CN217163863U

CN217163863U - Efficient dry deacidification system for boiler

Info

Publication number: CN217163863U
Application number: CN202220364170.8U
Authority: CN
Inventors: 项光明; 陈少宝; 夏展; 林贵; 陈楚
Original assignee: Wenzhou Longwan Weiming Environmental Protection Energy Co ltd
Current assignee: Wenzhou Longwan Weiming Environmental Protection Energy Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-12
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to a high-efficient boiler dry deacidification system, including storage jar, roots's fan and treatment furnace, the storage jar is connected and is set up in one side of treatment furnace, roots's fan is connected and is equipped with the outlet duct, the treatment furnace is equipped with into flue and goes out the flue, the outlet duct is connected out the flue, the bottom of treatment furnace is equipped with the mixing chamber, and this mixing chamber is equipped with driving motor, driving motor connects and is equipped with the drive pivot, the drive pivot is connected and is equipped with the stirring running roller, the stirring running roller includes a plurality of puddlers that are parallel to each other, the bottom of mixing chamber still is equipped with the discharge gate, the discharge gate is connected and is equipped with the collecting hopper, the bottom of collecting hopper is connected and is equipped with the discharging pipe, and this discharging pipe is connected out the flue; realized three circulation processing flue gases of handling stove, mixing chamber and boiler, the stirring running roller in the mixing chamber is broken up the lime of caking, promotes lime and flue gas contact reaction, improves gas cleaning efficiency, helps environmental protection.

Description

Efficient dry deacidification system for boiler

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a high-efficiency dry deacidification system for a boiler.

Background

In the garbage disposal process, flue gas generated by boiler incineration needs to be subjected to harmless treatment such as desulfurization and the like, and about more than ten methods are applied in industry, wherein the limestone-gypsum flue gas desulfurization technology is dominant, has the advantages of high desulfurization efficiency, reliable operation, wide application range, mature technology, marketable by-products and the like, is gradually popularized and becomes an important desulfurization technology in the international desulfurization market. The existing dry method system is arranged between the neutralization tower and the bag-type dust remover, lime is fed into the system through the fan and is mixed and reacted with flue gas, but the existing dry method calcium spraying system is insufficient in mixing of the added lime and the flue gas, and the lime is stacked to cause caking, so that the purification effect is poor, pollution and harmful components in the flue gas can not be completely eliminated, and the environmental protection is not facilitated. Therefore, the design of a high-efficiency boiler dry deacidification system capable of promoting lime mixing and improving the purification effect becomes a technical problem which needs to be solved urgently.

Disclosure of Invention

The invention provides a high-efficiency dry deacidification system for a boiler to solve the problems.

The technical scheme of the utility model, high-efficient boiler dry process deacidification system, including storage jar, roots's fan and treatment furnace, the storage jar is connected and is set up the one side at the treatment furnace, roots's fan connects and is equipped with the outlet duct, the top and the bottom of treatment furnace are equipped with into flue and play flue respectively, the play flue is connected to the outlet duct, the bottom of treatment furnace is connected and is equipped with the hybrid chamber, and one side of this hybrid chamber is equipped with driving motor, driving motor connects and is equipped with the drive pivot and coordinates the linkage, the drive pivot is connected and is equipped with the stirring running roller, the stirring running roller includes a plurality of puddlers that are parallel to each other, the bottom of hybrid chamber still is equipped with the discharge gate, the discharge gate is connected and is equipped with the collecting hopper, the bottom connection of collecting hopper is equipped with the discharging pipe, and the play flue is connected to this discharging pipe.

After the structure is adopted, the exhaust pipeline and the air inlet pipeline of the boiler for incineration are correspondingly connected through the air inlet flue and the air outlet flue, the flue gas is input into the hearth of the treatment furnace from the air inlet flue, then lime is added into the storage tank, and the lime enters the hearth from one side of the treatment furnace and is subjected to primary mixing reaction with the flue gas; then the lime and the flue gas fall into a bottom mixing chamber of the treatment furnace together, the stirring roller is driven to rotate by a driving motor and a driving rotating shaft, and a stirring rod on the stirring roller continuously impacts and stirs the lime, so that the contact between the lime and the flue gas is increased, and the reaction and neutralization of the lime and the flue gas are promoted; lime falls to the bottom of the mixing chamber, penetrates through the discharge port and then enters the collecting hopper, the collecting hopper concentrates the lime into the discharge pipe, the lime enters the exhaust flue through the discharge pipe, the Roots blower blows air from the air outlet pipe to enter the exhaust flue, the lime in the exhaust flue is blown back to the boiler, the lime expands to obtain a sufficient reaction, and a more efficient flue gas purification effect is obtained; meanwhile, the Roots blower blows air to the exhaust flue to cause the air flow speed in the pipeline to increase and the pressure to decrease, and the flue gas in the treatment furnace and the mixing chamber is sucked into the exhaust flue and returns to the boiler along with lime; realized three circulation treatment flue gases of handling furnace, mixing chamber and boiler, the stirring running roller in the mixing chamber is broken up the lime of caking, promotes lime and flue gas contact reaction, improves flue gas purification efficiency, helps environmental protection.

As a further improvement, the discharge gate covers and is equipped with the filter, the bottom position of stirring running roller suits with the top surface of filter, the filter is equipped with along a plurality of filtration pores of crossing of vertical direction, and the bottom surface connection of this filter is equipped with vibrating motor.

After adopting above-mentioned structure, cover the discharge gate through setting up the filter, when lime falls to the discharge gate, the filter will hit scattered back lime and fall into the collecting hopper through filtering the hole, lump lime that is not fully hit scattered filters and stays in the hybrid chamber, the bottom of stirring running roller strikes the lump lime once more and hits scattered operation simultaneously, bottom surface connection through the filter sets up vibrating motor, vibrating motor will shake and pass to on the lump lime, make the lump lime shake remove on the filter by a small margin, avoid the lump lime to plug up the filtration hole.

As a further improvement of the utility model, the outside of the vibrating motor is connected and is equipped with the dust hood.

After adopting above-mentioned structure, connect through vibrating motor's outside and set up the dust hood, avoid lime to get into and cause the jam in the vibrating motor, the protection vibrating motor is not destroyed.

As a further improvement, the bottom of the storage tank is provided with an ash unloading valve, the ash unloading valve is provided with a guide pipe, and the guide pipe is connected with a furnace chamber of the treatment furnace.

After adopting above-mentioned structure, set up the unloading valve through the bottom of storage jar, the feed is more even when making the lime in the storage jar get into the treatment furnace, avoids lime to fall into the mixing chamber in a large number and leads to blockking up, prevents to stir the work efficiency reduction of running roller.

As a further improvement, the diameter of the outlet duct and the outlet flue are the same and extend along the same axis direction.

After adopting above-mentioned structure, the diameter size through setting up outlet duct and play flue is the same and all extend along same axis direction, makes the two form the straight way after linking to each other, reduces the department of buckling, and the air current of being convenient for prevents that flue gas and lime siltation are in the pipeline.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 shows a schematic view of a filter plate structure.

Fig. 3 is a schematic structural view of a part a of the vibration motor.

1-storage tank, 2-Roots blower, 3-treatment furnace, 4-air outlet pipe, 5-flue inlet pipe, 6-flue outlet pipe, 7-mixing chamber, 8-driving motor, 9-driving rotating shaft, 10-stirring roller, 11-stirring rod, 12-discharge port, 13-collecting hopper, 14-discharge pipe, 15-filter plate, 16-filter hole, 17-vibrating motor, 18-dust-isolating hood, 19-dust-discharging valve and 20-guide pipe.

Detailed Description

The high-efficiency boiler dry deacidification system comprises a storage tank 1, a Roots blower 2 and a treatment furnace 3, wherein the storage tank 1 is connected and arranged on one side of the treatment furnace 3, the Roots blower 2 is connected and provided with an air outlet pipe 4, the top and the bottom of the treatment furnace 3 are respectively provided with an air inlet pipe 5 and an air outlet pipe 6, the air outlet pipe 4 is connected and provided with the air outlet pipe 6, the bottom of the treatment furnace 3 is connected and provided with a mixing chamber 7, one side of the mixing chamber 7 is provided with a driving motor 8, the driving motor 8 is connected and provided with a driving rotating shaft 9 for matching and linkage, the driving rotating shaft 9 is connected and provided with a stirring roller 10, the stirring roller 10 comprises a plurality of stirring rods 11 which are parallel to each other, the bottom of the mixing chamber 7 is also provided with a discharge port 12, the discharge port 12 is connected and provided with a collecting hopper 13, and the bottom of the collecting hopper 13 is connected and provided with a discharge pipe 14, the outlet pipe 14 is connected to the flue 6.

Correspondingly connecting an exhaust pipeline and an air inlet pipeline of a boiler for incineration through an inlet flue 5 and an outlet flue 6, inputting flue gas into a hearth of a treatment furnace 3 from the inlet flue 5, adding lime into a storage tank 1, and allowing the lime to enter the hearth from one side of the treatment furnace 3 to be primarily mixed and reacted with the flue gas; then the lime and the flue gas fall into a bottom mixing chamber 7 of the treatment furnace 3 together, a driving motor 8 and a driving rotating shaft 9 drive a stirring roller 10 to rotate, a stirring rod 11 on the stirring roller 10 continuously collides and stirs lime, the contact between the lime and the flue gas is increased, and the reaction and neutralization of the lime and the flue gas are promoted; lime falls to the bottom of the mixing chamber 7 and penetrates through the discharge hole 12 to enter the collecting hopper 13, the collecting hopper 13 concentrates the lime to fall into the discharge pipe 14 and then enters the exhaust flue 6 through the discharge pipe 14, the Roots blower 2 blows air from the air outlet pipe 4 to enter the exhaust flue 6 and blows out the lime in the exhaust flue 6 to return to the boiler, the lime expands to obtain a sufficient reaction, and a more efficient flue gas purification effect is obtained; meanwhile, the Roots blower 2 blows air to the exhaust flue 6 to increase the air flow speed in the pipeline and reduce the pressure, and the flue gas in the treatment furnace 3 and the mixing chamber 7 is sucked into the exhaust flue and returns to the boiler along with lime; realized three circulation treatment flue gases of treating furnace 3, mixing chamber 7 and boiler, stirring running roller 10 in the mixing chamber 7 is broken up the lime of caking, promotes lime and flue gas contact reaction, improves flue gas purification efficiency, helps environmental protection.

