CN111594863A

CN111594863A - Heating and ventilating device for coupling flue gas waste heat with phase change heat storage

Info

Publication number: CN111594863A
Application number: CN202010496388.4A
Authority: CN
Inventors: 龚雪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-08-28

Abstract

The invention discloses a heating and ventilating device for coupling flue gas waste heat with phase change heat storage, which comprises a flue gas waste heat absorption device, wherein the top of the flue gas waste heat absorption device is provided with a heat storage device, and the bottom of the flue gas waste heat absorption device is provided with an air preheating device; realize the purpose of automatic supplementary liquid water through liquid level control device, degree of automation is high, workman's work load has been reduced, through air preheating device, scrape grey device, a drive arrangement, aerating device, pressure relief device's cooperation, make this flue gas waste heat coupling phase change heat accumulation's heating and ventilation device can clear up the adhesion layer of heat transfer slab surface formation automatically, with this guarantee that the heat transfer slab can carry out the heat exchange with very high heat conduction efficiency, the utilization ratio of high temperature flue gas waste heat has been increased, the high-usage rate of the energy, the frequency that people carried out the clearance to flue gas waste heat absorbing device has been reduced simultaneously, the time of continuous use is longer, this flue gas waste heat coupling phase change heat accumulation's heating and ventilation device's practicality has been improved.

Description

Heating and ventilating device for coupling flue gas waste heat with phase change heat storage

Technical Field

The invention relates to the field of heating and ventilating devices for coupling flue gas waste heat with phase change heat storage, in particular to a heating and ventilating device for coupling flue gas waste heat with phase change heat storage.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place for burning the fuel, the boiler comprises a boiler and a boiler, hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electric energy through a generator, the boiler for providing the hot water is called a hot water boiler and is mainly used for life, a small amount of application is realized in industrial production, the boiler for generating the steam is called a steam boiler, the boiler is often called a boiler for short, and is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises, the boiler can generate a large amount of high-temperature flue gas in the use process, and the, the heat in the flue gas needs to be recycled, when the heat in the high-temperature flue gas is recycled, the high-temperature flue gas is firstly discharged into a hot water boiler for heat exchange, the waste heat of the high-temperature flue gas is used for heating water in the hot water boiler, the water is evaporated to form water vapor, the water vapor is introduced into an indoor gas-gas heat exchanger through a pipeline and used for supplying heat to the indoor space, so that the purpose of recycling the waste heat in the high-temperature flue gas is achieved, then the cooled flue gas is introduced into a dust collecting device for dust removal, and finally the flue gas after dust removal is discharged into the atmosphere.

However, at the in-process that carries out the heat exchange in letting in the hot water boiler with high temperature flue gas, the inside fuel ash content of high temperature flue gas, the coal cinder, material such as oil drop and pyrolysis product can the adhesion at the heat transfer slab on the surface, along with the extension of live time, the adhesion layer thickness that the heat transfer slab surface formed increases gradually, lead to the heat conduction efficiency of heat transfer slab to reduce, and then lead to the utilization ratio of high temperature flue gas waste heat to reduce gradually, cause the extravagant problem of the energy, consequently, need to design a heating and ventilation device of flue gas waste heat coupling phase transition heat accumulation urgently.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a heating and ventilation device for coupling flue gas waste heat with phase change heat storage, which can solve the problems in the prior art that in the process of introducing high-temperature flue gas into a hot water boiler for heat exchange, substances such as fuel ash, coal particles, oil drops and high-temperature cracking products in the high-temperature flue gas can be adhered to the surface of a heat exchange plate, the thickness of an adhesive layer formed on the surface of the heat exchange plate is gradually increased along with the prolonging of the service time, the heat conduction efficiency of the heat exchange plate is reduced, the utilization rate of the high-temperature flue gas waste heat is gradually reduced, and the energy waste is caused.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The heating and ventilation device comprises a flue gas waste heat absorption device, wherein a heat storage device is arranged at the top of the flue gas waste heat absorption device, and an air preheating device is arranged at the bottom of the flue gas waste heat absorption device.

Preferably, residual heat from flue gas absorbing device includes outer box, it has the flue gas to go into the pipe to fix pegging graft on the right-hand member face of outer box, it has the flue gas exit tube to fix pegging graft on the left end face of outer box, the inside of outer box is equipped with interior box, the right-hand member of interior box and the fixed intercommunication of the left end of flue gas income pipe, the left end of interior box and the fixed intercommunication of the right-hand member of flue gas exit tube, fixedly connected with heat transfer plate between the upper and lower two sides of interior box inner chamber, the outside of heat transfer plate is equipped with scrapes grey device, it has a sealed section of thick bamboo to fix pegging graft on the bottom surface of.

Preferably, the heat accumulation device includes the heat-preserving container, the bottom surface of heat-preserving container and the top surface fixed connection of outer box, and it has the heat conduction pole to fix pegging graft on the bottom surface of heat-preserving container, the bottom of heat conduction pole extend to the inside of interior box and with the top surface fixed connection of heat transfer slab, the bottom mounting of heat-preserving container left surface is pegged graft and is had the outlet pipe, is fixed the intercommunication on the top surface of heat-preserving container to have atmospheric pressure relief valve and steam outlet pipe, is equipped with liquid level control device on the right flank of heat-preserving.

