CN103466840A - Method for adjusting stone machining wastewater quality - Google Patents

Method for adjusting stone machining wastewater quality Download PDF

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Publication number
CN103466840A
CN103466840A CN2013104444492A CN201310444449A CN103466840A CN 103466840 A CN103466840 A CN 103466840A CN 2013104444492 A CN2013104444492 A CN 2013104444492A CN 201310444449 A CN201310444449 A CN 201310444449A CN 103466840 A CN103466840 A CN 103466840A
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water quality
liquid
concentration
wastewater
micro computer
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CN2013104444492A
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刘加兵
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TAICANG ZHONGSHUN CONSTRUCTION
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TAICANG ZHONGSHUN CONSTRUCTION
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Abstract

A method for adjusting stone machining wastewater quality comprises the following steps: providing a stone machining wastewater quality adjusting system which comprises a water quality automatic checkout device and a micro computer water quality adjusting device; arranging a deposition liquid; arranging a water quality adjusting liquid; manually setting the concentration of the water quality adjusting liquid and the deposition liquid; testing the flow, the concentration and the pH value of the wastewater in a ditch by the micro computer water quality automatic checkout device; transmitting the tested flow, concentration and pH value of the wastewater to the micro computer water quality adjusting device; and according to the set concentrations of the water quality adjusting liquid and the deposition liquid, controlling the automatic addition of the deposition liquid and/or the water quality adjusting liquid into the wastewater by the PLC automatic control system in the micro computer water quality adjusting device after the PLC automatic control system accepts the testing values of the flow, the concentration and the pH value of the wastewater. The method is capable of accurately controlling addition of the deposition liquid and the water quality adjusting liquid into the wastewater, and helps to guarantee that the wastewater is neutral, so that the water quality reaches production requirement, and has no corrosion generated on stone surfaces, so that the surface gloss of stones reaches production requirements; and also the method helps to reduce environmental pollution.

Description

A kind of stone wastewater water quality regulation method
Technical field
The present invention relates to the water quality regulation method in wastewater treatment, particularly a kind of stone wastewater water quality regulation method.
Background technology
In recent years, along with developing of Ornamental Stone Industry, its refuse produced also increased as granulated slag, rubble etc. thereupon, and people's living environment has been brought to very large impact, and what have has even caused serious pollution and destruction.For reaching the ideal effect of stone surface, some enterprise is used a large amount of domestic waters in process of production, has caused serious waste to the water resources of the earth; Some enterprise, in order to save domestic water, has started waste water is processed to reclaim to re-use.
The method of wastewater treatment that Ornamental Stone Industry is often used at present, as dig a plurality of ponds and filtered one by one, precipitate, with a plurality of iron flasks, precipitate one by one, and process waste water by the steel tower formula, all less than automatically detecting measure and the method for water quality and regulating water quality, therefore the so-called clear water of output can produce serious destruction to machine and stone surface, and the powder slurry and the transporting of muffin that produce can be caused serious destruction to environment.
Summary of the invention
For above-mentioned problems of the prior art, the object of the present invention is to provide a kind of stone wastewater water quality regulation method, for produce the water quality that automatically detects and regulate waste water at stone material, realize neutral recycling clear water, thus saving water resource.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
A kind of stone wastewater water quality regulation method comprises the following steps:
Step 1: a kind of stone wastewater water quality adjusting system is provided, comprises water quality automatic detection device and micro computer aeration water quality regulating device;
Step 2: configuration precipitated liquid;
Step 3: configuration water quality regulation liquid;
Step 4: be placed in micro computer aeration water quality regulating device above ditch and manually arrange the concentration of water quality regulation liquid and precipitated liquid;
Step 5: part is placed in the mass flowmeter of the micro computer water quality detecting device in the middle of ditch and flow, concentration and the pH value of online PH detector test ditch waste water;
Step 6: the micro computer water quality detecting device transfers to the micro computer aeration water quality regulating device by optical cable by the wastewater flow of test, concentration and pH value;
Step 7: the PLC automatic control system in the micro computer aeration water quality regulating device receives wastewater flow, concentration and pH value test value, and, according to the water quality regulation liquid and the precipitated liquid concentration that arrange, the electrically operated valve of controlling executive system automatically adds precipitated liquid and/or water quality regulation liquid in waste water.
Further, the precipitated liquid in described step 2 is that flocculation agent is polymerize aluminum chloride or the polyaluminium sulfate in inorganic polymer flocculant by flocculation agent and water configuration.
Further, the flocculation agent mass concentration in described precipitated liquid is 1%.
Further, the water quality regulation liquid in described step 3 is acid solution and alkali lye.
Further, the hydrochloric acid that described acid solution is concentration 1mol/L, in the PH that described alkali lye is concentration 4.5~5.5mol/L and powder or sodium hydroxide.
Further, in described step 4 the interpolation concentration of precipitated liquid according to following ratio: the mass ratio of precipitated liquid and waste water is 1:30~1:120.
Further, in described step 7, the electrically operated valve of executive system is three, controls separately respectively the automatic interpolation of precipitated liquid and water quality regulation liquid.
Stone wastewater water quality regulation method provided by the invention is a kind of method that effectively automatically detects the waste water quality in the stone material production process.Utilize the method, can detect online exactly flow, concentration and the pH value of waste water, and accurately control in waste water and add precipitated liquid and water quality regulation liquid, thereby guaranteed that waste water quality is for neutral, make water quality reach production requirement, stone surface is not produced to corrosion, make the stone surface glossiness reach production requirement, guaranteed that the stone material material in waste water can be recovered utilization to a greater degree in subsequent technique, has reduced environmental pollution simultaneously.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of stone wastewater water quality regulation method of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The waste water that contains a large amount of stone flours and acid, alkaline matter that the stone material machine produces in process of production, in through ditch, flowing to the process of sewage collecting basin, carry out water quality regulation, stone wastewater water quality regulation method provided by the invention is to regulate the method that waste water quality adopts.
Below with preferred embodiment, the present invention is further described.
Embodiment mono-:
As shown in Figure 1, the stone wastewater water quality regulation method that the embodiment of the present invention provides comprises the following steps:
At first, provide a kind of stone wastewater water quality adjusting system, comprise water quality automatic detection device and micro computer aeration water quality regulating device.
Secondly, the configuration precipitated liquid, polymerize aluminum chloride and the water configuration of precipitated liquid in inorganic polymer flocculant forms, and the flocculation agent mass concentration in precipitated liquid is 1%.
Then, configuration water quality regulation liquid, water quality regulation liquid is acid solution and alkali lye.Acid solution is formed by hydrochloric acid and water configuration, and acid strength is 1mol/L.Alkali lye forms with powder and water configuration in PH, and concentration of lye is 4.5mol/L.
Then, be placed in micro computer aeration water quality regulating device above ditch and manually arranging the concentration of water quality regulation liquid and precipitated liquid.The interpolation concentration of water quality regulation liquid is set according to following scope according to Production requirement: water quality pH value scope is 6~9.Interpolation concentration according to the character of stone material and wastewater flow, concentration according to following ratio setting precipitated liquid: the mass ratio of precipitated liquid and waste water is 1:30~1:120.
Then, part is placed in the mass flowmeter of the central micro computer water quality detecting device in ditch and flow, concentration and the pH value of online PH detector test ditch waste water.
Subsequently, the micro computer water quality detecting device transfers to the micro computer aeration water quality regulating device by optical cable by the wastewater flow of test, concentration and pH value.
Finally, the PLC automatic control system in the micro computer aeration water quality regulating device receives flow, concentration and the pH value test value of waste water.The PLC automatic control system is according to the water quality regulation liquid and the precipitated liquid concentration that arrange, and the electrically operated valve of controlling executive system automatically adds appropriate precipitated liquid and water quality regulation liquid in waste water.The electrically operated valve of executive system is three, controls separately respectively the automatic interpolation of precipitated liquid and water quality regulation liquid.
When between the discharge scope that wastewater flow and concentration are being set, control the unlatching of the electrically operated valve of precipitated liquid in PLC automatic controlling system executive system, make precipitated liquid according to precipitated liquid and the corresponding amount of wastewater quality ratio to interpolation automatically in waste water.Under the discharge scope that wastewater flow and concentration are being set in limited time, precipitated liquid is added in waste water automatically according to the amount of precipitated liquid and wastewater quality ratio 1:120, when wastewater flow and concentration during in the discharge range limit of setting, precipitated liquid according to the amount of precipitated liquid and wastewater quality ratio 1:30 to interpolation automatically in waste water.
When the pH value of waste water is less than 6, it is the waste water slant acidity, the unlatching of the electrically operated valve of control alkali lye the electrically operated valve of closing control acid solution in PLC automatic controlling system executive system, automatically add appropriate alkali lye in waste water, until detect the pH value of waste water fall into 6~9 between the time, stop the automatic interpolation of alkali lye; When the pH value of waste water is greater than 9, it is the waste water meta-alkalescence, the unlatching of the electrically operated valve of control acid solution the electrically operated valve of closing control alkali lye in PLC automatic controlling system executive system, automatically add appropriate acid solution in waste water, until detect the pH value of waste water fall into 6~9 between the time, stop the automatic interpolation of acid solution.
Stone wastewater water quality regulation method in the present embodiment detects flow, concentration and the pH value of waste water exactly online, and accurately control in waste water and add precipitated liquid and water quality regulation liquid, waste water quality after adjusting approaches neutral, substantially reach production requirement, stone surface is produced to slight corrosion, make the stone surface glossiness reach production requirement, guaranteed that the stone material material in waste water can be recovered utilization to a greater degree in subsequent technique, has reduced environmental pollution simultaneously.
Embodiment bis-:
As shown in Figure 1, the stone wastewater water quality regulation method that the embodiment of the present invention provides comprises the following steps:
At first, provide a kind of stone wastewater water quality adjusting system, comprise water quality automatic detection device and micro computer aeration water quality regulating device.
Secondly, the configuration precipitated liquid, polyaluminium sulfate and the water configuration of precipitated liquid in inorganic polymer flocculant forms, and the flocculation agent mass concentration in precipitated liquid is 0.8%.
Then, configuration water quality regulation liquid, water quality regulation liquid is acid solution and alkali lye.Acid solution is formed by hydrochloric acid and water configuration, and acid strength is 1mol/L.Alkali lye is formed by sodium hydroxide and water configuration, and concentration of lye is 5.5mol/L.
Then, be placed in micro computer aeration water quality regulating device above ditch and manually arranging the concentration of water quality regulation liquid and precipitated liquid.The interpolation concentration of water quality regulation liquid is set according to following scope according to Production requirement: water quality pH value scope is 6.5~7.5.Interpolation concentration according to the character of stone material and wastewater flow, concentration according to following ratio setting precipitated liquid: the mass ratio of precipitated liquid and waste water is 1:30~1:120.
Then, part is placed in the mass flowmeter of the central micro computer water quality detecting device in ditch and flow, concentration and the pH value of online PH detector test ditch waste water.
Subsequently, the micro computer water quality detecting device transfers to the micro computer aeration water quality regulating device by optical cable by the wastewater flow of test, concentration and pH value.
Finally, the PLC automatic control system in the micro computer aeration water quality regulating device receives flow, concentration and the pH value test value of waste water.The PLC automatic control system is according to the water quality regulation liquid and the precipitated liquid concentration that arrange, and the electrically operated valve of controlling executive system automatically adds appropriate precipitated liquid and water quality regulation liquid in waste water.The electrically operated valve of executive system is three, controls separately respectively the automatic interpolation of precipitated liquid and water quality regulation liquid.
When between the discharge scope that wastewater flow and concentration are being set, control the unlatching of the electrically operated valve of precipitated liquid in PLC automatic controlling system executive system, make precipitated liquid according to precipitated liquid and the corresponding amount of wastewater quality ratio to interpolation automatically in waste water.Under the discharge scope that wastewater flow and concentration are being set in limited time, precipitated liquid is added in waste water automatically according to the amount of precipitated liquid and wastewater quality ratio 1:120, when wastewater flow and concentration during in the discharge range limit of setting, precipitated liquid according to the amount of precipitated liquid and wastewater quality ratio 1:30 to interpolation automatically in waste water.
When the pH value of waste water is less than 6.5, it is the waste water slant acidity, the unlatching of the electrically operated valve of control alkali lye the electrically operated valve of closing control acid solution in PLC automatic controlling system executive system, automatically add appropriate alkali lye in waste water, until detect the pH value of waste water fall into 6.5~7.5 between the time, stop the automatic interpolation of alkali lye; When the pH value of waste water is greater than 7.5, it is the waste water meta-alkalescence, the unlatching of the electrically operated valve of control acid solution the electrically operated valve of closing control alkali lye in PLC automatic controlling system executive system, automatically add appropriate acid solution in waste water, until detect the pH value of waste water fall into 6.5~7.5 between the time, stop the automatic interpolation of acid solution.
Stone wastewater water quality regulation method in the present embodiment detects flow, concentration and the pH value of waste water exactly online, and accurately control in waste water and add precipitated liquid and water quality regulation liquid, waste water quality after adjusting is neutral, reach production requirement, stone surface is not produced to corrosion, make the stone surface glossiness reach production requirement, guaranteed that the stone material material in waste water can be recovered utilization to a greater degree in subsequent technique, has reduced environmental pollution simultaneously.
The above embodiment has only expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (7)

1. a stone wastewater water quality regulation method, is characterized in that, comprises the following steps:
Step 1: a kind of stone wastewater water quality adjusting system is provided, comprises water quality automatic detection device and micro computer aeration water quality regulating device;
Step 2: configuration precipitated liquid;
Step 3: configuration water quality regulation liquid;
Step 4: be placed in micro computer aeration water quality regulating device above ditch and manually arrange the concentration of water quality regulation liquid and precipitated liquid;
Step 5: part is placed in the mass flowmeter of the micro computer water quality detecting device in the middle of ditch and flow, concentration and the pH value of online PH detector test ditch waste water;
Step 6: the micro computer water quality detecting device transfers to the micro computer aeration water quality regulating device by optical cable by the wastewater flow of test, concentration and pH value;
Step 7: the PLC automatic control system in the micro computer aeration water quality regulating device receives wastewater flow, concentration and pH value test value, and, according to the water quality regulation liquid and the precipitated liquid concentration that arrange, the electrically operated valve of controlling executive system automatically adds precipitated liquid and/or water quality regulation liquid in waste water.
2. stone wastewater water quality regulation method according to claim 1, is characterized in that, the precipitated liquid in described step 2 is that flocculation agent is polymerize aluminum chloride or the polyaluminium sulfate in inorganic polymer flocculant by flocculation agent and water configuration.
3. stone wastewater water quality regulation method according to claim 2, is characterized in that, the flocculation agent mass concentration in described precipitated liquid is 1%.
4. stone wastewater water quality regulation method according to claim 3, is characterized in that, the water quality regulation liquid in described step 3 is acid solution and alkali lye.
5. stone wastewater water quality regulation method according to claim 4, is characterized in that, the hydrochloric acid that described acid solution is concentration 1mol/L, in the PH that described alkali lye is concentration 4.5~5.5mol/L and powder or sodium hydroxide.
6. stone wastewater water quality regulation method according to claim 5, is characterized in that, in described step 4, the interpolation concentration of precipitated liquid is according to following ratio: the mass ratio of precipitated liquid and waste water is 1:30~1:120.
7. stone wastewater water quality regulation method according to claim 6, is characterized in that, in described step 7, the electrically operated valve of executive system is three, controls separately respectively the automatic interpolation of precipitated liquid and water quality regulation liquid.
CN2013104444492A 2013-09-23 2013-09-23 Method for adjusting stone machining wastewater quality Pending CN103466840A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112694A (en) * 1995-03-22 1995-11-29 王大志 Optimization control of coagulant charging quantity for water purification technology
CN201002008Y (en) * 2006-10-11 2008-01-09 上海立源水处理科技发展有限公司 Multi-unit automatic medicine-adding controlling equipment
RU2332355C2 (en) * 2006-03-07 2008-08-27 Марат Мусагитович Муратов Water purification plant
WO2010132859A1 (en) * 2009-05-14 2010-11-18 Omni Water Solutions Llc Self-contained portable multi-mode water treatment system and methods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112694A (en) * 1995-03-22 1995-11-29 王大志 Optimization control of coagulant charging quantity for water purification technology
RU2332355C2 (en) * 2006-03-07 2008-08-27 Марат Мусагитович Муратов Water purification plant
CN201002008Y (en) * 2006-10-11 2008-01-09 上海立源水处理科技发展有限公司 Multi-unit automatic medicine-adding controlling equipment
WO2010132859A1 (en) * 2009-05-14 2010-11-18 Omni Water Solutions Llc Self-contained portable multi-mode water treatment system and methods

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Application publication date: 20131225