CN215232954U - Vacuum pumping system - Google Patents
Vacuum pumping system Download PDFInfo
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- CN215232954U CN215232954U CN202023161002.9U CN202023161002U CN215232954U CN 215232954 U CN215232954 U CN 215232954U CN 202023161002 U CN202023161002 U CN 202023161002U CN 215232954 U CN215232954 U CN 215232954U
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Abstract
The utility model relates to a vacuum pumping system, which comprises a first storage tank, a second storage tank and a vacuum pump, wherein the first storage tank is filled with absorption liquid, and the amount of the absorption liquid is less than the volume of the first storage tank; the first storage tank comprises an air inlet and an air outlet, the air inlet and the air outlet are positioned above the liquid level, the air inlet is provided with an air inlet pipe, and the air inlet pipe extends to the position below the liquid level; the second storage tank comprises a pressure stabilizing port, and the second storage tank is connected with the first storage tank and is used for receiving the gas extracted from the first storage tank; the vacuum pump is connected with the second storage tank and used for pumping gas in the second storage tank to form negative pressure. The series design of the first storage tank, the second storage tank and the vacuum pump is adopted, so that the problem that the ejector cannot provide enough negative pressure is solved, and the problem that the filter plate filters gas insufficiently is solved; the design of the porous spray head and the circulating pump is adopted, so that the problem of insufficient impurity filtering and absorption of harmful gas and electrolytic powder is solved.
Description
Technical Field
The utility model relates to a chemical production field, more specifically relates to an evacuation system.
Background
A vacuum ladle is a turnover device commonly used in metallurgical industry, which is a large sealed container made of refractory material with an inner lining made of steel shell, a certain vacuum degree is generated in the ladle by a negative pressure generating device arranged on the vacuum ladle so as to extract smelted liquid aluminum, magnesium and other metals from an electrolytic bath and transport the liquid aluminum, magnesium and other metals to other places, the negative pressure generating device is an ejector, the side part of the ejector is communicated with the top of a ladle cover, an inlet is communicated with an air pipe when the ejector is used, but liquid smoke in the vacuum ladle is extracted when the ejector blows air and is discharged from an outlet of the ejector, and the liquid smoke is directly discharged into the atmosphere, pollutes the working environment and corrodes surrounding equipment.
In order to solve the problems, the prior patent CN202020029956.5 discloses an aluminum liquid vacuum ladle smoke exhaust device, which comprises a main body component, wherein the main body component comprises a smoke exhaust pipe, an electrolytic cell, a shell, a negative pressure air pipe, a filter screen plate, an ejector and a first switch. Although the problems can be solved, the magnesium produced in the 700 ℃ molten state needs to be transported by using a negative pressure ladle, the requirement on negative pressure is high, and an ejector cannot provide enough negative pressure; the mode of using the filter plate to filter gas is insufficient to filter gas, and the cost is higher.
Therefore, how to prevent the liquid smoke in the vacuum ladle from being extracted when the ejector blows air, and the defects in the prior art can be overcome, so that the problem to be solved is needed urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a vacuum pumping system, which includes a first storage tank 1, a second storage tank 2 and a vacuum pump 3, wherein the first storage tank 1 is loaded with an absorption liquid, and the amount of the absorption liquid is smaller than the volume of the first storage tank 1; the first storage tank 1 comprises an air inlet 11 and an air outlet 12, wherein the air inlet 11 and the air outlet 12 are positioned above the liquid level, the air inlet 11 is provided with an air inlet pipe 111, and the air inlet pipe 111 extends to the position below the liquid level; the second storage tank 2 comprises a pressure stabilizing port 21, and the second storage tank 2 is connected with the first storage tank 1 and is used for receiving the gas extracted from the first storage tank 1; the vacuum pump 3 is connected with the second storage tank 2 and used for pumping the gas in the second storage tank 2 to form negative pressure.
According to the utility model discloses an embodiment, intake pipe 111 port is provided with porous shower nozzle 4 for spray gaseous multi-angle.
According to the utility model discloses an embodiment, porous shower nozzle 4 is the regular dodecahedron, and one side and pipe connection all have all eleven faces to be equipped with nozzle 41, nozzle 41 is perpendicular with the face.
