CN2895435Y - Oxygen pressure leaching-out pressurizing kettle - Google Patents

Abstract

The utility model is a new oxygen-pressure-leaking pressure reactor which comprises a boiler body and a stirring device. The critical point lies in that a removable bent pipe group is provided inside the boiler. The bent pipe group, consisting of a plurality of bent pipes, is in helix. The bent pipes are connected with each other through the flanges. The boiler body is provided with a bracket on which the bent pipes are fixed through connectors, making it convenient for the installation and the removal of the bent pipes. Thus the utility model is suitable to the operation demand in the real process.

Description

A kind of oxygen is pressed and is leached autoclave

Technical field

The utility model relates to metallurgy industry oxygen and presses leaching main equipment---horizontal autoclave.

Background technology

At present, metallurgy industry oxygen presses the leaching main equipment to adopt " horizontal mechanical stirring autoclave " usually, is called for short " horizontal autoclave ".Its principle of work is: ore pulp enters from an end of still, enters next chamber by overflow by a Room, discharges from the other end of still, makes pressurization leach operation and has realized operate continuously.Join a cover whipping appts on each compartment, and ore pulp is stirred owing to the rotation of stirring rake in the still, under the effect of temperature, pressure and acidity, Gu a series of gas-liquid-triphasic chemical reaction takes place.By the stirring action of stirring rake, promote the medium contact, accelerated speed of response, required metal is leached as early as possible, enter solution, impurity is then stayed in the finishing slag, reaches the purpose that selectivity leaches.

The oxygen of China's metallurgy industry is pressed and how is leached horizontal autoclave so that steel+lead (or glass reinforced plastic or rubber) sealing coat+the heatproof acid resisting brick is the main raw of kettle.

The shortcoming of this structure is:

Owing to use the heatproof acid resisting brick to do preservative coat, make autoclave thick and heavy huge;

Because the restriction of the lining-up of heatproof acid resisting brick and sealing coat small pieces of cloth used for patches condition, large-scale, ultra-large type still that small-sized still of can't manufacturing laboratory using and heavy construction are used;

The heatproof acid resisting brick easily produces fracture and peels off under the alternating temperature-changing effect;

Both at home and abroad the specification of quality that leaches product is improved greatly, the heatproof acid resisting brick can discharge calcium, magnesium ion under high temperature, pressurization, highly acid environment, reduce product purity.

In addition, the main components coil pipe of kettle inside is structure as a whole in the prior art, and this coil pipe group is subject to the size of kettle inlet, and its diameter must be less than the diameter of kettle mouth, so in actually operating, cause installation, dismounting inconvenience.

The utility model proposes a kind of novel oxygen and presses leaching autoclave pressure structure at the prior art deficiency.

The utility model content

In order to improve the defective of existing autoclave pressure, oxygen of the present utility model is pressed the leaching autoclave to provide a kind of novel oxygen to press and is leached the horizontal autoclave of titanium-steel composite board, this autoclave inner coil pipe is a demountable structure, and specifically: the technical solution adopted in the utility model is as described below:

A kind of oxygen is pressed and is leached autoclave, adopts kettle to roll with titanium steel composite board and is welded, and includes kettle, whipping appts, coil pipe group and oxygen hose, and its technical essential is:

This coil pipe group is made up of some coil pipes;

Connect by flange between each coil pipe;

Be provided with support in this kettle, this coil pipe group is fixed on the still inner support by web member.

The radian of described coil pipe is 240 degree;

Described kettle inside is provided with some dividing plates, and this dividing plate height is less than the kettle height, and successively decreases successively, and this kettle is divided into some compartments, and each compartment is provided with a cover whipping appts;

Described autoclave body bottom is provided with erosion control titanium plate;

Described web member is a U-bolt;

Described U-bolt inboard is provided with packing ring;

The outer bolt of described support has baffle plate;

Described autoclave body bottom is connected with saddle support, and wherein a saddle support is a shifting bearing.

Described kettle is the titanium-steel composite board structure.

The beneficial effect that reaches by the technical solution of the utility model is: the coil pipe in this autoclave pressure is detachable coil pipe, and the restriction that it is not subjected to kettle inlet size can make things convenient for installation and removal, adds supporting structure in still, strengthens the stability of internal structure.Bolt baffle plate on the support improves stirring efficiency in the time of flow-disturbing.

Description of drawings

Fig. 1 presses the structural representation that leaches autoclave for the utility model oxygen;

Fig. 2 is the cut-away view of kettle in the utility model;

Fig. 3 is inside R-R ' the directional profile figure of kettle in the utility model;

Fig. 4 is the structural representation one of coil pipe in the utility model;

Fig. 5 is the structural representation two of coil pipe in the utility model;

The scheme of installation of coil pipe group in Fig. 6 the utility model;

The scheme of installation of oxygen hose in Fig. 7 the utility model.

Embodiment

The utility model is an example with two sections autoclaves of Φ 1600mm * 3800mm, introduce oxygen of the present utility model and press leaching autoclave pressure structure, this still is that a kind of oxygen is pressed the horizontal autoclave of leaching titanium-steel composite board, as shown in Figure 1, this oxygen press leach the horizontal autoclave of titanium-steel composite board include kettle 2, these kettle 2 inside are provided with dividing plate 5, these dividing plate 5 height are less than the kettle height, and successively decrease successively, this kettle 2 is divided into three compartments by dividing plate 5, and each compartment top vertically is equiped with whipping appts 1.

And, shown in figure, in order to be fit to arts demand, the oblique upper of this kettle is provided with two porthole S, S ', each compartment below of this kettle is provided with slag-drip opening 6, in addition, also is provided with on the kettle, opening for feed, discharge port, thief hole, relief valve port, steam steam drain, air water separator return port, liquidometer mouth, thermometer mouth, pressure tap (indicating one by one among the figure).

Specifically: it is to roll into the cylinder that internal diameter is φ 1600mm with titanium steel composite board that the utility model oxygen is pressed the kettle 2 that leaches the autoclave structure, the long 3800mm of straight section, and two ends are normal ellipsoidal head.These kettle 2 material therefors are titanium steel composite board.Wherein basic unit's steel plate materials is 16MnR, and the titanium composite material is a titanium.The main body of this kettle 2 is lying on two saddle supports 7, and one of them saddle support 7 ' is a shifting bearing, is beneficial to kettle 2 because of the flexible needs of temperature variation, and the kettle internal partition is the 50mm setting of successively decreasing from feed end to discharge end dividing plate height.

As Fig. 2, shown in Figure 3, of the present utility model focusing on: evenly be provided with four pack supports 21 in each compartment of this autoclave pressure, setting is centrosymmetric, this support 21 is to be made of kettle support 211 and intermediate support 212, this kettle support 211 is welded in the upper and lower end of kettle, this kettle support, intermediate support are vertical 90 degree bending plate structures, and this intermediate support connects on the kettle support by screw L, forms stable the connection; Be equiped with coil pipe group 3 and oxygen hose 4 on this support 2, this coil pipe group 3 is a spirane structure.

And, as Fig. 4, shown in Figure 5, structural representation for described coil pipe, described coil pipe group 3 is made up of some coil pipes 3 ', each coil pipe links to each other by flange L, the radian of each standard coil pipe 3 ' is 240 degree, these number of degrees are at the diameter of having considered the maximum inlet of kettle, and set under the situation of each section coil pipe longitudinal pitch, each section coil pipe 3 ' conflicts with flange mutually for fear of flange in the process of combination, reduces the longitudinal pitch between coil pipe and the coil pipe, so these number of degrees are set to 240 degree, the setting of these number of degrees can avoid the coil pipe longitudinal pitch excessive, can increase the length of coil pipe.

As shown in Figure 6, be the scheme of installation of this coil pipe group 3 at kettle 2, as shown in the figure, this coil pipe group 3 is installed on the interior intermediate support 212 of still, the major function of this spiral coil cooling tube 3 is in order to control the temperature of chemical reaction in the still, and this spiral coil cooling tube 3 is round stirring region, round stir shaft 15, these spiral coil cooling tube 3 upper ends are extended two sections extension tube attached 31 respectively, with make things convenient for cooling fluid into and out of.In order to guarantee that spiral coil cooling tube 3 does not seethe with ore pulp and shakes, every circle coil pipe 90 degree at interval promptly is fixed on the interior support of still with a U-bolt 8, and in support 212 arranged outside one baffle plate 22 is arranged, and has improved stirring efficiency in the time of flow-disturbing.In addition, in this autoclave body bottom, the whipping appts below is provided with an erosion control titanium plate 9 relatively, prevents that ore pulp from directly washing away the titanium coating of kettle, prolongs the work-ing life of equipment, simultaneously as supporting fixed dam at the bottom of the still.

As described in Figure 7, this is the local enlarged diagram of oxygen hose, this oxygen hose 4 is made up of an extension tube attached 41 and bending tube 42, this extension tube attached 41 is connected snap close 43 with bending tube 42 by one and connects, the bottom is installed on the bottom kettle support 211 by lower support 44, be fixed on the intermediate support 212 by upper support 45, and extension connects an extension tube attached 41, until the kettle outer end, in reaction process, be blown into oxygen perpendicular to stirring axis, oxygen disperses rapidly and participates in chemical reaction under the stirring of stirring rake 19.

The actual use in the operation, ore pulp enters from the opening for feed of still, enter next chamber by overflow by a Room, ore pulp is stirred owing to the rotation of stirring rake in the still, under the effect of temperature, pressure and acidity, Gu a series of gas-liquid-triphasic chemical reaction takes place, required metal is leached as early as possible, enter solution, discharge from the other end discharge port of still at last, impurity is then stayed in the finishing slag, reaches the purpose that selectivity leaches.

As mentioned above, the utility model provides a kind of preferable autoclave structure, it is thick and heavy huge and be subjected to heatproof acid resisting brick lining-up conditionality can not make problem small-sized or large-scale, the ultra-large type autoclave to have solved prior art, avoided also simultaneously that the heatproof acid resisting brick comes off, the defective of fracture and calcium, magnesium ion polluted product, so offer the application of novel patent in accordance with the law; Yet, above implementation and graphic shown in, be the utility model preferred embodiment, be not to limit to the utility model with this, therefore, be similar to, duplicate with structure of the present utility model, device, feature etc. such as, all should belong to of the present utility model founding within purpose and the claim.

Claims (10)

1, a kind of oxygen is pressed and is leached autoclave, includes kettle, whipping appts, coil pipe group and oxygen hose, it is characterized in that:

This coil pipe group is a spirane structure;

This coil pipe group is made up of some coil pipes, connects by flange between each coil pipe;

Be provided with support in this kettle, this coil pipe group is fixed on the still inner support by web member.

2, oxygen as claimed in claim 1 is pressed and leached autoclave, it is characterized in that: the radian of this coil pipe is 240 degree.

3, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this kettle inside is provided with some dividing plates, and this dividing plate height is less than the kettle height, and successively decreases successively, and this kettle is divided into some compartments, and each compartment is provided with a cover whipping appts.

4, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this autoclave body bottom is provided with erosion control titanium plate.

5, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this web member is a U-bolt.

6, oxygen as claimed in claim 5 is pressed and is leached autoclave, and it is characterized in that: this U-bolt inboard is provided with packing ring.

7, oxygen as claimed in claim 1 is pressed and leached autoclave, it is characterized in that: the outer bolt of this support has baffle plate.

8, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this autoclave body bottom is connected with saddle support, and wherein a saddle support is a shifting bearing.

9, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this kettle is the titanium-steel composite board structure;

10, oxygen as claimed in claim 1 is pressed and is leached autoclave, and it is characterized in that: this oxygen hose is installed on the kettle inner support.

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