CN206985766U - A kind of desulfurization wastewater enrichment facility - Google Patents
A kind of desulfurization wastewater enrichment facility Download PDFInfo
- Publication number
- CN206985766U CN206985766U CN201720886636.XU CN201720886636U CN206985766U CN 206985766 U CN206985766 U CN 206985766U CN 201720886636 U CN201720886636 U CN 201720886636U CN 206985766 U CN206985766 U CN 206985766U
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- Prior art keywords
- flue gas
- waste water
- gas inlet
- tower
- desulfurization waste
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 61
- 230000023556 desulfurization Effects 0.000 title claims abstract description 61
- 239000002351 wastewater Substances 0.000 title claims abstract description 60
- 238000005507 spraying Methods 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims description 160
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 159
- 239000007788 liquid Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 21
- 230000008020 evaporation Effects 0.000 abstract description 20
- 239000000779 smoke Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model proposes a kind of desulfurization wastewater enrichment facility, it includes a tower body being disposed vertically, and the tower body bottom is provided with the tower basin for storing desulfurization wastewater, and the tower basin is provided with dope outlet.The second spray equipment is provided with above the tower basin, second circulation pump is connected with by pipeline between second spray equipment and the tower basin, the both sides up and down of second spray equipment are respectively arranged with gas approach and exhanst gas outlet, the first spray equipment is provided with the gas approach, first circulation pump is connected with by pipeline between first spray equipment and the tower basin, desulfurization wastewater feeding-passage is connected with the tower body or the passage being connected with the tower body, the gas approach is connected by smoke input chamber road with flue.A kind of desulfurization wastewater enrichment facility provided by the utility model, using two sections of spraying and sprinkling evaporation modes, can improve evaporation and concentration efficiency.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field, in particular to utilize flue gas waste heat to carry out concentrated device of desulfurization waste water.
Background
Utilize boiler flue gas to carry out the device of usage such as desulfurization waste water evaporative concentration in the existing market, generally adopt the spray column structure, its structure includes the tube-shape body of tower usually, is provided with the tower pond at the bottom of the body of tower, and the body of tower corresponds tower pond upper portion and is provided with an air inlet, and the body of tower top is provided with the gas outlet, and the body of tower corresponds and is provided with the shower in the middle of air inlet and the gas outlet, is provided with the shower nozzle on the shower, and the body of tower outside still is provided with the pipe of connecting tower pond and shower, is. The waste water is sprayed down from the spray pipe and is subjected to heat exchange reaction with rising flue gas entering the tower body from the gas inlet, so that the purpose of evaporation and concentration is achieved. There are the following major problems: firstly, only set up the spray set who is located tower body upper portion usually in the spray column, tower body inner space utilization is low. Secondly, the flue gas inlet of the spray tower is generally arranged on one side, the gas inlet is unbalanced, and the efficiency of the spray tower is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a desulfurization waste water enrichment facility to reduce or avoid the aforementioned problem.
In order to solve the technical problem, the utility model provides a desulfurization waste water enrichment facility, it includes a tower body of placing perpendicularly, the tower body bottom is provided with the tower pond that is used for saving desulfurization waste water, the tower pond is provided with the concentrate export. The utility model discloses a desulfurization tower, including tower body, tower pond, second spray set, flue gas inlet and flue gas outlet, the tower pond top is provided with the second spray set, the second spray set with there is the second circulating pump through pipe connection between the tower pond, the upper and lower both sides of second spray set are provided with flue gas inlet and exhanst gas outlet respectively, flue gas inlet department is provided with first spray set, first spray set with there is first circulating pump through pipe connection between the tower pond, the tower body or with be connected with desulfurization waste water feedstock channel on the passageway that the tower body is connected, flue gas inlet is connected with the flue through advancing the flue gas.
Preferably, the flue gas inlet is below the second spraying device, and the flue gas outlet is above the second spraying device.
Preferably, the flue gas inlet is provided with a plurality of inlets.
Preferably, the flue gas inlets are arranged at the same height position of the tower body.
Preferably, the flue gas inlet is further provided with an adjusting device for adjusting the amount or direction of flue gas entering the tower body.
Preferably, the adjustment means comprises at least one rotatable vane or damper or adjusting constriction.
Preferably, the first spraying device is a nozzle or a high-speed atomizing disk.
Preferably, the first spraying devices are arranged in one-to-one correspondence with the flue gas inlets.
Preferably, the first spraying device is arranged in the smoke inlet cavity channel.
