CN111841267B - Micro-thermal regeneration adsorption dryer - Google Patents
Micro-thermal regeneration adsorption dryer Download PDFInfo
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- CN111841267B CN111841267B CN202010714200.9A CN202010714200A CN111841267B CN 111841267 B CN111841267 B CN 111841267B CN 202010714200 A CN202010714200 A CN 202010714200A CN 111841267 B CN111841267 B CN 111841267B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40096—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating by using electrical resistance heating
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Abstract
The application relates to a micro-thermal regeneration adsorption type dryer, which relates to the technical field of dryers and comprises a base, wherein a support table is arranged above the base; the support table is provided with adsorption towers, and heaters are connected among the adsorption towers through pipelines; an accommodating cavity is formed between the base and the supporting platform, an accommodating seat is arranged in the accommodating cavity, and a climbing seat is arranged in the accommodating seat; the climbing ladder seat comprises a transverse sliding frame and a longitudinal climbing ladder frame hinged in the transverse sliding frame; the transverse sliding frame is arranged in the accommodating seat in a sliding mode along the horizontal direction, and the longitudinal stair climbing frame rotates around a hinge shaft of the transverse sliding frame along the vertical direction; an arc-shaped slot is formed at one end of the longitudinal ladder climbing frame, which is far away from the hinge shaft of the longitudinal ladder climbing frame, and the arc-shaped slot is mutually inserted with the longitudinal outer side wall of the adsorption tower; a storage cavity is formed on the transverse sliding frame, and the longitudinal ladder stand is hinged in the storage cavity; this application has the effect that can conveniently maintain the pipeline at absorption tower top.
Description
Technical Field
The application relates to the technical field of dryers, in particular to a micro-thermal regeneration adsorption type dryer.
Background
At present, the micro-thermal regeneration adsorption dryer is used for adsorbing and drying compressed air by adopting an external (electrical heating) micro-heating regeneration mode according to the principles of pressure swing adsorption and regeneration circulation. The product integrates the advantages of a non-heat regeneration dryer and a heat regeneration dryer, reduces the loss of regeneration gas quantity by utilizing external micro-heating, and simultaneously avoids the defect of large power consumption of the heat regeneration dryer.
Chinese patent No. CN206535384U in the prior art discloses a micro-thermal regeneration adsorption dryer, which provides a micro-thermal regeneration adsorption dryer with the advantage of convenient transportation for operators, and comprises a base, two adsorption towers fixed on the base and a heater; the holding tank has been seted up to one side of base orientation ground, be equipped with the gyro wheel that a plurality of acceptd in the holding tank, still be equipped with the drive unit who is used for driving the gyro wheel orientation or moves dorsad ground on the base, drive unit is including setting up drive cylinder and the driving piece in the holding tank, the gyro wheel is fixed on the driving piece, can make things convenient for operating personnel to promote and carry whole desiccator when the gyro wheel is released, it can support the desiccator more firmly through the base to increase when the gyro wheel is packed up, thereby be convenient for the transport of desiccator, overhaul and use, can also make the desiccator wholly more stable in the course of the work.
The above prior art solutions have the following drawbacks: though can conveniently carry the desiccator through the gyro wheel, when operating personnel need connect or maintain the pipeline at adsorption tower top, because the height of adsorption tower is higher relatively, operating personnel is inconvenient maintains the pipeline at adsorption tower top.
Disclosure of Invention
To the not enough of prior art existence, this application provides a little hot regeneration adsorption dryer, has the effect that can conveniently maintain the pipeline at adsorption tower top.
The technical purpose of the application is realized by the following technical scheme:
a micro-thermal regeneration adsorption dryer comprises a base, wherein a supporting table which is arranged in parallel is arranged above the base; the support table is provided with adsorption towers, and heaters are connected among the adsorption towers through pipelines; an accommodating cavity is formed between the base and the supporting platform, an accommodating seat is arranged in the accommodating cavity, and a climbing seat is arranged in the accommodating seat; the climbing ladder seat comprises a transverse sliding frame and a longitudinal climbing ladder frame hinged to one end of the transverse sliding frame, which is close to the opening of the accommodating seat; the transverse sliding frame is arranged in the accommodating seat in a sliding mode along the horizontal direction, and the longitudinal stair climbing frame rotates around a hinge shaft of the transverse sliding frame along the vertical direction; an arc-shaped slot is formed at one end of the longitudinal ladder climbing frame, which is far away from a hinge shaft of the longitudinal ladder climbing frame, and the arc-shaped slot is mutually inserted with the longitudinal outer side wall of the adsorption tower; the transverse sliding frame is provided with a containing cavity with an opening facing the longitudinal ladder climbing frame, and the longitudinal ladder climbing frame is hinged in the containing cavity.
