CN102671403A - Flash evaporating device and method for recovering steam by utilizing flash evaporating device - Google Patents
Flash evaporating device and method for recovering steam by utilizing flash evaporating device Download PDFInfo
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- CN102671403A CN102671403A CN2012101887117A CN201210188711A CN102671403A CN 102671403 A CN102671403 A CN 102671403A CN 2012101887117 A CN2012101887117 A CN 2012101887117A CN 201210188711 A CN201210188711 A CN 201210188711A CN 102671403 A CN102671403 A CN 102671403A
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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
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Abstract
The invention discloses a flash evaporating device and a method for recovering steam by utilizing the flash evaporating device. The flash evaporating device comprises a flash evaporating chamber, a liquid inlet pipe, a liquid drain pipe, a blender and a steam pipe, wherein the liquid inlet pipe and the liquid drain pipe are connected with the flash evaporating chamber; the blender is connected with the upper part of the flash evaporating chamber and is provided with a blending shaft extending to the flash evaporating chamber and a blending blade arranged at the bottom end of the blending shaft; and the steam pipe is connected with the flash evaporating chamber and is provided with a valve. With the adoption of the flash evaporating device, high pressure steam in the flash evaporating chamber can be collected by utilizing the steam pipe connected with the flash evaporating chamber, preheating treatment can be carried out on the process requiring heating and preheating in the production process by utilizing the collected steam, the amount of used boiler steam is reduced, and energy consumption is reduced. For example, the steam discharged by the steam pipe can be used for the processes requiring heating and preheating of heating and preheating pulp and acid liquid, removing iron liquid, purification operation, and the like when zinc sulphide concentrate is treated by pressurizing acid leaching.
Description
Technical field
The present invention relates to technical field of non-ferrous metallurgy, in particular to a kind of flashing apparatus and utilize the method for this flashing apparatus recovered steam.
Background technology
Handle in the zinc sulfide concentrates process at pressurized acid leaching; The leachate temperature that autoclave is discharged is at the 150-160 degree, and pressure is at 0.8-1.5MPa, after flashing apparatus decompression cooling; The leachate temperature is at the 121-135 degree; Pressure has produced a large amount of steam simultaneously at 0.15-0.3MPa in flash chamber, these steam accumulate in the flash chamber can't be recovered utilization.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
In view of this, the present invention need provide a kind of flashing apparatus, and said flashing apparatus can reclaim the steam in the flash chamber at least, to practice thrift the energy resource consumption of production link.Further, the present invention need provide a kind of method of utilizing above-mentioned flashing apparatus recovered steam.
According to a first aspect of the invention, a kind of flashing apparatus is provided, has comprised: flash chamber; The feed tube and the discharging tube that are communicated with said flash chamber; Mixer, said mixer is connected with the top of said flash chamber, and is provided with the paddle that stretches into the shaft in the said flash chamber and be located at said shaft bottom; And steam pipe, said steam pipe is communicated with said flash chamber, and said steam pipe is provided with valve.
Flashing apparatus according to the embodiment of the invention; Can utilize the steam pipe that is communicated with flash chamber that the high steam in the flash chamber is collected; Can utilize the steam after the collection that the operation of the preheating of need heating in the production process is carried out The pre-heat treatment; Reduce the amount of using Boiler Steam, reduced energy resource consumption.For example when pressurized acid leaching is handled zinc sulfide concentrates, can the steam that steam pipe is discharged be used for heating preheating ore pulp, acid solution, deironing liquid, purify the operation of the preheatings of need heating such as operation.
According to one embodiment of present invention, the top of said flash chamber is provided with the safety valve with said flash chamber internal communication.
According to one embodiment of present invention, the top of said flash chamber is provided with and can stretches into the inner liquid level gauge of said flash chamber.
According to one embodiment of present invention, the upper end of said flash chamber is provided with Pressure gauge.
According to one embodiment of present invention, the said feed tube height that is communicated with the place with said flash chamber is higher than said discharging tube is communicated with the place with said flash chamber height.
