CN202529943U - A printing and dyeing wastewater recycling treatment system - Google Patents
A printing and dyeing wastewater recycling treatment system Download PDFInfo
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- 238000011282 treatment Methods 0.000 title claims abstract description 74
- 238000004043 dyeing Methods 0.000 title claims abstract description 38
- 238000007639 printing Methods 0.000 title claims abstract description 38
- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000004064 recycling Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 238000000746 purification Methods 0.000 claims abstract description 30
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 239000003822 epoxy resin Substances 0.000 claims description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 230000002070 germicidal effect Effects 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 12
- 238000012545 processing Methods 0.000 abstract description 4
- 239000004593 Epoxy Substances 0.000 abstract 4
- 229910052799 carbon Inorganic materials 0.000 abstract 4
- 238000000034 method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 6
- 208000028659 discharge Diseases 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- -1 yarn Substances 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明属于环保废水回收技术领域，涉及印染废水的回收处理，具体涉及一种印染废水回收利用处理系统。 The invention belongs to the technical field of environmental protection wastewater recovery, relates to the recycling and treatment of printing and dyeing wastewater, and in particular to a recycling and processing system for printing and dyeing wastewater. the
背景技术 Background technique
在现有的印染废水回收处理技术中，采用自然生化进行印染废水回收处理是其中的一种方式，由于自然生化回收处理废水的速度很缓慢，需要很长时间，而且回收处理后水清洁度不高，导致废水回收的利用率非常低，所以使用自然生化的方式回收处理废水不多见；通常大多数是采用许多不同的化学物料去处理回收的印染废水，印染废水经过处理后，再用来循环使用。但是这种方式存在着：化学物料品种多、价格高，处理、取样测试检验等等工艺流程繁琐；化学物料还具有一定的腐蚀性，也会对处理设备造成一定程度的损坏；印染废水经处理后用来循环使用的水也存在着化学指标超标，二次排放会造成环境污染，而继续使用又满足不了水质需求的现象。 In the existing printing and dyeing wastewater recovery and treatment technology, the use of natural biochemistry to recycle printing and dyeing wastewater is one of the methods. Due to the slow speed of natural biochemical recovery and treatment of wastewater, it takes a long time, and the water cleanliness after recycling is not good. High, resulting in a very low utilization rate of wastewater recycling, so it is rare to use natural biochemical methods to recycle and treat wastewater; usually, most of them use many different chemical materials to treat the recycled printing and dyeing wastewater. After the printing and dyeing wastewater is treated, it can be used again. recycle. However, this method exists: there are many types of chemical materials, high prices, cumbersome processes such as processing, sampling, testing and inspection; chemical materials are also corrosive to a certain extent, and will also cause damage to the processing equipment to a certain extent; printing and dyeing wastewater is treated The water used for recycling also has chemical indicators exceeding the standard, and the secondary discharge will cause environmental pollution, and the continued use cannot meet the water quality requirements. the
发明内容 Contents of the invention
本发明的目的是提供一种印染废水回收利用处理系统，采用依次经管道连接的多级污水处理罐、沉淀池，生化处理罐、净化过滤罐、活性炭过滤容器和环氧树脂过滤器，对印染废水进行初步过滤、生化处理、沉淀、酸性处理和细化过滤处理，并通过连接在管道上的水质感应器、紫外线杀 菌灯和高压纳米净化器，对处理过程的水质进行净化和杀菌，实现了印染废水的回收处理和净化，并提供给印染工序循环使用，解决了现有印染企业印染废水回收技术不完善，所造成的二次排放环境污染，以及继续使用循环回收水满足不了水质需求的问题。 The purpose of the present invention is to provide a kind of printing and dyeing wastewater recycling treatment system, which adopts multi-stage sewage treatment tanks, sedimentation tanks, biochemical treatment tanks, purification filter tanks, activated carbon filter containers and epoxy resin filters successively connected by pipelines. Wastewater undergoes preliminary filtration, biochemical treatment, sedimentation, acid treatment and fine filtration treatment, and the water quality in the treatment process is purified and sterilized through the water quality sensor, ultraviolet germicidal lamp and high-pressure nano-purifier connected to the pipeline to achieve Recycling, treatment and purification of printing and dyeing wastewater, and providing them for recycling in the printing and dyeing process, solving the problem of secondary discharge of environmental pollution caused by the imperfect recycling technology of printing and dyeing wastewater in existing printing and dyeing enterprises, and the continued use of recycled water that cannot meet the water quality requirements question. the
本发明所采用的技术方案是，一种印染废水回收利用处理系统，包括污水池、污水池连接的高压水泵以及系统自动控制装置，所述污水池经高压水泵和管道连接多级污水处理罐，污水处理罐的出水口依次连接两个沉淀池，沉淀池的出水端与生化处理罐连接，所述的生化处理罐依次连接两个净化过滤罐和两个活性炭过滤容器，在连接净化过滤罐和活性炭过滤容器之间的管道上接有水质感应器，活性炭过滤容器的末端与环氧树脂过滤器连接，环氧树脂过滤器的出水口与清水罐连接，在环氧树脂过滤器与清水罐连接的管道中依次设有多个紫外线杀菌灯和高压纳米净化器，清水罐的出水口与循环净水池连接。 The technical solution adopted in the present invention is a printing and dyeing wastewater recycling treatment system, including a sewage pool, a high-pressure water pump connected to the sewage pool, and an automatic control device for the system. The sewage pool is connected to a multi-stage sewage treatment tank through a high-pressure water pump and a pipeline. The water outlet of the sewage treatment tank is connected to two sedimentation tanks in turn, and the water outlet of the sedimentation tank is connected to the biochemical treatment tank. The biochemical treatment tank is connected to two purification filter tanks and two activated carbon filter containers in turn. After connecting the purification filter tank and The pipeline between the activated carbon filter containers is connected with a water quality sensor, the end of the activated carbon filter container is connected to the epoxy resin filter, the water outlet of the epoxy resin filter is connected to the clean water tank, and the epoxy resin filter is connected to the clean water tank A plurality of ultraviolet germicidal lamps and high-pressure nano-purifiers are arranged in sequence in the pipeline, and the water outlet of the clean water tank is connected with the circulating clean water pool. the
本发明所述的印染废水回收利用处理系统，其特征还在于， The printing and dyeing wastewater recycling treatment system of the present invention is also characterized in that,
所述多级污水处理罐第一级入水口下方设有多层过滤网。 A multi-layer filter net is arranged below the first-stage water inlet of the multi-stage sewage treatment tank. the
所述的净化过滤罐和活性炭过滤容器出入水口处装有可自动回水的逆向控制阀。 A reverse control valve capable of automatic water return is installed at the water inlet and outlet of the purification filter tank and the activated carbon filter container. the
所述的多级污水处理罐采用间歇加压式的厌氧和好氧交替的生化处理方式。 The multi-stage sewage treatment tank adopts intermittent pressurized anaerobic and aerobic alternate biochemical treatment methods. the
所述的生化处理罐内装有直径为10毫米的火山岩沙粒。 The volcanic rock sand grains with a diameter of 10 mm are housed in the biochemical treatment tank. the
所述净化过滤罐罐中装有石英砂，前后净化过滤罐中的石英砂沙粒直径分别为5毫米和1毫米。 Quartz sand is housed in the purification filter tank, and the diameters of the quartz sand grains in the front and back purification filter tanks are respectively 5 mm and 1 mm. the
所述活性炭过滤容器前后两容器中装有的活性炭颗粒直径分别为5毫 米和1毫米。 The diameters of the activated carbon particles housed in the two containers before and after the activated carbon filter container are respectively 5 millimeters and 1 millimeter. the
本发明印染废水回收利用处理系统，采用依次经管道连接的多级污水处理罐、沉淀池，生化处理罐、净化过滤罐、活性炭过滤容器和环氧树脂过滤器，对印染废水进行初步过滤、生化处理、沉淀、酸性处理和细化过滤处理，并通过连接在管道上的水质感应器、紫外线杀菌灯和高压纳米净化器，对处理过程的水质进行净化和杀菌，实现了印染废水的回收利用，并提供给印染工厂继续循环使用，解决了现有印染企业印染废水回收技术不完善，所造成的二次排放环境污染，以及继续使用循环回收水满足不了水质需求的问题。 