By adopting the technical scheme, when the pipeline at the top of the adsorption tower needs to be maintained or connected, the ladder stand seat is pulled out of the accommodating seat, and then the longitudinal ladder stand frame is turned outwards out of the accommodating cavity around the hinged shaft of the transverse sliding frame; then, the longitudinal ladder frame is obliquely leaned on the outer side wall of the adsorption tower, and the arc-shaped slot arranged at the top of the longitudinal ladder frame is inserted into the outer side wall of the adsorption tower, so that the longitudinal ladder frame is limited, and the stability of the longitudinal ladder frame is ensured; an operator can smoothly climb to the top of the adsorption tower through the longitudinal ladder climbing frame, so that the pipeline at the top of the adsorption tower can be conveniently maintained and connected; after maintenance work, through with vertical cat ladder frame around with horizontal balladeur train articulated shaft upset downwards to accomodating the intracavity, again with horizontal balladeur train push again to holding in the seat to just can realize accomodating the cat ladder seat, reduce holistic area.
The application is further configured to: the longitudinal ladder stand comprises a first climbing stand and a second climbing stand, wherein the bottom of the first climbing stand is hinged in the containing cavity, and the second climbing stand is hinged at the upper end of the first climbing stand; the second climbs the frame and rotates along the direction of turning into or turning out the chamber around the articulated shaft with first climbing the frame, fixed mounting has coaxial ratchet on the articulated shaft of second climbing the frame, be provided with the pawl that one end inserted in the ratchet on the first climbing the frame, the pawl is used for restricting the second to climb the frame and rotate to the direction of turning into the chamber of accomodating.
By adopting the technical scheme, after the longitudinal ladder climbing frame is turned out from the containing cavity, an operator can adjust the inclination angle of the second ladder climbing frame to a proper position according to different height requirements of the operator; when the inclination angle of the second climbing frame is adjusted, the pawl cannot limit the upward turning of the second climbing frame; after the inclination angle of the second climbing frame is adjusted, the second climbing frame can be fixed through the matching of the pawl and the ratchet wheel, so that the second climbing frame is limited to rotate towards the direction of turning into the containing cavity, the second climbing frame can have better weighing capacity, and the smooth climbing of operators is further ensured; when accomodating vertical ladder frame, will climb the frame with the second and overturn to the first frame outside of climbing to the direction of accomodating the chamber dorsad for the second climbs frame and first frame folding each other that climbs, at last with first frame of climbing to accomodating the intracavity round the articulated shaft of lower extreme, can realize accomodating vertical ladder frame.
The application is further configured to: a limiting piece is movably inserted into the upper edge of the transverse sliding frame along the horizontal direction, one end of the limiting piece is inserted into the containing cavity from the outer side wall of the transverse sliding frame, and the other end of the limiting piece is positioned on the outer side wall of the transverse sliding frame; the limiting piece is close to one side of the first climbing frame and the hinge shaft of the transverse sliding frame, and an inclined plane is arranged on one side of the limiting piece, which faces the first climbing frame; the first frame lateral wall of climbing is provided with the spacing hole of opening towards the locating part, still the cover has and is used for inserting the tight spring in spacing downthehole with locating part one end on the locating part.
By adopting the technical scheme, when the first climbing frame rotates gradually towards the direction close to the limiting piece around the hinge shaft of the containing cavity, the first climbing frame firstly pushes out one end of the limiting piece from the containing cavity gradually along the inclined plane, and at the moment, the spring is in a stretching state; when one end of the limiting piece moves to be aligned with the limiting hole, one end of the limiting piece is inserted into the limiting hole under the action of spring force, and the turned-out first climbing frame can be fixed through the mutual inserting and matching of the limiting piece and the limiting hole; avoid first frame of climbing to take place to rotate when using, make first frame of climbing more firm.
The application is further configured to: the side wall of the second climbing frame facing the first climbing frame is hinged with a support rod, and the support rod rotates around a hinge shaft in the vertical direction; the first climbing frame is provided with a clamping groove with an opening facing the supporting rod.
By adopting the technical scheme, after the lower end of the first climbing frame is fixed through the limiting piece, the second climbing frame rotates to be in a horizontal state around the hinged shaft of the first climbing frame, and then the lower end of the supporting rod is inserted into the clamping groove; at the moment, the upper end of the second climbing frame forms a maintenance platform for operators to stand on, and the moving range of the operators can be expanded through the maintenance platform, so that the operators can more flexibly and conveniently maintain the pipeline at the top of the adsorption tower; and the second climbs the frame, first climbs will form triangle-shaped among the frame and bracing piece three, utilizes triangle-shaped's stability can further strengthen the overall stability of maintenance platform.
The application is further configured to: the second climbing frame is provided with a retreating groove, and the supporting rod comprises a fixed rod and a telescopic rod with one end in threaded connection with the inside of the supporting rod; one end of the fixed rod is hinged in the retreat groove; the storage cavity is provided with a plurality of limiting grooves for inserting the telescopic rods, and the limiting grooves are sequentially arranged at intervals along the length direction of the storage cavity.
By adopting the technical scheme, when the second climbing frame is stored, the telescopic rod is gradually screwed into the fixed rod, then the fixed rod is turned into the retreat groove around the hinge shaft, and the support rod can be stored through the retreat groove; when the height of frame is climbed to the second needs is adjusted, through outwards twisting out the telescopic link from the dead lever in, make the continuous extension of whole length of bracing piece, insert the bracing piece at the spacing inslot that corresponds again, can not only realize climbing the lifting of frame top height to the second through the bracing piece that elongates to also can climb the frame to the second and support, make the second climb more stable firm.
The application is further configured to: and an air cylinder with a piston rod arranged along the sliding direction of the transverse sliding frame is fixedly arranged in the accommodating seat, and the piston rod of the air cylinder is fixedly connected with the transverse sliding frame.
Through adopting above-mentioned technical scheme, horizontal balladeur train one end can move into more smoothly or shift out and hold the seat under the drive of cylinder to make things convenient for operating personnel's operation, saved the manpower.
The application is further configured to: an accommodating groove is formed in the lower side wall of one end, far away from the air cylinder, of the transverse sliding frame, and the accommodating groove is formed in the length direction of the transverse sliding frame; the accommodating groove is internally hinged with a support leg, and the support leg rotates along the vertical direction along a self hinged shaft; and a torsional spring used for rotating the support leg out from the opening at the lower end of the containing groove to a vertical state is arranged on the hinged shaft of the support leg.
By adopting the technical scheme, when the accommodating groove on the transverse sliding frame is completely moved out of the accommodating seat under the driving of the cylinder, the support legs are rotated out of the accommodating groove to be in a vertical state under the action of the torsion spring; the bottom of the supporting foot is contacted with the ground, and the suspended part of the transverse sliding frame moved out of the accommodating seat can be supported by the supporting foot; make operating personnel horizontal balladeur train can remain stable when the climbing, the unsettled part of horizontal balladeur train is difficult for taking place to buckle.
The application is further configured to: a motor with an output shaft vertically inserted into the accommodating cavity is installed in the base, and the output shaft of the motor is fixedly connected with the center of the bottom of the accommodating seat; the bottom of holding the seat is rotated and is installed a plurality of universal wheels that are circumference and encircle arranging.
By adopting the technical scheme, the motor can drive the accommodating seat to rotate around the central shaft of the motor, when pipelines at the tops of the adsorption towers in different directions need to be maintained, the crawling ladder seat in the accommodating seat is rotated to a proper position, and one end of the crawling ladder seat is pushed out of the accommodating seat through the air cylinder, so that an operator can adjust the placing position of the crawling ladder seat; thereby expanding the application range of the climbing ladder seat and facilitating the maintenance of the pipelines at the tops of the adsorption towers at different positions by operators; the motor holds the seat when rotating in the drive, enables the rotation that holds the seat more smooth and easy through installing the universal wheel that holds the seat bottom, has reduced the frictional force that receives when holding the seat and rotating.
To sum up, the beneficial effect of this application is:
1. an operator can smoothly climb to the top of the adsorption tower through the longitudinal ladder climbing frame, so that the pipeline at the top of the adsorption tower is conveniently maintained and connected; after the maintenance work is finished, the longitudinal ladder stand is downwards overturned into the containing cavity around the hinging shaft of the transverse sliding frame, and the transverse sliding frame is pushed into the containing seat again through the air cylinder, so that the ladder stand can be contained, and the whole floor area is reduced;
2. the motor can drive and hold the seat and rotate around self center pin, maintains the pipeline at the adsorption tower top in different position as required, rotates to suitable position through the cat ladder seat that will hold in the seat, and rethread cylinder comes to push out in holding the seat with cat ladder seat one end, and operating personnel just can realize adjusting the locating position of cat ladder seat.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall structure of the ladder stand when the ladder stand is pushed out from the accommodating seat;
FIG. 3 is a schematic view of the overall structure of the ladder stand when the upper end of the ladder stand is formed into a maintenance platform according to the present application;
FIG. 4 is a partial schematic view of the present application highlighting the structure at the bottom foot of the transverse carriage;
FIG. 5 is an exploded view of the present application highlighting a partial structure at the receiving cavity on the cross-carriage;
fig. 6 is a schematic view showing the overall structure of the longitudinal ladder frame highlighted in the present application.
Reference numerals: 1. a base; 11. a motor; 2. a support table; 3. an adsorption tower; 4. a heater; 5. an accommodating chamber; 6. an accommodating seat; 61. a limiting member; 611. a bevel; 62. a spring; 63. a cylinder; 64. a universal wheel; 7. a stair climbing seat; 71. a transverse carriage; 711. a receiving cavity; 712. a limiting groove; 72. a longitudinal ladder rack; 721. an arc slot; 722. a first climbing frame; 723. a second climbing frame; 724. a ratchet wheel; 725. a pawl; 726. a limiting hole; 727. a support bar; 728. a card slot; 729. fixing the rod; 730. a telescopic rod; 73. a withdrawal groove; 74. accommodating grooves; 75. a support leg; 76. a torsion spring.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 2, for the adsorption dryer of the present application discloses a little heat regeneration, including supporting bench 2 and base 1 that are parallel arrangement from top to bottom in proper order, the up end fixed mounting of supporting bench 2 has two to be symmetrical vertical adsorption towers 3 of placing, has heater 4 through the pipe connection between two adsorption towers 3. Base 1 and brace table 2 all are circular and between the two through three support fixed connection that are the even interval of circumference and encircle. Be formed with between base 1 and the brace table 2 and hold chamber 5, the center that holds chamber 5 is installed and is the disk and hold seat 6, holds and has the ladder seat 7 along horizontal direction slidable mounting in the seat 6. The pipeline on the top of the adsorption tower 3 can be conveniently maintained or connected by an operator through the climbing ladder seat 7.
As shown in fig. 1, a motor 11 located at the center of the base 1 is fixedly installed in the base 1, and an output shaft of the motor 11 is inserted into the accommodating cavity 5 along the vertical direction and is fixedly connected with the center of the bottom of the accommodating seat 6. Hold seat 6 and can rotate along the horizontal direction around self center pin under motor 11 drives, the bottom of holding seat 6 is rotated and is installed four universal wheels 64 that evenly encircle the arrangement in circumference, when holding seat 6 and taking place to rotate under motor 11 drives, enables the more smooth and easy of rotation that holds seat 6 through universal wheels 64, has reduced the frictional force that receives when holding seat 6 and rotating.
As shown in fig. 2 and 3, a slide way for the ladder stand 7 to horizontally slide is formed in the center of the accommodating seat 6, and the ladder stand 7 includes a transverse carriage 71 horizontally slidably disposed in the slide way and a longitudinal ladder frame 72 hinged to the transverse carriage 71. The hinge axis of the longitudinal ladder frame 72 and the cross carriage 71 is close to one end of the horizontal outlet of the slide way, and the longitudinal ladder frame 72 rotates in the vertical direction around the hinge axis with the cross carriage 71. And an air cylinder 63 with a piston rod arranged along the sliding direction of the transverse sliding frame 71 is fixedly arranged in the slideway, the air cylinder 63 is positioned on one side of the transverse sliding frame 71, which is far away from the hinged shaft of the longitudinal ladder frame 72, and the piston rod of the air cylinder 63 is fixedly connected with the outer side wall of the transverse sliding frame 71.
As shown in fig. 3 and 4, a lower side wall of one end of the transverse carriage 71 away from the air cylinder 63 is provided with a receiving groove 74 with a downward opening, and the receiving groove 74 is opened along the longitudinal direction of the transverse carriage 71. A rectangular supporting leg 75 is hinged in the accommodating groove 74, the supporting leg 75 is turned into the accommodating groove 74, and the supporting leg 75 is rotated in the vertical direction around a hinge shaft of the supporting leg 75. A torsion spring 76 for rotating one end of the leg 75 out of the opening of the receiving groove 74 to a vertical state is installed on the hinge shaft of the leg 75, one end of the torsion spring 76 is fixedly connected with the hinge shaft of the leg 75, and the other end of the torsion spring 76 is fixedly connected with the inner side wall of the receiving groove 74. When the receiving slot 74 is completely removed from the receiving seat 6 by the driving of the cylinder 63, the end of the leg 75 away from the hinge axis thereof will be rotated out of the receiving slot 74 to the vertical state by the torsion spring 76, and the bottom of the leg 75 will contact the ground, so that the suspended portion of the transverse sliding frame 71 removed from the receiving seat 6 can be supported by the leg 75.
As shown in fig. 4 and 5, rod-shaped stoppers 61 are inserted into the outer side walls of the transverse carriage 71 facing away from each other along the horizontal direction, the stoppers 61 are limited in the transverse carriage 71, one end of each stopper 61 is inserted into the corresponding receiving cavity 711 from the outer side wall of the transverse carriage 71, a circular stopper having a diameter larger than that of the stopper 61 is formed at the other end of each stopper 61, and the stopper is located on the outer side wall of the transverse carriage 71. The limiting members 61 are located obliquely above the hinge shafts of the first climbing frames 722 and the transverse sliding frame 71, and the side walls of the first climbing frames 722 facing away from each other are provided with limiting holes 726 with openings facing the respective limiting members 61. The limiting member 61 is further sleeved with a spring 62 located between the limiting member and the outer side wall of the transverse sliding frame 71, and when the limiting hole 726 on the first climbing frame 722 is rotated to be opposite to the limiting member 61, one end of the limiting member 61 is inserted into the limiting member 61 under the elastic force of the spring 62. The limiting member 61 is provided with an inclined surface 611 in a direction in which the first climbing frame 722 is turned out from the receiving cavity 711, and the inclined surface 611 can help the limiting hole 726 to more smoothly rotate along with the first climbing frame 722 to align with the limiting member 61.
As shown in fig. 5 and 6, the upper end surface of the transverse carriage 71 is formed with a housing chamber 711 opening toward the longitudinal ladder frame 72, and the longitudinal ladder frame 72 includes a first ladder frame 722 having a bottom portion hinged in the housing chamber 711, and a second ladder frame 723 hinged on an upper end of the first ladder frame 722. The second climber 723 rotates in a direction of turning into or out of the accommodation chamber 711 about a hinge shaft with the first climber 722.
As shown in fig. 2 and 6, an arc slot 721 opened toward the adsorption tower 3 is formed on the upper end surface of the second climbing frame 723 away from the first climbing frame 722. When the second climbing frame 723 is obliquely leaned on the outer side wall of the adsorption tower 3, the arc-shaped slot 721 is mutually inserted with the longitudinal outer side wall of the adsorption tower 3, and preliminary limit on the second climbing frame 723 can be realized through the arc-shaped slot 721.
As shown in fig. 5 and 6, coaxial ratchets 724 are fixedly mounted at both ends of the hinge shaft of the second climbing frame 723, and the two ratchets 724 are respectively located on the outer side walls of the first climbing frame 722 which are away from each other. The outer side walls of the first climbers 722 facing away from each other are rotatably provided with pawls 725, one ends of which are inserted into the teeth of the corresponding ratchet wheel 724, and the pawls 725 are used for limiting the second climbers 723 to rotate towards the direction of turning into the receiving cavity 711. The second climbing frame 723 turning out from the receiving cavity 711 to a designated position can be achieved by the cooperation of the ratchet wheel 724 and the pawl 725. The side wall of the second climbing frame 723 facing the first climbing frame 722 is provided with two retreating grooves 73 arranged along the length direction of the second climbing frame 723, and the retreating grooves 73 are symmetrically arranged at two sides of the second climbing frame 723. A support rod 727 is hinged in the retreat groove 73, a hinge shaft between the support rod 727 and the retreat groove 73 is positioned at one end of the retreat groove 73 far away from the first climbing frame 722, and the support rod 727 rotates around the hinge shaft along the vertical direction.
As shown in fig. 5 and 6, the supporting rod 727 includes a fixing rod 729 having an upper end hinged in the retreat groove 73, and an expansion rod 730 having an upper end inserted into the supporting rod 727 by screw coupling. The first climbing frame 722 is provided with two clamping grooves 728 with openings facing the directions of the respective opposite telescopic rods 730, and the lower ends of the telescopic rods 730 are inserted into the clamping grooves 728 and clamped on the first climbing frame 722. When the second climbing frame 723 rotates to a horizontal state around the hinge shaft with the first climbing frame 722, the lower end of the telescopic rod 730 is inserted into the slot 728. At this time, the second climbing frame 723 forms a maintenance platform for the operator to stand on, and the movable range of the operator can be enlarged through the maintenance platform, so that the operator can more flexibly and conveniently maintain the pipeline at the top of the adsorption tower 3. When the longitudinal ladder climbing frame 72 is stored, the support rod 727 is firstly rotated into the retreat groove 73, then the second climbing frame 723 is turned over to the outer side of the first climbing frame 722 in the direction back to the storage cavity 711, so that the second climbing frame 723 and the first climbing frame 722 are mutually folded, and finally the first climbing frame 722 is turned into the storage cavity 711 around the hinged shaft at the lower end, so that the longitudinal ladder climbing frame 72 can be stored.
As shown in fig. 5 and 6, two sets of limiting grooves 712 are formed in the receiving cavity 711, the limiting grooves 712 being sequentially spaced along the rotation path of the support rod 727 opposite to each other, and the number of the limiting grooves 712 in each set is three. And the three limiting grooves 712 are sequentially arranged along the length direction of the receiving cavity 711. Through outwards unscrewing telescopic link 730 from dead lever 729 bottom for the whole length of bracing piece 727 constantly extends, inserts telescopic link 730 lower extreme in corresponding spacing groove 712 again, through stretching the length of bracing piece 727 can not only realize climbing the lifting of frame 723 top height to the second, and can also support frame 723 to the second, make the second climb more stable firm of frame 723.
The specific effects of the embodiment are as follows:
when the pipeline on the top of the adsorption tower 3 needs to be repaired or connected, the climbing seat 7 is pulled out from the accommodating seat 6 through the air cylinder 63, and the longitudinal climbing frame 72 is turned outwards from the accommodating cavity 711 around the hinge shaft with the transverse sliding frame 71. Then the longitudinal ladder climbing frame 72 is obliquely leaned on the outer side wall of the adsorption tower 3, and the arc-shaped slot 721 arranged at the top of the longitudinal ladder climbing frame 72 is inserted into the outer side wall of the adsorption tower 3, so that the longitudinal ladder climbing frame 72 is limited, and the stability of the longitudinal ladder climbing frame 72 is ensured. The operating personnel just can be smooth climbing to the adsorption tower 3 top through vertical ladder climbing frame 72 to the pipeline at adsorption tower 3 top is maintained, is connected to the convenience. After the maintenance work is finished, the longitudinal ladder climbing frame 72 is downwards overturned into the containing cavity 711 around the hinging shaft of the transverse sliding frame 71, and the transverse sliding frame 71 is pushed into the containing seat 6 again, so that the ladder climbing seat 7 can be contained, and the whole occupied area is reduced.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (3)
1. A micro-thermal regeneration adsorption dryer comprises a base (1), wherein a supporting table (2) which is arranged in parallel is arranged above the base (1); the support table (2) is provided with adsorption towers (3), and heaters (4) are connected among the adsorption towers (3) through pipelines; the method is characterized in that: an accommodating cavity (5) is formed between the base (1) and the supporting platform (2), an accommodating seat (6) is arranged in the accommodating cavity (5), and a stair climbing seat (7) is arranged in the accommodating seat (6); the climbing seat (7) comprises a transverse sliding frame (71) and a longitudinal climbing frame (72) hinged to one end, close to the opening of the accommodating seat (6), of the transverse sliding frame (71); the transverse sliding frame (71) is arranged in the accommodating seat (6) in a sliding mode along the horizontal direction, and the longitudinal ladder climbing frame (72) rotates along the vertical direction around a hinge shaft with the transverse sliding frame (71); an arc-shaped slot (721) is formed at one end of the longitudinal ladder climbing frame (72) far away from a self hinged shaft, and the arc-shaped slot (721) is mutually inserted with the longitudinal outer side wall of the adsorption tower (3); a receiving cavity (711) with an opening facing the longitudinal climbing frame (72) is formed on the transverse sliding frame (71), and the longitudinal climbing frame (72) is hinged in the receiving cavity (711); an air cylinder (63) with a piston rod arranged along the sliding direction of the transverse sliding frame (71) is fixedly installed in the accommodating seat (6), and the piston rod of the air cylinder (63) is fixedly connected with the transverse sliding frame (71); a motor (11) with an output shaft vertically inserted into the accommodating cavity (5) is installed in the base (1), and the output shaft of the motor (11) is fixedly connected with the center of the bottom of the accommodating seat (6); a plurality of universal wheels (64) which are circumferentially arranged in a surrounding manner are rotatably arranged at the bottom of the accommodating seat (6); the longitudinal ladder frame (72) comprises a first climbing frame (722) with a bottom hinged in the containing cavity (711), and a second climbing frame (723) hinged at the upper end of the first climbing frame (722); the second climbing frame (723) rotates around a hinge shaft of the first climbing frame (722) along the direction of turning into or out of the containing cavity (711), a coaxial ratchet wheel (724) is fixedly installed on the hinge shaft of the second climbing frame (723), a pawl (725) with one end inserted into the ratchet wheel (724) is arranged on the first climbing frame (722), and the pawl (725) is used for limiting the second climbing frame (723) to rotate towards the direction of turning into the containing cavity (711); the side wall of the second climbing frame (723) facing the first climbing frame (722) is hinged with a support rod (727), and the support rod (727) rotates around a hinge shaft in the vertical direction; a clamping groove (728) with an opening facing the supporting rod (727) is formed in the first climbing frame (722); the second climbing frame (723) is provided with a back-off groove (73), and the support rod (727) comprises a fixed rod (729) and a telescopic rod (730) with one end in threaded connection with the support rod (727); one end of the fixed rod (729) is hinged in the retreat groove (73); the accommodating cavity (711) is provided with a plurality of limiting grooves (712) for inserting the telescopic rods (730), and the limiting grooves (712) are sequentially arranged at intervals along the length direction of the accommodating cavity (711).
2. The micro-thermal regenerative adsorption dryer of claim 1, wherein: a limiting piece (61) is movably inserted into the transverse sliding frame (71) along the horizontal direction, one end of the limiting piece (61) is inserted into the containing cavity (711) from the outer side wall of the transverse sliding frame (71), and the other end of the limiting piece (61) is positioned on the outer side wall of the transverse sliding frame (71); the limiting piece (61) is close to one side of a hinge shaft of the first climbing frame (722) and the transverse sliding frame (71), and an inclined surface (611) is arranged on one side, facing the first climbing frame (722), of the limiting piece (61); the side wall of the first climbing frame (722) is provided with a limiting hole (726) with an opening facing the limiting piece (61), and the limiting piece (61) is further sleeved with a spring (62) used for tightly inserting one end of the limiting piece (61) into the limiting hole (726).
3. The micro-thermal regenerative adsorption dryer of claim 1, wherein: an accommodating groove (74) is formed in the lower side wall of one end, away from the air cylinder (63), of the transverse sliding frame (71), and the accommodating groove (74) is arranged along the length direction of the transverse sliding frame (71); a supporting leg (75) is hinged in the accommodating groove (74), and the supporting leg (75) rotates along the vertical direction along the hinge shaft of the supporting leg; a torsion spring (76) for rotating the support leg (75) out of the lower end opening of the accommodating groove (74) to a vertical state is arranged on a hinged shaft of the support leg (75).
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| CN202010714200.9A CN111841267B (en) | 2020-07-22 | 2020-07-22 | Micro-thermal regeneration adsorption dryer |
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| CN113818645B (en) * | 2021-10-19 | 2022-11-22 | 上海翰创规划建筑设计有限公司 | Folding stair |
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| CN111841267A (en) | 2020-10-30 |
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