According to one embodiment of present invention, said feed tube and the place of connection of said flash chamber are positioned at the top of said flash chamber, and said discharging tube and the said flash chamber place of connection are positioned at the bottom of said flash chamber.
According to one embodiment of present invention, be respectively arranged with valve on said feed tube and the said discharging tube.
According to a second aspect of the invention, a kind of method of utilizing the flashing apparatus recovered steam is provided, has may further comprise the steps: the high pressure leaching liquid of collecting the autoclave discharge is in flash chamber; Through the pressure in the valve control flash chamber of adjustment on the steam pipe in preset range; Control the valve on the said steam pipe, steam is discharged outside the flash chamber via steam pipe.
The method of utilizing the flashing apparatus recovered steam according to the embodiment of the invention; Can utilize the steam pipe that is communicated with flash chamber that the high steam in the flash chamber is collected; Can utilize the steam after the collection that the operation of the preheating of need heating in the production process is carried out The pre-heat treatment; Reduce the amount of using Boiler Steam, reduced energy resource consumption.For example when pressurized acid leaching is handled zinc sulfide concentrates, can the steam that steam pipe is discharged be used for heating preheating ore pulp, acid solution, deironing liquid, purify the operation of the preheatings of need heating such as operation.
According to one embodiment of present invention, said preset range is 0.8-1.5MPa.
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 has shown the structural representation according to the flashing apparatus of the embodiment of the invention; With
Fig. 2 has shown the flow chart according to the method for utilizing the flashing apparatus recovered steam of the embodiment of the invention.
The specific 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; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are 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 concrete condition understand above-mentioned term concrete implication in the present invention.
As shown in Figure 1, flashing apparatus comprises: flash chamber 2, feed tube 1, discharging tube 5, mixer 8 and steam pipe 4 according to an embodiment of the invention.
Particularly, feed tube 1 is communicated with flash chamber 2 with discharging tube 5, is used for respectively receiving and the discharge leachate.
Mixer 8 is connected with the top of flash chamber 2, and is provided with the paddle 82 that stretches into the shaft 81 in the flash chamber 2 and be located at shaft 81 bottoms, to stir through 82 pairs of leachates that enter in the flash chamber of paddle.
Steam pipe 4 is communicated with flash chamber 2, with flash chamber 2 high-temperature steam discharge through steam pipe 4, steam pipe 4 is provided with valve 3, valve 3 is used for controlling the quantity of steam of discharging through steam pipe 4, and can control the pressure in the flash chamber 2.
Flashing apparatus according to the embodiment of the invention; Can utilize the high steam in the 4 pairs of flash chambers of steam pipe 2 that are communicated with flash chamber 2 to collect; Can utilize the steam after the collection that the operation of the preheating of need heating in the production process is carried out The pre-heat treatment; Reduce the amount of using Boiler Steam, reduced energy resource consumption.For example when pressurized acid leaching is handled zinc sulfide concentrates, can the steam that steam pipe 4 is discharged be used for heating preheating ore pulp, acid solution, deironing liquid, purify the operation of the preheatings of need heating such as operation.
As shown in Figure 1, according to one embodiment of present invention, the top of flash chamber 2 is provided with the safety valve 7 with flash chamber 2 internal communication.Thus, can play the purpose of protection flash chamber 2, placement flash chamber 2 pressure inside are too high, and flashing apparatus is caused damage.The top of flash chamber 2 can be provided with the liquid level gauge 9 that can stretch into flash chamber 2 inside.Thus, can carry out the embodiment monitoring to the liquid level in the flash chamber.For ease the pressure in the flash chamber 2 is monitored in real time, can be provided with Pressure gauge 6, thus, can monitor the pressure in the flash chamber 2 in the upper end of flash chamber 2.
