CN211004742U

CN211004742U - Aeration device and biodegradation equipment

Info

Publication number: CN211004742U
Application number: CN201921422065.XU
Authority: CN
Inventors: 陈利科; 李兰辉; 胡澎; 黄琳; 孙莹
Original assignee: MYS Group Co ltd
Current assignee: MYS Group Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-14
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to a waste liquid treatment technical field discloses an aeration equipment and biodegradable equipment. The aeration device is used for carrying out aeration treatment on liquid in a reaction tank and comprises a stirring assembly and a fan, wherein a driving hole is formed in the stirring assembly, an air passage is formed in the stirring assembly, the air passage is respectively communicated with the driving hole and the output end of the fan, the fan blows air into the air passage, and the air is ejected out of the driving hole to drive the stirring assembly to rotate relative to the reaction tank and is used for stirring the liquid in the reaction tank. The aeration device has the advantages of low power consumption and low aeration cost. The biodegradation equipment comprises an aeration device and a reaction tank, wherein the stirring component is arranged inside the reaction tank and is used for stirring the liquid inside the reaction tank. The biodegradation device has the advantages that the aeration effect of the reaction tank is good and the aeration cost is low through the aeration device.

Description

Aeration device and biodegradation equipment

Technical Field

The utility model relates to a waste liquid treatment technical field especially relates to an aeration equipment and biodegradable equipment.

Background

The printing and platemaking residual liquid generated in the printing process is an industrial waste liquid which is difficult to treat, and the biodegradation is an important means for treating the water-based ink waste liquid. In the case of biodegradation, aeration (which means forced transfer of oxygen from the air into the liquid to obtain sufficient dissolved oxygen) is usually required to ensure the oxygen required for metabolism of the microorganisms in the treatment tank, thereby promoting decomposition of the organic components in the waste liquid by the microorganisms.

In the prior art, aeration modes comprise blast aeration and mechanical aeration. Mechanical aeration turns over the surface of water when utilizing impeller or the turbine aeration machine who sets up in the aeration tank to rotate, make pond water constantly the circulation flow mix, and make the oxygen in the air dissolve in the aquatic, but when the reaction tank is darker, mechanical aeration can't make the liquid of bottom of the pool obtain sufficient dissolved oxygen, when the reaction tank surface is great, impeller or turbine need corresponding grow, then can lead to power consumption greatly increased, and the process reaction tank surface of turning over the surface of water can produce a large amount of foams, hinder oxygen to dissolve with the aquatic. The blast aeration is that connecting the pipeline through the aeration fan, in forcing the air to add to liquid through diffusion aeration equipment, the mode air elasticity of blast aeration is big, and aeration effect is good, can solve the problem that mechanical aeration receives the degree of depth and the area restriction of reaction tank, and can not produce and influence oxygen and dissolve the foam, but the sediment of the suspended solid in the waste liquid blocks up the gas outlet of aeration head very easily.

Aiming at the problems, in the prior art, an aeration hole is arranged on a rotating mechanism (such as an impeller or a rotating shaft thereof) of mechanical aeration, and the aeration hole is communicated with a fan, so that the mechanical blowing comprehensive aeration is realized. The mechanical blowing comprehensive aeration mode can be suitable for deeper and larger reaction tanks, aeration holes in the tanks are in a continuous motion state, the blockage of the outlet of an aeration head can be prevented, and the application range is wide and the effect is good. However, in this aeration method, the driving member is required to drive the stirring assembly disposed inside the reaction tank to stir, and the fan is also required to blow air into the reaction tank, so that the problems of large power consumption and high aeration cost are caused by simultaneous air blowing and stirring driving.

Therefore, it is necessary to invent a device to solve the problems of large power consumption and high cost of the aeration device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aeration device, this aeration device power consumption is few and the aeration is with low costs.

Another object of the utility model is to provide a biodegradable equipment, this equipment is through above-mentioned aeration equipment for the aeration of reaction tank is effectual and the aeration is with low costs.

To achieve the purpose, the utility model adopts the following technical proposal:

an aeration device is used for carrying out aeration treatment on liquid in a reaction tank and is characterized by comprising a stirring assembly and a fan, wherein a driving hole is formed in the stirring assembly, an air passage is formed in the stirring assembly, the air passage is respectively communicated with the driving hole and the output end of the fan, the fan blows air into the air passage, and the air is jetted out of the driving hole so as to drive the stirring assembly to rotate relative to the reaction tank and be used for stirring the liquid in the reaction tank.

Optionally, the stirring assembly comprises a rotating shaft and a blade, the blade is arranged on the rotating shaft in a penetrating mode, a first cavity is arranged in the rotating shaft, a second cavity is arranged in the blade, and the first cavity is communicated with the second cavity to form the air passage.

Optionally, the side surface of the blade is provided with an air hole surface, the driving hole is arranged on the air hole surface, and the air hole surface is parallel to the axis of the rotating shaft.

Optionally, the air hole surface is provided with an aeration hole, the diameter of the aeration hole is smaller than that of the driving hole, and the aeration hole is used for introducing the air into the reaction tank.

Optionally, the upper surface and the lower surface of the blade are inclined and intersected to form a tip portion, the tip portion is arranged on one side of the blade far away from the air hole surface, and the tip portion is used for shearing air bubbles generated by the aeration holes and the driving holes.

Optionally, a plurality of blades are arranged along the circumferential direction of the rotating shaft, and the rotating directions of the plurality of blades are the same.

Optionally, a plurality of layers of the blades are arranged at intervals along the axial direction of the rotating shaft.

Optionally, the aeration device further comprises a stirring driving source, and the stirring driving source can drive the stirring assembly to rotate relative to the reaction tank.

A biodegradation device comprises the aeration device and a reaction tank, wherein the stirring component is arranged in the reaction tank and is used for stirring liquid in the reaction tank.

Optionally, the reaction tank comprises a reaction tank body and a sealing cover, the sealing cover is covered on the reaction tank body, a vent is arranged on the sealing cover, and the vent can be selectively opened.

The advantages and the beneficial effects are that:

the utility model discloses aeration equipment is provided with drive hole and air flue including stirring subassembly and fan on the stirring subassembly, and the fan lets in the air in can the air flue to the stirring subassembly, and the air is erupted from the drive hole and is rotated with the drive stirring subassembly. The stirring component is used for stirring the reaction tank along with the introduction of air into the reaction tank by the fan, so that oxygen is easily dissolved, the aeration effect is good, the deposition of suspended matters in the reaction tank can be well inhibited from blocking the driving hole, and the aeration device can be placed in the reaction tank for aeration, so that the device is suitable for a deeper reaction tank; and during the air jet goes into the waste liquid, the waste liquid produced the reaction force to stirring subassembly, consequently can drive stirring subassembly and rotate, stirring subassembly's rotation does not need extra driving source, and aeration equipment is with low costs, and aeration effect is good.

Drawings

FIG. 1 is a schematic structural view of a biodegradation apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of a stirring assembly according to an embodiment of the present invention;

FIG. 3 is an A-direction view of the blade;

fig. 4 is a sectional view taken at B-B in fig. 2.

In the figure:

1-a stirring component; 2-a fan; 3-a reaction tank;

11-a rotating shaft; 12-a blade; 31-a reaction tank body; 32-a sealing cover;

111-a first cavity; 112-looping; 121-pore surface; 122-a tip portion; 123-a second cavity; 124-an inlet pipe; 311-a liquid inlet; 312-a liquid outlet; 321-a vent;

1211-drive well; 1212-aeration holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model discloses embodiment provides a biodegradable equipment, biodegradable equipment can be used for handling industrial waste liquid such as printing waste water and domestic waste liquid etc.. Biodegradation is to utilize the microorganism to decompose the organic matter in the waste liquid, as shown in figure 1, this biodegradable equipment includes reaction tank 3 and aeration equipment, and reaction tank 3 is used for holding the waste liquid, and reaction tank 3 is for providing the place of microbial degradation waste liquid, and aeration equipment is arranged in letting in air or oxygen to the waste liquid in reaction tank 3 to guarantee the required oxygen of microorganism metabolism, thereby promote the degradation of microorganism to the waste liquid.

Since there is a possibility that splash may be generated during aeration by the aeration device, the splash of waste liquid may contaminate the environment of the space other than the reaction tank 3, and in order to avoid the splash of waste liquid, as shown in fig. 1, the reaction tank 3 includes a reaction tank body 31 and a sealing cover 32, and the sealing cover 32 is covered on the reaction tank body 31. The sealing cover 32 can prevent water splash of the waste liquid from splashing out of the reaction tank 3, and can also prevent foreign matters from falling into the reaction tank 3 to influence microbial degradation.

In order to facilitate the discharge of the excess air introduced into the reaction tank 3 during the aeration treatment, the sealing cover 32 is further provided with a vent 321, and the vent 321 can be selectively opened. When the aeration device works, the vent 321 is opened, and redundant air in the reaction tank 3 can be discharged from the vent 321, so that the balance of the internal pressure and the external pressure of the reaction tank 3 is ensured; when the reaction tank 3 is idle, the vent 321 is closed, so that impurities cannot fall into the reaction tank 3.

Preferably, in order to facilitate the pouring and taking out of the waste liquid, the reaction tank body 31 is further provided with a liquid inlet 311 and a liquid outlet 312, an operator can pour the waste liquid into the reaction tank 3 from the liquid inlet 311 and take out the waste liquid from the reaction tank 3 from the liquid outlet 312, the sealing cover 32 does not need to be opened in the whole process, and the waste liquid taking and placing operation is convenient.

Aeration equipment's aeration effect is the important factor that influences the degradation efficiency of microorganism, based on aeration equipment's among the prior art defect, the utility model provides an aeration equipment, this aeration equipment include stirring subassembly 1 and fan 2, are provided with drive hole 1211 on the stirring subassembly 1, are provided with the air flue in the stirring subassembly 1, and the air flue is linked together with drive hole 1211 and fan 2's output respectively, and fan 2 is blown into the air in to the air flue, and the air is erupted from drive hole 1211 to drive stirring subassembly 1 rotates for reaction tank 3, is arranged in stirring the liquid to reaction tank 3.

Along with the air introduced into the reaction tank 3 by the fan 2, the stirring component 1 is used for stirring the reaction tank 3, so that oxygen is easy to dissolve, the aeration effect is good, and the continuous movement of the stirring component 1 can well inhibit suspended matters in the reaction tank 3 from depositing and blocking the driving hole 1211; the aeration device can be placed in the reaction tank for aeration, so that the device can be suitable for a deeper reaction tank 3; and in the air jet goes into the waste liquid, the waste liquid produces reaction force to stirring subassembly 1, consequently can drive stirring subassembly 1 and rotate, stirring subassembly 1's rotation does not need extra driving source, and the aeration equipment is with low costs, and aeration effect is good.

Specifically, in the present embodiment, the outlet of the blower 2 is communicated with the air passage in the stirring assembly 1 through an air pipe. Preferably, the air pressure value that fan 2 provided is greater than standard atmospheric pressure, and the air of higher pressure is bigger to the waste liquid impact force, therefore the waste liquid is also bigger to stirring subassembly 1's reaction force, is favorable to stirring subassembly 1's drive. Further, the air injected at a high pressure can also play a role of preventing the driving hole 1211 from being clogged with the suspended matter in the waste liquid to some extent.

Specifically, stirring subassembly 1 includes pivot 11 and blade 12, and on blade 12 wore to locate pivot 11, be provided with first cavity 111 in the pivot 11, be provided with second cavity 123 in the blade 12, first cavity is linked together with the second cavity and is formed the air flue. Air flue intercommunication pivot 11 and blade 12, then the trachea of 2 exports of fan is direct to be linked together with the upper end of pivot 11 and can realize ventilating, and inside the trachea needn't stretch into the waste liquid, both can avoid trachea and 3 internal rotation in reaction tank stirring subassembly 1 to take place the winding, can also avoid the trachea to be corroded by the waste liquid. In this embodiment, the rotating shaft 11 is connected to the outlet of the air tube through a bearing, and the rotating shaft 11 is vertically disposed. Specifically, the side of the rotating shaft 11 is provided with a pocket 112, the end surface of the blade 12 close to the rotating shaft 11 is provided with an inlet pipe 124, the inlet pipe 124 is arranged along the radial direction of the rotating shaft 11, the inlet pipe 124 is arranged at the pocket 112 in a penetrating manner to communicate the first cavity 111 with the second cavity 123, and air in the first cavity 111 can enter the second cavity 123 through the inlet pipe 123. The inlet pipe 124 and the sleeve opening 112 may be fixed by welding or may be screwed. Of course, it is understood that in other embodiments, the rotating shaft 11 may be disposed horizontally or at an angle in the reaction tank as required.

When the reaction tank 3 is deep, in order to make the waste liquid in the reaction tank 3 obtain enough oxygen, as shown in fig. 1, a plurality of layers of blades 12 are arranged at intervals along the axial direction of the rotating shaft 11. The blades 12 are arranged along the axial direction of the rotating shaft 11, and the air flowing in the axial direction of the rotating shaft 11 in the first cavity 111 enters the second cavity 123 of each blade in the radial direction through each inlet pipe 124, so that the air can be sprayed out of the driving hole 1211 arranged at each depth of the waste liquid, and the waste liquid at each depth in the reaction tank 3 can be contacted with enough air, specifically, in the embodiment, the blades 12 are arranged in three layers at intervals along the axial direction of the rotating shaft 11, and in other embodiments, the number of layers of the blades can be determined according to the depth of the reaction tank 3.

In order to allow more air to be introduced into the waste liquid and further improve the aeration effect, as shown in fig. 1, a plurality of blades 12 are provided for each layer of blades 12 in the circumferential direction of the rotating shaft 11. The plurality of driving holes 1211 arranged on the blades 12 along the circumferential direction of the rotating shaft 11 can drive the stirring assembly 1 to rotate together, and the plurality of driving holes 1211 can simultaneously introduce air into the waste liquid, so that the waste liquid can obtain more dissolved oxygen, and the aeration effect is improved. Specifically, in the present embodiment, three blades 12 are provided in each layer in the circumferential direction of the rotating shaft 11.

In order to facilitate the driving hole 1211 to drive the rotating shaft 11 and the vane 12, as shown in fig. 2, the side surface of the vane 12 is provided with an air hole surface 121, and the driving hole 1211 is provided on the air hole surface 121, and the air hole surface 121 is parallel to the axis of the rotating shaft 11. The driving hole 1211 is provided at a side surface of the vane 12, and the high pressure air ejected from the driving hole 1211 enters the waste liquid, which can generate a reaction force to the vane 12, so that the vane 12 drives the rotary shaft 11 to rotate together about the axis of the rotary shaft 11. Specifically, in this embodiment, the air hole surface 121 is parallel to the axial direction of the rotating shaft 12 and parallel to the radial direction of the rotating shaft 121, and the air hole surface 121 is parallel to the radial direction of the rotating shaft 11, so that the reaction force of the waste liquid on the blade 12 is all used for pushing the blade to rotate, and the air ejected from the driving hole 1211 is used for driving the blade 12 to rotate more easily.

Further, the plurality of blades 12 have the same rotational direction. The same rotation direction of the blades 12 can lead the plurality of blades 12 to be in the same driving force, thereby being convenient for driving the whole aeration device. Specifically, in the present embodiment, the blades 12 are perpendicular to the rotating shaft 11, and along the rotating direction (the X direction shown in fig. 2) of the rotating shaft 11, the air hole surface 121 of each blade 12 is located on the same side of the blade 12, and the air hole surface 121 located on the same side of the blade 12 can ensure that a plurality of reaction forces applied to the plurality of blades 12 can push the blades 12 to rotate in the same direction.

In order to facilitate the aeration device to introduce oxygen into the air in the reaction tank 3 to be better dissolved in the waste liquid, as shown in fig. 3, the air hole surface 121 is further provided with aeration holes 1212, the diameter of the aeration holes 1212 is smaller than that of the driving holes 1211, and the aeration holes 1212 are used for introducing air into the reaction tank 3. The air forms many tiny and even bubbles after spouting into the waste liquid from the aeration hole 1212 of aperture, and tiny bubble makes the area of contact of air and waste liquid bigger, more is favorable to oxygen to dissolve in the waste liquid. Specifically, in this embodiment, the aeration holes 1212 and the driving holes 1211 are spaced apart from each other and uniformly distributed on the air hole surface 121, and the uniform distribution of the aeration holes 1212 and the driving holes 1211 is favorable for the blade 12 to receive the reaction force of the waste liquid more uniformly, so that the rotation of the whole stirring assembly 1 is more balanced.

In order to further promote the dissolution of oxygen into the waste liquid, the bubbles generated by the aeration holes 1212 and the driving holes 1211 may be further dispersed, and as shown in fig. 4, the upper surface and the lower surface of the blade 12 are inclined and intersect to form a tip portion 122, and the tip portion 122 is disposed on the side of the blade 12 away from the air hole surface 121. When the blades 12 rotate, the tip 122 of the blade 12 can shear and break up the bubbles generated by the previous blade 12, so that the bubbles are finer and the oxygen is more easily dissolved in the waste liquid. Furthermore, when the blade 12 rotates in the waste liquid, the tip portion 122 can significantly reduce the resistance of the waste liquid to the blade 12, so that the stirring assembly 1 can be more easily driven.

In order to avoid the situation that the aeration effect of the aeration device is deteriorated because the waste liquid is too viscous and the air ejected from the driving holes 1211 cannot drive the stirring assembly 1 to rotate, the aeration device further comprises a stirring driving source, wherein the output end of the stirring driving source is connected with the rotating shaft 11, and the stirring driving source can drive the stirring assembly 1 to rotate relative to the reaction tank 3. The stirring driving source can assist the stirring component 1 to rotate under the special condition that the waste liquid is excessively viscous, so that the good aeration effect of the aeration device is ensured.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An aeration device is used for conducting aeration treatment on liquid in a reaction tank (3), and is characterized by comprising a stirring assembly (1) and a fan (2), wherein a driving hole (1211) is formed in the stirring assembly (1), an air passage is formed in the stirring assembly (1), the air passage is respectively communicated with the driving hole (1211) and the output end of the fan (2), the fan (2) blows air into the air passage, and the air is jetted out of the driving hole (1211) to drive the stirring assembly (1) to rotate relative to the reaction tank (3) and be used for stirring the liquid in the reaction tank (3).

2. The aeration device according to claim 1, wherein the stirring assembly (1) comprises a rotating shaft (11) and a blade (12), the blade (12) is arranged on the rotating shaft (11) in a penetrating manner, a first cavity (111) is arranged in the rotating shaft (11), a second cavity (123) is arranged in the blade (12), and the first cavity (111) is communicated with the second cavity (123) to form the air passage.

3. An aeration apparatus according to claim 2, wherein said blades (12) are provided at their side surfaces with air hole surfaces (121), and said driving holes (1211) are provided on said air hole surfaces (121), said air hole surfaces (121) being arranged in parallel with the axis of said rotary shaft (11).

4. An aeration device according to claim 3, characterized in that the aeration hole (1212) is provided on the aeration hole surface (121), the diameter of the aeration hole (1212) is smaller than the diameter of the driving hole (1211), and the aeration hole (1212) is used for introducing the air into the reaction tank (3).

5. The aeration apparatus according to claim 4, wherein the upper surface and the lower surface of the blade (12) are inclined and intersect to form a tip portion (122), the tip portion (122) is disposed on the side of the blade (12) away from the air hole surface (121), and the tip portion (122) is configured to shear the air bubbles generated from the aeration hole (1212) and the driving hole (1211).

6. An aeration device according to any one of claims 2 to 5, wherein a plurality of blades (12) are provided along the circumferential direction of said rotary shaft (11), and the plurality of blades (12) have the same rotation direction.

7. An aeration device according to any one of claims 2 to 5, wherein a plurality of layers of said blades (12) are provided at intervals in the axial direction of said rotary shaft (11).

8. An aeration device according to claim 1, further comprising an agitation drive source capable of driving the agitation assembly (1) to rotate relative to the reaction tank (3).

9. A biodegradation plant, characterized in that it comprises an aeration device according to any one of claims 1 to 8 and a reaction tank (3), said stirring assembly (1) being arranged inside said reaction tank (3), said stirring assembly (1) being adapted to stir the liquid inside said reaction tank (3).

10. The biodegradation apparatus according to claim 9, wherein said reaction tank (3) comprises a reaction tank body (31) and a sealing cover (32), said sealing cover (32) is covered on said reaction tank (3) body (31), said sealing cover (32) is provided with a vent (321), said vent (321) is selectively openable.