CN214745868U

CN214745868U - Convenient-ash-cleaning smoke treatment device for biomass power generation

Info

Publication number: CN214745868U
Application number: CN202120908700.6U
Authority: CN
Inventors: 张嘉嘉
Original assignee: Sichuan Electric Power Design Institute Co ltd
Current assignee: Sichuan Electric Power Design Institute Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-16
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a flue gas treatment device for biomass power generation, which is convenient for ash removal and comprises a water tank, wherein the side wall of the water tank is of a hollow structure; the ash removal mechanism is arranged on the left side of the recovery pipe; the desulfurizing tower is arranged on the right side of the water tank, and a stirring mechanism is arranged at the lower end in the desulfurizing tower; the drain pipe, the drain pipe is installed at the inside right side lower extreme of desulfurizing tower, and the right-hand member bolted connection of drain pipe is at the front end of second water pump, the rear end bolted connection of second water pump has the shower, and the upper end threaded connection of shower has atomizer, the oxygen-increasing machine is installed to the right lower extreme of desulfurizing tower. This make things convenient for flue gas processing apparatus for biomass power generation of deashing not only is convenient for let the flue gas fully with waste heat recovery water tank in the water contact, lets solution and oxygen intensive mixing moreover easily, prevents that the ashes that contain from gluing on the inner wall of recovery tube simultaneously, conveniently clears up ashes.

Description

Convenient-ash-cleaning smoke treatment device for biomass power generation

Technical Field

The utility model relates to a biomass power generation correlation technique field specifically is a flue gas treatment device for biomass power generation of convenient deashing.

Background

At present, power generation modes are various, biomass power generation is one of the power generation modes, agricultural and forestry wastes and the like are used as fuels to be combusted for power generation, a large amount of smoke is generated in the power generation process, and the smoke needs to be treated and then discharged in order to prevent sulfur dioxide harmful gas contained in the smoke from polluting the environment.

However, if the chinese utility model patent with the publication number CN206724215U and the publication date 2017-12-08 discloses a flue gas treatment device for a biomass fuel power plant, which comprises a biomass fuel combustion boiler, a waste heat recovery device and a flue gas desulfurization tower, wherein the top of the biomass fuel combustion boiler is connected with the waste heat recovery device through an exhaust pipe, and a waste heat recovery water tank is arranged inside the waste heat recovery device. The utility model discloses a waste heat recovery device who sets up, can carry out waste heat recovery to the high temperature flue gas that biomass fuel burning boiler produced, send waste heat recovery water tank's warm water to the absorbent solution pond in atomize and spray the usefulness, can improve the absorption of sulfur element in absorbent solution to the flue gas, improve desulfurization efficiency, and reduce the cost of desulfurization, resources are saved, through setting up the oxygen-increasing machine on absorbent solution pond, and the stirring paddle leaf that sets up in the absorbent solution pond, the oxygen content of multiplicable absorbent solution, guarantee the even of absorbent solution oxygen content, thereby the ability of sulfur element in the absorbent solution absorption flue gas is strengthened.

The prior art scheme among the aforesaid has following defect, let flue gas and waste heat recovery water tank contact through flue gas circulation passageway and carry out waste heat recovery, but the interior water contact's of flue gas and waste heat recovery water tank is not abundant, and driving motor directly places easily in absorbent solution pond and is damaged, stir the thick liquid to the not abundant of solution and oxygen mixture, ashes that contain in the flue gas simultaneously glue easily on the inner wall of recovery tube, inconvenient clearance causes the recovery tube to block up, consequently, we propose a flue gas treatment device for biomass power generation who makes things convenient for the deashing, so that solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make things convenient for flue gas processing apparatus for biomass power generation of deashing to solve most of flue gas processing apparatus for biomass power generation that proposes in the above-mentioned background art, not only be not convenient for let the flue gas fully with waste heat recovery water tank in the water contact, be difficult to moreover let solution and oxygen intensive mixing, the ashes that contain in the flue gas glue easily on the inner wall of collector pipe simultaneously, inconvenient clearance causes the problem that the collector pipe blockked up.

In order to achieve the above object, the utility model provides a following technical scheme: a flue gas treatment device convenient for dust removal and used for biomass power generation comprises a water tank, wherein the side wall of the water tank is of a hollow structure, heat-insulating cotton is filled in the hollow structure, and a recovery pipe is connected to the inner part of the water tank through a bolt;

the ash removal mechanism is arranged on the left side of the recovery pipe, and the first connecting piece is fixedly connected to the left upper end of the recovery pipe;

the desulfurization tower is arranged on the right side of the water tank, the left end of the interior of the desulfurization tower is connected with the right end of the recovery pipe in a penetrating manner, the lower end of the interior of the desulfurization tower is provided with a stirring mechanism, and the bottom end of the desulfurization tower is connected with a motor through a bolt;

the drain pipe, the drain pipe is installed at the inside right side lower extreme of desulfurizing tower, and the right-hand member bolted connection of drain pipe is at the front end of second water pump to the lower extreme bolted connection of shower is in the rear end of second water pump, the rear end bolted connection of second water pump has the shower, and the upper end threaded connection of shower has atomizer, and wherein the well upper end threaded connection of shower has the shower head, the oxygen-increasing machine is installed to the right lower extreme of desulfurizing tower.

Preferably, the recovery pipe is the inside of bending form distribution at the water tank, and first connecting piece passes through the recovery pipe and constitutes the connectivity with the desulfurizing tower to the interval size at first connecting piece and second connecting piece inner equals with the thickness size of filter screen.

Preferably, the upper end and the lower end of the filter screen, the upper end of the first connecting piece and the lower end of the second connecting piece are fixedly connected with limiting rods, the limiting rods are connected to a connecting plate in a penetrating mode, and the connecting plate is arranged in an up-and-down symmetrical mode relative to a transverse central axis of the filter screen;

wherein, the longitudinal section of connecting plate is the arc structure, and is connected through the bolt between the upper and lower both ends monomer of connecting plate to the collection frame has been placed to the downside of connecting plate.

Preferably, the width dimension of collecting the frame is greater than the diameter dimension of filter screen, and the right-hand member integration of collecting the frame is connected with the installation piece to the installation piece snap-fit is connected in the inside of connecting seat, and the cross sectional shape of installation piece and the inside cross sectional shape of connecting seat are "T" style of calligraphy structure simultaneously, and the right-hand member fixed connection of connecting seat is on the left wall of water tank.

Preferably, the connecting axle is installed to the upper end of motor, and the connecting axle rotates the inside lower extreme of connecting at the desulfurizing tower, the surface of connecting axle is the even fixedly connected with puddler of equidistance, and wherein the longitudinal section of puddler is "dry" style of calligraphy structure.

Preferably, water tank, drinking-water pipe and desulfurizing tower are linked together, and the inner bolted connection of drinking-water pipe has first water pump, the drinking-water pipe of first water pump rear end is installed at the inside left lower extreme of desulfurizing tower, and the porous tray of alloy is installed the inside middle-end of desulfurizing tower.

Compared with the prior art, the beneficial effects of the utility model are that: the flue gas treatment device convenient for dust removal for biomass power generation not only facilitates the flue gas to be fully contacted with water in the waste heat recovery water tank, but also facilitates the solution and oxygen to be fully mixed, and simultaneously prevents ashes contained in the flue gas from being adhered to the inner wall of the recovery pipe, thereby facilitating the ash removal;

1. the recovery pipe and the heat insulation cotton are arranged, the recovery pipe is distributed in the water tank in a bent mode, the retention time of the flue gas in the water tank can be prolonged through the recovery pipe, and the heat insulation cotton is filled in the hollow structure in the side wall of the water tank, so that the heat insulation cotton can insulate the water in the water tank, and the flue gas can be in full contact with the water in the waste heat recovery water tank;

2. the stirring mechanism is arranged, and stirring rods are uniformly and fixedly connected with the outer surface of the connecting shaft at equal angles, so that when the connecting shaft drives the stirring rods to rotate, the stirring rods in a dry-shaped structure are used for fully mixing the solution and the oxygen;

3. be equipped with the deashing mechanism, the through connection of connecting plate and gag lever post for after the bolt at both ends takes out around the connecting plate, can separate between the monomer about the connecting plate, the interval size of first connecting piece and second connecting piece inner equals with the thickness size of filter screen, make the filter screen and the separation of second connecting piece fall in the inside of collecting the frame, the block of installation piece and connecting seat is connected, make and collect the frame and can take away and carry out the deashing to the filter screen.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the second connecting member of the present invention connected to the filter net;

FIG. 3 is a schematic view of the left side view cross section structure of the connection plate and the limiting rod of the present invention;

FIG. 4 is a schematic view of the connection structure of the mounting block and the connecting seat of the present invention;

fig. 5 is a schematic view of the overlooking structure of the connection shaft and the stirring rod of the present invention.

In the figure: 1. a water tank; 2. heat preservation cotton; 3. a recovery pipe; 4. a dust removal mechanism; 401. a first connecting member; 402. a filter screen; 403. a second connecting member; 404. a limiting rod; 405. a connecting plate; 406. a connecting seat; 407. mounting blocks; 408. a collection frame; 5. a water pumping pipe; 6. a first water pump; 7. a desulfurizing tower; 8. a stirring mechanism; 801. a connecting shaft; 802. a stirring rod; 803. a motor; 9. a drain pipe; 10. a second water pump; 11. a shower pipe; 12. an atomizing spray head; 13. a shower head; 14. an alloy porous tray; 15. an aerator.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a flue gas treatment device convenient for dust removal for biomass power generation comprises a water tank 1, heat preservation cotton 2, a recovery pipe 3, a dust removal mechanism 4, a water pumping pipe 5, a first water pump 6, a desulfurizing tower 7, a stirring mechanism 8, a water discharging pipe 9, a second water pump 10, a spraying pipe 11, an atomizing spray head 12, a spraying head 13 and an alloy porous tray 14, wherein when the flue gas treatment device convenient for dust removal for biomass power generation is used, the flue gas enters the interior of the recovery pipe 3 which is distributed in a bent shape through a second connecting piece 403 and a first connecting piece 401 by combining with a graph 1 and a graph 2, ash contained in the flue gas is filtered through a filter screen 402, so that the ash can enter the recovery pipe 3 and is adhered to the inner wall of the recovery pipe 3, the shape of the recovery pipe 3 in the water tank 1 can increase the time of the flue gas remaining in the recovery pipe 3, and the water in the water tank 1 can fully absorb waste heat in the flue gas, the water in the water tank 1 is insulated by the insulation cotton 2, and the flue gas in the recovery pipe 3 enters the middle and lower ends of the inside of the desulfurizing tower 7 through the right end of the recovery pipe 3;

referring to fig. 1 and 5, when the first water pump 6 works, warm water in the water tank 1 is pumped to the lower end inside the desulfurization tower 7 through the water pumping pipe 5, the warm water and the absorbent solution at the lower end inside the desulfurization tower 7 are allowed to absorb sulfur elements in flue gas because water at a certain temperature can improve absorption of the absorbent solution to the sulfur elements in the flue gas, when the aerator 15 works, oxygen is delivered to the absorbent solution at the lower end inside the desulfurization tower 7, the motor 803 works to drive the connecting shaft 801 to rotate, the connecting shaft 801 drives the stirring rod 802 of the dry-shaped structure arranged at an equal angle to rotate, the oxygen, the warm water and the solution are uniformly mixed together, the flue gas at the middle and lower end inside the desulfurization tower 7 increases the content of the oxygen in the flue gas through the forced oxidation area arranged at the middle end inside the desulfurization tower 7, the sulfur content in the flue gas is diluted, when the second water pump 10 works, the mixed flue gas is easily pumped to the inside the spraying pipe 11, spraying the solution on an alloy porous tray 14 through an atomizing nozzle 12 and a spray head 13 to absorb sulfur elements in the flue gas, and discharging the desulfurized flue gas through the upper end of a desulfurizing tower 7;

with reference to fig. 1, fig. 2, fig. 3 and fig. 4, when ash removal needs to be performed on the filter screen 402, bolts at the front end and the rear end of the limiting rod 404 are taken out, two sets of connecting plates 405 are pulled towards the outer end, the single connecting plates 405 are separated from the limiting rod 404 respectively, the filter screen 402 is pressed towards the lower end, the filter screen 402 is separated from the inner ends of the second connecting piece 403 and the first connecting piece 401, so that the filter screen 402 falls inside the collecting frame 408, ash on the filter screen 402 is prevented from dropping, the collecting frame 408 is pulled towards the upper end, the mounting block 407 is separated from the connecting seat 406, ash removal is performed on the collecting frame 408 and the filter screen 402, and the working principle of the biomass power generation flue gas processing device convenient for ash removal is described.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a make things convenient for flue gas processing apparatus for biomass power generation of deashing which characterized in that includes:

the water tank comprises a water tank (1), wherein the side wall of the water tank (1) is of a hollow structure, heat-insulating cotton (2) is filled in the hollow structure, and a recovery pipe (3) is connected to the inside of the water tank (1) through bolts;

the ash removal mechanism (4) is arranged on the left side of the recovery pipe (3), and the first connecting piece (401) is fixedly connected to the upper left end of the recovery pipe (3);

the desulfurization tower (7) is arranged on the right side of the water tank (1), the left end inside the desulfurization tower (7) is connected with the right end of the recovery pipe (3) in a penetrating manner, the lower end inside the desulfurization tower (7) is provided with a stirring mechanism (8), and the bottom end of the desulfurization tower (7) is connected with a motor (803) through a bolt;

drain pipe (9), install the inside right side lower extreme at desulfurizing tower (7) drain pipe (9), and the right-hand member bolted connection of drain pipe (9) is at the front end of second water pump (10), and the lower extreme bolted connection of shower (11) is in the rear end of second water pump (10), the rear end bolted connection of second water pump (10) has shower (11), and the upper end threaded connection of shower (11) has atomizer (12), wherein the well upper end threaded connection of shower (11) has shower head (13), oxygen-increasing machine (15) are installed to the right lower extreme of desulfurizing tower (7).

2. The device for treating the flue gas for biomass power generation, which is convenient for ash removal, according to claim 1, is characterized in that: recovery tube (3) are the inside of crooked form distribution in water tank (1), and first connecting piece (401) constitute the intercommunication structure through recovery tube (3) and desulfurizing tower (7) to the interval size that first connecting piece (401) and second connecting piece (403) are inner equals with the thickness size of filter screen (402).

3. The device for treating the flue gas for biomass power generation, which is convenient for ash removal, according to claim 2, is characterized in that: the upper end and the lower end of the filter screen (402), the upper end and the lower end of the first connecting piece (401) and the lower end of the second connecting piece (403) are fixedly connected with limiting rods (404), the limiting rods (404) are connected to a connecting plate (405) in a penetrating mode, and the connecting plate (405) is arranged in an up-and-down symmetrical mode relative to a transverse central axis of the filter screen (402);

wherein, the longitudinal section of connecting plate (405) is arc structure, and is connected through the bolt between the both ends monomer about connecting plate (405) to collection frame (408) have been placed to the downside of connecting plate (405).

4. The device for treating the flue gas for biomass power generation, which is convenient for ash removal, according to claim 3, is characterized in that: the width dimension of collecting frame (408) is greater than the diameter dimension of filter screen (402), and the right-hand member integration of collecting frame (408) is connected with installation piece (407), and installation piece (407) block is connected in the inside of connecting seat (406), and the cross sectional shape of installation piece (407) and the inside cross sectional shape of connecting seat (406) are "T" style of calligraphy structure simultaneously, and the right-hand member fixed connection of connecting seat (406) is on the left wall of water tank (1).

5. The device for treating the flue gas for biomass power generation, which is convenient for ash removal, according to claim 1, is characterized in that: connecting axle (801) is installed to the upper end of motor (803), and connecting axle (801) rotate to be connected at the inside lower extreme of desulfurizing tower (7), the surface of connecting axle (801) is the even fixedly connected with puddler (802) of equidirectional angle, and wherein the longitudinal section of puddler (802) is "dry" style of calligraphy structure.

6. The device for treating the flue gas for biomass power generation, which is convenient for ash removal, according to claim 1, is characterized in that: the utility model discloses a desulfurization tower, including water tank (1), drinking-water pipe (5) and desulfurizing tower (7), and the inner bolted connection of drinking-water pipe (5) has first water pump (6), the lower extreme is installed at the inside left side of desulfurizing tower (7) in drinking-water pipe (5) of first water pump (6) rear end, and installs alloy porous tray (14) the inside middle-end of desulfurizing tower (7).