CN2206424Y

CN2206424Y - Combined trough fire grate flue-gas removing coal-saving stove

Info

Publication number: CN2206424Y
Application number: CN 94223955
Authority: CN
Inventors: 王克敏
Original assignee: Beijing Aerospace High-Tech Shuangyou Engineering Department
Current assignee: Beijing Aerospace High-Tech Shuangyou Engineering Department
Priority date: 1994-11-07
Filing date: 1994-11-07
Publication date: 1995-08-30
Anticipated expiration: 2004-11-07

Abstract

The utility model relates to a combined trough fire grate flue-gas removing coal-saving stove. The utility model uses a flat fire grate and a vertical fire grate to combine a trough-shaped fire grate, and the trough-shaped fire grate and a stove arch can together accomplish the purposes of flue-gas removing, coal saving and high efficiency. The utility model belongs to the product of the field of flue-gas removing, coal saving and environmental protection. The utility model is composed of the flat fire grate, the vertical fire grate, the stove arch, a chimney sleeve, a smoke sleeve hole, a chimney, a pressure relief pipe, a stove water jacket, a stove water pipe, a stove body, etc. The flat fire grate and the vertical fire grate form the trough-shaped fire grate, the trough-shaped fire grate and the stove arch together form a dry distillation chamber and a combustion chamber. The stove solves the defects that the single layer fire grate hand stove can not combust sufficiently and can not eradicate flue and dust pollution. The utility model reaches the optimal effect of flue-gas removing, coal saving and high efficiency. The stove is applied to heating, bathing and supplying boiling water for 24 hours.

Description

Combined trough fire grate flue-gas removing coal-saving stove

The utility model relates to a kind ofly be used for heating, have a bath, the smoke elimination of boiling water without interruption, the efficient boiler of economizing on coal.

Present existing hand burns single furnace grate all can not make coal-fired fully burning, can't solve the problem of over-emitting black exhaust.The utility model is exactly to burn for solving traditional hand that a kind of novel combination grooved fire grate that low etc. the problem of single furnace grate over-emitting black exhaust, the thermal efficiency designs eliminates smoke, the high efficiency furnace of economizing on coal.The characteristics of this stove are still to adopt single fire grate; burn mode with natural air draught, hand and just can thoroughly eradicate smoke contamination; not over-emitting black exhaust and 24 hours boiling water without interruption; have smoke elimination, economize on coal, optimal effectiveness efficiently; blackness of exhaustion and concentration are all well below the national environmental protection primary standard, and the thermal efficiency is more than 75%.

Task of the present utility model is finished by following technical scheme:

This combination grooved fire grate coal-saving stove is made up of plain grate, upright fire grate, chimney arch, relief tube, chimney cover, chimney, furnace water pipe, stove water jacket, body of heater etc.It is characterized in that: form the grooved fire grate by plain grate (1), upright fire grate (2), so not only enlarged grate area, and guaranteed the supply of secondary wind, grooved fire grate and chimney arch realize jointly eliminating smoke, economize on coal, purpose efficiently: guarantee that by boiler water tube (9) and stove water jacket (8) high-temperature flue gas that appearance water in the furnace internal-lining and burner hearth produce is reverse circulation, thereby reach the increasing heat-exchange surface, guarantee the high effect of boiler thermal output; Because relief tube (7) is communicated with chimney cover (4), when coolant-temperature gage in the stove raise, the high steam of generation was spurted in chimney cover (4) by relief tube (7), and high pressure gas is sprayed in the chimney (6) by cigarette trepanning (5), thereby guarantee that boiler keeps the purpose of normal pressure forever, guarantees safe in utilization.Simultaneously, the steam that sprays to flue can reach the effect of smoke elimination, dedusting, sulphur removal again.

The operation principle of the utility model foundation is: the fire grate of this stove is formed the grooved fire grate by plain grate, upright fire grate.A coal-fired wind is supplied with from the fire grate gap of plain grate and the fire grate gap of upright fire grate bottom, secondary wind is supplied with by fire grate gap, upright fire grate top, like this, the black smoke that fire coal is separated out is at the chimney arch place, be in the high-temperature region of burner hearth, stir burning with secondary wind, make the bituminous coal smokeless combustion, thus the purpose that reaches thorough smoke elimination, economizes on coal.

Combination grooved fire grate coal-saving stove and accessory has following characteristics:

1. rely on grooved fire grate gap that wind, secondary wind are provided, they produce negative pressure with the suitable chimney of height, guarantee the abundant burning of bituminous coal by the nature air draught, operate very simple, because it is boiler keeps the normal pressure operation forever, fool proof reliable again, so claim " fool's boiler ".

2. this furnace structure is simple, labor and material saving, and the product cost is low.With the forced-draft boiler ratio, power saving economizes coal, and does not have the noise pollution that motor produces.

This stove adopt individual layer fire grate combustion technology just can guarantee fire coal fully burn and economize on coal significantly, over-emitting black exhaust not, this is a breakthrough on burning history in China.Through the actual measurement of national environmental protection inspection center, flue dust blackness and concentration are lower than the national environmental protection primary standard.

4. because this stove utilizes the reasonable Arrangement of the furnace water pipe and the stove water jacket of furnace internal-lining dexterously in design, guarantee to be reverse circulation between the high-temperature flue gas that appearance water in the furnace internal-lining and burner hearth produce, thereby strengthened heat-exchange surface, guaranteed the very high thermal efficiency of boiler, the general thermal efficiency is all more than 75%, be higher than state-set standard far away, and guarantee 24 hours boiling water without interruption.

5. the appropriate design of this stove relief tube and chimney cover had both been guaranteed the normal pressure operation of boiler, and was safe and reliable, pressure release steam rationally can be utilized again, reached the effect of smoke elimination, dedusting, sulphur removal.

Below just concrete enforcement power of the present utility model is further described:

Figure of description is expressed the theory structure of combination grooved fire grate coal-saving stove.As shown in the figure:

1. plain grate 2. upright fire grate 3. chimney arch 4. chimneys overlap 5. cigarette trepannings

6. chimney 7. relief tubes 8. stove water jackets 9. furnace water pipes 10. bodies of heater

The utility model combination grooved fire grate coal-saving stove is a combining structure, plain grate shown in the accompanying drawing (1), upright fire grate (2) are formed the grooved fire grate, grooved fire grate and chimney arch (3) constitute destructive distillation chamber, combustion chamber jointly, for increasing heat exchange area, rationally installed boiler water tube (9), stove water jacket (8) in the stove, flue gas is discharged from chimney (6).For making boiler keep normal pressure, safe in utilization, boiler is provided with relief tube (7) and chimney cover (4) constitutes a complete boiler jointly with body of heater (10).

The concrete course of work of the present utility model is as shown in the figure: bituminous coal is inserted in the grooved fire grate of being made up of plain grate (1), upright fire grate (2), wind feeds burner hearth from the Lower Half fire grate gap of the fire grate gap of plain grate (1) and upright fire grate (2), secondary wind feeds from the fire grate gap of the first half of upright fire grate (2), locate to stir with coal-fired black smoke of separating out in the high-temperature region and be fully burned at chimney arch (3), thus the purpose of realization coal-saving; Because appropriate design has been arranged furnace water pipe (9) and stove water jacket (8), guarantee the high-temperature flue gas reverse circulation that produces in appearance water in the furnace internal-lining and the burner hearth, thereby strengthened the chance of heat exchange, guaranteed the thermal efficiency that boiler is high; When boiler constantly heats up, air pressure in the furnace internal-lining also improves thereupon, high-temperature steam feeds in the chimney cover (4) through relief tube (7), steam in the chimney cover sprays in the chimney (6) from cigarette trepanning (5), like this, has not only guaranteed the pressure release of boiler, make boiler guarantee the normal pressure operation, reach safe and reliable purpose, and the flue gas that will emerge in the chimney is filtered, thereby reach the purpose of smoke elimination, dedusting, sulphur removal.

The above can fully find out the structural design of the ingenious uniqueness of inventor, and this has just guaranteed this utility model boiler smoke abatement, economizes on coal, efficient optimum efficiency.

Claims

1, this combination grooved fire grate coal-saving stove is a kind of boiler of being made up of plain grate, upright fire grate, chimney arch, chimney cover, cigarette trepanning, chimney, relief tube, stove water jacket, furnace water pipe, body of heater etc., it is characterized in that: form the grooved fire grate by plain grate (1), upright fire grate (2), grooved fire grate and chimney arch constitute the combustion chamber.

2, grooved fire grate coal-saving stove according to claim 1 is characterized in that: the high-temperature flue gas that is produced by the combustion chamber is along the appearance water reverse circulation in furnace water pipe (9), stove water jacket (8) and the furnace internal-lining.

3, according to claim 1,2 described grooved fire grate coal-saving stoves, it is characterized in that: this stove has a high temperature relief tube (7) to be connected with chimney cover (4), and chimney cover (4) communicates with cigarette trepanning (5) again, to guarantee the discharge of pressure release steam.