CN1009451B - Improved apparatus for reclamating slurry from bottom of storage silo - Google Patents

Abstract

The present invention relates to an improved device for storing and recovering slurry composed of particulates and liquid. F A recovery device comprises a storage tank having a side wall and a bottom part; slurry is filled in the storage tank and then is discharged through a bell mouth nozzle which has a downward opening and is connected with a pump by a pipeline; the periphery of the bell mouth is provided with a slurry fluidizing nozzle, and a diluting control hole is formed between the bell mouth and the pump and is connected with a second pump communicated with a fluid source. The flow quantity and the density of material sucked into the bell mouth are measured by a programme control device, and a dilute solution is controlled to be increased or decreased according to a preset value in order to keep the density constant all the time.

Description

Improved apparatus for reclamating slurry from bottom of storage silo

The present invention relates to the technology of isolating particulate matter the solids slurry that contains from flowing power.

Prior art known to the applicant can divide three major types; The first kind is about slurry density in the measuring channel and corrected density error Control technology subsequently; Second class is used at the vertical tank device of ore deposit auxiliary process from the slurry in the ore deposit; The 3rd class is for handling the useful basin except that vertical tank of slurry in the ore deposit.

The first kind be K, R, the company of thanking (K, R, Shllene) equal sign number be 3400984 and Li Si (L, P, Reiss) number number be 3514217 patent.These patents are about the method and apparatus of slurry density in the controlling plumbing fixtures.The patent of Xie Lian is come control of density with the way that adds or remove liquid.

The second class patent grantee is R, E, Dorr (Richard E, Dcerr) and coagent, and number number is 3966261; D, L, Mike agree (Darid L, McCaih) and coagent thereof, and number number is 3942841; W, T, Shi Wenni (William T, Sweeney), number number is 3993359; With H, O, Ke Site (Harlcd O, Kester) and coagent thereof, number number is 3617094.Each discloses a kind of vertical tank that is used to store slurry and takes out the slurry of depositing above-mentioned each patent.The Shi Wenni patent disclosure a kind of jet dredge pump of from vertical tank, removing slurry, and comprise the obstruction that prevents that slurry from stopping and producing when solidifying with jet water course.Grant Dorr and coagent thereof and Mike the patent willing and coagent and all disclose the vertical tank that is used for storing the ore deposit slurry.But in these patents, the taking-up of slurry at the bottom of the jar be or utilize pump, perhaps utilizes deadweight to send into and take out with pump subsequently.The patent of granting Ke Site then discloses a kind of packaged type slurry basin, and the slurry at jar end is with pump sucking-off jar.

Number number is 4060281; 3981541; 4143921; 3870373 and 3545618 patent all discloses and has been used for the inside and outside various basins in ore deposit, and is furnished with the large-scale recovery slurry basin that takes out the fixing or portable pump of slurry at the bottom of the basin.

In this application, disclose one about the interim storage of slurry is provided in mining processes, the slurry that reclaim to keep certain density then is so that the modifying device effectively by ducting.In patent in the past, the density of slurry generally by vertically or on even keel move pump and control to guarantee the geostationary way of ducted density.Therefore, if density reduces, pump will move soon, to draw out more slurry.

A kind of jack per line number be 4143921 the disclosed device of patent similarly device be loaded in the ore deposit, place at basin still that this device has tangible problem when underground.A tangible problem is exactly the ground grading under the excavation pit and supports the top, ore deposit, so that make large-scale horizontal basin have practical difficulty in underground construction.Second problem is the economic and reliable that is used to draw the device of slurry, this matching requirements on basin, track is arranged in case mobile pump and guard shield and other the device of the promising basin of filling routinely, for example at pump when tank bottom reclaims slurry, slurry is transported to the controlled funnel on another ground from a ground.

The purpose of this invention is to provide a kind of improved device of from the slurry that contains particulate matter of tool flowing power, isolating particulate matter.

Device disclosed herein has been simplified the recovery slurry problem in the upper and lower mining processes in ore deposit ground really.The first, toward jar in add slurry and without any need for complicated apparatus.The second, without any need for the device that moves, for example pump etc. reclaims slurry.Also have, basin can be installed in the pit as a vertical shaft, thereby has greatly alleviated the complexity of building in the ore deposit.The 3rd, owing to there is not moving-member, the difficulty of mechanical aspects has also significantly reduced.

