Air floatation device for water treatment

Abstract

The utility model discloses an air floatation device for water treatment, which relates to the technical field of water treatment and comprises a water inlet cabin and a slag scraping component, an input pump is mounted at the top of the water inlet cabin, one side of the water inlet cabin is communicated with a reaction component, and one side, far away from the water inlet cabin, of the reaction component is communicated with a mixed gas mixing cabin; the impurity removal box set is installed at the top of the impurity removal box set, and a top cover assembly is erected at the top of the impurity removal box set. According to the air flotation device for water treatment, the slag scraping assembly is erected at the top of the impurity removal box set, and the slag discharging pipes are arranged at the upper ends of the two sides of the air flotation box through operation of the structure of the slag scraping assembly, so that impurities floating on the surface of a water body can be rapidly and effectively removed; appropriate adjustment can be made within a certain range according to the height of the water surface and floating impurities, and the top cover assembly is used for covering and protecting the opening in the top of the air floating box to a certain extent, so that unnecessary foreign matter is prevented from entering the air floating box.

Description

TECHNICAL FIELD

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

[0002] Water treatment refers to the removal of harmful substances in water that are not needed for production and life by a series of physical, chemical or biological means to achieve specific water quality standards or meet specific use requirements. Water treatment can be divided into water supply treatment and wastewater treatment.

[0003] Air floatation device is to pass air into water in the form of small bubbles, make small bubbles and particles suspended in water adhere, form water-gas-particle three-phase mixed system, after particle adheres to bubble, density is less than water, i.e. float to water surface, form dross layer, separate from water.

[0004] Air floatation device is widely used in water supply, industrial wastewater and municipal wastewater treatment and other fields. Its advantages include less investment, small land area, high degree of automation, convenient operation and management, etc. In wastewater treatment, air floatation machine can efficiently remove oil, colloidal substances and other small particles that are difficult to settle, significantly improve the treatment efficiency.

[0005] The conventional air floatation device's dross scraping structure is relatively single, so that the treatment efficiency is relatively limited. At the same time, the dross discharge structure is relatively fixed, and the liquid level height needs to be relatively ensured with the device structure, so that the liquid level of water body needs to be ensured with the device drop, which affects the impurity removal effect of the device.

[0006] Therefore, in view of the above, the existing structure and defects are improved, and an air floatation device for water treatment is proposed. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims to provide an air floatation device for water treatment to solve the problems in the background art.

[0008] In order to achieve the above object, the utility model provides following technical scheme: a kind of air floatation device for water treatment, including water inlet cabin and slag scraping subassembly, the top of water inlet cabin is equipped with input pump, and the side of water inlet cabin is connected with reaction component, and the side of reaction component away from water inlet cabin is connected with gas mixing cabin, and the side edge lower end of gas mixing cabin is equipped with gas mixing component, while the side of gas mixing cabin away from reaction component is connected with impurity removal box group, the top of impurity removal box group is installed in impurity removal box group, and the top of impurity removal box group is equipped with top cover assembly, the slag scraping subassembly includes guide rail, drive motor, reciprocating screw, moving frame, telescopic link and scraper, one end of guide rail is equipped with drive motor, and the power output end of drive motor is horizontally equipped with reciprocating screw by coupling, and the surface of reciprocating screw is connected with moving frame, and the end of moving frame away from reciprocating screw is vertically equipped with telescopic link, while the bottom of telescopic link is connected and equipped with scraper.

[0009] Further, the reaction component includes coagulation cabin, flocculation cabin, servo motor, stirring roller and injection port, the side of coagulation cabin is connected with flocculation cabin, and servo motor is vertically installed on the top of flocculation cabin and coagulation cabin, and the bottom power output end of servo motor is vertically installed with stirring roller by coupling, and the top of coagulation cabin and flocculation cabin is equipped with injection port.

[0010] Further, the injection port is connected to the inside of coagulation cabin and flocculation cabin respectively, and the communication port between coagulation cabin and flocculation cabin is arranged below, and the communication port between flocculation cabin and gas mixing cabin is arranged above, and the stirring roller is vertically installed in the middle of the inside of coagulation cabin and flocculation cabin respectively.

[0011] Further, the inside of water inlet cabin, reaction component, gas mixing cabin, gas mixing component, impurity removal box group is sequentially connected, and the flow route of the connection between reaction component and gas mixing cabin inside is horizontally arranged as "S" shape structure.

[0012] Further, the impurity removal box group includes air floatation tank, sedimentation zone, sludge discharge pipe, fixed seat, residue discharge pipe and drain pipe, the bottom of air floatation tank is provided with sedimentation zone, and the side edge bottom of sedimentation zone is horizontally installed with sludge discharge pipe, the top of air floatation tank is provided with opening structure and is provided with fixed seat on the edge of opening structure, and the upper end of left and right sides of air floatation tank is horizontally installed with residue discharge pipe, and the side of air floatation tank away from gas mixing cabin is horizontally installed with drain pipe.

[0013] Further, the sedimentation zones are equidistantly arranged on the bottom of air floatation tank and are interconnected with the inside of air floatation tank, and the fixed seat and air floatation tank are weldedly connected.

[0014] Further, the top cover assembly includes stabilizing frame, lifting column and cover plate, the four diagonal places of stabilizing frame are vertically installed with lifting column, and the top of lifting column is horizontally connected with cover plate.

[0015] Further, the moving frame is in threaded connection and sliding key groove connection with the reciprocating lead screw and the guide rail respectively, the reciprocating lead screw and the guide rail are parallel to each other, the guide rail is horizontally installed on the side of the stable frame, and the stable frame is fixedly installed on the top of the fixed seat.

[0016] The water treatment air flotation device has the following beneficial effects:

[0017] 1. The utility model discloses a slag scraping assembly is arranged on the top opening of the impurity removal box group, the reciprocating lead screw rotates in the horizontal axial direction under the drive of the driving motor, the moving frame connected with the reciprocating lead screw reciprocates along the reciprocating lead screw and the guide rail surface, the telescopic rod and the scraper connected with the moving frame reciprocate in the horizontal direction, and the scraper connected with the bottom of the telescopic rod can be vertically adjusted in a certain distance under the telescopic structure of the telescopic rod. The slag scraping assembly can continuously scrape the impurities on the surface of the water body, and the two groups of slag discharge pipes arranged on the two sides of the air flotation tank can quickly remove the impurities, and the height of the water surface and the thickness of the floating object can be adjusted and adapted flexibly, so that the effectiveness of the horizontal impurity removal is guaranteed.

[0018] 2. The utility model discloses a top cover assembly, the cover plate connected with the top can be driven by the structure operation of the lifting column, the relative distance between the stable frame and the cover plate can be realized, the opening of the fixed seat can be provided with a certain degree of structural shielding according to the need, and foreign matters are prevented from entering the opening as far as possible, the opening of the air flotation tank can be observed by the structure adjustment, the internal maintenance of the equipment is facilitated, the device can be effectively and stably operated, a plurality of deposition areas are arranged on the bottom of the air flotation tank, and the sludge discharge pipe is arranged on the side of each deposition area, so that the real-time and rapid treatment of the deposits in the sewage treatment process is guaranteed, unnecessary structural blockage is avoided, the effectiveness of the sewage treatment is reduced, the efficiency of the device in treating the sewage is guaranteed, and the overall structural practicability is ensured. ACCURACY OF DRAWINGS

[0019] Figure 1 It is a body axis side view structural schematic diagram of the utility model discloses a kind of water treatment air flotation device;

[0020] Figure 2 It is a body axis side view structural schematic diagram of the utility model discloses a kind of water treatment air flotation device;

[0021] Figure 3A reaction component three-dimensional structure schematic diagram of the air flotation device for water treatment of the utility model is shown in the figure.

[0022] Figure 4 A slag scraping assembly three-dimensional structure schematic diagram of the air flotation device for water treatment of the utility model is shown in the figure.

[0023] Figure 5 A top cover assembly three-dimensional structure schematic diagram of the air flotation device for water treatment of the utility model is shown in the figure.

