CN108654165A - Filter device and sludge condensation and modifying device and method using it - Google Patents
Filter device and sludge condensation and modifying device and method using it Download PDFInfo
- Publication number
- CN108654165A CN108654165A CN201710208935.2A CN201710208935A CN108654165A CN 108654165 A CN108654165 A CN 108654165A CN 201710208935 A CN201710208935 A CN 201710208935A CN 108654165 A CN108654165 A CN 108654165A
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- Prior art keywords
- sludge
- filter
- mud
- storage device
- additive
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- 239000010802 sludge Substances 0.000 title claims abstract description 270
- 238000009833 condensation Methods 0.000 title claims abstract description 53
- 230000005494 condensation Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000000712 assembly Effects 0.000 claims abstract description 46
- 238000000429 assembly Methods 0.000 claims abstract description 46
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims description 68
- 230000000996 additive effect Effects 0.000 claims description 67
- 238000003860 storage Methods 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 36
- 238000007667 floating Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000008187 granular material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005138 cryopreservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/19—Supported filter elements arranged for inward flow filtration on solid frames with surface grooves or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of filter device for being filtered to the excess sludge from sewage plant and use its sludge condensation and modifying device and method.Filter device includes：Support plate includes at least one plate hole in the support plate；Filter assemblies, the filter assemblies are arranged in correspondence at least one plate hole of the support plate, and include：Fixing piece, the fixing piece are used for filter assemblies engagement at the plate hole of the support plate；Cage, the cage include a plurality of filter grid, and the one end of each is fixedly attached to the fixing piece in a plurality of filter grid, and the other end is connected to each other；Filter screen, the filter screen are fixed to the cage and surround the cage.In addition, additionally providing a kind of sludge condensation and modifying device using this filter device, and provide a kind of method handled sludge using the sludge condensation and modifying device.
Description
Technical field
The present invention relates to a kind of filter devices, and in particular, to a kind of be used in carries out concentration and quenched sludge to sludge
Filter device in concentration and modifying device.The invention further relates to the sludge condensation and modifying device that use the filter device, with
And relate to the use of the method that the sludge condensation and modifying device carry out concentration and modifier treatment to sludge.
Background technology
When sewage plant treated sewage, a large amount of sludge will produce.The moisture content of these sludge is very high, generally 99.2% ~
99.6%, containing a large amount of organic principle, and substantially it is in colloidal.In general, such sludge is referred to as excess sludge.To aqueous
The high this excess sludge of rate is transported and is stored all extremely difficult, and the high excess sludge volume of this moisture content is also led to
It is often larger, therefore will produce expensive transport and expense.So usually such excess sludge be required for by sludge condensation come
The moisture content for reducing excess sludge, reduces the volume of excess sludge, on the one hand reduce the transport and storage of excess sludge
Expense is deposited, is on the other hand convenient for carrying out subsequent working process to excess sludge.In the prior art, generally by gravity concentration
Method, Bubble-floating Method and centrifugal concentrating method concentrate sludge.
Gravity concentration method is that sludge is transported to sludge concentration tank, makes sludge settling to pond by way of natural subsidence
Bottom, and supernatant is correspondingly discharged.It is extremely grown however, this gravity concentration method using natural subsidence takes, generally requires length
Sedimentation separation can be completed up to 10 hours or more times.In addition, long time-consuming and the sludge formation for being deposited in bottom of pond is caused to be detested
Discharge standard is not achieved to cause dewatered P content in sludge higher in oxygen environment.In Chinese utility model patent
A kind of sludge concentration tank is proposed in CN205011601U, by being aerated and stirring the contact to increase sludge with oxygen, from
And reduce the release of phosphorus in sludge.But the effect due to being aerated and stirring so that sludge is more difficult to through natural subsidence
Mode concentrates and supernatant is accordingly discharged.Therefore, although the program reduces the release of phosphorus in sludge, but causes sludge dense
The contracting time is elongated, and efficiency is lower, and the moisture percentage in sewage sludge after concentration is also higher.
Bubble-floating Method and gravity concentration method are on the contrary, be so that mud granule is enclosed micro air bubble and float up to the water surface, then with scraping
Plate scrapes thickened sludge into mud drainage slot, and sludge water is then flowed out from bottom of pond.However, this method equally exists time-consuming longer problem.
It is required in addition, this method has mud granule degree, that is, mud granule degree cannot be too big, and bubble, which is otherwise difficult to be utilized, makes dirt
Mud floats.And centrifugal concentrating rule needs carry out in the Centrifugal concentrators being specifically manufactured, not using solid, liquid proportion in sludge
Together, there are different tendency to drift aways, muddy water is thus detached, to achieve the purpose that concentration.However, centrifugal concentrating method needs to use
Complicated and expensive special equipment, thus higher expense can be caused.
In addition, in order to which processing is effectively performed in the excess sludge high to moisture content, in addition to carrying out concentrating it to excess sludge
Outside, it is also necessary to it is quenched to excess sludge progress for the characteristic of sludge, in order to processing such as subsequent mechanical dehydration and desiccation.This
It is because excess sludge has very strong hydrophily, the binding force of moisture and mud granule in excess sludge is also very strong.It is logical
Cross input doping, thus it is possible to vary the property of excess sludge destroys the structure of excess sludge colloid, reduces affine with water
Power, so as to improve the dewatering of excess sludge.However, in the prior art, concentration is being carried out to excess sludge
Equipment in all do not have and carry out quenched function to sludge for the characteristic of excess sludge.After this has severely impacted sludge
Continuous processing, results in the decline of sludge treatment capacity, increases production cost；Meanwhile thickening efficiency can be greatlyd improve and contracted
Short concentration time obtains unexpected effect.
In order to which processing is effectively performed in the sludge high to moisture content, filter device is a very important component, both
Need that there is higher intensity, to resist the pressure and impact force of sludge application, it is also necessary to there is sufficiently large filter area, with
Just filter efficiency is improved, the time needed for concentration process is reduced.
Therefore, it in the field handled sludge, there has long been a desire for that be capable of providing a kind of filter device, disclosure satisfy that
Above-mentioned requirements in sludge handling process；In addition, also it is desirable to be capable of providing a kind of device, sludge can be concentrated and be adjusted
Matter, and floor space is small, processing time is short, thickening efficiency are high, simple in structure, easy to clean.
Invention content
Above-mentioned target through the invention in propose filter device, the sludge condensation comprising the filter device and quenched dress
It sets and is met come the method for carrying out concentration and modifier treatment to sludge using the sludge condensation and modifying device.
The present invention proposes a kind of filter device comprising：Support plate includes at least one plate hole in the support plate；
Filter assemblies, the filter assemblies are arranged in correspondence at least one plate hole of the support plate, and include：Cage, institute
It includes fixing piece and a plurality of filter grid to state cage, and the fixing piece is used for the plate of filter assemblies engagement to the support plate
At hole, the one end of each is fixedly attached to the fixing piece in a plurality of filter grid, and the other end is connected to each other；Filtering
Net, the filter screen are fixed to the cage and surround the cage.
In yet another embodiment of the present invention, at least one plate hole of support plate is on the supporting plate by regularly or not
It is regularly arranged.In yet another embodiment of the present invention, at least one plate hole of support plate is round, triangle or more
Side shape.In yet another embodiment of the present invention, support plate is flat plate.In yet another embodiment of the present invention, it supports
The shape of convex shape or reclinate concave shape or dipping and heaving bending of the plate with upward arching.In this hair
In another bright embodiment, filter screen includes net circle and spacer screen, and the net circle and spacer screen are connected to each other, to surround institute jointly
State cage.In yet another embodiment of the present invention, the filter screen is single type.In another embodiment of the present invention
In, cage further includes at least one reinforcing ring, and the middle position in a plurality of filter grid is arranged at least one reinforcing ring, and
And the connection a plurality of filter grid.In yet another embodiment of the present invention, a plurality of filtering gate length can according to shale difference and
Concentration is required and is adjusted, and can pass through the filter assemblies of replacement different length according to concentration needs for the sludge of different situations.
In yet another embodiment of the present invention, filter assemblies further include drum ladle, and the drum ladle includes combining
Cover, cylinder and bottom plate together, the cover has flange, and is provided with liquid outlet at the center of the cover,
The other end opposite with the one end for being fixedly attached to the fixing piece of each in a plurality of filter grid is connected to institute
State the flange of cover, at least one opening be provided in the bottom plate, floating ball is provided in the drum ladle, so as to containing
The sludge of liquid is risen by the sludge after at least one opening on the bottom plate enters the drum ladle and drives floating ball
Rise, so as to close the liquid outlet in the cover.In yet another embodiment of the present invention, cover is spherical cap shape.
It should be pointed out that filter device according to the present invention is mainly used for at the excess sludge of sewage plant
In the sludge condensation and modifying device of reason.
The invention also provides a kind of sludge condensation and modifying devices comprising foregoing filter device, and also
Including：Storage device for receiving and accommodating sludge, the storage device include main body and lid, and main body and lid together form storage
Cryopreservation device for receiving and accommodate the inner space of sludge, be provided with mud mouth and overflow port in main body, mud mouth be used for from
It is discharged sludge in the storage device, overflow port is located above the mud mouth, is generated during sludge condensation for being discharged
Filtrate；Filter device be arranged in storage device, positioned at mud mouth and overflow port between, be used for the sludge in storage device into
Row filtering, is separated by solid-liquid separation with realizing；It is used to sludge being transported in storage device from below filter device into mud device；Addition
Agent feeder unit below filter device for delivering additive in storage device, to be mixed with sludge；Mud extraction fills
It sets and is connected to mud mouth, for concentrated and quenched sludge to be discharged from storage device.
In yet another embodiment of the present invention, the main body of storage device is the storage formed by the recessed area on ground
Pond, reservoir include reservoir wall and bottom, and mud mouth and overflow port are located on reservoir wall.In yet another embodiment of the present invention,
The main body of storage device is provided in the container on ground comprising the side wall and bottom, mud mouth and overflow port that shell is formed
On side wall.In yet another embodiment of the present invention, the main body of storage device is provided in the container on ground comprising
The side wall and bottom, mud mouth that shell is formed are located at bottom, and overflow port is located on side wall.In another embodiment of the present invention
In, storage device further includes mud inlet, and mud inlet is located at below filter device, and on the side wall of main body or bottom, into mud
Device is connected to mud inlet, to convey sludge from the lower section of the filter device.
In yet another embodiment of the present invention, include enters mud pipe into mud device, enters mud pipe is in storage device along master
The side wall of body extends to below filter device from top to bottom, to convey sludge from the lower section of filter device.The present invention's
In another embodiment, the lid in storage device may also include gas outlet, the gas for being discharged in storage device.In the present invention
Another embodiment in, storage device further includes additive entrance, and additive entrance is located at below filter device, additive
Feeder unit is connected to additive entrance, so as to from the lower section feeding additive of filter device.In another implementation of the present invention
In example, additive feeder unit includes additive pipeline, and additive pipeline extends in storage device along main body from top to bottom
To below filter device, so as to from the lower section feeding additive of filter device.
In yet another embodiment of the present invention, further include agitating device, agitating device is for the dirt in storage device
Mud is stirred, wherein the support plate of filter device includes the axis hole for being passed through for the rotation axis of agitating device.In the present invention
Another embodiment in, filter device can move up and down, to adjust the division to the inner space of storage device.In this hair
In another bright embodiment, in storage device, place adjacent thereto is equipped with pressure gauge below filter device, dense to monitor
Pressure in the sludge of contracting.In yet another embodiment of the present invention, further include the first pump into mud device, and the first pump front end or
Rear end is equipped with the mixer for additive package and sludge, for being mixed with additive to pending mud.
In addition, the invention also provides a kind of sides handled sludge using sludge condensation above-mentioned and modifying device
Method, including：Sludge is continuously supplied in the storage device into mud device using described；Sludge in the storage device
Liquid level when being more than the filter device, realized to the separation of solid and liquid of sludge, be achieved in sludge by the filter device
Concentration；After being concentrated to sludge, additive is inputted into the sludge of concentration using the additive feeder unit, so as to
It realizes to the quenched of sludge；And it after concentrating and is quenched, is discharged from the storage device using shown mud extraction device
Sludge after conditioned.
In yet another embodiment of the present invention, the sludge condensation and modifying device further include agitating device, the mistake
The support plate of filter device further includes the axis hole for being passed through for the rotation axis of the agitating device, wherein dense to sludge progress
Additive is inputted to be carried out to thickened sludge during contracting and/or using the additive feeder unit into the sludge of concentration
In quenched process, the sludge in the storage device is stirred using the agitating device.
Description of the drawings
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing, so as to the above-mentioned of the present invention
And other purposes, feature and advantage have more fully be appreciated and understood.In the accompanying drawings：
Fig. 1 shows one embodiment of sludge condensation and modifying device according to the present invention；
Fig. 2 shows the agitating devices in the sludge condensation and modifying device in Fig. 1；
Fig. 3 shows the filter device in sludge condensation and modifying device in Fig. 1；
Fig. 4 is the exploded view of the filter assemblies in the filter device in Fig. 3；
Fig. 5 is another embodiment of the cage of the filter assemblies in Fig. 4；
Fig. 6 shows the stereogram exploded view of another embodiment of filter assemblies；
Fig. 7 is the partial cross-sectional perspective view of filter assemblies shown in fig. 6；
Fig. 8 and Fig. 9 shows the filter assemblies in Fig. 6 in cut away view, in fig. 8, the floating ball in cylinder and cylinder top
The liquid outlet in portion engages, and in fig.9, the floating ball in cylinder falls back to the bottom of cylinder；
Figure 10 shows one embodiment according to the present invention for carrying out concentration and quenched method to sludge.
Specific implementation mode
It should be understood that clearly illustrate that content therein, attached drawing herein are not drawn to draw, and it is identical
Or similar reference numeral indicates same or analogous component or part.Moreover, it will be understood that described in this application any
Embodiment and the technical characteristic included by them can be bonded to each other.
As shown in Figure 1, it illustrates one embodiment of sludge condensation according to the present invention and modifying device A.Sludge is dense
Contracting and modifying device A include the storage device for receiving and temporarily storing sludge.In the embodiment show in figure 1, the storage
Device is container tank 1 comprising shell 101, bottom plate 102 and lid 103.Shell 101, bottom plate 102 and lid 103 together form this
The inner space for accommodating sludge of container tank.The container tank can be made of any suitable material, such as metal material,
Or the construction material, etc. of such as concrete etc.It is easily understood that container tank 1 can also have other any suitable
Form, such as the reservoir that is arranged in ground is recessed, correspondingly, such reservoir has reservoir wall and bottom.It is shown in Fig. 1
Embodiment in, container tank 1 is substantially cylindrical, however container tank 1 can also have other any suitable shapes as needed
Shape, such as sphere, cuboid, square etc., as long as it has the inner space that can accommodate sludge.The shell of container tank 1
The lower part of body 101 is respectively arranged with mud inlet 2 and mud mouth 3.On the top of the shell 101 of container tank 1, it is located at mud mouth 3
Top is additionally provided with overflow port 4, for the filtrate generated in sludge handling process to be discharged.Certainly, so it is easy to understand that into mud
Mouth 2, mud mouth 3 and overflow port 4 can also be arranged as required at the other positions of container tank 1, as long as making overflow port 4
Position is higher than the position of mud mouth 3, and overflow port 4 can directly be connected to the sewage disposal system of sewage plant, so as to by mistake
Filtrate direct emission.But it can also be by overflow port to sky, for gas to be discharged from the inner space of the storage device.It is such
Words, can save dedicated gas outlet.Mud inlet 2 and/or mud mouth 3 can also be arranged on the bottom plate 102 of container tank 1.Lid
Can have axis hole 105, axis hole 105 to be passed through for the rotation axis of the device of such as blender etc on 103.In addition, on lid 103
It is also provided with gas outlet 104, gas outlet 104 from the inner space of container tank 1 for being discharged gas.
Sludge condensation and modifying device A further include into mud device and mud extraction device.As shown in Figure 1, into mud device include into
Mud pipe 13 and pump 11, mud extraction device include the first control valve 10a, sludge out pipe.As needed, mud extraction device can also include corresponding
Pump.Enters mud pipe 13 is connected to mud inlet 2, and pump 11 is provided in enters mud pipe 13, can be by sludge from into mud by pump 11
Pipe 13 is pumped into via mud inlet 2 in container tank 1.It, can be with into mud device in sludge condensation and modifying device A as shown in the figure
Including valve gear 9, the valve gear 9 is used to control the feeding of sludge, and the valve gear 9 can be switch, check valve, tune
Save valve, etc..Valve gear 9 is set on into mud device, is entered in container tank 1 for preferably controlling sludge.In addition, will be into mud
Mouth 2 is arranged in the lower part of the shell 101 of container tank 1 or bottom plate 102, can also be effective in conjunction with the valve gear 9 in enters mud pipe 13
It prevents from entering in the sludge reflux to enters mud pipe 13 in container tank 1.First control valve 10a is connected to mud mouth 3, and first
Control valve 10a is also connected to sludge out pipe.By the operation of the first control valve 10a, sludge can be passed through mud extraction via mud mouth 3
Pipe is discharged from container tank 1.In addition, corresponding pump can also be arranged in sludge out pipe, will pass through the pump and the first control valve 10a
Cooperation, sludge is discharged by sludge out pipe from container tank 1 via mud mouth 3.
As shown in Figure 1, into mud device may include pump 11 right side position at be arranged mixer 12.Mixer 12 is logical
The pending mud from such as sewer catch basin can be premixed by crossing addition additive, so that pending mud is mixed with additive
It closes uniform.After being premixed, pump 11 can be started, container tank 1 or storage dress will be transported to the mixed sludge of additive
In setting.In another unshowned embodiment, mixer 12 can be arranged at the position between mud inlet 2 and pump 11.
In this case, pump 11 is opened, first pending mud is transported in mixer 12, then by being added in mixer 12
Additive, and being more fully mixed for sludge and additive is made by mixer 12.It is required when moisture percentage in sewage sludge reaches concentration
When, the feeding of additive can be stopped, sludge is pumped into container tank 1.Certainly, so it is easy to understand that mixer 12 is not
It is required.In some cases, can not also include mixer 12 into mud device.
It is additionally provided with filter device in sludge condensation and modifying device A shown in Fig. 1, for being filtered to sludge,
It is separated by solid-liquid separation to realize.Filter device is arranged in container tank 1, between overflow port 4 and mud inlet 2, close to overflow port
4.In the embodiment shown in fig. 1, filter device includes support plate 5 and filter assemblies 6.Filter screen 61 in filter assemblies 6 can
With by only limit liquid by filter cloth be made, can also be biofilm material, metallic mesh, or may by other
The material used is made.
It, can be dirty in pending residue in order to shorten concentration time and improve thickening efficiency in sludge handling process
Additive is added in mud, excess sludge by being reacted with additive, under the action of additive constantly wad a quilt with cotton by mud granule
Coagulated agglomerate.This is because mud granule repels between each other per se with negative electrical charge, along with due to aquation and in dirt
Mud particle surface adheres to water layer, further hinders the combination between mud granule so that ultimately forms a stable gluey wadding
Body.By adding additive into excess sludge, the sludge particle in excess sludge can be played electrically in and/or adsorptive racks
Bridge acts on, and to destroy the stability of sludge colloidal solid, makes between the sludge little particle of dispersion that mutually aggregation forms bulky grain.
In the case that sludge in container tank 1 has arrived at filter device, continue sludge being sent to by mud inlet 2
In container tank 1, the liquid in sludge will be by filter device, and is finally discharged by overflow port 4, and mud granule is then trapped
Below filter device, it is thus achieved that faster be separated by solid-liquid separation, concentration time is shortened.As shown in Figure 1, in the shell of container tank 1
It is provided with pressure gauge 15 on body 101, positioned at the place of 6 lower section of filter device and the neighbouring filter device 6, is concentrated for measuring
Sludge in pressure.Increase with the concentration for the sludge being concentrated, which also accordingly increases.Therefore, by measuring pressure
Size, it will be able to know the concentration profile of current sludge.When the reading of pressure gauge 15 reaches setting value, it is believed that container tank 1
In sludge have reached desired concentration, thus can close into the pump 11 in mud device, stop inputting dirt again into container tank 1
Mud completes the enrichment process to sludge.
As shown in Figure 1, sludge condensation and modifying device A further include additive feeder unit, it is used to convey additive
Into container tank 1, so that the sludge after being concentrated with completion is mixed, it is carried out quenched.In the embodiment shown in fig. 1,
Additive feeder unit includes the second control valve 10b and additive delivery pipe 18.Second control valve 10b is connected to container tank 1
Additive receiving opening 106 on shell 101, the additive receiving opening 106 are located at the lower section of filter device 6, and are located at
The top of mud mouth 3.After the sludge being transported in container tank 1 completes concentration to reach expectation concentration, the second control valve is opened
10b, to be transported to added dose of delivery pipe 18 of additive, the second control valve 10b and additive receiving opening 106 positioned at appearance
It is quenched to be carried out to the sludge after concentration in sludge in device tank 1.It is to be understood that being only schematically shown in Fig. 1
One additive delivery pipe 18.But those skilled in the art will readily recognize that, additive feeder unit can also include more than
One additive delivery pipe, so that different additives to be transported in storage device.
It is additionally provided with agitating device 7 in the embodiment shown in fig. 1.By the stirring of agitating device 7, sludge can speed up
It reacts with additive and them is made uniformly to mix.Agitating device 7 can be used for carrying out in the concentration of sludge and/or quenched stage
Mechanical agitation, so as to contribute to the concentration of sludge or contribute to fully reacting for sludge and additive.Wait for it is quenched after, stop
Only agitating device.Then, open the first control valve 10a, it is concentrated and quenched after sludge pass through mud mouth 3, the first control valve
10a and sludge out pipe are discharged from container tank 1, to enter sludge storage pool or lower one of mechanical dehydration process.It is easily understood that
Agitating device is not required in that.Can not also include agitating device in sludge condensation and modifying device according to actual conditions.
In addition, the shape and construction of the blade of agitating device can also have any suitable other forms according to actual conditions.
It should also be noted that in the embodiment (not shown) of the application, can not also be set on the shell 101 of container tank 1
Mud inlet 2 is set, but into the enters mud pipe of mud device 13 from the top of container tank 1, such as across lid 103, and accordingly pass through
Filter device extends to the lower section of filter device in a manner of the shell 101 for the container tank 1 that reclines, and extends preferably into container tank 1
Bottom plate 102 near, and the open end of to be then enters mud pipe 13 in this case extend to 6 lower section of filter device of mud inlet 2, by
Sludge can be transported to below filter device in container tank 1 by this.In addition, can not also be set on the shell 101 of container tank 1
Set additive receiving opening, but the additive delivery pipe 18 of additive feeder unit is equally from the top of container tank 1, such as wear
Lid 103 is crossed, and accordingly passes through filter device, in a manner of the shell 101 for the container tank 1 that reclines, extends to filter device
Lower section, thus, it is possible to which additive to be transported to below filter device in container tank 1, and additive opening is in this case
It is then that additive delivery pipe 18 extends to the open end below filter device.
In addition, in the embodiment (not shown) of the application, sludge condensation and modifying device can also include back mud
Device.This time mud device includes one or more times mud entrances, returns mud outlet, gas vent and separator.It is one
Or multiple times mud entrances are respectively connected at one end to the separator, and it is connected to the sludge condensation and tune in the other end
Mud collection device in each equipment in matter device downstream, the sludge for recycling mud collection device from these equipment are sent
Into separator.For example, the sludge recycled in these equipment is sent into separator using high pressure gas.Separator is used
In isolating the sludge being recovered, such as the sludge being recovered is isolated from the high pressure gas for carrying sludge.Implement at one
In example, separator is cyclone separator.In another embodiment, separator can only include setting in gas stream
Filter in dynamic path（For example, strainer）Device.In this case, gas flows through filter, and entrained dirt
Mud is then stopped by filter, to be detached with gas.It goes back to mud outlet and is connected at one end to separator, and connected in the other end
To in the container tank of sludge condensation and modifying device, it is located at below filter device.One end of gas vent is connected to separation dress
It sets, the other end is then connected to the top of container tank（In the top of filter device）, or be connected to for recycling high pressure gas
Gas circulation line.The dirt that the gas detached as a result, with sludge is then discharged by gas vent or is recovered, and is recovered
Mud can be fed in sludge condensation and modifying device and be handled.Utilize this time mud device so that sludge condensation and quenched
Device can not only be handled the sludge of the high-moisture percentage from sewage plant, moreover it is possible to coming from whole Treatment of Sludge production line
In the sludge of each equipment in downstream handled.It is not necessarily to add other dirt again in Treatment of Sludge production line as a result,
Mud recycles or processing unit.This has greatly saved the expense of soil, capital construction and equipment cost etc..
Turning now to Fig. 2, it illustrates a realities of sludge condensation according to the present invention and the agitating device 7 of modifying device
Apply example.Agitating device 7 includes rotation axis 702 and the blade 701 positioned at 702 one end of rotation axis.In the embodiment illustrated in fig. 2,
Blade 701 is linked together in an appropriate manner by plurality of rods shape component and is formed, such as by welding, being bolted, etc..
It will be readily appreciated, however, that blade 701 there can be any suitable form, such as can also be arranged to blade（For example, spiral shell
Revolve blade）Shape.Rotation axis 702 passes through the axis hole 105 of lid 103 and the centre bore of the support plate 5 of filter device along container tank 1
Central longitudinal axis setting, and blade 701 be arranged in container tank 1 be located at filter device and container tank 1 bottom plate 102
Between.Rotation axis 702 passes through transmission device（It is not shown in figure）With power plant（It is also not shown in figure）It is connected.When needing to carry out
When stirring, start the power plant to drive rotation axis 702 to rotate, rotation axis 702 drives stirring blade 701 to rotate.
Referring now to Figure 3, it illustrates one embodiment of the filter device of sludge condensation and modifying device A in Fig. 1.
In this embodiment, filter device includes support plate 5 and filter assemblies 6.Support plate 5 is the plate of the shape with general flat,
And its periphery contour is designed to adapt to the inner circumferential profile of the shell 101 of container tank 1, so as to be put into container tank 1.Branch
In fagging 5 other than the centre bore 502 passed through with the rotation axis 701 for agitating device 7, it is additionally provided at least one plate hole
501, during being concentrated to sludge, to allow filtered liquid to pass through.Plate hole 501 can by rule or not
It is regularly arranged, and can have any suitable shape, such as circle, triangle, polygon etc..Corresponding to support plate
A filter assemblies 6 are correspondingly arranged, for being filtered to sludge in each plate hole 501 in 5.In Fig. 3 institutes of the application
In the embodiment of the filter device shown, support plate 5 is the flat plate for having circular shape.However, it could be imagined that support
Plate 5 can have any other suitable shape, for example, upwards the convex shape of arching, reclinate concave shape or
The shape of dipping and heaving bending.
Fig. 4 shows the filter assemblies 6 in Fig. 3 in the form of stereogram exploded view.Filter assemblies 6 include 61 and of filter screen
Cage 62.As shown in Figure 4, filter screen 61 includes net circle 611 and spacer screen 612, only allows the liquid in sludge that can pass through,
And sludge is then difficult to pass through.Cage 62 includes fixing piece 621 and at least one filter grid 622.However, be readily contemplated by one that,
Filter screen 61 can also be the either cage 62 of single type can also be it is integrally formed again or filter screen 61 and cage 62
The two can also be integrally formed.Fixing piece 621 is used for the engagement of filter assemblies 6 at the plate hole 501 of support plate 5.It is fixed
Part 621 can be in any suitable manner engaged at plate hole 501, for example, being bolted, welding, utilizing gluing effect
Bonding utilizes the buckle, etc. of suitable bayonet unit.622 one end of filter grid is fixedly attached on fixing piece 621, the other end
Then it is connected to each other by a connection ring.Filter grid 622 is used to support and fixes filter screen 61, prevents because of sludge
Pressure or impact force cause filter screen 61 to fold, deform or block.As it will be easily appreciated by one skilled in the art that filter grid 622
Number and shape can be selected according to actual needs；In addition, the support plate 5, filter assemblies 6 are in art technology
Personnel can also be formed by integral production.In the embodiment show in figure 4, the quantity of filter grid 622 is three.But this
The technical staff in field can select any suitable quantity and any suitable shape according to actual conditions.
Fig. 5 then shows another embodiment of the cage 62 of filter assemblies 6.In this embodiment, cage 62 includes five
Root filter grid 622, and cage 62 can also include at least one reinforcing ring 623.At least one reinforcing ring 623 is in each filtering
The substantially middle of grid 622 is fixedly connected with each filter grid 622, to increase the intensity of cage 62.
