CN201381264Y - Rotary drum type sludge dryer - Google Patents
Rotary drum type sludge dryer Download PDFInfo
- Publication number
- CN201381264Y CN201381264Y CN200920115738U CN200920115738U CN201381264Y CN 201381264 Y CN201381264 Y CN 201381264Y CN 200920115738 U CN200920115738 U CN 200920115738U CN 200920115738 U CN200920115738 U CN 200920115738U CN 201381264 Y CN201381264 Y CN 201381264Y
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- cylinder
- drum
- interior
- steel bar
- mud
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Abstract
The utility model discloses a rotary drum type dryer which utilizes residual heat of burning tailings to dry sludge. The rotary drum type sludge dryer comprises a machine frame, a supporting mechanism, an inner drum, an outer drum and a driving device, wherein the outer drum is arranged on the machine frame through the supporting mechanism, the inner drum is located in the middle of the outer drum, the outer drum and the inner drum are respectively connected with the driving device, two ends of the outer drum are respectively provided with an outer material inlet and an outer material outlet, and two ends of the inner drum are respectively provided with an inner material inlet and an inner material outlet. The rotary drum type sludge dryer uses burning tailings as a heat source for drying sludge, the heat source and the sludge are respectively arranged in the inner drum or an interlayer between the inner drum and the outer drum, and heat of the heat source is evenly transferred to the sludge through the wall of the inner drum to heat and dry sludge. The rotary drum type sludge dryer has reasonable structure, low drying cost, little heat loss and high heat efficiency, and is beneficial for saving energy.
Description
Technical field
The utility model relates to a kind of drying plant, and the various burning tailings of particularly a kind of use utilize the rotating drum type drying machine that burns tailings waste heat oven dry mud as thermal source, and the oven dry that is mainly used in various mud is handled.
Background technology
The prior art whizzer comprises frame, cylinder, hot air apparatus and drive unit, and material is stirred in cylinder, and leads to the into abundant heat exchange of hot blast of cylinder, reaches the purpose of dried material.Chinese patent application publication number CN1388339 " spiral heat exchanger " discloses a kind of boiler or stove residual heat heat-exchanging device of being used for, and it mainly comprises shell, spirrillum fireworks channel, spirrillum wind or aquaporin, blower fan or water pump, wind or water inlet, hot blast or hot water outlet, refractory baffle, pyrotechnics import, exhanst gas outlet etc.This device flue gas flow long, the heat transfer rate is fast, applied widely." danger waste material rotary type fluidization cold slag three-segment incinerator " disclosed danger waste material rotary type fluidization cold slag three-segment incinerator of Chinese patent application publication number CN101275743 comprises rotary kiln, rotary kiln motor, cooling blower, fluidization cold slag device, three combustion chambers, emergency venting door, quench tower.This incinerator can be handled the danger wastes of various forms, and is low to the pre-treatment requirement of waste.Above-mentioned first to file all utilize hot blast as thermal source in whizzer with the material heat exchange, reach the purpose of dried material.There is following defective in warm air drying: 1, because the air thermal conductivity is low, cause the thermo-efficiency of hot blast heat exchange not high.2, in order to improve the efficient of warm air drying, generally take to improve wind speed, increase air quantity and carry out technical scheme such as hot air circulation utilization, implement these schemes and certainly will cause that the air blast energy consumption increases, thermosteresis increases, be unfavorable for save energy.3, the warm air drying operating temperature is higher all the time, if material is inflammable substance, then has potential safety hazard; If material contains volatile pollution factor, then cause secondary pollution easily.If 4 utilize flue tail gas as thermal source, can break the operating mode balance of boiler, will increase coal consumption in order to guarantee effluent gas temperature.
The utility model content
Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and a kind of rational in infrastructure, thermo-efficiency is high, the mummification cost is low drum-type mud dryer is provided.
