CN111173717A

CN111173717A - Vacuum buffer tank convenient to flowing back

Info

Publication number: CN111173717A
Application number: CN201911419016.5A
Authority: CN
Inventors: 崔建伟
Original assignee: Mianyang Baihui Automation Equipment Co Ltd
Current assignee: Mianyang Baihui Automation Equipment Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-05-19

Abstract

The invention discloses a vacuum buffer tank convenient for liquid drainage, which relates to the technical field of buffer tanks and is used for solving the problem that liquid-phase substances accumulated at the bottom of a tank affect the vacuum degree of the buffer tank when a gas-phase substance containing liquid is buffered by the vacuum buffer tank; the invention has the advantages of simple structure, convenient liquid discharge and vacuum maintenance in the tank body.

Description

Vacuum buffer tank convenient to flowing back

Technical Field

The invention relates to the technical field of gas meters, in particular to a vacuum buffer tank convenient for liquid drainage, which is used for buffering gas-phase substances containing liquid.

Background

The buffer tank is an important accessory device of the reciprocating pump, is mainly used for pressure fluctuation of a buffer system in various systems, enables the system to work more stably, and the vacuum buffer tank is used as one of the devices with wider application, can effectively prevent backflow and can reach stable vacuum degree in a gas-liquid separation mode (otherwise, the vacuum degree cannot meet the requirement).

When current vacuum buffer tank is used, when the gaseous phase material to containing liquid cushions, because certain liquid has among the gaseous phase material, when vacuum buffer tank is to flowing, the bottom of the jar body is gathered easily to the liquid phase material in the gas, if can not in time discharge, long-time accumulational liquid phase material can influence the vacuum in the buffer tank, if discharge liquid, need destroy the vacuum environment in the vacuum buffer tank again and just can discharge, need carry out the evacuation operation to the buffer tank again after the liquid discharge.

Disclosure of Invention

The invention aims to: the invention provides a vacuum buffer tank convenient for liquid drainage, which aims to solve the problem that liquid phase substances are accumulated at the bottom of the tank to influence the vacuum degree of the buffer tank when a vacuum buffer tank buffers gas phase substances containing liquid.

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a vacuum buffer tank convenient to flowing back, which comprises a tank body, jar body one side is equipped with the air inlet, and the upper end is equipped with the gas outlet, jar body lower extreme is equipped with the liquid outlet, be equipped with the ooff valve on the liquid outlet, jar internal big-end-up's toper section of thick bamboo, toper section of thick bamboo upper end is less than the air inlet, toper bobbin base portion is equipped with big-end-up's bell mouth, the vertical bracing piece that is equipped with and the bell mouth is coaxial at jar internal top, jar internal bottom is equipped with the guide bar coaxial with the bell mouth, the guide bar upper end is higher than bell mouth and external diameter and is less than the internal diameter of bell mouth upper end, the cover is equipped with the toper end cap with bell mouth matched with on.

Furthermore, the driving mechanism comprises an electromagnet arranged at the lower end of the supporting rod and a permanent magnet arranged at the upper end of the conical plug, and a through hole through which the guide rod passes is formed in the permanent magnet.

Further, an exhaust pipe is arranged on the side face of the tank body, a vacuum pump is arranged on the exhaust pipe, and the exhaust pipe is lower than the conical barrel.

Furthermore, a supporting plate is sleeved on the guide rod and located below the conical plug.

The invention has the following beneficial effects:

1. the gas-phase substance containing liquid enters the tank body from the gas inlet, gas is discharged from the gas outlet, the liquid is attached to the upper end of the conical cylinder and then falls to the bottom of the tank body from the conical hole, when the liquid needs to be discharged, the driving mechanism is started, the conical plug moves upwards to plug the conical hole, so that the space above the conical cylinder is kept vacuum, the switch valve is opened, the liquid is discharged from the liquid outlet, the switch valve is closed, the conical plug moves downwards, so that the inside of the whole tank body is kept vacuum, and the vacuum pumping operation is not needed, so that the cost is saved;

2. the driving mechanism comprises an electromagnet and a permanent magnet, wherein the electromagnet is electrified to enable the polarity of the lower end of the electromagnet and the polarity of the upper end of the permanent magnet to be opposite, the electromagnet attracts the permanent magnet, the permanent magnet drives the conical plug to move upwards, when the electromagnet is powered off, the conical plug moves downwards under the action of gravity, and when the polarity of the lower end of the electromagnet and the polarity of the upper end of the permanent magnet are the same, the conical plug moves downwards under the dual action of gravity and magnetic force;

3. the side surface of the tank body is provided with the vacuum pump, so that the vacuum can be better kept in the tank body;

4. the guide rod is provided with the supporting plate, so that the conical plug is convenient to support, and the conical plug is prevented from impacting the tank body to damage the tank body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference numerals: 1-tank body, 2-conical barrel, 3-air inlet, 4-air outlet, 5-support rod, 6-electromagnet, 7-guide rod, 8-conical plug, 9-vacuum pump, 10-air exhaust pipe, 11-switch valve, 12-liquid outlet, 13-support plate, 14-permanent magnet and 15-conical hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.

Example 1

As shown in fig. 1, the present embodiment provides a vacuum buffer tank for facilitating liquid drainage, which comprises a tank body 1, an air inlet 3 is arranged on one side of the tank body 1, an air outlet 4 is arranged at the upper end of the tank body, a liquid outlet 12 is arranged at the lower end of the tank body 1, the liquid outlet 12 is provided with a switch valve 11, the tank body 1 is internally provided with a conical cylinder 2 with a big top and a small bottom, the upper end of the conical cylinder 2 is lower than the air inlet 3, the bottom of the conical cylinder 2, namely the lower end of the conical cylinder 2, is provided with a conical hole 15 with a small upper part and a big lower part, a supporting rod 5 coaxial with the tapered hole 15 is vertically arranged at the top in the tank body 1, a guide rod 7 coaxial with the tapered hole 15 is arranged at the bottom in the tank body 1, the upper end of the guide rod 7 is higher than the tapered hole 15 and the outer diameter is smaller than the inner diameter of the upper end of the tapered hole 15, the guide rod 7 is sleeved with a conical plug 8 matched with the conical hole 15, and the support rod 5 and the conical plug 8 are provided with driving mechanisms for driving the conical plug 8 to move up and down.

The working principle is as follows: gas phase substances containing liquid enter the tank body 1 from the air inlet 3, gas is discharged from the air outlet 4, the liquid is attached to the upper end of the conical barrel 2 and then falls to the bottom of the tank body 1 from the conical hole 15, when the liquid needs to be discharged, the driving mechanism is started, the conical plug 8 moves upwards to plug the conical hole 15, the middle of the conical plug 8 plugs the conical hole 15 at the moment, the upper end of the conical hole 15 is higher than the upper end of the conical hole 15, the space above the conical barrel 2 is kept vacuum, the switch valve 11 is opened, the liquid is discharged from the liquid outlet 12, then the switch valve 11 is closed, the conical plug 8 moves downwards, the inside of the whole tank body 1 is kept vacuum, additional vacuumizing operation is not needed, and cost is saved.

Example 2

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 1, and specifically, the driving mechanism includes an electromagnet 6 disposed at the lower end of the support rod 5 and a permanent magnet 14 disposed at the upper end of the tapered plug 8, a through hole through which the guide rod 7 passes is disposed on the permanent magnet 14, the electromagnet 6 is energized, so that the polarities of the lower end of the electromagnet 6 and the upper end of the permanent magnet 14 are opposite, the electromagnet 6 attracts the permanent magnet 14, the permanent magnet 14 drives the tapered plug 8 to move upward, when the electromagnet 6 is de-energized, the tapered plug 8 moves downward under the action of gravity, and when the polarities of the lower end of the electromagnet 6 and the upper end of the permanent magnet 14 are the same, that is, when the electromagnet 6 is energized in.

Example 3

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 1, specifically, an air exhaust pipe 10 is disposed on a side surface of the tank 1, a vacuum pump 9 is disposed on the air exhaust pipe 10, and the air exhaust pipe 10 is lower than the conical tube 2, so as to better maintain vacuum in the tank 1.

Example 4

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 1, specifically, a support plate 13 is sleeved on the guide rod 7, and the support plate 13 is located below the tapered plug 8, so as to support the tapered plug 8 and prevent the tapered plug 8 from impacting the tank body 1 and further damaging the tank body 1.

Claims

1. The vacuum buffer tank convenient for liquid drainage comprises a tank body (1), wherein an air inlet (3) is arranged on one side of the tank body (1), an air outlet (4) is arranged at the upper end of the tank body (1), the lower end of the tank body (1) is provided with a liquid outlet (12), a switch valve (11) is arranged on the liquid outlet (12), a tapered cylinder (2) with a big top and a small bottom is arranged in the tank body (1), the upper end of the tapered cylinder (2) is lower than the air inlet (3), a tapered hole (15) with a big top and a small bottom is arranged at the bottom of the tapered cylinder (2), a supporting rod (5) which is coaxial with the tapered hole (15) is vertically arranged at the top in the tank body (1), a guide rod (7) which is coaxial with the tapered hole (15) is arranged at the bottom in the tank body (1), the outer diameter of the upper end of the guide rod (7) which is higher than the tapered hole (15) is smaller than, and the support rod (5) and the conical plug (8) are provided with driving mechanisms for driving the conical plug (8) to move up and down.

2. The vacuum buffer tank convenient for liquid drainage as claimed in claim 1, wherein the driving mechanism comprises an electromagnet (6) arranged at the lower end of the support rod (5) and a permanent magnet (14) arranged at the upper end of the conical plug (8), and the permanent magnet (14) is provided with a through hole through which the guide rod (7) passes.

3. The vacuum buffer tank convenient for liquid drainage as claimed in claim 1 or 2, characterized in that an air suction pipe (10) is arranged on the side surface of the tank body (1), a vacuum pump (9) is arranged on the air suction pipe (10), and the air suction pipe (10) is lower than the conical cylinder (2).

4. The vacuum buffer tank convenient for liquid drainage as claimed in claim 1 or 2, wherein a support plate (13) is sleeved on the guide rod (7), and the support plate (13) is positioned below the conical plug (8).