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CN-224230042-U - Flue gas waste heat utilization device of thermal power plant

CN224230042UCN 224230042 UCN224230042 UCN 224230042UCN-224230042-U

Abstract

The utility model relates to the technical field of thermal power plants, in particular to a flue gas waste heat utilization device of a thermal power plant, which comprises a bearing plate, a waste heat utilization component and a flue gas filtering component, wherein the waste heat utilization component comprises a water tank, a transmission component is arranged at the lower end of the water tank, a heat exchange plate is arranged at the upper end of the transmission component, a heat exchange pipe is arranged in the heat exchange plate, the flue gas filtering component comprises a flue gas filtering tank, a rotating rod is arranged in the flue gas filtering tank, a filter plate is arranged at one end position in the flue gas filtering tank, and a dust scraping component is arranged outside the rotating rod. According to the utility model, dust on one side of the filter plate is cleaned through the brush hair, dust on the inner wall of the flue gas filtering tank is cleaned through the dust scraping component, the filtering smoothness of the filter plate is kept, the heat exchange plate and the heat exchange tube slide back and forth in the water tank, the contact area of the heat exchange plate, the heat exchange tube and water liquid in the water tank is increased, and the heating efficiency of the water liquid is facilitated.

Inventors

  • Cai Huhe
  • HE LIANKUI
  • BAO XIN
  • KANG ZHIJUN
  • ZHANG YE

Assignees

  • 内蒙古上都发电有限责任公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (7)

  1. 1. The utility model provides a flue gas waste heat utilization device of thermal power plant, includes loading board (1), waste heat utilization component (2) and flue gas filtration component (3), waste heat utilization component (2) are located the upside position department of loading board (1), flue gas filtration component (3) are located one side position department of waste heat utilization component (2), a serial communication port, waste heat utilization component (2) include water tank (5), transmission component (6) are installed to the lower extreme of water tank (5), the upper end of transmission component (6) is provided with heat transfer plate (7), the inside of heat transfer plate (7) is provided with heat transfer tube (8), flue gas filtration component (3) include flue gas filtration jar (9), the inside of flue gas filtration jar (9) is provided with bull stick (10), the inside one end position department of flue gas filtration jar (9) is provided with filter (11), the outside of bull stick (10) is provided with scrapes grey component (12), the outside of bull stick (10) is located one side position department of filter (11) and is provided with first (13), the inside of first side (13) is provided with heat transfer plate (9), the inside of flue gas filtration jar (16) is provided with dust collection box (16), one side of air duct (16) is provided with first coupling hose (17), the opposite side of water tank (5) is provided with blast pipe (19), one side of blast pipe (19) is provided with second coupling hose (18), the upside of water tank (5) is provided with water pipe (20), the downside of water tank (5) is provided with outlet pipe (21), one side of flue gas filtration jar (9) is provided with intake pipe (22), the opposite side of flue gas filtration jar (9) is provided with fan (23), first driving motor (24) are installed in the position department that the outside of flue gas filtration jar (9) corresponds bull stick (10).
  2. 2. The flue gas waste heat utilization device of a thermal power plant according to claim 1, wherein the transmission member (6) comprises a carriage (25), a third mounting plate (26) is arranged at the lower end of the carriage (25), a rotary table (27) is arranged at the rear side of the third mounting plate (26), an eccentric rod (28) is arranged at the position of the outer end of the rear side of the rotary table (27), a sliding block (29) is arranged at the outer side of the carriage (25), a first sliding rod (30) is arranged at the upper side of the sliding block (29), a slip guide ring (31) is arranged at the outer side of the first sliding rod (30), a second transmission motor (32) is arranged at the position of the front side of the third mounting plate (26) corresponding to the rotary table (27), the ash scraping member (12) comprises a second mounting plate (33), a second sliding rod (34) is arranged at the outer end of the second mounting plate (33), a scraping block (35) is arranged at the outer side of the second sliding rod (34), a sliding groove (36) is arranged at the position of the second mounting plate (33) corresponding to the second sliding rod (35), and a sliding groove (37) is formed at the outer side of the second sliding rod.
  3. 3. The flue gas waste heat utilization device of a thermal power plant according to claim 1, wherein the output end of the air inlet pipe (22) is communicated with the input end of the flue gas filtering tank (9), the output end of the flue gas filtering tank (9) is communicated with the input end of the fan (23), the output end of the fan (23) is communicated with the input end of the air guide pipe (16), the output end of the air guide pipe (16) is communicated with the input end of the first connecting hose (17), the output end of the first connecting hose (17) is communicated with the input end of the heat exchange pipe (8), the output end of the heat exchange pipe (8) is communicated with the input end of the second connecting hose (18), and the output end of the second connecting hose (18) is communicated with the input end of the exhaust pipe (19).
  4. 4. The flue gas waste heat utilization device of a thermal power plant according to claim 1, wherein the output end of the water adding pipe (20) is communicated with the upper end of the water tank (5), the lower end of the water tank (5) is communicated with the input end of the water outlet pipe (21), the rotating rod (10) rotates at the inner position of the flue gas filtering tank (9) through the first transmission motor (24), the bristles (14) are positioned at one side position of the filtering plate (11), and the outer side of the ash scraping component (12) slides at the inner position of the flue gas filtering tank (9).
  5. 5. A flue gas waste heat utilization device of a thermal power plant according to claim 1, wherein the upper end of the transmission member (6) is fixed at the lower side position of the heat exchange plate (7), and the heat exchange plate (7) slides at the inner position of the water tank (5) through the transmission member (6).
  6. 6. A flue gas waste heat utilization device of a thermal power plant according to claim 2, wherein the rotary table (27) is rotated at a rear side position of the third mounting plate (26) by the second transmission motor (32), a lower end of the eccentric rod (28) is rotated at an outer end position of the rotary table (27), an upper end of the eccentric rod (28) is rotated at a lower side position of the slide block (29), the slide block (29) is slid at an outer side position of the scraper block (35), the slide guide ring (31) is fixed at a lower side position of the water tank (5), the first slide rod (30) is slid at an inner position of the slide guide ring (31), and an upper end of the first slide rod (30) is fixed at a lower side position of the heat exchange plate (7).
  7. 7. A flue gas waste heat utilization device of a thermal power plant according to claim 2, wherein the second mounting plate (33) is fixed at an outer side position of the rotating rod (10), an inner end of the second slide rod (34) slides at an inner position of the slide groove (37), and the scraper block (35) slides at an outer side position of the second mounting plate (33) through the second slide rod (34).

Description

Flue gas waste heat utilization device of thermal power plant Technical Field The utility model relates to the technical field of thermal power plants, in particular to a flue gas waste heat utilization device of a thermal power plant. Background The thermal power plant is a plant for producing electric energy by using combustible matters as fuel, and the basic production process of the thermal power plant is that the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, and a flue gas waste heat utilization device of the thermal power plant is equipment for recovering waste heat in flue gas of the thermal power plant, so that the energy utilization efficiency can be improved, and the energy waste and the environmental pollution can be reduced. Chinese patent discloses a flue gas waste heat recovery utilizes device of thermal power plant, (grant bulletin number CN 219036676U), this patent technology increases the whole stroke of flue gas through the spiral plate, heat the water in the water tank, in order to increase heating efficiency, the lateral wall of water tank adopts the material that heat conductivility is good, through the pivot, the flabellum, the (mixing) shaft, the spiral plate, thereby the flue gas blows to the flabellum after getting into, thereby drive the pivot and stir the homogeneity of guaranteeing the heating to the water with the (mixing) shaft, but above-mentioned flue gas waste heat recovery utilizes device filter screen filterable dust adhesion to the filter screen in thermal power plant, the dust is blocked the filter screen easily, influence the smoothness of filter screen filtration operation, and the cleanness of dust is inconvenient, carry out the heating operation of water liquid in the water tank through the heat passageway, water liquid and heat passageway area of contact is little, be unfavorable for the heating efficiency of water liquid, influence waste heat utilization effect. Therefore, a person skilled in the art provides a flue gas waste heat utilization device of a thermal power plant to solve the problems set forth in the background art. Disclosure of utility model The utility model aims to provide a flue gas waste heat utilization device of a thermal power plant so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a flue gas waste heat utilization device of thermal power plant, includes loading board, waste heat utilization component and flue gas filtration component, the waste heat utilization component is located the upside position department of loading board, the flue gas filtration component is located one side position department of waste heat utilization component, the waste heat utilization component includes the water tank, the transmission component is installed to the lower extreme of water tank, the upper end of transmission component is provided with the heat exchange plate, the inside of heat exchange plate is provided with the heat exchange tube, the flue gas filtration component includes the flue gas filtration jar, the inside of flue gas filtration jar is provided with the bull stick, the inside one end position department of flue gas filtration jar is provided with the filter, the outside of bull stick is provided with scrapes grey component, the outside of bull stick is located one side position department of filter and is provided with first mounting panel, one side of first mounting panel is provided with the brush hair, the downside of flue gas filtration jar is provided with dust collecting box, one side of water tank is provided with the air duct, one side of air duct is provided with first coupling hose, the opposite side of water tank is provided with the blast pipe, one side of blast pipe is provided with the second coupling hose, the upside of charging pipe is provided with the flue gas filtration jar, the flue gas filtration jar is provided with the filter. As still further aspects of the utility model: the transmission component comprises a sliding frame, a third mounting plate is arranged at the lower end of the sliding frame, a rotary table is arranged at the rear side of the third mounting plate, an eccentric rod is arranged at the position of the outer end of the rear side of the rotary table, a sliding block is arranged at the outer side of the sliding frame, a first sliding rod is arranged at the upper side of the sliding block, a slip guiding ring is arranged at the outer side of the first sliding rod, a second transmission motor is arranged at the position of the front side of the third mounting plate corresponding to