CN203625222U - Deep dehydration system for sludge - Google Patents
Deep dehydration system for sludge Download PDFInfo
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- CN203625222U CN203625222U CN201320855887.3U CN201320855887U CN203625222U CN 203625222 U CN203625222 U CN 203625222U CN 201320855887 U CN201320855887 U CN 201320855887U CN 203625222 U CN203625222 U CN 203625222U
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- mud
- sludge
- mud cake
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- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 230000018044 dehydration Effects 0.000 title claims abstract description 28
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 33
- 238000012546 transfer Methods 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 abstract 3
- 239000012535 impurity Substances 0.000 description 16
- 229920000742 Cotton Polymers 0.000 description 15
- 238000007789 sealing Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000003311 flocculating effect Effects 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a deep dehydration system for sludge. The deep dehydration system comprises a modifying agent storage bin (1), a modifying agent conveying device (2), a sludge conditioning tank (3), a second-stage filter 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 discharging bin (9), wherein a modifying agent in the modifying agent storage bin (1) is added into the sludge conditioning tank (3) through the modifying agent conveying device (2); sludge flowing out of the sludge conditioning tank (3) is conveyed into the high-pressure diaphragm plate-and-frame filter press (6) through the high-pressure pump (5); water in the sludge is extruded by the high-pressure diaphragm plate-and-frame filter press (6) to form mud cakes; the mud cakes are conveyed into the mud cake discharging bin (9) through the screw conveying equipment (8) so as to be stored. The deep dehydration system is high in degree of automation, capable of increasing the sludge treatment efficiency and free of secondary pollution of sludge to the environment because the sludge is conveyed in sealed equipment.
Description
Technical field
The utility model relates to field of sludge treatment, more particularly, relates to a kind of deep dehydration system for sludge.
Background technology
Because China's Sewage Plant is in process of construction, " the light mud of heavy water " for a long time, China's urban wastewater treatment firm has been realized the preliminary minimizing of mud substantially, but the stabilization treatment of unrealized mud.According to statistics, at present in disposal options, mainly taking landfill, sludge aerobic fermentation, agricultural, the natural mummification of mud, sludge incineration as main.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 processing.
Urban wastewater treatment firm mud burn or cement kiln synergic processing before, first will be to the mud pre-treatment of dewatering.Primaryly enter to contain the impurity such as cotton yarn in factory's mud, these impurity can stop up sludge carrier pipe road heavy wear equipment, affect operation rate and sludge treatment efficiency.
Utility model content
The technical problems to be solved in the utility model is, a kind of deep dehydration system for sludge is provided, and can effectively reduce the moisture in mud, and collects the mud cake after dehydration, and the while can be filtered the impurity such as the cotton yarn in mud, has improved sludge treatment efficiency.
The utility model solves the technical scheme that its technical problem adopts: construct 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, in the modified tank of described mud, be provided with agitating vane and filtering net, the mud flowing out from the modified tank of described mud is delivered in autoclave diaphragm plate-and-frame filter press by described high-pressure pump, the moisture in described mud is extracted formation mud cake by described autoclave diaphragm plate-and-frame filter press, mud cake is delivered to the storage of mud cake discharge bin by screw conveyor, 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 the first spiral reamer is arranged in housing, described shell nozzle place is provided with flange, one end of the turning axle of described the first spiral reamer is extended and is passed 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 radially setting along the modified tank of described mud.
In such scheme, described two-stage filter comprises the filter cartridge being 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 filter plate is along described cross beam movement described in described hydraulic pump drive, and the tow sides of described filter plate are surrounded by filter cloth; While changing filter cloth, gapped between two adjacent filter plates, between described two adjacent filter plates, be provided with gag lever post, 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 the second spiral reamer, described pendent axis apparatus comprises hanging wheel and arm, the turning axle of described the 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, is provided with and piles up sludge removal device in described transfer passage, and its concrete structure is: described hanging wheel top is connected on hanging beam unsettled hanging wheel by least three arms; On at least one side transfer passage sidewall of hanging wheel top correspondence, high pressure spray nozzle is set, high pressure spray nozzle injection direction is just to transfer passage bottom; 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 of mud cake storehouse and below, mud cake storehouse, and discharging hopper outlet is docked with outer shipping unit; Mud cake discharge shutter is set between mud cake discharge bin and discharging hopper, and mud cake discharge shutter is closure plate along the front end of working direction, and closure plate is sealed mud cake discharge bin bottom discharge openings in the time of 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 shrinking from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate foremost spacing distance be the sludge blockage space of setting, described sludge blockage space makes closure plate seal in closed position and by mud cake discharge bin bottom discharge openings.
Implement deep dehydration system for sludge of the present utility model, there is following beneficial effect:
1, mud and properties-correcting agent react in modified tank, to the mud modification of flocculating, be convenient to follow-up autoclave diaphragm plate-and-frame filter press mud is carried out to deep dehydration processing, the mud cake after dehydration is stored in mud cake discharge bin, then shifts by outer shipping units such as lorries.Mud cake after dehydration can be for manufacture of cement, has improved its economic worth.
2, in the modified tank of mud, be provided with filtering net, and the exit of modified tank is also provided with two-stage filter, the winding wearing and tearing of cotton yarn impurity to Stirring blade are reduced, 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 artificial frequent cleaning, dredging, improve operation rate and working efficiency.
3, the utility model level of automation is high, has improved sludge treatment efficiency, and mud sealing equipment in transmit, can not produce secondary pollution to environment.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model deep dehydration system for sludge;
Fig. 2 is the structural representation of properties-correcting agent e Foerderanlage;
Fig. 3 is that A in Fig. 2 is to local enlarged diagram;
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
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the utility model 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, in the modified tank 3 of mud, be provided with agitating vane 302 and filtering net 303, the mud flowing out from the modified tank 3 of mud is delivered in autoclave diaphragm plate-and-frame filter press 6 by high-pressure pump 5, autoclave diaphragm plate-and-frame filter press 6 is extruded the moisture in mud, 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, to the mud modification of flocculating, be convenient to follow-up autoclave diaphragm plate-and-frame filter press 6 mud is carried out to deep dehydration processing, and the mud cake after dehydration is stored in mud cake discharge bin 9, then shifts by lorry.Mud cake after dehydration can be for the production of cement, has improved its economic worth.In the modified tank 3 of mud, be provided with filtering net 303, and the exit of modified tank 3 is also provided with two-stage filter 4, the winding wearing and tearing of cotton yarn impurity to Stirring blade 302 are reduced, 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 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 openings.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 through flange 204 and extend out to housing 201 outsides.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 utility model extends to housing 201 outsides bearing, and bearing and the first spiral reamer 202 are isolated by flange 204, prevent that limestone powder from falling into bearing, avoid running out bearing, and have improved the work-ing life of bearing.
Between turning axle 203 and flange 204, can also be provided with tightness system, tightness system comprises the first sealing member 207, the second sealing member 209 and the gasket 208 that are sleeved on turning axle 203 outsides.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, the second sealing members 209 and is positioned at housing 201 outsides, 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 is arranged on rotating shaft 301, agitating vane 302 and the filtering net 303 in tank body 304.
Agitating vane 302 is fixed in rotating shaft 301, between agitating vane 302 and the inwall of tank body 304, is provided with filtering net 303.Filtering net 303 is parallel to rotating shaft 301 and the radially setting along tank body 304, and mud can pass through filtering net 303 while rotation.When rotating, agitating vane 302 can drive mud to rotate, mud is in modified process, the impurity such as cotton yarn can be wrapped on filtering net 303, the winding wearing and tearing of these impurity to Stirring blade 302 are reduced, 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, saved production cost, without 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 inserts in tank body 304 by installing port.The top of filtering net 303 is provided with end plate, and end plate is positioned at installing port top.In the present embodiment, filtering net 303 is plugged in tank body 304, convenient to remove, is convenient to cleaning.Gapped between the both sides of filtering net 303 and tank body 304 and agitating vane 302, can not affect the normal rotation of agitating vane 302, reduce as much as possible the barrier force of filtering net 303 simultaneously.Rotating shaft 301 is provided with multiple spaced agitating vanes 302, has strengthened stirring capacity, has improved the modified efficiency of mud.
As shown in Figure 5, further, two-stage filter 4 comprises the filter cartridge 401 being 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 filter cartridge 401 interior mud.
By at the front installation pectination of high-pressure pump 5 filtering net 402, chad, cotton yarn etc. in mud can be had to wearing and tearing, the influential material of mud cake press filtration is filtered, deposited, to protect high-pressure pump 5 follow-up equipments such as grade high-pressure pump 5.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, reduce the stopping state of these impurity to sludge carrier pipe road and high-pressure pump 5, reduced maintenance of equipment rate, saved production cost, without artificial frequent cleaning, dredging transport pipe, improve operation rate and working efficiency.
Pectination filtering net 402 comprises mounting plate and be arranged on the broach on mounting plate, and filter cartridge 401 inwalls are provided with draw-in groove, and mounting plate inserts in draw-in groove fixing.Pectination filtering net 402 easy accessibility, are convenient to take out cleaning.On broach, dendritic thin bar can also be set, be convenient to be wound around cotton yarn.The top of filter cartridge 401 is provided with case lid, and case lid is hinged by hinge and filter cartridge 401, and case lid can be by latch locking on filter cartridge 401, opens 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.
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.Hanging beam 802 is set in transfer passage 7, and arm 804 is fixed on hanging beam 802.In transfer passage 7, be provided with and pile up sludge removal device, its concrete structure is: hanging wheel 803 tops are connected on hanging beam 802 unsettled hanging wheel 803 by least three arms 804; On at least one side transfer passage 7 sidewalls of hanging wheel 803 top correspondences, high pressure spray nozzle 805 is set, high pressure spray nozzle 805 injection directions are just to transfer passage 7 bottoms; High pressure spray nozzle 805 is communicated with high-pressure water tank 10 by control valve 806.
Optimize, along the transfer passage 7 even intervals of bearing of trend, multiple hanging wheels 803 are set, the distribution that is in line of multiple hanging wheels 803.On at least one side transfer passage 7 sidewalls of each hanging wheel 803 top correspondences, high pressure spray nozzle 805 is all set.In preferred embodiment, at least one high pressure spray nozzle 805 is set on transfer passage 7 sidewalls.Along transfer passage 7 bearing of trends, the second spiral reamer 801 conveying axis arrange spiral reamer blade at hanging wheel 803 even intervals, both sides.Three arms 804 of each hanging wheel 803 tops are separately positioned on two ends and the midpoint on corresponding hanging beam 802.Transfer passage 7 is also connected with pneumatic line 11, is ventilated and is convenient to the dry of mud cake and falls by compression.
In following specific embodiment, spiral transmission equipment overall length 12m, stable for whole the second spiral reamer 801, need be in centre to increase support in addition firm to it at about 6m place.On axial cross section, the support that was originally positioned at lower end has reduced mud cake by space, has hindered mud cake conveying, causes mud to pile up herein.At 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 increased 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 of mud cake storehouse 901 and 901 belows, mud cake storehouse.Discharging hopper 903 outlets are docked with outer shipping unit; Between mud cake storehouse 901 and discharging hopper 903, mud cake discharge shutter 902 is set, mud cake discharge shutter 902 is closure plate 9022 along the front end of working direction, and closure plate 9022 is sealed mud cake storehouse 901 bottom discharge openings in the time of closed position; Mud cake discharge shutter 902 transmission shafts 9023 are driven by reducing motor; Discharging hopper 903 outer suitable for reading and mud cake discharge shutter 902 front end adjacents extend out setpoint distance, form the outer sidewall skewed slot shrinking from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate 9022 foremost spacing distance be the sludge blockage space of setting, described sludge blockage space makes closure plate 9022 in closed position and by the 901 bottom discharge openings sealings of mud cake storehouse.
Mud cake discharge shutter 902 is frame plate 9021 along the rear end of working direction, alleviates valve plate weight in the situation that ensureing rigidity.Be pushed into and add wealthy skewed slot by flashboard by mud cake hopper outer being added to wealthy, stuck mud, and leak 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 has reduced maintenance of equipment rate, has saved production cost; Simultaneously because the sludge blockage space arranging is greater than actual sludge blockage amount, thereby without labor cleaning's mud, improve operation rate and working efficiency.
The utility model also provides a kind of method of deeply dehydrating sludge, comprises the following steps:
S1, former raw sludge and properties-correcting agent are joined in the modified tank of mud.In the present embodiment, select unslaked lime and iron trichloride as properties-correcting agent, 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, to the mud modification of flocculating, be convenient to follow-up autoclave diaphragm plate-and-frame filter press mud is carried out to deep dehydration processing.In the modified tank of mud, be provided with filtering net mud is carried out to primary filter, the impurity such as cotton yarn are wrapped on filtering net, have reduced the winding wearing and tearing of cotton yarn impurity to Stirring blade.
Step S2 further comprises:
Step S21, moisture Sewage Plant wet mud is diluted to 92～94% water ratio;
Step S22, add iron trichloride as inorganic molysite coagulating agent, consumption is controlled at the wet mud of 30～50kg/ ton, fully stirs 5～10min;
Step S23, add unslaked lime as inorganic coagulant aids, consumption is controlled at the wet mud of 60～120kg/ ton, fully stirs 30～60min.
S3, the mud flowing out is carried out to cascade filtration 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, saved production cost, without 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 water ratio and be about 50% mud cake.
S4, mud cake is delivered to the storage of mud cake discharge bin by screw conveyor, mud cake shifts by lorry.Mud cake after dehydration can be for the production of cement, has improved its economic worth.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (7)
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), in the modified tank of described mud (3), be provided with agitating vane (302) and filtering net (303), the mud flowing 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), described autoclave diaphragm plate-and-frame filter press (6) is extruded the moisture in described mud, form mud cake, mud cake is delivered to mud cake discharge bin (9) storage by screw conveyor (8), described two-stage filter (4) is positioned between the modified tank of described mud (3) and high-pressure pump (5).
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 the 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 the first spiral reamer (202) is extended and is passed described flange (204) and 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) being arranged on high-pressure pump (5) front-end pipelines, in described filter cartridge (401), be provided with pectination filtering net (402), described pectination filtering net (402) is vertical with the flow direction of the interior mud of described filter cartridge (401).
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; While changing filter cloth, gapped between two adjacent filter plates (602), between described two adjacent filter plates (602), be provided with gag lever post (605), 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 the second spiral reamer (801), described pendent axis apparatus comprises hanging wheel (803) and arm (804), the turning axle of described the 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), in described transfer passage (7), be provided with and pile up sludge removal device, its concrete structure is: described hanging wheel (803) top is connected on hanging beam (802) unsettled hanging wheel (803) by least three arms (804); On at least one side transfer passage (7) sidewall of hanging wheel (803) top correspondence, high pressure spray nozzle (805) is set, 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).
7. deep dehydration system for sludge according to claim 1, is characterized in that, 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; Between mud cake discharge bin (9) and discharging hopper (903), mud cake discharge shutter (902) is set, mud cake discharge shutter (902) is closure plate (9022) along the front end of working direction, and closure plate (9022) is sealed mud cake discharge bin (9) bottom discharge openings in the time of 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 shrinking from top to bottom; Outer sidewall skewed slot extend out inwall and closure plate (9022) foremost spacing distance be the sludge blockage space of setting, described sludge blockage space makes closure plate (9022) seal in closed position and by mud cake discharge bin (9) bottom discharge openings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320855887.3U CN203625222U (en) | 2013-12-24 | 2013-12-24 | Deep dehydration system for sludge |
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| CN201320855887.3U CN203625222U (en) | 2013-12-24 | 2013-12-24 | Deep dehydration system for sludge |
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| CN203625222U true CN203625222U (en) | 2014-06-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693841A (en) * | 2013-12-24 | 2014-04-02 | 华新环境工程有限公司 | Method and system for deep dehydration of sludge |
| CN104445853A (en) * | 2014-10-25 | 2015-03-25 | 陈列鑫 | Method and equipment for realizing deep dehydration of sludge by using straws and sawdust |
| CN104445854A (en) * | 2014-10-25 | 2015-03-25 | 傅小娟 | Sludge dewatering method and equipment |
| CN105884155A (en) * | 2014-12-08 | 2016-08-24 | 季华林 | River mud dehydrator |
| CN107954590A (en) * | 2017-12-08 | 2018-04-24 | 廖小丽 | Sludge treatment device for hydraulic engineering |
| 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 |
-
2013
- 2013-12-24 CN CN201320855887.3U patent/CN203625222U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693841A (en) * | 2013-12-24 | 2014-04-02 | 华新环境工程有限公司 | Method and system for deep dehydration of sludge |
| CN103693841B (en) * | 2013-12-24 | 2015-05-20 | 华新环境工程有限公司 | Method and system for deep dehydration of sludge |
| CN104445853A (en) * | 2014-10-25 | 2015-03-25 | 陈列鑫 | Method and equipment for realizing deep dehydration of sludge by using straws and sawdust |
| CN104445854A (en) * | 2014-10-25 | 2015-03-25 | 傅小娟 | Sludge dewatering method and equipment |
| CN104445853B (en) * | 2014-10-25 | 2017-03-08 | 丁海港 | A kind of method and apparatus realizing deeply dehydrating sludge with straw and wood flour |
| CN105884155A (en) * | 2014-12-08 | 2016-08-24 | 季华林 | River mud dehydrator |
| CN107954590A (en) * | 2017-12-08 | 2018-04-24 | 廖小丽 | Sludge treatment device for hydraulic engineering |
| CN107954590B (en) * | 2017-12-08 | 2021-03-23 | 廖小丽 | Sludge treatment device for hydraulic engineering |
| 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 |
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