CN215719378U

CN215719378U - Micro-negative pressure gas-water separator

Info

Publication number: CN215719378U
Application number: CN202121384964.2U
Authority: CN
Inventors: 王为生; 王飞
Original assignee: Guangdong Jiuwei Biotechnology Co ltd
Current assignee: Guangdong Jiuwei Biotechnology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-01
Anticipated expiration: 2031-06-21

Abstract

The utility model belongs to the technical field of gas-water separators, and particularly relates to a micro-negative pressure gas-water separator which comprises: the high-speed air flow in the drainage tube and the first exhaust pipe form a Bernoulli effect, so that a certain negative pressure is formed in the first cavity. The water can be added by arranging the water inlet hole, the added water amount is controlled by utilizing the transparent water level display pipe, the water flows into the liquid inlet through the water outlet hole to serve as the working liquid of the water ring type vacuum pump, and the mixed pumped gas flows back to the first cavity through the gas-liquid mixture inlet to form a cycle.

Description

Micro-negative pressure gas-water separator

Technical Field

The utility model belongs to the technical field of gas-water separators, and particularly relates to a micro-negative pressure gas-water separator.

Background

The gas-water separator is mainly used for separating gas from liquid in a liquid-containing system. The method is mainly applied to separation and recovery of condensed water of compressed air; separating condensed water in a steam pipeline; the inlet/outlet separation of the gas-liquid mixing part; separating and discharging condensed water in a vacuum system; separating condensed water after cooling the tower with water; geothermal steam separation, etc.

In the prior art, gas and liquid entering a gas-water separator need to flow through a water pump for pressurization, and when the gas and liquid enter the gas-water separator, a certain pressure is formed inside the gas-water separator, so that the gas and liquid can be subjected to a large back pressure when entering, and the gas-water separator cannot operate smoothly. The water supply for the water ring vacuum pump needs to be provided by a water supply pump, which firstly requires a certain cost and secondly consumes energy and has a certain failure rate. The water supply pump also adds an additional risk when the gas contains ethylene oxide (flammable and explosive).

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micro-negative pressure gas-water separator, and aims to solve the technical problem that a water ring vacuum pump needs a water supply pump when the gas-water separator works in the prior art.

In order to achieve the above object, an embodiment of the present invention provides a micro-negative pressure gas-water separator, which is applied to a water ring vacuum pump, where the water ring vacuum pump has a gas-liquid mixture outlet and a liquid inlet.

The micro-negative pressure gas-water separator comprises:

the box body is internally provided with a sealed first cavity and is provided with a plurality of side walls and a top wall, a plurality of water outlet holes are formed in the bottom of the side walls, and the water outlet holes are hermetically connected with the liquid inlet; the top of the side wall is provided with a plurality of gas-liquid mixture inlets which are hermetically connected with the gas-liquid mixture outlets. A first exhaust outlet is arranged on the top wall;

a first exhaust pipe having a first exhaust inlet and a first drain connection; the first exhaust gas inlet is hermetically connected with the first exhaust gas outlet; and

the drainage tube is provided with a second drainage connecting port, and the second drainage connecting port is hermetically connected with the first drainage connecting port; the flow rate of gas in the drainage tube is greater than that of the first exhaust pipe.

Specifically, the first exhaust pipe is also provided with an insertion section which is obliquely inserted into the drainage pipe towards the gas flowing direction in the drainage pipe and is connected with the second drainage connecting port in an airtight mode.

Preferably, the tank further has a first water level indicating hole and a second water level indicating hole, the first water level indicating hole being located below the gas-liquid mixture inlet, the second water level indicating hole being located between the first water level indicating hole and the water outlet. And two ends of a transparent water level indicating pipe are respectively connected with the first water level indicating hole and the second water level indicating hole in an airtight manner.

Specifically, this little negative pressure water separator still has a second blast pipe, the second blast pipe has a second exhaust inlet and a second exhaust outlet, second exhaust inlet connects airtightly first exhaust outlet, second exhaust outlet passes through the flange and connects airtightly first exhaust inlet.

Preferably, the tank body further has a water inlet hole between the first water level indicating hole and the second water level indicating hole.

Preferably, the first exhaust gas outlet has a cross-sectional area larger than the sum of cross-sectional areas of the gas-liquid mixture inlets.

Preferably, the material of the box body is 304 stainless steel.

Preferably, the first exhaust pipe is made of UPVC.

Preferably, the water outlet hole and the gas-liquid mixture inlet are located on different side walls.

Preferably, the number of the gas-liquid mixture inlets is plural.

One or more technical schemes in the micro-negative pressure gas-water separator provided by the embodiment of the utility model at least have one of the following technical effects:

water can be added through the water inlet hole, the water level display pipe is used for controlling the added water amount, the water flows into the liquid inlet through the water outlet hole to serve as working liquid of the water ring type vacuum pump, and the gas which is mixed and pumped back to the first cavity through the gas-liquid mixture inlet again to form a cycle. After the gas is pumped into the gas-liquid mixture inlet, the gas can be naturally separated due to gravity, and meanwhile, the high-speed gas flow in the drainage tube and the first exhaust tube form a Bernoulli effect, so that a certain negative pressure is formed in the first cavity, and the separation effect is better due to the existence of the negative pressure. The micro-negative pressure gas-water separator does not need to supply water additionally to the water ring vacuum pump during working, and has the advantages of reducing use cost and equipment failure rate and being easy to implement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Wherein, in the figures, the respective reference numerals:

FIG. 1 is a schematic front view of a micro-negative pressure gas-water separator provided in an embodiment of the present invention.

Fig. 2 is a schematic sectional view taken along line a-a shown in fig. 1.

Fig. 3 is a left side view schematically illustrating a micro-negative pressure gas-water separator according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. micro negative pressure gas-water separator, 2, the box, 3, first blast pipe, 4, the drainage tube, 5, transparent water level indicator, 6, the second blast pipe, 7, the gas flow direction is shown, 21, the lateral wall, 211, the lateral wall top, 212, the lateral wall bottom, 22, the roof, 23, the apopore, 24, the import of gas-liquid mixture, 25, first exhaust outlet, 26, first water level indicator hole, 27, the second water level indicator hole, 28, the inlet opening, 31, first exhaust inlet, 32, first drainage connector, 33, the insertion section, 41, the second drainage connector, 61, the import of second exhaust, 62, the export of second exhaust.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "side", "top", "bottom", "inclined", "upper", "lower", "between", and the like, for example, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In one embodiment of the present invention, as shown in fig. 1, a micro-negative pressure gas-water separator 1 is provided for use in a water ring vacuum pump having an outlet for a gas-liquid mixture and an inlet for a liquid. The micro-negative pressure gas-water separator 1 comprises: a box body 2, a first exhaust pipe 3 and a drainage pipe 4.

A first sealed cavity is formed in the box body 2, the box body 2 is provided with a plurality of side walls 21 and a top wall 22, a plurality of water outlet holes 23 are formed in the bottom 212 of the side walls, and the water outlet holes 23 are hermetically connected with the liquid inlet. The top 211 of the side wall is provided with a plurality of gas-liquid mixture inlets 24, and the gas-liquid mixture inlets 24 are hermetically connected with the gas-liquid mixture outlets. The top wall 22 is provided with a first exhaust outlet 25.

The first exhaust pipe 3 has a first exhaust gas inlet 31 and a first drain connection 32. The first exhaust gas inlet 31 is hermetically connected to the first exhaust gas outlet 25.

The drain tube 4 has a second drain connection port 41, and the second drain connection port 41 is hermetically connected to the first drain connection port 32. The flow rate of the gas in the drainage tube 4 is larger than that of the first exhaust tube 3. A certain amount of water can be stored in the first cavity, and the water can enter the liquid inlet through the water outlet and is used as working liquid of the water ring type vacuum pump. When the water-ring vacuum pump starts to pump air, the gas pumped from the sterilizing cabinet is mixed with the part of water and then enters the first cavity through the gas-liquid mixture inlet 24 to complete a cycle. The drainage tube 4 and the first exhaust pipe 3 are structurally combined to cooperate with high-speed airflow from an ethylene oxide analysis room in the drainage tube 4 to generate a Bernoulli effect, so that certain negative pressure is generated in the first cavity, on one hand, the separation between gas and water entering through the gas-liquid mixture inlet 24 is facilitated, on the other hand, the back pressure of the water ring type vacuum pump during working is reduced, and the equipment can run more smoothly.

