CN215276656U

CN215276656U - SCR reactor for flue gas denitration

Info

Publication number: CN215276656U
Application number: CN202121469332.6U
Authority: CN
Inventors: 杨影
Original assignee: Shaanxi Environmental Protection New Energy Co ltd
Current assignee: Shaanxi Environmental Protection New Energy Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-24
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a be used for flue gas denitration SCR reactor, including the reactor, still include cooling body and advance the tobacco pipe, cooling body fixed connection is in reactor right side wall, advance the tobacco pipe and can dismantle to connect in cooling body right side wall, cooling body comprises cooler bin, water filling port, heat pipe and outlet, water filling port fixed connection is on the cooler bin top, heat pipe fixed connection is inside the cooler bin, and extends to inside the reactor, outlet fixed connection is in the cooler bin bottom. Can be cooled down by the cooling water in the cooler bin before the flue gas gets into the reactor, effectively reduce the temperature of flue gas, effectively avoid high temperature to lead to the inside catalyst chronic sintering of catalyst converter, improve the life of catalyst, improve the denitration effect.

Description

SCR reactor for flue gas denitration

Technical Field

The utility model relates to a flue gas denitration technical field especially relates to a be used for flue gas denitration SCR reactor.

Background

The flue gas denitration SCR reactor is mainly used for diluting and reacting harmful substances in flue gas through a catalyst in the reactor, reducing the harmful substances in the flue gas, then discharging the flue gas out of the atmosphere, and playing a certain role in protecting the air environment, so that the requirements of people on the SCR reactor are higher and higher; there is certain drawback in current SCR reactor when using, at first, SCR reactor live time overlength, more dust adheres to on the filter grid easily, if not in time clearance, cause the jam easily, influence the quality of flue gas denitration, certain adverse effect has, secondly, SCR reactor is after having passed the flue gas denitration, need clean inside, when clean, make in the air moisture gets into the reactor easily, thereby cause the corruption to the catalyst in the catalyst converter, certain adverse effect has, furthermore, if flue gas temperature is too high, lead to the inside catalyst chronic sintering of catalyst easily, thereby reduce the life of catalyst, certain adverse effect has, certain influence has been brought to people's use.

Patent number CN201320460397.3 discloses a flue gas denitration reactor, relates to environmental protection technical field. The utility model discloses constitute the shell by the wallboard and the angle bar stiffening rib that is located perpendicular post, the outer collar tie beam of level setting, the level setting that sets up in the wallboard outside. Three layers of beams for supporting the catalyst are arranged in the inner cavity of the reactor, and horizontally crossed support rods are connected among the beams of each layer, the vertical columns and the outer ring beams. Its structural feature is, the upstand is four positions that set up respectively at four angles of reactor, and each upstand side adds the load that the bracket reinforcing plate of establishing the triangle-shaped will bear and uses on setting up two structure girders at the reactor side. Compared with the prior art, the utility model discloses simplified structural arrangement, reduced the steel quantity, had that the atress is clear and definite, safe and reliable's characteristics.

This a be used for flue gas denitration reactor has following drawback: the flue gas desulfurization reactor of this application can not cool down high temperature flue gas when using, leads to the inside catalyst chronic sintering of catalyst easily to reduce the life of catalyst, also inconvenient simultaneously clears up the filter screen, causes the jam easily, influences flue gas denitration's quality. For this reason, we propose an SCR reactor for flue gas denitration.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a be used for flue gas denitration SCR reactor, can effectively solve the problem in the background art.

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

the utility model provides a be used for flue gas denitration SCR reactor, includes the reactor, still includes cooling body and advances the tobacco pipe, cooling body fixed connection is in reactor right side wall, it can dismantle to connect in the cooling body right side wall to advance the tobacco pipe, cooling body comprises cooler bin, water filling port, heat pipe and outlet, water filling port fixed connection is on the cooler bin top, heat pipe fixed connection is inside the cooler bin, and extends to inside the reactor, outlet fixed connection is in the cooler bin bottom.

Further, the sealing mechanism is fixedly connected to the upper surface of the reactor, and the exhaust box is fixedly connected to the left side wall of the reactor; can seal the reactor through sealing mechanism, avoid the flue gas to distribute out when the desulfurization, improve the denitration effect, conveniently discharge out the flue gas after the denitration through the exhaust box.

Furthermore, the sealing mechanism consists of a sealing plate, a mounting groove and a sealing cover, wherein the mounting groove is formed on the surface of the right side wall of the sealing plate, and the sealing cover is connected inside the mounting groove in a matching manner; seal the lid through the mounting groove is convenient to be installed on the sealing plate surface, conveniently opens the closing plate when using, is convenient for clear up the inside filtration grid, can not cause the jam, improves the result of use of reactor.

Furthermore, a plurality of filtering grids, catalysts and drying plates are connected in the reactor in a matching way; the flue gas is conveniently filtered through the filter screen, catalytic reaction can be carried out to the flue gas through the catalyst converter, can effectively carry out the denitration to the flue gas, can dry inside through the drying plate, avoids the inside catalyst of catalyst converter to receive damp influence catalytic effect.

Furthermore, a portable rod is fixedly connected to the surface of the sealing cover, and a sealing gasket is arranged at the bottom end of the sealing cover; sealed lid is mentioned through the convenience of portable pole, conveniently opens and clears up inside, improves reaction effect, can improve sealed effect of lid through sealed the pad.

Furthermore, the heat conduction pipe is detachably connected with the smoke inlet pipe, and a control valve is arranged in the water outlet; the smoke is conveniently conveyed into the heat conduction pipe through the smoke inlet pipe, heat conduction is conveniently carried out, opening and closing of the water outlet can be controlled through the control valve, and water drainage is conveniently carried out.

Compared with the prior art, the utility model discloses following beneficial effect has: the right side wall of the reactor is fixed with a cooling mechanism, the cooling mechanism comprises a cooling box, a water injection port, a heat conduction pipe and a water outlet, cooling water is injected into the cooling box through the water injection port, external smoke enters the heat conduction pipe through a smoke inlet pipe, the heat in the smoke is transferred to the outer side by the heat conduction pipe, cooling water in the cooling box can effectively absorb heat, the temperature of the smoke is reduced, low-temperature smoke can enter the reactor to react, the catalyst in the catalyst is prevented from being chronically sintered due to high temperature, the service life of the catalyst is prolonged, nitrified substances in the smoke are effectively removed through the catalyst, meanwhile, the top end of the reactor is fixed with a sealing mechanism, the sealing mechanism comprises a sealing plate, a mounting groove and a sealing cover, the sealing cover is installed in the sealing plate through the mounting groove, a hand-lifting rod is fixed at the top end of the sealing cover, the sealing cover is opened through the hand-lifting rod after the smoke is desulfurized, make the inside filter grid of reactor spill, external personnel conveniently clear up the filter grid surface for filter grid can not block up, can not influence the filter effect, improves the result of use of reactor.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram for flue gas denitration SCR reactor.

Fig. 2 is the utility model relates to a cooling body structure schematic diagram for flue gas denitration SCR reactor.

Fig. 3 is the utility model relates to a sealing mechanism structure sketch map for flue gas denitration SCR reactor.

In the figure: 1. supporting legs; 2. a reactor; 3. a smoke inlet pipe; 4. a cooling mechanism; 5. a sealing mechanism; 6. filtering the grating; 7. a catalyst; 8. drying the plate; 9. an exhaust box; 10. a cooling tank; 11. a water injection port; 12. a heat conducting pipe; 13. a water outlet; 14. a sealing plate; 15. mounting grooves; 16. a sealing cover; 17. a hand-held rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a reactor for flue gas denitration SCR, includes a reactor 2, and further includes a cooling mechanism 4 and a smoke inlet pipe 3, the cooling mechanism 4 is fixedly connected to the right side wall of the reactor 2, the smoke inlet pipe 3 is detachably connected to the right side wall of the cooling mechanism 4, the cooling mechanism 4 is composed of a cooling box 10, a water injection port 11, a heat pipe 12 and a water outlet 13, the water injection port 11 is fixedly connected to the top end of the cooling box 10, the heat pipe 12 is fixedly connected to the inside of the cooling box 10 and extends to the inside of the reactor 2, and the water outlet 13 is fixedly connected to the bottom end of the cooling box 10.

The reactor also comprises a sealing mechanism 5 and an exhaust box 9, wherein the sealing mechanism 5 is fixedly connected to the upper surface of the reactor 2, and the exhaust box 9 is fixedly connected to the left side wall of the reactor 2; can seal reactor 2 through sealing mechanism 5, avoid the flue gas to distribute out when the desulfurization, improve the denitration effect, conveniently discharge out the flue gas after the denitration through exhaust box 9.

The sealing mechanism 5 comprises a sealing plate 14, a mounting groove 15 and a sealing cover 16, wherein the mounting groove 15 is formed in the surface of the right side wall of the sealing plate 14, and the sealing cover 16 is connected to the inside of the mounting groove 15 in a matching manner; the sealing cover 16 is conveniently arranged on the surface of the sealing plate 14 through the mounting groove 15, the sealing plate 14 is conveniently opened when in use, the internal filtering grid 6 is conveniently cleaned, the blockage is avoided, and the using effect of the reactor 2 is improved.

Wherein, the reactor 2 is internally connected with a filter grid 6, a catalytic converter 7 and a drying plate 8 in a matching way, and the filter grid 6 and the drying plate 8 are both provided with a plurality of; conveniently filter the flue gas through filtering the grid, can carry out catalytic reaction to the flue gas through catalyst converter 7, can effectively carry out the denitration to the flue gas, can dry inside through drying plate 8, avoid 7 inside catalysts of catalyst converter to receive damp influence catalytic effect.

The surface of the sealing cover 16 is fixedly connected with a portable rod 17, and the bottom end of the sealing cover 16 is provided with a sealing gasket; conveniently mention sealed lid 16 through portable pole 17, conveniently open and clear up inside, improve reaction effect, can improve sealed effect of covering through sealed the pad.

The heat conduction pipe 12 is detachably connected with the smoke inlet pipe 3, and a control valve is arranged in the water outlet 13; the smoke is conveniently conveyed into the heat conduction pipe 12 through the smoke inlet pipe 3, heat conduction is convenient, the opening and closing of the water outlet 13 can be controlled through the control valve, and water drainage is convenient.

It should be noted that, the utility model relates to a be used for flue gas denitration SCR reactor, in operation, place reactor 2 on ground through a plurality of supporting legs 1 is stable, reactor 2 right side wall is fixed with cooling body 4, cooling body 4 comprises cooler bin 10, water filling port 11, heat pipe 12 and outlet 13, pour cooling water into the inside of cooler bin 10 through water filling port 11, external flue gas enters the inside of heat pipe 12 through advancing tobacco pipe 3, heat pipe 12 transmits the heat in the flue gas to the outside, the cooling water inside cooler bin 10 can effectively absorb heat, reduce the temperature of flue gas, low temperature flue gas can enter reactor 2 to react, cooled flue gas can avoid high temperature to lead to the catalyst chronic sintering inside catalyst 7, improve the life of catalyst, effectively get rid of the nitride in the flue gas through catalyst 7, can discharge out through exhaust box 9 after the denitration, 2 tops of reactor are fixed with sealing mechanism 5 simultaneously, sealing mechanism 5 is by closing plate 14, mounting groove 15, sealed lid 16 is constituteed, sealed lid 16 is installed inside closing plate 14 through mounting groove 15, simultaneously sealed lid 16 tops are fixed with portable rod 17, after to flue gas desulfurization, open sealed lid 16 through portable rod 17, make 2 inside filter screen 6 of reactor spill, external personnel conveniently clear up 6 surfaces of filter screen, make filter screen 6 can not block up, can not influence the filter effect, improve reactor 2's result of use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a be used for flue gas denitration SCR reactor, includes reactor (2), its characterized in that still includes cooling body (4) and advances tobacco pipe (3), cooling body (4) fixed connection is in reactor (2) right side wall, advance tobacco pipe (3) and can dismantle and connect in cooling body (4) right side wall, cooling body (4) comprise cooler bin (10), water filling port (11), heat pipe (12) and outlet (13), water filling port (11) fixed connection is in cooler bin (10) top, heat pipe (12) fixed connection is inside cooler bin (10), and extends to inside reactor (2), outlet (13) fixed connection is in cooler bin (10) bottom.

2. The reactor of claim 1, wherein the reactor comprises: still include sealing mechanism (5) and exhaust case (9), sealing mechanism (5) fixed connection is in reactor (2) upper surface, exhaust case (9) fixed connection is in reactor (2) left side wall.

3. The reactor of claim 2, wherein the reactor comprises: the sealing mechanism (5) is composed of a sealing plate (14), a mounting groove (15) and a sealing cover (16), the mounting groove (15) is formed in the surface of the right side wall of the sealing plate (14), and the sealing cover (16) is connected to the inside of the mounting groove (15) in a matched mode.

4. The reactor of claim 1, wherein the reactor comprises: reactor (2) inside cooperation is connected with filtering grid (6), catalyst converter (7) and drying plate (8), and filtering grid (6) and drying plate (8) are by a plurality ofly.

5. The reactor of claim 3, wherein the reactor comprises: the surface of the sealing cover (16) is fixedly connected with a portable rod (17), and a sealing gasket is arranged at the bottom end of the sealing cover (16).

6. The reactor of claim 1, wherein the reactor comprises: the heat conduction pipe (12) is detachably connected with the smoke inlet pipe (3), and a control valve is installed inside the water outlet (13).