CN217931008U

CN217931008U - Boiler afterbody flue gas droplet survey sampling device

Info

Publication number: CN217931008U
Application number: CN202221072809.1U
Authority: CN
Inventors: 赵磊; 李彬
Original assignee: Shandong Dongte Environmental Testing Technology Co ltd
Current assignee: Shandong Dongte Environmental Testing Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-29
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a boiler afterbody flue gas droplet survey sampling device, relates to flue gas sampling technical field, including the outer pillar, outer pillar one end is connected with the flue through the flange, a plurality of through-holes have been seted up at the outer pillar middle part, a plurality of through-holes are arranged in a word, all are provided with sampling tube in each through-hole, and every sampling tube's length is all different, and sampling tube's front end adopts the secondary structure of bending, and its sampling entry corresponds with the flue gas flow direction, the rear end of sampling tube is equal to outer pillar's afterbody, the rear end of sampling tube is connected with the outlet duct, be equipped with air outlet valve and vacuum pump on the outlet duct, the one end that the sampling tube was kept away from to the outlet duct is connected with the sampling bottle, the sampling bottle is placed in the condensation bottle, the utility model discloses setting up a plurality of sampling tubes does benefit to carry out the sampling to different position in the flue, has increased the accuracy of sampling analysis result; meanwhile, the filter screen is arranged, so that dust and impurities in the smoke can be filtered, and the influence on the subsequent analysis result is avoided.

Description

Boiler afterbody flue gas droplet survey sampling device

Technical Field

The utility model relates to a flue gas sampling technical field, concretely relates to boiler afterbody flue gas droplet survey sampling device.

Background

When the flue gas discharged to the external world along the flue gas pipe, for guaranteeing that the flue gas can be safe harmless arrange the external world, can monitor each item composition and index in the flue gas in advance, the rear of reaching standard can discharge, if humidity is great, then the flue gas can also discharge the external world together with the droplet that mix with in the flue gas when external, can bring a great deal of negative effects for living environment. When monitoring flue gas humidity, can all use flue gas droplet sampling device usually, and current flue gas droplet sampling device is not convenient for carry out fixed point a lot of samplings to other positions in the flue gas pipe, is unfavorable for the accuracy of analysis result after the sampling, and the dust in the flue gas also can influence the accuracy of later stage analysis result simultaneously.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model aims to provide a boiler afterbody flue gas droplet survey sampling device can solve current flue gas droplet sampling device and be not convenient for carry out fixed point a lot of to other positions in the flue gas pipe and sample, is unfavorable for the accuracy of analysis result after the sampling, and the dust in the flue gas also can influence the technical problem of later stage analysis result accuracy simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a boiler afterbody flue gas droplet survey sampling device, includes the outer pillar, outer pillar one end is passed through the flange and is connected with the flue, a plurality of through-holes have been seted up at the outer pillar middle part, a plurality of through-holes are a word arrangement, all are provided with the sampling pipe in every through-hole, and the length of every sampling pipe is all inequality, the front end of sampling pipe adopts the secondary bending structure, and its sampling entry is corresponding with flue gas circulation direction, the rear end of sampling pipe is leveled mutually with the afterbody of outer pillar, the rear end of sampling pipe is connected with the outlet duct, be equipped with air outlet valve and vacuum pump on the outlet duct, the one end that the sampling pipe was kept away from to the outlet duct is connected with the sampling bottle, the sampling bottle is placed in the condensation bottle, the condensation bottle is placed on the layer board, layer board one end fixed connection is on the flange.

Preferably, the entrance of sampling pipe is provided with the filter screen, the filter screen adopts the HEPA filter screen, the entry outside threaded connection of sampling pipe has the block.

Preferably, the bottleneck department of sampling bottle is equipped with the rubber buffer, the exit end of outlet duct is the toper structure, and the toper end runs through the rubber buffer and extends to in the sampling bottle.

Preferably, the outer protecting pipe is formed by splicing two semicircular stainless steel plates, steps are arranged on the outer sides of arc-shaped ports of the two semicircular stainless steel plates, threaded holes are formed in the steps, and the two semicircular stainless steel plates are connected through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the sampling pipe that many lengths are different, do benefit to the flue gas to different positions in the flue and carry out the fixed point sampling test, increased the accuracy of sampling analysis result.

2. The utility model discloses a set up the filter screen, do benefit to the impurity filtration in the flue gas, strengthen the accuracy of testing result, can avoid impurity to adhere to the sampling tube inner wall simultaneously on, cause the damage to it for a long time.

3. The utility model discloses a set up the block, do benefit to and seal the sampling pipe entry that will not use temporarily, avoid the impurity in the flue gas to attach to the filter screen on, increase the clearance frequency of filter screen.

4. The utility model discloses a set up the rubber buffer, increased the leakproofness of sampling bottle bottleneck, improved condensation efficiency.

5. The utility model discloses a set up the outer pillar and form for the concatenation of two semi-circular corrosion resistant plate, through the bolt-up for the sampling pipe of centre gripping between two semi-circular corrosion resistant plate is more firm, avoids taking place to rock, and the outer pillar can be applicable to the sampling pipe sampling of different internal diameters, and it is also more convenient to change.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of a boiler tail flue gas droplet measurement and sampling device provided by the utility model;

fig. 2 is the utility model provides a boiler afterbody flue gas droplet survey sampling device's outer pillar structure sketch map.

Description of reference numerals:

1-outer protecting pipe, 2-flange, 3-flue, 4-through hole, 5-sampling pipe, 6-air outlet pipe, 7-air outlet valve, 8-vacuum pump, 9-sampling bottle, 10-condensing bottle, 11-supporting plate, 12-filter screen, 13-cover cap, 14-rubber plug, 15-step and 16-bolt.

Detailed Description

The invention will be described in detail, with reference to the drawings, by way of example, and it is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the broad invention.

As shown in fig. 1-2, a boiler afterbody flue gas droplet survey sampling device, including outer pillar 1, outer pillar 1 one end is passed through flange 2 and is connected with flue 3, a plurality of through-holes 4 have been seted up at outer pillar 1 middle part, a plurality of through-holes 4 are the straight-line row, all are provided with sampling pipe 5 in every through-hole 4, and every sampling pipe 5's length is all inequality, sampling pipe 5's front end adopts the secondary bending structure, and its sampling entry is corresponding with the flue gas circulation direction, sampling pipe 5's rear end is leveled mutually with outer pillar 1's afterbody, sampling pipe 5's rear end threaded connection has outlet duct 6, be equipped with air outlet valve 7 and vacuum pump 8 on the outlet duct 6, the one end that sampling pipe 5 was kept away from to outlet duct 6 is connected with sampling bottle 9, sampling bottle 9 places in condensation bottle 10, condensation bottle 10 places on layer board 11, layer board 11 one end fixed connection is on flange 2. In this embodiment, the number of the sampling pipes 5 is three, and the pipe orifices of the three sampling pipes 5 are equidistantly distributed, so that the accuracy of a sampling analysis result can be improved by multi-point sampling.

Further, in this embodiment, a filter screen 12 is disposed at an inlet of the sampling pipe 5, the filter screen 12 is a HEPA filter screen, and by disposing the filter screen 12, the impurities in the flue gas can be filtered, the accuracy of the detection result can be enhanced, and meanwhile, the impurities can be prevented from being attached to the inner wall of the sampling pipe 5 and being damaged in the long run; the inlet outside threaded connection of sampling pipe 5 has block 13, through setting up block 13, does benefit to and seals the sampling pipe 5 entry that temporarily does not use, avoids the impurity in the flue gas to attach to filter screen 12, increases filter screen 12's clearance frequency.

Further, in this embodiment, the bottleneck department of sampling bottle 9 is equipped with rubber buffer 14, the exit end of outlet duct 6 is the toper structure, and in the toper end ran through rubber buffer 14 and extended to sampling bottle 9, through setting up rubber buffer 14, has increased the leakproofness of 9 bottlenecks of sampling bottle, has improved condensation efficiency.

Further, in this embodiment, outer pillar 1 is formed by two semicircular corrosion resistant plate concatenations, two semicircular corrosion resistant plate's the arc port outside all is provided with step 15, be provided with the screw hole on the step 15, two semicircular corrosion resistant plate pass through bolt 16 and connect, form for two semicircular corrosion resistant plate concatenations through setting up outer pillar 1, fasten through bolt 16 for the sampling pipe 5 of centre gripping between two semicircular corrosion resistant plate is more firm, avoids taking place to rock, and outer pillar 1 can be applicable to the sampling pipe 5 samplings of different internal diameters, and it is also more convenient to change.

The working principle is as follows: on being connected to 3 walls of flue with sampling device through flange 2, opening air outlet valve 7 and vacuum pump 8, the inside negative pressure that forms of sampling pipe 5, the flue gas is sucked into sampling pipe 5 after filter screen 12 filters impurity, gets into sampling bottle 9 through outlet duct 6 again, injects the cooling water into condensation bottle 10, and the cooling water condenses into the fog drop with the flue gas in the sampling bottle 9, accomplishes the sample.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the application concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a boiler afterbody flue gas droplet survey sampling device, includes outer pillar (1), outer pillar (1) one end is passed through flange (2) and is connected its characterized in that with flue (3): a plurality of through-holes (4) have been seted up at outer pillar (1) middle part, a plurality of through-holes (4) are the word and arrange, all are provided with sampling pipe (5) in every through-hole (4), and the length of every sampling pipe (5) is all inequality, the front end of sampling pipe (5) adopts the secondary bend structure, and its sampling entry is corresponding with the circulation of flue gas direction, the rear end of sampling pipe (5) is levelled with the afterbody of outer pillar (1), the rear end of sampling pipe (5) is connected with outlet duct (6), be equipped with air outlet valve (7) and vacuum pump (8) on outlet duct (6), the one end that sampling pipe (5) were kept away from in outlet duct (6) is connected with sampling bottle (9), sampling bottle (9) are placed in condensation bottle (10), condensation bottle (10) are placed on layer board (11), layer board (11) one end fixed connection is on flange (2).

2. The boiler tail flue gas fog drop determination sampling device of claim 1, characterized in that: the entrance of sampling pipe (5) is provided with filter screen (12), HEPA filter screen is adopted in filter screen (12), the entry outside threaded connection of sampling pipe (5) has block (13).

3. The boiler tail flue gas fog drop determination sampling device of claim 1, characterized in that: the bottleneck department of sampling bottle (9) is equipped with rubber buffer (14), the exit end of outlet duct (6) is the toper structure, and the toper end runs through in rubber buffer (14) extends to sampling bottle (9).

4. The boiler tail flue gas fog drop determination sampling device of claim 1, characterized in that: the outer protecting pipe (1) is formed by splicing two semicircular stainless steel plates, steps (15) are arranged on the outer sides of arc-shaped ports of the two semicircular stainless steel plates, threaded holes are formed in the steps (15), and the two semicircular stainless steel plates are connected through bolts (16).