CN210001734U - Excrement collecting sewage recycling treatment device and system - Google Patents

Excrement collecting sewage recycling treatment device and system Download PDF

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Publication number
CN210001734U
CN210001734U CN201920616404.1U CN201920616404U CN210001734U CN 210001734 U CN210001734 U CN 210001734U CN 201920616404 U CN201920616404 U CN 201920616404U CN 210001734 U CN210001734 U CN 210001734U
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sewage
excrement collecting
pipe
excrement
collecting sewage
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蒋金辉
徐剑乔
史义雄
王松林
杜永新
王忠合
蒋淳玥
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model relates to an kind collection just sewage resourceful treatment device, which comprises a housin, the casing passes through the baffle to be separated for the upper aerobic reaction room and the lower floor anaerobic digestion room of mutual intercommunication, be equipped with corresponding biofilm carrier in the two rooms respectively, be equipped with sewage inlet tube and marsh gas collecting pipe on the anaerobic digestion room, be equipped with on the aerobic reaction room and purify the outlet pipe, aeration pipe and gas vent kind collection just sewage resourceful treatment system still relates to, including at least the foretell collection just sewage resourceful treatment device of cover.

Description

Excrement collecting sewage recycling treatment device and system
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to kinds of collection just sewage resourceful treatment device and system.
Background
The toilet of the ordinary-speed train in China is basically in a direct-discharge mode, namely excrement sewage is directly discharged from a running train compartment to the outside of the train body. In recent years, motor train unit trains are gradually popularized, and compared with traditional general speed trains, motor train unit train carriages are provided with excrement collecting facilities, and corresponding excrement collecting sewage is collected and discharged in a station in a centralized manner.
The present common train excrement collecting sewage treatment technology includes Anaerobic Baffled Reactor (ABR) process, SBR process, anaerobic biological filter (AF) process, Membrane Bioreactor (MBR) process, aeration biological fluidized bed process, etc. the above processes have simple structure, small occupied area, good treatment effect , and complex operation, for example, 201810150292.5 utility model provides high concentration sewage treatment system and treatment method, the system includes waste water storage tank, stage lift pump, stage flocculation reaction tank, stage vertical flow sedimentation tank, secondary lift pump, micro-electrolysis reactor, secondary flocculation reaction tank, secondary vertical flow sedimentation tank, biological aeration tank, and divides the treatment of excrement collecting sewage into nine large flows, which need to be operated simultaneously, and is not suitable for railway station.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an kinds of collection just sewage resourceful treatment device and system can solve prior art's partial defect at least.
The embodiment of the utility model provides an kinds of collection just sewage resourceful treatment device, which comprises a housin, the casing passes through the baffle and separates for the upper aerobic reaction room and the lower floor anaerobic digestion room of mutual intercommunication, is equipped with corresponding biofilm carrier respectively in two rooms, be equipped with sewage inlet tube and biogas collection pipe on the anaerobic digestion room, be equipped with on the aerobic reaction room and purify outlet pipe, aeration pipe and gas vent.
in an embodiment, the housing is at least partially buried underground.
, the device further comprises a greenhouse covering outside the housing, and an odor collecting pipe is arranged in the greenhouse covering.
in the embodiment, a decanter capable of automatically adjusting the decanting height along with the liquid level is arranged in the aerobic reaction chamber, and the purification water outlet pipe is connected with the decanter.
of embodiment, the decanter comprises a float and a flexible hose, wherein the float is provided with a water inlet hole, and the flexible hose is respectively connected with the inner cavity of the float and the purified water outlet pipe.
The embodiment of the utility model provides a still relate to kinds of collection just sewage resource processing system, include the biological treatment mechanism who is connected with collection just sewage inlet line, biological treatment mechanism includes at least sets as above collection just sewage resource processing apparatus.
, the biological treatment mechanism comprises a plurality of sets of excrement collecting and sewage recycling treatment devices connected in series.
