CN220071280U - Sulfuric acid preparing system for bromine production - Google Patents
Sulfuric acid preparing system for bromine production Download PDFInfo
- Publication number
- CN220071280U CN220071280U CN202321472679.5U CN202321472679U CN220071280U CN 220071280 U CN220071280 U CN 220071280U CN 202321472679 U CN202321472679 U CN 202321472679U CN 220071280 U CN220071280 U CN 220071280U
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- CN
- China
- Prior art keywords
- sulfuric acid
- static mixer
- water
- storage tank
- 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.)
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 15
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000002253 acid Substances 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 239000013505 freshwater Substances 0.000 claims description 7
- 238000000746 purification Methods 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a sulfuric acid preparation system for bromine production, and relates to the technical field of acid preparation devices. The sulfuric acid preparation system for bromine production comprises a reverse osmosis water purification device, a water storage tank, a concentrated sulfuric acid storage tank and a dilute acid tank; the device also comprises a static mixer, a wastewater discharge pipeline of the reverse osmosis water purifying device is communicated with a water storage tank, the water storage tank is communicated with a water inlet of the static mixer through a delivery pump, an acid inlet of the static mixer is communicated with a concentrated sulfuric acid storage tank, and an outlet of the static mixer is communicated with a dilute acid tank. The system combines the wastewater of the reverse osmosis water purification device with the acid preparation process, saves resources and ensures uniform dilute acid concentration.
Description
Technical Field
The utility model relates to the technical field of acid preparing devices, in particular to a sulfuric acid preparing system for bromine production.
Background
The wastewater treated by the reverse osmosis water purifying device used in the existing bromine production system is completely discharged into an underground drainage canal, the reverse osmosis water purifying device generates wastewater of more than 20000m and directly discharges external drainage resources seriously. In the bromine production process, the sulfuric acid is diluted in the stirring tank, although the process line is shortened, the position of the concentrated sulfuric acid entering the stirring tank is fixed, the conditions of uneven mixing and abrupt change of acid concentration are easy to occur, the stable control of the pH value of the blowing and sucking tower group is not facilitated, and the production stability is affected.
The Chinese patent publication No. CN115814668A discloses a continuous acid preparing device and a method, wherein one acid preparing kettle is connected in series on the basis of preparing dilute sulfuric acid by a single acid preparing kettle to form two-stage acid, so that the problem of uneven stirring is avoided, the equipment investment is increased, and the utility model provides an acid preparing system with different schemes, so that the problem of uneven concentration of the dilute sulfuric acid is solved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a sulfuric acid preparation system for bromine production, which combines the wastewater of a reverse osmosis water purification device with an acid preparation process, saves resources and ensures uniform concentration of dilute acid.
In order to achieve the technical purpose, the utility model adopts the following scheme: the sulfuric acid preparation system for bromine production comprises a reverse osmosis water purification device, a water storage tank, a concentrated sulfuric acid storage tank and a dilute acid tank; the device also comprises a static mixer, a wastewater discharge pipeline of the reverse osmosis water purifying device is communicated with a water storage tank, the water storage tank is communicated with a water inlet of the static mixer through a delivery pump, an acid inlet of the static mixer is communicated with a concentrated sulfuric acid storage tank, and an outlet of the static mixer is communicated with a dilute acid tank.
Compared with the prior art, the utility model has the beneficial effects that: the waste water in the system is recycled and stored and is used for later acid preparation, a static mixer is used for replacing a traditional stirring tank for acid preparation, concentrated sulfuric acid and water are initially contacted at the inlet end of the mixer and are fully mixed and contacted along with flow, and when the waste water finally flows to a dilute acid tank, the concentration is uniform, so that the pH stability of a subsequent blowing and sucking tower group is ensured, and the production index is stable; the annual water consumption of dilute sulfuric acid preparation is about 27000m 3 Reverse osmosis wastewater is recycled for about 23139m of water cost of 3.3 yuan/m of water, and the total production cost is saved for 23139 x 3.3= 76358 yuan all year round.
The preferable scheme of the utility model is as follows:
the water inlet of the static mixer is a port, and the acid inlet is arranged at the side wall of the static mixer, so that concentrated sulfuric acid is ensured to be added into water, and splashing is avoided.
A self-priming tank is connected between the water storage tank and the delivery pump.
Still include fresh water pipeline, fresh water pipeline and static mixer's water inlet intercommunication.
Drawings
Fig. 1 is a schematic connection diagram of a sulfuric acid preparation system for bromine production according to an embodiment of the present utility model;
marked in the figure as: 1. reverse osmosis water purifying device; 2. a water storage tank; 3. a self-priming tank; 4. a high-pressure delivery pump 5 and a fresh water pipeline; 6. a concentrated sulfuric acid storage tank; 7. a static mixer; 8. and a dilute acid pool.
Detailed Description
The present utility model will be described in detail with reference to the following embodiments for a full understanding of the objects, features and effects of the present utility model, but the present utility model is not limited thereto.
As shown in fig. 1, the sulfuric acid preparation system for bromine production provided by the utility model comprises a reverse osmosis water purification device 1, a water storage tank 2, a self-guiding tank 3, a high-pressure conveying pump 4, a concentrated sulfuric acid storage tank 6, a static mixer 7, a dilute acid tank 8 and the like, wherein the reverse osmosis water purification device 1 is provided with a wastewater discharge pipeline, the wastewater discharge pipeline is communicated with the water storage tank 2, the water storage tank 2 is communicated with the self-guiding tank 3 through a pipeline, the self-guiding tank 3 is connected with the high-pressure conveying pump 4 through a pipeline, and the high-pressure conveying pump 4 is communicated with an end water inlet of the static mixer 7 through a pipeline.
Preferably, the water storage tank 2 is a two-stage water storage structure connected in series, wherein the first-stage water storage tank is provided with an overflow pipe and a bottom discharge pipe, the overflow pipe removes impurities floating on the upper layer, and the bottom discharge pipe is communicated with the second-stage water storage tank. The lower part of the second-stage water storage tank is provided with a water outlet pipe, the bottom of the second-stage water storage tank is provided with a discharge pipe, the water outlet pipe is connected with the self-guiding tank 3, the discharge pipe is externally connected to a trench, and impurities deposited in the second-stage water storage tank for a long time are discharged through the discharge pipe. The wastewater generated by the reverse osmosis water purification device 1 is subjected to impurity separation in a two-stage water storage tank.
The side wall of the static mixer 7 is provided with an acid inlet which is communicated with the concentrated sulfuric acid storage tank 6 through a pipeline, so that water is ensured to flow into the static mixer 7 first, and then concentrated sulfuric acid is added into the water, so that splashing is effectively prevented. The connecting pipeline of the high-pressure delivery pump 4 and the static mixer 7 is also communicated with a fresh water pipeline 5, and fresh water still needs to be introduced because the waste water generated by the reverse osmosis purification device 1 can not meet the acid matching requirement.
The static mixer 7 is arranged in parallel and comprises a working group and a standby group, and the outlet of the static mixer 7 is communicated with the dilute acid tank 8 through a pipeline. A static mixing plate is placed in the static mixer 7, and the static mixer 7 adopts a glass static mixer as purchasing equipment. The reverse osmosis water purifying device is also purchasing equipment.
The pipelines involved in the system are all acid corrosion resistant PVC pipes, automatic control valves are arranged on the pipelines, and flow control valves are also arranged on the water inlet, the acid inlet and the outlet connecting pipelines of the static mixer to control the flow quantity of liquid in the system.
The water consumption of dilute sulfuric acid is about 27000m, the annual production wastewater of a 10T reverse osmosis water purifying device is 18750m, the annual production wastewater of a 3T reverse osmosis water purifying device is 4389m, the wastewater replaces the fresh water 23139m for diluting the concentrated sulfuric acid, the water cost is 3.3 yuan/m, and the total annual cost is 23139 x 3.3= 76358 yuan.
Finally, it should be noted that: the above list is only a preferred embodiment of the present utility model, and it is understood that those skilled in the art can make modifications and variations thereto, and it is intended that the present utility model be construed as the scope of the appended claims and their equivalents.
Claims (4)
1. The sulfuric acid preparing system for bromine production includes reverse osmosis water purifier, water tank, concentrated sulfuric acid tank and dilute acid pond; the device is characterized by further comprising a static mixer, wherein a wastewater discharge pipeline of the reverse osmosis water purifying device is communicated with a water storage tank, the water storage tank is communicated with a water inlet of the static mixer through a delivery pump, an acid inlet of the static mixer is communicated with a concentrated sulfuric acid storage tank, and an outlet of the static mixer is communicated with a dilute acid tank.
2. The sulfuric acid preparation system for bromine production of claim 1 wherein the water inlet of the static mixer is a port and the acid inlet is disposed at a side wall of the static mixer.
3. The sulfuric acid preparing system for bromine production of claim 1 wherein a self-priming tank is connected between the water storage tank and the transfer pump.
4. The sulfuric acid preparation system for bromine production of claim 1 further comprising a fresh water line in communication with the water inlet of the static mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472679.5U CN220071280U (en) | 2023-06-12 | 2023-06-12 | Sulfuric acid preparing system for bromine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472679.5U CN220071280U (en) | 2023-06-12 | 2023-06-12 | Sulfuric acid preparing system for bromine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220071280U true CN220071280U (en) | 2023-11-24 |
Family
ID=88829044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321472679.5U Active CN220071280U (en) | 2023-06-12 | 2023-06-12 | Sulfuric acid preparing system for bromine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220071280U (en) |
-
2023
- 2023-06-12 CN CN202321472679.5U patent/CN220071280U/en active Active
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