CN210278707U

CN210278707U - High adsorption device for heavy metal in incinerator residues

Info

Publication number: CN210278707U
Application number: CN201920949946.0U
Authority: CN
Inventors: 王小平; 楼灿苗; 章胜利; 万士贤
Original assignee: Ningbo Shimao Energy Co ltd
Current assignee: Ningbo Shimao Energy Co ltd
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-04-10
Anticipated expiration: 2029-06-22

Abstract

The utility model discloses an incinerator residue heavy metal high adsorption device, which comprises a shell, wherein an adsorption component and a driving element for driving the adsorption component to rotate are arranged in the shell, the driving element is arranged at the top of the adsorption device, the adsorption component comprises a rotating shaft with one end connected with the driving element and an adsorption piece fixedly arranged on the rotating shaft, and a spiral channel is arranged on the adsorption piece; a cavity is arranged in the adsorption piece, an adsorbent is filled in the cavity of the adsorption piece, and a plurality of through holes are arranged on the spiral channel and communicated with the cavity; the rotation direction of the adsorption piece is opposite to the spiral direction of the spiral channel. The flue gas gets into the back from the gas outlet discharge behind the helical coiled passage from the air inlet, and at the in-process of passing through the helical coiled passage, partial heavy metal in the flue gas can be adsorbed, and the direction opposite with the spiral direction rotates in addition, causes certain blockking to the flue gas for flue gas and adsorbent can be better contact, consequently, the adsorbent can play better absorption effect.

Description

High adsorption device for heavy metal in incinerator residues

Technical Field

The utility model relates to the technical field, in particular to burn high adsorption equipment of burning furnace residue heavy metal.

Background

In daily life of people, a large amount of garbage is inevitably generated. If the garbage is not effectively treated, the living environment of people can be greatly influenced, and even the health of people is threatened. At present, incineration is one of the main ways of disposing garbage, but in the process of incinerating garbage, not only secondary environmental pollution is caused, but also waste of resources and energy is caused. Therefore, in the garbage disposal, energy can be recovered by generating electricity by burning garbage.

Wherein, to the msw incineration power generation in-process, it is remaining to have heavy metal in the flue gas of burning production, and will have the remaining flue gas of heavy metal and discharge in the air, can cause heavy metal pollution, consequently, need filter the flue gas, eliminate heavy metal in the flue gas as far as possible, reduce the pollution that msw incineration power generation caused the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an burn high adsorption equipment of burning furnace residue heavy metal has the effect of heavy metal in the high-efficient adsorption combustion furnace residue.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a high heavy metal adsorption device for incinerator residues comprises a shell, wherein an air outlet and an air inlet communicated with an incinerator are formed in the shell; the adsorption component comprises a rotating shaft and an adsorption piece, wherein one end of the rotating shaft is connected with the driving element, the adsorption piece is fixedly arranged on the rotating shaft, and a spiral channel is arranged on the adsorption piece; a cavity is formed in the adsorption piece, an adsorbent is filled in the cavity of the adsorption piece, and a plurality of through holes are formed in the spiral channel and communicated with the cavity; the rotation direction of the adsorption piece is opposite to the spiral direction of the spiral channel.

So set up, the flue gas is discharged from the gas outlet after getting into the back through helical coiled passage from the air inlet, and at the in-process of passing through helical coiled passage, partial heavy metal in the flue gas can be adsorbed, and the direction opposite with the spiral direction rotates in addition, causes certain blockking to the flue gas for the contact that flue gas and adsorbent can be better, consequently, the adsorbent can play better absorption effect.

More preferably: an adsorption cylinder is fixedly arranged on the inner wall of the shell, a filling cavity for placing an adsorbent is arranged in the adsorption cylinder, and a plurality of adsorption ports communicated with the filling cavity are arranged on the inner wall of the adsorption cylinder; the adsorption part is arranged in the adsorption cylinder, a plurality of helical blades are arranged on the adsorption part, and helical channels are formed between the helical blades and the inner wall of the adsorption cylinder.

So set up, be convenient for the processing of absorption piece and the formation of helical channel.

More preferably: the cavity penetrates through the top of the helical blade to form a first filling opening; the filling cavity penetrates through the top of the adsorption cylinder to form a second filling opening.

So set up, from first filler opening and second filler opening with the adsorbent place the cavity with fill the chamber in can, simultaneously, owing to set up at the top, can need not to seal the filler opening.

More preferably: and a spray head for spraying lime solution is arranged in the shell.

So set up, the lime solution that the shower nozzle erupted further purifies the flue gas, combines the adsorbent, under two kinds of different filter actions, can be more abundant adsorb the heavy metal in the flue gas.

More preferably: the horizontal plane of the spray head is higher than the adsorption part.

So set up, the lime solution who erupts in the shower nozzle can also wash the adsorbent except can adsorbing the heavy metal in the flue gas for the adsorbent can keep permanent adsorption effect.

More preferably: the spray head is an atomizing spray head.

With the arrangement, the atomized lime solution can be more fully contacted with the flue gas, so that heavy metals in the flue gas can be better absorbed.

More preferably: the bottom of the shell is provided with a discharge hole.

So set up, can follow the discharge gate and will assemble the lime solution discharge in the bottom, avoid the too much gathering of lime solution among the adsorption equipment.

More preferably: the adsorbent is activated carbon.

So set up, gaseous heavy metal material that exists because of adsorbing on the fly ash or adsorb on the active carbon to play the adsorption effect to heavy metal.

To sum up, the utility model discloses following beneficial effect has:

1. the adsorption piece rotates reversely, so that the flue gas passes through the spiral channel, and the adsorption piece has a good adsorption effect on heavy metals in the flue gas;

2. and the spray rinsing of lime solution not only can adsorb the heavy metal in the flue gas to can wash the adsorbent in the suction fitting, can not only better adsorb the heavy metal in the flue gas, can keep the adsorption effect of adsorbent simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram of the adsorption assembly in the present embodiment.

In the figure, 100, the housing; 110. an air inlet; 120. an air outlet; 130. a discharge port; 200. an adsorption component; 210. a rotating shaft; 220. an adsorbing member; 221. a connecting portion; 222. a helical blade; 223. a first filling opening; 224. a through hole; 300. a drive element; 400. an adsorption cylinder; 410. a second filling opening; 420. an adsorption port; 500. a spiral channel; 600. an adsorbent; 700. and (4) a spray head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", 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 referred to 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.

A high adsorption device for heavy metals in incinerator residues comprises a shell 100, an air inlet 110 is formed in the top of the shell 100 and used for being connected with an incinerator, smoke enters the adsorption device from the air inlet 110, an air outlet 120 is formed in the side wall of the shell 100, the distance between the air outlet 120 and the bottom is 1/4-1/3 of the height of the adsorption device, and a discharge outlet 130 is formed in the bottom of the shell 100.

Within the housing 100 are disposed the adsorption assembly 200 and a driving element 300, the driving element 300 being a motor fixedly mounted on the top outer side of the adsorption device. As shown in fig. 2, the absorption assembly 200 includes a rotation shaft 210 and an absorption member 220, one end of the rotation shaft 210 penetrates through the fixed connection between the housing 100 and the driving element 300, the rotation shaft 210 is driven to rotate by the driving element 300, and the absorption member 220 is fixedly mounted at one end of the rotation shaft 210 far away from the driving element 300.

The suction member 220 includes a connection portion 221 and a plurality of spiral blades 222, the connection portion 221 is fixedly connected to the rotation shaft 210, and the spiral blades 222 are fixed to the connection portion 221. Referring to fig. 1, an adsorption cylinder 400 is fixedly disposed on an inner wall of the housing 100, the adsorption cylinder 400 is located outside the adsorption member 220, a gap (not shown) is formed between the spiral blade 222 of the adsorption member 220 and the adsorption cylinder 400, and a spiral channel 500 is formed between two adjacent spiral blades 222 and the inner wall of the adsorption cylinder 400.

Referring to fig. 2, the helical blade 222 is hollow to form a cavity, and the cavity penetrates through the top of the helical blade 222 to form a first filling opening 223; referring to fig. 1, a filling cavity is formed between the adsorption cylinder 400 and the inner wall of the housing 100, the filling cavity penetrates through the top of the adsorption cylinder 400 to form a second filling port 410, and with reference to fig. 1 and 2, an adsorbent 600 can be filled in the cavity and the filling cavity through the first filling port 223 and the second filling port 410, wherein the adsorbent 600 is granular activated carbon.

Referring to fig. 1 and 2, the spiral vane 222 is provided with a through hole 224 to communicate with the cavity, and the inner sidewall of the adsorption cylinder 400 is provided with a plurality of adsorption ports 420 to communicate with the filling chamber.

Wherein, the rotation direction of the suction member 220 is opposite to the spiral direction of the spiral passage 500.

As shown in fig. 1, a spray head 700 for spraying lime solution is arranged in the housing 100, the spray head 700 is located at a level higher than the adsorption member 220, wherein the spray head 700 is an atomizing spray head 700.

The working principle is as follows:

the atomizing nozzle 700 sprays lime solution into the adsorption device to form mist in the adsorption device, and after the flue gas enters the adsorption device from the gas inlet 110, the lime in the mist adsorbs part of heavy metals in the flue gas when the flue gas passes through the mist.

Then, the flue gas after the lime adsorption enters the spiral channel 500, and the adsorption element 220 slowly rotates in the direction opposite to the spiral direction of the spiral channel 500, and in the process that the flue gas passes through the spiral channel 500, part of heavy metals in the flue gas are adsorbed to the activated carbon, and the flue gas passing through the spiral channel 500 is finally discharged from the gas outlet 120. The atomized lime solution passes through the spiral channel 500 during the falling process, and flows to the bottom of the adsorption device after the adsorption member 220 is cleaned, and is discharged from the discharge hole 130.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides an burn high adsorption equipment of burning furnace residue heavy metal which characterized by: comprises a shell (100), wherein an air outlet (120) and an air inlet (110) communicated with an incinerator are arranged on the shell (100); the adsorption device is characterized in that an adsorption component (200) and a driving element (300) for driving the adsorption component (200) to rotate are arranged in the shell (100), the driving element (300) is arranged at the top of the adsorption device, the adsorption component (200) comprises a rotating shaft (210) and an adsorption piece (220), one end of the rotating shaft is connected with the driving element (300), the adsorption piece (220) is fixedly installed on the rotating shaft (210), and a spiral channel (500) is arranged on the adsorption piece (220); a cavity is arranged in the adsorption piece (220), an adsorbent (600) is filled in the cavity of the adsorption piece (220), and a plurality of through holes (224) are arranged on the spiral channel (500) and communicated with the cavity; the rotation direction of the adsorption member (220) is opposite to the spiral direction of the spiral channel (500).

2. The incinerator residue heavy metal high adsorption device according to claim 1, characterized in that: an adsorption cylinder (400) is fixedly arranged on the inner wall of the shell (100), a filling cavity for placing an adsorbent (600) is arranged in the adsorption cylinder (400), and a plurality of adsorption ports (420) communicated with the filling cavity are arranged on the inner wall of the adsorption cylinder (400); the adsorption part (220) is arranged in the adsorption cylinder (400), the adsorption part (220) is provided with a plurality of helical blades (222), and the helical channel (500) is formed between the helical blades (222) and the inner wall of the adsorption cylinder (400).

3. The incinerator residue heavy metal high adsorption device according to claim 2, characterized in that: the cavity is provided with a first filling opening (223) penetrating through the top of the helical blade (222); the filling cavity penetrates through the top of the adsorption cylinder (400) to form a second filling opening (410).

4. The incinerator residue heavy metal high adsorption device according to claim 1, 2 or 3, characterized in that: a spray head (700) for spraying lime solution is arranged in the shell (100).

5. The incinerator residue heavy metal high adsorption device according to claim 4, characterized in that: the horizontal plane of the spray head (700) is higher than the adsorption piece (220).

6. The incinerator residue heavy metal high adsorption device according to claim 4, characterized in that: the spray head (700) is an atomizing spray head (700).

7. The incinerator residue heavy metal high adsorption device according to claim 4, characterized in that: the bottom of the shell (100) is provided with a discharge hole (130).

8. The incinerator residue heavy metal high adsorption device according to claim 1, characterized in that: the adsorbent (600) is activated carbon.