CN107036467A - Wetting leaches material heat-exchange system - Google Patents
Wetting leaches material heat-exchange system Download PDFInfo
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- CN107036467A CN107036467A CN201610078170.0A CN201610078170A CN107036467A CN 107036467 A CN107036467 A CN 107036467A CN 201610078170 A CN201610078170 A CN 201610078170A CN 107036467 A CN107036467 A CN 107036467A
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- heat exchanger
- cooling medium
- ore pulp
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-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
- F28D7/1607—Heat-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/04—Arrangements of conduits common to different heat exchange sections, the conduits having channels for different circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/04—Communication passages between channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/10—Particular pattern of flow of the heat exchange media
- F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Paper (AREA)
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；Left cutting plate and right cutting plate, left cutting plate and right cutting plate are located in accommodating chamber at interval in left-right direction, and the wall of heat exchanging chamber is provided with cooling medium inlet and outlet, and the wall of left chamber is provided with charging aperture, and the wall of left chamber or right chamber room is provided with discharging opening；With multiple heat exchanger tubes, multiple heat exchanger tubes are located in heat exchanging chamber, and the left end of multiple heat exchanger tubes is connected with multiple left through holes and right-hand member is connected with multiple right 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
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 the plate type heat exchanger for leaching ore pulp in the presence of the defect that unstable, control is difficult, vibration is big that discharges.
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 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 thinner thickness of plate type heat exchanger, it is easily deformed damage, and easily crystallization, non-refractory (temperature need less than 250 degrees Celsius), not high pressure resistant (pressure needs below 2.5Mpa) and abrasion resistance is weaker, therefore plate type heat exchanger is easily blocked, and causes that plate type heat exchanger discharging is unstable, control is difficult.Moreover, plate type heat exchanger easy to leak, treating capacity is small, dismounting is inconvenient, easily blocks, can only handle clean medium.
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, present invention proposition is a kind of to have the advantages that discharge stabilization, good cooling results, service life length, the Wetting leaching material heat-exchange system being easily controlled.
Wetting according to embodiments of the present invention, which leaches material heat-exchange system, to be included：Heat exchanger, the heat exchanger includes：There is accommodating chamber in housing, the housing；Left cutting plate and right cutting plate, the left cutting plate is provided with multiple left through holes, the right cutting plate is provided with multiple right through holes, the left cutting plate and the right cutting plate are located in the accommodating chamber accommodating chamber being divided into left chamber, right chamber room and the heat exchanging chamber between the left chamber and the right chamber room at interval in left-right direction, the wall of wherein described heat exchanging chamber is exported provided with cooling medium inlet and cooling medium, the wall of the left chamber is provided with charging aperture, and the wall of the left chamber or the right chamber room is provided with discharging opening；With multiple heat exchanger tubes, multiple heat exchanger tubes are located in the heat exchanging chamber, and the left end of multiple heat exchanger tubes is connected with multiple left through holes correspondingly, and the right-hand member of multiple heat exchanger tubes is connected with multiple right through holes correspondingly；And pressurized leaching kettle, the leaching slurry outlet of the pressurized leaching kettle connects with the 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, 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 technical characteristic additional as follows：
According to one embodiment of present invention, the heat exchanger further comprises dividing plate, the dividing plate is located in the left chamber to be divided into the left chamber into feed cavity and discharging chamber isolated from one another, 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.
According to one embodiment of present invention, each in the left cutting plate and the right cutting plate is vertically set, and the heat exchanger is flatly set, and the heat exchanger tube is flatly set.
According to one embodiment of present invention, the cooling medium inlet is located at the right side that the cooling medium is exported, and the cooling medium inlet is adjacent to the right cutting plate, the neighbouring left cutting plate in cooling medium outlet.
According to one embodiment of present invention, the heat exchanger further comprises multiple deflection plates, multiple deflection plates are located in the heat exchanging chamber at interval in left-right direction, the wherein two neighboring deflection plate is oppositely arranged, and projection section of the two neighboring deflection plate on the cross section of the housing is overlapped.
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 the acidity detector of the acidity for detecting the cooling water in the cooling water storage tank, the acidity detector is located in the cooling water storage tank.