[0024] In the figure: 1, water inlet cabin; 2, input pump; 3, reaction component; 301, coagulation cabin; 302, flocculation cabin; 303, servo motor; 304, stirring roller; 305, material injection port; 4, gas mixing cabin; 5, gas mixing component; 6, impurity removal box group; 601, air flotation box; 602, sedimentation zone; 603, sludge discharge pipe; 604, fixing seat; 605, slag discharge pipe; 606, water discharge pipe; 7, slag scraping assembly; 701, guide rail; 702, driving motor; 703, reciprocating screw; 704, moving frame; 705, telescopic rod; 706, scraper; 8, top cover assembly; 801, stabilizing frame; 802, lifting column; 803, cover plate. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0026] As Figures 1 to 5The utility model discloses a kind of air floatation devices for water treatment, including water inlet cabin 1 and slag scraping component 7, input pump 2 is installed at the top of water inlet cabin 1, and one side of water inlet cabin 1 is communicated with reaction component 3, and the side of reaction component 3 away from water inlet cabin 1 is communicated with gas mixing cabin 4, and the side end of gas mixing cabin 4 is installed with gas mixing component 5, while the side of gas mixing cabin 4 away from reaction component 3 is communicated with impurity removal box group 6, impurity removal box group 6 is installed on the top of impurity removal box group 6, and top cover component 8 is erected on the top of impurity removal box group 6, slag scraping component 7 includes guide rail 701, drive motor 702, reciprocating screw rod 703, moving frame 704, telescopic rod 705 and scraper 706, one end of guide rail 701 is installed with drive motor 702, and the power output end of drive motor 702 is horizontally installed with reciprocating screw rod 703 by coupling, and the surface of reciprocating screw rod 703 is connected with moving frame 704, and the end of moving frame 704 away from reciprocating screw rod 703 is vertically installed with telescopic rod 705, while the bottom of telescopic rod 705 is connected and installed with scraper 706, moving frame 704 is threadedly connected and sliding key groove connection between reciprocating screw rod 703 and guide rail 701 respectively, and reciprocating screw rod 703 and guide rail 701 are parallel to each other, and guide rail 701 is horizontally installed on the side of stabilizing frame 801, and stabilizing frame 801 is fixedly installed on the top of fixed seat 604, wherein reciprocating screw rod 703 is driven to rotate on horizontal axis under the drive of drive motor 702, so that moving frame 704 connected with it will simultaneously reciprocate along the surface of reciprocating screw rod 703 and guide rail 701, to drive telescopic rod 705 and scraper 706 connected with it to reciprocate in front and back in horizontal direction, and under the telescopic structure of telescopic rod 705, the scraper 706 connected at its bottom can be vertically adjusted in a certain distance.

[0027] As Figures 1 to 5As shown, the reaction component 3 includes coagulation tank 301, flocculation tank 302, servo motor 303, stirring roller 304 and injection port 305, one side of the coagulation tank 301 is communicated with the flocculation tank 302, and the top of the flocculation tank 302 and the coagulation tank 301 is vertically installed with servo motor 303, and the bottom power output end of the servo motor 303 is vertically installed with the stirring roller 304 through the shaft coupling, the top of the coagulation tank 301 and the flocculation tank 302 is installed with injection port 305, injection port 305 is communicated in the coagulation tank 301, flocculation tank 302 respectively, and the communication port between the coagulation tank 301 and the flocculation tank 302 is arranged below, and the communication port between the flocculation tank 302 and the gas mixing tank 4 is arranged above, and the stirring roller 304 is vertically installed in the middle of the coagulation tank 301 and the flocculation tank 302 respectively, the inside of the water inlet tank 1, the reaction component 3, the gas mixing tank 4, the gas mixing component 5, the impurity removal box group 6 is communicated in turn, and the communication flow route in the reaction component 3 and the gas mixing tank 4 is arranged in horizontal "S" shape structure, the impurity removal box group 6 includes air floatation tank 601, sedimentation zone 602, sludge discharge pipe 603, fixed seat 604, residue discharge pipe 605 and drain pipe 606, the bottom of the air floatation tank 601 is provided with the sedimentation zone 602, and the side bottom of the sedimentation zone 602 is horizontally installed with the sludge discharge pipe 603, the top of the air floatation tank 601 is provided with an opening structure and a fixed seat 604 is arranged on the edge of the opening structure, and the left and right sides of the air floatation tank 601 are horizontally installed with the residue discharge pipe 605, and the air floatation tank 601 is horizontally installed with the drain pipe 606 away from the gas mixing tank 4, the sedimentation zone 602 is equidistantly arranged on the bottom of the air floatation tank 601 and communicated with the inside of the air floatation tank 601, and the fixed seat 604 and the air floatation tank 601 are welded, the top cover assembly 8 includes stable frame 801, lifting column 802 and cover plate 803, the four corners of the stable frame 801 are vertically installed with lifting column 802, and the top of the lifting column 802 is horizontally connected with the cover plate 803, wherein the structure of the lifting column 802 can drive the cover plate 803 connected to the top, so that the relative distance between the stable frame 801 and the cover plate 803 can be realized, and a certain degree of structural shielding can be provided for the opening of the fixed seat 604, and foreign matters entering the inside can be avoided as much as possible.

