CN212054634U

CN212054634U - Negative pressure recharging vacuum wellhead device for geothermal well

Info

Publication number: CN212054634U
Application number: CN202020269434.2U
Authority: CN
Inventors: 彭磊; 井阳阳; 刘志涛; 沙福建; 冯守涛
Original assignee: Nanan Xincan Brand Operation Co Ltd
Current assignee: Nanan Xincan Brand Operation Co Ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-12-01
Anticipated expiration: 2030-03-07

Abstract

The utility model discloses a geothermal well negative pressure recharge vacuum wellhead assembly, including geothermal well and water storage tank, the water storage tank is located one side of geothermal well, and the top lid of geothermal well is put and is fixed with sealed lid, the upper end left side of water storage tank is connected with the drinking-water pipe, and the drinking-water pipe runs through the inside of sealed lid to geothermal well, and the top of drinking-water pipe is fixed with the filter, the bottom outer lane of drinking-water pipe has the coarse strainer through connecting rod welded fastening, is fixed with thin filter screen between the bottom of drinking-water pipe and the coarse strainer, and packs between the inboard of coarse strainer and the thin filter screen and have the cobble. The utility model discloses a make the fixed sealed lid in geothermal well top to make booster pump and its inside intercommunication, when drawing water, not only have the inside negative pressure environment of water storage tank and the high pressure environment in the geothermal well in addition, can be more efficient take water out, still be provided with filterable device in the bottom of drinking-water pipe in addition, can avoid impurity to get into the drinking-water pipe and cause the jam.

Description

Negative pressure recharging vacuum wellhead device for geothermal well

Technical Field

The utility model relates to a geothermal well equipment technical field specifically is a geothermal well negative pressure recharging vacuum wellhead assembly.

Background

Currently, geothermal energy is renewable thermal energy from deep within the earth that results from the decay of the earth's molten magma and radioactive materials. The circulation of the deep underground water and the invasion of magma from an extremely deep place into the crust bring heat from deep underground to near surface. In order to ensure the long-term safe operation of a water source, stable underground water source supply is needed, so that geothermal tail water needs to be injected into an underground aquifer, namely, artificial groundwater replenishment (recharging), a water pump is directly adopted for pumping out used water in a general geothermal well, and silt and impurities are always caused to block the water pump to influence production after long-term use.

The patent is CN 201821922187.0's publication geothermal well negative pressure vacuum wellhead assembly that recharges, including the water storage tank, be provided with the level gauge in the water storage tank, water storage tank one side is connected with the filter, and the inlet tube is connected to the filter, and the top of water storage tank is provided with the vacuum table, and the water storage tank top passes through vacuum pipeline and links to each other with vacuum generating device, and water storage tank bottom one side passes through the suction pump and links to each other with outlet conduit, and the water storage tank bottom passes through the pipeline and links to each other with the recharging well.

When the technical scheme is realized, at least the following defects exist: 1. the efficiency of negative pressure pumping of water in the geothermal well only by the action of vacuum is not high, and the pumping speed is low; 2. although the filter is arranged, impurities can still block the filter through the pipeline, so that water cannot be pumped. Therefore, we propose a geothermal well negative pressure recharge vacuum wellhead.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geothermal well negative pressure recharge vacuum well head device is through making the fixed sealed lid in geothermal well top to make booster pump and its inside intercommunication, when drawing water, not only have the inside negative pressure environment of water storage tank and the high pressure environment in the geothermal well in addition, can be more efficient take water out, still be provided with filterable device in the bottom of drinking-water pipe in addition, can avoid impurity entering drinking-water pipe to cause the jam, solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a geothermal well negative pressure recharging vacuum wellhead device comprises a geothermal well and a water storage tank, wherein the water storage tank is positioned on one side of the geothermal well, and a sealing cover is fixedly covered above the geothermal well;

the upper end left side of water storage tank is connected with the drinking-water pipe, and the drinking-water pipe runs through the inside of sealed lid to geothermal well, and the top of drinking-water pipe is fixed with the filter, the bottom outer lane of drinking-water pipe has the coarse strainer through connecting rod welded fastening, is fixed with thin filter screen between the bottom of drinking-water pipe and the coarse strainer, and packs between the inboard of coarse strainer and the thin filter screen and have the cobble, the left side of water storage tank is provided with the booster pump, and the forcing pipe of booster pump runs through the inside of sealed lid to geothermal well, the vacuum pump intercommunication that vacuum tube and one side set up is passed through to the upper end of water storage tank, the right side lower extreme of water storage tank is connected.

As an optimal implementation mode of the utility model, the right side upper end of water storage tank and the upper end of sealed lid all are fixed with the manometer, and the manometer communicates with water storage tank and geothermal well inside respectively.

As a preferred embodiment of the present invention, the bottom of the water storage tank is connected with a drain pipe, and the drain pipe is communicated with the inside of the water storage tank.

As an optimized embodiment of the present invention, the four corners of the bottom of the water storage tank are all supported and fixed with three support legs.

As an optimized implementation manner of the utility model, the vacuum pump and the booster pump are both electrically connected with the external power supply equipment.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a geothermal well negative pressure recharge vacuum well head device is through making the fixed sealed lid in geothermal well top to make booster pump and its inside intercommunication, when drawing water, not only have the inside negative pressure environment of water storage tank and the high pressure environment in the geothermal well in addition, can more efficient take water out, still be provided with filterable device in the bottom of drinking-water pipe in addition, can avoid impurity to get into the drinking-water pipe and cause the jam.

2. The utility model discloses a geothermal well negative pressure recharge vacuum wellhead assembly all is fixed with the manometer through the right side upper end that makes the water storage tank and the upper end of sealed lid, and the manometer respectively with water storage tank and the inside intercommunication of geothermal well, when drawing water the during operation, the manometer can measure the pressure of water storage tank and the inside of geothermal well, guarantees the normal operating of device.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the geothermal well negative pressure recharging vacuum wellhead device of the utility model;

fig. 2 is the schematic diagram of the bottom structure of the pumping pipe of the geothermal well negative pressure recharging vacuum wellhead device.

In the figure: 1. a geothermal well; 2. a water storage tank; 3. a sealing cover; 4. a pressure gauge; 5. a water pumping pipe; 6. a filter; 7. a vacuum tube; 8. a vacuum pump; 9. a water outlet pipe; 10. a pressurizing pipe; 11. a booster pump; 12. a drain pipe; 13. a support leg; 14. coarse filtration; 15. pebbles; 16. a connecting rod; 17. and (4) fine filtering nets.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a geothermal well negative pressure recharging vacuum wellhead device comprises a geothermal well 1 and a water storage tank 2, wherein the water storage tank 2 is positioned on one side of the geothermal well 1, and a sealing cover 3 is fixedly covered above the geothermal well 1;

the upper end left side of water storage tank 2 is connected with drinking-water pipe 5, and drinking-water pipe 5 runs through sealed lid 3 to geothermal well 1's inside, and the top of drinking-water pipe 5 is fixed with filter 6, the bottom outer lane of drinking-water pipe 5 has coarse strainer 14 through connecting rod 16 welded fastening, is fixed with thin filter screen 17 between the bottom of drinking-water pipe 5 and the coarse strainer 14, and it has cobble 15 to fill between the inboard of coarse strainer 14 and the thin filter screen 17, the left side of water storage tank 2 is provided with booster pump 11, and booster pump 11's forcing pipe 10 runs through sealed lid 3 to geothermal well 1's inside, vacuum pump 8 intercommunication that vacuum tube 7 and one side set up is passed through to the upper end of water storage tank 2, the right side lower extreme of water storage tank 2 is connected with outlet pipe 9, outlet pipe 9 and.

In this embodiment (please refer to fig. 1 and 2), the sealing cover 3 is fixed above the geothermal well 1, and the booster pump 11 is communicated with the inside of the geothermal well, so that not only the negative pressure environment inside the water storage tank 2 but also the high pressure environment inside the geothermal well 1 can more efficiently pump water out when pumping water, and in addition, a filtering device is further arranged at the bottom of the water pumping pipe 5, so that impurities can be prevented from entering the water pumping pipe 5 to cause blockage.

Wherein, the upper end of the right side of water storage tank 2 and the upper end of sealed lid 3 all are fixed with manometer 4, and manometer 4 communicates with water storage tank 2 and the inside of geothermal well 1 respectively.

In this embodiment (please refer to fig. 1), the pressure gauge 4 is fixed on the upper end of the right side of the water storage tank 2 and the upper end of the sealing cover 3, and the pressure gauge 4 is respectively communicated with the water storage tank 2 and the interior of the geothermal well 1, so that when the water pumping is performed, the pressure gauge 4 can measure the pressure in the water storage tank 2 and the interior of the geothermal well 1, thereby ensuring the normal operation of the device.

