CN109357397B

CN109357397B - Efficient energy-saving environment-friendly coal-to-gas combustion boiler

Info

Publication number: CN109357397B
Application number: CN201811082103.1A
Authority: CN
Inventors: 付艳清
Original assignee: Changchun University of Science and Technology College of Optical and Electronical Information
Current assignee: Changchun University of Science and Technology College of Optical and Electronical Information
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2022-03-01
Anticipated expiration: 2038-09-17
Also published as: CN109357397A

Abstract

The invention relates to the technical field of energy-saving and environment-friendly equipment, and discloses a high-efficiency energy-saving and environment-friendly coal-to-gas combustion boiler which comprises a shell, wherein a smoke return chamber is fixedly arranged at the bottom of an inner cavity of the shell, the left side of the smoke return chamber is fixedly communicated with a combustion chamber, a gas burner is fixedly sleeved at the bottom of the left side of the shell, the output end of the gas burner penetrates through the shell and extends into the combustion chamber, the outer surface of the gas burner is fixedly connected with the inner walls of the shell and the combustion chamber respectively, front smoke boxes are fixedly arranged at the left side of the inner cavity of the shell, and the number of the front smoke boxes is two. Through the cooperation of leading tobacco pipe, back smoke box, discharging fume pipe and back smoke box and using, be favorable to burning the flue gas and discharge from the chimney, utilize the cooperation of discharging fume pipe and box for the flue gas is favorable to improving the thermal utilization ratio in the burning flue gas with the aquatic of unnecessary heat transfer to box inner chamber bottom, thereby improves the work efficiency of this boiler.

Description

Efficient energy-saving environment-friendly coal-to-gas combustion boiler

Technical Field

The invention relates to the technical field of energy-saving and environment-friendly equipment, in particular to a high-efficiency energy-saving and environment-friendly coal-to-gas combustion boiler.

Background

The boiler is an energy converter, it utilizes heat energy or other heat energy released by fuel combustion to heat working medium water or other fluid to a certain parameter, the boiler is divided into "pot" and "stove", the "pot" is a pressurized part for holding water and steam, heat, vaporize and steam-water separation to water, the "stove" is the place for fuel combustion or other heat energy release, there are combustion equipment, combustion furnace and heat release flue, etc., the two pots and stove carry on the heat conversion process, the interface of heat release and heat absorption is called the heated surface, the boiler heats water to steam, besides pot and stove also have auxiliary equipment such as framework, platform, staircase, combustion, slag tapping, flue, pipeline and furnace wall, etc.

Most burning boilers all adopt the mode of burning coal to work at present, can produce a large amount of sulfur dioxide during coal burning, aggravate environmental pollution, also have a few boilers to adopt the natural gas as the combustion energy, although pollute less, nevertheless, because structural design is reasonable inadequately, the heat utilization rate of burning is not high, and the holistic work efficiency of boiler is lower, for this reason, we propose a high-efficient energy-concerving and environment-protective coal changes gas burning boiler.

Disclosure of Invention

The invention provides an efficient energy-saving environment-friendly coal-to-gas combustion boiler, which has the advantages of reasonable design and high combustion heat utilization rate, and solves the problems that a large amount of sulfur dioxide is generated during coal combustion to aggravate environmental pollution, and a small number of boilers adopt natural gas as combustion energy, although pollution is less, the structural design is not reasonable enough, the combustion heat utilization rate is not high, and the overall working efficiency of the boiler is lower.

The invention provides the following technical scheme: a high-efficiency energy-saving environment-friendly coal-to-gas combustion boiler comprises a shell, wherein a smoke return chamber is fixedly installed at the bottom of an inner cavity of the shell, a combustion chamber is fixedly communicated with the left side of the smoke return chamber, a gas burner is fixedly sleeved at the left bottom of the shell, the output end of the gas burner penetrates through the shell and extends into the combustion chamber, the outer surface of the gas burner is fixedly connected with the inner walls of the shell and the combustion chamber respectively, two front smoke boxes are fixedly installed at the left side of the inner cavity of the shell, the number of the front smoke boxes is two, the two front smoke boxes are distributed above and below the gas burner respectively, the two front smoke boxes are communicated with each other through a guide pipe, a smoke guide pipe is fixedly communicated with the right side surface of each front smoke box, the other end of the smoke guide pipe is fixedly communicated with the inner part of the smoke return chamber, and a rear smoke box is fixedly installed at the right side of the inner cavity of the shell, the top end of the rear smoke box is fixedly communicated with a chimney, the other end of the chimney penetrates through and extends to the outside of the top end of the shell, the outer surface of the chimney is fixedly connected with the inner wall of the shell, the top of the combustion chamber is fixedly provided with a heat conducting block, the top of the heat conducting block is fixedly provided with a box body, the top end of one front smoke box is fixedly communicated with a smoke exhaust pipe, the other end of the smoke exhaust pipe penetrates through and extends to the right side of the box body and is fixedly communicated with the left side of the rear smoke box, the top of the left side surface of the shell is fixedly provided with a motor box, the inside of the motor box is fixedly provided with a motor, one end of an output shaft of the motor is fixedly sleeved with a transmission shaft, the other end of the transmission shaft penetrates through the motor box and extends to the inside of the shell and is fixedly sleeved with a shaft rod, and the other end of the shaft rod penetrates through and extends to the inside of the box body and is movably connected with the box wall of the box body, the water tank is arranged in the box body, the left end of the water tank is fixedly connected with the other end of the shaft lever, the right end of the water tank is fixedly provided with a supporting rod, the inner wall of the box body is fixedly provided with a stabilizing block positioned on the right side of the supporting rod, the other end of the supporting rod is movably sleeved with one side of the stabilizing block, the middle part of the stabilizing block is fixedly sleeved with a bearing, the middle part of the bearing is movably sleeved with a middle pipe, the left end of the middle pipe is positioned in the box body and is fixedly communicated with the right end of the water tank, one end of the middle pipe positioned outside the box body is movably sleeved with a rotary joint, the rotary joints are two and are respectively and fixedly communicated with a water inlet pipe and a water outlet pipe, the other ends of the water inlet pipe and the water outlet pipe penetrate through and extend to the outside of the shell body and are fixedly connected with the inner wall of the shell body, the top of the shell body is fixedly provided with a vacuum suction pump, the output end of the vacuum suction pump is fixedly communicated with a suction pipe, and the other end of the suction pipe penetrates through the shell and extends into the shell and is fixedly communicated with the top of the box body.

Preferably, the bottom of the left side of the shell is provided with a sleeve groove matched with the output end of the gas burner, and the inner wall of the sleeve groove is fixedly connected with the outer surface of the output end of the gas burner.

Preferably, the left side of the box body is fixedly communicated with a water supply pipe positioned below the motor-driven box, and the other end of the water supply pipe penetrates through the left side of the shell, extends to the outside of the shell and is fixedly connected with the inside of the shell.

Preferably, the top of the inner cavity of the housing is fixedly provided with a hanging plate positioned on the left side of the housing, a through hole matched with the shaft lever and the water supply pipe is formed in the hanging plate, the outer surface of the shaft lever is movably connected with the inner wall of the through hole, and the outer surface of the water supply pipe is fixedly connected with the inner wall of the through hole.

Preferably, the inner side surface of the stabilizing block is provided with a sliding chute, the sliding chute is annular, sliding blocks are movably sleeved in the sliding chute, and the number of the sliding blocks is two.

Preferably, the number of the support rods is two, the two support rods correspond to the two sliding blocks one by one, and the two support rods are symmetrical by taking the center of the water tank as a center.

Preferably, the other end of the supporting rod extends to the inside of the sliding groove and is fixedly connected with the outer surface of the sliding block, and the outer surface of the supporting rod is movably connected with the inner wall of the sliding groove.