The printing and dyeing wastewater recycling and utilization treatment system of the present invention adopts multi-stage sewage treatment tanks, sedimentation tanks, biochemical treatment tanks, purification filter tanks, activated carbon filter containers and epoxy resin filters successively connected by pipelines to carry out preliminary filtration, biochemical treatment of printing and dyeing wastewater. Treatment, precipitation, acid treatment and fine filtration treatment, and through the water quality sensor, ultraviolet germicidal lamp and high-pressure nano purifier connected to the pipeline, the water quality in the treatment process is purified and sterilized, and the recycling of printing and dyeing wastewater is realized. It is also provided to printing and dyeing factories for continuous recycling, which solves the problem of secondary discharge environmental pollution caused by the imperfect recycling technology of printing and dyeing wastewater in existing printing and dyeing enterprises, and the problem that the continued use of recycled water cannot meet the water quality requirements. the
附图说明 Description of drawings
图1是本发明印染废水回收利用处理系统结构示意图。 Fig. 1 is a schematic structural diagram of the printing and dyeing wastewater recycling treatment system of the present invention. the
图中，1.污水池，2.高压水泵，3.污水处理罐，4.沉淀池，5.生化处理罐，6.净化过滤罐，7.活性炭过滤容器，8.水质感应器，9.环氧树脂过滤器，10.清水罐，11.紫外线杀菌灯，12.高压纳米净化器，13.循环净水池，14.过滤网，15.排污泵，16.逆向控制阀。 In the figure, 1. sewage tank, 2. high-pressure water pump, 3. sewage treatment tank, 4. sedimentation tank, 5. biochemical treatment tank, 6. purification filter tank, 7. activated carbon filter container, 8. water quality sensor, 9. Epoxy resin filter, 10. Clean water tank, 11. Ultraviolet germicidal lamp, 12. High-pressure nano-purifier, 13. Circulating clean water pool, 14. Filter screen, 15. Sewage pump, 16. Reverse control valve. the
具体实施方式 Detailed ways
下面结合附图和具体实施方式对本发明进行详细说明。 The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. the
一种印染废水回收利用处理系统，如图1所示，包括污水池1、污水池1连接的高压水泵2以及系统自动控制装置，所述污水池1经高压水泵2和管道连接多级污水处理罐3，污水处理罐3的出水口依次连接两个沉淀池4，沉淀池4的出水端与生化处理罐5连接，所述的生化处理罐5依次连接两个净化过滤罐6和两个活性炭过滤容器7，在连接净化过滤罐6和活性炭过滤容器7之间的管道上接有水质感应器8，活性炭过滤容器7的 末端与环氧树脂过滤器9连接，环氧树脂过滤器9的出水口与清水罐10连接，在环氧树脂过滤器9与清水罐10连接的管道中依次设有多个紫外线杀菌灯11和高压纳米净化器12，清水罐10的出水口与循环净水池13连接，所述多级污水处理罐3第一级入水口下方设有多层过滤网14，所述的沉淀池4的底部设有排污泵15，所述的净化过滤罐6和活性炭过滤容器7出入水口处装有可自动回水的逆向控制阀16。 A printing and dyeing wastewater recycling treatment system, as shown in Figure 1, includes a sewage pool 1, a high-pressure water pump 2 connected to the sewage pool 1, and a system automatic control device, and the sewage pool 1 is connected to multi-stage sewage treatment by the high-pressure water pump 2 and pipelines Tank 3, the water outlet of the sewage treatment tank 3 is connected to two sedimentation tanks 4 in turn, the water outlet of the sedimentation tank 4 is connected to the biochemical treatment tank 5, and the biochemical treatment tank 5 is connected to two purification filter tanks 6 and two activated carbons in turn The filter container 7 is connected with a water quality sensor 8 on the pipeline connecting the purification filter tank 6 and the activated carbon filter container 7, and the end of the activated carbon filter container 7 is connected with the epoxy resin filter 9, and the outlet of the epoxy resin filter 9 The water outlet is connected with the clear water tank 10, and a plurality of ultraviolet germicidal lamps 11 and high-pressure nano-purifiers 12 are successively arranged in the pipeline connected between the epoxy resin filter 9 and the clear water tank 10, and the water outlet of the clear water tank 10 is connected with the circulating clean water pool 13 Connected, the multi-stage sewage treatment tank 3 is provided with a multi-layer filter screen 14 below the first-stage water inlet, the bottom of the sedimentation tank 4 is provided with a sewage pump 15, and the purification filter tank 6 and activated carbon filter container 7 The reverse control valve 16 which can automatically return water is equipped with at the water inlet and outlet. the
本发明所述的生化处理罐5内装有直径为10毫米的火山岩沙粒，所述净化过滤罐6罐中装有石英砂，前后净化过滤罐6中的石英砂沙粒直径分别为5毫米和1毫米，所述活性炭过滤容器7前后两容器中装有的活性炭颗粒直径分别为5毫米和1毫米。 The volcanic rock sand grain that diameter is 10 millimeters is housed in the biochemical treatment tank 5 of the present invention, and quartz sand is housed in described purification filter tank 6 jars, and the diameter of the quartz sand grain in the front and back purification filter tank 6 is respectively 5 millimeters and 5 millimeters. 1 millimeter, the diameters of the activated carbon particles housed in the two containers before and after the described activated carbon filter container 7 are respectively 5 millimeters and 1 millimeter. the
本发明印染废水回收利用处理系统使用时，通过系统的自动控制装置启动高压水泵2将污水池1中的污水输送到多级污水处理罐3中，通过第一级污水处理罐3入水口下方设有的多层过滤网14，初步对泵入污水进行过滤，用各层不同密度网格的过滤网14把污水中的沙粒、纱线、杂质等残留物质去除，在每级的污水处理罐3中，通过间歇式加压的方式采用厌氧和好氧交替的生化处理方式，对送入的污水进行生化处理，然后再将处理过的污水送到下一级的污水处理罐3中，经过多级污水处理罐3处理后再将其由最后一级污水处理罐3的出水口送入连接的沉淀池4中进行沉淀，经过沉淀池4沉淀过滤、半净化的水则由沉淀池4出水口输送到连接的生化处理罐5中进行水质的化学需氧量（COD）和生化需氧量（BOD）的控制和平衡，沉淀物通过沉淀池4底部设有的排污泵15排出，生化处理罐5内装有的火山岩沙粒中含有适量的氨酸，水流经生化处理罐5，水质得到了进一步的自然净化，随后再送到生化处理罐5依次连接两个净化过滤罐 6和两个活性炭过滤容器7进行过滤。本发明前后两个净化过滤罐6中分别为5毫米和1毫米不同直径的石英砂沙粒使净化过滤的效果得到明显提高。在连接净化过滤罐6和活性炭过滤容器7之间的管道上接有水质感应器8，通过水质感应器8可对流过的水提供适量的臭氧、剎菌和净化活性炭作用，好延长活性炭长使用的时间。在活性炭过滤容器7前后两容器中装有直径分别为5毫米和1毫米的活性炭颗粒。经过两次大小不同直径的活性炭过滤，可使过滤的水能达到天然水的品质。经活性炭过滤容器7处理过的水再由第二个活性炭过滤容器7的出口端输送到依次连接的环氧树脂过滤器9和清水罐10，经环氧树脂过滤器9过滤后，让水质变化成为软水，令其更加容易的用于印染作业。在环氧树脂过滤器9与清水罐10连接的管道中还依次设有多个紫外线杀菌灯11和一个高压纳米净化器12，通过连接在管道上紫外线杀菌灯11对处理的水质来进行多次杀菌，确保水质没有细菌可以安全使用，再通过高压纳米净化器12净化后输送到清水罐10中，以便不断地提供给循环净水池13继续使用，实现印染废水的净化处理和回收利用。 When the printing and dyeing wastewater recycling treatment system of the present invention is used, the high-pressure water pump 2 is started by the automatic control device of the system to transport the sewage in the sewage pool 1 to the multi-stage sewage treatment tank 3, and the water inlet of the first-level sewage treatment tank 3 is provided below the water inlet. Some multi-layer filter screens 14 initially filter the pumped sewage, and remove sand, yarn, impurities and other residual substances in the sewage with the filter screens 14 of different density grids in each layer. In 3, the biochemical treatment method of anaerobic and aerobic alternation is adopted through intermittent pressurization to carry out biochemical treatment on the incoming sewage, and then the treated sewage is sent to the sewage treatment tank 3 of the next level, After being treated by the multi-stage sewage treatment tank 3, it is sent from the outlet of the last-stage sewage treatment tank 3 to the connected sedimentation tank 4 for sedimentation, and the semi-purified water that passes through the sedimentation tank 4 is filtered by the sedimentation tank 4. The water outlet is sent to the connected biochemical treatment tank 5 to control and balance the chemical oxygen demand (COD) and biochemical oxygen demand (BOD) of the water quality, and the sediment is discharged through the sewage pump 15 provided at the bottom of the sedimentation tank 4. The volcanic rock sand contained in the treatment tank 5 contains an appropriate amount of acid, and the water flows through the biochemical treatment tank 5, and the water quality has been further purified naturally, and then sent to the biochemical treatment tank 5 to connect two purification filter tanks 6 and two activated carbons in turn. The filter container 7 is used for filtering. The quartz sand grains with different diameters of 5 mm and 1 mm in the two purification filter tanks 6 before and after the present invention make the effect of purification and filtration significantly improved. A water quality sensor 8 is connected to the pipeline between the purification filter tank 6 and the activated carbon filter container 7. The water quality sensor 8 can provide an appropriate amount of ozone, brake bacteria and activated carbon to the flowing water, so as to prolong the use of the activated carbon. time. In the two containers before and after the activated carbon filter container 7, activated carbon particles with a diameter of 5 millimeters and 1 millimeter are respectively housed. After two times of activated carbon filtration with different sizes and diameters, the filtered water can reach the quality of natural water. The water treated by the activated carbon filter container 7 is delivered to the epoxy resin filter 9 and the clear water tank 10 connected in sequence by the outlet end of the second activated carbon filter container 7, and after being filtered by the epoxy resin filter 9, the