Preferably, the first spraying device is arranged in a region included by the cross section of the flue gas inlet, wherein the extension length of the cross section along the axis is 50 cm.
Preferably, the smoke inlet channel is a convergent-divergent nozzle pipe or a nozzle structure.
Preferably, the flue gas inlet and the first spraying device are of an integrated atomizing injector structure.
The utility model provides a desulfurization waste water enrichment facility adopts two sections evaporation modes that spray, can improve the evaporation concentration efficiency, can also guarantee the reliable stability of system operation simultaneously. Furthermore, a multi-flue gas inlet balanced air inlet mode is adopted, so that flue gas in the tower is distributed uniformly, and the flue gas surge flow degree and the liquid flue gas mixing degree can be improved by adjusting the flue gas flow and direction at the flue gas inlet, so that the efficiency of the spray tower is improved.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
FIG. 1 is a schematic structural diagram of a desulfurization waste water concentrating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a desulfurization waste water concentrating apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic perspective view of the flue gas inlet of FIG. 2;
FIG. 4 is a schematic structural diagram of the adjustment device of FIG. 2;
FIG. 5 is a schematic perspective view of the adjustment device of FIG. 4;
FIG. 6 is a schematic structural diagram of the smoke inlet duct of FIG. 2;
fig. 7 is a schematic structural view of the first spraying device of fig. 1.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
FIG. 1 is a schematic structural diagram of a desulfurization waste water concentrating apparatus according to an embodiment of the present invention; referring to fig. 1, the utility model provides a desulfurization wastewater concentrating device, which comprises a tower body 1 vertically arranged, the bottom of the tower body 1 is provided with a tower tank 3 for storing desulfurization waste water, the tower tank 3 is provided with a concentrated solution outlet 10, a second spraying device 2 is arranged above the tower tank 3, a second circulating pump 8 is connected between the second spraying device 2 and the tower tank 3 through a pipeline, the upper side and the lower side of the second spraying device 2 are respectively provided with a flue gas inlet 5 and a flue gas outlet 4, a first spraying device 9 is arranged at the flue gas inlet 5, a first circulating pump 11 is connected between the first spraying device 9 and the tower tank 3 through a pipeline, the tower body or a channel connected with the tower body is connected with a desulfurization wastewater feeding channel 100, and the flue gas inlet 5 is connected with a flue 6 through a flue gas inlet channel 51.
Flue gas from the flue 6 enters the inner space of the tower body 1 through the flue gas inlet 5 via the flue gas inlet channel 51, the feeding channel 100 may be provided with a feeding pump (not shown in the figure), and desulfurization wastewater to be treated generated by upstream equipment enters the tower tank 3 inside the tower body 1 via the feeding channel 100. The desulfurization wastewater in the tower tank 3 is driven by the first circulating pump 11 to be sprayed into the flue gas inlet 5 through the first spraying device 9, and is subjected to contact heat exchange and evaporation with high-temperature and high-speed flue gas entering from the flue gas inlet 5, under the action of the first spraying device 9 and the high-temperature and high-speed flue gas, the desulfurization wastewater is mixed with the flue gas in fine liquid drops for heat exchange and is totally or partially evaporated into water vapor, the water vapor and part of the unevaporated liquid drops flow to the flue gas outlet 4 under the driving of the flue gas, and further carrying out contact heat exchange and evaporation, increasing the moisture content of the flue gas, finally evaporating part or all of the moisture in the desulfurization wastewater sprayed from the first spraying device 9 to form water vapor which flows out of the tower body 1 along with the flue gas through the flue gas outlet 4, and falling the unevaporated moisture, chloride ions, solid particles and the like which are subjected to evaporation decrement into the tower tank 3; similarly, the desulfurization wastewater in the tower tank 3 is sprayed into the tower body 1 through the second spraying device 2 under the driving of the second circulating pump 8, and contacts with the flue gas in the tower body 1 to exchange heat and partially evaporate, so that the humidity of the flue gas is further increased and even becomes saturated flue gas, and the flue gas flows out of the flue through the flue gas outlet 4. The desulfurization wastewater in the tower tank 3 is circularly evaporated and concentrated by the driving of the second circulating pump 8 and the first circulating pump 11, when a certain concentration is reached, most of chloride and the like in the desulfurization wastewater is separated out in a solid form, and at the moment, the desulfurization wastewater can be discharged out of the tower body 1 through the concentrated solution outlet 10 and enters a subsequent solidification system, for example, the desulfurization wastewater is pumped into a sludge dewatering device (such as a plate-and-frame filter press, a centrifugal dehydrator and the like) through a sludge pump for solidification, and can also be pumped into a flue for evaporation solidification.
As shown in fig. 1, the flue gas inlet 5 is generally below the second spraying device 2, and the flue gas outlet 4 is above the second spraying device 2. At this moment, the reverse-flow heat exchange is carried out on the desulfurization wastewater sprayed out by the second spraying device 2 and the flue gas, the effect is better, but the heat exchange flow of the desulfurization wastewater sprayed out by the first spraying device 9 is shorter, and the evaporation efficiency is influenced by partial falling.
It will be understood by those skilled in the art that the flue gas inlet 5 may also be arranged above the second spraying means 2 and the flue gas outlet 4 below the second spraying means 2. Namely, the positions of the flue gas inlet 5 and the flue gas outlet 4 in fig. 1 are exchanged, in this case, the first spraying device 9 is above the second spraying device 2, and in this case, the desulfurization wastewater sprayed by the second spraying device 2 performs downstream heat exchange (downward flow) with the flue gas, so that the heat exchange efficiency is poor, but the desulfurization wastewater sprayed by the first spraying device 9 has a longer heat exchange flow, and the contact time with the flue gas is increased, so that the heat exchange efficiency is higher.
The first spraying device 9 may be a nozzle or a high-speed atomizing disk, or may be another structure capable of atomizing the desulfurization waste water. Similarly, the second spraying device 2 may also be a nozzle or a high-speed atomizing disk or other structures capable of atomizing the desulfurization waste water.
The first spraying devices 9 can correspond to the flue gas inlets 5 one by one, that is, one flue gas inlet 5 corresponds to one first spraying device 9. Of course, a plurality of the first spraying devices 9 can be arranged at each of the flue gas inlets 5.
The first spraying device 9 can be arranged at the outlet of the flue gas inlet 5 as shown in fig. 1, fig. 7 is a schematic structural diagram of the first spraying device of fig. 1, and referring to fig. 1 and fig. 7, the first spraying device 9 can be disposed in a region (see the dashed line region in fig. 7) included by the cross section of the flue gas inlet 5 with the axial extension length L of 50cm, so that the desulfurization waste water sprayed from the first spraying device 9 can be ensured to be effectively subjected to heat exchange with the high-temperature flue gas sprayed from the flue gas inlet 5.
Flue 6 can be the flue behind the boiler draught fan, adopts promptly to come from flue gas behind the boiler draught fan is as the evaporation flue gas, because this part flue gas grade is lower, for the waste heat that can't do other utilizations basically, consequently can reduce the evaporation energy consumption, simultaneously because the flue gas here has removed dust, and is cleaner, right desulfurization waste water enrichment facility's influence is less.
The flue gas outlet 4 can be connected to the inlet of the desulfurization absorption tower for moisture recovery.
The utility model discloses a two sections are sprayed the evaporation: the desulfurization wastewater and the high-speed high-temperature flue gas are subjected to heat exchange and evaporation through the first circulating pump 11 and the first spraying device 9, so that the efficiency can be greatly improved; and the desulfurization wastewater passing through the second circulating pump 8 and the second spraying device 2 adopts a spraying evaporation mode. The cooperation of two kinds of modes can effectively improve 1 internal space utilization of tower body.
The number of the flue gas inlets 5 can be one or more. FIG. 2 is a schematic structural diagram of a desulfurization waste water concentrating apparatus according to another embodiment of the present invention; FIG. 3 is a schematic perspective view of the flue gas inlet of FIG. 2; referring to fig. 2 to 3, when the number of the flue gas inlets 5 is two or more, the flue gas inlets 5 are uniformly arranged in the vertical projection direction of the tower body 1, that is, on the cross section of the tower body 1, the flue gas inlets 5 are substantially uniformly distributed with reference to the central axis of the tower body 1, that is, the flue gas inlets 5 are substantially equidistantly arranged along the circumference of the tower wall of the tower body 1, the substantially equidistant arrangement is to make the flue gas enter the tower body 1 from each flue gas inlet 5 and then keep substantially uniform in space, and of course, the distance of each flue gas inlet 5 may have a certain deviation, but the deviation may affect the effect of uniform dispersion of the flue gas entering the tower body 1. The balanced arrangement of the flue gas inlets 5 can enable hot flue gas from the flue 6 to enter the tower body 1 through the flue gas inlets 5 in a balanced manner, and the flue gas amount of each flue gas inlet is kept to be basically balanced as much as possible, so that the balance degree of the flue gas in the tower body 1 on space distribution can be improved.
Because the flue gas in the tower body 1 can ensure the balance to a great extent in the aspect of space distribution, the balance of mixed contact of the desulfurization waste water and the flue gas can be ensured, and bias flow or wall flow of the flue gas and the desulfurization waste water is reduced, so that the utilization rate of the internal space of the tower body 1 and the evaporation concentration efficiency are improved.
The flue gas inlet 5 can be arranged at the same height position of the tower body 1, so that the flue gas entering the tower body 1 can be uniformly distributed, and the flue gas outlet 5 can have a certain height difference (for example, the height difference of 3-10cm can be formed between the opposite flue gas outlets 5), so that the flue gas entering the tower body 1 can generate turbulence, and the heat exchange efficiency is improved.
The more the number of the flue gas inlets 5 is, the more the balance of the flue gas in the tower body 1 can be improved, and the cost is comprehensively considered. When the number of the flue gas inlets 5 is four or five, the cost performance is the best, and meanwhile, the strength is not greatly reduced due to the fact that the holes are formed in the side wall of the tower body 1 too much.
The cross sections of the flue gas inlets 5 can be the same, so that the manufacturing is convenient, but the flue gas pressure sent to each flue gas inlet by the flue 6 is required to be basically the same at this moment, so as to ensure that the flue gas quantity and the pressure of each flue gas inlet are basically balanced. Of course, the section of the flue gas inlet 5 can be selected to be different according to the pressure of the flue 6 fed to the flue gas inlet 5. During manufacturing, simulation test or actual test of the flue gas inlet 5 and the flue gas flow field in the tower body 1 needs to be carried out, and a proper size is selected. The section of the flue gas inlet 5 can be circular, oval or other shapes.
Likewise, the flue gas outlet 4 may be one or more. The arrangement mode can also be the arrangement mode of the smoke inlet 5 as described above, and the arrangement mode can also play a similar effect, and the description is omitted.
FIG. 4 is a schematic structural diagram of the adjustment device of FIG. 2; fig. 5 is a schematic perspective view of the adjusting device of fig. 4. Referring to fig. 2, 4 and 5, in order to control and regulate the direction and flow of the flue gas entering the tower 1 from the flue gas inlet 5, the flue gas inlet 5 may further be provided with a regulating device 7. Said adjusting means 7 may comprise at least one rotatable vane 71, such that the direction and flow of flue gas entering said tower 1 from said flue gas inlet 5 may be controlled by adjusting said vane 71,
when the flue gas enters the tower body 1 from each flue gas inlet 5 clockwise or anticlockwise by adjusting the blades 71, the surge flow degree of the flue gas in the tower body 1 and the mixing degree of the flue gas and liquid can be further improved, so that the mass transfer or heat transfer efficiency can be further improved, and the efficiency of the spray tower is also improved.
It will be understood by those skilled in the art that the adjusting device 7 can be used to perform the functions of adjusting the flow rate and direction of flue gas by using the same set of vanes as shown in fig. 3 and 4, or can be provided with a structure for flow control (e.g. a flow vane) and a structure for direction control (e.g. a guide vane) respectively.
The adjusting device 7 may also be a commercially available adjusting air duct, adjusting damper, or adjusting shrinkage cavity, or other structures as long as the flow rate or direction of the flue gas can be changed.
During manufacturing, a balance simulation test or an actual test of the flue gas inlet 5 and a flue gas flow field in the tower body 1 needs to be performed, and the flue gas flow field in the tower body 1 is optimized by adjusting the position of the adjusting device 7.
The first spraying device 9 may be arranged in the flue gas inlet 5 (i.e. in the flue gas inlet duct 51) as shown in fig. 2. FIG. 6 is a schematic structural diagram of the smoke inlet duct of FIG. 2; referring to fig. 6, the first spraying device 9 is disposed in the flue gas inlet channel 51, so that the flue gas inlet channel 51 can become a mixing chamber for desulfurization wastewater and flue gas, and the flue gas and the desulfurization wastewater can be mixed and then sprayed into the tower body 1, thereby improving the efficiency of mixing heat exchange and evaporation.
Further, the adjusting device 7 may be disposed on a side of the first spraying device 9 close to the flue 6, so as to adjust the amount and direction of flue gas entering the flue gas inlet channel 51.
The flue gas inlet channel 51 can be designed into a convergent-divergent nozzle or a nozzle structure, so that the flow velocity of flue gas can be improved, desulfurization wastewater can be better atomized and mixed, and then the flue gas is sprayed into the tower body 1, so that the evaporation efficiency can be further improved.
It will be appreciated by those skilled in the art that the smoke inlet 51 may also be generally tubular or other shape.
In a preferred embodiment, the flue gas inlet 5 and the first spraying means 9 may be an integrated atomizing injector structure.
In order to reduce the entrainment of liquid, particles and the like in the flue gas flowing out of the flue gas outlet 4, a demister (not shown in the figure) may be arranged before the flue gas flows into the flue gas outlet 4, i.e. between the second spraying device 2 and the flue gas outlet 4.
The cross-section of the tower 1 may be circular, square or other.
The utility model provides a desulfurization waste water enrichment facility adopts two sections evaporation modes that spray, can improve the evaporation concentration efficiency, can also guarantee the reliable stability of system operation simultaneously. Furthermore, a balanced multi-flue gas inlet balanced air inlet mode is adopted, so that flue gas in the tower is distributed uniformly, and the flue gas surge flow degree and the liquid flue gas mixing degree can be improved by adjusting the flue gas flow and direction at the flue gas inlet, so that the efficiency of the spray tower is improved.
It is to be understood by those skilled in the art that while the present invention has been described in terms of several embodiments, it is not intended that each embodiment cover a separate embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including all technical equivalents which are encompassed by the claims.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (12)
1. The utility model provides a desulfurization waste water enrichment facility, its includes a tower body of placing perpendicularly, the tower body bottom is provided with the tower pond that is used for saving desulfurization waste water, the tower pond is provided with the dense liquid export, a serial communication port, the tower pond top is provided with second spray set, second spray set with there is the second circulating pump through the pipe connection between the tower pond, the upper and lower both sides of second spray set are provided with flue gas inlet and exhanst gas outlet respectively, flue gas inlet department is provided with first spray set, first spray set with there is first circulating pump through the pipe connection between the tower pond, the tower body or with be connected with desulfurization waste water feedstock channel on the passageway that the tower body is connected, flue gas inlet is connected with the flue through advancing the flue gas chamber way.
2. The desulfurization waste water concentration device of claim 1, wherein the flue gas inlet is below the second spray device, and the flue gas outlet is above the second spray device.
3. The desulfurization waste water concentrating apparatus according to claim 1, wherein said flue gas inlet is plural.
4. The desulfurization waste water concentration device of claim 3, wherein the flue gas inlet is arranged at the same height position of the tower body.
5. The desulfurization waste water concentrating apparatus according to claim 1, wherein the flue gas inlet is further provided with an adjusting device for adjusting the amount or direction of flue gas entering the tower body.
6. The desulfurization waste water concentrating apparatus according to claim 5, wherein said adjusting means comprises at least one rotatable blade or damper or shrinkage cavity.
7. The desulfurization waste water concentrating apparatus according to claim 1, wherein said first spraying means is a nozzle or a high-speed atomizing disk.
8. The desulfurization wastewater concentrating device of claim 3, wherein the first spraying devices are arranged in one-to-one correspondence with the flue gas inlets.
9. The desulfurization waste water concentrating apparatus according to claim 1, wherein said first spraying means is disposed in said flue gas inlet duct.
10. The desulfurization waste water concentration device according to claim 1, wherein said first spray means is disposed in a region which is included in a cross section of said flue gas inlet and has an axial extension of 50 cm.
11. The desulfurization waste water concentration device of claim 1, wherein the flue gas inlet channel is a convergent-divergent nozzle or a nozzle structure.
12. The desulfurization waste water concentration device of claim 1, wherein the flue gas inlet and the first spray device are an integrated atomization injector structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886636.XU CN206985766U (en) | 2017-07-20 | 2017-07-20 | A kind of desulfurization wastewater enrichment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886636.XU CN206985766U (en) | 2017-07-20 | 2017-07-20 | A kind of desulfurization wastewater enrichment facility |
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| CN206985766U true CN206985766U (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607809A (en) * | 2020-12-11 | 2021-04-06 | 杭州蕴泽环境科技有限公司 | Desulfurization wastewater concentration system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607809A (en) * | 2020-12-11 | 2021-04-06 | 杭州蕴泽环境科技有限公司 | Desulfurization wastewater concentration system and method |
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