CN214150063U

CN214150063U - Gaseous pollutant rapid sampling gun

Info

Publication number: CN214150063U
Application number: CN202022772095.2U
Authority: CN
Inventors: 李峰
Original assignee: Anhui Haifeng Analysis And Testing Technology Co ltd
Current assignee: Anhui Haifeng Analysis And Testing Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-07
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a gaseous pollutant quick sampling rifle, its characterized in that: the outer side of the middle part of the sampling tube is fixed with an electric heating plate, the outer side of the lower part of the sampling tube is fixed with a cooling jacket, a plurality of groups of heat conducting rods are fixed on the inner wall of the sampling tube, an upper flange is fixed on the outer side of the upper end of the sampling tube, the upper flange is tightly connected with a pressing plate through bolts, an air outlet pipe is fixed at the center of the pressing plate, an upper positioning sleeve is fixed at the center of the lower end of the pressing plate, a horizontal supporting plate is fixed in an inner cavity of the upper part of the sampling tube, a plurality of groups of air holes are formed in the lateral part of the supporting plate, a lower positioning sleeve is fixed at the center of the supporting plate, the upper end and the lower end of the filter tube are respectively inserted into the upper positioning sleeve and the lower positioning sleeve, the air outlet pipe is communicated with the inner cavity of the filter tube, the lower end of the sampling tube is connected with a connecting pipe, and a lower flange is fixed on the outer side of the middle part of the connecting pipe. The utility model discloses a set up the filter tube and realize the filtration to dust in the waste gas, avoid the dust to cause the jam to air pump and pipeline.

Description

Gaseous pollutant rapid sampling gun

Technical Field

The utility model belongs to the technical field of the sampler, concretely relates to gaseous pollutant quick sampling rifle.

Background

Industrial waste gas is a generic term for various pollutant-containing gases discharged into the air during the combustion and production processes of fuels in the factory area of an enterprise. These exhaust gases are: carbon dioxide, carbon disulfide, hydrogen sulfide, fluorides, nitrogen oxides, chlorine, beryllium compounds, smoke, heavy metals, dioxin, and productive dust, which are discharged into the atmosphere, can pollute the air. The substances enter human bodies through different paths of respiratory tracts, some substances directly cause harm, some substances also have an accumulation effect and can seriously harm the health of people, so the waste gas needs to be sampled and analyzed.

In the waste gas sampling process, in order to ensure the accuracy of sampling data, the air flow of a sampling hole of the exhaust funnel needs to be ensured not to leak as much as possible, a sampling port is frequently plugged by a towel during sampling, but the effect is poor, and the collected waste gas can often leak into the air to cause secondary pollution. Meanwhile, dust of the waste gas can block the air pump and the auxiliary pipelines, and the operation stability of the analysis device is affected. The waste gas often has vapor, if the waste gas temperature is lower in the sampling process, the vapor in the waste gas can be condensed into liquid, and the air pump and the auxiliary pipeline can be blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a gaseous pollutant fast sampling rifle.

The utility model provides a gaseous pollutant quick sampling rifle, includes sampling tube, filter tube, its characterized in that: the sampling device comprises a sampling tube, an electric heating plate, a cooling jacket, an upper flange, a pressing plate, a lower positioning sleeve, a filter tube, a connecting pipe and a lower flange, wherein the electric heating plate is fixed on the outer side of the middle part of the sampling tube, the cooling jacket is fixed on the outer side of the lower part of the sampling tube, a plurality of groups of heat conducting rods are fixed on the inner wall of the sampling tube, the upper flange is fixed on the outer side of the upper end of the sampling tube, the upper flange is tightly connected with the pressing plate through bolts, the outlet tube is fixed at the center of the lower end of the pressing plate, the horizontal supporting plate is fixed in the inner cavity of the upper part of the sampling tube, a plurality of groups of vent holes are formed in the lateral part of the supporting plate, the lower positioning sleeve is fixed at the center of the supporting plate, the upper end and the lower end of the filter tube are respectively inserted into the upper positioning sleeve and the lower positioning sleeve, the outlet tube is communicated with the inner cavity of the filter tube, the lower end of the sampling tube is connected with the connecting pipe, and the lower flange is fixed on the outer side of the middle part of the connecting pipe.

Preferably, an upper sealing ring is arranged between the upper end of the filter tube and the pressure plate.

Preferably, a lower sealing ring is arranged between the lower end of the filter tube and the supporting plate.

Preferably, a water inlet pipe is fixed on the side of the lower end of the cooling jacket, and a water outlet pipe is fixed on the side of the upper end of the cooling jacket.

Compared with the prior art, the beneficial effects of the utility model are that:

when the utility model is used, the lower flange is connected with the connecting pipe on the flue, the outlet pipe is connected with the air pump for air extraction, the lower part of the connecting pipe is inserted into the flue, before sampling, the electric heating plate is heated to preheat the inner cavity of the sampling pipe, so that the temperature of the inner cavity of the sampling pipe is improved, the vapor condensation in the waste gas during sampling is avoided, the blockage of the rear air pump and the filter pipe is caused, after the sampling is carried out for a period of time, the electric heating plate is selected to be opened or cooling water is introduced into the cooling jacket according to the temperature of the smoke gas in the flue, the moderate temperature of the waste gas is ensured, the vapor condensation is avoided, meanwhile, the temperature is not too high to exceed the working temperature of the air pump and the accessory facilities, the heat conducting rod plays a role in strengthening heat exchange, the heat exchange efficiency can be effectively improved, the dust in the waste gas is filtered by penetrating through the filter pipe under the suction effect of the air pump of the waste gas, the filtered waste gas is discharged from the outlet pipe, and the waste gas enters an air pump and subsequent facilities to realize the sampling of the waste gas. The utility model realizes the filtration of dust in the waste gas by arranging the filter tube, and avoids the dust from blocking the air pump and the pipeline, thereby greatly improving the stability of the operation of the follow-up device; the temperature of the waste gas is regulated by arranging the electric heating plate and the cooling jacket, so that the running stability of a subsequent device can be further improved; the pressure plate is of a detachable structure, so that the filter tube can be quickly replaced, and the filter tube has the advantage of convenience in use; the lower flange is connected with the reserved flange on the flue, so that the environmental pollution caused by the leakage of waste gas during sampling is avoided.

Drawings

Fig. 1 is the utility model relates to a structural schematic diagram of gaseous pollutant rapid sampling rifle.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, the device comprises a gas outlet pipe 1, a gas outlet pipe 2, a pressure plate 3, an upper flange 4, a filter pipe 5, a supporting plate 6, an electric heating plate 7, a heat conducting rod 8, a sampling pipe 9, a cooling jacket 10, a water outlet pipe 11, a connecting pipe 12, a lower flange 13, an upper sealing ring 14, an upper positioning sleeve 15, a lower positioning sleeve 16, a lower sealing ring 17 and a water inlet pipe.

Detailed Description

Referring to fig. 1 and 2, a gaseous pollutant rapid sampling gun, includes a sampling tube 8 and a filter tube 4, and is characterized in that: an electric heating plate 6 is fixed on the outer side of the middle part of the sampling tube 8, a cooling jacket 9 is fixed on the outer side of the lower part of the sampling tube 8, a plurality of groups of heat conducting rods 7 are fixed on the inner wall of the sampling tube 8, an upper flange 3 is fixed on the outer side of the upper end of the sampling tube 8, the upper flange 3 is tightly connected with the pressure plate 2 through bolts, an air outlet pipe 1 is fixed at the center of the pressure plate 2, an upper positioning sleeve 14 is fixed at the center of the lower end of the pressure plate 2, a supporting plate 5 in the horizontal direction is fixed in the inner cavity of the upper part of the sampling tube 8, a plurality of groups of vent holes are arranged at the side part of the supporting plate 5, a lower positioning sleeve 15 is fixed at the center of the supporting plate 5, the upper end and the lower end of the filter tube 4 are respectively inserted into an upper positioning sleeve 14 and a lower positioning sleeve 15, the air outlet tube 1 is communicated with the inner cavity of the filter tube 4, the lower end of the sampling tube 8 is connected with a connecting tube 11, and a lower flange 12 is fixed on the outer side of the middle part of the connecting tube 11.

An upper sealing ring 13 is arranged between the upper end of the filter tube 4 and the pressure plate 2.

And a lower sealing ring 16 is arranged between the lower end of the filter tube 4 and the supporting plate 5.

A water inlet pipe 17 is fixed on the side of the lower end of the cooling jacket 9, and a water outlet pipe 10 is fixed on the side of the upper end of the cooling jacket 9.

The utility model discloses a theory of operation is:

when the utility model is used, the lower flange 12 is connected with the connecting pipe on the flue, the outlet pipe 1 is connected with the air pump for pumping, the lower part of the connecting pipe 11 is inserted into the flue, before sampling, the electric heating plate 6 is heated, the inner cavity of the sampling pipe 8 is preheated, so that the temperature of the inner cavity of the sampling pipe 8 is improved, the water vapor condensation in the waste gas during sampling is avoided, the blockage of a rear air pump and a filter pipe 4 is caused, after the sampling is preheated for a period of time, the electric heating plate 6 is selectively opened or cooling water is introduced into the cooling jacket 9 according to the temperature of the smoke gas in the flue, the temperature of the waste gas is ensured to be moderate, the water vapor condensation is avoided, meanwhile, the temperature is not too high to exceed the working temperature of the air pump and the accessory facilities, the heat conducting rod 7 plays the role of strengthening heat exchange, the heat exchange efficiency can be effectively improved, the dust in the waste gas is filtered by penetrating the filter pipe 4 under the suction effect of the air pump of the waste gas, the filtered waste gas is discharged from the gas outlet pipe 1 and enters the air pump and subsequent facilities, so that the sampling of the waste gas is realized. The utility model realizes the filtration of dust in the waste gas by arranging the filter tube 4, and avoids the dust from blocking the air pump and the pipeline, thereby greatly improving the stability of the operation of the follow-up device; the temperature of the waste gas is regulated by arranging the electric heating plate 6 and the cooling jacket 9, so that the running stability of the subsequent device can be further improved; the pressure plate 2 is of a detachable structure, so that the filter tube 4 can be quickly replaced, and the advantage of convenient use is achieved; the lower flange 12 is connected with a reserved flange on the flue, so that the environmental pollution caused by the leakage of waste gas during sampling is avoided.

The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.

Claims

1. The utility model provides a gaseous pollutant fast sampling rifle, includes sampling tube (8), chimney filter (4), its characterized in that: an electric heating plate (6) is fixed on the outer side of the middle of the sampling tube (8), a cooling jacket (9) is fixed on the outer side of the lower portion of the sampling tube (8), a plurality of groups of heat conducting rods (7) are fixed on the inner wall of the sampling tube (8), an upper flange (3) is fixed on the outer side of the upper end of the sampling tube (8), the upper flange (3) is in compression connection with a pressing plate (2) through bolts, an air outlet pipe (1) is fixed at the center of the pressing plate (2), an upper positioning sleeve (14) is fixed at the center of the lower end of the pressing plate (2), a horizontal supporting plate (5) is fixed in an inner cavity of the upper portion of the sampling tube (8), a plurality of groups of vent holes are formed in the side portion of the supporting plate (5), a lower positioning sleeve (15) is fixed at the center of the supporting plate (5), and the upper end and the lower end of the filter tube (4) are respectively inserted into the upper positioning sleeve (14), In the lower locating sleeve (15), the air outlet pipe (1) is communicated with the inner cavity of the filter tube (4), the lower end of the sampling tube (8) is connected with the connecting pipe (11), and the outer side of the middle part of the connecting pipe (11) is fixed with a lower flange (12).

2. A gaseous pollutant rapid sampling gun as claimed in claim 1, wherein: an upper sealing ring (13) is arranged between the upper end of the filter tube (4) and the pressure plate (2).

3. A gaseous pollutant rapid sampling gun as claimed in claim 1, wherein: and a lower sealing ring (16) is arranged between the lower end of the filter tube (4) and the supporting plate (5).

4. A gaseous pollutant rapid sampling gun as claimed in claim 1, wherein: a water inlet pipe (17) is fixed on the side of the lower end of the cooling jacket (9), and a water outlet pipe (10) is fixed on the side of the upper end of the cooling jacket (9).