CN102586596A - Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate - Google Patents
Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate Download PDFInfo
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- CN102586596A CN102586596A CN2012100615524A CN201210061552A CN102586596A CN 102586596 A CN102586596 A CN 102586596A CN 2012100615524 A CN2012100615524 A CN 2012100615524A CN 201210061552 A CN201210061552 A CN 201210061552A CN 102586596 A CN102586596 A CN 102586596A
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- housing
- leach liquor
- leachate
- heat exchanger
- liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a heat exchange device for leachate in a pressure acid leaching treatment process of zinc sulfide concentrate. The heat exchange device comprises a housing, a liquid inlet pipe, a liquid drainage pipe, a preheating pipe and a stirring piece, wherein a reaction cavity is defined in the housing; the liquid inlet pipe is positioned at the upper part of the housing for introducing the leachate into the housing; the liquid drainage pipe is positioned at the lower part of the housing for draining the leachate; one part of the preheating pipe extends into the reaction cavity of the housing for being suitable for introducing a preheated liquid and performing heat exchange with the leachate; and the lower end of the stirring piece extends into the reaction cavity for stirring the leachate in the housing. According to the heat exchange device for the leachate, disclosed by the embodiment of the invention, the leachate can fast achieve the preset temperature, sulfur in the leachate can be transformed from a molten sulfur state to an oblique crystal state, the sulfur-slag separation requirement can be achieved, and the heat exchange device for the leachate can reduce the using amount of boiler steam and save energy consumption.
Description
Technical field
The present invention relates to the nonferrous metallurgy field, especially relate to a kind of heat exchanger that pressurized acid leaching is handled zinc sulfide concentrates technology leach liquor that is used for.
Background technology
Handle in the zinc sulfide concentrates technology at pressurized acid leaching; The temperature that leach liquor ejects in the flash drum is at the 121-135 degree; Sulphur in the liquid is in molten sulphur state, need the leach liquor temperature be reduced to the 80-90 degree and change the oblique crystal state into by sulphur, could satisfy next operation requirement.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose the heat exchanger that a kind of heat exchange obvious results is used for pressurized acid leaching processing zinc sulfide concentrates technology leach liquor.
According to the heat exchanger that pressurized acid leaching is handled zinc sulfide concentrates technology leach liquor that is used for of the embodiment of the invention, comprising: housing limits reaction chamber in the said housing; Liquid-inlet pipe, said liquid-inlet pipe are positioned at the top of said housing to feed leach liquor to said housing; Liquid discharge pipe, said liquid discharge pipe are positioned at said lower part of frame to discharge said leach liquor; Preheating tubes, the part of said preheating tubes extend in the reaction chamber of said housing to be suitable for feeding preheated liquid to carry out heat exchange with said leach liquor; And stirring parts, the lower end of said stirring parts extend into said reaction chamber so that the intravital said leach liquor of said shell is stirred.
According to the heat exchanger of the leach liquor of the embodiment of the invention, through leach liquor being passed in the housing that is provided with a part of preheating tubes, the preheated liquid in leach liquor and the preheating tubes carries out heat exchange; Stirring parts stirs the acceleration heat exchange to leach liquor simultaneously, makes that leaching fluid power reaches preset temperature fast, makes that the sulphur in the leach liquor is the oblique crystal state from molten sulphur state-transition; Reach the isolating requirement of sulphur slag; And the heat exchanger of this leach liquor reduces the Boiler Steam consumption, save energy consumption, and simple in structure; Feasibility is strong, and effect is remarkable.
In addition, the heat exchanger according to leach liquor of the present invention also has following additional technical feature:
According to some embodiments of the present invention, the heat exchanger of leach liquor further comprises first valve, and said first valve is located on the said preheating tubes.
Preferably, the heat exchanger of leach liquor further comprises the second and the 3rd valve, and the said second and the 3rd valve is located on said liquid-inlet pipe and the said liquid discharge pipe.Thus, can be controlled to be preset temperature with temperature through the ratio of controlling first valve, second valve and the 3rd valve control preheated liquid and leach liquor with leach liquor.
In one embodiment of the invention, the heat exchanger of leach liquor further comprises and is used to drive the driving mechanism of said stirring parts in said reaction chamber rotation.Thereby, accelerate the heat exchange between leach liquor and the preheated liquid.
According to one embodiment of present invention, said preheating tubes is configured to have the pipeline of down-turned portion, and the inlet end of said preheating tubes and exit end all reach outside the housing, and said bend extend in the said housing.
In some embodiments of the invention, the heat exchanger of leach liquor further comprises blow-down pipe, and said blow-down pipe is positioned at the top of said housing.Thereby, make housing contact with atmosphere, guarantee that the housing internal pressure is in atmospheric pressure state.
According to one embodiment of present invention, the heat exchanger of leach liquor further comprises liquidometer, and said liquidometer is located at the top of said housing.Thus, prevent overflowing of leach liquor.
According to the heat exchanger of the leach liquor of the embodiment of the invention, leach liquor feeds from liquid-inlet pipe in the reaction chamber of housing, and leach liquor carries out heat exchange with preheated liquid in the bend that flows through preheating tubes; Stirring parts stirs leach liquor under the driving of driving mechanism; Accelerated heat exchange, and the ratio through controlling first valve, second valve and the 3rd valve control leach liquor and preheated liquid is controlled to be preset temperature with the temperature of leach liquor, makes that the sulphur in the leach liquor is the oblique crystal state from molten sulphur state-transition; Reach the isolating requirement of sulphur slag; And the heat exchanger of this leach liquor reduces the Boiler Steam consumption, save energy consumption, and simple in structure; Feasibility is strong, and effect is remarkable.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the synoptic diagram according to the heat exchanger of the leach liquor of the embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; Term " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation be for based on orientation shown in the drawings or position relation; Only be to describe with simplifying for the ease of describing the present invention; Rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can particular case understand above-mentioned term concrete implication in the present invention.
Describe the heat exchanger 100 that pressurized acid leaching is handled zinc sulfide concentrates technology leach liquor that is used for according to the embodiment of the invention with reference to figure 1 below, the heat exchanger 100 of this leach liquor is used for the temperature of liquid is controlled to be preset temperature.
The heat exchanger 100 that pressurized acid leaching is handled zinc sulfide concentrates technology leach liquor that is used for according to the embodiment of the invention; Comprise: housing 1, liquid-inlet pipe 2, liquid discharge pipe 3, preheating tubes 4 and stirring parts 5; Wherein, as shown in Figure 1, limit reaction chamber 10 in the housing 1 and be used to hold leach liquor.Liquid-inlet pipe 2 is positioned at the top of housing 1 to feed leach liquor to housing 1.Liquid discharge pipe 3 is positioned at the bottom of housing 1 with the discharging leach liquor.The part of preheating tubes 4 extend in the reaction chamber 10 of housing 1 to be suitable for feeding preheated liquid to carry out heat exchange with leach liquor.The lower end of stirring parts 5 extend into reaction chamber 10 so that the leach liquor in the housing 1 is stirred.It should be noted that the liquid that heat exchanger 100 according to the leach liquor of the embodiment of the invention can also be used for needs such as acid solution, ore pulp, scavenging solution, water are carried out heat exchange carries out heat exchange.
In the time of need carrying out heat exchange to leach liquor; Leach liquor flow in the reaction chamber 10 of housing 1 from liquid-inlet pipe 2; Preheated liquid flows through from preheating tubes 4 with leach liquor and carries out heat exchange; 5 pairs of leach liquors of stirring parts stir the heat exchange that can quicken between leach liquor and the preheated liquid simultaneously, and when leach liquor reached preset temperature, leach liquor was discharged housing 1 from liquid discharge pipe 3.
