CN213701218U

CN213701218U - Circulating well device for in-situ remediation of organic polluted underground water

Info

Publication number: CN213701218U
Application number: CN202022395826.6U
Authority: CN
Inventors: 周健
Original assignee: Dongfang Mingke Construction Co Ltd
Current assignee: Dongfang Mingke Construction Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-16
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a circulating well device for in-situ remediation of organic polluted groundwater, which comprises a well body, a closed cover, an aeration pipe and an air pump; well body: a top seat is arranged at the wellhead on the upper side, and an isolation cover is fixed in the middle of the well body; closing the cover: the upper end of the water pump is fixed on the inner side of the upper surface of the isolation cover, a filtering component is arranged in a side surface mounting groove of the isolation cover, a water pump is fixed in a mounting groove in the middle of the bottom surface of the isolation cover, and a circulating pipe in the vertical direction is fixed in a mounting hole in the edge position of the bottom surface of the isolation cover; an aeration pipe: the lower side outlet end is fixed on the connector on the side face of the closed cover, the upper end inlet end of the aeration pipe is connected with the lower port of the air inlet pipe, the air pump is fixed on the upper surface of the top seat, the air outlet of the air pump is connected with the upper port of the air inlet pipe, and the circulating well device for repairing the organic polluted underground water in situ is convenient to install in a well body, improves circulation in the well and between soil layer water, and improves repairing efficiency.

Description

Circulating well device for in-situ remediation of organic polluted underground water

Technical Field

The utility model relates to a ground water level restores technical field, specifically is a be used for prosthetic circulation well device of organic pollution groundwater normal position.

Background

Underground water is a precious fresh water resource for human beings, but with the continuous development of the social industrialization process, the problems of waste water discharge, industrial waste residues, agricultural irrigation, landfill site leakage, damage of transport pipelines and storage tanks of petrochemical raw materials and the like can cause underground water pollution, so that the problem of water resource shortage which is originally nervous is more serious, and serious threats and challenges are formed for human living health, food safety, drinking water safety, regional ecological environment, sustainable development of economy and society and even social stability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a be used for prosthetic circulation well device of organic pollution groundwater normal position, it is internal to conveniently install the well, improves the circulation in the well and between the soil layer water simultaneously, improves prosthetic efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a circulating well device for in-situ remediation of organic polluted underground water comprises a well body, a closed cover, an aeration pipe and an air pump;

well body: a top seat is arranged at the wellhead on the upper side, and an isolation cover is fixed in the middle of the well body;

closing the cover: the upper end of the water pump is fixed on the inner side of the upper surface of the isolation cover, a filtering component is arranged in a side surface mounting groove of the isolation cover, a water pump is fixed in a mounting groove in the middle of the bottom surface of the isolation cover, and a circulating pipe in the vertical direction is fixed in a mounting hole in the edge position of the bottom surface of the isolation cover;

an aeration pipe: the lower side outlet end is fixed on a connector on the side surface of the closed cover, the upper end inlet end of the aeration pipe is connected with the lower port of the air inlet pipe, the air pump is fixed on the upper surface of the top seat, and the air outlet of the air pump is connected with the upper port of the air inlet pipe;

wherein: the upper end of the collecting pipe is fixed on the upper surface of the top seat, and the lower end of the collecting pipe penetrates through and extends to a position between the side walls of the isolation cover and the closed cover.

Further, still include stay cord and hasp, the whole angle such as cylindric and upside anchor ring that is of cage is fixed with the stay cord, the upper surface at the footstock is fixed to the hasp, the hasp is fixed with the upper end lock joint of the stay cord that corresponds, fixes cage and enclosure through stay cord and hasp, conveniently goes up and down and installs.

Furthermore, the closed cover comprises a cavity pipe and a conical seat, an opening at the upper end of the cavity pipe is fixedly connected with the inner side of an opening on the upper surface of the isolation cover, an upper port of the conical seat is in transitional connection with a lower port of the cavity pipe, the conical seat is large in upper part and small in lower part, a closed cavity is formed by the closed cover and the isolation cover, and a place is provided for air stripping and isolation repair.

Further, filtering component includes frid, pellicle and reductant, the frid is fixed in the mounting groove of chamber pipe side, two port departments are sealed through the pellicle in the frid, are equipped with the reductant between the pellicle, keep apart the restoration through pellicle and reductant.

The aeration pipe is provided with a water inlet, a water outlet and a water outlet, the aeration pipe is provided with a water inlet, the water outlet is provided with a water outlet, the water inlet is provided with a water outlet, the water outlet is provided with a water outlet, the.

Compared with the prior art, the beneficial effects of the utility model are that: this a circulating well device for organic contaminated groundwater normal position is restoreed has following benefit:

1. according to the circulating well device for in-situ remediation of organic polluted underground water, the closed cavity is formed by the closed cover and the isolation cover, so that a place is provided for gas stripping and isolation remediation, the circulating well device is fixed with an external top seat through the pull rope and the lock catch, the circulating well device can be integrally moved, and the circulating well device is convenient to install;

2. water in the well is introduced into the inner cavities of the isolation cover and the closed cover through the water pump, external compressed air is introduced through the air pump, air stripping is realized through mixing, pollutants in an adsorption state, a dissolution state or a free phase are converted into a gas phase, separation of the pollutants is realized, collection is performed through the collecting pipe, and a water body is filtered through the filtering assembly to realize permeation remediation;

3. the pressure in the isolation cover is increased by introducing gas, so that pressure difference is generated on the upper side and the lower side of the water pump, water in a soil layer enters from the lower end of the well body, and the water in the well body permeates into the soil layer on the outer side through the filtering component at the middle part, so that circulation is realized, and the circulation and repair efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1 well body, 2 footstocks, 3 isolation covers, 301 pull ropes, 302 latches, 4 closing covers, 401 cavity pipes, 402 conical seats, 5 filtering components, 501 trough plates, 502 semipermeable membranes, 503 reducing agents, 6 water pumps, 7 circulating pipes, 701 turbulence sheets, 8 aeration pipes, 9 air inlet pipes, 10 air pumps, 11 collecting pipes and 12 pressure reducing valves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a circulating well device for in-situ remediation of organic polluted underground water comprises a well body 1, a closed cover 4, an aeration pipe 8 and an air pump 10;

a well body 1: a top seat 2 is arranged at the wellhead at the upper side, and an isolation cover 3 is fixed in the middle of the well body 1;

the isolation cover 3 is cylindrical as a whole, the pull rope 301 is fixed on the upper annular surface of the isolation cover 3 at equal angles, the lock catch 302 is fixed on the upper surface of the top base 2, and the lock catch 302 is buckled with the upper end of the corresponding pull rope 301;

the closed cavity is formed by the closed cover 4 and the isolation cover 3, so that a place is provided for air stripping and isolation repair, the external top seat 2 is fixed by the pull rope 301 and the lock catch 302, and the whole body can move and is convenient to mount;

the closing cover 4: the upper end of the separating cover is fixed on the inner side of the upper surface of the separating cover 3, a filter assembly 5 is arranged in a mounting groove on the side surface of the separating cover 3, a water pump 6 is fixed in the mounting groove in the middle of the bottom surface of the separating cover 3, a circulating pipe 7 in the vertical direction is fixed in a mounting hole at the edge position of the bottom surface of the separating cover 3, the separating cover further comprises turbulence pieces 701, the turbulence pieces 701 are fixed on the outer side of the upper end of the circulating pipe 7, and the turbulence pieces 701 correspond to;

the closed cover 4 comprises a cavity tube 401 and a conical seat 402, an upper end opening of the cavity tube 401 is fixedly connected with the inner side of an upper surface opening of the isolation cover 3, an upper port of the conical seat 402 is in transitional connection with a lower port of the cavity tube 401, and the conical seat 402 is large in upper part and small in lower part;

the filtering component 5 comprises a groove plate 501, a semi-permeable membrane 502 and a reducing agent 503, wherein the groove plate 501 is fixed in a mounting groove on the side surface of the cavity tube 401, the inner port and the outer port of the groove plate 501 are sealed by the semi-permeable membrane 502, and the reducing agent 503 is arranged between the semi-permeable membranes 502;

an aeration pipe 8: the lower side outlet end is fixed on a connector on the side surface of the closed cover 4, the upper end inlet end of the aeration pipe 8 is connected with the lower port of the air inlet pipe 9, the air pump 10 is fixed on the upper surface of the top seat 2, and the air outlet of the air pump 10 is connected with the upper port of the air inlet pipe 9;

the pressure in the isolation cover 3 is increased by introducing gas, so that pressure difference is generated between the upper side and the lower side of the water pump 10, water in the soil layer enters from the lower end of the well body 1, and the water in the well body 1 permeates into the soil layer on the outer side through the filtering component 5 in the middle part, so that circulation is realized, and the efficiency of circulation and restoration is improved;

wherein: the device also comprises a collecting pipe 11 and a pressure reducing valve 12, wherein the upper end of the collecting pipe 11 is fixed on the upper surface of the top seat 2, and the lower end of the collecting pipe 11 penetrates through and extends between the side walls of the isolation cover 3 and the closing cover 4.

This be used for prosthetic circulation well device of organic pollution groundwater normal position, through the water in the water pump 6 introduces the well to the inner chamber of cage 3 and closing cap 4, introduce external compressed air through air pump 10, mix and realize the air stripping, change the pollutant of adsorption state, dissolved state or free phase into the gaseous phase, realize the separation of pollutant, collect through collecting pipe 11, the water filters through filter assembly 5, realizes permeating and restores.

When in use:

the isolation cover 3 integrally falls into the water body of the well body 1 through an external winch, the upper end of a pull rope 301 is connected with a lock catch on the top seat 2, a water pump 6 works to introduce water in the well into the inner cavities of the isolation cover 3 and the closed cover 4 to realize longitudinal lifting of the water body in the well body 1, most of the water returns to the bottom of the well body 1 through a circulating pipe 7 to realize internal circulation of the well body 1, a small part of the water permeates outwards from the middle part of the well body 1 after being filtered by a filter assembly 5, external air is introduced through an air pump 10 and is sprayed into the inner cavities of the isolation cover 3 and the closed cover 4 through an aeration pipe 8, a fluid impact turbulence sheet 701 forms irregular turbulence to convert pollutants in an adsorption state, a dissolution state or a free phase into a gas phase to realize separation of the pollutants, the pollutants are collected through a collecting pipe 11, and a pressure reducing valve 12 can keep constant pressure in the isolation cover 3 and the, and an air cavity is reserved, a certain pressure is kept, the penetration of the water body to the outer soil layer through the filtering component 5 is accelerated, meanwhile, the water in the soil layer permeates into the well body 1 from the bottom and is lifted by the water pump 6, and the external circulation between the well body 1 and the outer soil layer is increased.

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.

Claims

1. A circulating well device for in-situ remediation of organic polluted underground water is characterized in that: comprises a well body (1), a closed cover (4), an aeration pipe (8) and an air pump (10);

well body (1): a top seat (2) is arranged at the wellhead at the upper side, and an isolation cover (3) is fixed in the middle of the well body (1);

closure cap (4): the upper end of the water pump is fixed on the inner side of the upper surface of the isolation cover (3), a filtering component (5) is arranged in a mounting groove in the side surface of the isolation cover (3), a water pump (6) is fixed in the mounting groove in the middle of the bottom surface of the isolation cover (3), and a circulating pipe (7) in the vertical direction is fixed in a mounting hole in the edge position of the bottom surface of the isolation cover (3);

aeration pipe (8): the lower side outlet end is fixed on a connector on the side surface of the closed cover (4), the upper end inlet end of the aeration pipe (8) is connected with the lower end opening of the air inlet pipe (9), the air pump (10) is fixed on the upper surface of the top seat (2), and the air outlet of the air pump (10) is connected with the upper end opening of the air inlet pipe (9);

wherein: the device is characterized by further comprising a collecting pipe (11) and a pressure reducing valve (12), wherein the upper end of the collecting pipe (11) is fixed on the upper surface of the top seat (2), and the lower end of the collecting pipe (11) penetrates through and extends between the side walls of the isolation cover (3) and the closed cover (4).

2. A circulating well device for in situ remediation of organically contaminated groundwater according to claim 1, wherein: still include stay cord (301) and hasp (302), whole being cylindric and upside anchor ring equidistance is fixed with stay cord (301) in cage (3), the upper surface at footstock (2) is fixed in hasp (302), hasp (302) and the upper end lock joint of stay cord (301) that corresponds.

3. A circulating well device for in situ remediation of organically contaminated groundwater according to claim 1, wherein: the closed cover (4) comprises a cavity tube (401) and a conical seat (402), an opening at the upper end of the cavity tube (401) is fixedly connected with the inner side of an opening on the upper surface of the isolation cover (3), an upper port of the conical seat (402) is in transition connection with a lower port of the cavity tube (401), and the conical seat (402) is large in size at the top.

4. A circulating well device for in situ remediation of organically contaminated groundwater according to claim 3, wherein: filter component (5) include frid (501), pellicle (502) and reductant (503), frid (501) are fixed in the mounting groove of chamber pipe (401) side, two port departments are sealed through pellicle (502) inside and outside frid (501), are equipped with reductant (503) between pellicle (502).

5. A circulating well device for in situ remediation of organically contaminated groundwater according to claim 1, wherein: the aerator further comprises a turbulence sheet (701), the turbulence sheet (701) is fixed on the outer side of the upper end of the circulating pipe (7), and the turbulence sheet (701) corresponds to the air outlet of the aeration pipe (8).