According to an embodiment of the present invention, the first storage tank 1 further comprises a first valve 13, a second valve 14 and a circulation pump 15, wherein the first valve 13 is installed on the outer wall of the first storage tank 1 and is used for controlling the flow of the liquid entering the first storage tank 1; the second valve 14 is installed on the outer wall of the first storage tank 1 and is located below the liquid level in the first storage tank 1, and is used for controlling the flow rate of the liquid discharged from the first storage tank 1; the circulation pump 15 is disposed outside the first storage tank 1 between the first valve 13 and the second valve 14.
According to the utility model discloses an embodiment, the liquid is the pure water in the first storage tank 1.
According to the utility model discloses an embodiment, 3 inlet openings of vacuum pump are equipped with the manometer.
According to the utility model discloses an embodiment, vacuum pump 3 is still parallelly connected to be provided with the second vacuum pump, for reserve vacuum pump 3.
In the utility model, because the series design of the first storage tank, the second storage tank and the vacuum pump is adopted, enough negative pressure is provided, and the problem that the ejector cannot suck out gas for magnesium liquid requiring higher negative pressure is solved; the mode of storing the liquid in the first storage tank is adopted, so that the problems of insufficient filtered gas and higher cost in the mode of filtering the gas by using a filter plate are solved; the design of the porous spray head is adopted, so that the gas is sprayed out in a multi-angle large range, the contact area between the gas and liquid in the first storage tank is increased, harmful gas and electrolytic powder impurities in the gas are better filtered and absorbed, and the problem of insufficient filtering and absorption of the harmful gas and the electrolytic powder impurities is solved; the design of first valve, second valve and circulating pump has been adopted for liquid flow increases, and harmful gas and electrolytic powder impurity have been solved to better liquid ability filtration absorption messenger in the gas problem insufficient with the filtration absorption of electrolytic powder impurity.
Drawings
FIG. 1 shows a schematic view of an evacuation system;
FIG. 2 shows a schematic view of a multi-orifice showerhead of an evacuation system;
fig. 3 shows a schematic view of an evacuation system with circulation.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also fall within the scope of the claims.
Fig. 1 shows a schematic view of an evacuation system.
As shown in fig. 1, a vacuum pumping system comprises a first storage tank 1, a second storage tank 2 and a vacuum pump 3, wherein the first storage tank 1 is filled with an absorption liquid, and the amount of the absorption liquid is less than the volume of the first storage tank 1; the first storage tank 1 comprises an air inlet 11 and an air outlet 12, wherein the air inlet 11 and the air outlet 12 are positioned above the liquid level, the air inlet 11 is provided with an air inlet pipe 111, and the air inlet pipe 111 extends to the position below the liquid level; the second storage tank 2 comprises a pressure stabilizing port 21, and the second storage tank 2 is connected with the first storage tank 1 and is used for receiving the gas extracted from the first storage tank 1; the vacuum pump 3 is connected with the second storage tank 2 and used for pumping the gas in the second storage tank 2 to form negative pressure.
The first storage tank 1 is a sealed container for storing liquid or gas, the liquid is stored in the first storage tank 1 and is used for filtering gas entering from the gas inlet 11, then the gas is filtered by the liquid and discharged from the gas outlet 12, the first storage tank 1 can adopt one or a combination of more than two of a square shape, a spherical shape, a columnar shape and the like, for example, the first storage tank adopts a cylindrical shape, has a large volume and a large water storage capacity, enables the periphery to bear a uniform water pressure, and has the smallest stress on the tank wall under the same water level height.
The second storage tank 2 is a sealed container for storing gas, and is used for adjusting the stored gas to a certain pressure, because the vacuum pump 3 has large pumping force and needs a transitional space, the pumping pressure of the vacuum pump 3 is convenient to control by adopting the form of the second storage tank 2, the second storage tank 2 can adopt one or the combination of more than two of square, spherical and columnar shapes, for example, the second storage tank adopts a cylindrical shape, has large volume and large water storage capacity, can prevent local overheating, enables the surrounding water pressure to be uniform, and has the smallest stress on the tank wall under the same water level height.
The pressure stabilizing port 21 of the second storage tank 2 is an interface of the second storage tank 2 for communicating with the outside, and is used for controlling the air pressure in the second storage tank 2, and when the negative pressure in the second storage tank 2 is too large, the pressure stabilizing port 21 is opened, so that air enters the pipe, and the pressure in the tank is adjusted.
