CN205170628U - Mud subtracts quantization system - Google Patents
Mud subtracts quantization system Download PDFInfo
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- CN205170628U CN205170628U CN201520776240.0U CN201520776240U CN205170628U CN 205170628 U CN205170628 U CN 205170628U CN 201520776240 U CN201520776240 U CN 201520776240U CN 205170628 U CN205170628 U CN 205170628U
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Abstract
The utility model discloses a mud subtracts quantization system, include: the sludge impoundment, the sludge impoundment is equipped with the grid, the grid is arranged in clearing up the rubbish of mud, the reaction tank, be equipped with the mud mixer in the reaction tank, the reaction tank with be equipped with first sludge pump between the sludge impoundment, first sludge pump be used for with mud after the grid is handled is carried extremely in the reaction tank, charge device, charge device is connected with the reaction tank, be used for to mud in the reaction tank adds adding medicament, and sludge press filtration equipment for dewater and press into the mud cake with it mud, sludge press filtration equipment with be equipped with the second sludge pump between the reaction tank, the second sludge pump is used for carrying mud to the sludge press filtration equipment in from the reaction tank. The utility model discloses a mud minimizing system can carry out multilevel processing to mud, makes mud modified, avoids causing secondary pollution, finally effectively reduces the weight and the volume of mud, is convenient for store and the transportation.
Description
Technical field
The utility model relates to field of sludge treatment, espespecially a kind of sludge reduction treatment system.
Background technology
Municipal sludge mainly comprises ditch mud and municipal effluent plant excess sludge etc.Wherein ditch mud is the main output object in municipal sewage system (comprising storm sewer and sewer line) maintenance work.The main composition material of mud is organic substrate and soil ulmin, so its density is little, physicochemical stability is poor, water ratio is high, in bond state, not easily dewaters.And mud complicated, seriously polluted, both easily blocking pipe caused impeded drainage, also easily poured river course with rainwater and caused the pollution of river.
Current mud is mainly processed by sanitary landfill and outward transport disposal.Along with the lifting that people require Urban Flood control draining safety and water surrounding, the maintenance work of drainage pipeline is day by day by people are paid attention to, and along with the continuous improvement of urban environment, the specific resistance to filtration mode fallen behind and the development of integrated environment not in tune, effectively can not realize the minimizing of mud, sludge treatment cost is high.
Therefore, for solving the problem, the applicant is devoted to provide a kind of sludge reduction treatment system.
Utility model content
The purpose of this utility model is to provide a kind of sludge reduction treatment system, it effectively can remove the solid refuse in mud, and can sludge modification be made, reduce its contaminative, avoid causing secondary pollution, can also effectively reduce the weight and volume of mud, be convenient to storage and the transport of mud, sludge treatment cost is low.
For solving the problems of the technologies described above, the utility model provides a kind of sludge reduction treatment system, comprising: sludge sump, and described sludge sump is provided with grid, and described grid is for clearing up the rubbish in mud; Reaction tank, is provided with sludge stirring machine in described reaction tank, is provided with the first sludge pump between described reaction tank and described sludge sump, and described first sludge pump is used for the mud after described grid process to be delivered in described reaction tank; Chemicals dosing plant, described chemicals dosing plant is connected with reaction tank, for adding medicament to the mud in described reaction tank; And sludge press filtration equipment, for dewatering to mud and being pressed into mud cake; Be provided with the second sludge pump between described sludge press filtration equipment and described reaction tank, described second sludge pump is used for mud to be delivered in described sludge press filtration equipment from described reaction tank.
Sludge reduction treatment system of the present utility model, by multiple-stage treatment, finally realizes the minimizing of mud.First the utility model removes the solid refuse in mud by the grid on sludge sump; Then the mud after grid process is transported in reaction tank by the first sludge pump, chemicals dosing plant adds medicament to the mud in reaction tank, sludge stirring machine stirs mud and medicament, make it that modified-reaction occur, thus the parasitic ovum effectively killed in mud and pathogenic micro-organism, make mud shut down degradation by the process in reaction tank, avoid its re-using in process afterwards to cause secondary pollution; Then the mud in reaction tank is delivered to sludge press filtration equipment by the second sludge pump, and sludge press filtration equipment filters out the moisture in mud, and is pressed into mud cake, thus effectively reduces the weight and volume of mud, and the mud cake generated is convenient to store and transport.
Preferably, described sludge reduction treatment system also comprises a pre-mud sump, and described pre-mud sump is arranged between described sludge sump and described reaction tank, and described pre-mud sump is for depositing the mud after described grid process.
Such setting is convenient to the mud in pre-mud sump to be transported to quantitatively in reaction tank, facilitates treatment system quantitative Treatment mud.
Preferably, the first sludge reflux passage is provided with bottom described sludge sump, the second sludge reflux passage is provided with bottom described pre-mud sump, be provided with a sludge reflux pump between described first sludge reflux passage and described second sludge reflux passage, described sludge reflux pump is used for the mud in described second sludge reflux passage to be delivered in described first sludge reflux passage.
If grid is not by clean for the refuse treatment in mud, in pre-mud sump, rubbish can sink at the bottom of pond gradually, untreated clean mud is back in sludge sump by the second sludge reflux passage and the first sludge reflux passage, make it again through grid process once, thus effectively remove the solid refuse in mud.
Preferably, in described reaction tank, also liquid level detection device is housed, controls the start and stop of described second sludge pump for the liquid level in detection reaction pond according to detected result.
Arranging of liquid level detection device can liquid level in detection reaction pond, thus effectively avoids mud spill-over in reaction tank to pollute.
Preferably, described chemicals dosing plant comprises reaction container, dosing stirrer, dosing volume pump and electrical control system; Described dosing stirrer and described dosing volume pump are arranged in described reaction container; Described electrical control system is connected with described dosing volume pump, for controlling described dosing volume pump by processing requirement timing metering dosing; Described electrical control system is connected with described dosing stirrer, stirs by processing requirement timing for controlling described dosing stirrer.
Arrange like this and can add medicament at regular time and quantity in mud, thus improve the accuracy of sludge modification.
Preferably, described sludge press filtration equipment comprises filtration unit and plate pulling device; Described filtration unit is used for the water in filter sludge, and described plate pulling device is used for the mud after by filtration and is pressed into mud cake; Described filtration unit also comprises a filter cloth cleaning device, and described filter cloth cleaning device is for cleaning the filter cloth on described filtration unit.
Arrange like this and can reach good sludge press filtration effect, and by arranging filter cloth cleaning device, effectively can avoid the filter cloth latch up phenomenon that filtration unit causes when frequent use.
Preferably, described sludge reduction treatment system also comprises a mud cake e Foerderanlage, described mud cake e Foerderanlage and described sludge press filtration equipment connection, for carrying from described sludge press filtration equipment mud cake out.
Preferably, described sludge reduction treatment system also comprises a tank; Be provided with the first water pump between described tank and described sludge sump, described first water pump is used for the water in described tank to be delivered in sludge sump; Be provided with water pipe between described tank and described sludge press filtration equipment, described water pipe is used for the water that described sludge press filtration equipment filters out to be drained in described tank; Also be provided with the second water pump between described tank and described sludge press filtration equipment, described second water pump is used for the water in described tank to be delivered to described sludge press filtration equipment, and produces water jets under high pressure and clean described sludge press filtration equipment.
With the water in tank, the mud in sludge sump is diluted, thus effectively avoid that mud is too dense to be thickly unfavorable for that grid is removed solid refuse wherein and affected it and follow-uply in reaction tank, to change shaped reaction, the water that sludge press filtration equipment filters down is delivered to sludge sump, use the water clean sludge filtering equipment in tank again, thus realize the recycle of water resources.
Preferably, described first sludge pump, the second sludge pump, the first water pump and the second water pump are arranged in a pump chamber, and described pump chamber is built with waterproof leakage warning device, and described waterproof leakage alarming device comprises liquid level detector and submersible type water pump.
Arranging pump chamber can available protecting sludge pump and water pump, avoids it to be damaged; Arrange waterproof leakage warning device, can effectively monitor in pump chamber whether drainage occurs, when liquid level detector detects that in pump chamber, liquid level is higher, the startup of submersible type water pump is drawn water, thus reduces the liquid level in pump chamber in time.
Preferably, described grid comprises dull and stereotyped grid and mechanical grille, and described dull and stereotyped grid is not less than the rubbish of 2cm for clearing up minimum size, and described mechanical grille is not less than the rubbish of 0.5cm for clearing up minimum size.
The solid refuse that can effectively reduce in mud is set like this, is convenient to treatment system and subsequent disposal is carried out to mud.
In sum, the utility model can realize following beneficial effect:
1, sludge reduction treatment system of the present utility model can carry out multiple-stage treatment to mud, first removes the solid refuse in mud, then carries out modification to mud, finally carries out filter pressure to mud, thus realizes the minimizing to mud.Mud after the utility model process, stable in properties, can not cause secondary pollution, mud is made to may be used for cycling and reutilization, and the mud bulking value after process is obtained for effective reduction, is convenient to storage and the transport of mud, reduces sludge treatment cost.
2, the utility model is also provided with pre-mud sump, and pre-mud sump is arranged between sludge sump and reaction tank, is convenient to the quantitative Treatment of mud; Be provided with return flow line between sludge sump and pre-mud sump, the solid refuse can effectively removed in mud is set like this.
3, be provided with liquid level detection device in reaction tank of the present utility model, can effectively avoid the mud spill-over in reaction tank to pollute.
4, the utility model is provided with tank, tank is connected the mud that can dilute in sludge sump with sludge sump, be convenient to the removal of solid refuse, and is convenient to mud and reacts in reaction tank, tank and sludge press filtration equipment connection, for collecting the sewage that sludge press filtration equipment filters down.
5, the utility model by the first sludge pump, the second sludge pump, the first water pump and the second water pump concentrated setting in a pump chamber, thus avoid it to be damaged, and waterproof leakage warning device is set in pump chamber, thus effectively whether monitoring pump chamber there is leakage phenomenon.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of specific embodiment sludge reduction treatment system;
Drawing reference numeral illustrates:
Sludge sump 1, dull and stereotyped grid 11, mechanical grille 12, pre-mud sump 2, reaction tank 3, sludge stirring machine 31, sludge press filtration equipment 4, pump chamber 5, tank 6, discharging hopper 7.
Embodiment
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
As shown in Figure 1, this specific embodiment discloses a kind of sludge reduction treatment system, comprising: sludge sump 1, and sludge sump 1 is provided with grid, and grid is for clearing up the rubbish in mud, reaction tank 3, sludge stirring machine 31 is provided with in reaction tank 3, the first sludge pump is provided with between reaction tank 3 and sludge sump 1, the import of the first sludge pump is connected with sludge sump 1 with pipeline respectively by valve, its outlet is connected with reaction tank 3 with pipeline by valve, first sludge pump is used for the mud after grid process to be delivered in reaction tank 3, in this specific embodiment, as shown in Figure 1, reaction tank 3 is provided with two, and two reaction tanks can switch use, certainly the number of reaction tank can be set to 1 according to actual needs in other embodiments, 3, 5 or other numbers.
Sludge reduction treatment system of the present utility model also comprises chemicals dosing plant, and chemicals dosing plant is connected with reaction tank 3, and for adding medicament to the mud in reaction tank 3, medicament herein needs to select according to the characteristic of the mud of actual treatment; And sludge press filtration equipment 4, for dewatering to mud and being pressed into mud cake; The second sludge pump is provided with between sludge press filtration equipment 4 and reaction tank 3, the import of the second sludge pump is connected with reaction tank 3 with pipeline by valve, its outlet is connected with sludge press filtration equipment 4 with pipeline by valve, and the second sludge pump is used for mud to be delivered in sludge press filtration equipment 4 from reaction tank 3.
Exemplary, sludge reduction treatment system also comprises a pre-mud sump 2, and pre-mud sump 2 is arranged between sludge sump 1 and reaction tank 3, and pre-mud sump 2 is for depositing the mud after grid process.Such setting is convenient to carry out quantitative Treatment to mud.Concrete, the first sludge reflux passage is provided with bottom sludge sump 1, the second sludge reflux passage is provided with bottom pre-mud sump 2, be provided with a sludge reflux pump between first sludge reflux passage and the second sludge reflux passage, sludge reflux pump is used for the mud in the second sludge reflux passage to be delivered in the first sludge reflux passage.Such setting, if the rubbish be stored in the mud in pre-mud sump is not removed totally, just through the second return flow line and the first return flow line, can reenter in sludge sump, carries out grid process further.
Exemplary, also liquid level detection device is housed in reaction tank 3, controls the start and stop of the second sludge pump according to detected result for the liquid level in detection reaction pond.Here the preferred ultrasonic solution level detecting apparatus of liquid level detection device, can be equipped with automatic operation.
Exemplary, chemicals dosing plant comprises reaction container, dosing stirrer, dosing volume pump and electrical control system; Dosing stirrer and described dosing volume pump are arranged in described reaction container; Electrical control system is connected with dosing volume pump, for controlling dosing volume pump by processing requirement timing metering dosing; Electrical control system is connected with dosing stirrer, stirs by processing requirement timing for controlling dosing stirrer.
Concrete, sludge press filtration equipment 4 comprises filtration unit and plate pulling device; Filtration unit is used for the water in filter sludge, and plate pulling device is used for the mud after by filtration and is pressed into mud cake; Filtration unit also comprises a filter cloth cleaning device, the filter cloth of filter cloth cleaning device on cleaning and filtrating equipment.
Exemplary, sludge reduction treatment system also comprises a mud cake e Foerderanlage, and mud cake e Foerderanlage is connected with sludge press filtration equipment 4, for carrying from sludge press filtration equipment 4 mud cake out.
Concrete, as shown in Figure 1, the sludge reduction treatment system in this specific embodiment also comprises a tank 6; Be provided with the first water pump between tank 6 and sludge sump 1, the first water pump outlet is connected with sludge sump with pipeline by valve, and its import is connected with tank with pipeline by valve, and the first water pump is used for the water in tank 6 to be delivered in sludge sump 1.Be provided with water pipe between tank 6 and sludge press filtration equipment 4, the water that sludge press filtration equipment 4 filters down is drained in tank 6 and stores by water pipe.
The second water pump is also provided with between tank 6 and sludge press filtration equipment 4, second water pump outlet import is connected with tank 6 with pipeline by valve, its import export is connected with sludge press filtration equipment 4 with pipeline by valve, second water pump be used for tank 6 sludge press filtration equipment 4 is filtered out in water be delivered in sludge press filtration equipment 4 tank 6, for clean sludge filtering equipment 4, especially the filter cloth of filtration unit in clean sludge filtering equipment, thus ensure that the filter effect of filtration unit, and water resources is made to obtain recycle.
Exemplary, as shown in Figure 1, the first sludge pump, the second sludge pump, the first water pump and the second water pump are arranged in a pump chamber 5, and pump chamber 5 is built with waterproof leakage warning device, and waterproof leakage alarming device comprises liquid level detector and submersible type water pump.Arranging pump chamber can available protecting sludge pump and water pump, avoids it to be damaged; Arrange waterproof leakage warning device, can effectively monitor in pump chamber whether drainage occurs, when liquid level detector detects that in pump chamber, liquid level is higher, the startup of submersible type water pump is drawn water, thus reduces the liquid level in pump chamber in time.
Concrete, as shown in Figure 1, grid comprises dull and stereotyped grid 11 and mechanical grille 12, and dull and stereotyped grid 11 is not less than the rubbish of 2cm for clearing up minimum size, and mechanical grille 12 is not less than the rubbish of 0.5cm for clearing up minimum size.Certainly, in other specific embodiments, the model of dull and stereotyped grid and mechanical grille can be selected according to actual needs, thus process the rubbish of different size, the grid of other kinds can certainly be selected.
Of course, sludge sump can also install clean washing unit and liquid level detection device in other embodiments, thus carries out clean to sludge sump and detect the liquid level in sludge sump; First water pump and the second water pump can arrange multiple stage respectively, are used as reserve pump, and the first sludge pump and the second sludge pump also can arrange multiple stage respectively, are used as sludge pump for subsequent use, repeat no more herein.
Exemplary, as shown in Figure 1, the embody rule situation of the sludge reduction treatment system of the present embodiment is as follows:
Mud enters sludge sump 1 through discharging hopper 7, and remove the larger solid refuse of wherein volume by dull and stereotyped grid 11, then the solid refuse of small volume is removed by mechanical grille 12, in the process, be incorporated in sludge sump 1 by water in tank 6 at the first water pump, mud dilutes; Mud after mechanical grille 12 processes enters into pre-mud sump 2, the mud of pre-mud sump 2 is delivered in reaction tank 3 through the first sludge pump, chemicals dosing plant adds medicament in reaction tank 3 simultaneously, sludge stirring machine 31 stirs mud and medicament, makes it react, and kills the parasitic ovum in mud and pathogenic micro-organism, thus reduce its contaminative, and facilitate flocculation sediment, for follow-up sludge press filtration is prepared, this process approximately needs 10 minutes.
Then, mud after reacting with medicament is delivered to sludge press filtration equipment 4 by the second sludge pump, the filtration unit of sludge press filtration equipment 4 filters it, reduce its water content, the muddy water that filtration devices gets off is incorporated in tank 6 by water pipe and stores, plate pulling device compression mud, generates mud cake; This process approximately needs 45 minutes, and mud cake e Foerderanlage is delivered to storage site by from sludge press filtration equipment 4 mud cake out.
About 2 hours of whole sludge handling process, sludge treatment efficiency is high.Mud water ratio is after treatment 50-60%, and the solid refuse at mud cake and grid place is transported to landfill yard landfill disposal or recycling.Sludge reduction treatment system of the present utility model, through the multiple-stage treatment to mud, finally realize the minimizing of mud, the utility model is particularly useful for the minimizing process of city ditch mud.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a sludge reduction treatment system, is characterized in that, comprising:
Sludge sump, described sludge sump is provided with grid, and described grid is for clearing up the rubbish in mud;
Reaction tank, is provided with sludge stirring machine in described reaction tank, is provided with the first sludge pump between described reaction tank and described sludge sump, and described first sludge pump is used for the mud after described grid process to be delivered in described reaction tank;
Chemicals dosing plant, described chemicals dosing plant is connected with described reaction tank, for adding medicament to the mud in described reaction tank; And
Sludge press filtration equipment, for dewatering to mud and being pressed into mud cake; Be provided with the second sludge pump between described sludge press filtration equipment and described reaction tank, described second sludge pump is used for mud to be delivered in described sludge press filtration equipment from described reaction tank.
2. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Described sludge reduction treatment system also comprises a pre-mud sump, and described pre-mud sump is arranged between described sludge sump and described reaction tank, and described pre-mud sump is for depositing the mud after described grid process.
3. sludge reduction treatment system as claimed in claim 2, is characterized in that:
The first sludge reflux passage is provided with bottom described sludge sump, the second sludge reflux passage is provided with bottom described pre-mud sump, be provided with a sludge reflux pump between described first sludge reflux passage and described second sludge reflux passage, described sludge reflux pump is used for the mud in described second sludge reflux passage to be delivered in described first sludge reflux passage.
4. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Also liquid level detection device is housed in described reaction tank, controls the start and stop of described second sludge pump for the liquid level in detection reaction pond according to detected result.
5. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Described chemicals dosing plant comprises reaction container, dosing stirrer, dosing volume pump and electrical control system;
Described dosing stirrer and described dosing volume pump are arranged in described reaction container;
Described electrical control system is connected with described dosing volume pump, for controlling described dosing volume pump by processing requirement timing metering dosing;
Described electrical control system is connected with described dosing stirrer, stirs by processing requirement timing for controlling described dosing stirrer.
6. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Described sludge press filtration equipment comprises filtration unit and plate pulling device;
Described filtration unit is used for the water in filter sludge, and described plate pulling device is used for the mud after by filtration and is pressed into mud cake;
Described filtration unit also comprises a filter cloth cleaning device, and described filter cloth cleaning device is for cleaning the filter cloth on described filtration unit.
7. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Described sludge reduction treatment system also comprises a mud cake e Foerderanlage, described mud cake e Foerderanlage and described sludge press filtration equipment connection, for carrying from described sludge press filtration equipment mud cake out.
8. sludge reduction treatment system as claimed in claim 1, is characterized in that:
Described sludge reduction treatment system also comprises a tank;
Be provided with the first water pump between described tank and described sludge sump, described first water pump is used for the water in described tank to be delivered in sludge sump;
Be provided with water pipe between described tank and described sludge press filtration equipment, described water pipe is used for the water that described sludge press filtration equipment filters out to be drained in described tank;
Also be provided with the second water pump between described tank and described sludge press filtration equipment, described second water pump is used for the water in described tank to be delivered to described sludge press filtration equipment, and produces water jets under high pressure and clean described sludge press filtration equipment.
9. sludge reduction treatment system as claimed in claim 8, is characterized in that:
Described first sludge pump, the second sludge pump, the first water pump and the second water pump are arranged in a pump chamber, and described pump chamber is built with waterproof leakage warning device, and described waterproof leakage alarming device comprises liquid level detector and submersible type water pump.
10. the sludge reduction treatment system as described in any one of claim 1 to 9 claim, is characterized in that:
Described grid comprises dull and stereotyped grid and mechanical grille, and described dull and stereotyped grid is not less than the rubbish of 2cm for clearing up minimum size, and described mechanical grille is not less than the rubbish of 0.5cm for clearing up minimum size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776240.0U CN205170628U (en) | 2015-10-08 | 2015-10-08 | Mud subtracts quantization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776240.0U CN205170628U (en) | 2015-10-08 | 2015-10-08 | Mud subtracts quantization system |
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| CN205170628U true CN205170628U (en) | 2016-04-20 |
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| CN201520776240.0U Active CN205170628U (en) | 2015-10-08 | 2015-10-08 | Mud subtracts quantization system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712608A (en) * | 2016-04-29 | 2016-06-29 | 上海同臣环保有限公司 | Pectin dedicated volute sludge dehydrator and screw shaft thereof |
| CN105731762A (en) * | 2016-04-22 | 2016-07-06 | 上海同臣环保有限公司 | Skid-mounted type building mud treatment device and process |
| CN110759615A (en) * | 2019-11-25 | 2020-02-07 | 路德环境科技股份有限公司 | Silt dehydration curing system |
| CN115305981A (en) * | 2022-08-15 | 2022-11-08 | 广东中拓建材科技有限公司 | Sewage pool bottom sludge extraction system and sewage pool bottom sludge extraction method |
-
2015
- 2015-10-08 CN CN201520776240.0U patent/CN205170628U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731762A (en) * | 2016-04-22 | 2016-07-06 | 上海同臣环保有限公司 | Skid-mounted type building mud treatment device and process |
| CN105731762B (en) * | 2016-04-22 | 2019-01-25 | 上海同臣环保有限公司 | A kind of skid-mounted type construction slurry processing unit and treatment process |
| CN105712608A (en) * | 2016-04-29 | 2016-06-29 | 上海同臣环保有限公司 | Pectin dedicated volute sludge dehydrator and screw shaft thereof |
| CN110759615A (en) * | 2019-11-25 | 2020-02-07 | 路德环境科技股份有限公司 | Silt dehydration curing system |
| CN115305981A (en) * | 2022-08-15 | 2022-11-08 | 广东中拓建材科技有限公司 | Sewage pool bottom sludge extraction system and sewage pool bottom sludge extraction method |
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Effective date of registration: 20200518 Address after: 201703 floor 1, building 1, No. 3398, Huqingping Road, Zhaoxiang Town, Qingpu District, Shanghai Patentee after: Shanghai Xiangxi Environmental Technology Co., Ltd Address before: Room 309, building 2, No. 1588, Renmin Road, Pudong New Area, Shanghai Patentee before: SHANGHAI JINGMIAO ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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