CN109553274B - Continuous sludge deep dehydration equipment - Google Patents
Continuous sludge deep dehydration equipment Download PDFInfo
- Publication number
- CN109553274B CN109553274B CN201811469557.4A CN201811469557A CN109553274B CN 109553274 B CN109553274 B CN 109553274B CN 201811469557 A CN201811469557 A CN 201811469557A CN 109553274 B CN109553274 B CN 109553274B
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- vacuum
- pipe
- drain
- filter
- sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 67
- 230000018044 dehydration Effects 0.000 title claims abstract description 35
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 24
- 238000005345 coagulation Methods 0.000 claims description 18
- 230000015271 coagulation Effects 0.000 claims description 18
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 11
- 239000003814 drug Substances 0.000 abstract description 6
- 230000011218 segmentation Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 238000012827 research and development Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
-
- 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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (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)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses continuous sludge deep dehydration equipment which comprises a concentration dosing section, wherein an output port of the concentration dosing section is fixedly communicated with a vacuum belt filter through a pipeline, a discharge hopper is fixedly connected to one side of the outer wall of the vacuum belt filter at a position corresponding to the output port, a uniform distributing device is fixedly connected to the lower end of the outer wall of the vacuum belt filter, the uniform distributing device is correspondingly arranged with the discharge hopper, a squeezing dosing pipe is fixedly connected to the front side of the outer wall of the vacuum belt filter, and one end of the squeezing dosing pipe is fixedly communicated with the uniform distributing device. This continuous sludge deep dehydration equipment has reached to realize the organic combination with vacuum concentration and squeeze dehydration, can realize the segmentation simultaneously and add the medicine, improves sludge deep dehydration efficiency and effect, realizes continuous operation's purpose, realizes good dehydration effect, and application scope is wide, and the practicality is stronger.
Description
Technical Field
The invention relates to the technical field of sludge dewatering, in particular to continuous sludge deep dewatering equipment.
Background
The sludge deep dehydration equipment mainly comprises a diaphragm plate-and-frame filter press, a high-pressure steel spring plate-and-frame filter press, a continuous steel belt dehydrator, a belt type concentration and squeezing integrated machine and the like, wherein the filter press is operated in a clearance mode, a large amount of labor is needed, and unattended operation is not easy to realize; the continuous steel belt dehydrator is suitable for sludge with high solid content (the solid content is preferably more than or equal to 15 percent), and concentration dehydration equipment such as a horizontal centrifuge, a drum thickener, a spiral shell overlapping dehydrator, a belt thickener and the like are required to be added for the sludge with the solid content of 1-3 percent in a sewage treatment plant, and the water content is reduced to about 80 percent through the equipment; because the belt type concentration and squeezing integrated machine adopts gravity sedimentation dehydration for concentration, the solid-liquid separation speed is low, the water content of the discharged material of the concentration section is about 80%, the pressure of the squeezing section at the rear section is increased, and meanwhile, the water content of the discharged material is high, so that sludge dehydration equipment with high dehydration efficiency and good dehydration effect and capable of continuously running is needed.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides continuous sludge deep dehydration equipment, and provides sludge deep dehydration equipment which organically combines vacuum concentration and squeezing dehydration, can realize segmented dosing, improves the sludge deep dehydration efficiency and effect and realizes continuous operation.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a continuous sludge deep dehydration equipment, includes concentrated dosing section, concentrated dosing section delivery outlet has the vacuum belt filter through pipeline fixed intercommunication, the position fixedly connected with ejection of compact fill of vacuum belt filter outer wall one side corresponding delivery outlet, vacuum belt filter outer wall lower extreme fixedly connected with even distributing device, even distributing device corresponds the setting with ejection of compact fill, vacuum belt filter outer wall front side fixedly connected with squeeze dosing pipe, squeeze dosing pipe one end and even distributing device fixed intercommunication, vacuum belt filter one side is provided with the press tank, press tank inside to be provided with the steel band, the steel band part is located the outside of press tank and extends to even distributing device downside, steel band surface roll connection has first squeeze roll, press tank outer wall and vacuum belt filter downside all are provided with the squeeze cylinder, the squeeze cylinder output is connected with the second squeeze roll through adjusting lever rotation, vacuum belt filter outer wall front side fixedly connected with vacuum suction hopper, vacuum suction hopper bottom fixed intercommunication has first drain pipe and fixed intercommunication, first drain pipe is kept away from the outside and is provided with the drain tank fixed side of vacuum pump, vacuum pump fixed connection has the drain tank, vacuum pump fixed side is kept away from the drain tank, vacuum pump fixed side is provided with the drain tank.
Preferably, the concentrated dosing section comprises a raw mud conveying pipe, one end of the raw mud conveying pipe is fixedly communicated with a sludge coagulation box, and a concentrated dosing pipe is fixedly communicated with the position, close to the sludge coagulation box, of the outer wall of the raw mud conveying pipe.
Preferably, concentrated reagent is conveyed inside the concentrated reagent adding pipe, and a metering pump is arranged at the position, close to the sludge coagulation box, of the outer wall of the concentrated reagent adding pipe.
Preferably, the raw mud conveying pipe and the concentrated dosing pipe are positioned in the pipe ditch, and one side of the outer wall of the sludge coagulation box is communicated with the liquid discharge groove through the liquid discharge pipe.
Preferably, the vacuum belt filter comprises a filter box body, a filter cylinder is fixedly connected to the outer wall of the filter box body, a first conveying roller is rotationally connected to the output end of the filter cylinder through a connecting rod, the first conveying roller is located inside the filter box body, a second conveying roller is rotationally connected to the inner wall of the filter box body, and a first conveying belt is connected to the outer surfaces of the first conveying roller and the second conveying roller.
Preferably, a drain pipe is fixedly communicated with one side of the bottom of the filtering box body, and one end of the drain pipe, which is far away from the filtering box body, extends to the inside of the drain groove.
Preferably, the liquid draining groove is positioned at the lower side of the steel belt, one side of the squeezing box body is provided with a mud cake conveying screw machine, and the mud cake conveying screw machine is correspondingly arranged with the squeezing box body.
Preferably, the liquid draining groove is funnel-shaped, and the liquid draining groove is communicated with the drainage ditch.
Preferably, the bottom of the vacuum water drain tank is fixedly communicated with a second drain pipe, and one end, far away from the vacuum water drain tank, of the second drain pipe is communicated with the drain ditch.
Preferably, the first drain pipe is obliquely arranged outside the vacuum belt filter, the first drain pipe is fixedly communicated with the middle part of the vacuum drain tank, and three vacuum water suction hoppers are arranged.
(III) beneficial effects
The invention provides continuous sludge deep dehydration equipment. The beneficial effects are as follows:
(1) The continuous sludge deep dehydration equipment is fixedly communicated with a vacuum belt filter through a pipeline through an output port of a concentration dosing section, a discharge hopper is fixedly connected to a position, corresponding to the output port, of one side of the outer wall of the vacuum belt filter, a uniform distributor is fixedly connected to the lower end of the outer wall of the vacuum belt filter, the uniform distributor is correspondingly arranged with the discharge hopper, a squeezing dosing pipe is fixedly connected to the front side of the outer wall of the vacuum belt filter, one end of the squeezing dosing pipe is fixedly communicated with the uniform distributor, one side of the vacuum belt filter is provided with a squeezing box body, a steel belt is arranged in the squeezing box body, a part of the steel belt is positioned outside the squeezing box body and extends to the lower side of the uniform distributor, a first squeezing roller is connected to the outer surface of the steel belt in a rolling way, and squeezing cylinders are arranged on the outer wall of the squeezing box body and the lower side of the vacuum belt filter, the squeeze cylinder output is connected with the second squeeze roller through adjusting the pole rotation, vacuum belt filter outer wall front side fixedly connected with vacuum suction hopper, vacuum suction hopper bottom fixed intercommunication has first drain pipe, the one end fixed intercommunication that vacuum suction hopper was kept away from to first drain pipe has vacuum drain tank, vacuum drain tank top fixed intercommunication has vacuum pipe, the one end fixed intercommunication that vacuum drain tank was kept away from to vacuum pipe has the water ring vacuum pump, concentrated dosing section downside is provided with escape canal and trench, vacuum belt filter downside is provided with the drain tank, the realization is organic to merge vacuum concentration and squeeze dehydration, can realize the segmentation dosing simultaneously, improve mud degree of depth dehydration efficiency and effect, realize continuous operation's purpose, with concentrated medicament (if: polyacrylamide PAM, polyaluminum chloride or polymeric ferric salt, etc.), and quantitatively adding the diluted solution into the sludge coagulation box through a metering pump, the liquid medicine and the sludge are mixed and stirred in the sludge coagulation box to form stable flocs to realize preliminary separation of the sludge and the water; the sludge subjected to preliminary mud-water separation flows into the vacuum belt dehydrator uniformly through a pipeline, a water ring vacuum pump provides a vacuum environment for the vacuum belt dehydrator and a vacuum water drain tank, solid-liquid separation is realized rapidly under the vacuum effect, the drainage performance is enhanced by utilizing the pressure difference through a vacuum water suction hopper, the water content of the sludge after dehydration by the vacuum belt dehydrator can be reduced to 70%, and the dehydration efficiency is improved by about 30% compared with that of the existing concentration equipment; in the process of flowing the sludge with the water content of 70% into the uniform distributor, dissolving, diluting and quantitatively adding the conditioning and modifying agent, uniformly distributing the sludge on the steel belt through the uniform distributor after uniform mixing, pressing the sludge by the twin-roll of the first steel belt pressing roller and the second steel belt pressing roller to realize deep dehydration, gradually lifting the pressure of the twin-roll into one group, two groups or three groups to realize the maximum dehydration effect, reducing the sludge cake to below 60% by the machine, conveying and discharging the sludge cake by a sludge cake conveying screw machine, and realizing good dehydration effect through a series of dehydration, and has wide application range and stronger practicability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
FIG. 4 is a schematic diagram of the structure of the concentrated dosing section of the present invention;
FIG. 5 is a schematic view of the vacuum belt filter of the present invention.
In the figure: the device comprises a concentrated dosing section 1, a raw sludge conveying pipe 101, a concentrated dosing pipe 102, a sludge coagulation box 103, a vacuum belt filter 2, a filtering box 201, a filtering cylinder 202, a first conveying roller 203, a second conveying roller 204, a conveying belt 205, a discharge hopper 3, a squeezing dosing pipe 4, a uniform distributor 5, a squeezing box 6, a steel belt 7, a first squeezing roller 8, a squeezing cylinder 9, a second squeezing roller 10, a vacuum suction hopper 11, a first water discharge pipe 12, a vacuum water discharge tank 13, a vacuum pipeline 14, a water ring vacuum pump 15, a second water discharge pipe 16, a water discharge ditch 17, a liquid discharge tank 18, a mud cake conveying screw machine 19 and a pipe ditch 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a continuous sludge deep dehydration equipment, including concentrated dosing section 1, concentrated dosing section 1 delivery outlet has vacuum belt filter 2 through pipeline fixed intercommunication, vacuum belt filter 2 outer wall one side corresponds the position fixedly connected with ejection of compact fill 3 of delivery outlet, vacuum belt filter 2 outer wall lower extreme fixedly connected with even distributing device 5, even distributing device 5 corresponds the setting with ejection of compact fill 3, vacuum belt filter 2 outer wall front side fixedly connected with squeeze dosing pipe 4, squeeze dosing pipe 4 one end and even distributing device 5 fixed intercommunication, vacuum belt filter 2 one side is provided with press box 6, press box 6 inside is provided with steel band 7, steel band 7 part is located the outside of press box 6 and extends to even distributing device 5 downside, steel band 7 surface roll connection has first squeeze roll 8, press box 6 outer wall and vacuum belt filter 2 downside all are provided with squeeze cylinder 9, squeeze cylinder 9 output is connected with second squeeze roll 10 through the regulation pole rotation, vacuum belt filter 2 outer wall front side fixedly connected with vacuum suction hopper 11, vacuum suction hopper 11 bottom fixed intercommunication has first drain pipe 12, first drain pipe 12 is kept away from vacuum suction pipe 11 and is kept away from vacuum pump 13 fixed drain 13 and is provided with vacuum pump 13 and is realized that vacuum pump 13 and is kept away from the fixed drain 13, vacuum pump 13 and is provided with vacuum pump 13 and is effective and is realized that the drain channel is connected with vacuum pump 13, vacuum pump 13 has been kept away from the fixed drain channel 13, vacuum pump 13 has realized the vacuum pump 13 and is effective and is realized the vacuum pump 13 and is connected to be put down to realize the continuous dewatering.
