CN217424891U - Fixed sampling structure of positive pressure high sulfur dioxide flue gas - Google Patents
Fixed sampling structure of positive pressure high sulfur dioxide flue gas Download PDFInfo
- Publication number
- CN217424891U CN217424891U CN202220964338.9U CN202220964338U CN217424891U CN 217424891 U CN217424891 U CN 217424891U CN 202220964338 U CN202220964338 U CN 202220964338U CN 217424891 U CN217424891 U CN 217424891U
- Authority
- CN
- China
- Prior art keywords
- sampling
- rubber plug
- pipe
- sulfur dioxide
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a fixed sampling structure of high sulfur dioxide flue gas of malleation, its characterized in that: the sampling pipe is fixedly arranged on a positive pressure high sulfur dioxide flue gas flue, the nut is in threaded connection with the pipe orifice of the sampling pipe and comprises a stainless steel cylindrical pipe body and first threads arranged on the inner peripheral surface of the wall body of a first end part of the stainless steel cylindrical pipe body, a sealing plate with a central through hole is arranged at a second end part of the nut, a rubber plug is fixedly arranged at a position, close to a second end part, in the nut body, the outer peripheral surface of the rubber plug is in tight contact with the inner peripheral surface of a second end part of the nut to realize gas and liquid sealing, the outer end surface of the rubber plug is in tight contact with the inner end surface of the sealing plate to realize gas and liquid sealing, and an elastic jack for inserting a glass sampling pipe is arranged at the central part of the rubber plug; the sampling pipe is provided with a valve. The utility model discloses be favorable to making things convenient for sampling device's installation, and mounting structure is reliable and stable, is difficult to appear that sampling device deviates from, causes harmful gas's leakage.
Description
The technical field is as follows:
the utility model belongs to the non ferrous metal metallurgy field, especially a fixed sampling structure of positive pressure high sulfur dioxide flue gas that uses in metallurgical equipment.
The background art comprises the following steps:
at present, during metallurgy of metallurgical equipment, 10 sampling ports in total need to be sampled every week in the two equipment, and sampling is frequent.
However, the sampling port of the existing metallurgical equipment is unreasonable in design, so that the sampling efficiency is low, and the main reasons are as follows: before the sample, sampling device's fixed preparation work, need adopt tape-stripping or iron wire to fix promptly, because the sampling point is many, above fixed mode has taken a large amount of operating time, lead to work efficiency to descend and have the insecure problem of fixing device, and simultaneously, during the sample staff need stare at the sampling scene tightly always and arrive at 1 h's sampling, in case sampling device is flushed out, because pressure is high and harmful gas concentration is big, sampling device is not only caused the harmful gas (high pressure, high concentration SO 2) of high concentration excessive in the twinkling of an eye that is flushed, but also can cause harm to personnel's health.
The utility model has the following contents:
an object of the utility model is to provide a fixed sampling structure of high sulfur dioxide flue gas of malleation, this fixed sampling structure of high sulfur dioxide flue gas of malleation reasonable in design is favorable to improving sampling efficiency.
The utility model discloses fixed sampling structure of positive pressure high sulfur dioxide flue gas, its characterized in that: the sampling pipe is fixedly arranged on a positive pressure high sulfur dioxide flue gas flue, the screw cap is in threaded connection with the pipe orifice of the sampling pipe, the screw cap comprises a stainless steel cylindrical pipe body and first threads arranged on the inner peripheral surface of the wall body of the first end part of the stainless steel cylindrical pipe body, a sealing plate with a central through hole is arranged at the second end part of the screw cap, a rubber plug is fixedly arranged at a position close to the second end part in the screw cap body, the outer peripheral surface of the rubber plug is in close contact with the inner peripheral surface of the second end part of the screw cap to realize gas and liquid sealing, the outer end surface of the rubber plug is in close contact with the inner end surface of the sealing plate to realize gas and liquid sealing, and an elastic jack used for inserting a glass sampling smoke gun is arranged at the central part of the rubber plug; the sampling pipe is provided with a valve.
Furthermore, a flange used for resisting the inner end face of the rubber plug is arranged on the inner peripheral wall of the stainless steel cylindrical pipe body.
Furthermore, the flange is a circular plate parallel to the sealing plate, the rubber plug is a cylindrical plug, and the diameter of the inner hole of the circular plate is two thirds of the outer diameter of the rubber plug.
Furthermore, the flange is a circular plate parallel to the sealing plate, the rubber plug is a conical plug, and the diameter of the inner hole of the circular plate is two thirds of the outer diameter of the small end of the rubber plug.
The utility model discloses the theory of operation of the fixed sampling structure of positive pressure high sulfur dioxide flue gas: before the sampling, the valve on the sampling pipe is the closed condition, when needs sampling, with the nut (belong to sampling device's partly) the mouth of pipe of sampling pipe of screwing on, insert glass sampling pipe (belong to sampling device's partly) in the elasticity jack, open the valve, adjust sampling pressure, the flow, gas in the flue is collected completely by sampling device promptly, after finishing sampling, can extract glass sampling pipe from the elasticity jack, close the valve, screw the nut and screw down the sampling pipe, move this nut to another sampling pipe mouth of pipe and use, perhaps all be equipped with a nut on every sampling pipe mouth of pipe soon.
The utility model discloses positive pressure high sulfur dioxide flue gas's fixed sampling structure reasonable in design is favorable to making things convenient for sampling device's installation, and mounting structure is reliable and stable, is difficult to appear that sampling device deviates from, causes harmful gas's leakage.
Description of the drawings:
fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a schematic view of the partial configuration of FIG. 1;
FIG. 3 is a schematic view of the construction of the alternate embodiment of FIG. 2;
fig. 4 is a schematic cross-sectional configuration of another embodiment of fig. 1.
The specific implementation mode is as follows:
in order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
The utility model discloses fixed sampling structure of positive pressure high sulfur dioxide flue gas is including fixed sampling pipe 1 of establishing on positive pressure high sulfur dioxide flue gas A, and flue gas flue A and sampling pipe 1 are current pipeline, and its material can be stainless steel pipeline etc. is equipped with valve 10 on the sampling pipe 1, and this valve can be manual valve, and the aforesaid structure is current metallurgical equipment's structure and part, follow-up improvement part that is this application.
Threaded connection on the mouth of pipe of sampling tube 1 is at nut 2, nut 2 includes stainless steel column form body 3 and establishes the first screw thread 4 at stainless steel column form body first end wall body inner peripheral surface, and a section of cross-section of periphery of this stainless steel column form body is regular hexagon to make things convenient for the spanner to screw, the second end of nut is equipped with closure plate 5 that has central perforation 7, the fixed position that is close to the second end in nut 2 is equipped with rubber buffer 6, the outer peripheral face 61 of rubber buffer 6 and the inner peripheral surface in close contact with of nut second end are in order to realize gas, liquid seal, and rubber buffer outer end face 62 and the closure plate inner end face in close contact with realize gas, liquid seal, through coating glue when the outer peripheral face of rubber buffer 6 and the inner peripheral surface in close contact with of nut second end in order to realize gas, liquid seal, through coating glue when rubber buffer outer end face 7 and the closure plate inner end face in close contact with realize gas, liquid seal, And (5) liquid sealing.
Be equipped with the elasticity jack 9 that is used for inserting glass sampling opium pipe 12 at the central part of rubber buffer, this rubber buffer has great elasticity, during the preparation of this elasticity jack 9, insert flat form rectangle blade promptly at complete rubber buffer central part, form elasticity jack 9 promptly after this blade is pulled out, this elasticity jack 9 is because the elasticity of rubber buffer itself, when having not inserted the foreign object, for encapsulated situation (the sampling gas in the sampling pipe 1 can not spill over this moment), when having glass sampling opium pipe 12 to insert elasticity jack 9, the sampling gas in the sampling pipe 1 can get into glass sampling opium pipe 12 promptly.
In order to realize the resisting and supporting of the inner end of the rubber plug, a flange 11 used for resisting the inner end face of the rubber plug is arranged on the inner peripheral wall of the stainless steel column-shaped tube, the flange 11 is a circular ring-shaped plate parallel to the sealing plate, the rubber plug is a cylindrical plug, the diameter of an inner hole of the circular ring-shaped plate is two thirds of the outer diameter of the rubber plug, or the flange is a circular ring-shaped plate parallel to the sealing plate, the rubber plug is a conical plug, and the diameter of an inner hole of the circular ring-shaped plate is two thirds of the outer diameter of the small end of the rubber plug.
When in use: before the sampling, the valve on the sampling pipe is the off-state, when needs sampling, with the nut (belonging to sampling device's partly) the mouth of pipe of sampling pipe of screwing on, insert glass sampling opium pipe (belonging to sampling device's partly) in the elasticity jack, open the valve, treat after the certain time, the sampling gas in the flue is collected completely by sampling device promptly, can extract glass sampling opium pipe from the elasticity jack, close the valve, screw cap screw down the sampling pipe, move this nut to another sampling pipe mouth of pipe and use, perhaps all be equipped with a nut soon on every sampling pipe mouth of pipe, need not to relapse to establish soon promptly like this.
Fig. 4 is a schematic cross-sectional configuration of another embodiment of fig. 1, and fig. 4 is different from fig. 1 in that the glass sampling pipe 12 is longer and is inserted into the flue gas duct a, so that the sampling accuracy is higher, and the valve 10 of this embodiment may be a butterfly valve, a ball valve, or the like, so as not to interfere with the glass sampling pipe 12.