In another embodiment of the present invention, as shown in fig. 1-2, the first exhaust pipe 3 of the micro-negative pressure steam-water separator 1 further has an insertion section 33, and the insertion section 33 is obliquely inserted into the exhaust pipe 4 toward the gas flowing direction in the exhaust pipe 4 and is hermetically connected to the second exhaust connection port 41. The first exhaust pipe 3 is inserted into the draft tube 4 at a certain angle, so that overflow can be prevented, and smooth exhaust can be realized. The connection mode can avoid the problem of large exhaust resistance when the air conditioner is vertically arranged.

In another embodiment of the present invention, as shown in fig. 1, the box body 2 of the micro-negative pressure gas-water separator 1 further has a first water level indicating hole 26 and a second water level indicating hole 27, the first water level indicating hole 26 is located below the gas-liquid mixture inlet 24, and the second water level indicating hole 27 is located between the first water level indicating hole 26 and the water outlet 23. A transparent water level indicating pipe 5 is hermetically connected at both ends thereof to the first water level indicating hole 26 and the second water level indicating hole 27, respectively. The water level indicating pipe is arranged in such a way, firstly, the water level in the first cavity can be displayed, secondly, the first water level display hole can prevent the highest water level from overflowing the gas-liquid mixture inlet 24 due to misoperation, and the second water level display hole can ensure that enough water still can enter the water ring vacuum pump at the lowest water level to serve as working liquid, so that the normal operation of equipment is guaranteed.

In another embodiment of the present invention, as shown in fig. 1, the micro-negative pressure gas-water separator 1 further comprises a second exhaust pipe 6, wherein the second exhaust pipe 6 comprises a second exhaust inlet 61 and a second exhaust outlet 62, the second exhaust inlet 61 is connected with the first exhaust outlet 25 in an airtight manner, and the second exhaust outlet 62 is connected with the first exhaust inlet 31 in an airtight manner through a flange. Increase the benefit of second blast pipe 6 makes wholly little negative pressure water separator 1 easily removes, need not with carry out the operation of relieving the connection between drainage tube 4, work as drainage tube 4 can avoid hindering gas treatment system's normal operating when being responsible for the use of one set of gas treatment system, also can avoid because of the dismouting little negative pressure water separator 1 damages drainage tube 4. In another embodiment of the present invention, the first exhaust pipe 3 has a valve which can be disassembled without interfering with the normal operation of the drainage pipe 4 when the micro-negative pressure gas-water separator 1 is disassembled.

In another embodiment of the present invention, as shown in fig. 2-3, the box body 2 of the micro-negative pressure gas-water separator 1 further has a water inlet hole 28, and the water inlet hole 28 is located between the first water level indicating hole 26 and the second water level indicating hole 27. The inlet opening 28 can be for make-up water when first cavity is used for the first time, also can supply in time because of reasons such as evaporation when equipment moves the lost liquid, through with transparent water level indicator 5's cooperation has the guarantee micro negative pressure gas-water separator 1 normal operating's advantage.

In another embodiment of the present invention, as shown in fig. 1, the cross-sectional area of the first exhaust outlet 25 of the micro-negative pressure gas-water separator 1 is larger than the sum of the cross-sectional areas of all the gas-liquid mixture inlets 24. The water ring vacuum pump has the advantages of guaranteeing smooth proceeding of the exhaust process, and also preventing the first exhaust outlet 25 from being too small to enable pumped gas to generate back pressure to the water ring vacuum pump in the first cavity, so that the smooth proceeding of the exhaust process is guaranteed.

In another embodiment of the present invention, as shown in fig. 1-3, the box body 2 of the micro-negative pressure gas-water separator 1 is made of 304 stainless steel. The 304 stainless steel has good heat conductivity, corrosion resistance, heat resistance, low-temperature strength and mechanical characteristics, is beneficial to manufacturing the micro-negative pressure gas-water separator 1, is also beneficial to transferring heat generated by the water ring type vacuum pump during working to the box body 2 through water, dissipates heat in time and ensures normal operation. And simultaneously, the device is favorable for preventing the repeated use and the influence on ethylene oxide gas and water byproducts thereof caused by the phenomenon of rusting after long-time use.

In another embodiment of the present invention, as shown in fig. 1 to 3, the material of the first exhaust pipe 3 of the micro-negative pressure gas-water separator 1 is UPVC. UPVC is acid and alkali resistant, corrosion resistant, rust resistant, belongs to a flame retardant material, and has stable chemical properties. Meanwhile, the anti-corrosion, anti-aging and wear-resistant composite material is good in corrosion resistance, anti-aging and wear resistance, and can be stably used for a long time, so that the replacement and maintenance frequency is reduced, the operation cost and the natural loss of materials are reduced, the long-term use is facilitated, and the safety and the reliability in use are also improved.

In another embodiment of the present invention, as shown in fig. 1-2, the water outlet 23 and the gas-liquid mixture inlet 24 of the micro-negative pressure gas-water separator 1 are located on different side walls 21. Be provided with like this and do benefit to rational distribution air current and rivers in the first cavity can avoid following the bubble that the rivers that the gas-liquid mixture import 24 got into impacted the surface of water and roll that produces is followed apopore 23 gets into water ring vacuum pump and influence normal operating. The distribution on different side walls 21 can also make the overall structural strength of the micro-negative pressure gas-water separator 1 better, and avoid excessive holes and access pipelines on one side surface.

In another embodiment of the present invention, as shown in fig. 1-2, the number of the gas-liquid mixture inlets 24 of the micro-negative pressure gas-water separator 1 is multiple, and the multiple gas-liquid mixture inlets 24 are arranged at intervals along a straight line. Specifically, the number of the gas-liquid mixture inlets 24 may be 2 to 10. The plurality of gas-liquid mixture inlets 24 increase the surface area of the gas-liquid mixture entering the first cavity, are beneficial to heat dissipation and gas-liquid separation, and simultaneously avoid the phenomenon that the impact force of liquid entering from a single gas-liquid mixture inlet 24 is too large to interfere with the normal operation of equipment, and can also reduce noise.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A micro-negative pressure gas-water separator is applied to a water ring vacuum pump, and the water ring vacuum pump is provided with a gas-liquid mixture outlet and a liquid inlet; it is characterized in that the preparation method is characterized in that,

the micro-negative pressure gas-water separator comprises:

the box body is internally provided with a sealed first cavity and is provided with a plurality of side walls and a top wall, a plurality of water outlet holes are formed in the bottom of the side walls, and the water outlet holes are hermetically connected with the liquid inlet; the top of the side wall is provided with a plurality of gas-liquid mixture inlets which are hermetically connected with the gas-liquid mixture outlets; a first exhaust outlet is arranged on the top wall;

2. The micro-negative pressure gas-water separator according to claim 1, wherein the first exhaust pipe further has an insertion section which is inserted into the drainage pipe obliquely to a gas flow direction in the drainage pipe and is connected with the second drainage connection port in an airtight manner.

3. The micro-negative pressure gas-water separator according to claim 1, wherein the tank further has a first water level indicating hole and a second water level indicating hole, the first water level indicating hole is located below the gas-liquid mixture inlet, and the second water level indicating hole is located between the first water level indicating hole and the water outlet; and two ends of a transparent water level indicating pipe are respectively connected with the first water level indicating hole and the second water level indicating hole in an airtight manner.

4. The micro-negative pressure gas-water separator as claimed in claim 1, further comprising a second exhaust pipe having a second exhaust inlet and a second exhaust outlet, wherein the second exhaust inlet is connected to the first exhaust outlet in an airtight manner, and the second exhaust outlet is connected to the first exhaust inlet in an airtight manner via a flange.

5. The micro-negative pressure gas-water separator as claimed in claim 1, wherein the box body further has a water inlet hole, and the water inlet hole is located between the first water level indicating hole and the second water level indicating hole.

6. The micro-negative pressure gas-water separator according to claim 1, wherein the cross-sectional area of the first exhaust outlet is larger than the sum of the cross-sectional areas of the gas-liquid mixture inlets.

7. The micro-negative pressure gas-water separator according to any one of claims 1 to 6, wherein the box body is made of 304 stainless steel.

8. The micro-negative pressure gas-water separator according to any one of claims 1 to 6, wherein the first exhaust pipe is made of UPVC.

9. The micro-negative pressure gas-water separator according to any one of claims 1 to 6, wherein the water outlet hole and the gas-liquid mixture inlet are located on different side walls.

10. The micro-negative pressure gas-water separator according to any one of claims 1 to 6, wherein the number of the gas-liquid mixture inlets is plural.