CN111762857A - Environment-friendly treatment method of water purifying agent waste - Google Patents
Environment-friendly treatment method of water purifying agent waste Download PDFInfo
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- CN111762857A CN111762857A CN202010615972.7A CN202010615972A CN111762857A CN 111762857 A CN111762857 A CN 111762857A CN 202010615972 A CN202010615972 A CN 202010615972A CN 111762857 A CN111762857 A CN 111762857A
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- Prior art keywords
- purifying agent
- waste
- sand
- water purifying
- water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Abstract
The invention discloses an environment-friendly treatment method of water purifying agent waste. Collecting the water purifying agent waste to a field, conveying the waste to a bucket wheel type sand washer for washing, conveying the waste to a sand-water separator for separation after washing, and separating sand and wastewater; the separated sand is sent to a stock ground and stored as building sand; pouring the separated wastewater into a separation sieve for separation to separate out chemical substances and wastewater; pouring the obtained chemical substances into a beehive type vibrating screen for treatment to obtain residual water purifying agent, drying, packaging and recycling; and discharging the separated wastewater into a sewage treatment system for treatment, allowing the wastewater to enter a sedimentation tank for sedimentation after treatment, obtaining treated clear water after sedimentation, and pouring the clear water into a clear water tank for recycling. By adopting the technical scheme of the invention, the waste water produced by the water purifying agent can be treated in an environment-friendly way, and the pollution problem caused by waste material discharge is effectively solved. The invention has remarkable economic benefit and social benefit.
Description
The technical field is as follows:
the invention relates to the field of water purifying agent production, in particular to an environment-friendly treatment method of water purifying agent waste.
Secondly, background art:
polyaluminium chloride is a water purifying agent, an inorganic high-molecular coagulant, and is also called polyaluminium for short. An inorganic polymer water treatment agent having a large molecular weight and a high electric charge, which is produced by the polymerization of hydroxide ions. The morphology can be divided into solid and liquid. The solid is divided into brown, beige, golden yellow and white according to different colors, the liquid is colorless and transparent, yellowish, light yellow to tawny, and the polyaluminium chloride with different colors has larger difference in application and production technology.
The production process of the water purifying agent is to produce the water purifying agent by adding hydrochloric acid into aluminum ore and calcium stone (commonly called green stone and limestone) to carry out high-temperature reaction, and comprises the following steps: polyaluminium chloride, polyaluminium ferric chloride, polyferric sulfate and other water purifying agents, but simultaneously generate a large amount of waste stone powder and reaction residues, and cause environmental pollution after being discharged.
At present, the water purification medicament commonly used in China is a series of medicaments mainly containing polyaluminium chloride, the chemical name of which is PAC (MSDS), the medicament occupies most of markets in China, is widely applied to the aspects of water supply, chemical engineering and the like by various industries, and forms a large industrial chain, so the production is concentrated, and the discharge of waste materials generated in the production process becomes a main pollution source of environmental pollution and needs to be particularly concentrated. Currently, there is no effective solution to the waste generated.
Thirdly, the invention content:
the technical problem to be solved by the invention is as follows: provides an environment-friendly treatment method for effectively purifying water agent waste. By adopting the technical scheme of the invention, the waste water produced by the water purifying agent can be treated in an environment-friendly way, and the pollution problem caused by waste material discharge is effectively solved. The invention has remarkable economic benefit and social benefit.
In order to solve the problems, the invention adopts the technical scheme that:
the invention provides an environment-friendly treatment method of water purifying agent waste, which comprises the following steps:
a. collecting waste materials generated in the production process of the water purifying agent to a treatment site, conveying the waste materials to a bucket wheel type sand washer through a conveyor, washing the waste materials by using clean water, and separating the waste materials in a sand-water separator to separate sand and wastewater; the separated sand is sent to a stock ground and stored as building sand;
b. b, pouring the wastewater separated by the sand-water separator in the step a into a separation sieve for separation to separate chemical substances and wastewater;
c. b, pouring the chemical substances separated in the step b into a beehive type vibrating screen for treatment, attaching the residual water purifying agent to a screen plate of the vibrating screen, replacing the screen plate, sending the screen plate into a drying room for drying, scraping the water purifying agent when the residual water purifying agent becomes yellow powder and flakes after drying, and packaging for reuse;
d. and c, discharging the wastewater separated in the step b into a sewage treatment system for treatment, allowing the wastewater to enter a sedimentation tank for sedimentation after treatment, obtaining treated clear water after sedimentation, and pouring the clear water into a clear water tank for recycling.
According to the environment-friendly treatment method of the water purifying agent waste, the beehive type vibrating screen in the step c is a multilayer beehive type vibrating screen.
According to the environment-friendly treatment method of the water purifying agent waste, the multi-layer beehive-type vibrating screen is 8-10 layers of beehive-type vibrating screens.
According to the technical scheme, the wheel bucket type sand washer and the sewage treatment system are effectively combined, so that the wastewater discharge is avoided; the water purifying agent can dehydrate and dry the water and the water purifying agent again after the water and the sand are separated, and the residual water purifying agent is recovered; the wastewater is settled into the sedimentation tank for filtration and then flows into the clean water tank for reuse, thereby achieving the purpose of no wastewater discharge. The invention effectively combines all working procedures to form an effective environment-friendly treatment process for the water purifying agent production waste, and performs zero-emission treatment on the waste generated in the water purifying agent production process.
The invention has the following positive beneficial effects:
1. according to the technical scheme, water is taken from a clean water tank, the waste is cleaned through a bucket wheel type sand washer, a water purifying agent in the waste is separated, dried and purified, then recycled, and hydrochloric acid in the waste is diluted and precipitated, filtered through a sewage treatment system to form clean water, and the clean water flows into the clean water tank for recycling. And the stone powder in the waste is washed clean and then becomes fine sand which can be used for buildings for utilization. The whole set of treatment process flow has no waste discharge, thus fundamentally solving the pollution problem of the production waste of the water purifying agent.
2. The technical scheme of the invention can effectively solve the pollution problem caused by the production waste of the water purifying agent, and can recycle the water purifying agent remained in the waste to recycle the water purifying agent again, thereby greatly utilizing resources.
In conclusion, the invention has obvious economic benefit and social benefit.
Fourthly, the specific implementation mode:
the invention is further illustrated by the following examples, which do not limit the scope of the invention.
Example 1:
the invention relates to an environment-friendly treatment method of water purifying agent waste, which comprises the following detailed steps:
a. the waste generated in the production process of the water purifying agent is concentrated to about 5000m2The hardened stock ground is conveyed into a bucket wheel type sand washer through a conveyor, washed by clear water, and then conveyed into a sand-water separator for separation, so that sand and wastewater are separated; the separated sand is sent to a stock ground and stored as building sand;
b. b, pouring the wastewater separated by the sand-water separator in the step a into a separation sieve for separation to separate chemical substances and wastewater;
c. pouring the chemical substances separated in the step b into a nine-layer beehive type vibrating screen for treatment, attaching the residual water purifying agent to a screen sheet of the vibrating screen, replacing the screen sheet, sending the screen sheet into a drying room for drying, scraping the water purifying agent when the residual water purifying agent becomes yellow powder and sheet after drying, and packaging for reuse;
d. and c, discharging the wastewater separated in the step b into a sewage treatment system for treatment, allowing the wastewater to enter a sedimentation tank for sedimentation after treatment, obtaining treated clear water after sedimentation, and pouring the clear water into a clear water tank for recycling.
Example 2:
the invention relates to an environment-friendly treatment method of water purifying agent waste, which comprises the following detailed steps:
a. the waste generated in the production process of the water purifying agent is concentrated to about 5000m2The hardened stock ground is conveyed into a bucket wheel type sand washer through a conveyor, washed by clear water, and then conveyed into a sand-water separator for separation, so that sand and wastewater are separated; the separated sand is sent to a stock ground and stored as building sand;
b. b, pouring the wastewater separated by the sand-water separator in the step a into a chemical substance separation sieve for separation to separate chemical substances and wastewater;
c. pouring the chemical substances separated in the step b into an eight-layer beehive type vibrating screen for treatment, attaching the residual water purifying agent to a screen sheet of the vibrating screen, replacing the screen sheet, sending the screen sheet into a drying room for drying, scraping the water purifying agent when the residual water purifying agent becomes yellow powder and sheet after drying, and packaging for reuse;
d. and c, discharging the wastewater separated in the step b into a sewage treatment system for treatment, allowing the wastewater to enter a sedimentation tank for sedimentation after treatment, obtaining treated clear water after sedimentation, and pouring the clear water into a clear water tank for recycling.
Claims (3)
1. An environment-friendly treatment method of water purifying agent waste is characterized by comprising the following steps:
a. collecting waste materials generated in the production process of the water purifying agent to a treatment site, conveying the waste materials to a bucket wheel type sand washer through a conveyor, washing the waste materials by using clean water, and separating the waste materials in a sand-water separator to separate sand and wastewater; the separated sand is sent to a stock ground and stored as building sand;
b. b, pouring the wastewater separated by the sand-water separator in the step a into a separation sieve for separation to separate chemical substances and wastewater;
c. b, pouring the chemical substances separated in the step b into a beehive type vibrating screen for treatment, attaching the residual water purifying agent to a screen plate of the vibrating screen, replacing the screen plate, sending the screen plate into a drying room for drying, scraping the water purifying agent when the residual water purifying agent becomes yellow powder and flakes after drying, and packaging for reuse;
d. and c, discharging the wastewater separated in the step b into a sewage treatment system for treatment, allowing the wastewater to enter a sedimentation tank for sedimentation after treatment, obtaining treated clear water after sedimentation, and pouring the clear water into a clear water tank for recycling.
2. The environmentally friendly method for treating water purifying agent waste as claimed in claim 1, wherein: and c, the beehive type vibrating screen in the step c is a multilayer beehive type vibrating screen.
3. The environmentally friendly method for treating water purifying agent waste as claimed in claim 2, wherein: the multilayer beehive type vibrating screen is an 8-10 layer beehive type vibrating screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615972.7A CN111762857A (en) | 2020-06-30 | 2020-06-30 | Environment-friendly treatment method of water purifying agent waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615972.7A CN111762857A (en) | 2020-06-30 | 2020-06-30 | Environment-friendly treatment method of water purifying agent waste |
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| Publication Number | Publication Date |
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| CN111762857A true CN111762857A (en) | 2020-10-13 |
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| CN202010615972.7A Pending CN111762857A (en) | 2020-06-30 | 2020-06-30 | Environment-friendly treatment method of water purifying agent waste |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663763A (en) * | 2013-12-13 | 2014-03-26 | 南宁同达盛混凝土有限公司 | Waste and wastewater recovery system and method for recycling by using system |
| CN106698889A (en) * | 2016-12-30 | 2017-05-24 | 佛山市绿建环保科技有限公司 | Building mud dewatering method and device |
| CN206415212U (en) * | 2016-12-26 | 2017-08-18 | 深圳市深港产学研环保工程技术股份有限公司 | Sand material cleaning device with sorting function |
| CN210230264U (en) * | 2019-07-05 | 2020-04-03 | 广东省水利水电第三工程局有限公司 | Fine sand recovery unit of powder |
| CN210253515U (en) * | 2019-06-26 | 2020-04-07 | 赵鹏新 | Water purifying agent waste residue flushing and recovering device |
-
2020
- 2020-06-30 CN CN202010615972.7A patent/CN111762857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663763A (en) * | 2013-12-13 | 2014-03-26 | 南宁同达盛混凝土有限公司 | Waste and wastewater recovery system and method for recycling by using system |
| CN206415212U (en) * | 2016-12-26 | 2017-08-18 | 深圳市深港产学研环保工程技术股份有限公司 | Sand material cleaning device with sorting function |
| CN106698889A (en) * | 2016-12-30 | 2017-05-24 | 佛山市绿建环保科技有限公司 | Building mud dewatering method and device |
| CN210253515U (en) * | 2019-06-26 | 2020-04-07 | 赵鹏新 | Water purifying agent waste residue flushing and recovering device |
| CN210230264U (en) * | 2019-07-05 | 2020-04-03 | 广东省水利水电第三工程局有限公司 | Fine sand recovery unit of powder |
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Application publication date: 20201013 |
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| RJ01 | Rejection of invention patent application after publication |