CN212133356U - High-performance alcohol ether circulating water system device treatment system - Google Patents
High-performance alcohol ether circulating water system device treatment system Download PDFInfo
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- CN212133356U CN212133356U CN202020705645.6U CN202020705645U CN212133356U CN 212133356 U CN212133356 U CN 212133356U CN 202020705645 U CN202020705645 U CN 202020705645U CN 212133356 U CN212133356 U CN 212133356U
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Abstract
The utility model discloses a high-performance alcohol ether circulating water system device treatment system, which comprises a cooling tower, wherein the upper part of the cooling tower is provided with a cooling tower filling area, and the lower part of the cooling tower is provided with a cooling tower ventilation area; a cooling tower lower water pool is arranged at the bottom of the cooling tower, and a cooling tower air duct area is arranged at the top of the cooling tower; shutter type pre-cooling heat exchange devices are arranged on two sides of the cooling tower filling area, and rolling curtain type air collecting devices are arranged on two sides of the cooling tower ventilation area; the utility model has the advantages that: the water in the extraction tower can be effectively extracted and supplied to a corresponding heat exchange system, the water is reasonably utilized, the water vapor in the cooling tower is recovered to the maximum extent, and the effects of comprehensive energy conservation and environmental protection are achieved.
Description
Technical Field
The utility model relates to an industrial circulating water treatment device, a high performance alcohol ether circulating water system device processing system specifically says so belongs to industrial circulating water treatment facilities field.
Background
According to the 'thirteen-five' planning of the autonomous region, the coal chemical industry is taken as a novel industrial important component of Xinjiang and plays an important role in promoting the optimization and upgrade of industrial structures, cultivating new economic growth points, effectively coping with the downward pressure of economy and the like. The healthy and orderly development of the coal chemical industry is an important means for dealing with new normality of economic development in the autonomous region, is an important gripper for grasping new characteristics, new trend and new challenge of the economic development of Xinjiang, is an important way for realizing land energy large channel construction provided by the center to the autonomous region, and is an important support for promoting the novel industrial development of Xinjiang.
It is well known that the water consumption of coal chemical engineering projects is mainly a circulating cooling water system. The circulating cooling water system adopts an open system, and the proportion of the make-up water of the traditional mechanical ventilation wet cooling tower system in the consumption of fresh water (containing reuse water) in the whole plant is up to more than 60%. Therefore, reducing the amount of make-up water in the circulating cooling water system to reduce the consumption of fresh water is one of the important means for reducing the consumption of fresh water in coal chemical engineering projects. Meanwhile, because the mechanical ventilation cooling tower is low in height, the weather is cold in winter and the time is long, a large amount of steam is generated in the process that circulating water is in contact with air in the cooling tower to carry out convection heat exchange, heavier water mist is formed and is scattered out of a cooling tower air duct, the road surface around the cooling tower is wet and slippery, the normal inspection of workers and the mist diffusion in winter are influenced, the visibility of surrounding road traffic and the small environments of a production area and a living area are influenced, and the economic and social environments of enterprises are greatly influenced.
With the improvement of environmental protection requirements, the water saving and fog dissipation of the cooling tower become more and more important. Therefore, aiming at the problems of the widely-gathered alcohol ether circulating water system and the circulating water system of chemical enterprises in Xinjiang and the like at present, the research and development of a novel circulating water system are urgent, and the method is an important measure for solving the problems of water resource shortage, controllable cost, environmental friendliness and enhancement of the overall competitiveness and the core competitiveness of industrial economy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a high performance alcohol ether circulating water system device processing system, can effectual extraction tower internal water volume, provide corresponding heat transfer system, rational utilization carries out furthest's recovery to aqueous vapor in the cooling tower, reaches the effect of comprehensive energy-conservation and environmental protection.
The technical scheme of the utility model is that:
the treatment system comprises a cooling tower, wherein a cooling tower filling area is arranged at the upper part of the cooling tower, and a cooling tower ventilating area is arranged at the lower part of the cooling tower; a cooling tower lower water pool is arranged at the bottom of the cooling tower, and a cooling tower air duct area is arranged at the top of the cooling tower; the device is characterized in that shutter type pre-cooling heat exchange devices are arranged on two sides of a filling area of the cooling tower, shutter type air collecting devices are arranged on two sides of a ventilating area of the cooling tower, the shutter type pre-cooling heat exchange devices are used for carrying out heat exchange treatment on part of water quantity of circulating water returning water on the upper tower, and the shutter type air collecting devices are closed when the ambient temperature is lower in winter, so that the air intake of the cooling tower is reduced, and the temperature in the tower is increased.
The cooling tower is provided with a main water inlet pipe, and the main water inlet pipe is communicated with a water return main pipe of the alcohol ether circulating water cooling tower.
The process device cooling water from the return water main pipe of the alcohol ether circulating water cooling tower enters the cooling tower and then reaches the cold water tank, and is conveyed to the water consumption point of the process device through the cold water pump, and is conveyed to the cooling tower through the chemical adding device at the water consumption point of the process device.
