CN212780171U - Multifunctional smoke dust sampling device - Google Patents
Multifunctional smoke dust sampling device Download PDFInfo
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- CN212780171U CN212780171U CN202021718090.5U CN202021718090U CN212780171U CN 212780171 U CN212780171 U CN 212780171U CN 202021718090 U CN202021718090 U CN 202021718090U CN 212780171 U CN212780171 U CN 212780171U
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Abstract
The utility model discloses a multi-functional smoke and dust sampling device, it includes, the sampling pipe body and be located respectively the sampling control portion and the sampling pipe head portion at sampling pipe body both ends, a serial communication port, the sampling pipe head portion includes: a first protective tube; a first sampling tube located inside the first protective tube; the sampling nozzle comprises a filter membrane sampling nozzle or a filter cartridge sampling nozzle, and is detachably connected to the first protection pipe and communicated with the first sampling pipe; the compression ring is connected to the first protection pipe and is positioned at the end part of the first sampling pipe; and the pressure cap is detachably connected to the first protection tube and used for abutting the sampling nozzle against the pressure ring. The technical scheme of the utility model the problem that need carry multiple smoke and dust sampling pipe when having solved current smoke and dust sampling pipe design unreasonable field sampling that leads to.
Description
Technical Field
The utility model relates to a smoke and dust sampling field, in particular to multi-functional smoke and dust sampling device.
Background
In recent years, people pay more and more attention to air pollution prevention and control technology, the emission of industrial smoke dust is strictly in accordance with the national emission standard, the content of each pollutant of the emitted smoke dust is mainly measured automatically by referring to a filtering and weighing method, so the precision of a collected sample directly influences the detection precision, and further influences the normal work of the whole factory exhaust emission system.
Generally, the sampling of the smoke dust in the pollution discharge pipeline is mainly to extract a certain amount of dust-containing gas at a constant speed through different kinds of smoke dust sampling pipes and analyze the dust-containing gas by using a filter weighing method. However, the existing smoke sampling pipe has the following defects: different sampling pipes with different structures are matched with different sampling nozzles (such as a filtering membrane sampling nozzle and a filter cartridge sampling nozzle); therefore, the staff need carry suitable smoke and dust sampling pipe in advance according to the on-the-spot condition, carry out sample collection. If use under different operating modes, need carry multiple smoke and dust sampling pipe, can cause the field operation numerous, personnel's burden big scheduling problem, be difficult for simplifying field sampling work. In addition, during actual sampling, the sampling pipe can meet the severe working conditions of high humidity of the gas to be sampled, and when the sample is collected by using a filter cylinder filtering mode, the existing sampling pipe usually has no heating function and can cause the damage of a filter membrane, so that the sampling failure is caused or the collected data has the deviation and other conditions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the unreasonable problem that needs to carry multiple smoke and dust sampling pipe when leading to the on-the-spot sample of current smoke and dust sampling pipe design, for this reason, the utility model provides a multi-functional smoke and dust sampling pipe.
To the technical problem mentioned above, the utility model provides a following technical scheme:
the utility model provides a multi-functional smoke and dust sampling device, its includes, the sampling pipe body and be located respectively the sampling control portion and the sampling pipe head portion at sampling pipe body both ends, the sampling pipe head portion includes: a first protective tube; a first sampling tube located inside the first protective tube; the sampling nozzle is detachably connected to the inner side of the first protection pipe and is communicated with the first sampling pipe; the compression ring is connected to the first protection pipe and is positioned at the end part of the first sampling pipe; and the pressure cap is detachably connected to the first protection tube and used for abutting the sampling nozzle against the pressure ring.
In some embodiments of the present invention, the first sampling tube comprises: a body part spaced a set distance from an inner wall of the first protection pipe; the pipe end part is in clearance fit with the inner wall of the first protection pipe and is connected with the first protection pipe in a sealing mode through a sealing ring.
In some embodiments of the present invention, the pressing ring is screwed on the first protection tube and pressed against the end of the tube.
The utility model discloses an in some embodiments, be equipped with heating device and temperature measuring device on the first sampling pipe, temperature measuring device detects the temperature of first sampling pipe, sampling control portion basis the temperature control of first sampling pipe heating device opens or closes.
The utility model discloses an among the partial implementation, heating device include first heat conduction sleeve and fixed connection in heating member on the heat conduction sleeve, the heat conduction sleeve cup joint in just be located on the pipe shaft portion and be close to the region of pipe end portion.
