WO2024002035A1

WO2024002035A1 - Spraying device

Info

Publication number: WO2024002035A1
Application number: PCT/CN2023/102543
Authority: WO
Inventors: 翟长远; 李思; 吕春玲; 谷趁趁; 张春凤; 赵学观; 卓振媛; 杨硕; 宋健
Original assignee: 北京市农林科学院智能装备技术研究中心
Priority date: 2022-06-29
Filing date: 2023-06-27
Publication date: 2024-01-04
Also published as: ZA202307099B; CN115316695A; CN115316695B

Abstract

A spraying device, comprising a spraying stator assembly and a spraying rotor actuator. The spraying stator assembly comprises a cylindrical spraying stator (2), an air inlet connector (3), and a water supply connector (4); the spraying rotor actuator comprises a spraying rotor axial core (9), a spraying rotor lower cavity (8), atomizing nozzles (5), and right-angled air spray connectors (7); a first end of the spraying stator is fixedly connected to an external mechanism; the spraying rotor axial core is sleeved in the spraying stator; the spraying rotor axial core is fixedly connected to the spraying rotor lower cavity at a second end of the spraying stator; the atomizing nozzles and the air spray connectors are fixed on the side surface of the spraying rotor lower cavity; the air inlet connector and the water supply connector are arranged on the side surface of the spraying stator, the air inlet connector is connected to the air spray connectors by means of air inlet pipelines, and the water supply connector is connected to the atomizing nozzles by means of liquid inlet pipelines. According to the spraying device, separation of air and liquid can be achieved by means of the air inlet pipelines and the liquid inlet pipelines in the spraying rotor axial core, and mist disturbance is achieved by spraying air while spraying mist; moreover, rotary spraying can be achieved, and mist spreading is accelerated.

Description

a spray device

Technical field

The present invention relates to the technical field of tobacco processing, and in particular to a spray device.

Background technique

In the resurgence and humidification operation of flue-cured tobacco, the traditional resurgence method relies on the natural resurgence of moisture by standing still, which is time-consuming, inefficient, and ineffective, and needs to be improved.

In the related technology, the spray device can only spray, with a single function and cannot effectively diffuse the mist. Even if the mist is blown by a circulation fan to speed up the diffusion and flow of the mist, the diffusion effect is not good due to the directional blowing.

Contents of the invention

The present invention provides a spray device to solve the problem in the prior art that the spray device cannot effectively diffuse the mist, accelerate the diffusion speed of the mist, and expand the diffusion area of the mist.

The invention provides a spray device, which includes: a spray stator assembly and a spray rotor actuator. The spray stator assembly includes a cylindrical spray stator, an air inlet joint and a water supply joint; the spray rotor actuator includes a spray rotor shaft. Core, lower cavity of the spray rotor, atomizing nozzle and right-angled jet joint;

The first end of the spray stator is fixedly connected to an external mechanism;

The second end of the spray stator is provided with an opening, and the spray rotor axis is sleeved in the spray stator through the opening at the second end of the spray stator and can rotate around the central axis of the spray stator;

The spray rotor axis is provided with a radial extension at the second end of the spray stator, and the lower cavity of the spray rotor is fixed on the extension; the side of the lower cavity of the spray rotor is fixed with the mist chemical nozzle and the jet joint;

An air inlet joint and a water supply joint are provided on the side of the spray stator. The air inlet joint is connected to the air jet joint through an air inlet pipe in the spray rotor axis. The water supply joint passes through the spray rotor axis. The liquid inlet pipe inside is connected to the atomizing nozzle.

The spray device provided by the invention realizes gas-liquid splitting through the air inlet pipe and the liquid inlet pipe in the axis core of the spray rotor. The water flow can enter the liquid inlet pipe through the water supply joint and then be sprayed out through the atomizing nozzle. The air flow It can enter the air inlet pipe through the air inlet joint and then spray out through the air jet joint. While spraying, the device air jet is used to disturb the mist. At the same time, the sprayed gas is used to form a reaction force to push the spray rotor axis to rotate around the central axis of the spray stator, and then Drive the atomizing nozzle to rotate the spray, speed up the diffusion speed of the mist, expand the diffusion area of the mist, thereby optimizing the effect and efficiency of the spray resurgence, and on the premise of completing the above functions, one less rotating power output source is needed.

Description of drawings

Figure 1 is a schematic structural diagram of the spray device;

Figure 2 is a front view of the spray device;

Figure 3 is a top view of the spray device;

Figure 4 is a cutaway view of the A-A side and B-B side of the spray device;

Figure 5 is a schematic diagram of the water flow of the spray device;

Figure 6 is a schematic diagram of the rotation working principle of the spray device;

Figure 7 is a D-D plan view of the spray device;

Figure 8 is a cutaway view of the E-E plane of the spray device;

Figure 9 is a cutaway view of the F-F plane of the spray device;

Figure 10 is a schematic diagram of the liquid recovery tray of the spray device.

Detailed ways

Fig. 1 is a schematic structural diagram of the spray device provided by the present invention; Fig. 2 is a front view of the spray device provided by the present invention. In order to facilitate the explanation of the structure of the spray device, the present invention provides sliced views at different positions. The specific sliced positions As shown in Figure 2, B-B planing planes, C-C planing planes, D-D planing planes, E-E planing planes, and F-F planing planes are provided; Figure 3 is a top view of the spray device provided by the present invention, and A-A planing planes are provided; Figure 4 is a view of the spray device provided by the present invention. Schematic diagrams of the A-A plane and the B-B plane of the spray device provided by the invention (corresponding to the A-A plane plane shown in Figure 3 and the B-B plane plane shown in Figure 2).

As shown in Figures 1 to 4, the spray device includes: a spray stator assembly and a spray rotor actuator. The spray stator assembly includes a cylindrical spray stator 2, an air inlet joint 3 and a water supply joint 4. The spray rotor actuator includes a spray stator assembly and a spray rotor actuator. Rotor shaft core 9, spray rotor lower chamber 8, atomizing nozzle 5 and right-angled jet joint 7;

The first end of the spray stator 2 is fixedly connected to the external mechanism;

The second end of the spray stator is provided with an opening, and the spray rotor axis 9 is sleeved in the spray stator 2 through the opening at the second end of the spray stator and can rotate around the central axis of the spray stator 2;

The spray rotor axis 9 is provided with a radial extension at the second end of the spray stator 2, and the spray rotor lower chamber 8 is fixed on the extension; the atomizing nozzle 5 and the jet joint 7 are fixed on the side of the spray rotor lower chamber 8;

The side of the spray stator 2 is provided with an air inlet joint 3 and a water supply joint 4. The air inlet joint 3 is connected to the jet joint 7 through the air inlet pipe in the spray rotor axis 9, and the water supply joint 4 passes through the liquid inlet in the spray rotor axis 9. The pipeline is connected to the atomizing nozzle 7.

Specifically, the gas-liquid divergence is achieved through the air inlet pipe and the liquid inlet pipe in the spray rotor axis 9. The water flow can enter the liquid inlet pipe through the water supply joint and then be sprayed out through the atomizing nozzle 5. The air flow can enter the air inlet through the air inlet joint. The pipe then sprays out through the spray joint 7. While spraying, the device spray is used to disturb the mist. At the same time, the sprayed gas is used to form a reaction force to push the spray rotor axis 9 to rotate around the central axis of the spray stator 2, thereby driving the atomizing nozzle 5. Carry out rotating spray to speed up the diffusion speed of mist and expand the diffusion area of mist, thereby optimizing the effect and efficiency of spray resurgence. On the premise of completing the above functions, one less rotating power output source is needed.

As shown in Figure 4, the spray rotor axis 9 has a disc-shaped extension perpendicular to the central axis at the opening of the second end of the spray stator 2. The first end surface of the disc-shaped extension is in contact with the second end of the spray stator 2. The opening is in contact, and the second end surface of the disc-shaped extension is fixedly connected to the lower chamber 8 of the spray rotor.

The radial extension part of the spray rotor shaft core 9 and the lower cavity 8 of the spray rotor can be connected through threads, and the sealing ring is clamped and sealed.

Optionally, as shown in Figures 1-4, the number of atomizing nozzles 5 is two. The two atomizing nozzles 5 are oppositely arranged on the sides of the lower chamber 8 of the spray rotor. The number of air jet joints 7 is two, two. The jet joint 7 is relatively arranged on the side of the lower chamber 8 of the spray rotor;

The first height of the air inlet joint 3 in the axial direction is different from the second height of the water supply joint 4 in the axial direction; the inner wall of the spray stator 2 is provided with a first annular groove and a first annular groove at the first height and the second height respectively. a second annular groove, the first annular groove and the side wall of the spray rotor axis core 9 form a first chamber, the second annular groove and the side wall of the spray rotor axis core 9 form a second chamber;

There are two air inlet pipes symmetrically distributed on both sides of the central axis in the spray rotor core 9. The air inlet pipes extend radially at the first height and communicate with the first chamber; there are symmetrically distributed air inlet pipes in the spray rotor core 9. Two liquid inlet pipes on both sides of the central axis. The liquid inlet pipe extends radially at the second height and is connected to the second chamber. rooms connected;

The air inlet pipe extends axially into the lower chamber 8 of the spray rotor and is connected with the jet joint 7; the liquid inlet pipe extends axially into the lower cavity 8 of the spray rotor and is connected with the atomizing nozzle 5.

It can be understood that the two jet joints 7 are in a right-angled shape and are symmetrical about the center. The two jet joints 7 eject gas in opposite directions, and the reaction force of the gas pushes the spray rotor actuator to perform circular motion. The sprayed gas can push the spray rotor actuator to rotate through reaction force and at the same time blow the surrounding mist, promoting the disturbance and diffusion of mist.

As shown in Figure 3, the jet joint 7 can be fixed on the side of the lower chamber 8 of the spray rotor through fixing bolts 11.

As shown in Figure 4, the inner wall of the spray stator 2 can be provided with a rotor circlip 12, a rotor top bearing 13 and a rotor lower bearing 15. The rotor circlip 12 can axially position the spray rotor shaft core 9, and the rotor top bearing 13 can And the lower bearing 15 of the rotor can position the spray rotor axis 9 radially.

Optionally, as shown in Figure 4, in order to ensure the sealing performance of the spray device, a lower cavity sealing gasket 16, a shaft core sealing gasket 18, a connection sealing ring 19, a stator sealing ring 22 and a cavity sealing ring 23 can be provided.

Optionally, as shown in Figure 4, a spray stator end cover 21 can be provided at the first end of the spray stator 2. The spray stator end cover 21 is connected to the bearing hole of the spray stator 2 to function as a dustproof seal.

Optionally, as shown in FIG. 4 , cavity sealing rings 23 are distributed on both sides of the gas-liquid channel to play a sealing role.

Optionally, Figure 5 is a schematic diagram of the water and gas flow of the spray device provided by the present invention. As shown in Figure 5, the double-dot and dash lines shown in B-B1 and B-B2 are the air supply flow routes, and the equipment connected to end B is Positive pressure blowing is formed, and the wind flows from B to B1 and B2 and is discharged through the jet joint 7.

Optionally, as shown in Figure 5, the double-dotted lines shown in C-C1 and C-C2 are the flow paths of the liquid supply. The water supply equipment connected to the C end forms water replenishment, and the water flows from C to C1 and C2 respectively through the fog. The nozzle 5 forms mist and then discharges it.

Optionally, Figure 6 is a schematic diagram of the rotational working principle of the spray device provided by the present invention (corresponding to the C-C plane shown in Figure 2). As shown in Figure 6, gas and liquid are sprayed from respective nozzles respectively, and the jets form reaction forces. The spray rotor actuator can be pushed to rotate continuously in the direction of the arrow in Figure 6, thereby achieving the effects of rotating spray, pneumatic rotation, and air blowing disturbance.

Optionally, as shown in Figure 6, the atomizing nozzle 5 may include: a nozzle terminal 501, a nozzle 502, Pressure spring 503 and flow stabilizing slider 504.

Optionally, Figure 8 is an E-E plan view of the spray device provided by the present invention (corresponding to the E-E plan view shown in Figure 2). As shown in Figure 8, it is a cross-sectional view of the spray stator 2 and the spray rotor axis 9. It can be seen that the inlet air flows through, as shown in the direction of the arrow in Figure 8. The gas enters the branching chamber (i.e. the first chamber) from the external device through the air inlet joint 3, and flows into the spray rotor in the cavity as shown by the arrow in Figure 8. into the two air inlet ducts in the shaft core 9, and then ejected through the jet joint 7.

Optionally, Figure 9 is an F-F plane cut view of the spray device provided by the present invention (corresponding to the F-F plane cut shown in Figure 2). As shown in Figure 9, it is a cross-sectional view of the spray stator 2 and the spray rotor axis 9 It can be seen that the inlet liquid flows through. As shown in the direction of the arrow in Figure 9, the liquid enters the liquid branching chamber (i.e. the second chamber) from the external device through the water supply joint 4. In the cavity, it flows into the spray as shown by the arrow in Figure 9. into the two liquid inlet pipes in the rotor shaft core 9, and then atomized and sprayed out through the atomizing nozzle 5.

Optionally, as shown in Figures 1-4, the spray device also includes: a liquid recovery tray 6, and the spray stator assembly also includes a liquid suction joint 24 provided on the side of the spray stator. The liquid suction joint 24 is in the axial direction. The third height is different from the first height and the second height;

The inner wall of the spray stator 2 is provided with a third annular groove at a third height, and the third annular groove forms a third chamber with the side wall of the spray rotor axis 9;

The spray rotor shaft core 9 is provided with a liquid suction pipe at the central axis, and the liquid suction pipe extends bidirectionally in the radial direction at the third height and is connected to the third chamber;

The liquid suction pipe extends axially through the lower chamber 8 of the spray rotor and is fixedly connected to the liquid collection disk 6 . The liquid collection disk 6 maintains a first preset distance from the spray rotor lower cavity 8 .

Optionally, as shown in Figure 4, in order to ensure the sealing performance of the spray device, a suction tube sealing ring 17 can be provided.

Optionally, as shown in FIG. 4 , the liquid suction joint 24 can be connected to an external liquid suction device to form a negative pressure to suck the accumulated liquid in the liquid recovery tray 6 .

Optionally, as shown in Figure 5, the dotted line shown by A-A' is the flow path of the fluid aspiration, and the equipment connected to end A forms a negative pressure to suck the fluid at A.

Optionally, Figure 7 is a cutaway view of the DD plane of the spray device provided by the present invention (corresponding to the CC cut plane shown in Figure 2). As shown in Figure 7, it is a cross-sectional view of the spray stator 2 and the spray rotor axis 9. It can be seen that the suction liquid flows through, as shown in the direction of the arrow in Figure 7. The liquid sucked by the negative pressure passes through the spray rotor axis 9 The liquid suction pipe in the center comes out, flows out to both sides of the channel through the connecting channel, is collected together through the liquid suction collection chamber (that is, the third chamber), and flows from the liquid suction joint 24 to the external equipment to complete the recovery of the accumulated fluid. process.

It can be understood that the function of condensation and recovery of spray water droplets can be realized through the liquid recovery tray and liquid suction pipe, so as to avoid the local fog condensation water droplets from dripping to form wet clusters during the resurgence of flue-cured tobacco, causing damage to the flue-cured tobacco.

Optionally, Figure 10 is a schematic diagram of the liquid collection tray of the spray device provided by the present invention. The liquid collection tray includes: a circular filter grid 602, a threaded pipe 603 and a tapered recovery disk body 601;

The opening of the recovery plate 601 faces the spray rotor actuator, and the opening of the recovery plate 601 is larger than the outer contour of the spray rotor actuator;

The first end of the threaded pipe 603 is threadedly connected to the liquid suction pipe;

The threaded pipe 603 passes through the center of the filter grille 602 and is welded and fixed to the filter grille 602. The outer edge of the filter grille 602 is welded and fixed to the inner wall of the recovery pan 601. The second end of the threaded pipe 603 is welded to the bottom end of the recovery pan. Maintain the second preset distance.

It can be understood that, as shown in Figure 3, the diameter of the liquid recovery plate 6 is larger than the outer contour of the upper spray rotor actuator, which facilitates the recovery and dripping of condensate and avoids dripping to the outside of the recovery plate.

It can be understood that, as shown in Figure 10, the filter grid 602 can filter the fallen debris to avoid blocking the liquid suction pipe; by providing the threaded pipe 603, it is ensured that the liquid suction pipe is fixedly connected to the spray rotor shaft core 9 At the same time, the condensate is absorbed and recovered.

Optionally, the second end of the threaded tube 603 can be configured as a liquid suction tip, and the liquid suction tip maintains a second preset distance from the bottom end of the recovery tray. The second preset distance can be the thickness of one liquid film. , to ensure that the condensation liquid in the recovery tray 601 can be sucked away relatively cleanly.

Optionally, as shown in Figure 10, the recovery pan is provided with an inwardly rolled flange outer edge.

It can be understood that by arranging an inwardly rolled outer edge of the flange on the recovery plate, water can be prevented from being thrown out due to centrifugal motion during the rotation of the spray device.

Optionally, the first end of the threaded tube 603 is provided with a threaded thread opposite to the rotation direction of the spray rotor actuator.

It can be understood that since the first end of the threaded pipe is provided with a threaded thread opposite to the rotation direction of the spray rotor actuator, when the spray rotor actuator rotates, the threaded connection there can become tighter and tighter without falling off.

Optionally, as shown in Figures 1-4, the spray stator assembly also includes an electrostatic probe 10. The electrostatic probe 10 is arranged on the side of the spray stator 2 opposite to the water supply connector. The electrostatic probe 10 passes through the side of the spray stator 2. The wall extends into the second chamber.

Optionally, as shown in Figure 4, in order to ensure the sealing performance of the spray device, a probe sealant pad 20 can be provided.

It can be understood that, as shown in Figure 9, the electrostatic probe probes into the liquid shunt chamber, which can be connected to an external electrostatic generating device to release a sufficient amount of electrostatic charge into the liquid. It is easier for the atomized droplets to carry electrostatic charges. It is absorbed by the flue-cured tobacco, speeding up the moisture regain efficiency and the effectiveness of the mist moisture regain.

Optionally, a ventilation pipe is provided in the electrostatic probe for introducing ozone into the second chamber.

It can be understood that the ozone disinfection gas is injected into the effusion cavity (i.e. the second chamber), causing the ozone to merge with the liquid inside the effusion cavity, and then passes through the channel and finally sprays out the mist carrying ozone. During the spraying process disinfect bacteria in the air.

Optionally, as shown in Figure 4, a filter 14 is provided in the water supply joint.

It can be understood that by arranging the filter screen 14 in the water supply joint, debris in the water flow can be prevented from entering the water inlet pipe, and debris can be prevented from blocking the water inlet pipe.

Optionally, as shown in Figures 1-4, the spray device also includes: a fixed base 1. The first end of the fixed base 1 is provided with a fixed surface and is fixedly connected to an external mechanism through the first fixing hole on the fixed surface;

The second end of the fixed seat 1 is provided with a fixed cover, and a second fixing hole is provided on the extension of the opening of the fixed cover for fixed connection with the first end of the spray stator.

It can be understood that the fixing base 1 can fix the spray device on the roof of a rehumidification house that requires rehumidification and humidification or on equipment and facilities available for installation.

Optionally, as shown in Figure 4, the first fixing hole is provided on the uppermost side of the fixing base (that is, the first end of the fixing base 1), and can be threaded or bolted with external equipment; the lower side of the second fixing hole is connected with the sprayer. The fixed hole of the stator 2 is threaded to firmly connect the structure of the spray device; the fixed cover not only functions as a connection, but also seals and fixes the spray device.

The spray device provided by the invention realizes gas-liquid splitting through the air inlet pipe and the liquid inlet pipe in the spray rotor shaft core. The water flow can enter the liquid inlet pipe through the water supply joint and then be sprayed out through the atomizing nozzle. The air flow can enter through the air inlet joint. The air inlet pipe then sprays out through the spray joint. While spraying, the device spray is used to disturb the mist. At the same time, the sprayed gas is used to form a reaction force to push the spray rotor shaft. The core rotates around the central axis of the spray stator, thereby driving the atomizing nozzle to rotate and spray, speeding up the diffusion speed of the mist, expanding the diffusion area of the mist, thereby optimizing the effect and efficiency of the spray resurgence, and on the premise of completing the above functions, reducing one Rotary power output source.

Claims

A spray device, characterized in that it includes: a spray stator assembly and a spray rotor actuator. The spray stator assembly includes a cylindrical spray stator, an air inlet joint and a water supply joint. The spray rotor actuator includes a spray rotor. The shaft core, the lower cavity of the spray rotor, the atomizing nozzle and the right-angled jet joint;

The first end of the spray stator is fixedly connected to an external mechanism;

The second end of the spray stator is provided with an opening, and the spray rotor axis is sleeved in the spray stator through the opening at the second end of the spray stator and can rotate around the central axis of the spray stator;

The spray rotor axis is provided with a radial extension at the second end of the spray stator, and the lower cavity of the spray rotor is fixed on the extension; the side of the lower cavity of the spray rotor is fixed with the mist chemical nozzle and the jet joint;

An air inlet joint and a water supply joint are provided on the side of the spray stator. The air inlet joint is connected to the air jet joint through an air inlet pipe in the spray rotor axis. The water supply joint passes through the spray rotor axis. The liquid inlet pipe inside is connected to the atomizing nozzle.
The spray device according to claim 1, characterized in that: the number of the atomizing nozzles is two, and the two atomizing nozzles are arranged oppositely on the side of the lower chamber of the spray rotor, and the number of the air jet joints is: Two, two jet joints are arranged oppositely on the side of the lower chamber of the spray rotor;

The first height of the air inlet joint in the axial direction is different from the second height of the water supply joint in the axial direction; the inner wall of the spray stator is provided with a third height at the first height and a second height respectively. An annular groove and a second annular groove, the first annular groove and the side wall of the spray rotor axis form a first chamber, the second annular groove and the side wall of the spray rotor axis The walls form a second chamber;

There are two air inlet ducts symmetrically distributed on both sides of the central axis in the axis core of the spray rotor. The air inlet ducts extend radially at the first height and are connected with the first chamber; There are two liquid inlet pipes symmetrically distributed on both sides of the central axis in the core of the spray rotor. The liquid inlet pipes extend radially at the second height and are connected with the second chamber;

The air inlet pipe extends axially into the lower cavity of the spray rotor and communicates with the jet joint; the liquid inlet pipe extends axially into the lower cavity of the spray rotor and communicates with the atomizing nozzle.
The spray device according to claim 2, further comprising: a liquid recovery tray, the spray stator assembly further comprising a liquid suction joint arranged on the side of the spray stator, the liquid suction joint being on the shaft a third upward height that is different from said first height and said second height;

The inner wall of the spray stator is provided with a third annular groove at the third height, and the third annular groove and the side wall of the spray rotor axis form a third chamber;

The spray rotor axis is provided with a liquid suction pipe at the central axis, and the liquid suction pipe extends bidirectionally in the radial direction at the third height and is connected to the third chamber;

The liquid suction pipe extends axially through the lower chamber of the spray rotor and is fixedly connected to the liquid collection disk, and the liquid collection disk maintains a first preset distance from the lower cavity of the spray rotor.
The spray device according to claim 3, wherein the liquid recovery tray includes: a circular filter grid, a threaded pipe and a tapered recovery tray;

The opening of the recovery disk faces the spray rotor actuator, and the opening of the recovery disk is larger than the outer contour of the spray rotor actuator;

The first end of the threaded pipe is threadedly connected to the liquid suction pipe;

The threaded pipe passes through the center of the filter grille and is welded and fixed to the filter grille. The outer edge of the filter grille is welded and fixed to the inner wall of the recovery plate. The second end of the threaded pipe is welded to the filter grille. The bottom end of the recovery tray maintains a second preset distance.
The spray device according to claim 4, wherein the recovery plate is provided with an inwardly rolled flange outer edge.
The spray device according to claim 4, wherein the first end of the threaded tube is provided with a threaded thread opposite to the rotation direction of the spray rotor actuator.
The spray device according to any one of claims 2 to 6, wherein the spray stator assembly further includes an electrostatic probe, and the electrostatic probe is arranged on the side of the spray stator opposite to the water supply connector, The electrostatic probe extends into the second chamber through the side wall of the spray stator.
The spray device according to claim 7, wherein a ventilation pipe is provided in the electrostatic probe for introducing ozone into the second chamber.
The spray device according to any one of claims 1 to 6 or 8, characterized in that a filter net is provided in the water supply joint.
The spray device according to any one of claims 1 to 6 or 8, further comprising: a fixed seat, a first end of which is provided with a fixed surface, and the fixed seat passes through The first fixing hole is fixedly connected to the external mechanism;

A fixed cover is provided at the second end of the fixed seat, and a second fixing hole is provided on the opening of the fixed cover and is fixedly connected to the first end of the spray stator.