阅读说明：本技术 一种海绵城市建设用水体净化系统及净化方法 (Water body purification system and purification method for sponge city construction ) 是由 贾传洋 蒋将 王海龙 张贵彬 孙熙震 刘珂铭 于献彬 宋小园 于 2021-09-01 设计创作，主要内容包括：本发明公开了一种海绵城市建设用水体净化系统,包括蓄水箱、净化箱,蓄水箱为一个矩形腔体结构,且其腔体的内部设置有支撑件,支撑件为对齐码放,且其码放有四层,本发明还公开了一种海绵城市建设用水体净化系统的净化方法,包含以下步骤；步骤一：雨水的初过滤；步骤二：雨水的再过滤；步骤三：雨水的再利用,此发明通过设置由蓄水箱、净化箱组合构成的海绵城市建设用水体净化系统,并通过在蓄水箱中设置支撑件,并在最上层的支撑件上方依次铺设第一网板、透水土工布和第二网板,从而通过透水土工布有效对雨水进行初过滤,并且通过第一网板和第二网板将透水土工布夹持在中间,从而保证透水土工布的整体稳定性。(The invention discloses a water body purification system for sponge city construction, which comprises a water storage tank and a purification tank, wherein the water storage tank is of a rectangular cavity structure, a supporting piece is arranged in a cavity of the water storage tank, the supporting piece is aligned and stacked, and four layers are stacked; the method comprises the following steps: primary filtration of rainwater; step two: re-filtering the rainwater; step three: the rainwater recycling device is characterized in that a sponge water purification system for city construction is arranged, the sponge water purification system is formed by combining a water storage tank and a purification tank, a support piece is arranged in the water storage tank, and a first mesh plate, a permeable geotextile and a second mesh plate are sequentially laid above the support piece on the uppermost layer, so that rainwater is effectively primarily filtered through the permeable geotextile, and the permeable geotextile is clamped in the middle through the first mesh plate and the second mesh plate, so that the overall stability of the permeable geotextile is ensured.)

1. The utility model provides a water clean system is used in sponge city construction, includes water storage box (1), purifying box (2), its characterized in that: the water storage tank (1) is of a rectangular cavity structure, the supporting pieces (3) are arranged in the cavity of the water storage tank, the supporting pieces (3) are aligned and stacked, four layers are stacked on the supporting pieces (3), the water diversion plate (4) is installed on the upper surface of the uppermost layer of the supporting pieces (3), the first mesh plate (5) is arranged on the upper surface of the water diversion plate (4), the water permeable geotextile (6) is arranged on the upper surface of the first mesh plate (5), the second mesh plate (7) is arranged on the upper surface of the water permeable geotextile (6), the soil layer (8) is embedded on the upper surface of the second mesh plate (7), the first rectangular groove is formed in the right side wall of the water storage tank (1), the second rectangular groove is formed in the left side wall of the purification tank (2), the cross-sectional dimensions of the first rectangular groove and the second rectangular groove are matched with the cross-sectional dimensions of the water diversion plate (4), the water diversion groove (13) is formed in the upper surface of the water diversion plate (4), and one end of the water diversion plate (4) passes through the first rectangular groove and the second rectangular groove and penetrates into the interior of the box body of the purification box (2), a water diversion pipe is arranged at the position of a water outlet on the rear side surface of the purification box (2), and the other end of the water diversion pipe is communicated with a water inlet port on the rear side surface of the water storage box (1).

2. The water body purification system for sponge city construction according to claim 1, wherein: the support piece (3) is composed of a lower support frame (20), a support rod (21) and an upper support frame (22) in a combined mode, the lower support frame (20) and the upper support frame (22) are of a grid-shaped structure, and the support rod (21) is fixedly welded with the lower support frame (20) and the upper support frame (22).

3. The water body purification system for sponge city construction according to claim 2, wherein: the center position of the upper supporting frame (22) is connected with the middle position of the frame rod of the lower supporting frame (20) through a center reinforcing rod (23), four center reinforcing rods (23) are arranged in a rectangular pyramid structure, the center position of the upper supporting frame (22) is connected with the end position of the frame rod of the lower supporting frame (20) through an edge reinforcing rod (24), the edge reinforcing rod (24) is arranged in a herringbone mode, the connection relation among the center reinforcing rod (23), the edge reinforcing rod (24), the upper supporting frame (22) and the lower supporting frame (20) is fixedly welded, and an anticorrosive layer is sprayed on the surface of the supporting piece (3).

4. The water body purification system for sponge city construction according to claim 1, wherein: the lower surface of diversion board (4) and the upper surface of the superiors support piece (3) laminate mutually and set up, the upper surface of first otter board (5) sets up with the upper surface looks parallel and level of water storage box (1), the coverage area of geotechnological cloth (6), second otter board (7) that permeates water is greater than the region in place of water storage box (1), first otter board (5), second otter board (7) are high density mesh wire net.

5. The water body purification system for sponge city construction according to claim 4, wherein: the diversion grooves (13) on the diversion plate (4) are provided with a plurality of groups at equal intervals, and the left side end groove bottom of the diversion grooves (13) is higher than the right side end groove bottom of the diversion grooves (13).

6. The water body purification system for sponge city construction according to claim 1, wherein: purifying box (2) and water storage box (1) are formed by waterproof concrete placement, and purifying box (2) are a rectangle cavity structure, and fixed mounting has baffle (14) on the top surface of its cavity, leave the clearance between the lower surface of baffle (14) and purifying box (2), and all be provided with cassette (15) on the right flank of baffle (14) and the inner chamber right side wall of purifying box (2), cassette (15) are for setting up in groups, and its equidistant three groups that are provided with, and on its three groups of cassette (15) respectively the block install first filter (16), second filter (17) and third filter (18).

7. The water body purification system for sponge city construction according to claim 6, wherein: the filter aperture on first filter (16), second filter (17) and third filter (18) is the trend that reduces in proper order and sets up, and the water that passes first filter (16), second filter (17) and third filter (18) all flows to the plate body upside of filter from the plate body downside of filter, and the setting height that highly is higher than third filter (18) of setting up of purifying box (2) trailing flank delivery port.

8. The water body purification system for sponge city construction according to claim 1, wherein: the water storage tank (1) lean on the left side to be provided with well head (10) of drawing water, it is linked together through connecting pipe (9) to draw water between well head (10) and the water storage tank (1), and is provided with suction pump (11) in well head (10) of drawing water, the delivery port of suction pump (11) is connected with external water equipment through raceway (12), the front side of purifying box (2) is provided with maintains well head (19), maintain well head (19) and be linked together with the front side port of purifying box (2), and maintain and separate for separating through the gate structure between well head (19) and purifying box (2).

9. A water purification system for sponge city construction as claimed in any one of claims 1 to 8, wherein: the purification method of the sponge water purification system for urban construction comprises the following steps:

the method comprises the following steps: primary filtration of rainwater, wherein in the rainwater weather, the rainwater permeates through the soil layer (8), and forms primary filtration through the second screen plate (7), the permeable geotextile (6) and the first screen plate (5), and the filtered rainwater falls on the water diversion plate (4);

step two: the rainwater is re-filtered, the water falling on the water guide plate (4) flows into the interior of the purifying box (2) along the water guide groove (13) on the water guide plate (4), and the water is re-filtered through the first filter plate (16), the second filter plate (17) and the third filter plate (18), so that the cleanliness of the water is ensured;

step three: the rainwater is recycled, and the rainwater filtered by the purification box (2) flows into the water storage box (1) through the water conduit, flows to the water pumping well head (10) through the connecting pipe (9), and is pumped out through the water pumping pump (11), so that ground water facilities can be used.

Technical Field

The invention relates to the technical field related to sponge city construction, in particular to a water body purification system and a water body purification method for sponge city construction.