According to the heat exchanger 100 of the leach liquor of the embodiment of the invention, through leach liquor being passed in the housing 1 that is provided with a part of preheating tubes 4, the preheated liquids in leach liquor and the preheating tubes 4 carry out heat exchange; 5 pairs of leach liquors of stirring parts stir the acceleration heat exchange simultaneously, make that leaching fluid power reaches preset temperature fast, make that the sulphur in the leach liquor is the oblique crystal state from molten sulphur state-transition; Reach the isolating requirement of sulphur slag; And the heat exchanger 100 of this leach liquor reduces the Boiler Steam consumption, save energy consumption, and simple in structure; Feasibility is strong, and effect is remarkable.
As shown in Figure 1, in some embodiments of the invention, the heat exchanger 100 of leach liquor comprises that further first valve, 6, the first valves 6 are located on the preheating tubes 4.Further, the heat exchanger 100 of leach liquor also comprises second valve (scheming not shown) and the 3rd valve (scheming not shown), and second valve and the 3rd valve are located on liquid-inlet pipe 2 and the liquid discharge pipe 3.Thereby, can be controlled to be preset temperature with temperature through the ratio of controlling first valve 6, second valve and the 3rd valve control preheated liquid and leach liquor with leach liquor.
According to one embodiment of present invention, the heat exchanger 100 of leach liquor further comprises and is used to drive the driving mechanism 9 that stirring parts 5 is rotated at reaction chamber 10, thereby accelerates the heat exchange between leach liquor and the preheated liquid.
Preferably, as shown in Figure 1, preheating tubes 4 is configured to have the pipeline of down-turned portion 40, and the inlet end of preheating tubes 4 41 all reaches outside the housing 1 with exit end 42, and bend 40 extend in the housing 1.In the example like Fig. 1, first valve 6 is arranged on the inlet end 41.
As shown in Figure 1, in one embodiment of the invention, the heat exchanger 100 of leach liquor further comprises blow-down pipe 11, and blow-down pipe 11 is positioned at the top of housing 1, thereby makes housing 1 contact with atmosphere, guarantees that housing 1 internal pressure is in atmospheric pressure state.
Further, the heat exchanger 100 of leach liquor further comprises liquidometer 12, and liquidometer 12 is located at the top of housing 1, and the liquid level that liquidometer 12 shows in the housing 1 has prevented overflowing of leach liquor.
According to the heat exchanger 100 of the leach liquor of the embodiment of the invention, leach liquor feeds in the reaction chamber 10 of housings 1 from liquid-inlet pipe 2, and leach liquor carries out heat exchange with preheated liquids in the bend that flows through preheating tubes 4 40; Stirring parts 5 stirs leach liquor under the driving of driving mechanism 9; Accelerated heat exchange, and the ratio through controlling first valve 6, second valve and the 3rd valve control leach liquor and preheated liquid is controlled to be preset temperature with the temperature of leach liquor, makes that the sulphur in the leach liquor is the oblique crystal state from molten sulphur state-transition; Reach the isolating requirement of sulphur slag; And the heat exchanger 100 of this leach liquor reduces the Boiler Steam consumption, save energy consumption, and simple in structure; Feasibility is strong, and effect is remarkable.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (7)
1. one kind is used for the heat exchanger that pressurized acid leaching is handled zinc sulfide concentrates technology leach liquor, it is characterized in that, comprising:
Housing limits reaction chamber in the said housing;
Liquid-inlet pipe, said liquid-inlet pipe are positioned at the top of said housing to feed leach liquor to said housing;
Liquid discharge pipe, said liquid discharge pipe are positioned at said lower part of frame to discharge said leach liquor;
Preheating tubes, the part of said preheating tubes extend in the reaction chamber of said housing to be suitable for feeding preheated liquid to carry out heat exchange with said leach liquor; And
Stirring parts, the lower end of said stirring parts extend into said reaction chamber so that the intravital said leach liquor of said shell is stirred.
2. the heat exchanger of leach liquor according to claim 1 is characterized in that, further comprises first valve, and said first valve is located on the said preheating tubes.
3. the heat exchanger of leach liquor according to claim 2 is characterized in that, further comprises the second and the 3rd valve, and the said second and the 3rd valve is located on said liquid-inlet pipe and the said liquid discharge pipe.
4. the heat exchanger of leach liquor according to claim 1 is characterized in that, further comprises being used to drive the driving mechanism of said stirring parts in said reaction chamber rotation.
5. according to the heat exchanger of each described leach liquor among the claim 1-4; It is characterized in that; Said preheating tubes is configured to have the pipeline of down-turned portion, and the inlet end of said preheating tubes and exit end all reach outside the housing, and said bend extend in the said housing.
6. according to the heat exchanger of each described leach liquor among the claim 1-5, it is characterized in that further comprise blow-down pipe, said blow-down pipe is positioned at the top of said housing.
7. the heat exchanger of leach liquor according to claim 1 is characterized in that, further comprises liquidometer, and said liquidometer is located at the top of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100615524A CN102586596B (en) | 2012-03-09 | 2012-03-09 | Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100615524A CN102586596B (en) | 2012-03-09 | 2012-03-09 | Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102586596A true CN102586596A (en) | 2012-07-18 |
| CN102586596B CN102586596B (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100615524A Active CN102586596B (en) | 2012-03-09 | 2012-03-09 | Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate |
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| CN (1) | CN102586596B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773950A (en) * | 2012-10-17 | 2014-05-07 | 云南永昌铅锌股份有限公司 | Horizontal type pressurization leaching reaction kettle |
| CN105969999A (en) * | 2016-05-10 | 2016-09-28 | 云南永昌铅锌股份有限公司 | Leaching method for zinc sulfide concentrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472359A (en) * | 1981-02-27 | 1984-09-18 | Metallgesellschaft Ag | Method of pressure leaching |
| CN2256425Y (en) * | 1996-02-29 | 1997-06-18 | 吉林省冶金研究院 | Mixing bath for bacteria oxidation |
| CN2405636Y (en) * | 1999-12-14 | 2000-11-15 | 焦麦刚 | Adsorption tank for recovering gold from waste ore pulp from ore-roasting for gold concetrate floatation |
-
2012
- 2012-03-09 CN CN2012100615524A patent/CN102586596B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472359A (en) * | 1981-02-27 | 1984-09-18 | Metallgesellschaft Ag | Method of pressure leaching |
| CN2256425Y (en) * | 1996-02-29 | 1997-06-18 | 吉林省冶金研究院 | Mixing bath for bacteria oxidation |
| CN2405636Y (en) * | 1999-12-14 | 2000-11-15 | 焦麦刚 | Adsorption tank for recovering gold from waste ore pulp from ore-roasting for gold concetrate floatation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773950A (en) * | 2012-10-17 | 2014-05-07 | 云南永昌铅锌股份有限公司 | Horizontal type pressurization leaching reaction kettle |
| CN103773950B (en) * | 2012-10-17 | 2016-01-27 | 云南永昌铅锌股份有限公司 | Horizontal pressure leaching reactor |
| CN105969999A (en) * | 2016-05-10 | 2016-09-28 | 云南永昌铅锌股份有限公司 | Leaching method for zinc sulfide concentrate |
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| Publication number | Publication date |
|---|---|
| CN102586596B (en) | 2013-10-02 |
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Effective date of registration: 20170516 Address after: 655011 Qujing economic and Technological Development Zone, Yunnan, Qujing Patentee after: Yunnan Chihong Zinc & Germanium Co., Ltd. Address before: 165000, Greater Khingan Range District, Jiagedaqi province Heilongjiang Industrial Park, Greater Khingan Range Yun Ye Mining Development Co., Ltd. Co-patentee before: Bi Honglin Patentee before: Daxinganling Yunye Mining Development Co., Ltd. |