CN213301797U

CN213301797U - Gas sampling treatment device in device process

Info

Publication number: CN213301797U
Application number: CN202021948977.3U
Authority: CN
Inventors: 魏宏; 聂凌; 陈伟; 张玮; 赵凯; 荆华; 熊重寒; 袁剑; 孟献金; 汤成; 林飞; 任华; 何利; 罗华; 杨泽华; 卓银川; 唐洋; 许昌辉; 冯科; 程槟
Original assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-28
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a gaseous sample processing apparatus in device flow, gaseous sample processing apparatus include mainly by casing one with arrange in the impurity filter that silica gel in the casing one packed to be constituteed, impurity filter's inlet port is connected with the bleed pipeline that can be connected with the exhaust point on the device flow, impurity filter's exhaust port is connected with the sample detection pipeline. The utility model discloses a specificity to the device flow, it is with the device flow in the leading-in impurity filter that has silica gel filler of the sample gas of arranging of bleed pipeline, filter the impurity such as liquid, solid that gets rid of sample gas and carry reliably by impurity filter to reduce effectively, eliminate sample gas and carry liquid, impurity such as solid and to the gaseous component detection of sample and bring adverse effect even, be favorable to improving the gaseous detection precision of sample that the operation obtained of low reaches detects reliably.

Description

Gas sampling treatment device in device process

Technical Field

The utility model relates to a gas sampling technique specifically is a gaseous (for example replacement gas) sample processing apparatus in device flow.

Background

The plant flow is a process flow system structure in which the components of the reaction sequence process or the chemical processing sequence are connected by pipelines, namely a production line of the reaction process or the chemical processing, such as a production line of an oil/gas processing process and the like.

In the process of construction or subsequent maintenance, the gas in the device process needs to be replaced, and the gas replacement is a common operation mode in the device process. Through gas replacement, can discharge the gas such as combustible, poisonous, harmful in the device flow effectively to ensure production safety. In order to verify whether or not the gas replacement operation in the apparatus flow is acceptable, it is necessary to sample and detect the gas in the apparatus flow.

At present, for gas sampling detection in the device process, an exhaust port is opened on the device process, and gas exhausted from the exhaust port is directly detected by a gas detection instrument. However, the gas in the device flow usually carries impurities such as liquid and solid, and the sampling detection method does not carry out impurity removal pretreatment on the sampled gas discharged in the device flow, which may cause the impurities such as liquid and solid carried in the gas to affect the sufficient contact between the sampled gas and the detection instrument or affect the detection signal of the detection instrument, and the detection data finally reflected by the detection instrument cannot truly express the components of the sampled gas, i.e. the detection precision in the sampling detection method is low.

SUMMERY OF THE UTILITY MODEL

The technical purpose of the utility model is that: aiming at the particularity of the device flow and the defects of the prior art, the gas sampling processing device can reliably remove impurities and preprocess the sampled gas discharged in the device flow and is beneficial to improving the detection precision of the sampled gas.

The technical purpose of the utility model is realized through the following technical scheme: the utility model provides a gaseous sample processing apparatus in device flow, gaseous sample processing apparatus include mainly by casing one with arrange in the impurity filter that silica gel in the casing one packed to be constituteed, impurity filter's inlet port is connected with the bleed pipeline that can be connected with the exhaust point on the device flow, impurity filter's exhaust port is connected with the sample detection pipeline. Furthermore, a first valve is arranged on the air-entraining pipeline. And a second valve is arranged on the sampling detection pipeline.

As one preferable scheme, a plurality of first baffle plates are arranged in the accommodating cavity of the impurity filter at intervals in a cross staggered flow channel mode between the air inlet port and the air outlet port, the first baffle plates control the baffling of the gas introduced from the air inlet port and then discharge the gas through the air outlet port, and the silica gel filler is arranged in the whole gas flow channel formed between the first shell and the first baffle plates and between the adjacent first baffle plates.

Preferably, the exhaust port of the impurity filter is connected with an adsorption purifier through a purification pipeline, the adsorption filter mainly comprises a second shell and activated carbon fillers arranged in the second shell, and the adsorption filter is provided with the exhaust port. Furthermore, a plurality of baffle plates II are arranged in the accommodating cavity of the adsorption filter at intervals in a cross staggered flow channel mode between the air inlet port and the air outlet port, the baffle plates II control air introduced from the air inlet port to be baffled and then discharged through the air outlet port, and the activated carbon filler is arranged in the whole air flow channel formed between the shell II and the baffle plates II and between the adjacent baffle plates II. And a third valve is arranged on the purification pipeline. And an exhaust port of the adsorption filter is connected with a vent pipeline. Still further, a valve IV is arranged on the emptying pipeline.

Preferably, an exhaust line capable of being branched to form a sampling detection line and a purge line is connected to an exhaust port of the impurity filter.

The utility model has the beneficial technical effects that:

1. the utility model discloses to the particularity of device flow, it leads to the impurity filter that has silica gel filler with the interior sample gas of device flow through the bleed pipeline in, filters impurity such as the liquid that gets rid of sample gas by the impurity filter reliably, thereby reduces effectively, eliminates even that sample gas carries impurity such as liquid, solid and to the adverse effect that the component of sample gas detected and bring, is favorable to improving the sample gas detection precision that downstream detection operation obtained reliably;

2. the impurity filter of the utility model has the characteristic of simple structure, and the baffling air passage structure in the impurity filter can effectively enhance the impurity removal and filtration technical effect of the sampled gas;

3. the utility model discloses a set up the absorption clarifier in impurity filter's low reaches, when making the gas sampling detection operation realize reliably, high accuracy, can lead into unnecessary sample gas in the absorption clarifier with active carbon filler, adsorb the poisonous, harmful gas in the desorption unnecessary sample gas reliably by the absorption clarifier, reduce the pollution that the sample gas is arranged outward and is caused the environment as far as;

4. the adsorption purifier has the characteristic of simple structure, and meanwhile, the baffling air passage structure in the adsorption purifier can effectively enhance the adsorption and removal technical effect on the redundant sampling gas;

5. the utility model discloses a sample detection pipeline and purification pipeline are favorable to at the integrated connection structure of impurity filter exhaust port the utility model discloses overall structure's compactification.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures mean: 1-impurity filter; 11-shell one; 12-baffle plate one; 13-silica gel packing; 2 — a bleed gas line; 21-valve one; 3-exhaust line; 31-sampling detection pipeline; 32, a second valve; 33-a purge line; 34-valve III; 4-adsorption purifier; 41-shell two; 42-baffle plate II; 43-activated carbon filler; 5-emptying pipeline; 51-valve four.

Detailed Description

The present invention relates to a gas sampling technology, and more particularly to a gas (e.g., replacement gas) sampling processing device in a device flow, and the following embodiments will explain the main technical content of the present invention in detail. In embodiment 1, the technical solution content of the present invention is clearly and specifically explained with reference to the drawings in the specification, that is, fig. 1, and although the drawings are not separately drawn in other embodiments, the main structure of the embodiments can still refer to the drawings of embodiment 1.

It is expressly stated here that the drawings of the present invention are schematic, and unnecessary details have been simplified for the purpose of clarity in order to avoid obscuring the technical solutions that contribute to the prior art.

Example 1

Referring to fig. 1, the present invention comprises an impurity filter 1 and an adsorption purifier 4.

Wherein, impurity filter 1 has the casing 11 that can form sealed appearance chamber, of course, is connected with the apron that can let in the appearance chamber etc. with detachable sealed integrated configuration on this casing 11, otherwise the structure in casing 11 can't be maintained in the later stage. One end of the first shell 11 is provided with an air inlet port, the other opposite end is provided with an air outlet port, a plurality of baffle plates 12 are arranged between the air inlet port and the air outlet port in the accommodating cavity of the first shell 11 at intervals in a way of staggering flow channels in the vertical direction (or the left direction and the right direction) in a crossed way, for example, more than one first baffle plate at the air inlet port is fixed on the top surface and the lower end of the first shell and keeps a distance with the bottom surface of the first shell, the lower end of the first baffle plate is fixed on the bottom surface and the upper end of the first shell and keeps a distance with the top surface of the first shell, the first baffle plate shields the keeping distance of the first baffle plate in the projection direction, the first baffle plate also shields the keeping distance of the second baffle plate in the projection direction, and the other baffle plates form a baffle plate with a return baffle structure between the first shell 11 and the corresponding baffle plate 12 and, The gas flow path of the stroke can be significantly increased. The impurity filter 1 further has a silica gel packing 13, and the silica gel packing 13 is arranged along the entire gas flow passage in the housing one 11 to fill the entire gas flow passage in the housing one 11.

The air inlet port of the impurity filter 1 is hermetically connected with a bleed air line 2. The bleed air line 2 is a flexible hose, and the air inlet end of the bleed air line 2 is used to connect to an exhaust point on the plant process, i.e. an exhaust port (or sampling exhaust port). In addition, an independently controllable valve 21 is provided in the bleed air line 2, and the valve 21 is used to control the on/off state of the bleed air line 2.

An exhaust line 3 is connected to an exhaust port of the impurity filter 1 in a sealed manner. The exhaust line 3 is a flexible hose, and a sampling detection line 31 and a purge line 33 branch off from the exhaust line 3. The sampling detection pipeline 31 is used for matching with a gas detection instrument to detect components of the conveyed gas, a second valve 32 which can be independently controlled is arranged on the sampling detection pipeline 31, and the second valve 32 is used for controlling the on/off state of the sampling detection pipeline 31. The purification pipeline 33 is used for communicating the impurity filter 1 and the adsorption purifier 4 into an upstream and downstream matching relationship, and the exhaust end of the purification pipeline 33 is hermetically connected to the air inlet port of the adsorption purifier 4; an independently controllable valve three 34 is provided on the purge line 33, and the valve three 34 serves to control the on/off state of the purge line 33.

The adsorption purifier 4 is provided with a second shell 41 capable of forming a sealed cavity, of course, the second shell 41 is connected with a cover plate and the like capable of being communicated with the cavity through a detachable sealing combination structure, otherwise, the structure in the second shell 41 cannot be maintained at a later stage. An air inlet port is formed at one end of the second shell 41, an air outlet port is formed at the opposite end, a plurality of baffle plates 42 are arranged between the air inlet port and the air outlet port in the accommodating cavity of the second shell 41 at intervals in a way of staggering flow channels in the vertical direction (or in the left and right directions) in a crossed manner, for example, more than two first baffle plates at the air inlet port are fixed on the top surface and the lower end of the second shell and keep intervals with the bottom surface of the second shell, the second baffle plates are fixed on the bottom surface and the upper end of the second shell and keep intervals with the top surface of the second shell, the second baffle plates shield the first baffle plates in the projection direction, the first baffle plates also shield the keeping intervals of the second baffle plates in the projection direction, and the other baffle plates are the same, so that baffle plates with a return baffle structure are formed between the second shell 41 and the corresponding baffle plates 42 and between the adjacent baffle plates 42, The gas flow path of the stroke can be significantly increased. The adsorption purifier 4 further has an activated carbon filler 43, and the activated carbon filler 43 is arranged along the whole gas flow passage in the second housing 41 and fills the whole gas flow passage in the second housing 41.

The exhaust port of the adsorption purifier 4 is hermetically connected with a vent line 5. The vent line 5 is a flexible hose having a flexible structure, the vent line 5 is used for discharging the gas purified by the adsorption purifier 4 to the atmosphere or a specific gas treatment environment, an independently controllable valve four 51 is provided on the vent line 5, and the valve four 51 is used for controlling the on/off state of the vent line 5.

Above-mentioned each pipeline adopts flexible hose structure, is favorable to the utility model discloses overall structure carries out the compactification and arranges, nimble adjustment respective relative position when also being favorable to the operation still is favorable to removing.

Example 2

The utility model discloses an impurity filter and absorption clarifier.

The impurity filter is provided with a first shell capable of forming a sealed cavity, certainly, the first shell is connected with a cover plate and the like capable of being communicated with the cavity through a detachable sealing combination structure, otherwise, the structure in the first shell cannot be maintained in the later period; one end of the first shell is provided with an air inlet port, and the other end of the first shell is provided with an exhaust port. The impurity filter is also provided with silica gel filler which is distributed in the whole containing cavity of the first shell.

The air inlet port of the impurity filter is hermetically connected with an air bleed line. The air bleed line is a flexible hose, and the air inlet end of the air bleed line is used for connecting with an exhaust point on the device flow path, namely an exhaust port (or a sampling exhaust port). In addition, a first valve capable of being independently controlled is arranged on the bleed air pipeline, and the first valve is used for controlling the on/off state of the bleed air pipeline.

The exhaust port of the impurity filter is hermetically connected with an exhaust line. The exhaust pipeline is a flexible hose with a flexible structure, and a sampling detection pipeline and a purification pipeline are led out from the exhaust pipeline in a branching manner. The sampling detection pipeline is used for matching with a gas detection instrument to detect components of the conveyed gas, and a second valve which can be independently controlled is arranged on the sampling detection pipeline and is used for controlling the on/off state of the sampling detection pipeline. The purification pipeline is used for communicating the impurity filter and the adsorption purifier into an upstream and downstream matching relationship, and the exhaust end of the purification pipeline is hermetically connected to the air inlet port of the adsorption purifier; and a third valve which can be independently controlled is arranged on the purification pipeline and is used for controlling the on/off state of the purification pipeline.

The adsorption purifier is provided with a second shell capable of forming a sealed cavity, certainly, the second shell is connected with a cover plate and the like capable of being communicated with the cavity in a detachable sealing combination structure, otherwise, the structure in the second shell cannot be maintained in the later period; one end of the second shell is provided with an air inlet port, and the other end of the second shell is provided with an exhaust port. The adsorption purifier is also provided with activated carbon fillers which are distributed in the whole accommodating cavity of the second shell.

The exhaust port of the adsorption purifier is hermetically connected with a vent pipeline. The emptying pipeline is a flexible hose with a flexible structure, the emptying pipeline is used for discharging the gas purified by the adsorption purifier to the atmospheric environment or a specific gas treatment environment, a valve IV capable of being independently controlled is arranged on the emptying pipeline, and the valve IV is used for controlling the on/off state of the emptying pipeline.

Example 3

The utility model discloses an impurity filter.

The impurity filter has a first shell capable of forming a sealed cavity, certainly, the first shell is connected with a cover plate and the like capable of leading into the cavity in a detachable sealing combination structure, otherwise, the structure in the first shell cannot be maintained in the later period. One end of the first shell is provided with an air inlet port, the other opposite end of the first shell is provided with an air outlet port, a plurality of first baffle plates are arranged between the air inlet port and the air outlet port in the first cavity of the shell at intervals in a way of staggering flow passages in the vertical direction (or the left direction and the right direction) in a crossed way, for example, more than one first baffle plate at the air inlet port is fixed on the top surface and the lower end of the first shell and keeps a distance with the bottom surface of the first shell, the lower end of the first baffle plate is fixed on the bottom surface and the upper end of the first shell and keeps a distance with the top surface of the first shell, the first baffle plate shields the keeping distance of the first baffle plate in the projection direction, the first baffle plate also shields the keeping distance of the second baffle plate in the projection direction, and the other baffle plates form a baffle plate which winds around the baffle structure between the first shell, The gas flow path of the stroke can be significantly increased. The impurity filter is also provided with silica gel filler, and the silica gel filler is distributed along the whole gas flow passage in the first shell and fills the whole gas flow passage in the first shell.

The exhaust port of the impurity filter is hermetically connected with a sampling detection pipeline. The sampling detection pipeline is a flexible hose with a flexible structure, the sampling detection pipeline is used for being matched with a gas detection instrument to detect components of conveyed gas, a second valve capable of being independently controlled is arranged on the sampling detection pipeline, and the second valve is used for controlling the on/off state of the sampling detection pipeline.

The above examples are only for illustrating the present invention and are not to be construed as limiting the same. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: it can still modify the concrete technical solutions in the above embodiments, or equally replace some technical features, for example, each pipeline adopts a hard pipe structure, and for example, the exhaust ports of the impurity filter form two mutually independent pipelines, one is used for sealing and connecting the sampling detection pipeline with the independent control valve, and the other is used for sealing and connecting the purification pipeline with the independent control valve; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.

Claims

1. The utility model provides a gaseous sample processing apparatus in device flow which characterized in that: the gas sampling and processing device comprises an impurity filter (1) which is mainly composed of a first shell (11) and silica gel filler (13) arranged in the first shell (11), wherein an air inlet port of the impurity filter (1) is connected with an air introducing pipeline (2) which can be connected with an exhaust point on the device flow, and an exhaust port of the impurity filter (1) is connected with a sampling detection pipeline (31).

2. The apparatus of claim 1, wherein the apparatus further comprises: a plurality of baffle plates I (12) are arranged in the accommodating cavity of the impurity filter (1) at intervals in a cross staggered flow channel mode between the air inlet port and the air outlet port, air introduced from the air inlet port is baffled and controlled by the baffle plates I (12) and then discharged from the air outlet port, and the silica gel filler (13) is arranged in the whole air flow channel formed between the shell I (11) and the baffle plates I (12) and between the adjacent baffle plates I (12).

3. The apparatus of claim 1, wherein the apparatus further comprises: and a first valve (21) is arranged on the bleed air pipeline (2).

4. The apparatus of claim 1, wherein the apparatus further comprises: and a second valve (32) is arranged on the sampling detection pipeline (31).

5. The apparatus of claim 1, wherein the apparatus further comprises: the exhaust port of impurity filter (1) is connected with adsorption purifier (4) through purifying pipeline (33), adsorption purifier (4) mainly by casing two (41) with arrange in active carbon filler (43) in casing two (41) are constituteed, adsorption purifier (4) are last to have the exhaust port.

6. The apparatus of claim 5, wherein the apparatus further comprises: a plurality of baffle plates II (42) are arranged in the cavity of the adsorption purifier (4) at intervals in a cross staggered flow channel mode between the air inlet port and the air outlet port, the gas introduced from the air inlet port is baffled and controlled by the baffle plates II (42) and then discharged from the air outlet port, and the activated carbon filler (43) is arranged in the whole gas flow channel formed between the shell II (41) and the baffle plates II (42) and between the adjacent baffle plates II (42).

7. The apparatus for sampling and processing gas in the process flow of the apparatus according to claim 5 or 6, wherein: and an exhaust port of the adsorption purifier (4) is connected with an emptying pipeline (5).

8. The apparatus for sampling and processing gas in the process flow of claim 7, wherein: and a valve IV (51) is arranged on the emptying pipeline (5).

9. The apparatus of claim 5, wherein the apparatus further comprises: and a third valve (34) is arranged on the purification pipeline (33).

10. The apparatus for sampling and processing gas in the process flow of the apparatus according to claim 1 or 5, wherein: an exhaust port of the impurity filter (1) is connected with an exhaust line (3) which can be branched to form a sampling detection line (31) and a purification line (33).