The application comprises a vertical tank, and it has the top arrangement of importing slurry in a controlled manner.Tank bottom is equipped with the exit skirt suction nozzle, this outspoken connecing towards tank bottom.There is a pipe to link to each other and deflects from basin with exit skirt.Bell-mouthed mouthful downwards, so do not use for a long time when solidifying with slurry when basin, exit skirt can not stop up.In order to be easy to broken slurry, many fluidisation nozzles are housed everywhere around exit skirt.First group of jet hole is down towards tank bottom.Second group of nozzle is contained in tank bottom makes slurry shift to exit skirt.The 3rd group can adorn one towards bell-mouthed nozzle with smash any may be created in this zone gather the slurry piece.

The density of slurry is with the densimeter measurement on the pipeline that is contained in outside the basin in the pipeline.Can adorn flow counter on the pipeline, and with flow counter and the densitometric output input as programming controller.The density of the slurry in moving can be by to connecting that bell-mouthed pipeline adds water and the in addition carefully control of the way that dewaters with pump from basin, this water adds with a density control pump, and its inlet connects storage tank and its outlet and a middle connecting leg join.

In best implementing method, exit skirt with leave being connected of slurry basin pipe level part and should be 90 ° of bend pipes.The discharge that adds with pump can with rotating speed that changes the density control pump or control be in density pump and current add in the middle of valve between the inlet at connecting leg place control, these two one or both of be to bring in control together by the output of programming controller.Guiding storage tank when the top of basin is equipped with overflow pipe and is overflowed for current.

One of problem of the invention that the front is openly crossed is the handling problem of flowing out the solid matter of overflow pipe in reclaimer operation.Quantity, grain size and the density of solid matter that flows out overflow pipe is directly relevant with the flow of outflow overflow pipe slurry in service, that is to say that flow is higher, flow out overflow pipe enter in the overflow basin solid matter the more.

In order to handle the solid matter of overflow, must in basin, comprise the equipment of the removal solid matter that resembles dredging machine one class.In order to alleviate this problem, the present invention discloses use one textural with the second similar recycling can of original recycling can.The overflow of coming out from the reclaiming scrap imports second basin, and at this jar, solid matter is as being deposited on the bottom at first jar.One second exit skirt is installed in the bottom of close second basin, bell-mouthed mouthful of bottom towards second basin, and its outlet is connected to the fluid source of the first basin dilution holes.Granularity generally is that very thin solid matter can penetrate dilution as first basin by the suction of second exit skirt and with the liquid stream of second basin.Process controller can be measured the density of the material that flows out first basin, and adjusts the adding of diluent materials according to this.Because it is very slow leaving the flow velocity of the overflow material of second basin, can obtain 2 significant benefits.First point, the material in second basin have the time enough precipitation; Second point, the flow stream velocity that leaves second basin will be very low.Any solid material that flows out from the second basin overflow pipe will be enough thin, and any pump can both be drawn it from basin; But, under the normal operation situation, can expect, also be very little even spillway discharge is arranged, overflow will flow out to the recovery storage tank from second basin and go.

Fig. 1 is a best embodiment of the present invention, has represented that second recycling can links to each other with first recycling can, and the solid matter that comes out from second recycling can is spurted into the dilution inlet of first recycling can.

Fig. 2 represents alternative plan, and wherein the solid matter that comes out of second basin is removed and is passed in first basin as slurry and deposits.

Referring to institute drawings attached, particularly Fig. 1, the slurry basin of arrow 10 indications comprises sidewall 11 and bottom 12.Sidewall and bottom can be made with metal, cement or other any material easily.Reality depends on what material what material most convenient place and this place that basin is installed obtain.Overflow device is by being made around an expansion section 13 at basin 10 tops 14, and the top 15 of this expansion section is than top 14 height of basin 10.Expansion section 13 has a bottom 16 to join with 13 hermetically, to accept overflowing of liquid.Overflow pipe 17 is by shut off valve 18 connecting tubes 19, and pipeline 19 connects second regenerating tank of pointing out with arrow 20.Slurry is defeated next from an ore faces 9, by for example pipeline 21, to the inlet device of pointing out with arrow 22.Inlet device can be fixed in basin sidewall 11, expansion section 13 or top, ore deposit (not drawing among the figure) as fastening parts (not drawing among the figure) with any way.The function of inlet device 22 is exactly that the removal high velocity liquid flows eddy current that produces and the air of carrying secretly when pipeline 21 flows into basins, and it generally is made up of column part 23 and the tapered segment 24 of taking mouth 25 out of.The liquid stream that enters inlet device from pipeline 21 is generally guided from pipeline 21 by outlet 26, makes liquid stream around inlet device 22.This can prevent that liquid stream from spilling the top, and reduces other problem, in order to slow down eddy current, thereby slows down the overflow in the basin 10, has added many blades at cone part 24, and the mode of its layout can slow down or stop the rotation of slurry 28 in inlet device 22.Only shown a slurry input pipe 21 among the figure.Clearly can install more input pipe from other ore faces.

In a single day slurry 28 is slowed down by blade 27, it is just fallen on the slurry bed 32 along the direction of arrow 31, and slurry bed 32 deposits by the direction of arrow 33.

Here the intake section 22 of Xian Shiing is another theme of applying for, and clearly proposes not as a part of the present invention.

The transfer of slurry is finished by a device, and this device comprises an exit skirt 35, and exit skirt 35 connects 90 ° of bend pipes 36, horizontal pipe 37, and horizontal pipe 37 arrives slurry pump 40 by shut off valve 39 again by the opening 38 on the sidewall 11.The outlet connecting pipe road 41 of pump 40, pipeline 41 can connect bont 42, if basin 10 is low than the destination of transporting to of slurry.Bont 42 connects one and leads to for example pipeline 43 of pre-treatment plant (when slurry is water and coal) of slurry final destination, and is fairly obvious, if basin is positioned at ground, just do not need bont.Pump 40 just directly links to each other with pipeline 41 in this case, and pipeline 41 will link to each other and do not connect bont with slurry final use device.Can add upper check valve 29 and shut off valve 30 if desired.

In order to measure the slurry density of going to pump 40 by pipeline 37, density measuring equipment 45 series connection are contained on the pipeline 37, and 45 mouth is by the input end 47 of lead 46 linker controllers 48.Flow counter 49 is by an input end 51 of lead 50 linker controllers 48.

One second exit skirt 55 connects the inlet 58 of pump 59 by pipeline 56, shut off valve 57.The outlet 60 of pump 59 connects boiler check valve 61, shut off valve 62 leads to pipeline 63.Pipeline 63 connects three-way pipes 64, one of three-way pipe 64 by flow counter 65 to boiler check valve 66, control cock 67, shut off valve 68 to pipeline 69,70,90 ° of bend pipes in the dilution mouths of a river that pipeline 69 connects on 90 ° of bend pipes 36 connect exit skirts 35 and pipeline 37.Variable speed drive device 71 mechanically is connected with the turning cylinder of pump 59 by connecting rod 72.A mouth 73 of programming controller 48 connects by the input end 75 of lead 74 with speed-changing driving device 71.Flow counter 65 is connected by the input end 77 of lead 76 with programming controller 48.Similarly, pump 40 makes a speed-changing driving device 80 connect by the turning cylinder of connecting rod 81 with pump 40.Speed-changing driving device 80 is controlled by the mouth 82 of programming controller 48, and it connects with the input end 84 of lead 83 with speed-changing driving device 80.

For fluidisation suitably needs the material that takes out from basin 10, a plurality of fluidisation nozzles are housed.First group of fluidisation nozzle 85 is contained on the manifold 86.Nozzle 85 is to coal seam 32 ejection jet streams shown in lines 87.Manifold 86 is connected pump 90 with necessary non-return with shut off valve 89 by pipeline 88.The inlet of pump 90 is by pipeline 91 connecting tubes 92.Pipeline 92 is by the inlet 94 in the shut off valve connection basin 20.Jet stream of fluidisation nozzle 95 ejections shown in lines 96.Nozzle 95 connects manifold 97, is connected the outlet 99 of pump 100 with boiler check valve 98 by damming of necessity.The inlet 101 of pump 100 is by pipeline 102 connecting tubes 92.

