CN216654093U

CN216654093U - Denitration device capable of fully utilizing ceramic pipe

Info

Publication number: CN216654093U
Application number: CN202122970862.5U
Authority: CN
Inventors: 沈天奇
Original assignee: Zhangjiagang Jinming Environmental Protection Engineering Equipment Co ltd
Current assignee: Zhangjiagang Jinming Environmental Protection Engineering Equipment Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-03
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a denitration device capable of fully utilizing ceramic tubes, which comprises a main frame and a purification chamber fixedly arranged at the upper end of the main frame, wherein the upper end of the purification chamber is provided with an installation box, the bottom of the inner side of the installation box is provided with a catalyst module, the catalyst module comprises a positioning frame fixed at the inner side of the installation box, the inner side of the positioning frame is provided with a bracket, the surface of the bracket is provided with a vent hole, the upper side of the bracket is provided with catalyst plates, the brackets are fixed at the inner side of the positioning frame at equal intervals, and the catalyst plates are paved on the upper surface of the bracket at equal intervals in a staggered manner; through the catalyst module of design, be provided with the install bin at the top of clean room, can lay one deck catalyst module in the install bin after denitration efficiency reduces, through catalyst module cooperation ceramic pipe body to flue gas denitration treatment, can make full use of ceramic pipe body when using to avoid ceramic pipe body when changing the phenomenon that does not appear making full use of.

Description

Denitration device capable of fully utilizing ceramic pipe

Technical Field

The utility model belongs to the technical field of denitration, and particularly relates to a denitration device capable of fully utilizing a ceramic pipe.

Background

The flue gas denitration technology mainly comprises a dry method (selective catalytic reduction flue gas denitration, selective non-catalytic reduction denitration) and a wet method. Compared with the wet flue gas denitration technology, the dry flue gas denitration technology has the main advantages that: low basic investment, simple equipment and process, high NOx removing efficiency, no wastewater and waste treatment and difficult secondary pollution.

At present, the ceramic tube integrated desulfurization and denitrification technology is fully determined in the atmospheric environment-friendly treatment effect of various industries, a large number of projects are put into use, and the treatment effect meets the national and local environment-friendly standards.

The activity of the catalyst attached to the ceramic tube is gradually reduced along with the operation time, and is limited by conditions such as a process and the like, and the denitration efficiency of the catalyst can not be ensured after the catalyst operates for 5 years under complex operation conditions. The service life of the ceramic tube body can be as long as 8 years, and at the moment, if the ceramic tube is completely replaced, the cost is high, and the ceramic tube body cannot be fully utilized, so that the denitration device capable of fully utilizing the ceramic tube is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a denitration apparatus capable of fully utilizing a ceramic tube, so as to solve the above-mentioned problems of the background art.

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

the utility model provides a denitrification facility of ceramic pipe can make full use of, includes body frame and the clean room of fixed mounting in the body frame upper end, the upper end of clean room is provided with the install bin, the inboard bottom of install bin is provided with catalyst module, catalyst module is including fixing the locating rack in the install bin inboard, the inboard of locating rack is provided with the bracket, the air vent has been seted up on the surface of bracket, the upside of bracket is provided with the catalyst board.

Preferably, the brackets are fixed on the inner side of the positioning frame at equal intervals, and the catalyst plates are laid on the upper surfaces of the brackets at equal intervals in a staggered mode.

Preferably, a mounting frame is arranged on the inner side of the purifying chamber corresponding to the catalyst module, a ceramic tube body is arranged on the lower side of the mounting frame, the upper end of the ceramic tube body is fixedly connected with the mounting frame through a fixed pressing frame, an injection air box is arranged on one side of the purifying chamber, an injection pipe is arranged on the upper side of the mounting frame, and one end of the injection pipe is communicated with the injection air box.

Preferably, one side of the purification chamber is provided with an air inlet mechanism, one side of the installation box is provided with an air outlet, and an access hole is formed in the position, corresponding to the catalyst module, of one side of the installation box.

Preferably, the air inlet mechanism comprises an outer air guide tube and an outer air inlet tube which are fixed on the purifying chamber, the inner air guide tube is arranged in the outer air guide tube, the inner side of the outer air inlet tube is provided with an inner air inlet tube, one end of the inner air inlet tube penetrates through the outer air inlet tube, the other end of the inner air inlet tube is communicated with the inner air guide tube, and the outer air inlet tube is communicated with the space between the outer air guide tube and the inner air guide tube.

Preferably, the surface of the inner air duct is provided with an air guide hole, the air guide hole is communicated with the inner air duct and the inner air inlet pipe, an air guide spiral plate is fixedly connected between the outer air duct and the inner air duct, and the position of the air guide spiral plate is staggered with the position of the air guide hole.

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

1. through the catalyst module of design, be provided with the install bin at the top of clean room, can lay one deck catalyst module in the install bin after denitration efficiency reduces, through catalyst module cooperation ceramic pipe body to flue gas denitration treatment, can make full use of ceramic pipe body when using to avoid ceramic pipe body when changing the phenomenon that does not appear making full use of.

2. Through the mechanism of admitting air of design, let in flue gas and ammonia respectively through outer intake pipe and interior intake pipe when using, then the direction and the injection of air guide hole through air guide spiral plate and interior air duct make flue gas and ammonia intensive mixing to improve denitration efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a catalyst module according to the present invention;

FIG. 3 is a schematic structural view of an air intake mechanism of the present invention;

in the figure: 1. a main frame; 2. a clean room; 3. an air intake mechanism; 4. a ceramic tube body; 5. a mounting frame; 6. fixing a pressing frame; 7. installing a box; 8. a catalyst module; 9. an access hole; 10. an exhaust port; 11. an air blowing box; 12. a blowing pipe; 13. a positioning frame; 14. a bracket; 15. a catalyst plate; 16. a vent hole; 17. an outer airway tube; 18. an outer air inlet pipe; 19. an inner air inlet pipe; 20. an inner gas-guide tube; 21. an air guide spiral plate; 22. and air vents.

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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: a denitration device capable of fully utilizing ceramic tubes comprises a main frame 1 and a purification chamber 2 fixedly installed at the upper end of the main frame 1, an installation box 7 is arranged at the upper end of the purification chamber 2, a catalyst module 8 is arranged at the bottom of the inner side of the installation box 7, the catalyst module 8 comprises a positioning frame 13 fixed at the inner side of the installation box 7, a bracket 14 is arranged at the inner side of the positioning frame 13, a vent hole 16 is arranged on the surface of the bracket 14, a catalyst plate 15 is arranged at the upper side of the bracket 14, the bracket 14 is equidistantly fixed at the inner side of the positioning frame 13, and the catalyst plate 15 is equidistantly and staggeredly paved on the upper surface of the bracket 14, when the denitration efficiency is reduced after the catalyst on the surface of the ceramic tube body 4 is reacted, a layer of catalyst module 8 can be laid in the installation box 7, through catalyst module 8 cooperation ceramic pipe body 4 to flue gas denitration treatment, can make full use of ceramic pipe body 4 when using.

As apparent from the above description, the present invention has the following advantageous effects: be provided with install bin 7 at the top of clean room 2, can lay one deck catalyst module 8 in install bin 7 after denitration efficiency reduces, through catalyst module 8 cooperation ceramic pipe body 4 to flue gas denitration treatment, can make full use of ceramic pipe body 4 when using to avoid ceramic pipe body 4 to appear not having make full use of's phenomenon when changing.

Further, can refer to fig. 1, the inboard position that corresponds catalyst module 8 of clean room 2 is provided with mounting bracket 5, the downside of mounting bracket 5 is provided with ceramic tube body 4, fixed pressure frame 6 and mounting bracket 5 fixed connection are passed through to the upper end of ceramic tube body 4, make ceramic tube body 4 more stable when installing and using, reduce the phenomenon of collision each other, one side of clean room 2 is provided with jetting gas tank 11, the upside of mounting bracket 5 is provided with jetting pipe 12, the one end and the 11 intercommunications of jetting pipe 12, can spray water to ceramic tube body 4 through jetting gas tank 11 and jetting pipe 12 and wash, thereby avoid ceramic tube body 4 surface adsorption dust to influence the treatment effect.

Further, referring to fig. 1, an air inlet mechanism 3 is disposed on one side of the purification chamber 2, an air outlet 10 is disposed on one side of the installation box 7, and an access opening 9 is disposed on one side of the installation box 7 corresponding to the catalyst module 8.

The second embodiment:

referring to fig. 1 to fig. 3, on the basis of the first embodiment, the present invention provides a technical solution: the air inlet mechanism 3 comprises an outer air duct 17 and an outer air inlet duct 18 which are fixed on the purifying chamber 2, an inner air duct 20 is arranged inside the outer air duct 17, an inner air inlet duct 19 is arranged inside the outer air duct 18, one end of the inner air inlet duct 19 penetrates through the outer air inlet duct 18, the other end of the inner air inlet duct 19 is communicated with the inner air duct 20, and the outer air inlet duct 18 is communicated with the space between the outer air duct 17 and the inner air duct 20; air guide hole 22 has been seted up on the surface of interior air duct 20, air guide hole 22 and interior air duct 20 inside and interior intake pipe 19 intercommunication, fixedly connected with air guide spiral plate 21 between outer air duct 17 and the interior air duct 20, and the position of air guide spiral plate 21 and air guide hole 22's position are crisscross each other, and outer intake pipe 18 and interior intake pipe 19 let in flue gas and ammonia respectively, make flue gas and ammonia be the mutual abundant even mixture of heliciform through the direction of air guide spiral plate 21 and air guide hole 22.

By adopting the air inlet mechanism 3, when in use, the flue gas and the ammonia gas are respectively introduced through the outer air inlet pipe 18 and the inner air inlet pipe 19, and then the flue gas and the ammonia gas are fully mixed through the guiding of the air guide spiral plate 21 and the inner air guide pipe 20 and the injection of the air guide holes 22, thereby improving the denitration efficiency.

The working principle and the using process of the utility model are as follows: outer intake pipe 18 and interior intake pipe 19 through mechanism 3 of admitting air when using let in flue gas and ammonia respectively, direction and air guide hole 22 through air guide spiral plate 21 make flue gas and ammonia be the heliciform and collide each other and mix, thereby make flue gas and ammonia mix more fully even, thereby improve follow-up reaction and increase denitration efficiency, gas after the mixture is derived in through outer air duct 17 and is reacted with ceramic pipe body 4, denitration efficiency reduces after the catalyst on ceramic pipe body 4 surface has reacted, then lay catalyst sheet 15 on bracket 14, thereby guarantee denitration efficiency, need not directly to change ceramic pipe body 4, thereby guarantee that ceramic pipe body 4 can make full use of.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a denitrification facility of ceramic pipe can make full use of, includes body frame (1) and fixed mounting clean room (2) in body frame (1) upper end, its characterized in that: the upper end of clean room (2) is provided with install bin (7), the inboard bottom of install bin (7) is provided with catalyst module (8), catalyst module (8) are including fixing locating rack (13) in install bin (7) inboard, the inboard of locating rack (13) is provided with bracket (14), air vent (16) have been seted up on the surface of bracket (14), the upside of bracket (14) is provided with catalyst board (15).

2. The denitration apparatus capable of fully utilizing a ceramic pipe according to claim 1, wherein: the support frame (14) equidistance is fixed in the inboard of locating rack (13), and catalyst board (15) equidistance and crisscross the upper surface of laying at support frame (14).

3. The denitration apparatus capable of fully utilizing a ceramic pipe according to claim 1, wherein: the catalyst module purification device is characterized in that a mounting frame (5) is arranged on the inner side of the purification chamber (2) corresponding to the position of the catalyst module (8), a ceramic tube body (4) is arranged on the lower side of the mounting frame (5), the upper end of the ceramic tube body (4) is fixedly connected with the mounting frame (5) through a fixing pressing frame (6), an injection air box (11) is arranged on one side of the purification chamber (2), an injection pipe (12) is arranged on the upper side of the mounting frame (5), and one end of the injection pipe (12) is communicated with the injection air box (11).

4. The denitration apparatus capable of fully utilizing a ceramic pipe according to claim 1, wherein: one side of clean room (2) is provided with air inlet mechanism (3), one side of install bin (7) is provided with gas vent (10), and the position that corresponds catalyst module (8) in install bin (7) one side is provided with access hole (9).

5. The denitration apparatus capable of fully utilizing a ceramic pipe as set forth in claim 4, wherein: air inlet mechanism (3) are including fixing outer air duct (17) and outer intake pipe (18) on clean room (2), the inside of outer air duct (17) is provided with interior air duct (20), the inboard of outer intake pipe (18) is provided with interior intake pipe (19), and the one end of interior intake pipe (19) passes outer intake pipe (18), communicate in the other end and interior air duct (20) of interior intake pipe (19), space intercommunication between outer intake pipe (18) and outer air duct (17) and interior air duct (20).

6. The denitration apparatus capable of fully utilizing a ceramic pipe according to claim 5, wherein: air guide hole (22) have been seted up on the surface of interior air duct (20), air guide hole (22) and interior air duct (20) inside and interior intake pipe (19) intercommunication, fixedly connected with air guide spiral plate (21) between outer air duct (17) and interior air duct (20), and the position of air guide spiral plate (21) and the position of air guide hole (22) are crisscross each other.