CN104402191A - Energy-saving disc type drying system - Google Patents
Energy-saving disc type drying system Download PDFInfo
- Publication number
- CN104402191A CN104402191A CN201410714019.2A CN201410714019A CN104402191A CN 104402191 A CN104402191 A CN 104402191A CN 201410714019 A CN201410714019 A CN 201410714019A CN 104402191 A CN104402191 A CN 104402191A
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- China
- Prior art keywords
- energy
- tubular shaft
- heating plate
- disc
- conservation
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Abstract
The invention relates to an energy-saving disc type drying system. A row of hollow heating trays are arranged in a cavity composed of an upper barrel and a lower barrel, a hollow shaft penetrates through the cavity and the hollow heating trays, and the hollow heating trays are fixed on the hollow shaft. A triangular scraper is arranged between two adjacent hollow heating trays and fixed at the lower end of a steam inlet branch pipe. A jacket of the upper barrel is communicated with a steam inlet main pipe through a first steam pipeline and communicated with the upper end of the steam inlet branch pipe. The steam inlet main pipe is communicated with one end of the hollow shaft through a second steam pipeline, and a siphoning type main drainage pipe is arranged at the other end of the hollow shaft and connected into a jacket of the lower barrel through a pipeline. A feed opening is formed in the upper barrel at the steam inlet end, and a discharge opening is formed in the lower barrel at the drainage end. Tail gas is subjected to temperature increasing and pressure boost for recycling, convection, conduction and composite heating, so that the stirring and crushing in the evaporation drying process is implemented. The energy-saving disc type drying system has the advantages of saving energy and being low operating cost and wide in range of application.
Description
Technical field
The present invention relates to a kind of sewage sludge evaporation drying equipment, particularly relate to the energy-conservation disc-type dehumidification system of a kind of percolate mud with mechanical vapor-compression device or sewage sludge.
Background technology
12 planning requirement China above domestic refuses in town must carry out harmless treatment, and the percolate produced in treating processes belongs to high organism, high salinity, high ammonia nitrogen and high toxicity waste water.China's percolate is acknowledged as the most complicated and the most unmanageable waste water in the world, two kinds of main treatment process are formed at present, one class is " biochemistry+film ", and a class is " MVR+ ion-exchange ", and two kinds of techniques all thoroughly could not process the mud of concentrated waste water and formation.
Mud great majority no process that the existing sewage treatment plants of China produces, form mud secondary pollution, some adopts the cost of conventional drying process also high.
Also mud is produced in the sewage treatment process such as paper waste, food factory's pharmaceutical factory fermentation waste water.
Therefore be badly in need of a kind of efficient, energy-conservation, cost is low, the drying plant of the various mud of thorough process.
Summary of the invention
The invention provides a kind of energy-conservation disc-type dehumidification system to solve the problems of the technologies described above, object be do not produce concentrated waste water, consume energy low, can sewage concentration and drying sludge be carried out.
For reaching the energy-conservation disc-type dehumidification system of above-mentioned purpose the present invention, row's hollow heating plate is provided with in the cavity that upper shell and lower shell are formed, tubular shaft is through cavity and row's hollow heating plate, one row's hollow heating plate is fixed on tubular shaft, trilateral material scraper is provided with between two adjacent hollow heating plates, trilateral material scraper is fixed on admission arm lower end, be communicated with by the first vapour line with between admission house steward at the chuck of upper shell, the chuck of upper shell communicates with admission arm upper end, admission house steward is communicated with tubular shaft one end by the second vapour line, the tubular shaft the other end is provided with dewatering in siphon type house steward, main drain is connected in the chuck of lower shell by pipeline, opening for feed is located on the upper shell of admission end, discharge port is located on the lower shell of discharge ends, stirring shovel is provided with in one end cavity being provided with discharge port, upper shell is provided with strainer, filter outlet is connected with the first vapour line by recycling pipeline, recycling pipeline is provided with compressor, be communicated with rising pipe at the lower shell chuck being provided with opening for feed one end.
Each hollow heating plate is disc-shape, and the interior thickness of hollow heating plate is greater than two ends.
On each hollow heating plate interior diameter, tubular shaft both sides are provided with dividing plate, and hollow heating plate is divided into two cavitys by two dividing plates and tubular shaft.
Described dividing plate both sides are respectively equipped with two branch drains, and two branch drains of dividing plate both sides are located at the both sides of tubular shaft respectively, and communicate with tubular shaft; A heating plate steam inlet pipe is respectively equipped with in each cavity.
Described heating plate steam inlet pipe communicates with tubular shaft, and the length of heating plate steam inlet pipe is greater than the length of branch drain.
Hollow heating plate is provided with material scraping plate.
Described stirring shovel is fixed on tubular shaft by fixed link, and the two ends of tubular shaft are provided with swivel joint.
Filtering net is provided with in described strainer.
The cavity two ends that described upper shell and lower shell are formed are provided with end cap, are provided with the lid end sealing for sealing end cap and tubular shaft junction outside end cap.
The first vapour line between described recycling pipeline and admission house steward is provided with water jet standpipe; Rising pipe is communicated with water tank, and water tank is connected with vacuum system by pipeline.
Advantageous effect of the present invention: the present invention heats supercharging recycling tail vapour, convection current, conduction composite heating, the stirring realizing evaporative drying process is pulverized, and therefore energy-conservation, working cost is low, widely applicable.The most advantageous benefits of the present invention realizes wastewater zero discharge, and do not produce secondary pollution, energy-saving efficiency is high, reaches more than 50%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is hollow heating plate structure iron of the present invention.
In figure: 1, trilateral material scraper; 2, discharge port; 3, stirring shovel; 4, main drain; 5, swivel joint; 6, lid end sealing; 7, tubular shaft; 8, material scraping plate; 9, admission arm; 10, strainer; 11, compressor; 12, water jet standpipe; 13, admission house steward; 14, vacuum system; 15, upper shell; 16, opening for feed; 17, end cap; 18, the first vapour line; 19, water tank; 20, lower shell; 21, branch drain; 22, heating plate steam inlet pipe; 23, hollow heating plate; 24, dividing plate; 25, the second vapour line; 26, recycling pipeline; 27, rising pipe.
Embodiment
The concentrate drying system that example belt Mechanical Vapor Compression in is by reference to the accompanying drawings used for percolate is illustrated by the present invention below.
The energy-conservation disc-type dehumidification system of the present invention as shown in the figure, row's hollow heating plate 23 is provided with in the cavity that upper shell 15 and lower shell 20 are formed, tubular shaft 7 is through cavity and row's hollow heating plate 23, one row's hollow heating plate 23 is fixed on tubular shaft 7, the two ends of tubular shaft 7 are provided with swivel joint 5, trilateral material scraper 1 is provided with between two adjacent hollow heating plates 23, trilateral material scraper 1 is fixed on admission arm 9 lower end, be communicated with by the first vapour line 18 with between admission house steward 13 at the chuck of upper shell 15, the chuck of upper shell 15 communicates with admission arm 9 upper end, admission house steward 13 is communicated with tubular shaft 7 one end by the second vapour line 25, tubular shaft 7 the other end is provided with dewatering in siphon type house steward 4, main drain 4 is connected in the chuck of lower shell 20 by pipeline, opening for feed 16 is located on the upper shell 15 of admission end, discharge port 2 is located on the lower shell 20 of discharge ends, stirring shovel 3 is provided with in one end cavity being provided with discharge port 2, upper shell 15 is provided with strainer 10, strainer 10 is exported and is connected with the first vapour line 18 by recycling pipeline 26, recycling pipeline 26 is provided with compressor 11, be communicated with rising pipe 27 at lower shell 20 chuck being provided with opening for feed one end, rising pipe 27 is communicated with water tank 19, water tank 19 is connected with vacuum system 14 by pipeline.
Each hollow heating plate 23 is disc-shape, and the interior thickness of hollow heating plate 23 is greater than two ends.
On each hollow heating plate 23 interior diameter, tubular shaft 7 both sides are provided with dividing plate 24, and hollow heating plate 23 is divided into two cavitys by two dividing plates 24 and tubular shaft 7.Dividing plate 24 both sides are respectively equipped with two branch drains 21, and two branch drains 21 of dividing plate 24 both sides are located at the both sides of tubular shaft 7 respectively, and communicate with tubular shaft 7; A heating plate steam inlet pipe 22 is respectively equipped with in each cavity.Heating plate steam inlet pipe 22 communicates with tubular shaft 7.The length of heating plate steam inlet pipe 22 is greater than the length of branch drain 21.Hollow heating plate 23 is provided with material scraping plate 8.Material scraping plate 8 tilts to discharging direction.
Stirring shovel 3 is fixed on tubular shaft 7 by fixed link.
Filtering net is provided with in strainer 10.
The cavity two ends that upper shell 15 and lower shell 20 are formed are provided with end cap 17, are provided with the lid end sealing 6 for sealing end cap 17 and tubular shaft 7 junction outside end cap 17.
The first vapour line 18 between recycling pipeline 26 and admission house steward 13 is provided with water jet standpipe 12.
Cylindrical shell outside and pipeline are added with thermal insulation layer.
Principle of work of the present invention: when system starts, steam enters into the first vapour line 18 and the second vapour line 25 by admission house steward 13, steam in first vapour line 18 enters into after in upper shell 15 chuck and enters in cavity by admission arm 9 again, second vapour line 25 enters into after in tubular shaft and enters in the cavity of hollow heating plate 23 from heating plate steam inlet pipe 22, be discharged in the chuck of lower shell 20 from main drain after entering into tubular shaft from branch drain after being condensed into water, finally discharge from rising pipe.Material enters from opening for feed, discharges from discharge port.Tubular shaft 7 rotates and drives hollow heating plate to rotate, material scraping plate 8 promotes material and moves to discharge port direction, steam in steam in cavity and hollow heating plate carries out drying to material, steam in cavity heats supercharging through compressor again by strainer and gets back to the first vapour line, and the steam in the first vapour line is delivered in upper shell chuck and in the second vapour line respectively.When reach capacity in cylindrical shell vaporization temperature time, stop steam manifold steam supply, system continues running continuously.By regulating the dry vaporization temperature of vacuum degree control.
Claims (10)
1. energy-conservation disc-type dehumidification system, it is characterized in that being provided with row's hollow heating plate in the cavity that upper shell and lower shell are formed, tubular shaft is through cavity and row's hollow heating plate, one row's hollow heating plate is fixed on tubular shaft, trilateral material scraper is provided with between two adjacent hollow heating plates, trilateral material scraper is fixed on admission arm lower end, be communicated with by the first vapour line with between admission house steward at the chuck of upper shell, the chuck of upper shell communicates with admission arm upper end, admission house steward is communicated with tubular shaft one end by the second vapour line, the tubular shaft the other end is provided with dewatering in siphon type house steward, main drain is connected in the chuck of lower shell by pipeline, opening for feed is located on the upper shell of admission end, discharge port is located on the lower shell of discharge ends, stirring shovel is provided with in one end cavity being provided with discharge port, upper shell is provided with strainer, filter outlet is connected with the first vapour line by recycling pipeline, recycling pipeline is provided with compressor, be communicated with rising pipe at the lower shell chuck being provided with opening for feed one end.
2. energy-conservation disc-type dehumidification system according to claim 1, it is characterized in that each hollow heating plate is disc-shape, the interior thickness of hollow heating plate is greater than two ends.
3. energy-conservation disc-type dehumidification system according to claim 2, it is characterized in that on each hollow heating plate interior diameter, tubular shaft both sides are provided with dividing plate, hollow heating plate is divided into two cavitys by two dividing plates and tubular shaft.
4. energy-conservation disc-type dehumidification system according to claim 3, is characterized in that described dividing plate both sides are respectively equipped with two branch drains, and two branch drains of dividing plate both sides are located at the both sides of tubular shaft respectively, and communicate with tubular shaft; A heating plate steam inlet pipe is respectively equipped with in each cavity.
5. energy-conservation disc-type dehumidification system according to claim 4, it is characterized in that described heating plate steam inlet pipe communicates with tubular shaft, the length of heating plate steam inlet pipe is greater than the length of branch drain.
6. energy-conservation disc-type dehumidification system according to claim 4, is characterized in that described hollow heating plate is provided with material scraping plate.
7. energy-conservation disc-type dehumidification system according to claim 1, it is characterized in that described stirring shovel is fixed on tubular shaft by fixed link, the two ends of tubular shaft are provided with swivel joint.
8. energy-conservation disc-type dehumidification system according to claim 1, is characterized in that being provided with filtering net in described strainer.
9. energy-conservation disc-type dehumidification system according to claim 1, is characterized in that the cavity two ends that described upper shell and lower shell are formed are provided with end cap, is provided with the lid end sealing for sealing end cap and tubular shaft junction outside end cap.
10. energy-conservation disc-type dehumidification system according to claim 1, is characterized in that the first vapour line between described recycling pipeline and admission house steward is provided with water jet standpipe; Rising pipe is communicated with water tank, and water tank is connected with vacuum system by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714019.2A CN104402191B (en) | 2014-12-02 | 2014-12-02 | Energy-saving disc type drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714019.2A CN104402191B (en) | 2014-12-02 | 2014-12-02 | Energy-saving disc type drying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104402191A true CN104402191A (en) | 2015-03-11 |
| CN104402191B CN104402191B (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714019.2A Expired - Fee Related CN104402191B (en) | 2014-12-02 | 2014-12-02 | Energy-saving disc type drying system |
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| Country | Link |
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| CN (1) | CN104402191B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084710A (en) * | 2015-09-15 | 2015-11-25 | 南京大学环境规划设计研究院有限公司 | Sludge energy-saving drying unit and sludge energy-saving drying method |
| CN114988618A (en) * | 2022-08-04 | 2022-09-02 | 江苏建筑职业技术学院 | Sewage filtering device for water pollution treatment |
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| CN201615676U (en) * | 2009-08-19 | 2010-10-27 | 华南理工大学 | Compound heating disc-type sludge drying machine |
| CN102109275A (en) * | 2010-12-14 | 2011-06-29 | 南京航空航天大学 | method and equipment for directly drying based on vapor mechanical recompression |
| CN102183122A (en) * | 2011-03-01 | 2011-09-14 | 中国中轻国际工程有限公司 | Drying dehydration steam-recycle process and device for solid containing water |
| CN102435055A (en) * | 2010-09-29 | 2012-05-02 | 江苏乐科热工程设备有限公司 | Direct drying system |
| CN202993776U (en) * | 2012-12-05 | 2013-06-12 | 陈源森 | Continuous vacuum dryer |
| JP2013184147A (en) * | 2012-03-09 | 2013-09-19 | Metawater Co Ltd | Drying system of sludge |
| CN204325099U (en) * | 2014-12-02 | 2015-05-13 | 辽宁东大能发伟业节能技术工程研究院有限公司 | Energy-conservation disc-type dehumidification system |
-
2014
- 2014-12-02 CN CN201410714019.2A patent/CN104402191B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201615676U (en) * | 2009-08-19 | 2010-10-27 | 华南理工大学 | Compound heating disc-type sludge drying machine |
| CN102435055A (en) * | 2010-09-29 | 2012-05-02 | 江苏乐科热工程设备有限公司 | Direct drying system |
| CN102109275A (en) * | 2010-12-14 | 2011-06-29 | 南京航空航天大学 | method and equipment for directly drying based on vapor mechanical recompression |
| CN102183122A (en) * | 2011-03-01 | 2011-09-14 | 中国中轻国际工程有限公司 | Drying dehydration steam-recycle process and device for solid containing water |
| JP2013184147A (en) * | 2012-03-09 | 2013-09-19 | Metawater Co Ltd | Drying system of sludge |
| CN202993776U (en) * | 2012-12-05 | 2013-06-12 | 陈源森 | Continuous vacuum dryer |
| CN204325099U (en) * | 2014-12-02 | 2015-05-13 | 辽宁东大能发伟业节能技术工程研究院有限公司 | Energy-conservation disc-type dehumidification system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084710A (en) * | 2015-09-15 | 2015-11-25 | 南京大学环境规划设计研究院有限公司 | Sludge energy-saving drying unit and sludge energy-saving drying method |
| CN114988618A (en) * | 2022-08-04 | 2022-09-02 | 江苏建筑职业技术学院 | Sewage filtering device for water pollution treatment |
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| Publication number | Publication date |
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| CN104402191B (en) | 2017-02-01 |
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