CN204208887U - One way of life garbage burning factory Leachate site returns spray burning processing system - Google Patents
One way of life garbage burning factory Leachate site returns spray burning processing system Download PDFInfo
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- CN204208887U CN204208887U CN201420500904.6U CN201420500904U CN204208887U CN 204208887 U CN204208887 U CN 204208887U CN 201420500904 U CN201420500904 U CN 201420500904U CN 204208887 U CN204208887 U CN 204208887U
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Abstract
The utility model provides one way of life garbage burning factory Leachate site to return spray burning processing system, comprises Leachate Collecting System, filters induction system and Leachate site spraying system; Described filtration induction system comprises single filter induction system and cascade filtration induction system, described Leachate Collecting System is connected with described Leachate site spraying system after two-stage conveying system through first-level transport system successively, and described Leachate site spraying system is connected to incinerator; Also comprise Central Control Room, the control system of described Leachate site spraying system and described Central Control Room communication, according to the temperature in incinerator to described Leachate site spraying system feedback injection signal temperature.The Leachate site that Leachate site stoste pond is collected delivers to incinerator by Leachate site spraying system after double-filtration induction system is filtered, and fully can decompose garbage leachate, and the automaticity of system is high, easy to operate.
Description
Technical field
The utility model relates to field of domestic garbage treatment, is specifically related to one way of life garbage burning factory Leachate site and returns spray burning processing system.
Background technology
Waste incineration is thought that Relative resource is more saved because of it by industry, is processed more thoroughly refuse disposal mode, becomes the main selection of numerous government in many trash processing way, obtains deep development by continuing.
But the leachate treatment problem of incineration plant after waste incineration is relatively serious, because Leachate site very high concentrations, complicated component, generation are very large, reach that to enter standard difficulty required by municipal sewage plant larger.Therefore, in the operation of garbage burning factory, the collection of Leachate site and process are piths of whole incineration plant normal operation.
Leachate treatment generally adopts the treatment process such as biological treatment and counter-infiltration, as some incineration plant in engineering adopt reverse osmosis technology process Leachate site, although effluent quality reaches first discharge standard (GB16889-1997), but water rate is only 70-80%, cost is quite high, and the concentrate formed is more difficult.
In western countries due to eating habit, the kitchen excess in rubbish is few, calorific value is high and Leachate site output is few, and the percolate process of burning power plant generally have employed back spray incineration technology.But at home, because changing food waste component in rubbish is large, mean calorie is compared with low and Leachate site output is large, Leachate site returns the developing direction that spray incineration technology is garbage burning factory Leachate site disposal from now on, simultaneously for the waste incineration and generating electricity industry of China, it is also a technical problem needing solution badly that Leachate site returns spray incineration technology.
Utility model content
In view of this, the utility model provides one way of life garbage burning factory Leachate site to return spray burning processing system, is intended to the Leachate site and the unmanageable problem of concentrate thereof that solve garbage burning factory existence.
The technical solution adopted in the utility model is specially: one way of life garbage burning factory Leachate site returns spray burning processing system, comprises Leachate Collecting System, filters induction system and Leachate site spraying system; Described filtration induction system comprises single filter induction system and cascade filtration induction system, described Leachate Collecting System is connected with described Leachate site spraying system after two-stage conveying system through first-level transport system successively, and described Leachate site spraying system is connected to incinerator; Also comprise Central Control Room, the control system of described Leachate site spraying system and described Central Control Room communication, according to the temperature in incinerator to described Leachate site spraying system feedback injection signal temperature.
Described Leachate Collecting System comprises oozes Li Yuanyechi, Leachate site filtering pond, intermediate buffer tank and leachate treatment device; Described single filter induction system comprises the first-level transport pump and one-level self-cleaning filter that connect successively, and described cascade filtration induction system comprises the two-stage conveying pump and secondary self-cleaning filter that connect successively; Described Leachate site stoste pond is connected with Leachate site filtering pond through single filter induction system; Described Leachate site filtering pond is connected with described Leachate site spraying system through cascade filtration induction system, and described intermediate buffer tank is located between described cascade filtration induction system and described Leachate site spraying system.
Described one-level self-cleaning filter is also connected with leachate treatment device, and described leachate treatment device is connected to Leachate site filtering pond further, and described leachate treatment device is also provided with recycle-water outlet.
Described one-level self-cleaning filter and described secondary self-cleaning filter are suction type self-cleaning filter, the filtering accuracy of described secondary self-cleaning filter is higher than the filtering accuracy of one-level self-cleaning filter, and described one-level self-cleaning filter and described secondary self-cleaning filter are connected to tap water pipe line.
Described first-level transport pump and described two-stage conveying pump are peristaltic pump.
Described Leachate site stoste pond, described filtering pond and described intermediate buffer tank are configured with fluid level transmitter respectively, described in every platform, fluid level transmitter is provided with liquid level warning control point, fluid level transmitter and Central Control Room communication, for reaching Central Control Room by the liquid level signal in described Leachate site stoste pond, described filtering pond and described intermediate buffer tank.
Also be provided with blower fan one and blower fan two, blower fan one is for extracting the wind regime outside Leachate site stoste pond and Leachate site filtering pond, and blower fan two is for extracting the wind regime in Leachate site stoste pond and Leachate site filtering pond.
Described Leachate site spraying system comprises at least one burning line in parallel, burn line described in every bar and comprise the jet pump and ejecting gun group that connect successively, described jet pump is connected with intermediate buffer tank, be connected to tap water pipe line between described jet pump and described intermediate buffer tank, described ejecting gun group extends in the burner hearth of incinerator.
Described ejecting gun group comprises 4 ejecting guns in parallel, and each described ejecting gun is connected to compressed air line.
Described ejecting gun is two-fluid jet rifle, and described two-fluid jet rifle is provided with retractor device and protective casing, and the stroke of described two-fluid jet rifle is 300mm, air water volume ratio 80:1, spray angle 60 °.
The beneficial effect that the utility model produces is:
Municipal solid waste incinerator Leachate site of the present utility model returns spray burning processing system and adopts double-filtration to achieve abundant resolution process to percolate, also can process the concentrate that Other Waste processing mode produces simultaneously further, greatly reduce the generation of secondary pollution; The automatic controlling extent of simultaneity factor is high, easy to operate, initial investment and operation maintenance cost lower; Owing to adopting atomized spray, percolate is evenly evaporated in burner hearth, and good combustion conditions ensure that the generating efficiency of power plant; Combine with burning process, the mode of being lowered the temperature by appropriateness decreased the infringement of heat smoke to burner hearth, the generation of slagging prevention situation simultaneously, was conducive to incinerator long-term stability and ran.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, more completely the utility model can be understood better.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof, for explaining the utility model, do not form improper restriction of the present utility model, wherein:
Fig. 1 is the structural representation that the utility model one way of life garbage burning factory Leachate site returns spray burning processing system.
In figure: 1, Leachate site stoste pond; 2, first-level transport pump (peristaltic pump); 3, stoste pit level transmitter; 4, one-level self-cleaning filter (suctorial type); 5, leachate treatment device; 6, Leachate site filtering pond; 7, two-stage conveying pump (peristaltic pump); 8, filtering pit level transmitter; 9, secondary self-cleaning filter (suctorial type); 10, intermediate buffer tank; 11, surge tank fluid level transmitter; 12, jet pump (screw pump); 13, two-fluid jet rifle; 14, blower fan.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
One way of life garbage burning factory Leachate site as shown in Figure 1 returns spray burning processing system, concrete technology is: the Leachate site that dump pit and/or pusher are collected enters in Leachate site stoste pond 1, to be delivered in one-level self-cleaning filter 4 by Leachate site by first-level transport pump 2 and to carry out first-stage preliminary filtration, the Leachate site after first-stage preliminary is filtered has two places to go:
One, is sent in leachate treatment device 5, is stored through recycle-water outlet by the recycle-water up to standard produced after the mode process such as biological treatment, film process;
Its two, be directly sent to Leachate site filtering pond 6 when leachate treatment device 5 breaks down, the concentrate that simultaneously in one situation, leachate treatment device 5 produces also can enter Leachate site filtering pond 6 further, carries out follow-up returning spray burning disposal.
After above-mentioned single filter, the Leachate site in Leachate site filtering pond 6 enters in intermediate buffer tank 10 through two-stage conveying pump 7, secondary self-cleaning filter 9.Wherein the filtering accuracy of secondary self-cleaning filter 9 is higher than single filter, can reach 100 orders, and the Leachate site after above-mentioned cascade filtration filters further can reach eject request.
