CN114751619A - Method and equipment for two-stage integrated deep dehydration of municipal sludge - Google Patents
Method and equipment for two-stage integrated deep dehydration of municipal sludge Download PDFInfo
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- CN114751619A CN114751619A CN202111280779.3A CN202111280779A CN114751619A CN 114751619 A CN114751619 A CN 114751619A CN 202111280779 A CN202111280779 A CN 202111280779A CN 114751619 A CN114751619 A CN 114751619A
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- sludge
- water
- municipal sludge
- sliding
- filter
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- 239000010802 sludge Substances 0.000 title claims abstract description 72
- 230000018044 dehydration Effects 0.000 title claims abstract description 42
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000001680 brushing effect Effects 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000005507 spraying Methods 0.000 claims description 25
- 238000010862 gear shaping Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 17
- 238000005201 scrubbing Methods 0.000 claims description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 5
- 208000005156 Dehydration Diseases 0.000 description 32
- 230000009467 reduction Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/38—Removal of the filter cakes by moving parts, e.g. scrapers, contacting stationary filter elements sprayers
- B01D25/383—Brushes
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a method and equipment for two-stage integrated deep dehydration of municipal sludge, which comprises the following steps; s1, adding a certain amount of flocculant into the municipal sludge to be treated, uniformly mixing the flocculant and the sludge, and standing; s2, pumping out the sewage after the standing in the step S1 to obtain water-containing sludge; s3, pumping the water-containing sludge into a primary dewatering device for primary dewatering to obtain dewatered sludge containing a certain proportion of water; and S4, conveying the dewatered sludge to deep dewatering equipment for deep dewatering to obtain a mud cake. According to the invention, through arranging the deep dehydration equipment, the filter plate can be cleaned, so that the dehydration equipment can keep an efficient dehydration effect, and the problems that the existing municipal sludge is not dehydrated thoroughly, the water content of the sludge is high after the sludge is subjected to filter pressing to form a mud cake, bacteria are easy to breed, the existing sludge dehydration equipment is blocked by the sludge frequently in the use process, and the dehydration effect of the dehydration equipment is easy to reduce are solved.
Description
Technical Field
The invention belongs to the technical field of municipal sludge treatment, and particularly relates to a method and equipment for two-stage integrated deep dehydration of municipal sludge.
Background
Sludge treatment is a process of carrying out reduction, stabilization and harmless treatment on sludge. The higher the degree of sewage treatment, the more sludge residues are generated to be treated, and the problems of the prior art are that: the dehydration of current municipal sludge is thorough inadequately, and mud is higher after the filter-pressing becomes the mud cake, breeds the bacterium easily, and current sludge dewatering equipment can often be blockked up by mud in the use, reduces dewatering equipment's dehydration effect easily.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method and equipment for carrying out two-stage integrated deep dehydration on municipal sludge, which have the advantages of cleaning a filter plate and keeping the efficient dehydration effect of the dehydration equipment, and solve the problems that the existing municipal sludge is not dehydrated thoroughly, the water content of the sludge is high after the sludge is subjected to filter pressing into a mud cake, bacteria are easy to breed, and the existing sludge dehydration equipment is blocked by the sludge frequently in the using process, so that the dehydration effect of the dehydration equipment is easy to reduce.
The invention is realized in this way, a method and apparatus for two-stage integrated deep dehydration of municipal sludge, comprising the following steps;
s1, adding a certain amount of flocculant into the municipal sludge to be treated, uniformly mixing the flocculant and the sludge, and standing;
s2, pumping out the sewage after standing in the step S1 to obtain water-containing sludge;
s3, pumping the water-containing sludge into a primary dewatering device for primary dewatering to obtain dewatered sludge containing a certain proportion of water;
and S4, conveying the dewatered sludge to deep dewatering equipment for deep dewatering to obtain a mud cake.
Preferably, the deep dehydration equipment in step S3 includes a frame, a filter press arranged on the frame, a plurality of filter plates arranged on the filter press, and a cleaning device arranged on the frame and used for cleaning the filter plates; the cleaning device comprises a support arranged above the filter press, a spray pipe used for supplying water to the filter plate, a scrubbing component arranged on the support and matched with the spray pipe, a reservoir arranged at the bottom of the frame and a traction component used for adjusting the position of the filter plate.
Preferably, the brushing part comprises a fixed seat arranged on the bracket, two fixed blocks arranged on the fixed seat, a telescopic rod arranged on the fixed blocks, a brushing plate arranged at the bottom of the telescopic rod, and an adjusting part for adjusting the distance between the two fixed blocks.
Preferably, the brushing plates comprise a plate body, connecting parts arranged at two ends of the top of the plate body, a V-shaped part arranged at the bottom of the plate body and brushes arranged on one side of the brushing plates, and the brushes on the two brushing plates are arranged oppositely.
Preferably, the plate body is internally provided with a cavity, the cavity is connected with a water spraying pipe, one side of the cavity facing the hairbrush is provided with water spraying holes, the water spraying holes are in a conical shape with a large inside and a small outside, the water spraying holes are obliquely and downwards arranged, and the water spraying directions of the adjacent water spraying holes are staggered.
Preferably, one side of the bottom of the V-shaped portion is provided with an inclined portion.
Preferably, the adjusting part comprises a bidirectional screw penetrating through the two fixing blocks, a screw groove arranged in the fixing blocks and matched with the bidirectional screw, a guide rod arranged in the fixing seat, a guide groove arranged in the fixing blocks and a locking part arranged at one end of the bidirectional screw, wherein the guide rod is connected with the guide groove in a sliding manner.
Preferably, the locking component comprises a rotary table fixedly arranged on the bidirectional screw, a plurality of ratchet grooves arranged on the rotary table, a mounting block arranged on the fixed seat, a sliding groove arranged in the mounting block, a sliding block arranged in the sliding groove, gear shaping arranged at the bottom end of the sliding block and matched with the ratchet grooves, a spring arranged in the sliding groove, and an unlocking component used for disengaging the gear shaping from the ratchet grooves, wherein the gear shaping is meshed with the ratchet grooves.
Preferably, the unlocking member includes a strip-shaped groove formed in the mounting block, a push block fixedly disposed on the slider, and a stripe portion formed on one side of the push block, and the push block penetrates through the strip-shaped groove.
Preferably, the traction component comprises guide rails arranged on two sides of the filter press, sliding seats arranged on the guide rails, a speed reduction motor arranged in the sliding seats, two travelling wheels connected with the speed reduction motor, lifting grooves arranged on the sliding seats, lifting plates arranged in the lifting grooves in a sliding manner, two clamping plates arranged on the lifting plates and a cylinder for adjusting the height of the lifting plates; the walking wheels are connected with the guide rails in a sliding mode, and the two clamping plates are arranged oppositely.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through arranging the deep dehydration equipment, the filter plate can be cleaned, so that the dehydration equipment can keep an efficient dehydration effect, and the problems that the existing municipal sludge is not dehydrated thoroughly, the water content of the sludge is high after the sludge is subjected to filter pressing to form a mud cake, bacteria are easy to breed, the existing sludge dehydration equipment is blocked by the sludge frequently in the use process, and the dehydration effect of the dehydration equipment is easy to reduce are solved.
2. According to the invention, by arranging the frame, the filter press, the filter plates and the cleaning device, the filter press can be directly purchased from the market, the primary dehydration equipment can be directly purchased from the market, the plurality of filter plates are arranged on the filter press in a sliding manner, and the cleaning device can clean the filter plates on the filter press, so that the filter plates are prevented from being blocked after being used for a long time; through setting up belt cleaning device, the support is located the top of pressure filter, can make things convenient for the installation of spray pipe and scrubbing part, and the cistern can be collected the waste water after the brush washing, avoids polluting.
3. According to the invention, the brushing part is arranged, the fixed seat is arranged on the bracket, the two fixed blocks are arranged at the bottom of the fixed seat, the two telescopic rods are arranged on each fixed block, the telescopic rods can be directly purchased from the market, the brushing plate is arranged at the bottom end of the telescopic rods, the distance between the two brushing plates is larger than the width of the filter plate, the two sides of the filter plate can be brushed, and excessive impurities can be prevented from being accumulated on the filter plate.
4. According to the invention, the brushing plates are arranged, the connecting parts are positioned at two sides of the top of the plate body, so that the brushing plates can be conveniently connected with the telescopic rod, the V-shaped part is positioned at the bottom of the plate body and is at least one, so that the contact area between the brushing plates and the filter plate can be increased, the cleaning effect is improved, and the brush is arranged at one side of the brushing plates close to the filter plate, so that the cleaning effect of the filter plate can be further improved.
5. According to the invention, the cavity and the water spray holes are arranged, the cavity is connected with the water spray pipe through the flexible pipeline, the water spray holes can wash the filter plate, the conical water spray holes can improve the flow velocity of sprayed water, the washing force can be improved, the filter plate can be cleaned more thoroughly, the coverage area of the water spray holes can be increased by the water spray holes arranged in a staggered mode, and the cleaning effect of the board can be further improved.
6. According to the invention, the inclined part is arranged on one side of the plate body facing the filter plate, so that two brushing plates can be conveniently moved to two sides of the filter plate, and the filter plate of the filter press can be conveniently cleaned.
7. According to the invention, the adjusting part is arranged, the adjusting part can be adjusted according to the width of the filter plate, the spiral directions of the screw grooves on the two fixed blocks are opposite, the bidirectional screw rods are respectively in threaded connection with the two screw grooves, the two fixed blocks can be driven to mutually approach and separate by the rotation of the bidirectional screw rods, the distance between the two fixed blocks is convenient to adjust, the adjusting part can be adjusted according to the width of the filter plate, and the guide rod and the guide groove can guide the movement of the two fixed blocks, so that the movement of the two fixed blocks is more stable.
8. According to the invention, the locking component is arranged, the rotary table is fixedly connected to the bidirectional screw rod, the plurality of ratchet grooves are continuously formed in the rotary table, the mounting block is fixedly mounted on the fixed seat, the sliding groove is formed in the mounting block, the sliding block is slidably connected with the sliding groove, part of the sliding block extends to the outer side of the mounting block, the gear shaping is positioned at the tail end of the sliding block and is meshed with the ratchet grooves, the ratchet grooves are obliquely arranged, so that the unidirectional rotation of the bidirectional screw rod can be facilitated, and the spring can tightly clamp the ratchet grooves through the gear shaping, so that the two fixing blocks can be conveniently fixed.
9. According to the invention, the unlocking component is arranged, the strip-shaped groove extends to the outer side of the mounting block, the push block is fixedly connected with the sliding block and extends to the outer side of the mounting block, the push block is pushed to compress the spring, so that the gear shaping is conveniently separated from the ratchet groove, the reverse adjustment of the two fixing blocks is facilitated, the strip part can increase the friction of the push block, the gear shaping is conveniently fixed on the ratchet groove, and the push block and the bidirectional screw rod can be driven by adopting a cylinder, a motor and the like.
10. According to the invention, the traction part is arranged, the two guide rails are respectively positioned at two sides of the filter press, the sliding seat is arranged on the guide rails and can slide on the guide rails, the speed reduction motor and the air cylinder can be directly purchased from the market, the speed reduction motor is connected with the traveling wheels, the traveling wheels can facilitate the sliding of the sliding seat on the guide rails, the lifting groove is positioned at the middle upper part of the sliding seat, the lifting plate is connected with the lifting groove in a sliding manner, the air cylinder can drive the lifting plate to lift, the two clamping plates are oppositely arranged and can clamp the filter plate, and the filter plate can be conveniently driven to move between the two scrubbing plates.
Drawings
FIG. 1 is a schematic structural diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 according to one embodiment of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3 according to one embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2 according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the point B in FIG. 5 according to one embodiment of the present invention;
FIG. 7 is an enlarged view of the point C in FIG. 6 according to one embodiment of the present invention;
FIG. 8 is an enlarged view of D of FIG. 6 according to one embodiment of the present invention;
FIG. 9 is a cross-sectional view taken at C-C of FIG. 2 according to one embodiment of the present invention;
FIG. 10 is an enlarged view at E in FIG. 9 according to one embodiment of the present invention;
FIG. 11 is a schematic diagram of a brushing plate structure according to an embodiment of the present invention;
FIG. 12 is a front view provided by a second embodiment of the present invention;
fig. 13 is an enlarged view at F in fig. 12 according to the second embodiment of the present invention.
In the figure: 11. a frame; 12. a filter press; 13. filtering the plate; 141. a support; 142. a water spray pipe; 144. a reservoir; 21. a fixed seat; 22. a fixed block; 23. a telescopic rod; 24. brushing and washing the plate; 241. a plate body; 242. a connecting portion; 243. a V-shaped portion; 244. a brush; 245. a cavity; 246. a water spray hole; 247. an inclined portion; 22. a fixed block; 31. a bidirectional screw; 32. a screw groove; 33. a guide bar; 34. a guide groove; 41. a turntable; 42. a ratchet groove; 43. mounting blocks; 44. a chute; 45. a slider; 46. gear shaping; 47. a spring; 51. a strip-shaped groove; 52. a push block; 53. a stripe portion; 61. a guide rail; 62. a sliding seat; 63. a reduction motor; 64. a traveling wheel; 65. a lifting groove; 66. a lifting plate; 67. clamping a plate; 68. a cylinder; 7. a pressing part.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
As shown in FIGS. 1 to 11, the method and the device for two-stage integrated deep dehydration of municipal sludge provided by the embodiment of the invention comprise the following steps;
s1, adding a certain amount of flocculant into the municipal sludge to be treated, uniformly mixing the flocculant and the sludge, and standing;
s2, pumping out the sewage after standing in the step S1 to obtain water-containing sludge;
s3, pumping the water-containing sludge into a primary dewatering device for primary dewatering to obtain dewatered sludge containing a certain proportion of water;
and S4, conveying the dehydrated sludge to deep dehydration equipment for deep dehydration to obtain a mud cake.
Referring to fig. 1, the deep dehydration apparatus described in step S3 includes a frame 11, a filter press 12 disposed on the frame 11, a plurality of filter plates 13 disposed on the filter press 12, and a cleaning device disposed on the frame 11 and used for cleaning the filter plates 13; the cleaning device comprises a bracket 141 arranged above the filter press 12, a spray pipe 142 used for supplying water to the filter plate 13, a brushing part arranged on the bracket 141 and matched with the spray pipe 142, a water reservoir 144 arranged at the bottom of the frame 11 and a traction part used for adjusting the position of the filter plate 13.
Adopt above-mentioned scheme: by arranging the frame 11, the filter press 12, the filter plates 13 and the cleaning device, the filter press 12 can be directly purchased from the market, the primary dehydration equipment can be dehydration equipment directly purchased from the market, the plurality of filter plates 13 are arranged on the filter press 12 in a sliding manner, and the cleaning device can clean the filter plates 13 on the filter press 12, so that the filter plates 13 are prevented from being blocked after being used for a long time; by arranging the cleaning device, the bracket 141 is positioned above the filter press 12, so that the installation of the spray pipe 142 and the brushing part can be facilitated, and the reservoir 144 can collect the wastewater after the brushing so as to avoid pollution.
Referring to fig. 1, the brushing part includes a fixing base 21 disposed on the bracket 141, two fixing blocks 22 disposed on the fixing base 21, an expansion link 23 disposed on the fixing block 22, a brushing plate 24 disposed at the bottom of the expansion link 23, and an adjusting part for adjusting the distance between the two fixing blocks 22.
