CN102679764A - Powder suspension cooling machine - Google Patents
Powder suspension cooling machine Download PDFInfo
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- CN102679764A CN102679764A CN2012101840002A CN201210184000A CN102679764A CN 102679764 A CN102679764 A CN 102679764A CN 2012101840002 A CN2012101840002 A CN 2012101840002A CN 201210184000 A CN201210184000 A CN 201210184000A CN 102679764 A CN102679764 A CN 102679764A
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Abstract
In order to solve the defects in the prior art, the invention provides a powder suspension cooling machine for cooling powder. The powder suspension cooling machine comprises one stage or multiple stages of suspension coolers, wherein each suspension cooler comprises a cyclone separator and a cooling pipeline, the cooling pipeline is fixedly communicated with the inlet end of the cyclone separator, the cooling pipeline comprises a vertical section, the lower end part of the vertical section is provided with a cold air inlet and a feeding port, the cold air inlet is arranged below the feeding port, the cyclone separator comprises an air outlet and a discharging port, and when the power suspension cooling machine comprises multiple stages of suspension coolers, the discharging port of the cyclone separator of a previous stage of suspension cooler is communicated with the feeding port of a cooling pipeline of a next stage of suspension cooler. By utilizing the characteristics of the powder, the powder is cooled under the suspension state, so that the heat can be adequately and quickly exchanged; and the powder suspension cooling machine is simple in structure and has low energy consumption.
Description
Technical field
The present invention relates to a kind of material cooling device, particularly a kind of powder suspension cooler that is used to cool off powder.
Background technology
The form of cooler has multiple at present; Such as cooling machine, single cooler, chute cooler, vertical cooler etc.; And these coolers all are used for cooling off granular or lump material; Be based on granular material and lump material and have following characteristics: material inside has the space each other, and cold wind can pass the space cooled materials of storeroom; Thickness of feed layer is controlled easily, and the stocking angle of the back material that ventilates changes little.
But for powder, at first, the inner tight of material, give the ventilation deleterious impact, blow such as the part of material and do not pass through or be blown the material hole of running through, cause hot-spot and local powder to be kicked up; Secondly, the bed of material of granular material is wayward, is prone to produce the fluidisation phenomenon.It is thus clear that, also there is not effectively to cool off the equipment of granular material in the prior art, it becomes the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
For solving defective of the prior art, the invention provides a kind of powder suspension cooler that is used to cool off powder, it utilizes the own characteristic of powder, under suspended state, cools off powder, and heat exchange is fully, fast; And powder suspension cooler simple in structure, energy resource consumption is low.
Technical scheme:
A kind of powder suspension cooler; It is characterized in that; Comprise the suspension cooler that one-level or one-level are above, each said suspension cooler comprises cyclone separator and cooling pipe, and said cooling pipe fixedly is communicated with the arrival end of said cyclone separator; Said cooling pipe comprises vertical section; Said vertical section end portion is provided with cold air inlet and feeding mouth, and said cold air inlet is positioned at the below of said feeding mouth, and said cyclone separator comprises air outlet and discharging opening; When powder suspension cooler comprised the suspension cooler more than the one-level, the discharging opening of the cyclone separator of said higher level's suspension cooler was connected with the feeding mouth of the cooling pipe of next stage suspension cooler.
Vertical section of said cooling pipe comprises hollow cylinder section and blast pipe; The port of said blast pipe fixedly is communicated with the lower port of said hollow cylinder section; The upper part that links to each other with said hollow cylinder section of said at least blast pipe is vertical setting; The cross section of said blast pipe is less than the cross section of said hollow cylinder section, and said feeding mouth is arranged on the said hollow cylinder section, and said cold air inlet is arranged on the said blast pipe.
Said vertical section also includes the taper reducing, and the big openend at the top of said taper reducing fixedly is communicated with the lower port of said hollow cylinder section, and the little openend of the bottom of said taper reducing fixedly is communicated with the port of blast pipe.
Said blast pipe comprises vertical part and bending part; Said vertical part and bending part are fixing to be communicated with; The port of said vertical part is the port of said blast pipe; The lower port of said vertical part fixedly is communicated with near mouthful of end of said bending part, and far away mouthful of end of said bending part is said cold air inlet, and said vertical part is fixed with the discharge air valve with the lower wall of the junction of said bending part.