Fig. 6 shows another embodiment of the filter assemblies 6' of the present invention in the form of stereogram exploded view.Such as Fig. 6 institutes
Show, filter assemblies 6' includes filter screen 61', cage 62' and a drum ladle.Filter screen 61' includes net circle 611' and bottom
612' is netted, only allows the liquid in sludge that can pass through, and sludge is then difficult to pass through.Cage 62' include fixing piece 621' and
At least one filter grid 622'.However, be readily contemplated by one that, filter screen 61' can also be single type or cage 62'
Can also be integrally formed, then both filter screen 61' and cage 62' can also be integrally formed.In addition, filtering group
Filter screen 61' in part 6' can by only limit liquid by filter cloth be made, can also be biofilm material, metal mesh
Shape object, or the material that may be used by other are made.Fixing piece 621' is used for filter assemblies 6' engagements to support plate 5
Plate hole 501 at.Fixing piece 621' can be in any suitable manner engaged at plate hole 501, for example, being bolted, welding
Connect, using gluing effect bonding, utilize the buckle, etc. of suitable bayonet unit.The one end filter grid 622' is fixedly attached to
On fixing piece 621', the other end be connected to shown on drum ladle.In addition, cage 62' can also include at least one reinforcing
Ring 623'.At least one reinforcing ring 623' is fixedly connected with each filter grid 622', to increase the intensity of cage 62'.Filter grid
622' is used to support and fixes filter screen 61', prevents because the pressure or impact force of sludge cause filter screen 61' to fold, deform
Or it blocks.As it will be easily appreciated by one skilled in the art that the number and shape of filter grid 622' can add according to actual needs
With selection；In addition, the support plate 5, filter assemblies 6' can also be formed in those skilled in the art by integral production.Scheming
In embodiment shown in 6, the quantity of filter grid 622' is four.But those skilled in the art can be according to actual conditions
Select any suitable quantity and any suitable shape.
Fig. 7 shows the filter assemblies 6' in Fig. 6 in the form of partial cross-sectional perspective view.From figure 7, it is seen that the tubular
Container includes cover 624, cylinder 628 and bottom plate 630 with flange 626.Cover 624 has spherical cap shape, and wherein
There is liquid outlet 627 at the heart.Bottom plate 630 includes at least one opening 629.Cover 624, cylinder 628 and bottom plate 630 can be with
Any mode is bonded together, such as is bolted, welds, being filled using the bonding of gluing effect, using suitable buckle
The buckle etc. set, to form the drum ladle.In the drum ladle, floating ball 625 is accommodated.It is easily understood that
At least one opening 629 of drum ladle is passed in and out for sludge and liquid outlet 627 can be set to any proper shape, such as round
The various shapes such as shape, polygon.In addition, the shape of cover 624, cylinder 628 and bottom plate 630 it is not also specifically limited, according to
Need there can be any suitable shape.
The periphery that the net circle 611' of filter screen 61' can surround at least one filter grid 622' is arranged, and filter screen 61'
Spacer screen 612' then can wrap flange 626 from the outside of flange 626 and be joined to the bottom surface of flange 626.Thus, it is possible to effectively
Prevent filter screen 61' fall off or because in container tank 1 buoyancy of sludge or impact force cause filter screen 61' fold or deformation.
The axial length of cage 62' can extend, to increase the area of filter screen 61' coverings, to accelerate to be separated by solid-liquid separation,
Reduce concentration time.Multiple openings can also be opened up on cylinder 628, to increase into the sludge quantity in cylinder 628, so as to
Floating ball 625 is set to increase as quickly as possible when sludge condensation starts, it, additionally can be in filtrate to close liquid outlet 627 as early as possible
Accelerate the speed that filtrate is flowed out from cylinder 628 when reflux washing and filtering device.
Fig. 8 and Fig. 9 respectively shows the mode of operation of the filter assemblies 6' in Fig. 6 in cut away view.In Fig. 8 and figure
In embodiment shown in 9, filter screen 61' is single type, i.e. net circle 611' and spacer screen 612' are formed as one.Filter screen 61'
The periphery of at least one filter grid 622' and the periphery setting of cylinder 628 can be surrounded, filter screen 61' can also be from flange
626 outside wrapping flange 626 and the bottom surface for being joined to flange 626, and filter screen 61' also wraps bottom plate 630 and is joined to
Below bottom plate 630.Fig. 8 shows the filter assemblies 6' during being in sludge condensation.As shown in figure 8, high-moisture percentage at this time
Sludge entered in drum ladle from the opening 629 in bottom plate 630, and by the rising of sludge drive floating ball 625 rise,
Until floating ball 625 is against the liquid outlet 627 in cover 624.Floating ball 625 closes liquid outlet 627 as a result, so that sludge can not be through
By 627 cover filter assemblies 6' of liquid outlet, to have to be filtered via filter screen 61'.Fig. 9, which is shown, is in completion dirt
The filter assemblies 6' being either rinsed after mud concentration in operating process.As shown in figure 9, at this time because floating ball 625 loses sludge
Buoyancy, so falling back on bottom plate 630.For the process of thickened sludge is discharged after completing sludge condensation, in support plate 5
The remaining portion filtrate in side is back to by liquid outlet 627 in drum ladle, to remain on the sludge in filter assemblies 6'
It is flushed in container tank 1, so as to play the role of cleaning the sludge in filter assemblies 6' automatically.It is rushed if it is being additionally carried out
In the case of washing, then flushing liquid will be entered via liquid outlet 627 in drum ladle, and via the opening 629 in bottom plate 630
It drains, thus completes the flushing to filter assemblies 6'.In this case it is also possible to be arranged on the lid 103 of container tank 1 clear
Pipe is washed, after the completion of sludge condensation is handled, to spray water into container tank 1 by cleaning pipe, to play the role of cleaning.
In addition, in an embodiment (not shown), filter assemblies 6,6' can have different length, so as to reality
Existing different filter area, so that the sludge for different situations adjusts required filter area as required.In addition, in this Shen
In other embodiments (not shown) please, position of the filter device in storage device or container tank can be adjustable up and down
, it is possible thereby to adjust the size in the space limited by the bottom of filter device and storage device in storage device（In other words, may be used
To adjust division of the filter device to the inner space of storage device）.The space be sized to influence from start convey sludge
To the time for completing to spend needed for sludge condensation.The space is bigger, and the required time is more, and the space is smaller, then needed for when
Between also can accordingly reduce.Certainly, completing the amount of the sludge of concentration can also be reduced.Therefore, can come as needed during use
Adjust position of the filter device in storage device.
Using the filter device of the present invention, the manufacture difficulty and maintenance cost of filter device can be greatly reduced.For example,
Support plate 5 can provide enough intensity on the entire cross-sectional area of container tank 1, be applied in concentration process with resisting sludge
Pressure and impact force, deformed to avoid card or impaired.Filter assemblies 6, the 6' tools being bonded at the plate hole 501 of support plate 5
There are cage 62,62', for filter assemblies 6,6', enough intensity is provided, to prevent the sludge pair in container tank 1
The impact of filter assemblies and pressure cause filter assemblies to deform or fold.Filter screen 61,61' include around cage 62,62'
Net circle 611,611' and spacer screen 612,612'.There is certain extension in the longitudinal direction as a result, ensure that enough
Filter area, provide the efficiency of filtering, shorten concentration needed for time.When filter assemblies 6,6' damages or according to reality
When the working condition on border needs replacing filter assemblies, it is only necessary to remove corresponding filter assemblies 6,6' from support plate 5 and carry out
Repair is replaced, and nothing needs to change entire filter device.This greatly reduces maintenance costs.
Referring now to Figure 10, it illustrates concentrated to sludge using sludge condensation according to the present invention and modifying device
With a preferred embodiment of the method 300 of modifier treatment.The sludge condensation and hardening and tempering method 300 can as follows into
Row：
At box 301, by starting into the pump 11 in the enters mud pipe 13 of mud device, the pending of such as sewer catch basin will be come from
Sludge is pumped to through mud inlet 2 in container tank 1 along enters mud pipe 13.With sludge from enters mud pipe 13 by mud inlet 2 to container tank 1
In constantly conveyed, the sludge in container tank 1 is on the increase so that the liquid level of sludge gradually rises, and reach filtering dress
The installation site set.
At box 302, when the liquid level of sludge reaches the installed position of filter device, continue that conveying sludge is kept to arrive
In container tank 1, which only allows liquid to pass through, and to which sludge to be blocked in below filter device, forms solid-liquid point
From, and filter the filtered fluid to be formed by top and be then discharged by overflow port 4.As pending mud is continuous from mud inlet 2
Into mud, the continuous concentration to sludge in container tank 1 is realized, is layered without waiting for muddy water, and directly filtered by top
Filtered fluid is discharged；When the reading for the pressure gauge 15 being arranged on the side wall of container tank 1 reaches setting numerical value, to show sludge
Concentration when having reached corresponding expectation concentration, then close the pump 11 in enters mud pipe 13, enrichment process is completed at this time.
At box 303, after the completion of enrichment process, the second control valve 10b on additive pipeline 18 is opened with to storage
The additive quenched for thickened sludge is added to cryopreservation device quantification.After sludge reaches quenched effect, the second control is closed
Valve 10b, at this time quenched process completion.
At box 304, when entire concentration and quenched process all after the completion of, open the first control valve 10a on sludge out pipe,
It is kept in so that the sludge after concentrated and quenched in container tank 1 to be discharged into from mud mouth 14 in such as sludge-tank, or directly
Sludge is delivered to unshowned mechanical dehydration process by pumping.
In the above-mentioned method for carrying out concentration and modifier treatment to sludge, as needed, agitating device can also be started
7.For example, can be during being concentrated to sludge（For example, in step shown in box 301 and 302 in Fig. 10）
And/or additive is inputted in the sludge using the additive feeder unit to concentration to carry out quenched mistake to thickened sludge
Cheng Zhong（For example, in step shown in box 303 in Fig. 10）, the sludge in container tank 1 is stirred using agitating device 7
It mixes, to be conducive to the quenched of sludge.
In sludge condensation according to the present invention and modifying device and concentration and quenched process, the conveying of sludge and filtrate
Discharge be carried out continuously in the process of concentration, without waiting for the layering and precipitating of sludge and clear water, and by continuing sludge
It is delivered in reservoir, accelerates the flocculation conglomeration or concentration of sludge；The filter device being arranged by storage device top carries out
The method of portion's filtering is completed to realize to be reduced in 2 hours by 10 hours or more original concentration times, to improve
Thickening efficiency and reduce concentration time, reaches unexpected technique effect.Further, since sludge is with very strong hydrophilic
Property, the moisture and mud granule binding force in sludge are strong, by adding additive to change the property of sludge, destroy sludge colloid
Structure, reduce keeps mud-water separation more thorough with the affinity of water so as to improve the dewatering of sludge.
So far, those skilled in the art will appreciate that the description of above example is only to illustrate the preferred side of the present invention
Case, and whole schemes of non-present invention, wherein any type of modification or change based on the above embodiment of the present invention will all be fallen
Enter within the conception range of the present invention.
Claims (24)
1. a kind of filter device for being filtered to the excess sludge from sewage plant comprising：
Support plate, the support plate include at least one plate hole；
Filter assemblies, the filter assemblies are arranged in correspondence at least one plate hole of the support plate, and include：
Cage, the cage include fixing piece and a plurality of filter grid, and the fixing piece is used for filter assemblies engagement to institute
It states at the plate hole of support plate, the one end of each is fixedly attached to the fixing piece in a plurality of filter grid；
Filter screen, the filter screen are fixed to the cage and surround the cage.
2. filter device as described in claim 1, wherein at least one plate hole of support plate quilt in the support plate
Regularly or irregularly arrange.
3. filter device as described in claim 1, wherein at least one plate hole of the support plate be round, triangle or
Person's polygon.
4. filter device as described in claim 1, wherein the support plate is flat plate.
5. filter device as described in claim 1, wherein the support plate have upward arching convex shape or to
The shape of concave shape or the dipping and heaving bending of lower bending.
6. filter device as described in claim 1, wherein the filter screen includes net circle and spacer screen, the net circle and spacer screen
It is connected to each other, to surround the cage jointly.
7. filter device as described in claim 1, wherein the filter screen is single type.
8. filter device as described in claim 1, wherein the cage has certain length, to increase filter area,
And be additionally provided at least one reinforcing ring, at least one reinforcing ring a plurality of filter grid middle position by institute
A plurality of filter grid is stated to link together.
9. filter device as described in claim 1, wherein the filter assemblies further include drum ladle, the drum ladle
Including combined cover, cylinder and bottom plate, the cover has flange, and is provided at the center of the cover
Liquid outlet, each in a plurality of filter grid with one end for being fixedly attached to the fixing piece, opposite other end quilt
It is connected to the flange of the cover, at least one opening is provided in the bottom plate, floating ball is provided in the drum ladle, with
Just risen by the sludge after at least one opening on the bottom plate enters the drum ladle in the sludge containing liquid
Floating ball is driven to rise, so as to close the liquid outlet in the cover.
10. filter device as claimed in claim 9, wherein the cover is in spherical cap shape.
11. a kind of sludge condensation and modifying device, including：
Storage device for receiving and accommodating sludge, the storage device include main body and lid, and the main body and the lid are altogether
With the inner space for receiving and accommodating sludge for foring the storage device, it is provided with mud mouth in the main body and overflows
Head piece, the mud mouth are located above the mud mouth, are used for for sludge, the overflow port to be discharged from the storage device
The filtrate generated during sludge condensation is discharged；
It is described to be used to sludge being transported in the storage device from below the filter device into mud device into mud device；
Additive feeder unit, the additive feeder unit below the filter device for delivering additive to institute
It states in storage device, to be mixed with the sludge；
Mud extraction device, the mud extraction device are connected to the mud mouth, for being discharged concentrated and adjusting from the storage device
The sludge of matter；
Filter device as described in any one of claims 1 to 10, the filter device are arranged in the storage device, position
Between the mud mouth and the overflow port, for being filtered to the sludge in the storage device, to realize solid-liquid point
From；And
Agitating device, the agitating device is for being stirred the sludge in the storage device, wherein the filter device
Support plate further include for the axis hole that passes through of rotation axis for the agitating device.
12. sludge condensation as claimed in claim 11 and modifying device, wherein the main body of the storage device is to pass through ground
The reservoir that is formed of recessed area, the reservoir includes reservoir wall and bottom, and the mud mouth and the overflow port are located at described
On reservoir wall.
13. sludge condensation as claimed in claim 11 and modifying device, wherein the main body of the storage device is provided in ground
Container on face comprising the side wall that bottom plate and shell are formed, the mud mouth and the overflow port are located on the side wall.
14. sludge condensation as claimed in claim 11 and modifying device, wherein the main body of the storage device is provided in ground
Container on face comprising the side wall that bottom plate and shell are formed, the mud mouth are located on the bottom plate, and the overflow port is located at
On the side wall.
15. sludge condensation as claimed in claim 11 and modifying device, wherein the storage device further includes mud inlet, institute
It states mud inlet to be located at below the filter device, and on the side wall of the main body or bottom, it is described to be connected into mud device
The mud inlet, to convey sludge from the lower section of the filter device.
16. sludge condensation as claimed in claim 11 and modifying device, wherein it is described into mud device include enters mud pipe, it is described
Enters mud pipe is extended to along the side wall of the main body below the filter device from top to bottom in the storage device, so as to
Sludge is conveyed from the lower section of the filter device.
17. sludge condensation as claimed in claim 11 and modifying device, wherein the lid in the storage device may also include
Gas port, for the gas in the storage device to be discharged.
18. sludge condensation as claimed in claim 11 and modifying device, wherein the storage device further includes that additive enters
Mouthful, the additive entrance is located at below the filter device, and the additive feeder unit is connected to the additive and enters
Mouthful, so as to from the lower section feeding additive of the filter device.
19. sludge condensation as claimed in claim 11 and modifying device, wherein the additive feeder unit includes additive
Pipeline, the additive pipeline are extended to along the main body under the filter device from top to bottom in the storage device
Face, so as to from the lower section feeding additive of the filter device.
20. sludge condensation as claimed in claim 11 and modifying device, wherein the filter device can move up and down, with
Adjust the division to the inner space of the storage device.
21. sludge condensation as claimed in claim 11 and modifying device, wherein in the storage device, in the filtering
Place adjacent thereto is equipped with pressure gauge below device, to monitor the pressure in the sludge being concentrated.
22. sludge condensation as claimed in claim 11 and modifying device, wherein it is described into mud device further include the first pump, and
The first pump front end or rear end are equipped with the mixer for additive package and sludge, for pending mud and additive
It is mixed.
23. a kind of method that sludge is handled using sludge condensation as claimed in claim 11 and modifying device, including：
Sludge is continuously supplied in the storage device into mud device using described；
When the liquid level of the sludge in the storage device is more than the filter device, realized to sludge by the filter device
Separation of solid and liquid, be achieved in the concentration to sludge；
After being concentrated to sludge, additive is inputted into the sludge of concentration using the additive feeder unit, so as to reality
Now to the quenched of sludge；And
Through concentration and it is quenched after, using shown mud extraction device from be discharged in the storage device it is conditioned after sludge.
24. method as claimed in claim 23, wherein add during being concentrated to sludge and/or described in utilization
Add agent feeder unit inputted into the sludge of concentration additive with to thickened sludge carry out it is quenched during, also stirred using described
Device is mixed to be stirred the sludge in the storage device.
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