CN108238708A - Sludge drying total system - Google Patents
Sludge drying total system Download PDFInfo
- Publication number
- CN108238708A CN108238708A CN201810204403.6A CN201810204403A CN108238708A CN 108238708 A CN108238708 A CN 108238708A CN 201810204403 A CN201810204403 A CN 201810204403A CN 108238708 A CN108238708 A CN 108238708A
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- Prior art keywords
- sludge
- sludge drying
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- solar energy
- drying chamber
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Classifications
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- 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
-
- 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
-
- 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of sludge drying total system, including solar energy high temperature vaporization chamber, sludge crusher, condensation heat exchange system, temperature control device, sludge drying chamber and sludge collecting tank；Solar energy high temperature vaporization chamber, condensation heat exchange system, temperature control device and the sludge drying chamber is sequentially connected, and solar energy high temperature vaporization chamber, sludge crusher and sludge drying chamber connect and sludge drying chamber bottom is equipped with sludge collecting tank.Sludge is dehydrated by solar energy for present invention offer one kind and desiccation；Sewage treating efficiency is high；The low sludge drying total system of Treatment of Sludge expense, and disclose the application method of this system.
Description
Technical field
The present invention relates to water treatment field more particularly to a kind of sludge drying total systems.
Background technology
Sludge total amount is increased sharply, and is badly in need of big input.Sludge annual output in China's is up to about 70,000,000 tons at present, including about 35,000,000
The municipal sludge and 35,000,000 tons of industrial sludge of ton.Sludge harm is big, and actually active handling rate must push away but less than 25%
Into Treatment of Sludge industry development, secondary pollution, complete water process industrial chain are reduced.But present environmental protection industry (epi) generally existing is dirty
The problems such as mud water content is high, and outer processing cost of entrusting is expensive.
Invention content
Goal of the invention：In view of the deficiencies of the prior art with defect, present invention offer is a kind of to carry out sludge by solar energy
Dehydration and desiccation；Sewage treating efficiency is high；The low sludge drying total system of Treatment of Sludge expense, and disclose this and be
The application method of system.
Technical solution：The sludge drying total system of the present invention, it is characterised in that：It is evaporated including solar energy high temperature
Room, sludge crusher, condensation heat exchange system, temperature control device, sludge drying chamber and sludge collecting tank；The solar energy high temperature steams
Hair room, condensation heat exchange system, temperature control device and sludge drying chamber are sequentially connected, solar energy high temperature vaporization chamber, sludge crusher with
Sludge drying chamber connects and sludge drying chamber bottom is equipped with sludge collecting tank；The solar energy high temperature vaporization chamber includes air inlet
Area, evaporating area, solar energy heating area, heat transfer zone and outlet area；The evaporating area side is connect with air inlet area and in evaporating area
Baffles are equipped between air inlet area, evaporating area opposite side is connect with solar energy heating area, and optically focused light transmission is equipped at the top of evaporating area
Plate is simultaneously equipped with heat transfer plate in bottom；The heat transfer zone is located at evaporating area bottom and is arranged in parallel with evaporating area, heat transfer zone side
It is connect with solar energy heating area by U-shaped curved tube and is connect in opposite side with outlet area, wind is equipped between heat transfer zone and outlet area
Machine is simultaneously equipped with insulating layer in bottom；The evaporating area of the solar energy high temperature vaporization chamber is connect by conveyer belt with sludge drying chamber
And it is equipped with sludge crusher on the conveyor belt；
The condensation heat exchange system includes condenser, cold air bend pipe and hot gas bend pipe；The condenser passes through air guide
Pipe connect with sludge drying chamber and is connect in bottom with cold air bend pipe；The cold air bend pipe be staggered with hot gas bend pipe and
End is connect by gas-guide tube with temperature control device；The hot gas bend pipe is connect with the outlet area of solar energy high temperature vaporization chamber；Institute
The temperature control device stated is connect by gas-guide tube with sludge drying chamber；The sludge drying chamber is internally provided with several rotation conveyings
Device；The rotation conveying device is made of the band body between the runner and runner at both ends and -60 ° folder at 45 ° with horizontal plane
Angle.
Wherein, being arranged side by side in the solar energy heating area has several thermal-collecting tubes.
Wherein, the condenser is connect by pipeline with cooling tower.
Wherein, the hot gas bend pipe end is equipped with cyclone separator.
The application method of sludge drying total system includes the following steps：
(1) sludge generated enters the evaporating area tiling of solar energy high temperature vaporization chamber and is dehydrated, and level-one dehydration passes through poly-
Light light-transmitting plate is heated to Sludge Surface 50 DEG C of -60 DEG C of evaporation moisture；Two level dehydration is added vapor by solar energy heating area
Heat carries out sludge bottom in evaporating area heating to 150 DEG C -200 DEG C through heat transfer zone makes moisture evaporation；High-temperature vapor is by going out
Gas area is directed into the hot gas bend pipe of condensation heat exchange system；
(2) dewatered sludge carries out being broken into particle by sludge crusher in vaporization chamber, enters dirt by conveyer belt
Mud desiccation room, sludge drying chamber controls temperature at 60 DEG C -70 DEG C, to passing sequentially through the mud granule on each rotation conveying device
Carry out desiccation；
(3) vapor that evaporation generates in sludge drying room enters condenser progress dehumidification cooling, and dry air is cold
In gas bend pipe gas of the temperature at 50 DEG C -80 DEG C is thermally formed through hot gas bend pipe；By temperature control device adjust gas temperature to
It 60 DEG C -70 DEG C, is fed again into sludge drying chamber and desiccation is carried out to the sludge on rotation conveying device；
(4) sludge after desiccation enters sludge collecting tank from sludge drying chamber；Sewage obtains final product after treatment
Clear water is less than 40% mud granule with moisture content.
Advantageous effect：Compared with prior art, the present invention has following remarkable advantage：The present invention sludge is dehydrated and
Drying and other treatment carries out reheating, also using the heat of solar energy to sludge drying chamber using solar energy heating gas to sludge
Interior mud granule carries out further desiccation, more efficient than commonly drying, more at low cost than electric heating dry change, by not high investment,
It is very big to reduce Treatment of Sludge expense.Moreover, the present invention cools down to aerobic tank and equipment room, the excessively high influence of its temperature is prevented
Equipment uses and sewage treating efficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
1 it is solar energy high temperature vaporization chamber in figure, 2 be sludge crusher, 3 be condensation heat exchange system, 4 be temperature control device, 5 is
Sludge drying chamber, 6 be sludge collecting tank, 7 be evaporating area, 8 be heat transfer plate, 9 be optically focused light-transmitting plate, 10 be solar energy heating area,
11 for U-shaped curved tube, 12 be heat transfer zone, 13 be insulating layer, 14 be air inlet area, 15 be baffles, 16 be wind turbine, 17 be outlet area,
18 it is condenser, 19 be cold air bend pipe, 20 be hot gas bend pipe, 21 be conveyer belt, 22 be gas-guide tube, 23 is rotation conveying device.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described technical scheme of the present invention.
The sludge drying total system of the present invention, it is characterised in that：It is broken including solar energy high temperature vaporization chamber 1, sludge
Broken machine 2, condensation heat exchange system 3, temperature control device 4, sludge drying chamber 5 and sludge collecting tank 6；Solar energy high temperature vaporization chamber 1, condensation
Heat-exchange system 3, temperature control device 4 and sludge drying chamber 5 are sequentially connected, solar energy high temperature vaporization chamber 1, sludge crusher 2 and sludge
Desiccation room 5 connects and 5 bottom of sludge drying chamber is equipped with sludge collecting tank 6；Solar energy high temperature vaporization chamber 1 includes air inlet area 14, steams
Send out area 7, solar energy heating area 10, heat transfer zone 12 and outlet area 17；7 side of evaporating area connect with air inlet area 14 and in evaporating area 7
Baffles 15 are equipped between air inlet area 14,7 opposite side of evaporating area is connect with solar energy heating area 10, and 7 top of evaporating area is equipped with
Optically focused light-transmitting plate 9 is simultaneously equipped with heat transfer plate 8 in bottom；Heat transfer zone 12 is located at 7 bottom of evaporating area and is arranged in parallel with evaporating area 7, changes
12 side of hot-zone is connect with solar energy heating area 10 by U-shaped curved tube 11 and is connect in opposite side with outlet area 17, heat transfer zone 12
Wind turbine 16 is equipped between outlet area 17 and is equipped with insulating layer 13 in bottom；The evaporating area 7 of solar energy high temperature vaporization chamber 1 is by defeated
Band 21 is sent to be connect with sludge drying chamber 5 and sludge crusher 2 is equipped on conveyer belt 21；
Condensation heat exchange system 3 includes condenser 18, cold air bend pipe 19 and hot gas bend pipe 20；Condenser 18 passes through gas-guide tube 22
It connect with sludge drying chamber 5 and is connect in bottom with cold air bend pipe 19；Cold air bend pipe 19 and hot gas bend pipe 20 be staggered and
End is connect by gas-guide tube 22 with temperature control device 4；Hot gas bend pipe 20 is connect with the outlet area 17 of solar energy high temperature vaporization chamber 1；
Temperature control device 4 is connect by gas-guide tube 22 with sludge drying chamber 5；Sludge drying chamber 5 is internally provided with several rotation conveying devices
23；Rotation conveying device 23 be made of the band body between the runner and runner at both ends and with horizontal plane -60 ° of angles at 45 °.
Wherein, being arranged side by side in solar energy heating area 10 has several thermal-collecting tubes.
Wherein, condenser 18 is connect by pipeline 2 with cooling tower.
Wherein, 20 end of hot gas bend pipe is equipped with cyclone separator.
The application method of sludge drying total system includes the following steps：
(1) generate sludge enter solar energy high temperature vaporization chamber 1 evaporating area 7 tiling be dehydrated, level-one dehydration passes through
Optically focused light-transmitting plate 9 is heated to Sludge Surface 50 DEG C of -60 DEG C of evaporation moisture；Two level dehydration is steamed water by solar energy heating area 10
Gas is heated to 150 DEG C -200 DEG C carries out sludge bottom in evaporating area 7 heating through heat transfer zone 12 makes moisture evaporation；High-temperature vapor
The hot gas bend pipe 20 of condensation heat exchange system 3 is directed by outlet area 17；
(2) dewatered sludge carries out being broken into particle by sludge crusher 2 in vaporization chamber 1, by conveyer belt 21 into
Enter sludge drying chamber 5, sludge drying chamber 5 controls temperature at 60 DEG C -70 DEG C, to passing sequentially through on each rotation conveying device 23
Mud granule carries out desiccation；
(3) vapor that evaporation generates in sludge drying chamber 5 enters the progress dehumidification cooling of condenser 18, and dry air exists
In cold air bend pipe 19 gas of the temperature at 50 DEG C -80 DEG C is thermally formed through hot gas bend pipe 20；Gas is adjusted by temperature control device 4
Temperature is fed again into sludge drying chamber 5 and carries out desiccation to the sludge on rotation conveying device 23 to 60 DEG C -70 DEG C；
(4) sludge after desiccation enters sludge collecting tank 6 from sludge drying chamber 5；Sewage obtains final production after treatment
Object clear water is less than 40% mud granule with moisture content.
Economic benefit：
1st, sludge drying benefit：Compared with common sewage disposal system：
Embodiment 1：Municipal sewage plant of Zhejiang Province one day generates 10 tons of sludge, 1 year 3650 tons, outside committee per ton
Processing cost is 3700 yuan, and the outer expense of committee is 1350.5 ten thousand yuan, while needs that 2 people is employed to be kept an eye on, wage 18 within 1 year
Just in case year, annual Treatment of Sludge total cost is 1368.5 ten thousand yuan.
After this system, 40% hereinafter, one produces 1460 tons of primary sludge per year, 1 year committee is outer to take for moisture percentage in sewage sludge control
With being 540.2 ten thousand yuan, annual other fees amount to 150,000 yuan, and annual Treatment of Sludge total cost is 555.2 ten thousand yuan.The system is new
The sludge dewatering of increasing is 750,000 yuan with drying equipment total investment, and First Year saves 738.3 ten thousand yuan, and second year plays annual save
813.3 ten thousand yuan.
Embodiment 2：Jiangsu residential block sanitary sewage disposal station, one day generate 0.5 ton of sludge, 1 year 182.5 tons, it is per ton
Committee outside processing cost be 3200 yuan, 1 year outer expense of committee is 58.4 ten thousand yuan, while employs 1 part-time staff, and wage is 5 contingency
Year, annual Treatment of Sludge total cost is 63.4 ten thousand yuan.
After this system, moisture percentage in sewage sludge control is 40% hereinafter, one produces 73 tons of primary sludge per year, and the outer expense of committee is within 1 year
23.36 ten thousand yuan, annual other fees amount to 20,000 yuan, and annual Treatment of Sludge total cost is 25.36 ten thousand yuan.What the system increased newly
Sludge dewatering is 200,000 yuan with drying equipment total investment, and First Year saves 18.04 ten thousand yuan, and second year device saves 38.04 every year
Wan Yuan.
Claims (5)
1. sludge drying total system, it is characterised in that：Including solar energy high temperature vaporization chamber (1), sludge crusher (2),
Condensation heat exchange system (3), temperature control device (4), sludge drying chamber (5) and sludge collecting tank (6)；The solar energy high temperature evaporation
Room (1), condensation heat exchange system (3), temperature control device (4) and sludge drying chamber (5) are sequentially connected, solar energy high temperature vaporization chamber (1),
Sludge crusher (2) is connect with sludge drying chamber (5) and sludge drying chamber (5) bottom is equipped with sludge collecting tank (6)；It is described too
Positive energy high temperature evaporation room (1) includes air inlet area (14), evaporating area (7), solar energy heating area (10), heat transfer zone (12) and outlet area
(17)；Evaporating area (7) side connect with air inlet area (14) and barrier is equipped between evaporating area (7) and air inlet area (14)
Plate (15), evaporating area (7) opposite side are connect with solar energy heating area (10), and optically focused light-transmitting plate (9) is equipped with simultaneously at the top of evaporating area (7)
Heat transfer plate (8) is equipped in bottom；The heat transfer zone (12) is arranged in parallel positioned at evaporating area (7) bottom and with evaporating area (7), changes
Hot-zone (12) side is connect with solar energy heating area (10) by U-shaped curved tube (11) and is connect in opposite side with outlet area (17),
Wind turbine (16) is equipped between heat transfer zone (12) and outlet area (17) and is equipped with insulating layer (13) in bottom；The solar energy high temperature
The evaporating area (7) of vaporization chamber (1) is connect with sludge drying chamber (5) by conveyer belt (21) and sludge is equipped on conveyer belt (21)
Crusher (2)；
The condensation heat exchange system (3) includes condenser (18), cold air bend pipe (19) and hot gas bend pipe (20)；The condensation
Device (18) is connect with sludge drying chamber (5) by gas-guide tube (22) and is connect in bottom with cold air bend pipe (19)；The cold air
Bend pipe (19) is staggered with hot gas bend pipe (20) and is connect in end by gas-guide tube (22) with temperature control device (4)；Described
Hot gas bend pipe (20) is connect with the outlet area (17) of solar energy high temperature vaporization chamber (1)；The temperature control device (4) passes through gas-guide tube
(22) it is connect with sludge drying chamber (5)；The sludge drying chamber (5) is internally provided with several rotation conveying devices (23)；Institute
The rotation conveying device (23) stated be made of the band body between the runner and runner at both ends and with horizontal plane -60 ° of angles at 45 °.
2. sludge drying total system according to claim 1, it is characterised in that：The solar energy heating area
(10) being arranged side by side in has several thermal-collecting tubes.
3. sludge drying total system according to claim 1, it is characterised in that：The condenser (18) passes through
Pipeline (2) is connect with cooling tower.
4. sludge drying total system according to claim 1, it is characterised in that：Hot gas bend pipe (20) end
End is equipped with cyclone separator.
5. sludge drying total system according to claim 1, it is characterised in that：The application method of the system includes
Following step：
(1) generate sludge enter solar energy high temperature vaporization chamber (1) evaporating area (7) tiling be dehydrated, level-one dehydration passes through
Optically focused light-transmitting plate (9) is heated to Sludge Surface 50 DEG C of -60 DEG C of evaporation moisture；Two level dehydration will by solar energy heating area (10)
Vapor is heated to 150 DEG C -200 DEG C carries out evaporating area (7) interior sludge bottom heating through heat transfer zone (12) makes moisture evaporation；It is high
Temperature steam is directed into the hot gas bend pipe (20) of condensation heat exchange system (3) by outlet area (17)；
(2) dewatered sludge carries out being broken into particle by sludge crusher (2) in vaporization chamber (1), passes through conveyer belt (21)
Into sludge drying chamber (5), sludge drying chamber (5) controls temperature at 60 DEG C -70 DEG C, to passing sequentially through each rotation conveying device
(23) mud granule on carries out desiccation；
(3) vapor that evaporation generates in sludge drying chamber (5) enters condenser (18) progress dehumidification cooling, and dry air exists
In cold air bend pipe (19) gas of the temperature at 50 DEG C -80 DEG C is thermally formed through hot gas bend pipe (20)；It is adjusted by temperature control device (4)
Solar term temperature is fed again into sludge drying chamber (5) and the sludge on rotation conveying device (23) is done to 60 DEG C -70 DEG C
Change；
(4) sludge after desiccation is from sludge drying chamber (5) into sludge collecting tank (6)；Sewage obtains final production after treatment
Object clear water is less than 40% mud granule with moisture content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204403.6A CN108238708A (en) | 2018-03-13 | 2018-03-13 | Sludge drying total system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204403.6A CN108238708A (en) | 2018-03-13 | 2018-03-13 | Sludge drying total system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108238708A true CN108238708A (en) | 2018-07-03 |
Family
ID=62700107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204403.6A Withdrawn CN108238708A (en) | 2018-03-13 | 2018-03-13 | Sludge drying total system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108238708A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928595A (en) * | 2019-03-28 | 2019-06-25 | 北京科技大学 | Sludge deep drying method and system based on low-temperature heat source |
| CN110526546A (en) * | 2019-09-27 | 2019-12-03 | 上海同臣环保有限公司 | Sludge drying device and sludge drying processing method |
| CN112358153A (en) * | 2020-10-23 | 2021-02-12 | 西安交通大学 | Staggered declination type sludge drying device |
-
2018
- 2018-03-13 CN CN201810204403.6A patent/CN108238708A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928595A (en) * | 2019-03-28 | 2019-06-25 | 北京科技大学 | Sludge deep drying method and system based on low-temperature heat source |
| CN110526546A (en) * | 2019-09-27 | 2019-12-03 | 上海同臣环保有限公司 | Sludge drying device and sludge drying processing method |
| CN112358153A (en) * | 2020-10-23 | 2021-02-12 | 西安交通大学 | Staggered declination type sludge drying device |
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|---|---|---|---|
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180703 |
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| WW01 | Invention patent application withdrawn after publication |