CN204882337U - A probe for $monitoring industry water environmental unit corrodes - Google Patents

Abstract

The utility model relates to a probe for $monitoring industry water environmental unit corrodes mainly solves the problem of the corrosion behavior of unable monitoring metal material under the true environment among the prior art. The utility model discloses an adopt a probe for $monitoring industry water environmental unit corrodes, including " comb form " electrode, solid reference electrode, at least two " comb form " electrodes alternate each other, and two at least solid reference electrode are located " comb form " electrode next door and each other contactless, " broach " figure of " comb form " electrode for being greater than 2 integer, every " comb form " electrode and solid reference electrode's lower extreme is connecting wire respectively, the inside no cavity of probe is filled by the filler material, and the technical scheme that the filler material outside was equipped with the shell has solved above -mentioned problem betterly, can be used to monitor in the corruption of industry water environmental unit.

Description

For monitoring the probe of service water environmental unit corrosion

Technical field

The utility model relates to a kind of probe for monitoring the corrosion of service water environmental unit.

Background technology

At the field of industrial production such as petrochemical complex, Coal Chemical Industry, cause because of equipment corrosion the thing of its damage of facilities often to have generation, even cause serious burst accident.And the corrosion of commercial unit often causes plant downtime, this not only can reduce production efficiency, also can cause great economic loss.If take in time effectively to corrode monitoring online in advance, understand equipment corrosion destructiveness, take effective science to protect, optimized production process etc., thus enhance productivity, Accident prevention occurs, to safety in production important in inhibiting.

To service water environmental unit corrosion monitoring, conventional traditional method such as acoustic sounding, spot thickness measurement, chemical analysis, corrosion coupon weightlessness, erosion profile analysis, bypass test tube method both at home and abroad, but these methods can not provide the timely situation of equipment and materials corrosion.At present, domestic and international employing electrochemical techniques (as: resistance probe, cyclic voltammetry, polarization curve technology, interchange resistance) carry out monitoring in real time online to the corrosion of water environment equipment, such as Wang Jia (Chinese patent CN2466634Y) invention atmospheric corrosion wet time sensor, the pipeline soil sensor that the people such as Yang Jinglin (Chinese patent CN201697859U) invent; The people such as Cao Jieyu (Chinese patent CN1590981) make the etch state of probe monitoring heat-exchange tube by the material identical with heat-exchange tube; Together with hanging slice method can be applied in electric-resistivity method by the on-line corrosion monitoring probe that the people such as Miao Jian (Chinese patent CN201060160) make; The people such as Guo Xingpeng (Chinese patent CN102128784A) etc. have invented the information that couple electrochemical noise corrosion monitoring probe can obtain metal local corrosion delicately; But these electrochemical methods all cannot simultaneously for monitoring the more fully information of the corrosion electrochemistry parameter such as corrosion potential, corrosion current, polarization resistance, AC impedance of service water environmental unit.Although the people such as Lin Changjian (Chinese patent CN103149146A) invent a kind of Multifunctional corrosion probe for monitoring commercial unit corrosion can monitor multiple Electrochemistry Information simultaneously, due to its center probe area restriction, only local corrosion information can be provided.

Utility model content

Technical problem to be solved in the utility model is the problem cannot monitoring the corrosion behavior of metal material under true environment in prior art, provides a kind of probe for monitoring the corrosion of service water environmental unit newly.This probe, for monitoring in the corrosion of service water environmental unit, has the advantage can monitoring the corrosion behavior of metal material under true environment.

For solving the problem, the technical solution adopted in the utility model is as follows: a kind of probe for monitoring the corrosion of service water environmental unit, it is characterized in that comprising " comb shape " electrode, solid reference electrode, at least two " comb shape " electrodes intert mutually, at least two solid reference electrodes are positioned at " comb shape " electrode side and are not in contact with each other, " comb " number of described " comb shape " electrode be greater than 2 integer, each " comb shape " electrode is connected wire respectively with the lower end of contrast electrode, described probe is inner without cavity, be filled material to fill, shell is provided with outside packing material, between " comb shape " electrode, between wire, each electrode and between wire with shell, each electrode is except being equipped with insulating material except the wire be connected and between other wires, each electrode and wire all not with housing contacts, the width B of " comb " of described " comb shape " electrode is 1 ~ 4mm, the length A of " comb " is 10 ~ 60mm, distance C between adjacent " comb " is 1 ~ 5mm, contrast electrode controls at 0.5 ~ 2mm with the spacing D of " comb shape " electrode, and solid reference electrode diameter E is 0.5 ~ 2mm.

In technique scheme, preferably, described shell shape is upper and lower both ends open tubular structure.

In technique scheme, preferably, the upper surface of described " comb shape " electrode and solid reference electrode will be exposed to outside packing material, and the lower surface of described " comb shape " electrode and solid reference electrode is packaged in packing material.

The utility model electrode probe has conventional electrodes and to pop one's head in attainable function, can also the better corrosion behavior of monitoring metal material under true environment.This probe not only can apply the true etch state of the multiple electrochemical measuring technology on-line real time monitoring service water environmental units such as polarization resistance, AC impedance, condition of constant Current step, steady non uniform flow, weak polarization, assess the etch state of the commercial unit in producing in real time all sidedly, and manufacturing process is simple and convenient, achieve good technique effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of probe described in the utility model.

Fig. 2 is the vertical view of probe described in the utility model.

In Fig. 1 or Fig. 2,1-shell; 2-packing material; 3-solid reference electrode; 4-" comb shape " electrode; 5-wire.

Below by embodiment, the utility model is further elaborated, but is not limited only to the present embodiment.

Embodiment

[embodiment 1]

As shown in Figure 1, 2, electrode probe of the present utility model comprises: PVC material or stainless steel or carbon steel or plastics probing shell 1, and shape is upper and lower both ends open tubular structure, according to operating mode, can select pipe or other polygon pipes; Play the packing material 2 of insulating effect for package metals electrode and wire, packing material is epoxy resin; Solid reference electrode 3; Interspersed " comb shape " electrode 4 mutually; Be anchored on the wire 5 on electrode.The comb of cross one another " comb shape " electrode " comb " " length be 10 ~ 60mm (in Fig. 2 length shown in A); width is 1 ~ 4mm (in Fig. 2 width shown in B); the distance between adjacent " comb " is 1 ~ 5mm (in Fig. 2 width shown in C); between contrast electrode and " comb shape " electrode, distance controlling is in 0.5 ~ 2mm (in Fig. 2 distance shown in D), and contrast electrode diameter control is at 0.5 ~ 2mm. (in Fig. 2 E shown in).The upper surface of " comb shape " electrode 4 and solid reference electrode 3 will be unified to be exposed to as workplace outside packing material 2, and the lower surface of " comb shape " electrode 4 and solid reference electrode 3 encapsulates in the inner by packing material 2; One end of wire 5 independently will be connected to each " comb shape " electrode 4 and solid reference electrode 3 lower end, the other end then picks out from the reverse direction of workplace, wire 5 must not be in the same plane with the workplace of " comb shape " electrode 4 and solid reference electrode 3, fully insulate with epoxy resin between other wires that " comb shape " electrode, solid reference electrode and not being attached thereto connects, must not short circuit; Epoxy resin used will ensure that mobility is enough good, guarantees to solidify between rear difference " comb shape " electrode and fixing contrast electrode fully to insulate, and must not leave micropore and gap etc.; Probing shell 1 and also will keep good insulation between " comb shape " electrode 4, solid reference electrode 3 and wire 5.Quantity and the size of " comb shape " electrode 4 can be selected according to actual test conditions, are not limited to the pair of electrodes (but must be more than or equal to a pair) shown in figure, as required can parallel placement multipair " comb shape " electrode; Simultaneously under the prerequisite of handled easily, the size of its workplace also can be selected as required.In addition, the material of " comb shape " electrode can experimentally need to select various metal material, but a pair " comb shape " electrode material must be identical.Contrast electrode is necessary for solid reference electrode, but is not limited to Solid Silver silver chloride reference electrode, and contrast electrode must have enough fastnesses.Under these technical conditions, the Distance geometry contrast electrode between " comb shape " electrode adjacent " comb " according to different modes of operation, can obtain the clearance for insulation requiring distance from the spacing of " comb shape " electrode.Under meticulousr controlled condition, more accurately less spacing can be obtained.The connection of wire 5 should ensure same group of good contact between wire and electrode, keeps the abundant insulation between different group wire and electrode again, must not short circuit.Epoxy resin used in the utility model must have excellent mobility when encapsulating, and guarantees the abundant insulation of solidifying between rear different conductor and metal electrode, must not leave micropore and gap.Protecting sheathing 1 in the utility model is under the prerequisite with some strength, and its material and shape can be selected according to actual condition, are not limited to the shape shown in figure.

Claims (3)

1. one kind for monitor service water environmental unit corrosion probe, it is characterized in that comprising " comb shape " electrode, solid reference electrode, at least two " comb shape " electrodes intert mutually, at least two solid reference electrodes are positioned at " comb shape " electrode side and are not in contact with each other, " comb " number of described " comb shape " electrode be greater than 2 integer, each " comb shape " electrode is connected wire respectively with the lower end of solid reference electrode, described probe is inner without cavity, be filled material to fill, outside packing material, be provided with shell; Between " comb shape " electrode, between wire, each electrode and between wire with shell, each electrode is except being equipped with insulating material except the wire be connected and between other wires, each electrode and wire all not with housing contacts, the width B of " comb " of described " comb shape " electrode is 1 ~ 4mm, the length A of " comb " is 10 ~ 60mm, distance C between adjacent " comb " is 1 ~ 5mm, contrast electrode controls at 0.5 ~ 2mm with the spacing D of " comb shape " electrode, and solid reference electrode diameter E is 0.5 ~ 2mm.

2., according to claim 1 for monitoring the probe of service water environmental unit corrosion, it is characterized in that described shell shape is upper and lower both ends open tubular structure.

3. according to claim 1 for monitoring the probe of service water environmental unit corrosion, it is characterized in that the upper surface of described " comb shape " electrode and Solid Silver/silver chloride reference electrode will be exposed to outside packing material, the lower surface of described " comb shape " electrode and Solid Silver/silver chloride reference electrode is packaged in packing material.