The vacuum pump 3 is a device or equipment for obtaining a vacuum by mechanically, physically, chemically or physico-chemically pumping a pumped container, and is a device for improving, generating and maintaining a vacuum in a closed space by various methods, the vacuum pump 3 is used for pumping the first storage tank 1 and the second storage tank 2 connected in series to a vacuum state, and the vacuum pump 3 may be one of a dry screw vacuum pump 3, a water ring pump, a reciprocating pump, a slide valve pump, and the like.
When the system shown in fig. 1 is operated, the air inlet 11 of the first storage tank 1 is connected with the vacuum ladle exhaust hole, the exhaust port 12 of the first storage tank 1 is connected with the second storage tank 2, the first storage tank 1 receives the gas exhausted by the vacuum ladle, a certain amount of liquid is contained in the first storage tank 1, the liquid height is matched with the pressure in normal operation,
in the utility model, due to the adoption of the series design of the first storage tank 1, the second storage tank 2 and the vacuum pump 3, sufficient negative pressure is provided, and the problem that the ejector cannot suck out gas from the molten magnesium liquid requiring higher negative pressure requirement in a melting state is solved; adopt the mode of first storage tank 1 internal storage liquid, solved the mode that the filter gas used the filter plate, filtered gas is not enough, and the higher problem of cost.
FIG. 2 shows a schematic view of a multi-orifice showerhead of a vacuum pumping system.
As shown in FIG. 2, the porous nozzle 4 is provided with a porous nozzle 4 at the end of the gas inlet pipe 111 for injecting gas at multiple angles.
The porous sprayer 4 is an appliance which is made of metal and has a three-dimensional structure, the outer surface of the porous sprayer 4 is provided with a plurality of nozzles 41 in different directions, so that a gas medium can be sprayed out from the sprayer from a plurality of angles, the interior of the sprayer is of a hollow structure and is used for transmitting the gas medium, the porous sprayer 4 is made of metal, and can be made of one of aluminum, copper, steel, aluminum alloy and the like, for example, the steel is adopted, so that the porous sprayer has excellent corrosion resistance, formability and toughness.
When the sprayer shown in fig. 2 operates, the gas medium enters the porous sprayer 4 through the port of the gas inlet pipe 111, the gas medium is sprayed out from a plurality of nozzles 41 arranged on the surface of the porous sprayer 4 at multiple angles, the sprayed gas medium is fully contacted with the liquid in the first storage tank 1, and the hydrogen chloride, chlorine and electrolytic powder impurities contained in the gas medium are dissolved in the liquid and are filtered and absorbed by the liquid.
The utility model discloses in, owing to adopted the design of porous shower nozzle 4 for the multi-angle is on a large scale in the time of gas blowout, increased with the area of contact of first storage tank 1 interior liquid, harmful gas and electrolysis powder impurity are filtered and absorbed in the better messenger's gas, have solved the problem that harmful gas and electrolysis powder impurity filtering absorption are insufficient.
Fig. 3 shows a schematic view of an evacuation system with circulation.
As shown in fig. 3, in the vacuum pumping system with a circulation function, the first storage tank 1 further includes a first valve 13, a second valve 14 and a circulation pump 15, the first valve 13 is installed on an outer wall of the first storage tank 1 and is used for controlling a flow rate of liquid entering the first storage tank 1; the second valve 14 is installed on the outer wall of the first storage tank 1 and is located below the liquid level in the first storage tank 1, and is used for controlling the flow rate of the liquid discharged from the first storage tank 1; the circulation pump 15 is disposed outside the first storage tank 1 between the first valve 13 and the second valve 14.
The first valve 13 may be one of a ball valve, a stop valve, a gate valve, a check valve, a plug valve, a plunger valve, etc., for example, a check valve that allows the medium to flow in only one direction and prevents the medium from flowing in the opposite direction, so as to control the flow rate of the liquid into the first tank 1.
The second valve 14 may be one of a ball valve, a stop valve, a gate valve, a check valve, a plug valve, a plunger valve, etc., for example, a bellows seal stop valve, a double seal design to avoid leakage, and is durable and durable for controlling the outflow rate of the liquid in the first storage tank 1.
The circulating pump 15 may be one of a brushed direct-current hot water circulating pump 15, a brushless direct-current hot water circulating pump 15 (motor type), a brushless direct-current hot water circulating pump 15 (magnetic drive isolated type), and the like, for example, the brushless direct-current hot water circulating pump 15 (magnetic drive isolated type) is used, and has a long service life, low noise, complete water resistance, and is used for conveying the liquid flowing out of the second valve 14 to the first valve 13 after being pressurized.
