CN214233524U - Steam soot blowing and rake type soot blowing combined ash removal device for SCR denitration project in cement industry - Google Patents
Steam soot blowing and rake type soot blowing combined ash removal device for SCR denitration project in cement industry Download PDFInfo
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- CN214233524U CN214233524U CN202023251814.2U CN202023251814U CN214233524U CN 214233524 U CN214233524 U CN 214233524U CN 202023251814 U CN202023251814 U CN 202023251814U CN 214233524 U CN214233524 U CN 214233524U
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Abstract
The utility model discloses a cement industry SCR denitration project is with steam soot blowing and rake formula soot blowing joint ash removal device, including SCR denitrification facility, SCR denitrification facility's inside is provided with a plurality of catalyst layer, inlay on SCR denitrification facility's the outer wall and install a plurality of annular fixed plate. This ash removal device is united with grey to steam blowing and rake formula soot blowing for cement industry SCR denitration project, the utility model discloses a SCR denitrification facility, a box body, the rake formula soot blower, the annular fixed plate, the steam soot blower, the catalyst layer, the bolt, the installation piece, the cooperation of first screw hole and second screw hole is used, rake formula soot blower and steam soot blower direct mount have been avoided inside the SCR denitrification facility, no matter there is not the operation of blowing the ash, all inside the SCR denitrification facility, go down for a long time, the inside high temperature of SCR denitrification facility can accelerate the phenomenon of the ageing speed of the inside electrical components of soot blower, make the life of rake formula soot blower and steam soot blower prolonged.
Description
Technical Field
The utility model relates to a cement production technical field specifically is a dust removal device is united with grey to steam blowing and rake type blowing for cement trade SCR denitration project.
Background
The SCR denitration technology is mature in application in the electric power industry in China, and the emission of nitrogen oxides can reach below 50mg/Nm 3. Under the background of 'ultra-low emission' in the coal and electricity industry, the total emission amount of cement smoke pollutants is large, and particularly, nitrogen oxides account for 10-12% of the total emission amount of national industry. From 2017 to 2018, the 'ultralow emission' requirement that the emission concentration of nitrogen oxides in flue gas of the cement kiln is not higher than 100mg/Nm3 is successively provided by Jiangsu province and Zheng Zhou city. The national environmental protection requirement is becoming more and more strict, the cement industry faces huge pressure on emission reduction of nitrogen oxides, and further tightening of emission standards is a big trend of future development.
However, in the traditional steam soot blowing and rake soot blowing combined ash removal device for the cement industry SCR denitration project in the market, the steam soot blower and the rake soot blower are directly installed inside the SCR denitration device, and the steam soot blower and the rake soot blower are all inside the SCR denitration device regardless of the fact that soot blowing operation is not performed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cement trade SCR denitration project is with steam soot blowing and harrow formula soot blowing joint ash removal device to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a steam soot blowing and rake type soot blowing combined soot cleaning device for a cement industry SCR denitration project comprises an SCR denitration device, wherein a plurality of catalyst layers are arranged inside the SCR denitration device, a plurality of annular fixing plates are embedded and installed on the outer wall of the SCR denitration device, a plurality of box bodies and steam soot blowers are respectively arranged on the outer wall of each annular fixing plate, installation blocks are fixedly installed on the top portions and the bottom portions of the box bodies and one sides of the bottom portions of the steam soot blowers, which are abutted against the annular fixing plates, second threaded holes are formed in one sides of the installation blocks, the installation blocks are in threaded connection with bolts through the second threaded holes, first threaded holes matched with the second threaded holes in size and position are formed in the outer surface of each annular fixing plate, rake type soot blowers are fixedly installed on one sides, far away from the annular fixing plates, of the box bodies, rake type soot blowers, one side of box inner wall is fixed to alternate installs sealed movable sleeve, the box has harrow formula swinging pipe through sealed movable sleeve slidable mounting, be provided with a plurality of harrow formula soot blower pipe on the outer wall of harrow formula swinging pipe, the flexible pipe of fixedly connected with between harrow formula swinging pipe and the harrow formula output tube, one side that steam soot blower is close to annular fixed plate is provided with the steam output tube, the one end of steam output tube is provided with the steam nozzle.
As a further aspect of the present invention: one side fixed mounting on the harrow formula activity pipe outer wall has the dead lever, the top fixed mounting of dead lever has the horizontal pole, the one end fixed mounting of horizontal pole has the clamp plate, the other end fixed mounting of horizontal pole has the driving plate, one side fixedly connected with reset spring that the horizontal pole was kept away from to the driving plate, one side fixed mounting at box top has the motor, the drive end fixed mounting of motor has the cam plate, be provided with stop gear on the outer wall of horizontal pole.
As a further aspect of the present invention: the limiting mechanism comprises a limiting block, the bottom of the limiting block is fixedly connected with the outer wall of the cross rod, and a limiting groove is formed in the top of the inner wall of the box body.
As a further aspect of the present invention: the outer wall of the SCR denitration device is provided with a slide hole matched with the rake type movable pipe in size and position, and the SCR denitration device is in sliding connection with the rake type movable pipe through the slide hole arranged on the outer wall of the SCR denitration device.
As a further aspect of the present invention: and a sealing gasket is arranged at the joint of the annular fixing plate and the SCR denitration device.
As a further aspect of the present invention: the telescopic pipe is located inside the box body and made of soft materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a SCR denitrification facility, the box, the rake soot blower, the annular fixed plate, the steam soot blower, the catalyst layer, the bolt, the installation piece, the cooperation of first screw hole and second screw hole is used, rake soot blower and steam soot blower direct mount have been avoided inside the SCR denitrification facility, no matter there is not the operation of blowing the ash, all inside the SCR denitrification facility, go on for a long time, the inside high temperature of SCR denitrification facility can accelerate the phenomenon of the ageing speed of the inside electrical components of soot blower, make the life of rake soot blower and steam soot blower prolonged, be favorable to controlling enterprise's cost, be suitable for enterprise's long-term development.
2. The utility model uses the cooperation of the limiting block, the limiting groove, the motor, the cam plate, the extension tube, the rake type output tube, the pressing plate, the fixing rod, the cross rod, the sealing movable sleeve, the rake type movable tube, the driving plate, the reset spring, the steam nozzle, the rake type soot blowing tube, the steam output tube and the limiting mechanism, the steam soot blower improves the steam nozzle, increases the effective area of the steam soot blowing, realizes the soot blowing without dead angle at three hundred and sixty degrees, greatly improves the soot blowing efficiency, the rake type movable tube drives the rake type soot blowing tube to do a transverse reciprocating motion in the SCR denitration device, the compressed air is sprayed from a plurality of rake type soot blowing tubes, and the soot blowing range is enlarged through the mobility of the rake type soot blowing tube, the compressed air continuously impacts and cleans the upper surface of the catalyst layer to achieve the soot cleaning effect, the combined soot cleaning of the rake type soot blower and the steam soot blower is realized, the working efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a steam soot-blowing and rake soot-blowing combined ash removal device for a cement industry SCR denitration project;
FIG. 2 is an enlarged schematic structural diagram of a steam soot-blowing and rake soot-blowing combined soot cleaning device for the SCR denitration project in the cement industry at the position A in FIG. 1;
fig. 3 is an enlarged structural schematic diagram at a position B in fig. 2 of a steam soot-blowing and rake soot-blowing combined soot cleaning device for a cement industry SCR denitration project.
In the figure: the device comprises an SCR denitration device 1, a box body 2, a rake type soot blower 3, an annular fixed plate 4, a steam soot blower 5, a catalyst layer 6, a limiting block 7, a limiting groove 8, a motor 9, a cam plate 10, an extension pipe 11, a rake type output pipe 12, a pressure plate 13, a fixed rod 14, a cross rod 15, a bolt 16, a sealing movable sleeve 17, a rake type movable pipe 18, a transmission plate 19, a reset spring 20, a steam nozzle 21, a rake type soot blowing pipe 22, a steam output pipe 23, a first threaded hole 24, a second threaded hole 25, a mounting block 26 and a limiting mechanism 27.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a steam soot blowing and rake soot blowing combined soot cleaning device for a cement industry SCR denitration project comprises an SCR denitration device 1, a plurality of catalyst layers 6 are arranged inside the SCR denitration device 1, a plurality of annular fixing plates 4 are mounted on the outer wall of the SCR denitration device 1 in an embedded manner, a plurality of box bodies 2 and steam soot blowers 5 are respectively arranged on the outer wall of the annular fixing plates 4, mounting blocks 26 are fixedly mounted on the top and bottom sides of the box bodies 2 and the steam soot blowers 5, one side of each mounting block 26 is provided with a second threaded hole 25, each mounting block 26 is connected with a bolt 16 through the second threaded hole 25 in a threaded manner, a first threaded hole 24 matched with the second threaded hole 25 in size is formed on the outer surface of each annular fixing plate 4, the first threaded hole 24 is connected with the bolt 16 in a threaded manner, a rake soot blower 3 is fixedly mounted on one side of each box body 2 away from the annular fixing plate 4, a rake type output pipe 12 is arranged on the rake type soot blower 3 close to the box body 2, one end of the rake type output pipe 12 far away from the rake type soot blower 3 penetrates through one side of the box body 2 and extends into the box body 2, a sealing movable sleeve 17 is fixedly inserted and installed on one side of the inner wall of the box body 2, a rake type movable pipe 18 is slidably installed on the box body 2 through the sealing movable sleeve 17, one end of the rake type movable pipe 18 sequentially penetrates through the outer surface of the annular fixed plate 4 and the outer wall of the SCR denitration device 1 and extends into the SCR denitration device 1, a plurality of rake type soot blowing pipes 22 are arranged on the outer wall of the rake type movable pipe 18, a telescopic pipe 11 is fixedly connected between the rake type movable pipe 18 and the rake type output pipe 12, a steam output pipe 23 is arranged on one side of the steam soot blower 5 close to the annular fixed plate 4, and one end of the steam output pipe 23 far away from the steam soot blower 5 penetrates through the outer surface of the annular fixed plate 4 and the outer wall of the SCR denitration device 1 and extends into the SCR denitration device 1, one end of the steam output pipe 23 is provided with a steam nozzle 21, one side of the outer wall of the rake type movable pipe 18 is fixedly provided with a fixed rod 14, the top end of the fixed rod 14 is fixedly provided with a cross rod 15, one end of the cross rod 15 is fixedly provided with a pressing plate 13, the other end of the cross rod 15 is fixedly provided with a driving plate 19, one side of the driving plate 19 far away from the cross rod 15 is fixedly connected with a reset spring 20, one end of the reset spring 20 far away from the cross rod 15 is fixedly connected with one side of the inner wall of the box body 2, one side of the top of the box body 2 is fixedly provided with a motor 9, the driving end of the motor 9 penetrates through the top of the box body 2 and extends into the box body 2, the driving end of the motor 9 is fixedly provided with a cam plate 10, the outer wall of the cross rod 15 is provided with a limiting, and the limiting groove 8 is connected with the limiting block 7 in a sliding manner, a sliding hole matched with the rake type movable pipe 18 in size and position is formed in the outer wall of the SCR denitration device 1, the SCR denitration device 1 is connected with the rake type movable pipe 18 in a sliding manner through the sliding hole formed in the outer wall of the SCR denitration device 1, a sealing gasket is arranged at the joint of the annular fixed plate 4 and the SCR denitration device 1, the telescopic pipe 11 is located inside the box body 2, and the telescopic pipe 11 is made of soft materials.
The utility model discloses a theory of operation is:
when in use, the rake type soot blower 3 is fixed with the outer surface of the annular fixed plate 4 through the box body 2 through the bolt 16, meanwhile, the steam soot blower 5 is also directly fixed with the outer surface of the annular fixed plate 4 through the bolt 16, so that the rake type soot blower 3 and the steam soot blower 5 are both installed outside the SCR denitration device 1, after the installation, five steam soot blowers and four sound wave soot blowers are arranged on the outer surface of each annular fixed plate 4 for carrying out combined soot blowing, thereby avoiding the phenomenon that the rake type soot blower 3 and the steam soot blower 5 are directly installed inside the SCR denitration device, whether the soot blowing operation is carried out or not, the aging speed of electrical elements inside the soot blower is accelerated by the high temperature inside the SCR denitration device for a long time, prolonging the service lives of the rake type soot blower 3 and the steam soot blower 5, and being beneficial to controlling the enterprise cost, the rake type soot blower 3 and the steam soot blower 5 are improved in the using process, the effective area of steam soot blowing is increased, three hundred and sixty degrees dead-angle-free soot blowing is realized, soot blowing efficiency is greatly improved, the rake type soot blower 3 enables the driving end of the motor 9 to drive the cam plate 10 to rotate in the using process, the pressing plate 13, the cross rod 15, the driving plate 19 and the reset spring 20 are matched through the transmission effect of the cam plate 10, the cross rod 15 makes a transverse reciprocating motion, the movement of the cross rod 15 can drive the limiting block 7 to slide on the limiting groove 8, the cross rod 15 is limited through the limiting mechanism 27, the cross rod 15 can only make transverse movement, the transverse reciprocating motion of the cross rod 15 is ensured to be normally carried out, and meanwhile, the fixing rod 14 moves along with the cross rod 15, the removal of dead lever 14 drives harrow formula activity pipe 18 and removes, harrow formula activity pipe 18 drives harrow formula soot blowing pipe 22 and is a horizontal reciprocating motion in SCR denitrification facility 1's inside, spout compressed air from a plurality of harrow formula soot blowing pipes 22, and mobility through harrow formula soot blowing pipe 22, the soot blowing scope has been enlarged, compressed air lasts to strike and washs catalyst layer 6 upper surface, in order to reach the deashing effect, through the joint deashing of harrow formula soot blower 3 with steam soot blower 5, and the work efficiency is improved, and the production cost is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a cement trade SCR denitration project is with steam soot blowing and rake formula soot blowing joint ash removal device, includes SCR denitrification facility (1), its characterized in that: the SCR denitration device is characterized in that a plurality of catalyst layers (6) are arranged in the SCR denitration device (1), a plurality of annular fixing plates (4) are embedded and installed on the outer wall of the SCR denitration device (1), a plurality of box bodies (2) and steam soot blowers (5) are respectively arranged on the outer wall of the annular fixing plates (4), mounting blocks (26) are fixedly installed on one sides, close to the annular fixing plates (4), of the tops and the bottoms of the box bodies (2) and the steam soot blowers (5), second threaded holes (25) are formed in one sides of the mounting blocks (26), bolts (16) are connected to the mounting blocks (26) through the threads of the second threaded holes (25), first threaded holes (24) matched with the second threaded holes (25) in size and position are formed in the outer surface of the annular fixing plate (4), and rake type soot blowers (3) are fixedly installed on one side, far away from the annular fixing plates (4), of the box bodies (2), rake type soot blower (3) are close to box (2) and are provided with rake type output tube (12), sealed movable sleeve (17) are installed to one side fixed interlude of box (2) inner wall, box (2) have rake type movable tube (18) through sealed movable sleeve (17) slidable mounting, be provided with a plurality of rake type soot blowing pipe (22) on the outer wall of rake type movable tube (18), fixedly connected with flexible pipe (11) between rake type movable tube (18) and rake type output tube (12), one side that steam soot blower (5) are close to annular fixed plate (4) is provided with steam output tube (23), the one end of steam output tube (23) is provided with steam jet (21).
2. The cement industry SCR denitration project of claim 1 is with steam soot blowing and harrow formula soot blowing combination ash removal device which characterized in that: one side fixed mounting on harrow formula movable tube (18) outer wall has dead lever (14), the top fixed mounting of dead lever (14) has horizontal pole (15), the one end fixed mounting of horizontal pole (15) has clamp plate (13), the other end fixed mounting of horizontal pole (15) has driving plate (19), one side fixedly connected with reset spring (20) of horizontal pole (15) are kept away from in driving plate (19), one side fixed mounting at box (2) top has motor (9), the drive end fixed mounting of motor (9) has cam plate (10), be provided with stop gear (27) on the outer wall of horizontal pole (15).
3. The cement industry SCR denitration project of claim 2 is with steam soot blowing and harrow formula soot blowing combination ash removal device, characterized by: stop gear (27) include stopper (7), and the outer wall fixed connection of the bottom of stopper (7) and horizontal pole (15), spacing groove (8) have been seted up at the top of box (2) inner wall.
4. The cement industry SCR denitration project of claim 1 is with steam soot blowing and harrow formula soot blowing combination ash removal device which characterized in that: the outer wall of the SCR denitration device (1) is provided with a slide hole matched with the rake type movable pipe (18) in size and position, and the SCR denitration device (1) is connected with the rake type movable pipe (18) in a sliding mode through the slide hole arranged on the outer wall of the SCR denitration device.
5. The cement industry SCR denitration project of claim 1 is with steam soot blowing and harrow formula soot blowing combination ash removal device which characterized in that: and a sealing gasket is arranged at the joint of the annular fixing plate (4) and the SCR denitration device (1).
6. The cement industry SCR denitration project of claim 1 is with steam soot blowing and harrow formula soot blowing combination ash removal device which characterized in that: the telescopic pipe (11) is positioned inside the box body (2), and the telescopic pipe (11) is made of soft materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251814.2U CN214233524U (en) | 2020-12-29 | 2020-12-29 | Steam soot blowing and rake type soot blowing combined ash removal device for SCR denitration project in cement industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251814.2U CN214233524U (en) | 2020-12-29 | 2020-12-29 | Steam soot blowing and rake type soot blowing combined ash removal device for SCR denitration project in cement industry |
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| CN214233524U true CN214233524U (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487674A (en) * | 2022-09-27 | 2022-12-20 | 昆岳互联环境技术(江苏)有限公司 | Be suitable for clean soot blower system of high dust SCR denitration catalyst jam |
-
2020
- 2020-12-29 CN CN202023251814.2U patent/CN214233524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487674A (en) * | 2022-09-27 | 2022-12-20 | 昆岳互联环境技术(江苏)有限公司 | Be suitable for clean soot blower system of high dust SCR denitration catalyst jam |
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