CN221193538U - Water intake well protection structure - Google Patents

Abstract

The application provides a water intake well protection structure, which is used for repairing and treating pollution of a river-side underground water intake well and relates to the technical field of sewage treatment. This water intake well protective structure includes: the permeable reaction wall is used for being arranged on one side of the water taking well facing the river, the reaction filler component is arranged in the permeable reaction wall, the reaction filler component is detachably connected with the permeable reaction wall, the reaction filler component is used for treating water pollutants, the suspension rope is used for being arranged at the wellhead of the water taking well, and the suspension rope is connected with the upper portion of the reaction filler component. The water taking well protection structure is convenient to replace the reaction filling component and is simple to use and operate.

Description

Water intake well protection structure

Technical Field

The application relates to the technical field of sewage treatment, in particular to a water taking well protection structure.

Background

The river-side underground water taking well is a water source well arranged in a river water-flushing layer, soil around the water source well is loose, and water in an aquifer can be directly sucked when water is pumped, and water in a river can be sucked. Because of the narrow space of the river-side underground water taking well, the land is unique, and is not suitable for large-area non-point source treatment and ectopic repair technology treatment, but adopts in-situ repair technology treatment. The treatment of the in-situ repair technology is to carry out physical and chemical reactions on pollutants at the in-situ position to remove the pollutants.

In the prior art, in-situ remediation technology is often adopted to intercept and remedy groundwater pollution by adopting an in-situ permeable reaction wall, polluted groundwater flows through the permeable reaction wall, reaction materials are arranged in the permeable reaction wall, and pollutants in the groundwater are removed through adsorption, precipitation, chemical degradation or biodegradation of the reaction materials and the like.

However, the permeable reactive barrier is often a large-area continuous wall, and is filled with an integral reactive filler, which is inconvenient to replace.

Disclosure of utility model

The application provides a water taking well protection structure, which can solve the problem of difficult replacement of reaction filler and recycle a permeable reaction wall.

The application provides a water intake well protection structure, which is used for repairing and controlling the pollution of a river-side underground water intake well, and comprises the following components: the permeable reaction wall is used for being arranged on one side of the water taking well facing the river, the reaction filler component is arranged in the permeable reaction wall, the reaction filler component is detachably connected with the permeable reaction wall, the reaction filler component is used for treating water pollutants, the suspension rope is used for being arranged at the wellhead of the water taking well, and the suspension rope is connected with the upper portion of the reaction filler component.

In some possible implementation manners, the protection structure of the water intake well provided by the application has a ring-shaped permeable reactive barrier, the permeable reactive barrier is used for being wound on the outer peripheral side of the water intake well, and the inner side wall of the permeable reactive barrier is used for being matched with the outer side wall of the water intake well.

In some possible implementation manners, the water intake well protection structure provided by the application comprises two meshed sleeves, one sleeve is sleeved in the other sleeve, a mounting cavity is formed between the two sleeves, and the reaction filler component is inserted in the mounting cavity.

In some possible implementations, the application provides a water intake well protection structure, and the reactive filler assembly comprises a permeable membrane and a reactive filler coated in the permeable membrane.

In some possible implementations, the water intake well protection structure provided by the application, the reaction filler is at least one of activated carbon, zeolite, zero-valent iron and oxygen release material.

In some possible implementations, the water intake well protection structure provided by the application has a density of the side of the reaction filler facing the river greater than that of the side facing away from the river.

In some possible implementation manners, in the water intake well protection structure provided by the application, the number of the reaction filler components is multiple, and each reaction filler component is sequentially stacked along the extending direction of the permeable reaction wall;

one of the two adjacent reaction filling components is provided with a first connecting part, the other one is provided with a second connecting part, and the first connecting part is connected with the second connecting part.

In some possible implementations, the water intake well protection structure provided by the application, the first connecting part and the second connecting part are respectively positioned at two opposite ends of the reaction filling component.

In some possible implementation manners, the water intake well protection structure provided by the application is characterized in that the first connecting part is a protrusion, and the second connecting part is a groove matched with the protrusion.

In some possible implementations, the water intake well protection structure provided by the application further comprises a fixing piece, wherein the fixing piece is used for being arranged on the water intake well, and the fixing piece is used for fixing the hanging rope.

According to the water taking well protection structure provided by the application, the reaction filler assembly is arranged in the permeable reaction wall and is detachably connected with the reaction filler assembly, and the hanging rope is connected with the upper part of the reaction filler assembly. Therefore, the reaction filler assembly is detachably connected with the permeable reaction wall, so that the reaction filler assembly is detached and separated from the permeable reaction wall, and the reaction filler is convenient to replace. In addition, pull up and hang the rope, make the reaction packing subassembly take out from permeable reactive barrier, change the reaction packing, transfer and hang the rope, place the reaction packing subassembly that new change in permeable reactive barrier, change the reaction packing subassembly convenient operation. Therefore, only the reaction filler component is required to be replaced, the permeable reaction wall is not required to be replaced, the operation is simple and convenient, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a water intake well protection structure according to an embodiment of the present application;

FIG. 2 is a schematic view of section A-A of FIG. 1;

FIG. 3 is a schematic view of a permeable reactive barrier in a water intake well containment structure according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a reactive packing assembly in a water intake well protection structure according to an embodiment of the present application;

FIG. 5 is a schematic illustration of a permeable membrane in a reactive charge assembly in a water intake well guard structure in accordance with an embodiment of the present application.

Reference numerals illustrate:

100-permeable reactive barrier; 110-sleeve; 120-mounting cavity;

200-a reactive charge assembly; 201-a first connection; 202-a second connection; 210-a permeable membrane;

300-hanging rope;

400-fixing piece;

500-water taking well.

Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus consistent with some aspects of the utility model, as detailed in the accompanying claims, rather than all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First, the related concepts or nouns related to the present application are explained:

And (3) treating by an in-situ repair technology: the soil restoration technology is characterized by low cost and small influence on the surrounding environment, and is used for restoring or treating the polluted soil in situ directly at the polluted site without moving the polluted soil.

Treatment of an ectopic repair technology: refers to a technology for excavating polluted soil from a polluted position and treating the soil in the original site range or after transportation.

Permeable reactive barrier: under natural hydraulic gradient, the sewage seepage flow of the underground water passes through the reaction medium, the physical, chemical or biological action of the pollutants and the medium is blocked or removed, and the treated underground water flows out from the other side of the permeable reaction wall.

And (3) wrapping the air belt: the space of the soil and rock in the zone above the subsurface is not filled with water, and contains air, and the water in the air-packing zone mainly exists in the forms of gaseous water, adsorbed water, film water and capillary water.

Permeable membrane: a permeable membrane is a film having a specific pore structure and permeability properties that allow water flow therethrough.

Characteristic contaminants: referring to a region, contaminants are predominantly of a certain type, which is typical, characteristic and dominant. Such as organic pollutants, heavy metal pollutants.

In the related art, water is a fundamental resource for the production, life and development of human society. Untreated water contains a large amount of harmful substances such as heavy metals, organic matters, bacteria and the like, and biochemical reactions are often adopted to adsorb or react the harmful substances in the treatment of water pollution.

The permeable reactive barrier in the prior art is often a large-area continuous wall type, does not conform to the topography of a river-side groundwater water intake well, and when pollutants are continuously treated in reactive filler, the reactive filler can fail after a period of time due to the capacity of the reactive filler and the limited detergency, and the failed reactive filler is accumulated and the pollutants are precipitated, so that the flow field of groundwater in the reactive barrier and the vicinity thereof is changed, a large amount of pollutants are accumulated, and finally the whole permeable reactive barrier is blocked and fails. And the pollution sources aimed at by the filler in the permeable reactive barrier are mainly organic or inorganic nitrate, so that the filler is difficult to combine and cross-mix aiming at heavy metals, ammonia nitrogen and other pollutants caused by surface water, the reactive filler is invalid, the filler is difficult to replace, and the whole permeable reactive barrier needs to be removed, so that the method is time-consuming, cost-consuming and labor-consuming.

Based on the structure, the reaction filler assembly is arranged in the permeable reaction wall and detachably connected with the reaction filler assembly, and the hanging rope is connected with the upper part of the reaction filler assembly. Therefore, the reaction filler assembly is detachably connected with the permeable reaction wall, so that the reaction filler assembly is detached and separated from the permeable reaction wall, and the reaction filler is convenient to replace. In addition, pull up and hang the rope, make the reaction packing subassembly take out from permeable reactive barrier, change the reaction packing, transfer and hang the rope, place the reaction packing subassembly that new change in permeable reactive barrier, change the reaction packing subassembly convenient operation. Therefore, only the reaction filler component is required to be replaced, the permeable reaction wall is not required to be replaced, the operation is simple and convenient, and the cost is saved. The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.

As shown in fig. 1, the present application provides a water intake well protection structure for repairing and managing pollution of a river-side groundwater water intake well, which comprises a permeable reactive barrier 100, a reactive filler assembly 200 and a hanging rope 300, wherein the permeable reactive barrier 100 is arranged at one side of the water intake well 500 facing a river, the reactive filler assembly 200 is arranged in the permeable reactive barrier 100, the reactive filler assembly 200 is detachably connected with the permeable reactive barrier 100, the reactive filler assembly 200 is used for treating water pollutants, the hanging rope 300 is arranged at a wellhead of the water intake well 500, and the hanging rope 300 is connected with the upper part of the reactive filler assembly 200.

In particular, when the permeable reactive barrier 100 is disposed at one side of the water intake well 500 facing the river, the vertical wall of the permeable reactive barrier 100 is perpendicular to the water flow direction, water penetrating from the river to the water intake well 500 is purified, the contact between the river water and the water intake well 500 is blocked, the reactive filler assembly 200 is disposed in the permeable reactive barrier 100, and the reactive filler assembly 200 is used for treating pollutants penetrating from the river to the permeable reactive barrier 100.

To facilitate the safe replacement of the reaction packing assembly 200, the reaction packing assembly 200 is detachably coupled to the permeable reactive wall 100, and the hanger rope 300 is coupled to the upper portion of the reaction packing assembly 200. The reaction packing assembly 200 is removed from the permeable reactive wall 100 using the hanging string 300.

In particular, suspension cord 300 may be a rigid cord that is strong and capable of withstanding the weight of multiple reactive charge assemblies 200. One end of the hanging rope 300 is provided with a ring buckle, the ring buckle is connected with the wellhead of the water intake well 500, the lower end of the ring buckle is provided with an adjusting part capable of adjusting the length of the rope, and the hanging rope 300 is connected with the upper part of the reaction filling assembly 200. In use, the top end of the hanging string 300 is pulled to replace the entire array of reaction packing elements 200. In some embodiments, the length of the hanger rope 300 is at least the depth of the permeable reactive wall 100, and each reactive filler assembly 200 is connected to the hanger rope 300.

According to the water well protection structure provided by the application, the reaction filling assembly 200 is arranged in the permeable reaction wall 100, and the hanging rope 300 detachably connected with the reaction filling assembly 200 is connected with the upper part of the reaction filling assembly 200. Thus, the reaction packing assembly 200 is detachably connected with the permeable reactive barrier 100, so that the reaction packing assembly 200 is detached from the permeable reactive barrier 100 to facilitate replacement of the reaction packing. In addition, the hanging string 300 is pulled up to take out the reaction packing assembly 200 from the permeable reactive barrier 100, replace the reaction packing, the hanging string 300 is lowered, and a new replacement reaction packing assembly 200 is placed in the permeable reactive barrier 100, so that the replacement reaction packing assembly 200 is convenient to operate. Therefore, only the reaction filler assembly 200 is required to be replaced, the permeable reaction wall 100 is not required to be replaced, the operation is simple and convenient, and the cost is saved.

In some possible embodiments, referring to fig. 1 and fig. 2, in the water intake well protection structure of the embodiment of the present application, the permeable reactive barrier 100 is annular, the permeable reactive barrier 100 is configured to be wound around the outer peripheral side of the water intake well 500, and the inner side wall of the permeable reactive barrier 100 is configured to be matched with the outer side wall of the water intake well 500.

In particular, the permeable reactive barrier 100 is annular, the permeable reactive barrier 100 of the permeable reactive barrier 100 is configured to be wound around the outer periphery of the water intake well 500, and the inner sidewall of the permeable reactive barrier 100 is configured to match with the outer sidewall of the water intake well 500 and conform to the shape of the water intake well 500. The permeable reactive barrier 100 can play a role in reinforcing the river-side groundwater sampling well 500 to slow down the impact of water flow and protect the safety of the well body.

