CN208833564U - Smoke sampling probe compressed air preheating apparatus - Google Patents
Smoke sampling probe compressed air preheating apparatus Download PDFInfo
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- CN208833564U CN208833564U CN201821438763.4U CN201821438763U CN208833564U CN 208833564 U CN208833564 U CN 208833564U CN 201821438763 U CN201821438763 U CN 201821438763U CN 208833564 U CN208833564 U CN 208833564U
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- sampling
- compressed air
- heat block
- side heat
- feeler lever
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Abstract
The utility model discloses a kind of smoke sampling probe compressed air preheating apparatus, it includes front filter element, sample feeler lever, mounting flange, left side heat block, right side heat block, measurement sensor, heating rod, temperature transducer, measure chamber, sample solenoid valve, blowback solenoid valve, jet stream sampling pump, compressed air pre-add pipe line, air purifier, front filter element is located at the front end of sampling feeler lever, sampling feeler lever rear end is connect with mounting flange, the other side of mounting flange is connected with measurement chamber, left side heat block and right side heat block are separately installed at left and right sides of measurement chamber, heating rod and temperature transducer are separately fixed on left side heat block and right side heat block, compressed air pre-add pipe line be spirally wound on sampling feeler lever on etc..It is high temperature that the utility model, which samples system no matter with the compressed air used when system blowback in progress jet stream, clean, solves sampling probe blockage problem.
Description
Technical field
The utility model relates to a kind of compressed air preheating apparatus, popping one's head in more particularly to a kind of smoke sampling, it is empty to compress
Gas preheating apparatus.
Background technique
According to China relevant environmentally friendly law, laws and regulations requirement, the gases such as the flue dust to discharge of pollutant sources, SO2, NOx are needed
Carry out real time on-line monitoring, while and by these data real-time transmissions to environment monitoring platform, the equipment of test is flue gas emission
Continuous monitor system (CEMS), smoke sampling probe are responsible for taking out flue gas, so as a part important in CEMS system
Analysis detection unit is conveyed afterwards, and sampling probe is easy to be blocked by soot dust granule object, especially be easier when flue gas water content is high
Blocking, this is because, in order to solve blockage problem, the method generallyd use has caused by condensed water and particulate matter agglomerate in flue gas
Install sampling probe filter additional, to sampling feeler lever and the heating of measurement chamber, increase back-blowing device etc..
The back-blowing device of probe is usually made of solenoid valve and corresponding gas circuit, passes through the on-off of timing controlled solenoid valve
Clean compressed air is passed into the sampling feeler lever of flue gas, the inner wall of cleaning sampling feeler lever.But it is used at the scene at present
Compressed air temperature it is lower and not necessarily clean, in this way since sampling spy will be additionally reduced when equipment blowback
The temperature of chamber, if compressed air is unholiness, there is also the pollutions for blocking feeler lever, for this purpose, the utility model proposes one kind to be used for
Compressed air purifying, the preheating integrating device of sampling probe, so that no matter system is carrying out jet stream sampling and system blowback
When the compressed air that uses be high temperature, it is clean, to escort to solve sampling probe blockage problem.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of smoke sampling pop one's head in compressed air preheating apparatus,
It is high temperature that it, which samples system no matter with the compressed air used when system blowback in progress jet stream, clean, solution
Certainly sampling probe blockage problem.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of smoke sampling probe compression
Air preheating apparatus, which is characterized in that it includes that front filter element, sampling feeler lever, mounting flange, left side heat block, right side add
Heat block, measurement sensor, heating rod, temperature transducer, measurement chamber, sampling solenoid valve, blowback solenoid valve, jet stream sampling pump,
Compressed air pre-add pipe line, air purifier, front filter element are located at the side of sampling feeler lever, sample the other side and the peace of feeler lever
The side connection of flange is filled, the other side of mounting flange is connected with measurement chamber, measures and be separately installed at left and right sides of chamber
Left side heat block and right side heat block, heating rod and temperature transducer are separately fixed on left side heat block and right side heat block,
Compressed air pre-add pipe line is spirally wound on sampling feeler lever, and air purifier is located at the starting of compressed air pre-add pipe line
End, measurement sensor are located on measurement chamber locular wall, and sampling solenoid valve passes through compressed air pre-add pipe line and jet stream sampling pump
It is connected, blowback solenoid valve is connected by compressed air pre-add pipe line with measurement chamber.
Preferably, the mounting flange is aperture flange.
Preferably, mounting hole is provided on the left side heat block and right side heat block.
Preferably, mounting flange and measurement greenhouse pass through welding one zoarium of formation.
Preferably, pre-add heat treatment has been carried out to the jet stream gas and blowback air of sampling probe.
The positive effect of the utility model is: the utility model makes no matter system is carrying out jet stream sampling and be
Unite blowback when the compressed air that uses be high temperature, it is clean, solve sampling probe blockage problem, can be to sucking flue gas
Pre-add heat treatment is carried out, structure is simple and stablizes, and safety coefficient is high, and it is easy to use, it in addition can effectively reduce the general of feeler lever blocking
Rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the elements such as left side heat block in the utility model, right side heat block, measurement chamber.
Specific embodiment
The utility model preferred embodiment is provided, with reference to the accompanying drawing the technical solution of the utility model is described in detail.
As depicted in figs. 1 and 2, the utility model smoke sampling probe compressed air preheating apparatus include front filter element 1,
Sample feeler lever 2, mounting flange 3, left side heat block 4, right side heat block 5, measurement sensor 6, heating rod 7, temperature transducer 8,
It is net to measure chamber 9, sampling solenoid valve 10, blowback solenoid valve 11, jet stream sampling pump 12, compressed air pre-add pipe line 13, air
Change device 14, front filter element 1 is located at the side of sampling feeler lever 2, and the other side of sampling feeler lever 2 connect with the side of mounting flange 3, pacifies
The other side for filling flange 3 is connected with measurement chamber 9, and the left and right sides of measurement chamber 9 is separately installed with left side heat block 4 and right side
Heat block 5, heating rod 7 and temperature transducer 8 are separately fixed on left side heat block 4 and right side heat block 5, compressed air pre-add
Pipe line 13 is spirally wound on sampling feeler lever 2, and air purifier 14 is located at the starting point of compressed air pre-add pipe line 13, is surveyed
Quantity sensor 6 is located on measurement 9 locular wall of chamber, and sampling solenoid valve 10 passes through compressed air pre-add pipe line 13 and jet stream sampling pump
12 are connected, and blowback solenoid valve 11 is connected by compressed air pre-add pipe line 13 with measurement chamber 9.
The mounting means of left side heat block 4 and right side heat block 5 is screw fixed form, can prevent heat block from moving in this way
It is dynamic, the security performance of enhancement device.
Mounting hole is provided on left side heat block 4 and right side heat block 5 so that it is convenient to heating rod 7 and temperature transducer 8
It is installed on disassembly.
Mounting flange 3 and measurement greenhouse can guarantee that measuring gas does not leak, and surveys by welding one zoarium of formation in this way
Amount chamber can be communicated with mounting flange, sampling feeler lever, accomplish communicating for flue gas gas circuit, the security performance of enhancement device.
The working principle of the utility model is as follows: the material of front filter element is sintered stainless steel or porous ceramics etc., is passed through
Hickey is mounted on the side of sampling feeler lever.Mounting flange and measurement chamber sample feeler lever by being welded to form a zoarium
The other side pass through hickey and flanged joint.Measurement chamber is made of the stainless steel module of a cube, and centre is provided with
Circular hole, the aperture end of circular hole and mounting flange weld, and mounting flange is aperture flange, and hole and the aperture of measurement chamber are being welded
Shi Chonghe, while the screw thread of feeler lever can be connect with this aperture.Left heat block and right heat block are the installation carrier of heating rod, i.e.,
There is mounting hole on the heat block of left and right, size is matched with the size of heating rod, and heating rod is mounted in the mounting hole of heat block,
Two heat blocks are connected between heating rod at work further through the side of left and right two that fixed screw is mounted to measurement chamber
Measure chamber heating.The hole that left heat block and right heat block are also provided with installation temperature transducer simultaneously will be surveyed by temperature control device
The temperature of amount chamber maintains set temperature, so that no matter system uses when carrying out jet stream sampling and system blowback
Compressed air be high temperature.Since this sampling probe is mainly jetting type, so jet stream sampling pump is needed, jet stream sampling pump
The meeting under the drive of compressed air is so that measurement chamber forms an opposite negative pressuren zone, and measures chamber further through feeler lever and cigarette
Road communicates, in this way since flue gas can be taken out.Sample solenoid valve be used for compressed air on-off used in jet pump into
Row control.The on-off of blowback solenoid valve control blowback air.Compressed air pre-add pipe line is that stainless steel tracheae is passed through winding
Mode is installed to the outside of sampling feeler lever, pre-add pipe line is placed into flue simultaneously when installing sampling probe, because of cigarette
The temperature in road is relatively high, if compressed air can carry out heat effect to compressed air by this pre-add pipe line.It is empty
Gas purifier includes oil water separator and filter core, plays the role of water removal and purification, so that no matter system takes in progress jet stream
The compressed air used when sample and system blowback is clean.The starting point of compressed air pre-add pipe line is air cleaning
The input end of the gas outlet of device, compressed air pre-add pipe line passes through mounting flange by the outer wall of measurement chamber, then again will
Gas circuit outlet welds, and pipeline later is wound on sampling feeler lever using spiral winding mode, and pipeline passes through winding pipe
Again by the outer wall of mounting flange and measurement chamber after road, gas is drawn by connector.Front filter element is for filtering sky
Biggish particle in gas.Jet stream sampling pump under the drive of compressed air meeting so that measurement chamber formed an opposite negative pressure
Area, and measure chamber further through sampling feeler lever and flue communicate, in this way since flue gas can be taken out.Sampling solenoid valve is used for
Compressed air on-off used in jet pump can be controlled.On-off of the blowback solenoid valve to control blowback air.Compression
Air preheating pipeline is the outside that stainless steel tracheae is installed to sampling feeler lever by way of winding, in installation sampling probe
When simultaneously pre-add pipe line is placed into flue, compressed air can be heated.Mounting flange is to each member of fixation
Part.For left side heat block with right side heat block further to be heated to air, heating rod and temperature transducer can be real-time
Control control of two heat blocks realizations to air themperature.Measurement sensor is to monitor the measurement indoor air feelings of chamber in real time
Condition.Left heat block and right heat block have carried out pre-add heat treatment to the jet stream gas and blowback air of sampling probe, reduce the drop of temperature
Low amplitude, to reduce the probability of feeler lever blocking.
In conclusion the utility model makes system no matter in the pressure use when jet stream sampling and system blowback
Contracting air is high temperature, clean, solves sampling probe blockage problem, can carry out pre-add heat treatment, structure to sucking flue gas
Simple and stable, safety coefficient is high, easy to use, in addition can effectively reduce the probability of feeler lever blocking.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical scheme and beneficial effects
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (4)
- The compressed air preheating apparatus 1. a kind of smoke sampling is popped one's head in, which is characterized in that it include front filter element, sampling feeler lever, Mounting flange, left side heat block, right side heat block, measurement sensor, heating rod, temperature transducer, measurement chamber, sampling electromagnetism Valve, blowback solenoid valve, jet stream sampling pump, compressed air pre-add pipe line, air purifier, front filter element are located at sampling feeler lever The side of side, the other side and mounting flange that sample feeler lever connects, and the other side of mounting flange is connected with measurement chamber, measures It is separately installed with left side heat block at left and right sides of chamber and right side heat block, heating rod and temperature transducer are separately fixed at a left side On side heat block and right side heat block, compressed air pre-add pipe line is spirally wound on sampling feeler lever, and air purifier is located at The starting point of compressed air pre-add pipe line, measurement sensor are located on measurement chamber locular wall, and sampling solenoid valve is empty by compression Gas pre-add pipe line is connected with jet stream sampling pump, and blowback solenoid valve is connected by compressed air pre-add pipe line with measurement chamber.
- The compressed air preheating apparatus 2. smoke sampling as described in claim 1 is popped one's head in, which is characterized in that the mounting flange For aperture flange.
- The compressed air preheating apparatus 3. smoke sampling as claimed in claim 2 is popped one's head in, which is characterized in that the left side heating Mounting hole is provided on block and right side heat block.
- The compressed air preheating apparatus 4. smoke sampling as described in claim 1 is popped one's head in, which is characterized in that the mounting flange One zoarium is formed by welding with measurement greenhouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438763.4U CN208833564U (en) | 2018-09-04 | 2018-09-04 | Smoke sampling probe compressed air preheating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438763.4U CN208833564U (en) | 2018-09-04 | 2018-09-04 | Smoke sampling probe compressed air preheating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833564U true CN208833564U (en) | 2019-05-07 |
Family
ID=66311767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438763.4U Active CN208833564U (en) | 2018-09-04 | 2018-09-04 | Smoke sampling probe compressed air preheating apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN208833564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554150A (en) * | 2019-09-25 | 2019-12-10 | 合肥金星机电科技发展有限公司 | Gas circuit heating structure of gas concentration detection device |
| CN112697547A (en) * | 2021-01-04 | 2021-04-23 | 中国神华能源股份有限公司国华电力分公司 | Dilution sampling probe's protection system |
-
2018
- 2018-09-04 CN CN201821438763.4U patent/CN208833564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554150A (en) * | 2019-09-25 | 2019-12-10 | 合肥金星机电科技发展有限公司 | Gas circuit heating structure of gas concentration detection device |
| CN112697547A (en) * | 2021-01-04 | 2021-04-23 | 中国神华能源股份有限公司国华电力分公司 | Dilution sampling probe's protection system |
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