CN201377888Y

CN201377888Y - Biogas heating stove

Info

Publication number: CN201377888Y
Application number: CN200920106451U
Authority: CN
Inventors: 杜克良
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-25
Filing date: 2009-03-25
Publication date: 2010-01-06
Anticipated expiration: 2019-03-25

Abstract

The utility model relates to a biogas heating stove which belongs to the field of the stove. The biogas heating stove comprises a combustion chamber and a main controller connected with a power supply. The lower part of the combustion chamber is fixed with a combustor communicated with a gas pipe. The upper part of the combustion chamber is provided with a heat exchanger. The top part of the combustion chamber is communicated with a chimney. The bottom of the combustion chamber is provided with a wind inlet. The utility model is characterized in that: the combustor consists of a combustion row and a gas-guide row; the gas-guide row is inserted in the combustion row and is in sealing connection with the combustion row; and a fan is arranged in the chimney. The biogas heating stove provided by the utility model can use biogas as the fuel so as to save a large amount of energy and maintain stable combustion; the biogas heating stove uses biogas to replace coal so as to save labor, and after the biogas is combusted, discharged gas cannot cause pollution; and the safety performance of the biogas heating stove can be improved through various protections (power-off protection, gas cutting-off protection, overheating protection, etc.). And at the same time the utility model has the advantages of simple structure, convenient operation, low price and easy popularization and use.

Description

The biogas heating stove

Technical field

The utility model relates to a kind of gas heating stove, particularly relates to a kind of biogas heating stove.

Background technology

Recent years, China is for promoting new countryside construction, rural residence environment and quality of life are further improved, the Ministry of Agriculture of country, the Department of Science and Technology, actively advocate and development biomass energy gasification engineering, it is to be raw material with plants such as wheat straw, corn stalk, and the technological process of production through certain obtains biogas.Country has dropped into huge manpower and materials and has set up large-scale biogas station in the peasant residential area, to provide daily life required fuel to the peasant.But prior biological gas is only limited to cooking gas, northerly rural area, the firing rate maximum then be that fuel is used in heating, and existing natural gas heating stove employing is natural gas, its makings (as fuel value etc.) has significantly different with biogas, connect biogas with the natural gas heating stove, sustained combustion can't take place at all.

The utility model content

At the deficiency in the above-mentioned field, the utility model provides a kind of biogas heating stove, can use biogas to act as a fuel, and continual and steady burning, and is simultaneously simple in structure, controls conveniently, and price is low, is easy to promote the use of.

The biogas heating stove, comprise combustion chamber and the master controller that is connected with power supply, the bottom of described combustion chamber is fixed with the burner that is connected with Gas Pipe, the top of described combustion chamber is heat exchanger, and the top of combustion chamber is connected with chimney, air inlet is arranged at the bottom of combustion chamber, it is characterized in that: described burner is made up of burning row and air guide row, and described air guide socket is gone in the burning row and is tightly connected, and in the described chimney blower fan is installed.

Leave the slit between the inwall of described burner and combustion chamber.

Gas ratio valve and gaseous-pressure controller are installed on the described Gas Pipe, and described gas ratio valve and gaseous-pressure controller are electrically connected with master controller respectively.

On the described heat exchanger overheat protector is installed, the leaving water temperature controller is installed on the outlet pipe of heat exchanger,, described leaving water temperature controller and overheat protector are electrically connected with master controller respectively.

On the described burning row flame controller is installed, described flame controller is electrically connected with master controller.

The utility model is different with conventional natural gas burner, because the fuel value of natural gas is bigger, before burning, natural gas must with air mixing distribution after-combustion, so its air guide row and burning row have certain distance, see Fig. 3, enter burning row internal combustion after making natural gas and air mixing again, and air guide of the present utility model row be must be inserted in the burning row and and burning row between be tightly connected, stop a large amount of air and mix, thereby cause loss of ignition or can not sustained combustion with biogas.Because the sustained combustion of biogas still needs a large amount of oxygen, therefore blower fan of the present utility model is mounted in the chimney, air inlet suck-back by the bottom, combustion chamber is gone into oxygen, blower fan of the present utility model not only plays the effect of the flue dust gas after the venting burning, can also improve the fuel value of biogas and play combustion-supporting effect.When starting master controller, external water pump rotates, fan starting, and igniting earlier feeds biogas and enters burning row after-combustion in the Gas Pipe, flame and heat exchanger generation heat exchange, water constantly circulation raises indoor temperature.

