CN103432803B - Sewage circulating treating system and coal mine equipment - Google Patents
Sewage circulating treating system and coal mine equipment Download PDFInfo
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- CN103432803B CN103432803B CN201310342723.5A CN201310342723A CN103432803B CN 103432803 B CN103432803 B CN 103432803B CN 201310342723 A CN201310342723 A CN 201310342723A CN 103432803 B CN103432803 B CN 103432803B
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Abstract
The present invention proposes a kind of sewage circulating treating system and mine equipment, this sewage circulating treating system is for the sewage disposal of coal mine equipment wet dedusting system, this sewage circulating treating system comprises that this first water filtering tank comprises the sewage inlet being connected with this coal mine equipment wet dedusting system sewage effluent, the water purification discharge outlet that is arranged at the screen pack in this first water filtering tank and is connected with this water pump for the first water filtering tank and for the water purification after being filtered by this first water filtering tank being delivered to the water pump of this coal mine equipment wet dedusting system. Sewage circulating treating system can be collected the sewage originally being come on operation working face by coal mine equipment wet dedusting system, filter, again the water purification after filtering is recycled by water pump pumps to coal mine equipment wet dedusting system, so both can prevent the infringement of sewage to operation working face, thereby raising operating efficiency, can, by impurity filterings such as the mud in sewage, reduce the generation of environmental pollution again.
Description
Technical field
The present invention relates to effluent cycle process field, relate in particular to a kind of sewage circulating treating system and toolThere is the coal mine equipment of this sewage circulating treating system.
Background technology
At present, the application of coal mine equipment wet dedusting system is very extensive, pumping equipment ratio under collieryUnder more complete condition, operation has obtained vast colliery client's accreditation application. But, ChinaThe pumping equipment of most of colliery scope of operation is poor, and coal mine equipment wet dedusting system is at runningIn, produce a large amount of dedusting sewages, have a strong impact on the operating efficiency of coal mine equipment, mainly contain as follows notFoot:
1. the sewage discharge of coal mine equipment wet dedusting system, at operation working face, causes working faceForm water damage, have a strong impact on working face operating efficiency;
2. in dedusting sewage, contain the mud such as coal stone, slag, after discharge mine working face, be difficult to carry outFiltration treatment, causes environmental pollution.
Therefore, designing a kind of sewage that coal mine equipment wet dedusting system can be discharged purifies alsoRecycle, thereby improve the sewage circulating treating system of working face operating efficiency, minimizing environmental pollutionBecome the technical problem of being badly in need of solution.
Summary of the invention
In order to overcome above-mentioned defect and the deficiency of prior art, the object of the present invention is to provide the one canImprove the sewage circulating treating system of working face operating efficiency, minimizing environmental pollution.
This sewage circulating treating system, it is for the sewage disposal of coal mine equipment wet dedusting system,Described sewage circulating treating system comprises for the first water filtering tank and for will be by described the first water filtering tankWater purification after filtration is delivered to the water pump of described coal mine equipment wet dedusting system, wherein, and describedOne water filtering tank comprises the sewage being connected with described coal mine equipment wet dedusting system sewage effluentWater inlet, the water purification row who is arranged at the screen pack in described the first water filtering tank and is connected with described water pumpThe mouth of a river, sewage enters in described the first water filtering tank and through described screen pack by described sewage inletAfter filtration, entered in described water pump by described water purification discharge outlet, described in by described water pump, clarified water pump being delivered toIn coal mine equipment wet dedusting system.
Further, described screen pack comprises coarse filtration net and smart screen pack, and described coarse filtration net is fixedIn described the first water filtering tank, and foul water tank and coarse filtration water will be separated in described the first water filtering tankCase, described smart screen pack is arranged in described coarse filtration water tank.
Further, described smart screen pack is cylindrical shape screen pack, and described water purification draining is inserted in its one endIn mouthful; Or described smart screen pack is disc-shaped structure, it is arranged at described water purification discharge outlet place.
Further, the bottom of described the first water filtering tank offers sewage draining exit and for controlling described blowdownThe sewage draining exit controlling organization of mouth folding.
Further, described sewage draining exit comprises the first sewage draining exit and the second sewage draining exit, described the first blowdownMouth is opened in described foul water tank bottom, and described the second sewage draining exit is opened in described coarse filtration water tank bottom.
Further, described sewage circulating treating system also comprises for supporting described the first water filtering tankThe first bracing frame and be arranged at the first impurity transport vehicle of described the first water filtering tank below.
