CN220026575U - Balance control device for low-concentration sulfur dioxide acid making water - Google Patents
Balance control device for low-concentration sulfur dioxide acid making water Download PDFInfo
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- CN220026575U CN220026575U CN202321594520.0U CN202321594520U CN220026575U CN 220026575 U CN220026575 U CN 220026575U CN 202321594520 U CN202321594520 U CN 202321594520U CN 220026575 U CN220026575 U CN 220026575U
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- water
- water distribution
- pipe
- tower
- cooling tower
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 194
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000002253 acid Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an acid water making balance control device for low-concentration sulfur dioxide, which comprises a high-efficiency washer, a filler cooling tower, a flue gas re-cooling tower, an electric demisting, drying tower, a converter and an absorption tower, wherein the filler cooling tower is communicated with a first dilute acid plate type heat exchanger, the flue gas re-cooling tower is communicated with a second dilute acid plate type heat exchanger, the filler cooling tower comprises a tower body, a motor, a fan, a water distribution device, water spraying fillers, a water passing chassis and an air inlet window, the water distribution device comprises a water distribution main pipe, a plurality of water distribution branch pipes uniformly connected with the side wall of the water distribution main pipe, a plurality of spray heads arranged on the side surface of the water distribution branch pipe, one end of the water distribution branch pipe is communicated with the water distribution branch pipe, the other end of the water distribution branch pipe is connected with the inner side wall of the tower body, a water inlet pipe fixedly penetrates out of the tower body, and a filtering component is arranged between the water inlet pipe and the water distribution main pipe. The utility model has the following advantages and effects: has the effect of automatically filtering the circulating water.
Description
Technical Field
The utility model relates to the technical field of acid making industry, in particular to a balance control device for low-concentration sulfur dioxide acid making water.
Background
At present, the low-concentration sulfur dioxide has the following characteristics: 1. the flue gas amount is large, the SO2 concentration is low and large fluctuation exists. 2. The flue gas temperature is generally higher, and typically the water content of the flue gas is higher. 3. The content of harmful impurities in the flue gas is high. The main problem in the acid production of low-concentration SO2 flue gas is the water balance of the system, because the concentration of the SO2 in the raw material gas is low, the water quantity carried by the flue gas must be reduced when the acid production system produces high-concentration product acid, and the temperature of the purified outlet flue gas must be reduced according to the acid production concentration requirement and the concentration of the low-concentration SO 2. However, in the prior art, a mode of adding a dilute acid plate to a lithium bromide unit or a screw refrigerating unit is adopted for cooling, and the method has the defects of large investment and high energy consumption, and a refrigerating system for maintaining continuous operation of an acid plant is not economically affordable.
Aiming at the problems, the utility model with the authorized publication number of CN111646436A discloses a system for maintaining the balance of low-concentration sulfur dioxide acid making water, which is sequentially provided with a high-efficiency washer, a filler cooling tower, a flue gas re-cooling tower, an electric demisting tower, a drying tower, a converter and an absorption tower along the flow direction of smelting flue gas, wherein the filler cooling tower is communicated with a first dilute acid plate type heat exchanger, the flue gas re-cooling tower is communicated with a second dilute acid plate type heat exchanger, and the second dilute acid plate type heat exchanger is respectively connected with a deep well water supply well and a deep well water re-circulation well to realize the re-filling of the cooled deep well water resource and the cooling of the flue gas. The filler cooling tower in the utility model can cool the circulating water for cooling the sulfur dioxide flue gas, but the circulating water is doped with part of impurity particles in smoke dust in the circulating process of the filler cooling tower and the first dilute acid plate heat exchanger, and is easy to be blocked in filler gaps in the tower when passing through the filler of the cooling tower, so that the cooling effect of the filler cooling tower is reduced after the filler cooling tower is used for a period of time, and the filler in the tower is frequently replaced at the later stage, so that the use cost of the filler cooling tower is greatly increased.
Disclosure of Invention
The utility model aims to provide an equilibrium control device for low-concentration sulfur dioxide acid water production, which has the effect of automatically filtering cooling circulating water.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a be used for low concentration sulfur dioxide to make acid water balance control device, has set gradually high-efficient scrubber, filler cooling tower, flue gas cooling tower, electricity defogging, drying tower, converter and absorption tower along smelting flue gas flow direction, and filler cooling tower and first dilute acid plate heat exchanger are connected, and flue gas cooling tower and second dilute acid plate heat exchanger intercommunication, the filler cooling tower includes the tower body, fixed set up in tower body top motor, rotate set up in the fan of tower body top air outlet and connection motor output, fixed water distribution device and the water spray filler that set up in the tower body inside, fixed water inlet window that sets up in the tower body bottom, set up in the tower body lateral wall and be located water spray filler and water spray chassis between, water distribution device includes water distribution manifold, a plurality of evenly connected water distribution branch pipes of water distribution manifold lateral wall, a plurality of evenly installed in water distribution branch pipe side and towards water spray filler's shower nozzle, water distribution branch pipe one end is connected and is linked together water distribution branch pipe, the other end fixed connection the tower body lateral wall, the external filtration subassembly that has been installed to the filter between inlet tube and the water distribution.
Through adopting above-mentioned technical scheme, when circulating water gets into the filler cooling tower through the inlet tube, can enter into the filter component in the tower at first to filter the separation to impurity wherein, then just can be through water distribution house steward and each water distribution branch pipe again, evenly spray to the trickle filler, and then in the middle of avoiding impurity particle to block up the filler gap in circulating water, can also normally cool down and retrieve for wrapping up in the hot circulating water of holding the flue gas.
The utility model is further provided with: the filter assembly comprises a cylindrical filter water tank, a rotating shaft rotating in the filter water tank and stirring blades uniformly and fixedly connected to the side wall of the rotating shaft, wherein the water distribution main pipe, the filter water tank and the fan are coaxial, the water distribution main pipe is fixedly connected with and communicated with the bottom of the filter water tank, the water inlet pipe is fixedly connected with and communicated with the side wall of the filter water tank, and the rotating shaft rotates to penetrate through the top of the filter water tank and is fixedly connected with the motor output end of the fan.
Through adopting above-mentioned technical scheme, when circulating water gets into the filter tank in the filter module through the inlet tube, can enter into the filter tank in the filter module at first, because the filter cooling tower is at the during operation, can utilize motor drive fan exhaust, and the axis of rotation in the filter module is fixed connection motor output, consequently axis of rotation and stirring vane will filter the high-speed rotation in the water tank, so that the circulating water in the filter tank is centrifugal motion, wherein the great impurity particle of mass in the circulating water is got rid of the inside wall of water tank, again because water distribution house steward, the filter tank is coaxial, and water distribution house steward fixed connection and intercommunication filter tank bottom, so the pure circulating water of filter tank middle part separation impurity will flow into the water distribution house steward, and spray on the water drenching filler at last.
The utility model is further provided with: one end of the water distribution main pipe is fixedly penetrated into the filtering water tank and is higher than the water inlet, the bottom of the filtering water tank is fixedly connected and communicated with a waste discharge pipe, and the waste discharge pipe is fixedly penetrated out of the tower body and is fixedly provided with a valve.
Through adopting above-mentioned technical scheme, can make among the circulating water filtration impurity granule deposit in the filter tank bottom, not only can further circulating water filter effect, but also can cooperate the exhaust pipe, discharge the filter tank with the impurity that the circulating water separates out. Wherein the valve of the waste pipe can be opened only when the filler cooling tower stops working.
The utility model is further provided with: the part of the filtering water tank penetrating around the water distribution main pipe is fixedly provided with a circle of slope.
By adopting the technical scheme, the pure circulating water which is completely separated can be helped to quickly enter the water distribution main pipe, and the connection between the water distribution main pipe and the filtering water tank can be reinforced.
The utility model is further provided with: the stirring blades are positioned above the water distribution main pipe, and the part exceeding the water distribution main pipe is in a bending state.
By adopting the technical scheme, the circulating water in the filtering water tank can be effectively stirred, and the circulating water does not interfere with the water distribution main pipe extending into the filtering water tank.
The beneficial effects of the utility model are as follows: through filtering component in the packing cooling tower, not only can carry out effective filtration separation before circulating water drenches in the middle packing to prevent impurity particle in the circulating water and stop up the filler gap, stirring blade and the axis of rotation of centrifugal stirring in the filtering component in addition, still make full use of motor drive fan work's power rotates, and then reduce the required cost of filtering the circulating water.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of the present embodiment;
FIG. 2 is a schematic view showing the structure of a packed cooling tower according to the present embodiment;
FIG. 3 is an enlarged view at A of FIG. 2;
in the figure, 1, a high-efficiency washer; 2. a packed cooling tower; 21. a tower body; 22. a motor; 23. a fan; 24. a water distribution device; 241. a water distribution main pipe; 242. distributing water and distributing pipes; 243. a spray head; 25. a water inlet pipe; 26. a filter assembly; 261. a filter water tank; 262. a rotating shaft; 263. an agitating blade; 264. a waste discharge pipe; 265. a valve; 266. a ramp; 27. spraying water and filling; 28. a water passing chassis; 29. an air inlet window; 3. a flue gas re-cooling tower; 4. electric defogging; 5. a drying tower; 6. a converter; 7. an absorption tower; 8. a first dilute acid plate heat exchanger; 9. the second dilute acid plate heat exchanger.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Examples: a balance control device for low-concentration sulfur dioxide acid making water is shown in figures 1 and 2, and comprises a high-efficiency washer 1, a filler cooling tower 2, a flue gas re-cooling tower 3, an electric demisting 4, a drying tower 5, a converter 6 and an absorption tower 7 which are sequentially arranged along the flow direction of smelting flue gas, wherein the filler cooling tower 2 is connected with a first dilute acid plate heat exchanger 8, the flue gas re-cooling tower 3 is communicated with a second dilute acid plate heat exchanger 9, the filler cooling tower 2 comprises a tower body 21, a motor 22 fixedly arranged at the top end of the tower body 21, a fan 23 rotationally arranged at an air outlet at the top end of the tower body 21 and connected with the output end of the motor 22, a water distribution device 24 and a water spraying filler 27 fixedly arranged in the tower body 21, a water passing chassis 28 fixedly arranged at the bottom of the tower body 21, an air inlet window 29 arranged on the side wall of the tower body 21 and positioned between the water spraying filler 27 and the water spraying chassis 28, the water distribution device 24 comprises a water distribution main pipe 241, a plurality of water distribution branch pipes 242 which are uniformly connected with the side wall of the water distribution main pipe 241, a plurality of spray heads 243 which are uniformly arranged on the side surface of the water distribution branch pipes 242 and face the water spraying filler 27, one end of each water distribution branch pipe 242 is connected and communicated with the water distribution branch pipe 242, the other end of each water distribution branch pipe is fixedly connected with the inner side wall of the tower body 21, the water inlet pipe 25 is fixedly penetrated into the outside of the tower body 21, a filter assembly 26 is arranged between the water inlet pipe 25 and the water distribution main pipe 241, when circulating water enters the filler cooling tower 2 through the water inlet pipe 25, the circulating water firstly enters the filter assembly 26 in the tower to filter and separate impurities therein, and then the circulating water can be uniformly sprayed to the water spraying filler 27 through the water distribution main pipe 241 and each water distribution branch pipe 242, so that the circulating water which is wrapped by flue gas heat can be cooled and recovered can be normally while avoiding the blockage of impurity particles in the circulating water to the filler gap.
As shown in fig. 2 and 3, the filter assembly 26 includes a cylindrical filter tank 261, a rotation shaft 262 rotating in the filter tank 261, and stirring blades 263 uniformly and fixedly connected to the side wall of the rotation shaft 262, the water distribution main 241, the filter tank 261 and the fan 23 are coaxial, the water distribution main 241 is fixedly connected and communicated with the bottom of the filter tank 261, the water inlet pipe 25 is fixedly connected and communicated with the side wall of the filter tank 261, the rotation shaft 262 rotates out of the top of the filter tank 261 and is fixedly connected with the output end of the motor 22 penetrating through the fan 23, when the circulating water enters the filler cooling tower 2 through the water inlet pipe 25, firstly, the circulating water enters the filter tank 261 in the filter assembly 26, and the motor 22 is utilized to drive the fan 23 to exhaust when the filler cooling tower 2 works, and the rotation shaft 262 in the filter assembly 26 is fixedly connected with the output end of the motor 22, so that the rotation shaft 262 and the stirring blades 263 rotate at high speed in the filter tank 261, thereby the circulating water in the filter tank 261 performs centrifugal motion, wherein the relatively large impurity particles in the circulating water are thrown to the inner side wall of the filter tank 261, and the circulating water is fixedly connected with the water distribution 241, and communicated with the bottom of the filter tank 261, and finally the circulating water is sprayed on the filter tank 261, and the purified water is separated from the filter tank 261.
As shown in fig. 2 and 3, one end of the water distribution main 241 is fixedly inserted into the filtering water tank 261 and is higher than the water inlet, the bottom of the filtering water tank 261 is fixedly connected and communicated with the waste discharge pipe 264, the waste discharge pipe 264 is fixedly inserted out of the tower body 21, and the valve 265 is fixedly installed, so that the filtering impurity particles in the circulating water are precipitated at the bottom of the filtering water tank 261, the filtering effect of the circulating water can be further improved, and the impurities separated from the circulating water can be discharged out of the filtering water tank 261 by being matched with the waste discharge pipe 264. Wherein valve 265 of waste pipe 264 can be opened only when filler cooling tower 2 stops working; the part of the filtering water tank 261 penetrating around the water distribution main pipe 241 is fixedly provided with a circle of slope 266, so that pure circulating water after impurities are separated can be helped to quickly flow into the water distribution main pipe 241, and the connection between the water distribution main pipe 241 and the filtering water tank 261 can be reinforced; the stirring blades 263 are located above the water distribution main 241, and the part of the stirring blades exceeding the water distribution main 241 is in a bending state, so that circulating water in the filtering water tank 261 can be effectively stirred, and the stirring blades do not interfere with the water distribution main 241 extending into the filtering water tank 261.
Claims (5)
1. The utility model provides a be used for low concentration sulfur dioxide to make acid water balance control device, includes along smelting flue gas flow direction has set gradually high-efficient scrubber (1), packing cooling tower (2), flue gas cooling tower (3), electric defogging (4), drying tower (5), converter (6) and absorption tower (7), packing cooling tower (2) are connected with first dilute acid plate heat exchanger (8), flue gas cooling tower (3) and second dilute acid plate heat exchanger (9) intercommunication, packing cooling tower (2) including tower body (21), fixed motor (22) that set up in tower body (21) top, rotate set up in tower body (21) top air outlet and connect fan (23) of motor (22) output, fixed water distribution device (24) and water spray filler (27) that set up in tower body (21) inside, fixed water inlet window (29) that set up in tower body (21) lateral wall and be located between water spray filler (27) and water spray filler (28), its characterized in that water distribution device (241) include water distribution device (241), evenly connect water distribution pipe (242) lateral wall (242) that water spray head (243) are located evenly to water distribution pipe (242), one end of the water distribution branch pipe (242) is connected and communicated with the water distribution branch pipe (242), the other end of the water distribution branch pipe is fixedly connected with the inner side wall of the tower body (21), the water inlet pipe (25) fixedly penetrates into the outer part of the tower body (21), and a filtering component (26) is arranged between the water inlet pipe (25) and the water distribution main pipe (241).
2. The balance control device for low-concentration sulfur dioxide acid making water according to claim 1, wherein: the filter assembly (26) comprises a cylindrical filter water tank (261), a rotating shaft (262) rotating in the filter water tank (261) and stirring blades (263) uniformly and fixedly connected to the side wall of the rotating shaft (262), the water distribution main pipe (241), the filter water tank (261) and the fan (23) are coaxial, the water distribution main pipe (241) is fixedly connected and communicated with the bottom of the filter water tank (261), the water inlet pipe (25) is fixedly connected and communicated with the side wall of the filter water tank (261), the rotating shaft (262) rotates to penetrate through the top of the filter water tank (261), and the fixed connection penetrates through the output end of a motor (22) of the fan (23).
3. The balance control device for low-concentration sulfur dioxide acid making water according to claim 2, wherein: one end of the water distribution main pipe (241) fixedly penetrates into the filtering water tank (261) and is higher than the water inlet, the bottom of the filtering water tank (261) is fixedly connected and communicated with a waste discharge pipe (264), and the waste discharge pipe (264) fixedly penetrates out of the tower body (21) and is fixedly provided with a valve (265).
4. A balance control device for low-concentration sulfur dioxide acid making water according to claim 3, characterized in that: the part of the filtering water tank (261) penetrating around the water distribution main pipe (241) is fixedly provided with a circle of slope (266).
5. The balance control device for low-concentration sulfur dioxide acid making water according to claim 4, wherein: the stirring blades (263) are positioned above the water distribution main pipe (241), and the part exceeding the water distribution main pipe (241) is in a bending state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321594520.0U CN220026575U (en) | 2023-06-20 | 2023-06-20 | Balance control device for low-concentration sulfur dioxide acid making water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321594520.0U CN220026575U (en) | 2023-06-20 | 2023-06-20 | Balance control device for low-concentration sulfur dioxide acid making water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220026575U true CN220026575U (en) | 2023-11-17 |
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ID=88739381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321594520.0U Active CN220026575U (en) | 2023-06-20 | 2023-06-20 | Balance control device for low-concentration sulfur dioxide acid making water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220026575U (en) |
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2023
- 2023-06-20 CN CN202321594520.0U patent/CN220026575U/en active Active
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