CN205313246U - Denitration catalyst washing wastewater processing apparatus - Google Patents
Denitration catalyst washing wastewater processing apparatus Download PDFInfo
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- CN205313246U CN205313246U CN201521033587.2U CN201521033587U CN205313246U CN 205313246 U CN205313246 U CN 205313246U CN 201521033587 U CN201521033587 U CN 201521033587U CN 205313246 U CN205313246 U CN 205313246U
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Abstract
The utility model relates to an environmental protection equipment technical field, concretely relates to denitration catalyst washing wastewater processing apparatus, including the wastewater disposal basin, the pressure filter, the reaction tank, the circulatory pool, membrane processing system, the exit end of wastewater disposal basin and the feed liquor of pressure filter end intercommunication, the play liquid end of pressure filter and the feed liquor end intercommunication of reaction tank, the play liquid end of reaction tank and the feed liquor end intercommunication of circulatory pool, the play liquid end of circulatory pool and membrane processing system's feed liquor end intercommunication, the intercommunication is held with the feed liquor of circulatory pool to membrane processing system's the liquid end that returns, the reaction tank is provided with says and carries out the online pH monitor that pH detected to liquid in the reaction tank with the pencil. The utility model discloses a large amount of manpower and material resources resources has been practiced thrift to the treatment effeciency that has improved waste water is being shown, and national emission standard or retrieval and utilization in the catalyst water for washing and the processing of preparing for the reaction tank medicament etc. Construction waste water such as adaptation SCR catalyst washing can be reached totally.
Description
Technical field
This utility model relates to technical field of environment protection equipment, is specifically related to a kind of denitrating catalyst and cleans wastewater treatment equipment.
Background technology
In the denitration technology of numerous coal-burning power plants, SCR (selective catalytic reduction) be apply in the world at most at present, the most effective a kind of gas denitrifying technology. Catalyst is the core of SCR technology, accounts for about the 40% of whole denitrification apparatus total cost. After SCR catalyst uses a period of time, all can more or less there is the fouling of catalyst duct and even block and the phenomenon such as catalyst poisoning, thus causing that denitration efficiency declines, may result in unit operation simultaneously and breaking down. So, it is carried out being exactly very necessary to the catalyst of ash deposit and slag buildup and activity decrease, also it is the premise that catalyst is carried out activating and regenerating, so can be greatly saved catalyst change cost and avoid more catalyst changeout to cause secondary pollution, such that it is able to significantly reduce SCR catalyst to use the production cost of enterprise.
SCR catalyst cleaning process can produce a large amount of waste water, containing a large amount of sludge suspension things in waste water, sludge suspension thing also can contain a small amount of heavy metal ion; Consider from the angle of environmental conservation, it is necessary to carry out waste water integrated treatment and even recycle to discharge after being up to state standards. General waste water treatment process is and directly first waste water is added a large amount of medicaments, and to occur physical reaction to settle the float in waste water and ionic state material, such sludge suspension thing inherently can consume a large amount of medicament; In addition the mud that tradition press filteration system is generally press-filtered out needs artificial shovel dress and carrying, consumes manpower and materials and inefficient; Finally, general waste water treatment process is to the more difficult removal of heavy metal in waste water plasma, it is easy to cause environmental pollution.
Summary of the invention
For above-mentioned technical problem, this utility model provides a kind of denitrating catalyst rational in infrastructure, easy for installation to clean wastewater treatment equipment, waste water containing a large amount of sludge suspension things can be carried out filter pressing, then water is produced in filter pressing and carry out subsequent treatment again, so can greatly reduce and treatment agent made consumption, thus saving cost, improving efficiency, it is substantially reduced the consumption to treatment agent resource simultaneously, and final product water can be up to state standards and discharge or recycle.
Realize the technical solution of the utility model as follows:
Denitrating catalyst cleans wastewater treatment equipment, including wastewater disposal basin, pressure filter, reaction tank, circulatory pool, film processing system, the port of export of wastewater disposal basin connects with the liquid feeding end of pressure filter, the liquid outlet of pressure filter connects with the liquid feeding end of reaction tank, the liquid outlet of reaction tank connects with the liquid feeding end of circulatory pool, the liquid outlet of circulatory pool connects with the liquid feeding end of film processing system, the liquid returning end of film processing system connects with the liquid feeding end of circulatory pool, and reaction tank is provided with drug feeding pipeline and liquid in reaction tank carries out the online pH monitor of pH detection.
Further, in order to make in the smooth and easy entrance pressure filter of the liquid in wastewater disposal basin, the first membrane pump between the wastewater disposal basin port of export and pressure filter liquid feeding end, it is connected to.
Further, in order to make liquid emptying and formation water conservancy diversion in wastewater disposal basin, and being conducive to the concentration of precipitating sludge in waste water, the bottom of wastewater disposal basin is set to funnel-form.
Further, in order to realize that pressure filter impurity out is collected automatically, pressure filter is arranged below collection system, and collection system includes being in the diversion division that pressure filter inclined downward is arranged, it is arranged on the collection portion below diversion division, is in the portable collecting box below collection portion.
Further, described reaction tank and circulatory pool are arranged side by side, and are provided with overfall between reaction tank and circulatory pool.
Further, uniformly carrying out fully to react, and prevent bottom from forming precipitate, be provided with bubbling device bottom described reaction tank, this bubbling device includes the bubbling portion of air inlet pipe, connection air inlet pipe, and described air inlet pipe connects the outlet side of an air compressor machine.
Further, the blocking at pipeline, membrane pump place is avoided in order to pipeline is formed recoil, the outlet side of described air compressor machine is respectively communicated with inlet and the air inlet of the first membrane pump by pipeline, is respectively fitted with valve between air compressor machine outlet side and the first membrane pump inlet, air inlet.
Further, the sewage pump pumping in circulatory pool by reaction tank bottom liquid it is provided with between described reaction tank and circulatory pool.
Further, the second membrane pump pumping in wastewater disposal basin by circulatory pool bottom liquid it is provided with between circulatory pool and wastewater disposal basin.
Further, the inlet of described second membrane pump and air inlet are respectively communicated with the outlet side of an air compressor machine, are respectively fitted with valve between air compressor machine outlet side and the second membrane pump inlet, air inlet.
Have employed technique scheme, wastewater disposal basin is used for collecting waste water, the funnel-shaped structure of its underpart is conducive to the concentration of precipitating sludge in waste water, mud waste water is squeezed in pressure filter by the first membrane pump of bottom in the lump, if meet the first membrane pump sludge carrier pipe road blocking by chance simultaneously, opens pneumatic recoil valve to wash block part open. Mud waste water first passes around pressure filter and processes, to remove the solid matters such as a large amount of mud in waste water, automatically fall within collecting box through the diversion division of funnel-shaped structure collection when the mud cake being press-filtered out falls, collecting box at least can be contained batch of mud cake amount, then collecting box is transported by fork truck, achieving automatization's mud extraction, to receive mud and efficiency high, the completely left out hard work of manpower transport's mud, greatly reduces manpower consumption and improves work efficiency. Owing to pressure filter is higher, pressure filtration yielding water can be introduced directly into reaction tank through piping, and without any external force, then dosing carries out physical reaction; If waste water first dosing carries out physical reaction, consume a large amount of medicament in a large amount of mud, the dosing of physical reaction can be greatly saved, thus the saving cost that economizes on resources; Reaction tank is provided with online pH detector, and automatically controlling pond liquid pH value can be realized, heavy metal plasma can be made when pH is 89 to form molecular state precipitate;Bubbling device is installed bottom reaction tank, is conducive to the uniformly sufficiently conducted of reaction, and prevents bottom from forming precipitate so that whole pond muddiness sewage naturally enters circulatory pool uniformly through overfall; It is additionally provided with sewage pump pipeline bottom reaction tank, for the waste water in reaction tank being squeezed into circulatory pool when wastewater treatment terminates by the gross, finally accomplishes that waste water all processes. The overfall of circulatory pool top overfall and reaction tank is same passage, opposite side is provided with sewage pump pipeline for waste water is squeezed into film processing system, and receive the dense water of backflow from film processing system, bottom is provided with the second membrane pump for the muddy water of precipitation at the bottom of pond is squeezed into wastewater disposal basin, is simultaneously provided with pneumatic back flush line in case line clogging. Float in waste water and molecular state material can all be filtered and be back to circulatory pool by film processing system, only water and ionic state material become product water by film, this product water has filtered out heavy metal ion etc., and every physical and chemical indexes all can reach the water circulation use standard such as discharging standards and catalyst wash. This utility model has saved substantial amounts of human and material resources, and significantly improve the treatment effeciency of waste water, and be fully able to and reach discharging standards or be back to catalyst wash water and preparation reaction tank with medicament etc., adapt to the process of the construction waste waters such as SCR catalyst cleaning. This utility model filter pressing mud extraction achieves and adopts special confection to combine advanced membrane technology, it is achieved that the removal to contaminated ions such as heavy metal in waste waters, it is to avoid to environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is wastewater disposal basin, 2 is pressure filter, 3 is reaction tank, 4 is circulatory pool, 5 is film processing system, 6 for entering waste pipe, 7 is drug feeding pipeline, 8 is online pH monitor, 9 is the first membrane pump, 10 is diversion division, 11 is collection portion, 12 is collecting box, 13 is overfall, 14 is air inlet pipe, 15 is bubbling portion, 16 is air compressor machine, 17 is valve, 18 is sewage pump, 19 is the second membrane pump, 20 is pressure filtration yielding water pipeline, 21 is support, 22 is sewage pump, 23 is pipeline, 24 is pneumatic backflushing pipe, 25 is water production pipeline, 26 is valve, 27 is pipeline, 28 for controlling valve.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of this utility model embodiment, the technical scheme of this utility model embodiment is clearly and completely described. Obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiments. Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under the premise without creative work, broadly fall into the scope of this utility model protection. As this utility model is mainly used in the wastewater treatment that denitrating catalyst cleans; but it is not limited to the wastewater treatment use that denitrating catalyst cleans; many waste water all can be processed by this device, uses similar device all should work as and belong to protection domain of the present utility model processing waste water.
Referring to Fig. 1, denitrating catalyst cleans wastewater treatment equipment, including wastewater disposal basin 1, pressure filter 2, reaction tank 3, circulatory pool 4, film processing system 5, wastewater disposal basin has into waste pipe 6, the waste water entering waste pipe discharge is carried out heavy at the beginning of waste water and accumulation by wastewater disposal basin, the port of export of wastewater disposal basin connects with the liquid feeding end of pressure filter, the liquid outlet of pressure filter connects with the liquid feeding end of reaction tank, the liquid outlet of reaction tank connects with the liquid feeding end of circulatory pool, the liquid outlet of circulatory pool connects with the liquid feeding end of film processing system, the liquid returning end of film processing system connects with the liquid feeding end of circulatory pool, reaction tank is provided with drug feeding pipeline 7 and liquid in reaction tank carries out the online pH monitor 8 of pH detection.
It is connected between the wastewater disposal basin port of export and pressure filter liquid feeding end and there is the first membrane pump 9 lashing sludge function. Wastewater disposal basin top has into waste pipe 6 with from the muddy water pipeline 19 beaten by the second membrane pump bottom circulatory pool. Wastewater disposal basin bottom is set to funnel-form.
Pressure filter includes filter cloth, pressing plate and pressure filtration yielding water pipeline 20, owing to existing various forms of pressure filter all can use at this, thus its concrete arrangement does not just enumerate, when pressure filter assembles, thereunder there is certain altitude to meet the installation of the collection system under it; Pressure filter is arranged below collection system, and collection system includes being in the diversion division 10 that pressure filter inclined downward is arranged, is arranged on the collection portion 11 below diversion division, is in the portable collecting box 12 below collection portion. Regather and support 21 is installed bottom case 12 fork truck can be facilitated just to insert bottom to transport mud cake.
Reaction tank and circulatory pool are arranged side by side, and are provided with overfall 13 between reaction tank and circulatory pool. Reaction tank 3 is in order to collect the sewage from filter pressing water production pipeline 20, to carry out further physical reaction process, the drug feeding pipeline 7 installed in reaction tank, wherein dosing is by dosing pump by arranging Automatic Program dosing, and the water used that makes up a prescription directly is provided by the product water of film processing system; Online pH detector 8 it is also equipped with, within the scope of it can add the pH value of alkali regulation and control pond liquid according to the pH value automatical dosing arranged and be maintained at the pH of setting in reaction tank 3;
Bubbling device it is provided with bottom reaction tank, this bubbling device includes the bubbling portion 15 of air inlet pipe 14, connection air inlet pipe, air inlet pipe 14 is provided with control valve 28, described air inlet pipe connects the outlet side of an air compressor machine 16, and the reaction after dosing or acid adding so can be made to add alkali uniformly and makes whole pond muddiness waste water uniformly through overfall 13 automatically in circulatory pool 4; The bottom of reaction tank 4 is also equipped with sewage pump 22, and it continues with for reaction tank liquid being squeezed into circulatory pool 4 when wastewater treatment terminates by the gross, in order to finally do not have waste water to remain.
In circulatory pool 4 waste water through sewage pump 22 squeeze into film processing system 5 and after treatment dense water be back to circulatory pool then through pipeline 23, pool bottom sludge is squeezed into wastewater disposal basin through the second membrane pump 19 by pipeline 27 and is started the process over and finally still have part can be back to circulatory pool to process; Anticlogging pneumatic backflushing pipe 24 is also installed bottom circulatory pool 4. Solid suspension in the waste water of entrance and molecular state material can be all partitioned to dense water by film processing system 5, only hydrone and ionic state material by film and enter water production pipeline 25, the clear appearance of this product water is transparent and includes every physical and chemical indexes of heavy metal and all can reach state sewage emission standard, produces water and can be directly used for catalyst wash and preparation reaction tank with medicament etc.
The outlet side of air compressor machine is respectively communicated with inlet and the air inlet of the first membrane pump 9 by pipeline, is respectively fitted with valve 17 between air compressor machine outlet side and the first membrane pump inlet, air inlet. The sewage pump 18 pumping in circulatory pool by reaction tank bottom liquid it is provided with between reaction tank and circulatory pool. The second membrane pump 19 being pumped to by circulatory pool bottom liquid in wastewater disposal basin it is provided with between circulatory pool and wastewater disposal basin. The inlet of the second membrane pump and air inlet are respectively communicated with the outlet side of air compressor machine 16, are respectively fitted with valve 26 between air compressor machine outlet side and the second membrane pump inlet, air inlet.
Operation principle of the present utility model is: be first the muddy waste water containing a large amount of sludge suspension things carries out filter pressing with solid matters such as the mud of removing in waste water, thus greatly reducing the pharmaceutical quantities needing to add in next step reaction tank;Simultaneously, press filteration system adopts full-automation design, when pressure filter presses release after mud cake, mud cake can automatically fall collection in collecting box along funnel structure, last collecting box is transported by fork truck, it is unattended that overall process achieves automatization, greatly reduces bitter tired cost of labor, and significantly improves waste water treatment efficiency. Then pressure filtration yielding water enters reaction tank and enters back into circulatory pool after physical reaction is debugged, and finally by film processing system, waste water is carried out fine processing and with qualified discharge or is recycling in catalyst wash and the preparation etc. of reaction tank with medicament.
Claims (10)
1. denitrating catalyst cleans wastewater treatment equipment, it is characterized in that, including wastewater disposal basin, pressure filter, reaction tank, circulatory pool, film processing system, the port of export of wastewater disposal basin connects with the liquid feeding end of pressure filter, the liquid outlet of pressure filter connects with the liquid feeding end of reaction tank, the liquid outlet of reaction tank connects with the liquid feeding end of circulatory pool, the liquid outlet of circulatory pool connects with the liquid feeding end of film processing system, the liquid returning end of film processing system connects with the liquid feeding end of circulatory pool, and reaction tank is provided with drug feeding pipeline and liquid in reaction tank carries out the online pH monitor of pH detection.
2. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterised in that be connected to the first membrane pump between the wastewater disposal basin port of export and pressure filter liquid feeding end.
3. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterised in that wastewater disposal basin bottom is set to funnel-form.
4. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterized in that, pressure filter is arranged below collection system, collection system includes being in the diversion division that pressure filter inclined downward is arranged, it is arranged on the collection portion below diversion division, is in the portable collecting box below collection portion.
5. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterised in that described reaction tank and circulatory pool are arranged side by side, and are provided with overfall between reaction tank and circulatory pool.
6. denitrating catalyst according to claim 1 or claim 2 cleans wastewater treatment equipment, it is characterized in that, being provided with bubbling device bottom described reaction tank, this bubbling device includes the bubbling portion of air inlet pipe, connection air inlet pipe, and described air inlet pipe connects the outlet side of an air compressor machine.
7. denitrating catalyst cleans wastewater treatment equipment according to claim 6, it is characterized in that, the outlet side of described air compressor machine is respectively communicated with inlet and the air inlet of the first membrane pump by pipeline, is respectively fitted with valve between air compressor machine outlet side and the first membrane pump inlet, air inlet.
8. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterised in that be provided with the sewage pump pumping in circulatory pool by reaction tank bottom liquid between described reaction tank and circulatory pool.
9. denitrating catalyst cleans wastewater treatment equipment according to claim 1, it is characterised in that be provided with the second membrane pump pumping in wastewater disposal basin by circulatory pool bottom liquid between circulatory pool and wastewater disposal basin.
10. denitrating catalyst cleans wastewater treatment equipment according to claim 9, it is characterized in that, the inlet of described second membrane pump and air inlet are respectively communicated with the outlet side of an air compressor machine, are respectively fitted with valve between air compressor machine outlet side and the second membrane pump inlet, air inlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033587.2U CN205313246U (en) | 2015-12-14 | 2015-12-14 | Denitration catalyst washing wastewater processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521033587.2U CN205313246U (en) | 2015-12-14 | 2015-12-14 | Denitration catalyst washing wastewater processing apparatus |
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| CN205313246U true CN205313246U (en) | 2016-06-15 |
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| CN201521033587.2U Active CN205313246U (en) | 2015-12-14 | 2015-12-14 | Denitration catalyst washing wastewater processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606436A (en) * | 2020-06-03 | 2020-09-01 | 浙江天地环保科技股份有限公司 | Denitration catalyst regeneration wastewater pretreatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606436A (en) * | 2020-06-03 | 2020-09-01 | 浙江天地环保科技股份有限公司 | Denitration catalyst regeneration wastewater pretreatment system and method |
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