CN214635435U - SCR flue gas denitration device based on high temperature type - Google Patents

Abstract

The utility model discloses a high-temperature-based SCR flue gas denitration device, which comprises an air inlet pipe, a box body and a flue gas denitration device body, a box body is fixedly arranged on the side end surface of the flue gas denitration device body through a connecting frame, an air inlet pipe is fixedly embedded in one end of the box body, which is far away from the flue gas denitration device body, a fan is arranged in the air inlet pipe, and the inner wall of the air inlet pipe is welded with a chute plate, the top end surface of the air inlet pipe is provided with an air cylinder through a supporting frame, the bottom end surface of the air cylinder is provided with a clapboard, the baffle plate penetrates through the air inlet pipe and is slidably arranged in the chute plate, the liquid outlet pipe is fixedly arranged on the top end surface of the inner wall of the box body, and the bottom end surface of the liquid outlet pipe is provided with an atomizing nozzle, the rear end surface of the box body is welded with a liquid storage box, and the top end face of the liquid storage tank is embedded and fixed with a liquid inlet pipe, the rear end face of the tank body is provided with a booster pump, and the booster pump is communicated with the liquid storage tank through a second connecting pipe. The utility model discloses possess the simple operation, the efficient and better advantage of practicality of denitration.

Description

SCR flue gas denitration device based on high temperature type

Technical Field

The utility model relates to a flue gas denitration technical field specifically is a SCR flue gas denitration device based on high temperature type.

Background

SCR flue gas denitrification facility based on high temperature type indicates: denitration is a process for removing nitrogen oxides in combustion flue gas, has importance of preventing environmental pollution, has been pointed out as a problem in the world, and aims to prevent excessive NOx generated after coal in a boiler is combusted from polluting the environment and perform denitration treatment on the coal. The method comprises denitration before combustion, denitration during combustion and denitration after combustion.

However, when the existing SCR flue gas denitration device is used, air cannot be rapidly fed according to the combustion efficiency of flue gas, and the denitration efficiency in the later stage is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SCR flue gas denitration device based on high temperature type to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a SCR flue gas denitrification facility based on high temperature type, includes intake pipe, box and flue gas denitrification facility body, the side end face of flue gas denitrification facility body has the box through link fixed mounting, the box deviates from the one end embedding of flue gas denitrification facility body and is fixed with the intake pipe, install the fan in the intake pipe, and the inner wall welding of intake pipe has the spout board, the cylinder is installed through the support frame to the top face of intake pipe, box inner wall top face fixed mounting has the drain pipe, and the bottom face of drain pipe installs the atomizer, the rear end face welding of box has the liquid reserve tank, and the top face embedding of liquid reserve tank is fixed with the feed liquor pipe, the booster pump is installed to the rear end face of box, and the booster pump passes through second connecting pipe and gaseous intercommunication of liquid reserve tank.

Preferably, the number of the connecting frames is four, and the four connecting frames are distributed in a rectangular array relative to the box body.

Preferably, the intake pipe is equipped with threely altogether, and the relative box of three intake pipe is the equidistance and distributes, and box and intake pipe gaseous intercommunication.

Preferably, the bottom end surface of the cylinder is provided with a partition plate, and the partition plate penetrates through the air inlet pipe and is slidably arranged in the chute plate.

Preferably, the one end embedding that the box deviates from the intake pipe is fixed with first connecting pipe, and the one end embedding that first connecting pipe deviates from the box is fixed on the flue gas denitrification facility body.

Preferably, a fixed pipe is embedded and fixed in the liquid storage tank, and the fixed pipe is communicated with the liquid outlet pipe in a liquid mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the box, after operating personnel gas intercommunication box and flue gas denitrification facility body through first connecting pipe, personnel can open the fan in the inlet tube through external power supply, the fan drives gaseous entering flue gas denitrification facility body and guarantees the combustion efficiency of flue gas, and can open the fan in the three inlet tube alone according to the efficiency that the flue gas actually burns during burning, and can open or open the fan in the inlet tube alone according to actual air inlet demand a plurality of, personnel can open the cylinder and drive the baffle to slide and rise and descend in the chute board when opening, make things convenient for gaseous velocity of flow to adjust, make the practicality better, later stage regulation is more convenient, when gas is in the box, personnel can pour into the aqueous ammonia into the liquid reserve tank, personnel's external power supply opens the booster pump after pouring into and supercharges in the liquid reserve tank, make the aqueous ammonia enter the liquid reserve tank through the fixed pipe, the aqueous ammonia sprays through atomizer after getting into, and the aqueous ammonia drives through the air current and gets into flue gas denitration device originally internally when spraying, makes flue gas desulfurization efficiency higher, and the practicality is higher.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic rear view of the present invention;

fig. 3 is a schematic view of the top view structure of the intake pipe of the present invention.

In the figure: 1. a fan; 2. an air inlet pipe; 3. a chute plate; 4. a box body; 5. a connecting frame; 6. a flue gas denitration device body; 7. a first connecting pipe; 8. a liquid outlet pipe; 9. an atomizing spray head; 10. a cylinder; 11. a partition plate; 12. a support frame; 13. a fixed tube; 14. a liquid storage tank; 15. a liquid inlet pipe; 16. a booster pump; 17. a second connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a high-temperature-based SCR flue gas denitration device comprises gas inlet pipes 2, a box body 4 and a flue gas denitration device body 6, wherein the side end face of the flue gas denitration device body 6 is fixedly provided with the box body 4 through a connecting frame 5, the connecting frame 5 is provided with four connecting frames 5, the four connecting frames 5 are distributed in a rectangular array relative to the box body 4, one end of the box body 4, which is far away from the flue gas denitration device body 6, is embedded and fixed with the gas inlet pipes 2, the number of the gas inlet pipes 2 is three, the three gas inlet pipes 2 are distributed at equal intervals relative to the box body 4, the box body 4 is communicated with the gas inlet pipes 2 in a gas mode, a fan 1 is arranged in the gas inlet pipes 2, the inner wall of each gas inlet pipe 2 is welded with a chute plate 3, the top end face of each gas inlet pipe 2 is provided with a cylinder 10 through a supporting frame 12, the bottom end face of each cylinder 10 is provided with a partition plate 11, the partition plates 11 penetrate through the gas inlet pipes 2 and are slidably arranged in the chute plates 3, and the top end face of the inner wall of the box body 4 is fixedly provided with a liquid outlet pipe 8, and the bottom face of drain pipe 8 installs atomizer 9, the rear end face welding of box 4 has liquid reserve tank 14, and the top face embedding of liquid reserve tank 14 is fixed with feed liquor pipe 15, the one end embedding that box 4 deviates from intake pipe 2 is fixed with first connecting pipe 7, and the one end embedding that first connecting pipe 7 deviates from box 4 is fixed on flue gas denitrification facility body 6, booster pump 16 is installed to the rear end face of box 4, and booster pump 16 passes through second connecting pipe 17 and 14 gaseous intercommunications of liquid reserve tank, and as is known by technical personnel in the art, booster pump 16 provides the conventionality, it all belongs to conventional means or common general knowledge, no longer describe herein, technical personnel in the art can carry out arbitrary apolegation according to its needs or facility.

A fixed pipe 13 is embedded and fixed in a liquid storage tank 14, the fixed pipe 13 is in liquid communication with a liquid outlet pipe 8, after an operator communicates the tank 4 with a flue gas denitration device body 6 through a first connecting pipe 7 by arranging the tank 4, the operator can open a fan 1 in an air inlet pipe 2 through an external power supply, the fan 1 drives gas to enter the flue gas denitration device body 6 to ensure the combustion efficiency of the flue gas, the fans 1 in the three air inlet pipes 2 can be independently opened according to the actual combustion efficiency of the flue gas during combustion, and the fans 1 in the air inlet pipes 2 can be opened in a plurality of ways or opened independently according to the actual air inlet requirements, the operator can drive a partition plate 11 to slide up and down in a sliding chute plate 3 by opening a cylinder 10 during opening, the flow rate of the gas can be adjusted conveniently, the practicability is better, the later-stage adjustment is more convenient, when the gas passes through the tank 4, the operator can inject ammonia water into the liquid storage tank 14, after the injection, the human external power supply opens the booster pump 16 and carries out the pressure boost in liquid reserve tank 14, makes the aqueous ammonia pass through fixed pipe 13 and get into drain pipe 8 in, the aqueous ammonia sprays through atomizer 9 after getting into, and the aqueous ammonia drives through the air current and gets into this body 6 of flue gas denitrification facility during spraying, makes flue gas desulfurization efficiency higher, and the practicality is higher.

The working principle is as follows: after an operator connects the box body 4 with the flue gas denitration device body 6 through the first connecting pipe 7, the operator can open the fans 1 in the air inlet pipes 2 through an external power supply, the fans 1 drive gas to enter the flue gas denitration device body 6 to ensure the combustion efficiency of flue gas, and the fans 1 in the three air inlet pipes 2 can be independently opened according to the actual combustion efficiency of the flue gas during combustion, and the fans 1 in the air inlet pipes 2 can be opened in a plurality of or independently opened according to the actual air inlet demand, the operator can drive the partition plate 11 to slide up and down in the chute plate 3 by opening the cylinder 10 during opening, so that the flow rate of the gas is convenient to adjust, the practicability is better, the later-stage adjustment is more convenient, when the gas passes through the box body 4, the operator can inject ammonia water into the liquid storage box 14, and the injected human external power supply opens the booster pump 16 to boost the interior of the liquid storage box 14, make the aqueous ammonia through fixed pipe 13 get into in the drain pipe 8, the aqueous ammonia sprays through atomizer 9 after getting into, and the aqueous ammonia drives through the air current and gets into in flue gas denitration device body 6 when spraying, makes flue gas desulfurization efficiency higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a SCR flue gas denitrification facility based on high temperature type, includes intake pipe (2), box (4) and flue gas denitrification facility body (6), its characterized in that: the side end surface of the flue gas denitration device body (6) is fixedly provided with a box body (4) through a connecting frame (5), an air inlet pipe (2) is embedded and fixed at one end of the box body (4) departing from the flue gas denitration device body (6), a fan (1) is installed in the air inlet pipe (2), and the inner wall of the air inlet pipe (2) is welded with a chute plate (3), the top end surface of the air inlet pipe (2) is provided with an air cylinder (10) through a supporting frame (12), a liquid outlet pipe (8) is fixedly arranged on the top end surface of the inner wall of the box body (4), and the bottom end surface of the liquid outlet pipe (8) is provided with an atomizing nozzle (9), the rear end surface of the box body (4) is welded with a liquid storage box (14), a liquid inlet pipe (15) is embedded and fixed on the top end surface of the liquid storage tank (14), a booster pump (16) is arranged on the rear end surface of the tank body (4), and the booster pump (16) is in gas communication with the liquid storage tank (14) through a second connecting pipe (17).

2. The high-temperature-type-based SCR flue gas denitration device according to claim 1, wherein: the number of the connecting frames (5) is four, and the four connecting frames (5) are distributed in a rectangular array relative to the box body (4).

3. The high-temperature-type-based SCR flue gas denitration device according to claim 1, wherein: intake pipe (2) are equipped with threely altogether, and three intake pipe (2) are equidistance distribution relatively box (4), and box (4) and intake pipe (2) gaseous intercommunication.

4. The high-temperature-type-based SCR flue gas denitration device according to claim 1, wherein: a partition plate (11) is installed on the bottom end face of the cylinder (10), and the partition plate (11) penetrates through the air inlet pipe (2) and is installed in the chute plate (3) in a sliding mode.

5. The high-temperature-type-based SCR flue gas denitration device according to claim 1, wherein: one end of the box body (4) deviating from the air inlet pipe (2) is embedded and fixed with a first connecting pipe (7), and one end of the first connecting pipe (7) deviating from the box body (4) is embedded and fixed on the flue gas denitration device body (6).

6. The high-temperature-type-based SCR flue gas denitration device according to claim 1, wherein: a fixed pipe (13) is embedded and fixed in the liquid storage tank (14), and the fixed pipe (13) is communicated with the liquid outlet pipe (8) in a liquid mode.

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