CN114538737A - Vertical sludge concentration system - Google Patents
Vertical sludge concentration system Download PDFInfo
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- CN114538737A CN114538737A CN202210343348.5A CN202210343348A CN114538737A CN 114538737 A CN114538737 A CN 114538737A CN 202210343348 A CN202210343348 A CN 202210343348A CN 114538737 A CN114538737 A CN 114538737A
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- 239000010802 sludge Substances 0.000 title claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000003756 stirring Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims description 47
- 238000003825 pressing Methods 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000008719 thickening Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000018044 dehydration Effects 0.000 abstract description 8
- 238000006297 dehydration reaction Methods 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process 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
- 230000003031 feeding effect Effects 0.000 description 1
- 210000001503 joint Anatomy 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
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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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
- C02F11/126—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a vertical sludge concentration system, which comprises a concentration unit and a sludge outlet unit, wherein the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism; the mud discharging unit comprises a first side plate and a second side plate; a first and a second end plate; a spring plate bent from outside to inside; a multi-link interlocked adjustment assembly. On one hand, the multi-spiral-piece stirring paddle is arranged, so that the sludge concentration efficiency is increased, water in the concentration area is convenient to converge, upwells and then is filtered to the water filtering area, 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; on the other hand adjusts the width of mud outlet relatively balancedly under many connecting rods interlocking, conveniently controls mud volume accurately, and the compaction force that provides simultaneously is relatively even to mud outlet inner wall is levelled and smooth and easy mud of going out of being convenient for, simple structure, the implementation of being convenient for relatively.
Description
Technical Field
The invention belongs to the field of sludge treatment equipment, and particularly relates to a vertical sludge concentration system.
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 equipment generally comprises a concentration unit and a dehydrator which are independently arranged, when sludge treatment is carried out, the concentration unit is firstly used for concentrating the thinner sludge, and the sludge with the reduced water content after concentration enters the dehydrator for dehydration.
At present, the vertical sludge concentration system 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.
Simultaneously, the vertical concentrated unit that adopts corresponds mud outlet and extends basically horizontally, and it includes first panel and the second panel that top-down distance diminishes gradually the setting, be located both ends and with first panel and second panel constitute the first end plate and the second end plate of mud cavity and the mud baffle of installing in first panel or second panel bottom of upset regulation, wherein through the convertible thickness of adjusting mud outlet of mud baffle, control mud volume.
However, the mode of the flip adjustment has the following technical problems:
1. once the sludge is formed, if the control of the sludge discharge amount is desired, the sludge discharge thickness is generally adjusted to change the sludge discharge amount, however, especially in the adjustment process of the sludge discharge thickness becoming smaller, the direct turning adjustment is very difficult and difficult to control;
2. space and sealing are needed for turning adjustment, so that the smoothness of the inner wall surface of the mud outlet baffle plate can be changed along with the change of the angle of the mud outlet baffle plate, the mud outlet efficiency can be influenced, and the mud outlet quantity can be further influenced;
3. although the thickness of the discharged sludge is kept consistent, the compaction force provided by the sludge discharge baffle is smaller as the sludge discharge baffle is closer to the sludge outlet, so the sludge discharge amount is also influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved vertical sludge concentration system.
In order to solve the technical problems, the invention adopts the following technical scheme:
a vertical sludge concentration system comprises a concentration unit and a sludge outlet unit, wherein the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism, a sludge inlet channel is arranged at the top of a concentration box, a sludge outlet channel is arranged at the bottom of the concentration box, a water filtering area is formed between the concentration cylinder and the filter screen cylinder, the stirring mechanism is positioned in the filter screen cylinder and forms a concentration area, and the stirring mechanism comprises a stirring shaft and a stirring paddle; the mud discharging unit comprises a first side plate and a second side plate which are positioned at two sides, and a first end plate and a second end plate which are positioned at two ends, wherein the first side plate, the second side plate, the first end plate and the second end plate form a mud discharging cavity which is inclined inwards from two sides from top to bottom, the upper part of the mud discharging cavity is communicated with a mud discharging channel, particularly,
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 muddy water channel hole which is communicated up and down is formed in the inner side of each spiral sheet, the muddy water channel hole extends along the winding direction of the spiral sheet or the muddy water channel holes are provided with a plurality of muddy water channel holes and are distributed at intervals along the winding direction of the spiral sheet, and water in the concentration area is filtered to the water filtering area from the filter screen cylinder after moving to the top from the position between the stirring paddle and the filter screen cylinder and from the muddy water channel holes;
the lower tip of first curb plate and the cylinder laminating of hydroextractor, it still includes the spring board of bending from outside to inside, many connecting rods interlocking formula adjusting part to go out the mud unit, and wherein the hem of spring board is aligned with the lower extreme face of second curb plate, and spring board upper portion fixes in the second curb plate is inboard or the outside, lower part downwardly extending and with the lower tip formation mud mouth of first curb plate, many connecting rods interlocking formula adjusting part keep adjusting the distance of the relative cylinder in spring board lower part under relative locking state with the size of adjusting mud mouth many connecting rods.
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 comprises a blade body fixedly wound on the stirring shaft, a spring plate connected to an outer side of the blade body, and a flexible scraper blade provided on an outer side of the spring plate, wherein the flexible scraper blade is in interference fit with 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 concentration unit 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.
According to another specific implementation and preferable aspect of the invention, the adjusting assembly comprises a plurality of adjusting single bodies distributed at intervals along the length direction of the sludge outlet, and a power device used for synchronously connecting and synchronously adjusting the plurality of adjusting single bodies. Therefore, the width of the sludge outlet is consistent, and the accurate control of the sludge discharge is facilitated.
Preferably, each adjusting single body comprises a first adjusting rod, a second adjusting rod and a third adjusting rod which can be locked relatively, wherein the first adjusting rod is rotatably arranged from the middle part; one end of the second adjusting rod is rotatably connected with one end of the first adjusting rod, and the other end of the second adjusting rod is fixed on the outer side of the lower part of the spring plate; the two ends of the third adjusting rod are respectively connected with the second side plate and the rotating center of the first adjusting rod in a rotating mode, and the power device acts on the other end of each first adjusting rod and is used for driving the first adjusting rods to rotate around the rotating point synchronously for adjusting. The three rods are arranged, so that the width of the sludge outlet can be quantitatively adjusted conveniently.
Preferably, a first connecting seat is fixedly arranged on the outer side of the lower portion of the spring plate, a second connecting seat is fixedly arranged on the outer side of the second side plate, the end portion of the second adjusting rod is fixedly connected with the first connecting seat, the end portion of the third adjusting rod is rotatably connected with the second connecting seat, and turning points of two end portions of the third adjusting rod and turning points of the second adjusting rod form a closed triangle. Stable in structure, the effort that provides is fairly even, ensures that the closely knit degree of play mud is the same, is favorable to the control of play mud volume.
According to another specific implementation and preferable aspect of the invention, the power device comprises a power compression bar extending along the length direction of the sludge outlet, a connecting body which is integrally arranged with the power compression bar and is movably connected with the end part of each first adjusting bar far away from the spring plate, and a driving part for driving the power compression bar to lift up and down, wherein the connecting body drives the first adjusting bars to rotate around the rotation point in the lifting movement of the power compression bar. The lifting motion of one power pressure lever is adopted, so that the first adjusting rods synchronously rotate.
Preferably, a sliding groove extending in a length direction of the shaft is formed at an end of the first adjusting lever away from the spring plate, and the link moves in the sliding groove to adjust the angle of the first adjusting lever. The first adjusting rod is turned over around the turning point through the linear motion of the connecting body.
According to still another embodiment and preferred aspect of the present invention, an upper portion of the spring plate is fixed to an outer side of the second side plate, and an inner side wall of the lower portion of the spring plate is aligned with a lower end surface of the second side plate and extends downward. So that the sludge can be smoothly discharged from the sludge outlet.
Preferably, the lower part of the spring plate is also provided with a flexible scraper which is abutted against the inner wall of the mud inlet channel of the dewatering machine. Thus, the abrasion of the inner wall of the mud inlet channel, particularly the inner wall of the mud inlet channel in motion, caused by the mud scraper is avoided.
Furthermore, the flexible scraper is fixed on the outer side of the lower part of the spring plate. Avoid built-in sludge output to hinder.
In addition, the lower end of the first side plate is located above the lower end of the second side plate, a mud blocking plate and a flexible pressing plate are further arranged at the lower end of the first side plate, the first side plate and the outer wall of the roller are in transitional connection through the mud blocking plate, and the flexible pressing plate is arranged on the outer wall of the roller in a pressing mode. Therefore, the damping plate prevents the sludge from leaking from the sludge outlet, and the phenomenon that the extrusion force of the sludge on the roller is too large to influence the rotation speed of the roller is avoided.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
on one hand, the multi-spiral-piece stirring paddle is arranged, so that the sludge concentration efficiency is increased, water in the concentration area is convenient to converge, upwells and then is filtered to the water filtering area, 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; on the other hand adjusts the width of mud outlet relatively balancedly under many connecting rods interlocking, conveniently controls mud outlet accurately, and the compaction force that provides simultaneously is even relatively to mud outlet inner wall is level and smooth relatively, do not have upset seam, the smooth and easy mud of play of the mud of being convenient for, simple structure, the implementation of being convenient for.
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 of the structure of a sludge thickening system according to the present invention;
FIG. 2 is a schematic cross-sectional structural view of a concentration unit of the present invention;
FIG. 3 is a schematic cross-sectional view (another perspective) of the configuration of the concentration unit of the present invention;
FIG. 4 is a schematic sectional view taken along line B-B in FIG. 3;
FIG. 5 is a schematic structural view of a sludge discharge unit of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic right-side view of FIG. 7;
wherein: firstly, a concentration unit; 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;
a mud discharging unit; c1a, a first side panel; c1b, a second side panel; C1C, a first end plate; c1d, second end plate; q, a mud outlet cavity; G. a drum; c1, spring plate; c2, adjusting components; c20, adjusting monomer; 201. a first adjusting lever; h. a sliding groove; 202. a second adjusting lever; 203. a third adjusting rod; c21, a power device; 210. a power compression bar; 211. a linker; 212. a drive section; c3, a first connecting seat; c4, a second connecting seat; c5, a flexible blade; c6, mud blocking plates; c7, flexible press plate.
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 to implicitly indicate 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 invention, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via 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. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
As shown in fig. 1, the vertical sludge concentration system of the present embodiment includes a concentration unit (i) and a sludge discharge unit (ii).
Specifically, the concentration unit includes a concentration cylinder 1, a filter screen cylinder 2, a stirring mechanism 3, and a cleaning mechanism 4.
Referring to fig. 2, the concentrating drum 1 is cylindrical and extends vertically, a sludge inlet channel 1a is formed at the top, a sludge outlet channel 1b is formed at the bottom, and the lower end of the sludge outlet channel 1b is in butt joint with a sludge inlet of the dewatering machine.
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. 3, 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. 4, 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. 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.
Meanwhile, the top and bottom of the plurality of spiral pieces 310 are aligned, respectively. The molding of the stirring paddle is convenient, 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 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.
Referring to fig. 5 and 6, the mud discharging unit (C) includes a first side plate C1a and a second side plate C1b located at two sides, and a first end plate C1C and a second end plate C1d located at two ends, wherein the first side plate C1a and the second side plate C1b, the first end plate C1C and the second end plate C1d form a mud discharging cavity q which is inclined from top to bottom and inward from two sides.
The lower end part of the first side plate C1a is attached to a roller G of the dehydrator, and the mud discharging unit II further comprises a spring plate C1 bent from outside to inside and a multi-connecting-rod interlocking adjusting assembly C2.
Specifically, the folded edge of the spring plate C1 is aligned with the lower end surface of the second side plate C1b, and the upper part of the spring plate C1 is fixed outside the second side plate C1b, and the lower part thereof extends downward and forms a mud outlet with the lower end part of the first side plate C1 a.
That is, the upper portion of the spring plate C1 is fixedly coupled to the outer side of the second side plate C1b by means of bolt members, and the inner side wall of the lower portion of the spring plate C1 is aligned with the lower end surface of the second side plate C1b and extends downward. So that the sludge can be smoothly discharged from the sludge outlet.
The multi-link interlocking type adjusting assembly C2 adjusts the distance of the lower part of the spring plate C1 relative to the roller G under the relative locking state of the multi-link to adjust the size of the mud outlet.
As shown in fig. 3 and 4, the adjusting assembly C2 includes a plurality of adjusting single bodies C20 distributed at intervals along the length direction of the mud outlet, and a power device C21 for synchronously connecting and adjusting the plurality of adjusting single bodies C20. Therefore, the width of the mud outlet is consistent, and the mud outlet amount is accurately controlled.
In this example, a first connecting seat C3 is fixedly disposed at an outer side of a lower portion of the spring plate C1, and a second connecting seat C4 is fixedly disposed at an outer side of the second side plate C1b, wherein the first connecting seat C3 and the second connecting seat C4 form a set of adjusting fixing seats, the adjusting single bodies C20 and the adjusting fixing seats are disposed in a one-to-one correspondence manner, and the adjusting fixing seats are used for interlocking connection of a plurality of rods of each adjusting single body C20.
Specifically, each adjusting single C20 comprises a first adjusting lever 201, a second adjusting lever 202 and a third adjusting lever 203 which can be locked relatively, wherein the first adjusting lever 201 is rotatably arranged from the middle; one end of the second adjustment lever 202 is rotatably connected with one end of the first adjustment lever 201, and the other end of the second adjustment lever 202 is fixed on the first connecting seat C3; the two ends of the third adjusting rod 203 are respectively connected with the second connecting seat C4 and the rotation center of the first adjusting rods 201 in a rotating manner, and the power device C21 acts on the other end of each first adjusting rod 201 and is used for driving the first adjusting rods 201 to rotate around the rotation point synchronously for adjustment. The three rods are arranged, so that the width of the sludge outlet can be quantitatively adjusted conveniently.
Therefore, the turning points of the two ends of the third adjustment lever 203 and the turning point of the second adjustment lever 202 form a closed triangle. Stable in structure, the effort that provides is fairly even, ensures that the closely knit degree of play mud is the same, is favorable to the control of play mud volume.
The power device C21 includes a power pressing rod 210 extending along the length direction of the mud outlet, a connecting body 211 integrally disposed with the power pressing rod 210 and movably connected to the end of each first adjusting rod 201 far away from the spring plate C1, and a driving part 212 for driving the power pressing rod 210 to move up and down, wherein the connecting body 211 drives the first adjusting rods 201 to rotate around the rotation point during the lifting movement of the power pressing rod. The lifting motion of one power pressure lever is adopted, so that the first adjusting rods synchronously rotate.
A sliding groove h extending in the shaft length direction is formed at an end of the first adjustment lever 201 distant from the spring plate C1, and the connection body 211 moves in the sliding groove h to adjust the angle of the first adjustment lever 201. The first adjusting rod is turned over around the turning point through the linear motion of the connecting body.
Specifically, the driving portion 212 may drive the power pressing rod 210 to move up and down by using the up-and-down movement of the screw rod.
In addition, the lower part of the spring plate C1 is also provided with a flexible scraper C5, and the flexible scraper C5 abuts against the inner wall of the mud inlet channel of the dehydrator. Thus, the abrasion of the inner wall of the mud inlet channel, particularly the inner wall of the mud inlet channel in motion, caused by the mud scraper is avoided.
A flexible wiper blade C5 is secured to the outside of the lower portion of spring plate C1. Avoid built-in sludge output to hinder.
The lower end of the first side plate C1a is located above the lower end of the second side plate C1b, and the lower end of the first side plate C1a is further provided with a mud blocking plate C6 and a flexible pressing plate C7, wherein the first side plate C1a is transitionally connected with the outer wall of the roller G through the mud blocking plate C6, and the flexible pressing plate C7 is pressed on the outer wall of the roller G. So, the damping plate plays and hinders mud from mud outlet department and leak, avoids mud too big to the extrusion force of cylinder simultaneously, influences cylinder slew velocity.
In summary, the sludge treatment process of this embodiment is as follows:
the sludge enters from the sludge inlet channel 1a, is guided by the receiving hopper 5 to be converged and sent to the concentration area N, in the rotation of the stirring paddle 31, the sludge is gradually concentrated, the muddy water is filtered to the water filtering area L from the filter screen cylinder 2, and under the design of the muddy water channel hole k formed by the spiral sheet 310, the muddy water positioned in the concentration area is gathered towards the muddy water channel hole k, and is filtered to a water filtering area L from the filter screen cylinder 2 after surging upwards, water in a concentration area N is filtered to the water filtering area L, sludge is conveyed to a discharge channel 1b, the concentrated sludge enters a sludge outlet cavity q below, in the process of up-and-down lifting of the power pressure lever 210, the first adjusting lever 201 is turned upwards or downwards around the middle turning point, at this time, three turning points forming a closed triangle relatively move, so that the lower part of the spring plate C1 is close to or far away from the roller G to adjust the width of the mud outlet uniformly.
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 in the mud inlet channel is converged to the concentration area, and by the design, mud can be quickly fed and the mud can be prevented from being splashed;
7. the width of the mud outlet is relatively and uniformly adjusted under the interlocking of the multiple connecting rods, so that the mud outlet amount is conveniently and accurately controlled, and the provided compaction force is relatively uniform;
8. the inner wall of the sludge outlet is relatively flat and has no turning seam, so that the sludge can be smoothly discharged conveniently, and the structure is simple and the implementation is convenient;
9. the damping plate prevents the sludge from leaking from the sludge outlet, and simultaneously avoids the phenomenon that the extrusion force of the sludge on the roller is too large to influence the rotation speed of the roller;
10. the arrangement of the flexible scraping blade and the flexible pressing plate avoids the movable mud sticking caused by the inner wall of the mud inlet channel and avoids the abrasion of the inner wall of the mud inlet channel.
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. A vertical sludge concentration system comprises a concentration unit and a sludge outlet unit, wherein the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism, a sludge inlet channel is arranged at the top of a concentration box, a sludge outlet channel is arranged at the bottom of the concentration box, a water filtering area is formed between the concentration cylinder and the filter screen cylinder, the stirring mechanism is positioned in the filter screen cylinder and forms a concentration area, and the stirring mechanism comprises a stirring shaft and a stirring paddle; go out the mud unit including first curb plate and the second curb plate that is located both sides, the first end plate and the second end plate that are located both ends, wherein first curb plate and second curb plate first end plate and second end plate constitute a top-down and from the play mud chamber of both sides leanin, go out the upper portion in mud chamber with it is linked together its characterized in that to go out the mud passageway:
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 muddy water channel hole which is communicated up and down is formed in the inner side of each spiral sheet, the muddy water channel hole extends along the winding direction of the spiral sheet or the muddy water channel holes are distributed at intervals along the winding direction of the spiral sheet, and water in the concentration area is filtered to the water filtering area from the filter screen cylinder after moving from the position between the stirring paddle and the filter screen cylinder and from the muddy water channel hole to the top;
the lower tip of first curb plate is laminated with the cylinder of hydroextractor, it still includes the spring board of buckling from outside to inside, many connecting rods interlocking formula adjusting part to go out the mud unit, wherein the hem of spring board with the lower extreme face of second curb plate is aligned, just spring board upper portion is fixed the second curb plate is inboard or the outside, lower part downwardly extending and with the lower tip of first curb plate forms out mud mouth, many connecting rods interlocking formula adjusting part keep adjusting under relative locking state spring board lower part is relative the distance of cylinder is in order to adjust the size of play mud mouth.
2. The vertical sludge thickening system of claim 1, wherein: the tops and the bottoms of the plurality of spiral pieces are respectively arranged in an aligned manner; the muddy water channel hole is positioned at the joint of the spiral piece and the stirring shaft.
3. The vertical sludge thickening system of claim 1, wherein: the spiral pieces are arranged on the stirring shaft, and the spiral pieces are vertically arranged at intervals along the length direction of the stirring shaft and are aligned with each other.
4. The vertical sludge thickening system of 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 system of claim 1, wherein: the concentration unit also comprises a cleaning mechanism which is arranged in the water filtering area and can clean the periphery of the filter screen cylinder, 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 relatively rotatably connected with the concentration cylinder and the bottom of the filter screen cylinder through a shaft seat, the upper shaft body penetrates out of the top of the filter screen cylinder and the top of the concentration cylinder, wherein 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 is communicated with the cleaning liquid channel, a second cleaning pipeline which extends downwards from the first cleaning pipeline away from the end part of the upper shaft body, a drainage pipeline and a water supply part, the first cleaning line extends in the radial direction of the screen cylinder and the second cleaning line extends in the axial direction of the screen cylinder.
6. The vertical sludge thickening system of claim 1, wherein: the adjusting assembly comprises a plurality of adjusting single bodies and a power device, the adjusting single bodies are distributed at intervals along the length direction of the sludge outlet, the power device is used for synchronously connecting and adjusting the adjusting single bodies, each adjusting single body comprises a first adjusting rod, a second adjusting rod and a third adjusting rod, the first adjusting rod, the second adjusting rod and the third adjusting rod can be locked relatively, and the first adjusting rod is arranged in a rotating mode from the middle; one end of the second adjusting rod is rotatably connected with one end of the first adjusting rod, and the other end of the second adjusting rod is fixed on the outer side of the lower part of the spring plate; and two end parts of the third adjusting rod are respectively connected with the second side plate and the rotating center of the first adjusting rod in a rotating mode, and the power device acts on the other end part of each first adjusting rod and is used for driving the first adjusting rods to rotate around the rotating point synchronously for adjustment.
7. The vertical sludge thickening system of claim 6, wherein: the outer side of the lower portion of the spring plate is fixedly provided with a first connecting seat, the outer side of the second side plate is fixedly provided with a second connecting seat, the second adjusting rod is fixedly connected with the first connecting seat from the end portion, the third adjusting rod is rotatably connected with the second connecting seat from the end portion, and turning points of two end portions of the third adjusting rod and turning points of the second adjusting rod form a closed triangle.
8. The vertical sludge thickening system of claim 7, wherein: the power device comprises a power compression bar extending along the length direction of the sludge outlet, a connector and a driving part, wherein the connector is integrally arranged with the power compression bar and is movably connected with the end part of each first adjusting rod far away from the spring plate, the driving part is used for driving the power compression bar to ascend and descend, and the connector drives the first adjusting rods to rotate around a rotating point in the ascending and descending movement of the power compression bar.
9. The vertical sludge thickening system of claim 8, wherein: and a sliding groove extending along the length direction of the rod body is formed at the end part of the first adjusting rod far away from the spring plate, and the connecting body moves in the sliding groove to adjust the angle of the first adjusting rod.
10. The vertical sludge thickening system of claim 1, wherein: the upper part of the spring plate is fixed on the outer side of the second side plate, the inner side wall of the lower part of the spring plate is aligned with the lower end surface of the second side plate and extends downwards, and a flexible scraper is arranged on the lower part of the spring plate and abuts against the inner wall of a mud inlet channel of the dehydrator; the flexible scraper is fixed on the outer side of the lower part of the spring plate; the lower end of the first side plate is located above the lower end of the second side plate, a mud blocking plate and a flexible pressing plate are further arranged at the lower end of the first side plate, the first side plate is in transitional connection with the outer wall of the roller through the mud blocking plate, and the flexible pressing plate is pressed on the outer wall of the roller.
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