CN203404781U

CN203404781U - Sludge carbonization material incineration device

Info

Publication number: CN203404781U
Application number: CN201320384667.7U
Authority: CN
Inventors: 赵洪明
Original assignee: SHANDONG HONGLI AIR-CONDITIONING EQUIPMENT Co Ltd
Current assignee: SHANDONG HONGLI PUMP ENERGY CO., LTD.
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-01-22
Anticipated expiration: 2023-06-28

Abstract

The utility model belongs to the technical field of sludge treatment, and particularly relates to a sludge carbonization material incineration device which comprises a vertically-arranged incinerator body, an air distributing plate, a cyclone separator, an induced draft fan, a heat exchanger, an air preheater and a secondary air channel. The air distributing plate separates the incinerator body into a main combustion chamber and a primary air chamber which are communicated up and down. A limestone inlet and a carbonization material inlet are formed in the side wall of the main combustion chamber. A primary air channel is connected to the side wall of the primary air chamber. A smoke inlet and a material falling opening of the cyclone separator are communicated with the upper portion and the lower portion of the main combustion chamber respectively. A smoke conveying pipeline is connected between a smoke discharging opening of the cyclone separator and the induced draft fan. The heat exchanger and the air preheater are arranged on the smoke conveying pipeline in the smoke-flowing direction. The primary air channel penetrates through the air preheater. The secondary air channel is communicated with the main combustion chamber and the smoke discharging opening of the cyclone separator. Carbonization material independent stable combustion can be achieved, the using quantity of auxiliary fuel is lowered, the generating quantity of oxynitride is lowered, atmosphere pollution is avoided, desulfuration cost is lowered, and waste heat is recycled.

Description

Mud carbonized stock incinerator

Technical field

The utility model belongs to technical field of sludge treatment, relates in particular to a kind of mud carbonized stock incinerator.

Background technology

The calorific value of the mud carbonized stock made from mud is very low, and smooth combustion separately adopts the mode of mud carbonized stock and coal or other auxiliary fuel multifuel combustions to carry out burning disposal conventionally.Along with the sharply increase of sewage plant sludge quantity, a large amount of mud carbonized stock of meeting generation in sludge handling process, so just need to consume a large amount of coals or other auxiliary fuels burn jointly.

In combustion process, can produce a large amount of nitrogen oxide (NO _x) be discharged in atmosphere, can contaminated air.

Utility model content

The technical problems to be solved in the utility model is: a kind of mud carbonized stock incinerator is provided, to realize the independent smooth combustion of mud carbonized stock, reduces the use amount of auxiliary fuel, reduce the generation of nitrogen oxide, prevent atmosphere pollution, reduce desulphurization cost, recycle waste heat.

The utility model is to realize like this, a kind of mud carbonized stock incinerator, described mud carbonized stock incinerator comprises: the vertical burning body of heater arranging, in the burner hearth of described burning body of heater, be provided with air distribution plate, described air distribution plate is divided into described burning body of heater main chamber and the air compartment communicating up and down, the sidewall of described main chamber is provided with lime stone import, carbonized stock import, and the sidewall of a described air compartment is provided with the air channel communicating with wind regime;

Cyclone separator, the smoke air inlet of described cyclone separator is connected with the top of described main chamber, and its blanking port is connected with the bottom of described main chamber;

Air-introduced machine, is connected with smoke conveying duct between the flue gas exhaust mouth of described air-introduced machine and described cyclone separator; On described smoke conveying duct, along flow of flue gas direction, be provided with heat exchanger, air preheater, a described air channel is through described air preheater;

Secondary air duct, described secondary air duct is connected between the flue gas exhaust mouth and described main chamber of described cyclone separator.

As a kind of improvement, on described smoke conveying duct, be serially connected with active carbon adsorber, described active carbon adsorber is between described air preheater and described air-introduced machine.

Owing to adopting technique scheme, when the mud carbonized stock incinerator that the utility model provides moves, from lime stone import, carbonized stock import, in main chamber, add lime stone and carbonized stock respectively, the lime stone adding and mud carbonized stock are burnt jointly, can carry out desulphurization reaction to mud carbonized stock, remove the sulphur in carbonized stock; Wind enters in main chamber through air compartment and air distribution plate after air preheater preheating again, contributes to mud carbonized stock fully to burn; The smoke air inlet of cyclone separator is connected with the top of main chamber, and blanking port is communicated with the bottom of main chamber, can send the inert bed material of separating back to main chamber; Secondary Air, for separate a part for flue gas from cyclone separator, enters the top of main chamber by secondary air duct, nitrogen in dilution stove, controls the generation of nitrogen oxide; The waste heat of the high-temperature flue gas that the heat exchanger recoverable burning being connected in series on smoke conveying duct produces, air preheater can carry out preheating to the air entering from air channel, from cyclone separator most of flue gas out, through heat exchanger and air preheater, carry out after heat exchange, temperature is down to 180 ℃ and following through air-introduced machine, pumped to chimney and drain.