Another of three-way pipe 64 enters inlet device 22 by the extendible portion of pipeline 103, shut off valve 104, pipeline 103 as second input port 106.If desired, a replacement water source 116 can lead to three-way pipe 118 by pipeline 117.Three-way pipe 118 can or lead to basin 20 along the direction of pipe 119 with valve 120 controls and adds water, perhaps passes through pipeline 121, control cock 122 toward pipeline 123 supplies as dilution, arrives dilution outlet 124 at last.Valve 122 is subjected to be connected in by lead 125 programming controller 48 controls of its outlet 126.The liquid of dilution outlet 70 is subjected to valve 67 controls as previously mentioned, and valve 67 is connected in a mouth 131 of programming controller 48 by lead 130.The liquid level of basin 20 is monitored continuously with certain level sensor.The height of the water surface can be with level sensor spare 132 control, and 132 are connected in an input end 134 of programming controller 48 by lead 133.Add water if desired in addition, valve 120 can be by manually or provide signal by programming controller 48 and open automatically.Level sensor spare 132 can be when liquid level reaches suitable height the closing of by-pass valve control 120, valve also can be closed with hand.

The liquid stream that overflows from basin 20 is accepted by catcher 156, and catcher 156 155 connects basins 20 by entering the mouth, and is connected with storage tank 153 with pipeline 149 by pipeline 147, valve 148.

The 3rd fluidizer shown in the basin 10 comprises the nozzle 140 that points to exit skirt 35.This fluidisation nozzle does not generally need, and needn't consider the in service of device yet, but will use when exit skirt stops up.Nozzle is self-clean type preferably, particularly because its mouth up and be easy to blocked.It can pass through pipeline 141, valve 142 connects pump 143.Pump 143 connecting tube 144 subsequently is last to pipeline 92.Similar fluidisation nozzle is also arranged in basin 20, because the function of their operation is the same with the fluidisation nozzle in the basin 10, therefore will be no longer to its discussion.

Programming controller 48 has a chest 145 that indicates " predetermined value ".This shows that generally it allows the operator that programming controller 48 is made one or more controlled condition, and chest 145 is by lead 146 linker controllers 48.Predetermined value generally is included in the programming controller as the part of controller.For example predetermined value will determine the suitable liquid level of basin 20, and decision is passed through the suitable liquid flow rate of bont pipeline 43 and determined the density of slurry in the pipeline 37, and other necessary parameter in service that will be described subsequently.Programming controller can include only a device, also can be included as the normal operation of system and carries out the required multiple arrangement of various control.

Derive from the slurry material of underground or surface mining face or be suspended in material in the fluid by mining face produced.These materials are transported to inlet device 22 through pipeline 21.These materials can be coal, phosphate, iron ore or other slurry material.For simplicity, this explanation is only limited to the description to the coal slurry.Yet application of the present invention and device are not limited to this.

As previously mentioned, enter the slurry of pipe 21 through exporting 26 inflow inlet devices 22.When slurry adds hold tank 10, must reduce its disturbance, slurry layer 32 just can not stirred like this, makes excessive particulate material cover the top 14 of basin 10 as far as possible.And can not disturbance when adding slurry too big, so that slurry spills the top of inlet device 22, flow surface produces disturbance in hold tank 10, thereby makes large particulate matter overflow the top of hold tank 10.When slurry enters inlet device 22, produce eddy current (as shown in the figure) and impact blade 27.Blade 27 is consistent with fluid flow direction, makes material stop swirling flow like this and flows out the bottom of inlet device 22.The air that the centnifugal force that is produced by swirling flow or eddy current will be entrained in the slurry is got rid of.Outlet 25 diameter is quite big and be designed to a low speed outlet.In addition, in the fluid that inlet device 22 immerses in the hold tank 10, further to reduce from exporting 26 disturbances that material was produced that flow into.Material is by the stream that is directed downwards of arrow 31, thereby formed slurry layer 32 in the bottom of hold tank 10.Slurry continues deposition along the direction of arrow 33.For material is discharged, be transported to bont then, by speed-changing driving device 80 and mechanical linkage 81 driving pumps 40, at first in pipe 37, produce negative pressure then in exit skirt suction nozzle 35, at this moment material just is inhaled into suction nozzle 35, through manage 37, flow counter 49 and densimeter 45.Flow counter 49 and densimeter 45 will be measured the flow and the density of slurry respectively, and its result of a measurement is input to the input end 51 and 47 of programming controller 48 respectively by lead 50 and 46.The sampling of 48 pairs of measured flows of programming controller and density also compares with predetermined value in 145, if density is suitable, does not change by the signal of mouth 131 to lead 130.If relatively error is arranged, signal will change according to the error that records.If density is too high, make valve open for 67 1 signals of control cock from mouth 131, allow more fluid flow to dilution outlet 70 through managing 69, make the fluid dilution in the induction pipe 37.