As shown in Figure 1, according to one embodiment of present invention, feed tube 1 is communicated with the place with flash chamber 2 height is higher than discharging tube 5 is communicated with the place with flash chamber 2 height.The liquid ore pulp that can conveniently flow in the flash chamber 2 thus, flows out.Be respectively arranged with the valve (not shown) on feed tube 1 and the discharging tube 5, thus, can control in real time, to satisfy the various demands in the production process conveniently to flowing into and flow out the flow of the ore pulp of flash chamber 2.Further, feed tube 1 and the place of connection of flash chamber 2 are positioned at the top of flash chamber 2, and discharging tube 5 and flash chamber 2 places of connection are positioned at the bottom of flash chamber 2.Thus, make things convenient for the discharge of the ore pulp in the flash chamber 2.
Simply describe with reference to the course of work of the flashing apparatus of 1 pair of embodiment of the invention of figure below:
The high temperature leachate that autoclave is discharged during work is got in the flash tank 2 by feed tube 1, utilizes valve 3 that flashing pressure is controlled at 0.8-1.5MPa, produces a large amount of flash-off steams from steam pipe 4 discharges; Delivering to the preheating procedure of need heating in the production process recycles; Leachate is discharged from discharging tube 5, and Pressure gauge 6 shows pressure, opens pressure release when pressure reaches pressure take-off value safety valve 7; 8 pairs in mixer leaches ore pulp and stirs, and liquid level gauge 9 shows liquid level in the flash tank 2.
With reference to Fig. 1, Fig. 2 the method that the embodiment of the invention is utilized the flashing apparatus recovered steam is described below:
As shown in Figure 2, the method for utilizing the flashing apparatus recovered steam according to the embodiment of the invention may further comprise the steps:
The high pressure leaching liquid of collecting the discharge of autoclave (not shown) is to flash chamber 2 interior (S10).For example, can be incorporated in the flash chamber 2 through the high pressure leaching liquid that feed tube 1 is discharged autoclave.
Pressure (S20) in preset range through in the 3 control flash chambers 2 of the valve on the adjustment steam pipe 4 for example can be controlled at pressure between the 0.8-1.5MPa, thus, can produce and look steam up and down, and a large amount of steam is stored in flash chamber 2 inside.
Valve 3 on the control steam pipe 4 makes steam discharge flash chamber outer (S30) via steam pipe 4.The steam of discharging can be sent in the operation of the preheating of need heating in the production process, and the steam quilt is from new recycling.
The method of utilizing the flashing apparatus recovered steam according to the embodiment of the invention; Can utilize the high steam in the 4 pairs of flash chambers of steam pipe 2 that are communicated with flash chamber 2 to collect; Can utilize the steam after the collection that the operation of the preheating of need heating in the production process is carried out The pre-heat treatment; Reduce the amount of using Boiler Steam, reduced energy resource consumption.For example when pressurized acid leaching is handled zinc sulfide concentrates, can the steam that steam pipe is discharged be used for heating preheating ore pulp, acid solution, deironing liquid, purify the operation of the preheatings of need heating such as operation.
In the description of this specification, 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 (9)
1. a flashing apparatus is characterized in that, comprising:
Flash chamber;
The feed tube and the discharging tube that are communicated with said flash chamber;
Mixer, said mixer is connected with the top of said flash chamber, and is provided with the paddle that stretches into the shaft in the said flash chamber and be located at said shaft bottom; And
Steam pipe, said steam pipe is communicated with said flash chamber, and said steam pipe is provided with valve.
2. flashing apparatus according to claim 1 is characterized in that the top of said flash chamber is provided with the safety valve with said flash chamber internal communication.
3. flashing apparatus according to claim 1 is characterized in that, the top of said flash chamber is provided with can stretch into the inner liquid level gauge of said flash chamber.
4. flashing apparatus according to claim 1 is characterized in that the upper end of said flash chamber is provided with Pressure gauge.
5. flashing apparatus according to claim 1 is characterized in that, said feed tube is communicated with the place with said flash chamber height is higher than said discharging tube is communicated with the place with said flash chamber height.
6. flashing apparatus according to claim 5 is characterized in that, said feed tube and the place of connection of said flash chamber are positioned at the top of said flash chamber, and said discharging tube and the said flash chamber place of connection are positioned at the bottom of said flash chamber.
7. flashing apparatus according to claim 1 is characterized in that, is respectively arranged with valve on said feed tube and the said discharging tube.
8. a method of utilizing the flashing apparatus recovered steam is characterized in that, may further comprise the steps:
The high pressure leaching liquid of collecting the autoclave discharge is in flash chamber;
Through the pressure in the valve control flash chamber of adjustment on the steam pipe in preset range;
Control the valve on the said steam pipe, steam is discharged outside the flash chamber via steam pipe.
9. the method for utilizing the flashing apparatus recovered steam according to claim 8 is characterized in that, said preset range is 0.8-1.5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887117A CN102671403A (en) | 2012-06-08 | 2012-06-08 | Flash evaporating device and method for recovering steam by utilizing flash evaporating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887117A CN102671403A (en) | 2012-06-08 | 2012-06-08 | Flash evaporating device and method for recovering steam by utilizing flash evaporating device |
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| Publication Number | Publication Date |
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| CN102671403A true CN102671403A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101887117A Pending CN102671403A (en) | 2012-06-08 | 2012-06-08 | Flash evaporating device and method for recovering steam by utilizing flash evaporating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834805A (en) * | 2014-01-24 | 2014-06-04 | 江苏凯力克钴业股份有限公司 | Method of leaching divalent cobalt from cobalt copper bidery metal |
| WO2014106683A1 (en) * | 2012-12-28 | 2014-07-10 | Outotec (Finland) Oy | Top-entry flash vessel arrangement |
| CN105396313A (en) * | 2015-11-25 | 2016-03-16 | 郑臣钏 | High-sealing boiler for chemical industry |
| CN112029993A (en) * | 2020-08-31 | 2020-12-04 | 中国恩菲工程技术有限公司 | Leachate cooling equipment and cooling process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201807202U (en) * | 2010-07-09 | 2011-04-27 | 神华集团有限责任公司 | Distillation still |
| CN201959577U (en) * | 2010-12-14 | 2011-09-07 | 陈华 | Vacuum decompression concentrating tank for garlic deep processing |
| CN202185161U (en) * | 2011-08-20 | 2012-04-11 | 昆明有色冶金设计研究院股份公司 | Recycling flash distillation device |
-
2012
- 2012-06-08 CN CN2012101887117A patent/CN102671403A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201807202U (en) * | 2010-07-09 | 2011-04-27 | 神华集团有限责任公司 | Distillation still |
| CN201959577U (en) * | 2010-12-14 | 2011-09-07 | 陈华 | Vacuum decompression concentrating tank for garlic deep processing |
| CN202185161U (en) * | 2011-08-20 | 2012-04-11 | 昆明有色冶金设计研究院股份公司 | Recycling flash distillation device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106683A1 (en) * | 2012-12-28 | 2014-07-10 | Outotec (Finland) Oy | Top-entry flash vessel arrangement |
| US9920396B2 (en) | 2012-12-28 | 2018-03-20 | Outotec (Finland) Oy | Top-entry flash vessel arrangement |
| EA029708B1 (en) * | 2012-12-28 | 2018-05-31 | Оутотек (Финлэнд) Ой | Top-entry flash vessel arrangement |
| CN103834805A (en) * | 2014-01-24 | 2014-06-04 | 江苏凯力克钴业股份有限公司 | Method of leaching divalent cobalt from cobalt copper bidery metal |
| CN105396313A (en) * | 2015-11-25 | 2016-03-16 | 郑臣钏 | High-sealing boiler for chemical industry |
| CN112029993A (en) * | 2020-08-31 | 2020-12-04 | 中国恩菲工程技术有限公司 | Leachate cooling equipment and cooling process |
| CN112029993B (en) * | 2020-08-31 | 2024-03-19 | 中国恩菲工程技术有限公司 | Leachate cooling equipment and cooling process |
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Application publication date: 20120919 |