JP4180168B2 - Charged particle sensor in flow current meter device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a charged particle sensor in a flow ammeter device that is used for measuring the degree of contamination by detecting the amount of charged particles in wastewater through an electrode and sending the data to a flow ammeter, for example. Relates to a charged particle sensor in a flow ammeter device that has been devised to facilitate internal cleaning and replacement of parts such as electrodes.
[0002]
[Prior art]
A conventionally known charged particle sensor in this type of flow current meter device is as shown in FIG. That is, the cylinder 51, a rod through hole 52 drilled vertically on the cylinder 51, a piston rod 53 inserted through the rod through hole 52 from above, and a state in which the piston 51 moves up and down by the piston rod 53 are incorporated. The piston 54, a pair of upper and lower platinum wire electrodes 55, 56 provided on the piston moving peripheral surface of the cylinder 51, and a state in which the cylinder 51 communicates with the cylinder 51 and crosses the rod through hole 52 , And a drain hole 59 with a plug 58 provided at the bottom of the cylinder 51, and the piston 54 is moved up and down by an eccentric shaft device 61. there were.
[0003]
[Problems to be solved by the invention]
Since the charged particle sensor in the flow current meter device described in the above prior art has the above-described configuration, that is, a long and integrated configuration, the piston 54 and the electrodes 55 and 56 are soiled by long-term use. It is difficult to perform internal cleaning and replacement of parts such as electrodes, and the work takes a long time.
[0004]
An object of the present invention is to provide a charged particle sensor in a novel flow current meter device that has been devised to eliminate the above-described defects.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the charged particle sensor in the flow ammeter apparatus according to the present invention is separated into upper and lower parts and provided with joints such as screw-type flange joints on the outer peripheries of these upper and lower separation surfaces so as to be combined and re-separable A cylinder having a structure in which a columnar space is formed by providing recesses in the upper and lower separation surfaces or one of the separation surfaces, and the cylinder main body forming body is loaded in the columnar space by performing the above separation / merging operation. An electrode provided with a fitting groove on the inner peripheral surface of the cylinder main body forming body, a rod through hole drilled vertically in the cylinder, and a piston rod inserted through the rod through hole from above And a piston built in the cylinder main body forming body as a state of being moved up and down by a piston rod, and inspection of sewage, vertical water etc. drilled as a state communicating with the cylinder in the cylinder main body forming body Elephant liquid passage holes, but made comprise.
[0006]
【Example】
The embodiment according to the present invention shown in FIGS. 1 to 5 includes a cylinder 1, a rod through hole 2 drilled vertically on the cylinder 1, a piston rod 3 inserted through the rod through hole 2 from above, A piston 4 built in the cylinder 1 as being moved up and down by a piston rod 3, a pair of upper and lower platinum wire electrodes 5, 6 provided on the piston moving peripheral surface of the cylinder 1, and a cylinder 1 And a drain hole 9 with a plug 8 provided at the bottom of the cylinder 1, which is formed in a state communicating with the rod through hole 2 and in a state traversing the rod through hole 2. Thus, the piston 4 moves up and down, and the sensor 10 and the eccentric shaft device 11 are attached to the mounting board 12.
[0007]
The cylinder 1 is separated into upper and lower parts at a position crossing the vertical movement space 14 of the piston 4 and screw-tightened flange joints 15 and 16 are provided on the outer circumferences of the upper and lower separation surfaces so that the cylinder 1 can be combined and re-separated. In addition, upper and lower recesses 17 and 18 are provided on both upper and lower separation surfaces to form a cylindrical space 19, and separately from this, the inner circumferential diameter is slightly lower than the height of the cylindrical space 19. Is formed as a cylinder main portion forming body 20 having the same outer diameter as that of the piston 4 and an outer peripheral diameter equal to the peripheral diameter of the cylindrical space 19, and four surfaces of the cylinder main portion forming body 20 are cut off. When this is viewed from above, it has a rounded square shape, and synthetic resin washers 21 and 22 are applied to the upper and lower surfaces of the cylinder main body forming body 20 to separate them into the cylindrical space 19. Loading by performing a coalescing operation Further, the inner peripheral edges of the upper and lower surfaces of the cylinder main body forming body 20 are cut into L shapes to provide the fitting grooves 23 and 24 for the platinum wire electrodes 5 and 6 and the cylinder main body forming body 20. A vertical concave groove 25 is provided in one flat portion on the outer periphery of the outer peripheral surface, and a wire outlet hole 26 communicating with the electrode fitting grooves 23 and 24 is formed at the upper and lower ends of the bottom surface of the vertical concave groove 25. Wiring holes 28 are respectively opened in the peripheral wall of the space 19.
[0008]