The present invention relates to obtain the method for the granular material at the method for diluted fluid and the top 14 that hold tank 10 is overflowed in processing.The pipe 19 of material through overflow pipe 17, valve 18 and back that overflows top 14 is deposited in the hold tank 20, and the speed of the fluid that the amount of the solid matter in jars 20 is partly overflowed by the top 14 of jar 10 is determined.In some cases, this inventory is sizable, can surpass per hour 35 tons.This material flows into jar 20 and is deposited on bottom (as the same along the deposition of direction shown in the arrow 33 at material in the jar 10) through managing 19.Different in the material in jars 20 and jars 10, material particles is smaller in the jar 20, and for example, diameter is 1 millimeter or littler.Because material is very thin, it can be used as from the diluent of the material of pipe 37 discharges of jar 10.In addition, can also extract it out jar 20 fully with suction nozzle 55, through suction nozzle 55, pipe 56, shut off valve 57 is to pump 59.Pump 59 is transported to pipe 63 with this fluid through exporting 60, and through flow counter 65, valve 66,67 and 68 is to outlet 70.The material of suction suction nozzle 55 can have two kinds of methods to control.One records its flow with flow counter 65, and flow counter 65 links to each other with the input end 77 of programming controller 48 through lead 76.Its two, as previously mentioned, the density of outlet and flow can be measured by densimeter 45 and flow counter 49.Programming controller generally is to come dominant discharge by method discussed above, and it passes to valve 67 at signal of mouth 131 outputs through lead 130.A function of great use of flow counter 65 is to preestablish the switch position of by-pass valve control 67 and the rotating speed of pump 40.Can be according to the requirement of controller 48, the signal by mouth 73 is the measured flow of regulating control flow counter 65 carefully, and the signal of mouth 73 is input to the input end 75 of speed-changing driving device 71 through lead 74.Actuating device 71 can be according to the variation of the relative predetermined value of flow, and the signal of the rotating speed of a change pump of transmission is to the impeller of connecting device 72 and pump 59.If need to strengthen through 70 the flow of entering the mouth, programming controller transmits a corresponding signal that increases and gives speed-changing driving device 71, and the revolution of actuating device is increased, thereby the flow of fluid in the pipe 63 is increased.If it is too big that the increase of this flow causes that the last plane of the material in the jar 20 falls, level indicator 132 will be pointed out this situation to 134 1 signals of input end of programming controller 48.At this moment, will open valve 120,119 in basin 20, add liquid to pipe from another water source 116 through managing 117.Valve 120 is also by programming controller 48 controls (not expressing among the figure).Obviously, any one valve can be controlled by programming controller 48.Therefore, the level change signal of level indicator 132 indications also can be transmitted by programming controller 48 as previously mentioned, and controller 48 can be given 120 1 signals of valve, adds water for basin 20.

When this system starts at first, there is the solid matter of a great deal of to be deposited on its bottom in the storagetank 20.The diluted fluid that is inhaled into exit skirt 55 may substantially exceed the density of the material of normal suction bell.In this case, need the fluid of dilution part suction bell 55, so that the fluid density in starting period chien shih pipe 37 obtains suitable control as early as possible.In this case, can add dilution by the signal control of controller 48, the signal of mouth 126 is delivered to valve 122 through lead 125; Therefore, if the fluid density of suction bell 55 is too big, valve 122 will be opened, and density is reduced to suitable value.Directly with on 70 pipes that communicate that enter the mouth the densimeter (not shown) is housed all in that pipe 56,63 or other are any, from another related application, can obviously find out, if desired, the density of slurry can carefully be controlled according to densitometric result of a measurement in this pipeline.Be lower than the plane of allowing if the fluid in the basin 10 begins to drop to, and the slurry density that induction pipe 37 is taken away by pump is when being minimum allowed value, just must be in not changing induction pipe 37 under the situation of fluid density, in basin 10, add fluid.To achieve these goals, can open the valve 104 on the pipe 103, in inlet device 22 and jar 10, add water by second input port 106.Use said method, also can add fluid by dilution inlet 70.Fluid can accumulate in basin 20 once in a while, fluid need be discharged to an interim storage groove.Fluid is discharged from exporting 155.Outlet 155 communicates with collecting region 156, connection pipe 147 downwards then, and flow regulating valve 148 and another manage 149 up to storage tank 153.

