CN201670793U - Drier - Google Patents
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- Publication number
- CN201670793U CN201670793U CN2010201535913U CN201020153591U CN201670793U CN 201670793 U CN201670793 U CN 201670793U CN 2010201535913 U CN2010201535913 U CN 2010201535913U CN 201020153591 U CN201020153591 U CN 201020153591U CN 201670793 U CN201670793 U CN 201670793U
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- Prior art keywords
- drying machine
- machine according
- agitating vane
- partition plate
- diaphragm plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a drier used for drying dewatered sludge discharged by a sewage plant. The drier comprises a body, three chamber partition plates, a stirring motor, a stirring shaft and stirring blades installed on the stirring shaft, wherein the body is provided with a smoke inlet, a sludge inlet and a smoke outlet; the three chamber partition plates comprise a first upper partition plate, a second upper partition plate and a middle separation plate, the first upper partition plate and the second upper partition plate are extended downwards from the top of the inner cavity of the body, connected with two side surfaces of the body in a longitudinal direction, and divide the inner cavity of the body into three spaces along a transverse direction, the middle partition plate is connected with two side surfaces of the body in a longitudinal direction, positioned in midair, and between the first upper partition plate and the second upper partition plate; the stirring shaft is positioned in the lower part of the inner cavity, connected with an output shaft of the stirring motor and driven by the stirring motor; and the stirring blades installed on the stirring shaft are used for crushing and throwing up the sludge. The drier can directly dry the dewatered sludge, reduce the cost of drying the dewatered sludge and generate no adverse influence on surrounding environment.
Description
Technical field
The utility model relates to a kind of sludge treatment disposal facility, particularly relates to a kind of drying machine, is used for the dewatered sludge that Treating Municipal Sewage treatment plant produces.
Background technology
Mud is the inevitable outcome of municipal sewage plant's sewage disposal, enormous amount, and complicated component is difficult to handle.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 combustiblecomponents fully burning at high temperature that makes in the mud, finally becomes stable lime-ash.Burning method has and subtracts appearance, weight-loss ratio height, and processing speed is fast, and is innoxious more thorough, and waste heat can be used for advantages such as generating or heat supply.In recent years, burning method has adopted appropriate 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 disposal mode that occurred mud and the generating of coal multifuel combustion in China in recent years, 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 high more, calorific value is low more, hot contribution rate is more little, 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 the mud, also need replenish a large amount of high-grade fuels as ignition dope.Dewatered sludge water ratio height (75%～85%), viscosity is big, is the viscous semi-fluid condition, for guaranteeing mud and coal dust good mixing effect, reducing boiler and firing system is had a negative impact, and it is imperative to develop a kind of sludge drying equipment.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, a purpose of the present utility model is to propose a kind of drying machine that improves sludge drying speed.
According to drying machine of the present utility model, 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; Diaphragm plate between three chambers, comprise the first postcibal vomiting plate, the second postcibal vomiting plate and middle diaphragm plate, the described first and second postcibal vomiting plates extend downwards from the chamber body top and are connected with the two sides of body longitudinal direction and described chamber body is separated into three intervals along horizontal direction, described in the diaphragm plate be connected with the two sides of body longitudinal direction, between the described first and second postcibal vomiting plates and unsettled up and down; Agitator motor; Stir shaft, described stir shaft is positioned at the below of chamber body, and links to each other with the output shaft of described agitator motor and driven by described agitator motor; And agitating vane, described agitating vane is installed on the described stir shaft, is used for fragmentation and throws mud.
Can directly realize the dewatered sludge mummification by the stirring of dewatered sludge in three intervals of the indoor diaphragm plate formation of chamber body according to drying machine of the present utility model, reduce dewatered sludge mummification cost, and can not have a negative impact surrounding enviroment.
In addition, also have following additional technical feature according to drying machine of the present utility model:
Described body is enclosed.
The upper end of diaphragm plate is not less than the lower end of the described first and second postcibal vomiting plates in described.
The diaphragm plate is positioned at the centre of the described first and second postcibal vomiting plates in the horizontal in described.
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 described three intervals that laterally are 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, the contact area of dewatered sludge and high temperature drying air-flow is improved heat-transfer effect in the increase chamber body, thereby improves 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 the body, described explosive door is arranged on the described bodies top outer wall.
Further being formed with the apparatus measures hole on the body, is the interface of table meters such as pressure warning unit, temperature, humidity, flow.
Further be formed with the inspection door of checking body interior when being used to shut down on the body.
According to drying machine of the present utility model, be used to from the high-temperature flue gas waste heat of power plant the dewatered sludge mummification of water ratio height (75%～85%) the half-driedization mud to water ratio lower (20%～30%) can effectively be reduced the sludge drying cost with respect to indirectly drying equipment (promptly doing thermal source with oil or steam).Do not influence the performance of organism combustible portion in the mud according to drying machine of the present utility model, just remove moisture content in the mud, mix when burning the bunker coal systematic influence, effectively solve the present situation that municipal sludge is disposed difficulty thereby reduce mud and coal.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model 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 utility model;
Fig. 2 is the single agitating vane of the drying machine shown in Fig. 1 and the synoptic 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 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 agitating vane shown in Fig. 2 and support bar, and wherein agitating vane is the plane that second end of arc and vane departs from the support bar place.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " interior ", " outward ", " vertically ", " laterally ", " on ", close the orientation of indications such as D score, " top ", " end " or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
Below with reference to the drying machine of Fig. 1 description according to the utility model embodiment.
As shown in Figure 1,, be used for the dewatered sludge that the mummification Sewage Plant is discharged, comprise diaphragm plate, agitator motor 5, agitating vane 6 and stir shaft 7 between body 1, three chambers according to a kind of drying machine of embodiment of the present utility model.
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 flue gas total amount that enters air preheater.
The top, rear of body 1 is provided with exhanst gas outlet 3, and the semi-dry sludge dust after the mummification will be carried secretly by exhanst gas outlet 3 by low-temperature flue gas and discharge drying machine.
The diaphragm plate comprises the first postcibal vomiting plate 101, the second postcibal vomiting plate 102 and middle diaphragm plate 103 between three chambers.Wherein, the first postcibal vomiting plate 101 and the second postcibal vomiting plate 102 extend downwards and are connected with the two sides of body 1 longitudinal direction from the interior top of chamber of body 1, and the first postcibal vomiting plate 101 and the second postcibal vomiting plate 102 are separated into three intervals with body 1 inner chamber along horizontal direction, promptly elementary fluidization regions A, suspension zone B and discharge region C.And middle diaphragm plate 103 is connected with the two sides of body 1 longitudinal direction, between the first and second postcibal vomiting plates 102 and unsettled up and down.Particularly, the upper end of middle diaphragm plate 103 is not less than the lower end of the first postcibal vomiting plate 101 and the second postcibal vomiting plate 102.Alternatively, middle diaphragm plate 103 can be positioned at the centre of the first postcibal vomiting plate 101 and the second postcibal vomiting plate 102 in the horizontal.
Agitating vane 6 is closely arranged and is installed on the stir shaft 7, is used for fragmentation and throws mud.Agitating vane 6 rotates synchronously with stir shaft 7.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 links to each other 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 projection on the horizontal plane and the angle between the axis X.
As shown in Figure 4, agitating vane 6 with respect to the support bar place and be obliquely installed with the axis X plane orthogonal of stir shaft 7, alternatively, the angle of inclination beta of agitating vane 6 is 0 °～55 °, throws material thereby more help agitating vane 6.
As shown in Figure 5, in another embodiment of the present utility model, agitating vane 6 is an arc.Thereby second end of agitating vane 6 depart from the support bar place and with the axis X plane orthogonal of stir shaft 7, promptly agitating vane 6 is obliquely installed with respect to this plane.
Be among elementary fluidization regions A, suspension zone B and the discharge region C in three intervals that laterally are 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, the contact area of dewatered sludge and high temperature drying air-flow is improved heat-transfer effect in the increase chamber body, thereby improves 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 utility model, further be provided with the explosive door 4 of avoiding body 1 internal pressure too high on the body 1, explosive door 4 is arranged on body 1 top exterior walls.
In another example of the present utility model, further be formed with apparatus measures hole 8 on the body 1, be table meter interfaces such as pressure warning unit, temperature, humidity, flow.
In another example of the present utility model, further form inspection door 9 on the body 1, be hand hole or manhole for example, check internal unit when being used to shut down.
Below with reference to the working process of Fig. 1 description according to drying machine of the present utility model.
The dewatered sludge of Sewage Plant at first 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 and the high-temperature flue gas thorough mixing, 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, behind low speed fluidization mode combination drying, the mud in the B of suspension zone is in leather hard, form dust-like, enter discharge region C then.
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 utility model, be used to from the high-temperature flue gas waste heat of power plant the dewatered sludge mummification of water ratio height (75%～85%) the half-driedization mud to water ratio lower (20%～30%) can effectively be reduced the sludge drying cost with respect to indirectly drying equipment (promptly doing thermal source with oil or steam).Do not influence the performance of organism combustible portion in the mud according to drying machine of the present utility model, just remove moisture content in the mud, mix when burning the bunker coal systematic influence, effectively solve the present situation that municipal sludge is disposed difficulty thereby reduce mud and coal.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. a drying machine is 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;
Diaphragm plate between three chambers, comprise the first postcibal vomiting plate, the second postcibal vomiting plate and middle diaphragm plate, the described first and second postcibal vomiting plates extend downwards from the chamber body top and are connected with the two sides of body longitudinal direction and described chamber body is separated into three intervals along horizontal direction, described in the diaphragm plate be connected with the two sides of body longitudinal direction, between the described first and second postcibal vomiting plates and unsettled up and down;
Agitator motor;
Stir shaft, described stir shaft is positioned at the below of chamber body, and links to each other with the output shaft of described agitator motor and driven by described agitator motor; And
Agitating vane, described agitating vane is installed on the described stir shaft, is used for fragmentation and throws 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 middle diaphragm plate is not less than the lower end of the described first and second postcibal vomiting plates.
4. drying machine according to claim 3 is characterized in that, described middle diaphragm plate is positioned at the centre of the described first and second postcibal vomiting plates 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 described three intervals that laterally are 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 the body, and described explosive door is arranged on the 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 the body.
9. drying machine according to claim 1 is characterized in that, further is formed with the inspection door of checking body interior when being used to shut down on the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201535913U CN201670793U (en) | 2010-04-09 | 2010-04-09 | Drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201535913U CN201670793U (en) | 2010-04-09 | 2010-04-09 | Drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670793U true CN201670793U (en) | 2010-12-15 |
Family
ID=43328205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201535913U Expired - Lifetime CN201670793U (en) | 2010-04-09 | 2010-04-09 | Drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201670793U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211846A (en) * | 2010-04-09 | 2011-10-12 | 北京朗新明环保科技有限公司 | Drier |
| CN102417288A (en) * | 2011-12-27 | 2012-04-18 | 绍兴文理学院 | Sludge feeding machine |
| CN106186634A (en) * | 2016-08-19 | 2016-12-07 | 黄浩华 | Drying machine |
-
2010
- 2010-04-09 CN CN2010201535913U patent/CN201670793U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211846A (en) * | 2010-04-09 | 2011-10-12 | 北京朗新明环保科技有限公司 | Drier |
| CN102211846B (en) * | 2010-04-09 | 2013-05-22 | 北京朗新明环保科技有限公司 | Drier |
| CN102417288A (en) * | 2011-12-27 | 2012-04-18 | 绍兴文理学院 | Sludge feeding machine |
| CN102417288B (en) * | 2011-12-27 | 2014-11-05 | 绍兴文理学院 | Sludge feeding machine |
| CN106186634A (en) * | 2016-08-19 | 2016-12-07 | 黄浩华 | Drying machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |