CN114644438A - Vertical sludge concentration device - Google Patents
Vertical sludge concentration device Download PDFInfo
- Publication number
- CN114644438A CN114644438A CN202210340556.XA CN202210340556A CN114644438A CN 114644438 A CN114644438 A CN 114644438A CN 202210340556 A CN202210340556 A CN 202210340556A CN 114644438 A CN114644438 A CN 114644438A
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- Prior art keywords
- filter screen
- screen cylinder
- sludge
- stirring
- concentration
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- 239000010802 sludge Substances 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000003756 stirring Methods 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 49
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- 230000008719 thickening Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000018044 dehydration Effects 0.000 abstract description 7
- 238000006297 dehydration reaction Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a vertical sludge concentration device, which comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism, wherein the stirring mechanism comprises a stirring shaft and a stirring paddle, the stirring paddle comprises a plurality of spiral sheets which are alternately wound on the stirring shaft, the outer side surface of each spiral sheet is attached to the inner wall of the filter screen cylinder, a sludge water channel hole which is communicated up and down is formed in the inner side of each spiral sheet, the sludge water channel hole extends along the winding direction of the spiral sheets or the sludge water channel holes are distributed at intervals along the winding direction of the spiral sheets, and water in a concentration area is filtered to a water filtering area from the filter screen cylinder after moving to the top from the sludge water channel hole to the position between the stirring paddle and the filter screen cylinder. On one hand, the invention increases the efficiency of sludge concentration, not only facilitates the filtration of muddy water, but also facilitates the sludge transportation; on the other hand, the water in the concentrating area is convenient to converge and filter to the water filtering area after upwelling, the efficiency and the effect of sludge concentration are improved, the water content of the sludge after concentration is reduced, and the subsequent dehydration difficulty and the dehydration cost of the sludge are also reduced.
Description
Technical Field
The invention belongs to the field of sludge treatment equipment, and particularly relates to a vertical sludge concentration device.
Background
With the development of social economy and the acceleration of urbanization process, the number of urban sewage treatment plants and the sludge generated therewith is rapidly increased, and sludge treatment equipment is continuously updated to meet the requirement of sludge treatment. In the field, the sludge treatment apparatus generally includes a sludge concentration device and a dewatering machine which are independently arranged, when sludge treatment is performed, the sludge concentration device is firstly used for concentrating relatively thin sludge, and the sludge with reduced water content after concentration enters the dewatering machine for dewatering.
At present, the vertical sludge concentration device who adopts is basically through stirring extruded mode, with extruding in the mud, but, along with the flow of mud, is close to the mud of mud exit more, is difficult more to extrude, even inside water that can extrude moreover, water also can't be smooth and easy outwards discharge, consequently, water content can't reach the best standard after the concentration, can increase the degree of difficulty of follow-up hydroextractor dehydration like this, also can increase the sludge dewatering cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved vertical sludge concentration device.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a vertical sludge concentration device, it includes concentrated section of thick bamboo, a filter screen section of thick bamboo, rabbling mechanism, wherein concentrated case top is equipped with into mud passageway, the bottom is equipped with out the mud passageway, form the drainage district between concentrated section of thick bamboo and the filter screen section of thick bamboo, rabbling mechanism is located a filter screen section of thick bamboo and forms concentrated district, rabbling mechanism includes (mixing) shaft and stirring rake, the stirring rake includes the mutual winding in turn of multi-disc spiral piece at the epaxial helical blade of stirring, wherein every helical blade lateral surface laminating filter screen section of thick bamboo inner wall, and the inboard of every helical blade is formed with the muddy water passageway hole that link up from top to bottom, muddy water passageway hole extends or muddy water passageway hole has a plurality ofly along the helical blade winding direction, and along the blade winding direction interval distribution, moisture in the concentrated district is not from stirring between a section of thick bamboo and the filter screen section of thick bamboo, and filter to the drainage district from a filter screen section of thick bamboo after muddy water passageway hole moves to the top.
Preferably, the muddy water channel hole is positioned at the joint of the spiral piece and the stirring shaft. The benefit that sets up like this is exactly, ensures that the (mixing) shaft is in relative moist state, not only is favorable to water to assemble and upward flow, can effectively reduce the slime rate of (mixing) shaft moreover to promote the concentrated water efficiency of mud, reduce the clean degree of difficulty of stirring rake moreover.
According to a specific implementation and preferable aspect of the invention, the slurry channel hole is provided with a plurality of slurry channel holes, and the slurry channel holes on the plurality of spiral pieces are vertically spaced and aligned along the length direction of the stirring shaft. The arrangement not only greatly increases the water yield of muddy water concentration, but also is very convenient for water to flow from the interior of the concentration area to the water filtering area (the main reason is that the water forms the technical effect of upwelling).
Preferably, the orthographic projection of the muddy water channel holes on the plurality of spiral pieces on the horizontal plane is a plurality of notches which are uniformly distributed around the center of the stirring shaft at intervals. Therefore, the water in the concentration area can be uniformly gathered towards the notch, and meanwhile, the concentrated water can be conveniently discharged to the water filtering area after being shoved.
Furthermore, the top and the bottom of the plurality of spiral sheets are respectively arranged in an aligned mode. The stirring paddle is convenient to form, and the optimal concentration effect can be provided.
According to a further embodiment and preferred aspect of the present invention, each of the spiral blades includes a blade body fixedly wound around the stirring shaft, a spring plate connected to an outer side of the blade body, and a flexible wiper blade provided to an outer side of the spring plate, wherein the flexible wiper blade is abutted against an inner wall of the screen cylinder from the outer side. The scraper component formed by the spring plate and the flexible scraper can effectively reduce the wear rate and the noise of the filter screen cylinder and avoid mesh blockage of the filter screen cylinder caused by sludge.
According to a further embodiment and preferred aspect of the present invention, a receiving hopper with a gradually decreasing diameter is provided at the top of the screen cylinder, wherein the upper end of the receiving hopper is communicated with the mud feeding channel. By the design, a funnel type quick mud feeding effect is formed, and meanwhile mud can be prevented from splashing indiscriminately.
In addition, the sludge concentration device also comprises a cleaning mechanism which is arranged in the water filtering area and can clean the periphery of the filter screen cylinder. The cleaning mechanism is arranged to ensure the water filtering efficiency of the filter screen cylinder, and is more beneficial to the concentrated water outlet of the sludge.
Preferably, the cleaning mechanism moves synchronously with the stirring shaft to clean the periphery of the filter screen cylinder. That is, the synchronous cleaning of the screen cylinder can be carried out during the stirring process, or the synchronous cleaning of the screen cylinder and the stirring paddle can be carried out after the concentration treatment.
The stirring shaft comprises a shaft body, an upper shaft body and a lower shaft body which are formed at the upper end part and the lower end part of the shaft body, the lower shaft body is connected with a concentration cylinder through a shaft seat, the bottom part of the filter screen cylinder is in relative rotating connection, the upper shaft body penetrates out of the top parts of the filter screen cylinder and the concentration cylinder, a cleaning liquid channel is formed in the upper shaft body, the cleaning mechanism comprises a first cleaning pipeline which is positioned above the filter screen cylinder and communicated with the cleaning liquid channel, a second cleaning pipeline which is far away from the upper shaft body end part from the first cleaning pipeline and extends downwards, a drainage pipeline and a water supply component, the first cleaning pipeline extends along the radial direction of the filter screen cylinder, and the second cleaning pipeline extends along the axial direction of the filter screen cylinder.
In this case, a cleaning hole is opened or a nozzle is installed directly on the cleaning pipe, and the cleaning liquid is ejected from the cleaning hole or the nozzle to wash the periphery of the filter screen cylinder.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
on one hand, the efficiency of sludge concentration is increased by the arrangement of the multi-spiral-piece stirring paddle, so that not only is the sludge water conveniently filtered out, but also the sludge is conveniently conveyed from the sludge inlet channel to the sludge outlet channel; on the other hand, under the setting of muddy water passageway hole, the inside water of concentrated district of being convenient for gathers and upwells the postdrainage to the drainage district, consequently, further promotes the concentrated efficiency and the effect of mud, reduces the water content of concentrated back mud, also reduces the follow-up dehydration degree of difficulty and the dehydration cost of mud.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a schematic sectional view showing the structure of a sludge thickening apparatus according to the present invention;
FIG. 2 is a schematic sectional view showing the structure of a sludge thickening apparatus according to the present invention (the sludge passage structure is omitted);
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 2;
wherein: 1. a concentration cylinder; 1a, a mud inlet channel; 1b, a mud outlet channel; 2. a screen cylinder; 3. a stirring mechanism; 30. a stirring shaft; 300. a shaft body; 301. an upper shaft body; 302. a lower shaft body; 31. a stirring paddle; 310. a spiral sheet; a. a sheet body; b. a spring plate; c. a flexible wiper blade; k. a slurry channel hole; 32. a stirring motor; 33. stirring the transmission part; 4. a cleaning mechanism; t, a cleaning liquid channel; g1, a first cleaning pipeline; g2, a second cleaning pipeline; g3, a drain line; 5. a receiving hopper; n, a concentration area; l, a water filtering area.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the present embodiment relates to a vertical sludge thickening apparatus, which includes a thickening cylinder 1, a screen cylinder 2, a stirring mechanism 3, and a cleaning mechanism 4.
Specifically, the concentration cylinder 1 is cylindrical and extends up and down, the top is formed with a sludge inlet channel 1a, the bottom is formed with a sludge outlet channel 1b, and the lower end of the sludge outlet channel 1b is butted with a sludge inlet of the dehydrator.
And the filter screen cylinder 2 is positioned inside the concentration cylinder 1 and is cylindrical, and the filter screen cylinder 2 is fixed on the upper part, close to the sludge outlet channel 1b, of the concentration cylinder 1 through a base.
The inside concentrated district N that forms of filter screen section of thick bamboo 2, form between filter screen section of thick bamboo 2 outer wall and the concentrated 1 inner wall of section of thick bamboo and strain water district L.
In this example, the upper part of the filter screen cylinder 2 is further provided with a receiving hopper 5, the caliber of the receiving hopper 5 gradually decreases from top to bottom, and the discharge hole of the mud inlet channel 1a is positioned at one side right above the receiving hopper 5, that is, mud entering from the mud inlet channel 1a is rapidly guided and converged to the concentration area N in a funnel type in the mud inlet channel 1 a.
Referring to fig. 2, the stirring mechanism 3 is located in the concentration region N, and the stirring mechanism 3 includes a stirring shaft 30, a stirring paddle 31, a stirring motor 32, and a stirring transmission member 33.
The stirring shaft 30 comprises a shaft body 300, an upper shaft body 301 and a lower shaft body 302 which are formed at the upper end part and the lower end part of the shaft body 300, the lower shaft body 302 is relatively rotatably connected with the bottoms of the concentration cylinder 1 and the filter screen cylinder 2 through a shaft seat, the upper shaft body 301 penetrates out of the tops of the filter screen cylinder 2 and the concentration cylinder 1, and the upper shaft body 301 is relatively rotatably connected through a bearing.
The stirring paddle 31 comprises a plurality of spiral sheets 310 which are alternately wound on the shaft body 300, wherein the outer side surface of each spiral sheet 310 is attached to the inner wall of the filter screen cylinder 2, a plurality of muddy water channel holes k which are communicated up and down are formed in the inner side of each spiral sheet 310, the muddy water channel holes k are distributed at intervals along the winding direction of the spiral sheets 310, and water in the concentration area N is filtered to the water filtering area L from the filter screen cylinder 2 after moving to the top from the muddy water channel holes k and between the stirring paddle 31 and the filter screen cylinder 2.
Each spiral piece 310 comprises a piece body a fixedly wound on the shaft body 300, a spring plate b connected to the outer side of the piece body a, and a flexible scraping piece c arranged on the outer side of the spring plate b, wherein the flexible scraping piece c is abutted and attached to the inner wall of the filter screen cylinder 2 from the outer side. The scraper component formed by the spring plate b and the flexible scraper c (nylon scraper) can effectively reduce the wear rate and the noise of the filter screen cylinder and avoid mesh blockage of the filter screen cylinder caused by sludge.
In this example, the slurry passage hole k is located at the connection between the plate body a and the shaft body 300. The benefit that sets up like this is exactly, ensures that the (mixing) shaft is in relative moist state, not only is favorable to water to assemble and upward flow, can effectively reduce the slime rate of (mixing) shaft moreover to promote the concentrated water efficiency of mud, reduce the clean degree of difficulty of stirring rake moreover.
Specifically, the muddy water passage holes k in the plurality of spiral pieces 310 are vertically spaced and aligned along the length direction of the shaft body 300. The arrangement not only greatly increases the water yield of muddy water concentration, but also is very convenient for water to flow from the interior of the concentration area to the water filtering area (the main reason is that the water forms the technical effect of upwelling).
Referring to fig. 3, the orthographic projection of the slurry channel holes k on the plurality of spiral pieces 310 on the horizontal plane is a plurality of notches uniformly distributed around the center of the shaft body 300 at intervals. So, realize that the inside hydroenergy in concentrated district can be even to the breach assemble, simultaneously, also very make things convenient for the concentrated water to gush the back row to the district of straining water.
Meanwhile, the top and bottom of the plurality of spiral sheets 310 are aligned, respectively. The stirring paddle is convenient to form, and the optimal concentration effect can be provided.
The stirring motor 32 is fixed on the outer side of the concentration barrel 1, and the stirring transmission member 33 adopts the conventional chain wheel transmission to connect the stirring motor 32 with the upper shaft body 301 in a transmission way.
The cleaning mechanism 4 and the stirring shaft 30 synchronously move to clean the periphery of the filter screen cylinder 2. That is, the synchronous cleaning of the screen cylinder can be carried out during the stirring process, or the synchronous cleaning of the screen cylinder and the stirring paddle can be carried out after the concentration treatment.
Specifically, a cleaning liquid channel t is formed inside the upper shaft body 301, the cleaning mechanism 4 includes a first cleaning pipeline g1 located above the filter screen cylinder 2 and communicated with the cleaning liquid channel t, a second cleaning pipeline g2 extending downward from the first cleaning pipeline g1 away from the end of the upper shaft body 301, a water discharge pipeline g3 and a water supply component, the first cleaning pipeline g1 extends along the radial direction of the filter screen cylinder 2, and the second cleaning pipeline g2 extends along the axial direction of the filter screen cylinder 2.
In this case, a cleaning hole is opened directly in the cleaning pipe or a nozzle is installed, and the cleaning liquid is sprayed from the cleaning hole or the nozzle to wash the periphery of the filter screen cylinder.
In summary, the implementation process of this embodiment is as follows:
mud gets into from advancing mud passageway 1a, assembles through the direction that connects hopper 5 and sends into concentrated district N with mud, in the rotation of stirring rake 31, progressively with mud concentration, muddy water filters to drainage district L from filter screen cylinder 2, and under the design of the muddy water passageway hole k that the flight 310 formed, the muddy water that is located concentrated district inside assembles to muddy water passageway hole k, and filter to drainage district L from filter screen cylinder 2 after surging upward, at this moment, the water in the concentrated district N is strained to drainage district L, mud is carried to discharging channel 1 b.
Therefore, the present embodiment has the following advantages:
1. the multi-spiral-piece stirring paddle is arranged, so that the sludge concentration efficiency is increased, the sludge water is conveniently filtered out, and the sludge is conveniently conveyed from the sludge inlet channel to the sludge outlet channel;
2. under the arrangement of the muddy water channel holes, water in the concentration area is convenient to converge, upwells and then is filtered to the water filtering area, so that the sludge concentration efficiency and effect are further improved, the water content of the concentrated sludge is reduced, and the subsequent dehydration difficulty and dehydration cost of the sludge are also reduced;
3. the scraper component consisting of the spring plate and the flexible scraper can effectively reduce the wear rate and the noise of the filter screen cylinder and prevent the mesh of the filter screen cylinder from being blocked by sludge;
4. the orthographic projection of the muddy water channel holes on the horizontal plane of the plurality of spiral pieces is a plurality of notches which are uniformly distributed around the center of the shaft body at intervals, so that water in a concentration area can be uniformly gathered to the notches, the concentrated water can be conveniently splashed and then discharged to a water filtering area, and meanwhile, the tops and the bottoms of the plurality of spiral pieces are respectively arranged in an aligned mode, so that the forming of a stirring paddle is facilitated, and the optimal concentration effect can be provided;
5. the cleaning mechanism and the stirring shaft move synchronously, so that the filter screen cylinder can be cleaned synchronously or regularly (regularly) on the premise of not influencing concentration, the blockage of the filter screen holes is avoided, and the water filtering efficiency and effect are improved;
6. the funnel type quick guide of the mud inlet channel is converged to the concentration area, and due to the design, mud can be quickly fed, and mud can be prevented from splashing indiscriminately.
The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a vertical sludge concentration device, its includes concentrated section of thick bamboo, filter screen section of thick bamboo, rabbling mechanism, wherein concentrated roof portion be equipped with into mud passageway, the bottom is equipped with out mud passageway, concentrated section of thick bamboo with form the filtered water district between the filter screen section of thick bamboo, rabbling mechanism is located in the filter screen section of thick bamboo and form concentrated district, the rabbling mechanism includes (mixing) shaft and stirring rake, its characterized in that:
the stirring paddle comprises a plurality of spiral sheets which are alternately wound on the stirring shaft, wherein the outer side surface of each spiral sheet is attached to the inner wall of the filter screen cylinder, a plurality of muddy water channel holes which are communicated up and down are formed in the inner side of each spiral sheet, the muddy water channel holes extend along the winding direction of the spiral sheets or the muddy water channel holes are distributed at intervals along the winding direction of the spiral sheets, and water in the concentration area is filtered to the water filtering area from the filter screen cylinder after moving towards the top from the position between the stirring paddle and the filter screen cylinder and from the muddy water channel holes.
2. The vertical sludge thickening apparatus according to claim 1, wherein: the muddy water channel hole is positioned at the joint of the spiral piece and the stirring shaft.
3. The vertical sludge thickening apparatus according to claim 1, wherein: the muddy water passageway hole has a plurality ofly, the multi-disc on the spiral piece muddy water passageway hole is along (mixing) shaft length direction interval and alignment distribution from top to bottom.
4. The vertical sludge thickening apparatus according to claim 3, wherein: the orthographic projection of the muddy water channel holes on the horizontal plane on the plurality of spiral pieces is a plurality of notches which are uniformly distributed around the center of the stirring shaft at intervals.
5. The vertical sludge thickening apparatus according to claim 1, wherein: the top and the bottom of the plurality of spiral pieces are respectively arranged in an aligned mode.
6. The vertical sludge thickening apparatus according to claim 1, wherein: every the helical blade includes that fixed winding is at the epaxial piece body of stirring, connects the spring board in the piece body outside and setting are in the flexible doctor-bar in the spring board outside, wherein flexible doctor-bar is contradicted from the outside and is laminated filter screen section of thick bamboo inner wall.
7. The vertical sludge thickening apparatus according to claim 1, wherein: and the top of the filter screen cylinder is provided with a receiving hopper with the caliber gradually reduced, wherein the upper end part of the receiving hopper is communicated with the mud inlet channel.
8. The vertical sludge thickening apparatus according to claim 1, wherein: the sludge concentration device further comprises a cleaning mechanism which is arranged in the water filtering area and can clean the periphery of the filter screen cylinder.
9. The vertical sludge thickening apparatus according to claim 8, wherein: the cleaning mechanism and the stirring shaft move synchronously to clean the periphery of the filter screen cylinder.
10. The vertical sludge thickening apparatus according to claim 9, wherein: the stirring shaft comprises a shaft body, an upper shaft body and a lower shaft body, wherein the upper shaft body and the lower shaft body are formed at the upper end part and the lower end part of the shaft body, the lower shaft body is in relative rotating connection with the bottom of the concentration cylinder and the filter screen cylinder through a shaft seat, the upper shaft body penetrates out of the filter screen cylinder and the top of the concentration cylinder, a cleaning liquid channel is formed inside the upper shaft body, the cleaning mechanism comprises a first cleaning pipeline, a second cleaning pipeline, a drainage pipeline and a water supply component, the first cleaning pipeline is located above the filter screen cylinder and communicated with the cleaning liquid channel, the second cleaning pipeline is far away from the end part of the upper shaft body and extends downwards, the first cleaning pipeline extends along the radial direction of the filter screen cylinder, and the second cleaning pipeline extends along the axial direction of the filter screen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340556.XA CN114644438B (en) | 2022-03-31 | 2022-03-31 | Vertical sludge concentration device |
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