CN201165514Y

CN201165514Y - Negative-pressure type energy-saving environment-protective coal gas producer and coal gas purifier

Info

Publication number: CN201165514Y
Application number: CNU2007201052511U
Authority: CN
Inventors: 潘祖武
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-18
Filing date: 2007-12-18
Publication date: 2008-12-17
Anticipated expiration: 2017-12-18

Abstract

The utility model provides a negative pressure type energy saving and environmental protecting coal gas generating furnace and a coal gas purifying device, which comprises a furnace body, an air flue arranged under the furnace body, a furnace bar, a furnace hearth arranged above the furnace bar and a furnace cover arranged above the furnace body. The negative pressure type energy saving and environmental protecting coal gas generating furnace and the coal gas purifying device are characterized in that a fireproof layer is arranged in the furnace hearth, a coal gas and flue gas suction pipe is arranged on the furnace hearth, and the other end of the coal gas and flue gas suction pipe penetrates through the furnace wall and is connected with an air exhaust pipe connected with the exhaust fan outside the furnace body. A coal gas purifier above which a coal gas inlet, a coal gas outlet, a water inlet and a water outlet are arranged, in which a heat exchanger of a heat exchange water jacket is arranged, and on which a coal gas inlet and a coal gas outlet are arranged and in which a water sprayer is arranged is arranged between the coal gas and flue gas suction pipe and the exhaust fan. The traditional blow-in type combustion is changed into the induced draft combustion, not only the combustion temperature of the furnace hearth can be enhanced, the heat loss can be reduced, the service life can be prolonged, but also after the coal gas and flue gas heat energy can be efficiently utilized to heat the water, the steam and boiled water can be supplied to the users, the effects of energy conservation and consumption reduction are obvious, and the uncontaminated coal gas with high combustion value, strong fire power and no pollution can be supplied to the user.

Description

Suction type energy-conserving and environment-protective producer gas generator and gas cleaning device

Technical field

The utility model relates to a kind of producer gas generator, especially a kind of energy-conserving and environment-protective producer gas generator.

Background technology

The producer gas generator that uses at present all is the positive-pressure type of air blast, promptly from the air blast of body of heater bottom, with the bunker coal in the roasting kiln.There are following many deficiencies in the producer gas generator of this mode: (1) complex structure, and difficulty of processing is big, the time-consuming material that takes, and for improving safety performance, need to increase steel plate thickness, thereby increase production cost, the user is difficult to bear; (2) the water-cooled burner hearth can only be used in the combustion chamber, so work-ing life is short, and the working cost height; (3) though water jacket can provide hot water when fuel gas is provided, there are major safety risks such as increased pressure; (4) breather line is easily by obstructions such as the coal tar in the coal gas, ash and moisture content, thereby influences the unobstructed property of coal gas, is difficult to improve firepower.Therefore, be necessary fully prior art is improved.

Summary of the invention

For overcoming above-mentioned many deficiencies that prior art exists, the utility model provides a kind of suction type energy-conserving and environment-protective producer gas generator.

The utility model also provides a kind of gas cleaning device with suction type energy-conserving and environment-protective producer gas generator.

The utility model is finished by following technical proposal: a kind of suction type energy-conserving and environment-protective producer gas generator, comprise body of heater, be located at the burner hearth of air channel, fire bars and the top thereof of body of heater below, be located at the bell of body of heater top, it is characterized in that being provided with in the burner hearth flame retardant coating, burner hearth is provided with the gas smoke suction tube, it is continuous with the induced exhaust that is connected vacuum fan outside the body of heater that the other end of gas smoke suction tube passes the furnace wall, make fuel combustion in it, coal gas, the flue gas extraction that will burn simultaneously and produce so that make burner hearth produce negative pressure by vacuum fan.

Described flame retardant coating is provided with a week along inboard wall of burner hearth, and upper-thin-lower-thick, is not heated with protection body of heater shell, improves temperature in the burner hearth simultaneously, reduces thermosteresis.

Described gas smoke suction tube places the end on the burner hearth to be provided with hydraucone, to increase inspiratory capacity, increases gas flow rate simultaneously, improves efficiency of combustion.

Another purpose of the utility model is finished by following technical proposal: a kind of gas cleaning device with suction type energy-conserving and environment-protective producer gas generator, the body of heater that comprises band flame retardant coating burner hearth in it, the one end is located on the burner hearth, the other end places the outer gas smoke suction tube of body of heater, it is characterized in that between gas smoke suction tube and vacuum fan, being provided with and establish coal gas import and export and water import and export on it, establish the heat exchanger of heat exchange water jacket in it, with and on establish the coal gas import and export, establish the gas purifier of water spray thrower in it.

Gas inlet pipe on the described heat exchanger shell links to each other with the gas smoke suction tube of suction type energy-conserving and environment-protective producer gas generator, the coal gas escape pipe links to each other with the gas inlet pipe of gas purifier lower housing portion, so that coal gas from suction type energy-conserving and environment-protective producer gas generator, enter in the heat exchanger through the gas smoke suction tube, so that when utilizing coal gas heat energy to add hot water, reduce gas temperature.

The compartment of terrain is provided with vertical coal gas siphunculus in the described heat exchange water jacket, and the lower end of coal gas siphunculus is communicated with gas inlet pipe, and the upper end is communicated with the coal gas escape pipe, thereby forms gas flue in heat exchanger; Heat exchange water puts and is provided with water inlet pipe, rising pipe and vapour-discharge tube, wherein, water inlet pipe links to each other with the water-supply pipe that is connected water tank, rising pipe links to each other with user's hot-water line, vapour-discharge tube links to each other with user's vapour pipe, thereby in heat exchanger, form aquaporin, provide steam and boiling water, reduce the gas smoke temperature simultaneously so that utilize gas smoke heat energy to add the hot water rear line.

The coal gas escape pipe on described gas purifier housing top links to each other with vacuum fan, the intravital water spray thrower of shell is made of the fog-spray nozzle of water-supply pipe and connection water-supply pipe upper end, wherein fog-spray nozzle places the intravital top of shell, the water-supply pipe lower end is passed housing wall and is linked to each other with water pump, so that after coal gas enters in the housing, atomized water by the top ejection, impurity such as dust in the coal gas, coal tar, ash are entered with atomized water in the sewage lagoon of bottom, and the coal gas after purifying use for the user through the coal gas escape pipe.

The utility model compared with prior art has following advantage and effect: adopt such scheme; can change the traditional formula that blasts burning and be the burning of exhausting formula; setting by flame retardant coating in the burner hearth; both can improve the temperature of combustion in the burner hearth; ensure higher efficiency of combustion; can reduce thermosteresis again; protection body of heater shell is not heated, and effectively prolongs its work-ing life, again the setting by heat exchanger; can effectively utilize gas smoke heat energy to add the hot water rear line steam and boiling water are provided; the comprehensive utilization coal resource is realized saving energy and reduce the cost, and reduces the gas smoke temperature simultaneously; pass through gas purifier at last; provide combustion value height to the user, firepower is big, free of contamination clean gas; be convenient to reclaim coal tar simultaneously, reduce its pollution on the environment.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Embodiment

Below in conjunction with accompanying drawing the utility model is described further, is not limited thereto but hold within the utility model.

As Fig. 1, the suction type energy-conserving and environment-protective producer gas generator that the utility model provides, comprise body of heater 1, be located at the air channel 13 of body of heater 1 below and be communicated with air channel 13 be located at

blast inlet

12 and 14 on the furnace wall, wherein blast inlet 12 links to each other with gas blower 39, so that use gas blower 39 air blast during igniting, turn off the blast after burning is normal, change by blast inlet 14 air feeds, supplemental oxygen is combustion-supporting by force also can to open gas blower in addition in combustion processes as required, 13 tops, air channel are fire bars 15, fire bars 15 tops are burner hearth 3, be provided with a circle flame retardant coating 2 of upper-thin-lower-thick in the burner hearth 3, burner hearth 3 middle parts are provided with the gas smoke suction tube 5 of band hydraucone 4, it is continuous with the induced exhaust that is connected vacuum fan 6 outside the body of heater that the other end of gas smoke suction tube 5 passes the furnace wall, make burner hearth 3 form negative pressure regions by vacuum fan and make fuel combustion in it, the coal gas that will burn simultaneously and produce, flue gas is through suction tube 5, induced exhaust 6 is extracted out, body of heater 1 top is a protruding top fire door 10, fire door 10 is provided with water seal 9, bell 11 places in the water seal 9, to improve its sealing property.

Housing 16 inwalls of heat exchanger are provided with thermal insulation layer 17, gas inlet 26 on the housing 16 is communicated with the gas smoke suction tube 5 of suction type energy-conserving and environment-protective producer gas generator by induced exhaust 6, coal gas is introduced in the heat exchanger shell 16, be provided with heat exchange water jacket 18 in the heat exchanger shell 16, the compartment of terrain is provided with many coal gas siphunculus 19 longitudinally in the water jacket 18, the lower end of coal gas siphunculus 19 is communicated with gas inlet 26, the upper end of coal gas siphunculus 19 is communicated with coal gas air outlet 21, to form gas flue, water inlet pipe 25 on the heat exchange water jacket 18 links to each other by the water supply tank 8 of pipeline 7 with the band float(ing)valve, so that cooling water to be provided, rising pipe 23 on the heat exchange water jacket 18 provides boiling water by valve and hydraulic pipe to the user, vapour-discharge tube 20 on the heat exchange water jacket 18 provides steam by unexpected winner and steam transmitting pipe to the user, heat exchanger shell 16 bottoms are dust, coal tar collecting bin 24, and by outlet 27 outside blowdowns, the coal gas air outlet 21 on heat exchanger shell 16 tops links to each other with gas purifier by pipeline 22.

The gas inlet 29 of gas purifier housing 28 bottoms is communicated with coal gas air outlet 21 on the heat exchanger 16 by gas pipe 22, send in the cleaner 28 with the coal gas after will cooling, top in the gas purifier housing 28 is provided with the fog-spray nozzle 30 that links to each other with water-supply pipe 31 upper ends, water-supply pipe 30 lower ends are passed housing wall and are linked to each other with the water circulating pump 33 in the open caisson 32 that places of outside, provide the spraying water with the coal gas in it, thereby purification coal gas, water-supply pipe 31 and fog-spray nozzle 30 constitute spray thrower, the coal gas air outlet 34 on gas purifier housing 28 tops links to each other with vacuum fan 36 by gas line 35, make coal gas after the purification through the air outlet 34, gas line 35 provides to the user, gas purifier housing 28 bottoms are sewage lagoon 37, regularly discharge by sewage draining exit 38, housing 28 tops are provided with water seal 9 and lid 11, so that water seal on cleaner top 9 and lid 11 keep the better seal performance under negative pressure state.

Claims

1, a kind of suction type energy-conserving and environment-protective producer gas generator, comprise body of heater, be located at the burner hearth of air channel, fire bars and the top thereof of body of heater below, be located at the bell of body of heater top, it is characterized in that being provided with in the burner hearth flame retardant coating, burner hearth is provided with the gas smoke suction tube, and it is continuous with the induced exhaust that is connected vacuum fan outside the body of heater that the other end of gas smoke suction tube passes the furnace wall.

2, suction type energy-conserving and environment-protective producer gas generator according to claim 1 is characterized in that described flame retardant coating is provided with a week along inboard wall of burner hearth, and upper-thin-lower-thick.

3, suction type energy-conserving and environment-protective producer gas generator according to claim 1 is characterized in that described gas smoke suction tube places the end on the burner hearth to be provided with hydraucone.

4, a kind of gas cleaning device with suction type energy-conserving and environment-protective producer gas generator, the body of heater that comprises band flame retardant coating burner hearth in it, the one end is located on the burner hearth, the other end places the outer gas smoke suction tube of body of heater, it is characterized in that between gas smoke suction tube and vacuum fan, being provided with and establish coal gas import and export and water import and export on it, establish the heat exchanger of heat exchange water jacket in it, with and on establish the coal gas import and export, establish the gas purifier of water spray thrower in it.

5, the gas cleaning device of band suction type energy-conserving and environment-protective producer gas generator according to claim 4, it is characterized in that the gas inlet pipe on the described heat exchanger shell links to each other with the gas smoke suction tube of suction type energy-conserving and environment-protective producer gas generator, the coal gas escape pipe links to each other with the gas inlet pipe of gas purifier lower housing portion.

6, the gas cleaning device of band suction type energy-conserving and environment-protective producer gas generator according to claim 4, it is characterized in that the compartment of terrain is provided with vertical coal gas siphunculus in the described heat exchange water jacket, the lower end of coal gas siphunculus is communicated with gas inlet pipe, the upper end is communicated with the coal gas escape pipe, heat exchange water puts and is provided with water inlet pipe, rising pipe and vapour-discharge tube, and wherein, water inlet pipe links to each other with the water-supply pipe that is connected water tank, rising pipe links to each other with user's hot-water line, and vapour-discharge tube links to each other with user's vapour pipe.

7, the gas cleaning device of band suction type energy-conserving and environment-protective producer gas generator according to claim 4, the coal gas escape pipe that it is characterized in that described gas purifier housing top links to each other with vacuum fan, the intravital water spray thrower of shell is made of the fog-spray nozzle of water-supply pipe and connection water-supply pipe upper end, fog-spray nozzle places the intravital top of shell, and the water-supply pipe lower end is passed housing wall and linked to each other with water pump.