CN113375984A - High-temperature flue gas sampling and analyzing device of waste heat boiler - Google Patents
High-temperature flue gas sampling and analyzing device of waste heat boiler Download PDFInfo
- Publication number
- CN113375984A CN113375984A CN202110409763.1A CN202110409763A CN113375984A CN 113375984 A CN113375984 A CN 113375984A CN 202110409763 A CN202110409763 A CN 202110409763A CN 113375984 A CN113375984 A CN 113375984A
- Authority
- CN
- China
- Prior art keywords
- sampling
- flue gas
- pipe
- smoke
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
Abstract
The invention discloses a high-temperature flue gas sampling and analyzing device of a waste heat boiler, which comprises a sampling mechanism, a fastening mechanism, a cooling separation mechanism and a flue gas analyzer, wherein the sampling mechanism comprises a sampling pipe, one end of the sampling pipe is a flue gas inlet end, the other end of the sampling pipe is a flue gas outlet end, and the flue gas inlet end of the sampling pipe is used for extending into a sampling channel at an inlet of the boiler; the fastening mechanism is used for limiting the axial movement of the sampling tube along the sampling channel; the cooling and separating mechanism is used for cooling the flue gas flowing out through the sampling pipe and separating moisture of the flue gas circulating in the cooling and separating mechanism; the flue gas analyzer is used for analyzing the separated flue gas; under the detection use state, the smoke outlet end of the sampling pipe is connected with a cooling separation mechanism, and the cooling separation mechanism is connected with a smoke analyzer. The high-temperature flue gas sampling and analyzing device for the waste heat boiler, provided by the invention, is safe to use, has a good sealing effect, and improves the detection efficiency and the detection precision.
Description
Technical Field
The invention relates to the field of high-temperature flue gas detection, in particular to a high-temperature flue gas sampling and analyzing device for a waste heat boiler.
Background
A large amount of pollutants are generated in the combustion process of a boiler (such as a waste heat boiler of a gas-steam combined cycle unit), and a flue gas sample in a hearth is accurately sampled and detected so as to know the pollutants in the boiler and effectively control the pollutants. During performance tests of the gas-steam combined cycle unit, a chimney of a low-temperature section is usually selected for testing the pollutant emission of the gas turbine, and with the popularization of an SCR device in the gas-steam combined cycle unit, the pollutant (such as NOx) emission of the gas turbine needs to be carried out at an inlet of a waste heat boiler. The inlet flue gas temperature of the waste heat boiler is 500-600 ℃, the flue gas humidity is about 7-10%, and the flue gas static pressure is 3kPa or above, namely the inlet flue gas of the waste heat boiler has the characteristics of high temperature, high humidity and positive pressure.
The conventional detection device is a sampling gun for collecting combustion products of specific combustion equipment, but the conventional sampling gun samples in a flue at the tail part of a boiler, after electrostatic dust collection and after desulfurization, the temperatures of the places are very low relative to the internal temperature of a hearth, and the sampling gun developed aiming at the places is difficult to bear the high temperature at the inlet of a waste heat boiler; some detection devices are large, large test holes need to be formed during testing, and sealing of the sampling holes in the testing process is difficult to achieve.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device for sampling and analyzing high-temperature flue gas of a waste heat boiler, which adopts the following technical scheme:
the invention provides a high-temperature flue gas sampling and analyzing device of a waste heat boiler, which comprises a sampling mechanism, a fastening mechanism, a cooling separation mechanism and a flue gas analyzer,
the sampling mechanism comprises a sampling pipe, one end of the sampling pipe is a smoke inlet end, the other end of the sampling pipe is a smoke outlet end, and the smoke inlet end of the sampling pipe is used for extending into a sampling channel at an inlet of the boiler;
the fastening mechanism is used for limiting the axial movement of the sampling tube along the sampling channel;
the temperature reduction and separation mechanism is used for reducing the temperature of the flue gas flowing out through the sampling pipe and separating the moisture of the flue gas circulating in the temperature reduction and separation mechanism;
the flue gas analyzer is used for analyzing the separated flue gas;
under the detection use state, the smoke outlet end of the sampling pipe is connected with the cooling separation mechanism, and the cooling separation mechanism is connected with the smoke analyzer.
