CN218916958U

CN218916958U - Smoke and dust flue gas sampling device

Info

Publication number: CN218916958U
Application number: CN202223509476.7U
Authority: CN
Inventors: 厉益; 王翰林; 杨青青
Original assignee: SHENZHEN AMAE CO Ltd
Current assignee: SHENZHEN AMAE CO Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-25
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a smoke dust and smoke gas sampling device, which comprises an instrument body, wherein a smoke dust air inlet nozzle and a smoke gas air inlet nozzle are arranged on the instrument body, an air bin is arranged in the instrument body, a smoke dust filter and a smoke gas filter with the same structure are arranged on the side wall of the air bin facing the instrument body, and the smoke dust air inlet nozzle and the smoke gas air inlet nozzle are respectively communicated with the smoke dust filter and the smoke gas filter; the smoke dust filter comprises a filter element arranged in the filter element cavity, a sealing ring used for sealing the filter element cavity and a sealing cover used for opening or closing the filter element cavity, wherein the sealing cover seals the sealing ring and the filter element in the filter element cavity together, and the filter element cavity is communicated with the smoke dust air inlet nozzle. According to the smoke and dust sampling device, the smoke and dust filter and the smoke and dust filter are arranged on the side wall of the instrument body, the filter core cavity is opened or closed through the sealing cover, the use state of the filter core in the filter core cavity can be checked in real time, and the filter core can be cleaned and replaced at any time.

Description

Smoke and dust flue gas sampling device

Technical Field

The utility model relates to the technical field of smoke and dust smoke sampling and detecting equipment, in particular to a smoke and dust smoke sampling device.

Background

In recent years, air pollution is more and more serious, the occurrence frequency of fog is more and more frequent, the call for environmental pollution control is more and more strong, the pollution degree of air is obtained according to comprehensive analysis and depends on the quality of the atmosphere, and the key factors of the atmosphere quality are the emission amount of smoke and the emission concentration degree of the smoke of a boiler and the like, so that in the detection of the smoke and the smoke of the boiler and the like, the detection quality control work of each link is needed to be made according to the complex factors of the field environment, the national standard is strictly complied with, the complete, accurate and scientific result is detected, the emission amount of the smoke and the emission concentration of the smoke of a booster boiler and the like is better, the power is better served for enterprises, and the purification output of the environment is better. In order to ensure the accuracy and representativeness of the smoke and fume detection results, the detection sample to be tested is important, and therefore, many devices for smoke and fume sampling are presented. In order to reduce the damage of smoke dust and smoke gas to the sensor and the pump body, a filter is generally arranged in the sampling device, and the filter is placed in the instrument, so that the use condition of the filter element is inconvenient to observe, and the filter element is inconvenient to replace or clean.

Disclosure of Invention

The utility model aims to provide a smoke and dust sampling device which is convenient for replacing a filter element of a filter.

In order to achieve the aim, the utility model discloses a smoke and dust sampling device, which comprises an instrument body, wherein a smoke and dust air inlet nozzle and a smoke and dust air inlet nozzle are arranged on the instrument body, an air bin is arranged in the instrument body, a smoke and dust filter and a smoke and dust filter with the same structure are arranged on the side wall of the air bin facing the instrument body, and the smoke and dust air inlet nozzle are respectively communicated with the smoke and dust filter and the smoke and dust filter; the smoke dust filter comprises a filter element arranged in the filter element cavity, a sealing ring used for sealing the filter element cavity and a sealing cover used for opening or closing the filter element cavity, wherein the sealing cover seals the sealing ring and the filter element in the filter element cavity together, and the filter element cavity is communicated with the smoke dust air inlet nozzle.

Preferably, the sealing cover is outwards provided with a clamping lug in a protruding mode, the opening of the filter element cavity is provided with a notch for the clamping lug to enter and exit, the filter element cavity is internally provided with a clamping groove clamped with the clamping lug, and the clamping lug of the sealing cover penetrates through the notch to rotate and then is restrained and fixed by the clamping groove.

