CN206408016U - The processing unit of oily waste water after a kind of bearing cleaning - Google Patents
The processing unit of oily waste water after a kind of bearing cleaning Download PDFInfo
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Abstract
本实用新型公开一种轴承清洗后含油废水的处理装置，涉及污水处理的技术领域，其包括隔油池、废水收集池、破乳反应池、储酸罐、储碱罐、PAC加药桶、PAM加药桶、涡凹气浮装置、溶气气浮装置以及排废池、污泥池；本实用新型占地小，能耗低，安装运输方便，操作方便，管理简单；溶气效率高，处理效果稳定。
This utility model discloses a treatment device for oily wastewater after bearing cleaning, relating to the technical field of wastewater treatment. It includes an oil separator, a wastewater collection tank, a demulsification reaction tank, an acid storage tank, an alkali storage tank, a PAC dosing tank, a PAM dosing tank, a vortex flotation device, a dissolved air flotation device, a waste discharge tank, and a sludge tank. This utility model has a small footprint, low energy consumption, convenient installation and transportation, easy operation, and simple management; it also has high dissolved air flotation efficiency and stable treatment effect.
Description
技术领域technical field
本实用新型涉及污水处理的技术领域，尤其涉及一种轴承清洗后含油废水的处理装置。The utility model relates to the technical field of sewage treatment, in particular to a treatment device for oily waste water after bearing cleaning.
背景技术Background technique
自从我国铁路货车滚动轴承开始检修，轴承清洗的含油废水一直是各站段及货车修理工厂急需解决的问题。轴承清洗的含油废水呈黑棕色，含有大量机油，润滑油，皂化物及悬浮物等，由于其中金属清洗剂中活性剂的作用，废水中COD严重超标，PH呈强碱性，溶液呈乳化状态，污水的处理难度较大。Since my country's railway freight car rolling bearings began to be overhauled, the oily wastewater from bearing cleaning has always been an urgent problem to be solved in various stations and freight car repair factories. The oily wastewater from bearing cleaning is black-brown, containing a large amount of engine oil, lubricating oil, saponified matter and suspended solids, etc. Due to the action of the active agent in the metal cleaning agent, the COD in the wastewater seriously exceeds the standard, the PH is strongly alkaline, and the solution is in an emulsified state , sewage treatment is more difficult.
目前实施的《污水综合排放标准》(GB8978-1996)的一级排放标准对污水排放的限值有严格的要求。传统处理方法存在以下缺点：①无法达到一级排放标准，处理效果不够稳定；②占地面积较大，能耗高；③对操作人员要求高，人工劳动强度大；④产生的噪音大，影响人们工作。因此提出一种适合于处理轴承清洗的含油废水的新工艺及装置，使轴承清洗的含油废水达到排放的标准。The first-level discharge standard of the "Comprehensive Wastewater Discharge Standard" (GB8978-1996) currently implemented has strict requirements on the limit value of sewage discharge. The traditional treatment method has the following disadvantages: ① It cannot meet the first-level emission standard, and the treatment effect is not stable enough; ② It occupies a large area and consumes a lot of energy; ③ It has high requirements for operators and labor intensity; people work. Therefore, a new process and device suitable for treating oily wastewater from bearing cleaning is proposed, so that the oily wastewater from bearing cleaning can meet the discharge standard.
实用新型内容Utility model content
本实用新型的目的在于，提供一种轴承清洗后含油废水的处理装置，其占地小，能耗低，安装运输方便，操作方便，管理简单；溶气效率高，处理效果稳定。The purpose of this utility model is to provide a treatment device for oily wastewater after bearing cleaning, which occupies a small area, low energy consumption, convenient installation and transportation, convenient operation, simple management, high efficiency of dissolved air, and stable treatment effect.
其技术方案如下：Its technical scheme is as follows:
一种轴承清洗后含油废水的处理装置，包括隔油池、废水收集池、破乳反应池、储酸罐、储碱罐、PAC加药桶、PAM加药桶、涡凹气浮装置、溶气气浮装置以及排废池、污泥池；A treatment device for oily wastewater after bearing cleaning, including a grease trap, a wastewater collection tank, a demulsification reaction tank, an acid storage tank, an alkali storage tank, a PAC dosing barrel, a PAM dosing barrel, a vortex-concave air flotation device, a solvent Air flotation device and waste discharge tank, sludge tank;
隔油池通过提升泵连接原厂污水，隔油池、废水收集池和破乳反应池依次连通；破乳反应池中设搅拌器，并通过投加泵与储酸罐连接，通过提升泵与涡凹气浮装置连接；涡凹气浮装置再与溶气气浮装置连接，溶气气浮装置最后再连接出水管；The grease trap is connected to the original sewage through the lifting pump, and the grease trap, the wastewater collection tank and the demulsification reaction tank are connected in sequence; the agitator is set in the demulsification reaction tank, and it is connected with the acid storage tank through the dosing pump, and the demulsification tank is connected with the acid storage tank through the lift pump. The vortex air flotation device is connected; the vortex air flotation device is connected to the dissolved air flotation device, and the dissolved air flotation device is finally connected to the outlet pipe;
涡凹气浮装置和溶气气浮装置均通过投加泵与PAC加药桶、PAM加药桶连接，涡凹气浮装置还通过投加泵与储碱罐连接；Both the vortex air flotation device and the dissolved air flotation device are connected to the PAC dosing barrel and the PAM dosing barrel through the dosing pump, and the vortex air flotation device is also connected to the alkali storage tank through the dosing pump;
涡凹气浮装置和溶气气浮装置均设有排泥管与污泥池连接，均设有排废管与排废池连接。Both the vortex concave air flotation device and the dissolved air flotation device are equipped with a sludge discharge pipe connected to the sludge tank, and both are equipped with a waste discharge pipe connected to the waste discharge tank.
所述排废池与破乳反应池连接，废水池的废水再流入破乳反应池进行破乳反应及后续处理，保证无不达标的出水，从而达到环保效果。The waste discharge pool is connected to the demulsification reaction pool, and the waste water from the waste water pool flows into the demulsification reaction pool for demulsification reaction and subsequent treatment to ensure that there is no unqualified effluent, thereby achieving environmental protection.
所述破乳反应池与涡凹气浮装置之间设流量计，可实时监控污水处理量。A flow meter is arranged between the demulsification reaction tank and the vortex concave air flotation device, which can monitor the sewage treatment capacity in real time.
根据油层的密度小，会往上飘，所述隔油池上部设排油口和排废口，排油口高于排废口；排油口通过排油管与污泥池连接，排废口直接与废水收集池连通。原厂含油废水的油层通过排油口及排油管排至污泥池；隔油后的废水通过排废口流入废水收集池。According to the low density of the oil layer, it will float upwards. The upper part of the grease trap is provided with an oil discharge port and a waste discharge port. The oil discharge port is higher than the waste discharge port; the oil discharge port is connected to the sludge tank through the oil discharge pipe, and the waste discharge port Connect directly to the waste water collection tank. The oil layer of the oily waste water from the original plant is discharged to the sludge tank through the oil discharge port and the oil discharge pipe; the waste water after oil separation flows into the waste water collection tank through the waste discharge port.
废水收集池底部设排废口，与破乳反应池连通。根据重力作用，废水直接从排废口流入破乳反应池，且底部的废水残留的油层少，实现二次隔油。A waste outlet is provided at the bottom of the waste water collection tank, which is connected with the demulsification reaction tank. According to the action of gravity, the waste water flows into the demulsification reaction tank directly from the waste discharge port, and the waste water at the bottom has less oil layer, which realizes the secondary oil separation.
本实用新型的优点在于：The utility model has the advantages of:
1)采用二级隔油，酸性搅拌破乳，再加上涡凹气浮和溶气气浮的方式处理含油废水，其效率高，处理效果稳定，可以使污水处理后达到《污水综合排放标准》(GB8978-1996)一级标准，即石油类≤10mg/L，SS≤70mg/L，色度≤50，pH＝6～9；1) Adopt secondary oil separation, acid stirring and demulsification, plus vortex concave air flotation and dissolved air flotation to treat oily wastewater. "(GB8978-1996) Class I standard, that is, petroleum ≤10mg/L, SS≤70mg/L, chroma≤50, pH=6～9;
2)整个装置采用集成化组合方式，可以有效减少空间需求，占地小，能耗低，安装运输方便；2) The whole device adopts an integrated combination method, which can effectively reduce space requirements, occupy a small area, consume less energy, and be convenient for installation and transportation;
3)整个装置中的废水均通过收集再进入破乳反应池进行破乳和后续气浮反应，从而保证整个系统无废水排出，保证环保效果。3) The waste water in the whole device is collected and then enters the demulsification reaction tank for demulsification and subsequent air flotation reaction, so as to ensure that the whole system has no waste water discharge and ensures the environmental protection effect.
4)采用标准化配置，便于维修、管理。4) Standardized configuration is adopted, which is convenient for maintenance and management.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
具体实施方式detailed description
下面结合附图对本实用新型做更进一步说明。Below in conjunction with accompanying drawing, the utility model is described further.
如图1所示，一种轴承清洗后含油废水的处理装置，包括隔油池1、废水收集池2、破乳反应池3、储酸罐4、储碱罐5、PAC加药桶6、PAM加药桶7、涡凹气浮装置8、溶气气浮装置9以及排废池11、污泥池10；As shown in Figure 1, a treatment device for oily wastewater after bearing cleaning includes a grease trap 1, a wastewater collection pool 2, a demulsification reaction tank 3, an acid storage tank 4, an alkali storage tank 5, a PAC dosing barrel 6, PAM dosing barrel 7, vortex concave air flotation device 8, dissolved air flotation device 9, waste discharge tank 11, sludge tank 10;
破乳反应池3、PAC加药桶6、PAM加药桶7、涡凹气浮装置8、溶气气浮装置9以及排废池11、污泥池10均连接有自来水管，便于稀释药剂和废水，同时还可在装置停止使用时清洗装置。Demulsification reaction tank 3, PAC dosing tank 6, PAM dosing tank 7, vortex air flotation device 8, dissolved air flotation device 9, waste discharge tank 11, and sludge tank 10 are all connected with tap water pipes to facilitate the dilution of chemicals and waste water, while also cleaning the unit when it is out of service.
隔油池1通过提升泵连接原厂轴承清洗含油废水，隔油池1、废水收集池2和破乳反应池3依次连通；破乳反应池3中设搅拌器12，并通过投加泵与储酸罐4连接，通过提升泵与涡凹气浮装置8连接；涡凹气浮装置8再与溶气气浮装置9连接，溶气气浮装置9最后再连接出水管；The grease trap 1 is connected to the original factory bearing to clean the oily wastewater through the lifting pump, and the grease trap 1, the wastewater collection pool 2 and the demulsification reaction tank 3 are connected in sequence; The acid storage tank 4 is connected to the vortex air flotation device 8 through the lifting pump; the vortex air flotation device 8 is connected to the dissolved air flotation device 9, and the dissolved air flotation device 9 is finally connected to the outlet pipe;
涡凹气浮装置8和溶气气浮装置9均通过投加泵与PAC加药桶6、PAM加药桶7连接，涡凹气浮装置8还通过投加泵与储碱罐5连接；Both the vortex air flotation device 8 and the dissolved air flotation device 9 are connected to the PAC dosing barrel 6 and the PAM dosing barrel 7 through the dosing pump, and the vortex air flotation device 8 is also connected to the alkali storage tank 5 through the dosing pump;
涡凹气浮装置8和溶气气浮装置9均设有排泥管与污泥池10连接，均设有排废管与排废池11连接。Both the vortex-concave air flotation device 8 and the dissolved air flotation device 9 are provided with a sludge discharge pipe connected to the sludge pond 10 , and both are provided with a waste discharge pipe connected to the waste discharge pond 11 .
所述排废池11与破乳反应池3连接，废水池11的废水再流入破乳反应池3进行破乳反应及后续处理。The waste discharge tank 11 is connected to the demulsification reaction tank 3, and the waste water from the waste water tank 11 flows into the demulsification reaction tank 3 for demulsification reaction and subsequent treatment.
所述破乳反应池3与涡凹气浮装置8之间设流量计13。A flow meter 13 is arranged between the demulsification reaction tank 3 and the vortex air flotation device 8 .
所述隔油池1上部设排油口和排废口，排油口高于排废口；排油口通过排油管与污泥池10连接，排废口直接与废水收集池2连通。The upper part of the grease trap 1 is provided with an oil discharge port and a waste discharge port, the oil discharge port is higher than the waste discharge port;
废水收集池2底部也设排废口，与破乳反应池3连通。A waste outlet is also provided at the bottom of the waste water collection tank 2, which communicates with the demulsification reaction tank 3.
工作原理：working principle:
轴承清洗的含油废水通过提升泵输送至隔油池1，油层漂浮在隔油池1上层，通过排油口14排出油层，油层下面的废水通过排废口直接流入废水收集池2，废水收集池2中的废水油层也自然地漂浮到上层，油层下的废水再从排废口流入破乳反应池3；The oily wastewater from bearing cleaning is transported to the grease trap 1 through the lift pump, the oil layer floats on the upper layer of the grease trap 1, and is discharged through the oil discharge port 14, and the wastewater below the oil layer flows directly into the waste water collection pool 2 through the waste discharge port, and the waste water collection pool The wastewater oil layer in 2 also naturally floats to the upper layer, and the wastewater under the oil layer flows into the demulsification reaction tank 3 from the waste discharge port;
储酸罐4通过投加泵向破乳反应池3中投入酸，再通过搅拌器12不停搅拌，使酸和废水发生破乳反应；待反应后的废水再通过提升泵进入涡凹气浮装置8；储碱罐5、PAC加药桶6和PAM加药桶7均通过投加泵向涡凹气浮装置8中输入相应物质进行预处理，碱可以中合破乳反应后废水中的残留酸，PAC药剂和PAM药剂可以有效去除废水中大量有害物质，待废水在涡凹气浮装置8中反应完全后，流入溶气气浮装置9，溶气气浮装置9通过投加泵从PAC加药桶6和PAM加药桶7中输送PAC药剂和PAM药剂，使废水在溶气气浮装置中能深度反应，保证从溶气气浮装置9中输出的出水能达标。The acid storage tank 4 puts acid into the demulsification reaction tank 3 through the dosing pump, and then stirs continuously through the agitator 12 to make the acid and waste water demulsify; Device 8; the alkali storage tank 5, the PAC dosing barrel 6 and the PAM dosing barrel 7 all input corresponding substances into the vortex concave air flotation device 8 through the dosing pump for pretreatment, and the alkali can neutralize the waste water after the demulsification reaction Residual acid, PAC agent and PAM agent can effectively remove a large amount of harmful substances in the waste water. After the waste water has completely reacted in the vortex air flotation device 8, it flows into the dissolved air flotation device 9, and the dissolved air flotation device 9 passes the dosing pump from The PAC dosing tank 6 and the PAM dosing tank 7 transport PAC medicine and PAM medicine, so that the wastewater can react deeply in the dissolved air flotation device, and ensure that the effluent output from the dissolved air flotation device 9 can meet the standard.
废水在涡凹气浮装置8和溶气气浮装置9中反应在表面产生的石油类和悬浮物均通过装置中的刮渣板刮出排放至污泥池10；底部沉积的沉淀物均可通过排污口放空排至排废池11。The petroleum and suspended solids produced on the surface by the reaction of wastewater in the vortex-concave air flotation device 8 and the dissolved air flotation device 9 are all scraped off by the scraper in the device and discharged to the sludge tank 10; the sediment deposited at the bottom can be It is emptied through the sewage outlet to the waste discharge pool 11.
排废池11中的收集的废水再循环流入破乳反应池3，进行破乳反应及后续反应，保证无不达标的出水，从而达到环保效果。The waste water collected in the waste discharge tank 11 is recirculated into the demulsification reaction tank 3 for demulsification reaction and follow-up reaction to ensure that there is no unqualified effluent, thereby achieving the effect of environmental protection.
以上所述仅为本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进，这些改进也应视为本实用新型的保护范围。The above description is only the preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered It is the protection scope of the utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587440A (en) * | 2017-01-16 | 2017-04-26 | 贵州汇通绿色环保科技有限公司 | Treatment apparatus for oily wastewater after bearing washing |
| CN108558079A (en) * | 2018-06-22 | 2018-09-21 | 河南康百万环保科技有限公司 | A kind of integral type oil-containing emulsifying water processor |
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2017
- 2017-01-16 CN CN201720044338.6U patent/CN206408016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587440A (en) * | 2017-01-16 | 2017-04-26 | 贵州汇通绿色环保科技有限公司 | Treatment apparatus for oily wastewater after bearing washing |
| CN108558079A (en) * | 2018-06-22 | 2018-09-21 | 河南康百万环保科技有限公司 | A kind of integral type oil-containing emulsifying water processor |
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