CN215667445U - Pickling wastewater treatment device for seamless steel pipe production - Google Patents
Pickling wastewater treatment device for seamless steel pipe production Download PDFInfo
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- CN215667445U CN215667445U CN202023029415.1U CN202023029415U CN215667445U CN 215667445 U CN215667445 U CN 215667445U CN 202023029415 U CN202023029415 U CN 202023029415U CN 215667445 U CN215667445 U CN 215667445U
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Abstract
The utility model discloses a pickling wastewater treatment device for seamless steel tube production, which comprises an adjusting box and a neutralizing box, wherein a first speed reducing motor is arranged in the center of the top of the adjusting box, an output shaft of the first speed reducing motor penetrates through the top of the adjusting box and is connected with a first stirring shaft, a first stirring plate is arranged on the first stirring shaft, an inclined filter plate is arranged in the adjusting box, a discharge pipe is arranged on the side wall of the box body corresponding to the lowest inclined position of the filter plate, a discharge hole is formed in the side wall of the box body corresponding to the highest inclined position of the filter plate, a liquid inlet pipe is arranged at the top of the neutralizing box, a filter press is arranged at the upper part of the liquid inlet pipe, a second speed reducing motor is arranged on the side wall of the neutralizing box, an output shaft of the second speed reducing motor penetrates through the side wall of the neutralizing box and is connected with a second stirring shaft, and a second stirring plate is arranged on the second stirring shaft; the utility model can carry out preliminary filtration on waste liquid, can filter lime water, and can adjust the pH value of the lime water or the pH value of the acid washing wastewater and the lime water after being fused according to the measured pH value.
Description
Technical Field
The utility model relates to a pickling wastewater treatment device for seamless steel tube production, and belongs to the technical field of wastewater treatment.
Background
In the production process of steel such as steel pipes and the like, acid pickling is generally needed and then the steel is washed by clean water, the clean water is changed into acid pickling wastewater through a washing process, the acid pickling wastewater is not allowed because the acid pickling wastewater is directly discharged and does not meet the environmental protection requirement, and meanwhile, the direct discharge also causes waste of water resources; therefore, the corresponding treatment is required for the acid pickling wastewater, and the traditional treatment method for the acid pickling wastewater usually adopts neutralization, coagulation, precipitation, filter pressing, filter cake formation and landfill, and the traditional treatment method has the following two defects: firstly, the traditional treatment method hardly pays attention to preliminary filtration before the neutralization of the pickling wastewater, and a common bag filter is used for simple filtration, but the bag filter has short service time and poor filtration effect; secondly, the process of neutralization generally adopts lime to neutralize and adjust the pH value in the pickling waste water, then carries out the sedimentation treatment, but the lime has the problem that the equipment pipeline is easy to block up in the mode of neutralizing the pickling waste water, and is not intelligent enough and convenient to the pH value adjustment of pickling waste water.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides a pickling wastewater treatment device for seamless steel tube production, which comprises a filter press for preliminary filtration before the pickling wastewater is neutralized, a filter plate for filtration is arranged before lime water enters a neutralization tank for stirring, and sensors for detecting the pH value are arranged in an adjusting tank and the neutralization tank, so that the problems in the background art are solved.
The technical scheme adopted by the utility model is as follows:
a pickling wastewater treatment device for seamless steel pipe production comprises an adjusting box and a neutralizing box, wherein a first speed reducing motor is arranged in the center of the top of the adjusting box, an output shaft of the first speed reducing motor penetrates through the top of the adjusting box and is connected with a first stirring shaft, a plurality of pairs of first stirring plates are arranged along the axial direction of the first stirring shaft, an inclined filter plate is arranged at the lower half part of the adjusting box, a discharge pipe is arranged on the box side wall corresponding to the lowest inclined position of the filter plate, a discharge hole is formed in the box side wall corresponding to the highest inclined position of the filter plate, the discharge hole is connected with one end of a material conveying pipeline, the other end of the material conveying pipeline is communicated with the top of the neutralizing box, a plurality of support rods are arranged at the bottom of the adjusting box, the bottom ends of the plurality of support rods are fixed at the top of the neutralizing box, a liquid inlet pipe is arranged at the top of the neutralizing box, and a filter press is arranged at the upper part of the liquid inlet pipe, the liquid outlet of the filter press is communicated with the liquid inlet of the liquid inlet pipe, the side wall of the neutralization box is provided with a second speed reducing motor, the output shaft of the second speed reducing motor penetrates through the side wall of the neutralization box and is connected with the stirring shaft, a plurality of pairs of second stirring plates are arranged at equal intervals along the axial direction of the second stirring shaft, and the other side wall of the neutralization box is provided with a liquid discharge pipe.
In order to further realize the utility model, a pH value sensor I is arranged on the inner wall of the adjusting box, a display is arranged on the outer wall of the adjusting box, a pH value sensor II is arranged on the inner wall of the neutralizing box, and the pH value sensor I and the pH value sensor II are connected with the display through wires; the pH value of lime water is displayed in real time through a pH value sensor I in the adjusting tank, the pH value is adjusted through adding lime or aqueous solution, the lime or aqueous solution enters the neutralizing tank after the set pH value is reached, a pH value sensor II in the neutralizing tank displays the pH value of acid washing wastewater after the acid washing wastewater is neutralized with the lime water in real time, and the lime water can be stopped being added after the pH value allowed by sewage discharge is reached.
In order to further realize the utility model, the filter plate is provided with filter holes; the filter filters the lime mud in the lime wash, the recycle of being convenient for afterwards.
In order to further realize the utility model, the discharge pipe, the material conveying pipeline and the liquid discharge pipe are all provided with an opening and closing valve; lime water entering the neutralization tank is controlled through an opening and closing valve on the conveying pipeline, lime slag is collected through an opening and closing valve on the discharge pipe, and the discharge of neutralized pickling wastewater is controlled through an opening and closing valve on the discharge pipe.
In order to further realize the utility model, a feeding hopper is arranged on one side of the top of the adjusting box; lime and aqueous solution were poured through a feed funnel.
The utility model has the beneficial effects that: the primary filtration is carried out before the neutralization of the pickling wastewater, so that the subsequent treatment efficiency can be accelerated, and the primary filtration by using a filter press is more economic and convenient compared with the traditional bag filter, because the bag filter needs to be frequently replaced, otherwise, the bag filter is easily blocked by filter residues; add lime and aqueous solution in the regulating cabinet, produce lime wash through the stirring to lime wash entering into in the neutralizing tank filters, has avoided the easy problem of blockking up of equipment pipeline, filterable lime mud can be retrieved and recycled, comes real-time determination pH value through setting up pH valve sensor one and pH valve sensor two in regulating cabinet and neutralizing tank, makes the regulation according to the pH value that detects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the filter plate of the present invention.
The main reference numerals in the figures have the following meanings:
1. the adjusting box, 2, the neutralizing box, 3, gear motor I, 4, mix axle I, 5, stirring board I, 6, filter, 7, arrange the material pipe, 8, conveying pipeline, 9, bracing piece, 10, feed liquor pipe, 11, pressure filter, 12, gear motor II, 13, (mixing) shaft II, 14, stirring board II, 15, the fluid-discharge tube, 16, pH value sensor I, 17, the display, 18, pH value sensor II, 19, the filtration pore, 20, open and close valve, 21, feed hopper.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2: a pickling wastewater treatment device for seamless steel pipe production comprises an adjusting box 1 and a neutralizing box 2, wherein a first speed reduction motor 3 is arranged in the center of the top of the adjusting box 1, an output shaft of the first speed reduction motor 3 penetrates through the top of the adjusting box 1 to be connected with a first stirring shaft 4, a plurality of pairs of first stirring plates 5 are arranged along the axial direction of the first stirring shaft 4, an inclined filtering plate 6 is arranged at the lower half part of the adjusting box 1, a discharging pipe 7 is arranged on the box side wall corresponding to the lowest inclined part of the filtering plate 6, a discharging port is formed in the box side wall corresponding to the highest inclined part of the filtering plate 6 and connected with one end of a material conveying pipeline 8, the other end of the material conveying pipeline 8 is communicated with the top of the neutralizing box 2, a plurality of supporting rods 9 are arranged at the bottom of the adjusting box 1, the bottom ends of the plurality of supporting rods 9 are fixed at the top of the neutralizing box 2, and a liquid inlet pipe 10 is arranged at the top of the neutralizing box 2, the upper part of the liquid inlet pipe 10 is provided with a filter press 11, the liquid outlet of the filter press 11 is communicated with the liquid inlet of the liquid inlet pipe 10, the side wall of the neutralization tank 2 is provided with a second speed reducing motor 12, the output shaft of the second speed reducing motor 12 penetrates through the side wall of the neutralization tank 2 and is connected with a second stirring shaft 13, a plurality of pairs of second stirring plates 14 are arranged along the axial direction of the second stirring shaft 13, and the other side wall of the neutralization tank 2 is provided with a liquid discharge pipe 15.
In the embodiment, a first pH value sensor 16 is arranged on the inner wall of the adjusting box 1, a display 17 is arranged on the outer wall of the adjusting box 1, a second pH value sensor 18 is arranged on the inner wall of the neutralizing box 2, and the first pH value sensor 16 and the second pH value sensor 18 are in electric wire connection with the display 17 through wires; the pH value sensor 16 in the adjusting box 1 transmits a detection value to the display 17, the display 17 displays the pH value of the lime water in real time, the pH value is adjusted by adding lime or aqueous solution, the lime water enters the neutralizing box 2 after reaching the set pH value, the pH value sensor II 8 in the neutralizing box 2 transmits the detection value to the display 17, the display 17 displays the pH value of the neutralized acid washing wastewater and the lime water in real time, and the lime water can be stopped being added after the pH value allowed by sewage discharge is reached.
In this embodiment, the filter plate 6 is provided with filter holes 19; the filter 6 filters lime mud in the lime water, and is convenient for recycling.
In this embodiment, the material discharge pipe 7, the material conveying pipeline 8 and the liquid discharge pipe 15 are all provided with an on-off valve 20; lime water entering the neutralizing tank 2 is controlled by an opening and closing valve 20 on the material conveying pipeline 8, lime slag is collected by an opening and closing valve 20 on the discharging pipe 7, and the neutralized pickling wastewater is controlled to be discharged by an opening and closing valve 20 on the liquid discharging pipe 15.
In this embodiment, a feeding funnel 21 is provided at one side of the top of the adjusting box 1; lime and aqueous solution are poured through the feed funnel 21.
The working principle is as follows: the pickling wastewater is primarily filtered by a filter press 11 before entering a neutralization box 2, a liquid outlet of the filter press 11 is communicated with a liquid inlet of a liquid inlet pipe 10, the filtered pickling wastewater enters the neutralization box 2, lime and aqueous solution are poured in through a feeding funnel 21, a first speed reduction motor 3 is started to stir to generate lime water, the pH value of the generated lime water is transmitted to a display 17 through a first pH value sensor 16 in an adjusting box 1, the display 17 displays the pH value of the lime water in real time, the pH value is adjusted by adding lime or aqueous solution, an opening and closing valve 20 on a material conveying pipeline 8 is started after the set pH value is reached, the lime water enters the neutralization box 2, a second speed reduction motor 12 is started, the second speed reduction motor 12 drives a second stirring shaft 13 and a second stirring plate 14 to rotate, the fusion of the pickling wastewater and the lime water is accelerated, the second pH value sensor 18 in the neutralization box 2 transmits the detected value to the display 17, the PH value after pickling waste water and lime wash neutralization is shown in real time to display 17, can be through the open and close valve 20 on the conveying pipeline 8, control the lime wash that gets into in the neutralization case 2 and adjust the PH value after pickling waste water and lime wash neutralization, can stop adding lime wash after waiting to reach the PH value that sewage discharge allows, the pickling waste water that the neutralization was accomplished can be discharged by fluid-discharge tube 15, carry out subsequent processing, the lime mud in the regulating box 1 is filtered by filter 6, open the open and close valve 20 of arranging material pipe 7, collect recycle with the lime mud.
The method has the advantages that the preliminary filtration is carried out before the neutralization of the pickling wastewater, the subsequent treatment efficiency can be accelerated, the preliminary filtration carried out by the filter press is more economic and convenient compared with the traditional bag filter, the filter press can remove the garbage formed by the filtration more conveniently, the bag filter needs to be frequently replaced, the actual use time is short, and the filter residue is easily blocked by the filter residue when the filter residue is not removed in time; add lime and aqueous solution in the regulating cabinet, produce lime wash through the stirring to lime wash entering into in the neutralizing tank filters, has avoided the easy problem of blockking up of equipment pipeline, filterable lime mud can be retrieved and recycled, comes real-time determination pH value through setting up pH valve sensor one and pH valve sensor two in regulating cabinet and neutralizing tank, makes the regulation according to the pH value that detects.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.
Claims (5)
1. The utility model provides a seamless steel pipe production is with pickling effluent treatment plant which characterized in that: comprises an adjusting box (1) and a neutralizing box (2), wherein a first speed reducing motor (3) is arranged in the center of the top of the adjusting box (1), an output shaft of the first speed reducing motor (3) penetrates through the top of the adjusting box (1) and is connected with a first stirring shaft (4), a plurality of first stirring plates (5) are arranged along the axial direction of the first stirring shaft (4), an inclined filtering plate (6) is arranged at the lower half part of the adjusting box (1), a discharging pipe (7) is arranged on the box side wall corresponding to the lowest inclined part of the filtering plate (6), a discharging port is formed in the box side wall corresponding to the highest inclined part of the filtering plate (6), the discharging port is connected with one end of a material conveying pipeline (8), the other end of the material conveying pipeline (8) is communicated with the top of the neutralizing box (2), and a plurality of supporting rods (9) are arranged at the bottom of the adjusting box (1), the bottom ends of the support rods (9) are fixed to the top of the neutralizing tank (2), a liquid inlet pipe (10) is arranged at the top of the neutralizing tank (2), a filter press (11) is arranged on the upper portion of the liquid inlet pipe (10), a liquid outlet of the filter press (11) is communicated with a liquid inlet of the liquid inlet pipe (10), a second speed reduction motor (12) is arranged on the side wall of the neutralizing tank (2), an output shaft of the second speed reduction motor (12) penetrates through the side wall of the neutralizing tank (2) to be connected with a second stirring shaft (13), a plurality of pairs of stirring plates (14) are arranged in the axial direction of the second stirring shaft (13), and a liquid discharge pipe (15) is arranged on the other side wall of the neutralizing tank (2).
2. The acid pickling wastewater treatment device for the seamless steel tube production as claimed in claim 1, wherein a first pH value sensor (16) is arranged on the inner wall of the adjusting box (1), a display (17) is arranged on the outer wall of the adjusting box (1), a second pH value sensor (18) is arranged on the inner wall of the neutralizing box (2), and the first pH value sensor (16) and the second pH value sensor (18) are in electric connection with the display (17) through leads.
3. The pickling waste water treatment device for seamless steel tube production as claimed in claim 1, wherein the filter plate (6) is provided with filter holes (19).
4. The acid pickling wastewater treatment device for seamless steel tube production as claimed in claim 1, wherein the discharge pipe (7), the delivery pipeline (8) and the drain pipe (15) are all provided with on-off valves (20).
5. The pickling wastewater treatment device for seamless steel pipe production as claimed in claim 1, wherein a feed hopper (21) is arranged on one side of the top of the regulating box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023029415.1U CN215667445U (en) | 2020-12-16 | 2020-12-16 | Pickling wastewater treatment device for seamless steel pipe production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023029415.1U CN215667445U (en) | 2020-12-16 | 2020-12-16 | Pickling wastewater treatment device for seamless steel pipe production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215667445U true CN215667445U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023029415.1U Active CN215667445U (en) | 2020-12-16 | 2020-12-16 | Pickling wastewater treatment device for seamless steel pipe production |
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| Country | Link |
|---|---|
| CN (1) | CN215667445U (en) |
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2020
- 2020-12-16 CN CN202023029415.1U patent/CN215667445U/en active Active
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