Waste heat recovery converter for exhaust pipe of marine diesel engine
By designing a waste heat recovery converter for the exhaust pipe of the ship diesel engine including a filter chamber, a gas storage chamber, a gas pipe, a conversion box and a purification box, the corrosion problem caused by the failure of exhaust gas in the prior art is solved, and the effect of efficient use of waste heat is achieved.
Patent Information
- Application Number
- CN202421567432.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing waste heat recovery converter of the exhaust pipe of the ship diesel engine lacks a preliminary purification structure for exhaust gas, resulting in direct entry of the waste gas into the converter, easily corroding the internal structure, and unable to efficiently utilize waste heat.
A waste heat recovery converter for the exhaust pipe of the marine diesel engine including a filter chamber, a gas storage chamber, a gas pipe, a conversion box and a purification box is designed. The exhaust gas is sent to the filter chamber for dust removal through the pipe joint, and then enters the gas storage chamber and releases heat through the air conduit pipe. The blower in the conversion box heats the air, and the medium pipe heats the liquid. The purification box neutralizes toxic gases through chemical reactions to ensure exhaust gas purification.
Effectively filter and purify waste gas, prevent corrosion, improve the utilization efficiency of waste heat, and ensure environmental protection.
Smart Images

Figure CN222686761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat source conversion, in particular to a waste heat recovery converter for an exhaust pipe of a marine diesel engine. Background Art
[0002] As environmental pollution becomes increasingly serious, people's requirements for environmental protection and resource utilization are also getting higher and higher. At present, the main method for recovering waste heat from ship diesel engine exhaust pipes is to heat the heat-conducting liquid in the heat-conducting pipe to convert it into a heat source to supply marine products for processing and drying on the ship, thereby saving energy. After searching, the application number CN201310542717.4 discloses a ship diesel engine exhaust pipe waste heat recovery converter. It records that it includes a square or circular exhaust cavity structure formed in the overall structure, so that the overall structure has the characteristics of a hollow heat collection source; it is simple and convenient to manufacture and has a good heat conversion effect. The hollow design in the overall structure not only reduces the overall weight, but also improves the overall exhaust, heat collection, and sound insulation performance. However, the above description still has the following defects in actual use: the waste heat recovery converter lacks a structure for preliminary purification of the exhaust gas during use, allowing the exhaust gas to directly enter the converter, which is easy to corrode the internal structure and cannot efficiently utilize the waste heat. Therefore, it is necessary to design a highly practical ship diesel engine exhaust pipe waste heat recovery converter. Utility Model Content
[0003] The purpose of the utility model is to provide a waste heat recovery converter for a marine diesel engine exhaust pipe to solve the problems raised by the above-mentioned background technology.
[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a waste heat recovery converter for a marine diesel engine exhaust pipe, comprising a pipe joint, one end of which is provided with a filter chamber, the other side of which is connected to a conversion assembly via a connecting pipe;
[0005] The conversion assembly includes an air storage bin installed at the other end of the connecting pipe, the side of the air storage bin is snap-connected with one side of the conversion box, a partition is provided in the middle of the inner wall of the conversion box, a number of air guide pipes are provided on the other side of the air storage bin, the surfaces of the several air guide pipes are interlaced and connected with the surface of the partition, and the other ends of the several air guide pipes are provided with an air guide cover, an air inlet cover is provided at the bottom of the inner wall of the conversion box, the bottom of the air inlet cover is fixedly connected to the air supply pipe of the blower, an air outlet cover is provided at the top of the inner wall of the conversion box, an air outlet pipe is provided at the top of the air outlet cover, a medium pipe is provided on the other side of the inner wall of the conversion box, a liquid inlet pipe and a liquid outlet pipe are respectively provided at both ends of the medium pipe, the surfaces of the liquid inlet pipe and the liquid outlet pipe are interlaced and connected with the inner wall of the conversion box, the other side of the conversion box is installed and connected with the purification box through a connecting pipe, and a purification assembly is provided on the top of the purification box.
[0006] The purification assembly includes a liquid storage tank installed on one side of the top of the purification box, one side of the liquid storage tank is fixedly connected to the liquid inlet of the pump body through a liquid suction pipe, the liquid outlet of the pump body is fixedly connected to the liquid delivery pipe and is interspersed with the top of the purification box, the bottom of the liquid delivery pipe is fixedly connected to an annular pipe rack, and a plurality of liquid spray covers are provided at the bottom of the annular pipe rack.
[0007] As a preferred solution of the present invention: a dust removal plate is provided on the inner wall of the filter bin, and a plurality of dust removal filter holes are opened on the surface of the dust removal plate.
[0008] As a preferred solution of the present invention: a through groove is provided on one side of the conversion box, the inner wall of the through groove is snap-connected with the side of the air storage bin, and two through holes are provided on the other side of the conversion box, the inner walls of the two through holes are respectively connected with the surfaces of the liquid inlet pipe and the liquid outlet pipe.
[0009] As a preferred solution of the present invention: a plurality of mounting holes are opened on both sides of the partition, and the inner walls of the plurality of mounting holes are interlaced and connected with the surfaces of the plurality of air guide tubes.
[0010] As a preferred solution of the present invention: control valves are provided on the surfaces of the air outlet pipe and the connecting pipe.
[0011] As a preferred solution of the present invention: the bottom of the conversion box is fixedly connected to one side of the top of the base plate through a plurality of first support rods, and the bottom of the blower is fixedly connected to the top of the base plate.
[0012] As a preferred solution of the present invention: a socket is provided on the top of the purification box, the inner wall of the socket is connected to the surface of the liquid delivery pipe, an exhaust pipe is provided on the other side of the purification box, and the bottom of the purification box is fixedly connected to the other side of the top of the base plate through a plurality of second support rods.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] (1) The exhaust gas in the exhaust pipe of the diesel engine is sent into the filter bin through the pipe joint, filtered through the several dust removal filter holes on the dust removal plate, and then enters the air storage bin through the connecting pipe. The air storage bin sends the exhaust gas into several air ducts, and releases heat through the pipe wall. The blower cooperates with the air supply pipe to transport the air to the air inlet cover, and then enters the conversion box. The released heat heats the air. After a period of time, it is discharged from the air outlet cover into the air outlet pipe, so that the heated air can be transported to the required functional machine. Several air ducts cooperate with several air ducts to transport the exhaust gas into the chamber on the other side of the partition, heat the medium pipe, so that the temperature of the internal liquid increases, thereby making full use of the waste heat.
[0015] (2) The waste gas after waste heat conversion is sent into the purification box through the connecting pipe. The pump body cooperates with the liquid extraction pipe to extract the liquid in the liquid storage tank containing chemical agents, and then transports it into the annular pipe rack from the liquid delivery pipe. Finally, it is sprayed out with several spray hoods to react chemically with the waste gas inside the purification box, neutralize the toxic gas contained therein, and avoid discharge to affect the environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural diagram of the utility model;
[0017] Figure 2 This is one of the structural diagrams of the present utility model;
[0018] Figure 3 This is a schematic diagram of the conversion component structure of the present utility model;
[0019] Figure 4 This is a schematic diagram of the purification component structure of the present utility model.
[0020] In the figure: 1, pipe joint; 11, filter chamber; 12, connecting pipe; 13, connecting pipe; 14, purification box; 15, dust removal plate; 16, dust removal filter hole; 17, control valve; 18, first support rod; 19, bottom plate; 110, jack; 111, exhaust pipe; 112, second support rod; 2, conversion assembly; 21, air storage chamber; 22, conversion box; 23, partition; 24, air guide pipe; 25, Air guide hood; 26. Air inlet hood; 27. Blower; 28. Air supply pipe; 29. Air outlet hood; 210. Air outlet pipe; 211. Medium pipeline; 212. Liquid inlet pipe; 213. Liquid outlet pipe; 214. Through-groove; 215. Through-hole; 216. Mounting hole; 3. Purification component; 31. Liquid storage tank; 32. Liquid extraction pipe; 33. Pump body; 34. Liquid delivery pipe; 35. Annular pipe rack; 36. Liquid spray hood. DETAILED DESCRIPTION
[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-Figure 4 A waste heat recovery converter for a marine diesel engine exhaust pipe includes a pipe joint 1, one end of which is provided with a filter chamber 11, and the other side of the filter chamber 11 is connected to a conversion assembly 2 via a connecting pipe 12;
[0023] See also Figure 3 The conversion assembly 2 includes an air storage bin 21 installed at the other end of the connecting pipe 12. The side of the air storage bin 21 is snap-connected with one side of the conversion box 22. A partition 23 is provided in the middle of the inner wall of the conversion box 22. A plurality of air guide pipes 24 are provided on the other side of the air storage bin 21. The surfaces of the plurality of air guide pipes 24 are connected with the surfaces of the partition 23 through the insertion. The other ends of the plurality of air guide pipes 24 are provided with air guide covers 25. The bottom of the inner wall of the conversion box 22 is provided with an air inlet cover 26. The bottom of the air inlet cover 26 is connected to the air supply of the blower 27. The tube 28 is fixedly connected, an air outlet hood 29 is provided on the top of the inner wall of the conversion box 22, an air outlet pipe 210 is provided on the top of the air outlet hood 29, a medium pipe 211 is provided on the other side of the inner wall of the conversion box 22, and a liquid inlet pipe 212 and a liquid outlet pipe 213 are respectively provided at both ends of the medium pipe 211. The surfaces of the liquid inlet pipe 212 and the liquid outlet pipe 213 are both connected with the inner wall of the conversion box 22 through an interlaced connection. The other side of the conversion box 22 is installed and connected with the purification box 14 through a connecting pipe 13, and a purification component 3 is provided on the top of the purification box 14.
[0024] During specific use: the pipe joint 1 sends the exhaust gas in the diesel engine exhaust pipe into the filter bin 11, filters it through the several dust removal filter holes 16 on the dust removal plate 15, and then enters the air storage bin 21 through the connecting pipe 12. The air storage bin 21 sends the exhaust gas into several air ducts 24, releases heat through the pipe wall, and the blower 27 cooperates with the air supply pipe 28 to transport the air to the air inlet hood 26, and then enters the conversion box 22. The released heat heats the air, and after a period of time, it is discharged from the air outlet hood 29 into the air outlet pipe 210, so that the heated air can be transported to the required functional machine. Several air ducts 24 cooperate with several air ducts 25 to transport the exhaust gas into the chamber on the other side of the partition 23, heat the medium pipe 211, so that the temperature of the internal liquid increases, thereby making full use of the waste heat.
[0025] See also Figure 4 The purification component 3 includes a liquid storage tank 31 installed on one side of the top of the purification box 14. One side of the liquid storage tank 31 is fixedly connected to the liquid inlet of the pump body 33 through a liquid extraction pipe 32. The liquid outlet of the pump body 33 is fixedly connected to a liquid delivery pipe 34 and is interspersed with the top of the purification box 14. The bottom of the liquid delivery pipe 34 is fixedly connected to an annular pipe rack 35. The bottom of the annular pipe rack 35 is provided with several liquid spray covers 36.
[0026] During specific use: the connecting pipe 13 sends the waste gas after waste heat conversion into the purification box 14, the pump body 33 cooperates with the liquid extraction pipe 32 to extract the liquid in the chemical storage tank 31, and then transports it into the annular pipe rack 35 from the liquid delivery pipe 34, and finally cooperates with several liquid spray covers 36 to spray it out, so as to chemically react with the waste gas inside the purification box 14, neutralize the toxic gas contained therein, and avoid discharge and impact on the environment.
[0027] See also Figure 2 The inner wall of the filter bin 11 is provided with a dust removal plate 15 , and a plurality of dust removal filter holes 16 are opened on the surface of the dust removal plate 15 .
[0028] During specific use, the pipe joint 1 delivers the exhaust gas in the exhaust pipe of the diesel engine into the filter chamber 11 , and the dust and impurities contained therein are filtered out through the plurality of dust removal filter holes 16 on the dust removal plate 15 .
[0029] See also Figure 3 A through groove 214 is provided on one side of the conversion box 22, and the inner wall of the through groove 214 is engaged with the side of the air storage bin 21. Two through holes 215 are provided on the other side of the conversion box 22, and the inner walls of the two through holes 215 are respectively connected to the surface of the liquid inlet pipe 212 and the liquid outlet pipe 213.
[0030] During specific use: the side of the air storage tank 21 is engaged with the inner wall of the through groove 214, so as to facilitate its installation and fixation with the conversion box 22, and the surface of the liquid inlet pipe 212 and the liquid outlet pipe 213 are connected with the inner walls of the two through holes 215, so as to facilitate its installation and fixation with the conversion box 22.
[0031] See also Figure 3 A plurality of mounting holes 216 are opened on both sides of the partition plate 23 , and the inner walls of the plurality of mounting holes 216 are interlaced and connected with the surfaces of the plurality of air guide tubes 24 .
[0032] During specific use, the surfaces of the plurality of air guide tubes 24 are interlaced and connected with the inner walls of the plurality of mounting holes 216 , thereby facilitating their installation and fixation with the partition plate 23 .
[0033] See also Figure 2 A control valve 17 is provided on the surface of the air outlet pipe 210 and the connecting pipe 13 .
[0034] During specific use, the control valve 17 on the surface of the air outlet pipe 210 and the connecting pipe 13 facilitates the control of the flow of materials in the pipe.
[0035] See also Figure 1 、 Figure 2 The bottom of the conversion box 22 is fixedly connected to one side of the top of the bottom plate 19 through a plurality of first support rods 18 , and the bottom of the blower 27 is fixedly connected to the top of the bottom plate 19 .
[0036] During specific use: the bottom plate 19 cooperates with a number of first support rods 18 to support the conversion box 22, thereby installing the blower 27.
[0037] See also Figure 4A socket 110 is provided at the top of the purification box 14, and the inner wall of the socket 110 is connected to the surface of the liquid delivery pipe 34 through an interlaced connection. An exhaust pipe 111 is provided on the other side of the purification box 14, and the bottom of the purification box 14 is fixedly connected to the other side of the top of the base plate 19 through several second support rods 112.
[0038] During specific use, the bottom plate 19 cooperates with a plurality of second support rods 112 to support the purification box 14 , thereby facilitating the structural installation between the purification box 14 and the conversion box 22 .
[0039] When in use, the pipe joint 1 sends the exhaust gas in the exhaust pipe of the diesel engine into the filter bin 11, and it is filtered through the several dust removal filter holes 16 on the dust removal plate 15, and then enters the air storage bin 21 through the connecting pipe 12. The air storage bin 21 sends the exhaust gas into several air guide pipes 24, and releases the heat through the pipe wall. The blower 27 cooperates with the air supply pipe 28 to transport the air to the air inlet cover 26, and then enters the conversion box 22. The released heat heats the air, and after a period of time, it is discharged from the air outlet cover 29 into the air outlet pipe 210, so that the heated air can be transported to the required functional machines. The air guide pipe 24 cooperates with several air guide covers 25 to transport the exhaust gas into the chamber on the other side of the partition 23, heats the medium pipe 211, and increases the temperature of the liquid inside, so as to make full use of the waste heat; the connecting pipe 13 sends the exhaust gas after the waste heat is converted into the purification box 14, and the pump body 33 cooperates with the liquid extraction pipe 32 to extract the liquid in the chemical storage tank 31, and then transports it from the liquid delivery pipe 34 to the annular pipe rack 35, and finally cooperates with several liquid spray covers 36 to spray it out, so as to carry out a chemical reaction on the exhaust gas inside the purification box 14, neutralize the toxic gas contained therein, and avoid discharge and impact on the environment.
[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A waste heat recovery converter for a marine diesel engine exhaust pipe, characterized in that: It comprises a pipe joint (1), one end of which is provided with a filter chamber (11), and the other side of the filter chamber (11) is installed and connected to a conversion assembly (2) via a connecting pipe (12); The conversion assembly (2) comprises an air storage bin (21) installed at the other end of the connecting pipe (12), the side of the air storage bin (21) is snap-connected with one side of the conversion box (22), a partition (23) is provided in the middle of the inner wall of the conversion box (22), a plurality of air guide pipes (24) are provided on the other side of the air storage bin (21), the surfaces of the plurality of air guide pipes (24) are interlaced and connected with the surface of the partition (23), the other ends of the plurality of air guide pipes (24) are each provided with an air guide cover (25), the bottom of the inner wall of the conversion box (22) is provided with an air inlet cover (26), the bottom of the air inlet cover (26) is connected to the air supply pipe of the blower (27) (28) is fixedly connected, the top of the inner wall of the conversion box (22) is provided with an air outlet hood (29), the top of the air outlet hood (29) is provided with an air outlet pipe (210), the other side of the inner wall of the conversion box (22) is provided with a medium pipeline (211), the two ends of the medium pipeline (211) are respectively provided with a liquid inlet pipe (212) and a liquid outlet pipe (213), the surfaces of the liquid inlet pipe (212) and the liquid outlet pipe (213) are both connected to the inner wall of the conversion box (22), the other side of the conversion box (22) is installed and connected with the purification box (14) through a connecting pipe (13), and the top of the purification box (14) is provided with a purification component (3); The purification assembly (3) comprises a liquid storage tank (31) installed on one side of the top of the purification box (14); one side of the liquid storage tank (31) is fixedly connected to the liquid inlet of the pump body (33) through a liquid extraction pipe (32); the liquid outlet of the pump body (33) is fixedly connected to a liquid delivery pipe (34) which is interlaced with the top of the purification box (14); the bottom of the liquid delivery pipe (34) is fixedly connected to an annular pipe rack (35); and a plurality of liquid spray covers (36) are provided at the bottom of the annular pipe rack (35).
2. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: The inner wall of the filter bin (11) is provided with a dust removal plate (15), and a plurality of dust removal filter holes (16) are opened on the surface of the dust removal plate (15).
3. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: A through groove (214) is provided on one side of the conversion box (22), and the inner wall of the through groove (214) is snap-fitted and connected to the side of the gas storage bin (21). Two through holes (215) are provided on the other side of the conversion box (22), and the inner walls of the two through holes (215) are respectively interlaced and connected to the surfaces of the liquid inlet pipe (212) and the liquid outlet pipe (213).
4. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: A plurality of mounting holes (216) are provided on both sides of the partition plate (23), and the inner walls of the plurality of mounting holes (216) are interlaced and connected with the surfaces of the plurality of air guide tubes (24).
5. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: Control valves (17) are provided on the surfaces of the air outlet pipe (210) and the connecting pipe (13).
6. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: The bottom of the conversion box (22) is fixedly connected to one side of the top of the bottom plate (19) via a plurality of first support rods (18), and the bottom of the blower (27) is fixedly connected to the top of the bottom plate (19).
7. A waste heat recovery converter for a marine diesel engine exhaust pipe according to claim 1, characterized in that: The top of the purification box (14) is provided with a socket (110), the inner wall of the socket (110) is connected to the surface of the liquid delivery pipe (34) through insertion, the other side of the purification box (14) is provided with an exhaust pipe (111), and the bottom of the purification box (14) is fixedly connected to the other side of the top of the bottom plate (19) through a plurality of second support rods (112).
Citation Information
Patent Citations
A waste heat recovery converter with marine diesel engine exhaust pipe
CN104329146B