CN219209809U

CN219209809U - Powder liquid quick mixing device

Info

Publication number: CN219209809U
Application number: CN202320296900.XU
Authority: CN
Inventors: 王中奇; 牛广明; 刘正正; 刘方方; 郭宛新; 郭景波
Original assignee: Henan Senle Intelligent Equipment Technology Co ltd
Current assignee: Henan Senle Intelligent Equipment Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-20
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to a powder liquid rapid mixing device which comprises a barrel, a spray head and a powder material feeding pipe, wherein the spray head is arranged at the lower side of the barrel, a liquid inlet is formed in the side wall of the barrel, the powder material feeding pipe extending into the barrel is arranged at the upper side of the barrel, a conical inner cavity is formed in the spray head, and a liquid outlet pipe communicated with the conical inner cavity is further arranged at the lower side of the spray head; the lower end of the powder feeding pipe stretches into the conical inner cavity and is close to the side wall of the conical inner cavity, and a plurality of anti-rotation guide plates which are symmetrically arranged by the central axis of the spray head are further arranged on the side wall of the conical inner cavity; in the application, the powder particles and the high-pressure liquid are mixed in the liquid outlet pipe, so that the powder particles in the powder feeding pipe can be effectively prevented from blocking the powder feeding pipe when the powder particles swell with water; through set up the anti-rotation guide plate on the lateral wall of the toper inner chamber of shower nozzle, can effectively avoid high-pressure liquid to appear rotatory flow around annular gap, can improve and mix efficiency, higher axial velocity of flow can make to mix more evenly.

Description

Powder liquid quick mixing device

Technical Field

The utility model relates to petroleum exploitation equipment, in particular to a powder-liquid rapid mixing device for petroleum exploitation.

Background

In the fields of medicine, chemical industry, environmental protection and oil and gas exploitation, rapid and uniform mixing of powder and liquid is generally required, for example: blending liquid medicine, blending sewage treatment liquid medicine, blending oil displacement agent and fracturing fluid in oil and gas exploitation, etc. As disclosed in the Chinese patent document with the publication number of CN206500046U, the novel fracturing fluid powder-liquid mixer adopts the annular jet flow principle and the powder discrete action, so that the suction amount of the rubber powder and the viscosity of the fracturing fluid are improved, the generation of powder clusters is avoided, and the mixing efficiency and uniformity are improved. However, in the scheme disclosed in this document, the structural design of the powder-liquid mixer is unreasonable, the resistance in the powder conveying process is large, and the mixing uniformity is to be improved.

Disclosure of Invention

The utility model aims to provide a powder-liquid rapid mixing device which is used for solving the problems of low mixing efficiency and uneven mixing of the existing powder-liquid mixer.

In order to solve the problems, the utility model provides a powder-liquid quick mixing device, which comprises a barrel, a spray head and a powder feeding pipe, wherein the spray head is arranged on the lower side of the barrel, a liquid inlet is formed in the side wall of the barrel, the powder feeding pipe extending into the barrel is arranged on the upper side of the barrel, a conical inner cavity is formed in the spray head, and a liquid outlet pipe communicated with the conical inner cavity is further arranged on the lower side of the spray head; the lower end of the powder feeding pipe stretches into the conical inner cavity and is close to the side wall of the conical inner cavity, and a plurality of anti-rotation guide plates which are symmetrically arranged with the central axis of the spray head are further arranged on the side wall of the conical inner cavity.

The powder-liquid rapid mixing device provided by the utility model also has the following technical characteristics:

further, the outer diameter of the powder feeding pipe is smaller than or equal to the inner diameter of the liquid outlet pipe.

Further, a plurality of anti-rotation diversion trenches are further formed in the side wall of the lower end of the powder feeding pipe.

Further, a plurality of anti-rotation vertical plates are further arranged on the side wall of the lower end of the powder feeding pipe, the anti-rotation vertical plates are symmetrically arranged with the central axis of the powder feeding pipe as the center, and anti-rotation diversion trenches are formed between the adjacent anti-rotation vertical plates.

The utility model has the following beneficial effects: after the pressurized liquid enters the cylinder from the liquid inlet, the pressurized liquid flows to the liquid outlet pipe through an annular gap between the lower end of the powder feeding pipe and the inner wall of the spray head, negative pressure is formed in the powder feeding pipe by utilizing the venturi principle, so that powder particles are ejected out through the lower end of the powder feeding pipe under the action of negative pressure suction and are mixed with high-pressure liquid, and the powder is not required to be conveyed by external power; powder particles and high-pressure liquid are mixed in the liquid outlet pipe, so that the powder particles in the powder feeding pipe can be effectively prevented from blocking the powder feeding pipe when being expanded by water; through set up the anti-rotation guide plate on the lateral wall of the toper inner chamber of shower nozzle, can effectively avoid high-pressure liquid to appear rotatory flow around annular gap for high-pressure liquid has great velocity of flow through annular gap back along the axial flow of drain pipe, makes to produce great negative pressure in the powder inlet pipe, can improve mixing efficiency, and higher axial velocity of flow can make the mixing more even.

Drawings

Fig. 1 is a schematic structural diagram of a powder-liquid rapid mixing device according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a powder-liquid rapid mixing device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a spray head according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the structure of a powder feeding pipe according to an embodiment of the present utility model;

fig. 5 is a partially enlarged view at a in fig. 4.

