Ion chromatograph with defoaming mechanism

By designing a combined structure of a bubble removal box, a rotating rod, and a removal wire in an ion chromatograph, and utilizing high-speed centrifugal force and reverse rotation, the problem of inaccurate detection caused by liquid bubbles is solved, and efficient defoaming and stable liquid delivery are achieved.

CN223308172UActive Publication Date: 2025-09-05上海晓创检测技术有限公司
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Patent Information

Application Number
CN202422292600.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-09-05
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

When an existing ion chromatograph is in use, bubbles are easily generated in the liquid coming out of the constant flow pump, resulting in inaccurate detection results. The existing defoaming mechanism is inefficient.

Method used

It adopts a combined structure of bubble removal box, rotating rod, rotating disk and removal wire. It generates strong centrifugal force through high-speed rotation and uses multiple removal wires to rotate in opposite directions at the same time to achieve rapid defoaming.

Benefits of technology

The efficiency of bubble elimination is improved, the stable delivery of liquid is ensured, and the accuracy of the test results is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223308172U_ABST
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Abstract

The utility model belongs to the technical field of ion chromatographs, and particularly relates to an ion chromatograph with a defoaming mechanism, which comprises an ion chromatograph main body, a bubble removing box is rotatably arranged at the top of the ion chromatograph main body through a first sealing bearing, and the bubble removing box is in a barrel shape with an open top wall. A fixing cover is rotationally arranged at the top of the bubble removing box through a second sealing bearing, and the fixing cover covers the bubble removing box in a matched mode; two vertical rotating rods are rotationally arranged on the two sides of the middle of the top wall of the fixed cover in a penetrating mode through bearing sleeves, rod bodies of the two rotating rods are arranged in a bilateral symmetry mode with respect to the vertical central axis of the bubble removing box, and the bottom ends of the rotating rods are located in an inner cavity of the bubble removing box and provided with rotating discs. According to the bubble removing device, the bubble removing box rotates at a high speed to generate strong centrifugal force, the bubble removing box and the removing wires rotate at the same time, the fast bubble removing effect on liquid materials is achieved, the rotating directions of the bubble removing box and the removing wires are opposite, and therefore the bubble removing efficiency is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ion chromatographs, in particular to an ion chromatograph with a defoaming mechanism. Background Art

[0002] Ion chromatograph is a kind of high performance liquid chromatograph. It is mainly used for the analysis of environmental samples, including anions and cations in samples such as surface water, drinking water, rainwater, domestic sewage and industrial wastewater, acid precipitation and atmospheric particulate matter, and the analysis of trace impurities in water and reagents related to the microelectronics industry. However, when the existing ion chromatograph is in use, the liquid coming out of the constant flow pump is prone to generate bubbles, which easily leads to inaccurate test results. Based on the above problems, the existing public (announcement) number CN213933718U discloses an ion chromatograph with a debubble mechanism, including an ion chromatograph body, a bubble removal box and a short axis control unit; the ion chromatograph body: the upper front side is provided with a constant flow pump and the rear end of the constant flow pump is provided with a liquid outlet pipe, the upper rear side of the ion chromatograph body is fixedly connected to a support column, the bubble removal box is fixedly connected to the upper end of the support column, the front lower part of the bubble removal box is provided with a liquid inlet and the liquid inlet is connected to the rear end of the liquid outlet pipe of the constant flow pump.

[0003] In the above-mentioned patent, although the removal wire can be driven to rotate by the rotation of the turntable and then the removal wire can remove bubbles in the liquid, the defoaming rotation method of the removal wire is relatively simple, resulting in a relatively low defoaming efficiency. Therefore, it is necessary to develop an ion chromatograph with a defoaming mechanism. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] An ion chromatograph with a defoaming mechanism, comprising:

[0007] An ion chromatograph body, wherein a bubble removal box is rotatably provided on the top of the ion chromatograph body via a first sealed bearing, the bubble removal box being in the shape of a barrel with an open top wall, and a fixed cover is rotatably provided on the top of the bubble removal box via a second sealed bearing, the fixed cover being adapted to cover the bubble removal box;

[0008] Rotating rod, two vertical rotating rods are rotatably provided on both sides of the middle part of the top wall of the fixed cover through the bearing sleeve, and the rod bodies of the two rotating rods are symmetrically arranged about the vertical central axis of the bubble removal box. The bottom end of the rotating rod is located in the inner cavity of the bubble removal box and is provided with a rotating disk. The bottom of the rotating disk is surrounded by vertical removal wires at equal intervals;

[0009] A fixing frame, the top of the ion chromatograph body is located on the right side of the bubble removal box and is provided with a fixing frame, the side wall of the fixing frame is protruding with a plurality of fixing blocks, the right side of the fixing cover is fixedly connected to the left end of a fixing block, the upper and lower walls of the plurality of fixing blocks rotate together and are penetrated by a vertical driving rod, the outer side wall of the bubble removal box is provided with at least two circles of external teeth, and the rod body of the driving rod is provided with a driving gear that meshes with the external teeth;

[0010] The first sprocket is respectively provided on the rod body of the two rotating rods, and the two first sprockets are linked by a first chain. The rod body of the rotating rod on the right and the rod body of the driving rod are respectively provided with a second sprocket, and the two second sprockets are linked by a second chain.

[0011] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, a solenoid valve is provided at the lower end of the bubble removal box, and the inner cavity of the bubble removal box is connected to the liquid inlet end of the ion chromatograph body.

[0012] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, a feed pipe connected to the inner cavity of the bubble removal box is provided at the center of the top wall of the fixed cover, and a gap is set between the feed pipe and the first chain.

[0013] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, wherein: all of the removal wires are set with gaps between the inner wall of the bubble removal box.

[0014] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, a servo motor is provided on the top of the fixed frame, a bevel gear 1 is provided on the top of the driving rod, and a bevel gear 2 meshing with the bevel gear 1 is provided on the output shaft of the servo motor.

[0015] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, the two first sprockets are located above the fixed cover, and the two first sprockets are on the same horizontal plane, and the teeth of the two first sprockets are respectively engaged with the inner side of the first chain.

[0016] As a preferred solution of the ion chromatograph with a defoaming mechanism described in the utility model, the two second sprockets are located above the first chain, and the two second sprockets are on the same horizontal plane, and the teeth of the two second sprockets are respectively engaged with the inner side of the second chain.

[0017] Compared with the existing technology, the beneficial effects of the present invention are: the high-speed rotation of the bubble removal box generates a strong centrifugal force, combined with the simultaneous rotation of multiple removal wires, which has the effect of quickly defoaming the liquid material, and the two rotate in opposite directions, thereby further improving the efficiency of bubble elimination. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of area A;

[0021] Figure 3 This is a schematic structural diagram of the internal components of the bubble removal box cross section of the present invention;

[0022] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of area B in the middle;

[0023] Figure 5 For this utility model Figure 3 Schematic diagram of the structure viewed from the side.

[0024] In the figure: ion chromatograph body 100, bubble removal box 110, first sealed bearing 120, fixed cover 130, feed tube 140, second sealed bearing 150, rotating rod 200, bearing sleeve 210, removal wire 220, turntable 230, fixing frame 300, fixing block 310, driving rod 320, external teeth 330, driving gear 340, servo motor 350, bevel gear 1 360, bevel gear 2 370, first sprocket 400, first chain 410, second sprocket 420, second chain 430. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0029] See also Figure 1-Figure 5 , shows a schematic diagram of the structure of an ion chromatograph with a defoaming mechanism according to the present invention, please refer to Figure 1-Figure 5 , a detailed introduction is given to an ion chromatograph with a defoaming mechanism.

[0030] An ion chromatograph with a defoaming mechanism includes an ion chromatograph body 100. A bubble removal box 110 is rotatably mounted on the top of the ion chromatograph body 100 via a first sealed bearing 120. The bubble removal box 110 is in the shape of a cylinder with an open top wall. A fixed cover 130 is rotatably mounted on the top of the bubble removal box 110 via a second sealed bearing 150. The fixed cover 130 is adapted to cover the bubble removal box 110.

[0031] Two vertical rotating rods 200 are rotatably provided on both sides of the middle portion of the top wall of the fixed cover 130 through bearing sleeves 210. The rod bodies of the two rotating rods 200 are arranged symmetrically about the vertical central axis of the bubble removal box 110. The bottom ends of the rotating rods 200 are located in the inner cavity of the bubble removal box 110 and are provided with a rotating disk 230. Vertical removal wires 220 are evenly spaced around the bottom of the rotating disk 230.

[0032] A fixing frame 300 is provided at the top of the ion chromatograph body 100, located on the right side of the bubble removal box 110. A plurality of fixing blocks 310 are protruding from the sidewall of the fixing frame 300. The right side of the fixing cover 130 is fixedly connected to the left end of a fixing block 310. A vertical driving rod 320 is provided through the upper and lower walls of the plurality of fixing blocks 310 so as to rotate together. The outer wall of the bubble removal box 110 is provided with at least two circles of external teeth 330. The driving rod 320 is provided with a driving gear 340 that engages with the external teeth 330.

[0033] A first sprocket 400 is respectively provided on the rod body of the two rotating rods 200, and the two first sprockets 400 are linked by a first chain 410. A second sprocket 420 is respectively provided on the rod body of the right rotating rod 200 and the rod body of the driving rod 320, and the two second sprockets 420 are linked by a second chain 430.

[0034] Furthermore, a solenoid valve is provided at the lower end of the bubble removal box 110, and the inner cavity of the bubble removal box 110 is connected to the liquid inlet end of the ion chromatograph main body 100. The solenoid valve is not shown in the figure. When the solenoid valve is opened, the inner cavity of the bubble removal box 110 is connected to the inner cavity of the ion chromatograph main body 100. When the liquid material inside the bubble removal box 110 is defoamed, after the solenoid valve is opened, the liquid material inside the bubble removal box 110 enters the inner cavity of the ion chromatograph main body 100 from the liquid inlet end of the ion chromatograph main body 100.

[0035] Furthermore, a feed pipe 140 communicating with the inner cavity of the bubble removal box 110 is provided at the center of the top wall of the fixed cover 130 . The feed pipe 140 is provided with a gap between itself and the first chain 410 . The feed pipe 140 is used to inject liquid into the bubble removal box 110 .

[0036] Furthermore, a gap is set between all the removal wires 220 and the inner wall of the bubble removal box 110 to ensure that the rotating removal wires 220 do not touch the inner wall of the bubble removal box 110 .

[0037] Furthermore, a servo motor 350 is provided at the top of the fixing frame 300, a bevel gear 1 360 is provided at the top of the driving rod 320, and the output shaft of the servo motor 350 is provided with a bevel gear 2 370 that engages with the bevel gear 1 360. When the servo motor 350 is started, the driving rod 320 is driven to rotate through the bevel gear 2 370 and the bevel gear 1 360, and then the bubble removal box 110 is driven to rotate through the driving gear 340 and the outer gear 330, and the fixed cover 130 remains stationary.

[0038] Furthermore, the two first sprockets 400 are located above the fixed cover 130, and the two first sprockets 400 are on the same horizontal plane. The teeth of the two first sprockets 400 are respectively engaged with the inner side of the first chain 410. When one rotating rod 200 rotates, the other rotating rod 200 rotates simultaneously through the first sprocket 400 and the first chain 410.

[0039] Furthermore, the two second sprockets 420 are located above the first chain 410, and the two second sprockets 420 are on the same horizontal plane. The teeth of the two second sprockets 420 are respectively engaged with the inner side of the second chain 430. When the driving rod 320 rotates, the second sprocket 420 and the second chain 430 drive the right-side removing wire 220 to rotate, and then the first sprocket 400 and the first chain 410 drive the other rotating rod 200 and the removing wire 220 to rotate.

[0040] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. An ion chromatograph with a defoaming mechanism, characterized in that: include: An ion chromatograph body (100) is provided with a bubble removal box (110) on the top of the ion chromatograph body (100) so as to be rotatable via a first sealing bearing (120), the bubble removal box (110) being in the shape of a cylinder with an open top wall, and a fixed cover (130) is provided on the top of the bubble removal box (110) so as to be rotatable via a second sealing bearing (150), the fixed cover (130) being adapted to cover the bubble removal box (110); A rotating rod (200), two vertical rotating rods (200) are rotatably provided on both sides of the middle portion of the top wall of the fixed cover (130) through a bearing sleeve (210), the rod bodies of the two rotating rods (200) are symmetrically arranged with respect to the vertical central axis of the bubble removal box (110), the bottom end of the rotating rod (200) is located in the inner cavity of the bubble removal box (110) and is provided with a rotating disk (230), and vertical removal wires (220) are arranged around the bottom of the rotating disk (230) at equal intervals; A fixing frame (300), wherein the top of the ion chromatograph body (100) is provided with a fixing frame (300) on the right side of the bubble removal box (110), a plurality of fixing blocks (310) are protruding from the side wall of the fixing frame (300), the right side of the fixing cover (130) is fixedly connected to the left end of a fixing block (310), the upper and lower walls of the plurality of fixing blocks (310) rotate together and are penetrated by a vertical driving rod (320), the outer side wall of the bubble removal box (110) is provided with at least two circles of external teeth (330), and the rod body of the driving rod (320) is provided with a driving gear (340) that engages with the external teeth (330); A first sprocket (400) is provided on the rod bodies of the two rotating rods (200), and the two first sprockets (400) are linked by a first chain (410). A second sprocket (420) is provided on the rod body of the right rotating rod (200) and the rod body of the driving rod (320), and the two second sprockets (420) are linked by a second chain (430).

2. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: A solenoid valve is provided at the lower end of the bubble removal box (110), and the inner cavity of the bubble removal box (110) is connected to the liquid inlet end of the ion chromatograph body (100).

3. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: A feeding pipe (140) communicating with the inner cavity of the bubble removal box (110) is provided at the center of the top wall of the fixed cover (130), and a gap is provided between the feeding pipe (140) and the first chain (410).

4. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: All of the removal wires (220) are provided with gaps between themselves and the inner wall of the bubble removal box (110).

5. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: A servo motor (350) is provided on the top of the fixing frame (300), a bevel gear 1 (360) is provided on the top of the driving rod (320), and a bevel gear 2 (370) meshing with the bevel gear 1 (360) is provided on the output shaft of the servo motor (350).

6. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: The two first sprockets (400) are located above the fixed cover (130), and the two first sprockets (400) are on the same horizontal plane, and the teeth of the two first sprockets (400) are respectively engaged with the inner side of the first chain (410).

7. The ion chromatograph with a defoaming mechanism according to claim 1, characterized in that: The two second sprockets (420) are located above the first chain (410), and the two second sprockets (420) are on the same horizontal plane, and the teeth of the two second sprockets (420) are respectively engaged with the inner side of the second chain (430).

Citation Information

Patent Citations

  • Ion chromatograph with bubble removing mechanism

    CN213933718U