Water distribution device with self-cleaning function and hydrolytic acidification system

Abstract

The utility model provides a water distribution device with a self-cleaning function and a hydrolytic acidification system, the water distribution device comprises: a pulse water distributor, the water inlet of which is used for communicating with a sewage supply device; a water inlet of the water distribution main pipe is communicated with a water outlet of the pulse water distributor; a water inlet of the water distribution branch pipe is communicated with a water outlet of the water distribution main pipe, and a water outlet of the water distribution branch pipe is used for being communicated with a sewage treatment cavity of the hydrolysis acidification pool; a water inlet of the pressure lifting device is communicated with the sewage treatment cavity of the hydrolysis acidification pool, a water outlet of the pressure lifting device is communicated with the pulse water distributor, and the pressure lifting device is used for conveying pressurized sewage to the pulse water distributor. The purpose of forward self-cleaning of the pulse water distributor, the water distribution main pipe and the water distribution branch pipes can be achieved, clogging of the pulse water distributor, the water distribution main pipe and the water distribution branch pipes can be effectively prevented, water distribution is more uniform, and therefore the sewage treatment effect of the hydrolysis acidification pool is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewage treatment technical field, especially to a water distribution device with self-cleaning function and a hydrolytic acidification system. BACKGROUND

[0002] In the water distribution system of the hydrolytic acidification tank, the water distribution principle mainly relies on the cooperative work of the pulse water distributor, the water distribution main pipe and the water distribution branch pipe to ensure that the sewage is uniformly distributed and fully contacts the microorganisms. The pulse water distributor pushes the sewage into the water distribution main pipe by intermittently discharging the sewage to generate a pulse effect. The water distribution main pipe distributes the sewage from the pulse water distributor to each water distribution branch pipe. The water distribution branch pipe uniformly distributes the sewage to each area of the hydrolytic acidification tank to ensure that the sewage uniformly covers the entire tank bottom and promotes full contact with the microorganisms.

[0003] However, in actual application, the above-mentioned water distribution system still has the problem of blockage of the water distribution main pipe and the water distribution branch pipe, which leads to uneven water distribution and affects the sewage treatment effect of the hydrolytic acidification tank. CONTENT OF THE INVENTION

[0004] The embodiment of the present application provides a water distribution device with self-cleaning function and a hydrolytic acidification system to solve the problems in the related art. The technical scheme is as follows:

[0005] In a first aspect, the embodiment of the present application provides a water distribution device with self-cleaning function, comprising:

[0006] a pulse water distributor, a water inlet of the pulse water distributor being used for being communicated with a sewage supply device;

[0007] a water distribution main pipe, a water inlet of the water distribution main pipe being communicated with a water outlet of the pulse water distributor;

[0008] a water distribution branch pipe, a water inlet of the water distribution branch pipe being communicated with a water outlet of the water distribution main pipe, and a water outlet of the water distribution branch pipe being used for being communicated with a sewage treatment cavity of a hydrolytic acidification tank; and

[0009] a pressure lifting device, a water inlet of the pressure lifting device being communicated with the sewage treatment cavity of the hydrolytic acidification tank, and a water outlet of the pressure lifting device being communicated with the pulse water distributor, the pressure lifting device being used for conveying pressurized sewage to the pulse water distributor.

[0010] In an embodiment, the water distribution device with self-cleaning function further comprises:

[0011] a first sludge discharge pipe, an inlet end of the first sludge discharge pipe being communicated with the water distribution main pipe, and an outlet end of the first sludge discharge pipe being used for being communicated with an external sludge treatment device; and

[0012] A valve is arranged on the first sludge discharge pipe, and the valve is used to control the opening and closing of the outlet end of the first sludge discharge pipe.

[0013] In an embodiment, the valve is a manual valve.

[0014] In an embodiment, the water distribution device with self-cleaning function further comprises:

[0015] A water inlet pipe is arranged, and a water inlet of the water inlet pipe is communicated with the sewage treatment cavity of the hydrolysis acidification tank, and a water outlet of the water inlet pipe is communicated with a water inlet of the pressure boosting device.

[0016] In an embodiment, the water distribution device with self-cleaning function further comprises:

[0017] A water outlet pipe is arranged, and a water inlet of the water outlet pipe is communicated with a water outlet of the pressure boosting device, and a water outlet of the water outlet pipe is communicated with the pulse water distributor.

[0018] In an embodiment, the pressure boosting device comprises a circulating pump.

[0019] In a second aspect, an embodiment of the present application provides a hydrolysis acidification system, comprising:

[0020] A hydrolysis acidification tank is arranged, and the hydrolysis acidification tank has a sewage treatment cavity; and

[0021] The water distribution device with self-cleaning function described above, and a water outlet of the water distribution branch pipe is communicated with the sewage treatment cavity.

[0022] In an embodiment, the hydrolysis acidification system further comprises:

[0023] A second sludge discharge pipe is arranged at the bottom of the sewage treatment cavity, and an inlet end of the second sludge discharge pipe is communicated with the sewage treatment cavity;

[0024] A sludge discharge pump is arranged, and an inlet end of the sludge discharge pump is communicated with the second sludge discharge pipe, and an outlet end of the sludge discharge pump is used to be communicated with an external sludge treatment device, and the sludge discharge pump is used to transport sludge in the sewage treatment cavity to the sludge treatment device through the second sludge discharge pipe.

[0025] In an embodiment, a pipe wall of the second sludge discharge pipe has a plurality of sludge discharge holes, and the plurality of sludge discharge holes are arranged at intervals, and each of the sludge discharge holes is communicated with the sewage treatment cavity and a pipe cavity of the second sludge discharge pipe.

[0026] The advantages or beneficial effects of the technical solutions described above at least include:

[0027] The water distribution device of the utility model, under the condition of needing to clean the water distribution device, start the pressure lifting device, pressurize and lift the sewage in the sewage treatment cavity to the pulse water distributor, so as to increase the water level in the pulse water distributor, thereby realizing increasing the instantaneous pressure in the water distribution device, the water pressure in the water distribution main pipe and the water distribution branch pipe is also raised, the flow rate in the water distribution main pipe and the water distribution branch pipe is accelerated, thereby achieving the purpose of forward self-cleaning pulse water distributor, water distribution main pipe and water distribution branch pipe, which can effectively prevent the pulse water distributor, water distribution main pipe and water distribution branch pipe from being blocked, make the water distribution more uniform, thereby improving the sewage treatment effect of the hydrolysis acidification tank.

[0028] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a review of the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0029] In the drawings, like reference numerals will be used to designate like or similar elements among the several views. These drawings are not necessarily to scale. It should be understood that these drawings are merely illustrative of certain embodiments of the application and should not be considered limiting of its scope.

[0030] Figure 1 It is a top plan view of the water distribution device of the utility model;

[0031] Figure 2 It is a bottom plan view of the water distribution device of the utility model;

[0032] Figure 3 It is a plan structure schematic view of the sludge discharge device in the hydrolysis acidification system of the utility model.

[0033] REFERENCE NUMERALS

[0034] 1, pulse water distributor; 2, water distribution main pipe; 3, water distribution branch pipe; 4, pressure lifting device; 5, first sludge discharge pipe; 6, valve; 7, water outlet pipe; 8, hydrolysis acidification tank; 9, second sludge discharge pipe; 91, sludge discharge hole; 10, sludge discharge pump. DETAILED DESCRIPTION

[0035] In the following, only certain example embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0036] Referring to Figures 1-2 , a water distribution device with self-cleaning function is shown, comprising:

[0037] The pulse water distributor 1 has a water inlet for communicating with a sewage supply device;

[0038] The water distribution main pipe 2 has a water inlet communicating with the water outlet of the pulse water distributor 1;

[0039] The water distribution branch pipe 3 has a water inlet communicating with the water outlet of the water distribution main pipe 2, and a water outlet for communicating with the sewage treatment cavity of the hydrolytic acidification tank 8; and

[0040] The pressure lifting device 4 has a water inlet communicating with the sewage treatment cavity of the hydrolytic acidification tank 8, and a water outlet communicating with the pulse water distributor 1, and is used for delivering pressurized sewage to the pulse water distributor 1.

[0041] The water distribution device of the utility model, in the case of needing to clean the water distribution device, starts the pressure lifting device 4, pressurizes and lifts the sewage in the sewage treatment cavity to the pulse water distributor 1, so as to increase the water level in the pulse water distributor 1, thereby realizing increasing the instantaneous pressure in the water distribution device, the water pressure in the water distribution main pipe 2 and the water distribution branch pipe 3 is also raised, the flow rate in the water distribution main pipe 2 and the water distribution branch pipe 3 is accelerated, thereby achieving the purpose of positively self-cleaning the pulse water distributor 1, the water distribution main pipe 2 and the water distribution branch pipe 3, can effectively prevent the pulse water distributor 1, the water distribution main pipe 2 and the water distribution branch pipe 3 from being blocked, make the water distribution more uniform, thereby improving the sewage treatment effect of the hydrolytic acidification tank 8.

[0042] The working principle of the water distribution device of the utility model is as follows: the pulse water distributor 1 discharges sewage intermittently, generates a pulse effect, pushes the sewage into the water distribution main pipe 2, the water distribution main pipe 2 distributes the sewage from the pulse water distributor 1 to each water distribution branch pipe 3, the water distribution branch pipe 3 uniformly distributes the sewage to each area in the sewage treatment cavity of the hydrolytic acidification tank 8, ensures that the sewage uniformly covers the entire tank bottom, promotes the full contact of the sewage and microorganisms, and improves the sewage treatment effect.

