CN102211846B - Drier - Google Patents
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- CN102211846B CN102211846B CN 201010142374 CN201010142374A CN102211846B CN 102211846 B CN102211846 B CN 102211846B CN 201010142374 CN201010142374 CN 201010142374 CN 201010142374 A CN201010142374 A CN 201010142374A CN 102211846 B CN102211846 B CN 102211846B
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- drying machine
- machine according
- agitating vane
- sludge
- drying
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- 238000001035 drying Methods 0.000 claims abstract description 46
- 239000010802 sludge Substances 0.000 claims abstract description 35
- 125000006850 spacer group Chemical group 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 239000002360 explosive Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 206010020852 Hypertonia Diseases 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract 2
- 230000002411 adverse Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005243 fluidization Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a drier for drying dehydrated sludge discharged from a drying sewage plant. The drier comprises a body, three chamber spacer boards, a stirring motor, a stirring shaft and a stirring paddle, wherein the body is provided with a smoke inlet, a sludge inlet and a smoke outlet; the three chamber spacer boards comprise first and second upper spacer boards and a middle spacer board, the first and second upper spacer boards downwardly stretch from the top of the inner cavity of the body, are connected with two side surfaces in the longitudinal direction of the body and divide the inner cavity of the body into three regions along the crosswise direction, and the middle spacer board is connected with the two side surfaces of the body in the longitudinal direction, is arranged between the first and second upper spacer boards and suspended in the midair; the stirring shaft is located under the inner cavity of the body, is connected with the output shaft of the stirring motor and is driven by the stirring motor; and the stirring paddle is installed on the stirring shaft and is used for smashing and throwing the sludge up. According the drier, the drying of the dehydrated sludge can be directly achieved, the drying cost of the dehydrated sludge is reduced, and adverse influences are not generated on the peripheral environment.
Description
Technical field
The present invention relates to a kind of ﹠ Mud equipment, particularly relate to a kind of drying machine, for the treatment of the dewatered sludge of municipal sewage plant's generation.
Background technology
Mud is the inevitable outcome of municipal sewage plant's sewage disposal, enormous amount, and complicated component is difficult to process.The purpose of sludge treatment is to reach minimizing, stabilization, innoxious and resource utilization, and the method for sludge treatment of comparative maturity has landfill, compost and burning etc.
Burning is the at high temperature fully burning of combustiblecomponents that makes in mud, finally becomes stable lime-ash.Burning method have subtract appearance, weight-loss ratio is high, processing speed is fast, and is innoxious more thorough, waste heat can be used for generating or the advantage such as heat supply.In recent years, burning method has adopted suitable pretreatment technology and advanced incinerating method, has reached the self-sustaining of sludge heat energy, and can satisfy more and more stricter environmental requirement, has obtained a large amount of utilizations in developed country especially Japan and Europe.
The sludge treating method that occurred in recent years mud and the generating of coal multifuel combustion in China, this mode receives much concern in economical and technical feasibility, the subject matter of paying close attention to concentrates on the water ratio of mud and adding rate has considerable influence to the thermo-efficiency of burning boiler, moisture percentage in sewage sludge is higher, calorific value is lower, hot contribution rate is less, the mud of 80% water ratio is very low to the hot contribution rate of generating, directly the utilization rate of heat value of deodorization by incineration sewage sludge is extremely low, not only can not utilize organic calorific value in mud, also need replenish a large amount of high-grade fuels as ignition dope.Dewatered sludge water ratio high (75%～85%), viscosity is large, is the viscous semi-fluid condition, for guaranteeing mud and coal dust good mixing effect, reducing, boiler and combustion system is had a negative impact, and develops a kind of sludge drying device imperative.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in prior art.For this reason, one object of the present invention is to propose a kind of drying machine that improves sludge drying speed.
According to drying machine of the present invention, be used for the dewatered sludge that the mummification Sewage Plant is discharged, comprising: body, described body along laterally forwardly the top be provided with gas approach and mud import, and the top, rear is provided with exhanst gas outlet; Three interventricular septum plates, comprise the first upper spacer, the second upper spacer and median septum, described the first and second upper spacers are connected and described chamber body are separated into Three regions along horizontal direction to downward-extension and with the two sides of body longitudinal direction from the chamber body top, described median septum is connected with the two sides of body longitudinal direction, between described the first and second upper spacers and the up and down unsettled; Agitator motor; Stir shaft, described stir shaft is positioned at the below of chamber body, and is connected with the output shaft of described agitator motor and is driven by described agitator motor; And agitating vane, described agitating vane is arranged on described stir shaft, is used for broken and throws mud.
Can directly realize the dewatered sludge mummification by the stirring of dewatered sludge in the Three regions of chamber body membrane formation according to drying machine of the present invention, reduce dewatered sludge mummification cost, and can not have a negative impact to surrounding enviroment.
In addition, also have following additional technical feature according to drying machine of the present invention:
Described body is enclosed.
The upper end of described median septum is not less than the lower end of described the first and second upper spacers.
Described median septum is positioned at the centre of described the first and second upper spacers in the horizontal.
The angle [alpha] of the Plane Rotation that limits with respect to the axis of the support bar of the axis of stir shaft and blade at agitating vane described in the described Three regions that laterally is divided into is different respectively.
The scope of the angle of rotation α of described agitating vane is 0～55 °.
Adopt such agitating vane, can and throw the effective fragmentation of the dewatered sludge that enters drying machine, in the increase chamber body, the contact area of dewatered sludge and high temperature drying air-flow, improve heat-transfer effect, thereby improve the drying machine processing power.In addition, the agitating vane of this structure can also be transported to exit end from entrance end gradually with dewatered sludge.
Further be provided with the explosive door of avoiding the body interior hypertonia on body, described explosive door is arranged on described bodies top outer wall.
Further being formed with the apparatus measures hole on body, is the interface of the table meters such as pressure warning unit, temperature, humidity, flow.
Check the inspection door of body interior when further being formed with for shutdown on body.
According to drying machine of the present invention, be used to from the high-temperature flue gas waste heat of power plant the dewatered sludge mummification of water ratio high (75%～85%) the semi-oriented mud to water ratio lower (20%～30%) can effectively be reduced the sludge drying cost with respect to indirectly drying equipment (namely doing thermal source with oil or steam).Do not affect the performance of organism combustible portion in mud according to drying machine of the present invention, just remove moisture content in mud, thus reduce mud and coal mix when burning the bunker coal systematic influence, effectively solve municipal sludge and dispose difficult present situation.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the phantom view according to drying machine of the present invention;
Fig. 2 is the single agitating vane of the drying machine shown in Fig. 1 and the schematic diagram of support bar;
Fig. 3 is the vertical view of Fig. 2, wherein not shown support bar;
Fig. 4 is the side-view of an embodiment of the agitating vane shown in Fig. 2 and support bar, and wherein agitating vane tilts with respect to support bar; And
Fig. 5 is the side-view of another embodiment of the agitating vane shown in Fig. 2 and support bar, and wherein agitating vane is the plane that the second end of arc and vane departs from the support bar place.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " interior ", " outward ", " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, " top ", " end " be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
Below with reference to the drying machine of Fig. 1 description according to the embodiment of the present invention.
As shown in Figure 1, a kind of according to an embodiment of the invention drying machine is used for the dewatered sludge that the mummification Sewage Plant is discharged, and comprises body 1, three interventricular septum plates, agitator motor 5, agitating vane 6 and stir shafts 7.
Body 1 is enclosed, and along laterally forwardly the top be provided with gas approach 2 and mud import 11, alternatively, mud import 11 is connected with the inlet ductwork of gas approach 2, react so that mud and high-temperature flue gas can enter in the inner chamber of body 1 simultaneously, wherein, high-temperature flue gas is to extract before the flue gas of coal-burning power plant enters air preheater, flue-gas temperature is 300～400 ℃, and the extraction amount is less than 10% of the amount of flue gas emission that enters air preheater.
The top, rear of body 1 is provided with exhanst gas outlet 3, and the semi-dry sludge dust after mummification will be carried secretly by exhanst gas outlet 3 by low-temperature flue gas and discharge drying machine.
Three interventricular septum plates comprise the first upper spacer 101, the second upper spacer 102 and median septum 103.Wherein, the first upper spacer 101 is connected to downward-extension and with the two sides of body 1 longitudinal direction with the inner cavity top of the second upper spacer 102 from body 1, and the first upper spacer 101 and the second upper spacer 102 are separated into Three regions with body 1 inner chamber along horizontal direction, i.e. elementary fluidization regions A, suspension zone B and discharge region C.And median septum 103 is connected with the two sides of body 1 longitudinal direction, between the first and second upper spacers 102 and the up and down unsettled.Particularly, the upper end of median septum 103 is not less than the lower end of the first upper spacer 101 and the second upper spacer 102.Alternatively, median septum 103 can be positioned at the centre of the first upper spacer 101 and the second upper spacer 102 in the horizontal.
