CN219704688U - Jet-type sand sucking device - Google Patents

Abstract

The utility model discloses a jet-type sand sucking device, which comprises a pump body, a nozzle and a venturi tube, wherein the nozzle and the venturi tube are respectively connected to two ends of the pump body, a sand sucking tube is arranged below the pump body, and the rear end of the venturi tube is connected with a sand blasting tube; the nozzle is detachably connected with the pump body through a thread structure, the nozzle port is provided with a spray ring, and the spray ring is provided with a plurality of spray holes. According to the utility model, the detachable nozzle structure is provided, and the nozzle structure is designed into a multi-nozzle mode, so that the formed negative pressure effect is better.

Description

Jet-type sand sucking device

Technical Field

The utility model belongs to the technical field of sand sucking equipment, and particularly relates to a jet type sand sucking device.

Background

Jet primarily refers to a stream of fluid that is ejected from a nozzle, orifice, slit, or mechanically propelled and mixed with surrounding fluid. In the prior art, the jet sand sucking device mainly adopts a jet principle, sucks water through a centrifugal water pump, then conveys the water to the jet pump after pressurization, and performs sand sucking operation by utilizing negative pressure generated by high-pressure water injection.

The jet sand sucking device generates negative pressure mainly through the connection of the high pressure water inlet pipe and the high pressure water during operation, the water flow is sprayed out from the nozzle hole of the spray head at high speed to form high speed water column, and the water drops atomized by the water are expanded by the water drops to form negative pressure along the movement direction of the water drops.

The nozzle structure of some existing sand sucking devices is fixed, after high-concentration silt slurry is sucked, the silt slurry is easily adhered and adsorbed on a nozzle opening after long-term work, negative pressure generated by the nozzle opening is reduced, backflow is easily formed in the later stage, and sand sucking efficiency is affected.

Disclosure of Invention

The utility model aims to provide a jet type sand sucking device, which has better negative pressure effect by providing a detachable nozzle structure and designing the nozzle structure into a multi-nozzle mode.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the jet type sand sucking device comprises a pump body, a nozzle and a venturi which are respectively connected to two ends of the pump body, wherein a sand sucking pipe is arranged below the pump body, and the rear end of the venturi is connected with a sand blasting pipe; the nozzle is detachably connected with the pump body through a thread structure, the nozzle port is provided with a spray ring, and the spray ring is provided with a plurality of spray holes.

Further, the spray ring comprises an annular base and an arc-shaped convex surface connected to the annular base, and the spray holes are uniformly distributed on the arc-shaped convex surface along the central axis of the annular base.

Further, the annular base and the nozzle port are detachably connected through a thread structure.

Further, a sealing groove is formed in the joint of the nozzle port and the pump body, and a sealing O-shaped ring is arranged in the groove.

Further, an arc-shaped transition section is arranged at the joint of the upper end face of the pump body and the throat.

Further, the sand sucking pipe is a tapered pipe which is gradually enlarged.

Compared with the prior art, the utility model has the advantages that: firstly, the utility model adopts the nozzle structure with the detachable connection structure, the whole nozzle structure can be detached and cleaned, and the situations that the fixed structure cannot be detached and cleaned, the nozzle is blocked when large sand and sundries are sucked in can be effectively avoided. The spray nozzle is also internally provided with the spray ring structure, and the spray ring can be replaced when necessary through the detachable connection of the spray nozzle.

And secondly, the spray ring is provided with a plurality of spray holes, so that the efficiency of water mist formed by high-pressure water column spraying can be effectively improved, the expansion effect on air formation is improved, and the negative pressure forming capability is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a jet type sand sucking device provided by the utility model.

Reference numerals: 1. a nozzle; 2. sealing the O-shaped ring; 3. an annular base; 4. a spray ring; 5. a spray hole; 6. a pump body; 7. a sand suction tube; 8. a sand blasting pipe; 9. a throat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

As shown in fig. 1, a jet type sand sucking device comprises a pump body 6, a nozzle 1 and a throat pipe 9 which are respectively connected to two ends of the pump body 6, wherein a sand sucking pipe 7 is arranged below the pump body, and the rear end of the throat pipe 9 is connected with a sand blasting pipe 8; the nozzle 1 and the pump body 6 are detachably connected through a thread structure, a spray ring 4 is arranged at a port of the nozzle 1, and a plurality of spray holes 5 are formed in the spray ring 4.

In comparison with the prior art, in the prior art, the pump body 6, the throat 9, the nozzle 1 and the sand blasting pipe 8 of the jet sand sucking device are basically of an integrated structure, the nozzle 1 is connected to a high-pressure water inlet pipe, water is sucked by a centrifugal water pump and pressurized into the nozzle 1, and high-speed water columns and water droplets atomized by the nozzle 1 are formed. In the direction of movement of the water droplets, air can form a negative pressure due to the expansion of the water droplets. The sand sucking pipe 7 is generally arranged below the pump body 6, and the joint of the sand sucking pipe and the pump body 6 is arranged behind the nozzle 1, so that negative pressure is also formed in the sand sucking pipe 7, and the sand is sucked under the action of the negative pressure. However, the prior art has the defect that the nozzle 1 has a single structure, and the nozzle 1 is flushed by a high-pressure water column for a long time, so that the nozzle belongs to a vulnerable part, but only a part with the spray hole 5 needs to be replaced in the structure of the nozzle 1, and the overall scrapping cost is high. Secondly, a large amount of hard stones or sundries are easily contained in the high-concentration slurry, and the high-concentration slurry is easy to block the spray holes 5 after being sucked, or the spray holes 5 are partially blocked, so that the formed negative pressure efficiency is reduced, and the overall working capacity is reduced. In the utility model, the adopted connection structure of the nozzle 1 and the pump body 6 is a detachable structure, and the connection of the nozzle ring 4 and the port of the nozzle 1 increases the replaceability of the vulnerable parts and reduces the repair time required by the damage of the vulnerable parts. And be provided with a plurality of orifices 5 on the spray ring 4, can effectively improve the water smoke efficiency that high-pressure water column sprayed and formed to improve the expansion effect reinforcing to the air formation, improve negative pressure formation ability.

The spray ring 4 comprises an annular base 3 and an arc-shaped convex surface connected to the annular base 3, and spray holes 5 are uniformly distributed on the arc-shaped convex surface along the central axis of the annular base 3. By the provision of the plurality of nozzle holes 5, the negative pressure forming ability is improved.

The annular base 3 and the port of the nozzle 1 are detachably connected through a thread structure. The quick assembly disassembly between annular base 3 and nozzle 1 port can be realized through the helicitic texture to can carry out quick replacement to the wearing part when overhauing, reduce the parking time.

A sealing groove is arranged at the joint of the port of the nozzle 1 and the pump body 6, and a sealing O-shaped ring 2 is arranged in the groove. The sealing performance of the connection between the nozzle 1 and the pump body 6 is compensated by the sealing O-shaped ring 2.

An arc-shaped transition section is arranged at the joint of the upper end surface of the pump body 6 and the throat pipe 9. The sand suction pipe 7 is a tapered pipe which is gradually enlarged. By arranging the arc-shaped transition section on the upper end surface of the pump body 6, the fluid resistance is reduced, and the suction capacity is improved.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a sand device is inhaled to efflux formula which characterized in that: the sand pump comprises a pump body (6), a nozzle (1) and a throat (9) which are respectively connected to two ends of the pump body (6), and a sand sucking pipe (7) is arranged below the pump body, wherein the rear end of the throat (9) is connected with a sand blasting pipe (8); the nozzle (1) is detachably connected with the pump body (6) through a threaded structure, a spray ring (4) is arranged at a port of the nozzle (1), and a plurality of spray holes (5) are formed in the spray ring (4).

2. The jet sand sucking device as claimed in claim 1, wherein: the spray ring (4) comprises an annular base (3) and an arc-shaped convex surface connected to the annular base (3), and the spray holes (5) are uniformly distributed on the arc-shaped convex surface along the central axis of the annular base (3).

3. The jet sand sucking device as claimed in claim 2, wherein: the annular base (3) is detachably connected with the port of the nozzle (1) through a thread structure.

4. The jet sand sucking device as claimed in claim 1, wherein: a sealing groove is formed in the joint of the port of the nozzle (1) and the pump body (6), and a sealing O-shaped ring (2) is arranged in the groove.

5. The jet sand sucking device as claimed in claim 1, wherein: an arc-shaped transition section is arranged at the joint of the upper end face of the pump body (6) and the throat pipe (9).

6. The jet sand sucking device as claimed in claim 1, wherein: the sand suction pipe (7) is a tapered pipe which is gradually enlarged.