The slit of leaving between the inwall of burner and combustion chamber makes air unblocked, and smoke evacuation and inspiratory effects are better.

The utility model is controlled the open and close of combustion gas and is opened size by the gas ratio valve of installing on Gas Pipe, by gaseous-pressure controller induction gaseous-pressure, when gaseous-pressure is lower than fixed value, master controller will be cut off the electricity supply, source of the gas is not worked, in order to avoid die also, make and come combustion gas to cause danger again after dying in operation.

The leaving water temperature controller of installing on the outlet pipe of heat exchanger can make the user control leaving water temperature according to the height of indoor temperature, thereby effectively controls the heating temperature, helps energy savings, gets as required.Thereby cause burning during indoor overheating when burning is out of control, overheat protector will cut off the power supply by master controller, die, and all operations stop.

When in the fuel gas pipeline combustion gas being arranged, because system or extraneous factor (uncertain), flame controller induction flame reduces until extinguishing, and it also will be cut off the electricity supply by master controller, source of the gas.

The utility model provides a kind of biogas heating stove, can use biogas to act as a fuel, and saves a large amount of energy, and continual and steady burning; Replace fire coal with biogas, save the labour, the gas discharging of burning back is pollution-free; The price of biogas be 0.2-0.3 unit/cube; 100-200 square metre/40-100 of each household expense every day cube gas/12-30 unit; compare coal-fired cost saving and reach 30%; calorific value is 800-1000 kilocalorie/cube gas before the proportioning air; can arrive 1500-2000 kilocalorie/cube gas through calorific value behind the rational proportion air; and protection in several ways (power-off protection, the protection of dying, overtemperature protection etc.) increases its security performance.The utility model is simple in structure simultaneously, and volume is little, and domestic. applications then can be selected for use wall-hanging, controls conveniently, and price is low, is easy to promote the use of.

Description of drawings

Fig. 1 structural representation of the present utility model (using under the connection status)

Fig. 2 chamber structure schematic diagram of the present utility model,

The chamber structure schematic diagram of the existing gas furnace of Fig. 3,

The 1-blower fan, 2-heat exchanger, 3-burner, 4-gas ratio valve; 5-gaseous-pressure controller, 6-master controller, 7-leaving water temperature controller; the 8-overheat protector, 9-automatic ignition device, 10-flame controller; the external water pump of 11-, 12-combustion chamber, 13-return pipe; the 14-outlet pipe, 15-Gas Pipe, 16-air inlet; the 17-row of burning, 18-air guide row, 19-chimney.

The specific embodiment

Fig. 1 is a structural representation of the present utility model, comprise combustion chamber 12 and the master controller 6 that is connected with power supply, the bottom of described combustion chamber 12 is fixed with the burner 3 that is connected with Gas Pipe 15, gas ratio valve 4 and gaseous-pressure controller 5 are installed on the described Gas Pipe 15, described gas ratio valve 4 and gaseous-pressure controller 5 are electrically connected with master controller 6 respectively, the top of described combustion chamber 12 is heat exchanger 2, the outlet pipe 14 of heat exchanger 2 is communicated with radiator with return pipe 13 and by external water pump 11 hot water is circulated in whole pipeline, the top of combustion chamber 12 is connected with chimney 19, air inlet 16 is arranged at the bottom of combustion chamber 12, described burner 3 is made up of burning row 17 and air guide row 18, described air guide row 18 inserts in the burning row 17 and the (see figure 2) that is tightly connected, on the burning row 17 automatic ignition device 9 is installed, in the described chimney 19 blower fan 1 is installed.Air guide of the present utility model row 18 be must be inserted in the burning row 17 and and burning row 17 between be tightly connected, stopping a large amount of air mixes with biogas, thereby cause loss of ignition or can not sustained combustion, because the sustained combustion of biogas still needs a large amount of oxygen, therefore blower fan 1 of the present utility model is mounted in the chimney 19, air inlet 16 suck-backs by 12 bottoms, combustion chamber are gone into oxygen, blower fan 2 of the present utility model not only plays the effect of the flue dust gas after the venting burning, can also improve the fuel value of biogas and play combustion-supporting effect.Leave the slit between the inwall of burner 3 and combustion chamber 12, this slit makes air unblocked, and smoke evacuation and inspiratory effects are better.The utility model is controlled the open and close of combustion gas and is opened size by the gas ratio valve of installing on Gas Pipe 15 4, by gaseous-pressure controller 5 induction gaseous-pressures, when gaseous-pressure is lower than fixed value, master controller 6 will be cut off the electricity supply, source of the gas is not worked, in order to avoid die also, make and come combustion gas to cause danger again after dying in operation.

On the described heat exchanger 2 overheat protector 8 is installed, on the outlet pipe 14 of heat exchanger 2 leaving water temperature controller 7 is installed, described leaving water temperature controller 7 and overheat protector 8 are electrically connected with master controller 6 respectively.The leaving water temperature controller of installing on the heat exchanger 27 can make the user control leaving water temperature according to the height of indoor temperature, thereby effectively controls the heating temperature, helps energy savings, gets as required.Thereby cause when overheated when burning is out of control, overheat protector 8 will cut off the power supply by master controller 6, die the combustion chamber 12 in, and all operations stop.

On the described burning row 17 flame controller 10 is installed, described flame controller 10 is electrically connected with master controller 6.When in the Gas Pipe 15 combustion gas being arranged, because system or extraneous factor (uncertain), flame controller 10 induction flames reduce until extinguishing, and it also will cut off the electricity supply source of the gas by master controller 6.

Turn on the power switch, after master controller 6 control detections normally, external water pump 11 rotates, blower fan 1 air draft, press button ignition switch after, gas ratio valve 4 is opened and is discharged combustion gas and light (must light a fire earlier discharge combustion gas then lighting), after normal combustion 3-4 hour, can arrive the temperature of appointment; If in combustion process, have undesired factor (as: gas station supplier maintenance is stopped the supple of gas or steam, and has a power failure, and water temperature is too high, the improper reason of flame extinguish etc.) all can close source of the gas and power supply, cause personal injury in order to avoid gas leakage occurs.The utility model is simple to operate, and safe and reliable.

Operating voltage 220V/55HZ of the present utility model, power consumption 110W, maximum temperature 80, can satisfy the Home Heating demand fully by effective area 100-200 square metre.

Claims

1, biogas heating stove, comprise combustion chamber and the master controller that is connected with power supply, the bottom of described combustion chamber is fixed with the burner that is connected with Gas Pipe, the top of described combustion chamber is heat exchanger, and the top of combustion chamber is connected with chimney, air inlet is arranged at the bottom of combustion chamber, it is characterized in that: described burner is made up of burning row and air guide row, and described air guide socket is gone in the burning row and is tightly connected, and in the described chimney blower fan is installed.

2, biogas heating stove according to claim 1 is characterized in that: leave the slit between the inwall of described burner and combustion chamber.

3, biogas heating stove according to claim 1 is characterized in that: gas ratio valve and gaseous-pressure controller are installed on the described Gas Pipe, and described gas ratio valve and gaseous-pressure controller are electrically connected with master controller respectively.

4, biogas heating stove according to claim 1; it is characterized in that: on the described heat exchanger overheat protector is installed; the leaving water temperature controller is installed on the outlet pipe of heat exchanger, and described leaving water temperature controller and overheat protector are electrically connected with master controller respectively.

5, biogas heating stove according to claim 1 is characterized in that: on the described burning row flame controller is installed, described flame controller is electrically connected with master controller.