Agitating vane 6 is closely arranged and is arranged on stir shaft 7, is used for broken and throws mud.Agitating vane 6 and stir shaft 7 synchronous rotaries.There is angle of rotation α in agitating vane 6 with respect to the plane that the axis of the support bar of the axis X of stir shaft and blade limits, alternatively, as shown in Figure 2, the blade of agitating vane 6 is the rectangle steel plate, steel plate is connected with stir shaft 7 by support bar, and the angle between the plane that the axis X of steel plate and stir shaft 7 and the axis of support bar limit is angle of rotation α.For example, as shown in Figure 3, when agitating vane 6 was positioned at vertical orientation, agitating vane 6 was exactly the angle of rotation α of agitating vane 6 in the projection on horizontal plane and the angle between axis X.
As shown in Figure 4, agitating vane 6 with respect to the support bar place and be obliquely installed with the plane of the axis X quadrature of stir shaft 7, alternatively, the angle of inclination beta of agitating vane 6 is 0 °～55 °, throws material thereby more be conducive to agitating vane 6.
As shown in Figure 5, in another embodiment of the present invention, agitating vane 6 is arc.Thereby the second end of agitating vane 6 depart from the support bar place and with the plane of the axis X quadrature of stir shaft 7, namely agitating vane 6 is obliquely installed with respect to this plane.
Be in elementary fluidization regions A, suspension zone B and discharge region C in the Three regions that laterally is divided into, angle of rotation α is different respectively.For example, the scope of described vane angle [alpha] can be 0～55 °, as shown in Figure 3.Adopt such agitating vane 6, can and throw the effective fragmentation of the dewatered sludge that enters drying machine, in the increase chamber body, the contact area of dewatered sludge and high temperature drying air-flow, improve heat-transfer effect, thereby improve the drying machine processing power.In addition, the agitating vane 6 of this structure can also be transported to dewatered sludge from the elementary fluidization regions A of entrance end the discharge region C of exit end gradually.
In an example of the present invention, further be provided with the explosive door 4 of avoiding body 1 internal pressure too high on body 1, explosive door 4 is arranged on body 1 top exterior walls.
In another example of the present invention, further be formed with apparatus measures hole 8 on body 1, be the table meter interfaces such as pressure warning unit, temperature, humidity, flow.
In another example of the present invention, further form inspection door 9 on body 1, be for example hand hole or manhole, check internal unit when being used for shutting down.
Below with reference to the working process of Fig. 1 description according to drying machine of the present invention.
At first the dewatered sludge of Sewage Plant is admitted to the mud import 11 of drying machine by sludge pump, and the high-temperature flue gas that draws from power plant enters drying machine through gas approach 2, mud and high-temperature flue gas fall into the elementary fluidization regions A of drying machine simultaneously, in elementary fluidization regions A, mud is stirred blade 6 and throws with high-temperature flue gas and fully mix, and carries out the primary dewatering mummification.
Along with air current flow and agitating vane 6 rotations advance, mud and flue gas mixed flow enter suspension zone B, in the B of suspension zone, mud and flue gas colloid mixture are in the suspension turbulence state, form low mixture velocity circulating fluidized bed, after low speed fluidization mode combination drying, the mud in the B of suspension zone is in leather hard, form dust-like, then enter discharge region C.
At last, the semi-dry sludge dust is carried secretly and is left drying machine along with flue gas.
According to drying machine of the present invention, be used to from the high-temperature flue gas waste heat of power plant the dewatered sludge mummification of water ratio high (75%～85%) the semi-oriented mud to water ratio lower (20%～30%) can effectively be reduced the sludge drying cost with respect to indirectly drying equipment (namely doing thermal source with oil or steam).Do not affect the performance of organism combustible portion in mud according to drying machine of the present invention, just remove moisture content in mud, thus reduce mud and coal mix when burning the bunker coal systematic influence, effectively solve municipal sludge and dispose difficult present situation.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (9)
1. a drying machine, be used for the dewatered sludge that the mummification Sewage Plant is discharged, and it is characterized in that, comprising:
Body, described body along laterally forwardly the top be provided with gas approach and mud import, and the top, rear is provided with exhanst gas outlet;
Three interventricular septum plates, comprise the first upper spacer, the second upper spacer and median septum, described the first and second upper spacers are connected and described chamber body are separated into Three regions along horizontal direction to downward-extension and with the two sides of body longitudinal direction from the chamber body top, described median septum is connected with the two sides of body longitudinal direction, between described the first and second upper spacers and the up and down unsettled;
Agitator motor;
Stir shaft, described stir shaft is positioned at the below of chamber body, and is connected with the output shaft of described agitator motor and is driven by described agitator motor; And
Agitating vane, described agitating vane are arranged on described stir shaft, are used for broken and throw mud.
