CN218741019U - Rotary cone type dust humidifier - Google Patents

Abstract

The utility model belongs to the field of smelting environmental protection equipment, namely a rotary cone type dust humidifier. The method is used for effectively humidifying the flue gas dust generated in the production link of the smelting system. It comprises a cylinder body, wherein an ash inlet is arranged on the cylinder body, and an ash outlet is arranged at the lower part of the cylinder body. A rotary conical head is arranged at the center in the cylinder body at the lower part of the ash inlet, and a prismatic groove is arranged along the conical surface of the rotary conical head; a plurality of humidifying nozzles are uniformly distributed in the barrel along the circumference, and the humidifying nozzles are arranged in multiple layers at intervals up and down in the barrel.

Description

Rotary cone type dust humidifier

Technical Field

The utility model belongs to the field of smelting environmental protection equipment, namely a rotary cone type dust humidifier. The method is used for effectively humidifying the flue gas dust generated in the production link of the smelting system.

Background

In prior art, in smelting the production link, to the fly ash after the flue gas dust removal, the majority uses double helix dust humidification machine, carries out the outward transportation processing after the humidification to the dust, uses this equipment to carry the fly ash on the limit, realizes the humidification to the dust on the limit, nevertheless discovers in the long-term use of vast user, and equipment also has following problem simultaneously:

1. the humidifying effect is not ideal, the water quantity of the humidifying collision head is difficult to control, when the water quantity is small, the double helix can not fully achieve the stirring effect, the material is thicker when the material is turned over, only the surface dust is humidified, and the internal dust is not contacted with the moisture and is removed by the helical blade; if the water quantity is larger, slurry is easy to form, and the wet slurry is not easy to transport and stack.

2. Traditional biax spiral humidification machine adopts the gear drive biax, and the biax level is arranged, and the dust horizontal migration, the existence of helical blade processingquality and installation deviation on the biax simultaneously for equipment can produce a large amount of vibrations and noise at the operation in-process.

Chinese utility model patent specification 2013, 2.27.h discloses a utility model patent entitled "dry dust slurry humidifying and mixing device for primary dust removal of converter", with patent number ZL201320089806.3, which comprises a vertically-arranged housing having a tapered part with a tapered axial section; the conical body and the shell are coaxially arranged in the shell, the conical degree of the conical body is greater than that of the conical part, and the conical body can move up and down in the shell along the axial direction of the shell, so that when the conical body moves up and down in the shell, the conical body and the conical part of the shell jointly form a wet ash channel close closing station and a wet ash channel opening station; the dry ash inlet is arranged at the upper end of the shell; and the slurry injection port is arranged on the shell and is arranged above the position of the conical body at the closing station of the wet ash channel. The side feeding device has the disadvantages that the side feeding device occupies the installation space, the driving device is arranged on the upper part of the ash inlet, the conical device moves up and down, the humidifying material work is interrupted, and the humidified material is easy to block. The dust is to spray a layer of wet slurry on a layer of material, enlarge the gap between the dust and the cylinder wall after the dust is basically filled, and discharge the humidified material, wherein the operation of humidifying the material is discontinuous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above insufficiency and provide a rotating cone type dust humidifier which has reasonable structure, good humidifying effect and high working efficiency.

The utility model discloses technical solution is: the rotary cone type dust humidifier comprises a cylinder body, wherein the cylinder body is provided with an ash inlet and an ash outlet at the lower part, and is characterized in that a rotary cone head is arranged at the center in the cylinder body at the lower part of the ash inlet, and the rotary cone head is provided with a prismatic groove along the conical surface; a plurality of humidifying nozzles are uniformly distributed in the barrel along the circumference, and the humidifying nozzles are arranged in multiple layers at intervals up and down in the barrel.

In the above scheme, the method further comprises:

the rotating cone head is connected with a central rotating shaft, and the central rotating shaft is connected with a driving transverse shaft extending into the cylinder body through a bevel gear and a bevel pinion.

The lower part of the rotating cone head is provided with a fixed support cylinder which covers the central rotating shaft, the bevel gear and the bevel pinion.

The humidifying nozzles are arranged in five layers, and each layer is provided with three humidifying nozzles.

The included angle of the spray heads between each layer of the humidifying spray heads is 60 degrees.

The utility model has the advantages that: 1. this device adopts side rotary drive, can realize that upper portion advances the ash mouth and directly docks with the dust removal ash bucket, and the humidification material is continuous simultaneously. The rotary cone head with the prismatic groove is adopted, falling materials are scattered by means of the rotating speed to form the umbrella cover, the dust exposure area is large, and when the materials freely fall, humidification is carried out through the humidification spray heads arranged on the circumference of the barrel, the humidification is even, and the humidification effect is good. The rotary cone head is cast by wear-resistant cast iron, and the service life of the rotary cone head is far longer than that of a spiral blade of the double-spiral humidifier. 2. Adopt in the barrel along the circumference equipartition have a plurality of humidification shower nozzles, the humidification shower nozzle is along interval multilayer arrangement from top to bottom in the barrel, and the humidification area is big, and the humidification is even, and humidification effect is good. 3. The ash inlet, the barrel body and the ash outlet are vertically arranged and are on the same central line, so that free falling movement of dust is facilitated, and continuous ash discharge and smoothness are realized. 4. The speed of the rotary conical head can be adjusted, the umbrella-shaped dust surface can be uniformly combined with water mist, and the dust is uniformly humidified. 5. It is rational in infrastructure, the humidification is effectual, and work efficiency is high, and equipment preparation and installation are all easier, and equipment fixing space is little moreover, and the cost of manufacture is low, and the maintainability is good simultaneously.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

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

Detailed Description

Referring to fig. 1, the part names are as follows: the device comprises an ash inlet 1, a cylindrical flange pipe 2, a conical discharging flange reducing pipe 3, a humidifying spray head 4, a rotary conical head 5, a locking nut 6, a bevel gear 7, a central rotating shaft 8, a fixed supporting cylinder 9, a U-shaped seal 10, a bevel pinion 11, a driving transverse shaft 12, a driving device 13, a bearing cylinder seat 14, a cylinder body 15, an ash outlet 16 and a prismatic groove 17.

Referring to fig. 1, the cyclone cone type dust humidifier comprises a cylindrical barrel 15, wherein an ash inlet 1 is arranged on the barrel 15, the barrel is a flange reducer pipe, and an ash outlet 16 is arranged below the barrel 15. A conical discharge flange reducer 3 is arranged between the cylinder body 15 and the ash outlet 16. The center in the barrel of the lower part of the dust inlet 1 is provided with a rotary conical head 5, and the rotary conical head 5 is provided with a prismatic groove 17 along the conical surface, so that dust can be scattered conveniently. The rotating cone head 5 is connected with a central rotating shaft 8, the central rotating shaft 8 is connected with a driving transverse shaft 12 extending into the cylinder 15 through a bevel gear 7 (a big bevel gear) and a small bevel gear 11 (the small bevel gear 11 is relative to the bevel gear 7 with a larger point), and the driving transverse shaft 12 is in driving connection with a driving device 13. The lower part of the rotating cone head 5 is provided with a fixed support cylinder 9 which covers the central rotating shaft 8, the bevel gear 7 and the bevel pinion 11. Three humidification nozzles 4 are uniformly distributed in the cylinder 15 along the circumference, and the humidification nozzles 4 are arranged in five layers at intervals up and down in the cylinder 15 (not limited to this). The spray angle of the humidifying nozzle 4 is 60 degrees.

The device is used at the lower part of the dust removing ash bucket, and the ash inlet 1 at the upper part of the device is connected with the flange of the discharge opening of the star ash discharger below the ash bucket (not shown in the figure) so as to ensure that the dust can be uniformly and quantitatively fed into the humidifying device. An ash outlet 16 at the lower part of the device is butted with the ash receiving trolley through a flange, and in the circulation process, the dust removal ash is humidified through design.

The specific structure and composition of the equipment are as follows:

1. outer cylinder 15

The outer cylinder body 15 is designed in a cylindrical shape, and the upper part of the outer cylinder body is provided with an ash inlet 1 (a flange reducer pipe) butted with the star-shaped ash discharger; the middle part is cylindrical flange pipe 2, and the inside welding has inside rotatory distributing device brace rod, and the rotatory distributing device drive arrangement 13 of externally mounted installs humidification shower nozzle 4 (five layers, every layer is three along the circumference equipartition, shower nozzle contained angle 60 degree between the layer) along the circumference in the layering of pipeline side simultaneously. The lower part is provided with a tapered discharge flange reducer 3.