Wherein, the bottom of the water storage tank 2 is connected with a drain pipe 12, and the drain pipe 12 is communicated with the inside of the water storage tank 2.

In this embodiment (see fig. 1), the drain pipe 12 is disposed at the bottom of the water storage tank 2, so that sewage can be drained when the water storage tank 2 is cleaned later.

Wherein, the bottom four corners of water storage tank 2 all supports and is fixed with stabilizer blade 13, and stabilizer blade 13 is three.

In this embodiment (see fig. 1), the water storage tank 2 is supported by the support legs 13.

Wherein, vacuum pump 8 and booster pump 11 all are connected with external power supply unit electrical property.

It should be noted that the utility model relates to a geothermal well negative pressure recharging vacuum wellhead device, which comprises a geothermal well 1, a water storage tank 2, a sealing cover 3, a pressure gauge 4, a water pumping pipe 5, a filter 6, a vacuum pipe 7, a vacuum pump 8, a water outlet pipe 9, a pressure pipe 10, a booster pump 11, a water discharging pipe 12, a support leg 13, a coarse filter 14, pebbles 15, a connecting rod 16 and a fine filter 17, wherein the components are general standard components or components known by technicians in the field, the structure and principle of the device can be known by technical manuals or conventional experimental methods, at the idle position of the device, all the electric devices in the above are connected through wires, the monitoring computers indicating power elements, electric devices and adaptation and a power supply, the specific connecting means should refer to the following working principle, the electric connection between the electric devices is completed sequentially, the detailed connection means is a technique known in the art, and the following description mainly describes the working principle and process, but not describing the electrical control, when in operation, the water outlet pipe 9 is connected to the water using equipment, when water needs to be pumped, the vacuum pump 8 and the booster pump 11 are simultaneously started, the vacuum pump 8 pumps the upper end inside the water storage tank 2 to a negative pressure state, the geothermal well 1 is pressurized, then the hot water in the geothermal well 1 is pumped into the water storage tank 2 from the water pumping pipe 5 under the action of a high pressure difference, in the process, impurities are firstly filtered by the coarse filter screen 14, the fine filter screen 17 and the pebbles 15 inside the geothermal well, and are further filtered by the filter 6, then the pumped water can be sent to the water using equipment from the water outlet pipe 9, and when the water storage tank 2 needs to be cleaned, the valve can be opened to discharge the sewage from the water outlet pipe 12.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a geothermal well negative pressure recharging vacuum wellhead assembly, includes geothermal well (1) and water storage tank (2), its characterized in that: the water storage tank (2) is positioned at one side of the geothermal well (1), and a sealing cover (3) is fixedly covered above the geothermal well (1);

the upper end left side of water storage tank (2) is connected with drinking-water pipe (5), and drinking-water pipe (5) run through sealed lid (3) to the inside of geothermal well (1), and the top of drinking-water pipe (5) is fixed with filter (6), the bottom outer lane of drinking-water pipe (5) is fixed with coarse strainer (14) through connecting rod (16) welded fastening, is fixed with fine filter screen (17) between the bottom of drinking-water pipe (5) and coarse strainer (14), and it has cobble (15) to fill between the inboard of coarse strainer (14) and fine filter screen (17), the left side of water storage tank (2) is provided with booster pump (11), and booster tube (10) of booster pump (11) run through sealed lid (3) to the inside of geothermal well (1), the upper end of water storage tank (2) is through vacuum pump (8) that vacuum tube (7) and one side set up and is linked together, the right side lower extreme of water storage tank (2) is connected with outlet, the water outlet pipe (9) is communicated with the interior of the water storage tank (2).

2. The geothermal well negative pressure recharge vacuum wellhead assembly according to claim 1, wherein: the right side upper end of water storage tank (2) and the upper end of sealed lid (3) all are fixed with manometer (4), and manometer (4) communicate with water storage tank (2) and geothermal well (1) inside respectively.

3. The geothermal well negative pressure recharge vacuum wellhead assembly according to claim 1, wherein: the bottom of the water storage tank (2) is connected with a drain pipe (12), and the drain pipe (12) is communicated with the inside of the water storage tank (2).

4. The geothermal well negative pressure recharge vacuum wellhead assembly according to claim 1, wherein: the bottom four corners of the water storage tank (2) are all supported and fixed with three support legs (13), and the number of the support legs (13) is three.

5. The geothermal well negative pressure recharge vacuum wellhead assembly according to claim 1, wherein: and the vacuum pump (8) and the booster pump (11) are electrically connected with external power supply equipment.