CN201089757Y - Mixed coal-firing gas furnace - Google Patents

Abstract

The utility model discloses a mixed coal-burning coal gas furnace which aims to provide a mixed coal-burning coal gas furnace with a simple structure, high gas production efficiency, convenient use, safety, reliability, easy production and manufacture, low cost and practicability. The key points of the technical proposal are that: a combustion chamber is positioned at the lower part of an inner furnace body and has a conical steel structure which is getting smaller from the bottom up, a coal gas outlet is positioned at the middle upper part of the combustion chamber, a water jacket is arranged outside the combustion chamber, a weeping pipe is arranged at a higher position in the combustion chamber, is connected to a water level pipe and is provided with a weeping pipe control valve, the lower part of the combustion chamber is provided with a slag hole, an oxygen pipe is arranged below a furnace grate, the coal gas outlet is provided with a cyclone dust collector and a filtering layer. The technical proposal is adopted, so the mixed coal-burning coal gas furnace provided by the utility model has the advantages that: the utility model contributes to the oxidation-reduction reactions, improves the gasification rate, is not easy to accumulate furnace slag, can conveniently remove the furnace slag from the slag hole even if the furnace slag is accumulated, shortens the time of heating and temperature rise of the initial firing and next furnace body use, effectively reduces the emission of the soot, and contributes to the environmental protection.

Description

Mix coal-fired gas furnace

Technical field

The utility model is a kind of coal-fired gas furnace, and it relates to a kind of mixing coal-fired gas furnace.

Background technology

CN2747466Y discloses a kind of brown coal or bavin coal producer gas generator, and belonging to brown coal or bavin coal is fuel, utilizes redox reaction to produce the stove of inflammable gas, and it is by refuel lid, body of heater, cold water jacket, inner furnace, combustion chamber, intake stack.Movable fire bars, escape pipe, strainer are formed, the combustion chamber is conical steel construction, its middle part uniform distribution one row's intake opening, be connected with the stove air channel with intake stack, escape pipe is drawn in the body of heater external filter from up-small and down-big turbination inner furnace bottom outlet, multi-layer porous screen plate is housed in the strainer, cold water jacket is connected with strainer with whole body of heater, be connected the air channel cover plate with bolt on body of heater and the air channel, valve and smokestack are connected furnace roof side top, and all there is sealing-ring at the air channel cover plate, the bunkering port place that communicate with the external world.Because fire coal has been carried out gasification back reignition; effectively reduce atmospheric pollution; improved coal-fired utilization ratio, protected the producer inner bag effectively owing to increased cold water jacket, but because this producer gas generator combustion chamber is up big and down small conical structure; this structure is not easy to the discharge of slag; build up slag easily, also be unfavorable for redox carrying out, water jacket all wraps up inner bag and combustion chamber; the one, make structure complicated, also be unfavorable for the insulation of body of heater.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, gas producing efficiency is high, esy to use, safe and reliable, be easy to manufacture, cheap, practical mixing coal-fired gas furnace.

Mixing coal-fired gas furnace described in the utility model is made of inner furnace body, combustion chamber, gas exit, water jacket, fire grate, gas blower, coal filling hole, smoke outlet, float-ball type water tank, water jacket water inlet pipe, water jacket rising pipe.The combustion chamber is positioned at the inner furnace body bottom and presents little big conical steel construction down, gas exit is positioned at the middle and upper part, combustion chamber, water jacket is housed outside the combustion chamber, weep pipe is equipped with in the top in the combustion chamber, weep pipe is connected on the water level pipe and the weep pipe control valve is housed, be equipped with except that cinder notch the bottom, combustion chamber, under the fire grate oxygen hose is housed, and cyclone type cleaning apparatus and filtering layer are housed on the gas exit.

Owing to adopt technique scheme, the mixing coal-fired gas furnace that the utility model provides has such beneficial effect, helping redox carries out, improve vaporization rate, be difficult for building up slag, even if built up slag, also can from removing cinder notch it be removed easily, shortened and lit a fire for the first time and body of heater heat temperature raising time when using next time, reduced the discharging of flue dust effectively, and simple in structure, cheap, be easy to manufacture.

Description of drawings

Accompanying drawing is the structural representation of the utility model mixing coal-fired gas furnace.

Among the figure: inner furnace body 1 gas exit 2 filtering layers 3 cyclone type cleaning apparatuss 4 pneumatic tubes 5 gas blowers 6 oxygen hoses 7 dedusting mouths 8 fire grates 9 remove cinder notch 10 ash disposal mouths 11 ash storage rooms 12 water jacket water inlet pipes 13 combustion chambers 14 water jackets, 15 water jacket rising pipes, 16 water jacket rising pipe water valves, 17 weep pipes, 18 weep pipe control valves, 19 water level pipes, 20 float-ball type water tanks, 21 coal filling holes, 22 coal flaps, 23 smoke outlets, 24 exhaust smoke valves, 25 lagging materials, 26 shells 27.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

In the accompanying drawings, mix coal-fired gas furnace by inner furnace body 1, combustion chamber 14, gas exit 2, water jacket 15, fire grate 9, gas blower 6, coal filling hole 22, smoke outlet 24, float-ball type water tank 21, water jacket water inlet pipe 13, water jacket rising pipe 16 constitutes, combustion chamber 14 is positioned at inner furnace body 1 bottom and presents little great circle tapered steel structure down, gas exit 2 is positioned at 14 middle and upper parts, combustion chamber, the combustion chamber 14 outer water jackets 15 that are equipped with, and weep pipe 18 is equipped with in the top in the combustion chamber 14, weep pipe 18 is connected on the water level pipe 20 and weep pipe control valve 19 is housed, be equipped with except that cinder notch 10 14 bottoms, combustion chamber, and fire grate is equipped with oxygen hose 79 times, and cyclone type cleaning apparatus 4 and filtering layer 3 are housed on the gas exit 2.

Because the combustion chamber up-small and down-big conical steel construction of 14 employings are equipped with weep pipe 18 in reaching above it, the water of weep pipe 18 is taken from the hot water on water level pipe 20 tops, and the weep pipe control valve 19 control amounts of dripping are arranged.The water droplet that weep pipe 18 oozes is above combustion chamber 14; 14 high temperature become controlled vaporized chemical through the combustion chamber; favourable redox reaction is carried out; improved vaporization rate; and be difficult for making cinder coalescent; the combustion chamber 14 outer water jackets 15 that are equipped with; do not burnt out with protection combustion chamber 14; water jacket water inlet pipe 13 is equipped with in the water jacket below; water jacket 15 tops are equipped with water jacket rising pipe 16 respectively; water level pipe 20; water jacket rising pipe water valve 17 is loaded on the water jacket rising pipe 16; water jacket water inlet pipe 13 is connected with float-ball type water tank 21 to guarantee self water feeding; the inner furnace body 1 outer water jacket that do not wrap up because temperature is not high that is connected with 14 tops, combustion chamber; manufacturing process is greatly simplified; inner furnace body 1; be filled with lagging material 26 between water jacket 15 and the shell 27; make anti-furnace temperature loss; be equipped with except that cinder notch 10 14 bottoms, combustion chamber; when using the coal of easy slagging scorification, can in time open lid slagging-off easily except that cinder notch 10; to guarantee the normal use of stove; cyclone type cleaning apparatus 4 and filtering layer 3 are housed on the gas exit 2; cyclone type cleaning apparatus 4 is removed the larger particles that produces in the mixed gas in the stove; less grit is through filtering layer 3 filterings; the coal gas of cleaning can be through pneumatic tube 5 outputs; cyclone type cleaning apparatus 4 belows are provided with dedusting mouth 8; dedusting mouth 8 is covered when using, and the long-pending uncap for a long time of dust is removed dust.There is ash storage room 12 fire grate 9 belows; have ash disposal mouth 11 on the ash storage room; gas blower 6 is equipped with in fire grate 9 belows; oxygen hose 7; the wind that gas blower 6 blasts during work enters combustion chamber 8 through fire grate 9; make redox reaction takes place in the coal furnace; produce coal gas; in stove, light a fire for the first time and when reusing at interval; can when gas blower 6 air blast, open the oxygen hose 6 that is connected with oxygen cylinder simultaneously and in stove, be blown into pure industrial oxygen, make the rapid rising of combustion chamber 14 temperature and enter and turn-off oxygen blast after the normal gas producing working order; greatly reduce soot emissions, helped environment protection.

Claims (1)

1. one kind is mixed coal-fired gas furnace, it is by inner furnace body (1), combustion chamber (14), gas exit (2), water jacket (15), fire grate (9), gas blower (6), coal filling hole (22), smoke outlet (24), float-ball type water tank (21), water jacket water inlet pipe (13), water jacket rising pipe (16) constitutes, it is characterized in that combustion chamber (14) are positioned at inner furnace body (1) bottom and present little great circle tapered steel structure down, gas exit (2) is positioned at middle and upper part, combustion chamber (14), the outer water jacket (15) that is equipped with in combustion chamber (14), weep pipe (18) is equipped with in the top in the combustion chamber (14), and weep pipe (18) is connected on the water level pipe (20) and weep pipe control valve (19) is housed, and be equipped with except that cinder notch (10) bottom, combustion chamber (14), oxygen hose (7) is housed under the fire grate (9), cyclone type cleaning apparatus (4) and filtering layer (3) are housed on the gas exit (2).

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