CN211896106U - Pickling line waste water comprehensive utilization device - Google Patents
Pickling line waste water comprehensive utilization device Download PDFInfo
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- CN211896106U CN211896106U CN201922196495.0U CN201922196495U CN211896106U CN 211896106 U CN211896106 U CN 211896106U CN 201922196495 U CN201922196495 U CN 201922196495U CN 211896106 U CN211896106 U CN 211896106U
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Abstract
The utility model discloses a pickling line waste water comprehensive utilization device, which comprises a water collecting tank outer shell, a neutralization tank and a filtering tank, wherein the inner wall of the water collecting tank outer shell is fixedly connected with the outer wall of a water collecting tank inner shell through a support column, the bottom of the outer wall of the water collecting tank inner shell is fixedly provided with a heating plate, and the gas outlet of the water collecting tank inner shell is fixedly communicated with one end of a condensation pipe through a high temperature resistant transmission pipeline; this pickling line waste water comprehensive utilization device carries out the neutralization stirring to the waste liquid through agitator motor, (mixing) shaft and stirring vane, effectively strengthens the neutralization efficiency of neutralization jar, can detect waste liquid pH valve in real time through the pH value detector simultaneously to guarantee that the waste liquid is neutralized to neutral state, thereby improve pickling line waste water comprehensive utilization device's practicality.
Description
Technical Field
The utility model relates to a comprehensive utilization of waste water device, in particular to comprehensive utilization of pickling line waste water device belongs to the environmental protection technology field.
Background
The pickling wastewater is wastewater generated when acid pickling treatment is performed with an acid such as sulfuric acid, nitric acid, hydrochloric acid, hydrofluoric acid, phosphoric acid, or the like, in order to remove oxides on the metal surface. The waste water is mainly from steel plant or electroplating plant, its pH value is below 1.5 (free acid is 0.5-2%), it is strong acid, and it is treated by neutralization method, and the commonly used neutralizing agent includes lime, dolomite and magnesium oxide, and retarding separation method.
The waste liquid generated by the existing pickling line is divided into two types, two sets of pickling line waste water comprehensive utilization devices are required to be arranged for treatment, and the treatment cost is high; the prior pickling line wastewater comprehensive utilization device has slow neutralization efficiency, and can not make the waste liquid completely neutral, thereby reducing the practicability of the pickling line wastewater comprehensive utilization device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pickling line waste water comprehensive utilization device to solve the lower problem of the current pickling line waste water comprehensive utilization device practicality that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a comprehensive utilization device for waste water of a pickling line comprises a water collecting tank outer shell, a neutralizing tank and a filtering tank, wherein the inner wall of the water collecting tank outer shell is fixedly connected with the outer wall of a water collecting tank inner shell through a support column, a heating plate is fixedly arranged at the bottom of the outer wall of the water collecting tank inner shell, a gas outlet of the water collecting tank inner shell is fixedly communicated with one end of a condensation pipe through a high-temperature-resistant transmission pipeline, the other end of the condensation pipe is fixedly communicated with the top end of a collecting tank through a transmission pipeline, a liquid inlet of the water collecting tank inner shell is fixedly communicated with one end of a liquid inlet pipeline, the middle part of the liquid inlet pipeline is fixedly communicated with a liquid inlet of the neutralizing tank through a transmission pipeline, a stirring motor is fixedly arranged in the middle part of the top end of the neutralizing tank, the output end of, the top of one side of the neutralization tank is fixedly provided with an alkali liquor inlet, a liquid outlet pipe of the neutralization tank is fixedly communicated with the inlet of a plunger pump through a transmission pipeline, the outlet of the plunger pump is fixedly communicated with the liquid inlet of a filter tank through the transmission pipeline, the top of the filter tank is in contact connection with the side of the bottom end of a top cover, the middle of the bottom end of the top cover is fixedly connected with the middle of the top end of a coarse filter plate through a connecting rod, the bottom of the inner walls of two sides of the filter tank is provided with two grooves, the two inner walls of two sides of the grooves are respectively fixedly connected with two ends of two sides of a fiber filter plate through buffer springs, and the other two inner walls of two sides of the grooves are.
As an optimized technical scheme of the utility model, the outer wall winding of high temperature resistant transmission pipeline has circulating pipe.
As an optimized technical proposal of the utility model, the stirring shaft and a plurality of stirring blades are made of silicon dioxide.
As an optimized technical scheme of the utility model, one side on neutralization tank top alternates with the sense terminal of pH value detector and is connected.
As an optimal technical scheme of the utility model, the fixed control panel that is equipped with in one side of the jar shell body that catchments, fixed agitator motor switch, pH value detector switch, plunger pump switch and the hot plate switch of being equipped with in one side of control panel, agitator motor, pH value detector, plunger pump and hot plate are respectively through agitator motor switch, pH value detector switch, plunger pump switch and hot plate switch and external power supply electric connection.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a comprehensive utilization device for pickling line wastewater, which can decompose and utilize two kinds of waste liquid generated by a pickling line at the same time, without being equipped with two comprehensive utilization devices for pickling line wastewater, thereby saving the cost; this pickling line waste water comprehensive utilization device carries out the neutralization stirring to the waste liquid through agitator motor, (mixing) shaft and stirring vane, effectively strengthens the neutralization efficiency of neutralization jar, can detect waste liquid pH valve in real time through the pH value detector simultaneously to guarantee that the waste liquid is neutralized to neutral state, thereby improve pickling line waste water comprehensive utilization device's practicality.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is an enlarged view of the position a of the present invention.
In the figure: 1. a water collection tank outer shell; 2. a high temperature resistant transmission pipeline; 3. a circulating water pipe; 4. a condenser tube; 5. a collection tank; 6. a neutralization tank; 7. a stirring motor; 8. a pH value detector; 9. a plunger pump; 10. a filter tank; 11. a top cover; 12. an inner shell of the water collecting tank; 13. heating plates; 14. a stirring shaft; 15. a stirring blade; 16. a coarse filter plate; 17. a groove; 18. a buffer spring; 19. a fiber filter plate; 20. a reverse osmosis membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a comprehensive utilization device for waste water of pickling line, comprising a water collecting tank outer shell 1, a neutralizing tank 6 and a filtering tank 10, wherein the inner wall of the water collecting tank outer shell 1 is fixedly connected with the outer wall of a water collecting tank inner shell 12 through a support column, the bottom of the outer wall of the water collecting tank inner shell 12 is fixedly provided with a heating plate 13, the gas outlet of the water collecting tank inner shell 12 is fixedly communicated with one end of a condensation pipe 4 through a high temperature resistant transmission pipeline 2, the other end of the condensation pipe 4 is fixedly communicated with the top end of a collecting tank 5 through a transmission pipeline, the liquid inlet of the water collecting tank inner shell 12 is fixedly communicated with one end of a liquid inlet pipeline, the middle part of the liquid inlet pipeline is fixedly communicated with the liquid inlet of the neutralizing tank 6 through a transmission pipeline, the middle part of the top end of the neutralizing tank, the outer wall of the stirring shaft 14 is fixedly provided with a plurality of stirring blades 15, the top of one side of the neutralization tank 6 is fixedly provided with an alkali liquor inlet, a liquid outlet pipe of the neutralization tank 6 is fixedly communicated with an inlet of a plunger pump 9 through a transmission pipeline, an outlet of the plunger pump 9 is fixedly communicated with a liquid inlet of the filter tank 10 through the transmission pipeline, the top end of the filter tank 10 is in contact connection with the side of the bottom end of the top cover 11, the middle part of the bottom end of the top cover 11 is fixedly connected with the middle part of the top end of a coarse filter plate 16 through a connecting rod, the bottoms of the inner walls of two sides of the filter tank 10 are respectively provided with two grooves 17, wherein the inner walls of two sides of the two grooves 17 are respectively fixedly connected with two ends of two sides of a fiber filter plate 19 through buffer springs 18; the circulating water pipe 3 is wound on the outer wall of the high-temperature-resistant transmission pipeline 2, so that gas generated by distillation is prevented from being condensed in the high-temperature-resistant transmission pipeline 2; the stirring shaft 14 and the stirring blades 15 are made of silicon dioxide, and the stirring shaft 14 and the stirring blades 15 are prevented from reacting with the waste liquid; one side of the top end of the neutralization tank 6 is in alternate connection with the detection end of the pH value detector 8, so that the pH value of the waste liquid can be detected in real time to ensure that the waste liquid is neutralized to be in a neutral state; the fixed control panel that is equipped with in one side of jar shell body 1 that catchments, the fixed agitator motor switch that is equipped with in one side of control panel, pH value detector switch, plunger pump switch and hot plate switch, agitator motor 7, pH value detector 8, plunger pump 9 and hot plate 13 are respectively through agitator motor switch, pH value detector switch, plunger pump switch and hot plate switch and external power supply electric connection.
When in use, the utility model relates to a comprehensive utilization device for waste water of pickling line, two kinds of waste liquids produced by the pickling production line are divided into pickling waste acid containing HCl and FeCl2 after pickling band steel and acid waste water containing a small amount of dilute acid and a large amount of impurities produced in the washing and acid mist absorption processes of the strip steel, if pickling waste acid containing HCl and FeCl2 after pickling band steel, a water valve on a transmission pipeline of an inner shell 12 of a water collecting tank is opened, hot water is added into a circulating water pipe 3, a preheating treatment is carried out on a high temperature resistant transmission pipeline 2, so as to prevent distilled gas from condensing in the high temperature resistant transmission water pipe 2, the pickling waste acid enters the inner shell 12 of the water collecting tank, a heating plate switch is opened, a heating plate 13 distills the pickling waste acid liquid in the inner shell 12 of the water collecting tank, a large amount of FeCl2 crystals produced after distillation are discharged through an outlet of the inner shell 12 of the water collecting tank and are reused, the condensed dilute acid is recycled by a collecting tank 5, if the acidic waste water containing a small amount of dilute acid and a large amount of impurities is generated in the process of strip steel washing and acid mist absorption, a water valve on a transmission pipeline of a neutralization tank 6 is opened, the acidic waste water enters the interior of the neutralization tank 6 through the transmission pipeline, alkali liquor is added into the neutralization tank 6 through an alkali liquor inlet on one side of the neutralization tank 6 to neutralize the acidic waste water in the neutralization tank 6, so that the pH value of the acidic waste water is about 7, namely neutral, stirring is carried out by a stirring blade 15 driven by a stirring motor 7 during neutralization so as to accelerate the neutralization efficiency of the neutralization tank 6, a pH value detector 8 with the model of JZ-pH200 is observed constantly during the neutralization process so as to ensure that the waste liquid is neutralized to be in a neutral state, thus the practicability of the comprehensive utilization device of the waste water of the pickling unit is improved, the neutralized waste liquid is transmitted to a filter tank 10 through a plunger pump 9, the coarse filter plate 16 in the filter tank 10 firstly filters the sludge part, the fiber filter plate 19 and the reverse osmosis membrane 20 filter the clear water part, the fiber filter plate 19 removes suspended matters and macromolecular organic substances, and the reverse osmosis membrane 20 treats the water into the production circulating water condition.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a pickling line waste water comprehensive utilization device, includes water collection tank shell body (1), neutralization tank (6) and crosses filter tank (10), its characterized in that, the inner wall of water collection tank shell body (1) passes through the outer wall fixed connection of support column with water collection tank inner shell body (12), the fixed hot plate (13) that is equipped with in bottom of water collection tank inner shell body (12) outer wall, the gas outlet of water collection tank inner shell body (12) is through the fixed intercommunication of high temperature resistant transmission pipeline (2) and condenser pipe (4), the other end of condenser pipe (4) is through the fixed intercommunication in transmission pipeline and the top of collection tank (5), the inlet of water collection tank inner shell body (12) is fixed with the one end of feed liquor pipeline and is communicated, the fixed intercommunication of feed liquor pipeline and the inlet of neutralization tank (6) is passed through in the middle part of feed liquor pipeline, the fixed agitator motor (7) that is equipped with in the middle part on, the output end of the stirring motor (7) is fixedly connected with one end of the stirring shaft (14), the outer wall of the stirring shaft (14) is fixedly provided with a plurality of stirring blades (15), the top of one side of the neutralization tank (6) is fixedly provided with an alkali liquor inlet, a liquid outlet pipe of the neutralization tank (6) is fixedly communicated with the inlet of the plunger pump (9) through a transmission pipeline, the outlet of the plunger pump (9) is fixedly communicated with the liquid inlet of the filter tank (10) through the transmission pipeline, the top end of the filter tank (10) is in contact connection with the lateral side of the bottom end of the top cover (11), the middle part of the bottom end of the top cover (11) is fixedly connected with the middle part of the top end of the coarse filter plate (16) through a connecting rod, the bottoms of the inner walls at two sides of the filter tank (10) are both provided with two grooves (17), wherein the inner walls at two sides of the two grooves (17) are respectively fixedly connected, the inner walls of two sides of the other two grooves (17) are respectively fixedly connected with two ends of two sides of the reverse osmosis membrane (20) through buffer springs (18).
2. The comprehensive utilization device of pickling line wastewater as claimed in claim 1, characterized in that: and a circulating water pipe (3) is wound on the outer wall of the high-temperature-resistant transmission pipeline (2).
3. The comprehensive utilization device of pickling line wastewater as claimed in claim 1, characterized in that: the stirring shaft (14) and the stirring blades (15) are both made of silicon dioxide.
4. The comprehensive utilization device of pickling line wastewater as claimed in claim 1, characterized in that: one side of the top end of the neutralization tank (6) is connected with the detection end of the pH value detector (8) in an inserting way.
5. The comprehensive utilization device of pickling line wastewater as claimed in claim 4, wherein: the fixed control panel that is equipped with in one side of jar shell body that catchments (1), fixed agitator motor switch, pH value detector switch, plunger pump switch and the hot plate switch of being equipped with in one side of control panel, agitator motor (7), pH value detector (8), plunger pump (9) and hot plate (13) are respectively through agitator motor switch, pH value detector switch, plunger pump switch and hot plate switch and external power supply electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196495.0U CN211896106U (en) | 2019-12-10 | 2019-12-10 | Pickling line waste water comprehensive utilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196495.0U CN211896106U (en) | 2019-12-10 | 2019-12-10 | Pickling line waste water comprehensive utilization device |
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| CN211896106U true CN211896106U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057341A (en) * | 2021-12-02 | 2022-02-18 | 无锡星亿智能环保装备股份有限公司 | Electroplating production line evaporation device with collection function |
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2019
- 2019-12-10 CN CN201922196495.0U patent/CN211896106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057341A (en) * | 2021-12-02 | 2022-02-18 | 无锡星亿智能环保装备股份有限公司 | Electroplating production line evaporation device with collection function |
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