Pipeline cleaning device for continuous flow analyzer

Abstract

The utility model relates to the technical field of experimental instruments, and discloses a continuous flow analyzer pipeline cleaning device which comprises a box body, a first cleaning assembly and an air drying assembly, a cleaning area and an air drying area which are isolated from each other are formed in the box body; a first liquid storage chamber is formed in the cleaning area, and a first cleaning assembly is arranged in the first liquid storage chamber; the first cleaning assembly comprises a first pump, a first liquid distribution pipe, a first liquid connector and a first liquid valve. The first pump communicates with the inlet end of the first liquid distribution pipe, and the outlet end of the first liquid distribution pipe is connected with the first liquid connector. The first liquid connectors are in one-to-one correspondence with the first liquid valves; the air drying assembly comprises a fan, an air distribution pipe, a gas connector and a gas valve; the fan is arranged in the air drying area; the fan is communicated with the inlet end of the air distribution pipe, and the outlet end of the air distribution pipe is connected with the gas connector; and the gas connectors are in one-to-one correspondence with the gas valves. According to the technical scheme provided by the utility model, the pipeline cleaning efficiency of the continuous flow analyzer can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental instruments, in particular to a pipeline cleaning device for a continuous flow analyzer. Background Art

[0002] The continuous flow analyzer is an analytical instrument with a high degree of automation, mainly used in the fields of water quality analysis, environmental monitoring, food analysis, etc. It can measure a variety of water quality indicators efficiently and accurately through continuous flow. Before and after using the continuous flow analyzer, it is usually necessary to clean the analysis pipeline to prevent the residue of the previous sample from affecting the analysis result of the next sample, ensure the accuracy of the analysis result, and extend the service life of the instrument. However, the cleaning of existing continuous flow analyzers takes a long time, and the cleaning effect is not good when facing some residues, which often affects the progress of analytical experiments. Therefore, the utility model proposes a continuous flow analyzer pipeline cleaning device to improve the efficiency of continuous flow analyzer pipeline cleaning. Utility Model Content

[0003] The main purpose of the utility model is to provide a continuous flow analyzer pipeline cleaning device for improving the efficiency of continuous flow analyzer pipeline cleaning.

[0004] To achieve the above-mentioned purpose, the continuous flow analyzer pipeline cleaning device proposed in the present invention includes a box body, a first cleaning component and an air-drying component; a first partition is provided in the box body to separate the box body into a cleaning area and an air-drying area isolated from each other; a first liquid storage chamber is formed in the cleaning area, and the first liquid storage chamber is provided with the first cleaning component; the first cleaning component includes a first pump, a first liquid dispensing tube, a plurality of first liquid connecting heads and a plurality of first liquid valves; the first pump is provided in the first liquid storage chamber; the liquid outlet of the first pump is connected to the inlet end of the first liquid dispensing tube, and the outlet end of the first liquid dispensing tube is respectively connected to a plurality of first liquid connecting heads; the first liquid connecting head passes through It is arranged in the box body to be connected to the analysis pipeline of the continuous flow analyzer; the first liquid connector corresponds to the first liquid valve one by one, and the first liquid valve is arranged at the corresponding first liquid connector; the air-drying component includes a fan, an air distribution pipe, multiple gas connectors and multiple gas valves; the fan is arranged in the air-drying area; the air outlet of the fan is connected to the inlet end of the air distribution pipe, and the outlet end of the air distribution pipe is respectively connected to multiple gas connectors; the gas connector is passed through the box body to be connected to the analysis pipeline of the continuous flow analyzer; the gas connector corresponds to the gas valve one by one, and the gas valve is arranged at the corresponding gas connector.

[0005] Preferably, the continuous flow analyzer pipeline cleaning device also includes a second cleaning component; a second partition perpendicular to the first partition is provided in the box body; the second partition divides the cleaning area to form a second liquid storage chamber; the second cleaning component includes a second pump, a second liquid dispensing tube, multiple second liquid connectors and multiple second liquid valves; the second pump is arranged in the second liquid storage chamber; the liquid outlet of the second pump is connected to the inlet end of the second liquid dispensing tube, and the outlet end of the second liquid dispensing tube is respectively connected to multiple second liquid connectors; the second liquid connector is passed through the box body for connecting to the analysis pipeline of the continuous flow analyzer; the second liquid connector and the second liquid valve correspond one to one, and the second liquid valve is arranged at the corresponding second liquid connector.

[0006] Preferably, the continuous flow analyzer pipeline cleaning device also includes a third cleaning component; the second partition separates the cleaning area to form a third liquid storage chamber; the third cleaning component includes a third pump, a third dispensing tube, multiple third liquid connectors and multiple third liquid valves; the third pump is arranged in the third liquid storage chamber; the liquid outlet of the third pump is connected to the inlet end of the third dispensing tube, and the outlet end of the third dispensing tube is respectively connected to multiple third liquid connectors; the third liquid connector is passed through the box body to connect to the analysis pipeline of the continuous flow analyzer; the third liquid connector corresponds one-to-one to the third liquid valve, and the third liquid valve is arranged at the corresponding third liquid connector.

[0007] Preferably, the number of the first liquid connector, the second liquid connector, the third liquid connector and the gas connector is the same, and the first liquid connector, the second liquid connector, the third liquid connector and the gas connector are all vertically arranged on the same side wall of the box.

[0008] Preferably, the plurality of first liquid connectors are distributed at equal distances along a straight line; the plurality of second liquid connectors are distributed at equal distances along a straight line; the plurality of third liquid connectors are distributed at equal distances along a straight line; and the plurality of gas connectors are distributed at equal distances along a straight line.

[0009] Preferably, the box body is provided with a first liquid inlet, a second liquid inlet and a third liquid inlet; the first liquid inlet is arranged in the first liquid storage chamber, the second liquid inlet is arranged in the second liquid storage chamber, and the third liquid inlet is arranged in the third liquid storage chamber.

[0010] Preferably, one end of the first liquid inlet close to the outer wall of the box body is higher than one end of the first liquid inlet close to the inner wall of the box body; one end of the second liquid inlet close to the outer wall of the box body is higher than one end of the second liquid inlet close to the inner wall of the box body; and one end of the third liquid inlet close to the outer wall of the box body is higher than one end of the third liquid inlet close to the inner wall of the box body.

[0011] Preferably, a plurality of air inlets are provided on the side wall of the box.

[0012] Preferably, a handle is provided on the top of the box body; and support legs are provided at the four corners of the bottom of the box body.

[0013] Preferably, the continuous flow analyzer pipeline cleaning device further includes a controller; the controller is arranged on a side wall of the box; the controller is communicatively connected to the first pump, the second pump, the third pump and the fan respectively.

[0014] In the technical solution of the present utility model, the box body is provided with the first liquid storage chamber for accommodating the cleaning liquid, the first pump is provided in the first liquid storage chamber, and the first pump is connected to a plurality of the first liquid connectors through the first liquid distribution pipe, and each of the first liquid connectors is provided with a first liquid valve. Therefore, after the continuous flow analyzer is used, the analysis pipeline is connected to the first liquid connector, the corresponding first liquid valve is opened, and the first pump is started to clean the analysis pipeline, effectively remove the residue in the analysis pipeline, and greatly improve the cleaning efficiency; the box body is also provided with the air drying area, and the air drying area is provided with the fan, and the fan is connected to a plurality of the gas connectors through the air distribution pipe, and each of the gas connectors is provided with a gas valve. Therefore, after the analysis pipeline is cleaned, the analysis pipeline is connected to the gas connector, the corresponding gas valve is opened, and the fan is started to dry the analysis pipeline, so as to avoid the residual cleaning liquid in the analysis pipeline affecting the next analysis result. In summary, the continuous flow analyzer pipeline cleaning device can improve the cleaning efficiency of the analysis pipeline, effectively remove the residue in the analysis pipeline, and avoid the analysis pipeline from being contaminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a front structural diagram of a continuous flow analyzer pipeline cleaning device of the present invention;

[0017] Figure 2 This is a schematic diagram of the internal structure of the continuous flow analyzer pipeline cleaning device of the present utility model;

[0018] Figure 3 This is a structural schematic diagram of the cleaning area of the continuous flow analyzer pipeline cleaning device of the present invention;

[0019] Figure 4 This is a structural schematic diagram of the air-drying area of the continuous flow analyzer pipeline cleaning device of the present invention.

[0020] Description of Figure Numbers:

[0021] 1-Box body; 11-Handle; 12-Supporting leg; 2-First partition; 3-Second partition; 4-First liquid storage chamber; 41-First pump; 42-First liquid dispensing pipe; 43-First liquid connector; 44-First liquid valve; 45-First liquid inlet; 5-Second liquid storage chamber; 51-Second pump; 52-Second liquid dispensing pipe; 53-Second liquid connector; 54-Second liquid valve; 55-Second liquid inlet; 6-Third liquid storage chamber; 61-Third pump; 62-Third liquid dispensing pipe; 63-Third liquid connector; 64-Third liquid valve; 65-Third liquid inlet; 7-Air drying area; 71-Fan; 72-Air distribution pipe; 73-Gas connector; 74-Gas valve; 75-Air inlet; 8-Controller.

[0022] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0026] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0027] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0028] The utility model provides a pipeline cleaning device for a continuous flow analyzer.

[0029] Please refer to Figures 1 to 4, the continuous flow analyzer pipeline cleaning device includes a box body 1, a first cleaning component and an air-drying component; a first partition 2 is provided in the box body 1 to separate the box body 1 into a cleaning area and an air-drying area 7 isolated from each other; the cleaning area forms a first liquid storage chamber 4, and the first liquid storage chamber 4 is provided with the first cleaning component; the first cleaning component includes a first pump 41, a first liquid dispensing pipe 42, a plurality of first liquid connecting heads 43 and a plurality of first liquid valves 44; the first pump 41 is arranged in the first liquid storage chamber 4; the liquid outlet of the first pump 41 is connected to the inlet end of the first liquid dispensing pipe 42, and the outlet end of the first liquid dispensing pipe 42 is respectively connected to a plurality of first liquid connecting heads 43; the first liquid connecting head 43 is passed through the box body 1 for connecting The analysis pipeline of the continuous flow analyzer; the first liquid connector 43 corresponds one-to-one with the first liquid valve 44, and the first liquid valve 44 is arranged at the corresponding first liquid connector 43; the air-drying component includes a fan 71, an air distribution pipe 72, multiple gas connectors 73 and multiple gas valves 74; the fan 71 is arranged in the air-drying area; the air outlet of the fan 71 is connected to the inlet end of the air distribution pipe 72, and the outlet end of the air distribution pipe 72 is respectively connected to multiple gas connectors 73; the gas connector 73 is passed through the box body 1 to be used for connecting the analysis pipeline of the continuous flow analyzer; the gas connector 73 corresponds one-to-one with the gas valve 74, and the gas valve 74 is arranged at the corresponding gas connector 73.

[0030] In the technical solution of the present utility model, the box body 1 is provided with the first liquid storage chamber 4 for accommodating the cleaning liquid, the first pump 41 is provided in the first liquid storage chamber 4, and the first pump 41 is connected to a plurality of the first liquid connectors 43 through the first liquid dispensing pipe 42, and each of the first liquid connectors 43 is provided with a first liquid valve 44. Therefore, after the continuous flow analyzer is used, the analysis pipeline is connected to the first liquid connector 43, the corresponding first liquid valve 44 is opened, and the first pump 41 is started to clean the analysis pipeline, effectively removing the liquid. In addition to removing residues from the analysis pipeline, the cleaning efficiency is greatly improved; the box body 1 is also provided with the air-drying area, and the air-drying area is provided with the fan 71, and the fan 71 is connected to a plurality of the gas connectors 73 through the air distribution pipe 72, and each of the gas connectors 73 is provided with a gas valve 74. Therefore, after the analysis pipeline is cleaned, the analysis pipeline is connected to the gas connector 73, the corresponding gas valve 74 is opened, and the fan 71 is started to dry the analysis pipeline, thereby preventing the residual cleaning liquid in the analysis pipeline from affecting the next analysis result. In summary, the continuous flow analyzer pipeline cleaning device can improve the cleaning efficiency of the analysis pipeline, effectively remove residues in the analysis pipeline, and prevent the analysis pipeline from being contaminated.

[0031] Specifically, the box body 1 is a rectangular box body; the first partition 2 is arranged vertically, and the cleaning area and the air-drying area are respectively located on both sides of the first partition 2; one end of the first liquid connecting head 43 is located inside the box body 1, and the other end is located outside the box body 1, and the first liquid valve 44 is arranged at the upper part of the end of the first liquid connecting head 43 located outside the box body 1.

[0032] Preferably, the continuous flow analyzer pipeline cleaning device also includes a second cleaning component; a second partition 3 perpendicular to the first partition 2 is provided in the box body 1; the second partition 3 divides the cleaning area to form a second liquid storage chamber 5; the second cleaning component includes a second pump 51, a second liquid dispensing tube 52, multiple second liquid connectors 53 and multiple second liquid valves 54; the second pump 51 is arranged in the second liquid storage chamber 5; the liquid outlet of the second pump 51 is connected to the inlet end of the second liquid dispensing tube 52, and the outlet end of the second liquid dispensing tube 52 is respectively connected to multiple second liquid connectors 53; the second liquid connector 53 is passed through the box body 1 for connecting to the analysis pipeline of the continuous flow analyzer; the second liquid connector 53 and the second liquid valve 54 correspond one to one, and the second liquid valve 54 is arranged at the corresponding second liquid connector 53.

[0033] Specifically, the second partition 3 is arranged horizontally, and the first liquid storage chamber 4 is located on the upper side of the second liquid storage chamber 5; the first liquid storage chamber 4 and the second liquid storage chamber 5 are respectively used to accommodate different cleaning liquids; one end of the second liquid connecting head 53 is located inside the box body 1, and the other end is located outside the box body 1, and the second liquid valve 54 is arranged at the upper part of the end of the second liquid connecting head 53 located outside the box body 1.

[0034] Preferably, the continuous flow analyzer pipeline cleaning device also includes a third cleaning component; the second partition divides the cleaning area to form a third liquid storage chamber 6; the third cleaning component includes a third pump 61, a third liquid dispensing tube 62, multiple third liquid connectors 63 and multiple third liquid valves 64; the third pump 61 is arranged in the third liquid storage chamber 6; the liquid outlet of the third pump 61 is connected to the inlet end of the third liquid dispensing tube 62, and the outlet end of the third liquid dispensing tube 62 is respectively connected to multiple third liquid connectors 63; the third liquid connector 63 is arranged in the box body 1 for connecting to the analysis pipeline of the continuous flow analyzer; the third liquid connector 63 corresponds one-to-one to the third liquid valve 64, and the third liquid valve 64 is arranged at the corresponding third liquid connector 63.

[0035] Specifically, the number of the second partitions 3 is 2, and the two second partitions 3 are arranged horizontally, the first liquid storage chamber 4 is located on the upper side of the second liquid storage chamber 5, and the third liquid storage chamber 6 is located on the lower side of the second liquid storage chamber 5; the first pump 41 and the second pump 51 are respectively arranged on the two second partitions 3, and the third pump 61 is arranged on the inner bottom wall of the box body 1; one end of the third liquid connecting head 63 is located inside the box body 1, and the other end is located outside the box body 1, and the third liquid valve 64 is arranged at the upper part of the end of the third liquid connecting head 63 located outside the box body 1.

[0036] Specifically, the first liquid storage chamber 4, the second liquid storage chamber 5, and the third liquid storage chamber 6 are respectively used to accommodate different cleaning liquids. In this embodiment, the first liquid storage chamber 4 is used to accommodate deionized water, the second liquid storage chamber 5 is used to accommodate acidic cleaning liquid, and the third liquid storage chamber 6 is used to accommodate alkaline cleaning liquid.

[0037] Preferably, the number of the first liquid connector 43, the second liquid connector 53, the third liquid connector 63 and the gas connector 73 is the same, and the first liquid connector 43, the second liquid connector 53, the third liquid connector 63 and the gas connector 73 are all vertically arranged on the same side wall of the box body 1.

[0038] The number of the first liquid connector 43, the second liquid connector 53, the third liquid connector 63 and the gas connector 73 is consistent with the number of the analysis pipes and corresponds one to one. In this embodiment, the number of the first liquid connector 43, the second liquid connector 53, the third liquid connector 63 and the gas connector 73 is 5; the first liquid connector 43, the second liquid connector 53, the third liquid connector 63 and the gas connector 73 are all vertically arranged on the front side of the box body 1.

[0039] Preferably, the plurality of first liquid connectors 43 are distributed at equal distances along a straight line; the plurality of second liquid connectors 53 are distributed at equal distances along a straight line; the plurality of third liquid connectors 63 are distributed at equal distances along a straight line; and the plurality of gas connectors 73 are distributed at equal distances along a straight line.

[0040] Specifically, the first liquid connector 43 , the second liquid connector 53 , and the third liquid connector 63 are all horizontally distributed along a straight line, and the gas connector 73 is vertically distributed along a straight line.

[0041] Preferably, the box body 1 is provided with a first liquid inlet 45, a second liquid inlet 55 and a third liquid inlet 65; the first liquid inlet 45 is arranged in the first liquid storage chamber 4, the second liquid inlet 55 is arranged in the second liquid storage chamber 5, and the third liquid inlet 65 is arranged in the third liquid storage chamber 6.

[0042] The first liquid inlet 45, the second liquid inlet 55, and the third liquid inlet 65 are respectively used to add different cleaning liquids. In this embodiment, the first liquid inlet 45 is used to add deionized water to the first liquid storage chamber 4, the second liquid inlet 55 is used to add an acidic cleaning liquid to the second liquid storage chamber 5, and the third liquid inlet 65 is used to add an alkaline cleaning liquid to the third liquid storage chamber 6.

[0043] Specifically, the first liquid inlet 45 is located at the upper portion of the first liquid storage chamber 4, the second liquid inlet 55 is located at the upper portion of the second liquid storage chamber 5, and the third liquid inlet 65 is located at the upper portion of the third liquid storage chamber 6. Furthermore, the first liquid inlet 45, the second liquid inlet 55, and the third liquid inlet 65 are all provided with sealing covers. Furthermore, the lower portions of the first liquid storage chamber 4, the second liquid inlet 5, and the third liquid storage chamber 6 are all provided with liquid outlets, each of which is equipped with a liquid outlet valve.

[0044] Preferably, one end of the first liquid inlet 45 close to the outer wall of the box body 1 is higher than one end of the first liquid inlet 45 close to the inner wall of the box body 1; one end of the second liquid inlet 55 close to the outer wall of the box body 1 is higher than one end of the second liquid inlet 55 close to the inner wall of the box body 1; one end of the third liquid inlet 65 close to the outer wall of the box body 1 is higher than one end of the third liquid inlet 65 close to the inner wall of the box body 1.

[0045] Specifically, the first liquid inlet 45 , the second liquid inlet 55 and the third liquid inlet 65 are all arranged at an angle to facilitate the addition of cleaning liquid and to prevent the cleaning liquid from flowing out when the cleaning liquid is added.

[0046] Preferably, a plurality of air inlets 75 are provided on the side wall of the box body 1 .

[0047] Specifically, the air inlet 75 is a long strip-shaped air inlet, the air inlet 75 is horizontally arranged, and a plurality of the air inlets 75 are distributed in the vertical direction; the air inlet 75 is arranged on a side of the box body 1 away from the gas connection head 73.

[0048] Preferably, a handle 11 is provided on the top of the box 1; support legs 12 are provided at the four corners of the bottom of the box 1. Specifically, the handle 11 is provided in the middle of the top wall of the box 1; and the bottoms of the support legs 12 are provided with anti-slip pads.

[0049] Preferably, the continuous flow analyzer pipeline cleaning device further includes a controller 8 ; the controller 8 is disposed on a side wall of the housing 1 ; the controller 8 is communicatively connected to the first pump 41 , the second pump 51 , the third pump 61 , and the fan 71 . The controller 8 can control the first pump 41 , the second pump 51 , the third pump 61 , and the fan 71 to operate separately to clean and dry the analysis pipelines of different continuous flow analyzers, thereby greatly improving the cleaning efficiency of the analysis pipelines of the continuous flow analyzer.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made based on the contents of the present invention specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A continuous flow analyzer pipeline cleaning device, characterized in that: The invention comprises a box body (1), a first cleaning component and an air-drying component; a first partition (2) is provided in the box body (1) to separate the box body (1) into a cleaning area and an air-drying area (7) isolated from each other; a first liquid storage chamber (4) is formed in the cleaning area, and the first liquid storage chamber (4) is provided with the first cleaning component; the first cleaning component comprises a first pump (41), a first liquid dispensing pipe (42), a plurality of first liquid connectors (43) and a plurality of first liquid valves (44); the first pump (41) is provided in the first liquid storage chamber (4); the liquid outlet of the first pump (41) is connected to the inlet end of the first liquid dispensing pipe (42), and the outlet end of the first liquid dispensing pipe (42) is respectively connected to the plurality of first liquid connectors (43); the first liquid connector (43) is provided in the box body (1) for connecting to a continuous flow analysis system. The analytical pipeline of the instrument; the first liquid connector (43) corresponds to the first liquid valve (44) one by one, and the first liquid valve (44) is arranged at the corresponding first liquid connector (43); the air drying component includes a fan (71), an air distribution pipe (72), a plurality of gas connectors (73) and a plurality of gas valves (74); the fan (71) is arranged in the air drying area; the air outlet of the fan (71) is connected to the inlet end of the air distribution pipe (72), and the outlet end of the air distribution pipe (72) is respectively connected to the plurality of gas connectors (73); the gas connector (73) is arranged in the box (1) to be connected to the analytical pipeline of the continuous flow analyzer; the gas connector (73) corresponds to the gas valve (74) one by one, and the gas valve (74) is arranged at the corresponding gas connector (73).

