Online water hardness reaction tank

Abstract

The utility model relates to the technical field of water quality on-line monitoring, in particular to an on-line water quality hardness reaction tank which comprises an analysis and auxiliary device, the analysis and auxiliary device is installed in a pipe frame, the pipe frame comprises a frame barrel, an upper cover and a lower bottom, an upper cover and a lower bottom are respectively arranged at the openings at the two ends of the reaction tube and are respectively and detachably connected with the frame barrel. The device has the advantages of simple and firm structure, excellent performance, convenience in disassembly and assembly, low cost for maintaining and replacing accessories and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality online monitoring, in particular to an online water quality hardness reaction pool. Background Art

[0002] At present, most of the reaction pools of online water hardness (alkalinity) analyzers are made of acrylic materials. In order to meet the chemical reaction and detection of water hardness (alkalinity), it is necessary to integrate reagent interface, stirring, flushing, light transmission, titration and other functions in the detection area of ​​the reaction pool. The existing reaction pools are limited by materials and processing technology, and have many shortcomings in processing, detection, chemical reaction, etc.:

[0003] 1. The structure is complex, processing is difficult, the failure rate is high during use, and the cost of repairing and replacing parts is high.

[0004] 2. Low hardness, easy to deform, and low product precision.

[0005] 3. The surface is rough, easy to absorb impurities and difficult to clean.

[0006] 4. Made of acrylic material, it has low transparency, short service life and is not corrosion-resistant.

[0007] 5. There are many dead corners, which is not conducive to uniform reaction and affects the analysis accuracy.

[0008] In order to make the existing online water hardness (alkalinity) analyzer more stable and convenient to use, the above problems need to be solved urgently. Utility Model Content

[0009] The technical problem to be solved by the utility model is to provide an online water hardness reaction pool in view of the above-mentioned technical deficiencies. The utility model adopts a frame barrel and an internal reaction tube to form an analytical reaction pool. The structure is compact and simple. The light source and the sensor are respectively arranged in the frame barrel, which is easier to produce and process, and solves the problems of complex structure, difficult cleaning and unstable use of the existing reaction pool.

[0010] In order to solve the above technical problems, the technical solution adopted by the utility model is: an online water hardness reaction pool, including analysis and auxiliary devices, the analysis and auxiliary devices are installed in a pipe rack, the pipe rack includes a rack barrel and an upper cover and a lower bottom at both ends, a reaction tube with openings at both ends is arranged in the rack barrel, and an upper cover and a lower bottom are respectively arranged at the openings at both ends of the reaction tube, and the upper cover and the lower bottom are respectively detachably connected to the rack barrel.

[0011] To further optimize the technical solution, a light source position and a sensor position are respectively provided on two radially opposite sides of the frame barrel, the reaction tube is a cylindrical structure with openings at both ends, a liquid outlet and a liquid inlet are respectively provided in the upper cover and the lower bottom, and a titration head is provided at the top opening of the reaction tube.

[0012] To further optimize the technical solution, the reaction tube is made of quartz glass.

[0013] To further optimize the technical solution, a notch is provided on one radial side of the frame barrel, the inner side of the notch is connected to the reaction tube, and a window made of transparent material is provided on the outer side of the notch.

[0014] To further optimize the technical solution, a liquid outlet hole is provided on one side of the lower part of the titration head, the liquid outlet hole is radially arranged in the side wall of the tubular titration head, an annular groove is provided on the outer side of the side wall of the titration head, the liquid outlet hole is connected to the annular groove, an O-type rubber ring is sleeved in the annular groove, and the O-type rubber ring is crimped on the outer side of the liquid outlet hole.

[0015] To further optimize the technical solution, annular limiting grooves are respectively provided on the inner sides of the upper cover and the lower bottom relative to each other, and the two ends of the reaction tube are respectively arranged in the limiting grooves on the corresponding sides.

[0016] To further optimize the technical solution, the reaction tube is in the shape of a straight tube with equal diameters at both ends.

[0017] Compared with the prior art, the utility model has the following advantages: 1. Simple and reliable structure, excellent performance, easy disassembly and assembly, low cost for maintenance and replacement of accessories. 2. The main component of the reaction pool is a quartz glass tube of standard specifications, which has a much higher precision than the processed parts, which is conducive to improving the accuracy of the analysis results; 3. The reaction tube is made of quartz glass tube, the surface is very smooth, not easy to adsorb impurities, and very easy to clean; 4. The reaction tube is made of quartz glass, which has high transparency, less light loss, long service life and corrosion resistance; 5. The reaction tube is made of quartz glass tube, without dead corners, the reagents can be fully and quickly mixed evenly, greatly improving the reaction accuracy; 6. The precise control of the titration head can be achieved through the set liquid outlet, annular groove and O-ring to avoid liquid diversion or uncontrolled dripping of stored liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A cross-sectional view of a portion of an embodiment of an online water hardness reaction tank;

[0019] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0020] Figure 3 It is a schematic diagram of an explosion of an online water hardness reaction tank;

[0021] Figure 4 A schematic diagram of one side of an installation position of an online water hardness reaction tank;

[0022] In the figure: 1. rack barrel; 11. light source position; 12. sensor position; 13. notch; 14. installation position; 2. reaction tube; 3. upper cover; 30. limit groove; 31. liquid outlet; 32. sealing gasket; 4. lower bottom; 41. liquid inlet; 42. lower sealing ring; 5. titration head; 50. annular groove; 51. liquid outlet; 52. O-ring; 6. window. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the reference drawings of specific embodiments. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the present invention belongs. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] Combination Figures 1 to 3 As shown, an online water hardness reaction pool includes an analysis and auxiliary device, wherein the analysis and auxiliary device may include any one or more of a light source, a sensor, a stirring device, and a titration head, etc. The analysis and auxiliary device is installed in a tube rack, and the tube rack includes a rack barrel 1 and an upper cover 3 and a lower bottom 4 at both ends. A cylindrical reaction tube 2 with axial openings at both ends is arranged in the rack barrel 1. The reaction tube 2 is a tube with equal diameters at both ends, and the reaction tube 2 is made of quartz glass with equal diameters at both ends. A light source position 11 and a sensor position 12 are arranged oppositely on both radial sides of the rack barrel 1, and a notch 13 is arranged on one radial side of the rack barrel 1. The inner side of the notch 13 is connected to the reaction tube 2, and the outer side of the notch 13 is provided with a window 6 of transparent material. The openings at both axial ends of the frame barrel 1 are respectively covered with an upper cover 3 and a lower bottom 4, a liquid outlet 31 is provided in the upper cover 3, and a liquid inlet 41 is provided in the lower bottom 4, the liquid outlet 31 and the liquid inlet 41 are respectively connected with the openings at both ends of the reaction tube 2, annular limiting grooves 30 are respectively provided on the opposite inner sides of the upper cover 3 and the lower bottom 4, the two ends of the reaction tube 2 are respectively arranged in the limiting grooves 30 on the corresponding sides to achieve the sealing of the end of the reaction tube 2, a lower sealing ring 42 is provided in the limiting grooves 30 corresponding to the lower bottom 4, a sealing gasket 32 ​​is provided between the upper cover 3 and the frame barrel 1, and the lower bottom 4 and the upper cover 3 are respectively fixedly connected to the two ends of the frame barrel 1 by screws.

[0026] The top opening of the reaction tube 2 is provided with a titration head 5, which is arranged in the upper cover 3. Figure 2As shown, a liquid outlet 51 is provided at one side of the lower part of the burette head 5, and the liquid outlet 51 is radially arranged in the side wall of the tubular burette head 5. An annular groove 50 is provided on the outer side of the side wall of the burette head 5, and the liquid outlet 51 is connected to the annular groove 50. An O-type rubber ring 52 is sleeved in the annular groove 50, and the O-type rubber ring 52 is crimped on the outer side of the liquid outlet 51. Figure 4 As shown, a mounting position 14 is provided on the side of the rack barrel 1 away from the viewing window 6, and a plurality of fixing holes for mounting are provided in the mounting position 14.

[0027] When in use, the analytical reaction pool is installed in the online water hardness analyzer, the liquid inlet 41 is the liquid inlet end, the liquid outlet 31 is the liquid outlet end, the indicator is dripped into the reaction tube 2 through the burette head 5, and the color change of the circulating liquid in the reaction tube 2 is detected by setting a light source and a sensor at the light source position 11 and the sensor position 12 respectively. When it needs to be disassembled and cleaned, it is only necessary to separate the upper cover 3 and the lower bottom 4 from the frame barrel 1 respectively, and the reaction tube 2 can be easily taken out. Since the reaction tube 2 is a tubular tube with both ends connected, it is very easy to clean without cleaning dead corners. The upper cover 3 and the lower bottom 4 are both flat blocks, and the cleaning difficulty is also very low.

[0028] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An online water hardness reaction tank, including analysis and auxiliary devices, characterized in that: The analysis and auxiliary device is installed in a tube rack, and the tube rack comprises a rack barrel (1) and an upper cover (3) and a lower bottom (4) at two ends. A reaction tube (2) with openings at both ends is arranged in the rack barrel (1), and the upper cover (3) and the lower bottom (4) are respectively arranged at the openings at both ends of the reaction tube (2), and the upper cover (3) and the lower bottom (4) are respectively connected to the rack barrel (1) in a detachable manner.

2. An online water hardness reaction tank according to claim 1, characterized in that: The frame barrel (1) is provided with a light source position (11) and a sensor position (12) on two radially opposite sides, the reaction tube (2) is a cylindrical structure with openings at both ends, the upper cover (3) and the lower bottom (4) are provided with a liquid outlet (31) and a liquid inlet (41), respectively, and a titration head (5) is provided at the top opening of the reaction tube (2).

3. An online water hardness reaction tank according to claim 1, characterized in that: The reaction tube (2) is made of quartz glass.

4. An online water hardness reaction tank according to claim 3, characterized in that: A notch (13) is provided on one radial side of the frame barrel (1), the inner side of the notch (13) is connected to the reaction tube (2), and a window (6) made of a transparent material is provided on the outer side of the notch (13).

5. An online water hardness reaction tank according to claim 2, characterized in that: A liquid outlet hole (51) is provided on one side of the lower part of the titration head (5), and the liquid outlet hole (51) is radially arranged in the side wall of the tubular titration head (5). An annular groove (50) is provided on the outer side of the side wall of the titration head (5), and the liquid outlet hole (51) is communicated with the annular groove (50). An O-type rubber ring (52) is sleeved in the annular groove (50), and the O-type rubber ring (52) is crimped on the outer side of the liquid outlet hole (51).

6. An online water hardness reaction tank according to claim 1, characterized in that: Annular limiting grooves (30) are respectively provided on the inner sides of the upper cover (3) and the lower base (4) facing each other, and the two ends of the reaction tube (2) are respectively arranged in the limiting grooves (30) on the corresponding sides.

7. An online water hardness reaction tank according to claim 1, characterized in that: The reaction tube (2) is in the shape of a straight tube with equal diameters at both ends.

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