CN209542208U - A kind of coal contaminants sampling gun - Google Patents
A kind of coal contaminants sampling gun Download PDFInfo
- Publication number
- CN209542208U CN209542208U CN201920131178.8U CN201920131178U CN209542208U CN 209542208 U CN209542208 U CN 209542208U CN 201920131178 U CN201920131178 U CN 201920131178U CN 209542208 U CN209542208 U CN 209542208U
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- sampling
- docking
- tube
- inner tube
- air inlet
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Abstract
A kind of coal contaminants sampling gun, belongs to testing equipment field, it is characterised in that: including sequentially connected sampling head and docking facilities；The sampling inner tube is set in the tube body of sampling outer tube；The both ends of the sampling head are respectively to sample air inlet and sampling gas outlet；The sampling air inlet is provided with filter cylinder；Elbow is provided on the filter cylinder；The docking facilities include docking outer tube and docking inner tube；The outer convex body that the inlet end setting one of the docking inner tube matches with aforementioned grooves；The outer convex body extends in the tube body of docking air inlet.By setting sequentially connected sampling head and docking facilities for entire sampling gun, by way of setting sampling gun to sampling head, extension rod and docking facilities multiple combinations, transhipment easy to carry；The combination that inner tube is realized by the groove and outer convex body that match in the setting of inner tube junction, ensures the leakproofness of inner tube, so as to improve the accuracy of testing inspection.
Description
Technical field
The utility model belongs to testing equipment field more particularly to a kind of coal contaminants sampling gun.
Background technique
SO in coal-burning boiler high temperature, high cloud of dust gas3、NH3, HF, HCl isoconcentration test, it is common to use sampling gun be logical
The filtering that sand core filter device carries out flying dust is crossed, but with the extension of acquisition time, the flying dust of sand core filter device surface attachment
The system negative pressure of causing steeply rises, and is adsorbed on the ash on sand core surface, while adsorbing the SO in flue gas again3、NH3Equal substances, because
This cannot achieve the stabilization and accurate acquisition of sample.
Sampling gun is commonly stainless steel material, and flue gas circulation stainless steel pipeline is often because the acidic materials in flue gas cause
Inner wall corrosion, the sampling gun of long-time service, SO3Easily be corroded oxide adsorbent, causes test result error increasing, from
And leads to the failure of experimental test data, the reasonable analysis of data can not be carried out and instruct combustion adjustment.
Summary of the invention
The utility model aims to solve the problem that the above problem, provides a kind of coal contaminants sampling gun.
Coal contaminants sampling gun described in the utility model, including sequentially connected sampling head and docking facilities；It is described to adopt
Sample head includes sampling outer tube and sampling inner tube；The sampling inner tube is set in the tube body of sampling outer tube；The two of the sampling head
End is respectively sampling air inlet and sampling gas outlet；The sampling air inlet is provided with filter cylinder；Elbow is provided on the filter cylinder；
The sampling gas outlet is set as funnel-form；A groove is arranged in the center of the sampling gas outlet；The sampling outlet port
Connection component is provided on sampling outer tube outer wall；
The docking facilities include docking outer tube and docking inner tube；One end of the docking outer tube is docking air inlet, separately
One end is set as sealed end；Connection component is provided on the inner wall of the docking air inlet；The inlet end of the docking inner tube is set
Set an outer convex body to match with aforementioned grooves；The outer convex body extends in the tube body of docking air inlet；The docking inner tube
Outlet side from docking outer tube sealed end be pierced by.
Coal contaminants sampling gun described in the utility model further includes the extension being set between sampling head and docking facilities
Bar；The extension rod includes extending outer tube and extension inner tube；The inner tube that extends is set in the tube body for extending outer tube；It is described to prolong
The both ends of long outer tube are respectively to extend air inlet and extension gas outlet；The extension gas outlet is set as funnel-form；The extension
A groove is arranged in the center of gas outlet；Connection component is provided on the extension outer tube outer wall for extending outlet port；It is described to prolong
Connection component is provided on the inner wall of long air inlet；The inlet end setting one for extending inner tube matches outer with aforementioned grooves
Convex body；The outer convex body extends in the tube body for extending air inlet；Sampling gun can effectively be increased by using extension rod
Length expands the scope of application of coal contaminants sampling gun described in the utility model with this.
Coal contaminants sampling gun described in the utility model, the connection component are buckle or screw thread；Pass through opening or silk
Button realizes the connection of sampling head and docking facilities or sampling head, extension rod and docking facilities.
Coal contaminants sampling gun described in the utility model, the groove are indent hemispherical；The outer convex body be with it is preceding
State the evagination hemispherical that indent hemispherical matches；When in use by outer convex body docking be placed in groove, realize using inner tube,
Extend inner tube and dock the connection between inner tube, makes consisting of a complete water conservancy diversion inner tube.
Coal contaminants sampling gun described in the utility model is set as vacuum between the sampling outer tube and sampling inner tube；
The docking outer tube is set as vacuum with docking between inner tube.There is provided good sealing as sampling gun is property, while also being risen
To the insulation effect to inner tube.
Coal contaminants sampling gun described in the utility model is set as vacuum between the extension outer tube and extension inner tube.
There is provided good sealing as sampling gun is property, while also functioning to the insulation effect to inner tube.
Coal contaminants sampling gun described in the utility model, by setting sequentially connected sampling head for entire sampling gun
And docking facilities, it is set to sampling outer tube, sampling inner tube, docking outer tube and the form for docking inner tube respectively, and by recessed
Slot realizes docking between inner tube with outer convex body；Simultaneously in longer situation, can sampling head and docking facilities it
Between extension rod is set, expand the scope of application；By setting sampling head, extension rod and docking facilities multiple combinations for sampling gun
Mode, transhipment easy to carry；The combination that inner tube is realized by the groove and outer convex body that match in the setting of inner tube junction, ensures
The leakproofness of inner tube, so as to improve the accuracy of testing inspection.
Detailed description of the invention
Fig. 1 is sampling head structural schematic diagram described in the utility model；
Fig. 2 is docking facilities structural schematic diagram described in the utility model；
Fig. 3 is extension rod structural schematic diagram described in the utility model；
Wherein 1- samples outer tube, 2- sampling inner tube, 3- sampling air inlet, 4- and samples gas outlet, 5- filter cylinder, 6- elbow, 7-
It docks outer tube, 8- docking inner tube, the outer convex body of 9-, 10- groove, 11- connection component, 12- and docks air inlet, 13- sealed end, 14-
Extend outer tube, 15- extends inner tube, 16- extends air inlet, 17- extends gas outlet.
Specific embodiment
Coal contaminants sampling gun described in the utility model is described in detail below by accompanying drawings and embodiments.
Coal contaminants sampling gun described in the utility model, as shown in Figure 1, including sequentially connected sampling head and to tipping
It sets；The sampling head includes sampling outer tube 1 and sampling inner tube 2；The sampling inner tube 2 is set in the tube body of sampling outer tube 1；Institute
It states and is set as vacuum between sampling outer tube 1 and sampling inner tube 2；The both ends of the sampling head are respectively to sample air inlet 3 and sampling
Gas outlet 4；The sampling air inlet 3 is provided with filter cylinder 5；It is no glue fiber filter cylinder 5 that the present embodiment, which uses,；On the filter cylinder 5
Elbow 6 is provided with, along fit sealing on elbow 6 and filter cylinder 5；The sampling gas outlet 4 is set as funnel-form；The sampling outlet
A groove 10 is arranged in the center of mouth 4；Screw thread is provided on 1 outer wall of sampling outer tube at sampling 4 end of gas outlet；In the present embodiment
11 screw thread of connection component；The connection of sampling head, extension rod and docking facilities is realized by screw thread.
As shown in Fig. 2, the docking facilities include docking outer tube 7 and docking inner tube 8；The docking outer tube 7 with dock in
Vacuum is set as between pipe 8；One end of the docking outer tube 7 is docking air inlet 12, and the other end is set as sealed end 13；It is described
It docks and is provided with screw thread on the inner wall of air inlet 12；The inlet end setting one of the docking inner tube 8 matches with aforementioned grooves 10
Outer convex body 9；The outer convex body 9 extends in the tube body of docking air inlet 12；The outlet side of the docking inner tube 8 is outer from docking
The sealed end 13 of pipe 7 is pierced by.
Extension rod between sampling head and docking facilities；As shown in figure 3, the extension rod includes extending outer tube 14 and extending
Inner tube 15；The inner tube 15 that extends is set in the tube body for extending outer tube 14；Between the extension outer tube 14 and extension inner tube 15
It is set as vacuum；The both ends for extending outer tube 14 are respectively to extend air inlet 16 and extension gas outlet 17；The extension outlet
Mouth 17 is set as funnel-form；A groove 10 is arranged in the center for extending gas outlet 17；The extension for extending 17 end of gas outlet
Screw thread is provided on 14 outer wall of outer tube；Screw thread is provided on the inner wall for extending air inlet 16；It is described extend inner tube 15 into
The outer convex body 9 that gas end setting one matches with aforementioned grooves 10；The outer convex body 9 extends in the tube body for extending air inlet 16；
The length of sampling gun can effectively be increased by using extension rod, coal contaminants sampling described in the utility model is expanded with this
The scope of application of rifle.It can be realized and be connected by screw thread between sampling head, extension rod and docking facilities；In in sampling inner tube 2, extending
It manages identical with the caliber of docking inner tube 8.
The groove 10 is indent hemispherical in the present embodiment；The outer convex body 9 be and aforementioned indent hemispherical phase
The evagination hemispherical matched；The docking of outer convex body 9 is placed in groove 10 when in use, realizes using inner tube, extend 15 and of inner tube
The connection between inner tube 8 is docked, is made consisting of a complete water conservancy diversion inner tube.
Docking facilities, extension rod, sampling head are sequentially connected by sampling before starting, and the length of extension rod is selected according to sampling depth
The docking number of degree or extension rod, 6 sample port of rear enclosed elbow is completed in docking, using flow pump in sampling gun exhanst gas outlet section
Pumping, if flow pump discharge is down to zero, sealing effect is good after illustrating sampling gun docking.
It is inserted into whole four fluorine tube in inner tube, end is directly inserted to 5 bottom of filter cylinder, and end is sealed company using silicone tube
It connects, it is ensured that four fluorine tube is convenient for extracting after the end of the test, the feelings that the flue gas avoided enter into four fluorine tube contacts for a long time with inner tube
Condition can be recycled in sampling bottle even if there is the remnants of measurement pollutant in four fluorine tube by solvent washing.Then sampling gun is put
Enter flue, because test contaminant concentration does not need isokinetic sampling, so sampling gun elbow 6 is arranged back to flow of flue gas direction, with
This is avoided a large amount of flying dusts from entering filter cylinder 5, is adsorbed the pollutant tested in flue gas, is influenced test result.It is every simultaneously to have surveyed one group of sample
Product, the filter cylinder 5 more renewed.
Claims (6)
1. a kind of coal contaminants sampling gun, it is characterised in that: including sequentially connected sampling head and docking facilities；The sampling
Head includes sampling outer tube (1) and sampling inner tube (2)；Sampling inner tube (2) is set in the tube body of sampling outer tube (1)；It is described
The both ends of sampling head are respectively to sample air inlet (3) and sampling gas outlet (4)；The sampling air inlet (3) is provided with filter cylinder
(5)；Elbow (6) are provided on the filter cylinder (5)；The sampling gas outlet (4) is set as funnel-form；The sampling gas outlet
(4) groove (10) are arranged in center；Connection component is provided on sampling outer tube (1) outer wall at sampling gas outlet (4) end
(11)；
The docking facilities include docking outer tube (7) and docking inner tube (8)；One end of docking outer tube (7) is docking air inlet
Mouth (12), the other end are set as sealed end (13)；Connection component (11) are provided on the inner wall of docking air inlet (12)；Institute
State the outer convex body (9) that the inlet end setting one of docking inner tube (8) matches with aforementioned grooves (10)；The outer convex body (9) extends
To the tube body of docking air inlet (12)；It is worn from the sealed end (13) of docking outer tube (7) outlet side of docking inner tube (8)
Out.
2. coal contaminants sampling gun according to claim 1, it is characterised in that: further include being set to sampling head and to tipping
Extension rod between setting；The extension rod includes extending outer tube (14) and extending inner tube (15)；Extension inner tube (15) setting
In in the tube body for extending outer tube (14)；The both ends for extending outer tube (14) are respectively to extend air inlet (16) and extension gas outlet
(17)；The extension gas outlet (17) is set as funnel-form；A groove (10) are arranged in the center for extending gas outlet (17)；Institute
It states and is provided with connection component (11) on extension outer tube (14) outer wall for extending gas outlet (17) end；Extension air inlet (16)
Connection component (11) are provided on inner wall；What the inlet end setting one for extending inner tube (15) matched with aforementioned grooves (10)
Outer convex body (9)；The outer convex body (9) extends in the tube body for extending air inlet (16).
3. coal contaminants sampling gun according to claim 2, it is characterised in that: the connection component (11) is buckle or silk
Button.
4. coal contaminants sampling gun according to claim 3, it is characterised in that: the groove (10) is indent hemispherical；
The outer convex body (9) is the evagination hemispherical to match with aforementioned indent hemispherical.
5. coal contaminants sampling gun according to claim 4, it is characterised in that: the sampling outer tube (1) and sampling inner tube
(2) vacuum is set as between；The docking outer tube (7) is set as vacuum between inner tube (8) with docking.
6. coal contaminants sampling gun according to claim 5, it is characterised in that: the extension outer tube (14) and extension inner tube
(15) vacuum is set as between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131178.8U CN209542208U (en) | 2019-01-25 | 2019-01-25 | A kind of coal contaminants sampling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131178.8U CN209542208U (en) | 2019-01-25 | 2019-01-25 | A kind of coal contaminants sampling gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542208U true CN209542208U (en) | 2019-10-25 |
Family
ID=68271566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920131178.8U Expired - Fee Related CN209542208U (en) | 2019-01-25 | 2019-01-25 | A kind of coal contaminants sampling gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209542208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397975A (en) * | 2020-04-13 | 2020-07-10 | 山东省生态环境规划研究院 | Automatic butt-joint and sealing gas sampling device |
-
2019
- 2019-01-25 CN CN201920131178.8U patent/CN209542208U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397975A (en) * | 2020-04-13 | 2020-07-10 | 山东省生态环境规划研究院 | Automatic butt-joint and sealing gas sampling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20210125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |