CN215996198U

CN215996198U - High-temperature desulfurization device for industrial boiler

Info

Publication number: CN215996198U
Application number: CN202121897460.0U
Authority: CN
Inventors: 李雄武
Original assignee: Songzi Kaidi Sunshine Bioenergy Development Co ltd
Current assignee: Songzi Kaidi Sunshine Bioenergy Development Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-11
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a high-temperature desulfurization device for an industrial boiler, belongs to the field of desulfurization equipment, and solves the problem that the existing desulfurization device is far away from the boiler and needs extra heating to cause high cost. This desulphurization unit is including installing the pipe of discharging fume at the boiler top, the tub top of discharging fume seal, discharge fume and manage outlying boiler top and install the desulfurization case that the pipe covered of discharging fume, the tub outer wall of discharging fume be equipped with a plurality of bleeder vents, desulfurization roof portion be equipped with the exhaust port of flue gas conveyer pipe intercommunication, desulfurization incasement wall still be equipped with the baffle, baffle and desulfurization case between be equipped with the electric heating board, the tub top of discharging fume be equipped with temperature sensor, temperature sensor and electric heating board electric connection, the baffle inner wall still be equipped with the injection pipe that the annular was arranged. The high-temperature desulfurization device for the industrial boiler can fully utilize the temperature of the flue gas which is just discharged out of the boiler, effectively reduce the desulfurization cost and improve the desulfurization efficiency.

Description

High-temperature desulfurization device for industrial boiler

Technical Field

The utility model relates to desulfurization equipment, in particular to a high-temperature desulfurization device for an industrial boiler.

Background

With the development of industry and the improvement of living standard of people, the desire for energy is increasing, and sulfur dioxide in coal-fired flue gas becomes a main cause of air pollution. The reduction of sulfur dioxide is a urgent priority in the treatment of the current atmospheric environment. Many flue gas desulfurization processes have been widely used in industry. At present, the mode of spraying lime milk is mainly adopted to the desulfurization of industrial boiler, but present industrial boiler desulphurization unit generally guides the flue gas that industrial boiler produced to the desulfurizing tower in and sprays lime milk, still have very far away between desulfurizing tower and the boiler, the flue gas is at the in-process of carrying, the temperature constantly reduces, when waiting to carry to the desulfurizing tower, because a large amount of heats have run off, the temperature of flue gas just does not just come out so high from the desulfurizing tower, when spraying the desulfurization, need additionally heat up, in order to accelerate the chemical reaction of desulfurization, will lead to the energy consumption to increase like this, the desulfurization cost also can increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a high-temperature desulfurization device for an industrial boiler, which can fully utilize the temperature of flue gas just discharged out of the boiler, effectively reduce the desulfurization cost and improve the desulfurization efficiency.

The technical scheme of the utility model is as follows: the utility model provides an industrial boiler high temperature desulphurization unit, is including installing the pipe of discharging fume at the boiler top, the tub top of discharging fume seal, the tub outlying boiler top of discharging fume install the desulfurization case that the pipe covered of will discharging fume, the tub outer wall of discharging fume be equipped with a plurality of bleeder vents, desulfurization roof portion be equipped with the exhaust port of flue gas conveyer pipe intercommunication, desulfurization incasement wall still be equipped with the baffle, baffle and desulfurization case between be equipped with the electrical heating board, the tub top of discharging fume be equipped with temperature sensor, temperature sensor and electrical heating board electric connection, the baffle inner wall still be equipped with the injection pipe that the annular was arranged, the injection pipe on be equipped with a plurality of atomizer rather than the intercommunication, the desulfurization incasement still be equipped with the vortex subassembly.

The improved smoke exhaust device is characterized in that the turbulence assembly comprises a fan blade, a rotating shaft and a plurality of stirring rods, the fan blade is installed in a smoke exhaust pipe below the air holes, the fan blade is connected with one end of the rotating shaft, a cross is installed on the inner wall of the smoke exhaust port, the other end of the rotating shaft penetrates through the smoke exhaust pipe and is connected with the cross through a bearing, the rotating shaft is connected with the smoke exhaust pipe through a sealing bearing, a connecting rod is arranged on the rotating shaft above the smoke exhaust pipe, and the stirring rods are installed at the bottoms of the two ends of the connecting rod.

Furthermore, the stirring rod is positioned between the partition plate and the smoke exhaust pipe and is positioned above the atomizing nozzle.

Furthermore, the top of the boiler in the desulfurization box is also provided with a conical bottom surface, the highest end of the conical bottom surface is connected with a smoke exhaust pipe, and the lowest end of the conical bottom surface is connected with the partition plate.

Furthermore, the desulfurization case outside be equipped with the blow off pipe, the one end of blow off pipe runs through desulfurization case, baffle in proper order and links up with the minimum one end of toper bottom surface mutually.

Furthermore, a valve is arranged on the sewage discharge pipe.

Advantageous effects

1. According to the high-temperature desulfurization device for the industrial boiler, the desulfurization box is arranged on the periphery of the exhaust pipe of the boiler, when the boiler works, flue gas is discharged from the exhaust pipe and is sprayed into the desulfurization box through the air holes, at the moment, slaked lime milk is sprayed out through the atomizing nozzle and contacts with the flue gas, timely contact reaction between the slaked lime milk and the flue gas is realized, the temperature of the flue gas just discharged out of the boiler can be fully utilized, in the desulfurization process, the temperature sensor detects the temperature in the desulfurization box in real time, when the temperature is lower than a certain temperature, the electric heating plate starts to work to heat mixed flue gas in the desulfurization box, the reaction temperature is kept within a proper temperature, the desulfurization cost is effectively reduced, and the desulfurization efficiency is improved.

2. According to the high-temperature desulfurization device for the industrial boiler, disclosed by the utility model, the turbulence component is arranged in the desulfurization box, and in the desulfurization process, high-speed flue gas discharged by the boiler is utilized to impact the fan blades and rotate the fan blades, so that the rotating shaft is driven to rotate, the connecting rod is driven to rotate, the stirring rod rotates in the desulfurization box, the mixed flue gas in the desulfurization box is stirred, the mixing effect of lime milk and the flue gas is further improved, and the desulfurization efficiency is further improved.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure inside the desulfurization tank in the present invention;

FIG. 3 is an enlarged schematic view of the cross in the top view.

Wherein: 1-boiler, 2-smoke exhaust pipe, 3-desulfurization box, 4-air vent, 5-clapboard, 6-electric heating plate, 7-temperature sensor, 8-injection pipe, 9-atomization nozzle, 10-fan blade, 11-rotation shaft, 12-stirring rod, 13-cross, 14-connecting rod, 15-conical bottom surface, 16-blow-off pipe and 17-valve.

Detailed Description

The utility model is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.

Referring to fig. 1-3, the high temperature desulfurization device for industrial boiler of the present invention comprises a smoke exhaust pipe 2 installed on the top of a boiler 1, wherein the top of the smoke exhaust pipe 2 is closed, so that the smoke can only exhaust from the ventilation holes 4 on the side wall of the smoke exhaust pipe 2, a desulfurization box 3 covering the smoke exhaust pipe 2 is installed on the top of the boiler 1 at the periphery of the smoke exhaust pipe 2, a plurality of ventilation holes 4 are provided on the outer wall of the smoke exhaust pipe 2, a smoke exhaust port communicated with a smoke conveying pipe is provided on the top of the desulfurization box 3, the smoke exhaust port is located right above the smoke exhaust pipe 2, a partition plate 5 is further provided on the inner wall of the desulfurization box 3, an electric heating plate 6 is provided between the partition plate 5 and the desulfurization box 3, a temperature sensor 7 is provided on the top of the smoke exhaust pipe 2, the temperature sensor 7 is electrically connected with the electric heating plate 6, an injection pipe 8 annularly arranged on the inner wall of the partition plate 5, the injection pipe 8 is communicated with an external pump, so that the slaked lime milk can be pumped into the injection pipe 8, the spray pipe 8 is provided with a plurality of atomizing nozzles 9 communicated therewith.

According to the high-temperature desulfurization device for the industrial boiler, the desulfurization box 3 is arranged on the periphery of the exhaust pipe 2 of the boiler 1, when the boiler 1 works, flue gas is discharged from the exhaust pipe 2 and is sprayed into the desulfurization box 3 through the air holes 4, at the moment, slaked lime milk is sprayed out through the atomizing nozzle 9 and contacts with the flue gas, timely contact reaction between the slaked lime milk and the flue gas is achieved, the temperature of the flue gas just discharged out of the boiler can be fully utilized, in the desulfurization process, the temperature sensor 7 detects the temperature in the desulfurization box 3 in real time, when the temperature is lower than a certain temperature, the electric heating plate 6 starts to work, mixed flue gas in the desulfurization box 3 is heated, the reaction temperature is guaranteed to be maintained in a proper temperature, the desulfurization cost is effectively reduced, and the desulfurization efficiency is improved.

Preferably, a turbulence assembly is further arranged in the desulfurization box 3. Specifically, the vortex subassembly includes fan leaf 10, axis of rotation 11 and a plurality of puddler 12, wherein, fan leaf 10 is installed in the pipe 2 of discharging fume of 4 below of bleeder vent, and fan leaf 10 is connected with the one end of axis of rotation 11, cross 13 is installed to the exhaust port inner wall, the other end of axis of rotation 11 runs through the pipe 2 of discharging fume and passes through the bearing with cross 13 and be connected, be connected through sealed bearing between axis of rotation 11 and the pipe 2 of discharging fume, be equipped with connecting rod 14 on the axis of rotation 11 of the pipe 2 top of discharging fume, the both ends bottom at connecting rod 14 is installed to a plurality of puddlers 12.

According to the high-temperature desulfurization device for the industrial boiler, the turbulence component is arranged in the desulfurization box 3, and in the desulfurization process, high-speed flue gas discharged by the boiler impacts the fan blade 10 and rotates the fan blade, so that the rotating shaft 11 is driven to rotate, the connecting rod 14 is driven to rotate, the stirring rod 12 rotates in the desulfurization box 3, mixed flue gas in the desulfurization box 3 is stirred, the mixing effect of lime milk and the flue gas is further improved, and the desulfurization efficiency is improved.

Preferably, the stirring rod 12 is positioned between the partition plate 5 and the smoke exhaust pipe 2, and the stirring rod 12 is positioned above the atomizing nozzle 9, so that the problem of interference of the stirring rod 12 is prevented.

Preferably, the top of the boiler 1 in the desulfurization box 3 is also provided with a conical bottom surface 15, the highest end of the conical bottom surface 15 is connected with the smoke exhaust pipe 2, the lowest end of the conical bottom surface 15 is connected with the partition plate 5, and waste liquid or impurities generated after reaction are guided by the conical bottom surface 15 and collected to the partition plate 5, so that the waste liquid or the impurities are conveniently discharged.

Preferably, a drain pipe 16 is arranged outside the desulfurization box 3, and one end of the drain pipe 16 sequentially penetrates through the desulfurization box 3 and the partition plate 5 to be connected with the lowest end of the conical bottom surface 15. A valve 17 is arranged on the sewage draining pipe 16. When the waste liquid needs to be cleaned, the valve 17 is opened, and the waste liquid can be discharged through the sewage discharge pipe 16, so that the cleaning is convenient.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.

Claims

1. The utility model provides an industrial boiler high temperature desulphurization unit, is including installing tub (2) of discharging fume at boiler (1) top, its characterized in that, tub (2) top of discharging fume seal, discharge fume tub (2) outlying boiler (1) top and install desulfurization case (3) that tub (2) of will discharging fume covered, the tub (2) outer wall of discharging fume be equipped with a plurality of bleeder vents (4), desulfurization case (3) top be equipped with the mouth of discharging fume with flue gas conveyer pipe intercommunication, desulfurization case (3) inner wall still be equipped with baffle (5), baffle (5) and desulfurization case (3) between be equipped with electric heating board (6), tub (2) top of discharging fume be equipped with temperature sensor (7), temperature sensor (7) and electric heating board (6) electric connection, baffle (5) inner wall still be equipped with injection pipe (8) that the annular was arranged, the spray pipe (8) on be equipped with a plurality of atomizer (9) rather than the intercommunication, desulfurization case (3) in still be equipped with the vortex subassembly.

2. The high-temperature desulfurization device for the industrial boiler as claimed in claim 1, wherein the turbulence component comprises a fan blade (10), a rotating shaft (11) and a plurality of stirring rods (12), the fan blade (10) is installed in the smoke exhaust pipe (2) below the air holes (4), the fan blade (10) is connected with one end of the rotating shaft (11), the inner wall of the smoke exhaust port is provided with a cross (13), the other end of the rotating shaft (11) penetrates through the smoke exhaust pipe (2) and is connected with the cross (13) through a bearing, the rotating shaft (11) is connected with the smoke exhaust pipe (2) through a sealing bearing, the rotating shaft (11) above the smoke exhaust pipe (2) is provided with a connecting rod (14), and the stirring rods (12) are installed at the bottoms of two ends of the connecting rod (14).

3. The high-temperature desulphurization device for the industrial boiler according to claim 2, wherein the stirring rod (12) is positioned between the partition plate (5) and the smoke exhaust pipe (2), and the stirring rod (12) is positioned above the atomizing nozzle (9).

4. The high-temperature desulfurization device for the industrial boiler according to the claim 1, 2 or 3, characterized in that the top of the boiler (1) in the desulfurization box (3) is further provided with a conical bottom surface (15), the highest end of the conical bottom surface (15) is connected with the smoke exhaust pipe (2), and the lowest end of the conical bottom surface (15) is connected with the partition plate (5).

5. The high-temperature desulfurization device for the industrial boiler according to claim 4, characterized in that a drain pipe (16) is arranged outside the desulfurization box (3), and one end of the drain pipe (16) sequentially penetrates through the desulfurization box (3) and the partition plate (5) to be connected with the lowest end of the conical bottom surface (15).

6. The high-temperature desulfurization device for the industrial boiler according to claim 5, wherein the blow-off pipe (16) is provided with a valve (17).