CN201269836Y - Gas sampling device for caloric value instrument - Google Patents
Gas sampling device for caloric value instrument Download PDFInfo
- Publication number
- CN201269836Y CN201269836Y CNU2008201536374U CN200820153637U CN201269836Y CN 201269836 Y CN201269836 Y CN 201269836Y CN U2008201536374 U CNU2008201536374 U CN U2008201536374U CN 200820153637 U CN200820153637 U CN 200820153637U CN 201269836 Y CN201269836 Y CN 201269836Y
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- caloric value
- sampling apparatus
- value instrument
- coal gas
- dehydrator
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Abstract
The utility model discloses a calorimeter gas sampling device which consists of a pipe and a first service valve, a strainer relief valve and a second service valve which are communicated in sequence through the pipe, and a dehydrator which is arranged between the first service valve and the strainer relief valve and respectively communicated with the first service valve and the strainer relief valve through the pipe. The sampling device effectively condensates and removes water content in the gas through the dehydrator, prevents condensate water from entering the calorimeter to cause the failure of the calorimeter, and simultaneously enhances the filtration of impurities, prolongs the service life of the strainer relief valve; in addition, a pressure gauge arranged can monitor the pressure of the gas entering the calorimeter and has the function of forecasting and self-check over the maintenance of the sampling device.
Description
Technical field
The utility model relates to the utility appliance of caloric value instrument, more particularly, relates to a kind of caloric value instrument coal gas sampling apparatus, and this sampling apparatus can help removing moisture and the impurity in the coal gas.
Background technology
Caloric value instrument is a kind of comparatively common instrument that is used for the gas analysis measurement, in its use, needs to connect the coal gas sampling apparatus that communicates, and is used for coal gas is sampled.See also shown in Figure 1ly, this coal gas sampling apparatus 10 comprises that pipeline 11 and first service valve 12 that is connected successively by pipeline 11, filtering pressure reducing valve 13 and second service valve, 14, the second service valves 14 are communicated to caloric value instrument by pipeline 11.During use, the coal gas of collection enters and carries out contaminant filter in the filtering pressure reducing valve 13 and regulate pressure earlier by first service valve 12, inputs to caloric value instrument through second service valve 14 and by pipeline 11 then.But, in this sampling process, owing to contain moisture in the coal gas of gathering, cooling effect by pipeline 11, condensate water is separated out, because the gas pressure of pipeline 11 inflow points is higher than the exit, therefore in this sampling apparatus 10, coal gas can be brought condensate water into caloric value instrument, causes instrument work malfunctioning; And because the filtration capacity of filtering pressure reducing valve 13 itself is limited, a large amount of impurity in the coal gas all need through its filtration, and easily cause filtering pressure reducing valve 13 to stop up, and cause failure rate higher, need frequently replacing; In addition, the fault of whole sampling apparatus 10 can't monitoring, often is after caloric value instrument goes wrong, and just can realize it is that sampling apparatus 10 is malfunctioning, at this moment, can only carry out rush repair, thereby influence the use of caloric value instrument.
The utility model content
Enter easily that caloric value instrument causes that it is malfunctioning, filtering pressure reducing valve easily stops up and shortcoming that can't self check at the condensate water in the above-mentioned coal gas that exists in the prior art, the purpose of this utility model provides a kind of caloric value instrument coal gas sampling apparatus, this sampling apparatus can effectively be removed the moisture in the coal gas, guarantees the operate as normal of caloric value instrument.
For achieving the above object, the utility model adopts following technical scheme:
This caloric value instrument coal gas sampling apparatus comprises pipeline and first service valve that is connected successively by pipeline, filtering pressure reducing valve and second service valve, second service valve is connected with caloric value instrument by pipeline, this sampling apparatus also comprises a dehydrator, dehydrator is located between first service valve and the filtering pressure reducing valve, and is connected with first service valve, filtering pressure reducing valve respectively by pipeline.
Described dehydrator indoor design is water storage cavity, separate cavities and three parts of drying chamber, is equipped with dividing plate between water storage cavity and the separate cavities and between separate cavities and the drying chamber, is provided with drying agent in the drying chamber.
Described water storage cavity is connected with dehydrator bottom and both sides inwall with dividing plate between the separate cavities, leaves passage between its top and the dehydrator upper inside wall.
Described separate cavities is connected with dehydrator top and both sides inwall with dividing plate between the drying chamber, and its bottom is connected with screen cloth, and the screen cloth bottom is connected with the dehydrator lower inner wall.
One side lower part of described water storage cavity is communicated with drainage pipeline, and drainage pipeline is provided with water drain valve.
The top of described drying chamber has drying agent and changes the hole, and this replacing hole is provided with end cap, and end cap is connected sealing with the replacing hole.
Described second service valve, one end is communicated with a three-way pipe, and this three-way pipe one end is connected with caloric value instrument, is communicated with on the other end to be provided with a tensimeter.
In technique scheme, caloric value instrument coal gas sampling apparatus of the present utility model comprises pipeline and first service valve that is connected successively by pipeline, filtering pressure reducing valve and second service valve, this sampling apparatus also comprises a dehydrator, dehydrator is located between first service valve and the filtering pressure reducing valve, and is connected with first service valve, filtering pressure reducing valve respectively by pipeline.This sampling apparatus carries out effective condensation and removal by dehydrator to the moisture in the coal gas, prevent that condensate water from entering caloric value instrument and causing it malfunctioning, also strengthened simultaneously filtration to impurity, prolonged the serviceable life of filtering pressure reducing valve, in addition, not only can monitor the gas pressure that enters caloric value instrument by tensimeter is set, but also can play prediction self check effect the maintenance of this sampling apparatus.
Description of drawings
Fig. 1 is the structural representation of the caloric value instrument coal gas sampling apparatus of prior art;
Fig. 2 is the structural representation of caloric value instrument coal gas sampling apparatus of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also shown in Figure 2, caloric value instrument coal gas sampling apparatus 20 of the present utility model is used for the coal gas sampling of caloric value instrument equally, sampling apparatus 10 (see figure 1)s of its structure and prior art are basic identical, comprise pipeline 21 and first service valve 22 that is connected successively by pipeline 21 equally, the filtering pressure reducing valve 23 and second service valve 24, second service valve 24 is connected with caloric value instrument by pipeline 21, different is, this sampling apparatus 20 also has additional a dehydrator 25 between first service valve 22 and filtering pressure reducing valve 23, and this dehydrator 25 by pipeline 21 respectively with first service valve 22, filtering pressure reducing valve 23 is connected.This dehydrator 25 is a casing with cavity structure that adopts 3～4mm steel plate to be welded, three parts of its indoor design, be followed successively by water storage cavity 251, separate cavities 252 and drying chamber 253 from right to left, separate by dividing plate 254a, 254b between water storage cavity 251 and the separate cavities 252 and between separate cavities 252 and the drying chamber 253, be provided with granular drying agent 27 in the drying chamber 253.Three limits of dividing plate 254a between water storage cavity 251 and the separate cavities 252 are connected with the bottom and the both sides inwall of dehydrator 25 respectively, are not connected between its top and dehydrator 25 upper inside wall, leave the passage of about 2～3cm height, are used for the feeding of coal gas; And three limits of the dividing plate 254b between separate cavities 252 and the drying chamber 253 are connected with the top and the both sides inwall of dehydrator 25 respectively, its bottom is connected with screen cloth 255, the bottom of screen cloth 255 is connected with the lower inner wall of dehydrator 25, both sides are connected with the inside, both sides of dehydrator 25 respectively, be used for the feeding of coal gas, simultaneously also be used to intercept drying agent 27, prevent its outflow.Admission line 21 1 ends that link to each other with first service valve 22 feed from the left upper portion of water storage cavity 251, and it is crooked downwards until water storage cavity 251 1/3rd places highly, bottom, the left side connection of water storage cavity 251 is provided with a drainage pipeline 211, drainage pipeline 211 is provided with water drain valve 212, is used for regularly discharging condensate water.The top of drying chamber 253 has drying agent 27 and changes the hole, and this replacing hole is provided with end cap 256, and end cap 256 is connected sealing with the replacing hole.Be communicated with a three-way pipe at second service valve, 24 1 ends, this three-way pipe one end is connected with caloric value instrument, also is communicated with on the other end to be provided with a tensimeter 26.
During use, when the pipeline 21 of coal gas by this sampling apparatus 20 enters to 1/3rd places of water storage cavity 251, the cooling effect of water storage cavity 251 inwalls by dehydrator 25, most of moisture in the coal gas is cooled to condensate water, be stored in the water storage cavity 251, and enter separate cavities 252 by the passage on the dividing plate 254a through the coal gas of condensation, isolated area can effectively be isolated condensate water, coal gas enters drying chamber 253 by screen cloth 255 again, carry out further dried by 27 pairs of coal gas of drying agent, the small amount of moisture that may have in the coal gas is removed fully, simultaneously also can adsorb removal to the most of impurity in the coal gas, coal gas by drying enters filtering pressure reducing valve 23 by pipeline 21, this moment, the effect of filtering pressure reducing valve 23 was that small amount of impurities residual in the coal gas is further filtered, and coal gas is reduced pressure, therefore, this filtering pressure reducing valve 23 can not stop up because of the impurity excess, and prolong serviceable life.Do not had moisture and impurity through post-decompression this coal gas, sent into caloric value instrument, be used for analysis to measure by second service valve 24.Meet the requirement of caloric value instrument analysis to measure fully by the coal gas of this sampling apparatus 20 samplings, can not produce infringement, avoid caloric value instrument to work malfunctioning because of condensate water to caloric value instrument.And above-mentioned tensimeter 26 can be used for the coal gas that inputs to caloric value instrument is carried out pressure measurement, and the self check that is used for whole sampling apparatus 20 is safeguarded.Below its use is illustrated, gas pressure is 140mbar when the source, the gas pressure that arrives three-way pipe is 20～40mbar, it is maximum that scalable filtering pressure reducing valve 23 makes pressure output at this moment, if and tensimeter 26 is when detecting the gas pressure at these places and not reaching 60mbar, illustrate that plugging fault might soon take place this sampling apparatus 20, must in 2 weeks, carry out repair and maintenance, thereby realize the self check forecast function of this sampling apparatus 20.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (7)
1. caloric value instrument coal gas sampling apparatus, this sampling apparatus comprises pipeline and first service valve that is connected successively by pipeline, filtering pressure reducing valve and second service valve, second service valve is connected with caloric value instrument by pipeline, it is characterized in that:
This sampling apparatus also comprises a dehydrator, and dehydrator is located between first service valve and the filtering pressure reducing valve, and is connected with first service valve, filtering pressure reducing valve respectively by pipeline.
2. caloric value instrument coal gas sampling apparatus as claimed in claim 1 is characterized in that:
Described dehydrator indoor design is water storage cavity, separate cavities and three parts of drying chamber, is equipped with dividing plate between water storage cavity and the separate cavities and between separate cavities and the drying chamber, is provided with drying agent in the drying chamber.
3. caloric value instrument coal gas sampling apparatus as claimed in claim 2 is characterized in that:
Described water storage cavity is connected with dehydrator bottom and both sides inwall with dividing plate between the separate cavities, leaves passage between its top and the dehydrator upper inside wall.
4. caloric value instrument coal gas sampling apparatus as claimed in claim 2 is characterized in that:
Described separate cavities is connected with dehydrator top and both sides inwall with dividing plate between the drying chamber, and its bottom is connected with screen cloth, and the screen cloth bottom is connected with the dehydrator lower inner wall.
5. caloric value instrument coal gas sampling apparatus as claimed in claim 2 is characterized in that:
One side lower part of described water storage cavity is communicated with drainage pipeline, and drainage pipeline is provided with water drain valve.
6. caloric value instrument coal gas sampling apparatus as claimed in claim 2 is characterized in that:
The top of described drying chamber has drying agent and changes the hole, and this replacing hole is provided with end cap, and end cap is connected sealing with the replacing hole.
7. caloric value instrument coal gas sampling apparatus as claimed in claim 1 is characterized in that:
Described second service valve, one end is communicated with a three-way pipe, and this three-way pipe one end is connected with caloric value instrument, is communicated with on the other end to be provided with a tensimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201536374U CN201269836Y (en) | 2008-09-27 | 2008-09-27 | Gas sampling device for caloric value instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201536374U CN201269836Y (en) | 2008-09-27 | 2008-09-27 | Gas sampling device for caloric value instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269836Y true CN201269836Y (en) | 2009-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201536374U Expired - Fee Related CN201269836Y (en) | 2008-09-27 | 2008-09-27 | Gas sampling device for caloric value instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269836Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576725A (en) * | 2012-07-21 | 2014-02-12 | 新疆天业（集团）有限公司 | Method for adjusting and stabilizing pressure of calcium carbide furnace gas |
| CN105203355A (en) * | 2014-06-24 | 2015-12-30 | 上海宝钢化工有限公司 | Coke oven gas sampling device and method |
-
2008
- 2008-09-27 CN CNU2008201536374U patent/CN201269836Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576725A (en) * | 2012-07-21 | 2014-02-12 | 新疆天业（集团）有限公司 | Method for adjusting and stabilizing pressure of calcium carbide furnace gas |
| CN105203355A (en) * | 2014-06-24 | 2015-12-30 | 上海宝钢化工有限公司 | Coke oven gas sampling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20160927 |