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 house steward；Multiple cooling medium branch pipes, one end of multiple cooling medium branch pipes is connected with the cooling medium house steward, and the other end of multiple cooling medium branch pipes 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.
According to one embodiment of present invention, the Wetting leaches material heat-exchange system and further comprised：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 is 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, multiple other ends of first leached in ore pulp branch pipe are connected with the charging aperture of first in multiple heat exchangers, multiple other ends of last leached in ore pulp branch pipe are connected with the discharging opening of last in multiple heat exchangers, 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.
According to one embodiment of present invention, multiple first leached in ore pulp branch pipe are provided with the 5th switch valve, and multiple last leached in ore pulp branch pipe are provided with the 6th switch valve.
According to one embodiment of present invention, the Wetting leaches material heat-exchange system and further comprises cooling medium inlet pipe and at least one cooling medium delivery pipe, the cooling medium inlet pipe is connected with the cooling medium inlet of first heat exchanger, and the outlet of the cooling medium of one in the two neighboring heat exchanger is connected with another the cooling medium inlet in the two neighboring heat exchanger by the cooling medium delivery pipe.
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.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, and is 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.As shown in Figure 1-Figure 3, 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.It is described below so that heat exchanger 10 is vertical heat exchanger as an example.
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, and lower cutting plate 103a is provided with multiple lower through-holes.Upper cutting plate 102a and lower cutting plate 103a are located in accommodating chamber 1018 accommodating chamber 1018 being divided into upper chamber 1011a, lower chambers 1012a and the heat exchanging chamber 1013 between upper chamber 1011a and lower chambers 1012a at interval along the vertical direction.
Wherein, the wall of heat exchanging chamber 1013 is provided with cooling medium inlet 1014 and cooling medium outlet 1015, and upper chamber 1011a wall is provided with charging aperture 1016, and 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 is connected with multiple through holes on this correspondingly, and the lower end of multiple heat exchanger tubes 104 is connected with multiple lower through-holes correspondingly.That is, the quantity of heat exchanger tube 104, 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 is connected with a through hole on this, and 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 is connected with upper cutting plate 102a, the lower end of multiple heat exchanger tubes 104 is connected with lower cutting plate 103a, and multiple heat exchanger tubes 104 are connected with multiple through holes on this correspondingly, and 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, above-below direction is as shown in the arrow A in Fig. 1.
Because the ore pulp that leaches for leaving pressurized leaching kettle 30 has very high acidity, pressure, viscosity and concentration, thus 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, there is the short defect of unstable, service life that discharges in existing heat exchanger.
Specifically, the content for leaching sulfuric acid in ore pulp for leaving pressurized leaching kettle 30 is 100g/L-400g/L, and the pressure of the leaching ore pulp 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, the content of sulfuric acid is 150g/L-300g/L in the leaching ore pulp, and the pressure of the leaching ore pulp is in the range of 1.5MPa-4.5MPa, and 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 200g/L-250g/L in the leaching ore pulp, the pressure of the leaching ore pulp is in the range of 2.6MPa-3.5MPa, and the concentration of the leaching ore pulp is 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 be flowed in multiple heat exchanger tubes 104, so as to can not only prevent highly viscous this from entering liquid before kettle and blocking, in order to stabilize ground discharges, and it can easily, easily exchange heat pipe 104 and cleaned, dredged.And, the heat exchanger 10 that Wetting according to embodiments of the present invention leaches material heat-exchange system 1 has 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 as to which effectively high pressure this is entered liquid before kettle and cooled down.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 heat exchanger 10 can effectively, liquid before kettle entered to this for a long time cooled down.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and cools down the heat exchanger 10 for entering liquid before kettle by being provided for, so as to not only can effectively, liquid before kettle entered to this for a long time cooled down, and can avoid destroying the water balance of Wetting leaching material heat-exchange system 1 because being input to cooling medium in pressurized leaching kettle 30.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 can effectively, liquid before kettle entered to this for a long time cooled down, can have the advantages that good cooling results, service life length, discharge stablize, be easily controlled, vibrate it is small.
As shown in figure 1, in one embodiment of the invention, heat exchanger 10 further comprises dividing plate 105, dividing plate 105 is located in upper chamber 1011a to be divided into upper chamber 1011a into feed cavity 10111 and discharging chamber 10112 isolated from one another.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 entered by through hole on this relative with feed cavity 10111 on upper cutting plate 102a in the part in multiple heat exchanger tubes 104, and exchanged heat in the part in multiple heat exchanger tubes 104 with cooling medium.
Then, leaching ore pulp in the part in multiple heat exchanger tubes 104 is entered in lower chambers 1012a by the lower through-hole on lower cutting plate 103a, and then entered by the lower through-hole on lower cutting plate 103a in the remainder in multiple heat exchanger tubes 104, 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 is entered in discharging chamber 10112 by through hole on this relative with discharging chamber 10112 on upper cutting plate 102a, and then leaves heat exchanger 10 by discharging opening 1017.
By setting dividing plate 105 in upper chamber 1011a, so as to greatly extend stroke of the leaching ore pulp of high temperature in 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 heat exchanger 10.
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 be 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 from being blocked in heat exchanger 10, so as to so that the discharging that heat exchanger 10 and Wetting leach material heat-exchange system 1 is more stablized.
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 further be 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 is adjacent to lower cutting plate 103a, and cooling medium inlet 1014 is adjacent to upper cutting plate 102a.That is, cooling medium inlet 1014 is adjacent to the top of heat exchanging chamber 1013, cooling medium outlet 1015 is adjacent to the bottom of heat exchanging chamber 1013.It is possible thereby to make the structure of heat exchanger 10 more reasonable.
In the example of the present invention, as shown in figure 1, heat exchanger 10 further comprises multiple deflection plates 1019, multiple deflection plates 1019 are located in heat exchanging chamber 1013 at interval along the vertical direction.Wherein, two neighboring deflection plate 1019 is oppositely arranged, and 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 cooling medium can be forced by regulation distance repeatedly laterally across multiple heat exchanger tubes 104, to strengthen the turbulent extent of cooling medium, so as to more efficiently 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 following current heat exchange and cross-flow heat exchange are realized, so as to further improve heat exchange efficiency, more efficiently to be cooled down to the leaching ore pulp.
Further comprise cooling down water storage tank 40 and for the acidity detector (not shown) for the acidity for detecting the cooling water in cooling water storage tank 40 as shown in figure 3, Wetting leaches material heat-exchange system 1.The import for cooling down water storage tank 40 is connected with cooling medium outlet 1015, and the acidity detector (such as pH electrodes) is located in cooling water storage tank 40.It is possible thereby to the acidity of the cooling water in cooling water storage tank 40 be detected by 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 in cooling water storage tank 40 by cooling medium outlet 1015 and mixed with cooling water, so as to improve the acidity of cooling water, that is, change 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 includes 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 and right cutting plate 103b are located in accommodating chamber 1018 accommodating chamber 1018 being divided into left chamber 1011b, right chamber room 2012b and the heat exchanging chamber 1013 between left chamber 1011b and right chamber room 1012b at interval in left-right direction.Wherein, the wall of heat exchanging chamber 1013 is provided with cooling medium inlet 1014 and cooling medium outlet 1015, and left chamber 1011b wall is provided with charging aperture 1016, and 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 connected with multiple left through holes correspondingly, and the right-hand member of multiple heat exchanger tubes 104 is connected with multiple right through holes correspondingly.Wherein, left and right directions is as shown in the arrow B in Fig. 2.
Because the ore pulp that leaches for leaving pressurized leaching kettle 30 has very high acidity, pressure, viscosity and concentration, thus 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, there is the short defect of unstable, service life that discharges in existing heat exchanger.
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 be flowed in multiple heat exchanger tubes 104, so as to can not only prevent highly viscous this from entering liquid before kettle and blocking, in order to stabilize ground discharges, and it can easily, easily exchange heat pipe 104 and cleaned, dredged.And, the heat exchanger 10 that Wetting according to embodiments of the present invention leaches material heat-exchange system 1 has 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 which effectively high pressure this is entered liquid before kettle and cooled down.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 heat exchanger 10 can effectively, liquid before kettle entered to this for a long time cooled down.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and cools down the heat exchanger 10 for entering liquid before kettle by being provided for, so as to not only can effectively, liquid before kettle entered to this for a long time cooled down, and can avoid destroying the water balance of Wetting leaching material heat-exchange system 1 because being input to cooling medium in pressurized leaching kettle 30.
Therefore, Wetting according to embodiments of the present invention leach material heat-exchange system 1 can effectively, liquid before kettle entered to this for a long time cooled down, can have the advantages that good cooling results, service life length, discharge stablize, be easily controlled, vibrate it is small.
As shown in Figure 2, in one embodiment of the invention, heat exchanger 10 further comprises dividing plate 105, dividing plate 105 is located in left chamber 1011b to be divided into left chamber 1011b into feed cavity 10111 and discharging chamber 10112 isolated from one another, 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 entered by left through hole relative with feed cavity 10111 on left cutting plate 102b in the part in multiple heat exchanger tubes 104, and exchanged heat in the part in multiple heat exchanger tubes 104 with cooling medium.
Then, leaching ore pulp in the part in multiple heat exchanger tubes 104 is entered in the 1012b of right chamber room by the right through hole on bottom right cutting plate 103b, and then entered by the right through hole on right cutting plate 103b in the remainder in multiple heat exchanger tubes 104, 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 is entered in discharging chamber 10112 by left through hole relative with discharging chamber 10112 on left cutting plate 102b, and then leaves heat exchanger 10 by discharging opening 1017.
By setting dividing plate 105 in left chamber 1011b, so as to greatly extend stroke of the leaching ore pulp of high temperature in 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 heat exchanger 10.
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 is flatly set.Heat exchanger 10 is flatly set, and heat exchanger tube 104 is flatly set.It is possible thereby to further prevent this from entering liquid before kettle and being blocked in heat exchanger 10, so as to so that the discharging that heat exchanger 10 and Wetting leach material heat-exchange system 1 is more stablized.
As shown in Fig. 2 in some embodiments of the invention, cooling medium inlet 1014 is located at the right side that cooling medium exports 1015.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 and the cooling medium cross-flow exchange heat.Because the leaching ore pulp and the cooling medium cross-flow exchange heat, therefore the temperature difference of the leaching ore pulp and the cooling medium is smaller, thus it can be prevented that heat exchanger tube 104 is corroded, so as to further improve the service life of heat exchanger 10.
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 the left part of heat exchanging chamber 1013.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 are located in heat exchanging chamber 1013 at interval in left-right direction.Wherein, two neighboring deflection plate 1019 is oppositely arranged, and projection section of the two neighboring deflection plate 1019 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 cooling medium can be forced, repeatedly laterally across multiple heat exchanger tubes 104, to strengthen the turbulent extent of cooling medium, to be cooled down by regulation distance so as to more efficiently enter liquid before kettle to this.
Moreover, by setting multiple deflection plates 1019, the cooling medium and the leaching ore pulp can be made while countercurrent flow and cross-flow heat exchange are realized, so as to further improve heat exchange efficiency, more efficiently to be cooled down to the leaching ore pulp.
Further comprise cooling down water storage tank 40 and for the acidity detector (not shown) for the acidity for detecting the cooling water in cooling water storage tank 40 as shown in figure 3, Wetting leaches material heat-exchange system 1.The import for cooling down water storage tank 40 is connected with cooling medium outlet 1015, and the acidity detector (such as pH electrodes) is located in cooling water storage tank 40.It is possible thereby to the acidity of the cooling water in cooling water storage tank 40 be detected by 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 in cooling water storage tank 40 by cooling medium outlet 1015 and mixed with cooling water, so as to improve the acidity of cooling water, that is, change 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.Illustrated below by taking the series connection of multiple heat exchangers 10 as an example.
As shown in figure 3, multiple heat exchangers 10 are connected, the discharging opening 1017 of one positioned at upstream in two neighboring heat exchanger 10 is connected with the charging aperture 1016 of one positioned at downstream in two neighboring heat exchanger 10.That is, the leaching ore pulp of high temperature passes sequentially through multiple heat exchangers 10.It is possible thereby to which preferably cooling down high-temperature enters liquid before kettle, the cooling effectiveness that Wetting leaches material heat-exchange system 1 is improved.
