CN204282438U - A kind of glass industry water circulation system - Google Patents

A kind of glass industry water circulation system Download PDF

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Publication number
CN204282438U
CN204282438U CN201420591727.7U CN201420591727U CN204282438U CN 204282438 U CN204282438 U CN 204282438U CN 201420591727 U CN201420591727 U CN 201420591727U CN 204282438 U CN204282438 U CN 204282438U
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China
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water
glass industry
circulation system
supply
exchange apparatus
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CN201420591727.7U
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汤久升
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QINHUANGDAO GLASS INDUSTRY RESEARCH AND DESIGN INST
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QINHUANGDAO GLASS INDUSTRY RESEARCH AND DESIGN INST
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Abstract

The utility model discloses a kind of glass industry water circulation system, comprise the glass industry watering equipment, heat-exchange apparatus, water storage tank and the supply-water pump that are connected successively by closed pipe network; Described heat-exchange apparatus is closed.In this closed system, recirculated cooling water does not directly contact evaporative cooling with air, and water loss is very little, and floor space is few, substantially reaches zero-emission simultaneously, for hydraulic pressure and water stabilization, improves the stability of manufacturing process; Greatly improve the market competitiveness and the survival ability of enterprise simultaneously, achieve Integrated Energy, Appropriate application, reduce environment pollution, equipment maintenance cost is low, wide adaptability; From long term growth, good economic benefit and environmental benefit can be produced, in industry have a extensive future, be easy to apply.

Description

A kind of glass industry water circulation system
Technical field
The utility model relates to the industrial water use circulating system, particularly relates to one and is applied in glass industry, comprises the closed circulating water system of float glass industry, horizontal drawing glass manufacture, glass post-processing industry.
Background technology
The quantity of drinking water and quality are not only closely bound up with our everyone daily life, play very large restriction or impetus especially to the development of national economy.China is the country that world population is maximum, although total water resource is abundanter, water resource of per capita only has 1/4 of world average level.For China, water resource is very in short supply and precious especially.
Meanwhile, along with the constantly progress of China's industrialized level, the living standard of people is more and more higher, and engineering construction also develops thereupon, and for the demand also cumulative year after year of glass.The demand of sheet glass is maximum in the total consumption of glass, and its output is also corresponding obtains quick increase.Therefore, to the saving of water resource, fully effectively utilize water resource, and reduce new water use, significant in the development of glass work from now on.On the other hand, with water resource lack similar be present stage China's land resources limited, glass work is saved the area extremely important too.
In the design of glass factory, the design of reclaimed water system has considerable position.Pump house and circulating water mode are then the emphasis in this system.Current reclaimed water system adopts open type system, and namely recirculated cooling water and air directly contact the recirculating cooling water system of cooling.This system is mainly by the cooling of water evaporative heat loss, and around cooling tower, large quantity of moisture scatters and disappears, and affects surrounding environment, and the rate of water make-up of its production supplementing water is very large, and blowdown flow rate is large simultaneously, to environment.The rate of water make-up of production supplementing water comprises evaporation loss, the windage loss water yield, leakage loss and the blowdown loss water yield, and this system amount of makeup water is about 3 ~ 8% of systemic circulation water supply volume, summer sometimes water loss up to 12%.
In open type system, pipe network Inner eycle is because directly contacting with air, then the pressure of supply water of supply-water pump is when entering in return pipe and pond, and relative atmospheric pressure reduces to zero, causes the energy waste of supply-water pump in cycle operation; While large water gaging evaporation, in recirculated water, salt density increases, and the pollutant in air enters in reclaimed water system thereupon, and in pipe network, water quality is contaminated; During process contaminant water, its blowdown flow rate is large, larger to environment.
Utility model content
In order to solve the defect existed in above-mentioned prior art, the purpose of this utility model is to provide a kind of glass industry water circulation system, and this system water loss is little, in pipe network, pressure of supply water makes full use of, and interior pressure is stablized, and water quality is well stablized, blowdown flow rate is few, and environmental pollution is little.
To achieve these goals, a kind of glass industry water circulation system of the present utility model, comprises the glass industry watering equipment, heat-exchange apparatus, water storage tank and the supply-water pump that are connected successively by closed circulation pipe network; Described heat-exchange apparatus is closed.Adopt enclosed heat-exchange apparatus, reach the object that cooling water does not directly contact with air in cyclic process, namely cooling water does not utilize evaporative heat loss.
Described closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.Certainly, this closed type hot switching equipment includes, but are not limited to above-mentioned three kinds of equipment.
Described glass industry water circulation system also comprises the moisturizing unit being connected to water storage tank, for suitably supplementing a small amount of moisture lost in long-time cycling use of water process.
Described moisturizing unit comprises replenishing water tank of water and the filter that is connected between replenishing water tank of water and water storage tank and softening plant, water for subsequent use in replenishing water tank of water first filters through filter, softened by softening plant, reach the requirement adapting to cooling water, then add in water storage tank.
Described supply-water pump is connected with described filter by pipeline, so that carry out cleaned filter, to ensure water quality to the water in water storage tank after the long period uses.
Certainly, the pipeline between supply-water pump and glass industry watering equipment also can be connected with chemicals dosing plant, machine adds the reagent such as corrosion inhibiter, antisludging agent in pipe network in due course, to prevent water dirt from being formed, and avoids water pipe to be corroded.
Described water storage tank is also communicated with the gasholder for inflating in water storage tank, the nitrogen be filled with in described gasholder or inert gas, extrudes original oxygen in pipe network by nitrogen or inert gas, suppresses growth of microorganism, avoids water pollution.
The utility model also provides the glass industry water circulation system of another kind of embodiment, and it comprises the glass industry watering equipment, heat-exchange apparatus and the supply-water pump that are connected successively by closed circulation pipe network; Also comprise the moisturizing unit be connected between heat-exchange apparatus and supply-water pump on pipe network; Described heat-exchange apparatus is closed type hot switching equipment, and described closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.。
Described moisturizing unit comprises the replenishing water tank of water, filter, the softening plant that are connected successively.
Also be connected with supercharging device in described softening plant rear end, in pipe network, inject the supplementing water of suitable pressure, to keep pressure equalizing in pipe network.
Described closed type hot switching equipment comprises air cooler, enclosed dry cooling tower or enclosed wet cooling tower.
Described glass industry water circulation system also comprises the chemicals dosing plant be connected between supply-water pump and glass industry watering equipment on pipeline.
As the method for the another kind of cleaning circulation water of this embodiment, described heat-exchange apparatus is connected with described filter by pipeline.
Adopt technique scheme, glass industry water circulation system of the present utility model, has following beneficial effect:
(1) adopt closed system structure, cooling water does not directly contact with air in cyclic process, then fly away towards periphery without water smoke, therefore can not cause influence of moisture to around productive life environment; Pollutant simultaneously in air not easily enters into whole system, and water quality is very stable;
(2) in closed system, cooling water does not adopt the mode of evaporation to dispel the heat, then moisture does not scatter and disappear, and without the need to the moisturizing because of moisture loss, therefore new water supplemental amount is little; Simultaneity factor apparatus arrangement is without the need to water evaporative heat loss desired spacing, then whole system compact in design, and floor space is few, less than 50% of open type system;
(3) sewage flow rate is few, even can reach zero-emission;
To sum up, glass industry water circulation system of the present utility model, equipment maintenance cost is low, wide adaptability, can produce good economic benefit and environmental benefit, in industry have a extensive future.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model embodiment one;
Fig. 2 is the structured flowchart of the utility model embodiment two;
Fig. 3 is the structured flowchart of the utility model embodiment three;
Fig. 4 is the structured flowchart of the utility model embodiment four.
Detailed description of the invention
The utility model, in the glass industry water circulation system of routine, is abandoned original open hot switching equipment, is connected by each equipment by external channeling, forms a kind of enclosed water circulation system.Adopt system lock, the hydraulic pressure that supply-water pump provides can not scatter and disappear in pipe network, water in heat transmission equipment is back to water storage tank under the effect of overbottom pressure, thus the heat-exchanger pump eliminated in original system and hot-tub, save energy consumption, decrease discharge, check the idea of development of modern industry green, saving, environmental protection.
Below by way of accompanying drawing (arrow indicated in figure only represents pipe network annexation between each equipment and fluid or the direction that material flowed or added, and does not have other meanings) and detailed description of the invention, the utility model is described in further detail.
Embodiment one:
As shown in Figure 1, a kind of glass industry water circulation system, comprises the glass industry watering equipment 1, heat-exchange apparatus 2, water storage tank 3 and the supply-water pump 4 that are connected successively by closed circulation pipe network.After circulation refers to and extracts water by described supply-water pump 4 in water storage tank 3 by Pipeline transport to glass industry watering equipment 1, coolant-temperature gage after using is higher, lowered the temperature to heat-exchange apparatus 2 by Pipeline transport again, water after cooling is back in water storage tank, again extracts recycle in order to supply-water pump 4.Close and refer to that, in whole cyclic process, the recirculated water in pipe network does not directly contact with external air all the time.
Industrial water use in glass industry watering equipment 1 generally has three kinds: in (1) float glass industry: for combined workshop, comprises the cooling water of fusing workshop section's water bag and cooling device, forming station water bag and equipment (wherein edge machine is main watering equipment) and other instrument etc.; For protective gas workshop, mainly comprise the various process equipments at nitrogen station, hydrogen station, also comprise its gas station simultaneously, the equipment cooling water of waste heat boiler etc.; (2) in the industry of lattice method production line: the main melting furnaces for combined workshop and various equipment have cooling water, also comprise air compressor machine and other workshop cooling waters simultaneously; (3) in glass post-processing industry: mainly various machine tool and the wash water needing cooling, above-mentioned water all needs to recycle.
Described heat-exchange apparatus 2 is closed type hot switching equipment, namely high temperature water in temperature-fall period all the time not with contacting external air, complete cooling in the closed condition, this closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.Air cooler, i.e. air cooler are using surrounding air as cooling medium, and horizontal plunderring manages outer fin, make high temperature water in pipe obtain the equipment cooled.The enclosed dry cooling tower in addition of same principle.And for enclosed wet cooling tower, normally applying when the water yield is more sufficient, owing to adopting independently cooling water system in this cooling tower, cooling water in this system directly contacts with the pipeline of high temperature water and carries out interchange of heat, cooling water in cooling tower temperature after carrying out interchange of heat raises, or can evaporate in air, although the target of real water saving can not be reached, other the technique effect of closed circulating water system that the utility model adopts can be reached.Enclosed wet cooling tower, its cooling principle is still indirect heat exchange, and the cooling water that cooling tower uses can adopt the water source not high to water quality requirement.
Described glass industry water circulation system also comprises the moisturizing unit being connected to water storage tank, suitably supplements in water cycle process to a small amount of moisture lost.This moisturizing unit comprises replenishing water tank of water 5 and the filter 6 that is connected between replenishing water tank of water 5 and water storage tank and softening plant 7.
Described filter 6 comprises the equipment such as pressure filter tank and electric water treatment device; Softening plant 7 is for carrying out sofening treatment to contaminated water in supplementing water and part use procedure.
Recirculated water due to closed circulating water system can form pollution to a certain degree gradually in pipe network in long-term operation, need to add a certain amount of corrosion inhibiter, antisludging agent etc.Therefore the pipeline between supply-water pump and glass industry watering equipment is also connected with chemicals dosing plant 8; adopt pressure application in pipe network, add above-mentioned corrosion inhibiter, antisludging agent at any time or regularly improve water quality and protect steel pipe network; reduce the possibility of water fouling in pipeline, also greatly reduce the interior water of pipe further to the corrosion of pipeline.
Described water storage tank 3 is also communicated with the gasholder 9 for inflation in water storage tank 3, the nitrogen be filled with in described gasholder 9 or inert gas.Due to equipment longtime running, the various biologies such as algae may be had in water storage tank 3 and in pipe network produce, the closed gas (nitrogen or inert gas) adding pressure-fired gets rid of the oxygen in pipe network, then can suppress the generation that algae etc. is biological, ensure the water quality of recirculated water.
The present embodiment glass industry water circulation system is connected to form by above-mentioned each component combination.
Above-mentioned glass industry water circulation system can also be controlled by control system (not shown), controls each unit and be arranged on each valve etc. on pipe network by the control chip of routine.
Embodiment two:
As shown in Figure 2, the glass industry water circulation system in this embodiment two of the utility model, comprises the glass industry watering equipment 1, heat-exchange apparatus 2, water storage tank 3 and the supply-water pump 4 that are connected successively by closed circulation pipe network.
Described glass industry water circulation system also comprises the moisturizing unit being connected to water storage tank, and this moisturizing unit comprises replenishing water tank of water 5 and the filter 6 that is connected between replenishing water tank of water 5 and water storage tank and softening plant 7.
Described water storage tank 3 is also communicated with the gasholder 9 for inflation in water storage tank 3, the nitrogen be filled with in described gasholder 9 or inert gas.
Be with the difference of embodiment one, glass industry water circulation system in this embodiment two, without the need to arranging chemicals dosing plant, but described supply-water pump 4 is connected with described filter 6 by pipeline, as cleared up recirculated water, then close the valve between supply-water pump 4 and glass industry watering equipment 1, and the valve opened between supply-water pump 4 and filter 6, be transferred in filter 6 by the supply-water pump water extracted in water storage tank 3 and filter, softening in process, then be back in water storage tank 3, can play equally and remove recirculated water because using the impurity produced for a long time, improve water quality, avoid the generation of incrustation scale, reduce water to the corrosion of pipeline.
Embodiment three:
As shown in Figure 3, the utility model also provides a kind of glass industry water circulation system, comprise the glass industry watering equipment 1, heat-exchange apparatus 2 and the supply-water pump 4 that are connected successively by closed circulation pipe network, also comprise the moisturizing unit be connected between heat-exchange apparatus 2 and supply-water pump 4 on pipe network; This moisturizing unit comprises replenishing water tank of water 5 and the filter 6 that is connected with replenishing water tank of water 5 and softening plant 7.Cooling water is by Pipeline transport to glass industry watering equipment 1, and the coolant-temperature gage after using is higher, then is lowered the temperature to heat-exchange apparatus 2 by Pipeline transport, and the water after cooling extracts backflow through supply-water pump 4, recycles.But for ensureing industrial uninterrupted operation, its supply-water pump 4 need increase stand-by power, as powerful devices such as diesel engines, also can directly adopt Diesel engine pump etc. as supply-water pump.Also one supercharging device 10 can be set in softening plant 7 rear end simultaneously, this supercharging device 10 can be any type of water pump, be input in the pipe network between heat-exchange apparatus 2 and supply-water pump 4 after demineralized water is pressurizeed again, thus increase cyclic hydrostatic pressure further, ensure industrial uninterrupted operation.
Described heat-exchange apparatus 2 is closed type hot switching equipment, and described closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.
Pipeline between supply-water pump and glass industry watering equipment is also connected with chemicals dosing plant 8.
Compare with embodiment two with embodiment one, the glass industry water circulation system of this embodiment three, eliminates the setting of water storage tank and gasholder, thus further reduces the use amount of equipment, reduces the floor space of whole system.
Embodiment four:
As shown in Figure 4, glass industry water circulation system in this embodiment four of the utility model, comprise the glass industry watering equipment 1, heat-exchange apparatus 2 and the supply-water pump 4 that are connected successively by closed circulation pipe network, also comprise the moisturizing unit be connected between heat-exchange apparatus 2 and supply-water pump 4 on pipe network; This moisturizing unit comprises replenishing water tank of water 5 and the filter 6 that is connected with replenishing water tank of water 5 and softening plant 7, and softening plant 7 rear end is provided with supercharging device 10.
Described heat-exchange apparatus 2 is also connected with described filter 6 by pipeline.
This embodiment four is from the different of embodiment three, the setting of chemicals dosing plant is eliminated in system, and heat-exchange apparatus 2 is directly connected with filter 6, when needs filter recirculated water, the valve can opened therebetween makes water directly from heat-exchange apparatus 2 in inflow filter 6, carry out filtering, soften, increase, then re-start circulation, thus reach the object keeping water quality.The chemicals dosing plant of this embodiment four owing to cancelling, thus the use amount of further minimizing equipment and system footprint area, reach cost lower, compacter effect.
In sum, above-mentioned design fully ensure that safety, the unfailing performance of circulating water supply system, ensure that the normal circulation of system uses, also fully ensure that the normal operation of cooling device and the production of enterprise are carried out smoothly simultaneously.
The closed circulatory system of this glass industry water, can either reach the cooling object of recirculated water, makes again evaporation of water amount seldom even not evaporate, and the total losses amount of water is no more than 0.1% of the global cycle water yield; The hydraulic pressure that supply-water pump provides makes full use of, hydraulic pressure, water temperature stability in pipe network; Water quality is well stablized; Blowdown flow rate is few, and environmental pollution is little; Meanwhile, improve the stability of manufacturing process, drastically increase the market competitiveness and the survival ability of enterprise, achieve Integrated Energy, Appropriate application, reduce environment pollution.
The utility model adapts to national conditions, is applicable to various water quality situation in Chinese glass industry; there is height reliability; advanced technology, flexible operation; it is the successful example of rational energy and comprehensive utilization; to the development of promotion industry technology, reduce enterprise's cost of production and environmental protection significant, can wide popularization and application in the Online revamp of domestic newly-built float glass line and other flat glass production lines and existing production line.

Claims (9)

1. a glass industry water circulation system, is comprised the glass industry watering equipment, heat-exchange apparatus, water storage tank and the supply-water pump that are connected successively by closed circulation pipe network, it is characterized in that: described heat-exchange apparatus is closed type hot switching equipment; Described glass industry water circulation system also comprises the moisturizing unit being connected to water storage tank, and described moisturizing unit comprises replenishing water tank of water and the filter that is connected between replenishing water tank of water and water storage tank and softening plant.
2. glass industry water circulation system as claimed in claim 1, is characterized in that: described closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.
3. glass industry water circulation system as claimed in claim 1, is characterized in that: described water storage tank is also communicated with the gasholder for inflating in water storage tank, the nitrogen be filled with in described gasholder or inert gas.
4. the glass industry water circulation system as described in any one of claims 1 to 3, is characterized in that: the pipeline between supply-water pump and glass industry watering equipment is also connected with chemicals dosing plant.
5. the glass industry water circulation system as described in any one of claims 1 to 3, is characterized in that: described supply-water pump is connected with described filter by pipeline.
6. a glass industry water circulation system, comprise the glass industry watering equipment, heat-exchange apparatus and the supply-water pump that are connected successively by closed circulation pipe network, it is characterized in that: also comprise the moisturizing unit be connected between heat-exchange apparatus and supply-water pump on pipe network; Described heat-exchange apparatus is closed type hot switching equipment, and described closed type hot switching equipment is air cooler or enclosed dry cooling tower or enclosed wet cooling tower.
7. glass industry water circulation system as claimed in claim 6, is characterized in that: described moisturizing unit comprises the replenishing water tank of water, filter, the softening plant that are connected successively, is also connected with supercharging device in described softening plant rear end.
8. glass industry water circulation system as claimed in claims 6 or 7, is characterized in that: the pipeline between supply-water pump and glass industry watering equipment is also connected with chemicals dosing plant.
9. glass industry water circulation system as claimed in claim 7, is characterized in that: described heat-exchange apparatus is connected with described filter by pipeline.
CN201420591727.7U 2014-10-14 2014-10-14 A kind of glass industry water circulation system Withdrawn - After Issue CN204282438U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264738A (en) * 2014-10-14 2015-01-07 秦皇岛玻璃工业研究设计院 Water circulating system for glass industry
CN106839803A (en) * 2017-01-17 2017-06-13 洛阳中硅高科技有限公司 Circulation
CN108529796A (en) * 2018-03-07 2018-09-14 上海梅山钢铁股份有限公司 A kind of high-voltage motor cooling water recirculation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264738A (en) * 2014-10-14 2015-01-07 秦皇岛玻璃工业研究设计院 Water circulating system for glass industry
CN106839803A (en) * 2017-01-17 2017-06-13 洛阳中硅高科技有限公司 Circulation
CN108529796A (en) * 2018-03-07 2018-09-14 上海梅山钢铁股份有限公司 A kind of high-voltage motor cooling water recirculation system

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Granted publication date: 20150422

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