Denitration treatment equipment for waste flue gas of coke oven

Abstract

The utility model relates to the technical field of coke oven flue waste gas treatment, and discloses coke oven flue waste gas denitration treatment equipment which comprises a shell, a plurality of water pipe frames are arranged on the outer wall of the top of the shell, the bottom ends of the water pipe frames penetrate through the inner wall of the top of the shell and extend into the device, and spray heads are arranged at the bottom ends of the water pipe frames. A V-shaped filter plate is fixedly connected to the inner wall of the shell, an air inlet pipe and an exhaust pipe are arranged on the two sides of the shell and located above the V-shaped filter plate respectively, and a plurality of S-shaped drainage pipes are arranged at the bottom of the shell. According to the utility model, liquid is sprayed into the shell through the water pipe rack and the spray head and then reacts with waste gas to generate precipitates, the precipitates are filtered through the V-shaped filter plate and are left on the V-shaped filter plate for separation, and the precipitates generated by reaction can be prevented from blocking the filter holes in the V-shaped filter plate, so that the filter efficiency is improved. Therefore, the waste liquid filtering effect is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coke oven flue waste gas treatment technical field more particularly to a kind of coke oven flue waste gas denitration treatment equipment. BACKGROUND

[0002] Coke oven gas, also known as coke oven gas, is a kind of combustible gas produced during the high-temperature dry distillation of several types of bituminous coal in a coke oven, which is a byproduct of the coking industry. Before discharge, the waste gas needs to be denitrated.

[0003] According to the search, the Chinese patent with the publication number CN221492021U discloses a waste gas denitration equipment. The reducing agent spray nozzle reciprocally rotates to expand the spraying range, reducing the number of intermediate connecting pipes and reducing agent spray nozzles, and reducing the blockage of intermediate connecting pipes and reducing agent spray nozzles to waste gas. However, the reaction between the sprayed liquid and the nitrate in the gas produces precipitates, which need to be filtered after the waste liquid discharge device, which is relatively cumbersome. SUMMARY

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a coke oven flue waste gas denitration treatment equipment to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a coke oven flue waste gas denitration treatment equipment, comprising a shell, a plurality of water pipe racks are arranged on the top outer wall of the shell, and the bottom ends of the water pipe racks penetrate through the top inner wall of the shell and extend into the device, a plurality of spray heads are arranged on the bottom ends of the water pipe racks, a V-shaped filter plate is fixedly connected to the inner wall of the shell, an air inlet pipe and an air outlet pipe are arranged on the two sides of the shell above the V-shaped filter plate, a plurality of S-shaped drain pipes are arranged at the bottom of the shell, and a plurality of straight pipes are arranged in communication with the S-shaped drain pipes.

[0006] As a further scheme of the utility model, the V-shaped filter plate is rotatably connected to two groups of symmetrical rotating rods, each group has two symmetrical rotating rods, the top ends of the rotating rods penetrate through the upper surface of the V-shaped filter plate and are fixedly connected to connecting discs, a plurality of scraper plates in circular array are fixedly connected to the circumferential outer wall of the connecting discs, the lower surfaces of the plurality of groups of scraper plates are in contact with the upper surface of the V-shaped filter plate, and the bottom ends of the rotating rods are provided with a driving assembly for rotating the rotating rods.

[0007] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0008] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0009] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0010] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0011] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0012] As a further scheme of the utility model, the driving assembly comprises a plurality of worm gears, the plurality of worm gears are fixedly connected to the bottom ends of the plurality of rotating rods respectively, two symmetrical worm gears are rotatably connected between the inner walls of the two sides of the shell, the two worm gears are engaged with the two worm gears on the same side respectively, a driving pulley and a driven pulley are fixedly connected to one end of the two worm gears through the outer wall of the shell respectively, the driving pulley and the driven pulley are connected through a belt transmission, a motor is fixedly connected to one side of the shell, and one end of the output shaft of the motor is fixed to one end of one of the worm gears through the inner wall of the shell.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a V-shaped filter plate is arranged in the shell, and after the liquid is sprayed into the shell through the water pipe frame and the spray head, the precipitate is produced after the reaction with waste gas, and the V-shaped filter plate is used for filtering, and the precipitate is left on the V-shaped filter plate, so that separation is carried out.

[0015] 2. The utility model discloses a scraper is arranged, and the upper surface of the V-shaped filter plate can be scraped, so that the filter hole on the V-shaped filter plate is prevented from being blocked by the precipitate produced in the reaction, and the filtering effect of the waste liquid is prevented from being influenced.

[0016] 3. The utility model discloses through the drive assembly can through driving pulley and driven pulley and make two worm rotate simultaneously, and make multiple rotating rods rotate synchronously, and make multiple groups of scrapers rotate on V type filter plate, and then scrape the surface and work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front side three -dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It is the rear side three -dimensional structure schematic diagram of the utility model.

[0019] Figure 3 It is the Figure 1 Partial sectional view structure schematic diagram of the utility model.

[0020] Figure 4 It is the Figure 3 Partial enlarged structure schematic diagram of the utility model.

[0021] The figure mark is: 1, shell, 2, water pipe frame, 3, air inlet pipe, 4, avoid location mouth, 5, collection box, 6, motor, 7, exhaust pipe, 8, driving pulley, 9, driven pulley, 10, S type drain pipe, 11, straight pipe, 12, worm, 13, worm wheel, 14, V type filter plate, 15, rotating rod, 16, connecting disc, 17, scraper, 18, L type support rod, 19, connecting frame, 20, support frame. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only exemplified, and the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of the utility model protection.

[0023] Refer to Figures 1-4The utility model provides a coke oven flue gas denitration treatment equipment, including the casing 1, the top outer wall of casing 1 is equipped with a plurality of water pipe frame 2, and the bottom of water pipe frame 2 passes through the top inner wall of casing 1 and extends into the device, the bottom of a plurality of water pipe frame 2 is equipped with the shower nozzle, the inner wall of casing 1 is fixedly connected with V type filter plate 14 through bolt, and the both sides of casing 1 and located V type filter plate 14 top are equipped with air inlet pipe 3 and exhaust pipe 7 respectively, the bottom of casing 1 is equipped with a plurality of S type drain pipe 10, and a plurality of S type drain pipe 10 are equipped with the straight pipe 11 communicated with it, through the V type filter plate 14 of being equipped with in the casing 1, can be after the liquid is sprayed to the casing 1 in through the shower nozzle of water pipe frame 2 and reacts with the waste gas and produces the precipitate, and the V type filter plate 14 is filtered, and the precipitate is left in the V type filter plate 14, and then separates.

[0024] In the utility model, the V type filter plate 14 is rotatably connected with the symmetrical two groups of rotating rods 15, each group is symmetrical two, the top of a plurality of rotating rods 15 passes through the upper surface of V type filter plate 14 and is fixedly connected with the connecting disc 16 through bolt, the circumferential outer wall of a plurality of connecting discs 16 is fixedly connected with the multiple scrapers 17 of circular array, and the lower surfaces of multiple scrapers 17 are in contact with the upper surface of V type filter plate 14, and the bottom of rotating rod 15 is provided with the drive assembly for rotating, the scraper 17 provided can scrape the upper surface of V type filter plate 14, thereby avoiding that the precipitate produced in reaction blocks the filter hole on V type filter plate 14, thereby affecting the filtering effect of waste liquid, the drive assembly includes a plurality of worm gears 13, the bottom of a plurality of rotating rods 15 is fixedly connected with a plurality of worm gears 13 through bolt, the two sides inner walls of casing 1 are rotatably connected with the symmetrical two worm gears 12, and the two worm gears 12 are engaged with the two worm gears 13 of same side, and one end of two worm gears 12 passes through the one side outer wall of casing 1 and is fixedly connected with driving pulley 8 and driven pulley 9 through bolt respectively, and driving pulley 8 and driven pulley 9 are driven connected through belt, and one side of casing 1 is fixedly connected with motor 6 through bolt, and one end of motor 6 output shaft passes through the one side inner wall of casing 1 and is fixed with one end of one of worm gears 12, the drive assembly provided can make two worm gears 12 rotate simultaneously through driving pulley 8 and driven pulley 9, thereby making a plurality of rotating rods 15 rotate synchronously, thereby making multiple scrapers 17 rotate on V type filter plate 14, and thereby scraping the surface.

[0025] In order to facilitate the treatment of the generated precipitate, the shell 1 is provided with an avoidance opening 4 on both sides and below the V-shaped filter plate 14, the avoidance opening 4 is slidably connected with a collecting box 5, one side of the two collecting boxes 5 is fixedly connected with a handle through bolts, the precipitate on the V-shaped filter plate 14 can be scraped to the bottom of the V-shaped filter plate 14 through the collecting box 5, and then flows into the collecting box 5, the collecting box 5 is provided with the same filter hole as the V-shaped filter plate 14, the V-shaped filter plate 14 part above the collecting box 5 is provided with an avoidance hole larger than the filter hole of other parts, which can facilitate the flow of the precipitate into the collecting box 5, and can prevent the precipitate from flowing out of the collecting box 5, thereby affecting the filtering effect of the device.

[0026] In order to increase the stability of the device, a plurality of S-shaped drainage pipes 10 are fixedly connected with connecting frames 19 on the circumferential outer wall through bolts, and one end of the plurality of connecting frames 19 is fixed with the bottom outer wall of the shell 1, which can increase the stability of the fixation of the plurality of S-shaped drainage pipes 10 and prevent loosening, the bottom outer wall of the shell 1 is fixedly connected with a supporting frame 20 through bolts, the bottom of the supporting frame 20 is fixedly connected with a mounting plate, a plurality of mounting holes are formed in the plurality of mounting plates, the device can be fixed, thereby increasing the stability of the device, and a plurality of L-shaped supporting rods 18 are fixedly connected with the inner walls of the two sides of the shell 1 below the avoidance opening 4 through bolts, and the plurality of L-shaped supporting rods 18 are in contact with the collecting box 5.

[0027] The utility model discloses in use is divided into following several steps:

[0028] S1: before treating the waste gas, the air inlet pipe 3 and the exhaust pipe 7 on the shell 1 are connected with the corresponding pipeline, the connector at the top of the water pipe frame 2 is communicated with the reducing liquid water tank, and the spraying is carried out through the nozzle, the waste gas is input through the air inlet pipe 3, is sprayed in the shell 1, and the nitrate in the shell 1 is eliminated, and then is discharged through the exhaust pipe 7;

[0029] S2: the waste liquid that the nitrate reaction with reducing liquid forms precipitate is filtered through the V-shaped filter plate 14, and then the precipitate is left above the V-shaped filter plate 14, the motor 6 is started to drive the worm 12, and the other worm 12 is driven to rotate through the driving pulley 8 and the driven pulley 9, and then the plurality of worm gears 13 meshed with the worm 12 are rotated to make the rotating rod 15 rotate, and the connecting disc 16 at the top of the rotating rod 15 is rotated, and then the scraper 17 is rotated on the upper surface of the V-shaped filter plate 14 to scrape off, so that the precipitate falls into the collecting box 5 for collection and treatment, the waste gas treatment and filtration are carried out at the same time, and the working efficiency of the device is greatly increased.

[0030] Finally should be explained a few points is: in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0031] The utility model discloses the embodiment of the drawings, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A coke oven flue gas denitration treatment equipment comprising a shell (1), characterized in that: The top outer wall of the shell (1) is provided with a plurality of water pipe racks (2), and the bottom end of the water pipe rack (2) extends into the device through the top inner wall of the shell (1), the bottom end of the plurality of water pipe racks (2) is provided with a spray head, the inner wall of the shell (1) is fixedly connected with a V-shaped filter plate (14), the two sides of the shell (1) and above the V-shaped filter plate (14) are respectively provided with an air inlet pipe (3) and an air outlet pipe (7), and the bottom of the shell (1) is provided with a plurality of S-shaped drain pipes (10), and the plurality of S-shaped drain pipes (10) are provided with a straight pipe (11) communicated therewith.

2. The coke oven flue gas denitration treatment equipment according to claim 1, characterized in that: The V-shaped filter plate (14) is rotatably connected with two groups of rotating rods (15) which are symmetrical, each group is symmetrical, the top end of the rotating rod (15) is fixedly connected with a connecting disc (16) which penetrates the upper surface of the V-shaped filter plate (14), a plurality of scraper plates (17) in circular array are fixedly connected on the circumferential outer wall of the connecting disc (16), and the lower surfaces of the plurality of groups of scraper plates (17) are in contact with the upper surface of the V-shaped filter plate (14), and the bottom end of the rotating rod (15) is provided with a driving assembly for rotating.

3. The coke oven flue gas denitration treatment equipment according to claim 2, characterized in that: The driving assembly comprises a plurality of worm gears (13), and the plurality of worm gears (13) are fixedly connected at the bottom end of the plurality of rotating rods (15), the two sides of the shell (1) are rotatably connected with two symmetrical worm gears (12), and the two worm gears (12) are engaged with the two worm gears (13) on the same side, one end of the two worm gears (12) penetrates the one side outer wall of the shell (1) and is fixedly connected with a driving pulley (8) and a driven pulley (9), the driving pulley (8) and the driven pulley (9) are drivingly connected through a belt, and the shell (1) is fixedly connected with a motor (6) on one side, and one end of the output shaft of the motor (6) penetrates the one side inner wall of the shell (1) and is fixedly connected with one end of the worm gear (12).

4. The coke oven flue gas denitration treatment equipment according to claim 3, characterized in that: The two sides of the shell (1) and below the V-shaped filter plate (14) are provided with an avoiding opening (4), the avoiding opening (4) is slidably connected with a collecting box (5), and the two collecting boxes (5) are fixedly connected with handles on one side.

5. The coke oven flue gas denitration treatment equipment according to claim 4, characterized in that: The collecting box (5) is provided with the same filter hole as the V-shaped filter plate (14) on the upper surface, and the V-shaped filter plate (14) part above the collecting box (5) is provided with an avoiding hole larger than the filter hole of other parts.

6. The coke oven flue gas denitration treatment equipment according to claim 1, characterized in that: The circumferential outer wall of the plurality of S-shaped drain pipes (10) is fixedly connected with a connecting frame (19), and one end of the plurality of connecting frames (19) is fixedly connected with the bottom outer wall of the shell (1).

7. The coke oven flue gas denitration treatment equipment according to claim 3, characterized in that: The bottom outer wall of the shell (1) is fixedly connected with a support frame (20), the bottom of the support frame (20) is fixedly connected with a mounting plate, and a plurality of mounting holes are formed in the mounting plate.

8. The coke oven flue gas denitration treatment equipment according to claim 4, characterized in that: The two sides of the shell (1) and below the avoiding opening (4) are fixedly connected with a plurality of L-shaped supporting rods (18) with the same interval, and the plurality of L-shaped supporting rods (18) are in contact with the collecting box (5).

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