CN216458023U

CN216458023U - Semidry method cement kiln aqueous ammonia sprays desulphurization unit

Info

Publication number: CN216458023U
Application number: CN202122816405.0U
Authority: CN
Inventors: 别建敏; 朱伟; 甘爱均; 王贺; 朱玲玲; 郭永强
Original assignee: Nanyang Zhonglian Cement Co ltd
Current assignee: Nanyang Zhonglian Cement Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-10
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a semidry process cement kiln aqueous ammonia sprays desulphurization unit, which comprises a frame, install heat exchange assembly in the frame, filtering component, aqueous ammonia spray assembly and drive assembly, heat exchange assembly includes the commuting case, filtering component includes the rose box, aqueous ammonia spray assembly communicates and sprays between case and the rose box and communicate between case and the rose box including spraying between case and the heat exchange assembly, heat exchange box internally mounted has the heat exchange tube that the multiunit wave set up, the cover has the deashing ring on the heat exchange tube, drive assembly can drive deashing ring reciprocating sliding on the heat exchange tube, commuting case internally mounted rotates installs and rotates and installs a plurality of first bull sticks, all install the acanthus leaf on a plurality of first bull sticks. The heat exchange effect in the tail gas is improved, the loss of heat energy is reduced, the reaction efficiency is improved, the cost of manufacturing and using devices is reduced, and the energy consumption is further reduced.

Description

Semidry method cement kiln aqueous ammonia sprays desulphurization unit

Technical Field

The utility model relates to the technical field of cement production equipment, in particular to an ammonia water spraying desulfurization device for a semidry method cement kiln.

Background

Cement is the most common and important raw material in building materials, a dry-process cement kiln is often adopted in cement production, and sulfur in a novel dry-process cement kiln production system mainly comes from fuel and raw materials. SO2 generated by burning fuel in the decomposing furnace and the kiln head flows through the preheater along with flue gas flow, and contacts and reacts with raw meal powder in the preheater to achieve the effect of desulfurization; the sulfur contained in the raw material is decomposed in the upper preheater to produce SO2, and most of the SO2 is discharged out of the system along with the flue gas from the kiln tail, except that part of the SO2 is introduced into the raw mill for drying the raw material to realize desulfurization.

Need carry out the heat transfer to it before carrying out the desulfurization to tail gas to reduce the loss of heat energy, but particulate matter is attached to on the heat exchange pipeline easily in the heat transfer device tail gas of current, thereby influence thermal exchange, and tail gas process is fast, be unfavorable for abundant exchange to heat energy, and it is poor at the long time use after the filter effect of time when using that current tail gas particle filter equipment, thereby make the percent of pass of tail gas reduce, the influence is to the processing of tail gas.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model aims to provide the ammonia water spraying desulfurization device for the semi-dry cement kiln, which can improve the heat exchange effect on the tail gas, fully exchange heat energy in the tail gas and reduce the loss of human energy.

The solution is that, a semidry method cement kiln ammonia water spray desulphurization device, includes a frame, a heat exchange component, a filter component, an ammonia water spray component and a drive component are installed on the frame, the heat exchange component includes an exchange box, the filter component includes a filter box, the ammonia water spray component includes a spray box and a communication between the heat exchange component and the filter box and a communication between the spray box and the filter box, the heat exchange box is internally installed with a plurality of groups of heat exchange tubes arranged in wave shape, both ends of the heat exchange tubes are respectively communicated with the heat exchanger and the exchange box is provided with an air inlet and an air outlet, the heat exchange tubes are sleeved with an ash removing ring, the drive component can drive the ash removing ring to slide on the heat exchange tubes in a reciprocating manner, the exchange box is internally rotatably installed with a plurality of first rotating rods, the first rotating rods are all installed with blades, and the first rotating rods are all connected with the drive component, and a fan is arranged between the exchange box and the filter box, and two ends of the fan are respectively communicated with the exchange box and the filter box.

Preferably, drive assembly installs the screw rod in the inside of commuting case including rotating, screw-thread fit between fixed connection and the deashing ring and the screw rod between a plurality of deashing rings, drive assembly is still including installing the driving motor in the frame, install the driving gear on driving motor's the output, the screw rod stretches out one of commuting case and serves and install the driven gear with driving gear meshing, a plurality of first bull sticks are all connected through the transmission between belt and the screw rod.

Preferably, the liquid inlet of the heat exchange tube is positioned at one end far away from the gas inlet.

Preferably, the inside filter that is equipped with of filter tank, the axis that rotates on the filter tank and install the second bull stick rotates with the axis of screw rod is perpendicular to be set up and the second bull stick is located the one end of filter and is installed the vibrations wheel, the vibrations wheel can contact with the filter when rotating, install driven bevel gear on the second bull stick, install the drive bevel gear with driven bevel gear engaged with on the screw rod.

Preferably, the filter plate is slidably mounted inside the filter box and is in sealing contact with the filter box, and springs are mounted on two sides of the filter plate.

Preferably, spray incasement internally mounted and install the shower and spray the ammonia water supply tank that installs on the case and communicate with the shower, spray incasement portion and rotate and install the hollow shaft, the one end that the hollow shaft stretches out the case that sprays stretches into inside the rose box, the hollow shaft is located one of spraying incasement portion and serves and be equipped with a plurality of nozzles, be connected through the belt between hollow shaft and the second bull stick.

The utility model has the beneficial effects that: can improve the inside thermal exchange effect of tail gas, reduce the loss of heat energy, improve the filter effect to particulate matter in the tail gas, increase the air permeability, the life-span is longer during the use, increases the area of contact of tail gas and aqueous ammonia to improve reaction efficiency, drive the motion of a plurality of parts through a drive arrangement, reduce the cost of making and using device, further reduction energy consumption.

Drawings

Fig. 1 is a schematic structural view of the entire front surface of the present invention.

FIG. 2 is a partial schematic view of the integral vibration wheel of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 and figure 2, a semi-dry process cement kiln aqueous ammonia sprays desulphurization unit, includes frame 14, install heat exchange assembly, filtering component, aqueous ammonia spray assembly and drive assembly on the frame 14, its characterized in that, the heat exchange assembly includes exchange case 2, the filtering component includes rose box 8, aqueous ammonia spray assembly includes spray box 4 and heat exchange assembly and intercommunication between rose box 8 and spray box 4 and the intercommunication between rose box 8, heat exchange case 2 internally mounted has the heat exchange tube 3 that the multiunit wave set up, the both ends of heat exchange tube 3 respectively with heat exchanger intercommunication and be equipped with air inlet 1 and gas outlet 12 on the exchange case 2, the cover has dust ring 20 on the heat exchange tube 3, drive assembly can drive dust ring 20 and reciprocate to slide on heat exchange tube 3, exchange case 2 internally mounted rotates to install and rotates a plurality of first bull sticks 18, all install the lamina 19 on a plurality of first bull sticks 18, a plurality of first bull sticks 18 all are connected with between the drive assembly, be equipped with fan 25 between commuting case 2 and the rose box 8, the both ends of fan 25 communicate between with commuting case 2 and the rose box 8 respectively.

When the device is used, firstly, the device is installed at a position needing to work, the air inlet 1 and the tail gas collecting device are connected with a power supply, the heat exchange tube 3 is communicated with the heat exchanger, so that the heat exchange tube 3 is filled with flowing heat exchange liquid, the tail gas passes through the arranged heat exchange tube 3 to absorb heat in the tail gas, the dust cleaning ring 20 is driven by the driving component to clean dust on the heat exchange tube 3 through the arranged dust cleaning ring 20, the reduction of the heat exchange effect caused by too much dust adhered on the heat exchange tube 3 is avoided, the heat exchange effect is improved, in addition, the driving component is used to drive the first rotating rods 18 to rotate through the arranged first rotating rods 18, so that the rotation of a plurality of impellers is realized, the time for the tail gas to stay in the heat exchange box is prolonged, the heat exchange effect in the tail gas is improved, and the heat loss is further reduced, tail gas after the heat transfer is accomplished filters through rose box 8, reduces the dust and enters into spray box 4 to improve the combination effect of aqueous ammonia and tail gas, improve the treatment effect to tail gas, inside fan 25 can send into rose box 8 with the inside tail gas of heat transfer case.

Drive assembly installs screw rod 17 at commuting case 2 inside including rotating, screw-thread fit between fixed connection and deashing ring 20 and the screw rod 17 between a plurality of deashing rings 20, drive assembly is still including installing the driving motor 21 in frame 14, install driving gear 22 on the output of driving motor 21, screw rod 17 stretches out one of commuting case 2 and serves and install driven gear 23 with driving gear 22 meshing, a plurality of bull sticks 18 all are connected through the transmission between belt and the screw rod 17.

Through the screw-thread fit between screw rod 17 and a plurality of deashing rings 20, driving motor 21 is just reversing during the use and is driving screw rod 17 to rotate to realize deashing ring 20's reciprocating motion, further improvement device's result of use, through the meshing of gear, improve driving motor 21 and to deashing ring 20's drive effect, stability when improvement device uses.

The liquid inlet of the heat exchange tube 3 is positioned at one end far away from the air inlet 1.

The position of the liquid inlet is limited, the temperature of the heat exchange liquid which just enters the heat exchange box is lower, and the temperature of the tail gas at the moment is reduced through the heat exchange temperature above the liquid inlet, so that the exchange effect of the internal temperature of the tail gas can be further improved.

The inside filter 13 that is equipped with of rose box 8, the perpendicular setting of axis that rotates the axis of installing second bull stick 16 and screw rod 17 on the rose box 8 and the one end that second bull stick 16 is located filter 13 rotates and installs vibrations driving wheel 15, can contact with filter 13 when vibrations driving wheel 15 rotates, install driven bevel gear 9 on the second bull stick 16, install the drive bevel gear 10 with driven bevel gear 9 engaged with on the screw rod 17.

In order to avoid the too much absorption of dust on filter 13, cause the circumstances that the trafficability characteristic of filter 13 reduces, through setting up second bull stick 16, through the meshing of two bevel gears, realize the second pivoted and rotate to make vibrations wheel 15 and filter 13 contact, realize filter 13's vibrations, and then shake the dust on the filter 13 and fall, reduce the adhesion of dust, improve filter 13's trafficability characteristic.

Filter 13 slidable mounting is at inside and filter 13 of rose box 8 and between rose box 8 sealing contact, spring 11 is all installed to the both sides of filter 13.

Through setting up spring 11 and gliding filter 13, can improve filter 13's vibrations effect, and then improve the effect that filter 13 dust shakes and falls.

Spray 4 internally mounted of case and have shower 5 and spray and install the aqueous ammonia supply tank with shower 5 intercommunication on the case 4, spray 4 inside rotations of case and install hollow shaft 6, the one end that hollow shaft 6 stretched out spray case 4 stretches into inside the rose box 8, hollow shaft 6 is located and serves and be equipped with a plurality of nozzles 7 inside spray case 4, be connected through the belt between hollow shaft 6 and the second bull stick 16.

Through setting up hollow shaft 6 for gas after the filtration enters into inside spraying case 4, through the rotation hollow shaft 6 that sets up, can improve the scope of gas and aqueous ammonia contact, and then improves the effect of reaction, improves the treatment effect to gas, and drives a plurality of parts through a driving motor 21 and move, reduce the cost when making and using, further reduction energy consumption.

The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.

Claims

1. The utility model provides a semidry process cement kiln aqueous ammonia sprays desulphurization unit, includes frame (14), install heat exchange assembly, filter assembly, aqueous ammonia spray assembly and drive assembly on frame (14), its characterized in that, the heat exchange assembly includes exchange box (2), filter assembly includes rose box (8), aqueous ammonia spray assembly including spray box (4) and heat exchange assembly and filter box (8) between intercommunication and spray box (4) and filter box (8) between the intercommunication, heat exchange box (2) internally mounted has heat exchange tube (3) that the multiunit wave set up, the both ends of heat exchange tube (3) are equipped with air inlet (1) and gas outlet (12) respectively with heat exchanger intercommunication and exchange box (2), the cover has deashing ring (20) on heat exchange tube (3), drive assembly can drive deashing ring (20) and reciprocating sliding on heat exchange tube (3), exchange case (2) inside rotation is installed and is rotated and install a plurality of first bull stick (18), all install leaf plate (19) on a plurality of first bull stick (18), a plurality of first bull stick (18) all with be connected between the drive assembly, be equipped with fan (25) between exchange case (2) and rose box (8), the both ends of fan (25) communicate respectively with between exchange case (2) and the rose box (8).

2. The ammonia water spraying desulfurization device for the semi-dry cement kiln according to the claim 1, characterized in that the driving component comprises a screw (17) rotatably installed inside the exchange box (2), the ash removing rings (20) are fixedly connected and are in threaded fit with the screw (17), the driving component further comprises a driving motor (21) installed on the rack (14), a driving gear (22) is installed on the output end of the driving motor (21), a driven gear (23) meshed with the driving gear (22) is installed on one end of the screw (17) extending out of the exchange box (2), and the first rotating rods (18) are in transmission connection with the screw (17) through a belt.

3. The ammonia water spray desulfurization device for the semi-dry cement kilns as set forth in claim 1, characterized in that the liquid inlet of the heat exchange tube (3) is located at one end far from the gas inlet (1).

4. The ammonia water spray desulfurization device for the semidry cement kiln according to claim 1, characterized in that a filter plate (13) is arranged inside the filter box (8), the axis of the second rotating rod (16) rotatably mounted on the filter box (8) is perpendicular to the axis of the screw (17), the second rotating rod (16) is positioned at one end of the filter plate (13) and rotatably mounted with a vibration wheel (15), the vibration wheel (15) can contact with the filter plate (13) when rotating, the second rotating rod (16) is mounted with a driven bevel gear (9), and the screw (17) is mounted with a driving bevel gear (10) meshed with the driven bevel gear (9).

5. The ammonia water spray desulfurization device for semidry cement kilns according to claim 4, characterized in that the filter plate (13) is slidably installed inside the filter box (8) and the filter plate (13) is in sealing contact with the filter box (8), and springs (11) are installed on both sides of the filter plate (13).

6. The ammonia water spraying desulfurization device for the semi-dry cement kilns according to claim 5, characterized in that a spraying pipe (5) is installed inside the spraying box (4), an ammonia water supply box communicated with the spraying pipe (5) is installed on the spraying box (4), a hollow shaft (6) is installed inside the spraying box (4) in a rotating mode, one end, extending out of the spraying box (4), of the hollow shaft (6) extends into the filtering box (8), a plurality of nozzles (7) are arranged at one end, located inside the spraying box (4), of the hollow shaft (6), and the hollow shaft (6) is connected with a second rotating rod (16) through a belt.