CN113698947A - Dry coke quenching water seal cooling water automatic circulation water supply system - Google Patents
Dry coke quenching water seal cooling water automatic circulation water supply system Download PDFInfo
- Publication number
- CN113698947A CN113698947A CN202110927554.6A CN202110927554A CN113698947A CN 113698947 A CN113698947 A CN 113698947A CN 202110927554 A CN202110927554 A CN 202110927554A CN 113698947 A CN113698947 A CN 113698947A
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- Prior art keywords
- water
- tank
- emergency
- seal
- dry quenching
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 306
- 238000010791 quenching Methods 0.000 title claims abstract description 36
- 230000000171 quenching effect Effects 0.000 title claims abstract description 36
- 239000000498 cooling water Substances 0.000 title claims abstract description 14
- 239000000571 coke Substances 0.000 title abstract description 3
- 238000001914 filtration Methods 0.000 claims abstract description 54
- 239000000428 dust Substances 0.000 claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000008234 soft water Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 18
- 238000004062 sedimentation Methods 0.000 claims description 9
- 239000008400 supply water Substances 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004939 coking Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to an automatic circulation water supply system for dry coke quenching water seal cooling water, which comprises an underground water storage tank, a water storage tank and a water supply tank, wherein the underground water storage tank is used for storing soft water discharged and delivered by a blast furnace sewage discharge pipe; the water replenishing pump is arranged in the underground water storage tank and used for supplying water to the main multistage filtering water tank; the multistage filter water tank supplies water to the accident water tank through the pump set; the emergency water tank is used for supplying water to the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank; the auxiliary multi-stage filter water tank is used for filtering water inflow of the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank and supplying water to the main multi-stage filter water tank. The invention utilizes the boiler sewage, saves the cost of purchasing or self-making the demineralized water and avoids the waste of discharging the boiler sewage soft water resource; when water is short, large-flow water supply can be carried out; the multistage filtering circulating water tank is designed to ensure the cleanliness of circulating water, the treatment cost is low, and the service lives of the furnace top water seal tank and other water consumption point equipment are prolonged.
Description
Technical Field
The invention belongs to the field of coking, and particularly relates to an automatic circulating water supply system for dry quenching water seal cooling water.
Background
The water-sealed cooling circulating water system for dry quenching mainly ensures the normal operation of a water-sealed tank on the furnace top, and the water supply or other water consumption points of the water-sealed tank in the prior art generally have three water supply schemes, wherein one scheme is that a water pump is used for pumping desalted water into the water-sealed tank or other water consumption points through a pipeline, and water is timely supplemented according to the water level condition. And secondly, the comprehensive water circulating water of the coking chemical production process is utilized to supply water to a water seal tank or other water points for dry quenching through a water pump, and the water supply scheme has the defects that coking production water is directly used, the water source impurities are more, the scaling phenomenon of the water seal tank or other water point equipment is serious, the cleaning frequency increases the labor intensity of workers, and the service life of the water point equipment is reduced.
Disclosure of Invention
In order to solve the above problems, the present invention provides an automatic circulation water supply system for dry quenching water seal cooling water, comprising: the system comprises an underground reservoir, a water replenishing pump, a main multi-stage filtering water tank, an accident water tank, an auxiliary multi-stage filtering water tank, a furnace top water seal tank, a dust removal emergency water seal tank and a dry quenching emergency water seal tank;
the underground water storage tank is used for storing the soft water discharged and conveyed by the blast furnace sewage discharging pipe;
the water replenishing pump is arranged in the underground water storage tank and used for supplying water to the main multistage filtering water tank;
the multistage filter water tank supplies water to the accident water tank through a pump set;
the emergency water tank is used for supplying water to the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank;
and the auxiliary multi-stage filter water tank is used for filtering water inflow of the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank and supplying water to the main multi-stage filter water tank.
Preferably, the pump group comprises a first pressurizing pump, a second pressurizing pump and an accident pump, and the first pressurizing pump, the second pressurizing pump and the accident pump all supply water in the main multi-stage filter water tank into the accident water tank through a pipeline a.
Preferably, the main multi-stage filtration water tank and the auxiliary multi-stage filtration water tank are internally provided with sedimentation cavities from high to low in sequence from a water inlet end to a water supply end.
Preferably, an overflow pipe communicated and connected with the underground reservoir is arranged at the top of one side of the main multistage filtering water tank.
Preferably, the auxiliary multi-stage filtering water tank supplies water to the main multi-stage filtering water tank through a pipeline b.
Preferably, the emergency water tank supplies water to the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank through a pipeline c, and the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank supply water to the auxiliary multistage filter water tank through a pipeline d.
Preferably, floating ball switches are arranged in the main multistage filtering water tank, the floating ball switches control the liquid level of the water tank through a central control, and when the liquid level is detected to be lower than a set liquid level, the central control automatically supplements water for the main multistage filtering water tank through a water supplementing pump; when the float switch detects that the liquid level is higher than the set liquid level, the water is supplemented through the central control stop water supplementing pump.
The invention has the advantages that:
the invention utilizes the boiler sewage, saves the cost of buying or self-making desalted water, eliminates the scaling phenomenon of water point equipment caused by poor quality of circulating water of coking comprehensive water, and avoids the waste of discharging the boiler sewage and soft water resources;
the accident pump is arranged, so that the water shortage condition of a water using point caused by the fault or non-power failure of the pump is avoided, and large-flow water supply can be performed during water shortage;
the design of the accident water tank avoids water shortage of other water consumption points such as the furnace top water seal tank and the like caused by short-time power failure, and simultaneously, the design of the multi-stage filtration circulating water tank ensures the cleanliness of circulating water, the treatment cost is lower, and the service lives of the furnace top water seal tank and other water consumption point equipment are prolonged.
Drawings
FIG. 1 is a frame diagram of an automatic circulation water supply system for dry quenching water seal cooling water according to the present invention.
In the figure: 1 underground reservoir, 2 blow off pipes, 3 moisturizing pumps, 4 main multi-stage filtration water tanks, 5 accident water tanks, 6 auxiliary multi-stage filtration water tanks, 7 furnace top water seal tanks, 8 dust removal emergency water seal tanks, 9 dry quenching emergency water seal tanks, 10 overflow pipes, 11 first pressure pumps, 12 second pressure pumps, 13 accident pumps, 14 pipeline a, 15 pipeline b, 16 pipeline c and 17 pipeline d.
Detailed Description
As shown in fig. 1, an automatic circulation water supply system for dry quenching water seal cooling water comprises: the system comprises an underground reservoir 1, a water replenishing pump 3, a main multi-stage filtering water tank 4, an accident water tank 5, an auxiliary multi-stage filtering water tank 6, a furnace top water seal tank 7, a dedusting emergency water seal tank 8 and a dry quenching emergency water seal tank 9;
the underground water storage tank 1 is used for storing soft water discharged and delivered by the blast furnace sewage discharging pipe 2;
the water replenishing pump 3 is arranged in the underground water storage tank 1 and is used for supplying water to the main multistage filtering water tank 4;
the multistage filtering water tank 4 supplies water to the accident water tank 5 through a pump set;
the emergency water tank 5 is used for supplying water to the furnace top water seal tank 7, the dust removal emergency water seal tank 8 and the dry quenching emergency water seal tank 9;
the auxiliary multi-stage filtering water tank 6 is used for filtering water inlet of the furnace top water seal tank 7, the dust removal emergency water seal tank 8 and the dry quenching emergency water seal tank 9 and supplying water to the main multi-stage filtering water tank 4.
In the embodiment, an underground reservoir 1 is arranged at an underground position near a boiler continuous-discharge outlet and a fixed-discharge outlet, an emergency water tank 5, a furnace top water seal tank 7, a dedusting emergency water seal tank 8 and a dry quenching emergency water seal tank 9 are all arranged at a fixed water seal floor position of a boiler, and the underground reservoir 1 receives sewage of the boiler through a discharge pipe 2 and stores the sewage; the sewage in the underground reservoir 2 is supplied into the main multi-stage filtering water tank 4 through the water replenishing pump 3, the pump set supplies the water of the main multi-stage filtering water tank 4 into the accident water tank 5, the accident water tank 5 can supply water to the furnace top water seal tank 7, the dust removal emergency water seal tank 8 and the dry quenching emergency water seal tank 9 when water is cut off, the water replenishing purpose is achieved, meanwhile, the remaining water can be deposited and filtered through the auxiliary multi-stage filtering water tank 6 to enter the main multi-stage filtering water tank 4 for filtering, and therefore the water quality is guaranteed to be clean.
Example one
The pump group comprises a first booster pump 11, a second booster pump 12 and an emergency pump 13, and the first booster pump 11, the second booster pump 12 and the emergency pump 13 all supply water in the main multistage filtering water tank 4 to the emergency water tank 5 through a pipeline a 14;
specifically, the emergency water tank 5 can be supplied with water through the first pressurizing pump 11, the second pressurizing pump 12 and the emergency pump 13, wherein the emergency pump 13 has a standby power supply which can be started by using the standby power supply in case of power failure, so that the phenomenon of water cut-off is avoided in case of power failure, and water can be supplied through the first pressurizing pump 11 and the second pressurizing pump 13 in case of non-power failure.
Main multiple-stage filtration water tank 4 and 6 insides of vice multiple-stage filtration water tank are equipped with from high to low sedimentation chamber from the end of intaking to the end of supplying water in proper order, can carry out the multiple-stage sedimentation and filter, guarantee the cleanness of quality of water in the low position sedimentation chamber, wherein moisturizing pump 3 passes through the high sedimentation chamber position of pipeline with water drainage into main multiple-stage filtration water tank 4, thereby avoid sewage directly to pass through pump package entering accident water tank 5, main multiple-stage filtration water tank 4 can carry out the filtration sediment of initial degree to sewage.
Example two
The auxiliary multi-stage filter water tank 6 supplies water to the main multi-stage filter water tank 4 through a pipeline b15, one end of a pipeline b15 is installed at the position of a bottom sedimentation cavity of the auxiliary multi-stage filter water tank 6, the other end of the pipeline b15 is installed at the position of the top of a high sedimentation cavity of the main multi-stage filter water tank 4, cleaner water sources in the auxiliary multi-stage filter water tank 6 can be introduced into the main multi-stage filter water tank 4 for sedimentation and filtration, and the water sources can be circulated in sequence, so that the cleanness of the water sources entering the accident water tank 5 can be guaranteed;
the emergency water tank 5 supplies water to the furnace top water seal tank 7, the dust removal emergency water seal tank 8 and the dry quenching emergency water seal tank 9 through a pipeline c16, and the furnace top water seal tank 7, the dust removal emergency water seal tank 8 and the dry quenching emergency water seal tank 9 supply water to the auxiliary multistage filter water tank 6 through a pipeline d 17.
EXAMPLE III
Floating ball switches are arranged in the main multi-stage filtering water tank 4 and control the liquid level of the water tank through a central control, and when the liquid level is detected to be lower than a set liquid level, the central control automatically supplements water for the main multi-stage filtering water tank 4 through a water supplementing pump 3; when the float switch detects that the liquid level is higher than the set liquid level, the water is supplemented through the central control stop water supplementing pump 3;
the central control can be a PLC (programmable logic controller), a liquid level data threshold value is set, and when the float switch detects that the liquid level value is lower than the threshold value, the PLC controls the water replenishing pump 3 to automatically replenish water for the main multi-stage filtering water tank 4; when the float switch detects that the liquid level value is higher than the threshold value, the PLC controls the water replenishing pump 3 to stop working, and water in the main multi-stage filtering water tank 4 is prevented from overflowing;
the overflow pipe 10 that is connected with underground reservoir 1 intercommunication is equipped with in main multiple-stage filtration water tank 4 one side top position, and the purpose of overflow pipe 10 prevents to lead to the water in main multiple-stage filtration water tank 4 to be excessive because of float switch trouble, and when main multiple-stage filtration water tank 4 water was full, water wherein can be through the continuous underground reservoir 1 of entering of overflow pipe 10.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention.
Claims (7)
1. The utility model provides a dry quenching water seals cooling water automatic cycle water supply system which characterized in that includes: the system comprises an underground reservoir, a water replenishing pump, a main multi-stage filtering water tank, an accident water tank, an auxiliary multi-stage filtering water tank, a furnace top water seal tank, a dust removal emergency water seal tank and a dry quenching emergency water seal tank;
the underground water storage tank is used for storing the soft water discharged and conveyed by the blast furnace sewage discharging pipe;
the water replenishing pump is arranged in the underground water storage tank and used for supplying water to the main multistage filtering water tank;
the multistage filter water tank supplies water to the accident water tank through a pump set;
the emergency water tank is used for supplying water to the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank;
and the auxiliary multi-stage filter water tank is used for filtering water inflow of the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank and supplying water to the main multi-stage filter water tank.
2. The automatic circulation water supply system for dry quenching water seal cooling water of claim 1, characterized in that: the pump group comprises a first pressure pump, a second pressure pump and an accident pump, and the first pressure pump, the second pressure pump and the accident pump supply water in the main multistage filter water tank into the accident water tank through a pipeline a.
3. The automatic circulation water supply system for dry quenching water seal cooling water of claim 1, characterized in that: the main multistage filtering water tank and the auxiliary multistage filtering water tank are internally provided with sedimentation cavities from high to low in sequence from a water inlet end to a water supply end.
4. The automatic circulation water supply system for dry quenching water seal cooling water of claim 3, characterized in that: and an overflow pipe communicated with and connected with the underground reservoir is arranged at the top of one side of the main multi-stage filtration water tank.
5. The automatic circulation water supply system for dry quenching water seal cooling water of claim 4, characterized in that: the auxiliary multi-stage filtering water tank supplies water to the main multi-stage filtering water tank through a pipeline b.
6. The automatic circulation water supply system for dry quenching water seal cooling water of claim 1, characterized in that: the emergency water tank supplies water to the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank through a pipeline c, and the furnace top water seal tank, the dust removal emergency water seal tank and the dry quenching emergency water seal tank supply water to the auxiliary multistage filter water tank through a pipeline d.
7. The automatic circulation water supply system for dry quenching water seal cooling water as claimed in claim 5, characterized in that: the floating ball switches are arranged in the main multistage filtering water tank and control the liquid level of the water tank through a central control, and when the liquid level is detected to be lower than a set liquid level, the central control automatically supplements water for the main multistage filtering water tank through a water supplementing pump; when the float switch detects that the liquid level is higher than the set liquid level, the water is supplemented through the central control stop water supplementing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927554.6A CN113698947B (en) | 2021-08-13 | 2021-08-13 | Dry coke quenching water seal cooling water automatic circulation water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927554.6A CN113698947B (en) | 2021-08-13 | 2021-08-13 | Dry coke quenching water seal cooling water automatic circulation water supply system |
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| Publication Number | Publication Date |
|---|---|
| CN113698947A true CN113698947A (en) | 2021-11-26 |
| CN113698947B CN113698947B (en) | 2022-07-12 |
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| CN202110927554.6A Active CN113698947B (en) | 2021-08-13 | 2021-08-13 | Dry coke quenching water seal cooling water automatic circulation water supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381285A (en) * | 2021-12-15 | 2022-04-22 | 陕西黑猫焦化股份有限公司 | Automatic circulating water replenishing device for dry quenching water seal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205398543U (en) * | 2016-02-22 | 2016-07-27 | 山东钢铁股份有限公司 | A boiler row sewage treatment plant for coke dry quenching system |
-
2021
- 2021-08-13 CN CN202110927554.6A patent/CN113698947B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205398543U (en) * | 2016-02-22 | 2016-07-27 | 山东钢铁股份有限公司 | A boiler row sewage treatment plant for coke dry quenching system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381285A (en) * | 2021-12-15 | 2022-04-22 | 陕西黑猫焦化股份有限公司 | Automatic circulating water replenishing device for dry quenching water seal |
| CN114381285B (en) * | 2021-12-15 | 2023-09-01 | 陕西黑猫焦化股份有限公司 | Automatic circulation water supplementing device for dry quenching water seal |
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| Publication number | Publication date |
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| CN113698947B (en) | 2022-07-12 |
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Denomination of invention: An automatic circulating water supply system for dry quenching water seal cooling water Effective date of registration: 20231222 Granted publication date: 20220712 Pledgee: Industrial and Commercial Bank of China Limited Feicheng sub branch Pledgor: SHIHENG SPECIAL STEEL GROUP Co.,Ltd. Registration number: Y2023980073806 |