Preferably, the clamping convex blocks and the notch are all multiple, all the clamping convex blocks are distributed along the axis of the sealing cover in an annular mode, all the notch are distributed along the axis of the opening of the filter element cavity in an annular mode, and the clamping convex blocks are arranged in one-to-one correspondence with the notch.

Preferably, the outer side wall of the sealing cover is provided with external threads, the inner side wall of the filter core cavity is provided with internal threads, and the sealing cover is screwed with the filter core cavity through threads.

Preferably, the air bin and the sealing cover are both made of hard transparent plastic.

The beneficial effects of the utility model are as follows: according to the smoke and dust sampling device, the smoke and dust filter and the smoke and dust filter are arranged on the side wall of the instrument body, the filter core cavity can be opened or closed through the sealing cover, the use state of the filter core in the filter core cavity can be checked in real time, and the filter core can be cleaned and replaced at any time.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

FIG. 1 is a schematic diagram of a smoke and dust sampling device;

FIG. 2 is a schematic diagram of explosive separation of the gas cartridge, smoke filter and soot filter of FIG. 1;

FIG. 3 is a cross-sectional view of the gas cartridge and soot filter.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, a smoke and fume sampling device includes an instrument body 500, a smoke and fume intake nozzle 510 and a fume intake nozzle 520 are arranged on the instrument body 500, a gas cabin 530 is arranged in the instrument body 500, a smoke and fume filter 540 and a fume filter 550 with the same structure are arranged on the side wall of the gas cabin 530 facing the instrument body 500, and the smoke and fume intake nozzle 510 and the fume intake nozzle 520 are respectively communicated with the smoke and fume filter 540 and the fume filter 550; the filter core cavity 541 is arranged in the gas bin 530, the smoke filter 540 comprises a filter core 542 arranged in the filter core cavity 541, a sealing ring 544 for sealing the filter core cavity 541, and a sealing cover 545 for opening or closing the filter core cavity 541, the sealing cover 545 seals the sealing ring 544 and the filter core 542 in the filter core cavity 541 together, and the filter core cavity 541 is communicated with the smoke inlet nozzle 510. The pump body for sucking smoke and fume is arranged in the instrument body 500, the flowmeter is used for detecting the flow of the smoke and fume, the electrochemical sensor is used for measuring various parameters such as CO2, CO, NOx, SO2 and the like, the smoke and the fume can enter from the smoke inlet nozzle 510 and the fume inlet nozzle 520 respectively, and after being filtered by the smoke filter 540 and the fume filter 550, the smoke and the fume can enter the subsequent process links. As shown in fig. 3, arrows show a route diagram of smoke entering the filter core cavity 541 and being filtered, as shown in fig. 1 to 3, a smoke filter 540 and a smoke filter 550 are arranged on the side wall of the instrument body 500, a sealing cover 545 seals a sealing ring 544 and a filter core 542 in the filter core cavity 541 together, the sealing ring 544 has a sealing effect, the filter core cavity 541 can be opened or closed through the sealing cover 545, and the use state of the filter core 542 in the filter core cavity 541 can be checked in real time, and cleaning and replacement can be performed at any time. The same applies to the smoke filter 550, which is constructed in the same manner as the principle of filtering smoke by the smoke filter 540.

In one embodiment, the sealing cover 545 is provided with a locking protrusion 546 protruding outwards, the opening of the filter element cavity 541 is provided with a notch 543 for the locking protrusion 546 to enter and exit, the filter element cavity 541 is provided with a locking groove 547 locked with the locking protrusion 546, and the locking protrusion 546 of the sealing cover 545 passes through the notch 543 to rotate and then is restrained and fixed by the locking groove 547. When the filter core cavity 541 needs to be closed, the filter core 542 and the seal ring 544 are placed in the filter core cavity 541, then the clamping lug 546 of the seal cover 545 is aligned with the notch 543 to extend into the clamping groove 547 of the filter core cavity 541, and then the filter core cavity 541 is rotated, and the clamping lug 546 of the seal cover 545 is restrained and fixed by the clamping groove 547, so that the seal ring 544 and the filter core 542 are sealed in the filter core cavity 541 together. When it is desired to open the core cavity 541, the seal cap 545 can be opened by simply rotating the seal cap 545 in a reverse direction and aligning the snap tabs 546 of the seal cap 545 with the notches 543.

In one embodiment, the plurality of the card protruding blocks 546 and the plurality of the notches 543 are all arranged in a circular manner along the axis of the sealing cover 545, and the plurality of the notches 543 are all arranged in a circular manner along the axis of the opening of the filter core cavity 541, where the card protruding blocks 546 are arranged in a one-to-one correspondence with the notches 543. In order to achieve a better sealing effect, a plurality of clamping convex blocks 546 and notches 543 are arranged, the clamping convex blocks 546 and the notches 543 are arranged in one-to-one correspondence, and all the clamping convex blocks 546 and all the notches 543 are distributed annularly along the axis of the sealing cover 545 and the axis of the opening of the filter element cavity 541 respectively.

In one embodiment, the outer side wall of the sealing cover 545 is provided with external threads, the inner side wall of the filter element cavity 541 is provided with internal threads, and the sealing cover 545 and the filter element cavity 541 are screwed together through threads. Besides the scheme that the clamping projection 546 passes through the notch 543 and is restrained and fixed by the clamping groove 547 after rotating, an external thread is arranged on the outer side wall of the sealing cover 545, an internal thread is arranged on the inner side wall of the filter element cavity 541, and the sealing cover 545 and the filter element cavity 541 are screwed together through threads to seal the sealing ring 544 and the filter element 542 in the filter element cavity 541.

In one embodiment, the cartridge 530 and the seal cap 545 are both made of a hard transparent plastic. The air chamber 530 and the sealing cover 545 are made of hard transparent plastic, so that the use state of the filter element 542 can be conveniently observed, and the filter element can be cleaned and replaced at any time.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims

1. The smoke and dust gas sampling device is characterized by comprising an instrument body, wherein a smoke and dust gas inlet nozzle and a smoke and dust gas inlet nozzle are arranged on the instrument body, a gas bin is arranged in the instrument body, a smoke and dust filter and a smoke and dust filter with the same structure are arranged on the side wall of the gas bin facing the instrument body, and the smoke and dust gas inlet nozzle are respectively communicated with the smoke and dust filter and the smoke and dust filter; the smoke dust filter comprises a filter element arranged in the filter element cavity, a sealing ring used for sealing the filter element cavity and a sealing cover used for opening or closing the filter element cavity, wherein the sealing cover seals the sealing ring and the filter element in the filter element cavity together, and the filter element cavity is communicated with the smoke dust air inlet nozzle.

2. The smoke and dust smoke sampling device according to claim 1, wherein the sealing cover is outwards provided with a clamping lug in a protruding mode, the opening of the filter element cavity is provided with a notch for the clamping lug to enter and exit, the filter element cavity is internally provided with a clamping groove which is clamped with the clamping lug, and the clamping lug of the sealing cover penetrates through the notch to rotate and then is restrained and fixed by the clamping groove.

3. The smoke and dust flue gas sampling device according to claim 2, wherein the plurality of clamping convex blocks and the plurality of notch are all arranged in an annular mode along the axis of the sealing cover, the plurality of notch are arranged in an annular mode along the axis of the opening of the filter element cavity, and the clamping convex blocks are arranged in one-to-one correspondence with the notch.

4. The smoke and dust sampling device according to claim 1, wherein the outer side wall of the sealing cover is provided with external threads, the inner side wall of the filter core cavity is provided with internal threads, and the sealing cover is screwed with the filter core cavity through threads.

5. The smoke sampling device of claim 1 wherein the cartridge and the seal cap are each made of hard transparent plastic.