The utility model discloses an among the partial embodiment, temperature measuring device include second heat conduction sleeve and fixed connection in temperature measurement spare on the second heat conduction sleeve, second heat conduction sleeve cup joint in the pipe shaft portion just keeps away from the region of pipe end portion, the signal line of heating member wears to locate second heat conduction sleeve.
The utility model discloses an among the some embodiments, press the cap to include: the squeezing part is abutted against the sampling nozzle; the fastening part is detachably connected to the first protection pipe; a connection part connected between the pressing part and the fastening part.
The utility model discloses an in some embodiments, the sampling mouth includes filter membrane sampling mouth, filter membrane sampling mouth includes: the first bent pipe part is used for extending into a flue to be detected to collect smoke dust; the first particle containing part is surrounded by a filtering membrane and an arc-shaped connecting part protruding towards the first bent pipe part, and the arc-shaped connecting part is connected with the bent pipe part; a mounting portion surrounding an outer periphery of the first particulate matter-containing portion; the end part of the extrusion part is pressed against the installation part and the arc-shaped connection part.
The utility model discloses an among the some embodiments, the sampling mouth is including straining a section of thick bamboo sampling mouth, it includes to strain a section of thick bamboo sampling mouth: the second bent pipe part is used for extending into the flue to be tested to collect smoke dust; the second particle containing part is surrounded by a filter cylinder and a cover plate, and the cover plate is connected with the second elbow part; the end of the pressing portion presses against the cover plate.
In some embodiments of the present invention, the inner wall surface of the tube end of the first sampling tube matches the shape of the cylindrical surface of the filter cartridge.
The technical scheme of the utility model prior art relatively has following technological effect:
the utility model discloses an among the multi-functional smoke and dust sampling device, including the sampling tube head portion of connecting the sampling mouth, it makes filter membrane sampling mouth or strain a section of thick bamboo sampling mouth all can be positioned between the two through setting up pressure cap and clamping ring structure, makes sampling mouth and first sampling pipe communicate the collection that realizes the smoke and dust particulate matter. The multifunctional sampling device can be matched with the filter membrane sampling nozzle and the filter cartridge sampling nozzle, is used under different working conditions, and is simple in field operation and small in personnel burden, and only the sampling nozzle needs to be replaced.
Drawings
The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of the multifunctional smoke dust sampling device of the present invention;
FIG. 2 is a partial cross-sectional view of the multifunctional smoke sampling device of the present invention with a filter membrane sampling nozzle;
FIG. 3 is a partial cross-sectional view of the multifunctional smoke sampling device of the present invention with a filter cartridge sampling nozzle installed therein;
FIG. 4 is a perspective view of a filter cartridge sampling nozzle in the multifunctional smoke dust sampling device of the present invention;
fig. 5 is a perspective view of a filter membrane sampling nozzle in the multifunctional smoke dust sampling device of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1-3 show a specific embodiment of a multifunctional smoke sampling device (hereinafter, referred to as a sampling device) of the present invention, which includes a sampling tube body 200, and a sampling control portion 300 and a sampling tube head portion 100 respectively located at two ends of the sampling tube body 200, wherein the sampling tube head portion 100 is used for connecting different sampling nozzles to collect smoke, and the sampling tube control portion is used for controlling the sampling nozzles to collect smoke, for example, controlling the gas flow rate and gas pressure in the whole flow channel by controlling the suction device. The sampling tube body 200 is used for conveying smoke, and particularly, the sampling tube body 200 is used for communicating the suction device with a sampling pipeline of the sampling tube head 100. Specifically, the sampling tube body 200 includes a second protection tube 201 disposed outside, a second sampling tube 202 located inside the second protection tube 201, and an end cap 203 located at an end of the second protection tube 201, wherein one end of the second sampling tube 202 is communicated with the suction device, and the other end of the second sampling tube 202 is inserted into the end cap 203 and is communicated with the first sampling tube 102 of the sampling tube head 100.
Wherein the sampling tube head 100 comprises: a first protection tube 101, and a first sampling tube 102, a sampling nozzle, a pressing ring 103 and a pressing cap 105 which are positioned inside the first protection tube 101; the sampling nozzle comprises a filter membrane sampling nozzle 104a or a filter cartridge sampling nozzle 104b, and the sampling nozzle is detachably connected to the first protection pipe 101 and is communicated with the first sampling pipe 102; the press ring 103 is connected to the first protection tube 101 and is located at the end of the first sampling tube 102; the pressing cap 105 is detachably connected to the first protection tube 101 and is used for abutting the sampling nozzle on the pressing ring 103.
When the multifunctional smoke dust sampling device is used for sampling and collecting smoke dust, the filter membrane sampling nozzle 104a or the filter cartridge sampling nozzle 104b is pressed on the pressing ring 103 by the pressing cap 105, so that the sampling nozzle is communicated with the first sampling pipe 102, the sampling pipe can be matched with the filter membrane sampling nozzle 104a and the filter cartridge sampling nozzle 104b, the multifunctional smoke dust sampling device is used under different working conditions, only the sampling nozzle needs to be replaced, and the field operation is simple and the burden of personnel is small.
Specifically, the first sampling tube 102 includes a tube body 1021 and a tube end 1022, and more specifically, the tube body 1021 and the tube end 1022 are welded together to form an integral structure, the tube body 1021 is spaced from the inner wall of the first protection tube 101 by a set distance, and the tube end 1022 and the inner wall of the first protection tube 101 are in clearance fit and are hermetically connected by a sealing ring 110. The inner wall of the first protection tube 101 forms a sealing groove at a position matching with the tube end 1022, and the sealing ring 110 is installed in the sealing groove to realize the sealing connection between the first sampling tube 102 and the first protection tube 101, so as to prevent the gas passing through the sampling nozzle from flowing to the area between the first sampling tube 102 and the first protection tube 101.
In particular, the press ring 103 is screwed onto the first protective tube 101 and presses against the tube end 1022. To define the position of the first sampling tube 102 within the first protective tube 101.
In order to avoid that gas contains the gaseous high humidity of higher than abominable operating mode under high humidity gas makes the too high data deviation that makes the collection of sampling mouth collection smoke and dust humidity too big, be equipped with heating device 106 on the first sampling pipe 102, the heating of control heating device 106 can make the interior steam of sampling mouth evaporate fast in the sampling process, simultaneously, in order to avoid sampling pipe temperature too high, first sampling pipe 102 still sets up temperature measuring device 107, and when temperature measuring device 107 detected the temperature and reached the setting value, sampling control portion 300 control heating device 106 stops the heating.
The temperature measuring device 107 is disposed independently of the heating device 106, and more specifically, the heating device 106 includes a first heat-conducting sleeve and a heating body fixedly connected to the heat-conducting sleeve, and the first heat-conducting sleeve is sleeved on the tube body 1021 and is located in a region close to the tube end 1022. The heating body adopts heating sources such as ceramic heating rods or electric heating wires, and the first heat-conducting sleeve is made of an aluminum pipe to conduct heat quickly.
Specifically, the press cap 105 includes: a pressing portion 1053 abutting on the sampling nozzle; a fastening portion 1051 detachably coupled to the first protection tube 101, and a coupling portion 1052 coupled between the pressing portion 1053 and the fastening portion 1051. More specifically, the fastening portion 1051 is provided with an external thread, the first protection pipe 101 is provided with an internal thread, and the fastening portion 1051 is screwed with the first protection pipe 101. In order to prevent the pressing portion 1053 from rubbing the surface of the sampling nozzle when the fastening portion 1051 rotates with the fastening portion 1051 during the screwing process of the fastening portion 1051 and the first protection tube 101, the fastening portion 1051 and the connection portion 1052 are rotatably connected, and the connection portion 1052 and the pressing portion 1053 are fixedly connected. That is, when the fastening portion 1051 rotates, the connection portion 1052 and the pressing portion 1053 do not rotate therewith. The squeezing portion 1053 is made of a compressible elastic material, such as rubber, to avoid deformation of the sampling nozzle.
Specifically, the filter sampling nozzle 104a includes: the smoke dust collecting device comprises a first bent pipe part 104a1 used for extending into a flue to be detected to collect smoke dust, a first particle containing part used for containing particles, and a mounting part 104a4 used for being mounted and fixed in the sampling pipe. The first particulate matter containing section is enclosed by the filter membrane 104a3 and an arcuate connecting section 104a2 projecting toward the first elbow section 104a1, the arcuate connecting section 104a2 being connected to the elbow section; the mounting portion 104a4 surrounds the first particulate matter accommodating portion and is formed in a ring plate shape. The pressing portion 1053 presses against the mounting portion 104a4 and the arcuate connecting portion 104a2 to achieve secure positioning of the filter sampling nozzle 104 a.
Specifically, cartridge sampling nozzle 104b includes: a second elbow part 104b1 for stretching into the flue to be measured and collecting smoke and dust, a second particulate matter accommodating part for accommodating particulate matter. Wherein the second particulate matter receiving part is defined by a filter cartridge 104b3 and a cover plate 104b2, the cover plate 104b2 being connected to the second elbow part 104b 1; the pressing portion 1053 presses against the lid plate 104b 2.
Specifically, the ends of the squeezing portion 1053 are shaped to match the filter membrane sampling nozzle 104a and the cartridge sampling nozzle 104b so that both sampling nozzles can be securely connected inside the first protective tube 101.
Specifically, the inner wall surface of the tube end 1022 of the first sampling tube 102 is formed to match the cylindrical surface of the filter cartridge 104b3, specifically, the cylindrical surface of the filter cartridge 104b3 is formed to be a conical surface, and the inner wall surface of the tube end 1022 is formed to be a conical surface, so that the filter cartridge sampling nozzle 104b can be positioned more reliably, and the filter cartridge sampling nozzle 104b is prevented from shaking in the first sampling tube 102.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A multifunctional smoke dust sampling device comprises a sampling device,
sampling pipe body and be located respectively the sampling control portion and the sampling pipe head portion at sampling pipe body both ends, its characterized in that, the sampling pipe head portion includes:
a first protective tube;
a first sampling tube located inside the first protective tube;
the sampling nozzle is detachably connected to the inner side of the first protection pipe and is communicated with the first sampling pipe;
the compression ring is connected to the first protection pipe and is positioned at the end part of the first sampling pipe;
and the pressure cap is detachably connected to the first protection tube and used for abutting the sampling nozzle against the pressure ring.
2. The multifunctional smoke dust sampling device according to claim 1, wherein: the first sampling tube comprises:
a body part spaced a set distance from an inner wall of the first protection pipe;
the pipe end part is in clearance fit with the inner wall of the first protection pipe and is connected with the first protection pipe in a sealing mode through a sealing ring.
3. The multifunctional smoke dust sampling device according to claim 2, wherein:
the pressing ring is in threaded connection with the first protection pipe and presses against the pipe end.
4. The multifunctional smoke dust sampling device according to claim 2, wherein:
the sampling device comprises a first sampling pipe, a second sampling pipe and a sampling control part, wherein the first sampling pipe is provided with a heating device and a temperature measuring device, the temperature measuring device detects the temperature of the first sampling pipe, and the sampling control part controls the heating device to be opened or closed according to the temperature of the first sampling pipe.
5. The multifunctional smoke dust sampling device according to claim 4, wherein:
the heating device comprises a first heat-conducting sleeve and a heating body fixedly connected to the heat-conducting sleeve, and the heat-conducting sleeve is sleeved on the pipe body part and is located in an area close to the pipe end part.
6. The multifunctional smoke dust sampling device according to claim 5, wherein:
the temperature measuring device comprises a second heat-conducting sleeve and a temperature measuring part fixedly connected to the second heat-conducting sleeve, the second heat-conducting sleeve is sleeved on the pipe body part and is far away from the area of the pipe end part, and a signal wire of the heating body penetrates through the second heat-conducting sleeve.
7. The multifunctional smoke dust sampling device according to claim 1, wherein: the pressure cap includes:
the squeezing part is abutted against the sampling nozzle;
the fastening part is detachably connected to the first protection pipe;
a connection part connected between the pressing part and the fastening part.
8. The multifunctional smoke dust sampling device according to claim 7, wherein: the sampling mouth includes filter membrane sampling mouth, filter membrane sampling mouth includes:
the first bent pipe part is used for extending into a flue to be detected to collect smoke dust;
the first particle containing part is surrounded by a filtering membrane and an arc-shaped connecting part protruding towards the first bent pipe part, and the arc-shaped connecting part is connected with the bent pipe part;
a mounting portion surrounding an outer periphery of the first particulate matter-containing portion;
the end part of the extrusion part is pressed against the installation part and the arc-shaped connection part.
9. The multifunctional smoke dust sampling device according to claim 7, wherein: the sampling nozzle comprises a cartridge sampling nozzle, the cartridge sampling nozzle comprising:
the second bent pipe part is used for extending into the flue to be tested to collect smoke dust;
the second particle containing part is surrounded by a filter cylinder and a cover plate, and the cover plate is connected with the second elbow part;
the end of the pressing portion presses against the cover plate.
10. The multifunctional smoke dust sampling device according to claim 9, wherein:
the inner wall surface of the pipe end part of the first sampling pipe is matched with the shape of the cylinder surface of the filter cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718090.5U CN212780171U (en) | 2020-08-18 | 2020-08-18 | Multifunctional smoke dust sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718090.5U CN212780171U (en) | 2020-08-18 | 2020-08-18 | Multifunctional smoke dust sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780171U true CN212780171U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718090.5U Active CN212780171U (en) | 2020-08-18 | 2020-08-18 | Multifunctional smoke dust sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780171U (en) |
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- 2020-08-18 CN CN202021718090.5U patent/CN212780171U/en active Active
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