Sampling smoke gun accessory capable of simultaneously collecting blank samples

Abstract

The utility model discloses a sampling cigarette gun accessory capable of simultaneously collecting blank samples, which relates to the technical field of sampling cigarette guns and comprises a first sampling nozzle body, a first sampling nozzle inlet and a sampling tube body. The other side of the first sampling nozzle body is connected with one end of the connecting body, and the other end of the connecting body is connected with the sampling pipe body. According to the sampling smoke gun accessory capable of simultaneously collecting the blank samples, the first sampling nozzle inlet of the first sampling nozzle body is placed along smoke to sample particles in the smoke, the second sampling nozzle inlet of the second sampling nozzle body is placed opposite to the smoke to carry out blank sampling, and sampling is carried out at the same time; according to the sampling smoke gun accessory capable of simultaneously collecting the blank samples, the problem that the working progress is influenced due to non-uniform data caused by the influence of the external environment in the multiple operation processes of a sampling smoke gun is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling cigarette guns, in particular to a sampling cigarette gun accessory for simultaneously collecting blank samples. Background Art

[0002] When monitoring ultra-low particulate matter, it is required to collect a full-program blank. This is a quality control measure and a means to measure whether the sample is contaminated during the measurement process. When sampling a full-program blank, the sampling nozzle should face away from the exhaust gas flow direction, and the placement time and movement method of the sampling tube in the flue should be the same as the actual sampling. The full-program blank should be performed once in each measurement series and ensured to be performed at least once a day. In order to prevent air or exhaust gas from entering the sampling system during the collection of the full-program blank, the connection between the sampling tube and the sampler host must be disconnected, and the end interface of the sampling tube must be sealed.

[0003] The existing sampling smoke gun is composed of a sampling nozzle, a connector, a sampling tube, a Pitot tube, a thermocouple thermometer and an installation assembly. When sampling, just align the sampling nozzle with the direction of flue gas flow for sampling. During the sampling process, the Pitot tube and the thermocouple thermometer will assist in sampling. However, in order to facilitate subsequent work, the sampling smoke gun is required to perform blank sampling, which results in the sampling process requiring multiple operations and cannot be completed quickly. In addition, during the multiple operations, the data will be inconsistent due to the influence of the external environment, thus affecting the work progress. Utility Model Content

[0004] The utility model aims to provide a sampling cigarette gun accessory for simultaneously collecting blank samples, so as to solve the problem that during multiple operations of the sampling cigarette gun proposed in the above background technology, the data may be inconsistent due to the influence of the external environment, thereby affecting the work progress.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a sampling cigarette gun accessory for simultaneously collecting blank samples, comprising a first sampling nozzle body, a first sampling nozzle inlet and a sampling tube body,

[0006] A first sampling nozzle inlet is provided on one side of the first sampling nozzle body, the other side of the first sampling nozzle body is connected to one end of a connector, the other end of the connector is connected to a sampling tube body, the side of the sampling tube body away from the connector is connected to a cigarette gun body, and the side of the cigarette gun body close to the sampling tube body is connected to a Pitot tube and a thermocouple thermometer.

[0007] Preferably, a total pressure measuring hole and a static pressure measuring hole are provided at one end of the Pitot tube away from the cigarette gun body.

[0008] Preferably, the total pressure measuring hole is arranged in the same direction as the inlet direction of the first sampling nozzle, and the static pressure measuring hole is arranged in the opposite direction to the inlet direction of the first sampling nozzle.

[0009] Preferably, a blank sample sampling mechanism is provided on one side of the first sampling nozzle inlet, and the blank sample sampling mechanism consists of a second sampling nozzle inlet, a second sampling nozzle body and a mounting body.

[0010] Preferably, a second sampling nozzle inlet is provided on one side of the second sampling nozzle body, and a mounting body is connected to the other side of the second sampling nozzle body.

[0011] Preferably, the setting direction of the second sampling nozzle inlet is opposite to that of the first sampling nozzle inlet, and the setting direction of the second sampling nozzle inlet is the same as that of the static pressure measuring hole.

[0012] Preferably, a side of the mounting body away from the second sampling nozzle body is connected to one end of a connecting rod, the other end of the connecting rod is connected to the cigarette gun body, and the connecting rod is an elastic steel sheet.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the sampling smoke gun accessory that simultaneously collects blank samples places the first sampling nozzle inlet of the first sampling nozzle body along the smoke to sample the particles inside the smoke, and places the second sampling nozzle inlet of the second sampling nozzle body against the smoke to perform blank sampling. Both of them sample at the same time, which solves the problem that during multiple operations of the sampling smoke gun, the data will be inconsistent due to the influence of the external environment, thereby affecting the work progress.

[0014] 1. The sampling pipe accessory for simultaneously collecting blank samples, in order to save the sampling time of the sampling pipe, places the first sampling nozzle inlet of the first sampling nozzle body along the smoke to sample the particles inside the smoke, and places the second sampling nozzle inlet of the second sampling nozzle body against the smoke for blank sampling. At the same time, the first sampling nozzle inlet and the second sampling nozzle inlet are placed at the same level to improve the sampling accuracy. At this time, the pipe body can synchronously complete the sampling of ultra-low particulate matter in the smoke and the full-program blank sample. The sampling pipe accessory for simultaneously collecting blank samples, the pipe body is provided with a blank sample sampling mechanism, and is set in the opposite direction of the original sampling mechanism, and can perform sampling work at the same time, fully improve the sampling efficiency, and reduce the sampling time;

[0015] 2. The sampling cigarette gun accessory for simultaneously collecting blank samples, in order to facilitate the use of the second sampling nozzle body and the second sampling nozzle inlet inside the blank sample sampling mechanism, the mounting body connected to the second sampling nozzle body adopts a connecting rod composed of elastic steel sheets to connect with the cigarette gun body, so that the second sampling nozzle body and the second sampling nozzle inlet can be adjusted in position according to the use requirements of cigarette gun sampling, which is convenient for adapting to different operating environments. The sampling cigarette gun accessory for simultaneously collecting blank samples is provided with a connecting rod composed of elastic steel sheets to improve the flexibility of the blank sample sampling mechanism when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the sampling smoke gun of the utility model;

[0017] Figure 2 This is a schematic diagram of the first top view of the sampling cigarette gun of the utility model;

[0018] Figure 3 This is a second top view structural schematic diagram of the sampling cigarette gun of the utility model.

[0019] In the figure: 1. first sampling nozzle body; 2. first sampling nozzle inlet; 3. connector; 4. sampling tube body; 5. cigarette gun body; 6. pitot tube; 601. total pressure measuring hole; 602. static pressure measuring hole; 7. thermocouple thermometer; 8. blank sample sampling mechanism; 801. second sampling nozzle inlet; 802. second sampling nozzle body; 803. mounting body; 9. connecting rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 3 The utility model provides a technical solution: a sampling cigarette gun accessory for simultaneously collecting blank samples, comprising a first sampling nozzle body 1, a first sampling nozzle inlet 2 and a sampling tube body 4,

[0022] A first sampling nozzle inlet 2 is provided on one side of the first sampling nozzle body 1, and the other side of the first sampling nozzle body 1 is connected to one end of a connector 3, and the other end of the connector 3 is connected to a sampling tube body 4, and the side of the sampling tube body 4 away from the connector 3 is connected to a cigarette gun body 5, and the side of the cigarette gun body 5 close to the sampling tube body 4 is connected to a Pitot tube 6 and a thermocouple thermometer 7, and the end of the Pitot tube 6 away from the cigarette gun body 5 is provided with a total pressure measuring hole 601 and a static pressure measuring hole 602, the setting direction of the total pressure measuring hole 601 is the same as that of the first sampling nozzle inlet 2, and the direction of the static pressure measuring hole 602 is opposite to that of the first sampling nozzle inlet 2.

[0023] A blank sample sampling mechanism 8 is provided on one side of the first sampling nozzle inlet 2, and the blank sample sampling mechanism 8 consists of a second sampling nozzle inlet 801, a second sampling nozzle body 802 and a mounting body 803. A second sampling nozzle inlet 801 is provided on one side of the second sampling nozzle body 802, and a mounting body 803 is connected to the other side of the second sampling nozzle body 802. The setting direction of the second sampling nozzle inlet 801 is opposite to that of the first sampling nozzle inlet 2, and the setting direction of the second sampling nozzle inlet 801 is the same as that of the static pressure measuring hole 602.

[0024] During specific implementation, in order to save the sampling time of the sampling cigarette gun, the first sampling nozzle inlet 2 of the first sampling nozzle body 1 is placed along the smoke to sample the particles inside the smoke, and the second sampling nozzle inlet 801 of the second sampling nozzle body 802 is placed against the smoke for blank sampling. At the same time, the first sampling nozzle inlet 2 and the second sampling nozzle inlet 801 are placed at the same level to improve the sampling accuracy. At this time, the cigarette gun body 5 can simultaneously complete the sampling of ultra-low particulate matter in the smoke and the full-program blank sample, wherein the connector 3 between the first sampling nozzle inlet 2 and the sampling tube body 4 and the mounting body 803 between the second sampling nozzle body 802 and the connecting rod 9 are both used for the installation and connection of the two. The sampling cigarette gun accessory that simultaneously collects blank samples, the cigarette gun body 5 is provided with a blank sample sampling mechanism 8, and is set in the opposite direction of the original sampling mechanism, and can perform sampling work at the same time, fully improving the sampling efficiency.

[0025] See also Figure 2 and Figure 3 It can be seen that the side of the mounting body 803 away from the second sampling nozzle body 802 is connected to one end of the connecting rod 9, the other end of the connecting rod 9 is connected to the cigarette gun body 5, and the connecting rod 9 is an elastic steel sheet.

[0026] During specific implementation, in order to facilitate the use of the second sampling nozzle body 802 and the second sampling nozzle inlet 801 inside the blank sample sampling mechanism 8, the mounting body 803 connected to the second sampling nozzle body 802 is connected to the cigarette gun body 5 by a connecting rod 9 composed of elastic steel sheets, so that the second sampling nozzle body 802 and the second sampling nozzle inlet 801 can be adjusted in position according to the use requirements of cigarette gun sampling, which is convenient for adapting to different operating environments. The elastic steel sheet has a certain elasticity. When the second sampling nozzle inlet 801 and the mounting body 803 connected thereto are squeezed or impacted, they can be deformed, thereby flexibly protecting the second sampling nozzle inlet 801 and the mounting body 803. The sampling cigarette gun accessory that collects blank samples at the same time is provided with a connecting rod 9 composed of elastic steel sheets to improve the flexibility of the blank sample sampling mechanism 8 when in use.

[0027] To summarize, when using the sampling cigarette gun accessory for simultaneously collecting blank samples, the combined sampling tube consisting of the first sampling nozzle body 1 and the second sampling nozzle body 802, the Pitot tube 6 and the thermocouple thermometer 7 fixed together is inserted into the flue through the cigarette gun body 5, and the flue gas flow rate at the sampling point is measured through the total pressure measuring hole 601 and the static pressure measuring hole 602 on the top of the Pitot tube 6, and then the microcomputer system of the cigarette gun body 5 automatically adjusts the flue gas sampling flow rate according to the isokinetic sampling principle. When the flue gas emission conditions change, the microcomputer system of the cigarette gun body 5 can timely adjust the sampling flow rate according to the parameter values ​​such as the flue gas flow rate measured by the total pressure measuring hole 601 and the static pressure measuring hole 602 on the top of the Pitot tube 6, thereby ensuring that the particulate matter collection strictly follows the isokinetic sampling principle. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sampling cigarette gun accessory for simultaneously collecting a blank sample, comprising a first sampling nozzle body (1), a first sampling nozzle inlet (2) and a sampling tube body (4), characterized in that: A first sampling nozzle inlet (2) is provided on one side of the first sampling nozzle body (1), the other side of the first sampling nozzle body (1) is connected to one end of a connector (3), the other end of the connector (3) is connected to a sampling tube body (4), the side of the sampling tube body (4) away from the connector (3) is connected to a cigarette gun body (5), and the side of the cigarette gun body (5) close to the sampling tube body (4) is connected to a Pitot tube (6) and a thermocouple thermometer (7).

2. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 1, characterized in that: The end of the Pitot tube (6) away from the cigarette gun body (5) is provided with a total pressure measuring hole (601) and a static pressure measuring hole (602).

3. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 2, characterized in that: The total pressure measuring hole (601) is arranged in the same direction as the first sampling nozzle inlet (2), and the static pressure measuring hole (602) is arranged in the opposite direction to the first sampling nozzle inlet (2).

4. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 3, characterized in that: A blank sample sampling mechanism (8) is provided on one side of the first sampling nozzle inlet (2), and the blank sample sampling mechanism (8) is composed of a second sampling nozzle inlet (801), a second sampling nozzle body (802) and a mounting body (803).

5. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 4, characterized in that: A second sampling nozzle inlet (801) is provided on one side of the second sampling nozzle body (802), and a mounting body (803) is connected to the other side of the second sampling nozzle body (802).

6. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 5, characterized in that: The setting direction of the second sampling nozzle inlet (801) is opposite to that of the first sampling nozzle inlet (2), and the setting direction of the second sampling nozzle inlet (801) is the same as that of the static pressure measuring hole (602).

7. The sampling cigarette gun accessory for simultaneously collecting blank samples according to claim 5, characterized in that: The side of the mounting body (803) away from the second sampling nozzle body (802) is connected to one end of a connecting rod (9), the other end of the connecting rod (9) is connected to the cigarette gun body (5), and the connecting rod (9) is an elastic steel sheet.

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