CN108195640A - A kind of flue gas sampling pipe with heat tracing pipe - Google Patents
A kind of flue gas sampling pipe with heat tracing pipe Download PDFInfo
- Publication number
- CN108195640A CN108195640A CN201810096507.XA CN201810096507A CN108195640A CN 108195640 A CN108195640 A CN 108195640A CN 201810096507 A CN201810096507 A CN 201810096507A CN 108195640 A CN108195640 A CN 108195640A
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- China
- Prior art keywords
- heat tracing
- flue gas
- tracing pipe
- handle
- pipe
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- 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
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of flue gas sampling pipes with heat tracing pipe, and including heating tube, handle and heat tracing pipe, one end of heating tube and the front end of handle connect, and one end of heat tracing pipe and the bottom of handle are connected by connector；The first exhaust tube is equipped in heating tube, the first exhaust tube is stretched into close to one end of handle in connector；The second exhaust tube is equipped in heat tracing pipe, one end of the second exhaust tube is stretched into connector；In the outside of the first exhaust tube, cladding is equipped with high-temperature insulating layer, is wound on high-temperature insulating layer and is equipped with heater strip, and insulating layer is equipped between heater strip and heating inside pipe wall；Thermocouple probe is equipped in the outside of heating tube, one end of thermocouple probe is arranged on the front end of heating tube, and the other end is stretched into handle.The beneficial effects of the invention are as follows：It ensure that flue gas without any dew point, prevents from being measured flue gas after flue gas condensing the absorption of ingredient from flue to the pilot process of flue gas analyzer, improve the accuracy of measurement result.
Description
Technical field
The present invention relates to environment monitoring equipment technical field more particularly to a kind of flue gas sampling pipes with heat tracing pipe.
Background technology
High-temperature flue gas typically refers to stationary source, such as waste incineration, coal-fired combustion carbon, the various combustion of industrial boiler of combustion gas
The gas generated in the process, this is a kind of more special medium, and the temperature of flue gas is spent more than 100 under normal conditions, even more
It is high；In addition, generally can be there are dust particles and acidic materials, such as S02, NOX in flue gas, these acidic materials and dust particles
In specific flue extraction process, liquid medium can be condensed into since temperature declines, cause flue gas composition that can lose, so as to make
Relatively low into flue gas measurement result, particularly with the measurement of low-concentration flue gas, this is very difficult ask in flue gas measurement process
Topic.
Invention content
The technical problems to be solved by the invention are deficiencies regarding to the issue above, provide a kind of flue gas with heat tracing pipe and add
Thermal sampling pipe.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of flue gas sampling pipe with heat tracing pipe, packet
Include heating tube, handle and heat tracing pipe, one end of the heating tube is connect with the front end of the handle, one end of the heat tracing pipe with
The bottom of the handle is connected by connector；The first exhaust tube is equipped in the heating tube, first exhaust tube is close
One end of the handle is stretched into the connector；The second exhaust tube is equipped in the heat tracing pipe, second exhaust tube
One end is stretched into the connector, and the other end of second exhaust tube stretches out the heat tracing pipe；In first exhaust tube
Outside, which coats, is equipped with high-temperature insulating layer, is wound on the high-temperature insulating layer and is equipped with heater strip, adds in the heater strip with described
Insulating layer is equipped between heat pipe inner wall；Thermocouple probe, one end of the thermocouple probe are equipped in the outside of the heating tube
The front end of the heating tube is arranged on, the other end of the thermocouple probe is stretched into the handle；It is equipped in the handle
Temperature controller, the heater strip are electrically connected with the temperature controller.
The beneficial effects of the invention are as follows：It ensure that flue gas from flue to the pilot process of flue gas analyzer without any dew
Point prevents from being measured flue gas after flue gas condensing the absorption of ingredient, the accuracy of measurement result is improved, particularly with low concentration cigarette
Gas can effectively avoid flue gas condensing and further reduce flue gas concentration, ensure that flue gas will not be evacuated to greatest extent
Be condensed absorption in journey, influences to measure；By setting high-temperature insulating layer, play the role of insulation, heater strip is avoided to leak electricity；Pass through
Insulating layer is set, effectively heat can be avoided to scatter and disappear；By setting temperature controller, the convenient temperature to heating tube and heat tracing pipe carries out
Control.
Based on the above technical solution, the present invention can also be improved as follows.
Further：Thermocouple probe protective case is arranged on the thermocouple probe.
The advantageous effect of above-mentioned further scheme is：Thermocouple probe protective case is used to hold elongated thermocouple probe,
Play the role of protecting thermocouple probe.
Further：Filter cavity and drive end bearing bracket are equipped in the front end of the heating tube, institute is stretched into the rear end of the drive end bearing bracket
It states in filter cavity, and is threadedly coupled with the filter cavity；Sleeve is equipped in the rear end of the drive end bearing bracket, on the sleeve
It is arranged with the filter core for filtering flue gas particles；The one end of first exhaust tube far from the handle and the filter cavity
Connection.
The advantageous effect of above-mentioned further scheme is：The particulate matter in flue gas is filtered using filter core, avoids it stifled
The first exhaust tube is filled in, while is also avoided that particulate matter enters inside flue gas analyzer, interference is generated to its sensor, and influences cigarette
Gas analysis result.
Further：Multiple hollow holes are circumferentially on the sleeve.
The advantageous effect of above-mentioned further scheme is：By setting multiple hollow holes, the contact surface of flue gas and filter core is improved
Product and time of contact improve filter efficiency.
Further：The high-temperature insulating layer, the heater strip and the insulating layer prolong on the outside of the filter cavity
It stretches, and the outside for being wrapped in the high-temperature insulating layer and the filter cavity of the uniform rule of the heater strip.
Further：First exhaust tube is stainless steel tube；Second exhaust tube is PTFE exhaust tubes；Described second takes out
One end that tracheae stretches out the heat tracing pipe is connect with flue gas analyzer.
The advantageous effect of above-mentioned further scheme is：First exhaust tube is stainless steel tube, can bear the high temperature of flue；The
Two exhaust tubes are PTFE exhaust tubes, can avoid flue gas absorption in the inner wall of the second exhaust tube, and influence the sampling precision of flue gas.
Further：The flue gas sampling gun further includes thermocouple signal line, and one end of the thermocouple signal line is stretched
Enter the bottom of the handle, and be electrically connected with the thermocouple probe, the other end of the thermocouple signal line stretches into the companion
In heat pipe, and stretched out from the one end of the heat tracing pipe far from the handle；One end and flue gas that the thermocouple signal line stretches out
Analyzer connects.
The advantageous effect of above-mentioned further scheme is：By setting thermocouple signal line, facilitate flue gas analyzer acquisition heat
The temperature data in flue measured by thermocouple probe, so as to which control temperature controller be facilitated to be adjusted into trip temperature, to reduce heating tube
With the temperature difference of flue.
Further：The flue gas sampling gun further includes heat tracing pipe computer heating control line, the heat tracing pipe computer heating control line
One end stretch into the bottom of the handle, and be electrically connected with the temperature controller, the other end of the heat tracing pipe computer heating control line is stretched
Enter in the heat tracing pipe, and be electrically connected with the heater strip in the heat tracing pipe.
The advantageous effect of above-mentioned further scheme is：By setting heat tracing pipe computer heating control line, facilitate control heat tracing pipe
Heating temperature.
Further：Setting panel is equipped in the rear end of the handle, the setting panel is electrically connected with the temperature controller.
The advantageous effect of above-mentioned further scheme is：Using panel is set, can both show in heating tube and heat tracing pipe
Temperature, it is also convenient that temperature in heating tube and heat tracing pipe is configured.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the dimensional structure diagram of present invention rear side；
Fig. 3 is the dimensional structure diagram at thermocouple probe of the present invention；
Fig. 4 is the configuration schematic diagram of drive end bearing bracket of the present invention, filter core and heating tube；
Fig. 5 is the sectional view of drive end bearing bracket of the present invention, filter core and heating tube；
In attached drawing, the component names representated by each label are as follows：
1st, heating tube, 11, filter cavity, 12, drive end bearing bracket, 121, sleeve, 1211, hollow hole, 122, aspirating hole, 13, filter
Core, 14, high-temperature insulating layer, 15, heater strip, 16, insulating layer, 2, handle, 21, setting panel, 22, power cord, 23, air plug head,
3rd, heat tracing pipe computer heating control line, 4, thermocouple signal line, 5, heat tracing pipe, the 6, first exhaust tube, 7, thermocouple probe, 71, thermoelectricity
Even probe protection set, 8, connector, the 9, second exhaust tube.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of flue gas sampling pipe with heat tracing pipe, including heating tube
1st, handle 2 and heat tracing pipe 5, one end of the heating tube 1 are connect with the front end of the handle 2, one end of the heat tracing pipe 5 and institute
The bottom for stating handle 2 is connected by connector 8；The first exhaust tube 6 is equipped in the heating tube 1, first exhaust tube 6 leans on
One end of the nearly handle 2 is stretched into the connector 8；The second exhaust tube 9 is equipped in the heat tracing pipe 5, described second takes out
One end of tracheae 9 is stretched into the connector 8, and the other end of second exhaust tube 9 stretches out the heat tracing pipe 5；Described
The outside cladding of one exhaust tube 6 is equipped with high-temperature insulating layer 14, and winding is equipped with heater strip 15 on the high-temperature insulating layer 14, in institute
It states and insulating layer 16 is equipped between 1 inner wall of heater strip 15 and the heating tube；Thermocouple probe is equipped in the outside of the heating tube 1
7, one end of the thermocouple probe 7 is arranged on the front end of the heating tube 1, and the other end of the thermocouple probe 7 stretches into institute
It states in handle 2；Temperature controller (not shown) is equipped in the handle 2, the heater strip 15 is electrically connected with the temperature controller.
Thermocouple probe protective case 71 is arranged on the thermocouple probe 7, thermocouple probe protective case 71 is used to hold in the palm
Firmly elongated thermocouple probe 7 plays the role of protecting thermocouple probe 7；The heat is stretched out in the front end of the thermocouple probe 7
Thermocouple probe protective case 71, accurately to measure the temperature of flue.
It also coats equipped with high-temperature insulating layer in the outside of second exhaust tube 9, is twined on the outside of the high-temperature insulating layer
Heat tracing heater strip (not shown) is arranged with, also is provided with keeping the temperature between 5 inner wall of the heat tracing heater strip and the heat tracing pipe
Layer；The heat tracing heater strip is carbon fiber heating silk.
As shown in figure 4, filter cavity 11 and drive end bearing bracket 12 are equipped in the front end of the heating tube 1, the drive end bearing bracket 12
Rear end is stretched into the filter cavity 11, and is threadedly coupled with the filter cavity 11；It is equipped in the rear end of the drive end bearing bracket 12
Sleeve 121 is arranged with the filter core 13 for filtering flue gas particles on the sleeve 121；The filter core 13 is burnt for stainless steel
Tie filter core or PTFE filter cores；The one end of first exhaust tube 6 far from the handle 2 is connected with the filter cavity 11.
Multiple hollow holes 1211 are circumferentially on the sleeve 121, by setting multiple hollow holes 1211, improve flue gas
Contact area and time of contact with filter core 13 improve filter efficiency.
Aspirating hole 122 is equipped in the front end of the drive end bearing bracket 12.
Setting panel 21 is equipped in the rear end of the handle 2, the setting panel 21 is electrically connected with the temperature controller, is used for
The heating temperature of heater strip 15 is set.
In the temperature-control circuit for being internally integrated heating tube 1 and heat tracing pipe 5 of the handle 2, the temperature control electricity
Road is electrically connected with the temperature controller.
