CN217714877U

CN217714877U - Heat pipe type waste heat recovery steam making device for calcined coke of carbon plant calcining furnace

Info

Publication number: CN217714877U
Application number: CN202221556740.XU
Authority: CN
Inventors: 王开来; 仇公正; 王景明
Original assignee: Shandong Haiyun Energy Technology Development Co ltd
Current assignee: Shandong Haiyun Energy Technology Development Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-11-01
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a bury heat pipe formula waste heat recovery system steam device in calcination oven burnt of charcoal factory, including furnace body and fixed mounting on the furnace body discharge gate surface last cooling jacket and lower cooling jacket, go up the end of intaking of cooling jacket and the play water outlet of cooling jacket between common fixedly connected with C word pipe down, the furnace body be equipped with first S type pipe, and fixed connection between first S type pipe and last cooling jacket and the lower cooling jacket, go up the first connecting pipe of the play water outlet fixedly connected with of cooling jacket. The utility model discloses in, with first S type pipe pre-buried in the furnace body, cooling jacket and lower cooling jacket on the cooperation can accelerate the cooling to burnt after calcining, reduce cooling time, improve cooling efficiency, simultaneously through evaporation subassembly and the secondary cooling subassembly that sets up, not only can cool off coolant to its cyclic utilization, can absorb heat energy simultaneously and convert steam into and carry out reuse, avoid a large amount of heats to be wasted.

Description

Heat pipe type waste heat recovery steam making device for calcined coke of carbon plant calcining furnace

Technical Field

The utility model relates to a forge burning furnace technical field, especially relate to the burnt buried heat pipe formula waste heat recovery system steam device of calcining back of carbon factory calcining furnace.

Background

The calcining furnace is a thermal device for carrying out heat treatment on carbon raw materials at high temperature so as to improve the performance of the raw materials. The equipment is used for ironmaking, recovering rare metals, producing catalysts, improving the environment and producing special chemicals. The pot calciner is one of the furnace types widely used in the carbon industry. The pot-type calcining furnace comprises a furnace body, a metal framework, a cooling water jacket, a feeding and discharging device, a coal gas or heavy oil pipeline and the like which are attached to the furnace body;

the temperature of calcined coke generated after petroleum coke in a calcining furnace of a carbon plant is calcined reaches about 1200 ℃, the calcined coke is cooled to 100-200 ℃ by only depending on an external cooling water jacket, the required time is long, the cooling efficiency is low, and meanwhile, a cooling medium in the cooling water jacket of the calcining furnace of the carbon plant is cooled by a cooling tower usually, so that a large amount of heat is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat pipe type waste heat recovery steam making device for the calcined coke of a carbon plant calcining furnace.

In order to realize the purpose, the utility model adopts the following technical scheme: the waste heat recovery and steam production device comprises a furnace body, an upper cooling water jacket and a lower cooling water jacket which are fixedly installed on the surface of a discharge port of the furnace body, a C-shaped pipe is fixedly connected between the water inlet end of the upper cooling water jacket and the water outlet end of the lower cooling water jacket together, a first S-shaped pipe is arranged on the furnace body and fixedly connected with the upper cooling water jacket and the lower cooling water jacket, the water outlet end of the upper cooling water jacket is fixedly connected with a first connecting pipe, one end, far away from the upper cooling water jacket, of the first connecting pipe is fixedly connected with a first fixing pipe, one end, far away from the first connecting pipe, of the first fixing pipe is fixedly communicated with a shell, a steam component is installed at the bottom of the shell, a secondary cooling component is installed at the bottom of the shell and connected with the steam component, a pump body is fixedly connected to one side of the outer surface of the shell, a short pipe is fixedly connected to the input end of the shell and connected with the secondary cooling component, a second fixing pipe is fixedly connected to the output end of the pump body, and one end, far away from the pump body, of the second fixing pipe is fixedly connected with a second connecting pipe and fixedly communicated with the lower cooling water jacket.

Furthermore, the steam assembly comprises two second S-shaped pipes, the two second S-shaped pipes are arranged in a staggered mode and fixedly connected with the shell, the two second S-shaped pipes are fixedly connected with a first flow guide pipe between the second S-shaped pipes, the water tray is fixedly connected to the inside of the shell and located above the second S-shaped pipes, a plurality of spray heads are fixedly connected to the bottom of the water tray evenly, a plurality of through holes are formed in the bottom of the water tray evenly, the through holes penetrate through the bottom of the water tray and extend to the top, and heated water falls on the surface of the high-temperature second S-shaped pipes through the water tray and the spray heads and can evaporate rapidly to form steam.

Furthermore, the secondary cooling assembly comprises a water tank, the water tank is located above the water tray, three third S-shaped tubes are fixedly mounted inside the water tank, two adjacent third S-shaped tubes are fixedly connected with a second flow guide tube and a second flow guide tube, the third S-shaped tubes are fixedly connected between the third S-shaped tubes, a first drainage tube is fixedly communicated with the water inlet ends of the third S-shaped tubes, the first drainage tube is fixedly communicated with the water outlet ends of the adjacent second S-shaped tubes, the first drainage tube is fixedly communicated with the water outlet ends of the third S-shaped tubes, the second drainage tube is fixedly communicated with the short tubes, a drain tube is fixedly communicated with the bottom of the water tank and fixedly communicated with the water tray, secondary cooling can be performed on the cooling medium, the cooling effect of the cooling medium is guaranteed, and water in the water tank is heated again.

Further, the top fixed mounting of water tank has the inlet tube, and the inlet tube runs through the inside of casing perpendicularly and extends to the surface, and the inlet tube is connected with outside pipeline, is favorable to outside water to enter into in the water tank.

Furthermore, a plurality of supporting blocks are uniformly and fixedly connected to the outer surface of the water tank, the supporting blocks are fixedly connected with the shell, and the supporting blocks have a supporting effect on the water tank and are favorable for fixed installation of the water tank.

Furthermore, a steam outlet is formed in the top of the shell and connected with an external pipeline, and steam is recycled.

Furthermore, a plurality of fixing rods are uniformly and fixedly connected to the outer surface of the first S-shaped pipe, the fixing rods are fixedly connected with the discharge port of the furnace body, and the fixing rods have a supporting effect on the first S-shaped pipe, so that the first S-shaped pipe is favorably fixed and mounted.

The utility model has the advantages that:

the utility model discloses when using, this burning furnace is forged to plain factory buries heat pipe formula waste heat recovery system steam device in burnt, with first S type pipe pre-buried in the furnace body, cooling jacket and lower cooling jacket on the cooperation, can accelerate the cooling to burnt after calcining, reduce cooling time, improve cooling efficiency, evaporation assembly and secondary cooling module through setting up simultaneously, not only can cool off coolant, so that its cyclic utilization, can convert the heat energy absorption into steam simultaneously and carry out reuse, avoid a large amount of heats to be wasted.

Drawings

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

fig. 2 is a schematic perspective view of the water tray of the present invention;

fig. 3 is a schematic structural view of the secondary cooling assembly of the present invention.

Illustration of the drawings:

1. a furnace body; 2. an upper cooling water jacket; 3. a first S-shaped pipe; 4. fixing the rod; 5. a C-shaped pipe; 6. a lower cooling water jacket; 7. a first connecting pipe; 8. a first stationary tube; 9. a pump body; 10. a housing; 11. a steam outlet; 12. a water inlet pipe; 13. a second connection pipe; 14. a second stationary tube; 15. a short pipe; 16. a water pan; 17. a second S-shaped pipe; 18. a first draft tube; 19. a through hole; 20. a shower head; 21. a second draft tube; 22. a support block; 23. a first draft tube; 24. a third S-shaped pipe; 25. a second draft tube; 26. a water tank; 27. and a water discharge pipe.

Detailed Description

FIG. 1 to FIG. 3 show, which relates to a device for recovering waste heat and producing steam by embedding heat pipe in calcined coke of a calcining furnace in a carbon plant, comprising a furnace body 1, an upper cooling water jacket 2 and a lower cooling water jacket 6 which are fixedly arranged on the surface of a discharge port of the furnace body 1, a C-shaped pipe 5 is fixedly connected between the water inlet end of the upper cooling water jacket 2 and the water outlet end of the lower cooling water jacket 6, a first S-shaped pipe 3 is arranged on the furnace body 1, the first S-shaped pipe 3 is fixedly connected between the upper cooling water jacket 2 and the lower cooling water jacket 6, a first connecting pipe 7 is fixedly connected with the water outlet end of the upper cooling water jacket 2, a first fixed pipe 8 is fixedly connected with one end of the first connecting pipe 7 far away from the upper cooling water jacket 2, a shell 10 is fixedly penetrated through one end of the first fixed pipe 8 far away from the first connecting pipe 7, a steam component is arranged at the bottom of the shell 10, and a secondary cooling component is arranged at the bottom of the shell 10, and the secondary cooling component is connected with the steam component, one side of the outer surface of the shell 10 is fixedly connected with a pump body 9, an input end of the pump body 9 is fixedly connected with a short pipe 15, the short pipe 15 is connected with the secondary cooling component, an output end of the pump body 9 is fixedly connected with a second fixed pipe 14, one end, far away from the pump body 9, of the second fixed pipe 14 is fixedly connected with a second connecting pipe 13, the second connecting pipe 13 is fixedly communicated with the lower cooling water jacket 6, the pump body 9 is started, so that a cooling medium starts to flow, the cooling medium can cool calcined coke by water entering through the upper cooling water jacket 2, the lower cooling water jacket 6 and the first S-shaped pipe 3, the heat-exchanged cooling medium provides a heat source for the steam component after entering into the steam component, and can also cool the cooling medium, the primarily cooled cooling medium enters into the secondary cooling component, is cooled again and then flows back to the furnace body 1.

As shown in fig. 1, a steam outlet 11 is opened at the top of the casing 10, and the steam outlet 11 can be connected with an external recycling pipeline to convey steam. The outer surface of the first S-shaped pipe 3 is uniformly and fixedly connected with a plurality of fixing rods 4, the fixing rods 4 are fixedly connected with the discharge port of the furnace body 1, the two ends of the fixing rods 4 are connected with the first S-shaped pipe 3 and the discharge port through welding, the connecting structure is simple, and meanwhile the connecting strength of the fixing rods 4 is guaranteed.

As shown in fig. 1 and fig. 2, the steam assembly includes two second S-shaped pipes 17, and two second S-shaped pipes 17 are arranged in a staggered manner and fixedly connected with the casing 10, a first draft tube 18 is fixedly connected between the two second S-shaped pipes 17, the first draft tube 18 is connected with the second S-shaped pipes 17 through a connecting flange, a bolt is connected with the second S-shaped pipes 17, which is beneficial to the installation and disassembly of the first draft tube 18, the inside fixedly connected with water tray 16 of the casing 10, the water tray 16 is installed inside the casing 10 through a bolt, which is convenient for the bolt to be installed and disassembled, and the water tray 16 is located above the second S-shaped pipes 17, a plurality of spray heads 20 are uniformly and fixedly connected with the bottom of the water tray 16, a plurality of through holes 19 are uniformly formed in the bottom of the water tray 16, and the through holes 19 extend to the top through the bottom of the water tray 16, water in the water tray 16 is sprayed on the surfaces of the second S-shaped pipes 17 through the spray heads 20, thereby becoming steam under the effect of high temperature, and steam rises at the top of the casing 10 through the through holes 19.

As shown in fig. 3, the secondary cooling assembly includes a water tank 26, the water tank 26 is located above the water tray 16, three third S-shaped pipes 24 are fixedly installed inside the water tank 26, a second flow guide pipe 25 is fixedly connected between two adjacent third S-shaped pipes 24, a first drainage pipe 23 is fixedly penetrated through a water inlet end of the bottom third S-shaped pipe 24, the first drainage pipe 23 is fixedly penetrated through a water outlet end of the adjacent second S-shaped pipe 17, a second drainage pipe 21 is fixedly penetrated through a water outlet end of the top third S-shaped pipe 24, the second drainage pipe 21 is fixedly penetrated through the short pipe 15, a drainage pipe 27 is fixedly penetrated through a bottom of the water tank 26, the drainage pipe 27 is fixedly penetrated through the water tray 16, and the sprayed cooling medium flows into the third S-shaped pipe 24, so as to preheat water inside the water tank 26 and cool the cooling medium again. The top end of the water tank 26 is fixedly installed with the inlet pipe 12, and the inlet pipe 12 vertically penetrates the inside of the housing 10 to extend to the outer surface, and one end of the inlet pipe 12, which is far away from the water tank 26, is connected with an external tap water pipe so as to introduce water into the inside of the water tank 26. The outer surface of water tank 26 is a plurality of even fixedly connected with supporting blocks 22, and fixed connection between supporting block 22 and the casing 10, and supporting block 22 one end is passed through the bolt and is connected with casing 10, is connected through the welding between the supporting block 22 other end and the water tank 26, is favorable to the installation and the dismantlement of water tank 26, is convenient for overhaul water tank 26 internals.

When the device for recovering waste heat and producing steam by using the heat pipe embedded in calcined coke of the carbon plant calciner is used, firstly, a steam outlet 11 and a water inlet pipe 12 are connected with an external pipeline, the external pipeline continuously conveys water to the water inlet pipe 12, then the water enters a water tank 26 until the water level in the water tank 26 does not exceed a top third S-shaped pipe 24, then the water inflow is reduced, the water in the water tank 26 enters a water tray 16 under the action of gravity, then the water is sprayed out through a spray head 20, then a pump body 9 is started, the pump body 9 drives a cooling medium to flow, the cooling medium cools the calcined coke through a first S-shaped pipe 3, a lower cooling water jacket 6 and an upper cooling water jacket 2, then the water flows into a second S-shaped pipe 17 through a first connecting pipe 7 and a first fixed pipe 8, the sprayed water is contacted with the high-temperature second S-shaped pipe 17 to evaporate, meanwhile, the cooling medium in the second S-shaped pipe 17 is also cooled, and then flows into the third S-shaped pipe 24 through a first drainage pipe 23, the water in the water tank 26 can be heated, and can be cooled again, and finally flows back to the second S-shaped pipe 9, the second S-shaped pipe 15 and the lower cooling water jacket 13.

The above description is only for the 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 device for recovering waste heat and producing steam by burying heat pipe in calcined coke of the calcining furnace of the carbon plant comprises a furnace body (1) and an upper cooling water jacket (2) and a lower cooling water jacket (6) which are fixedly arranged on the surface of a discharge hole of the furnace body (1), and is characterized in that: a C-shaped pipe (5) is fixedly connected between the water inlet end of the upper cooling water jacket (2) and the water outlet end of the lower cooling water jacket (6), a first S-shaped pipe (3) is arranged on the furnace body (1), and the first S-shaped pipe (3) is fixedly connected with the upper cooling water jacket (2) and the lower cooling water jacket (6), the water outlet end of the upper cooling water jacket (2) is fixedly connected with a first connecting pipe (7), one end of the first connecting pipe (7) far away from the upper cooling water jacket (2) is fixedly connected with a first fixing pipe (8), a shell (10) is fixedly penetrated at one end of the first fixed pipe (8) far away from the first connecting pipe (7), the bottom of the shell (10) is provided with a steam component, the bottom of the shell (10) is provided with a secondary cooling component, the secondary cooling component is connected with the steam component, one side of the outer surface of the shell (10) is fixedly connected with a pump body (9), the input end of the pump body (9) is fixedly connected with a short pipe (15), the short pipe (15) is connected with the secondary cooling component, the output end of the pump body (9) is fixedly connected with a second fixed pipe (14), one end of the second fixed pipe (14) far away from the pump body (9) is fixedly connected with a second connecting pipe (13), and the second connecting pipe (13) is fixedly communicated with the lower cooling water jacket (6).

2. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 1, characterized in that: the steam assembly comprises two second S-shaped pipes (17), the two second S-shaped pipes (17) are arranged in a staggered mode and fixedly connected with the shell (10), two first guide pipes (18) are fixedly connected between the two second S-shaped pipes (17), a water tray (16) is fixedly connected to the inside of the shell (10), the water tray (16) is located above the second S-shaped pipes (17), a plurality of spray headers (20) are fixedly connected to the bottom of the water tray (16) uniformly, a plurality of through holes (19) are formed in the bottom of the water tray (16), and the bottom of the through holes (19) penetrating through the water tray (16) extends to the top.

3. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 1, which is characterized in that: the secondary cooling assembly comprises a water tank (26), the water tank (26) is located above the water tray (16), three third S-shaped pipes (24) are fixedly installed inside the water tank (26), two adjacent third S-shaped pipes (24) are fixedly connected with a second flow guide pipe (25) together, a first drainage pipe (23) is fixedly communicated with the water inlet end of each third S-shaped pipe (24) at the bottom, the first drainage pipe (23) is fixedly communicated with the water outlet end of the adjacent second S-shaped pipe (17), a second drainage pipe (21) is fixedly communicated with the water outlet end of each third S-shaped pipe (24) at the top, the second drainage pipe (21) is fixedly communicated with the short pipe (15), a drainage pipe (27) is fixedly communicated with the bottom of the water tank (26), and the drainage pipe (27) is fixedly communicated with the water tray (16).

4. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 3, which is characterized in that: the top end of the water tank (26) is fixedly provided with a water inlet pipe (12), and the water inlet pipe (12) vertically penetrates through the inner part of the shell (10) and extends to the outer surface.

5. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 4, which is characterized in that: the outer surface of the water tank (26) is uniformly and fixedly connected with a plurality of supporting blocks (22), and the supporting blocks (22) are fixedly connected with the shell (10).

6. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 1, which is characterized in that: the top of the shell (10) is provided with a steam outlet (11).

7. The carbon plant calciner calcined coke internally-buried heat pipe type waste heat recovery steam making device according to claim 1, characterized in that: the outer surface of the first S-shaped pipe (3) is uniformly and fixedly connected with a plurality of fixing rods (4), and the fixing rods (4) are fixedly connected with a discharge hole of the furnace body (1).