Further, described sewage circulating treating system also comprises the first base, described the first bracing frameTwo ends be connected with bottom and described first base of described the first water filtering tank respectively.
Further, on described the first water filtering tank, draining valve is set.
Further, on described the first water filtering tank, be also provided with for carrying out to described the first water filtering tankThe moisturizing interface of moisturizing, and for observing the water-level observation window of described the first water filtering tank middle water level situation.
Further, described the first water filtering tank comprises the angle regulator that regulates its angle, described inAngle regulator comprises adjusting screw, rotating shaft and adjusting support body, and described adjusting screw is arranged at instituteState on the sidewall of the first water filtering tank, described rotating shaft is fixed on described the first bracing frame, and described firstWater filtering tank is rotating to be arranged on described rotating shaft, described adjusting support body one end and described adjusting screwMatch, the other end is fixed on described the first bracing frame.
Further, described sewage circulating treating system also comprises identical with described the first water filtering tank structureThe second water filtering tank, the sewage inlet of described the second water filtering tank and described coal mine equipment wet dust removalSystem sewage effluent is connected, and the water purification discharge outlet of described the second water filtering tank is connected with described water pumpLogical, the sewage effluent of described coal mine equipment wet dedusting system and described sewage inlet and described inBetween the described sewage inlet of the second water filtering tank, be respectively arranged with the first sewage valve, the second sewage valve,Difference between water purification discharge outlet described in described water pump and described water purification discharge outlet and described the second water filtering tankBe provided with the first water purifying valve, the second water purifying valve.
The present invention also provides a kind of coal mine equipment that is provided with described sewage circulating treating system.
Sewage circulating treating system of the present invention can will be arranged by coal mine equipment wet dedusting system originallySewage on operation working face is collected, is filtered, then the water purification after filtering is passed through to water pump pumpsRecycle to coal mine equipment wet dedusting system, so both can prevent that sewage is to operation workDo the infringement of face, thereby improve operating efficiency, can, by impurity filterings such as the mud in sewage, reduce againThe generation of environmental pollution.
A kind of coal mine equipment that is provided with above-mentioned sewage circulating treating system provided by the invention, due toAbove-mentioned sewage circulating treating system has above-mentioned technique effect, therefore, is provided with this effluent cycle processingThe coal mine equipment of system also has corresponding technique effect.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, the present inventionSchematic description and description be used for explaining the present invention, do not form improper limit of the present inventionFixed. In the accompanying drawings:
Figure 1 shows that the side-looking of the first water filtering tank of the sewage circulating treating system of the embodiment of the present inventionFigure.
Figure 2 shows that the front view of the sewage circulating treating system of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is enteredRow is described clearly and completely, and obviously, described embodiment is only the present invention's part embodiment,Instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not havingHave and make the every other embodiment obtaining under creative work prerequisite, all belong to the present invention protectionScope.
Incorporated by reference to consulting Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of sewage circulating treating system,This sewage circulating treating system is arranged in coal mine equipment, with to coal mine equipment wet dedusting systemDeng carrying out effluent cycle processing. This sewage circulating treating system comprises the first water filtering tank 1 and for will be byWater purification after the first water filtering tank 1 filters is delivered to the water pump 9 of coal mine equipment wet dedusting system, itsIn, this first water filtering tank 1 comprises with this coal mine equipment wet dedusting system sewage effluent and being connectedSewage inlet 11, be arranged at screen pack 12 in this first water filtering tank 1 and with these water pump 9 phasesThe water purification discharge outlet 13 being communicated with, sewage enters in this first water filtering tank 1 by this sewage inlet 11And entered in this water pump 9 by this water purification discharge outlet 13 after screen pack 12 filters, by this water pump 9Clarified water pump is delivered in this coal mine equipment wet dedusting system. This sewage circulating treating system can be by formerThis sewage being come on operation working face by coal mine equipment wet dedusting system is collected, is filtered,Again the water purification after filtering is circulated sharp by water pump pumps to coal mine equipment wet dedusting systemWith, so both can prevent the infringement of sewage to operation working face, thereby improve the operation effect of working faceRate, again can be by impurity filterings such as the mud in sewage, the less generation of environmental pollution.
Below the concrete structure of this sewage circulating treating system is described in detail.
This sewage inlet 11 is opened on this first water filtering tank 1, and this sewage inlet 11 passes through waterPipe is connected with the sewage effluent of this coal mine equipment wet dedusting system. This coal mine equipment wet typeThe sewage that dust pelletizing system is discharged flows into this first water filtering tank 1 from this sewage inlet 11 by water pipe.
This screen pack 12 comprises coarse filtration net 121 and smart screen pack 122. This coarse filtration net 121 is fixingIn this first water filtering tank 1, and foul water tank and coarse filtration water tank will be separated in this first water filtering tank 1.Enter this foul water tank by sewage inlet 11, after this coarse filtration net 121 filters, enter coarse filtrationWater tank. Therefore the impurity such as coal stone, slag that, volume is larger is stopped in this dirt by this coarse filtration net 121In water tank.
This essence screen pack 122 is arranged in coarse filtration water tank. This essence screen pack 122 is a cylindrical shape mistakeFilter screen, insert in this water purification discharge outlet 13 its one end. This essence screen pack 122 can be by this coarse filtration waterSewage in case filters, and then flows in this water pump 9 by this water purification discharge outlet 13. In addition,The shape of this essence screen pack 122 is not limited only to above-mentioned columnar structured, as long as sewage can be carried out to essenceFilter structure all can, for example, this essence screen pack 122 also can be disc-shaped structure, it is arranged at thisWater purification discharge outlet 13 places.
This water purification discharge outlet 13 is opened in the bottom of this first water filtering tank 1 or the position of sidewall adjacent bottomPut. This water purification discharge outlet 13 is connected with this water pump 9 by water pipe.
It is wet that this water pump 9 is delivered to this coal mine equipment for the clarified water pump that this first water filtering tank 1 is dischargedIn formula dust pelletizing system, thereby the waste water of being discharged by this coal mine equipment wet dedusting system is circulatedRecycling.
In order to improve the efficiency of the impurity such as the coal stone of cleaning in this first water filtering tank 1, slag, mud,The bottom of this first water filtering tank 1 offers sewage draining exit 14 and for controlling the row of these sewage draining exit 14 foldingsDirty mouthful controlling organization. This sewage draining exit 14 is for remaining in after filtering in this first water filtering tank 1The impurity such as coal stone, slag, mud are discharged from this first water filtering tank 1. In this preferred embodiment,This sewage draining exit 14 comprises the first sewage draining exit 141 and the second sewage draining exit 142. This first sewage draining exit 141Be opened in this foul water tank bottom, for the impurity of foul water tank is discharged. This second sewage draining exit 142 is openedBe located at this coarse filtration water tank bottom, for the impurity of coarse filtration water tank is discharged. Correspondingly, this rowA dirty mouthful controlling organization comprises the first sewage draining exit controlling organization 151 and the second sewage draining exit controlling organization 152.It is one rotating that this first sewage draining exit controlling organization 151 and this second sewage draining exit controlling organization 152 areHandle, is connected with this first sewage draining exit 141 and the second sewage draining exit 142 respectively, by rotate thisOne sewage draining exit controlling organization 151 and this second sewage draining exit controlling organization 152 can be realized this first blowdownThe control of mouth 141 and the second sewage draining exit 142 foldings. In addition, this sewage draining exit controlling organization also can be byOther controlling organizations replace, as electrical control mechanism, hydraulic mechanism etc.
For the ease of by impurity such as the coal stone of being discharged by this sewage draining exit 14, slag, mud from working facePlace transports, and this sewage circulating treating system also comprises the first base 2, for supporting this first water filtering tankThe first bracing frame 3 of 1 and be arranged at the first impurity transport vehicle 4 of this first water filtering tank 1 below. ShouldThe two ends of the first bracing frame 3 are connected with bottom and this first base 2 of this first water filtering tank 1 respectively,So that this first water filtering tank 1 is supported on this first base 2. This first impurity transport vehicle 4 slidablyBe arranged on this first base 2, this first impurity transport vehicle 4 is for accommodating from this sewage draining exit 14The impurity such as the coal stone of middle discharge, slag, mud are also transported to the place of appointment. This first base 2 canBe convenient to the walking of this first impurity transport vehicle 4. If better (ground is harder, is convenient to for working face conditionThe walking of one impurity transport vehicle 4), this first base 2 can omit, and this first bracing frame 3 is straightConnect support on the ground.
In above-mentioned structure, exist sometimes the water purification in this first water filtering tank 1 also not flow completelyEnter in water pump 9 and just need the impurity in this first water filtering tank 1 to discharge, at this moment need to be in this first filterDraining valve 16 is set on water tank 1, by this draining valve 16, the water purification in this first water filtering tank 1 is dischargedAfter, then by this sewage draining exit controlling organization, this sewage draining exit 14 is opened, make in this first water filtering tank 1Impurity etc. enter in this first impurity transport vehicle 4. Like this, can improve the conevying efficiency of impurity.In addition, the water purification used vessel of being discharged by this draining valve 16 stores, and then pours this first drainage intoIn case 1, thus the utilization rate of raising water purification.
In addition, on this first water filtering tank 1, be also provided with for carrying out moisturizing to this first water filtering tank 1Moisturizing interface 17, in the time that the water purification storage in this first water filtering tank 1 is less, can connect by this moisturizingMouth 17 supplements water purification in this first water filtering tank 1, to meet this coal mine equipment wet dedusting systemNeed of work.
In addition, in order to observe the water level situation in this first water filtering tank 1, this first water filtering tank 1Sidewall on also can be provided with water-level observation window 18.
In addition, this sewage circulating treating system is arranged on the ramp with angle of inclination sometimes, thisTime may cause water in this first water filtering tank 1 from wherein overflowing. Now, this first water filtering tank 1Comprise the angle for regulating this first water filtering tank 1, make it on ramp, still can keep levelAngle regulator. This angle regulator comprises adjusting screw 51, rotating shaft 52 and adjusting bracketBody 53. This adjusting screw 51 is arranged on the sidewall of this first water filtering tank 1, this adjusting screw 51For regulating active force between this adjusting support body 53 and this adjusting screw 51, so regulate this firstAngle between water filtering tank 1 and this first bracing frame 3. This rotating shaft 52 is fixed on this first supportOn frame 3, this first water filtering tank 1 is arranged on this rotating shaft 52 rotationally. This adjusting support body 53Match with this adjusting screw 51 in one end, the other end is fixed on this first bracing frame 3. When this dirtWater circulation processing system is on ramp time, and rotatably this adjusting screw 51, regulates this adjusting support body53 and this adjusting screw 51 between active force, make relative this adjusting support body of this first water filtering tank 153(i.e. this first bracing frame 3) rotate, thus can make this first water filtering tank 1 be adjusted to level,Therefore can prevent that the water in this first water filtering tank 1 from overflowing.
This above sewage circulating treating system is for only having a water filtering tank, base, supporting leg, impurityTransport case, like this, in the process of this sewage circulating treating system work, can be because discharge impurity etc.Process and cause this sewage circulating treating system can not continuous continual work. For fear of above-mentioned feelingsThe generation of condition, the sewage circulating treating system that the preferred embodiment of the present invention provides also comprises the second drainageCase 1 ', the second base 2 ', the second bracing frame 3 ', the second impurity transport case 4 ', and this secondWater filtering tank 1 ', the second base 2 ', the second bracing frame 3 ', the second impurity transport case 4 ' are with aforementionedThe first water filtering tank 1, the first base 2, the first bracing frame 3, the structure phase of the first impurity transport vehicle 4With, do not repeat them here.
The sewage inlet 11 ' of this second water filtering tank 1 ' removes by water pipe and this coal mine equipment wet typeThe sewage effluent of dirt system is connected, i.e. the sewage effluent of this coal mine equipment wet dedusting systemBe connected with this sewage inlet 11 and this sewage inlet 11 ', this coal mine equipment wet dust removalBetween the sewage effluent of system and this sewage inlet 11 and this sewage inlet 11 ', arrange respectivelyThere are the first sewage valve 19, the second sewage valve 19 '. The water purification of this water pump 9 and this first water filtering tank 1The water purification discharge outlet 13 ' of discharge outlet 13 and this second water filtering tank 1 ' is connected, this water pump 9 and thisThe water purification discharge outlet 13 of the first water filtering tank 1 and the water purification discharge outlet of this second water filtering tank 1 ' 13 ' itBetween be respectively arranged with the first water purifying valve 20, the second water purifying valve 20 '.
In the time of the work of this sewage circulating treating system, this first sewage valve 19 is opened, by this secondSewage valve 19 ' is closed, and the sewage in the sewage effluent of this coal mine equipment wet dedusting system is from thisSewage inlet 11 flows in this first water filtering tank 1. Sewage is through this coarse filtration net 121 and this essenceThe filtration of screen pack 122 and become water purification. Now, this water purification discharge outlet 13 is opened, this is cleanWater discharge outlet 13 ' is closed, and the water purification flowing out from this first water filtering tank 1 is pumped to this by this water pump 9In coal mine equipment wet dedusting system, make this coal mine equipment wet dedusting system utilization through sewageAfter processing, water purification carries out dedusting operation.
In the time need to discharging the impurity in this first water filtering tank 1, by this second sewage valve 19 'Open, this first sewage valve 19 is closed, make the sewage drainage of coal mine equipment wet dedusting systemSewage in mouthful flows into this second water filtering tank 1 ' from this sewage inlet 11 '. Sewage is thick through thisThe filtration of screen pack 121 ' and this essence screen pack 122 ' and become water purification. Now, by this water purification rowThe mouth of a river 13 is closed, and this water purification discharge outlet 13 ' is opened, and from this second water filtering tank 1 ', flows outWater purification is pumped in this coal mine equipment wet dedusting system by this water pump 9, makes this coal mine equipment wetFormula dust pelletizing system utilization water purification after sewage disposal carries out dedusting operation. Like this, first filter by thisWater tank 1 and this second water filtering tank 1 ' alternately switch and use, and make sewage purification and flow to this coalProcess in mine equipment wet dedusting system has continuity, thereby can not affect to this colliery machineTool wet dedusting system supplies water, and improves the operating efficiency of this coal mine equipment wet dedusting system.
This sewage circulating treating system can will originally come operation by coal mine equipment wet dedusting systemSewage on working face is collected, is filtered, then by filter after water purification by water pump pumps to collieryRecycle with mechanical wet dedusting system, so both can prevent that sewage is to operation working faceInfringement, thus the operating efficiency of raising working face can, by impurity filterings such as the mud in sewage, subtract againLack the generation of environmental pollution.
The embodiment of the present invention also provides a kind of coal mine equipment, and this coal mine equipment is provided with above-mentionedSewage circulating treating system.
Because above-mentioned sewage circulating treating system has above-mentioned technique effect, therefore, be provided with this dirtThe coal mine equipment of water circulation processing system also should possess corresponding technique effect, its specific implementation processSimilar to the above embodiments, hereby do not repeat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, allWithin the spirit and principles in the present invention, any amendment of doing, be equal to replacement, improvement etc., all should wrapWithin being contained in protection scope of the present invention.
Claims (11)
1. a sewage circulating treating system, it is for the sewage of coal mine equipment wet dedusting systemProcess, it is characterized in that, described sewage circulating treating system comprise the first water filtering tank (1) and forWater purification after being filtered by described the first water filtering tank (1) is delivered to described coal mine equipment wet dust removalThe water pump (9) of system, wherein, described the first water filtering tank (1) comprises with described coal mine equipment wetSewage inlet (11) that formula dust pelletizing system sewage effluent is connected, be arranged at described the first drainageScreen pack (12) in case (1) and the water purification discharge outlet (13) being connected with described water pump (9),Sewage enters in described the first water filtering tank (1) and described in process by described sewage inlet (11)Screen pack (12) is entered in described water pump (9) by described water purification discharge outlet (13) after filtering, byDescribed water pump (9) is delivered to clarified water pump in described coal mine equipment wet dedusting system; Described sewageCirculating treating system also comprises the first bracing frame (3) for supporting described the first water filtering tank (1);Described the first water filtering tank (1) comprises the angle regulator that regulates its angle, described angular adjustmentDevice comprises adjusting screw (51), rotating shaft (52) and regulates support body (53), described adjusting screw(51) be arranged on the sidewall of described the first water filtering tank (1), described rotating shaft (52) is fixed onDescribed the first bracing frame (3) is upper, and described the first water filtering tank (1) is rotating is arranged at described rotationAxle (52) is upper, matches with described adjusting screw (51) in described adjusting support body (53) one end, anotherOne end is fixed on described the first bracing frame (3).
2. sewage circulating treating system according to claim 1, is characterized in that, described mistakeFilter screen (12) comprises coarse filtration net (121) and smart screen pack (122), described coarse filtration net (121)Be fixed in described the first water filtering tank (1), and will in described the first water filtering tank (1), be separated into sewageCase and coarse filtration water tank, described smart screen pack (122) is arranged in described coarse filtration water tank.
3. sewage circulating treating system according to claim 2, is characterized in that, described essenceScreen pack (122) is cylindrical shape screen pack, and insert in described water purification discharge outlet (13) its one end;Or described smart screen pack (122) is disc-shaped structure, it is arranged at described water purification discharge outlet (13)Place.
4. sewage circulating treating system according to claim 2, is characterized in that, describedThe bottom of one water filtering tank (1) offers sewage draining exit (14) and for controlling described sewage draining exit (14)The sewage draining exit controlling organization of folding.
5. sewage circulating treating system according to claim 4, is characterized in that, described rowDirty mouthful (14) comprise the first sewage draining exit (141) and the second sewage draining exit (142), described the first blowdownMouth (141) is opened in described foul water tank bottom, and described the second sewage draining exit (142) is opened in described thickWater tank with strainer bottom.
6. sewage circulating treating system according to claim 5, is characterized in that, described dirtWater circulation processing system also comprises the first impurity transport that is arranged at described the first water filtering tank (1) belowCar (4).
7. sewage circulating treating system according to claim 6, is characterized in that, described dirtWater circulation processing system also comprises the first base (2), and the two ends of described the first bracing frame (3) respectivelyBe connected with bottom and described first base (2) of described the first water filtering tank (1).
8. sewage circulating treating system according to claim 1, is characterized in that, describedDraining valve (16) is set on one water filtering tank (1).
9. sewage circulating treating system according to claim 1, is characterized in that, describedOn one water filtering tank (1), be also provided with the moisturizing for carry out moisturizing to described the first water filtering tank (1)Interface (17), and for observing the water-level observation window (18) of described the first water filtering tank (1) middle water level situation.
10. according to the sewage circulating treating system described in any one in claim 1-9, its feature existsAlso comprise identical with described the first water filtering tank (1) structure in, described sewage circulating treating systemTwo water filtering tanks (1 '), the sewage inlet (11 ') of described the second water filtering tank (1 ') with described inCoal mine equipment wet dedusting system sewage effluent is connected, described the second water filtering tank (1 ')Water purification discharge outlet (13 ') is connected with described water pump (9), described coal mine equipment wet dust removalThe sewage effluent of system and described sewage inlet (11) and described the second water filtering tank (1 ')Between described sewage inlet (11 '), be respectively arranged with the first sewage valve (19), the second sewage valve(19 '), described water pump (9) and described water purification discharge outlet (13) and described the second water filtering tank (1 ')Between described water purification discharge outlet (13 '), be respectively arranged with the first water purifying valve (20), the second water purifying valve(20’)。
11. 1 kinds of coal mine equipments, is characterized in that, described coal mine equipment be provided with as right wantAsk the sewage circulating treating system described in any one in 1-10.
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| CN201310342723.5A CN103432803B (en) | 2013-08-07 | 2013-08-07 | Sewage circulating treating system and coal mine equipment |
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| CN201310342723.5A CN103432803B (en) | 2013-08-07 | 2013-08-07 | Sewage circulating treating system and coal mine equipment |
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| CN103432803B true CN103432803B (en) | 2016-05-25 |
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| CN112047517A (en) * | 2020-08-07 | 2020-12-08 | 太原理工大学 | Sewage circulating gas washing and dust removing device and method |
| CN113585144B (en) * | 2021-06-30 | 2023-02-10 | 安徽江田环卫设备股份有限公司 | Conveniently switch watering lorry of cask |
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| CN2266108Y (en) * | 1996-06-04 | 1997-10-29 | 上海新东蒸发器有限公司 | Solar water heater |
| KR100674138B1 (en) * | 2006-08-21 | 2007-01-29 | 한국전력공사 | Sewage treatment apparatus for reuseing water of garbage truck |
| CN201076790Y (en) * | 2007-06-28 | 2008-06-25 | 浙江名媛工艺饰品有限公司 | Wastewater filtering recycle using system of water drilling rig |
| CN101314511B (en) * | 2008-04-30 | 2011-09-14 | 华南农业大学 | Baffling type method and system for processing sanitary sewage of horizontal drowned flow artificial wet land |
| CN102251555A (en) * | 2011-04-27 | 2011-11-23 | 江苏辉煌太阳能股份有限公司 | Household reclaimed water collecting device |
| CN202460287U (en) * | 2011-12-26 | 2012-10-03 | 黄文聪 | Sewage treatment device |
| CN103032094B (en) * | 2012-12-20 | 2016-08-10 | 龙口矿业集团有限公司 | Energy-saving self-circulation dust removal device for the pulp shooting machine |
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