[0028] As shown above, Figures 1 to 5 The air floatation device for water treatment is used, first, the sewage in the upstream equipment is continuously and uniformly conveyed to the inside of the coagulation tank 301 by the operation of the pipeline structure and the input pump 2, in the process, the coagulation agent and the flocculation agent needed can be injected into the inside of the coagulation tank 301 and the flocculation tank 302 through the injection port 305 on the top of the coagulation tank 301 and the flocculation tank 302 respectively;

[0029] With sewage into the coagulation cabin 301, coagulation flocculation cabin 302 inside in turn, in this process servo motor 303 will drive the bottom connected stirring roller 304, respectively, to the sewage into the coagulation cabin 301, coagulation flocculation cabin 302 inside disturbance, and sewage and treatment reagent for fully mixed, after mixing the sewage after treatment begins to enter the mixed gas mixing cabin 4 inside, and under the operation of the mixed gas component 5, air into the water in the form of small bubbles, so that the small bubbles and water suspended particles adhere to form water-gas-particle three-phase mixing system, particles adhere to the bubble, density less than water, that is, floating to the water surface, forming a dross layer, separated from the water;

[0030] With sewage in the air float tank 601 inside after reaction separation, at this time installed on the top of the fixed seat 604 top cover assembly 8, will be adjusted according to the situation, using the stable frame 801 on the corner of the lifting column 802, through the structure of expansion and contraction, the top cover plate 803 is lifted or is lowered, to prevent foreign matter into;

[0031] At the same time, the slag scraping assembly 7 will operate synchronously, under the operation of the driving motor 702, the reciprocating screw rod 703 connected thereto will start to rotate horizontally, so that the moving frame 704 will simultaneously reciprocate along the surface of the guide rail 701 and the reciprocating screw rod 703, and the telescopic rod 705 will lift and adjust the scraper 706 connected at the bottom to ensure that the scraper 706 can contact the floating material on the liquid surface;

[0032] Under the operation of the slag scraping assembly 7, the impurities floating on the liquid surface will be scraped to both sides of the fixed seat 604 inside and quickly discharged from the slag discharge pipe 605, in this process, a part of the impurities in the water will settle and gather in the sedimentation area 602 at the bottom of the air float tank 601, cooperate with the use of the sludge discharge pipe 603, so as to quickly discharge the sludge settled in the sedimentation area 602, avoid affecting the treatment of sewage, and the relatively clean water in the middle layer of the air float tank 601 will be transported to the downstream equipment under the cooperation of the drain pipe 606 for subsequent treatment.