The discharge gate 12 covers and is equipped with filter 15, the bottom position of stirring running roller 10 suits with the top surface of filter 15, filter 15 is equipped with along a plurality of filtration holes 16 of vertical direction, and the bottom surface of this filter 15 is connected and is equipped with vibrating motor 17.

Cover discharge gate 12 through setting up filter 15, when lime falls to discharge gate 12, filter 15 will hit scattered back lime and fall into collecting hopper 13 through filtration pore 16 in, lump lime that is not fully hit scattered is filtered and is stayed in mixing chamber 7, the bottom of stirring running roller 10 is strikeed the caking lime once more and is hit scattered the operation simultaneously, bottom surface through filter 15 is connected and is set up vibrating motor 17, vibrating motor 17 will shake and pass to the caking lime on, make caking lime shake remove on filter 15 by a small margin, avoid caking lime to plug up filtration pore 16.

And a dust separation cover 18 is connected and arranged on the outer side of the vibration motor 17.

The dust separation cover 18 is connected and arranged on the outer side of the vibration motor 17, so that lime is prevented from entering the vibration motor 17 to cause blockage, and the vibration motor 17 is protected from being damaged.

The bottom of the storage tank 1 is provided with an ash discharging valve 19, the ash discharging valve 19 is provided with a guide pipe 20, and the guide pipe 20 is connected with the hearth of the treatment furnace 3.

The bottom through storage jar 1 sets up unloading valve 19, and the feed is more even when making the lime in the storage jar 1 get into the treatment furnace 3, avoids the lime to fall into mixing chamber 7 in a large number and leads to blockking up, prevents to stir the work efficiency reduction of running roller 10.

The diameter of the air outlet pipe 4 and the diameter of the flue 6 are the same and extend along the same axial direction.

The diameter size through setting up outlet duct 4 and play flue 6 is the same and all extend along same axis direction, makes the two form the straight way after linking to each other, reduces the department of buckling, and the air current of being convenient for prevents that flue gas and lime siltation are in the pipeline.

Claims

1. High-efficient boiler dry process deacidification system, including storage jar (1), roots's fan (2) and treatment furnace (3), one side of setting in treatment furnace (3) is connected in storage jar (1), roots's fan (2) are connected and are equipped with outlet duct (4), the top and the bottom of treatment furnace (3) are equipped with into flue (5) and play flue (6) respectively, play flue (6), its characterized in that are connected in outlet duct (4): the bottom of handling furnace (3) is connected and is equipped with mixing chamber (7), and one side of this mixing chamber (7) is equipped with driving motor (8), driving motor (8) are connected and are equipped with drive pivot (9) and cooperate the linkage, drive pivot (9) are connected and are equipped with stirring running roller (10), stirring running roller (10) include a plurality of puddler (11) that are parallel to each other, the bottom of mixing chamber (7) still is equipped with discharge gate (12), discharge gate (12) are connected and are equipped with collecting hopper (13), the bottom of collecting hopper (13) is connected and is equipped with discharging pipe (14), and flue (6) are connected out in this discharging pipe (14).

2. The efficient boiler dry deacidification system according to claim 1, wherein: discharge gate (12) cover and are equipped with filter (15), the bottom position of stirring running roller (10) suits with the top surface of filter (15), filter (15) are equipped with along a plurality of filtration pores (16) of vertical direction, and the bottom surface of this filter (15) is connected and is equipped with vibrating motor (17).

3. The efficient boiler dry deacidification system according to claim 2, wherein: and a dust separation cover (18) is connected and arranged on the outer side of the vibration motor (17).

4. The efficient boiler dry deacidification system according to claim 1, wherein: the bottom of storage jar (1) is equipped with unloading valve (19), unloading valve (19) are equipped with guide tube (20), and the furnace of handling furnace (3) is connected in this guide tube (20).

5. The efficient boiler dry deacidification system according to claim 1, wherein: the diameter of the air outlet pipe (4) and the diameter of the flue outlet pipe (6) are the same and the diameters of the air outlet pipe and the flue outlet pipe are extended along the same axial direction.