CN203683341U - Rotary sludge thickening and dehydrating device - Google Patents

Rotary sludge thickening and dehydrating device Download PDF

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Publication number
CN203683341U
CN203683341U CN201320830844.XU CN201320830844U CN203683341U CN 203683341 U CN203683341 U CN 203683341U CN 201320830844 U CN201320830844 U CN 201320830844U CN 203683341 U CN203683341 U CN 203683341U
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China
Prior art keywords
rotary
sludge
rotary drum
mud
dewatering equipment
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Withdrawn - After Issue
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CN201320830844.XU
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Chinese (zh)
Inventor
彭福全
宦国平
周谷平
袁建海
唐小英
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Nanjing Cec Environmental Protection Co Ltd
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Nanjing Cec Environmental Protection Co Ltd
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Priority to CN201320830844.XU priority Critical patent/CN203683341U/en
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Abstract

The utility model discloses a rotary sludge thickening and dehydrating device. Different gap widths of screen meshes for different grain diameters of sludge are arranged for thickening and dehydrating the sludge, the rotating speed of the device is regulated through a frequency adjusting motor so as to control the transport rate of the sludge to be thickened and the sludge processing amount, sludge blocked screen meshes of the device are washed section by section in different frequencies so that the surfaces heavily blocked by the sludge are washed by large volume of water in high frequency, and the surfaces slightly blocked by sludge are washed by small volume of water in low frequency; the parameters can be optimized according to the property of the fluid and the sludge thickening requirements; the rotary sludge thickening and dehydrating device has a simple structure, is convenient to manufacture, has low energy consumption, good effect and strong practicability, has small once feeding amount, greatly reduces the volume of the thickened sludge, reduces the purchase cost of the equipment for conveying and filter pressing the thickened sludge in subsequent process and the floor area of the equipment, has good performance in dehydrating the sludge for the moisture content of the thickened sludge is low, has short dehydration time, is convenient to examine and maintain, and does not have peculiar smell even if the sludge stays for long.

Description

A kind of rotary sludge thicking dewatering equipment
Technical field
The utility model belongs to field of Environment Protection sludge treatment category, is specifically related to a kind of rotary sludge thicking dewatering equipment.
Background technology
The treatment and disposal object of mud is exactly will be by suitable technical measures, mud is reused or returns in nature with certain environmentally friendly form.Reduce water ratio, it is solid-state making its variable flow state, reduces quantity simultaneously; Stable organic matter, makes it be difficult for corruption, avoids the secondary pollution to environment.
China's sludge from wastewater treatment plant processing is started late, in national existing sewage disposal measure, have mud not random treatment measures be less than 1/4, what treatment process and support equipment were comparatively perfect is less than 1/10th.The effect of sludge dewatering is to remove to be present between mud granule and intragranular water, thereby the physics function that makes liquid mud changes over semi-solid state, desirable sludge dewatering should be to greatest extent water to be removed, the solid particulate of mud should all be deposited on the mud cake after dehydration simultaneously.Process after the mud entered environment of disposing without appropriate, bring secondary pollution directly to water body and atmosphere, not only reduced the effective processing capacity of Sewage treatment systems, and ecotope and the mankind's activity has been formed to severe threat.
Existing sludge thicking dewatering equipment is of a great variety, and structure differs.Mostly complicated, tooling cost is high, inconvenience management; Also have and build simply, but thickening effect is undesirable, the concentrated rear higher sludge volume that causes of moisture percentage in sewage sludge is huge, and follow-up mud conveying and press filteration system occupation area of equipment are large, and acquisition cost is high.As conventional gravity concentration tank, technique is simply effective, but the residence time may produce stink when longer, and be not applicable to all mud.Moisture percentage in sewage sludge 97%-98% after concentrated, concentrated rear sludge volume is still huge, and size and floor space that this has just increased subsequent delivery machine press filteration system, cause equipment purchasing cost high, and dewatering performance of sludge is lower, and dewatering time is long.
Summary of the invention
The purpose of this utility model is: a kind of rotary sludge thicking dewatering equipment is provided, is intended to dwindle thickened sludge delivered volume and follow-up press filteration system size and floor space after press filtration, reduce the acquisition cost in concentrated and filter-press dehydration stage of mud; After concentrated, moisture percentage in sewage sludge is low; Dewatering performance of sludge is good; Dewatering time is short; Facilitate maintenance and inspection; And the stop long period can not produce peculiar smell yet.
The technical solution adopted in the utility model is: a kind of rotary sludge thicking dewatering equipment, comprises that device frame, speed governing drive disk assembly, support swivel bearing, rotary rotary drum, water inlet pipe, mud conveying flow deflector, mud extraction funnel, filtrate go out chute, wash tub pipe, access cover, vision slit, device sealing cover, rotary drum silk screen and frequency modulation motor;
Described device frame is low early and high after tilt frame structure, and front end is connected with dismountable access cover, and frequency modulation motor is placed in access cover inner side;
Described frequency modulation motor drives to rotary rotary drum by speed governing drive disk assembly, and speed governing drive disk assembly one end is installed on rotary rotary drum rotating shaft, and one end is installed on rotary rotary drum feed-water end; Described rotary rotary drum feed-water end is positioned at rotary rotary drum leading portion, and is connected with water inlet pipe;
Described rotary rotary drum is fixed by four support swivel bearings that are fixed on device rack inclining face, and top side is provided with wash tub pipe, and internal welding is connected to mud and carries flow deflector, and surface-welding has rotary drum silk screen; For the filtrate being connected with device frame goes out chute, outside for to go out with filtrate the device sealing cover that chute removably connects under described rotary rotary drum; Described filtrate goes out chute outside and device sealing cover rear side is all installed vision slit, and device sealing cover end mud mouth place is connected with mud extraction funnel.
Further, described wash tub pipe end is provided with Flushing nozzle, can rotate to adjust and rinse angle.
Further, described device frame horizontal tilt angle is 2 °-5 °; The axis and the horizontal angle that are the rotation of rotary rotary drum are 2 °-5 °;
Further, the gap of described rotary drum silk screen is 0.4-0.75mm.
Further, the inner mud of described rotary drum carries flow deflector width to be 80-200mm, highly to be 80-350mm.
Further, described speed governing drive disk assembly is the chain pitch wheel of frequency modulation motor transmission, and linear velocity is 0.25-0.35m/s.
Further, described water inlet pipe import is connected with dismountable flange end cap.
Further, described bottom of the drum filtrate goes out chute end and is connected with dismountable flange end cap.
The beneficial effects of the utility model are: this rotary sludge thicking dewatering equipment carries out thickening for different-grain diameter mud by the rotary drum silk screen that different wavelength width of a slit are set, by frequency modulation motor setting device rotational line speed control thickened sludge transfer rate and mud handling capacity, by to installing dirty plug wire net sectional flushing, divide the frequency to rinse and realize the heavy dirty face high frequency time that blocks up, big yield rinses, the light dirty stifled low frequency of face, the little water yield is rinsed, each parameter can be according to fluid properties, the concentrated requirement of mud is optimized combination, it is simple in structure, easy to process, energy consumption is low, effective practical, a less investment, greatly reduce concentrated rear sludge volume, reduce acquisition cost and the floor space of follow-up thickened sludge conveying and filtering equipment, after concentrated, moisture percentage in sewage sludge is low, dewatering performance of sludge is good, dewatering time is short, equipment is installed dismountable vision slit and access cover, facilitates maintenance and inspection, equipment is provided with rotatable wash tub pipe, and go out chute end water inlet pipe import and filtrate and be all connected with dismountable flange end cap, can in the time of equipment work, ensure that equipment is rinsed well and can in the time that equipment quits work, cover import and export, thereby the guarantee equipment stop long period can not produce peculiar smell yet, having high market interest is worth.
Brief description of the drawings
Fig. 1 is a kind of rotary sludge thicking dewatering equipment outside drawing;
Fig. 2 is a kind of rotary sludge thicking dewatering equipment internal structural map.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
The utility model utilizes micro chink silk screen to carry out the mechanical dehydration device of solid-liquid separation, is made up of the silk screen with certain wavelength width of a slit of a rotary drum rotating around central shaft and drum surface.Mud is flowed into by rotary drum front end water inlet pipe, evenly slowly flow to Stainless Steel Cloth in rotary drum through end flow-guiding mouth, carry out thickening filtration dehydration by silk screen, rotary drum is constantly realized non-stop run by rotating, and dewaters and rotated by the dirty stifled silk screen of mud the filtering and concentrating that rotates into next cycle to water inlet pipe mouth place after wash tub pipe rinses.The thickened sludge that is trapped within silk screen internal surface carries flow deflector to be delivered to rotary drum end mud extraction funnel with the rotation of rotary drum along the inner mud of rotary drum, thickened sludge in course of conveying because action of gravity obtains further thickening.
Concrete, as shown in Figure 1, this concentrating unit comprises the device frame 1 with certain pitch angle, device frame 1 horizontal tilt angle is 2 °-5 °; The axis and the horizontal angle that are the rotation of rotary rotary drum are 2 °-5 °.Device frame 1 front end is connected with the access cover 10 that dismountable easy access is safeguarded, equipment in device is convenient to routine preventive maintenance and safeguards.Device frame 1 is connected with bottom of the drum filtrate and goes out chute 8, and filtrate goes out chute 8 ends and is connected with dismountable flange end cap, covers filtrate and go out chute mouth while facilitating device to quit work.Filtrate goes out chute 8 outsides and is provided with and can, for the vision slit 11 of observing sampling, be convenient in device operational process, filtrate be gone out observation and the sampling of stream mode and filtrate water quality condition.Filtrate goes out chute 8 tops and is removably connected with device sealing cover 12, and in anti-locking apparatus operational process, mud and wash-down water splash and cause Working environment dirty and messy.Sealing cover 12 mud mouth ends are connected with rotary drum end mud extraction funnel 7, and device feed-water end is connected with rotary drum leading portion water inlet pipe 5.Water inlet pipe 5 imports are connected with dismountable flange end cap, cover import while facilitating device to quit work.Rotary drum feed-water end is provided with speed governing drive disk assembly 2, can regulate linear velocity to reach design requirements for the rate of recovery and sludge quality, and linear velocity is 0.25-0.35m/s.Device top side is provided with wash tub pipe 9, and wash tub pipe 9 ends are provided with Flushing nozzle, can rotate to adjust and rinse angle, and segmentation, point frequency washout plug plug wire side, reach the mud efficient concentration object of operation continuously.
As shown in Figure 2, this device frequency modulation motor 14 drives to rotary rotary drum 4 by speed governing drive disk assembly 2, and described speed governing drive disk assembly 2 is the chain pitch wheel of frequency modulation motor 14 transmissions.Rotary rotary drum 4 rotation bottoms are provided with support swivel bearing 3, and 3 load-bearing of support swivel bearing reduce rotary rotary drum 4 rotational resistances simultaneously.Rotary rotary drum 4 surface-welding have the rotary drum silk screen 13 with certain gap rate, and wavelength width of a slit can require to be set to 0.4-0.75mm according to actual motion.Rotary rotary drum 4 internal weldings are connected to the inner mud of the concentrated transfer member rotary drum of thickened sludge and carry flow deflector 6, width 80-200mm, height 80-350mm.Mud enters after rotary rotary drum 4, filtrate goes out chute 8 through bottom of the drum filtrate and flows out, thickened sludge carries flow deflector 6 to be transported to forward rotary drum end mud extraction funnel 7 along the inner mud of rotary drum, reaches the concentrated requirement of final mud in course of conveying after further concentrating.
Although the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Under the utility model, in technical field, have and conventionally know the knowledgeable, not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is when being as the criterion depending on claims person of defining.

Claims (8)

1. a rotary sludge thicking dewatering equipment, is characterized in that comprising that device frame (1), speed governing drive disk assembly (2), support swivel bearing (3), rotary rotary drum (4), water inlet pipe (5), mud conveying flow deflector (6), mud extraction funnel (7), filtrate go out chute (8), wash tub pipe (9), access cover (10), vision slit (11), device sealing cover (12), rotary drum silk screen (13) and frequency modulation motor (14);
Described device frame (1) is low early and high after tilt frame structure, and front end is connected with dismountable access cover (10), and frequency modulation motor (14) is placed in access cover (10) inner side;
Described frequency modulation motor (14) drives to rotary rotary drum (4) by speed governing drive disk assembly (2), and speed governing drive disk assembly (2) one end is installed on rotary rotary drum (4) rotating shaft, and one end is installed on rotary rotary drum (4) feed-water end; Described rotary rotary drum (4) feed-water end is positioned at rotary rotary drum (4) leading portion, and is connected with water inlet pipe (5);
Described rotary rotary drum (4) is fixed by four the support swivel bearings (3) that are fixed on device frame (1) scarp, top side is provided with wash tub pipe (9), internal welding is connected to mud and carries flow deflector (6), and surface-welding has rotary drum silk screen (13); For the filtrate being connected with device frame (1) goes out chute (8), outside for to go out with filtrate the device sealing cover (12) that chute (8) removably connects under described rotary rotary drum (4); Described filtrate goes out chute (8) outside and device sealing cover (12) rear side is all installed vision slit (11), and device sealing cover (12) end mud mouth place is connected with mud extraction funnel (7).
2. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that described wash tub pipe (9) end is provided with Flushing nozzle, can rotate to adjust and rinse angle.
3. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that described device frame (1) horizontal tilt angle is 2 °-5 °.
4. rotary sludge thicking dewatering equipment according to claim 1, the gap that it is characterized in that described rotary drum silk screen (13) is 0.4-0.75mm.
5. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that the inner mud of described rotary drum carries flow deflector (6) width to be 80-200mm, highly to be 80-350mm.
6. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that the chain pitch wheel that described speed governing drive disk assembly (2) is frequency modulation motor (14) transmission, and linear velocity is 0.25-0.35m/s.
7. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that described water inlet pipe (5) import is connected with dismountable flange end cap.
8. rotary sludge thicking dewatering equipment according to claim 1, is characterized in that described bottom of the drum filtrate goes out chute (8) end and is connected with dismountable flange end cap.
CN201320830844.XU 2013-12-16 2013-12-16 Rotary sludge thickening and dehydrating device Withdrawn - After Issue CN203683341U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320830844.XU CN203683341U (en) 2013-12-16 2013-12-16 Rotary sludge thickening and dehydrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320830844.XU CN203683341U (en) 2013-12-16 2013-12-16 Rotary sludge thickening and dehydrating device

Publications (1)

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CN203683341U true CN203683341U (en) 2014-07-02

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693836A (en) * 2013-12-16 2014-04-02 南京中电环保股份有限公司 Sludge treatment method and device
CN104258621A (en) * 2014-09-30 2015-01-07 江苏中宜生态土研究院有限公司 Multi-layer rolling and pressing filter belt type deep sludge dehydrator
CN105771381A (en) * 2016-03-05 2016-07-20 杭州骄航环保科技有限公司 River sludge filter device
CN105923959A (en) * 2016-04-13 2016-09-07 江苏菲力环保工程有限公司 Power device for rotating fermentation rotary drum for aerobic composting
CN107183774A (en) * 2017-07-11 2017-09-22 唐山天和环保科技股份有限公司 One grows tobacco materials liquid separating and dehydrating device and separating and dehydrating method
CN108384958A (en) * 2018-04-28 2018-08-10 江苏新春兴再生资源有限责任公司 A kind of filter press water detaches the separator and method of copper piece terminal in lead ash
CN112047598A (en) * 2020-09-24 2020-12-08 精艺裘皮制品股份有限公司 Fur processing sludge treatment device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693836A (en) * 2013-12-16 2014-04-02 南京中电环保股份有限公司 Sludge treatment method and device
CN103693836B (en) * 2013-12-16 2015-01-21 南京中电环保股份有限公司 Sludge treatment method and device
CN104258621A (en) * 2014-09-30 2015-01-07 江苏中宜生态土研究院有限公司 Multi-layer rolling and pressing filter belt type deep sludge dehydrator
CN104258621B (en) * 2014-09-30 2016-01-06 江苏中宜生态土研究院有限公司 Multilayer volume press filtration belt deep sludge dehydrator
CN105771381A (en) * 2016-03-05 2016-07-20 杭州骄航环保科技有限公司 River sludge filter device
CN105923959A (en) * 2016-04-13 2016-09-07 江苏菲力环保工程有限公司 Power device for rotating fermentation rotary drum for aerobic composting
CN107183774A (en) * 2017-07-11 2017-09-22 唐山天和环保科技股份有限公司 One grows tobacco materials liquid separating and dehydrating device and separating and dehydrating method
CN108384958A (en) * 2018-04-28 2018-08-10 江苏新春兴再生资源有限责任公司 A kind of filter press water detaches the separator and method of copper piece terminal in lead ash
CN112047598A (en) * 2020-09-24 2020-12-08 精艺裘皮制品股份有限公司 Fur processing sludge treatment device

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AV01 Patent right actively abandoned

Granted publication date: 20140702

Effective date of abandoning: 20150121

RGAV Abandon patent right to avoid regrant