CN216359216U

CN216359216U - Automatic cleaning device for flow path system of ion chromatograph

Info

Publication number: CN216359216U
Application number: CN202123060142.1U
Authority: CN
Inventors: 辛中华; 杜晓磊
Original assignee: Qingdao Yiyi Instrument Co ltd
Current assignee: Qingdao Yiyi Instrument Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-22
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an automatic cleaning device for a flow path system of an ion chromatograph, which comprises an ion chromatograph body, wherein the bottom of the inner wall of the ion chromatograph body is fixedly connected with a high-pressure constant-current pump, and the input end of the high-pressure constant-current pump is communicated with a three-way pipe I. According to the utility model, the ion chromatograph body, the high-pressure advection pump, the three-way pipe I, the delivery pipe I, the electronic control valve I, the vertical pipe I, the electronic control valve II, the water storage box I, the water inlet pipe, the three-way pipe II, the delivery pipe II, the electronic control valve III, the vertical pipe II, the electronic control valve IV and the water storage box II are arranged, so that the problems that the conventional ion chromatograph does not have an automatic online cleaning function, and in order to avoid abrasion and corrosion of a sealing ring in the high-pressure advection pump, an experimenter is required to clean the high-pressure advection pump by using purified water after the operation of equipment is generally finished, the operation steps are complicated, and the equipment is damaged once the experimenter forgets to operate the step are solved.

Description

Automatic cleaning device for flow path system of ion chromatograph

Technical Field

The utility model relates to the technical field of ion chromatographs, in particular to an automatic cleaning device for a flow path system of an ion chromatograph.

Background

In the process of liquid detection, an ion chromatograph is needed, most of flowing detection substances of the ion chromatograph mainly comprise alkaline substances such as sodium hydroxide, potassium hydroxide, sodium sulfate, sodium bicarbonate and the like, and if the substances exist in a high-pressure constant-current pump of the ion chromatograph for a long time, the substances can form particles, so that a sealing ring in the high-pressure constant-current pump is corroded by abrasion, equipment is not sealed tightly, and liquid leakage is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the background art, the present invention provides an automatic cleaning device for an ion chromatograph flow path system, which has the advantage of having an automatic online cleaning function, and solves the problems that an existing ion chromatograph does not have an automatic online cleaning function, and an experimenter is required to clean a high-pressure constant-flow pump with purified water after the operation of the equipment is finished in order to avoid abrasion and corrosion of a seal ring in the high-pressure constant-flow pump, which may cause troublesome operation steps, and may also cause damage to the equipment once the experimenter forgets to operate the step.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic cleaning device for an ion chromatograph flow path system comprises an ion chromatograph body, a high-pressure constant-current pump, a three-way pipe I, a delivery pipe I, an electronic control valve I, a vertical pipe I, an electronic control valve II, a water storage box I, a water inlet pipe, a three-way pipe II, a delivery pipe II, an electronic control valve III, a vertical pipe II, an electronic control valve IV, a water storage box II, a water discharge pipe and a water discharge control valve;

the ion chromatograph comprises an ion chromatograph body, and is characterized in that a high-pressure constant-current pump is fixedly connected to the bottom of the inner wall of the ion chromatograph body, the input end of the high-pressure constant-current pump is communicated with a first three-way pipe, the top of the first three-way pipe is communicated with a first conveying pipe, the surface of the first conveying pipe is provided with a first electronic control valve, the top of the first three-way pipe is communicated with a first vertical pipe, the left side of the first vertical pipe is fixedly connected with the left side of the inner wall of the ion chromatograph body, the left side of the first water storage box is communicated with a water inlet pipe, and the left side of the water inlet pipe penetrates to the left side of the ion chromatograph body;

the output end of the high-pressure advection pump is communicated with a three-way pipe II, the bottom of the three-way pipe II is communicated with a delivery pipe II, the surface of the delivery pipe II is provided with an electronic control valve III, the bottom of the three-way pipe II and the right side of the delivery pipe II are communicated with a vertical pipe II, the surface of the vertical pipe II is provided with an electronic control valve IV, the bottom of the vertical pipe II is communicated with a water storage box II, the bottom of the water storage box II is fixedly connected with the bottom of the inner wall of the ion chromatograph body, the front side of the water storage box II is communicated with a drain pipe, and the surface of the drain pipe is provided with a drain control valve.

Preferably, the top of the water inlet pipe is provided with a cap, and the cap is cylindrical in shape.

Preferably, the surface of the cap is provided with anti-skid grains, and the cap is made of plastic.

Preferably, the first water storage box is made of stainless steel, and an antirust coating is arranged on the surface of the first water storage box.

Preferably, the second water storage box is made of glass fiber reinforced plastic, and an anti-corrosion coating is arranged on the surface of the second water storage box.

Preferably, the surface of the first vertical tube is sleeved with a fixing ring, and the left side of the fixing ring is fixedly connected with the left side of the inner wall of the ion chromatograph body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the first conveying pipe and the second conveying pipe are closed by the first electronic control valve and the third electronic control valve, the first vertical pipe and the second vertical pipe are opened by the second electronic control valve and the fourth electronic control valve, then the suction force is generated at the input end of the high-pressure advection pump, purified water in the first water storage box is extracted by the first three-way pipe and the second vertical pipe, the purified water is discharged from the output end of the high-pressure advection pump, the high-pressure advection pump is flushed by the purified water, and finally the purified water is conveyed into the second water storage box by the second three-way pipe and the second vertical pipe, so that the high-pressure advection pump can be cleaned, and the effect of automatic online cleaning is achieved.

2. According to the utility model, the cover cap is arranged, so that the water inlet pipe can be covered, and foreign matters are prevented from entering the first water storage box through the water inlet pipe.

3. According to the utility model, through the arrangement of the anti-slip grains, the friction force between the hands and the cap can be increased, and the cap is prevented from falling off the hands when in use.

4. According to the utility model, the first stainless steel water storage box and the antirust coating are arranged, so that the first stainless steel water storage box can be prevented from rusting, and the first stainless steel water storage box can be prevented from being damaged due to rusting.

5. According to the utility model, the second water storage box and the anticorrosive coating which are made of glass fiber reinforced plastic materials are arranged, so that the anticorrosive performance of the second water storage box can be improved, and the second water storage box is less prone to corrosion.

6. According to the utility model, the first vertical pipe can be fixed through the arrangement of the fixing ring, and the first vertical pipe is prevented from shaking in use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a perspective view of a second structure of the three-way pipe of the present invention.

In the figure: 1. an ion chromatograph body; 2. a high-pressure advection pump; 3. a first three-way pipe; 4. a first conveying pipe; 5. a first electronic control valve; 6. a vertical pipe I; 7. a second electronic control valve; 8. a first water storage box; 9. a water inlet pipe; 10. a third pipe II; 11. a second conveying pipe; 12. a third electronic control valve; 13. a second vertical pipe; 14. a fourth electronic control valve; 15. a second water storage box; 16. a drain pipe; 17. a drain control valve; 18. capping; 19. and (4) fixing the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the automatic cleaning device for a flow path system of an ion chromatograph provided by the present invention includes an ion chromatograph body 1, a high-pressure constant-current pump 2, a three-way pipe 1, a delivery pipe 4, an electronic control valve 5, a standpipe 6, an electronic control valve 7, a water storage box 8, a water inlet pipe 9, a three-way pipe 10, a delivery pipe 11, an electronic control valve three 12, a standpipe two 13, an electronic control valve four 14, a water storage box two 15, a drain pipe 16, and a drain control valve 17;

the bottom of the inner wall of the ion chromatograph body 1 is fixedly connected with a high-pressure constant-current pump 2, the input end of the high-pressure constant-current pump 2 is communicated with a three-way pipe I3, the top of the three-way pipe I3 is communicated with a conveying pipe I4, the surface of the conveying pipe I4 is provided with an electronic control valve I5, the top of the three-way pipe I3 and the left side of the conveying pipe I4 are communicated with a vertical pipe I6, the surface of the vertical pipe I6 is provided with an electronic control valve II 7, the top of the vertical pipe I6 is communicated with a water storage box I8, the left side of the water storage box I8 is fixedly connected with the left side of the inner wall of the ion chromatograph body 1, the left side of the water storage box I8 is communicated with a water inlet pipe 9, and the left side of the water inlet pipe 9 penetrates to the left side of the ion chromatograph body 1;

the output end of the high-pressure constant-current pump 2 is communicated with a three-way pipe two 10, the bottom of the three-way pipe two 10 is communicated with a delivery pipe two 11, the surface of the delivery pipe two 11 is provided with an electronic control valve three 12, the bottom of the three-way pipe two 10 and the right side of the delivery pipe two 11 are communicated with a vertical pipe two 13, the surface of the vertical pipe two 13 is provided with an electronic control valve four 14, the bottom of the vertical pipe two 13 is communicated with a water storage box two 15, the bottom of the water storage box two 15 is fixedly connected with the bottom of the inner wall of the ion chromatograph body 1, the front side of the water storage box two 15 is communicated with a drain pipe 16, and the surface of the drain pipe 16 is provided with a drain control valve 17.

Referring to fig. 2, the top of the inlet pipe 9 is provided with a cap 18, and the cap 18 is cylindrical in shape.

As a technical optimization scheme of the utility model, the cover cap 18 is arranged, so that the water inlet pipe 9 can be covered, and foreign matters are prevented from entering the first water storage box 8 through the water inlet pipe 9.

Referring to fig. 2, the surface of the cap 18 is provided with anti-slip lines, and the cap 18 is made of plastic.

As a technical optimization scheme of the present invention, the friction between the hands and the cap 18 can be increased by the arrangement of the anti-slip pattern, so as to prevent the cap 18 from falling off the hands during use.

Referring to fig. 2, the first water storage box 8 is made of stainless steel, and an anti-rust coating is disposed on the surface of the first water storage box 8.

As a technical optimization scheme of the utility model, the first stainless steel water storage box 8 and the antirust coating are arranged, so that the first stainless steel water storage box 8 can be prevented from rusting, and the first stainless steel water storage box 8 can be prevented from being damaged due to rusting.

Referring to fig. 2, the second water storage box 15 is made of glass fiber reinforced plastic, and an anti-corrosion coating is disposed on the surface of the second water storage box 15.

As a technical optimization scheme of the utility model, the second water storage box 15 made of the glass fiber reinforced plastic and the anticorrosive coating are arranged, so that the anticorrosive performance of the second water storage box 15 can be improved, and the second water storage box 15 is less prone to corrosion.

Referring to fig. 2, the surface of the first standpipe 6 is sleeved with a fixing ring 19, and the left side of the fixing ring 19 is fixedly connected with the left side of the inner wall of the ion chromatograph body 1.

As a technical optimization scheme of the utility model, the vertical pipe 6 can be fixed by the arrangement of the fixing ring 19, so that the vertical pipe 6 is prevented from shaking in use.

The working principle and the using process of the utility model are as follows: when the device is used, the first conveying pipe 4 and the second conveying pipe 11 are closed by the first electronic control valve 5 and the third electronic control valve 12, the first vertical pipe 6 and the second vertical pipe 13 are opened by the second electronic control valve 7 and the fourth electronic control valve 14, then the input end of the high-pressure constant-current pump 2 generates suction, purified water in the first water storage box 8 is extracted through the first three-way pipe 3 and the second vertical pipe 13, the purified water is discharged from the output end of the high-pressure constant-current pump 2, the high-pressure constant-current pump 2 is washed by the purified water, finally the purified water is conveyed into the second water storage box 15 by the second three-way pipe 10 and the second vertical pipe 13, and the high-pressure constant-current pump 2 can be washed at the moment, so that the effect of having an automatic online washing function is achieved.

In summary, the following steps: the automatic cleaning device of the ion chromatograph flow path system solves the problem that the existing ion chromatograph does not have the automatic online cleaning function by arranging an ion chromatograph body 1, a high-pressure constant-current pump 2, a three-way pipe I3, a delivery pipe I4, an electronic control valve I5, a vertical pipe I6, an electronic control valve II 7, a water storage box I8, a water inlet pipe 9, a three-way pipe II 10, a delivery pipe II 11, an electronic control valve III 12, a vertical pipe II 13, an electronic control valve IV 14, a water storage box II 15, a water discharge pipe 16, a water discharge control valve 17, a cover cap 18 and a fixing ring 19, in order to avoid abrasion and corrosion of the sealing ring in the high-pressure constant-flow pump 2, the experimenter is required to clean the high-pressure constant-flow pump 2 with pure water after the operation of the equipment is finished, which causes complicated operation steps, and once the experimenter forgets to operate the step, the problem of damage to the equipment is also caused.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ion chromatograph flow path system self-cleaning device which characterized in that: the device comprises an ion chromatograph body (1), a high-pressure constant-current pump (2), a three-way pipe I (3), a delivery pipe I (4), an electronic control valve I (5), a vertical pipe I (6), an electronic control valve II (7), a water storage box I (8), a water inlet pipe (9), a three-way pipe II (10), a delivery pipe II (11), an electronic control valve III (12), a vertical pipe II (13), an electronic control valve IV (14), a water storage box II (15), a water discharge pipe (16) and a water discharge control valve (17);

the bottom of the inner wall of the ion chromatograph body (1) is fixedly connected with a high-pressure constant-current pump (2), the input end of the high-pressure advection pump (2) is communicated with a three-way pipe I (3), the top of the three-way pipe I (3) is communicated with a delivery pipe I (4), the surface of the first conveying pipe (4) is provided with a first electronic control valve (5), the top of the first three-way pipe (3) and the left side of the first conveying pipe (4) are communicated with a first vertical pipe (6), the surface of the vertical pipe I (6) is provided with an electronic control valve II (7), the top of the vertical pipe I (6) is communicated with a water storage box I (8), the left side of the first water storage box (8) is fixedly connected with the left side of the inner wall of the ion chromatograph body (1), the left side of the first water storage box (8) is communicated with a water inlet pipe (9), and the left side of the water inlet pipe (9) penetrates to the left side of the ion chromatograph body (1);

the output end of the high-pressure constant-current pump (2) is communicated with a three-way pipe II (10), the bottom of the three-way pipe II (10) is communicated with a delivery pipe II (11), an electronic control valve III (12) is arranged on the surface of the delivery pipe II (11), the bottom of the three-way pipe II (10) and the right side of the delivery pipe II (11) are communicated with a vertical pipe II (13), an electronic control valve IV (14) is arranged on the surface of the vertical pipe II (13), a water storage box II (15) is communicated with the bottom of the vertical pipe II (13), the bottom of the water storage box II (15) is fixedly connected with the bottom of the inner wall of the ion chromatograph body (1), a drainage pipe (16) is communicated with the front side of the water storage box II (15), and a drainage valve (17) is arranged on the surface of the drainage pipe (16).

2. The apparatus of claim 1, wherein the apparatus further comprises: the top of inlet tube (9) is provided with block (18), the shape of block (18) is cylindrical.

3. The apparatus according to claim 2, wherein the apparatus further comprises: the surface of the cap (18) is provided with anti-skid grains, and the cap (18) is made of plastics.

4. The apparatus of claim 1, wherein the apparatus further comprises: the water storage box I (8) is made of stainless steel, and an antirust coating is arranged on the surface of the water storage box I (8).

5. The apparatus of claim 1, wherein the apparatus further comprises: the second water storage box (15) is made of glass fiber reinforced plastic, and an anti-corrosion coating is arranged on the surface of the second water storage box (15).

6. The apparatus of claim 1, wherein the apparatus further comprises: the surface cover of standpipe (6) is equipped with solid fixed ring (19), the left side of solid fixed ring (19) and the left side fixed connection of ion chromatograph body (1) inner wall.