Detailed Description

The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the embodiment of the powder-liquid quick mixing device of the present utility model shown in fig. 1 to 5, the powder-liquid quick mixing device comprises a barrel 10, a spray head 20 and a powder feeding pipe 30, wherein the spray head 20 is installed at the lower side of the barrel 10, a liquid inlet 11 is arranged on the side wall of the barrel 10, the powder feeding pipe 30 extending into the barrel 10 is arranged at the upper side of the barrel 10, a conical inner cavity is arranged in the spray head 20, and a liquid outlet pipe 21 communicated with the conical inner cavity is also arranged at the lower side of the spray head 20; the lower extreme of powder inlet pipe 30 stretches into the toper inner chamber just be close to the lateral wall of toper inner chamber for form annular liquid circulation clearance between the lateral wall of the toper inner chamber of powder inlet pipe 30 and shower nozzle 20, still be equipped with on the lateral wall of toper inner chamber and prevent that liquid from appearing the whirl in the toper inner chamber of shower nozzle 20 with the a plurality of anti-rotation guide plates 22 that the central axis symmetry of shower nozzle 20 set up.

In the application, by arranging the liquid inlet on the side wall of the cylinder, the powder feeding pipe and the liquid outlet pipe of the spray head are arranged in the same direction, the central axis of the powder feeding pipe coincides with the central axis of the liquid outlet pipe, an annular liquid circulation gap is formed between the lower end of the powder feeding pipe and the side wall of the conical inner cavity of the spray head, high-pressure liquid flows to the liquid outlet pipe from the liquid inlet after entering the cylinder through the annular gap between the lower end of the powder feeding pipe and the inner wall of the spray head, negative pressure is formed in the powder feeding pipe by utilizing the Venturi principle, powder particles are ejected out through the lower end of the powder feeding pipe under the action of negative pressure suction and are mixed with the high-pressure liquid, and external power is not needed to convey powder; according to the scheme adopted by the application, powder particles and high-pressure liquid are mixed in the liquid outlet pipe, so that the powder particles in the powder feeding pipe can be effectively prevented from blocking the powder feeding pipe when being expanded by water; through set up the anti-rotation guide plate on the lateral wall of the toper inner chamber of shower nozzle, can effectively avoid high-pressure liquid to appear circumference through annular gap around flowing for high-pressure liquid flows along the axial of drain pipe behind annular gap, makes the powder inlet pipe in produce great negative pressure, can improve mixing efficiency, and higher axial velocity of flow can make the mixing more even.

In one embodiment of the present application, preferably, the outer diameter of the powder feeding pipe 30 is equal to or smaller than the inner diameter of the liquid outlet pipe 21, specifically, when the outer diameter of the powder feeding pipe 30 is smaller than the inner diameter of the liquid outlet pipe 21, the lower end of the powder feeding pipe 30 may be inserted into the liquid outlet pipe 21, and an annular gap is formed between the outer wall of the powder feeding pipe 30 and the inner wall of the liquid outlet pipe 21; when the outer diameter of the powder feeding pipe 30 is equal to the inner diameter of the liquid outlet pipe 21, the lower end of the powder feeding pipe 30 is close to the upper edge of the liquid outlet pipe 21, so that an annular gap is formed between the lower end of the powder feeding pipe 30 and the upper edge of the liquid outlet pipe 21.

In one embodiment of the present application, preferably, a plurality of anti-rotation diversion trenches are further provided on the sidewall of the lower end of the powder feeding pipe 30, so that the high-pressure liquid is prevented from flowing circumferentially when the lower end of the powder feeding pipe 30 contacts with the powder particles, and has a larger flow velocity when the high-pressure liquid contacts with the powder particles, so that the mixing is more uniform.

In an embodiment of the present application, preferably, a plurality of anti-rotation risers 31 are further disposed on a side wall of a lower end of the powder feeding pipe 30, the plurality of anti-rotation risers 31 are symmetrically disposed with a central axis of the powder feeding pipe 30 as a center, and anti-rotation guide grooves are formed between adjacent anti-rotation risers 31, so that energy loss in a high-pressure liquid flowing process can be reduced by preventing swirling flow in the high-pressure liquid flowing process, a larger negative pressure can be generated by using a venturi principle through a higher liquid flow velocity, and therefore mixing efficiency can be improved, and mixing is more uniform.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; 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

1. The quick powder-liquid mixing device comprises a barrel, a spray head and a powder feeding pipe, and is characterized in that the spray head is arranged on the lower side of the barrel, a liquid inlet is formed in the side wall of the barrel, the powder feeding pipe extending into the barrel is arranged on the upper side of the barrel, a conical inner cavity is formed in the spray head, and a liquid outlet pipe communicated with the conical inner cavity is further arranged on the lower side of the spray head; the lower end of the powder feeding pipe stretches into the conical inner cavity and is close to the side wall of the conical inner cavity, and a plurality of anti-rotation guide plates which are symmetrically arranged with the central axis of the spray head are further arranged on the side wall of the conical inner cavity.

2. The rapid powder-liquid mixing device according to claim 1, wherein: the outer diameter of the powder feeding pipe is smaller than or equal to the inner diameter of the liquid outlet pipe.

3. The rapid powder-liquid mixing device according to claim 1, wherein: the side wall of the lower end of the powder feeding pipe is also provided with a plurality of anti-rotation diversion trenches.

4. The rapid powder-liquid mixing device according to claim 3, wherein: the powder feeding pipe is characterized in that a plurality of anti-rotation vertical plates are further arranged on the side wall of the lower end of the powder feeding pipe, the anti-rotation vertical plates are symmetrically arranged with the central axis of the powder feeding pipe as the center, and anti-rotation guide grooves are formed between the adjacent anti-rotation vertical plates.