CN204848324U - Processing apparatus that abraum salt is sour - Google Patents
Processing apparatus that abraum salt is sour Download PDFInfo
- Publication number
- CN204848324U CN204848324U CN201520646853.2U CN201520646853U CN204848324U CN 204848324 U CN204848324 U CN 204848324U CN 201520646853 U CN201520646853 U CN 201520646853U CN 204848324 U CN204848324 U CN 204848324U
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- CN
- China
- Prior art keywords
- liquid separator
- gas
- zone
- waste
- iron
- 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
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- 150000003839 salts Chemical class 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 46
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 44
- 239000002699 waste material Substances 0.000 claims description 38
- 229910052742 iron Inorganic materials 0.000 claims description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 18
- 239000006200 vaporizer Substances 0.000 claims description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 4
- 239000013078 crystal Substances 0.000 abstract description 7
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 abstract description 6
- 229960002089 ferrous chloride Drugs 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 abstract 3
- 238000000034 method Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a processing apparatus that abraum salt is sour, preheat district, disengagement zone and crystal region including what connect gradually, be equipped with spent acid jar and clean water tank and organize with the heating that above -mentioned spent acid jar and clean water tank are connected on preheating the district, the disengagement zone all is equipped with an evaporimeter including the vapour and liquid separator, the 2nd vapour and liquid separator and the 3rd vapour and liquid separator that connect gradually on every vapour and liquid separator, every evaporimeter also is interconnected simultaneously, is connected with the cooler at a vapour and liquid separator's top, and the other end of this cooler links to each other with the vacuum pump, the crystal region includes crystallizer and crystallizing pond, crystallizing pond's back still is connected with the iron chloride reaction zone. Its technological effect preheats district, disengagement zone, crystal region and iron chloride reaction zone, the final integrated treatment that realizes abraum salt acid through the setting for abraum salt acid is followed 1% original concentration and is become 15% again, obtains ferrous chloride crystal and iron chloride simultaneously, has commercial value.
Description
Technical field
The utility model relates to the treatment unit of a kind of waste disposal plant, particularly waste hydrochloric acid.
Background technology
A lot of hydrochloric waste water can be produced in ferrous metallurgy technological process, nonferrous metallurgical process, process for processing iron and steel process, as the spent pickle liquor in rolling process and iron and steel processing, and the waste hydrochloric acid that non-ferrous metal metallurgy Ore Leaching process produces, such waste hydrochloric acid has following characteristics: high containing concentration of iron, has certain excess acidity.But the process at present for this kind of waste liquid does not still have good specific aim method, the valuable substance in waste liquid is not also recycled well simultaneously, cause the waste in resource.
Utility model content
The purpose of this utility model provides a kind for the treatment of unit that can realize the waste hydrochloric acid of waste hydrochloric acid recycling to solve above-mentioned the deficiencies in the prior art.
To achieve these goals, the treatment unit of the waste hydrochloric acid designed by the utility model, comprise connect successively pre-add hot-zone, disengaging zone and crystallizing field, described pre-add hot-zone be provided with waste acid pot and clean water tank and with above-mentioned waste acid pot and the tank connected heating group of clear water, described heating group is made up of the heating of two series connection; Described disengaging zone comprises the first gas-liquid separator, the second gas-liquid separator and the 3rd gas-liquid separator that connect successively, each gas-liquid separator being equipped with one for gas-liquid separator provides the vaporizer of heat, each vaporizer also interconnects simultaneously, be connected with water cooler at the top of the first gas-liquid separator, the other end of this water cooler is connected with vacuum pump; Described crystallizing field comprises crystallizer and crystallizing pond, and above-mentioned crystallizer is connected with the bottom of the 3rd gas-liquid separator.
Iron(ic) chloride reaction zone is also connected with after described crystallizing pond, described iron(ic) chloride reaction zone comprises chlorine storage tank, two interconnection reaction members and iron(ic) chloride storage tank, described chlorine storage tank is communicated with each reaction member by pipeline, is provided with end to end reactor, reflux pump and plate-type condenser in each reaction member simultaneously.
In concrete use procedure, waste hydrochloric acid enters in waste acid pot, then entering together with clean water tank preheats in group, after the heating of two well heaters, spent acid is successively through the first gas-liquid separator, second gas-liquid separator and the 3rd gas-liquid separator, steam enters from opposite side simultaneously, reverse through each vaporizer, be specially the vaporizer that the 3rd gas-liquid separator connects and obtain heat at first, then the secondary steam produced is introduced in the vaporizer that the second gas-liquid separator connects, again be used as heating source, therefore steam goes forward one by one forward successively, final steam is gone out from the top of the first gas-liquid separator and is entered into cooling device, thus obtain hydrochloric acid liquid.The solution of ferrous chloride obtained after three gas-liquid separations then enters into crystallizing pond by the evaporation process of crystallizer to start crystallization and finally obtains iron protochloride crystal, a part of uncrystallized protochloride iron rule enters iron(ic) chloride reaction zone in addition, by carrying out reacting finally obtaining iron(ic) chloride with chlorine.
In order to the spent acid in waste acid pot overflows, be also connected with buffer tank by upflow tube at the top of waste liquid tank, buffer tank is also connected with heating group simultaneously.
The treatment unit of the waste hydrochloric acid that the utility model obtains, its technique effect is by arranging pre-add hot-zone, disengaging zone, crystallizing field and iron(ic) chloride reaction zone, final realization is to the comprehensive treating process of waste hydrochloric acid, waste hydrochloric acid is made again to become 15% from original 1% concentration, obtain iron protochloride crystal and iron(ic) chloride simultaneously, there is commercial value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treatment unit of the waste hydrochloric acid of embodiment 1;
Fig. 2 is the structural representation of iron(ic) chloride reaction zone in the treatment unit of the waste hydrochloric acid of embodiment 1;
Fig. 3 is the structural representation of the treatment unit of the waste hydrochloric acid of embodiment 2.
In figure: pre-add hot-zone 1, disengaging zone 2, crystallizing field 3, waste acid pot 4, clean water tank 5, heating group 6, first gas-liquid separator 7, second gas-liquid separator 8, the 3rd gas-liquid separator 9, vaporizer 10, water cooler 11, vacuum pump 12, crystallizer 13, crystallizing pond 14, iron(ic) chloride reaction zone 15, chlorine storage tank 16, reaction member 17, iron(ic) chloride storage tank 18, reactor 19, reflux pump 20, plate-type condenser 21, pre-heaters 22, buffer tank 23.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As shown in Figure 1, the treatment unit of the waste hydrochloric acid that the present embodiment provides, comprise connect successively pre-add hot-zone 1, disengaging zone 2 and crystallizing field 3, the heating group 6 that described pre-add hot-zone 1 is provided with waste acid pot 4 and clean water tank 5 and is connected with above-mentioned waste acid pot 4 and clean water tank 5, described heating group 6 is made up of the pre-heaters 22 of two series connection; Described disengaging zone 2 comprises the first gas-liquid separator 7, second gas-liquid separator 8 and the 3rd gas-liquid separator 9 that connect successively, each gas-liquid separator being equipped with one for gas-liquid separator provides the vaporizer 10 of heat, each vaporizer 10 also interconnects simultaneously, also be connected with water cooler 11 at the top of the first gas-liquid separator 7 in addition, the other end of this water cooler 11 is connected with vacuum pump 12; Described crystallizing field 3 comprises crystallizer 13 and crystallizing pond 14, and above-mentioned crystallizer 13 is connected with the bottom of the 3rd gas-liquid separator 9.
As shown in Figure 2, iron(ic) chloride reaction zone 15 is also connected with after described crystallizing pond 14, described iron(ic) chloride reaction zone 15 comprises chlorine storage tank 16, two interconnection reaction members 17 and iron(ic) chloride storage tank 18, described chlorine storage tank 16 is communicated with each reaction member 17 by pipeline, is provided with end to end reactor 19, reflux pump 20 and plate-type condenser 21 in each reaction member 17 simultaneously.
In concrete use procedure, waste hydrochloric acid enters in waste acid pot 4, then enter together with clean water tank 5 in heating group 6, after the heating of two pre-heaterss 23, spent acid is successively through the first gas-liquid separator 7, second gas-liquid separator 8 and the 3rd gas-liquid separator 9, steam enters from opposite side simultaneously, reverse through each vaporizer 10, be specially the vaporizer 10 that the 3rd gas-liquid separator 9 connects and obtain heat at first, then the secondary steam produced is introduced in the vaporizer 10 that the second gas-liquid separator 8 connects, again be used as heating source, therefore steam goes forward one by one forward successively, final steam is gone out from the top of the first gas-liquid separator 7 and is entered into cooling 11 device, thus obtain hydrochloric acid liquid.The solution of ferrous chloride obtained after three gas-liquid separations then enters into crystallizing pond 14 by the evaporation process of crystallizer 13 to start crystallization and finally obtains iron protochloride crystal, a part of uncrystallized protochloride iron rule enters iron(ic) chloride reaction zone 15 in addition, by carrying out reacting finally obtaining iron(ic) chloride with chlorine.
Embodiment 2:
As shown in Figure 3, the treatment unit of the waste hydrochloric acid that the present embodiment provides, its general structure is identical with embodiment 1, but in concrete use procedure, in order to the spent acid in waste acid pot 4 overflows, be also connected with buffer tank 23 by upflow tube at the top of waste liquid tank 4, buffer tank 23 is also connected with heating group 6 simultaneously.
Claims (3)
1. the treatment unit of a waste hydrochloric acid, comprise connect successively pre-add hot-zone (1), disengaging zone (2) and crystallizing field (3), it is characterized in that: the heating group (6) that described pre-add hot-zone (1) is provided with waste acid pot (4) and clean water tank (5) and is connected with above-mentioned waste acid pot (4) and clean water tank (5); Described disengaging zone (2) comprises the first gas-liquid separator (7), the second gas-liquid separator (8) and the 3rd gas-liquid separator (9) that connect successively, each gas-liquid separator being equipped with one for gas-liquid separator provides the vaporizer (10) of heat, each vaporizer (10) also interconnects simultaneously, also be connected with water cooler (11) at the top of the first gas-liquid separator (7) in addition, the other end of this water cooler (11) is connected with vacuum pump (12); Described crystallizing field (3) comprises crystallizer (13) and crystallizing pond (14), and above-mentioned crystallizer (13) is connected with the bottom of the 3rd gas-liquid separator (9); Iron(ic) chloride reaction zone (15) is also connected with after described crystallizing pond (14), described iron(ic) chloride reaction zone (15) comprises chlorine storage tank (16), two interconnection reaction members (17) and iron(ic) chloride storage tank (18), described chlorine storage tank (16) is communicated with each reaction member (17) by pipeline, is provided with end to end reactor (19), reflux pump (20) and plate-type condenser (21) in each reaction member (17) simultaneously.
2. the treatment unit of waste hydrochloric acid according to claim 1, is characterized in that: described heating group (6) is made up of the pre-heaters (22) of two series connection.
3. the treatment unit of waste hydrochloric acid according to claim 1 and 2, is characterized in that: be also connected with buffer tank (23) by upflow tube at the top of waste liquid tank (4), and buffer tank (23) is also connected with heating group (6) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646853.2U CN204848324U (en) | 2015-08-26 | 2015-08-26 | Processing apparatus that abraum salt is sour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646853.2U CN204848324U (en) | 2015-08-26 | 2015-08-26 | Processing apparatus that abraum salt is sour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204848324U true CN204848324U (en) | 2015-12-09 |
Family
ID=54738896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646853.2U Expired - Fee Related CN204848324U (en) | 2015-08-26 | 2015-08-26 | Processing apparatus that abraum salt is sour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204848324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275727A (en) * | 2018-02-07 | 2018-07-13 | 宁波天大工程设计有限公司 | A kind of spent acid treatment process and equipment |
-
2015
- 2015-08-26 CN CN201520646853.2U patent/CN204848324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275727A (en) * | 2018-02-07 | 2018-07-13 | 宁波天大工程设计有限公司 | A kind of spent acid treatment process and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |