CN219119355U

CN219119355U - Air inlet system and generator set

Info

Publication number: CN219119355U
Application number: CN202223570625.0U
Authority: CN
Inventors: 杨雷; 于许宁; 董龙可; 周嗣龙; 迟维双; 晁兴琳
Original assignee: Jereh Combined Energy Co ltd
Current assignee: Jereh Combined Energy Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-02
Anticipated expiration: 2032-12-27

Abstract

The utility model provides an air inlet system and a generator set, wherein the air inlet system is suitable for the generator set and is provided with an inlet and an outlet, and the air inlet system comprises: the first pipeline comprises a first connecting pipe and a pressure stabilizing valve, the first end of the first connecting pipe is communicated with the inlet, the second end of the first connecting pipe is communicated with the outlet, and the pressure stabilizing valve is arranged on the first connecting pipe; the air inlet system solves the problem of high operation cost of the air inlet system in the prior art.

Description

Air inlet system and generator set

Technical Field

The utility model relates to the technical field of generators, in particular to an air inlet system and a generator set.

Background

At present, each unit of the gas inlet valve group of the low-concentration gas generator unit is provided with 3 sets of valve groups, each set of valve groups is provided with two pressure stabilizing valves, and a filter is arranged in front of each pressure stabilizing valve.

Disclosure of Invention

The utility model mainly aims to provide an air inlet system and a generator set, which are used for solving the problem of higher operation cost of the air inlet system in the prior art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an intake system adapted for use in a generator set, the intake system having an inlet and an outlet, the intake system comprising: the first pipeline comprises a first connecting pipe and a pressure stabilizing valve, the first end of the first connecting pipe is communicated with the inlet, the second end of the first connecting pipe is communicated with the outlet, and the pressure stabilizing valve is arranged on the first connecting pipe; the second pipeline comprises a second connecting pipe and a regulating valve, the first end of the second connecting pipe is communicated with the inlet, the second end of the second connecting pipe is communicated with the outlet, and the regulating valve is arranged on the second connecting pipe.

Further, the air intake system comprises at least two first pipelines, and the at least two first pipelines are arranged in parallel between the inlet and the outlet.

Further, the air intake system further includes: the first end of the fourth connecting pipe is connected and communicated with the second end of the first connecting pipe and the second end of the second connecting pipe respectively, and the second end of the fourth connecting pipe forms an outlet; the pressure sensor is arranged on the fourth connecting pipe and is in communication connection with the regulating valve.

Further, a first filter is arranged on the first connecting pipe, and the first filter is positioned on one side of the pressure stabilizing valve close to the inlet.

Further, a first filter is arranged on the second connecting pipe, and the first filter is positioned on one side of the regulating valve close to the inlet.

Further, the air intake system further includes: the first end of the first connecting pipe is connected with and communicated with the first end of the first connecting pipe and the first end of the second connecting pipe respectively; the second filter is disposed on the third connection pipe.

Further, the air intake system further includes: the first valve is arranged on the third connecting pipe and is positioned on one side of the second filter close to the inlet; the second valve is arranged on the third connecting pipe and is positioned between the second filter and the first valve.

Further, the air intake system further includes: the leakage detection component comprises a third valve, a fourth valve, a first electromagnetic valve, a second electromagnetic valve and a leakage detection controller, wherein the third valve and the fourth valve are sequentially arranged on a fourth connecting pipe, and the third valve and the fourth valve are both positioned on one side of the pressure sensor, which is close to the outlet; the first electromagnetic valve and the second electromagnetic valve are both in communication connection with the leak detection controller, and the first electromagnetic valve is connected with the third valve so as to detect the tightness of the third valve; the second electromagnetic valve is connected with the fourth valve to detect the tightness of the fourth valve.

Further, the air intake system further includes: and the flame arrester is arranged on the fourth connecting pipe and is positioned at one side of the leak detection component close to the outlet.

According to another aspect of the utility model, a generator set is provided, which comprises an air inlet system and a generator, wherein the air inlet system is communicated with the generator, and the air inlet system is the air inlet system.

By applying the technical scheme of the utility model, the air inlet system is suitable for a generator set to convey fuel gas. The air inlet system is provided with an inlet and an outlet, the air inlet system comprises an air inlet valve group, the air inlet valve group comprises a coarse filter, a fine filter and a pressure stabilizing valve, and the coarse filter, the fine filter and the pressure stabilizing valve are arranged between the inlet and the outlet and are sequentially communicated. The gas flows in from the inlet, water and large-particle impurities in the gas are filtered by the coarse filter and then flow into the fine filter for fine filtration, so that the requirement of a unit on the air intake quality is met, then the gas flows in the pressure stabilizing valve to stabilize the pressure fluctuation of the gas, the gas flows out from the outlet after passing through the pressure stabilizing valve, the water and the large-particle impurities in the gas are filtered by the coarse filter, and the filter element of the fine filter is not easy to be blocked in a short time. Therefore, the arrangement of the coarse filter and the fine filter not only can meet the requirement of a unit on the air intake quality, but also solves the problem that the matched filter element is blocked in a short time and the cleaning and replacement work of the filter element are required to be frequently carried out because of more gas impurities in the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic view of an embodiment of an air intake system according to the utility model.

Wherein the above figures include the following reference numerals:

10. an inlet; 20. an outlet; 30. a first connection pipe; 40. a pressure stabilizing valve; 50. a second connection pipe; 60. a regulating valve; 70. a fourth connection pipe; 80. a pressure sensor; 90. a first filter; 100. a third connection pipe; 110. a second filter; 120. a first valve; 130. a second valve; 140. a third valve; 150. a fourth valve; 160. a first electromagnetic valve; 170. a second electromagnetic valve; 180. a leak detection controller; 190. and a flame arrester.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The present utility model provides an air intake system, please refer to fig. 1, which is suitable for a generator set, the air intake system has an inlet 10 and an outlet 20, the air intake system includes: the first pipeline comprises a first connecting pipe 30 and a pressure stabilizing valve 40, a first end of the first connecting pipe 30 is communicated with the inlet 10, a second end of the first connecting pipe 30 is communicated with the outlet 20, and the pressure stabilizing valve 40 is arranged on the first connecting pipe 30; the second pipeline comprises a second connecting pipe 50 and a regulating valve 60, a first end of the second connecting pipe 50 is communicated with the inlet 10, a second end of the second connecting pipe 50 is communicated with the outlet 20, and the regulating valve 60 is arranged on the second connecting pipe 50.

The air inlet system is suitable for a generator set to convey fuel gas. The air intake system includes a first conduit and a second conduit. The first pipeline comprises a first connecting pipe 30 and a pressure stabilizing valve 40, the second pipeline comprises a second connecting pipe 50 and a regulating valve 60, the gas flow in the air inlet system can meet the gas consumption requirement of the unit under normal conditions, the pressure stabilizing valve 40 is opened, the regulating valve 60 is closed, and after the gas flows in from the inlet 10, the gas flows in the outlet 20 only through the first pipeline; when the pressure of the first pipeline is lower and the gas flow in the air inlet system cannot meet the gas consumption requirement of the unit, the pressure stabilizing valve 40 is opened, the regulating valve 60 is opened, and after the gas flows in from the inlet 10, the gas flows into the outlet 20 after passing through the first pipeline and the second pipeline so as to stabilize the pressure of the gas in the two pipelines, and the gas flow is ensured, so that the unit operates normally. Therefore, the second connecting pipe 50 and the regulating valve 60 are arranged in the air inlet system, so that the requirement of ventilation of the air inlet system can be met, the use of pipelines is reduced, and the operation and maintenance cost is reduced; thereby solving the problem of higher operation cost of the air inlet system in the prior art.

In this embodiment, the air intake system comprises at least two first conduits, which are arranged in parallel between the inlet 10 and the outlet 20.

Specifically, the air intake system includes at least two first pipelines, the first pipelines include a first connecting pipe 30 and a pressure stabilizing valve 40, after the fuel gas flows in from the inlet 10, the fuel gas flows in the outlet 20 only through the at least two first pipelines, and the at least two first pipelines can ensure the ventilation requirement of the fuel gas unit.

Optionally, the air intake system comprises two first pipes. The arrangement can ensure the ventilation requirement of the air inlet system, reduce the use of pipelines and reduce the operation and maintenance cost.

In this embodiment, the intake system further includes: a fourth pipe including a fourth connection pipe 70 and a pressure sensor 80, a first end of the fourth connection pipe 70 being connected to and communicating with a second end of the first connection pipe 30 and a second end of the second connection pipe 50, respectively, the second end of the fourth connection pipe 70 forming the outlet 20; the pressure sensor 80 is provided on the fourth connection pipe 70, and the pressure sensor 80 is communicatively connected to the regulator valve 60.

Specifically, the regulator valve 60 is opened according to the pressure change in the fourth connection pipe 70, and the pressure sensor 80 is provided on the fourth connection pipe 70 and is communicatively connected to the regulator valve 60, so that the gas pressure in the fourth connection pipe can be detected. In a normal working state, the fuel gas provided by at least two first pipelines can meet the requirement of the unit on the fuel gas quantity, and the regulating valve 60 is closed; when the pressure sensor 80 detects that the pressure of the fuel gas is reduced to a level at which the flow rate of the fuel gas cannot meet the operation requirement of the unit, the regulating valve 60 is opened to stabilize the pressure of the fuel gas, and the fuel gas supplied by the first pipeline and the second pipeline together ensure the flow rate of the fuel gas. The arrangement of the regulating valve 60 can ensure the ventilation requirement of the gas unit, reduce the use of pipelines and reduce the operation and maintenance cost.

In the present embodiment, the first connecting pipe 30 is provided with a first filter 90, and the first filter 90 is located at a side of the pressure stabilizing valve 40 near the inlet 10.

Specifically, after the fuel gas flows into the first connecting pipe 30 from the inlet 10, the fuel gas is finely filtered by the first filter 90, thereby meeting the requirements of the unit on the quality of the intake air.

Specifically, the first filter 90 is a fine filter to finely filter the fuel gas.

In the present embodiment, the second connection pipe 50 is provided with a first filter 90, and the first filter 90 is located at a side of the regulating valve 60 near the inlet 10.

Specifically, when the regulating valve 60 is opened to ensure the flow rate of the gas together with the gas supplied from the first pipe and the second pipe, the first filter 90 finely filters the gas after the gas flows into the second connection pipe 50 from the inlet 10, thereby satisfying the requirement of the unit for the quality of the intake air.

In this embodiment, the intake system further includes: a third pipe including a third connection pipe 100 and a second filter 110, a first end of the third connection pipe 100 forming an inlet 10, a second end of the third connection pipe 100 being connected to and communicating with the first end of the first connection pipe 30 and the first end of the second connection pipe 50, respectively; the second filter 110 is disposed on the third connection pipe 100.

Specifically, when the regulating valve 60 is opened, the gas flows into the third connection pipe 100 from the inlet 10, flows into the second filter 110 from the third connection pipe 100, filters out water and large particle impurities in the gas, and flows into the first connection pipe 30 and the second connection pipe 50; when the regulating valve 60 is closed, the gas flows into the third connection pipe 100 from the inlet 10, flows into the second filter 110 from the third connection pipe 100, filters water and large particle impurities in the gas, and flows into the first connection pipe 30. The provision of the second filter 110 avoids frequent replacement of the filter cartridge of the first filter 90, resulting in expensive operation.

Specifically, the second filter 110 is a coarse filter to filter out water and large particulate impurities in the fuel gas.

In this embodiment, the intake system further includes: the first valve 120 is disposed on the third connection pipe 100 and located on one side of the second filter 110 near the inlet 10; the second valve 130 is disposed between the third connection pipe 100 and the second filter 110 and the first valve 120.

Specifically, the first valve 120 is used for shutting off the air intake system and the main gas pipeline before debugging, so that the main gas pipeline performs purging and other works, the second valve 130 is used for manually shutting off the connection between the air intake system and the main gas pipeline, and only when both the first valve 120 and the second valve 130 are opened, the gas can flow into the third connecting pipe 100 from the inlet and then flow into the second filter 110, so that the safety of the whole system is ensured.

Optionally, the first valve 120 is a manual blind plate valve; the second valve 130 is a manual butterfly valve. In this embodiment, the intake system further includes: the leak detection component comprises a third valve 140, a fourth valve 150, a first electromagnetic valve 160, a second electromagnetic valve 170 and a leak detection controller 180, wherein the third valve 140 and the fourth valve 150 are sequentially arranged on the fourth connecting pipe 70, and the third valve 140 and the fourth valve 150 are positioned on one side of the pressure sensor 80 close to the outlet 20; the first electromagnetic valve 160 and the second electromagnetic valve 170 are both in communication connection with the leak detection controller 180, and the first electromagnetic valve 160 is connected with the third valve 140 to detect the tightness of the third valve 140; the second solenoid valve 170 is connected to the fourth valve 150 to detect the tightness of the fourth valve 150.

Specifically, the third valve 140 and the fourth valve 150 are both used for controlling the on-off of the fourth connecting pipe 70; the leak detection component is used for detecting the tightness of the third valve 140 and the fourth valve 150 before the air inlet system is started, so as to ensure that the third valve 140 and the fourth valve 150 can play a role in cutting off fuel gas at critical moments.

Optionally, the third valve 140 and the fourth valve 150 are pneumatic butterfly valves.

In this embodiment, the intake system further includes: a flame arrestor 190 is disposed on the fourth connecting tube 70 on the side of the leak detection member adjacent the outlet 20.

Specifically, the flame arrester 190 is disposed on the fourth connecting pipe 70 and located on a side of the leak detection component near the outlet 20, for preventing tempering of the unit and ensuring safety of the gas pipeline.

The utility model also provides a generator set, which comprises an air inlet system and a generator, wherein the air inlet system is communicated with the generator, and the air inlet system is the air inlet system in the embodiment.

In particular, the air intake system is suitable for use in a generator set to deliver combustion gases. The air intake system includes a first conduit and a second conduit. The first pipeline comprises a first connecting pipe 30 and a pressure stabilizing valve 40, the second pipeline comprises a second connecting pipe 50 and a regulating valve 60, the gas flow in the air inlet system can meet the gas consumption requirement of the unit under normal conditions, the pressure stabilizing valve 40 is opened, the regulating valve 60 is closed, and after the gas flows in from the inlet 10, the gas flows in the outlet 20 only through the first pipeline; when the pressure of the first pipeline is lower and the gas flow in the air inlet system cannot meet the gas consumption requirement of the unit, the pressure stabilizing valve 40 is opened, the regulating valve 60 is opened, and after the gas flows in from the inlet 10, the gas flows into the outlet 20 after passing through the first pipeline and the second pipeline so as to stabilize the pressure of the gas in the two pipelines, and the gas flow is ensured, so that the unit operates normally. Therefore, the second connecting pipe 50 and the regulating valve 60 are arranged in the air inlet system, so that the requirement of ventilation of the air inlet system can be met, the use of pipelines is reduced, and the operation and maintenance cost is reduced; thereby solving the problem of higher operation cost of the air inlet system in the prior art.

The utility model optimally designs the air inlet system in a dual-purpose mode, namely the pressure stabilizing valve 40 in the first pipeline can meet the requirement of the air inflow of the valve bank under the normal condition, for example, the pressure of gas is lower, the pressure of the rear end of the pressure stabilizing valve 40 becomes lower under the condition of insufficient air inflow, the regulating valve 60 can be automatically opened, the stability of the pressure of the rear end is ensured, and the requirement of the air inflow of the valve bank is met. The improved air intake system includes two first and second lines, the first line including a first filter 90 and a pressure regulator valve 40, and the second line including a first filter 90 and a regulator valve 60. Under normal conditions, the two first pipelines run together, the second pipeline is not participated, the air flow of the first pipeline meets the air consumption requirement of the unit, and when the pipeline pressure is low, the regulating valve 60 starts to act so as to stabilize the pressure of the pipeline gas, and the two first pipelines and the second pipeline work together, so that the air flow is ensured, and the unit is enabled to run normally. In addition, the operation mode of the second pipeline also reduces the replacement frequency of the first filter element, and reduces the operation and maintenance cost.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

the utility model provides an air intake system, which comprises a first pipeline and a second pipeline. The first pipeline comprises a first connecting pipe 30 and a pressure stabilizing valve 40, the second pipeline comprises a second connecting pipe 50 and a regulating valve 60, the gas flow in the air inlet system can meet the gas consumption requirement of the unit under normal conditions, the pressure stabilizing valve 40 is opened, the regulating valve 60 is closed, and after the gas flows in from the inlet 10, the gas flows in the outlet 20 only through the first pipeline; when the pressure of the first pipeline is low, and the gas flow in the air inlet system cannot meet the gas consumption requirement of the unit, the pressure stabilizing valve 40 is opened, the regulating valve 60 is opened, and after the gas flows in from the inlet 10, the gas flows into the outlet 20 after passing through the first pipeline and the second pipeline so as to stabilize the pressure of the gas in the two pipelines, thereby ensuring the gas flow and ensuring the normal operation of the unit. Therefore, the air inlet system is provided with the regulating valve 60, so that the requirement of ventilation capacity of the gas unit can be met, the use of pipelines is reduced, and the operation and maintenance cost is reduced; thereby solving the problem of higher operation cost of the air inlet system in the prior art.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An air intake system adapted for a generator set, the air intake system having an inlet (10) and an outlet (20), the air intake system comprising:

the first pipeline comprises a first connecting pipe (30) and a pressure stabilizing valve (40), a first end of the first connecting pipe (30) is communicated with the inlet (10), a second end of the first connecting pipe (30) is communicated with the outlet (20), and the pressure stabilizing valve (40) is arranged on the first connecting pipe (30);

the second pipeline comprises a second connecting pipe (50) and a regulating valve (60), a first end of the second connecting pipe (50) is communicated with the inlet (10), a second end of the second connecting pipe (50) is communicated with the outlet (20), and the regulating valve (60) is arranged on the second connecting pipe (50).

2. An air intake system according to claim 1, characterized in that the air intake system comprises at least two of the first pipes, which are arranged in parallel between the inlet (10) and the outlet (20).

3. The air intake system of claim 1, further comprising:

a fourth pipeline comprising a fourth connecting pipe (70) and a pressure sensor (80), wherein a first end of the fourth connecting pipe (70) is connected and communicated with a second end of the first connecting pipe (30) and a second end of the second connecting pipe (50), respectively, and a second end of the fourth connecting pipe (70) forms the outlet (20); the pressure sensor (80) is arranged on the fourth connecting pipe (70), and the pressure sensor (80) is in communication connection with the regulating valve (60).

4. An air intake system according to any one of claims 1 to 3, characterized in that the first connecting pipe (30) is provided with a first filter (90), the first filter (90) being located on the side of the pressure stabilizing valve (40) close to the inlet (10).

5. An air intake system according to any one of claims 1-3, characterized in that the second connecting pipe (50) is provided with a first filter (90), the first filter (90) being located on the side of the regulating valve (60) close to the inlet (10).

6. An air intake system according to any one of claims 1 to 3, further comprising:

a third pipeline comprising a third connecting pipe (100) and a second filter (110), wherein a first end of the third connecting pipe (100) forms the inlet (10), and a second end of the third connecting pipe (100) is respectively connected and communicated with a first end of the first connecting pipe (30) and a first end of the second connecting pipe (50); the second filter (110) is disposed on the third connection pipe (100).

7. The air intake system of claim 6, further comprising:

a first valve (120) arranged on the third connecting pipe (100) and positioned on one side of the second filter (110) close to the inlet (10);

and a second valve (130) disposed between the third connection pipe (100) and the second filter (110) and the first valve (120).

8. The air intake system of claim 3, further comprising:

the leak detection component comprises a third valve (140), a fourth valve (150), a first electromagnetic valve (160), a second electromagnetic valve (170) and a leak detection controller (180), wherein the third valve (140) and the fourth valve (150) are sequentially arranged on the fourth connecting pipe (70), and the third valve (140) and the fourth valve (150) are both positioned on one side, close to the outlet (20), of the pressure sensor (80);

the first electromagnetic valve (160) and the second electromagnetic valve (170) are in communication connection with the leak detection controller (180), and the first electromagnetic valve (160) is connected with the third valve (140) so as to detect the tightness of the third valve (140); the second solenoid valve (170) is connected with the fourth valve (150) to detect tightness of the fourth valve (150).

9. The air intake system of claim 8, further comprising:

and a flame arrester (190) arranged on the fourth connecting pipe (70) and positioned on one side of the leak detection component close to the outlet (20).

10. A generator set comprising an air intake system and a generator, the air intake system being in communication with the generator, characterized in that the air intake system is the air intake system of any one of claims 1 to 9.