CN113529836B - Sewage treatment method combining river channel side slope treatment - Google Patents
Sewage treatment method combining river channel side slope treatment Download PDFInfo
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- CN113529836B CN113529836B CN202110888881.5A CN202110888881A CN113529836B CN 113529836 B CN113529836 B CN 113529836B CN 202110888881 A CN202110888881 A CN 202110888881A CN 113529836 B CN113529836 B CN 113529836B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/121—Devices for applying linings on banks or the water bottom
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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Abstract
The invention relates to the technical field of river sewage treatment, in particular to a sewage treatment method combining river slope treatment. S1: the method comprises the following steps that a first slurry pump pumps river channel sludge into a crusher to crush impurities in the sludge to obtain slurry water; s2: discharging the muddy water into a settling chamber for collection until the muddy water is layered with the water; s3: soaking the planting seeds into a mixing tank filled with clear water until the planting seeds absorb water and sink to the bottom of the mixing tank; s4: pumping and spraying the slurry water on the upper layer of the settling chamber onto the river channel side slope through a water pump, and wetting the soil layer or the rock layer of the river channel side slope; s5: uniformly mixing the planted seeds in the mixing tank with clear water; s6: through the second slush pump extraction sedimentation chamber lower floor silt, silt is when the pipeline of connecting through second slush pump and spray gun, and this technical scheme is used for solving the accumulational problem of silt in the river course sewage to and the river course side slope causes the problem of influence to the ecological deterioration in river periphery.
Description
Technical Field
The invention relates to the technical field of river sewage treatment, in particular to a sewage treatment method combining river slope treatment.
Background
River sludge is one of the important types of municipal solid waste. Since the sewage of urban river channels is directly discharged for many years, a large amount of inorganic matters and organic matters are accumulated in river mud, and become a secondary pollution source through diffusion and exchange with overlying water bodies. A large amount of sludge is generated in river dredging of water transport rivers, lakes and the like densely distributed with water nets in China, and more river sludge can be generated along with planning and upgrading of the desktop river channels. How to effectively and appropriately take measures, and recycling the river sludge has important significance for avoiding secondary pollution, recycling resources and building a conservation-oriented society.
The river bed side slope cannot be repeatedly washed by river water, the dynamic damage of water cannot be looked at, particularly, the soil side slope, not to mention the flood function, is very easy to collapse under the action of wind waves, so that the river channel is silted, blocked and overflowed, the side slope needs to be built on the river bed of the river channel, the water and soil loss is avoided, the existing side slope is mostly built by concrete, the river channel and the river bed are protected, and the ecological deterioration around the river channel is affected a little.
Disclosure of Invention
In view of the above technical deficiencies, the present invention provides a method for treating sewage by combining river slope treatment, which is used for solving the problem of sludge accumulation in river sewage and the problem of influence of river slope on ecological deterioration around rivers.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a sewage treatment method combining river slope treatment comprises a first slurry pump, a crusher, a settling chamber, a second slurry pump and a spraying gun which are connected in sequence, wherein the outlet end of the first slurry pump is positioned in the crusher and used for pumping sludge mixture at the bottom of a river channel into the crusher, the settling chamber is positioned below the outlet of the crusher and used for collecting the sludge-water mixture discharged from the crusher, the inlet end of the second slurry pump is communicated with the bottom of the settling chamber, the sewage treatment method further comprises a water pump and a mixing tank, the inlet end of the water pump is communicated with the upper part of the settling chamber, the mixing tank is positioned right below a connecting pipeline of the second slurry pump and the spraying gun, a water suction pipe is arranged in the mixing tank, one end of the water suction pipe is communicated with the connecting pipeline of the second slurry pump and the spraying gun, and the other end of the water suction pipe is positioned at the bottom of the mixing tank;
the sewage treatment method comprises the following steps:
s1: the method comprises the following steps that a first slurry pump pumps river channel sludge into a crusher to crush impurities in the sludge to obtain slurry water;
s2: discharging the muddy water into a settling chamber for collection until the muddy water is layered with the water;
s3: soaking the planting seeds into a mixing tank filled with clear water until the planting seeds absorb water and sink to the bottom of the mixing tank;
s4: pumping and spraying the muddy water on the upper layer of the settling chamber onto the river channel side slope through a water pump, and wetting the soil layer or the rock layer of the river channel side slope;
s5: uniformly mixing the planted seeds in the mixing tank with clear water;
s6: and (3) pumping the sludge at the lower layer in the settling chamber through a second slurry pump, pumping the mixture of the planted seeds and the water formed in the mixing tank into the pipeline when the sludge passes through the pipeline connected with the second slurry pump and the spraying gun, and spraying the mixture and the sludge onto the wet river channel slope.
