CN211988025U

CN211988025U - Clarifier for flue gas desulfurization

Info

Publication number: CN211988025U
Application number: CN202020556392.0U
Authority: CN
Inventors: 钟滨滨
Original assignee: Weifang Yexing New Type Building Material Co ltd
Current assignee: Weifang Yexing New Type Building Material Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-24
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a clarifier for flue gas desulfurization, including the chimney, two first supports that set up about the chimney symmetry of chimney lateral wall fixedly connected with, the vertical bracing piece of first support fixedly connected with, the bracing piece top is rotated and is connected with and turns over the board, and two turn over the board and can cover the inseparable sealing of chimney terminal surface, turn over the board one side of keeping away from each other and be connected with the jack-up unit, are provided with the desulfurization unit in the chimney, are provided with the catalysis unit of grid form in the desulfurization unit, and desulfurization unit bottom lateral wall intercommunication has the ammonia pipeline. The utility model can be quickly opened when the chimney is in failure by arranging the plate turnover mechanism with the balancing weight, so that the smoke in the coke oven can be quickly discharged, and the safety of coke oven production is ensured; the utility model discloses a set up the angle that the board was opened can be turned over in actual production to the control of stroke adjustable cylinder, and then can adjust according to concrete demand, and adjust and need not artifical manual regulation, alleviateed workman's intensity of labour greatly.

Description

Clarifier for flue gas desulfurization

Technical Field

The utility model relates to a flue gas desulfurization technical field especially relates to a clarifier for flue gas desulfurization.

Background

In industrial production, a large amount of industrial flue gas is generated, the industrial flue gas often contains a plurality of harmful substances, the harmful substances are mainly sulfur-containing substances such as carbon disulfide, hydrogen sulfide and the like, the harmful substances are treated when the industrial flue gas is discharged, the harmful substances such as sulfide and the like in the flue gas are removed, and the industrial flue gas can be discharged into the atmosphere after reaching the national standard.

But mainly there is panel turnover mechanism among the useless processing system of present industry to open speed too slow, opens almost 3 minutes when will using completely, can't in time get rid of the coke oven flue gas and have certain potential safety hazard under emergency, directly sprays the humidity that the aqueous ammonia can make flue gas among the desulfurization system too big in the past at the flue gas desulfurization in-process simultaneously, and then can cause the influence to desulfurization catalyst, reduces desulfurization effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the opening speed of the turnover plate mechanism is too slow and the ammonia water is directly sprayed in the desulfurization process to cause the poor desulfurization effect in the prior art, and providing a clarifier for flue gas desulfurization.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a clarifier for flue gas desulfurization, includes the chimney, chimney lateral wall fixedly connected with two first supports that set up about the chimney symmetry, the vertical bracing piece of first support fixedly connected with, the bracing piece top is rotated and is connected with and turns over the board, two turn over the board and can cover the inseparable sealing of chimney terminal surface, the one side of turning over the board and keeping away from each other is connected with the jack-up unit, be provided with the desulfurization unit in the chimney, be provided with grid-shaped catalytic unit in the desulfurization unit, desulfurization unit bottom lateral wall intercommunication has the ammonia pipeline, ammonia pipeline other end intercommunication has the evaporation heat exchanger.

Preferably, the hoisting unit includes the fixed strip with chimney lateral wall fixed connection, fixedly connected with cylinder on the fixed strip, cylinder output end fixedly connected with and fixed strip sliding connection's pulley spare, sliding connection has the cable on the pulley spare, the cable upper end with turn over board fixed connection, cable lower extreme fixedly connected with balancing weight.

Preferably, the cylinder is controlled by a solenoid valve and has an adjustable stroke.

Preferably, the evaporation heat exchanger comprises an ammonia gas generation chamber, ammonia water is arranged in the ammonia gas generation chamber, and an ammonia water inlet and a wastewater outlet are respectively formed in the side wall of the ammonia gas generation chamber from top to bottom.

Preferably, the bottom wall of the ammonia gas generating chamber is communicated with a U-shaped pipeline, and the other side of the U-shaped pipeline is communicated with a steam pipeline.

Preferably, high-temperature steam at 50-200 ℃ is introduced into the steam pipeline.

Preferably, the ammonia gas generation chamber has an ammonia water concentration of 9%.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model can be quickly opened by arranging the turning plate mechanism with the balancing weight, the complete opening time is 15-20 seconds in the actual operation, the opening speed of the turning plate is greatly improved, and the turning plate can be quickly opened when the chimney breaks down, so that the smoke in the coke oven is quickly discharged, and the safety of coke oven production is ensured;

2. the utility model can control the opening angle of the turnover plate in actual production by arranging the stroke-adjustable cylinder, and further can adjust according to specific requirements, and the adjusting process does not need manual operation, thereby greatly reducing the labor intensity of workers;

3. the utility model discloses a set up evaporation heat exchanger and can realize that steam wraps up in and is holding the ammonia and participate in the desulfurization process, avoided directly spraying the aqueous ammonia, and then can avoid flue gas humidity too big influence the effect of catalyst in the desulfurization process, and then can make desulfurization efficiency can great promotion;

4. the utility model discloses a set up U type pipeline and can prevent effectively that the ammonia water in the ammonia produces the room from flowing into steam conduit and causing harmful effects.

Drawings

FIG. 1 is a schematic view of the overall structure of a clarifier for flue gas desulfurization according to the present invention;

fig. 2 is the schematic diagram of the internal structure of the evaporation heat exchanger in the clarifier for flue gas desulfurization provided by the utility model.

In the figure: the device comprises a chimney 1, a first support 2, a support rod 3, a turning plate 4, a hoisting unit 5, a desulphurization unit 6, a catalysis unit 7, an ammonia gas pipeline 8, an evaporation heat exchanger 9, a fixing strip 10, an air cylinder 11, a pulley 12, a cable 13, a balancing weight 14, an ammonia gas generation chamber 15, an ammonia water inlet 16, a wastewater outlet 17, a U-shaped pipeline 18 and a steam pipeline 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a clarifier for flue gas desulfurization, including chimney 1, chimney 1 lateral wall fixedly connected with two first supports 2 that set up about chimney 1 symmetry, the vertical bracing piece 3 of first support 2 fixedly connected with, 3 top rotating connections of bracing piece have turns over board 4, two turn over board 4 can cover the inseparable cover of chimney 1 terminal surface, it is connected with hoisting unit 5 to turn over one side that board 4 kept away from each other, be provided with desulfurization unit 6 in the chimney 1, be provided with grid-shaped catalytic unit 7 in the

desulfurization unit

6, 6 bottom lateral walls of desulfurization unit intercommunication have ammonia pipeline 8, the ammonia pipeline 8 other end intercommunication has evaporative heat exchanger 9.

Specifically, hoisting unit 5 includes the fixed strip 10 with 1 lateral wall fixed connection of chimney, fixedly connected with cylinder 11 on the fixed strip 10, the 11 models of cylinder are SC100 × 100-20, 11 output end fixedly connected with of cylinder 12 with fixed strip 10 sliding connection's pulley 12, sliding connection has cable 13 on the

pulley

12, 13 upper ends of cable with turn over 4 fixed connection of board, 13 lower extreme fixedly connected with balancing weight 14 of cable, balancing weight 14 will produce a pulling force through cable 13 to turning over board 4 and make to turn over board 4 and rotate around bracing piece 3.

It is worth mentioning that the cylinder 11 is controlled by the solenoid valve and the cylinder 11 of stroke adjustable, can drive pulley spare 12 through cylinder 11 and slide on fixed strip 10, and then can change the angle of 13 pulling power of turning over board 4 of cable, and then can change the size that cable 13 draws power to turning over board 4 downward direction, and then can change and turn over board 4 pivoted angle.

Specifically, the evaporation heat exchanger 9 includes an ammonia gas generation chamber 15, ammonia water is provided in the ammonia gas generation chamber 15, an ammonia water inlet 16 and a waste water outlet 17 are provided on the side wall of the ammonia gas generation chamber 15 from top to bottom, the ammonia water enters the ammonia gas generation chamber 15 from the ammonia water inlet 16, and the ammonia water with a lower concentration is discharged from the waste water outlet 17 to the ammonia gas generation chamber 15.

It is worth mentioning that the bottom wall of the ammonia gas generating chamber 15 is communicated with a U-shaped pipeline 18, the other side of the U-shaped pipeline 18 is communicated with a steam pipeline 19, and the U-shaped pipeline 18 can effectively prevent ammonia water in the ammonia gas generating chamber 15 from entering the steam pipeline 19 to cause adverse effects.

It is worth mentioning that high-temperature steam of 150-200 ℃ is introduced into the steam pipeline 19.

It is worth mentioning that the ammonia water concentration in the ammonia gas generation chamber 15 is 19%.

The working principle is as follows:

the utility model discloses during the use, at first high temperature steam passes U type pipeline 18 from steam conduit 19 and enters into ammonia and produce the room 15, high temperature steam enters into ammonia and produces the ammonia evaporation in the room 15 after can making ammonia produce the room 15, and be wrapped up by high temperature steam and carry and mix the participation desulfurization reaction with the flue gas in entering into desulfurization unit 6, this kind of mode can avoid directly spraying the mode of aqueous ammonia effectively, and then can prevent the too high catalytic effect who influences the catalyst of humidity in the flue gas, and then can improve flue gas desulfurization efficiency effectively.

Simultaneously through the work of control cylinder 11, cylinder 11 will drive pulley spare 12 and slide on fixed strip 10, and then can make cable 13 with pulley spare 12 sliding connection constantly change the pulling force direction of turning over board 4 effectively, and then make cable 13 constantly change to turning over the vertical decurrent pulling force of board 4, and then can control the angle that turns over board 4 and be pulled, the in-process mainly is that balancing weight 14 provides the pulling force, can be very fast make turn over board 4 and open, and then can in time discharge the flue gas in the coke oven when the coke oven trouble, ensure the security of production.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a clarifier for flue gas desulfurization, includes chimney (1), its characterized in that, chimney (1) lateral wall fixedly connected with two first supports (2) about chimney (1) symmetry setting, vertical bracing piece (3) of first support (2) fixedly connected with, bracing piece (3) top is rotated and is connected with and turns over board (4), two turn over board (4) and can cover the inseparable cover of chimney (1) terminal surface, the one side of turning over board (4) and keeping away from each other is connected with hoisting unit (5), be provided with desulfurization unit (6) in chimney (1), be provided with grid-like catalytic unit (7) in desulfurization unit (6), desulfurization unit (6) bottom lateral wall intercommunication has ammonia pipeline (8), ammonia pipeline (8) other end intercommunication has evaporative heat exchanger (9).

2. The clarifier for flue gas desulfurization according to claim 1, wherein the hoisting unit (5) comprises a fixing strip (10) fixedly connected with the outer side wall of the chimney (1), a cylinder (11) is fixedly connected to the fixing strip (10), a pulley piece (12) slidably connected with the fixing strip (10) is fixedly connected to the output end of the cylinder (11), a cable (13) is slidably connected to the pulley piece (12), the upper end of the cable (13) is fixedly connected with the turning plate (4), and a balancing weight (14) is fixedly connected to the lower end of the cable (13).

3. A clarifier for flue gas desulfurization according to claim 2, wherein the cylinder (11) is a solenoid-controlled cylinder (11) with adjustable stroke.

4. The clarifier for flue gas desulfurization according to claim 1, wherein the evaporation heat exchanger (9) comprises an ammonia gas generation chamber (15), ammonia water is provided in the ammonia gas generation chamber (15), and the side wall of the ammonia gas generation chamber (15) is respectively provided with an ammonia water inlet (16) and a waste water outlet (17) from top to bottom.

5. The clarifier for flue gas desulfurization according to claim 4, wherein the lower bottom wall of the ammonia gas generation chamber (15) is communicated with a U-shaped pipeline (18), and the other side of the U-shaped pipeline (18) is communicated with a steam pipeline (19).

6. The clarifier for flue gas desulfurization according to claim 5, wherein the steam pipeline (19) is internally filled with high-temperature steam of 150-200 ℃.

7. The clarifier for flue gas desulfurization according to claim 4, wherein the ammonia gas generation chamber (15) has an ammonia water concentration of 19%.