CN212102466U - Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron - Google Patents
Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron Download PDFInfo
- Publication number
- CN212102466U CN212102466U CN202020359586.1U CN202020359586U CN212102466U CN 212102466 U CN212102466 U CN 212102466U CN 202020359586 U CN202020359586 U CN 202020359586U CN 212102466 U CN212102466 U CN 212102466U
- Authority
- CN
- China
- Prior art keywords
- tank
- waste
- sulfuric acid
- reaction tank
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a resource recycling comprehensive disposal system of waste concentrated sulfuric acid and waste scrap iron, an industrial wastewater storage tank, a sequencing batch reaction tank, a Fenton reaction tank and an intermediate water tank are connected in sequence, the intermediate water tank and the waste concentrated sulfuric acid storage tank are connected with a sulfuric acid dilution tank, a sulfuric acid pump and a waste water pump are arranged between the waste concentrated sulfuric acid storage tank, the intermediate water tank and the sulfuric acid dilution tank, an online sulfate radical concentration monitoring instrument is arranged in the waste concentrated sulfuric acid storage tank, the sulfuric acid dilution tank and the waste scrap iron storage tank are connected with a ferrous sulfate reaction tank, the ferrous sulfate reaction tank is connected with a waste gas alkali washing tower and the Fenton reaction tank, a waste water monitoring instrument is arranged in the Fenton reaction tank, a first dosing pump is arranged between the ferrous sulfate, the online monitoring sulfate radical concentration instrument, the sulfuric acid pump, the waste water monitor and the first dosing pump are connected with the PLC control device, and the Fenton reaction tank is connected with the sludge tank. The utility model discloses can realize waste material resource utilization and treat waste with one another, reduce industrial waste water and purify the processing cost, avoid the wasting of resources.
Description
Technical Field
The utility model relates to a processing system is synthesized with resource recycle of scrap iron bits to useless concentrated sulfuric acid.
Background
With the rise of the electronic industry, a large amount of waste sulfuric acid is generated in the acid washing process in the production process of electronic products, and the quantity is huge. The amount occupied by HW34 in the industrial wastewater treatment category is far greater than the wastewater yield of other categories, waste alkali liquor generated in the industry can be used for acid-base neutralization, but the acid-base neutralization requirement of waste acid cannot be met far, the waste of resources can be caused by adopting liquid alkali or lime to neutralize and treat the waste acid, and the generated secondary hazardous waste sludge is large in amount and needs secondary treatment. Therefore, the search of resource recycling disposal of the waste sulfuric acid is a promising disposal mode.
A large amount of waste scrap iron is generated after cooling waste cutting fluid generated in the production process of the machining industry, and the scrap iron as dangerous waste must be delivered to qualified incineration enterprises for incineration. The scrap iron has low heat value and ash content of more than 90 percent, is changed into ferric oxide after being burned and oxidized, and is finally used as incineration slag to be buried. The iron scrap incineration not only wastes iron sources, but also generates secondary dangerous waste, so that the trend is to find the resource utilization of the waste iron scrap and to treat the waste by using the waste is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a resource recycle of useless concentrated sulfuric acid and waste iron bits synthesizes processing system, aims at solving among the prior art technical problem that useless concentrated sulfuric acid and waste iron bits wasting of resources, industrial waste water processing cost are high, processing efficiency hangs down.
The technical scheme of the utility model is that: the utility model provides a resource recycle of concentrated sulfuric acid of giving up and scrap iron bits synthesizes processing system, includes industrial waste water storage tank, preface batch reaction tank, fenton reaction tank, middle pond, concentrated sulfuric acid storage tank, sulphuric acid dilution tank, scrap iron bits storage tank, ferrous sulfate reaction tank, waste gas alkali wash tower, sludge impoundment, PLC controlling means, industrial waste water storage tank, preface batch reaction tank, fenton reaction tank, middle pond connect gradually, concentrated sulfuric acid storage tank, middle pond of giving up are connected with the sulphuric acid dilution tank respectively, are equipped with sulphuric acid pump, waste water pump between concentrated sulfuric acid storage tank, middle pond and the sulphuric acid dilution tank respectively, be equipped with on-line monitoring sulfate radical concentration appearance in the concentrated sulfuric acid storage tank, on-line monitoring sulfate radical concentration appearance, sulphuric acid pump, waste water pump respectively with PLC controlling means connects, and PLC controlling means can go into the sulphuric acid radical of required amount and waste water pump respectively with sulphuric acid and waste water pump carry out in the sulphuric acid dilution tank according to the sulphuric acid concentration control Carrying out dilution reaction; the sulfuric acid dilution tank and the waste iron scrap storage tank are respectively connected with a ferrous sulfate reaction tank, the ferrous sulfate reaction tank is respectively connected with a waste gas alkaline washing tower and a Fenton reaction tank, waste dilute sulfuric acid and waste iron scrap in the sulfuric acid dilution tank and the waste iron scrap storage tank are respectively introduced into the ferrous sulfate reaction tank for reaction, and gas generated by the reaction and a ferrous sulfate solution are respectively introduced into the waste gas alkaline washing tower and the Fenton reaction tank; the gas comprises hydrogen sulfide gas, a sodium hydroxide solution is arranged in the waste gas alkaline washing tower, the gas can generate a sodium sulfide solution after being introduced into the waste gas alkaline washing tower, and the waste gas alkaline washing tower is connected with the sequencing batch reaction tank and is used for introducing the generated sodium sulfide solution into the sequencing batch reaction tank to perform coagulation and flocculation on the industrial wastewater; industrial waste water after reaction tank coagulation flocculation lets in the fenton reaction tank in the preface, be equipped with the waste water monitor who is used for monitoring each item index of waste water in the fenton reaction tank, be equipped with first dosing pump between ferrous sulfate reaction tank and the fenton reaction tank, waste water monitor, first dosing pump respectively with PLC controlling means connects, and PLC controlling means can react in the ferrous sulfate solution pump income fenton reaction tank of required amount according to waste water monitor's the first dosing pump of monitoring data control, the fenton reaction tank still with the sludge impoundment is connected, and play water after the reaction is arranged to middle pond, mud and is arranged to the sludge impoundment.
Further, the utility model discloses in sulphuric acid dilution tank is connected with comdenstion water circulation system, sulphuric acid dilution tank's outside has the shell, sulphuric acid dilution tank with form between the shell and press from both sides the chamber, comdenstion water circulation system be used for to press from both sides the intracavity and carry the comdenstion water in order to cool down sulphuric acid dilution tank.
Further, in the utility model, the condensate circulating system includes the comdenstion water treatment case, the comdenstion water treatment case with press from both sides the chamber and connect, the comdenstion water treatment case with PLC controlling means connects.
Further, the utility model discloses in be equipped with in the sulphuric acid dilution tank with the thermometer that PLC controlling means connects, PLC controlling means can set for the refrigerated temperature of condensate according to the temperature control comdenstion water treatment box in the sulphuric acid dilution tank that the thermometer detected.
Further, in the utility model discloses in the gas that the reaction generated still includes hydrogen in the ferrous sulfate reaction tank, the waste gas caustic wash tower still is connected with the hydrogen collection storage tank that is used for collecting hydrogen.
Further, the utility model discloses in the fenton reaction tank is connected with the hydrogen peroxide solution dosing tank, be equipped with the second between hydrogen peroxide solution dosing tank and the fenton reaction tank and add the medicine pump, the second add the medicine pump with PLC controlling means connects, and PLC controlling means can react in going into the fenton reaction tank with the hydrogen peroxide solution pump of required amount according to waste water monitor's monitoring data control second with the medicine pump.
Further, the utility model discloses in the fenton reaction tank is connected with the pH and adjusts the dosing tank, be equipped with the third dosing pump between pH regulation dosing tank and the fenton reaction tank, be equipped with the pH meter in the fenton reaction tank, third dosing pump, pH meter respectively with PLC controlling means connects, and PLC controlling means can adjust waste water pH to between 8 ~ 9 with the pH adjusting agent pump income of required amount with the waste water pH value control third dosing pump according to the waste water pH value control third that the pH meter detected.
Further, in the utility model discloses in middle pond has still connected gradually total equalizing basin, biochemical system, and most water in the middle pond gets into reentrant biochemical system behind the total equalizing basin carries out biochemistry, and qualified water finally emits into municipal pipe network.
Further, in the utility model discloses in all be equipped with agitating unit in sulphuric acid dilution tank, ferrous sulfate reaction tank, the fenton reaction tank, the preface criticizes the reaction tank.
Compared with the prior art, the utility model has the following advantage:
1) the utility model discloses a processing system is through rational utilization useless concentrated sulfuric acid and waste iron bits, the ferrous sulfate solution that waste concentrated sulfuric acid after will diluting and waste iron bits reaction generate is as the medicament of the fragrant technology of industrial waste water, can retrieve useless concentrated sulfuric acid and waste iron bits safely, can satisfy the medicament demand of the fragrant technology of industrial waste water again, purify the processing to industrial waste water, reach the purpose of treating waste with useless when reaching waste resource utilization's purpose, be favorable to reducing industrial waste water treatment cost, avoid the wasting of resources simultaneously.
2) The utility model discloses a processing system running cost is low, and automatic intelligent degree is high, and the secondary sludge volume of production is few, can make full use of sulphur resource and iron resource, handles industrial waste water to satisfying the water requirement, and the treatment effect is showing.
3) The utility model discloses a hydrogen that produces when handling system moves is collected in the hydrogen collection storage tank, can regard as clean energy to use, reaches the utilization of resources maximize.
4) The utility model discloses in, the comdenstion water circulation system of specific design can effectively cool down the sulphuric acid dilution tank, absorbs a large amount of heats of release among the useless concentrated sulfuric acid dilution process, guarantees that the safety of reaction goes on.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
fig. 2 is a system framework diagram of the present invention.
Wherein: 1. an industrial wastewater storage tank; 2. a sequencing batch reaction tank; 3. a Fenton reaction tank; 3a, a waste water monitor; 4. a middle water tank; 5. a waste concentrated sulfuric acid storage tank; 5a, monitoring a sulfate radical concentration instrument on line; 6. a sulfuric acid dilution tank; 7. a scrap iron storage tank; 8. a ferrous sulfate reaction tank; 9. an exhaust gas caustic washing tower; 10. a sludge tank; 11. a condensed water treatment tank; 12. a thermometer; 13. a hydrogen collecting storage tank; 14. a hydrogen peroxide dosing tank; 15. a pH adjusting dosing tank; 16. a pH meter; 17. a total regulating reservoir; 18. a biochemical system; a1, sulfuric acid pump; a2, waste water pump; a3, a first dosing pump; a4, a second dosing pump; a5, and a third dosing pump.
Detailed Description
The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.
Example (b):
combine the attached drawing to show the utility model relates to a resource recycle of useless concentrated sulfuric acid and waste iron bits synthesizes the embodiment of processing system, this system mainly includes industrial waste water storage tank 1, preface batch reaction tank 2, fenton reaction tank 3, middle pond 4, useless concentrated sulfuric acid storage tank 5, sulphuric acid dilution tank 6, waste iron bits storage tank 7, ferrous sulfate reaction tank 8, waste gas alkaline washing tower 9, sludge impoundment 10, PLC controlling means.
Industrial waste water storage tank 1, preface batch reaction tank 2, Fenton reaction tank 3, middle pond 4 connect gradually, and useless concentrated sulfuric acid storage tank 5, middle pond 4 are connected with sulphuric acid dilution tank 6 respectively, are equipped with sulphuric acid pump a1, waste water pump a2 between useless concentrated sulfuric acid storage tank 5, middle pond 4 and the sulphuric acid dilution tank 6 respectively, are equipped with on-line monitoring sulfate radical concentration appearance 5a in the useless concentrated sulfuric acid storage tank 5.
The online monitoring sulfate radical concentration instrument 5a, the sulfuric acid pump a1 and the wastewater pump a2 are respectively connected with a PLC control device, and the PLC control device can respectively pump required amount of sulfuric acid and wastewater into the sulfuric acid dilution tank 6 for dilution reaction according to the sulfuric acid concentration control sulfuric acid pump a1 and the wastewater pump a2 detected by the online monitoring sulfate radical concentration instrument 5 a.
In this embodiment, the sulfuric acid dilution tank 6 is connected with a condensed water circulation system, the outer portion of the sulfuric acid dilution tank 6 is provided with a shell, a clamping cavity is formed between the sulfuric acid dilution tank 6 and the shell, and the condensed water circulation system is used for conveying condensed water to the clamping cavity so as to cool the sulfuric acid dilution tank 6.
Specifically, as shown in fig. 1, the condensate circulating system includes a condensate treatment tank 11, the condensate treatment tank 11 is connected to the clamping cavity, and the condensate treatment tank 11 is connected to the PLC control device. A thermometer 12 connected with a PLC control device is arranged in the sulfuric acid dilution tank 6, and the PLC control device can control the temperature of the condensed water cooled by the condensed water treatment tank 11 according to the temperature in the sulfuric acid dilution tank 6 detected by the thermometer 12.
The sulfuric acid dilution tank 6 and the waste iron scrap storage tank 7 are respectively connected with the ferrous sulfate reaction tank 8, the ferrous sulfate reaction tank 8 is respectively connected with the waste gas alkaline washing tower 9 and the Fenton reaction tank 3, waste dilute sulfuric acid and waste iron scrap in the sulfuric acid dilution tank 6 and the waste iron scrap storage tank 7 are respectively introduced into the ferrous sulfate reaction tank 8 to react, and gas generated by the reaction and ferrous sulfate solution are respectively introduced into the waste gas alkaline washing tower 9 and the Fenton reaction tank 3.
The gas generated by the reaction in the ferrous sulfate reaction tank 8 comprises hydrogen sulfide gas and hydrogen gas. And a sodium hydroxide solution is arranged in the waste gas alkaline washing tower 9, the gas is introduced into the waste gas alkaline washing tower 9 to remove hydrogen sulfide gas, a sodium sulfide solution is generated, and the waste gas alkaline washing tower 9 is connected with the sequencing batch reaction tank 2 and is used for introducing the generated sodium sulfide solution into the sequencing batch reaction tank 2 to perform coagulation and flocculation on the industrial wastewater. The exhaust gas caustic tower 9 is also connected with a hydrogen collecting tank 13 for collecting hydrogen.
Industrial waste water after 2 coagulation flocculation of preface batch reaction tank lets in fenton reaction tank 3, be equipped with the waste water monitor 3a that is used for monitoring each item index of waste water in the fenton reaction tank 3, be equipped with first dosing pump a3 between ferrous sulfate reaction tank 8 and the fenton reaction tank 3, waste water monitor 3a, first dosing pump a3 is connected with PLC controlling means respectively, PLC controlling means can be according to the first dosing pump a3 of monitoring data control of waste water monitor 3a and go into the fenton reaction tank 3 with the ferrous sulfate solution pump of required amount and react.
The Fenton reaction tank 3 is also connected with a hydrogen peroxide dosing tank 14, a second dosing pump a4 is arranged between the hydrogen peroxide dosing tank 14 and the Fenton reaction tank 3, the second dosing pump a4 is connected with a PLC control device, and the PLC control device can control the second dosing pump a4 to pump required amount of hydrogen peroxide into the Fenton reaction tank 3 for reaction according to monitoring data of the wastewater monitor 3 a.
The Fenton reaction tank 3 is also connected with a pH adjusting dosing tank 15, a third dosing pump a5 is arranged between the pH adjusting dosing tank 15 and the Fenton reaction tank 3, a pH meter 16 is arranged in the Fenton reaction tank 3, the third dosing pump a5 and the pH meter 16 are respectively connected with a PLC control device, and the PLC control device can control the third dosing pump a5 to pump a required amount of pH regulator into the Fenton reaction tank 3 according to the pH value of wastewater detected by the pH meter 16 so as to adjust the pH of the wastewater to 8-9.
The Fenton reaction tank 3 is also connected with a sludge pool 10, the effluent after reaction is discharged to the intermediate water pool 4, and the sludge is discharged to the sludge pool 10.
The intermediate water tank 4 is also sequentially connected with a main regulating tank 17 and a biochemical system 18, most of the water in the intermediate water tank 4 enters the main regulating tank 17 and then enters the biochemical system 18 for biochemical treatment, and qualified outlet water is finally discharged into a municipal pipe network.
In addition, stirring devices are arranged in the sulfuric acid dilution tank 6, the ferrous sulfate reaction tank 8, the Fenton reaction tank 3 and the sequencing batch reaction tank 2.
The concrete during operation of this embodiment, the concentration of sulphuric acid in the useless concentrated sulfuric acid storage tank 5 is at first monitored to on-line monitoring sulfate concentration appearance 5a and is sent to PLC controlling means, PLC controlling means calculates concentrated sulfuric acid and dilutes to 10% required waste water volume and concentrated sulfuric acid volume, controls waste water pump a2 work earlier, with the waste water pump income sulphuric acid dilution tank 6 in the middle pond 4, and the work of control sulphuric acid pump a1 again, slowly pour into the concentrated sulfuric acid in the useless concentrated sulfuric acid storage tank 5 into sulphuric acid dilution tank 6 and dilute the reaction. In the dilution reaction process, the thermometer 12 detects the internal temperature of the sulfuric acid dilution tank 6 in real time and sends the internal temperature to the PLC control device, the PLC control device controls the temperature of the condensed water, set by the condensed water treatment box 11, to be cooled by the condensed water, the condensed water treatment box 11 circularly conveys the condensed water to the cavity of the sulfuric acid dilution tank 6, a large amount of heat released in the sulfuric acid dilution process is absorbed, and the safe reaction is ensured.
10 percent of waste dilute sulfuric acid in the sulfuric acid dilution tank 6 is introduced into the ferrous sulfate reaction tank 8, and then the waste scrap iron in the waste scrap iron storage tank 7 is slowly and batchwise put into the ferrous sulfate reaction tank 8 for full reaction to generate ferrous sulfate solution until the solution is saturated. A large amount of hydrogen and a small amount of byproduct hydrogen sulfide gas can be generated in the reaction process, the hydrogen and the hydrogen sulfide gas pass through the waste gas caustic tower 9, the sodium hydroxide solution in the waste gas caustic tower 9 is used for removing the hydrogen sulfide gas, and the generated sodium sulfide solution is introduced into the sequencing batch reaction tank 2 to be used for removing heavy metal copper by coagulation and flocculation of industrial wastewater, so that the obtained pure hydrogen is collected in the hydrogen collecting storage tank 13 and can be used as clean energy.
The reaction equation occurring in the ferrous sulfate reaction tank 8 is:
Fe+H2SO4(dilute) ═ FeSO4+H2↑
Industrial waste water in the industrial waste water storage tank 1 gets into in the fenton reaction tank 3 after the coagulation flocculation of preface batch reaction tank 2, each item index of waste water is sent to PLC controlling means to waste water monitor 3a in the fenton reaction tank 3, PLC controlling means is according to the first dosing pump a3 work of control of the monitoring index of waste water at first, throw into proper amount of saturated ferrous sulfate solution and react in the fenton reaction tank 3, because this saturated ferrous sulfate solution is strong acid, can adjust waste water pH to the requirement of fenton reaction 2 ~ 4, can act as the ferrous medicament of fenton reagent again, then again according to Fe according to the ferrous medicament of Fe2+：H2O2Adding a proper amount of hydrogen peroxide into the wastewater at a molar ratio of 3:1 through a second dosing pump a4 to perform a Fenton reaction, controlling a third dosing pump a5 by a PLC (programmable logic controller) according to a detection value of a pH meter 16 after the Fenton reaction is finished to add a pH regulator into the wastewater to regulate the pH of the wastewater to 8-9 for coagulating sedimentation, discharging effluent to an intermediate water tank 4, and discharging sludge to a sludge tank 10.
Most of the water in the intermediate water tank 4 enters the total regulating tank 17 and then enters the biochemical system 18 for biochemical treatment, qualified effluent is finally discharged into a municipal pipe network, and a small part of the qualified effluent is used as dilution water of the front-stage waste concentrated sulfuric acid.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a useless concentrated sulfuric acid and scrap iron bits's resource recycle synthesizes processing system which characterized in that: including industrial waste water storage tank (1), preface batch reaction tank (2), fenton reaction tank (3), middle pond (4), concentrated sulfuric acid storage tank (5), sulphuric acid dilution tank (6), scrap iron storage tank (7), ferrous sulfate reaction tank (8), waste gas caustic wash tower (9), sludge impoundment (10), PLC controlling means, industrial waste water storage tank (1), preface batch reaction tank (2), fenton reaction tank (3), middle pond (4) connect gradually, concentrated sulfuric acid storage tank (5), middle pond (4) are connected with sulphuric acid dilution tank (6) respectively, are equipped with sulphuric acid pump (a1), waste water pump (a2) between concentrated sulfuric acid storage tank (5), middle pond (4) and sulphuric acid dilution tank (6) respectively, be equipped with on-line monitoring sulfate concentration appearance (5a) in concentrated sulfuric acid storage tank (5), on-line monitoring sulfate concentration appearance (5a), The sulfuric acid pump (a1) and the wastewater pump (a2) are respectively connected with the PLC control device, and the PLC control device can control the sulfuric acid pump (a1) and the wastewater pump (a2) to respectively pump required amount of sulfuric acid and wastewater into the sulfuric acid dilution tank (6) for dilution reaction according to the sulfuric acid concentration detected by the online sulfate concentration monitoring instrument (5 a); the sulfuric acid dilution tank (6) and the waste scrap iron storage tank (7) are respectively connected with a ferrous sulfate reaction tank (8), the ferrous sulfate reaction tank (8) is respectively connected with a waste gas alkaline washing tower (9) and a Fenton reaction tank (3), waste dilute sulfuric acid and waste scrap iron in the sulfuric acid dilution tank (6) and the waste scrap iron storage tank (7) are respectively introduced into the ferrous sulfate reaction tank (8) for reaction, and gas generated by the reaction and a ferrous sulfate solution are respectively introduced into the waste gas alkaline washing tower (9) and the Fenton reaction tank (3); the gas comprises hydrogen sulfide gas, a sodium hydroxide solution is arranged in the waste gas alkaline washing tower (9), the gas can generate a sodium sulfide solution after being introduced into the waste gas alkaline washing tower (9), and the waste gas alkaline washing tower (9) is connected with the sequencing batch reaction tank (2) and is used for introducing the generated sodium sulfide solution into the sequencing batch reaction tank (2) to perform coagulation flocculation on the industrial wastewater; industrial waste water after reaction tank (2) coagulation flocculation lets in fenton reaction tank (3) in preface, be equipped with in fenton reaction tank (3) and be used for monitoring waste water each item index waste water monitor (3a), be equipped with between ferrous sulfate reaction tank (8) and fenton reaction tank (3) first dosing pump (a3), waste water monitor (3a), first dosing pump (a3) respectively with PLC controlling means connects, and PLC controlling means can go into fenton reaction tank (3) with the ferrous sulfate solution pump of required amount according to the monitoring data control first dosing pump (a3) of waste water monitor (3a) and react, fenton reaction tank (3) still with sludge impoundment (10) are connected, and the play water after the reaction is arranged to middle pond (4), sludge discharge to sludge impoundment (10).
2. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: the sulfuric acid dilution tank (6) is connected with a condensed water circulating system, a shell is arranged outside the sulfuric acid dilution tank (6), a clamping cavity is formed between the sulfuric acid dilution tank (6) and the shell, and the condensed water circulating system is used for conveying condensed water to the clamping cavity so as to cool the sulfuric acid dilution tank (6).
3. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 2, characterized in that: the condensate circulating system comprises a condensate treating box (11), the condensate treating box (11) is connected with the clamping cavity, and the condensate treating box (11) is connected with the PLC control device.
4. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 3, characterized in that: a thermometer (12) connected with the PLC control device is arranged in the sulfuric acid dilution tank (6), and the PLC control device can control the temperature of the condensed water cooling set by the condensed water treatment box (11) according to the temperature in the sulfuric acid dilution tank (6) detected by the thermometer (12).
5. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: the gas generated by the reaction in the ferrous sulfate reaction tank (8) further comprises hydrogen, and the waste gas alkaline washing tower (9) is also connected with a hydrogen collecting storage tank (13) for collecting the hydrogen.
6. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: the Fenton reaction tank (3) are connected with hydrogen peroxide solution dosing tank (14), be equipped with the second between hydrogen peroxide solution dosing tank (14) and the Fenton reaction tank (3) and add medicine pump (a4), second add medicine pump (a4) with PLC controlling means connects, and PLC controlling means can add medicine pump (a4) and go into the hydrogen peroxide solution pump of required amount and react in Fenton reaction tank (3) according to the monitoring data control second of waste water monitoring instrument (3 a).
7. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: fenton reaction tank (3) are connected with pH regulation dosing tank (15), be equipped with third dosing pump (a5) between pH regulation dosing tank (15) and the Fenton reaction tank (3), be equipped with pH meter (16) in Fenton reaction tank (3), third dosing pump (a5), pH meter (16) respectively with PLC controlling means connects, and PLC controlling means can be according to waste water pH value control third dosing pump (a5) that pH meter (16) detected and pump the pH regulator of required amount into Fenton reaction tank (3) with waste water pH and transfer to between 8 ~ 9.
8. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: the middle water tank (4) is also sequentially connected with a main adjusting tank (17) and a biochemical system (18), most of water in the middle water tank (4) enters the main adjusting tank (17) and then enters the biochemical system (18) for biochemical treatment, and qualified outlet water is finally discharged into a municipal pipe network.
9. The comprehensive disposal system for recycling of waste concentrated sulfuric acid and waste scrap iron according to claim 1, characterized in that: stirring devices are arranged in the sulfuric acid dilution tank (6), the ferrous sulfate reaction tank (8), the Fenton reaction tank (3) and the sequencing batch reaction tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359586.1U CN212102466U (en) | 2020-03-20 | 2020-03-20 | Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359586.1U CN212102466U (en) | 2020-03-20 | 2020-03-20 | Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212102466U true CN212102466U (en) | 2020-12-08 |
Family
ID=73638578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020359586.1U Active CN212102466U (en) | 2020-03-20 | 2020-03-20 | Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212102466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477605A (en) * | 2022-02-22 | 2022-05-13 | 浙江宏电环保装备有限公司 | Membrane concentrate treatment facility with settlement treatment structure |
-
2020
- 2020-03-20 CN CN202020359586.1U patent/CN212102466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477605A (en) * | 2022-02-22 | 2022-05-13 | 浙江宏电环保装备有限公司 | Membrane concentrate treatment facility with settlement treatment structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017133514A1 (en) | Treatment apparatus and method for softening desulfurization wastewater | |
| JP4947640B2 (en) | Waste acid solution treatment method | |
| CN212102466U (en) | Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron | |
| CN107162281A (en) | The processing method and Waste Water Treatment of heavy metal ion in a kind of removal smelting wastewater | |
| JP2011168856A (en) | Method and device for recovering copper from copper-containing acid waste liquid | |
| CN109502655A (en) | A kind of production technology of bodied ferric sulfate | |
| CN100509658C (en) | High-concentration chromium-containing wastewater resource treatment method | |
| CN110255823A (en) | A kind of high zinc high ammonia nitrogen and high thiocarbamide waste water treatment process | |
| CN111097277A (en) | Waste nitric acid treatment method | |
| CN206033437U (en) | Deamination processing apparatus to waste water | |
| CN101148306B (en) | Method for treating and utilizing human fecaluria | |
| CN205170590U (en) | Wastewater treatment system | |
| CN111268867A (en) | Comprehensive disposal system for resource recycling of waste concentrated sulfuric acid and waste scrap iron | |
| CN214528484U (en) | Normal temperature processing system of high ammonia-nitrogen wastewater with low carbon-nitrogen ratio | |
| CN215559003U (en) | Processing apparatus that contains chlorine spent acid resourceization | |
| CN110498490A (en) | A kind of electric flocculation reactor and its application | |
| CN105461132A (en) | Waste water treatment method and system | |
| CN106995249B (en) | Segmentation-combined treatment method for acid and alkali washing waste tank liquor | |
| CN212101988U (en) | Improved generation sodium hypochlorite production on-line control system | |
| CN109824129A (en) | A kind of COD remover | |
| CN106086896B (en) | Based on the wiring board acidity etching liquid recycling system in heavy metal containing wastewater treatment | |
| CN113480123A (en) | Harmless treatment method for pickling sludge | |
| CN213652145U (en) | Electroplating effluent or electroplating sludge's processing system | |
| CN209438593U (en) | A kind of spent acid carbide slag mixing reactor | |
| CN203715410U (en) | Device for treating pulping wastewater via Fenton catalytic oxidation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215126, Suzhou Industrial Park, Jiangsu, Suzhou Province, 18 Pu Cheng Pu Road Patentee after: Zhongxin Heshun environmental protection (Jiangsu) Co.,Ltd. Address before: 215126, Suzhou Industrial Park, Jiangsu Province, 18 Pu Cheng Pu Road Patentee before: JIANGSU HESHUN ENVIRONMENTAL PROTECTION Co.,Ltd. |
|
| CP03 | Change of name, title or address |