CN2491701Y

CN2491701Y - Coal-made gas burning boiler

Info

Publication number: CN2491701Y
Application number: CN 01241783
Authority: CN
Inventors: 卢万松; 李基万; 付景臣
Original assignee: SHULAN CITY BOILER PLANT
Current assignee: SHULAN CITY BOILER PLANT
Priority date: 2001-05-29
Filing date: 2001-05-29
Publication date: 2002-05-15
Anticipated expiration: 2011-05-29

Abstract

A gas-burning boiler is characterized in that a coal-gas producer and a boiler are combined together. The coal-gas producer is composed of an inner burner body, burner fences arranged on an ash pan which is connected with an actuator, and a coal feeding mechanism and a gas outlet disposed on an inner burner body. The burner is composed of an inner water jacket and an outer water jacket, a hearth, a plurality of water-cooling wall pipes, a burner sprayer, a water inlet and a steam outlet, wherein the inner water jacket and the outer water jacket are communicated by an upper connecting tube and a lower connecting tube, the hearth is positioned between the inner water jacket and the outer water jacket, the water-cooling wall pipes communicated with the inner water jacket are disposed in the hearth, the burner sprayer communicated with the coal-gas producer is disposed on the hearth, and the water inlet and the steam outlet are arranged on the inner water jacket. The utility model has the advantages of simple structure, small occupying space, environment protection and the like.

Description

The coal generating gas burning boiler

A kind of coal generating gas burning boiler that relates to field of boilers.

The disclosed colm gas generator of existing gas generator, the particularly patent No.: ZL95200649.9 China's utility model patent can be converted into coal gas with coal, gas-fired calorific value height, and sufficient combustion has avoided coal directly to burn to the pollution of environment; Existing gas-fired boiler thermal output height, no flue dust, still, existing gas generator and boiler are autonomous device, if gas generator and the supporting use of boiler, it is big to exist the equipment occupation space volume, investment is big, the high deficiency of operating cost.

The purpose of this utility model is that existing gas generator and boiler are made up, provide a kind of and on an equipment, coal can be converted into coal gas simultaneously, re-use gas-fired and produce steam or hot water, simple in structure, the volume that takes up room is little, makes, operating cost is low, and heat conduction velocity is fast, thermal efficiency height is beneficial to the coal generating gas burning boiler of environmental protection.

The purpose of this utility model is achieved in that

A kind of coal generating gas burning boiler, be characterized in: it comprises by inner furnace body 5, be provided with grate 22 in the bottom of inner furnace body 5, grate 22 is loaded in the ash-pan 23, grate 22 and vaporization agent inlet 9 is communicated with, and vaporization agent enters the mouth and 9 is connected with air blast 13, and ash-pan 23 is connected with transmission device 21, at inner furnace body 5 tops coal supply apparatus 1, fire exploring hole 3 are housed, on inner furnace body 5, are provided with the gas generator of gas exit 16, manhole 17 compositions; On the inner furnace body 5 of gas generator, be provided with by interior water leg 4, outer water leg 6, the upper and lower end of inside and

outside water leg

4,6 is provided with the upper and lower tube connector 14,18 of connection, between the inside and

outside water leg

4,6 is burner hearth 8, many water screen tubes 7 are set in burner hearth 8, the upper and lower end of water screen tube 7 all is communicated with interior water leg 4, burner nozzle 30, flue tube 27 are set on burner hearth 8, the boiler that water inlet and steam (vapor) outlet 10,26 are formed is set on interior water leg 4.The gas exit 16 of gas generator is communicated with the burner nozzle 30 of boiler by pipeline.In the interior water leg 4 of boiler some super heat-conductive pipes 31 are set, an end of super heat-conductive pipe 31 stretches in the burner hearth 8.The gas exit 16 of gas generator or be communicated with the burner nozzle 30 of boiler by the dust arrester 15 that is provided with on the water leg 6 outside.

Utilize drawings and Examples that the utility model is further described below.

Fig. 1 is a coal generating gas burning boiler structural representation of the present utility model.

Fig. 2 is the schematic top plan view of Fig. 1.

Fig. 3 is an A-A cross-sectional schematic among Fig. 1.

Fig. 4 is a B-B cross-sectional schematic among Fig. 3.

Among the figure: 1 coal supply apparatus, 2 safety valves, 3 fire exploring holes, water leg in 4,5 inner furnace bodies, 6 outer water legs, 7 water screen tubes, 8 burner hearths, 9 vaporization agents inlet, 10 water inlets, 11 sewage draining exits, 12 body of heater pillars, 13 air blasts, tube connector on 14,15 dust arresters, 16 gas exits, 17 manholes, 18 times tube connectors, 19 burner hearth sheaths, 20 body of heater pallets, 21 transmission devices, 22 grates, 23 ash-pans, 24 bases, 25 steam pipe coils, 26 steam (vapor) outlets, 27 smoke exhaust pipes, 28 liquid level cocks, 29 dividing plates, 30 burner nozzles, 31 super heat-conductive pipes.

With reference to Fig. 1-4, the coal generating gas burning boiler comprises gas generator and the boiler two large divisions of containing gas generator.Gas generator is provided with grate 22 by inner furnace body 5 in the bottom of inner furnace body 5, and grate 22 is fixed in the ash-pan 23, and grate 22 and vaporization agent inlet 9 is communicated with, and vaporization agent enters the mouth and 9 is connected with air blast 13.Ash-pan 23 is connected with transmission device 21, and ash-pan 23 places on the base 24 with plane bearing.At inner furnace body 5 tops coal supply apparatus 1, fire exploring hole 3 are housed, are provided with on inner furnace body 5 that coal gas goes out 16, manhole 17 is formed.Boiler is contained within on the gas generator, boiler is by the body of heater pallet 20 that is welded on the gas generator, the interior water leg 4 that joins with gas generator, outer field outer water leg 6, in, external jacket 4, on 6, the lower end be welded with respectively be connected on, following tube connector 14,18, in, outer water leg 4, it between 6 burner hearth 8, many water screen tubes 7 are set in burner hearth 8, on the water screen tube 7, the lower end all is communicated with interior water leg 4, dividing plate 29 is set in burner hearth 8, the burner nozzle 30 that is connected with burner hearth 8 in a side setting of dividing plate 29, on burner hearth 8, be provided with flue tube 27, on interior water leg 4, water inlet 10 is set, sewage draining exit 11, steam (vapor) outlet 26 and safety valve 2, steam (vapor) outlet 26 is communicated with the steam pipe coil 25 that interior water leg 4 tops are provided with, and steam pipe coil 25 is connected with the water seal of fire exploring hole 3.Water leg 6 is provided with liquid level cock 28 compositions outside.In the interior water leg 4 of boiler some super heat-conductive pipes 31 are set, an end of super heat-conductive pipe 31 stretches in the burner hearth 8.The effect of super heat-conductive pipe 31 is to quicken the conduction of the heat of boiler, improves the thermal efficiency of boiler.Be fixed with dust arrester 15 on the outer water leg 6 of boiler, the inlet of dust arrester 15 is communicated with gas exit 16, and the burner nozzle 30 that the outlet of dust arrester 15 communicates with burner hearth 8 is communicated with.Be to reinforce the burner hearth 8 of boiler, be provided with on the body of heater pallet 20 build by laying bricks or stones by refractory brick, be provided with the burner hearth sheath 19 that coaming plate is formed on the refractory brick periphery wall, the coaming plate upper end of burner hearth sheath 19 and outer water leg 6 welding, lower end and body of heater pallet 20 weld to be fixed.Body of heater pallet 20 is fixing with body of heater pillar 12.Boiler is steam or hot-water boiler.

Coal generating gas burning boiler of the present utility model because gas generator and boiler are combined into one, makes device structure simple, and volume-diminished has reduced taking up room, and manufacturing, operating cost are low, easy to use, help environmental protection; Owing to be provided with some super heat-conductive pipes that stretch in the burner hearth in the interior water leg of boiler, super heat-conductive pipe has increased heat conduction velocity, makes the boiler heating fast, thermal efficiency height.

Claims

1, a kind of coal generating gas burning boiler, it is characterized in that: it comprises by inner furnace body (5), be provided with grate (22) in the bottom of inner furnace body (5), grate (22) is loaded in the ash-pan (23), grate (22) is communicated with vaporization agent inlet (9), vaporization agent inlet (9) is connected with air blast (13), ash-pan (23) is connected with transmission device (21), at inner furnace body (5) top coal supply apparatus (1) is housed, fire exploring hole (3), on inner furnace body (5), be provided with gas exit (16), the gas generator that manhole (17) is formed, go up setting by interior water leg (4) at the inner furnace body (5) of gas generator, outer water leg (6), in, outer water leg (4,6) on, the lower end be provided with connection on, following tube connector (14,18), in, outer water leg (4,6) between burner hearth (8), many water screen tubes (7) are set in burner hearth (8), on the water screen tube (7), the lower end all is communicated with interior water leg (4), burner nozzle (30) is set on burner hearth (8), flue tube (27), water inlet and steam (vapor) outlet (10 are set on interior water leg (4), 26) boiler of Zu Chenging, the gas exit of gas generator (16) is communicated with the burner nozzle (30) of boiler by pipeline.

2, coal generating gas burning boiler according to claim 1 is characterized in that: some super heat-conductive pipes (31) are set in the interior water leg 4 of boiler, and an end of super heat-conductive pipe (31) stretches in the burner hearth (8).

3, coal generating gas burning boiler according to claim 1 is characterized in that: the gas exit of gas generator (16) or go up the dust arrester (15) that is provided with by water leg (6) outside and be communicated with the burner nozzle (30) of boiler.