CN110422987A - A kind of drying method for sludge and sludge drying mechanism - Google Patents
A kind of drying method for sludge and sludge drying mechanism Download PDFInfo
- Publication number
- CN110422987A CN110422987A CN201910601523.4A CN201910601523A CN110422987A CN 110422987 A CN110422987 A CN 110422987A CN 201910601523 A CN201910601523 A CN 201910601523A CN 110422987 A CN110422987 A CN 110422987A
- Authority
- CN
- China
- Prior art keywords
- sludge
- drying
- hothouse
- hothouses
- damp
- Prior art date
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Abstract
The invention discloses a kind of drying method for sludge and sludge drying mechanism, for the drying means the following steps are included: high-moisture-contensludge sludge is sent into sludge drying mechanism by step a), the sludge drying mechanism has continuous three hothouses；Step b) is respectively into three hothouses through the hot-air of different temperatures, and the temperature of three indoor hot-airs of drying is incremented by successively, and sludge sequentially passes through three hothouses to carry out three-stage drying to obtain big semi-dry sludge；Step c) will be delivered to sludge of the incinerator progress burning disposal to be completely dried by dry sludge in step b).The present invention provides drying mode, and not only drying effect is good and has saved energy consumption.
Description
Technical field
The present invention relates to method for sludge treatment, in particular to a kind of drying method for sludge and sludge drying mechanism.
Background technique
In current existing sludge drying device, either direct-type or indirect type are all to be passed directly into drying using heat source
Dry sludge in equipment, but drying effect is not only bad, and it is especially big to consume energy.Specifically, when the humidity of sludge is larger,
If the intake stack air using high temperature heats, although dry speed is high, since moisture is big, very big heat is needed
Can, thus it is more inefficient；And use lower temperature hot-air go heating mass dryness fraction higher sludge when, it is virtually impossible to therefrom
Moisture content is taken away, many intake stack air is consumed and is but unable to reach dry purpose, thus leads to the waste of the energy.
Summary of the invention
In order to overcome the deficiencies of the prior art, the invention discloses a kind of drying method for sludge and sludge drying mechanisms.
To achieve the above object, the invention is realized by the following technical scheme:
The embodiment of the invention discloses a kind of drying method for sludge, comprising the following steps:
High-moisture-contensludge sludge is sent into sludge drying mechanism by step a), and the sludge drying mechanism has continuous three dryings
Room；
Step b) is respectively into three hothouses through the hot-air of different temperatures, and three indoor hot-airs of drying
Temperature is incremented by successively, and sludge sequentially passes through three hothouses to carry out three-stage drying to obtain big semi-dry sludge；
Step c) will be delivered to incinerator progress burning disposal by dry sludge in step b) to be completely dried
Sludge.
One of as a preferred solution of the present invention, three hothouses are connected separately with intake stack, and the heat is empty
Gas is entered in the hothouse by the intake stack, is provided with valve on the intake stack.
It is further preferred that the diameter of three intake stacks is sequentially reduced according to order after in preceding.
It is further preferred that being connected separately with a damp-heat air discharge-channel on three hothouses, it is located at last
The damp-heat air that is discharged of damp-heat air discharge-channel of side after drying again by be located in the middle the hothouse and connect
The circulating line connect, which enters, to be located in the middle in the hothouse, and the wet of discharge described in damp-heat air discharge-channel is located in the middle
Hot-air is entered by the circulating line connecting with the hothouse for being located at forefront after drying and is located at forefront
In the hothouse.
One of as a preferred solution of the present invention, the sludge in the step b) is passed sequentially through described by conveyer belt
Three hothouses.
It is further preferred that the end of the conveyer belt is connected to the incinerator by slideway.
Sludge inlet, the front end of the conveyer belt are offered it is further preferred that being located on the hothouse of forefront
Portion is located at the lower section of the sludge inlet.
The invention also discloses a kind of sludge drying mechanisms, including three hothouses being continuously arranged, two adjacent institutes
It states and is separated between hothouse by the partition of thermal insulation, sludge inlet, a conveying are offered on the hothouse of forefront
Band is successively passed through from three hothouses, and the front end of the conveyer belt is located at the lower section of the sludge inlet, described
Three hothouses be separately connected intake stack of oriented conveying hot-air in it, be provided with valve on the intake stack, institute
By the hot-air of different temperatures in three hothouses stated, and the temperature of three indoor hot-airs of drying is successively passed
Increase.
One of as a preferred solution of the present invention, it is logical that damp-heat air discharge is connected separately on three hothouses
Road, the damp-heat air discharged positioned at the damp-heat air discharge-channel of rearmost after drying again by be located in the middle institute
The circulating line for stating hothouse connection, which enters, to be located in the middle in the hothouse, and damp-heat air discharge-channel institute is located in the middle
The damp-heat air for stating discharge enters position by the circulating line connecting with the hothouse for being located at forefront after drying
In in the hothouse of forefront.
One of as a preferred solution of the present invention, the end of the conveyer belt connects incinerator by slideway.
One of as a preferred solution of the present invention, the diameter of three intake stacks successively subtracts according to order after in preceding
It is small.
Compared with prior art, of the invention to have at least the following advantages:
Drying method for sludge provided by the present invention is dry using three-stage drying room and incinerator burning can be dried thoroughly
Sludge.The present invention is provided with three hothouses, and the hot-air of different temperatures is passed through in three hothouses, empty by the heat of low temperature
Gas heats the biggish sludge of humidity, so can with low consumption and efficiently by the lesser sludge of hot air humidity of high temperature
Complete the drying of sludge.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is a kind of structural schematic diagram of sludge drying mechanism disclosed in the embodiment of the present invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
Shown in Figure 1, the embodiment of the invention also discloses a kind of sludge drying mechanism, three including being continuously arranged dry
Dry room 1 is separated between two adjacent hothouses 1 by the partition 11 of thermal insulation, offers dirt on the hothouse 1 of forefront
Mud entrance 8, a conveyer belt 2 are sequentially passed through from three hothouses 1, and the front end of conveyer belt 2 is located at the lower section of sludge inlet 8,
Three hothouses 1 are separately connected the intake stack 3 of its oriented interior conveying hot-air, are provided with valve on intake stack 3, three dry
By the hot-air of different temperatures in dry room 1, and the temperature of the hot-air in three hothouses 1 is incremented by successively.Preferably, it enters the wind
The bottom end of pipeline 3 stretches to the top of conveyer belt 2 and at horn-like, can so increase sludge on conveyer belt and heat is empty
Gas contact velocity.
One of as a preferred solution of the present invention, a damp-heat air discharge-channel 4 is connected separately on three hothouses 1
(respectively it is located at the damp-heat air discharge-channel of forefront, is located in the middle damp-heat air discharge-channel and is located at rearmost
Damp-heat air discharge-channel), the damp-heat air discharged positioned at the damp-heat air discharge-channel 4 of rearmost after drying again
By being located in the middle in hothouse 1 with being located in the middle the circulating line 5 that hothouse 1 connect and enter, and in circulating line 5
On be provided with valve, be located in the middle damp-heat air discharge-channel 4 discharge damp-heat air after drying by be located at most
Circulating line 5 that the hothouse 1 in front connects and enter in the hothouse 1 for being located at forefront, and be arranged on circulating line 5
There is valve, desiccant box 6 furthermore can be connected on each circulating line 5, to be dried and be carried out again to damp-heat air
It utilizes, so as to reduce the amount for directly transporting hot-air by intake stack 3, so that it is energy saving.
One of as a preferred solution of the present invention, the end of conveyer belt 2 connects incinerator 7 by slideway 9.
One of as a preferred solution of the present invention, the diameter of three intake stacks 3 is sequentially reduced according to order after in preceding, such as
This inputs the hot-air of the big scale of construction into the hothouse 1 for being located at forefront, and it is empty to be located at the heat in intermediate and last hothouse 1
Gas is sequentially reduced, and can also so reduce the loss of the energy while guaranteeing drying effect.
The embodiment of the invention also discloses a kind of drying method for sludge being dried using above-mentioned drying device, including with
Lower step:
High-moisture-contensludge sludge is sent into sludge drying mechanism by step a), and sludge drying mechanism has continuous three hothouses 1；
Step b) is respectively into three hothouses 1 through the hot-air of different temperatures, and the hot-air in three hothouses 1
Temperature it is incremented by successively, sludge passes sequentially through three hothouses 1 to carry out three-stage drying to obtain big semi-dry sludge, dirty at this time
Moisture in mud has reduced 95% or so；
Step c) will be delivered to the progress burning disposal of incinerator 7 by dry sludge to obtain completely dry in step b)
Dry sludge.
Drying method for sludge provided by the present invention is dry using three-stage drying room 1 and the burning of incinerator 7 can be thorough
Dry sludge in ground.The present invention is provided with three hothouses 1, and the hot-air of different temperatures is passed through in three hothouses 1, by low
The biggish sludge of hot air humidity of temperature so can be with low consumption by the lesser sludge of hot air humidity of high temperature
And efficiently complete the drying of sludge.
Various modifications to these embodiments will be readily apparent to those skilled in the art, herein
Defined General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The consistent widest scope of clever feature.
Claims (10)
1. a kind of drying method for sludge, it is characterised in that: the following steps are included:
High-moisture-contensludge sludge is sent into sludge drying mechanism by step a), and the sludge drying mechanism has continuous three dryings
Room；
Step b) is respectively into three hothouses through the hot-air of different temperatures, and three indoor hot-airs of drying
Temperature is incremented by successively, and sludge sequentially passes through three hothouses to carry out three-stage drying to obtain big semi-dry sludge；
Step c) will be delivered to incinerator progress burning disposal by dry sludge in step b) to be completely dried
Sludge.
2. a kind of drying method for sludge according to claim 1, it is characterised in that: three hothouses are separately connected
There is intake stack, the hot-air is entered in the hothouse by the intake stack, is provided on the intake stack
Valve.
3. a kind of drying method for sludge according to claim 2, it is characterised in that: the diameter of three intake stacks is pressed
It is sequentially reduced according to order after in preceding.
4. a kind of drying method for sludge according to claim 2, it is characterised in that: connect respectively on three hothouses
It is connected to a damp-heat air discharge-channel, the damp-heat air discharged positioned at the damp-heat air discharge-channel of rearmost is after drying
Again by being located in the middle in the hothouse with being located in the middle the circulating line that the hothouse connect and enter, it is located at centre
Damp-heat air discharge-channel described in discharge damp-heat air after drying by be located at forefront the hothouse connect
The circulating line that connects and enter in the hothouse for being located at forefront.
5. a kind of drying method for sludge according to claim 1, it is characterised in that: the sludge in the step b) passes through
Conveyer belt and pass sequentially through three hothouses.
6. a kind of drying method for sludge according to claim 2, it is characterised in that: the end of the conveyer belt passes through slideway
It is connected to the incinerator.
7. a kind of drying method for sludge according to claim 2, it is characterised in that: on the hothouse of forefront
Sludge inlet is offered, the front end of the conveyer belt is located at the lower section of the sludge inlet.
8. a kind of sludge drying mechanism, it is characterised in that: including three hothouses being continuously arranged, two adjacent dryings
It is separated between room by the partition of thermal insulation, sludge inlet is offered on the hothouse of forefront, a conveyer belt is successively
It being passed through from three hothouses, the front end of the conveyer belt is located at the lower section of the sludge inlet, and described three
Hothouse is separately connected intake stack of oriented conveying hot-air in it, is provided with valve on the intake stack, and described three
By the hot-air of different temperatures in a hothouse, and the temperature of three indoor hot-airs of drying is incremented by successively.
9. a kind of sludge drying mechanism according to claim 8, it is characterised in that: connect respectively on three hothouses
It is connected to a damp-heat air discharge-channel, the damp-heat air discharged positioned at the damp-heat air discharge-channel of rearmost is after drying
Again by being located in the middle in the hothouse with being located in the middle the circulating line that the hothouse connect and enter, it is located at centre
Damp-heat air discharge-channel described in discharge damp-heat air after drying by be located at forefront the hothouse connect
The circulating line that connects and enter in the hothouse for being located at forefront.
10. a kind of sludge drying mechanism according to claim 8, it is characterised in that: the end of the conveyer belt passes through cunning
Road connects incinerator；And/or the diameter of three intake stacks is sequentially reduced according to order after in preceding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601523.4A CN110422987A (en) | 2019-07-05 | 2019-07-05 | A kind of drying method for sludge and sludge drying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601523.4A CN110422987A (en) | 2019-07-05 | 2019-07-05 | A kind of drying method for sludge and sludge drying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110422987A true CN110422987A (en) | 2019-11-08 |
Family
ID=68408966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910601523.4A Pending CN110422987A (en) | 2019-07-05 | 2019-07-05 | A kind of drying method for sludge and sludge drying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110422987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062441A (en) * | 2020-09-16 | 2020-12-11 | 中国科学院广州能源研究所 | Energy-saving sludge drying system and sludge drying method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875000A (en) * | 2011-07-12 | 2013-01-16 | 北大工学院绍兴技术研究院 | Sludge drying chamber |
| KR20130134556A (en) * | 2012-05-31 | 2013-12-10 | 한국에너지기술연구원 | Continuous farm product dryer using heat pump system |
| CN204006029U (en) * | 2014-07-11 | 2014-12-10 | 浙江三联环保机械设备有限公司 | The comprehensive drying and incineration system of a kind of built-in mud |
| CN105494608A (en) * | 2015-12-17 | 2016-04-20 | 江苏杰英能源科技有限公司 | Vegetable dehydration subsection drying box |
| CN108017251A (en) * | 2016-11-02 | 2018-05-11 | 天津天控科技有限公司 | A kind of sludge treating system |
| CN208091155U (en) * | 2017-12-05 | 2018-11-13 | 江西星火电气科技有限公司 | A kind of novel electroceramics drying machine |
-
2019
- 2019-07-05 CN CN201910601523.4A patent/CN110422987A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875000A (en) * | 2011-07-12 | 2013-01-16 | 北大工学院绍兴技术研究院 | Sludge drying chamber |
| KR20130134556A (en) * | 2012-05-31 | 2013-12-10 | 한국에너지기술연구원 | Continuous farm product dryer using heat pump system |
| CN204006029U (en) * | 2014-07-11 | 2014-12-10 | 浙江三联环保机械设备有限公司 | The comprehensive drying and incineration system of a kind of built-in mud |
| CN105494608A (en) * | 2015-12-17 | 2016-04-20 | 江苏杰英能源科技有限公司 | Vegetable dehydration subsection drying box |
| CN108017251A (en) * | 2016-11-02 | 2018-05-11 | 天津天控科技有限公司 | A kind of sludge treating system |
| CN208091155U (en) * | 2017-12-05 | 2018-11-13 | 江西星火电气科技有限公司 | A kind of novel electroceramics drying machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062441A (en) * | 2020-09-16 | 2020-12-11 | 中国科学院广州能源研究所 | Energy-saving sludge drying system and sludge drying method |
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Application publication date: 20191108 |
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