CN211078574U - Hot galvanizing production wastewater treatment device - Google Patents
Hot galvanizing production wastewater treatment device Download PDFInfo
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- CN211078574U CN211078574U CN201921310624.8U CN201921310624U CN211078574U CN 211078574 U CN211078574 U CN 211078574U CN 201921310624 U CN201921310624 U CN 201921310624U CN 211078574 U CN211078574 U CN 211078574U
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Abstract
The utility model discloses a hot galvanizing production wastewater treatment device, which comprises a tank body, wherein a first water distribution ring and a second water distribution ring are arranged on the lower side of the upper wall in the tank body, the first water distribution ring is connected with an acid water inlet pipe, the second water distribution ring is connected with an alkali water inlet pipe, the upper side of the tank body is provided with a motor, the lower side of the motor is connected with a rotating shaft, the rotating shaft vertically extends into the tank body, the outer side of the rotating shaft is provided with stirring blades, the lower part of the tank body is provided with a conical sedimentation disk, the middle part of the sedimentation disk is provided with through holes, an axle seat is arranged above the middle part of the sedimentation disk, a support rod is arranged between the axle seat and the sedimentation disk, the upper side of the sedimentation disk is provided with a; the utility model discloses an buck produces acid waste water to the hot-galvanize and carries out the precipitation treatment, and stirring misce bene deposits fast, realizes the collection of sediment and keeps apart, avoids stirring to disturb the sediment, prolongs the cycle of decontaminating.
Description
Technical Field
The utility model belongs to the technical field of hot-galvanize auxiliary assembly, in particular to hot-galvanize waste water treatment device.
Background
Hot dip galvanizing also known as hot dip galvanizing and hot dip galvanizing: the method is an effective metal corrosion prevention mode and is mainly used for metal structure facilities in various industries. The steel member after rust removal is immersed in molten zinc at about 500 ℃ to enable a zinc layer to be attached to the surface of the steel member, so that the aim of corrosion prevention is fulfilled. The hot galvanizing process flow comprises the following steps: pickling a finished product, washing with water, adding a plating assistant solution, drying, plating on a rack, cooling, medicating, cleaning, polishing and hot galvanizing.
Hot dip galvanizing is usually carried out by a hydrochloric acid pickling process, and hydrochloric acid and steel are dissolved and stripped to remove oxidation components so as to achieve the effect of hot dip galvanizing. The hydrochloric acid loses its effect over a long period of time and becomes waste acid, which must be treated before being discharged. The waste acid is usually neutralized by 35% sodium hydroxide solution, and precipitates are generated in the treatment process. The existing sedimentation device is often provided with a mud scraper at the bottom, but the stirring in the reaction process is easy to cause partial sedimentation to be mixed with mixed liquid again, frequent cleaning sedimentation is needed, and the promotion of the wastewater treatment effect is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot-galvanize waste water treatment device improves the waste water treatment effect, and the stirring misce bene deposits fast, realizes the collection of sediment and keeps apart, avoids stirring to disturb and deposits, prolongs the cycle of decontaminating.
In order to achieve the above object, the utility model provides a following technical scheme: a hot galvanizing production wastewater treatment device comprises a tank body, wherein a first water distribution ring and a second water distribution ring are arranged on the lower side of the inner upper wall of the tank body, cavities are respectively arranged in the first water distribution ring and the second water distribution ring, the first water distribution ring is connected with an acid water inlet pipe, the second water distribution ring is connected with an alkali water inlet pipe, the acid water inlet pipe and the alkali water inlet pipe are respectively provided with a first speed regulating valve and a second speed regulating valve, first lower water pipes are uniformly distributed on the circumference of the lower side of the first water distribution ring, second lower water pipes are uniformly distributed on the circumference of the lower side of the second water distribution ring, an exhaust valve is also arranged on the upper wall of the tank body, a motor is arranged on the upper side of the tank body, a rotating shaft is connected to the lower side of the motor, the rotating shaft vertically extends into the tank body, stirring blades are arranged on the outer side of the rotating, air guide cover lower part circumference equipartition inlet port, jar body middle part still is provided with the outlet pipe, go out the water piping connection water pump, jar body lower part is provided with conical precipitation dish, precipitation dish middle part is provided with the through-hole, precipitation dish reduces from edge to through-hole gradually, precipitation dish middle part top is provided with the rotatory axle bed of support pivot, be provided with branch between axle bed and the precipitation dish, precipitation dish upside is provided with the scraper blade, be connected with the connecting rod between scraper blade and the pivot, precipitation dish middle part downside is provided with the stand pipe, the stand pipe is concentric with the through-hole that precipitates the dish, stand pipe equipartition through-hole.
Preferably, the outer diameter of the second water distribution ring is smaller than the inner diameter of the first water distribution ring, and the first water distribution ring and the second water distribution ring are concentric.
Preferably, the number of the stirring blades is at least two.
Preferably, the water outlet pipe is arranged on the upper side of the air guide cover.
Preferably, the bottom of the tank body is conical.
Preferably, the number of the connecting rods and the scraper plates is two, the connecting rods are symmetrically arranged on two sides of the rotating shaft, and the scraper plates are attached to the upper surface of the settling plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model arranges the sedimentation disc at the lower part of the tank body, the scraper scrapes the sediment to the bottom of the tank body, the sedimentation disc realizes the separation of the stirring area and the sedimentation area in the tank body, thereby being beneficial to the static state of the sedimentation area, improving the wastewater treatment effect and prolonging the cleaning period of the sediment;
the utility model makes the waste acid water and the alkaline water mixed evenly through the first water distribution ring and the second water distribution ring, and further mixes the alkaline water through the stirring blades, which is beneficial to fully processing the waste acid water; the utility model discloses a production that air feed promoted the sediment in to the reaction liquid has promoted the waste water treatment effect.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic bottom view of the first water distribution ring and the second water distribution ring of the present invention.
Fig. 3 is a schematic view of the top view structure of the support rod of the present invention.
Fig. 4 is a schematic side view of the guide tube of the present invention.
In the figure: 1. the water-saving sewage treatment device comprises a tank body, 2, a first water distribution ring, 3, a first sewer pipe, 4, an acid water inlet pipe, 5, a first speed regulating valve, 6, a second water distribution ring, 7, a second sewer pipe, 8, an alkaline water inlet pipe, 9, a second speed regulating valve, 10, an exhaust valve, 11, a motor, 12, a rotating shaft, 13, a stirring blade, 14, an air guide cover, 15, an air inlet hole, 16, an air inlet pipe, 17, an air pump, 18, an outlet pipe, 19, a water pump, 20, a settling disc, 21, a support rod, 22, a shaft seat, 23, a scraper blade, 24, a connecting rod, 25, a guide pipe, 26 and a slag discharge pipe.
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. 1-4, the present embodiment provides a wastewater treatment device for hot galvanizing production, comprising a tank 1, wherein a first water distribution ring 2 and a second water distribution ring 6 are disposed on the lower side of the inner upper wall of the tank 1, cavities are disposed in the first water distribution ring 2 and the second water distribution ring 6, the first water distribution ring 2 is connected to a water inlet pipe 4, the second water distribution ring 6 is connected to an alkaline water inlet pipe 8, the acid water inlet pipe 4 and the alkaline water inlet pipe 8 are respectively provided with a first speed regulating valve 5 and a second speed regulating valve 9, first lower water pipes 3 are uniformly distributed on the lower circumference of the first water distribution ring 2, second lower water pipes 7 are uniformly distributed on the lower circumference of the second water distribution ring 6, an exhaust valve 10 is further disposed on the upper wall of the tank 1, a motor 11 is disposed on the upper side of the tank 1, a rotating shaft 12 is connected to the lower side of the motor 11, the rotating shaft 12 vertically extends into the tank 1, stirring blades 13 are, an annular cavity is formed by enclosing the air guide cover 14 and the tank body 1, the annular cavity is communicated with an air inlet pipe 16, the air inlet pipe 16 is connected with an air pump 17, air inlet holes 15 are uniformly distributed on the circumference of the lower portion of the air guide cover 14, a water outlet pipe 18 is further arranged in the middle of the tank body 1, the water outlet pipe 18 is connected with a water pump 19, a conical precipitation disc 20 is arranged on the lower portion of the tank body 1, a through hole is formed in the middle of the precipitation disc 20, the precipitation disc 20 is gradually lowered from the edge to the through hole, a shaft seat 22 supporting the rotation shaft 12 to rotate is arranged above the middle of the precipitation disc 20, a support rod 21 is arranged between the shaft seat 22 and the precipitation disc 20, a scraper 23 is arranged on the upper side of the precipitation disc 20, a connecting rod 24 is connected between the scraper 23 and the rotation.
In this embodiment, the outer diameter of the second water distribution ring 6 is smaller than the inner diameter of the first water distribution ring 2, and the first water distribution ring 2 and the second water distribution ring 6 are concentric.
In this embodiment, the number of the stirring blades 13 is at least two.
In this embodiment, the water outlet pipe 18 is disposed on the upper side of the air guide cover 14.
In this embodiment, the bottom of the tank 1 is tapered.
In this embodiment, the number of the connecting rods 24 and the number of the scrapers 23 are two, the connecting rods 24 are symmetrically arranged on two sides of the rotating shaft 12, and the scrapers 23 are attached to the upper surface of the settling pan 20.
The utility model discloses a theory of operation: waste acid water is injected into a first water distribution ring 2 through an acid water inlet pipe 4, the waste acid water is uniformly guided into a tank body 1 through a first sewer pipe 3 on the lower side of the first water distribution ring 2, prepared sodium hydroxide and alkaline water are uniformly guided into the tank body 1 through a second water distribution ring 6 and a second sewer pipe 7, a first speed regulating valve 5 and a second speed regulating valve 9 control the flow velocity, so that the mixing of the acid water and the alkaline water is facilitated, a motor 11 drives a rotating shaft 12 and a stirring blade 13 to rotate at a certain speed, the sufficient mixing of the acid water and the alkaline water is promoted, sodium chloride is generated by reaction, ferric ions in the waste acid water react to generate ferric hydroxide and ferrous hydroxide precipitate, an air pump 17 is sufficiently mixed with liquid in the tank body 1 through an air inlet pipe 16 and an air inlet hole 15 to provide oxygen; the sediment is accumulated on the upper side of the sedimentation disc 20, the rotating shaft 12 drives the scraper 23 to rotate so as to lead the sediment into the through hole of the sedimentation disc 20 through the space between the supporting rods 21, the sediment descends to the bottom of the tank body 1 through the guide pipe 25, the stirring on the upper part of the tank body 1 has small interference on the sediment at the bottom of the tank body 1 due to the isolation effect of the sedimentation disc 20, and the treatment effect of the waste acid water is improved; the water pump 19 discharges the treated liquid through the water discharge pipe 18, and the sediment is discharged periodically through the sediment discharge pipe 26; the exhaust valve 10 ensures the safety of the tank body 1, and the through hole of the guide pipe 25 facilitates the upward backflow of the lower liquid when the sediment descends.
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 (6)
1. The utility model provides a hot galvanizing production effluent treatment plant, includes a jar body, its characterized in that: the water-saving and energy-saving water-saving gas tank is characterized in that a first water distribution ring and a second water distribution ring are arranged on the lower side of the inner upper wall of the tank body, cavities are formed in the first water distribution ring and the second water distribution ring, the first water distribution ring is connected with an acid water inlet pipe, the second water distribution ring is connected with an alkaline water inlet pipe, the acid water inlet pipe and the alkaline water inlet pipe are respectively provided with a first speed regulating valve and a second speed regulating valve, first downpipes are uniformly distributed on the circumference of the lower side of the first water distribution ring, second downpipes are uniformly distributed on the circumference of the lower side of the second water distribution ring, an exhaust valve is further arranged on the upper wall of the tank body, a motor is arranged on the upper side of the tank body, a rotating shaft is connected with the lower side of the motor and vertically extends into the tank body, stirring blades are arranged on the outer side of the rotating shaft, an annular gas, go out the water piping connection water pump, jar body lower part is provided with conical precipitation dish, precipitation dish middle part is provided with the through-hole, precipitation dish reduces from edge to through-hole gradually, precipitation dish middle part top is provided with the rotatory axle seat of support pivot, be provided with branch between axle seat and the precipitation dish, precipitation dish upside is provided with the scraper blade, be connected with the connecting rod between scraper blade and the pivot, precipitation dish middle part downside is provided with the stand pipe, the stand pipe is concentric with the through-hole that precipitates the dish, stand pipe equipartition through-hole, jar body bottom is provided with the scum pipe.
2. The hot galvanizing production wastewater treatment device according to claim 1, characterized in that: the outer diameter of the second water distribution ring is smaller than the inner diameter of the first water distribution ring, and the first water distribution ring and the second water distribution ring are concentric.
3. The hot galvanizing production wastewater treatment device according to claim 1, characterized in that: the number of the stirring blades is at least two.
4. The hot galvanizing production wastewater treatment device according to claim 1, characterized in that: the water outlet pipe is arranged on the upper side of the air guide cover.
5. The hot galvanizing production wastewater treatment device according to claim 1, characterized in that: the bottom of the tank body is conical.
6. The hot galvanizing production wastewater treatment device according to claim 1, characterized in that: the quantity of connecting rod and scraper blade is two, and the connecting rod symmetry sets up in the pivot both sides, and the scraper blade laminating is in the setting dish upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310624.8U CN211078574U (en) | 2019-08-14 | 2019-08-14 | Hot galvanizing production wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310624.8U CN211078574U (en) | 2019-08-14 | 2019-08-14 | Hot galvanizing production wastewater treatment device |
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| CN211078574U true CN211078574U (en) | 2020-07-24 |
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| CN201921310624.8U Active CN211078574U (en) | 2019-08-14 | 2019-08-14 | Hot galvanizing production wastewater treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157108A (en) * | 2020-09-09 | 2021-01-01 | 杭州灰弘环保科技有限公司 | Household garbage incineration fly ash pulping and washing device and pulping and washing method thereof |
-
2019
- 2019-08-14 CN CN201921310624.8U patent/CN211078574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157108A (en) * | 2020-09-09 | 2021-01-01 | 杭州灰弘环保科技有限公司 | Household garbage incineration fly ash pulping and washing device and pulping and washing method thereof |
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