CN217535767U - Low-temperature sewage biochemical treatment equipment - Google Patents
Low-temperature sewage biochemical treatment equipment Download PDFInfo
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- CN217535767U CN217535767U CN202221821260.1U CN202221821260U CN217535767U CN 217535767 U CN217535767 U CN 217535767U CN 202221821260 U CN202221821260 U CN 202221821260U CN 217535767 U CN217535767 U CN 217535767U
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
本实用新型涉及污水处理技术领域，尤其是涉及一种低温污水生化处理设备，包括进液管、出液管、污泥回流模块、混合液回流模块、以及依次连通的生化反应池、二沉池、絮凝沉淀池和清水池，生化反应池包括缺氧区和好氧区，缺氧区内穿孔曝气管和第一悬浮填料，好氧区内设有曝气器何第二悬浮填料。本实用新型通过污泥回流模块、混合液回流模块、穿孔曝气管、曝气器、第一悬浮填料、第二悬浮填料和生化反应池的配合，增强污泥微生物在处理低温污水时的活性，进而解决活性污泥法无法正常进行处理低温污水的技术问题，同时促进硝化和反硝化作用的进行，达到提高设备对低温污水的处理效果和处理效率的技术效果。
The utility model relates to the technical field of sewage treatment, in particular to a low-temperature sewage biochemical treatment equipment, comprising a liquid inlet pipe, a liquid outlet pipe, a sludge return module, a mixed liquid return module, a biochemical reaction tank and a secondary sedimentation tank which are connected in sequence. , flocculation sedimentation tank and clear water tank, biochemical reaction tank includes anoxic zone and aerobic zone, perforated aeration pipe and first suspension filler in anoxic zone, aerator and second suspension filler in aerobic zone. The utility model enhances the activity of sludge microorganisms in the treatment of low-temperature sewage through the cooperation of the sludge return module, the mixed liquid return module, the perforated aeration pipe, the aerator, the first suspension filler, the second suspension filler and the biochemical reaction tank. , and then solve the technical problem that the activated sludge method cannot process low-temperature sewage normally, and at the same time promote the nitrification and denitrification, so as to achieve the technical effect of improving the treatment effect and treatment efficiency of the equipment on low-temperature sewage.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment technique and specifically relates to a low temperature sewage biochemical treatment equipment is related to.
Background
In low-temperature high-altitude areas, particularly areas without central heating, due to the fact that the air temperature is low, residents keep tap water normally open in the using process in order to avoid freezing of tap water pipes, a large amount of tap water directly enters a sewage pipe network without being used, and the temperature of sewage is low and is usually lower than 5 ℃. When the existing sewage treatment equipment adopting the activated sludge method is used for treating domestic sewage, the sewage treatment equipment mainly depends on the biochemical action of microorganisms in the activated sludge to carry out metabolic treatment on various pollutants in the sewage, so that the effect of purifying the sewage is achieved, and the activity of the microorganisms in the activated sludge can be reduced along with the reduction of the water temperature, so that when the sewage treatment equipment adopting the activated sludge method is used for carrying out sewage treatment in a cold area, along with the reduction of the water temperature, the capacity of the sewage treatment equipment for removing pollutants such as COD (chemical oxygen demand), ammonia nitrogen, total nitrogen and the like is reduced, the sludge settling property is poor, the SS (suspended solid) of effluent is increased, the quality of the effluent exceeds the standard, and even part of the sewage treatment equipment adopting the activated sludge method can not run in winter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low temperature sewage biochemical treatment equipment suitable for low temperature high altitude area solves the above-mentioned technical problem who exists among the prior art, mainly includes following scheme:
the utility model provides a low temperature sewage biochemical treatment equipment, including feed liquor pipe, drain pipe, sludge return module, mixed liquid return module and the biochemical reaction pond, two heavy ponds, flocculation and precipitation pond and the clean water basin that communicate in proper order, the biochemical reaction pond includes anoxic zone and aerobic zone, anoxic zone bottom is through first water passing hole and aerobic zone bottom intercommunication, the input and the aerobic zone intercommunication of mixed liquid return module, the output and the anoxic zone intercommunication of mixed liquid return module, anoxic zone bottom are provided with the perforation aeration pipe, are equipped with first suspension filler in the anoxic zone, aerobic zone bottom is provided with the aerator, is equipped with second suspension filler in the aerobic zone, sludge return module's input and two heavy ponds intercommunication, sludge return module's output and anoxic zone intercommunication, feed liquor pipe and anoxic zone intercommunication, drain pipe and clean water basin intercommunication.
Further, the first suspended filler and the second suspended filler are respectively suspended spherical fillers filled with polyurethane sponge fillers.
Further, the low-temperature sewage biochemical treatment equipment further comprises a shell, wherein the biochemical reaction tank, the secondary sedimentation tank, the flocculation sedimentation tank and the clean water tank are respectively arranged in the shell.
Further, the top of the aerobic zone is communicated with the secondary sedimentation tank through a second water through hole.
Furthermore, a first water inlet channel is arranged at the top of the secondary sedimentation tank, the top of the aerobic zone is communicated with the first water inlet channel through a second water passing hole, at least one first water distribution hole is arranged at the bottom of the first water inlet channel, and the first water inlet channel is communicated with the secondary sedimentation tank through the first water distribution hole.
Furthermore, a first water outlet channel is arranged at the top of the secondary sedimentation tank, and the secondary sedimentation tank is communicated with the flocculation sedimentation tank through the first water outlet channel.
Further, low temperature sewage biochemical treatment equipment still throws the module including mixing area, flocculation district and first medicament, first outlet channel passes through the third and passes through water hole and mixing area intercommunication, and the mixing area bottom passes through the fourth and passes through water hole and flocculation district bottom intercommunication, the flocculation district top is passed through the fifth and is crossed water hole and flocculation sedimentation tank intercommunication, first medicament is thrown and is thrown the module and be used for throwing adsorbent or disinfectant to mixing area and/or flocculation sedimentation tank.
Furthermore, a second water inlet channel is arranged at the top of the flocculation sedimentation tank, the top of the flocculation area is communicated with the second water inlet channel through a fifth water through hole, at least one second water distribution hole is formed in the bottom of the second water inlet channel, and the second water inlet channel is communicated with the flocculation sedimentation tank through the second water distribution hole.
Further, the low-temperature sewage biochemical treatment equipment further comprises a second agent adding module, and the second agent adding module is used for adding disinfectant into the clean water tank.
Furthermore, a second water outlet channel is arranged at the top of the flocculation sedimentation tank, and the flocculation sedimentation tank is communicated with the clean water tank through the second water outlet channel.
The utility model discloses relative to prior art have following technological effect at least:
according to the low-temperature sewage biochemical treatment equipment, the sludge in the secondary sedimentation tank is refluxed to the anoxic zone by the sludge reflux module, so that suspended sludge and biofilm sludge coexist, the microbial biomass in the system can be far greater than that of a simple biofilm method or an activated sludge method, and the biological suspended filler provides an attached growth condition for microorganisms with long generation period under a low-temperature environment, so that growth and propagation of microorganisms such as nitrobacteria are facilitated; on the other hand, the return sludge and the return mixed liquor are fully mixed in an anoxic zone, and microorganisms utilize a carbon source in the inlet water to perform denitrification reaction under the anoxic condition to remove TN in the return liquor; for the microorganism growth provides oxygen through the micropore aerator, the microorganism utilizes oxygen to get rid of the organic matter in the waste water, nitrobacteria produces the nitrification and turns into nitrate nitrogen with the ammonia nitrogen in the waste water, and the water pump that the mixed liquid backward flow module of cooperation adopted or air stripping backward flow to the anoxic zone promote going on of denitrification, reach the technological effect of further improve equipment to the treatment effect and the treatment effeciency of low temperature sewage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a plan view of the low-temperature biochemical sewage treatment apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the secondary sedimentation tank in FIG. 1;
FIG. 3 is a schematic diagram of the structure of the flocculation sedimentation tank in FIG. 1;
FIG. 4 is a front view of the biochemical treatment apparatus for low-temperature sewage according to the present invention;
FIG. 5 is a top sectional view of the low temperature biochemical sewage treatment apparatus of the present invention;
FIG. 6 is a side sectional view of the secondary sedimentation tank;
FIG. 7 is a side cross-sectional view of a flocculation basin.
