CN104843896A - Filter for removing iron from condensed water - Google Patents
Filter for removing iron from condensed water Download PDFInfo
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- CN104843896A CN104843896A CN201410722559.5A CN201410722559A CN104843896A CN 104843896 A CN104843896 A CN 104843896A CN 201410722559 A CN201410722559 A CN 201410722559A CN 104843896 A CN104843896 A CN 104843896A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 34
- 239000012267 brine Substances 0.000 claims abstract description 14
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 14
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 7
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 7
- 235000014676 Phragmites communis Nutrition 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 7
- -1 iron ions Chemical class 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种冷凝水除铁过滤器，特别是涉及一种用于蒸汽锅炉冷凝水回收利用处理中的冷凝水除铁过滤器。The invention relates to a condensed water iron removal filter, in particular to a condensed water iron removal filter used in steam boiler condensed water recovery and utilization treatment.
背景技术Background technique
冷凝水是蒸汽锅炉蒸的产物，当水在锅炉中被加热，转变为蒸汽。蒸汽在使用后降温再相变为水，经冷凝水管道回收。对于冷凝水的回用，其最高的使用价值是回用做锅炉补水，一是可以减少软化水的生产量，减少软化过程对环境的污染和软化费用；二是可以有效减低锅炉水的总固形物，减少锅炉的排污量；三是最大效率的回收了冷凝水中的热量，减少热污染和能源消耗。从以上三方面讲，冷凝水处理后回用到锅炉做补水，是非常有利于环境保护和节水，节能及再生药剂等资源的有力之举。但是，目前，在低压锅炉领域，冷凝水的回用状况不乐观，大部分都是冷凝水排放，不但造成浪费，而且污染环境。而冷凝水不能回用的主要问题是含有高浓度的铁离子，同时还含有氧化铁等悬浮物，不能满足锅炉补水的基本要求。Condensed water is the product of steaming in a steam boiler. When water is heated in a boiler, it turns into steam. After use, the steam cools down and turns into water, which is recovered through the condensed water pipeline. For the reuse of condensed water, its highest use value is to reuse it as boiler replenishment water. First, it can reduce the production of softened water, reduce the environmental pollution and softening costs during the softening process; second, it can effectively reduce the total solid content of boiler water. The third is to recover the heat in the condensed water with maximum efficiency, reducing thermal pollution and energy consumption. From the above three aspects, it is very beneficial to environmental protection, water saving, energy saving and regeneration of chemicals and other resources to reuse condensed water for boiler water replenishment after treatment. However, at present, in the field of low-pressure boilers, the reuse of condensed water is not optimistic, and most of the condensed water is discharged, which not only causes waste, but also pollutes the environment. The main problem that condensed water cannot be reused is that it contains high concentration of iron ions and suspended solids such as iron oxide, which cannot meet the basic requirements of boiler water replenishment.
中国专利公开了一种公开号为CN 201493996U的冷凝水除铁过滤装置，该冷凝水除铁过滤装置包括筒体，进水口，出水口，其特征在于，所述的进水口和出水口在同一水平面，且相对设置；在所述的筒体内设置有滤筒。该装置虽然达到了滤除氧化铁等悬浮物，但是对于可溶于水中的铁离子就没有效果，并且悬浮物沉积在滤筒内过多时，如果不及时清理，滤筒滤除悬浮物的效果就会不佳，容易造成滤筒堵塞。The Chinese patent discloses a condensed water iron removal filter device with the publication number CN 201493996U. The condensed water iron removal filter device includes a cylinder, a water inlet, and a water outlet. The horizontal plane is arranged oppositely; a filter cartridge is arranged in the cylinder. Although the device can filter out suspended solids such as iron oxide, it has no effect on iron ions soluble in water, and when there are too many suspended solids deposited in the filter cartridge, if it is not cleaned in time, the filter cartridge can filter out suspended solids. It will be bad, and it is easy to cause the filter cartridge to clog.
发明内容Contents of the invention
本发明要解决的技术问题是提供一种结构简单的冷凝水除铁过滤器，达到了有效滤除悬浮物和铁离子的效果，实现了冷凝水的回收利用，有利于保护环境和节水。The technical problem to be solved by the present invention is to provide a condensed water iron removal filter with a simple structure, which achieves the effect of effectively filtering out suspended solids and iron ions, realizes the recycling and utilization of condensed water, and is beneficial to environmental protection and water saving.
为解决上述技术问题，本发明的技术方案为：提供一种冷凝水除铁过滤器，包括进水管、出水管、第一球阀、集水箱以及软化机，第一球阀的输入端连接进水管，第一球阀的输出端连接集水箱，软化机包括自动控制多路阀、过滤箱以及盐水箱，自动控制多路阀的第一端连接集水箱，自动控制多路阀的第二端连接过滤箱，过滤箱内装有离子交换树脂，自动控制多路阀的第三端连接盐水箱，自动控制多路阀的第四端连接出水管。在使用时，第一球阀为总阀门，通过开关第一球阀可以控制整个冷凝水除铁过滤器的开关。集水箱用于将冷凝水沉积一段时间，使得冷凝水中的氧化铁等悬浮物可以沉积下来，集水箱为软化机提供无悬浮物的冷凝水，达到滤除悬浮物的效果。软化机的自动控制多路阀接收来自集水箱的冷凝水，首先在自动控制多路阀的作用下冷凝水进入过滤箱，过滤箱中的离子交换树脂与冷凝水时即可将其本身的某一种具有活性的离子和水中的铁离子相互交换，即发生置换反应，去除水中可溶解的铁离子；随后，自动控制多路阀将软化后的冷凝水通过出水管输出到外界；最后，在树脂失效后，交换树脂本身不溶于水，并且交换反应时可逆的，则自动控制多路阀将盐水箱内的NaCl输入过滤箱中，离子交换树脂得到再生。In order to solve the above technical problems, the technical solution of the present invention is to provide a condensed water iron removal filter, including a water inlet pipe, a water outlet pipe, a first ball valve, a water collection tank and a softener, the input end of the first ball valve is connected to the water inlet pipe, The output end of the first ball valve is connected to the water collection tank. The softener includes an automatic control multi-way valve, a filter box and a brine tank. The first end of the automatic control multi-way valve is connected to the water collection tank, and the second end of the automatic control multi-way valve is connected to the filter box. , the filter box is equipped with ion exchange resin, the third end of the automatic control multi-way valve is connected to the brine tank, and the fourth end of the automatic control multi-way valve is connected to the water outlet pipe. When in use, the first ball valve is a main valve, and the switch of the entire condensed water iron removal filter can be controlled by switching the first ball valve. The water collecting tank is used to deposit the condensed water for a period of time, so that the suspended matter such as iron oxide in the condensed water can be deposited. The water collecting tank provides the condensed water without suspended matter for the softener to achieve the effect of filtering out the suspended matter. The automatic control multi-way valve of the softener receives the condensed water from the water collection tank. First, the condensed water enters the filter box under the action of the automatic control multi-way valve. An active ion is exchanged with iron ions in water, that is, a replacement reaction occurs to remove soluble iron ions in water; then, the multi-way valve is automatically controlled to output the softened condensed water to the outside through the outlet pipe; finally, in After the resin fails, the exchange resin itself is insoluble in water, and the exchange reaction is reversible, then the multi-way valve is automatically controlled to input the NaCl in the brine tank into the filter tank, and the ion exchange resin is regenerated.
进一步的，所述冷凝水除铁过滤器还包括取样阀，取样阀设置于出水管处。通过在出水管设置取样阀，可以对出水管输出的冷凝水进行质量检测。Further, the condensed water iron removal filter also includes a sampling valve, and the sampling valve is arranged at the outlet pipe. By setting a sampling valve on the water outlet pipe, the quality of the condensed water output from the water outlet pipe can be inspected.
进一步的，所述冷凝水除铁过滤器还包括第一压力表以及第二压力表，第一压力表设置于集水箱与自动控制多路阀的连接处，第二压力表设置于自动控制多路阀与出水管的连接处。由于设备要求进水压力0.3MPa左右，故设置第一压力表进行监测；第二压力表则是监测出水管的压力，防止出水管的压力过大。Further, the condensed water iron removal filter also includes a first pressure gauge and a second pressure gauge, the first pressure gauge is set at the connection between the water collection tank and the automatic control multi-way valve, and the second pressure gauge is set at the automatic control multi-way valve The connection between the road valve and the outlet pipe. Since the equipment requires the water inlet pressure to be about 0.3MPa, the first pressure gauge is set for monitoring; the second pressure gauge is to monitor the pressure of the outlet pipe to prevent the pressure of the outlet pipe from being too high.
进一步的，所述冷凝水除铁过滤器还包括第一排水地漏以及第二排水地漏，第一排水地漏与自动控制多路阀的第五端连接，第二排水地漏连接于盐水箱的上端。第一排水地漏用于在过滤箱内的水位过高时，将过多的水从第一排水地漏排出；第二排水地漏用于在盐水箱的液位过高时，将过多的液体排出。Further, the condensed water iron removal filter also includes a first drainage floor drain and a second drainage floor drain, the first drainage floor drain is connected to the fifth end of the automatic control multi-way valve, and the second drainage floor drain is connected to the upper end of the brine tank. The first drainage floor drain is used to drain excess water from the first drainage floor drain when the water level in the filter tank is too high; the second drainage floor drain is used to drain excess liquid when the liquid level in the brine tank is too high .
进一步的，所述集水箱包括箱体、滤芯、软管、进水口以及出水口，进水口设置于箱体的顶面，出水口设置于箱体的侧面并靠近箱体的顶面，滤芯以及软管均置于箱体内且滤芯通过软管与进水口连通。冷凝水通过进水口进入到滤芯内，悬浮物沉积在滤芯内，水则通过滤芯上的细微小孔渗入到箱体与滤芯之间，去除了悬浮物的冷凝水则通过出水口输出。Further, the water collection tank includes a box body, a filter element, a hose, a water inlet and a water outlet, the water inlet is arranged on the top surface of the box body, the water outlet is arranged on the side of the box body and is close to the top surface of the box body, the filter element and The hoses are all placed in the box and the filter element is communicated with the water inlet through the hoses. The condensed water enters the filter element through the water inlet, and the suspended solids are deposited in the filter element. The water seeps into the space between the box and the filter element through the tiny pores on the filter element, and the condensed water with suspended solids removed is output through the water outlet.
再进一步的，所述集水箱还包括弹簧、永磁铁、干簧管以及指示灯，箱体的内壁上设置有滑槽，弹簧置于滑槽内，滤芯的顶端设置有置于滑槽内的滑脚，弹簧支撑滑脚，指示灯集装于箱体上，永磁铁设置于滤芯的底面，干簧管设置于箱体的底面，且干簧管与永磁铁相对设置，指示灯通过干簧管连接电源。随着长时间的使用，滤芯内沉积的悬浮物越来越多，滤芯的总体重量增加，滤芯通过滑脚对弹簧施加压力，滤芯下移。当滤芯内的悬浮物过多时，滤芯的底面靠近箱体的底面，永磁铁靠近干簧管，干簧管接通，使得指示灯通电，指示灯亮，提示该及时将滤芯内的悬浮物清除，保证集水箱的正常使用。打开箱体顶面的箱盖，即可将滤芯内的悬浮物清除。Still further, the water collection tank also includes a spring, a permanent magnet, a reed switch and an indicator light. A chute is provided on the inner wall of the box, the spring is placed in the chute, and the top of the filter element is provided with a chute placed in the chute. Sliding foot, spring support sliding foot, the indicator light is assembled on the box body, the permanent magnet is set on the bottom surface of the filter element, the dry reed switch is set on the bottom surface of the box body, and the dry reed switch is set opposite to the permanent magnet, and the indicator light passes through the dry reed Connect the tube to the power supply. With long-term use, more and more suspended solids are deposited in the filter element, and the overall weight of the filter element increases. The filter element exerts pressure on the spring through the sliding feet, and the filter element moves down. When there is too much suspended matter in the filter element, the bottom surface of the filter element is close to the bottom surface of the box, the permanent magnet is close to the reed switch, and the reed switch is connected, so that the indicator light is energized, and the indicator light is on, prompting that the suspended matter in the filter element should be removed in time. Ensure the normal use of the water collection tank. Open the box cover on the top surface of the box to remove the suspended solids in the filter element.
本发明的有益效果：通过集水箱的使用，实现了氧化铁等悬浮物的清除；通过软化机的使用，实现了对可溶于水的铁离子的清除。从而实现了冷凝水的回收利用，同时也有利于保护环境和节水。The beneficial effects of the present invention: the use of the water collecting tank realizes the removal of suspended matter such as iron oxide; the use of the softener realizes the removal of water-soluble iron ions. Thereby, the recycling of condensed water is realized, and it is also conducive to protecting the environment and saving water.
附图说明Description of drawings
下面结合附图对本发明的具体实施方式作进一步详细的说明。The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
图1是本发明冷凝水除铁过滤器的结构示意图。Fig. 1 is a structural schematic diagram of the condensed water iron removal filter of the present invention.
图2是图1中集水箱的放大图。Fig. 2 is an enlarged view of the water collecting tank in Fig. 1 .
具体实施方式Detailed ways
下面结合附图对本发明作进一步说明。The present invention will be further described below in conjunction with accompanying drawing.
实施例：如图1，一种冷凝水除铁过滤器包括进水管1、出水管10、第一球阀2、集水箱3、软化机4、取样阀5、第一压力表6、第二压力表7、第一排水地漏8以及第二排水地漏9。Embodiment: As shown in Figure 1, a condensed water iron removal filter includes a water inlet pipe 1, an outlet pipe 10, a first ball valve 2, a water collection tank 3, a softener 4, a sampling valve 5, a first pressure gauge 6, and a second pressure gauge Table 7, the first drainage floor drain 8 and the second drainage floor drain 9.
软化机4包括自动控制多路阀40、过滤箱41以及盐水箱42，自动控制多路阀40的第二端连接过滤箱41，过滤箱41内装有离子交换树脂，自动控制多路阀40的第三端连接盐水箱42。The softening machine 4 includes an automatic control multi-way valve 40, a filter box 41 and a brine tank 42, the second end of the automatic control multi-way valve 40 is connected to the filter box 41, and ion exchange resin is housed in the filter box 41, and the automatic control multi-way valve 40 The third end is connected to the brine tank 42 .
请参考图1以及图2所示，所述集水箱3包括箱体30、滤芯31、软管32、进水口33、出水口34、弹簧、永磁铁35、干簧管36以及指示灯37，进水口33设置于箱体30的顶面，出水口34设置于箱体30的侧面并靠近箱体30的顶面，滤芯31以及软管32均置于箱体30内且滤芯31通过软管32与进水口33连通。箱体30的内壁上设置有滑槽，弹簧置于滑槽内，滤芯31的顶端设置有置于滑槽内的滑脚310，弹簧支撑滑脚310，指示灯37集装于箱体30上，永磁铁35设置于滤芯31的底面，干簧管36设置于箱体30的底面，且干簧管36与永磁铁35相对设置，指示灯37通过干簧管36连接电源。Please refer to Figure 1 and Figure 2, the water collection tank 3 includes a box body 30, a filter element 31, a hose 32, a water inlet 33, a water outlet 34, a spring, a permanent magnet 35, a reed switch 36 and an indicator light 37, The water inlet 33 is arranged on the top surface of the box body 30, the water outlet 34 is arranged on the side of the box body 30 and close to the top surface of the box body 30, the filter element 31 and the hose 32 are placed in the box body 30 and the filter element 31 passes through the hose 32 communicates with water inlet 33. The inner wall of the box body 30 is provided with a chute, the spring is placed in the chute, the top of the filter element 31 is provided with a sliding foot 310 placed in the chute, the spring supports the sliding foot 310, and the indicator light 37 is assembled on the box body 30 , The permanent magnet 35 is arranged on the bottom surface of the filter core 31, the reed switch 36 is arranged on the bottom surface of the box body 30, and the reed switch 36 is arranged opposite to the permanent magnet 35, and the indicator light 37 is connected to the power supply through the reed switch 36.
总体上，请继续参考图1所示，第一球阀2的输入端连接进水管1，第一球阀2的输出端连接集水箱3。软化机4的自动控制多路阀40的第一端连接集水箱3，软化机4的自动控制多路阀40的第四端连接出水管10。取样阀5设置于出水管10处。第一压力表6设置于集水箱3与自动控制多路阀40的连接处，第二压力表7设置于自动控制多路阀40与出水管10的连接处。第一排水地漏8与自动控制多路阀40的第五端连接，第二排水地漏9连接于盐水箱42的上端。Generally speaking, as shown in FIG. 1 , the input end of the first ball valve 2 is connected to the water inlet pipe 1 , and the output end of the first ball valve 2 is connected to the water collection tank 3 . The first end of the automatic control multi-way valve 40 of the softening machine 4 is connected to the water collection tank 3 , and the fourth end of the automatic control multi-way valve 40 of the softening machine 4 is connected to the water outlet pipe 10 . The sampling valve 5 is arranged at the outlet pipe 10 . The first pressure gauge 6 is set at the connection between the water collection tank 3 and the automatic control multi-way valve 40 , and the second pressure gauge 7 is set at the connection between the automatic control multi-way valve 40 and the water outlet pipe 10 . The first drainage floor drain 8 is connected to the fifth end of the automatic control multi-way valve 40 , and the second drainage floor drain 9 is connected to the upper end of the brine tank 42 .
本发明的工作原理：在使用时，第一球阀2为总阀门，通过开关第一球阀2可以控制整个冷凝水除铁过滤器的开关。集水箱3用于将冷凝水沉积一段时间，使得冷凝水中的氧化铁等悬浮物可以沉积下来，集水箱3为软化机4提供无悬浮物的冷凝水，达到滤除悬浮物的效果。软化机4的自动控制多路阀40接收来自集水箱3的冷凝水，首先在自动控制多路阀40的作用下冷凝水进入过滤箱41，过滤箱41中的离子交换树脂与冷凝水时即可将其本身的某一种具有活性的离子和水中的铁离子相互交换，即发生置换反应，去除水中可溶解的铁离子；随后，自动控制多路阀40将软化后的冷凝水通过出水管10输出到外界；最后，在树脂失效后，交换树脂本身不溶于水，并且交换反应时可逆的，则自动控制多路阀40将盐水箱42内的NaCl输入过滤箱中，离子交换树脂得到再生。Working principle of the present invention: when in use, the first ball valve 2 is the main valve, and the switch of the entire condensed water iron removal filter can be controlled by switching the first ball valve 2 . The water collecting tank 3 is used to deposit the condensed water for a period of time, so that suspended matter such as iron oxide in the condensed water can be deposited, and the water collecting tank 3 provides the condensed water without suspended matter for the softener 4 to achieve the effect of filtering the suspended matter. The automatic control multi-way valve 40 of the softening machine 4 receives the condensed water from the water collection tank 3. First, the condensed water enters the filter box 41 under the action of the automatic control multi-way valve 40, and the ion exchange resin in the filter box 41 and the condensed water are instantly It can exchange one of its own active ions with the iron ions in the water, that is, a replacement reaction occurs, and the soluble iron ions in the water are removed; then, the multi-way valve 40 is automatically controlled to pass the softened condensed water through the outlet pipe 10 is output to the outside; finally, after the resin fails, the exchange resin itself is insoluble in water, and the exchange reaction is reversible, then the multi-way valve 40 is automatically controlled to input the NaCl in the brine tank 42 into the filter box, and the ion exchange resin is regenerated .
以上仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构，直接或间接运用在其他相关的技术领域，均同理在本发明的专利保护范围之内。The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structures made using the description of the present invention and the contents of the accompanying drawings are directly or indirectly used in other related technical fields, and are equally applicable to the present invention. within the scope of patent protection.
Claims (6)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108168336A (en) * | 2017-12-20 | 2018-06-15 | 广东也节能科技有限公司 | Condensation water residual heat recovery system |
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Address after: No.29, Baishiyi Baihai Road, Jiulongpo District, Chongqing Patentee after: CHONGQING MOLECULAR WATER SYSTEM Co.,Ltd. Address before: Jiulongpo District of Shiqiaopu high tech Zone of Chongqing city park four street 400039 No. 52 K block 3 layer Patentee before: CHONGQING MOLECULAR WATER SYSTEM Co.,Ltd. |
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Denomination of invention: Condensed water iron removal filter Granted publication date: 20170125 Pledgee: Industrial and Commercial Bank of China Limited Chongqing High tech Branch Pledgor: CHONGQING MOLECULAR WATER SYSTEM Co.,Ltd. Registration number: Y2025980008991 |