Further, the cooling separation mechanism comprises a condensation component and a cold source, wherein the cold source is used for providing a cooling medium for the condensation component; the condensing assembly is connected with the sampling pipe and the cold source.
Furthermore, the condensing device comprises a shell, and a smoke inlet pipe, a smoke outlet part and a smoke outlet pipe which are arranged in the shell, wherein a space for introducing a cooling medium is formed in the shell, one end of the smoke inlet pipe is communicated with the sampling pipe, and the other end of the smoke inlet pipe is communicated with the smoke outlet part; one end of the smoke outlet pipe is communicated with the smoke outlet piece, and the other end of the smoke outlet pipe is connected with the smoke analyzer.
Furthermore, the high-temperature flue gas sampling and analyzing device further comprises a condensate collecting component arranged at the liquid outlet, and the condensate collecting component is used for collecting moisture discharged through the liquid outlet.
Furthermore, the sampling mechanism also comprises a sampling sleeve, the sampling sleeve is arranged in the sampling channel and is used for the sampling pipe to pass through, and a plurality of heat transfer holes are formed in the sampling sleeve.
Further, the fastening mechanism includes a flange assembly and a fastener.
Furthermore, the flange assembly comprises a first fastening flange, a second fastening flange and a sealing gasket arranged between the first fastening flange and the second fastening flange, the first fastening flange is used for being fixed on the outer protecting plate of the boiler, and the second fastening flange is used for being connected with the first fastening flange.
Further, the fixing piece is provided with a clamping space, and the fixing piece is used for clamping the sampling tube passing through the clamping space.
Further, the high-temperature flue gas sampling and analyzing device also comprises a plugging assembly used for sealing the outlet of the sampling channel.
Further, the plugging assembly comprises a plugging plate, a connecting pipe and a plugging sheet, one end of the connecting pipe is connected with the plugging plate, the plugging sheet is connected with the other end of the connecting pipe, and the connecting pipe is provided with a plurality of heat conducting holes.
The technical scheme provided by the invention has the following beneficial effects:
a. according to the high-temperature flue gas sampling and analyzing device for the waste heat boiler, provided by the invention, flue gas in the boiler can be sampled by arranging the sampling pipe and the fastening mechanism, and the sealing effect is good during sampling; by arranging the cooling separation mechanism, the flue gas is cooled and simultaneously the moisture in the flue gas is separated, so that the temperature and the humidity of the flue gas are reduced; when the sampling detection is not carried out, the outlet of the sampling channel is sealed by installing a sealing part, so that the normal use of the boiler is not influenced;
b. the high-temperature flue gas sampling and analyzing device for the waste heat boiler, provided by the invention, is safe to use, has a good sealing effect, and improves the detection efficiency and the detection precision.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-temperature flue gas sampling and analyzing device provided in an embodiment of the present invention;
FIG. 2 is a top view of the fixture of FIG. 1 taken from direction A;
fig. 3 is a cross-sectional view of a plugging component of the high-temperature flue gas sampling and analyzing device provided by the embodiment of the invention, which is installed in a sampling channel;
fig. 4 is a front view of a plugging assembly of the high-temperature flue gas sampling and analyzing device provided by the embodiment of the invention.
Wherein the reference numerals include: 1-a smoke analyzer, 2-a sampling pipe, 3-a condensing assembly, 31-a shell, 32-a smoke inlet pipe, 33-a liquid outlet part, 34-a smoke outlet pipe, 4-a cold source, 5-a sampling sleeve, 51-a heat transfer hole, 6-a fixing part, 61-a first hoop part, 62-a second hoop part, 63-a fastening part, 7-a first fastening flange, 8-a second fastening flange, 9-a sealing gasket, 10-a sealing plate, 11-a connecting pipe, 111-a heat conducting hole, 12-a sealing sheet, 13-a boiler inner protecting plate, 14-a asbestos gasket, 15-a boiler outer protecting plate, 16-a condensate collecting part, 17-a temperature detecting part, 18-a medium inlet pipe and 19-a medium outlet pipe.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
In an embodiment of the invention, a high-temperature flue gas sampling and analyzing device for a waste heat boiler of a gas-steam combined cycle unit is provided, and the specific structure of the high-temperature flue gas sampling and analyzing device is shown in fig. 1 to 4, and the high-temperature flue gas sampling and analyzing device comprises a sampling mechanism, a fastening mechanism, a cooling separation mechanism and a flue gas analyzer 1.
The sampling mechanism has the following specific structure: referring to fig. 1, the sampling device comprises a sampling tube 2, one end of the sampling tube 2 is a smoke inlet end, the other end of the sampling tube is a smoke outlet end, and the smoke inlet end of the sampling tube 2 is used for extending into a sampling channel at an inlet of a boiler so that smoke in the boiler is discharged through the smoke inlet end and the smoke outlet end of the sampling tube in sequence (see arrow direction in fig. 1). Be provided with the backplate subassembly outside the boiler, the backplate subassembly includes that the interior casing of boiler 13, asbestos pad 14 and the outer casing of boiler 15 that set gradually outside the boiler from inside to outside have seted up sampling channel (being the through-hole) on the backplate subassembly, and the cigarette end of advancing of sampling pipe 2 is used for stretching into in the sampling channel, and its cigarette end of going out outwards extends a section distance.
The sampling mechanism further comprises a sampling sleeve pipe 5, the sampling sleeve pipe 5 is used for being arranged in the sampling channel and allowing the sampling pipe 2 to penetrate, a plurality of heat transfer holes 51 are formed in the sampling sleeve pipe 5, smoke is discharged into the sealing gasket from the heat transfer holes, the heat transfer speed of the smoke is reduced, the temperature of the smoke is reduced, heat dissipation is facilitated, the diameter of the heat transfer holes is small, the flow of the discharged smoke is small, and the influence on the sealing gasket cannot be caused. The sampling pipe is made of high-temperature-resistant metal materials, preferably stainless steel; the sampling sleeve is a round tube, and the sampling sleeve is made of high-temperature-resistant metal, preferably stainless steel. The shape of the heat transfer apertures is circular, triangular, square, diamond, polygonal, or other realizable shape.
The specific structure of the fastening mechanism is as follows: referring to fig. 1, the device is used for limiting the axial movement of the sampling tube 2 along the sampling channel, that is, in a detection use state, the fastening mechanism limits the sampling tube 2 from being separated from the sampling channel, and prevents the sampling tube from sliding downwards and shaking left and right; the fastening mechanism comprises a flange assembly and a fixing member 6. When the detection is finished, the fastening mechanism can be removed to take out the sampling tube.
The specific structure of the flange assembly is as follows: referring to fig. 1, the fastening flange comprises a first fastening flange 7, a second fastening flange 8 and a sealing gasket 9 arranged between the first fastening flange 7 and the second fastening flange 8, wherein the first fastening flange 7 is used for being fixed on an outer protecting plate of a boiler, the second fastening flange 8 is used for being connected with the first fastening flange 7, and the sealing gasket 9 is preferably an asbestos pad. First fastening flange 7 is connected through welded mode with the boiler outer casing is preferred, and first fastening flange 7, sealed pad 9 and second fastening flange 8, the three pass through fastener fastening connection, and the fastener is the bolt and nut subassembly, sets up the flange subassembly and can prevent that high temperature malleation flue gas from spraying outward to the boiler, leakproofness when improving the sample.
