CN213159704U

CN213159704U - Back-suction nozzle box convenient to dredge

Info

Publication number: CN213159704U
Application number: CN202021489248.6U
Authority: CN
Inventors: 陈冬
Original assignee: Anhui Xin Yu Xuan Environmental Protection Technology Co ltd
Current assignee: Anhui Xin Yu Xuan Environmental Protection Technology Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-05-11
Anticipated expiration: 2030-07-25

Abstract

The utility model provides a back suction nozzle box convenient for dredging, which comprises a suction box, a suction nozzle and a dredging component; a suction inlet is arranged on the end surface of one side of the suction nozzle; mediation subassembly includes: a rotating part including a sprocket and a chain; the scraping part comprises a scraping plate, one end of the scraping plate is arranged on the outer surface of the chain, and the other end of the scraping plate is arranged in the suction inlet in a sliding manner; and the driving part drives the chain wheel to rotate, further drives the chain to move, and further drives the scraper to slide in the suction inlet. The utility model discloses be provided with scraping portion, including can be in sunction inlet reciprocating motion's scraper blade, can strike off the filtrations such as mud that block up in the sunction inlet to guarantee that the suction mouth keeps the mediation state, improve the scrubbing effect of anti-suction.

Description

Back-suction nozzle box convenient to dredge

Technical Field

The utility model relates to a sewage filtration equipment technical field especially relates to a suction nozzle box is taken out in turn convenient to mediation.

Background

The cloth filter system is a novel sewage purification system; the water inlet mode of the system is an external inlet and internal outlet type, the microfilter of the mode consists of a series of horizontally arranged fixed filter discs, each filter disc is formed by combining even number of fan-shaped filter plates, filter cloth which can be conveniently detached is arranged on each filter disc, the filter cloth is made of fibers, and the filter pore diameter of the filter cloth is 10 mu m. The operation state of the fiber rotary disc filter tank comprises the following steps: filtering, back flushing and mud discharging. Wherein most of sludge is adsorbed outside the filter cloth in the filtering process to gradually form a sludge layer. Along with the accumulation of sludge on the filter cloth, the filter resistance of the filter cloth is increased, and the water level of the filter tank is gradually increased; when the water level in the filter tank reaches a cleaning set value (backwash liquid level), the PLC starts a backwash valve and a backwash pump to carry out backwash. However, the inventor finds that contaminants such as sludge have strong adhesiveness and are attached to the inlet of the back suction nozzle box, and after the back suction nozzle box is used for a long time, the contaminants block the inlet of the back suction nozzle box, so that the flushing effect is not good.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a suction nozzle box for reverse suction, which is easy to be dredged, so as to solve the problems in the prior art.

Based on the above purpose, the utility model provides a conveniently dredged reverse suction nozzle box, which comprises a suction box with an inner cavity, a suction nozzle fixedly arranged at one side of the suction box, and a dredging component arranged at one side of the suction nozzle;

the suction nozzle is a regular plate, a strip-shaped suction inlet is arranged on the end face of one side of the suction nozzle, the suction inlet is communicated with the inner cavity, and a pipeline communicated with the inner cavity is arranged on the outer wall of one side of the suction box in a penetrating manner;

the mediation subassembly includes:

the rotating part comprises chain wheels arranged at two ends of the suction inlet and chains sleeved on the chain wheels;

the scraping part comprises a scraping plate, one end of the scraping plate is fixedly arranged on the outer surface of the chain, and the other end of the scraping plate is arranged in the suction inlet in a sliding manner;

and the driving part drives the chain wheel to rotate, further drives the chain to move, and further drives the scraper to slide in the suction port.

Optionally, the suction nozzle includes a placing plate fixedly connected to the nozzle box and a cover plate matching with the placing plate, and the suction port penetrates through end faces of the placing plate and the cover plate at the same time;

the suction inlet is characterized in that a first groove and a second groove are formed in one side end face of the placing plate, the first grooves are symmetrically arranged at two ends of the suction inlet, the second grooves are symmetrically arranged at two sides of the suction inlet and communicated with the first grooves at two ends, a sliding groove communicated with the second grooves is formed in the side wall of the suction inlet, and the length of the sliding groove is not greater than the width of the suction inlet.

Optionally, the two chain wheels are respectively rotatably arranged in the first groove, the chains are connected end to end, two ends of each chain wheel are respectively sleeved on the outer walls of the chain wheels at two ends, the suspended parts of the middle sections of the chains are respectively placed in the second grooves at two sides of the suction inlet, the cover plate placing plates are attached and fixed, and the first groove, the second groove, the chain wheels and the chains can be hidden in the suction nozzle.

Optionally, the scraping part further comprises a fixing block and a connecting rod, the fixing block is fixedly connected to the outer side wall of the chain, the chain can drive the fixing block to slide in the second groove, the connecting rod is slidably mounted in the sliding groove, one end of the connecting rod is fixedly connected to the end face of the fixing block, and the other end of the connecting rod is fixedly connected to the side wall of the scraper.

Optionally, the outer wall profile of the scraper matches with the inner wall profile of the suction port, and the scraper includes a solid portion and comb teeth portions evenly arranged on the outer wall of the solid portion.

Optionally, the driving portion includes a housing fixedly mounted on an outer wall of the suction nozzle, a rotating shaft rotatably mounted inside the housing, a torsion spring plate sleeved on an outer wall of the rotating shaft, and a pulling rope wound on a side wall of the rotating shaft, the rotating shaft is in power connection with any one of the chain wheels, a rope hole is formed in a side wall of the housing, and the rope hole is used for accommodating the pulling rope.

Has the advantages that:

the scraping part is arranged and comprises a scraping plate which can reciprocate in the suction inlet, and filtering matters such as sludge blocked in the suction inlet can be scraped, so that the suction nozzle is ensured to keep a dredging state, and the anti-suction decontamination effect is improved.

The chain wheel and the chain are arranged for transmission, the transmission stability of the chain transmission structure is high, and the stable transmission can be realized even in a poor working environment; especially in the scrubbing pond, if adopt accurate transmission, not only can't effectively drive the scraper blade motion, itself also leads to the damage because of the relatively poor environment in scrubbing pond.

The suction mouth is provided with places the board, places and is equipped with first recess and second recess on the board for place sprocket and chain, still is provided with the apron, is used for sealed first recess and second recess, and the effect lies in protecting sprocket and chain, avoids having the direct contact of large tracts of land with the sewage that contains heavy metal ion, thereby reduces the corruption of chain and sprocket, increase of service life.

Because the attached silt form pollutant that is the viscidity stronger on the filter cloth surface, therefore the viscidity and the toughness of pollutant are great, even if the scraper blade can strike off most pollutant, but along with the extension of live time, the pollutant at first can be attached to the scraper blade surface, then piles up the gathering around the sunction inlet, piles up the jam that forms great piece by the pollutant of cream form, and then blocks up the sunction inlet, influences the effect of anti-suction. The outer wall of the scraper is provided with a compact and uniform comb tooth part, wherein in the dredging process, the comb tooth part plays a role in crushing and dividing larger blockages, and cuts up the large blockages so that the blockages are not easy to accumulate at a suction port; its two, broach portion has the clearance, consequently removes the in-process, and the resistance that receives water reduces, and is comparatively laborsaving, and rivers can erode the pollutant in the clearance of broach portion simultaneously, avoids scraper blade adhesion pollutant itself, plays the effect of automatically cleaning to guarantee that the scraper blade has comparatively good mediation effect all the time.

The chain wheel is driven to rotate by the pull rope and the rotating shaft, so that the chain, the fixed block and the scraper are driven to move, and the rotating shaft is also provided with a torsion spring disc, so that the rotating shaft can rotate, and the scraper is driven to reset; when in use, the scraper can dredge the suction inlet by pulling the pull rope; the gyration power that the torsion spring dish provided makes the scraper blade get back to initial position, consequently passes through the repeated stay cord of drawing through, can guarantee to scrape the pollutant of sunction inlet many times, promotes the mediation effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a back suction nozzle box convenient for dredging in the embodiment of the present invention;

FIG. 2 is a schematic sectional view at angle A-A of FIG. 1;

fig. 3 is a schematic sectional view at an angle B-B in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, as an embodiment of the present invention, a suction nozzle box for reverse suction, which is convenient to be dredged, includes a suction box 1 having an inner cavity 110, wherein the suction nozzle box 1 is immersed in a sewage tank and is fixedly disposed by a fixing frame;

the suction nozzle 2 is fixedly connected with the suction box 1 through a plurality of connecting bolts, and one side of the suction nozzle 2 is placed by being attached to the surface of the filter cloth;

the dredging component 3 is arranged on the suction nozzle 2 and is used for dredging the suction nozzle 2;

the suction mouth 2 is provided as a regular plate, to be noted: the smoothness and the flatness of one side of the plate, which is in contact with the filter cloth, have processing requirements, and burrs cannot occur; the end face of the plate is provided with a strip-shaped suction inlet 230, the suction inlet 230 penetrates through the body of the whole suction nozzle 2 and is communicated with the inner cavity 110, the outer wall of one side of the suction box 1 is provided with a pipeline 120 communicated with the inner cavity in a penetrating manner, and the other end of the pipeline 120 is communicated with a water suction pump; the long suction inlet 230 is provided, which means that the suction inlet 230 has a long span to fit the width of the filter plate and the filter cloth; the narrow width of the suction inlet 230 and the large width of the suction box inner cavity 110 prevent the water flow from generating convection at the suction inlet 230, and prevent the sucked pollutants from being brought out again to influence the decontamination effect of the back suction nozzle box.

Mediation subassembly 3 includes:

the rotating part 310 comprises chain wheels 311 arranged at two ends of the suction inlet and a chain 312 sleeved on the chain wheels 311, and the chain wheels 311 rotate to drive the chain 312 to rotate;

the scraping part 320 comprises a scraping plate 321, one end of the scraping plate 321 is fixed with the outer surface of the chain 312 through a fixture block, the other end is arranged in the suction port 230 in a sliding manner, and the chain 312 can drive the scraping plate 321 to slide;

the driving part 330 is fixedly connected to the sprocket 311, and drives the sprocket 311 to rotate, and further drives the chain 312 to move, thereby driving the scraper 321 to slide in the suction port 230.

Further, the suction nozzle 2 comprises a placing plate 210 fixedly connected with the nozzle box 1 and a cover plate 220 matched with the placing plate 210, the suction port 230 simultaneously penetrates through the end surfaces of the placing plate 210 and the cover plate 220, and both the placing plate 210 and the cover plate 220 can be produced by adopting an injection molding process for convenience and convenience in processing;

a first groove 211 and a second groove 212 are arranged on one side end surface of the placing plate 210, and the side end surface is close to the filter cloth and far away from the direction of the nozzle box 1;

the first grooves 211 are symmetrically arranged at two ends of the suction inlet 230, the outline shape of the first grooves 211 is a circle similar to that of the chain wheel 311, and the diameter of the first grooves 211 is larger than that of the chain wheel 311;

the second grooves 212 are symmetrically arranged at two sides of the suction port 230 and are communicated with the first grooves 211 at two ends;

the side wall of the suction inlet 230 is provided with a chute 213 communicated with the second groove 212, and the length of the chute 213 is not more than the width of the suction inlet.

Further, two sprockets 311 are rotatably disposed in the first grooves 211, respectively, and the sprockets 311 are fitted in the first grooves 211 through a rotating shaft and a roller bearing, so that the sprockets 311 can rotate in the first grooves 211;

the chains 312 are connected end to form a ring, two ends of each chain 312 are respectively sleeved on the outer walls of the chain wheels 311 at two ends, and the suspended parts at the middle sections of the chains 312 are respectively placed in the second grooves 212 at two sides of the suction inlet, so that the width of the second grooves 212 is certainly larger than that of the chains 312;

the cover plate 220 and the placing plate 210 are attached and fixed, and need to be fixed by screws, so that the first groove 211, the second groove 212, the chain wheel 311 and the chain 312 can be hidden inside the suction nozzle 2, and a sealing effect is achieved.

Further, the scraping part 320 further comprises a fixing block 322 and a connecting rod 323, a pin hole is formed in the end face of the fixing block 322, a pin is installed in the pin hole, and the pin penetrates through a gap between two adjacent connecting pairs of the chain to form a fixed combination of the fixing block 322, the pin and the chain 312;

chain 312 can drive fixed block 322 and slide in second recess 212, and connecting rod 323 slides and installs in spout 213, connecting rod 323 one end and the terminal surface fixed connection of fixed block 322, the other end and the lateral wall fixed connection of scraper blade 321, and connecting rod 323 all adopts threaded connection's mode to be connected with fixed block 322 and scraper blade 321, convenient to detach washs.

Further, the outer wall profile of the scraper 321 matches the inner wall profile of the suction port 230, and the scraper 321 includes a solid portion 321a and comb teeth portions 321b uniformly arranged on the outer wall of the solid portion.

Further, the driving part 330 includes a housing 331 fixedly installed on the outer wall of the suction nozzle 2, a rotating shaft 332 rotatably installed inside the housing 331, a torsion spring plate 333 sleeved on the outer wall of the rotating shaft, and a pulling rope 334 wound around the side wall of the rotating shaft, the rotating shaft 332 is in power connection with any one of the chain wheels 311, a rope hole is formed in the side wall of the housing 331, the rope hole is subjected to sealing and waterproof treatment, and the rope hole is used for accommodating the pulling rope 334.

Specifically, in the using process of the device, the suction nozzle is attached to the surface of the filter cloth, and the water pump forms a channel through the pipeline 120, the inner cavity 110 of the suction box and the suction inlet 230; firstly, pulling the pull rope 334 to drive the rotating shaft 332 in the shell 331 to rotate, the rotating shaft 332 rotates to drive the chain wheel 311 and the chain 312 to rotate, and when the chain 312 moves, the scraper 321 is driven to move at the suction port 230 through the fixed block 322 and the connecting rod 323; the connecting rod 323 is positioned in the sliding groove 213 and plays a role in limiting; after the scraper 321 moves from one end to the other end, the rotating shaft 332 rotates reversely to reset the scraper 321 under the resilience of the torsion spring plate 333, so that the scraper 321 can repeatedly scrape off the attached contaminants at the suction port 230 by repeatedly pulling the pull cord 334.

In summary, the suction nozzle 2 is provided with a placing plate 210, the placing plate 210 is provided with a first groove 211 and a second groove 212 for placing the chain wheel 311 and the chain 312, and a cover plate 220 for sealing the first groove 211 and the second groove 212 is further provided, so that the direct contact with the sewage is avoided, and the service life is prolonged.

The outer wall of the scraper 321 is provided with dense and uniform comb teeth 321b, and in the dredging process, the comb teeth have the function of crushing and dividing larger blockages; two, broach portion has the clearance, consequently removes the in-process, and the resistance that receives water reduces, and is comparatively laborsaving, and rivers can erode the pollutant in the clearance of broach portion simultaneously, avoids scraper blade adhesion pollutant itself, plays the effect of automatically cleaning.

The chain wheel 311 is driven to rotate by the pull rope 334 and the rotating shaft 332, so that the chain 312, the fixed block 322 and the scraper 321 are driven to move, and the rotating shaft 332 is also provided with the torsion spring disc 333, so that the rotating shaft 332 can rotate, and the scraper 321 is driven to reset; when in use, the scraper 321 is pulled to dredge the suction inlet 230; the rotation force provided by the torsion spring plate 333 returns the scraping plate 321 to the initial position, so that by repeatedly pulling the pull rope 334, the pollutants in the suction inlet 230 can be scraped for many times, and the dredging effect is improved.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a suck-back suction nozzle box convenient to mediation which characterized in that includes: the device comprises a suction box with an inner cavity, a suction nozzle fixedly arranged on one side of the suction box, and a dredging component arranged on one side of the suction nozzle;

the mediation subassembly includes:

2. The suck-back nozzle cartridge easy to unclog of claim 1, wherein: the suction nozzle comprises a placing plate fixedly connected with the suction nozzle box and a cover plate matched with the placing plate, and the suction inlet simultaneously penetrates through the placing plate and the end face of the cover plate;

3. The suck-back nozzle cartridge easy to unclog of claim 2, wherein: the two chain wheels are respectively rotatably arranged in the first groove, the chains are connected end to end, two ends of each chain wheel are respectively sleeved on the outer walls of the chain wheels at two ends, the suspended parts of the middle sections of the chains are respectively placed in the second grooves at two sides of the suction inlet, the cover plate placing plates are attached and fixed, and the first groove, the second groove, the chain wheels and the chains can be hidden in the suction nozzle.

4. The suck-back nozzle cartridge easy to unclog of claim 3, wherein: the scraping part further comprises a fixed block and a connecting rod, the fixed block is fixedly connected to the outer side wall of the chain, the chain can drive the fixed block to slide in the second groove, the connecting rod is slidably arranged in the sliding groove, one end of the connecting rod is fixedly connected with the end face of the fixed block, and the other end of the connecting rod is fixedly connected with the side wall of the scraper.

5. The suck-back nozzle cartridge easy to unclog of claim 1, wherein: the outer wall profile of the scraper blade is matched with the inner wall profile of the suction inlet, and the scraper blade comprises a solid part and comb tooth parts which are uniformly distributed on the outer wall of the solid part.

6. The suck-back nozzle cartridge easy to unclog of claim 1, wherein: the driving part comprises a shell fixedly arranged on the outer wall of the suction nozzle, a rotating shaft rotatably arranged in the shell, a torsion spring disc sleeved on the outer wall of the rotating shaft and a pull rope wound on the side wall of the rotating shaft, the rotating shaft is in power connection with any one of the chain wheels, a rope hole is formed in the side wall of the shell, and the rope hole is used for accommodating the pull rope.