CN220834950U

CN220834950U - SCR desulfurization device

Info

Publication number: CN220834950U
Application number: CN202322514747.6U
Authority: CN
Inventors: 吕迪; 王波; 王旭东
Original assignee: Baotou Second Thermal Power Plant North United Power Corp
Current assignee: Baotou Second Thermal Power Plant North United Power Corp
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-26
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses an SCR desulfurization device, which relates to the technical field of SCR, and comprises a box body, wherein a dust removing reaction mechanism is arranged in the box body, an air inlet pipe is arranged on one side of the box body, the dust removing reaction mechanism comprises a rotating frame, one end of the rotating frame is fixedly connected with a driving motor, a desulfurization material spraying frame is arranged on the rotating frame, a rotary joint is arranged at the other end of the rotating frame, a dust removing box is arranged at the end part of the rotary joint, a driving gear is fixedly connected on the rotating frame, and a plurality of dust scraping frames are fixedly connected at the top of the dust removing box. This SCR desulphurization unit drives rotating turret and filter screen through driving motor and rotates, and the filter screen filters the ash to the flue gas to utilize to scrape the ash frame and scrape down the dust on the filter screen, the rotating turret rotates simultaneously and drives desulfurization material blowout frame and rotate, makes the sulfur-containing component in the flue gas through the deashing treatment can fully contact with desulfurization material, effectively improves desulfurization effect.

Description

SCR desulfurization device

Technical Field

The utility model relates to the technical field of SCR, in particular to an SCR desulfurization device.

Background

When the electric furnace of the thermal power plant works, a large amount of flue gas can be generated, the flue gas is desulfurized by the SCR desulfurization device, and in the prior art, after the flue gas enters the SCR desulfurization device, the flue gas contains dust, so that sulfur-containing components are difficult to fully contact with desulfurization materials, and the desulfurization effect is not ideal.

For example, patent publication No. CN214681046U, specifically an SCR desulfurization device, which has an effect of better mixing flue gas with desulfurization materials, there is a problem that after the flue gas enters the SCR desulfurization device, because the flue gas contains dust, the sulfur-containing component is difficult to fully contact with the desulfurization materials, so that the desulfurization effect is not ideal enough.

For example, patent publication No. CN216137015U, specifically an SCR desulfurization device, this SCR desulfurization device, lime powder and clear water reacted deposit directly fall on the surface of deflector, the clear water that spills through in the water tank makes the surface of deflector be smooth state, after reaction deposit falls, through the power and the gravity of the flow of clear water, make deposit whereabouts fall into the inside of collecting box, because the power of clear water in the water tank, make the deposit fall into the collecting box after can not pile the mouth of falling into of collecting box, after the desulfurization is finished open the closing door take out collecting box clear up can, the inside exhaust smoothness of this device has been improved, just there is this kind of flue gas to get into after the SCR desulfurization device, because contain the dust in the flue gas, make sulfur-containing component be difficult to fully with the abundant contact of desulfurization material, make desulfurization effect not ideal problem.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the SCR desulfurization device, which solves the problems that after flue gas enters the SCR desulfurization device, sulfur-containing components are difficult to fully contact with desulfurization materials due to dust contained in the flue gas, so that the desulfurization effect is not ideal.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: an SCR desulfurization device comprises a box body, wherein a de-ashing reaction mechanism is arranged in the box body, and an air inlet pipe is arranged at one side of the box body;

The ash removal reaction mechanism comprises a rotating frame, a driving motor is fixedly connected to one end of the rotating frame, a desulfurization material spraying frame is mounted on the rotating frame, a rotary joint is mounted at the other end of the rotating frame, an ash removal box is mounted at the end of the rotary joint, a driving gear is fixedly connected to the rotating frame, a plurality of ash scraping frames are fixedly connected to the top of the ash removal box, a filter screen is rotatably connected to the inner side of each ash scraping frame, a plurality of connecting shafts are fixedly connected between the filter screens, and driven gears are fixedly connected to the end parts of the connecting shafts.

Preferably, the rotating frame is rotatably connected with the inner wall of the box body, and the driving motor is fixedly arranged on the box body.

Preferably, the inner side of the desulfurization material spraying frame is provided with a spraying head, and the desulfurization material spraying frame is detachably connected with the rotating frame.

Preferably, one end of the rotary joint is fixedly connected with the rotating frame, and the other end of the rotary joint is fixedly connected with the ash removing box.

Preferably, the filter screen part penetrates through the ash removal box and extends to the outside, and the surface of the filter screen is closely attached to the ash scraping frame.

Preferably, the end of the connecting shaft penetrates through the ash removing box and extends to the outside, and the driving gear is meshed with the driven gear.

Preferably, the top of the box body is provided with an air guide top cover, the top of the air guide top cover is fixedly connected with a fan, and the end part of the fan is connected with an exhaust pipe.

Preferably, the rotating frame comprises a supporting plate and a fixing plate, the end part of the supporting plate is fixedly connected with a connecting rod, the end part of the connecting rod is fixedly connected with a connecting screw rod, the surface of one side opposite to the fixing plate and the supporting plate is fixedly connected with a positioning plate, the fixing plate is fixedly connected with a connecting frame, and the connecting frame is fixedly connected with a connecting nut.

Advantageous effects

The utility model provides an SCR desulfurization device. Compared with the prior art, the method has the following beneficial effects:

1. This SCR desulphurization unit drives rotating turret and filter screen through driving motor and rotates, and pivoted filter screen filters the ash to utilize to scrape the ash frame and scrape down the dust on the filter screen, the rotating turret rotates simultaneously and drives desulfurization material blowout frame rotation, makes the sulfur-containing component in the flue gas that goes ash treatment can fully contact with desulfurization material, effectively improves desulfurization effect.

2. This SCR desulphurization unit, through with desulfurization material blowout frame one end cover on the locating plate in the backup pad, then aim at connecting screw with the coupling nut on the fixed plate, then rotate the fixed plate, it is fixed with the backup pad with the fixed plate, grasp desulfurization material blowout frame to can conveniently change desulfurization material blowout frame, improve the convenience of use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the ash removal reaction mechanism of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic view of a turret according to the present utility model.

In the figure: 1. a case; 2. a de-ashing reaction mechanism; 201. a rotating frame; 2011. a support plate; 2012. a fixing plate; 2013. a connecting rod; 2014. a connecting frame; 2015. a positioning plate; 2016. a connecting screw; 2017. a coupling nut; 202. a desulfurization material spraying frame; 203. a driving motor; 204. a rotary joint; 205. a drive gear; 206. a dust removing box; 207. a filter screen; 208. an ash scraping frame; 209. a connecting shaft; 210. a driven gear; 3. an air inlet pipe; 4. an air guide top cover; 5. a blower; 6. and an exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an SCR desulphurization unit, includes box 1, and box 1 internally mounted has the reaction mechanism 2 that removes ash, and box 1 one side is equipped with intake pipe 3, and accessible removes ash reaction mechanism 2 carries out the ash removal to the flue gas of letting in and handles for the sulfur-containing component in the flue gas through handling can fully contact with the desulfurization material, effectively improves desulfurization effect.

The ash removal reaction mechanism 2 comprises a rotating frame 201, one end of the rotating frame 201 is fixedly connected with a driving motor 203, the rotating frame 201 is rotationally connected with the inner wall of the box body 1, the driving motor 203 is fixedly arranged on the box body 1, a desulfurization material spraying frame 202 is arranged on the rotating frame 201, a spraying head is arranged on the inner side of the desulfurization material spraying frame 202, flue gas can be contacted with sprayed desulfurization materials to generate reaction, the desulfurization material spraying frame 202 is detachably connected with the rotating frame 201, replacement is convenient, the desulfurization material spraying frame 202 is driven by the driving motor 203 to rotate, flue gas can be fully contacted with sprayed desulfurization materials, the desulfurization effect is improved, a rotary joint 204 is arranged at the other end of the rotating frame 201, an ash removal box 206 is arranged at the end of the rotary joint 204, one end of the rotary joint 204 is fixedly connected with the rotating frame 201, the other end of the rotary joint 204 is fixedly connected with the ash removal box 206, the ash removal box 206 can keep stable and motionless, meanwhile, a driving gear 205 is fixedly connected with the top of the ash removal box 206, a plurality of inner side scraping frames 208 are respectively connected with the rotating frame 205, each ash scraping frame 205 is connected with the inner side 205, a filter screen 207 is connected with the end of the rotary frame 205, a filter screen 209 is connected with the end of the rotary frame 209, the end of the rotary frame 209 is connected with the rotary frame 209, and the end of the rotary frame 209 is tightly connected with the rotary frame 209, and the end of the rotary frame is connected with the rotary frame 209. The pivoted filter screen 207 filters the ash to utilize to scrape ash frame 208 and scrape down the dust on the filter screen 207, the revolving rack 201 rotates simultaneously and drives desulfurization material blowout frame 202 rotation, makes the sulfur-containing component in the flue gas through ash treatment can fully contact with the desulfurization material, effectively improves desulfurization effect.

Referring to fig. 1 and 4, an air guide top cover 4 is arranged at the top of the box body 1, a fan 5 is fixedly connected to the top of the air guide top cover 4, an exhaust pipe 6 is connected to the end portion of the fan 5, the air after reaction can be pumped out through the fan 5, the rotating frame 201 comprises a supporting plate 2011 and a fixing plate 2012, a connecting rod 2013 is fixedly connected to the end portion of the supporting plate 2011, a connecting screw 2016 is fixedly connected to the end portion of the connecting rod 2013, a locating plate 2015 is fixedly connected to one side surface, opposite to the supporting plate 2011, of the fixing plate 2012, a connecting frame 2014 is fixedly connected to the fixing plate 2014, a connecting nut 2017 is fixedly connected to the connecting frame 2014, one end of the desulfurization material spraying frame 202 is sleeved on the locating plate 2015 on the supporting plate 2011, then the connecting screw 2016 is aligned to the connecting screw 2017 through the connecting nut on the fixing plate 2012, then the fixing plate 2012 is rotated, the fixing plate 2012 is fixed with the supporting plate 2011, and the desulfurization material spraying frame 202 is clamped, so that the desulfurization material spraying frame 202 can be replaced conveniently, and the convenience in use is improved.

During operation, the driving motor 203 drives the rotating frame 201 to rotate, the rotating frame 201 rotates to drive the driving gear 205 to rotate, the driving gear 205 rotates to drive the driven gear 210 to rotate, the driven gear 210 rotates to drive the connecting shaft 209 to rotate, the connecting shaft 209 rotates to drive the filter screen 207 to rotate, the filter screen 207 filters ash from flue gas, dust on the filter screen 207 is scraped by the ash scraping frame 208, and meanwhile, the rotating frame 201 rotates to drive the desulfurization material spraying frame 202 to rotate, so that sulfur-containing components in flue gas subjected to ash removal treatment can fully contact with desulfurization materials, and the desulfurization effect is effectively improved.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. An SCR desulfurization device, comprising a box (1), characterized in that: the ash removal reaction mechanism (2) is arranged in the box body (1), and an air inlet pipe (3) is arranged at one side of the box body (1);

The ash removal reaction mechanism (2) comprises a rotating frame (201), a driving motor (203) is fixedly connected to one end of the rotating frame (201), a desulfurization material spraying frame (202) is installed on the rotating frame (201), a rotary joint (204) is installed at the other end of the rotating frame (201), an ash removal box (206) is installed at the end of the rotary joint (204), a driving gear (205) is fixedly connected to the rotating frame (201), a plurality of ash scraping frames (208) are fixedly connected to the top of the ash removal box (206), a filter screen (207) is rotatably connected to the inner side of each ash scraping frame (208), a plurality of connecting shafts (209) are fixedly connected between the filter screens (207), and driven gears (210) are fixedly connected to the end of the connecting shafts (209).

2. The SCR desulfurization device according to claim 1, wherein: the rotating frame (201) is rotatably connected with the inner wall of the box body (1), and the driving motor (203) is fixedly arranged on the box body (1).

3. The SCR desulfurization device according to claim 1, wherein: the inner side of the desulfurization material spraying frame (202) is provided with a spraying head, and the desulfurization material spraying frame (202) is detachably connected with the rotating frame (201).

4. The SCR desulfurization device according to claim 1, wherein: one end of the rotary joint (204) is fixedly connected with the rotating frame (201), and the other end of the rotary joint (204) is fixedly connected with the ash removing box (206).

5. The SCR desulfurization device according to claim 1, wherein: the filter screen (207) partially penetrates through the ash removal box (206) and extends to the outside, and the surface of the filter screen (207) is tightly attached to the ash scraping frame (208).

6. The SCR desulfurization device according to claim 1, wherein: the end of the connecting shaft (209) penetrates through the ash removing box (206) and extends to the outside, and the driving gear (205) is meshed with the driven gear (210).

7. The SCR desulfurization device according to claim 1, wherein: the novel air conditioner is characterized in that an air guide top cover (4) is arranged at the top of the box body (1), a fan (5) is fixedly connected to the top of the air guide top cover (4), and an exhaust pipe (6) is connected to the end portion of the fan (5).

8. The SCR desulfurization device according to claim 1, wherein: the rotating frame (201) comprises a supporting plate (2011) and a fixing plate (2012), wherein the end part of the supporting plate (2011) is fixedly connected with a connecting rod (2013), the end part of the connecting rod (2013) is fixedly connected with a connecting screw rod (2016), one side surface, opposite to the supporting plate (2011), of the fixing plate (2012) is fixedly connected with a positioning plate (2015), the fixing plate (2012) is fixedly connected with a connecting frame (2014), and the connecting frame (2014) is fixedly connected with a connecting nut (2017).