The main water inlet pipe is communicated with a cooling tower filling area at the upper part of the cooling tower and flows to a lower water pool of the cooling tower through spraying; the main water inlet pipe is also connected with the shutter type precooling heat exchange device through a water outlet branch pipe, and the shutter type precooling heat exchange device is connected with the lower water pool of the cooling tower through a water outlet pipe and flows into the lower water pool of the cooling tower after heat exchange.
The precooling heat exchanger and the filler are both fresh air, the air flows in parallel, flows through the heat exchange tube and the filler respectively through the filler layer in the cooling tower and the shutter type precooling heat exchange devices on the two sides of the outside of the cooling tower, and is finally discharged to a water tank below the alcohol ether cooling tower, so that the purpose of saving water is achieved.
The filler layer in the alcohol ether cooling tower discharges nearly saturated hot and humid air which is mixed with the air heated by the heat exchanger to a critical state point, and then the hot and humid air is discharged out of the alcohol ether cooling tower and mixed with the air of the external environment, and the aim of fog dissipation is achieved because the absolute humidity and the saturation curve do not intersect and white smoke is not generated.
The utility model discloses install in the north and south both sides of alcohol ether cooling tower, north and south both sides respectively increase a set of shutter formula precooling heat transfer device, and in the lower winter of temperature, spring, autumn festival, return water partly flows into the cooling tower through upper portion shutter formula precooling heat transfer device earlier, and another part is through the interior filler cooling of cooling tower to water supply temperature. Fresh air is used in the upper louver type pre-cooling heat exchange device and the cooling tower filler layer, the air flows together after being combined, flows through the heat exchange tubes and the filler after passing through the respective louver type pre-cooling heat exchange device and the cooling tower inner filler layer respectively, and is finally discharged to a cooling tower lower water tank.
The utility model has the advantages that: the water-saving device is additionally arranged on the cooling tower to achieve the purpose of saving water and reduce the cost of water for use by transforming the water circulating device into a water-saving and fog-eliminating mode. The improvement and the adjustment of the load of the backwater entering the packing layer are completed, the effects of reducing the white smoke and eliminating the water mist are achieved, the safe and reliable operation of the production system is improved, and the refrigerating capacity of the system is increased. The water-saving fog dispersal system relieves the freezing and environmental problems in cold weather and avoids microclimate in the peripheral area of circulating water.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of a process flow of a circulating water treatment system according to an embodiment of the present invention;
fig. 2 is the structural schematic diagram of the alcohol ether water-saving fog-dispersing modification of the circulating water treatment system of the embodiment of the utility model.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 2, a high-performance alcohol ether circulating water system device treatment system comprises a cooling tower, wherein a cooling tower filling area 1 is arranged at the upper part of the cooling tower, and a cooling tower ventilating area 2 is arranged at the lower part of the cooling tower; a cooling tower lower water pool 3 is arranged at the bottom of the cooling tower, and a cooling tower air duct area 4 is arranged at the top of the cooling tower; the device is characterized in that shutter type pre-cooling heat exchange devices 5 are arranged on two sides of the cooling tower filling area 1, shutter type air collecting devices 6 are arranged on two sides of the cooling tower ventilating area 2, the shutter type pre-cooling heat exchange devices 5 perform heat exchange treatment on part of water quantity of circulating water returning to the water upper tower, and the shutter type air collecting devices 6 are turned off when the environment temperature is lower in winter, so that the air intake of the cooling tower is reduced, and the temperature in the tower is raised.
The louver type precooling heat exchange device 5 is mainly installed on two sides of the cooling tower, the main structure is a fin type heat exchanger, the inner part of the louver type precooling heat exchange device is composed of a straight-flow pipeline, the outer shape of the louver type precooling heat exchange device is composed of fins, and the hot humid air and the cold dry air in the tower exchange heat through the louver type precooling heat exchanger, so that partial recovery of the evaporation water and fog dissipation are realized. The heat exchanger greatly reduces the moisture content of the air out of the tower, recovers condensed water, simultaneously realizes the sufficient mixed flow of the dry and wet air discharged by the cooling tower, obtains better fog dissipation effect of the cooling tower and realizes the aim of dissipating fog and saving water.
The rolling curtain type air collecting device 6 mainly comprises a lifting rolling door and a control motor, and the air inlet volume of an air inlet at the lower part of the cooling tower is adjusted by controlling the lifting height of the rolling door, so that the control of the temperature in the cooling tower is realized.
The cooling tower is provided with a main water inlet pipe 11, and the main water inlet pipe 11 is communicated with a return water main pipe (process device cooling water) of the alcohol ether circulating water cooling tower.
As shown in fig. 1, process unit cooling water from a return water manifold of an alcohol ether circulating water cooling tower enters a cooling tower, then reaches a cold water tank, is conveyed to a process unit water consumption point through a cold water pump, and is conveyed to the cooling tower through a dosing device at the process unit water consumption point.
The main water inlet pipe 11 is communicated with a cooling tower filling area 1 at the upper part of the cooling tower and flows to a cooling tower lower water pool 3 through spraying; the main water inlet pipe 11 is also connected with the shutter type pre-cooling heat exchange device 5 through a water outlet branch pipe 13, and the shutter type pre-cooling heat exchange device 5 is connected with the cooling tower lower water pool 3 through a water outlet pipe 12 and flows into the cooling tower lower water pool 3 after heat exchange.
The precooling heat exchanger and the filler are both fresh air, the air flows in parallel, flows through the heat exchange tube and the filler respectively through the filler layer in the cooling tower and the shutter type precooling heat exchange devices on the two sides of the outside of the cooling tower, and is finally discharged to a water tank below the alcohol ether cooling tower, so that the purpose of saving water is achieved.
The filler layer in the alcohol ether cooling tower discharges nearly saturated hot and humid air which is mixed with the air heated by the heat exchanger to a critical state point, and then the hot and humid air is discharged out of the alcohol ether cooling tower and mixed with the air of the external environment, and the aim of fog dissipation is achieved because the absolute humidity and the saturation curve do not intersect and white smoke is not generated.
The utility model discloses install in the north and south both sides of alcohol ether cooling tower, north and south both sides respectively increase a set of shutter formula precooling heat transfer device, and in the lower winter of temperature, spring, autumn festival, return water partly flows into the cooling tower through upper portion shutter formula precooling heat transfer device earlier, and another part is through the interior filler cooling of cooling tower to water supply temperature. Fresh air is used in the upper louver type pre-cooling heat exchange device and the cooling tower filler layer, the air flows together after being combined, flows through the heat exchange tubes and the filler after passing through the respective louver type pre-cooling heat exchange device and the cooling tower inner filler layer respectively, and is finally discharged to a cooling tower lower water tank.
Because of precooling, the heat load of the filling section is reduced, the evaporation capacity is greatly reduced compared with that of a conventional tower, meanwhile, after the air and the air of the precooling section are mixed, the moisture content is very low, and the dew point temperature of the air is lower than the ambient temperature, so that water mist can not be generated. Can switch to conventional tower operation mode through the valve in summer, the circulating water is direct at this moment through the filler, precools heat exchanger and shutter is closed, along with the season difference, and nimble switching operation mode realizes the purpose of water conservation. Wherein, the water conservation measurement mode: and (3) detecting the inlet and outlet temperature and the flow water saving rate of the heat exchanger = (the inlet and outlet temperature difference of the heat exchanger is multiplied by the water quantity entering the heat exchanger)/(the total water quantity is multiplied by the total temperature difference).
Through the research of fog dispersal, in winter, spring and autumn with lower temperature, utilize dew point water saving fixtures to realize the circulating water precooling to reduce filler heat load, reduced the water yield evaporation, reduced whole dew point simultaneously, reduced "white cigarette" phenomenon, realized the effect of fog dispersal, thereby improve the environment.
Claims (3)
1. High performance alcohol ether circulating water system device processing system, its characterized in that: the treatment system comprises a cooling tower, wherein a cooling tower filling area is arranged at the upper part of the cooling tower, and a cooling tower ventilating area is arranged at the lower part of the cooling tower; a cooling tower lower water pool is arranged at the bottom of the cooling tower, and a cooling tower air duct area is arranged at the top of the cooling tower; shutter type precooling heat exchange devices are arranged on two sides of the cooling tower filling area, and roller shutter type air collecting devices are arranged on two sides of the cooling tower ventilation area.
2. The high performance alcohol ether circulating water system plant treatment system of claim 1, wherein: the cooling tower is provided with a main water inlet pipe, and the main water inlet pipe is communicated with a water return main pipe of the alcohol ether circulating water cooling tower.
3. The high performance alcohol ether circulating water system plant treatment system of claim 2, wherein: the main water inlet pipe is communicated with a cooling tower filling area at the upper part of the cooling tower and flows to a lower water pool of the cooling tower through spraying; the main water inlet pipe is also connected with the shutter type precooling heat exchange device through a water outlet branch pipe, and the shutter type precooling heat exchange device is connected with the lower water pool of the cooling tower through a water outlet pipe and flows into the lower water pool of the cooling tower after heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705645.6U CN212133356U (en) | 2020-04-30 | 2020-04-30 | High-performance alcohol ether circulating water system device treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705645.6U CN212133356U (en) | 2020-04-30 | 2020-04-30 | High-performance alcohol ether circulating water system device treatment system |
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| CN212133356U true CN212133356U (en) | 2020-12-11 |
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| CN202020705645.6U Active CN212133356U (en) | 2020-04-30 | 2020-04-30 | High-performance alcohol ether circulating water system device treatment system |
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