CN113149099A - Orifice grid system - Google Patents
Orifice grid system Download PDFInfo
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- CN113149099A CN113149099A CN202110422187.4A CN202110422187A CN113149099A CN 113149099 A CN113149099 A CN 113149099A CN 202110422187 A CN202110422187 A CN 202110422187A CN 113149099 A CN113149099 A CN 113149099A
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- sealing
- orifice plate
- plate
- chain
- orifice
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- 238000007789 sealing Methods 0.000 claims abstract description 185
- 239000010865 sewage Substances 0.000 claims abstract description 46
- 230000013011 mating Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000013049 sediment Substances 0.000 abstract description 16
- 239000011148 porous material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 14
- 230000002349 favourable effect Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 16
- 239000002893 slag Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 239000007788 liquid Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to an orifice plate grid system, which comprises a rack for supporting and two groups of guide grooves for guiding the rotation of an orifice plate chain respectively, wherein the two groups of guide grooves are arranged oppositely; the main shaft is rotatably arranged on the frame and is provided with a chain wheel; the orifice plate chain comprises a plurality of orifice plates and a plurality of rotating shafts, two ends of each orifice plate are respectively and rotatably connected with the two adjacent rotating shafts, the orifice plates jointly enclose an annular structure, and two ends of each rotating shaft are respectively and movably constrained in the guide grooves; the two ends of the orifice plate chain are respectively provided with a plurality of sealing parts, the sealing parts are provided with first matching surfaces, at least one side of the guide groove is provided with second matching surfaces, and the first matching surfaces and the second matching surfaces are matched in a staggered mode to form dynamic sealing; this orifice plate grid system through setting up sealing member for sewage can only flow the orifice plate chain through the filtration pore of orifice plate, thereby can guarantee the interception ability to the bars sediment, more be favorable to improving sewage treatment effect.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a perforated plate grid system.
Background
The pore plate grating is very common in sewage treatment, is generally divided into a fine grating and an ultrafine grating, and is mainly used for pretreating sewage so as to provide convenience for subsequent treatment work in practical application, and impurity garbage with different sizes is separated by the pore plate grating according to the sizes of filter holes; the internal inflow orifice plate grid is one of orifice plate grids, is a pretreatment device for accurately and efficiently removing hair and fine fiber substances in sewage in a sewage treatment plant, has strong interception capability and high removal rate, and is widely applied in the field of sewage treatment.
The internal inflow orifice plate grating generally comprises a rack, an orifice plate system (or called an orifice plate system), a flushing system (or called a spraying system), a slag discharging system and the like, wherein the orifice plate system generally comprises an orifice plate chain, a main shaft (or called a chain shaft) and power equipment, the orifice plate chain generally comprises a plurality of orifice plates and a plurality of rotating shafts, the orifice plates are respectively provided with a filter orifice, two ends of each orifice plate are respectively and rotatably connected to the two adjacent rotating shafts, so that the orifice plates and the rotating shafts can be enclosed into an annular structure, the main shaft is generally horizontally fixed at the upper part of the rack, chain wheels are arranged on two sides of the main shaft, the chain wheels are sleeved at the upper ends of the orifice plate chain, and the lower ends of the orifice plate chain hang down freely so as to be submerged below the liquid level; guide grooves for limiting the hole plate chains are formed in two ends of the rack respectively, two ends of the rotating shaft are limited in the corresponding guide grooves respectively, and one end of each hole plate chain is sealed by the rack; in an installation site, the main shaft and the power equipment are respectively positioned above the liquid level, so that the upper end of the orifice plate chain is positioned above the liquid level, and the lower end of the orifice plate chain is positioned below the liquid level; in actual operation, the main shaft can rotate under power equipment's drive, rotate with driving the sprocket, thereby can drive orifice plate chain circulation and rotate, the orifice plate that is located main shaft one side in the orifice plate chain constantly leaves the surface of water, and take away the bars sediment of aquatic, the orifice plate that is located the main shaft opposite side constantly gets into under the surface of water, and rotate along the orbit of settlement under the guide and restraint effect of guide way, at this in-process, pending sewage flows into the inside of orifice plate chain from the one end of orifice plate chain, and then after passing the orifice plate of orifice plate chain both sides, flow to the outside of orifice plate chain, so that in the inside of bars sediment interception at the orifice plate chain, thereby reach the mesh of purifying sewage.
However, in the existing orifice plate grid system, because the orifice plate chain needs to move circularly relative to the frame, a large gap exists between two ends of the orifice plate chain and the frame, and because of the existence of the gap, in an actual operation process, part of sewage to be treated leaks to the other side of the orifice plate chain from the gap through one side of the orifice plate chain, so that the problems of serious water leakage and slag leakage exist, the interception capability of grid slag can be greatly reduced, the removal rate is reduced, the sewage treatment effect is seriously affected, and especially, the development of a high-precision orifice plate grid is seriously restricted, for example, for a high-precision orifice plate grid with interception precision of 3mm or even 0.75mm, the interception precision can be greatly reduced by the sewage leaking from the gap, so that the development of the high-precision orifice plate grid is restricted, and the problem is not noticed in the prior art yet and needs to be solved urgently.
Disclosure of Invention
The invention provides a pore plate grid system, aiming at solving the problem that the interception precision is reduced due to serious water leakage and slag leakage caused by the fact that a larger gap exists between the two ends of a pore plate chain and a rack in the prior art, and the pore plate grid system can effectively prevent sewage, particularly grid slag from leaking from the gap between the pore plate chain and the rack, so that the sewage can only flow from one side to the other side of the pore plate chain through filter holes of a pore plate, the interception capability of the grid slag can be ensured, the removal rate of the grid slag is favorably improved, and the sewage treatment effect is favorably improved; the main conception is as follows:
a pore plate grid system comprises a rack for supporting and two groups of guide grooves for guiding rotation of a pore plate chain respectively, wherein the two groups of guide grooves are arranged oppositely;
the main shaft is rotatably arranged on the rack and is provided with a chain wheel;
the orifice plate chain comprises a plurality of orifice plates and a plurality of rotating shafts, two ends of each orifice plate are respectively and rotatably connected with the two adjacent rotating shafts, the orifice plates jointly enclose an annular structure, and two ends of each rotating shaft are respectively and movably constrained in the guide grooves;
the two ends of the orifice plate chain are respectively provided with a plurality of sealing parts, each sealing part is provided with a first matching surface, at least one side of the guide groove is provided with a second matching surface, and the first matching surfaces and the second matching surfaces are mutually matched in a staggered mode to form dynamic sealing. In the scheme, two groups of guide grooves are arranged, two ends of a rotating shaft in the orifice plate chain are respectively constrained in the corresponding guide grooves, and the guide grooves play a role in guiding, so that the orifice plate chain can circularly rotate along a set motion path; the sealing parts are respectively arranged at the two ends of the orifice plate chain, the first matching surface is formed on the sealing parts, the second matching surface is formed on the rack on at least one side of the guide groove, so that the first matching surface and the second matching surface can be matched in a mutually staggered manner, the dynamic seal can be formed between the orifice plate chain and the rack, and the orifice plate chain can smoothly rotate relative to the rack by utilizing the dynamic seal without interfering the normal rotation of the orifice plate chain; and the clearance between orifice plate chain and the frame can be effectively eliminated, prevent that sewage, especially bars sediment from taking place to leak from the clearance between orifice plate chain and the frame for sewage can only flow to the opposite side from one side of orifice plate chain via the filtration pore of orifice plate, can guarantee the interception ability to bars sediment, be favorable to improving the clearance of bars sediment, improve the interception precision, more be favorable to improving sewage treatment, more be favorable to realizing high accuracy and filter, thereby can effectively solve the not enough that prior art exists.
In order to solve the problem that the included angle between two adjacent sealing components can be changed according to different positions and no gap is generated between the two adjacent sealing components in the changing process, preferably, each sealing component is respectively arranged between two adjacent revolving shafts, two ends of each sealing component are respectively provided with a first matching part and a second matching part matched with the first matching part, and the first matching part and the second matching part are always in a rotating matching state in the relative rotating process of the two adjacent sealing components so as to prevent sewage leakage. That is, in the scheme, the sealing component is arranged between two adjacent rotating shafts, so that the pore plate between the two adjacent rotating shafts can synchronously move together with the sealing component, the first matching part and the second matching part are respectively constructed at two ends of the sealing component, and the first matching part and the second matching part are matched with each other, so that the gap between the two adjacent sealing components can be eliminated, sewage leakage is prevented, in the relative rotating process of the two adjacent sealing components, the first matching part and the second matching part can be always in a rotation matching state, the gap between the first matching part and the second matching part can not be formed, sewage leakage can be effectively prevented, and the problem of rotation sealing between the two adjacent sealing components can be solved.
In order to solve the problem of realizing dynamic sealing between the sealing component and the second sealing component, in a third aspect of the present invention, preferably, the sealing component includes a first sealing plate, and the first mating surface is at least one side surface of the first sealing plate; a sealing groove is formed in one side of the guide groove, the second matching surface is at least one side wall of the sealing groove, and one side of the first sealing plate is inserted into the sealing groove. In this scheme, through constructing the seal groove to with the first closing plate that constructs through the mode of inserting the seal groove, make first fitting surface and second fitting surface form the cooperation movive seal, not only can reach sealed effect, prevent the problem of weeping, hourglass sediment, through the cooperation of first closing plate and seal groove, can make from the inboard path to the outside of orifice plate chain more tortuous, more be favorable to preventing the problem of weeping, hourglass sediment moreover.
In order to solve the problem that the guide grooves are convenient to form and install, the two groups of guide grooves are further respectively constructed on the rack;
or the two guide parts are respectively fixed at two ends of the rack, and the two groups of guide grooves and the sealing groove are respectively formed in the guide parts.
In order to solve the problem of convenience in forming the sealing groove, the sealing groove further comprises a second sealing plate, the guide part is provided with a notch, the second sealing plate is detachably mounted on the guide part and seals the outer side of the notch, and the second sealing plate and the guide part jointly enclose the sealing groove. By adopting the structure, the notch is convenient to process, the precision is easy to control, and the second sealing plate is convenient to mount and dismount, so that the problem that the guide groove is convenient to form and mount can be solved, in addition, the problem that the first sealing plate is convenient to assemble can be solved through the detachable mounting of the second sealing plate, and in addition, the problem that the second sealing plate is convenient to replace and maintain after being damaged or abraded in the using process can also be solved.
In a fifth aspect of the present invention, to solve the problem of installing and positioning the sealing member, in the first aspect, the sealing member is disposed on the orifice plate at the end of the orifice plate chain. That is, the sealing member is connected as an organic whole with the orifice plate of orifice plate chain tip for the sealing member can follow the orifice plate and move for the guide way together, thereby can solve the sealing member and follow the rotatory problem of orifice plate chain.
In the second scheme, two ends of the sealing part are respectively provided with a connecting hole for movably connecting the rotating shafts, and the sealing part is respectively rotatably sleeved on two adjacent rotating shafts through the connecting holes. That is, by constructing the connection hole, the sealing member can be sleeved on the orifice plate of the orifice plate chain through the connection hole, and the sealing member and the orifice plate between two adjacent rotary shafts can move synchronously, so as to prevent a gap between the sealing member and the orifice plate from water leakage and slag leakage.
For better sealing effect, it is preferable that the sealing part between two adjacent rotating shafts is perpendicular to the corresponding orifice plate. Is beneficial to realizing better sealing effect.
In order to solve the problem that a gap is not generated between the first sealing plates of the two adjacent sealing components in the relative rotation process, preferably, the first matching part comprises a circular arc-shaped inner concave surface constructed at one end of the first sealing plate, the second matching part comprises a circular arc-shaped outer convex surface constructed at the other end of the first sealing plate, and the circular arc-shaped inner concave surface is matched with the circular arc-shaped outer convex surface. Through constructing first cooperation portion and second cooperation portion into circular-arc interior concave surface and circular-arc outer convex surface respectively, and circular-arc interior concave surface and circular-arc outer convex surface looks adaptation, make after the assembly, there is not the gap between two adjacent first closing plates, or the gap is very little, thereby can effectively avoid appearing leaking in the junction of two adjacent first closing plates, the problem of leaking the sediment, and simultaneously, make the relative rotation that two adjacent first closing plates can be smooth, so that orifice plate chain can normal operating, and at this in-process, the first cooperation portion and the second cooperation portion of two adjacent first closing plates are in good cooperation state all the time.
The seventh aspect of the present invention is to solve the problem that two adjacent sealing components can be connected to the same rotating shaft while ensuring good sealing, and further, the sealing component further includes a reinforcing strip, the first sealing plate is fixed to the reinforcing strip, two ends of the reinforcing strip are respectively a first end and a second end, wherein the first mating portion further includes an outer profile configured at the first end of the reinforcing strip, the outer profile is configured as an arc-shaped outer convex surface, the end is configured with the connecting hole, and a central axis of the connecting hole is collinear with a central axis of the arc-shaped outer convex surface;
the second matching part also comprises an outer contour constructed at the second end of the reinforcing strip, the outer contour is constructed into a circular arc-shaped concave surface, at the end, the first sealing plate is constructed with a connecting hole, and the central axis of the connecting hole is collinear with the central axis of the circular arc-shaped concave surface;
the circular arc-shaped outer convex surface is matched with the circular arc-shaped inner concave surface. In this scheme, through structuring the connecting hole in enhancement strip and first closing plate respectively for two adjacent gyration axles can be located respectively through the connecting hole cover at the both ends of seal part, and through structuring the outline of enhancement strip one end into convex outer convex surface, the outline of the other end is convex interior concave surface, and convex outer convex surface can mutually support with convex interior concave surface, make two adjacent seal parts can realize face-to-face contact through the cooperation of convex outer convex surface and convex interior concave surface, on the one hand, can eliminate the clearance between two adjacent seal parts, play good sealed effect, prevent the problem of weeping, hourglass sediment, on the other hand, two adjacent seal parts can rotate relatively, mutual noninterference, and be in the fit state all the time at relative pivoted in-process.
Preferably, the arc-shaped convex outer surface and the arc-shaped concave inner surface are respectively constructed at the same end of the sealing part; the arc-shaped inner concave surface and the arc-shaped outer convex surface are respectively constructed at the same end of the sealing part.
Preferably, the first sealing plate and the reinforcing strip are integrally formed members. Is convenient for molding.
In an eighth aspect of the present invention to solve the sealing problem between the sealing member and the adjacent orifice plate in the case that the sealing member is directly fixed to the rotation shaft, further, one side of the first sealing plate or the reinforcing bar is formed with a stopper protrusion parallel to each other with a set distance therebetween for inserting one side of the orifice plate. In this scheme, because the orifice plate retrains between two adjacent gyration axles, after seal assembly directly retrains in two adjacent gyration axles, seal assembly just in time is located one side of orifice plate, this moment, one side of orifice plate just in time can insert between two spacing archs, on the one hand, make seal assembly can form concave-convex structure's cooperation with the orifice plate, thereby can solve seal assembly and the sealed problem between the neighbouring orifice plate, on the other hand, seal assembly can be in the same place with the link that the orifice plate can be inseparable, so that synchronous motion.
In order to solve the problem of guiding the sewage cross perforated plate in the ninth aspect of the present invention, preferably, the frame includes a frame and a first baffle, and the perforated plate chain is disposed in the frame; the guide groove is formed on the frame or a guide component fixed on the frame; the first baffle is fixed to the frame and located at one end of the orifice plate chain for closing the end. The utility model discloses a make in the real operation, sewage can be followed the one end inflow orifice plate chain's of orifice plate chain inside, because first baffle has sealed the other end of orifice plate chain for sewage can only transversely perforate the orifice plate of orifice plate chain both sides, and the filtration pore outflow orifice plate chain via the orifice plate, thereby effectively solve the problem of guide sewage transverse perforation board.
In order to solve the problem of controlling the sewage to enter the interior of the orifice plate chain, the sewage treatment device further comprises a second baffle plate, wherein the second baffle plate is fixed on the frame and is positioned at the other end of the orifice plate chain and used for closing the end; and the second baffle is provided with a water inlet hole. So that sewage can enter the interior of the orifice plate chain through the water inlet holes.
Compared with the prior art, the orifice plate grid system provided by the invention has a compact structure and reasonable design, and the sealing part is arranged at the gap between the orifice plate chain and the rack, so that the gap can be eliminated, the orifice plate chain can be ensured to smoothly rotate relative to the rack, and sewage can only flow from one side to the other side of the orifice plate chain through the filtering holes of the orifice plate, so that the interception capability of grid slag can be ensured, the removal rate of the grid slag can be improved, and the sewage treatment effect can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an aperture grid system provided in an embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view (i.e., a sectional plane perpendicular to the central axis of the spindle) of fig. 1.
Fig. 3 is a schematic cross-sectional view of fig. 1 (i.e., the cross-sectional plane is perpendicular to the direction of the water inlet).
Fig. 4 is a partially enlarged schematic view of fig. 3.
Fig. 5 is a schematic structural diagram of a sealing member in an aperture plate grid system according to an embodiment of the present invention.
Fig. 6 is a rear view of fig. 5.
Fig. 7 is a partial schematic view of sealing members disposed at the ends of an orifice plate link in an orifice plate grid system in accordance with an embodiment of the present invention, wherein each sealing member is connected to a pivot shaft in sequence.
Fig. 8 is a rear view of fig. 7.
Fig. 9 is a schematic view of a configuration of a sealing member in cooperation with an adjacent orifice plate in an orifice plate grid system according to an embodiment of the present invention.
Fig. 10 is a view a-a of fig. 9.
Description of the drawings
A frame 100, a frame 101, a housing 102, a guide member 103, a guide groove 104, a notch 105, a seal groove 106, a second seal plate 107, a pressure plate 108, a first baffle plate 109, a second baffle plate 110, a water inlet hole 111, an internal cavity 112, a seal groove,
The sealing member 400, the first sealing plate 401, the reinforcing bar 402, the connecting hole 403, the arc-shaped concave surface 404, the arc-shaped convex outer surface 405, the arc-shaped convex outer surface 406, the arc-shaped concave inner surface 407, and the stopper protrusion 408.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present embodiment provides a perforated plate grid system, which includes a frame 100, a main shaft 202 (or called chain shaft), a perforated plate chain 300 and a power device 201, wherein,
the frame 100 is mainly used for supporting and fixing the rest of the equipment, for example, in the present embodiment, as shown in fig. 1 and fig. 2, the frame 100 includes a frame 101, the frame 101 may be made of existing section bars, for example, the frame 101 may be a rectangular parallelepiped structure, so as to form an internal cavity 112 in the frame 101, as shown in fig. 1, in actual operation, the lower part of the frame 101 is usually submerged, while the upper part of the frame 101 is usually located above the water surface, so as to provide a main shaft 202, a power device 201, a flushing system, a deslagging system, etc., and the upper part of the frame 101 is usually provided with a housing 102, so as to close the internal cavity 112, for water blocking/isolating purposes;
as shown in fig. 1, the main shaft 202 is rotatably mounted horizontally on the machine frame 100, and the power device 201 may also be mounted on the machine frame 100, the power device 201 may be connected to the main shaft 202 through a speed reducer and/or a transmission mechanism, so as to drive the main shaft 202 to rotate, and the transmission mechanism may be a coupling, a gear transmission mechanism and/or a belt transmission mechanism, etc., so as to transmit power; in order to hang the perforated plate chain 300 conveniently, the main shaft 202 is provided with chain wheels which are matched with the perforated plate chain 300, and preferably, the chain wheels can be respectively arranged at two ends of the main shaft 202 so as to stably support the perforated plate chain 300;
the orifice plate chain 300 may adopt an existing orifice plate chain 300, for example, in this embodiment, the orifice plate chain 300 includes a plurality of orifice plates 302 and a plurality of rotating shafts 301, both ends of the orifice plates 302 are respectively rotatably connected to two adjacent rotating shafts 301, as shown in fig. 1 to 3, a plurality of orifice plates 302 may be arranged between two adjacent rotating shafts 301 in parallel so as to increase the depth of the orifice plate chain 300, and the orifice plates 302 may jointly form an annular structure, as shown in fig. 1 to 3, in order to install the orifice plates 302, sleeves are respectively arranged at the upper end and the lower end of the orifice plates 302 so as to be sleeved on the two adjacent rotating shafts 301;
as shown in fig. 1 and 2, in the present embodiment, the upper end of the perforated plate chain 300 is sleeved on the sprocket of the main shaft 202, and the lower end of the perforated plate chain 300 can hang down freely so as to be submerged below the liquid level; in order to restrict the lower end of the orifice plate chain 300, especially to restrict the portion of the orifice plate chain 300 submerged below the liquid level, in this embodiment, two sets of guide grooves 104 for guiding the rotation of the orifice plate chain 300 are further provided, and the two sets of guide grooves 104 are oppositely arranged; the two sets of guide grooves 104 may be directly formed in the frame 101, or may be formed in the guide members 103, respectively, and the guide members 103 may be fixed to the frame 101 by welding, bolting, riveting, or the like; as shown in fig. 3, at least when the revolving shaft 301 rotates to the position below the water surface, both ends of the revolving shaft 301 can be movably constrained in the guide grooves 104, so that the revolving shaft 301 can move along the path defined by the guide grooves 104 under the constraint of the guide grooves 104 during the rotation of the hole plate chain 300, and in order to reduce the friction force, the ends of the revolving shaft 301 can be provided with rollers 303, and the rollers 303 are matched with the guide grooves 104, so that the rollers 303 can roll along the guide grooves 104, thereby realizing the rolling friction; the shape of the guide slot 104 may be determined according to actual requirements, and preferably, the guide slot 104 may include a first vertical section, a second vertical section and an arc-shaped section, and the first vertical section and the second vertical section are respectively connected to two ends of the arc-shaped section; as an embodiment, the first vertical section and the second vertical section may be respectively in a straight line structure, so that the guide groove 104 may enclose a U-shaped structure, and as another embodiment, the first vertical section and/or the second vertical section includes at least one arc transition section, that is, there is a bend, so that the width of the orifice plate chain 300 may be changed in the vertical direction, as shown in fig. 2, so that the width of the orifice plate chain 300 may be changed in the vertical direction, which more meets the market demand.
As shown in fig. 3, in the present embodiment, the frames 101 at both ends of the rack 100 are respectively configured with the guide parts 103, and the two guide parts 103 are arranged facing each other and have a set interval which is adapted to the width of the orifice plate chain 300, so that when the orifice plate chain 300 is installed in the frame 101, the ends of the transmission shafts at both ends of the orifice plate chain 300 can be respectively inserted into the corresponding guide grooves 104, so that the orifice plate chain 300 can rotate along the guide grooves 104;
in order to guide the sewage across the perforated plate, in this embodiment, the rack 100 further includes a first baffle 109, as shown in fig. 2 and 3, the first baffle 109 is fixed to the frame 101 and located at one end of the perforated plate chain 300 for closing the end, as shown in fig. 2 and 3, so that in actual operation, sewage can flow into the perforated plate chain 300 from one end of the perforated plate chain 300, and since the first baffle 109 closes the other end of the perforated plate chain 300, sewage can only traverse the perforated plates 302 on both sides of the perforated plate chain 300 and flow out of the perforated plate chain 300 through the filtering holes of the perforated plates 302, thereby effectively solving the problem of guiding the sewage across the perforated plate 302.
In order to facilitate the control of the sewage to enter the interior of the perforated plate link chain 300, the frame 100 further includes a second baffle 110, as shown in fig. 1 and fig. 2, the second baffle 110 is fixed to the frame 101 and located at the other end of the perforated plate link chain 300 for closing the end, that is, the first baffle 109 and the second baffle 110 are respectively disposed on the frame 101 at the two ends of the perforated plate link chain 300; and the second baffle 110 is configured with a water inlet 111, and the shape and size of the water inlet 111 can be determined according to actual requirements, so that sewage can enter the interior of the orifice plate chain 300 through the water inlet 111.
In order to solve the problem of serious water leakage and slag leakage caused by a large gap between the two ends of the orifice plate chain 300 and the rack 100, in this embodiment, the two ends of the orifice plate chain 300 are respectively provided with a plurality of sealing members 400, the sealing members 400 are configured with a first mating surface, at least one side of the guide groove 104 is configured with a second mating surface, and the first mating surface and the second mating surface can be in staggered fit with each other (i.e. the orthographic projection has an overlapping portion) and can form a dynamic seal, as shown in fig. 4.
Specifically, in the present embodiment, the sealing members 400 are respectively disposed at two ends of the orifice plate chain 300, the sealing members 400 form a first mating surface, and the frame 100 on at least one side of the guide groove 104 forms a second mating surface, so that the first mating surface and the second mating surface can be in staggered fit with each other, and a dynamic seal can be formed between the orifice plate chain 300 and the frame 100, and by using the dynamic seal, not only can the orifice plate chain 300 smoothly rotate relative to the frame 100, but also the normal rotation of the orifice plate chain 300 is not interfered; and can effectively eliminate the clearance between orifice plate chain 300 and frame 100, prevent that sewage, especially bars sediment from taking place to leak from the clearance between orifice plate chain 300 and frame 100 for sewage can only flow to the opposite side from one side of orifice plate chain 300 via the filtration pore of orifice plate 302, can guarantee the interception ability to bars sediment, is favorable to improving the clearance of bars sediment, more is favorable to improving sewage treatment effect, thereby can effectively solve the not enough that prior art exists.
In the first aspect of the present embodiment, in order to enable the first mating surface of the sealing component 400 to form a dynamic seal with the second mating surface, as a preferred embodiment, the sealing component 400 includes a first sealing plate 401, and the first mating surface may be at least one side surface of the first sealing plate 401; a sealing groove 106 is formed in one side of the guide groove 104, as shown in fig. 3 and 4, the second fitting surface may be at least one side wall of the sealing groove 106, and after the assembly is completed, one side of the first sealing plate 401 is inserted into the sealing groove 106, as shown in fig. 4, so that the first fitting surface and the second fitting surface may be fitted with each other, on one hand, the first fitting surface and the second fitting surface may be parallel to each other, and a gap between the first fitting surface and the second fitting surface may be eliminated or reduced, thereby achieving a sealing effect and preventing liquid leakage and slag leakage; on the other hand, through the cooperation of the first sealing plate 401 and the sealing groove 106, the path from the inner side to the outer side of the orifice plate chain 300 can be more tortuous, so that the liquid leakage and the slag leakage can be more favorably prevented, and the dynamic sealing is realized.
Preferably, as shown in fig. 4, in the present embodiment, the guide groove 104 and the seal groove 106 may be formed in the guide member 103, respectively.
To facilitate formation of the sealing groove 106, in a further aspect, the present aperture plate grid system further includes a second sealing plate 107, the guide member 103 is configured with a slot 105, as shown in fig. 4, the second sealing plate 107 is detachably mounted on the guide member 103 and closes an outer side of the slot 105, so that the second sealing plate 107 and the guide member 103 together define the sealing groove 106; specifically, the second sealing plate 107 may be preferably fixed to the guide member 103 by bolts or screws, and as shown in fig. 4, the second sealing plate 107 further preferably includes a pressing plate 108, the pressing plate 108 is disposed on a side of the second sealing plate 107 away from the guide member 103, and the pressing plate 108 may be fixed to the guide member 103 by bolts or screws so as to press the second sealing plate 107, thereby fixing the second sealing plate 107; by adopting the structure, the notch 105 is convenient to process, the precision is easy to control, and the second sealing plate 107 is convenient to mount and dismount, so that the problem that the guide groove 104 is convenient to form and mount can be solved, in addition, the problem that the first sealing plate 401 is convenient to assemble can be solved through the detachable mounting of the second sealing plate 107, and in the using process, after the second sealing plate 107 is damaged or abraded, the replacement and the maintenance can be conveniently carried out.
To solve the problem of installation and positioning of the sealing member 400, in one embodiment, the sealing member 400 may be disposed on the orifice plate 302 at the end of the orifice plate chain 300, that is, the first sealing plate 401 may be directly fixed to the orifice plate 302, and preferably, the first sealing plate 401 may be vertically fixed to the orifice plate 302, that is, the sealing member 400 may be directly connected to the orifice plate at the end of the orifice plate chain 300 to form a whole, so that the sealing member 400 may move along the guide groove 104 along with the orifice plate 302, and thus, the problem of the sealing member 400 rotating along with the orifice plate chain 300 may be solved.
In another embodiment, the two ends of the sealing member 400 are respectively formed with a connecting hole 403 for movably connecting the revolving shafts 301, so that the sealing member 400 can be respectively rotatably sleeved on two adjacent revolving shafts 301 through the connecting holes 403, as shown in fig. 4 to 8; that is, in the present embodiment, the connection hole 403 is configured such that the sealing member 400 can be sleeved at the orifice plate 302 of the orifice plate chain 300 through the connection hole 403, and the sealing member 400 and the orifice plate 302 between two adjacent rotation shafts 301 can move synchronously, so as to prevent a gap between the sealing member 400 and the orifice plate 302 from generating water leakage and slag leakage.
In the second aspect of the present embodiment, in order to enable the included angle between two adjacent sealing members 400 to be changed according to the position, especially during the process of passing through the sprocket, and during the change, no gap is generated between two adjacent sealing members 400, in the present embodiment, each sealing member 400 is respectively disposed between two adjacent revolving shafts 301, and two ends of the sealing member 400 are respectively configured with a first matching portion and a second matching portion matching with the first matching portion, and during the process of relative rotation of two adjacent sealing members 400 (rotating around the revolving shaft 301), the first matching portion and the second matching portion are always in the rotating matching state for preventing the leakage of the sewage. That is, in this embodiment, the sealing member 400 is disposed between two adjacent rotating shafts 301, so that the orifice plate 302 between two adjacent rotating shafts 301 can move synchronously with the sealing member 400, and the first and second matching portions are respectively configured at two ends of the sealing member 400, and by using the matching between the first and second matching portions, not only the gap between two adjacent sealing members 400 can be eliminated, and the leakage of sewage can be prevented, but also the first and second matching portions can be always in a rotation-matching state during the relative rotation of two adjacent sealing members 400, and no gap can be formed between the first and second matching portions, and the leakage of sewage can be effectively prevented, so that the problem of rotation sealing between two adjacent sealing members 400 can be solved.
More specifically, as shown in fig. 5-9, in order to prevent a gap from being generated between the first sealing plates 401 of the two adjacent sealing members 400 during the relative rotation, in one embodiment, the first mating portion includes a circular arc-shaped concave surface 404 configured at one end of the first sealing plate 401, the second mating portion includes a circular arc-shaped convex surface 405 configured at the other end of the first sealing plate 401, and the circular arc-shaped concave surface 404 is matched with the circular arc-shaped convex surface 405, as shown in fig. 5-9, that is, the cross section of the circular arc-shaped concave surface 404 may be directly larger than or equal to the cross section diameter of the circular arc-shaped convex surface 405; in this scheme, through constructing first cooperation portion and second cooperation portion into circular-arc interior concave surface 404 and circular-arc outer convex surface 405 respectively, and circular-arc interior concave surface 404 and circular-arc outer convex surface 405 looks adaptation, make after the assembly, there is not the gap between two adjacent first sealing plate 401, or the gap is very little, thereby can effectively avoid leaking appearing in the junction of two adjacent first sealing plate 401, the problem of leaking the sediment, and simultaneously, make two adjacent first sealing plate 401 relative rotations that can be smooth, so that orifice plate chain 300 can normal operating, and at this in-process, the first cooperation portion and the second cooperation portion of two adjacent first sealing plate 401 are in good cooperation state all the time.
As shown in fig. 5 to 9, in order to enable two adjacent sealing members 400 to be connected to the same rotating shaft 301 while ensuring good sealing, in a further aspect, the sealing member 400 further includes a reinforcing bar 402, the first sealing plate 401 is fixed to the reinforcing bar 402, as shown in fig. 5, two ends of the reinforcing bar 402 are respectively a first end and a second end, wherein the first mating portion further includes an outer profile configured at the first end of the reinforcing bar 402, the outer profile is configured as a circular arc-shaped outer convex surface 406, and the end is further configured with the connecting hole 403, and a central axis of the connecting hole 403 is collinear with (or coincident with) a central axis of the circular arc-shaped outer convex surface 406, as shown in fig. 5 to 9;
as shown in fig. 5 to 9, the second mating portion further includes an outer contour configured at the second end of the reinforcing strip 402, the outer contour is configured as a circular arc-shaped concave surface 407, and at this end, the first sealing plate 401 is configured with a connection hole 403, a central axis of the connection hole 403 is collinear with a central axis of the circular arc-shaped concave surface 407;
as shown in fig. 5-9, the circular arc-shaped convex outer surface 406 is matched with the circular arc-shaped concave inner surface 407 so as to be matched with each other, i.e., the cross-sectional diameter of the circular arc-shaped convex outer surface 406 is smaller than or equal to that of the circular arc-shaped concave inner surface 407; specifically, in the present embodiment, by constructing the connection holes 403 in the reinforcing bar 402 and the first sealing plate 401 respectively, so that the two ends of the sealing member 400 can be respectively sleeved on the two adjacent revolving shafts 301 through the connecting holes 403, and by configuring the outer profile of one end of the reinforcing bar 402 as a circular arc shaped convex outer surface 406 and the outer profile of the other end as a circular arc shaped concave inner surface 407, and the circular arc-shaped convex outer surface 406 and the circular arc-shaped concave inner surface 407 can be mutually matched, so that the two adjacent sealing parts 400 can realize surface-surface contact through the matching of the circular arc-shaped convex outer surface 406 and the circular arc-shaped concave inner surface 407, on one hand, the clearance between the reinforcing strips 402 in two adjacent sealing parts 400 can be eliminated, a good sealing effect is achieved, the problems of liquid leakage and slag leakage are prevented, and on the other hand, the two adjacent sealing parts 400 can rotate relatively without mutual interference and are always in a matching state in the process of relative rotation.
In this embodiment, the positional relationship between the reinforcing strip 402 and the first sealing plate 401 may be determined according to actual requirements, and preferably, as shown in fig. 5 to 9, in this embodiment, the arc-shaped convex outer surface 406 and the arc-shaped concave inner surface 404 may be respectively configured at the same end of the sealing member 400; and the circular arc-shaped inner concave surface 407 and the circular arc-shaped outer convex surface 405 may be respectively configured at the same end of the sealing member 400.
In this embodiment, the first sealing plate 401 and the reinforcing strip 402 may be preferably formed as an integral member for easy forming, as shown in fig. 5, of course, the first sealing plate 401 may also be connected to the reinforcing strip 402 by bonding, bolting, riveting, etc., in this embodiment, as shown in fig. 5 and 9, the thickness of the reinforcing strip 402 may be greater than that of the first sealing plate 401, so as to increase the rigidity of the entire sealing member 400, so as to improve the bearing capacity.
The orifice plate grid system that this embodiment provided has not only solved the sealed problem between orifice plate chain 300 and the frame 100, has solved the sealed problem between two adjacent seal part 400 moreover, can effectively avoid appearing leaking, leaking the problem of sediment, is favorable to improving sewage treatment effect, and more is favorable to realizing the high accuracy and filters.
Example 2
In order to solve the sealing problem between the sealing member 400 and the adjacent orifice plate 302, the present embodiment 2 is mainly different from the above embodiment 1 in that in the orifice plate grid system provided by the present embodiment, one side of the first sealing plate 401 or the reinforcing strip 402 is configured with the limiting protrusions 408 parallel to each other, as shown in fig. 5-10, the limiting protrusions 408 may preferably be in a strip structure, and the two limiting protrusions 408 have a set distance therebetween for inserting one side of the orifice plate 302. In this practical assembly, because the orifice plate 302 is constrained between two adjacent revolving shafts 301, after the sealing member 400 is directly constrained between two adjacent revolving shafts 301, the sealing member 400 is just located on one side of the orifice plate 302, as shown in fig. 9 and 10, at this time, one side of the orifice plate 302 can just be inserted between two limiting protrusions 408, on one hand, the sealing member 400 can form a concave-convex structure with the orifice plate 302, so that the sealing problem between the sealing member 400 and the adjacent orifice plate 302 can be solved, and on the other hand, the sealing member 400 and the orifice plate 302 can be tightly connected together so as to move synchronously.
It can be understood that the shape and the configuration of the limiting protrusion 408 can be determined according to actual requirements, and only the orifice plate 302 needs to be clamped; for example, as shown in fig. 5, 9 and 10, in the present embodiment, the limiting protrusions 408 are respectively disposed on one side of the reinforcing strip 402.
This embodiment 2 has further solved the sealed problem between seal part 400 and the tip orifice plate on the basis of embodiment 1, can effectively avoid appearing leaking, leaking the sediment scheduling problem, more is favorable to improving sewage treatment effect.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. The orifice plate grid system is characterized by comprising a rack for supporting and two groups of guide grooves for guiding rotation of an orifice plate chain respectively, wherein the two groups of guide grooves are arranged oppositely;
the main shaft is rotatably arranged on the rack and is provided with a chain wheel;
the orifice plate chain comprises a plurality of orifice plates and a plurality of rotating shafts, two ends of each orifice plate are respectively and rotatably connected with the two adjacent rotating shafts, the orifice plates jointly enclose an annular structure, and two ends of each rotating shaft are respectively and movably constrained in the guide grooves;
the two ends of the orifice plate chain are respectively provided with a plurality of sealing parts, each sealing part is provided with a first matching surface, at least one side of the guide groove is provided with a second matching surface, and the first matching surfaces and the second matching surfaces are mutually matched in a staggered mode to form dynamic sealing.
2. The aperture plate grid system according to claim 1, wherein each sealing member is disposed between two adjacent rotating shafts, and two ends of each sealing member are respectively configured with a first engaging portion and a second engaging portion adapted to the first engaging portion, and during the relative rotation of two adjacent sealing members, the first engaging portion and the second engaging portion are always in rotational engagement for preventing the leakage of sewage.
3. The aperture plate grid system of claim 2, wherein the sealing member comprises a first sealing plate, the first mating surface being at least one side of the first sealing plate; a sealing groove is formed in one side of the guide groove, the second matching surface is at least one side wall of the sealing groove, and one side of the first sealing plate is inserted into the sealing groove.
4. The aperture plate grid system of claim 3, wherein the two sets of guide slots are each configured in the frame;
or the two guide parts are respectively fixed at two ends of the rack, and the two groups of guide grooves and the sealing groove are respectively formed in the guide parts.
5. The aperture plate grid system of claim 4, further comprising a second seal plate, wherein the guide member is configured with a slot, and wherein the second seal plate is removably mounted to the guide member and seals an outer side of the slot, the second seal plate and the guide member together defining the seal slot.
6. The aperture plate grid system of claim 3, wherein the sealing member between two adjacent swivel axes is perpendicular to the corresponding aperture plate.
7. The aperture plate grid system of any one of claims 3-6, wherein the sealing member is disposed on an aperture plate at an end of the aperture plate train;
or the like, or, alternatively,
the two ends of the sealing part are respectively provided with a connecting hole for movably connecting the rotating shafts, and the sealing part is rotatably sleeved on the two adjacent rotating shafts through the connecting holes.
8. The aperture plate grid system of claim 7, wherein the first mating portion comprises a radiused concave surface configured at one end of the first seal plate, the second mating portion comprises a radiused convex surface configured at the other end of the first seal plate, and the radiused concave surface mates with the radiused convex surface.
9. The orifice plate grid system of any of claims 1-6, wherein the frame comprises a frame and a first baffle, and the orifice plate chain is disposed within the frame; the guide groove is formed on the frame or a guide component fixed on the frame; the first baffle is fixed to the frame and located at one end of the orifice plate chain for closing the end.
10. The aperture plate grid system of claim 9, further comprising a second baffle secured to the frame at the other end of the aperture plate train for closing the end; and the second baffle is provided with a water inlet hole.
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| CN202110422187.4A CN113149099A (en) | 2021-04-20 | 2021-04-20 | Orifice grid system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110422187.4A CN113149099A (en) | 2021-04-20 | 2021-04-20 | Orifice grid system |
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| CN113149099A true CN113149099A (en) | 2021-07-23 |
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| CN202110422187.4A Pending CN113149099A (en) | 2021-04-20 | 2021-04-20 | Orifice grid system |
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Application publication date: 20210723 |