CN209280383U - A kind of gas fired-boiler flue gas emission monitoring device - Google Patents
A kind of gas fired-boiler flue gas emission monitoring device Download PDFInfo
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- CN209280383U CN209280383U CN201822123655.4U CN201822123655U CN209280383U CN 209280383 U CN209280383 U CN 209280383U CN 201822123655 U CN201822123655 U CN 201822123655U CN 209280383 U CN209280383 U CN 209280383U
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- chimney
- pipe
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- chamber
- collection case
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Abstract
The utility model relates to boiler smoke detection technique fields.It is designed to provide a kind of gas fired-boiler flue gas emission monitoring device of stable conditions.The technical scheme adopted by the utility model is a kind of gas fired-boiler flue gas emission monitoring device, the mounting plate in inverted L-shaped including being fixed at chimney side, the installation plate top surface is provided with sample collection case close to the side of chimney, the other side is provided with CEMS system；Middle part in the sample collection case is provided with vertical partition, the second chamber of the side partition will be divided into first chamber and close CEMS system close to side where chimney inside sample collection case where, the partition is made of frame and the gauze being arranged in frame, and the detection probe of the CEMS system protrudes into second chamber.The utility model can granule foreign blocking sampling pipe, pollution detection probe in effective flue gas, there is stable operating condition.
Description
Technical field
The utility model relates to boiler smoke detection fields, and in particular to a kind of gas fired-boiler flue gas emission monitoring device.
Background technique
Gas fired-boiler is the production equipment for the heating burnt using combustion gas as raw material, and the combustion gas in boiler is in combustion process
In, Handan organic matter, which is oxidized, generates nitrogen oxides (NOx), seriously pollute atmospheric environment.For meet the requirement of environmental protection, pot is reduced
The amount of nitrogen oxides of furnace chimney exhaust, needs flue gas carrying out denitration process by denitrating system.Tail gas after the completion of processing
Measurement amount of nitrogen oxides is continuously analyzed by CEMS system (flue gas automatic monitored control system) after over sampling, is used for denitration system
The automatic control and environment monitoring of system.Current gas fired-boiler flue gas emission monitoring device generally comprise one end protrude into chimney,
The sampling pipe that one end is connected to sales kit (SK), the probe of CEMS system are protruded into sales kit (SK) and are detected to flue gas.
But due to containing a certain amount of granule foreign in boiler chimney tail gas, in the long-term use, granule foreign becomes silted up
After product, it is easy to result in blockage to the smoke inlet on sampling pipe, it is serious to influence what gas fired-boiler flue gas emission monitoring device detected
Accuracy.
Summary of the invention
The purpose of this utility model is to provide a kind of gas fired-boiler flue gas emission monitoring devices of stable conditions.
For achieving the above object, the technical scheme adopted by the utility model is a kind of gas fired-boiler flue gas emission
Monitoring device, the mounting plate in inverted L-shaped including being fixed at chimney side, the installation plate top surface is close to the side of chimney
It is provided with sample collection case, the other side is provided with CEMS system；
Middle part in the sample collection case is provided with vertical partition, and the partition will be divided into inside sample collection case
Second chamber close to the first chamber of side where chimney and close to side where CEMS system, the partition are existed by frame and setting
Gauze in frame is constituted, and the detection probe of the CEMS system protrudes into second chamber；The top of the first chamber is arranged
There is sampling pipe, the lower end of the sampling pipe is connected to first chamber, upper end bends towards chimney direction and transversely protrudes into chimney
Portion, the sampling pipe, which is located on one section in chimney of tube wall, is provided with several air inlet micropores, and sampling pipe is located at one in chimney
Section is outer to be also arranged with cylindrical micronic dust Isolation net cover；Blower is provided at the top of the sample collection case, the blower
Blast pipe is connected to second chamber, and the discharge pipe of blower is in communication with the outside.
Preferably, the bottom of the sample collection case is additionally provided with cleaning door, and lid is fitted at the cleaning door, described
Lid is threadedly coupled with cleaning door；The position that cleaning door is corresponded on the mounting plate is provided with relief hole.
