CN221071233U - Water saving device of smelting rolling circulating water system - Google Patents
Water saving device of smelting rolling circulating water system Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 497
- 238000005096 rolling process Methods 0.000 title claims abstract description 41
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- 239000010865 sewage Substances 0.000 claims abstract description 78
- 230000001502 supplementing effect Effects 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000008234 soft water Substances 0.000 claims description 74
- 238000001816 cooling Methods 0.000 claims description 32
- 238000000746 purification Methods 0.000 claims description 31
- 238000002425 crystallisation Methods 0.000 claims description 28
- 230000008025 crystallization Effects 0.000 claims description 28
- 238000005469 granulation Methods 0.000 claims description 28
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- 239000013589 supplement Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- 238000007664 blowing Methods 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
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Abstract
The utility model belongs to the technical field of circulating water engineering, and particularly provides a water saving device of a smelting and rolling circulating water system, which comprises a smelting and rolling circulating water device, a production new water supplementing pipeline, a softened water supplementing pipeline, a cooling water supply device, a semi-closed net circulating sewage pipeline and a turbid circulating water sewage purifying device; solves the problems of the prior smelting and rolling circulating water system that the water quality pollution is not solved, the sewage discharge amount is large, the new water consumption is large and the loss is large; the utility model realizes multi-stage and cascade water supply, effectively improves the cyclic utilization rate of water, reduces the pollution discharge amount and reduces the consumption of new water.
Description
Technical Field
The utility model belongs to the technical field of circulating water engineering, and particularly relates to a water saving device of a smelting rolling circulating water system.
Background
The smelting rolling circulating water system commonly used in China at present adopts a soft water closed-loop circulating water system, an open-type clean circulating water system and a turbid circulating water system. Is generally set according to the water quality, the water temperature and the requirements of users.
The soft water closed cycle water system is characterized in that the cycle water is not contacted with the outside air, and the water supplementing requirement is soft water or desalted water. The water quality of the circulating water system can not be polluted, the system has no evaporation, no floating water, no sewage discharge amount, little water consumption, no scaling and long service life of equipment.
The open type net circulating water cooling system is characterized in that circulating water directly contacts with external air to perform heat exchange, and the water quality is required to produce new water. The defects are that the water quality is easy to pollute, the equipment is easy to scale and corrode, and the loss of the air blowing and evaporation water is large. The measures of adding chemical agents, side filtering treatment, pollution discharge and the like are needed to maintain the stable water quality.
The turbid circulating water system is characterized in that circulating cooling water is directly contacted with the surfaces of equipment and products, so that after the turbid circulating water system is used, the water temperature is increased, and the turbid circulating water system contains iron oxide scales, oil substances and the like and is required to be recycled by a user after precipitation, filtration, cooling and cooling. The system supplements water to produce new water.
And (3) collecting the sewage discharged by each system of the smelting rolling circulating water system to a centralized sewage treatment station for treatment, and recycling qualified water for production.
The Chinese patent document with publication number CN103307928A and publication date 2013, 9 and 18 discloses a control method of an open type circulating water cooling system, which comprises the following steps: step S10: acquiring the circulating water quantity flowing into a cooling tower of an open-type circulating water cooling system; step S20: determining the evaporation loss amount of the cooling tower according to the circulating water amount; step S30: determining the sewage discharge capacity and the water supplementing capacity of the open-type circulating water cooling system according to the specified concentration multiple and evaporation loss; step S40: and carrying out pollution discharge on the open-type circulating water cooling system according to the pollution discharge amount and carrying out water supplementing on the open-type circulating water cooling system according to the water supplementing amount. The control method of the open-type circulating water cooling system of this document can save a water source and ensure that the ion concentration of circulating water flowing through the heat exchanger does not exceed an upper limit value. However, the document does not solve the problems of water pollution, large sewage discharge amount, large new water consumption and large loss.
Disclosure of utility model
The utility model provides a water-saving device of a smelting and rolling circulating water system, which aims to solve the problems that the smelting and rolling circulating water system in the prior art does not solve the problems of water quality pollution, large sewage discharge amount, large new water consumption and large loss.
