CN214734738U - Desulfurization tower flue gas white-eliminating, dust-removing and demisting wastewater reduction integrated system - Google Patents
Desulfurization tower flue gas white-eliminating, dust-removing and demisting wastewater reduction integrated system Download PDFInfo
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- CN214734738U CN214734738U CN202120739235.8U CN202120739235U CN214734738U CN 214734738 U CN214734738 U CN 214734738U CN 202120739235 U CN202120739235 U CN 202120739235U CN 214734738 U CN214734738 U CN 214734738U
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Abstract
The utility model relates to a desulfurization tower flue gas white-eliminating, dedusting and demisting wastewater decrement integrated system, which comprises a desulfurization tower, a demister, a spray dedusting device, a flushing device, a water recovery device, a recovered water pretreatment device, a process water tank and a cooling device which are connected in sequence; the water recovery device is arranged in the desulfurizing tower and is used for recovering spray water falling from the upper part; the reclaimed water pretreatment device is used for purifying reclaimed water; the process water tank is used for storing the treated water, and is also connected with the flushing device through a pipeline and used for supplying water to the flushing device; the cooling device is also connected with the spray dust removal device through a pipeline and supplies water for the spray dust removal device. The utility model discloses utilize water recovery unit to retrieve the water that spray dust collector and washing unit sprayed, effectively reduced the water level in the desulfurizing tower, the water after retrieving can satisfy the requirement of reuse through retrieving water pretreatment device and handling the back, like this greatly reduced the water consumption of system, reached the water conservation effect.
Description
Technical Field
The utility model relates to a waste gas treatment technique, especially a white dust removal defogging waste water decrement integration system that disappears of desulfurizing tower flue gas.
Background
Desulfurizing tower defroster has been very ripe in practical application, but the function singleness of defroster often needs to cooperate dust removal spraying system to use together, washes the problem that the in-process all ubiquitous water consumption is big at spray dust removal and defroster, in the design of flue gas desulfurization tower, just has the problem that the water is difficult to balance always, because the defroster washes the flow great, does not wash according to the washing logic of optimization and can lead to the defroster scale deposit and damage. If the optimized flushing logic is adopted, the water level of the desulfurizing tower is too high, and the desulfurizing tower is difficult to balance. The problem is still not effectively solved at present, and most operation units reduce the entering of water in the desulfurizing tower by reducing the washing time and frequency, and increase the manual cleaning times.
The present invention is provided in view of this point.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a desulfurizing tower flue gas disappears white dust removal defogging waste water decrement integration system, can improve the utilization efficiency of water resource to avoid appearing the too high problem of desulfurizing tower water level.
In order to realize the purpose, the utility model adopts the following technical scheme:
a desulfurization tower flue gas white-removing, dedusting and demisting wastewater decrement integrated system comprises a desulfurization tower, a demister installed in the desulfurization tower, a spray dedusting device and a flushing device, and further comprises a water recovery device, a recovered water pretreatment device, a process water tank and a cooling device which are sequentially connected;
the water recovery device is arranged in the desulfurizing tower and is used for recovering spray water falling from the upper part;
the reclaimed water pretreatment device is used for purifying reclaimed water;
the process water tank is used for storing the treated water, and is also connected with the flushing device through a pipeline and used for supplying water to the flushing device;
the cooling device is also connected with the spray dust removal device through a pipeline and supplies water for the spray dust removal device.
Further, the water recovery device comprises a mounting bracket, a water receiving pipe and a water collecting pipe; the mounting bracket is fixed in the desulfurizing tower, the water receiving pipe inclines to set up, and its higher one end and mounting bracket connection, lower one end and collector pipe connection, and the upside of water receiving pipe is open mouthful, the collector pipe passes through the pipeline and is connected with recovery pretreatment of water device.
Further, the water recovery device is of a double-layer structure, and the upper and lower layers of water receiving pipes are arranged in a staggered mode.
Further, the spray dust removal device is multi-layer, and the recycled water pretreatment device is arranged on the lower side or the middle layer of the spray dust removal device.
Adopt technical scheme after, bring following beneficial effect:
the utility model discloses can effectively reduce waste water discharge, in the desulfurizing tower working process, can recycle again most water that spout in the desulfurizing tower, the too high phenomenon of water level appears in avoiding the desulfurizing tower, has solved the difficult problem in order to balance of desulfurization water. The system also has the advantages of small occupied area and low investment, can be used in the existing desulfurizing tower only by simple transformation, and achieves obvious water-saving effect.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
FIG. 2: is a front view of the water recovery device of the utility model;
FIG. 3: the structure diagram of the water recovery device of the utility model;
wherein: 1. desulfurizing tower 2, defroster 3, spray dust collector 4, washing unit 5, water recovery unit 6, recovery water preprocessing device 7, process water tank 8, heat sink 51, installing support 52, water receiving pipe 53, collector pipe.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figure 1, a desulfurization tower flue gas white elimination, dust removal and demisting wastewater decrement integrated system comprises a desulfurization tower 1, a demister 2 installed in the desulfurization tower 1, a spray dust removal device 3, a flushing device 4, and a water recovery device 5, a recovered water pretreatment device 6, a process water tank 7 and a cooling device 8 which are connected in sequence.
The demister 2, the spray dust removal device 3 and the flushing device 4 are the same as the existing structures and are not described in detail.
As shown in fig. 2 and 3, the water recovery device 5 is installed in the desulfurization tower 1 to recover the shower water falling from above. The water recovery device 5 includes a mounting bracket 51, a water receiving pipe 52 and a water collecting pipe 53. The mounting bracket 51 is composed of a rigid support beam and is fixed in the desulfurization tower 1 to serve as a support. The water receiving pipe 52 is obliquely arranged, the higher end of the water receiving pipe is connected with the mounting bracket 51, the lower end of the water receiving pipe is connected with the water collecting pipe 53, and the upper side of the water receiving pipe 52 is an open port and used for collecting water drops falling from the upper side of the water receiving pipe. The water collecting pipe 53 is connected to the recycled water pretreatment device 6 through a pipeline, and the water collected by the water receiving pipe 52 is collected in the water collecting pipe 53 and then flows to the recycled water pretreatment device 6 along the pipeline.
The recycled water pretreatment device 6 is used for purifying recycled water, mainly treats collected recycled water in a dosing precipitation or filtration mode, and the treated recycled water flows into the process water tank 7 through a pipeline.
The process water tank 7 is used for storing the treated water, the process water tank 7 is also connected with the flushing device 4 through a pipeline and used for supplying water to the flushing device, and the process water tank 7 also directly supplies water to the cooling device 8.
The cooling device 8 is also connected with the spray dust removal device 3 through a pipeline and supplies water for the spray dust removal device, the cooling device 8 reduces the water temperature and then supplies water to the cooling dust removal device, and the cooling dust removal device can also supply water from the outside.
Preferably, the water recovery device 5 has a double-layer structure, and the water receiving pipes 52 on the upper layer and the lower layer are arranged in a staggered manner, so as to enlarge the water receiving area.
Preferably, the spray dust removing device 3 is provided with a plurality of layers, and the recycled water pretreatment device 6 is arranged at the lower side or the middle layer of the spray dust removing device 3.
The utility model discloses utilize water recovery unit 5 to retrieve the water that spray dust collector 3 and washing unit 4 sprayed, effectively reduced the water level in desulfurizing tower 1, the water after retrieving is handled the back through recovery pretreatment of water device 6, can satisfy the requirement of reuse, like this greatly reduced the water consumption of system, reached water conservation effect.
The above description is an embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and this should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a white dust removal defogging waste water decrement integration system that disappears of desulfurizing tower flue gas, includes the desulfurizing tower, installs defroster, spray dust collector and the washing unit in the desulfurizing tower, its characterized in that: the system also comprises a water recovery device, a recovered water pretreatment device, a process water tank and a cooling device which are connected in sequence;
the water recovery device is arranged in the desulfurizing tower and is used for recovering spray water falling from the upper part;
the reclaimed water pretreatment device is used for purifying reclaimed water;
the process water tank is used for storing the treated water, and is also connected with the flushing device through a pipeline and used for supplying water to the flushing device;
the cooling device is also connected with the spray dust removal device through a pipeline and supplies water for the spray dust removal device.
2. The integrated system for removing white dust, fog and waste water in the desulfurization tower of claim 1 is characterized in that: the water recovery device comprises a mounting bracket, a water receiving pipe and a water collecting pipe; the mounting bracket is fixed in the desulfurizing tower, the water receiving pipe inclines to set up, and its higher one end and mounting bracket connection, lower one end and collector pipe connection, and the upside of water receiving pipe is open mouthful, the collector pipe passes through the pipeline and is connected with recovery pretreatment of water device.
3. The integrated system for removing white dust, fog and waste water in the desulfurization tower of claim 2 is characterized in that: the water recovery device is of a double-layer structure, and the upper and lower layers of water receiving pipes are arranged in a staggered mode.
4. The integrated system for removing white dust, fog and waste water in the desulfurization tower of claim 1 is characterized in that: the spray dust removal device is multilayer, and the recycled water pretreatment device is arranged on the lower side or the middle layer of the spray dust removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120739235.8U CN214734738U (en) | 2021-04-09 | 2021-04-09 | Desulfurization tower flue gas white-eliminating, dust-removing and demisting wastewater reduction integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120739235.8U CN214734738U (en) | 2021-04-09 | 2021-04-09 | Desulfurization tower flue gas white-eliminating, dust-removing and demisting wastewater reduction integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214734738U true CN214734738U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120739235.8U Active CN214734738U (en) | 2021-04-09 | 2021-04-09 | Desulfurization tower flue gas white-eliminating, dust-removing and demisting wastewater reduction integrated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214734738U (en) |
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2021
- 2021-04-09 CN CN202120739235.8U patent/CN214734738U/en active Active
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