Adopt above-mentioned scheme: through setting up the scrubbing unit, fixing base 21 installs on support 141, and two fixed blocks 22 are installed in the bottom of fixing base 21, installs two telescopic links 23 on every fixed block 22, and telescopic link 23 can be directly purchased from the market, and scrubbing plate 24 installs the bottom at telescopic link 23, and the interval between two scrubbing plates 24 is greater than the width of filter plate 13, can scrub the both sides of filter plate 13, can prevent to pile up too much impurity on the filter plate 13.
Referring to fig. 10 and 11, the cleaning plate 24 includes a plate body 241, connecting portions 242 disposed at two ends of the top of the plate body 241, a V-shaped portion 243 disposed at the bottom of the plate body 241, and brushes 244 disposed at one side of the cleaning plate 24, wherein the brushes 244 of the two cleaning plates 24 are disposed opposite to each other.
The scheme is adopted: through setting up the scrubbing board 24, connecting portion 242 is located the both sides at plate body 241 top, can make things convenient for the scrubbing board 24 to link to each other with telescopic link 23, and V-arrangement portion 243 is located the bottom of plate body 241 and is one at least, can increase the area of contact between scrubbing board 24 and the filter plate 13, improves the cleaning performance, and brush 244 is installed in one side that the scrubbing board 24 is close to the filter plate 13, can further improve the cleaning performance of filter plate 13.
Referring to fig. 10, a cavity 245 is formed inside the plate body 241, the cavity 245 is connected to the water spraying pipe 142, a water spraying hole 246 is formed in a side of the cavity 245 facing the brush 244, the water spraying hole 246 is tapered with a large inside and a small outside, the water spraying hole 246 is inclined downward, and the water spraying directions of the adjacent water spraying holes 246 are staggered.
Adopt above-mentioned scheme: through setting up cavity 245 and hole for water spraying 246, cavity 245 links to each other with spray pipe 142 through flexible pipeline, and hole for water spraying 246 can wash filter plate 13, and conical hole for water spraying 246 can improve the velocity of flow of spouting water, can improve and wash the dynamics, makes the washing of filter plate 13 more thorough, and the hole for water spraying 246 of crisscross setting 246 can improve the coverage area of hole for water spraying 246, can further improve the cleaning performance of board for washing 24.
Referring to fig. 11, one side of the bottom of the V-shaped portion 243 is provided with an inclined portion 247.
Adopt above-mentioned scheme: by providing the inclined portion 247, the inclined portion 247 is located on one side of the plate body 241 facing the filter plate 13, so that the two brushing plates 24 can be moved to two sides of the filter plate 13 conveniently, and the filter plate 13 of the filter press 12 can be cleaned conveniently.
Referring to fig. 6 and 7, the adjusting part includes a bidirectional screw 31 penetrating through the two fixing blocks 22, a screw groove 32 disposed in the fixing block 22 and engaged with the bidirectional screw 31, a guide rod 33 disposed in the fixing seat 21, a guide groove 34 disposed in the fixing block 22, and a locking part disposed at one end of the bidirectional screw 31, wherein the guide rod 33 is slidably connected to the guide groove 34.
The scheme is adopted: through setting up adjustment unit, can adjust according to the width of filter plate 13, thread groove 32 spiral opposite direction on two fixed blocks 22, two-way screw rod 31 respectively with two thread groove 32 spiro union, two-way screw rod 31 rotates and to drive two fixed blocks 22 and be close to each other and keep away from, conveniently adjust the interval between two fixed blocks 22, can adjust according to the width of filter plate 13, guide arm 33 and guide slot 34 can lead two fixed blocks 22's removal, make two fixed blocks 22's removal more stable.
Referring to fig. 6, the locking member includes a rotary plate 41 fixedly disposed on the bidirectional screw 31, a plurality of ratchet grooves 42 disposed on the rotary plate 41, a mounting block 43 disposed on the fixing base 21, a sliding groove 44 disposed in the mounting block 43, a sliding block 45 disposed in the sliding groove 44, a gear shaping 46 disposed at a bottom end of the sliding block 45 and engaged with the ratchet grooves 42, a spring 47 disposed in the sliding groove 44, and an unlocking member for disengaging the gear shaping 46 from the ratchet grooves 42, wherein the gear shaping 46 is engaged with the ratchet grooves 42.
Adopt above-mentioned scheme: through setting up locking part, carousel 41 links firmly on two-way screw rod 31, a plurality of ratchet grooves 42 are seted up on carousel 41 in succession, installation piece 43 fixed mounting is on fixing base 21, spout 44 is seted up on installation piece 43, slider 45 slides and spout 44 sliding connection, the part of slider 45 extends to the outside of installation piece 43, gear shaping 46 is located the end of slider 45, gear shaping 46 and ratchet groove 42 mesh, ratchet groove 42 is the slope setting, can make things convenient for two-way screw rod 31's unidirectional rotation, spring 47 can be through gear shaping 46 chucking ratchet groove 42, make things convenient for two fixed block 22 fixed.
Referring to fig. 7, the unlocking member includes a strip-shaped groove 51 formed in the mounting block 43, a push block 52 fixedly mounted on the slider 45, and a strip portion 53 formed on one side of the push block 52, and the push block 52 penetrates through the strip-shaped groove 51.
Adopt above-mentioned scheme: through setting up the unblock part, bar groove 51 extends to the outside of installation piece 43, ejector pad 52 links firmly with slider 45, ejector pad 52 extends to the outside of installation piece 43, promote ejector pad 52 and can make the spring 47 compression, make things convenient for breaking away from of gear shaping 46 and ratchet groove 42, make things convenient for the counter regulation of two fixed blocks 22, stripe portion 53 can increase ejector pad 52's friction, make things convenient for gear shaping 46 to fix ratchet groove 42, ejector pad 52 and two-way screw 31 can adopt mode drives such as cylinder, motor.
Referring to fig. 4, the traction component includes guide rails 61 disposed on both sides of the filter press 12, a sliding seat 62 disposed on the guide rails 61, a speed reducing motor 63 disposed in the sliding seat 62, two traveling wheels 64 connected to the speed reducing motor 63, a lifting slot 65 disposed on the sliding seat 62, a lifting plate 66 slidably disposed in the lifting slot 65, two clamping plates 67 disposed on the lifting plate 66, and a cylinder 68 for adjusting the height of the lifting plate 66; the travelling wheels 64 are connected with the guide rails 61 in a sliding mode, and the two clamping plates 67 are arranged oppositely.
Adopt above-mentioned scheme: through setting up the traction component, two guide rails 61 are located the both sides of pressure filter 12 respectively, sliding seat 62 is installed on guide rail 61, can slide on guide rail 61, gear motor 63 and cylinder 68 can follow the market and directly buy, gear motor 63 links to each other with walking wheel 64, walking wheel 64 can make things convenient for sliding seat 62 to slide on guide rail 61, lift groove 65 is located the well upper portion of sliding seat 62, lifter plate 66 and lift groove 65 sliding connection, cylinder 68 can drive lifter plate 66 and go up and down, two cardboard 67 set up in opposite directions, can block filter plate 13, can conveniently drive filter plate 13 and remove to between two scrubbing plates 24.
Example two
Referring to fig. 12 and 13, the other structure remains the same, which is different from the first embodiment: the cardboard 67 is the arc, it is articulated through the torsional spring between cardboard 67 and the lifter plate 66, be equipped with on the guide rail 61 with cardboard 67 matched with portion 7 that compresses tightly, it is left cardboard 67 width is greater than right side cardboard 67 width, through setting up portion 7 that compresses tightly, cardboard 67 is articulated with lifter plate 66, when one side cardboard 67 removes near the clamping part, portion 7 that compresses tightly can bend cardboard 67, make cardboard 67 can conveniently break away from with the filter plate 13, when left side cardboard 67 loses the extrusion, left side cardboard 67 can reset through the torsional spring, the right-hand member face of left side cardboard 67 can support a side of filter plate 13, because right side cardboard 67 width is less than left side cardboard 67, when right side cardboard 67 slides to the right flank of treating to wash filter plate 13, right side cardboard 67 can bounce through the torsional spring, can conveniently drive the filter plate 13 and remove.
The working principle of the invention is as follows:
when the device is used, firstly, a certain amount of flocculating agent is put into municipal sludge to be treated, the flocculating agent and the sludge are uniformly mixed and then are kept stand, then, sewage after the standing is pumped out, water-containing sludge is pumped into a primary dewatering device for primary dewatering to obtain dewatered sludge containing a certain proportion of water, finally, the dewatered sludge is transmitted into a deep dewatering device for deep dewatering to obtain sludge cakes, when the filter press 12 needs to be cleaned, the sludge cakes in the filter press 12 are firstly cleaned out, the distance between two scrubbing plates 24 is adjusted according to the width of the filter plate 13, after the adjustment is finished, the walking wheels 64 are driven by the speed reducing motor 63 to rotate, the walking wheels 64 can move on the guide rail 61, then the lifting plate 66 is driven by the air cylinder 68 to fall, when the sliding seat 62 moves to the lower part of the nearest filter plate 13 to be cleaned, the lifting plate 66 is lifted by the air cylinder 68 again, the two clamping plates 67 are used for clamping the filter plates 13, then the sliding seat 62 is driven by the speed reducing motor 63 to move to the position below the two brushing plates 24, when the sliding seat 62 stops, the telescopic rod 23 is extended, the brushing plates 24 at the bottom are driven to respectively pass through two sides of the filter plates 13, at the moment, the brush 244 can brush two sides of the filter plates 13, meanwhile, water is supplied into the cavity 245 through the water spraying pipe 142, water in the cavity 245 is sprayed onto the filter plates 13 through the plurality of conical water spraying holes 246 which are alternately arranged, the surfaces of the filter plates 13 are wetted, the cleaning effect of the surfaces of the filter plates 13 is improved, after the brushing is finished, the brushing plates 24 are reset through the telescopic rod 23 again, then the next filter plate 13 to be cleaned is driven by the sliding seat 62 to move to the position below the two brushing plates 24, and the cleaning of the filter press 12 can be finished by repeating the above operations.
In summary, the following steps: this method and equipment to municipal sludge carries out two-stage process integration degree of depth dehydration through setting up degree of depth dehydration equipment, can wash filter plate 13, makes dehydration equipment keep efficient dehydration effect, and it is thorough inadequately to have solved the dehydration of current municipal sludge, and mud is higher after the filter-pressing becomes the mud cake, breeds the bacterium easily, and current sludge dewatering equipment often can be blockked up by mud in the use, reduces the problem of dehydration effect of dehydration equipment easily.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method for carrying out two-stage integrated deep dehydration on municipal sludge is characterized by comprising the following steps;
s1, adding a certain amount of flocculant into the municipal sludge to be treated, uniformly mixing the flocculant and the sludge, and standing;
s2, pumping out the sewage after standing in the step S1 to obtain water-containing sludge;
s3, pumping the water-containing sludge into a primary dewatering device for primary dewatering to obtain dewatered sludge containing a certain proportion of water;
and S4, conveying the dewatered sludge to deep dewatering equipment for deep dewatering to obtain a mud cake.
2. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 1, wherein: the deep dehydration equipment in the step S3 comprises a frame (11), a filter press (12) arranged on the frame (11), a plurality of filter plates (13) arranged on the filter press (12) and a cleaning device arranged on the frame (11) and used for cleaning the filter plates (13); the cleaning device comprises a support (141) arranged above the filter press (12), a water spray pipe (142) used for supplying water to the filter plate (13), a scrubbing component arranged on the support (141) and matched with the water spray pipe (142), a water storage tank (144) arranged at the bottom of the frame (11) and a traction component used for adjusting the position of the filter plate (13).
3. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 2, characterized in that: the brushing part comprises a fixed seat (21) arranged on the bracket (141), two fixed blocks (22) arranged on the fixed seat (21), a telescopic rod (23) arranged on the fixed blocks (22), a brushing plate (24) arranged at the bottom of the telescopic rod (23) and an adjusting part used for adjusting the distance between the two fixed blocks (22).
4. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 3, wherein: the scrubbing plate (24) comprises a plate body (241), connecting parts (242) arranged at two ends of the top of the plate body (241), a V-shaped part (243) arranged at the bottom of the plate body (241) and brushes (244) arranged on one side of the scrubbing plate (24), wherein the brushes (244) on the scrubbing plate (24) are arranged oppositely.
5. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 4, wherein: the inner part of the plate body (241) is provided with a cavity (245), the cavity (245) is connected with the water spraying pipe (142), one side of the cavity (245) facing the hairbrush (244) is provided with water spraying holes (246), the water spraying holes (246) are conical, the inner part is larger, the outer part is smaller, the water spraying holes (246) are arranged obliquely downwards, and the water spraying directions of the adjacent water spraying holes (246) are arranged in a staggered mode.
6. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 4, wherein: one side of the bottom of the V-shaped part (243) is provided with an inclined part (247).
7. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 3, characterized in that: the adjusting part comprises two-way screw rods (31) penetrating through the two fixing blocks (22), screw grooves (32) which are arranged in the fixing blocks (22) and matched with the two-way screw rods (31), guide rods (33) arranged inside the fixing seats (21), guide grooves (34) arranged inside the fixing blocks (22) and a locking part arranged at one end of each two-way screw rod (31), wherein the guide rods (33) are connected with the guide grooves (34) in a sliding mode.
8. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 7, wherein: the locking part comprises a rotary table (41) fixedly arranged on a bidirectional screw rod (31), a plurality of ratchet grooves (42) arranged on the rotary table (41), an installation block (43) arranged on a fixed seat (21), a sliding groove (44) arranged in the installation block (43), a sliding block (45) arranged in the sliding groove (44), gear shaping (46) arranged at the bottom end of the sliding block (45) and matched with the ratchet grooves (42), a spring (47) arranged in the sliding groove (44) and an unlocking part used for disengaging the gear shaping (46) from the ratchet grooves (42), and the gear shaping (46) is meshed with the ratchet grooves (42).
9. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 8, wherein: the unlocking component comprises a strip-shaped groove (51) formed in the mounting block (43), a push block (52) fixedly arranged on the sliding block (45) and a strip portion (53) arranged on one side of the push block (52), and the push block (52) penetrates through the strip-shaped groove (51).
10. The two-stage integrated deep dewatering equipment for municipal sludge according to claim 2, characterized in that: the traction component comprises guide rails (61) arranged on two sides of the filter press (12), sliding seats (62) arranged on the guide rails (61), speed reducing motors (63) arranged in the sliding seats (62), two walking wheels (64) connected with the speed reducing motors (63), lifting grooves (65) arranged on the sliding seats (62), lifting plates (66) arranged in the lifting grooves (65) in a sliding manner, two clamping plates (67) arranged on the lifting plates (66) and cylinders (68) used for adjusting the heights of the lifting plates (66); the walking wheels (64) are connected with the guide rails (61) in a sliding mode, and the two clamping plates (67) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280779.3A CN114751619A (en) | 2021-11-01 | 2021-11-01 | Method and equipment for two-stage integrated deep dehydration of municipal sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280779.3A CN114751619A (en) | 2021-11-01 | 2021-11-01 | Method and equipment for two-stage integrated deep dehydration of municipal sludge |
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| CN114751619A true CN114751619A (en) | 2022-07-15 |
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| CN202111280779.3A Pending CN114751619A (en) | 2021-11-01 | 2021-11-01 | Method and equipment for two-stage integrated deep dehydration of municipal sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117865378A (en) * | 2023-12-22 | 2024-04-12 | 无锡市德林环保集团有限公司 | Pressure-bearing integrated turbid circulating water purifying device |
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| CN117865378B (en) * | 2023-12-22 | 2024-06-11 | 无锡市德林环保集团有限公司 | Pressure-bearing integrated turbid circulating water purifying device |
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