CN110848655A - Energy-concerving and environment-protective type power boiler - Google Patents

Energy-concerving and environment-protective type power boiler Download PDF

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Publication number
CN110848655A
CN110848655A CN201810946635.9A CN201810946635A CN110848655A CN 110848655 A CN110848655 A CN 110848655A CN 201810946635 A CN201810946635 A CN 201810946635A CN 110848655 A CN110848655 A CN 110848655A
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China
Prior art keywords
water
tank
pipe
boiler
energy
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CN201810946635.9A
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Chinese (zh)
Inventor
丁启航
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Individual
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Individual
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Priority to CN201810946635.9A priority Critical patent/CN110848655A/en
Publication of CN110848655A publication Critical patent/CN110848655A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to the technical field of boilers, in particular to an energy-saving and environment-friendly power plant boiler which comprises a boiler body, wherein a water storage bin is arranged in the boiler body, a combustion bin is arranged below the water storage bin, a water supplementing tank is arranged on one side of the boiler body, an air blower is arranged on the other side of the boiler body, a U-shaped heat exchange tube is arranged in the water supplementing tank, a flue gas treatment tank is arranged on one side of the water supplementing tank, and a primary absorption treatment chamber and a secondary absorption treatment chamber are arranged in the flue gas treatment tank; the smoke dust in the smoke can be subjected to primary absorption treatment through the primary absorption treatment chamber, the acid gas in the smoke can be subjected to absorption treatment through the soda lime absorption box, and the toxic and harmful gas in the smoke can be subjected to absorption treatment through the activated carbon absorption box, so that the smoke can be discharged after being purified, and the environment pollution is avoided.

Description

Energy-concerving and environment-protective type power boiler
Technical Field
The invention relates to the technical field of boilers, in particular to an energy-saving and environment-friendly power plant boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy in fuel, electric energy and the like, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The hot water or steam produced in the boiler can directly provide heat energy for industrial production and people life, steam produced in the boiler can be converted into mechanical energy through the steam power device in a power plant, and then the mechanical energy is converted into electric energy through the generator, so that power generation is realized.
The existing power plant boiler generally adopts coal or garbage and the like as fuels, the coal or garbage and the like can generate a large amount of smoke when burning, the smoke has a large amount of heat, and the smoke also contains dust, carbon monoxide, sulfur dioxide, oxynitride and other toxic and harmful gases, and a power plant generally directly discharges the smoke, so that the energy consumption is greatly increased, and the environment is greatly polluted. In view of this, we propose an energy-saving and environment-friendly power plant boiler.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly power plant boiler, which aims to solve the problems that the existing power plant boiler in the background art generally directly discharges flue gas generated by fuel combustion, so that the energy consumption is greatly increased, and the environment is greatly polluted.
In order to achieve the purpose, the invention provides the following technical scheme:
an energy-saving environment-friendly power plant boiler comprises a boiler body, wherein a water storage bin is arranged in the boiler body, a combustion bin is arranged below the water storage bin, a first partition plate is arranged between the combustion bin and the water storage bin, a first heat insulation layer is arranged between the inner wall and the outer wall of the boiler body, a steam outlet is formed in the boiler body, a water replenishing tank is arranged on one side of the boiler body, and an air blower is arranged on the other side of the boiler body;
the water replenishing tank is internally provided with a U-shaped heat exchange tube, a second heat insulation layer is arranged between the inner wall and the outer wall of the water replenishing tank, the water replenishing tank is provided with a second water pump, and one side of the water replenishing tank is provided with a flue gas treatment tank;
the flue gas treatment incasement is equipped with the one-level and absorbs the process chamber, one side that the one-level absorbs the process chamber is equipped with the second grade and adsorbs the process chamber, be equipped with the second baffle between one-level absorption process chamber and the second grade absorption process chamber, be equipped with first water pump in the one-level absorption process chamber, the top of first water pump is equipped with watering device, be equipped with soda lime adsorption tank in the second grade absorption process chamber, the below of soda lime adsorption tank is equipped with the active carbon adsorption case.
Preferably, a second air pipe is connected between the air outlet end of the air blower and the combustion bin, a second air pipe is further connected between the combustion bin and the air inlet end of the U-shaped heat exchange pipe, and a second air pipe is further connected between the air outlet end of the U-shaped heat exchange pipe and the primary absorption treatment chamber.
Preferably, a second water pipe is connected between the water outlet end of the second water pump and the water storage bin, the water inlet end of the second water pump is further connected with the second water pipe, and the second water pipe penetrates through the top of the water replenishing tank (2) and extends into the water replenishing tank.
Preferably, the sprinkler includes the watering case, the bottom symmetry of watering case is equipped with the watering pipe, the bottom of watering pipe is equipped with the watering head, the bottom of watering head is even has seted up a plurality of watering holes.
Preferably, a first air pipe is connected between the soda lime adsorption tank and the activated carbon adsorption tank, a first air pipe is further arranged at the top of the soda lime adsorption tank, an air outlet end of the first air pipe penetrates through the top of the soda lime adsorption tank and is communicated with the soda lime adsorption tank, a first air pipe is further arranged at the bottom of the activated carbon adsorption tank, and an air inlet end of the first air pipe penetrates through the bottom of the activated carbon adsorption tank and is communicated with the activated carbon adsorption tank.
Preferably, a first water pipe is connected between the water outlet end of the first water pump and the water sprinkling tank, and the water outlet end of the first water pipe penetrates through the side wall of the water sprinkling tank and is communicated with the side wall of the water sprinkling tank.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the flue gas can exchange heat with water in the water replenishing tank through the pipe wall of the U-shaped heat exchange pipe and preheat the water in the water replenishing tank, thereby greatly saving energy consumption;
2. in the invention, the primary absorption treatment chamber can perform primary absorption treatment on smoke dust in the smoke, the soda lime adsorption box can perform adsorption treatment on acid gas in the smoke, and the activated carbon adsorption box can perform adsorption treatment on toxic and harmful gas in the smoke, so that the smoke can be purified and discharged, thereby avoiding pollution to the environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the flue gas treatment box of the present invention;
fig. 3 is a schematic view of the structure of the sprinkler of the present invention.
In the figure: 1. a boiler body; 11. a water storage bin; 12. a combustion chamber; 13. a first separator; 14. a first insulating layer; 15. a steam outlet; 2. a water replenishing tank; 21. a second thermal insulation layer; 3. a flue gas treatment box; 31. a primary absorption treatment chamber; 32. a secondary adsorption treatment chamber; 33. a watering device; 331. a water sprinkling tank; 332. a sprinkler pipe; 333. a sprinkler head; 334. a water sprinkling hole; 34. a soda lime adsorption tank; 35. an activated carbon adsorption tank; 36. a first water pipe; 37. a first air pipe; 38. a second separator; 39. a first water pump; 4. a blower; 5. a second water pump; 6. a U-shaped heat exchange tube; 7. a second air pipe; 8. a second water pipe.
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, the present invention provides a technical solution:
as shown in figure 1, an energy-concerving and environment-protective type power plant boiler, including boiler body 1, be equipped with retaining storehouse 11 in the boiler body 1, the below in retaining storehouse 11 is equipped with burning storehouse 12, be equipped with first baffle 13 between burning storehouse 12 and the retaining storehouse 11, be equipped with first insulating layer 14 between the inside and outside wall of boiler body 1, be equipped with steam outlet 15 on the boiler body 1, one side of boiler body 1 is equipped with moisturizing case 2, the opposite side of boiler body 1 is equipped with air-blower 4, be connected with second trachea 7 between the end of giving vent to anger of air-blower 4 and burning storehouse 12.
In this embodiment, the first thermal insulation layer 14 is filled with glass fibers, and the glass fibers have flame retardant, corrosion resistant, and thermal insulation properties, so that the first thermal insulation layer 14 has good thermal insulation effect.
In this embodiment, the second gas pipe 7 is made of 15CrMo pearlite steel, which has high thermal strength, oxidation resistance and corrosion resistance at high temperature, and is suitable for transporting flue gas generated by fuel combustion in the combustion chamber 12.
In the embodiment, the blower 4 is an industrial blower of CZR-LY90 type, the maximum wind pressure of the blower is 2.2kPa, and the maximum wind volume is 22m3The maximum power is 950W, and the method is suitable for the boiler.
As shown in figure 1, a U-shaped heat exchange tube 6 is arranged in a water replenishing tank 2, a second air tube 7 is further connected between the air inlet end of a combustion chamber 12 and the air inlet end of the U-shaped heat exchange tube 6, a second heat insulation layer 21 is arranged between the inner wall and the outer wall of the water replenishing tank 2, a second water pump 5 is arranged on the water replenishing tank 2, a second water tube 8 is connected between the water outlet end of the second water pump 5 and a water storage chamber 11, the water inlet end of the second water pump 5 is further connected with a second water tube 8, the second water tube 8 penetrates through the top of the water replenishing tank 2 and extends into the water replenishing tank, and a flue gas treatment tank.
In this embodiment, the U-shaped heat exchange tube 6 is made of PTFE material, and the PTFE material has the characteristics of high temperature resistance, corrosion resistance, good thermal conductivity and the like, and is suitable for heat exchange between flue gas and water.
In this embodiment, the second water pipe 8 is made of a PP material, and the PP material has the characteristics of good heat resistance, corrosion resistance, low moisture absorption, and the like, and is suitable for manufacturing the second water pipe 8.
As shown in fig. 2, a first-stage absorption treatment chamber 31 is arranged in the flue gas treatment tank 3, a second gas pipe 7 is further connected between the gas outlet end of the U-shaped heat exchange pipe 6 and the first-stage absorption treatment chamber 31, a second-stage absorption treatment chamber 32 is arranged on one side of the first-stage absorption treatment chamber 31, a second partition 38 is arranged between the first-stage absorption treatment chamber 31 and the second-stage absorption treatment chamber 32, a first water pump 39 is arranged in the first-stage absorption treatment chamber 31, a water sprinkling device 33 is arranged above the first water pump 39, a soda lime adsorption tank 34 is arranged in the second-stage absorption treatment chamber 32, and an activated carbon adsorption tank 35 is arranged below the soda lime adsorption.
In this embodiment, the soda lime adsorption tank 34 is filled with soda lime, and the main components of the soda lime are calcium hydroxide, sodium hydroxide and potassium hydroxide, which can adsorb acid gas in the flue gas.
In this embodiment, activated carbon is filled in the activated carbon adsorption box 35, and the activated carbon can adsorb toxic and harmful gases in the flue gas.
As shown in fig. 2, a first air pipe 37 is connected between the soda lime adsorption tank 34 and the activated carbon adsorption tank 35, the top of the soda lime adsorption tank 34 is further provided with the first air pipe 37, an air outlet end of the first air pipe 37 penetrates through the top of the soda lime adsorption tank 34 and is communicated with the same, the bottom of the activated carbon adsorption tank 35 is further provided with the first air pipe 37, and an air inlet end of the first air pipe 37 penetrates through the bottom of the activated carbon adsorption tank 35 and is communicated with the same.
In this embodiment, the first air tube 37 is made of a PVC material, which has extremely strong corrosion resistance, good chemical stability and easy molding, and is suitable for manufacturing the first air tube 37.
As shown in fig. 3, the water spraying device 33 includes a water spraying tank 331, the bottom of the water spraying tank 331 is symmetrically provided with water spraying pipes 332, the bottom end of the water spraying pipe 332 is provided with a water spraying head 333, the bottom of the water spraying head 333 is uniformly provided with a plurality of water spraying holes 334, a first water pipe 36 is connected between the water outlet end of the first water pump 39 and the water spraying tank 331, and the water outlet end of the first water pipe 36 penetrates through the side wall of the water spraying tank 331 and is communicated with the same.
In this embodiment, the first water pipe 36 is made of a PP material, and the PP material has the characteristics of good heat resistance, corrosion resistance, low moisture absorption, and the like, and is suitable for manufacturing the PP material.
In this embodiment, the diameter of the water spraying holes 334 is 0.2mm, and the water sprayed from the water spraying holes 334 with a diameter of 0.2mm is of a proper amount, so as to better absorb the smoke dust in the flue gas.
In this embodiment, the sprinkling tank 331 is fixed on the inner wall of the top of the flue gas treatment tank 3 through bolts, so that the sprinkling device 33 can be stably fixed in the flue gas treatment tank 3, and is convenient to detach.
When the energy-saving and environment-friendly power plant boiler of the embodiment is used, the second water pump 5 is powered on, the second water pump 5 starts to work, water in the water replenishing tank 2 is injected into the water storage bin 11 through the second water pipe 8, then fuel is put into the combustion bin 12 and ignited, the fuel starts to combust and heats the water storage bin 11, the first heat insulation layer 14 can reduce the loss of heat in the boiler body 1, steam generated in the water storage bin 11 is discharged from the steam outlet 15, a large amount of flue gas can be generated in the water storage bin 11 at the moment, then the blower 4 is powered on, the blower 4 starts to work, the flue gas in the combustion bin 12 is pumped into the U-shaped heat exchange pipe 6 through the second air pipe 7, the flue gas generates heat exchange with the water in the water replenishing tank 2 through the pipe wall of the U-shaped heat exchange pipe 6, so as to preheat the water in the water replenishing tank 2, the second heat insulation layer 21 can reduce the loss of heat in the water replenishing tank 2, meanwhile, the first water pump 39 is powered on, the first water pump 39 starts to work, water in the primary absorption treatment chamber 31 is pumped into the sprinkling tank 331 through the first water pipe 36, then enters the sprinkling head 333 through the sprinkling pipe, is sprinkled by the sprinkling holes 334 and absorbs smoke dust in the smoke, the smoke after the primary absorption treatment enters the soda lime absorption tank 34 through the first air pipe 37, acid gas in the smoke can be absorbed by the soda lime in the soda lime absorption tank, then the smoke enters the activated carbon absorption tank 35 through the first air pipe 37, toxic and harmful gas in the smoke can be absorbed by the activated carbon in the activated carbon absorption tank, and finally the smoke after the two-stage treatment is discharged through the first air pipe 37.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an energy-concerving and environment-protective type power boiler, includes boiler body (1), its characterized in that: a water storage bin (11) is arranged in the boiler body (1), a combustion bin (12) is arranged below the water storage bin (11), a first partition plate (13) is arranged between the combustion bin (12) and the water storage bin (11), a first heat insulation layer (14) is arranged between the inner wall and the outer wall of the boiler body (1), a steam outlet (15) is formed in the boiler body (1), a water replenishing tank (2) is arranged on one side of the boiler body (1), and an air blower (4) is arranged on the other side of the boiler body (1);
a U-shaped heat exchange tube (6) is arranged in the water replenishing tank (2), a second heat insulation layer (21) is arranged between the inner wall and the outer wall of the water replenishing tank (2), a second water pump (5) is arranged on the water replenishing tank (2), and a flue gas treatment tank (3) is arranged on one side of the water replenishing tank (2);
be equipped with one-level absorption process chamber (31) in flue gas processing box (3), one side that one-level absorption process chamber (31) is equipped with second grade absorption process chamber (32), one-level absorption process chamber (31) and second grade are equipped with second baffle (38) between absorption process chamber (32), be equipped with first water pump (39) in one-level absorption process chamber (31), the top of first water pump (39) is equipped with watering device (33), be equipped with soda lime adsorption tank (34) in second grade absorption process chamber (32), the below of soda lime adsorption tank (34) is equipped with activated carbon adsorption tank (35).
2. The energy-saving and environment-friendly power plant boiler of claim 1, characterized in that: the air outlet end of the air blower (4) is connected with a second air pipe (7) between the combustion bin (12), the combustion bin (12) is connected with a second air pipe (7) between the air inlet ends of the U-shaped heat exchange pipes (6), and the air outlet end of the U-shaped heat exchange pipes (6) is connected with a second air pipe (7) between the primary absorption treatment chambers (31).
3. The energy-saving and environment-friendly power plant boiler of claim 1, characterized in that: a second water pipe (8) is connected between the water outlet end of the second water pump (5) and the water storage bin (11), the water inlet end of the second water pump (5) is further connected with the second water pipe (8), and the second water pipe (8) penetrates through the top of the water replenishing tank (2) and extends into the water replenishing tank.
4. The energy-saving and environment-friendly power plant boiler of claim 1, characterized in that: watering device (33) are including watering case (331), the bottom symmetry of watering case (331) is equipped with watering pipe (332), the bottom of watering pipe (332) is equipped with watering head (333), even a plurality of watering holes (334) have been seted up in the bottom of watering head (333).
5. The energy-saving and environment-friendly power plant boiler of claim 1, characterized in that: be connected with first trachea (37) between soda lime adsorption tank (34) and active carbon adsorption tank (35), the top of soda lime adsorption tank (34) still is equipped with first trachea (37), the end of giving vent to anger of first trachea (37) runs through the top of soda lime adsorption tank (34) and communicates with each other with it, and the bottom of active carbon adsorption tank (35) still is equipped with first trachea (37), the inlet end of first trachea (37) runs through the bottom of active carbon adsorption tank (35) and communicates with each other with it.
6. The energy-saving and environment-friendly power plant boiler of claim 4, characterized in that: a first water pipe (36) is connected between the water outlet end of the first water pump (39) and the water sprinkling tank (331), and the water outlet end of the first water pipe (36) penetrates through the side wall of the water sprinkling tank (331) and is communicated with the water sprinkling tank.
CN201810946635.9A 2018-08-20 2018-08-20 Energy-concerving and environment-protective type power boiler Withdrawn CN110848655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810946635.9A CN110848655A (en) 2018-08-20 2018-08-20 Energy-concerving and environment-protective type power boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810946635.9A CN110848655A (en) 2018-08-20 2018-08-20 Energy-concerving and environment-protective type power boiler

Publications (1)

Publication Number Publication Date
CN110848655A true CN110848655A (en) 2020-02-28

Family

ID=69595070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810946635.9A Withdrawn CN110848655A (en) 2018-08-20 2018-08-20 Energy-concerving and environment-protective type power boiler

Country Status (1)

Country Link
CN (1) CN110848655A (en)

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Application publication date: 20200228