CN203976532U - A kind of neodymium iron boron sheet chamfering sewage disposal device - Google Patents
A kind of neodymium iron boron sheet chamfering sewage disposal device Download PDFInfo
- Publication number
- CN203976532U CN203976532U CN201420316774.0U CN201420316774U CN203976532U CN 203976532 U CN203976532 U CN 203976532U CN 201420316774 U CN201420316774 U CN 201420316774U CN 203976532 U CN203976532 U CN 203976532U
- Authority
- CN
- China
- Prior art keywords
- sewage
- tank
- sedimentation
- sludge
- treatment equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 79
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 22
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims description 3
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims abstract description 8
- 239000000701 coagulant Substances 0.000 claims description 23
- 238000000605 extraction Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtration Of Liquid (AREA)
Abstract
本实用新型提供一种钕铁硼片倒角污水处理设备，该钕铁硼片倒角污水处理设备包含如下步骤：1)污水沉淀工序，用于实现将倒角排出来的污水进行初步自然沉淀处理；2)加药混合工序，用于实现对所加药剂搅拌后与沉淀后的污水混合反应；3)高效沉淀工序，用于实现对加药后的污水进一步去除悬浮物，排出合格污水；4)污泥压滤工序，用于实现将沉淀池产生的污泥进行压滤提取沉淀污泥。该钕铁硼片倒角污水处理设备结构简单，易于实现、操作方便，在保证排出废水达到国家标准的同时提高了原材料回收率。
The utility model provides a NdFeB sheet chamfering sewage treatment equipment, the NdFeB sheet chamfering sewage treatment equipment includes the following steps: 1) sewage precipitation process, used to realize the preliminary natural precipitation of the sewage discharged from the chamfering Treatment; 2) Dosing and mixing process, used to realize the mixed reaction of the added medicament after stirring and the precipitated sewage; 3) High-efficiency sedimentation process, used to further remove suspended matter from the sewage after dosing, and discharge qualified sewage; 4) Sludge filter press process, which is used to extract the precipitated sludge by filter press from the sludge generated in the sedimentation tank. The NdFeB sheet chamfering sewage treatment equipment has a simple structure, is easy to realize, and is convenient to operate, and improves the recovery rate of raw materials while ensuring that the discharged waste water meets the national standard.
Description
技术领域technical field
本实用新型涉及一种污水处理设备，尤其涉及一种钕铁硼片倒角污水处理设备。The utility model relates to a sewage treatment equipment, in particular to a sewage treatment equipment for chamfering neodymium-iron-boron sheets.
背景技术Background technique
目前，企业倒角后的污水大部分都是与生活污水混合直接排放，废水中含有的COD及重金属严重超标，企业排放污水进入城市污水处理厂造成对微生物造成较大伤害，致使微生物不能够正常生长，影响城市污水处理，而且沉淀物长期存于下水管道，一旦被环保部门追查发现，轻则停产整顿，重则追究刑事责任，后果不堪设想。At present, most of the sewage after the chamfering of enterprises is mixed with domestic sewage and discharged directly. The COD and heavy metals contained in the waste water seriously exceed the standard. Growth affects urban sewage treatment, and sediments have been stored in sewer pipes for a long time. Once found by the environmental protection department, production will be suspended for rectification at least, and criminal responsibility will be investigated at worst. The consequences are disastrous.
实用新型内容Utility model content
本实用新型是为了克服上述现有技术中缺陷，提供了一种结构简单，易于实现、操作方便，在保证排出废水达到国家标准的同时提高了原材料回收率的设备。The utility model aims at overcoming the above-mentioned defects in the prior art, and provides a device with simple structure, easy realization and convenient operation, which ensures that the discharged waste water reaches the national standard and improves the recovery rate of raw materials.
一种钕铁硼片倒角污水处理设备，包括：A kind of NdFeB chip chamfering sewage treatment equipment, including:
污水沉淀装置，用于实现将倒角排出来的污水进行初步自然沉淀处理；The sewage sedimentation device is used to realize the preliminary natural sedimentation treatment of the sewage discharged from the chamfer;
加药混合装置，用于实现对所加药剂搅拌后与沉淀后的污水混合反应；The dosing and mixing device is used to realize the mixed reaction of the added medicine after being stirred and the settled sewage;
高效沉淀装置，用于实现对加药后的的污水进一步去除悬浮物，排出合格污水；所述污水沉淀装置与加药混合装置通过管道连通汇合后与高效沉淀装置连通；A high-efficiency sedimentation device is used to further remove suspended matter from the sewage after dosing and discharge qualified sewage; the sewage sedimentation device and the dosing mixing device are connected through pipelines and then connected to the high-efficiency sedimentation device;
污泥压滤装置，用于实现将高效沉淀装置沉淀产生的污泥进行压滤提取沉淀污泥。The sludge filter press device is used to press filter the sludge produced by the high-efficiency sedimentation device to extract the precipitated sludge.
进一步的，如上所述的一种钕铁硼片倒角污水处理设备，所述污水沉淀装置包括倒角污水进水管、一级沉淀池、二级沉淀池、三级沉淀池，三个沉淀池通过隔墙连接，在隔墙上端设有隔墙开口，在所述三级沉淀池内设置有污水提取管路。Further, the sewage treatment equipment for chamfering NdFeB sheets as described above, the sewage settling device includes a chamfering sewage inlet pipe, a primary sedimentation tank, a secondary sedimentation tank, a tertiary sedimentation tank, and three sedimentation tanks They are connected by a partition wall, an opening of the partition wall is provided at the top of the partition wall, and a sewage extraction pipeline is provided in the tertiary sedimentation tank.
进一步地，如上所述的一种钕铁硼片倒角污水处理设备，所述加药混合装置包括絮凝剂搅拌罐、助凝剂搅拌罐，在所述絮凝剂搅拌罐内设置有絮凝剂搅拌电机、助凝剂搅拌罐上设置有助凝剂搅拌电机，在所述絮凝剂搅拌罐和助凝剂搅拌罐的下部分别设置有絮凝剂排出阀门和助凝剂排出阀门，所述絮凝剂排出阀门和助凝剂排出阀门分别通过污水管道与污水提取管路汇合后与污水提取泵连通。Further, in the sewage treatment equipment for chamfering NdFeB sheets as described above, the dosing and mixing device includes a flocculant stirring tank and a flocculant stirring tank, and a flocculant stirring tank is arranged in the flocculant stirring tank The motor and the coagulant aid stirring tank are provided with a coagulant aid stirring motor, and a flocculant discharge valve and a coagulant aid discharge valve are respectively arranged at the lower part of the flocculant stirring tank and the coagulant aid stirring tank, and the flocculant discharge valve The valve and the coagulant aid discharge valve are connected to the sewage extraction pump through the sewage pipeline and the sewage extraction pipeline respectively.
进一步地，如上所述的一种钕铁硼片倒角污水处理设备所述高效沉淀装置包括药剂反应罐、高效沉淀池，所述污水提取泵的管路出口与药剂反应罐连通，药剂反应罐通过管道与高效沉淀池连通，高效沉淀池通过管道与污泥池连通；在所述高效沉淀池的上方内壁设置有集水槽，集水槽的槽壁上设置有合格污水排出口。Further, the high-efficiency sedimentation device of the above-mentioned NdFeB sheet chamfering sewage treatment equipment includes a chemical reaction tank and a high-efficiency sedimentation tank, and the pipeline outlet of the sewage extraction pump is connected with the chemical reaction tank, and the chemical reaction tank The high-efficiency sedimentation tank is connected with the high-efficiency sedimentation tank through the pipeline, and the high-efficiency sedimentation tank is connected with the sludge tank through the pipeline; a water collection tank is arranged on the upper inner wall of the high-efficiency sedimentation tank, and a qualified sewage outlet is provided on the tank wall of the water collection tank.
进一步地，如上所述的一种钕铁硼片倒角污水处理设备，在所述高效沉淀池的底部连通管道上设置有污泥排出阀。Further, in the sewage treatment equipment for chamfering NdFeB sheets as described above, a sludge discharge valve is arranged on the communication pipe at the bottom of the high-efficiency sedimentation tank.
进一步地，如上所述的一种钕铁硼片倒角污水处理设备，所述污泥压滤装置包括压滤机泵、压滤机，所述压滤机泵通过其入口管道与污泥池连通，其出口管道与压滤机连通。Further, in the NdFeB sheet chamfering sewage treatment equipment as described above, the sludge filter press device includes a filter press pump and a filter press, and the filter press pump is connected to the sludge tank through its inlet pipe. Connected, and its outlet pipe is connected with the filter press.
该钕铁硼片倒角污水处理设备结构简单，易于实现、操作方便，在保证排出废水达到国家标准的同时提高了原材料回收率。The NdFeB sheet chamfering sewage treatment equipment has a simple structure, is easy to realize, and is convenient to operate, and improves the recovery rate of raw materials while ensuring that the discharged waste water meets the national standard.
附图说明Description of drawings
图1为本实用新型钕铁硼片倒角污水处理设备结构示意图。Fig. 1 is a structural schematic diagram of the utility model NdFeB sheet chamfering sewage treatment equipment.
