CN202666863U - Single-wall reaction kettle with safety alarm sensor - Google Patents
Single-wall reaction kettle with safety alarm sensor Download PDFInfo
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- CN202666863U CN202666863U CN2012203066488U CN201220306648U CN202666863U CN 202666863 U CN202666863 U CN 202666863U CN 2012203066488 U CN2012203066488 U CN 2012203066488U CN 201220306648 U CN201220306648 U CN 201220306648U CN 202666863 U CN202666863 U CN 202666863U
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Abstract
The utility model discloses a single-wall reaction kettle with a safety alarm sensor; the single-wall reaction kettle comprises a housing kettle wall, a porous material heat insulation layer, a corrosion resistant layer and a wear resistant layer from outside to inside in sequence, wherein a plurality of partition boards are arranged in the kettle to partition the interior of the kettle into a plurality of reaction chambers; each reaction chamber is provided with a stirring impeller and a speed reduction transmission mechanism; an overflow weir is arranged on each partition board; the heights of these overflow weirs are gradually reduced; a material inlet pipe, a material outlet pipe and an oxygen feeding pipe are arranged on a kettle body; an oxygen feeding pipe is communicated with the interior of each reaction chamber; the plurality of oxygen feeding pipes are communicated with one oxygen supply pipe; the porous material heat insulation layer is communicated with a conducting pipe; and the outer end of the conducting pipe is connected with a pressure detecting alarm device; according to the utility model, as corrosion resistant layer leakage detecting and alarming equipment is arranged, the safety of the reaction kettle in operation under a strong corrosive condition is enhanced; and as the porous material heat insulation layer is clamped between the housing kettle wall and the corrosion resistant layer, good corrosion resistant and heat insulation performance and low manufacturing cost are achieved.
Description
Technical field
The utility model relates to a kind of hydrometallurgical plant, particularly a kind of reactor of gas-liquid-solid reaction.
Background technology
Hydrometallurgy is occupied an leading position in the processing of the raw mineral materials such as rare metal, noble metal, aluminium, nickel and cobalt with in extracting.Reactor is the important consersion unit that hydrometallurgy is produced, such as: application response still widely during Bel's method of the preliminary treatment of hydrometallurgy, refractory gold concentrate and the gold mine of the heavy non-ferrous metal such as zinc, nickel, copper, the leaching of tungsten ore and aluminium oxide is produced.Actual production technique and the operating condition of these metal hydrometallurgys have very big difference, under the condition of heating pressurization, to move but common feature is reactor, operating temperature and pressure are all higher, and flowsheet of slurry agitation has corrasion to the reactor inwall, and reaction medium has corrosivity.Especially in the preliminary treatment of the hydrometallurgy of the heavy non-ferrous metal such as zinc, nickel, copper and refractory gold concentrate and gold mine, the reactor reaction is to carry out under strong acidic condition, in the course of reaction of reactor, need to feed oxygen and carry out oxidation reaction, the oxidation reaction of sulfide mineral produces large calorimetric, sulfuric acid and sulfate, make ore pulp solution be highly acid, under higher oxygen press strip spare, the strongly acidic aqueous solution of heat is very strong to the corrosivity of metal material.Therefore, reactor need to possess five functions: (1) pressure-bearing function, can bear the pressure of reactor operating condition; (2) heat insulation function is to keep the thermal balance of course of reaction; (3) agitating function does not precipitate the solid particle in the ore pulp, and mass transfer and course of reaction are carried out smoothly; (4) function of wear prevention, the wear prevention effect destroys reactor; (5) prevent the function of corroding, prevent that corrosiveness from destroying reactor.
The reactor of hydrometallurgy commercial Application generally has three-decker at present: (1) shell is the shell that bears reactor internal reaction pressure, and namely the pressure-bearing function of reactor is to be born by shell still wall, and shell generally adopts carbon steel or low-alloy steel manufacturing; (2) anticorrosive coat, be arranged in the shell still wall, prevent ore pulp solution contact corrosion reactor shell still wall, the material of anticorrosive coat is different and different because of the difference of processing raw mineral materials and reaction condition, and the material of employing mainly contains stereotype, organic film, stainless steel, titanium plate etc.; (3) Ceramic Tiles inner liner, be arranged at the inboard of anticorrosive coat, this layer has two kinds of functions, the one, as wear-resistant layer prevent ore pulp erosive wear anticorrosive coat (when with break-out materials such as stereotype or organic films during as anticorrosive coat anti-wear function even more important), the 2nd, play a part heat-insulation and heat-preservation as heat-insulation layer, therefore the thickness of Ceramic Tiles layer is the needs design according to insulation, the general thick 230～340mm that reaches.
This structural response still has following shortcoming:
1, the installation of these Corrosion resistant linings and Ceramic Tiles is wasted time and energy, and is easy to the damage that comes off in the actual production, not only produces because the shutdown maintenance impact is normal, and has a strong impact on the anticorrosion security of reactor;
2, Ceramic Tiles directly contacts ore pulp solution, and not only by etch, and heat insulation effect is relatively poor, and needs strengthen the thickness of Ceramic Tiles layer, so that the corresponding increasing of reactor shell needs, has increased the weight of reactor, has improved the cost of reactor;
3, the damaged alarm free device that leaks of the anticorrosive coat of reactor can't find in time that anticorrosive coat leaks, in case the reactor shell is corroded, will cause major accident.
Therefore, be necessary to study between reactor shell and the anticorrosive coat alarm sensor be set, so as when anticorrosive coat to leak can and alarm, and automatically start the security procedure such as decompression cooling, guarantee that reactor operates Operation safety.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist in order to solve existing reactor, and a kind of individual layer still wall reactor that is provided with the security alarm sensor is provided.The utility model improves the security of the reactor that moves under the severe corrosive condition, and makes the structure of reactor more reasonable.
The utility model is to be made of successively from outside to inside shell still wall, porous material heat-insulation layer, anticorrosive coat, wear-resistant layer, be provided with several dividing plates in the still and will be separated into a plurality of reative cells in the still, each reative cell is equipped with agitator arm and reduction gearing mechanism, downflow weir is all arranged on each dividing plate, and the height of these downflow weirs reduces step by step; Kettle is provided with feed pipe, discharge nozzle and oxygen and feeds pipe, all be communicated with an oxygen in each reative cell and feed pipe, many oxygen feed Guan Yuyi root oxygen supply pipe and are communicated with, and the porous material heat-insulation layer is communicated with conducting tube, the outer end Bonding pressure detection alarm device of conducting tube.
Design feature of the present utility model is:
1, the kettle of this reactor is made of four structure sheafs, is followed successively by from outside to inside: outer shell, porous material heat-insulation layer, anticorrosive coat, wear-resistant layer;
2, reactor arranges single layer enclosure, carries out preservative treatment in shell still wall inboard, so that at anticorrosive coat is damaged when leaking unlikely corrosion failure shell still wall in a short time, shell is that bearing course is that the pressure of reactor reaction all reaches shell still wall and bears;
3, the porous material heat-insulation layer is arranged in the reactor shell, be close in the shell still wall or stick in the still wall, the porous material heat-insulation layer plays three kinds of effects, the one, thermal insulation function, with the temperature that keeps the still internal reaction and keep the still wall temperature lower, the 2nd, supporting role, the bearing capacity of shell still wall is conducted to anticorrosive coat, support anticorrosive coat, the 3rd, the effect of conduction gas-liquid pressure, in case during the damaged leakage of anticorrosive coat, high temperature gas-liquid moment in the reactor enters in the porous material heat-insulation layer, this layer hole internal pressure is sharply raise, and pressure reaches rapidly the pressure transmission pipe that is installed in this layer, and the trigger alarm sensor gives the alarm and automatically enters the security procedure of cooling decompression;
4, anticorrosive coat is arranged in the porous material heat-insulation layer, and gas-liquid enters the porous material heat-insulation layer in the isolated reactor, prevents from causing the corrosion of still wall, and anticorrosive coat should adopt good corrosion resistance, large, the wear-resistant material of intensity;
5, wear-resistant layer is arranged in the anticorrosive coat, protection anticorrosive coat destructions that is worn, and it is surperficial that wear-resistant layer is layed in the position that is worn;
6, at still wall perforate setting pressure conducting tube and alarm sensor, the pressure that detects porous insulating layer in the still wall changes, and configuration detection warning device and automatic control system;
The beneficial effects of the utility model are:
1, reactor is provided with anticorrosive coat Leak Detection and warning device, in case when the anticorrosive coat leakage occurs, can in time find and enter the cooling decompression security procedure, guarantees equipment and personal safety, has improved the security of the reactor that moves under the severe corrosive condition;
2, the porous material heat-insulation layer is clipped between shell still wall and the anticorrosive coat, in the situation that do not occur anticorrosive coat leak the porous material heat-insulation layer not with the reaction gas-liquid contact, not by etch, difficult drop-off or collapse, and heat preservation and insulation is good;
3, because the heat preservation and insulation of porous material heat-insulation layer is better than the acid-proof ceramics brick of present commercial Application reactor, so the thickness of porous material heat-insulation layer can suitably reduce, and the specification of reactor shell can correspondingly reduce, and reduces reactor weight and cost.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1-shell still wall; 2-porous material heat-insulation layer; 3-anticorrosive coat; 4-wear-resistant layer; 5-feed pipe; 6-motor; 7-reduction gearing mechanism; 8-power transmission shaft; 9-agitator arm; 10-dividing plate; 11-discharge nozzle; 12-pressure detecting warning device; 13-conducting tube; 14-Yang Qi Give enters pipe; 15-oxygen supply pipe.
The specific embodiment
See also shown in Figure 1, the present embodiment is to be made of successively from outside to inside shell still wall 1, porous material heat-insulation layer 2, anticorrosive coat 3, wear-resistant layer 4, be provided with several dividing plates 10 in the still and will be separated into a plurality of reative cells in the still, each reative cell is equipped with agitator arm 9, power transmission shaft 8 and reduction gearing mechanism 7, on each dividing plate 10 downflow weir is arranged all, the height of these downflow weirs reduces step by step; Kettle is provided with feed pipe 5, discharge nozzle 11 and oxygen and feeds pipe 14, all be communicated with an oxygen in each reative cell and feed pipe 14, many oxygen feeds pipe 14 and is communicated with an oxygen supply pipe 15, porous material heat-insulation layer 2 is communicated with conducting tube 13, the outer end Bonding pressure detection alarm device 12 of conducting tube 13.
When processing raw mineral materials with reactor of the present utility model, the ore pulp material enters first reative cell in the reactor via feed pipe 5.Reactor is provided with several dividing plates 10, on each dividing plate 10 downflow weir is arranged all, the height of these downflow weirs reduces step by step, be that downflow weir on first dividing plate is the highest, the downflow weir of second dividing plate is low, the 3rd downflow weir is low again, reduces so step by step height of weir plate, and last height of weir plate is minimum.The ore pulp of the first reative cell flows into second reative cell through the downflow weir on the dividing plate 10, and the ore pulp of second reative cell flows into the 3rd reative cell again, and ore pulp flows into next reative cell successively in the following reative cell.Begin reaction when ore pulp enters the first reative cell, and each reative cell of flowing through process relaying supervention give birth to reaction, through after last reative cell, flow out reactors via discharge nozzle 11.The needed oxygen process oxygen supply pipe 15 of oxidation reaction and oxygen feed pipe 14 Give and enter each reative cell.Agitator arm 9 in the reative cell makes the solid mineral grain in the ore pulp keep suspended state, makes the abundant disperse of oxygen, increases mass transfer and reaction efficiency.
Reaction chamber wall is protected by wear-resistant layer 4, direct erosive wear anticorrosive coat 3 not in the ore pulp flow process.
In the reactor operation element process, pressure checking device and pressure detecting warning device 12 are in opening all the time, and the pressure that constantly detects in porous material heat-insulation layer 2 holes changes.When in case the leakage of anticorrosive coat 3 occurs, porous material heat-insulation layer 2 inner pore pressure are anxious to be increased, pressure triggers pressure detecting warning device 12 automatic alarms and automatically enters cooling and decompression program through conducting tube 13, to guarantee personnel and miscellaneous equipment safety, the security that has improved the reactor that under the severe corrosive condition, moves.
Claims (2)
1. individual layer still wall reactor that is provided with the security alarm sensor, it is characterized in that: be to be consisted of successively from outside to inside by shell still wall (1), porous material heat-insulation layer (2), anticorrosive coat (3), wear-resistant layer (4), be provided with several dividing plates (10) in the still and will be separated into a plurality of reative cells in the still, each reative cell is equipped with agitator arm (9), power transmission shaft (8) and reduction gearing mechanism (7), each dividing plate all has downflow weir on (10), and the height of these downflow weirs reduces step by step; Kettle is provided with feed pipe (5), discharge nozzle (11) and oxygen and feeds pipe (14), all is communicated with an oxygen in each reative cell and feeds pipe (14), and many oxygen feed pipe (14) and are communicated with an oxygen supply pipe (15).
2. a kind of individual layer still wall reactor that is provided with the security alarm sensor according to claim 1, it is characterized in that: described porous material heat-insulation layer (2) is communicated with conducting tube (13), the outer end Bonding pressure detection alarm device (12) of conducting tube (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203066488U CN202666863U (en) | 2012-06-28 | 2012-06-28 | Single-wall reaction kettle with safety alarm sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203066488U CN202666863U (en) | 2012-06-28 | 2012-06-28 | Single-wall reaction kettle with safety alarm sensor |
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| Publication Number | Publication Date |
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| CN202666863U true CN202666863U (en) | 2013-01-16 |
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| CN2012203066488U Expired - Lifetime CN202666863U (en) | 2012-06-28 | 2012-06-28 | Single-wall reaction kettle with safety alarm sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785341A (en) * | 2014-01-24 | 2014-05-14 | 广州市凯闻食品发展有限公司 | High-efficiency mixed continuous transesterification reactor |
| CN105251428A (en) * | 2015-10-30 | 2016-01-20 | 蓝龙飞 | Reaction kettle |
| CN106222404A (en) * | 2016-09-23 | 2016-12-14 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
| CN110433755A (en) * | 2019-07-29 | 2019-11-12 | 浙江迪邦化工有限公司 | A kind of method and apparatus that serialization prepares diazonium compound |
| CN114976268A (en) * | 2022-06-23 | 2022-08-30 | 洛阳大生新能源开发有限公司 | Preparation facilities of electrolyte for lithium cell production |
-
2012
- 2012-06-28 CN CN2012203066488U patent/CN202666863U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785341A (en) * | 2014-01-24 | 2014-05-14 | 广州市凯闻食品发展有限公司 | High-efficiency mixed continuous transesterification reactor |
| CN103785341B (en) * | 2014-01-24 | 2015-05-13 | 广州市凯闻食品发展有限公司 | Use of reaction tank in mixed continuous transesterification |
| CN105251428A (en) * | 2015-10-30 | 2016-01-20 | 蓝龙飞 | Reaction kettle |
| CN106222404A (en) * | 2016-09-23 | 2016-12-14 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
| CN106222404B (en) * | 2016-09-23 | 2019-04-09 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
| CN110433755A (en) * | 2019-07-29 | 2019-11-12 | 浙江迪邦化工有限公司 | A kind of method and apparatus that serialization prepares diazonium compound |
| CN114976268A (en) * | 2022-06-23 | 2022-08-30 | 洛阳大生新能源开发有限公司 | Preparation facilities of electrolyte for lithium cell production |
| CN114976268B (en) * | 2022-06-23 | 2023-08-29 | 洛阳大生新能源开发有限公司 | Preparation facilities of electrolyte for lithium cell production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |