CN216518222U

CN216518222U - SCR mixer equipment

Info

Publication number: CN216518222U
Application number: CN202123417292.3U
Authority: CN
Inventors: 姜煜; 管正; 高林号
Original assignee: Nanjing Southeast Industrial Equipment Corp
Current assignee: Nanjing Southeast Industrial Equipment Corp
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-13
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses SCR mixer equipment which comprises an equipment body, wherein a partition plate, a spraying ring and a partition plate mixer are sequentially arranged inside the equipment body, a cleaning mechanism for cleaning the outer wall of the equipment body is arranged inside the equipment body and close to the partition plate mixer, and a collecting mechanism for collecting dust cleaned by the cleaning mechanism is also arranged at the bottom of the equipment body. According to the utility model, the cleaning mechanism is arranged in the equipment body, so that when tail gas enters the equipment body, the turbine blades are driven to rotate, and the scraper plate is further driven to clean dust on the outer wall of the partition plate mixer; meanwhile, through the arranged return pipe, the treated tail gas can be conveyed to the top of the separator mixer again through the return pipe, untreated dust on the scraper plate on the outer wall of the separator mixer is treated, and the treated dust automatically falls into a collecting box of a collecting mechanism to be collected, so that self-cleaning treatment of the interior of the equipment body is realized.

Description

SCR mixer equipment

Technical Field

The utility model relates to the technical field of SCR, in particular to SCR mixer equipment.

Background

The SCR selective catalytic reduction method is a technique of preferentially reducing nitrogen oxides to nitrogen gas with high selectivity under the condition that the oxygen concentration is higher than the nitrogen oxide concentration by more than two orders of magnitude by using ammonia, ammonia water, urea or hydrocarbons as a reducing agent. After being treated by the SCR system, the tail gas of the diesel engine meets the emission regulation. The catalysis is to reduce the activation energy of the reaction and reduce the reaction temperature to a proper temperature range, so that the oxidation-reduction reaction is easy to carry out.

The existing SCR mixer for the diesel engine still has the defects, for example, a cleaning structure is not arranged in the mixer, the interior of the mixer cannot be subjected to self-cleaning treatment, the phenomena of internal blockage and reduced circulation of the mixer are easily caused, and the functionality is poor.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve the drawbacks of the prior art and to provide an SCR mixer arrangement.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a SCR blender equipment, includes the equipment body, the inside of equipment body is equipped with the baffle in proper order, spouts ring and baffle blender, the inside of equipment body just is close to the baffle blender and is equipped with the clean mechanism that is used for clearing up its outer wall, the bottom of equipment body still is equipped with the collection mechanism that is used for collecting the dust of clean mechanism clearance.

Preferably, the cleaning mechanism comprises a fixing rod which is fixedly connected to the inner wall of the equipment body, the fixing rod is provided with turbine blades in a rotating mode through a rotating shaft, and the outer wall of one side, close to the partition plate mixer, of each turbine blade is provided with a scraper.

Preferably, the inside of equipment body and be close to the baffle blender and be equipped with the outlet duct, and the gas outlet department of outlet duct is equipped with the back flow, the one end that the outlet duct was kept away from to the back flow extends to the inside of equipment body and is located the top of baffle blender.

Preferably, collect the mechanism including collecting the box, the mounting groove has been seted up to the bottom of equipment body and being located the baffle blender under, it is located the mounting groove to collect the box, the bottom of collecting the box articulates there is the fly leaf, and the fly leaf keeps away from the fixed first magnetite that is equipped with in one end at articulated position, the outer wall of collecting the box is equipped with the second magnetite with first magnetite looks magnetic adsorption.

Preferably, the fixed waste gas box that is equipped with of one end that the equipment body is close to the baffle, and the waste gas box one end of keeping away from the equipment body is equipped with the intake pipe, a plurality of through-holes have been seted up on the baffle.

Preferably, a plurality of liquid spraying pipes are uniformly distributed on the inner wall of the spraying ring, and a liquid inlet pipe is installed at the top of the spraying ring.

Compared with the prior art, the utility model has the beneficial effects that: the cleaning mechanism is arranged in the equipment body, so that when tail gas enters the equipment body, the turbine blades are driven to rotate, and the scraper is further driven to clean dust on the outer wall of the partition plate mixer; meanwhile, through the arranged return pipe, the treated tail gas can be conveyed to the top of the separator mixer again through the return pipe, untreated dust on the scraper plate on the outer wall of the separator mixer is treated, and the treated dust automatically falls into a collecting box of a collecting mechanism to be collected, so that self-cleaning treatment of the interior of the equipment body is realized.

Drawings

Fig. 1 is a schematic structural diagram of an SCR mixer apparatus according to the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

fig. 3 is a schematic structural view of fig. 2 from another angle.

In the figure: 1. an apparatus body; 2. an exhaust gas box; 3. an air inlet pipe; 4. a liquid inlet pipe; 5. a return pipe; 6. a collection box; 7. a partition plate; 8. a through hole; 9. spraying rings; 10. a liquid spraying pipe; 11. a baffle mixer; 12. an air outlet pipe; 13. fixing the rod; 14. a movable plate; 15. a first magnet; 16. a second magnet; 17. a rotating shaft; 18. a turbine blade; 19. a scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an SCR mixer device includes a device body 1, a partition plate 7, a spray ring 9 and a partition plate mixer 11 are sequentially disposed inside the device body 1, a cleaning mechanism for cleaning the outer wall of the device body 1 is disposed inside the device body 1 and near the partition plate mixer 11, and a collecting mechanism for collecting dust cleaned by the cleaning mechanism is further disposed at the bottom of the device body 1.

The cleaning mechanism comprises a fixing rod 13, the fixing rod 13 is fixedly connected to the inner wall of the equipment body 1, turbine blades 18 are arranged on the fixing rod 13 in a rotating mode through a rotating shaft 17, a scraper blade 19 is arranged on the outer wall, close to the partition board mixer 11, of one side of each turbine blade 18, an air outlet pipe 12 is arranged inside the equipment body 1 and close to the partition board mixer 11, an air outlet of the air outlet pipe 12 is provided with a return pipe 5, and one end, far away from the air outlet pipe 12, of the return pipe 5 extends to the inside of the equipment body 1 and is located at the top of the partition board mixer 11. After the equipment body 1 is arranged on an automobile tail gas pipe, when automobile tail gas passes through the equipment body 1, turbine blades 18 in the equipment body 1 are driven to rotate, and then a scraper 19 is driven to rotate, so that dust on the outer wall of the partition plate mixer 11 is cleaned; the tail gas after the simultaneous processing passes through outlet duct 12 simultaneously and discharges, and tail gas gets into back flow 5 and discharges to the top of baffle blender 11 through the other end of back flow 5, clears up the dust that scraper blade 19 did not handle totally for the clean effect of baffle blender 11 is better, avoids baffle blender 11 to appear blockking up.

Collect the mechanism including collecting box 6, the mounting groove has been seted up to the bottom of equipment body 1 and being located baffle blender 11 under, collects box 6 and is located the mounting groove, and the bottom of collecting box 6 articulates there is fly leaf 14, and fly leaf 14 keeps away from the fixed first magnetite 15 that is equipped with in one end at articulated position, and the outer wall of collecting box 6 is equipped with the second magnetite 16 with first magnetite 15 looks magnetic adsorption. When the scraper 19 cleans the separator mixer 11, the cleaned dust automatically falls to the top of the movable plate 14 at the bottom of the collecting box 6 for collection, and the dust blown down by the return pipe 5 also automatically falls to the top of the movable plate 14; when the dust on the top of the movable plate 14 is collected sufficiently, the first magnet 15 and the second magnet 16 are separated by means of wind force generated by the return pipe 5, the movable plate 14 is opened downwards, the dust collected on the top is automatically discharged to the outside of the collection box 6, and after the movable plate 14 is opened, a vehicle encounters a bumpy road surface in the driving process, so that the movable plate 14 rotates up and down, the first magnet 15 and the second magnet 16 are magnetically adsorbed together again, the movable plate 14 is reset, and the dust is collected again.

Fixed being equipped with waste gas box 2 of one end that equipment body 1 is close to baffle 7, and waste gas box 2 keeps away from equipment body 1's one end and is equipped with intake pipe 3, has seted up a plurality of through-holes 8 on the baffle 7, and the inner wall evenly distributed who spouts ring 9 has a plurality of hydrojet pipes 10, spouts ring 9's top and installs feed liquor pipe 4.

In the utility model, after the equipment body 1 is arranged on the automobile tail gas pipe, when the automobile tail gas passes through the equipment body 1, the turbine blades 18 in the equipment body 1 are driven to rotate, and then the scraper blade 19 is driven to rotate, so that the dust on the outer wall of the clapboard mixer 11 is cleaned; meanwhile, the treated tail gas is discharged through the gas outlet pipe 12, enters the return pipe 5 and is discharged to the top of the clapboard mixer 11 through the other end of the return pipe 5, and the dust which is not treated by the scraper 19 is cleaned, so that the cleaning effect of the clapboard mixer 11 is better; when the scraper 19 cleans the separator mixer 11, the cleaned dust automatically falls to the top of the movable plate 14 at the bottom of the collecting box 6 for collection, and the dust blown down by the return pipe 5 also automatically falls to the top of the movable plate 14; when the dust on the top of the movable plate 14 is collected sufficiently, the first magnet 15 and the second magnet 16 are separated by means of wind force generated by the return pipe 5, the movable plate 14 is opened downwards, the dust collected on the top is automatically discharged to the outside of the collection box 6, and after the movable plate 14 is opened, a vehicle encounters a bumpy road surface in the driving process, so that the movable plate 14 rotates up and down, the first magnet 15 and the second magnet 16 are magnetically adsorbed together again, the movable plate 14 is reset, and the dust is collected again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a SCR blender equipment, includes equipment body (1), its characterized in that, the inside of equipment body (1) is equipped with baffle (7) in proper order, spouts ring (9) and baffle blender (11), the inside of equipment body (1) just is close to baffle blender (11) and is equipped with the clean mechanism that is used for clearing up its outer wall, the bottom of equipment body (1) still is equipped with the collection mechanism that is used for collecting the dust of clean mechanism clearance.

2. An SCR mixer apparatus as claimed in claim 1, wherein the cleaning mechanism comprises a fixed rod (13), the fixed rod (13) is fixedly connected to the inner wall of the apparatus body (1), the fixed rod (13) is rotatably provided with a turbine blade (18) by a rotating shaft (17), and the outer wall of the turbine blade (18) near the partition mixer (11) is provided with a scraper (19).

3. An SCR mixer device according to claim 2, characterized in that the inside of the device body (1) near the baffle mixer (11) is provided with an outlet duct (12), and the outlet of the outlet duct (12) is provided with a return duct (5), the end of the return duct (5) remote from the outlet duct (12) extending to the inside of the device body (1) and being located at the top of the baffle mixer (11).

4. The SCR mixer device of claim 1, wherein the collecting mechanism comprises a collecting box (6), a mounting groove is formed in the bottom of the device body (1) and is located under the partition mixer (11), the collecting box (6) is located in the mounting groove, a movable plate (14) is hinged to the bottom of the collecting box (6), a first magnet (15) is fixedly arranged at one end, away from the hinged portion, of the movable plate (14), and a second magnet (16) which is magnetically adsorbed to the first magnet (15) is arranged on the outer wall of the collecting box (6).

5. The SCR mixer device of claim 1, wherein the exhaust box (2) is fixedly arranged at one end of the device body (1) close to the partition plate (7), the air inlet pipe (3) is arranged at one end of the exhaust box (2) far away from the device body (1), and the partition plate (7) is provided with a plurality of through holes (8).

6. An SCR mixer device according to claim 1, characterised in that the inner wall of the spray ring (9) is evenly distributed with a plurality of spray pipes (10), and the top of the spray ring (9) is provided with a liquid inlet pipe (4).