CN216482425U - Multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas - Google Patents
Multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas Download PDFInfo
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- CN216482425U CN216482425U CN202123075665.3U CN202123075665U CN216482425U CN 216482425 U CN216482425 U CN 216482425U CN 202123075665 U CN202123075665 U CN 202123075665U CN 216482425 U CN216482425 U CN 216482425U
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- 239000000571 coke Substances 0.000 title claims abstract description 60
- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 66
- 239000002826 coolant Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 239000007791 liquid phase Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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Abstract
The utility model discloses a special stranded whirl plate heat exchanger of coke oven crude gas cooling. It comprises a liquid inlet, a liquid outlet, an air inlet, an air outlet and a rotational flow plate; the liquid inlet and the liquid outlet are respectively arranged at the two side ends of the rotational flow plate; the air inlet and the air outlet are respectively positioned at the upper end and the lower end of the rotational flow plate; the rotational flow plate is a multi-strand rotational flow plate; the rotational flow plate comprises a cavity A and a cavity B; the cavity A and the cavity B are both in a rotational flow structure, and the cavity A is arranged close to the cavity B; the air inlet and the air outlet are respectively communicated with the cavity B; the liquid inlet and the liquid outlet are respectively communicated with the cavity A. The utility model has the advantages of make gas passage be greater than or equal to liquid passage, make coke oven crude gas form the torrent in the tower body, reinforcing gas, liquid heat transfer effect reduce equipment volume, reduce the energy consumption. The utility model has the advantages of increase coke oven raw coke oven gas feed flow increases the sectional area of comdenstion water inlet flow in the time, satisfies the flow requirement of coke oven raw coke oven gas and comdenstion water feeding simultaneously.
Description
Technical Field
The utility model relates to a special multistrand whirl plate heat exchanger of coke oven crude gas cooling.
Background
In the prior art, the large-scale of coke oven crude gas cooling equipment and process units in the coking industry is a necessary trend of development, a gas primary cooler in the coking industry is developed from an initial single heat exchange area of 2000m2 to a current single heat exchange area of 9600m2, and the weight of the single equipment is up to 420 tons per equipment. The problems associated with such large scale equipment are: the equipment has the advantages of complex structure, large occupied area and higher cost.
Among the square horizontal pipe cooler of current tradition, the coolant passes through flange one direct current to being located a set of horizontal pipe cooler of lowermost end from a set of horizontal pipe cooler that is located the top, the temperature of the coolant that is located horizontal pipe cooler at each layer varies, and from top to bottom increases progressively, and cooling efficiency steadilys decrease, and heat exchange efficiency is low, and in summer because ambient temperature is too high, through tower body to coke oven raw coke oven gas heat transfer, cause the coke oven raw coke oven gas temperature of following tower body gas outlet exhaust to can not satisfy the user demand.
The existing traditional square transverse pipe cooler adopts a square tower body and a transverse pipe cooler, a gas (coke oven crude gas) channel is only 1/8 of a tower body cavity, a liquid (coolant)) channel is a tower body cavity 7/8, the flow of the coke oven crude gas is far greater than that of the coolant, so that the coke oven crude gas forms laminar flow in the tower body, the design structure is unreasonable, and therefore, the volume of the tower body needs to be enlarged on the premise of meeting the cooling requirement, and the energy consumption is increased.
Therefore, it is necessary to develop a coke oven crude gas heat exchanger which can ensure the uniformity of heat exchange, reduce the volume of the tower body and reduce the energy consumption.
Disclosure of Invention
The utility model aims at providing a be exclusively used in coke oven crude gas refrigerated stranded whirl plate heat exchanger, increase comdenstion water feed liquor flow's sectional area when increasing coke oven crude gas feed flow, let coke oven crude gas passageway and comdenstion water passageway flow proportion reasonable, satisfy the flow requirement of coke oven crude gas and comdenstion water feeding simultaneously, guarantee the heat transfer homogeneity, reduce the tower body volume, reduce the energy consumption.
In order to realize the purpose, the technical scheme of the utility model is that: the multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas is characterized in that: comprises a liquid inlet, a liquid outlet, an air inlet, an air outlet and a rotational flow plate;
the liquid inlet and the liquid outlet are respectively arranged at the two side ends of the rotational flow plate;
the air inlet and the air outlet are respectively positioned at the upper end and the lower end of the rotational flow plate;
the rotational flow plate is a multi-strand rotational flow plate;
the rotational flow plate comprises a cavity A and a cavity B; the cavity A and the cavity B are both in a rotational flow structure, and the cavity A is arranged close to the cavity B;
the air inlet and the air outlet are respectively communicated with the cavity B;
the liquid inlet and the liquid outlet are respectively communicated with the cavity A.
In the technical scheme, one or more swirl plates are arranged;
when the swirl plate is multiple, the plurality of swirl plates are connected in parallel and/or in series.
In the above technical solution, the swirl plate includes a plurality of swirl structures; the rotation directions of the plurality of rotational flow structures are the same;
the rotational flow structure is of a spiral structure;
and each rotational flow structure is provided with a cavity A and a cavity B.
In the technical scheme, one or more liquid outlets are provided;
at least one liquid outlet is communicated with the cavities A on the plurality of rotational flow structures.
In the technical scheme, a plurality of air inlets are provided; the air outlet is provided with a plurality of air outlets.
The utility model has the advantages of as follows:
(1) the sectional area of the inlet flow of the condensed water is increased while the feeding flow of the coke oven raw gas is increased, the sectional area of the inlet flow of the condensed water is increased, the flow proportion of a coke oven raw gas channel and the condensed water channel is reasonable, and the flow requirements of the feeding of the coke oven raw gas and the condensed water are met; the method overcomes the defects that the proportion of gas phase and liquid phase is adjusted by increasing the gas channel and reducing the condensed water channel, but the method can lead to small flow of the liquid phase (namely, condensing agent) and can not meet the flow requirement of condensed water feeding, and the temperature difference of the liquid inlet and the liquid outlet is large due to small flow of the condensing agent, thereby influencing the uniformity of heat exchange.
(2) Through setting up stranded whirl board, reduce the distance of liquid phase import, export (reduce the interval of inlet, liquid outlet promptly), reduce the difference in temperature of inlet, liquid outlet, guarantee the heat transfer homogeneity of whirl structure cross-section in the device.
(3) The gas channel is enlarged, the gas phase and liquid phase proportion is adjusted to be proper, the design structure is reasonable, the gas channel is larger than or equal to the liquid channel, the coke oven crude gas forms turbulence in the tower body, the gas and liquid heat exchange effect is enhanced, the design structure is reasonable, the equipment volume is reduced, and the energy consumption is reduced; the problem that the traditional square transverse pipe cooler adopts a square tower body and a transverse pipe cooler, a gas (coke oven crude gas) channel is only 1/8 of a tower body cavity, a liquid (coolant)) channel is a tower body cavity 7/8, the flow of the coke oven crude gas is far greater than that of the coolant, the coke oven crude gas forms laminar flow in the tower body, the design structure is unreasonable, the size of the tower body needs to be enlarged on the premise of meeting the cooling requirement, and the energy consumption is increased is overcome.
Drawings
Fig. 1 is the utility model provides a whirl board sets up the structural schematic diagram of two whirl structures.
Fig. 2 is a side view of fig. 1.
Fig. 3 is the utility model provides a whirl board sets up the structural schematic of three whirl structure.
Fig. 4 is a top view of the rotational flow plate of the present invention provided with two rotational flow structures.
Fig. 5 is a bottom view of the rotational flow plate of the present invention with two rotational flow structures.
Fig. 6 is a schematic perspective view of fig. 1.
Fig. 7 is a schematic perspective view of fig. 3.
Fig. 8 is the utility model provides a whirl board sets up three whirl structure, and every whirl is structural to be set up an inlet, the structure schematic diagram of a liquid outlet of three whirl structure sharing.
Fig. 9 is the utility model provides a whirl board sets up three whirl structure, and every whirl is structural sets up the schematic structure of an inlet, a liquid outlet.
The arrows in fig. 6 indicate the flow of the coke oven raw gas.
In the figure, 1-shell, 2-liquid inlet, 3-liquid outlet, 4-air inlet, 5-air outlet, 6-rotational flow plate, 6.1-cavity A, 6.2-cavity B and 6.3-rotational flow structure.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
With reference to the accompanying drawings: the multi-strand rotational flow plate type heat exchanger special for cooling the coke oven crude gas comprises a liquid inlet 2, a liquid outlet 3, an air inlet 4, an air outlet 5 and a rotational flow plate 6;
the liquid inlet 2 and the liquid outlet 3 are respectively arranged at two side ends of the cyclone plate 6 and are communicated with the cyclone plate 6 (as shown in fig. 1, 3, 4, 5, 6 and 7);
the air inlet 4 and the air outlet 5 are respectively positioned at the upper end and the lower end of the rotational flow plate 6 and are communicated with the rotational flow plate 6; gas phase (coke oven crude gas) sequentially passes through the gas inlet 4, the cavity A6.1 and the gas outlet 5 from top to bottom, and exchanges heat with the coolant flowing through the cavity A6.1, so that a gas channel is larger than or equal to a liquid channel, the coke oven crude gas forms turbulence in the tower body, the gas-liquid heat exchange effect is enhanced, the design structure is reasonable, the equipment volume is reduced, and the energy consumption is reduced;
the swirl plate 6 is a multi-strand swirl plate 6 (as shown in fig. 1, 3, 6 and 7); the distance between the liquid phase inlet and the liquid phase outlet is reduced (namely the distance between the liquid inlet and the liquid outlet is reduced), the temperature difference between the liquid inlet and the liquid outlet is reduced, and the heat exchange uniformity of the cross section of the cyclone structure in the device of the utility model is ensured;
the rotational flow plate 6 comprises a cavity A6.1 and a cavity B6.2; the cavity A6.1 and the cavity B6.2 are both in a rotational flow structure, and the cavity A6.1 is tightly attached to the cavity B6.2 (as shown in figures 1, 2, 3, 6 and 7);
the air inlet 4 and the air outlet 5 are respectively communicated with the cavity B6.2 (as shown in figures 4, 5, 6 and 7);
the liquid inlet 2 and the liquid outlet 3 are respectively communicated with the cavity A6.1; the cavity A6.1 and the cavity B6.2 are vertically arranged.
Further, the swirl plate 6 has one or more;
when there are a plurality of swirl plates 6, the plurality of swirl plates 6 are connected in parallel and/or in series.
Further, the swirl plate 6 comprises a plurality of swirl structures 6.3 (shown in fig. 1, 3, 6 and 7); the utility model discloses a be exclusively used in cryogenic multi-strand whirl plate heat exchanger of coke oven crude gas cooling sets up three runner at least (be respectively one and be a gaseous phase runner of vertical arrangement, two transversely arranged liquid phase runners), increases the sectional area of comdenstion water feed liquor flow when increasing coke oven crude gas feed flow, increases the sectional area of comdenstion water feed liquor flow, lets coke oven crude gas passageway and comdenstion water passageway flow ratio reasonable, satisfies the flow requirement of coke oven crude gas and comdenstion water feeding simultaneously;
the rotational directions of the rotational flow structures 6.3 are the same, the rotational start points can be located on the same circumference or can be arranged on different circumferences according to actual conditions, so that centralized management and control are facilitated, and the rotational end points can be located on the same circumference or can be arranged on different circumferences according to actual conditions, so that personalized requirements can be met (as shown in fig. 6 and 7);
the multi-strand rotational flow in the multi-strand rotational flow plate type heat exchanger special for cooling the coke oven crude gas means that the number of rotational flow structures is multiple (assuming that the number of rotational flow structures is i, i is more than or equal to 2, and i is a positive integer); for example, according to the actual use demand, the utility model discloses can be for being exclusively used in the plate heat exchanger of other whirl structure quantity such as two strand flow whirl plate heat exchangers or three strand flow whirl plate heat exchangers or four strand flow whirl plate heat exchangers of coke oven crude gas cooling. The media (i.e., coolant) introduced into each plate heat exchanger may be the same or different depending on the application requirements.
The rotational flow structure 6.3 is in a spiral structure (as shown in figures 1, 3, 6 and 7);
each cyclone structure 6.3 is provided with a cavity a6.1 and a cavity B6.2 (as shown in fig. 1, 3, 6 and 7).
Further, one or more liquid outlets 3 are provided;
each rotational flow structure 6.3 is provided with a liquid inlet 2 communicated with the cavity A6.1;
at least one liquid outlet 3 is communicated with the cavities a6.1 on the plurality of rotational flow structures 6.3, that is, according to the actual use situation, the liquid outlet 3 communicated with the cavity a6.1 can be arranged on each rotational flow structure 6.3, and also the plurality of rotational flow structures 6.3 can share one liquid outlet 3, that is, one liquid outlet 3 is communicated with the plurality of cavities a6.1 (as shown in fig. 6, 7, 8 and 9).
Further, the air inlet 4 is plural; the number of the air outlets 5 is multiple; the gas inlet 4 and the gas outlet 5 are both in a spiral structure and are matched with the upper end surface and the lower end surface of the rotational flow structure 6.3, so that the circulation heat exchange requirement of the coke oven crude gas is met (as shown in figures 4 and 5).
Example 1
The multi-strand rotational flow plate type heat exchanger special for cooling the coke oven crude gas comprises a shell 1, a liquid inlet 2, a liquid outlet 3, an air inlet 4, an air outlet 5 and a rotational flow plate 6;
the liquid inlets 2 are arranged on the inner side surface of the shell 1, and the number of the liquid inlets 2 is two; the liquid outlets 3 are arranged on the outer side surface of the shell 1, and the number of the liquid outlets 3 is two;
the air inlet 4 and the air outlet 5 are respectively arranged at the upper end and the lower end of the shell 1;
the rotational flow plates 6 are positioned in the shell 1, and one rotational flow plate 6 is arranged; the rotational flow plate 6 comprises two rotational flow structures 6.3, and the side wall of each rotational flow structure 6.3 is respectively connected with a liquid inlet 2 and a liquid outlet 3; the liquid inlet 2, the cavity A6.1 and the liquid outlet 3 are communicated in sequence; the coolants in the two rotational flow structures 6.3 are the same and are both normal-temperature water;
the rotational flow structure 6.3 is of a spiral structure and is provided with four turns of spiral coils; the liquid inlet 2 and the liquid outlet 3 are respectively arranged at two side ends of the rotational flow plate 6 (namely, the liquid inlet 2 is arranged on the outermost layer of the spiral ring, and the liquid outlet 3 is arranged on the innermost layer of the spiral ring);
the upper end and the lower end of each rotational flow structure 6.3 are respectively communicated with an air inlet 4 and an air outlet 5; the air inlet 4, the cavity B6.2 and the air outlet 5 are communicated in sequence;
the cavity A6.1 is tightly attached to the cavity B6.2; the cavity A6.1 and the cavity B6.2 are both in a spiral structure.
The working process of the multi-strand rotational flow plate type heat exchanger special for cooling the coke oven crude gas is as follows: the coolant enters the multi-strand rotational flow plate type heat exchanger specially used for cooling the coke oven crude gas from the two liquid inlets 2 respectively, flows through the liquid inlets 2, the cavity A6.1 and the liquid outlet 3 in sequence and flows out of the liquid outlet 3;
raw coke oven gas to be cooled flows through the gas inlet 4, the cavity B6.2 and the gas outlet 5 from top to bottom in sequence and flows out of the gas outlet 5;
the coolant flowing through the cavity A6.1 exchanges heat with the coke oven crude gas to be cooled flowing through the cavity B6.2, the coolant takes away the heat of the coke oven crude gas to be cooled, and the cooled coke oven crude gas is discharged from the gas outlet 5 to the next operation stage.
And (4) conclusion: in the embodiment, the cross section of the inlet flow of the condensed water is increased while the feeding flow of the coke oven raw gas is increased, so that the flow ratio of the coke oven raw gas channel to the condensed water channel is reasonable, the flow requirements of the coke oven raw gas and the condensed water feeding are met, the heat exchange uniformity is ensured, the volume of the tower body is reduced, and the energy consumption is reduced; and through setting up stranded whirl board, reduce the interval of inlet, liquid outlet, reduce the difference in temperature of inlet, liquid outlet, guarantee the heat transfer homogeneity of whirl structure cross-section in this embodiment.
Example 2
The structure and the working process of the multi-strand swirl plate heat exchanger special for cooling the coke oven crude gas are the same as those of the embodiment 1, and the difference is that: the rotational flow plate 6 comprises three rotational flow structures 6.3, and the liquid inlet 2 and the liquid outlet 3 are respectively provided with three; the rotational flow structure 6.3 is provided with three turns of spiral coils, so that the flow area is increased, and the temperature difference between an inlet and an outlet is reduced.
And (4) conclusion: the effect of this example (i.e., gas-liquid heat exchange effect) is the same as that of example 1.
Example 3
The structure and the working process of the multi-strand swirl plate heat exchanger special for cooling the coke oven crude gas are the same as those of the embodiment 1, and the difference is that: the number of the swirling plates 6 in this embodiment is two; two whirl plates 6 are connected in series, and the liquid outlet 3 of one of them whirl plate 6 is connected in series with the liquid inlet 2 of another whirl plate 6.
And (4) conclusion: the use effect (i.e. gas-liquid heat exchange effect) of this example is superior to that of example 1.
Example 4
The structure and the working process of the multi-strand swirl plate heat exchanger special for cooling the coke oven crude gas are the same as those of the embodiment 1, and the difference is that: the number of the swirling plates 6 in this embodiment is two; two whirl plates 6 parallel connection, the inlet 2 of one of them whirl plate 6 and 2 parallel connection, the liquid outlet 3 of another whirl plate 6 and 3 parallel connection of the liquid outlet of another whirl plate 6 with the inlet 2 of another whirl plate 6.
And (4) conclusion: the use effect (i.e. gas-liquid heat exchange effect) of this example is superior to that of example 1.
Example 5
The structure and the working process of the multi-strand swirl plate heat exchanger special for cooling the coke oven crude gas are the same as those of the embodiment 1, and the difference is that: the rotational flow plate 6 comprises six rotational flow structures 6.3, and the liquid inlet 2 and the liquid outlet 3 are respectively provided with six rotational flow structures; the rotational flow structure 6.3 is provided with two circles of spiral coils, so that the flow area is increased, and the temperature difference between an inlet and an outlet is reduced.
And (4) conclusion: the effect of this example (i.e., gas-liquid heat exchange effect) is the same as that of example 1.
Other parts not described belong to the prior art.
Claims (5)
1. The multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas is characterized in that: comprises a liquid inlet (2), a liquid outlet (3), an air inlet (4), an air outlet (5) and a rotational flow plate (6);
the liquid inlet (2) and the liquid outlet (3) are respectively arranged at two side ends of the rotational flow plate (6);
the air inlet (4) and the air outlet (5) are respectively positioned at the upper end and the lower end of the rotational flow plate (6);
the rotational flow plate (6) is a multi-strand rotational flow plate (6);
the rotational flow plate (6) comprises a cavity A (6.1) and a cavity B (6.2); the cavity A (6.1) and the cavity B (6.2) are both in a rotational flow structure, and the cavity A (6.1) is tightly attached to the cavity B (6.2);
the air inlet (4) and the air outlet (5) are respectively communicated with the cavity B (6.2);
the liquid inlet (2) and the liquid outlet (3) are respectively communicated with the cavity A (6.1).
2. The multi-strand swirl plate heat exchanger special for cooling coke oven crude gas according to claim 1, characterized in that: one or more swirl plates (6) are arranged;
when the swirl plate (6) is provided with a plurality of swirl plates, the plurality of swirl plates (6) are connected in parallel and/or in series.
3. The multi-strand swirl plate heat exchanger special for cooling coke oven crude gas according to claim 1 or 2, characterized in that: the swirl plate (6) comprises a plurality of swirl structures (6.3); the rotational directions of the plurality of rotational flow structures (6.3) are the same;
the rotational flow structure (6.3) is of a spiral structure;
and each rotational flow structure (6.3) is provided with a cavity A (6.1) and a cavity B (6.2).
4. The multi-strand swirl plate heat exchanger special for cooling coke oven crude gas as claimed in claim 3, wherein: one or more liquid outlets (3) are arranged;
at least one liquid outlet (3) is communicated with the cavities A (6.1) on the plurality of rotational flow structures (6.3).
5. The multi-strand swirl plate heat exchanger special for cooling coke oven crude gas according to claim 4, characterized in that: a plurality of air inlets (4) are arranged; a plurality of air outlets (5) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075665.3U CN216482425U (en) | 2021-12-09 | 2021-12-09 | Multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075665.3U CN216482425U (en) | 2021-12-09 | 2021-12-09 | Multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216482425U true CN216482425U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123075665.3U Active CN216482425U (en) | 2021-12-09 | 2021-12-09 | Multi-strand rotational flow plate type heat exchanger special for cooling coke oven crude gas |
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| Country | Link |
|---|---|
| CN (1) | CN216482425U (en) |
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2021
- 2021-12-09 CN CN202123075665.3U patent/CN216482425U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230613 Address after: 433226 No. 1 Zhonghua Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee after: Lu Dexiang Patentee after: Honghu Yinlong New Energy Engineering Co.,Ltd. Address before: 433226 No. 1 Zhonghua Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee before: Lu Dexiang |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: 433226 No. 1 Zhonghua Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee after: Lu Ying Address before: 433226 No. 1 Zhonghua Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee before: Lu Dexiang Patentee before: Honghu Yinlong New Energy Engineering Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUBEI TENGFEI PETROCHEMICAL TECHNOLOGY CO.,LTD. Assignor: Lu Ying Contract record no.: X2024980000177 Denomination of utility model: Multi stream swirl plate heat exchanger specifically designed for cooling coke oven raw gas Granted publication date: 20220510 License type: Exclusive License Record date: 20240108 |