CN106526038B - Complete device for sampling raw gas component detection sample - Google Patents

Complete device for sampling raw gas component detection sample Download PDF

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Publication number
CN106526038B
CN106526038B CN201610954225.XA CN201610954225A CN106526038B CN 106526038 B CN106526038 B CN 106526038B CN 201610954225 A CN201610954225 A CN 201610954225A CN 106526038 B CN106526038 B CN 106526038B
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absorption
trapping
flowmeter
sampling
pipe
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CN106526038A (en
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江鑫
李晓炅
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Inner Mongolia Bao Gang United Steel Co ltd
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Inner Mongolia Bao Gang United Steel Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N30/06Preparation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2202Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/04Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a complete device for sampling a raw gas component detection sample, which comprises: the device comprises a connecting ball rod, a gas trapping well, a gas cooling pipe, a charging vacuum pump, an absorption bottle and a flowmeter, which are connected in sequence through a connecting sleeve; and the absorption bottle insulation box is arranged at the periphery of the absorption bottle, and the chemical absorption flowmeter protection box is arranged at the periphery of the flowmeter. The complete device can realize the accuracy of sampling, can enable the sampled sample to have enough representativeness, truly reflect the composition of the sample, and provide timely, accurate and reliable data for production; the safety of sampling is realized, and the life safety of sampling staff is fully ensured; convenient automation operation of sampling is realized, and the sampling tool is small and practical. The components can be freely combined according to the working requirement, so that the sampling flexibility is realized.

Description

Complete device for sampling raw gas component detection sample
Technical Field
The invention relates to the technical field of inspection and analysis, in particular to a complete device for sampling a raw gas component detection sample.
Background
In the field of coking production, the detection of gas components of raw coke oven gas is a detection of more special gas, and the reason is the specificity of the raw coke oven gas. Firstly, the temperature of the raw gas is higher, the temperature of the raw gas sprayed by the ammonia water of the gas collecting pipe is about 80 ℃, the temperature is higher, and the sampling in a normal state is difficult. Secondly, the raw gas has complex components and contains more tar components, the sampling device is easy to be blocked by the general sample collection, and larger detection errors are caused in the detection of the analysis sample (inaccurate observation of the titration end point when tar is mixed into the absorption liquid chemistry analysis detection). Thirdly, the pressure at the gas collecting tube is low, the normal production technical parameters are set to be about 130-150 Pa, and the sampling work can not be completed under the pressure state. Fourth, the raw gas at the gas collecting tube scattering port has great harm to human body, and the raw gas contains many strong cancerogenic polycyclic aromatic hydrocarbons, so that the raw gas is more leaked due to unsuitable sampling device. But the detection data of the raw gas sample components has very important guiding and practical significance for guaranteeing the safety, stability and smoothness of the production process. Because of the above-mentioned specificity of raw gas, there are many problems in the sampling process in the detection, but the sampling process is the initial link of the sample detection and analysis process and is also an important process of the detection process, which plays a key role in sample analysis, because the analysis process of the sample is accurate anyway and the inspection method is advanced anyway when the sample cannot be collected or the sample is not representative of the component to be detected, and the sampling is the basis and premise of the analysis and detection.
Currently, most enterprise sampling does not have special tools or equipment, and is mostly simple to manufacture. The requirements of sampling detection inspection and on-site production practice cannot be met, certain deviation is caused to the accuracy of detected data, and the safe and stable operation of production is influenced and restricted. The main expression is as follows:
1. the sampling is not representative. The representativeness of the sample is the soul and key of the detection, and when one sample does not have the representativeness of the detection, the detection process and the detection data are meaningless, and are waste of social resources. The existing sampling tool cannot go deep into an effective sample sampling area or the sampling tool is crude and cannot effectively sample, and the sampled sample is not representative for various reasons.
2. At present, a tool is adopted to adopt a general duplex ball aspiration extrusion mode, and air is easy to enter in the use process to cause inaccuracy of sampling.
3. The safety of sampling cannot be effectively ensured. The existing sampling tool can finish the sampling process only in a short distance when taking a sample, sometimes the harm of some gases is large, people are easy to poison or suffocate, and great potential safety hazards exist in sampling.
4. The existing sampling tool cannot realize automation, and is completely finished manually, so that the sampling tool is heavy and inconvenient to operate.
5. Outdoor sampling operation cannot be implemented in the north in winter, the winter in the north is cold, the coke oven sampling is generally outdoor, a plurality of detection projects adopt a chemical absorption method, absorption liquid of the coke oven sampling is easy to freeze in winter, sampling cannot be performed, the temperature of the absorption liquid is low even if the coke oven sampling is not frozen, the gas absorption effect is greatly reduced, and a large detection error is caused to detection data, so that detection is meaningless.
6. The current detection equipment needs outdoor electric operation, is inconvenient in a coke oven top operation area, and has great potential safety hazards.
Disclosure of Invention
In order to solve the technical problems, the invention provides a complete device for collecting a raw gas component detection sample.
The invention provides a raw gas component detection sample collection complete equipment, which comprises: the device comprises a connecting ball rod, a gas trapping well, a gas cooling pipe, a charging vacuum pump, an absorption bottle and a flowmeter, which are connected in sequence through a connecting sleeve; the absorption bottle insulation box is arranged at the periphery of the absorption bottle, and the chemical absorption flowmeter protection box is arranged at the periphery of the flowmeter;
the connecting club includes: a connecting rod provided with a first tar trapping lining pipe and a hollow sphere connected with the connecting rod; the hollow sphere is internally provided with a net-shaped tar trapping ball and absorbent cotton which is used for stabilizing the net-shaped tar trapping ball and is paved on the inner wall of the hollow sphere;
the gas trap includes: connecting pipe hoops positioned at two sides and a trapping sleeve positioned in the middle; the connecting pipe hoops on two sides are connected with a diameter-variable collecting sleeve through screw threads, and a second tar collecting liner pipe is placed in the collecting sleeve; the connecting rod is connected with a connecting pipe hoop;
the gas cooling tube includes: the two connecting short pipes, the spiral gas flow coil pipe and the cooling water pipe sleeve; the two short connecting pipes are welded at two ends of the variable-diameter spiral gas flow coil; the cooling water pipe sleeve is welded on the periphery of the two short connecting pipes; the middle position of the upper part of the cooling water pipe sleeve is threaded and connected with the opening; an ice-water mixture is arranged in the cooling water pipe sleeve;
one of the two connecting short pipes is connected with the other connecting pipe hoop of the gas trap, and the other connecting short pipe is connected with the inlet of the charging vacuum pump;
the side surfaces of the absorption bottle heat preservation box and the chemical absorption flowmeter protection box are provided with gas inlet holes; the vacuum pump outlet is sequentially connected with the absorption bottle and the flowmeter through the gas inlet hole; the absorption bottle is used for containing different absorption liquids;
the first tar trapping lining pipe, the net-shaped tar trapping balls, the absorbent cotton and the second tar trapping lining pipe are all dried in advance to constant weight and weighed.
Further, a baffle support is arranged at the lower side of the inner part of the connecting rod, and a fixing pin is arranged at the upper side of the inner part of the connecting rod; the first tar trapping liner tube is positioned between the baffle support and the fixing pin.
Further, the hollow sphere is formed by assembling two half flange structures, and 8-12 bolt openings are uniformly distributed on the extending edge of each half flange structure; the two half flange structures are connected through bolts.
Further, the absorption bottle incubator and/or the chemical absorption flowmeter protection box comprises: a box body and a temperature control mechanism;
the box includes: the fire-retardant asbestos is arranged between the inner box body and the outer box body; the left side surface of the box body is provided with the gas inlet hole; the front side surface of the box body is provided with a heat preservation door;
the temperature control mechanism comprises:
the resistance wire is coiled on the rear side surface of the inner box body;
the electric appliance adjusting controller is arranged on the right side surface of the box body and is connected with the resistance wire;
and the lithium rechargeable battery is connected with the electric appliance adjusting controller.
Further, the rear side surface of the inner box body is also provided with an insulating heat-resistant protection plate, and the resistance wire is arranged on the insulating heat-resistant protection plate; the heat-insulating door is an explosion-proof transparent glass heat-insulating door.