The water intake well protection structure in the embodiment of the application has the advantages that the inner side wall of the permeable reactive barrier 100 is used for being matched with the outer side wall of the water intake well 500, and is matched with the water intake well 500 with any shape, so that the application range is wide. In addition, the permeable reactive barrier 100 is matched with the outer sidewall of the water intake well 500, and has a certain supporting and protecting function on the water intake well 500.

In some embodiments, the permeable reactive wall 100 is formed by: the thickness of the permeable reactive barrier 100 is at least 1/4 of the diameter of the water intake well 500, the cross section of the permeable reactive barrier 100 is annular when the water intake well 500 is perforated by a rotary drilling machine, the depth of the permeable reactive barrier 100 is determined according to the depth of the water intake well 500, at least the water barrier of the soil is needed to be below, and partial water flow from the river must pass through the permeable reactive barrier 100 when the water flow from the river enters the water intake well 500 from the periphery, so that the water flowing into the water intake well 500 from the periphery can be purified. In addition, in the construction engineering of the permeable reactive barrier 100, the air-packing tape in the soil layer can be fixed by high-pressure injection of cement, so that collapse accidents caused by loosening of the air-packing tape in the construction process can be prevented.

In other embodiments, referring to fig. 1, 2 and 3, the water intake well protection structure of the embodiment of the present application, the permeable reactive barrier 100 includes two net-shaped sleeves 110, one of the two sleeves 110 is sleeved in the other sleeve, a mounting cavity 120 is formed between the two sleeves 110, and the reactive filler assembly 200 is inserted in the mounting cavity 120.

In particular, the permeable reactive barrier 100 includes two meshed sleeves 110, the two meshed sleeves 110 are thin, strong in strength and strong in supporting force, soil on two sides is prevented from obliquely collapsing toward the middle of the permeable reactive barrier 100, the permeable reactive barrier 100 is blocked, one of the two sleeves 110 is sleeved in the other sleeve, an installation cavity 120 is formed between the two sleeves 110, the capacity of the installation cavity 120 is large, the periphery and the bottom surface of the installation cavity 120 are closed, the upper end of the installation cavity is opened, the reactive filler assembly 200 enters the installation cavity 120 from the upper end opening, and the reactive filler assembly 200 is inserted into the installation cavity 120. The reaction packing assembly 200 may be disposed in the installation cavity 120 according to practical circumstances, and the present application is not limited thereto.

The sleeve 110 may be made of a material selected according to different soil characteristics and space structures, for example, a metal mesh or geotextile, wherein the metal mesh is a mesh structure woven by metal wires, has a certain supporting strength, and the geotextile is a mesh structure made of fiber or synthetic materials, so that soil collapse can be prevented, which is not limited in the present application.

According to the water taking well protection structure, the sleeves 110 of the permeable reactive barrier 100 are mutually sleeved to form the installation cavity 120 to accommodate the reactive filling assembly 200, the installation cavity 120 has large capacity, the reactive filling assembly 200 is flexibly and variously arranged, the permeable reactive barrier 100 is simple to form, and the efficiency of arranging the permeable reactive barrier 100 is improved.

In some embodiments, and in conjunction with fig. 4 and 5, the water intake well guard structure of the present application, the reactive filler assembly 200 includes a permeable membrane 210 and a reactive filler coated within the permeable membrane 210.

In particular, the reactive charge assembly 200 includes a permeable membrane 210 and a reactive charge encased within the permeable membrane 210. The reaction filler assembly 200 is made of rigid materials, has a certain supporting effect, is connected with the framework through the permeable membrane 210, is integrated in the framework, forms a closed space in the permeable membrane 210, and is arranged in the closed space, so that the reaction filler cannot overflow.

In other embodiments, where the frame is only in contact with the permeable membrane 210, the frame provides support for the permeable membrane 210, the frame will move along with the suspension string when the suspension string is pulled, and the permeable membrane will move along with the direction of movement of the frame.

The permeable membrane 210 has a reticular membrane structure on the surface, a layer of dense capillary holes are formed on the surface, a reaction filler is wrapped in the permeable membrane, good solute separation rate and water permeation rate are achieved, and the permeable membrane 210 is made of a polyester composite material.

In the water intake well protection structure of the embodiment of the application, the reaction filler assembly 200 comprises the permeable membrane 210 and the reaction filler coated in the permeable membrane 210, water flowing through the reaction filler assembly can pass through the permeable membrane 210 to react with the reaction filler to purify pollutants, the single reaction filler assembly 200 purifies and filters local water flow, and the permeable reaction wall 100 filled by the reaction filler assembly 200 realizes the purification and filtration of the whole water intake well 500, so that the purification effect is good and the efficiency is high.

In some realizable modes, in combination with fig. 1, 2 and 4, the water intake well protection structure in the embodiment of the application, the reaction filler is at least one of active carbon, zeolite, zero-valent iron and oxygen release material.

In the concrete implementation, the reaction filler is at least one of active carbon, zeolite, zero-valent iron and oxygen release material, the active carbon adsorbs heavy metal ions, the zeolite has adsorption and ion exchange functions, the zero-valent iron reduces the heavy metal ions into soluble or insoluble metal precipitates, and the oxygen release material can enhance the oxidation performance of the reaction process by releasing oxygen and promote the oxidation and precipitation of heavy metals. In some embodiments, different reactive charges are filled into different reactive charge assemblies 200, and permeable reactive barrier 100 may be simultaneously targeted to multiple contaminants.

The application mainly aims at heavy metals and nitrogen oxides as pollutants, and the components comprise active carbon, zeolite, zero-valent iron and oxygen release materials, and a series of chemical reactions such as adsorption, exchange, reduction and the like are utilized. Activated carbon may be employed for example for heavy metal ions such as mercury, lead, cadmium, etc.; activated carbon and zeolite; activated carbon and zero-valent iron; activated carbon, zeolite, and zero-valent iron. For nitrogen oxides such as nitric oxide, nitrogen dioxide and the like, oxygen release materials can be adopted; oxygen releasing material and active carbon; oxygen release materials, zeolites and activated carbon release; oxygen release material, activated carbon and zero-valent iron; oxygen releasing material, active carbon, zeolite and zero-valent iron. The ratio of the reactive filler and the choice of materials may be adjusted according to the type and concentration of the particular contaminant, and the application is not limited in this regard.

The water well protection structure in the embodiment of the application has the advantages that the reaction filler is at least one of active carbon, zeolite, zero-valent iron and oxygen release materials, the components of the reaction filler are simple, the price is low, the capability of removing dirt and impurities is strong, the reaction activity time is long, the reaction filler can be developed into powder, and the reaction filler is arranged in a reaction filler assembly 200 with any shape, and the decontamination efficiency is high.

In some embodiments, referring to fig. 1 and 2, the water intake well protection structure in the embodiments of the present application has a density of the reactive filler on the side facing the river that is greater than the density on the side facing away from the river.

In particular, the density of the reactive charge on the side facing the river is greater than the density on the side facing away from the river, and one reactive charge assembly 200 is divided into two half-rings, one of which is closer to the river and the density is greater than the other. This density difference depends on the density of the reactive charge assembly 200 itself, or the manner in which groups of reactive charge assemblies 200 are densely packed. On the one hand, the density of the reaction packing assembly 200 on the side facing the river is higher than that of the reaction packing assembly 200 on the side facing away from the river, and the reaction packing assembly 200 with high density contains more reaction packing; on the other hand, the packing density of the reaction packing assembly 200 on the side facing the river is greater than that of the reaction packing assembly 200 on the side facing away from the river, forming a differential density structure. When water permeates through the water intake well protection structure, pollutants are adsorbed and reacted, and firstly pass through the side with high density and then enter the side with low density.

According to the water well protection structure provided by the embodiment of the application, through the differential density design, the reaction packing assembly 200 which is close to a river and has high density can effectively slow down the speed and impact force of water flow, reduce the flushing and erosion of the packing assembly, and ensure the stability and long-term service life of the reaction packing assembly 200. The density difference reaction filler has strong pollutant adsorption and degradation capability, can effectively intercept and degrade pollutants, and is more efficient in pollutant filtration.

In some embodiments, referring to fig. 1, 2 and 4, in the water intake well protection structure in the embodiment of the present application, the number of reaction packing assemblies 200 is plural, and each reaction packing assembly 200 is sequentially stacked along the extending direction of the permeable reactive barrier 100; one of the two adjacent reaction packing assemblies 200 is provided with a first connecting portion 201, the other is provided with a second connecting portion 202, and the first connecting portion 201 is connected with the second connecting portion 202.

In particular, the reactive charge assembly 200 is stacked according to the annular thickness of the permeable reactive barrier 100, and is sequentially stacked along the extension direction of the permeable reactive barrier 100. The lamination mode comprises unidirectional lamination, staggered lamination and annular lamination. In one-way stacking, the reaction filling assemblies 200 are stacked in parallel to form one or more rows, and then the rows are aligned to each other, so that the cross section of the stack is rectangular, and the stacking mode has high reaction filling throwing efficiency. When the reaction filling components 200 are stacked in a staggered manner, firstly, the reaction filling components 200 are stacked in parallel to form one or more rows, then, the reaction filling components 200 are offset from one row to another, and the cross section of the stack is honeycomb, so that the contact area and the mixing effect can be increased, and the reaction efficiency is improved. In the case of annular stacking, it is necessary to combine the reaction packing members 200 of different shapes or to combine the reaction packing members 200 of rectangular parallelepiped shape by cutting, chamfering, etc. the reaction packing members 200 are fitted to the arc-shaped inner walls of the permeable reaction wall 100.

According to the water intake well protection structure in the embodiment of the application, the number of the reaction filler assemblies 200 is multiple, each reaction filler assembly 200 is sequentially stacked along the extending direction of the permeable reaction wall 100, the reaction filler assemblies 200 are stacked on the permeable reaction wall 100, two adjacent reaction filler assemblies 200 are connected with the second connecting part 202 through the first connecting part 201, the reaction filler assemblies 200 can be transversely and longitudinally disassembled, the structure is compact, water flowing to the water intake well 500 is filtered layer by layer, the reaction with pollutants is complete, the decontamination effect is good, and the efficiency is high.

In other embodiments, referring to fig. 2 and 4, in the water intake well protection structure according to the embodiment of the present application, the first connection portion 201 and the second connection portion 202 are located at opposite ends of the reaction packing assembly 200, respectively.

In particular, the first connecting portion 201 and the second connecting portion 202 are disposed at two ends of the reaction filling assembly 200, so as to realize connection between the reaction filling assembly 200 and the reaction filling assembly 200. In use, the first connection 201 of the reactive charge assembly 200 is connected to the second connection 202 of the laterally adjacent reactive charge assembly 200. In some embodiments, the reaction packing assembly 200 is cubical, cylindrical, annular in shape, and the reaction packing assembly 200 may also be manufactured in a variety of custom shapes according to particular needs, as the application is not limited in this regard.

According to the water taking well protection structure, the left and right stress balance of the reaction filler assembly 200 is realized through the connection of the first connecting part 201 and the second connecting part 202, the impact of flowing water is born, the left and right movement is avoided, the decontamination is stably realized, and the reaction with pollutants is fully stable.

In some embodiments, referring to fig. 1 and 4, the first connection portion 201 is a protrusion, and the second connection portion 202 is a groove matching the protrusion.

In particular, the first connecting portion 201 is a protrusion and the second connecting portion 202 is a recess, and the protrusion and the recess are mutually engaged. When the connecting device is used, no additional tools or equipment are needed, the protrusions and the grooves are aligned and inserted, connection can be completed, connection is simple, and operation is convenient.

Through the cooperation mode of protruding and recess, firm in connection is difficult for becoming flexible or drops, has increased the stability of connecting piece, and the structure of protruding and recess can bear great pulling force, and tensile strength is strong, can bear great moment, and protruding and recess's contact fit area is big, can effectively disperse the stress of connecting piece, has reduced the wearing and tearing and the damage of connecting piece, extension reaction filler assembly 200's life.

In other embodiments, referring to fig. 1 and 2, the water intake well protection structure in the embodiment of the present application further includes a fixing member 400, where the fixing member 400 is configured to be disposed on the water intake well 500, and the fixing member 400 is configured to fix the hanging rope 300.

In concrete implementation, the fixing piece 400 is arranged at the wellhead of the water intake well 500, the fixing piece 400 is a cement table outside the wellhead, the cement table is connected with a mounting ring, the mounting ring is annular and used for fixing the hanging rope 300, and the hanging rope 300 can be directly tied on the annular and also can be connected with the water intake well 500 through a hook. When in use, the hanging rope 300 is close to one end of the wellhead of the water intake well 500, is tied at the wellhead by a rope tying mode, and is marked with a waterproof marker. The mount 400 is typically made of a corrosion, high temperature, and wear resistant material.

According to the water taking well protection structure provided by the embodiment of the application, the fixing piece 400 can stabilize the hanging rope 300, prevent the hanging rope 300 from loosening or falling off, and can be used for a long time under severe environmental conditions, so that the service lives of the fixing piece 400 and the hanging rope 300 are prolonged.

The reaction filling assembly 200 needs to be replaced periodically, the common replacement period is 5 years, and the replacement time of the replacement period needs to be determined according to the local soil, water quality, the type and degree of pollutants and the underground flow rate, which is not limited in the application. The reason for the replacement is that the raw material of the reaction packing is gradually consumed in a reduced amount as the reaction proceeds, and the reaction packing adsorbs many precipitates as the reaction proceeds, and if not replaced in time, the permeable reactive barrier 100 is blocked.

And in the process of replacing the reaction filler, the hanging rope 300 is untied from the upper part of the water taking well, one end of the hanging rope 300 is pulled up, the hanging rope 300 is lifted up to overcome the friction force and the gravity between the filler module and the reaction wall, the reaction filler assembly 200 is connected with the hanging rope 300, the reaction filler assembly 200 gradually leaves the permeable reaction wall 100 along with the lifting of the hanging rope 300, the hanging rope 300 can swing sideways or incline slightly so as to enable the reaction filler assembly 200 to completely separate from the permeable reaction wall 100, finally, the reaction filler assembly 200 is taken out from the permeable reaction wall 100, new reaction filler is replaced into the reaction filler assembly 200, and the reaction filler assembly 200 is placed at the original position of the permeable reaction wall 100 by using the hanging rope 300.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

Claims (9)

1. The utility model provides a water intake well protective structure for water intake well pollution remediation is managed to river by-pass groundwater, its characterized in that, including permeable reaction wall (100), reaction filler subassembly (200) and suspension rope (300), permeable reaction wall (100) are used for setting up in water intake well (500) one side towards the river, reaction filler subassembly (200) set up in permeable reaction wall (100), just reaction filler subassembly (200) with permeable reaction wall (100) can dismantle and be connected, reaction filler subassembly (200) are used for handling water pollutant, suspension rope (300) are used for setting up the wellhead of water intake well (500), just suspension rope (300) with the upper portion of reaction filler subassembly (200) is connected.

2. The water intake well protection structure according to claim 1, wherein the permeable reactive barrier (100) is annular, the permeable reactive barrier (100) is configured to be wound around the outer peripheral side of the water intake well (500), and the inner side wall of the permeable reactive barrier (100) is configured to be matched with the outer side wall of the water intake well (500).

3. The water intake well protection structure according to claim 2, wherein the permeable reactive barrier (100) comprises two meshed sleeves (110), one of the two sleeves (110) is sleeved in the other sleeve, a mounting cavity (120) is formed between the two sleeves (110), and the reactive filler assembly (200) is inserted in the mounting cavity (120).

4. The water intake well protection structure of claim 1, wherein the reactive filler assembly (200) comprises a permeable membrane (210) and a reactive filler encased within the permeable membrane (210).

5. The water intake well protection structure of claim 4, wherein the reactive filler has a density on a side facing the river that is greater than a density on a side facing away from the river.

6. The water intake well protection structure according to claim 1, wherein the number of the reaction packing assemblies (200) is plural, and each reaction packing assembly (200) is sequentially stacked along the extending direction of the permeable reaction wall (100);

One of the two adjacent reaction packing assemblies (200) is provided with a first connecting part (201), the other one is provided with a second connecting part (202), and the first connecting part (201) is connected with the second connecting part (202).

7. The water intake well protection structure according to claim 6, wherein the first connection portion (201) and the second connection portion (202) are located at opposite ends of the reaction packing assembly (200), respectively.

8. The water intake well protection structure according to claim 6, wherein the first connection portion (201) is a protrusion, and the second connection portion (202) is a groove matching the protrusion.

9. The water intake well protection structure of claim 1, further comprising a fixing member (400), the fixing member (400) being configured to be disposed on the water intake well (500), the fixing member (400) being configured to fix the suspension string (300).