In said vertical section between said feeding mouth and said cold air inlet, be provided with fluid bed.
Vertical section of said cooling pipe comprises hollow cylinder section and taper reducing; The big openend at the top of said taper reducing fixedly is communicated with the lower port of said hollow cylinder section; The lower open end place of the bottom of said taper reducing is fixed with the discharge air valve; Said cold air inlet is arranged on the sidewall of hollow cylinder or said taper reducing; Said feeding mouth is arranged on the sidewall of hollow cylinder section, in the said hollow cylinder section between said feeding mouth and said cold air inlet, is provided with fluid bed.
Vertical section hollow cylinder section of said cooling pipe is provided with one or longitudinally be arranged at intervals with more than one radially reducing, and the draught area of said radially reducing place is less than the former draught area of this place's hollow cylinder section.
Said suspension cooler along continuous straight runs at different levels is provided with, or vertically arranges.
Said powder suspension cooler also includes a duct set road; Said duct set offers the air inlet corresponding to cyclone separator quantity on the road, and the air outlet of the cyclone separator of said suspension cooler at different levels is connected respectively with the corresponding air inlet in said duct set road.
In the duct set road, between two adjacent said air inlets, be provided with air-valve; The said duct set road adjacent with the air outlet of afterbody suspension cooler lower port link to each other with first air-introduced machine, and/or the said duct set road adjacent with the air outlet of first order suspension cooler port link to each other with the hot blast retracting device.
Said first air-introduced machine is communicated with second air-introduced machine, chimney through dust-precipitator successively.
The cold air inlet of said suspension cooler at different levels is communicated with a cooling blower respectively, or the cold air inlet of said suspension cooler at different levels links to each other with same cooling blower.
The cold air inlet of preceding what suspension cooler in the said suspension cooler at different levels links to each other with a cooling blower respectively or links to each other with same cooling blower, and the cold air inlet place of back what suspension cooler in the said suspension coolers at different levels is equipped with cold blast sliding valve respectively.
The below of the discharging opening of the cyclone separator of the below of said each discharge air valve and afterbody suspension cooler is equipped with material conveyor.
Said powder suspension cooler also includes a duct set road; Said duct set offers the air inlet corresponding to cyclone separator quantity on the road, and the air outlet of the cyclone separator of said suspension cooler at different levels is connected respectively with the corresponding air inlet in said duct set road; One port in said duct set road links to each other with first air-introduced machine, and the cold air inlet place of said suspension cooler at different levels is equipped with cold blast sliding valve respectively.
Said discharge air valve is substituted by discharge gate, and said discharge gate below is provided with traditional cooler.
The below of said discharge air valve is provided with traditional cooler.
Technique effect:
The invention provides a kind of powder suspension cooler; This cooler is made up of one or more levels suspension cooler; Suspension cooler includes cooling pipe and cyclone separator, powder and cold wind in cooling pipe, under suspended state, carry out fully, get in the cyclone separator after the heat exchange efficiently, and after in cyclone separator, carrying out gas solid separation; Isolated material is discharged from discharging opening; Isolated gas is discharged from air outlet, and the cooling pipe that the material of discharge can also get into the suspension cooler of next stage further cools off, until satisfying technological requirement.The progression of the suspension cooler that powder suspension cooler comprises is relevant with the requirement of the initial temperature of material and drop temperature.
Preferably; Below the hollow cylinder section, be fixedly connected with a blast pipe, the cross-sectional area of blast pipe is less than the cross-sectional area of hollow cylinder section, and blast pipe has the effect of assembling cold wind and improving wind speed; Cold wind is the cold wind post entering hollow cylinder section of cross section with the cross section of blast pipe; The effect of cold wind post includes: under the situation that includes agglomerating powder in the powder, the cold wind post can prevent that agglomerating powder from falling, and the cold wind post can dispel, be beneficial to follow-up heat exchange with agglomerating powder.
Preferably; Between hollow cylinder section and blast pipe by taper reducing transition; When having avoided the hollow cylinder section directly to be connected with blast pipe; Cold wind produces eddy current in the outer region in the hollow cylinder section, is unfavorable for the suspension of powder, also is unfavorable for dispersing and heat exchange of material, and wasted cold wind; And adopt taper reducing transition, the energy loss of cone little, material suspended good, be beneficial to dispersing and heat exchange of material.
Preferably, be provided with fluid bed in vertical section of the cooling pipe between cold air inlet and feeding mouth, make material suspended better, more abundant with the heat exchange of cold wind.
Wherein, The hollow cylinder section is provided with one or more radially reducing; In the draught area of the radially reducing place draught area less than corresponding hollow cylinder section, the variation of this draught area causes wind speed and airflow field that corresponding variation has also taken place, so can improve the heat exchanger effectiveness between cold wind and the powder; Within the specific limits, radially more, the total heat exchanger effectiveness of the change number of times of more, wind speed of the quantity of reducing and airflow field is high more.
Wherein, be provided with and make compact overall structure for ease, suspension cooler at different levels are along being horizontally disposed with, and layout also can vertically superpose.
Preferably, also comprise a duct set road, the gas of discharging from the air outlet of cyclone separators at different levels compiles in the duct set road, with convenient processing to this part gas, such as: the part to high temperature is recycled; The part of low temperature is carried out entering atmosphere after the dedusting.
Preferably; Be provided with air-valve between each air inlet in duct set road; The gas that gets into from this air inlet with decision is to flow to lower port or the port that links to each other with first air-introduced machine; As a rule, the high-temperature gas that preceding what air outlet is discharged is discharged and is carried out the recycling of high-temperature gas from the port in duct set road, such as: get into rotary kiln; The gas that then what temperature is lower converges to the lower port in duct set road under the effect of air-introduced machine.
Preferably, having under the situation of air-introduced machine, under the situation of powder temperature lower (mainly considering the situation that the material of air-introduced machine can be born); The cold air inlet of suspension cooler (cold air inlet of what suspension cooler after generally being meant) is located and can not linked to each other with cooling blower, and cold blast sliding valve is installed, with air cooled interior powder; To save the energy; Simultaneously, because suspension cooler inside of this moment is negative pressure, its interior powder can be to external diffusion in the suspension cooler; Prevent air pollution, guaranteed staff's health.
Preferably, when the process equipment conditions permit, all cold air inlet places all can not be provided with cooling blower, and cold blast sliding valve only is installed, and utilize first air-introduced machine to make powder suspension cooler inside be in negative pressure state, utilize air cooling powder.
Preferably; When containing more lump material in the powder; Cold wind can't blow afloat lump material, and lump material is discharged from the discharge gate or the discharge air valve of blast pipe, and the lump material of this moment still is in the condition of high temperature; Traditional cooler can be set, with further cooling lump material below discharge gate.The combination of this powder suspension cooler and traditional cooler is used, and can cool off the material that powder and piece material mix effectively, reaches best cooling effect.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present invention;
Fig. 2 is the structural representation of another kind of embodiment of the present invention;
Fig. 3 a, 3b, 3c and 3d are that (wherein, the fine line among the figure is represented cold wind to partial schematic diagram of the present invention vertical section; Dotted line is represented powder).
The Reference numeral example is following:
1-duct set road, 1-1-duct set road port, 1-2-duct set road lower port, the air-valve that is provided with in the 1-3-duct set road, the air inlet on the sidewall in 1-4-duct set road; 2-first order suspension cooler, 2-1-cyclone separator, 2-1-1-arrival end, 2-1-2-air outlet, 2-1-3-discharging opening; The 2-2-cooling pipe, vertical section of 2-3-cooling pipe, 2-4-feeding mouth, 2-5-cold air inlet, 2-6-fluid bed; 2-7-discharge air valve, 2-8-cooling blower, 2-9-blast pipe, 2-10-taper reducing; 3-second level suspension cooler, the feeding mouth of 3-4-second level suspension cooler, 4-n-1 level suspension cooler, 5-n level suspension cooler; The 6-material conveyor, 7-first air-introduced machine, 8-dust-precipitator, 9-second air-introduced machine; The 10-chimney, 11-cold blast sliding valve, 12-discharge gate, 13-tradition cooler.
