CN216431783U

CN216431783U - A high-efficient cooling device of flue gas for petroleum coke calcination

Info

Publication number: CN216431783U
Application number: CN202122704053.XU
Authority: CN
Inventors: 荣芹; 荣泽强; 王耀伟; 刘庆芬; 张有武; 傅伟; 赵恩伟
Original assignee: Lijin Rongda New Material Co ltd
Current assignee: Lijin Rongda New Material Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-03
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a high-efficient cooling device of flue gas for petroleum coke calcination relates to the flue gas cooling field, including dirty section of thick bamboo, a first cooling section of thick bamboo and the second cooling section of thick bamboo of collection, the internally mounted of a first cooling section of thick bamboo has spiral chute, spiral chute's downside terminal surface is fixed with the spiral shower, the bottom of spiral shower is fixed with the shower nozzle along pipe shaft direction equidistant, the inside of a second cooling section of thick bamboo is provided with the cooling chamber, the top in cooling chamber is provided with the exhaust chamber, the inside nestification in cooling chamber has the spiral cooling tube, the right side bottom in cooling chamber is provided with the raceway. The utility model discloses a spiral chute can prolong high temperature flue gas dwell time in a first cooling section of thick bamboo to wash the cooling to high temperature flue gas through the shower nozzle on the spiral shower, and be provided with cooling chamber and spiral cooling tube in a second cooling section of thick bamboo, can further cool down for the flue gas, improved the cooling effect, can reduce the temperature of flue gas fast.

Description

A high-efficient cooling device of flue gas for petroleum coke calcination

Technical Field

The utility model relates to a flue gas cooling field, concretely relates to high-efficient cooling equipment of flue gas for petroleum coke calcination.

Background

The calcined petroleum coke is used as a main raw material for producing carbon products and has wide application in the carbon industry. The rotary kiln has the advantages of simple structure, high automation level and the like, so that the rotary kiln is a petroleum coke calcination mode adopted by most enterprises. During the cooling treatment process of the high-temperature calcined petroleum coke, a large amount of high-temperature flue gas is generated. The high-temperature gas needs to be subjected to temperature reduction treatment before being discharged. The purpose of flue gas cooling is to adjust the flue gas to a certain low temperature range so as to meet the requirements of dust collecting equipment and exhaust fans. The cooling equipment not only cools the flue gas, but also has a certain dust collection function.

At present, most high-temperature flue gas cooling is through inputing high-temperature flue gas into the cooling tower in, carries out the water spray washing to high-temperature flue gas, nevertheless because high-temperature flue gas dwell time is short in the cooling tower, water and flue gas contact time are short, and inhomogeneous, and it is poor to flue gas washing cooling effect.

Therefore, it is necessary to invent a flue gas high-efficiency cooling device for petroleum coke calcination to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient cooling device of flue gas for petroleum coke calcination, through be provided with spiral chute and spiral shower in a first cooling section of thick bamboo, the spiral chute can prolong high temperature flue gas dwell time in a first cooling section of thick bamboo, and wash the cooling through the high temperature flue gas of shower nozzle on the spiral shower in to the spiral chute, can reduce the temperature of flue gas effectively and reduce dust impurity's in the flue gas content, and be provided with cooling chamber and spiral cooling tube in a second cooling section of thick bamboo, can further cool down for the flue gas, the cooling effect is improved, can reduce the temperature of flue gas fast, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a high-efficiency flue gas cooling device for petroleum coke calcination comprises a dirt collecting barrel, a first cooling barrel and a second cooling barrel, wherein the first cooling barrel is arranged at the upper end of the dirt collecting barrel, the second cooling barrel is arranged at the upper end of the first cooling barrel, a spiral chute is arranged inside the first cooling barrel, a spiral spray pipe is fixed on the lower side end face of the spiral chute, spray heads are fixed at the bottom of the spiral spray pipe at equal intervals along the pipe body direction, an air inlet pipe is connected to the lower portion of the left side of the first cooling barrel and communicated with the inner cavity of the first cooling barrel, a water inlet pipe is connected to the upper end of the left side of the first cooling barrel, one end of the water inlet pipe extending into the first cooling barrel is connected with the upper end of the spiral spray pipe, a cooling cavity is arranged inside the second cooling barrel, an exhaust cavity is arranged above the cooling cavity, and a first sealing plate is arranged between the cooling cavity and the exhaust cavity, the bottom in cooling chamber is provided with the second closing plate, the inside nestification in cooling chamber has the spiral cooling tube, the quantity of spiral cooling tube is provided with a plurality ofly, and is a plurality of first closing plate is run through to the upper end of spiral cooling tube, and is a plurality of the second closing plate is run through to the lower extreme of spiral cooling tube, the inner chamber and the exhaust chamber of first cooling section of thick bamboo through the spiral cooling tube link up mutually, the right side bottom in cooling chamber is provided with the raceway, the left side upper portion in cooling chamber is provided with the drain pipe, the right side upper portion in exhaust chamber is connected with the blast pipe.

Preferably, the first sealing plate and the second sealing plate are fixedly connected with the inner wall of the second cooling cylinder in a sealing manner.

Preferably, the one end that the cooling chamber was kept away from to the drain pipe is installed the connecting pipe, the other end and the inlet connection of connecting pipe.

Preferably, a sewage discharge pipe is arranged at the bottom of the right side of the sewage collecting cylinder.

Preferably, the bottom diameter of a first cooling section of thick bamboo is less than the upper end port diameter of an album dirty section of thick bamboo, the bottom nestification of a first cooling section of thick bamboo is in the upper end port of an album dirty section of thick bamboo, the fixed cover in the outside bottom of a first cooling section of thick bamboo has first connecting ring board, the fixed cover in the upper end outside of an album dirty section of thick bamboo has second connecting ring board, pass through bolted connection between second connecting ring board and the first connecting ring board.

Preferably, a first annular sealing gasket is arranged between the first connecting ring plate and the second connecting ring plate.

Preferably, the bottom diameter of the second cooling cylinder is smaller than the diameter of the upper end port of the first cooling cylinder, the bottom of the second cooling cylinder is nested in the upper end port of the first cooling cylinder, the outer side of the upper end of the first cooling cylinder is fixedly sleeved with a third connecting ring plate, the outer bottom of the second cooling cylinder is fixedly sleeved with a fourth connecting ring plate, and the fourth connecting ring plate is connected with the third connecting ring plate through bolts.

Preferably, a second annular sealing gasket is arranged between the fourth connecting ring plate and the third connecting ring plate.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the spiral chute and the spiral spraying pipe are arranged in the first cooling cylinder, the spiral chute can prolong the retention time of high-temperature flue gas in the first cooling cylinder, the high-temperature flue gas in the spiral chute is washed and cooled by the spray head on the spiral spraying pipe, the temperature of the flue gas can be effectively reduced, the content of dust and impurities in the flue gas can be effectively reduced, and the cooling cavity and the spiral cooling pipe are arranged in the second cooling cylinder, so that the flue gas can be further cooled, the cooling effect is improved, and the temperature of the flue gas can be rapidly reduced;

2. the first connecting ring plate on the first cooling cylinder is connected with the second connecting ring plate on the dirt collecting cylinder through the bolt, assembly between the first cooling cylinder and the dirt collecting cylinder is achieved, the fourth connecting ring plate on the second cooling cylinder is connected with the third connecting ring plate on the first cooling cylinder through the bolt, assembly between the first cooling cylinder and the second cooling cylinder is achieved, the dirt collecting cylinder, assembly between the first cooling cylinder and the second cooling cylinder is simple and rapid, rapid assembly can be achieved, meanwhile, disassembly and replacement are convenient, and the using effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a sectional view of a first cooling cylinder of the present invention;

FIG. 3 is a connection diagram of the spiral chute and the spiral spray pipe of the present invention;

FIG. 4 is a sectional view of a second cooling cylinder of the present invention;

fig. 5 is a cross-sectional view of the dirt collecting cylinder of the present invention.

Description of reference numerals:

1 dirt collecting cylinder, 2 first cooling cylinders, 3 second cooling cylinders, 4 spiral chutes, 5 spiral spray pipes, 6 spray heads, 7 air inlet pipes, 8 water inlet pipes, 9 cooling cavities, 10 exhaust cavities, 11 first sealing plates, 12 second sealing plates, 13 spiral cooling pipes, 14 water conveying pipes, 15 water discharging pipes, 16 connecting pipes, 17 exhaust pipes, 18 sewage discharging pipes, 19 first connecting ring plates, 20 second connecting ring plates, 21 first annular sealing gaskets, 22 third connecting ring plates, 23 fourth connecting ring plates and 24 second annular sealing gaskets.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a flue gas high-efficiency cooling device for petroleum coke calcination as shown in figures 1-5, which comprises a sewage collecting cylinder 1, a first cooling cylinder 2 and a second cooling cylinder 3, wherein the first cooling cylinder 2 is arranged at the upper end of the sewage collecting cylinder 1, the second cooling cylinder 3 is arranged at the upper end of the first cooling cylinder 2, a spiral chute 4 is arranged inside the first cooling cylinder 2, a spiral spray pipe 5 is fixed at the lower side end face of the spiral chute 4, spray heads 6 are fixed at the bottom of the spiral spray pipe 5 at equal intervals along the pipe body direction, an air inlet pipe 7 is connected at the lower part of the left side of the first cooling cylinder 2, the air inlet pipe 7 is communicated with the inner cavity of the first cooling cylinder 2, a water inlet pipe 8 is connected at the upper end of the left side of the first cooling cylinder 2, one end of the water inlet pipe 8 extending into the first cooling cylinder 2 is connected with the upper end of the spiral spray pipe 5, the inside of second cooling cylinder 3 is provided with cooling chamber 9, the top in cooling chamber 9 is provided with exhaust chamber 10, be provided with first closing plate 11 between cooling chamber 9 and the exhaust chamber 10, the bottom in cooling chamber 9 is provided with second closing plate 12, the inside nestification in cooling chamber 9 has spiral cooling tube 13, the quantity of spiral cooling tube 13 is provided with a plurality ofly, and is a plurality of first closing plate 11 is run through to the upper end of spiral cooling tube 13, and is a plurality of the lower extreme of spiral cooling tube 13 runs through second closing plate 12, the inner chamber of first cooling cylinder 2 link up with exhaust chamber 10 mutually through the inner chamber of spiral cooling tube 13, the right side bottom in cooling chamber 9 is provided with raceway 14, the left side upper portion in cooling chamber 9 is provided with drain pipe 15, the right side upper portion in exhaust chamber 10 is connected with blast pipe 17.

The first sealing plate 11 and the second sealing plate 12 are fixedly connected with the inner wall of the second cooling cylinder 3 in a sealing manner, so that the sealing performance of the cooling cavity 9 is ensured, and water leakage is avoided.

Connecting pipe 16 is installed to the one end that cooling chamber 9 was kept away from to drain pipe 15, connecting pipe 16's the other end is connected with inlet tube 8 for water in the cooling chamber 9 can be through drain pipe 15 and connecting pipe 16 input inlet tube 8 in, rethread inlet tube 8 input spiral shower 5 in, by 6 blowout of shower nozzle on the spiral shower 5, cool down the high temperature flue gas.

The sewage pipe 18 is installed to the right side bottom of the dirty section of thick bamboo of collection 1, and a dirty section of thick bamboo 1 of collection is collected sewage, is convenient for collect sewage in the dirty section of thick bamboo 1 through sewage pipe 18 and discharges.

The implementation mode is specifically as follows: the water delivery pipe 14 is connected with an external water pipe, water is delivered to the water delivery pipe 14 through the external water pipe, the water enters the cooling cavity 9 through the water delivery pipe 14, fills the cooling cavity 9, is input into the water inlet pipe 8 through the water outlet pipe 15 and the connecting pipe 16, is input into the spiral spraying pipe 5 through the water inlet pipe 8, and is finally sprayed out through the spray head 6 on the spiral spraying pipe 5, the high-temperature flue gas enters the first cooling cylinder 2 through the air inlet pipe 7 and then moves upwards along the spiral chute 4, the flow path of the flue gas is effectively prolonged by the spiral chute 4, the residence time of the flue gas in the first cooling cylinder 2 is increased, when the flue gas moves on the spiral chute 4, the spray head 6 on the spiral spraying pipe 5 sprays water to wash and cool the high-temperature flue gas, the water sprayed out by the spray head 6 can effectively contact with the high-temperature flue gas, the cooling and dust removal effects on the high-temperature flue gas are greatly improved, the flue gas washed by the spiral chute 4 enters the second cooling cylinder 3, a plurality of spiral cooling tubes 13 in the second cooling section of thick bamboo 3 shunt the flue gas, and the flue gas gets into spiral cooling tube 13 in, realizes heat exchange with the water in the cooling chamber 9, has further reduced the temperature of flue gas, and the flue gas gets into exhaust chamber 10 in, discharges through blast pipe 17, and this embodiment has specifically solved existence among the prior art because high temperature flue gas dwell time is short in the cooling tower, and water and flue gas contact time are short, and inhomogeneous, and to the poor problem of establishing of flue gas washing cooling effect.

As shown in fig. 1-2 and fig. 4-5, the diameter of the bottom of the first cooling cylinder 2 is smaller than the diameter of the upper end port of the dirt collecting cylinder 1, the bottom of the first cooling cylinder 2 is nested in the upper end port of the dirt collecting cylinder 1, the bottom of the outer side of the first cooling cylinder 2 is fixedly sleeved with a first connecting ring plate 19, the outer side of the upper end of the dirt collecting cylinder 1 is fixedly sleeved with a second connecting ring plate 20, the second connecting ring plate 20 is connected with the first connecting ring plate 19 through a bolt, and the first cooling cylinder 2 is simply and firmly connected with the dirt collecting cylinder 1, so that the assembly is facilitated, and the disassembly and the replacement are facilitated.

A first annular sealing gasket 21 is arranged between the first connecting ring plate 19 and the second connecting ring plate 20, so that the sealing performance of the joint of the first cooling cylinder 2 and the dirt collecting cylinder 1 is improved, and water leakage and smoke leakage can be avoided.

The bottom diameter of a second cooling section of thick bamboo 3 is less than the upper end port diameter of a first cooling section of thick bamboo 2, the bottom nestification of a second cooling section of thick bamboo 3 is in the upper end port of a first cooling section of thick bamboo 2, the fixed third connecting ring board 22 that has cup jointed in the upper end outside of a first cooling section of thick bamboo 2, the fixed fourth connecting ring board 23 that has cup jointed in outside bottom of a second cooling section of thick bamboo 3, pass through bolted connection between fourth connecting ring board 23 and the third connecting ring board 22, it is simple firm to be connected between a second cooling section of thick bamboo 3 and a first cooling section of thick bamboo 2, and the equipment of being convenient for is convenient for, and convenient to detach changes simultaneously.

A second annular sealing gasket 24 is arranged between the fourth connecting ring plate 23 and the third connecting ring plate 22, so that the sealing property between the fourth connecting ring plate 23 and the third connecting ring plate 22 is improved, the sealing property of the joint of the second cooling cylinder 3 and the first cooling cylinder 2 is improved, and water leakage and smoke leakage can be avoided.

The implementation mode is specifically as follows: the lower end of a first cooling cylinder 2 is inserted into the upper end port of a sewage collecting cylinder 1, a first connecting ring plate 19 on the first cooling cylinder 2 is connected with a second connecting ring plate 20 on the sewage collecting cylinder 1 through bolts, the assembly between the first cooling cylinder 2 and the sewage collecting cylinder 1 is realized, the installation is simple, a first annular sealing gasket 21 is arranged between the first connecting ring plate 19 and the second connecting ring plate 20, the sealing performance of the joint of the first cooling cylinder 2 and the sewage collecting cylinder 1 is improved, water leakage and smoke leakage can be avoided, the lower end of a second cooling cylinder 3 is sleeved in the upper end port of the first cooling cylinder 2, a fourth connecting ring plate 23 on the second cooling cylinder 3 is connected with a third connecting ring plate 22 on the first cooling cylinder 2 through bolts, the assembly between the first cooling cylinder 2 and the second cooling cylinder 3 is realized, the installation is simple, the disassembly and the replacement are convenient at the same time, a second annular sealing gasket 24 is arranged between the fourth connecting ring plate 23 and the third connecting ring plate 22, the sealing performance of being connected between fourth connecting ring plate 23 and third connecting ring plate 22 has been improved to improved the sealing performance of second cooling section of thick bamboo 3 and first cooling section of thick bamboo 2 junction, can avoid leaking the cigarette that leaks, this embodiment has specifically solved the equipment that exists among the prior art inconvenient, and the inconvenient problem of dismantling.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a high-efficient cooling device of flue gas for petroleum coke calcination, includes dirty section of thick bamboo of collection (1), a first cooling section of thick bamboo (2) and a second cooling section of thick bamboo (3), its characterized in that: the first cooling cylinder (2) is arranged at the upper end of the sewage collecting cylinder (1), the second cooling cylinder (3) is arranged at the upper end of the first cooling cylinder (2), a spiral chute (4) is arranged inside the first cooling cylinder (2), a spiral spraying pipe (5) is fixed on the lower side end face of the spiral chute (4), spray heads (6) are fixed at the bottom of the spiral spraying pipe (5) at equal intervals along the pipe body direction, an air inlet pipe (7) is connected to the lower portion of the left side of the first cooling cylinder (2), the air inlet pipe (7) is communicated with the inner cavity of the first cooling cylinder (2), a water inlet pipe (8) is connected to the upper end of the left side of the first cooling cylinder (2), one end of the water inlet pipe (8) extending into the first cooling cylinder (2) is connected with the upper end of the spiral spraying pipe (5), and a cooling cavity (9) is arranged inside the second cooling cylinder (3), an exhaust cavity (10) is arranged above the cooling cavity (9), a first sealing plate (11) is arranged between the cooling cavity (9) and the exhaust cavity (10), a second sealing plate (12) is arranged at the bottom of the cooling cavity (9), a spiral cooling pipe (13) is nested in the cooling cavity (9), a plurality of spiral cooling pipes (13) are arranged, the upper ends of the spiral cooling pipes (13) penetrate through the first sealing plate (11), the lower ends of the spiral cooling pipes (13) penetrate through the second sealing plate (12), the inner cavity of the first cooling cylinder (2) is communicated with the exhaust cavity (10) through the inner cavity of the spiral cooling pipe (13), a water conveying pipe (14) is arranged at the bottom of the right side of the cooling cavity (9), a water discharging pipe (15) is arranged on the upper portion of the left side of the cooling cavity (9), and an exhaust pipe (17) is connected to the upper portion of the right side of the exhaust cavity (10).

2. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 1, wherein the equipment comprises: the first sealing plate (11) and the second sealing plate (12) are fixedly connected with the inner wall of the second cooling cylinder (3) in a sealing manner.

3. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 1, wherein the equipment comprises: the one end that cooling chamber (9) were kept away from in drain pipe (15) is installed connecting pipe (16), the other end and inlet tube (8) of connecting pipe (16) are connected.

4. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 1, wherein the equipment comprises: and a sewage discharge pipe (18) is arranged at the bottom of the right side of the sewage collection cylinder (1).

5. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 1, wherein the equipment comprises: the bottom diameter of a first cooling section of thick bamboo (2) is less than the upper end port diameter of a dirty section of thick bamboo of collection (1), the bottom nestification of a first cooling section of thick bamboo (2) is in the upper end port of a dirty section of thick bamboo of collection (1), the fixed cover in outside bottom of a first cooling section of thick bamboo (2) has connect first connecting ring board (19), the fixed second connecting ring board (20) that has cup jointed in the upper end outside of a dirty section of thick bamboo of collection (1), pass through bolted connection between second connecting ring board (20) and first connecting ring board (19).

6. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 5, wherein the equipment comprises: a first annular sealing gasket (21) is arranged between the first connecting ring plate (19) and the second connecting ring plate (20).

7. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 1, wherein the equipment comprises: the bottom diameter of a second cooling section of thick bamboo (3) is less than the upper end port diameter of a first cooling section of thick bamboo (2), the bottom nestification of a second cooling section of thick bamboo (3) is in the upper end port of a first cooling section of thick bamboo (2), the fixed cover in the upper end outside of a first cooling section of thick bamboo (2) has connected third connecting ring board (22), the fixed fourth connecting ring board (23) that has cup jointed in the outside bottom of a second cooling section of thick bamboo (3), pass through bolted connection between fourth connecting ring board (23) and third connecting ring board (22).

8. The high-efficiency flue gas cooling equipment for petroleum coke calcination as claimed in claim 7, wherein the equipment comprises: and a second annular sealing gasket (24) is arranged between the fourth connecting ring plate (23) and the third connecting ring plate (22).