Sponge municipal sewage treatment system
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sponge urban sewage treatment system.
Background
Sponge city construction must follow ecological priority principle such as, combines together natural way and artificial measures, under the prerequisite of guaranteeing urban drainage prevention waterlogging safety, furthest realizes that rainwater stores up in the urban area, infiltration and purification, promotes the utilization of rainwater resource and ecological environment protection. The construction of the sponge city is not a way of putting the weight down and replacing the traditional drainage system, but a way of reducing burden and supplementing the traditional drainage system, and the self effect of the city is exerted to the greatest extent. In the sponge city construction process, the systematicness of natural rainfall, surface water and underground water is planned, water recycling links such as water supply and drainage are coordinated, and the complexity and the long-term property of the links are considered. In addition, sponge city construction must combine local water resource condition, rainfall law, water environment protection and waterlogging prevention and treatment requirements and the like closely related, and the construction according to local conditions guarantees the life and property safety of people and the stability of social economy. The shortage of water resources and the increasing severity of water pollution, the treatment and the reutilization of the wastewater become a good method which not only realizes economic benefits, but also can realize social benefits. The treated waste water is used for replacing new water, so that the consumption of the new water is reduced to the maximum extent, the tension of water resources is relieved, and the pollution of the waste water to the environment is reduced to the minimum extent. .
Because the sedimentation tank, the overflow tank, the grid tank, the purification chamber and the water storage chamber of the existing sewage treatment system are sequentially arranged on the ground, no overlapped part exists in the vertical direction, the large space is occupied, and meanwhile, in order to reduce the large land area occupied by the water storage chamber, the depth of the water storage chamber is large, when the water in the water storage chamber is pumped by a lifting pump for final treatment before use, particularly the water at the bottommost part, if the water pumping end of a lifting pipe is arranged at the bottommost part of the water storage chamber, the required lifting power is large, and the energy consumption is increased, therefore, the invention provides a sponge urban sewage treatment system which can reduce the occupation of the land area and reduce the energy consumption when the water in the water storage chamber is lifted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sponge municipal sewage treatment system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sponge municipal sewage treatment system comprises a sedimentation tank, wherein one side of the sedimentation tank is connected with an overflow tank through a first connecting pipe, the bottom of the overflow tank is connected with a grid tank through a second connecting pipe, a thick grid and a thin grid are vertically arranged in the grid tank, and the distance from the thick grid to the second connecting pipe is shorter than the distance from the thin grid to the second connecting pipe; one side of the grating pool is connected with a purifying chamber through a third connecting pipe; the bottom of the purifying chamber is connected with a water storage chamber through a fourth connecting pipe; the purification chamber is arranged under the sedimentation tank, the grid tank is arranged under the overflow tank, and the water storage chamber is arranged at the bottom of the grid tank and the purification chamber; a lifting pump is arranged at the top of the overflow tank, the output end of the lifting pump is connected with a lifting pipe, an annular pipe is arranged at the bottom end of the lifting pipe, a limiting rod is inserted into the annular pipe, the top end of the limiting rod is fixedly connected to the inner wall of the top of the purification chamber, and the outer side of the annular pipe is fixedly connected with a buoyancy ring; one side of the sedimentation tank, which is far away from the first connecting pipe, is connected with a water inlet pipeline; when the sewage treatment system works, the sedimentation tank, the overflow tank, the grid tank, the purification chamber and the water storage chamber of the existing sewage treatment system are sequentially arranged on the ground, no overlapped part exists in the vertical direction, the water storage chamber occupies larger space, and meanwhile, in order to reduce the occupation of larger land area of the water storage chamber, the depth of the water storage chamber is larger, when the water in the water storage chamber is pumped by a lifting pump for final treatment before use, particularly water at the bottommost part, if the water pumping end of a lifting pipe is arranged at the bottommost part of the water storage chamber, the required lifting power is larger, and the energy consumption is increased, so the invention mainly solves the problems of how to reduce the occupation of the land area and reducing the energy consumption when the water in the water storage chamber is lifted; the specifically adopted measures and working processes are as follows: in the vertical direction, the water storage chamber is arranged at the bottommost layer, the grid pond and the purification chamber are arranged at the second layer of the top of the water storage chamber, the sedimentation tank and the overflow tank are arranged at the uppermost layer, three layers of arrangement of the sedimentation tank, the overflow tank, the grid pond, the purification chamber and the water storage chamber is realized, the occupied area is small, the treated water sequentially passes through the sedimentation tank, the overflow tank, the grid pond and the purification chamber through the self gravity and finally reaches the water storage chamber, and the energy consumption problem caused by transferring the water treated in the previous process to the next process through external work is further reduced; after the lifting pump is started, when the lifting pump extracts and utilizes water in the water storage chamber through the lifting pipe, the annular pipe at the end part of the lifting pipe can move up and down on the limiting rod, and the buoyancy ring connected to the outer side of the annular pipe can always float on the water surface; after the lift pipe extracts water, the buoyancy ring drives the annular pipe to slowly descend on the limiting rod, the water pumping point during water pumping is ensured to gradually descend under the condition that water can be pumped, and compared with the condition that water is directly pumped up from the bottommost part of the water storage chamber, the buoyancy ring overcomes the defect that the work done by gravity is less, and the energy consumption is reduced.
Preferably, the bottom of the limiting rod is inserted with an inverted T-shaped rod, the water storage chamber is T-shaped, the bottom of the inner side of the water storage chamber is fixedly connected with a plurality of elastic pieces, the tops of the elastic pieces are fixedly connected with an auxiliary box, and two sides of the auxiliary box are in contact with the narrow part of the side wall of the water storage chamber; when the water in the water storage chamber passes through the water storage chamber at the lifting part of the lifting pipe, even if the buoyancy ring drives the end part of the lifting pipe to gradually move downwards, the end part of the lifting pipe finally moves to the bottommost part of the water storage chamber to extract the bottommost water, and the acting power of the lifting pump needs to be large enough, so that the bottommost water needs to be lifted for a certain distance before being extracted to the bottommost part; when the elevator pump work is with the water extraction, the water level in the water storage chamber descends gradually, when reducing the top of auxiliary tank, the elastic component of compressed promotes the auxiliary tank and rises, the auxiliary tank promotes the water of water storage chamber bottom and rises, the T pole top of falling is promoted to rise and inserts the inside part of gag lever post and increase, when drawing water gradually, the buoyancy circle finally drives the elevator pipe end and removes to the inboard bottommost of auxiliary tank, accomplish the extraction to all water in the water storage chamber, because the bottommost of auxiliary tank is promoted by the elastic component and by the certain distance that rises of the bottommost of water storage chamber, consequently when the water extraction to the bottommost, the work of overcoming gravity is few, the further consumption of the energy has been reduced.
Preferably, the part of the inverted T-shaped rod, which is positioned outside the limiting rod, is sleeved with an elastic sleeve, and the elastic sleeve is contacted with the inner wall of the annular tube; after the water in the water storage chamber is completely taken out, namely the water in the auxiliary tank is completely taken out, the elastic ring drives the ring pipe to be positioned on the T-shaped rod at the bottommost part of the limiting rod, when the purified water in the purification chamber enters the water storage chamber, the water in the auxiliary tank is impacted by the falling water flow in the water flow falling process, the water in the auxiliary tank generates large ripples, the generated ripples can enable the ring pipe to move on the water surface, the ring pipe collides with the T-shaped rod, the damage of the T-shaped rod or the ring pipe is caused, the elastic sleeve is sleeved on the T-shaped rod, the elastic sleeve is made of a water-resistant elastic material, when the ring pipe is pushed by the generated large ripples to collide with the T-shaped rod, the damage of the T-shaped rod or the ring pipe can be prevented due to the protection of the elastic sleeve, and the service lives of the T-shaped rod and the ring pipe are prolonged.
Preferably, the top of the inner wall of the annular tube is in a bell mouth shape, and the diameter of the inner wall of the annular tube is gradually reduced from top to bottom; in order to prevent that the annular tube from taking place the ascending removal of horizontal direction on the gag lever post, consequently the internal diameter of annular tube is the same with the diameter of gag lever post surface, simultaneously again because the diameter of falling T pole is thinner, consequently rise at the water level, when the annular tube moves on the gag lever post again under the drive of buoyancy circle, annular tube inner wall top is the horn mouth form, and the diameter of annular tube inner wall reduces from top to bottom gradually, can make things convenient for the annular tube to aim at the gag lever post, make the buoyancy circle rise the top of gag lever post smoothly, prevent that the annular tube card from in the gag lever post bottom.
Preferably, the position of the outer side of the limiting rod, which is positioned at the top end of the limiting rod, is fixedly connected with a blocking disc, and the top of the annular pipe is fixedly connected with a vertical rod; when the annular pipe rises along the limiting rod, the vertical rod at the top of the annular pipe does not rise after contacting the blocking disc, so that the lifting pipe between the blocking disc and the annular pipe has a certain space, and the lifting pipe is prevented from being extruded after the annular pipe contacts the blocking disc, so that the lifting pipe is bent at the annular pipe, the damage of the lifting pipe is caused, and the service life of the lifting pipe is prolonged.
Preferably, the top end of the vertical rod is made of an elastic material, and the top end of the vertical rod is provided with a plurality of through holes; when the vertical pole top strikes the barrier disc, because the vertical pole top is made by elastic material, consequently when the vertical pole strikes the barrier disc, can have certain cushioning effect, when having ripple to produce simultaneously, the ring pipe drives vertical pole has certain reciprocating, make vertical pole top strike the barrier disc many times, cause the softer part of vertical pole top to take place more times and warp, arouse permanent deformation, consequently a plurality of thru holes have been seted up at vertical pole top, can get into the water after some production ripples in the through-hole of seting, can extrude water when vertical pole top warp, consume partly energy, reduce the extrusion on vertical pole top, and then the probability that permanent deformation takes place at vertical pole top has been reduced.
The invention has the technical effects and advantages that:
1. according to the sponge municipal sewage treatment system, the sedimentation tank, the overflow tank, the grid tank, the purification chamber and the water storage chamber are arranged in three layers, so that the occupied area is small, the treated water sequentially passes through the sedimentation tank, the overflow tank, the grid tank and the purification chamber through the self gravity and finally reaches the water storage chamber, the problem of energy consumption caused by the fact that the water treated in the previous process needs to be transferred to the next process through external work is further solved, meanwhile, the ring-shaped pipe is driven by the buoyancy coil to slowly descend on the limiting rod, the water pumping point during water pumping gradually descends, the work for overcoming the gravity during water pumping is little, and the energy consumption is reduced.
2. According to the sponge urban sewage treatment system, water is pumped to enable the water level in the water storage chamber to gradually fall to the top end of the auxiliary tank, the compressed elastic piece pushes the auxiliary tank to rise, the auxiliary tank pushes water at the bottom of the water storage chamber to rise, and the bottommost portion of the auxiliary tank is pushed by the elastic piece to rise for a certain distance from the bottommost portion of the water storage chamber, so that during water pumping of the bottommost portion, work of overcoming gravity is little, and energy consumption is further reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the reservoir with water;
in the figure: the device comprises a sedimentation tank 1, a first connecting pipe 2, an overflow tank 3, a second connecting pipe 4, a grid tank 5, a coarse grid 51, a fine grid 52, a third connecting pipe 6, a purifying chamber 7, a fourth connecting pipe 8, a water storage chamber 9, a lifting pump 10, a lifting pipe 11, an annular pipe 12, a limiting rod 13, a buoyancy ring 14, a water inlet pipeline 15, a T-shaped inverted rod 16, an elastic piece 17, an auxiliary tank 18, an elastic sleeve 19, a blocking disc 20 and a vertical rod 21.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining the specific embodiments, and the front, the back, the left, the right, the upper and the lower parts of the invention are all based on the view direction of the figure 1.
As shown in fig. 1-3, the sponge municipal sewage treatment system comprises a sedimentation tank 1, wherein one side of the sedimentation tank 1 is connected with an overflow tank 3 through a first connecting pipe 2, the bottom of the overflow tank 3 is connected with a grid tank 5 through a second connecting pipe 4, a thick grid 51 and a thin grid 52 are vertically arranged in the grid tank 5, and the distance from the thick grid 51 to the second connecting pipe 4 is shorter than the distance from the thin grid 52 to the second connecting pipe 4; one side of the grating pool 5 is connected with a purifying chamber 7 through a third connecting pipe 6; the bottom of the purifying chamber 7 is connected with a water storage chamber 9 through a fourth connecting pipe 8; the purification chamber 7 is arranged under the sedimentation tank 1, the grid tank 5 is arranged under the overflow tank 3, and the water storage chamber 9 is arranged at the bottoms of the grid tank 5 and the purification chamber 7; a lifting pump 10 is arranged at the top of the overflow tank 3, the output end of the lifting pump 10 is connected with a lifting pipe 11, an annular pipe 12 is arranged at the bottom end of the lifting pipe 11, a limiting rod 13 is inserted on the annular pipe 12, the top end of the limiting rod 13 is fixedly connected to the inner wall of the top of the purification chamber 7, and a buoyancy ring 14 is fixedly connected to the outer side of the annular pipe 12; a water inlet pipeline 15 is connected to one side of the sedimentation tank 1, which is far away from the first connecting pipe 2; when the sewage treatment system works, the sedimentation tank 1, the overflow tank 3, the grid tank 5, the purification chamber 7 and the water storage chamber 9 of the existing sewage treatment system are sequentially arranged on the ground, no overlapped part exists in the vertical direction, and the water storage chamber 9 occupies a large space, and meanwhile, in order to reduce the large land area occupied by the water storage chamber 9, the depth of the water storage chamber 9 is large, when the water in the water storage chamber 9 is pumped by the lifting pump 10 for final treatment before use, particularly the water at the bottommost part, if the water pumping end of the lifting pipe 11 is arranged at the bottommost part of the water storage chamber 9, the required lifting power is large, and the energy consumption is increased, so the invention mainly solves the problem of how to reduce the land area occupation and reduce the energy consumption when the water in the water storage chamber 9 is lifted; the specifically adopted measures and working processes are as follows: in the vertical direction, the water storage chamber 9 is arranged at the bottommost layer, the grid pond 5 and the purification chamber 7 are arranged at the second layer of the top of the water storage chamber 9, the sedimentation pond 1 and the overflow pond 3 are arranged at the uppermost layer, three layers of arrangement of the sedimentation pond 1, the overflow pond 3, the grid pond 5, the purification chamber 7 and the water storage chamber 9 is realized, the occupied area is small, the treated water sequentially passes through the sedimentation pond 1, the overflow pond 3, the grid pond 5 and the purification chamber 7 through self gravity and finally reaches the water storage chamber 9, and the problem of energy consumption caused by transferring the water treated in the previous process to the next process through external work is further reduced; after the lifting pump 10 is started, when the lifting pump 10 pumps and utilizes water in the water storage chamber 9 through the lifting pipe 11, the annular pipe 12 at the end part of the lifting pipe 11 can move up and down on the limiting rod 13, and the buoyancy ring 14 connected to the outer side of the annular pipe 12 can always float on the water surface; after the lift pipe 11 extracts water, the buoyancy ring 14 drives the annular pipe 12 to slowly descend on the limiting rod 13, so that the water pumping point gradually descends when pumping water under the condition that water can be pumped, and compared with the condition that water is directly pumped up from the bottommost part of the water storage chamber 9, the water pumping device overcomes the defect that the work done by gravity is less, and the energy consumption is reduced.