In the figure: 100. an anoxic zone; 110. a first suspended filler; 120. a first perforated aerator pipe; 130. a first water through hole; 200. an aerobic zone; 210. a second suspended filler; 220. an aerator; 230. a mixed liquid reflux module; 240. a second water through hole; 300. a secondary sedimentation tank; 310. a sludge reflux module; 320. a first water inlet channel; 321. a first water distribution hole; 330. a first water outlet channel; 340. a third water through hole; 350. a first dross baffle; 400. a flocculation sedimentation tank; 410. a mixing zone; 411. a second perforated aeration pipe; 420. a flocculation zone; 430. a second water inlet channel; 431. a second water distribution hole; 432. a fifth water through hole; 440. a second water outlet channel; 450. a water outlet pipe; 460. a sludge discharge pipe of the flocculation tank; 470. a second dross baffle; 500. a clean water tank; 600. a liquid inlet pipe; 700. a liquid outlet pipe; 800. an equipment room; 810. a first agent adding module; 820. a second agent adding module; 830. a blower.
Detailed Description
The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are illustrative only and are not intended to be limiting.
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the present disclosure, unless expressly stated or limited otherwise, a first feature may comprise a first and a second feature in direct contact, or the first and second features may be in contact by means of another feature not in direct contact but in between. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
The embodiment is as follows:
the embodiment of the utility model provides a low temperature sewage biochemical treatment equipment, as shown in fig. 1-7, including feed liquor pipe 600, drain pipe 700, sludge return module 310, mixed liquid return module 230 and the biochemical reaction pond, two heavy ponds 300, flocculation and precipitation pond 400 and the clean water basin 500 that communicate in proper order, biochemical reaction pond includes anoxic zone 100 and aerobic zone 200, anoxic zone 100 bottom is through first water hole 130 and aerobic zone 200 bottom intercommunication, mixed liquid return module 230's input and aerobic zone 200 intercommunication, mixed liquid return module 230's output and anoxic zone 100 intercommunication, anoxic zone 100 bottom is provided with first perforation aeration pipe 120, is equipped with first suspended filler 110 in the anoxic zone 100, aerobic zone 200 bottom is provided with aerator 220, is equipped with second suspended filler 210 in the aerobic zone 200, sludge return module 310's input and two heavy ponds 300 intercommunication, sludge return module 310's output and anoxic zone 100 intercommunication, feed liquor pipe 600 and anoxic zone 100 intercommunication, drain pipe 700 and clean water basin 500 intercommunication.
For low-temperature sewage with the water temperature of 5 ℃ or below, when the existing sewage treatment equipment adopting an activated sludge method carries out sewage treatment on the low-temperature sewage, the activity of activated sludge microorganisms is influenced by low temperature, so that the activity is reduced, the capacity of removing pollutants such as COD (chemical oxygen demand), ammonia nitrogen, total nitrogen and the like of the sewage treatment equipment is reduced, the sludge settling property is deteriorated, the effluent quality exceeds the standard and the like; in the low-temperature biochemical sewage treatment equipment provided by the embodiment, the first suspended filler 110 is put in the anoxic zone 100, the second suspended filler 210 is put in the aerobic zone 200, a biofilm process is formed, and the first perforated aerator pipe 120 at the bottom of the anoxic zone 100 and the aerator 220 at the bottom of the aerobic zone 200 are matched, so that in the aeration process, the first suspended filler 110 and the second suspended filler 210 are in a suspended state, various microorganisms and metazoans are attached and grown, a gas-liquid-solid stable composite ecological environment is formed in the biochemical reaction tank, the sludge discharge amount is effectively reduced, the sewage treatment efficiency and the sewage treatment effect are increased, meanwhile, the sludge in the secondary sedimentation tank 300 is refluxed to the anoxic zone 100 by the sludge refluxing module 310, so that suspended sludge and biofilm sludge coexist, the microbial biomass in the system can be far greater than that of a simple biofilm process or an activated sludge process, and in a low-temperature environment, the suspended fillers provide attachment growth conditions for long-cycle microorganisms, which are favorable for the growth of nitrifying bacteria and other microorganisms, and can provide effective growth conditions for the microorganisms under the low-temperature sludge treatment technology, and the problem that the nitrification process can not be carried out under the effective nitrification of the low-temperature biological activity of nitrification carrier can be solved; on the other hand, the first perforated aeration pipe 120 is arranged in the anoxic zone 100 for stirring, the sludge reflux module 310 introduces the return sludge of the secondary sedimentation tank of the anoxic zone 100, and the reflux mixed liquor introduced into the anoxic zone 100 by the mixed liquor reflux module 230 is fully mixed in the anoxic zone 100, under the anoxic condition, microorganisms utilize the carbon source in the inlet water for denitrification reaction, and TN in the reflux liquid is removed; and set up the micropore aerator 220 in the good oxygen district 200, provide oxygen for the microorganism grows through micropore aerator 220, the microorganism utilizes oxygen to get rid of the organic matter in the waste water, nitrobacteria produces nitrification and turns into nitrate nitrogen with the ammonia nitrogen in the waste water, the empty mixed liquid that cooperation mixed liquid backward flow module 230 adopted rises and flows back to anoxic zone 100, is favorable to going on of denitrification, reaches the technological effect of further improving the treatment effect and the treatment effeciency of equipment to low temperature sewage.
Specifically, the first suspended filler 110 and the second suspended filler 210 are suspended spherical fillers filled with polyurethane sponge fillers. The first suspended filler 110 and the second suspended filler 210 are set to be suspended spherical fillers filled with polyurethane sponge fillers, so that the microbial suspended fillers form a biological film, an anoxic and aerobic micro environment is formed inside and outside the biological film, and the denitrification reaction is promoted.
Specifically, the low-temperature sewage biochemical treatment equipment further comprises a housing, and the biochemical reaction tank, the secondary sedimentation tank 300, the flocculation sedimentation tank 400 and the clean water tank 500 are respectively arranged in the housing. Through setting up biochemical reaction pond, secondary sedimentation tank 300, flocculation and precipitation pond 400 and clean water basin 500 respectively in the casing for low temperature sewage biochemical treatment equipment can realize the integration and make processing, makes things convenient for processing, transportation and the use of equipment. Preferably, the mixed liquid reflux module 230 is a water pump or a gas stripping reflux.
Specifically, the top of the aerobic zone 200 is communicated with the secondary sedimentation tank 300 through the second water passing hole 240.
Specifically, the top of the secondary sedimentation tank 300 is provided with a first water inlet channel 320, the top of the aerobic zone 200 is communicated with the first water inlet channel 320 through the second water passing holes 240, the bottom of the first water inlet channel 320 is provided with at least one first water distribution hole 321, and the first water inlet channel 320 is communicated with the secondary sedimentation tank 300 through the first water distribution hole 321.
Specifically, a first water outlet channel 330 is arranged at the top of the secondary sedimentation tank 300, and the secondary sedimentation tank 300 is communicated with the flocculation sedimentation tank 400 through the first water outlet channel 330.
Specifically, the first inlet channel 320 is disposed near a side wall of the secondary sedimentation tank 300, and the first outlet channel 330 is disposed far from the first inlet channel 320 and near another side wall of the secondary sedimentation tank 300, so as to increase the retention time of the sewage in the secondary sedimentation tank 300 and improve the sedimentation effect.
Specifically, the first scum baffle 350 is further disposed on the water inlet side of the first water outlet channel 330, and the first scum baffle 350 is used for blocking the scum in the secondary sedimentation tank 300 from entering the first water outlet channel 330.
Specifically, the low-temperature sewage biochemical treatment equipment further comprises a mixing area 410, a flocculation area 420 and a first medicament adding module 810, the first water outlet channel 330 is communicated with the mixing area 410 through a third water passing hole 340, the bottom of the mixing area 410 is communicated with the bottom of the flocculation area 420 through a fourth water passing hole, the top of the flocculation area 420 is communicated with the flocculation sedimentation tank 400 through a fifth water passing hole 432, and the first medicament adding module 810 is used for adding an adsorbent or a disinfectant into the mixing area 410 and/or the flocculation sedimentation tank 400.
Specifically, a second water inlet channel 430 is arranged at the top of the flocculation tank 400, the top of the flocculation zone 420 is communicated with the second water inlet channel 430 through a fifth water through hole 432, at least one second water distribution hole 431 is arranged at the bottom of the second water inlet channel 430, and the second water inlet channel 430 is communicated with the flocculation tank 400 through the second water distribution hole 431.
Specifically, the low-temperature sewage biochemical treatment equipment further comprises a second agent adding module 820, and the second agent adding module 820 is used for adding a disinfectant to the clean water tank 500.
Specifically, a second water outlet channel 440 is arranged at the top of the flocculation sedimentation tank 400, and the flocculation sedimentation tank 400 is communicated with the clean water tank 500 through the second water outlet channel 440.
Preferably, the flocculation sedimentation tank 400 adopts an inclined tube sedimentation tank, when the water temperature is high in summer, the front end biochemical reaction tank has a good treatment effect, the coagulation sedimentation tank 400 is only used as a phosphorus removal tank, PAC and PAM are added into the coagulation sedimentation tank 400 through the first medicament adding module 810, and SS and TP in wastewater are removed; when the temperature is lower in winter, the treatment efficiency of the biochemical reaction tank is reduced due to the reduction of the water temperature, an inorganic adsorbent is put into the mixing zone 410 through the first agent adding module 810, and the adsorbent can adsorb and remove part of COD, ammonia nitrogen and TP in the mixing zone 410 and the coagulating sedimentation tank 400 and is used as supplement of biochemical treatment in high-cold high-altitude areas, so that the treatment efficiency can be further improved, and the standard discharge is ensured; in addition, through setting up clean water basin 500 at coagulating sedimentation pond 400 rear end, throw with module 820 through the second medicament and throw with sodium hypochlorite as disinfectant in clean water basin 500, winter, when the temperature is lower, can improve sodium hypochlorite and throw with the volume, take place the breakpoint chlorination reaction in clean water basin 500, can get rid of partial ammonia nitrogen, further guarantee that waste water treatment is up to standard, realize that the clean water basin goes out the water and discharge up to standard.
It should be noted that the first drug adding module 810 and the second drug adding module 820 are both existing drug adding equipment.
Specifically, the second inlet channel 430 is disposed near a side wall of the flocculation sedimentation tank 400, and the second outlet channel 440 is disposed far away from the first inlet channel 430 and near another side wall of the flocculation sedimentation tank 400, so as to increase the retention time of the sewage in the flocculation sedimentation tank 400 and improve the flocculation sedimentation effect.
Specifically, a second scum baffle is further disposed on the water inlet side of the second water outlet channel 440, and the second scum baffle is used for blocking the scum in the flocculation sedimentation tank 400 from entering the second water outlet channel 440.
Specifically, the second outlet channel 440 is communicated with the bottom of the clean water basin 500 through an outlet pipe 450.
Specifically, an equipment room 800 is further disposed in the housing, and the first medicament adding module 810 and the second medicament adding module 820 are disposed in the equipment room 800 respectively.
Specifically, a blower 830 is further provided in the equipment room 800, and the first perforated aeration pipe 120 and the aerator 220 are respectively communicated with the blower 830. Preferably, the bottom of the mixing zone 410 is provided with a second perforated aeration pipe 411 communicated with the blower 830, and aeration is performed through the second perforated aeration pipe 411, so that sewage and the medicament in the mixing zone 410 can be conveniently and fully mixed.
Specifically, the aerobic zone 200 is provided with a protection net for protecting the input end of the mixed liquid reflux module 230. Preferably, the protective mesh is a stainless steel mesh.
Specifically, the first water through hole 130, the second water through hole 240, the third water through hole 340, the fourth water through hole, and/or the fifth water through hole 432 are provided with a filter screen; preferably, the screen is a stainless steel screen.
Specifically, still be provided with flocculation basin mud pipe 460 on the casing, flocculation basin mud pipe 460 and the bottom intercommunication of flocculation and precipitation pond 400.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a low temperature sewage biochemical treatment equipment, its characterized in that includes feed liquor pipe, drain pipe, mud backward flow module, mixes liquid backward flow module and biochemical reaction pond, two heavy ponds, flocculation and precipitation pond and the clean water basin that communicates in proper order, biochemical reaction pond includes anoxic zone and aerobic zone, anoxic zone bottom is through first water hole and aerobic zone bottom intercommunication, the input and the aerobic zone intercommunication of mixed liquid backward flow module, the output and the anoxic zone intercommunication of mixed liquid backward flow module, anoxic zone bottom are provided with the perforation aeration pipe, are equipped with first suspension filler in the anoxic zone, aerobic zone bottom is provided with the aerator, is equipped with second suspension filler in the aerobic zone, the input and the two heavy ponds intercommunication of mud backward flow module, the output and the anoxic zone intercommunication of mud backward flow module, feed liquor pipe and anoxic zone intercommunication, the drain pipe and clean water basin intercommunication.
2. The biochemical treatment equipment for low-temperature sewage according to claim 1, wherein the first suspended filler and the second suspended filler are suspended spherical fillers filled with polyurethane sponge fillers.
3. The biochemical treatment equipment for low-temperature sewage according to claim 1, further comprising a housing, wherein the biochemical reaction tank, the secondary sedimentation tank, the flocculation sedimentation tank and the clean water tank are respectively arranged in the housing.
4. The biochemical treatment apparatus for low-temperature sewage according to any one of claims 1 to 3, wherein the top of the aerobic zone is communicated with the secondary sedimentation tank through a second water passage hole.
5. The biochemical low-temperature sewage treatment equipment as claimed in claim 4, wherein the top of the secondary sedimentation tank is provided with a first water inlet channel, the top of the aerobic zone is communicated with the first water inlet channel through a second water through hole, the bottom of the first water inlet channel is provided with at least one first water distribution hole, and the first water inlet channel is communicated with the secondary sedimentation tank through the first water distribution hole.
6. The biochemical treatment equipment for low-temperature sewage according to any one of claims 1 to 3, wherein a first water outlet channel is arranged at the top of the secondary sedimentation tank, and the secondary sedimentation tank is communicated with the flocculation sedimentation tank through the first water outlet channel.
7. The low-temperature sewage biochemical treatment equipment according to claim 6, further comprising a mixing zone, a flocculation zone and a first reagent adding module, wherein the first water outlet channel is communicated with the mixing zone through a third water through hole, the bottom of the mixing zone is communicated with the bottom of the flocculation zone through a fourth water through hole, the top of the flocculation zone is communicated with the flocculation sedimentation tank through a fifth water through hole, and the first reagent adding module is used for adding an adsorbent or a disinfectant into the mixing zone and/or the flocculation sedimentation tank.
8. The biochemical treatment equipment for low-temperature sewage according to claim 7, wherein the flocculation sedimentation tank is provided with a second water inlet channel at the top, the top of the flocculation area is communicated with the second water inlet channel through a fifth water through hole, the bottom of the second water inlet channel is provided with at least one second water distribution hole, and the second water inlet channel is communicated with the flocculation sedimentation tank through the second water distribution hole.
9. The low-temperature sewage biochemical treatment equipment according to any one of claims 1 to 3, further comprising a second agent adding module for adding a disinfectant to the clean water tank.
10. The biochemical treatment equipment for low-temperature sewage according to any one of claims 1 to 3, wherein a second water outlet channel is arranged at the top of the flocculation sedimentation tank, and the flocculation sedimentation tank is communicated with the clean water tank through the second water outlet channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221821260.1U CN217535767U (en) | 2022-07-15 | 2022-07-15 | Low-temperature sewage biochemical treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221821260.1U CN217535767U (en) | 2022-07-15 | 2022-07-15 | Low-temperature sewage biochemical treatment equipment |
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| CN217535767U true CN217535767U (en) | 2022-10-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116477761A (en) * | 2023-04-19 | 2023-07-25 | 四川阿坝州兴蓉环境有限公司 | A method for acclimating and cultivating microorganisms in sewage treatment in high-altitude and low-temperature areas |
| CN118026417A (en) * | 2024-04-11 | 2024-05-14 | 四川发展环境科学技术研究院有限公司 | Urban sewage treatment device with coupling of nitrification and anaerobic ammonia oxidation |
| CN118666447A (en) * | 2024-06-19 | 2024-09-20 | 中铁第一勘察设计院集团有限公司 | Integrated IFAS sewage treatment equipment and method suitable for small sites in low-temperature areas |
-
2022
- 2022-07-15 CN CN202221821260.1U patent/CN217535767U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116477761A (en) * | 2023-04-19 | 2023-07-25 | 四川阿坝州兴蓉环境有限公司 | A method for acclimating and cultivating microorganisms in sewage treatment in high-altitude and low-temperature areas |
| CN116477761B (en) * | 2023-04-19 | 2025-09-19 | 四川阿坝州兴蓉环境有限公司 | Sewage treatment microorganism domestication culture method for high-altitude low-temperature area |
| CN118026417A (en) * | 2024-04-11 | 2024-05-14 | 四川发展环境科学技术研究院有限公司 | Urban sewage treatment device with coupling of nitrification and anaerobic ammonia oxidation |
| CN118666447A (en) * | 2024-06-19 | 2024-09-20 | 中铁第一勘察设计院集团有限公司 | Integrated IFAS sewage treatment equipment and method suitable for small sites in low-temperature areas |
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