CN218330820U

CN218330820U - High dust sample gas sampling and analyzing device

Info

Publication number: CN218330820U
Application number: CN202222172805.7U
Authority: CN
Inventors: 李昊东; 乔栋
Original assignee: Suzhou Shengshiyu Analytical Technology Co ltd
Current assignee: Suzhou Shengshiyu Analytical Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a high dust sample gas sampling analysis device, include: zirconia oxygen analysis appearance, leading sample probe, the tee bend installation pipe of having the filter are provided with the air guide flange on tee bend installation pipe, are connected with sample gas inlet pipe and sample gas exit tube on the air guide flange, and sample gas inlet pipe links to each other with the sample gas import in the zirconia oxygen analysis appearance, installs fixed seal ware on tee bend installation pipe, fixed seal ware includes: the casing is provided with the appearance gas export that links to each other with the appearance gas exit tube on the casing, is provided with the suspension compressor body in the casing, is connected with the sample probe tube of leading filter on suspending the compressor body, is provided with runner groove and venthole on the lateral wall that hangs the compressor body, and the sample probe tube of leading filter stretches out downwards in tee bend installation pipe, is connected with the pressure subassembly on the casing, and the pressure subassembly supports and leans on suspending the compressor body. When the filter is cleaned or replaced, the zirconia oxygen analyzer does not need to be disassembled or assembled and powered off, so that the zirconia oxygen analyzer is protected.

Description

High dust sample gas sampling and analyzing device

Technical Field

The utility model relates to a fume emission monitoring technology field especially relates to a high dust sample gas sampling analysis device.

Background

In the industries of metallurgy, petrifaction, chemical industry and the like, the oxygen content of the flue gas is an important economic operation assessment index in boiler atmospheric pollutant monitoring, and the value is a key for determining whether the pollutant emission concentration reaches the standard to a certain extent, so that the oxygen content of the flue gas needs to be monitored in real time.

The zirconia oxygen analyzer has the advantages of simple structure, short corresponding time, wide leakage detection range, high use temperature, reliable operation, convenient installation and the like, so the zirconia oxygen analyzer is widely used. When using the zirconia oxygen analyzer, need to fix zirconia oxygen analyzer 1 on the process line, then connect the sampling probe 2 of leading to the filter 21 on the sample gas inlet 11 of zirconia oxygen analyzer 1, then stretch into the process line with the filter 21 with sampling probe 2, as shown in fig. 1, the structure among the zirconia oxygen analyzer 1 is as follows: the zirconium oxide oxygen analyzer is characterized in that a sample gas inlet 11, a tail gas outlet 12, a standard gas inlet 13 and a compressed air inlet 14 are arranged on a zirconium oxide oxygen analyzer 1, the compressed air inlet 14 is connected with a tee joint 15, one end of the tee joint 15 is connected with a reference side in a zirconium oxide sensor 16, an analysis side in the zirconium oxide sensor 16 is connected with the sample gas inlet 11, the standard gas inlet 13 is connected between the sample gas inlet 11 and the zirconium oxide sensor 16, the analysis side in the zirconium oxide sensor 16 is connected with a left inlet end of an ejector 17, an upper inlet end of the ejector 17 is connected with the other end of the tee joint 15, a lower outlet end of the ejector 17 is connected with the tail gas outlet 12, flame arresters 18 are arranged between the sample gas inlet 12 and the zirconium oxide sensor 16 and between the ejector 17 and the zirconium oxide sensor 16, and the working principle is as follows: compressed air enters the zirconia oxygen analyzer 1 through a compressed air inlet 14, part of the air enters a reference side of a zirconia sensor 16 through a tee joint 15 and serves as reference gas, the other part of the air enters an ejector 17 through the tee joint 15, the ejector 17 accelerates the air to be discharged from a tail gas outlet 12 to a process pipeline after pressurizing the air, negative pressure can be formed in a left inlet end of the ejector 17 when the air flows in an accelerated manner through pressurization, the ejector 17 can suck process measured gas in the process pipeline from a sample gas inlet 11 to an analysis side of the zirconia sensor 16 through the negative pressure, then analysis is carried out according to the reference gas, and the analyzed tail gas is discharged from the tail gas outlet 12 to the process pipeline under the action of the ejector 17. In the process, the gas to be measured in the process is filtered by the filter 21 and then enters the sampling probe 2, and then enters the analysis side of the zirconia sensor 16 from the sample gas inlet 11, because a large amount of dust exists in the gas to be measured in the process, the preposed filter needs to be cleaned or replaced regularly, but from the structure and the figure 1, when the filter is taken out, the whole zirconia analyzer needs to be detached from the process pipeline, then the sampling probe and the filter can be pulled out from the process pipeline, in the process, the zirconia analyzer needs to be powered off and cooled, then the zirconia analyzer can be detached, and after the cleaning or replacement of the filter is completed, the installation, the power on and the temperature rise are carried out, the whole operation is very complicated, and the zirconia analyzer is a high-precision instrument, and is easy to break down and even scrap when the filter is frequently detached and powered on.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a do not need to carry out dismouting, outage to the zirconia analysis appearance and just can wash, change the high dust sample gas sampling analysis device of filter.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a high dust sample gas sampling and analysis device, comprising: zirconia oxygen analysis appearance, the sampling probe of leading filter, be provided with tee bend installation pipe between zirconia oxygen analysis appearance and sampling probe, be provided with the air guide flange on the side port of tee bend installation pipe, set up the inlet port that communicates with the flange hole of air guide flange on the lateral wall of air guide flange, be connected with sample gas respectively at the both ends of inlet port and advance pipe and sample gas exit tube, zirconia oxygen analysis appearance links to each other with the air guide flange, the tail gas outlet among the zirconia oxygen analysis appearance corresponds with the flange hole of air guide flange, sample gas advances in pipe and the zirconia oxygen analysis appearance and imports continuously, install fixed seal ware on the tip hole of tee bend installation pipe, fixed seal ware includes: the shell is welded with a top end hole in the three-way mounting pipe, a sample gas outlet is formed in the shell, the sample gas outlet is connected with a sample gas outlet pipe, a hanging pressing body is arranged in the shell, a connecting hole is formed in the bottom of the hanging pressing body, a sampling probe pipe with a front filter is connected downwards in the connecting hole, the sampling probe pipe with the front filter downwards extends out of a bottom end hole of the three-way mounting pipe, a flow channel groove is formed in the side wall of the hanging pressing body, a plurality of air outlet holes communicated with the connecting hole are uniformly distributed in the flow channel groove along the circumference, when the hanging pressing body is pressed into the shell, the flow channel groove in the hanging pressing body is aligned with the sample gas outlet in the shell, a pressing assembly is connected to the shell, and the pressing assembly abuts against the hanging pressing body and presses the hanging pressing body downwards.

Further, aforementioned high dust sample gas sampling analytical equipment, wherein, the cladding has the heat preservation on the appearance gas exit tube.

Further, the aforesaid high dust sample gas sampling analytical equipment, wherein, compress tightly the subassembly and include: the clamping device comprises a connecting column, wherein a pressing block is arranged at the bottom of the connecting column, a pressing plate is arranged on the connecting column, first quick-release holes are formed in the left side and the right side of the pressing plate respectively, the two first quick-release holes are in the same circumference and are symmetrically inverted, a supporting column is vertically arranged on the left side and the right side of a shell respectively, and a first T-shaped pressing column is arranged at the top of the supporting column.

Further, aforementioned high dust sample gas sampling analytical equipment, wherein, be provided with the handle at the top of spliced pole.

Furthermore, aforementioned high dust sample gas sampling analytical equipment, wherein, the activity is worn to be equipped with on the spliced pole and is compressed tightly the lid, is provided with a second quick detach hole respectively in the left and right sides that compresses tightly the lid, and two second quick detach holes are on same circumference and the symmetry is invertd, are provided with second T type respectively in the left and right sides at the top that hangs the compression body and compress tightly the post.

