CN220283984U - Single steam drum self-deoxidizing coke oven riser waste heat recycling system - Google Patents
Single steam drum self-deoxidizing coke oven riser waste heat recycling system Download PDFInfo
- Publication number
- CN220283984U CN220283984U CN202321676464.5U CN202321676464U CN220283984U CN 220283984 U CN220283984 U CN 220283984U CN 202321676464 U CN202321676464 U CN 202321676464U CN 220283984 U CN220283984 U CN 220283984U
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- CN
- China
- Prior art keywords
- deoxidizing
- steam
- coke oven
- steam drum
- water
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- 239000000571 coke Substances 0.000 title claims abstract description 35
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000001174 ascending effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 238000011033 desalting Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000004939 coking Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Industrial Gases (AREA)
Abstract
The utility model discloses a waste heat recycling system of a single steam drum self-deoxidizing coke oven riser, which comprises a desalting water tank, a desalting water pump, a deoxidizing head, a steam drum, a forced circulation pump and a coke oven riser heat exchanger which are sequentially connected, wherein the coke oven riser heat exchanger is connected with the steam drum, and the deoxidizing head is connected with the steam drum to form integral equipment. Through using novel single steam pocket from deoxidization coke oven tedge waste heat recovery utilizes system, combine independent deaerator and independent steam pocket, subtract the feed pump system between independent deaerator and the independent steam pocket, compare in traditional system simple structure, equipment quantity is few, control is convenient, the operation is stable, has strengthened the reliability of system, has reduced investment cost and operation maintenance cost.
Description
Technical Field
The utility model relates to the field of waste heat utilization, in particular to a single-drum self-deoxidizing coke oven riser waste heat recycling system.
Background
The efficient recycling of waste heat resources generated in the coking process flow is a main direction for establishing energy conservation of a green coking plant with resource conservation and environmental friendliness, and is one of main ways for reducing energy consumption of a coke oven. In the prior art, waste heat recovery of raw coke oven gas is realized by adopting a coke oven ascending pipe with a heat exchange function, the waste heat recovery system generally comprises an ascending pipe heat exchanger, a steam drum, a deaerator and the like, desalted water in the ascending pipe heat exchanger enters the deaerator for deaeration, then enters the steam drum through a water supply pump, and enters the ascending pipe heat exchanger through the steam drum for absorbing heat and evaporating and then returns to the steam drum for realizing gas-liquid separation, and separated steam is input into a gas system. The system comprises an independent deaerator and an independent steam drum, and comprises a desalting water pump, a water supply pump and a forced circulation pump, and is large in equipment quantity and complex in system.
Disclosure of Invention
The utility model aims to provide a single-steam-drum self-deoxidizing coke oven riser waste heat recycling system, which solves the problems of excessively complex and high operation and maintenance cost of the coke oven riser waste heat recycling system and meets the requirements of waste heat recycling and safe and stable operation.
The technical problems of the utility model are mainly solved by the following technical proposal: a single steam drum self-deoxidizing coke oven riser waste heat recycling system comprises a desalting water tank, a desalting water pump, a deoxidizing head, a steam drum, a forced circulation pump and a coke oven riser heat exchanger which are connected in sequence, wherein the coke oven riser heat exchanger is connected with the steam drum. The deaeration head is connected with the steam drum to form integral equipment, deaeration and steam-water separation in the system are completed in the integral equipment, a desalting water pump pumps desalted water to integral equipment formed by the deaeration head and the steam drum, and the desalted water enters the steam drum after deaeration is carried out in the deaeration head to form deaerated water;
the deoxidized water flows into the coke oven riser heat exchanger from the steam drum through the pressurization of the forced circulation pump, is heated to the steam-water mixture and then returns to the steam drum, steam-water separation is carried out in the steam drum, and steam is conveyed to a steam pipe network after being separated.
The beneficial effects of the utility model are as follows:
(1) The novel single-drum self-deoxidizing coke oven riser waste heat recycling system combines the independent deaerator with the independent drum, and subtracts the water supply pump system between the independent deaerator and the independent drum, compared with the traditional system, the novel single-drum self-deoxidizing coke oven riser waste heat recycling system has the advantages of simple structure, less equipment quantity, convenience in control and stability in operation, enhances the reliability of the system, and reduces the equipment investment cost and the operation maintenance cost.
(2) The device has the advantages of simple structure, convenient installation and low installation cost, and when the demineralized water is subjected to high-temperature deoxidization in the deoxidization head, the heat required by high temperature can be provided by the steam-water mixture in the steam drum, so that the heat loss is reduced, and the efficient recycling of waste heat resources is facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an implementation of the present utility model.
Description of the reference numerals
1. A desalting water tank 2, a desalting water pump 3, a deoxidizing head 4, a steam drum 5, a forced circulation pump 6 and a coke oven riser heat exchanger
Detailed Description
The technical scheme of the utility model is further specifically described below by means of examples and with reference to the accompanying drawings.
Examples:
the utility model designs a waste heat recycling system of a single-drum self-deoxidizing coke oven riser pipe, which structurally comprises a desalting water tank 1, a desalting water pump 2, a deoxidizing head 3, a steam drum 4, a forced circulation pump 5 and a coke oven riser pipe heat exchanger 6 which are connected in sequence.
The water of the demineralized water tank 1 in the system comes from a demineralized water system in a factory, and the demineralized water pump 2 pumps the demineralized water in the demineralized water tank 1 to the deoxidizing head 3.
The structure of the deoxidizing head 3 is vertical, the deoxidizing head 3 internally comprises a deoxidizing nozzle and a water spraying disc, the deoxidizing head 3 deoxidizes desalted water and heats the desalted water to about 160 ℃, the deoxidizing head 3 and a steam drum 4 at the lower part are integrated equipment, and the heat required by deoxidizing is provided by the steam drum 4.
The deaerated water is deoxidized to form deaerated water which enters the steam drum 4, the deaerated water in the steam drum 4 is pumped to the coke oven ascending tube heat exchanger 6 by the forced circulation pump 5 to be heated, the deaerated water is in a steam-water mixture state after being heated, and the steam-water mixture leaves the coke oven ascending tube heat exchanger 6 to enter the steam drum 4.
The steam drum 4 is horizontal in structure, the inside of the steam drum 4 comprises a steam-water separator, steam-water mixture from the coke oven riser heat exchanger 6 is subjected to steam-water separation in the steam drum 4, part of steam is sent to a steam pipe network, and part of steam is used for providing heat for the deoxidizing head 3.
The novel single steam drum self-deoxidizing coke oven riser waste heat recycling system combines the independent deaerator with the independent steam drum, the water outlet of the deaerating head 3 and the water inlet of the steam drum 4 are directly connected through a clamp and the like, and the water feeding pump system between the independent deaerator and the independent steam drum is subtracted.
Claims (7)
1. A single steam drum self-deoxidizing coke oven riser waste heat recycling system is characterized in that: the device comprises a demineralized water tank (1), a demineralized water pump (2), a deoxidizing head (3), a steam drum (4), a forced circulation pump (5) and a coke oven ascending tube heat exchanger (6), wherein the demineralized water tank, the demineralized water pump, the deoxidizing head (3), the steam drum (4) and the forced circulation pump are sequentially connected, the coke oven ascending tube heat exchanger (6) is connected with the steam drum (4), and the deoxidizing head (3) is connected with the steam drum (4) to form integral equipment.
2. The single drum self-deoxidizing coke oven riser waste heat recycling system of claim 1, wherein: the water outlet of the deoxidizing head (3) is connected with the water inlet of the steam drum (4).
3. The single drum self-deoxidizing coke oven riser waste heat recycling system of claim 1, wherein: the desalted water in the desalted water tank (1) flows into integral equipment formed by the deoxidizing head (3) and the steam drum (4) under pressure through the desalted water pump (2).
4. A single drum self-deoxidizing coke oven riser waste heat recycling system as claimed in claim 3, wherein: the desalted water is deoxidized in the deoxidizing head (3) to form deoxidized water, and then enters the steam drum (4).
5. The single drum self-deoxidizing coke oven riser waste heat recycling system of claim 4, wherein: the deoxidized water flows into a coke oven riser heat exchanger (6) from a steam drum (4) under pressure by a forced circulation pump (5), is heated to a steam-water mixture and then returns to the steam drum (4).
6. The single drum self-deoxidizing coke oven riser waste heat recycling system of claim 5, wherein: the steam drum (4) is internally provided with a steam-water separation device, steam-water mixture is subjected to steam-water separation in the steam drum (4), and steam is separated and then is conveyed to a steam pipe network.
7. The single drum self-deoxidizing coke oven riser waste heat recycling system according to claim 4 or 6, wherein: the deaeration of the deaeration water in the deaeration head (3) is high-temperature deaeration, and heat required by high temperature is provided by a steam-water mixture in the steam drum (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676464.5U CN220283984U (en) | 2023-06-29 | 2023-06-29 | Single steam drum self-deoxidizing coke oven riser waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676464.5U CN220283984U (en) | 2023-06-29 | 2023-06-29 | Single steam drum self-deoxidizing coke oven riser waste heat recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220283984U true CN220283984U (en) | 2024-01-02 |
Family
ID=89325534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321676464.5U Active CN220283984U (en) | 2023-06-29 | 2023-06-29 | Single steam drum self-deoxidizing coke oven riser waste heat recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220283984U (en) |
-
2023
- 2023-06-29 CN CN202321676464.5U patent/CN220283984U/en active Active
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