CN211972079U

CN211972079U - Hydrolysis acidification reactor

Info

Publication number: CN211972079U
Application number: CN202020284319.2U
Authority: CN
Inventors: 李明; 维克·恩格拜; 嫣紫
Original assignee: Engelbart Wuhan Ecological Technology Co ltd
Current assignee: Engelbart Wuhan Ecological Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-11-20
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to a sewage treatment technical field, concretely relates to hydrolysis-acidification reactor. The hydrolysis acidification reactor comprises a cylindrical reaction tank, a sewage inlet point and a sewage outlet point are arranged on the reaction tank, the sewage inlet direction is tangent to the side wall of the reaction tank, and sewage is mixed with sludge in the reaction tank and subjected to biochemical treatment. After sewage is carried to the retort in, sewage can carry out circular motion along the inner wall of retort in the horizontal direction, and can move to the retort bottom under the action of gravity in vertical direction, thereby make sewage can be vortex form in the retort and flow, and then can make sewage and mud misce bene in the reactor, stir through adopting water conservancy, also can reduce the influence to mud, reduce the possibility of smashing the mud floc, thereby guarantee the acidizing effect of hydrolysis.

Description

Hydrolysis acidification reactor

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to hydrolysis-acidification reactor.

Background

The hydrolysis acidification treatment method is a method between aerobic treatment and treatment, which utilizes acid-producing bacteria to decompose carbohydrate, fat, protein and the like into ammonia, volatile fatty acid, alcohols and the like, and can reduce the sewage treatment cost and improve the treatment efficiency by combining hydrolysis acidification treatment and other processes.

The hydrolysis purpose in the hydrolysis acidification-aerobic biological treatment process is mainly to convert insoluble organic matters in the wastewater into soluble organic matters and convert the nonbiodegradable organic matters into biodegradable organic matters, so that the biodegradability of the sewage is improved, and a good foundation is laid for subsequent aerobic treatment.

However, the existing hydrolysis acidification reactor is generally simpler in structure and only has a simple tank body, sewage is conveyed into the tank body from the bottom of the tank body and is discharged from the top of the tank body after contacting with sludge, and in such hydrolysis acidification reactor, the sewage and the sludge cannot be uniformly mixed, so that pollutants cannot be fully contacted with microorganisms, and the hydrolysis acidification effect is poor.

At present, in order to solve the problem of uneven mixing of sewage and sludge, a stirrer is arranged in a hydrolysis acidification reactor, the mixing degree of the sewage and the sludge is enhanced by stirring of the stirrer, but when a paddle of the stirrer rotates at a high speed, sludge flocs are easily broken, and the hydrolysis acidification effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art hydrolysis acidification reactor, smashes mud easily when the high-speed rotation of mixer paddle to lead to the defect of hydrolysis acidification effect variation, thereby provide a hydrolysis acidification reactor.

In order to solve the technical problem, the utility model provides a technical scheme does:

a hydrolysis acidification reactor, comprising:

the reaction tank is cylindrical, a sewage inlet point and a sewage outlet point are formed in the reaction tank, the sewage inlet direction is tangent to the side wall of the reaction tank, and sewage is mixed with sludge in the reaction tank and subjected to biochemical treatment.

Furthermore, the height of the water outlet point on the reaction tank is higher than that of the sewage inlet point on the reaction tank.

Furthermore, the sewage water inlet point is arranged in the middle of the reaction tank, and the water outlet point is arranged at the height of one half to four fifths of the reaction tank.

Further, a backflow water inlet point is further formed in the reaction tank, and the hydrolysis acidification reactor further comprises:

the sludge hopper is arranged at the bottom of the reaction tank, is communicated with the reaction tank and is used for collecting and storing sludge falling from the reaction tank;

and the reflux pump is communicated with the reaction tank and the sludge hopper at the same time and is used for conveying the sludge in the sludge hopper back to the reaction tank through a reflux water inlet point.

Furthermore, the backflow water inlet point is flush with the sewage water inlet point in height, and the backflow water inlet direction is opposite to the sewage water inlet direction.

Furthermore, the flow of the backflow water inlet is larger than that of the sewage water inlet.

Furthermore, the flow rate of the backflow water is more than 2 times of the flow rate of the sewage water.

Further, the reflux pump is a sludge screw pump or a pipeline pump.

Further, the hydrolysis acidification reactor further comprises a grease collecting tank, and the grease collecting tank is arranged in the reaction tank and used for collecting grease on the sewage surface.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a hydrolytic acidification reactor, through setting up the retort into cylindrically, and set up sewage water inlet point and play water point on the retort, wherein the direction that sewage intake is tangent with the lateral wall of retort, after sewage is carried to the retort, sewage can carry out circular motion along the inner wall of retort on the horizontal direction, and can move to the retort bottom under the action of gravity in vertical direction, thereby make sewage can be vortex form in the retort and flow, and then can make sewage and mud misce bene in the reactor, compare the mode that adopts the mixer to carry out mechanical stirring among the prior art, the utility model discloses an adopt water conservancy to stir, can reduce the influence to mud, reduce the possibility of smashing the mud floc, thereby guarantee hydrolytic acidification's acidizing effect.

2. The utility model provides a hydrolytic acidification reactor highly sets up to be higher than the position height of sewage water inlet point on the reaction tube through the position with water outlet point on the retort to can be so that in the retort, the sewage water inlet point below the position, the muddy water mixes comparatively evenly, and in the position of sewage water inlet point top, rivers can be static relatively, thereby be favorable to subsiding of mud, be convenient for with the mud separation, make the clarity of going out water higher.

3. The utility model provides a hydrolysis-acidification reactor is through seting up the backward flow point of intaking on the retort to add and establish sludge bucket and backwash pump, the backwash pump can be with the mud of collecting in the sludge bucket through the backward flow point of intaking carry back to the retort in, on the one hand, the cyclic utilization of mud has been realized, on the other hand, can further strike the water in the disturbance retort through circulating water flow, thereby the mixed dynamics of reinforcing sewage and mud, make hydrolysis-acidification reaction accomplish more fully.

4. The utility model provides a hydrolytic acidification reactor is through the position relation between the point of intaking to backward flow water inlet point and sewage to and the flow ratio of backward flow water inlet and sewage water inlet sets up, thereby can adjust the disturbance degree of circulation rivers to the internal water of retort, thereby can adjust the mixed dynamics of sewage and mud.

5. The utility model provides a hydrolysis acidification reactor, when sewage and mud are vortex form in the retort and flow, the grease in the sewage also can be constantly the come-up under density difference's drive, can be collected by the grease collecting vat after the grease rises to the surface of water height to the water-oil separation of the sewage of being convenient for, thereby be favorable to improving the treatment effeciency of hydrolysis acidification reactor to meal kitchen class sewage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a side view of a hydrolysis acidification reactor in example 1 of the present invention;

FIG. 2 is a top view of the hydrolytic acidification reactor shown in FIG. 1;

description of reference numerals:

1. a reaction tank; 2. a sewage inlet point; 3. a sludge hopper; 4. a reflux pump; 5. a water inlet point is refluxed; 6. A grease collecting tank; 7. oil outlet points; 8. a water outlet point; 9. a separator.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

Referring to fig. 1-2, the present embodiment relates to a hydrolysis-acidification reactor, which includes a reaction tank 1, wherein the reaction tank 1 is cylindrical, a sewage inlet point 2 and a sewage outlet point 8 are disposed on the reaction tank 1, wherein the sewage inlet direction is tangential to the sidewall of the reaction tank 1, and sewage is mixed with sludge in the reaction tank 1 and is subjected to biochemical treatment.

Because retort 1 is cylindrically, and sewage direction of intaking is tangent with retort 1, consequently, after sewage is carried to retort 1 in, sewage can carry out circular motion along retort 1's inner wall on the horizontal direction, and can move to retort 1 bottom under the action of gravity on vertical direction to make sewage can be the vortex form in retort 1 and flow, and then can make sewage and the mud misce bene in the reactor.

In order to ensure the clarity of the discharged water, in this embodiment, the height of the water outlet point 8 on the reaction tank 1 is set to be higher than the height of the sewage inlet point 2 on the reaction tank 1, that is, the plane of the water outlet point 8 is higher than the plane of the sewage inlet point 2. Set up like this, can be so that in retort 1, the part below the sewage intake point 2 position, muddy water mixing is comparatively even, and at the position of sewage intake point 2 tops, rivers can be static relatively to be favorable to subsiding of mud, be convenient for with the mud separation, make the clarity of going out water higher.

Optionally, in this embodiment, the sewage inlet point 2 is disposed in the middle of the reaction tank 1, and the water outlet point 8 is disposed at three-quarters of the height of the reaction tank 1. In the arrangement of the embodiment, the space above the water outlet point 8 is equivalent to forming a regulating reservoir, for sewage such as kitchen wastewater, the collection of the sewage is periodic, and the sewage is generally collected into a sewage treatment station at intervals.

In order to further enhance the mixing strength of the sewage and the sludge in the reaction tank 1, in this embodiment, a backflow water inlet point 5 is further provided on the reaction tank 1, and the hydrolysis acidification reactor further includes a sludge hopper 3 and a backflow pump 4.

Wherein the sludge hopper 3 is arranged at the bottom of the reaction tank 1, the sludge hopper 3 is communicated with the reaction tank 1, and the sludge hopper 3 is used for collecting and storing sludge falling from the reaction tank 1; the reflux pump 4 is simultaneously communicated with the reaction tank 1 and the sludge bucket 3, and the reflux pump 4 is used for conveying the sludge in the sludge bucket 3 back to the reaction tank 1 through a reflux water inlet point 5. Set up like this, when in backwash pump 4 carried mud back to retort 1, the circulating water flow of production can further strike the water in the disturbance retort 1 to the mixed dynamics of reinforcing sewage and mud makes the hydrolytic acidification reaction accomplish more fully. As optional, in this embodiment, sludge bucket 3 sets up to the round platform shape, and the great one side of circle area is close to retort 1, sets up like this, can be convenient for mud along the lateral wall landing of sludge bucket 3 to the bottom of sludge bucket 3, and the concentration of the mud of being convenient for is concentrated to the backward flow of the backwash pump 4 of being convenient for.

As optional, can adjust the disturbance degree of circulating current to the internal water of retort 1 through setting up the positional relation between backward flow water inlet point 5 and the sewage water inlet point 2, consequently, in this embodiment, backward flow water inlet point 5 and sewage water inlet point 2 highly set up to the parallel and level, and the backward flow water inlet direction is opposite with sewage water inlet direction. In addition, when the flow of the backflow water is larger than that of the sewage water, the disturbance degree of the circulating water flow to the water body in the reaction tank 1 can be increased, so that the mixing degree of the sewage and the sludge is adjusted, therefore, in the embodiment, the flow of the backflow water is set to be 5 times of the flow of the sewage water, in other embodiments, the flow of the backflow water is set to be 2-5 times of the flow of the sewage water, and the sewage and the sludge can be guaranteed to have a better mixing effect.

Optionally, in the present embodiment, the reflux pump 4 is configured as a pipeline pump, and in other embodiments, the reflux pump 4 may also be selected as a sludge screw pump.

As optional, still contain the grease like kitchen class sewage, therefore, in this embodiment, still be provided with grease collecting vat 6 in the hydrolytic acidification reactor, grease collecting vat 6 sets up in retort 1, when sewage and mud are vortex-shaped flow in retort 1, the grease in the sewage also can constantly float under the drive of density difference, can be collected by grease collecting vat 6 after the grease rises to the surface of water height, thereby the water-oil separation of the sewage of being convenient for, thereby be favorable to improving the treatment effeciency of hydrolytic acidification reactor to kitchen class sewage. In order to facilitate the output of the grease, an oil outlet point 7 is further arranged on the side wall of the reaction tank 1 corresponding to the grease collecting groove 6, and the grease collected by the grease collecting groove 6 can be conveyed out of the reaction tank 1 through the oil outlet point 7.

Optionally, in this embodiment, in order to reduce grease carried by the treated sewage when the treated sewage is discharged as much as possible, a partition plate 9 is further disposed in the hydrolysis acidification reactor, the partition plate 9 is vertically installed in the reaction tank 1 to partition the reaction tank 1 in the vertical direction, and the height of the partition plate 9 is such that a water outlet point 8 and an oil outlet point 7 extending from the top of the reaction tank 1 to the backflow water inlet point 5 are respectively located on both sides of the partition plate 9. After sewage got into the reactor, sewage can drive the grease and be swirl form flow together, at this moment, because sewage and grease have different density, consequently sewage and grease can move to the play water direction with different speeds, wherein, grease on one side can move up under the buoyancy effect that the density difference caused, on one side can move to a water direction with less speed, until being blockked by baffle 9 to rise until being collected by grease collecting vat 6 along baffle 9. Preferably, the water outlet direction is opposite to the oil outlet direction.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A hydrolysis acidification reactor, comprising:

the reaction tank (1) is cylindrical, a sewage inlet point (2) and a sewage outlet point (8) are arranged on the reaction tank, the sewage inlet direction is tangent to the side wall of the reaction tank (1), and sewage is mixed with sludge in the reaction tank (1) and is subjected to biochemical treatment.

2. Hydrolysis acidification reactor according to claim 1, characterized in that the water outlet point (8) is located at a higher level on the reaction tank (1) than the water inlet point (2) of the contaminated water.

3. Hydrolysis acidification reactor according to claim 2, wherein said sewage water inlet point (2) is arranged in the middle of said reaction tank (1) and said water outlet point (8) is arranged at a height of one half to four fifths of said reaction tank (1).

4. The hydrolysis acidification reactor according to any one of claims 1 to 3, wherein the reaction tank (1) is further provided with a backflow water inlet point (5), and the hydrolysis acidification reactor further comprises:

the sludge hopper (3) is arranged at the bottom of the reaction tank (1), is communicated with the reaction tank (1) and is used for collecting and storing sludge falling from the reaction tank (1);

and the reflux pump (4) is communicated with the reaction tank (1) and the sludge hopper (3) at the same time and is used for conveying the sludge in the sludge hopper (3) back to the reaction tank (1) through a reflux water inlet point (5).

5. The hydrolysis acidification reactor according to claim 4, wherein the water inlet point of reflux (5) is flush with the height of the water inlet point of wastewater (2) and the water inlet direction of reflux is opposite to the water inlet direction of wastewater.

6. The hydrolytic acidification reactor of claim 5, wherein the flow rate of the influent return water is greater than the flow rate of the influent wastewater.

7. The hydrolytic acidification reactor of claim 6, wherein the flow rate of the influent return water is more than 2 times the flow rate of the influent wastewater.

8. Hydrolysis acidification reactor according to claim 4, wherein said reflux pump (4) is a sludge screw pump or a pipe pump.

9. The hydrolysis acidification reactor according to claim 1, further comprising a grease collection tank (6), wherein the grease collection tank (6) is disposed within the reaction tank (1) for collecting grease on the surface of the sewage water.