According to , the biological treatment mechanism comprises a plurality of sets of excrement collecting sewage resource treatment devices connected in parallel, the excrement collecting sewage inlet pipeline comprises an excrement collecting sewage main pipe and a plurality of excrement collecting sewage branch pipes, and the excrement collecting sewage branch pipes are connected with the sewage inlet pipes in the same number and correspondingly.
in the embodiment, the excrement collecting sewage inlet pipeline is also provided with a sewage pretreatment mechanism.
of embodiment, the sewage pretreatment mechanism includes an anaerobic adjusting tank, a submersible sewage pump is arranged in the anaerobic adjusting tank, and each sewage inlet pipe is communicated with the submersible sewage pump.
The embodiment of the utility model provides a following beneficial effect has at least:
the utility model integrates the anaerobic digestion chamber and the aerobic reaction chamber, and can effectively reduce the occupied area of the treatment device while ensuring the effect of excrement collection and sewage treatment. The fillers are added in the anaerobic digestion chamber and the aerobic reaction chamber, so that the total amount of organisms in the two treatment chambers is greatly increased, and the treatment of high-concentration excrement collecting sewage is facilitated; biogas can be collected through the biogas collecting pipe, so that the recycling treatment of excrement collecting sewage is realized, and the economic benefit of the operation of the treatment device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a feces collection and sewage recycling device provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of an aerator pipe provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of anaerobic digestion chambers provided by an embodiment of the present invention;
fig. 4-fig. 6 are schematic structural views of three excrement collecting sewage recycling treatment systems provided by the embodiment of the utility model.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
Example
As shown in fig. 1, the embodiment of the present invention provides kinds of excrement collecting sewage recycling devices 1, which includes a casing 100, the casing 100 is separated into an upper aerobic reaction chamber 102 and a lower anaerobic digestion chamber 101 by a partition 103, the upper aerobic reaction chamber and the lower anaerobic digestion chamber are communicated with each other, the two chambers are respectively provided with a corresponding biological filler 114, the anaerobic digestion chamber 101 is provided with a sewage inlet pipe 105 and a biogas collecting pipe 106, and the aerobic reaction chamber 102 is provided with a purified water outlet pipe 107, an aeration pipe 113 and an exhaust port.
The housing 100 may have a cylindrical structure, a polygonal cylindrical structure, or the like. The housing 100 may be made of stainless steel, or may be a reinforced concrete or glass fiber reinforced plastic housing 100.
It is understood that the filler 114 disposed in the two chambers is used as a biological carrier, preferably a suspension filler 114, and may be polyethylene, polypropylene, polyurethane filler 114, etc., and the shape of the filler 114 may be a cross cylinder, a sphere, etc., although the filler 114 may be made of other materials or be made into other shapes as long as a larger specific surface area is satisfied.
In the anaerobic digestion chamber 101, anaerobic digestion bacteria are added to promote the anaerobic digestion reaction of the sewage to degrade most organic matters in the excrement-collecting sewage and generate methane, in the aerobic reaction chamber 102, can further degrade the organic matters in the sewage, and preferably, the sewage is promoted to carry out nitration reaction and denitrification reaction so as to realize denitrification, and correspondingly, nitrobacteria and denitrifying bacteria are added, wherein the nitration reaction is completed by the nitrobacteria attached to the outer layer of the filler 114 under the aerobic condition, and the denitrification is completed by the denitrifying bacteria in the filler 114 under the anoxic condition.
The excrement-collecting sewage enters the anaerobic digestion chamber 101 from the sewage inlet pipe 105 for anaerobic digestion reaction, and the sewage can enter the aerobic reaction chamber 102 from the anaerobic digestion chamber 101 for reaction because the lower anaerobic digestion chamber 101 is communicated with the upper aerobic reaction chamber 102. As shown in fig. 1, the anaerobic digestion chamber 101 and the aerobic reaction chamber 102 can be communicated through a conducting pipe 104, the bottom end of the conducting pipe 104 is preferably close to the bottom of the anaerobic digestion chamber 101, and the top end of the conducting pipe 104 is located above the bottom of the aerobic reaction chamber 102 (i.e. above the partition 103) and is preferably close to the bottom of the aerobic reaction chamber 102.