2. The continuous flow analyzer pipeline cleaning device according to claim 1, characterized in that: The invention also includes a second cleaning component; a second partition (3) perpendicular to the first partition (2) is provided in the box body (1); the second partition (3) divides the cleaning area into a second liquid storage chamber (5); the second cleaning component includes a second pump (51), a second liquid dispensing pipe (52), a plurality of second liquid connectors (53) and a plurality of second liquid valves (54); the second pump (51) is provided in the second liquid storage chamber (5); the liquid outlet of the second pump (51) is connected to the inlet end of the second liquid dispensing pipe (52), and the outlet end of the second liquid dispensing pipe (52) is respectively connected to the plurality of second liquid connectors (53); the second liquid connector (53) is provided in the box body (1) for connecting to the analysis pipeline of the continuous flow analyzer; the second liquid connector (53) and the second liquid valve (54) correspond one to one, and the second liquid valve (54) is provided at the corresponding second liquid connector (53).

3. The continuous flow analyzer pipeline cleaning device according to claim 2, characterized in that: The invention also includes a third cleaning component; the second partition separates the cleaning area to form a third liquid storage chamber (6); the third cleaning component includes a third pump (61), a third liquid dispensing tube (62), a plurality of third liquid connectors (63) and a plurality of third liquid valves (64); the third pump (61) is arranged in the third liquid storage chamber (6); the liquid outlet of the third pump (61) is connected to the inlet end of the third liquid dispensing tube (62), and the outlet end of the third liquid dispensing tube (62) is respectively connected to the plurality of third liquid connectors (63); the third liquid connector (63) is arranged in the box body (1) to be connected to the analysis pipeline of the continuous flow analyzer; the third liquid connector (63) corresponds to the third liquid valve (64) one by one, and the third liquid valve (64) is arranged at the corresponding third liquid connector (63).

4. The continuous flow analyzer pipeline cleaning device according to claim 3, characterized in that: The number of the first liquid connector (43), the second liquid connector (53), the third liquid connector (63) and the gas connector (73) is the same, and the first liquid connector (43), the second liquid connector (53), the third liquid connector (63) and the gas connector (73) are all vertically arranged on the same side wall of the box body (1).

5. The continuous flow analyzer pipeline cleaning device according to claim 3, characterized in that: The plurality of first liquid connectors (43) are distributed at equal distances along a straight line; the plurality of second liquid connectors (53) are distributed at equal distances along a straight line; the plurality of third liquid connectors (63) are distributed at equal distances along a straight line; and the plurality of gas connectors (73) are distributed at equal distances along a straight line.

6. The continuous flow analyzer pipeline cleaning device according to claim 3, characterized in that: The box body (1) is provided with a first liquid inlet (45), a second liquid inlet (55) and a third liquid inlet (65); the first liquid inlet (45) is arranged in the first liquid storage chamber (4), the second liquid inlet (55) is arranged in the second liquid storage chamber (5), and the third liquid inlet (65) is arranged in the third liquid storage chamber (6).

7. The continuous flow analyzer pipeline cleaning device according to claim 6, characterized in that: One end of the first liquid inlet (45) close to the outer wall of the box body (1) is higher than one end of the first liquid inlet (45) close to the inner wall of the box body (1); one end of the second liquid inlet (55) close to the outer wall of the box body (1) is higher than one end of the second liquid inlet (55) close to the inner wall of the box body (1); and one end of the third liquid inlet (65) close to the outer wall of the box body (1) is higher than one end of the third liquid inlet (65) close to the inner wall of the box body (1).

8. The continuous flow analyzer pipeline cleaning device according to claim 1, characterized in that: The side wall of the box body (1) is provided with a plurality of air inlets (75).

9. The continuous flow analyzer pipeline cleaning device according to claim 1, characterized in that: A handle (11) is provided on the top of the box body (1); and supporting legs (12) are provided at the four corners of the bottom of the box body (1).

10. The continuous flow analyzer pipeline cleaning device according to claim 3, characterized in that: It also includes a controller (8); the controller (8) is arranged on a side wall of the box body (1); the controller (8) is communicatively connected to the first pump (41), the second pump (51), the third pump (61) and the fan (71).

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