CN212941721U - Fracturing sand filter-tank - Google Patents

Abstract

The utility model discloses a fracturing sand filter-tank, which comprises a housin, the feed inlet of setting in the casing upper end and the bin outlet of setting in the casing bottom, the feed inlet middle part has set firmly the division board, the below of feed inlet is equipped with filtering mechanism, filtering mechanism includes first filter, the bracing piece of first filter and second filter is played to second filter and fixed stay, be equipped with the rotation axis that passes the second filter between division board and the first filter, the position that the rotation axis upper end was supported nearly first filter and the position that the lower extreme was supported nearly second filter do not the rigid coupling have the scraper blade, the pot head of rotation axis is equipped with driven gear, driven gear meshing driving gear, the driving gear cover is established on the transfer line, the output shaft rigid coupling of casing and motor is passed to the one end of transfer line, the lower extreme of bracing piece rigid. The utility model discloses can get rid of the impurity on the filter, avoid filtering on the filter hole and block up, guarantee that the pipeline circulation is not smooth.

Description

Fracturing sand filter-tank

Technical Field

The utility model particularly relates to a fracturing sand filter-tank.

Background

The petroleum fracturing sand is a propping agent used in petroleum fracturing operation and can effectively support artificial fractures, and the quartz sand is low in cost, low in density, easy to pump and used in a large amount.

Filter equipment is very important in the fracturing sand course of working, and the fracturing sand that only accords with the specification can effectually play the effect of support, but the filter equipment that present majority oil fracturing sand was used adopts the mode of vibrations to screen, and this kind of filter mode noise is great, and is not too environmental protection to be unfavorable for the permanent use of organism, and a lot of filter equipment that oil fracturing sand was used simultaneously do not set up fine layering filtering mechanism, the recycle of all the other grit of not being convenient for.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a fracturing sand filter-tank can solve the problem among the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a fracturing sand filter tank comprises a shell, a feed inlet arranged at the upper end of the shell and a discharge outlet arranged at the bottom of the shell, wherein a partition plate is fixedly arranged at the middle part of the feed inlet, a filter mechanism is arranged below the feed inlet, the filter mechanism comprises a first filter plate, a second filter plate and a support rod which is arranged along the peripheral sides of the first filter plate and the second filter plate and fixedly supports the first filter plate and the second filter plate, a rotating shaft which penetrates through the second filter plate is arranged between the partition plate and the first filter plate, the top end of the rotating shaft is inserted into a first bearing seat arranged at the center of the bottom of the partition plate, the bottom end of the rotating shaft is inserted into a second bearing seat arranged at the center of the second filter plate, the upper end of the rotating shaft is close to the first filter plate, the lower end of the rotating shaft is close to the position of, the last pot head of rotation axis is equipped with driven gear, driven gear meshing driving gear, the driving gear cover is established on the transfer line, the one end of transfer line is passed the output shaft rigid coupling of casing and motor, the lower extreme of bracing piece rigid coupling is served at ejection of compact pipeline feed liquor respectively, the lower extreme of ejection of compact pipeline is buckled and is passed the casing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the scraper blades on the upper parts of the first filter plate and the second filter plate respectively, the driving motor is started to drive the transmission rod, the driven gear is driven to rotate through the driving gear, and then the rotating shaft drives the scraper blades to rotate to scrape the impurities on the first filter plate and the second filter plate, thereby avoiding the blockage of the filter holes on the filter plates and ensuring the unsmooth circulation of the pipeline; meanwhile, the centrifugal force generated by the rotation of the scraper can throw impurities to the space between the shell and the filtering mechanism and discharge the impurities through a sewage discharge outlet; the division board is separated into two parts with the inlet, can make the sewage of equal flow separately get into filtering mechanism, has reduced rivers and has guaranteed filterable efficiency to the impact of first filter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the drawings: 1. a housing; 2. a feed inlet; 3. a discharge port; 4. a partition plate; 5. a filtering mechanism; 51. a first filter plate; 52. a second filter plate; 6. a support bar; 7. a rotating shaft; 8. a rotating shaft; 9. a second bearing housing; 10. a squeegee; 11. a driven gear; 12. a driving gear; 13. a transmission rod; 14. a motor; 15. a discharge pipeline.

Detailed Description

As shown in figure 1 in the attached drawings of the specification, the fracturing sand filter tank comprises a shell 1, a feed inlet 2 arranged at the upper end of the shell 1 and a discharge outlet 3 arranged at the bottom of the shell 1, wherein a partition plate 4 is fixedly arranged at the middle part of the feed inlet 2, a filter mechanism 5 is arranged below the feed inlet 2, the filter mechanism 5 comprises a first filter plate 51, a second filter plate 52 and a support rod 6 which is arranged along the peripheral sides of the first filter plate 51 and the second filter plate 52 and fixedly supports the first filter plate 51 and the second filter plate 52, a rotating shaft 7 which penetrates through the second filter plate 52 is arranged between the partition plate 4 and the first filter plate 51, the top end of the rotating shaft 7 is inserted into a first bearing 8 arranged at the center of the bottom of the partition plate 4, the bottom end of the rotating shaft 8 is inserted into a second bearing 9 at the center of the second filter plate 52, a scraper 10 is fixedly connected at the position where the upper end of the rotating shaft 8 is close to, the upper end cover of rotation axis 8 is equipped with driven gear 11, and driven gear 11 meshing driving gear 12, and driving gear 12 cover is established on transfer line 13, and the output shaft rigid coupling of casing 1 and motor 14 is passed to one end of transfer line 13, and the lower extreme of bracing piece 6 rigid coupling respectively is on 15 feed liquor ends of ejection of compact pipeline, and the lower extreme of ejection of compact pipeline 15 buckles and passes casing 1.

Filter the grit that the volume is greater than the certified products in the raw materials, the raw materials flows into on the first filter 51 of filter mechanism 5 from feed inlet 2, get into second filter 52 again after first filter 51 filters, the filtration pore diameter of crossing of second filter 52 is less than the filtration pore diameter of crossing of first filter 51, can guarantee that the grit that is greater than the certified products in the raw materials filters totally, the certified products grit through second filter 52 is discharged by ejection of compact pipeline 15, filter after a period of time, starter motor 14, motor 14 drive transfer line 13 is rotatory, make driving gear 12 rotatory drive driven gear 11 rotatory, and then make rotation axis 7 rotatory, rotation axis 7 drives first filter 51, scraper blade 10 on the second filter 52 is rotatory, scraper blade 10 can stir the raw materials, avoid the raw materials filter to block up, and improve filtration efficiency, simultaneously, the centrifugal force that the rotatory production of scraper blade 10 can be greater than the certified products in the raw materials and get rid of the grit that is greater than the certified products to the interval department between casing 1 and and is discharged through a discharge port 3.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.

Claims (1)

1. The utility model provides a fracturing sand filter-tank, includes casing (1), sets up feed inlet (2) and discharge gate (3) of setting in casing (1) bottom in casing (1) upper end, its characterized in that: feed inlet (2) middle part has set firmly division board (4), the below of feed inlet (2) is equipped with filtering mechanism (5), filtering mechanism (5) include first filter (51), second filter (52) and along first filter (51), the week side setting of second filter (52) and fixed support play bracing piece (6) of first filter (51) and second filter (52), be equipped with between division board (4) and first filter (51) and pass rotation axis (7) of second filter (52), the top of rotation axis (7) is inserted and is established in division board (4) bottom center department's the primary shaft seat (8) that are equipped with, the bottom of rotation axis (7) is inserted and is established in secondary shaft seat (9) of second filter (52) center department, rotation axis (7) upper end is close the position and the lower extreme of first filter (51) are close the position of second filter (52) are fixed respectively There is scraper blade (10), the last pot head of rotation axis (7) is equipped with driven gear (11), driven gear (11) meshing driving gear (12), driving gear (12) cover is established on transfer line (13), the one end of transfer line (13) is passed the output shaft rigid coupling of casing (1) and motor (14), the lower extreme of bracing piece (6) rigid coupling is served at ejection of compact pipeline (15) feed liquor respectively, the lower extreme of ejection of compact pipeline (15) is buckled and is passed casing (1).

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