, screens (not shown) are provided in the conduit 104 near the inlet and near the outlet to separate the anaerobic digestion chamber 101 from the packing 114 in the aerobic reaction chamber 102, and the screens can be stainless steel screens.
, a conduction control valve 108 can be arranged on the conduction pipe 104 for controlling the communication state of the conduction pipe 104, and the conduction control valve 108 can be arranged at the top end of the conduction pipe 104. as shown in fig. 1, in of the embodiments, the conduction control valve 108 is a rubber ball with a diameter slightly larger than the inner diameter of the conduction pipe 104, the top of the rubber ball is connected with a control connecting rod, and the control connecting rod penetrates out of the top of the casing 100, so as to facilitate the opening and closing operation of the outlet end of the conduction pipe 104 through manual or automatic control.
The device 1 for recycling excrement collection sewage provided by the embodiment integrates the anaerobic digestion chamber 101 and the aerobic reaction chamber 102, so that the effect of treating the excrement collection sewage is ensured, and the floor area of the device 1 can be effectively reduced. The fillers 114 are added in the anaerobic digestion chamber 101 and the aerobic reaction chamber 102, so that the total amount of organisms in the two treatment chambers is greatly increased, and the treatment of high-concentration excrement collecting sewage is facilitated; biogas can be collected through the biogas collecting pipe 106, so that the recycling treatment of excrement collecting sewage is realized, and the economic benefit of the operation of the treatment device 1 is improved.
The structure of the excrement collecting and sewage recycling device 1 is connected, the biogas collecting pipe 106 is preferably provided with a biogas collecting control valve which can be an automatic valve or a manual valve , and is preferably an electromagnetic valve, so that the device is convenient for remote control, biogas can be gradually generated in the operation process of the anaerobic digestion chamber 101, the biogas is collected at the top of the anaerobic digestion chamber 101, and the biogas collecting control valve can be opened when the gas volume in the biogas collecting area at the top of the anaerobic digestion chamber 101 reaches a fixed value (or the liquid level in the anaerobic digestion chamber 101 is lower than a fixed value).
, a backflow prevention device, which may be check valves, may be disposed on the biogas collection pipe 106, and biogas is only discharged from the anaerobic digestion chamber 101 and cannot flow back into the anaerobic digestion chamber 101.
In step , a bypass pipe is provided in the biogas collection pipe 106, and a bypass control valve is provided in the bypass pipe, and a bypass point of the bypass pipe is positioned on an inlet side of the biogas collection control valve, so that air is accumulated at the top of the anaerobic digestion chamber 101 at the initial stage of operation of the anaerobic digestion chamber 101 and can be removed through the bypass pipe.
The aeration pipe 113 is used for aerating the aerobic reaction chamber 102 to provide oxygen required for the indoor reaction. Preferably, as shown in fig. 2, the aeration pipe 113 includes an aeration main pipe 1131, an aeration sub-pipe 1132 and an aeration branch pipe 1133: the main aeration pipe 1131 is arranged on the side wall of the aerobic reaction chamber 102 in a penetrating manner and is used for connecting with an external aeration source; a plurality of aeration secondary main pipes 1132 are provided, each aeration secondary main pipe 1132 is connected with the aeration main pipe 1131 to form an indoor aeration channel connected in parallel, for example, two aeration secondary main pipes 1132 are provided, and the two aeration secondary main pipes 1132 are arranged in parallel and are respectively arranged at two sides of the conduction pipe 104; each aeration sub-trunk 1132 is provided with a plurality of aeration branch pipes 1133, each aeration branch pipe 1133 is provided with a plurality of aeration holes 1134, and each aeration branch pipe 1133 is preferably vertically connected and communicated with the corresponding aeration sub-trunk 1132. By the aeration structure, uniform and sufficient aeration is realized in the aerobic reaction chamber 102, and the sewage treatment effect in the aerobic reaction chamber 102 is ensured. The aeration pipe 113 can be installed at the bottom of the aerobic reaction chamber 102 (i.e. installed on the partition 103) through an aeration support.
Continuing the structure of the excrement collecting sewage recycling device 1, a stirrer can be arranged in the anaerobic digestion chamber 101 to ensure that the excrement collecting sewage is in full contact with the filler 114 in the anaerobic digestion chamber 101, so that the anaerobic digestion reaction efficiency and effect are improved, the stirrer can be a conventional low-speed stirrer, as shown in figure 1, the bottom of the anaerobic reaction chamber is provided with a slope of to facilitate the collection of settled sludge in the anaerobic reaction chamber, a sludge collection pit can be arranged at the bottom of the anaerobic reaction chamber in the step , the sludge is guided into the sludge collection pit by the slope of the bottom of the anaerobic reaction chamber, a submersible sewage pump can be arranged in the sludge collection pit to discharge the sludge periodically or aperiodically, the discharged sludge can be recycled in the step , for example, when the content of organic matters in the sludge is higher, a microbial fuel cell and the like can be manufactured, and when the content of organic matters in the sludge is lower, the sludge can be concentrated and dehydrated to be manufactured into ecological fertilizer and the like.
In another embodiment, as shown in fig. 3, the inner cavity of the anaerobic digestion chamber 101 is divided into a plurality of digestion zones connected in sequence by a plurality of baffle walls 1012, and the sewage flows in the adjacent two digestion zones are respectively ascending and descending, wherein the sewage inlet pipe 105 is connected with the first digestion zone and the conducting pipe 104 is connected with the tail digestion zone. For example:
the wall surface of the baffling partition wall 1012 is a plane and is parallel to the vertical direction, digestion areas are sequentially arranged from left to right, the outlet end of the sewage inlet pipe 105 extends into the digestion area at the left end, and the bottom end of the conduction pipe 104 is positioned in the digestion area at the right end; the water inlet of the digestion zone is positioned on the left deflection partition 1012 and the water outlet thereof is positioned on the right deflection partition 1012;
preferably, the baffle walls 1012 are annular walls, and each baffle wall 1012 is sequentially sleeved (preferably coaxially sleeved), that is, each digestion area is an annular area and sequentially sleeved, the outlet end of the sewage inlet pipe 105 is located in the outermost digestion area, and the bottom end of the conduit 104 is located in the innermost digestion area. The water inlet of the digestion zone is located on its outer ring baffle wall 1012 and the water outlet of the digestion zone is located on its inner ring baffle wall 1012.
Of the two adjacent digestion zones, wherein digestion zones are upflow digestion zones and digestion zones are downflow digestion zones, it is apparent that, for the upflow digestion zones, their water inlets are located below their water outlets, their water inlets are formed at the lower/bottom ends of the corresponding side baffle walls 1012, and their water outlets are formed at the upper portions of the corresponding side baffle walls 1012, for the downflow digestion zones, their water inlets are located above their water outlets, their water inlets are formed at the upper/top ends of the corresponding side baffle walls 1012, and their water outlets are formed at the lower/bottom ends of the corresponding side baffle walls 1012, since the top of the anaerobic digestion chamber 101 is required as a biogas channel, it is required to have a spacing of between the top ends of the respective baffle walls 1012 and the top surface of the anaerobic digestion chamber 101, preferably, for the water passage, the baffle walls 1012 at the top/upper portions of the walls, which are directly disposed at the bottom of the anaerobic digestion chamber 101, and for the anaerobic digestion chamber 1012, which can be divided into three anaerobic digestion chambers 101 in this embodiment by mounting brackets on the side walls 101 or on the side walls 1012.