[0043] Referring to Figure 2 In an embodiment, the water distribution device with a self-cleaning function further comprises:

[0044] The first sludge discharge pipe 5 has an inlet end communicating with the water distribution main pipe 2, and an outlet end for communicating with an external sludge treatment device; and

[0045] Valve 6 is arranged on the first sludge discharge pipe 5, and is used to control the opening and closing of the outlet end of the first sludge discharge pipe 5. When the water distribution device needs to be cleaned, the valve 6 is opened to realize the static pressure sludge discharge by the following operation: the valve 6 is opened while the water inflow at the front end of the water distribution main pipe 2 is stopped, the water pressure in the water distribution main pipe 2 decreases with the water level, when the water pressure in the water distribution main pipe 2 is less than the water pressure in the water distribution branch pipe 3, the water in the water distribution branch pipe 3 flows reversely into the water distribution main pipe 2, and then is discharged along the first sludge discharge pipe 5 until the water pressure in the water distribution main pipe 2 and the water pressure in the water distribution branch pipe 3 reach a balance, thereby achieving the purpose of reverse self-cleaning of the water distribution device, and achieving the effect of cleaning the water distribution main pipe 2 and the water distribution branch pipe 3, so as to effectively prevent the water distribution main pipe 2 and the water distribution branch pipe 3 from being blocked, and in addition, the water distribution device can also be combined with the forward cleaning, that is, cooperated with the pressure boosting device 4 to improve the cleaning effect of the water distribution main pipe 2 and the water distribution branch pipe 3, so as to make the water distribution more uniform, and further improve the sewage treatment effect.

[0046] In an embodiment, the valve 6 is a manual valve 6, which has simple structure, low price, and can reduce the cost of the water distribution device; secondly, the manual valve 6 does not need complex electronic or pneumatic system, and is easier to maintain and repair; in addition, the manual valve 6 does not depend on external power supply or control system, has low failure rate, and can reduce the failure rate of the water distribution device.

[0047] Of course, in other embodiments, the valve 6 can also be an automatic valve 6 such as a pneumatic valve or a hydraulic valve.

[0048] In an embodiment, the water distribution device with self-cleaning function further comprises:

[0049] The water inlet pipe (not shown in the figure) has a water inlet connected to the sewage treatment cavity of the hydrolysis acidification tank 8, and a water outlet connected to the water inlet of the pressure boosting device 4, so as to realize the connection between the pressure boosting device 4 and the sewage treatment cavity.

[0050] In the embodiment, the water inlet of the water inlet pipe extends to the middle part of the sewage treatment cavity, so as to ensure that the sewage in the sewage treatment cavity covers the water inlet of the water inlet pipe, thereby ensuring that the sewage in the sewage treatment cavity can be pressurized and delivered to the pulse water distributor 1 when the pressure boosting device 4 operates.

[0051] Referring to Figure 1 In an embodiment, the water distribution device with self-cleaning function further comprises:

[0052] The water outlet pipe 7 has a water inlet connected to the water outlet of the pressure boosting device 4, and a water outlet connected to the pulse water distributor 1, so as to realize the connection between the pressure boosting device 4 and the pulse water distributor 1, and realize the smooth delivery of the pressurized sewage to the pulse water distributor 1 through the water outlet pipe 7.

[0053] In an embodiment, the pressure boosting device 4 comprises a circulating pump, which generates centrifugal force by rotating impeller to convert kinetic energy into pressure energy, thereby achieving significant pressurization of sewage and ensuring stable delivery of water flow in the pipeline; secondly, the circulating pump can reduce energy loss and operating cost of the water distribution device by optimizing water flow; in addition, the water flow pressurized by the circulating pump is more stable, reducing fluctuations and improving the operating reliability of the water distribution device; in addition, the circulating pump can provide stable water pressure, reduce equipment wear and tear, and prolong the service life of the circulating pump and the pipeline.

[0054] Of course, in other embodiments, centrifugal pumps, plunger pumps, gear pumps, screw pumps, jet pumps, pneumatic booster pumps, hydraulic pumps, electromagnetic pumps, peristaltic pumps, vortex pumps, vacuum pumps, self-priming pumps, multi-stage pumps, etc. can be used instead of the above-mentioned circulating pump.

[0055] The utility model discloses a kind of hydrolytic acidification systems, comprising:

[0056] Hydrolytic acidification tank 8, hydrolytic acidification tank 8 has sewage treatment cavity;And

[0057] The water distribution device with self-cleaning function described above, the water outlet of the water distribution branch pipe 3 is communicated with the sewage treatment cavity.

[0058] The hydrolytic acidification system of the utility model, since the above-mentioned water distribution device is used, in the case where water distribution device needs to be cleaned, start pressure boosting device 4, pressurize sewage in sewage treatment cavity to pulse water distributor 1, to increase the water level in pulse water distributor 1, so as to realize the instantaneous pressure in water distribution device is increased, water pressure in water distribution main pipe 2 and water distribution branch pipe 3 is also raised, the flow rate in water distribution main pipe 2 and water distribution branch pipe 3 is accelerated, so as to reach the purpose of forward self-cleaning pulse water distributor 1, water distribution main pipe 2 and water distribution branch pipe 3, can effectively prevent pulse water distributor 1, water distribution main pipe 2 and water distribution branch pipe 3 from being blocked, so that water distribution is more uniform, thereby improving the sewage treatment effect of hydrolytic acidification tank 8.

[0059] Referring to Figure 3 In an embodiment, the hydrolytic acidification system further comprises:

[0060] Second sludge discharge pipe 9, second sludge discharge pipe 9 is arranged at the bottom of the sewage treatment cavity, and the inlet end of the second sludge discharge pipe 9 is communicated with the sewage treatment cavity;

[0061] The sludge pump 10 has an inlet end connected to the second sludge pipe 9 and an outlet end configured to be connected to an external sludge treatment device, and is configured to deliver sludge in the sewage treatment chamber to the sludge treatment device through the second sludge pipe 9. In this way, when sludge in the sewage treatment chamber needs to be discharged, the sludge pump 10 is started to deliver the sludge in the sewage treatment chamber to the sludge treatment device through the second sludge pipe 9, thereby ensuring the efficiency of sludge discharge.

[0062] Referring to Figure 3 In one embodiment, the second sludge pipe 9 has a plurality of sludge discharge holes 91 arranged at intervals, each of which is connected to the sewage treatment chamber and the lumen of the second sludge pipe 9. The plurality of sludge discharge holes 91 can uniformly discharge sludge and prevent the second sludge pipe 9 from being blocked.

[0063] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the present specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0064] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0065] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water distribution device with a self-cleaning function, characterized in that, include: A pulse water distributor, wherein the inlet of the pulse water distributor is used to connect to a sewage supply device; A main water distribution pipe, the inlet of which is connected to the outlet of the pulse water distributor; A water distribution branch pipe, the inlet of which is connected to the outlet of the main water distribution pipe, and the outlet of which is used to connect to the wastewater treatment chamber of the hydrolysis acidification tank. as well as A pressure boosting device is provided, with its inlet connected to the wastewater treatment chamber of the hydrolysis acidification tank and its outlet connected to the pulse water distributor. The pressure boosting device is used to supply pressurized wastewater to the pulse water distributor.

2. The water distribution device with self-cleaning function according to claim 1, characterized in that, The water distribution device with self-cleaning function also includes: The first sludge discharge pipe has its inlet end connected to the main water distribution pipe, and its outlet end connected to an external sludge treatment device; and A valve is provided on the first sludge discharge pipe, and the valve is used to control the opening and closing of the outlet end of the first sludge discharge pipe.

3. The water distribution device with self-cleaning function according to claim 2, characterized in that, The valve is a manual valve.

4. The water distribution device with self-cleaning function according to claim 1, characterized in that, The water distribution device with self-cleaning function also includes: The inlet pipe is connected to the wastewater treatment chamber of the hydrolysis acidification tank, and the outlet pipe is connected to the inlet of the pressure boosting device.

5. The water distribution device with self-cleaning function according to claim 1, characterized in that, The water distribution device with self-cleaning function also includes: The water outlet pipe has its inlet connected to the outlet of the pressure boosting device and its outlet connected to the pulse water distributor.

6. The water distribution device with self-cleaning function according to claim 1, characterized in that, The pressure boosting device includes a circulating pump.

7. A hydrolysis acidification system, characterized in that, include: A hydrolysis acidification tank, wherein the hydrolysis acidification tank has a wastewater treatment chamber; as well as The water distribution device with self-cleaning function according to any one of claims 1-6, wherein the outlet of the water distribution branch pipe is connected to the sewage treatment chamber.

8. The hydrolysis acidification system according to claim 7, characterized in that, The hydrolysis acidification system also includes: The second sludge discharge pipe is located at the bottom of the sewage treatment chamber, and the inlet end of the second sludge discharge pipe is connected to the sewage treatment chamber. A sludge discharge pump, the inlet of which is connected to the second sludge discharge pipe, and the outlet of which is connected to an external sludge treatment device, is used to transport the sludge in the sewage treatment chamber to the sludge treatment device through the second sludge discharge pipe.

9. The hydrolysis acidification system according to claim 8, characterized in that, The second sludge discharge pipe has multiple sludge discharge holes on its wall, which are spaced apart and each of the sludge discharge holes is connected to the sewage treatment chamber and the cavity of the second sludge discharge pipe.

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