Preferably, the right side of smoke returning chamber is transparent fire prevention glass and fixed mounting has an observation section of thick bamboo, the other end of observing a section of thick bamboo runs through and extends to the outside of casing and with the inner wall fixed connection of casing.

Preferably, the observation tube is fixedly sleeved in the observation tube, and the other end of the observation tube extends to the outside of the observation tube.

The invention has the following beneficial effects:

1. this energy-efficient environmental protection coal changes gas combustion boiler uses through the cooperation of leading tobacco pipe, back smoke box, discharging fume pipe and back smoke box, is favorable to the burning flue gas to discharge from the chimney, utilizes the cooperation of discharging fume pipe and box for the flue gas is with unnecessary heat transfer to the aquatic of box inner chamber bottom, is favorable to improving thermal utilization ratio in the burning flue gas, thereby improves the work efficiency of this boiler.

2. This energy-efficient environmental protection coal changes gas combustion boiler, through the contact of heat conduction piece box for the heat of combustion chamber is favorable to thermal quick transmission through the leading-in box inside aquatic of heat conduction piece, thereby improves work efficiency, and the rethread motor drives the transmission shaft and rotates, makes the axostylus axostyle drive the water tank rotatory, realizes carrying out the even heating to the water of water tank inside, is favorable to improving the heating efficiency of this boiler.

3. This energy-efficient environmental protection coal changes gas combustion boiler drives the slider through the bracing piece and is circular motion along the spout, and the rotation of the water tank of being convenient for is favorable to improving the operating stability of water tank to improve the heating efficiency of this boiler to water, rethread bearing cup joints with the activity of intervalve, is favorable to the normal rotation of water tank, utilizes rotary joint to cup joint with the activity of intervalve, is convenient for intake and go out water, thereby improves the use convenience of this boiler.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

fig. 3 is a schematic side view of the stabilization block of the present invention.

