Integrated AO sewage treatment equipment

Abstract

The utility model relates to integrated AO sewage treatment equipment, which comprises an anoxic tank, a first water distributor and a second water distributor, a second water distributor, a circulating pump and a nitrification liquid reflux pump are arranged in the aerobic tank, a first jet device is arranged above the aerobic tank or the anoxic tank, and a second jet device is arranged above the aerobic tank; one end of the first jet device is communicated with the nitrification liquid reflux pump, the other end of the first jet device is communicated with the first water distributor, the first jet device is provided with an anoxic tank stirring gas inlet pipe and an electric valve, and the electric valve is connected with the controller; one end of the second jet device is communicated with the circulating pump, and the other end of the second jet device is communicated with the second water distributor. In the embodiment, the energy of the nitrification liquid reflux pump and the first jet device are used for jet stirring in the anoxic tank, the energy of the circulating pump in the aerobic tank and the second jet device are used for jet aeration in the aerobic tank, a stirrer and an air blower do not need to be matched, and a fan room does not need to be built.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field especially relates to an integrated AO sewage treatment equipment. BACKGROUND

[0002] The common integrated sewage treatment equipment mainly adopts submersible agitator to carry out anoxic agitation, and adopts air blower to carry out aeration to the aerobic tank. The problems of this mode are: submersible agitator and air blower need to be configured, and in addition, air blower room needs to be constructed, the construction investment is higher, the operation cost electric fee is high, the later stage operation and maintenance involve different mechanical and electrical equipment, and the management is more complex.

[0003] Therefore, it is necessary to improve one or more problems in the above-mentioned related technical solutions.

[0004] It should be noted that this part aims to provide background or context for the technical solutions of the present application stated in the claims. The description herein is not admitted to be prior art because it is included in this part. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an integrated AO sewage treatment equipment, thereby overcoming one or more problems caused by the limitations and defects of related technologies at least to some extent.

[0006] The utility model provides an integrated AO sewage treatment equipment, comprising:

[0007] Anoxic tank, the first water distributor is arranged in the anoxic tank;

[0008] The aerobic tank is provided with a second water distributor, a circulating pump and a nitrification liquid reflux pump, a first jet device is arranged above the aerobic tank or the anoxic tank, and a second jet device is arranged above the aerobic tank; one end of the first jet device is communicated with the nitrification liquid reflux pump, the other end of the first jet device is communicated with the first water distributor, the first jet device is provided with an anoxic tank stirring air inlet pipe and an electric valve, the electric valve is used for controlling the opening and closing of the anoxic tank stirring air inlet pipe, and the electric valve is connected with a controller; one end of the second jet device is communicated with the circulating pump, and the other end of the second jet device is communicated with the second water distributor.

[0009] In the utility model, the circulating pump is communicated with the second jet device through a second jet device water inlet pipe, the second jet device is communicated with the second water distributor through a second jet device water outlet pipe, and the second jet device is also communicated with an aerobic tank air inlet pipe.

[0010] The utility model discloses, the first water distributor and the second water distributor all include following structure:

[0011] The utility model discloses, the first water distributor and the second water distributor all include following structure:

[0012] Water inlet pipe,

[0013] Water storage pipe, the water storage pipe with water inlet pipe is linked together,

[0014] Water distribution pipe, be provided with a plurality of water distribution pipe with water storage pipe link together on the water storage pipe,

[0015] Water distribution spray head, be equipped with a plurality of water distribution spray head on each water distribution pipe, and each water distribution spray head all include: first booster, second booster and water outlet spare, first booster and second booster are equipped with a plurality of first booster nozzle and a plurality of second booster nozzle respectively, the cross section area of the water outlet end of first booster nozzle is greater than the cross section area of the water outlet end of second booster nozzle, the inner diameter of first booster nozzle and second booster nozzle gradually becomes small along the direction of water flow, and the water outlet end of first booster nozzle is against the inner side of second booster nozzle, and second booster nozzle is arranged on the water outlet hole of water outlet spare and extends out the water outlet hole.

[0016] The utility model discloses, the first water distributor and the second water distributor all still include:

[0017] A plurality of support, each support all include: telescopic sleeve and support foot, support foot with telescopic sleeve fixed connection.

[0018] The utility model discloses, be equipped with locking device on telescopic sleeve.

[0019] The utility model discloses, the controller and the oxygen deficiency pool dissolved oxygen appearance are connected.

[0020] The utility model discloses, still be equipped with gas pressure pump on the good oxygen pool air inlet pipe.

[0021] The utility model discloses, the processing equipment still includes sedimentation tank, and the water outlet of good oxygen pool enters sedimentation tank through sedimentation tank water inlet pipe.

[0022] The utility model discloses the technical scheme can include following beneficial effects:

[0023] The integrated AO sewage treatment equipment utilizes the energy of the nitrification liquid reflux pump and the first jet device to perform jet stirring in the anoxic tank, utilizes the energy of the circulating pump in the aerobic tank and the second jet device to perform jet aeration in the aerobic tank, does not need to be matched with a stirrer and a blower, and does not need to construct a fan room. The energy provided by the nitrification liquid reflux pump is used for anoxic stirring, and the reflux pump energy wasted in the prior art can be effectively utilized. The energy of the circulating pump in the aerobic tank and the second jet device form internal circulation, the aeration loss along the pipeline and locally can be reduced, the aeration energy consumption is reduced, energy saving and consumption reduction and operation cost reduction are realized. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and serve to explain the principles of the application. It is readily apparent to one skilled in the art that the following figures are merely some embodiments of the application, and other figures can be obtained from the figures without creative labor.

[0025] Figure 1 A structure schematic view of the integrated AO sewage treatment equipment in the utility model is shown.

[0026] Figure 2 A structure schematic view of the water distributor (the first water distributor and the second water distributor) in the utility model is shown.

[0027] Figure 3 An exploded structure schematic view of the water distribution nozzle in the utility model is shown.

[0028] Reference signs:

[0029] 1, sewage inlet pipe; 2, filler; 3, sedimentation tank inlet; 4, central flow guide cylinder; 5, reflection plate; 6, water collecting tank; 7, water outlet tank; 8, water outlet tank outlet pipe; 9, sludge reflux pump; 10, sludge pipe; 11, sludge reflux pipe electric valve; 12, sludge reflux pipe; 13, sludge discharge electric valve; 14, sludge discharge pipe;

[0030] 100, anoxic tank; 101, first water distributor; 102, first jet device; 1021, first jet device water inlet pipe; 1022, first jet device water outlet pipe; 103, anoxic tank stirring air inlet pipe; 104, electric valve; 200, aerobic tank; 201, second water distributor; 202, circulating pump; 203, nitrification liquid backflow pump; 204, second jet device; 2041, second jet device water inlet pipe; 2042, second jet device water outlet pipe; 205, aerobic tank air inlet pipe; 300, water inlet pipe; 301, water storage pipe; 302, water distribution pipe; 400, water distribution nozzle; 401, first pressure booster; 4011, first pressure boosting nozzle; 402, second pressure booster; 4021, second pressure boosting nozzle; 403, water outlet; 4031, water outlet hole; 500, support; 501, telescopic sleeve; 502, support leg; 600, sedimentation tank. DETAILED DESCRIPTION

[0031] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example implementations to those skilled in the art. The described features, structures, or characteristics can be combined in one or more implementations.

[0032] In addition, the drawings are to be considered in all respects as illustrative and not restrictive; identical reference numerals have been used, where possible, to denote identical or similar features, and thus repetition of the description thereof will be omitted. Some of the blocks in the drawings are function blocks, and do not necessarily correspond to physical or logical independent entities.

[0033] In the present example implementation, an integrated AO wastewater treatment device is provided, as shown in Figure 1 may include:

[0034] The anoxic tank 100 is provided with the first water distributor 101.

[0035] The aerobic tank 200 is provided with the second water distributor 201, the circulating pump 202, and the nitrification liquid backflow pump 203. The first jet device 102 is arranged above the aerobic tank 200 or the anoxic tank 100, and the second jet device 204 is arranged above the aerobic tank 200.

[0036] The one end of the first jet device 102 is communicated with the nitration liquid reflux pump 203, the other end of the first jet device 102 is communicated with the first water distributor 101, the first jet device 102 is provided with an anoxic tank stirring air inlet pipe 103 and an electric valve 104, the electric valve 104 is used for controlling the opening and closing of the anoxic tank stirring air inlet pipe 103, and the electric valve 104 is connected with a controller. The one end of the second jet device 204 is communicated with the circulating pump 202, and the other end of the second jet device 204 is communicated with the second water distributor 201.

[0037] In the embodiment, the energy of the nitration liquid reflux pump 203 and the first jet device 102 are used for jet stirring in the anoxic tank 100, the energy of the circulating pump 202 in the aerobic tank 200 and the second jet device 204 are used for jet aeration in the aerobic tank 200, and no agitator and air blower are needed, and no fan room needs to be built. The anoxic stirring is realized by the energy provided by the nitration liquid reflux pump 203, and the energy of the circulating pump 202 in the aerobic tank 200 and the second jet device 204 are used for forming internal circulation, which can reduce the along and local loss of aeration, reduce the aeration energy consumption, realize energy saving and cost reduction, and reduce the operation cost.

[0038] On the basis of the above embodiment, the circulating pump 202 is communicated with the second jet device 204 through a second jet device water inlet pipe 2041, the second jet device 204 is communicated with the second water distributor 201 through a second jet device water outlet pipe 2042, and the second jet device 204 is also communicated with an aerobic tank air inlet pipe 205.

[0039] In the embodiment, the circulating pump 202 is used for sucking the liquid in the aerobic tank 200 into the second jet device water inlet pipe 2041, then introducing into the second jet device 204, then forming a jet, then introducing into the second water distributor 201 through the second jet device water outlet pipe 2042, and finally using the second water distributor 201 to perform water distribution on the bottom of the aerobic tank 200, so as to form internal circulation of the aerobic tank 200.

[0040] Similarly, the one end of the first jet device 102 is communicated with the nitration liquid reflux pump 203 through a first jet device water inlet pipe 1021, and the other end of the first jet device 102 is communicated with the first water distributor 101 through a first jet device water outlet pipe 1022.

[0041] In the embodiment, the nitration liquid reflux pump 203 is used to suck the nitration liquid in the aerobic tank 200 into the first jet device water inlet pipe 1021, then the nitration liquid is introduced into the first jet device 102 to form a jet flow, and then the jet flow is introduced into the first jet device water outlet pipe 1022 by the first jet device 102, and then the jet flow enters the first water distributor 101 to perform water distribution work and anoxic stirring. The energy of the nitration liquid reflux pump 203 is fully utilized to avoid energy waste.

[0042] Please refer to Figure 2 and Figure 3 The structure of the first water distributor 101 and the second water distributor 201 will be described below. Both of them include a water inlet pipe 300, a water storage pipe 301, a plurality of water distribution pipes 302, and a plurality of water distribution nozzles 400.

[0043] Specifically, the water inlet pipe 300 is in communication with the water inlet of the corresponding water distributor. The water storage pipe 301 is in communication with the water inlet pipe 300. A plurality of water distribution pipes 302 are arranged on the water storage pipe 301 and in communication with the water storage pipe 301. A plurality of water distribution nozzles 400 are arranged on each water distribution pipe 302.

[0044] More specifically, each water distribution nozzle 400 includes a first booster 401, a second booster 402, and a water outlet member 403. A plurality of first booster nozzles 4011 and a plurality of second booster nozzles 4021 are arranged on the first booster 401 and the second booster 402, respectively. The cross-sectional area of the water outlet end of the first booster nozzle 4011 is larger than that of the water outlet end of the second booster nozzle 4021. The inner diameters of the first booster nozzle 4011 and the second booster nozzle 4021 gradually decrease along the direction of the water flow. The water outlet end of the first booster nozzle 4011 faces the inner side of the second booster nozzle 4021. The second booster nozzle 4021 is arranged in the water outlet hole 4031 of the water outlet member 403 and extends out of the water outlet hole 4031.

[0045] In the embodiment, the first booster 401 and the second booster 402 are used to realize water flow boosting. The water flow can be boosted without using a motor, which reduces the possibility of blockage. The water distributor located at the bottom of the water tank needs less maintenance, which reduces the maintenance cost.

[0046] It should be noted that in the above embodiment, the second booster 402 can be made of soft material. The second booster nozzle 4021 is arranged in the water outlet hole 4031 and forms a gap with the inner wall of the water outlet hole 4031. The second booster nozzle 4021 can boost the water flow under the action of its own elastic force.

[0047] In addition, components that can realize automatic boosting without using a motor in the prior art can also be used to realize the boosting of the water distribution nozzle 400.

[0048] On the basis of the above embodiments, further, please refer to Figure 2 , the first water distributor 101 and the second water distributor 201 are both further comprising:

[0049] A plurality of support 500, each of the support 500 comprises: telescopic sleeve 501 and support foot 502, the support foot 502 and the telescopic sleeve 501 fixedly connected. The telescopic sleeve 501 is provided with locking device (for example, screw, pin, buckle, etc., as long as the prior art can be realized), telescopic sleeve 501 can be fixed after telescopic, to adjust the height of support foot 502.

[0050] In this embodiment, the main structure of the first water distributor 101 and the second water distributor 201 is supported by a plurality of support 500, which can be stably placed at the bottom of the pool. The position of the support foot 502 can be adjusted by the telescopic sleeve 501 to adapt to different heights of the pool bottom surface, making the water distributor more stable and less likely to move.

[0051] In addition, for the anoxic mixing work of the anoxic tank 100, the controller and the anoxic tank dissolved oxygen instrument can be connected, and the dissolved oxygen of the anoxic tank 100 is monitored in real time by the anoxic tank dissolved oxygen instrument. The anoxic tank dissolved oxygen instrument sends the detected dissolved oxygen value to the controller. When the dissolved oxygen value of the stirring reaches the preset value, the controller controls the electric valve 104 to open the air inlet, thereby stirring the anoxic tank 100.

[0052] In one embodiment, the aerobic tank air inlet pipe 205 is further provided with a gas pressurizing pump. The gas pressurizing pump is used to pressurize the gas flowing into the aerobic tank air inlet pipe 205. The pressurized gas is used to clean the second water distributor 201, further preventing internal blockage, reducing equipment maintenance probability, and saving maintenance cost.

[0053] The treatment equipment further comprises a sedimentation tank 600, and the effluent of the aerobic tank 200 enters the sedimentation tank 600 through the sedimentation tank inlet pipe 3.

[0054] The treatment process of the integrated AO sewage treatment equipment of the present application is as follows:

[0055] The sewage enters the integrated sewage treatment equipment through the sewage inlet pipe 1. The anoxic tank 100 is provided with fixed filler 2. The total nitrogen in the sewage is removed by the microorganisms on the filler 2 and the activated sludge suspended in the water. Then the sewage enters the aerobic tank 200, where the organic matter and ammonia nitrogen are degraded. The effluent of the aerobic tank 200 enters the center flow guide cylinder 4 and the reflector plate 5 of the sedimentation tank 600 through the sedimentation tank inlet pipe 3. Then the sludge and water are separated, the effluent of the sedimentation tank 600 is collected through the end water collecting tank 6 and then discharged into the effluent tank 7, and then discharged through the effluent tank outlet pipe 8.

[0056] The stirring of the anoxic tank 100 is powered by the nitrification liquid reflux pump 203 of the aerobic tank 200. The effluent of the nitrification liquid reflux pump 203 enters the anoxic tank 100 through the first jet device inlet pipe 1021, the first jet device 102, the first jet device outlet pipe 1022 and the first water distributor 101. The first jet device 102 is provided with an anoxic tank stirring air inlet pipe 103 and an electric valve 104. The anoxic air inlet stirring can be controlled by controlling the opening and closing of the electric valve 104. The aerobic tank 200 is provided with a circulating pump 202. The circulating pump 202 is connected to the second jet device inlet pipe 2041, the second jet device 204, the aerobic tank air inlet pipe 205, the second jet device outlet pipe 2042 and the second water distributor 201. The circulating pump 202 is used for daily aeration of the aerobic tank 200.

[0057] The sludge reflux pump 9 provided in the sedimentation tank 600 is used for sludge reflux and sludge discharge. The sludge in the sedimentation tank 600 is refluxed or discharged through the sludge pipe 10. The reflux is performed through the sludge reflux pipe electric valve 11 and the sludge reflux pipe 12. The sludge discharge is performed through the sludge discharge electric valve 13 and the sludge discharge pipe 14.

[0058] In the above embodiments, the undisclosed parts can be implemented by using the prior art.

[0059] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like in the above description indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0060] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0061] In the embodiments of the present application, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection", "contact", and the like, should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0062] In the embodiments of the present application, unless specifically defined and limited otherwise, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0063] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" and the like 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. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.

[0064] Other embodiments of the present application will be apparent to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. The present application is intended to cover any variations, uses or adaptive changes of the present application following the general principles of the present application and including common knowledge or conventional technical means in the art not claimed by the present application. The specification and examples are only considered as exemplary, and the true scope and spirit of the present application are indicated by the appended claims.

Claims

1. An integrated AO wastewater treatment plant, characterized by, The utility model relates to a treatment equipment for wastewater treatment, which comprises: an anoxic tank provided with a first water distributor; an aerobic tank provided with a second water distributor, a circulating pump and a nitrification liquid reflux pump, the aerobic tank or the anoxic tank is provided with a first jet device above, the aerobic tank is provided with a second jet device above, one end of the first jet device is communicated with the nitrification liquid reflux pump, the other end of the first jet device is communicated with the first water distributor, the first jet device is provided with an anoxic tank stirring air inlet pipe and an electric valve, the electric valve is used for controlling the opening and closing of the anoxic tank stirring air inlet pipe, the electric valve is connected with a controller, one end of the second jet device is communicated with the circulating pump, the other end of the second jet device is communicated with the second water distributor.

2. The integrated AO wastewater treatment plant according to claim 1, characterized in that, The circulating pump is communicated with the second jet device through a second jet device water inlet pipe, the second jet device is communicated with the second water distributor through a second jet device water outlet pipe, and the second jet device is also communicated with an aerobic tank air inlet pipe.

3. The integrated AO wastewater treatment plant according to claim 1, wherein One end of the first jet device is communicated with the nitrification liquid reflux pump through a first jet device water inlet pipe, and the other end of the first jet device is communicated with the first water distributor through a first jet device water outlet pipe.

4. The integrated AO wastewater treatment plant of claim 1, wherein The first water distributor and the second water distributor both comprise the following structures: a water inlet pipe; a water storage pipe communicated with the water inlet pipe; a plurality of water distribution pipes provided on the water storage pipe and communicated with the water storage pipe; a plurality of water distribution nozzles provided on each water distribution pipe, each water distribution nozzle comprises a first booster, a second booster and a water outlet, a plurality of first booster nozzles and a plurality of second booster nozzles are respectively provided on the first booster and the second booster, the cross-sectional area of the water outlet end of the first booster nozzle is larger than that of the water outlet end of the second booster nozzle, the inner diameters of the first booster nozzle and the second booster nozzle gradually decrease along the direction of water flow, the water outlet end of the first booster nozzle faces the inner side of the second booster nozzle, and the second booster nozzle penetrates the water outlet hole of the water outlet and extends out of the water outlet hole.

5. The integrated AO wastewater treatment plant according to claim 4, wherein The first water distributor and the second water distributor both further comprise: a plurality of support members, each support member comprises a telescopic sleeve and a support leg, and the support leg is fixedly connected with the telescopic sleeve.

6. The integrated AO wastewater treatment plant according to claim 5, wherein The telescopic sleeve is provided with a locking device.

7. The integrated AO wastewater treatment plant of claim 4, wherein The controller is connected with an anoxic tank dissolved oxygen meter.

8. The integrated AO wastewater treatment plant of claim 2, wherein, The aerobic tank air inlet pipe is further provided with a gas pressure pump.

9. The integrated AO wastewater treatment plant according to any one of claims 1 to 8, characterized in that The treatment equipment further comprises a sedimentation tank, and the effluent of the aerobic tank enters the sedimentation tank through a sedimentation tank water inlet pipe.

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