Preferably, the air preheating device comprises an insulation can, the top surface of the insulation can is fixedly connected with the bottom surface of the outer box body, a sealing cylinder is fixedly inserted on the top surface of the insulation can, a driving device is arranged on the top surface of the inner cavity of the insulation can, the inner wall of the insulation can is fixedly connected with a partition board, an inflating device and a pressure relief device are arranged on the partition board, an air pressure chamber is enclosed by the inner wall of the insulation can and the bottom surface of the partition board, a fixing sleeve is fixedly inserted on the partition board, the bottom end of the fixing sleeve is fixedly communicated with the air pressure chamber, a piston rod is movably inserted in the fixing sleeve, the top end of the piston rod penetrates through the sealing cylinder and extends into the inner box body, a piston column is fixedly connected with the bottom end of the piston rod, the piston column is slidably connected with the inner wall of the fixing sleeve, a restoring spring, the right side surface of the heat preservation box is fixedly communicated with a blowing fan, and the left side surface of the heat preservation box is fixedly communicated with a blowing pipe.

Preferably, scrape grey device and include the lifter plate, the tip fixed connection of the surface of lifter plate and piston rod, first draw-in groove has been seted up on the top surface of lifter plate, the second draw-in groove has been seted up on the bottom surface of lifter plate, first draw-in groove and second draw-in groove alternate distribution, first draw-in groove all with heat transfer board piece looks adaptation with the second draw-in groove, heat transfer board piece activity joint is in the inside of first draw-in groove and second draw-in groove, the lifter plate fixedly connected with right triangle strip on the surface, the cushion chamber has been seted up to the inside of right triangle strip, the underrun of cushion chamber inner chamber is connected with the direction piston through compression spring transmission, the inner wall sliding connection of direction piston and cushion chamber, the another side fixedly connected with scraper of direction piston, the other end of scraper extends to the outside of right triangle strip and with.

Preferably, the liquid level control device comprises a flow intercepting block, a water inlet pipe is fixedly inserted and connected onto the top end of the flow intercepting block, the left end of the water inlet pipe is fixedly communicated with the heat-insulating barrel, a fixed cavity is formed inside the flow intercepting block, a conical hole is formed in the top surface of the inner cavity of the fixed cavity, the bottom surface of the inner cavity of the fixed cavity is connected with a pressure applying plate through a pressure applying spring in a transmission manner, the pressure applying plate is connected with the inner wall of the fixed cavity in a sliding manner, a conical flow intercepting head is fixedly connected onto the top surface of the pressure applying plate and is in contact connection with the inner wall of the conical hole, a liquid storage chamber positioned below the fixed cavity is formed inside the flow intercepting block, an overflow pipe and a communication pipe which are fixedly communicated with the liquid storage chamber are fixedly inserted and connected onto the left side surface of the flow intercepting block, the left ends of the overflow pipe and the communication pipe are both fixedly communicated, an elastic sealing pipe is movably sleeved outside the linkage line, the bottom end of the elastic sealing pipe is fixedly sleeved outside the linkage line, and the top end of the elastic sealing pipe is fixedly connected to the top surface of the inner cavity of the liquid storage chamber.

Preferably, drive arrangement includes hollow cylinder, hollow cylinder fixed mounting is on the top surface of insulation can inner chamber, insulation can's surface has steam inlet pipe and steam outlet pipe along the fixed intercommunication of tangential direction above that, steam inlet pipe's the other end extend to insulation can's the outside and with the fixed intercommunication in top of steam outlet pipe, steam outlet pipe's the other end extends to insulation can's the outside, the last activity interlude of hollow cylinder has the rotation axis, the external fixation of rotation axis has cup jointed the turbine leaf that is located hollow cylinder inside, the end fixing of rotation axis has cup jointed the eccentric wheel that is located hollow cylinder outside.

Preferably, the inflation device comprises a fixed air cylinder, the fixed air cylinder is fixedly inserted on the partition plate, the bottom surface of the fixed air cylinder is fixedly connected with the bottom surface of the inner cavity of the insulation can, the bottom of the left side surface of the fixed air cylinder is fixedly communicated with an air outlet one-way valve, the air outlet one-way valve is fixedly communicated with the air pressure chamber, the bottom of the right side surface of the fixed air cylinder is fixedly communicated with an air inlet one-way valve, the other end of the air inlet one-way valve is fixedly inserted on the partition plate, the bottom surface of the inner cavity of the fixed air cylinder is connected with an air suction piston through a jacking spring in a transmission mode, the top surface of the air suction piston is fixedly connected with a jacking plate, the top end of the jacking plate extends to the outside of the fixed air cylinder and corresponds to an eccentric wheel, a clamping groove is formed in.

Preferably, the pressure relief device comprises a pressure relief block, the bottom surface of the pressure relief block is fixedly connected with the top surface of the partition plate, a pressure relief cavity is formed inside the pressure relief block, the left side surface of the inner cavity of the pressure relief cavity is connected with a strain piston through a reset spring in a transmission manner, the strain piston is connected with the inner wall of the pressure relief cavity in a sliding manner, the right side surface of the strain piston is fixedly connected with an equilateral triangle plate, the bottom surface of the equilateral triangle plate is provided with a limiting groove, the top surface of the pressure relief block is provided with a pressure relief hole fixedly communicated with the pressure relief cavity, the left side surface of the pressure relief block is fixedly inserted with a constant pressure pipe, the bottom end of the constant pressure pipe is fixedly inserted on the partition plate and fixedly communicated with the air pressure chamber, the other end of the constant pressure pipe is fixedly communicated with the pressure relief cavity, a strain pipe is fixedly inserted on the bottom surface of the pressure relief block, the bottom end of the strain, the sealing piston is connected with the inner wall of the strain tube in a sliding mode, the clamping connector is fixedly connected to the top surface of the sealing piston, the top end of the clamping connector extends to the inside of the pressure relief cavity and is matched with the limiting groove, and the bottom surface of the strain tube is provided with a constant pressure hole.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the smoke waste heat absorption device absorbs the waste heat in the high-temperature smoke, so that the smoke waste heat absorption device can heat the heat storage device, the purpose of recovering the waste heat of the high-temperature smoke is realized, the liquid level control device realizes the purpose of automatically supplementing liquid water without artificially supplementing liquid water to the interior of the heat storage device, the automation degree is high, the workload of workers is reduced, the heating and ventilation device for coupling smoke waste heat and phase change heat storage can automatically clean an adhesive layer formed on the surface of a heat exchange plate through the cooperation of the air preheating device, the ash scraping device, the driving device, the inflating device and the pressure relief device, so that the heat exchange plate can exchange heat with high heat conduction efficiency, the utilization rate of the high-temperature smoke waste heat is increased, the utilization rate of energy is high, and the frequency of cleaning the smoke waste heat absorption device by people is reduced at the same time, the continuous use time is longer, and the practicability of the heating and ventilation device for coupling the flue gas waste heat with the phase change heat storage is improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of the flue gas waste heat absorption device in FIG. 1 according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the thermal storage device of FIG. 1 according to the present invention;

FIG. 5 is a schematic view showing the internal structure of the air preheating apparatus of FIG. 1 according to the present invention;

FIG. 6 is a schematic structural view of the ash scraping device of FIG. 3 according to the present invention;

FIG. 7 is a top view of the present invention from FIG. 6;

FIG. 8 is a schematic view of the internal structure of the right triangle strip of FIG. 6 according to the present invention;

FIG. 9 is a schematic view of the internal structure of the liquid level control apparatus of FIG. 4 according to the present invention;

FIG. 10 is a schematic view of the driving device shown in FIG. 5 according to the present invention;

FIG. 11 is a schematic view of the internal structure of FIG. 10 according to the present invention;

FIG. 12 is a cross-sectional view taken at A-A of FIG. 11 in accordance with the present invention;

FIG. 13 is a schematic view showing the internal structure of the inflator of FIG. 5 according to the present invention;

FIG. 14 is a schematic view of the internal structure of the pressure relief device of FIG. 5 according to the present invention;

FIG. 15 is a schematic view of the internal structure of the strain tube of FIG. 14 according to the present invention.

The reference numbers in the figures illustrate:

1. a flue gas waste heat absorption device; 11. an outer case; 12. introducing flue gas into a pipe; 13. a flue gas outlet pipe; 14. an inner box body; 15. a heat exchange plate; 16. a sealing cylinder; 2. a heat storage device; 21. a heat-preserving barrel; 22. a heat conducting rod; 23. a water outlet pipe; 24. a pneumatic safety valve; 25. a vapor outlet pipe; 3. an air preheating device; 30. a heat preservation box; 31. an air pressure chamber; 32. a separator plate; 33. fixing the sleeve; 34. a piston rod; 35. a piston post; 36. a restoring spring; 37. a blower fan; 38. a blowpipe; 4. a dust scraping device; 41. a lifting plate; 42. a first card slot; 43. a second card slot; 44. a right triangle strip; 45. a buffer chamber; 46. a compression spring; 47. a pilot piston; 48. a scraper; 5. a liquid level control device; 500. a water inlet pipe; 501. a flow interception block; 502. a fixed cavity; 503. a tapered hole; 504. a pressure applying spring; 505. pressing a disc; 506. a conical cutoff head; 507. a liquid storage chamber; 508. an overflow pipe; 509. a communicating pipe; 510. a linkage line; 511. a force application ball; 512. an elastic sealing tube; 6. a drive device; 61. a hollow cylinder; 62. a steam inlet pipe; 63. a steam outlet pipe; 64. a rotating shaft; 65. a steam turbine blade; 66. an eccentric wheel; 7. an inflator; 71. fixing the inflator; 72. an air outlet one-way valve; 73. an air inlet check valve; 74. a jacking spring; 75. a suction piston; 76. a jacking plate; 77. clamping the groove; 78. positioning rollers; 8. a pressure relief device; 801. releasing the pressure block; 802. a pressure relief cavity; 803. a return spring; 804. a strain piston; 805. an equilateral triangle plate; 806. a limiting groove; 807. a pressure relief vent; 808. a constant pressure tube; 809. a strain tube; 810. a compensation spring; 811. a sealing piston; 812. a clamping head; 813. and (4) constant pressure holes.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-15, a heating and ventilation device using flue gas waste heat coupling phase change heat storage includes a flue gas waste heat absorption device 1, a heat storage device 2 is disposed on the top of the flue gas waste heat absorption device 1, and an air preheating device 3 is disposed on the bottom of the flue gas waste heat absorption device 1.

Flue gas waste heat absorbing device 1 includes outer box 11, it has flue gas income pipe 12 to fix pegging graft on the right-hand member face of outer box 11, it has flue gas exit tube 13 to fix pegging graft on the left end face of outer box 11, the other end and the fixed intercommunication of collection dirt equipment of flue gas exit tube 13, the inside of outer box 11 is equipped with interior box 14, the right-hand member of interior box 14 and the fixed intercommunication of the left end that the flue gas is gone into pipe 12, the left end of interior box 14 and the fixed intercommunication of the right-hand member of flue gas exit tube 13, fixedly connected with heat transfer sheet 15 between the upper and lower two sides of interior box 14 inner chamber, heat transfer sheet 15 is located the one side of first draw-in groove 42 and second draw-in groove 43 opening part and the inner wall fixed connection of interior box 14, be formed with S type air flue between heat transfer sheet 15 and the interior box 14 inner wall, heat transfer sheet 15' S outside is equipped with scrapes grey device 4.

Heat accumulation device 2 includes heat-preserving container 21, heat-preserving container 21's bottom surface and the top surface fixed connection of outer box 11, it has heat conduction pole 22 to fix pegging graft on heat-preserving container 21's the bottom surface, heat conduction pole 22's bottom extend to interior box 14 inside and with the top surface fixed connection of heat transfer slab 15, the bottom mounting of heat-preserving container 21 left surface is pegged graft and is had outlet pipe 23, it has atmospheric pressure relief valve 24 and steam outlet pipe 25 to fix the intercommunication on heat-preserving container 21's the top surface, be equipped with level control device 5 on heat-preserving container 21's the right flank.

The air preheating device 3 comprises an insulation box 30, the top surface of the insulation box 30 is fixedly connected with the bottom surface of the outer box body 11, a sealing cylinder 16 is fixedly inserted on the top surface of the insulation box 30, a driving device 6 is arranged on the top surface of the inner cavity of the insulation box 30, a partition plate 32 is fixedly connected with the inner wall of the insulation box 30, an inflating device 7 and a pressure relief device 8 are arranged on the partition plate 32, an air pressure chamber 31 is enclosed by the inner wall of the insulation box 30 and the bottom surface of the partition plate 32, a fixing sleeve 33 is fixedly inserted on the partition plate 32, the bottom end of the fixing sleeve 33 is fixedly communicated with the air pressure chamber 31, a piston rod 34 is movably inserted in the fixing sleeve 33, the top end of the piston rod 34 penetrates through the sealing cylinder 16 and extends into the inner box body 14, a piston column 35 is fixedly connected with the bottom end of the piston rod 34, the piston, the bottom end of the restoring spring 36 extends to the outside of the fixing sleeve 33 and is fixedly connected with the bottom surface of the inner cavity of the heat preservation box 30, the right side surface of the heat preservation box 30 is fixedly communicated with a blowing fan 37, the left side surface of the heat preservation box 30 is fixedly communicated with a blowing pipe 38, and the other end of the blowing pipe 38 is communicated with the indoor space.

Scrape grey device 4 and include lifter plate 41, the tip fixed connection of lifter plate 41's surface and piston rod 34, first draw-in groove 42 has been seted up on lifter plate 41's the top surface, second draw-in groove 43 has been seted up on lifter plate 41's the bottom surface, first draw-in groove 42 and second draw-in groove 43 distribute in turn, first draw-in groove 42 and second draw-in groove 43 all with heat transfer plate 15 looks adaptation, heat transfer plate 15 activity joint is in the inside of first draw-in groove 42 and second draw-in groove 43, lifter plate 41's fixedly connected with right triangle strip 44 on the surface, cushion chamber 45 has been seted up to the inside of right triangle strip 44, the underrun of cushion chamber 45 inner chamber is connected with guide piston 47 through compression spring 46 transmission, guide piston 47 and the inner wall sliding connection of cushion chamber 45, guide piston 47's another side fixedly connected with scraper 48, scraper 48 extends to the outside of right triangle strip 44 and with heat transfer plate 15.

The liquid level control device 5 comprises a flow intercepting block 501, a water inlet pipe 500 is fixedly inserted and connected on the top end of the flow intercepting block 501, the left end of the water inlet pipe 500 is fixedly communicated with a heat-insulating barrel 21, a fixed cavity 502 is arranged inside the flow intercepting block 501, a tapered hole 503 is arranged on the top surface of the inner cavity of the fixed cavity 502, the bottom surface of the inner cavity of the fixed cavity 502 is in transmission connection with a pressure applying disc 505 through a pressure applying spring 504, the pressure applying disc 505 is in sliding connection with the inner wall of the fixed cavity 502, a tapered flow intercepting head 506 is fixedly connected on the top surface of the pressure applying disc 505, the tapered flow intercepting head 506 is in contact connection with the inner wall of the tapered hole 503, a liquid storage chamber 507 positioned below the fixed cavity 502 is arranged inside the flow intercepting block 501, an overflow pipe 508 and a communicating pipe 509 which are fixedly communicated with the liquid storage chamber 507 are fixedly inserted and connected on the left side surface of the flow intercepting block, the bottom end of the linkage line 510 extends to the inside of the liquid storage chamber 507 and is fixedly connected with a force application ball 511, an elastic sealing tube 512 is movably sleeved outside the linkage line 510, the bottom end of the elastic sealing tube 512 is fixedly sleeved outside the linkage line 510, and the top end of the elastic sealing tube 512 is fixedly connected to the top surface of the inner cavity of the liquid storage chamber 507.

The driving device 6 comprises a hollow cylinder 61, the hollow cylinder 61 is fixedly installed on the top surface of the inner cavity of the heat preservation box 30, a steam inlet pipe 62 and a steam outlet pipe 63 are fixedly communicated with the surface of the heat preservation box 30 along the tangential direction on the surface of the heat preservation box 30, the other end of the steam inlet pipe 62 extends to the outside of the heat preservation box 30 and is fixedly communicated with the top end of the steam outlet pipe 25, the other end of the steam outlet pipe 63 extends to the outside of the heat preservation box 30, the steam outlet pipe 63 is fixedly communicated with an indoor-installed steam-water heat exchanger, a rotating shaft 64 is movably inserted into the hollow cylinder 61, a steam turbine blade 65 positioned inside the hollow cylinder 61 is fixedly sleeved on the outside of the rotating shaft 64, and an eccentric wheel.

The inflating device 7 comprises a fixed air cylinder 71, the fixed air cylinder 71 is fixedly inserted on the partition plate 32, the bottom surface of the fixed air cylinder 71 is fixedly connected with the bottom surface of the inner cavity of the heat insulation box 30, the bottom of the left side surface of the fixed air cylinder 71 is fixedly communicated with an air outlet one-way valve 72, the air outlet one-way valve 72 is fixedly communicated with the air pressure chamber 31, the bottom of the right side surface of the fixed air cylinder 71 is fixedly communicated with an air inlet one-way valve 73, the other end of the air inlet one-way valve 73 is fixedly inserted on the partition plate 32, the bottom surface of the inner cavity of the fixed air cylinder 71 is in transmission connection with an air suction piston 75 through a jacking spring 74, the top surface of the air suction piston 75 is fixedly connected with a jacking plate 76, the top end of the jacking plate 76 extends to the outside of the fixed air cylinder 71 and corresponds to the eccentric wheel 66, the top end of the jacking plate 76 is provided with a.

The pressure relief device 8 comprises a pressure relief block 801, the bottom surface of the pressure relief block 801 is fixedly connected with the top surface of the isolation plate 32, a pressure relief cavity 802 is arranged inside the pressure relief block 801, the left side surface of the inner cavity of the pressure relief cavity 802 is in transmission connection with a strain piston 804 through a return spring 803, the strain piston 804 is in sliding connection with the inner wall of the pressure relief cavity 802, an equilateral triangle plate 805 is fixedly connected on the right side surface of the strain piston 804, a limit groove 806 is arranged on the bottom surface of the equilateral triangle plate 805, a pressure relief hole 807 fixedly communicated with the pressure relief cavity 802 is arranged on the top surface of the pressure relief block 801, a constant pressure pipe 808 is fixedly inserted on the left side surface of the pressure relief block 801, the bottom end of the constant pressure pipe 808 is fixedly inserted on the isolation plate 32 and fixedly communicated with the air pressure chamber 31, the other end of the constant pressure pipe 808 is fixedly communicated with the pressure relief cavity 802, a strain pipe 809 is fixedly inserted on the bottom surface of the pressure, the bottom surface of the inner cavity of the strain tube 809 is connected with a sealing piston 811 through a compensation spring 810 in a transmission manner, the sealing piston 811 is connected with the inner wall of the strain tube 809 in a sliding manner, the top surface of the sealing piston 811 is fixedly connected with a clamping joint 812, the top end of the clamping joint 812 extends into the pressure relief cavity 802 and is matched with the limiting groove 806, and the bottom surface of the strain tube 809 is provided with a constant pressure hole 813.

The working principle is as follows:

firstly, high-temperature flue gas enters an inner box body 14 through a flue gas inlet pipe 12 and flows along an S-shaped air passage formed by enclosing of a heat exchange plate 15 and the inner wall of the inner box body 14, then waste heat in the high-temperature flue gas is transferred to the heat exchange plate 15 to cool the high-temperature flue gas, then the heat exchange plate 15 transfers heat to a heat conduction rod 22, the heat conduction rod 22 heats water in a heat insulation barrel 21 to raise the temperature of the water in the heat insulation barrel 21, then the flue gas enters dust collection equipment through a flue gas outlet pipe 13 to remove dust, then the flue gas after dust removal is discharged into the atmosphere, the temperature of the water in the heat insulation barrel 21 is gradually raised and steam is generated along with the prolonging of heat exchange time of a flue gas waste heat absorption device 1, then a force application ball 511 is gradually exposed from the water, then buoyancy generated by the force application ball 511 is gradually reduced, and then the force application, The pressure applying plate 505 pulls the conical intercepting head 506 to move downwards to conduct the water inlet pipe 500, then water at a water source enters the heat-insulating barrel 21 through the water inlet pipe 500 under the action of pressure, water is supplemented into the heat-insulating barrel 21 until the force applying ball 511 is completely submerged by water again, so that buoyancy borne by the force applying ball 511 is increased, then the pressure applying plate 505 drives the conical intercepting head 506 to move upwards under the action of elasticity of the pressure applying spring 504, the conical intercepting head 506 seals the conical hole 503 to realize interception, thereby controlling the liquid level height of the water in the heat-insulating barrel 21, then steam enters the hollow cylinder 61 through the steam outlet pipe 25 and the steam inlet pipe 62 and pushes the steam impeller 65 to rotate, then the steam enters the steam-water heat exchanger installed in the room through the steam outlet pipe 63 for heating the room, then the steam impeller 65 drives the eccentric wheel 66 to rotate through the rotating shaft 64, and in the process that the long shaft end of the eccentric wheel 66 rotates downwards, the eccentric wheel 66 applies downward pressure to the lifting plate 76 through the positioning roller 78, then the lifting plate 76 pushes the air suction piston 75 to move downward, then the air suction piston 75 extrudes the air in the cavity below the air suction piston 75, then the pressurized air flows into the air pressure chamber 31 through the air outlet one-way valve 72 under the driving of the pressure, so that the air pressure in the air pressure chamber 31 is increased, in the process that the long shaft end of the eccentric wheel 66 rotates from bottom to top, the air suction piston 75 moves upwards under the action of the elastic force of the lifting spring 74, so that negative pressure is formed in the cavity below the air suction piston 75, then the air in the cavity above the isolation plate 32 enters the fixed air cylinder 71 through the air inlet one-way valve 73, so as to achieve the purpose of air suction, and the air pressure in the air pressure chamber 31 is gradually increased, then the piston column 35 drives the lifting plate 41 to move upwards under the pushing of the air pressure, and then the, The buffer cavity 45, the compression spring 46, the guide piston 47 and the scraper 48 move upwards, then the scraper 48 slides upwards on the surface of the heat exchange plate 15 and scrapes off the adhesive layer on the surface of the heat exchange plate 15, then the high-pressure gas inside the gas pressure chamber 31 acts on the left side surface of the strain piston 804 through the constant pressure pipe 808, then the strain piston 804 is pushed by the gas pressure to carry the equilateral triangle plate 805 to move rightwards, then the equilateral triangle plate 805 preferentially applies downward pushing force to the clamping head 812 to move the clamping head 812 downwards, then the top end of the clamping head 812 is aligned with the limiting groove 806, at this time, the strain piston 804 moves to the position on the right side of the pressure relief hole 807, then the sealing piston 811 drives the clamping head 812 to move upwards under the action of the gas pressure, the end of the clamping head 812 is inserted into the limiting groove 806 for fixing the equilateral triangle plate 805, and further fixing the strain piston, at this time, the scraper 48 moves upward to the highest point, then the high-pressure gas inside the air pressure chamber 31 is exhausted through the constant pressure tube 808, the pressure relief cavity 802 and the pressure relief hole 807, then the air pressure inside the air pressure chamber 31 gradually decreases, then the sealing piston 811 drives the clamping head 812 to move downward under the action of the elastic tension of the compensation spring 810, then the clamping head 812 is separated from the limit groove 806, the limit on the equilateral triangle plate 805 and the strain piston 804 is released, then the strain piston 804 drives the equilateral triangle plate 805 to move leftward under the action of the elastic tension of the return spring 803, then the strain piston 804 moves to the position on the left side of the pressure relief hole 807 to block the pressure relief hole 807, meanwhile, the piston column 35 drives the ash scraping device 4 to move downward through the piston rod 34 under the action of the elastic tension of the return spring 36, and then the scraper 48 below the lifting plate 41 performs reverse scraping operation on the, so reciprocal, the realization strikes off the purpose of operation to 15 surperficial adhesion layers of heat transfer sheet, then opens the fan 37 that blows, and the outdoor new trend of fan 37 drive gets into insulation can 30, then the heat that hollow cylinder 61 radiation came out is absorbed to the new trend, makes the temperature of new trend rise, then the new trend enters into indoorly through blowing pipe 38, takes a breath to indoorly, carries out secondary heating to indoorly simultaneously, can.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a heating and ventilation device of flue gas waste heat coupling phase transition heat accumulation, includes flue gas waste heat absorbing device (1), its characterized in that: the top of the flue gas waste heat absorption device (1) is provided with a heat storage device (2), and the bottom of the flue gas waste heat absorption device (1) is provided with an air preheating device (3).

2. The heating and ventilation device for coupling flue gas waste heat with phase change heat storage as claimed in claim 1, characterized in that: flue gas waste heat absorbing device (1) is including outer box (11), it has flue gas income pipe (12) to fix pegging graft on the right-hand member face of outer box (11), it has flue gas exit tube (13) to fix pegging graft on the left end face of outer box (11), the inside of outer box (11) is equipped with interior box (14), the right-hand member of interior box (14) and the fixed intercommunication of the left end that the pipe (12) was gone into to the flue gas, the left end of interior box (14) and the fixed intercommunication of the right-hand member of flue gas exit tube (13), fixedly connected with heat transfer plate (15) between the upper and lower two of interior box (14) inner chamber, the outside of heat transfer plate (15) is equipped with scrapes grey device (4), it has sealed section of thick bamboo (16) to fix pegging graft on the bottom surface of interior box (14), the bottom of sealed section.

3. The heating and ventilation device for coupling flue gas waste heat with phase change heat storage as claimed in claim 1, characterized in that: heat accumulation device (2) are including heat-preserving container (21), the bottom surface of heat-preserving container (21) and the top surface fixed connection of outer box (11), it has heat conduction pole (22) to fix pegging graft on the bottom surface of heat-preserving container (21), the bottom of heat conduction pole (22) extend to the inside of interior box (14) and with the top surface fixed connection of heat transfer slab (15), the bottom mounting of heat-preserving container (21) left surface is pegged graft and is had outlet pipe (23), it has atmospheric pressure relief valve (24) and steam outlet pipe (25) to fix the intercommunication on the top surface of heat-preserving container (21), be equipped with liquid level control device (5) on the right flank of heat-preserving container (21).

4. The heating and ventilation device for coupling flue gas waste heat with phase change heat storage as claimed in claim 1, characterized in that: the air preheating device (3) comprises an insulation box (30), the top surface of the insulation box (30) is fixedly connected with the bottom surface of an outer box body (11), a sealing cylinder (16) is fixedly inserted on the top surface of the insulation box (30), a driving device (6) is arranged on the top surface of an inner cavity of the insulation box (30), a partition plate (32) is fixedly connected with the inner wall of the insulation box (30), an inflating device (7) and a pressure relief device (8) are arranged on the partition plate (32), an air pressure chamber (31) is enclosed by the inner wall of the insulation box (30) and the bottom surface of the partition plate (32), a fixing sleeve (33) is fixedly inserted on the partition plate (32), the bottom end of the fixing sleeve (33) is fixedly communicated with the air pressure chamber (31), a piston rod (34) is movably inserted in the fixing sleeve (33), and the top end of the piston rod (34) penetrates through the sealing cylinder (16), the bottom fixedly connected with piston post (35) of piston rod (34), piston post (35) and the inner wall sliding connection of fixed sleeve pipe (33), the bottom surface fixedly connected with of piston post (35) resumes spring (36), the bottom of resuming spring (36) extend to the outside of fixed sleeve pipe (33) and with the bottom fixed connection of insulation can (30) inner chamber, fixed intercommunication has blast fan (37) on the right flank of insulation can (30), fixed intercommunication has blowing pipe (38) on the left surface of insulation can (30).

5. The heating and ventilation device for coupling flue gas waste heat with phase change heat storage as claimed in claim 2, characterized in that: the ash scraping device (4) comprises a lifting plate (41), the surface of the lifting plate (41) is fixedly connected with the end part of the piston rod (34), the top surface of the lifting plate (41) is provided with a first clamping groove (42), the bottom surface of the lifting plate (41) is provided with a second clamping groove (43), the first clamping groove (42) and the second clamping groove (43) are alternately distributed, the first clamping groove (42) and the second clamping groove (43) are both matched with the heat exchange plate (15), the heat exchange plate (15) is movably clamped in the first clamping groove (42) and the second clamping groove (43), the surface of the lifting plate (41) is fixedly connected with a right-angled triangle strip (44), the inside of the right-angled triangle strip (44) is provided with a buffer cavity (45), the bottom surface of the inner cavity of the buffer cavity (45) is in transmission connection with a guide piston (47) through a compression spring (46), the guide piston (47) is in sliding connection with the inner wall of the buffer cavity, the other side of the guide piston (47) is fixedly connected with a scraper (48), and the other end of the scraper (48) extends to the outside of the right-angled triangular strip (44) and is connected with the surface of the heat exchange plate (15) in a sliding manner.

6. The heating and ventilation device for coupling flue gas waste heat with phase change heat storage as claimed in claim 3, characterized in that: the liquid level control device (5) comprises a flow intercepting block (501), a water inlet pipe (500) is fixedly inserted and connected onto the top end of the flow intercepting block (501), the left end of the water inlet pipe (500) is fixedly communicated with a heat-insulating barrel (21), a fixed cavity (502) is formed in the flow intercepting block (501), a tapered hole (503) is formed in the top surface of the inner cavity of the fixed cavity (502), the bottom surface of the inner cavity of the fixed cavity (502) is connected with a pressure applying disc (505) through a pressure applying spring (504) in a transmission mode, the pressure applying disc (505) is connected with the inner wall of the fixed cavity (502) in a sliding mode, a tapered flow intercepting head (506) is fixedly connected onto the top surface of the pressure applying disc (505), the tapered flow intercepting head (506) is connected with the inner wall of the tapered hole (503) in a contact mode, a liquid storage chamber (507) located below the fixed cavity (502) is formed in the flow intercepting block (501), an overflow pipe (508) and a communication, the left end of overflow pipe (508) and communicating pipe (509) all with heat-preserving container (21) fixed intercommunication, fixedly connected with gangline (510) on the bottom surface of applying pressure dish (505), the bottom of gangline (510) extends to the inside and fixedly connected with application of force ball (511) of stock solution room (507), the outside activity of gangline (510) is cup jointed flexible sealed tube (512), the fixed cover in the outside of gangline (510) in the bottom of flexible sealed tube (512), the top fixed connection of flexible sealed tube (512) is on the top surface of stock solution room (507) inner chamber.

7. The heating and ventilation device capable of coupling flue gas waste heat with phase change heat storage as claimed in claim 4, characterized in that: drive arrangement (6) are including hollow cylinder (61), hollow cylinder (61) fixed mounting is on the top surface of insulation can (30) inner chamber, the fixed intercommunication of tangential direction on it of surface along insulation can (30) has steam inlet pipe (62) and steam outlet pipe (63), the other end of steam inlet pipe (62) extends to the outside of insulation can (30) and with the fixed intercommunication in top of steam outlet pipe (25), the other end of steam outlet pipe (63) extends to the outside of insulation can (30), activity interlude has rotation axis (64) on hollow cylinder (61), the external fixation of rotation axis (64) has cup jointed steam wheel piece (65) that are located hollow cylinder (61) inside, the end fixing of rotation axis (64) has cup jointed eccentric wheel (66) that are located hollow cylinder (61) outside.

8. The heating and ventilation device capable of coupling flue gas waste heat with phase change heat storage as claimed in claim 4, characterized in that: the inflation device (7) comprises a fixed air cylinder (71), the fixed air cylinder (71) is fixedly inserted on the isolation plate (32), the bottom surface of the fixed air cylinder (71) is fixedly connected with the bottom surface of the inner cavity of the insulation can (30), the bottom of the left side surface of the fixed air cylinder (71) is fixedly communicated with an air outlet one-way valve (72), the air outlet one-way valve (72) is fixedly communicated with the air pressure chamber (31), the bottom of the right side surface of the fixed air cylinder (71) is fixedly communicated with an air inlet one-way valve (73), the other end of the air inlet one-way valve (73) is fixedly inserted on the isolation plate (32), the bottom surface of the inner cavity of the fixed air cylinder (71) is in transmission connection with an air suction piston (75) through a jacking spring (74), the top surface of the air suction piston (75) is fixedly connected with a jacking plate (76), the top end of the jacking plate (76) extends to the outside of the fixed air cylinder (71) and corresponds, the inner wall of the clamping groove (77) is fixedly connected with a positioning roller (78), and the eccentric wheel (66) is movably clamped in the clamping groove (77) and is in contact connection with the positioning roller (78).

9. The heating and ventilation device capable of coupling flue gas waste heat with phase change heat storage as claimed in claim 4, characterized in that: the pressure relief device (8) comprises a pressure relief block (801), the bottom surface of the pressure relief block (801) is fixedly connected with the top surface of the isolation plate (32), a pressure relief cavity (802) is formed in the pressure relief block (801), the left side surface of the inner cavity of the pressure relief cavity (802) is in transmission connection with a strain piston (804) through a reset spring (803), the strain piston (804) is in sliding connection with the inner wall of the pressure relief cavity (802), the right side surface of the strain piston (804) is fixedly connected with an equilateral triangular plate (805), the bottom surface of the equilateral triangular plate (805) is provided with a limiting groove (806), the top surface of the pressure relief block (801) is provided with a pressure relief hole (807) fixedly communicated with the pressure relief cavity (802), the left side surface of the pressure relief block (801) is fixedly inserted with a constant pressure pipe (808), the bottom end of the constant pressure pipe (808) is fixedly inserted in the isolation plate (32) and fixedly communicated with the air pressure chamber (31), and the other end of the constant pressure pipe (, fixed grafting has strain tube (809) on the bottom surface of pressure release piece (801), the bottom of strain tube (809) runs through division board (32) and extends to the inside of barochamber (31), the bottom surface of strain tube (809) inner chamber is connected with sealed piston (811) through compensating spring (810) transmission, sealed piston (811) and the inner wall sliding connection of strain tube (809), fixedly connected with joint (812) on the top surface of sealed piston (811), the top of joint (812) extends to the inside of pressure release chamber (802) and with spacing groove (806) looks adaptation, constant voltage hole (813) have been seted up on the bottom surface of strain tube (809).