CN208594145U - Regenerate denitrating catalyst regenerative wastewater processing system - Google Patents
Regenerate denitrating catalyst regenerative wastewater processing system Download PDFInfo
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- CN208594145U CN208594145U CN201820919485.8U CN201820919485U CN208594145U CN 208594145 U CN208594145 U CN 208594145U CN 201820919485 U CN201820919485 U CN 201820919485U CN 208594145 U CN208594145 U CN 208594145U
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Abstract
The utility model discloses a kind of regeneration denitrating catalyst regenerative wastewater processing systems, including sequentially connected conditioning tank, reduction pond, reaction tank and sedimentation basin, supernatant in sedimentation basin enters intermediate pool, cooling tower and Electro Sorb unit, and lower layer's sludge enters sludge-tank and filter element.For the waste water treatment system of the utility model using chemical treatment and Electro Sorb binding pattern, applicability is wide, for the regenerative wastewater of all kinds of complicated components, can reach excellent treatment effect；Electro Sorb unit is wherein used, can efficiently remove metal ion, and low energy consumption, operating cost is low, secondary pollution is small；Waste water treatment system simple structure, easy to operate, water treatment efficiency is good.
Description
Technical field
The utility model relates to a kind of waste water treatment systems more particularly to a kind of regeneration denitrating catalyst regenerative wastewater to handle
System.
Background technique
Selective catalytic reduction (SCR) is widely used in the denitration engineering of domestic and international coal-burning power plant, can will be in flue gas
Nitrogen oxides (NOx) it is converted into nontoxic N2And H2O.As the core of SCR technology, denitrating catalyst in actual moving process,
It can gradually be inactivated with the growth of runing time.If not efficiently used to the denitrating catalyst after inactivation, can not only bring
The problem of secondary pollution, even more a kind of wasting of resources.
Denitrating catalyst regeneration techniques are the effective means for realizing inactivation denitrating catalyst comprehensive utilization.Currently, common
Regeneration techniques are wet reclamation, and process flow is general are as follows: physics deashing-wet-chemical cleaning-active component impregnates again-is done
Dry-calcining.By the denitrating catalyst after wet reclamation, activity can be restored to the level of fresh catalyst.However, wet process
In regenerative process, more waste water can be generated, wherein containing the various metals ion such as vanadium, arsenic, iron, calcium and complicated component
Dust will cause more serious environmental pollution if cannot be effectively treated.
However, cause smoke components complicated since coal-burning power plant, China coal, denitrating catalyst poisoning reason multiplicity,
To which regenerative wastewater nature difference is larger, so current waste water treatment system is unable to meet demand.
Utility model content
Purpose of utility model: the utility model is intended to provide the high waste and old denitration catalyst of a kind of high treating effect, adaptability
Agent regenerative wastewater processing system.
Technical solution: the regeneration denitrating catalyst regenerative wastewater processing system of the utility model, including sequentially connected tune
Pond, reduction pond, reaction tank and sedimentation basin are saved, the supernatant in sedimentation basin enters intermediate pool, cooling tower and Electro Sorb unit, under
Layer sludge enters sludge-tank and filter element.
Preferably, Electro Sorb unit includes centrifugal pump, filter device and electric adsorption module.Electric adsorption module include it is vertical simultaneously
Several collector plates of arrangement are arranged, the two sides of collector plate respectively set electrode slice, and the lateral surface of collector plate on the outermost side is equipped with end
The upper and lower of plate, collector plate, electrode slice and end plate respectively sets bulkhead.
The liquid feeding end of conditioning tank, reduction pond and cooling tower in the utility model is equipped with elevator pump, produces waste water through mentioning
It rises after pump is promoted and enters correlation unit.Meanwhile conditioning tank, reduction pond and reaction tank are equipped with Automatic Dosing pipeline, online pH prison
Measurement equipment and temperature monitoring equipment.In addition, sedimentation basin is inclined-tube sedimentation tank, lamina flow principle can be made full use of, precipitating is improved
The processing capacity in pond shortens particle settling height, shortens the sedimentation time.In addition, each unit of system is connected by pipeline,
The pipeline is equipped with controllable valve and flowmeter.
The utility model has the advantages that compared with prior art, the utility model has the advantages that firstly, waste water treatment system uses
Chemical treatment and Electro Sorb binding pattern, applicability is wide, for the regenerative wastewater of all kinds of complicated components, can reach excellent place
Manage effect；Secondly, can efficiently remove metal ion using Electro Sorb unit, and low energy consumption, operating cost is low, secondary dirt
It contaminates small；Furthermore waste water treatment system simple structure, easy to operate, water treatment efficiency is good.
Detailed description of the invention
Fig. 1 is the work flow diagram of the utility model；
Fig. 2 is the work flow diagram of Electro Sorb unit；
Fig. 3 is the structural schematic diagram of electric adsorption module.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, the waste and old denitrating catalyst regenerative wastewater processing system of the utility model is composed of multiple units, respectively
It is connected between unit by pipeline, is equipped with controllable valve and flowmeter on pipeline.Waste water treatment system includes conditioning tank 1, goes back
Former pond 2, reaction tank 3, sedimentation basin 4, sludge-tank 5, intermediate pool 6, cooling tower 7, Electro Sorb unit 8 and filter element 9, wherein
Sludge in sedimentation basin 5 enters sludge-tank 5 and filter element 9, and supernatant enters intermediate pool 6, cooling tower 7 and Electro Sorb unit
8。
As shown in Fig. 2, Electro Sorb unit 8 includes centrifugal pump 801, filter device 802 and electric adsorption module 803.Filtering dress
802 selection laminated filters are set, with filter effect is good, easy to operate, easy to maintain, operating cost is low, long service life
The advantages that.
As shown in figure 3, several collector plates 804 of the electric adsorption module 803 including vertical laid out in parallel, the two of collector plate 804
Side respectively sets electrode slice 805, and the lateral surface of collector plate 804 on the outermost side is equipped with end plate 806, collector plate 804, electrode slice
805 and the upper and lower of end plate 806 respectively set bulkhead 807.Bulkhead 807 and end plate 806 are made by the insulating materials of higher mechanical strength.
Each 804 two sides of collector plate is fixed with electrode slice, forms electrode plate.Between end plate, electrode plate is alternately arranged with bulkhead, and
It is fixed by fastener 808.Each electrode plate is connected with constant pressure external power, and has aperture, forms water stream channel.Raw water
Enter from electric adsorption module water inlet, after the water stream channel that electrode slice is formed, rear water outlet discharge.
Meanwhile 1 liquid feeding end of conditioning tank, reduction 2 liquid feeding end of pond, 7 liquid feeding end of cooling tower are equipped with elevator pump, production waste water warp
Elevator pump enters correlation unit after being promoted, the use of elevator pump has many advantages, such as energy conservation, automatic installation control.Filter element 9 selects
With plate compression, have many advantages, such as that filtered driving force is big, filter cake solid content is high, filtrate is limpid, solid recovery rate is high.Together
When, conditioning tank 1, reduction pond 2, reaction tank 3 are equipped with drug feeding pipeline, online pH monitoring and temperature monitoring equipment, are able to achieve dosing, acid
The real time monitoring of basicity and temperature improves water treatment efficiency.
In addition, sedimentation basin 4 is inclined-tube sedimentation tank, two kinds of forms of inclined tube and branch pipe are equipped in settling zone, in flat flow or
One is divided into using inclined parallel pipe or parallelpiped (sometimes using honeycomb filler) in the settling zone of vertical sedimentation basin
Serial shallow layer precipitating layer, processed and sedimentation heavy mud are mutually moved and are separated in each precipitating shallow-layer.Inclined-tube sedimentation tank
Using lamina flow principle is utilized, the processing capacity of sedimentation basin is improved；Particle settling height is shortened, when so as to shorten precipitating
Between；The desilting area of sedimentation basin is increased, to improve treatment effeciency.
The course of work:
Produce waste water it is boosted pump enter conditioning tank, be added pH adjusting agent, stablize after flowed out by conditioning tank, it is boosted pump into
Enter to restore pond；Reducing agent is introduced into reduction pond, after stablizing, production waste water is by the outflow of reduction pond, into reaction tank；To reaction tank
Heavy metal chelating agent, flocculant is added sufficiently after reaction in middle addition precipitating reagent；It produces waste water and sedimentation basin is flowed by reaction tank, sink
Behind shallow lake, supernatant liquor sequentially enters intermediate pool, cooling tower, qualified discharge after handling by Electro Sorb；Sedimentation basin lower layer sludge
Into sludge-tank, after plate compression, mud cake has sent qualification unit to be further processed.
The present invention using being chemically treated and by the way of Electro Sorb combines, utmostly improve the efficiency of wastewater treatment with
Effect, system flow is simple, easy to operate, easy to maintain, energy consumption is lower, has very strong practicability and wide applicability.
Embodiment:
(1) the boosted pump of production waste water enters conditioning tank, and addition sulphur acid for adjusting pH to 4 is flowed out after stablizing by conditioning tank,
Boosted pump enters reduction pond；
(2) FeSO is introduced into reduction pond4, sufficiently reaction 40min, by high volence metal ion such as Cr6+、V5+It is restored at a low price
State, then, production waste water is by the outflow of reduction pond, into reaction tank；
(3) milk of lime is added into reaction tank, the metal ions such as precipitating Fe, V, Cu sequentially add a huge sum of money sufficiently after reaction
Belong to agent for capturing, flocculant PAM；
(4) production waste water flows into sedimentation basin by reaction tank, and after precipitating, supernatant liquor enters intermediate pool, then in cooling
40 DEG C are cooled in tower, into Electro Sorb unit, qualified discharge after processing；
(5) sedimentation basin lower layer sludge enters sludge-tank, and after plate compression, mud cake has sent qualification unit further to locate
Reason.
Claims (7)
1. a kind of regeneration denitrating catalyst regenerative wastewater processing system, it is characterised in that: including sequentially connected conditioning tank (1),
Pond (2), reaction tank (3) and sedimentation basin (4) are restored, the supernatant in the sedimentation basin (4) enters intermediate pool (6), cooling tower
(7) and Electro Sorb unit (8), lower layer's sludge enter sludge-tank (5) and filter element (9).
2. regeneration denitrating catalyst regenerative wastewater processing system according to claim 1, it is characterised in that: the Electro Sorb
Unit (8) includes centrifugal pump (801), filter device (802) and electric adsorption module (803).
3. regeneration denitrating catalyst regenerative wastewater processing system according to claim 2, it is characterised in that: the Electro Sorb
Module (803) includes several collector plates (804) of vertical laid out in parallel, and the two sides of the collector plate (804) respectively set electrode slice
(805), the lateral surface of collector plate (804) on the outermost side be equipped with end plate (806), collector plate (804), electrode slice (805) and
The upper and lower of end plate (806) respectively sets bulkhead (807), which is alternately arranged with electrode slice (805), and passes through fastener
(808) fixed.
4. regeneration denitrating catalyst regenerative wastewater processing system according to claim 1, it is characterised in that: the conditioning tank
(1), pond (2) are restored and the liquid feeding end of cooling tower (7) is equipped with elevator pump.
5. regeneration denitrating catalyst regenerative wastewater processing system according to claim 1, it is characterised in that: the conditioning tank
(1), pond (2) are restored and reaction tank (3) is equipped with Automatic Dosing pipeline, online pH monitoring device and temperature monitoring equipment.
6. regeneration denitrating catalyst regenerative wastewater processing system according to claim 1, it is characterised in that: the sedimentation basin
It (4) is inclined-tube sedimentation tank.
7. regeneration denitrating catalyst regenerative wastewater processing system according to claim 1, it is characterised in that: the system
Each unit is connected by pipeline, which is equipped with controllable valve and flowmeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820919485.8U CN208594145U (en) | 2018-06-14 | 2018-06-14 | Regenerate denitrating catalyst regenerative wastewater processing system |
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| CN201820919485.8U CN208594145U (en) | 2018-06-14 | 2018-06-14 | Regenerate denitrating catalyst regenerative wastewater processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316885A (en) * | 2019-08-16 | 2019-10-11 | 闫巍 | A kind of denitrating catalyst regenerative wastewater multistage electrochemical treatments system |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316885A (en) * | 2019-08-16 | 2019-10-11 | 闫巍 | A kind of denitrating catalyst regenerative wastewater multistage electrochemical treatments system |
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