A single-channel multi-rotation adjustable centrifugal fluid injection device

Abstract

The present invention discloses a single-channel multi-rotation adjustable centrifugal fluid injection device, which is suitable for single-channel multi-rotation adjustable multi-layer centrifugal fluid injection of water or aqueous solution or multiphase flow, including a cyclone and a nozzle. The cyclone is composed of a cyclone chamber and a cyclone inlet hole; the cyclone inlet hole is a radial hole; the multi-layer cyclones are assembled and installed, and are located together in the storage chamber; the fluid enters the storage chamber from the inlet, and enters each layer of the cyclone chamber through the cyclone inlet hole to form a cyclone, and then is ejected through the nozzle; the flow regulating block is connected to the solid wall of the storage chamber by a thread, and the flow rate is adjusted by adjusting the screw-in distance of the flow regulating block; the atomized particles of the fluid are adjusted by replacing the nozzle; the present invention greatly improves the atomization performance of the fluid and improves the uniformity of the fluid particle size.

Description

Technical Field

[0001] The invention relates to a single-path multi-rotation adjustable centrifugal fluid injection device, belonging to the field of fluid injection. Background Art

[0002] At present, the existing fluid atomization injection devices in China are divided into the following types according to their mechanism: impact jet type, pressure centrifugal type, two-phase flow type, and ultrasonic atomization type. The common disadvantages of the first three types include large atomized particles, uneven atomization flow field, and non-adjustable atomization flow rate, and limited application scenarios. Among them, the two-phase flow atomization device has a complex structure and high maintenance costs, and the ultrasonic atomization type has a high cost and is not suitable for working conditions with harsh on-site environments. Summary of the invention

[0003] The technical problem solved by the present invention is to overcome the deficiencies of the prior art, provide a single-channel multi-rotation adjustable centrifugal fluid injection device, and improve the atomization performance and effect of the fluid.

[0004] The object of the present invention is achieved through the following technical solution: A single-channel multi-rotation adjustable multi-layer centrifugal fluid injection device, comprising: a storage chamber (2), a flow regulating block (3), an external cyclone (4), a first replaceable external nozzle (6), a second replaceable internal nozzle (7) and an internal cyclone (8);

[0005] The upper end of the storage cavity (2) is provided with an opening serving as an inlet (10), and the lower end is provided with a circular hole connected to the external cyclone (4);

[0006] An annular threaded hole is provided on the outer side of the circular hole at the lower end of the storage chamber (2), and a flow regulating block (3) is installed. The flow regulating block (3) is in the shape of a hollow cylinder, and a threaded hole is provided on the outer wall thereof, which cooperates with the annular threaded hole at the lower end of the storage chamber (2). A circular hole is provided on the upper surface of the flow regulating block (3), and the inner wall of the circular hole is in contact with the outer wall of the outer cyclone (4);

[0007] The outer cyclone (4) is provided with a second cyclone inlet hole (12) at the bottom and is installed with a first replaceable nozzle (6); the inner cyclone (8) is provided with a first cyclone inlet hole (11) at the bottom and is installed with a second replaceable inner nozzle (7); a plurality of intermediate cyclones (13) are provided between the outer cyclone (4) and the inner cyclone (8), and a replaceable outer nozzle is provided at the bottom of each intermediate cyclone (13); the plurality of intermediate cyclones (13) are sleeved together, the innermost intermediate cyclone is connected to the inner cyclone (8), and the outermost intermediate cyclone is connected to the outer cyclone (4);

[0008] The bottom of the inner cyclone (8), the bottom of the middle cyclone (13) and the bottom of the outer cyclone (4) are flush with each other;

[0009] The top of the inner cyclone (8) is higher than the top of the middle cyclone (13); the top of the middle cyclone (13) is higher than the top of the outer cyclone (4); the top heights of the innermost middle cyclone to the outermost middle cyclone decrease in sequence, and the bottoms of all the middle cyclones are flush;

[0010] The side walls of the inner cyclone (8), the outer cyclone (4) and the intermediate cyclone (13) are all provided with a plurality of holes distributed along the circumferential direction and connected to the storage cavity (2).

[0011] Preferably, the storage chamber (2) is a hollow cylinder with an opening at the upper end. The upper end surface is the storage chamber solid wall (1). The storage chamber solid wall has a certain thickness. The inner wall of the opening at the upper end can be connected to or welded with an external thread; the opening at the upper end serves as an inlet (10); and the lower end is provided with an opening connected to the outer wall of the external cyclone (4).

[0012] Preferably, the lower end surface of the storage chamber (2) is provided with an annular hole, the inner side of the annular hole is provided with a thread, and the annular hole is coaxial with the opening provided at the lower end; the outer side of the side wall of the flow regulating block (3) is provided with a thread, and the side wall of the flow regulating block (3) can pass through the annular hole on the lower end surface of the storage chamber (2), and can be threaded in the annular hole to move axially relative to the external cyclone (4) to achieve precise adjustment;

[0013] Preferably, the outer cyclone (4) comprises an upper and lower part, the upper part being in the shape of a hollow cylinder, the upper surface of which is provided with a circular hole, connected to the outer wall of the inner cyclone (8); the lower part being in the shape of a conical funnel, the replaceable inner nozzle (6) being installed at the bottom of the conical funnel; the hollow parts of the upper part and the lower part together form an outer cyclone chamber (5); a plurality of rows of through holes (14) are circumferentially provided on the side wall of the upper part of the outer cyclone (4), which are connected to the storage chamber (2);

[0014] Preferably, the inner cyclone (8) comprises two parts, the upper part is a hollow cylinder with a closed upper surface; the lower part is a conical funnel shape, and a replaceable inner nozzle (7) is installed at the bottom of the conical funnel; the hollow parts of the upper part and the lower part together form an inner cyclone chamber (9).

[0015] Preferably, the flow regulating block (3) is in the shape of a hollow cylinder, with a circular hole on the upper end face, and the inner wall of the circular hole is in contact with the outer wall of the upper part of the outer cyclone (4); the flow regulating block (3) can slide linearly back and forth along the axial direction relative to the outer cyclone (4), so as to achieve flow regulation of the fluid entering the outer cyclone (4).

[0016] Preferably, the inlet (10) is circular.

[0017] Preferably, the fluid enters the storage chamber (2) through the inlet (10), and then enters the outer swirl chamber (5) and the inner swirl chamber (9), forms a swirl through the first swirl inlet hole (11) and the second swirl inlet hole (12), and then is sprayed out through the first replaceable nozzle (6) and the second replaceable nozzle (7), thereby realizing a single-channel multi-swirl atomization mode and improving the atomization performance of the nozzle.

[0018] Preferably, according to actual engineering requirements, different first replaceable multi-layer nozzles (6) and second replaceable nozzles (7) can be selected, and the screw-in depth can be adjusted to adjust the atomization effect.

[0019] Preferably, the flow rate of the inlet (10) is in the range of 1 L / min to 10 m / min. 3 / min.

[0020] Preferably, the applicable fluid is water, an aqueous solution or a multiphase flow medium.

[0021] Preferably, the inner cyclone (8) and the outer cyclone (4) are installed in combination to form a two-layer cyclone device, which are located together in the storage cavity (2).

[0022] Preferably, the inner cyclone (8), the middle cyclone (13) and the outer cyclone (4) are installed in combination to form a multi-layer cyclone device, which are located together in the storage cavity (2).

[0023] Preferably, the first replaceable nozzle (6) and the second replaceable nozzle (7) are respectively connected to the bottom of the outer cyclone (4) and the bottom of the inner cyclone (8) through threads to facilitate replacement.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (1) The single-channel multi-rotation atomization mode can ensure the uniformity of the fluid atomization particle size distribution and the uniformity of the fluid span distribution, thus achieving uniform spraying.

[0026] (2) The fluid flow rate can be adjusted within a wide range, and the corresponding fluid flow rate can be set according to project requirements.

[0027] (3) The injection speed of the fluid is controllable and can be controlled according to engineering requirements.

[0028] (4) Fluids include water, aqueous solutions, and multiphase flows. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a single-channel multi-rotation adjustable centrifugal fluid injection device of the present invention;

[0030] Figure 2It is a preferred schematic diagram of the structure of a single-channel multi-rotation adjustable centrifugal fluid injection device of the present invention; DETAILED DESCRIPTION

[0031] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] The present invention discloses a single-channel multi-rotation adjustable multi-layer centrifugal fluid injection device suitable for water or aqueous solution or multiphase flow, including a cyclone and a nozzle. The cyclone is composed of a cyclone chamber and a cyclone inlet hole; the cyclone inlet hole is a radial hole; the multi-layer cyclones are assembled and installed, and are located together in the storage chamber; the fluid enters the storage chamber from the inlet, and enters each layer of the cyclone chamber through the cyclone inlet hole to form a cyclone, and then is ejected through the nozzle; the flow regulating block is connected to the solid wall of the storage chamber by a thread, and the flow rate is adjusted by adjusting the screw-in distance of the flow regulating block; the atomized particles of the fluid are adjusted by replacing the nozzle; the present invention greatly improves the atomization performance of the fluid and improves the uniformity of the fluid particle size.

[0033] The present invention can be applied to the removal of dust particles in the air, spraying of component surfaces, etc. The spraying device of the present invention can replace the nozzles 6 and 7 according to different application scenarios, such as Figure 1 As shown, the size of the atomized particles can be changed, and the number of intermediate cyclones 13 can be increased according to the requirements of the spraying particle concentration, such as Figure 2 As shown, the purpose of improving the atomization effect and performance is achieved. The present invention solves the problem that the existing atomization spray device has a single application scenario and a limited atomization particle size.

[0034] The present invention discloses a single-channel multi-rotation adjustable multi-layer centrifugal fluid injection device, comprising: a storage chamber (2), a flow regulating block (3), an external cyclone (4), a first replaceable external nozzle (6), a second replaceable internal nozzle (7) and an internal cyclone (8);

[0035] The upper end of the storage chamber (2) is provided with a circular opening serving as an inlet (10); the upper end surface is a storage chamber solid wall (1) having a certain thickness; the lower end is provided with a circular hole connected to the external cyclone (4); the inner side of the annular hole is provided with a thread, and the annular hole is coaxial with the opening provided at the lower end; the outer side of the side wall of the flow regulating block (3) is provided with a thread, and the side wall of the flow regulating block (3) can pass through the annular hole on the lower end surface of the storage chamber (2) and can be threaded in the annular hole to move axially relative to the external cyclone (4) to achieve precise adjustment;

[0036] The outer cyclone (4) is divided into two parts, the upper part is a hollow cylinder, the upper surface of the hollow cylinder is provided with a circular hole, and is connected to the outer wall of the inner cyclone (8); the lower part is a conical funnel shape, the bottom is provided with a second cyclone inlet hole (12), and a first replaceable nozzle (6) is installed, and the hollow parts of the upper part and the lower part together form an outer cyclone cavity (5); a plurality of through holes (14) are circumferentially provided on the side wall of the upper part of the outer cyclone (4), which are connected to the storage cavity (2); the inner cyclone (8) comprises two parts, the upper part is a hollow cylinder, the middle The upper surface of the hollow cylinder is closed; the lower part is in the shape of a conical funnel, and a replaceable inner nozzle (7) and a first swirl inlet hole (11) are installed at the bottom of the conical funnel; the hollow parts of the upper part and the lower part jointly form an inner swirl chamber (9); a plurality of intermediate swirls (13) are arranged between the outer swirl (4) and the inner swirl (8), and a replaceable outer nozzle is arranged at the bottom of each intermediate swirl (13); the plurality of intermediate swirls (13) are sleeved together, the innermost intermediate swirl is connected to the inner swirl (8), and the outermost intermediate swirl is connected to the outer swirl (4);

[0037] The bottom of the inner cyclone (8), the bottom of the middle cyclone (13) and the bottom of the outer cyclone (4) are flush with each other;

[0038] The top of the inner cyclone (8) is higher than the top of the middle cyclone (13); the top of the middle cyclone (13) is higher than the top of the outer cyclone (4); the top heights of the innermost middle cyclone to the outermost middle cyclone decrease in sequence, and the bottoms of all the middle cyclones are flush;

[0039] The side walls of the inner cyclone (8), the outer cyclone (4) and the intermediate cyclone (13) are all provided with a plurality of holes (14) distributed along the circumferential direction and connected to the storage cavity (2).

[0040] The present invention is a single-channel multi-rotation adjustable centrifugal liquid injection device. The preferred working mode is that the liquid enters the storage chamber (2) through the inlet hole (10), then enters the outer cyclone (4) and the intermediate cyclone (13), the inner cyclone (8) through the through hole (14), and finally is sprayed out through the nozzles (6) and (7). The diameter of the nozzle and the number of intermediate cyclones can be replaced according to the flow rate requirements and the atomized particle diameter requirements.

[0041] The present invention adopts a single-channel multi-rotation atomization mode, which can ensure the uniformity of the fluid atomization particle size distribution and the uniformity of the fluid span distribution, and realize uniform injection. The fluid flow rate in the present invention is adjustable in a wide range, and the corresponding fluid flow rate can be set according to engineering requirements. The injection speed of the fluid in the present invention is controllable, and the injection speed can be controlled according to engineering requirements. The fluid in the present invention includes water, aqueous solution, and multiphase flow.

[0042] The present invention is not limited to the above-mentioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

[0043] The contents not described in detail in the specification of the present invention belong to the common knowledge of the professionals in this field.

Claims

1. A single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device, characterized in that: include: A storage chamber (2), a flow regulating block (3), an external cyclone (4), a first replaceable external nozzle (6), a second replaceable internal nozzle (7) and an internal cyclone (8); The upper end of the storage cavity (2) is provided with an opening serving as an inlet (10), and the lower end of the storage cavity (2) is provided with a circular hole connected to the external cyclone (4); An annular threaded hole is provided on the outer side of the circular hole at the lower end of the storage chamber (2) for installing a flow regulating block (3); the flow regulating block (3) is in the shape of a hollow cylinder, and a thread is provided on the outer wall thereof, which cooperates with the annular threaded hole at the lower end of the storage chamber (2); a circular hole is provided on the upper surface of the flow regulating block (3), and the inner wall of the circular hole is in contact with the outer wall of the outer cyclone (4); The outer cyclone (4) is provided with a second cyclone inlet hole (12) at the bottom and is installed with a first replaceable outer nozzle (6); the inner cyclone (8) is provided with a first cyclone inlet hole (11) at the bottom and is installed with a second replaceable inner nozzle (7); a plurality of intermediate cyclones (13) are provided between the outer cyclone (4) and the inner cyclone (8), and a replaceable outer nozzle is provided at the bottom of each intermediate cyclone (13); the plurality of intermediate cyclones (13) are sleeved together, the innermost intermediate cyclone is connected to the inner cyclone (8), and the outermost intermediate cyclone is connected to the outer cyclone (4); The bottom of the inner cyclone (8), the bottom of the middle cyclone (13) and the bottom of the outer cyclone (4) are flush with each other; The top of the inner cyclone (8) is higher than the top of the middle cyclone (13); the top of the middle cyclone (13) is higher than the top of the outer cyclone (4); the top heights of the innermost middle cyclone to the outermost middle cyclone decrease in sequence, and the bottoms of all the middle cyclones are flush; The side walls of the inner cyclone (8), the outer cyclone (4) and the intermediate cyclone (13) are all provided with a plurality of through holes distributed along the circumferential direction and connected to the storage cavity (2).

2. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The storage cavity (2) is in the shape of a hollow cylinder, and the upper end is provided with an open inner wall which can be connected to an external thread or welded.

3. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The external cyclone (4) comprises an upper and lower part, the upper part is a hollow cylindrical part; the lower part is a conical funnel shape, and the first replaceable external nozzle (6) is installed at the bottom of the conical funnel; the hollow parts of the upper part and the lower part together form an external cyclone chamber (5).

4. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The inner cyclone (8) comprises an upper and lower part, the upper part is a hollow cylindrical part; the lower part is a conical funnel shape, and the second replaceable inner nozzle (7) is installed at the bottom of the conical funnel; the hollow parts of the upper part and the lower part together form an inner cyclone chamber (9).

5. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The inlet (10) is circular.

6. The single-channel multi-rotation adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: Applicable fluids are water or aqueous solutions.

7. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The inner cyclone (8), the middle cyclone (13) and the outer cyclone (4) are installed in combination to form a multi-layer cyclone device, which are located together in the storage cavity (2).

8. The single-channel, multi-rotation, adjustable multi-layer centrifugal fluid injection device according to claim 1, characterized in that: The first replaceable outer nozzle (6) and the second replaceable inner nozzle (7) are respectively connected to the bottom of the outer cyclone (4) and the bottom of the inner cyclone (8) through threads, so as to facilitate replacement.

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