Short-cut nitrification and denitrification treatment device for sewage

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage short-cut nitrification and denitrification treatment device which comprises a main body, a sewage conveying component and a nitrification anaerobic component are fixedly connected to the top of the main body, and a denitrification anaerobic component is arranged on the side surface of the main body; according to the utility model, the appropriate temperature of the nitration reaction is regulated by regulating and optimizing the temperature instrument, and the rate of the nitration reaction can be controlled by controlling the reaction temperature, so that the nitration reaction is accelerated along with the rise of the temperature, and the nitration reaction is completely stopped when the temperature is reduced to a certain temperature; the influence of the temperature on the nitrification rate is more obvious, the low-temperature state has a very strong inhibition effect on nitrifying bacteria, the nitrifying bacteria are very sensitive to the change of the PH value, and the PH controller is used for keeping the proper PH value, so that the sewage can keep enough alkalinity to adjust the PH value.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sewage short -distance nitrification denitrification treatment device. BACKGROUND

[0002] Short -distance denitrification is the new type nitrogen removal process based on full -distance denitrification development, usually refers to the biological process under the action of microorganism only nitrate is reduced into nitrite.

[0003] At present, the nitrification treatment sewage cannot control the height of nitrification process dissolved oxygen, will influence the progress of nitrification reaction, and when the dissolved oxygen mass concentration is less than 0.5~0.7mg / L, the nitrification reaction of ammonia will be inhibited, and the nitrobacteria is very sensitive to the change of PH value and cannot keep the suitable PH value, the content of organic matter in mixed liquor is too high, the nitrobacteria is difficult to become dominant bacteria, and the temperature cannot be controlled, leading to too fast or too slow reaction, therefore, a sewage short -distance nitrification denitrification treatment device is required to improve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve the problems existing in the nitrification treatment sewage at present, the nitrification process dissolved oxygen cannot be controlled, which will influence the progress of nitrification reaction, and when the dissolved oxygen mass concentration is less than 0.5~0.7mg / L, the nitrification reaction of ammonia will be inhibited, and the nitrobacteria is very sensitive to the change of PH value and cannot keep the suitable PH value, the content of organic matter in mixed liquor is too high, the nitrobacteria is difficult to become dominant bacteria, and the temperature cannot be controlled, leading to too fast or too slow reaction, the utility model aims at providing a sewage short -distance nitrification denitrification treatment device to solve the problems in the above background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A sewage short -distance nitrification denitrification treatment device, including the main part, the top of the main part is fixedly connected with sewage delivery assembly and nitrification anaerobic assembly, the side of the main part is provided with denitrification anaerobic assembly;

[0007] The main part includes the base, and the top of the base is fixedly connected with the sewage tank.

[0008] The nitration anaerobic assembly includes a mounting frame, the side of the mounting frame is provided with a clamp, the inside of the clamp is provided with an input pipe, the top of the input pipe is fixedly connected with a hydraulic retention time table, the side of the mounting frame is fixedly connected with a temperature control and optimization instrument, the side of the temperature control and optimization instrument is fixedly connected with an operation button, the side of the input pipe is fixedly connected with a flow guide pipe, the bottom of the flow guide pipe is fixedly connected with a connecting pipe, the bottom of the connecting pipe is fixedly connected with a nitration reactor, the side of the flow guide pipe is fixedly connected with a PH controller, and the bottom of the PH controller is fixedly connected with a free decomposer.

[0009] The denitrification anaerobic assembly includes a short-range denitrification coupling bin, the side of the short-range denitrification coupling bin is fixedly connected with a runoff pipe, and the side of the runoff pipe is fixedly connected with a flow collection pipe.

[0010] As a preferred scheme of the utility model, the top of the free decomposer is fixedly connected with an input pipe, the input pipe extends to the inside of the sewage tank, and the clamp is provided with a plurality of.

[0011] As a preferred scheme of the utility model, the top of the short-range denitrification coupling bin is fixedly connected with an exhaust pipe, the top of the runoff pipe is fixedly connected with a master control valve, and the flow collection pipe is fixedly connected with the input pipe.

[0012] As a preferred scheme of the utility model, the side of the short-range denitrification coupling bin is fixedly connected with a discharge pipe, the top of the discharge pipe is fixedly connected with a second valve and a second meter.

[0013] As a preferred scheme of the utility model, the sewage conveying assembly includes a supporting plate, the top of the supporting plate is fixedly connected with a sewage pump, the side of the sewage pump is fixedly connected with a conveying pipe, the side of the conveying pipe is fixedly connected with an overflow valve, the side of the overflow valve is fixedly connected with a filter pipe, and the filter pipe is fixedly connected with the input pipe.

[0014] As a preferred scheme of the utility model, the top of the conveying pipe is fixedly connected with a first meter, the side of the sewage pump is fixedly connected with a sewage pipe, and the top of the sewage pipe is fixedly connected with a first valve.

[0015] As a preferred scheme of the utility model, the top of the sewage tank is provided with a content table, and the bottom of the base is fixedly connected with a supporting rod.

[0016] As a preferred scheme of the utility model, the bottom of the supporting rod is fixedly connected with a bottom plate, and the supporting rod and the bottom plate are provided with four.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The utility model discloses a temperature regulating and optimizing instrument is used to adjust the suitable temperature of nitrification reaction, and the reaction temperature is controlled, so that the rate of nitrification reaction can be controlled, thereby the nitrification reaction is accelerated with the temperature rising, and when the temperature is low to a certain value, the nitrification reaction stops completely, for the denitrification process that decarburization and nitrification are completed in the same pool, the influence of temperature on the nitrification rate is more obvious, the low temperature state has very strong inhibitory effect on nitrifying bacteria, and the nitrifying bacteria are very sensitive to the change of PH value, and the sewage can be kept enough alkalinity to adjust the change of PH value by using the PH controller to keep the suitable PH value.

[0019] 2. The utility model discloses a short-cut nitrification and denitrification sewage treatment process using nitrification anaerobic assembly and denitrification anaerobic assembly, in the treatment process, the short-cut denitrification process can shorten the anaerobic ammonia oxidation reaction time, improve the denitrification efficiency of anaerobic ammonia oxidation, reduce the demand of organic carbon source at the same time, and anaerobic ammonia oxidation can oxidize about half of ammonia nitrogen into nitrite, and then is reduced into nitrogen under the anaerobic ammonia oxidation effect, which is very favorable for the energy saving of sewage treatment. DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the sewage delivery assembly structure schematic diagram of the utility model;

[0022] Figure 3 It is the denitrification anaerobic assembly structure schematic diagram of the utility model;

[0023] Figure 4 It is the nitrification anaerobic assembly structure schematic diagram of the utility model.

[0024] In the drawing: 1, main body;101, base;102, support rod;103, bottom plate;104, sewage tank;105, content table;2, sewage delivery assembly;201, supporting plate;202, sewage pump;203, sewage pipe;204, first valve;205, delivery pipe;206, first meter;207, overflow valve;208, filter pipe;3, nitrification anaerobic assembly;301, mounting frame;302, clamp;303, input pipe;304, hydraulic retention time table;305, flow guide pipe;306, PH controller;307, input pipe;308, temperature regulating and optimizing instrument;309, operation button;310, free decomposer;311, connecting pipe;312, nitrification reactor;4, denitrification anaerobic assembly;401, short-cut denitrification coupling bin;402, exhaust pipe;403, manifold;404, master control valve;405, radial flow pipe;406, discharge pipe;407, second valve;408, second meter. SPECIFIC IMPLEMENTATION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiment: Please refer to Figures 1-4 The sewage short-cut nitrification and denitrification treatment device shown in the figure, including main body 1, the top of main body 1 is fixedly connected with sewage delivery assembly 2 and nitrification anaerobic assembly 3, the side of main body 1 is provided with denitrification anaerobic assembly 4;

[0027] In the embodiment, referring to Figure 1 、 Figure 3 And Figure 4 The main body 1 includes base 101, the top of base 101 is fixedly connected with sewage tank 104, nitrification anaerobic assembly 3 includes mounting bracket 301, the side of mounting bracket 301 is provided with clamp 302, the inside of clamp 302 is provided with input pipe 303, the top of input pipe 303 is fixedly connected with hydraulic retention time table 304, the side of mounting bracket 301 is fixedly connected with control and optimization temperature instrument 308, the side of control and optimization temperature instrument 308 is fixedly connected with operation button 309, the side of input pipe 303 is fixedly connected with flow guide pipe 305, the bottom of flow guide pipe 305 is fixedly connected with connecting pipe 311, the bottom of connecting pipe 311 is fixedly connected with nitrification reactor 312, the side of flow guide pipe 305 is fixedly connected with PH controller 306, the bottom of PH controller 306 is fixedly connected with free decomposer 310, denitrification anaerobic assembly 4 includes short-cut denitrification coupling bin 401, the side of short-cut denitrification coupling bin 401 is fixedly connected with runoff pipe 405, the side of runoff pipe 405 is fixedly connected with confluence pipe 403, the suitable temperature of nitrification reaction is adjusted using control and optimization temperature instrument 308, the reaction temperature is controlled, the rate of nitrification reaction can be controlled, so as to appear with the increase of temperature and speed up, and when the temperature is low to a certain temperature, nitrification reaction stops completely, for the denitrification process that decarburization and nitrification are completed in the same pool, the influence of temperature on nitrification rate is more obvious, low-temperature state has a strong inhibitory effect on nitrifying bacteria, the suitable PH value is maintained using PH controller 306, the alkalinity of sewage can be kept to adjust the change of PH value.

[0028] The top of the free decomposer 310 is fixedly connected with the input pipe 307, the input pipe 307 extends to the inside of the sewage tank 104, the clamp 302 is provided with a plurality of, the top of the short-term denitrification coupling bin 401 is fixedly connected with the exhaust pipe 402, the top of the radial flow pipe 405 is fixedly connected with the master control valve 404, the confluence pipe 403 is fixedly connected with the input pipe 303, the side of the short-term denitrification coupling bin 401 is fixedly connected with the discharge pipe 406, the top of the discharge pipe 406 is fixedly connected with the second valve 407 and the second meter 408, the short-term nitrification and denitrification sewage treatment process using the nitrifying anaerobic assembly 3 and the denitrifying anaerobic assembly 4, in the treatment process, the short-term denitrification process can shorten the anaerobic ammonia oxidation reaction time, improve the denitrification efficiency of anaerobic ammonia oxidation, and reduce the demand for organic carbon source, anaerobic ammonia oxidation can oxidize about half of the ammonia nitrogen to nitrite, and then reduce to nitrogen under the action of anaerobic ammonia oxidation, which is very beneficial to the energy saving of sewage treatment.

[0029] In this embodiment, referring to Figure 1 and Figure 2 It is shown that the sewage delivery assembly 2 comprises a supporting plate 201, the top of the supporting plate 201 is fixedly connected with a sewage pump 202, the side of the sewage pump 202 is fixedly connected with a delivery pipe 205, the side of the delivery pipe 205 is fixedly connected with an overflow valve 207, the side of the overflow valve 207 is fixedly connected with a filter pipe 208, the filter pipe 208 is fixedly connected with the input pipe 303, the top of the delivery pipe 205 is fixedly connected with a first meter 206, the side of the sewage pump 202 is fixedly connected with a sewage pipe 203, the top of the sewage pipe 203 is fixedly connected with a first valve 204, the top of the sewage tank 104 is provided with a content meter 105, the bottom of the base 101 is fixedly connected with a support rod 102, the bottom of the support rod 102 is fixedly connected with a bottom plate 103, the support rod 102 and the bottom plate 103 are provided with four, the sewage pump 202 can control the sewage delivery speed, and then control the reaction rate.

[0030] The sewage short-cut nitrification and denitrification treatment device in the scheme can start the short-cut nitrification process and maintain stable operation effect in use, the nitrification reactor 312 controls and maintains the oxidation of ammonia nitrogen at the nitrite nitrogen stage, and under the process operation of the hydraulic retention time table 304, the PH controller 306, the temperature regulating and optimizing instrument 308, the operation button 309, the free decomposer 310 and the like, the temperature, the hydraulic retention time, the dissolved oxygen, the PH, the free ammonia and the like can be regulated and optimized to strengthen the activity of ammonia oxidizing bacteria, inhibit the activity of nitrite oxidizing bacteria, improve the purity of ammonia oxidizing bacteria and the competitive advantage of bacterial flora, and realize nitrite nitrogen accumulation, low dissolved oxygen concentration, high PH and high free ammonia concentration are all conducive to the short-cut nitrification process, because if there is no nitrogen dioxide produced, anaerobic ammonia oxidation reaction cannot occur, and in the short-cut denitrification coupling bin 401, there is no aerobic condition and short-cut nitrification to produce nitrogen dioxide, therefore, only the organic matter in the sewage can be used as the electron donor, the nitrate in the reflux sludge and the internal reflux nitrification liquid is reduced to nitrogen dioxide through short-cut denitrification, and the ammonium positive ion derived from the sewage and excessively existing in the anaerobic and short-cut denitrification coupling bin 401 is used to form and promote part of the anaerobic ammonia oxidation technology reaction process.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wastewater short-cut nitrification-denitrification treatment device, comprising a main body (1), characterized in that: The top of the main body (1) is fixedly connected to a sewage conveying assembly (2) and a nitrification anaerobic assembly (3), and the side of the main body (1) is provided with a denitrification anaerobic assembly (4). The main body (1) includes a base (101), and a sewage tank (104) is fixedly connected to the top of the base (101). The nitrification anaerobic assembly (3) includes a mounting frame (301), a clamp (302) is provided on the side of the mounting frame (301), an input pipe (303) is provided inside the clamp (302), a hydraulic retention timer (304) is fixedly connected to the top of the input pipe (303), a temperature regulator (308) is fixedly connected to the side of the mounting frame (301), an operation button (309) is fixedly connected to the side of the temperature regulator (308), a flow guide pipe (305) is fixedly connected to the side of the input pipe (303), a connecting pipe (311) is fixedly connected to the bottom of the flow guide pipe (305), a nitrification reactor (312) is fixedly connected to the bottom of the connecting pipe (311), a pH controller (306) is fixedly connected to the side of the flow guide pipe (305), and a free decomposer (310) is fixedly connected to the bottom of the pH controller (306). The denitrification anaerobic component (4) includes a short-cut denitrification coupling chamber (401), a runoff pipe (405) is fixedly connected to the side of the short-cut denitrification coupling chamber (401), and a manifold pipe (403) is fixedly connected to the side of the runoff pipe (405).

2. The wastewater short-cut nitrification-denitrification treatment device according to claim 1, characterized in that: The top of the free decomposer (310) is fixedly connected to an inlet pipe (307), which extends into the interior of the sewage tank (104), and the clamps (302) are provided with several.

3. The wastewater short-cut nitrification-denitrification treatment device according to claim 1, characterized in that: The top of the short-range denitrification coupling chamber (401) is fixedly connected to an exhaust pipe (402), the top of the runoff pipe (405) is fixedly connected to a main control valve (404), and the manifold (403) is fixedly connected to the input pipe (303).

4. The wastewater short-cut nitrification-denitrification treatment device according to claim 1, characterized in that: The side of the short-range denitrification coupling chamber (401) is fixedly connected to a pipe (406), and the top of the pipe (406) is fixedly connected to a second valve (407) and a second meter (408).

5. The wastewater short-cut nitrification-denitrification treatment device according to claim 1, characterized in that: The sewage conveying assembly (2) includes a support plate (201), a sewage pump (202) is fixedly connected to the top of the support plate (201), a conveying pipe (205) is fixedly connected to the side of the sewage pump (202), an overflow valve (207) is fixedly connected to the side of the conveying pipe (205), a filter pipe (208) is fixedly connected to the side of the overflow valve (207), and the filter pipe (208) is fixedly connected to the input pipe (303).

6. The wastewater short-cut nitrification-denitrification treatment device according to claim 5, characterized in that: The top of the conveying pipe (205) is fixedly connected to a first meter (206), the side of the sewage pump (202) is fixedly connected to a sewage pipe (203), and the top of the sewage pipe (203) is fixedly connected to a first valve (204).

7. The wastewater short-cut nitrification-denitrification treatment device according to claim 1, characterized in that: The top of the sewage tank (104) is provided with a content meter (105), and the bottom of the base (101) is fixedly connected with a support rod (102).

8. The wastewater short-cut nitrification-denitrification treatment device according to claim 7, characterized in that: The bottom of the support rod (102) is fixedly connected to the base plate (103), and four support rods (102) and base plates (103) are provided.

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