Background

The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city. The international general term is 'low-impact development of rainwater system construction', water absorption, water storage, water seepage and water purification are carried out when raining, and the stored water is released and utilized when needed, so that rainwater can freely migrate in cities. And from the ecosystem service, construct water ecological infrastructure through striding yardstick, and combine multiclass concrete technology to construct water ecological infrastructure, be the core in sponge city, but the retaining system structure that traditional sponge city construction used is comparatively simple, and traditional sponge city construction does not set up special water purification structure with retaining system, contain more impurity in the water that leads to it to accumulate, it not only leads to retaining system's damage easily, and the unable fine utilization of the water that accumulates in the retaining system, therefore can cause the waste of resource, and support piece structural design in traditional retaining system is reasonable inadequately, it is great to lead to support piece whole occupation volume, it is limited further to lead to effective retaining space in the traditional retaining system, thereby influence traditional retaining system's whole water demand.

Disclosure of Invention

The invention aims to provide a water body purification system and a water body purification method for sponge city construction, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a water body purification system and a water body purification method for sponge city construction comprise a water storage tank and a purification tank, wherein the water storage tank is of a rectangular cavity structure, a support piece is arranged in a cavity of the water storage tank, the support piece is in an aligned stacking mode and is stacked with four layers, a water diversion plate is arranged on the upper surface of the support piece on the uppermost layer, a first screen plate is arranged on the upper surface of the water diversion plate, a permeable geotextile is arranged on the upper surface of the first screen plate, a second screen plate is arranged on the upper surface of the permeable geotextile, a soil layer is embedded on the upper surface of the second screen plate, a first rectangular groove is formed in the right side wall of the water storage tank, a second rectangular groove is formed in the left side wall of the purification tank, the cross sectional dimensions of the first rectangular groove and the second rectangular groove are matched with the cross sectional dimension of the water diversion plate, a water diversion groove is formed in the upper surface of the water diversion plate, and one end of the water diversion plate penetrates through the first rectangular groove and the second rectangular groove, and penetrate into the interior of the box body of the purification box, a water conduit is arranged at the position of a water outlet on the rear side surface of the purification box, and the other end of the water conduit is communicated with a water inlet port on the rear side surface of the water storage box.

Preferably, the supporting piece is composed of a lower supporting frame, a supporting rod and an upper supporting frame, the lower supporting frame and the upper supporting frame are of a field-shaped structure, and the supporting rod is fixedly welded with the lower supporting frame and the upper supporting frame.

Preferably, the central point of the upper supporting frame is connected with the middle position of the frame rod of the lower supporting frame through a central reinforcing rod, the four central reinforcing rods are arranged in a rectangular pyramid structure, the central point of the upper supporting frame is connected with the end position of the frame rod of the lower supporting frame through an edge reinforcing rod, the edge reinforcing rod is arranged in a herringbone mode, the connecting relation between the central reinforcing rod and the upper supporting frame and between the edge reinforcing rod and the lower supporting frame is fixedly welded, and an anticorrosive coating is sprayed on the surface of each supporting piece.

Preferably, the lower surface of diversion board and the upper surface of the superiors' support piece laminate the setting mutually, the upper surface of first otter board sets up with the upper surface looks parallel and level of water storage box, the coverage area of geotechnological cloth, second otter board of permeating water is greater than the region of water storage box, first otter board, second otter board are high density mesh wire net.

Preferably, the diversion channels are arranged on the diversion plate at equal intervals, and the bottoms of the left side end grooves of the diversion channels are higher than the bottoms of the right side end grooves of the diversion channels.

Preferably, the purifying box and the water storage box are formed by pouring waterproof concrete, the purifying box is of a rectangular cavity structure, a partition plate is fixedly mounted on the top surface of the cavity of the purifying box, a gap is reserved between the lower surface of the partition plate and the lower surface of the purifying box, clamping seats are arranged on the right side surface of the partition plate and the right side wall of the inner cavity of the purifying box, the clamping seats are arranged in groups, three groups of the clamping seats are arranged at equal intervals, and a first filter plate, a second filter plate and a third filter plate are respectively clamped on the three groups of the clamping seats.

