CN112681481A - Domestic sewage treatment device based on water quantity dynamic regulation - Google Patents
Domestic sewage treatment device based on water quantity dynamic regulation Download PDFInfo
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- CN112681481A CN112681481A CN202011353448.3A CN202011353448A CN112681481A CN 112681481 A CN112681481 A CN 112681481A CN 202011353448 A CN202011353448 A CN 202011353448A CN 112681481 A CN112681481 A CN 112681481A
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Abstract
The invention discloses domestic sewage treatment equipment based on dynamic water quantity adjustment, and relates to the technical field of domestic sewage treatment. In the invention: the lower side end of the high-level sewage inlet pipe is connected with a sewage detection inlet pipe, and the outlet end of the clear water pressure supply mechanism is connected with a pressure supply main pipe; a multi-way control valve is arranged on the downstream port side of the pressure supply main pipe; the multi-way control valve is independently connected with a clear water direct leading-in pipe and a backflow stamping leading-in pipe, and the downstream ports of the sewage detection leading-in pipe and the clear water direct leading-in pipe are connected to a uniform mixing mechanism together. The sewage detection and purification device disclosed by the invention has the advantages that the incoming sewage is subjected to turbidity sensing detection through the sewage detection lead-in pipe, the sewage is synchronously and linearly introduced into the clean water direct lead-in pipe to supply clean water, the sewage and the quantified clean water are uniformly mixed and stirred by the uniform mixing mechanism and then are discharged to the long-distance sewage discharge pipeline, the influence of the existing high-density sewage and wastewater on the sewage discharge capacity of the long sewage discharge pipeline is solved, and the cost for maintaining the sewage discharge pipeline is reduced.
Description
Technical Field
The invention belongs to the technical field of domestic sewage treatment, and particularly relates to domestic sewage treatment equipment based on dynamic water quantity adjustment.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
In the process of conducting waste water in life, production and the like, the waste water which is too turbid or has large stain degree moves forwards in a long waste water pipeline, the sewage waste water such as turbid sewage, oil stain and the like with large density is easy to adhere to the inner wall of the pipeline compared with the sewage waste water with low density, the sewage discharge capacity of a sewage discharge transmission pipeline is easy to reduce, and a large amount of manpower and material resources are needed to be used for overhauling the long-distance sewage discharge pipeline and causing troubles.
Aiming at the influence of the high-density sewage and wastewater on the sewage discharge capability of a longer sewage discharge pipeline, the cost for maintaining the sewage discharge pipeline is reduced, and the problem to be solved in the sewage discharge process of current life, production and the like is solved.
Disclosure of Invention
The invention aims to provide domestic sewage treatment equipment based on dynamic water quantity adjustment, wherein incoming sewage is subjected to turbidity sensing detection through a sewage detection leading-in pipe, and is synchronously and linearly introduced into a clear water direct leading-in pipe to supply clear water, a uniform mixing mechanism is adopted to uniformly mix and stir the sewage and the quantified clear water and then discharge the sewage and the quantified clear water to a long-distance sewage drainage pipeline, the turbidity, the density and the like of the sewage transmitted in a long distance are reduced, the influence of the existing high-density sewage and waste water on the sewage drainage capacity of the long sewage drainage pipeline is solved, and the cost for maintaining the sewage drainage pipeline is reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to domestic sewage treatment equipment based on water quantity dynamic regulation, which comprises a high-level sewage inlet pipe, wherein the lower side end of the high-level sewage inlet pipe is connected with a sewage detection inlet pipe, and a water flow action sensing mechanism for sensing and monitoring a turbid water remaining action signal is configured on the high-level sewage inlet pipe; a high-level check valve positioned at the downstream direction of the water flow action sensing mechanism is arranged on the high-level sewage leading-in pipe; a sewage detection mechanism for sensing and monitoring the turbidity state of the sewage is arranged on the sewage detection leading-in pipe; a first water pressure sensing mechanism, a first flow monitoring mechanism and a first check valve are sequentially arranged on the sewage detection leading-in pipe, wherein the first water pressure sensing mechanism is positioned on the downstream of the sewage detection mechanism and used for sensing and monitoring the conduction water pressure of sewage, the first flow monitoring mechanism is used for monitoring the real-time water flow of the sewage, and the first check valve is used for preventing the sewage from flowing back.
