CN2128248Y

CN2128248Y - Fin shaped water pipe type gas generator

Info

Publication number: CN2128248Y
Application number: CN 92217251
Authority: CN
Inventors: 焦中保
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-06-26
Filing date: 1992-06-26
Publication date: 1993-03-17
Anticipated expiration: 2002-06-26

Abstract

The utility model belongs to a novel coal-gas producer for minor nitrogenous fertilizers. The inner wall of the producer adopts a fin sheet abnormal-shaped water-pipe structure, and the middle is provided with preheating producer-entering soft water and a reinforcing ring fixedly provided with a fin sheet abnormal-shaped water pipe. The utility model has the advantages of upgrading the steam working pressure to 3.9MPa, even higher, from the low pressure 0.2MPa, raw coal saving, etc. According to reckoning, the steam working pressure can be upgraded by about 20 times.

Description

Fin shaped water pipe type gas generator

The utility model relates to the improvement of the producer gas generator structure that a kind of little nitrogen fertilizer production uses.

At present, the producer gas generator shaft in the little nitrogen fertilizer production of China adopts the water jacket formula usually.Water jacket with producer gas generator reclaims heat and produces steam, and promptly water-filling produces steam to absorb heat energy in the stove between the shaft inside and outside wall.Steam working pressure is generally about 02MPa, after the vapor mixing that this steam and boiler produce, is used for making semi-water gas.Though this kind stove has been received certain energy-saving effect,, make energy conservation and consumption reduction effects be subjected to bigger restriction because the steam working pressure that produces is too small.

The purpose of this utility model provides a kind of special-shaped waterpipe type producer gas generator of fin that can improve steam working pressure.

The utility model is according to heat exchange and make full use of the principle of heat energy in the stove, adopt the special-shaped water pipe structure of fin at the shaft inwall, the special-shaped water pipe number of its fin is between 70～90, to increase the sectional area that steam water interface rises in the water pipe and to increase thermal interface, middle heterotypic fire brick (12) and the glass wool thermal insulation layer (13) of adopting is to stop calorific loss.Keep temperature in the stove, its shell (10) adopts steel plate to make, between heterotypic fire brick and glass wool thermal insulation layer, one deck stiffening ring (4) is set with annular conduit, its number of turns is between 12～22 circles, both strengthened the intensity of the special-shaped water pipe of fin, keep the inboard wall of burner hearth shape, but stove soft water is advanced in preheating again, reduce heat and scatter and disappear.Owing to adopted technique scheme, the utlity model has characteristics such as simple in structure, raising steam working pressure, saving raw coal, according to measuring and calculating, adopt the utility model steam working pressure can be brought up to about 39MPa by original 02MPa.

Description of drawings:

Fig. 1, be the utility model furnace binding synoptic diagram

Fig. 2, be the utility model body of heater B-B diagrammatic cross-section (relatively Fig. 1 amplify)

Fig. 3, be the special-shaped water pipe cross sectional representation of the utility model fin

Embodiment:

Accompanying drawing 1 has been drawn an embodiment of the present utility model: the stove diameter is 19 meters.At the shaft inwall, it is evenly distributed that 72 special-shaped water pipes of fin (2) are circumference, and the upper end is welded on the annular header (14), the lower end is welded on down on the annular header (1), make the special-shaped cross current of fin, upper header (14) is held up by upper header carriage (11), to be fixed in the stove; Lower collecting box (1) welds with two downtakes (6) and communicates, and upper header (14) welds with two upcasts (7) and communicates.In order to prevent the special-shaped water pipe thermal expansion distortion of fin, uniform four axial stretchings seam when arranging fin abnormal shape water pipe; Stiffening ring (4) is fixed on heterotypic fire brick (12) outside by stiffening ring strongback (3) and the special-shaped water pipe standing bolt of fin (5); also be provided with mill slag bar (9) in the bottom of lower collecting box (1) and be used for protecting lower collecting box not worn and torn by slag, body of heater shell (10) then is welded with steel plate.

Cold water enters stiffening ring (4) by water inlet pipe (16) to carry out flowing into steam bubble through rising pipe (15) again after the preheating, steam bubble water is entered in the stove by lower collecting box (1) by downtake (6), pass through the special-shaped water pipe of fin (2) again and be heated into steam water interface, steam water interface returns steam bubble by upper header (14) and upcast (7) to carry out carbonated drink and separates, and the water after carbonated drink is separated returns the stove internal recycle and uses.Throw out is then removed by blow-off pipe (8) in the interior water of pipe.Therefore, the utility model can be brought up to 39MPa by low pressure with steam working pressure, even higher.

Claims

1, the special-shaped waterpipe type producer gas generator of a kind of fin, partly be made up of furnace bottom, bell three, it is characterized in that: inboard wall of furnace body adopts the special-shaped water pipe structure of fin, and the special-shaped water pipe number of its fin is between 70～90, middle heterotypic fire brick and the glass wool thermal insulation layer of adopting, shell adopts steel plate to make.

2, producer gas generator according to claim 1 is characterized in that the special-shaped water pipe of fin (2) is circumference uniform distribution and arranges in stove, and is evenly equipped with four axial stretching seams.

3, according to claim 1,2 described producer gas generators, the special-shaped water pipe (2) of the fin lower end that it is characterized in that circumferential arrangement is communicated with lower collecting box (1), the upper end is communicated with upper header (14), lower collecting box (1) communicates with two downtakes (6), and upper header (14) communicates with two upcasts (7).

4, according to claim 1,2 described producer gas generators, it is characterized in that between high temperature heterotypic fire brick and glass wool thermal insulation layer, being provided with the stiffening ring (4) that one deck is made up of annular conduit, its number of turns is between 12～22 circles, and stiffening ring (4) is fixed on heterotypic fire brick (12) outside by stiffening ring strongback (3) and the special-shaped water pipe standing bolt of fin (5).