Nitrous oxide purification device

Abstract

The utility model discloses a nitrous oxide purification device which comprises a bottom frame, a purification frame, an adsorbent, an air inlet pipe and an exhaust pipe, the purification frame is installed on the top of the bottom frame, the adsorbent is located in the purification frame, the air inlet pipe is installed on the purification frame, the exhaust pipe is installed on the side wall of the bottom frame, and the nitrous oxide purification device further comprises a material changing assembly. And the material changing assembly is used for returning the adsorbent. Under the action of the material changing assembly, the saturated adsorbent can be automatically pushed out and automatically returned, so that the adsorbent can be conveniently replaced by a new adsorbent, the adsorbent does not need to be manually cleaned, and the trouble of manually cleaning the adsorbent is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field of nitrogen monoxide purification, specifically relates to a nitrogen monoxide purification device. BACKGROUND

[0002] Nitrogen monoxide, chemical formula is N2O, also called nitrogen monoxide, laughing gas, it has wide application in many fields, including medical, industrial and food industry etc. In the medical field, nitrogen monoxide is usually used as anesthetic, nitrogen monoxide needs to be purified before use, so as to improve the purity of product, so that the existence of impurities can influence the anesthetic effect, even cause adverse reaction.

[0003] At present, when the existing purification device replaces adsorbent, needs to disassemble adsorption tower, then uses glove and protective eye to manually remove adsorbent, in this way, operation is more troublesome, and close contact with adsorption nitrogen monoxide adsorbent, easy to cause artificial to inhale nitrogen monoxide due to accident, there is certain security risk, and after removing adsorbent, still need to manually clean adsorption tower, operation is more troublesome. UTILITY MODEL CONTENT

[0004] The utility model solves the problem that: provide a kind of nitrogen monoxide purification device, the utility model under the action of replacement component, saturated adsorbent can be automatically pushed out, and automatic material is withdrawn, to replace new adsorbent, in this way, manual cleaning adsorbent is reduced, and the trouble of artificial cleaning adsorbent is reduced.

[0005] The utility model provides technical scheme for solving the above problem: a kind of nitrogen monoxide purification device, including bottom frame, purification frame, adsorbent, intake pipe and exhaust pipe, the purification frame is installed in the top of the bottom frame, the adsorbent is located in the purification frame, the intake pipe is installed on the purification frame, the exhaust pipe is installed on the side wall of the bottom frame, still include replacement component, the replacement component is used to material is withdrawn to adsorbent.

[0006] More preferably, the purification frame is conical, the purification frame is double-layer structure, the inner layer of the purification frame is provided with uniformly distributed filter holes, and the lower part of the outer layer of the purification frame is provided with uniformly distributed filter holes.

[0007] More preferably, the replacement component includes a plurality of multi-stage air cylinders and a telescopic push plate, the plurality of multi-stage air cylinders are fixedly connected to the purification frame, the telescopic push plate is hingedly connected between the telescopic ends of the plurality of multi-stage air cylinders, and the telescopic push plate is located in the partition layer of the purification frame.

[0008] More preferably, the telescopic push plate is annular.

[0009] More preferably, the purification frame further comprises a closing assembly for closing the partition of the purification frame.

[0010] More preferably, the closing assembly comprises a plurality of closing plates, a plurality of springs and a plurality of moving blocks, the plurality of closing plates are hinged to the purification frame, the plurality of springs are connected to adjacent closing plates, the plurality of moving blocks are slidingly connected to adjacent closing plates, and the moving blocks are fixedly connected to adjacent springs.

[0011] Compared with the prior art, the utility model has the advantages that under the action of the material replacing assembly, the saturated adsorbent can be automatically pushed out, the inner wall of the partition of the purification frame can be automatically cleaned while the automatic material returning is carried out, so that the new adsorbent is conveniently replaced, and thus manual cleaning of the adsorbent is not needed, and the trouble of manual cleaning of the adsorbent is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the utility model and are provided to explain the utility model and are not intended to limit the utility model.

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 2 It is a sectional three-dimensional structure schematic view of the utility model.

[0015] Figure 3 It is a sectional three-dimensional structure schematic view of the purification frame of the utility model.

[0016] Figure 4 It is a three-dimensional structure schematic view of the fixed ring, the multi-stage cylinder and the telescopic pushing plate of the utility model.

[0017] Figure 5 It is a sectional three-dimensional structure schematic view of the fixed ring of the utility model.

[0018] Figure 6 It is a three-dimensional structure schematic view of the telescopic pushing plate of the utility model in the unfolded state.

[0019] Figure 7 It is a three-dimensional structure schematic view of the telescopic pushing plate of the utility model in the folded state.

[0020] Drawing reference: 1, bottom frame; 2, purification frame; 3, adsorbent; 4, filter hole; 5, fixed ring; 6, multi-stage cylinder; 7, telescopic pushing plate; 8, closing plate; 9, spring; 10, moving block; 11, air inlet pipe; 12, exhaust pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. In the description of the utility model, it should be explained that the terms "first", "second" and the like are only for the purpose of description and do not mean to particularly indicate the order or sequence, nor to limit the utility model, which are merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the terms "comprise", and any variations thereof in the description of the utility model and the claims, are intended to cover the non-exclusive inclusion.

[0022] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mount", "connect", "connection", "set" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In addition, in the description of the utility model, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0024] Embodiment 1: As shown in the drawings, a nitrogen monoxide purification device, comprising a bottom frame 1, a purification frame 2, an adsorbent 3, an air inlet pipe 11 and an air outlet pipe 12, the purification frame 2 is installed on the top of the bottom frame 1, the adsorbent 3 is located in the purification frame 2, the air inlet pipe 11 is installed on the purification frame 2, the air outlet pipe 12 is installed on the side wall of the bottom frame 1, further comprising a material replacement assembly, the material replacement assembly is used for discharging the adsorbent 3.

[0025] It should be noted that the purification frame 2 is conical, the inner bottom of the purification frame 2 is also conical, the purification frame 2 is double-layer structure, the inner layer of the purification frame 2 is provided with uniformly distributed filter holes 4, the outer layer of the purification frame 2 is provided with uniformly distributed filter holes 4 at the lower part, the nitrogen monoxide to be purified is poured into the purification frame 2, and the adsorbent 3 in the partition layer of the purification frame 2 purifies the nitrogen monoxide.

[0026] In the embodiment, specifically, the material replacing assembly comprises a plurality of multi-stage air cylinders 6 and a telescopic pushing plate 7, the plurality of multi-stage air cylinders 6 are fixedly connected in the purification frame 2, the telescopic pushing plate 7 is rotatably connected between the telescopic ends of the plurality of multi-stage air cylinders 6, and the telescopic pushing plate 7 is located in the partition layer of the purification frame 2. The telescopic pushing plate 7 is annular. Further, a closing assembly is further included, and the closing assembly is used for closing the partition layer of the purification frame 2. Specifically, the closing assembly comprises a plurality of closing plates 8, a plurality of springs 9 and a plurality of moving blocks 10, the plurality of closing plates 8 are hingedly connected to the purification frame 2, the plurality of springs 9 are connected to adjacent closing plates 8, the plurality of moving blocks 10 are slidably connected to adjacent closing plates 8, and the moving blocks 10 are fixedly connected to adjacent springs 9.

[0027] In the above technical solution, the closing plate 8 is first opened, the adsorbent 3 is loaded into the partition layer of the purification frame 2, then the closing plate 8 is closed, then the dinitrogen oxide to be purified is introduced into the purification frame 2 through the air inlet pipe, the dinitrogen oxide contacts the adsorbent 3 through the filter holes 4, the adsorbent 3 purifies the dinitrogen oxide, the purified dinitrogen oxide enters the bottom frame 1, and then is discharged to an external container through the air outlet pipe for storage. Since the filter holes in the inner wall of the purification frame 2 are more than the filter holes 4 in the outer wall of the purification frame 2, a large amount of dinitrogen oxide can be introduced into the purification frame 2, thereby accelerating the purification speed of the dinitrogen oxide and improving the work efficiency. When the adsorbent 3 reaches the saturation state, the multi-stage air cylinder 6 is started, the telescopic end of the multi-stage air cylinder 6 is elongated, the telescopic pushing plate 7 is driven to move upward, the telescopic pushing plate 7 is expanded by the purification frame 2, the telescopic pushing plate 7 can adaptively deform along the shape of the purification frame 2, the telescopic pushing plate 7 can tightly adhere to the inner wall of the partition layer of the purification frame 2, the telescopic pushing plate 7 can clean the inner wall of the partition layer of the purification frame 2 while pushing the material, subsequent cleaning is not required, the trouble is reduced, the efficiency is improved, the adsorbent 3 is further pushed to move upward, the adsorbent 3 drives the closing plate 8 to rotate and open, then the telescopic pushing plate 7 pushes the adsorbent 3 out of the partition layer of the purification frame 2, thereby achieving the purpose of automatic material withdrawal without manual material withdrawal, the operation trouble of manual material withdrawal is reduced, then the telescopic end of the multi-stage air cylinder 6 is controlled to contract, the telescopic pushing plate 7 is driven to move downward and reset, the telescopic pushing plate 7 is reset, after the end, the air cylinder 6 is closed, and then the new adsorbent 3 is replaced into the partition layer of the purification frame 2.

[0028] The above only describes the best embodiment of the present application, but cannot be understood as a limitation on the claims. The present application is not limited to the above embodiments, and the specific structure can be changed. Any change made within the protection scope of the independent claim of the present application is within the protection scope of the present application.

Claims

1. A nitrogen monoxide purification device, comprising a bottom frame (1), a purification frame (2), an adsorbent (3), an air inlet pipe (11) and an air outlet pipe (12), wherein the purification frame (2) is installed on the top of the bottom frame (1), the adsorbent (3) is located in the purification frame (2), the air inlet pipe (11) is installed on the purification frame (2), and the air outlet pipe (12) is installed on the side wall of the bottom frame (1), characterized in that, Also include a refueling assembly for the adsorbent (3) to be withdrawn.

2. A nitrogen oxide purification device according to claim 1, characterized in that The purification frame (2) is conical, the purification frame (2) is a double-layer structure, the inner layer of the purification frame (2) is provided with uniformly distributed filter holes (4), and the outer layer of the purification frame (2) is provided with uniformly distributed filter holes (4) at the lower part.

3. A nitrogen oxide purification device according to claim 1, characterized in that The refueling assembly includes a plurality of multi-stage air cylinders (6) and a telescopic pushing plate (7), the plurality of multi-stage air cylinders (6) are fixedly connected to the purification frame (2), the telescopic pushing plate (7) is hingedly connected between the telescopic ends of the plurality of multi-stage air cylinders (6), and the telescopic pushing plate (7) is located in the partition layer of the purification frame (2).

4. A nitrogen oxide purification device according to claim 3, characterized in that The telescopic pushing plate (7) is annular.

5. A nitrogen oxide purification device according to claim 4, characterized in that Also include a closing assembly for closing the partition layer of the purification frame (2).

6. A nitrogen oxide purification device according to claim 5, characterized in that The closing assembly includes a plurality of closing plates (8), a plurality of springs (9) and a plurality of moving blocks (10), the plurality of closing plates (8) are hingedly connected to the purification frame (2), the plurality of springs (9) are connected to adjacent closing plates (8), the plurality of moving blocks (10) are slidingly connected to adjacent closing plates (8), and the moving blocks (10) are fixedly connected with adjacent springs (9).

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