Isopropanol purification device

By designing an isopropanol purification device, and using activated carbon filtration and distillation condensation technology, the waste liquid after semiconductor processing and electronic component cleaning is purified multiple times, solving the problem of low waste liquid utilization and achieving efficient resource reuse.

CN222312747UActive Publication Date: 2025-01-07YANTAI FAR EAST FINE CHEM CO LTD
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Patent Information

Application Number
CN202420752835.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-01-07
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The waste liquid generated by isopropyl alcohol cleaning semiconductor processing and electronic components is low.

Method used

A isopropanol purification device is designed, including a first filter box, a storage box, a first distillation box, a first condenser, a second distillation box, a second condenser and a collection tube, through activated carbon filtration, distillation and condensation process Purify the waste liquid multiple times to improve the utilization rate of the waste liquid.

Benefits of technology

The utilization rate of waste liquid after isopropanol cleaning is significantly improved, and efficient purification and resource reuse is achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an isopropanol purification device and relates to the technical field of isopropanol production. The isopropanol purification device comprises a box body and a purification mechanism, the purification mechanism comprises a first filter box, a storage box, a first distillation box, a first condensation piece, a second distillation box, a second condensation piece and a collection pipe; the first filter box is fixedly connected with the box body; the first filter box is provided with an activated carbon filter plate, and the activated carbon filter plate is detachably connected with the first filter box; the storage box is fixedly connected with the inner wall of the box body; the first distillation box is fixedly connected with the inner wall of the box body and is communicated with the storage box; the first condensation part is fixedly connected with the inner wall of the box body; the second distillation box is fixedly connected with the inner wall of the box body; the second condensation piece is fixedly connected with the inner wall of the box body; the collecting pipe is connected with the second condensation piece. The isopropanol purification device solves the technical problem that the utilization rate of waste liquid generated after semiconductor processing and electronic elements are cleaned with isopropanol is low.
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Description

Technical Field

[0001] The utility model relates to the technical field of isopropanol production, in particular to an isopropanol purification device. Background Art

[0002] Isopropyl alcohol (IPA), also known as 2-propanol, is an organic compound with the chemical formula C3H8O. It is an isomer of n-propanol, a colorless, transparent liquid with an odor similar to a mixture of ethanol and acetone.

[0003] Isopropyl alcohol has good solubility and decontamination ability, and can effectively remove impurities such as grease and dirt. It is usually used in semiconductor processing and electronic component cleaning. After isopropyl alcohol is used to clean electronic components, the waste liquid generated is usually removed by activated carbon adsorption. This method is simple to operate, but the utilization rate of the waste liquid is low.

[0004] The inventors have found at least the following problems in the process of implementing this embodiment:

[0005] The utilization rate of waste liquid generated by using isopropyl alcohol to clean semiconductor processing and electronic components is low. Utility Model Content

[0006] The utility model aims to provide an isopropanol purification device, which solves the technical problem of low utilization rate of waste liquid generated after isopropanol is used to clean semiconductor processing and electronic components.

[0007] Utility model solution:

[0008] The utility model provides an isopropanol purification device, comprising: a box body and a purification mechanism; the purification mechanism comprises a first filter box, a storage box, a first distillation box, a first condensation piece, a second distillation box, a second condensation piece and a collecting pipe; the first filter box is fixedly connected to the box body, and its input end is arranged above the top of the box body; the first filter box is provided with an activated carbon filter plate, and the activated carbon filter plate is detachably connected to the first filter box; the storage box is fixedly connected to the inner wall of the box body, and is communicated with the first filter box; the first distillation box is fixedly connected to the inner wall of the box body, and is communicated with the storage box; the first condensation piece is fixedly connected to the inner wall of the box body, and is communicated with the first distillation box; the second distillation box is fixedly connected to the inner wall of the box body, and is communicated with the first condensation piece; the second condensation piece is fixedly connected to the inner wall of the box body, and is communicated with the second distillation box; the collecting pipe is connected to the second condensation piece, and its output end is arranged outside the box body.

[0009] Furthermore, the first filter box is provided with a limit plate; the activated carbon filter plate is arranged at a downwardly inclined angle; the limit plate is used to make the isopropyl alcohol waste liquid fall from above the high end of the activated carbon filter plate.

[0010] Furthermore, a limit block is provided in the first filter box, and the limit block abuts against the activated carbon filter plate; and the activated carbon filter plate is provided with a handle.

[0011] Furthermore, a valve is provided between the storage tank and the first distillation tank.

[0012] Furthermore, the box body is provided with a switch door.

[0013] Furthermore, the box body is provided with a receiving seat, and the receiving seat is provided with a receiving groove and a plurality of receiving bottle installation grooves.

[0014] Furthermore, a pulley is provided at the bottom of the box.

[0015] Beneficial effects:

[0016] The utility model provides an isopropyl alcohol purification device. When in use, after using isopropyl alcohol to clean the semiconductor, the waste liquid is poured into a first filter box, and the activated carbon first filters the impurities in the waste liquid to remove metal ions, and then the waste liquid enters the storage box. When the waste liquid rises to a certain position in the storage box, the waste liquid flows from the storage box into a first distillation box, and the first distillation box heats the waste liquid for the first distillation, and then the isopropyl alcohol purified for the first time enters a condenser, and the isopropyl alcohol in the condenser enters a second distillation box, and the second distillation box purifies the isopropyl alcohol for the second time, and the purified isopropyl alcohol flows out from the collection pipe, and the staff can collect it with a collection bottle. This isopropyl alcohol purification device has a high utilization rate of waste liquid generated after isopropyl alcohol is used to clean semiconductor processing and electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of the isopropanol purification device provided in this embodiment;

[0019] Figure 2 A schematic diagram of the structure of the isopropanol purification device provided in this embodiment;

[0020] Figure 3A schematic diagram of the structure of the isopropanol purification device provided in this embodiment;

[0021] Figure 4 This is a schematic diagram of the structure of the isopropanol purification device provided in this embodiment.

[0022] icon:

[0023] 100-box; 110-opening and closing door; 120-receiving seat; 121-receiving groove; 122-installing groove; 130-pulley;

[0024] 200-purification mechanism; 210-first filter box; 211-activated carbon filter plate; 2111-handle; 212-limiting plate; 213-limiting block; 220-storage box; 230-first distillation box; 231-valve; 240-first condensation element; 250-second distillation box; 260-second condensation element; 270-collection pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly tilted. In the description of the utility model, it should be noted that unless otherwise clearly stipulated and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0030] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] This embodiment provides an isopropanol purification device, please refer to Figure 1-4As shown, it includes: a box body 100 and a purification mechanism 200; the purification mechanism 200 includes a first filter box 210, a storage box 220, a first distillation box 230, a first condensation member 240, a second distillation box 250, a second condensation member 260 and a collecting pipe 270; the first filter box 210 is fixedly connected to the box body 100, and its input end is arranged above the top of the box body 100; the first filter box 210 is provided with an activated carbon filter plate 211, and the activated carbon filter plate 211 is detachably connected to the first filter box 210; the storage box 220 is fixedly connected to the inner wall of the box body 100, And it is communicated with the first filter box 210; the first distillation box 230 is fixedly connected to the inner wall of the box body 100, and it is communicated with the storage box 220; the first condensation piece 240 is fixedly connected to the inner wall of the box body 100, and it is communicated with the first distillation box 230; the second distillation box 250 is fixedly connected to the inner wall of the box body 100, and it is communicated with the first condensation piece 240; the second condensation piece 260 is fixedly connected to the inner wall of the box body 100, and it is communicated with the second distillation box 250; the collecting pipe 270 is connected to the second condensation piece 260, and its output end is arranged outside the box body 100.

[0032] Specifically, the box body 100 is welded with steel plates and is used to provide an installation position for the purification mechanism 200; the purification mechanism 200 is used to filter impurities in the isopropyl alcohol waste liquid, the first filter box 210 and the activated carbon filter plate 211 are used to adsorb metal ions in the isopropyl alcohol waste liquid, the first storage box 220 is used to store waste liquid, and can continuously receive the filtered isopropyl alcohol waste liquid from the first filter box 210, the first distillation box 230 and the first condensation element 240 are used to perform the first distillation and purification of the isopropyl alcohol waste liquid, the second distillation box 250 and the second condensation element 260 perform the second distillation and purification of the isopropyl alcohol waste liquid, and the collecting pipe 270 is used to discharge the isopropyl alcohol in the second condensation element 260. When in use, after the semiconductor is cleaned with isopropyl alcohol, the waste liquid is poured into the first filter box 210, and the activated carbon first filters the impurities in the waste liquid to remove metal ions, and then the waste liquid enters the storage box 220. When the waste liquid rises to a certain position in the storage box 220, the waste liquid flows from the storage box 220 into the first distillation box 230, and the first distillation box 230 heats the waste liquid for the first distillation, and then the isopropyl alcohol purified for the first time enters the condenser, and the isopropyl alcohol in the condenser enters the second distillation box 250, and the second distillation box 250 purifies the isopropyl alcohol for the second time, and the purified isopropyl alcohol flows out from the collection tube 270, and the staff can collect it with a collection bottle.

[0033] In this embodiment, the first filter box 210 is provided with a limiting plate 212 ; the activated carbon filter plate 211 is arranged at a downwardly inclined angle; the limiting plate 212 is used to make the isopropyl alcohol waste liquid fall from above the high end of the activated carbon filter plate 211 .

[0034] Specifically, the limiting plate 212 is used to limit the flow direction of the isopropyl alcohol waste liquid, so that the isopropyl alcohol waste liquid falls from a higher position of the activated carbon filter plate 211. The activated carbon filter plate 211 is set at a downward tilt angle, which can make the contact area between the isopropyl alcohol waste liquid and the activated carbon filter plate 211 larger.

[0035] In this embodiment, a limiting block 213 is provided in the first filter box 210 , and the limiting block 213 abuts against the activated carbon filter plate 211 ; the activated carbon filter plate 211 is provided with a handle 2111 .

[0036] Specifically, the setting of the limit block 213 is used to limit the position of the activated carbon filter plate 211 in the first filter box 210 , and the setting of the handle 2111 can facilitate taking out or putting in the activated carbon filter plate 211 in the first filter box 210 .

[0037] In this embodiment, a valve 231 is provided between the storage tank 220 and the first distillation tank 230 .

[0038] Specifically, after valve 231 is closed, more isopropyl alcohol waste water can be stored in storage tank 220, and the first distillation tank 230 and the second distillation tank 250 do not need to work continuously. After storage tank 220 is full of isopropyl alcohol waste liquid, valve 231 is opened to ensure that there is sufficient isopropyl alcohol waste liquid in the first distillation tank 230.

[0039] In this embodiment, the box body 100 is provided with a switch door 110 .

[0040] Specifically, the setting of the opening and closing door 110 can facilitate the maintenance of the purification mechanism 200.

[0041] In this embodiment, the box body 100 is provided with a receiving seat 120 , and the receiving seat 120 is provided with a receiving groove 121 and a plurality of receiving bottle installation grooves 122 .

[0042] Specifically, the receiving seat 120 is disposed below the collecting tube 270 to provide support for the collecting bottle, thereby facilitating the collection of purified isopropyl alcohol waste liquid.

[0043] In this embodiment, a pulley 130 is disposed at the bottom of the box 100 .

[0044] Specifically, the provision of the pulley 130 facilitates the movement of the box 100 .

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An isopropanol purification device, characterized in that, include: A housing (100) and a purification mechanism (200); The purification mechanism (200) comprises a first filtering box (210), a storage box (220), a first distillation box (230), a first condensation unit (240), a second distillation box (250), a second condensation unit (260) and a collection pipe (270); The first filter box (210) is fixedly connected to the box body (100), and its input end is arranged above the top of the box body (100); The first filter box (210) is provided with an activated carbon filter plate (211), and the activated carbon filter plate (211) is detachably connected to the first filter box (210); The storage box (220) is fixedly connected to the inner wall of the box body (100), and is in communication with the first filter box (210); The first distillation box (230) is fixedly connected to the inner wall of the box body (100), and is in communication with the storage box (220); The first condensing element (240) is fixedly connected to the inner wall of the box body (100), and is in communication with the first distillation box (230); The second distillation box (250) is fixedly connected to the inner wall of the box body (100), and is in communication with the first condensing member (240); The second condensing element (260) is fixedly connected to the inner wall of the box body (100), and is in communication with the second distillation box (250); The collecting pipe (270) is connected to the second condensing member (260), and an output end thereof is arranged outside the housing (100).

2. An isopropanol purification device according to claim 1, characterized in that, The first filter box (210) is provided with a limiting plate (212); The activated carbon filter plate (211) is arranged at a downwardly inclined angle; The limiting plate (212) is used to allow the isopropyl alcohol waste liquid to fall from above the high end of the activated carbon filter plate (211).

3. An isopropanol purification device according to claim 2, characterized in that, A limit block (213) is provided in the first filter box (210), and the limit block (213) abuts against the activated carbon filter plate (211); The activated carbon filter plate (211) is provided with a handle (2111).

4. An isopropanol purification device according to claim 3, characterized in that, A valve (231) is provided between the storage tank (220) and the first distillation tank (230).

5. An isopropanol purification device according to claim 4, characterized in that, The box body (100) is provided with a switch door (110).

6. An isopropanol purification device according to claim 5, characterized in that: The box body (100) is provided with a receiving seat (120), and the receiving seat (120) is provided with a receiving groove (121) and a plurality of receiving bottle installation grooves (122).

7. An isopropanol purification device according to claim 6, characterized in that: A pulley (130) is provided at the bottom of the box (100).