An angle-adjustable lime jet pump device with circulating flushing function

Abstract

The present invention relates to the technical field of jet pumps, and in particular to an angle-adjustable lime jet pump device with a circulation flushing function, which can adjust the spray angle of the nozzle to achieve all-round and large-scale circulation flushing, remove the lime remaining on the inner wall of the jet pump body, have a good flushing effect, can reduce bubbles in the lime water, and improve product quality; it includes a jet pump body and a liquid inlet valve; it also includes a sleeve, a nozzle, a medium pump, a three-way valve, a circulation box, a return pipe, a return valve and a defoaming mechanism, the sleeve extends into the jet pump body, the nozzle is concentrically slidably inserted in the sleeve, an angle adjustment component is arranged between the sleeve and the nozzle, the water outlet of the medium pump is connected to the input end of the nozzle, the water inlet pipe of the medium pump is connected to the water outlet of the circulation box, a three-way valve is installed on the water inlet pipe, the water inlet of the circulation box is connected to the output end of the jet pump body through the return pipe, a return valve is arranged on the return pipe, and the defoaming mechanism is installed on the output end of the jet pump body.

Description

Technical Field

[0001] The invention relates to the technical field of jet pumps, in particular to an angle-adjustable lime jet pump device with a circulation and flushing function. Background Art

[0002] A jet pump is a device that uses a working fluid and a nozzle to create a high-speed, low-pressure jet. It primarily utilizes shearing and localized low pressure to drive the flow of the fluid, transporting it and increasing its pressure, while also providing a certain mixing effect. Jet pumps offer advantages such as a simple structure, no moving parts, easy sealing, reliable operation, and ease of maintenance. They are used in mining, agriculture, water conservancy, petrochemical energy, safety engineering, marine engineering, shipbuilding, and environmental protection. They are also used in limewater transportation.

[0003] There are many types of jet pumps in the prior art, such as a jet pump proposed in Chinese invention patent application with publication number “CN109356888A”.

[0004] Since the lime water solution will cause lime residue on the inner wall of the jet pump when conveying the jet, the jet pump needs to be flushed. Since the nozzle of the jet pump in the prior art is generally fixed and the angle cannot be adjusted, when the jet pump is flushed by spraying cleaning water from the nozzle, the flushing range is limited and the flushing effect is not good. Moreover, when the lime water solution is conveyed, a large number of bubbles will be mixed into the lime water. If these bubbles are not eliminated, they will have an adverse effect on the lime plate formed by solidification. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides an angle-adjustable lime jet pump device with a circulation flushing function, which can adjust the spray angle of the nozzle to achieve all-round and large-scale circulation flushing, remove the lime remaining on the inner wall of the jet pump body (1), have a good flushing effect, reduce bubbles in the lime water, and improve product quality.

[0006] The present invention provides an angle-adjustable lime jet pump device with a circulation flushing function, comprising a jet pump body and a liquid inlet valve, wherein the liquid inlet valve is mounted on the lime inlet pipe of the jet pump body; further comprising a sleeve, a nozzle, a medium pump, a three-way valve, a circulation box, a return pipe, a return valve and a defoaming mechanism, wherein one end of the sleeve extends into the expansion chamber of the jet pump body, the middle portion of the sleeve is slidingly and sealingly connected to the outer wall of the expansion chamber of the jet pump body, the output end of the nozzle is concentrically slidably inserted into the sleeve, the nozzle on the output end of the nozzle extends out of the sleeve and faces the output end of the jet pump body, and an angle adjustment component is provided between the sleeve and the nozzle. , the angle adjustment component drives the nozzle of the nozzle to rotate and swing up and down and left and right, the water outlet of the medium pump is connected to the input end of the nozzle, the water inlet pipe of the medium pump is connected to the water outlet of the circulation box, a three-way valve is installed on the water inlet pipe, the third port of the three-way valve is connected to the working medium system, the water inlet of the circulation box is connected to the output end of the jet pump body through the return pipe, a return valve is provided on the return pipe, and a defoaming mechanism is installed on the output end of the jet pump body, and the defoaming mechanism discharges bubbles in the lime water; when working, the three-way valve is switched to the third port, the liquid inlet valve is opened, so that the external working medium input To the medium pump, the medium pump is sprayed into the expansion chamber of the jet pump body through the nozzle of the nozzle, so that low pressure is formed in the expansion chamber, so that the lime water enters the expansion chamber of the jet pump body through the lime inlet pipe of the jet pump body, and under the drainage and driving action of the working medium, the lime water and the working medium are sprayed into the defoaming mechanism through the output pipe of the jet pump body. The defoaming mechanism discharges the bubbles in the lime water and transports it to the subsequent workstation, thereby improving the quality of the solidified lime board. When the inner wall of the jet pump body needs to be flushed, add cleaning water to the circulation box and switch the three-way valve to the medium pump and The circulation box is connected, the liquid inlet valve is closed, the return valve is opened, and the medium pump is running to pump out the cleaning water in the circulation box and spray it into the jet pump body through the nozzle of the nozzle. The angle adjustment component drives the sleeve to rotate, so that the sleeve drives the nozzle to rotate, and the nozzle slides up and down in the sleeve, thereby adjusting the pitch angle of the nozzle of the nozzle, so that the inner wall of the jet pump body of the nozzle of the nozzle is fully flushed. After the cleaning water flows to the output end of the jet pump body, it returns to the circulation box through the return pipe to realize circulating flushing, and removes the lime remaining on the inner wall of the jet pump body. The flushing effect is good and the practicality is good.

[0007] Preferably, the upper end of the sleeve blocks the side of the nozzle facing the input end of the jet pump body; through the above arrangement, the sleeve blocks the front side of the nozzle, which can reduce the impact of lime on the nozzle and improve reliability.

[0008] Preferably, it also includes a bellows and a bracket, the output end of the nozzle is connected to the nozzle of the nozzle through the bellows, the nozzle is rotatably mounted on the upper end of the bracket through a rotating shaft, and the lower end of the bracket is connected to the upper end of the sleeve; by arranging the bellows, the output end of the nozzle and the nozzle of the nozzle are elastically connected, so that when the nozzle is raised and lowered along the sleeve, the nozzle of the nozzle can swing up and down, realizing the pitch angle adjustment function.

[0009] Preferably, the angle adjustment assembly includes a rotating part and a lifting part, and the rotating part includes an outer ring gear, a motor and a gear, the outer ring gear is concentrically mounted on the outer wall of the lower end of the sleeve, the motor is mounted on the jet pump body through a bracket, the output shaft of the motor is concentrically mounted with a gear, the axial length of the gear is greater than the axial length of the outer ring gear, and the gear and the outer ring gear are engaged for transmission; when the inner wall of the jet pump body is circulated and flushed, the motor drives the gear to rotate, the gear engages and drives the outer ring gear to rotate, the outer ring gear drives the sleeve to rotate, and the sleeve drives the nozzle to rotate, thereby causing the nozzle of the nozzle to rotate, and the outer ring gear and the gear can remain engaged when the nozzle is raised or lowered.

[0010] Preferably, the lifting component includes an upper bearing, a lower bearing and a push rod, the inner ring of the upper bearing is concentrically sleeved on the outer wall of the lower end of the sleeve, the inner ring of the lower bearing is concentrically sleeved on the outer wall of the lower end of the nozzle, the outer ring of the lower bearing is connected to the jet pump body through, and the two ends of the push rod are respectively connected to the outer ring of the upper bearing and the outer ring of the lower bearing; when the inner wall of the jet pump body is circulated and flushed, the push rod is extended or shortened, so that the upper bearing is lifted and lowered, and the upper bearing drives the sleeve to be lifted and lowered, and the nozzle remains stable under the support of the lower bearing and the bracket, thereby causing the nozzle and the sleeve to undergo relative lifting displacement, so that the bracket drives the nozzle of the nozzle to pitch up and down, realizing the pitch angle adjustment function, and the upper bearing and the lower bearing provide rotational support for the sleeve and the nozzle, so that the push rod and the bracket remain stable.

[0011] Preferably, a sliding sleeve seal is further included. A sliding sleeve seal is provided between the sleeve and the outer wall of the expansion chamber of the jet pump body, and a wear-resistant sealing ring is provided in the sliding sleeve seal. By providing the sliding sleeve seal, the sleeve can rotate in a sealed manner, thereby improving the sealing performance.

[0012] Preferably, a second wear-resistant seal is provided between the sleeve and the nozzle; by providing the second wear-resistant seal between the sleeve and the nozzle, the sealing between the sleeve and the nozzle is improved, and the sleeve and the nozzle can slide up and down relative to each other.

[0013] Preferably, the defoaming mechanism includes a connecting pipe, a defoaming box, a liquid outlet pipe and an exhaust pipe, the input end of the connecting pipe is connected to the output end of the jet pump body, the output end of the connecting pipe is connected to the upper interface of the defoaming box, the liquid outlet pipe is arranged at the lower part of the defoaming box, the exhaust pipe is installed at the upper part of the defoaming box, and the exhaust pipe and the liquid outlet pipe are connected to the interior of the defoaming box; the lime water is input into the defoaming box through the jet pump body and the connecting pipe, the flow rate of the lime water is slowed down, so that bubbles are precipitated, the bubbles in the lime water gather at the upper part of the defoaming box and are discharged through the exhaust pipe, and the lime water is input to the next workstation through the liquid outlet pipe, the structure is simple, and the quality of the condensed lime board is improved.

[0014] Preferably, it also includes a low-level sensor, a high-level sensor and a solenoid valve. The low-level sensor and the high-level sensor are both installed on the side wall of the defoaming box, the high-level sensor is located above the low-level sensor, and the low-level sensor is located above the liquid outlet pipe. The solenoid valve is installed on the exhaust pipe, and the solenoid valve is electrically connected to the low-level sensor and the high-level sensor; the low-level sensor and the high-level sensor detect the lime liquid level in the defoaming box. When the lime liquid level contacts the low-level sensor, the solenoid valve opens, so that the air above the defoaming box is discharged through the exhaust pipe. When the lime liquid level contacts the high-level sensor, the solenoid valve closes, realizing automatic exhaust in the defoaming box, which is practical.

[0015] Preferably, two flanges are also included, and flanges are provided at the output end of the jet pump body and the input end of the connecting pipe, and the two flanges are fastened together by multiple bolts; by providing two flanges, it is convenient to connect and disassemble the jet pump body and the connecting pipe, the structure is simple, and the technology is mature.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: when working, the three-way valve is switched to the third port, the liquid inlet valve is opened, so that the external working medium is input into the medium pump, and the medium pump is sprayed into the expansion chamber of the jet pump body through the nozzle of the nozzle, so that low pressure is formed in the expansion chamber, so that the lime water enters the expansion chamber of the jet pump body through the lime inlet pipe of the jet pump body, and under the drainage and driving action of the working medium, the lime water and the working medium are sprayed into the defoaming mechanism through the output pipe of the jet pump body, and the defoaming mechanism discharges the bubbles in the lime water and transports it to the subsequent workstation, thereby improving the quality of the solidified lime board. When it is necessary to flush the inner wall of the jet pump body When cleaning, add cleaning water to the circulation box, switch the three-way valve to connect the medium pump to the circulation box, close the liquid inlet valve, open the return valve, and run the medium pump to extract the cleaning water in the circulation box and spray it into the jet pump body through the nozzle of the nozzle. The angle adjustment component drives the sleeve to rotate, so that the sleeve drives the nozzle to rotate, and the nozzle slides up and down in the sleeve, thereby adjusting the pitch angle of the nozzle of the nozzle, so that the inner wall of the jet pump body of the nozzle of the nozzle is fully flushed. After the cleaning water flows to the output end of the jet pump body, it returns to the circulation box through the return pipe to realize circular flushing, and removes the lime remaining on the inner wall of the jet pump body. The flushing effect is good and the practicality is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a schematic side sectional view of the present invention;

[0019] Figure 3 It is an axonometric structural diagram of the present invention;

[0020] Figure 4 It is a schematic diagram of the axonometric structure of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the circulating flushing system of the present invention;

[0022] Figure 6 It is a schematic diagram of the local enlarged structure at A;

[0023] Figure 7 It is a structural diagram of the rotating parts;

[0024] Figure 8 It is a structural diagram of the lifting component;

[0025] Figure 9 1. It is a structural diagram of the angle adjustment component;

[0026] Figure 10 It is a structural diagram of the defoaming mechanism;

[0027] Markings in the accompanying drawings: 1. Jet pump body; 2. Liquid inlet valve; 3. Casing; 4. Nozzle; 5. Medium pump; 6. Three-way valve; 7. Circulation box; 8. Return pipe; 9. Return valve; 10. Bellows; 11. Bracket; 12. Outer ring gear; 13. Motor; 14. Gear; 15. Upper bearing; 16. Lower bearing; 17. Push rod; 18. Sleeve seal; 19. Connecting pipe; 20. Defoaming box; 21. Liquid outlet pipe; 22. Exhaust pipe; 23. Low-level sensor; 24. High-level sensor; 25. Solenoid valve; 26. Flange. DETAILED DESCRIPTION

[0028] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0029] Example 1

[0030] like Figures 1 to 4As shown, an angle-adjustable lime jet pump device with a circulation flushing function includes a jet pump body 1 and a liquid inlet valve 2, which is installed on the lime inlet pipe of the jet pump body 1; it also includes a sleeve 3, a nozzle 4, a medium pump 5, a three-way valve 6, a circulation box 7, a return pipe 8, a return valve 9 and a defoaming mechanism. One end of the sleeve 3 extends into the expansion chamber of the jet pump body 1, the middle part of the sleeve 3 is slidingly and sealingly connected to the outer wall of the expansion chamber of the jet pump body 1, the output end of the nozzle 4 is concentrically slidably inserted in the sleeve 3, the nozzle on the output end of the nozzle 4 extends out of the sleeve 3 and faces the output end of the jet pump body 1, and a nozzle is provided between the sleeve 3 and the nozzle 4. Angle adjustment component, the angle adjustment component drives the nozzle of the nozzle 4 to rotate and swing up and down and left and right. The water outlet of the medium pump 5 is connected to the input end of the nozzle 4, and the water inlet pipe of the medium pump 5 is connected to the water outlet of the circulation box 7. A three-way valve 6 is installed on the water inlet pipe. The third port of the three-way valve 6 is connected to the working medium system. The water inlet of the circulation box 7 is connected to the output end of the jet pump body 1 through the return pipe 8. A return valve 9 is provided on the return pipe 8. The defoaming mechanism is installed on the output end of the jet pump body 1. The defoaming mechanism discharges bubbles in the lime water; the upper end of the sleeve 3 blocks the nozzle 4 toward the side of the input end of the jet pump body 1.

[0031] During operation, the three-way valve 6 is switched to the third port, and the liquid inlet valve 2 is opened, so that the external working medium is input into the medium pump 5, and the medium pump 5 is sprayed into the expansion chamber of the jet pump body 1 through the nozzle of the nozzle 4, so that a low pressure is formed in the expansion chamber, so that the lime water enters the expansion chamber of the jet pump body 1 through the lime inlet pipe of the jet pump body 1, and the sleeve 3 blocks the front side of the nozzle 4, which can reduce the impact of the lime on the nozzle 4, and under the drainage and driving action of the working medium, the lime water and the working medium are sprayed into the defoaming mechanism through the output pipe of the jet pump body 1. The defoaming mechanism discharges the bubbles in the lime water and transports it to the subsequent workstation, thereby improving the quality of the solidified lime board. When the inner wall of the jet pump body 1 needs to be flushed During washing, add cleaning water to the circulation box 7, switch the three-way valve 6 to the medium pump 5 to connect with the circulation box 7, close the liquid inlet valve 2, open the return valve 9, and run the medium pump 5 to extract the cleaning water in the circulation box 7 and spray it into the jet pump body 1 through the nozzle of the nozzle 4. The angle adjustment component drives the sleeve 3 to rotate, so that the sleeve 3 drives the nozzle 4 to rotate, and the nozzle 4 slides up and down in the sleeve 3, thereby adjusting the pitch angle of the nozzle of the nozzle 4, so that the inner wall of the jet pump body 1 of the nozzle of the nozzle 4 is fully flushed. After the cleaning water flows to the output end of the jet pump body 1, it returns to the circulation box 7 through the return pipe 8 to realize circular flushing, and removes the residual lime on the inner wall of the jet pump body 1, with a good flushing effect.

