CN212283553U - Dry desulfurization SDS dosing device - Google Patents

Abstract

The utility model discloses a device is thrown to dry desulfurization SDS, including SCR reactor, flue, second pipeline and cavity, the one end of second pipeline is equipped with the flue, and the inside top of flue is run through and is installed the shower nozzle, and the shunt tubes is installed in the top connection of shower nozzle, and first pipeline is installed in the top connection of shunt tubes, the one side of installing to the sack cleaner is connected to the one end of flue, and the top of installing to the SCR reactor is connected to the opposite side of sack cleaner, and the bottom of SCR reactor is connected to one side of exhaust-heat boiler, and the input of installing to the draught fan is connected to exhaust-heat boiler's opposite side, and the output of draught fan is connected and is installed the export flue, and the chimney is. The utility model discloses a coke oven flue gas SO2 index reaches below the special emission limit value 30mg/m3 of national environmental protection requirement behind the SDS dry process desulfurization technology, and operation maintenance is simple and convenient, and whole no waste water produces, and chimney exhaust flue gas naked eye is invisible, realizes "white that disappears.

Description

Dry desulfurization SDS dosing device

Technical Field

The utility model relates to an industrial desulfurization technical field specifically is a feeder apparatus is thrown to dry process desulfurization SDS.

Background

The existing wet process adopts an absorption tower form, and the flue gas enters the absorption tower and then fully contacts and reacts with alkaline solution to achieve the desulfurization effect. The defects of complex flow of a wet washing method, more matched equipment, tail gas tailing phenomenon, ultra-clean emission due to the need of configuring a secondary purification device and difficult white elimination are overcome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dry process desulfurization SDS throws feeder apparatus 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 dry desulfurization SDS dosing unit, includes SCR reactor, flue, second pipeline and cavity, the one end of second pipeline is equipped with the flue, and the inside top of flue is run through and is installed the shower nozzle, and the shunt tubes is installed in the top connection of shower nozzle, and the top of shunt tubes is connected and is installed first pipeline, the one end of flue is connected and is installed to one side of sack cleaner, and the top of installing to the SCR reactor is connected to the opposite side of sack cleaner, and the bottom of SCR reactor is connected to one side of exhaust-heat boiler, and the input of installing to the draught fan is connected to exhaust-heat boiler's opposite side, and the output of draught fan is connected and is installed the export flue, and.

Preferably, the inner wall of the flue is provided with a cavity, and heat conduction oil is filled in the cavity.

Preferably, the inside bottom of cavity is connected and is installed the heater strip, and the one end of heater strip is connected and is installed the cable, and the cable is established in the surface bottom of flue.

Preferably, the two ends of the outer surface of the flue are fixedly provided with flange plates, the flange plates at the two ends of the flue are attached to the flange plate fixedly arranged at one end of the second pipeline, and the inside of the flue is screwed with a bolt.

Preferably, a catalyst module is fixedly installed inside the SCR reactor, and the catalyst module is composed of a catalyst unit.

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

1. the utility model discloses a set up the conduction oil, make the inside ability rapid heating of flue, reached and be convenient for get into the effect that deacidification agent in the flue was activated by the heat, through setting up the heater strip, make the conduction oil in the cavity can be by quick electrical heating, reached the effect of electrical heating conduction oil.

2. The utility model discloses a cooperation of ring flange and bolt makes the both ends of flue can be connected with one side of sack cleaner and the one end of second pipeline, has reached fixed connection's effect, through setting up the sack cleaner, makes the flue gas that contains the powder can carry out desulfurization and smoke and dust purification, has reached further flue gas treatment effect.

3. The utility model discloses a set up the SCR reactor, make the flue gas can carry out catalytic reaction, reached catalytic reaction's effect, through setting up the draught fan, make the flue gas that gets into in the waste heat boiler can extract the transmission, reached the effect of extraction transmission flue gas.

Drawings

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

fig. 2 is a schematic diagram of the internal structure of the flue of the present invention.

In the figure: 1. a chimney; 2. an outlet flue; 3. an induced draft fan; 4. a waste heat boiler; 5. an SCR reactor; 6. a bag-type dust collector; 7. a flange plate; 8. a first conduit; 9. a shunt tube; 10. a flue; 11. a second conduit; 12. a bolt; 13. a cable; 14. a cavity; 15. a spray head; 16. heat conducting oil; 17. a heating wire.

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. 2, the present invention provides an embodiment: a dry desulfurization SDS feeding device comprises an SCR reactor 5, a flue 10, a second pipeline 11 and a cavity 14, wherein the flue 10 is arranged at one end of the second pipeline 11, the cavity 14 is arranged on the inner wall of the flue 10, heat conduction oil 16 is filled in the cavity 14, the interior of the flue 10 can be rapidly heated by arranging the heat conduction oil 16, the effect that a deacidification agent entering the flue 10 is thermally activated is achieved, a heating wire 17 is connected and installed at the bottom end of the interior of the cavity 14, the heat conduction oil 16 in the cavity 14 can be rapidly and electrically heated by arranging the heating wire 17, the effect of electrically heating the heat conduction oil 16 is achieved, a cable 13 is connected and installed at one end of the heating wire 17, the cable 13 is arranged at the bottom end of the outer surface of the flue 10, the heating wire 17 in the cavity 14 can be externally powered, a spray head 15 penetrates through the top end of the interior of the flue 10, and the spray head 15 can be uniformly sprayed into the interior, the shunt tubes 9 are connected and installed on the top ends of the spray heads 15, the first pipelines 8 are connected and installed on the top ends of the shunt tubes 9, flange plates 7 are fixedly installed at two ends of the outer surface of the flue 10, the flange plates 7 at two ends of the flue 10 are attached to the flange plates 7 of one end of each second pipeline 11, bolts 12 are screwed into the flange plates 7 and the bolts 12, the two ends of the flue 10 can be connected with one side of the bag-type dust collector 6 and one end of each second pipeline 11 through the matching of the flange plates 7 and the bolts 12, and the effect of fixed connection is achieved.

One end of a flue 10 is connected and installed to one side of a bag-type dust remover 6, the bag-type dust remover 6 is arranged to enable flue gas containing powder to be desulfurized and purified, further flue gas treatment effect is achieved, the other side of the bag-type dust remover 6 is connected and installed to the top end of an SCR reactor 5, a catalyst module is fixedly installed inside the SCR reactor 5 and consists of catalyst units, the flue gas can be subjected to catalytic reaction by arranging the SCR reactor 5, catalytic reaction effect is achieved, the bottom end of the SCR reactor 5 is connected to one side of a waste heat boiler 4, the other side of the waste heat boiler 4 is connected and installed to the input end of an induced draft fan 3, the induced draft fan 3 is of a 2JM410H06 type, the induced draft fan 3 is large in suction force and small in vibration amplitude, and is suitable for the utility model, the flue gas entering the waste heat boiler 4 can be extracted and transmitted by arranging the induced, the effect of extraction transmission flue gas has been reached, and the output of draught fan 3 is connected and is installed export flue 2, and the one end of export flue 2 is connected and is installed chimney 1.

The working principle is as follows: the flue gas enters the interior of the flue 10 through the second pipeline 11, then a worker turns on a power supply switch of the heating wire 17 to electrify the heating wire 17 through the cable 13, SO that the heating wire 17 starts to heat the heat conduction oil 16 in the cavity 14, thus the inner wall of the flue 10 is heated, the deacidification agent (20-25 microns) is conveyed to the interior of the shunt pipe 9 through the first pipeline 8, then the flue 10 is sprayed out through the spray head 15 through the shunt pipe 9, the deacidification agent is thermally activated in the flue 10, the specific surface area is rapidly increased and is fully contacted with the flue gas to generate physical and chemical reactions, acidic substances such as SO2 in the flue gas are absorbed and purified, the flue gas containing powder materials such as SO2 and the like are absorbed and dried enters the bag-type dust remover 6 to perform further desulfurization reaction and smoke dust purification, the purified flue gas after desulfurization and dust removal enters the SCR reactor 5, passes through the waste heat boiler 4 and is pumped and guided to the outlet flue 2 by the induced draft fan 3, and then is transmitted into a chimney 1 from an outlet flue 2 to be discharged into the atmosphere. The smoke temperature of a chimney 1 meets the requirement of coke oven hot standby temperature so as to ensure that the coke oven hot drawing force still keeps normal in an accident state; and the powder-containing flue gas enters a bag-type dust collector 6 for gas-solid separation and flue gas re-purification, so that collection of desulfurized ash and standard outlet dust concentration are realized. The flue gas treated by the bag-type dust collector 6 enters an SCR reactor 5 to remove NOX, and then the clean flue gas is discharged into the atmosphere from a chimney 1 through a waste heat boiler 4 and a draught fan 3.

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 (5)

1. The utility model provides a dry desulfurization SDS dosing unit, includes SCR reactor (5), flue (10), second pipeline (11) and cavity (14), its characterized in that: the one end of second pipeline (11) is equipped with flue (10), and the inside top of flue (10) runs through to install shower nozzle (15), and shunt tubes (9) are installed in the top connection of shower nozzle (15), and the top of shunt tubes (9) is connected and is installed first pipeline (8), the one end of flue (10) is connected and is installed to one side of sack cleaner (6), and the top of installing to SCR reactor (5) is connected to the opposite side of sack cleaner (6), and the bottom of SCR reactor (5) is connected to one side of exhaust-heat boiler (4), and the input of installing to draught fan (3) is connected to the opposite side of exhaust-heat boiler (4), and export flue (2) are installed in the output connection of draught fan (3), and chimney (1) are installed in the one end connection of export flue (2).

2. The SDS adding device for dry desulphurization according to claim 1, wherein: the inner wall of the flue (10) is provided with a cavity (14), and heat conducting oil (16) is filled in the cavity (14).

3. The SDS adding device for dry desulphurization according to claim 1, wherein: the inside bottom of cavity (14) is connected and is installed heater strip (17), and the one end of heater strip (17) is connected and is installed cable (13), and establishes the surface bottom at flue (10) cable (13).

4. The SDS adding device for dry desulphurization according to claim 1, wherein: and the two ends of the outer surface of the flue (10) are fixedly provided with flange plates (7), the flange plates (7) at the two ends of the flue (10) are attached to the flange plate (7) fixedly arranged at one end of the second pipeline (11), and a bolt (12) is screwed in the flange plate (7).

5. The SDS adding device for dry desulphurization according to claim 1, wherein: and a catalyst module is fixedly arranged in the SCR reactor (5), and the catalyst module consists of catalyst units.

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