CN115163501A - Efficient water-free starting self-suction device applied to centrifugal pump - Google Patents

Efficient water-free starting self-suction device applied to centrifugal pump Download PDF

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Publication number
CN115163501A
CN115163501A CN202210824871.XA CN202210824871A CN115163501A CN 115163501 A CN115163501 A CN 115163501A CN 202210824871 A CN202210824871 A CN 202210824871A CN 115163501 A CN115163501 A CN 115163501A
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CN
China
Prior art keywords
gas
cavity
self
stage
wall surface
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CN202210824871.XA
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Chinese (zh)
Inventor
彭光杰
徐慕远
常浩
杜佳霖
洪世明
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Jiangsu University
Zhenjiang Fluid Engineering Equipment Technology Research Institute of Jiangsu University
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Jiangsu University
Zhenjiang Fluid Engineering Equipment Technology Research Institute of Jiangsu University
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Priority to CN202210824871.XA priority Critical patent/CN115163501A/en
Publication of CN115163501A publication Critical patent/CN115163501A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Abstract

The invention discloses a high-efficiency waterless starting self-priming device applied to a centrifugal pump, which comprises a gas-liquid separation device and a self-priming device, wherein the gas-liquid separation device comprises a starting and closing cavity, an inner gas-liquid separation cavity and an outer gas-liquid separation cavity, and the self-priming device comprises a first-stage self-priming cavity, a second-stage self-priming cavity, a third-stage self-priming cavity and a liquid storage cavity. The four-phase driver is provided with a separation baffle, and rotates clockwise around the main shaft in the first-stage self-suction cavity to change the volume in the cavity, so that the gas in the gas-liquid separation device is sucked by utilizing the pressure difference, the gas is discharged from the self-suction device, and the water is continuously sucked into the gas-liquid separation device to complete the gas-liquid separation work. A communicating pipe is arranged between the gas-liquid separation device and the self-suction device, and a one-way valve is arranged on the communicating pipe, so that liquid backflow is effectively prevented. The device is arranged on the inlet pipe of the centrifugal pump, so that the centrifugal pump can be started without water, the gas-liquid separation is fully realized through the combined work of the gas-liquid separation device and the self-suction device, the working efficiency is greatly improved, the cavity is filled with water, and the next starting can directly enter the operating working condition.

Description

Efficient water-free starting self-suction device applied to centrifugal pump
Technical Field
The invention belongs to the field of self-priming devices, and particularly relates to a high-efficiency water-free starting self-priming device applied to a centrifugal pump.
Background
The centrifugal pump is widely applied to the fields of chemical production, mineral conveying, agricultural irrigation, ship industry and the like. Before the centrifugal pump is started, the cavity and the pipeline need to be filled with water, and air in the device needs to be exhausted, so that normal operation can be maintained. However, the operation is complex and time-consuming, the working efficiency of the centrifugal pump is severely restricted, and the centrifugal pump cannot enter the normal operation condition quickly when an emergency occurs. If the mode of adopting external auxiliary pump is with the gaseous exhaust in the device, not only can cause great noise, make whole unit transportation difficulty moreover, reduced holistic mobility to two supporting motors at least have increased energy resource consumption.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the high-efficiency water-free starting self-priming device applied to the centrifugal pump, the device is driven by a motor, the noise is low, the energy consumption is low, the operation is simple, and the device can rapidly complete the work of air suction, air exhaust, water filling and the like in a self structural form without filling water when being started. After the device operation, self-sealing device inlet pipeline for fill water in the pump all the time, when the centrifugal pump restarts, can directly get into normal operating condition, reduce energy loss and show and improve work efficiency.
The present invention achieves the above-described object by the following means.
A high-efficiency water-free starting self-priming device applied to a centrifugal pump comprises a gas-liquid separation device and a self-priming device, wherein two ends of a communication pipe are respectively connected with an outer gas-liquid separation cavity of the gas-liquid separation device and a three-stage self-priming cavity of the self-priming device, a one-way valve is arranged inside the communication pipe, the gas-liquid separation device is sequentially provided with an outer gas-liquid separation cavity, an inner gas-liquid separation cavity and an opening and closing cavity from outside to inside, the outer gas-liquid separation cavity is formed between the wall surface of the outer gas-liquid separation cavity and the wall surface of the inner gas-liquid separation cavity, the inner gas-liquid separation cavity is formed between the wall surface of the inner gas-liquid separation cavity and the wall surface of the opening and closing cavity, the opening and closing cavity is formed inside the wall surface of the opening and closing cavity, the upper part of the outer gas-liquid separation cavity is communicated with the communication pipe, a water inlet device is arranged below the gas-liquid separation device, and the gas-liquid separation process is realized through the action of various gas-liquid separation devices inside the gas-liquid separation device;
from inhaling the device by from outer to interior stock solution chamber, tertiary from inhaling the chamber, the second grade is from inhaling the chamber and the one-level is from inhaling the chamber, the stock solution chamber is by stock solution chamber wall and tertiary form from inhaling between the chamber wall, tertiary from inhaling the chamber by tertiary from inhaling the chamber wall and the second grade is from inhaling and form between the chamber wall, the second grade is from inhaling the chamber by the second grade from inhaling the chamber wall and the one-level is from inhaling and forming between the chamber wall, the one-level is from inhaling the chamber by the one-level from inhaling the inside formation of chamber wall. The upper part of the liquid storage cavity is provided with an exhaust chamber of the device, the right side of the three-stage self-suction cavity is communicated with the communicating pipe, and the self-suction device realizes the self-suction process by causing the pressure change inside the self-suction cavity of each stage;
the communicating pipe is a cylindrical surface bent pipe, is formed by the inside of the wall surface of the communicating pipe, and is provided with 3 same bends in total, the bend ratio is 1.5 times of pipe diameter, and the bend angle of the bent pipe is 90 degrees.
The gas-liquid separation device is sequentially provided with an outer gas-liquid separation cavity wall surface, a spiral separation device, a primary gas-liquid separator, a gas-liquid separation chamber, a water inlet device, an inner gas-liquid separation cavity wall surface, a front stage moisture absorption pad, an exhaust port, an opening and closing cavity wall surface and an opening and closing device from outside to inside;
two spiral separation devices are symmetrically arranged about the central line of the gas-liquid separation device, each spiral separation device is provided with a device fixer, a secondary lever, an upper-stage spiral separator and a lower-stage spiral separator, the device fixer is installed on the inner side of the wall surface of the outer gas-liquid separation cavity, the top end of the secondary lever is fixed by the device fixer, the bottom end of the secondary lever is connected with the upper-stage spiral separator, and the bottom of the upper-stage spiral separator is fixedly connected with the top of the lower-stage spiral separator;
the device comprises a first-stage gas-liquid separator, a second-stage blade, a lower fixer, a device inlet, a first-stage gas-liquid separator liquid discharge pipe, a triangular support, a cylindrical fixer, a first-stage gas-liquid separator chamber wall and a first-stage gas-liquid separator exhaust pipe, wherein the upper fixer is connected with the outer gas-liquid separation chamber wall and the first-stage gas-liquid separator chamber wall;
the two gas-liquid separation chambers are symmetrically arranged around the central line of the gas-liquid separation device, each gas-liquid separation chamber is provided with a spiral separator, a gas-liquid separation chamber fixer, a blade fixer and a first-stage blade, the wall surfaces of the gas-liquid separation chamber and the outer gas-liquid separation chamber are connected with the wall surface of the inner gas-liquid separation chamber, the spiral separator, the blade fixer and the first-stage blade are arranged in the gas-liquid separation chamber fixer, the two blade fixers are symmetrically arranged around the central line of the spiral separator, and the first-stage blade is arranged at the blade fixer;
the water inlet device is arranged at the bottom of the gas-liquid separation device and is provided with a water inlet channel, a lower part of the water inlet device, a check valve and an upper part of the water inlet device, the upper part of the water inlet device is fixed on the outer side of the wall surface of the inner gas-liquid separation cavity, the lower part of the water inlet device is fixed on the inner side of the wall surface of the outer gas-liquid separation cavity, and the check valve is symmetrically arranged about the central line of the gas-liquid separation device and is respectively arranged on the water inlet channels at two sides;
the front stage moisture absorption pad is horizontally arranged in the inner gas-liquid separation cavity, is connected with the wall surface of the inner gas-liquid separation cavity and the wall surface of the opening and closing cavity, and contains moisture absorption cotton made of cotton materials;
the two discharge ports are arranged on the inner side of the wall surface of the inner gas-liquid separation cavity and symmetrically arranged about the central line of the gas-liquid separation device, are in a diffusion shape and are arranged at the lower part of the spiral separation device and serve as outlets of the inner gas-liquid separation cavity;
the opening and closing device is internally provided with a preceding stage spring fixer, a preceding stage connecting spring, a rectangular plate, a first-stage lever, a water baffle and a magnet, the preceding stage spring fixer is installed on the inner side of the wall surface of the inner gas-liquid separation cavity and fixes the preceding stage connecting spring, the upper part of the preceding stage connecting spring is positioned in the inner gas-liquid separation cavity, the lower part of the preceding stage connecting spring is connected with the rectangular plate through an opening and closing cavity inlet, the two ends of the rectangular plate are provided with the magnet which is positioned in the opening and closing cavity and connected with the top end of the first-stage lever, the first-stage lever penetrates through the wall surface of the opening and closing cavity, the wall surface of the inner gas-liquid separation cavity and the upper part of the water inlet device, and the bottom end of the first-stage spring is connected with the water baffle;
the opening and closing cavity is internally provided with a rotatable single-pole magnet, the single-pole magnet is installed in the circular cavity and fixed by a shaft, the shaft is externally connected with a rotary controller, and the single-pole magnet consists of a magnet block and a non-magnet block.
Furthermore, the installation angle of the spiral separation device and the horizontal plane form a 60 degree angle, the upper-stage spiral separator and the lower-stage spiral separator are both cylindrical, the radius ratio of the two is 2; the contact area of the water baffle and the inlet of the water inlet channel is equal.
Furthermore, the preceding stage connecting spring is made of graphene materials, the first-stage blade, the second-stage blade, the spiral separator, the upper-stage spiral separator and the lower-stage spiral separator are made of aluminum alloy materials, the first-stage gas-liquid separator liquid discharge pipe, the first-stage gas-liquid separator exhaust pipe, the rectangular plate and the water baffle are all integrally formed by cast iron, and the check valve is formed by processing rubber materials.
Communicating pipe is equipped with the check valve, the check valve is installed on the elbow of communicating pipe nearest apart from the self-priming device, it is equipped with left fixer, the check valve top, the check valve runner, a spring, spring fixer and check valve bottom, right fixer and check valve entry, left fixer and right fixer are installed at communicating pipe wall inboard, check valve top bottom and check valve bottom top form the check valve runner, the spring fixer is installed at communicating pipe wall inboard, the spring fixer is fixed with the spring, the check valve top is connected to the spring top.
Furthermore, the ratio of the width of the flow passage of the one-way valve to the diameter of the communicating pipe is 6, and the ratio of the width of the inlet of the one-way valve to the diameter of the communicating pipe is 3; the spring adopts graphite alkene material, and the check valve top is rubber materials machine-shaping, and left fixer and right fixer are cast iron integrated into one piece.
The self-suction device is provided with a device exhaust chamber, a liquid storage cavity wall surface, a secondary gas-liquid separator, a rear-stage moisture absorption pad, a three-stage self-suction cavity wall surface, an exhaust pipe, a secondary self-suction cavity wall surface, an air inlet pipe, a one-way exhaust device, a primary self-suction cavity wall surface and a driving device from outside to inside;
the device exhaust chamber is arranged at the top end of the wall surface of the liquid storage cavity of the self-priming device and is provided with a cylindrical air suction chamber, air suction holes, an air storage chamber, exhaust channels and exhaust ports, the bottom of the cylindrical air suction chamber is communicated with the liquid storage cavity, the number of the cylindrical air suction chamber is 5, the cylindrical air suction chamber is uniformly distributed on the bottom surface of the device exhaust chamber, the bottom end of each exhaust channel is communicated with the air storage chamber, the top end of each exhaust channel is provided with the exhaust port, and the exhaust ports are communicated with the atmosphere in a one-way mode;
the secondary gas-liquid separators are uniformly distributed along the wall surface of the three-stage self-suction cavity and are provided with 4, each secondary gas-liquid separator is provided with a secondary gas-liquid separator drain hole, a moisture absorption pad, a secondary gas-liquid separator cavity wall surface and a secondary gas-liquid separator exhaust pipe, the secondary gas-liquid separator cavity wall surface is connected with the wall surface of the three-stage self-suction cavity, the secondary gas-liquid separator cavity is communicated with the secondary self-suction cavity through an air inlet pipe, the moisture absorption pad is arranged in the secondary gas-liquid separator cavity and is connected with the inner side of the secondary gas-liquid separator cavity wall surface, the secondary gas-liquid separator drain holes and the secondary gas-liquid separator exhaust pipes are respectively used as liquid and gas outlets, and the two are both communicated with the liquid storage cavity;
two rear-stage moisture absorption pads are symmetrically arranged about the central line of the self-absorption device, are horizontally arranged in the liquid storage cavity, are connected with the wall surface of the liquid storage cavity and the wall surface of the third-stage self-absorption cavity, and contain moisture absorption cotton made of cotton materials inside;
the exhaust pipes run through the wall surface of the three-stage self-suction cavity and the wall surface of the second-stage self-suction cavity, are uniformly distributed along the wall surface of the three-stage self-suction cavity and the wall surface of the second-stage self-suction cavity, and are 4 in number, the top ends of the exhaust pipes are communicated with the cavity of the second-stage gas-liquid separator, and the bottom ends of the exhaust pipes are communicated with the discharge cavity of the first-stage self-suction cavity;
the air inlet pipe penetrates through the wall surface of the second-stage self-suction cavity and the wall surface of the first-stage self-suction cavity, 4 air inlet pipes are uniformly distributed along the wall surface of the second-stage self-suction cavity and the wall surface of the first-stage self-suction cavity, the top ends of the air inlet pipes are communicated with the third-stage self-suction cavity, and the bottom ends of the air inlet pipes are communicated with the suction cavity of the first-stage self-suction cavity;
the driving device is arranged in the first-stage self-suction cavity and is provided with a piston, separating baffles, a main shaft and a four-phase driver, the main shaft is connected with the four-phase driver, the main shaft is externally connected with a motor for driving and rotates clockwise, the four-phase driver is provided with 4 separating baffles which are uniformly distributed along the main shaft, the bottom end of the four-phase driver is tightly attached to the top end of the four-phase driver, the top end of each separating baffle is provided with the piston, and the top end of the piston is tightly attached to the inner side of the inner surface of the first-stage self-suction cavity;
the one-way exhaust device is arranged in the second-stage self-suction cavity and fixed on the outer side of the wall surface of the first-stage self-suction cavity, the number of the one-way exhaust devices is 4, each one-way exhaust device is provided with a check valve, a cavity separation plate, a one-way exhaust channel, a rear-stage connecting spring and a rear-stage spring fixer, the inlet of each one-way exhaust device is communicated with the discharge cavity of the first-stage self-suction cavity, the check valve is installed at the outlet of the one-way exhaust channel, the rear-stage spring fixer is installed on the inner side of the wall surface of the one-way exhaust device, the rear-stage connecting spring is fixed by the rear-stage spring fixer, and the cavity separation plate is connected below the rear-stage connecting spring.
Furthermore, the installation angle of the secondary gas-liquid separator positioned at the rightmost side of the self-suction device forms 22.5 degrees with the horizontal plane; the installation angle of the exhaust pipe positioned at the rightmost side of the self-priming device forms an angle of 22.5 degrees with the horizontal plane; when the device is not started, the included angle between the chamber separation plate and the separation baffle is 62 degrees; the length ratio of the chamber separation plate to the one-way exhaust channel is 1:1.1, and the width ratio is 1:2.5.
Furthermore, the air suction hole is positioned in the cylindrical air suction chamber, and the ratio of the radii of the air suction hole to the radii of the cylindrical air suction chamber is 1.
Furthermore, the air inlet pipe, the exhaust pipe, the secondary gas-liquid separator exhaust pipe and the four-phase driver are all integrally formed by cast iron, the separation baffle is made of stainless steel, the rear-stage connecting spring is made of graphene, and the piston, the check valve, the cavity separating plate and the cylindrical air suction chamber are all formed by processing rubber materials.
The invention has the beneficial effects that:
1. the invention adopts the driving device and the one-way exhaust device, realizes the volume adjustment of the first-stage self-suction cavity and the first-stage self-suction cavity discharge cavity through the matching of the driving device and the one-way exhaust device in the earlier stage of the operation of the device, and simultaneously, the one-way exhaust device is provided with the check valve, thereby effectively preventing the backflow of gas in the exhaust process. Each separation baffle on the four-phase driver can complete one complete air suction and exhaust process every time when rotating 90 degrees, and the air suction process and the exhaust process are synchronously performed, namely, 16 complete self-suction processes are completed in the process that four baffles rotate for one circle, so that the self-suction efficiency is greatly improved, and the self-suction time is obviously shortened. And a piston is arranged on each separating baffle, so that the separating baffles and the chamber separating plate are effectively prevented from being damaged by rotation.
2. The present invention employs various means for gas-liquid separation. In the middle operating period of the device, the gas-liquid separation device performs gas-liquid cutting under the action of the blades, the adsorption pad and the spiral separator to complete the gas-liquid separation process. The gas moves upwards to enter the communicating pipe and then enters the self-priming device through the communicating pipe, and the liquid falls back into the chamber due to gravity to perform the gas-liquid separation process again. The self-sucking device is also provided with a device for gas-liquid separation, the gas-liquid separation is further carried out, the gas moves upwards and enters the exhaust chamber of the device and then is discharged to the atmosphere, and the liquid falls back into the chamber due to gravity. Through multiple gas-liquid separation processes, the liquid phase contained in the gas phase is very little, so that the discharge capacity of the liquid phase is reduced, and the energy loss is reduced.
3. The self-priming device adopts the one-way valve structure and the opening and closing device, when liquid in the gas-liquid separation device enters the self-priming device through the communicating pipe in the later operation period of the device, the liquid backflow can be effectively limited through the one-way valve, and the damage to the device caused by a water hammer formed by the liquid backflow is prevented; through headstock gear can not only ensure effectively that liquid is full of whole cavity, closing device water installations simultaneously, the injury that the water hammer caused when can effectively reduce the shutdown, can directly get into normal operating condition when the restart, is showing and is improving work efficiency.
4. The invention adopts the structural form of the gas-liquid separation device, the self-priming device and the communicating pipe, the gas-liquid separation device and the self-priming device are connected through the communicating pipe, the volumes of the gas-liquid separation device and the self-priming device are approximately equal, and the gas-liquid separation device and the self-priming device are positioned on the same horizontal plane and vertical plane, so that the whole device arranged on the inlet pipe of the centrifugal pump is stable and firm. The curved surface of the communicating pipe is 90 degrees, thereby maximally reducing cavitation caused by gas and liquid passing through the communicating pipe. The gas-liquid separation device and the self-suction device are internally provided with a plurality of layers of cavities, so that the whole device can perform respective functions, the labor division is clear, and the operation is stable. The gas-liquid separation process is accelerated by the action of each device in the gas-liquid separation device. The gas is accelerated to be discharged through the action of each device in the self-suction device, so that the device can form vacuum in a short time, and the operation efficiency of the device is improved.
Drawings
FIG. 1 is a vertical cross-sectional view of a high efficiency water-free start self-priming device of the present invention applied to a centrifugal pump;
FIG. 2 is a schematic top view of a high efficiency, water free start self-priming apparatus of the present invention applied to a centrifugal pump;
FIG. 3 is an enlarged view of the structure of the gas-liquid separating apparatus;
FIG. 4 is an enlarged view of the spiral separation device;
FIG. 5 is an enlarged view of the first-stage gas-liquid separator;
FIG. 6 is an enlarged view of the structure of the gas-liquid separation chamber;
FIG. 7 is an enlarged view of the combined structure of the opening and closing chamber, the opening and closing device and the water inlet device;
FIG. 8 is an enlarged view of the monopole magnet structure;
FIG. 9 is an enlarged view of the check valve structure;
FIG. 10 is an enlarged view of the self-priming device;
FIG. 11 is an enlarged view of the exhaust chamber structure of the apparatus;
FIG. 12 is an enlarged view of the structure of the two-stage gas-liquid separator;
FIG. 13 is an enlarged view of the combination of the driving device and the first self-priming chamber;
fig. 14 is an enlarged view of the structure of the one-way exhaust device.
In the figure:
1-a gas-liquid separation device; 2-the outer gas-liquid separation chamber wall; 3-an outer gas-liquid separation chamber;
4-a spiral separation device; 41-device holder; 42-a secondary lever; 43-upper stage spiral separator; 44-lower stage spiral separator;
5-first-stage gas-liquid separator; 51-an upper holder; 52-first stage gas liquid separator chamber; 53-secondary blades; 54-lower anchor; 55-device inlet; 56-first stage gas-liquid separator drain pipe; 57-A-triangular support; 58-cylindrical holder; 59-the wall of the chamber of the primary gas-liquid separator; 510-first stage gas liquid separator vent pipe;
6-a gas-liquid separation chamber; 61-a spiral separator; 62-a gas-liquid separation chamber holder; 63-a blade holder; 64-first stage blades;
7-a water inlet device; 71-a water inlet channel; 72-lower part of water inlet device; 73-check valve; 74-upper part of water inlet device;
8-inner gas-liquid separation cavity wall surface; 9-inner gas-liquid separation chamber; 10-a preceding stage moisture absorption pad; 11-the wall surface of the opening and closing cavity;
12-an opening and closing cavity; 121-opening and closing the cavity inlet; 122-a monopole magnet;
1221-with magnet block; 1222-an axis; 1223-a non-magnetic block; 1224-circular chamber;
13-a discharge port;
14-a starting and stopping device; 141-front stage spring holder; 142-a front stage connection spring; 143-rectangular plate; 144-a primary lever; 145-water baffle; 146-a magnet;
15-communicating pipe; 16-wall surface of the communicating tube;
17-a one-way valve; 171-left fixation; 172-one-way valve top; 173-a one-way valve flow channel; 174-a spring; 175-a spring holder; 176-one-way valve bottom; 177-right fixation device; 178-one way valve inlet;
18-device exhaust chamber; 181-cylindrical suction chamber; 182-a suction hole; 183-air reservoir; 184-an exhaust channel; 185-an exhaust port;
19-a secondary gas-liquid separator; 191-a secondary gas-liquid separator drain hole; 192-a moisture-absorbing pad; 193-a secondary gas-liquid separator chamber; 194-a second stage gas-liquid separator chamber wall; 195-a secondary gas-liquid separator vent pipe;
20-the wall surface of the liquid storage cavity; 21-rear stage absorbent pad; 22-a liquid storage cavity; 23-three-stage self-suction cavity wall surface; 24-three-stage self-suction cavity; 25-an exhaust pipe; 26-an air inlet pipe; 27-the second level is from inhaling the cavity wall; 28-secondary self-suction cavity;
29-a drive device; 291-a piston; 292-separation baffle; 293-main shaft; 294-four phase drive;
30-first-stage self-suction cavity; 301-first stage self-suction cavity discharge cavity; 302-first stage self-suction cavity;
31-first level self-suction cavity wall surface;
32-one-way exhaust; 321-a non-return valve; 322-chamber separation plate; 323-one-way exhaust channel; 324-rear stage connecting spring; 325-rear spring fixer;
33-self-priming device.
Detailed Description
The invention will be further described with reference to the accompanying fig. 1-14 and the specific embodiments, but the scope of the invention is not limited thereto.
As shown in fig. 1, 2, 3 and 10, two ends of a communication pipe 15 are respectively connected with an outer gas-liquid separation chamber 3 of a gas-liquid separation device 1 and a three-stage self-suction chamber 24 of a self-suction device 33, a one-way valve 17 is arranged inside the communication pipe 15, the gas-liquid separation device 1 is sequentially provided with the outer gas-liquid separation chamber 3, an inner gas-liquid separation chamber 9 and an opening and closing chamber 12 from outside to inside, the outer gas-liquid separation chamber 3 is formed between an outer gas-liquid separation chamber wall surface 2 and an inner gas-liquid separation chamber wall surface 8, the inner gas-liquid separation chamber 9 is formed between an inner gas-liquid separation chamber wall surface 8 and an opening and closing chamber wall surface 11, the opening and closing chamber 12 is formed inside the opening and closing chamber wall surface 11, the upper part of the outer gas-liquid separation chamber 3 is communicated with the communication pipe 15, a water inlet device 7 is arranged below the outer gas-liquid separation device 1, and the gas-liquid separation process is realized through the action of various gas-liquid separation devices inside;
from inhaling device 33 by being equipped with liquid storage cavity 22 in proper order from outer to interior, tertiary from inhaling chamber 24, the second grade is from inhaling chamber 28 and one-level from inhaling chamber 30, liquid storage cavity 22 is formed between liquid storage cavity wall 20 and tertiary from inhaling chamber wall 23, tertiary from inhaling chamber 24 is formed between chamber wall 27 from inhaling chamber wall 23 and second grade from inhaling chamber wall 23 by the tertiary, the second grade is from inhaling chamber 28 and is formed between chamber wall 31 from inhaling chamber wall 27 and one-level by the second grade, the one-level is from inhaling chamber 30 and is formed from inhaling chamber wall 31 inside by the one-level. An exhaust chamber 18 is arranged above the liquid storage cavity 22, the right side of the three-stage self-suction cavity 24 is communicated with the communicating pipe 15, and the self-suction device 33 realizes the self-suction process by changing the pressure inside the self-suction cavities of all stages;
the communicating pipe 15 is a cylindrical surface bent pipe, is formed by the inside of a communicating pipe wall surface 16, and is provided with 3 same elbows, the bending diameter ratio is 1.5 times of pipe diameter, and the bending angle of the bent pipe is 90 degrees;
the gas-liquid separation device 1 is sequentially provided with an outer gas-liquid separation cavity wall surface 2, a spiral separation device 4, a primary gas-liquid separator 5, a gas-liquid separation chamber 6, a water inlet device 7, an inner gas-liquid separation cavity wall surface 8, a preceding stage moisture absorption pad 10, a discharge port 13, an opening and closing cavity wall surface 11 and an opening and closing device 14 from outside to inside;
two spiral separating devices 4 are symmetrically arranged about the central line of the gas-liquid separating device 1, each spiral separating device 4 is provided with a device fixer 41, a secondary lever 42, an upper-stage spiral separator 43 and a lower-stage spiral separator 44, the device fixer 41 is arranged on the inner side of the wall surface 2 of the outer gas-liquid separating cavity, the top end of the secondary lever 42 is fixed by the device fixer 41, the bottom end of the secondary lever is connected with the upper-stage spiral separator 43, and the bottom of the upper-stage spiral separator 43 is fixedly connected with the top of the lower-stage spiral separator 44;
the two primary gas-liquid separators 5 are symmetrically arranged about the central line of the gas-liquid separation device 1, each primary gas-liquid separator 5 is provided with an upper fixer 51, a primary gas-liquid separator chamber 52, a secondary blade 53, a lower fixer 54, a device inlet 55, a primary gas-liquid separator liquid discharge pipe 56, a triangular bracket 57, a cylindrical fixer 58, a primary gas-liquid separator chamber wall 59 and a primary gas-liquid separator exhaust pipe 510, the upper fixer 51 is connected with the outer gas-liquid separation chamber wall 2 and the primary gas-liquid separator chamber wall 59, the lower fixer 54 is connected with the outer gas-liquid separation chamber wall 2 and the inner gas-liquid separation chamber wall 8, the primary gas-liquid separator exhaust pipe 510 is positioned at the top of the primary gas-liquid separator chamber wall 59, the device inlet 55 is arranged inside the lower fixer 54 and is connected with the bottom of the primary gas-liquid separator chamber wall 59, the primary gas-liquid discharge pipe 56 is communicated with the primary gas-liquid separator chamber 52 and the inner gas-liquid separation chamber 9 wrapped by the primary gas-liquid separator exhaust pipe 510, the triangular bracket 57 is arranged at the connection position where the device inlet 55 is connected with the primary gas-liquid separator chamber wall 59 and is connected with the cylindrical fixer 58, and the secondary blade 53 is arranged at the cylindrical fixer 58;
two gas-liquid separation chambers 6 are symmetrically arranged about the central line of the gas-liquid separation device 1, each gas-liquid separation chamber 6 is provided with a spiral separator 61, a gas-liquid separation chamber fixer 62, a blade fixer 63 and a first-stage blade 64, the gas-liquid separation chamber fixer 62 is connected with the outer gas-liquid separation chamber wall surface 2 and the inner gas-liquid separation chamber wall surface 8, the spiral separator 61, the blade fixer 63 and the first-stage blade 64 are arranged in the gas-liquid separation chamber fixer 62, the two blade fixers 63 are symmetrically arranged about the central line of the spiral separator 61, and the first-stage blade 64 is arranged at the blade fixer 63;
the water inlet device 7 is arranged at the bottom of the gas-liquid separation device 1 and is provided with a water inlet channel 71, a water inlet device lower part 72, a check valve 73 and a water inlet device upper part 74, the water inlet device upper part 74 is fixed on the outer side of the inner gas-liquid separation cavity wall surface 8, the water inlet device lower part 72 is fixed on the inner side of the outer gas-liquid separation cavity wall surface 2, and the two water inlet channels 71 are symmetrically arranged on the check valve 73 relative to the center line of the gas-liquid separation device 1 and are respectively arranged on the two sides;
the front-stage moisture absorption pad 10 is horizontally arranged in the inner gas-liquid separation cavity 9, is connected with the wall surface 8 of the inner gas-liquid separation cavity and the wall surface 11 of the opening and closing cavity, and contains moisture absorption cotton made of cotton materials inside;
the discharge ports 13 are arranged on the inner side of the wall surface 8 of the inner gas-liquid separation cavity, the two discharge ports are symmetrically arranged about the central line of the gas-liquid separation device 1, the discharge ports 13 are in a diffusion shape, are the lower part of the spiral separation device 4 and serve as the outlet of the inner gas-liquid separation cavity 9;
the opening and closing device 14 is provided with a front stage spring fixer 141, a front stage connecting spring 142, a rectangular plate 143, a primary lever 144, a water baffle 145 and a magnet 146, the front stage spring fixer 141 is installed at the inner side of the wall surface 8 of the inner gas-liquid separation cavity and fixes the front stage connecting spring 142, the upper part of the front stage connecting spring 142 is positioned in the inner gas-liquid separation cavity 9, the lower part is connected with the rectangular plate 143 through the opening and closing cavity inlet 121, the two ends of the rectangular plate 143 are provided with the magnets 146 which are positioned in the opening and closing cavity 12 and connected with the top end of the primary lever 144, the primary lever 144 penetrates through the opening and closing cavity wall surface 11, the inner gas-liquid separation cavity wall surface 8 and the upper part 74 of the water inlet device, and the bottom end of the primary lever 144 is connected with the water baffle 145;
the rotatable monopole magnet 122 is arranged in the opening and closing cavity 12, the monopole magnet 122 is arranged in the circular cavity 1224 and is fixed by the shaft 1222, the shaft 1222 is externally connected with the rotary controller, and the monopole magnet 122 is composed of a magnet block 1221 and a non-magnet block 1223;
optionally, the installation angle of the spiral separation device 4 forms 60 degrees with the horizontal plane, the upper-stage spiral separator 43 and the lower-stage spiral separator 44 are both cylindrical, the ratio of the radii of the two is 2; the installation angle of the primary gas-liquid separator 5 forms 22.5 degrees with the horizontal plane, the installation angle of the device inlet 55 and the primary gas-liquid separator exhaust pipe 510 forms 67.5 degrees with the horizontal plane, and the installation angle of the primary gas-liquid separator drain pipe 56 forms 22.5 degrees with the horizontal plane; the diameter ratio of the length of the monopole magnet 122 to the circular chamber 1224 is 15, the volume of the magnet block 1221 and the magnet-free block 1223 is equal, and the contact area of the magnet block 1221 and the magnet 146 is equal; the contact area of the water baffle 145 and the inlet of the water inlet channel 71 is equal;
optionally, the front-stage connecting spring 142 is made of graphene, the first-stage blade 64, the second-stage blade 53, the spiral separator 61, the upper-stage spiral separator 43 and the lower-stage spiral separator 44 are made of aluminum alloy materials, the first-stage gas-liquid separator liquid discharge pipe 56, the first-stage gas-liquid separator exhaust pipe 510, the rectangular plate 143 and the water baffle 145 are all integrally formed by cast iron, and the check valve 73 is made of rubber materials and is formed by machining;
the communicating pipe 15 is provided with a one-way valve 17, the one-way valve 17 is installed on an elbow of the communicating pipe 15 closest to the self-priming device 33 and is provided with a left fixer 171, a one-way valve top 172, a one-way valve flow passage 173, a spring 174, a spring fixer 175, a one-way valve bottom 176, a right fixer 177 and a one-way valve inlet 178, the left fixer 171 and the right fixer 177 are installed on the inner side of the communicating pipe wall surface 16, the bottom end of the one-way valve top 172 and the top end of the one-way valve bottom 176 form the one-way valve flow passage 173, the spring fixer 175 is installed on the inner side of the communicating pipe wall surface 16, the spring fixer 175 fixes the spring 174, and the one-way valve top 172 is connected above the spring 174;
optionally, the ratio of the width of the check valve flow passage 173 to the diameter of the communication pipe 15 is 6; the spring 174 is made of graphene materials, the check valve top 172 is made of rubber materials and is formed, and the left fixer 171 and the right fixer 177 are both made of cast iron and are integrally formed;
the self-suction device 33 is provided with a device exhaust chamber 18, a liquid storage cavity wall surface 20, a secondary gas-liquid separator 19, a rear-stage moisture absorption pad 21, a third-stage self-suction cavity wall surface 23, an exhaust pipe 25, a secondary self-suction cavity wall surface 27, an air inlet pipe 26, a one-way exhaust device 32, a primary self-suction cavity wall surface 31 and a driving device 29 from outside to inside;
the device exhaust chamber 18 is arranged at the top end of the liquid storage cavity wall surface 20 of the self-priming device 33 and is provided with 5 cylindrical air suction chambers 181, air suction holes 182, an air storage chamber 183, an exhaust channel 184 and an exhaust port 185, the bottom of the cylindrical air suction chamber 181 is communicated with the liquid storage cavity 22 and is uniformly distributed on the bottom surface of the device exhaust chamber 18, the bottom end of the exhaust channel 184 is communicated with the air storage chamber 183, the top end of the exhaust channel is provided with the exhaust port 185, and the exhaust port 185 is communicated with the atmosphere in a one-way manner;
the secondary gas-liquid separators 19 are uniformly distributed along the wall surface 23 of the three-stage self-suction cavity, 4 secondary gas-liquid separators are arranged, each secondary gas-liquid separator 19 is provided with a secondary gas-liquid separator water outlet hole 191, a moisture absorption pad 192, a secondary gas-liquid separator cavity 193, a secondary gas-liquid separator cavity wall surface 194 and a secondary gas-liquid separator exhaust pipe 195, the secondary gas-liquid separator cavity wall surface 194 is connected with the three-stage self-suction cavity wall surface 23, the secondary gas-liquid separator cavity 193 is communicated with the secondary self-suction cavity 28 through an air inlet pipe 26, the moisture absorption pad 192 is arranged in the secondary gas-liquid separator cavity 193 and is connected with the inner side of the secondary gas-liquid separator cavity wall surface 194, the secondary gas-liquid separator water outlet holes 191 and the secondary gas-liquid separator exhaust pipes 195 are respectively used as liquid and gas outlets, and the two are both communicated with the liquid storage cavity 22;
two rear-stage moisture absorption pads 21 are symmetrically arranged about the central line of the self-absorption device 33, are horizontally arranged in the liquid storage cavity 22, are connected with the wall surface 20 of the liquid storage cavity and the wall surface 23 of the three-stage self-absorption cavity, and contain moisture absorption cotton made of cotton materials inside;
the exhaust pipes 25 penetrate through the wall surface 23 of the third-stage self-suction cavity and the wall surface 27 of the second-stage self-suction cavity, are uniformly distributed along the wall surface 23 of the third-stage self-suction cavity and the wall surface 27 of the second-stage self-suction cavity, and are 4 in number, the top ends of the exhaust pipes are communicated with the cavity 193 of the second-stage gas-liquid separator, and the bottom ends of the exhaust pipes are communicated with the discharge cavity 301 of the first-stage self-suction cavity;
the air inlet pipes 26 penetrate through the wall surface 27 of the second-stage self-suction cavity and the wall surface 31 of the first-stage self-suction cavity, are uniformly distributed along the wall surface 27 of the second-stage self-suction cavity and the wall surface 31 of the first-stage self-suction cavity, and are 4 in number, the top ends of the air inlet pipes are communicated with the third-stage self-suction cavity 24, and the bottom ends of the air inlet pipes are communicated with the suction cavity 302 of the first-stage self-suction cavity;
the driving device 29 is arranged in the first-stage self-suction cavity 30 and is provided with a piston 291, a separation baffle 292, a main shaft 293 and a four-phase driver 294, the main shaft 293 is connected with the four-phase driver 294, the main shaft 293 is externally connected with a motor for driving and rotates clockwise, the four-phase driver 294 is provided with 4 separation baffles 292 which are uniformly distributed along the main shaft 293, the bottom end of each separation baffle is tightly attached to the top end of the four-phase driver 294, the top end of the separation baffle 292 is provided with the piston 291, and the top end of the piston 291 is tightly attached to the inner side of the wall surface 31 of the first-stage self-suction cavity;
the one-way exhaust devices 32 are arranged in the second-stage self-suction cavity 28, fixed on the outer side of the wall surface 31 of the first-stage self-suction cavity, and uniformly distributed along the wall surface 31 of the first-stage self-suction cavity, wherein 4 in total are arranged, each one-way exhaust device 32 is provided with a check valve 321, a cavity separation plate 322, a one-way exhaust channel 323, a rear-stage connecting spring 324 and a rear-stage spring fixer 325, an inlet of the one-way exhaust device 32 is communicated with the discharge cavity 301 of the first-stage self-suction cavity, the check valve 321 is arranged at an outlet of the one-way exhaust channel 323, the rear-stage spring fixer 325 is arranged on the inner side of the wall surface of the one-way exhaust device 32, the rear-stage spring fixer 325 fixes the rear-stage connecting spring 324, and the lower part of the rear-stage connecting spring 324 is connected with the cavity separation plate 322;
optionally, the installation angle of the secondary gas-liquid separator 19 located at the rightmost side of the self-priming device 33 is 22.5 degrees with the horizontal plane; the installation angle of the exhaust pipe 25 positioned at the rightmost side of the self-priming device 33 is 22.5 degrees with the horizontal plane; when the device is not started, the included angle between the chamber separation plate 322 and the separation baffle 292 is 62 degrees; the length ratio of the chamber separation plate 322 to the one-way exhaust channel 323 is 1.1, the width ratio is 1;
optionally, the air suction hole 182 is located in the cylindrical air suction chamber 181, and the ratio of the two radii is 1;
optionally, the air inlet pipe 26, the air outlet pipe 25, the two-stage gas-liquid separator air outlet pipe 195 and the four-phase driver 294 are all integrally formed of cast iron, the partition plate 292 is made of stainless steel, the rear-stage connecting spring 324 is made of graphene, and the piston 291, the check valve 321, the cavity separating plate 322 and the cylindrical air suction chamber 181 are all made of rubber.
The working process of the invention is as follows:
when the device is not started, in the gas-liquid separation device 1, the water baffle 145 in the opening and closing device 14 is tightly attached to the inlet of the water inlet channel 71, so that the water baffle 145 blocks the inlet of the water inlet channel 71, a closed space which can only exhaust gas is formed in the whole device, the rectangular plate 143 is located at the lowest part of the opening and closing cavity 12, the front-stage connecting spring 142 is in a stretching state, the magnet block 1221 in the unipolar magnet 122 is located at one side of the circular cavity 1224, which is close to the opening and closing cavity 12, and the surface of the magnet block 1221 is tightly attached to the inlet of the circular cavity 1224;
in the self-priming device 33, the check valve 321 in the one-way exhaust device 32 is in a closed state and is tightly attached to the outlet of the one-way exhaust channel 323, the rear-stage connecting spring 324 is in a stretched state, and the bottommost end of the chamber separation plate 322 is attached to the connection part of the four-phase driver 294 and the separation baffle 292 in the driving device 29;
in the communication pipe 15, the check valve head 172 of the check valve 17 is attached to the left retainer 171 and the right retainer 177, and the spring 174 is in a stretched state.
In the earlier stage of the operation of the device, the four-phase driver 294 in the driving device 29 drives the separation baffle 292 to rotate clockwise around the main shaft 293, the main shaft 293 is driven by the motor to rotate, the chamber separation plate 322 can only move upwards along the one-way exhaust channel 323, the chamber separation plate 322 is gradually attached to the inner wall of the one-way exhaust device 32 close to the spring side in the moving process, the first-stage self-suction cavity exhaust cavity 301 and the first-stage self-suction cavity 302 are in a separation state, and meanwhile, the rear-stage connecting spring 324 is continuously compressed and deformed, at this time, the volume of the first-stage self-suction cavity 302 is continuously increased, the pressure is gradually reduced, so that the gas in the third-stage self-suction cavity 24 continuously enters the first-stage self-suction cavity 302 through the gas inlet pipe 26, the volume of the first-stage self-suction cavity exhaust cavity 301 is continuously reduced, the pressure is gradually increased, the gas is continuously extruded and exhausted to the one-way exhaust device 32, the volume of the one-way exhaust device 32 is continuously reduced as the chamber separation plate 322 moves upwards, the pressure is gradually increased, the check valve 321 is gradually opened upwards, and the air is continuously exhausted to the second-stage self-suction cavity 28 through the one-way exhaust channel 323;
when the four-phase driver 294 rotates 45 degrees, the chamber separation plate 322 completely enters the one-way exhaust device 32, and the wall surface of the chamber separation plate completely fits the inner wall of the one-way exhaust device 32 near the spring side, at this time, the volume of the one-level self-suction cavity 302 reaches the maximum, the whole one-level self-suction cavity 30 is composed of four one-level self-suction cavity suction cavities 302, then the four-phase driver 294 continues to rotate to form a new one-level self-suction cavity discharge cavity 301 and a new one-level self-suction cavity 302, the new one-level self-suction cavity discharge cavity 301 is continuously compressed to continuously discharge the gas to the one-way exhaust device 32, the volume of the new one-level self-suction cavity 302 is continuously increased, then the gas in the three-stage self-suction cavity 24 is sucked continuously, the cavity separation plate 322 gradually moves downwards along the reverse direction of the upward movement until reaching the initial position, and meanwhile, the rear-stage connecting spring 324 continuously stretches and deforms, so that the volume of the one-way exhaust device 32 is increased continuously, the pressure is reduced gradually, the check valve 321 is closed downwards gradually until reaching the initial position, the gas is effectively prevented from flowing back to the one-way exhaust channel 323 from the two-stage self-suction cavity 28, when the four-phase driver 294 rotates 90 degrees, a complete air suction and exhaust process can be completed, that is, during the process of rotating one circle, the four separation baffles complete 16 complete self-suction processes;
the third level is from inhaling chamber 24 and being continuous with communicating pipe 15, because discharge gas constantly into the one-level from inhaling in the chamber and inhaling the chamber 302, the pressure of the third level from inhaling the chamber 24 reduces gradually, spring 174 constantly compression deformation this moment, check valve top 172 can only vertical downstream, gas-liquid separation equipment 1 and from inhaling device 33 intercommunication this moment, gas in the gas-liquid separation equipment 1 constantly gets into the third level from inhaling the chamber 24 from communicating pipe 15, simultaneously, because the second level is from inhaling the chamber 28 and constantly receives the gas from one-way exhaust apparatus 32, pressure constantly increases, gas discharges to the stock solution chamber 22 through blast pipe 25, rethread device exhaust chamber 18 discharges to the atmosphere.
In the middle stage of operation of the device, because the gas of the gas-liquid separation device 1 is continuously reduced, the pressure is gradually reduced, the side of the water inlet device is atmospheric pressure, under the action of pressure difference, the water baffle plate 145 only can vertically move upwards, meanwhile, the rectangular plate 143 vertically moves upwards, the preceding stage connecting spring 142 continuously compresses and deforms, when the rectangular plate 143 moves to the top end of the opening and closing cavity 12, the magnet 146 on the rectangular plate 143 is combined and attracted with the magnet block 1221 in the single-pole magnet, the rectangular plate 143 is fixed, the opening and closing cavity 12 forms a closed space, meanwhile, the water baffle plate 145 is tightly attached to the bottom of the upper part 74 of the water inlet device, the liquid continuously flows into the gas-liquid separation device 1 through the water inlet channel, and the check valve 73 is arranged at the outlet of the water inlet device 7, so that the backflow of the liquid is effectively prevented;
a large amount of gas-liquid two-phase flow enters the outer gas-liquid separation cavity 3 through the water inlet channel 71, then enters the gas-liquid separation chamber 6 for gas-liquid separation, first gas-liquid separation is completed through the centrifugal force effect generated by the first-stage blade 64 and the cutting effect of the spiral separator 61, gas is discharged from the outlet of the gas-liquid separation chamber 6, and liquid falls back into the outer gas-liquid separation cavity 3 under the action of gravity;
the liquid flows discharged from the outlet of the gas-liquid separation chamber 6 enter the primary gas-liquid separator 5 along with the operation of the device, the gas-liquid separation is carried out again through the rotary centrifugal action of the secondary blade 53, the gas is discharged from the exhaust pipe 510 of the primary gas-liquid separator, the liquid enters the inner gas-liquid separation chamber 9 through the discharge pipe 56 of the primary gas-liquid separator, the inner gas-liquid separation chamber 9 is provided with a front-stage moisture absorption pad 10, and the inner part of the inner gas-liquid separation chamber contains moisture absorption cotton made of cotton materials, so that the gas-liquid two-phase flow in the inner gas-liquid separation chamber 9 is effectively separated;
as the device operating liquid passes through the first-stage gas-liquid separator 5 and the front-stage moisture absorption pad 10, the spiral separation device 4 is arranged above the outer gas-liquid separation cavity 3, at the moment, the gas-liquid two-phase flow in the inner gas-liquid separation cavity 9 can be separated by the lower-stage spiral separator 44, and the gas-liquid two-phase flow in the outer gas-liquid separation cavity 3 can be separated by the upper-stage spiral separator 43;
the liquid fills the whole outer gas-liquid separation cavity 3 and inner gas-liquid separation cavity 9 along with the operation of the device, then the liquid enters the three-stage self-suction cavity 24 in the self-suction device 33 through the communicating pipe 15, the one-way valve 17 is arranged in the communicating pipe 15 to effectively prevent the liquid from flowing back, the liquid phase in the gas-liquid two-phase flow entering the self-suction device 33 is not much after the gas-liquid separation action for many times, in order to reduce the liquid phase discharge amount to the maximum and reduce the energy loss, the secondary gas-liquid separator 19 and the rear-stage moisture absorption pad 21 are also arranged in the self-suction device, so that the liquid phase contained in the gas discharged through the exhaust chamber 18 of the device is very little, then the liquid enters the primary self-suction cavity 30 through the gas inlet pipe 26 from the three-stage self-suction cavity 24, then enters the secondary self-suction cavity 28 through the one-way exhaust channel 323, and then enters the liquid storage cavity 22 through the exhaust pipe 25 until the whole self-suction device 33 is filled.
At the later stage of the operation of the device, the liquid is filled in the whole self-suction device 33, at the moment, the motor is turned off, the driving device 29 stops moving, at the moment, the rotating controller connected with the shaft 1222 is started, the unipolar magnet 122 rotates for 180 degrees, the nonmagnetic block 1223 in the unipolar magnet 122 is tightly attached to the inlet of the circular cavity 1224, at the moment, the rectangular plate 143 is not fixed and continuously moves downwards under the action of the weight force of the liquid, meanwhile, the liquid continuously flows into the opening and closing cavity 12, the preceding stage connecting spring 142 continuously stretches and deforms, the water baffle 145 also continuously moves downwards, when the rectangular plate 143 moves to the bottom end of the opening and closing cavity 12, the liquid is filled in the whole opening and closing cavity 12, and meanwhile, the water baffle 145 is tightly attached to the inlet of the water inlet channel 71, so that the device is closed, the damage caused by the water during shutdown is effectively reduced, at the moment, the device is filled with the liquid, when the device is started again, the device can directly enter the normal operation working condition, and the working efficiency is remarkably improved.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any obvious modifications, substitutions or variations can be made by those skilled in the art without departing from the spirit of the present invention.

Claims (10)

1. The high-efficiency water-free starting self-priming device is applied to a centrifugal pump and is characterized by comprising a gas-liquid separation device (1) and a self-priming device (33), wherein two ends of a communication pipe (15) are respectively connected with an outer gas-liquid separation cavity (3) of the gas-liquid separation device (1) and a three-stage self-priming cavity (24) of the self-priming device (33), a one-way valve (17) is arranged inside the communication pipe (15), the gas-liquid separation device (1) is sequentially provided with an outer gas-liquid separation cavity (3), an inner gas-liquid separation cavity (9) and an opening and closing cavity (12) from outside to inside, the outer gas-liquid separation cavity (3) is formed between an outer gas-liquid separation cavity wall surface (2) and an inner gas-liquid separation cavity wall surface (8), the inner gas-liquid separation cavity (9) is formed between the inner gas-liquid separation cavity wall surface (8) and the opening and closing cavity wall surface (11), the opening and closing cavity (12) is formed inside the cavity wall (11), the outer gas-liquid separation cavity (3) is communicated with the communication pipe (15), a water inlet device (7) is arranged below, and the gas-liquid separation device (1) can realize the gas-liquid separation process through the gas-liquid separation device;
the self-suction device (33) is provided with a liquid storage cavity (22), a three-level self-suction cavity (24), a two-level self-suction cavity (28) and a one-level self-suction cavity (30) from outside to inside in sequence, the liquid storage cavity (22) is formed between a liquid storage cavity wall surface (20) and the three-level self-suction cavity wall surface (23), the three-level self-suction cavity (24) is formed between the three-level self-suction cavity wall surface (23) and the two-level self-suction cavity wall surface (27), the two-level self-suction cavity (28) is formed between the two-level self-suction cavity wall surface (27) and the one-level self-suction cavity wall surface (31), and the one-level self-suction cavity (30) is formed inside the one-level self-suction cavity wall surface (31); an exhaust chamber (18) of the device is arranged above the liquid storage cavity (22), the right side of the three-stage self-suction cavity (24) is communicated with the communicating pipe (15), and the self-suction device (33) realizes a self-suction process by enabling the pressure inside the self-suction cavities of all stages to change;
the communicating pipe (15) is a cylindrical surface bent pipe, is formed by the inside of a wall surface (16) of the communicating pipe, and is provided with 3 same bends in total, the bend ratio is 1.5 times of the pipe diameter, and the bend angle of the bent pipe is 90 degrees.
2. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the gas-liquid separation device (1) is provided with an outer gas-liquid separation cavity wall surface (2), a spiral separation device (4), a primary gas-liquid separator (5), a gas-liquid separation chamber (6), a water inlet device (7), an inner gas-liquid separation cavity wall surface (8), a front-stage moisture absorption pad (10), a discharge port (13), an opening and closing cavity wall surface (11) and an opening and closing device (14) in sequence from outside to inside;
the two spiral separation devices (4) are symmetrically arranged about the center line of the gas-liquid separation device (1), each spiral separation device (4) is provided with a device fixer (41), a secondary lever (42), an upper-stage spiral separator (43) and a lower-stage spiral separator (44), the device fixer (41) is installed on the inner side of the outer gas-liquid separation cavity wall surface (2), the top end of the secondary lever (42) is fixed by the device fixer (41), the bottom end of the secondary lever is connected with the upper-stage spiral separator (43), and the bottom of the upper-stage spiral separator (43) is fixedly connected with the top of the lower-stage spiral separator (44);
the two primary gas-liquid separators (5) are symmetrically arranged about the central line of the gas-liquid separator (1), each primary gas-liquid separator (5) is provided with an upper fixer (51), a primary gas-liquid separator cavity (52), a secondary blade (53), a lower fixer (54), a device inlet (55), a primary gas-liquid separator liquid discharge pipe (56), a triangular bracket (57), a cylindrical fixer (58), a primary gas-liquid separator cavity wall surface (59) and a primary gas-liquid separator exhaust pipe (510), the upper fixer (51) is connected with an outer gas-liquid separator cavity wall surface (2) and the primary gas-liquid separator cavity wall surface (59), the lower fixer (54) is connected with the outer gas-liquid separator cavity wall surface (2) and an inner gas-liquid separator cavity wall surface (8), the primary gas-liquid separator exhaust pipe (510) is positioned at the top of the primary gas-liquid separator cavity wall surface (59), the device inlet (55) is arranged inside the lower fixer (54) and connected with the bottom of the primary gas-liquid separator cavity wall surface (59), the primary gas-liquid separator inlet (56) and the primary gas-liquid separator cavity (9) are connected with the triangular bracket (57), and is connected with a cylindrical holder (58), the secondary blade (53) is arranged at the cylindrical holder (58);
the two gas-liquid separation chambers (6) are symmetrically arranged around the central line of the gas-liquid separation device (1), each gas-liquid separation chamber (6) is provided with a spiral separator (61), a gas-liquid separation chamber fixer (62), a blade fixer (63) and a first-stage blade (64), the gas-liquid separation chamber fixer (62) is connected with the outer gas-liquid separation chamber wall surface (2) and the inner gas-liquid separation chamber wall surface (8), the spiral separators (61), the blade fixers (63) and the first-stage blades (64) are arranged in the gas-liquid separation chamber fixer (62), the two blade fixers (63) are symmetrically arranged around the central line of the spiral separators (61), and the first-stage blades (64) are arranged at the blade fixers (63);
the water inlet device (7) is arranged at the bottom of the gas-liquid separation device (1) and is provided with a water inlet channel (71), a water inlet device lower part (72), a check valve (73) and a water inlet device upper part (74), the water inlet device upper part (74) is fixed on the outer side of the inner gas-liquid separation cavity wall surface (8), the water inlet device lower part (72) is fixed on the inner side of the outer gas-liquid separation cavity wall surface (2), and the two water inlet channels (71) are symmetrically arranged on the center line of the gas-liquid separation device (1) and are respectively arranged on the two sides of the check valve (73);
the front-stage moisture absorption pad (10) is horizontally arranged in the inner gas-liquid separation cavity (9), is connected with the wall surface (8) of the inner gas-liquid separation cavity and the wall surface (11) of the opening and closing cavity, and contains moisture absorption cotton made of cotton materials;
the two discharge ports (13) are arranged on the inner side of the wall surface (8) of the inner gas-liquid separation cavity and symmetrically arranged relative to the central line of the gas-liquid separation device (1), and the discharge ports (13) are in a diffusion shape and are arranged at the lower part of the spiral separation device (4) and serve as outlets of the inner gas-liquid separation cavity (9);
the opening and closing device (14) is internally provided with a preceding stage spring fixer (141), a preceding stage connecting spring (142), a rectangular plate (143), a first stage lever (144), a water baffle (145) and a magnet (146), the preceding stage spring fixer (141) is installed on the inner side of the wall surface (8) of the inner gas-liquid separation cavity and fixes the preceding stage connecting spring (142), the upper part of the preceding stage connecting spring (142) is positioned in the inner gas-liquid separation cavity (9), the lower part of the preceding stage connecting spring is connected with the rectangular plate (143) through an opening and closing cavity inlet (121), two ends of the rectangular plate (143) are provided with the magnet (146), the magnet (146) is positioned in the opening and closing cavity (12) and is connected with the top end of the first stage lever (144), the first stage lever (144) penetrates through the opening and closing cavity wall surface (11), the inner gas-liquid separation cavity wall surface (8) and the upper part (74) of the water inlet device, and the bottom end of the first stage connecting water baffle (145);
the rotating single-pole magnet type magnetic switch is characterized in that a rotatable single-pole magnet (122) is arranged in the opening and closing cavity (12), the single-pole magnet (122) is installed in the circular cavity (1224) and fixed by a shaft (1222), the shaft (1222) is externally connected with a rotating controller, and the single-pole magnet (122) is composed of a magnet block (1221) and a non-magnet block (1223).
3. A high efficiency water-free starting self-priming device applied to centrifugal pumps according to claim 2, characterized in that the installation angle of the spiral separator (4) is 60 ° to the horizontal, the upper spiral separator (43) and the lower spiral separator (44) are both cylindrical with a radius ratio of 2; the installation angle of the primary gas-liquid separator (5) and the horizontal plane form 22.5 degrees, the installation angle of the device inlet (55) and the primary gas-liquid separator exhaust pipe (510) and the horizontal plane form 67.5 degrees, and the installation angle of the primary gas-liquid separator drain pipe (56) and the horizontal plane form 22.5 degrees; the diameter ratio of the length of the unipolar magnet (122) to the circular chamber (1224) is 15, the volumes of the magnet block (1221) and the magnet-free block (1223) are equal, and the contact areas of the magnet block (1221) and the magnet (146) are equal; the contact area of the water baffle (145) and the inlet of the water inlet channel (71) is equal.
4. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the front-stage connecting spring (142) is made of graphene materials, the first-stage blade (64), the second-stage blade (53), the spiral separator (61), the upper-stage spiral separator (43) and the lower-stage spiral separator (44) are made of aluminum alloy materials, the first-stage gas-liquid separator liquid discharge pipe (56), the first-stage gas-liquid separator exhaust pipe (510), the rectangular plate (143) and the water baffle (145) are all integrally formed by cast iron, and the check valve (73) is machined and formed by rubber materials.
5. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the communication pipe (15) is provided with a one-way valve (17), the one-way valve (17) is installed on the elbow of the communication pipe (15) closest to the self-priming device (33) and is provided with a left fixer (171), a one-way valve top head (172), a one-way valve flow passage (173), a spring (174), a spring fixer (175) and a one-way valve bottom (176), a right fixer (177) and a one-way valve inlet (178), the left fixer (171) and the right fixer (177) are installed on the inner side of the communication pipe wall surface (16), the bottom end of the one-way valve top head (172) and the top end of the one-way valve bottom (176) form the one-way valve flow passage (173), the spring fixer (175) is installed on the inner side of the communication pipe wall surface (16), the spring fixer (175) fixes the spring (174), and the one-way valve top head (172) is connected above the spring (174).
6. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the ratio of the width of the one-way valve flow passage (173) to the diameter of the communicating pipe (15) is 6; the spring (174) is made of graphene materials, the check valve top (172) is made of rubber materials in a machining mode, and the left fixer (171) and the right fixer (177) are both integrally formed of cast iron.
7. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the self-priming device (33) is provided with a device exhaust chamber (18), a liquid storage cavity wall surface (20), a secondary gas-liquid separator (19), a rear-stage moisture absorption pad (21), a third-stage self-priming cavity wall surface (23), an exhaust pipe (25), a second-stage self-priming cavity wall surface (27), an air inlet pipe (26), a one-way exhaust device (32), a first-stage self-priming cavity wall surface (31) and a driving device (29) from outside to inside;
the device exhaust chamber (18) is arranged at the top end of a liquid storage cavity wall surface (20) of the self-suction device (33), and is provided with a cylindrical air suction chamber (181), air suction holes (182), an air storage chamber (183), an exhaust channel (184) and an exhaust port (185), the bottom of the cylindrical air suction chamber (181) is communicated with the liquid storage cavity (22), the number of the cylindrical air suction chamber (181) is 5, the cylindrical air suction chamber is uniformly distributed on the bottom surface of the device exhaust chamber (18), the bottom end of the exhaust channel (184) is communicated with the air storage chamber (183), the top end of the exhaust channel is provided with the exhaust port (185), and the exhaust port (185) is communicated with the atmosphere in a one-way manner;
the secondary gas-liquid separator (19) is uniformly distributed along the wall surface (23) of the three-stage self-suction cavity, the number of the secondary gas-liquid separator is 4, each secondary gas-liquid separator (19) is provided with a secondary gas-liquid separator drain hole (191), a moisture absorption pad (192), a secondary gas-liquid separator cavity (193), a secondary gas-liquid separator cavity wall surface (194) and a secondary gas-liquid separator exhaust pipe (195), the secondary gas-liquid separator cavity wall surface (194) is connected with the wall surface (23) of the three-stage self-suction cavity, the secondary gas-liquid separator cavity (193) is communicated with the secondary self-suction cavity (28) through an air inlet pipe (26), the moisture absorption pad (192) is arranged in the secondary gas-liquid separator cavity (193) and is connected with the inner side of the secondary gas-liquid separator cavity wall surface (194), the secondary gas-liquid separator drain hole (191) and the secondary gas-liquid separator exhaust pipe (195) serve as outlets of liquid and gas respectively, and the liquid drain hole (191) and the secondary gas exhaust pipe (195) are communicated with the liquid storage cavity (22);
the two rear-stage moisture absorption pads (21) are symmetrically arranged about the central line of the self-suction device (33), are horizontally arranged in the liquid storage cavity (22), are connected with the wall surface (20) of the liquid storage cavity and the wall surface (23) of the three-stage self-suction cavity, and contain moisture absorption cotton made of cotton materials inside;
the exhaust pipes (25) penetrate through the three-stage self-suction cavity wall surface (23) and the second-stage self-suction cavity wall surface (27), are uniformly distributed along the three-stage self-suction cavity wall surface (23) and the second-stage self-suction cavity wall surface (27), are 4 in number, the top ends of the exhaust pipes are communicated with the second-stage gas-liquid separator cavity (193), and the bottom ends of the exhaust pipes are communicated with the first-stage self-suction cavity discharge cavity (301);
the air inlet pipe (26) penetrates through the second-stage self-suction cavity wall surface (27) and the first-stage self-suction cavity wall surface (31), is uniformly distributed along the second-stage self-suction cavity wall surface (27) and the first-stage self-suction cavity wall surface (31), and is 4 in number, the top end of the air inlet pipe is communicated with the third-stage self-suction cavity (24), and the bottom end of the air inlet pipe is communicated with the first-stage self-suction cavity (302);
the driving device (29) is arranged in the first-stage self-suction cavity (30) and is provided with a piston (291), a separation baffle (292), a main shaft (293) and a four-phase driver (294), the main shaft (293) is connected with the four-phase driver (294), the main shaft (293) is externally connected with a motor for driving and rotates clockwise, the four-phase driver (294) is provided with 4 separation baffles (292), the separation baffles (292) are uniformly distributed along the main shaft (293), the bottom ends of the separation baffles are tightly attached to the top end of the four-phase driver (294), the top end of each separation baffle (292) is provided with a piston (291), and the top end of each piston (291) is tightly attached to the inner side of the wall surface (31) of the first-stage self-suction cavity;
the one-way exhaust devices (32) are arranged in the two-stage self-suction cavity (28), fixed to the outer side of the one-stage self-suction cavity wall surface (31), and uniformly distributed along the one-stage self-suction cavity wall surface (31) and provided with 4 in number, each one-way exhaust device (32) is provided with a check valve (321), a cavity separation plate (322), a one-way exhaust channel (323), a rear-stage connecting spring (324) and a rear-stage spring fixer (325), an inlet of each one-way exhaust device (32) is communicated with the one-stage self-suction cavity discharge cavity (301), the check valve (321) is installed at an outlet of the one-way exhaust channel (323), the rear-stage spring fixer (325) is installed on the inner side of the wall surface of the one-way exhaust device (32), the rear-stage connecting spring (324) is fixed by the rear-stage spring fixer (325), and the cavity separation plate (322) is connected below the rear-stage connecting spring (324).
8. The high-efficiency water-free starting self-priming device applied to the centrifugal pump according to claim 7, characterized in that the installation angle of the secondary gas-liquid separator (19) located at the rightmost side of the self-priming device (33) is 22.5 ° to the horizontal plane; the installation angle of the exhaust pipe (25) positioned at the rightmost side of the self-suction device (33) forms 22.5 degrees with the horizontal plane; when the device is not started, the included angle between the chamber separation plate (322) and the separation baffle (292) is 62 degrees; the length ratio of the chamber separation plate (322) to the one-way exhaust channel (323) is 1.
9. A high-efficiency water-free starting self-priming device applied to a centrifugal pump according to claim 7, characterized in that said suction holes (182) are located in a cylindrical suction chamber (181) with a ratio of the two radii of 1.
10. The high-efficiency water-free starting self-priming device applied to the centrifugal pump is characterized in that the air inlet pipe (26), the air outlet pipe (25), the air outlet pipe (195) of the secondary gas-liquid separator and the four-phase driver (294) are all integrally formed by cast iron, the separating baffle (292) is made of stainless steel, the rear-stage connecting spring (324) is made of graphene, and the piston (291), the check valve (321), the cavity separating plate (322) and the cylindrical air suction chamber (181) are all made of rubber materials.
CN202210824871.XA 2022-07-13 2022-07-13 Efficient water-free starting self-suction device applied to centrifugal pump Pending CN115163501A (en)

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CN116163962A (en) * 2023-03-15 2023-05-26 江苏大学流体机械温岭研究院 Efficient water-free started centrifugal pump self-priming device
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