The utility model discloses in, owing to adopted first valve 13, second valve 14 and circulating pump 15's design, make liquid mobility increases in the first storage tank 1 for harmful gas and electrolytic powder impurity in the filtration absorption messenger gas that liquid can be better have solved the insufficient problem of harmful gas and electrolytic powder impurity filtration absorption.
In practical application, the spray head is a regular dodecahedron, one surface of the spray head is connected with the pipeline, the rest eleven surfaces are provided with the nozzles 41, and the nozzles 41 are perpendicular to the surfaces.
In practical application, the liquid in the first storage tank 1 is pure water.
Wherein, in practical application, the air inlet outlet of the vacuum pump 3 is provided with a pressure gauge.
In practical application, the vacuum pump 3 is further provided with a second vacuum pump in parallel, and the second vacuum pump is a standby vacuum pump 3.
In the utility model, because the series design of the first storage tank, the second storage tank and the vacuum pump is adopted, enough negative pressure is provided, and the problem that the ejector cannot suck out gas for magnesium liquid requiring higher negative pressure is solved; the mode of storing the liquid in the first storage tank is adopted, so that the problems of insufficient filtered gas and higher cost in the mode of filtering the gas by using a filter plate are solved; the design of the porous spray head is adopted, so that the gas is sprayed out in a multi-angle large range, the contact area between the gas and liquid in the first storage tank is increased, harmful gas and electrolytic powder impurities in the gas are better filtered and absorbed, and the problem of insufficient filtering and absorption of the harmful gas and the electrolytic powder impurities is solved; the design of first valve, second valve and circulating pump has been adopted for liquid flow increases, and harmful gas and electrolytic powder impurity have been solved to better liquid ability filtration absorption messenger in the gas problem insufficient with the filtration absorption of electrolytic powder impurity.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (7)
1. A vacuum-pumping system is characterized by comprising a first storage tank (1), a second storage tank (2) and a vacuum pump (3),
the first storage tank (1) is filled with absorption liquid, and the amount of the absorption liquid is less than the volume of the first storage tank (1);
the first storage tank (1) comprises an air inlet (11) and an air outlet (12), the air inlet (11) and the air outlet (12) are located above the liquid level, an air inlet pipe (111) is arranged at the air inlet (11), and the air inlet pipe (111) extends to the position below the liquid level;
the second storage tank (2) comprises a pressure stabilizing port (21), the second storage tank (2) is connected with the first storage tank (1) and is used for receiving gas extracted from the first storage tank (1);
the vacuum pump (3) is connected with the second storage tank (2) and used for pumping gas in the second storage tank (2) to form negative pressure.
2. An evacuating system according to claim 1, characterized in that the inlet pipe (111) is ported with a multi-hole nozzle (4) for injecting gas at multiple angles.
3. An evacuation system according to claim 2, wherein the porous nozzle (4) is a regular dodecahedron, one side of which is connected to the pipe, and the remaining eleven sides of which are provided with nozzles (41), the nozzles (41) being perpendicular to the surface.
4. An evacuation system according to claim 1, wherein the first tank (1) further comprises a first valve (13), a second valve (14) and a circulation pump (15),
the first valve (13) is arranged on the outer wall of the first storage tank (1) and used for controlling the flow of liquid entering the first storage tank (1);
the second valve (14) is arranged on the outer wall of the first storage tank (1) and is positioned below the liquid level in the first storage tank (1) and used for controlling the flow of the liquid discharged from the first storage tank (1);
the circulation pump (15) is arranged outside the first storage tank (1) and between the first valve (13) and the second valve (14).
5. An evacuation system according to claim 1, wherein the liquid in the first tank (1) is purified water.
6. An evacuation system according to claim 1, wherein a pressure gauge is provided at the air inlet of the vacuum pump (3).
7. An evacuation system according to claim 1, wherein the vacuum pump (3) is further provided with a second vacuum pump in parallel, being a back-up vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161002.9U CN215232954U (en) | 2020-12-24 | 2020-12-24 | Vacuum pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161002.9U CN215232954U (en) | 2020-12-24 | 2020-12-24 | Vacuum pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215232954U true CN215232954U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023161002.9U Active CN215232954U (en) | 2020-12-24 | 2020-12-24 | Vacuum pumping system |
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| CN (1) | CN215232954U (en) |
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- 2020-12-24 CN CN202023161002.9U patent/CN215232954U/en active Active
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