附图标记：Reference signs:
1.一级沉淀池，2.二级沉淀池，3.三级沉淀池，4.污水提取管路，5.絮凝剂搅拌罐，6.絮凝剂搅拌电机，7.絮凝剂排出阀门，8.助凝剂搅拌罐，9.助凝剂搅拌电机，10.助凝剂排出阀门，11.污水提取泵，12.药剂反应罐，13.高效沉淀池，14.合格污水排出口，15.污泥排出阀，16.污泥池，17.压滤机泵，18.压滤机，19.倒角污水进水管，20.集水槽，21-隔墙开口。1. Primary sedimentation tank, 2. Secondary sedimentation tank, 3. Tertiary sedimentation tank, 4. Sewage extraction pipeline, 5. Flocculant stirring tank, 6. Flocculant stirring motor, 7. Flocculant discharge valve, 8 .Coagulant aid mixing tank, 9. Coagulant aid stirring motor, 10. Coagulant aid discharge valve, 11. Sewage extraction pump, 12. Chemical reaction tank, 13. High-efficiency sedimentation tank, 14. Qualified sewage outlet, 15. Sludge discharge valve, 16. sludge tank, 17. filter press pump, 18. filter press, 19. chamfering sewage inlet pipe, 20. sump, 21 - opening of partition wall.
具体实施方式Detailed ways
为使本实用新型的目的、技术方案和优点更加清楚，下面本实用新型中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。In order to make the purpose, technical solutions and advantages of the utility model clearer, the technical solutions in the utility model are described clearly and completely below. Obviously, the described embodiments are some embodiments of the utility model, rather than all implementations example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
图1为本实用新型钕铁硼片倒角污水处理设备结构示意图，如图1所示，所述污水沉淀装置包括倒角污水进水管19、一级沉淀池1、二级沉淀池2、三级沉淀池3，三个沉淀池通过隔墙连接，在隔墙上端设有隔墙开口21，在所述三级沉淀池3内设置有污水提取管路4。所述加药混合装置包括絮凝剂搅拌罐5、助凝剂搅拌罐8，在所述絮凝剂搅拌罐5内设置有絮凝剂搅拌电机6、助凝剂搅拌罐8上设置有助凝剂搅拌电机9，在所述絮凝剂搅拌罐5和助凝剂搅拌罐8的下部分别设置有絮凝剂排出阀门7和助凝剂排出阀门10，所述絮凝剂排出阀门7和助凝剂排出阀门10分别通过污水管道与污水提取管路4汇合后与污水提取泵11连通。所述高效沉淀装置包括药剂反应罐12、高效沉淀池13，所述污水提取泵11的管路出口与药剂反应罐12连通，药剂反应罐12通过管道与高效沉淀池13连通，高效沉淀池13通过管道与污泥池16连通；在所述高效沉淀池13的上方内壁设置有集水槽20，集水槽20的槽壁上设置有合格污水排出口14。在所述高效沉淀池13的底部连通管道上设置有污泥排出阀15。所述污泥压滤装置包括压滤机泵17、压滤机18，所述压滤机泵17通过其入口管道与污泥池16连通，其出口管道与压滤机18连通。Fig. 1 is a structural schematic diagram of the utility model NdFeB sheet chamfering sewage treatment equipment, as shown in Fig. The three sedimentation tanks are connected by a partition wall, and a partition wall opening 21 is arranged on the top of the partition wall, and a sewage extraction pipeline 4 is arranged in the third-stage sedimentation tank 3 . The dosing and mixing device comprises a flocculant stirring tank 5 and a coagulant stirring tank 8, a flocculant stirring motor 6 is arranged in the flocculant stirring tank 5, and a coagulant stirring tank 8 is provided with a coagulant stirring tank The motor 9 is provided with a flocculant discharge valve 7 and a coagulant discharge valve 10 at the bottom of the flocculant stirring tank 5 and the coagulant aid stirring tank 8 respectively, and the flocculant discharge valve 7 and the coagulant aid discharge valve 10 They respectively merge with the sewage extraction pipeline 4 through the sewage pipeline and communicate with the sewage extraction pump 11. The high-efficiency sedimentation device includes a chemical reaction tank 12 and a high-efficiency sedimentation tank 13. The pipeline outlet of the sewage extraction pump 11 is communicated with the chemical reaction tank 12, and the chemical reaction tank 12 is communicated with the high-efficiency sedimentation tank 13 through a pipeline. It communicates with the sludge tank 16 through a pipeline; a sump 20 is arranged on the upper inner wall of the high-efficiency sedimentation tank 13 , and a qualified sewage outlet 14 is arranged on the tank wall of the sump 20 . A sludge discharge valve 15 is provided on the communication pipe at the bottom of the high-efficiency sedimentation tank 13 . The sludge filter press device includes a filter press pump 17 and a filter press 18. The filter press pump 17 communicates with the sludge pool 16 through its inlet pipe, and its outlet pipe communicates with the filter press 18.