Further, the device also comprises a flowmeter and an absorption protection bottle thereof, wherein the flowmeter is arranged in the absorption flowmeter protection box, and the absorption protection bottle is connected between the absorption bottle and the flowmeter; the absorption protection bottle is used for containing different absorption protection liquids.
Further, the tar trapping balls are formed by interlacing net-shaped strip-shaped glass sintering trapping sheets and then bonding the glass sintering trapping sheets at a high temperature.
Further, the first tar trapping liner tube and/or the second tar trapping liner tube comprises:
the upper part of the round hard glass tube is provided with a fixed jack;
four rows of sintered short rod assemblies which are uniformly arranged along the circumferential direction of the inner wall of the round hard glass tube; each row of sintering short rod assemblies is provided with a plurality of sintering short rods along the axial direction of the inner wall of the round hard glass tube; each sintering short rod is obliquely arranged at an angle of 30-40 degrees with the inner wall of the round hard glass tube.
Further, in the connecting rod, the diameter of the upper part of the connecting rod connected with the lower half part of the hollow sphere is gradually increased.
Further, the outer diameter of the first tar trapping lining pipe is 1-1.5 mm different from the inner diameter of the connecting rod; the outer diameter of the second tar trapping lining pipe is 1-1.5 mm different from the inner diameter of the trapping sleeve pipe; the inner diameter of the cooling water pipe sleeve is twice the outer diameter of the short connecting pipe.
The invention provides a complete device for detecting and sampling components of raw gas, which is formed by connecting and combining a plurality of single devices. The device can realize the accuracy of sampling, the sampled sample has enough representativeness, the composition components of the sample are truly reflected, and timely, accurate and reliable data are provided for production; the safety of sampling is realized, and the life safety of sampling staff is fully ensured; convenient automation operation of sampling is realized, and the sampling tool is small and practical. The components can be freely combined according to the working requirement, so that the sampling flexibility is realized.
Drawings
FIG. 1 is a schematic view of a structure of a connecting rod in a raw gas component detection sample collection kit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a gas trap in a complete set of gas component detection samples provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a gas cooling pipe in a complete set of equipment for taking a raw gas component detection sample according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an incubator of an absorption bottle in a complete device for taking a raw gas component detection sample according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a first tar trapping liner tube in a raw gas component detection sample collection kit according to an embodiment of the present invention.
Reference numerals illustrate:
11-connecting rods; 12-gear support; 13-a first tar trapping liner tube; 14-fixing pins; 15-hollow spheres; 16-bolt ports; 17-absorbent cotton; 18-tar trapping balls;
21-connecting a pipe clamp; 22-trapping the sleeve; 23-screwing threads; 24-a second tar trapping liner tube;
31-connecting short pipe; 32-cooling water pipe sleeve; 33-screwing threads; 34-opening; 35-ice water mixture; 36-gas flow coil;
41-a round hard glass tube; 42-sintering the short rod; 43-fixed jack;
51-an outer case; 52-an inner box; 53-gas inlet aperture; 54-flame retardant asbestos; 55-resistance wire; 56-appliance regulator controller.
Detailed Description
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
In a specific embodiment, the invention provides a raw gas component detection sample collection kit, and please refer to fig. 1 to 5, which illustrate schematic structural diagrams of the raw gas component detection sample collection kit provided by the embodiment of the invention.
The raw gas component detection sample collection complete equipment provided by the embodiment of the invention comprises:
the device comprises a connecting ball rod, a gas trapping well, a gas cooling pipe, a charging vacuum pump, an absorption bottle and a flowmeter, which are connected in sequence through a connecting sleeve; the absorption bottle insulation box is arranged at the periphery of the absorption bottle, and the chemical absorption flowmeter protection box is arranged at the periphery of the flowmeter;
referring to fig. 1, the connecting club includes: a connecting rod 11 provided with a first tar trapping liner tube 13 and a hollow sphere 15 connected with the connecting rod 11; the hollow sphere 15 is internally provided with a net-shaped tar trapping ball 18 and absorbent cotton 17 which is used for stabilizing the net-shaped tar trapping ball and is laid on the inner wall of the hollow sphere 15;
referring to fig. 2, the gas trap includes: a connection pipe ferrule 21 at both sides and a trapping sleeve 22 at the middle; the connecting pipe hoops 21 on two sides are connected with the diameter-variable collecting sleeve 22 through screw threads 23, and a second tar collecting liner pipe 24 is placed in the collecting sleeve 22; the connecting rod 11 is connected with a connecting pipe hoop 21;
referring to fig. 3, the gas cooling tube includes: two junction pipes 31, a spiral gas flow coil 36 and a cooling water pipe sleeve 32; two junction pipes 31 are welded to both ends of the variable diameter spiral gas flow coil 36; the cooling water pipe sleeve 32 is welded on the periphery of the two short connecting pipes 31; the middle position of the upper part of the cooling water pipe sleeve 32 is connected with an opening 34 through a threaded screw 33; an ice-water mixture 35 is arranged in the cooling water pipe sleeve 32;
one of the two connecting short pipes 31 is connected with the other connecting pipe hoop 21 of the gas trap, and the other connecting short pipe 31 is connected with the inlet of the charging vacuum pump;
the side surfaces of the absorption bottle heat preservation box and the chemical absorption flowmeter protection box are provided with gas inlet holes 53; the vacuum pump outlet is sequentially connected with the absorption bottle and the flowmeter through the gas inlet hole 53; the absorption bottle is used for containing different absorption liquids; different absorption liquids are used for respectively detecting the content of hydrogen sulfide, ammonia, naphthalene and other contents in raw gas, and the like, and can be selected by a person skilled in the art according to specific detection objects.
The first tar-trapping lining pipe 13, the net-shaped tar-trapping balls 18, the absorbent cotton 17, and the second tar-trapping lining pipe 24 have all been previously dried to a constant weight and weighed.
The gas trap can be connected in series in multiple stages according to the properties of raw gas.
Preferably, the hollow sphere 15 is formed by assembling two half flange structures, and 8-12 bolt openings 16 are uniformly distributed on the extension edge of each half flange structure; the two half flange structures are connected through bolts. During sampling, the sealing rubber rings of the two hemispherical flanges are tightly connected and then screwed and fixed by bolts.
Preferably, a baffle 12 is arranged at the lower side of the inner part of the connecting rod 11, and a fixing pin 14 is arranged at the upper side of the inner part of the connecting rod 11; the first tar trapping liner tube 13 is defined between the retainer 12 and the fixing pin 14. Further, in the connecting rod, the diameter of the upper part of the connecting rod 11 connected with the lower half part of the hollow sphere 15 is gradually increased, so that the connecting rod can be tightly connected with the raw coke oven gas diffusing port.
Referring to fig. 4, as a preferred embodiment of the present invention, the absorption bottle warmer and/or chemical absorption flowmeter protector comprises: a box body and a temperature control mechanism;
the box includes: an inner case 52, an outer case 51, and flame retardant asbestos 54 provided between the inner case 52 and the outer case 51; the left side surface of the box body is provided with the gas inlet hole 53; the front side surface of the box body is provided with a heat preservation door;
the temperature control mechanism comprises:
a resistance wire 55 wound around the rear side of the inner case 52;
an electric appliance adjusting controller 56 arranged on the right side surface of the box body, wherein the electric appliance adjusting controller 56 is connected with a resistance wire 55;
a lithium rechargeable battery connected to the appliance regulator controller 56.
Further, an insulating heat-resistant protection board is further provided on the rear side of the inner case 52, and the resistance wire 55 is provided on the insulating heat-resistant protection board.
Further, the heat-insulating door is an explosion-proof transparent glass heat-insulating door. The structure facilitates observation in the sample taking process.
The box body of the absorption bottle insulation box and the chemical absorption flowmeter protection box can be used for placing different absorption bottles and flowmeters according to detection items so as to design rectangular box bodies with different size requirements. The structure of the absorption bottle incubator and the chemical absorption flowmeter protection box can be the same.
Preferably, the tar trapping balls 18 are formed by high-temperature bonding after the mesh strip-shaped glass sintering trapping sheets are staggered.
Further, referring to fig. 5, the first tar trapping liner tube 13 and/or the second tar trapping liner tube 24 includes:
a circular hard glass tube 41, the upper part of which is provided with a fixed insertion hole 43;
four rows of sintered short rod assemblies uniformly arranged along the circumferential direction of the inner wall of the circular hard glass tube 41; each row of the sintered short rod 42 assemblies is provided with a plurality of sintered short rods 42 along the axial direction of the inner wall of the round hard glass tube 41; each sintered stub 42 is inclined at an angle of 30 to 40 degrees to the inner wall of the circular hard glass tube 41.
Preferably, the outer diameter of the first tar trapping lining tube 13 is 1-1.5 mm different from the inner diameter of the connecting rod 11; the outer diameter of the second tar trapping liner 24 is 1-1.5 mm different from the inner diameter of the trapping sleeve 22; thereby allowing for a compact contact between the two. The inner diameter of the cooling water jacket 32 is furthermore preferably twice the outer diameter of the junction 31.
Further, the raw gas component detection sample collection kit preferably further comprises an absorption protection bottle arranged in the absorption flowmeter protection box, and the absorption protection bottle is connected between the absorption bottle and the flowmeter; the absorption protection bottle is used for containing different absorption protection liquids. Different absorption protection liquids are used for protecting the flowmeter, so that the gas metering deviation caused by corrosion of the flowmeter by partial components of the raw gas is avoided.
By adopting the complete device for detecting and sampling the components of the raw gas, the readings, the temperature and the pressure of the flowmeter are read after the sampling process is connected, and the benzene content and the benzene composition are detected by using a gas chromatograph by using a gas sampling bag at the outlet of the vacuum pump. And after the sampling is finished, returning to a laboratory, namely, putting the first tar trapping lining pipe 13 accurately weighed in the connecting rod 11, putting the net-shaped tar trapping balls 18 accurately weighed in the hollow spheres 15, absorbent cotton 17 and the second tar trapping lining pipe 24 accurately weighed in the gas trapping trap trapping sleeve 22, processing and weighing according to a detection method, calculating the tar content, dissolving part of tar by using an organic solvent, and detecting the composition by using gas chromatography. The absorption bottles which are connected with the absorption bottle heat preservation box and contain different absorption liquids are treated according to a detection method, and the contents of components such as hydrogen sulfide, ammonia, naphthalene and the like in the raw gas are respectively detected.
The invention provides a complete device for detecting and sampling components of raw gas, which is formed by connecting and combining a plurality of single devices. The device can realize the accuracy of sampling, the sampled sample has enough representativeness to truly reflect the composition of the sample, and timely, accurate and reliable data are provided for production; the safety of sampling is realized, and the life safety of sampling staff is fully ensured; convenient automation operation of sampling is realized, and the sampling tool is small and practical. The components can be freely combined according to the working requirement, so that the sampling flexibility is realized.
The complete set of the device for detecting the components of the raw gas is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

Claims (7)

1. A raw gas component detection sample collection kit, comprising: the device comprises a connecting ball rod, a gas trapping well, a gas cooling pipe, a charging vacuum pump, an absorption bottle and a flowmeter, which are connected in sequence through a connecting sleeve; the absorption bottle insulation box is arranged at the periphery of the absorption bottle, and the chemical absorption flowmeter protection box is arranged at the periphery of the flowmeter;
the connecting club includes: a connecting rod provided with a first tar trapping lining pipe and a hollow sphere connected with the connecting rod; the hollow sphere is internally provided with a net-shaped tar trapping ball and absorbent cotton which is used for stabilizing the net-shaped tar trapping ball and is paved on the inner wall of the hollow sphere; the lower side of the inner part of the connecting rod is provided with a baffle bracket, and the upper side of the inner part of the connecting rod is provided with a fixing pin; the first tar trapping lining pipe is limited between the baffle bracket and the fixing pin; in the connecting rod, the diameter of the upper part of the connecting rod connected with the lower half part of the hollow sphere is gradually increased;
the gas trap includes: connecting pipe hoops positioned at two sides and a trapping sleeve positioned in the middle; the connecting pipe hoops on two sides are connected with a diameter-variable collecting sleeve through screw threads, and a second tar collecting liner pipe is placed in the collecting sleeve; the connecting rod is connected with a connecting pipe hoop;
the gas cooling tube includes: the two connecting short pipes, the spiral gas flow coil pipe and the cooling water pipe sleeve; the two short connecting pipes are welded at two ends of the variable-diameter spiral gas flow coil; the cooling water pipe sleeve is welded on the periphery of the two short connecting pipes; the middle position of the upper part of the cooling water pipe sleeve is threaded and connected with the opening; an ice-water mixture is arranged in the cooling water pipe sleeve;
one of the two connecting short pipes is connected with the other connecting pipe hoop of the gas trap, and the other connecting short pipe is connected with the inlet of the charging vacuum pump;
the side surfaces of the absorption bottle heat preservation box and the chemical absorption flowmeter protection box are provided with gas inlet holes; the vacuum pump outlet is sequentially connected with the absorption bottle and the flowmeter through the gas inlet hole; the absorption bottle is used for containing different absorption liquids;
the first tar trapping lining pipe, the net-shaped tar trapping balls, the absorbent cotton and the second tar trapping lining pipe are dried in advance to constant weight and weighed;
the first tar trapping liner tube and/or the second tar trapping liner tube comprises:
the upper part of the round hard glass tube is provided with a fixed jack;
four rows of sintered short rod assemblies which are uniformly arranged along the circumferential direction of the inner wall of the round hard glass tube; each row of sintering short rod assemblies is provided with a plurality of sintering short rods along the axial direction of the inner wall of the round hard glass tube; each sintering short rod is obliquely arranged at an angle of 30-40 degrees with the inner wall of the round hard glass tube.
2. The raw gas component detection sample collection complete set according to claim 1, wherein the hollow sphere is formed by assembling two half-flange structures, and 8-12 bolt openings are uniformly distributed on the extension edge of each half-flange structure; the two half flange structures are connected through bolts.
3. The raw gas component detection sample collection kit according to claim 1, wherein the absorption bottle incubator and/or the chemical absorption flowmeter protection box comprises: a box body and a temperature control mechanism;
the box includes: the fire-retardant asbestos is arranged between the inner box body and the outer box body; the left side surface of the box body is provided with the gas inlet hole; the front side surface of the box body is provided with a heat preservation door;
the temperature control mechanism comprises:
the resistance wire is coiled on the rear side surface of the inner box body;
the electric appliance adjusting controller is arranged on the right side surface of the box body and is connected with the resistance wire;
and the lithium rechargeable battery is connected with the electric appliance adjusting controller.
4. The raw gas component detection sample collection kit according to claim 3, wherein an insulating heat-resistant protection plate is further provided on the rear side surface of the inner case, and the resistance wire is provided on the insulating heat-resistant protection plate; the heat-insulating door is an explosion-proof transparent glass heat-insulating door.
5. The raw gas component detection sample collection kit according to claim 1, further comprising a flowmeter and an absorption protection bottle thereof disposed in the absorption flowmeter protection box, wherein the absorption protection bottle is connected between the absorption bottle and the flowmeter; the absorption protection bottle is used for containing different absorption protection liquids.
6. The raw gas component detection sample collection kit according to claim 1, wherein the tar trapping balls are formed by interlacing mesh-shaped strip-shaped glass sintered trapping sheets and then bonding the glass sintered trapping sheets at a high temperature.
7. The raw gas component detection sample collection kit according to claim 1, wherein the outer diameter of the first tar trapping liner tube is 1 to 1.5mm different from the inner diameter of the connecting rod; the outer diameter of the second tar trapping lining pipe is 1-1.5 mm different from the inner diameter of the trapping sleeve pipe; the inner diameter of the cooling water pipe sleeve is twice the outer diameter of the short connecting pipe.
CN201610954225.XA 2016-11-03 2016-11-03 Complete device for sampling raw gas component detection sample Active CN106526038B (en)

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