CN201666573U

CN201666573U - A low emission combustion system

Info

Publication number: CN201666573U
Application number: CN2010201146563U
Authority: CN
Inventors: 崔金福
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-09
Filing date: 2010-02-09
Publication date: 2010-12-08
Anticipated expiration: 2020-02-09

Abstract

The utility model relates to a low-emission combustion system, which comprises a main chamber carrying a heat-conducting medium, an oxygen gasification mixing chamber for mixing oxygen and fuel gas is installed in the main chamber, and a fuel gas spray pipe is connected inside the oxygen gasification mixing chamber. The gas spray pipe is externally connected to the gas flow control device. One end of the oxygen gasification mixing chamber is connected with a mixed gas output pipeline, and the other end is connected with a check throat for preventing the mixed gas from backflowing to form a pressure and blocking the oxygen intake. The check throat is connected externally. Oxygen enrichment flow control device. The utility model has reasonable structural design, low price, energy saving and emission reduction, high efficiency and environmental protection.

Description

A kind of low emission combustion system

Technical field

The utility model relates to a kind of low emission combustion system, belongs to the combustion system technical field of structures.

Background technology

At present, existing combustion system adopts the direct air feed of combustion gas more, does not add any combustion-supporting gas, will certainly cause fuel gas buring insufficient like this, and flame propagation velocity is slow, and ignition temperature is low, does not reach the purpose of energy-conserving and environment-protective.

Summary of the invention

The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and provides a kind of reasonable in design, energy-saving and emission-reduction, the low emission combustion system of high-efficiency environment friendly.

The utility model is achieved through the following technical solutions:

A kind of low emission combustion system, its special character is to comprise the main body storehouse 1 that carries heat-conducting medium 5, the oxygen gasified mixing bunker 2 that is used for mixture of oxygen and combustion gas is installed in the main body storehouse 1, oxygen gasified mixing bunker 2 inside are connected with the diffusing jet pipe 4 of combustion gas, the combustion gas jet pipe 4 external gas flow control devices that loose, one end of oxygen gasified mixing bunker 2 is communicated with mixture output tube road 26, one end is communicated with the non-return trunnion 20 that is used to prevent that mist from refluxing and forming pressure, stop oxygen feeding amount, non-return trunnion 20 external oxygen-rich stream amount control devices;

Described gas flow control device comprises the main air supply pipe 24 that communicates with the diffusing jet pipe 4 of combustion gas, main air supply pipe 24 inside are equipped with the main gas control system magnetic valve 6 that is used to control the combustion gas inlet, and main gas control system magnetic valve 6 and combustion gas are loose and between the jet pipe 4 return valve 7 that is used to prevent gas backstreaming be installed;

For still can normal ventilation when main air supply pipe 24 faults, be connected with secondary air supply pipe 21 on the sidewall of described main air supply pipe 24;

Described oxygen-rich stream amount control device comprises the oxygen enrichment interface 18 that is used for oxygen intake, oxygen enrichment interface 18 is connected with the oxygen enrichment fifth wheel 23 that is used to test oxygen flow speed, the best oxygen-enriched combusting gas of allotment, be provided with oxygen enrichment pipeline 25 between oxygen enrichment interface 18 and the non-return trunnion 20, oxygen enrichment pipeline 25 inside are provided with survey wind speed wheel 16, the oxygen enrichment wind control valve 9 that is used to test flowing velocity and allotment optimum mixture ratio example, the check-valves 8 that prevents gas backstreaming;

Be equipped with on the described oxygen enrichment interface 18 and be used for sending oxygen blower fan 17 what oxygen was transported to oxygen gasified mixing bunker 2;

Gaseous mixture output control valve 10 is installed in the described mixture output tube road 26;

The electric heating tube 3 that is used to heat heat-conducting medium 5 is installed in the described main body storehouse 1;

Temperature controller sensor 15, the sewage draining exit 11 that is used to discharge dirt in the storehouse, the exhaust-valve 12 that is used to discharge waste gas in the storehouse that is used to control temperature difference of height distance, dielectric fluid interpolation hole 13, the micro computer operation board 14 that is used to add heat-conducting medium are installed on the described main body storehouse 1;

Described dielectric fluid adds hole 13 and is connected with the high low level scale 22 of medium that is used to guarantee liquid consumption;

The Pressure gauge 19 that is used for detected pressures is installed between described mixture output tube road 26 and the micro computer operation board 14.

A kind of low emission combustion system of the present utility model, combustion gas is fully mixed with oxygen, thereby can effectively drive away inert gas (nitrogen content) in the combustion gas, improved flame transmission speed greatly, ignition temperature improves greatly, reaches the purpose of energy-saving and emission-reduction, high-efficiency environment friendly effect.

Description of drawings

Fig. 1: the structural representation of a kind of low emission combustion system of the present utility model.

Among the figure: 1, the main body storehouse, 2, oxygen gasified mixing bunker, 3, electric heating tube, 4, the combustion gas jet pipe that looses, 5, heat-conducting medium, 6, main gas control system magnetic valve, 7, check-valves, 8, check-valves, 9, oxygen enrichment wind control valve, 10, gaseous mixture output control valve, 11, sewage draining exit, 12, exhaust-valve, 13, dielectric fluid adds hole, 14, the microcomputerized control dish, 15, the temperature controller sensor, 16, fifth wheel, 17, send the oxygen blower fan, 18, the oxygen enrichment interface, 19, Pressure gauge, 20, the non-return trunnion, 21, secondary air supply pipe, 22, the high status of medium scale, 23, the oxygen enrichment fifth wheel, 24, main air supply pipe, 25, the oxygen enrichment pipeline, 26, the mixture output tube road.

The specific embodiment

Provide the specific embodiment of the present utility model below with reference to accompanying drawing, be used for formation of the present utility model is described further.

Embodiment 1

A kind of low emission combustion system of present embodiment, comprise the main body storehouse 1 that carries heat-conducting medium 5, the oxygen gasified mixing bunker 2 that is used for mixture of oxygen and combustion gas is installed in the main body storehouse 1, oxygen gasified mixing bunker 2 inside are connected with the diffusing jet pipe 4 of combustion gas, the combustion gas jet pipe 4 external gas flow control devices that loose, one end of oxygen gasified mixing bunker 2 is communicated with mixture output tube road 26, one end is communicated with the non-return trunnion 20 that is used to prevent that mist from refluxing and forming pressure, stop oxygen feeding amount, non-return trunnion 20 external oxygen-rich stream amount control devices; Gas flow control device comprises the main air supply pipe 24 that communicates with the diffusing jet pipe 4 of combustion gas, main air supply pipe 24 inside are equipped with the main gas control system magnetic valve 6 that is used to control the combustion gas inlet, and main gas control system magnetic valve 6 and combustion gas are loose and between the jet pipe 4 return valve 7 that is used to prevent gas backstreaming be installed; For still can normal ventilation when main air supply pipe 24 faults, be connected with secondary air supply pipe on the sidewall of main air supply pipe 24; The oxygen-rich stream amount control device comprises the oxygen enrichment interface 18 that is used for oxygen intake, oxygen enrichment interface 18 is connected with the oxygen enrichment fifth wheel 23 that is used to test oxygen flow speed, the best oxygen-enriched combusting gas of allotment, be provided with oxygen enrichment pipeline 25 between oxygen enrichment interface 18 and the non-return trunnion 20, oxygen enrichment pipeline 25 inside are provided with survey wind speed wheel 16, the oxygen enrichment wind control valve 9 that is used to test flowing velocity and allotment optimum mixture ratio example, the check-valves 8 that prevents gas backstreaming; Be equipped with on the oxygen enrichment interface 18 and be used for sending oxygen blower fan 17 what oxygen was transported to oxygen gasified mixing bunker 2; Gaseous mixture output control valve 10 is installed in the mixture output tube road 26; The electric heating tube 3 that is used to heat heat-conducting medium 5 is installed in the main body storehouse 1; Temperature controller sensor 15, the sewage draining exit 11 that is used to discharge dirt in the storehouse, the exhaust-valve 12 that is used to discharge waste gas in the storehouse that is used to control temperature difference of height distance, dielectric fluid interpolation hole 13, the micro computer operation board 14 that is used to add heat-conducting medium are installed on the main body storehouse 1; Dielectric fluid adds hole 13 and is connected with the high low level scale 22 of medium that is used to guarantee liquid consumption; The Pressure gauge 19 that is used for detected pressures is installed between mixture output tube road 26 and the micro computer operation board 14.

The effect of each parts in the low emission combustion system:

1. main body storehouse: the carrying heat-conducting medium, make and flow through oxygen in oxygen gasified mixing bunker 2 warehouses and gasify with combustion gas mixing, integral body is heated evenly.

2. oxygen gasified mixing bunker: oxygen mixes output burning by main body storehouse 1 heating and gasifying with combustion gas in the storehouse.To reach sufficient combustion, reduce effects such as carbon discharge capacity.

3. electric heating tube: the heating heat-conducting medium, make gas vaporization, cooperate the automatic adjustment high and low temperature of temperature controller.

4. the combustion gas jet pipe that looses: the whole air-flow that combustion gas is responsible for enter disperses ejection, and oxygen is fully mixed with combustion gas, is heated gasification soon.Sufficient combustion is stable.

5. heat-conducting medium: transmit thermal energy and guarantee the heat conduction equilibrium, keep holding the temperature time.

6. main gas control system magnetic valve: balanced flow, controlled pressure.

7. check-valves: prevent gas backstreaming, guarantee handling safety.

8. check-valves: prevent gas backstreaming, guarantee handling safety.

9. oxygen enrichment wind control valve: control body small-large flow makes to be mixed into direct ratio.

10. gaseous mixture is exported control valve: control output small-large flow, adjust pressure.Make terminal burning shower nozzle adapted kind wider.

11. sewage draining exit: get rid of dirt in the storehouse, keep the heat-conducting medium cleaning.

12. exhaust-valve: take gas in the tank evacuation, convenient and safe when guaranteeing to overhaul.

13. dielectric fluid adds the hole: add heat-conducting medium and safeguard normal heat conduction.

14. micro computer operation board: the control of interface smart circuit, comprise that temperature shows, custom is regulated, pressure detecting, human-computer interaction reaches intelligence and can operate.

15. temperature controller sensor: control temperature difference of height distance, balance requires serviceability temperature, sensitive mail message full-automatic regulation.

16. survey the wind speed wheel: test flowing velocity, allotment optimum mixture ratio example.

17. send the oxygen blower fan: oxygen is transported to mixing bunker, and increases pressure.

18. oxygen enrichment interface: oxygen intake, by the blower fan pressurization, the input mixing bunker.

19. Pressure gauge: detected pressures guarantees safety.

20. non-return trunnion: prevent that the mist backflow from forming pressure, stops oxygen feeding amount.

21. secondary supply air line: operate as normal when preventing to be responsible for fault.

22. the high low level scale of medium: guarantee the media fluid use amount, be convenient to add maintenance.

23. oxygen enrichment fifth wheel: test oxygen flow speed, allocate best oxygen-enriched combusting gas.

A kind of low emission combustion system of present embodiment has following characteristics:

1, the equivalent oxygen that adopts the oxygen enrichment principle to sneak into optimal combustion state in air becomes the oxygen-rich mixture body.Oxygen rich gas is sneaked into (liquefied gas, natural gas, coal gas) formation oxygen-rich mixture body in the combustion fuel, and oxygen rich fuel gas gas can effectively improve flame temperature in combustion gas.When the oxygen content in the combustion air reaches 25% concentration, flame propagation velocity is accelerated, improve flame temperature, oxygen concentration was 4100 ℃ of 1800 ℃, natural gas burning flame temperature 25% o'clock flame temperature when data showed the town gas burning, and can effectively reduce discharging and make NO CO CO ₂Reduce Deng dusty gas.

2, adopt the high-temperature gasification principle, gas gasification and the abundant combined drive of oxygen-enriched air are reached energy-saving and emission-reduction, high-efficiency environment friendly effect except that the inert gas (nitrogen content) in the combustion gas so flame propagation velocity increases with the ignition temperature raising.

The low emission combustion system of present embodiment, adopt high-tech (energy-saving and emission-reduction, the high-efficiency environment friendly) product of two kinds of fuel gas buring principles developments of oxygen rich fuel gas and high-temperature gasification burning be widely used in, large scale industry gas high-temperature stove.As industrial furnaces such as (glass furnace furnace, drying ovens), experimental results show that fractional energy savings is at 20%-40%.

Claims

1. low emission combustion system, it is characterized in that comprising the main body storehouse (1) that carries heat-conducting medium (5), the oxygen gasified mixing bunker (2) that is used for mixture of oxygen and combustion gas is installed in the main body storehouse (1), oxygen gasified mixing bunker (2) inside is connected with the diffusing jet pipe (4) of combustion gas, the combustion gas external gas flow control device of jet pipe (4) that looses, one end of oxygen gasified mixing bunker (2) is communicated with mixture output tube road (26), one end is communicated with and is used to prevent that the mist backflow from forming pressure, the non-return trunnion (20) that stops oxygen feeding amount, the external oxygen-rich stream amount control device of non-return trunnion (20).

2. according to the described a kind of low emission combustion system of claim 1, it is characterized in that described gas flow control device comprises the main air supply pipe (24) that communicates with the diffusing jet pipe (4) of combustion gas, main air supply pipe (24) inside is equipped with the main gas control system magnetic valve (6) that is used to control the combustion gas inlet, and main gas control system magnetic valve (6) and combustion gas are loose and between the jet pipe (4) return valve (7) that is used to prevent gas backstreaming be installed.

3. according to the described a kind of low emission combustion system of claim 2, it is characterized in that being connected with secondary air supply pipe (21) on the sidewall of described main air supply pipe (24).

4. according to the described a kind of low emission combustion system of claim 1, it is characterized in that described oxygen-rich stream amount control device comprises the oxygen enrichment interface (18) that is used for oxygen intake, oxygen enrichment interface (18) is connected with the oxygen enrichment fifth wheel (23) that is used to test oxygen flow speed, the best oxygen-enriched combusting gas of allotment, be provided with oxygen enrichment pipeline (25) between oxygen enrichment interface (18) and the non-return trunnion (20), oxygen enrichment pipeline (25) inside is provided with survey wind speed wheel (16), the oxygen enrichment wind control valve (9) that is used to test flowing velocity and allotment optimum mixture ratio example, the check-valves (8) that prevents gas backstreaming.

5. according to the described a kind of low emission combustion system of claim 4, it is characterized in that being equipped with on the described oxygen enrichment interface (18) and be used for sending oxygen blower fan (17) what oxygen was transported to oxygen gasified mixing bunker (2).

6. according to the described a kind of low emission combustion system of claim 1, it is characterized in that being equipped with in the described mixture output tube road (26) gaseous mixture output control valve (10).

7. according to the described a kind of low emission combustion system of claim 1, it is characterized in that being equipped with in the described main body storehouse (1) electric heating tube (3) that is used to heat heat-conducting medium (5).

8. according to the described a kind of low emission combustion system of claim 1, it is characterized in that being equipped with on the described main body storehouse (1) temperature controller sensor (15), the sewage draining exit (11) that is used to discharge dirt in the storehouse, the exhaust-valve (12) that is used to discharge waste gas in the storehouse that is used to control temperature difference of height distance, dielectric fluid interpolation hole (13), the micro computer operation board (14) that is used to add heat-conducting medium.

9. according to the described a kind of low emission combustion system of claim 8, it is characterized in that described dielectric fluid adds hole (13) and is connected with the high low level scale of medium (22) that is used to guarantee liquid consumption.

10. according to the described a kind of low emission combustion system of claim 1, it is characterized in that being equipped with between described mixture output tube road (26) and the micro computer operation board (14) Pressure gauge (19) that is used for detected pressures.