The utility model provides a water-saving device of a smelting and rolling circulating water system, which comprises a smelting and rolling circulating water device, a production new water supplementing pipeline, a softened water supplementing pipeline, a cooling water supply device, a semi-closed net circulating sewage pipeline and a turbid circulating water sewage purifying device; the smelting rolling circulating water device comprises a soft water closed-loop circulating water device, a semi-closed-loop water purifying circulating water device and a turbid circulating water device; the water outlet of the semi-closed net circulating water device is connected with the water inlet of the semi-closed net circulating water device through the cooling water supply device, the sewage inlet of the semi-closed net circulating water device is connected with the water inlet of the turbid circulating water device through the semi-closed net circulating sewage pipeline, the sewage inlet of the turbid circulating water device is connected with the inlet end of the turbid circulating water sewage purification device, the outlet end of the turbid circulating water sewage purification device is respectively connected with the soft water inlet of the soft water closed circulating water device, the soft water inlet of the semi-closed net circulating water device and the soft water inlet of the turbid circulating water device, and the outlet end of the production new water supplementing pipeline is respectively connected with the new water inlet of the semi-closed net circulating water device and the new water inlet of the turbid circulating water device.
Preferably, the cooling water supply device comprises a closed cooling tower, and the effluent of the semi-closed net circulating water device is connected with the water inlet of the semi-closed net circulating water device through the closed cooling tower
Preferably, the cooling water supply device further comprises a closed water absorbing well, and the water outlet of the semi-closed water purifying and circulating device is connected with the water inlet of the closed cooling tower through the closed water absorbing well.
Preferably, the cooling water supply device further comprises a water supply pump set, and the closed water absorbing well is connected with a water inlet of the closed cooling tower through the water supply pump set.
Preferably, the turbid circulating water sewage purification device comprises a crystallization circulating granulation fluidized bed water softening device, a sewage port of the turbid circulating water device is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device, and an outlet end of the crystallization circulating granulation fluidized bed water softening device is respectively connected with a soft water inlet of the soft water closed-loop circulating water device, a soft water inlet of the semi-closed-loop water purifying device and a soft water inlet of the turbid circulating water device.
Preferably, the turbid circulating water sewage purification device further comprises a solid-liquid separation device, and the crystallization circulating granulation fluidized bed water softening device is respectively connected with the soft water inlet of the soft water closed-loop circulating water device, the soft water inlet of the semi-closed-loop purifying circulating water device and the soft water inlet of the turbid circulating water device through the solid-liquid separation device.
Preferably, the turbid circulating water sewage purification device further comprises an adjusting tank, and a sewage port of the turbid circulating water device is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device through the adjusting tank.
Preferably, the turbid circulating water sewage purification device further comprises a softened water storage tank, and the solid-liquid separation device is respectively connected with the soft water inlet of the soft water closed-loop circulating water device, the soft water inlet of the semi-closed-loop circulating water device and the soft water inlet of the turbid circulating water device through the softened water storage tank.
Preferably, the turbid circulating water sewage purification device further comprises a softened water replenishing pump set, and the softened water storage tank is respectively connected with the soft water inlet of the soft water closed-loop circulating water device, the soft water inlet of the semi-closed-loop circulating water device and the soft water inlet of the turbid circulating water device through the softened water replenishing pump set.
Preferably, the turbid circulating water sewage purification device further comprises a lifting pump set, and the regulating tank is connected with the inlet end of the crystallization circulating granulation fluidized bed water softening device through the lifting pump set.
The utility model has the beneficial effects that:
1. The water saving device of the smelting and rolling circulating water system comprises a smelting and rolling circulating water device, a production new water supplementing pipeline, a softened water supplementing pipeline, a cooling water supply device, a semi-closed net circulating sewage pipeline and a turbid circulating water sewage purifying device; the smelting rolling circulating water device comprises a soft water closed-loop circulating water device, a semi-closed-loop water purifying circulating water device and a turbid circulating water device; the water saving device supplementing water of the smelting rolling circulating water system is used for producing new water and softened water, the semi-closed net circulating water device is used for draining sewage and cascading with the turbid circulating water device to serve as the turbid circulating water device supplementing water, and the turbid circulating water device is used for supplementing softened water after being purified by the turbid circulating water sewage purifying device, so that multistage and cascade water supply is realized, the water recycling rate is effectively improved, the pollution discharge amount is reduced, and the new water consumption is reduced.
2. The water-saving device of the smelting and rolling circulating water system optimizes the open-type water-purifying system into a semi-closed-circuit circulating water-purifying device, adopts a closed cooling tower and a closed water absorbing well, improves water quality, cancels a side filtering facility, reduces wind blowing and evaporation loss water quantity, saves energy sources, reduces chemical agent addition, optimizes a sewage treatment process, realizes a source treatment recycling process, replaces a concentrated sewage treatment complex process, reduces occupied land and reduces investment.
3. The water-saving device of the smelting circulating water system adopts a crystallization circulating granulation fluidized bed water softening device and a solid-liquid separation device to replace the traditional softening treatment mode, the crystallization circulating granulation fluidized bed water softening device is pressurized by a sewage lifting pump to cascade the solid-liquid separation device, softened water is prepared to remove colloid and suspended matters in water by the solid-liquid separation device, the softened water is pressurized by a pump to be supplemented to the smelting circulating water device to be used as softened water supplementing water of the smelting circulating water device, and new water supplementing water is produced from a factory to produce a new water pipe network. The environment is improved, secondary pollution is prevented, the operation is simplified, the labor intensity is lightened, the hardness is reduced, the water quality is improved, and no waste is generated.
Drawings
The present utility model will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a water saving device of a metallurgical rolling circulating water system.
Reference numerals illustrate: 1. soft water closed cycle water device; 2. a semi-closed net circulating water device; 3. a turbid circulating water device; 4. a semi-closed net circulation sewer line; 5. a cooling water supply device; 6. a sewage purification device for turbid circulating water; 7. producing a new water supplementing pipeline; 8. a softened water replenishing pipeline; 5.1, a closed water absorbing well; 5.2, a water supply pump set; 5.3, a closed cooling tower; 6.1, an adjusting tank; 6.2, a crystallization circulating granulation fluid bed water softening device; 6.3, a solid-liquid separation device; 6.4, a softened water reservoir; 6.5, a softened water replenishing pump set; and 6.6, lifting the pump set.
Detailed Description
Example 1:
As shown in fig. 1, the water-saving device of the smelting-rolling circulating water system comprises a smelting-rolling circulating water device, a production new water supplementing pipeline 7, a softened water supplementing pipeline 8, a cooling water supply device 5, a semi-closed net circulating sewage pipeline 4 and a turbid circulating water sewage purifying device 6; the smelting rolling circulating water device comprises a soft water closed-circuit circulating water device 1, a semi-closed-circuit water purifying circulating water device 2 and a turbid circulating water device 3; the water outlet of the semi-closed net circulating water device 2 is connected with the water inlet of the semi-closed net circulating water device 2 through the cooling water supply device 5, the sewage inlet of the semi-closed net circulating water device 2 is connected with the water inlet of the turbid circulating water device 3 through the semi-closed net circulating sewage pipeline 4, the sewage inlet of the turbid circulating water device 3 is connected with the inlet end of the turbid circulating water sewage purification device 6, the outlet end of the turbid circulating water sewage purification device 6 is respectively connected with the soft water inlet of the soft water closed circulating water device 1, the soft water inlet of the semi-closed net circulating water device 2 and the soft water inlet of the turbid circulating water device 3, and the outlet end of the production new water supplementing pipeline 7 is respectively connected with the new water inlet of the semi-closed net circulating water device 2 and the new water inlet of the turbid circulating water device 3.
Specific: the semi-closed net circulating water device 2 comprises a water user, and the water user backwater is connected with a water inlet of the water user of the semi-closed net circulating water device 2 through a cooling water supply device 5 for the water user to recycle.