[0033] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An air floatation device for water treatment comprising a water inlet tank (1) and a slag scraping assembly (7), characterized in that: The top of the water inlet chamber (1) is provided with an input pump (2), one side of the water inlet chamber (1) is communicated with a reaction component (3), the side away from the water inlet chamber (1) of the reaction component (3) is communicated with a gas mixing cabin (4), the lower end of the side of the gas mixing cabin (4) is provided with a gas mixing component (5), and the side away from the reaction component (3) of the gas mixing cabin (4) is communicated with a group of impurity removal boxes (6), the top of the group of impurity removal boxes (6) is provided with a top cover assembly (8), the group of slag scraping assemblies (7) comprises a guide rail (701), a driving motor (702), a reciprocating lead screw (703), a moving frame (704), an extension rod (705) and a scraper (706), one end of the guide rail (701) is provided with the driving motor (702), the power output end of the driving motor (702) is horizontally provided with the reciprocating lead screw (703) through a shaft coupling, the surface of the reciprocating lead screw (703) is connected with the moving frame (704), and the end away from the reciprocating lead screw (703) of the moving frame (704) is vertically provided with the extension rod (705), and the bottom of the extension rod (705) is connected with the scraper (706).

2. The air floatation device for water treatment according to claim 1, wherein The reaction component (3) comprises a coagulation cabin (301), a flocculation cabin (302), a servo motor (303), a stirring roller (304) and a material injection port (305), one side of the coagulation cabin (301) is communicated with the flocculation cabin (302), the top of the coagulation cabin (301) and the flocculation cabin (302) is vertically provided with the servo motor (303), and the bottom power output end of the servo motor (303) is vertically provided with the stirring roller (304) through a shaft coupling, and the top of the coagulation cabin (301) and the flocculation cabin (302) is provided with the material injection port (305).

3. The air floatation device for water treatment according to claim 2, wherein The material injection port (305) is respectively communicated with the inside of the coagulation cabin (301) and the flocculation cabin (302), the communication port between the coagulation cabin (301) and the flocculation cabin (302) is arranged below, the communication port between the flocculation cabin (302) and the gas mixing cabin (4) is arranged above, and the stirring roller (304) is vertically arranged in the middle of the inside of the coagulation cabin (301) and the flocculation cabin (302).

4. The air floatation device for water treatment according to claim 1, wherein The inside of the water inlet chamber (1), the reaction component (3), the gas mixing cabin (4), the gas mixing component (5) and the group of impurity removal boxes (6) are sequentially communicated, and the flow route of the communication between the reaction component (3) and the gas mixing cabin (4) is arranged in a horizontal "S" shape structure.

5. The air floatation device for water treatment according to claim 1, wherein The impurity removal box group (6) comprises a gas float box (601), a deposition area (602), a sludge discharge pipe (603), a fixing seat (604), a residue discharge pipe (605) and a water discharge pipe (606), the bottom of the gas float box (601) is provided with the deposition area (602), the side bottom of the deposition area (602) is horizontally provided with the sludge discharge pipe (603), the top of the gas float box (601) is provided with an opening structure and the edge of the opening structure is provided with the fixing seat (604), the upper ends of the left and right sides of the gas float box (601) are horizontally provided with the residue discharge pipe (605), and the side, away from the gas mixing cabin (4), of the gas float box (601) is horizontally provided with the water discharge pipe (606).

6. The air floatation device for water treatment according to claim 5, wherein The deposition areas (602) are equidistantly arranged on the bottom of the gas float box (601) and are in communication with the interior of the gas float box (601), and the fixing seat (604) and the gas float box (601) are in welded connection.

7. The air floatation device for water treatment according to claim 5, wherein The top cover assembly (8) comprises a stabilizing frame (801), a lifting column (802) and a cover plate (803), the four diagonal corners of the stabilizing frame (801) are vertically provided with the lifting columns (802), and the top of the lifting column (802) is horizontally connected with the cover plate (803).

8. The air floatation device for water treatment according to claim 7, wherein The moving frame (704) is in threaded connection and sliding key groove connection with the reciprocating lead screw (703) and the guide rail (701) respectively, the reciprocating lead screw (703) and the guide rail (701) are parallel to each other, the guide rail (701) is horizontally installed on the side of the stabilizing frame (801), and the stabilizing frame (801) is fixedly installed on the top of the fixing seat (604).

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