Preferably, the filter aperture on first filter, second filter and the third filter is the trend that reduces in proper order and sets up, and the water that passes first filter, second filter and third filter all flows to the plate body upside of filter from the plate body downside of filter, and the setting height that highly is higher than the setting of third filter of purifying box trailing flank delivery port.

Preferably, the left side that leans on of water storage box is provided with the well head of drawing water, it is linked together through the connecting pipe to draw water between well head and the water storage box, and is provided with the suction pump in the well head of drawing water, the outlet port of suction pump is connected with external water equipment through the raceway, the front side of purifying box is provided with the maintenance well head, the front side port of maintaining well head and purifying box is linked together, and maintains and separate for separating through the gate structure between well head and the purifying box.

The purification method of the sponge water purification system for urban construction comprises the following steps:

the method comprises the following steps: primary filtration of rainwater, wherein in the rainwater weather, the rainwater seeps down through the soil layer, and forms primary filtration through the second screen plate, the permeable geotextile and the first screen plate, and the filtered rainwater falls on the water diversion plate;

step two: the rainwater is filtered again, the water falling on the water guide plate can flow into the box body of the purification box along the water guide groove on the water guide plate, and the water is filtered again through the first filter plate, the second filter plate and the third filter plate, so that the cleanliness of the water is ensured;

step three: the rainwater after the purifying box filters flows into the water storage tank through the water diversion pipe, flows to the water pumping well head through the connecting pipe, and is pumped out through the water pumping pump, so that ground water facilities are used.

Compared with the prior art, the invention has the beneficial effects that:

1. the sponge water purification system for city construction is formed by combining the water storage tank and the purification tank, the support pieces are arranged in the water storage tank, and the first mesh plate, the permeable geotextile and the second mesh plate are sequentially laid above the support piece on the uppermost layer, so that rainwater is effectively primarily filtered through the permeable geotextile, and the permeable geotextile is clamped in the middle through the first mesh plate and the second mesh plate, so that the integral stability of the permeable geotextile is ensured;

2. the rainwater collecting area is effectively increased through the action of the water guide plate, so that the rainwater collecting efficiency of the whole structure is ensured, and the flowing effect of the collected rainwater can be effectively ensured through the water guide grooves which are obliquely arranged on the water guide plate;

3. and set up the baffle through the inside at the purifying box to the symmetry sets up three groups of cassettes on the right flank of baffle and the inner chamber right side wall of purifying box, and block installation first filter, second filter and third filter respectively in three groups of cassettes, thereby through the multistage filtration of first filter, second filter and third filter, thereby effectively improve the filter effect to the rainwater.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a half sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the water diversion plate of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

fig. 6 is a schematic structural view of the support 3.

In the figure: the water storage tank comprises a water storage tank 1, a purification tank 2, a support piece 3, a water diversion plate 4, a first screen plate 5, a permeable geotextile 6, a second screen plate 7, a soil layer 8, a connecting pipe 9, a water pumping wellhead 10, a water pumping pump 11, a water delivery pipe 12, a water diversion groove 13, a partition plate 14, a clamping seat 15, a first filter plate 16, a second filter plate 17, a third filter plate 18, a maintenance wellhead 19, a lower support frame 20, a support rod 21, an upper support frame 22, a center reinforcing rod 23 and an edge reinforcing rod 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a sponge city construction water body purification system and purification method, including water storage tank 1, purification tank 2, water storage tank 1 is a rectangular cavity structure, and its cavity interior is equipped with support member 3, support member 3 is aligned and stacked, and it is stacked with four layers, and the uppermost support member 3 upper surface is equipped with water diversion plate 4, the upper surface of water diversion plate 4 is equipped with first screen 5, the upper surface of first screen 5 is equipped with permeable geotextile 6, the upper surface of permeable geotextile 6 is equipped with second screen 7, the upper surface of second screen 7 is filled with soil layer 8, the right side wall of water storage tank 1 is equipped with first rectangular groove, the left side wall of purification tank 2 is equipped with second rectangular groove, the cross section size of first rectangular groove, second rectangular groove is identical with the cross section size of water diversion plate 4, the upper surface of water diversion plate 4 is equipped with water diversion groove 13, and one end of water diversion plate 4 passes through first rectangular groove and second rectangular groove, and penetrate inside the box of purifying box 2, the rear side delivery port position department of purifying box 2 is provided with the leading water pipe, its leading water pipe other end is linked together with the inlet port on the water storage box 1 trailing flank, through setting up the water purification system for the sponge city construction that comprises water storage box 1, purifying box 2 combination, and through setting up support piece 3 in water storage box 1, and lay first otter board 5 in proper order above the support piece 3 of superiors, geotechnological cloth 6 and second otter board 7 permeate water, thereby effectively carry out the primary filtration to the rainwater through geotechnological cloth 6 permeates water, and will permeate water geotechnological cloth 6 centre gripping through first otter board 5 and second otter board 7, thereby guarantee the overall stability of geotechnological cloth 6 permeates water.

The supporting member 3 is composed of a lower supporting frame 20, a supporting rod 21 and an upper supporting frame 22, the lower supporting frame 20 and the upper supporting frame 22 are both of a grid-shaped structure, and the supporting rod 21, the lower supporting frame 20 and the upper supporting frame 22 are fixedly welded.

The central point of the upper supporting frame 22 is connected with the middle position of the frame rod of the lower supporting frame 20 through a central reinforcing rod 23, four central reinforcing rods 23 are arranged in a rectangular pyramid structure, the central point of the upper supporting frame 22 is connected with the end position of the frame rod of the lower supporting frame 20 through an edge reinforcing rod 24, the edge reinforcing rod 24 is arranged in a herringbone mode, the central reinforcing rod 23, the edge reinforcing rod 24 is fixedly welded with the upper supporting frame 22 and the lower supporting frame 20, and an anticorrosive layer is sprayed on the surface of the supporting piece 3.

The lower surface of the water diversion plate 4 is attached to the upper surface of the support piece 3 on the uppermost layer, the upper surface of the first screen plate 5 is flush with the upper surface of the water storage tank 1, the covering areas of the water permeable geotextile 6 and the second screen plate 7 are larger than the area where the water storage tank 1 is located, and the first screen plate 5 and the second screen plate 7 are both high-density mesh steel wire meshes.

Diversion channel 13 is provided with the multiunit for equidistant on diversion plate 4, and is higher than diversion channel 13's right side end tank bottom at the bottom of diversion channel 13's left side end tank, through diversion plate 4's effect to effectively improve the collection area of rainwater, thereby guarantee the whole collection efficiency to the rainwater of its structure, and the diversion channel 13 that slopes to set up on diversion plate 4 can effectively guarantee the mobile effect of collecting the rainwater.

Purifying box 2 and water storage box 1 are formed by waterproof concrete placement, and purifying box 2 is a rectangle cavity structures, and fixed mounting has baffle 14 on the top surface of its cavity, leave the clearance between the lower surface of baffle 14 and purifying box 2, and all be provided with cassette 15 on the right flank of baffle 14 and the inner chamber right side wall of purifying box 2, cassette 15 is for setting up in groups, and its equidistant three groups that are provided with, and install first filter 16 on its three groups of cassettes 15 respectively the block, second filter 17 and third filter 18.

The filtration aperture on first filter 16, second filter 17 and the third filter 18 is the trend that reduces in proper order and sets up, and the water that passes first filter 16, second filter 17 and third filter 18 all flows to the plate body upside of filter from the plate body downside of filter, and the setting height that highly is higher than third filter 18 of setting up of 2 trailing flank delivery ports of purifying box.

The left side that leans on of water storage box 1 is provided with the well head 10 that draws water, draw water between well head 10 and the water storage box 1 for being linked together through connecting pipe 9, and be provided with suction pump 11 in the well head 10 that draws water, the play water port of suction pump 11 is connected with external water equipment through raceway 12, the front side of purifying box 2 is provided with maintains well head 19, maintain well head 19 and purifying box 2's front side port and be linked together, and maintain between well head 19 and the purifying box 2 for separating through the gate structure, conveniently maintain the maintenance to underground equipment, and can make things convenient for the maintainer to change the filter and wash.

The purification method of the sponge water purification system for urban construction comprises the following steps:

the method comprises the following steps: primary filtration of rainwater, wherein in rainy days, the rainwater permeates through the soil layer 8, forms primary filtration through the second screen plate 7, the permeable geotextile 6 and the first screen plate 5, and falls on the water diversion plate 4 after filtration;

step two: the rainwater is filtered again, water falling on the water guide plate 4 can flow into the interior of the box body of the purifying box 2 along the water guide groove 13 on the water guide plate 4, and the water is filtered again through the first filter plate 16, the second filter plate 17 and the third filter plate 18, so that the cleanliness of the water is ensured, the partition plate 14 is arranged in the purifying box 2, three groups of clamping seats 15 are symmetrically arranged on the right side surface of the partition plate 14 and the right side wall of the inner cavity of the purifying box 2, and the first filter plate 16, the second filter plate 17 and the third filter plate 18 are respectively clamped and installed in the three groups of clamping seats 15, so that the rainwater is filtered in multiple stages through the first filter plate 16, the second filter plate 17 and the third filter plate 18, and the filtering effect on the rainwater is effectively improved;

step three: the rainwater is recycled, and the rainwater filtered by the purifying box 2 flows into the water storage box 1 through the water conduit, flows to the water pumping well head 10 through the connecting pipe 9, and is pumped out through the water pumping pump 11, so that the rainwater is used by ground water facilities.

The working principle is as follows: by arranging the sponge water purification system for city construction composed of the water storage tank 1 and the purification tank 2, arranging the support piece 3 in the water storage tank 1, and sequentially laying the first mesh plate 5, the permeable geotextile 6 and the second mesh plate 7 above the uppermost support piece 3, the rainwater is effectively primarily filtered by the permeable geotextile 6, and the permeable geotextile 6 is clamped in the middle by the first mesh plate 5 and the second mesh plate 7, so that the overall stability of the permeable geotextile 6 is ensured, and the rainwater collection area is effectively improved by the action of the diversion plate 4, so that the rainwater collection efficiency of the whole structure is ensured, the diversion groove 13 obliquely arranged on the diversion plate 4 can effectively ensure the rainwater collection effect, and by arranging the partition plate 14 in the purification tank 2, and symmetrically arranging three groups of clamping seats 15 on the right side surface of the partition plate 14 and the right side wall of the inner cavity of the purification tank 2, and the first filter plate 16, the second filter plate 17 and the third filter plate 18 are respectively clamped and installed in the three groups of clamping seats 15, so that the multi-stage filtration of the first filter plate 16, the second filter plate 17 and the third filter plate 18 is realized, the rainwater filtering effect on the rainwater is effectively improved, in the practical use process, in the rainwater weather, the rainwater permeates through the soil layer 8, and is primarily filtered through the second screen plate 7, the permeable geotextile 6 and the first screen plate 5, and the filtered rainwater falls on the water diversion plate 4, and the water falling on the water diversion plate 4 flows into the box body of the purification box 2 along the water diversion grooves 13 on the water diversion plate 4, and is re-filtered through the first filter plate 16, the second filter plate 17 and the third filter plate 18, so that the cleanness of the water is ensured, the rainwater filtered by the purification box 2 flows into the water storage box 1 through the water diversion pipe and flows to the wellhead 10 through the connecting pipe 9, and the water is pumped out by the water pump 11 for ground water facilities to use, so that the rainwater is filtered and reused, and the environmental protection effect is outstanding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.