Referring to Fig. 2, describe an improved embodiment among the figure.Parts identical with Fig. 1 are with identical symbolic representation in Fig. 2, and what Fig. 2 and device shown in Figure 1 were the most basic is not both from the device of jar 20 to jar 10 conveying solid substances.Solid is to be inhaled into exit skirt suction nozzle 55 in Fig. 1, and through managing 56, pump 59 manages 63 to dilution holes 70.This flow process makes slurry not carry out recirculation in jar 20 and solid is discharged system fully.Fig. 2 has described a kind of solid is made solids recirculation and deposits with the slurry that comes from mine the pipe 21 from jar 20 to jar 10 conveying solid substances.In order to finish said process, the slurry layer 34 in the basin 20 is inhaled into exit skirt 55, reaches and pipe 56 pipes that directly communicate 107 through managing 56.Material is through the inlet 110 of shut off valve 109 to pump 111 then.Flow out from exporting 112 then, to pipe 114, flow in the inlet device 22 through exporting 115 from managing 114 through valve and cut-off equipment 113a and 113b.The material that solid in the suction bell suction nozzle 55 and liquid come from the slurry source in pipe 21 deposits, and the slurry of pipe 21 also is deposited in the inlet device 22 in entrance 26.Between the starting period or At All Other Times, need be in basin 20 during the disturbance material, preferably only recirculation in jar 20.For this purpose, connect a pipe 207 and link to each other with pipe 209, and annotate back jar 20 through valve 208.

System shown in Fig. 2 is not as system shown in Figure 1 efficient height because Fig. 2 system needs continuous recirculation, and some slurry can be once more from top 14 overflows of basin 10 and through manage 17, valve 18 and manage 19 and flow back to basin 20.Liquid-level controller (LLC) 132 works by linking to each other with the input end 134 of controller 48 with lead 133 as previously mentioned, and the device in the basin 10 comprises exit skirt suction nozzle 35, bend pipe 36 and discharge pipe 37.What this device was different with device shown in Figure 1 is, the fluid that flows out from dilution holes 70 is that the outlet 94 from the basin 20 is extracted out, through manage 92, valve 93 and splicing sleeve 92 be to pipe 160, pipe has flow counter 65 on 160, and flow counter 65 is by lead 76 link to each other with the input end 77 of controller 48 (as shown in Figure 2).Pipe 160 links to each other with the inlet 58 of pump 59.The outlet 60 of pump 59 links to each other with valve system 66,67,68.If overflow takes place basin 20, the slurry of overflow flows into collecting zone 156 through opening 155, and through managing 147, valve 148 and pipe 149 are to storage tank 153.

The function of basin 10 is just no longer described at this with shown in Figure 1 identical.When material overflows jars 10 top 14, inflow pipe 17 and 19 is to basin 20 downwards, and material puts aside formation one solid layer 34 jar 20 in.These solids are inhaled into exit skirt 55, enter pipe 56, then upwards to managing 107, the inlet 110 of inflow pump 111 is transported to outlet 112, then through boiler check valve 113b and valve 113a and manage 114 under pressure, to inlet 115, from the 115 inflow inlet devices 22 that enter the mouth.If wish or need recirculation, shutoff valve 113a opens valve 208.Material is inhaled into exit skirt 55, through managing 56 and 107, and valve 109, pump 111, then downwards through managing 207, valve 208 and pipe 209 flow into jars 20.Above flow process is suspended in the liquid all fine graineds.In case when using this system, have enough disturbances in the basin solid is suspended, if above-mentioned situation takes place, shutoff valve 208 is opened valve 113a.Through valve 113a, material is to flow into basin 10 from managing the same mode of 21 slurry of coming in from exporting 26 with other.Obviously, any material that enters inlet device 22 as previously mentioned all will be pressed the direction shown in the arrow 33 to slurry layer 32 deposition.But, there is the material of small scale will overflow jars 10 top 14 very much, overflow to jars 20.Yet this system is the density of material in the control tube 37 meticulously, because material can not mix with the solid material that comes from jar 20, yet efficient can be hanged down a bit slightly like this, because the recirculation between jar 10 and jar 20 of a certain proportion of material is arranged.

Obviously, also available other array mode is come from jar 20 to jar 10 convey materials, and conspicuous like this array mode all belongs within the scope of specification sheets and claims.

Claims (13)

1, be used to handle the storage and the regenerative apparatus of the slurry of being made up of particulate matter and fluid, this storage and regenerative apparatus comprise one first hold tank device, and this device has the sidewall and the end; The device that adds slurry to the first hold tank device; One fixed installation and downward opening suction nozzle, this suction nozzle is connected with pumping plant by pipeline, and the nozzle of fluidisation slurry is arranged around the suction nozzle; Be contained in the dilution control punch device between suction nozzle and the pumping plant, this device comprises the dilution control setup, and it links to each other the control punch device with fluid source; And an overflow device, its improvement comprises:

The second hold tank device that one sidewall and the end are arranged; Be used for the overflow device and the second hold tank device bonded assembly device; Be installed in second hold tank and downward opening second nozzle unit; Make material be transported to the connecting device of the first hold tank device from downward opening second nozzle unit of the second hold tank bottom of device,

Utilize said apparatus, can and from second hold tank, be sucked out to deposition in second hold tank, be recycled in the first hold tank device from the fluid of the first hold tank overflow and particulate matter.

According to the described device of claim 1, it is characterized in that 2, make material be transported to the connecting device of the said first hold tank device from said second hold tank bottom, its input mode is as leading to the fluid source that dilutes control setup.

According to claim 1 or 2 described devices, it is characterized in that 3, the density measuring equipment with a mouth is contained in the pipeline that connects suction nozzle and fluid source; Flow measurement device with a mouth is contained in the device that connects second nozzle unit and dilution control punch device; Process controller includes input end and mouth and Connection Density measurement mechanism mouth and the flow measurement device mouth device to the process controller input end; Arrive the device that dilutes control setup with the mouth of linker control setup.

According to the described device of claim 1, it is characterized in that 4, make material be transported to the connecting device of first hold tank from second hold tank bottom, its input mode is to lead to first hold tank with slurry form.

5,, it is characterized in that the connecting device that is transported to first hold tank from second hold tank bottom comprises that a bypass makes material flow back to second hold tank according to the described device of claim 4.

6,, it is characterized in that fluid source is from second hold tank according to the described device of claim 4.

7,, it is characterized in that fluid source is from second hold tank according to the described device of claim 5.

8, according to claim 1 or 2 described devices, it is characterized in that having second flowermeter of a mouth to be contained in the pipeline that connects suction nozzle and pumping plant, its mouth links to each other with process controller as an input end.

9, by claim 1,2 or 4 described devices, it is characterized in that second hold tank comprises the fluidisation spray nozzle device, and the fluid of said discharge is connected with the fluidisation spray nozzle device of second hold tank.

10, be used to handle the storage and the regenerative apparatus of the slurry of being made up of particulate matter and fluid, this storage and regenerative apparatus comprise a band sidewall and the first hold tank device at the end; The device that adds slurry to the first hold tank device; One fixed installation and downward opening suction nozzle, this suction nozzle is connected with pumping plant by a pipeline, and the nozzle of fluidisation slurry is arranged around the suction nozzle; Be contained in the dilution control punch device between suction nozzle and the said pumping plant, this device has one second pumping plant, and this second pumping plant is contacted mutually with a fluid source and dilution control punch device; And an overflow device, its improvement comprises:

The second hold tank device that one sidewall and the end are arranged is used for the overflow device and the second hold tank device bonded assembly device; Be installed in second hold tank and downward opening second nozzle unit; Make material flow out to the connecting device of second pump from downward opening second nozzle unit of the second hold tank bottom of device, this material is as the fluid source of second pump,

Utilize said apparatus, from the fluid of the first hold tank device overflow and particulate matter to second hold tank in deposition and from second hold tank sucking-off spray into dilution control punch device in the regenerative apparatus as fluid.

11,, it is characterized in that second hold tank comprises the fluidisation spray nozzle device, and the fluid of said discharge is connected with the fluidisation spray nozzle device of second hold tank according to the described device of claim 10.

12, according to the described device of claim 10, it is characterized in that second pumping plant is driven by speed-changing driving device, comprise the device of controlling speed-changing driving device, measure the device of suction nozzle place fluid density; The process controller that output unit and input media are arranged; Connect the mouth of said density measurement device and the device of said programme controlled input end; With the device that is connected said programme controlled mouth and control speed-changing driving device.

13, according to the described device of claim 12, it is characterized in that comprising and be used to measure the device that the material that flows out from second hold tank bottom passes through the flow of connecting device, this material is as said fluid source, the device of said measurement flow produces an output signal, and this signal is admitted to the input media of process controller.

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