Sewage air flotation device

Abstract

The utility model discloses a sewage air floatation device which comprises an air floatation tank, a plurality of first motors arranged on the side wall of the air floatation tank, augers arranged at the output ends of the first motors, a scraping component arranged at the top of the air floatation tank, an aeration component arranged at the bottom of an inner cavity of the air floatation tank, and a waste tank arranged on the side wall of the air floatation tank. Sewage and a medicament are injected into an air floatation tank, a first motor is started to drive an auger to rotate, so that the sewage and the medicament are fully mixed, a second motor is started to drive a worm to rotate, so that two worm gears simultaneously rotate to drive two reciprocating lead screws to rotate, and then a sliding block drives a scraping plate to reciprocate to scrape scum into a waste tank; and secondly, gas is output to the distribution pipe by opening the gas pump, the gas diffuses and escapes from the top of the aerator in the form of bubbles along the branch pipe, the number of the bubbles is larger, the bubbles are finer, impurities in sewage are captured, and the pollution discharge effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sewage air floatation device. BACKGROUND

[0002] The air floatation tank is a kind of tank, which is mainly used for capturing and adsorbing fine particle adhesive by a large number of micro-bubbles to make it float, to achieve the effect of solid-liquid separation. The air floatation tank has been widely used in water purification treatment of raw water with low turbidity, high algae, low temperature, high color and low dissolved oxygen. It is also widely used in wastewater treatment of various industries such as oil refining, papermaking and printing and dyeing.

[0003] The patent document with publication number CN219098800U in the prior art provides: an efficient industrial sewage air floatation tank, which comprises a tank body, a stepping motor is arranged at the bottom of the tank body, a driving gear is connected to the output end of the stepping motor, the aeration mechanism further comprises an aeration pipe vertically penetrating the inside of the tank body, a driven gear is arranged at the lower end of the aeration pipe and engaged with the driving gear, the stepping motor is used to realize aeration, stirring of sewage and removal of dregs at the same time, reduce equipment cost, and the rotation of the aeration pipe drives the rotation of the air outlet pipe to discharge air, the bubbles are dispersed under the action of centrifugal force, fine particle adhesive is fully captured, and the sewage purification efficiency is improved, which is convenient to use.

[0004] Although the device has many beneficial effects, it still has the following problems: during use of the device, the dregs rotate together with the scraper, which is not convenient for discharging the dregs; secondly, the air outlet hole on the air outlet pipe is too large during use of the device, and the aeration effect is not good enough, which needs to be improved. In view of this, we propose a sewage air floatation device. CONTENT OF THE UTILITY MODEL

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] 1. Technical problem to be solved:

[0007] In order to solve the problems of the dregs rotating together with the scraper, which is not convenient for discharging the dregs, and the air outlet hole on the air outlet pipe being too large, which results in poor aeration effect, the utility model is proposed.

[0008] Therefore, the purpose of the utility model is to provide a sewage air floatation device, which is convenient for circulating and discharging dregs, easy to operate, has better aeration effect and enhances the sewage discharge effect.

[0009] 2. Technical scheme:

[0010] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0011] A sewage air flotation device, it includes air flotation pool, air flotation pool side wall is equipped with a plurality of first motor, first motor output is equipped with auger, air flotation pool top is equipped with scraping assembly, scraping assembly includes fixed frame, fixed frame side wall is equipped with second motor, second motor output is equipped with worm, worm circumferential outer wall both ends are engaged with worm wheel, two worm wheel circumferential inner wall are equipped with reciprocating lead screw, two reciprocating lead screw circumferential outer wall are all screw thread connection has sliding block, sliding block side wall is equipped with scraper, air flotation pool inner chamber bottom is equipped with aeration assembly, air flotation pool side wall is equipped with waste pool, first motor, second motor and external power supply electric connection.

[0012] As a preferred sewage air flotation device of the present application, wherein the aeration assembly includes air pump, air pump output is equipped with distribution pipe, distribution pipe circumferential outer wall one end is equipped with electromagnetic valve, distribution pipe circumferential outer wall is equipped with a plurality of branch pipes, a plurality of branch pipe circumferential outer wall top are all equipped with a plurality of aerators.

[0013] As a preferred sewage air flotation device of the present application, wherein the cross section of the fixed frame is L-shaped, and the reciprocating lead screw is rotatably connected to the inner wall of the fixed frame.

[0014] As a preferred sewage air flotation device of the present application, wherein the sliding block side wall is provided with a clamping groove, and the two side walls of the scraper are provided with clamping blocks.

[0015] As a preferred sewage air flotation device of the present application, wherein the cross section of the clamping block is T-shaped, and the size and position of the clamping block are matched with the size and position of the clamping groove.

[0016] As a preferred sewage air flotation device of the present application, wherein the height of the side wall of the air flotation pool near the waste pool is less than the height of the other side wall, and the bottom of the scraper is flush with the top of the side wall of the air flotation pool.

[0017] As a preferred sewage air flotation device of the present application, wherein the aerator is a rubber diaphragm micro-porous aerator, and the diaphragm has a small self-closing hole.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the present application has the beneficial effects of:

[0020] The sewage air flotation device, by injecting sewage and reagent into the air flotation tank, opening the first motor to drive the auger to rotate, making the sewage and reagent fully mixed, opening the second motor to drive the worm to rotate, thereby making the two worm gears rotate to drive the two reciprocating lead screws to rotate, and then making the sliding block drive the scraper to reciprocate to remove the floating sludge to the waste pool, the reciprocating improves the removal effect, and the operation is more simple and convenient.

[0021] The sewage air flotation device, by opening the air pump to output gas to the distribution pipe, the gas is dispersed in the form of bubbles from the top of the aerator along the branch pipe, the number of bubbles is more and more fine, and the impurities in the sewage are captured, and the sewage discharge effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to make the technical scheme of the embodiments of the present application more apparent, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0023] Figure 1 It is a whole structure schematic view of the sewage air flotation device of the present application;

[0024] Figure 2 It is a scraping assembly structure schematic view of the sewage air flotation device of the present application;

[0025] Figure 3 It is a split schematic view of the clamping groove and clamping block structure of the sewage air flotation device of the present application;

[0026] Figure 4 It is an aeration assembly structure schematic view of the sewage air flotation device of the present application;

[0027] Figure 5 It is an auger structure schematic view of the sewage air flotation device of the present application.

[0028] Explanation of reference numerals in the drawing: 1, air flotation tank; 2, first motor; 3, auger; 4, scraping assembly; 5, aeration assembly; 6, waste pool; 401, fixed frame; 402, second motor; 403, worm; 404, worm gear; 405, reciprocating lead screw; 406, sliding block; 407, scraper; 408, clamping groove; 409, clamping block; 501, air pump; 502, distribution pipe; 503, electromagnetic valve; 504, branch pipe; 505, aerator. DETAILED DESCRIPTION

[0029] In order to make the technical scheme of the embodiments of the present application more apparent, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0030] The utility model discloses in combination with the schematic diagram carries out the detailed description, when detailing the utility model embodiment, for being convenient for illustration, the sectional view of the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only example, and it should not limit the range of the utility model protection here. Besides, the three-dimensional spatial dimension of length, width and depth should be contained in actual production.

[0031] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0032] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0033] The embodiments of the utility model will be further described in detail below in combination with the drawings.

[0034] The utility model provides a kind of overall structure schematic diagram of sewage air flotation device one embodiment, comprising:

[0035] Please refer to Figures 1-5 , a kind of sewage air flotation device of this embodiment, including air flotation pond 1, air flotation pond 1 side wall is fixed with a plurality of first motor 2, first motor 2 output end is welded with auger 3, air flotation pond 1 top is fixed with scraping assembly 4, scraping assembly 4 includes fixed frame 401, fixed frame 401 side wall is fixed with second motor 402, second motor 402 output end is fixed with worm 403, both ends of the circumferential outer wall of worm 403 are engaged with worm gear 404, the circumferential inner wall of both worm gears 404 is fixed with reciprocating screw 405, the circumferential outer wall of both reciprocating screws 405 is threadedly connected with sliding block 406, the side wall of sliding block 406 is clamped with scraper 407, air flotation pond 1 inner chamber bottom is fixed with aeration assembly 5, air flotation pond 1 side wall is fixed with waste pool 6, first motor 2, second motor 402 and external power supply are electrically connected, by injecting sewage and reagent into air flotation pond 1 inside, open first motor 2 and drive auger 3 to rotate, make sewage and reagent mix fully, by opening second motor 402 and drive worm 403 to rotate, so that two worm gears 404 are simultaneously rotated and drive two reciprocating screws 405 to rotate, in turn make sliding block 406 drive scraper 407 reciprocating and remove scum to waste pool 6 inside, reciprocating improves scraping effect, operation is more simple and convenient.

[0036] It is worth mentioning that the aeration assembly 5 includes a gas pump 501, the output end of the gas pump 501 is fixedly provided with a distribution pipe 502, one end of the circumferential outer wall of the distribution pipe 502 is fixedly provided with an electromagnetic valve 503, a plurality of branch pipes 504 are welded on the circumferential outer wall of the distribution pipe 502, and a plurality of aerators 505 are fixedly arranged on the top of the circumferential outer wall of the plurality of branch pipes 504, the gas pump 501 is opened to output gas to the distribution pipe 502, the gas is diffused and escapes from the top of the aerator 505 in the form of bubbles along the branch pipe 504, the number of bubbles is more and more fine, impurities in the sewage are captured, and the sewage discharge effect is improved, and the electromagnetic valve 503 is convenient for adjusting the flow rate of the gas.

[0037] Subsequently, in order to improve stability, specifically, the cross section of the fixed frame 401 is L-shaped, the reciprocating lead screw 405 is rotationally connected with the inner wall of the fixed frame 401, and the L-shaped fixed frame 401 is convenient for avoiding the reciprocating lead screw 405 from falling off.

[0038] At the same time, in order to facilitate cleaning of the dross attached to the scraper 407, specifically, the side wall of the sliding block 406 is provided with a clamping groove 408, and the two side walls of the scraper 407 are fixedly provided with clamping blocks 409, the clamping blocks 409 are clamped in the clamping grooves 408, so that the scraper 407 is convenient to disassemble and assemble, thereby facilitating cleaning or replacement of the scraper 407.

[0039] Further, in order to avoid the clamping block 409 from falling off, specifically, the cross section of the clamping block 409 is T-shaped, and the size and position of the clamping block 409 are matched with the size and position of the clamping groove 408, the T-shaped clamping block 409 matched with the size and position of the clamping groove 408 improves the clamping stability.

[0040] It is worth noting that, in order to avoid the dross from splashing, specifically, the height of the side wall of the air flotation tank 1 close to the waste pool 6 is less than the height of the side wall of the other side, and the bottom of the scraper 407 is flush with the top of the side wall of the air flotation tank 1, the height of the side wall of the waste pool 6 is less than the height of the side wall of the other side, so that the dross falls into the waste pool 6.

[0041] Finally, in order to avoid the sewage from flowing back into the aerator 505, specifically, the aerator 505 is a rubber diaphragm micro-porous aerator, the diaphragm has a small self-closing hole, the micro-pores of the aerator 505 are automatically opened under air pressure, air enters the air flotation tank 1 for oxygenation, and if the pressure disappears, the micro-pores of the aerator 505 are automatically closed to prevent the sewage from flowing back into the micro-pores.

[0042] In addition, the circuits, electronic components and modules involved in the utility model are prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of internal structure and method.

[0043] The device or equipment model involved in the present application can be as follows:

[0044] First motor 2: Y90S-2;

[0045] Second motor 402: Z90S-2;

[0046] Air pump 501: G1BL2453.

[0047] In combination Figures 1-5 , the sewage air flotation device of the embodiment is used as follows:

[0048] 1: According to the actual use, sewage and reagent are injected into the air flotation tank 1, the first motor 2 is started to drive the auger 3 to rotate and mix the sewage and reagent, the second motor 402 is started to drive the worm 403 to rotate and drive the two worm gears 404 to rotate at the same time, so that the two reciprocating lead screws 405 rotate and drive the two sliding blocks 406 to reciprocate, and then the scraper 407 reciprocates to remove the scum to the waste tank 6;

[0049] 2: Start the air pump 501 to output gas to the distribution pipe 502, the gas is diffused in the form of bubbles from the top of the aerator 505 along the branch pipe 504, the bubbles capture impurities in the sewage, and the electromagnetic valve 503 adjusts the gas flow rate to adapt to different needs.

[0050] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features of the embodiments disclosed in the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A sewage air flotation device, characterized in that The air floatation tank (1) is characterized in that a plurality of first motors (2) are arranged on the side wall of the air floatation tank (1), the output end of the first motor (2) is provided with an auger (3), a scraping assembly (4) is arranged on the top of the air floatation tank (1), the scraping assembly (4) comprises a fixed frame (401), a second motor (402) is arranged on the side wall of the fixed frame (401), the output end of the second motor (402) is provided with a worm (403), the circumferential outer wall of the worm (403) is engaged with a worm gear (404) at both ends, the circumferential inner wall of the two worm gears (404) is provided with a reciprocating lead screw (405), the circumferential outer wall of the two reciprocating lead screws (405) is threadedly connected with a sliding block (406), the side wall of the sliding block (406) is provided with a scraper (407), an aeration assembly (5) is arranged on the bottom of the inner cavity of the air floatation tank (1), a waste tank (6) is arranged on the side wall of the air floatation tank (1), and the first motor (2) and the second motor (402) are electrically connected with an external power supply.

2. The sewage air flotation device according to claim 1, characterized in that The aeration assembly (5) comprises a gas pump (501), the output end of the gas pump (501) is provided with a distribution pipe (502), one end of the circumferential outer wall of the distribution pipe (502) is provided with a solenoid valve (503), the circumferential outer wall of the distribution pipe (502) is provided with a plurality of branch pipes (504), and the circumferential outer wall of the plurality of branch pipes (504) is provided with a plurality of aerators (505) at the top.

3. The sewage air flotation device according to claim 2, characterized in that The fixed frame (401) is L-shaped in cross section, and the reciprocating lead screw (405) is rotationally connected with the inner wall of the fixed frame (401).

4. The sewage air flotation device according to claim 3, characterized in that The side wall of the sliding block (406) is provided with a clamping groove (408), and the side walls of the two sides of the scraper (407) are provided with clamping blocks (409).

5. The sewage air flotation device according to claim 4, characterized in that The clamping block (409) is T-shaped in cross section, and the size and position of the clamping block (409) are matched with the size and position of the clamping groove (408).

6. The sewage air flotation device according to claim 5, characterized in that The height of the side wall of the air floatation tank (1) close to the waste tank (6) is less than the height of the side wall on the other side, and the bottom of the scraper (407) is flush with the top of the side wall of the air floatation tank (1).

7. The sewage air flotation device according to claim 6, characterized in that The aerator (505) is a rubber diaphragm micro-porous aerator, and the diaphragm has a micro self-closing hole.

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