CN103693841B - Method and system for deep dehydration of sludge - Google Patents
Method and system for deep dehydration of sludge Download PDFInfo
- Publication number
- CN103693841B CN103693841B CN201310719618.9A CN201310719618A CN103693841B CN 103693841 B CN103693841 B CN 103693841B CN 201310719618 A CN201310719618 A CN 201310719618A CN 103693841 B CN103693841 B CN 103693841B
- Authority
- CN
- China
- Prior art keywords
- mud
- sludge
- mud cake
- filter
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a method and a system for deep dehydration of sludge. The method comprises the following steps: S1, adding sludge and a modifier to a sludge conditioning tank; S2, fully stirring the sludge and the modifier in the sludge conditioning tank, so that the sludge is subjected to flocculating modification; S3, carrying out second-level filtering on the sludge flowing out from the sludge conditioning tank, and then conveying to a high-pressure diaphragm plate-and-frame filter press to carry out filter pressing through a high-pressure pump, extruding the moisture in the sludge and forming a mud cake; S4, conveying the mud cake to a mud cake discharge bin to store through screw conveying equipment. The system comprises a modifier storage bin (1), a modifier conveyer (2), a sludge conditioning tank (3), a second-level filtering device (4), a high-pressure pump (5), a high-pressure diaphragm plate-and-frame filter press (6), screw conveying equipment (8) and a mud cake discharge bin (9). The method and the system are high in automatic degree, the sludge treatment efficiency is improved, the sludge is conveyed in the sealed equipment, and secondary pollution to the environment is not generated.
Description
Technical field
The present invention relates to field of sludge treatment, more particularly, relate to a kind of method and system of deeply dehydrating sludge.
Background technology
Because China's Sewage Plant is in process of construction, for a long time " the light mud of heavy water ", China's urban wastewater treatment firm achieves the preliminary minimizing of mud substantially, but the stabilization treatment of unrealized mud.According to statistics, in current disposal options, mainly based on landfill, sludge aerobic fermentation, agricultural, the natural mummification of mud, sludge incineration.There is the problems such as poor stability, processing efficiency are low in existing sludge treatment mode, and can produce secondary pollution to environment in the process of process.
Urban wastewater treatment firm mud, before burning or cement kiln synergic processing, first will carry out dehydration pre-treatment to mud.Primary enter in factory's mud containing impurity such as cotton yarns, these impurity can block sludge carrier pipe road and heavy wear equipment, affect operation rate and sludge treatment efficiency.
Summary of the invention
The impurity such as the technical problem to be solved in the present invention is, provides a kind of method and system of deeply dehydrating sludge, can effectively reduce the moisture in mud, and collects the mud cake after dehydration, the cotton yarn simultaneously in energy filter sludge, improve sludge treatment efficiency.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method constructing deeply dehydrating sludge, comprises the following steps:
S1, mud and properties-correcting agent are joined in the modified tank of mud;
S2, in the modified tank of mud, fully stirring mud and properties-correcting agent, there is flocculation modification in mud; Be provided with filtering net in the modified tank of mud and primary filter is carried out to mud;
S3, cascade filtration is carried out to the mud flowed out from the modified tank of mud, be then delivered to autoclave diaphragm plate-and-frame filter press by high-pressure pump and carry out press filtration, remove the moisture in mud, form mud cake;
S4, by mud cake by screw conveyor deliver to mud cake discharge bin store.
In such scheme, described properties-correcting agent is unslaked lime and iron trichloride, and described step S2 comprises further:
Step S21, moisture for Sewage Plant wet mud is diluted to 92 ~ 94% water ratio;
Step S22, add iron trichloride as inorganic molysite coagulating agent, consumption controls to wet mud at 30 ~ 50kg/ ton, fully stirs 5 ~ 10min;
Step S23, add unslaked lime as inorganic coagulant aids, consumption controls to wet mud at 60 ~ 120kg/ ton, fully stirs 30 ~ 60min.
Present invention also offers a kind of deep dehydration system for sludge, comprise properties-correcting agent storage bin, properties-correcting agent e Foerderanlage, the modified tank of mud, two-stage filter, high-pressure pump, autoclave diaphragm plate-and-frame filter press, screw conveyor and mud cake discharge bin, properties-correcting agent in described properties-correcting agent storage bin adds in the modified tank of described mud by described properties-correcting agent e Foerderanlage, agitating vane and filtering net is provided with in the modified tank of described mud, the mud flowed out from the modified tank of described mud is delivered in autoclave diaphragm plate-and-frame filter press by described high-pressure pump, moisture in described mud is extracted formation mud cake by described autoclave diaphragm plate-and-frame filter press, mud cake is delivered to mud cake discharge bin by screw conveyor and is stored, described two-stage filter is between the modified tank of described mud and high-pressure pump.
In such scheme, described properties-correcting agent e Foerderanlage comprises the first spiral reamer and housing, described first spiral reamer is arranged in housing, described shell nozzle place is provided with flange, one end of the turning axle of described first spiral reamer extends and passes described flange and extend out to hull outside, the external part of described turning axle is provided with bearing, and described bearing is arranged in bearing support, and described bearing support is fixed on described flange.
In such scheme, described filtering net is parallel to the rotating shaft of described agitating vane and the radial direction along the modified tank of described mud is arranged.
In such scheme, described two-stage filter comprises the filter cartridge be arranged on high-pressure pump front-end pipelines, is provided with pectination filtering net in described filter cartridge, and described pectination filtering net is vertical with the flow direction of mud in described filter cartridge.
In such scheme, described autoclave diaphragm plate-and-frame filter press comprises thrust plate, crossbeam, hydro-pump and multiple filter plate, described thrust plate is fixed on one end of described crossbeam, and described in described hydraulic pump drive, filter plate is along described cross beam movement, and the tow sides of described filter plate are surrounded by filter cloth; When changing filter cloth, have gap between two adjacent filter plate, be provided with gag lever post between described two adjacent filter plate, described gag lever post is placed on described crossbeam.
In such scheme, the below of described filter plate is provided with transfer passage, described screw conveyor is arranged in described transfer passage, described screw conveyor comprises the second spiral reamer and supports the pendent axis apparatus of described second spiral reamer, described pendent axis apparatus comprises hanging wheel and arm, the turning axle of described second spiral reamer extends along transfer passage through described hanging wheel, and described arm is fixed on the inwall of described transfer passage.
In such scheme, in described transfer passage, hanging beam is set, described arm is fixed on described hanging beam, and be provided with in described transfer passage and pile up sludge removal device, its concrete structure is: be connected on hanging beam by least three arms by unsettled for hanging wheel above described hanging wheel; At least side transfer passage sidewall corresponding above hanging wheel arranges high pressure spray nozzle, and high pressure spray nozzle injection direction is just to bottom transfer passage; High pressure spray nozzle is communicated with high-pressure water tank by control valve.
In such scheme, described mud cake discharge bin comprises the discharging hopper below mud cake storehouse and mud cake storehouse, and discharging hopper outlet is docked with outer shipping unit; Arrange mud cake discharge shutter between mud cake discharge bin and discharging hopper, mud cake discharge shutter is closure plate along the front end of working direction, mud cake discharge bin bottom discharge openings is closed when closure plate is in closed position; Mud cake discharge shutter transmission shaft is driven by reducing motor; Discharging hopper outer suitable for reading and mud cake discharge shutter front end adjacent extend out setpoint distance, form the outer sidewall skewed slot shunk from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate foremost spacing distance be the sludge blockage space set, described sludge blockage space makes closure plate be in closed position and mud cake discharge bin bottom discharge openings is closed.
Implement the method and system of deeply dehydrating sludge of the present invention, there is following beneficial effect:
1, mud and properties-correcting agent react in modified tank, flocculation modification is carried out to mud, be convenient to follow-up autoclave diaphragm plate-and-frame filter press and carry out deep dehydration process to mud, the mud cake after dehydration is stored in mud cake discharge bin, then by outer shipping unit transfers such as lorries.Mud cake after dehydration may be used for manufacture of cement, improves its economic worth.
2, filtering net is provided with in the modified tank of mud, and the exit of modified tank is also provided with two-stage filter, decrease cotton yarn impurity to wear and tear to the winding of Stirring blade, stop the stopping state of the impurity such as cotton yarn to sludge carrier pipe road and high-pressure pump, reduce maintenance of equipment rate, save production cost, without the need to artificial frequent cleaning, dredging, improve operation rate and working efficiency.
3, level of automation of the present invention is high, improves sludge treatment efficiency, and mud transmits in the equipment closed, and can not produce secondary pollution to environment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of deep dehydration system for sludge of the present invention;
Fig. 2 is the structural representation of properties-correcting agent e Foerderanlage;
Fig. 3 is that A in Fig. 2 is to close-up schematic view;
Fig. 4 is the structural representation of the modified tank of mud;
Fig. 5 is the structural representation of two-stage filter;
Fig. 6 is the structural representation of autoclave diaphragm plate-and-frame filter press;
Fig. 7 is the structural representation of screw conveyor;
Fig. 8 is the structural representation of mud cake discharge bin;
Fig. 9 is the structural representation of mud cake discharge shutter.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
The method of a kind of deeply dehydrating sludge of the present invention comprises the following steps:
S1, primary mud and properties-correcting agent to be joined in the modified tank of mud.Select unslaked lime and iron trichloride as properties-correcting agent in the present embodiment, cost is low, and primary moisture percentage in sewage sludge is about 80%.
S2, in the modified tank of mud, fully stir mud and properties-correcting agent, mud and properties-correcting agent react in modified tank, carry out flocculation modification to mud, are convenient to follow-up autoclave diaphragm plate-and-frame filter press and carry out deep dehydration process to mud.Be provided with filtering net in the modified tank of mud and carry out primary filter to mud, the impurity such as cotton yarn are wrapped on filtering net, decrease cotton yarn impurity and wear and tear to the winding of Stirring blade.
Step S2 comprises further:
Step S21, moisture for Sewage Plant wet mud is diluted to 92 ~ 94% water ratio;
Step S22, add iron trichloride as inorganic molysite coagulating agent, consumption controls to wet mud at 30 ~ 50kg/ ton, fully stirs 5 ~ 10min;
Step S23, add unslaked lime as inorganic coagulant aids, consumption controls to wet mud at 60 ~ 120kg/ ton, fully stirs 30 ~ 60min.
S3, cascade filtration is carried out to the mud flowed out from the modified tank of mud, stop the stopping state of the impurity such as cotton yarn to sludge carrier pipe road and high-pressure pump, reduced maintenance of equipment rate, save production cost, without the need to artificial frequent cleaning, dredging, improve operation rate and working efficiency.Then be delivered to autoclave diaphragm plate-and-frame filter press by high-pressure pump and carry out press filtration, extrude the moisture in mud, form the mud cake that water ratio is about 50%.
S4, by mud cake by screw conveyor deliver to mud cake discharge bin store, mud cake is shifted by lorry.Mud cake after dehydration may be used for producing cement, improves its economic worth.
As shown in Figure 1, the invention also discloses a kind of deep dehydration system for sludge, comprise properties-correcting agent storage bin 1, properties-correcting agent e Foerderanlage 2, the modified tank 3 of mud, two-stage filter 4, high-pressure pump 5, autoclave diaphragm plate-and-frame filter press 6, screw conveyor 8 and mud cake discharge bin 9.
Properties-correcting agent in properties-correcting agent storage bin 1 adds in the modified tank 3 of mud by properties-correcting agent e Foerderanlage 2, agitating vane 302 and filtering net 303 is provided with in the modified tank 3 of mud, the mud flowed out from the modified tank 3 of mud is delivered in autoclave diaphragm plate-and-frame filter press 6 by high-pressure pump 5, moisture in mud is extruded by autoclave diaphragm plate-and-frame filter press 6, form mud cake, mud cake is delivered to mud cake discharge bin 9 by screw conveyor 8 and is stored.Two-stage filter 4 is between the modified tank 3 of mud and high-pressure pump 5.
Mud and properties-correcting agent react in modified tank 3, carry out flocculation modification to mud, and be convenient to follow-up autoclave diaphragm plate-and-frame filter press 6 pairs of mud and carry out deep dehydration process, the mud cake after dehydration is stored in mud cake discharge bin 9, is then shifted by lorry.Mud cake after dehydration may be used for producing cement, improves its economic worth.Filtering net 303 is provided with in the modified tank 3 of mud, and the exit of modified tank 3 is also provided with two-stage filter 4, decrease cotton yarn impurity to wear and tear to the winding of Stirring blade 302, stop the stopping state of the impurity such as cotton yarn to sludge carrier pipe road and high-pressure pump 5, reduce maintenance of equipment rate, save production cost, without the need to artificial frequent cleaning, dredging, improve operation rate and working efficiency.
As shown in Figure 2 and Figure 3, further, properties-correcting agent e Foerderanlage 2 comprises the first spiral reamer 202, housing 201 and blocks the flange 204 of housing 201 opening.Flange 204 and housing 201 can be bolted to connection, and the first spiral reamer 202 is arranged in housing 201, and one end of the turning axle 203 of the first spiral reamer 202 is passed flange 204 and extend out to outside housing 201.The external part of turning axle 203 is provided with bearing, and bearing is arranged in bearing support 206, and bearing support 206 is fixed on flange 204.The present invention extends to bearing outside housing 201, and bearing and the first spiral reamer 202 are isolated by flange 204, prevent limestone powder from falling into bearing, avoid running out bearing, improve the work-ing life of bearing.
Can also be provided with tightness system between turning axle 203 and flange 204, tightness system comprises the first sealing member 207, second sealing member 209 and the gasket 208 be sleeved on outside turning axle 203.Gasket 208 is installed between the first sealing member 207 and the second sealing member 209, and the first sealing member 207 stretches into housing 201, and the second sealing member 209 is positioned at outside housing 201, and the first sealing member 207 and the second sealing member 209 are bolted.Tightness system ensures the sealing effectiveness between turning axle 203 and flange 204, avoids the limestone powder in housing 201 to leak.Bearing support 206 is connected with flange 204 by web plate 205, and bearing support 206 is connected with web plate 205 by bolt, and web plate 205 is welded on flange 204.
As shown in Figure 4, further, the modified tank 3 of mud comprises tank body 304 and the rotating shaft 301 be arranged in tank body 304, agitating vane 302 and filtering net 303.
Agitating vane 302 is fixed in rotating shaft 301, is provided with filtering net 303 between the inwall of agitating vane 302 and tank body 304.Filtering net 303 is parallel to rotating shaft 301 and radial direction along tank body 304 is arranged, and can pass through filtering net 303 when mud rotates.Mud can be driven when agitating vane 302 rotates to rotate, mud is in modified process, the impurity such as cotton yarn can be wrapped on filtering net 303, decrease these impurity to wear and tear to the winding of Stirring blade 302, stop the stopping state of the impurity such as cotton yarn to sludge carrier pipe road and high-pressure pump 5, reduced maintenance of equipment rate, save production cost, without the need to artificial frequent cleaning, dredging, improve operation rate and working efficiency.
The top of tank body 304 is provided with installing port, and filtering net 303 is inserted in tank body 304 by installing port.The top of filtering net 303 is provided with end plate, and end plate is positioned at above installing port.In the present embodiment, filtering net 303 is plugged in tank body 304, convenient to remove, is convenient to cleaning.The both sides of filtering net 303 and have gap between tank body 304 and agitating vane 302, can not affect the normal rotation of agitating vane 302, reduce the barrier force of filtering net 303 simultaneously as much as possible.Rotating shaft 301 is provided with multiple spaced agitating vane 302, strengthens stirring capacity, improves the modified efficiency of mud.
As shown in Figure 5, further, two-stage filter 4 comprises the filter cartridge 401 be arranged on high-pressure pump 5 front-end pipelines, is provided with pectination filtering net 402 in filter cartridge 401, and pectination filtering net 402 is vertical with the flow direction of mud in filter cartridge 401.
By installing pectination filtering net 402 before high-pressure pump 5, chad, cotton yarn etc. in mud can there be wearing and tearing to high-pressure pump 5, filter the influential material of mud cake press filtration, deposit, to protect follow-up equipment such as high-pressure pump 5 grade.The Impurity deposition such as chad, cotton yarn, in filter cartridge 401, can regularly be cleared up filter cartridge 401 and pectination filtering net 402, simple and convenient.Because the impurity such as chad, cotton yarn is removed in time, decrease the stopping state of these impurity to sludge carrier pipe road and high-pressure pump 5, reduce maintenance of equipment rate, save production cost, without the need to artificial frequent cleaning, dredging transport pipe, improve operation rate and working efficiency.
The comb that pectination filtering net 402 comprises mounting plate and arranges on a mounting board, filter cartridge 401 inwall is provided with draw-in groove, and mounting plate inserts draw-in groove internal fixtion.Pectination filtering net 402 easy accessibility, is convenient to take out cleaning.Comb can also arrange dendritic thin bar, be convenient to be wound around cotton yarn.The top of filter cartridge 401 is provided with case lid, case lid by hinge and filter cartridge 401 hinged, case lid by latch locking on filter cartridge 401, can be opened case lid and can clear up filter cartridge 401 and take out pectination filtering net 402, simple and convenient.
As shown in Figure 6, Figure 7, further, autoclave diaphragm plate-and-frame filter press 6 comprises thrust plate 601, crossbeam 604, hydro-pump 603 and multiple filter plate 602.
Thrust plate 601 is fixed on one end of crossbeam 604, and hydro-pump 603 drives filter plate 602 to move along crossbeam 604, and the tow sides of filter plate 602 are surrounded by filter cloth.By filter plate 602 in opposite directions movement can extract the moisture in mud.When changing filter cloth, gap is had between two adjacent filter plate 602, gag lever post 605 is provided with between two adjacent filter plate 602, gag lever post 605 is placed on crossbeam 604, even if cause filter plate 602 to move because of malfunctioning switch, also can keep a safe distance between two adjacent filter plates 602, ensure that the safety of operating personnel.In the present embodiment, the length of gag lever post 605 is 40-60cm, is enough to ensure that safe distance reaches requirement.
Further, the below of filter plate 602 is provided with transfer passage 7, screw conveyor 8 is arranged in transfer passage 7, screw conveyor 8 comprises the second spiral reamer 801 and supports the pendent axis apparatus of the second spiral reamer 801, pendent axis apparatus comprises hanging wheel 803 and arm 804, the turning axle of the second spiral reamer 801 extends along transfer passage 7 through hanging wheel 803, and arm 804 is fixed on the inwall of transfer passage 7.Arrange hanging beam 802 in transfer passage 7, arm 804 is fixed on hanging beam 802.Be provided with in transfer passage 7 and pile up sludge removal device, its concrete structure is: be connected on hanging beam 802 by least three arms 804 by unsettled for hanging wheel 803 above hanging wheel 803; At least side transfer passage 7 sidewall corresponding above hanging wheel 803 arranges high pressure spray nozzle 805, and high pressure spray nozzle 805 injection direction is just to bottom transfer passage 7; High pressure spray nozzle 805 is communicated with high-pressure water tank 10 by control valve 806.
Optimize, arrange multiple hanging wheel 803 along transfer passage 7 bearing of trend uniform intervals, multiple hanging wheel 803 is in line distribution.At least side transfer passage 7 sidewall corresponding above each hanging wheel 803 all arranges high pressure spray nozzle 805.In preferred embodiment, transfer passage 7 sidewall is arranged at least one high pressure spray nozzle 805.Along transfer passage 7 bearing of trend, the second spiral reamer 801 conveying axis arranges spiral reamer blade at hanging wheel 803 both sides uniform intervals.Three arms 804 above each hanging wheel 803 are separately positioned on two ends on corresponding hanging beam 802 and midpoint.Transfer passage 7 is also connected with pneumatic line 11, is convenient to drying and the whereabouts of mud cake by compression ventilation.
In following specific embodiment, screw conveyor equipment overall length 12m, stable in order to whole second spiral reamer 801, need in centre about 6m place increase support it in addition firm.On axial cross section, the support being originally positioned at lower end reduces mud cake by space, hinders mud cake conveying, causes mud to pile up herein.The mud place of piling up, also can accumulate mud cake pressing filtering liquid and filter cloth washing water, cause the mud cake after filter-press dehydration again to be drenched, improve follow-up oven dry hear rate.
By transformation Support Position, support is moved to top, expand mud cake dredging space, lower end, and increase high-pressure water nozzle, mud is piled up in dredging in time, thoroughly solves latch up phenomenon in mud cake course of conveying.
As shown in Figure 8, Figure 9, further, mud cake discharge bin 9 comprises the discharging hopper 903 below mud cake storehouse 901 and mud cake storehouse 901.Discharging hopper 903 outlet is docked with outer shipping unit; Arrange mud cake discharge shutter 902 between mud cake storehouse 901 and discharging hopper 903, mud cake discharge shutter 902 is closure plate 9022 along the front end of working direction, mud cake storehouse 901 bottom discharge openings is closed when closure plate 9022 is in closed position; Mud cake discharge shutter 902 transmission shaft 9023 is driven by reducing motor; Discharging hopper 903 outer suitable for reading and mud cake discharge shutter 902 front end adjacent extend out setpoint distance, form the outer sidewall skewed slot shunk from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate 9022 foremost spacing distance be the sludge blockage space set, described sludge blockage space makes closure plate 9022 be in closed position and mud cake storehouse 901 bottom discharge openings is closed.
Mud cake discharge shutter 902 is frame plate 9021 along the rear end of working direction, alleviates valve plate weight when ensureing rigidity.By adding wealthy by mud cake hopper outer, stuck mud is pushed into by flashboard and adds wealthy skewed slot, and leaks from skewed slot sludge blockage space.Flashboard can normally close up, and hinders stress relieved.
Without the resistancing action of stuck mud reversed stress, step-down gear copper gear can not crumble, and reduces maintenance of equipment rate, has saved production cost; Sludge blockage space simultaneously owing to arranging is greater than actual sludge blockage amount, thus without the need to labor cleaning's mud, improves operation rate and working efficiency.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (6)
1. a deep dehydration system for sludge, it is characterized in that, comprise properties-correcting agent storage bin (1), properties-correcting agent e Foerderanlage (2), the modified tank of mud (3), two-stage filter (4), high-pressure pump (5), autoclave diaphragm plate-and-frame filter press (6), screw conveyor (8) and mud cake discharge bin (9), properties-correcting agent in described properties-correcting agent storage bin (1) adds in the modified tank of described mud (3) by described properties-correcting agent e Foerderanlage (2), agitating vane (302) and filtering net (303) is provided with in the modified tank of described mud (3), the mud flowed out from the modified tank of described mud (3) is delivered in autoclave diaphragm plate-and-frame filter press (6) by described high-pressure pump (5), moisture in described mud is extruded by described autoclave diaphragm plate-and-frame filter press (6), form mud cake, mud cake is delivered to mud cake discharge bin (9) by screw conveyor (8) and is stored, described two-stage filter (4) is positioned between the modified tank of described mud (3) and high-pressure pump (5), described filtering net (303) is parallel to the rotating shaft (301) of described agitating vane (302) and the radial direction along the modified tank of described mud (3) is arranged,
Described mud cake discharge bin (9) comprises the discharging hopper (903) of mud cake storehouse (901) and mud cake storehouse (901) below, and discharging hopper (903) outlet is docked with outer shipping unit; Mud cake discharge shutter (902) is set between mud cake discharge bin (9) and discharging hopper (903), mud cake discharge shutter (902) is closure plate (9022) along the front end of working direction, mud cake discharge bin (9) bottom discharge openings is closed when closure plate (9022) is in closed position; Mud cake discharge shutter (902) transmission shaft (9023) is driven by reducing motor; Discharging hopper (903) outer suitable for reading and mud cake discharge shutter (902) front end adjacent extend out setpoint distance, form the outer sidewall skewed slot shunk from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate (9022) foremost spacing distance be the sludge blockage space set, described sludge blockage space makes closure plate (9022) be in closed position and mud cake discharge bin (9) bottom discharge openings is closed.
2. deep dehydration system for sludge according to claim 1, it is characterized in that, described properties-correcting agent e Foerderanlage (2) comprises the first spiral reamer (202) and housing (201), described first spiral reamer (202) is arranged in housing (201), described housing (201) opening part is provided with flange (204), one end of the turning axle (203) of described first spiral reamer (202) extend and pass described flange (204) extend out to housing (201) outside, the external part of described turning axle (203) is provided with bearing, described bearing is arranged in bearing support (206), described bearing support (206) is fixed on described flange (204).
3. deep dehydration system for sludge according to claim 1, it is characterized in that, described two-stage filter (4) comprises the filter cartridge (401) be arranged on high-pressure pump (5) front-end pipelines, be provided with pectination filtering net (402) in described filter cartridge (401), described pectination filtering net (402) is vertical with the flow direction of described filter cartridge (401) interior mud.
4. deep dehydration system for sludge according to claim 1, it is characterized in that, described autoclave diaphragm plate-and-frame filter press (6) comprises thrust plate (601), crossbeam (604), hydro-pump (603) and multiple filter plate (602), described thrust plate (601) is fixed on one end of described crossbeam (604), described hydro-pump (603) drives described filter plate (602) mobile along described crossbeam (604), and the tow sides of described filter plate (602) are surrounded by filter cloth; When changing filter cloth, have gap between two adjacent filter plate (602), be provided with gag lever post (605) between described two adjacent filter plate (602), described gag lever post (605) is placed on described crossbeam (604).
5. deep dehydration system for sludge according to claim 4, it is characterized in that, the below of described filter plate (602) is provided with transfer passage (7), described screw conveyor (8) is arranged in described transfer passage (7), described screw conveyor (8) comprises the second spiral reamer (801) and supports the pendent axis apparatus of described second spiral reamer (801), described pendent axis apparatus comprises hanging wheel (803) and arm (804), the turning axle of described second spiral reamer (801) extends along transfer passage (7) through described hanging wheel (803), described arm (804) is fixed on the inwall of described transfer passage (7).
6. deep dehydration system for sludge according to claim 5, it is characterized in that, hanging beam (802) is set in described transfer passage (7), described arm (804) is fixed on described hanging beam (802), be provided with in described transfer passage (7) and pile up sludge removal device, its concrete structure is: described hanging wheel (803) top is connected on hanging beam (802) by least three arms (804) by unsettled for hanging wheel (803); At least side transfer passage (7) sidewall that hanging wheel (803) top is corresponding arranges high pressure spray nozzle (805), and high pressure spray nozzle (805) injection direction is just to transfer passage (7) bottom; High pressure spray nozzle (805) is communicated with high-pressure water tank (10) by control valve (806).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310719618.9A CN103693841B (en) | 2013-12-24 | 2013-12-24 | Method and system for deep dehydration of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310719618.9A CN103693841B (en) | 2013-12-24 | 2013-12-24 | Method and system for deep dehydration of sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103693841A CN103693841A (en) | 2014-04-02 |
| CN103693841B true CN103693841B (en) | 2015-05-20 |
Family
ID=50355538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310719618.9A Active CN103693841B (en) | 2013-12-24 | 2013-12-24 | Method and system for deep dehydration of sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103693841B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936257B (en) * | 2014-04-22 | 2016-09-14 | 湖南大学 | The movable type sludge dehydration device of a kind of band modified-reaction device and dewatering |
| CN105060677A (en) * | 2015-08-31 | 2015-11-18 | 张家港市清源水处理有限公司 | Sludge modulating system and method for sewage treatment |
| CN106316040A (en) * | 2015-09-09 | 2017-01-11 | 无锡亮慧环保机械有限公司 | Novel intelligent sludge filter bed |
| CN105399303B (en) * | 2015-12-17 | 2018-10-02 | 李秋芬 | A kind of explosion-proof durable sludge dewatering equipment |
| CN105461189A (en) * | 2015-12-28 | 2016-04-06 | 上海中信水务产业有限公司 | Combined sludge deep dehydration system and deep dehydration technique |
| CN108658414B (en) * | 2017-03-31 | 2024-06-07 | 广州正晟科技有限公司 | Sludge concentration and conditioning device and method for treating sludge by using same |
| CN108654165B (en) * | 2017-03-31 | 2024-06-18 | 广州正晟科技有限公司 | Filtering device, sludge concentration and conditioning device and method using same |
| CN108503189A (en) * | 2018-05-29 | 2018-09-07 | 湖南海鑫环保科技有限公司 | A kind of U-shaped superposing type multitube multistage sludge treatment device |
| CN108862508A (en) * | 2018-06-27 | 2018-11-23 | 王程 | A kind of school's dormitory water treatment facilities |
| CN113354245A (en) * | 2021-04-24 | 2021-09-07 | 杭州国泰环保科技股份有限公司 | Half-dry sludge dewatering treatment device |
| CN113250979B (en) * | 2021-05-11 | 2023-07-04 | 河北骞海鼓风机有限公司 | Axial flow fan |
| CN114931801B (en) * | 2022-05-23 | 2023-08-29 | 江苏菲力环保工程有限公司 | Quick conveyor of viscous sludge |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022691A (en) * | 1975-12-18 | 1977-05-10 | Hans Jurgen Heinrich | Mixing chamber for thickening sewage sludge by means of a flocculation agent combined with overflow drainage means |
| CN2600432Y (en) * | 2003-02-27 | 2004-01-21 | 西安建筑科技大学 | Integral high-efficient mud-water separator |
| CN101691272A (en) * | 2009-10-01 | 2010-04-07 | 厦门水务集团有限公司 | Sludge dewatering method |
| CN101863611A (en) * | 2010-06-13 | 2010-10-20 | 东南大学 | Method for deeply dehydrating sludge |
| CN102229380A (en) * | 2011-06-14 | 2011-11-02 | 李正峰 | Spiral body supporting device |
| CN202247414U (en) * | 2011-08-09 | 2012-05-30 | 海尔集团公司 | Self-cleaning filter for washing machine capable of circularly washing and washing machine thereof |
| CN202358655U (en) * | 2011-03-12 | 2012-08-01 | 刘素华 | Environment-friendly and energy-saving efficient feeder for rolling rake |
| CN202460233U (en) * | 2011-07-26 | 2012-10-03 | 浙江建华集团过滤机有限公司 | Rapid subsection type filter press |
| CN102765585A (en) * | 2012-08-15 | 2012-11-07 | 江苏申港锅炉有限公司 | Spiral conveying device |
| CN202576190U (en) * | 2012-05-03 | 2012-12-05 | 大连迈克环境科技工程有限公司 | Combined sludge deep dehydration device |
| CN102815850A (en) * | 2012-08-01 | 2012-12-12 | 浙江捷丰环保技术工程有限公司 | Method of filter-pressing sludge of concentration tank and septic tank of sewage plant |
| CN103159392A (en) * | 2013-03-29 | 2013-06-19 | 江苏涞森环保设备有限公司 | Mixing flocculating device in sludge treatment system |
| CN103215450A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Device for recovering residues produced by medical support laser processing |
| CN203625222U (en) * | 2013-12-24 | 2014-06-04 | 华新环境工程有限公司 | Deep dehydration system for sludge |
-
2013
- 2013-12-24 CN CN201310719618.9A patent/CN103693841B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022691A (en) * | 1975-12-18 | 1977-05-10 | Hans Jurgen Heinrich | Mixing chamber for thickening sewage sludge by means of a flocculation agent combined with overflow drainage means |
| CN2600432Y (en) * | 2003-02-27 | 2004-01-21 | 西安建筑科技大学 | Integral high-efficient mud-water separator |
| CN101691272A (en) * | 2009-10-01 | 2010-04-07 | 厦门水务集团有限公司 | Sludge dewatering method |
| CN101863611A (en) * | 2010-06-13 | 2010-10-20 | 东南大学 | Method for deeply dehydrating sludge |
| CN202358655U (en) * | 2011-03-12 | 2012-08-01 | 刘素华 | Environment-friendly and energy-saving efficient feeder for rolling rake |
| CN102229380A (en) * | 2011-06-14 | 2011-11-02 | 李正峰 | Spiral body supporting device |
| CN202460233U (en) * | 2011-07-26 | 2012-10-03 | 浙江建华集团过滤机有限公司 | Rapid subsection type filter press |
| CN202247414U (en) * | 2011-08-09 | 2012-05-30 | 海尔集团公司 | Self-cleaning filter for washing machine capable of circularly washing and washing machine thereof |
| CN103215450A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Device for recovering residues produced by medical support laser processing |
| CN202576190U (en) * | 2012-05-03 | 2012-12-05 | 大连迈克环境科技工程有限公司 | Combined sludge deep dehydration device |
| CN102815850A (en) * | 2012-08-01 | 2012-12-12 | 浙江捷丰环保技术工程有限公司 | Method of filter-pressing sludge of concentration tank and septic tank of sewage plant |
| CN102765585A (en) * | 2012-08-15 | 2012-11-07 | 江苏申港锅炉有限公司 | Spiral conveying device |
| CN103159392A (en) * | 2013-03-29 | 2013-06-19 | 江苏涞森环保设备有限公司 | Mixing flocculating device in sludge treatment system |
| CN203625222U (en) * | 2013-12-24 | 2014-06-04 | 华新环境工程有限公司 | Deep dehydration system for sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103693841A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103693841B (en) | Method and system for deep dehydration of sludge | |
| CN203625222U (en) | Deep dehydration system for sludge | |
| CN201258503Y (en) | Environment protection dredging boat for river | |
| CN204897692U (en) | Mud degree of depth mummification processing system that modifies | |
| CN209277276U (en) | A kind of reservoir drainage pipeline of the hydraulic engineering with choke preventing function | |
| CN104690072A (en) | Kitchen waste recovery and treatment system | |
| CN205974229U (en) | Volute sludge dewaterer | |
| CN102580389A (en) | Method for processing paint slag muck by separating slag muck from water | |
| CN110052474A (en) | Building renewable integrated system | |
| CN116837927A (en) | Intelligent online cleaning system for coal mine water sump | |
| CN210506006U (en) | A water works sludge treatment equipment for environmental protection | |
| CN213172006U (en) | Deep sludge dewatering device | |
| CN201665544U (en) | Energy-efficient solid-liquid separating rotary drum type grid machine | |
| CN204470243U (en) | A kind of lightweight oil groove circulating flushing slag device | |
| CN114505160A (en) | Coal-fired boiler synergistic solid waste recycling direct doping system and working method thereof | |
| CN208055279U (en) | A kind of coal slurry industry | |
| CN209228405U (en) | A kind of system increasing mine sump capacity | |
| CN210117329U (en) | Sludge water treatment system | |
| CN203624419U (en) | Sludge cake conveying blocking-preventing device | |
| CN112777801A (en) | Integrated form sludge water processing system | |
| CN212731227U (en) | Mine sewage treatment edulcoration device | |
| CN220845793U (en) | Wastewater treatment system of distributed kitchen waste treatment equipment | |
| CN205287816U (en) | Energy -conserving frequency conversion gyration grating de -dirt machine | |
| CN215480203U (en) | Coal mine sewage treatment device for coal mine production | |
| CN212524453U (en) | Sediment device is arranged with arranging to hydraulic engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |