Ship tail gas waste heat temperature difference energy recovery equipment

Abstract

The invention discloses a ship tail gas waste heat temperature difference energy recovery device which is applied to the technical field of waste energy utilization, and is characterized in that the ship tail gas waste heat temperature difference energy recovery device comprises a terminal, an energy recovery system, a monitoring system, a heat exchange system and a power generation system, and the energy recovery system, the monitoring system, the heat exchange system and the power generation system are in communication connection with the terminal; the energy recovery system comprises a deck and a tail gas collection pipe arranged on the deck, the end of the tail gas collection pipe is connected with an installation pipe through an installation mechanism, a heat collection box is arranged at the end, away from the tail gas collection pipe, of the installation pipe, a water cooling pipe is arranged in the waste heat collection box, and a thermoelectric power generation piece is installed on the water cooling pipe. A water inlet pipe and a water outlet pipe which communicate with the water cooling pipe are installed outside the waste heat collecting box. The device has the technical effect that the heat energy can be conveniently and quickly recovered and reutilized.

Description

Technical Field

[0001] The invention relates to the technical field of waste energy utilization, and in particular to a ship exhaust waste heat temperature difference energy recovery device. Background Art

[0002] Ships are man-made vehicles that mainly operate in geographical waters. In addition, civilian ships are generally called ships, military ships are called warships, and small ships are called boats or boats. They are generally called ships or boats. The interior mainly includes accommodation space, support structure and drainage structure, and has a propulsion system that uses external or self-contained energy. The appearance is generally a streamlined envelope that is conducive to overcoming fluid resistance. The materials are constantly updated with the advancement of science and technology. In the early days, they were natural materials such as wood, bamboo, and hemp. In modern times, they are mostly steel, aluminum, fiberglass, acrylic and various composite materials.

[0003] The Chinese patent publication number CN116505800A is a water-cooled temperature difference power generation equipment that utilizes the waste heat of ship diesel engine flue gas, including a water-cooled heat exchanger, a conduit, a water pump, an exhaust gas collection pipe, a temperature difference power generation sheet, a heat exchange water tank, a voltage stabilizing circuit and a lithium battery; four temperature difference power generation sheets are symmetrically arranged on each side of the exhaust gas collection pipe; the output electric energy of the temperature difference power generation sheet is stored in the lithium battery after being stabilized by the voltage stabilizing circuit; the outside of the temperature difference power generation sheet is a water-cooled heat exchanger; the inlet and outlet of the water-cooled heat exchanger are connected in series through a conduit; the water-cooled heat exchanger, the conduit, the water pump and the heat exchange water tank form a water-cooled waterway; the heat exchange water tank is placed below the water surface of the ship, and when the ship moves, the heat exchange structure outside the heat exchange water tank is used to exchange heat with the water body to cool the internal water. The present invention utilizes the waste heat of ship diesel engine flue gas, and converts heat energy into electric energy through a temperature difference power generation device; compared with other equipment, the present invention has more advantages in terms of electric energy output stability, equipment service life, low temperature applicability and equipment reliability.

[0004] With regard to the waste energy utilization device in the above-mentioned existing technology, the waste heat in the exhaust gas is only utilized by the thermoelectric power generation sheet to realize the conversion of thermal energy, but part of the waste heat in the exhaust gas is still not utilized, and in a cold environment, the deck of the ship is prone to ice formation and needs to be de-iced. Summary of the invention

[0005] The purpose of the present invention is to provide a ship exhaust waste heat temperature difference energy recovery device, which has the advantages of: convenient and fast realization of heat energy recovery and reuse.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: a ship exhaust waste heat temperature difference energy recovery device, including an energy recovery system, a monitoring system, a heat exchange system and a power generation system connected to the terminal by communication; The energy recovery system is used to recover the waste heat of the exhaust gas. The energy recovery system includes a deck and an exhaust gas collecting pipe arranged on the deck. The end of the exhaust gas collecting pipe is connected to a mounting pipe through a mounting mechanism. A waste heat collection box is arranged at one end of the mounting pipe away from the exhaust gas collecting pipe. A water cooling pipe is arranged in the waste heat collection box. A temperature difference power generation sheet is installed on the water cooling pipe. A water inlet pipe and a water outlet pipe connected to the water cooling pipe are respectively installed on the outside of the waste heat collection box. The monitoring system is used to monitor the gas flow rate in the tail gas collection pipe, and the monitoring system is arranged on the tail gas collection pipe; The heat exchange system is used to use the recovered waste heat to melt ice cubes, and the heat exchange system is communicatively connected to a deicing device; The power generation system is used to generate electricity by utilizing waste heat from exhaust gas, and the power generation system is electrically connected to power equipment arranged on the ship.

[0007] The present invention is further configured as follows: the end of the water outlet pipe is connected to a water storage tank, the water storage tank is placed on the deck, the water outlet pipe is fixedly connected to a water outlet pump, the deck is connected to a transverse plate through a de-icing device, a water spray pipe is provided in the transverse plate, the water spray pipe passes through the outside of the transverse plate and is connected to a plurality of nozzles, and a water pump is connected between the water spray pipe and the water storage tank, and a water pump is fixedly connected to the water pump.

[0008] Through the above technical solution, the exhaust gas discharged from the exhaust gas collection pipe is discharged into the waste heat collection box through the installation pipe. The temperature difference power generation sheet generates electricity based on the temperature difference between the water cooling pipe and the hot gas. Then the water cooling pipe reacts with the waste heat through the heat exchange principle to recover the waste heat. At this time, the hot water is pumped into the water storage tank through the water outlet pump. When the deck needs to be de-iced, the water pump is driven to pump the hot water into the water spray pipe, and then the hot water is sprayed onto the deck through the nozzle, so that the ice on the deck melts, thereby realizing the convenient and quick recovery and reuse of heat energy.

[0009] The present invention is further configured as follows: the de-icing device includes an electric motor fixedly connected to the deck, a ball screw is coaxially connected to the output end of the electric motor, a screw sleeve is threadedly connected to the ball screw, and the screw sleeve is connected to the cross plate.

[0010] The present invention is further configured as follows: the mounting mechanism comprises a fixing plate mounted on both sides of the mounting tube, a guide groove is provided on the bottom side of the fixing plate along the length direction, a guide block is slidably connected in the guide groove, a clamp is installed at the bottom of the guide block, a pad is provided on the opposite side of the two clamps, a locking screw is penetrated and connected on the two pads, and a nut is threadedly connected on the locking screw.

[0011] The present invention is further configured as follows: a filter screen is connected to the installation pipe connection in the waste heat collection box through a disassembly and assembly mechanism, the disassembly and assembly mechanism includes a tension spring installed in the waste heat collection box, a draw hook is connected to the end of the tension spring, and a fixing ring hung with the draw hook is connected to the filter screen.

[0012] The present invention is further configured as follows: the disassembly and assembly mechanism also includes a plug plate connected to the filter net, a slot matching the plug plate is opened in the waste heat collection box, and a first magnetic strip is arranged on the side of the plug plate opposite to the slot, and a second magnetic strip magnetically coupled to the first magnetic strip is connected to the bottom wall of the slot.

[0013] The present invention is further configured as follows: a flue gas treatment box is installed on the waste heat collection box, an air inlet pipe is connected between the waste heat collection box and the flue gas treatment box, a liquid storage tank is arranged on the flue gas treatment box, a liquid extraction pipe is connected between the liquid storage tank and the flue gas treatment box, a liquid extraction pump is fixedly connected to the liquid extraction pipe, a driving motor is fixedly connected to the top side of the flue gas treatment box, a rotating shaft is coaxially connected to the output end of the driving motor, a stirring rod is symmetrically connected to the rotating shaft along the height direction, and an air outlet pipe is connected to the top side of the flue gas treatment box.

[0014] The present invention is further configured as follows: a first insulation board is arranged on the outside of the water storage tank, the first insulation board is surrounded by insulation cotton, and a second insulation board is fixedly connected to the inside of the water storage tank.

[0015] In summary, the present invention has the following beneficial effects: the exhaust gas discharged from the exhaust gas collection pipe is discharged into the waste heat collection box through the installation pipe, and the temperature difference power generation sheet generates electricity based on the temperature difference between the water cooling pipe and the hot gas. Then the water cooling pipe reacts with the waste heat through the heat exchange principle to recover the waste heat. At this time, the hot water is pumped into the water storage tank through the water outlet pump. When the deck needs to be de-iced, the water pump is driven to pump the hot water into the water spray pipe, and then the hot water is sprayed onto the deck through the nozzle, so that the ice on the deck melts, thereby realizing the convenient and quick recovery and reuse of heat energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of this embodiment; Figure 2 is a top view schematic diagram of this embodiment; Figure 3 It is a front view schematic diagram of this embodiment; Figure 4 yes Figure 3 Enlarged view of part A in the middle; Figure 5 This is a schematic diagram of the connection between the sprinkler head and the sprinkler pipe used in this embodiment; Figure 6 It is a system framework diagram of this embodiment.

[0017] Reference numerals: 1, deck; 2, exhaust gas collection pipe; 3, mounting pipe; 4, waste heat collection box; 5, fixing plate; 6, guide groove; 7, guide block; 8, clamp; 9, pad; 10, locking screw; 11, nut; 12, filter screen; 13, fixing ring; 14, hook; 15, tension spring; 16, slot; 17, plug plate; 18, first magnetic strip; 19, second magnetic strip; 20, water cooling pipe; 21, water inlet pipe; 22, water outlet pipe; 2 3. Flue gas treatment box; 24. Air inlet pipe; 25. Liquid storage tank; 26. Liquid extraction pipe; 27. Liquid extraction pump; 28. Driving motor; 29. ​​Rotating shaft; 30. Agitating rod; 31. Water outlet pump; 32. Water storage tank; 33. First insulation board; 34. Second insulation board; 35. Insulation cotton; 36. Motor; 37. Ball screw; 38. Screw sleeve; 39. Cross plate; 40. Water spray pipe; 41. Nozzle; 42. Water extraction pipe; 43. Water extraction pump. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0019] Example: Refer to Figure 1-6 As shown, a ship exhaust waste heat temperature difference energy recovery device includes an energy recovery system, a monitoring system, a heat exchange system and a power generation system connected to each other by terminal communication. The energy recovery system is used to recover the waste heat of the exhaust gas. The energy recovery system includes a deck 1 and an exhaust gas collecting pipe 2 arranged on the deck 1. The end of the exhaust gas collecting pipe 2 is connected to a mounting pipe 3 through a mounting mechanism. The end of the mounting pipe 3 away from the exhaust gas collecting pipe 2 is provided with a waste heat collection box 4. A water cooling pipe 20 is arranged in the waste heat collection box 4. A temperature difference power generation sheet is installed on the water cooling pipe 20. A water inlet pipe 21 and a water outlet pipe 22 connected to the water cooling pipe 20 are respectively installed on the outside of the waste heat collection box 4. The monitoring system is used to monitor the gas flow in the exhaust gas collecting pipe 2. Speed, the monitoring system is arranged on the exhaust gas collecting pipe 2, the heat exchange system is used to use the recovered waste heat for ice melting, the heat exchange system is connected to the deicing device, the power generation system is used to generate electricity by using the waste heat of the exhaust gas, and the power generation system is electrically connected to the power equipment arranged on the ship; the end of the water outlet pipe 22 is fixedly connected to the water storage tank 32, the water storage tank 32 is placed on the deck 1, the water outlet pipe 22 is fixedly connected to the water outlet pump 31, the deck 1 is connected to the transverse plate 39 through the deicing device, the transverse plate 39 is installed with a water spray pipe 40, the water spray pipe 40 passes through the transverse plate 39 and is connected to a plurality of nozzles 41, and a water pump 42 is connected between the water spray pipe 40 and the water storage tank 32, and a water pump 43 is fixedly connected to the water pump 42; Specifically, the exhaust gas discharged from the exhaust gas collection pipe 2 is discharged into the waste heat collection box 4 through the installation pipe 3. The temperature difference power generation sheet generates electricity based on the temperature difference between the water cooling pipe 20 and the hot gas. Then the water cooling pipe 20 reacts with the waste heat through the heat exchange principle to recover the waste heat. At this time, the hot water is pumped into the water storage tank 32 through the water outlet pump 31. When the deck 1 needs to be de-iced, the water pump 43 is driven to pump the hot water into the water spray pipe 40, and then the hot water is sprayed onto the deck 1 through the nozzle 41, so that the ice on the deck 1 melts, thereby realizing the convenient and quick recovery and reuse of heat energy.

[0020] Furthermore, the de-icing device includes an electric motor 36 fixedly connected to the deck 1, a ball screw 37 is coaxially fixedly connected to the output end of the electric motor 36, a screw sleeve 38 is threadedly connected to the ball screw 37, the screw sleeve 38 is connected to the cross plate 39, the driving motor 36 drives the ball screw 37 to rotate, the ball screw 37 drives the screw sleeve 38 to slide, the screw sleeve 38 drives the cross plate 39 to move, and the cross plate 39 drives the nozzle 41 to reciprocate, so that the nozzle 41 continuously sprays hot water to the ice on the deck 1, thereby achieving a better de-icing effect on the deck 1.

[0021] Furthermore, the installation mechanism includes a fixing plate 5 installed on both sides of the installation tube 3, and a guide groove 6 is opened on the bottom side of the fixing plate 5 along the length direction, and a guide block 7 is slidably connected in the guide groove 6, and a clamp 8 is installed at the bottom of the guide block 7, and a pad 9 is welded on the opposite side of the two clamps 8. A locking screw 10 is penetrated and connected with the two pads 9, and a nut 11 is threadedly connected on the locking screw 10. When the installation tube 3 needs to be installed on the exhaust gas collection pipe 2, the guide block 7 is slid along the guide groove 6 to drive the clamp 8 to move, so that the two pads 9 collide with each other, and then the locking screw 10 is passed through the pad 9, and the nut 11 is put on the locking screw 10 to fix the two clamps 8, and then the installation tube 3 is fixedly connected to the exhaust gas collection pipe 2.

[0022] Furthermore, the waste heat collection box 4 is connected to a filter screen 12 at the connection of the installation pipe 3 through a disassembly mechanism, and the disassembly mechanism includes a tension spring 15 installed in the waste heat collection box 4, and the end of the tension spring 15 is fixedly connected to a hook 14, and a fixing ring 13 connected to the hook 14 is installed on the filter screen 12. The disassembly mechanism also includes a plug plate 17 fixedly connected to the filter screen 12, and a slot 16 matching the plug plate 17 is opened in the waste heat collection box 4, and a first magnetic strip 18 is installed on the side of the plug plate 17 opposite to the slot 16, and a magnetic strip 18 is fixedly connected on the bottom wall of the slot 16. The second magnetic strip 19, which is magnetically coupled with the first magnetic strip 18, can filter out impurities and particles in the exhaust gas through the filter 12. When the filter 12 needs to be installed, pull the tension spring 15 and hang the hook 14 on the fixing ring 13, so that the filter 12 can be conveniently and quickly installed in the waste heat collection box 4. Similarly, the hook 14 can be removed from the fixing ring 13 to conveniently and quickly disassemble the filter 12, and the plug plate 17 can be inserted into the slot 16. The first magnetic strip 18 and the second magnetic strip 19 are magnetically coupled to each other, so that the filter 12 and the waste heat collection box 4 are installed more tightly.

[0023] Furthermore, a flue gas treatment box 23 is installed on the waste heat collection box 4, an air inlet pipe 24 is connected between the waste heat collection box 4 and the flue gas treatment box 23, a liquid storage box 25 is installed on the flue gas treatment box 23, a liquid extraction pipe 26 is connected between the liquid storage box 25 and the flue gas treatment box 23, a liquid extraction pump 27 is fixedly connected to the liquid extraction pipe 26, a driving motor 28 is fixedly connected to the top side of the flue gas treatment box 23, a rotating shaft 29 is coaxially connected to the output end of the driving motor 28, a stirring rod 30 is symmetrically connected to the rotating shaft 29 along the height direction, an air outlet pipe is connected to the top side of the flue gas treatment box 23, when the tail gas needs to be treated, the tail gas enters the flue gas treatment box 23, and the liquid storage box 2 is pumped into the liquid storage box 23 by the liquid extraction pump 27. 5, the disinfectant in the flue gas treatment box 23 is pumped into the flue gas treatment box 23. At this time, the driving motor 28 drives the rotating shaft 29 to rotate, and the rotating shaft 29 drives the stirring rod 30 to rotate. The stirring rod 30 stirs the disinfectant, so that the disinfectant and the exhaust gas are mixed more fully, and then the toxic impurities in the exhaust gas treatment are treated more cleanly. The treated exhaust gas is discharged to the outside through the exhaust pipe. A first insulation board 33 is arranged on the outside of the water storage tank 32, and the first insulation board 33 is surrounded by insulation cotton 35. A second insulation board 34 is fixedly connected to the inside of the water storage tank 32. Hot water is pumped into the water storage tank 32. The first insulation board 33 and the second insulation board 34 have a heat preservation effect on the hot water, and the heat preservation cotton 35 then has a heat preservation effect on the hot water.

[0024] Operation steps: the exhaust gas discharged from the exhaust gas collection pipe 2 is discharged into the waste heat collection box 4 through the installation pipe 3. The temperature difference power generation sheet generates electricity based on the temperature difference between the water cooling pipe 20 and the hot gas. Then the water cooling pipe 20 reacts with the waste heat through the heat exchange principle to recover the waste heat. At this time, the hot water is pumped into the water storage tank 32 through the water outlet pump 31. When it is necessary to de-ice the deck 1, the water pump 43 is driven to pump the hot water into the water spray pipe 40, and then the hot water is sprayed onto the deck 1 through the nozzle 41, so that the ice on the deck 1 melts, and the heat energy recovery and reuse is realized conveniently and quickly. The driving motor 36 drives the ball screw 37 to rotate, the ball screw 37 drives the screw sleeve 38 to slide, the screw sleeve 38 drives the cross plate 39 to move, and the cross plate 39 drives the nozzle 41 to move back and forth, so that the nozzle 41 continuously sprays hot water to the ice on the deck 1, thereby achieving a better de-icing effect on the deck 1.

[0025] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A ship exhaust waste heat temperature difference energy recovery device, characterized in that: It includes an energy recovery system, a monitoring system, a heat exchange system and a power generation system connected to the terminals by communication; The energy recovery system is used to recover waste heat from exhaust gas. The energy recovery system comprises a deck (1) and an exhaust gas collection pipe (2) arranged on the deck (1). The end of the exhaust gas collection pipe (2) is connected to a mounting pipe (3) via a mounting mechanism. A waste heat collection box (4) is arranged at one end of the mounting pipe (3) away from the exhaust gas collection pipe (2). A water cooling pipe (20) is arranged inside the waste heat collection box (4). A temperature difference power generation sheet is installed on the water cooling pipe (20). A water inlet pipe (21) and a water outlet pipe (22) connected to the water cooling pipe (20) are respectively installed outside the waste heat collection box (4). The monitoring system is used to monitor the gas flow rate in the tail gas collection pipe (2), and the monitoring system is arranged on the tail gas collection pipe (2); The heat exchange system is used to use the recovered waste heat to melt ice cubes, and the heat exchange system is communicatively connected to a deicing device; The power generation system is used to generate electricity by utilizing waste heat from exhaust gas, and the power generation system is electrically connected to power equipment arranged on the ship.

2. A ship exhaust waste heat temperature difference energy recovery device according to claim 1, characterized in that: The end of the water outlet pipe (22) is connected to a water storage tank (32), and the water storage tank (32) is placed on the deck (1). The water outlet pipe (22) is fixedly connected to a water outlet pump (31). The deck (1) is connected to a transverse plate (39) via a de-icing device. A water spray pipe (40) is provided inside the transverse plate (39). The water spray pipe (40) passes through the transverse plate (39) and is connected to a plurality of nozzles (41). A water pump (42) is connected between the water spray pipe (40) and the water storage tank (32), and a water pump (43) is fixedly connected to the water pump pipe (42).

3. The ship exhaust waste heat temperature difference energy recovery device according to claim 1 is characterized by: The de-icing device comprises an electric motor (36) fixedly connected to the deck (1); a ball screw (37) is coaxially connected to the output end of the electric motor (36); a screw sleeve (38) is threadedly connected to the ball screw (37); and the screw sleeve (38) is connected to a transverse plate (39).

4. The ship exhaust waste heat temperature difference energy recovery device according to claim 1, characterized in that: The mounting mechanism comprises a fixing plate (5) mounted on both sides of the mounting tube (3), a guide groove (6) is provided on the bottom side of the fixing plate (5) along the length direction, a guide block (7) is slidably connected in the guide groove (6), a clamp (8) is installed at the bottom of the guide block (7), a pad (9) is provided on the opposite side of the two clamps (8), a locking screw (10) is penetrated and connected to the two pads (9), and a nut (11) is threadedly connected to the locking screw (10).

5. The ship exhaust waste heat temperature difference energy recovery device according to claim 1, characterized in that: The waste heat collection box (4) is connected to a filter screen (12) at a connection point with the installation pipe (3) via a disassembly and assembly mechanism, the disassembly and assembly mechanism comprising a tension spring (15) installed in the waste heat collection box (4), the end of the tension spring (15) being connected to a draw hook (14), and the filter screen (12) being connected to a fixing ring (13) hooked to the draw hook (14).

6. The ship exhaust waste heat temperature difference energy recovery device according to claim 4, characterized in that: The disassembly and assembly mechanism also includes a plug plate (17) connected to the filter screen (12); a slot (16) matching the plug plate (17) is provided in the waste heat collection box (4); a first magnetic strip (18) is provided on a side of the plug plate (17) opposite to the slot (16); and a second magnetic strip (19) magnetically coupled to the first magnetic strip (18) is connected to the bottom wall of the slot (16).

7. The ship exhaust waste heat temperature difference energy recovery device according to claim 1, characterized in that: A flue gas treatment box (23) is installed on the waste heat collection box (4), an air inlet pipe (24) is connected between the waste heat collection box (4) and the flue gas treatment box (23), a liquid storage box (25) is arranged on the flue gas treatment box (23), a liquid extraction pipe (26) is connected between the liquid storage box (25) and the flue gas treatment box (23), a liquid extraction pump (27) is fixedly connected to the liquid extraction pipe (26), a driving motor (28) is fixedly connected to the top side of the flue gas treatment box (23), a rotating shaft (29) is coaxially connected to the output end of the driving motor (28), a stirring rod (30) is symmetrically connected to the rotating shaft (29) along the height direction, and an air outlet pipe is connected to the top side of the flue gas treatment box (23).

8. The ship exhaust waste heat temperature difference energy recovery device according to claim 1, characterized in that: A first insulation board (33) is arranged on the outside of the water storage tank (32), and the first insulation board (33) is surrounded by insulation cotton (35). A second insulation board (34) is fixedly connected to the inside of the water storage tank (32).

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