CN2360793Y

CN2360793Y - Horizontal cross-burning atmospheric hot water boiler

Info

Publication number: CN2360793Y
Application number: CN 98209394
Authority: CN
Inventors: 宋伯民
Original assignee: JINCHENG ATMOSPHERIC BOILER OIL TANK GENERAL PLANT FUKANG CITY
Current assignee: JINCHENG ATMOSPHERIC BOILER OIL TANK GENERAL PLANT FUKANG CITY
Priority date: 1998-04-15
Filing date: 1998-04-15
Publication date: 2000-01-26
Anticipated expiration: 2008-04-15

Abstract

The utility model relates to a horizontal cross-burning atmospheric hot water boiler which comprises a shell, and a boiler furnace which forms a sandwich water jacket with the shell, wherein, the interior of the boiler furnace is provided with a boiler chamber, a mixed combustion chamber, and a smoke box. The utility model is characterized in that the smoke box is divided into a hanging type heat exchange smoke box (front) and a cyclone dust removal heat exchange smoke box (back) by a horizontal water sandwich partition wall; the front part of the hanging type heat exchange smoke box is communicated with the mixed combustion chamber which is communicated with a square boiler chamber which is arranged at the lower part of the mixed combustion chamber through a Y-shaped ignition cylinder which is provided with a water jacket clamp, and the interior of the boiler chamber is provided with a hollow overflow grate pipe which is backward and downwardly tilted from the front; the shell at the front of the boiler chamber is symmetrically provided with boiler doors and cleanout doors which are distributed from top to bottom. The utility model has the advantages of high thermal efficiency, good dust removing effect, and simple operation.

Description

The normal-pressure hot-water boiler of horizontal alternate combustion

The utility model relates to the normal-pressure hot-water boiler of a kind of hot-water boiler, particularly a kind of horizontal alternate combustion.

At present, when boiler structure designs for effective energy savings with reduce the discharge capacity of flue dust, people design a large amount of new structures and the technology of having adopted, double-layer grate back is set in the burner hearth of a sealing to be burnt, reduce the discharge capacity of flue dust, a kind of structure that is most widely used exactly, but the method for operating of this structure boiler trouble, difficult the grasp usually can not reach purpose of design.

The purpose of this utility model is for energy savings and reduces smoke discharge amount, the normal-pressure hot-water boiler of over-emitting black exhaust, power saving, noiselessness, horizontal alternate combustion simple to operate not when a kind of thermal efficiency height, good dedusting effect, coal are provided.

The purpose of this utility model is achieved like this: a kind of normal-pressure hot-water boiler of horizontal alternate combustion, it includes shell and reaches the flue that constitutes intercalated water sleeve with shell, be provided with burner hearth, empty stomach water furnace grate tube, fire-leading cylinder, hybrid combustor, smoke box excessively in the flue, it is characterized in that horizontal water interlayer partition wall is divided into suspended wall heat exchange smoke box (preceding) and cyclone dust removal heat exchange smoke box (back) to smoke box, these two parts are by the exhaust hole UNICOM on the water interlayer partition wall, and the water interlayer partition wall communicates with intercalated water sleeve; Be provided with the suspended wall heat exchanger plates that several have the water conservancy diversion heat contained vanes in the suspended wall heat exchange smoke box, the water in the suspended wall heat exchanger plates is logical with the water in the intercalated water sleeve; The front portion of suspended wall heat exchange smoke box is with hybrid combustor UNICOM, hybrid combustor is located on the square burner hearth UNICOM of its underpart through the fire-leading cylinder of herringbone band water leg, be provided with the empty stomach that is had a down dip by forward-backward algorithm in the burner hearth and cross the water furnace grate tube, two import symmetries are suspended in the top that the empty stomach that tilts in the burner hearth is crossed manifold trunk under the water furnace grate tube rear portion about the fire-leading cylinder of herringbone band water leg; Left-right symmetry has up and down left side fire door, right side fire door and left slag notch, the right slag notch that distributes on the furnace front shell face, can be the combustion parts on the fire grate thus about two parts; On the hearth wall on fire grate top, burner hearth both sides, be provided with the second from left and give bellows for bellows and right secondary; In the cyclone dust removal heat exchange smoke box, the chimney appearance of strip winding water leg has the spiral plate of a spiral backspin 360 degree, forms a spiral dust-removing flue.

Use the utility model, utilized the heat that produces behind the coal combustion fully, and made coal obtain burning more fully, reduced the discharge capacity of flue dust, method of operating is fairly simple.

Below in conjunction with accompanying drawing concrete structure of the present utility model and method of operating are further described:

Fig. 1 is a front view of the present utility model

Fig. 2 is a left view of the present utility model

Fig. 3 is a rearview of the present utility model

Fig. 4 is that the A-A of Fig. 1 is to the sectional structure schematic diagram

Fig. 5 is that the B-B of Fig. 4 is to the sectional structure schematic diagram

Fig. 6 is the structural representation of suspended wall heat exchanger plates

Fig. 7 is that the C-C of Fig. 4 is to the sectional structure schematic diagram

Fig. 8 is that secondary gives bellows D-D to the sectional structure schematic diagram among Fig. 2

Fig. 9 is a secondary air box sliding eye plate structure schematic diagram

Figure 10 is a secondary air box fixing hole plate structure schematic diagram

Figure 11 crosses water furnace grate tube structural representation for the empty stomach near last manifold trunk

(1) left slag notch in the accompanying drawing, (2) left side feed pipe, (3) left side secondary air box, (4) left side fire door, (5) shell, (6) outfall sewer, (7) steam-water separator, (8) connect air pipe, (9) hybrid combustor, (10) flame-observing hole, (11) right side fire door, (12) right side secondary air box, (13) right side feed pipe, (14) right slag notch, (15) secondary air box slip orifice plate is regulated handle, (16) sulfuration slag case, (17) boiler feedwater house steward, (18) deduster and chimney dust collecting box, (19) side shoot door, (20) shoot door, (21) chimney, (22) left back feed pipe, (23) right back feed pipe, (24) go up manifold trunk and add the stream pipe, (25) go up manifold trunk, (26) fire-leading cylinder, (27) cross the water furnace grate tube on an empty stomach, (28) manifold trunk under, (29) fire-leading cylinder water jacket feed pipe, (30) suspended wall heat exchange smoke box, (31) suspended wall heat exchange smoke box flue, (32) heat contained vanes, (33) lower ash output hole, (34) chimney water leg feed pipe, (35) cyclone dust removal heat exchange smoke box, (36) spiral plate, (37) flue, (38) chimney water leg outer wall, (39) exhaust hole, (40) horizontal water interlayer partition wall, (41) suspended wall heat exchanger plates, (42) right fire-leading cylinder inlet, (43) left fire-leading cylinder inlet, (44) smoke deflector, (45) ash-falling hole, (46) secondary air box shell, (47) fixing orifice plate, (48) secondary air box closure plate, (49) slip orifice plate, (50) bellows shell air vent, (51) intercalated water sleeve, (52) burner hearth is given airduct, (53) sliding panel air vent, (54) fixed head air vent, (55) fire grate is encrypted bar, (56) refractory brick.

A kind of normal-pressure hot-water boiler of horizontal alternate combustion, it includes shell (5) and reaches the flue (37) that constitutes intercalated water sleeve with shell, be provided with burner hearth in the flue, cross water furnace grate tube (27) on an empty stomach, fire-leading cylinder (26), hybrid combustor (9), smoke box, it is characterized in that horizontal water interlayer partition wall (40) is divided into suspended wall heat exchange smoke box (30) and cyclone dust removal heat exchange smoke box (35) to smoke box, these two parts are by exhaust hole (39) UNICOM on the water interlayer partition wall (40), water interlayer partition wall (40) communicates with intercalated water sleeve (51), asks interlayer partition wall (40) suspended wall heat exchange smoke box one side wall to be provided with several water conservancy diversion heat contained vanes (32); Be provided with the suspended wall heat exchanger plates (41) that several have water conservancy diversion heat contained vanes (32) in the suspended wall heat exchange smoke box (30), water in water in the suspended wall heat exchanger plates (41) and the interlayer chuck (51) is logical, and the bottom of suspended wall heat exchanger plates (41) has fan-shaped suspended wall heat exchange smoke box flue (31); The front portion of suspended wall heat exchange smoke box is with hybrid combustor (9) UNICOM of band water leg, the top of hybrid combustor (9) is provided with steam-water separator (7), which is provided with boiler outfall sewer (6) and connect air pipe (8), hybrid combustor (9) is located on the square burner hearth UNICOM of its underpart through the fire-leading cylinder (26) of herringbone band water leg, be provided with the empty stomach that has a down dip by forward-backward algorithm in the burner hearth and cross water furnace grate tube (27), its underpart is with manifold trunk (28) is continuous down, the same manifold trunk in top (25) links to each other, the middle part of last manifold trunk (25) is provided with a last manifold trunk that leads to the hybrid combustor intercalated water sleeve and adds stream pipe (24), crosses a side that water furnace grate tube (27) crosses water furnace grate tube (27) near the empty stomach of last manifold trunk on an empty stomach and is provided with fire grate and encrypts bar (55); Two are advanced mouth (43), (42) symmetry and are suspended in the top that the empty stomach that tilts in the burner hearth is crossed manifold trunk (28) under water furnace grate tube (27) rear portion about the fire-leading cylinder (26) of herringbone band water leg; Left-right symmetry has up and down left side fire door (4), left slag notch (1) and right side fire door (11), the right slag notch (14) that distributes on the furnace front shell face, can be the combustion parts on the fire grate thus about two parts; On the hearth wall on fire grate top, burner hearth both sides, be parallel to fire grate and be respectively equipped with the second from left time and give bellows (12) for bellows (3) and right secondary, regulate handle (15) by slip orifice plate on the secondary air box, the secondary that can control coal seam on two fire grates to the left and right is to air quantity; There is the smoke deflector (44) of a band water jacket in the import department of cyclone dust removal heat exchange smoke box (35), cyclone dust removal heat exchange smoke box (35) inner strip winding water leg stack extension appearance (38) and cyclone dust removal heat exchange smoke box flue (37) inwall have the spiral plate (36) of a spiral backspin 360 degree, form a spiral dust-removing flue, be provided with leg-of-mutton ash-falling hole (45) in its corner, be provided with shoot door (20) and side shoot door (19) in the side of cyclone dust removal heat exchange smoke box (35) bottom sides and deduster and chimney dust collecting box (18).Boiler feedwater house steward (17) is positioned at the bottom of suspended wall heat exchange smoke box (30), and it is crossed to suspended wall heat exchange smoke box shell intercalated water sleeve, fire-leading cylinder intercalated water sleeve, empty stomach respectively by feed pipe, right back feed pipe (23), left back feed pipe (22), left side feed pipe (2), right side feed pipe (13) between the first suspended wall heat exchange, and manifold trunk (28) supplies water under the water furnace grate tube.

Below in conjunction with accompanying drawing the course of work of the present utility model is described:

Use the utility model, when stoking, once only add a side, the sulfuration slag that close manifold trunk (28) is down crossed on the water furnace grate tube (27) on an empty stomach pushes sulfuration slag case (16) earlier, the fire coal that to cross on the water furnace grate tube (27) on an empty stomach before pushes away successively again, go up the new coal of adding to cross water furnace grate tube (27) near the empty stomach of last manifold trunk (25) then, and open the secondary air box air feed of a corresponding side, treat that its combustion adds opposite side after prosperous again, so alternately, be provided with fire bars gap encryption bar (55) because of cross water furnace grate tube (27) near the empty stomach of last manifold trunk (25), make the fire grate gap after the encryption have only 1/2 of former gap, overcome the waste that new coal leaks down to cause by the fire bars gap basically; For reaching the smoke elimination purpose, the utility model has adopted the measure of two steps, the inlet (43) of first left and right sides fire-leading cylinder and (42) are positioned at the top of crossing the low end high temperature combustion zone in water fire grate (27) rear portion on an empty stomach, be lower than low-temperature space, volatile matter and imperfect combustion thing that low-temperature space is produced must be through just entering fire-leading cylinder (26) after the aftercombustion of high-temperature region, further aftercombustion when a side coal produces low temperature volatile matter and the imperfect combustion thing fire-leading cylinder by its side and mixes mutually in hybrid combustor (9) with the high-temperature flue gas in the opposite side fire-leading cylinder in addition, thus reach the purpose of smoke elimination; Enter the suspended wall heat exchange smoke box (30) from hybrid combustor (9) through clean-burning high-temperature flue gas, after carrying out heat exchange by suspended wall heat exchanger plates (41) and the heat contained vanes on it (32), enter cyclone dust removal heat exchange smoke box (35) through exhaust hole (39), under the guiding of smoke deflector (44), enter the spiral dust-removing flue, flue dust in the flue gas falls into deduster and chimney dust collecting box (18) by ash-falling hole (45) and lower ash output hole (33) more greatly because of deadweight, and flue gas is discharged from chimney (21) by the chimney import of cyclone dust removal heat exchange smoke box (35) bottom under the negative pressure that chimney (21) produces; In order to utilize heat energy to greatest extent, except that having adopted by shell (5) and flue (37), the utility model constitutes the intercalated water sleeve (51), also adopted and crossed water furnace grate tube (27) on an empty stomach, the fire-leading cylinder (26) of band water leg, the suspended wall heat exchanger plates (41) of band water leg, the smoke deflector (44) of band water leg, the boiler stack extension heat-exchanger rigs such as (21) of band water leg, and in the highest zone of temperature as crossing manifold trunk (28) under the water furnace grate tube on an empty stomach, inlet (43) about fire-leading cylinder, (42), feed water in suspended wall heat exchange smoke box (30) bottom, wherein for preventing to cross on an empty stomach the overheated vaporization of water in the water furnace grate tube (27), be provided with a last manifold trunk that leads to hybrid combustor (9) intercalated water sleeve at the middle part of last manifold trunk (25) and add stream pipe (24), accelerate to cross on an empty stomach the flow velocity of water in the water furnace grate tube (27).

Secondary wind increment of the present utility model is to control by the involutory degree that promotes the fixedly plate hole (54) on the same fixedly orifice plate (47) of slip plate hole (53) on secondary air box slip orifice plate adjusting handle (15) the control slip orifice plate (49).

The utlity model has in sum that smoke medicining dust-removing effect is good, the thermal efficiency is high, rational in infrastructure, behaviour Make the advantages such as simple.

Claims

1. the normal-pressure hot-water boiler of a horizontal alternate combustion, it includes shell (5) and reaches the flue (37) that constitutes intercalated water sleeve (51) with shell, be provided with burner hearth, empty stomach water furnace grate tube (27), fire-leading cylinder (26), hybrid combustor (9), smoke box excessively in the flue, it is characterized in that horizontal water interlayer partition wall (40) is divided into suspended wall heat exchange smoke box (30) and cyclone dust removal heat exchange smoke box (35) to smoke box, these two parts are by exhaust hole (39) UNICOM on the water interlayer partition wall (40), and water interlayer partition wall (40) communicates with intercalated water sleeve (51); Be provided with the suspended wall heat exchanger plates (41) that several have water conservancy diversion heat contained vanes (32) in the suspended wall heat exchange smoke box (30), the water in the same intercalated water sleeve of water (51) in the suspended wall heat exchanger plates (41) is logical; Anterior same hybrid combustor (9) UNICOM of suspended wall heat exchange smoke box (30), hybrid combustor (9) is located on the square burner hearth UNICOM of its underpart through the fire-leading cylinder (26) of herringbone band water leg, be provided with the empty stomach that is had a down dip by forward-backward algorithm in the burner hearth and cross water furnace grate tube (27), two imports (43) about the fire-leading cylinder (26) of herringbone band water leg, (42) symmetry are suspended in the top that the empty stomach that tilts in the burner hearth is crossed manifold trunk (28) under water furnace grate tube (27) rear portion; Left-right symmetry has up and down left side fire door (4), right side fire door (11) and left slag notch (1), the right slag notch (14) that distributes on the furnace front shell face, can be the combustion parts on the fire grate thus about two parts; On the hearth wall on fire grate top, burner hearth both sides, be provided with the second from left and give bellows (12) for bellows (3) and right secondary; In the cyclone dust removal heat exchange smoke box (35), the chimney appearance (38) of strip winding water leg has the spiral plate (36) of a spiral backspin 360 degree, forms a spiral dust-removing flue.

2. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that crossing on an empty stomach the two ends of water furnace grate tube (27), be connected on manifold trunk (25) and the following manifold trunk (28), cross the downward manifold trunk (28) of water furnace grate tube (27) on an empty stomach and be directed downwards 22 degree-25 degree; The middle part of last manifold trunk (25) is provided with a last manifold trunk that leads to the hybrid combustor water interlayer and adds stream pipe (24).

3. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that herringbone band water leg fire-leading cylinder (26) about two imports (43), (42) be the circle of cutting sth. askew, its gradient is greater than the gradient of crossing water furnace grate tube (27) on an empty stomach, and it is suspended in following manifold trunk (28) top 20 centimeters of crossing water furnace grate tube (27) on an empty stomach.

4. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that suspended wall heat exchanger plates (41) is except that the flue (31) of its underpart, the whole same flues of remainder (37) link to each other, the same intercalated water sleeve of hydroecium (51) in it communicates, and vertically be welded with heat contained vanes (32) on its outer surface, the quantity of suspended wall heat exchanger plates (41) can increase and decrease as requested.

5. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that in the cyclone dust removal heat exchange smoke box (35) having three angles to have leg-of-mutton ash-falling hole (45) in four angles that the same flue of spiral plate (36) (37) of chimney appearance (38) spiral backspin 360 degree of strip winding water leg intersects.

6. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that being provided with a flue gas guiding riser (44) of being with water interlayer in the import of cyclone dust removal heat exchange smoke box (35) along the chimney appearance (38) of band water leg and the upper end of spiral plate (36), chuck hydroecium in the flue gas guiding riser (44) and intercalated water sleeve (51) and chimney intercalated water sleeve link.

7. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1, it is characterized in that the second from left time wind bellows (3), right secondary wind bellows (12) and cross water furnace grate tube (27) on an empty stomach parallel, by burner hearth give airduct (52), bellows shell (46), secondary air box closure plate, bellows shell hole (50), slip orifice plate (49), fixedly orifice plate (47), slip orifice plate adjusting handle (15) are formed; Slip orifice plate (49) is positioned at the fixedly bottom of orifice plate (47), can regulate handle (15) by the slip orifice plate and control its front and back slip.

8. the normal-pressure hot-water boiler of a kind of horizontal alternate combustion according to claim 1 is characterized in that the side of crossing water furnace grate tube (27) near the empty stomach of last manifold trunk (25) is welded with fire bars gap encryption bar (55).