The technical scheme in the invention for solving the above technical problem is: this drum-type mud dryer, it is characterized in that: comprise frame, supporting mechanism, interior cylinder, outer cylinder and drive unit, described outer cylinder is erected on the frame by supporting mechanism, interior cylinder is positioned in the middle of the outer cylinder, outer cylinder is connected with drive unit respectively with interior cylinder, described outer cylinder two ends are provided with outer opening for feed and outer discharge port respectively, opening for feed and interior discharge port in interior cylinder two ends are provided with respectively.This drum-type mud dryer uses and burns the thermal source of tailings as oven dry mud, places in the interior cylinder respectively thermal source and mud or the interlayer of interior cylinder and outer cylinder, and the heat of thermal source evenly passes to mud by interior cylinder wall, with the mud heating, drying.Facts have proved that oven dry mud directly uses the burning tailings, uses hot blast such as the boiler warm sludge as thermal source, thermosteresis is few, thermo-efficiency is high, is beneficial to save energy.
Between described outer cylinder of the utility model drum-type mud dryer and the interior cylinder lifting mechanism is set, described lifting mechanism comprises outer arc section steel bar and inner arc section steel bar, the equidistant arrangement of described outer arc section steel bar is fixed on the outer inner wall of rotary drum, the equidistant arrangement of inner arc section steel bar is fixed on the interior cylinder outer wall, the arc of outer arc section steel bar and inner arc section steel bar is crooked in opposite directions, and both do not contact mutually, and length and the stirring steel bar that differs highly straggly are set on the described inner wall of inner drum.Outer arc section steel bar and inner arc section steel bar work to smash mud and promotion mud moves discharge from mud inlet to mud mouth, and prevents from the surface crust that mud causes and hinder further dehydration to evaporate in dehydration; Stir that steel bar rotates along with interior cylinder and the heat of stirring cinder makes it heat energy and fully discharges, and make things convenient for the hot coal slag to move to discharge from the outlet of thermal source inlet heat source.
On the described frame of the utility model drum-type mud dryer height adjustment mechanism is set.By height adjustment mechanism, regulate outer cylinder and interior cylinder angle of inclination, thereby adjust the drying time length of the mud that is dried.
On the described supporting mechanism of the utility model drum-type mud dryer arrangement for adjusting height is set.
The described outer opening for feed of the utility model drum-type mud dryer position is higher than outer discharge port position, interior opening for feed position is higher than interior discharge port position, diameter of cylinder is equal to or less than 1/2nd of outer diameter of cylinder in described, and the length of interior cylinder is longer than outer cylinder.
On the discharge port baffle plate is set in interior cylinder when cylinder was put thermal source in the utility model drum-type mud dryer was described, the outer feed inlet end of the outer cylinder when putting mud in the interlayer of described interior cylinder and outer cylinder is provided with steam outlet.Unlatching by baffle controls thermal source outlet or close, thereby the discharging of control thermal source are convenient to make full use of the heat energy of thermal source; The discharge of steam that steam outlet makes things convenient for the mud oven dry to produce.
Feed inlet end is provided with steam outlet in interior cylinder when cylinder was put mud in the utility model drum-type mud dryer was described, on the discharge port baffle plate is set outside outer cylinder during the mid-heat releasing source of cylinder and the interlayer of outer cylinder in described.
The utility model compared with prior art has the following advantages: 1, rational in infrastructure, good drying effect.The utility model mud drying machine structure is reasonable, takes twin-roll design, carries out heat passagely between outer, interior two cylinders, and transmission speed is fast, and heat scatters and disappears little, has improved heat utilization ratio; Temperature height in the cylinder, the mud good drying effect reaches good drying effect with very low energy consumption; Designs such as lifting mechanism and stirring steel bar, when drying, plays in mud the effect of smashing mud and heat of stirring cinder, the Sludge Surface crust that prevents to cause in the dewatered drying process, make the hot coal slag with heat energy discharge fully, guarantee in the mud the normal evaporation of moisture and dry; The design of cylinder gradient, and tilt adjustable make that the oven dry mud time is controlled, adapt to the oven dry of different water cut rate mud and handle, and guarantee that different water cut rate mud all has good drying effect.2, save energy, mummification cost are low.The utility model oven dry mud thermal source directly adopts industrial waste hot coal slag, such as the heat energy oven dry mud that utilizes the higher boiler hot cinder of temperature, overcome prior art and used hot-air seasoning mud, because the air thermal conductivity is low, cause the not high defective of heat exchange efficiency, adopt industrial waste hot coal slag directly to dry mud, the heat utilization ratio height, save energy reduces mud oven dry cost greatly.3, environmental pollution is little.The utility model mud is dried in cylinder, and oven dry back mud is discharged along with cylinder rotates by discharge port, can not produce objectionable impurities contaminate environment such as flying dust, meets the cleaner production requirement.
Description of drawings
Fig. 1 is the utility model embodiment drum-type mud drying machine structure synoptic diagram.
Fig. 2 is for being sleeved on outer cylinder and interior cylinder cross-sectional structure enlarged diagram together among Fig. 1.
Embodiment
Below by embodiment the utility model is further described.
Embodiment 1:
Referring to Fig. 1, present embodiment is to use and burns the drum-type mud dryer of tailings as thermal source, comprises frame 1, supporting mechanism 2, outer cylinder 7, interior cylinder 9, lifting mechanism and drive unit.Outer cylinder 7 is fixed on the supporting mechanism 2, and supporting mechanism 2 is fixed on the frame 1, and interior cylinder 9 is positioned in the middle of the outer cylinder 7, and lifting mechanism is between outer cylinder 7 and interior cylinder 9, and outer cylinder 7 is driven by 2# drive unit 8, and interior cylinder 9 passes through 4 drivings of 1# drive unit.The drive unit of outer cylinder 7 and interior cylinder 9 can be provided with separately, also can be merged into one.
On the frame 1 height adjustment mechanism is set, handle the required drying time length of moisture percentage in sewage sludge height according to oven dry, regulate frame 1 both sides height by height adjustment mechanism, realize the adjusting of outer cylinder 7 and interior cylinder 9 angles of inclination, thereby adjust the drying time of the mud that is dried.The angle of inclination is big more, and drying time is short more; Otherwise the angle of inclination is more little, and drying time is long more.Outer cylinder 7 two ends are provided with outer opening for feed 5 and outer discharge port 11 respectively, and outer opening for feed 5 positions are higher than outer discharge port 11 positions, opening for feed 3 and interior discharge port 10 in interior cylinder 9 two ends are provided with respectively, and interior opening for feed 3 positions are higher than interior discharge port 10 positions; Carry out heat transmission oven dry mud in the cylinder 9 or in the interlayer 15 of interior cylinder and outer cylinder in entering respectively by inside and outside opening for feed 3,5 thermals source and mud, by the thermal source after inside and outside discharge port 10, the 11 discharge release of heat and the mud of oven dry.Be provided with on interior cylinder 9 inwalls and stir steel bar 13, stir steel bar 13 and adopt thicker steel bar to make, what be welded on inner wall of inner drum respectively stirs steel bar 13 length and highly straggly differing, and between the every stirring steel bar 13 spacing is arranged all, does not contact mutually.For result of use and installation need to consider that cylinder 9 diameters are designed to be equal to or less than 1/2nd of outer cylinder 7 diameters in the embodiment, the length of interior cylinder 9 is grown than outer cylinder 7.The internal and external cylinder diameter is pressed the design of stoving process and throughput requirements, and cylinder 7 in the time, the outer cylinder 7 processing sludge quantities that interior cylinder 9 diameters are more little relatively are big more when mud is placed on outside, but drying time can prolong to some extent; The big more relative treatment capacity of interior cylinder 9 diameters is little, but drying time can shorten.Lifting mechanism comprises outer arc section steel bar 14 and inner arc section steel bar 12, the 14 equidistant arrangements of outer arc section steel bar are fixed on outer cylinder 7 inwalls, the 12 equidistant arrangements of inner arc section steel bar are fixed on interior cylinder 9 outer walls, the arc of outer arc section steel bar 14 and inner arc section steel bar 12 is crooked in opposite directions, and both do not contact mutually, as shown in Figure 2.Outer arc section steel bar 14 and inner arc section steel bar 12 can take welding or mosaicking and fixing method to be fixed on outer cylinder 7 inwalls and interior cylinder 9 outer walls; Equally, stir steel bar 13 and also can take this two kinds of fixed setting methods.
In present embodiment is seated in the cylinder 9 and thermal source and mud in the interlayer 15 of interior cylinder and outer cylinder can exchange according to the different requirements of drying mud, if when putting mud in the interlayer 15 of interior cylinder 9 storing thermals source, interior cylinder and outer cylinder, as shown in Figure 1, on the interior discharge port 10 of interior cylinder 9 baffle plate is set, by the unlatching of discharge port in the baffle controls 10, with the discharging of control thermal source; Outer opening for feed 5 ends of outer cylinder 7 also are provided with steam outlet 6, by the steam that produces in the steam outlet 6 discharging mud oven dry.When if interior cylinder 9 is put the mid-heat releasing source of the interlayer 15 of mud, interior cylinder and outer cylinder, then corresponding change will be done in the installation site of steam outlet and baffle plate, the discharge outlet that promptly discharges the steam of mud oven dry generation is arranged on interior opening for feed 3 ends of interior cylinder 9, and the baffle plate of control thermal source discharging is arranged on the outer discharge port 11 of outer cylinder 7.
During use, the interlayer 15 of mud cylinder 7 and interior cylinder 9 outside outer opening for feed 5 is added to, open 2# drive unit 8, outer cylinder 7 begins to rotate; The hot coal slag is sent in the interior cylinder 9 by interior opening for feed 3, cylinder 9 in the 1# drive unit 4 of cylinder 9 rotates in opening, the direction of rotation of outer cylinder 7 and interior cylinder 9.The hot coal slag transmits heat by the wall of interior cylinder 9 to mud, oven dry mud.The outer cylinder 7 and the interior cylinder 9 that rotate drive outer arc section steel bar 14 and inner arc section steel bar 12 and rotate broken mud together, are beneficial to mud and evenly dry.The steam that oven dry mud produces is discharged by the steam outlet 6 of outer cylinder 7 upper ends, rotation along with outer cylinder 7, outer cylinder 7 is dried simultaneously at quilt with the interlayer 15 interior mud of interior cylinder 9, by outer arc section steel bar 14 of rotating and outer discharge port 11 discharges of inner arc section steel bar 12 promotion warps.Stirring steel bar 13 on interior cylinder 9 inwalls stirs the hot coal slag and slowly pushes the hot coal slag to interior discharge port 10 along with interior cylinder 9 rotates.When the cinder temperature was higher in the interior cylinder 9, if discharge then can be wasted heat energy fast, present embodiment was provided with a plate washer at interior discharge port 10 places, looked the decision of cinder temperature and started baffle plate, the cold cinder of discharge port 10 dischargings in opening.
When this drum-type mud dryer uses, also add the hot coal slags in the interlayer 15 of cylinder 7 and interior cylinder 9 outside, and in interior cylinder 9, add mud, mud in formation hot coal cinder ladle is wrapped up in the cylinder 9,9 li mud bake out temperatures of cylinder are higher in making, the mud drying effect is better faster, is that relative aforementioned applications dryer treatment capacity diminishes, and single too late outer arc section steel bar 14 of stirring steel bar 13 broken mud effects and the inner arc section steel bar 12 that is arranged on interior cylinder 9 inwalls.
Embodiment 2:
The arrangement for adjusting height that present embodiment drum-type mud dryer is regulated outer cylinder 7 and interior cylinder 9 angles of inclination is arranged on the supporting mechanism 2.During use, according to the drying time of the mud needs that are dried, the outer cylinder 7 that is fitted together by this arrangement for adjusting height regulating sleeve and the angle of inclination of interior cylinder 9.Other structure of present embodiment and use are with embodiment 1.
The technology and equipment that drive unit described in the utility model and height adjustment mechanism adopt those skilled in the art to take.Above embodiment has done comparatively detailed description to the utility model; but these descriptions are not to be to restriction of the present utility model, and protection domain of the present utility model comprises those conspicuous to those skilled in the art conversion or substitutes and remodeling.
Claims (7)
1, a kind of drum-type mud dryer, it is characterized in that: comprise frame, supporting mechanism, interior cylinder, outer cylinder and drive unit, described outer cylinder is erected on the frame by supporting mechanism, interior cylinder is positioned in the middle of the outer cylinder, outer cylinder is connected with drive unit respectively with interior cylinder, described outer cylinder two ends are provided with outer opening for feed and outer discharge port respectively, opening for feed and interior discharge port in interior cylinder two ends are provided with respectively.