In the figure: 1. a housing; 2. a smoke return chamber; 3. a combustion chamber; 4. a gas burner; 5. sleeving a groove; 6. a front smoke box; 7. a smoke guide pipe; 8. a rear smoke box; 9. a chimney; 10. a smoke exhaust pipe; 11. a heat conducting block; 12. a box body; 13. a motorized case; 14. a motor; 15. a drive shaft; 16. a shaft lever; 17. a water tank; 18. a support bar; 19. a stabilizing block; 20. a water supply pipe; 21. a hanger plate; 22. a bearing; 23. an intermediate pipe; 24. a rotary joint; 25. a water inlet pipe; 26. a drain pipe; 27. a vacuum suction pump; 28. a suction tube; 29. a chute; 30. a slider; 31. an observation cylinder; 32. and (4) observing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a high-efficiency energy-saving environment-friendly coal-to-gas combustion boiler comprises a casing 1, a smoke return chamber 2 is fixedly installed at the bottom of an inner cavity of the casing 1, an observation tube 31 is fixedly installed at the right side of the smoke return chamber 2, the other end of the observation tube 31 penetrates through and extends to the outside of the casing 1 and is fixedly connected with the inner wall of the casing 1, an observation tube 32 is fixedly sleeved inside the observation tube 31, the other end of the observation tube 32 extends to the outside of the observation tube 31, a combustion chamber 3 is fixedly communicated with the left side of the smoke return chamber 2, a gas burner 4 is fixedly sleeved at the bottom of the left side of the casing 1, an output end of the gas burner 4 penetrates through the casing 1 and extends to the inside of the combustion chamber 2, the outer surface of the gas burner 4 is fixedly connected with the inner walls of the casing 1 and the combustion chamber 3 respectively, a sleeve groove 5 matched with the output end of the gas burner 4 is formed at the bottom of the left side of the casing 1, the inner wall of the sleeve groove 5 is fixedly connected with the outer surface of the output end of the gas burner 4, the left side of the inner cavity of the shell 1 is fixedly provided with two front smoke boxes 6, the two front smoke boxes 6 are respectively distributed above and below the gas burner 4, the two front smoke boxes 6 are mutually communicated through a guide pipe, the right side surface of each front smoke box 6 is fixedly communicated with a smoke guide pipe 7, the other end of each smoke guide pipe 7 is fixedly communicated with the inside of the smoke return chamber 2, the right side of the inner cavity of the shell 1 is fixedly provided with a rear smoke box 8, the top end of the rear smoke box 8 is fixedly communicated with a chimney 9, the other end of the chimney 9 penetrates through and extends to the outside of the top end of the shell 1, the outer surface of the chimney 9 is fixedly connected with the inner wall of the shell 1, the top of the combustion chamber 3 is fixedly provided with a heat conducting block 11, the top of the heat conducting block 11 is fixedly provided with a box body 12, and the heat of the combustion chamber 3 is guided into the water inside the box body 12 through the heat conducting block 11, the left side of the box body 12 is fixedly communicated with a water supply pipe 20 positioned below the motor-driven box 13, the other end of the water supply pipe 20 penetrates through and extends to the outside of the left side of the shell 1 and is fixedly connected with the inside of the shell 1, the top of the inner cavity of the shell 1 is fixedly provided with a hanging plate 21 positioned at the left side of the box body 12, the inside of the hanging plate 21 is provided with a through hole matched with the shaft lever 16 and the water supply pipe 20, the outer surface of the shaft lever 16 is movably connected with the inner wall of the through hole, the outer surface of the water supply pipe 20 is fixedly connected with the inner wall of the through hole, the top end of a front smoke box 6 is fixedly communicated with a smoke exhaust pipe 10, the other end of the smoke exhaust pipe 10 penetrates through and extends to the right side of the box body 12 and is fixedly communicated with the left side of a rear smoke box 8, and combustion smoke is discharged from a chimney 9 through the matching use of the smoke guide pipe 7, the rear smoke box 8, the smoke exhaust pipe 10 and the rear smoke box 8, the cooperation of the smoke exhaust pipe 10 and the box body 12 is utilized to enable the smoke to transmit redundant heat to the water at the bottom of the inner cavity of the box body 12, which is beneficial to improving the utilization rate of heat in the burning smoke, thereby improving the working efficiency of the boiler, the top of the left side surface of the shell 1 is fixedly provided with the motor-driven box 13, the inside of the motor-driven box 13 is fixedly provided with the motor 14, one end of the output shaft of the motor 14 is fixedly sleeved with the transmission shaft 15, the other end of the transmission shaft 15 penetrates through the motor-driven box 13 and extends to the inside of the shell 1 and is fixedly sleeved with the shaft rod 16, the other end of the shaft rod 16 penetrates through and extends to the inside of the box body 12 and is movably connected with the box wall of the box body 12, the inside of the box body 12 is provided with the water tank 17, the left end of the water tank 17 is fixedly connected with the other end of the shaft rod 16, the transmission shaft rod 15 is driven to rotate by the motor 14, so that the shaft rod 16 drives the water tank 17 to rotate, and the water inside the water tank 17 is uniformly heated, the heating efficiency of the boiler is improved, a support rod 18 is fixedly arranged at the right end of the water tank 17, a stabilizing block 19 positioned at the right side of the support rod 18 is fixedly arranged on the inner wall of the box body 12, the other end of the support rod 18 is movably sleeved with one side of the stabilizing block 19, a sliding groove 29 is formed in the inner side surface of the stabilizing block 19, the sliding groove 29 is annular, a sliding block 30 is movably sleeved in the sliding groove 29, two sliding blocks 30 are arranged, the number of the support rods 18 is two, the two support rods 18 correspond to the two sliding blocks 30 one by one, the two support rods 18 are symmetrical about the center of the water tank 17, the other end of each support rod 18 extends into the sliding groove 29 and is fixedly connected with the outer surface of the sliding block 30, the outer surface of each support rod 18 is movably connected with the inner wall of the sliding groove 29, the sliding block 30 is driven by the support rod 18 to do circular motion along the sliding groove 29, the rotation of the water tank 17 is convenient, and the operation stability of the water tank 17 is improved, thereby improving the water heating efficiency of the boiler, a bearing 22 is fixedly sleeved in the middle of the stabilizing block 19, a middle pipe 23 is movably sleeved in the middle of the bearing 22, the left end of the middle pipe 23 is positioned in the box body 12 and is fixedly communicated with the right end of the water tank 17, a rotary joint 24 is movably sleeved at one end of the middle pipe 23 positioned outside the box body 12, one side of the left end of the rotary joint 24, which is contacted with the middle pipe 23, is annularly and movably sleeved, two rotary joints 24 are respectively and fixedly communicated with a water inlet pipe 25 and a water outlet pipe 26, the other ends of the water inlet pipe 25 and the water outlet pipe 26 penetrate through and extend to the outside of the shell 1 and are fixedly connected with the inner wall of the shell 1, the normal rotation of the water tank 17 is facilitated by the sleeve connection of the bearing 22 and the middle pipe 23, the water inlet and the water outlet are facilitated by the movable sleeve connection of the rotary joint 24 and the middle pipe 23, thereby improving the convenience in use of the boiler, a vacuum suction pump 27 is fixedly mounted on the top of the housing 1, an output end of the vacuum suction pump 27 is fixedly communicated with a suction pipe 28, and the other end of the suction pipe 28 penetrates through and extends into the housing 1 and is fixedly communicated with the top of the box body 12.

The working principle is as follows: the gas burner 4 is started, the gas is burnt in the combustion chamber 3, the burning heat is transferred to the water in the box body 12 through the heat conduction block 11, the water is heated, meanwhile, the burning smoke enters the rear smoke box 8 through the smoke return chamber 2, the smoke guide pipe 7, the front smoke box 6 and the smoke exhaust pipe 10 and is exhausted through the chimney 9, the smoke exhaust pipe 10 transmits the residual heat of the smoke to the water in the box body 12, the water is heated and gasified, the water tank 17 is heated by the steam, the motor 14 is started, the transmission shaft 15 drives the shaft lever 16 and the water tank 17 to rotate, the water tank 17 drives the support rod 18 and the slide block 30 to do circular motion along the sliding groove 29, meanwhile, the water tank 17 drives the middle pipe 23 to rotate along the bearing 22, the other end of the middle pipe 23 rotates along the left end of the rotary joint 24 to perform rotary heating, and the vacuum suction pump 27 extracts redundant gas in the box body 12 to complete heating.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient energy-concerving and environment-protective coal changes gas combustion boiler, includes casing (1), its characterized in that: the bottom of the inner cavity of the shell (1) is fixedly provided with a smoke returning chamber (2), the left side of the smoke returning chamber (2) is fixedly communicated with a combustion chamber (3), the left bottom of the shell (1) is fixedly sleeved with a gas burner (4), the output end of the gas burner (4) penetrates through the shell (1) and extends to the interior of the combustion chamber (3), the outer surface of the gas burner (4) is fixedly connected with the inner walls of the shell (1) and the combustion chamber (3) respectively, the left side of the inner cavity of the shell (1) is fixedly provided with a front smoke box (6), the number of the front smoke boxes (6) is two, the two front smoke boxes (6) are distributed above and below the gas burner (4) respectively, the two front smoke boxes (6) are communicated with each other through a guide pipe, the right side face of each front smoke box (6) is fixedly communicated with a smoke guide pipe (7), the other end of the smoke guide pipe (7) is fixedly communicated with the inside of the smoke return chamber (2), a rear smoke box (8) is fixedly arranged on the right side of the inner cavity of the shell (1), a chimney (9) is fixedly communicated with the top end of the rear smoke box (8), the other end of the chimney (9) penetrates through and extends to the outside of the top end of the shell (1), the outer surface of the chimney (9) is fixedly connected with the inner wall of the shell (1), a heat conduction block (11) is fixedly arranged at the top of the combustion chamber (3), a box body (12) is fixedly arranged at the top of the heat conduction block (11), a smoke discharge pipe (10) is fixedly communicated with the top end of the front smoke box (6), the other end of the smoke discharge pipe (10) penetrates through and extends to the right side of the box body (12) and is fixedly communicated with the left side of the rear smoke box (8), a motor driven box (13) is fixedly arranged at the top of the left side surface of the shell (1), the motor-driven box is characterized in that a motor (14) is fixedly mounted inside the motor-driven box (13), one end of an output shaft of the motor (14) is fixedly sleeved with a transmission shaft (15), the other end of the transmission shaft (15) penetrates through the motor-driven box (13) and extends into the shell (1) and is fixedly sleeved with a shaft lever (16), the other end of the shaft lever (16) penetrates through the box body (12) and extends into the box body and is movably connected with the box wall of the box body (12), a water tank (17) is arranged inside the box body (12), the left end of the water tank (17) is fixedly connected with the other end of the shaft lever (16), a support rod (18) is fixedly mounted at the right end of the water tank (17), a stabilizing block (19) positioned on the right side of the support rod (18) is fixedly mounted on the inner wall of the box body (12), the other end of the support rod (18) is movably sleeved with one side of the stabilizing block (19), and a bearing (22) is fixedly sleeved in the middle of the stabilizing block (19), middle tube (23) is equipped with to the middle part activity cover of bearing (22), the left end of middle tube (23) is located the inside of box (12) and the fixed intercommunication of right-hand member with water tank (17), middle tube (23) are located the outside one end activity of box (12) and are cup jointed rotary joint (24), the quantity of rotary joint (24) is two and fixed intercommunication respectively has inlet tube (25) and drain pipe (26), the other end of inlet tube (25) and drain pipe (26) all runs through and extends to the outside of casing (1) and with the inner wall fixed connection of casing (1), the top fixed mounting of casing (1) has vacuum suction pump (27), the fixed intercommunication of output of vacuum suction pump (27) has suction tube (28), the other end of suction tube (28) runs through and extends to the inside of casing (1) and with the fixed intercommunication in top of box (12), the bottom of the left side of the shell (1) is provided with a sleeve groove (5) matched with the output end of the gas burner (4), the inner wall of the sleeve groove (5) is fixedly connected with the outer surface of the output end of the gas burner (4), the left side of the box body (12) is fixedly communicated with a water supply pipe (20) positioned below the motor-driven box (13), the other end of the water supply pipe (20) penetrates through and extends to the outer part of the left side of the shell (1) and is fixedly connected with the inner part of the shell (1), the top of the inner cavity of the shell (1) is fixedly provided with a hanging plate (21) positioned at the left side of the box body (12), the inner part of the hanging plate (21) is provided with a through hole matched with the shaft lever (16) and the water supply pipe (20), the outer surface of the shaft lever (16) is movably connected with the inner wall of the through hole, the outer surface of the water supply pipe (20) is fixedly connected with the inner wall of the through hole, the inner side surface of the stabilizing block (19) is provided with a sliding groove (29), the shape of spout (29) is the annular, and the inside movable sleeve of spout (29) is equipped with slider (30), the quantity of slider (30) is two, the quantity of bracing piece (18) be two and with two slider (30) one-to-ones, two the centre that bracing piece (18) used water tank (17) is the symmetry, the right side of smoke return chamber (2) is transparent fire prevention glass and fixed mounting has observation section of thick bamboo (31), the other end of observation section of thick bamboo (31) runs through and extends to the outside of casing (1) and with the inner wall fixed connection of casing (1).

2. The high-efficiency energy-saving environment-friendly coal-to-gas combustion boiler as claimed in claim 1, characterized in that: an observation tube (32) is fixedly sleeved in the observation tube (31), and the other end of the observation tube (32) extends to the outside of the observation tube (31).