CN215485944U - Recharge well head protective structure - Google Patents

Abstract

The utility model discloses a wellhead protection structure of a recharge well, which comprises: interior casing, it sets up to the tetrahedron shell form, the surface mounting of interior casing has the heat dissipation casing, and installs the water level scale table in one side of heat dissipation casing, the water level scale table is inside to be connected with the meshing of buoyancy pointer, and the buoyancy pointer can slide from top to bottom in the scale is inside, the last surface mounting of interior casing has the inspection door, the last fixed surface of interior casing has the thermometer, and the thermometer runs through interior casing water conservancy slope, and it sets up to the annular form and installs the below inner wall of interior casing, the one end lower surface and the one end of recovery pipeline of water conservancy slope are connected. This recharge well head protective structure, the water pump below is irritated the mouth and just is provided with the grit filter screen and filters solid construction earlier, sets up chemical filter screen warp volume again and filters some chemical substances in the pipe below of irritating, and the abandonment geothermal water of accomplishing to irritate as far as possible filters the chemical pollution that reduces the environment.

Description

Recharge well head protective structure

Technical Field

The utility model relates to the technical field of recharge well protection, in particular to a recharge well mouth protection structure.

Background

The recharging well generally refers to a well for injecting and disposing corrosive or harmful liquid, generally most recharging wells are used for disposing waste geothermal water, geothermal water refers to underground water with the temperature higher than surrounding rock of an observation depth, the number and the pumping quantity of the geothermal wells are increased year by year along with the continuous development of geothermal exploitation and utilization, a large amount of pumped water is not recharged, the water level is liable to continuously decrease, and the continuous development of geothermal heat is not facilitated, so that the recharging well is formed for recharging the waste geothermal water underground, but most of the recharging wells directly recharge the waste geothermal water underground without filtering, and the waste geothermal water is not recharged continuously due to the fact that too much waste geothermal water is recharged at one time, and the waste geothermal water is not infused in a backflow mode, is not infused into a surface soil pollution environment and cannot be disposed due to the fact that the waste geothermal water is recharged in a backflow mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wellhead protection structure of a recharge well, and aims to solve the problems that recharge waste geothermal water is directly poured underground without being filtered, too much waste geothermal water is poured at one time, the waste geothermal water is in a reverse flow state, the pouring is interrupted, the waste geothermal water cannot be poured continuously, and the waste geothermal water cannot be treated and seeped into surface soil to pollute the environment and cannot be treated when being poured in the reverse flow state.

In order to achieve the purpose, the utility model provides the following technical scheme: a wellhead protection structure of a recharge well comprises an inner shell, wherein the inner shell is arranged in a tetrahedral shell shape, a heat dissipation shell is arranged on the outer surface of the inner shell, a water level scale is arranged in one side of the heat dissipation shell, the interior of the water level scale is connected with a buoyancy pointer in a meshed mode, the buoyancy pointer can slide up and down in the scale, an inspection door is arranged on the upper surface of the inner shell, one side of the inspection door is close to the edge of the inner shell, a thermometer is fixed on the upper surface of the inner shell, and the thermometer penetrates through the inner shell;

the water power gradient is arranged in a ring shape and is arranged on the inner wall below the inner shell, the lower surface of one end of the water power gradient is connected with one end of the recovery pipeline, the inner ring of the water power gradient is connected with the irrigation tank, the water collection slope is arranged in the irrigation tank, the one-way water valve is arranged in the water collection slope, the metal filter tank is fixed at the upper end of the irrigation tank and penetrates through the upper end of the irrigation tank, the buffer tank is fixed above the metal filter tank, water outlets are arranged on two sides of the buffer tank, chemical filter screens are arranged on two sides of the interior of the buffer tank and penetrate through the buffer tank and the metal filter tank;

the recharge pipeline is of a Y-shaped pipeline structure, one section of the pipeline structure is short, the other section of the pipeline structure is long, the lower end of the recharge tank is penetrated by the long end of the recharge pipeline, one end of the one-way water valve extends into the recharge pipeline, and the short end of the recharge pipeline is connected with the other end of the recovery pipeline;

the pipe of irritating sets up to pipeline column structure, interior casing top center is fixed with the pipe of irritating, and irritates the pipe and run through interior casing, the lower extreme of irritating the pipe stretches into in the metal filter case fixed mutually with buffer tank, including the pipe top of irritating install the switch floodgate in the casing top, it is provided with the water pump to irritate the pipe upper end, and one side of water pump is provided with the inspection door that can open, water pump below delivery port is fixed with the grit filter screen to the grit filter screen is at the intraduct of irritating.

By adopting the technical scheme, the device can recharge the waste geothermal water to the deep part of the stratum when in use, and the wellhead protection capability of the recharge well is improved, so that the resource waste of the geothermal water is reduced.

Preferably, the buffer water tank is of a hollow shell-shaped structure, a plurality of water outlets are arranged on two sides close to the upper side of the buffer water tank for balance, and two fixing buckles are arranged below the inner wall of the buffer water tank and clamped with the chemical filter screen.

By adopting the technical scheme, the device can effectively control the recharging speed and flow of the waste geothermal water when in use, so that the possibility of countercurrent recharging is reduced.

Preferably, the water collecting slope is of an annular structure, the outer ring of the water collecting slope is higher than the bottom of the inner ring, and the inner ring completely wraps the one-way water valve.

By adopting the technical scheme, all the poured waste geothermal water can be guided into the recharge well when the recharge well is used, and the overflow is avoided.

Preferably, one-way water valve is including last casing, lower casing, inner bag, the net mouth of intaking, play water net mouth, spherical floodgate, it is the block structure with lower casing to go up the casing, and the casing inner wall is fixed with the inner bag down, the inner bag upper end is under the narrow wide structure, and runs through the casing above the inner bag upper end is fixed with the net mouth of intaking, and the inner bag upper end is fixed with a water net mouth to the inside spherical floodgate that is provided with of inner bag.

By adopting the technical scheme, the device can block the geothermal water which is reversely recharged in the recharging pipeline when in use, and waste geothermal water is placed to flow out to cause resource waste.

Preferably, the recycling pipe is including preventing the buckle against the current, preventing the filter screen that falls, preventing buoyancy ball against the current, the inner wall that the recycling pipe is close to the recharging pipe is fixed with prevents the filter screen that falls, and is fixed with on the inner wall that the recycling pipe kept away from the recharging pipe and prevents the buckle against the current, and prevents the buckle against the current and prevent the filter screen and be in form a cavity in the recycling pipe to the internal portion of cavity of recycling pipe is provided with buoyancy ball.

By adopting the technical scheme, the device keeps the discharged waste geothermal water to smoothly flow into the recharge well when the recovery pipeline is used, and the influence is reduced.

Preferably, the recharge pipeline is including preventing baffle, fixed rotating shaft against the current, fixed rotating shaft is installed with longer pipeline intersection to the shorter one end pipeline of recharge pipeline, and fixed rotating shaft is connected with prevents the baffle against the current to there is the one end and the recharge pipeline below inner wall block of preventing the baffle against the current.

By adopting the technical scheme, the device can ensure that the recharge pipeline cannot overflow from the recovery pipeline to cause discharge when in normal use.

Compared with the prior art, the utility model has the beneficial effects that: this recharge well head protective structure:

1. when the wellhead protection structure of the recharge well is used, a sand filter screen is arranged at a recharge inlet below the water pump to filter solid structures firstly, a chemical filter screen is arranged below the recharge pipe to filter some chemical substances, and the waste geothermal water which is recharged is filtered as much as possible to reduce the chemical pollution of the environment;

2. when the recharge well wellhead protection structure is used, the buffer water tank connected with the irrigation pipe receives a large amount of filtered waste geothermal water to carry out continuous and uninterrupted irrigation and transportation, and the waste geothermal water can be uniformly irrigated into the recharge well to reduce the backflow of the waste geothermal water to the ground, so that the environmental and chemical pollution of ground soil is caused, and the huge waste and loss of the precious compound geothermal resources are caused;

3. when using this recharge well head protective structure, lead to inside abandonment geothermal water earial drainage or leading to abandonment geothermal water to flow out against the current recharge in the case damage of watering leads to, ponding in the inner shell, also can flow into the recharge pipeline once more in the slope flow direction recovery pipeline along with the water conservancy slope in to flow into in the recharge well, in time handle the abandonment geothermal water of earial drainage.

