

On the other hand, at the other end of the rotor 2, the inner and outer seal members 36 and 37 made of resin, which are always in sliding contact with the inner wall 11 with the rotation of the rotor 2, are attached to the entirety of the inner cylinder 23 and the outer cylinder 24. The annular support member 23 is extended around the circumference.
a partition seal member 38 made of resin, which is attached to the end portions of the inner cylinder 23 and the outer cylinder 24 via the a and 24a, and slidably contacts the wind shielding wall portions 18a and 18b of the inner wall 11 as the rotor 2 rotates. The partition plate 28 is attached to the edge of each partition plate 28 via a support member 28a while extending over the entire length of the partition plate 28 in the radial direction of the rotor.

Reference numeral 39 denotes a timing belt wound around a motor drive pulley 41 rotated by a motor 40 and the outer cylinder 24 (ie, the outer periphery of the rotor 2). The structure is such that the rotational force of the pulley 41 is transmitted to the outer cylinder 24 to rotate the rotor 2, and the rotor rotating shaft 26 is an idle shaft.

That is, by employing this rotor drive structure, the torsional moment acting on the rotor rotating shaft 26 is reduced as compared with the case where the rotor 2 is rotated by driving and rotating the rotor rotating shaft 26 using a gear mechanism or the like. Thus, the diameter of the rotor shaft 26 can be reduced, and the timing belt 39 wrapped around the outer cylinder 24 is used as a reinforcing means for the outer cylinder 24, so that the shape of the outer cylinder 24, which is a large-diameter cylindrical body, is maintained. And the thickness of the plate material forming the outer cylinder 24 can be reduced.

A timing belt 3 is provided on the outer peripheral surface of the outer cylinder 24.
9 is formed, and the timing belt 39 is provided with a tension device 43.
Thus, tension is applied in a direction in which the length (wrapping length) of the contact portion with the outer cylinder 24 increases, that is, in a direction in which the shape retention of the outer cylinder 24 is further enhanced.

As shown in FIGS. 7 and 8, the cassette-type suction tool 9 has a cylindrical body having a peripheral wall formed of a netting material 44 and one end of which is closed by a bottom plate 45. A structure in which a gas-permeable mat-like adsorbent layer 8 (for example, a mat-like body mainly composed of fibrous activated carbon) is wound around the outer periphery of the above, and both ends of the wound adsorbent layer 8 are tightened and fixed by a tightening tool 47. It is.

A mounting screw 48 is attached to the bottom plate 45 of the cassette base 46, and the cassette base opening to be applied to the edge of the ventilation port 29 in the end plate 27w when mounted on the rotor 2. The flange 49 is provided with a seal member 50 for making the contact airtight.

The structure for mounting the cassette-type suction tool 9 in the air passage chamber 7 of the rotor 2 is as follows.
A plurality of support rods 51 protruding from the other end side chamber 7a for mounting the suction tool are attached at equal intervals to the edge of each ventilation port 29 on the end plate 27w of the end plate 27w. The cassette base 46 inside the suction tool 9
A support plate 52 that is close to and opposed to the bottom plate 45 is attached across the distal ends of the support rods 51, and a female screw member 53 for the mounting screw 48 on the cassette base side is attached to the support plate 52.

That is, the inner wall 11 on the side of the gas chamber 14 to be treated
The suction tool 9 is inserted into the other end-side chamber 7a of each of the air passage chambers 7 of the rotor 2 in the rotor 2 through the inlet-side ventilation port 15 of the target gas system, and the inserted suction tool 9 is connected to the support rod 51 and the support plate. 52, and the flange 49 of the cassette base opening is attached to the end plate 27w.
In this state, the mounting screw 48 on the cassette base side is screwed into the female screw member 53 of the support plate 52 in this state, and the suction tool 9 is moved to each air passage chamber 7. To the vent hole 29.

In order to efficiently perform adsorption and desorption,
Although the ventilation direction of the gas A to be treated to the mat-shaped adsorbent layer 8 and the ventilation direction of the gas G for desorption are reversed, in the aforementioned ventilation structure for the rotor 2, the gas A to be treated having a large air volume is
Is wrapped around the outer periphery of the cassette base 46 by taking a ventilation form in which the air is ventilated from the outside to the inside of the cylindrical adsorbent 9 and the small amount of gas G for desorption is ventilated from the inside to the outside of the cylindrical adsorbent 9. The trouble that the mat-shaped adsorbent layer 8 peels off due to wind pressure can be avoided more reliably.

In addition, an inspection door 54 is provided in a portion corresponding to the outer wall of the gas chamber 14 to be treated in the apparatus casing 1, and a detaching operation and a mounting operation of the adsorbent 9 for exchanging the mat-shaped adsorbent layer 8 and the like are performed. Is performed through the inspection door 54.

[Another Embodiment] Next, another embodiment will be described. The air-permeable adsorbent layer 8 provided in the adsorbent 9 is not limited to the mat-like material mainly composed of fibrous activated carbon, but is filled with a fibrous or granular adsorbent in a gas-permeable bag-like material. Such,
Various types can be appropriately used, and the specific structure of the adsorbent 9 provided with the adsorbent layer 8 and the adsorbent mounting structure on the side of the air passage chamber are not limited to those described in the above-described embodiment. Structural changes are possible.

Instead of a structure in which two suction tools 9 are mounted in each air passage chamber 7, a structure in which one suction tool 9 or three or more suction tools 9 are mounted in each air path chamber 7 is adopted. Well,
Further, the number of air passage chambers 7 arranged in the rotor 2 is not limited to twelve.

In the above-described embodiment, the ventilation port 19 of the gas to be treated, which is communicated from one end side of the rotor to the air path chamber 7 passing through the suction position X, is used as the ventilation port on the outlet side with respect to the air path chamber 7. The ventilation port 21 of the detachable gas system, which communicates with the wind path chamber 7 passing through the desorption position Y from one end side of the rotor, is set as the ventilation port on the inlet side with respect to the wind path chamber 7. The ventilation ports 19 and 21 for the gas to be treated and the gas system to be detached and connected to the air passage chamber 7 from the side of the one end chamber 7 b for guiding the ventilation in the air passage chamber 7 are respectively provided at the entrances to the air passage chamber 7. It may be either the ventilation port on the side or the ventilation port on the exit side.

Each wind shield wall 22a, 22b, 18a, 18b
Means that one air passage chamber 7 has ventilation holes 19, 15 for the gas to be treated.
It is only necessary to have an arrangement width W that can prevent the same communication with the gas ports 21 and 17 of the desorption gas system. At the same time, it may have an arrangement width that completely blocks the wind.

In the above-described embodiment, the main wall portion 28 for partitioning the partition wall K to form the other end side chamber 7a for mounting the adsorbing device.
And the extended wall portions 32a and 32b that partition and form the one end chamber 7b for guiding the ventilation are divided. However, depending on the case, the partition wall K may be formed by other divided structures, or the integral member may be formed. May form the partition wall K.

When the sealing member 35 made of resin to be brought into sliding contact with the wind shield walls 22a and 22b is projected from one edge of the partition wall K at one end of the rotor, the specific mounting structure of the sealing member 35 to the partition wall K is as follows. Various configurations can be changed without being limited to the structure shown in the above-described embodiment. In addition, one end edge of the partition wall K at one end of the rotor (when the seal member 35 is attached,
The distance d between the end wall 27w and the position corresponding to the base end of the seal member 35 may be determined according to conditions or the like.

In the above embodiment, the timing belt 3
Although a rotor drive structure is adopted in which the belt 9 is wound around the outer periphery of the rotor 2 and the motor drive pulley 41, a transmission belt other than the timing belt is wound around the outer periphery of the rotor 2 and the motor drive pulley, A rotor drive structure may be adopted in which a sprocket is used as a motor-driven rotating body instead of a pulley, and a transmission chain is wound around a tooth row around the rotor and the motor-driven sprocket.

The component to be recovered in the gas to be treated A is any type of component that can be adsorbed by the adsorbent, such as solvent vapor in factory exhaust gas, harmful gas component in air, or moisture in gas. As the desorption gas G, various gases can be used as long as they can desorb the components to be recovered adsorbed on the adsorbent, such as high-temperature air and high-temperature steam.

[Brief description of the drawings]

FIG. 1 is a partially broken perspective view.

FIG. 2 is a longitudinal sectional view

FIG. 3 is a cross-sectional view

FIG. 4 is a development view of a rotor.

FIG. 5 is an enlarged sectional view of a main part.

FIG. 6 is an enlarged perspective view of a main part.

FIG. 7 is a structural view of a cassette type suction device.

FIG. 8 is an exploded view showing a mounting structure of the cassette type suction device.

FIG. 9 is a development view of a rotor showing a conventional structure.

[Explanation of symbols]

 Reference Signs List 2 Rotor 7 Air path chamber 7a Rotor other end side compartment for adsorbing device mounting 7b Rotor one end side compartment for ventilation guiding 8 Adsorbent layer 9 Adsorbing device 19 Vent port for gas to be treated 21 Vent port for desorption gas system 22a , 22b Windshield wall 27w End wall 28 Main wall portion 29 Vent 32a, 32b Extension wall portion 35 Seal member 39 Transmission belt 41 Motor driven rotating body A Gas to be processed d Separation dimension G Desorption gas K Partition wall W Wall arrangement width X Suction position Y Desorption position

Claims (5)

[Claims] A rotor has a plurality of air passage chambers partitioned by partition walls and arranged in the circumferential direction of the rotor, each of the air passage chambers extending from one end to the other end of the rotor. A vent is formed in the end wall of each air passage chamber, and a suction device having a breathable adsorbent layer is attached to each air passage chamber in a state of being accommodated in each air passage chamber. And a ventilation port for a gas to be treated, which is in opposition to one end side of the rotor and communicates with the air passage chamber passing through a predetermined suction position during the rotation of the rotor to make the air passage chamber a ventilation state for the gas to be treated.
An air passage for a detachable gas system is provided, wherein the air passage chamber passes through a predetermined attachment / detachment position during rotation of the rotor, and is provided with a ventilation port for a detachable gas system that communicates from one end side of the rotor to make the air passage chamber a ventilation state of the detachment gas. A wind-shielding wall facing from one end of the rotor is disposed on the upper side and the lower side of each of the ventilation ports of the gas to be treated and the desorption gas in the direction of rotation of the rotor so as to extend over the edges of the ventilation ports. The width of the wind shield wall in the rotor rotation direction is set to a width that prevents one air passage chamber from simultaneously communicating with the ventilation port of the gas system to be treated and the ventilation port of the desorption gas system. A gas adsorption and desorption type gas treatment apparatus, wherein the end wall in each air passage chamber is disposed on the back side of the air passage chamber from one end edge of one end of a rotor of the air passage chamber, and each end wall is used to rotate each air passage chamber by a rotor. A ventilating guide rotor opening at one end, Wherein the end-side compartment vent rotary desorption type gas treating apparatus that is partitioned into the rotor end side compartments for sucker attachment communicating through. 2. A resin sealing member, which slides on the wind shield wall with the rotation of the rotor and seals between the rotor end side edge of the partition wall and the wind shield wall, comprises a resin end member on the partition wall. 2. The rotary adsorption / desorption type gas processing apparatus according to claim 1, wherein the apparatus protrudes from a side edge. 3. The distance between the rotor one end side edge of the partition wall and the end wall is made larger than the projecting dimension of the resin seal member protruding from the rotor one end side edge of the partition wall. 3. A rotary adsorption / desorption type gas processing apparatus according to claim 2. 4. The partition wall is divided into a main wall portion that forms a partition on the other end side of the rotor for mounting a suction device, and an extended wall portion that forms a partition portion on the one end side of the rotor for ventilation guide. The rotary adsorption / desorption type gas treatment apparatus according to any one of claims 1 to 3, which has a structure. 5. A transmission belt or a transmission chain is wound around an outer periphery of the rotor and a motor driven rotating body,
The rotary adsorption / desorption type gas processing apparatus according to any one of claims 1 to 4, wherein the transmission belt or the transmission chain transmits the rotational force of the motor driven rotating body to the rotor to rotate the rotor. .