CN217297497U - Combined pretreatment system - Google Patents
Combined pretreatment system Download PDFInfo
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- CN217297497U CN217297497U CN202221280901.7U CN202221280901U CN217297497U CN 217297497 U CN217297497 U CN 217297497U CN 202221280901 U CN202221280901 U CN 202221280901U CN 217297497 U CN217297497 U CN 217297497U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The embodiment of the application provides a combined pretreatment system, and belongs to the technical field of sewage treatment. The combined pretreatment system comprises a coarse grating well, an adjusting tank, a fine grating well and a rotational flow grit chamber, wherein the coarse grating well is used for removing impurities and floaters in sewage, and the coarse grating well is communicated with the adjusting tank; the adjusting tank is used for adjusting the water quantity and the water quality of the sewage, the adjusting tank is communicated with the fine grating well, the fine grating well is used for removing fine impurities and floating objects in the sewage, the water outlet end of the fine grating well is connected with the water inlet end of the rotational flow grit chamber, and the rotational flow grit chamber is used for settling gravel in the sewage; at least two of the coarse grid well, the adjusting tank, the fine grid well and the rotational flow grit chamber are distributed at intervals in the vertical direction, and the combined pretreatment system further comprises a power assembly which is used for realizing the transmission of sewage in the vertical direction. The combined pretreatment system can make the spatial layout more reasonable, and saves the floor area of the combined pretreatment system.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a combined pretreatment system.
Background
The pretreatment unit of the sewage treatment plant is a treatment facility which is set according to the requirements of the subsequent treatment process on the water quality before the sewage enters the traditional sedimentation, biological treatment and the like, and the pretreatment unit is the throat of the sewage treatment plant. At present, the existing pretreatment units are dispersedly constructed and independently arranged, and are generally suitable for the design of water plants with large scale and large planning area; however, for water plants with small scale, small floor space and poor geological conditions, the pretreatment units are constructed dispersedly, which causes problems of high cost and crowded arrangement of water plants.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a combined type pretreatment system, which can enable the spatial layout of the combined type pretreatment system to be more reasonable, and saves the floor area of the combined type pretreatment system.
The embodiment of the application provides a combined pretreatment system, which comprises a coarse grating well, an adjusting tank, a fine grating well and a rotational flow grit chamber, wherein the coarse grating well, the adjusting tank, the fine grating well and the rotational flow grit chamber are sequentially connected, the coarse grating well is connected with a water inlet end for flowing in sewage, a coarse grating is arranged in the coarse grating well and used for removing impurities and floating objects in the sewage, and the coarse grating well is communicated with the adjusting tank; the adjusting tank is used for adjusting the water quantity and the water quality of the sewage, the adjusting tank is communicated with a fine grid well, a fine grid is arranged in the fine grid well and used for removing fine impurities and floating objects in the sewage, the water outlet end of the fine grid well is connected with the water inlet end of the rotational flow grit chamber, and the rotational flow grit chamber is used for settling gravel in the sewage; wherein, at least two in thick grid well, equalizing basin, thin grid well and the whirl grit chamber are at vertical direction interval distribution, and modular pretreatment system still includes power component, and power component is used for realizing the transmission of sewage vertical direction.
In this scheme, pending sewage flows in the thick grid well, and thick grid carries out the coarse screening to sewage, gets rid of and flows in the equalizing basin behind great impurity and the floater, and the equalizing basin carries out the quenching and tempering to sewage, then the sewage after the quenching and tempering gets into the thin grid well, tiny impurity and floater in the sewage can be got rid of to the thin grid well, and the grit in the sewage can be deposited to the whirl grit chamber, thereby realize the preliminary treatment to sewage, reduced follow-up secondary treatment unit's the processing degree of difficulty. More importantly, at least two of the coarse grid well, the adjusting tank, the fine grid well and the rotational flow grit chamber in the combined pretreatment system are distributed in the vertical direction, so that compared with the existing distributed independent distribution, the occupied area of each treatment unit in the combined pretreatment system is saved, and the spatial layout of the combined pretreatment system is more reasonable. And utilize power component can realize the transmission of sewage in vertical direction to make combined type pretreatment system's area less, be applicable to very much that area is restricted, place geological conditions are relatively poor and the little pretreatment system of sewage treatment station of scale uses.
In some embodiments, the fine grid well and the cyclone grit chamber are vertically positioned on a first plane and are arranged adjacent to each other, the first plane is positioned above the ground, and the coarse grid well and the adjusting tank are both positioned below the ground; the power assembly comprises a first lifting pump, the first lifting pump is arranged in the regulating tank, and the first lifting pump is communicated with the fine grid well through a pipeline.
Among the above-mentioned technical scheme, set up above ground through each processing unit part with among the combination formula pretreatment systems, some processing units set up below ground, vertical reasonable distribution promptly, compare in the distributed independent distribution of current each processing unit, each processing unit area on the horizontal plane among the combination formula pretreatment systems has been practiced thrift, make combination formula pretreatment systems's spatial layout more reasonable, and utilize among the power component first elevator pump alright with in promoting the sewage in the equalizing basin to the thin grid well that is located above-mentioned ground, the transmission of sewage in vertical direction has been realized.
In some embodiments, the adjusting tank is located on a second plane, the coarse grid well and the lifting water tank are located on a third plane and are arranged adjacently, and the first plane, the second plane and the third plane are sequentially distributed from top to bottom in the vertical direction; the power assembly further comprises a lifting water pool and a second lifting pump, the lifting water pool and the second lifting pump are located on the third plane, the water outlet end of the coarse grid well is communicated with the lifting water pool, the second lifting pump is arranged in the lifting water pool, and the second lifting pump is communicated with the adjusting pool through a pipeline.
In the technical scheme, the underground coarse grating well, the lifting water pool and the regulating pool are divided into two layers, the treatment units in the combined pretreatment system are totally designed in a three-layer type, the fine grid well and the rotational flow grit chamber are positioned above the ground, the adjusting tank is positioned at the underground layer, the coarse grid well and the lifting water tank are positioned at two underground layers, a second lifting pump in the lifting water tank can lift the sewage in the lifting water tank into the regulating tank, the first lifting pump in the adjusting tank can lift the sewage into the fine grid well, so that the first lifting pump and the second lifting pump in the power assembly can realize the transmission and circulation of the sewage in the vertical direction, the combined pretreatment system occupies a smaller area, and is very suitable for the pretreatment system of the sewage treatment station with limited occupied area, poorer site geological conditions and small scale.
In some embodiments, the modular pretreatment system further comprises a water inlet well positioned at the third plane, the water inlet well being in communication with the sewer pipe, the water inlet well having a blowdown end flowing into the coarse grid well.
Among the above-mentioned technical scheme, be provided with the intake well through the front end at thick grid well, the intake well can play certain temporary storage effect to the sewage that the sewer pipe flows out, is convenient for real-time control to flow in the sewage volume of thick grid well to in order to guarantee the treatment effect of follow-up pretreatment system to sewage.
In some embodiments, the blowdown end of the intake well is provided with a closable gate.
Among the above-mentioned technical scheme, through setting up the gate at the blowdown end department of well of intaking, utilize the gate to control the switching of blowdown end to in the well of intaking sewage controllable flow direction thick grid well, be convenient for the control of the well interior sewage of intaking.
In some embodiments, the modular pretreatment system further comprises a power distribution bay for providing power to the modular pretreatment system, the power distribution bay being located in the first plane.
Among the above-mentioned technical scheme, through being provided with the distribution room subaerial, the distribution room can enough guarantee to each processing unit power supply among the combination formula pretreatment systems, also is convenient for simultaneously staff to the routine maintenance of distribution room.
In some embodiments, the combined pretreatment system further comprises a water quality monitoring room, the water quality monitoring room is connected with the water inlet end of the coarse grating well so as to monitor the water quality of the inlet water of the sewage plant, and the water quality monitoring room is located on the first plane.
Among the above-mentioned technical scheme, through being provided with water quality monitoring at the thick grid well end of intaking, can carry out real-time supervision to sewage factory's quality of water of intaking to can be convenient for carry out corresponding regulation to pretreatment systems according to the quality of water condition of sewage, so that the quality of water of its sewage satisfies the default.
In some embodiments, the upper part of each of the coarse grid well and the fine grid well is covered with a deodorizing cover which is communicated with a deodorizing device for purifying waste gas.
Among the above-mentioned technical scheme, be provided with the deodorization cover through the top at thick grid well and thin grid well, the deodorization cover can prevent effectively that the foul smell is excessive, and the deodorization cover still is connected with deodorizing device to arrange deodorizing device with deodorizing cover's air, deodorizing device collects the processing to the foul smell.
In some embodiments, the inner wall of the top of the lifting pool is provided with a liquid level meter linked with the second lifting pump.
Among the above-mentioned technical scheme, still be provided with a level gauge through on the roof inner wall in the promotion pond, because level gauge and second elevator pump linkage, when the sewage volume in the level gauge detection promotion pond reached the default, start the second elevator pump and load sewage in the equalizing basin, can play automatic control and promote the pond.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a cross-sectional view of a modular pretreatment system provided in accordance with certain embodiments of the present application;
FIG. 2 is a floor plan of the subsurface of the ground in a modular pre-treatment system according to some embodiments of the present application;
FIG. 3 is a floor plan of a modular pre-treatment system according to some embodiments of the present application;
FIG. 4 is a schematic flow diagram of a combined pre-processing system according to some embodiments of the present disclosure.
An icon: 10-a water inlet well; 20-coarse grid wells; 30-lifting the water tank; 31-a second lift pump; 40-a regulating reservoir; 50-fine grid wells; 60-cyclone grit chamber; 70-water quality monitoring room; 80-distribution room; 90-floor drain; 91-deodorizing cover; 92-house.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. 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 description of the present application, it is further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
The embodiment of the application provides a combined pretreatment system, please refer to fig. 1 to 4, the combined pretreatment system comprises a coarse grating well 20, an adjusting tank 40, a fine grating well 50 and a cyclone grit chamber 60 which are connected in sequence, the coarse grating well 20 is connected with a water inlet end for flowing in sewage, a coarse grating is arranged in the coarse grating well 20 for removing impurities and floaters in the sewage, and the coarse grating well 20 is communicated with the adjusting tank 40; the adjusting tank 40 is used for adjusting the water quantity and the water quality of the sewage, the adjusting tank 40 is communicated with the fine grid well 50, a fine grid is arranged in the fine grid well 50 and used for removing fine impurities and floating objects in the sewage, the water outlet end of the fine grid well 50 is connected with the water inlet end of the rotational flow grit chamber, and the rotational flow grit chamber 60 is used for settling gravel in the sewage; wherein, at least two of the coarse grid well 20, the adjusting tank 40, the fine grid well 50 and the cyclone grit chamber 60 are distributed at intervals in the vertical direction, and the combined pretreatment system further comprises a power assembly for realizing the transmission of the sewage in the vertical direction.
In this scheme, pending sewage flows into thick grid well 20, and thick grid carries out the coarse screening to sewage, get rid of and flow into equalizing basin 40 behind great impurity and the floater in, equalizing basin 40 carries out the quenching and tempering to sewage, then sewage after the quenching and tempering gets into thin grid well 50, tiny impurity and floater in the sewage can be got rid of to thin grid well 50, and whirl grit chamber 60 can deposit the gravel in the sewage, thereby realize the preliminary treatment to sewage, the processing degree of difficulty of follow-up secondary treatment unit has been reduced. More importantly, at least two of the coarse grid well 20, the adjusting tank 40, the fine grid well 50 and the cyclone grit chamber 60 in the combined pretreatment system are distributed in the vertical direction, so that compared with the existing distributed independent distribution, the occupied area of each treatment unit in the combined pretreatment system is saved, and the spatial layout of the combined pretreatment system is more reasonable. And utilize power component can realize the transmission of sewage in vertical direction to make combined type pretreatment system's area less, be applicable to very much that area is restricted, place geological conditions is relatively poor and the little pretreatment system of sewage treatment station of scale uses.
Wherein at least two of the coarse grid well 20, the adjusting tank 40, the fine grid well 50 and the cyclone grit chamber 60 are distributed at intervals in the vertical direction, it can be understood that the coarse grid well 20, the adjusting tank 40, the fine grid well 50 and the cyclone grit chamber 60 can be divided into a multi-layer design, for example, two layers or three layers; that is, the coarse grating well 20, the adjusting tank 40, the fine grating well 50 and the cyclone grit chamber 60 may be divided into two layers in the vertical direction, or may be divided into three layers in the vertical direction, that is, the coarse grating well 20, the adjusting tank 40, the fine grating well 50 and the cyclone grit chamber 60 may be on different planes in the vertical direction.
It should be noted that the adjusting tank 40 can balance the inflow amount and quality of the sewage, and reduce the variation coefficient of the sewage secondary and advanced treatment design.
Optionally, the fine grid well 50 and the cyclone grit chamber 60 are located on a first plane in the vertical direction and are arranged adjacent to each other, the first plane is located above the ground, and the coarse grid well 20 and the adjusting tank 40 are located below the ground; the power assembly includes a first lift pump disposed within the conditioning tank 40 and communicated through the pipe fine grate well 50.
Through setting up each processing unit part in the combination formula pretreatment systems above ground, some processing units set up below ground, vertical reasonable distribution promptly, compare in the distributed independent distribution of current each processing unit, each processing unit area on the horizontal plane in the combination formula pretreatment systems has been practiced thrift, make the spatial layout of combination formula pretreatment systems more reasonable, and utilize among the power component first elevator pump alright with the sewage in the equalizing basin 40 promote to be located in the above-ground fine grid well 50, the transmission of sewage in vertical direction has been realized.
In some embodiments, the adjusting tank 40 is located on a second plane, the coarse grid well 20 and the lifting water tank 30 are located on a third plane and are adjacently arranged, and the first plane, the second plane and the third plane are sequentially distributed from top to bottom in the vertical direction; the power assembly further comprises a lifting water tank 30 and a second lifting pump 31 which are positioned on the third plane, the water outlet end of the thick grating well 20 is communicated with the lifting water tank 30, the second lifting pump 31 is arranged in the lifting water tank 30, and the second lifting pump 31 is communicated with the adjusting tank 40 through a pipeline.
By subdividing the underground coarse grid well 20, the lift pond 30 and the conditioning pond 40 into a two-layer design, that is, each processing unit in the combined pretreatment system is totally designed in a three-layer type, the fine grid well 50 and the rotational flow grit chamber are positioned above the ground, the adjusting tank 40 is positioned at the underground layer, and the thick grating well 20 and the lifting water pool 30 are located at two underground layers, the second lifting pump 31 in the lifting water pool 30 can lift the sewage in the lifting water pool 30 to the regulating pool 40, and the first lift pump in the adjusting tank 40 can lift the sewage into the fine grid well 50, so that the transmission and circulation of the sewage in the vertical direction can be realized by using the first lift pump and the second lift pump 31 in the power assembly, the combined pretreatment system occupies a smaller area, and is very suitable for the pretreatment system of the sewage treatment station with limited occupied area, poorer site geological conditions and small scale.
Wherein, the underground coarse grating well 20, the lifting water pool 30 and the adjusting pool 40 can all adopt steel concrete structures, thereby ensuring the overall structural strength of the coarse grating well 20, the lifting water pool 30 and the adjusting pool 40, improving the overall stability of the combined pretreatment system, and the house 92 is arranged above the ground floor, and the house 92 can cover the fine grating well 50 and the rotational flow grit chamber 60. The coarse grating well 20 is provided with a floor drain 90, the coarse grating head is arranged on the adjusting tank 40, the floor drain 90 can directly discharge flushing water of the coarse grating into the adjusting tank 40 through a pipeline, and drainage pipelines are saved.
In some embodiments, the combined pretreatment system further comprises a water inlet well 10 located at the third plane, the water inlet well 10 is communicated with a sewage pipe, and the water inlet well 10 is provided with a sewage discharging end flowing into the thick grating well 20. Through being provided with into well 10 at the front end of thick grid well 20, the well 10 of intaking can play certain temporary storage effect to the sewage that the sewage pipe flows out, is convenient for real time control to flow into the sewage volume of thick grid well 20 to guarantee the treatment effect of follow-up pretreatment system to sewage.
In some embodiments, the intake well 10 is provided with a closable gate at the waste end. The gate is arranged at the sewage discharging end of the water inlet well 10, and the opening and closing of the sewage discharging end are controlled by the gate, so that the sewage in the water inlet well 10 controllably flows into the coarse grid well 20, and the control of the sewage in the water inlet well 10 is facilitated. Wherein, the gate can adopt the existing lifting gate.
In some embodiments, the combined pretreatment system further includes a power distribution room 80, the power distribution room 80 configured to provide power to the combined pretreatment system, the power distribution room 80 located in a first plane. By providing the power distribution room 80 on the ground, the power distribution room 80 can ensure that power is supplied to each processing unit in the combined pretreatment system, and meanwhile, the daily maintenance of the power distribution room 80 by workers is facilitated.
Wherein, the distribution room 80 is provided with a distribution device, which can comprise a weak current device and a strong current device, thereby realizing the power supply of the combined pretreatment system.
In some embodiments, the combined pre-treatment system further comprises a water quality monitoring room 70, the water quality monitoring room 70 is connected to the water inlet end of the coarse grating well 20 to monitor the quality of the sewage in the coarse grating well 20, and the water quality monitoring room 70 is located on the first plane. Through being provided with water quality monitoring room 70 at the end of intaking at thick grid well 20, water quality monitoring room 70 can carry out real-time supervision to the sewage quality of thick grid well 20 to can be convenient for carry out corresponding regulation to each processing unit in the pretreatment systems according to the quality of water condition of sewage, so that the quality of water of its sewage satisfies the default.
Wherein, water quality monitoring room 70 can be equipped with water quality testing equipment and control system, for example, water quality testing equipment can be provided with monitoring facilities such as COD on-line monitoring appearance, ammonia nitrogen on-line monitoring appearance, total phosphorus on-line monitoring appearance, total nitrogen on-line monitoring appearance, and control system can correspond each processing unit among the control pretreatment systems according to the quality of water condition that water quality testing equipment monitored, realizes the automatic monitoring and the control of sewage quality.
In some embodiments, the coarse grid well 20 and the fine grid well 50 are each covered with a deodorizing cover 91, with which a deodorizing device communicates for purifying the exhaust gas. Through being provided with deodorization cover 91 in the top of thick grid well 20 and thin grid well 50, deodorization cover 91 can prevent effectively that the foul smell is excessive, and deodorization cover 91 still is connected with deodorizing device to arrange deodorizing cover 91's foul smell to deodorizing device, deodorizing device collects the processing to the foul smell.
The deodorizing cover 91 is a sealed rectangular cover body made of glass fiber reinforced plastic, and the deodorizing cover 91 is provided with a sealing cover door. The deodorizing cover 91 completely covers the openings above the coarse grid well 20 and the fine grid well 50, and the circumferential side of the deodorizing cover 91 is fixed to the installation surface or the ground. The deodorization device may include a deodorization device and a deodorization fan, and the deodorization device may employ a bio-deodorization technique, an activated carbon adsorption technique, a UV photo catalytic oxidation technique, etc., and the odor or the exhaust gas in each of the deodorization covers 91 is extracted by the deodorization fan to enter the deodorization device. Deodorizing means are well known in the art and can be implemented by those skilled in the art in light of the present disclosure, and will not be described in detail herein.
In addition, can also set the bars sediment bucket in deodorization cover 91, bars sediment bucket can adopt stainless steel material to make, has corrosion-resistant, and thick grid or thin grid clear up bars sediment from sewage, bars sediment fall into the bars sediment bucket in, the management is convenient.
In some embodiments, the inner wall of the roof of the lift tank 30 is provided with a level gauge in conjunction with the second lift pump 31. Still be provided with a level gauge through on the roof inner wall at lift pond 30, because the level gauge links with second elevator pump 31, when the level gauge detects the sewage volume in the lift pond 30 and reaches the default, start second elevator pump 31 and load sewage in the equalizing basin 40, can play automatic control lift pond 30.
In addition, the embodiment of the present application provides a processing method of a combined preprocessing system, including the following steps: s1: sewage to be treated flows into the coarse grid well 20, and sewage after coarse screening by the coarse grid flows into the regulating tank 40; s2: the adjusting tank 40 adjusts and modifies the sewage, and the sewage adjusted by the adjusting tank 40 flows into the fine grid well 50; s3: the fine grids in the fine grid well 50 perform fine screening on the sewage, the sewage after fine screening flows into the rotational flow grit chamber 60, large-particle sand in the sewage is precipitated in the rotational flow grit chamber, and the precipitated effluent enters the secondary treatment unit.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A combined pretreatment system is characterized by comprising a coarse grating well, an adjusting tank, a fine grating well and a rotational flow grit chamber which are sequentially connected, wherein the coarse grating well is connected with a water inlet end for flowing in sewage, a coarse grating is arranged in the coarse grating well and used for removing impurities and floaters in the sewage, and the coarse grating well is communicated with the adjusting tank; the adjusting tank is used for adjusting the water quantity and the water quality of the sewage, the adjusting tank is communicated with the fine grid well, a fine grid is arranged in the fine grid well and used for removing fine impurities and floating objects in the sewage, the water outlet end of the fine grid well is connected with the water inlet end of the rotational flow grit chamber, and the rotational flow grit chamber is used for settling gravel in the sewage;
the combined pretreatment system comprises a coarse grating well, an adjusting tank, a fine grating well and a rotational flow grit chamber, wherein at least two of the coarse grating well, the adjusting tank, the fine grating well and the rotational flow grit chamber are distributed at intervals in the vertical direction, and the combined pretreatment system further comprises a power assembly which is used for realizing the transmission of sewage in the vertical direction.
2. The combined pretreatment system of claim 1, wherein the fine grate well is positioned vertically adjacent to the cyclone grit chamber in a first plane, the first plane being above ground, the coarse grate well and the conditioning tank being below ground;
the power assembly comprises a first lifting pump, the first lifting pump is arranged in the regulating tank, and the first lifting pump is communicated with the fine grid well through a pipeline.
3. The combined pretreatment system of claim 2, wherein the conditioning tank is located in a second plane, the coarse grate well and the lift pond are located in a third plane and are adjacent to each other, and the first plane, the second plane, and the third plane are sequentially distributed from top to bottom in the vertical direction;
the power assembly further comprises a lifting water pool and a second lifting pump, the lifting water pool is located on the third plane, the water outlet end of the coarse grating well is communicated with the lifting water pool, the second lifting pump is arranged in the lifting water pool, and the second lifting pump is communicated with the adjusting pool through a pipeline.
4. The combined pretreatment system of claim 3, further comprising an inlet well in said third plane, said inlet well being in communication with a sewer line, said inlet well having a blowdown end flowing into said coarse grate well.
5. The combined pretreatment system of claim 4, wherein said blowdown end of said influent well is provided with a closable gate.
6. The combined pretreatment system of claim 2, further comprising a power distribution room configured to provide power to the combined pretreatment system, the power distribution room being positioned in the first plane.
7. The combined pretreatment system of claim 2, further comprising a water quality monitoring room, wherein the water quality monitoring room is connected to the water inlet end of the coarse grating well to monitor the quality of the influent water of the sewage plant, and the water quality monitoring room is located on the first plane.
8. The combined pretreatment system of claim 3, wherein a deodorizing cover is sealed over each of the coarse grate well and the fine grate well, the deodorizing cover being in communication with a deodorizing device for purifying the exhaust gas.
9. The combined pretreatment system of claim 3, wherein a tank top inner wall of the lift tank is provided with a level gauge in conjunction with the second lift pump.
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| CN202221280901.7U CN217297497U (en) | 2022-05-25 | 2022-05-25 | Combined pretreatment system |
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| CN202221280901.7U CN217297497U (en) | 2022-05-25 | 2022-05-25 | Combined pretreatment system |
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