water quality changes Become soft water, making it easier to use in printing and dyeing operations. A plurality of ultraviolet germicidal lamps 11 and a high-pressure nano-purifier 12 are also arranged in turn in the pipeline connected between the epoxy resin filter 9 and the clear water tank 10, and the water quality treated by the ultraviolet germicidal lamp 11 is connected to the pipeline for multiple times. Sterilize to ensure that the water quality can be used safely without bacteria, and then purified by the high-pressure nano-purifier 12 and then transported to the clean water tank 10, so as to continuously provide it to the circulating clean water pool 13 for continued use, and realize the purification treatment and recycling of printing and dyeing wastewater. the
本发明印染废水回收利用处理系统在净化过滤罐6和活性炭过滤容器7出入水口处均装有可自动回水的逆向控制阀16，逆向控制阀16的作用是，当上一净化过滤罐6或活性炭过滤容器7处理的水流经该出入水口处装有的逆向该控制阀16时，逆向该控制阀16上的电子感应器和水流计量器会对流经的水质做出判断，并通过逆向控制阀16给系统发出SMS信息，对不符合水质标准的水，通过系统的自动控制装置和逆向该控制阀16将处理的水反向送回到上一容器中再一次进行过滤处理后，方可允许输送到下一容器继续进一步处理，从而保证了过滤处理后水的质量，并且完全消除了 二次排放造成环境污染的可能，使之可以放心的提供给印染工厂继续循环使用。 The printing and dyeing waste water recycling treatment system of the present invention is equipped with a reverse control valve 16 that can automatically return water at the water inlet and outlet of the purification filter tank 6 and the activated carbon filter container 7. The function of the reverse control valve 16 is to act as a purification filter tank 6 or When the water treated by the activated carbon filter container 7 flows through the reverse control valve 16 installed at the water inlet and outlet, the electronic sensor and water flow meter on the reverse control valve 16 will make a judgment on the quality of the water flowing through, and pass through the reverse control valve. 16 Send SMS information to the system. For water that does not meet the water quality standards, the treated water is sent back to the previous container in reverse through the automatic control device of the system and the reverse control valve 16, and then it is allowed to filter again. It is transported to the next container for further treatment, thus ensuring the quality of filtered water, and completely eliminating the possibility of environmental pollution caused by secondary discharge, so that it can be safely provided to printing and dyeing factories for continued recycling. the
经本发明印染废水回收利用处理系统处理，提供给循环净水池13使用的水质经抽样检测，PH值：6～9，导电值：0.3MV，氧化还原电位（ORP）值：300～400MV，水质指标完全符合使用标准。 After being treated by the printing and dyeing wastewater recycling treatment system of the present invention, the water quality provided to the circulating water purification tank 13 is sampled and tested, and the pH value: 6-9, conductivity value: 0.3MV, oxidation-reduction potential (ORP) value: 300-400MV, The water quality indicators are in full compliance with the usage standards. the
上述实施方式只是本发明的一个实例，不是用来限制本发明的实施与权利范围，凡依据本发明申请专利保护范围所述的内容做出的等效变化和修饰，均应包括在本发明申请专利范围内。 The above-described embodiment is only an example of the present invention, and is not used to limit the implementation and scope of rights of the present invention. All equivalent changes and modifications made according to the content described in the patent protection scope of the present application shall be included in the application of the present invention. within the scope of the patent. the
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515421A (en) * | 2011-11-30 | 2012-06-27 | 张金淮 | Printing and dyeing wastewater recycling system |
| CN104120577A (en) * | 2014-07-28 | 2014-10-29 | 湖州纳尼亚实业股份有限公司 | Dyeing machine waste water cyclic utilization device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102515421A (en) * | 2011-11-30 | 2012-06-27 | 张金淮 | Printing and dyeing wastewater recycling system |
| CN102515421B (en) * | 2011-11-30 | 2013-09-11 | 张金淮 | Printing and dyeing wastewater recycling system |
| CN104120577A (en) * | 2014-07-28 | 2014-10-29 | 湖州纳尼亚实业股份有限公司 | Dyeing machine waste water cyclic utilization device and method |
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