CN113203240A - Industrial circulating water system - Google Patents
Industrial circulating water system Download PDFInfo
- Publication number
- CN113203240A CN113203240A CN202110456539.8A CN202110456539A CN113203240A CN 113203240 A CN113203240 A CN 113203240A CN 202110456539 A CN202110456539 A CN 202110456539A CN 113203240 A CN113203240 A CN 113203240A
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- Prior art keywords
- water
- circulating water
- water system
- circulating
- cold
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 223
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 210000000476 body water Anatomy 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C2001/006—Systems comprising cooling towers, e.g. for recooling a cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses an industrial circulating water system which comprises a furnace body water jacket circulating water system, a boiler circulating water system and an equipment cooling circulating water system which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system comprises a side-blown furnace, a first hot water pool, a first cooling tower and a first cold water pool which are sequentially connected and arranged; the boiler circulating water system comprises a pump for condensed water and a pure water tank connected with the pump through a steam pipeline; the equipment cooling circulating water system comprises a second hot water tank, a second cooling tower and a second cold water tank which are sequentially connected. The industrial circulating water system provided by the invention saves water resources, and has high circulating efficiency and more comprehensive circulating mode.
Description
Technical Field
The invention relates to the technical field of circulating water systems, in particular to an industrial circulating water system.
Background
In the industries of chemical industry, metallurgy, building materials, coking, electric power and the like, factory enterprises generate a large amount of heat in the production process. If this heat is not used efficiently, it can only be discharged as waste heat. One way of waste heat discharge is to take away heat through the industrial circulating water, and the temperature of the industrial circulating water is increased and then cooled by the cooling system, and meanwhile, the heat is discharged.
Except that the seawater directly passes through or the most common industrial circulating water cooling system is a wet circulating water cooling system, and a wet cooling tower is selected for cooling. The wet cooling tower has two types, namely an open type and a closed type, and the cooling process of the wet cooling tower needs to discharge heat out of the tower through evaporation and heat exchange of water so as to cool circulating water. The disadvantage of the wet circulating water cooling system is that a large amount of water is consumed, and the application of the wet circulating water cooling system is limited in water shortage areas.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an industrial circulating water system with high circulating efficiency and more comprehensive circulating mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
an industrial circulating water system comprises a furnace body water jacket circulating water system, a boiler circulating water system and an equipment cooling circulating water system which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system comprises a side-blown furnace, a first hot water pool, a first cooling tower and a first cold water pool which are sequentially and continuously arranged; the boiler circulating water system comprises a pump for condensed water and a pure water tank connected with the pump through a steam pipeline; the equipment cooling circulating water system comprises a second hot water tank, a second cooling tower and a second cold water tank which are sequentially connected.
The industrial circulating water system, wherein the hot water in the first hot water pool is delivered to the first cooling tower through a first hot water pump.
The industrial circulating water system is characterized in that cold water in the first cold water pool is conveyed to the side-blowing furnace through a first cold water pump.
The industrial circulating water system, wherein the hot water in the second hot water pool is delivered to the second cooling tower through a second hot water pump.
The industrial circulating water system is characterized in that cold water in the second cold water pool is conveyed to the equipment cold water pool through a second cold water pump.
The industrial circulating water system is characterized in that the steam pipeline adopts a 20# high-quality seamless steel pipe.
The industrial circulating water system is characterized in that the water supplementing quality of the equipment circulating water system is softened water and is directly supplemented to the second cold water tank.
The industrial circulating water system adopts side filtration for treating the equipment circulating water of the equipment cooling circulating water system, and the filtration water amount is 10m 3/h.
The industrial circulating water system adopts side filtration for circulating water treatment of the furnace body water jacket, and the filtration water amount is 4m 3/h.
The industrial circulating water system is characterized in that the pipeline of the furnace body water jacket circulating water and the pipeline of the equipment circulating water are both made of welded steel pipes and laid overhead.
Compared with the prior art, the industrial circulating water system disclosed by the invention comprises a furnace body water jacket circulating water system, a boiler circulating water system and an equipment cooling circulating water system which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system comprises a side-blown furnace, a first hot water pool, a first cooling tower and a first cold water pool which are sequentially and adjacently arranged; the boiler circulating water system comprises a pump for condensed water and a pure water tank connected with the pump through a steam pipeline; the equipment cooling circulating water system comprises a second hot water tank, a second cooling tower and a second cold water tank which are sequentially connected. The industrial circulating water system provided by the invention saves water resources, and has high circulating efficiency and more comprehensive circulating mode.
Drawings
FIG. 1 is a flow chart of an industrial circulating water system provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
The embodiment of the invention provides an industrial circulating water system, please refer to fig. 1, which comprises a furnace body water jacket circulating water system 1, a boiler circulating water system 2 and an equipment cooling circulating water system 3 which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system 1 comprises a side-blown converter 11, a first hot water tank 12, a first cooling tower 13 and a first cold water tank 14 which are sequentially connected and arranged; the boiler circulating water system 2 comprises a pump 21 for condensed water and a pure water tank 23 connected with the pump through a steam pipeline 22; the equipment cooling circulating water system 3 comprises a second hot water tank 31, a second cooling tower 32 and a second cold water tank 33 which are connected in sequence.
Further, the hot water in the first hot water tank 12 is delivered to the first cooling tower 13 by a first hot water pump 15, and the cold water in the first cold water tank 14 is delivered to the side-blown converter 11 by a first cold water pump 16.
In the embodiment of the invention, hot water cooled and discharged by the side-blown converter 11 automatically flows to a first hot water tank of the equipment, is pumped to a first cooling tower 13 by a first hot water pump 15 of the side-blown converter 11 for cooling, cold water automatically flows into a first cold water tank 14, and is pressurized by a first cold water pump 16 to supply cooling water in the side-blown converter 11, and a high-level water tank is adopted as a water supply safety measure of a furnace body system, so that the furnace body can normally operate at the initial stage of an accident.
Specifically, the make-up water quantity of the furnace body water jacket circulating water system 1 is 279.7m3/d, the make-up water quality is softened water, and the make-up water of the circulating water system is pressurized and sent to the first cold water tank 14 by a softened water pump.
More specifically, the circulating water treatment of the furnace body water jacket adopts side filtration, the water amount is filtered by 4m3/h, the circulating water pipeline of the furnace body water jacket adopts welded steel pipes, a water supply pipe is laid overhead, a pipe diameter oxidation furnace DN300mm and a reduction furnace DN150mm adopt epoxy resin coating or epoxy zinc-rich coating for corrosion prevention, a water return pipe is laid underground, the pipe diameter of the oxidation furnace DN400mm and the reduction furnace DN200mm adopt epoxy coal asphalt paint for extra-enhanced corrosion prevention.
Furthermore, the condensed water recovered after the steam at the outlet of the boiler exchanges heat by a steam device is returned to the pure water tank 23 of the chemical water treatment station by a pump 21 for recycling, 15.09m3/h (362.16m 3/d).
Furthermore, the supplementary water amount of the waste heat boiler system in the boiler circulating water system 2 is 238.93m3/d, and the supplementary water quality is demineralized water.
Furthermore, the steam pipeline 22 adopts a 20# high-quality seamless steel pipe (GB/T8163-2008), the pipe fittings adopt 20# high-quality seamless pipe fittings (GB/T12459-2005), the pipeline is laid in an overhead manner, the pipeline heat insulation layer adopts Owens Kening high-temperature glass wool, and the heat insulation layer adopts a color steel plate protective layer. The pipeline heat preservation adopts the bilayer structure, and the heat preservation gross thickness is 80mm, and the structure from inside to outside is: the thickness of the steel pipe, the thickness of the first layer of heat preservation layer is 40mm, the thickness of the reflection layer (high temperature resistant aluminum foil glass fiber cloth), the thickness of the second layer of heat preservation layer is 40mm, the thickness of the reflection layer (aluminum foil glass fiber cloth) and the color steel plate.
Further, the equipment circulating water amount in the equipment cooling circulating water system 3 is as follows: 47403.8m3/d (1975m 3/h). The method is used for cooling water for equipment such as a high-temperature fan, a lead electrolysis casting machine, a starting sheet machine, a cathode casting machine, a rectifier, boiler room equipment, an oxygen generation station, an acid generation system, an ionic liquid desulfurization system and the like.
The hot water discharged by the equipment cooling automatically flows to a second hot water tank 31 of the equipment, is raised to a second cooling tower 32 by a second hot water pump 34 for cooling, and the cold water automatically flows into a second cold water tank 33 of the equipment, and is pressurized by a second cold water pump 35 for supplying the cooling water for the equipment.
The supplementary water quantity of the equipment cooling circulating water system 3 is 474.58m3/d, and the supplementary water quality is softened water and is directly supplemented to the second cold water tank 33.
The equipment circulating water treatment of the equipment cooling circulating water system 3 adopts side filtration, and the filtration water amount is 10m 3/h.
And the make-up water of the equipment cooling circulating water system 3 is pressurized and sent to the furnace body and the second cold water tank 33 by a softened water pump.
The circulating water pipeline is made of welded steel pipes and laid in an overhead mode, the diameter of a main pipe is DN200mm, the main pipe is anticorrosive through epoxy resin coating or epoxy zinc-rich coating, the water return pipe is laid in a buried mode, the pipe diameter is determined by each device, and epoxy coal tar pitch paint is adopted for special enhancement of prevention.
In summary, the industrial circulating water system disclosed by the invention comprises a furnace body water jacket circulating water system, a boiler circulating water system and an equipment cooling circulating water system which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system comprises a side-blown converter, a first hot water tank, a first cooling tower and a first cold water tank which are sequentially and adjacently arranged; the boiler circulating water system comprises a pump for condensed water and a pure water tank connected with the pump through a steam pipeline; the equipment cooling circulating water system comprises a second hot water tank, a second cooling tower and a second cold water tank which are sequentially connected. The industrial circulating water system provided by the invention saves water resources, and has high circulating efficiency and more comprehensive circulating mode.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An industrial circulating water system is characterized by comprising a furnace body water jacket circulating water system, a boiler circulating water system and an equipment cooling circulating water system which are sequentially and adjacently arranged, wherein the furnace body water jacket circulating water system comprises a side-blown furnace, a first hot water pool, a first cooling tower and a first cold water pool which are sequentially and continuously arranged; the boiler circulating water system comprises a pump for condensed water and a pure water tank connected with the pump through a steam pipeline; the equipment cooling circulating water system comprises a second hot water tank, a second cooling tower and a second cold water tank which are sequentially connected.
2. The industrial circulating water system of claim 1, wherein the hot water in the first hot water tank is delivered to the first cooling tower by a first hot water pump.
3. The industrial circulating water system of claim 1, wherein the cold water in the first cold water tank is delivered to the side-blown converter by a first cold water pump.
4. The industrial circulating water system of claim 1, wherein the hot water in the second hot water tank is delivered to the second cooling tower by a second hot water pump.
5. The industrial circulating water system as claimed in claim 1, wherein the cold water in the second cold water tank is delivered to the facility cold water tank by a second cold water pump.
6. The industrial circulating water system as claimed in claim 1, wherein the steam pipeline is a 20# high quality seamless steel pipe.
7. The industrial circulating water system as claimed in claim 1, wherein the water quality of the water to be replenished to the equipment circulating water system is softened water and is directly replenished to the second cold water tank.
8. The industrial circulating water system as claimed in claim 1 or 7, wherein the equipment circulating water treatment of the equipment cooling circulating water system adopts side filtration, and the amount of filtered water is 10m 3/h.
9. The industrial circulating water system as claimed in claim 1, wherein the furnace body water jacket circulating water treatment adopts side filtration, and the filtration water amount is 4m 3/h.
10. The industrial circulating water system as claimed in claim 1, wherein the pipeline for circulating water in the furnace body water jacket and the pipeline for circulating water in the equipment are both made of welded steel pipes and laid overhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456539.8A CN113203240A (en) | 2021-04-27 | 2021-04-27 | Industrial circulating water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456539.8A CN113203240A (en) | 2021-04-27 | 2021-04-27 | Industrial circulating water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113203240A true CN113203240A (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110456539.8A Pending CN113203240A (en) | 2021-04-27 | 2021-04-27 | Industrial circulating water system |
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| Country | Link |
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| CN (1) | CN113203240A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1008819A2 (en) * | 1998-12-11 | 2000-06-14 | Vulcano-Sadeca, S.A. | Hot water generator for operation at low temperature |
| CN103672853A (en) * | 2012-09-14 | 2014-03-26 | 昆山禾晟能源科技工业有限公司 | Condensate water recovery system for steam heat supply system |
| CN106017109A (en) * | 2016-05-16 | 2016-10-12 | 郭泗恒 | Energy-saving process of blast furnace circulating water cooling system with upper tower pumps |
| CN108758589A (en) * | 2018-07-09 | 2018-11-06 | 中国恩菲工程技术有限公司 | Side-blown converter waste-heat recovery device |
| CN209541442U (en) * | 2018-12-28 | 2019-10-25 | 浙江天能电源材料有限公司 | Side-blown furnace body down cycles wetting system |
-
2021
- 2021-04-27 CN CN202110456539.8A patent/CN113203240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1008819A2 (en) * | 1998-12-11 | 2000-06-14 | Vulcano-Sadeca, S.A. | Hot water generator for operation at low temperature |
| CN103672853A (en) * | 2012-09-14 | 2014-03-26 | 昆山禾晟能源科技工业有限公司 | Condensate water recovery system for steam heat supply system |
| CN106017109A (en) * | 2016-05-16 | 2016-10-12 | 郭泗恒 | Energy-saving process of blast furnace circulating water cooling system with upper tower pumps |
| CN108758589A (en) * | 2018-07-09 | 2018-11-06 | 中国恩菲工程技术有限公司 | Side-blown converter waste-heat recovery device |
| CN209541442U (en) * | 2018-12-28 | 2019-10-25 | 浙江天能电源材料有限公司 | Side-blown furnace body down cycles wetting system |
Non-Patent Citations (1)
| Title |
|---|
| 李东波，陈学刚，黎敏著: "《现代有色金属侧吹冶金技术》", 31 October 2018 * |
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Application publication date: 20210803 |