CN219023500U - Drilling fluid vibrating screen with cleaning function - Google Patents

Abstract

The utility model discloses a drilling fluid vibrating screen with a cleaning function, which comprises a shell, wherein a feeding structure is arranged on the shell, filter meshes are arranged on the feeding structure, openings are formed in two sides of the shell, a collecting box is arranged outside each opening, a spring telescopic rod is connected to the inner wall of each opening, and a filter screen plate is connected to the end part of each spring telescopic rod. This drilling fluid shale shaker with clean function, through the setting of water conservancy diversion structure and liquid outlet for the device carries out cooling treatment to the drilling fluid, and the drilling fluid whereabouts after filtering contacts first guide plate, shunts into stranded through the splitter box, then influences through the inclined plane of first guide plate, and the drilling fluid flows along the splitter box, and the setting of rethread splitter box shunts into stranded again to the drilling fluid in every splitter box, passes the splitter box that the splitter box whereabouts contacted on the second guide plate, shunts once more as described above.

Description

Drilling fluid vibrating screen with cleaning function

Technical Field

The utility model relates to the technical field of vibrating screen equipment, in particular to a drilling fluid vibrating screen with a cleaning function.

Background

With the exhaustion of shallow oil and gas resources of various countries in the world, the requirements on energy sources and the continuous development of petroleum drilling technology are difficult to meet, the center of gravity of global oil and gas drilling development is shifted from shallow to deep and ultra-deep, the exploration and development of deep geothermal resources (dry hot rock), ultra-deep oil and gas resources and the like are increasingly increased, and under a high-temperature environment, the rubber sealing element of an underground power tool is invalid, so that the use of the underground power tool is limited, the replacement frequency is increased, and the drilling cost is increased; the measurement while drilling system is affected by high temperature, the precision and the reliability of the measurement while drilling system can be greatly changed, and the drilling track can not be effectively controlled; the density, rheological property and stability of the drilling fluid system are seriously damaged under the influence of high temperature, the property of the drilling fluid is finally deteriorated, the wall protection property and the rock carrying property are reduced, the underground safety accident is induced, low-temperature drilling fluid with the temperature meeting the drilling requirement is required to be pumped, the bottom hole temperature is reduced through continuous circulation, a vibrating screen is used for solid-liquid separation of the drilling fluid in the circulating process of the drilling fluid, the device is also an essential device in drilling, on one hand, safe, rapid and high-quality drilling is related, on the other hand, oil-gas layer protection is related, the drilling fluid circulating from the underground to the ground is firstly screened out through a slurry vibrating screen, solid particles with larger diameters are removed, the solid particles can enter a sand remover or a mud remover, the solid content in slurry is further reduced, the slurry fluid leaks into a collecting container through a screen, and part of solid particles are screened out, so that the mud fluid purifying effect is achieved.

However, when the conventional vibrating screen device is used, the slurry and the drilling fluid are often filtered and separated through vibration, as meshes of the vibrating screen are fixed, and only a single vibrating screen is arranged in the conventional vibrating screen device, so that the screening effect is influenced, meanwhile, the impurities with different sizes in the slurry are not convenient to classify and filter, namely, the impurities with different sizes in the slurry are filtered through a single vibrating screen, the meshes on the vibrating screen are easily accumulated and blocked by the impurities with different sizes, and the meshes are stacked on a filter plate in a thicker mode in a long-time screening process, so that the subsequent filtering and screening can be influenced.

Aiming at the problems, innovative design is urgently needed on the basis of the original drilling fluid vibrating screen.

Disclosure of Invention

Aiming at the technical problem that the prior art is too single, the technical scheme of the utility model provides a drilling fluid vibrating screen with a cleaning function, which is obviously different from the prior art, so as to solve the problems that in the prior art, most vibrating screen devices are provided with only a single vibrating screen for filtering and screening, the screening effect is influenced, and meanwhile, the classification and the filtration of impurities with different sizes in slurry are inconvenient, so that the impurities with different sizes in slurry are filtered through the single vibrating screen, meshes on the vibrating screen are easily accumulated and blocked by impurities with different sizes, and the vibrating screen is thicker stacked on a filter plate in the long-time screening process, so that the subsequent filtering and screening are influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drilling fluid shale shaker with clean function, includes the casing, install pay-off structure on the casing, be provided with the filter mesh on the pay-off structure, the casing both sides all are provided with the opening, every the collecting box is all installed in the opening outside, every the opening inner wall all is connected with the spring telescopic link, every the spring telescopic link tip all is connected with the filtration sieve, filtration sieve bottom laminating is connected with the eccentric roller, be connected with the output pivot on the eccentric roller, output pivot end connection is in the second driving motor who installs in the casing outer wall, the output pivot outer wall is connected with the chain through the sprocket, the chain is connected with first supplementary pivot through another sprocket, first supplementary pivot is connected with the supplementary pivot of second through full gear train, first supplementary pivot and the supplementary pivot tip all run through the casing outer wall and are connected with a cleaning brush roller respectively, casing internally mounted has the water conservancy diversion structure, the casing both sides all are provided with fan mechanism, the casing is connected with the cooling tank through the connecting pipe, be provided with the cooling coil pipe in the cooling tank, the cooling tank outer wall is provided with the drain.

Preferably, the feeding structure comprises a cylinder body, a feeding hole, a discharging hole, a first driving motor and an auger rod, wherein the cylinder body is connected to the housing in a penetrating manner, the feeding hole and the discharging hole are respectively formed in the upper side and the lower side of the two ends of the cylinder body, the first driving motor is installed at the end part of the cylinder body, and the output end of the first driving motor is connected to the auger rod inside the cylinder body.

Preferably, the filter screen plate is provided with an arc-shaped structure, the diameter of the mesh holes on the filter screen plate is smaller than that of the filter mesh holes, and two ends of the filter screen plate are provided with inclined openings and are positioned in the openings.

Preferably, two cleaning brush rollers are arranged, the cleaning brush rollers are symmetrically distributed about the central line of the filtering sieve plate, and bristles of the cleaning brush rollers are attached to the top of the filtering sieve plate.

Preferably, the guide structure comprises a first guide plate, a second guide plate, a flow dividing groove and flow dividing openings, wherein the first guide plate and the second guide plate are respectively connected to two sides of the inner wall of the shell, the flow dividing grooves are formed in the tops of the first guide plate and the second guide plate at equal intervals, and the flow dividing openings are formed in the inner portion of each flow dividing groove at equal intervals.

Preferably, the first guide plates and the second guide plates are arranged in a staggered inclined shape, and a group of fan mechanisms are arranged below the first guide plates and the second guide plates.

Preferably, the heat-dissipating coil is provided in a curved shape, and each of the collection tanks is connected to a slurry treatment apparatus.

Compared with the prior art, the utility model has the beneficial effects that: this drilling fluid shale shaker with clean function, through the casing, feeding structure, filter the mesh, the opening, the collecting box, the spring telescopic link, filter the sieve plate, the eccentric roller, the chain, first supplementary pivot and the setting of clearance brush roll, when making the device carry out automatic feeding through feeding structure, separate the discharge through the mesh that filters great granule impurity in the mud, mud and less impurity pass the mesh and enter into in the casing simultaneously, filter mud and drilling fluid through the sieve plate, the arc setting through the sieve plate, the clearance brush roll counter-rotating through both sides simultaneously, assist the clearance to the sieve plate, make mud flow to both sides and get into in the collecting box, drilling fluid then passes the mesh whereabouts, accomplish and filter the screening.

Through the setting of water conservancy diversion structure, fan mechanism, the connecting pipe, the cooler bin, heat dissipation coil pipe and liquid outlet, make the device carry out cooling treatment to the drilling fluid, the drilling fluid whereabouts after filtering contacts first guide plate, shunt into stranded through the splitter box, then influence through the inclined plane of first guide plate, the drilling fluid flows along the splitter box, the setting of rethread splitter opening, the drilling fluid to in every splitter box shunts into stranded again, pass the splitter box that the splitter box whereabouts contacted on the second guide plate, shunt once more as mentioned above, in this process, carry out heat dissipation cooling to the drilling fluid of shunting into stranded through fan mechanism, the drilling fluid after heat dissipation cooling enters into the cooler bin through the connecting pipe, carry out the degree of depth cooling through the coolant fluid that flows in the heat dissipation coil pipe, thereby fully cool down the drilling fluid, the cyclic utilization of drilling fluid of being convenient for.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic elevational view of the full gearset of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic top view of a second baffle according to the present utility model;

fig. 5 is a schematic top view of a heat dissipating coil of the present utility model.

In the figure: 1. a housing; 2. a feeding structure; 201. a cylinder; 202. a feed inlet; 203. a discharge port; 204. a first driving motor; 205. a hank Long Gan; 3. a filter mesh; 4. an opening; 5. a collection box; 6. a spring telescoping rod; 7. filtering the sieve plate; 8. an eccentric roller; 9. an output shaft; 10. a second driving motor; 11. a chain; 12. a first auxiliary rotating shaft; 13. a full gear set; 14. a second auxiliary rotating shaft; 15. cleaning a brush roller; 16. a flow guiding structure; 1601. a first deflector; 1602. a second deflector; 1603. a shunt channel; 1604. a shunt port; 17. a fan mechanism; 18. a connecting pipe; 19. a cooling box; 20. a heat dissipation coil; 21. and a liquid outlet.

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.

Referring to fig. 1-5, the present utility model provides a technical solution: a drilling fluid vibrating screen with cleaning function comprises a shell 1, a feeding structure 2, a cylinder 201, a feeding port 202, a discharging port 203, a first driving motor 204, a cutter Long Gan, a filter mesh 3, an opening 4, a collecting box 5, a spring telescopic rod 6, a filter screen plate 7, an eccentric roller 8, an output rotating shaft 9, a second driving motor 10, a chain 11, a first auxiliary rotating shaft 12, a complete gear set 13, a second auxiliary rotating shaft 14, a cleaning brush roller 15, a flow guiding structure 16, a first flow guiding plate 1601, a second flow guiding plate 1602, a flow guiding groove 1603, a flow guiding port 1604, a fan mechanism 17, a connecting pipe 18, a cooling box 19, a heat radiating coil 20 and a liquid outlet 21, wherein the feeding structure 2 is arranged on the shell 1, the filter mesh 3 is arranged on the feeding structure 2, the openings 4 are arranged on two sides of the shell 1, the collecting box 5 is arranged on the outer side of each opening 4, the inner wall of each opening 4 is connected with a spring telescopic rod 6, the end part of each spring telescopic rod 6 is connected with a filtering screen plate 7, the bottom of the filtering screen plate 7 is connected with an eccentric roller 8 in an attaching way, the eccentric roller 8 is connected with an output rotating shaft 9, the end part of the output rotating shaft 9 is connected with a second driving motor 10 arranged on the outer wall of the shell 1, the outer wall of the output rotating shaft 9 is connected with a chain 11 through a chain wheel, the chain 11 is connected with a first auxiliary rotating shaft 12 through another chain wheel, the first auxiliary rotating shaft 12 is connected with a second auxiliary rotating shaft 14 through a complete gear set 13, the end parts of the first auxiliary rotating shaft 12 and the second auxiliary rotating shaft 14 penetrate through the outer wall of the shell 1 respectively to be connected with a cleaning brush roller 15, a diversion structure 16 is arranged in the shell 1, fan mechanisms 17 are arranged on two sides of the shell 1, the shell 1 is connected with a cooling box 19 through a connecting pipe 18, a heat dissipation coil 20 is arranged in the cooling box 19, the outer wall of the cooling box 19 is provided with a liquid outlet 21.

The feeding structure 2 comprises a barrel 201, a feeding hole 202, a discharging hole 203, a first driving motor 204 and an auger rod 205, wherein the barrel 201 is connected to the shell 1 in a penetrating manner, the feeding hole 202 and the discharging hole 203 are respectively arranged on the upper side and the lower side of the two ends of the barrel 201, the first driving motor 204 is arranged at the end part of the barrel 201, the output end of the first driving motor 204 is connected to the auger rod 205 inside the barrel 201, so that the feeding structure 2 can carry mud and carry out primary filtration on larger impurities in the mud, and follow-up filtration is facilitated.

The filter screen 7 is set to the arc structure, and the mesh diameter is less than the mesh diameter of the filter screen 3 on the filter screen 7 to the filter screen 7 both ends set up to the slope form and lie in opening 4, when being convenient for filter mud and drilling fluid through the filter screen 7, the clearance is collected to both sides flow to the mud of being convenient for.

The cleaning brush roller 15 is provided with two, and the cleaning brush roller 15 is about filtering the central line symmetric distribution of sieve 7 to cleaning brush roller 15 brush hair is laminated with filtering sieve 7 top, through the setting of cleaning brush roller 15, is convenient for clear up filtering sieve 7, is convenient for mud and collects.

The guide structure 16 comprises a first guide plate 1601, a second guide plate 1602, a flow dividing groove 1603 and a flow dividing opening 1604, wherein the two sides of the inner wall of the shell 1 are respectively connected with the first guide plate 1601 and the second guide plate 1602, the equal interval between the top parts of the first guide plate 1601 and the second guide plate 1602 is provided with the flow dividing groove 1603, the equal interval between the inner parts of each flow dividing groove 1603 is provided with the flow dividing opening 1604, and the cooling of drilling fluid is facilitated by the fan mechanism 17 in cooperation with the setting of the guide structure 16.

The first deflector 1601 and the second deflector 1602 are arranged in a staggered and inclined manner, and a set of fan mechanisms 17 are arranged below the first deflector 1601 and the second deflector 1602, so that drilling fluid can flow conveniently through the first deflector 1601 and the second deflector 1602.

The heat-dissipating coil 20 is provided in a curved shape, each collecting tank 5 is connected to a slurry treatment device, deep cooling of drilling fluid is facilitated by the heat-dissipating coil 20 and cooling fluid, and an external cooling fluid supply device is connected to an end portion of the heat-dissipating coil 20 to supply cooling fluid in a circulating manner.

Working principle: according to the illustration of fig. 1, firstly, the shell 1 is placed in a working area through a foot rod, mud to be screened is injected through the feed inlet 202, the first driving motor 204 is started, the cutter Long Gan is driven to rotate, the mud is conveyed to the discharge outlet 203, when the mud passes through the filter mesh 3, the mud and the larger particle impurities are filtered and separated, the mud and the small particle pass through the filter mesh 3 and enter the shell 1, the larger impurity is slowly discharged along with the movement of the auger rod 205 to the discharge outlet 203, the mud and the small impurity fall into the shell 1 and contact with the filter screen 7, the mud, the small impurity and the drilling fluid are screened, the mud and the small impurity flow along the arc-shaped surfaces of the filter screen 7 to the openings 4 on two sides, meanwhile, the second driving motor 10 is started, the output rotating shaft 9 is driven to rotate, the eccentric roller 8 is driven to push the filter screen 7 to move upwards on one side far away from the center, the spring telescopic rod 6 is driven to stretch, when the eccentric roller 8 is separated from the side far from the center and is contacted with the filter screen 7, the spring telescopic rod 6 drives the filter screen 7 to reset, at the same time, the filter screen 7 is prevented from being blocked, the output shaft 9 drives the first rotating shaft 11 and the auxiliary rotating shaft 12 to drive the first rotating shaft to drive the auxiliary rotating shaft 12 to rotate to the auxiliary rotating shaft 7 to clean the filter screen 7 to the two sides to reach the opposite cleaning purpose, and the filter screen 4 is cleaned, and the opposite to the two side is cleaned, and the filter screen 7 is cleaned to the opposite to the two side is driven to the filter screen is driven to rotate to the auxiliary rotating and the filter screen 7 is driven to be cleaned to the filter screen 4 to be cleaned to the opposite to the filter and rotated to the filter screen 4;

the filtered drilling fluid passes through the filter screen plate 7 and falls to contact the first deflector 1601, the drilling fluid is split into a plurality of strands through the inclined arrangement of the first deflector 1601 and the arrangement of the splitter boxes 1603, and flows downwards, when passing through the splitter opening 1604 in each splitter box 1603, the drilling fluid is split into a plurality of strands and falls to contact the second deflector 1602 again, as described above, in the process, the fan mechanism 17 is started to cool the drilling fluid split into a plurality of strands, the cooled drilling fluid enters the cooling box 19 through the connecting pipe 18, and the cooling fluid continuously flows in the cooling coil 20 through the arrangement of the cooling coil 20, so that the drilling fluid is cooled deeply and conveniently for subsequent recycling, and is discharged from the liquid outlet 21 after cooling, which is the working principle of the drilling fluid vibrating screen with the cleaning function.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. Drilling fluid shale shaker with clean function, including casing (1), its characterized in that: install pay-off structure (2) on casing (1), be provided with filter mesh (3) on pay-off structure (2), casing (1) both sides all are provided with opening (4), every opening (4) outside all installs collecting box (5), every opening (4) inner wall all is connected with spring telescopic link (6), every spring telescopic link (6) tip all is connected with filtration sieve (7), filtration sieve (7) bottom laminating is connected with eccentric roller (8), be connected with output pivot (9) on eccentric roller (8), output pivot (9) end connection is in second driving motor (10) of installing in casing (1) outer wall, output pivot (9) outer wall is connected with chain (11) through the sprocket, chain (11) are connected with first auxiliary rotating shaft (12) through another sprocket, first auxiliary rotating shaft (12) are connected with second auxiliary rotating shaft (14) through complete gear group (13), first auxiliary rotating shaft (12) and second auxiliary rotating shaft (14) tip all are connected with eccentric roller (8), be connected with output shaft (9) end connection in second driving motor (10) in casing (1) outer wall, output shaft (9) outer wall is connected with fan (16) all through casing (1) both sides are installed in each side brush structure (17), the shell (1) is connected with a cooling box (19) through a connecting pipe (18), a heat dissipation coil pipe (20) is arranged in the cooling box (19), and a liquid outlet (21) is formed in the outer wall of the cooling box (19).

2. A drilling fluid shaker as in claim 1 wherein: the feeding structure (2) comprises a barrel (201), a feeding hole (202), a discharging hole (203), a first driving motor (204) and a winch Long Gan (205), wherein the barrel (201) is connected to the shell (1) in a penetrating manner, the feeding hole (202) and the discharging hole (203) are respectively formed in the upper side and the lower side of the two ends of the barrel (201), the first driving motor (204) is mounted at the end part of the barrel (201), and the output end of the first driving motor (204) is connected to the winch Long Gan (205) inside the barrel (201).

3. A drilling fluid shaker as in claim 1 wherein: the filter screen plate (7) is of an arc-shaped structure, the mesh diameter of the filter screen plate (7) is smaller than that of the filter mesh (3), and two ends of the filter screen plate (7) are inclined and located in the opening (4).

4. A drilling fluid shaker as in claim 1 wherein: the cleaning brush rollers (15) are arranged in two, the cleaning brush rollers (15) are symmetrically distributed on the central line of the filtering screen plate (7), and bristles of the cleaning brush rollers (15) are attached to the top of the filtering screen plate (7).

5. A drilling fluid shaker as in claim 1 wherein: the flow guiding structure (16) comprises a first flow guiding plate (1601), a second flow guiding plate (1602), flow dividing grooves (1603) and flow dividing openings (1604), the two sides of the inner wall of the shell (1) are respectively connected with the first flow guiding plate (1601) and the second flow guiding plate (1602), the equal intervals at the tops of the first flow guiding plate (1601) and the second flow guiding plate (1602) are provided with the flow dividing grooves (1603), and the equal intervals inside each flow dividing groove (1603) are provided with the flow dividing openings (1604).

6. The drilling fluid vibrating screen with cleaning function according to claim 5, wherein: the first guide plates (1601) and the second guide plates (1602) are arranged in a staggered inclined mode, and a group of fan mechanisms (17) are arranged below the first guide plates (1601) and the second guide plates (1602).

7. A drilling fluid shaker as in claim 1 wherein: the radiating coils (20) are arranged in a bent shape, and each collecting box (5) is connected to mud treatment equipment.

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