CN218381915U

CN218381915U - Flue sampling device

Info

Publication number: CN218381915U
Application number: CN202221682858.7U
Authority: CN
Inventors: 李晓伟; 崔晶; 王鑫
Original assignee: Zhejiang Sanqing Environmental Protection Technology Co ltd
Current assignee: Zhejiang Sanqing Environmental Protection Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-24
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of the flue sampling, a flue sampling device is disclosed, including the sample thief main part, one side threaded connection of sample thief main part is connected with sampling pipe joint, and the opposite side of sample thief main part still is symmetrical threaded connection and marks the pipe joint, fixedly connected with filter core connecting piece is gone back in the outside of sample thief main part, filter core connecting piece middle part threaded connection has the sampling filter core, and this application uses through the cooperation of sampling pipe joint, calibration pipe joint, filter core connecting piece and sampling filter core, marks the pipeline and is connected to the sampling pipeline through the sampling filter core, and after the pipeline of maring lets in calibration gas, it is inside that the pipeline directly gets into the sampling filter core to mark the air current accessible, and the sampling pump directly extracts the inside gas of filter core, takes out test instrument through the sampling pipeline, marks fastly, and measurement accuracy is high, has also effectively reduced the waste of calibration gas.

Description

Flue sampling device

Technical Field

The application relates to the technical field of flue sampling, and more particularly relates to a flue sampling device.

Background

The air pollution source comprises a fixed pollution source and a flowing pollution source, wherein the fixed pollution source is divided into an organized emission source and an unorganized emission source, the organized emission source refers to a flue, a chimney, an exhaust funnel and the like, the flue sampling refers to a sampling process of pollutants in the flue, which is the organized emission source in the fixed air pollution source, and the flue sampler is equipment required to be used in the process.

At present, most of the existing flue samplers in the market adopt a design of separating sampling and calibration pipelines, the calibration pipelines are not directly connected to the sampling pipelines through sampling filter cores, full-flow-path calibration cannot be achieved, or the calibration pipelines are arranged on the outer sides of the sampling filter cores, so that calibration speed is low, and calibration gas is wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a flue sampling device.

The application provides a flue sampling device adopts following technical scheme:

the utility model provides a flue sampling device, includes the sample thief main part, one side threaded connection of sample thief main part is connected with sampling pipeline and connects, and the opposite side of sample thief main part still is symmetrical threaded connection and has a calibration pipeline to connect, fixedly connected with filter core connecting piece is gone back in the outside of sample thief main part, filter core connecting piece middle part threaded connection has the sampling filter core.

Furthermore, the sampling pipeline joint is externally connected with a sampling pump.

Through above-mentioned technical scheme, sampling pump accessible sampling pipeline connects the inside gas of extraction flue sample thief to external equipment.

Furthermore, the calibration pipeline joint is externally connected with a calibration electromagnetic valve.

Through the technical scheme, the electromagnetic valve can control the on-off of the calibration gas circuit.

Furthermore, the filter element connecting piece and the joint of the sampler main body are provided with a tetrafluoro gasket.

Through above-mentioned technical scheme, the sealed effect that fills up of tetrafluoro is the clearance between sealed filter core connecting piece and the appearance ware main part.

Furthermore, the sampling pipeline joint and the calibration pipeline joint are both T-shaped hollow tubular structures, and one end of each hollow tubular structure is in a conical tubular shape.

Furthermore, the sampling pipeline joint and the outside of calibration pipeline joint taper pipe one end all overlap and are equipped with O type sealed pad.

Through above-mentioned technical scheme, the gas circuit passageway of filter core connecting piece and sample thief main part can be sealed to O type sealing washer.

To sum up, the present application includes at least one of the following advantageous technical effects:

1. according to the sampling pipeline, the sampling pipeline joint, the calibration pipeline joint, the filter element connecting piece and the sampling filter element are matched for use, the calibration pipeline is connected to the sampling pipeline through the sampling filter element, after calibration gas is introduced into the calibration pipeline, calibration gas flow can directly enter the sampling filter element through the calibration pipeline, the sampling pump directly extracts gas in the filter element, and a test instrument is extracted through the sampling pipeline, so that the calibration speed is high, the measurement accuracy is high, and the waste of the calibration gas is effectively reduced;

2. the sampling pump passes through the sampling pipeline and connects the inside gas of extraction flue sample thief to external equipment, when needs calibration, calibration pipeline articulate external equipment's demarcation solenoid valve is opened, the calibration pipeline lets in certain pressure standard gas, gas passes through the calibration pipeline and connects and through inside gas circuit to the sampling filter core inside, after then by the sampling pipeline extraction, 2 circulation backs, the inside whole replacements of sampling pipeline are standard gas promptly, can accomplish the full-flow road of equipment and mark.

Drawings

FIG. 1 is a schematic structural diagram of a flue sampler in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a sampling flow path of a flue sampler in an embodiment of the present invention;

fig. 3 is a schematic view of the calibration flow path of the flue sampler in the embodiment of the present invention.

The reference numbers in the figures illustrate:

1. a sampling pipeline joint; 2. a sampler body; 3. a tetrafluoro gasket; 4. an O-shaped sealing gasket; 5. a filter element connector; 6. calibrating the pipeline joint; 7. and (5) sampling the filter element.

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; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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.

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a flue sampling device, please refer to fig. 1, including sampler main part 2, one side threaded connection of sampler main part 2 is connected with sampling pipeline joint 1, and the opposite side of sampler main part 2 still is symmetrical threaded connection and has calibration pipeline joint 6, outside of sampler main part 2 still fixedly connected with filter core connecting piece 5, filter core connecting piece 5 and sampler main part 2 can adopt bolt or other mode to carry out zonulae occludens, filter core connecting piece 5 middle part threaded connection has sampling filter core 7, refer to fig. 2 and fig. 3, sampling pipeline joint 1 external sampling pump, calibration pipeline joint 6 external equipment calibration solenoid valve, through sampling pipeline joint 1, calibration pipeline joint 6, filter core connecting piece 5 and sampling filter core 7 cooperation use, calibration pipeline is connected to the sampling pipeline through sampling filter core 7, after calibration pipeline lets in calibration gas, calibration gas can directly get into inside sampling filter core 7 through calibration pipeline, the sampling pump directly draws the inside gas of filter core, through sampling instrument, calibration speed is calibrated, calibration accuracy is high, calibration gas waste has also effectively been reduced when it is needed, calibration pipeline 6 directly gets into inside calibration pipeline connects the sampling pipeline and opens the sampling pipeline and is the whole calibration pipeline and calibration gas is replaced through the internal calibration pipeline of calibration solenoid valve, calibration pipeline, calibration gas is the internal standard sampling pipeline, calibration pipeline connection of calibration pipeline, calibration gas, calibration pipeline is opened, calibration pipeline internal standard gas extraction.

Referring to fig. 1-3, a tetrafluoro gasket 3 is arranged at the joint of a filter element connecting piece 5 and a sampler main body 2, an O-shaped gasket 4 is sleeved outside one end of a taper pipe of a sampling pipeline joint 1 and a calibration pipeline joint 6, the O-shaped gasket 4 is used for sealing a gas path channel of the filter element connecting piece 5 and the sampler main body 2, and the tetrafluoro gasket 3 is used for sealing a gap between the filter element connecting piece 5 and the sampler main body 2 to prevent gas in a flue from overflowing.

Sampling pipeline connects 1 and calibration pipeline connects 6 and is T style of calligraphy hollow tubular structure, and wherein one end is the awl tubulose, and hollow tubular structure can form the circulation gas circuit.

The implementation principle of the flue sampling device in the embodiment of the application is as follows: the specific work flow can be divided into two states, namely a sampling state and a calibration state.

Sampling state (fig. 2): calibration pipeline connects 6 and connects external device calibration solenoid valve, solenoid valve closed condition, and the pipeline of maring this moment is closed condition, and sampling pipeline connects 1 and connects external device's sampling pump, and the sampling pump is normally open state, and the sampling pump passes through sampling pipeline and connects 1 and extract the inside gas of flue sample thief and monitor in the external device.

Calibration state (fig. 3): the sampling pump passes through sampling pipe joint 1 and extracts the inside gas of flue sample thief to external equipment, when needs are calibrated, calibration pipe joint 6 connects external equipment's demarcation solenoid valve and opens, the calibration pipeline lets in certain pressure standard gas, gas passes through calibration pipe joint 6 and through inside gas circuit to sampling filter core 7 inside, after being extracted by the sampling pipeline, 2 circulation backs, the inside whole replacements of sampling pipeline are standard gas promptly, the full flow road of completion equipment is decided.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A flue sampling device, includes sample thief main part (2), its characterized in that: one side threaded connection of sample thief main part (2) is connected with sampling pipeline joint (1), and the opposite side of sample thief main part (2) still is symmetrical threaded connection and has calibration pipeline joint (6), fixedly connected with filter core connecting piece (5) are gone back in the outside of sample thief main part (2), filter core connecting piece (5) middle part threaded connection has sampling filter core (7).

2. The flue sampling device of claim 1, wherein: the sampling pipeline joint (1) is externally connected with a sampling pump.

3. The flue sampling device of claim 1, wherein: the calibration pipeline joint (6) is externally connected with a calibration electromagnetic valve.

4. The flue sampling device of claim 1, wherein: the filter element connecting piece (5) and the joint of the sampler main body (2) are provided with a tetrafluoro sealing gasket (3).

5. The flue sampling device of claim 1, wherein: the sampling pipeline joint (1) and the calibration pipeline joint (6) are both T-shaped hollow tubular structures, and one end of each hollow tubular structure is in a conical shape.

6. The flue sampling device of claim 1, wherein: sampling pipe joint (1) with the outside of calibration pipe joint (6) taper pipe one end all is equipped with the sealed pad of O type (4).