在生产开始时，员工将钕铁硼片与磨料一块放入光饰机中，不断加入清水，开启光饰机进行倒角，被倒掉的料成为粉末与水一块顺着倒角污水进水管19排入一级沉淀池1里面，经过沉淀后通过隔墙中管路自溢流入二级沉淀池2中进行二次沉淀，再通过隔墙中管路自溢流入三级沉淀池3中进行第三次沉淀。At the beginning of production, employees put NdFeB sheets and abrasives into the finishing machine, continuously add water, and turn on the finishing machine for chamfering. The discarded materials become powder and water along the chamfering sewage inlet pipe 19 is discharged into the primary sedimentation tank 1, and after sedimentation, the pipeline in the partition wall overflows into the secondary sedimentation tank 2 for secondary sedimentation, and then flows into the tertiary sedimentation tank 3 through the pipeline in the partition wall to overflow The third precipitation.
当三级沉淀池3中水量存到一定程度，开始配备药剂。在絮凝剂搅拌罐5和助凝剂搅拌罐8中加满清水后，开启絮凝剂搅拌电机6和助凝剂搅拌电机9开始搅拌，然后加入工艺要求的药剂，再持续搅拌一定时间使药剂充分溶解。When the amount of water in the tertiary sedimentation tank 3 is stored to a certain extent, the medicament is started to be equipped. After filling the flocculant stirring tank 5 and the coagulant aid stirring tank 8 with clear water, turn on the flocculant stirring motor 6 and the coagulant aid stirring motor 9 to start stirring, then add the medicament required by the process, and continue stirring for a certain period of time to make the medicament fully dissolve.
当三级沉淀池3中污水快满时，启动污水提取泵11，同时打开絮凝剂排出阀门7和助凝剂排出阀门10，絮凝剂液、助凝剂液、污水三者混个通过污水提取管路4被提升至药剂反应罐12中从上口进入充分进行反应。同时在反应罐12入水口提取样品观察污水沉淀效果，根据情况调节药剂阀门。污水经过与药剂反应变为絮状沉淀在下口通过管路伸入进入高效沉淀池13中间位置，絮状污泥等顺着管路下口进入高效沉淀池13，较清的污水从管路上口进入高效沉淀池13，当水位达到一定高度，合格污水自溢流入集水槽20，通过合格污水排出口14排出。When the sewage in the tertiary sedimentation tank 3 is almost full, start the sewage extraction pump 11, open the flocculant discharge valve 7 and the coagulant aid discharge valve 10 at the same time, the flocculant liquid, the coagulant aid liquid, and the sewage are mixed and extracted through the sewage The pipeline 4 is lifted into the chemical reaction tank 12 and enters from the upper port to fully react. At the same time, samples are taken from the water inlet of the reaction tank 12 to observe the sewage precipitation effect, and the chemical valve is adjusted according to the situation. Sewage reacts with chemicals and turns into flocculent sediment at the lower opening through the pipeline into the middle of the high-efficiency sedimentation tank 13, flocculent sludge, etc. enters the high-efficiency sedimentation tank 13 along the lower mouth of the pipeline, and clearer sewage enters the high-efficiency sedimentation tank 13 from the upper mouth of the pipeline. After entering the high-efficiency sedimentation tank 13, when the water level reaches a certain height, qualified sewage overflows into the sump 20 and is discharged through the qualified sewage outlet 14.
每运行一定时间，打开高效沉淀池13下口污泥排出阀15，将沉淀在高效沉淀池13内部的污泥排入污泥池16中。Every time it runs for a certain period of time, the sludge discharge valve 15 at the lower port of the high-efficiency sedimentation tank 13 is opened, and the sludge deposited in the high-efficiency sedimentation tank 13 is discharged into the sludge tank 16 .
当污泥池中的污泥达到一定量，开启压滤机泵17，将污泥打入压滤机18里面，打满后，关闭压滤机泵17，开启压滤机18压滤电机开始进行挤压，将泥中的污水挤出，通过管路回流入污泥池16中，泥饼回收再利用。When the sludge in the sludge pool reaches a certain amount, the filter press pump 17 is turned on, and the sludge is pumped into the filter press 18. After filling up, the filter press pump 17 is turned off, and the filter press 18 is turned on. Squeeze to squeeze out the sewage in the mud, and flow back into the sludge pool 16 through the pipeline, and the mud cake is recycled and reused.
该钕铁硼片倒角污水处理设备结构简单，易于实现、操作方便，在保证排出废水达到国家标准的同时提高了原材料回收率。The NdFeB sheet chamfering sewage treatment equipment has a simple structure, is easy to realize, and is convenient to operate, and improves the recovery rate of raw materials while ensuring that the discharged waste water meets the national standard.
最后应说明的是：以上实施例仅用以说明本实用新型的技术方案，而非对其限制；尽管参照前述实施例对本实用新型进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本实用新型各实施例技术方案的精神和范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316774.0U CN203976532U (en) | 2014-06-16 | 2014-06-16 | A kind of neodymium iron boron sheet chamfering sewage disposal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316774.0U CN203976532U (en) | 2014-06-16 | 2014-06-16 | A kind of neodymium iron boron sheet chamfering sewage disposal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976532U true CN203976532U (en) | 2014-12-03 |
Family
ID=51973996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420316774.0U Expired - Fee Related CN203976532U (en) | 2014-06-16 | 2014-06-16 | A kind of neodymium iron boron sheet chamfering sewage disposal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086018A (en) * | 2014-06-16 | 2014-10-08 | 姜姗姗 | Neodymium-iron-boron sheet chamfering sewage treatment device |
| CN110919545A (en) * | 2019-12-20 | 2020-03-27 | 宁波韵升磁体元件技术有限公司 | A centralized liquid supply system for grinding and chamfering of NdFeB products |
-
2014
- 2014-06-16 CN CN201420316774.0U patent/CN203976532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086018A (en) * | 2014-06-16 | 2014-10-08 | 姜姗姗 | Neodymium-iron-boron sheet chamfering sewage treatment device |
| CN110919545A (en) * | 2019-12-20 | 2020-03-27 | 宁波韵升磁体元件技术有限公司 | A centralized liquid supply system for grinding and chamfering of NdFeB products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204237655U (en) | A kind of water correction plant | |
| CN202508946U (en) | Shale gas and oil well fracturing waste liquor recycling system | |
| CN203976532U (en) | A kind of neodymium iron boron sheet chamfering sewage disposal device | |
| CN103951150A (en) | Oily sludge treatment system | |
| CN104086018B (en) | A NdFeB sheet chamfering sewage treatment equipment | |
| CN203540146U (en) | Novel efficient physical-chemical water processing and precipitating device | |
| CN206408005U (en) | Pickling waste waters processing system | |
| CN205347028U (en) | Ore dressing plant or system sand sewage treatment system of factory | |
| CN205258241U (en) | Printing and dyeing wastewater treatment system | |
| CN205133284U (en) | Industrial wastewater treatment equipment | |
| CN205235487U (en) | Multistage recovery unit that subsides of rare earth polishing powder waste material | |
| CN220223755U (en) | Sand washing slurry water treatment system | |
| CN203694682U (en) | Oil field recovery sewage sedimentation tank | |
| CN205773892U (en) | A kind of underground water pollution multistep treatment purifier | |
| CN204159125U (en) | A kind of fracturing outlet liquid treatment facility | |
| CN202555037U (en) | Stone machining wastewater treating and recycling device | |
| CN209759091U (en) | A chemical dosing device for converter dedusting wastewater treatment process | |
| CN201746435U (en) | Novel efficient system for treating sludge in mine wastewater | |
| CN207512014U (en) | A kind of passivating wastewater processing unit | |
| CN205676199U (en) | A kind of environment-friendly type Waster water reuse apparatus | |
| CN205999098U (en) | A kind of sewage auxiliary dephosphorization device | |
| CN206666267U (en) | A kind of improved organic silicon wastewater processing unit | |
| CN206735895U (en) | The precipitation return-flow structure of activated sludge in a kind of sewage disposal system | |
| CN205099541U (en) | Quartz sand sewage treatment cyclic utilization device | |
| CN205419990U (en) | Integrated sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LULIANG UNIVERSITY Free format text: FORMER OWNER: JIANG SHANSHAN Effective date: 20150624 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150624 Address after: 033000 Shanxi city in Lvliang Province, Lishi District, Xueyuan Road No. 1 Patentee after: Luliang University Address before: 033000 Shanxi city of Lvliang province Lishi District No. 1 Xueyuan Road, the personnel department of Luliang University Patentee before: Jiang Panpan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160616 |