CN212025078U - System for treating water in water tank of printing plant to reach discharge standard - Google Patents
System for treating water in water tank of printing plant to reach discharge standard Download PDFInfo
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- CN212025078U CN212025078U CN202020449740.4U CN202020449740U CN212025078U CN 212025078 U CN212025078 U CN 212025078U CN 202020449740 U CN202020449740 U CN 202020449740U CN 212025078 U CN212025078 U CN 212025078U
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Abstract
The utility model relates to a system for be used for handling printing factory water tank water and reach emission standard, the system including flocculation reaction pond, filter equipment, high temperature distillation plant, electro-catalysis device and the RO reverse osmosis unit that connects gradually. The water tank water treated by the system of the utility model can effectively remove impurities, can not introduce new impurities, and can effectively remove all the impurities mixed in a large amount of water such as industrial pollutants, heavy metals, bacteria, viruses and the like through a reverse osmosis membrane, thereby reaching the physical and chemical indexes and the sanitary standard specified by drinking water, yielding water which is clear to pure, realizing automatic/manual control of the whole treatment system and ensuring stable and reliable operation of equipment; the utility model discloses the COD of the water tank water stoste of well processing is 50000mg/L, the utility model discloses a water tank water is after the processing of each device, and clear water COD after RO reverse osmosis equipment handles is less than or equal to 10mg/L, can reach standard emission standard.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, specificly relate to a system for be used for handling printing factory water tank water and reach emission standard.
Background
The printing machine can produce a large amount of heats at the during operation, if untimely the effluvium will cause the harm to the printing machine, at present to the thermal radiating mode of printing machine during operation production for with printing machine and water tank intercommunication, the water tank passes through inlet tube and outlet pipe and printing machine intercommunication. When the printing machine is in operation, the mixed solution in the water tank enters the printing machine through the inlet tube, on one hand, the heat exchange is carried out through the contact of the mixed solution and the printing machine to cool the printing machine, on the other hand, the above-mentioned mixing is the necessary raw materials for realizing the printing function of the printing machine, namely, the mixed solution participates in the operation of the printing machine, and the mixed solution after flowing through the printing machine returns to the water tank through the water tube to be utilized next time.
Along with the continuous going on of printing work, the water in the water tank is continuous by cyclic utilization, and inevitable a large amount of impurity that produces through a period of time, if not clear up, will produce very big influence to the printing effect, and the reduction of current processing method COD is little, and adds chemical reagent and produce secondary pollution easily, perhaps need stop entire system and just can change the water in the water tank, has influenced the efficiency of printing.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem that prior art exists, the utility model provides a system for handling printing factory water tank reaches emission standard, process the utility model discloses a water tank water that system was handled can effectually get rid of impurity, can not introduce new impurity, can keep apart impurity such as pollutant, heavy metal are whole to reach the physicochemical index and the hygienic standard of drinking water regulation, output is to clear to pure water.
The utility model discloses a first purpose provides a system for be used for handling printing factory water tank water and reach emission standard, the system including flocculation reaction pond, filter equipment, high temperature distillation plant, electro-catalysis device and the RO reverse osmosis unit that connects gradually.
Furthermore, a stirring device is fixedly arranged in the flocculation reaction tank.
Furthermore, the flocculation reaction tank is connected with the filtering device through a sewage pump.
Furthermore, the flocculation reaction tank is connected with a flocculating agent adding device, and the flocculating agent is polyaluminium chloride. And adding a flocculating agent into the flocculation tank through a flocculating agent adding device for reaction.
Furthermore, the filtering device is composed of two filtering barrels which are connected in parallel.
Furthermore, a pressure detection device and an automatic alarm device are arranged in the filter barrel.
Furthermore, the pressure detection device is electrically connected with the automatic alarm device.
The utility model discloses a two parallelly connected filter barrels can automatic reversing, when pressure detection device detected the pressure in one of them filter barrel too high, need change the filter media promptly, and the system can be automatically switched rivers to another bucket from a bucket and filters, and automatic alarm device can indicate operating personnel to change the filter media in the bucket simultaneously.
Furthermore, the devices in the system are connected through a pump.
The utility model discloses the water that last device was handled and is produced is gone into in proper order and is handled next device.
Further, the RO reverse osmosis device is vertically arranged.
Therefore, the length of the filter membrane can be increased, the space occupation can be reduced to a certain extent, and the filter membrane is easy to move.
The utility model discloses a second purpose provides an utilize system be used for handling printing factory water tank water and reach emission standard's technology, the technology as follows: the printing plant water tank water pump is pumped into the flocculation reaction tank, the sewage after flocculation reaction is pumped into the filtering device, the filtered sewage enters the high-temperature distillation device, the sewage after high-temperature distillation enters the electro-catalysis device for electrochemical treatment, the treated sewage enters the RO reverse osmosis device, and the water after reverse osmosis treatment reaches the discharge standard.
Further, a flocculating agent is added into the flocculation reaction tank for flocculation reaction.
Further, the flocculating agent is polyaluminium chloride.
The utility model discloses an at first in with the water tank water pump of collecting to flocculation reaction tank, to adding the flocculating agent in the reaction tank and carry out flocculation reaction, through abundant stirring, the back of stewing, take place flocculation reaction, make solid-liquid separation.
Furthermore, the filtering device filters out impurities and precipitates generated by flocculation reaction.
Furthermore, the high-temperature distillation device separates the components in the sewage by utilizing the difference of the boiling points of the components in the mixed liquid or solid-liquid system.
The filtered sewage enters a high-temperature distillation device for high-temperature distillation treatment, wherein the high-temperature distillation is an operation process of separating the whole components by utilizing different boiling points of all components in mixed liquid or a liquid-solid system and recondensing the low-boiling-point components after evaporation. The device does not need to use other solvents besides the components, thereby ensuring that no new impurities are introduced.
Further, the electrocatalytic device forms OH groups having strong oxidizing property by anodic oxidation or anodic reaction.
Electrocatalysis is a novel sewage treatment process for carrying out electrochemical treatment on sewage and effectively removing COD. Electrocatalysis is to form OH groups with strong oxidizing property by anodic oxidation or anodic reaction, the OH groups are intermediate products of catalytic oxidation process, and are particularly suitable for biodegradation of organic matters as an initiator to induce chain reaction.
The sewage after electrocatalysis enters an RO reverse osmosis device, the RO reverse osmosis device pressurizes the catalyzed clean water through a pump, and the impurities mixed into the water in large quantities, such as industrial pollutants, heavy metals, bacteria, viruses and the like, are completely removed through a reverse osmosis membrane, so that the physicochemical indexes and the sanitary standards specified for drinking are achieved, and the clean water is produced.
The utility model discloses the COD of the water tank water stoste of well processing is 50000mg/L, the utility model discloses a water tank water is after the processing of each device, and clear water COD after RO reverse osmosis unit handles is less than or equal to 10mg/L, can reach the standard that the mark discharged.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the water tank water treated by the system of the utility model can effectively remove impurities, and simultaneously can not introduce new impurities, and the impurities mixed in a large amount of water such as industrial pollutants, heavy metals, bacteria, viruses and the like can be effectively removed by reverse osmosis membrane treatment, so that the physical and chemical indexes and the sanitary standard specified for drinking are achieved, the water is produced to be clear to pure, the whole treatment system can realize automatic/manual control, and the equipment is ensured to run stably and reliably;
(2) the utility model discloses the COD of the water tank water stoste of well processing is 50000mg/L, the utility model discloses a water tank water is after the processing of each device, and clear water COD after RO reverse osmosis equipment handles is less than or equal to 10mg/L, can reach standard emission standard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flow chart of a system for treating printing plant tank water to discharge standards in accordance with the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the system for treating water in a water tank of a printing plant to reach a discharge standard in the embodiment comprises a flocculation reaction tank, a filtering device, a high-temperature distillation device, an electro-catalytic device and an RO reverse osmosis device which are connected in sequence.
Wherein, the flocculation reaction pond in the fixed agitating unit that is provided with, the water tank water pump that this embodiment will collect at first carries out flocculation to adding the flocculating agent in the reaction tank in to the flocculation reaction pond, through abundant stirring, the back of stewing, takes place flocculation, makes solid-liquid separation.
The flocculation reaction tank is connected with the filtering device through a sewage pump, the flocculation reaction tank is connected with a flocculating agent adding device, and the flocculating agent is polyaluminium chloride. The filtering device is composed of two filtering barrels which are connected in parallel. And a pressure detection device and an automatic alarm device are arranged in the filter barrel. The pressure detection device is electrically connected with the automatic alarm device.
In the embodiment, the two filter barrels connected in parallel can be automatically reversed, when the pressure detection device detects that the pressure in one of the filter barrels is too high, the filter material needs to be replaced, the system can automatically switch water flow from one barrel to the other barrel for filtering, and meanwhile, the automatic alarm device can prompt an operator to replace the filter material in the barrel.
The devices in the system are connected through a pump. In this embodiment, the water produced by the treatment of the previous device is pumped to the next device in sequence for treatment. The RO reverse osmosis device is vertically arranged. Therefore, the length of the filter membrane can be increased, the space occupation can be reduced to a certain extent, and the filter membrane is easy to move.
Example 2
This example provides a process for treating tank water of a printing plant to meet a discharge standard using the system of example 1, which is explained by taking the example of treating 1 ton of tank water of a printing plant, and the process is as follows: the printing plant water tank water pump is pumped into the flocculation reaction tank, the sewage after flocculation reaction is pumped into the filtering device, the filtered sewage enters the high-temperature distillation device, the sewage after high-temperature distillation enters the electro-catalysis device for electrochemical treatment, the treated sewage enters the RO reverse osmosis device, and the water after reverse osmosis treatment reaches the discharge standard.
Wherein, the flocculation reaction pond in add 1000g flocculating agent and carry out flocculation, the flocculating agent be polyaluminium chloride, the producer of flocculating agent is north river ocean environmental protection science and technology limited in this embodiment, the utility model discloses an at first in with the water tank water pump of collecting to the flocculation reaction pond, add the flocculating agent to the reaction pond and carry out flocculation, through abundant stirring, after 5min stews, take place flocculation, make solid-liquid separation.
The filtering device filters impurities and precipitates generated by flocculation reaction. The filter material in the filter device adopts a wool filter element, the filtering precision is 30 mu m, and the flow is 0.3m3And/h, the pressure difference between an inlet and an outlet is 2.5bar, and the high-temperature distillation device separates the components in the sewage by utilizing the different boiling points of the components in a mixed liquid or solid-liquid system. The distillation temperature was 55 ℃ and the treatment capacity was 0.3m3And h, the filtered sewage enters a high-temperature distillation device for high-temperature distillation treatment, wherein the high-temperature distillation is an operation process of separating the whole components by utilizing different boiling points of all components in a mixed liquid or liquid-solid system and re-condensing low-boiling-point components after evaporation. The device does not need to use other solvents besides the components, thereby ensuring that no new impurities are introduced.
In the electrocatalytic device, OH groups with strong oxidizing property are formed through anodic oxidation or anodic reaction. The existing raw materials are adopted as the catalyst in the electrocatalysis treatment device in the embodiment, the catalyst is shown in patent ZL200710061391.8, the electrode material is a carbon plate, the catalysis voltage is 25V, the catalysis current is 800A, and the catalysis time is 60 min.
Electrocatalysis is a novel sewage treatment process for carrying out electrochemical treatment on sewage and effectively removing COD. Electrocatalysis is to form OH groups with strong oxidizing property by anodic oxidation or anodic reaction, the OH groups are intermediate products of catalytic oxidation process, and are particularly suitable for biodegradation of organic matters as an initiator to induce chain reaction.
The sewage after electrocatalysis enters an RO reverse osmosis device, the RO reverse osmosis membrane in the RO reverse osmosis device in the embodiment adopts Dongli brand, and the treatment capacity is 0.3m3H is used as the reference value. The RO reverse osmosis device is used for pressurizing the catalyzed clean water through a pump, and effectively removing a large amount of impurities mixed into the water, such as industrial pollutants, heavy metals, bacteria, viruses and the like, through a reverse osmosis membrane, so that the physical and chemical indexes and the sanitary standard specified for drinking are achieved, and the clean water is produced.
Through detection, the COD value of the water tank treated by the process of the embodiment is as follows: COD of the stock solution of the water in the water tank is 50000 mg/L; adding a flocculating agent and filtering to obtain COD less than or equal to 25000 mg/L; COD after high-temperature distillation is less than or equal to 2000 mg/L; COD is less than or equal to 240mg/L after electrocatalysis treatment for one hour; COD after filtration of the RO reverse osmosis membrane is less than or equal to 10mg/L, and can completely meet the discharge standard of surface water. The water indexes of the tank water before and after the treatment of this example are shown in table 1.
TABLE 1
| Index (I) | Water stock solution in water tank before treatment | Treated water |
| pH | 6.5 | 8 |
| Color intensity | 3000 | 8 |
| CODcr(mg/L) | 50000 | 10 |
| BOD5(mg/L) | 10000 | 8 |
| SS (suspension) (mg/L) | 2000 | 8 |
| NH3-N (Ammonia nitrogen) (mg/L) | 1500 | 3 |
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The system for treating water in a water tank of a printing plant to reach the discharge standard is characterized by comprising a flocculation reaction tank, a filtering device, a high-temperature distillation device, an electro-catalytic device and an RO reverse osmosis device which are sequentially connected.
2. The system for treating the water in the water tank of the printing plant to reach the discharge standard according to claim 1, wherein a stirring device is fixedly arranged in the flocculation reaction tank.
3. A system for treating printing plant tank water to discharge standards according to claim 1 or 2, characterized in that the flocculation basin is connected to the filtration device by a sewage pump.
4. The system for treating the water in the water tank of the printing plant to reach the discharge standard according to claim 1 or 2, wherein the flocculation reaction tank is connected with a flocculating agent adding device, and the flocculating agent is polyaluminium chloride.
5. The system for treating printing plant tank water to discharge standards according to claim 1, wherein the filtering means is composed of two parallel filtering barrels.
6. The system for treating the water in the water tank of the printing plant to reach the discharge standard according to claim 5, wherein a pressure detection device and an automatic alarm device are arranged in the filter vat.
7. The system for treating printing plant tank water to a discharge standard according to claim 6, wherein the pressure detection device is electrically connected to the automatic alarm device.
8. A system for treating printing plant tank water to a discharge standard according to claim 1, wherein the devices are connected by a pump.
9. The system as claimed in claim 1, wherein the RO reverse osmosis unit is vertically disposed.
10. The system according to claim 1, wherein the clear water treated by the RO reverse osmosis device has COD less than or equal to 10 mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449740.4U CN212025078U (en) | 2020-03-31 | 2020-03-31 | System for treating water in water tank of printing plant to reach discharge standard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020449740.4U CN212025078U (en) | 2020-03-31 | 2020-03-31 | System for treating water in water tank of printing plant to reach discharge standard |
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| CN212025078U true CN212025078U (en) | 2020-11-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320320A (en) * | 2020-03-31 | 2020-06-23 | 埃尔博工业设备(北京)有限公司 | System and process for treating water in water tank of printing plant to reach discharge standard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320320A (en) * | 2020-03-31 | 2020-06-23 | 埃尔博工业设备(北京)有限公司 | System and process for treating water in water tank of printing plant to reach discharge standard |
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