Preferably, it is provided with the first bypass pipe being in communication with the outside on the blast pipe, is arranged on first bypass pipe
The second valve is arranged on the blast pipe between first bypass pipe and sample collection case in first valve；It is set on the discharge pipe
It is equipped with third valve, the second bypass pipe being connected to sampling pipe is provided on the discharge pipe between the third valve and blower,
The 4th valve is provided on second bypass pipe；It is provided on sampling pipe between second bypass pipe and sample collection case
5th valve.
The beneficial effects of the utility model embody a concentrated reflection of, can granule foreign blocking sampling pipe in effective flue gas,
Pollution detection probe, has stable operating condition.Specifically, the utility model in use, blower open after, in sample
Negative pressure is generated in collecting box, the flue gas in chimney after micronic dust Isolation net cover is by the contaminant filter of bulky grain, through air inlet micropore into
Enter in sampling pipe and is delivered in sample collection case.Flue gas case is introduced into first chamber, and will be tiny by the gauze on partition
Enter second chamber after contaminant filter, to detect using the detection probe of CEMS system to flue gas.The utility model with
Traditional mode is compared, and the impurity in flue gas is once filtered by micronic dust Isolation net cover, carries out secondary filter through gauze.Energy
It is enough effectively to prevent impurity blocking air inlet micropore, pollution detection probe, therefore there is more stable operating condition, reduce maintenance
Number.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of partition.
Specific embodiment
A kind of gas fired-boiler flue gas emission monitoring device as shown in Figs. 1-2 is in including be fixed at 0 side of chimney
The mounting plate 1 of inverted L-shaped, 1 top surface of mounting plate is provided with sample collection case 2 close to the side of chimney 0, the other side is provided with
CEMS system 3, the CEMS system are just commercially available flue gas automatic monitored control system, this is the prior art, and details are not described herein again.Institute
It states CEMS system and preferably uses CEMS-9000.
Middle part in the sample collection case 2 is provided with vertical partition 4, and the partition 4 is by 2 inner part of sample collection case
It is divided into the first chamber 5 close to 0 place side of chimney and the second chamber 6 close to 3 place side of CEMS system, as shown in Figure 1, left side
It is second chamber 6 for first chamber 5, right side.As shown in Fig. 2, the partition 4 is by frame 7 and the gauze 8 being arranged in frame 7
It constitutes, frame 7 and sample collection case 2 are affixed, and the detection probe 9 of the CEMS system 3 protrudes into second chamber 6.Described first
The top of chamber 5 is provided with sampling pipe 10, and the lower end of the sampling pipe 10 is connected to first chamber 5, upper end is curved towards 0 direction of chimney
It rolls over and simultaneously transversely protrudes into inside chimney 0, the sampling pipe 10 is located on one section in chimney 0 of tube wall that be provided with several air inlets micro-
Hole is also arranged with cylindrical micronic dust Isolation net cover 11 outside sampling pipe 10 be located in chimney 0 one section.The sample collection case
2 top is provided with blower 12, and the blast pipe 13 of the blower 12 is connected to second chamber 6, the discharge pipe 14 of blower 12 and outer
Boundary's connection.
The utility model in use, after blower 12 is opened, generates negative pressure in sample collection case 2, in chimney 0
Flue gas enters in sampling pipe 10 through air inlet micropore after micronic dust Isolation net cover 11 is by the contaminant filter of bulky grain and is delivered to sample
In collecting box 2.Flue gas case is introduced into first chamber 5, and enters second after the gauze 8 on partition 4 filters fine impurities
Chamber 6, so that the detection probe 9 using CEMS system 3 detects flue gas.The utility model compared with the traditional way,
Impurity in flue gas is once filtered by micronic dust Isolation net cover 11, carries out secondary filter through gauze 8.It can effectively prevent
Impurity blocks air inlet micropore, pollution detection probe 9, therefore has more stable operating condition, reduces the number of maintenance.
For the ease of periodically clearing up the small part dust in first chamber 5, sample collection described in the utility model
The bottom of case 2 is additionally provided with cleaning door 15, and lid 16, the lid 16 and 15 screw thread of cleaning door are fitted at the cleaning door 15
Connection, for the ease of installation, the position that cleaning door 15 is corresponded on the mounting plate 1 is provided with relief hole.
In addition to this, the better way of the utility model is also possible that be provided on the blast pipe 13 and be in communication with the outside
The first bypass pipe 17, the first valve 18, first bypass pipe 17 and sample collection case 2 are set on first bypass pipe 17
Between blast pipe 13 on the second valve 19 is set.Third valve 20, the third valve 20 are provided on the discharge pipe 14
The second bypass pipe 21 being connected to sampling pipe 10 is provided on discharge pipe 14 between blower 12, on second bypass pipe 21
It is provided with the 4th valve 22.The 5th valve is provided on sampling pipe 10 between second bypass pipe 21 and sample collection case 2
23.Setting in this way, the 5th valve 23, the second valve 19, third valve 20 are opened under normal detected status, the first valve
18, the 4th valve 22 is closed.But need to sampling pipe 10 carry out air recoil wash down reason when, the 5th valve 23, the second valve 19,
Third valve 20 is closed, and the first valve 18, the 4th valve 22 are opened.Blower 12, which can dry, at this time is rinsed sampling pipe 10
Cleaning.
Claims (3)
1. a kind of gas fired-boiler flue gas emission monitoring device, the mounting plate in inverted L-shaped including being fixed at chimney (0) side
(1), mounting plate (1) top surface close to the side of chimney (0) is provided with sample collection case (2), the other side is provided with CEMS system
It unites (3)；
It is characterized by: the middle part in the sample collection case (2) is provided with vertical partition (4), the partition (4) is by sample
The first chamber (5) close to side where chimney (0) and the close to side where CEMS system (3) is divided into inside collecting box (2)
Two chambers (6), the partition (4) are made of frame (7) and the gauze (8) being arranged in frame (7), the CEMS system (3)
Detection probe (9) protrude into second chamber (6)；Sampling pipe (10), the sampling are provided at the top of the first chamber (5)
The lower end of pipe (10) is connected to first chamber (5), upper end is bent towards chimney (0) direction and transversely protrudes into chimney (0) inside, institute
It states and is provided with several air inlet micropores on one section of the tube wall that sampling pipe (10) is located in chimney (0), sampling pipe (10) is located at chimney
(0) cylindrical micronic dust Isolation net cover (11) is also arranged with outside one section in；It is provided at the top of the sample collection case (2)
The blast pipe (13) of blower (12), the blower (12) is connected to second chamber (6), the discharge pipe (14) of blower (12) and the external world
Connection.
2. gas fired-boiler flue gas emission monitoring device according to claim 1, it is characterised in that: the sample collection case
(2) bottom is additionally provided with cleaning door (15), is fitted with lid (16) at the cleaning door (15), the lid (16) and deashing
Mouth (15) is threadedly coupled；The position that cleaning door (15) is corresponded on the mounting plate (1) is provided with relief hole.
3. gas fired-boiler flue gas emission monitoring device according to claim 2, it is characterised in that: on the blast pipe (13)
It is provided with the first bypass pipe (17) being in communication with the outside, is arranged the first valve (18) on first bypass pipe (17), described
The second valve (19) are set on blast pipe (13) between bypass line (17) and sample collection case (2)；The discharge pipe (14)
On be provided with third valve (20), be provided with and sample on the discharge pipe (14) between the third valve (20) and blower (12)
The second bypass pipe (21) of (10) connection is managed, is provided with the 4th valve (22) on second bypass pipe (21)；By in the of described second
The 5th valve (23) is provided on sampling pipe (10) between siphunculus (21) and sample collection case (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123655.4U CN209280383U (en) | 2018-12-17 | 2018-12-17 | A kind of gas fired-boiler flue gas emission monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123655.4U CN209280383U (en) | 2018-12-17 | 2018-12-17 | A kind of gas fired-boiler flue gas emission monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280383U true CN209280383U (en) | 2019-08-20 |
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ID=67611509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123655.4U Active CN209280383U (en) | 2018-12-17 | 2018-12-17 | A kind of gas fired-boiler flue gas emission monitoring device |
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| CN (1) | CN209280383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114903135A (en) * | 2022-03-18 | 2022-08-16 | 山东天博食品配料有限公司 | Furnace is smoked to uninterrupted smoke |
-
2018
- 2018-12-17 CN CN201822123655.4U patent/CN209280383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114903135A (en) * | 2022-03-18 | 2022-08-16 | 山东天博食品配料有限公司 | Furnace is smoked to uninterrupted smoke |
| CN114903135B (en) * | 2022-03-18 | 2023-09-15 | 山东天博食品配料有限公司 | Uninterrupted smoking oven |
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