CN219622660U - Special wellhead device for geothermal heating - Google Patents

Abstract

The utility model discloses a wellhead device special for geothermal heating, which comprises a water pipe, a sand discharging assembly and a heating pipe. The sand discharging assembly mainly comprises a sand discharging box and a water injection part, a second bin and a first bin are formed in the sand discharging box by partition walls, a filter barrel for filtering particulate matters is arranged in the first bin, and the second bin is mainly used for cleaning the filter barrel. The filter vat is provided with a rotary vat which penetrates through the partition wall to enter the second bin. When the filter vat needs to be cleaned, the water injection part injects water into the second bin, and water flow drives the impeller on the rotary vat to rotate, so that the filter vat rotates, and the filter screen on the side wall of the filter vat is washed in all directions through the cleaning spray head arranged on one side of the second bin.

Description

Special wellhead device for geothermal heating

Technical Field

The utility model relates to the field of geothermal heating, in particular to a wellhead device special for geothermal heating.

Background

With the gradual increase of the discovery amount of geothermal wells in China, the implementation of heating by draining hot water through the geothermal wells has become a green and environment-friendly energy-saving heating mode. However, most geothermal wells found at present have the problems that due to the factors of geology and construction, the sand content in water exceeds the national industrial water sand content standard, so that the normal use of hot water is affected, and a pipeline system is blocked. It is therefore necessary to perform geothermal water desanding before geothermal water is introduced into the heating installation. Because the sand storage amount in the geothermal water is large, the filter assembly in the sand removing device needs to be frequently disassembled and washed, and time and labor are wasted.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a special wellhead device for geothermal heating, which can realize omnibearing autonomous cleaning of a filter assembly in a sand removing device.

In order to achieve the above object, the present utility model provides a wellhead device special for geothermal heating, comprising: a water pipe, a sand discharging assembly and a heating pipe; the sand discharging assembly comprises a sand discharging box and a water injection part; a partition plate with an inverted L-shaped cross section is arranged in the sand discharge box; the partition plate divides the interior of the sand discharge box into a first bin and a second bin with an inverted L-shaped section; a filter vat is arranged in the first bin; the side wall of the filter barrel is a filter screen, and the bottom of the filter barrel is fixedly connected with a sand discharge pipe; the sand discharging pipe is rotationally connected with the bottom surface of the sand discharging box through a connecting piece; the top surface of the filter vat is provided with an opening, and a rotary vat is arranged at the outer edge of the opening; the rotary barrel penetrates through the partition plate and enters the second bin; the rotary barrel is rotationally connected with the partition plate; one end of the water pipe is communicated with the wellhead, and the other end of the water pipe penetrates through the top surface of the sand discharging box and stretches into the rotary barrel; an impeller is sleeved on the rotary barrel; the impeller is positioned in the second bin and is in clearance fit with the side wall of the second bin; the partition board is provided with a spray washing part; the spray washing part is arranged towards the filter screen; the water injection part is communicated with one side of the second bin, which is far away from the spray washing part; the water injection part flows through the impeller and enters the spray washing part; one end of the heating pipe is communicated with the bottom surface of the first bin, and the other end of the heating pipe is communicated with an external heating system.

One end of the sand discharge pipe penetrates through the bottom surface of the first bin to extend outwards; the sand discharge valve is arranged at the extending end of the sand discharge pipe.

The water injection part comprises a water pump and a water injection pipe; the water pump is placed on the ground; one end of the water injection pipe is communicated with the water pump, and the other end of the water injection pipe is communicated with the second bin.

A scraping brush is arranged in the first bin; the scraping brush comprises a brush rod and a brush head; the brush head is abutted with the side wall of the filter vat.

The brush rod is fixedly connected with the bottom surface of the first bin.

A scraping brush is arranged in the first bin; the scraping brush comprises a brush rod and a brush head; the brush rod is rotationally connected with the bottom surface of the first bin; one end of the brush rod penetrates through the bottom surface of the first bin and extends outwards; the brush rod extending end is in transmission connection with the rotating motor; the rotating motor is placed on the ground.

The brush rod extending end is fixedly connected with a first bevel gear; the output shaft of the rotating motor is fixedly connected with a second bevel gear; the first bevel gear and the second bevel gear are meshed.

The spray washing part comprises a plurality of spray heads.

The connecting piece is a rotary flange.

The utility model discloses the following technical effects:

according to the utility model, the filter barrel in the sand discharge assembly is not required to be manually disassembled for cleaning, so that the filter barrel can be automatically washed in all directions when being always arranged in the sand discharge assembly, and the automatic sand discharge device is simple, convenient and easy to use, and improves the efficiency.

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 needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 front view of the present utility model;

FIG. 2 is a front view of the inside section of the sand removal box;

FIG. 3 is a cut-away top view of the interior of the second cartridge;

fig. 4 is a front view of embodiment 2;

wherein, 1, a water delivery pipe; 11. a first branch pipe; 12. a second branch pipe; 13. a first water valve; 14. a second water valve; 2. a sand discharging box; 21. a partition panel; 22. a spray washing part; 3. a filter vat; 31. a rotary barrel; 32. an impeller; 33. a sand discharge pipe; 34. a sand discharge valve; 35. a connecting piece; 4. a water pump; 41. a water injection pipe; 51. a brush bar; 52. a brush head; 53. a first bevel gear; 6. a heating pipe; 61. a third branch pipe; 62. a fourth branch pipe; 63. a third water valve; 64. a fourth water valve; 7. a rotating electric machine; 71. and a second bevel gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not 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.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not 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.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Example 1: referring to fig. 1-3, the present utility model provides a wellhead device dedicated for geothermal heating, comprising: the water delivery pipe 1, the sand discharge assembly and the heating pipe 6; the sand discharging assembly comprises a sand discharging box 2 and a water injection part; a partition plate 21 with an inverted L-shaped cross section is arranged in the sand discharging box 2; the partition board 21 divides the interior of the sand discharging box 2 into a first bin and a second bin with an inverted L-shaped section; a filter vat 3 is arranged in the first bin; the side wall of the filter barrel 3 is a filter screen, and the bottom is fixedly connected with a sand discharge pipe 33; the sand discharging pipe 33 is rotationally connected with the bottom surface of the sand discharging box 2 through a connecting piece 35; the top surface of the filter vat 3 is opened, and a rotary vat 31 is arranged at the outer edge of the opening; the rotary drum 31 penetrates through the partition plate 21 and enters the second bin; the rotary drum 31 is rotatably connected with the partition plate 21; one end of the water pipe 1 is communicated with a wellhead, and the other end of the water pipe penetrates through the top surface of the sand discharging box 2 and stretches into the rotary barrel 31; the rotary barrel 31 is sleeved with an impeller 32; the impeller 32 is positioned in the second bin and is in clearance fit with the second bin sidewall; the partition plate 21 is provided with a spray washing part 22; the spray washing part 22 is arranged towards the filter screen; the water injection part is communicated with one side of the second bin, which is far away from the spray washing part 22; the water flow of the water injection part passes through the impeller 32 and enters the spray washing part 22, and can drive the impeller 32 to rotate before the water flow flows into the spray washing part 22, so as to drive the rotary drum 31 to rotate, and the rotary drum 31 drives the filter drum 3 to rotate, so that the filter drum 3 is cleaned in all directions; one end of the heating pipe 6 is communicated with the bottom surface of the first bin, and the other end is communicated with an external heating system.

Further optimizing scheme, the both ends of the reverse L-shaped partition board 21 are fixedly connected to the bottom surface and the side edges of the sand discharging box 2 respectively, and partition the sand discharging box 2 to form a first bin and a reverse L-shaped second bin, wherein the part of the reverse L-shaped second bin, which is horizontal, is positioned on the upper side of the first bin, and the part of the reverse L-shaped second bin, which is vertical, is positioned on one side of the first bin. The rotary drum 31 and the impeller 32 are positioned in a horizontal portion of the second chamber interior, and the spray section 22 is positioned in a vertical portion of the second chamber interior and is disposed toward the filter screen on the sidewall of the filter drum 3. The blade on impeller 32 is with the inside lateral wall clearance fit that is horizontally part of second storehouse, and water injection portion intercommunication is horizontally part in second storehouse and is kept away from one side of spray washing portion 22, and the blade is pressed close to water injection portion intercommunication mouth setting, and the direct impact is to the blade on impeller 32 when water injection portion rivers flow in the second storehouse, drives the blade and removes to drive impeller 32 and wholly rotate.

Further optimizing scheme, one end of the sand discharging pipe 33 penetrates through the bottom surface of the first bin to extend outwards; the sand discharge valve 34 is installed at the extending end of the sand discharge pipe 33.

Further optimizing scheme, the water injection part comprises a water pump 4 and a water injection pipe 41; the water pump 4 is placed on the ground; one end of the water injection pipe 41 is communicated with the water pump 4, and the other end is communicated with the second bin.

In a further optimization scheme, a scraping brush is arranged in the first bin; the scraping brush comprises a brush rod 51 and a brush head 52; the brush head 52 is abutted against the side wall of the filter vat 3.

Further optimizing scheme, brush-holder stud 51 and first storehouse bottom surface fixed connection make pivoted filter vat 3 and brush head 52 produce relative motion, promote and scrape the brush effect.

In a further optimization scheme, a scraping brush is arranged in the first bin; the scraping brush comprises a brush rod 51 and a brush head 52; the brush rod 51 is rotatably connected with the bottom surface of the first bin; one end of the brush rod 51 extends outwards through the bottom surface of the first bin; the extending end of the brush rod 51 is connected with the rotating motor 7 in a transmission way; the rotating motor 7 is placed on the ground, and the rotating motor 7 drives the brush rod 51 and the filter vat 3 to reversely rotate, so that more severe relative movement is generated, and the scraping effect is improved.

The first bevel gear 53 is fixedly connected with the extending end of the brush rod 51; the output shaft of the rotating motor 7 is fixedly connected with a second bevel gear 71; the first bevel gear 53 and the second bevel gear 71 are engaged.

The spray washing part 22 comprises a plurality of spray heads which are arranged on a tap plate, and the tap plate is embedded in the partition plate 21; the connection 35 is a rotating flange.

Working principle: when geothermal water needs to be conveyed into a heating system, the sand discharge valve 34 is closed, geothermal water flows into the filter vat 3 through the water conveying pipe 1, the geothermal water finishes filtering of particles in water quality through the filter screen on the side wall of the filter vat, and the geothermal water seeps into the first bin through the filter screen and is conveyed into an external heating system through the heating pipe 6.

When the filter vat 3 needs to be cleaned, the water delivery pipe 1 stops delivering geothermal water, the sand discharge valve 34 is opened, clean water is injected into the sand discharge box 2 through the water pump 4, the clean water flows through the water injection pipe 41 to enter the inner cavity of the second bin, and the water flow drives the impeller 32 on the rotary vat 31 to rotate, so that the filter vat 3 is driven to rotate. The clean water flows through the impeller 32 and then enters the spray washing part 22 to spray towards the filter vat 3, water is sprayed to wash the side wall of the filter vat 3, meanwhile, the rotating motor 7 is started, the rotating motor 7 drives the scraping brush to rotate, and further cleaning is carried out on the side wall of the filter vat 3. The cleaned water flows out of the device through the sand discharge pipe 33.

Embodiment 2 As shown in FIG. 4, two sand discharging assemblies are arranged, and the two sand discharging assemblies are respectively communicated with the water pipe 1 through a first branch pipe 11 and a second branch pipe 12; the first branch pipe 11 and the second branch pipe 12 are respectively provided with a first water valve 13 and a second water valve 14. The two sand discharging assemblies are respectively communicated with the heating pipe 6 through a third branch pipe 61 and a fourth branch pipe 62, and a third water valve 63 and a fourth water valve 64 are respectively arranged on the third branch pipe 61 and the fourth branch pipe 62. When the sand discharging device is operated, the first water valve 13 and the third water valve 63 are opened, and the first sand discharging assembly is operated; when the first sand discharging assembly needs to be cleaned, the first water valve 13 and the third water valve 63 are closed, and the second water valve 14 and the fourth water valve 64 are opened to enable the second sand discharging assembly to operate; when the second sand discharging assembly needs to be cleaned, the second water valve 14 and the fourth water valve 64 are closed, the first water valve 13 and the third water valve 63 are opened at the same time, the first sand discharging assembly operates, and the two sand discharging assemblies alternately operate, so that the continuous uninterrupted injection of geothermal water into the heating system can be ensured.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (9)

1. A wellhead device dedicated for geothermal heating, comprising: a water pipe (1), a sand discharging component and a heating pipe (6); the sand discharging assembly comprises a sand discharging box (2) and a water injection part; a partition board (21) with an inverted L-shaped cross section is arranged in the sand discharge box (2); the partition board (21) divides the interior of the sand discharge box (2) into a first bin and a second bin with an inverted L-shaped section; a filter vat (3) is arranged in the first bin; the side wall of the filter barrel (3) is a filter screen, and the bottom of the filter barrel is fixedly connected with a sand discharge pipe (33); the sand discharge pipe (33) is rotationally connected with the bottom surface of the sand discharge box (2) through a connecting piece (35); the top surface of the filter vat (3) is provided with an opening, and a rotary vat (31) is arranged at the outer edge of the opening; the rotary barrel (31) penetrates through the partition plate (21) and enters the second bin; the rotary barrel (31) is rotationally connected with the partition plate (21); one end of the water pipe (1) is communicated with a wellhead, and the other end of the water pipe penetrates through the top surface of the sand discharge box (2) and stretches into the rotary barrel (31); an impeller (32) is sleeved on the rotary barrel (31); the impeller (32) is positioned in the second bin and is in clearance fit with the side wall of the second bin; a spray washing part (22) is arranged on the partition plate (21); the spray washing part (22) is arranged towards the filter screen; the water injection part is communicated with one side of the second bin, which is far away from the spray washing part (22); the water injection part water flow passes through the impeller and enters the spray washing part (22); one end of the heating pipe (6) is communicated with the bottom surface of the first bin, and the other end of the heating pipe is communicated with an external heating system.

2. A geothermal heating dedicated wellhead according to claim 1, wherein one end of the sand discharge pipe (33) extends outwardly through the bottom surface of the first bin; the sand discharge valve (34) is arranged at the extending end of the sand discharge pipe (33).

3. A geothermal heating dedicated wellhead according to claim 1, wherein the water injection portion comprises a water pump (4) and a water injection pipe (41); the water pump (4) is placed on the ground; one end of the water injection pipe (41) is communicated with the water pump (4), and the other end of the water injection pipe is communicated with the second bin.

4. The wellhead device special for geothermal heating according to claim 1, wherein a scraping brush is installed in the first bin; the scraping brush comprises a brush rod (51) and a brush head (52); the brush head (52) is abutted with the side wall of the filter vat (3).

5. The wellhead device special for geothermal heating according to claim 4, wherein the brush bar (51) is fixedly connected with the bottom surface of the first bin.

6. A geothermal heating dedicated wellhead according to claim 4, wherein the brush bar (51) is rotatably connected to the first tank floor; one end of the brush rod (51) penetrates through the bottom surface of the first bin and extends outwards; the extending end of the brush rod (51) is in transmission connection with the rotating motor (7); the rotating motor (7) is placed on the ground.

7. The wellhead device special for geothermal heating according to claim 6, characterized in that the protruding end of the brush rod (51) is fixedly connected with a first bevel gear (53); the output shaft of the rotating motor (7) is fixedly connected with a second bevel gear (71); the first bevel gear (53) and the second bevel gear (71) are meshed.

8. A geothermal heating dedicated wellhead according to claim 1, wherein the spray (22) comprises a number of spray heads.

9. A geothermal heating dedicated wellhead according to claim 1, characterised in that the connection (35) is a rotating flange.