Further, the step S6 is followed by a step S7, and the step S7 includes spraying the muddy water formed in the subsequent settling chamber onto the slope of the river channel where the seeds were planted by the previous sand blast, which is advantageous in that the upper layer muddy water deposited in the settling chamber can irrigate the planted seeds sprayed before, so as to prevent the planted seeds from withering due to temperature.
Further, the step S2 is preceded by filtering the slurry water to remove larger un-crushed impurities in the slurry water, which is advantageous in that larger un-crushed weeds or stones in the slurry water are filtered to avoid blocking the subsequent spraying guns.
Further inject, the connecting tube of second slush pump and blending tank is including the hard pipe and the soft pipe that the concatenation formed, the other end and the exit end of second water pump of hard pipe are connected, the other end and the spray gun of soft pipe are connected, the pipe that absorbs water in the blending tank connects on the hard pipe, and its beneficial effect lies in that the hard pipe can be nonrust steel pipe, and the purpose of hard pipe and soft pipe concatenation lies in that the hard pipe is convenient for with the union coupling that absorbs water, and the hard pipe is less to the velocity of flow influence of silt in the geminate transistors, is convenient for form the negative pressure at the junction that absorbs water the pipe, absorbs the seed water mixture in the blending tank, and the effect of soft pipe is the direction change of spray gun in the use of being convenient for.
Further inject, the below of hard pipe is connected with a plurality of blending tanks, and the pipe that absorbs water that sets up in a plurality of blending tanks all with the detachable connection of hard pipe, its beneficial part lies in, a plurality of blending tanks and the setting of the pipe that absorbs water make this device can adsorb multiple planting seed simultaneously and carry out the slope and plant, can be applicable to the condition of planting multiple planting on the slope and use.
Further inject, the intraduct that absorbs water is inside to be equipped with reducing mechanism, reducing mechanism includes gasbag, trachea and air pump, the shape of gasbag is hollow cylinder, and the outer wall fixed connection of gasbag is on the inner wall of the pipe that absorbs water, the air pump is located the outside of blending tank, through trachea and gasbag intercommunication, still be equipped with the control valve on the trachea, its beneficial part lies in, aerifys the gasbag through the air pump, makes the gasbag occupy the intraductal partial space that absorbs water, has reduced the usable pipe diameter that absorbs water the pipe promptly, and the benefit that sets up like this can be according to the pipe diameter that actual conditions adjustment absorbed the pipe in, changes the flow of planting in the seed unit interval adsorbed the pipeline, has realized spraying the concentration and the density adjustment of planting the seed promptly.
Further limit, the bottom of blending tank is equipped with the air pump, the air pump passes through the bottom intercommunication of trachea and blending tank, and its beneficial effect lies in, switches on the air pump, and the bubble is tumbled in the blending tank, can be effectual plant seed and water and keep a state of misce bene in the blending tank all the time.
Further limited, the upper portion of the settling chamber is provided with a filter plate, and the filter plate is provided with a plurality of filter holes which are uniformly distributed.
Further, the variety of the seeds planted in the step S5 is at least 1.
Further, the water inlet end of the first slurry pump is provided with the metal filter cage, and the metal filter cage is used for filtering larger impurities in the sludge.
The technical effects of the invention are as follows:
(1) the sludge in the river sewage is combined with the side slope treatment, so that the beneficial use of harmful sludge is realized, and the sludge can be used for beautifying and planting the river side slope when the river sewage is treated, so that the water and soil loss of the river boundary skin is avoided. (2) The uniform mixing and spraying of the sludge and the planting are realized through the Bernoulli principle, the flow velocity in the hard pipe connected with the second slurry pump is large, namely the pressure at the joint of the water suction pipe and the hard pipe is small, namely, a mixture of planting seeds and water in the mixing tank can be sucked into the hard pipe under the action of the atmospheric pressure, and then the mixture is sprayed onto the side slope from the spraying gun together, so that the sludge and the planting seeds can be uniformly mixed and sprayed onto the river channel side slope. (3) In the method, a sludge mixture extracted from a river channel is firstly crushed, when impurities such as weeds in the sludge are crushed, a muddy water mixture can be obtained, so that when the muddy water mixture is filtered, the problem that the filtering device is blocked due to high viscosity of the sludge can be solved, then the muddy water is precipitated in a precipitation chamber until layering, and the muddy water is precipitated to a certain extent and then is sucked and sprayed, so that the sucked and sprayed sludge has certain viscosity and concentration, and the muddy water can be adhered to the side slope of the river channel. (4) The inside reducing mechanism that is equipped with of the pipe that absorbs water through aerifing for the gasbag, reaches the purpose that changes the inside diameter of the pipe that absorbs water, can adjust the flow of absorbing water of the pipe according to actual demand, can adjust the density of spraying and the proportion of planting.
Drawings
Fig. 1 is a perspective view illustrating the installation of a part of the apparatus for implementing the method according to the present embodiment.
Fig. 2 is a schematic view of a part of the apparatus for implementing the method according to the present embodiment after installation.
Fig. 3 is a schematic plan view of all devices for implementing the method according to this embodiment.
Reference numerals
The device comprises a crusher 1, a settling chamber 2, a mounting frame 3, a hard pipe 4, a soft pipe 5, a mixing tank 6, a water suction pipe 7, a spray gun 8, a first slurry pump 9, a water pump 10 and a second slurry pump 11.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1 to 3, a sewage treatment method combined with river slope treatment comprises a first slurry pump 9, a crusher 1, a settling chamber 2, a second slurry pump 11 and a spray gun 8 which are connected in sequence, wherein the outlet end of the first slurry pump 9 is positioned in the crusher 1 and is used for pumping a sludge mixture at the bottom of a river into the crusher 1, the crusher 1 comprises a crushing chamber, a motor and a reamer arranged in the crushing chamber, the reamer is driven to rotate by the motor, the settling chamber 2 is fixed below the outlet of the crusher 1 through a mounting frame 3 and is used for collecting a sludge-water mixture discharged from the crusher 1, the inlet end of the second slurry pump 11 is communicated with the bottom of the settling chamber 2, the inlet end of the water pump 10 is communicated with the upper part of the settling chamber 2, the mixing tank 6 is positioned right below a connecting pipeline of the second slurry pump 11 and the spray gun 8, be equipped with the pipe 7 that absorbs water in the blending tank 6, the one end of the pipe 7 that absorbs water and the connecting tube intercommunication of second slush pump 11 and spray gun 8, the other end that absorbs water and manage 7 is located the bottom of blending tank 6, and the upper end of blending tank 6 is equipped with the apron, is equipped with sprue and bleeder vent on the apron, can select the manual work to annotate the material in the blending tank 6 in this embodiment, also can detect mode such as through the sensor and annotate the material to automatic water injection in the blending tank 6.
Preferably, the connecting pipeline of the second slurry pump 11 and the mixing tank 6 comprises a hard pipe 4 and a soft pipe 5 which are formed by splicing, the other end of the hard pipe 4 is connected with the outlet end of the second slurry pump 11, the other end of the soft pipe 5 is connected with the spray gun 8, the water suction pipe 7 in the mixing tank 6 is connected onto the hard pipe 4, the hard pipe 4 can be a stainless steel pipe, the hard pipe 4 and the soft pipe 5 are spliced, and the purpose that the hard pipe 4 is connected with the water suction pipe 7 conveniently, the flow rate influence of sludge in the hard pipe 4 is small, negative pressure is formed at the joint of the water suction pipe 7 conveniently, the seed water mixture in the mixing tank 6 is sucked, and the soft pipe 5 is used for facilitating the direction change of the spray gun 8 in the using process. The below of hard pipe 4 is connected with a plurality of blending tanks 6, and the pipe 7 that absorbs water that sets up in a plurality of blending tanks 6 all is connected with hard pipe 4 is detachable, a plurality of blending tanks 6 and the setting of pipe 7 that absorbs water, makes this device can adsorb multiple planting seed simultaneously and carry out the slope and plant, can be applicable to the condition of planting multiple planting on the slope and use.
Preferably, the inside reducing mechanism that is equipped with of tub 7 absorbs water, reducing mechanism includes the gasbag, trachea and air pump, the shape of gasbag is hollow cylinder, and the outer wall fixed connection of gasbag is on the inner wall of tub 7 absorbs water, the air pump is located the outside of blending tank 6, communicate with the gasbag through the trachea, still be equipped with the control valve on the trachea, aerify the gasbag through the air pump, make the gasbag occupy the partial space in tub 7 that absorbs water, the usable pipe diameter of tub 7 that absorbs water has been reduced promptly, the benefit that sets up like this is the pipe diameter that can absorb water tub 7 according to actual conditions adjustment, the flow that is adsorbed in the pipeline in the change planting seed unit interval, the concentration and the density adjustment of planting the seed of spraying have been realized promptly.
Preferably, the bottom of blending tank 6 is equipped with the air pump, and the air pump passes through the trachea and communicates with the bottom of blending tank 6, switches on the air pump, and the bubble is tumbled in blending tank 6, can be effectual plant seed and water and remain a misce bene's state throughout in blending tank 6.
Preferably, the upper portion of settling chamber 2 is equipped with the filter, is equipped with a plurality of evenly distributed's filtration hole on the filter, filters the great impurity in the mud water, and owing to be the mud water, the mud water can pass through the filter easily this moment, and can not form the condition of blockking up and causing silt content to reduce.
Preferably, the kinds of seeds planted in step S5 are at least 1.
Preferably, the water inlet end of the first slurry pump 9 is provided with a metal filter cage, and the metal filter cage is used for filtering larger impurities in the sludge, so that the influence on the subsequent processes caused by excessive and larger impurities entering the pulverizer 1 is avoided.
The sewage treatment method comprises the following steps:
s1: the first slurry pump 9 pumps the river sludge into the crusher 1, and crushes impurities in the sludge to obtain muddy water;
s2: discharging the muddy water into the settling chamber 2 for collection until the muddy water is layered with the water;
s3: soaking the planting seeds into a mixing tank 6 filled with clear water until the planting seeds absorb water and sink to the bottom of the mixing tank 6;
s4: pumping and spraying the slurry water on the upper layer of the settling chamber 2 onto the river channel side slope through a water pump 10, and wetting the soil layer or the rock layer of the river channel side slope;
s5: uniformly mixing the planted seeds in the mixing tank 6 with clear water;
s6: the sludge at the lower layer in the settling chamber 2 is extracted by a second slurry pump 11, and the sludge sucks the mixture of the planted seeds and the water formed in the mixing tank 6 into a pipeline when passing through the pipeline connected with the second slurry pump 11 and the spraying gun 8, and then is sprayed together with the sludge onto the side slope of the river channel after being wetted.
Preferably, step S7 is further included after step S6, and step S7 includes spraying the muddy water formed in the subsequent settling chamber 2 onto the slope of the river channel where the seeds were planted by the previous sand blast, and the upper layer muddy water precipitated in the settling chamber 2 can irrigate the planted seeds sprayed before, so as to avoid the planted seeds withering due to temperature.
Preferably, step S2 is preceded by filtering the slurry water to remove larger impurities in the slurry water that are not crushed, and filtering larger weeds or stones in the slurry water that are not crushed to avoid blocking the subsequent spray guns 8.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A sewage treatment method combined with river channel slope treatment is characterized by comprising a first slurry pump, a crusher, a settling chamber, a second slurry pump and a spraying gun which are sequentially connected, wherein the outlet end of the first slurry pump is positioned in the crusher, for pumping the sludge mixture at the bottom of the river channel into the crusher, the settling chamber is positioned below the outlet of the crusher, is used for collecting the slurry-water mixture discharged from the crusher, the inlet end of the second slurry pump is communicated with the bottom of the settling chamber, the device also comprises a water pump and a mixing tank, the inlet end of the water pump is communicated with the upper part of the settling chamber, the mixing tank is positioned under a connecting pipeline of the second slurry pump and the spraying gun, a water suction pipe is arranged in the mixing tank, one end of the water suction pipe is communicated with a connecting pipeline of the second slurry pump and the spraying gun, and the other end of the water suction pipe is positioned at the bottom of the mixing tank;
the sewage treatment method comprises the following steps:
s1: the method comprises the following steps that a first slurry pump pumps river channel sludge into a crusher to crush impurities in the sludge to obtain slurry water;
s2: discharging the muddy water into a settling chamber for collection until the muddy water is layered with the water;
s3: soaking the planting seeds into a mixing tank filled with clear water until the planting seeds absorb water and sink to the bottom of the mixing tank;
s4: pumping and spraying the slurry water on the upper layer of the settling chamber onto the river channel side slope through a water pump, and wetting the soil layer or the rock layer of the river channel side slope;
s5: uniformly mixing the planted seeds in the mixing tank with clear water;
s6: and (3) pumping the sludge at the lower layer in the settling chamber through a second slurry pump, pumping the mixture of the planted seeds and the water formed in the mixing tank into the pipeline when the sludge passes through the pipeline connected with the second slurry pump and the spraying gun, and spraying the mixture and the sludge onto the wet river channel slope.
2. The method for treating sewage in combination with riverway slope treatment according to claim 1, wherein the step S6 is followed by a step S7, and the step S7 comprises spraying muddy water formed in a subsequent settling chamber onto the riverway slope where the seeds are planted by the previous sand blasting.
3. The method for treating sewage in combination with riverway slope treatment according to claim 1, wherein the step S2 is preceded by filtering the muddy water to remove larger impurities in the muddy water which are not crushed.
4. The method as claimed in claim 1, wherein the connecting pipe between the second slurry pump and the mixing tank comprises a hard pipe and a soft pipe, the hard pipe is connected to the outlet of the second pump, the soft pipe is connected to the spray gun, and the suction pipe of the mixing tank is connected to the hard pipe.
5. The sewage treatment method combined with river course slope treatment according to claim 4, wherein a plurality of mixing tanks are connected below the hard pipe, and the water suction pipes arranged in the mixing tanks are detachably connected with the hard pipe.
6. The sewage treatment method combined with river course slope treatment according to claim 5, wherein a reducing mechanism is arranged inside the water absorption pipe, the reducing mechanism comprises an air bag, an air pipe and an air pump, the air bag is in a hollow cylinder shape, the outer wall of the air bag is fixedly connected to the inner wall of the water absorption pipe, the air pump is located outside the mixing tank and is communicated with the air bag through the air pipe, and the air pipe is further provided with a control valve.
7. The method for treating sewage by combining river course slope treatment according to claim 1, wherein an air pump is arranged at the bottom of the mixing tank and is communicated with the bottom of the mixing tank through an air pipe.
8. The method for treating sewage in combination with riverway slope treatment according to claim 1, wherein the upper part of the settling chamber is provided with a filter plate, and the filter plate is provided with a plurality of filter holes which are uniformly distributed.
9. The method for treating sewage in combination with riverway slope treatment according to claim 1, wherein the variety of the seeds planted in the step S5 is at least 1.
10. The method as claimed in claim 1, wherein a metal filter cage is disposed at the water inlet of the first slurry pump, and the metal filter cage is used for filtering larger impurities in the sludge.
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