A clear water pressure supply mechanism with one end connected with a clear water supply pipeline is arranged in the treatment equipment; the outlet end of the clear water pressure supply mechanism is connected with a pressure supply main pipe; a multi-way control valve is arranged on the downstream port side of the pressure supply main pipe; the multi-way control valve is independently connected with a clear water direct lead-in pipe and a backflow stamping lead-in pipe; the clean water direct-introducing pipe is sequentially provided with a first branch water pressure sensing mechanism for sensing and monitoring the water pressure of clean water in the clean water direct-introducing pipe, a first branch flow monitoring mechanism for sensing and monitoring the real-time clean water flow in the clean water direct-introducing pipe and a first branch check valve for preventing water flow in the clean water direct-introducing pipe from flowing back; the backflow stamping leading-in pipe is sequentially provided with a second branch water pressure sensing mechanism for sensing and monitoring the water pressure of clean water in the backflow stamping leading-in pipe and a second branch check valve for preventing the clean water in the backflow stamping leading-in pipe from flowing back; the downstream port of the backflow stamping ingress pipe is communicated with the upstream pipeline of the sewage detection ingress pipe.
The downstream ports of the sewage detection inlet pipe and the clear water direct inlet pipe are connected to a uniform mixing mechanism; the uniform mixing mechanism is provided with a uniform liquid discharge pipeline, and the uniform liquid discharge pipeline is provided with a drainage control valve. A plurality of uniform mixing cavities are arranged in the uniform mixing mechanism, and uniform mixing stirring blades are arranged in each uniform mixing cavity; the inner wall of each uniform mixing cavity in the uniform mixing mechanism is provided with two downstream curved surfaces which are centrosymmetric about a rotating shaft rod connected with the uniform mixing stirring blades; the inner wall of the uniform mixing cavity at the position of the non-edge side is provided with two slow flow curved surfaces which are centrosymmetric about a rotating shaft rod connected with the uniform mixing stirring blades; a slow flow curved surface is arranged on the inner wall side of the uniform mixing cavity communicated with the sewage detection lead-in pipe; the opposite side wall of the uniform mixing cavity communicated with the uniform liquid discharge pipeline is provided with a slow flow curved surface.
As a preferred technical solution of the present invention, the water flow action sensing mechanism employs a photoelectric sensor or a corresponding sensor capable of detecting the passage of water flow.
As a preferred technical scheme of the invention, a pair of thread bulge mounting pipes positioned on one diameter direction of a pipe body of the sewage detection leading-in pipe are arranged on the sewage detection leading-in pipe; the thread bulge mounting pipe is communicated with the inner cavity of the pipeline of the sewage detection leading-in pipe.
As a preferred technical scheme of the invention, the sewage detection mechanism comprises a photoelectric signal transmitting mechanism for transmitting a photoelectric signal and a photoelectric signal receiving mechanism for receiving the photoelectric signal; thread structures are arranged on the peripheral shells of the photoelectric signal transmitting mechanism and the photoelectric signal receiving mechanism and on the inner wall of the thread protrusion mounting pipe;
the photoelectric signal transmitting mechanism is installed in one of the thread bulge installation pipes in a threaded manner; the photoelectric signal receiving mechanism is arranged in the other threaded convex mounting pipe in a threaded manner.
As a preferred technical solution of the present invention, the multi-way control valve includes a first branch passage valve and a second branch passage valve which are independent of each other; the first branch passage valve is disposed at an upstream port of the clear water direct introduction pipe, and the second branch passage valve is disposed at an upstream port of the return ram introduction pipe.
As a preferable technical scheme of the invention, the communication position of the backflow stamping lead-in pipe and the sewage detection lead-in pipe is positioned between the high-level check valve and the sewage detection mechanism.
As a preferred technical scheme of the invention, all the mixing stirring blades in the mixing mechanism rotate in the same direction in a coaxial driving mode; the driving rotating shafts of all the mixing stirring blades in the mixing mechanism are connected to a power output part of a power driving device.
