CN114804574A - Vertical sludge concentration and dehydration integrated machine - Google Patents

Vertical sludge concentration and dehydration integrated machine Download PDF

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Publication number
CN114804574A
CN114804574A CN202210343386.0A CN202210343386A CN114804574A CN 114804574 A CN114804574 A CN 114804574A CN 202210343386 A CN202210343386 A CN 202210343386A CN 114804574 A CN114804574 A CN 114804574A
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China
Prior art keywords
sludge
mud
cleaning
concentration
extrusion
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CN202210343386.0A
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Chinese (zh)
Inventor
王方清
吴亮亮
庄利华
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Zhejiang Kclear Environmental Protection Equipment Co ltd
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Zhejiang Kclear Environmental Protection Equipment Co ltd
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Priority to CN202210343386.0A priority Critical patent/CN114804574A/en
Publication of CN114804574A publication Critical patent/CN114804574A/en
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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
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations

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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)
  • Treatment Of Sludge (AREA)

Abstract

The invention relates to a vertical sludge concentration and dehydration integrated machine, which comprises a sludge concentration system and a sludge dehydration system, wherein the sludge concentration system comprises a concentration unit and a sludge discharge unit, and the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism; the sludge dewatering system comprises a squeezing roller and a squeezing plate which can rotate around the axis of the squeezing roller. 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, the extension of the length of the arc extrusion channel is passed, the thickness change rate is small, the dehydration rate is effectively improved, and simultaneously, under the transmission of the arc extrusion channel formed by the equidirectional movement, the sludge after dehydration is convenient to discharge, so that the dehydration efficiency is further improved.

Description

Vertical sludge concentration and dehydration integrated machine
Technical Field
The invention belongs to the field of sludge treatment equipment, and particularly relates to a vertical sludge concentration and dehydration integrated machine.
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 sludge dewatering system which are independently arranged, when sludge treatment is carried out, the concentration unit is firstly utilized to concentrate thinner sludge, and the sludge with reduced water content after concentration enters the sludge dewatering system for dewatering.
At present, the vertical sludge thickening 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 sludge dewatering system dehydration like this, also can increase sludge dewatering cost.
Simultaneously, the vertical concentration unit's 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 the 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 can be changed along with the change of the angle of the mud outlet baffle, 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.
Simultaneously, the sludge dewatering system who adopts is by two kinds more of electric osmosis formula and squeeze roll extrusion formula, however to squeeze roll extrusion formula, it mainly forms the extrusion passageway through squeeze roll and corresponding stripper plate, and sludge after the concentration gets into and carries out the extrusion dehydration again in the extrusion passageway.
However, the extrusion channel has a short forming length, and a change rate of the extrusion channel is very large to obtain a good dewatering efficiency and effect, so that the following technical defects are present:
1. the efficiency of discharging sludge from the extrusion channel is very low, and the dehydration rate is influenced because the extrusion channel is too short;
2. the stresses that develop on the press rolls and the press plates are very high and therefore easily cause deformations affecting the rate of thickness change of the press channel and consequently the dewatering.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved vertical sludge concentration and dehydration integrated machine.
In order to solve the technical problems, the invention adopts the following technical scheme:
a vertical sludge concentration and dehydration integrated machine comprises a sludge concentration system and a sludge dehydration system, wherein the sludge concentration system comprises a concentration unit and a sludge discharge unit, the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism, 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 the concentration area, and the stirring mechanism comprises a stirring shaft and a stirring paddle; the sludge dewatering system comprises an extrusion roller and an extrusion plate which can rotate around the axis of the extrusion roller, wherein an arc-shaped extrusion channel is formed between the outer wall of the extrusion roller and the extrusion plate, the arc-shaped extrusion channel is provided with a sludge inlet and a sludge outlet, the length of the arc-shaped extrusion channel is L, the perimeter of the extrusion roller is C, 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 muddy water channel hole which is communicated up and down is formed in the inner side of each spiral sheet, the muddy water channel holes extend along the winding direction of the spiral sheets or 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 to the top from the stirring paddle and the filter screen cylinder and from the muddy water channel hole;
1/2C is less than or equal to L is less than or equal to 5/6C, the stripper plate comprises annular filter belt, the thickness that the arc extrusion passageway formed at mud inlet and mud outlet is h1 and h2 respectively, wherein h2 is less than h1, and the arc extrusion passageway thickness that becomes gradually from mud inlet to mud outlet, sludge dewatering system still includes the mud outlet guide way that sets up in mud outlet, annular filter belt is unanimous with the direction of motion of extrusion cylinder and transmits mud from mud inlet to mud outlet guide way. Preferably, the mud discharging unit comprises a first side plate and a second side plate which are positioned at two sides, a first end plate and a second end plate which are positioned at two ends, wherein the first side plate and the second side plate, the first end plate and the second end plate form a sludge outlet cavity which is inclined inwards from top to bottom and from two sides, the upper part of the sludge outlet cavity is communicated with a sludge outlet channel, the lower end part of the first side plate is attached to a squeezing roller of a sludge dewatering system, the sludge outlet unit further comprises a spring plate which is bent from outside to inside, and a multi-connecting-rod interlocking type adjusting assembly, the lower end face of the first side plate is provided with a folding edge, the folding edge is aligned with the lower end face of the second side plate, the upper portion of the spring plate is fixed on the inner side or the outer side of the second side plate, the lower portion of the spring plate extends downwards and forms a mud outlet with the lower end portion of the first side plate, and the multi-connecting-rod interlocking type adjusting assembly adjusts the distance between the lower portion of the spring plate and the squeezing roller under the condition that the multi-connecting rods are kept in a relative locking state so as to adjust the size of the mud outlet. The width of mud outlet is adjusted to relative equilibrium 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, and the smooth and easy mud of going out of the mud of being convenient for, simple structure, the implementation of being convenient for.
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 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 mud outlet is consistent, and the mud outlet amount is accurately controlled.
Preferably, each adjusting unit 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 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 at 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 mud 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 turning points during 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 abuts against the inner wall of the sludge inlet channel of the sludge dewatering system. 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 part of the first side plate is positioned above the lower end part of the second side plate, a mud blocking plate and a flexible pressing plate are further arranged at the lower end part of the first side plate, the first side plate and the outer wall of the squeezing roller are in transitional connection through the mud blocking plate, and the flexible pressing plate is arranged on the outer wall of the squeezing roller in a pressing mode. Therefore, the damping plate prevents the sludge from leaking from the sludge outlet, and meanwhile, the extrusion force of the sludge on the extrusion roller is prevented from being too large, so that the rotating speed of the extrusion roller is prevented from being influenced.
Preferably, the annular filter belt comprises a filter belt body and a transmission roller group formed in the filter belt body, wherein the transmission roller group comprises a plurality of extrusion rollers, mud discharging transmission rollers and transfer transmission rollers which are distributed around the center of the extrusion roller at intervals, and the filter belt body is sleeved on the extrusion rollers, the mud discharging transmission rollers and the transfer transmission rollers and forms a closed ring. So, form the effective support of arc extrusion passageway through the squeeze roll, carry out mud guiding channel through going out mud transmission roller with the mud after the extrusion, through the transfer transmission of transfer transmission roller, realize the annular motion of annular filter belt.
Further, the extrusion roller can be movably adjusted and arranged along the radial direction of the extrusion roller. Therefore, the thickness of the arc-shaped extrusion channel is adjusted according to actual requirements so as to meet the extrusion requirements.
According to a specific implementation and preferred aspect of the invention, the mud discharging conveying roller is in synchronous transmission connection with the squeezing roller, and the squeezing roller and the filter belt body move synchronously. Therefore, the same power source can be shared, and the synchronous movement of the squeezing roller and the filter belt body is convenient to control.
According to a further embodiment and preferred aspect of the present invention, the sludge dewatering system further comprises a squeezing base formed therein with a closed squeezing chamber formed with the belt body and the squeezing roller; and the negative pressure vacuumizing mechanism is communicated with the extrusion cavity of the extrusion seat, wherein a mud outlet guide channel is formed between the filter belt body between the mud outlet and the mud outlet transmission roller and the extrusion seat, the negative pressure vacuumizing mechanism keeps negative pressure in the extrusion cavity, and water removed by extrusion is pumped out of the extrusion cavity. Draw water through the negative pressure, not only make things convenient for the collection that filters out muddy water from the filter belt body, can further promote the extrusion dehydration rate moreover (avoid the filtration pore to appear blockking up, in case there is water can the suction simultaneously).
According to another specific implementation and preferable aspect of the invention, the sludge delivery roll is flush with the uppermost squeeze roll, the belt body constituting the sludge guide channel is horizontal, the sludge dewatering system further comprises an inlet sludge guide member and an outlet sludge guide member respectively arranged at the inlet and the outlet of the sludge guide channel, wherein the inlet sludge guide member comprises a sludge inlet scraper extending along the length direction of the squeeze roll and having a lower part abutting against the surface of the squeeze roll, and an arc-shaped sludge guide plate arranged at the top of the sludge inlet scraper and having an arc-shaped transition to the top of the squeeze base; the outlet mud guide piece comprises a mud discharging joint and a mud discharging scraper, wherein the mud discharging joint is butted with an arc-shaped channel formed at the mud discharging conveying roller and extends along the tangential direction, and the mud discharging scraper is arranged in the mud discharging joint and is abutted against the surface of the filter belt body. The guide and mud inlet scrapers are formed at the inlet of the mud outlet guide channel, so that the mud can conveniently enter the mud outlet guide channel, and the probability that the mud is adhered to the surface of the extrusion roller is reduced under the scraping of the mud scrapers; the mud that unloads that export formation of mud guide way connects and goes out the mud scraper blade, and the mud of being convenient for is thrown away from going out mud guide way, and what go out the mud scraper blade simultaneously scrapes and establishes down, reduces the probability that mud bonds and strains the surface at the annular.
Preferably, a mud discharging channel is formed in the mud discharging joint, the angle formed by the mud discharging channel and the vertical direction is 30-60 degrees, and the mud discharging scraper plate forms the bottom wall of the mud discharging channel. The formed sludge scraping effect is good, the sludge is convenient to centrifugally throw away, and the sludge yield is improved.
Preferably, the mud outlet is positioned above the mud inlet, and the mud inlet extends up and down to be tangential to the circumferential direction of the extrusion roller. Thus being beneficial to the concentrated sludge to enter the arc-shaped extrusion channel and increasing the dehydration efficiency.
In addition, the surface of the extrusion roller is provided with water filtering holes, the sludge dewatering system further comprises an extrusion roller cleaning mechanism for respectively cleaning the surface of the extrusion roller and a filter belt cleaning mechanism for respectively cleaning the front surface and the back surface of the annular filter belt, and the extrusion roller cleaning mechanism and the filter belt cleaning mechanism synchronously clean the extrusion roller and the annular filter belt. The squeezing roller collects the internally filtered mud water from the water filtering holes, so that the dehydration rate is improved; simultaneously, under the setting of clean mechanism, avoid the filtration pore of straining pore and annular filter belt to block up to promote the dehydration rate of mud extrusion.
Furthermore, the squeeze roller cleaning mechanism is positioned between the sludge inlet and the sludge outlet, the filter belt cleaning mechanism is positioned on two sides of the moving path of the annular filter belt, and the squeeze roller cleaning mechanism and the filter belt cleaning mechanism respectively comprise a cleaning seat forming a cleaning cavity, a cleaning rolling brush positioned in the cleaning cavity and a cleaning liquid pipeline, wherein the cleaning liquid pipeline comprises a liquid inlet pipe communicated with the water outlet of the sludge concentration cylinder and a drain pipe communicated with the cleaning seat; and the cleaning roller brushes of the cleaning mechanisms of the squeezing roller and the cleaning roller brushes of the cleaning mechanisms of the filtering belts positioned at two sides of the annular filtering belt are staggered up and down and rotate synchronously and oppositely. Such a layout, not only rational in infrastructure, extrusion cylinder outer wall and annular filter belt directly form clear arc extrusion passageway after clean moreover. Meanwhile, the cleaning roller brushes move oppositely, so that the cleaning roller brushes are not only beneficial to cleaning, but also beneficial to the movement of the squeezing roller and the annular filter belt, and especially the cleaning efficiency and the cleaning effect of the annular filter belt are further improved in the staggered and opposite movement of the front surface and the back surface of the annular filter belt.
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, the extension of the length of the arc extrusion channel is passed, the thickness change rate is small, the dehydration rate is effectively improved, and simultaneously, under the transmission of the arc extrusion channel formed by the equidirectional movement, the sludge after dehydration is convenient to discharge, so that the dehydration efficiency is further improved.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a schematic front view of an integrated sludge thickening and dewatering machine according to the present invention;
FIG. 2 is an enlarged view of the sludge thickening system according to the present invention (omitting the sludge discharge passage structure);
FIG. 3 is another schematic cross-sectional view of the sludge thickening system of FIG. 2 (omitting the sludge discharge channel structure);
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;
FIG. 9 is a rear view of FIG. 1;
FIG. 10 is a schematic cross-sectional view of the structure of FIG. 2;
wherein: i, a sludge concentration system; 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; 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;
II, a sludge dewatering system; j1, squeeze rolls; j2, squeeze plate (endless belt); j20, filter belt body; j21, transport roller set; j210, squeeze roll; j211, a mud discharging conveying roller; j212, a transfer roller; j213, a filter belt tensioning adjusting roller; j3, extrusion seat; j4, a negative pressure vacuum pumping mechanism; 40. a vacuum water tank; 41. an air exhaust pipe; 42. a water pumping pipe; 43. a vacuum pump; j5, a mud outlet guide channel; j6, an inlet mud guide piece; 60. a mud feeding scraper plate; 61. an arc-shaped mud guide plate; 610. a rounded corner portion; 611. an inclined portion; j7, an outlet mud guide piece; 70. a mud discharging joint; 71. a mud scraper is used for discharging mud; j8, squeeze roller cleaning mechanism; j9, a filter belt cleaning mechanism; 80, 90, a cleaning seat; 81, 91, cleaning a rolling brush; 82, 92, a cleaning liquid pipeline; 820, 920, liquid inlet pipe; 821, 921, drain pipe; q, an arc-shaped extrusion channel; c1, c2, c6 and gears; c3, c7, synchronization chain; c4, tension gear; c5, power gear; c8, transmission gear.
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 vertical sludge concentration and dehydration integrated machine of the embodiment includes a sludge concentration system i and a sludge dehydration system ii.
The sludge concentration system I comprises 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 thickening cylinder 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 sludge dewatering system ii.
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 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 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 squeezing roller J1 of the sludge dewatering system, and the sludge discharging unit II further comprises a spring plate C1 bent from outside to inside and a multi-connecting-rod interlocking type 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 between the lower part of the spring plate C1 and the pressing roller J1 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 adjusting lever 202 is rotatably connected to one end of the first adjusting lever 201, and the other end of the second adjusting lever 202 is fixed to the first connecting base 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 sludge inlet channel of the sludge dewatering system. 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, 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 and the outer wall of the squeezing roller J1 are in transitional connection through the mud blocking plate C6, and the flexible pressing plate C7 is pressed on the outer wall of the squeezing roller J1. Therefore, the damping plate prevents the sludge from leaking from the sludge outlet, and meanwhile, the extrusion force of the sludge on the extrusion roller is prevented from being too large, so that the rotating speed of the extrusion roller is prevented from being influenced.
Referring to fig. 9 and 10, the sludge dewatering system ii comprises a squeezing roller J1 capable of rotating around its axis, and a squeezing plate J2, wherein the squeezing plate J2 is formed by an annular filter belt, and an arc-shaped squeezing channel Q is formed between the outer wall of the squeezing roller J1 and the annular filter belt.
Specifically, the thicknesses of the arc-shaped extrusion channel Q formed at the mud inlet and the mud outlet are h1 and h2 respectively, wherein h2 is less than h1, and the thickness of the arc-shaped extrusion channel from the mud inlet to the mud outlet is gradually reduced.
The length of the arc-shaped extrusion channel Q is L, the perimeter of the extrusion roller J1 is C, C is 3/4L, the mud inlet is positioned below the mud outlet, and the arc-shaped extrusion channel Q at the mud inlet extends up and down and is tangent to the circumferential direction of the extrusion roller J1. Therefore, not only can enough extrusion space be ensured, but also the thickness change rate of the formed space is small, and the dehydration rate is effectively improved; meanwhile, the position distribution of the sludge inlet is more favorable for concentrated sludge to enter the arc-shaped extrusion channel Q, and the dehydration efficiency is increased.
The surface of the pressing roller J1 is formed with water filtering holes, and water generated by pressing can be filtered out from the water filtering holes.
The endless belt includes a belt body J20, a set of transport rollers J21 formed within the belt body J20, wherein the belt body J20 may be a conventional belt cloth.
The conveying roller group roller 21 comprises a plurality of extrusion rollers J210, mud discharging conveying rollers J211 and transfer conveying rollers J212 which are distributed around the center of an extrusion roller J1 at intervals, and a filter belt body J20 is sleeved on the extrusion rollers J210, the mud discharging conveying rollers J211 and the transfer conveying rollers J212 and forms a closed ring shape. In this way, effective support of the arc-shaped extrusion channel is formed by the extrusion rollers; the extruded sludge is taken out through a sludge outlet transmission roller; the annular movement of the annular filter belt is realized through the transfer transmission of the transfer transmission roller.
In this example, the conveying roller group J21 further includes a belt tension adjusting roller J213, wherein the tightness of the belt body J20 is adjusted by the belt tension adjusting roller J213, so that the belt body J20 forming the arc-shaped pressing passage Q provides the best pressing effect.
The pressing roller J210 is movably adjustable in the radial direction of the pressing roller J1. Therefore, the thickness of the arc-shaped extrusion channel is adjusted according to actual requirements so as to meet the extrusion requirements.
The mud outlet transmission roller J211 is in synchronous transmission connection with the extrusion roller J1, the extrusion roller J1 and the filter belt body J20 move synchronously, and the sludge is transmitted from the mud inlet to the mud outlet in the same moving direction. Therefore, the same power source can be shared, and the synchronous movement of the squeezing roller and the filter belt body is convenient to control.
Specifically, a gear c1 is formed at the end of the squeezing roller J1, a gear c2 is also arranged at the end of the mud output conveying roller J211, then a synchronous chain c3 is adopted to synchronously connect the two gears c1 and c2, and simultaneously the synchronous chain c3 is in transmission connection with a power gear c5 driven by a motor through a tensioning gear c4, so that under the output of the power gear c5, the squeezing roller J1 and the filter belt body J20 synchronously move.
Meanwhile, the sludge discharging transmission roller J211 is flush with the extrusion roller J210 positioned at the uppermost part, and the sludge dewatering system also comprises an extrusion seat J3, wherein a closed extrusion cavity is formed inside the extrusion seat J3, and the extrusion seat J20 and the extrusion roller J1 form a closed extrusion cavity; and the negative pressure vacuumizing mechanism J4 is communicated with the extrusion cavity of the extrusion seat J3, a mud outlet guide channel J5 is formed between the filter belt body J20 and the extrusion seat J3 from the mud outlet to the mud outlet transmission roller J211, the negative pressure vacuumizing mechanism J4 keeps negative pressure in the extrusion cavity, and water removed by extrusion is pumped out of the extrusion cavity. Draw water through the negative pressure, not only make things convenient for the collection that filters out muddy water from the filter belt body, can further promote the extrusion dehydration rate moreover (avoid the filtration pore to appear blockking up, in case there is water can the suction simultaneously).
Specifically, the negative pressure vacuum pumping mechanism J4 includes a vacuum water tank 40, an air suction pipe 41 and a water suction pipe 42 communicated with the vacuum water tank 40, and a vacuum pump 43 communicated with the air suction pipe 41, wherein the water suction pipe 42 is connected to the extrusion seat J3 and communicated with the extrusion cavity.
The filter belt body forming the sludge guide channel J5 is horizontally arranged, and the sludge dewatering system also comprises an inlet sludge guide member J6 and an outlet sludge guide member J7 which are respectively arranged at the inlet and the outlet of the sludge guide channel J5.
Specifically, the inlet mud guide J6 includes a mud inlet scraper 60 extending along the length direction of the squeeze roller J1 and having a lower portion abutting against the surface of the squeeze roller J1, and an arc-shaped mud guide plate 61 disposed on the top of the mud inlet scraper 60 and having an arc-shaped transition to the top of the squeeze base J3. The direction that forms at play mud guide way entry makes things convenient for mud to get into a mud guide way with going into the mud scraper blade, and establishes at scraping of scraper blade, reduces the probability that mud bonds on the squeeze roll surface.
In this example, the arc-shaped mud guide 61 is integrally formed with the extrusion seat J3, and the arc-shaped mud guide 61 includes a rounded portion 610 and an inclined portion 611 inclined inward, wherein the mud scraper 60 is fixed to the outside of the inclined portion 611, the lower end of the inclined portion 611 forms a guide slope, and the scraped mud is guided along the slope surface into the passage formed by the rounded portion 610.
The outlet mud guide J7 includes a mud discharge joint 70 abutting against the arc-shaped path formed at the mud delivery roller J211 and extending in a tangential direction, and a mud discharge scraper 71 disposed in the mud discharge joint 70 and abutting against the surface of the belt body. The mud that unloads that export formation of mud guide way connects and goes out the mud scraper blade, and the mud of being convenient for is thrown away from going out mud guide way, and what go out the mud scraper blade simultaneously scrapes and establishes down, reduces the probability that mud bonds and strains the surface at the annular.
In this example, a mud discharge channel is formed inside the mud discharge joint 70, the angle formed by the mud discharge channel and the vertical direction is 30 °, and the mud discharge scraper 71 forms the bottom wall of the mud discharge channel. The formed sludge scraping effect is good, the sludge is convenient to centrifugally throw away, and the sludge yield is improved.
The sludge dewatering system further comprises a squeezing roller cleaning mechanism J8 for cleaning the surface of the squeezing roller J1 respectively, and a filter belt cleaning mechanism J9 for cleaning the front and the back of the annular filter belt respectively, and under the arrangement of the cleaning mechanism, the filter holes of the water filtering holes and the annular filter belt are prevented from being blocked, so that the dewatering rate of sludge extrusion is improved.
In this example, the squeeze roller cleaning mechanism J8 is located between the mud inlet and the mud outlet, and the belt cleaning mechanism J9 is located on both sides of the moving path of the endless belt.
Specifically, the squeezing roller cleaning mechanism J8 comprises a cleaning seat 80, a cleaning roller brush 81 and a cleaning liquid pipeline 82, wherein the cleaning liquid pipeline 82 comprises a liquid inlet pipe 820 communicated with the water outlet of the sludge concentration cylinder and a water outlet pipe 821 communicated with the cleaning seat 80.
In this embodiment, the cleaning seat 80 and the outer wall surface of the squeeze roller J1 form a relatively closed cavity, wherein the upper portion of the cavity is communicated with the water outlet of the sludge concentration cylinder through the liquid inlet pipe 820, the cleaning roller 81 extends along the length direction of the squeeze roller J1, and brushes the surface of the squeeze roller J1 around the center line of the length direction and the squeeze roller J1 in opposite direction or reverse direction, and the brushed mud water is discharged from the water outlet pipe 821, so that the squeeze roller J1 is cleaned during operation by the concentrated and separated water, and the water filtering holes on the surface of the squeeze roller are ensured to be not easily blocked.
Two groups of filter belt cleaning mechanisms J9 are arranged on the front and the back of the filter belt body J20 correspondingly.
In this embodiment, taking the front side as an example, the belt cleaning mechanism J9 includes a cleaning base 90, a cleaning roller brush 91, and a cleaning liquid pipeline 92, wherein the cleaning liquid pipeline 92 includes a liquid inlet pipe 920 communicated with the water outlet of the sludge concentration cylinder, and a water outlet pipe 921 communicated with the cleaning base 90.
Specifically, a water receiving cavity is formed in the cleaning seat 90, the cleaning rolling brush 91 is rotatably arranged in the water receiving cavity, and a water outlet of the concentration cylinder is respectively communicated with the two water receiving cavities on the front side and the back side of the filter belt body J20 through branch circuits.
In this embodiment, the cleaning roller brushes 91 corresponding to the front and back surfaces rotate in opposite directions, specifically, the two gears c6 are engaged to rotate in opposite directions, and the synchronous chain c7 is connected to the transmission gear c8 of the cleaning roller brush 81 in a transmission manner, so as to ensure that the squeezing roller J1 and the filter belt body J20 clean synchronously, and the outer wall of the squeezing roller and the annular filter belt directly form a clean arc squeezing channel Q after cleaning.
In addition, the front and rear cleaning rollers 91 are disposed to be vertically offset from each other, so that the cleaning of the belt body J20 can be performed more favorably.
In summary, the implementation process of this embodiment is as follows:
s1, sludge enters from the sludge inlet channel 1a, the sludge is delivered into a concentration area N through the guiding convergence of the receiving hopper 5, the sludge is gradually concentrated in the rotation of the stirring paddle 31, muddy water is filtered from the filter screen cylinder 2 to the water filtering area L, under the design of a muddy water channel hole k formed by the spiral sheet 310, the muddy water in the concentration area is converged towards the muddy water channel hole k, and is filtered from the filter screen cylinder 2 to the water filtering area L after upward surging, the water in the concentration area N is filtered to the water filtering area L, the sludge is conveyed to the discharge channel 1b, the concentrated sludge enters into a sludge outlet cavity q below, the first adjusting rod 201 is turned upwards or downwards around a middle turning point in the vertical lifting process of the power pressure rod 210, at the moment, the three turning points forming a closed triangle relatively move, the lower part of the spring plate C1 is close to or far away from the extrusion roller J1, so as to adjust the width of a sludge outlet uniformly, discharging the concentrated sludge from a sludge outlet;
s2, sludge discharged from a sludge outlet channel of the sludge concentration device enters a sludge inlet of an arc-shaped extrusion channel Q formed by an extrusion roller J1 and an annular filter belt body J20, the sludge is conveyed from the sludge inlet to the sludge outlet under the action of the extrusion roller J1 and the filter belt body J20, extruded negative pressure water is pumped out and filtered to the extrusion roller J1 to be collected in the conveying process, the extruded sludge enters a sludge outlet guide channel J5 and is discharged from the sludge outlet channel under the action of the filter belt body J20 to complete the dehydration of the sludge, and concentrated water flows to an extrusion roller cleaning mechanism J8 and a filter belt cleaning mechanism J9 from a water filtering area L through a liquid inlet pipe 820 and a liquid inlet pipe 920 respectively, so that the cleaning of the extrusion roller J1 and the filter belt body J20 is completed.
Therefore, the present embodiment has the following advantages:
the sludge concentration efficiency is increased through 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; under the arrangement of the muddy water channel holes, water in the concentration area can be conveniently converged, upwelled and filtered to the water filtering area, so that the efficiency and effect of sludge concentration 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; 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 prevent the mesh of the filter screen cylinder from being blocked by sludge; 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; 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; 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; 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; 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; 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 extrusion roller is too large to influence the rotation speed of the extrusion roller; 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.
Secondly, the dehydration rate is effectively improved by the extension of the length of the arc-shaped extrusion channel and the small thickness change rate; the dewatered sludge is conveniently discharged under the transmission of an arc-shaped extrusion channel formed by the equidirectional movement, so that the dewatering efficiency is further improved; under the premise of pumping water under negative pressure, sludge is extruded, and the dehydration rate is further improved; under the arrangement of the mud inlet scraper and the mud outlet scraper, sludge on the squeezing roller and the filter belt body is scraped, and simultaneously, the squeezing roller and the filter belt body are respectively cleaned by the cleaning rolling brush which moves synchronously, so that the water filtering holes of the formed arc-shaped squeezing channel are ensured to be in a smooth state, and the dewatering is facilitated; the water formed by the sludge concentration device is used for cleaning the squeezing roller and the filtering belt body, so that the cleaning is facilitated in the opposite movement of the cleaning roller brush, the squeezing roller and the annular filtering belt move, and especially the cleaning efficiency and the cleaning effect of the annular filtering belt are further improved in the staggered opposite movement of the front surface and the back surface of the annular filtering belt; the mud outlet guide channel is arranged to facilitate the discharge of the mud, and the mud sticking rate of the surfaces of the extrusion roller and the filter belt body is greatly reduced under the assistance of the inlet mud guide piece and the outlet mud guide piece of the inlet and the outlet, so that the subsequent cleaning is facilitated; the thickness of the arc-shaped extrusion channel can be adjusted at any time according to the extrusion requirement by arranging the extrusion rollers which can be movably adjusted along the radial direction of the extrusion roller; the extrusion roller and the annular filter belt synchronously move and share one drive, so that the mud discharging is convenient to control, and the cost is saved; meanwhile, the cleaning rolling brushes of the squeezing roller and the filter belt body synchronously move and share one drive, so that the cleaning is convenient to implement, and the cost is saved.
And thirdly, the concentrated water can be directly distributed into the cleaning seat, the squeeze roller and the annular filter belt are respectively brushed and cleaned by the rolling brush which moves in the same direction as the squeeze roller and moves in the opposite direction to the annular filter belt, and then the muddy water is collected, so that the cleaning is implemented without adding external water, and the self-cleaning of the cleaning brush can also be implemented in the cleaning process.
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 (14)

1. A vertical sludge concentration and dehydration integrated machine comprises a sludge concentration system and a sludge dehydration system, wherein the sludge concentration system comprises a concentration unit and a sludge discharge unit, the concentration unit comprises a concentration cylinder, a filter screen cylinder and a stirring mechanism, 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; sludge dewatering system is including can be around self axis pivoted squeeze roll, stripper plate, wherein squeeze roll outer wall with form arc extrusion passageway between the stripper plate, arc extrusion passageway has into mud mouth and a mud mouth, arc extrusion passageway length is L, squeeze roll's girth is C, 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 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 sheet or a plurality of sludge water channel holes are formed in the sludge water channel hole 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 sludge water channel hole;
1/2C is less than or equal to L is less than or equal to 5/6C, the stripper plate comprises annular filter belt, the arc extrusion passageway is in advance mud mouth with the thickness that mud outlet formed is h1 and h2 respectively, wherein h2 < h1, and certainly advance mud mouth to mud outlet arc extrusion passageway thickness diminishes gradually, sludge dewatering system still including setting up the mud guide way that goes out of mud mouth department, annular filter belt with the direction of motion of extrusion cylinder is unanimous and with mud certainly advance mud mouth to go out mud guide way transmission.
2. The vertical sludge concentration and dehydration integrated machine according to claim 1, characterized in that: 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 concentration and dehydration integrated machine according to claim 1, characterized in that: 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 concentration and dehydration integrated machine according to claim 3, characterized in that: the plurality of spiral pieces are provided with the mud-water channel holes, and the orthographic projection of the spiral pieces on the horizontal plane is a plurality of notches which are uniformly distributed around the center of the stirring shaft at intervals.
5. The vertical sludge concentration and dehydration integrated machine according to claim 1, characterized in that: 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 concentration and dehydration integrated machine according to claim 1, characterized in that: the concentrated section of thick bamboo top is equipped with into mud passageway, and the bottom is equipped with out the mud passageway, it is including first curb plate and the second curb plate that is located both sides, first end plate and the second end plate that is located both ends to go out the mud unit, 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 to go out the mud passageway, the lower tip of first curb plate and sludge dewatering system's squeeze roller laminating, it still includes the spring board of buckling in the extroversion, many connecting rods interlocking formula adjusting part from, wherein the hem of spring board with the lower extreme of second curb plate is facing to being 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 the mud mouth, many connecting rods interlocking formula adjusting part keeps adjusting part to adjust under the relative locking state the relative spring board lower part The distance of the extrusion roller is used for adjusting the size of the mud outlet.
7. The vertical sludge concentration and dehydration integrated machine according to claim 6, characterized in that: 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.
8. The vertical sludge concentration and dehydration integrated machine according to claim 7, characterized in that: 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.
9. The vertical sludge concentration and dehydration integrated machine according to claim 8, characterized in that: 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.
10. The vertical sludge concentration and dehydration integrated machine according to claim 1, characterized in that: the annular filter belt includes the filter belt body, forms this internal transmission roller set of filter belt, wherein the transmission roller set roller includes many round squeeze roll, play mud transmission roller, the transfer transmission roller of squeeze roll center interval distribution, the filter belt body cover is established squeeze roll, play mud transmission roller, transfer transmission roller are last and constitute closed annular.
11. The vertical sludge concentration and dehydration integrated machine according to claim 10, characterized in that: the mud discharging transmission roller is in synchronous transmission connection with the squeezing roller, and the squeezing roller and the filter belt body move synchronously.
12. The vertical sludge concentration and dehydration integrated machine according to claim 10, characterized in that: the sludge dewatering system also comprises an extrusion seat, wherein a closed extrusion cavity is formed inside the extrusion seat, and the extrusion seat, the filter belt body and the extrusion roller form a closed extrusion cavity; and the negative pressure vacuumizing mechanism is communicated with the extrusion cavity of the extrusion seat, a mud outlet guide channel is formed between the filter belt body between the mud outlet and the mud outlet transmission roller and the extrusion seat, the negative pressure vacuumizing mechanism keeps negative pressure formed in the extrusion cavity, and water removed by extrusion is pumped out of the extrusion cavity.
13. The vertical sludge concentration and dehydration integrated machine according to claim 1, characterized in that: the surface of the squeezing roller is provided with water filtering holes, the sludge dewatering system further comprises a squeezing roller cleaning mechanism for cleaning the surface of the squeezing roller respectively, and a filter belt cleaning mechanism for cleaning the front side and the back side of the annular filter belt respectively, wherein the squeezing roller cleaning mechanism and the filter belt cleaning mechanism synchronously clean the squeezing roller and the annular filter belt.
14. The vertical sludge concentration and dehydration integrated machine according to claim 13, characterized in that: the squeezing roller cleaning mechanism is positioned between the sludge inlet and the sludge outlet, the filter belt cleaning mechanism is positioned on two sides of a moving path of the annular filter belt, and the squeezing roller cleaning mechanism and the filter belt cleaning mechanism respectively comprise a cleaning seat forming a cleaning cavity, a cleaning rolling brush positioned in the cleaning cavity and a cleaning liquid pipeline, wherein the cleaning liquid pipeline comprises a liquid inlet pipe communicated with a water outlet of the sludge concentration cylinder and a water outlet pipe communicated with the cleaning seat; and the squeezing roller cleaning mechanism and the cleaning roller brush rotate opposite to the squeezing roller, and the cleaning roller brushes of the filtering belt cleaning mechanism positioned on two sides of the annular filtering belt are staggered up and down and synchronously rotate opposite to each other.
CN202210343386.0A 2022-03-31 2022-03-31 Vertical sludge concentration and dehydration integrated machine Pending CN114804574A (en)

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Application Number Priority Date Filing Date Title
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CN114804574A true CN114804574A (en) 2022-07-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024032167A1 (en) * 2022-08-08 2024-02-15 宜兴市派尼尔环保设备有限公司 Multi-filter-cartridge-unit circular-rotation-disc-type dehydrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024032167A1 (en) * 2022-08-08 2024-02-15 宜兴市派尼尔环保设备有限公司 Multi-filter-cartridge-unit circular-rotation-disc-type dehydrator

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