CN110878224A

CN110878224A - Novel semi-carbonized biomass briquette

Info

Publication number: CN110878224A
Application number: CN201910606875.9A
Authority: CN
Inventors: 孙海宝; 孙宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-03-13

Abstract

The invention discloses novel semi-carbonized biomass long flame coal which comprises the following components in parts by weight: 20-60 parts of raw coal; 5-25 parts of anthracite; 1-10 parts of semi-carbonized biomass fuel powder; 20-40 parts of coal powder. The semi-carbonized biomass fuel powder is prepared by semi-carbonizing waste wooden fungus sticks. The invention improves the flame height by more than 30 percent on the basis of 30cm of the long flame coal combustion flame, and can completely meet the requirements of any type of hearth; the burning time is prolonged by 4 to 6 hours; due to the deflagration effect of the semi-carbonized biomass fuel, the flame temperature is increased by 300-400 ℃, and the heat value of the fuel is correspondingly increased by 750-1000 kilocalories; no matter the stove is used, no smoke emission can be achieved.

Description

Novel semi-carbonized biomass briquette

Technical Field

The invention relates to the field of new energy, and relates to a novel semi-carbonized biomass briquette.

Background

China is the second largest energy consuming country in the world, primary energy is coal, and at present, the production and consumption of coal in China account for more than 75% of the primary energy, and the coal is the largest coal producing and consuming country in the world. According to the characteristics of energy resources and social and economic conditions in China, the prediction can be realized, and China still serves as the main production and consumption country of coal in a long time in the future.

The coal reserve, resource amount and predicted resource amount of China are 55.697 hundred million tons in total, wherein bituminous coal and lignite with low conversion degree account for more than 50% of the coal reserve, and the coal resources are mostly distributed in remote areas such as Nemeng and Xinjiang. How to cleanly, efficiently and reasonably utilize the limited coal resources in China, especially the coal resources with high internal water, low calorific value and low metamorphism degree in northwest, has very important strategic significance and practical significance for the sustainable development of the society and the national economy in China.

At present, all be the serious disaster area of haze nationwide, administer the problem that the haze is the first solution to big company city as an example, arouse that to regard environmental protection office orders after 10 tons of following small boilers about 4000 from the haze problem, wherein about 1000 steam stoves of production type enterprise usefulness solve these enterprise production with fuel problem, guarantee the requirement of environmental protection again simultaneously and be the problem of waiting to solve urgently.

The existing molded coal briquette is large in size, needs a special stove, is narrow in application range, insufficient in combustion, low in forming rate, large in later-stage damage, long in drying time and difficult to store and transport, and needs a large amount of time for cleaning slag.

Although a large amount of waste resources which can be directly used and used meet the environmental protection trend of waste recycling, the biomass fuel which is directly combusted belongs to high-pollution fuel, and the heat value of the used biomass fuel is low, so that the biomass fuel is not suitable for industrial production.

Disclosure of Invention

The invention aims to solve the technical defects and provide a novel semi-carbonized biomass briquette, which is long-flame raw coal, is easy to ignite during combustion, has the volatile content of more than 30 percent, prolongs the volatile content by more than 30 percent after adding semi-carbonized biomass fuel, has high combustion flame temperature, and realizes smoke-free emission while meeting the requirement of environmental protection. The problems of insufficient combustion and low heat productivity are solved.

The semi-carbonized biomass fuel overflows moisture in the carbonization process, and retains lignin, so that the biomass fuel keeps the characteristic of high volatile content of biomass, has the essence of flammability and coking, improves the heat value by more than one time, and is a fuel which is extremely easy to burn and generates deflagration. Thereby improving the utilization degree of the fuel and reducing the fuel cost.

In order to solve the technical problems, the invention provides a novel semi-carbonized biomass briquette, which comprises the following components in parts by weight:

30-60 parts of long flame coal raw coal;

5-10 parts of anthracite raw coal;

20-40 parts of coal powder;

1-15 parts of semi-carbonized biomass fuel powder.

Preferably, the composition comprises the following components in parts by weight:

40-50 parts of long flame coal raw coal;

8-10 parts of anthracite raw coal;

25-35 parts of coal powder

4-13 parts of semi-carbonized biomass fuel powder.

Preferably, the novel semi-carbonized biomass coal briquette further comprises: the composite material comprises quicklime, a combustion improver and a coal modifier, wherein the quicklime is 1-5 parts by weight, the combustion improver is 0.001-1 part by weight, and the coal modifier is 1-10 parts by weight.

Preferably, the novel semi-carbonized biomass briquette further comprises a binder, wherein the binder is produced by Anshan Zhengtong technology Co., Ltd, and the weight part of the binder is 1-10 parts.

Preferably, the novel semi-carbonized biomass fuel powder is prepared by crushing and semi-carbonizing waste wood mushroom sticks.

Compared with the prior art, the novel semi-carbonized biomass briquette provided by the invention achieves the following effects:

the novel semi-carbonized biomass briquette long flame coal has the combustion flame height of more than 30cm, can completely meet the requirements of any type of hearth, prolongs the combustion time by 4-6 hours, prolongs the volatile matter of flame by more than 30 percent, improves the flame temperature by 300-400 ℃, has no smoke after combustion, and achieves the effects of energy conservation and emission reduction.

The novel semi-carbonized biomass briquette can be used for various hearths, can be used for production furnaces, particularly chain furnaces, and overcomes the difficulty that long flame coal cannot be combusted on the chain furnaces.

Detailed Description

The present invention is further illustrated by the following examples, but the scope of the invention is not limited to the following examples:

example 1:

a novel semi-carbonized biomass briquette comprises the following components in parts by weight:

60 parts of raw long flame coal;

5 parts of anthracite raw coal;

20 parts of coal powder;

1 part of semi-carbonized biomass fuel powder;

1 part of quicklime;

0.001 part of combustion improver;

1 part of a coal modifier;

1 part of adhesive.

The production method of the novel semi-carbonized biomass briquette comprises the following steps: air-drying the raw coal, the anthracite, the semi-carbonized biomass fuel powder and the coal powder in parts by weight, mixing, adding the quick lime, the combustion improver, the coal modifier and the adhesive in parts by weight, crushing the obtained fuel mixture, uniformly stirring, and carrying out extrusion molding by a molding machine.

Wherein, the semi-carbonized biomass fuel powder is prepared by crushing and semi-carbonizing wood waste mushroom sticks. The combustion improver is potassium permanganate, and certainly, combustion improvers with other components can be adopted, and the coal modifier is directly purchased from coal and engineering research institute of Harbin university. The adhesives herein were purchased directly from techniques ltd. The calorific value of the raw coal of the long flame coal is required to reach 6000 kilocalories/kg. The anthracite has high fixed carbon content, low volatile matter yield, high density, high hardness and high ignition point, the addition of the anthracite effectively prolongs the combustion time, and plays a role in controlling the temperature, the addition of the anthracite reaches 10 percent, the combustion time can be prolonged by 4 to 6 hours, and the addition of the anthracite promotes other fuels to burn out the fixed carbon in 4 to 6 hours, so that the function of controlling the temperature of a firing surface is played.

In the combustion process of the invention, when the furnace temperature of the combustion furnace reaches 50 ℃, the semi-carbonized biomass fuel powder in the fuel block is firstly combusted, the furnace temperature is rapidly increased, the semi-carbonized biomass fuel powder is left a gap after being combusted, other raw materials are combusted, the combustion block naturally bursts, under the action of the blower, the volatile matters are longer, the temperature is higher, boiling combustion is naturally formed, and the rapid temperature rise in the furnace chamber is promoted. The semi-carbonized biomass fuel powder is prepared by taking waste wooden fungus sticks as raw materials and crushing and semi-carbonizing the waste wooden fungus sticks, and the particle size of the semi-carbonized biomass fuel powder is less than 1 mm.

Example 2:

30 parts of long flame coal raw coal;

10 parts of anthracite raw coal;

40 parts of coal powder;

10 parts of semi-carbonized biomass fuel powder;

5 parts of quicklime;

1 part of combustion improver;

10 parts of a coal modifier;

10 parts of adhesive.

Production method production was carried out according to the method in example 1.

Example 3:

45 parts of raw long flame coal;

10 parts of anthracite raw coal;

30 parts of coal powder;

5 parts of semi-carbonized biomass fuel powder;

2 parts of quicklime;

0.01 part of combustion improver;

3 parts of a coal modifier;

and 2 parts of a binder.

Example 4:

50 parts of raw long flame coal;

8 parts of anthracite raw coal;

25 parts of coal powder;

4 parts of semi-carbonized biomass fuel powder;

1 part of quicklime;

0.001 part of combustion improver;

1 part of a coal modifier;

1 part of adhesive.

Example 5:

50 parts of raw long flame coal;

10 parts of anthracite raw coal;

35 parts of coal powder;

8 parts of semi-carbonized biomass fuel powder;

5 parts of quicklime;

1 part of combustion improver;

10 parts of a coal modifier;

1-10 parts of an adhesive.

Example 6:

40 parts of long flame coal raw coal;

10 parts of anthracite raw coal;

36 parts of coal powder;

5 parts of semi-carbonized biomass fuel powder;

3 parts of quicklime;

0.06 part of combustion improver;

5 parts of a coal modifier;

6 parts of adhesive.

Claims

1. The utility model provides a novel half carbonization living beings moulded coal which characterized in that:

the composite material comprises the following raw materials in parts by weight:

30-60 parts of long flame coal raw coal;

5-10 parts of anthracite raw coal;

20-40 parts of coal powder;

1-15 parts of semi-carbonized biomass fuel powder;

the semi-carbonized biomass fuel powder comprises the following raw materials in parts by weight, and is prepared by semi-carbonizing:

100 parts of waste wooden fungus sticks.

2. The novel semi-carbonized biomass briquette as claimed in claim 1, characterized in that:

the paint comprises the following components in parts by weight:

30-50 parts of raw coal;

8-15 parts of anthracite;

4-8 parts of semi-carbonized biomass fuel powder;

25-35 parts of coal powder.

3. The novel semi-carbonized biomass briquette as claimed in claim 1, characterized in that:

100 parts of waste wooden fungus sticks.