CN113694634A - Industrial boiler power generation energy-saving device and method thereof - Google Patents
Industrial boiler power generation energy-saving device and method thereof Download PDFInfo
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- CN113694634A CN113694634A CN202110780260.5A CN202110780260A CN113694634A CN 113694634 A CN113694634 A CN 113694634A CN 202110780260 A CN202110780260 A CN 202110780260A CN 113694634 A CN113694634 A CN 113694634A
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- 238000010248 power generation Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000003546 flue gas Substances 0.000 claims abstract description 137
- 239000000428 dust Substances 0.000 claims abstract description 38
- 239000003513 alkali Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 5
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention relates to the technical field of boiler power generation, discloses an industrial boiler power generation energy-saving device and simultaneously discloses an implementation method of the industrial boiler power generation energy-saving device. The connecting pipe that both ends set up about preheating cylinder and preheating cylinder, set up hot flue gas treatment box on the outer wall of preheating cylinder one side, hot flue gas treatment box top air duct connection preheating cylinder lateral wall, air duct port department sets up the filter screen, the connecting pipe of upper and lower extreme connects reposition of redundant personnel house steward and the house steward that converges respectively on the preheating cylinder, evenly set up the heat transfer branch pipe between the two, evenly set up the slow flow piece between the collateral branch fagging lateral wall in its outside, boiler burning flue gas is through the leading-in hot flue gas treatment incasement of intake pipe, hot flue gas enters into in the alkali lye of preheating cylinder after filter screen filters, hot flue gas passes slow flow piece and alkali lye reaction in proper order and is handled, give the inside water of heat transfer branch pipe simultaneously and heat, retrieve flue gas heat energy and be used for preheating boiler water when the separation dust, accelerate the efficiency of its evaporation vapor.
Description
Technical Field
The invention relates to the technical field of boiler power generation, in particular to an energy-saving device and method for power generation of an industrial boiler.
Background
So-called utility boilers are, in popular terms, boilers used by power plants to generate electricity. The general capacity is larger, the current main unit is 600MW, the current advanced is a supercritical boiler, and the capacity can reach 1000 MW. Utility boilers mainly have two types: pulverized coal furnaces and circulating fluidized bed boilers. These two types of boilers are the main types used in power stations today. The biggest difference between fluidized bed furnaces and pulverized coal furnaces is the liquid and the pulverized coal.
The hot flue gas generated by coal burning in power generation of the industrial boiler contains a large amount of waste heat, and a factory generally uses an energy-saving device for saving energy consumption, generally uses the energy-saving device to heat water for use, and recovers the heat energy in the hot flue gas to avoid waste. However, when the existing energy-saving device utilizes the heat exchange pipeline to recover the heat energy in the hot flue gas of the boiler, the dust in the hot flue gas cannot be effectively separated, and as the service life of the device increases, the dust in the flue gas can be accumulated on the outer wall of the heat exchange pipeline to influence the heat exchange performance of the heat exchange pipeline; and when harmful gas in the flue gas is treated by using the treatment liquid in the later period, the dust is precipitated into the treatment liquid to form slurry, and the dust in the form of the slurry is more difficult to treat.
Therefore, the device and the method for generating electricity and saving energy for the industrial boiler are provided.
Disclosure of Invention
The invention aims to provide an industrial boiler power generation energy-saving device and a method thereof, and aims to solve the problems that when the existing energy-saving device is used for heating water to recover heat energy in hot flue gas, flue gas dust adsorbs the outer wall of a heat exchange pipeline to influence the heat exchange performance of the flue gas dust, and the dust is more difficult to treat along with treatment liquid to form slurry when the treatment liquid is used for purifying harmful gas in the flue gas in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an industrial boiler power generation energy-saving device comprises a preheating cylinder and connecting pipes which are respectively arranged at the upper end and the lower end of the preheating cylinder, the preheating cylinder is of a cylindrical structure and is arranged at the inlet end of a water inlet pipe of an industrial boiler through the connecting pipes, one side of the top of the preheating cylinder is provided with a liquid injection pipe, the liquid injection pipe is arranged at the outer sides of the connecting pipes side by side, a heat exchange pipe assembly is arranged inside the preheating cylinder and is respectively connected with the connecting pipes at the upper end and the lower end of the preheating cylinder, flue gas treatment alkali liquor is contained in the preheating cylinder outside the heat exchange pipe assembly, the flue gas treatment alkali liquor infiltrates the heat exchange pipe assembly, a hot flue gas treatment box is arranged on the outer wall at one side of the preheating cylinder and close to the bottom, suspenders are arranged at the two sides of the hot flue gas treatment box for fixing, an air inlet pipe is arranged on the outer wall at one side of the hot flue gas treatment box, which is far away from the fixed end, and an air guide pipe is arranged at the top end of the hot flue gas treatment box, the air duct extends to the inside of hot flue gas treatment box, and its end is provided with the filter screen, and the one end that hot flue gas treatment box was kept away from to the air duct communicates with preheating the section of thick bamboo side wall mutually, and its end is provided with the check valve, and is close to top department on preheating a side outer wall of section of thick bamboo and be provided with the blast pipe.