2. drying machine according to claim 1, is characterized in that, described body is enclosed.
3. drying machine according to claim 1, is characterized in that, the upper end of described median septum is not less than the lower end of described the first and second upper spacers.
4. drying machine according to claim 3, is characterized in that, described median septum is positioned at the centre of described the first and second upper spacers in the horizontal.
5. drying machine according to claim 1, is characterized in that, the predetermined angle of the Plane Rotation that limits with respect to the axis of the support bar of the axis of stir shaft and blade at agitating vane described in the described Three regions that laterally is divided into is different respectively.
6. drying machine according to claim 5, is characterized in that, the scope of the angle of rotation α of described agitating vane is 0～55 °.
7. drying machine according to claim 1, is characterized in that, further is provided with the explosive door of avoiding the body interior hypertonia on body, and described explosive door is arranged on described bodies top outer wall.
8. drying machine according to claim 1, is characterized in that, further is formed with the apparatus measures hole on body.
9. drying machine according to claim 1, is characterized in that, checks the inspection door of body interior when further being formed with for shutdown on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142374 CN102211846B (en) | 2010-04-09 | 2010-04-09 | Drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142374 CN102211846B (en) | 2010-04-09 | 2010-04-09 | Drier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102211846A CN102211846A (en) | 2011-10-12 |
| CN102211846B true CN102211846B (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010142374 Active CN102211846B (en) | 2010-04-09 | 2010-04-09 | Drier |
Country Status (1)
| Country | Link |
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| CN (1) | CN102211846B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213542A (en) * | 2010-04-12 | 2011-10-12 | 北京朗新明环保科技有限公司 | Rotary vane assembly for dryer |
| CN105000773B (en) * | 2014-11-11 | 2017-01-18 | 浙江三联环保科技股份有限公司 | Dehydration anhydration device |
| CN106186634A (en) * | 2016-08-19 | 2016-12-07 | 黄浩华 | Drying machine |
| CN107162380A (en) * | 2017-07-18 | 2017-09-15 | 无锡绿麦环保科技有限公司 | Disc type anti-explosion safety desiccation machine based on dust blowing adjustable angle |
| CN109928596B (en) | 2019-03-28 | 2020-07-31 | 北京科技大学 | Sludge superfine synchronous deep drying device and method |
| CN111895420B (en) * | 2020-07-02 | 2023-05-16 | 无锡亿恩科技股份有限公司 | Composite fluidized bed sludge incineration treatment furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4013086B2 (en) * | 1995-12-18 | 2007-11-28 | アクセリス テクノロジーズ インコーポレーテッド | A device that traps and removes contaminant particles from the internal area of an ion implanter. |
| CN101210679A (en) * | 2006-12-25 | 2008-07-02 | 上海环保工程成套有限公司 | Gyration type sludge desiccation material-feeding device for sludge burning furnace |
| CN201670793U (en) * | 2010-04-09 | 2010-12-15 | 北京朗新明环保科技有限公司 | Drier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0743212B2 (en) * | 1990-04-28 | 1995-05-15 | 株式会社栗本鐵工所 | Stirring heat transfer type fluid dryer |
-
2010
- 2010-04-09 CN CN 201010142374 patent/CN102211846B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4013086B2 (en) * | 1995-12-18 | 2007-11-28 | アクセリス テクノロジーズ インコーポレーテッド | A device that traps and removes contaminant particles from the internal area of an ion implanter. |
| CN101210679A (en) * | 2006-12-25 | 2008-07-02 | 上海环保工程成套有限公司 | Gyration type sludge desiccation material-feeding device for sludge burning furnace |
| CN201670793U (en) * | 2010-04-09 | 2010-12-15 | 北京朗新明环保科技有限公司 | Drier |
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| CN102211846A (en) | 2011-10-12 |
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Address after: Room 816, building 7, yard a 13, Huayuan Road, Haidian District, Beijing 100088 Patentee after: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: Room 816, building 7, yard a 13, Huayuan Road, Haidian District, Beijing 100088 Patentee before: BEIJING LUCENCY ENVIRO-TECH Co.,Ltd. |
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Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Water Environmental Protection Co.,Ltd. Country or region after: China Address before: Room 816, building 7, yard a 13, Huayuan Road, Haidian District, Beijing 100088 Patentee before: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Country or region before: China |
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