CN207071323U - A kind of spray drying tower equipment for denitrifying flue gas - Google Patents

Abstract

The utility model discloses a kind of spray drying tower equipment for denitrifying flue gas, including drying tower body, hot-blast stove, denitrfying agent case, connect flue, hot-air distributor, whirlwind current divider, pulse bag collector and cloth dust collector, denitrfying agent case is connected by woven hose with the inner cavity top of hot-blast stove, the inner cavity top of hot-blast stove, which is set up, denitrfying agent atomizer, the pump housing is also equipped with woven hose, one end of woven hose is connected with the intracavity bottom of denitrfying agent case, the other end of woven hose is connected with denitrfying agent atomizer, the bottom inner chamber for drying tower body is provided with and communicated with drainage conduit, whirlwind current divider is disposed with drainage conduit, pulse bag collector and exhaust blower.The utility model is simple in construction, reasonable in design, can suppress the caused pollutant containing nitre of hot-blast stove combustion process, effectively prevent pollution of the pollutant containing nitre to air, be advantageous to the improvement of atmosphere pollution, be adapted to promote the use of.

Description

A kind of spray drying tower equipment for denitrifying flue gas

Technical field

Denitrification apparatus is the utility model is related to, specifically a kind of spray drying tower equipment for denitrifying flue gas.

Background technology

Spray drying tower is to be used for biological pesticide, medicine, the equipment of the drying of food microorganisms, and its principle is：Air passes through Filtering and heating, into drier headspace distributor, hot-air is in the shape of a spiral evenly into hothouse.Feed liquid is through tower body The high speed centrifugal atomization device or high-pressure atomizer at top, imperceptible vaporific liquid pearl is sprayed into, with air current contacting extremely short Time in can dry as finished product.Finished product is continuously exported by drying in tower bottom and cyclone separator, and micronic dust material is by pulse Cloth bag collector is collected, and waste gas is emptied by blower fan.

Hot gas is generally from hot-blast stove in spray drying tower, and the combustion process in hot-blast stove is also easy to produce pollutant, pollutant If directly being discharged without processing, the air quality of environment will be influenceed, at present, air pollution problems inherent increasingly aggravates in recent years, China As a developing power, the severe situation that air pollution constantly aggravates will be faced in significant period of time from now on, Denitrating flue gas has turned into national letter emphasis problem to be solved, therefore, it is proposed that a kind of spray drying tower equipment for denitrifying flue gas.

Utility model content

The purpose of this utility model is to provide a kind of spray drying tower equipment for denitrifying flue gas, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides following technical scheme：

A kind of spray drying tower equipment for denitrifying flue gas, including dry tower body, hot-blast stove, denitrfying agent case, connection flue, hot blast Distributor, whirlwind current divider, pulse bag collector and cloth dust collector, the top of the hot-blast stove are provided with and communicated with warm-air pipe A；The other end of the warm-air pipe A is connected with being connected the inner chamber middle and lower part of flue；The inner chamber middle and upper part of the connection flue is consolidated Fixed set up has metallic sieve；The inner cavity top of the connection flue is connected with warm-air pipe B one end；The warm-air pipe B's is another One end is connected with hot-air distributor；The denitrfying agent case is connected by woven hose with the inner cavity top of hot-blast stove；The heat The inner cavity top of wind furnace, which is set up, denitrfying agent atomizer；The pump housing is also equipped with the woven hose, one end of woven hose is with taking off The intracavity bottom of nitre agent case is connected, and the other end of woven hose is connected with denitrfying agent atomizer；The bottom of the dry tower body Portion inner chamber is provided with and communicated with drainage conduit；Whirlwind current divider, pulse bag collector and air draft are disposed with the drainage conduit Machine；The other end of the drainage conduit is connected with the inlet end of cloth dust collector；The outlet side of the cloth dust collector and chimney It is connected.

Preferably, the intracavity bottom of the connection flue is also provided with and communicated with flue-dust retainer.

Preferably, the metallic sieve is the metal network structure that surface is uniformly machined with filter opening.

Preferably, the hot-air distributor is fixedly installed on the inner cavity top of dry tower body.

Preferably, the opening down setting of the denitrfying agent atomizer.

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

The denitrfying agent of denitrfying agent box cavity enters in hot-blast stove in the presence of the pump housing, and denitrfying agent slurries pass through denitrfying agent mist Change shower nozzle to spray, denitrfying agent slurry spraying is and anti-with the pollutant containing nitre in hot blast furnace chamber comburant combustion process into liquid pearl Should, it effectively removes caused pollutant containing nitre in hot-blast stove combustion process.The utility model is simple in construction, reasonable in design, Pollutant containing nitre caused by hot-blast stove combustion process can be suppressed in source, effectively prevent dirt of the pollutant containing nitre to air Dye, is advantageous to the improvement of atmosphere pollution, is adapted to promote the use of.

Brief description of the drawings

Fig. 1 is the structural representation of spray drying tower equipment for denitrifying flue gas.

Fig. 2 is the top view of metallic sieve in spray drying tower equipment for denitrifying flue gas.

In figure：1- dries tower body, 2- hot-blast stoves, 3- denitrfying agent casees, 4- woven hoses, the 5- pump housings, 6- connection flues, 7- collection ash Bucket, 8- warm-air pipes A, 9- hot-air distributor, 10- warm-air pipes B, 11- metallic sieve, 12- denitrfying agent atomizers, 13- drainage conduits, 14- whirlwind current dividers, 15- pulse bag collectors, 16- cloth dust collectors, 17- chimneys, 18- exhaust blowers, 19- filter openings.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-2, in the utility model embodiment, a kind of spray drying tower equipment for denitrifying flue gas, including drying tower Body 1, hot-blast stove 2, denitrfying agent case 3, connection flue 6, hot-air distributor 9, whirlwind current divider 14, pulse bag collector 15 and cloth Bag dust arrester 16, the top of the hot-blast stove 2 is provided with and communicated with warm-air pipe A8；The other end of the warm-air pipe A8 is with being connected flue 6 inner chamber middle and lower part is connected；The intracavity bottom of the connection flue 6 is also provided with and communicated with flue-dust retainer 7；The connection flue 6 Inner chamber middle and upper part fixed mount be provided with metallic sieve 11；The metallic sieve 11 is the wire netting that surface is uniformly machined with filter opening 19 Shape structure；The inner cavity top of the connection flue 6 is connected with warm-air pipe B10 one end；The other end of the warm-air pipe B10 with Hot-air distributor 9 is connected；The hot-air distributor 9 is fixedly installed on the inner cavity top of dry tower body 1；The denitrfying agent case 3 It is connected by woven hose 4 with the inner cavity top of hot-blast stove 2；The inner cavity top of the hot-blast stove 2, which is set up, denitrfying agent atomization spray First 12；The opening down setting of the denitrfying agent atomizer 12；The pump housing 5 is also equipped with the woven hose 4, woven hose 4 One end is connected with the intracavity bottom of denitrfying agent case 3, and the other end of woven hose 4 is connected with denitrfying agent atomizer 12；It is described The bottom inner chamber for drying tower body 1 is provided with and communicated with drainage conduit 13；Whirlwind current divider 14, arteries and veins are disposed with the drainage conduit 13 Rush cloth bag collector 15 and exhaust blower 18；The other end of the drainage conduit 13 is connected with the inlet end of cloth dust collector 16；Institute The outlet side for stating cloth dust collector 16 is connected with chimney 17.

Operation principle of the present utility model is：After air heats in hot-blast stove 2, connection cigarette is entered by warm-air pipe A8 In road 6, the soot dust granule contained in air-flow is filtered by metallic sieve 11, and soot dust granule centralized collection is in flue-dust retainer 7；Denitrfying agent The denitrfying agent of the inner chamber of case 3 enters in hot-blast stove 2 in the presence of the pump housing 5, and denitrfying agent slurries are sprayed by denitrfying agent atomizer 12 Go out, denitrfying agent slurry spraying into liquid pearl, and with the pollutant reaction containing nitre in the inner chamber comburant combustion process of hot-blast stove 2, effectively Pollutant containing nitre caused by eliminating in the combustion process of hot-blast stove 2；Thermal current is entered by warm-air pipe A8 afterwards dries tower body 1 The hot-air distributor 9 that top is set, hot-air evenly into the inner chamber for drying tower body 1, dry the mist in tower body 1 in the shape of a spiral Shape liquid pearl, it can be dried as finished product with hot air and within the extremely short time.Finished product leads to continuously into drainage conduit 13 Cross in whirlwind current divider 14 and export, micronic dust material is collected by pulse bag collector 15, and waste gas leads in the presence of exhaust blower 18 Chimney 17 is crossed to discharge.

The utility model is simple in construction, reasonable in design, can suppress to contain nitre caused by hot-blast stove combustion process in source Pollutant, pollution of the pollutant containing nitre to air is effectively prevent, is advantageous to the improvement of atmosphere pollution, is adapted to promote the use of.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., It should be included within the scope of protection of the utility model.

Claims (5)

1. a kind of spray drying tower equipment for denitrifying flue gas, including dry tower body (1), hot-blast stove (2), denitrfying agent case (3), connection cigarette Road (6), hot-air distributor (9), whirlwind current divider (14), pulse bag collector (15) and cloth dust collector (16), its feature It is that the top of the hot-blast stove (2) is provided with and communicated with warm-air pipe A (8), and the other end of the warm-air pipe A (8) is with being connected flue (6) inner chamber middle and lower part is connected, and the inner chamber middle and upper part fixed mount of the connection flue (6) is provided with metallic sieve (11), described The inner cavity top of connection flue (6) is connected with warm-air pipe B (10) one end, the other end and hot blast of the warm-air pipe B (10) Distributor (9) is connected, and the denitrfying agent case (3) is connected by woven hose (4) with the inner cavity top of hot-blast stove (2), described The inner cavity top of hot-blast stove (2), which is set up, denitrfying agent atomizer (12), and the pump housing (5) is also equipped with the woven hose (4), defeated One end of liquid pipe (4) is connected with the intracavity bottom of denitrfying agent case (3), the other end and the denitrfying agent atomizer of woven hose (4) (12) it is connected, the bottom inner chamber of the dry tower body (1) is provided with and communicated with drainage conduit (13), on the drainage conduit (13) successively Be provided with whirlwind current divider (14), pulse bag collector (15) and exhaust blower (18), the other end of the drainage conduit (13) with The inlet end of cloth dust collector (16) is connected, and the outlet side of the cloth dust collector (16) is connected with chimney (17).

2. a kind of spray drying tower equipment for denitrifying flue gas according to claim 1, it is characterized in that, the connection flue (6) Intracavity bottom be also provided with and communicated with flue-dust retainer (7).

3. a kind of spray drying tower equipment for denitrifying flue gas according to claim 1, it is characterized in that, the metallic sieve (11) The metal network structure of filter opening (19) is uniformly machined with for surface.

4. a kind of spray drying tower equipment for denitrifying flue gas according to claim 1, it is characterized in that, the hot-air distributor (9) it is fixedly installed on the inner cavity top of dry tower body (1).

5. a kind of spray drying tower equipment for denitrifying flue gas according to claim 1, it is characterized in that, the denitrfying agent atomization spray The opening down setting of head (12).