CN208933025U - A kind of flotation tank - Google Patents

Abstract

The utility model discloses a kind of flotation tanks, major design main points are, including pond body, pond body one end is connected with water inlet pipe, the other end is connected with outlet pipe, molten gas pond is provided in pond body and except slag bath, molten gas bottom of pond portion offers the first communication port, except slag bath is connected to outlet pipe, the top in molten gas pond offers the second communication port led to except slag bath, molten gas pond includes molten air cavity, molten air cavity is located at the lower part in molten gas pond, it is provided in molten air cavity and stirs device of air and bubble generator, the bottom of molten air cavity is arranged in bubble generator, stir the surface that device of air is located at bubble generator；Stirring device of air includes stirring gas disk and slice, stirs gas disk and is horizontally disposed with, and slice has multiple lower surfaces for being vertically installed at and stirring gas disk, stirs on gas disk and connects shaft, shaft upper end is connected with motor, and motor is fixed in pond body；Pod is covered on molten air cavity, pod is necking shape, and the necking end of pod is upper.The utility model guarantees the cutting degree of bubble, while reducing the revolving speed of shaft.

Description

A kind of flotation tank

Technical field

The utility model relates to sewage treatment field, in particular to a kind of flotation tank.

Background technique

Air-flotation process method is air to be passed through into waste water, and the micro-bubble to be precipitated from water is as the load of pollutant Body.The polluters such as oil emulsion, small suspended particulate in usual waste water can attach to bubble surface, and bubble is followed to float together To the water surface, it can achieve the purpose of separation impurity by collecting bubble or dross, be purified waste water.

The patent document that Authorization Notice No. is CN204824245U prepares fine gas during disclosing a kind of dissolved air flotation The equipment of bubble, including bubble generator, motor, shaft and slice, slice are horizontally fixed in shaft, and shaft is mounted on motor Output end, bubble generator generate bubble, and motor drives the quick rotation of slice, carry out machine cuts to bubble, become bubble It is small.

But when such slice work, bubble can move directly to liquid surface after generating, so that slice must be quick Rotation, could repeatedly cut bubble, so that shaft revolving speed is big, mechanical lubrication requires high.

Utility model content

In view of the deficienciess of the prior art, guaranteeing bubble the purpose of this utility model is to provide a kind of flotation tank Cutting degree, while reducing the revolving speed of shaft.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of flotation tank, including pond body, pond body one end are connected with water inlet pipe, and the other end is connected with outlet pipe, the pond body It is inside provided with reservoir, molten gas pond and except slag bath, molten gas bottom of pond portion offers the first communication port, the first communication port and reservoir connect Logical, except slag bath is connected to outlet pipe, the top in molten gas pond offers the second communication port led to except slag bath, and the molten gas pond includes Molten air cavity, molten air cavity are located at the lower part in molten gas pond, are provided in molten air cavity and stir device of air and bubble generator, bubble generator is set It sets and stirs the surface that device of air is located at bubble generator in the bottom of molten air cavity；Stirring device of air includes stirring gas disk and slice, stirs gas Disk is horizontally disposed, and slice has multiple lower surfaces for being vertically installed at and stirring gas disk, stirs on gas disk and connects shaft, and shaft is vertical, turns Axis upper end is connected with motor, and motor is fixed in pond body；Pod is covered on the molten air cavity, pod is necking shape, water conservancy diversion The necking end of cover is upper.

By using above-mentioned technical proposal, in use, raw water is introduced into reservoir, then enter from the first communication port To the bottom in molten gas pond, bubble generator generates bubble, drives under the action of motor and stirs the rotation of gas disk, stirs gas disk and be located at bubble The surface of generator, the bubble that bubble generator generates is to floating between multiple slices, since pod is necking shape, from And limit flowing velocity and the direction of liquid, to make bubble low speed horizontal through multiple slices, so as to make shaft compared with Bubble is repeatedly cut under low velocity, guarantees the cutting degree of bubble.

The utility model is further arranged to: being provided with impeller right above the pod necking end, impeller is fixed on In shaft.

By using above-mentioned technical proposal, impeller right above pod necking end is rotated with shaft, is being rotated During, blade pushes down on liquid, and liquid is made to generate certain buffer brake in pod, further decreases the stream of liquid Speed.

The utility model is further arranged to: the molten gas pond further includes that mixed flow chamber with chamber, mixed flow chamber is connected to is located at molten gas The surface of chamber, connection chamber is located at the surface of mixed flow chamber and mixed flow chamber is communicated with connection chamber, and the second communication port is located at connection chamber Interior, impeller is located in mixed flow chamber.

By using above-mentioned technical proposal, blade position is mixed in sap cavity, and in the course of rotation, blade handle keeps liquid anti-to blade The liquid being just flowed into mixed sap cavity to impact mixes the liquid in mixed flow chamber more abundant, to further decrease shaft Revolving speed.

The utility model is further arranged to: the molten air cavity in the molten gas pond have it is multiple, mixed flow chamber have it is multiple and with it is molten Air cavity is corresponding.

By using above-mentioned technical proposal, molten air cavity has multiple, reduces the mixed cell of liquid and gas, thus mixed It can more quickly be mixed when conjunction, so that the difficulty of mixing is further decreased, to reduce the revolving speed of shaft.

The utility model is further arranged to: conditioning tank is provided in the pond body, conditioning tank water inlet pipe is communicated to adjusting In pond, and water pump is provided between conditioning tank and reservoir, Pump Suction water end (W.E.) is connected in conditioning tank, and the water outlet of water pump is stretched Into reservoir.

By using above-mentioned technical proposal, the preamble of reservoir is arranged in conditioning tank, can be to water inlet pipe stream in conditioning tank The water entered plays the role of temporarily storing, and adjusts the molten gas adaptability in molten gas pond.

The utility model is further arranged to: it is described except sensor is provided in slag bath, it is electrically connected between sensor and water pump It connects.

By using above-mentioned technical proposal, driver is detected automatically except the impurity concentration in slag bath, when impurity concentration increases, The revolving speed of water pump is reduced, residence time of the water in molten pond is improved.

The utility model is further arranged to: being electrically connected between the sensor and motor.

By using above-mentioned technical proposal, the revolving speed for the impurity concentration automatic adjustment motor that motor is detected according to sensor, To make shaft more adapt to the needs of impurity cleaning work, impurity can further decrease the revolving speed of shaft when few.

The utility model is further arranged to: described remove in slag bath is provided with slag-draining device.

By using above-mentioned technical proposal, it is provided with slag-draining device in except slag bath, is facilitated except liquid surface in slag bath Bubble and impurity mixture remove.

In conclusion the utility model has the following beneficial effects:

1. stirring gas disk and pod by being arranged in molten air cavity, the air bubble flow rate for generating bubble generator reduces, Bubble stream is upwards along the arragement direction of slice, to enable bubble compared with low velocity by multiple slices, so as to protect Demonstrate,prove the revolving speed that shaft is reduced under the cutting degree of bubble；

2. by the way that the impeller above pod necking end is arranged in, wheel rotation can generate reversed pressure to liquid, The flow velocity of liquid is further decreased, liquid is on the other hand made to generate mixed flow in mixed flow chamber, increases the mixing of bubble and liquid；

3. conditioning tank can temporarily increased or decrease moisture storage capacity as needed by being arranged in the intracorporal conditioning tank in pond, adjust Save the molten gas adaptability in molten gas pond.

Detailed description of the invention

Fig. 1 is the perspective view of flotation tank；

Fig. 2 is the cross-sectional view in the direction Figure 1A-A；

Fig. 3 is the portion the B enlarged drawing of Fig. 1；

Fig. 4 is the cross-sectional view in the direction Fig. 2 C-C；

Fig. 5 is the portion the D enlarged drawing of Fig. 2.

Appended drawing reference: 1, pond body；11, conditioning tank；12, reservoir；121, the first communication port；13, molten gas pond；131, molten gas Chamber；132, mixed flow chamber；133, it is connected to chamber；1331, the second communication port；134, pod；135, demarcation plate；14, slag bath is removed；21, Water inlet pipe；22, outlet pipe；3, bubble generator；4, device of air is stirred；41, gas disk is stirred；42, it is sliced；43, shaft；44, motor； 45, impeller；5, water pump；6, climbing conveyer belt；61, baffle；62, rib；63, impurity slot；7, straight belt；71, scraper plate； 72, bracket；73, spring；74, slag slot；8, sensor.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing 1, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of flotation tank, with reference to Fig. 1, including pond body 1, pond body 1 is the rectangle of upper opening, and 1 one end of pond body is connected with Water inlet pipe 21, the other end are connected with outlet pipe 22, and pond body 1 is successively partitioned into adjusting from 21 one end of water inlet pipe to 22 one end of outlet pipe Pond 11, reservoir 12, molten gas pond 13 and remove slag bath 14.Water inlet pipe 21 is connected to the top of conditioning tank 11, and connects with conditioning tank 11 It is logical；Water pump 5 is provided between conditioning tank 11 and water storage hole, water pump 5 is mounted on the upper surface of pond body 1, and 5 suction side of water pump reaches tune It saves in pond 11,5 water outlet of water pump reaches in reservoir 12；Cooperating Fig. 2,12 bottom of reservoir offers the first communication port 121, the One communication port 121 is passed into the bottom in molten gas pond 13；The top in molten gas pond 13 offers the second communication port 1331, the second communication port 1331 are passed into the top except slag bath 14；Outlet pipe 22 is connected to the lower part except slag bath 14, and is connected to slag bath 14 is removed.

Raw water enters from water inlet pipe 21, is first into conditioning tank 11, is then sucked out of conditioning tank 11 by water pump 5 Into reservoir 12, then the bottom in molten gas pond 13 is entered by the first communication port 121 of 12 bottom of reservoir, using second Communication port 1331 enters the top except slag bath 14, finally flows out pond body 1 from the outlet pipe 22 except 14 bottom of slag bath.

With reference to Fig. 2, climbing conveyer belt 6 is provided in conditioning tank 11, climbing conveyer belt 6 is zigzag, conveyer belt 6 of climbing Low order end be located at the bottom of conditioning tank 11, the high order end of climbing conveyer belt 6 is located at the top of conditioning tank 11, and from pond body 1 Side wall stretch out pond body 1.After raw water enters in conditioning tank 11, water flow slows down, precipitable in water to fall in climbing conveying downwards With 6 upper surface, conveyer belt 6 of climbing is operated, and impurity is made to be transported to high site with climbing conveyer belt 6.It is placed with by pond body 1 The opening of impurity slot 63,63 upper opening of impurity slot, and impurity slot 63 is located at the underface of climbing 6 high order end of conveyer belt.Impurity It is dropped into impurity slot 63 after reaching the high site of climbing conveyer belt 6.

With reference to Fig. 3, in order to which the conveyer belt 6 that makes the to climb gradient of climbing increases, shorten the length of climbing conveyer belt 6, it is defeated climbing It send and is uniformly arranged multiple baffles 61 along the length direction of climbing conveyer belt 6 on the working face of band 6, baffle 61 is vertical and protrudes from Two sides of the working face of climbing conveyer belt 6, climbing conveyer belt 6 are provided with rib 62, and the both ends of baffle 61 extend to gear The surface on side 62.The revolving speed of climbing conveyer belt 6 is set according to the concentration of impurity, and baffle 61 is moved to along climbing conveyer belt 6 and climbed When the high order end of slope conveyer belt 6, a part of water can be contained at baffle 61, to be transported to climbing conveyer belt with impurity in baffle 61 When 6 high order end, the water energy in baffle 61 is enough flowed into impurity slot 63 with impurity together, easy cleaning climbing conveyer belt 6 On impurity.

With reference to Fig. 4, molten gas pond 13 is divided into molten air cavity 131, mixed flow chamber 132 from bottom to up and is connected to chamber 133, molten air cavity 131 Have multiple, bubble generator 3 is installed in the bottom of molten air cavity 131, bubble generator 3 generates bubble, sets in molten air cavity 131 It is equipped with and stirs device of air 4, stir device of air 4 for bubble to be cut into minute bubbles, stirring device of air 4 includes stirring gas disk 41 and slice 42, It is horizontally disposed to stir gas disk 41, slice 42 is vertically installed at the lower surface for stirring gas disk 41, and slice 42 has multiple be distributed in stir gas disk 41 Lower surface on, stir the surface that device of air 4 is located at bubble generator 3.It stirs 41 upper surface of gas disk and is connected with vertical shaft 43, 43 lower end of shaft, which is fixed on, to be stirred on gas disk 41, and 43 upper end of shaft is connected with motor 44, and motor 44 is fixed on the upper surface of pond body 1, Shaft 43 is driven to rotate by motor 44, the rotation of gas disk 41 is stirred in the drive of shaft 43, is mounted on the multiple slices 42 stirred on gas disk 41 The bubble generated to bubble generator 3 is cut, so that bubble be made to become smaller, increases the surface area of adsorbing contaminant, and adsorb After impurity, impurity floats to liquid surface with bubble.

With reference to Fig. 4, pod 134 is provided between molten air cavity 131 and mixed flow chamber 132, pod 134 is necking shape, Pod 134 covers on the top of molten air cavity 131, and the necking end of pod 134 is provided with impeller 45, leaf upper in mixed flow chamber 132 Wheel 45 is located at the surface of 134 necking end of pod, 45 center line of impeller and 43 centerline collineation of shaft, and impeller 45, which is fixed on, to be turned On axis 43.When molten bladdery liquid is flowed out from necking end, impeller 45 is rotated with shaft 43, and liquid is made to generate mixing downwards Agitation, the blocking by pod 134 is moved to the direction far from 134 center of pod, thus along impeller 45 and mixed flow chamber Gap between 132 flows up, and is connected between chamber 133 and mixed sap cavity and is provided with demarcation plate 135, offers on demarcation plate 135 Multiple through holes.Cooperate Fig. 2, the second communication port 1331 is located at the top of connection chamber 133, bubble and liquid from the second communication port 1331 enter except in slag bath 14.

With reference to Fig. 2, the top except slag bath 14 is provided with straight belt 7, the working face of straight belt 7 perpendicular to Except the side wall of slag bath 14, and the width of straight belt 7 is equal to except 14 width of slag bath, and straight belt 7 favours ground and sets It sets on the top except slag bath 14 and one end close to the second communication port 1331 is lower than one end far from the second communication port 1331.Directly Line conveyer belt 7 is located at the obliquely downward of the second communication port 1331 close to one end of the second communication port 1331, positioned at except in slag bath 14 Liquid level is equal with 1331 height of the second communication port.Straight belt 7 is located at far from one end of the second communication port 1331 to be removed The top of slag bath 14, and the outside of pond body 1 is extended to, when bubble is swum in except in slag bath 14, bubble can the second communication port 1331 It is mobile to the direction far from the second communication port 1331, when reaching liquid surface and 7 intersection of straight belt, straight belt 7 are rotated up, and bubble is sticked on straight belt 7, thus as straight belt 7 moves upwards.Positioned at straight belt 7 End is provided with scraper plate 71, and scraper plate 71 is attached on the working face of straight belt 7, so that scraper plate 71 scrapes 7 table of straight belt The bubble in face.

With reference to Fig. 5, bracket 72 is provided on the side wall of pond body 1, the both ends revolving support of scraper plate 71 is scraped on bracket 72 Plate 71 is parallel to the working face of straight belt 7 in 72 upper rotary shaft of bracket, and spring 73, spring 73 1 are connected on scraper plate 71 End is fixed on scraper plate 71, and the other end is fixed on bracket 72, and the center line of spring 73 deviates the rotation of scraper plate 71 and bracket 72 Point, the active force of spring 73 are pressed in scraper plate 71 on the working face of straight belt 7.Underface positioned at scraper plate 71 is provided with Slag slot 74,74 upper opening of slag slot, for accepting the bubble flowed down from scraper plate 71.

With reference to Fig. 2, sensor 8 is provided on the inner wall except slag bath 14, sensor 8 is located at liquid level hereinafter, for detecting The impurity concentration contained in liquid.Sensor 8 is used to control the revolving speed of motor 44 and water pump 5, when impurity concentration is higher, water pump 5 revolving speed reduces, and the interim water-holding quantity of the water of conditioning tank 11 increases, and the revolving speed of motor 44 increases, mixing and refinement energy to bubble Power increases.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of flotation tank, including pond body (1), pond body (1) one end is connected with water inlet pipe (21), and the other end is connected with outlet pipe (22), it is provided with reservoir (12), molten gas pond (13) in the pond body (1) and except slag bath (14), molten gas pond (13) bottom is opened up Having the first communication port (121), the first communication port (121) is connected to reservoir (12), except slag bath (14) are connected to outlet pipe (22), The top of molten gas pond (13) offers the second communication port (1331) led to except slag bath (14), it is characterised in that: the molten gas pond It (13) include molten air cavity (131), molten air cavity (131) is located at the lower part of molten gas pond (13), is provided in molten air cavity (131) and stirs gas dress (4) and bubble generator (3) are set, bubble generator (3) is arranged in the bottom of molten air cavity (131), stirs device of air (4) and be located at bubble The surface of generator (3)；Stirring device of air (4) includes stirring gas disk (41) and slice (42), stirs gas disk (41) and is horizontally disposed with, slice (42) there are multiple lower surfaces for being vertically installed at and stirring gas disk (41), stir connection shaft (43) on gas disk (41), shaft (43) is perpendicular Directly, shaft (43) upper end is connected with motor (44), and motor (44) is fixed on pond body (1)；It is covered with and leads on the molten air cavity (131) Stream cover (134), pod (134) are necking shape, and the necking end of pod (134) is upper.

2. a kind of flotation tank according to claim 1, it is characterised in that: the surface of pod (134) necking end It is provided with impeller (45), impeller (45) is fixed on shaft (43).

3. a kind of flotation tank according to claim 2, it is characterised in that: the molten gas pond (13) further includes mixed flow chamber (132) be connected to chamber (133), mixed flow chamber (132) is located at the surface of molten air cavity (131), and connection chamber (133) is located at mixed flow chamber (132) surface and mixed flow chamber (132) is communicated with connection chamber (133), and the second communication port (1331) is located at connection chamber (133) Interior, impeller (45) is located in mixed flow chamber (132).

4. a kind of flotation tank according to claim 3, it is characterised in that: the molten air cavity (131) in the molten gas pond (13) Have multiple, mixed flow chamber (132) has multiple and corresponding with molten air cavity (131).

5. a kind of flotation tank according to claim 1, it is characterised in that: conditioning tank (11) are provided in the pond body (1), Conditioning tank (11) water inlet pipe (21) is communicated in conditioning tank (11), and is provided with water between conditioning tank (11) and reservoir (12) It pumps (5), water pump (5) suction side is connected in conditioning tank (11), and the water outlet of water pump (5) reaches in reservoir (12).

6. a kind of flotation tank according to claim 5, it is characterised in that: described to be provided with sensor except slag bath (14) are interior (8), it is electrically connected between sensor (8) and water pump (5).

7. a kind of flotation tank according to claim 6, it is characterised in that: electric between the sensor (8) and motor (44) Connection.

8. a kind of flotation tank according to claim 1, it is characterised in that: described to be provided with deslagging dress except slag bath (14) are interior It sets.