CN218780492U - Roots vacuum pump's online recovery system that drains - Google Patents
Roots vacuum pump's online recovery system that drains Download PDFInfo
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- CN218780492U CN218780492U CN202221419148.5U CN202221419148U CN218780492U CN 218780492 U CN218780492 U CN 218780492U CN 202221419148 U CN202221419148 U CN 202221419148U CN 218780492 U CN218780492 U CN 218780492U
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- roots vacuum
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Abstract
The application discloses roots vacuum pump's online recovery system that drains, it includes: one end of the water delivery pipe is connected with the inlet of the Roots vacuum pump; the water storage part is connected with one end of the water delivery pipe, which is far away from the Roots vacuum pump, and is used for storing accumulated water; and the recovery part is connected with the water storage part and is used for recovering the accumulated water stored in the water storage part. This application can be under the condition of the roots vacuum pump unit of incessantly transporting, retrieve roots vacuum pump's ponding, not only saved a series of measures such as roots vacuum pump outage, isolation, service, can also improve roots vacuum pump's operational environment, make the unit effectively maintain high vacuum.
Description
Technical Field
The application relates to the technical field of roots vacuum pumps, in particular to an online water drainage recovery system of a roots vacuum pump.
Background
The Roots vacuum pump is tested for long-term operation on devices such as petroleum, chemical engineering, plastics, pesticides, dynamic balance of a steam turbine rotor, aerospace space simulation and the like, and therefore, the Roots vacuum pump is expected to be widely popularized and applied in China. And can be widely used in petroleum, chemical, metallurgy, textile and other industries.
For example, in the application of the pump in steam turbine power generation, in order to improve the air extraction rate and meet the working requirements of higher conditions, a plurality of roots vacuum pumps are combined to be used as a unit in production, for example, in the prior art, a roots vacuum pump unit is provided with four high-power vacuum pumps and two low-power vacuum pumps, and the two low-power vacuum pump units are operated to maintain the vacuum of the unit in normal operation.
However, when the unit runs under high load, a large amount of steam is generated at the inlet pipeline of the Roots vacuum pump, and the steam cannot be pumped away in time, so that accumulated water is formed in the pipeline by cooling.
Disclosure of Invention
For the difficult problem of handling of ponding that improves among the prior art roots vacuum pump and produce, this application provides a roots vacuum pump's online recovery system that drains.
In order to achieve the purpose, the technical scheme is as follows:
the application provides a roots vacuum pump's online recovery system that drains includes:
one end of the water delivery pipe is connected with an inlet of the Roots vacuum pump;
the water storage part is connected with one end of the water delivery pipe, which is far away from the Roots vacuum pump, and is used for storing accumulated water;
and the recovery part is connected with the water storage part and is used for recovering the accumulated water stored in the water storage part.
In some embodiments, the recovery section comprises:
the condenser is used for recovering accumulated water;
the water jet air ejector is connected with the water storage part and the condenser and used for supplying the accumulated water in the water storage part into the condenser;
and the condensate pump is connected with the water jet air extractor and is used for providing pressure water for the water jet air extractor.
In some embodiments, the water storage part is provided as a water storage tank, and at least two water level measuring points are arranged in the water storage tank.
In some embodiments, a first electromagnetic valve is arranged between the water storage part and the water jet air extractor, the first electromagnetic valve is opened when the accumulated water in the water storage tank reaches the highest water level measuring point, and the first electromagnetic valve is closed when the accumulated water in the water storage tank reaches the lowest water level measuring point.
In some embodiments, a second electromagnetic valve is arranged between the water jet ejector and the condensate pump, the second electromagnetic valve is opened when the accumulated water in the water storage tank reaches the highest water level measuring point, and the second electromagnetic valve is closed when the accumulated water in the water storage tank reaches the lowest water level measuring point.
In some embodiments, a first manual valve is disposed on the water pipe, a second manual valve is disposed between the water storage portion and the water jet air ejector, a third manual valve is disposed between the water jet air ejector and the condenser, and a fourth manual valve is disposed between the water jet air ejector and the condensate pump.
In some embodiments, the water storage tank is further provided with a drain pipe in a connected manner, and the drain pipe is provided with a fifth manual valve.
Compared with the prior art, the technical scheme of the application has the following technical effects:
through setting up water storage portion and recovery unit, can retrieve roots vacuum pump's ponding under the condition of incessantly transporting roots vacuum pump unit, not only saved a series of measures such as roots vacuum pump outage, isolation, in service, can also improve roots vacuum pump's operational environment, make the unit effectively maintain high vacuum.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an exemplary embodiment of the present application
Reference numerals:
1. a water delivery pipe; 2. a water storage part; 31. a condenser; 32. a water jet air extractor; 33. a condensate pump; 41. a first solenoid valve; 42. a second solenoid valve; 51. a first manual valve; 52. a second manual valve; 53. a third manual valve; 54. a fourth manual valve; 55. a fifth manual valve; 56. a sixth manual valve; 6. a pressurized water supply bypass.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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 present application, "a plurality" means two or more unless otherwise specified.
As indicated by the background technology, when the unit runs under high load, a large amount of steam can be generated at the inlet pipeline of the Roots vacuum pump, and the steam can not be pumped away in time, so that accumulated water is formed in the pipeline in a cooling mode.
In order to improve the above problem, the present application provides an online water discharge recovery system of a roots vacuum pump, which is suitable for a steam turbine power generation system, and with reference to fig. 1, the online water discharge recovery system mainly includes: raceway 1, water storage portion 2 and recovery unit, raceway 1 are arranged in carrying the ponding of roots vacuum pump department to water storage portion 2, and as the name suggests, water storage portion 2 is used for storing ponding, and the recovery unit is used for retrieving ponding.
Referring to fig. 1, in an exemplary embodiment, a water pipe 1 is disposed between the roots vacuum pump and the water storage portion 2, one end of the water pipe 1 is connected to the water storage portion 2, one end of the water pipe away from the water storage portion 2 is provided with a plurality of branches, the number of the branches is equal to the number of the roots vacuum pumps, and each branch is connected to an inlet of one roots vacuum pump, so that accumulated water of the roots vacuum pump can be delivered into the water storage portion 2.
In the exemplary embodiment, the water storage part 2 is configured as a closed tank structure, specifically 1.2m high and 2m in volume 3 The tank body is also provided with an exhaust valve, a turning plate water level meter is arranged in the water storage part 2, a first water level measuring point is arranged at a position with a height of 80cm in the water storage part 2, a second water level measuring point is arranged at a position with a height of 20cm in the water storage part 2, and in some embodiments, the water level measuring points in the water storage part 2 can be additionally arranged to meet the requirements in different production processes.
The recovery section specifically includes: the water jet air extractor 32 is an energy-saving product aiming at the vacuum of the condenser 31 and has the advantages of strong suction capacity, large safety margin and low power consumption of a motor, the water jet air extractor 32 is connected with the condenser 31 through a pipeline and is used for supplying the accumulated water in the water storage part 2 into the condenser 31, and the condensed water pump 33 is connected with the water jet air extractor 32 through a pipeline and is used for providing pressure water for the water jet air extractor 32. In the exemplary embodiment, the condensed water is supplied into the expansion chamber of the water jet air ejector 32 under pressure, the flow rate of the water is increased, a higher vacuum is formed in the expansion chamber, meanwhile, the water jet air ejector 32 sucks the accumulated water in the water storage part 2 through the air extraction opening, and finally the accumulated water is supplied into the condenser 31, and the condenser 31 can discharge the accumulated water and the condensed water into the boiler for reuse, thereby completing the accumulated water recovery process.
In an exemplary embodiment, a first electromagnetic valve 41 is arranged between the water storage portion 2 and the water jet air ejector 32, a second electromagnetic valve 42 is arranged between the water jet air ejector 32 and the condensate pump 33, and with reference to the water level measuring point in the water storage portion 2, when the accumulated water in the water storage portion reaches the first water level measuring point, the first electromagnetic valve 41 and the second electromagnetic valve 42 are opened, and when the accumulated water in the water storage portion reaches the second water level measuring point, the first electromagnetic valve 41 and the second electromagnetic valve 42 are closed, so that the automatic accumulated water recovery process of the present application is realized.
Further, in the exemplary embodiment, the water pipe 1 is provided with a first manual valve 51 for controlling the accumulated water in each roots vacuum pump to enter the water storage portion 2, a second manual valve 52 for controlling the accumulated water in the water storage portion 2 to flow to the water jet pump 32 is provided between the water storage portion 2 and the water jet pump 32, a third manual valve 53 for controlling the water flow in the pump to flow to the condenser 31 is provided between the water jet pump 32 and the condensate pump 33, and a fourth manual valve 54 for controlling the pressure water flow in the condensate pump 33 to flow to the water jet pump 32 is provided between the condensate pump 33 and the condensate pump 32, so that when the water jet pump 32 fails, the first manual valve 51 is opened, the second manual valve 52, the third manual valve 53 and the fourth manual valve 54 are closed, the accumulated water generated at the vacuum pump can be temporarily stored in the water storage portion 2, and when the water jet pump 32 can normally operate, the second manual valve 52, the third manual valve 53 and the fourth manual valve 54 are opened, and the recovery portion can continue to complete the automatic recovery process.
Furthermore, a drain pipe is connected to the bottom of the water storage part 2, and a fifth manual valve 55 is disposed on the drain pipe, so that when the water ejector 32 fails and water is accumulated in the water storage part 2 too much, the fifth manual valve 55 can be opened to drain the accumulated water in the water storage part 2, and in order to prevent water leakage, two fifth manual valves 55 are disposed in the exemplary embodiment.
Further, in order to prevent the pressurized water of the condensate pump 33 from being unable to be supplied to the waterjet ejector 32 due to the failure of the fourth manual valve 54 or the second electromagnetic valve 42, a pressurized water supply bypass 6 is further provided between the condensate pump 33 and the waterjet ejector 32, the pressurized water supply bypass 6 is provided with a sixth manual valve 56, and the sixth manual valve 56 is normally in a closed state.
In summary, the present application has a drainage mode and a water collection mode, in the drainage mode, the first manual valve 51, the second manual valve 52, the third manual valve 53 and the fourth manual valve 54 are in an open state, the fifth manual valve 55 and the sixth manual valve 56 are in a closed state, accumulated water at the roots vacuum pump is delivered into the water storage part 2, the water level in the water storage part 2 rises, when the water level in the water storage part 2 reaches 80cm, the first electromagnetic valve 41 and the second electromagnetic valve 42 are opened, pressure water flows into the expansion chamber of the water injection air ejector 32, the flow rate of the water rises to expand the volume to form a higher vacuum, the water injection air ejector 32 sucks water in the water storage part 2 through the air extraction opening, and finally recovers the water to the condenser 31, and the condenser 31 can discharge the accumulated water and the condensed water into the boiler for reuse, thereby completing the recovery process of the accumulated water; when the water level of the water storage tank is reduced to 20cm, the first electromagnetic valve 41 and the second electromagnetic valve 42 are closed, the water storage part 2 continues to store accumulated water, and the water collection mode is adopted.
When the water jet air ejector 32 has a fault, the first manual valve 51 is opened, the second manual valve 52, the third manual valve 53 and the fourth manual valve 54 are closed, accumulated water generated at the Roots vacuum pump can be temporarily stored in the water storage part 2, when the water jet air ejector 32 can normally work, the second manual valve 52, the third manual valve 53 and the fourth manual valve 54 are opened, and the recovery part can continuously complete the automatic accumulated water recovery process; when the fourth manual valve 54 or the second solenoid valve 42 fails such that the pressurized water of the condensate pump 33 cannot be supplied to the waterjet ejector 32, the sixth manual valve 56 is opened and the pressurized water of the condensate pump 33 is allowed to flow from the pressurized-water supply bypass 6 into the waterjet ejector 32.
Through setting up this application, can retrieve roots vacuum pump's ponding under the condition of incessantly transporting roots vacuum pump unit, not only save a series of measures such as roots vacuum pump outage, isolation, service, can also improve roots vacuum pump's operational environment, make the unit effectively maintain high vacuum.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an online recovery system that drains of roots vacuum pump which characterized in that includes:
one end of the water delivery pipe (1) is connected with the inlet of the Roots vacuum pump;
the water storage part (2) is connected with one end of the water delivery pipe (1) far away from the Roots vacuum pump and is used for storing accumulated water;
and the recovery part is connected with the water storage part (2) and is used for recovering the accumulated water stored in the water storage part (2).
2. The on-line discharge water recovery system of a roots vacuum pump according to claim 1, wherein the recovery portion comprises:
a condenser (31) for recovering the accumulated water;
the water jet air ejector (32) is connected with the water storage part (2) and the condenser (31) and is used for feeding accumulated water in the water storage part (2) into the condenser (31);
and the condensate pump (33) is connected with the water jet air ejector (32) and is used for providing pressure water for the water jet air ejector (32).
3. An on-line discharge water recovery system of a Roots vacuum pump according to claim 2, wherein the water storage part (2) is provided as a water storage tank, and at least two water level measuring points are provided in the water storage tank.
4. An on-line water discharge recovery system of a Roots vacuum pump as claimed in claim 3, wherein a first solenoid valve (41) is provided between the water storage part (2) and the water jet ejector (32), the first solenoid valve (41) is opened when the accumulated water in the water storage tank reaches the highest water level point, and the first solenoid valve (41) is closed when the accumulated water in the water storage tank reaches the lowest water level point.
5. An on-line water discharge recovery system of a Roots vacuum pump according to claim 3, characterized in that a second solenoid valve (42) is provided between the water jet ejector (32) and the condensate pump (33), the second solenoid valve (42) is opened when the accumulated water in the water storage tank reaches the highest water level point, and the second solenoid valve (42) is closed when the accumulated water in the water storage tank reaches the lowest water level point.
6. An on-line water discharge recovery system of a Roots vacuum pump according to claim 2, wherein a first manual valve (51) is provided on the water pipe (1), a second manual valve (52) is provided between the water storage part (2) and the water jet ejector (32), a third manual valve (53) is provided between the water jet ejector (32) and the condenser (31), and a fourth manual valve (54) is provided between the water jet ejector (32) and the condensate pump (33).
7. An on-line discharge water recovery system of a Roots vacuum pump according to claim 3, wherein a drain pipe is further connected to the water storage tank, and a fifth manual valve (55) is disposed on the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221419148.5U CN218780492U (en) | 2022-06-07 | 2022-06-07 | Roots vacuum pump's online recovery system that drains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221419148.5U CN218780492U (en) | 2022-06-07 | 2022-06-07 | Roots vacuum pump's online recovery system that drains |
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| Publication Number | Publication Date |
|---|---|
| CN218780492U true CN218780492U (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221419148.5U Active CN218780492U (en) | 2022-06-07 | 2022-06-07 | Roots vacuum pump's online recovery system that drains |
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| CN (1) | CN218780492U (en) |
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- 2022-06-07 CN CN202221419148.5U patent/CN218780492U/en active Active
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