Further, the heat exchange tube assembly includes the collateral branch fagging and sets up the spacer ring on the collateral branch fagging outer wall with even interval side by side, the collateral branch fagging is the annular and evenly sets up between adjacent spacer ring outer wall from top to bottom, wherein set up respectively between the spacer ring lateral wall of top and bottom and be provided with the reposition of redundant personnel house steward and the house steward that converges, reposition of redundant personnel house steward and the house steward that converges are linked together with the connecting pipe of preheating cylinder upper and lower extreme respectively, and reposition of redundant personnel house steward and converge and evenly be provided with heat transfer branch pipe between the house steward, evenly be provided with between the collateral branch fagging lateral wall in the heat transfer branch outside and slow down the piece respectively.
Further, heat transfer branch pipe is the component that pure copper material made, and heat transfer branch pipe includes the center tube of fixed connection between the outer wall of flow distribution house steward and flow concentration house steward, is the annular on the outer wall of center tube and evenly is provided with trapezoidal heat conduction piece respectively, and the end of trapezoidal heat conduction piece is fixed connection respectively on the inner wall of heat conduction outer tube, and the heat conduction outer tube sets up on the outer wall of center tube in succession interval respectively, and is provided with the cavity between adjacent trapezoidal heat conduction piece and the heat conduction outer tube.
Further, the gentle stream spare includes even fixed connection in the cyclic annular casing between side supporting plate lateral wall, and the even interval of roof lower extreme of cyclic annular casing is provided with the wave strip, forms between adjacent wave strip and delays the stream passageway, and the bottom of cyclic annular casing is provided with the opening, and the even interval in top of cyclic annular casing is provided with the honeycomb duct, and the honeycomb duct all is the curved structure of L style of calligraphy, and its terminal port all sets up towards heat transfer branch pipe.
Further, a fixed cross rod is arranged between the inner walls of the two sides of the hot flue gas treatment box, a mounting seat is arranged at the position, corresponding to the air guide pipe, of the fixed cross rod, a turbine fan is movably sleeved on the outer wall of a shaft rod at the top of the mounting seat, a T-shaped rod is arranged at the top end of the turbine fan, vibration springs are fixedly connected to the outer walls of the two ends of the top of the T-shaped rod respectively, and dust removal balls are fixedly connected to the tail ends of the vibration springs respectively.
Further, the deashing ball includes the ball casing that links to each other with the vibrations spring is fixed, and the ball casing is hollow structure, and its inside is close to vibrations spring one side and is provided with the vibrations chamber respectively, evenly is provided with bounce-back portion on the cambered surface inner wall in vibrations chamber respectively, and the vibrations ball has been placed to the inside in vibrations chamber.
Furthermore, the rebounding portions are of tooth-shaped structures, the heights of the ends, far away from the inner wall of the cambered surface of the vibration cavity, of the rebounding portions are staggered, and the vibration ball is an elastic small ball.
Furthermore, an ash discharge pipe is arranged at the bottom of the hot flue gas treatment box, an inner cavity of the hot flue gas treatment box above the port of the ash discharge pipe is of a funnel-shaped structure, a sliding groove is formed in the box body of the hot flue gas treatment box on one side of the port of the ash discharge pipe, a sealing plate is arranged in the inner cavity of the sliding groove through a connecting spring, and the sealing plate is movably clamped between the inner walls of the sliding groove and used for controlling ash discharge control of the ash discharge pipe.
Furthermore, the sliding groove is provided with an adjusting rotary rod in a penetrating mode on the outer wall of one end, far away from the ash discharge pipe, of the sliding groove, the tail end of the adjusting rotary rod is attached to the outer wall of the sealing plate, and when the connecting spring is in a normal relaxation state, the sealing plate is clamped and contained in the inner cavity of the sliding groove.