The fixing member 6 has the following specific structure: it has a clamping space, the fixing member is used for clamping the sampling tube 2 passing through the clamping space, if the fixing member is a hoop, the hoop comprises a first hoop member 61 and a second hoop member 62, see fig. 2, like two semi-circles, when the first hoop member and the second hoop member are sleeved outside the sampling tube, the first hoop member and the second hoop member have a clamping space therebetween, and then the first hoop member and the second hoop member clamp the sampling tube through two fastening components 63 (bolt and nut components); or the clamp comprises a clamp part which can surround the sampling tube, and the clamp part clamps the sampling tube through the fastening part.
The cooling and separating mechanism is used for cooling the flue gas flowing out through the sampling pipe 2 and separating moisture of the flue gas circulating in the cooling and separating mechanism, and the flue gas analyzer 1 is used for analyzing the separated flue gas. The smoke is cooled, so that the high-temperature smoke can be prevented from damaging the smoke analyzer, moisture in the smoke is separated out, the smoke analyzer can be protected, and the detection precision is improved.
The water content in the high-temperature flue gas in the boiler is 8% -10%, the temperature is about 600 ℃, after the flue gas passes through the cooling separation mechanism, the temperature of the flue gas reaching the flue gas analyzer is reduced to a normal temperature state (20-30 ℃), the water content in the flue gas is less than 1%, the flue gas circulation speed is high, manual monitoring is not needed, and therefore, the cooling separation mechanism is used, the flue gas is cooled and simultaneously separated from the water content, the temperature and the humidity of the cooled flue gas are improved, and the detection precision is improved while the detection efficiency is improved.
The specific structure of the cooling and separating mechanism is as follows: referring to fig. 1, it includes condensation subassembly 3 and cold source 4, and cold source 4 is used for providing cooling medium to condensation subassembly 3 for the flue gas cooling, then the flue gas temperature that flows to flue gas analyzer reduces, can not harm flue gas analyzer. The condensing assembly 3 is connected with the sampling pipe 2 and the cold source 4. The cold source can be a water cooler which is portable and convenient to transfer and install.
The concrete structure of condensing equipment is as follows: referring to fig. 1, the cooling device comprises a housing 31, and a smoke inlet pipe 32, a smoke outlet member 33, and a smoke outlet pipe 34 arranged in the housing 31, wherein a space for introducing a cooling medium is formed inside the housing 31, and the cooling medium can circulate between the housing and a cold source, so that the cooling effect is greatly improved, and the energy is saved. The material of the shell is preferably transparent glass, so that the shell is convenient to observe.
One end of the smoke inlet pipe 32 is used for being communicated with the sampling pipe 2, and the other end is communicated with the liquid outlet part 33; one end of the smoke outlet pipe 34 is communicated with the smoke outlet member 33, and the other end is used for being connected with the smoke analyzer 1. The flue gas in the boiler enters the smoke inlet pipe through the sampling pipe, after the temperature of the flue gas is reduced by the cooling medium in the shell, the moisture in the flue gas flows out through the liquid outlet part under the action of gravity, and the separated flue gas is discharged into the flue gas analyzer 1 through the smoke outlet pipe.
Preferably, a medium inlet pipe 18 and a medium outlet pipe 19 are arranged outside the shell, the medium inlet pipe and the medium outlet pipe are preferably arranged on the same side of the shell, and the medium inlet pipe, the medium outlet pipe and the smoke inlet pipe are preferably arranged on two sides of the shell. A medium outlet of the cold source 4 is communicated with a medium inlet pipe of the condensing assembly and is used for conveying a cooling medium (cooling water inlet) with a certain temperature into the shell through the medium inlet pipe; a medium inlet of the cold source 4 is communicated with a medium outlet pipe of the condensing assembly and is used for recovering a cooling medium (cooling water return water) absorbing heat of the high-temperature flue gas; the condensing assembly and the cold source are arranged, so that the circulation of the cooling medium between the shell and the cold source and the heat transfer can be realized, and the energy is saved.
Preferably, the medium advances the pipe setting in medium exit tube below for coolant retention time is long in the casing, and easily discharges coolant, improves cold exchange efficiency, improves cooling speed.
The high-temperature flue gas sampling and analyzing device further comprises a temperature detection part 17 arranged at the outlet of the flue gas outlet pipe 34 so as to detect the temperature of the flue gas passing through the flue gas outlet pipe 34 after being cooled.
The high-temperature flue gas sampling and analyzing device also comprises a condensate collecting part 16 arranged at the outlet of the liquid outlet part 33, such as a container with an accommodating space in any shape, wherein the material of the container is preferably transparent plastic, so that the observation is convenient; the condensate collecting part 16 is used for collecting the moisture discharged from the outlet of the liquid outlet member 33, so that the condensate is convenient to recycle.
The high-temperature flue gas sampling and analyzing device further comprises a plugging component used for sealing the outlet of the sampling channel, after sampling detection is completed, the sampling pipe, the fastening mechanism and the cooling and separating mechanism are removed, and the outlet of the sampling channel is sealed by the plugging component to prevent flue gas from leaking outwards.
One specific structure of the plugging component is as follows: referring to fig. 3 and 4, the plugging device comprises a plugging plate 10, a connecting pipe 11 and a plugging sheet 12, wherein one end of the connecting pipe 11 is connected with the plugging plate 10, and the plugging sheet 12 is connected with the other end of the connecting pipe 11. The blanking plate 10 is of solid construction and is preferably connected to the first fastening flange by means of fasteners (bolt and nut assemblies). The connecting pipe 11 is preferably a hollow circular pipe structure, and the connecting pipe 11 is provided with a plurality of heat conducting holes 111 to reduce the heat transfer speed of the flue gas. The plugging piece 12 is arranged at one end, far away from the plugging plate 10, of the connecting pipe 11, the plugging piece is preferably a thin disc, the diameter of the plugging piece is slightly smaller than that of the sampling sleeve, and when the plugging piece 12 is arranged in the sampling sleeve, the plugging piece can be tightly matched with the sampling sleeve to prevent smoke from leaking outside.
After sampling test, remove sampling pipe earlier, fastening device, cooling separating mechanism, install the shutoff subassembly again, sampling passageway is passed in proper order to shutoff piece 12 and connecting pipe for shutoff board 10 and boiler outer casing fixed connection, or when keeping first fastening flange, sampling passageway is stretched into in shutoff piece 12 and connecting pipe through first fastening flange hole, shutoff board 10 and first fastening flange fixed connection, can be sealed the shutoff of sampling passageway export, do not influence boiler normal use. When sampling detection is needed, the plugging assembly is removed firstly, and then sampling detection is carried out by using the sampling pipe, the fastening mechanism, the cooling and separating mechanism and the flue gas analyzer.
The invention provides a high-temperature flue gas sampling and analyzing device of a waste heat boiler, which has a detection use state and a sealing use state, wherein in the detection use state, a smoke inlet end of a sampling pipe 2 extends into a sampling channel at a boiler inlet and is fixed, a smoke outlet end of the sampling pipe 2 is connected with a cooling separation mechanism, and the cooling separation mechanism is connected with a flue gas analyzer 1.
Under sealed user state, with sampling pipe, fastening device (can only remove second fastening flange, remain first fastening flange, improve sealing performance), the cooling separating mechanism removes, installs the shutoff subassembly again and seals sampling channel export shutoff.
According to the high-temperature flue gas sampling and analyzing device for the waste heat boiler, provided by the invention, flue gas in the boiler can be sampled by arranging the sampling pipe and the fastening piece, and the sealing effect is good during sampling; by arranging the cooling separation mechanism, the flue gas is cooled and simultaneously the moisture in the flue gas is separated, so that the temperature and the humidity of the flue gas are reduced; when the sampling detection is not carried out, the outlet of the sampling channel is sealed by installing the plugging component, so that the normal use of the boiler is not influenced. The high-temperature flue gas sampling and analyzing device for the waste heat boiler, provided by the invention, is safe to use, has a good sealing effect, and not only improves the detection efficiency, but also improves the detection precision.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-temperature flue gas sampling and analyzing device of a waste heat boiler is characterized by comprising a sampling mechanism, a fastening mechanism, a cooling separation mechanism and a flue gas analyzer (1),
the sampling mechanism comprises a sampling pipe (2), one end of the sampling pipe (2) is a smoke inlet end, the other end of the sampling pipe is a smoke outlet end, and the smoke inlet end of the sampling pipe (2) is used for extending into a sampling channel at an inlet of the boiler;
the fastening mechanism is used for limiting the axial movement of the sampling tube (2) along the sampling channel;
the cooling and separating mechanism is used for cooling the smoke flowing out through the sampling pipe (2) and separating moisture of the smoke circulating in the cooling and separating mechanism;
the flue gas analyzer (1) is used for analyzing the separated flue gas;
under the detection use state, the smoke outlet end of the sampling pipe (2) is connected with the cooling separation mechanism, and the cooling separation mechanism is connected with the smoke analyzer (1).
2. The waste heat boiler high-temperature flue gas sampling and analyzing device as recited in claim 1, characterized in that the cooling separation mechanism comprises a condensing assembly (3) and a cold source (4), wherein the cold source (4) is used for providing a cooling medium to the condensing assembly (3); the condensing assembly (3) is connected with the sampling pipe (2) and the cold source (4).
3. The high-temperature flue gas sampling and analyzing device of the waste heat boiler as recited in claim 2, wherein the condensing device comprises a housing (31), and a flue gas inlet pipe (32), a flue gas outlet part (33) and a flue gas outlet pipe (34) which are arranged in the housing (31), a space for introducing a cooling medium is formed inside the housing (31), one end of the flue gas inlet pipe (32) is used for being communicated with the sampling pipe (2), and the other end of the flue gas inlet pipe is communicated with the flue gas outlet part (33); one end of the smoke outlet pipe (34) is communicated with the smoke outlet piece (33), and the other end of the smoke outlet pipe is connected with the smoke analyzer (1).
4. The device for sampling and analyzing the high-temperature flue gas of the waste heat boiler as recited in claim 3, further comprising a condensate collecting member (16) disposed at the outlet of the liquid outlet member (33), wherein the condensate collecting member (16) is used for collecting the moisture discharged through the outlet of the liquid outlet member (33).
5. The high-temperature flue gas sampling and analyzing device for the waste heat boiler according to claim 1, characterized in that the sampling mechanism further comprises a sampling sleeve (5), the sampling sleeve (5) is arranged in the sampling channel and is used for the sampling pipe (2) to pass through, and a plurality of heat transfer holes (51) are formed in the sampling sleeve (5).
6. The high-temperature flue gas sampling and analyzing device of the waste heat boiler as recited in claim 1, characterized in that the fastening mechanism comprises a flange assembly and a fixing member (6).
7. The high-temperature flue gas sampling and analyzing device according to claim 6, wherein the flange assembly comprises a first fastening flange (7), a second fastening flange (8) and a sealing gasket (9) arranged between the first fastening flange (7) and the second fastening flange (8), the first fastening flange (7) is used for being fixed on an outer protecting plate of a boiler, and the second fastening flange (8) is used for being connected with the first fastening flange (7).
8. The high-temperature flue gas sampling and analyzing device of the waste heat boiler as recited in claim 6, characterized in that the fixing member (6) is provided with a clamping space for clamping the sampling pipe (2) passing through the clamping space.
9. The exhaust-heat boiler high temperature flue gas sampling and analyzing device of claim 1, characterized in that the high temperature flue gas sampling and analyzing device further comprises a plugging component for sealing the outlet of the sampling channel.
10. The high-temperature flue gas sampling and analyzing device of the waste heat boiler according to claim 9, wherein the plugging assembly comprises a plugging plate (10), a connecting pipe (11) and a plugging sheet (12), one end of the connecting pipe (11) is connected with the plugging plate (10), the plugging sheet (12) is connected with the other end of the connecting pipe (11), and the connecting pipe (11) is provided with a plurality of heat conducting holes (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409763.1A CN113375984A (en) | 2021-04-16 | 2021-04-16 | High-temperature flue gas sampling and analyzing device of waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409763.1A CN113375984A (en) | 2021-04-16 | 2021-04-16 | High-temperature flue gas sampling and analyzing device of waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113375984A true CN113375984A (en) | 2021-09-10 |
Family
ID=77570664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110409763.1A Pending CN113375984A (en) | 2021-04-16 | 2021-04-16 | High-temperature flue gas sampling and analyzing device of waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113375984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624569A (en) * | 2021-09-24 | 2021-11-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Drum-type continuous online multi-fixed-point circulating flue gas sampling and detecting device |
| US20220228730A1 (en) * | 2021-01-20 | 2022-07-21 | Guanghai Li | Quick connection device for ceiling fan and lamp with waterproof function |
-
2021
- 2021-04-16 CN CN202110409763.1A patent/CN113375984A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220228730A1 (en) * | 2021-01-20 | 2022-07-21 | Guanghai Li | Quick connection device for ceiling fan and lamp with waterproof function |
| US11402084B1 (en) * | 2021-01-20 | 2022-08-02 | Guanghai Li | Quick connection device for ceiling fan and lamp with waterproof function |
| CN113624569A (en) * | 2021-09-24 | 2021-11-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Drum-type continuous online multi-fixed-point circulating flue gas sampling and detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113375984A (en) | High-temperature flue gas sampling and analyzing device of waste heat boiler | |
| US5493923A (en) | Process and device for taking samples from waste gases | |
| CN215004522U (en) | High-temperature flue gas sampling and analyzing device of waste heat boiler | |
| CN102954900A (en) | Method for sampling special organic gas in flue gas | |
| KR100516588B1 (en) | Hot spot detection system for vanes or blades of a combustion turbine | |
| CN102455258A (en) | Trapping device for sampling dioxin in flue gas and application thereof | |
| CN108120622B (en) | Gas sampling device capable of preventing dust and heating | |
| CA2423408C (en) | Particulate and process gas stream sampler | |
| CN106405015A (en) | System for testing high-ash flue gas composition of boiler | |
| JP3213883B2 (en) | Condensate separation equipment | |
| KR101825639B1 (en) | Method and apparatus for abating plume generated from cooling tower, and cooling facility having the apparatus | |
| CN1238722C (en) | Combustible gas calorific value on-line analysis method and detecting device thereof | |
| CN213623294U (en) | Black carbon separation device | |
| CN209934280U (en) | Gas flow liquefying and purifying device | |
| CN212008309U (en) | Device for prolonging maintenance period of air chamber of heat-wet method ultraviolet flue gas analyzer | |
| CN203216909U (en) | Gas analysis system | |
| JP3494945B2 (en) | Organic compound analyzer | |
| CN220019080U (en) | Flue gas collection device for fire-resistant test of fire-resistant member | |
| CN215831927U (en) | Pollution control type waste incineration equipment | |
| CN206414955U (en) | A kind of plasma exhaust processor | |
| CN213121314U (en) | Novel flue gas sampling device | |
| CN206935421U (en) | A kind of multi-functional all steel side platform | |
| CN112973352B (en) | Exhaust treatment device with self-checking mechanism | |
| CN205373277U (en) | Dust removal drying device of sapphire | |
| CN217385404U (en) | Asphalt flue gas on-line monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |