CN102503071A - Dual-heat source multi-screw material drying device - Google Patents
Dual-heat source multi-screw material drying device Download PDFInfo
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- CN102503071A CN102503071A CN2011103684409A CN201110368440A CN102503071A CN 102503071 A CN102503071 A CN 102503071A CN 2011103684409 A CN2011103684409 A CN 2011103684409A CN 201110368440 A CN201110368440 A CN 201110368440A CN 102503071 A CN102503071 A CN 102503071A
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- multiscrew
- material drying
- thermal source
- drying device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention which discloses a solar energy used dual-heat source material drying device aims to provides a system utilizing the solar energy to dry sludge and the like. The device comprises a spiral transmission system, three screws comprising one primary screw and two auxiliary screws are arranged in the spiral transmission system, and sludge is transmitted through the bidirectional running under the drive of a primary motor and auxiliary motors, so the residence time of the sludge is improved, and the sludge and the like are fully dried. A hot gas pipeline is laid over the screws, and a gas which is heated by the solar energy is accessed. Hot oil heated by the solar energy, which goes through a conduit, enters a hot oil pipeline in a jacket to dry the sludge, so the sludge and the like are dried by dual heat sources of the hot gas and the hot oil, the initial heat value is increased, thereby the energy utilization efficiency is substantially improved, the effective drying of the sludge and the like is realized, and energy is saved.
Description
Technical field
The present invention relates to the spiral transmission dry materials mode of a kind of pair of thermal source multiscrew, be mainly used in sludge of sewage treatment plants and handle the drying of solid materialss such as some farm crop.
Background technology
What present sewage work more than 80% adopted all is activated sludge process, and its maximum drawback is exactly to produce a large amount of excess sludges when disposing of sewage.Even also more than 80%, also need further drying and other treatment through its water ratio after the processed, therefore press for a kind of energy-efficient drying sludge treatment facility.
The initial calorific value that the existing drying plant that is used for solid materials, single source cause is low, and primary drying is insufficient, and HU is low, and energy consumption is high, and heat exchanger time is wayward, and automation degree of equipment is not high.Owing to heat exchange system space reason, surperficial boil-off rate is low with inner wet part rate of diffusion, and accurate inadequately to the water ratio control degree of handling the back material, the quality of discharging is not high.
Thermal source is mainly derived from residual heat from boiler fume perhaps directly with fuel or electric energy heating in the existing dry technology, and boiler smoke needs follow-up flue gas to handle, and direct heating consumes a large amount of energy again, and is all undesirable aspect cost and environment protection.
Summary of the invention
The purpose of the present invention's invention is the weak point to above-mentioned prior art existence, and a kind of spiral transmission dehumidification system efficient, control easily is provided.
The object of the invention can be realized through following measure: a kind of pair of thermal source multiscrew material drying device is characterized in that: comprise shell 20, screw device 1,3,23, housing 20, driving screw 3 and sub-screw (1; 23) in shell 20, be arranged in parallel, driving screw drives through main motor 9, and sub-screw (1,23) is through auxiliary-motor (8; 21) drive, main motor 9 and auxiliary-motor (8,21) are located at shell 20 right ends respectively, and shell 20 tops are provided with gas pipe line 7; 22, gas pipe line (7,22) connects inlet mouth 15, arranges hot oil pipeline 4 in the chuck 14 of shell 20; Said oil pipeline adopts and lays around mode, and hot oil pipeline 4 one ends connect oil-in 17, one ends and connect oil outlet 16; Be distributed in around the screw rod, shell 20 1 end tops are provided with opening for feed 6, and the other end bottom is provided with discharge port 5.
Be provided with accumulation storehouse 30 in opening for feed 6 bottoms, the other end is provided with near feed opening 5 places piles up storehouse 29.
Dual power supply multiscrew material drying device is provided with pressure transmitter 26 at accumulation Cang29Chu.
Blade 2 on the screw rod adopts arc and has sawtooth.
The material drying device of two thermal source multiscrews; Air chest 13, fuel tank 12, sun power 18; Two thermal source multiscrew material drying device; Be provided with oil-in 17 and be connected with fuel tank 12, be provided with hot air inlet 15 and be connected with air chest 13, fuel tank 12 all is connected to sun power 18 with air chest 13 and forms two thermal source multiscrew material drying systems.
Compared with prior art, the present invention has following advantage and effect:
(1) two thermals source of being made up of hot gas and deep fat have improved the drying efficiency of system.
(2) this system cooperates auxiliary electric power heating unit to remedy the thermal source problem under the insufficient condition of illumination condition.
(3) adopt major-minor spiral to transmit material, and material can transmit by positive and negative both direction under the control of major-minor motor, the time that material stops in heat exchanger increases, and has improved the utilization ratio of heat.
The damp-heat air of (4) discharging is heated as thermal source backflow oil dropping apparatus, has improved utilization efficiency of energy.
(5) blade on the screw rod adopts camber line shape and has sawtooth and can effectively cut mud.
(6) housing is provided with for two sections and piles up the storehouse, and through pressure transmitter control accumulating amount, thereby the transmission of regulating major-minor motor makes the mud thorough drying.
Description of drawings
Fig. 1 is the process flow sheet of system.
Fig. 2 is the diagrammatic cross-section of spiral dehumidification system.
Fig. 3 is the layout n. of screw rod and blade.
Fig. 4 is the left view of spiral system.
Among the figure: 1,23-sub-screw; The 2-blade; The 3-driving screw; The 4-hot oil pipeline; The 5-discharge port; The 6-opening for feed; 7,22-gas pipe line; 8,21-auxiliary-motor; 9-master's motor; The 10-transfer pump; 11-electric power heating unit; The 12-fuel tank; The 13-air chest; The 14-chuck; The 15-hot air intake; The 16-oil outlet; 17 oil-ins; 18-sun power; 19 airs; The 20-housing; 24-drum-type blower fan; The 26-transmitter; 29,30-piles up the storehouse.
Embodiment
The invention provides the material drying system of a kind of pair of thermal source multiscrew, its structure is as shown in Figure 1.
As shown in Figure 1; It is the synoptic diagram of the two thermal source multiscrew material drying device of the present invention; He comprises screw device 1,3,23, housing 20, chuck 14, main motor 9 and auxiliary-motor (8,21); Said screw device is through the major-minor electric machine control, and it comprises forward driving motor, reversing drive motor, shaft coupling, step-down gear, head bearings device, tail bearing device, transfer lime, support tube, helical member and opening for feed 6, discharge port 5.Wherein three screw rods are arranged in parallel, main helical feed screw rod forward transmits material, two sub-screw reversing drive, control material reverse transfer.
Material is by in the opening for feed access to plant near main motor side; Because action of gravity is fallen, slowly to the left transmission, the solid accumulation that falls when transmitting beginning is in the accumulation storehouse 30 of opening for feed bottom by main motor screw 3 for partial material; Be sent to the accumulation storehouse 29 of the other end when material; And pressure transmitter 26 regulation and control auxiliary-motors (1,23) started after the accumulation of a certain amount of a was arranged, and this moment, speed was higher than driving screw 3, after the mud in piling up storehouse 29 is reduced to a certain amount of b; Main motor 9 speed-raisings of pressure transmitter 26 regulation and control; Make the transfer rate of driving screw 3 be higher than sub-screw (8,21), the material in piling up storehouse 29 once more behind the amount of the reaching a discharge port 5 open blowing once, thereby get into next samsara.Regulate the residence time of material in heat exchange system.When reaching the ridity that needs, material discharges through discharge port 5.Filler when piling up mud remaining in the storehouse and can be used as next drying sludge.
Lay two hot gas ducts (7,22) on the top of housing, the high temperature air after solar heating gets into the heat exchangers from the inlet mouth 15 of one section of housing, and discharge equally distributed air outlet from the pipeline again, and material is carried out drying.Damp and hot air can be discharged from system under the drive of rolling circle cylinder 24 from hull outside with material.
Arrange hot oil pipeline 4 in the chuck 14 of housing 20, said oil pipeline adopts and lays around mode, is distributed in around the screw rod, thereby realizes the even heating of material dry.The deep fat that process sun power 18 heated from inlet 17 accesss to plant of interlayer one end, is realized recycle by the oil outlet 16 of the other end by hot oil pipeline 4 again in the drive refluxed oil-feed tank 12 of transfer pump (10).
Feed a solar energy water circulating line in the fuel tank; Utilize the oil in the water indirect heating fuel tank of solar heating; Simultaneously also have electric power heating unit 11, under the not abundant condition of sunlight, when the energy that sun power provides can not satisfy the demand of dehumidification system in the bottom of fuel tank; Can heat oil through electric power, guarantee the normal operation of oil drying.
Claims (8)
1. a two thermal source multiscrew material drying device is characterized in that: comprise shell (20), screw device (1), (3), (23), housing (20), driving screw (3) and sub-screw (1; 23) in shell (20), be arranged in parallel, driving screw drives through main motor (9), sub-screw (1; 23) drive main motor (9) and auxiliary-motor (8 through auxiliary-motor (8,21); 21) be located at shell (20) right ends respectively, shell (20) top is provided with gas pipe line (7,22); Gas pipe line (7,22) connects inlet mouth (15), arranges hot oil pipeline (4) in the chuck (14) of shell (20); Said oil pipeline adopts and lays around mode, and hot oil pipeline (4) one ends connect oil-in (17), and an end connects oil outlet (16); Be distributed in around the screw rod, shell (20) one end tops are provided with opening for feed (6), and the other end bottom is provided with discharge port (5).
2. as claimed in claim 1 pair of thermal source multiscrew material drying device is characterized in that: be provided with in opening for feed (6) bottom and pile up storehouse (30), the other end locates to be provided with accumulation storehouse (29) near feed opening (5).
3. according to claim 1 or claim 2 two thermal source multiscrew material drying device is characterized in that: dual power supply multiscrew material drying device locates to be provided with pressure transmitter (26) piling up storehouse (29).
4. two thermal source multiscrew material drying device as claimed in claim 3; It is characterized in that: the mode of operation of said drying installation is: material is by in the opening for feed access to plant near main motor side; Because action of gravity is fallen, slowly to the left transmission, the solid accumulation that falls when transmitting beginning is in the accumulation storehouse (30) of opening for feed bottom by main motor screw (3) for partial material; Be sent to the accumulation storehouse (29) of the other end when material; And pressure transmitter 26 regulation and control auxiliary-motors (1,23) started after the accumulation of a certain amount of a was arranged, and this moment, speed was higher than driving screw (3), after the mud in piling up storehouse (29) is reduced to a certain amount of b; Pressure transmitter (26) is regulated and control main motor (9) speed-raising; Make the transfer rate of driving screw (3) be higher than sub-screw (8,21), the material in piling up storehouse (29) once more behind the amount of the reaching a discharge port (5) open blowing once, thereby get into next samsara.
5. like claim 1 or 2 or 4 described pairs of thermal source multiscrew material drying device, it is characterized in that: the blade on the screw rod (2) adopts arc also to have sawtooth.
6. a two thermal source multiscrew material drying system is characterized in that, comprises two thermal source multiscrew material drying device; Air chest (13), fuel tank (12), sun power (18); The material drying device of two thermal source multiscrews; Be provided with oil-in (17) and be connected with fuel tank (12), be provided with hot air inlet (15) and be connected with air chest, fuel tank (18) and air chest (13) all are connected to sun power (18).
7. as claimed in claim 6 pair of thermal source multiscrew material drying system; It is characterized in that: the oil outlet (16) of two thermal source multiscrew material drying device is provided with transfer pump (10); Transfer pump (10) one ends connect oil outlet (16); The other end connects fuel tank (12), and the oil of oil outlet (16) is realized recycle in the drive refluxed oil-feed tank (12) of transfer pump (10).
8. the material drying system of as claimed in claim 6 pair of thermal source multiscrew is characterized in that: the bottom of fuel tank (12) also has electric power heating unit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103684409A CN102503071B (en) | 2011-11-19 | 2011-11-19 | Dual-heat source multi-screw material drying device and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103684409A CN102503071B (en) | 2011-11-19 | 2011-11-19 | Dual-heat source multi-screw material drying device and system thereof |
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| CN102503071A true CN102503071A (en) | 2012-06-20 |
| CN102503071B CN102503071B (en) | 2013-04-17 |
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| CN2011103684409A Expired - Fee Related CN102503071B (en) | 2011-11-19 | 2011-11-19 | Dual-heat source multi-screw material drying device and system thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889768A (en) * | 2012-11-14 | 2013-01-23 | 镇江七政新能源有限公司 | Solar dryer |
| CN102889769A (en) * | 2012-11-14 | 2013-01-23 | 镇江七政新能源有限公司 | Solar dryer |
| CN104086069A (en) * | 2014-08-01 | 2014-10-08 | 曹坤常 | Sludge centrifugal drying machine |
| CN107032579A (en) * | 2016-03-15 | 2017-08-11 | 谢静 | The thermal source feed system of hydrous waste thing machinery drying equipment |
| CN107056004A (en) * | 2017-03-30 | 2017-08-18 | 四川高博环保工程有限公司 | Stirring structure in sludge hydrolytic tank |
| CN107606926A (en) * | 2017-09-29 | 2018-01-19 | 临汾市汇友创电子科技有限公司 | A kind of energy-saving grain dryer |
| EP2948526B1 (en) * | 2013-01-25 | 2018-11-14 | Calaeris Energy & Environment Ltd. | Turbulent vacuum thermal separation methods |
| US12007167B1 (en) | 2018-03-01 | 2024-06-11 | Steve Macchio | Systems and methods for environmentally-clean thermal drying |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158519Y (en) * | 1993-04-06 | 1994-03-09 | 东北工学院机械厂 | Multi-layer spiral sheet dryer |
| CN2771778Y (en) * | 2005-03-18 | 2006-04-12 | 东南大学 | Sluge over-heated steam drying device |
| KR100759416B1 (en) * | 2007-05-25 | 2007-10-04 | 주식회사 한창엔텍 | Sludge drying device for shaftless spiralscrew |
-
2011
- 2011-11-19 CN CN2011103684409A patent/CN102503071B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158519Y (en) * | 1993-04-06 | 1994-03-09 | 东北工学院机械厂 | Multi-layer spiral sheet dryer |
| CN2771778Y (en) * | 2005-03-18 | 2006-04-12 | 东南大学 | Sluge over-heated steam drying device |
| KR100759416B1 (en) * | 2007-05-25 | 2007-10-04 | 주식회사 한창엔텍 | Sludge drying device for shaftless spiralscrew |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889768A (en) * | 2012-11-14 | 2013-01-23 | 镇江七政新能源有限公司 | Solar dryer |
| CN102889769A (en) * | 2012-11-14 | 2013-01-23 | 镇江七政新能源有限公司 | Solar dryer |
| EP2948526B1 (en) * | 2013-01-25 | 2018-11-14 | Calaeris Energy & Environment Ltd. | Turbulent vacuum thermal separation methods |
| CN104086069A (en) * | 2014-08-01 | 2014-10-08 | 曹坤常 | Sludge centrifugal drying machine |
| CN107032579A (en) * | 2016-03-15 | 2017-08-11 | 谢静 | The thermal source feed system of hydrous waste thing machinery drying equipment |
| CN107056004A (en) * | 2017-03-30 | 2017-08-18 | 四川高博环保工程有限公司 | Stirring structure in sludge hydrolytic tank |
| CN107606926A (en) * | 2017-09-29 | 2018-01-19 | 临汾市汇友创电子科技有限公司 | A kind of energy-saving grain dryer |
| US12007167B1 (en) | 2018-03-01 | 2024-06-11 | Steve Macchio | Systems and methods for environmentally-clean thermal drying |
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| Publication number | Publication date |
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| CN102503071B (en) | 2013-04-17 |
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Free format text: FORMER OWNER: ZHAO LIDONG SHI YA NAN Effective date: 20130206 |
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Effective date of registration: 20130206 Address after: 212009 Zhenjiang city of Jiangsu province Dingmao after twelve road science and Technology Park Building No. 468 Gemini A7F. Applicant after: Jiangsu Topsci Environmental Protection Technology Co., Ltd. Address before: 212009, 708, building 7, building A, twin building, Zhenjiang science and Technology Park, twelve Road, Jiangsu, Zhenjiang Applicant before: Jiangsu Topsci Environmental Protection Technology Co., Ltd. Applicant before: Zhao Lidong Applicant before: Shi Yanan |
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