CN203099846U - Sludge drying and burning rotary kiln - Google Patents
Sludge drying and burning rotary kiln Download PDFInfo
- Publication number
- CN203099846U CN203099846U CN 201320058274 CN201320058274U CN203099846U CN 203099846 U CN203099846 U CN 203099846U CN 201320058274 CN201320058274 CN 201320058274 CN 201320058274 U CN201320058274 U CN 201320058274U CN 203099846 U CN203099846 U CN 203099846U
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- kiln
- kiln body
- sludge
- incinerating
- sludge drying
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- Treatment Of Sludge (AREA)
Abstract
The utility model provides a sludge drying and burning rotary kiln and belongs to the technical field of rotary kilns. The sludge drying and burning rotary kiln comprises a kiln body which is arranged obliquely. A transmission device is arranged on the kiln body. One end of the kiln body is connected with a smoke waste heat chamber. A feed hopper and a spiral feeding smashing device are arranged on one end, connected with the smoke waste heat chamber, of the kiln body. A kiln door cover and a discharge port are arranged at the other end of the kiln body. An injection combustion device is arranged in the middle of the kiln door cover. The bottom of the smoke waste heat chamber is connected with a dust collector through an air inducing device. The spiral feeding smashing device is connected with a spiral motor. The transmission device is connected with a kiln body motor. Through adoption of the technical scheme, the sludge drying and burning rotary kiln dries sludge fed into the feed hopper through utilization of smoke waste heat, improves utilization rate of heat energy, solves the problems that high-humidity and high-adhesion materials in the sludge can be adhered to the wall of the kiln body, form caking, are not prone to be smashed, and the like, can enable the sludge to be subjected to sufficient burning, thoroughly overcomes the bottleneck of energy consumption in the drying process of the sludge, greatly reduces operating cost of sludge treatment, reduces thermal pollution and pollution load to the atmosphere and can achieve better effects of energy conservation and emission reduction.
Description
Technical field
The utility model belongs to the rotary kiln technical field, is specifically related to a kind of simple in structure, low cost of manufacture and the good sludge drying and incinerating rotary kiln of treatment effect.
Background technology
Municipal sludge is the deposit that city domestic sewage and industrial wastewater produce in carrying out decontamination process, because it contains a large amount of bacteriums, worm's ovum, heavy metal, organic matter etc. is the great solid waste of a class harmfulness, if thoroughly do not handle and control, will cause serious secondary pollution to environment, be one of present city important pollution sources.The problem that the processing of municipal sludge exists at present concentrates on dehydration cost height, and refuse landfill is unwilling to handle, because the mud thickness after the dehydration can not pile up as watery soup, and influence the mechanical work of refuse landfill, the service life of shortening refuse landfill.It is that the China and even the whole world press for one of the crucial scientific and technological problem of solution and environmental issue of emphasis solution that sewage sludge harmlessness is handled.
The expert gets more and more to the method for Treatment of Sludge and the research for the treatment of apparatus both at home and abroad in recent years, the Treatment of Sludge method of disposal mainly contains sanitary landfills, burning and soil utilization etc. both at home and abroad at present, and these methods are implemented to depend on will enough mud landfill space; The economic strength that the expensive device of bearing investment and very high operating cost are arranged; Harmful substance such as heavy metal etc. in the mud there are strict restrictive condition, and current sludge treatment equipment ubiquity energy consumption height, utilization rate is low; High humidity, high bonding mud bonding barrel and mud caking are difficult for pulverizing in the drying; Burn pernicious gases such as insufficient easy generation dioxin; Also there are problems such as equipment cost height, device structure complexity simultaneously.
The utility model content
At the above-mentioned problems in the prior art, the sludge drying and incinerating rotary kiln that the purpose of this utility model is to provide that a kind of energy consumption is low, utilization rate is high, easily pulverizes the mud caking, emission gases cost up to standard, simple in structure is low.
Described a kind of sludge drying and incinerating rotary kiln, comprise the kiln body that is obliquely installed, the transmission device that makes its rotation is set on the kiln body at interval, it is characterized in that described kiln body one end is connected with the fume afterheat chamber, with on this end that the fume afterheat chamber is connected feed hopper and spiral charging reducing mechanism are set, the other end is provided with wicket cover and discharging opening, be provided with spray combustion device in the middle of the described wicket cover, bottom, described fume afterheat chamber is connected with dust arrester by blower unit, spiral charging reducing mechanism is connected with screw motor, and transmission device is connected with kiln body motor.
