KR100237269B1 - Coal boiler - Google Patents

Abstract

The present invention provides a sufficient air supply and lower blown air to the coal falling in the combustion efficiency enhancement method in order to remove the conventional waste end accompanied by the pollution, the coal boiler in each of the plurality of water pipes to enhance the vaporization function It is designed to rapidly heat a small amount of water in the water pipe by the high pressure flame in the pipe, and adds a desulfurization device that burns lime powder to the exhaust gas from the exhaust dust collector and re-burns it with a burner for desulfurization of the exhaust gas. It is a pollution-free coal boiler with a high combustion efficiency, a strong steam generation function, and excellent desulfurization and absorption and removal of toxic gases. It was made.

Description

Coal boiler

1 is a perspective view of the boiler of the present invention.

2 is a cross-sectional view taken along the line A-A 'of FIG.

3 is a cross-sectional view taken along the line B-B 'of FIG.

4 is a cross-sectional view taken along the line C-C 'of FIG.

5 is an enlarged sectional view taken along the line D-D 'of FIG.

Figure 6 is an enlarged longitudinal sectional view of the desulfurization apparatus of the present invention boiler.

7 is a cross-sectional view taken along the line E-E 'of FIG.

* Explanation of symbols for main parts of the drawings

1: Fuselage 1'1 ': Frame

1 ”': Support plate 2,2': Bracket

3,3 ': pedestal 4,4': pin

4 “, 4” ’: Hydraulic cylinder 5: Left hand chamber

5 “, 5” ”: Hot water circulation pipe 6: Excellent room

7: water pipe 7 ′, 7 “: boiling water circulation pipe

8: combustion chamber 8 ': carbon ash automatic outlet

9: corolla 10: dry chamber

10 ': Residual recovery tube 10 “: Dry steam collection tube

10 ”': Steam transfer pipe 10“ ”: Steam discharge pipe

11: Embroidery tube 12: Back wall

13: air compression chamber 14: support plate

15: refractory brick 16: ventilation holes

16 ': limestone 17: rostol

17 ': Jang 18: Material rod

18 ': Horizontal side 18 “: Horizontal side

19,19 ': Hydraulic cylinder 20,21: Blower

22: underground passage 23: coal inlet

24,24 ': screw 25: opening and closing tube

26: downward passage 27: limestone inlet

28: downward path 29: van

30: limestone falls 31: steam tank

32: dry organ 34: exhaust pipe

35: dust collector 36: exhaust box

36 ': Downward part 36 “: Wotazakel

36 “': Drainage 36“ “: Drainage

37: blower 37 ': burner

37 “: tip 37” ’: lime hole

38: desulfurization apparatus 39: burner

40: electrostatic precipitator 41: heavy metal filter

42: First Row Vertical Pipe 43: Second Row Vertical Pipe

44: third vertical plumb pipe 45: discharge pipe

46: high pressure pump 47,47 ', 47 “: injection port

48: drain port 49: water tank

50: gas absorption device

[Purpose of invention]

The present invention is to obtain a pollution-free coal boiler having excellent combustion power and vaporization function, and equipped with a perfect desulfurization device and a gas absorption device without pollution to exhaust gas.

[Technical field to which the invention belongs and the prior art in that field]

Conventional small boilers have a good thermal efficiency by inserting a tube into a circular tank, and the flame passes through the tube. However, large boilers are not available due to vapor pressure. Currently, large boilers include PCB type, BFBC type and CFBC type. These tubes are tubs that pass water through the firebox through the tube, and the tubes are listed only on the inner surface of the fuselage, and the tubes also have no rotating device, so the tubes cannot be lengthened, resulting in low thermal efficiency and high exhaust heat. Is placed in a row on the main surface of the firebox, and the steam generation function is poor. Combustion conditions of the combustion chamber and the arrangement of the tube, such as emitting a large amount of toxic gas The apex Yoshi hayeoteotda heoda.

[Problem to Invent]

The present invention provides a high-performance combustion environment in the combustion chamber to remove the conventional closed end as described above to reduce the incidence of carbon monoxide and install a number of water pipes closely in the fuselage, and through the corolla pipes through the water pipe to be a double pipe, so that the vapor pressure is small It is possible to increase the size, to double the vaporization function, and to provide a high-performance desulfurization function in the desulfurization unit to remove the waste end that emits sulfurous acid gas, carbon dioxide, and other toxic gas, and to make a coal boiler without pollution.

[Configuration and Function of Invention]

[A. Configuration]

In constructing the boiler of the present invention, by installing a bracket and a hydraulic control device on the lower side of the chorus so that the fuselage can be rotated in an equilibrium or right and left, so that it can be rotated in a simple way when manufacturing, checking, and repairing. As the water pipe and the corolla are lengthened between the left and right chambers, the distance that the flame passes is long, so that the flame is almost used and the exhaust heat is little.The double pipes that pass the corolla through the tube are closely arranged in the fuselage, and coal in the combustion chamber from the upper side. Lowers the impact on the rear ramp, injects compressed air into the numerous air vents on the rear, compresses the compressed air from the lower side to burn coal almost completely, and passes the exhaust gas through the desulfurization unit to enhance desulfurization. Pass it through the toxic gas absorber to completely remove the toxic gas Constitute a pollution-free coal-fired boilers.

That is, the lower surface of the body 1 of the boiler is installed on the upper surface of the premium 1 '(1 ") of the same length and integrated, and the left and right brackets 2, 2' of the lower surface of the boiler 1 are mounted on the left and right pedestals 3 ( 3 ') is installed at the upper end with pins 4 and 4', and hydraulic cylinders 4 "and 4" 'for adjusting the inclination angle of the fuselage 1 are installed as shown in Figs. In addition, the posture may be fixed by using a support base.

Corolla (9) provided with left and right water compartments (5) and (6) on both left and right ends of the fuselage (1), and a plurality of water pipes (7) are densely installed therebetween, and opened in the combustion chamber (8) on the left side of the left water compartment (5). After passing through the left-hand chamber (5) and through the water pipe (7), respectively, and again through the rain chamber (6) and opened in the dry steam chamber 10 on the right side, the remnant recovery installed in the lower end of the dry steam chamber (10) The tube 10 'was opened to the lower side of the combustion chamber 8, and the lower end of the C-shaped water pipe 11 was opened in the left water chamber 5, and the upper end of the water pipe 11 extended upwardly in the combustion chamber 8 to its upper end. To communicate with the left hand chamber 5 again to promote the action of steam generation, an automatic charcoal outlet 8 'is installed at the lower end of the combustion chamber 8, and the inside of the rear wall 12 of the combustion chamber 8 is compressed by air. In the yarn 13, the fire bricks 15 are stacked in a plurality of layers as shown in Figs. 2 and 5 while the support plates 14 are erected so that the ventilation holes 16 are formed. It is constructed by attaching the refractory cement with the refractory cement as shown in FIG. 5, and the limestone receiver 16 'is installed on the upper side thereof, and the hollow part is connected to the left hand chamber 5 to withstand the heat of fire, and at the same time, it is configured in addition to the steaming action. A plurality of cleaning rods (18), which are formed by inserting them into the vertically drilled long holes (17 ') of the lower stole (17), fix their lower ends to the horizontal bars (18') and fix them to the transverse bars (18 '). As a result, the left and right hydraulic cylinders 19 and 19 'were retracted horizontally so that the carbonaceous material was intermittently drawn down.

The blower 20 presses air into the air compression chamber 13 and the blower 21 injects air upward from the lower surface of the combustion chamber 8 through the underground passage 22.

The coal injected into the coal inlet 23 is uniformly distributed by the screw 24 and controlled by the opening and closing plate 25 and flows into the downcoming passage 26 to be dropped into the combustion chamber 8. It comes back and falls evenly.

The limestones injected into the limestone inlet 27 are heated by the preheating of the combustion chamber 8 in the passage 28 and immediately after the vanes 29 adjusted to fall according to a suitable heating state are rolled down and dropped into the dropping hole 30. Water was sprayed from below to obtain powdered lime.

The hot water circulation pipe 5 ", 5" '(7') (7 "which connected the left and right water chambers 5 and 6 of the fuselage 1 circulates the hot water between the left and right water chambers 5 and 6, The steam engine 31 installed at the top of the rain chamber 6 and connected to the dry steam engine 32 is bent in an S-shape in the dry steam chamber 10 so that the dry steam collecting pipe 10 " Installed in the upper end of the combustion chamber (8) and extended horizontally to protrude and open the tip ejection outlet (10 "") outward, and the heat collected in the dry steam chamber (10) is exhaust pipe (34). The outer end of the dust collector 35 is communicated with the rear wall of the dust collector 35, the exhaust pipe 36 is installed in the center of the dust collector 35, the lower end of the deeply extended opening and the blower 37 of the blower 37 of the dust collector 35 The tip 37 "which inclines to the lower end and curves upward is made to approach the lower end of the exhaust pipe 36, and lime is provided as a lime inlet 37" 'in the blower pipe 37'. A desulfurization device (38) which draws the lower salt into the lower center of the exhaust pipe (36) by installing the burner (39) in front of the exhaust pipe (36), and the upper end of the exhaust pipe (36) Bent through the electrostatic precipitator 40 and the heavy metal filtration device 41 at the lower portion of the lower portion 36 'extended downward to communicate with the first plumb vertical pipe 42, the lower portion from the top of the dust collector 35 The exhaust pipe 36 reaching 36 'was encased in a water jacket 36 "to allow the water to circulate in the cooling water from the lower inlet 36" "to the upper drain 36"'.

An upper end of the first plumb vertical pipe 42 communicates with an upper end of the second plumb vertical pipe 43, and a lower end thereof communicates with a lower end of the third plumb vertical pipe 44. Discharge pipe 45 was installed at the upper end, and the lime water pressure pipes branched into three strands from the high pressure pump 46 at the upper end thereof were respectively inserted into the upper ends of the vertical pipes 42, 43 and 44, respectively. The nozzles 47, 47 'and 47' are installed and the top of the vertical plumbing pipes are sealed to spray lime water (aqueous solution of lime) from the injection holes on the upper side of the vertical plumbing pipes. The lower part was submerged slightly in water, and the water from the injection port flowed into the drain port 48, and a water tank 49 injecting water was installed so that the calcium absorber 50 was allowed to settle therein. It is installed.

[B. Action]

In the boiler of the present invention, the rackets 2, 2 'and the hydraulic cylinder 4', 4 'are installed on the lower surface of the frame, and the water pipes and the corollas between the chambers 5, 6 are disposed to be long. This is almost conveyed, and the exhaust heat is small to increase the thermal efficiency, and during operation, the powder of coal dropped from the coal drop passage 26 falls in front and the thicker mass is accelerated and dropped in the back so that they are reduced. When it falls on the inclined surface made of refractory bricks (15), it floats on the compressed air injected from the plurality of ventilation holes (16) and is suspended in the upper layer of the combustion chamber (8). Is fierce and the exothermic action is strong, and because the buoyancy of the air injected upward from the lower side and the high pressure of the compressed air, the flame passes at high speed into the corolla (9), so that strong frictional heat in the corolla is generated, thereby heating the corolla strongly. So Since a high heat is rapidly applied to the water laid in a small amount in the water pipe (7) enclosing the water, an intense vaporization action occurs in the explosive submerged water, the high pressure steam is collected in the steam tank (31) to dry steam engine (32) In the process of passing, the high-pressure dry steam, which is dried again in the dry steam chamber (10), gathers in the steam collection pipe (10 ") and passes through a fiery flame on the upper side of the rear combustion chamber (8) to the steam transfer pipe (10" '), It acts to operate the turbine forcefully through the steam discharge pipe (10 "). Steam generated in this process is compressed in the steam tank 31 and the hot water is circulated to the left water chamber (5) through the hot water circulation pipe (5 ') 5 "(7') (7").

In this way, the hot water circulates from the high temperature to the low temperature side, and the U-shaped water pipes 11 also function in an excellent way to enhance the steaming function of the boiler of the present invention in addition to the steaming action.

The unburned residue collected in the dry steam chamber 10 is recovered in the combustion chamber 8 by the remnant recovery pipe 10 'and reburned, and the heat of heat enters the dust collector 35 through the exhaust pipe 34, The exhaust cylinder 36 is wrapped and turned down to be discharged to the lower opening thereof. The blower 37 blows the lime powder from the blower pipe 37 'to the lower end of the exhaust pipe 36, and simultaneously burns the flame of the burner 39. The powder, carbon monoxide and sulfur powders are incinerated at a high temperature so that carbon monoxide is converted into carbon dioxide and sulfurous acid is purified to cause a predetermined reaction, which indicates the strong desulfurization of the desulfurization apparatus 38, and the desulfurized gas is exhausted. In the process of passing through the electrostatic precipitator 40 and the heavy metal filtration device 41 through the 36, the particulates of the carbonaceous material, the heavy metal, etc. are removed, and the solid vertical pipes 42, 43, 44 pass through the letter S. In the process, lime water was baptized and carbon dioxide was dissolved in water at the proper mixing and in the temperature to become carbonate ions and calcium ions combined with calcium ions.

The gas body discharged in this way is that the action of the gas absorber 50 to discharge the pollution-free gas is remarkable. That is, in the combustion process, the combustion pipe is passed through the water pipe (7) to the complete combustion conditions and becomes a double pipe to prevent the vapor pressure, lift the vaporization function and satisfactory desulfurization device 38, gas It is a coal boiler which completely absorbs toxic and harmful gas in the absorber 50.

[Effects of the Invention]

Since the water pipe and the corolla between the left and right hand chambers are double pipes to form double pipes, as shown in Figs. 2 and 3, the pressure is small and the hydraulic device can be rotated from side to side. By increasing the length of the pipes and the convection, the convection action is further increased to generate strong suction force, which causes strong friction when the flame passes through the pipe at high speed, thereby increasing the thermal efficiency and improving the vaporization function, thereby saving coal consumption and vaporizing time. It has the effect of improving the work efficiency by shortening, has the effect of reducing the sulfur dioxide gas by the action of the desulfurization device (38), the effect of environmental purification in a revolutionary way that carbon dioxide becomes calcium carbonate by the gas absorption device (50) Inexpensive coal recently neglected in pollution relations as a valuable fuel in that it is effective to bring There is one effective way to discover the re-emergence as a yeokgun.

Claims (3)

Water chambers (5) and (6) are provided at the left and right ends of the body (1), and the left ends of the plurality of water pipes (7) are closely communicated with the left hand chamber (5), respectively, and their right ends are connected to the superior chamber (6). The corollas 9 opened in the left combustion chamber 8 of the left hand chamber passed through the left hand chamber 5 fruit pipe and again through the rain chamber 6 and opened in the right dry chamber 10 of the left chamber. In addition, the exhaust pipe 34 at the bottom of the dry steam chamber 10 communicates with the dust collector 35, and a steam tank 31 is installed at the upper end of the rain chamber and the dry steam engine 32 connected thereto is connected to the dry steam chamber 10 in the dry steam chamber 10. Is bent through the S-shape and connected to the steam collection pipe 10 " at the bottom thereof, and the steam transport pipe 10 " outwards and enters the upper layer of the combustion chamber 8, and passes through the flame. A pollution-free coal boiler characterized in that the turbine is operated by pulling outward. The exhaust pipe (34) according to claim 1, wherein the exhaust pipe (34) communicates with the inner surface of the rear wall of the dust collector (35), and the exhaust pipe (36) extends downward downwardly to the center of the dust collector, and the blower pipe (37 ') of the blower (37) is the lower side of the dust collector. The tip 37 ″ bent upward to face the lower end of the exhaust pipe 36, and a lime inlet 37 ′ is installed at the blower pipe 37 ′, and the pipe of the burner 39 is blown into the blower pipe 37. Pollution-free coal boiler, characterized in that the desulfurization device 38 is installed by passing through the ') and facing the lower end of the exhaust pipe 36 and the nozzle 39'. According to claim 1, wherein the exhaust pipe 36 is bent at the upper end of the dust collector 35 to install a water jacket (36 ″) to the lower portion (36 '), the water cooling device at the lower end of the first vertical pipe ( 42 is connected to the lower end, the upper end is connected to the upper end of the second plumb vertical pipe 43, the lower end is connected to the lower end of the third plumb vertical pipe 44, and the discharge pipe 45 at the upper end thereof. Three pipes sprayed from the high pressure pump 46 at the upper end thereof were inserted into the upper ends of the vertical plumbing pipes, respectively, to inject lime water into the injection holes 47, 47 ', 47', 47 ', Pollution-free coal boiler, characterized in that configured by installing a gas absorber 50 configured to slightly open the lower end of the vertical plumb pipe in the water tank (49).

Images