CN216384225U

CN216384225U - Exhaust apparatus is used in denitration processing

Info

Publication number: CN216384225U
Application number: CN202122436830.7U
Authority: CN
Inventors: 程琳
Original assignee: Individual
Current assignee: Shandong Zhongyin Chemical Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-26
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an exhaust device for denitration processing, which comprises a body and an exhaust part arranged at the top of the body and used for exhausting, wherein the exhaust part comprises an air outlet arranged at the top of the body, an annular wall arranged at the top of the body and matched with the air outlet, an exhaust groove arranged on the top wall of the annular wall, a sealing cover arranged above the annular wall and a bulge arranged at the bottom of the sealing cover, the bottom of the exhaust groove is provided with a telescopic part for moving the sealing cover and the bulge, and the exhaust groove and the bulge are in the same shape.

Description

Exhaust apparatus is used in denitration processing

Technical Field

The utility model belongs to the technical field of denitration, and particularly relates to an exhaust device for denitration processing.

Background

Denitration means getting rid of nitrogen oxide's process in the burning flue gas, for preventing in the boiler coal burning after produce too much nitrogen oxide polluted environment, should carry out denitration treatment to the coal, the problem that prior art exists is: the process of denitration processing can generate toxic gas, so that personnel safety is ensured, and the environment can be polluted by gas denitration in time.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides an exhaust device for denitration processing, which has the advantage of automatic exhaust and solves the problems that in the existing denitration processing process, poisonous gas is generated, personnel is safe, and the gas denitration can pollute the environment in time.

The utility model is realized in such a way that the exhaust device for denitration processing comprises a body and an exhaust part arranged at the top of the body and used for exhausting, wherein the exhaust part comprises an air outlet arranged at the top of the body, an annular wall arranged at the top of the body and matched with the air outlet, an exhaust groove arranged on the top wall of the annular wall, a sealing cover arranged above the annular wall and a bulge part arranged at the bottom of the sealing cover, the bottom of the exhaust groove is provided with a telescopic part for moving the sealing cover and the bulge part, and the shape of the exhaust groove is the same as that of the bulge part.

Preferably, the telescopic part comprises a telescopic groove arranged at the bottom of the exhaust groove, a limiting groove arranged at the bottom of the telescopic groove, a telescopic rod arranged at the bottom of the boss, a limiting plate arranged at the bottom of the telescopic rod and a spring arranged at the top of the limiting plate, the top of the spring is connected with the top of the limiting groove, the telescopic rod is connected with the telescopic groove and extends into the limiting groove, and the diameter of the limiting groove is larger than that of the telescopic groove.

Preferably, the bottom of the limiting groove is provided with a stabilizer bar for preventing the telescopic rod from shaking, the telescopic rod is internally provided with a stabilizing groove matched with the stabilizer bar, and the stabilizer bar is connected with the stabilizing groove and extends into the stabilizing groove.

Preferably, the top of the body is provided with a dustproof bin for preventing dust from entering the exhaust duct, the side wall of the dustproof bin is provided with an exhaust port, the bottom of the exhaust port is provided with a rotating shaft, and the bottom of the rotating shaft is provided with a baffle for preventing dust from entering the dustproof bin.

Preferably, the bottom of the exhaust groove is provided with a sealing ring, and the bottom of the boss is provided with a sealing groove matched with the sealing ring.

Preferably, a filter screen for filtering impurities in the gas and preventing dust from blocking the exhaust duct is arranged in the gas outlet, and the cross section of the filter screen is in an inverted cone shape.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the gas outlet, the annular wall, the exhaust groove, the sealing cover and the bulge are arranged, so that gas can pass through the gas outlet and then contact with the sealing cover, the sealing cover is lifted, and then the gas is exhausted through the exhaust groove.

2. According to the utility model, by arranging the telescopic groove, the limiting groove, the telescopic rod, the limiting plate and the spring, the telescopic rod can be driven to ascend when the sealing cover ascends, then the limiting plate can enable the spring to contract, and the spring can reset when no gas is discharged, so that the function of automatic opening and closing is achieved.

3. According to the utility model, by arranging the stabilizer bar and the stabilizing groove, the telescopic rod can not shake when the stabilizer bar enters the stabilizing groove, and the stability is improved.

4. According to the utility model, through the arrangement of the dustproof bin, the exhaust port, the rotating shaft and the baffle plate, the gas can be contacted with the baffle plate to rotate the rotating shaft when being exhausted from the exhaust groove, and then the gas is exhausted from the exhaust port, so that the function of preventing external gas from entering the dustproof bin is achieved.

5. According to the utility model, the sealing ring and the sealing groove are arranged, so that the sealing groove can be clamped on the sealing ring, and the sealing effect is achieved.

6. According to the utility model, by arranging the filter screen, impurities in the gas can be filtered by the filter screen before the gas is discharged, so that the function of filtering the impurities is achieved.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a left side view provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A in accordance with an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to an embodiment of the present invention.

In the figure: 1. a body; 11. an air outlet; 12. an annular wall; 13. an exhaust groove; 14. a sealing cover; 15. a boss portion; 21. a telescopic groove; 22. a limiting groove; 23. a telescopic rod; 24. a limiting plate; 25. a spring; 31. a stabilizer bar; 32. a stabilizing slot; 41. a dust-proof bin; 42. an exhaust port; 43. a rotating shaft; 44. a baffle plate; 51. a seal ring; 52. a sealing groove; 61. and (4) a filter screen.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, an exhaust apparatus for denitration processing according to an embodiment of the present invention includes a body 1 and an exhaust member disposed on a top of the body 1 for exhausting, where the exhaust member includes an air outlet 11 disposed on the top of the body 1, an annular wall 12 disposed on the top of the body 1 and engaged with the air outlet 11, an exhaust groove 13 disposed on a top wall of the annular wall 12, a sealing cover 14 disposed above the annular wall 12, and a protruding portion 15 disposed at a bottom of the sealing cover 14, a telescopic member for moving the sealing cover 14 and the protruding portion 15 is disposed at the bottom of the exhaust groove 13, and the shape of the exhaust groove 13 is the same as that of the protruding portion 15.

Referring to fig. 4, the telescopic part includes a telescopic groove 21 disposed at the bottom of the exhaust groove 13, a limiting groove 22 disposed at the bottom of the telescopic groove 21, a telescopic rod 23 disposed at the bottom of the boss 15, a limiting plate 24 disposed at the bottom of the telescopic rod 23, and a spring 25 disposed at the top of the limiting plate 24, wherein the top of the spring 25 is connected to the top of the limiting groove 22, the telescopic rod 23 is connected to the telescopic groove 21 and extends into the limiting groove 22, and the diameter of the limiting groove 22 is greater than that of the telescopic groove 21.

Adopt above-mentioned scheme: by arranging the telescopic groove 21, the limiting groove 22, the telescopic rod 23, the limiting plate 24 and the spring 25, the telescopic rod 23 can be driven to ascend when the sealing cover 14 ascends, then the limiting plate 24 enables the spring 25 to contract, and the spring 25 can reset when no gas is exhausted, so that the function of automatic opening and closing is achieved.

Referring to fig. 4, a stabilizer bar 31 for preventing the telescopic rod 23 from shaking is disposed at the bottom of the limiting groove 22, a stabilizing groove 32 matched with the stabilizer bar 31 is disposed in the telescopic rod 23, and the stabilizer bar 31 is connected with the stabilizing groove 32 and extends into the stabilizing groove 32.

Adopt above-mentioned scheme: through setting up stabilizer bar 31 and stable groove 32, telescopic link 23 will not rock when can making stabilizer bar 31 get into stable groove 32, promotes stability.

Referring to fig. 3, a dustproof bin 41 for preventing dust from entering the exhaust duct 13 is arranged at the top of the body 1, an exhaust port 42 is arranged on the side wall of the dustproof bin 41, a rotating shaft 43 is arranged at the bottom of the exhaust port 42, and a baffle 44 for preventing dust from entering the dustproof bin 41 is arranged at the bottom of the rotating shaft 43.

Adopt above-mentioned scheme: through the arrangement of the dustproof bin 41, the exhaust port 42, the rotating shaft 43 and the baffle 44, when the gas is exhausted from the exhaust groove 13, the gas is contacted with the baffle 44 again to rotate the rotating shaft 43, and then the gas is exhausted from the exhaust port 42, so that the function of preventing the external gas from entering the dustproof bin 41 is achieved.

Referring to fig. 3, a sealing ring 51 is disposed at the bottom of the exhaust groove 13, and a sealing groove 52 is disposed at the bottom of the boss 15 and matches with the sealing ring 51.

Adopt above-mentioned scheme: by providing the seal ring 51 and the seal groove 52, the seal groove 52 can be caught by the seal ring 51, and a sealing function can be achieved.

Referring to fig. 3, a filter screen 61 for filtering impurities in the gas and preventing dust from blocking the exhaust duct 13 is disposed in the gas outlet 11, and the cross section of the filter screen 61 is in an inverted cone shape.

Adopt above-mentioned scheme: through setting up filter screen 61, can make the impurity in the gas before the gas outgoing will be filtered by filter screen 61, played the effect of filtering impurity.

The working principle of the utility model is as follows:

when the gas-tight sealing device is used, when gas enters the annular wall 12 from the gas outlet 11, the gas collides with the sealing cover 14, then the sealing cover 14 rises to drive the boss 15 to be separated from the exhaust groove 13, then the expansion rod 23 also rises along with the expansion rod, the expansion rod 23 rises to drive the limiting plate 24 to rise, the limiting plate 24 rises to drive the spring 25 to contract, at the moment, the gas can be discharged out of the annular wall 12 from the exhaust groove 13, then after a certain amount of gas is discharged, the spring 25 resets to drive the sealing cover 14 to fall to drive the boss 15 to enter the exhaust groove 13, then the sealing groove 52 is contacted with the sealing ring 51, at the moment, the sealing performance is improved, the gas outside the annular wall 12 cannot flow back, then the gas enters the dust-proof bin 41, when the gas in the dust-proof bin 41 is saturated, the gas is contacted with the baffle 44 to drive the baffle 44 to rotate through the rotating shaft 43, then the gas is discharged, and after the gas in the dust-proof bin 41 is discharged, at this time, the dust outside the dust-proof bin 41 will not enter the dust-proof bin 41.

In summary, the following steps: this exhaust apparatus is used in denitration processing, gas clashes sealed lid 14 when getting into annular wall 12 from gas outlet 11 through gas, then sealed lid 14 rises and drives bellying 15 and break away from exhaust duct 13, then telescopic link 23 also rises thereupon, telescopic link 23 rises and drives limiting plate 24 and rise, limiting plate 24 rises and drives spring 25 shrink, then after the gas outgoing is a certain quantity, spring 25 resets and drives sealed lid 14 and descends and make bellying 15 get into exhaust duct 13 in, then seal groove 52 and sealing ring 51 contact, the leakproofness will improve this moment, the current in-process at denitration processing can produce toxic gas personnel's safety, untimely to the problem that the gas denitration will pollute the environment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust apparatus is used in denitration processing, includes body (1) and locates body (1) top and be used for carminative part of giving vent to anger, its characterized in that: the gas outlet part comprises a gas outlet (11) arranged at the top of the body (1), an annular wall (12) arranged at the top of the body (1) and matched with the gas outlet (11), an exhaust groove (13) arranged on the top wall of the annular wall (12), a sealing cover (14) arranged above the annular wall (12) and a protruding part (15) arranged at the bottom of the sealing cover (14), wherein a telescopic part for enabling the sealing cover (14) and the protruding part (15) to move is arranged at the bottom of the exhaust groove (13), and the exhaust groove (13) is the same as the protruding part (15) in shape.

2. The exhaust apparatus for denitration processing according to claim 1, wherein: the telescopic part comprises a telescopic groove (21) arranged at the bottom of the exhaust groove (13), a limiting groove (22) arranged at the bottom of the telescopic groove (21), a telescopic rod (23) arranged at the bottom of the boss (15), a limiting plate (24) arranged at the bottom of the telescopic rod (23) and a spring (25) arranged at the top of the limiting plate (24), the top of the spring (25) is connected with the top of the limiting groove (22), the telescopic rod (23) is connected with the telescopic groove (21) and extends into the limiting groove (22), and the diameter of the limiting groove (22) is larger than that of the telescopic groove (21).

3. The exhaust apparatus for denitration processing according to claim 2, wherein: restriction groove (22) bottom is equipped with stabilizer bar (31) that prevent telescopic link (23) shake, be equipped with in telescopic link (23) with stabilizer bar (31) matched with stable groove (32), stabilizer bar (31) are connected with stable groove (32) and are extended to in the stable groove (32).

4. The exhaust apparatus for denitration processing according to claim 1, wherein: body (1) top is equipped with dust proof bin (41) that are used for preventing the dust from getting into in air discharge duct (13), be equipped with gas vent (42) on dust proof bin (41) lateral wall, gas vent (42) bottom is equipped with pivot (43), pivot (43) bottom is equipped with baffle (44) that are used for preventing the dust from getting into in dust proof bin (41).

5. The exhaust apparatus for denitration processing according to claim 1, wherein: the bottom of the exhaust groove (13) is provided with a sealing ring (51), and the bottom of the boss (15) is provided with a sealing groove (52) matched with the sealing ring (51).

6. The exhaust apparatus for denitration processing according to claim 1, wherein: be equipped with in gas outlet (11) and be arranged in the impurity of filtered gas and prevent that dust from blockking up filter screen (61) of air discharge duct (13), the cross-section of filter screen (61) is the back taper.