Drawings

FIG. 1 is a front elevation view of the interior of the present invention;

FIG. 2 is a schematic view of an interior elevation of a one-way water valve according to the present invention;

FIG. 3 is a schematic view of the interior of the recovery pipe in elevation according to the present invention;

FIG. 4 is a schematic diagram of the overall front top view of the present invention;

fig. 5 is a front view of the heat dissipation housing according to the present invention.

In the figure: 1. an inner housing; 2. a heat dissipating housing; 3. an inspection door; 4. a thermometer; 5. a water level scale; 6. a buoyancy pointer; 7. hydraulic gradient; 8. filling a water tank; 9. collecting water slopes; 10. a one-way water valve; 1001. an upper housing; 1002. a lower housing; 1003. an inner container; 1004. a water inlet net port; 1005. a water outlet net port; 1006. a spherical gate; 11. a recovery pipeline; 1101. a reverse flow prevention buckle; 1102. the filter screen is prevented from falling; 1103. anti-reflux buoyancy ball; 12. recharging the pipeline; 1201. an anti-reflux baffle; 1202. fixing the rotating shaft; 13. filling a pipe; 14. switching on and off; 15. a water pump; 16. a sand filter screen; 17. chemical filter screen; 18. a buffer water tank; 19. a metal filter box.

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. 1-5, the present invention provides a technical solution: a wellhead protection structure of a recharge well comprises an inner shell 1, a heat dissipation shell 2, an inspection door 3, a thermometer 4, a water level scale meter 5, a buoyancy pointer 6, a hydraulic gradient 7, a recharge tank 8, a water collecting slope 9, a one-way water valve 10, an upper shell 1001, a lower shell 1002, an inner container 1003, a water inlet net port 1004, a water outlet net port 1005, a ball gate 1006, a recovery pipeline 11, an anti-reflux buckle 1101, an anti-falling filter screen 1102, an anti-reflux buoyancy ball 1103, a recharge pipeline 12, an anti-reflux baffle 1201, a fixed rotating shaft 1202, a recharge pipe 13, a switch gate 14, a water pump 15, a sand filter screen 16, a chemical filter screen 17, a buffer water tank 18 and a metal filter box 19;

the inner shell 1 is arranged in a tetrahedral shell shape, the heat dissipation shell 2 is installed on the outer surface of the inner shell 1, a water level scale 5 is installed in one side of the heat dissipation shell 2, the inside of the water level scale 5 is meshed with a buoyancy pointer 6, the buoyancy pointer 6 can slide up and down in the scale 5, the upper surface of the inner shell 1 is provided with an inspection door 3, one side of the inspection door 3 is close to the edge of the inner shell 1, the upper surface of the inner shell 1 is fixed with a thermometer 4, and the thermometer 4 penetrates through the inner shell 1;

