CN218271574U

CN218271574U - High-temperature sampling device

Info

Publication number: CN218271574U
Application number: CN202221830735.3U
Authority: CN
Inventors: 梅超; 徐晓莎; 张伟
Original assignee: Hubei Lingchuang Environmental Protection Co Ltd
Current assignee: Hubei Lingchuang Environmental Protection Co Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-10
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a high temperature sampling device, including the flue, the gas production mouth has been preset to the right-hand member of flue, the filter screen is installed on the inner wall of flue in the left side of gas production mouth, the right side of gas production mouth is connected with the gas production pipe through flange, the bottom of gas production pipe is connected with the built-in cooling tube of cooler bin, the cooler bin embeds there is the cooling water chamber, be connected with the recoil pipe on the gas production pipe, the upper end of recoil pipe is connected with the air pump, be equipped with first automatically controlled valve on the recoil pipe, the gas production pipe is equipped with second automatically controlled valve at the right-hand member of recoil pipe, and this device has been equipped with cooling device at the rear end of gas production pipe, after the flue gas is taken, can carry out cooling treatment to the high temperature flue gas, has guaranteed the life of back stage gas detector, and after using a period, air pump work simultaneously is discharged gas in to the filter screen through the gas production pipe, carries out the cleaning operation to the filter screen, has guaranteed holistic sampling effect.

Description

High-temperature sampling device

Technical Field

The utility model belongs to the technical field of the high temperature flue gas sampling, specifically be a high temperature sampling device.

Background

In the industrial production process, can produce high temperature flue gas, these high temperature flue gases pass through the flue and discharge, for environmental protection and to the needs of the process control in the industrial production process, will sample the high temperature flue gas, carry out the analysis to it, further control industrial production process, can be equipped with the sample connection in one side of flue at present.

At present, at the in-process of sampling, prevent that large granule smoke and dust from blockking up the sampling pipeline, can be furnished with the filter screen, but after long-time the use, the smoke and dust can be piled up on the filter screen, influences the sampling in later stage, and flue gas bulk temperature is too high simultaneously, causes the damage to subsequent check out test set easily, for solving above problem, has provided a high temperature sampling device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned proposed problems, a high temperature sampling device is provided.

The utility model adopts the technical scheme as follows: a high-temperature sampling device comprises a flue, wherein a gas collecting port is preset at the right end of the flue, a filter screen is arranged on the inner wall of the flue at the left side of the gas collecting port, and the right side of the gas collecting port is connected with a gas collecting pipe through a connecting flange;

the bottom end of the gas production pipe is connected with a cooling pipe arranged in a cooling box, and a cooling water cavity is arranged in the cooling box;

the gas production pipe is connected with a recoil pipe, and the upper end of the recoil pipe is connected with an air pump.

In a preferred embodiment, a temperature detector is equipped on the gas production pipe.

In a preferred embodiment, a first electric control valve is arranged on the recoil pipe, and a second electric control valve is arranged on the gas production pipe positioned at the right end of the recoil pipe.

In a preferred embodiment, a first air pump is arranged between the gas production pipe and the cooling pipe, the cooling pipe is integrally in a coil pipe shape, and the outer end of the cooling pipe is uniformly coated with a heat dissipation silica gel layer.

In a preferred embodiment, the cooling tank is communicated with a cooling water inlet and a cooling water outlet on two sides, and the cooling pipe is made of copper material as a whole.

In a preferred embodiment, the right end of the cooling pipe penetrates through the cooling box and is connected with the air outlet pipe, and the air outlet pipe is connected with the air inlet end of the gas detector.

In a preferred embodiment, the air pump, the first electric control valve, the second electric control valve, the first air pump and the temperature detector are electrically connected with an external PLC terminal.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, after the flue gas is pumped into the sampling pipe and then is discharged into the cooling box, at the moment, cold water is discharged into the cooling box through the cooling water inlet, and then the flue gas inside is cooled by the cold water, thus reducing the damage to the gas detector at the later stage,

2. the utility model discloses in, air pump work is gaseous to the intraductal row of adopting the trachea, clears up the filter screen through the gas of row's income, has guaranteed holistic sampling effect.

Drawings

FIG. 1 is a schematic sectional view of the whole assembly of the present invention with a flue;

fig. 2 is an enlarged schematic diagram of a position a of the present invention.

The labels in the figure are: 1-flue, 2-back flushing pipe, 3-air pump, 4-second electric control valve, 5-air production pipe, 6-first air pump, 7-temperature detector, 8-cooling water inlet, 9-cooling box, 10-cooling pipe, 11-air outlet pipe, 12-connecting flange, 13-air production port and 14-filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-2, a high temperature sampling device, including flue 1, gas production port 13 has been preset to the right-hand member of flue 1, the left side of gas production port 13 installs filter screen 14 on the inner wall of flue 1, can carry out filtration treatment to large granule smoke and dust through filter screen 14, prevent the pipeline of smoke and dust jam later stage, the right side of gas production port 13 is connected with gas production pipe 5 through flange 12, the bottom of gas production pipe 5 is connected with cooling tube 10 that the cooler bin 9 is built-in, the cooler bin 9 is built-in to have a cooling water cavity, be connected with recoil pipe 2 on the gas production pipe 5, the upper end of recoil pipe 2 is connected with air pump 3, air pump 3 works, the gas is discharged into gas production pipe 5, clear up filter screen 14 through the gas of discharging.

In this embodiment, be equipped with on the gas production pipe 5 and install temperature detector 7, can carry out real-time supervision operation to the temperature of high temperature flue gas through temperature detector 7.

In this embodiment, be equipped with first aspiration pump 6 between gas production pipe 5 and the cooling tube 10, cooling tube 10 wholly is the coiled tube shape, and the even scribbles heat dissipation silica gel layer in the outer end of cooling tube 10, through the cooperation on cooling tube 10 and heat dissipation silica gel layer, can outwards derive the heat, accomplishes the radiating effect to inside high temperature flue gas.

In this embodiment, the both sides of cooler bin 9 communicate respectively has cooling water inlet 8 and cooling water export, through cooling water inlet 8 to the cooling bin 9 in discharge cold water, then carry out cooling process to inside flue gas through cold water, the whole copper material that is of cooling tube 10 makes, can guarantee the holistic heat conduction effect of cooling tube 10, can outwards derive the heat of flue gas, has led to the radiating effect of flue gas.

In this embodiment, the right end of the cooling pipe 10 penetrates through the cooling box 9 and is connected with the air outlet pipe 11, the air outlet pipe 11 is connected with the air inlet end of the gas detector, and the flue gas is detected and processed by the gas detector.

In this embodiment, be equipped with first electrically controlled valve on the recoil pipe 2, be located and be equipped with second electrically controlled valve 4 on the gas production pipe 5 of recoil pipe 2 right-hand member, air pump 3, first electrically controlled valve, second electrically controlled valve 4, first aspiration pump 6 and temperature detector 7 and external PLC end electric connection, through the cooperation switching of first electrically controlled valve, second electrically controlled valve 4, can realize sampling and clearance operation respectively.

It should be noted that the air pump 3 may be equipped with a timing switch, and the timing switch is electrically connected to the PLC terminal, so that the PLC terminal can control the overall operation of the device, thereby achieving an automatic sampling operation.

The working principle is as follows: this device is when using, at first with 1 looks group of flue dress together, when needs sampling, first aspiration pump 6 begins work, through sampling port 13 with the flue gas suction to gas production pipe 5 in, then discharge into in the cooler bin 9, discharge into cold water in to cooler bin 9 through cooling water entry 8 this moment, then carry out cooling process through cold water to inside flue gas, the back that finishes is cooled off, gas discharges into in the gas detection appearance of back stage connection, alright detect gas through the gas detection appearance.

After the sampling device is used for a long time, the second electric control valve 4 is closed, the first electric control valve is opened, then the air pump 3 works, air is discharged into the gas production pipe 5, the filter screen 14 is cleaned through the discharged air, and the integral sampling effect is guaranteed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high temperature sampling device, includes flue (1), its characterized in that: a gas collecting port (13) is preset at the right end of the flue (1), a filter screen (14) is arranged on the inner wall of the flue (1) at the left side of the gas collecting port (13), and the right side of the gas collecting port (13) is connected with a gas collecting pipe (5) through a connecting flange (12);

the bottom end of the gas production pipe (5) is connected with a cooling pipe (10) arranged in a cooling box (9), and a cooling water cavity is arranged in the cooling box (9);

the gas production pipe (5) is connected with a recoil pipe (2), and the upper end of the recoil pipe (2) is connected with the air pump (3).

2. A high temperature sampling device as defined in claim 1, wherein: and the gas production pipe (5) is provided with a temperature detector (7).

3. A high temperature sampling device as defined in claim 1, wherein: the back flushing pipe (2) is provided with a first electric control valve, and the gas production pipe (5) positioned at the right end of the back flushing pipe (2) is provided with a second electric control valve (4).

4. A high temperature sampling device as defined in claim 1, wherein: be equipped with first aspiration pump (6) between gas production pipe (5) and cooling tube (10), cooling tube (10) wholly are the coil pipe form, the outer end of cooling tube (10) is even scribbles the heat dissipation silica gel layer.

5. A high temperature sampling device as defined in claim 1, wherein: the two sides of the cooling box (9) are respectively communicated with a cooling water inlet (8) and a cooling water outlet, and the whole cooling pipe (10) is made of copper materials.

6. A high temperature sampling device as defined in claim 1, wherein: the right end of the cooling pipe (10) penetrates through the cooling box (9) and is connected with the air outlet pipe (11), and the air outlet pipe (11) is connected with the air inlet end of the gas detector.

7. A high temperature sampling device as claimed in claim 4, wherein: the air pump (3), the first electric control valve, the second electric control valve (4), the first air pump (6) and the temperature detector (7) are electrically connected with an external PLC end.