The bottom of the limiting rod 13 is inserted with an inverted T-shaped rod 16, the water storage chamber 9 is T-shaped, the bottom of the inner side of the water storage chamber 9 is fixedly connected with a plurality of elastic pieces 17, the tops of the elastic pieces 17 are fixedly connected with auxiliary boxes 18, and two sides of each auxiliary box 18 are in contact with the narrow part of the side wall of the water storage chamber 9; when the water in the water storage chamber 9 is lifted by the lifting pump 10 through the lifting pipe 11, even if the end of the lifting pipe 11 is driven by the buoyancy ring 14 to gradually move downwards, the end of the lifting pipe 11 finally moves to the bottommost part of the water storage chamber 9 to extract the bottommost water, and the acting power of the lifting pump 10 needs to be large enough, so that the bottommost water needs to be lifted for a certain distance before being extracted to the bottommost part; when the lift pump 10 works to extract water, the water level in the water storage chamber 9 gradually drops, when the water level is lowered to the top end of the auxiliary tank 18, the compressed elastic piece 17 pushes the auxiliary tank 18 to rise, the auxiliary tank 18 pushes the water at the bottom of the water storage chamber 9 to rise, the top end of the T-shaped rod 16 is pushed to rise, the part inserted into the limiting rod 13 is increased, when water is gradually pumped, the buoyancy ring 14 finally drives the end part of the lifting pipe 11 to move to the bottommost part of the inner side of the auxiliary tank 18, the extraction of all water in the water storage chamber 9 is completed, and the bottommost part of the auxiliary tank 18 is pushed by the elastic piece 17 to rise for a certain distance from the bottommost part of the water storage chamber 9, so that the work of overcoming the gravity is little when the water at the bottommost part is extracted, and the consumption.
An elastic sleeve 19 is sleeved on the part, located on the outer side of the limiting rod 13, of the inverted T-shaped rod 16, and the elastic sleeve 19 is in contact with the inner wall of the annular tube 12; when the water in the water storage chamber 9 is completely pumped out, namely the water in the auxiliary tank 18 is completely pumped out, the elastic ring drives the annular pipe 12 to be positioned on the inverted T-shaped rod 16 at the bottommost part of the limiting rod 13, when purified water is discharged into the water storage chamber 9 in the purification chamber 7, in the process of water flow falling, the water first entering the auxiliary tank 18 is impacted by the falling water flow, so that the water in the auxiliary tank 18 generates large ripples, the generated ripples can cause the circular pipe 12 to move on the water surface and impact the inverted T-shaped rod 16, and damage to the inverted T-shaped rod 16 or the circular pipe 12 is caused, therefore, the inverted T-shaped rod 16 is sleeved with an elastic sleeve 19, the elastic sleeve 19 is made of water-resistant elastic material, when the ring tube 12 is pushed by the large ripples generated to hit the inverted T-shaped bar 16, due to the protection of the elastic sleeve 19, therefore, the damage of the inverted T-shaped rod 16 or the annular tube 12 can be prevented, and the service life of the inverted T-shaped rod 16 and the annular tube 12 is prolonged.
The top of the inner wall of the annular pipe 12 is in a bell mouth shape, and the diameter of the inner wall of the annular pipe 12 is gradually reduced from top to bottom; in order to prevent the annular tube 12 from moving on the limiting rod 13 in the horizontal direction, the inner diameter of the annular tube 12 is the same as the diameter of the outer surface of the limiting rod 13, meanwhile, the diameter of the inverted T-shaped rod 16 is thin, so that when the water level rises, the annular tube 12 moves on the limiting rod 13 again under the driving of the buoyancy ring 14, the top of the inner wall of the annular tube 12 is in a bell mouth shape, the diameter of the inner wall of the annular tube 12 is gradually reduced from top to bottom, the annular tube 12 can be conveniently aligned to the limiting rod 13, the buoyancy ring 14 smoothly rises to the top of the limiting rod 13, and the annular tube 12 is prevented from being clamped at the bottom of the limiting rod 13.
A stop disc 20 is fixedly connected to the position, located at the top end, of the outer side of the limiting rod 13, and a vertical rod 21 is fixedly connected to the top of the annular tube 12; when the annular pipe 12 ascends along the limiting rod 13, the vertical rod 21 at the top of the annular pipe 12 just contacts the blocking disc 20 and then does not ascend any more, so that the lifting pipe 11 between the blocking disc 20 and the annular pipe 12 has a certain space, and the lifting pipe 11 is extruded after the annular pipe 12 contacts the blocking disc 20, so that the lifting pipe 11 is bent at the annular pipe 12, the lifting pipe 11 is damaged, and the service life of the lifting pipe 11 is prolonged.
The top end of the vertical rod 21 is made of elastic material, and the top end is provided with a plurality of through holes; when the top of vertical pole 21 strikes barrier disc 20, because the top of vertical pole 21 is made by elastic material, consequently when vertical pole 21 strikes barrier disc 20, can have certain cushioning effect, simultaneously when there is ripple to produce, ring pipe 12 drives vertical pole 21 and has certain reciprocating, make the stopper disc 20 of 21 tops of vertical pole strike many times, cause the softer part in 21 tops of vertical pole to take place more times and warp, arouse permanent deformation, consequently, a plurality of thru holes have been seted up on 21 tops of vertical pole, can get into the water after some production ripples in the through-hole of seting up, can extrude water when 21 tops of vertical pole warp, consume partly energy, reduce the extrusion to 21 tops of vertical pole, and then reduced the probability that the permanent deformation takes place on 21 tops of vertical pole.
When the sewage treatment system works, the sedimentation tank 1, the overflow tank 3, the grid tank 5, the purification chamber 7 and the water storage chamber 9 of the existing sewage treatment system are sequentially arranged on the ground, no overlapped part exists in the vertical direction, and the water storage chamber 9 occupies a large space, and meanwhile, in order to reduce the large land area occupied by the water storage chamber 9, the depth of the water storage chamber 9 is large, when the water in the water storage chamber 9 is pumped by the lifting pump 10 for final treatment before use, particularly the water at the bottommost part, if the water pumping end of the lifting pipe 11 is arranged at the bottommost part of the water storage chamber 9, the required lifting power is large, and the energy consumption is increased, so the invention mainly solves the problem of how to reduce the land area occupation and reduce the energy consumption when the water in the water storage chamber 9 is lifted; the specifically adopted measures and working processes are as follows: in the vertical direction, the water storage chamber 9 is arranged at the bottommost layer, the grid pond 5 and the purification chamber 7 are arranged at the second layer of the top of the water storage chamber 9, the sedimentation pond 1 and the overflow pond 3 are arranged at the uppermost layer, three layers of arrangement of the sedimentation pond 1, the overflow pond 3, the grid pond 5, the purification chamber 7 and the water storage chamber 9 is realized, the occupied area is small, the treated water sequentially passes through the sedimentation pond 1, the overflow pond 3, the grid pond 5 and the purification chamber 7 through self gravity and finally reaches the water storage chamber 9, and the problem of energy consumption caused by transferring the water treated in the previous process to the next process through external work is further reduced; after the lifting pump 10 is started, when the lifting pump 10 pumps and utilizes water in the water storage chamber 9 through the lifting pipe 11, the annular pipe 12 at the end part of the lifting pipe 11 can move up and down on the limiting rod 13, and the buoyancy ring 14 connected to the outer side of the annular pipe 12 can always float on the water surface; after the lift pipe 11 extracts water, the buoyancy ring 14 drives the annular pipe 12 to slowly descend on the limiting rod 13, so that the water pumping point gradually descends when pumping water under the condition that water can be pumped, and compared with the condition that water is directly pumped up from the bottommost part of the water storage chamber 9, the water pumping device overcomes the defect that the work done by gravity is less, and the energy consumption is reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.