The specific embodiment
For the purpose, technical scheme and the advantage that make invention is clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the structural representation of first kind of embodiment of the present invention.As scheme visible; Powder suspension cooler of the present invention includes n level suspension cooler, promptly first order suspension cooler 2, second level suspension cooler 3 ... N-1 level suspension cooler 4 and n level suspension cooler 5 are one another in series between the n level suspension cooler; Preferably; N level suspension cooler along continuous straight runs sets gradually that (the arrangement level of being not limited to of n level suspension cooler sets gradually, and can select other any arrangement according to actual condition, arranges such as vertical direction; But under the situation that level is arranged successively, be more conducive to the layout of duct set road 1, material conveyor 6).Because n level suspension cooler is identical, is that example describes with first order suspension cooler 2 now.First order suspension cooler 2 includes cyclone separator 2-1 and cooling pipe 2-2; The port of cooling pipe 2-2 fixedly is communicated with the arrival end 2-1-1 of cyclone separator 2-1; Powder and cold wind mainly carry out heat exchange under suspended state in cooling pipe 2-2; Powder after the heat exchange and gas get in the cyclone separator 2-1 and carry out gas solid separation; Isolated gas gets in the duct set road 1 through the air outlet 2-1-2 of cyclone separator upper end, the air inlet 1-4 in duct set road 1, and isolated powder escapes and enter the feeding mouth 3-4 of the cooling pipe of second level suspension cooler 3 through the discharging opening 2-1-3 of cyclone separator lower end.Cooling pipe 2-2 includes vertical section 2-3 and the vertical bending segment that fixedly is communicated with of port and the arrival end 2-1-1 of cyclone separator 2-1 of section, and preferably, vertical section 2-3 and bending segment are structure as a whole.Vertical section 2-3 is hollow cylindrical body (being the hollow cylinder section) and the taper reducing 2-10 that is positioned at the hollow of hollow cylindrical body below in the present embodiment; The big opening end at the top of taper reducing 2-10 wherein fixedly is communicated with the lower port of hollow cylindrical body, and the osculum end place of the bottom of taper reducing 2-10 is equipped with discharge air valve 2-7.Be provided with feeding mouth 2-4 in the bottom of hollow cylindrical body; The sidewall of taper reducing 2-10 is provided with cold air inlet 2-5, near the big opening end of the taper reducing 2-10 between feeding mouth 2-4 and the cold air inlet 2-5 or be provided with fluid bed 2-6 near the lower port of hollow cylindrical body.Certainly, cold air inlet 2-5 also can be arranged near the lower port of hollow cylindrical body, and cold air inlet 2-5 is lower than feeding mouth 2-4, is provided with fluid bed 2-6 between feeding mouth 2-4 and the cold air inlet 2-5, sees Fig. 3 c.The cold air inlet 2-5 here links to each other with cooling blower 2-8, certainly, can also link to each other with other cold wind source.Powder gets into cooling pipe 2-2 from feeding mouth 2-4; And cold wind gets into cooling pipe 2-2 from cold air inlet 2-5; Cold wind blows to the powder that gets into from feeding mouth 2-4 through fluid bed 2-6, and powder is dispelled under the effect of cold wind and is suspended state to rise; And in the process that rises, carry out fully with cold wind, heat exchange efficiently, and then get into cyclone separator 2-1 and carry out gas solid separation.The fluid bed 2-6 here is not necessary parts, and its effect only is to make the better of powder suspension, to improve heat exchanger effectiveness.But when fluid bed 2-6 was set, the agglomerating material in the powder or the lump material of doping caused the obstruction of fluid bed 2-6 easily, and the discharge of this part material is also inconvenient.
Preferably; The hollow cylindrical body of the vertical section 2-3 of cooling pipe 2-2 is provided with radially reducing; Radially reducing can be provided with one or longitudinally be provided with at interval a plurality of; Radially reducing can be in the radially reducing of center of the prior art reducing, annular reducing, latticed reducing or other types one or several, to strengthen heat exchange effect.
