CN217498961U - Energy-saving desulfurization wastewater treatment system - Google Patents
Energy-saving desulfurization wastewater treatment system Download PDFInfo
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- CN217498961U CN217498961U CN202221193385.4U CN202221193385U CN217498961U CN 217498961 U CN217498961 U CN 217498961U CN 202221193385 U CN202221193385 U CN 202221193385U CN 217498961 U CN217498961 U CN 217498961U
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Abstract
The utility model discloses an energy-saving desulfurization effluent disposal system, including electrostatic precipitator, electrostatic precipitator communicates in the desulfurizing tower, the desulfurizing tower lower extreme is provided with the waste water discharge pipe, electrostatic precipitator communicates in spray concentration tower, the waste water discharge pipe still connects in spray concentration tower, spray concentration tower connects in the desulfurizing tower, spray concentration tower lower extreme and pass through the pump machine and connect in the waste water discharge pipe, spray concentration tower lower extreme still is provided with the muddy water discharge pipe, the muddy water discharge pipe is connected in the pressure filter, the pressure filter is provided with filtrating discharge port and connects in the waste water discharge pipe, the filtrating discharge port still connects in multi-effect evaporator, multi-effect evaporator still is provided with the pipeline through it, pipeline one end is connected in the desulfurizing tower upper end, the other end is connected in desulfurizing tower lower extreme and gas vent respectively. The utility model discloses utilize the heat absorption in the multi-effect evaporator crystallization process, cool down high temperature flue gas and desulfurization flue gas and handle, can reduce flue gas exhaust moisture and improve the efficiency that flue gas desulfurization was handled in energy-conserving.
Description
Technical Field
The utility model relates to a flue gas treatment facility technical field, concretely relates to energy-saving desulfurization effluent disposal system.
Background
The existing large-scale equipment generally generates a large amount of flue gas during combustion, the flue gas is discharged through a desulfurization treatment step, waste water generated by flue gas desulfurization also needs to be further processed, and the pollution is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving desulfurization waste water treatment system aiming at the defects existing in the prior art.
In order to realize the purpose, the utility model relates to an energy-saving desulfurization effluent disposal system has adopted following technical scheme:
an energy-saving desulfurization wastewater treatment system comprises an electric dust collector, wherein one end of the electric dust collector is provided with a flue gas inlet, the other end of the electric dust collector is provided with a flue gas outlet communicated with a desulfurization tower, the upper end of the desulfurization tower is provided with a flue gas outlet, the lower end of the desulfurization tower is provided with a wastewater discharge pipe, one side of the desulfurization tower is also provided with a spray concentration tower, the flue gas outlet is also communicated with the spray concentration tower, the wastewater discharge pipe is also connected with the spray concentration tower, the spray concentration tower is also connected with the desulfurization tower through a connecting pipeline, the lower end of the spray concentration tower is provided with a liquid outlet pipe, the liquid outlet pipe is connected with the wastewater discharge pipe through a pump, the lower end of the spray concentration tower is also provided with a muddy water discharge pipe, the muddy water discharge pipe is connected with a pressure filter, the pressure filter is provided with a filtrate outlet and a sludge outlet, the filtrate outlet is connected with the wastewater discharge pipe, the filtrate outlet is also connected with a multi-effect evaporator, the multi-effect evaporator is provided with a crystallization outlet, the multi-effect evaporator is also provided with a pipeline passing through the multi-effect evaporator, one end of the pipeline is connected to the upper end of the desulfurizing tower, and the other end of the pipeline is respectively connected to the lower end of the desulfurizing tower and the exhaust port.
The utility model relates to an energy-saving desulfurization effluent disposal system's further improvement part lies in, and the filtrating discharge port still connects in the multiple effect evaporimeter of second, and the multiple effect evaporimeter of second also is provided with the crystallization export, and the multiple effect evaporimeter of second still is provided with the second pipeline through it, and second pipe connection is in the exhanst gas outlet, and the other end is connected respectively in desulfurizing tower lower extreme and exhanst gas outlet.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize heat absorption in the multi-effect evaporator crystallization process, cool down high temperature flue gas and desulfurization flue gas and handle, can reduce flue gas exhaust moisture and improve the efficiency that flue gas desulfurization was handled in energy-conserving.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1 electric dust collector, 2 desulfurizing tower, 3 spray concentration tower, 4 pressure filter, 5 multi-effect evaporator, 6 second multi-effect evaporator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, an energy-saving desulfurization wastewater treatment system comprises an electric dust collector 1, wherein one end of the electric dust collector is provided with a flue gas inlet, the other end of the electric dust collector is provided with a flue gas outlet communicated with a desulfurization tower 2, the upper end of the desulfurization tower is provided with a flue gas outlet, the lower end of the desulfurization tower is provided with a wastewater discharge pipe, one side of the desulfurization tower is also provided with a spray concentration tower 3, the flue gas outlet is also communicated with the spray concentration tower through an induced draft fan, the wastewater discharge pipe is also connected with a spray pipe of the spray concentration tower through a pump machine, the spray concentration tower is also connected with the flue gas outlet through a connecting pipeline and then communicated with the desulfurization tower, the lower end of the spray concentration tower is provided with a liquid outlet pipe, the liquid outlet pipe is connected with the wastewater discharge pipe through a pump machine, the lower end of the spray concentration tower is also provided with a muddy water discharge pipe, the muddy water discharge pipe is connected with a filter press filter 4, the filter press filter is provided with a filtrate outlet and a sludge discharge port, the filtrate discharge port is connected with the wastewater discharge pipe, the filtrate outlet is also connected with a multi-effect evaporator 5, the multi-effect evaporator is provided with a crystallization outlet and is also provided with a pipeline passing through the multi-effect evaporator, one end of the pipeline is connected with the upper end of the desulfurizing tower, and the other end of the pipeline is respectively connected with the lower end of the desulfurizing tower and the exhaust port.
Further, the filtrate outlet is also connected to a second multi-effect evaporator 6, the second multi-effect evaporator is also provided with a crystallization outlet, the second multi-effect evaporator is also provided with a second pipeline passing through the second multi-effect evaporator, the second pipeline is connected to the flue gas outlet, and the other end of the second multi-effect evaporator is respectively connected to the lower end of the desulfurizing tower and the flue gas outlet.
The utility model discloses a theory of operation does: high temperature flue gas carries out electrostatic precipitator through electrostatic precipitator earlier, later get into the desulfurizing tower and carry out the desulfurization, partial desulfurization flue gas can discharge, the desulfurization waste water that produces among the desulfurization process sprays the concentration to spraying the concentration tower and spray the concentration, accelerate the atomizing under the assistance of high temperature flue gas, the flue gas advances the desulfurizing tower again and carries out the desulfurization, spray the partial liquid that the concentration obtained and circulate and spray, solid-liquid mixture then advances the filter-press filter-pressing, the filter residue is discharged, the filtrating circulates and sprays or advances the crystallization of multi-effect evaporimeter, the multi-effect evaporimeter has two, desulfurization flue gas and initial high temperature flue gas cool off through one of them multi-effect evaporimeter respectively, the low temperature steam (the comdenstion water) that produces returns the desulfurizing tower, the desulfurization flue gas emission of the cooling of production gets into next process, the initial high temperature flue gas of cooling advances the desulfurizing tower again and carries out the desulfurization.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. An energy-saving desulfurization effluent disposal system which characterized in that: including electrostatic precipitator, electrostatic precipitator one end is provided with the flue gas import, and the other end is provided with the exhanst gas outlet and communicates in the desulfurizing tower, and the desulfurizing tower upper end is provided with the flue gas discharge port, and the lower extreme is provided with the waste water discharge pipe, desulfurizing tower one side still is provided with the spray concentration tower, the exhanst gas outlet still communicates in the spray concentration tower, and the waste water discharge pipe still connects in the spray concentration tower, and the spray concentration tower still connects in the desulfurizing tower through the connecting tube, the spray concentration tower lower extreme is provided with the drain pipe, and the drain pipe passes through the pump machine to be connected in the waste water discharge pipe, the spray concentration tower lower extreme still is provided with the muddy water discharge pipe, and the muddy water discharge pipe is connected in the pressure filter, and the pressure filter is provided with filtrating discharge port, mud discharge port, and the filtrating discharge port is connected in the waste water discharge pipe, and the filtrating discharge port still is connected in multi-effect evaporimeter, and multi-effect evaporimeter is provided with the crystallization outlet, and multi-effect evaporimeter still is provided with the pipeline through it, pipeline one end is connected in the desulfurizing tower upper end, and the other end is connected respectively in desulfurizing tower lower extreme and gas vent.
2. The energy-saving desulfurization waste water treatment system according to claim 1, characterized in that: the filtrate outlet is also connected to a second multi-effect evaporator, the second multi-effect evaporator is also provided with a crystallization outlet, the second multi-effect evaporator is also provided with a second pipeline passing through the second multi-effect evaporator, the second pipeline is connected to the flue gas outlet, and the other end of the second multi-effect evaporator is respectively connected to the lower end of the desulfurizing tower and the flue gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221193385.4U CN217498961U (en) | 2022-05-18 | 2022-05-18 | Energy-saving desulfurization wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221193385.4U CN217498961U (en) | 2022-05-18 | 2022-05-18 | Energy-saving desulfurization wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217498961U true CN217498961U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221193385.4U Active CN217498961U (en) | 2022-05-18 | 2022-05-18 | Energy-saving desulfurization wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217498961U (en) |
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2022
- 2022-05-18 CN CN202221193385.4U patent/CN217498961U/en active Active
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