A driving and controlling system of domestic sewage treatment equipment based on water quantity dynamic regulation comprises a main processing controller which is used for receiving processing signals and controlling the signals in the equipment, wherein the driving and controlling system comprises a uniform mixing processing system and a backflow pressure measuring system;
the homogeneous mixing processing system comprises the following contents:
in the first step, after sewage enters a high-level sewage inlet pipe, a water flow action sensing mechanism on the high-level sewage inlet pipe detects a sewage inlet signal and transmits the signal to a main processing controller, and the main processing controller drives a sewage detection mechanism, a first water pressure sensing mechanism and a first flow monitoring mechanism on the sewage detection inlet pipe to electrify to act by taking the signal as a system trigger signal;
a sewage detection mechanism carries out sensing detection on the turbidity of the sewage conducted on the sewage detection lead-in pipe and transmits real-time turbidity information of the sewage in the sewage detection lead-in pipe to a main processing controller; the first water pressure sensing mechanism senses and detects the real-time water pressure of the sewage in the sewage detection guide-in pipe and transmits the water pressure information to the main treatment controller; the first flow monitoring mechanism carries out sensing detection on the real-time flow of the sewage in the sewage detection guide-in pipe and transmits the water quantity information to the main treatment controller;
after the water flow action sensing mechanism detects a sewage inlet signal, the main processing controller drives a first branch passage valve in the multi-path control valve to be opened, the clear water pressure supply mechanism is electrified to act, and the clear water is directly led into the first branch water pressure sensing mechanism and the first branch flow monitoring mechanism on the pipe to act;
correspondingly adjusting the clear water pressure on the clear water direct introduction pipe by the main treatment controller according to the sewage pressure information on the sewage detection introduction pipe until the clear water pressure in the clear water direct introduction pipe is the same as the sewage pressure on the sewage detection introduction pipe, and entering the uniform mixing mechanism at the same water pressure;
step five, the main treatment controller correspondingly adjusts the amount of clean water on the direct clean water inlet pipe according to the sewage flow information and the sewage turbidity information on the sewage detection inlet pipe;
wherein, the main treatment controller is internally preset with a sewage turbidity standard parameter of unit sewage and unit clear water mixed in equal ratio as lambda; setting the sewage flow on the sewage detection inlet pipe as delta W, setting the current sewage turbidity value as theta, and setting the flow of clear water required to be injected into the uniform mixing mechanism by the current clear water direct inlet pipe as delta Q:
clear water flow rate Δ Q ═ (θ/λ) ·Δw;
during the process of injecting the clean water into the uniform mixing mechanism, accumulating the water quantity of the clean water to be injected under the condition that the water pressure of the clean water in the clean water direct introduction pipe is ensured to be the same as the water pressure of the sewage on the sewage detection introduction pipe, and continuously injecting the clean water into the uniform mixing mechanism in an isobaric state;
step six, synchronously rotating a plurality of uniform mixing stirring blades in the uniform mixing mechanism to mix and stir the sewage and the clean water entering the uniform mixing cavity, and discharging uniformly mixed liquid from a uniform liquid discharge pipeline on the side of the uniform mixing cavity at the tail side after mixing and stirring for corresponding time according to the total amount of the currently injected sewage and clean water;
(II) the backflow pressure measurement system comprises the following contents:
in the first step, under the conditions of no sewage introduction and no mixing in the uniform mixing mechanism, a first branch passage valve is closed, a second branch passage valve is opened, and a drainage control valve on a uniform liquid discharge pipeline is opened;
in the second step, the clear water pressure supply mechanism performs staged water supply test on the backflow stamping leading-in pipe;
when the second branch water pressure sensing mechanism and the first water pressure sensing mechanism can detect water pressure information, the first stage water supply test is completed, and the water pressure information corresponding to the marks is stored;
after the first-stage water supply pressure sensing detection is finished, the second-stage water supply test is continued, pressurized water supply is continued, the second branch water pressure sensing mechanism and the first water pressure sensing mechanism continuously perform water pressure detection, the water pressure information of the second branch water pressure sensing mechanism and the water pressure information of the first branch water pressure sensing mechanism are contrasted and analyzed, and the pipeline blockage condition in the current sewage detection lead-in pipe is judged.
In the second stage water supply testing process, the water pressure information detected by the second branch water pressure sensing mechanism is Px, and the water pressure information detected by the first water pressure sensing mechanism is Py; and judging the pipe blockage condition in the current sewage detection leading-in pipe according to the change of the dynamic water pressure difference value delta P.
And in the second stage water supply testing process, the water pressure information detected by the second branch water pressure sensing mechanism is Px, the water pressure information detected by the first branch water pressure sensing mechanism is Py, a water pressure dynamic coefficient delta lambda is Py/Px, and the current pipeline blockage condition in the sewage detection leading-in pipe is judged according to the change of the water pressure dynamic coefficient delta lambda.