The water supplementing water of the water saving device of the smelting rolling circulating water system is produced fresh water and softened water, wherein the produced fresh water supplementing water is connected with a produced fresh water pipe network, and enters the semi-closed net circulating water device 2 and the turbid circulating water device 3 respectively from the produced fresh water pipe network through a produced fresh water supplementing pipeline 7; the semi-closed net circulating water device 2 drains sewage and is in cascade connection with the turbid circulating water device 3, and the turbid circulating water device 3 is used as water supplementing water for the turbid circulating water device 3, and the soft water closed circulating water device 1, the semi-closed net circulating water device 2 and the turbid circulating water device 3 are supplemented with softened water after being purified by the turbid circulating water sewage purifying device 6, so that multi-stage and cascade water supply is realized, the water recycling rate is effectively improved, the pollution discharge amount is reduced, and the new water consumption is reduced. The sewage treatment of the turbid circulating water device 3 is optimized, the sewage of the turbid circulating water device 3 is fully utilized to be softened, the decontamination treatment is supplemented to the smelting rolling circulating water device, the sewage recycling rate is effectively improved, the hardness is reduced, the water quality is improved, and the new water supplementing amount is saved.
Example 2:
On the basis of the embodiment 1, the cooling water supply device 5 comprises a closed cooling tower 5.3, and the effluent of the semi-closed net circulating water device 2 is connected with the water inlet of the semi-closed net circulating water device 2 through the closed cooling tower 5.3.
Specifically, the closed cooling tower 5.3 is an existing cooling tower, and the circulating cooling water in the closed cooling tower 5.3 is in local contact with the external atmosphere, so that the water has no evaporation loss, wind loss, only trace leakage and artificial pollution discharge. The circulating water is not irradiated by sunlight, bacteria and algae are not generated, algae scale is not easy to form, the scaling rate and corrosion rate of equipment and pipelines are reduced, and the adding amount of chemical agents is reduced. The system is safe and stable to operate without voltage stabilizing equipment. Reduces the operation cost and saves the supplementary water.
Preferably, the cooling water supply device 5 further comprises a closed water absorbing well 5.1, and the effluent of the semi-closed net circulating water device 2 is connected with a water inlet of the closed cooling tower 5.3 through the closed water absorbing well 5.1.
The closed water absorbing well 5.1 is convenient for storing and cooling user water in the semi-closed water purifying and circulating device 2, has no water evaporation and loss due to the closed water absorbing well, is not irradiated by sunlight, does not generate bacteria and algae, is not easy to form algae scale, and reduces the scaling rate and corrosion rate in the closed water absorbing well 5.1.
Preferably, the cooling water supply device 5 further comprises a water supply pump set 5.2, and the closed type water absorbing well 5.1 is connected with a water inlet of the closed type cooling tower 5.3 through the water supply pump set 5.2.
The closed type water absorbing well 5.1 is conveniently pumped into the closed cooling tower 5.3 through the water supply pump set 5.2, and the water supply pump set 5.2 is in the prior art.
Example 3:
On the basis of the embodiment 2, the turbid circulating water sewage purification device 6 comprises a crystallization circulating granulation fluidized bed water softening device 6.2, a sewage port of the turbid circulating water device 3 is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device 6.2, and an outlet end of the crystallization circulating granulation fluidized bed water softening device 6.2 is respectively connected with a soft water inlet of the soft water closed circulating water device 1, a soft water inlet of the semi-closed net circulating water device 2 and a soft water inlet of the turbid circulating water device 3.
The crystallization circulating granulation fluidized bed water softening device 6.2 has the following advantages:
1. The water inlet adaptability is strong, pretreatment equipment is not needed, the water inlet rising speed is high, the occupied area is small, the removal rate is high, and the removal rate of calcium ions is more than 80%;
2. the equipment does not need regeneration, no wastewater is discharged, the discharged particles change waste into valuable, and the waste can be used as raw materials of a desulfurization system to prevent secondary pollution;
3. not only can the hardness of water be reduced, but also colloid and suspended matters of the water can be removed, the quality of the effluent water is stabilized, and the sustainable operation of a process system is ensured;
4. The equipment has the advantages of simple operation, low failure rate, convenient maintenance, realization of full-automatic operation, low operation cost, small occupied area and low power consumption.
Preferably, the turbid circulating water sewage purification device 6 further comprises a solid-liquid separation device 6.3, and the crystallization circulating granulation fluidized bed water softening device 6.2 is respectively connected with the soft water inlet of the soft water closed circulating water device 1, the soft water inlet of the semi-closed circulating water device 2 and the soft water inlet of the turbid circulating water device 3 through the solid-liquid separation device 6.3.
The solid-liquid separation device 6.3 has short separation time, high efficiency, ascending load of 20-60 m/h, stable water outlet, automatic operation and simple maintenance, operation and management.
The following effects can be achieved by adopting the crystallization circulation granulation fluidized bed water softening device 6.2 and the solid-liquid separation device 6.3: the device has the advantages of strong water inflow adaptability, high water inflow rising speed, small occupied area, high removal rate, more than 80 percent of calcium ion removal rate, simple maintenance, low failure rate, no wastewater discharge, waste discharge of discharged particles, capability of changing waste into valuables, and low operation cost, and can be used as a raw material of a desulfurization system. The technology can overcome the defects of the traditional soft water treatment mode, can reduce the hardness in water, remove colloid and suspended matters in water, stabilize the water outlet effect and achieve the aims of corrosion inhibition and scale inhibition.
The crystallization circulating granulation fluid bed water softening device 6.2 and the solid-liquid separation device 6.3 are all existing devices, and are not described in detail herein, and when in use, the crystallization circulating granulation fluid bed water softening device is selected and operated according to the needs, so that the requirements can be met.
Preferably, the turbid circulating water sewage purification device 6 further comprises a regulating tank 6.1, and a sewage port of the turbid circulating water device 3 is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device 6.2 through the regulating tank 6.1.
The adjusting tank 6.1 is used for adjusting the water quality of sewage discharged by the turbid circulating water device 3, the adjusting tank 6.1 is in the prior art, and the adjusting tank is adjusted according to actual conditions so as to meet the requirements.
Preferably, the turbid circulating water sewage purification device 6 further comprises a softened water storage tank 6.4, and the solid-liquid separation device 6.3 is respectively connected with the soft water inlet of the soft water closed-loop circulating water device 1, the soft water inlet of the semi-closed-loop purifying circulating water device 2 and the soft water inlet of the turbid circulating water device 3 through the softened water storage tank 6.4.
The demineralized water reservoir 6.4 facilitates the storage of purified soft water.
Preferably, the turbid circulating water sewage purification device 6 further comprises a softened water supplementing pump set 6.5, and the softened water storage tank 6.4 is respectively connected with the soft water inlet of the soft water closed-loop circulating water device 1, the soft water inlet of the semi-closed-loop purifying circulating water device 2 and the soft water inlet of the turbid circulating water device 3 through the softened water supplementing pump set 6.5.
The softened water supplementing pump group 6.5 is convenient for sending the softened water in the softened water storage tank 6.4 into the soft water closed cycle water device 1, the semi-closed cycle water purifying device 2 and the turbid circulating water device 3 through the softened water supplementing pipeline 8.
Preferably, the turbid circulating water sewage purification device 6 further comprises a lifting pump set 6.6, and the regulating tank 6.1 is connected with the inlet end of the crystallization circulating granulation fluidized bed water softening device 6.2 through the lifting pump set 6.6.
The lifting pump set 6.6 is used for pumping water in the regulating tank 6.1 into the crystallization circulating granulation fluidized bed water softening device 6.2.
Example 4:
On the basis of the embodiment 3, a method for treating circulating water by a water saving device of a smelting rolling circulating water system comprises the following specific steps:
The water in the closed water absorbing well 5.1 is pumped into the closed cooling tower 5.3 by a water supply pump set 5.2, and after the water in the closed cooling tower 5.3 is cooled down, the cooled water is injected into the semi-closed water purifying and circulating device 2 for recycling (which is beneficial to the recycling of residual pressure cascade in the water consumer 1.28);
The sewage discharged by the semi-closed net circulating water device 2 enters the turbid circulating water device 3 through the semi-closed net circulating sewage pipeline 4 and is used as the supplementing water of the turbid circulating water device 3;
The sewage discharged by the turbid circulating water device 3 flows into a regulating tank 6.1 for regulation, the water regulated in the regulating tank 6.1 is sent into a crystallization circulating granulation fluidized bed softening water device 6.2 and a solid-liquid separation device 6.3 for purification treatment through a softening water supplementing pump set 6.5, the purified and hard-removed softened water prepared after purification flows into a softened water storage tank 6.4, and the softened water storage tank 6.4 is sent into a soft water closed-loop circulating water device 1, a semi-closed-loop water purifying circulating water device 2 and the turbid circulating water device 3 for use through a softened water supplementing pipeline 8 through the softening water supplementing pump set 6.5;
the new water is supplemented to the semi-closed net circulating water device 2 and the turbid circulating water device 3 through a new water production supplementing pipeline 7.
The utility model optimizes the water supplementing condition, and besides the soft water closed-circuit circulating water device 1 supplements the softened water in the smelting rolling circulating water device, the semi-closed-circuit water purifying circulating water device 2 and the turbid circulating water device 3 supplement water to produce the new water and softened water mixed water, and the water quality hardness and the like can be conveniently regulated according to the water using condition.
And (3) optimizing a sewage treatment mode, discharging sewage discharged by the turbid circulating water device 3 to the turbid circulating water sewage purification device 6 for treatment, optimizing the sewage treatment as source treatment, and recycling the sewage to the smelting and rolling circulating water device to be used as the supplementing water of the smelting and rolling circulating water device. The investment is saved, the occupied area is reduced, the operation cost is saved, and the water supplementing quantity is reduced.
The traditional softened water treatment mode is adopted, the crystallization circulating granulation fluidized bed softened water device 6.2 and the solid-liquid separation device 6.3 are optimized, sewage discharged by the turbid circulating water device 3 is softened, decontamination treatment is supplemented to the smelting rolling circulating water device, the sewage recycling rate is effectively improved, the hardness is reduced, the water quality is improved, and the new water supplementing amount for production is saved.
The open-type water purification system is optimized into the semi-closed-circuit water purification circulating water device 2, so that the problem of water quality pollution is solved, a side filtering facility is replaced, the pollution discharge amount is reduced, and the water supplementing amount is saved.
The utility model provides a circulating water system with better applicability especially for areas with water shortage, large sand wind, much dust and low air temperature.
The water consumer is a use terminal of the circulating water, and the smelting rolling circulating water device provides water for the water consumer.
In the description of the present utility model, it should be understood that, if there is an orientation or positional relationship indicated by the term "internal" or the like based on the orientation or positional relationship shown in the drawings, rather than indicating or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing positional relationship in the drawings are for illustration only and are not to be construed as limiting the present utility model.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (10)
1. The utility model provides a smelt water saving fixtures who rolls circulating water system which characterized in that: comprises a smelting rolling circulating water device, a new water production supplementing pipeline (7), a softened water supplementing pipeline (8), a cooling water supply device (5), a semi-closed net circulating sewage pipeline (4) and a turbid circulating water sewage purification device (6); the smelting rolling circulating water device comprises a soft water closed-circuit circulating water device (1), a semi-closed-circuit water purifying circulating water device (2) and a turbid circulating water device (3); the water outlet of the semi-closed net circulating water device (2) is connected with the water inlet of the semi-closed net circulating water device (2) through a cooling water supply device (5), the sewage inlet of the semi-closed net circulating water device (2) is connected with the water inlet of the turbid circulating water device (3) through a semi-closed net circulating sewage pipeline (4), the sewage inlet of the turbid circulating water device (3) is connected with the inlet end of the turbid circulating water sewage purification device (6), the outlet end of the turbid circulating water sewage purification device (6) is respectively connected with the soft water inlet of the soft water closed circulating water device (1), the soft water inlet of the semi-closed net circulating water device (2) and the soft water inlet of the turbid circulating water device (3), and the outlet end of the production new water supplementing pipeline (7) is respectively connected with the new water inlet of the semi-closed net circulating water device (2) and the new water inlet of the turbid circulating water device (3).
2. The water saving device of a metallurgical rolling circulating water system according to claim 1, wherein: the cooling water supply device (5) comprises a closed cooling tower (5.3), and the water outlet of the semi-closed net circulating water device (2) is connected with the water inlet of the semi-closed net circulating water device (2) through the closed cooling tower (5.3).
3. The water saving device of a metallurgical rolling circulating water system according to claim 2, wherein: the cooling water supply device (5) further comprises a closed type water absorbing well (5.1), and the water outlet of the semi-closed net circulating water device (2) is connected with the water inlet of the closed type cooling tower (5.3) through the closed type water absorbing well (5.1).
4. A water saving device for a metallurgical rolling circulation water system as claimed in claim 3, wherein: the cooling water supply device (5) further comprises a water supply pump set (5.2), and the closed type water absorbing well (5.1) is connected with a water inlet of the closed type cooling tower (5.3) through the water supply pump set (5.2).
5. The water saving device of a metallurgical rolling circulating water system according to claim 1, wherein: the turbid circulating water sewage purification device (6) comprises a crystallization circulating granulation fluidized bed water softening device (6.2), a sewage port of the turbid circulating water device (3) is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device (6.2), and an outlet end of the crystallization circulating granulation fluidized bed water softening device (6.2) is respectively connected with a soft water inlet of the soft water closed-loop circulating water device (1), a soft water inlet of the semi-closed-loop purified circulating water device (2) and a soft water inlet of the turbid circulating water device (3).
6. The water saving device of the smelting rolling circulating water system according to claim 5, wherein: the turbid circulating water sewage purification device (6) further comprises a solid-liquid separation device (6.3), and the crystallization circulating granulation fluidized bed water softening device (6.2) is respectively connected with a soft water inlet of the soft water closed-loop circulating water device (1), a soft water inlet of the semi-closed-loop purifying circulating water device (2) and a soft water inlet of the turbid circulating water device (3) through the solid-liquid separation device (6.3).
7. The water saving device of the smelting rolling circulating water system according to claim 6, wherein: the turbid circulating water sewage purification device (6) further comprises an adjusting tank (6.1), and a sewage port of the turbid circulating water device (3) is connected with an inlet end of the crystallization circulating granulation fluidized bed water softening device (6.2) through the adjusting tank (6.1).
8. The water saving device of a metallurgical rolling circulating water system according to claim 7, wherein: the turbid circulating water sewage purification device (6) further comprises a softened water storage tank (6.4), and the solid-liquid separation device (6.3) is connected with a soft water inlet of the soft water closed-loop circulating water device (1), a soft water inlet of the semi-closed-loop circulating water device (2) and a soft water inlet of the turbid circulating water device (3) through the softened water storage tank (6.4) respectively.
9. The water saving device of a metallurgical rolling circulating water system according to claim 8, wherein: the turbid circulating water sewage purification device (6) further comprises a softened water replenishing pump set (6.5), and the softened water storage tank (6.4) is respectively connected with a soft water inlet of the soft water closed-loop circulating water device (1), a soft water inlet of the semi-closed-loop purifying circulating water device (2) and a soft water inlet of the turbid circulating water device (3) through the softened water replenishing pump set (6.5).
10. The water saving device of a metallurgical rolling circulation water system of claim 9, wherein: the turbid circulating water sewage purification device (6) further comprises a lifting pump set (6.6), and the regulating tank (6.1) is connected with the inlet end of the crystallization circulating granulation fluidized bed water softening device (6.2) through the lifting pump set (6.6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322720749.0U CN221071233U (en) | 2023-10-10 | 2023-10-10 | Water saving device of smelting rolling circulating water system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720749.0U CN221071233U (en) | 2023-10-10 | 2023-10-10 | Water saving device of smelting rolling circulating water system |
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| CN221071233U true CN221071233U (en) | 2024-06-04 |
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| CN202322720749.0U Active CN221071233U (en) | 2023-10-10 | 2023-10-10 | Water saving device of smelting rolling circulating water system |
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