CN207822770U - A kind of paper grade (stock) denitrating tower - Google Patents

Abstract

The utility model discloses a kind of paper grade (stock) denitrating towers, including denitrating tower ontology, papermaking boiler and flue, denitrating tower ontology is hollow structure inside, this paper grade (stock) denitrating tower is simple in structure, high concentrate dust stays in the surface of catalyst layer, connect external power supply, motor rotation drives the piston of head rod lower end to move up and down in the cylinder, when piston is upward, cylinder absorbs ambient atmos, first L-shaped pipe penetrates through, and the dust of the suction disk absorption catalyst layer surface of the second L-shaped pipe connection enters dust collecting bin；When piston is downward, spray the gas in cylinder, the second bead in third L-shaped pipe squeezes second spring under stress, third L-shaped pipe penetrates through, third L-shaped pipe tilts the nozzle of connection, sprays gas and blows afloat the deposition dust on catalyst layer, the two combines, it blows afloat deposition dust and sucks dust in dust collecting bin, substantially increase practicability.

Description

A kind of paper grade (stock) denitrating tower

Technical field

The utility model is related to field of papermaking, specially a kind of paper grade (stock) denitrating tower.

Background technology

Denitrating tower is a kind of machine for denitration, and denitration refers to that generated NOx is reduced to N2, to remove discharge NOx in flue gas can equally be discharged a large amount of flue gas, not only contain NOx in these flue gases in papermaking boiler in production process, Also containing has a large amount of high concentrate dust, these high concentrate dusts not only can blocking catalyst layer, influence the anti-of catalyst and NOx Answer, can also abrasive catalyst layer, the service life of catalyst is reduced, for this purpose, it is proposed that a kind of paper grade (stock) denitrating tower.

Utility model content

The purpose of this utility model is to provide a kind of paper grade (stock) denitrating towers, to solve mentioned above in the background art ask Topic.

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

A kind of paper grade (stock) denitrating tower, including denitrating tower ontology, papermaking boiler and flue, denitrating tower ontology are inner hollow knot Structure, and the bottom wall of the bottom wall of inner cavity connection papermaking boiler of denitrating tower ontology, one end of the upper end perforation connection flue of papermaking boiler, And the side wall of the other end perforation denitrating tower ontology of flue, flue are S-shaped structure, the inner cavity of the denitrating tower ontology is equipped with annular Rack, and alternately engagement hypodontia wheel, the rear side of the hypodontia wheel connect on motor two groups of parallel teeth inside annular rack Shaft, and motor is connected by the lateral wall of the second connecting rod and flue, the lower end of the annular rack connects head rod Upper end, and head rod lower end reach cylinder inner cavity in and vertical connection piston upper center, the piston The intracavity sidewall of side wall and cylinder is slidably connected, and the lateral wall of the cylinder and the lateral wall of flue connect, and the lower end of cylinder Perforation is connected with one end of the first L-shaped pipe, and lateral one section of the middle part of the first L-shaped pipe, which penetrates through, is connected with the first sleeve, and the One end intracavity sidewall conflict of one sleeve far from papermaking boiler has the first bead, and first bead is close to one end of papermaking boiler It is connected with one end of the first spring, and the other end of the first spring connects the intracavity sidewall of the first sleeve, the first L-shaped pipe The other end is vertically through connection vertical one section of the side wall of the second L-shaped pipe, and vertical one section of the lower end perforation connection of the second L-shaped pipe is grey The roof of dirt collecting box, the bottom wall of the dust collecting bin and the side wall of flue connect, and the other end of the second L-shaped pipe reaches The inner cavity of flue simultaneously penetrates through connection suction disk, and the lower end of the suction disk contradicts the upper end for having catalyst layer, and catalyst layer Side wall is fixedly connected with the intracavity sidewall of flue, and the inclined upward of the catalyst layer is equipped with nozzle, and the rear side perforation of nozzle One end of third L-shaped pipe is connected, the other end of the third L-shaped pipe penetrates through side side wall of the flue far from suction disk and the company of perforation The bottom wall of cylinder is connect, lateral one section of the middle part perforation of the third L-shaped pipe is connected with second sleeve, and second sleeve is close to papermaking One end intracavity sidewall conflict of boiler has the second bead, the described one end of second bead far from papermaking boiler to be connected with second spring One end, and the intracavity sidewall of the other end connection second sleeve of second spring, the motor and external power supply are total by conducting wire With one series circuit of composition.

Preferably, the radian that teeth are surrounded on the hypodontia wheel is 110 degree to 130 degree.

Preferably, the slanted angle of the nozzle and third L-shaped pipe is 120 degree to 140 degree.

Preferably, the sidewall edge of the piston is fixedly connected with the sealing rubber ring being connect with cylinder slide.

Compared with prior art, the utility model has the beneficial effects that：This paper grade (stock) denitrating tower is simple in structure, papermaking boiler When work, the high-temperature flue gas containing high concentrate dust enters flue, and the urea seeding agent in the NOx and catalyst layer in flue gas is anti- It answers denitration, flue gas discharge, high concentrate dust to stay in the surface of catalyst layer, connects external power supply, motor rotation drives hypodontia wheel Two groups of parallel racks inside annular rack are engaged alternatively up and down, and the piston of head rod lower end is driven to transport up and down in the cylinder Dynamic, when piston is upward, cylinder absorbs ambient atmos, and the first bead in the first L-shaped pipe squeezes the first spring under stress, and first L-shaped pipe penetrates through, and the dust of the suction disk absorption catalyst layer surface of the second L-shaped pipe connection enters dust collecting bin；Piston is downward When, the gas in cylinder sprays, and the second bead in third L-shaped pipe squeezes second spring under stress, the perforation of third L-shaped pipe, Third L-shaped pipe tilts the nozzle of connection, sprays gas and blows afloat the deposition dust on catalyst layer, the two combines, and blows afloat deposition powder Dirt simultaneously sucks dust in dust collecting bin, substantially increases practicability.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is A structure enlargement diagrams；

Fig. 3 is B structure enlarged diagram.

In figure：Denitrating tower ontology 1, papermaking boiler 2, flue 3, hypodontia wheel 4, annular rack 5, head rod 6, piston 7, Cylinder 8, the first L-shaped pipe 9, the first sleeve 10, the first spring 11, the first bead 12, third L-shaped pipe 13, second sleeve 14, second Spring 15, the second bead 16, nozzle 17, suction disk 18, dust collecting bin 19, catalyst layer 20, the second L-shaped pipe 21.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：

A kind of paper grade (stock) denitrating tower, including denitrating tower ontology 1, papermaking boiler 2 and flue 3, denitrating tower ontology 1 are in inside Hollow structure, and the bottom wall of the bottom wall of inner cavity connection papermaking boiler 2 of denitrating tower ontology 1, the upper end perforation connection flue of papermaking boiler 2 3 one end, and the side wall of the other end perforation denitrating tower ontology 1 of flue 3, flue 3 is S-shaped structure, the inner cavity of denitrating tower ontology 1 Two groups of parallel teeth equipped with annular rack 5, and inside annular rack 5 alternately engage hypodontia wheel 4, and teeth are enclosed on hypodontia wheel 4 At radian be 110 degree to 130 degree, the rear side of hypodontia wheel 4 connects the shaft on motor, and motor passes through second Connecting rod is connect with the lateral wall of flue 3, the upper end of the lower end connection head rod 6 of annular rack 5, and head rod 6 Lower end reach cylinder 8 inner cavity in and vertical connection piston 7 upper center, the intracavity sidewall of the side wall and cylinder 8 of piston 7 Be slidably connected, and the sidewall edge of piston 7 is fixedly connected with the sealing rubber ring being slidably connected with cylinder 8, the lateral wall of cylinder 8 with The lateral wall of flue 3 connects, and the lower end perforation of cylinder 8 is connected with one end of the first L-shaped pipe 9, laterally one section of the first L-shaped pipe 9 Middle part perforation be connected with the first sleeve 10, and one end intracavity sidewall conflict of first sleeve 10 far from papermaking boiler 2 has first Bead 12, the first bead 12 is connected with one end of the first spring 11 close to one end of papermaking boiler 2, and the first spring 11 is another The intracavity sidewall of the first sleeve 10 of end connection, the other end of the first L-shaped pipe 9 is vertically through vertical one section of the second L-shaped pipe of connection 21 Side wall, and the roof of vertical one section of the lower end perforation connection dust collecting bin 19 of the second L-shaped pipe 21, the bottom of dust collecting bin 19 Wall is connect with the side wall of flue 3, and the other end of the second L-shaped pipe 21 reaches the inner cavity of flue 3 and penetrates through connection suction disk 18, air-breathing The lower end of disk 18 contradicts the upper end for having catalyst layer 20, and the side wall of catalyst layer 20 is fixedly connected with the intracavity sidewall of flue 3, The inclined upward of catalyst layer 20 is equipped with nozzle 17, and one end of the rear side perforation connection third L-shaped pipe 13 of nozzle 17, nozzle 17 Slanted angle with third L-shaped pipe 13 is 120 degree to 140 degree, and the other end of third L-shaped pipe 13 penetrates through flue 3 Side side wall far from suction disk 18 and the bottom wall for penetrating through connection cylinder 8, lateral one section of the middle part perforation connection of third L-shaped pipe 13 There is second sleeve 14, and second sleeve 14 has the second bead 16, the second bead close to one end intracavity sidewall conflict of papermaking boiler 2 16 one end far from papermaking boiler 2 are connected with one end of second spring 15, and the other end of second spring 15 connects second sleeve 14 intracavity sidewall, motor collectively constitute a series circuit with external power supply by conducting wire.

Operation principle：When papermaking boiler 2 works, the high-temperature flue gas containing high concentrate dust enters flue 3, in flue gas NOx and the urea seeding agent reaction denitration in catalyst layer 20, flue gas discharge, high concentrate dust stay in the table of catalyst layer 20 Face, connects external power supply, and motor rotation drives hypodontia wheel 4 to engage two groups of parallel racks inside annular rack 5, band alternatively up and down The piston 7 of dynamic 6 lower end of head rod moves up and down in cylinder 8, and when piston 7 is upward, cylinder 8 absorbs ambient atmos, the first L The first bead 12 in shape pipe 9 squeezes the first spring 11, the perforation of the first L-shaped pipe 9, the suction of the second L-shaped pipe 21 connection under stress The dust that gas disk 18 draws 20 surface of catalyst layer enters dust collecting bin 19；When piston 7 is downward, the gas in cylinder 8 sprays, The second bead 16 in third L-shaped pipe 13 squeezes second spring 15 under stress, and third L-shaped pipe 13 penetrates through, and third L-shaped pipe 13 inclines The nozzle 17 tiltedly connected sprays gas and blows afloat the deposition dust on catalyst layer 20, and the two combines, and blows afloat deposition dust and by powder Dirt sucks in dust collecting bin 19, substantially increases practicability.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of paper grade (stock) denitrating tower, including denitrating tower ontology（1）, papermaking boiler（2）And flue（3）, denitrating tower ontology（1）For Hollow structure inside, and denitrating tower ontology（1）Bottom wall of inner cavity connect papermaking boiler（2）Bottom wall, papermaking boiler（2）Upper end Perforation connection flue（3）One end, and flue（3）The other end penetrate through denitrating tower ontology（1）Side wall, flue（3）For S-shaped knot Structure, it is characterised in that：The denitrating tower ontology（1）Inner cavity be equipped with annular rack（5）, and annular rack（5）Internal two groups Parallel teeth alternately engage hypodontia wheel（4）, the hypodontia wheel（4）Rear side connection motor on shaft, and motor passes through second Connecting rod and flue（3）Lateral wall connection, the annular rack（5）Lower end connect head rod（6）Upper end, and One connecting rod（6）Lower end reach cylinder（8）Inner cavity in and vertical connection piston（7）Upper center, the piston（7）'s Side wall and cylinder（8）Intracavity sidewall be slidably connected, the cylinder（8）Lateral wall and flue（3）Lateral wall connection, and gas Cylinder（8）Lower end perforation be connected with the first L-shaped pipe（9）One end, the first L-shaped pipe（9）Laterally one section of middle part perforation connects It is connected to the first sleeve（10）, and the first sleeve（10）Far from papermaking boiler（2）The conflict of one end intracavity sidewall have the first bead （12）, first bead（12）Close to papermaking boiler（2）One end be connected with the first spring（11）One end, and the first spring （11）The other end connect the first sleeve（10）Intracavity sidewall, the first L-shaped pipe（9）The other end vertically through connection the Two L-shaped pipes（21）Vertical one section of side wall, and the second L-shaped pipe（21）Vertical one section of lower end perforation connection dust collecting bin（19） Roof, the dust collecting bin（19）Bottom wall and flue（3）Side wall connection, the second L-shaped pipe（21）The other end Reach flue（3）Inner cavity and penetrate through connection suction disk（18）, the suction disk（18）Lower end contradict have catalyst layer（20） Upper end, and catalyst layer（20）Side wall and flue（3）Intracavity sidewall be fixedly connected, the catalyst layer（20）Top It is provided tiltedly with nozzle（17）, and nozzle（17）Rear side perforation connection third L-shaped pipe（13）One end, the third L-shaped pipe （13）The other end penetrate through flue（3）Far from suction disk（18）Side side wall and penetrate through connection cylinder（8）Bottom wall, described Three L-shaped pipes（13）Laterally one section of middle part perforation is connected with second sleeve（14）, and second sleeve（14）Close to papermaking boiler（2） The conflict of one end intracavity sidewall have the second bead（16）, second bead（16）Far from papermaking boiler（2）One end be connected with Second spring（15）One end, and second spring（15）The other end connect second sleeve（14）Intracavity sidewall, the motor One series circuit is collectively constituted by conducting wire with external power supply.

2. a kind of paper grade (stock) denitrating tower according to claim 1, it is characterised in that：The hypodontia wheel（4）Upper teeth are enclosed At radian be 110 degree to 130 degree.

3. a kind of paper grade (stock) denitrating tower according to claim 1, it is characterised in that：The nozzle（17）With third L-shaped pipe （13）Slanted angle be 120 degree to 140 degree.

4. a kind of paper grade (stock) denitrating tower according to claim 1, it is characterised in that：The piston（7）Sidewall edge it is solid Surely it is connected with and cylinder（8）The sealing rubber ring being slidably connected.