The invention provides another technical scheme: an implementation method of an industrial boiler power generation energy-saving device comprises the following steps:
s1: connecting an air inlet pipe on the outer wall of the hot flue gas treatment box and connecting pipes at the upper end and the lower end of the preheating cylinder with corresponding parts of a power generation boiler respectively, enabling the preheating cylinder and the hot flue gas treatment box to be respectively merged into a water adding system and an exhaust system of the power generation boiler, rotating the adjusting rotary rod to enable the adjusting rotary rod to extend towards the inside of the sliding groove, and ejecting the sealing plate out of the sliding groove to seal the inner and outer sealing ash discharge pipes;
s2: the boiler starts to supply water and starts to work, waste gas generated by boiler combustion is guided into the hot flue gas treatment box through the air inlet pipe, the hot flue gas enters alkali liquor in the preheating cylinder through the air guide pipe arranged at the top of the hot flue gas treatment box, the hot flue gas sequentially passes through the slow flow piece and reacts with the alkali liquor to be treated, heat of the hot flue gas is transferred to water conveyed inside the heat exchange branch pipe to be heated, and meanwhile, the alkali liquor is heated to heat the heat exchange branch pipe in a water bath manner;
s3: after hot flue gas generated by boiler combustion enters the hot flue gas treatment box, dust in the flue gas is filtered and separated through a filter screen at the bottom of the gas guide pipe, and falls to the upper end of a sealing plate at the bottom of the hot flue gas treatment box or is adsorbed on the filter screen, and meanwhile, the flue gas drives a turbine fan to rotate during dust separation, and the turbine fan drives a T-shaped rod at the upper end of the turbine fan to rotate;
s4: when the T-shaped rod rotates, the vibration balls in the ash removal balls at the tail ends of the two sides of the T-shaped rod roll in a centrifugal mode in the vibration cavity, the non-directional impact rebound part of each vibration ball rebounds to drive the vibration spring to vibrate, and the ash removal balls rotate to shake and knock the filter screen to remove ash when the vibration spring vibrates;
s5: after the boiler is used for generating electricity, the adjusting rotary rod is rotated reversely to enable the adjusting rotary rod to slide towards the outside of the sliding groove, the connecting spring pulls the sealing plate to reset and communicate with the ash discharging pipe, and dust accumulated at the bottom of the hot flue gas treatment box is discharged through the ash discharging pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an industrial boiler power generation energy-saving device and a method thereof, a hot flue gas treatment box is arranged on the outer wall of one side of a preheating cylinder close to the bottom, an air inlet pipe is arranged on the outer wall of one side of the hot flue gas treatment box far away from a fixed end, an air guide pipe at the top end of the hot flue gas treatment box is connected with the side wall of the preheating cylinder, a filter screen is arranged at the port of the air guide pipe in the hot flue gas treatment box, connecting pipes at the upper end and the lower end of the preheating cylinder are respectively connected with a shunt main pipe and a confluence main pipe, heat exchange branch pipes are uniformly arranged between the shunt main pipe and the confluence main pipe, a slow flow piece is uniformly arranged between the side supporting plate side walls outside the heat exchange branch pipes respectively, after the preheating cylinder and the hot flue gas treatment box are respectively merged into a water supply system and an exhaust system of a power generation boiler, waste gas generated by boiler combustion is guided into the hot flue gas treatment box through the air inlet pipe, the hot flue gas is filtered by the filter screen and then enters alkali liquor in the preheating cylinder, the hot flue gas passes unhurried current spare and alkali lye reaction in proper order and handles, heats the water of heat transfer for the inside transport of heat transfer branch pipe simultaneously, still heats alkali lye and carries out water bath heating to the heat transfer branch pipe, has both separated out the dust, has effectively retrieved flue gas heat energy again and has been used for preheating boiler water for its efficiency of evaporating vapor, convenient and practical.
2. The invention provides an industrial boiler power generation energy-saving device and a method thereof, wherein a fixed cross rod is arranged between the inner walls of two sides of a hot flue gas treatment box and is matched with a mounting seat to mount a turbine fan, a T-shaped rod is arranged at the top end of the turbine fan and is matched with a vibration spring to mount an ash removal ball, hot flue gas enters the hot flue gas treatment box and is filtered by a filter screen at the port of an air duct, the dust falls to the upper end of a sealing plate at the bottom of the hot flue gas treatment box or is adsorbed on the filter screen, simultaneously, the flue gas drives the turbine fan to rotate when the dust is separated, the turbine fan drives the T-shaped rod at the upper end of the turbine fan to rotate, the vibration balls inside the ash removal balls at the tail ends of two sides of the turbine fan roll in a centrifugal mode in a vibration cavity, the vibration ball rebounds from a non-directional impact rebound part to drive the vibration spring to shake, the ash removal ball rotates to knock the filter screen to remove ash when the vibration spring shakes, the filter screen to ensure the cleanness of the filter screen and avoid the dust blocking meshes to influence the filtration, and realize the automatic ash removal of the filter screen, is convenient and quick.
3. The invention provides an industrial boiler power generation energy-saving device and a method thereof.A dust discharging pipe is arranged at the bottom of a hot flue gas treatment box, a sliding groove matched with a connecting spring is arranged in the box body of the hot flue gas treatment box at one side of the port of the dust discharging pipe, a sealing plate is installed by the sliding groove, an adjusting rotary rod penetrates through the outer wall of the sliding groove at one end far away from the dust discharging pipe, the tail end of the adjusting rotary rod is attached to the outer wall of the sealing plate, after the boiler is used for generating power, the adjusting rotary rod is reversely rotated to slide towards the outside of the sliding groove, the connecting spring pulls the sealing plate to reset and communicate with the dust discharging pipe, dust accumulated at the bottom of the hot flue gas treatment box is discharged through the dust discharging pipe, the problem that the flue gas dust enters flue gas treatment alkali liquor to form slurry and is difficult to treat is avoided, and the operation is simple.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an industrial boiler power generation energy-saving device of the invention;
FIG. 2 is a schematic structural diagram of a preheating cylinder of the power generation energy-saving device of the industrial boiler;
FIG. 3 is a schematic structural diagram of a heat exchange tube assembly of the power generation energy-saving device of the industrial boiler;
FIG. 4 is a schematic view of the installation structure of a heat exchange branch pipe of the power generation energy-saving device of an industrial boiler;
FIG. 5 is a cross-sectional view of a heat exchange branch pipe of the power generation energy-saving device of the industrial boiler;
FIG. 6 is a schematic structural view of a flow slowing member of the power generation energy-saving device of the industrial boiler;
FIG. 7 is a sectional view of a hot flue gas treatment box of the power generation energy-saving device of the industrial boiler;
FIG. 8 is an enlarged schematic structural view at A in FIG. 7 of the power generation energy-saving device of the industrial boiler of the present invention;
FIG. 9 is a sectional view of an ash removal ball of the power generation energy-saving device of the industrial boiler.
In the figure: 1. preheating a cylinder; 2. a connecting pipe; 3. a liquid injection pipe; 4. a heat exchange tube assembly; 41. side supporting plates; 42. a spacer ring; 43. a shunt main pipe; 44. a manifold; 45. a heat exchange branch pipe; 451. a central tube; 452. a trapezoidal heat conducting block; 453. a heat conducting outer tube; 46. a flow slowing member; 461. an annular housing; 462. a wave strip; 463. a port; 464. a flow guide pipe; 5. a hot flue gas treatment tank; 51. an air inlet pipe; 52. fixing the cross bar; 53. a mounting seat; 54. a turbo fan; 55. a T-shaped rod; 56. vibrating the spring; 57. ash removal balls; 571. a ball housing; 572. a vibration chamber; 573. a rebound part; 574. a vibration ball; 58. an ash discharge pipe; 59. a sliding groove; 510. a connecting spring; 511. a sealing plate; 512. adjusting the rotary rod; 6. an air duct; 7. a filter screen; 8. a one-way valve; 9. and (4) exhausting the gas.
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, 2 and 7, an industrial boiler power generation energy-saving device comprises a preheating cylinder 1 and connecting pipes 2 respectively arranged at the upper end and the lower end of the preheating cylinder 1, the preheating cylinder 1 is of a cylindrical structure and is arranged at the inlet end of an industrial boiler water inlet pipe through the connecting pipes 2, a liquid injection pipe 3 is arranged at one side of the top of the preheating cylinder 1, a through window is uniformly arranged at the top end of the preheating cylinder 1, the liquid injection pipe 3 is arranged at the outer side of the connecting pipes 2 side by side, a heat exchange pipe assembly 4 is arranged inside the preheating cylinder 1, the heat exchange pipe assembly 4 is respectively connected with the connecting pipes 2 at the upper end and the lower end of the preheating cylinder 1, flue gas treatment alkali liquor is contained inside the preheating cylinder 1 at the outer side of the heat exchange pipe assembly 4, the heat exchange pipe assembly 4 is soaked by the flue gas treatment alkali liquor, a hot flue gas treatment tank 5 is arranged on the outer wall at one side of the preheating cylinder 1 and close to the bottom, suspenders are arranged at the two sides of the hot gas treatment tank 5 for fixation, and the hot flue gas treatment box 5 is provided with an air inlet pipe 51 close to the bottom on the outer wall of one side far away from the fixed end, the top end of the hot flue gas treatment box 5 is provided with an air duct 6, the air duct 6 extends to the inside of the hot flue gas treatment box 5, the tail end of the air duct is provided with a filter screen 7, one end of the air duct 6 far away from the hot flue gas treatment box 5 is communicated with the side wall of the preheating cylinder 1, the tail end of the air duct is provided with a one-way valve 8, and an exhaust pipe 9 is arranged close to the top on the outer wall of one side of the preheating cylinder 1.
Referring to fig. 1, 2, 3 and 4, the heat exchange tube assembly 4 includes side support plates 41 and parallel separating rings 42 uniformly spaced on the outer walls of the side support plates 41, the side support plates 41 are uniformly disposed between the outer walls of the upper and lower adjacent separating rings 42 in a ring shape, wherein a branch header 43 and a branch header 44 are disposed between the side walls of the uppermost and lowermost separating rings 42, the branch header 43 and the branch header 44 are respectively communicated with the connecting tubes 2 at the upper and lower ends of the preheating cylinder 1, heat exchange branch tubes 45 are uniformly disposed between the branch header 43 and the branch header 44, flow slowing members 46 are respectively uniformly disposed between the side walls of the side support plates 41 outside the heat exchange branch tubes 45, after the preheating cylinder 1 and the hot flue gas treatment box 5 are respectively incorporated into the water supply system and the exhaust system of the power generation boiler, the flue gas generated by the combustion of the boiler is introduced into the hot flue gas treatment box 5 through an air inlet pipe 51, the hot flue gas enters into the alkali liquor in preheating cylinder 1 after filtering through filter screen 7, and the hot flue gas passes unhurried current spare 46 and alkali liquor reaction in proper order and falls, heats the water of heat transfer for 45 inside conveyances of heat transfer branch pipe simultaneously, still heats alkali liquor and carries out water bath heating to heat transfer branch pipe 45, has both separated the dust, has effectively retrieved flue gas heat energy again and has been used for preheating boiler water for its efficiency of evaporating vapor, convenient and practical.
Referring to fig. 3, 4 and 5, the heat exchange branch pipes 45 are all made of pure copper materials, each heat exchange branch pipe 45 includes a central pipe 451 fixedly connected between the outer walls of the branch pipe 43 and the confluence pipe 44, trapezoidal heat conduction blocks 452 are uniformly arranged on the outer wall of the central pipe 451 in a ring shape, the ends of the trapezoidal heat conduction blocks 452 are respectively fixedly connected to the inner wall of the heat conduction outer pipe 453, the heat conduction outer pipes 453 are respectively arranged on the outer wall of the central pipe 451 in a continuous and spaced manner, a cavity is arranged between the adjacent trapezoidal heat conduction blocks 452 and the heat conduction outer pipe 453, the trapezoidal heat conduction blocks 452 and the heat conduction outer pipe 453 cooperate to increase the contact surface with hot flue gas, heat energy is introduced into the central pipe 451 after rapid heat absorption, the interior of the central pipe is preheated, so as to filter the rapidly evaporated water vapor and accelerate the power generation efficiency.
Referring to fig. 3 and 6, the slow flow member 46 includes an annular housing 461 uniformly and fixedly connected between the side walls of the side support plates 41, wave strips 462 are uniformly arranged at intervals at the lower end of the top plate of the annular housing 461, slow flow channels are formed between the adjacent wave strips 462, a through opening 463 is arranged at the bottom of the annular housing 461, flow guide pipes 464 are uniformly arranged at intervals at the top end of the annular housing 461, the flow guide pipes 464 are all L-shaped curved structures, the end ports of the flow guide pipes are all arranged toward the heat exchange branch pipes 45, hot flue gas enters the slow flow channels and then moves along the wave strips 462, when alkali liquor reaction is effectively and treated, water bath heating is performed on the central pipe 451, and rapid heating of water inside the central pipe 451 is promoted.
Referring to fig. 1 and 7, a fixed cross bar 52 is arranged between the inner walls of the two sides of the hot flue gas treatment box 5, a mounting seat 53 is arranged at the position of the fixed cross bar 52 corresponding to the gas guide tube 6, a turbine fan 54 is movably sleeved on the outer wall of a shaft lever at the top of the mounting seat 53, a T-shaped rod 55 is arranged at the top end of the turbine fan 54, vibration springs 56 are respectively and fixedly connected to the outer walls at the two ends of the top of the T-shaped rod 55, and the tail ends of the vibration springs 56 are respectively and fixedly connected with ash removal balls 57; an ash discharge pipe 58 is arranged at the bottom of the hot flue gas treatment box 5, the inner cavity of the hot flue gas treatment box 5 above the port of the ash discharge pipe 58 is of a funnel-shaped structure, a sliding groove 59 is arranged in the box body of the hot flue gas treatment box 5 on one side of the port of the ash discharge pipe 58, a sealing plate 511 is arranged in the inner cavity of the sliding groove 59 through a connecting spring 510, the sealing plate 511 is movably clamped between the inner walls of the sliding groove 59 and is used for controlling the ash discharge control of the ash discharge pipe 58, an adjusting rotary rod 512 penetrates through the outer wall of the sliding groove 59 far away from one end of the ash discharge pipe 58, the tail end of the adjusting rotary rod 512 is attached to the outer wall of the sealing plate 511, when the connecting spring 510 is in a normal diastole state, the sealing plate 511 is clamped in the inner cavity of the sliding groove 59, after the boiler generates electricity, the adjusting rotary rod 512 is reversely rotated to slide towards the outside of the sliding groove 59, the connecting spring 510 pulls the sealing plate 511 to reset and communicate with the ash discharge pipe 58, and dust accumulated at the bottom of the hot flue gas treatment box 5 is discharged through the ash discharge pipe 58, the trouble that the slurry formed by the flue gas dust entering the flue gas treatment alkali liquor is difficult to treat is avoided, and the operation is simple.
Referring to fig. 7, 8 and 9, the ash removal ball 57 includes a ball housing 571 fixedly connected to the vibration spring 56, the ball housing 571 is a hollow structure, a vibration cavity 572 is respectively disposed at one side of the interior of the ball housing 571 close to the vibration spring 56, rebounding portions 573 are respectively uniformly disposed on the inner wall of the arc surface of the vibration cavity 572, and a vibration ball 574 is disposed in the vibration cavity 572; bounce-back portion 573 all is dentate structure, its one end of keeping away from vibrations chamber 572 cambered surface inner wall sets up the crisscross setting of height difference respectively, and vibrations ball 574 is the elasticity bobble, when T type pole 55 is rotatory, the inside vibrations ball 574 of the terminal deashing ball 57 of its both sides is at the centrifugal roll in vibrations chamber 572, vibrations ball 574 does not move to strike bounce-back portion 573 rebound and drives vibrations spring 56 shake, the rotatory vibrations of deashing ball 57 are beaten filter screen 7 and are carried out the deashing when vibrations spring 56 shakes, guarantee filter screen 7 clean and tidy avoid the dust to block up the mesh influence and filter, the realization is to the automatic deashing of filter screen 7, and is convenient and fast.
In order to better show the power generation and energy saving device of the industrial boiler, the embodiment now provides an implementation method of the power generation and energy saving device of the industrial boiler, which includes the following steps:
the method comprises the following steps: respectively connecting an air inlet pipe 51 on the outer wall of a hot flue gas treatment box 5 and a connecting pipe 2 at the upper end and the lower end of a preheating cylinder 1 with corresponding parts of a power generation boiler, respectively enabling the preheating cylinder 1 and the hot flue gas treatment box 5 to be respectively merged into a water adding system and an exhaust system of the power generation boiler, rotating an adjusting rotary rod 512 to enable the adjusting rotary rod to extend towards the inside of a sliding groove 59, and ejecting a sealing plate 511 out of the sliding groove 59 to seal an inner sealing ash discharge pipe 58 and an outer sealing ash discharge pipe 58;
step two: the boiler starts to supply water and starts to work, waste gas generated by boiler combustion is guided into the hot flue gas treatment box 5 through the air inlet pipe 51, the hot flue gas enters alkali liquor in the preheating cylinder 1 through the air guide pipe 6 arranged at the top of the hot flue gas treatment box 5, the hot flue gas sequentially passes through the slow flow piece 46 and reacts with the alkali liquor to be treated, heat of the hot flue gas is transferred to water conveyed inside the heat exchange branch pipe 45 to be heated, and meanwhile, the alkali liquor is heated to carry out water bath heating on the heat exchange branch pipe 45;
step three: after hot flue gas generated by boiler combustion enters the hot flue gas treatment box 5, dust in the flue gas is filtered and separated through the filter screen 7 at the bottom of the gas guide pipe 6, and falls to the upper end of the sealing plate 511 at the bottom of the hot flue gas treatment box 5 or is adsorbed on the filter screen 7, meanwhile, the flue gas drives the turbine fan 54 to rotate during dust separation, and the turbine fan 54 drives the T-shaped rod 55 at the upper end of the turbine fan to rotate;
step four: when the T-shaped rod 55 rotates, the vibration balls 574 in the ash removal balls 57 at the tail ends of the two sides roll centrifugally in the vibration cavity 572, the vibration balls 574 bounce from the non-directional impact rebound part 573 to drive the vibration spring 56 to vibrate, and when the vibration spring 56 vibrates, the ash removal balls 57 rotate to vibrate the filter screen 7 to remove ash;
step five: after the boiler is used for generating electricity, the adjusting rotary rod 512 is rotated reversely to slide towards the outside of the sliding groove 59, the connecting spring 510 pulls the sealing plate 511 to reset and communicate with the ash discharge pipe 58, and dust accumulated at the bottom of the hot flue gas treatment box 5 is discharged through the ash discharge pipe 58.
In summary, the following steps: the invention provides an industrial boiler power generation energy-saving device and a method thereof, a hot flue gas treatment box 5 is arranged on the outer wall of one side of a preheating cylinder 1 near the bottom, an air inlet pipe 51 is arranged on the outer wall of one side of the hot flue gas treatment box 5 far away from the fixed end, an air duct 6 at the top end of the hot flue gas treatment box 5 is connected with the side wall of the preheating cylinder 1, a filter screen 7 is arranged at the port of the air duct 6 in the hot flue gas treatment box 5, connecting pipes 2 at the upper end and the lower end of the preheating cylinder 1 are respectively connected with a shunt header pipe 43 and a confluence header pipe 44, heat exchange branch pipes 45 are uniformly arranged between the shunt header pipe 43 and the confluence header pipe 44, slow flow parts 46 are respectively and uniformly arranged between the side wall of side support plates 41 outside the heat exchange branch pipes 45, after the preheating cylinder 1 and the hot flue gas treatment box 5 are respectively merged into a water supply system and an exhaust system of a power generation boiler, waste gas generated by boiler combustion is guided into the hot flue gas treatment box 5 through the air inlet pipe 51, hot flue gas enters alkali liquor in the preheating cylinder 1 after being filtered by the filter screen 7, the hot flue gas sequentially passes through the slow flow piece 46 and reacts with the alkali liquor to be treated, meanwhile, heat is transferred to water conveyed inside the heat exchange branch pipe 45 to be heated, the alkali liquor is also heated to carry out water bath heating on the heat exchange branch pipe 45, dust is separated out, flue gas heat energy is effectively recycled for preheating boiler water, the efficiency of evaporating steam is improved, and the preheating device is convenient and practical; a fixed cross rod 52 is arranged between the inner walls of two sides of a hot flue gas treatment box 5 and is matched with a mounting seat 53 to mount a turbine fan 54, a T-shaped rod 55 is arranged at the top end of the turbine fan 54 and is matched with a vibration spring 56 to mount an ash removal ball 57, hot flue gas enters the hot flue gas treatment box 5 and is filtered by a filter screen 7 at the port of an air duct 6, the dust falls to the upper end of a sealing plate 511 at the bottom of the hot flue gas treatment box 5 or is adsorbed on the filter screen 7, meanwhile, the flue gas drives the turbine fan 54 to rotate during dust separation, the turbine fan 54 drives the T-shaped rod 55 at the upper end to rotate, the vibration balls 574 inside the ash removal balls 57 at the tail ends of the two sides roll centrifugally in a vibration cavity 572, the vibration balls 574 rebound from an impact rebound part 573 to drive the vibration spring 56 to shake, the ash removal ball 57 rotates to shake the filter screen 7 to remove ash when the vibration spring 56 shakes, the filter screen 7 is ensured to be clean and clean, dust is prevented from being blocked by meshes to influence on the filter screen 7, and automatic ash removal is realized, is convenient and quick.
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 (10)
1. The utility model provides an industrial boiler electricity generation economizer, includes preheating cylinder (1) and sets up respectively in connecting pipe (2) at preheating cylinder (1) upper and lower both ends, preheats cylinder (1) and is cylindric structure, and it installs in the entrance point of industrial boiler inlet tube through connecting pipe (2), and preheating cylinder (1) top one side is provided with annotates liquid pipe (3), annotates liquid pipe (3) and sets up in the outside of connecting pipe (2) side by side, its characterized in that: a heat exchange tube component (4) is arranged in the preheating cylinder (1), the heat exchange tube component (4) is respectively connected with connecting tubes (2) at the upper end and the lower end of the preheating cylinder (1), flue gas treatment alkali liquor is contained in the preheating cylinder (1) at the outer side of the heat exchange tube component (4), the flue gas treatment alkali liquor infiltrates the heat exchange tube component (4), a hot flue gas treatment box (5) is arranged on the outer wall of one side of the preheating cylinder (1) near the bottom, suspenders are arranged at two sides of the hot flue gas treatment box (5) for fixing, an air inlet tube (51) is arranged on the outer wall of one side of the hot flue gas treatment box (5) far away from the fixed end near the bottom, an air guide tube (6) is arranged at the top end of the hot flue gas treatment box (5), the air guide tube (6) extends to the inside of the hot flue gas treatment box (5), a filter screen (7) is arranged at the tail end of the air guide tube (6), one end of the air guide tube (6) far away from the hot flue gas treatment box (5) is communicated with the side wall of the preheating cylinder (1), the tail end of the preheating cylinder is provided with a one-way valve (8), and an exhaust pipe (9) is arranged on the outer wall of one side of the preheating cylinder (1) close to the top.
2. The power generation energy-saving device of the industrial boiler as claimed in claim 1, characterized in that: the heat exchange tube assembly (4) comprises side supporting plates (41) and partition rings (42) which are arranged on the outer walls of the side supporting plates (41) at equal intervals in parallel, the side supporting plates (41) are annular and are uniformly arranged between the outer walls of the upper partition ring (42) and the lower partition ring (42) which are adjacent to each other, a shunt header pipe (43) and a confluence header pipe (44) are arranged between the side walls of the uppermost partition ring (42) and the lowermost partition ring (44) respectively, the shunt header pipe (43) and the confluence header pipe (44) are communicated with connecting tubes (2) at the upper end and the lower end of a preheating cylinder (1) respectively, heat exchange branch tubes (45) are uniformly arranged between the shunt header pipe (43) and the confluence header pipe (44), and flow buffering pieces (46) are uniformly arranged between the side walls of the side supporting plates (41) outside the heat exchange branch tubes (45) respectively.
3. The power generation energy-saving device of the industrial boiler as claimed in claim 2, characterized in that: heat transfer branch pipe (45) are the component that pure copper material made, heat transfer branch pipe (45) are center tube (451) between fixed connection in reposition of redundant personnel house steward (43) and converge house steward (44) outer wall including, it evenly is provided with trapezoidal heat conduction piece (452) respectively to be the annular on the outer wall of center tube (451), the end of trapezoidal heat conduction piece (452) is fixed connection respectively on the inner wall of heat conduction outer tube (453), heat conduction outer tube (453) continuous interval respectively sets up on the outer wall of center tube (451), and be provided with the cavity between adjacent trapezoidal heat conduction piece (452) and heat conduction outer tube (453).
4. The power generation energy-saving device of the industrial boiler as claimed in claim 2, characterized in that: flow slowing piece (46) are including even fixed connection in the cyclic annular casing (461) between collateral branch fagging (41) lateral wall, the roof lower extreme of cyclic annular casing (461) is evenly spaced and is provided with wave strip (462), form between adjacent wave strip (462) and slow flow passageway, and the bottom of cyclic annular casing (461) is provided with opening (463), the even interval in top of cyclic annular casing (461) is provided with honeycomb duct (464), honeycomb duct (464) all are the crooked column structure of L style of calligraphy, its end port all sets up towards heat transfer branch pipe (45).
5. The power generation energy-saving device of the industrial boiler as claimed in claim 1, characterized in that: a fixed cross rod (52) is arranged between the inner walls of two sides of the hot flue gas treatment box (5), a mounting seat (53) is arranged at the position, corresponding to the air guide pipe (6), of the fixed cross rod (52), a turbine fan (54) is movably sleeved on the outer wall of a shaft lever at the top of the mounting seat (53), a T-shaped rod (55) is arranged at the top end of the turbine fan (54), vibration springs (56) are fixedly connected to the outer walls of the two ends of the top of the T-shaped rod (55) respectively, and dust removing balls (57) are fixedly connected to the tail ends of the vibration springs (56) respectively.
6. The power generation energy-saving device of the industrial boiler as claimed in claim 5, characterized in that: deashing ball (57) are including ball casing (571) with vibrations spring (56) fixed connection, and ball casing (571) are hollow structure, and its inside is close to vibrations spring (56) one side and is provided with vibrations chamber (572) respectively, evenly is provided with bounce-back portion (573) respectively on the cambered surface inner wall in vibrations chamber (572), and vibrations ball (574) have been placed to the inside in vibrations chamber (572).
7. The power generation energy-saving device of the industrial boiler as claimed in claim 6, characterized in that: the rebounding parts (573) are all in a tooth-shaped structure, the heights of the rebounding parts are arranged at one end far away from the inner wall of the cambered surface of the vibration cavity (572) in a staggered mode, and the vibration ball (574) is an elastic small ball.
8. The power generation energy-saving device of the industrial boiler as claimed in claim 5, characterized in that: the bottom of hot flue gas treatment box (5) is provided with ash discharge pipe (58), the hot flue gas treatment box (5) inner chamber of ash discharge pipe (58) port top is hopper-shaped structure, the inside sliding groove (59) that is provided with of hot flue gas treatment box (5) box of one side of ash discharge pipe (58) port department, the inner chamber of sliding groove (59) is provided with closing plate (511) through coupling spring (510), closing plate (511) activity block is in between the inner wall of sliding groove (59), it is used for controlling the ash discharge control of ash discharge pipe (58).
9. The power generation energy-saving device of the industrial boiler as claimed in claim 8, characterized in that: an adjusting rotary rod (512) penetrates through the outer wall of one end, far away from the ash discharge pipe (58), of the sliding groove (59), the tail end of the adjusting rotary rod (512) is attached to the outer wall of the sealing plate (511), and when the connecting spring (510) is in a normal relaxation state, the sealing plate (511) is clamped and contained in the inner cavity of the sliding groove (59).
10. An implementation method of the industrial boiler power generation energy-saving device according to any one of claims 1 to 9, characterized by comprising the following steps: the method comprises the following steps:
s1: an air inlet pipe (51) on the outer wall of a hot flue gas treatment box (5) and a connecting pipe (2) at the upper end and the lower end of a preheating cylinder (1) are respectively connected with corresponding parts of a power generation boiler, the preheating cylinder (1) and the hot flue gas treatment box (5) are respectively merged into a water adding system and an exhaust system of the power generation boiler, an adjusting rotary rod (512) is rotated to extend towards the inside of a sliding groove (59), and a sealing plate (511) is pushed out of the sliding groove (59) to seal an inner sealing ash discharge pipe (58) and an outer sealing pipe;
s2: the boiler starts to supply water and starts to work and operate, waste gas generated by boiler combustion is introduced into the hot flue gas treatment box (5) through the air inlet pipe (51), the hot flue gas enters alkali liquor in the preheating cylinder (1) through the air guide pipe (6) arranged at the top of the hot flue gas treatment box (5), the hot flue gas sequentially passes through the slow flow piece (46) and reacts with the alkali liquor to be treated, heat of the hot flue gas is transferred to water conveyed inside the heat exchange branch pipe (45) to be heated, and the alkali liquor is heated to heat the heat exchange branch pipe (45) to carry out water bath heating;
s3: after hot flue gas generated by boiler combustion enters a hot flue gas treatment box (5), dust in the flue gas is filtered and separated through a filter screen (7) at the bottom of a gas guide pipe (6), and falls to the upper end of a sealing plate (511) at the bottom of the hot flue gas treatment box (5) or is adsorbed on the filter screen (7), and meanwhile, the flue gas drives a turbine fan (54) to rotate during dust separation, and the turbine fan (54) drives a T-shaped rod (55) at the upper end of the turbine fan to rotate;
s4: when the T-shaped rod (55) rotates, the vibration balls (574) in the ash removal balls (57) at the tail ends of the two sides roll centrifugally in the vibration cavity (572), the vibration balls (574) rebound from the non-directional impact rebound part (573) to drive the vibration spring (56) to vibrate, and when the vibration spring (56) vibrates, the ash removal balls (57) rotate to knock the filter screen (7) to remove ash;
s5: after the boiler is used for generating electricity, the adjusting rotary rod (512) is rotated reversely to slide towards the outside of the sliding groove (59), the connecting spring (510) pulls the sealing plate (511) to reset and communicate with the ash discharging pipe (58), and dust accumulated at the bottom of the hot flue gas treatment box (5) is discharged through the ash discharging pipe (58).
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