The utility model discloses the fixed sampling structure of positive pressure high sulfur dioxide flue gas reasonable in design is favorable to making things convenient for sampling device's installation, and mounting structure is reliable and stable, is difficult to appear that sampling device deviates from, causes harmful gas's leakage, can improve sampling efficiency greatly.
Claims (4)
1. The utility model provides a fixed sampling structure of high sulfur dioxide flue gas of malleation which characterized in that: the sampling pipe is fixedly arranged on a positive pressure high sulfur dioxide flue gas flue, the screw cap is in threaded connection with the pipe orifice of the sampling pipe, the screw cap comprises a stainless steel cylindrical pipe body and first threads arranged on the inner peripheral surface of the wall body of the first end part of the stainless steel cylindrical pipe body, a sealing plate with a central through hole is arranged at the second end part of the screw cap, a rubber plug is fixedly arranged at a position close to the second end part in the screw cap body, the outer peripheral surface of the rubber plug is in close contact with the inner peripheral surface of the second end part of the screw cap to realize gas and liquid sealing, the outer end surface of the rubber plug is in close contact with the inner end surface of the sealing plate to realize gas and liquid sealing, and an elastic jack used for inserting a glass sampling smoke gun is arranged at the central part of the rubber plug; and a valve is arranged on the sampling pipe.
2. The positive pressure high sulfur dioxide flue gas fixed sampling structure of claim 1, wherein: the inner peripheral wall of the stainless steel column-shaped pipe body is provided with a flange used for resisting the inner end face of the rubber plug.
3. The positive pressure high sulfur dioxide flue gas fixed sampling structure of claim 2, wherein: the flange is the ring shape board parallel with the closure plate, and the rubber buffer is cylindrical stopper, and the hole diameter of ring shape board is the third two of rubber buffer external diameter.
4. The positive pressure high sulfur dioxide flue gas fixed sampling structure of claim 2, wherein: the flange is a circular ring-shaped plate parallel to the sealing plate, the rubber plug is a conical plug, and the diameter of an inner hole of the circular ring-shaped plate is two thirds of the outer diameter of the small end of the rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964338.9U CN217424891U (en) | 2022-04-25 | 2022-04-25 | Fixed sampling structure of positive pressure high sulfur dioxide flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964338.9U CN217424891U (en) | 2022-04-25 | 2022-04-25 | Fixed sampling structure of positive pressure high sulfur dioxide flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217424891U true CN217424891U (en) | 2022-09-13 |
Family
ID=83184471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220964338.9U Active CN217424891U (en) | 2022-04-25 | 2022-04-25 | Fixed sampling structure of positive pressure high sulfur dioxide flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217424891U (en) |
-
2022
- 2022-04-25 CN CN202220964338.9U patent/CN217424891U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201589726U (en) | Sampler with self-closing sampling bottle | |
| CN217424891U (en) | Fixed sampling structure of positive pressure high sulfur dioxide flue gas | |
| CN104006987A (en) | Closed sampling device | |
| CN209414652U (en) | A kind of fluoroplastics lining sampling valve | |
| CN203824799U (en) | Airtight sampling device | |
| CN112414776A (en) | Airtight oil extraction device of transformer | |
| CN109442055B (en) | Fluoroplastic lining sampling valve | |
| CN214173860U (en) | Airtight oil extraction device of transformer | |
| CN207231850U (en) | A kind of sampler for petroleum pipeline | |
| CN218971876U (en) | Deck ball valve | |
| CN217272105U (en) | Needle valve with pressure relief and exhaust functions | |
| CN206292069U (en) | A kind of closed reception device of on-line period | |
| CN216045703U (en) | Leak-proof oil-blocking sealing mechanism | |
| CN219159590U (en) | Gate valve rod protection structure | |
| CN209839163U (en) | High-reliability sampling valve for transformer | |
| CN211374228U (en) | Fast-assembling pipeline sampling device | |
| CN215891197U (en) | Valve body structure of automatic control ball valve | |
| LU504041B1 (en) | The flue gas flow adjusting device, sampling pipe and flow adjusting method | |
| CN217583301U (en) | Air faucet | |
| CN109538821A (en) | Micro ball valve | |
| CN215262575U (en) | Sampling device for on-load tap-changer | |
| CN208237170U (en) | A kind of manual charge valve of vacuum drying oven | |
| CN215598760U (en) | Prevent hydraulic oil sampling device that oil appearance pollutes | |
| CN211262883U (en) | Sealed reinforced negative pressure gas collection device | |
| CN207231827U (en) | A kind of vacuum oil sealed sampling device of for transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |