CN215782561U - Molecular sieve pressing device applied to pressure swing adsorption nitrogen making machine - Google Patents
Molecular sieve pressing device applied to pressure swing adsorption nitrogen making machine Download PDFInfo
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- CN215782561U CN215782561U CN202121951714.2U CN202121951714U CN215782561U CN 215782561 U CN215782561 U CN 215782561U CN 202121951714 U CN202121951714 U CN 202121951714U CN 215782561 U CN215782561 U CN 215782561U
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Abstract
A molecular sieve pressing device applied to a pressure swing adsorption nitrogen making machine comprises an upper pressing frame and a lower pressing frame which are correspondingly arranged up and down, wherein a guide mechanism and a pressing mechanism are arranged between the upper pressing frame and the lower pressing frame; the guide mechanism comprises oilless bushings arranged on the upper pressing frame and the lower pressing frame and a guide shaft arranged in the oilless bushings; hold-down mechanism is including locating go up the pressure frame and establish screw sleeve on the frame and locate the trapezoidal lead screw in the screw sleeve down, the one end of trapezoidal lead screw is equipped with hand wheel. According to the molecular sieve compressing device applied to the pressure swing adsorption nitrogen making machine, the upper pressing frame and the lower pressing frame are extruded towards the middle by the compressing mechanism, so that the molecular sieve is pressed tightly, the molecular sieve pulverization caused by the infirm installation of the molecular sieve is avoided, and the service life of the molecular sieve is prolonged; the molecular sieve closing device that this application provided adopts the demountable installation mode between the adsorption tower, consequently can realize that the tower of molecular sieve is filled outward, and it is more convenient to fill, and efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of air separation, in particular to a molecular sieve compressing device applied to a pressure swing adsorption nitrogen making machine.
Background
A nitrogen making machine is a nitrogen making machine which is designed and manufactured according to the pressure swing adsorption technology, uses a high-quality inlet Carbon Molecular Sieve (CMS) as an adsorbent, adopts the pressure swing adsorption Principle (PSA) to separate air at normal temperature to prepare high-purity nitrogen, usually uses two adsorption towers in parallel connection, controls an inlet pneumatic valve to automatically operate by an inlet PLC, alternately performs pressure adsorption and decompression regeneration, completes nitrogen-oxygen separation, and obtains the required high-purity nitrogen.
High-pressure air directly gets into from the bottom of nitrogen generator in the current nitrogen generator, and the high-pressure air speed in the twinkling of an eye that gets into is great, if the installation of the molecular sieve in the nitrogen generator is not firm, can cause its destruction, leads to some molecular sieves by the powderization, reduces molecular sieve's result of use and life-span. The traditional scheme of filling molecular sieves is usually carried out in a tower, and has the defects of inconvenient operation and unsatisfactory filling effect due to narrow space.
Therefore, in order to overcome the defects of the prior art, a molecular sieve compressing device applied to a pressure swing adsorption nitrogen making machine needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a molecular sieve compressing device applied to a pressure swing adsorption nitrogen making machine.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a molecular sieve compressing device applied to a pressure swing adsorption nitrogen making machine comprises an upper pressing frame and a lower pressing frame which are correspondingly arranged up and down, wherein a guide mechanism and a compressing mechanism are arranged between the upper pressing frame and the lower pressing frame; the guide mechanism comprises oilless bushings arranged on the upper pressing frame and the lower pressing frame and a guide shaft arranged in the oilless bushings; the pressing mechanism comprises an upper pressing frame, a lower pressing frame, a threaded sleeve and a trapezoidal lead screw, wherein the threaded sleeve is arranged on the upper pressing frame, the trapezoidal lead screw is arranged in the threaded sleeve, and a hand-cranking wheel is arranged at one end of the trapezoidal lead screw.
The preferable technical scheme is as follows: an upper pressing sieve plate is arranged on the bottom side of the upper pressing frame, a through hole for the guide shaft and the trapezoidal screw rod to pass through is formed in the upper pressing sieve plate, and the upper pressing sieve plate is connected with the upper pressing frame through an upper elastic piece; the top side of the lower pressing frame is provided with a lower pressing sieve plate, the lower pressing sieve plate is provided with a through hole for the guide shaft and the trapezoidal screw rod to pass through, and the lower pressing sieve plate is connected with the lower pressing frame through a lower elastic piece.
The preferable technical scheme is as follows: the upper elastic part and the lower elastic part are both springs.
The preferable technical scheme is as follows: the two ends of the guide shaft are provided with limiting parts.
The preferable technical scheme is as follows: the molecular sieve pressing device is arranged in the adsorption tower, and the bottom end of the guide shaft and the adsorption tower are detachably mounted.
Due to the application of the technical scheme, the utility model has the beneficial effects that:
according to the molecular sieve compressing device applied to the pressure swing adsorption nitrogen making machine, the upper pressing frame and the lower pressing frame are extruded towards the middle by the compressing mechanism, so that the molecular sieve is pressed tightly, the molecular sieve pulverization caused by the infirm installation of the molecular sieve is avoided, and the service life of the molecular sieve is prolonged; and, adopt demountable installation mode between molecular sieve closing device that this application provided and the adsorption tower, can realize that the molecular sieve tower loads outward, fill space in the relative tower is wider, more conveniently loads, and packing efficiency is fast, and is effectual.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the above drawings, 1, an upper pressing frame; 2. pressing the frame downwards; 3. a guide shaft; 4. a hand-operated wheel; 5. an upper pressing sieve plate; 6. pressing the sieve plate downwards; 7. trapezoidal lead screw.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1, the molecular sieve compressing device applied to the pressure swing adsorption nitrogen generator provided by the utility model comprises an upper pressure frame 1 and a lower pressure frame 2 which are arranged up and down correspondingly, and a guide mechanism and a compressing mechanism are arranged between the upper pressure frame 1 and the lower pressure frame 2.
The guide mechanism comprises oilless bushes (not shown) arranged on the upper pressure frame 1 and the lower pressure frame 2 and a guide shaft 3 arranged in the oilless bushes, and two ends of the guide shaft 3 are provided with limiting parts to prevent the guide shaft from sliding out of the oilless bushes; the pressing mechanism comprises threaded sleeves (not marked) arranged on the upper pressing frame 1 and the lower pressing frame 2 and a trapezoidal screw rod 7 arranged in the threaded sleeves, and one end of the trapezoidal screw rod 7 is provided with a hand-operated wheel 4. The upper pressing frame 1 and the lower pressing frame 2 are simultaneously folded towards the middle along the guide shaft 3 by rotating the hand-operated wheel 4 so as to tightly press the molecular sieve arranged between the upper pressing frame 1 and the lower pressing frame 2.
Furthermore, an upper pressing sieve plate 5 is arranged on the bottom side of the upper pressing frame 1, and the upper pressing sieve plate 5 is connected with the upper pressing frame 1 through an upper elastic part (spring); the top side of the lower pressing frame 2 is provided with a lower pressing sieve plate 6, and the lower pressing sieve plate 6 is connected with the lower pressing frame 2 through a lower elastic part (spring) so as to improve the extrusion effect on the molecular sieve. And the upper pressing sieve plate 5 and the lower pressing sieve plate 6 are both provided with through holes for the guide shaft 3 and the trapezoidal screw rod 7 to pass through.
Further, during molecular sieve closing device located the adsorption tower, the bottom of guiding axle 3 was equipped with the screw, fixed plate and the bolt demountable installation (not drawn) that set up in the cooperation adsorption tower. By adopting the structure, the molecular sieve pressing device can be filled outside the tower, the filling is more convenient, and the efficiency is higher.
Therefore, the utility model has the following advantages:
according to the molecular sieve compressing device applied to the pressure swing adsorption nitrogen making machine, the upper pressing frame and the lower pressing frame are extruded towards the middle by the compressing mechanism, so that the molecular sieve is pressed tightly, the molecular sieve pulverization caused by the infirm installation of the molecular sieve is avoided, and the service life of the molecular sieve is prolonged; and, adopt demountable installation mode between molecular sieve closing device that this application provided and the adsorption tower, can realize that the molecular sieve tower loads outward, fill space in the relative tower is wider, more conveniently loads, and packing efficiency is fast, and is effectual.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a be applied to molecular sieve closing device in pressure swing adsorption nitrogen generator which characterized in that: the molecular sieve pressing device comprises an upper pressing frame and a lower pressing frame which are correspondingly arranged up and down, and a guide mechanism and a pressing mechanism are arranged between the upper pressing frame and the lower pressing frame; the guide mechanism comprises oilless bushings arranged on the upper pressing frame and the lower pressing frame and a guide shaft arranged in the oilless bushings; the pressing mechanism comprises an upper pressing frame, a lower pressing frame, a threaded sleeve and a trapezoidal lead screw, wherein the threaded sleeve is arranged on the upper pressing frame, the trapezoidal lead screw is arranged in the threaded sleeve, and a hand-cranking wheel is arranged at one end of the trapezoidal lead screw.
2. The molecular sieve compacting device applied to the pressure swing adsorption nitrogen making machine according to claim 1, wherein: an upper pressing sieve plate is arranged on the bottom side of the upper pressing frame, a through hole for the guide shaft and the trapezoidal screw rod to pass through is formed in the upper pressing sieve plate, and the upper pressing sieve plate is connected with the upper pressing frame through an upper elastic piece; the top side of the lower pressing frame is provided with a lower pressing sieve plate, the lower pressing sieve plate is provided with a through hole for the guide shaft and the trapezoidal screw rod to pass through, and the lower pressing sieve plate is connected with the lower pressing frame through a lower elastic piece.
3. The molecular sieve compacting device applied to the pressure swing adsorption nitrogen making machine according to claim 2, characterized in that: the upper elastic part and the lower elastic part are both springs.
4. The molecular sieve compacting device applied to the pressure swing adsorption nitrogen making machine according to claim 1, wherein: the two ends of the guide shaft are provided with limiting parts.
5. The molecular sieve compacting device applied to the pressure swing adsorption nitrogen making machine according to claim 1, wherein: the molecular sieve pressing device is arranged in the adsorption tower, and the bottom end of the guide shaft and the adsorption tower are detachably mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951714.2U CN215782561U (en) | 2021-08-19 | 2021-08-19 | Molecular sieve pressing device applied to pressure swing adsorption nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951714.2U CN215782561U (en) | 2021-08-19 | 2021-08-19 | Molecular sieve pressing device applied to pressure swing adsorption nitrogen making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215782561U true CN215782561U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121951714.2U Active CN215782561U (en) | 2021-08-19 | 2021-08-19 | Molecular sieve pressing device applied to pressure swing adsorption nitrogen making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215782561U (en) |
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2021
- 2021-08-19 CN CN202121951714.2U patent/CN215782561U/en active Active
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