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.One end of multiple cooling medium branch pipes 1062 is connected with cooling medium house steward 1061, and the other end of multiple cooling medium branch pipes 1062 is connected correspondingly with the cooling medium inlet 1014 of multiple heat exchangers 10.Multiple first switch valves 1071 are located on multiple cooling medium branch pipes 1062 correspondingly.
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 be with equal, and a first switch valve 1071 can be located on a cooling medium branch pipe 1062, the other end of a cooling medium branch pipe 1062 is connected with the cooling medium inlet 1014 of a heat exchanger 10.In other words, multiple cooling medium branch pipes 1062 are in parallel, and cooling medium is substantially simultaneously entered in multiple heat exchangers 10.It is possible thereby to improve the cooling effect that Wetting leaches material heat-exchange 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 breaks down, it is only necessary to close corresponding first switch valve 1071, it is possible to avoid cooling medium from entering in the heat exchanger 10 of the failure.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 is connected with the discharging opening 1017 of one in two neighboring heat exchanger 10, and the other end of connecting tube 1064 is connected with another the charging aperture 1016 in two neighboring heat exchanger 10.Entered that is, leaching ore pulp by connecting tube 1064 from a heat exchanger 10 in next heat exchanger 10.
Multiple one end for leaching ore pulp branch pipe 1065 are connected with leaching ore pulp house steward 1063, multiple other ends of first leached in ore pulp branch pipe 1065 are connected with the charging aperture 1016 of first in multiple heat exchangers 10, multiple other ends of last leached in ore pulp branch pipe 1065 are connected with the discharging opening 1017 of last in multiple heat exchangers 10, and the other end of multiple remainders for leaching ore pulp 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 is located 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 provided with the 3rd switch valve 1073, and the part for being located at charging aperture 1016 and leaching between ore pulp branch pipe 1065 of each connecting tube 1064 is provided with the 4th switch valve 1074.In other words, 3rd switch valve 1073 and the 4th switch valve 1074 are located in connecting tube 1064,3rd switch valve 1073 is located between connecting tube 1064 and the junction of discharging opening 1017 and connecting tube 1064 and the junction for leaching ore pulp branch pipe 1065, and the 4th switch valve 1074 is located between connecting tube 1064 and the junction of charging aperture 1016 and connecting tube 1064 and the junction for 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, first heat exchanger 10a, second heat exchanger 10b, the 3rd heat exchanger 10c and the 4th heat exchanger 10d are followed successively by from left to right, and first is leached ore pulp branch pipe 1065a, second leaching ore pulp branch pipe 1065b, the 3rd leaching ore pulp branch pipe 1065c and the 4th and leaches 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, and the 4th switch valve 1074 is opened.
When first heat exchanger 10a breaks down, it can open and ore pulp branch pipe 1065a and second second switch valve 1072 leached between ore pulp branch pipe 1065b are leached positioned at first, and the 3rd switch valve 1073 closed in the connecting tube 1064 for connection first heat exchanger 10a and second heat exchanger 10b.Thus the leaching ore pulp of high temperature no longer enters first heat exchanger 10a, but enters directly into second heat exchanger 10b.
When second heat exchanger 10b breaks down, it can open and ore pulp branch pipe 1065b and the 3rd second switch valve 1072 leached between ore pulp branch pipe 1065c is leached positioned at second, and the 4th switch valve 1074 closed in the connecting tube 1064 for connection first heat exchanger 10a and second heat exchanger 10b.Thus the leaching ore pulp for leaving first heat exchanger 10a is no longer entered in second heat exchanger 10b, but pass sequentially through the 3rd switch valve 1073, second leach ore pulp branch pipe 1065b, ore pulp branch pipe 1065b and the 3rd second switch valve 1072 leached between ore pulp branch pipe 1065c leached positioned at second and the 3rd is leached ore pulp branch pipe 1065c and 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, no longer describes in detail herein.Therefore, Wetting leaches material heat-exchange system 1 and easily facilitates control.
As shown in figure 3, advantageously, multiple first leached in ore pulp branch pipe 1065 are provided with the 5th switch valve 1075, last multiple leached in ore pulp branch pipe 1065 are 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.When first heat exchanger 10a breaks down, the 5th switch valve 1075 is closed, is entered so as to further avoid leaching ore pulp in first heat exchanger 10a.When last heat exchanger 10d breaks down, the 6th switch valve 1076 is closed, is entered so as to further avoid leaching ore pulp in last heat exchanger 10d.Therefore, Wetting leaches material heat-exchange system 1 and easily facilitates control.
In addition, Wetting, which leaches 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 pipe is connected with heat exchanger 10a cooling medium inlet 1014, and the outlet of the cooling medium of one 1015 in two neighboring heat exchanger 10 is connected with another the cooling medium inlet 1014 in two neighboring heat exchanger 10 by the cooling medium delivery pipe.It is possible thereby to fully utilize the cold of the cooling medium.
Wetting according to embodiments of the present invention leaches material heat-exchange system 1 and further comprises heat exchanger support (not shown), and the heat exchanger support includes support bracket, mounting bracket and operation inspection platform.Heat exchanger 10 is supported on the support bracket, and heat exchanger 10 is fixed in the mounting bracket, and the operation inspection platform is adjacent to heat exchanger 10 and relative with the top of heat exchanger 10.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 will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", " preceding ", " rear ", " left side ", " right side ", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", the orientation or position relationship of instructions such as " circumferences " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In addition, term " first ", " " are only used for describing purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, at least one this feature can be expressed or be implicitly included to the feature of " ".In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " connected ", " connection ", " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；It can be mechanical connection or electrical connection or can communicate each other；Can be joined directly together, can also be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the 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 that first and feature are directly contacted "above" or "below" feature, or first and feature pass through intermediary mediate contact.Moreover, fisrt feature feature " on ", " top " and " above " but fisrt feature or is merely representative of fisrt feature level height higher than feature directly over feature or oblique upper.Fisrt feature feature " under ", " lower section " and " below " can be fisrt feature immediately below feature or obliquely downward, or be merely representative of fisrt feature level height less than feature.
In the description of this specification, the description of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine specific features, structure, material or the feature that the embodiment or example describe and is contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.Moreover, specific features, structure, material or the feature of description can in an appropriate manner be combined in any one or more embodiments or example.In addition, in the case of not conflicting, 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 can be combined and combined by those skilled in the art.
Although embodiments of the invention have been shown and described above, it is appreciated that, above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention, and one of ordinary skill in the art can be changed to above-described embodiment, change, replacing and modification within the scope of the invention.
Claims (11)
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；
Left cutting plate and right cutting plate, the left cutting plate are provided with multiple left through holes, and the right cutting plate is provided with more
Individual right through hole, the left cutting plate and the right cutting plate are located in the accommodating chamber so as to by institute at interval in left-right direction
State accommodating chamber and be divided into left chamber, right chamber room and the heat exchanging chamber between the left chamber and the right chamber room, wherein institute
The wall for stating heat exchanging chamber is exported provided with cooling medium inlet and cooling medium, and the wall of the left chamber is provided with charging aperture, described
The wall of left chamber or the right chamber room 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 left end 1 of multiple heat exchanger tubes
Ground is answered to be connected with multiple left through holes, the right-hand member of multiple heat exchanger tubes is connected with multiple right 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 left chamber that the left 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 left cutting plate and
Each in the right cutting plate is vertically set, and the heat exchanger is flatly set, and the heat exchanger tube is flatly 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 right side that the cooling medium is exported, and the cooling medium inlet goes out adjacent to the right cutting plate, the cooling medium
The neighbouring left 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 in left-right direction, wherein adjacent two
The individual deflection plate is oppositely arranged, and projection section of the two neighboring deflection plate on the cross section of the housing 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610078170.0A CN107036467A (en) | 2016-02-03 | 2016-02-03 | Wetting leaches material heat-exchange system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078170.0A CN107036467A (en) | 2016-02-03 | 2016-02-03 | Wetting leaches material heat-exchange system |
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| CN107036467A true CN107036467A (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610078170.0A Pending CN107036467A (en) | 2016-02-03 | 2016-02-03 | Wetting leaches material heat-exchange system |
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Application publication date: 20170811 |