CN210751870U

CN210751870U - Dust removal system

Info

Publication number: CN210751870U
Application number: CN201921295012.6U
Authority: CN
Inventors: 楚孟桥; 何建军
Original assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-16
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a dust removal system, including dust remover main part, dust exhausting fan to and air intake, air outlet and the ash hole that sets up on the dust remover main part respectively, dust exhausting fan is linked together with the air outlet, air intake and ash hole all are linked together with the dust remover main part, the air intake is used for inserting the flue gas of treating, the ash hole is used for discharging the dust, still include material separator and feeding fan, the ash hole with the air inlet of material separator is linked together, the import of feeding fan is linked together with material separator's gas outlet, the export of feeding fan with the air intake is linked together; the dust removal system has the advantages of reasonable structure, low power consumption and low use cost.

Description

Dust removal system

Technical Field

The utility model belongs to the technical field of dust collecting equipment, concretely relates to dust pelletizing system.

Background

The dust removing system is a device set for separating dust from flue gas. With the increasing public environmental awareness and the perfection of national environmental protection laws, the green development is more and more emphasized by enterprises. The application range of the dedusting system is also wider and wider, such as the traditional treatment of flue gas generated during boiler combustion, the treatment of waste gas containing powder coating particles generated during electrostatic spraying, and the like. Wherein, the materials with higher recycling value, namely dust (such as powder coating) separated from the dust removal system, also need to be conveyed to a designated place for centralized storage so as to be reused after processing. However, in the prior art, the pneumatic conveying material separation device in the dust removal system works relatively independently and cannot be effectively matched with the dust removal system, so that the defects that the power consumption of the dust removal system is high when the dust removal system is used and the use cost of the dust removal system is too high are caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a dust pelletizing system that rational in infrastructure, the consumption is little and use cost is low.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

the utility model provides a dust pelletizing system, includes dust remover main part, dust exhausting fan to and set up air intake, air outlet and the ash hole in the dust remover main part respectively, dust exhausting fan is linked together with the air outlet, air intake and ash hole all are linked together with the dust remover main part, the air intake is used for inserting pending flue gas, the ash hole is used for discharging the dust, still includes material separator and feeding fan, the ash hole with material separator's air inlet is linked together, feeding fan's import is linked together with material separator's gas outlet, feeding fan's export with the air intake is linked together.

Preferably, the material separation device comprises a settling chamber, an ash discharging device and a partition plate, one end of the partition plate is fixed at the top of the settling chamber, the other end of the partition plate extends towards the bottom of the settling chamber, the ash discharging device is fixed at the bottom of the settling chamber, an air inlet and an air outlet of the material separation device are respectively arranged at two sides of the partition plate, and the air inlet and the air outlet of the material separation device are close to the top of the settling chamber.

Preferably, the height ratio of the settling chamber to the partition is 3: 2.

as preferred, the ash discharging device includes auger delivery and lock gas ash discharging valve, auger delivery set up in lock gas ash discharging valve top for carry the material of collecting extremely lock gas ash discharging valve, lock gas ash discharging valve includes shell, pivot and a plurality of blade, the one end of a plurality of blades is followed the periphery ring of pivot is established and is fixed, the other end with the shell wall offsets, the blade can rotate along with the pivot, the blanking mouth has still been seted up to the shell bottom.

Preferably, two air-locking ash discharge valves are arranged and are respectively connected to two ends of the screw conveyor.

Preferably, the screw conveyor comprises a transmission shaft and two sets of helical blades, the two sets of helical blades are respectively a forward screw and a reverse screw, and the two sets of helical blades are all sleeved and fixed on the rotating shaft.

Preferably, the device further comprises a bin, wherein the material separation device is fixed on the bin and is used for conveying the separated materials into the bin.

Preferably, the dust collector main body comprises a box body and a plurality of filter bags, the box body is internally and sequentially divided into an air outlet chamber and a filter chamber from top to bottom, the filter bags are located in the filter chamber and communicated with the air outlet chamber through the filter bags, the air inlet is communicated with the filter chamber, and the air outlet is communicated with the air outlet chamber.

Preferably, a dust collecting chamber is further arranged below the filtering chamber, the dust collecting chamber is communicated with the filtering chamber, and the ash outlet is communicated with the dust collecting chamber.

The beneficial effects of the utility model are mainly embodied in that: the feeding fan, the material separating device and the dust remover main body are combined, so that the characteristics of the feeding fan, the material separating device and the dust remover main body are mutually utilized, and the purposes of supplementing the non-high separation efficiency and low power consumption of the pneumatic conveying material separating device and the high separation efficiency and power consumption allowance of the dust remover main body are achieved. Firstly, a gas type separating device is used for separating gas and solid materials from a gas flow containing the materials, so that the total resistance and power consumption during separation and transmission are reduced. Secondly, the feeding fan and the dust removal fan are adopted to replace a single feeding fan for pneumatic transmission power, the power of the general dust removal fan is large, and the dust removal fan has surplus, after the feeding fan and the dust removal fan are adopted as the pneumatic transmission power, the power of the feeding fan is greatly reduced, meanwhile, the power surplus of the dust removal fan can be fully utilized, and the purposes of greatly reducing the power consumption of the feeding fan and reducing the use cost of a dust removal system are achieved. And finally, the tail gas separated by the material separation device still contains partial materials or dust, the tail gas through pipe returns to the dust remover main body, and after being filtered by the dust remover main body, clean air is emptied. Adopt the filtering action of main dust remover, reach the exhaust gas purification, the evacuation up to standard of environmental protection, both make full use of the efficiency of main dust remover, saved again and set up the filter bag and the cost that increases to material separation device alone.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of the overall structure of a dust removing system of the present invention;

FIG. 2 is an enlarged view of the material separation device in the dust removal system of the present invention;

fig. 3 is the schematic view of the unloading process of the air-lock ash-unloading valve in the dust removing system of the utility model.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and only describe the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; in addition, in the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a welding fixing manner, a pin fixing manner, or the like, which is commonly used in the prior art, and therefore, detailed description thereof is omitted in this embodiment.

As shown in fig. 1-3, the present embodiment provides a dust removing system, which includes a main body 1 of a dust remover, a dust removing blower 2, and an air inlet 11, an air outlet 12 and an ash outlet 13 respectively disposed on the main body 1 of the dust remover; the inlet of the dust removal fan 2 is communicated with the air outlet 12 through a pipeline, the air inlet 11 and the ash outlet 13 are communicated with the dust remover main body 1, the air inlet 11 is used for connecting flue gas to be treated, the dust removal fan 2 extracts waste gas after treatment through the air outlet 12 and discharges the waste gas, and the ash outlet 13 is used for discharging collected dust (materials). The dust removal system also comprises a material separation device 3 and a feeding fan 4; the ash outlet 13 of the dust remover main body 1 is communicated with the air inlet 31 of the material separation device 3 through a pipeline, the inlet of the feeding fan 4 is communicated with the air outlet 32 of the material separation device 3 through a pipeline, and the outlet of the feeding fan 4 is communicated with the air inlet 11 of the dust remover main body 1 through a pipeline. The material separation device 3 comprises a settling chamber 33, the settling chamber 33 is a shell made of sheet metal parts and provided with a cavity, an ash discharging device 35 and a partition plate 34, one end of the partition plate 34 is fixed to the top of the settling chamber 33 through welding or bolts, the other end of the partition plate extends to the bottom of the settling chamber 33, the ash discharging device 35 is fixed to the bottom of the settling chamber 33 through bolts, an air inlet 31 and an air outlet 32 of the material separation device 3 are arranged on the settling chamber 33 and are respectively arranged on two sides of the partition plate 34, and the air inlet 31 and the air outlet 32 of the material separation device 3 are close to the top of the settling chamber 33. The height ratio of the settling chamber 33 to the partition 34 is 3: 2.

in the technical scheme of the embodiment, the method that the past pneumatic conveying material separation system is an independent single system and pursues high efficiency is abandoned, the pneumatic conveying material separation device 3 and the dust remover main body 1 are combined with each other and the characteristics of the separation device are mutually utilized, and the purposes that the pneumatic conveying material separation device 3 is not high in separation efficiency, low in power consumption and the dust remover main body 1 is high in separation efficiency and has power consumption margin are supplemented are achieved. One is that utilize the separator of subsiding to replace cyclone and filter bag 15 separator to set up baffle 34, through the settling chamber 33 gravity settling effect, baffle 34 collides the inertia effect, carries out gas-solid material separation to containing the material air current, does not pursue the high efficiency of separating action, but can effectively reduce total resistance and consumption. Under the driving of the suction force of the feeding fan 4 and the dust removal fan 2, the material-containing air flow enters the settling chamber 33 of the material separation device 3 through a pipeline, most of the materials are separated through the gravity settling effect and the collision inertia effect, and fall into the settling chamber 33 and the ash discharge device 35 at the bottom to be discharged in real time. The dust-containing tail gas is returned to the dust remover main body 1 again from the air outlet 32 of the material separation device 3, so that circulation is formed, and the dust remover main body 1 empties the filtered clean air. Secondly, the feeding fan 4 and the dust removal fan 2 are adopted to replace a single feeding fan 4 in pneumatic transmission power, the power of the general dust removal fan 2 is large, and the dust removal fan 4 and the dust removal fan 2 are used as the pneumatic transmission power, the power of the feeding fan 4 is greatly reduced, the power allowance of the dust removal fan 2 can be fully utilized, the purpose of greatly reducing the power of the feeding fan 4 is achieved, and therefore the use power consumption of the dust removal system is reduced and the use cost is reduced. Thirdly, the tail gas separated by the material separating device 33 still contains partial materials (dust), the tail gas enters the dust remover main body 1 through a pipeline, and after being filtered by the dust remover main body 1, clean air is emptied. Adopt the cooperation filtering action of dust remover main part 1, reach the exhaust gas purification, the evacuation up to standard of environmental protection, both make full use of the efficiency of dust remover main part 1, saved the cost-push who sets up filter bag 15 alone again.

As shown in fig. 2-3, in a preferred embodiment, the dust discharging device 35 includes a screw conveyor 5 and a gas-locking dust discharging valve 6, the screw conveyor 5 is disposed above the gas-locking dust discharging valve 6 for conveying the collected material to the gas-locking dust discharging valve 6, the gas-locking dust discharging valve 6 includes a housing 61, a rotating shaft 62 and a plurality of blades 63, one end of each blade 63 is annularly disposed along the outer periphery of the rotating shaft 62 and fixed by a bolt or welding, the other end of each blade 63 abuts against the wall of the housing 61, the blades 63 can rotate along with the rotating shaft 62, and a blanking port 64 is further opened at the bottom of the housing 61. In this embodiment, the blades 63 always abut against the side wall of the housing 61 during the rotation process of the rotating shaft 62, so that the air flow cannot escape from the blanking port 64 to achieve the purpose of locking air, but the discharge of the material (dust) can be ensured, and the real-time continuous discharging is realized without stopping the machine.

As shown in fig. 2 to 3, in the preferred embodiment, two airlock ash discharge valves 6 are provided and are connected to both ends of the screw conveyor 5, respectively. In order to enable the screw conveyor 5 and the two air-lock ash discharge valves 6 to be matched with each other for simultaneous discharge, the screw conveyor 5 in the embodiment includes a transmission shaft 51 and two sets of helical blades 52, the two sets of helical blades 52 are respectively a forward screw and a reverse screw, and the two sets of helical blades 52 are both sleeved and fixed on a rotating shaft 62, a motor 53 is in transmission connection with the transmission shaft 62 for driving the transmission shaft 51 to rotate, and the two sets of helical blades 52 matched with the forward screw and the reverse screw on the transmission shaft 51 can simultaneously convey materials to two ends of the screw conveyor 5 respectively under the condition that only one transmission shaft 51 is used, so that the speed and the efficiency of discharge are improved. The dust removal system also comprises a storage bin 7, the material separation device 3 is fixed on the storage bin 7 through a bolt, and the material separation device 3 is used for sending the separated materials into the storage bin 7.

As shown in figure 1, in the preferred embodiment, the main body 1 of the dust collector comprises a box body 14 and a plurality of filter bags 15, the box body 14 is internally and sequentially divided into an air outlet chamber 16 and a filter chamber 17 from top to bottom, the filter bags 15 are positioned in the filter chamber 17 and communicated with the air outlet chamber 16 through the filter bags 15, an air inlet 11 is communicated with the filter chamber 17, an air outlet 12 is communicated with the air outlet chamber 16, a dust collection chamber 18 is further arranged below the filter chamber 17, the dust collection chamber 18 is communicated with the filter chamber 17, and an ash outlet 13 is communicated with the dust collection chamber 18. When the dust collector main body 1 works, the negative pressure generated by the dust collection fan 2 sucks the smoke containing dust to be treated from the air inlet 11, the smoke enters the air outlet chamber 16 through the filter bag 15, the smoke filtering treatment is finished, the filtered smoke is discharged through the air outlet 12, the dust in the smoke is isolated in the filter chamber 17 and falls to the bottom of the dust collection chamber 18 under the action of gravity, and the dust (material) falling to the bottom of the dust collection chamber 18 is discharged through the dust outlet 13.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a dust pelletizing system, includes dust remover main part, dust exhausting fan to and set up air intake, air outlet and the ash hole in the dust remover main part respectively, dust exhausting fan is linked together with the air outlet, air intake and ash hole all are linked together with the dust remover main part, the air intake is used for inserting pending flue gas, the ash hole is used for discharging the dust, its characterized in that: the dust-removing device is characterized by further comprising a material separating device and a feeding fan, the dust outlet is communicated with an air inlet of the material separating device, an inlet of the feeding fan is communicated with an air outlet of the material separating device, and an outlet of the feeding fan is communicated with the air inlet.

2. The dusting system of claim 1, wherein: the material separating device comprises a settling chamber, an ash discharging device and a partition plate, one end of the partition plate is fixed at the top of the settling chamber, the other end of the partition plate extends towards the bottom of the settling chamber, the ash discharging device is fixed at the bottom of the settling chamber, an air inlet and an air outlet of the material separating device are respectively arranged at two sides of the partition plate, and the air inlet and the air outlet of the material separating device are close to the top of the settling chamber.

3. The dusting system of claim 2, wherein: the height ratio of the settling chamber to the partition is 3: 2.

4. the dusting system of claim 2, wherein: the ash discharging device comprises a screw conveyor and an air-locking ash discharging valve, wherein the screw conveyor is arranged above the air-locking ash discharging valve and is used for conveying collected materials to the air-locking ash discharging valve, the air-locking ash discharging valve comprises a shell, a rotating shaft and a plurality of blades, one ends of the blades are arranged on the outer peripheral ring of the rotating shaft and are fixed, the other end of the rotating shaft is abutted to the wall of the shell, the blades can rotate along with the rotating shaft, and a blanking port is further formed in the bottom of the shell.

5. The dusting system of claim 4, wherein: the two air-locking ash discharge valves are respectively connected to two ends of the screw conveyor.

6. The dusting system of claim 5, wherein: the spiral conveyor comprises a transmission shaft and two groups of spiral blades, the two groups of spiral blades are respectively a forward spiral and a reverse spiral, and the two groups of spiral blades are sleeved and fixed on the rotating shaft.

7. The dusting system of claim 1, wherein: the material separation device is fixed on the storage bin and used for conveying separated materials into the storage bin.

8. The dusting system of claim 1, wherein: the dust remover main part includes box and a plurality of filter bag, divide into air-out room, filter chamber in the box from top to bottom in proper order, a plurality of filter bags are located the filter chamber and are linked together through filter bag and air-out room, the air intake is linked together with the filter chamber, the air outlet is linked together with air-out room.

9. The dusting system of claim 8, wherein: a dust collecting chamber is also arranged below the filtering chamber, the dust collecting chamber is communicated with the filtering chamber, and the dust outlet is communicated with the dust collecting chamber.