CN211896068U - Device for producing aluminum sulfate by utilizing recycled waste - Google Patents
Device for producing aluminum sulfate by utilizing recycled waste Download PDFInfo
- Publication number
- CN211896068U CN211896068U CN201922417638.6U CN201922417638U CN211896068U CN 211896068 U CN211896068 U CN 211896068U CN 201922417638 U CN201922417638 U CN 201922417638U CN 211896068 U CN211896068 U CN 211896068U
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- CN
- China
- Prior art keywords
- aluminum
- reaction tank
- waste liquid
- input pipe
- sulfuric acid
- 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.)
- Expired - Fee Related
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 60
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 title claims abstract description 31
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 51
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000010802 sludge Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 15
- 238000004064 recycling Methods 0.000 abstract description 9
- 238000005406 washing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 235000011128 aluminium sulphate Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001679 gibbsite Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model relates to a device for producing aluminum sulfate by utilizing recycled waste, which comprises: a reaction tank, which is provided with an aluminum-containing sludge conveying belt, an aluminum-containing waste liquid input pipe, a steam input pipe and a sulfuric acid-containing waste liquid input pipe, wherein the aluminum-containing sludge is input by the aluminum-containing sludge conveying belt, the aluminum-containing waste liquid is input by the aluminum-containing waste liquid input pipe, steam with the temperature of 150-250 ℃ is input by the steam input pipe, the aluminum-containing sludge and the aluminum-containing waste liquid are mixed and reacted in the tank to form aluminum hydroxide, and then the sulfuric acid-containing waste liquid is input by the sulfuric acid-containing waste liquid input pipe, so that the aluminum hydroxide and sulfuric acid are reacted to form aluminum sulfate; and a filter, the solid-liquid separation is carried out to the product after the reaction in the reaction tank, and the aluminum sulfate solution and the sludge are separated; therefore, the device for producing aluminum sulfate by recycling waste is provided, and the device has the effects of treating waste and recycling resources.
Description
Technical Field
The utility model relates to an utilize device of retrieving waste production aluminum sulfate indicates especially one kind earlier with aluminiferous mud and aluminiferous waste liquid in the reaction tank mixed reaction form aluminium hydroxide, mixes the sulphuric acid waste liquid again and lets aluminium hydroxide and sulphuric acid reaction form aluminum sulfate, at last with the filter with the design of the product separation aluminum sulfate solution after the reaction with mud.
Background
The manufacturing process of the aluminum extruded product comprises the steps of melting, pouring, casting, neutralizing, cutting, alkali washing and the like of an aluminum ingot and alloy metal; wherein the sewage procedure produces an aluminum-containing sludge, the alkaline washing procedure produces an aluminum-containing waste liquor (pH greater than (equal to) 12.5), and the washing or etching procedure produces a sulfuric acid-containing waste liquor (pH less than (equal to) 2). However, if the waste is properly treated, the environmental pollution can be avoided, and the method has the value of resource recycling.
At present, a proper treatment procedure for the waste is not provided at home and abroad, the waste can form a mud shape when meeting rainwater and can not be utilized due to ammonia odor, and the environment is seriously influenced by abandoning the waste, so that the social burden is formed; as the environmental protection consciousness of the people is rising day by day, governments pay attention to the environmental protection, and the recycling of the waste of the aluminum slag becomes the most important aim of manufacturers.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a device for producing aluminum sulfate by recycling waste, which has the functions of waste treatment and resource recycling.
In order to achieve the above function, the utility model provides a device for producing aluminum sulfate by utilizing recycled waste, which is characterized in that the device comprises:
the reaction tank is provided with an aluminum-containing sludge conveying belt, an aluminum-containing waste liquid input pipe, a steam input pipe and a sulfuric acid-containing waste liquid input pipe, wherein the aluminum-containing sludge conveying belt is used for inputting aluminum-containing sludge into the reaction tank, the aluminum-containing waste liquid input pipe is used for inputting aluminum-containing waste liquid into the reaction tank, and the steam input pipe is used for inputting steam with the temperature of 150-250 ℃ into the reaction tank; and
a filter for solid-liquid separation of the product after reaction in the reaction tank.
Wherein, the reaction tank is a tank type reaction tank, and the filter is a plate press filter.
Wherein, the reaction tank is also provided with a sulfuric acid input pipe, and the sulfuric acid input pipe is used for inputting sulfuric acid with the mass concentration ratio of 50-90% into the reaction tank so as to regulate and control the pH value and the temperature in the reaction tank.
Wherein, a washing tower is also provided for treating the sulfuric acid droplet steam generated by the reaction tank, and the treated waste water of the washing tower is returned to the reaction tank for re-reaction.
Thus, the aluminum-containing sludge and the aluminum-containing waste liquid are mixed and reacted in the reaction tank to form aluminum hydroxide, the sulfur-containing waste liquid is mixed to react the aluminum hydroxide with the sulfuric acid to form aluminum sulfate, and finally, the aluminum sulfate solution and the sludge are separated from the reacted product by a filter.
Drawings
FIG. 1 is a schematic view of the production apparatus for producing aluminum sulfate by recycling waste materials.
FIG. 2 is a flow chart of the present invention for producing aluminum sulfate by recycling waste.
FIG. 3 is a schematic view of the reaction tank of the present invention.
FIG. 4 is a schematic view of the filter of the present invention.
Figure 5 is a schematic diagram of a scrub column of the present invention.
Description of reference numerals: 10-groove type reaction tank; 11 an aluminum-containing sludge conveyer belt; 12 an aluminum-containing waste liquid input pipe; 13 a vapor input pipe; 14 a sulfuric acid-containing waste liquid input pipe; 15 a sulfuric acid input pipe; 20 plate press filters; 21 a machine body; 22, pressing plates; 30 washing tower; 40 aluminum sulfate solution; 50 portions of sludge.
Detailed Description
For a full understanding of the present invention, the following detailed description is provided to illustrate the present invention in conjunction with the accompanying drawings. The objects, features and functions of the present invention will be apparent to those skilled in the art from the disclosure of the present specification. It is to be noted that the present invention may be embodied or applied in other specific forms and that various changes and modifications may be made in the details within the description without departing from the spirit of the invention. In addition, the drawings attached to the present invention are only for simple schematic illustration and are not drawn to actual dimensions. The following detailed description will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the technical scope of the present invention.
Referring to fig. 1 and 2, the process for recycling waste to produce aluminum sulfate according to the present invention includes the following steps:
a) batching reaction: mixing aluminum-containing sludge and aluminum-containing waste liquid in a reaction tank, in this embodiment, the reaction tank may be a tank-type reaction tank 10 (or called a tank reactor), and inputting steam of 150-250 ℃ to react to form aluminum hydroxide, wherein the reaction formula is as follows: al (Al)3++3OH-→Al(OH)3In order to ensure enough aluminum material to participate in the reaction, an excessive amount of aluminum material can be further added for the reaction, and the added aluminum material is aluminum ingot or aluminum hydroxide; in this embodiment, the pH of the aluminum-containing waste liquid is greater than (equal to) 12.5, and the following components may be added to the reaction tank 10: reacting water/aluminum hydroxide, washing tower wastewater and cleaning wastewater;
b) a first stage reaction: mixing the sulfuric acid-containing waste liquid in a reaction tank, controlling the reaction temperature at 70-90 ℃, and reacting aluminum hydroxide with sulfuric acid to form aluminum sulfate, wherein the reaction formula is as follows: 2Al (OH)3+3H2SO4→
Al2(SO4)3+6H2O, and the characteristic that aluminum has high solubility at a low pH value is utilized, the pH value is controlled to be 3-5 for reaction at the low pH value, and sulfuric acid with the mass concentration of 50-90% can be further added to control the reaction temperature;
c) a second stage reaction: mixing sulfuric acid-containing waste liquid in a reaction tank, controlling the reaction temperature to be 90-120 ℃, reacting aluminum hydroxide with sulfuric acid to form aluminum sulfate, controlling the specific gravity to be 1.27-1.32 after the reaction is finished, controlling the pH value to be 3-5 under the condition of low pH value by utilizing the characteristic that aluminum has high solubility at low pH value, and further adding 50-90% of sulfuric acid to control the reaction temperature; in this embodiment, the sulfuric acid droplet vapor generated in the reaction tank 10 in steps b) and c) can be treated by a scrubber 30, and the treated scrubber waste water can be used as the additive in step a); and
d) solid-liquid separation is carried out by using a plate press filter 20 to separate an aluminum sulfate solution 40 and sludge 50.
In the step a), the aluminum-containing waste liquid is first filtered after entering the factory, and the liquid and solid can be separated by a plate press filter. The liquid is low-concentration liquid alkali and can be used as wastewater for adjusting the PH. The solid aluminum slag is alumina, and can be put into a reaction tank to react, so that the solid aluminum slag is an aluminum sulfate raw material.
Next, please refer to FIG. 3
As shown in fig. 5, the utility model comprises: a tank-type reaction tank 10, which has an aluminum-containing sludge conveyer belt 11, an aluminum-containing waste liquid input pipe 12, a steam input pipe 13, a sulfuric acid-containing waste liquid input pipe 14 and a sulfuric acid input pipe 15, wherein the aluminum-containing sludge is input from the aluminum-containing sludge conveyer belt 11, the aluminum-containing waste liquid is input from the aluminum-containing waste liquid input pipe 12, and steam of 150-250 ℃ is input from the steam input pipe 13, and the aluminum-containing sludge and the aluminum-containing waste liquid are mixed and reacted in the tank to form aluminum hydroxide, wherein the reaction formula is as follows: al (Al)3++3OH-→Al(OH)3Then, the sulfuric acid-containing waste liquid is input through the sulfuric acid-containing waste liquid input pipe 14, and aluminum hydroxide and sulfuric acid react to form aluminum sulfate, wherein the reaction formula is as follows: 2Al (OH)3+3H2SO4→Al2(SO4)3+6H2O, 50-90% of sulfuric acid can be input from the sulfuric acid input pipe 15 to regulate the pH value and the temperature in the reaction tank; a plate press filter 20, which uses a plurality of press plates 22 on a machine body 21 to carry out solid-liquid separation on the product after the reaction in the tank-type reaction tank 10, and separates an aluminum sulfate solution 40 and sludge 50; and a washing tower 30 for treating the sulfuric acid droplet steam generated by the tank-shaped reaction tank 10, wherein the treated washing tower waste water can be used as an additive ingredient in the step a).
Based on device like this, the utility model discloses earlier aluminium-containing sludge and aluminium-containing waste liquid, the mixed reaction forms aluminium hydroxide, mixes the sulphuric acid waste liquid again to under the condition of appropriate pH value and temperature, let aluminium hydroxide and sulphuric acid reaction form aluminium sulfate, and the aluminium sulfate product can provide the waste water treatment and coagulate the coagulating agent of procedure and use, not only handled multiple wastes material and retrieved the resource that can recycle, and has the efficiency of handling wastes material and resource recovery and recycle.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a utilize device of recovery waste production aluminum sulfate which characterized in that, including:
the reaction tank is provided with an aluminum-containing sludge conveying belt, an aluminum-containing waste liquid input pipe, a steam input pipe and a sulfuric acid-containing waste liquid input pipe, wherein the aluminum-containing sludge conveying belt is used for inputting aluminum-containing sludge into the reaction tank, the aluminum-containing waste liquid input pipe is used for inputting aluminum-containing waste liquid into the reaction tank, and the steam input pipe is used for inputting steam with the temperature of 150-250 ℃ into the reaction tank; and
a filter for solid-liquid separation of the product after reaction in the reaction tank.
2. The apparatus for producing aluminum sulfate from recycled waste as set forth in claim 1, wherein the reaction tank is a tank type reaction tank, and the filter is a plate press filter.
3. The apparatus for producing aluminum sulfate from recycled waste as claimed in claim 1 or 2, wherein the reaction tank further comprises a sulfuric acid inlet pipe for introducing sulfuric acid having a concentration ratio of 50 to 90% by mass into the reaction tank to control the pH and temperature in the reaction tank.
4. The apparatus for producing aluminum sulfate from recycled waste as claimed in claim 3, further comprising a scrubber for treating the vapor of sulfuric acid droplets generated from the reaction tank, wherein the waste water from the scrubber is returned to the reaction tank for further reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417638.6U CN211896068U (en) | 2019-12-27 | 2019-12-27 | Device for producing aluminum sulfate by utilizing recycled waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417638.6U CN211896068U (en) | 2019-12-27 | 2019-12-27 | Device for producing aluminum sulfate by utilizing recycled waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211896068U true CN211896068U (en) | 2020-11-10 |
Family
ID=73294870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922417638.6U Expired - Fee Related CN211896068U (en) | 2019-12-27 | 2019-12-27 | Device for producing aluminum sulfate by utilizing recycled waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211896068U (en) |
-
2019
- 2019-12-27 CN CN201922417638.6U patent/CN211896068U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |