CN212914647U

CN212914647U - Slag scraping device for sedimentation tank

Info

Publication number: CN212914647U
Application number: CN202021369193.5U
Authority: CN
Inventors: 石开于
Original assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Current assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-09
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to a slag scraping device for a sedimentation tank, which comprises a speed reducer, a driving shaft connected with the speed reducer, driven shafts connected with the two ends of the driving shaft and driven by chains, and a slag scraping component connected between the chains, the slag scraping component comprises a fixed plate, a clamping plate, a scraping plate, a sliding rod, a floating block, a spring, a shovel plate and a connecting rod, by arranging the floating block and the shovel plate, the shovel plate can scrape the oily wastewater and the suspended matters attached to the scraping plate from the scraping plate, so that the oily wastewater and the suspended matters attached to the scraping plate are prevented from dripping back to the water surface or being scattered on the ground, the auxiliary plate can be pulled out from the groove by arranging the counter weights and the auxiliary plate with different weights, thereby increased the scraping sediment degree of depth of scraper blade, when the scraper blade was in the horizontality, in the elastic component can pull back the subplate recess again, avoided oily waste water and suspended solid to attach to on the subplate.

Description

Slag scraping device for sedimentation tank

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a sediment device of scraping that sedimentation tank was used.

Background

A peripheral transmission mud scraper is usually arranged in the sedimentation tank, and the main function of the sedimentation tank is to scrape the mud settled at the bottom of the tank to a central mud pit and then discharge the mud through a mud discharge pipe; the scum board is positioned at the top of the sedimentation tank, and the purpose of separation is achieved by utilizing the difference of specific gravity of suspended matters and water in the wastewater, so that scum and floating oil are scraped, and the scum and the like are scraped into a scum collecting hopper or an oil separating tank by the scum board.

In the prior art, a chinese patent with application number 2013208116007 discloses an oil-separating sedimentation tank slag scraping device, which comprises a speed reducer, a driving shaft connected with the speed reducer, driven shafts connected at two ends of the driving shaft and driven by chains, a scraper connected between the chains, and a fixing plate arranged at one side of the scraper and connected with the chains.

However, the oil-separating sedimentation tank slag scraping device has certain disadvantages, for example, when the oil-separating sedimentation tank slag scraping device works, oil stains or suspended matters are easily attached to the scraping plate and can drip into the sedimentation tank, so that the oil stains or suspended matters return to the sedimentation tank, the slag scraping efficiency is influenced, meanwhile, a part of the oil stains or suspended matters can be thrown into the air under the influence of centrifugal force, the environment around the sedimentation tank is polluted, the height of the scraping plate is not changed, and the adjustment of the slag scraping depth according to the thickness of the oil stains is not convenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that oil stains or suspended solids are easily attached to the scraper and the problem that the scraping depth is not adjustable, the utility model provides a slag scraping device for a sedimentation tank.

The utility model provides a its technical problem adopt following technical scheme to realize:

the utility model provides a sediment device of scraping that sedimentation tank was used, includes the speed reducer, the driving shaft of being connected with the speed reducer, connects at the driving shaft both ends and through chain drive's driven shaft, connect the sediment subassembly of scraping between the chain, scrape the sediment subassembly and include fixed plate, splint, scraper blade, slide bar, kicking block, spring, shovel board and connecting rod, the fixed plate passes through bolt fixed mounting on the chain, fixedly connected with splint on the fixed plate, the centre gripping has the scraper blade on the splint, sliding connection has the shovel board on the scraper blade, and the shovel board is used for shoveling adnexed greasy dirt or impurity on the scraper blade, the shovel board passes through connecting rod fixed connection on the kicking block, it runs through and is provided with the slide bar to slide on the kicking block, slide bar fixed connection is on the fixed plate, just be connected with the spring between kick.

Preferably, the scraper blade is provided with a groove, the groove is internally and slidably connected with an auxiliary plate, the auxiliary plate is connected with the groove through an elastic part, one end of the auxiliary plate, which is positioned outside the groove, is fixedly connected with a screw rod, and the end part of the screw rod is in threaded connection with a balancing weight.

Preferably, the weight block is provided with a plurality of sets of weights, and the weight block is made of stainless steel material.

Preferably, the scraper and the sliding rod are both made of Teflon plastics.

Preferably, the floating block adopts an annular rubber air bag.

Through adopting foretell technical scheme, the beneficial effects of the utility model are that:

1. through setting up kicking block and shovel board, the shovel board can be scraped adnexed oily waste water and suspended solid from the scraper blade on the scraper blade, avoids adnexed oily waste water and suspended solid to drip the wet surface again or be spilt subaerially on the scraper blade.

2. Through setting up the balancing weight and the subplate of different weight, can pull out the subplate from the recess down to increased the sediment degree of depth of scraping of scraper blade, when the scraper blade was in the horizontality, the elastic component can be with the subplate pull back in the recess again, avoided oily waste water and suspended solid to attach to on the subplate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

in the figure: the device comprises a speed reducer 1, a chain 2, a driven shaft 3, a slag scraping assembly 4, a fixing plate 401, a clamping plate 402, a scraping plate 403, a sliding rod 404, a floating block 405, a shovel plate 406, an auxiliary plate 407, an elastic piece 408 and a balancing weight 409.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a slag scraping device for a sedimentation tank comprises a speed reducer 1, a driving shaft connected with the speed reducer 1, a driven shaft 3 connected with two ends of the driving shaft and driven by a chain 2, and a slag scraping component 4 connected between the chains 2, wherein the driving shaft is driven by the speed reducer 1 to rotate during operation, and then the driven shaft 3 is driven by the chains 2 to rotate, so that the slag scraping component 4 rotates clockwise on the water surface of the sedimentation tank, oily wastewater enters an oil separation tank with a rectangular plane through a water distribution tank, the slag scraping component 4 comprises a fixing plate 401, a clamping plate 402, a scraping plate 403, a sliding rod 404, a floating block 405, a spring, a scraping plate 406 and a connecting rod, the fixing plate 401 is fixedly arranged on the chains 2 through bolts, the clamping plate 402 is fixedly connected onto the fixing plate 401, the scraping plate 402 is clamped with a scraping plate 403, the scraping plate 403 is connected with the scraping plate 406 in a sliding manner, and the scraping plate 406 is used for, the shovel plate 406 is fixedly connected to a floating block 405 through a connecting rod, a sliding rod 404 is arranged on the floating block 405 in a sliding and penetrating mode, the sliding rod 404 is fixedly connected to a fixing plate 401, a spring is connected between the floating block 405 and the fixing plate 401, the floating block 405 is used for driving the shovel plate 406 to move up and down on a scraping plate 403, when the shovel plate works, a chain 2 drives the fixing plate 401 to rotate, so that oil-containing wastewater enters an oil separation tank with a rectangular plane through a water distribution tank by the scraping plate 403, the floating block 405 below the water surface can compress the spring upwards under the action of the buoyancy of the sewage water surface, so that the shovel plate 406 moves upwards, when the scraping plate 403 rotates gradually to the horizontal direction, the floating block 405 breaks away from the water surface, the floating block 405 of the floating block 405 acts upwards, the floating block 405 can be pushed to the left under the action of the spring, at the time, the scraping plate 406 also moves leftwards, so that the oil-containing wastewater and suspended matters, the oily wastewater and suspended matters attached to the scraping plate 403 are prevented from dripping back to the water surface or being scattered on the ground.

As an embodiment of the utility model, the recess has been seted up on the scraper blade 403, sliding connection has subplate 407 in the recess, subplate 407 is connected through elastic component 408 between with the recess, and subplate 407 is located the outside one end fixedly connected with screw rod of recess, the tip threaded connection of screw rod has balancing weight 409, and when balancing weight 409 was located the aquatic, balancing weight 409 received the action of gravity this moment, can pull out subplate 407 from the recess down to the sediment degree of depth of scraping of scraper blade 403 has been increased, when scraper blade 403 was in the horizontality, elastic component 408 pulled back subplate 407 in the recess, avoided oily waste water and suspended solid to adhere to on subplate 407.

As an embodiment of the utility model, the balancing weight 409 is provided with the weight of multiunit, and the balancing weight 409 is made by stainless steel material, and through the balancing weight 409 of installing different weights on subplate 407, can adjust the length that subplate 407 was pulled down, is convenient for adjust scraping the sediment degree of depth.

As an embodiment of the present invention, the scraper 403 and the sliding rod 404 are made of teflon plastics, and have smooth surface, less corrosion, long service life and reduced resistance when the shovel plate 406 and the floating block 405 slide.

As an implementation mode of the utility model, the floating block 405 adopts an annular rubber air bag, so that the buoyancy is large and the service life is long.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a sediment scraping device that sedimentation tank was used, includes speed reducer (1), the driving shaft of being connected with speed reducer (1), connect at the driving shaft both ends and through driven shaft (3) of chain (2) transmission, connect the sediment subassembly (4) of scraping between chain (2), its characterized in that, scrape sediment subassembly (4) including fixed plate (401), splint (402), scraper blade (403), slide bar (404), kicking block (405), spring, shovel board (406) and connecting rod, fixed plate (401) pass through bolt fixed mounting on chain (2), fixedly connected with splint (402) on fixed plate (401), centre gripping has scraper blade (403) on splint (402), sliding connection has shovel board (406) on scraper blade (403), shovel board (406) are used for shoveling adnexed greasy dirt or impurity on scraper blade (403), shovel board (406) pass through connecting rod fixed connection on kicking block (405), the utility model discloses a scraper blade (403) is equipped with the shovel board, the slider is provided with the floating block (405) on the floating block (405) and slides and run through and be provided with slide bar (404), slide bar (404) fixed connection is on fixed plate (401), just be connected with the spring between floating block (405) and fixed plate (401), floating block (405) are used for driving shovel board (406) and reciprocate at scraper blade (403).

2. A scraping apparatus for a sedimentation tank, according to claim 1, wherein: the scraper blade (403) is provided with a groove, the groove is internally and slidably connected with an auxiliary plate (407), the auxiliary plate (407) is connected with the groove through an elastic piece (408), the auxiliary plate (407) is located at one end outside the groove and fixedly connected with a screw, and the end part of the screw is in threaded connection with a balancing weight (409).

3. A slag scraping apparatus for a sedimentation tank, according to claim 2, wherein: the weight block (409) is provided with a plurality of groups of weights, and the weight block (409) is made of stainless steel.

4. A scraping apparatus for a sedimentation tank, according to claim 1, wherein: the scraper (403) and the sliding rod (404) are both made of Teflon plastics.

5. A scraping apparatus for a sedimentation tank, according to claim 1, wherein: the floating block (405) adopts an annular rubber air bag.