2, drum-type mud dryer according to claim 1, it is characterized in that: between described outer cylinder and the interior cylinder lifting mechanism is set, described lifting mechanism comprises outer arc section steel bar and inner arc section steel bar, the equidistant arrangement of described outer arc section steel bar is fixed on the outer inner wall of rotary drum, the equidistant arrangement of inner arc section steel bar is fixed on the interior cylinder outer wall, the arc of outer arc section steel bar and inner arc section steel bar is crooked in opposite directions, and both do not contact mutually, and length and the stirring steel bar that differs highly straggly are set on the described inner wall of inner drum.
3, drum-type mud dryer according to claim 2 is characterized in that: on the described frame height adjustment mechanism is set.
4, drum-type mud dryer according to claim 2 is characterized in that: on the described supporting mechanism arrangement for adjusting height is set.
5, according to claim 3 or 4 described drum-type mud dryers, it is characterized in that: described outer opening for feed position is higher than outer discharge port position, interior opening for feed position is higher than interior discharge port position, diameter of cylinder is equal to or less than 1/2nd of outer diameter of cylinder in described, and the length of interior cylinder is longer than outer cylinder.
6, drum-type mud dryer according to claim 5, it is characterized in that: on the discharge port baffle plate is set in the interior cylinder when cylinder is put thermal source in described, the outer feed inlet end of the outer cylinder when putting mud in the interlayer of described interior cylinder and outer cylinder is provided with steam outlet.
7, drum-type mud dryer according to claim 6, it is characterized in that: feed inlet end is provided with steam outlet in the interior cylinder when cylinder is put mud in described, on the discharge port baffle plate is set outside outer cylinder during the mid-heat releasing source of cylinder and the interlayer of outer cylinder in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920115738U CN201381264Y (en) | 2009-03-19 | 2009-03-19 | Rotary drum type sludge dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920115738U CN201381264Y (en) | 2009-03-19 | 2009-03-19 | Rotary drum type sludge dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381264Y true CN201381264Y (en) | 2010-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920115738U Expired - Lifetime CN201381264Y (en) | 2009-03-19 | 2009-03-19 | Rotary drum type sludge dryer |
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| Country | Link |
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| CN (1) | CN201381264Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086082A (en) * | 2010-11-22 | 2011-06-08 | 于波涛 | Rotary sludge treatment system and treatment process thereof |
| CN102491617A (en) * | 2011-12-13 | 2012-06-13 | 史海峰 | Surface sludge spreading device for drum dryer |
| CN105217907A (en) * | 2015-10-26 | 2016-01-06 | 徐明好 | A kind of sludge treatment equipment |
| CN106477849A (en) * | 2016-12-19 | 2017-03-08 | 航天凯天环保科技股份有限公司 | A kind of sludge drying treatment equipment |
| CN108394977A (en) * | 2018-04-09 | 2018-08-14 | 赣州汇桔科技有限公司 | A kind of sanitary sewage disposal impurity flocculation apparatus |
-
2009
- 2009-03-19 CN CN200920115738U patent/CN201381264Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086082A (en) * | 2010-11-22 | 2011-06-08 | 于波涛 | Rotary sludge treatment system and treatment process thereof |
| CN102086082B (en) * | 2010-11-22 | 2012-08-22 | 于波涛 | Rotary sludge treatment system and treatment process thereof |
| CN102491617A (en) * | 2011-12-13 | 2012-06-13 | 史海峰 | Surface sludge spreading device for drum dryer |
| CN102491617B (en) * | 2011-12-13 | 2013-03-13 | 史海峰 | Surface sludge spreading device for drum dryer |
| CN105217907A (en) * | 2015-10-26 | 2016-01-06 | 徐明好 | A kind of sludge treatment equipment |
| CN106477849A (en) * | 2016-12-19 | 2017-03-08 | 航天凯天环保科技股份有限公司 | A kind of sludge drying treatment equipment |
| CN108394977A (en) * | 2018-04-09 | 2018-08-14 | 赣州汇桔科技有限公司 | A kind of sanitary sewage disposal impurity flocculation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG HUAZHANG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUAZHANG ELECTRIC (TONGXIANG) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee after: Zhejiang Huazhang Technology Co., Ltd. Address before: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee before: Huazhang Electric (Tongxiang) Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100113 Effective date of abandoning: 20090319 |