CN107036468A - Wetting leaches material heat-exchange system - Google Patents

Wetting leaches material heat-exchange system Download PDF

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Publication number
CN107036468A
CN107036468A CN201610078179.1A CN201610078179A CN107036468A CN 107036468 A CN107036468 A CN 107036468A CN 201610078179 A CN201610078179 A CN 201610078179A CN 107036468 A CN107036468 A CN 107036468A
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CN
China
Prior art keywords
heat exchanger
cooling medium
heat
ore pulp
exchange system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610078179.1A
Other languages
Chinese (zh)
Inventor
殷书岩
黄云东
武军
张晓涛
李衍林
赵鹏飞
秦鸣晓
李少龙
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China ENFI Engineering Corp
Original Assignee
China ENFI Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China ENFI Engineering Corp filed Critical China ENFI Engineering Corp
Priority to CN201610078179.1A priority Critical patent/CN107036468A/en
Publication of CN107036468A publication Critical patent/CN107036468A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1607Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/24Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00Heat exchange conduits
    • F28F2210/04Arrangements of conduits common to different heat exchange sections, the conduits having channels for different circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/04Communication passages between channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10Particular pattern of flow of the heat exchange media
    • F28F2250/102Particular pattern of flow of the heat exchange media with change of flow direction

Abstract

Material heat-exchange system is leached the invention discloses a kind of Wetting.The Wetting, which leaches material heat-exchange system, to be included:Heat exchanger, heat exchanger includes:There is accommodating chamber in housing, housing;Upper cutting plate and lower cutting plate, upper cutting plate and lower cutting plate are located in accommodating chamber at interval along the vertical direction, and the wall of heat exchanging chamber is provided with cooling medium inlet and outlet, and the wall of upper chamber is provided with charging aperture, and the wall of upper chamber or lower chambers is provided with discharging opening;With the multiple heat exchanger tubes being located in heat exchanging chamber, the upper end of multiple heat exchanger tubes is connected with multiple upper through holes and lower end is connected with multiple lower through-holes;And pressurized leaching kettle, the leaching slurry outlet of pressurized leaching kettle connects with charging aperture.Wetting according to embodiments of the present invention leaches material heat-exchange system and effectively, for a long time the leaching ore pulp can be cooled down, have the advantages that good cooling results, service life length, discharge stablize, be easily controlled, vibrate it is small.

Description

Wetting leaches material heat-exchange system
Technical field
The present invention relates to field of metallurgy, material heat-exchange system is leached in particular to Wetting.
Background technology
When carrying out pressure leaching, slurry temperature is leached higher, it is necessary to be cooled down.It is existing to be used to cool down leaching ore pulp There is the defect that unstable, control is difficult, vibration is big that discharges in plate type heat exchanger.
The content of the invention
The application is that discovery based on inventor to following facts and problem and understanding are made:When carrying out pressure leaching, leaching Going out ore pulp needs cooling.At present, all it is to be cooled down using plate type heat exchanger to leaching ore pulp.Due to the thickness of plate type heat exchanger Degree is relatively thin, is easily deformed damages, and easily crystallization, non-refractory (less than 250 degrees Celsius of temperature needs), not high pressure resistant (pressure needs below 2.5Mpa) and abrasion resistance is weaker, therefore plate type heat exchanger is easily blocked, and causes board-like change Hot device discharging is unstable, control is difficult.Moreover, plate type heat exchanger easy to leak, treating capacity is small, dismounting is inconvenient, easily blocks, Clean medium can only be handled.
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention proposes one Planting has the advantages that discharge stabilization, good cooling results, service life length, the Wetting leaching material-heat-exchanging system being easily controlled System.
Wetting according to embodiments of the present invention, which leaches material heat-exchange system, to be included:Heat exchanger, the heat exchanger includes:Shell There is accommodating chamber in body, the housing;Upper cutting plate and lower cutting plate, the upper cutting plate are provided with multiple upper through holes, institute Lower cutting plate is stated provided with multiple lower through-holes, the upper cutting plate and the lower cutting plate are located at institute at interval along the vertical direction State in accommodating chamber so as to by the accommodating chamber be divided into upper chamber, lower chambers and positioned at the upper chamber and the lower chambers it Between heat exchanging chamber, wherein the wall of the heat exchanging chamber is exported provided with cooling medium inlet and cooling medium, the wall of the upper chamber Provided with charging aperture, the wall of the upper chamber or the lower chambers is provided with discharging opening;With multiple heat exchanger tubes, it is multiple described to change Heat pipe is located in the heat exchanging chamber, and the upper end of multiple heat exchanger tubes is connected with multiple upper through holes correspondingly, multiple The lower end of the heat exchanger tube is connected with multiple lower through-holes correspondingly;And pressurized leaching kettle, the pressurized leaching kettle Leaching slurry outlet connected with the charging aperture.
Wetting according to embodiments of the present invention leach material heat-exchange system can effectively, for a long time to the leaching ore pulp Cooled down, can have the advantages that good cooling results, service life length, discharging is stable, be easily controlled, can effectively, Successfully carry out pressure leaching reaction.
In addition, Wetting according to the above embodiment of the present invention, which leaches material heat-exchange system, can also have skill additional as follows Art feature:
According to one embodiment of present invention, the heat exchanger further comprises dividing plate, and the dividing plate is located in the upper chamber So as to which the upper chamber to be divided into feed cavity and discharging chamber isolated from one another, the wall of the feed cavity is provided with the charging aperture, The discharging opening is located on the wall of the discharging chamber.
According to one embodiment of present invention, each in the upper cutting plate and the lower cutting plate is flatly set, institute State heat exchanger vertically to set, the heat exchanger tube is vertically set.
According to one embodiment of present invention, the cooling medium inlet is located at the top that the cooling medium is exported, described cold But medium entrance is adjacent to the upper cutting plate, the neighbouring lower cutting plate in cooling medium outlet.
According to one embodiment of present invention, the heat exchanger further comprises multiple deflection plates, and multiple deflection plates are along upper Lower direction is located in the heat exchanging chamber at interval, wherein the two neighboring deflection plate is oppositely arranged, the two neighboring folding The projection section of plate in the horizontal plane is flowed to overlap.
According to one embodiment of present invention, the Wetting leaches material heat-exchange system and further comprised:Cool down water storage tank, The import of the cooling water storage tank and the cooling medium outlet;With for detect it is described cooling water storage tank in cooling water Acidity acidity detector, the acidity detector be located at it is described cooling water storage tank in.
According to one embodiment of present invention, the heat exchanger is multiple, multiple heat exchanger serial or parallel connections.
According to one embodiment of present invention, the Wetting leaches material heat-exchange system and further comprised:Cooling medium is total Pipe;Multiple cooling medium branch pipes, one end of multiple cooling medium branch pipes is connected with the cooling medium house steward, Duo Gesuo The other end for stating cooling medium branch pipe is connected correspondingly with the cooling medium inlet of multiple heat exchangers;With it is multiple First switch valve, multiple first switch valves are located on multiple cooling medium branch pipes correspondingly.
According to one embodiment of present invention, the Wetting leaches material heat-exchange system and further comprised:Leach ore pulp total Pipe, the leaching ore pulp house steward is connected with the leaching slurry outlet of the pressurized leaching kettle;At least one connecting tube, the company One end of adapter is connected and the other end and the two neighboring heat exchanger with the discharging opening of one in the two neighboring heat exchanger In another charging aperture be connected;Leached with described multiple leaching ore pulp branch pipes, multiple described one end for leaching ore pulp branch pipe Ore pulp house steward is connected, multiple other ends of first leached in ore pulp branch pipe and first in multiple heat exchangers The charging aperture be connected, in the multiple other ends of last and multiple heat exchangers leached in ore pulp branch pipes The discharging opening of last be connected, it is multiple it is described leach ore pulp branch pipes remainders the other end with least one described in Connecting tube is connected correspondingly, wherein the leaching ore pulp house steward's is located between the two neighboring leaching ore pulp branch pipe Part is provided with second switch valve, the portion being located between the discharging opening and the leaching ore pulp branch pipe of each connecting tube Divide and be provided with the 3rd switch valve, the part being located between the charging aperture and the leaching ore pulp branch pipe of each connecting tube It is provided with the 4th switch valve.
According to one embodiment of present invention, multiple first leached in ore pulp branch pipe are provided with the 5th switch valve, many Individual last leached in ore pulp branch pipe is provided with the 6th switch valve.
According to one embodiment of present invention, the Wetting leaching material heat-exchange system further comprises cooling medium inlet pipe With at least one cooling medium delivery pipe, the cooling medium inlet pipe is connected with the cooling medium inlet of first heat exchanger, The outlet of the cooling medium of one in the two neighboring heat exchanger is situated between with another the cooling in the two neighboring heat exchanger Matter import is connected by the cooling medium delivery pipe.
According to one embodiment of present invention, the Wetting leaching material heat-exchange system further comprises heat exchanger support, The heat exchanger support includes:Support bracket, the heat exchanger is supported on the support bracket;Mounting bracket, it is described to change Hot device is fixed in the mounting bracket;With operation inspection platform, the operation inspection platform adjacent to the heat exchanger and with institute The top for stating heat exchanger is relative.
Brief description of the drawings
Fig. 1 is the structural representation for the heat exchanger that Wetting according to embodiments of the present invention leaches material heat-exchange system;
Fig. 2 is the structural representation for the heat exchanger that Wetting according to embodiments of the present invention leaches material heat-exchange system;
Fig. 3 is the structural representation that Wetting according to embodiments of the present invention leaches material heat-exchange system.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to accompanying drawing The embodiment of description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings describe Wetting according to embodiments of the present invention and leach material heat-exchange system 1.Such as Fig. 1-Fig. 3 institutes Show, Wetting according to embodiments of the present invention, which leaches material heat-exchange system 1, includes heat exchanger 10 and pressurized leaching kettle 30. Heat exchanger 10 can be vertical heat exchanger or horizontal heat exchanger.Below so that heat exchanger 10 is vertical heat exchanger as an example It is described.
As shown in figure 1, heat exchanger 10 includes housing 101, upper cutting plate 102a, lower cutting plate 103a and multiple heat exchanger tubes 104。
There is accommodating chamber 1018 in housing 101.Upper cutting plate 102a is provided with multiple upper through holes, lower cutting plate 103a and set There are multiple lower through-holes.Upper cutting plate 102a and lower cutting plate 103a be located at interval along the vertical direction in accommodating chamber 1018 with Just accommodating chamber 1018 is divided into upper chamber 1011a, lower chambers 1012a and positioned at upper chamber 1011a and lower chambers 1012a Between heat exchanging chamber 1013.
Wherein, the wall of heat exchanging chamber 1013 is provided with cooling medium inlet 1014 and cooling medium outlet 1015, upper chamber 1011a Wall be provided with charging aperture 1016, upper chamber 1011a or lower chambers 1012a wall are provided with discharging opening 1017.
Multiple heat exchanger tubes 104 are located in heat exchanging chamber 1013, and the upper ends of multiple heat exchanger tubes 104 leads on this with multiple correspondingly Hole is connected, and the lower end of multiple heat exchanger tubes 104 is connected with multiple lower through-holes correspondingly.That is, heat exchanger tube 104 Quantity, quantity of through hole and the quantity of the lower through-hole are equal on this, the upper end of a heat exchanger tube 104 and a through hole on this It is connected, the lower through-hole is connected with one for the lower end of a heat exchanger tube 104.In other words, the upper end of multiple heat exchanger tubes 104 with it is upper Cutting plate 102a is connected, and the lower end of multiple heat exchanger tubes 104 is connected with lower cutting plate 103a, a pair of multiple heat exchanger tubes 104 1 Should ground connected with multiple through holes on this, multiple heat exchanger tubes 104 are connected with multiple lower through-holes correspondingly.
The leaching slurry outlet of pressurized leaching kettle 30 is connected with charging aperture 1016.Wherein, the arrow A in above-below direction such as Fig. 1 It is shown.
Because the ore pulp that leaches for leaving pressurized leaching kettle 30 has very high acidity, pressure, viscosity and concentration, thus it is existing Heat exchanger (such as plate type heat exchanger) can not effectively, liquid before kettle entered to this for a long time cooled down.Specifically, it is existing With the presence of heat exchanger discharge the short defect of unstable, service life.
Specifically, the content for leaching sulfuric acid in ore pulp for leaving pressurized leaching kettle 30 is 100g/L-400g/L, the leaching ore deposit The pressure of slurry is in the range of 0.3MPa-5.0MPa, and the concentration of the leaching ore pulp is in the range of 1%-40%.Preferably, should Leach ore pulp in sulfuric acid content be 150g/L-300g/L, the pressure of the leaching ore pulp in the range of 1.5MPa-4.5MPa, The concentration of the leaching ore pulp is in the range of 10%-30%.It is further preferred that the content of sulfuric acid is in the leaching ore pulp 200g/L-250g/L, the pressure of the leaching ore pulp is in the range of 2.6MPa-3.5MPa, and the concentration of the leaching ore pulp exists In the range of 20%-25%.
Wetting according to embodiments of the present invention leaches the heat exchanger 10 of material heat-exchange system 1 by making the leaching ore pulp many Flowed in individual heat exchanger tube 104, so that can not only prevent highly viscous this from entering liquid before kettle and blocking, in order to stabilize ground discharges, And can easily, easily exchange heat pipe 104 and cleaned, dredged.Moreover, according to embodiments of the present invention The heat exchanger 10 that Wetting leaches material heat-exchange system 1 has a good structural strength, housing 101, upper cutting plate 102a, Lower cutting plate 103a and multiple heat exchanger tubes 104 are respectively provided with good compressive property, resistance to elevated temperatures and anti-erosion performance, so that Effectively high pressure this can be entered by liquid before kettle cooled down.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 heat exchanger 10 can effectively, it is long Temporally enter liquid before kettle to this to cool down.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and enters changing for liquid before kettle by being provided for cooling down this Hot device 10, thus not only can effectively, liquid before kettle entered to this for a long time cooled down, and can avoid because will cooling Medium is input in pressurized leaching kettle 30 and destroys the water balance that Wetting leaches material heat-exchange system 1.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 can effectively, for a long time to this Enter liquid before kettle to be cooled down, can have good cooling results, service life length, discharging stablize, be easily controlled, vibrate it is small etc. Advantage.
As shown in figure 1, in one embodiment of the invention, heat exchanger 10 further comprises dividing plate 105, dividing plate 105 is set So that upper chamber 1011a to be divided into feed cavity 10111 and discharging chamber 10112 isolated from one another in upper chamber 1011a. The wall of feed cavity 10111 is provided with charging aperture 1016, and discharging opening 1017 is located on the wall of discharging chamber 10112.
The leaching ore pulp of high temperature is entered in feed cavity 10111 by charging aperture 1016, and then by upper cutting plate 102a Through hole is entered in the part in multiple heat exchanger tubes 104 on this relative with feed cavity 10111, and in multiple heat exchanger tubes 104 In the part in exchanged heat with cooling medium.
Then, the leaching ore pulp in the part in multiple heat exchanger tubes 104 is entered by the lower through-hole on lower cutting plate 103a Enter into lower chambers 1012a, and then its in multiple heat exchanger tubes 104 is entered by the lower through-hole on lower cutting plate 103a Remaining part point is interior, and is exchanged heat again with cooling medium in the remainder in multiple heat exchanger tubes 104.
Finally, the leaching ore pulp in the remainder in multiple heat exchanger tubes 104 passes through on upper cutting plate 102a and discharging chamber Through hole is entered in discharging chamber 10112 on 10112 relative these, and then leaves heat exchanger 10 by discharging opening 1017.
By setting dividing plate 105 in upper chamber 1011a, so as to greatly extend the leaching ore pulp of high temperature in heat exchanger Stroke in 10, so as to the leaching ore pulp of preferably cooling down high-temperature, you can to effectively improve the cooling of heat exchanger 10 Effect.
Advantageously, dividing plate 105 can be multiple.Moreover, more one or more dividing plates 105 can also be set in lower chambers 1012a. By increasing the number of dividing plate 105, so as to greatly extend stroke of the leaching ore pulp of high temperature in the second heat exchanger 10, So as to the leaching ore pulp of preferably cooling down high-temperature, you can to effectively improve the cooling effect of the second heat exchanger 10.
As shown in figure 1, advantageously, upper cutting plate 102a and lower cutting plate 103a can flatly be set, and dividing plate 105 can Vertically to set.
Heat exchanger 10 can vertically be set, and heat exchanger tube 104 is vertically set.It is possible thereby to further prevent the leaching ore pulp Blocked in heat exchanger 10, so as to so that the discharging of heat exchanger 10 and Wetting leaching material heat-exchange system 1 is more steady It is fixed.
Heat exchanger tube 104 can be made up of 2507 two phase stainless steels.It is possible thereby to the corrosion resistance of heat exchanger 10 is further improved, So as to so that heat exchanger 10 is used to cool down the higher leaching ore pulp of acidity.
As shown in figure 1, cooling medium inlet 1014 is located at the top that cooling medium exports 1015.Cooling medium outlet 1015 Neighbouring lower cutting plate 103a, cooling medium inlet 1014 is adjacent to upper cutting plate 102a.That is, cooling medium inlet 1014 The top of neighbouring heat exchanging chamber 1013, cooling medium outlet 1015 is adjacent to the bottom of heat exchanging chamber 1013.It is possible thereby to make heat exchanger 10 structure is more reasonable.
In the example of the present invention, as shown in figure 1, heat exchanger 10 further comprises multiple deflection plates 1019, multiple foldings Stream plate 1019 is located in heat exchanging chamber 1013 at interval along the vertical direction.Wherein, two neighboring deflection plate 1019 is oppositely arranged, The projection section of two neighboring deflection plate 1019 in the horizontal plane is overlapped.
By setting multiple deflection plates 1019, so as to can not only improve the flowing velocity of cooling medium, and it can force cold But medium is multiple laterally across multiple heat exchanger tubes 104 by regulation distance, to strengthen the turbulent extent of cooling medium, so as to More efficiently to be cooled down to the leaching ore pulp.
Moreover, by setting multiple deflection plates 1019, the cooling medium and the leaching ore pulp can be made while realizing that following current exchanges heat With cross-flow heat exchange, heat exchange efficiency is improved so as to further, more efficiently to be cooled down to the leaching ore pulp.
As shown in figure 3, Wetting, which leaches material heat-exchange system 1, further comprises cooling water storage tank 40 and for detecting cooling The acidity detector (not shown) of the acidity of cooling water in water storage tank 40.Cool down the import and cooling of water storage tank 40 Media outlet 1015 is connected, and the acidity detector (such as pH electrodes) is located in cooling water storage tank 40.It is possible thereby to pass through The acidity of the cooling water in cooling water storage tank 40 is detected using the acidity detector, to detect whether heat exchanger 10 is revealed. If heat exchanger 10 is revealed, the leaching ore pulp of a part of highly acidity can be entered cold by cooling medium outlet 1015 But water storage tank 40 is interior and is mixed with cooling water, so as to improve the acidity of cooling water, that is, changes the detected value of the acidity detector.
It is described below so that heat exchanger 10 is horizontal heat exchanger as an example.As shown in Fig. 2 heat exchanger 10 include housing 101, Left cutting plate 102b, right cutting plate 103b and multiple heat exchanger tubes 104.There is accommodating chamber 1018 in housing 101.
Left cutting plate 102b is provided with multiple left through holes, and right cutting plate 103b is provided with multiple right through holes.Left cutting plate 102b It is located in accommodating chamber 1018 accommodating chamber 1018 being divided into left chamber at interval in left-right direction with right cutting plate 103b 1011b, right chamber room 2012b and the heat exchanging chamber 1013 between left chamber 1011b and right chamber room 1012b.Wherein, The wall of heat exchanging chamber 1013 is exported provided with cooling medium inlet 1014 and cooling medium and set on 1015, left chamber 1011b wall There is a charging aperture 1016, left chamber 1011b or right chamber room 1012b wall are provided with discharging opening 1017.
Multiple heat exchanger tubes 104 are located in heat exchanging chamber 1013, and the left end of multiple heat exchanger tubes 104 is logical with multiple left sides correspondingly Hole is connected, and the right-hand member of multiple heat exchanger tubes 104 is connected with multiple right through holes correspondingly.Wherein, left and right directions such as Fig. 2 In arrow B shown in.
Because the ore pulp that leaches for leaving pressurized leaching kettle 30 has very high acidity, pressure, viscosity and concentration, thus it is existing Heat exchanger (such as plate type heat exchanger) can not effectively, liquid before kettle entered to this for a long time cooled down.Specifically, it is existing With the presence of heat exchanger discharge the short defect of unstable, service life.
Wetting according to embodiments of the present invention leaches the heat exchanger 10 of material heat-exchange system 1 by making the leaching ore pulp many Flowed in individual heat exchanger tube 104, so that can not only prevent highly viscous this from entering liquid before kettle and blocking, in order to stabilize ground discharges, And can easily, easily exchange heat pipe 104 and cleaned, dredged.Moreover, according to embodiments of the present invention The heat exchanger 10 that Wetting leaches material heat-exchange system 1 has a good structural strength, housing 101, left cutting plate 102b, Right cutting plate 103b and multiple heat exchanger tubes 104 are respectively provided with good compressive property, so as to effectively enter to high pressure this Liquid is cooled down before kettle.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 heat exchanger 10 can effectively, it is long Temporally enter liquid before kettle to this to cool down.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and enters changing for liquid before kettle by being provided for cooling down this Hot device 10, thus not only can effectively, liquid before kettle entered to this for a long time cooled down, and can avoid because will cooling Medium is input in pressurized leaching kettle 30 and destroys the water balance that Wetting leaches material heat-exchange system 1.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 can effectively, for a long time to this Enter liquid before kettle to be cooled down, can have good cooling results, service life length, discharging stablize, be easily controlled, vibrate it is small etc. Advantage.
As shown in Fig. 2 in one embodiment of the invention, heat exchanger 10 further comprises dividing plate 105, dividing plate 105 is set So as to which left chamber 1011b to be divided into feed cavity 10111 and discharging chamber 10112 isolated from one another in left chamber 1011b, The wall of feed cavity 10111 is provided with charging aperture 1016, and discharging opening 1017 is located on the wall of discharging chamber 10112.
The leaching ore pulp of high temperature is entered in feed cavity 10111 by charging aperture 1016, and then by left cutting plate 102b The left through hole relative with feed cavity 10111 is entered in the part in multiple heat exchanger tubes 104, and in multiple heat exchanger tubes 104 In the part in exchanged heat with cooling medium.
Then, the leaching ore pulp in the part in multiple heat exchanger tubes 104 passes through the right through hole on bottom right cutting plate 103b Enter in the 1012b of right chamber room, and then entered by the right through hole on right cutting plate 103b in multiple heat exchanger tubes 104 In remainder, and exchanged heat again with cooling medium in the remainder in multiple heat exchanger tubes 104.
Finally, the leaching ore pulp in the remainder in multiple heat exchanger tubes 104 passes through on left cutting plate 102b and discharging chamber 10112 relative left through holes are entered in discharging chamber 10112, and then leave heat exchanger 10 by discharging opening 1017.
By setting dividing plate 105 in left chamber 1011b, so as to greatly extend the leaching ore pulp of high temperature in heat exchanger Stroke in 10, so as to the leaching ore pulp of preferably cooling down high-temperature, you can to effectively improve the cooling of heat exchanger 10 Effect.
Advantageously, dividing plate 105 can be multiple.Moreover, more one or more dividing plates 105 can also be set in the 1012b of right chamber room. By increasing the number of dividing plate 105, so as to greatly extend stroke of the leaching ore pulp of high temperature in the second heat exchanger 10, So as to the leaching ore pulp of preferably cooling down high-temperature, you can to effectively improve the cooling effect of the second heat exchanger 10.
Advantageously, as shown in Fig. 2 each in left cutting plate 102b and right cutting plate 103b is vertically set, dividing plate 105 are flatly set.Heat exchanger 10 is flatly set, and heat exchanger tube 104 is flatly set.It is possible thereby to further prevent this Enter liquid before kettle to block in heat exchanger 10, so as to so that heat exchanger 10 and Wetting leach going out for material heat-exchange system 1 Material is more stablized.
As shown in Fig. 2 in some embodiments of the invention, cooling medium inlet 1014 is located at cooling medium outlet 1015 Right side.Thus cooling medium flows from right to left, and the leaching ore pulp flows from left to right, so as to so that the leaching ore pulp With cooling medium cross-flow heat exchange.Because the leaching ore pulp and the cooling medium cross-flow exchange heat, therefore the leaching ore pulp is cold with this But the temperature difference of medium is smaller, thus it can be prevented that heat exchanger tube 104 is corroded, so as to further improve making for heat exchanger 10 Use the life-span.
Advantageously, cooling medium inlet 1014 is adjacent to right cutting plate 103b, and cooling medium outlet 1015 is adjacent to left cutting plate 102b. That is, cooling medium inlet 1014 is adjacent to the right part of heat exchanging chamber 1013, cooling medium outlet 1015 is adjacent to heat exchanging chamber 1013 left part.It is possible thereby to make the structure of heat exchanger 10 more reasonable.
As shown in Fig. 2 heat exchanger 10 further comprises multiple deflection plates 1019, multiple deflection plates 1019 in left-right direction between Separatedly it is located in heat exchanging chamber 1013.Wherein, two neighboring deflection plate 1019 is oppositely arranged, two neighboring deflection plate 1019 Projection section on the cross section of housing 101 is overlapped.
By setting multiple deflection plates 1019, so as to can not only improve the flowing velocity of cooling medium, and it can force cold But medium is multiple laterally across multiple heat exchanger tubes 104 by regulation distance, to strengthen the turbulent extent of cooling medium, so as to Cooled down with more efficiently entering liquid before kettle to this.
Moreover, by setting multiple deflection plates 1019, the cooling medium and the leaching ore pulp can be made while realizing countercurrent flow With cross-flow heat exchange, heat exchange efficiency is improved so as to further, more efficiently to be cooled down to the leaching ore pulp.
As shown in figure 3, Wetting, which leaches material heat-exchange system 1, further comprises cooling water storage tank 40 and for detecting cooling The acidity detector (not shown) of the acidity of cooling water in water storage tank 40.Cool down the import and cooling of water storage tank 40 Media outlet 1015 is connected, and the acidity detector (such as pH electrodes) is located in cooling water storage tank 40.It is possible thereby to pass through The acidity of the cooling water in cooling water storage tank 40 is detected using the acidity detector, to detect whether heat exchanger 10 is revealed. If heat exchanger 10 is revealed, the leaching ore pulp of a part of highly acidity can be entered cold by cooling medium outlet 1015 But water storage tank 40 is interior and is mixed with cooling water, so as to improve the acidity of cooling water, that is, changes the detected value of the acidity detector.
Heat exchanger 10 can be multiple, and multiple heat exchangers 10 can be with serial or parallel connection.It is with the series connection of multiple heat exchangers 10 below Example is illustrated.
As shown in figure 3, multiple heat exchangers 10 are connected, the discharging opening of one positioned at upstream in two neighboring heat exchanger 10 1017 are connected with the charging aperture 1016 of one positioned at downstream in two neighboring heat exchanger 10.That is, the leaching of high temperature Go out ore pulp and pass sequentially through multiple heat exchangers 10.It is possible thereby to which preferably cooling down high-temperature enters liquid before kettle, improve Wetting and leach The cooling effectiveness of material-heat-exchanging system 1.
As shown in figure 3, in some examples of the present invention, Wetting leaches material heat-exchange system 1 and further comprises cooling Medium house steward 1061, multiple cooling medium branch pipes 1062 and multiple first switch valves 1071.Multiple cooling medium branch pipes 1062 One end be connected with cooling medium house steward 1061, the other end of multiple cooling medium branch pipes 1062 is cold with multiple heat exchangers 10 But medium entrance 1014 is connected correspondingly.Multiple first switch valves 1071 are located at multiple cooling medium branch correspondingly On pipe 1062.
That is, the quantity of the quantity of cooling medium branch pipe 1062, the quantity of first switch valve 1071 and heat exchanger 10 can With equal, and a first switch valve 1071 can be located on a cooling medium branch pipe 1062, a cooling medium branch pipe 1062 other end is connected with the cooling medium inlet 1014 of a heat exchanger 10.In other words, multiple cooling medium branch pipes 1062 Parallel connection, cooling medium is substantially simultaneously entered in multiple heat exchangers 10.It is possible thereby to which improving Wetting leaches material-heat-exchanging The cooling effect of system 1.
It is additionally, since on each cooling medium branch pipe 1062 and is equipped with first switch valve 1071, therefore when some heat exchanger 10 During failure, it is only necessary to close corresponding first switch valve 1071, it is possible to avoid cooling medium from entering the failure Heat exchanger 10 in.It is possible thereby to which Wetting is leached material heat-exchange system 1 easily facilitates control.
As shown in figure 3, in the example of the present invention, Wetting leaches material heat-exchange system 1 and further comprises leaching Ore pulp house steward 1063, at least one connecting tube 1064 and multiple leaching ore pulp branch pipes 1065.
Ore pulp house steward 1063 is leached with the leaching slurry outlet of pressurized leaching kettle 30 to be connected.One end of connecting tube 1064 with it is adjacent The discharging opening 1017 of one in two heat exchangers 10 is connected, the other end of connecting tube 1064 and two neighboring heat exchanger 10 In another charging aperture 1016 be connected.Entered that is, leaching ore pulp by connecting tube 1064 from a heat exchanger 10 Enter into next heat exchanger 10.
Multiple one end for leaching ore pulp branch pipe 1065 are connected with leaching ore pulp house steward 1063, in multiple leaching ore pulp branch pipes 1065 The other end of first be connected with the charging aperture 1016 of first in multiple heat exchangers 10, multiple leaching ore pulp branch pipes 1065 In the other end of last be connected with the discharging opening 1017 of last in multiple heat exchangers 10, multiple leaching ore pulps The other end of the remainder of branch pipe 1065 is connected correspondingly with least one connecting tube 1064.
Wherein, the part being located between two neighboring leaching ore pulp branch pipe 1065 for leaching ore pulp house steward 1063 is provided with second Switch valve 1072.That is, second switch valve 1072 is located on leaching ore pulp house steward 1063, and second switch valve 1072 Between the junction for leaching ore pulp house steward 1063 and two neighboring leaching ore pulp branch pipe 1065.
The part for being located at discharging opening 1017 and leaching between ore pulp branch pipe 1065 of each connecting tube 1064 is switched provided with the 3rd Valve 1073, each connecting tube 1064 is located at charging aperture 1016 and leaches part between ore pulp branch pipe 1065 provided with the Four switch valves 1074.In other words, the 3rd switch valve 1073 and the 4th switch valve 1074 are located in connecting tube 1064, and the 3rd Switch valve 1073 is located at connecting tube 1064 and junction and the connecting tube 1064 and leaching ore pulp branch pipe 1065 of discharging opening 1017 Junction between, the 4th switch valve 1074 is located at junction and the connecting tube 1064 of connecting tube 1064 and charging aperture 1016 Between the junction of leaching ore pulp branch pipe 1065.
The control process that Wetting leaches material heat-exchange system 1 is described below with reference to Fig. 3.Fig. 3 shows four heat exchangers 10, be followed successively by from left to right first heat exchanger 10a, second heat exchanger 10b, the 3rd heat exchanger 10c and the 4th change Hot device 10d, and first leaching ore pulp branch pipe 1065a, second leaching ore pulp branch pipe 1065b, the 3rd leaching ore pulp Branch pipe 1065c and the 4th is leached ore pulp branch pipe 1065d.
When four heat exchangers 10 do not break down, second switch valve 1072 is closed, and the 3rd switch valve 1073 is opened, the Four switch valves 1074 are opened.
When first heat exchanger 10a breaks down, it can open and leach ore pulp branch pipe 1065a and second positioned at first The second switch valve 1072 between ore pulp branch pipe 1065b is leached, and is closed for connecting first heat exchanger 10a and second The 3rd switch valve 1073 in heat exchanger 10b connecting tube 1064.Thus the leaching ore pulp of high temperature no longer enters first Heat exchanger 10a, but enter directly into second heat exchanger 10b.
When second heat exchanger 10b breaks down, it can open and leach ore pulp branch pipe 1065b and the 3rd positioned at second The second switch valve 1072 between ore pulp branch pipe 1065c is leached, and is closed for connecting first heat exchanger 10a and second The 4th switch valve 1074 in heat exchanger 10b connecting tube 1064.Thus first heat exchanger 10a leaching ore pulp is left No longer enter in second heat exchanger 10b, but pass sequentially through the 3rd switch valve 1073, second leach ore pulp branch pipe 1065b, the second switch valve leached positioned at second leaching ore pulp branch pipe 1065b and the 3rd between ore pulp branch pipe 1065c 1072 and the 3rd leaching ore pulp branch pipe 1065c is entered in the 3rd heat exchanger 10c.
When other one or more heat exchangers 10 break down, control process is similar to above-mentioned control process, herein not Describe in detail again.Therefore, Wetting leaches material heat-exchange system 1 and easily facilitates control.
As shown in fig. 6, advantageously, multiple first leached in ore pulp branch pipe 1065 are provided with the 5th switch valve 1075, many Last individual leached in ore pulp branch pipe 1065 is provided with the 6th switch valve 1076.
When heat exchanger 10 does not break down, the 5th switch valve 1075 and the 6th switch valve 1076 are opened.Changed when first When hot device 10a breaks down, the 5th switch valve 1075 is closed, first is entered so as to further avoid leaching ore pulp In heat exchanger 10a.When last heat exchanger 10d breaks down, the 6th switch valve 1076 is closed, so as to enter one Step avoids leaching ore pulp from entering in last heat exchanger 10d.Therefore, Wetting leaches material heat-exchange system 1 more It is easy to control.
In addition, Wetting leach material heat-exchange system 1 may further include cooling medium inlet pipe (not shown) and At least one cooling medium delivery pipe (not shown).The cooling medium inlet of the cooling medium inlet pipe and heat exchanger 10a 1014 are connected, in the outlet of the cooling medium of one 1015 and two neighboring heat exchanger 10 in two neighboring heat exchanger 10 Another cooling medium inlet 1014 is connected by the cooling medium delivery pipe.It is possible thereby to fully utilize the cooling medium Cold.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and further comprises that heat exchanger support (does not show in figure Go out), the heat exchanger support includes support bracket, mounting bracket and operation inspection platform.Heat exchanger 10 is supported on the load-bearing branch On frame, heat exchanger 10 is fixed in the mounting bracket, and the operation inspection platform is adjacent to heat exchanger 10 and upper with heat exchanger 10 Portion is relative.It is possible thereby to make the structure of Wetting leaching material heat-exchange system 1 more reasonable.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", The orientation or position relationship of the instruction such as " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on Orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply institute The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this hair Bright limitation.
In addition, term " first ", " " be only used for describe purpose, and it is not intended that indicate or imply relative importance or The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " " can be expressed or imply Ground includes at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three Deng unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " It should be interpreted broadly Deng term, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect or can communicate each other;Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship, unless otherwise clear and definite restriction.For For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be "above" or "below" feature First and feature directly contact, or first and feature pass through intermediary mediate contact.Moreover, fisrt feature is in feature " on ", " top " and " above " but fisrt feature are directly over feature or oblique upper, or are merely representative of the One characteristic level is highly higher than feature.Fisrt feature feature " under ", " lower section " and " below " can be One feature is immediately below feature or obliquely downward, or is merely representative of fisrt feature level height less than feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure, material or Feature is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term Necessarily it is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, ability The technical staff in domain can enter the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification Row is combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary, It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment It is changed, changes, replacing and modification.

Claims (12)

1. a kind of Wetting leaches material heat-exchange system, it is characterised in that including:
Heat exchanger, the heat exchanger includes:
There is accommodating chamber in housing, the housing;
Upper cutting plate and lower cutting plate, the upper cutting plate are provided with multiple upper through holes, and the lower cutting plate is provided with more Individual lower through-hole, the upper cutting plate and the lower cutting plate are located in the accommodating chamber so as to by institute at interval along the vertical direction State accommodating chamber and be divided into upper chamber, lower chambers and the heat exchanging chamber between the upper chamber and the lower chambers, wherein institute The wall for stating heat exchanging chamber is exported provided with cooling medium inlet and cooling medium, and the wall of the upper chamber is provided with charging aperture, described The wall of upper chamber or the lower chambers is provided with discharging opening;With
Multiple heat exchanger tubes, multiple heat exchanger tubes are located in the heat exchanging chamber, a pair of the upper end 1 of multiple heat exchanger tubes Ground is answered to be connected with multiple upper through holes, the lower end of multiple heat exchanger tubes is connected with multiple lower through-holes correspondingly; And
Pressurized leaching kettle, the leaching slurry outlet of the pressurized leaching kettle is connected with the charging aperture.
2. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that the heat exchanger enters one Step includes dividing plate, and the dividing plate is located in the upper chamber that the upper chamber is divided into feed cavity isolated from one another and gone out Expect chamber, the wall of the feed cavity is provided with the charging aperture, and the discharging opening is located on the wall of the discharging chamber.
3. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that the upper cutting plate and Each in the lower cutting plate is flatly set, and the heat exchanger is vertically set, and the heat exchanger tube is vertically set.
4. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that the cooling medium enters Mouth is located at the top that the cooling medium is exported, and the cooling medium inlet goes out adjacent to the upper cutting plate, the cooling medium The neighbouring lower cutting plate of mouth.
5. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that the heat exchanger enters one Step includes multiple deflection plates, and multiple deflection plates are located in the heat exchanging chamber at interval along the vertical direction, wherein adjacent two The individual deflection plate is oppositely arranged, and the projection section of the two neighboring deflection plate in the horizontal plane is overlapped.
6. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that further comprise:
Cool down water storage tank, the import of the cooling water storage tank and the cooling medium outlet;With
For the acidity detector for the acidity for detecting the cooling water in the cooling water storage tank, the acidity detector is located at described Cool down in water storage tank.
7. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that the heat exchanger is many It is individual, multiple heat exchanger serial or parallel connections.
8. Wetting according to claim 7 leaches material heat-exchange system, it is characterised in that further comprise:
Cooling medium house steward;
Multiple cooling medium branch pipes, one end of multiple cooling medium branch pipes is connected with the cooling medium house steward, Duo Gesuo The other end for stating cooling medium branch pipe is connected correspondingly with the cooling medium inlet of multiple heat exchangers;With
Multiple first switch valves, multiple first switch valves are located on multiple cooling medium branch pipes correspondingly.
9. Wetting according to claim 7 leaches material heat-exchange system, it is characterised in that further comprise:
Ore pulp house steward is leached, the leaching ore pulp house steward is connected with the leaching slurry outlet of the pressurized leaching kettle;
At least one connecting tube, one end of the connecting tube be connected with the discharging opening of one in the two neighboring heat exchanger and The other end is connected with another the charging aperture in the two neighboring heat exchanger;
Multiple leaching ore pulp branch pipes, multiple described one end for leaching ore pulp branch pipe are connected with the leaching ore pulp house steward, Duo Gesuo The other end of first leached in ore pulp branch pipe is stated with the charging aperture of first in multiple heat exchangers to be connected, it is many The individual other end of last leached in ore pulp branch pipe and the discharging opening of last in multiple heat exchangers It is connected, the other end of multiple remainders for leaching ore pulp branch pipe is connected correspondingly with connecting tube at least one described,
The wherein described two neighboring part leached between ore pulp branch pipe that is located at for leaching ore pulp house steward is provided with second switch Valve, the part being located between the discharging opening and the leaching ore pulp branch pipe of each connecting tube is provided with the 3rd switch valve, The part being located between the charging aperture and the leaching ore pulp branch pipe of each connecting tube is provided with the 4th switch valve.
10. Wetting according to claim 9 leaches material heat-exchange system, it is characterised in that multiple leachings First in ore pulp branch pipe is provided with the 5th switch valve, and multiple last leached in ore pulp branch pipe are provided with the 6th Switch valve.
11. the Wetting according to claim 7,9 or 10 leaches material heat-exchange system, it is characterised in that enter one Step includes cooling medium inlet pipe and at least one cooling medium delivery pipe, the cooling medium inlet pipe and first heat exchanger Cooling medium inlet be connected, the outlet of the cooling medium of one in the two neighboring heat exchanger and the two neighboring heat exchange Another cooling medium inlet in device is connected by the cooling medium delivery pipe.
12. Wetting according to claim 1 leaches material heat-exchange system, it is characterised in that further comprise changing Hot device support, the heat exchanger support includes:
Support bracket, the heat exchanger is supported on the support bracket;
Mounting bracket, the heat exchanger is fixed in the mounting bracket;With
Inspection platform is operated, the operation inspection platform is adjacent to the heat exchanger and relative with the top of the heat exchanger.
CN201610078179.1A 2016-02-03 2016-02-03 Wetting leaches material heat-exchange system Pending CN107036468A (en)

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Application publication date: 20170811