The high-temperature insulating layer 14, the heater strip 15 and the insulating layer 16 prolong to the outside of the filter cavity 11
It stretches, and the outside for being wrapped in the high-temperature insulating layer 14 and the filter cavity 11 of the uniform rule of the heater strip 15, makes the
One exhaust tube 6 and filter cavity 11 are heated evenly, constant temperature, can effectively prevent flue gas condense in the filter cavity 11 and by
It absorbs, influences to be measured the sampled concentrations and precision of component gas.
Multiple temperature-control senser (not shown)s, the control are equipped between the heater strip 15 and the insulating layer 16
Temperature sensor is electrically connected with the temperature controller, for monitoring the heating temperature of heater strip 15 in real time, and monitoring result is fed back to
Temperature controller facilitates temperature controller to be adjusted as needed.
The handle 2 is oxidation aluminum handle, and the high temperature of flue is avoided to generate damage to handle.
Power cord 22 and air plug head 23 are also associated in the bottom of the handle 2, the power cord 22 is close to the handle 2
Rear end, by setting power cord 22 and air plug head 23, without subsidiary power pack, direct plug-in can use.
First exhaust tube 6 is stainless steel tube；Second exhaust tube 9 is PTFE exhaust tubes, and flue gas absorption is avoided to exist
The inner wall of second exhaust tube 9, and influence the sampling precision of flue gas.Second exhaust tube 9 stretch out one end of the heat tracing pipe 5 with
Flue gas analyzer connects.
The material of the heating tube 1 is 316L stainless steels.
The flue gas sampling gun further includes thermocouple signal line 4, and one end of the thermocouple signal line 4 is stretched into described
The bottom of handle 2, and be electrically connected with the thermocouple probe 7, the other end of the thermocouple signal line 4 stretches into the heat tracing pipe
In 5, and stretched out from the one end of the heat tracing pipe 5 far from the handle 2；One end and flue gas that the thermocouple signal line 4 stretches out
Analyzer connects.
The flue gas sampling gun further includes heat tracing pipe computer heating control line 3, one end of the heat tracing pipe computer heating control line 3
The bottom of the handle 2 is stretched into, and is electrically connected with the temperature controller, the other end of the heat tracing pipe computer heating control line 3 stretches into institute
It states in heat tracing pipe 5.
The flue gas analyzer is being not shown in figure, and concrete structure and operation principle are existing known technology, herein
It repeats no more.
The temperature setting range of the heating tube 1 is 120 DEG C to 160 DEG C, and the temperature setting range of the heat tracing pipe 5 is
120 DEG C to 140 DEG C.
By setting heat tracing pipe 5, and maintain its temperature that can avoid flue gas in heating tube 1 and cigarette at 120 DEG C to 140 DEG C
It is condensed between qi leel analyzer, influences to be measured the sampled concentrations and precision of component gas.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of flue gas sampling pipe with heat tracing pipe, it is characterised in that：Including heating tube (1), handle (2) and heat tracing pipe
(5), one end of the heating tube (1) is connect with the front end of the handle (2), one end and the handle of the heat tracing pipe (5)
(2) bottom is connected by connector (8)；The first exhaust tube (6), first exhaust tube are equipped in the heating tube (1)
(6) it is stretched into the connector (8) close to one end of the handle (2)；The second exhaust tube is equipped in the heat tracing pipe (5)
(9), one end of second exhaust tube (9) is stretched into the connector (8), and the other end of second exhaust tube (9) stretches out
The heat tracing pipe (5)；In the outside of first exhaust tube (6), cladding is equipped with high-temperature insulating layer (14), in the high-temperature insulation
Winding is equipped with heater strip (15) on layer (14), and insulating layer is equipped between the heater strip (15) and the heating tube (1) inner wall
(16)；Thermocouple probe (7) is equipped in the outside of the heating tube (1), one end of the thermocouple probe (7) is arranged on described
The front end of heating tube (1), the other end of the thermocouple probe (7) are stretched into the handle (2)；It is set in the handle (2)
There is temperature controller, the heater strip (15) is electrically connected with the temperature controller.
2. a kind of flue gas sampling pipe with heat tracing pipe according to claim 1, it is characterised in that：It is visited in the thermocouple
Thermocouple probe protective case (71) is arranged on needle (7).
3. a kind of flue gas sampling pipe with heat tracing pipe according to claim 1, it is characterised in that：In the heating tube
(1) front end is equipped with filter cavity (11) and drive end bearing bracket (12), and the filter cavity is stretched into the rear end of the drive end bearing bracket (12)
(11) it in, and is threadedly coupled with the filter cavity (11)；Sleeve (121) is equipped in the rear end of the drive end bearing bracket (12), in institute
State the filter core (13) being arranged on sleeve (121) for filtering flue gas particles；First exhaust tube (6) is far from the handle
(2) one end is connected with the filter cavity (11).
4. a kind of flue gas sampling pipe with heat tracing pipe according to claim 3, it is characterised in that：In the sleeve
(121) multiple hollow holes (1211) are circumferentially on.
5. a kind of flue gas sampling pipe with heat tracing pipe according to claim 3, it is characterised in that：The high-temperature insulating layer
(14), the heater strip (15) and the insulating layer (16) extend, and the heating to the outside of the filter cavity (11)
The outside for being wrapped in the high-temperature insulating layer (14) and the filter cavity (11) of the uniform rule of silk (15).
6. a kind of flue gas sampling pipe with heat tracing pipe according to claim 3, it is characterised in that：First exhaust tube
(6) it is stainless steel tube；Second exhaust tube (9) is PTFE exhaust tubes；Second exhaust tube (9) stretches out the heat tracing pipe
(5) one end is connect with flue gas analyzer.
7. a kind of flue gas sampling pipe with heat tracing pipe according to claim 1, it is characterised in that：The flue gas is adopted
Sample rifle further includes thermocouple signal line (4), and the bottom of the handle (2) is stretched into one end of the thermocouple signal line (4), and with
The thermocouple probe (7) electrical connection, the other end of the thermocouple signal line (4) are stretched into the heat tracing pipe (5), and from institute
The one end of heat tracing pipe (5) far from the handle (2) is stated to stretch out；One end and flue gas analysis that the thermocouple signal line (4) is stretched out
Instrument connects.
8. a kind of flue gas sampling pipe with heat tracing pipe according to claim 1, it is characterised in that：The flue gas is adopted
Sample rifle further includes heat tracing pipe computer heating control line (3), and the handle (2) is stretched into one end of the heat tracing pipe computer heating control line (3)
Bottom, and be electrically connected with the temperature controller, the other end of the heat tracing pipe computer heating control line (3) is stretched into the heat tracing pipe (5),
And it is electrically connected with the heater strip (15) in the heat tracing pipe (5).
9. a kind of flue gas sampling pipe with heat tracing pipe according to claim 1, it is characterised in that：In the handle (2)
Rear end be equipped with setting panel (21), it is described setting panel (21) be electrically connected with the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096507.XA CN108195640A (en) | 2018-01-31 | 2018-01-31 | A kind of flue gas sampling pipe with heat tracing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096507.XA CN108195640A (en) | 2018-01-31 | 2018-01-31 | A kind of flue gas sampling pipe with heat tracing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195640A true CN108195640A (en) | 2018-06-22 |
Family
ID=62591636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810096507.XA Pending CN108195640A (en) | 2018-01-31 | 2018-01-31 | A kind of flue gas sampling pipe with heat tracing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456006A (en) * | 2019-09-12 | 2019-11-15 | 北京市劳动保护科学研究所 | Pollutant emission monitors system in burst accident |
-
2018
- 2018-01-31 CN CN201810096507.XA patent/CN108195640A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456006A (en) * | 2019-09-12 | 2019-11-15 | 北京市劳动保护科学研究所 | Pollutant emission monitors system in burst accident |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180622 |