Described a kind of sludge drying and incinerating rotary kiln, it is characterized in that described kiln body is divided into four parts, be followed successively by low temperature mummification kiln section, drying kiln section, spontaneous combustion kiln section and incinerating kiln section from a high position to the low level, an end of described spiral charging reducing mechanism stretches in the low temperature mummification kiln section.
Described a kind of sludge drying and incinerating rotary kiln is characterized in that on the described wicket cover air intlet being set.
Described a kind of sludge drying and incinerating rotary kiln is characterized in that the interior welding of drying kiln section of described kiln body is provided with venetian blind type poplar flitch.
Described a kind of sludge drying and incinerating rotary kiln is characterized in that the spontaneous combustion kiln section of described kiln body is provided with ventilating opening.
Above-mentioned a kind of sludge drying and incinerating rotary kiln, comprise the kiln body that is obliquely installed, the transmission device that makes its rotation is set on the kiln body at interval, kiln body one end is connected with the fume afterheat chamber, with on this end that the fume afterheat chamber is connected feed hopper and spiral charging reducing mechanism are set, the other end is provided with wicket cover and discharging opening, be provided with spray combustion device in the middle of the wicket cover, bottom, fume afterheat chamber is connected with dust arrester by blower unit, spiral charging reducing mechanism is connected with screw motor, and transmission device is connected with kiln body motor.The utility model is by being provided with the fume afterheat chamber, the mud elder generation mummification that utilizes fume afterheat that feed hopper is come in, improved the heat energy utilization rate, adopt spiral charging reducing mechanism, solve the high humidity in the mud, high binding material bonding kiln body wall and caking are difficult for difficult problems such as pulverizing, and the kiln body is divided into four sections, mud after the mummification is realized nature in spontaneous combustion kiln section, make sludge incineration abundant in the incinerating kiln section, and the setting of air inducing dust arrester, can reduce dust pollution and make the gas emission compliance, thoroughly overcome the energy consumption bottleneck of sludge drying, the operating cost of Treatment of Sludge is reduced greatly, alleviated thermal pollution and, can reach the effect of energy-saving and emission-reduction better the pollutional load of atmosphere.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1-feed hopper, 2-spiral charging reducing mechanism, 3-low temperature mummification kiln section, 4-drying kiln section, 5-spontaneous combustion kiln section, 6-incinerating kiln section, the 7-spray combustion device, 8-wicket cover, 9-discharging opening, 10-kiln body motor, the 11-transmission device, 12-fume afterheat chamber, 13-screw motor, the 14-blower unit, the 15-dust arrester.
The specific embodiment
The utility model will be further described below in conjunction with Figure of description:
As shown in Figure 1, a kind of sludge drying and incinerating rotary kiln, comprise the kiln body that is obliquely installed, the transmission device 11 that makes its rotation is set on the kiln body at interval, described kiln body is in a high-order end and is connected with fume afterheat chamber 12, with on this end that fume afterheat chamber 12 is connected feed hopper 1 and spiral charging reducing mechanism 2 are set, the other end that is in low level is provided with wicket cover 8 and discharging opening 9, be provided with spray combustion device 7 in the middle of the described wicket cover 8,12 bottoms, described fume afterheat chamber are connected with dust arrester 15 by blower unit 14, the waste residue that together enters fume afterheat chamber 12 with flue gas is discharged from dust arrester 15 by blower unit 14, described spiral charging reducing mechanism 2 is connected with screw motor 13, drive its work by screw motor 13, reach the material that feed hopper 1 is come in and send into the low temperature mummification kiln section 3 of kiln body, transmission device 11 is connected with kiln body motor 10, drives transmission device 11 work by kiln body motor 10, rotate thereby drive the kiln body, improve the treatment effeciency of mud.
As shown in the figure, the kiln body adopts the alloy-steel plate manufacturing to form, it is divided into four parts, from a high position to the low level, be followed successively by low temperature mummification kiln section 3, drying kiln section 4, spontaneous combustion kiln section 5 and incinerating kiln section 6, one end of spiral charging reducing mechanism 2 stretches in the low temperature mummification kiln section 3, the material that feed hopper 1 is come in is sent into low temperature mummification kiln section 3 and is carried out drying, the utility model is in order to improve dry speed, and make drying sludge even, welding is provided with venetian blind type poplar flitch in the drying kiln section 4 of kiln body, the mud of this section is overturn, for the ease of the circulation of gas, improve security performance, the spontaneous combustion kiln section 5 of kiln body is provided with ventilating opening.
On the described wicket cover 8 air intlet is set, be used for providing air to spontaneous combustion kiln section 5 and incinerating kiln section 6, make the burning of incinerating kiln section 6 by spray combustion device 7, the heat that this section burning produces enters spontaneous combustion kiln section 5, because mud itself contains some inflammable organic matters etc., produces spontaneous combustion under high heat, spontaneous combustion is incomplete, enter incinerating kiln section 6 again and burn once more, make the thorough of burning, improve the treatment effeciency of mud.
Sludge drying and incinerating rotary kiln of the present utility model, utilize fume afterheat to carry out sludge drying, improved the heat energy utilization rate, adopt spiral charging reducing mechanism, can solve the difficult problem that mud high humidity, high binding material bonding barrel and caking are difficult for pulverizing, dry, sufficient combustion have played in the mechanism that the kiln body is divided into four sections designs, can reduce dust pollution in conjunction with being provided with of air inducing dust arrester and make the gas emission compliance, the frictional rotation that adopts tugboat and wheel to be with has reduced transmission power
Therefore utilize this utility model sludge drying and incinerating rotary kiln, can thoroughly overcome the energy consumption bottleneck of sludge drying, the operating cost of Treatment of Sludge is reduced greatly, alleviated thermal pollution and, can reach the effect of energy-saving and emission-reduction better the pollutional load of atmosphere.
Claims (5)
1. sludge drying and incinerating rotary kiln, comprise the kiln body that is obliquely installed, the transmission device (11) that makes its rotation is set on the kiln body at interval, it is characterized in that described kiln body one end is connected with fume afterheat chamber (12), with on this end that fume afterheat chamber (12) are connected feed hopper (1) and spiral charging reducing mechanism (2) are set, the other end is provided with wicket cover (8) and discharging opening (9), be provided with spray combustion device (7) in the middle of the described wicket cover (8), bottom, described fume afterheat chamber (12) is connected with dust arrester (15) by blower unit (14), spiral charging reducing mechanism (2) is connected with screw motor (13), and transmission device (11) is connected with kiln body motor (10).
2. a kind of sludge drying and incinerating rotary kiln according to claim 1, it is characterized in that described kiln body is divided into four parts, be followed successively by low temperature mummification kiln section (3), drying kiln section (4), spontaneous combustion kiln section (5) and incinerating kiln section (6) from a high position to the low level, an end of described spiral charging reducing mechanism (2) stretches in the low temperature mummification kiln section (3).
3. a kind of sludge drying and incinerating rotary kiln according to claim 1, it is characterized in that described wicket cover (8) on air intlet is set.
4. a kind of sludge drying and incinerating rotary kiln according to claim 2 is characterized in that the interior welding of drying kiln section (4) of described kiln body is provided with venetian blind type poplar flitch.
5. a kind of sludge drying and incinerating rotary kiln according to claim 1 is characterized in that the spontaneous combustion kiln section (5) of described kiln body is provided with ventilating opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058274 CN203099846U (en) | 2013-02-01 | 2013-02-01 | Sludge drying and burning rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058274 CN203099846U (en) | 2013-02-01 | 2013-02-01 | Sludge drying and burning rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099846U true CN203099846U (en) | 2013-07-31 |
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ID=48851244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320058274 Expired - Fee Related CN203099846U (en) | 2013-02-01 | 2013-02-01 | Sludge drying and burning rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203099846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176896A (en) * | 2014-08-26 | 2014-12-03 | 高云 | Sludge drying treatment equipment and method |
| CN107062271A (en) * | 2016-11-24 | 2017-08-18 | 西安华诺环保股份有限公司 | Oily sludge thermal oxide skid processing unit |
| CN107202325A (en) * | 2016-03-16 | 2017-09-26 | 浙江金锅锅炉有限公司 | The controllable pyrolysis carbonizing kiln of swinging |
| CN111059543A (en) * | 2019-12-13 | 2020-04-24 | 重庆科技学院 | Two segmentation double-oar leaf waste treatment device |
-
2013
- 2013-02-01 CN CN 201320058274 patent/CN203099846U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176896A (en) * | 2014-08-26 | 2014-12-03 | 高云 | Sludge drying treatment equipment and method |
| CN107202325A (en) * | 2016-03-16 | 2017-09-26 | 浙江金锅锅炉有限公司 | The controllable pyrolysis carbonizing kiln of swinging |
| CN107062271A (en) * | 2016-11-24 | 2017-08-18 | 西安华诺环保股份有限公司 | Oily sludge thermal oxide skid processing unit |
| CN111059543A (en) * | 2019-12-13 | 2020-04-24 | 重庆科技学院 | Two segmentation double-oar leaf waste treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160201 |