Preferred as one, self-cleaning filter (4,9) for being suction type self-cleaning filter, and is provided with pressure difference switch and integrated manipulator.When Leachate site flows through, respectively by thick, thin screen pack, impurity is retained by filter screen, when the pressure reduction reaching Preset Time or water inlet pipe and water outlet pipe reaches preset value, pressure difference switch starts, electric-control system enters backwashing procedures (running water is entered by filter inlet), now continue to flow, the suction that soil pick-up process produces by suction nozzle in filter carries out, simultaneously driven by motor dirt sucking tube is spinned motion vertically, and the combination of dirt sucking device axially-movable and rotary motion is by complete totally clear for whole filter screen inner surface.The recoil time can be preset by integrated manipulator.
In addition, Leachate site stoste pond 1, filtering pond 6 and intermediate buffer tank 10 are configured with respectively fluid level transmitter (3,8,11), continuous liquid level signal in pond (tank) is reached Central Control Room, and LL, L, H, HH liquid level warning control point is set, control the start and stop of first-level transport pump 2 and two-stage conveying pump 7 and jet pump 12, avoid its free-runing operation.
In the present embodiment, delivery pump (2,7) all selects peristaltic pump, the Leachate site of conveying carries out transmitting and not contacting with the pump housing in high resiliency flexible pipe, avoids Leachate site to pump parts and corrodes, prevent the pollution that the leakage of Leachate site causes surrounding environment.As preferably, every grade is filtered induction system and is equipped with 2 delivery pumps, the using and the reserved, when the delivery pump generation operation troubles of duty, and the automatic conversion operation of the pump housing for subsequent use.
Two identical burning lines are provided with in the present embodiment; share a set of Leachate site and filter induction system; every bar burns line and configures separately a set of Leachate site injection apparatus; every platform incinerator configures 4 two-fluid jet rifles 13, point two-layer layout, and ejecting gun is with retractor device and protective casing; stroke is about 300mm; air water volume ratio is 80, and spray angle is 60 °, and nozzle selects corrosion-resistant, resistant to elevated temperatures 316Ti material.
In course of injection, when Programmable detection to the head temperature of incinerator more than 740 DEG C or two seconds temperature of incinerator more than 870 DEG C time, and the intermediate buffer tank 10 of Leachate site not low warning when, select to advance corresponding two-fluid jet rifle 13, automatically open jet pump 12; When temperature return setting value in Programmable detection incinerator, stop jet pump 12, and with the running water cleaning pump housing and pipeline, exit spray gun.If without Leachate site and systems axiol-ogy to the 3rd section of superheater temperature more than 650 DEG C time, then carry running water to carry out atomized liquid injection to two-fluid jet rifle 13 by jet pump 12, realize cool to preset value.
In the present embodiment, screw pump selected by jet pump 12; screw pump carries heat portective switch; flow trim pulse free; adopt VFC; injection flow is determined by combustion control system; and regulated by the frequency conversion drive of jet pump 12, be the Extending Rotor life-span, be preferably less than the model of 200rpm with rotating speed.Every bar burns line and is equipped with 2 screw pumps, the using and the reserved, and one operation troubles occurs, another automatic conversion operation for subsequent use.
For avoiding because indoor fuel gas enrichment may cause causing danger, system is also provided with two Fans 14, wherein one (left side in figure) is for extracting the wind regime outside Leachate site stoste pond and Leachate site filtering pond 6, another (right side in figure) then extracts the wind regime in Leachate site stoste pond 1 and Leachate site filtering pond 6, fuel gas is caused outdoor or other have good ventilation conditioned place.
As mentioned above; embodiment of the present utility model is explained; obviously, as long as do not depart from fact inventive point of the present utility model and effect, will be readily apparent to persons skilled in the art distortion, is also all included within protection domain of the present utility model.
Claims (10)
1. one way of life garbage burning factory Leachate site returns spray burning processing system, it is characterized in that, comprises Leachate Collecting System, filters induction system and Leachate site spraying system; Described filtration induction system comprises single filter induction system and cascade filtration induction system, described Leachate Collecting System is connected with described Leachate site spraying system after two-stage conveying system through first-level transport system successively, and described Leachate site spraying system is connected to incinerator; Also comprise Central Control Room, the control system of described Leachate site spraying system and described Central Control Room communication, according to the temperature in incinerator to described Leachate site spraying system feedback injection signal temperature.
2. municipal solid waste incinerator Leachate site according to claim 1 returns spray burning processing system, it is characterized in that, described Leachate Collecting System comprises oozes Li Yuanyechi, Leachate site filtering pond, intermediate buffer tank and leachate treatment device;
Described single filter induction system comprises the first-level transport pump and one-level self-cleaning filter that connect successively,
Described cascade filtration induction system comprises the two-stage conveying pump and secondary self-cleaning filter that connect successively;
Described Leachate site stoste pond is connected with Leachate site filtering pond through single filter induction system; Described Leachate site filtering pond is connected with described Leachate site spraying system through cascade filtration induction system, and described intermediate buffer tank is located between described cascade filtration induction system and described Leachate site spraying system.
3. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, described one-level self-cleaning filter is also connected with leachate treatment device, described leachate treatment device is connected to Leachate site filtering pond further, and described leachate treatment device is also provided with recycle-water outlet.
4. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, described one-level self-cleaning filter and described secondary self-cleaning filter are suction type self-cleaning filter, the filtering accuracy of described secondary self-cleaning filter is higher than the filtering accuracy of one-level self-cleaning filter, and described one-level self-cleaning filter and described secondary self-cleaning filter are connected to tap water pipe line.
5. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, described first-level transport pump and described two-stage conveying pump are peristaltic pump.
6. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, system also arranges blower fan one and blower fan two, blower fan one is for extracting the wind regime outside Leachate site stoste pond and Leachate site filtering pond, and blower fan two is for extracting the wind regime in Leachate site stoste pond and Leachate site filtering pond.
7. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, described Leachate site stoste pond, described filtering pond and described intermediate buffer tank are configured with fluid level transmitter respectively, described in every platform, fluid level transmitter is provided with liquid level warning control point, fluid level transmitter and Central Control Room communication, for reaching Central Control Room by the liquid level signal in described Leachate site stoste pond, described filtering pond and described intermediate buffer tank.
8. municipal solid waste incinerator Leachate site according to claim 2 returns spray burning processing system, it is characterized in that, described Leachate site spraying system comprises at least one burning line in parallel, burn line described in every bar and comprise the jet pump and ejecting gun group that connect successively, described jet pump is connected with intermediate buffer tank, be connected to tap water pipe line between described jet pump and described intermediate buffer tank, described ejecting gun group extends in the burner hearth of incinerator.
9. municipal solid waste incinerator Leachate site according to claim 8 returns spray burning processing system, it is characterized in that, described ejecting gun group comprises four ejecting guns in parallel, and each described ejecting gun is connected to compressed air line.
10. municipal solid waste incinerator Leachate site according to claim 9 returns spray burning processing system; it is characterized in that; described ejecting gun is two-fluid jet rifle; described two-fluid jet rifle is provided with retractor device and protective casing; the stroke of described two-fluid jet rifle is 300mm; air water volume ratio 80:1, spray angle 60 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420500904.6U CN204208887U (en) | 2014-09-01 | 2014-09-01 | One way of life garbage burning factory Leachate site returns spray burning processing system |
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| CN201420500904.6U CN204208887U (en) | 2014-09-01 | 2014-09-01 | One way of life garbage burning factory Leachate site returns spray burning processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613200A (en) * | 2018-06-29 | 2018-10-02 | 宝武集团环境资源科技有限公司 | For pretreatment system and its method before rolling system oily waste liquor incineration disposal |
| CN111396884A (en) * | 2020-03-25 | 2020-07-10 | 上海城投瀛洲生活垃圾处置有限公司 | Leachate circulation heating system |
-
2014
- 2014-09-01 CN CN201420500904.6U patent/CN204208887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613200A (en) * | 2018-06-29 | 2018-10-02 | 宝武集团环境资源科技有限公司 | For pretreatment system and its method before rolling system oily waste liquor incineration disposal |
| CN108613200B (en) * | 2018-06-29 | 2024-03-12 | 宝武集团环境资源科技有限公司 | Pretreatment system and pretreatment method for oil-containing waste liquid of steel rolling system before incineration disposal |
| CN111396884A (en) * | 2020-03-25 | 2020-07-10 | 上海城投瀛洲生活垃圾处置有限公司 | Leachate circulation heating system |
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