CN215822676U

CN215822676U - Flue gas water-spraying atomization cooling device of electric-bag composite dust collector

Info

Publication number: CN215822676U
Application number: CN202121696456.8U
Authority: CN
Inventors: 方堃权; 孙磊; 陈胤匡
Original assignee: Zhejiang Tengtai Environmental Technology Co ltd
Current assignee: Zhejiang Tengtai Environmental Technology Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-02-15
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a flue gas water-spraying atomization cooling device of an electric-bag composite dust remover, which comprises a shell and an ash bucket connected below the shell, wherein the top end of the shell is provided with a gas outlet, the shell is provided with a water inlet and a gas inlet, the water inlet is provided with a circular pipe corresponding to the inner wall of the shell, the circular pipe is internally and rotatably provided with an inner pipe, the bottom of the circular pipe is uniformly provided with six connecting ports, the connecting ports are fixedly provided with atomizers, a first sliding block is arranged above two symmetrical connecting ports, a second sliding block is arranged above the other two symmetrical connecting ports, the length of the second sliding block is two times of that of the first sliding block, the rear ends of the first sliding block and the second sliding block are fixedly provided with a tension rope, one end of the tension rope is fixedly connected with a fixed rod, the front end of the inner pipe corresponding to the sliding block is provided with a limiting hole, a rotating rod is inserted into the limiting hole, one end of the rotating rod is fixed at the front end of the corresponding sliding block, the other end of the rotating rod is fixedly provided with a plurality of wind blocking sheets, the utility model has reasonable structure and solves the use problem of insufficient contact between atomized water mist and gas.

Description

Flue gas water-spraying atomization cooling device of electric-bag composite dust collector

Technical Field

The utility model relates to a flue cooling device in a dust remover, in particular to a flue gas water-spraying atomization cooling device of an electric-bag composite dust remover.

Background

Since 1/2012, the air pollution emission standard of the thermal power plant (GB13223-2011) is implemented, the limit value of the smoke emission concentration of the thermal power plant is regulated to be 30 mg/Nm 3, and the limit value of the smoke emission concentration of the key area is regulated to be 20 mg/Nm 3, so that higher environmental protection requirements are provided for the thermal power plant. Due to market and other reasons, the boiler coal is not purchased according to the design coal burning standard basically in the existing power plant, so the emission requirement is difficult to meet sometimes due to the change of the flue gas ash content proportion and the temperature change. The power plant must adopt a more efficient and stable dust removal technology to meet the national environmental protection requirements.

The electric-bag composite dust remover is the most advanced high-efficiency dust remover in the prior art, but the change of coal type causes the inlet flue gas temperature and the flue gas ash ratio resistance to influence the operation effect of the electric-bag composite dust remover, so that the flue gas generated by a boiler needs to be cooled and subjected to flue gas conditioning treatment. The traditional cold air cooling technology can bring corresponding negative effects: the cold air cooling can greatly increase the smoke amount, increase the air leakage rate and increase the pressure loss, which can both generate adverse factors to the operation of the boiler and the electric bag composite dust remover and can cause a large amount of ash to enter the electric bag composite dust remover, thereby influencing the dust removing effect of the dust remover.

Chinese patent application No. CN201420181722.7 discloses a flue gas water-spraying atomizing cooling device for an electric-bag composite dust collector, which comprises a cooler shell and a skeleton, a cooler ash bucket, a gate valve, an ash discharge valve, a nozzle cover, a nozzle flange, a nozzle body, an atomizing spring nozzle, a bolt, a nut and a reinforcing plate, and is characterized in that the water-spraying atomizing nozzle is provided with a high-temperature spring, and the nozzle carries out atomizing cooling vertically downwards so that the flue gas temperature is constant within a certain range, and simultaneously, the flue gas is subjected to primary dust removal before entering the electric-bag composite dust collector; electricity compound dust remover flue gas water spray atomizing heat sink electricity compound dust remover flue gas water spray atomizing heat sink, its characterized in that: an atomization spring nozzle is arranged at the upper part of the cooler shell, and a high-temperature spring with an automatic resetting function is arranged in the nozzle and has the function of automatically adjusting the water quantity; the utility model has the beneficial effects that: the cooling effect is good, the ash removal ability is strong, the atomizing spring nozzle is convenient to overhaul, and the device is particularly suitable for a water spraying and atomizing cooling device which is used for spraying water, atomizing and cooling, removing ash and discharging waste gas in front of a bag-type dust remover and an electric bag composite dust remover.

The scheme also has the use problem that when the flue gas water-spraying atomization cooling device of the electrostatic fabric filter operates in the use process, the water-spraying atomization nozzle vertically downwards atomizes and cools, but is possibly not fully contacted with air flow below, so that the gas is not completely purified, and the following solution is provided for the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas water-spraying atomization cooling device of an electric-bag composite dust remover, which solves the use problem of incomplete gas purification caused by insufficient contact of atomized water mist and gas.

The technical purpose of the utility model is realized by the following technical scheme:

a flue gas water spraying atomization cooling device of an electric bag composite dust remover comprises a shell and an ash bucket fixedly connected below the shell, wherein the top end of the shell is provided with a gas outlet, the middle part of one side of the shell is provided with a water inlet, the bottom of one side of the shell is provided with a gas inlet, the inner wall of the gas inlet, corresponding to the shell, is provided with a groove, the inner wall of the water inlet, corresponding to the shell, is fixed with a circular pipe, the circular pipe is internally and rotatably provided with an inner pipe, the bottom of the circular pipe is uniformly provided with six connecting ports, the connecting ports are fixedly connected with atomizers, the atomizers are positioned outside the bottom surface of the circular pipe, two connecting ports are symmetrical, a first sliding block is arranged above the connecting ports, the first sliding block is connected in the circular pipe in a sliding manner, the other two sliding blocks are arranged above the connecting ports, the length of the second sliding block is twice as that of the first sliding block, the second sliding block is connected in the circular pipe in a sliding manner, the rear ends of the first sliding block and the second sliding block are provided with fixing rods, the fixing rods are fixed to the inner side of the bottom surface of the circular tube, the rear ends of the first sliding block and the second sliding block are fixedly connected with tension ropes, one end of each tension rope is fixedly connected with the fixing rods, the inner tube corresponds to the front ends of the first sliding block and the second sliding block and is provided with a limiting hole, the rotating rods are arranged in the limiting holes in an alternating mode, one end of each rotating rod is fixedly connected to the front ends of the corresponding first sliding block or the corresponding second sliding block, the other end of each rotating rod is fixedly connected with a connecting rod, a plurality of wind-blocking pieces are fixedly connected to the lower end of the side wall of the connecting rod and are in sliding fit with the grooves, and a pollution discharge device is fixedly arranged below the ash bucket.

Adopt the above-mentioned technical scheme, in the use, the user leads to water for the inlet port, make water get into the circular pipe and flow into the atomizer through two symmetrical connectors, the atomizer atomizes water and gives off downwards, the air inlet inserts the flue gas that needs to purify, promote the deep bead when flue gas increases, the deep bead receives gas thrust to rotate clockwise in the recess, it is rotatory to drive the connecting rod, the connecting rod drives the rotary rod rotatory and the rotary rod rotatory drives the inner tube rotatory simultaneously, the rotary rod drives slider one and slider two of one end fixed connection to slide clockwise in the circular pipe, make the tensile rope stretch and extend, the gas flow increases, make slider one continuously slide in the circular pipe and spill the corresponding connector, make water get into the atomizer and atomize, at this moment four atomizers atomize the work, when the gas flow continuously increases, make slider two slide clockwise in the circular pipe and expose the corresponding connector, when the gas flow becomes small, the wind shield is not pushed by gas, the pulling rope contracts to drive the first sliding block and the second sliding block to slide anticlockwise in the circular tube and drive the rotating rod to rotate anticlockwise, the connecting rod rotates anticlockwise in the groove, the second sliding block covers the corresponding connecting port to stop the corresponding atomizer, at the moment, the four atomizers work, the gas flow is continuously weakened, the pulling rope increases the contraction state, the first sliding block and the second sliding block rotate anticlockwise in the circular tube, the first sliding block covers the corresponding connecting port to stop the corresponding atomizer, at the moment, only two atomizers work, when impurities generated by mixing of flue gas and atomized water mist fall into the ash bucket under the influence of self gravity, discharge through waste fitting discharging, when gas fume purification finishes, stop to the water inlet water delivery for the atomizer stop work, what of atomizing water smoke can be controlled according to gas flow's size to this device, environmental protection and energy saving, and the symmetrical design of atomizer makes atomizing water smoke coverage area big.

Preferably, the sewage discharging device comprises a sewage discharging pipeline and a sealing gasket, the sewage discharging pipeline is fixedly connected below the ash bucket, and the sealing gasket is positioned between the sewage discharging pipeline and the ash bucket and is fixedly connected with the sewage discharging pipeline and the ash bucket.

Adopt above-mentioned technical scheme, sewage pipes can control impurity and discharge from the ash bucket, and sealed the leakproofness that can strengthen between sewage pipes and the ash bucket for impurity can not ooze from the junction.

Preferably, the upper end of the inner wall of the shell is fixedly provided with a water baffle.

By adopting the technical scheme, the water baffle can avoid splashing of water foam, and the obtained gas is dry.

Preferably, a filter screen is fixedly arranged below the water baffle.

By adopting the technical scheme, the filter screen can purify the gas for the second time, so that the gas is purer.

Preferably, sealing rings are fixedly arranged between the water inlet, the air outlet and the shell.

By adopting the technical scheme, the sealing ring is arranged, so that the water inlet can not leak water, the air inlet and the air outlet can not leak air, and the sealing performance is good.

Preferably, a plurality of support rods are uniformly and fixedly arranged at the upper end of the side wall of the ash bucket, and rubber pads are arranged at the bottom ends of the support rods.

Adopt above-mentioned technical scheme, can provide the stationarity for the device through the setting of bracing piece, make sewage pipes leave ground, make things convenient for the blowdown, the rubber pad has increased the frictional force with ground, the condition that can not appear rocking in the use.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of a side view of the embodiment;

FIG. 3 is a cross-sectional view of a top view of the embodiment;

FIG. 4 is a cross-sectional view of an embodiment showing a spacing hole.

Reference numerals: 1. a housing; 2. an ash hopper; 3. an air outlet; 4. a water inlet; 5. an air inlet; 6. a groove; 7. a circular tube; 8. an inner tube; 9. a connecting port; 10. an atomizer; 11. a first sliding block; 12. a second sliding block; 13. fixing the rod; 14. a tension rope; 15. a limiting hole; 16. rotating the rod; 17. a connecting rod; 18. a wind-shielding sheet; 19. a sewage draining device; 20. a blowdown line; 21. a gasket; 22. a water baffle; 23. a filter screen; 24. a seal ring; 25. a support bar; 26. and (7) a rubber pad.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.

Referring to fig. 1 to 4, a flue gas water-spraying atomization cooling device of an electric-bag composite dust collector comprises a shell 1 and an ash bucket 2 fixedly connected below the shell 1, wherein the top end of the shell 1 is provided with an air outlet 3, the middle part of one side of the shell 1 is provided with a water inlet 4, the bottom of one side of the shell 1 is provided with an air inlet 5, sealing rings 24 are fixedly arranged between the water inlet 4, the air inlet 5 and the air outlet 3 and the shell 1, and the sealing rings 24 are arranged, make water inlet 4 can not leak for air inlet 5 and gas outlet 3 can not leak gas, and the leakproofness is good, and air inlet 5 sets up fluted 6 corresponding casing 1's inner wall, and water inlet 4 corresponds casing 1's inner wall and is fixed with circular duct 7, and the internal rotation of circular duct 7 is provided with inner tube 8, and six connectors 9 have evenly been seted up to circular duct 7 bottom, and connectors 9 fixedly connected with atomizer 10 and atomizer 10 are located the 7 bottom surface outsides of circular duct.

When in use, a user supplies water to the water inlet 4, so that the water enters the circular pipe 7 and flows into the atomizer 10 through the two symmetrical connecting ports 9, the atomizer 10 atomizes the water and gives off the water downwards, the first sliding blocks 11 are arranged above the two symmetrical connecting ports 9, the first sliding blocks 11 are connected in the circular pipe 7 in a sliding manner, the second sliding blocks 12 are arranged above the other two symmetrical connecting ports 9, the length of the second sliding blocks 12 is twice that of the first sliding blocks 11, the second sliding blocks 12 are connected in the circular pipe 7 in a sliding manner, the front ends of the inner pipe 8, corresponding to the first sliding blocks 11 and the second sliding blocks 12, on the side surfaces of the first sliding blocks 11 and the second sliding blocks 12 are provided with limiting holes 15, the rotating rods 16 are inserted in the limiting holes 15, one ends of the rotating rods 16 are fixedly connected to the front ends of the corresponding first sliding blocks 11 or the second sliding blocks 12, the other ends of the rotating rods 16 are fixedly connected with connecting rods 17, the lower ends of the side walls of the connecting rods 17 are fixedly connected with a plurality of wind blocking sheets 18, and the wind blocking sheets 18 are matched in the grooves 6 in a sliding manner, the gaseous flue gas that the gas inlet 5 inserts needs to purify promotes the deep bead when gaseous flue gas increases, and the deep bead receives gas thrust clockwise rotation in recess 6, and it is rotatory to drive connecting rod 17, and connecting rod 17 drives the rotatory and rotatory inner tube 8 rotation that drives of rotary rod 16 when rotary rod 16 is rotatory, and rotary rod 16 drives one end fixed connection's slider 11 and two 12 sliders clockwise slides in circular tube 7.

The rear ends of the first sliding block 11 and the second sliding block 12 are provided with fixing rods 13, the fixing rods 13 are fixed on the inner side of the bottom surface of the circular tube 7, the rear ends of the first sliding block 11 and the second sliding block 12 are fixedly connected with tension ropes 14, one ends of the tension ropes 14 are fixedly connected with the fixing rods 13, so that the tension ropes 14 stretch and extend, the gas flow is increased, the first sliding block 11 continuously slides in the circular tube 7 to leak out the corresponding connecting ports 9, water enters the atomizers 10 to be atomized, at the moment, the four atomizers 10 perform atomization work, when the gas flow is continuously increased, the second sliding block 12 clockwise slides in the circular tube 7 to expose the corresponding connecting ports 9, the water enters the atomizers 10 to be atomized, and at the moment, all six atomizers 10 can perform atomization work.

The fixed filter screen 23 that is provided with in breakwater 22 below, filter screen 23 can carry out secondary purification to gas for gas is purer, and casing 1 inner wall upper end fixed mounting has breakwater 22, and breakwater 22 can avoid the water foam to splash, and the gas that obtains is more dry, and the gas through breakwater 22 is exported from gas outlet 3.

When the gas flow becomes little, the deep bead is not receiving gas thrust, 14 contractions of pulling force rope drive slider 11 and slider two 12 and slide in circular pipe 7 anticlockwise, drive rotary rod 16 anticlockwise rotation, make connecting rod 17 anticlockwise rotation, make the deep bead anticlockwise rotation in recess 6, make slider two 12 cover corresponding connector 9 and make corresponding atomizer 10 stop work, four atomizer 10 carry out work this moment, gas flow lasts to weaken, pulling force rope 14 increases the contraction state, make slider 11 and slider two 12 anticlockwise rotation in circular pipe 7, make slider 11 cover corresponding connector 9, make corresponding atomizer 10 stop work, only two atomizer 10 carry out work this moment.

Fixed waste fitting discharging 19 that is provided with in ash bucket 2 below, waste fitting discharging 19 includes sewage pipes 20 and sealed pad 21, sewage pipes 20 fixed connection is in ash bucket 2 below, sealed pad 21 be located between sewage pipes 20 and the ash bucket 2 and with sewage pipes 20 and ash bucket 2 fixed connection, impurity that produces when flue gas and atomized water fog mix receives self gravity to influence and falls into ash bucket 2, sewage pipes 20 can control impurity and discharge from ash bucket 2, sealed pad 21 can strengthen the leakproofness between sewage pipes 20 and the ash bucket 2, make impurity can not ooze from the junction.

A plurality of bracing pieces 25 are evenly fixed and are provided with in 2 lateral walls upper ends of ash bucket, and bracing piece 25 bottom is provided with rubber pad 26, can provide the stationarity for the device through setting up of bracing piece 25, makes sewage pipes 20 leave ground, makes things convenient for the blowdown, and rubber pad 26 has increased the frictional force with ground, the condition that can not appear rocking in the use.

When the gas fume purification finishes, stop 4 water deliveries to the water inlet for atomizer 10 stop work, what of atomizing water smoke can be controlled according to gas flow's size to this device, and environmental protection and energy saving, the symmetrical design of atomizer 10 makes atomizing water smoke coverage area big.

Claims

1. The flue gas water spraying atomization cooling device of the electric bag composite dust remover comprises a shell (1) and an ash bucket (2) fixedly connected below the shell (1), and is characterized in that a gas outlet (3) is formed in the top end of the shell (1), a water inlet (4) and a gas inlet (5) are formed in the middle of one side of the shell (1), a groove (6) is formed in the inner wall of the gas inlet (5) corresponding to the shell (1), a circular pipe (7) is fixed on the inner wall of the water inlet (4) corresponding to the shell (1), an inner pipe (8) is rotationally arranged in the circular pipe (7), six connectors (9) are uniformly formed in the bottom of the circular pipe (7), the connectors (9) are fixedly connected with atomizers (10) and the atomizers (10) are located on the outer side of the bottom surface of the circular pipe (7), two symmetries are formed above the connectors (9) and provided with a sliding block (11), the first sliding block (11) is connected in the circular tube (7) in a sliding manner, the second sliding block (12) is arranged above the other two connecting ports (9) symmetrically, the length of the second sliding block (12) is twice of that of the first sliding block (11), the second sliding block (12) is connected in the circular tube (7) in a sliding manner, a fixing rod (13) is arranged at the rear ends of the first sliding block (11) and the second sliding block (12), the fixing rod (13) is fixed on the inner side of the bottom surface of the circular tube (7), a tension rope (14) is fixedly connected at the rear ends of the first sliding block (11) and the second sliding block (12), one end of the tension rope (14) is fixedly connected with the fixing rod (13), a limiting hole (15) is formed in the front end of the inner tube (8) corresponding to the side surfaces of the first sliding block (11) and the second sliding block (12), a rotating rod (16) is inserted into the limiting hole (15), and one end of the rotating rod (16) is fixedly connected to the front end of the corresponding first sliding block (11) or the second sliding block (12), the other end of the rotating rod (16) is fixedly connected with a connecting rod (17), the lower end of the side wall of the connecting rod (17) is fixedly connected with a plurality of wind-blocking sheets (18), the wind-blocking sheets (18) are in sliding fit with the inner part of the groove (6), and a pollution discharge device (19) is fixedly arranged below the ash bucket (2).

2. The electric-bag composite dust collector flue gas water-spraying atomization cooling device as claimed in claim 1, wherein the pollution discharge device (19) comprises a pollution discharge pipeline (20) and a sealing gasket (21), the pollution discharge pipeline (20) is fixedly connected below the ash bucket (2), and the sealing gasket (21) is located between the pollution discharge pipeline (20) and the ash bucket (2) and fixedly connected with the pollution discharge pipeline (20) and the ash bucket (2).

3. The flue gas water-spraying atomizing cooling device of the electric-bag composite dust collector as claimed in claim 2, wherein a water baffle (22) is fixedly installed at the upper end of the inner wall of the shell (1).

4. The electric-bag composite dust collector flue gas water-spraying atomizing cooling device as claimed in claim 3, wherein a filter screen (23) is fixedly arranged below the water baffle (22).

5. The electric-bag composite dust collector flue gas water-spraying atomizing cooling device as claimed in claim 4, wherein sealing rings (24) are fixedly arranged between the water inlet (4), the air inlet (5) and the air outlet (3) and the shell (1).

6. The flue gas water-spraying atomization cooling device of the electric-bag composite dust collector as claimed in claim 5, wherein a plurality of support rods (25) are uniformly and fixedly arranged at the upper end of the side wall of the ash bucket (2), and rubber pads (26) are arranged at the bottom ends of the support rods (25).