The mud carbonized stock incinerator that the utility model provides can be realized the independent smooth combustion of carbonized stock, reduces the use amount of auxiliary fuel, and the generation that reduces nitrogen oxide prevents atmosphere pollution, reduces desulphurization cost, recycles waste heat.

Accompanying drawing explanation

Fig. 1 is the structural representation of mud carbonized stock incinerator of the present utility model;

Wherein, 10, burn body of heater, 11, air distribution plate, 12, main chamber, 13, air compartments, 14, lime stone import, 15, carbonized stock import, 16, air channels, 17, cyclone separator, 18, air-introduced machine, 19, heat exchanger, 20, air preheater, 21, active carbon adsorber, 22, smoke conveying duct, 23, secondary air duct, 24, residue discharge pipe.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As shown in Figure 1, this mud carbonized stock incinerator comprises: the vertical burning body of heater 10 arranging, in the burner hearth that burns body of heater 10, be provided with air distribution plate 11, this air distribution plate 11 is divided into burning body of heater 10 main chamber 12 and the air compartment 13 communicating up and down, the sidewall of this main chamber 12 is provided with lime stone import 14, carbonized stock import 15, the bottom of this main chamber 12 is provided with for discharging the sidewall of 24, air compartments 13 of residue discharge pipe of combustion residue and is provided with the air channel 16 communicating with wind regime; Cyclone separator 17, the smoke air inlet of this cyclone separator 17 is connected with the top of main chamber 12, and its blanking port is connected with the bottom of main chamber 12; Air-introduced machine 18, is connected with smoke conveying duct 22 between this air-introduced machine 18 and the flue gas exhaust mouth of cyclone separator 17; Along flow of flue gas direction, be arranged on heat exchanger 19, air preheater 20, the active carbon adsorber 21 on smoke conveying duct 22, this air channel 16 is through air preheater 20; And the flue gas exhaust mouth of connection cigarette cyclone separator 17 and the secondary air duct 23 between main chamber 12.

In the present embodiment, the quartz sand that main chamber 12 employing average diameters are 0.6mm is as inert bed material, from lime stone import 14, carbonized stock import 15 toward the interior interpolation lime stone of main chamber 12 and carbonized stock, add lime stone and carbonized stock jointly to burn respectively, can remove the sulphur in carbonized stock; Wind enters in main chamber 12 through air compartment 13 and air distribution plate 11 after air preheater 20 preheatings again; The smoke air inlet of cyclone separator 17 is connected with the top of main chamber 12, and blanking port is communicated with the bottom of main chamber 12, can send the inert bed material of separating back to main chamber 12; Secondary Air, for separate a part for flue gas from cyclone separator 17, enters the top of main chamber 12 by secondary air duct 23, nitrogen in dilution stove, controls the generation of nitrogen oxide; On smoke conveying duct 22, be serially connected with heat exchanger 19, air preheater 20, can carry out preheating to the gas entering from air channel 16, from cyclone separator 17 most of flue gas out, through heat exchanger 19 and air preheater 20, carry out after heat exchange, temperature is down to 180 ℃ and following through air-introduced machine 18, pumped to chimney and drain; Can realize the independent smooth combustion of carbonized stock, reduce the use amount of auxiliary fuel, the generation that reduces nitrogen oxide prevents atmosphere pollution, reduces desulphurization cost, recycles waste heat.

The mud carbonized stock incinerator that the utility model provides comprises: the vertical burning body of heater arranging, in the burner hearth that burns body of heater, be provided with air distribution plate, this air distribution plate is divided into burning body of heater main chamber and the air compartment communicating up and down, the sidewall of this main chamber is provided with lime stone import, carbonized stock import, and the sidewall of an air compartment is provided with the air channel communicating with wind regime; Cyclone separator, the smoke air inlet of this cyclone separator is connected with the top of main chamber, and its blanking port is connected with the bottom of main chamber; Air-introduced machine, is provided with smoke conveying duct between the flue gas exhaust mouth of this air-introduced machine and cyclone separator; On smoke conveying duct, along flow of flue gas direction, be provided with heat exchanger, air preheater, this air preheater is communicated with an air channel; And be arranged on the flue gas exhaust mouth of cigarette cyclone separator and the secondary air duct between main chamber; Can realize the independent smooth combustion of carbonized stock, reduce the use amount of auxiliary fuel, the generation that reduces nitrogen oxide prevents atmosphere pollution, reduces desulphurization cost, recycles waste heat.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. mud carbonized stock incinerator, is characterized in that, described mud carbonized stock incinerator comprises:

The vertical burning body of heater arranging, in the burner hearth of described burning body of heater, be provided with air distribution plate, described air distribution plate is divided into described burning body of heater main chamber and the air compartment communicating up and down, the sidewall of described main chamber is provided with lime stone import, carbonized stock import, and the sidewall of a described air compartment is provided with the air channel communicating with wind regime;

2. mud carbonized stock incinerator according to claim 1, is characterized in that, on described smoke conveying duct, is serially connected with active carbon adsorber, and described active carbon adsorber is between described air preheater and described air-introduced machine.