2. Internal rotating material distribution device

The internal rotary distributing device has the function of scattering dust falling in the barrel 15 through the rotating action of the rotary cone head 5, so that the dust uniformly falls in an umbrella shape towards the circumferential direction, and simultaneously, water mist is sprayed out through the humidifying nozzle 4 in the uniform falling process to uniformly humidify the dust.

The internal rotary distributing device comprises:

the rotary cone head 5 is cast and processed by wear-resistant cast iron, a prismatic groove 17 is formed in the conical surface, the bottom surface of the cone is connected with the central rotating shaft 8 in a threaded connection mode and is locked by a locking nut 6. The central rotating shaft 8 plays a role in supporting and installing the rotating conical head 5, and meanwhile, a rotating bearing and a bevel gear 7 are installed on the shaft to provide power for the central rotating shaft 8. A fixed supporting cylinder 9 plays the fixed and dust isolation simultaneously of central rotation axis 8 effect, and the upper and lower bearing is inlayed to inside, and the bung hole upper portion forms the sealed 10 of U type with rotatory conical head 5 lower part annular sleeve simultaneously, prevents that the dust from getting into rotation center, and bung hole bottom bearing disc adopts flange joint, convenient to detach maintenance.

3. Drive device and connecting transmission device

The driving device 13 is a device for providing power for the rotating conical head 5, adopts a hollow shaft motor and speed reducer integrated type, is convenient to install, and simultaneously adopts variable frequency control, so that the speed of the conical head rotating 5 can be adjusted according to the uniform condition of umbrella-shaped materials.

The connecting transmission device consists of a driving transverse shaft 12, a bearing cylinder seat 14 (containing a bearing) and a small bevel gear 11 at one end of the driving transverse shaft, and plays a role in connecting the driving device with the bevel gear 7 on the central rotating shaft 8.

Principle of operation

The dust uniformly falls into the upper part of a rotating conical head 5 at the upper part of a rotating conical dust humidifier through a star-shaped dust discharger, is scattered into an umbrella shape from a cylindrical shape by the rotating action of the rotating conical head 5, is diffused to the circumference, and moves downwards under the action of gravity, is uniformly humidified through water mist sprayed by a humidifying nozzle 4 on an external cylinder body 15 in the process, and finally falls into a lower dust receiving trolley through a tapered discharge flange reducer pipe 3 and a dust outlet 16.

The above description is only exemplary of the present invention, and the various illustrations do not limit the essence of the present invention.

Claims (5)

1. The rotary cone type dust humidifier comprises a cylinder body (15), wherein an ash inlet (1) arranged on the cylinder body (15) is a flange reducing pipe, and an ash outlet (16) is arranged below the cylinder body, and the rotary cone type dust humidifier is characterized in that a rotary cone head (5) is arranged at the center in the cylinder body at the lower part of the ash inlet (1), and the rotary cone head (5) is provided with a prismatic groove (17) along the conical surface; a plurality of humidifying nozzles (4) are uniformly distributed in the barrel (15) along the circumference, and the humidifying nozzles (4) are arranged in a multilayer manner at intervals up and down in the barrel (15).

2. A rotary cone type dust humidifier as claimed in claim 1, wherein the rotary cone head (5) is connected to a central rotary shaft (8), the central rotary shaft (8) being connected to a drive cross shaft (12) extending into the vessel (15) via a bevel gear (7) and a bevel pinion (11).

3. A rotary cone type dust humidifier as claimed in claim 2, wherein the lower part of the rotary cone head (5) is provided with a fixed support cylinder (9) which houses the central rotary shaft (8), the bevel gear (7) and the bevel pinion (11).

4. A rotary cone dust humidifier as claimed in claim 1, 2 or 3, wherein the humidifying nozzles (4) are arranged in five levels, three in each level.

5. Cyclone cone type dust humidifier according to claim 4, characterized by the fact that the humidifying nozzles (4) have an included angle of 60 °.

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