In addition, the eccentric shaft device 11 has a large square hole 31 in the mounting plate 12, and a mounting base 32 such as a motor is disposed outside the square hole 31, and the mounting base 32 is used as a cut edge of the square hole 31. The mounting base 32 is fixed to the mounting base 12 by tightening the upper edge of the overlapping edge and the middle portion of the lower edge with the upper mounting screw 29 and the lower mounting screw 30. The motor 34 with the speed reduction gear device 34 is fixed in a state where the tip of the shaft 35 is located directly above the piston rod 3, and the eccentric ring 36 cannot be rotated on the shaft 35 of the motor 34 by the mounting screw 37 and the key 38. The eccentric ring 36 is connected to a movement direction diverting member 42 comprising an outer ring portion 40 with a bearing 39 and an arm portion 41. The front end of the piston portion 3 and the upper end of the piston rod 3 are connected by the bifurcated portion 43, the connecting shaft 44, the rod end 45, and the snap pin 46, so that the piston rod 3 and the piston 4 are vertically moved by the rotation of the eccentric ring 36. It is intended to reciprocate.
[0009]
In the above embodiment, the upper and lower electrodes are installed in a predetermined place so as to flow the sewage obtained by diverting from the sewage pipe (not shown) from the inlet side to the outlet side of the sewage through hole 7. 5, 6 and a flow current meter device (streaming current detector) are connected, and in this state, the motor 32 is rotated so that the piston 4 is reciprocated up and down, so that the amount of charged particles in the sewage is changed to the electrodes 5, 6 It is made to use for usage, such as sending to a flow ammeter apparatus via a and measuring.
[0010]
And while being used for the above usage, since the piston 4 and the electrodes 5 and 6 and the circumference | surroundings become dirty with dirty water, this is cleaned regularly or irregularly.
[0011]
When this cleaning is performed, the screws of the flanges 15 and 16 are removed to separate the lower half of the cylinder 1, and in this separated state, the cylinder main body forming body 20 and washers 21 and 22 are extracted from the lower half and disassembled. Further, the electrodes 5 and 6 are removed from the cylinder main body forming body 20, so that these and the periphery of the piston 4 are cleaned or parts such as electrodes are exchanged.
[0012]
When the piston rod 3 is removed during cleaning, and it is desired to clean the piston rod 3 as well, both the upper mounting screws 29 are first removed and the lower mounting screws 30 are loosened, and then the mounting base. 32 is rotated to the position indicated by the phantom line in the drawing and the snap pin 46, the connecting shaft 47 and the deflecting member 42 are removed, so that the shaft 35 and the eccentric ring 36 are displaced from directly above the piston rod 3, that is, the piston rod. In this state, the piston rod 3 may be removed and the operation is performed.
[0013]
【The invention's effect】
In the present invention, as described above, the upper and lower separation surfaces are provided with joints such as screw-tight flange joints on the outer periphery of the upper and lower separation surfaces so that they can be combined and re-separated, and the upper and lower separation surfaces or one of the separation surfaces is recessed. A cylinder having a structure in which a columnar space is formed and a cylinder main body forming body is loaded in the columnar space by performing the above-described separation / merging operation and an inner peripheral surface of the cylinder main body forming body are fitted. An electrode fitted with a groove and fitted in the groove, a rod through hole drilled vertically in the cylinder, a piston rod inserted from above into the rod through hole, and a cylinder main body forming body vertically moved by the piston rod It is characterized by comprising a piston built in as a state to be in operation, and a through-hole to be inspected such as sewage, water and sewage formed as a state communicating with the cylinder main body forming body. When the piston, electrode, and other parts and the surroundings become dirty, the lower half is separated to obtain a state corresponding to approximately half the length of the conventional cylinder, and then internally disassembled for internal cleaning. It is possible to exchange parts such as electrodes and electrodes, and has the effect of completely achieving the above defects.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of the present invention.
FIG. 2 is a sectional view taken along line 1A-A in FIG.
FIG. 3 is a cross-sectional view taken along the line 1B-B in FIG.
4 is a cross-sectional view taken along line 1C-C. FIG.
FIG. 5 is a plan view taken along line 1D-D.
FIG. 6 is a sectional view showing a conventional example.
DESCRIPTION OF SYMBOLS 1 Cylinder 2 Rod through-hole 3 Piston rod 4 Piston 5, 6 Electrode 7 Sewage through-hole 8 Plug 9 Drain hole 10 Sensor 11 Eccentric shaft apparatus 12 Mounting board 14 Moving space 15, 16 Flange joint 17, 18 Recess 19 Cylindrical space 20 Cylinder main body forming bodies 21, 22 Synthetic resin washers 23, 24 Fitting groove 25 Recess groove 26 Wire outlet hole 28 Wiring hole 29 Upper mounting screw 30 Lower mounting screw 31 Square hole 32 Mounting base 33 G Device 34 Motor 35 Shaft 36 Eccentric ring 37 Mounting screw 38 Key 39 Bearing 40 Outer ring part 41 Arm part 42 Turning member 43 Bifurcated part 44 Connecting shaft 45 Rod end 46 Snap pin 48 Tightening screw 49 Tightening ring

Claims (1)

The upper and lower separation surfaces are separated by a screw-type flange joint and other joints so that they can be combined and re-separated. And a cylinder configured to load the cylinder main body forming body in the columnar space by performing the above separation / merging operation, and a fitting groove is provided in the inner peripheral surface of the cylinder main body forming body. A fitted electrode, a rod through hole drilled vertically in the cylinder, a piston rod inserted from above into the rod through hole, and a piston built in the cylinder main body forming body as being moved up and down by the piston rod; A charged particle sensor in a flow ampere meter comprising: a sewage formed in a state communicating with a cylinder main body forming body in a cylinder; Over.

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