CN201473432U - Gravity type sludge dewatering apparatus - Google Patents

Gravity type sludge dewatering apparatus Download PDF

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Publication number
CN201473432U
CN201473432U CN2009202337724U CN200920233772U CN201473432U CN 201473432 U CN201473432 U CN 201473432U CN 2009202337724 U CN2009202337724 U CN 2009202337724U CN 200920233772 U CN200920233772 U CN 200920233772U CN 201473432 U CN201473432 U CN 201473432U
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China
Prior art keywords
water
gravity type
type sludge
filter cloth
housing
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Expired - Lifetime
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CN2009202337724U
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Chinese (zh)
Inventor
苏介平
周顺明
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Jiangsu Bada Science & Technology Co Ltd
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Jiangsu Bada Science & Technology Co Ltd
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Priority to CN2009202337724U priority Critical patent/CN201473432U/en
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Abstract

The utility model discloses a gravity type sludge dewatering apparatus, comprises a casing; a water intake pipe is disposed above the casing; a water drain tube and a sludge drain tube are disposed under the casing; a dewatering device is connected inside the casing form top to bottom to divide the inner cavity of the casing into a water purifying region and a mixing region; a mixing and distributing cylinder with a round section in communication with the water intake pipe, a first water retaining plate and a second water retaining plate are disposed inside the mixing region from up down; the sludge drain tube is in communication with the bottom end of the mixing region; a water collecting bucket is disposed in the water purifying region; the water drain tube is in communication with the bottom end of the water collecting bucket; the water intake pipe is in communication with the mixing and distributing cylinder; water distributing holes are formed on the mixing and distributing cylinder; the first and the second water retaining plate are disposed under the mixing and distributing cylinder, while inclining downwards opposite the dewatering apparatus. The apparatus of the utility model needs no power device in whole dewatering process, can drain out the water in sludge by the gravity of water and the permeation of filtering cloth; and can achieve a high sludge dewatering efficiency; and can achieve the filtered cake liquid content of 80-85% and the sludge recovery rate above 90%.

Description

Gravity type sludge dehydration device
Technical field
The utility model discloses a kind of water treatment device, particularly a kind of gravity type sludge dehydration device.
Background technology
Development along with the Environmental Protection in China cause, sludge dewatering equipment has been widely used in all kinds of sewage disposals place at environmental protection industry (epi), its principal mode roughly can be divided into plate and frame, band filter formula, the centrifugal several types that waits, moisture percentage in sewage sludge after dehydration is generally between 70%~85%, relative its manufacturing cost, running cost and operational requirement are all higher, all there are various relative merits during operation, weak point mainly shows the following aspects: plate and frame(type)filter press: adopting pressurizes intakes (〉=0.5Mpa), the operation of filter cloth filter type, the water inlet mud containing rate does not have particular requirement, and dehydrating effect is (moisture percentage in sewage sludge is generally 70~75%) better; But it is higher relatively owing to intake pressure in operational process, filter cloth is damaged easily, and must wash filter cloth and filter plate after the operation, and operation is trouble comparatively, water inlet compression system and the operation of filter plate sheet frame pressing system are also more loaded down with trivial details, and the control to pressure during operation is had relatively high expectations.The filter plate pressing system adopts the machinery pressurization, needs consumption of power.Floor space is bigger, and apparatus cost is higher.Belt filter press: adopt the operation of filter cloth filter type, the water inlet mud containing rate is had relatively high expectations, and need carry out just carrying out after mud concentrates press filtration (it is 95~96% that the water inlet moisture percentage in sewage sludge requires), dehydrating effect general (moisture percentage in sewage sludge is generally 80~85%); In operational process, intake pressure is not had particular requirement, but when operation do back and forth rotation because machinery drives filter cloth, sideslip very easily requires high to the control of filter cloth.And needing to consume a large amount of clear water after the filter cloth operation cleans.Strainer pressing system, filter cloth washing system, all dynamic consumption of strainer deviation-rectifying system.Floor space is bigger, and apparatus cost is higher.Centrifugal sludge dewatering equipment: adopt the rotating centrifugal effect, sludge water drying mode is moved, the water inlet mud containing rate is had relatively high expectations (it is 95~96% that the water inlet moisture percentage in sewage sludge requires), and dehydrating effect is (moisture percentage in sewage sludge is generally 70~80%) better; In operational process, intake pressure is not had particular requirement, but when operation because rotating cylinder needs high speed rotating, power consumption is very big.And because the high speed rotating of device is high to the making accuracy requirement of device.Domestic centrifugal sludge dewatering equipment half commonly used is an inlet device at present, and construction costs is high, and the operation control process is also very complicated, though floor space is less relatively, the cost performance of device is relatively poor relatively.
Summary of the invention
Goal of the invention: technical problem to be solved in the utility model is at the deficiencies in the prior art, provides a kind of and makes sludge dewatering realize oversimplifying, the gravity type sludge dehydration device of the no energy consumption of operation.
Technical scheme: the utility model discloses a kind of gravity type sludge dehydration device, comprise housing, above housing, be provided with water inlet pipe, the below is provided with water shoot and shore pipe, there is a dewatering unit to connect the housing inner top to the bottom, the housing inner chamber is divided into clean water area and mixing zone, is provided with the cross section that is communicated with water inlet pipe in the mixing zone from top to bottom and is circular mixed allocation tube, first water eliminator, second water eliminator, shore pipe is communicated with the lower end, mixing zone; Be provided with drip pan in the clean water area, water shoot is communicated with the drip pan lower end; Described water inlet pipe is communicated with the mixed allocation tube, and the mixed allocation tube is provided with water distributing pore, and described first water eliminator, second water eliminator are disposed on mixed allocation tube below and downward-sloping relative with dewatering unit.Utilize the elasticity of rubber (or medium-soft plastics), water eliminator is set on dewatering unit, make current can not be flowed directly to the bottom, and stop that mud stops on top, reach the purpose of further draining, dehydration.After mud reaches certain quality, under the dual function of gravity and sluicing, very easily slip into the bottom simultaneously again, enter the shore pipe discharger, do not cause obstruction and in device, be not detained.
In the utility model, described water inlet pipe is vertical with the housing upper surface and be positioned at the tangential direction of mixed allocation tube.Be to adopt tangent line water inlet form, the mud after the dosing has been strengthened the dosing coagulation effect at the inner eddy flow that forms of mixed allocation tube, and the combination of mud flocculation particulate is more closely knit, the mud more dehydration.
In the utility model, described mixed allocation tube is provided with outward extending water outlet flow deflector.Mud mixing drum effluent adopting flow deflector plays the uniform purpose of water distribution.
In the utility model, described dewatering unit is a filter cloth, and described filter cloth is streamline shape serpentine from top to bottom, and described filter cloth middle part is provided with draining board, and described drip pan is positioned at the draining board below.Adopt elasticity band steel steel plate or spring steel skeleton construction preferably around the filter cloth, make through operations such as processing, moulding, tensions.Water in the mud (or high turbidity dirty waste water) is under action of gravity, and the infiltration by filter cloth is gone out by drop, will be after the another side that flow to filter cloth is stopped by draining board directly to dirty on draining board, compile direct discharger behind the drip pan that flows into the bottom.Mud granule is then held back by filter cloth, thus reach sludge dewatering purpose.
In the utility model, described housing both sides are provided with the angle demodulator that is connected with filter cloth, and described angle demodulator comprises adjusting screw(rod), first setting nut, second setting nut and the fixed block of fixedlying connected with described housing; Described adjusting screw(rod) one end is connected with the middle part of described dewatering unit, and the other end passes first setting nut, fixed block and second setting nut successively.Screw rod regulative mode in the utility model: the screw rod tension is made filter cloth support and filter cloth angular bend, increase the residence time of mud on filter cloth; Otherwise screw rod loosened making filter cloth support and filter cloth angle become straight, mud residence time on filter cloth shortens, and easier landing.From regulating the angle and the elasticity of streamlining dehydration filter cloth, regulate the mud residence time of muddy water on filter cloth, make more that the sludge water drop goes out.
In the utility model, preferably, position corresponding with described adjusting screw(rod) on the described housing is provided with chute.
In the utility model, described shore pipe below is provided with the splashproof shirt rim.The splashproof shirt rim that the mud discharging mouth bottom adopts canvas to make, and adopt trapezoidal bucket-shaped setting, make mud discharging mouth concentrated relatively, and shortened the relative distance of mud discharging mouth with the device that grafts clay, prevent to produce splash when mud from falling, be convenient to collect.
Beneficial effect: this device has the following advantages: realize that 1, body apparatus is unpowered, whole dehydration need not power set and drives, and the run by gravity of its dehydration dependence water and the osmosis drop of filter cloth go out the water in the mud.And sludge dewatering efficient height, filter cake liquid holdup 80~85%, the mud rate of recovery>90%.Apparatus structure is simple, because non-power consumption, so noiselessness in service, vibrations, wearing and tearing safeguard that simply maintenance cost is low.Realize unattendedly, saved the labor force.2, wide accommodation both can be used for handling high silt content sludge dewatering, was fit to again simultaneously handle the relatively low waste water of sludge concentration, promptly can be used for the central pre-treatment of sewage disposal, removed the particulate state suspended impurity in the sewage.Device is inner to be provided with the coagulation section according to hydrocyclone mixings coagulation mode, makes sludge water at the inner coagulation of device, increases flocculating effect, improves dewatering efficiency, realization coagulation, dewatering integrated purpose.3, rely on mud to pile up the action of gravity of back self, and filter cloth remains under the prerequisite that water washes away always, realize that the oneself cleans automatic mud removing, water saving.And do not have mud and be deposited in the interior phenomenon of device.4, the dehydrating effect of mud relies on the angle of regulating filter cloth, increases, subtracts the accumulating amount of mud, increases, subtracts the residence time of mud on filter cloth simultaneously, realizes the effect of sludge dewatering.And device is full-closed structure, and no foul smell in service and sewage directly discharge, so do not produce secondary pollution.5, this device can be realized directly advancing mud and handles, and need not mud collecting tank or concentration basin are set separately, has significantly reduced project scale, has saved investment cost.6, this device Application Areas is extensive: be applicable to the sludge dewatering of industries such as environmental protection, papermaking, food; Be particularly useful for the sludge dewatering of civilian small-sized, subminiature sewage disposal project, filled up the blank of China's unpowered sludge dehydration machine.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further to specify, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Fig. 1 is a device described in the utility model side structural representation.
Fig. 2 is a device Facad structure synoptic diagram described in the utility model.
Fig. 3 is a device top surface structure synoptic diagram described in the utility model.
Fig. 4 is the utility model angle demodulator part-structure synoptic diagram.
Embodiment:
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model discloses a kind of gravity type sludge dehydration device, comprise housing 1, be provided with water inlet pipe 2 above housing, the below is provided with water shoot 13 and shore pipe 9, has a dewatering unit 5 to connect the housing inner top to the bottom, housing 1 inner chamber is divided into clean water area and mixing zone, be provided with the cross section that is communicated with water inlet pipe 2 in the mixing zone from top to bottom and be circular mixed allocation tube 3, the first water eliminators 7, second water eliminator 14, shore pipe 9 is communicated with the lower end, mixing zone; Be provided with drip pan 8 in the clean water area, water shoot 13 is communicated with drip pan 8 lower ends; Described water inlet pipe 2 is communicated with mixed allocation tube 3, and mixed allocation tube 3 is provided with water distributing pore 4, and described first water eliminator 7, second water eliminator 14 are disposed on mixed allocation tube 3 belows and downward-sloping relative with dewatering unit 5.Described water inlet pipe 13 is vertical with housing 1 upper surface and be positioned at the tangential direction of mixed allocation tube 3.Described mixed allocation tube 3 is provided with outward extending water outlet flow deflector 15.Described dewatering unit 5 is a filter cloth.Described filter cloth is streamline shape serpentine from top to bottom.Described filter cloth middle part is provided with draining board 11, and described drip pan 8 is positioned at the draining board below.Described housing 1 both sides are provided with the angle demodulator 6 that is connected with filter cloth 5.As shown in Figure 4, described angle demodulator comprises adjusting screw(rod) 12, first setting nut 13, second setting nut 14 and the fixed block 15 of fixedlying connected with described housing 1; Described adjusting screw(rod) one end is that the mid-way is connected with the middle part of described dewatering unit, and the other end passes first setting nut, fixed block and second setting nut successively.The axle 12a of the inner core of the end that adjusting screw(rod) 12 is connected with the framework of described filter cloth 5 for being connected with the framework of filter cloth, the outer ring is adjusting screw(rod) axle sleeve 12b, the other end of adjusting screw(rod) 12 is threaded portion 12c, the synoptic diagram that dotted portion is among the figure, first setting nut 13 and second setting nut 14 can the shift positions.
When the utility model is implemented, by rotating first setting nut 13 and second setting nut 14, thereby regulating and controlling screw rod 12 1 ends stretch out the distance that is fixed on the fixed block on the housing, thereby make the filter cloth support by the tension of the adjusting screw(rod) the other end, make and angular bend increase the residence time of mud on filter cloth; Otherwise adjusting screw(rod) loosened making filter cloth support and filter cloth angle become straight, mud residence time on filter cloth shortens, and easier landing.
Described fixed block can be band iron.Position corresponding with described adjusting screw(rod) on the described housing 1 is provided with chute 16, is convenient to adjusting screw(rod) and slides.Described shore pipe 9 belows are provided with splashproof shirt rim 10.
During the operation of this device, tangent line enters the gravity type boat davit unpowered sludge dehydration device to mud muddy water through lifting and after adding flocculation agent, in the mixed allocation tube after waterpower rotation mixes, rely on run by gravity, be evenly distributed on the filter cloth by the streamlining frame supported by water distribution system, penetration by water filter cloth in the mud is gone out by drop, mud granule is held back by filter cloth, rely on dual function slowly trickling downwards of action of gravity and water inlet current along the filter cloth surface, mud is by secondary or hold back for three times when through the gravity water eliminator, and moisture in the mud will be under action of gravity be gone out by further drop.Because water eliminator is to be made by the medium-soft material, when the mud that stops when the gravity water eliminator reaches certainweight, water eliminator just will be bent, and mud finally reaches the purpose of dehydration by being trickled by the slit between the water eliminator of bending and the filter cloth downwards.The water that the filter cloth back side is gone out by drop relies on action of gravity to trickle downwards, thereby will be stopped by draining board after draining board directly splashes into collection bucket downwards when arriving nearest draining board and compile discharge.
Gravity type sludge dehydration device described in the utility model is entirely the gravity type boat davit dehydration, need not power and drives i.e. energy free consumption.Macrobead (as stone and branch leaf) or fibrous mud are adapted to fully, and need not to be equipped with the mud comminutor unit again, device case is a full-closed structure, no foul smell is discharged, adopt the stainless steel channel-section steel in conjunction with stainless steel plate, materials used is simple and easy, and it is less relatively to make consumptive material.And the single unit system floor space of comparing with other sludge dewatering equipment is very little, and operating weight is also lighter, and device basic is not had particular requirement yet.
The utility model provides a kind of thinking and method of gravity type sludge dehydration device; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each component part not clear and definite in the present embodiment is realized.

Claims (9)

1. gravity type sludge dehydration device, comprise housing (1), it is characterized in that, above housing, be provided with water inlet pipe (2), the below is provided with water shoot (13) and shore pipe (9), there is a dewatering unit (5) to connect the housing inner top to the bottom, housing (1) inner chamber is divided into clean water area and mixing zone, be provided with the cross section that is communicated with water inlet pipe (2) in the mixing zone from top to bottom and be circular mixed allocation tube (3), first water eliminator (7), second water eliminator (14), shore pipe (9) is communicated with the lower end, mixing zone; Be provided with drip pan (8) in the clean water area, water shoot (13) is communicated with drip pan (8) lower end; Described water inlet pipe (2) is communicated with mixed allocation tube (3), and mixed allocation tube (3) is provided with water distributing pore (4), and described first water eliminator (7), second water eliminator (14) are disposed on mixed allocation tube (3) below and downward-sloping relative with dewatering unit (5).
2. gravity type sludge dehydration device according to claim 1 is characterized in that, described water inlet pipe (13) is vertical with housing (1) upper surface and be positioned at the tangential direction of mixed allocation tube (3).
3. gravity type sludge dehydration device according to claim 1 and 2 is characterized in that, described mixed allocation tube (3) is provided with outward extending water outlet flow deflector (15).
4. gravity type sludge dehydration device according to claim 1 is characterized in that, described dewatering unit (5) is a filter cloth.
5. gravity type sludge dehydration device according to claim 4 is characterized in that, described filter cloth is streamline shape serpentine from top to bottom
6. according to claim 4 or 5 described gravity type sludge dehydration devices, it is characterized in that described filter cloth middle part is provided with draining board (11), described drip pan (8) is positioned at the draining board below.
7. gravity type sludge dehydration device according to claim 1, it is characterized in that, described housing (1) both sides are provided with the angle demodulator (6) that is connected with filter cloth (5), and described angle demodulator comprises adjusting screw(rod) (12), first setting nut (13), second setting nut (14) and the fixed block (15) of fixedlying connected with described housing (1); Described adjusting screw(rod) one end is connected with the middle part of described dewatering unit, and the other end passes first setting nut, fixed block and second setting nut successively.
8. gravity type sludge dehydration device according to claim 7 is characterized in that, described housing (1) is gone up the position corresponding with described adjusting screw(rod) and is provided with chute (16).
9. gravity type sludge dehydration device according to claim 1 is characterized in that, described shore pipe (9) below is provided with splashproof shirt rim (10).
CN2009202337724U 2009-07-30 2009-07-30 Gravity type sludge dewatering apparatus Expired - Lifetime CN201473432U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202337724U CN201473432U (en) 2009-07-30 2009-07-30 Gravity type sludge dewatering apparatus

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Application Number Priority Date Filing Date Title
CN2009202337724U CN201473432U (en) 2009-07-30 2009-07-30 Gravity type sludge dewatering apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613172B (en) * 2009-07-30 2011-09-07 江苏八达科技有限公司 Gravity type sludge dehydration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613172B (en) * 2009-07-30 2011-09-07 江苏八达科技有限公司 Gravity type sludge dehydration device

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AV01 Patent right actively abandoned

Granted publication date: 20100519

Effective date of abandoning: 20090730