CN218916967U

CN218916967U - Sampling device of continuous monitoring system for flue gas emission

Info

Publication number: CN218916967U
Application number: CN202223385291.XU
Authority: CN
Inventors: 王丹平; 高鹏涛; 黄晓锋; 梁琨
Original assignee: Xi'an Lingshi Environmental Protection Technology Co ltd
Current assignee: Xi'an Lingshi Environmental Protection Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-25
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a sampling device of a continuous monitoring system for flue gas emission, which comprises an air pump, wherein one side of the air pump is provided with an air inlet structure, the top of the air pump is fixedly provided with an exhaust nozzle, the air inlet structure comprises a connecting ring, two ends of the connecting ring are respectively provided with a first threaded connector and a second threaded connector, the outer part of the first threaded connector is in meshed connection with an air inlet pipe I, the outer part of the second threaded connector is in meshed connection with an air inlet pipe II, two ends of the connecting ring are respectively provided with a first sealing sleeve and a second sealing sleeve by means of the first threaded connector and the second threaded connector, one end, far away from the connecting ring, of the air inlet pipe I is provided with a fixed flange, and the outer parts, close to one ends, of the first sealing sleeve and the second sealing sleeve are respectively clamped with a fastening rubber ring; the utility model can effectively preserve heat of the air inlet pipe during sampling, avoid the influence of gas heat loss on monitoring results, and simultaneously the whole air inlet structure is detachable, thereby being convenient for cleaning the air inlet pipe.

Description

Sampling device of continuous monitoring system for flue gas emission

Technical Field

The utility model belongs to the field of flue gas collection, and particularly relates to a sampling device of a continuous flue gas emission monitoring system.

Background

The continuous monitoring system for the smoke emission is a system for monitoring smoke components of a pipeline for continuously discharging smoke, the smoke in the pipeline is sampled through a sampling device, a smoke sample is sent into monitoring equipment, and the component monitoring of the smoke can be realized.

When the sampling device of the existing continuous monitoring system for flue gas emission is used, after the flue gas enters the gas inlet structure, heat loss can occur to reduce the temperature of the flue gas, so that the component condition of the flue gas at the initial discharge temperature can not be accurately monitored, deviation can exist in monitoring, meanwhile, the gas inlet structure is basically integrated and can not be split, the inner wall of the gas inlet pipeline can adsorb impurities after long-term use, and the gas inlet structure is inconvenient to clean and influences the flue gas circulation.

Disclosure of Invention

The utility model aims to provide a sampling device of a continuous smoke emission monitoring system, which effectively solves the technical problems in the background technology.

The aim of the utility model can be achieved by the following technical scheme:

the sampling device of the continuous monitoring system for the flue gas emission comprises an air suction pump, wherein one side of the air suction pump is provided with an air inlet structure, and the top of the air suction pump is fixedly provided with an exhaust nozzle;

the air inlet structure comprises a connecting ring, a first threaded connector and a second threaded connector are respectively arranged at two ends of the connecting ring, an air inlet pipe is connected with the first threaded connector in an external engagement mode, an air inlet pipe is connected with the second threaded connector in an external engagement mode, a first sealing sleeve and a second sealing sleeve are respectively arranged at two ends of the connecting ring by means of the first threaded connector and the second threaded connector, a fixing flange is arranged at one end, far away from the connecting ring, of the first air inlet pipe, and a fastening rubber ring is clamped at the outer portion, close to one end, of the first sealing sleeve and the second sealing sleeve.

As a further scheme of the utility model, rubber layers are adhered to the inner parts of the first sealing sleeve and the second sealing sleeve, and heat preservation layers are adhered to the inner walls of the rubber layers.

As a further scheme of the utility model, the outer parts of the ends, close to one end, of the first sealing sleeve and the second sealing sleeve are respectively provided with a fixing groove, and the inner ring of the fastening rubber ring is clamped in the fixing grooves.

As a further scheme of the utility model, the first sealing sleeve and the second sealing sleeve are respectively coated outside the first air inlet pipe and the second air inlet pipe.

As a further scheme of the utility model, the end, close to the air inlet pipe I and the air inlet pipe II, of the air inlet pipe I is provided with internal threads, and the threaded joint I and the threaded joint II are respectively meshed with the internal threads of the end, close to the air inlet pipe I and the air inlet pipe II, of the air inlet pipe II.

As a further scheme of the utility model, one end of the second air inlet pipe far away from the connecting ring is fixedly connected with one side of the air pump.

The utility model has the beneficial effects that:

according to the utility model, the first sealing sleeve and the second sealing sleeve are arranged, after the first threaded connector and the second threaded connector are respectively connected with the first air inlet pipe and the second air inlet pipe in a meshed manner, the first air inlet pipe is covered by the first sealing sleeve, the second air inlet pipe is covered by the second sealing sleeve, the outer parts of the first air inlet pipe and the second air inlet pipe are extruded by the rubber layer, so that the bonding degree of the first sealing sleeve and the second sealing sleeve to the surfaces of the first air inlet pipe and the second air inlet pipe is improved, meanwhile, the heat insulation layer is bonded with the surfaces of the first air inlet pipe and the second air inlet pipe, the problem of heat loss of smoke when the smoke circulates in the first air inlet pipe and the second air inlet pipe is solved, and the condition that the heat loss of the smoke when the first air inlet pipe and the second air inlet pipe enter the air is influenced to the detection result is avoided.

And meanwhile, the fastening rubber rings are arranged at the end parts of the joints of the first sealing sleeve and the second sealing sleeve and the connecting rings, the fastening rubber rings are connected with the fixing grooves, the end parts of the first air inlet pipe and the second air inlet pipe, which are connected with the first threaded joint and the second threaded joint, are extruded, and the connection tightness of the first sealing sleeve and the second sealing sleeve with the first air inlet pipe and the second air inlet pipe is further improved.

Through with intake pipe one and intake pipe two respectively with screwed joint one and screwed joint two meshing connection, can make things convenient for intake pipe one and intake pipe two and screwed joint one and screwed joint two's that correspond dismantlement operation, only need break away from intake pipe one and intake pipe two and screwed joint one and screwed joint two that correspond when dismantling, break away from seal cover one and seal cover two and intake pipe one and intake pipe two that correspond again, can become three parts with whole inlet structure split, be convenient for carry out cleaning operation to intake pipe one and intake pipe two inside, avoid intake pipe one and intake pipe two pipe wall impurity to influence the flue gas circulation more.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of an air intake structure of the present utility model.

Figure 3 is an end section view of a first sealing sleeve according to the utility model.

Figure 4 is a front view of the seal cartridge of the present utility model, shown attached to a coupling ring.

In the figure: 1. an air extracting pump; 2. an exhaust nozzle; 3. an air intake structure; 4. a connecting ring; 5. a first threaded joint; 6. a threaded joint II; 7. an air inlet pipe I; 8. an air inlet pipe II; 9. a first sealing sleeve; 10. a fixed flange; 11. a second sealing sleeve; 12. fastening a rubber ring; 13. a rubber layer; 14. a heat preservation layer; 15. and a fixing groove.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, a sampling device of a continuous flue gas emission monitoring system comprises an air suction pump 1, wherein one side of the air suction pump 1 is provided with an air inlet structure 3, and the top of the air suction pump 1 is fixedly provided with an exhaust nozzle 2;

the air inlet structure 3 comprises a connecting ring 4, a first threaded connector 5 and a second threaded connector 6 are respectively arranged at two ends of the connecting ring 4, an air inlet pipe 7 is connected to the first threaded connector 5 in an external engagement mode, an air inlet pipe 8 is connected to the second threaded connector 6 in an external engagement mode, a first sealing sleeve 9 and a second sealing sleeve 11 are respectively arranged at two ends of the connecting ring 4 by means of the first threaded connector 5 and the second threaded connector 6, a fixing flange 10 is arranged at one end, far away from the connecting ring 4, of the first air inlet pipe 7, and a fastening rubber ring 12 is clamped outside one end, close to the first sealing sleeve 9 and the second sealing sleeve 11, of the air inlet pipe.

When in use, the fastening rubber ring 12 is clamped at the end parts of the corresponding first sealing sleeve 9 and the corresponding second sealing sleeve 11, so that the joint of the first threaded joint 5 and the first air inlet pipe 7 and the joint of the second threaded joint 6 and the second air inlet pipe 8 are reinforced.

The rubber layer 13 is adhered to the inner parts of the first sealing sleeve 9 and the second sealing sleeve 11, and the heat preservation layer 14 is adhered to the inner wall of the rubber layer 13.

The rubber layer 13 can be arranged to increase the connection tightness with the first air inlet pipe 7 and the second air inlet pipe 8 when the first sealing sleeve 9 and the second sealing sleeve 11 are sleeved, and the heat insulation layer 14 can be arranged to insulate the outside of the first air inlet pipe 7 and the second air inlet pipe 8, so that the collected smoke heat is prevented from losing.

The outside of the end, close to the sealing sleeve I9 and the sealing sleeve II 11, is provided with a fixing groove 15, and the inner ring of the fastening rubber ring 12 is clamped in the fixing groove 15.

The first sealing sleeve 9 and the second sealing sleeve 11 are respectively coated outside the first air inlet pipe 7 and the second air inlet pipe 8.

The first air inlet pipe 7 and the second air inlet pipe 8 are provided with internal threads at the ends close to each other, and the first threaded joint 5 and the second threaded joint 6 are respectively meshed with the internal threads at the ends close to each other of the first air inlet pipe 7 and the second air inlet pipe 8.

The first air inlet pipe 7 and the second air inlet pipe 8 are connected in a threaded engagement mode, so that the disassembly is convenient.

One end of the air inlet pipe II 8 far away from the connecting ring 4 is fixedly connected with one side of the air pump 1.

A sampling device of a smoke emission continuous monitoring system is characterized in that an air inlet structure 3 is connected with a sampling pipeline by using a fixed flange 10 when the smoke emission continuous monitoring system is used for sampling, a suction pump 1 is used for starting to suck air, a smoke sample is sucked in from an air inlet pipe 7 and passes through the inside of a threaded joint I5 and a connecting ring 4, then enters into the air inlet pipe II 8 through a threaded joint II 6, the smoke sample enters into the suction pump 1, an exhaust nozzle 2 is connected with monitoring equipment in the smoke emission continuous monitoring system, smoke is discharged from the exhaust nozzle 2 to the monitoring equipment for detection, thus the sampling operation is completed, the smoke is coated outside the air inlet pipe I7 by using a sealing sleeve I9 when the smoke circulates in the air inlet structure 3, the sealing sleeve II 11 is coated outside the air inlet pipe II 8, a rubber layer 13 is arranged in the sealing sleeve I9 and the sealing sleeve II 11, so that the sealing sleeve I9 and the sealing sleeve II 11 are extruded outside the air inlet pipe I7 and the air inlet pipe II 8, the connection degree is improved, and simultaneously a heat insulation layer 14 is matched, the smoke loss of the air inlet pipe I7 and the air inlet pipe II 8 is avoided when the air inlet is subjected to air inlet, the detection result is influenced, the sealing sleeve I9 and the sealing sleeve II 11 is connected with the end part of the connecting ring 4, the sealing sleeve I and the sealing sleeve II is connected with the end part 6, and the end part of the threaded joint II is connected with the air inlet pipe I and the sealing sleeve 8 by the sealing sleeve I and the sealing sleeve II is arranged.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The sampling device of the continuous monitoring system for the flue gas emission comprises an air pump (1) and is characterized in that an air inlet structure (3) is arranged on one side of the air pump (1), and an exhaust nozzle (2) is fixedly arranged at the top of the air pump (1);

the utility model provides an inlet structure (3) is including go-between (4), screwed joint one (5) and screwed joint two (6) are installed respectively at the both ends of go-between (4), and the external engagement of screwed joint one (5) is connected with intake pipe one (7), the external engagement of screwed joint two (6) is connected with intake pipe two (8), install seal cover one (9) and seal cover two (11) respectively by screwed joint one (5) and screwed joint two (6) at the both ends of go-between (4), mounting flange (10) are installed to the one end that go-between (4) was kept away from to intake pipe one (7), seal cover one (9) and seal cover two (11) are close to one end outside all the joint has fastening rubber ring (12) mutually.

2. The sampling device of the continuous monitoring system for flue gas emission according to claim 1, wherein the rubber layers (13) are adhered to the inner parts of the first sealing sleeve (9) and the second sealing sleeve (11), and the heat preservation layer (14) is adhered to the inner wall of the rubber layer (13).

3. The sampling device of the continuous monitoring system for flue gas emission according to claim 1, wherein the outer parts of the sealing sleeve I (9) and the sealing sleeve II (11) close to one end are respectively provided with a fixing groove (15), and the inner ring of the fastening rubber ring (12) is clamped in the fixing grooves (15).

4. The sampling device of the continuous monitoring system for flue gas emission according to claim 1, wherein the first sealing sleeve (9) and the second sealing sleeve (11) are respectively coated on the outer parts of the first air inlet pipe (7) and the second air inlet pipe (8).

5. The sampling device for the continuous monitoring system for flue gas emission according to claim 4, wherein the first air inlet pipe (7) and the second air inlet pipe (8) are provided with internal threads at the ends close to each other, and the first threaded joint (5) and the second threaded joint (6) are respectively meshed with the internal threads at the ends close to each other of the first air inlet pipe (7) and the second air inlet pipe (8).

6. The sampling device of the continuous monitoring system for flue gas emission according to claim 1, wherein one end of the second air inlet pipe (8) far away from the connecting ring (4) is fixedly connected with one side of the air pump (1).