[0032] Example 2

[0033] like Figures 5 to 9As shown, on the basis of embodiment 1, it also includes a bellows 10 and a bracket 11, the output end of the nozzle 4 is connected to the nozzle of the nozzle 4 through the bellows 10, the nozzle 4 is rotatably mounted on the upper end of the bracket 11 through a rotating shaft, and the lower end of the bracket 11 is connected to the upper end of the sleeve 3; the angle adjustment assembly includes a rotating part and a lifting part, the rotating part includes an outer ring gear 12, a motor 13 and a gear 14, the outer ring gear 12 is concentrically mounted on the outer wall of the lower end of the sleeve 3, the motor 13 is mounted on the jet pump body 1 through a bracket, the output shaft of the motor 13 is concentrically mounted with the gear 14, and the axial length of the gear 14 is greater than the axial length of the outer ring gear 12. The gear 14 is meshed with the outer gear ring 12 for transmission; the lifting component includes an upper bearing 15, a lower bearing 16 and a push rod 17. The inner ring of the upper bearing 15 is concentrically sleeved on the outer wall of the lower end of the sleeve 3, and the inner ring of the lower bearing 16 is concentrically sleeved on the outer wall of the lower end of the nozzle 4. The outer ring of the lower bearing 16 is connected to the jet pump body 1 through, and the two ends of the push rod 17 are respectively connected to the outer ring of the upper bearing 15 and the outer ring of the lower bearing 16; it also includes a sliding sleeve seal 18, which is arranged between the sleeve 3 and the outer wall of the expansion chamber of the jet pump body 1, and the sliding sleeve seal 18 is provided with a wear-resistant sealing ring; a wear-resistant seal 2 is provided between the sleeve 3 and the nozzle 4.

[0034] The bellows 10 makes the output end of the nozzle 4 and the nozzle of the nozzle 4 elastically connected. When the inner wall of the jet pump body 1 is circulated and flushed, the motor 13 drives the gear 14 to rotate, the gear 14 engages and drives the outer ring gear 12 to rotate, the outer ring gear 12 drives the sleeve 3 to rotate, and the sleeve 3 drives the nozzle 4 to rotate, so that the nozzle of the nozzle 4 rotates. When the nozzle 4 rises and falls, the outer ring gear 12 and the gear 14 can remain engaged. When the inner wall of the jet pump body 1 is circulated and flushed, the push rod 17 extends or shortens, so that the upper bearing 15 rises and falls, and the upper bearing 15 drives the sleeve 3 to rise and fall, and The nozzle 4 remains stable under the support of the lower bearing 16 and the bracket, so that when the nozzle 4 is raised and lowered along the sleeve 3, the bracket 11 drives the nozzle head of the nozzle 4 to swing up and down, realizing the pitch angle adjustment function. The upper bearing 15 and the lower bearing 16 provide rotational support for the sleeve 3 and the nozzle 4, so that the push rod 17 and the bracket remain stable. By providing a sliding sleeve seal 18, the sleeve 3 can be sealed and rotated. By providing a wear-resistant seal 2 between the sleeve 3 and the nozzle 4, the sealing between the sleeve 3 and the nozzle 4 is improved, and the sleeve 3 and the nozzle 4 can slide up and down relative to each other.

[0035] Example 3

[0036] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown in the bellows 10, on the basis of Example 1 and Example 2, the defoaming mechanism includes a connecting pipe 19, a defoaming box 20, a liquid outlet pipe 21 and an exhaust pipe 22. The input end of the connecting pipe 19 is connected to the output end of the jet pump body 1, and the output end of the connecting pipe 19 is connected to the upper interface of the defoaming box 20. The liquid outlet pipe 21 is provided at the lower part of the defoaming box 20, and the exhaust pipe 22 is installed at the upper part of the defoaming box 20. The exhaust pipe 22 and the liquid outlet pipe 21 are connected to the interior of the defoaming box 20; it also includes a low-level sensor 23 and a high-level sensor The jet pump body 1 and the connecting pipe 19 are both provided with flanges 26, and the two flanges 26 are fastened together by a plurality of bolts.

[0037] The two flanges 26 facilitate connection and disassembly of the jet pump body 1 and the connecting pipe 19. The lime water is input into the defoaming box 20 through the jet pump body 1 and the connecting pipe 19. The flow rate of the lime water is slowed down, so that bubbles are precipitated. The bubbles in the lime water gather in the upper part of the defoaming box 20. The low-level sensor 23 and the high-level sensor 24 detect the lime liquid level in the defoaming box 20. When the lime liquid level contacts the low-level sensor 23, the solenoid valve 25 opens, so that the air above the defoaming box 20 is discharged through the exhaust pipe 22. When the lime liquid level contacts the high-level sensor 24, the solenoid valve 25 closes, realizing automatic exhaust in the defoaming box 20, and the lime water is input to the next station through the liquid outlet pipe 21. The structure is simple, the quality of the condensed lime board is improved, and the practicability is good.

[0038] like Figures 1 to 10As shown, the angle-adjustable lime jet pump device with a circulation flushing function of the present invention is in operation. First, when working, the three-way valve 6 is switched to the third port, the liquid inlet valve 2 is opened, so that the external working medium is input into the medium pump 5, and the medium pump 5 is sprayed into the expansion chamber of the jet pump body 1 through the nozzle of the nozzle 4, so that a low pressure is formed in the expansion chamber, so that the lime water enters the expansion chamber of the jet pump body 1 through the lime inlet pipe of the jet pump body 1, and under the drainage and driving action of the working medium, the lime water and the working medium are then passed through the expansion chamber of the jet pump body 1. The output pipe of the jet pump body 1 sprays into the connecting pipe 19 and the defoaming box 20, and the flow rate of the lime water slows down, so that the bubbles are precipitated. The bubbles in the lime water gather in the upper part of the defoaming box 20. The low-level sensor 23 and the high-level sensor 24 detect the lime liquid level in the defoaming box 20. When the lime liquid level contacts the low-level sensor 23, the solenoid valve 25 opens, so that the air above the defoaming box 20 is discharged through the exhaust pipe 22. When the lime liquid level contacts the high-level sensor 24, the solenoid valve 25 closes, and the lime water is input to the next station, thereby improving the quality of the solidified lime slab. Then, when it is necessary to flush the inner wall of the jet pump body 1, add cleaning water to the circulation box 7, switch the three-way valve 6 to the medium pump 5 to connect with the circulation box 7, close the liquid inlet valve 2, open the return valve 9, and run the medium pump 5 to extract the cleaning water in the circulation box 7 and spray it into the jet pump body 1 through the nozzle of the nozzle 4. The motor 13 drives the gear 14 to rotate, the gear 14 engages to drive the outer gear ring 12 to rotate, the outer gear ring 12 drives the sleeve 3 to rotate, and the sleeve 3 drives the nozzle 4 to rotate. The nozzle 4 slides up and down in the sleeve 3, and the push rod 17 extends or shortens, causing the upper bearing 15 to rise and fall, and the upper bearing 15 drives the sleeve 3 to rise and fall, while the nozzle 4 remains stable under the support of the lower bearing 16 and the bracket, thereby causing the nozzle 4 and the sleeve 3 to undergo relative lifting displacement, so that the bracket 11 drives the nozzle head of the nozzle 4 to pitch up and down, so that the inner wall of the jet pump body 1 of the nozzle head of the nozzle 4 is fully flushed, and finally the cleaning water flows to the output end of the jet pump body 1 and returns to the circulation box 7 through the return pipe 8.

[0039] The main functions achieved by the present invention are:

[0040] 1. The spray angle of the nozzle can be adjusted to achieve all-round and large-scale flushing, and remove the lime remaining on the inner wall of the jet pump body 1;

[0041] 2. It can reduce bubbles in lime water and improve product quality;

[0042] 3. Flushing water is recycled, which is water-saving.

[0043] The angle-adjustable lime jet pump device with a circulation flushing function of the present invention has an installation method, a connection method or a setting method that are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the jet pump body 1, the liquid inlet valve 2, the nozzle 4, the medium pump 5, the three-way valve 6, the return valve 9, the bellows 10, the motor 13, the gear 14, the outer ring gear 12, the upper bearing 15, the lower bearing 16, the push rod 17, the sliding sleeve shaft seal 18, the low-position sensor 23, the solenoid valve 25, the solenoid valve 25, and the flange 26 of the angle-adjustable lime jet pump device with a circulation flushing function of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0044] All technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention pertains. The terms used in the present specification are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0045] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An angle-adjustable lime jet pump device with a circulating flushing function, comprising a jet pump body (1) and a liquid inlet valve (2), wherein the liquid inlet valve (2) is mounted on the lime inlet pipe of the jet pump body (1); characterized in that: The invention also includes a sleeve (3), a nozzle (4), a medium pump (5), a three-way valve (6), a circulation box (7), a return pipe (8), a return valve (9) and a defoaming mechanism. One end of the sleeve (3) extends into the expansion chamber of the jet pump body (1). The middle part of the sleeve (3) is slidably and sealedly connected to the outer wall of the expansion chamber of the jet pump body (1). The output end of the nozzle (4) is concentrically slidably inserted into the sleeve (3). The nozzle on the output end of the nozzle (4) extends out of the sleeve (3) and faces the output end of the jet pump body (1). An angle adjustment component is provided between the sleeve (3) and the nozzle (4). The joint assembly drives the nozzle of the nozzle (4) to rotate and swing up and down and left and right. The water outlet of the medium pump (5) is connected to the input end of the nozzle (4). The water inlet pipe of the medium pump (5) is connected to the water outlet of the circulation box (7). A three-way valve (6) is installed on the water inlet pipe. The third port of the three-way valve (6) is connected to the working medium system. The water inlet of the circulation box (7) is connected to the output end of the jet pump body (1) through a return pipe (8). A return valve (9) is provided on the return pipe (8). A defoaming mechanism is installed on the output end of the jet pump body (1). The defoaming mechanism discharges bubbles in the lime water. The invention also includes a bellows (10) and a bracket (11). The output end of the nozzle (4) is connected to the nozzle of the nozzle (4) through the bellows (10). The nozzle (4) is rotatably mounted on the upper end of the bracket (11) through a rotating shaft. The lower end of the bracket (11) is connected to the upper end of the sleeve (3).

2. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 1, characterized in that: The upper end of the sleeve (3) blocks the nozzle (4) on one side facing the input end of the jet pump body (1).

3. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 1, characterized in that: The angle adjustment assembly comprises a rotating component and a lifting component, wherein the rotating component comprises an outer gear ring (12), a motor (13) and a gear (14), wherein the outer gear ring (12) is concentrically mounted on the outer wall of the lower end of the sleeve (3), the motor (13) is mounted on the jet pump body (1) through a bracket, and the output shaft of the motor (13) is concentrically mounted with the gear (14), the axial length of the gear (14) is greater than the axial length of the outer gear ring (12), and the gear (14) and the outer gear ring (12) are meshed and transmitted.

4. The angle-adjustable lime jet pump device with a circulation flushing function as claimed in claim 3, characterized in that: The lifting component includes an upper bearing (15), a lower bearing (16) and a push rod (17). The inner ring of the upper bearing (15) is concentrically sleeved on the outer wall of the lower end of the sleeve (3), the inner ring of the lower bearing (16) is concentrically sleeved on the outer wall of the lower end of the nozzle (4), the outer ring of the lower bearing (16) is connected to the jet pump body (1) through the inner ring, and the two ends of the push rod (17) are respectively connected to the outer ring of the upper bearing (15) and the outer ring of the lower bearing (16).

5. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 1, characterized in that: It also includes a sliding sleeve shaft seal (18). The sliding sleeve shaft seal (18) is arranged between the sleeve (3) and the outer wall of the expansion chamber of the jet pump body (1). A wear-resistant sealing ring is arranged in the sliding sleeve shaft seal (18).

6. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 1, characterized in that: A second wear-resistant seal is provided between the sleeve (3) and the nozzle (4).

7. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 1, characterized in that: The defoaming mechanism comprises a connecting pipe (19), a defoaming box (20), a liquid outlet pipe (21) and an exhaust pipe (22); the input end of the connecting pipe (19) is connected to the output end of the jet pump body (1); the output end of the connecting pipe (19) is connected to the upper interface of the defoaming box (20); the liquid outlet pipe (21) is provided at the lower part of the defoaming box (20); the exhaust pipe (22) and the liquid outlet pipe (21) are connected to the interior of the defoaming box (20).

8. The angle-adjustable lime jet pump device with a circulation flushing function as claimed in claim 7, characterized in that: The invention also includes a low-level sensor (23), a high-level sensor (24) and a solenoid valve (25). The low-level sensor (23) and the high-level sensor (24) are both installed on the side wall of the defoaming box (20). The high-level sensor (24) is located above the low-level sensor (23). The low-level sensor (23) is located above the liquid outlet pipe (21). The solenoid valve (25) is installed on the exhaust pipe (22). The solenoid valve (25) is electrically connected to the low-level sensor (23) and the high-level sensor (24).

9. The angle-adjustable lime jet pump device with a circulation flushing function according to claim 7, characterized in that: It also includes two flanges (26). The output end of the jet pump body (1) and the input end of the connecting pipe (19) are both provided with flanges (26). The two flanges (26) are fastened and connected by a plurality of bolts.

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