Powder suspension cooler also includes duct set road 1, material conveyor 6, first air-introduced machine 7, dust-precipitator 8, second air-introduced machine 9 and chimney 10 in the present embodiment.Duct set road 1 wherein is a hollow pipeline; Its port 1-1 is the port near the air outlet 2-1-2 of the first cyclone separator 2-1; Its lower port 1-2 is port, its air outlet near the cyclone separator of n level suspension cooler 5 relative with port 1-1; Its port 1-1 can link to each other with the high-temperature gas retracting device, such as: high-temperature gas directly gets into rotary kiln; Its lower port 1-2 is connected with first air-introduced machine 7, dust-precipitator 8, second air-introduced machine 9 and chimney 10 successively; Be provided with corresponding air inlet 1-4 corresponding to the air outlet of the cyclone separator of suspension cooler at different levels, the sidewall in duct set road; Be provided with air-valve 1-3 between two adjacent air inlet 1-4; Operation air-valve 1-3 can change the flow direction of dusty gas, that is, can discharge or discharge from lower port 1-2 from port 1-1; And the foundation of operation air-valve 1-3 mainly is the temperature of this portion gas; As stated, the high-temperature gas recycling, discharge from port 1-1, cryogenic gas enters atmosphere after handling, discharges from lower port 1-2.The high temperature dust gas that preceding what the air outlet of cyclone separator in the present embodiment is discharged is discharged from the port 1-1 in duct set road 1; After the low temperature dusty gas that back what the air outlet of cyclone separator of present embodiment is discharged gets into dust-precipitators 8 and purifies through first air-introduced machine 7; And further entering atmosphere from chimney 10 through second air-introduced machine 9, the dust that dust-precipitator 8 is accepted is discharged on the material conveyor 6.Material conveyor 6 in the present embodiment is positioned at the below of discharging opening of discharging opening and dust-precipitator 8 of cyclone separator of discharge air valve 2-7, the n level suspension cooler of suspension cooler at different levels; Go out mass transport; Certainly, for each discharging position material collecting device can be set separately.
Those skilled in the art are to be understood that; The setting in duct set road 1 is flexibly; Such as a high-temperature gas duct set road and a cryogenic gas duct set road are set, the high-temperature gas of discharging from cyclone separator gets into high-temperature gas duct set road, and can so that to its recycling; The cryogenic gas of discharging from cyclone separator gets into low temperature duct set road, and enters atmosphere after can and then it being purified.
The course of work of present embodiment is following:
Material gets into from the feeding mouth 2-4 of first order suspension cooler 2, and the cold wind that air-cooler 2-8 provides passes fluid bed 2-6 and blows to powder, make it be suspended state and rise, and in the process that rises powder and cold wind has carried out fully, heat exchange fast.Gas after the heat exchange and powder carry out gas solid separation in cyclone separator 2-1; Isolated gas gets in the duct set road 1 through the air outlet 2-1-2 of cyclone separator, the air inlet 1-4 in duct set road; Isolated powder gets into the feeding mouth 3-4 of second level suspension cooler from discharging opening 2-1-3; After repeating said process; The gas of discharging from the air outlet of the cyclone separator of second level suspension cooler 3 gets in the duct set road 1 through the air inlet in duct set road 1, and the powder that the discharging opening of the cyclone separator of suspension cooler 3 is discharged from the second level gets into the suspension cooler of next stage.Repeat above-mentioned steps; Powder has got in the cooling pipe of n-1 level suspension cooler 4 and has further cooled off, and cooled powder and gas gas solid separation in the cyclone separator of n-1 level suspension cooler 4, and the gas after the separation gets into duct set road 1; Powder after the separation gets into n level suspension cooler 5; After repeating above-mentioned cooling step, in the gas input duct set road 1 after cyclone separator will separate, the cooling powder after cyclone separator will separate is discharged on the material conveyor 6.The dusty gas that gets in the duct set road is operated air-valve 1-3 according to its temperature, and the dusty gas of high-temperature part carries out recycling, all the port 1-1 from the duct set road discharges, and the dusty gas of low temperature part enters atmosphere after dust-precipitator 8 purifies.
Wherein first air-introduced machine 7 and second air-introduced machine 9 can not be provided with, and the low temperature dusty gas can purify and enter atmosphere through dust-precipitator 8 under the effect of what cooling blower of back.But when first air-introduced machine 7, second air-introduced machine 9 are set, are more conducive to gas and discharge from lower port 1-2.Under the situation that first air-introduced machine 7, second air-introduced machine 9 are set, the back what suspension cooler cooling blower can, under action of negative pressure, be used as refrigerating gas with air, at this moment, at the cold air inlet place cold blast sliding valve 11 is set and gets final product, see Fig. 2.And owing in what the duct set road of correspondence, back, in what cooling pipe and the cyclone separator of back, be negative pressure, its interior powder will can not prevent air pollution to external diffusion, guarantee staff's health.
Further preferably, when the conditions permit of process equipment, all cold air inlet 2-5 places all are provided with cold blast sliding valve 11 and get final product; In this case, under the effect of first air-introduced machine 7 and second air-introduced machine 9, make through duct set road 1 to be negative pressure in cyclone separators at different levels and the cooling pipe; As stated; Under action of negative pressure, air gets in the powder suspension cooler through cold blast sliding valve 11 and cools off powder as refrigerating gas, at this moment; Powder will be not can be to external diffusion, prevented the pollution of powder to air, guaranteed staff's health.At this moment, the air-valve 1-3 in the duct set road 11 is removed, and its port 1-1 also makes blind end into.
Fig. 3 a is the structural representation of the vertical section 2-3 lower part of cooling pipe 2-2, and than Fig. 1 and Fig. 2, do not adopt fluid bed 2-6 this moment, but below taper reducing 2-10, be provided with blast pipe 2-9.Blast pipe 2-9 comprises vertical part and bending part (vertically part and bending part can integrative-structure), and the port of the vertical part of blast pipe 2-9 fixedly is communicated with the little openend of the bottom of taper reducing.Because the cross-sectional area of at least vertically part of blast pipe 2-9 is less than the cross-sectional area of hollow cylindrical body; In this case; Vertically part has played and has compiled the cooling wind action; Under the situation of the cooling blower (or other cold wind sources) of same power, than the situation of Fig. 1 and Fig. 2, the speed that offers the cold wind of powder among Fig. 3 is wanted greatly; That is to say that than the situation of Fig. 1 and Fig. 2 Fig. 3 is if provide the cold wind of identical wind speed, and is low to the power requirement of cooling blower.And the cold wind post that is produced by the vertical part of blast pipe 2-9 can prevent effectively that agglomerating material from falling, and can agglomerating material be dispelled, and has improved the efficient of heat exchange.
In addition; Fig. 3 a uses the situation of fluid bed with respect to Fig. 1 and Fig. 2; Lower wall in vertical part and bending part junction is equipped with discharge air valve 2-7; The lump material that mixes in the powder can be directly discharged, and is discharged on the material conveyor 6 from the vertical part of taper reducing 2-10, blast pipe 2-9, discharge air valve 2-7.Preferably, the below of discharge air valve 2-7 is installed with broach hopper.
Fig. 3 b is the another kind of structural representation of the vertical section 2-3 lower part of cooling pipe 2-2.Than Fig. 3 a, Fig. 3 b has omitted the taper reducing, the center that the port of the vertical part of blast pipe 2-9 fixedly is communicated with lower port in the hollow cylinder and vertically the port of part is positioned at the lower port of hollow cylindrical body.Under the prerequisite that has obtained with the identical technique effect of Fig. 3 a; Can there be some defectives in structure shown in Fig. 3 b: cold wind produces eddy current in the outer region in hollow cylindrical body, is unfavorable for the suspension of powder, also is unfavorable for dispersing and heat exchange of material, and wasted cold wind.
Fig. 3 d comprises in material under the situation of a certain proportion of lump material, because lump material can't be blown afloat and from the blast pipe whereabouts, when dropping to discharge air valve 2-7, discharge through discharge air valve 2-7 by cold wind.This moment, the below of discharge air valve was provided with traditional cooler 13, and this part high temperature lump material is cooled off.Cool off when powder suspension cooler adopts air, when promptly its inside was negative pressure under the effect of air-introduced machine, discharge air valve 2-7 can be replaced by discharge gate 12, and lump material directly escapes and enter in traditional cooler 13 through discharge gate 12 and further cools off.Mode shown in Fig. 3 d can be cooled off the mixed material that includes lump material and powder effectively, to reach best cooling effect.
The selection of the progression of the n level suspension cooler in the present embodiment is relevant with the drop temperature of the initial temperature of powder and requirement.Certainly, also can only adopt the suspension cooler of one-level, under these circumstances; Directly drain from the powder that the discharging opening of cyclone separator is discharged through material conveyor 6; From the dusty gas that the air outlet of cyclone separator is discharged, higher as if temperature, directly recycling; If temperature is lower, enter atmosphere after then purifying through dust-precipitator.If dusty gas is the situation of high temperature, duct set road, first air-introduced machine, dust-precipitator, second air-introduced machine and chimney just need be set.If dusty gas is the situation of low temperature, the duct set road and first and second air-introduced machines just need be set.
In addition, among all above-mentioned embodiment, the feeding mouth 2-4 place of cooling pipe is provided with feeding pipe, and the angle between feeding pipe and the horizontal plane is greater than the stocking angle of material.
Claims (17)
1. powder suspension cooler; It is characterized in that; Comprise the suspension cooler that one-level or one-level are above, each said suspension cooler comprises cyclone separator and cooling pipe, and said cooling pipe fixedly is communicated with the arrival end of said cyclone separator; Said cooling pipe comprises vertical section; Said vertical section end portion is provided with cold air inlet and feeding mouth, and said cold air inlet is positioned at the below of said feeding mouth, and said cyclone separator comprises air outlet and discharging opening; When powder suspension cooler comprised the suspension cooler more than the one-level, the discharging opening of the cyclone separator of said higher level's suspension cooler was connected with the feeding mouth of the cooling pipe of next stage suspension cooler.
2. powder suspension cooler according to claim 1; It is characterized in that; Vertical section of said cooling pipe comprises hollow cylinder section and blast pipe; The port of said blast pipe fixedly is communicated with the lower port of said hollow cylinder section, and the upper part that links to each other with said hollow cylinder section of said at least blast pipe is vertical setting, and the cross section of said blast pipe is less than the cross section of said hollow cylinder section; Said feeding mouth is arranged on the said hollow cylinder section, and said cold air inlet is arranged on the said blast pipe.
3. powder suspension cooler according to claim 2; It is characterized in that; Said vertical section also includes the taper reducing; The big openend at the top of said taper reducing fixedly is communicated with the lower port of said hollow cylinder section, and the little openend of the bottom of said taper reducing fixedly is communicated with the port of blast pipe.
4. according to claim 2 or 3 described powder suspension coolers; It is characterized in that; Said blast pipe comprises vertical part and bending part; Said vertical part and bending part are fixing to be communicated with, and the port of said vertical part is the port of said blast pipe, and the lower port of said vertical part fixedly is communicated with near mouthful of end of said bending part; Far away mouthful of end of said bending part is said cold air inlet, and said vertical part is fixed with the discharge air valve with the lower wall of the junction of said bending part.
5. according to the described powder suspension of one of claim 1-4 cooler, it is characterized in that, in said vertical section between said feeding mouth and said cold air inlet, be provided with fluid bed.
6. powder suspension cooler according to claim 1; It is characterized in that; Vertical section of said cooling pipe comprises hollow cylinder section and taper reducing; The big openend at the top of said taper reducing fixedly is communicated with the lower port of said hollow cylinder section, and the lower open end place of the bottom of said taper reducing is fixed with the discharge air valve, and said cold air inlet is arranged on the sidewall of hollow cylinder or said taper reducing; Said feeding mouth is arranged on the sidewall of hollow cylinder section, in the said hollow cylinder section between said feeding mouth and said cold air inlet, is provided with fluid bed.
7. according to the described powder suspension of one of claim 2-5 cooler; It is characterized in that; Vertical section hollow cylinder section of said cooling pipe is provided with one or longitudinally be arranged at intervals with more than one radially reducing, and the draught area of said radially reducing place is less than the former draught area of this place's hollow cylinder section.
8. according to the described powder suspension of one of claim 1-7 cooler, it is characterized in that said suspension cooler along continuous straight runs at different levels are provided with, or vertically arrange.
9. according to the described powder suspension of one of claim 1-8 cooler; It is characterized in that; Said powder suspension cooler also includes a duct set road; Said duct set offers the air inlet corresponding to cyclone separator quantity on the road, and the air outlet of the cyclone separator of said suspension cooler at different levels is connected respectively with the corresponding air inlet in said duct set road.
10. powder suspension cooler according to claim 9; It is characterized in that; In the duct set road, between two adjacent said air inlets, be provided with air-valve; The said duct set road adjacent with the air outlet of afterbody suspension cooler lower port link to each other with first air-introduced machine, and/or the said duct set road adjacent with the air outlet of first order suspension cooler port link to each other with the hot blast retracting device.
11. powder suspension cooler according to claim 10 is characterized in that said first air-introduced machine is communicated with second air-introduced machine, chimney through dust-precipitator successively.
12. powder suspension cooler according to claim 9 is characterized in that the cold air inlet of said suspension cooler at different levels is communicated with a cooling blower respectively, or the cold air inlet of said suspension cooler at different levels links to each other with same cooling blower.
13. powder suspension cooler according to claim 10; It is characterized in that; The cold air inlet of preceding what suspension cooler in the said suspension cooler at different levels links to each other with a cooling blower respectively or links to each other with same cooling blower, and the cold air inlet place of back what suspension cooler in the said suspension coolers at different levels is equipped with cold blast sliding valve respectively.
14., it is characterized in that the below of the discharging opening of the cyclone separator of the below of said each discharge air valve and afterbody suspension cooler is equipped with material conveyor according to the described powder suspension of one of claim 4-6 cooler.
15. powder suspension cooler according to claim 4; It is characterized in that; Said powder suspension cooler also includes a duct set road; Said duct set offers the air inlet corresponding to cyclone separator quantity on the road, and the air outlet of the cyclone separator of said suspension cooler at different levels is connected respectively with the corresponding air inlet in said duct set road; One port in said duct set road links to each other with first air-introduced machine, and the cold air inlet place of said suspension cooler at different levels is equipped with cold blast sliding valve respectively.
16. powder suspension cooler according to claim 15 is characterized in that, said discharge air valve is substituted by discharge gate, and said discharge gate below is provided with traditional cooler.
17. powder suspension cooler according to claim 4 is characterized in that the below of said discharge air valve is provided with traditional cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (5)
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| CN104677118A (en) * | 2015-03-05 | 2015-06-03 | 成都利君实业股份有限公司 | Suspended cooling system |
| CN107285598A (en) * | 2017-07-21 | 2017-10-24 | 北京中科领向环保研究院有限公司 | One kind atomization suspended state outer circulation drying plant |
| CN109900124A (en) * | 2019-04-04 | 2019-06-18 | 南京凯盛国际工程有限公司 | A kind of granular material cooling device |
| CN110495491A (en) * | 2019-10-02 | 2019-11-26 | 祝磊 | The grain drier of dosing |
| CN111018373A (en) * | 2019-12-26 | 2020-04-17 | 刘志浩 | Energy-saving green environment-friendly material coagulant for regenerating ardealite solid waste and preparation method thereof |
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| CN109900124A (en) * | 2019-04-04 | 2019-06-18 | 南京凯盛国际工程有限公司 | A kind of granular material cooling device |
| CN110495491A (en) * | 2019-10-02 | 2019-11-26 | 祝磊 | The grain drier of dosing |
| CN111018373A (en) * | 2019-12-26 | 2020-04-17 | 刘志浩 | Energy-saving green environment-friendly material coagulant for regenerating ardealite solid waste and preparation method thereof |
| CN111018373B (en) * | 2019-12-26 | 2020-11-03 | 刘志浩 | Energy-saving green environment-friendly material coagulant for regenerating ardealite solid waste and preparation method thereof |
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