Further, aforementioned high dust sample gas sampling analytical equipment, wherein, be provided with a plurality of sealing washers between suspension clamp body and casing.

The utility model has the advantages that: the zirconia oxygen analyzer is connected with a process pipeline through a tee joint mounting pipe, a fixed sealer is welded on the tee joint mounting pipe, a hanging pressing body is arranged in the fixed sealer in a sealing mode, a sampling probe pipe with a filter arranged in front is connected to the hanging pressing body, the zirconia oxygen analyzer is not directly connected with the sampling probe pipe, when the filter is cleaned or replaced, only the hanging pressing body, the sampling probe pipe and the filter need to be taken out of the tee joint mounting pipe, the zirconia oxygen analyzer does not need to be disassembled and powered off, and therefore the zirconia oxygen analyzer is protected; the sample gas outlet in the fixed sealer is connected with the sample gas inlet in the zirconia oxygen analyzer through the gas guide flange, the sample gas outlet pipe and the sample gas inlet pipe which are connected with the gas guide flange, so that the lengths of the sample gas outlet pipe and the sample gas inlet pipe can be reduced, the conveying time of the process measured gas is reduced, the heat preservation of the process measured gas is facilitated, and the maintenance of the sample gas outlet pipe and the sample gas inlet pipe is facilitated; the first quick-release hole in the pressing assembly and the first T-shaped pressing column in the supporting column of the shell are matched to enable the pressing assembly and the fixed sealer to be quickly disassembled and assembled, so that the connecting structure between the pressing assembly and the fixed sealer can be simplified, and the disassembling and assembling efficiency can be improved.

Drawings

Fig. 1 is a schematic structural view of a connection structure between a zirconia oxygen analyzer and a process pipe and a sampling probe with a filter in front in the prior art.

Fig. 2 is a schematic structural diagram of the high dust sample gas sampling and analyzing device of the present invention.

Fig. 3 is a schematic view of the connection structure between the hold-down assembly, the suspended hold-down body, and the stationary sealer of fig. 2.

Fig. 4 is a schematic perspective view of a quick release structure between a suspended pressing body and a pressing cover, and between a pressing assembly and a housing.

Detailed Description

The technical solution of the present invention will be further described with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 2, fig. 3 and fig. 4, the utility model provides a high dust sample gas sampling and analyzing device, which comprises: zirconia oxygen analysis appearance 1, leading sample probe 2 of having filter 21, be provided with tee bend installation pipe 3 between zirconia oxygen analysis appearance 1 and sample probe 2, be provided with air guide flange 4 on the side end hole of tee bend installation pipe 3, set up the inlet port 41 that communicates with the flange hole of air guide flange 4 on the lateral wall of air guide flange 4, both ends at inlet port 41 are connected with sample gas respectively and advance pipe 42 and sample gas exit tube 43, the cladding has heat preservation 44 on sample gas exit tube 43, heat preservation 44 can make the technology remain high temperature state by the gas of being surveyed always, thereby can carry out the analysis by the zirconia inductor among zirconia analysis appearance 1, zirconia oxygen analysis appearance 1 links to each other with air guide flange 4, tail gas outlet 12 among zirconia oxygen analysis appearance 1 corresponds with the flange hole of flange air guide, sample gas advances pipe 42 and links to each other with sample gas inlet 11 among zirconia oxygen analysis appearance 1, install fixed sealer 5 on the top hole of tee bend installation pipe 3, fixed sealer 5 includes: a shell 51 welded to a top hole in the three-way mounting tube 3, a sample gas outlet 52 is provided on the shell 51, the sample gas outlet 52 is connected to the sample gas outlet tube 43, a suspended pressing body 6 is provided in the shell 51, a plurality of sealing rings 61 are provided between the suspended pressing body 6 and the shell 51, the sealing rings 61 can form a sealing connection between the suspended pressing body 6 and the shell 51, thereby preventing the gas leakage of the process, a connecting hole 62 is provided at the bottom of the suspended pressing body 6, a sampling probe 2 with a front filter 21 is downwardly connected to the connecting hole 62, the sampling probe 2 with the front filter 21 downwardly extends out of the bottom hole of the three-way mounting tube 3, a flow channel groove 63 is provided on the sidewall of the suspended pressing body 6, a plurality of gas outlets 64 communicated with the connecting hole 62 are circumferentially distributed in the flow channel groove 63, when the suspended pressing body 6 is pressed into the shell 51, the flow channel groove 63 on the suspended pressing body 6 is aligned with the sample gas outlet 52 on the shell 51, a pressing suspension assembly 7 is connected to the shell 51, the pressing assembly 7 abuts on the suspended pressing body 6 and abuts against the pressing body 6, and the pressing assembly 7 comprises: the quick-release type clamping device comprises a connecting column 71, a handle 72 is arranged at the top of the connecting column 71, a press block 73 is arranged at the bottom of the connecting column 71, the press block 73 is pressed against a suspended pressing body 6, a pressing plate 74 is arranged on the connecting column 71, a first quick-release hole 75 is respectively arranged on the left side and the right side of the pressing plate 74, the two first quick-release holes 75 are on the same circumference and are symmetrically inverted, a supporting column 53 is respectively vertically arranged on the left side and the right side of a shell 51, a first T-shaped pressing column 54 is arranged on the top of the supporting column 53, a pressing component 7 is respectively sleeved on the first T-shaped pressing columns 54 of the two supporting columns 53 through large holes in the two first quick-release holes 75 in the pressing plate 74, then the connecting column 71 is pressed downwards through the handle 72, the pressing plate 74 abuts against the supporting column 53, then the connecting column 71 is rotated clockwise, the two first T-shaped pressing columns 54 are respectively aligned with small holes in the two first quick-release holes 75, then the handle 72 is loosened, and the first T-shaped pressing column 54 is clamped with small holes in the first quick-release holes 75, so that the quick-release component 7 is connected with the shell 51. In order to prevent the compression assembly 7 from displacing, the compression cover 8 is movably arranged on the connecting column 71 in a penetrating manner, second quick-release holes 81 are respectively formed in the left side and the right side of the compression cover 8, the two second quick-release holes 81 are on the same circumference and are symmetrically inverted, second T-shaped compression columns 65 are respectively arranged on the left side and the right side of the top of the suspended compression body 6, the compression cover 8 is sleeved on the two second T-shaped compression columns 65 of the suspended compression body 6 through large holes in the two second quick-release holes 81, the compression cover 8 is pushed and pressed downwards and rotates anticlockwise, the two second T-shaped compression columns 65 are respectively aligned with small holes in the two second quick-release holes 81, then the compression cover 8 is loosened, the second T-shaped compression columns 65 are clamped with small holes in the second quick-release holes 81, quick-release connection between the compression cover 8 and the suspended compression body 6 is realized, and the compression assembly 7 can be limited by fixing the compression cover 8 on the suspended compression body 6.

The utility model discloses a theory of operation as follows: the process gas in the process pipeline is filtered by the filter 21 and then enters the sampling probe 2, then enters the gas outlet 64 in the suspended pressing body 6 along the sampling probe 2, the process gas in the gas outlet 64 enters the sample gas outlet 52 of the fixed sealer 5 along the flow channel groove 63, then enters the sample gas inlet 11 of the zirconia oxygen analyzer 1 from the sample gas outlet 52 through the sample gas outlet pipe 43, the gas inlet 41 and the sample gas inlet pipe 42, then enters the zirconia sensor of the zirconia oxygen analyzer 1 for oxygen content analysis, and finally is discharged from the tail gas outlet 12 to the tee joint mounting pipe 3 through the ejector of the zirconia oxygen analyzer 1 and returns to the process pipeline. When the filter 21 needs to be cleaned or replaced, the compressing assembly 7 is pressed downwards, then the compressing assembly 7 is rotated anticlockwise, two first T-shaped compressing columns 54 on the shell 51 are aligned with large holes in two first quick-release holes 75 on the compressing assembly 7 respectively, then the compressing assembly 7 is lifted upwards, the suspending compressing body 6, the sampling probe tube 2 connected with the suspending compressing body 6 and the filter 21 arranged on the sampling probe tube 2 are taken out from the three-way mounting tube 3 through the compressing cover 8 by the compressing assembly 7, the gas in the process pipeline cannot leak in a large range after the suspending compressing body 6 is taken out, only the suspending compressing body 6 without the air outlet 64 needs to be replaced in the shell 51 of the fixed sealer 5, then a worker can clean or replace the filter 21, the cleaned or replaced filter 21 is installed on the sampling probe tube 2 again, then the sampling probe tube 2 and the filter 21 are suspended in the process pipeline again through the suspending compressing body 6, the compressing body 6 extends into the shell to compress the shell 51 for compressing, the compressing assembly 7 is fixed in the shell 51 and is matched with the first quick-release oxygen analyzer in the process of the first quick-release oxygen-release hole 75, and the whole zirconia plug 51 is not needed to be disassembled and the oxygen analyzer.

Claims

1. A high dust sample gas sampling and analyzing device, comprising: zirconia oxygen analysis appearance, leading sampling probe of having filter, its characterized in that: be provided with tee bend installation pipe between zirconia oxygen analysis appearance and sample probe, be provided with the air guide flange on the side end opening of tee bend installation pipe, set up the inlet port that communicates with the flange hole of air guide flange on the lateral wall of air guide flange, be connected with sample gas respectively at the both ends of inlet port and advance pipe and sample gas exit tube, zirconia oxygen analysis appearance links to each other with the air guide flange, tail gas outlet among the zirconia oxygen analysis appearance corresponds with the flange hole of air guide flange, sample gas advances the pipe and links to each other with the sample gas import among the zirconia oxygen analysis appearance, install fixed seal ware on the top end hole of tee bend installation pipe, fixed seal ware includes: the shell is welded with a top end hole in the three-way mounting pipe, a sample gas outlet is arranged on the shell and is connected with a sample gas outlet pipe, a suspended pressing body is arranged in the shell, a connecting hole is arranged at the bottom of the suspended pressing body, a sampling probe pipe with a front filter is downwards connected in the connecting hole, the sampling probe pipe with the front filter downwards extends out of a bottom end hole of the three-way mounting pipe, a flow channel groove is arranged on the side wall of the suspended pressing body, a plurality of air outlet holes communicated with the connecting hole are evenly distributed in the flow channel groove along the circumference, when the suspended pressing body is pressed into the shell, the flow channel groove on the suspended pressing body is aligned with the sample gas outlet on the shell, a pressing assembly is connected on the shell and abuts against the suspended pressing body and downwards abuts against the suspended pressing body to suspend the pressing body.

2. The high dust sample gas sampling and analyzing device of claim 1, wherein: the sample gas outlet pipe is coated with a heat insulation layer.

3. A high dust sample gas sampling and analysis device according to claim 1 or 2, wherein: the compression assembly includes: the bottom of the connecting column is provided with a pressing block, the connecting column is provided with a pressing plate, the left side and the right side of the pressing plate are respectively provided with a first quick-release hole, the two first quick-release holes are arranged on the same circumference and are symmetrically inverted, the left side and the right side of the shell are respectively vertically provided with a supporting column, and the top of the supporting column is provided with a first T-shaped pressing column.

4. A high dust sample gas sampling and analysis device according to claim 3, wherein: the top of the connecting column is provided with a handle.

5. A high dust sample gas sampling and analysis device according to claim 3, wherein: the left side and the right side of the connecting column are respectively provided with a second quick-release hole, the two second quick-release holes are arranged on the same circumference and are symmetrically inverted, and the left side and the right side of the top of the suspended pressing body are respectively provided with a second T-shaped pressing column.

6. A high dust sample gas sampling and analysis device according to claim 1 or 2, wherein: and a plurality of sealing rings are arranged between the suspension pressing body and the shell.