CN2434312Y

CN2434312Y - Electrolytic tank

Info

Publication number: CN2434312Y
Application number: CN 00245806
Authority: CN
Inventors: 高大明
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-14
Filing date: 2000-08-14
Publication date: 2001-06-13
Anticipated expiration: 2010-08-14

Abstract

The utility model discloses an electrolytic tank, which is used in the desorption electrolytic process of gold-loaded carbon in gold industry, and is composed of an outer casing 2, a tank cover 1, a cathode frame 3, an anode guide tank 4, and an anode plate 41, wherein, the cathode frame 3, the anode guide tank 4, and the anode plate 41 are arranged in the interior; the outer casing 2 and the tank cover 1 are sealed; the structures of a cathode and an anode electrodes are of suspended arrangement. The utility model is characterized in that the outer casing 2 is a stainless-steel outer casing; the traditional inner lining is omitted; thereby, the service life is increased; the maintenance of the inner lining is eliminated; in addition, the distance between the bottom end of the anode plate 41 and the bottom of the guide tank 4 is 20-30 mm; the distances among the bottom of the anode plate 41, the bottom of an electrode material in the cathode frame 3, and the tank bottom are 50-150 mm; the materials of the cathode frame 3 and the guide tank 4 are polypropylene or polytetrafluoroethylene.

Description

Electrolyzer

The utility model relates to the electrolyzer that uses in a kind of gold industry gold loaded carbon desorption electrolytic process.

Electrolyzer (also claiming Winning cell) has roughly experienced three developmental stage in 16 years:

Fs (1984 to 1998) is generally used small-sized uncovered electrolyzer, the electrolyzer material is the relatively poor polyvinyl-chloride plate material of heatproof, therefore working temperature is lower, be no more than 60 ℃, your liquid that desorb produces just can carry out electrolysis after cooling, reducing your liquid temp process with interchanger has wasted a large amount of electric energy, eliminates at present.

Subordinate phase (1986 so far) is generally used semi-enclosed electrolyzer, divide two kinds of forms again, a kind of structure with Chinese patent 95229135.5 electrolyzers is representative, do cell vessel and be provided with the groove lid by carbon steel, do the insulation liner with the better polypropylene board of heatproof, advantage is an electrolyzer physical strength height, and heatproof reaches about 90 ℃, and is non-leakage; Though the structural similitude of another kind shape and Chinese patent 95229135.5 electrolyzers does not have metal shell, shortcoming is the back leakage easy to crack of being heated; The electrolyzer of these two kinds of forms is because can not complete closed, the large quantity of exhaust gas that produces need use induced draft fan to discharge, and has promptly wasted heat energy and has polluted environment again, and especially operationlocation's smell is pungent, be difficult to stand, and electrical equipment, metal are had bigger corrosive nature.

Phase III is used the fully-closed electrolyzer, see Chinese patent 98201286.1, the groove of this electrolyzer covers 1 complete airtight capping, as Fig. 1, Fig. 2, shown in Figure 3, the exhaust of whole desorbing electrolytic system is located at desorb liquid bath place, by self-pressure liquid exhaust in the desorb liquid bath, so free air delivery is very little, and heat-energy losses is very little; Operationlocation does not have exhaust emission simultaneously, reaches the purpose of carrying out production strictly in line with rules and regulations.And this electric tank working temperature reaches 105 ℃, makes the normal pressure desorption electrolytic equipment no longer need interchanger, simplified the desorb electrolysis process, reduced equipment price and desorb cost.

But this electrolyzer still uses polypropylene board as liner 11, use for some time after, owing to the polypropylene board thermal expansion ratio greatly and reason such as aging, the slot liner distortion is big and weld seam is easy to crack, needs scheduled maintenance, influence is used.

The purpose of this utility model provides a kind of long service life, does not need the electrolyzer of scheduled maintenance.

For reaching above-mentioned purpose, the utility model by the following technical solutions:

The utility model adopts the contour structures and the sealed structure of all-sealed electrolyzer, cancel its insulated liner, its shell is used stainless material instead, for guaranteeing the insulation of anode and stainless steel casing, the anode guide groove adopts insulating material, and for the electrolyzer that is operated in below 105 ℃, the anode guide groove is a polypropylene material, for the electrolyzer that is operated in about 150 ℃, the anode guide groove is a tetrafluoroethylene; In order to guarantee negative electrode and stainless steel casing and anodized insulation, negative electrode adds the insulation frame, for the electrolyzer that is operated in below 105 ℃, the negative electrode frame adopts polypropylene, for the electrolyzer that is operated in about 150 ℃, the negative electrode frame material is a tetrafluoroethylene, and negative electrode adopts steel wool negative electrode or carbon fiber negative electrode; For fear of gold mud when bottom land runs up to certain thickness, cloudy, sun the two poles of the earth are not short-circuited and the two poles of the earth all are not short-circuited by gold mud with stainless steel casing, cloudy, sun two very hanging type settings, positive plate is apart from bottom land 50-150mm, end distance bottom land 50-150mm under the negative electrode frame electrode materials, for preventing that your liquid from directly flowing through without electrolysis by bottom land and negative electrode underclearance, add the plate washer that one section insulating material is done in negative electrode frame bottom, this plate washer and bottom land are inconsistent, the solid welding bolt is with the fixed anode guide groove or establish the hole with bolting anode guide groove on cell wall on the cell wall, and with the shutoff of tetrafluoroethylene pad; Positive plate is inserted in the anode guide groove, and its bottom is apart from the big end 20-30mm of anode guide groove; When the bottom of electrolyzer was wedged bottom, cathode and anode can be along with bottom land changes on virtual height, to improve the useful area of electrode; The mode of introducing electric current has two kinds, a kind of is that the conducting metal rod is established the mode and the insulation of electrolyzer cell wall of insulation spacer and sealed in two ends simultaneously by sleeve pipe, another kind is that current conducting rod is welded on the special ring flange, and this ring flange is fastening by the electrode interface ring flange on insulating washer and the cell vessel.

The utility model will be further described below in conjunction with drawings and Examples:

Fig. 1 is the vertical view of No. 98201268.1 patents.

Fig. 2 is that B-B among Fig. 1 is to sectional view.

Fig. 3 is that D-D among Fig. 1 is to sectional view.

Fig. 4 is a vertical view of the present utility model.

Fig. 5 is that D-D among Fig. 4 is to sectional view.

Fig. 6 is that B-B is to sectional view.

Fig. 7 introduces another structural representation of mode for the utility model electric current.

Fig. 8 is the front view of another negative electrode mount structure of the utility model.

Fig. 9 is the vertical view of another negative electrode mount structure of the utility model.

Figure 10 is the left sectional view of another negative electrode mount structure of the utility model.

As Fig. 4, shown in Figure 5, the utility model is by groove lid 1, shell 2, negative electrode frame 3, anode guide groove 4, positive plate 41, and electric current introducing structure 6 constitutes, its the moon, the positive electrode structure is the suspending setting, it is characterized in that, shell 2 is a stainless steel casing, positive plate 41 is inserted in the anode guide groove 4, the bottom of positive plate 41 is 20-30mm apart from the distance from bottom of guide groove 4, the end distance bottom land is 50-150mm under the bottom of positive plate 41 and negative electrode frame 3 electrode materialss, negative electrode frame 3 bottoms are provided with the baffle plate 31 that insulating material is made, baffle plate 31 contacts with bottom land, for working temperature at the electrolyzer below 105 ℃, the material of anode guide groove 4 and negative electrode frame 3 is a polypropylene, and for the electrolyzer of working temperature about 150 ℃, the material of anode guide groove 4 and negative electrode frame 3 is a tetrafluoroethylene; When the bottom land of electrolyzer is wedged bottom, the yin, yang electrode structure on effective height with the changes in pitch of bottom land;

Negative electrode frame 3 of the present utility model has two kinds of shapes, if installing steel wool in it, then be shaped as Fig. 4, shape shown in Figure 5, promptly the negative electrode mount structure with No. 98201286.1 patents is identical, as installing carbon fiber board in it, then structure such as Fig. 8, Fig. 9, shown in Figure 10, it is made up of preceding frame 32 and after-frame 33, forward and backward frame is to be welded by four bar insulation material laths, soldering and sealing has frame 34 between forward and backward

frame

32,33 and arranged on left and right sides, be welded with tray 35 between the downside of forward and backward

frame

32,33, connect carbon fiber board with holder, the centre of negative electrode frame 3 is all saturating empty.

Electric current of the present utility model is introduced structure 6 two kinds, first kind of structure as shown in Figure 6, the sidewall of shell 2 welds a stainless steel tube 61, be provided with insulating bushing 62 in the stainless steel tube 61, electrode importing bolt 63 passes busbar web member 64 and insulating bushing 62 is fastening with nut 65, the two ends of stainless steel tube 61 add teflon insulation packing ring 66, the teflon insulation packing ring 66 outer metal washers 67 that add in addition that groove is outer, and the outer end that electrode imports bolt 63 links to each other with power supply to import electric current; Second kind of structure as shown in Figure 7, the sidewall of shell 2 is welded with a stainless steel tube 71, a ring flange 72 is welded in the groove outer end of stainless steel tube 71, the electrode that is welded with special flange dish 75 imports rod 73 and penetrates stainless steel tube 71, ring flange 731 is inserted in electrode and imports ring flange 72 on rod 73 and the stainless steel tube 71 with bolted, the both sides of special flange dish 75 add teflon insulation packing ring 74 respectively, electrode imports rod 73 a section in stainless steel tube 71 and is arranged with insulating bushing 76, and electrode imports excellent 73 outer ends and power supply and joins and power with the cathode and anode in groove.

For the electrolyzer that is operated in below 105 ℃, weld bolt fixed anode guide groove in the cell wall is to guarantee ne-leakage; For the electrolyzer that is operated in about 150 ℃, establish the hole on the cell wall, pass this hole fixed anode guide groove with bolt, and with the polytetrafluoroethylene gasket shutoff.

The utility model adopts the stainless steel casing structure, has improved work-ing life, has cancelled the use of liner, can avoid consequent liner thermal expansion ratio to reach catabiosis greatly, without scheduled maintenance, does not influence normal use.

Claims

1. electrolyzer, it is introduced structure (6) by groove lid (1), shell (2), negative electrode frame (3), anode guide groove (4), positive plate (41) and electric current and is formed, wherein, the yin, yang electrode structure is unsettled setting, groove lid (1) covers for sealing with shell (2), negative electrode frame (3) and anode guide groove (4) are spaced setting in groove, positive plate (41) is inserted in the anode guide groove (4), negative electrode frame (3) bottom is provided with the baffle plate (31) that insulating material is made, baffle plate (31) contacts with bottom land, it is characterized in that: shell (2) is a stainless steel casing; The bottom of positive plate (41) is 20-30mm apart from the bottom distance of guide groove (4), end distance bottom land 50-150mm under the bottom of positive plate (41) and negative electrode frame (3) inner electrode; The material of anode guide groove (4) and negative electrode frame (3) is polypropylene or tetrafluoroethylene; The structure that electric current is introduced structure (6) is, the sidewall of shell (2) welds a stainless steel tube (61), be provided with insulating bushing (62) in the stainless steel tube (61), electrode importing bolt (63) passes busbar web member (64) and insulating bushing (62) is fastening with nut (65), the two ends of stainless steel tube (61) add teflon insulation packing ring (66), the outer metal washer (67) that adds in addition of teflon insulation packing ring (66) that groove is outer; Establish the hole with bolting anode guide groove (4) on interior weld bolt of shell (2) or the shell (2), the polytetrafluoroethylene gasket sealing is sentenced in the hole.

2. according to the described electrolyzer of claim 1, it is characterized in that: said negative electrode frame (3) is made up of preceding frame (32), after-frame (33), wherein, forward and backward frame is to be welded by four bar insulation material laths, soldering and sealing has between the downside of frame (34), forward and backward frame (32), (33) and is welded with tray (35) between forward and backward frame (32), (33) left and right sides, the pars intermedia of negative electrode frame (3) is empty thoroughly, and the negative electrode frame is equiped with carbon fiber board in (3).

3. according to the described electrolyzer of claim 1, it is characterized in that: said bottom land also can be a wedged bottom, the cathode and anode electrode structure on effective height with the changes in pitch of bottom land.

4. according to the described electrolyzer of claim 1, it is characterized in that: said electric current introducing structure (6) is that the sidewall of shell (2) is welded with a stainless steel tube (71), a ring flange (72) is welded in the groove outer end of stainless steel tube (71), the electrode that is welded with special flange dish (75) imports rod (73) and penetrates stainless steel tube (71), ring flange (731) is inserted in electrode and imports ring flange (72) on rod (73) and the stainless steel tube (71) with bolted, and special flange dish (75) both sides add teflon insulation packing ring (74) respectively.