Integrated fanless straw gasifier

Hebei Hengshui Chunxiao New Radiator Co., Ltd.

Integrated fanless straw gasification furnace

(A) Technical Principles Straw (Firewood) biomass gasification technology is based on the direct combustion of straw, through advanced biomass gas production technology and scientific rapid pyrolysis methods and various types of plant straw (Fireweed) in straight The process of energy conversion under complex physicochemical reactions in the burning state. Take the second cycle combustion (efficient use) of flue gas (straw), that is, the plant straw rich in hydrocarbons is converted into carbon monoxide, hydrogen, methane, and other combustible gases through the action of straw biomass gas furnace, resulting in straw All of the energy is converted into flammable gases to achieve food cooking and indoor heating, while solving the need for cooking and heating simultaneously.
(B) performance characteristics:
1. Biomass gas straw gasifier can directly convert all kinds of crop straws and agricultural and forestry waste into clean biomass gas and burn it through a special converter. Without any chemical additives and ingredients.
2. Innovative function, super-pressure purifying system, making biomass gas clean burning, no tar, smoke, solve the user's winter heating worry.
3. Using scientific wind and gas ratio to form a recirculating air duct, no fan is needed, that is, through three air distribution processes and wind distribution control, the size of firepower can be adjusted.
4. The combustion starts quickly (only one newspaper is required). After the fire is started again, it is still burning.
5. The original biomass gas combustion system has a fast startup speed and can convert tar into high-energy combustion gas. The firepower is fierce, and the utilization rate of heat efficiency is high. Compared with the stove direct fired stove, the utilization rate of heat efficiency is increased by more than 400%. The environmental protection indicators are all in conformity with the national standards.
6. Low energy consumption, only 3-4 kilograms of daily straw (cost is almost zero), a charge can be continuous burning 3-4 hours.
7. The furnace has unique design ideas, advanced technology, scientific structure, small size, convenient operation, safety and reliability, simple production and easy operation.
III. Analysis of market prospects Comprehensive utilization of straw resources is a technology that has emerged in recent years. At present, China can use about 700 million tons of straw each year, but its effective utilization rate is less than 50%, and most of the rest is set ablaze. This not only brings great pollution to the environment, but unfortunately it wastes valuable plant resources. For this reason, Premier Zhu Rongji has repeatedly asked scientific research units to "make up their minds to solve the burning problem of straw."
The comprehensive utilization of straw has always been a key development project that the country actively supports, and enjoys many national policy support and tax incentives.
With the sustained and rapid development of China's economy, the gap between the supply and demand of oil, natural gas, and gas resources has been increasing year by year. There is an urgent need for a new low-cost, energy-saving, safe and clean fuel to enter the market. National authorities and research institutes have been actively looking for new energy sources. How to convert the low calorific value straw resources into efficient and clean biomass gas for the benefit of the people has been listed in the National Key Project of the Ninth Five-Year Plan.
The birth of a family-type, miniaturized biomass gas stove (firewood) gasifier. Break through the straw gasification unit can not be used by a single household, can not be miniaturized, it is difficult to spread the defects of the popularization, to fill the domestic gap. The success of this technology has made great contribution to the ultimate solution to the scientific transformation and efficient utilization of straw in China, and has opened up a sustainable development path for the significant increase in straw value and clean burning. Widely used in various fields, it greatly meets people's thermal energy needs, especially in the rural market, it is easy to popularize and popularize on a large scale, and the market prospect is immeasurable.
1. Wide range of raw materials: Any biomass can be used as raw material. Specifically include:
Straw, wheat straw, cotton stalks, corn stalks, sorghum stalks, rice husks, husks, glutinous rice, twigs, sawdust, shavings, weeds, and various plant vines, stems, leaves, etc.; pharmaceutical factories, sugar factories, Tobacco factory residues, waste, disposable lunch boxes, foam, plastic bags, waste paper, etc.
2. It is easy to popularize and popularize: Compared with gas and liquefied gas, the family-type biomass gas straw gasification stove has three significant advantages: First, the price advantage, and the retail price of straw (firewood) biomass gasification stove is 480 yuan each, and There is no need for supporting facilities. The implementation is fast, convenient and affordable. The average family, especially rural families, is easy to accept. However, coal, gas, liquefied petroleum gas and other fuels are expensive and the investment in equipment installation, urban construction and other ancillary equipment is huge, and implementation is slow. The second is the advantages of resources: the production of straw biomass gas raw materials for renewable resources each year, anywhere desirable, raw materials, almost zero cost. The latter is a one-time energy source. With the gradual reduction of resources, prices will continue to rise. Third, safety advantages: The use of straw gas is safe and reliable, and there are no dangers such as explosion of gas, liquefied gas, etc. under the conditions of storage, transportation, and use. The above advantages will determine the dominance of gas stoves with biomass gas stalk (firewood) in the rural market, and it is easy to popularize and popularize.
3. Combustion technology is advanced, and the market prospect is considerable: Biomass gas straw (firewood) gasification stove combustion technology is at the leading level in the country. The market demand for this product is large, and the investment is profitable. Investors can profit in the short term. This product is the key promotion product of the national “Eleventh Five-Year Plan”.

The integrated fanless straw gasifier is used as follows:
First, prepare materials:
The corn straw, cereal straw, wheat straw, bean straw, and straw are cut into short sections (the shorter the finer the better), the corn kernels are crushed and mixed until ready for use; they can also be mixed with sawdust, grass powder, dried cow dung, sheep manure, Mixed use of horse dung and leaves; plants belonging to crude fibres can participate in combustion.
Second, filling:
1. Turn the furnace upside down and remove the chassis;
2. Put a plastic tube with a diameter of 80mm and a length of 600mm into the center of the furnace body, place it and straighten it;
3. Install the ignition square tube into the ignition square hole and straighten it;
4. The mixed straw material is filled into the furnace body, compacted while filling, compaction can produce enough smoke, so that the gas production of the fire is full and vigorous;
5. The entire furnace can be fully filled and compacted, then the plastic tube can be slowly pulled out and the bottom of the furnace can be covered.
6. Turn the furnace upside down and align the inlet hole of the stove with the fire hole of the furnace body.
Third, ignition:
1. Check whether the main air duct and left and right air duct doors are opened;
2. Open the ignition door;
3. After being ignited with a waste newspaper, the igniter hole extends into the center of the furnace body to ignite the straw material in the furnace.
4. After the ignition, the flame in the furnace will squat along the hole in the center of the furnace, and the sound of the call will be heard, indicating that the fire has ignited;
5. After ignition for about one minute, close the ignition hole door;
6. At this time, the stove began to flame, the color of red; after seven minutes, began to gasification, the flame gradually turned yellow blue, fierce fire, heat of combustion increased, the flame tends to be steady; visible flame from the stove The pores of the gallbladder are flushed upwards, at which point ignition is completed.
Fourth, use:
1. When adjusting the fire of the fire, when the fire is needed, open the left and right air duct doors. If the fire time is small, the air duct doors must be closed or the air duct doors must be opened. When the room temperature is high, the air outlet dampers are closed at any time.
2. Adjust the size of the fire and open the main air duct door at the bottom of the furnace body. The flame is large; the main air duct is small, and the flame is small;
3. Under normal circumstances, the main air duct door should be opened large, so that the flame of the furnace body is fully burned, so that the gas production is quick and uniform, and the heat value is high, which is favorable for boiling water, cooking, and cooking;
4. Found that the fire and the flames are weak and adjust the air duct doors;
Fifth, the fire:
1. Close the main air duct, left and right air duct doors, and ignition hole door;
2. Insert the stove head transverse plate into the stove head (insertion);
3. At this point the furnace will be isolated from the air, so that the fire will self-extinguish, reaching the goal of sealing the fire.
Reuse:
Follow the ignition procedure.
Seven, various fuel burning time:
1. The stove is only filled with straw, the burning time is 40-60 minutes;
2. Stuff the straw and weed mixture, the burning time is 140-170 minutes;
3. Stuffing straw, weeds, sawdust mixture, burning time is 160-180 minutes;
4. Stuffing straw, weeds, sawdust, corn kernel mix burning time is 190-210 minutes;
5. Stuffing straw, sawdust, corn kernel mixture burning time is 200-220 minutes;
6. Filling weeds and dried sheep manure mixture burning time 240-280 minutes;
7. Filling weeds and dry cow dung mixture burning time 240-280 minutes;
8. Filling weeds and dry horse dung mixture burning time 240-280 minutes;
The furnace combustion material is preferably a mixture, that is easy to fuel (fast ignition) and difficult to use fuel (long burning time of material) several mixed use of long burning time, generally a charge should be held in the combustion of 3-3.5 hours (180- 210 minutes) As a matter of fact, packing for one day can be used for cooking and boiling water.
Eight, this furnace beginners easy to produce problems and solutions:
1. Only smoke after ignition, no fire:
1). Check whether the left and right duct doors are open, adjust the size of the air duct, or close the side;
2). Check whether the main air duct is open. If it is not open, open it.
3). Check whether the material layer in the furnace body is flawed.
4). Check whether the ignition hole is closed, not closed, and can be closed;
5). Check if the material being filled is too moist and if it is too wet, replace the dry material.
2. Smoke on the stove after ignition:
1). Check if the main air duct is open. If not, open it.
2). Adjust the size of the left and right air ducts, or close the side;
3). Check if the material being filled is too moist and if it is too wet, replace the dry material.
3. The fire is very fierce, but the flame is red with slight smoke and incomplete vaporization:
1). Check whether the main air duct is fully opened. If not, open it.
2). Check the ignition hole is closed, not closed, can be closed;
3). Check if the material being filled is too moist and if it is too wet, replace the dry material.
9. The moisture content of the fuel burned in this furnace must not exceed 35%. The packing must be substantial and compact; the center hole of the hearth must be open, otherwise the above problems will occur.

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