CN218721617U

CN218721617U - High-efficient waste heat recovery system

Info

Publication number: CN218721617U
Application number: CN202221902436.6U
Authority: CN
Inventors: 赵珂成; 赵魁生; 袁本森; 朱兆帅
Original assignee: Shandong Fuyuan Power Technology Co ltd
Current assignee: Shandong Fuyuan Power Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-03-24
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a high-efficient waste heat recovery system, the power distribution box comprises a lower box body, the fixed intercommunication in top of box has first fixed pipe down, the fixed intercommunication in top of first fixed pipe has well box, the fixed intercommunication in top of well box has the fixed pipe of second, the fixed intercommunication in top of the fixed pipe of second has last box, and goes up the top of box fixed mounting at well box. The utility model discloses in, can be connected the steam pipe with the equipment of outside impeller generator or other usable steam to utilize the steam of conversion, avoid the heat of high temperature flue gas to be wasted. And meanwhile, the multistage preheating is arranged, so that the efficiency of converting water into steam is improved, and high-temperature flue gas can be fully cooled. Through the switching subassembly, the fixed pipe of first fixed pipe and second that set up again, can be automatically with upper preheated water drainage lower floor, realize automatic water supply, it is very convenient.

Description

High-efficient waste heat recovery system

Technical Field

The utility model relates to a waste heat recovery technical field especially relates to a high-efficient waste heat recovery system.

Background

The waste heat refers to high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like. The waste heat recovery means that waste heat generated in the industrial process is recycled and reused again. The main technologies comprise a heat exchange technology, a heat-power conversion technology and a waste heat refrigerating and heating technology;

at present, the high-temperature flue gas generated is cooled by adopting a direct water chilling mode, namely, water is directly sprayed into the high-temperature flue gas for cooling, the high-temperature flue gas can be used as a special spray cooling tower, the section air speed of the spray tower is usually 2-3.5 m/s, in order to prevent water mist from entering a bag-type dust collector, the water quantity can be regulated by using a temperature control system, and the mode cools the high-temperature flue gas, so that not only is the heat in the high-temperature flue gas wasted, but also the waste of water resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency waste heat recovery system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient waste heat recovery system, includes lower box, the fixed intercommunication in top of lower box has first fixed pipe, the fixed intercommunication in top of first fixed pipe has well box, the fixed intercommunication in top of well box has the fixed pipe of second, the fixed intercommunication in top of the fixed pipe of second has last box, and goes up the top of box fixed mounting at well box, the equal fixed mounting of the inside of lower box, well box and last box is violently managed and is violently managed down, and adjacent on violently manage and violently manage under and between the pipe jointly fixed intercommunication have a plurality of dish type heat exchange tubes, all install C type pipe jointly between lower box and the well box and between last box, and C type pipe and adjacent on violently manage and violently manage under and be linked together, the entrance of first fixed pipe and the fixed pipe of second installs the switching subassembly jointly, the top of lower box is fixed to be intercommunicated with the steam pipe.

Further, the switching subassembly includes the motor, and motor fixed mounting is in the bottom of well box, the drive end fixedly connected with lead screw of motor, and the lead screw runs through the bottom of well box perpendicularly and extends to the inside of supreme box, and lead screw and well box and last box between rotate and be connected, the surface threaded connection of lead screw has two slides, and two slides are located the inside of box and well box respectively, two the equal fixedly connected with seal valve plate in surface one side of slide, and seal valve plate respectively with the fixed pipe phase-match of first fixed pipe and second, two the equal sliding connection of slide has the gag lever post, and two gag lever posts respectively with last box and well box between fixed connection, the lead screw with well box and the rotation junction between the last box install mechanical seal jointly, guarantee the leakproofness of junction, avoid taking place the leakage.

Furthermore, the top fixedly connected with of going up the box tub of discharging fume, and discharge fume the pipe and be linked together with adjacent last transverse canal, the fixed first inlet tube that has link up in top one side of going up the box, the fixed second inlet tube that has link up in surface one side of well box, the second inlet tube uses when adding water for the first time, is convenient for fill well box and the inside water of last box in step.

Furthermore, outer surface one side fixedly connected with of lower box advances the tobacco pipe, and advances the tobacco pipe and violently manage with adjacent down and be linked together, carries out the pipe and send the cigarette flue with the outside and be connected, is favorable to the flue gas to get into.

Furthermore, the top of the lower box body is symmetrically and fixedly connected with four supporting blocks, the supporting blocks are fixedly connected with the middle box body, the supporting blocks are connected with the lower box body and the middle box body through welding, the welding structure is simple, and meanwhile the connection strength is guaranteed.

Furthermore, the control cabinet is fixedly connected to one side of the outer surface of the middle box body, and the control cabinet is electrically connected with the motor, so that the motor can be controlled to operate conveniently.

Further, inner wall one side fixed mounting of box has high temperature resistant level sensor down, electric connection between high temperature resistant level sensor and the switch board, high temperature resistant level sensor can the inside water level of box under the perception.

The utility model has the advantages that:

the utility model discloses when using, this high-efficient waste heat recovery system can be connected the steam pipe with the equipment of outside impeller generator or other usable steam to utilize the steam of conversion, avoid the heat of high temperature flue gas to be wasted. The multistage preheating that sets up simultaneously not only improves the efficiency that water converted steam, also can fully cool off high temperature flue gas simultaneously. Through the switching subassembly, the fixed pipe of first fixed pipe and second that set up again, can be automatically with upper preheated water drainage lower floor, realize automatic water supply, it is very convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the opening and closing assembly of the present invention.

Illustration of the drawings:

1. a lower box body; 2. a support block; 3. a steam pipe; 4. a middle box body; 5. a C-shaped pipe; 6. a first water inlet pipe; 7. a smoke exhaust pipe; 8. an upper box body; 9. a control cabinet; 10. a smoke inlet pipe; 11. an upper horizontal pipe; 12. a second stationary tube; 13. a screw rod; 14. a first stationary tube; 15. a disk-shaped heat exchange tube; 16. a lower transverse pipe; 17. a high temperature resistant water level sensor; 18. a sealing valve plate; 19. a limiting rod; 20. a slide base; 21. an electric motor.

Detailed Description

Fig. 1 to 3 show, relate to a high-efficient waste heat recovery system, including lower box 1, the fixed intercommunication in top of lower box 1 has first fixed pipe 14, the fixed intercommunication in top of first fixed pipe 14 has well box 4, the fixed intercommunication in top of well box 4 has the fixed pipe 12 of second, the fixed intercommunication in top of the fixed pipe 12 of second has last box 8, and go up box 8 fixed mounting at the top of well box 4, lower box 1, the equal fixed mounting in inside of well box 4 and last box 8 has last violently pipe 11 and violently pipe 16 down, adjacent on violently pipe 11 and violently pipe 16 between the common fixed intercommunication have a plurality of dish type heat exchange tubes 15 down, all install C type pipe 5 between lower box 1 and well box 4 and between well box 4 and the last box 8 jointly, and C type pipe 5 and adjacent on violently pipe 11 and violently pipe 16 down be linked together, the switching subassembly is installed jointly to the entrance of first fixed pipe 14 and the fixed pipe 12 of second, the fixed intercommunication in top of lower box 1 has steam pipe 3.

As shown in fig. 1, the top of the lower box 1 is symmetrically and fixedly connected with four supporting blocks 2, and the supporting blocks 2 are fixedly connected with the middle box 4.

As shown in fig. 1 and 2, a smoke exhaust pipe 7 is fixedly connected to the top of the upper box body 8, the smoke exhaust pipe 7 is communicated with the adjacent upper transverse pipe 11, a first water inlet pipe 6 is fixedly communicated with one side of the top of the upper box body 8, and a second water inlet pipe is fixedly communicated with one side of the outer surface of the middle box body 4.

One side of the outer surface of the lower box body 1 is fixedly connected with a smoke inlet pipe 10, and the smoke inlet pipe 10 is communicated with an adjacent lower transverse pipe 16.

The inner wall one side fixed mounting of lower box 1 has high temperature resistant level sensor 17, electric connection between high temperature resistant level sensor 17 and the switch board 9.

As shown in fig. 1 and 3, a control cabinet 9 is fixedly connected to one side of the outer surface of the middle box 4, and the control cabinet 9 is electrically connected to the motor 21.

As shown in fig. 2 and 3, the opening and closing assembly includes a motor 21, and the motor 21 is fixedly installed at the bottom of the middle box body 4, a driving end of the motor 21 is fixedly connected with a lead screw 13, and the lead screw 13 vertically penetrates through the bottom of the middle box body 4 and extends to the inside of the upper box body 8, and the lead screw 13 is rotatably connected with the middle box body 4 and the upper box body 8, the outer surface of the lead screw 13 is in threaded connection with two sliding seats 20, and the two sliding seats 20 are respectively located inside the upper box body 8 and the middle box body 4, the outer surface of the two sliding seats 20 is fixedly connected with a sealing valve plate 18, the sealing valve plate 18 is respectively matched with the first fixed pipe 14 and the second fixed pipe 12, the two sliding seats 20 are respectively and slidably connected with a limiting rod 19, and the two limiting rods 19 are respectively and fixedly connected with the upper box body 8 and the middle box body 4.

When the high-efficiency waste heat recovery system is used, the smoke inlet pipe 10 can be connected with an external smoke delivery flue, the smoke exhaust pipe 7 is connected with an external smoke exhaust flue, the first water inlet pipe 6 and the second water inlet pipe are both connected with an external water delivery pipe, the steam pipe 3 is connected with equipment capable of utilizing steam, such as an impeller generator and the like, firstly, an external water source conveys water into the upper box body 8 through the first water inlet pipe 6, then the water is conveyed into the middle box body 4 through the second fixing pipe 12, and finally the water is conveyed into the lower box body 1 through the first fixing pipe 14, when the water level reaches a specified position, the high-temperature-resistant water level sensor 17 sends a signal to the control cabinet 9, the control cabinet 9 controls the motor 21 to operate, so that the screw rod 13 is driven to rotate forwards, the screw rod 13 drives the two slide seats 20 to descend until the two sealing valve plates 18 respectively seal the first fixing pipe 14 and the second fixing pipe 12, and then the first water inlet pipe 6 and the second water inlet pipe are used for filling the inner parts of the upper box body 8 and the middle box body 4; then high-temperature flue gas starts to be introduced, the high-temperature flue gas enters the lower transverse pipe 16 inside the lower box body 1 through the smoke inlet pipe 10, then water inside the lower box body 1 is heated through the plurality of disc-shaped heat exchange pipes 15, the water is heated to a certain temperature and then is converted into steam, the steam is conveyed to an external impeller generator or other equipment capable of utilizing the steam through the steam pipe 3, the steam subjected to primary cooling is conveyed to the inside of the lower transverse pipe 16 inside the middle box body 4 through the upper transverse pipe 11 and the C-shaped pipe 5, then secondary preheating is performed on the water inside the middle box body 4 through the disc-shaped heat exchange pipes 15, secondary cooling is performed on the flue gas at the same time, the steam subjected to primary cooling is conveyed to the inside of the lower transverse pipe 16 inside the upper box body 8 through the upper transverse pipe 11 and the C-shaped pipe 5, finally preheating is performed on the water inside the upper box body 8 through the disc-shaped heat exchange pipes 15, final cooling is also performed on the flue gas, and the cooled flue gas is discharged into an external smoke exhaust flue through the upper transverse pipe 11 and the smoke exhaust pipe 7; when the water level in the lower box body 1 is reduced to a certain position, the high-temperature-resistant water level sensor 17 sends a signal to the control cabinet 9, the motor 21 is started through the control cabinet 9, the motor 21 rotates reversely, the first fixing pipe 14 and the second fixing pipe 12 are opened through all the parts, the secondarily preheated water enters the lower box body 1, the primarily preheated water enters the middle box body 4, when the water level in the lower box body 1 is at the initial position, the first fixing pipe 14 and the second fixing pipe 12 are closed through the cooperation of all the parts, and then a certain amount of water is heated up to the inside of the upper box body 8 through the first water inlet pipe 6.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient waste heat recovery system, includes box (1) down, its characterized in that: the heat exchanger is characterized in that a first fixing pipe (14) is fixedly communicated with the top of the lower box body (1), a middle box body (4) is fixedly communicated with the top of the first fixing pipe (14), a second fixing pipe (12) is fixedly communicated with the top of the middle box body (4), an upper box body (8) is fixedly communicated with the top of the second fixing pipe (12), the upper box body (8) is fixedly installed at the top of the middle box body (4), an upper transverse pipe (11) and a lower transverse pipe (16) are fixedly installed inside the lower box body (1), the middle box body (4) and the upper box body (8), a plurality of disc-shaped heat exchange pipes (15) are fixedly communicated with each other between the upper transverse pipe (11) and the lower transverse pipe (16), a C-shaped pipe (5) is installed between the lower box body (1) and the middle box body (4) and the upper box body (8) together, the C-shaped pipe (5) is communicated with the adjacent upper transverse pipe (11) and the lower transverse pipe (16), a first fixing pipe (14) and a second fixing pipe (12) are provided with each other, and an opening and closing inlet is formed at the top of the lower box body (3).

2. The efficient waste heat recovery system of claim 1, wherein: the switching subassembly includes motor (21), and motor (21) fixed mounting is in the bottom of well box (4), the drive end fixedly connected with lead screw (13) of motor (21), and lead screw (13) run through the inside that the bottom of well box (4) extends to box (8) perpendicularly, and lead screw (13) and well box (4) and last box (8) between rotate and be connected, the surface threaded connection of lead screw (13) has two slides (20), and two slides (20) are located the inside of last box (8) and well box (4) respectively, two the equal fixedly connected with seal valve plate (18) in surface one side of slide (20), and seal valve plate (18) respectively with first fixed pipe (14) and the fixed pipe (12) phase-match of second, two the equal sliding connection of slide (20) has gag lever post (19), and two gag lever posts (19) respectively with last box (8) and well box (4) between fixed connection.

3. The system of claim 1, wherein the system further comprises: the improved smoke exhaust device is characterized in that a smoke exhaust pipe (7) is fixedly connected to the top of the upper box body (8), the smoke exhaust pipe (7) is communicated with the adjacent upper horizontal pipe (11), a first water inlet pipe (6) is fixedly communicated with one side of the top of the upper box body (8), and a second water inlet pipe is fixedly communicated with one side of the outer surface of the middle box body (4).

4. The system of claim 1, wherein the system further comprises: one side of the outer surface of the lower box body (1) is fixedly connected with a smoke inlet pipe (10), and the smoke inlet pipe (10) is communicated with the adjacent lower transverse pipe (16).

5. The efficient waste heat recovery system of claim 1, wherein: the top of the lower box body (1) is symmetrically and fixedly connected with four supporting blocks (2), and the supporting blocks (2) are fixedly connected with the middle box body (4).

6. The efficient waste heat recovery system of claim 2, wherein: the outer surface of the middle box body (4) is fixedly connected with a control cabinet (9), and the control cabinet (9) is electrically connected with the motor (21).

7. The system of claim 6, wherein the system further comprises: and a high-temperature-resistant water level sensor (17) is fixedly mounted on one side of the inner wall of the lower box body (1), and the high-temperature-resistant water level sensor (17) is electrically connected with the control cabinet (9).