The concentrated dosing section 1 comprises a raw mud conveying pipe 101, one end of the raw mud conveying pipe 101 is fixedly communicated with a mud coagulation box 103, the position, close to the mud coagulation box 103, of the outer wall of the raw mud conveying pipe 101 is fixedly communicated with a concentrated dosing pipe 102, raw mud and concentrated chemicals are conveyed, and preliminary mud-water separation is achieved.
Concentrated reagent is conveyed inside the concentrated reagent adding pipe 102, and a metering pump is arranged at the position, close to the sludge coagulation box 103, of the outer wall of the concentrated reagent adding pipe 102, so that the concentrated reagent can be quantitatively added.
The raw mud conveying pipe 101 and the concentrated dosing pipe 102 are positioned in the pipe ditch 20, and one side of the outer wall of the sludge coagulation box 103 is communicated with the liquid discharge groove 18 through a liquid discharge pipe, so that separated mud water is discharged conveniently.
The vacuum belt filter 2 comprises a filter box 201, a filter cylinder 202 is fixedly connected to the outer wall of the filter box 201, a first conveying roller 203 is rotationally connected to the output end of the filter cylinder 202 through a connecting rod, the first conveying roller 203 is located inside the filter box 201, a second conveying roller 204 is rotationally connected to the inner wall of the filter box 201, a conveying belt 205 is connected to the outer surfaces of the first conveying roller 203 and the second conveying roller 204, liquid in suspension is pumped away through filter media (filter cloth) on the conveying belt 205 under the action of vacuum negative pressure, and solid particles are trapped by the media, so that separation of liquid and solid is achieved.
A drain pipe is fixedly communicated with one side of the bottom of the filtering box 201, and one end of the drain pipe, which is far away from the filtering box 201, extends to the inside of the liquid discharge groove 18 to discharge liquid separated in the filtering box 201.
The liquid discharge groove 18 is positioned at the lower side of the steel belt 7, a mud cake conveying screw 19 is arranged at one side of the pressing box body 6, the mud cake conveying screw 19 is arranged corresponding to the pressing box body 6, and the mud cake conveying screw 19 can convey mud discharged by the steel belt 7 on the pressing box body 6.
The drain tank 18 is funnel-shaped to facilitate collection of liquid drained from the vacuum belt filter 2 and the press housing 6.
The bottom of the vacuum drain tank 13 is fixedly communicated with a second drain pipe 16, and one end, far away from the vacuum drain tank 13, of the second drain pipe 16 is communicated with a drain ditch 17 to drain water in the vacuum drain tank 13.
The first drain pipe 12 is obliquely arranged outside the vacuum belt filter 2, the first drain pipe 12 is fixedly communicated with the middle part of the vacuum drain tank 13, three vacuum water suction hoppers 11 are arranged, and the vacuum water suction hoppers 11 can suck out water in the vacuum belt filter 2 under the action of pressure difference, so that the drainage effect is enhanced.
When in use, one end of the squeezing and dosing pipe 4 is communicated with a quantitative dosing device (not shown in the figure) to dissolve and dilute a concentrated medicament (such as polyacrylamide PAM, polyaluminum chloride or polymeric ferric salt and the like), and then the concentrated medicament is quantitatively added into the sludge coagulation tank 103 through a metering pump (the type of the sludge coagulation tank 103 is not particularly limited, and the existing products on the market can be directly purchased so as to reduce the research and development and consumable cost), and the liquid medicament and the sludge are mixed and stirred in the sludge coagulation tank 103 to form stable floccules to realize the primary separation of mud and water; the sludge subjected to preliminary sludge-water separation flows into a vacuum belt dehydrator uniformly through a pipeline (the type is not particularly limited, the existing products on the market can be directly purchased, so that the research and development and consumable cost are reduced), the vacuum belt dehydrator is a mature technology, a water ring vacuum pump 15 provides a vacuum environment for the vacuum belt dehydrator and a vacuum water drain tank 13, liquid in the sludge suspension is pumped away through a filter medium (filter cloth) on a conveying belt 205 under the action of vacuum negative pressure, and solid particles are trapped by the medium, so that the separation of liquid and solid is realized, the solid-liquid separation is realized quickly under the action of vacuum, the water content of the sludge after dehydration by the vacuum belt dehydrator can be reduced to 70% by utilizing the pressure difference through a vacuum water suction hopper 11, and the dehydration efficiency of the sludge is improved by about 30% compared with that of the existing concentration equipment; in the process that the sludge with the water content of 70% flows into the uniform distributor 5, the conveying end of the squeezing and dosing pipe 4 is connected with a quantitative dosing device (not shown in the figure) for conditioning and modifying agents, the conditioning and modifying agents (conditioning and modifying agents) are dissolved, diluted and quantitatively added by the squeezing and dosing pipe 4, the sludge is uniformly distributed on the steel belt 7 through the uniform distributor 5 after uniform mixing, deep dehydration is realized through the two-roll squeezing of a plurality of first squeezing rollers 8 and second squeezing rollers 10 outside the steel belt 7, the pressure is gradually increased to achieve the maximum dehydration effect, the pair of roller steel belts 7 can drive the sludge cake to rise and discharge, the discharged sludge cake is reduced to below 60%, the sludge cake falls into the sludge cake conveying screw 19 (the type is not particularly limited, the existing products on the market can be directly purchased, so as to reduce the research and development and consumable cost), the power of the first squeezing rollers 8 and the second conveying rollers 204 are motors, the maximum dehydration effect is realized, the pair of rollers can drive the sludge cake to rise and the sludge cake is directly purchased from the market.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Continuous sludge deep dehydration equipment, including concentrated dosing section (1), its characterized in that: the utility model discloses a concentrated dosing section (1) delivery outlet is through pipeline fixed intercommunication has vacuum belt filter (2), the position fixedly connected with ejection of compact fill (3) of vacuum belt filter (2) outer wall one side corresponding delivery outlet, vacuum belt filter (2) outer wall lower extreme fixedly connected with even distributing device (5), even distributing device (5) set up with ejection of compact fill (3) correspondence, vacuum belt filter (2) outer wall front side fixedly connected with squeeze dosing tube (4), squeeze dosing tube (4) one end and even distributing device (5) fixed intercommunication, vacuum belt filter (2) one side is provided with press box (6), press box (6) inside to be provided with steel band (7), steel band (7) part are located the outside of press box (6) and extend to even distributing device (5) downside, steel band (7) surface roll connection has first squeeze roll (8), press box (6) outer wall and vacuum belt filter (2) downside all are provided with squeeze cylinder (9), squeeze cylinder (9) output end is provided with press box (6) one side and is provided with vacuum suction hopper (11) fixed connection vacuum filter bottom (11), one end of the first drain pipe (12) far away from the vacuum water suction hopper (11) is fixedly communicated with a vacuum drain tank (13), the top of the vacuum drain tank (13) is fixedly communicated with a vacuum pipeline (14), one end of the vacuum pipeline (14) far away from the vacuum drain tank (13) is fixedly communicated with a water ring vacuum pump (15), the lower side of the concentrated dosing section (1) is provided with a drain ditch (17) and a pipe ditch (20), and the lower side of the vacuum belt filter (2) is provided with a drain tank (18); the concentrated dosing section (1) comprises a raw mud conveying pipe (101), one end of the raw mud conveying pipe (101) is fixedly communicated with a sludge coagulation box (103), and a concentrated dosing pipe (102) is fixedly communicated with the outer wall of the raw mud conveying pipe (101) at a position close to the sludge coagulation box (103); the vacuum belt filter (2) comprises a filter box body (201), a filter cylinder (202) is fixedly connected to the outer wall of the filter box body (201), a first conveying roller (203) is rotatably connected to the output end of the filter cylinder (202) through a connecting rod, the first conveying roller (203) is located inside the filter box body (201), a second conveying roller (204) is rotatably connected to the inner wall of the filter box body (201), and conveying belts (205) are connected to the outer surfaces of the first conveying roller (203) and the second conveying roller (204).
2. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: concentrated reagent is conveyed inside the concentrated reagent adding pipe (102), and a metering pump is arranged at the position, close to the sludge coagulation box (103), of the outer wall of the concentrated reagent adding pipe (102).
3. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: the raw sludge conveying pipe (101) and the concentrated dosing pipe (102) are positioned in the pipe ditch (20), and one side of the outer wall of the sludge coagulation box (103) is communicated with the liquid discharge groove (18) through the liquid discharge pipe.
4. A continuous sludge deep dewatering apparatus as claimed in claim 3, wherein: a drain pipe is fixedly communicated with one side of the bottom of the filtering box body (201), and one end, far away from the filtering box body (201), of the drain pipe extends to the inside of the drain groove (18).
5. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: the liquid draining groove (18) is located at the lower side of the steel belt (7), a mud cake conveying screw machine (19) is arranged at one side of the pressing box body (6), and the mud cake conveying screw machine (19) is arranged corresponding to the pressing box body (6).
6. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: the drain groove (18) is funnel-shaped, and the drain groove (18) is communicated with the drain ditch (17).
7. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: the bottom of the vacuum water draining tank (13) is fixedly communicated with a second water draining pipe (16), and one end, far away from the vacuum water draining tank (13), of the second water draining pipe (16) is communicated with a water draining ditch (17).
8. A continuous deep sludge dewatering apparatus as claimed in claim 1, wherein: the first drain pipe (12) is obliquely arranged outside the vacuum belt filter (2), the first drain pipe (12) is fixedly communicated with the middle of the vacuum drain tank (13), and the vacuum water suction hopper (11) is provided with three vacuum water suction hoppers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469557.4A CN109553274B (en) | 2018-11-28 | 2018-11-28 | Continuous sludge deep dehydration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469557.4A CN109553274B (en) | 2018-11-28 | 2018-11-28 | Continuous sludge deep dehydration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109553274A CN109553274A (en) | 2019-04-02 |
| CN109553274B true CN109553274B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811469557.4A Active CN109553274B (en) | 2018-11-28 | 2018-11-28 | Continuous sludge deep dehydration equipment |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209619164U (en) * | 2018-11-28 | 2019-11-12 | 湖州智清环保科技有限公司 | A kind of continuous deep dehydration device for sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100312612B1 (en) * | 1998-12-05 | 2002-02-19 | 김주식 | High pressure dehydrating system of sludge with vacuum roller and compression belt |
| CN2484318Y (en) * | 2001-06-13 | 2002-04-03 | 刘建宗 | Drum-concentrating belt-type squeezing-dewatering integrated machine |
| JP3800408B2 (en) * | 2002-02-25 | 2006-07-26 | 株式会社石垣 | Concentrator, continuous pressure dehydrator using a concentrator, and mobile dehydrator |
| CN206736066U (en) * | 2017-08-25 | 2017-12-12 | 牛明军 | A kind of combined type deep dehydration system for sludge |
| CN108751665B (en) * | 2018-07-30 | 2024-06-14 | 安徽国祯生态科技有限公司 | Device and method for improving dehydration efficiency of activated sludge by using biomass ash |
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2018
- 2018-11-28 CN CN201811469557.4A patent/CN109553274B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209619164U (en) * | 2018-11-28 | 2019-11-12 | 湖州智清环保科技有限公司 | A kind of continuous deep dehydration device for sludge |
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