In this embodiment, the anaerobic digestion chamber 101 is divided into a plurality of digestion zones by the baffle wall 1012, and a baffle type anaerobic digestion zone in which the ascending flow and the descending flow of each digestion zone are alternately performed is formed, can prevent the sewage from forming a short flow in the anaerobic digestion chamber 101, thereby effectively improving the anaerobic digestion effect, and can impact the sludge at the bottom of the anaerobic digestion chamber 101 by the sewage, thereby improving the mixing effect of the sewage and the sludge, and further improving the anaerobic digestion effect.
preferably, as shown in fig. 3, the bottom of the baffle wall 1012 on the outlet side of the downflow digestion area is provided with a baffle plate 1013, and a guide channel tapering along the water outlet direction (i.e. the water passing area gradually decreases) is defined between the baffle plate 1013 and the bottom of the anaerobic digestion chamber 101. by providing the baffle plate 1013, a venturi structure can be formed, which can improve the impact effect of the sewage on the sludge at the bottom of the anaerobic digestion chamber 101, and is beneficial to the uniform mixing of the muddy water.
The bottom of the aerobic reaction chamber 102 is also preferably -shaped, so as to facilitate the collection of settled sludge in the aerobic reaction chamber 102. in this embodiment, the lowest point of the bottom of the aerobic reaction chamber 102 is located at the middle thereof, for example, the partition 103 is a tapered plate with a wide top and a narrow bottom, and the conducting pipe 104 is connected to the lowest point/bottom end of the aerobic reaction chamber 102/partition 103, so that the settled sludge collected at the bottom of the aerobic reaction chamber 102 can flow back into the anaerobic reaction chamber by gravity for circulation treatment, and no other power source is required, thereby effectively improving the treatment effect of the excrement-collecting sewage.
The structure of the excrement collecting sewage recycling device 1 is optimized through the step , as shown in fig. 1, a decanter 112 capable of automatically adjusting the decanting height according to the liquid level is arranged in the aerobic reaction chamber 102, and the purified water outlet pipe 107 is connected with the decanter 112. the aerobic reaction chamber 102 can be drained adaptively according to the liquid level by arranging the decanter 112, so that the sewage treatment effect and the effluent cleanliness are ensured.
, the structure of the device 1 is optimized, as shown in fig. 1, the shell 100 is at least partially buried underground, and can be a fully buried structure or a semi-buried structure, based on the buried structure, the shell 100 has good buffer effect to the outside climate change, can ensure the stability of the reaction temperature in the shell 100, especially in the cold season in the northern China and other areas, can effectively ensure the stable and reliable operation of the lower anaerobic fermentation reaction and the upper nitrification and denitrification reaction in the shell 100, reduce the heat preservation energy consumption needed by the excrement collection sewage treatment, and effectively reduce the occupied space of the device 1.
, an insulating layer can be laid on the outer wall of the shell 100 to improve the heat-insulating effect of the shell 100, and the insulating layer can be polyurethane foam, polystyrene board, etc.
, optimizing the structure of the device 1, as shown in fig. 1, the device 1 further comprises a greenhouse shed 110, the greenhouse shed 110 is covered outside the housing 100, and an odor collecting pipe 111 is arranged in the greenhouse shed 110. the greenhouse shed 110 can be a sunlight film-covered greenhouse, preferably a fully-closed steel structure and covered with a light-transmitting film, and odor generated in the aeration process in the aerobic reaction chamber 102 can be discharged into the greenhouse shed 110 through a top exhaust port and collected by the odor collecting pipe 111, so as to facilitate subsequent treatment and avoid secondary pollution, and by arranging the greenhouse shed 110, the stability of the reaction temperature in the housing 100 can be ensured, the stable and reliable operation of the anaerobic fermentation reaction at the lower layer and the nitrification and denitrification reaction at the upper layer in the housing 100 can be ensured, and particularly, on the basis of at least partial buried structure of the housing 100, the device 1 has higher treatment efficiency under different environments.
The operation method of the excrement collection sewage recycling device 1 is approximately as follows:
(1) method for culturing microbial community in aerobic reaction chamber 102 and anaerobic digestion chamber 101
Injecting low-flow excrement-collecting sewage into the anaerobic digestion chamber 101 through the sewage inlet pipe 105 to cause the liquid level in the anaerobic digestion chamber to gradually rise, wherein the suspended filler 114 in the anaerobic digestion chamber 101 is pushed by water flow to freely float and drift in the sewage, after the whole anaerobic digestion chamber 101 is filled with the sewage, the redundant sewage enters the aerobic reaction chamber 102 through the stainless steel pipeline, the suspended filler 114 in the corresponding aerobic reaction chamber 102 is pushed by water flow to freely float and drift in the sewage, when the liquid level in the aerobic reaction chamber 102 reaches fixed height, the aeration pipe 113 positioned at the bottom of the aerobic reaction chamber 102 starts to aerate the aerobic reaction chamber 102, after the liquid level in the aerobic reaction chamber 102 reaches the water inlet height of the decanter 112, the sewage enters the water outlet pipe to be discharged, the water outlet amount is gradually increased along with the continuous rise of the liquid level in the aerobic reaction chamber 102, and finally, the inflow rate and the outflow rate are achieved, and the device achieves dynamic balance and keeps the working condition to.
In order to shorten the microbial community culture time, sludge in other stably operated excrement collecting sewage resource treatment devices 1 or local sewage plants can be directly utilized and mixed with excrement collecting sewage and then injected into the shell 100, the valve of the sewage inlet pipe 105 and the purification outlet pipe 107 of the device is closed after the shell 100 is filled, methane in the anaerobic digestion chamber 101 can be smoothly discharged, the aerobic reaction chamber 102 is continuously aerated, the valve of the sewage inlet pipe 105 and the purification outlet pipe 107 is opened after 24 hours, low-flow inlet water and low-flow outlet water are kept, then the inlet flow is gradually increased according to the quality of the outlet water until the device is operated at full load, and the microbial community culture of the aerobic reaction chamber 102 and the anaerobic digestion chamber 101 is completed at the moment.
(2) Control and management method after stable operation of device
When the device runs stably, the flow of the sewage inlet pipe 105 is equal to that of the purified water outlet pipe 107, the retention time of excrement collecting sewage in the anaerobic digestion chamber 101 and the aerobic reaction chamber 102 of the device meets the degradation of corresponding pollutants, biogas is collected at the top in the anaerobic digestion chamber 101 and is collected through the biogas collecting pipe 106, the other end of the biogas collecting pipe 106 is connected with a biogas collecting device, the pressure in the device is constant and is slightly lower than the biogas pressure in the anaerobic digestion chamber 101, so that the biogas in the anaerobic digestion chamber 101 can slowly enter the biogas collecting device, the aerobic reaction chamber 102 continuously discharges aeration, and the treated sewage is discharged in a self-flowing mode through the decanter 112.
(3) According to different water inlet and outlet requirements, the excrement collecting sewage recycling treatment device 1 can also be additionally provided with a link of standing and precipitating, namely after the aeration in the aerobic reaction chamber 102 of the device is finished, the stirring in the anaerobic digestion chamber 101 and the aeration in the aerobic reaction chamber 102 are stopped, so that the sludge in the anaerobic digestion chamber 101 and the sludge in the aerobic reaction chamber 102 are naturally precipitated, the sludge in the aerobic reaction chamber 102 can enter the anaerobic digestion chamber 101 through a stainless steel pipeline, the residual sludge in the anaerobic digestion chamber 101 can be discharged through a submersible sewage pump in the anaerobic digestion chamber, and the amount of the sludge flowing back from the aerobic reaction chamber 102 to the anaerobic digestion chamber 101 can be controlled by adjusting the opening degree and the opening time of the conduction control valve 108 during the standing and precipitating.
Example two
As shown in fig. 4-6, the present embodiment provides kinds of excrement collecting sewage recycling system, which includes a biological treatment mechanism connected to an excrement collecting sewage inlet pipeline, wherein the biological treatment mechanism includes at least sets of excrement collecting sewage recycling device 1 according to , and the specific structure of the excrement collecting sewage recycling device 1 is omitted here.
In this embodiment, collection just sewage resource processing apparatus 1 has many sets, and many sets of collection just sewage resource processing apparatus 1 can series connection operation also can parallelly connected operation, designs according to the actual collection just sewage condition:
(1) as shown in fig. 5, the biological treatment mechanism comprises a plurality of sets of excrement collecting sewage recycling treatment devices 1 connected in series, namely, two sets of excrement collecting sewage recycling treatment devices 1 connected adjacently, wherein sets of purified water outlet pipes 107 of the excrement collecting sewage recycling treatment devices 1 are connected with sets of sewage inlet pipes 105 of the excrement collecting sewage recycling treatment devices 1.
The excrement collecting sewage is sequentially treated by the plurality of sets of excrement collecting sewage resource treatment devices 1, the removal rate of pollutants in the sewage can be improved, the treatment effect of the excrement collecting sewage is ensured, the treated water body can reach the discharge standard, and the structure is particularly suitable for treating the high-concentration excrement collecting sewage and the excrement collecting sewage with high nitrogen and phosphorus content.
(2) As shown in FIG. 6, the biological treatment mechanism comprises a plurality of sets of excrement collecting sewage resource treatment devices 1 which are connected in parallel, the excrement collecting sewage inlet pipeline comprises an excrement collecting sewage main pipe and a plurality of excrement collecting sewage branch pipes, the quantity of the excrement collecting sewage branch pipes is the same as that of the sewage inlet pipes 105, and the excrement collecting sewage branch pipes are correspondingly connected, the plurality of sets of excrement collecting sewage resource treatment devices 1 are adopted to run in parallel, sequential effluent is realized, and the sewage treatment capacity and the treatment efficiency of the excrement collecting sewage resource treatment system can be effectively improved.
In a preferred embodiment, the system further comprises a sewage pretreatment mechanism provided on the excrement collection sewage inlet pipe for pretreating the excrement collection sewage before the excrement collection sewage enters the excrement collection sewage recycling device 1 for treatment, so that the treatment load of the excrement collection sewage recycling device 1 can be reduced and the effect of treating the excrement collection sewage can be effectively improved.
In embodiments, as shown in fig. 4, the sewage pretreatment mechanism comprises an anaerobic adjusting tank 2, a submersible sewage pump is arranged in the anaerobic adjusting tank 2, each sewage inlet pipe 105 is communicated with the submersible sewage pump, the anaerobic adjusting tank 2 is used for carrying out anaerobic adjusting treatment on excrement-collecting sewage, so that the average amount of the sewage is equalized, a buffering effect is achieved, the pacing between the sewage flow and the treatment amount of the biological treatment mechanism is coordinated, and the stable and reliable operation of the system is ensured, the anaerobic adjusting tank 2 is preferably of a cuboid structure, a hot water circulating pipe is arranged in the tank and is connected with a boiler room, two low-speed stirrers are arranged in the anaerobic adjusting tank 2 for preventing sludge settlement, three rectangular transparent glass fiber reinforced plastic cover plates are arranged at the top of the anaerobic adjusting tank 2, and two submersible sewage pumps are arranged at the positions of bottom water outlet pipes.
A greenhouse shed can also be arranged outside the anaerobic adjusting tank 2, and the structure of the greenhouse shed is the same as that of the greenhouse shed in the above embodiment , and the details are not described here.
Of course, the sewage pretreatment mechanism is not limited to the anaerobic adjusting tank 2, such as a grit chamber, a flocculation tank, etc., and will not be described in detail in .
The anaerobic adjusting tank 2 can be connected with sets of excrement collecting sewage recycling treatment devices 1, can also be connected with a plurality of sets of excrement collecting sewage recycling treatment devices 1 in series connection type biological treatment mechanisms, or can be connected with a plurality of sets of excrement collecting sewage recycling treatment devices 1 in parallel connection type biological treatment mechanisms, and is determined according to actual production conditions.
Obviously, the biological treatment means may be followed by a subsequent step of wastewater treatment, such as membrane treatment, fenton oxidation treatment, etc.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

  1. The device for recycling excrement-collecting sewage of varieties is characterized by comprising a shell, wherein the shell is divided into an upper aerobic reaction chamber and a lower anaerobic digestion chamber which are communicated with each other through a partition board, corresponding biological fillers are respectively arranged in the upper aerobic reaction chamber and the lower anaerobic digestion chamber, a sewage inlet pipe and a biogas collecting pipe are arranged on the anaerobic digestion chamber, and a purification water outlet pipe, an aeration pipe and an exhaust port are arranged on the aerobic reaction chamber.
  2. 2. The excrement collecting sewage resource treatment device according to claim 1, wherein: the housing is at least partially buried underground.
  3. 3. An excrement collecting sewage resource treatment device according to claim 1 or 2, wherein: still include the greenhouse canopy, the greenhouse canopy cover is located outside the casing, in be equipped with the foul smell collecting pipe in the greenhouse canopy.
  4. 4. The excrement collecting sewage resource treatment device according to claim 1, wherein: a decanter capable of automatically adjusting the decanting height along with the liquid level is arranged in the aerobic reaction chamber, and the purification water outlet pipe is connected with the decanter.
  5. 5. The excrement collecting sewage resource treatment device according to claim 4, wherein: the decanter comprises a float bowl and a flexible hose, wherein the float bowl is provided with a water inlet hole, and the flexible hose is respectively connected with the inner cavity of the float bowl and the purified water outlet pipe.
  6. A recycling treatment system for excrement collecting sewage of types, comprising a biological treatment mechanism connected with an excrement collecting sewage inlet pipeline, characterized in that the biological treatment mechanism comprises at least sets of excrement collecting sewage recycling treatment devices as claimed in any of claims 1 to 5.
  7. 7. The excrement collecting sewage resource treatment system of claim 6, wherein: the biological treatment mechanism comprises a plurality of sets of excrement collecting and sewage recycling treatment devices which are connected in series.
  8. 8. The system for recycling excrement collecting sewage as recited in claim 6, wherein said biological treatment mechanism comprises a plurality of sets of excrement collecting sewage recycling devices connected in parallel, said excrement collecting sewage inlet pipeline comprises an excrement collecting sewage main pipe and a plurality of excrement collecting sewage branch pipes, and said excrement collecting sewage branch pipes are connected with said sewage inlet pipes in the same number and are connected with correspondingly.
  9. 9. The system of items in any one of claims 6-8, wherein the inlet pipeline is further provided with a sewage pre-treatment mechanism.
  10. 10. The excrement collecting sewage resource treatment system of claim 9, wherein: the sewage pretreatment mechanism comprises an anaerobic adjusting tank, a submersible sewage pump is arranged in the anaerobic adjusting tank, and each sewage inlet pipe is communicated with the submersible sewage pump.
CN201920616404.1U 2019-04-30 2019-04-30 Excrement collecting sewage recycling treatment device and system Active CN210001734U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112175788A (en) * 2020-08-26 2021-01-05 德州职业技术学院(德州市技师学院) Facultative-aerobic microbe coexisting fermentation tank
CN112209570A (en) * 2020-10-09 2021-01-12 黄冈师范学院 Biogas air screen cultivation wastewater treatment system and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112175788A (en) * 2020-08-26 2021-01-05 德州职业技术学院(德州市技师学院) Facultative-aerobic microbe coexisting fermentation tank
CN112209570A (en) * 2020-10-09 2021-01-12 黄冈师范学院 Biogas air screen cultivation wastewater treatment system and device

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