CN210400954U

CN210400954U - Flue gas sampling device for thermal power plant

Info

Publication number: CN210400954U
Application number: CN201920887281.5U
Authority: CN
Inventors: 汪军
Original assignee: Xiangshui Lianyi Thermoelectric Co Ltd
Current assignee: Xiangshui Lianyi Thermoelectric Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-24
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a flue gas sampling device for a thermal power plant, which belongs to the technical field of flue gas sampling, and comprises a pipe body a and a pipe body b, wherein the left side surface of the pipe body a is communicated with a smoke absorbing pipe, the right side surface of the pipe body a is fixedly connected with a connecting pipe, the connecting pipe is in threaded connection with the inside of the pipe body b, the outer surface of the pipe body b is connected with a plurality of exhaust pipes, and the other end of each exhaust pipe is provided with a sealing cap; the bolt can run through fixed cover and fix the cartridge filter for cartridge filter and fixed cover can be together fixed, and connecting pipe threaded connection is in body b, when needs take out the cartridge filter, can rotate body a and drive the connecting pipe rotatory, the connecting pipe is no longer threaded connection in body b, then can become flexible the bolt, take out the cartridge filter from body a at last, can be with the surface of adapter sleeve threaded connection extension, make smoking pipe and extension can link together, and then prolonged the smoking scope of smoking pipe.

Description

Flue gas sampling device for thermal power plant

Technical Field

The utility model belongs to the technical field of the flue gas sampling, concretely relates to flue gas sampling device for thermal power plant.

Background

The smoke is a mixture of gas and smoke dust, is a main reason for polluting atmosphere of residential areas, the components of the smoke are complex, the gas comprises water vapor, SO2, N2, O2, CO2 hydrocarbon, oxynitride and the like, the smoke dust comprises ash content, coal particles, oil drops, high-temperature cracking products and the like of fuel, SO that the pollution of the smoke gas to the environment is composite pollution of various poisons, the harmfulness of the smoke dust to human bodies is related to the size of particles, most of the harm generated to the human bodies are flying dust with the diameter of less than 10 micrometers, and the harmfulness is the largest with the flying dust with the diameter of 1-2.5 micrometers.

The length of the sampling head of the existing flue gas sampling device is fixed, so that certain limitation is brought to the process of sampling flue gas, a filtering mechanism is generally arranged in the sampling device and used for filtering large particles and impurities in the flue gas, however, the filtering mechanism is internally provided with residues after filtering the flue gas, therefore, when the flue gas of different sampling types is sampled, the filtering mechanism needs to be replaced, and then the sampling device needs to be disassembled by using tools, the operation is troublesome, and the use of people is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal power plant uses flue gas sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flue gas sampling device for a thermal power plant comprises a pipe body a and a pipe body b, wherein the left side surface of the pipe body a is communicated with a smoke absorbing pipe, the right side surface of the pipe body a is fixedly connected with a connecting pipe, the connecting pipe is in threaded connection with the inside of the pipe body b, the outer surface of the pipe body b is connected with a plurality of exhaust pipes, the other end of each exhaust pipe is provided with a sealing cap, a baffle is arranged in the pipe body b, the outer surface of the baffle is fixedly connected with a rubber ring b, the outer surface of the rubber ring b is attached to the inner wall of the pipe body b, the right side surface of the baffle is fixedly connected with a sleeve, the outer surface of the sleeve is sleeved in a sliding sleeve, the left side surface and the right side surface of the sliding sleeve are both fixedly connected with the rubber ring a, the sliding sleeve is clamped on the, and the left end of pivot passes the through-hole that the baffle left surface was seted up, the outer fixed surface of pivot is connected with the closing plate, and the right flank laminating of closing plate is at the left surface of baffle, the fixed cover of inner wall fixedly connected with of body an, and fixed intraductal cartridge filter that is provided with.

Preferably, the upper surface of body a fixedly connected with fixing base, be provided with the extension pipe on the fixing base, and the left end fixedly connected with adapter sleeve of extension pipe, the positive fixedly connected with bandage of body a, the surface of extension pipe is walked around and is located the rear side of body a to the other end of bandage, the lower fixed surface of bandage is connected with and colludes the face, collude the face and bond together with the matte, and matte fixed connection is at the back of body a.

Preferably, a filter screen is arranged in the filter cylinder.

Preferably, the left side of cartridge filter has two dogs, and two dogs fixed connection respectively are at the upper surface and the lower surface of body a inner wall.

Preferably, the front and the back of the pipe body a are both provided with bolts, one ends of the bolts penetrate through the outer surface of the pipe body a and are in threaded connection with the threaded holes, the threaded holes are formed in the outer surface of the fixing sleeve, and the threaded holes penetrate through the fixing sleeve.

Preferably, a plurality of air holes are formed in the left side face of the baffle plate, and the air holes are divided into three groups and evenly arranged on the left side face of the baffle plate.

Preferably, the number of the obturation plates is three, and the three obturation plates are uniformly arranged on the outer surface of the rotating shaft.

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

1. through setting up bolt and fixed cover, the bolt can run through fixed cover and fix the cartridge filter, make cartridge filter and fixed cover can be together fixed, through setting up the connecting pipe, and connecting pipe threaded connection is in body b, when needs take out the cartridge filter, it is rotatory to rotate body a and drive the connecting pipe, the connecting pipe is threaded connection no longer in body b, then can become flexible the bolt, take out the cartridge filter from body a at last, high durability and convenient operation, through setting up the extension pipe, when the smoking pipe is long not enough when the extraction flue gas, can be with the surface of adapter sleeve threaded connection extension pipe, make smoking pipe and extension pipe can link together, and then the smoking scope of smoking pipe has been prolonged, the limitation of smoking pipe when using has greatly been reduced.

2. The number through setting up the pipe of discharging fume is a plurality of, and the flue gas can be through the even discharge of a plurality of pipe of discharging fume, can collect a plurality of samples in same time, and through setting up sealed cap, sealed cap can plug up the pipe of discharging fume, when needs control sample quantity, can use sealed cap to plug up the pipe of discharging fume.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the tube body b in front view;

fig. 3 is a schematic view of a partial cross-sectional structure of a tube body a in the present invention;

fig. 4 is a left side view structure diagram of the middle baffle and the obturation plate of the present invention.

In the figure: 1. a pipe body a; 2. a smoking pipe; 3. an extension pipe; 4. a fixed seat; 5. binding bands; 6. a connecting pipe; 7. a pipe body b; 8. a sealing cap; 9. a sliding sleeve; 10. a rubber ring a; 11. a sleeve; 12. a rotating shaft; 13. a baffle plate; 14. a closing plate; 15. a rubber ring b; 16. a filter cartridge; 17. air holes are formed; 18. a stopper; 19. and (4) fixing sleeves.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the present invention provides a flue gas sampling device for thermal power plant, comprising a tube a1 and a tube b7, wherein the left side of the tube a1 is connected to a fume tube 2, the right side of the tube a1 is fixedly connected to a connecting tube 6, the connecting tube 6 is screwed into the tube b7, the outer surface of the tube b7 is connected to a plurality of exhaust tubes, the other end of the exhaust tube is provided with a sealing cap 8, a baffle 13 is arranged in the tube b7, the outer surface of the baffle 13 is fixedly connected to a rubber ring b15, the outer surface of the rubber ring b15 is attached to the inner wall of the tube b7, the right side of the baffle 13 is fixedly connected to a sleeve 11, the outer surface of the sleeve 11 is sleeved to a sliding sleeve 9, the left and right sides of the sliding sleeve 9 are both fixedly connected to rubber rings a10, the sliding sleeve 9 is fastened to the right side of the tube b7, a bearing is arranged in the sleeve, and the left end of the rotating shaft 12 passes through a through hole formed in the left side surface of the baffle plate 13, the outer surface of the rotating shaft 12 is fixedly connected with a sealing plate 14, the right side surface of the sealing plate 14 is attached to the left side surface of the baffle plate 13, the inner wall of the pipe body a1 is fixedly connected with a fixed sleeve 19, and a filter cartridge 16 is arranged in the fixed sleeve 19.

In the scheme, a worker controls the smoking pipe 2 to move to a smoke outlet, smoke enters the pipe body a1 through the smoking pipe 2, then enters the pipe body b7 after being filtered by the filter cartridge 16, and enters the right side of the baffle 13 through the air holes 17, the worker rotates the rotating shaft 12 through screwing the ring, the rotating shaft 12 drives the airtight plate 14 to rotate, the airtight plate 14 can block the air holes 17, then the sleeve 11 is pulled to move rightwards, the sleeve 11 drives the baffle 13 to move rightwards, the baffle 13 can push the smoke to flow, so that the smoke can be effectively discharged through the smoke exhaust pipe, and meanwhile the smoke can be collected.

Specifically, body a 1's last fixed surface is connected with fixing base 4, be provided with extension pipe 3 on the fixing base 4, and the left end fixedly connected with adapter sleeve of extension pipe 3, body a 1's positive fixedly connected with bandage 5, the surface of extension pipe 3 is walked around and is located the rear side of body a1 to the other end of bandage 5, the lower fixed surface of bandage 5 is connected with the hook face, the hook face bonds together with the matte, and matte fixed connection is at the back of body a 1.

Specifically, a filter screen is arranged in the filter cartridge 16; by arranging the filter screen, the filter screen can filter large particles and impurities in the flue gas, so that the problem of subsequent detection of the flue gas is avoided; through setting up cartridge filter 16, can directly take out cartridge filter 16, convenient operation when needing to change the filter screen.

Specifically, two stoppers 18 are attached to the left side surface of the filter cartridge 16, and the two stoppers 18 are fixedly connected to the upper surface and the lower surface of the inner wall of the tube body a1 respectively; by providing the stopper 18, the stopper 18 can block the filter cartridge 16, preventing the filter cartridge 16 from directly dropping into the tube body a1 during installation.

Specifically, bolts are arranged on the front side and the back side of the tube body a1, one end of each bolt penetrates through the outer surface of the tube body a1 and is in threaded connection with a threaded hole, the threaded hole is formed in the outer surface of the fixing sleeve 19, and the threaded hole penetrates through the fixing sleeve 19; by providing bolts and the retaining sleeve 19, the bolts can penetrate the retaining sleeve 19 and secure the filter cartridge 16 so that the filter cartridge 16 and the retaining sleeve 19 can be secured together.

Specifically, the left side surface of the baffle 13 is provided with a plurality of air holes 17, the plurality of air holes 17 are divided into three groups and evenly arranged on the left side surface of the baffle 13, the number of the closed plates 14 is three, and the three closed plates 14 are evenly arranged on the outer surface of the rotating shaft 12; through setting up bleeder vent 17, the flue gas can flow into the right side of baffle 13 through bleeder vent 17, through setting up closing plate 14, when closing plate 14 removed to bleeder vent 17 department, can prevent that the flue gas from flowing through bleeder vent 17.

It should be noted that: the hook surface and the hair surface can be combined with a magic tape, so that the bandage 5 can be bonded on the back surface of the pipe body a 1.

The utility model discloses a theory of operation and use flow: the worker controls the smoking pipe 2 to move to a smoke outlet, smoke enters the pipe body a1 through the smoking pipe 2, then enters the pipe body b7 after being filtered by the filter cylinder 16 and enters the right side of the baffle 13 through the air holes 17, the worker rotates the rotating shaft 12 through the screwing ring, the rotating shaft 12 drives the airtight plate 14 to rotate, the airtight plate 14 can block the air holes 17, then the sleeve pipe 11 is pulled to move rightwards, the sleeve pipe 11 drives the baffle 13 to move rightwards, the baffle 13 can push the smoke to flow, the smoke can be effectively discharged through the smoke exhaust pipe, and meanwhile the smoke can be collected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermal power plant uses flue gas sampling device, includes body a (1) and body b (7), its characterized in that: the left side surface of the pipe body a (1) is communicated with a smoking pipe (2), the right side surface of the pipe body a (1) is fixedly connected with a connecting pipe (6), the connecting pipe (6) is in threaded connection with the inside of the pipe body b (7), the outer surface of the pipe body b (7) is connected with a plurality of exhaust pipes, the other ends of the exhaust pipes are provided with sealing caps (8), a baffle (13) is arranged in the pipe body b (7), the outer surface of the baffle (13) is fixedly connected with a rubber ring b (15), the outer surface of the rubber ring b (15) is attached to the inner wall of the pipe body b (7), the right side surface of the baffle (13) is fixedly connected with a sleeve (11), the outer surface of the sleeve (11) is sleeved in a sliding sleeve (9), the left side surface and the right side surface of the sliding sleeve (9) are both fixedly connected with rubber rings a (10), and the sliding sleeve, be provided with the bearing in sleeve pipe (11), and the joint has pivot (12) in the bearing, the right-hand member fixedly connected with of pivot (12) twists the ring, and the left end of pivot (12) passes the through-hole that baffle (13) left surface was seted up, the outer fixed surface of pivot (12) is connected with closing plate (14), and the right flank laminating of closing plate (14) is at the left surface of baffle (13), the fixed cover (19) of inner wall fixedly connected with of body a (1), and be provided with cartridge filter (16) in fixed cover (19).

2. The flue gas sampling device for a thermal power plant of claim 1, wherein: the utility model discloses a take the structure of body a (1) as a whole, including body a, the last fixed surface of body a (1) is connected with fixing base (4), be provided with extension pipe (3) on fixing base (4), and the left end fixedly connected with adapter sleeve of extension pipe (3), the front fixedly connected with bandage (5) of body a (1), the surface of extension pipe (3) is walked around and is located the rear side of body a (1) to the other end of bandage (5), the lower fixed surface of bandage (5) is connected with and colludes the face, collude the face and the hair side bonds together, and hair side fixed connection is at the back of body a (1).

3. The flue gas sampling device for a thermal power plant of claim 1, wherein: a filter screen is arranged in the filter cartridge (16).

4. The flue gas sampling device for a thermal power plant of claim 1, wherein: the left side of cartridge filter (16) closes two dog (18), and two dog (18) fixed connection respectively are at the upper surface and the lower surface of body a (1) inner wall.

5. The flue gas sampling device for a thermal power plant of claim 1, wherein: the front and the back of body a (1) all are provided with the bolt, and the surface and the threaded connection of body a (1) are downthehole to the one end of bolt, the screw hole is seted up at the surface of fixed cover (19), and the screw hole runs through in fixed cover (19).

6. The flue gas sampling device for a thermal power plant of claim 1, wherein: a plurality of bleeder vent (17) have been seted up to the left surface of baffle (13), and a plurality of bleeder vent (17) divide into three groups and evenly set up at the left surface of baffle (13).

7. The flue gas sampling device for a thermal power plant of claim 6, wherein: the number of the obturation plates (14) is three, and the three obturation plates (14) are uniformly arranged on the outer surface of the rotating shaft (12).