The invention has the following beneficial effects:
1. the sewage detection and introduction pipe is used for carrying out turbidity sensing detection on the entering sewage, and synchronously and linearly introducing clean water into the direct introduction pipe for supplying clean water, the uniform mixing mechanism is adopted for uniformly mixing the sewage and the quantified clean water and then discharging the mixed water to the long-distance sewage drainage pipeline, the turbidity, the density and the like of the sewage transmitted in a long distance are reduced, the influence of the existing high-density sewage and waste water on the sewage drainage capacity of the long-distance sewage drainage pipeline is solved, and the cost for maintaining the sewage drainage pipeline is reduced;
2. the invention can test the pipeline circulation capacity of the sewage detection lead-in pipe at regular intervals or during the quantitative discharge by arranging the backflow stamping lead-in pipe, and simultaneously realizes the cleaning of the sewage detection lead-in pipe and the uniform mixing mechanism during the test, thereby ensuring the long-term stable use effect of the device.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a domestic sewage treatment apparatus based on dynamic regulation of water amount according to the present invention;
FIG. 2 is a schematic structural view of a sewage detection mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of the mixing mechanism of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-high sewage leading-in pipe; 2-water flow action sensing mechanism; 3-high check valve; 4-sewage detection leading-in pipe, 41-thread bulge mounting pipe, and 42-internal position sealing ring; 5-sewage detection mechanism, 51-photoelectric signal emission mechanism, 52-photoelectric signal receiving mechanism; 6-a first water pressure sensing mechanism; 7-a first flow monitoring mechanism; 8-a first check valve; 9-a uniform mixing mechanism, 91-a uniform mixing cavity, 92-a uniform mixing stirring blade, 93-a downstream curved surface and 94-a slow flow curved surface; 10-clear water pressure supply mechanism; 11-a pressure supply manifold; 12-multiple control valve, 121-first branch passage valve, 122-second branch passage valve; 13-a direct clear water inlet pipe, 131-a first branch water pressure sensing mechanism, 132-a first branch flow monitoring mechanism, 133-a first branch check valve; 14-a backflow stamping lead-in pipe, 141-a second branch water pressure sensing mechanism and 142-a second branch check valve; 15-uniform liquid discharge pipeline, 151-drainage control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, 2 and 3, the present invention relates to a domestic sewage treatment apparatus based on dynamic water amount adjustment.
The treatment equipment comprises a high-level sewage inlet pipe 1, a sewage detection inlet pipe 4 is connected to the lower side end of the high-level sewage inlet pipe 1, a water flow action sensing mechanism 2 used for sensing and monitoring turbid water to leave an action signal is configured on the high-level sewage inlet pipe 1, the water flow action sensing mechanism 2 adopts a photoelectric sensor or a corresponding sensor capable of detecting water flow passing through, and a high-level check valve 3 located in the downstream direction of the water flow action sensing mechanism 2 is configured on the high-level sewage inlet pipe 1.
The sewage detection leading-in pipe 4 is provided with a pair of thread protrusion mounting pipes 41 which are positioned on one diameter direction of the pipe body of the sewage detection leading-in pipe 4; the thread protrusion mounting pipe 41 is communicated with the inner cavity of the pipeline of the sewage detection leading-in pipe 4, the sewage detection mechanism 5 used for sensing and monitoring the turbidity state of sewage is configured on the sewage detection leading-in pipe 4, the sewage detection mechanism 5 comprises a photoelectric signal transmitting mechanism 51 used for transmitting photoelectric signals and a photoelectric signal receiving mechanism 52 used for receiving the photoelectric signals, the photoelectric signal transmitting mechanism 51, the peripheral shell of the photoelectric signal receiving mechanism 52 is provided with a thread structure on the inner wall of the thread protrusion mounting pipe 41, the photoelectric signal transmitting mechanism 51 is installed in one thread protrusion mounting pipe 41 in a threaded manner, and the photoelectric signal receiving mechanism 52 is installed in the other thread protrusion mounting pipe 41 in a threaded manner.
The sewage detection leading-in pipe 4 is sequentially provided with a first water pressure sensing mechanism 6, a first flow monitoring mechanism 7 and a first check valve 8, wherein the first water pressure sensing mechanism 6 is positioned at the downstream of the sewage detection mechanism 5 and used for sensing and monitoring the conduction water pressure of the sewage, the first flow monitoring mechanism 7 is used for monitoring the real-time water flow of the sewage, and the first check valve 8 is used for preventing the sewage from flowing back.
The treatment equipment is internally provided with a clear water pressure supply mechanism 10 with one end connected with a clear water supply pipeline, the outlet end of the clear water pressure supply mechanism 10 is connected with a pressure supply main pipe 11, the downstream port side of the pressure supply main pipe 11 is provided with a multi-way control valve 12, the multi-way control valve 12 is internally provided with a first branch passage valve 121 and a second branch passage valve 122 which are mutually independent, the first branch passage valve 121 is arranged at the upstream port of the clear water direct leading-in pipe 13, and the second branch passage valve 122 is arranged at the upstream port of the backflow stamping leading-in pipe 14.
The multi-way control valve 12 is independently connected with a clear water direct leading-in pipe 13 and a backflow stamping leading-in pipe 14, and the communication position of the backflow stamping leading-in pipe 14 and the sewage detection leading-in pipe 4 is positioned between the high-position check valve 3 and the sewage detection mechanism 5.
The clean water direct-introducing pipe 13 is sequentially provided with a first branch water pressure sensing mechanism 131 for sensing and monitoring the water pressure of the clean water in the clean water direct-introducing pipe 13, a first branch flow monitoring mechanism 132 for sensing and monitoring the real-time clean water flow in the clean water direct-introducing pipe 13, and a first branch check valve 133 for preventing the water flow in the clean water direct-introducing pipe 13 from flowing back.
The return ram inlet pipe 14 is provided with a second branch water pressure sensing mechanism 141 for sensing and monitoring the water pressure of the clean water in the return ram inlet pipe 14 and a second branch check valve 142 for preventing the return of the clean water in the return ram inlet pipe 14 in sequence, and the downstream port of the return ram inlet pipe 14 is communicated with the upstream pipe of the sewage detection inlet pipe 4.
The downstream ports of the sewage detection inlet pipe 4 and the clear water direct inlet pipe 13 are connected to a uniform mixing mechanism 9; the homogenizing and mixing mechanism 9 is provided with a homogenizing and discharging pipeline 15, and a drainage control valve 151 is arranged on the homogenizing and discharging pipeline 15.
It is provided with a plurality of all cavities 91 of mixing in the mechanism 9 all to mix, all disposes in every all cavities 91 of mixing and all mixes stirring leaf 92, and all the stirring leaf 92 of mixing in the mechanism 9 of mixing all adopt coaxial drive's mode to carry out the equidirectional rotation, and all the drive shafts of all the stirring leaf 92 of mixing in the mechanism 9 of mixing all are connected on a power drive unit's power take off part jointly.
Every cavity 91 inner wall that all mixes in the mechanism 9 that all mixes is equipped with two down-flow curved surfaces 93 for central symmetry about the pivot pole that all mixes stirring leaf 92 and connect, and the cavity 91 inner wall that all mixes of non-avris position is equipped with about two slow flow curved surfaces 94 for central symmetry about the pivot pole that all mixes stirring leaf 92 and connect, and the cavity 91 inner wall side that all mixes that sewage detection induction pipe 4 communicates is provided with a slow flow curved surface 94, and the contralateral wall that the cavity 91 that all mixes that all liquid discharge tube 15 communicates is provided with a slow flow curved surface 94.
Example two
The invention relates to a driving and controlling system of domestic sewage treatment equipment based on dynamic water quantity regulation, which comprises a main processing controller, a mixing processing system and a backflow pressure measuring system, wherein the main processing controller is used for receiving processing signals and controlling the signals in the equipment;
the homogeneous mixing processing system comprises the following contents:
in the first step, after sewage enters the high-level sewage inlet pipe 1, the water flow action sensing mechanism 2 on the high-level sewage inlet pipe 1 detects a sewage inlet signal and transmits the signal to the main processing controller, and the main processing controller drives the sewage detection mechanism, the first water pressure sensing mechanism 6 and the first flow monitoring mechanism 7 on the sewage detection inlet pipe 4 to be electrified to act by taking the signal as a system trigger signal;
in the second step, the sewage detection mechanism 5 carries out sensing detection on the turbidity of the sewage conducted on the sewage detection inlet pipe 4 and transmits real-time turbidity information of the sewage in the sewage detection inlet pipe 4 to the main processing controller; the first water pressure sensing mechanism 6 senses and detects the real-time water pressure of the sewage in the sewage detection lead-in pipe 4 and transmits the water pressure information to the main processing controller; the first flow monitoring mechanism 7 carries out sensing detection on the real-time flow of the sewage in the sewage detection lead-in pipe 4 and transmits the water quantity information to the main treatment controller;
in the third step, after the water flow action sensing mechanism 2 detects a sewage inlet signal, the main processing controller drives the first branch passage valve 121 in the multi-path control valve 12 to open, the clear water pressure supply mechanism 10 is powered on to act, and the first branch water pressure sensing mechanism 131 and the first branch flow monitoring mechanism 132 on the clear water direct introduction pipe 13 are powered on to act;
step four, the main treatment controller correspondingly adjusts the clear water pressure on the clear water direct introduction pipe 13 according to the sewage pressure information on the sewage detection introduction pipe 4 until the clear water pressure in the clear water direct introduction pipe 13 is the same as the sewage pressure on the sewage detection introduction pipe 4, and the clear water enters the uniform mixing mechanism 9 at the same water pressure;
step five, the main treatment controller correspondingly adjusts the amount of the clean water on the direct clean water inlet pipe 13 according to the sewage flow information and the sewage turbidity information on the sewage detection inlet pipe 4;
wherein, the main treatment controller is internally preset with a sewage turbidity standard parameter of unit sewage and unit clear water mixed in equal ratio as lambda; setting the sewage flow on the sewage detection inlet pipe 4 as delta W, setting the current sewage turbidity value as theta, and setting the flow of the clean water required to be injected into the uniform mixing mechanism 9 by the current clean water direct inlet pipe 13 as delta Q: the clear water flow rate Δ Q ═ θ/λ · Δ W.
During the process of injecting the clean water into the uniform mixing mechanism 9, under the condition that the water pressure of the clean water in the clean water direct introduction pipe 13 is ensured to be the same as the water pressure of the sewage on the sewage detection introduction pipe 4, accumulating the water quantity of the clean water to be injected, and keeping the equal pressure state to continuously inject the clean water into the uniform mixing mechanism 9;
and in the sixth link, a plurality of uniform mixing stirring blades 92 in the uniform mixing mechanism 9 synchronously rotate to mix the sewage and the clean water entering the uniform mixing cavity 91, and after mixing and stirring corresponding time according to the total amount of the currently injected sewage and clean water, the uniform liquid is discharged from the uniform liquid discharge pipeline 15 on the side of the uniform mixing cavity 91 at the tail side and is uniformly mixed.
(II) the backflow pressure measurement system comprises the following contents:
in the first step, under the conditions of no sewage introduction and no mixing in the uniform mixing mechanism 9, the first branch passage valve 121 is closed, the second branch passage valve 122 is opened, and the drainage control valve 151 on the uniform liquid drainage pipeline 15 is opened;
in the second step, the clear water pressure supply mechanism 10 performs a staged water supply test on the backflow stamping leading-in pipe 14;
during the first stage water supply test, the clear water pressure supply mechanism 10 continuously supplies water to the backflow stamping lead-in pipe 14, and when the second branch water pressure sensing mechanism 141 and the first water pressure sensing mechanism 6 can detect water pressure information, the first stage water supply test is completed, and the corresponding water pressure information is stored and marked;
after the first-stage water supply pressure sensing detection is completed, the second-stage water supply test is continued, the pressurized water supply is continued, the second branch water pressure sensing mechanism 141 and the first water pressure sensing mechanism 6 continuously perform water pressure detection, the water pressure information of the second branch water pressure sensing mechanism 141 and the first water pressure sensing mechanism 6 is contrasted and analyzed, and the current pipeline blockage condition in the sewage detection lead-in pipe 4 is judged.
The first discrimination method comprises the following steps of difference discrimination: in the second stage water supply test process, the water pressure information detected by the second branch water pressure sensing mechanism 141 is Px, the water pressure information detected by the first water pressure sensing mechanism 6 is Py, and a water pressure dynamic difference value Δ P is Px-Py.
The first discrimination method comprises the following steps of quotient discrimination: in the second stage water supply test process, the water pressure information detected by the second branch water pressure sensing mechanism 141 is Px, the water pressure information detected by the first water pressure sensing mechanism 6 is Py, and the dynamic coefficient Δ λ of water pressure exists as Py/Px.
In the description herein, references to the terms "embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a domestic sewage treatment device based on water yield dynamic adjustment, treatment facility include high-order sewage inlet tube (1), and the downside end of high-order sewage inlet tube (1) is connected with sewage detection inlet tube (4), its characterized in that:
a water flow action sensing mechanism (2) for sensing and monitoring a turbid water remaining action signal is arranged on the high-level sewage leading-in pipe (1);
a high-level check valve (3) positioned at the downstream direction of the water flow action sensing mechanism (2) is arranged on the high-level sewage leading-in pipe (1);
a sewage detection mechanism (5) for sensing and monitoring the state of sewage turbidity is arranged on the sewage detection leading-in pipe (4);
a first water pressure sensing mechanism (6) which is positioned at the downstream of the sewage detection mechanism (5) and is used for sensing and monitoring the conduction water pressure of the sewage, a first flow monitoring mechanism (7) which is used for monitoring the real-time water flow of the sewage and a first check valve (8) which is used for preventing the sewage from flowing back are sequentially arranged on the sewage detection leading-in pipe (4);
a clear water pressure supply mechanism (10) with one end connected with a clear water supply pipeline is arranged in the treatment equipment;
the outlet end of the clear water pressure supply mechanism (10) is connected with a pressure supply main pipe (11);
a multi-way control valve (12) is arranged on the downstream port side of the pressure supply main pipe (11);
the multi-way control valve (12) is independently connected with a clear water direct lead-in pipe (13) and a backflow stamping lead-in pipe (14);
the clean water direct-introducing pipe (13) is sequentially provided with a first branch water pressure sensing mechanism (131) for sensing and monitoring the water pressure of clean water in the clean water direct-introducing pipe (13), a first branch flow monitoring mechanism (132) for sensing and monitoring the real-time clean water flow in the clean water direct-introducing pipe (13) and a first branch check valve (133) for preventing the water flow in the clean water direct-introducing pipe (13) from flowing back;
a second branch water pressure sensing mechanism (141) for sensing and monitoring the water pressure of clean water in the backflow stamping leading-in pipe (14) and a second branch check valve (142) for preventing the clean water in the backflow stamping leading-in pipe (14) from flowing back are sequentially arranged on the backflow stamping leading-in pipe (14);
the downstream port of the backflow stamping inlet pipe (14) is communicated with the upstream pipeline of the sewage detection inlet pipe (4);
downstream ports of the sewage detection inlet pipe (4) and the clear water direct inlet pipe (13) are connected to a uniform mixing mechanism (9) together;
the uniform mixing mechanism (9) is provided with a uniform liquid discharge pipeline (15), and the uniform liquid discharge pipeline (15) is provided with a drainage control valve (151);
a plurality of uniform mixing cavities (91) are arranged in the uniform mixing mechanism (9), and a uniform mixing stirring blade (92) is arranged in each uniform mixing cavity (91);
the inner wall of each uniform mixing cavity (91) in the uniform mixing mechanism (9) is provided with two downstream curved surfaces (93) which are centrosymmetric about a rotating shaft rod connected with the uniform mixing stirring blades (92);
the inner wall of the mixing cavity (91) at the non-edge side is provided with a slow flow curved surface (94) which is symmetrical about the two rotating shaft rods connected with the mixing stirring blades (92) as the center;
a slow flow curved surface (94) is arranged on the inner wall side of the uniform mixing cavity (91) communicated with the sewage detection lead-in pipe (4);
a slow flow curved surface (94) is arranged on the side wall of the opposite side of the uniform mixing cavity (91) communicated with the uniform liquid discharge pipeline (15).
2. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 1, wherein:
the water flow action sensing mechanism (2) adopts a photoelectric sensor or a corresponding sensor capable of detecting the passing of water flow.
3. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 1, wherein:
a pair of thread protrusion mounting pipes (41) which are positioned on one diameter direction of the body of the sewage detection leading-in pipe (4) are arranged on the sewage detection leading-in pipe (4);
the thread bulge mounting pipe (41) is communicated with the inner cavity of the pipeline of the sewage detection leading-in pipe (4).
4. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 3, wherein:
the sewage detection mechanism (5) comprises a photoelectric signal emitting mechanism (51) for emitting a photoelectric signal and a photoelectric signal receiving mechanism (52) for receiving the photoelectric signal;
thread structures are arranged on the peripheral shells of the photoelectric signal transmitting mechanism (51) and the photoelectric signal receiving mechanism (52) and on the inner wall of the thread protrusion mounting pipe (41);
the photoelectric signal transmitting mechanism (51) is installed in one of the thread protrusion installation pipes (41) in a threaded manner;
the photoelectric signal receiving mechanism (52) is installed in the other threaded protruding installation tube (41) in a threaded mode.
5. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 1, wherein:
the multi-path control valve (12) comprises a first branch passage valve (121) and a second branch passage valve (122) which are independent of each other;
the first branch passage valve (121) is disposed at an upstream port of the direct fresh water introduction pipe (13), and the second branch passage valve (122) is disposed at an upstream port of the return ram introduction pipe (14).
6. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 1, wherein:
the communication position of the backflow stamping leading-in pipe (14) and the sewage detection leading-in pipe (4) is positioned between the high-position check valve (3) and the sewage detection mechanism (5).
7. The domestic sewage treatment device based on dynamic regulation of water amount according to claim 1, wherein:
all the mixing stirring blades (92) in the mixing mechanism (9) rotate in the same direction in a coaxial driving mode;
the driving rotating shafts of all the mixing stirring blades (92) in the mixing mechanism (9) are connected to a power output part of a power driving device.
8. The utility model provides a domestic sewage treatment device's driving and controlling system based on water yield dynamic adjustment, is used for receiving in the equipment to handle the signal and carry out signal control's main processing controller which characterized in that:
comprises a uniform mixing processing system and a backflow pressure measuring system;
the homogeneous mixing processing system comprises the following contents:
in the first step, after sewage enters a high-level sewage inlet pipe, a water flow action sensing mechanism on the high-level sewage inlet pipe detects a sewage inlet signal and transmits the signal to a main processing controller, and the main processing controller drives a sewage detection mechanism, a first water pressure sensing mechanism and a first flow monitoring mechanism on the sewage detection inlet pipe to electrify to act by taking the signal as a system trigger signal;
a sewage detection mechanism carries out sensing detection on the turbidity of the sewage conducted on the sewage detection lead-in pipe and transmits real-time turbidity information of the sewage in the sewage detection lead-in pipe to a main processing controller; the first water pressure sensing mechanism senses and detects the real-time water pressure of the sewage in the sewage detection guide-in pipe and transmits the water pressure information to the main treatment controller; the first flow monitoring mechanism carries out sensing detection on the real-time flow of the sewage in the sewage detection guide-in pipe and transmits the water quantity information to the main treatment controller;
after the water flow action sensing mechanism detects a sewage inlet signal, the main processing controller drives a first branch passage valve in the multi-path control valve to be opened, the clear water pressure supply mechanism is electrified to act, and the clear water is directly led into the first branch water pressure sensing mechanism and the first branch flow monitoring mechanism on the pipe to act;
correspondingly adjusting the clear water pressure on the clear water direct introduction pipe by the main treatment controller according to the sewage pressure information on the sewage detection introduction pipe until the clear water pressure in the clear water direct introduction pipe is the same as the sewage pressure on the sewage detection introduction pipe, and entering the uniform mixing mechanism at the same water pressure;
step five, the main treatment controller correspondingly adjusts the amount of clean water on the direct clean water inlet pipe according to the sewage flow information and the sewage turbidity information on the sewage detection inlet pipe;
wherein, the main treatment controller is internally preset with a sewage turbidity standard parameter of unit sewage and unit clear water mixed in equal ratio as lambda; setting the sewage flow on the sewage detection inlet pipe as delta W, setting the current sewage turbidity value as theta, and setting the flow of clear water required to be injected into the uniform mixing mechanism by the current clear water direct inlet pipe as delta Q:
clear water flow rate Δ Q ═ (θ/λ) ·Δw;
during the process of injecting the clean water into the uniform mixing mechanism, accumulating the water quantity of the clean water to be injected under the condition that the water pressure of the clean water in the clean water direct introduction pipe is ensured to be the same as the water pressure of the sewage on the sewage detection introduction pipe, and continuously injecting the clean water into the uniform mixing mechanism in an isobaric state;
step six, synchronously rotating a plurality of uniform mixing stirring blades in the uniform mixing mechanism to mix and stir the sewage and the clean water entering the uniform mixing cavity, and discharging uniformly mixed liquid from a uniform liquid discharge pipeline on the side of the uniform mixing cavity at the tail side after mixing and stirring for corresponding time according to the total amount of the currently injected sewage and clean water;
(II) the backflow pressure measurement system comprises the following contents:
in the first step, under the conditions of no sewage introduction and no mixing in the uniform mixing mechanism, a first branch passage valve is closed, a second branch passage valve is opened, and a drainage control valve on a uniform liquid discharge pipeline is opened;
in the second step, the clear water pressure supply mechanism performs staged water supply test on the backflow stamping leading-in pipe;
when the second branch water pressure sensing mechanism and the first water pressure sensing mechanism can detect water pressure information, the first stage water supply test is completed, and the water pressure information corresponding to the marks is stored;
after the first-stage water supply pressure sensing detection is finished, the second-stage water supply test is continued, pressurized water supply is continued, the second branch water pressure sensing mechanism and the first water pressure sensing mechanism continuously perform water pressure detection, the water pressure information of the second branch water pressure sensing mechanism and the water pressure information of the first branch water pressure sensing mechanism are contrasted and analyzed, and the pipeline blockage condition in the current sewage detection lead-in pipe is judged.
9. The driving and controlling system for domestic sewage treatment equipment based on dynamic water quantity regulation of claim 8, wherein:
and in the second stage water supply testing process, the water pressure information detected by the second branch water pressure sensing mechanism is Px, the water pressure information detected by the first branch water pressure sensing mechanism is Py, the dynamic water pressure difference value delta P is Px-Py, and the current pipeline blockage condition in the sewage detection leading-in pipe is judged according to the change of the dynamic water pressure difference value delta P.
10. The driving and controlling system for domestic sewage treatment equipment based on dynamic water quantity regulation of claim 8, wherein:
and in the second stage water supply testing process, the water pressure information detected by the second branch water pressure sensing mechanism is Px, the water pressure information detected by the first branch water pressure sensing mechanism is Py, a water pressure dynamic coefficient delta lambda is Py/Px, and the current pipeline blockage condition in the sewage detection leading-in pipe is judged according to the change of the water pressure dynamic coefficient delta lambda.
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