a hydraulic slope 7 which is arranged in a ring shape and is arranged on the inner wall below the inner shell 1, the lower surface of one end of the hydraulic slope 7 is connected with one end of a recovery pipeline 11, the inner ring of the hydraulic slope 7 is connected with an irrigation box 8, a water collection slope 9 is arranged in the irrigation box 8, a one-way water valve 10 is arranged in the water collection slope 9, the one-way water valve 10 comprises an upper shell 1001, a lower shell 1002, an inner container 1003, a water inlet net port 1004, a water outlet net port 1005 and a spherical gate 1006, the upper shell 1001 and the lower shell 1002 are of a clamping structure, the inner container 1003 is fixed on the inner wall of the lower shell 1002, the upper end of the inner container 1003 is of a narrow-top and wide-bottom structure, the water inlet net port 1004 is fixed on the upper end of the inner container 1003 penetrating through the upper shell 1001 above the inner container 1003, the water outlet net port 1005 is fixed on the upper end of the inner container 1003, the spherical gate 1006 is arranged in the inner container 1003, the water collection slope 9 is arranged in a ring structure, and the outer ring of the water collection slope 9 is high-bottom, the inner ring completely wraps the one-way water valve 10, a metal filter tank 19 is fixed at the upper end of the water filling tank 8, the metal filter tank 19 penetrates through the upper end of the water filling tank 8, a buffer water tank 18 is fixed inside the upper portion of the metal filter tank 19, water outlets are formed in two sides of the buffer water tank 18, chemical filter screens 17 are installed on two sides inside the buffer water tank 18, the chemical filter screens 17 penetrate through the buffer water tank 18 and the metal filter tank 19, the buffer water tank 18 is of a hollow shell-shaped structure, a plurality of water outlets are arranged on two sides close to the upper portion of the buffer water tank to be balanced, and two fixing buckles are arranged below the inner wall of the buffer water tank and clamped with the chemical filter screens 17;

when the wellhead protection structure of the recharging well is used, firstly, the inspection door 3 on the upper surface of the inner shell 1 is opened towards one side, whether 2 chemical filter screens 17 on two sides of the metal filter box 19 above the recharging water tank 8 are fixedly inserted into the metal filter box 19 is checked, if not, the 2 chemical filter screens 17 are inserted into two holes reserved on the metal filter box 19, if the use time is too long, the 2 chemical filter screens 17 are pulled out from the metal filter box 19 for replacement, after the chemical filter screens 17 are checked to be normal, when the waste geothermal water flows into the buffer water tank 18, the 2 chemical filter screens 17 in the buffer water tank 18 start to filter, the filtered waste geothermal water is provided with a plurality of water outlets from two sides close to the upper part in the buffer water tank 18 to flow into the metal filter box 19 and then flows downwards from the inside of the metal filter box 19 into the recharging water tank 8, the waste geothermal water in the recharging water tank 8 falls onto the water collecting slope 9, as the slope changes, the waste geothermal water flows into the one-way water valve 10, enters from the water inlet net port 1004, passes through the surface of the spherical gate 1006 and flows into the recharge pipeline 12 from the water outlet net port 1005.

A recharge pipeline 12 which is in a Y-shaped pipeline structure, one section of the pipeline structure is shorter, the other section of the pipeline structure is longer, the lower end of the recharge tank 8 is penetrated through by the longer end of the recharge pipeline 12, the recharge pipeline 12 comprises an anti-reflux baffle 1201 and a fixed rotating shaft 1202, the fixed rotating shaft 1202 is installed at the intersection of the shorter end pipeline of the recharge pipeline 12 and the longer pipeline, the fixed rotating shaft 1202 is connected with the anti-reflux baffle 1201, one end with the anti-reflux baffle 1201 is clamped with the lower inner wall of the recharge pipeline 12, one end of a one-way water valve 10 extends into the recharge pipeline 12, the shorter end of the recharge pipeline 12 is connected with the other end of the recycle pipeline 11, the recycle pipeline 11 comprises an anti-reflux buckle 1101, an anti-falling filter screen 1102 and an anti-reflux buoyancy ball 1103, the inner wall of the recycle pipeline 11 close to the recharge pipeline 12 is fixedly provided with the anti-falling filter screen 1102, and the inner wall of the recycle pipeline 11 far away from the recharge pipeline 12 is fixedly provided with the anti-reflux buckle 1101, the anti-backflow buckle 1101 and the anti-falling filter screen 1102 form a cavity in the recovery pipeline 11, and a buoyancy ball 1103 is arranged inside the cavity of the recovery pipeline 11;

the filling pipe 13 is arranged in a pipeline-shaped structure, a filling pipe 13 is fixed at the center above the inner shell 1, the filling pipe 13 penetrates through the inner shell 1, the lower end of the filling pipe 13 extends into the metal filter box 19 and is fixed with the buffer water tank 18, the switch gate 14 is installed above the inner shell 1 above the filling pipe 13, the water pump 15 is arranged at the upper end of the filling pipe 13, an openable inspection door is arranged on one side of the water pump 15, a sand filter screen 16 is fixed at a water outlet below the water pump 15, and the sand filter screen 16 is arranged inside the filling pipe 13.

When the wellhead protection structure of the recharge well is used, after 2 chemical filters 17 are checked, the check door 3 on the upper surface of the inner shell 1 is closed, the switch 14 on the surface of the filling pipe 13 in the middle of the upper surface of the inner shell 1 is rotated to be opened, the water pump 15 on the uppermost surface of the filling pipe 13 is started, waste geothermal water flows into the sand filter screen 16 from one pipeline through the water pump 15, the sand filter screen 16 filters sand, when the sand filter screen 16 is blocked by sand, the check door on one side of the water pump 15 is directly opened to replace the sand filter screen 16, then the geothermal water which has filtered sand flows into the water filling tank 8 through the filling pipe 13, the geothermal water is filled into the recharge well from the recharge pipeline 12 through the one-way water valve 10, when the waste geothermal water is leaked due to damage of the water filling tank 8, the water pump 15 and the switch 14 above the inner shell 1 are firstly closed, the leaked geothermal water flows to the hydraulic gradient 7 of the lower inner wall of the inner shell 1, the backflow-preventing water flows into the recovery pipeline 11 along the slope, flows into the recovery pipeline 11 through the anti-falling filter screen 1102 on the surface of the buoyancy ball 1103 which is scratched through the anti-backflow buckle 1101 in the recovery pipeline 11, and then flows into the recharge well from a short section of the recharge pipeline 12, the anti-backflow baffle 1201 is pushed open by the impulsive force of the waste geothermal water to drive the fixed rotating shaft 1202 to open the anti-backflow baffle 1201, the recharge pipeline 12 overflows into the recovery pipeline 11 when the backflow occurs, the geothermal water cannot overflow due to the clamping of the buoyancy ball 1103 and the anti-backflow buckle 1101, and when the recharge pipeline 12 flows downwards into the waste geothermal water, the anti-backflow baffle 1201 cannot flow into the recovery pipeline 11 and only can flow into the recharge well.

The working principle is as follows: when the wellhead protection structure of the recharge well is used, the inspection door 3 is opened to inspect 2 chemical filter screens 17, the inspection door 3 is closed, the switch gate 14 is opened to start the water pump 15, waste geothermal water flows into the sandstone filter screen 16 from the water pump 15 along the pipeline, is filtered, flows to the buffer water tank 18 along the recharge pipe 13, is filtered by the chemical filter screens 17, flows to the metal filter tank 19 along the water collecting slope 9 in the recharge water tank 8, flows into the recharge well along the slope change to the one-way water valve 10 to flow into the recharge pipeline 12, when waste geothermal water is discharged, the water pump 15 and the switch gate 14 are closed, the discharged geothermal water flows to the hydraulic slope 7 and flows into the recycle pipeline 11 along the slope, and then flows into the recharge well from a shorter section of the recharge pipeline 12 to realize backflow, and the overall practicability is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A recharge well wellhead protection structure is characterized by comprising:

the water level gauge is characterized by comprising an inner shell (1) which is arranged in a tetrahedral shell shape, wherein a heat dissipation shell (2) is installed on the outer surface of the inner shell (1), a water level scale (5) is installed in one side of the heat dissipation shell (2), the inside of the water level scale (5) is meshed with a buoyancy pointer (6) and is connected with the buoyancy pointer (6), the buoyancy pointer (6) can slide up and down in the scale (5), an inspection door (3) is installed on the upper surface of the inner shell (1), one side of the inspection door (3) is close to the edge of the inner shell (1), a thermometer (4) is fixed on the upper surface of the inner shell (1), and the thermometer (4) penetrates through the inner shell (1);

a hydraulic slope (7) arranged in a ring shape and mounted on the lower inner wall of the inner housing (1), the lower surface of one end of the hydraulic gradient (7) is connected with one end of a recovery pipeline (11), and the inner ring of the hydraulic gradient (7) is connected with a water tank (8), a water collecting slope (9) is arranged in the water tank (8), a one-way water valve (10) is arranged in the water collecting slope (9), a metal filter tank (19) is fixed at the upper end of the water filling tank (8), the metal filter tank (19) penetrates through the upper end of the water filling tank (8), a buffer water tank (18) is fixed inside the upper part of the metal filter tank (19), and water outlets are arranged at two sides of the buffer water tank (18), chemical filter screens (17) are arranged at two sides in the buffer water tank (18), the chemical filter screen (17) penetrates through the buffer water tank (18) and the metal filter tank (19);

the recharging pipeline (12) is of a Y-shaped pipeline structure, one section of the pipeline structure is shorter, the other section of the pipeline structure is longer, the lower end of the recharging water tank (8) is penetrated by the longer end of the recharging pipeline (12), one end of the one-way water valve (10) extends into the recharging pipeline (12), and the shorter end of the recharging pipeline (12) is connected with the other end of the recycling pipeline (11);

irrigate pipe (13), set up to pipeline column structure, interior casing (1) top center is fixed with and irritates pipe (13), and irritate pipe (13) and run through interior casing (1), the lower extreme of irrigating pipe (13) stretches into in metal filter box (19) and fixes mutually with buffer tank (18), including casing (1) top install switch floodgate (14) of irrigating pipe (13) top, irrigate pipe (13) upper end and be provided with water pump (15), and one side of water pump (15) is provided with the inspection door that can open, water pump (15) below delivery port is fixed with grit filter screen (16) to grit filter screen (16) are inside irrigating pipe (13).

2. A recharge well mouth protection architecture according to claim 1, characterized in that: the water collecting slope (9) is of an annular structure, the outer ring of the water collecting slope (9) is high, the inner ring is high, and the inner ring completely wraps the one-way water valve (10).

3. A recharge well mouth protection architecture according to claim 1, characterized in that: the buffer water tank (18) is of a hollow shell-shaped structure, a plurality of water outlets are arranged on two sides close to the upper side of the buffer water tank for balance, and two fixing buckles are arranged below the inner wall of the buffer water tank and clamped with the chemical filter screen (17).

4. A recharge well mouth protection architecture according to claim 1, characterized in that: one-way water valve (10) is including last casing (1001), casing (1002) down, inner bag (1003), net mouth (1004) of intaking, play net mouth (1005), spherical floodgate (1006), it is the block structure with casing (1002) down to go up casing (1001), and casing (1002) inner wall is fixed with inner bag (1003) down, inner bag (1003) upper end is under the narrow wide structure, and inner bag (1003) top runs through last casing (1001) inner bag (1003) upper end is fixed with net mouth (1004) of intaking, and inner bag (1003) upper end is fixed with play water net mouth (1005) to inner bag (1003) inside is provided with spherical floodgate (1006).

5. A recharge well mouth protection architecture according to claim 1, characterized in that: recovery duct (11) is including preventing fastener (1101) against the current, preventing filter screen (1102) that falls, preventing buoyancy ball (1103) against the current, the inner wall that recovery duct (11) is close to recharge duct (12) is fixed with prevents filter screen (1102) that falls, and is fixed with on the inner wall that recharge duct (12) was kept away from in recovery duct (11) prevents fastener (1101) against the current, and prevents fastener (1101) against the current and prevent filter screen (1102) that falls in forming a cavity in recovery duct (11) to the internal portion of cavity of recovery duct (11) is provided with buoyancy ball (1103).

6. A recharge well mouth protection architecture according to claim 1, characterized in that: recharge pipeline (12) including preventing baffle (1201) against the current, fixed pivot (1202) are installed to the shorter one end pipeline of recharge pipeline (12) and longer pipeline intersection, and fixed pivot (1202) are connected with and prevent baffle (1201) against the current to the one end that has baffle (1201) against the current and recharge pipeline (12) below inner wall block.

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