CN204193658U - A kind of polysilicon cutting liquid sedimentation device - Google Patents
A kind of polysilicon cutting liquid sedimentation device Download PDFInfo
- Publication number
- CN204193658U CN204193658U CN201420439920.9U CN201420439920U CN204193658U CN 204193658 U CN204193658 U CN 204193658U CN 201420439920 U CN201420439920 U CN 201420439920U CN 204193658 U CN204193658 U CN 204193658U
- Authority
- CN
- China
- Prior art keywords
- cutting liquid
- filter screen
- flow tank
- expansion chamber
- grades
- 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 - Lifetime
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 84
- 239000007788 liquid Substances 0.000 title claims abstract description 75
- 238000004062 sedimentation Methods 0.000 title claims abstract description 39
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 26
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013070 direct material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model provides a kind of polysilicon cutting liquid sedimentation device, comprise the flow tank be connected with cutting machine lathe discharge outlet, cutting liquid feed tube is provided with at top, flow tank one end, other end sidewall is provided with discharge outlet, the position of described discharge outlet is provided with filter screen, two pieces of parallel baffles are vertically set in flow tank and flow tank are divided into first grade subsides room adjacent successively, secondary expansion chamber and three grades of expansion chambers, filter screen is provided with between described baffle plate upper end and flow tank top, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen, filter screen between secondary expansion chamber and three grades of expansion chambers is secondary screen, the filter screen of described discharge outlet position is three grades of filter screens, described cutting liquid feed tube tilts to extend into first grade subsides indoor, the mouth of pipe of described cutting liquid feed tube is lower than baffle plate upper end-face edge.This configuration avoids the problem that polysilicon cutting liquid deposits blocking pipe in long pipeline, remove suspension in cutting liquid simultaneously, cutting liquid can directly be discharged.
Description
Technical field
The utility model relates to field of polysilicon production, particularly a kind of polysilicon cutting liquid sedimentation device.
Background technology
Polysilicon, there is semiconductor property, it is very important defect semiconductor material, the basic material manufacturing transistor radio, recorder, refrigerator, colour TV, video recorder, electronic computer etc. is widely used in electronics industry, being the direct material of manufacture order crystal silicon, is the electronics and information infrastructure material of the semiconductor devices such as contemporary artificial intelligence, automatically control, information processing, opto-electronic conversion.On Solar use, monocrystalline silicon and polysilicon also play huge effect, and the traditional handicraft that production of polysilicon is main in the world has: improved Siemens, silane thermal decomposition process and fluidized bed process.The Siemens be widely adopted at present is in the method for manufacturing polycrystalline silicon (also referred to as Siemens Method) of invention in 1954: adopt high-purity trichlorosilane and high-purity hydrogen to mix formation mixed raw material gas according to certain proportioning, pass in reduction reactor, the HIGH-PURITY SILICON core of heating constantly deposits, makes the diameter of silicon core thicker gradually and form polycrystalline silicon rod.
The silicon core applied in Siemens Method mainly relies on silicon core stove to draw and forms, and silicon core will match rear two assemblings and is sandwiched in reduction furnace, and must carry out processing to it processes, as opened U-shaped bifurcation mouth at major part place, and root grinding core etc.; Drawing silicon core needs silicon core masterbatch in addition, and silicon core masterbatch is formed by silicon rod cutting.A large amount of polysilicon cutting liquids can be produced in this machining and shaping process, this part cutting liquid comprises a large amount of dust and suspension, that cutting liquid is being disposed to large-scale settling tank sedimentation through blow-off line in prior art, dust sinks at the bottom of pond through sedimentation, and supernatant liquid is then by discharging after purified treatment.Following problem is there is in the processing procedure of above-mentioned cutting liquid, on the one hand, cutting liquid is in the duct in course of conveying, in cutting liquid, dust can sedimentation gradually in blow-off pipe, As time goes on cumulative, final blocking pipe, and the line clogging that these solid dust sedimentations cause to carry out pass blocking difficulty very big, this is because the absorption affinity that silica flour is deposited in pipeline is very large, adopts spiral wire to rotate pass blocking and be difficult to thoroughly dredging, can block again every about 1 month.In order to thorough dredging, need to block pipeline, inner from section pipe blow-through, the unimpeded time of about 1 year can be ensured like this, therefore so also not as people's will; Line clogging blowdown freely can not cause again production not run continuously.On the other hand, settling tank volume is larger, so need stopping production 2 days between salvaging clear-up period, need first to proceed to wastewater treatment by after the employing dredge pump pump drainage in settling tank, dredge pump consumes a large amount of energy in pump drainage process, water just needs after discharging to arrange a large amount of manpower and materials to carry out salvaging cleaning to settling tank, then manually salvages the solid sludges of sedimentation and mud pack is transported.Visible cutting liquid is entered settling tank sedimentation, not only easily block conveyance conduit, cause pass blocking difficulty, and the salvaging of settling tank takes time and effort, and adds production cost.
Utility model content
The purpose of this utility model is to provide a kind of polysilicon cutting liquid sedimentation device, this polysilicon cutting liquid sedimentation device avoids the line clogging problem caused in cutting liquid long distance delivery process, can directly be discharged by the water after this sedimentation device sedimentation, free from environmental pollution.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of polysilicon cutting liquid sedimentation device, comprise the flow tank be connected with cutting machine lathe discharge outlet, the top of described flow tank one end is provided with cutting liquid feed tube, the sidewall of the other end is provided with discharge outlet, the position of described discharge outlet is provided with filter screen, two pieces of parallel baffles are vertically set in described flow tank and flow tank are divided into first grade subsides room adjacent successively, secondary expansion chamber and three grades of expansion chambers, filter screen is provided with between described baffle plate upper end and the top of flow tank, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen, filter screen between secondary expansion chamber and three grades of expansion chambers is secondary screen, the filter screen of the position of described discharge outlet is three grades of filter screens, described cutting liquid feed tube tilts to extend into first grade subsides indoor, the described mouth of pipe extending into the cutting liquid feed tube of first grade subsides room is lower than baffle plate upper end-face edge.
The bottom of described expansion chamber is provided with basket, and described basket is flexibly connected with expansion chamber, is provided with fluffy steel wire lump in described basket.Fluffy steel wire lump is that the steel wire lump sold on the market pulls fluffy use.
The height of the dividing plate between described secondary expansion chamber and three grades of expansion chambers is lower than the divider height 30cm between first grade subsides room and secondary expansion chamber.
Described one-level filter screen is 80 mesh filter screens.
Described secondary screen is 120 mesh filter screens.
Described three grades of filter screens are 200 mesh filter screens.
Beneficial effect:
1, the utility model is by flow tank sedimentation cutting liquid, by the dust in three adjacent successively expansion chamber sedimentation cutting liquids, triple settlement treatment of the filter screen that the suspension simultaneously in liquid goes out with the filter screen of liquid above baffle plate and discharge outlet, compared with prior art, once just can eliminate the dust in cutting liquid and suspension, liquid after sedimentation, without the need to again through proceeding to wastewater treatment, directly can be discharged into the external world.Decrease cutting liquid sedimentation process, adopt flow tank, because flow tank volume is little, be placed on distance cutting off machine nearer, conveyance conduit is short, and therefore entering at cutting liquid in the process of flow tank can not blocking pipe, solves the problem of line clogging pass blocking difficulty in prior art.Adopt flow tank sedimentation, can dust fast at the bottom of wash-up tray, without the need to stopping production, more do not need dredge pump draining, save manpower, material resources, reduce energy consumption.The top of described flow tank one end is provided with cutting liquid feed tube, cutting liquid feed tube tilts to extend into first grade subsides indoor, the described mouth of pipe extending into the cutting liquid feed tube of first grade subsides room is lower than baffle plate upper end-face edge, cutting liquid flows into flow tank and automatically forms whirlpool, accelerate the speed of sedimentation under the centrifugal force condition that dust produces at whirlpool, make filter screen by very fast blocking, can not ensure that cutting liquid is continuous, stable, effective settlement treatment.
2, the utility model is provided with basket in the bottom of expansion chamber, and fluffy steel wire lump is set in basket, time bottom dust settling to expansion chamber, dust has been attached on steel wire lump greatly, can prevent the dust of sedimentation again expansion chamber seethe blocking filter screen, basket and expansion chamber are flexibly connected, when needing to clear up the precipitum in expansion chamber, as long as the basket in expansion chamber is taken out, most dust is removed because be attached on the fluffy steel wire lump in basket, make cleaning flow tank dust by fast like this, be cleared easily.
3, the utility model adopts one-level filter screen to be the particle that 80 mesh filter screens filter out more than 0.18mm in cutting liquid, and secondary screen is the particulate that 120 mesh filter screens filter more than 0.12mm, and three grades of filter screens are the particulate of 200 more than mesh filter screen 0.075mm.So triple strainer filterings are set, three metafiltration nets cooperatively interact, there will not be the problem making too greatly filter screen often block because of filter screen order number at different levels, also there will not be because too little some suspensions that make of filter screen order number filter imperfect problem, improve the settling efficiency of polysilicon cutting liquid, and reach emission request from flow tank discharge outlet water out, suspension is lower than discharging standards 100mg/L, can rain rill be disposed to, do not need picture in the prior art son need again through waste water treatment process.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model one-level or secondary expansion chamber structural representation.
1 flow tank, 2 cutting machine lathe discharge outlet, 3 cutting liquid feed tubes, 4 one-level filter screens, 5 secondary screen, 6 three grades of filter screens, 7 first grade subsides rooms, 8, secondary expansion chamber, 9 baffle plates, 10 3 grades of expansion chambers, 11 flow tank discharge outlet, 12 fluffy steel wire lumps, 13 baskets.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described.
Embodiment 1
As shown in Figure 1, a kind of polysilicon cutting liquid sedimentation device, comprise the flow tank 1 be connected with cutting machine lathe discharge outlet 2, the top of described flow tank 1 one end is provided with cutting liquid feed tube 3, the sidewall of the other end is provided with discharge outlet 11, the position of described discharge outlet 11 is provided with filter screen 4, two pieces of parallel baffles 7 are vertically set in described flow tank 1 flow tank 1 is divided into first grade subsides room 7 adjacent successively, secondary expansion chamber 8 and three grades of expansion chambers 10, filter screen is provided with between described two boards 7 upper end and the top of flow tank, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen 4, filter screen between secondary expansion chamber 8 and three grades of expansion chambers 10 is secondary screen 5, the filter screen of the position of described discharge outlet 11 is three grades of filter screens 6, described cutting liquid feed tube 3 tilts to extend into first grade subsides indoor 7, the described mouth of pipe extending into the cutting liquid feed tube 3 of first grade subsides room 7 is lower than baffle plate 9 upper end-face edge.During operation, cutting liquid is discharged from cutting machine lathe discharge outlet 2, first grade subsides room 7 is entered by the cutting liquid feed tube 3 of flow tank 1, a large amount of dust is in first grade subsides room 7 sedimentation, when the liquid level of cutting liquid exceedes the height of baffle plate 9, cutting liquid enters secondary expansion chamber 8 by filter screen, suspension in cutting liquid is by first-level filtering net filtration, such cutting liquid just have passed through a sedimentation and filtration, again successively through secondary expansion chamber 8 and secondary screen 5, the sedimentation of three grades of expansion chambers 10 and three grades of filter screens 6 and filtration, so not only can continuous effective carry out sedimentation, and the dust in cutting liquid and suspension all can be separated.
Flow tank of the present utility model can be connected with various cutting machine, realizes the sedimentation of cutting liquid, and cutting machine mainly contains circular saw cutting machine, trepanning machine, cone grinding machine, drives bifurcation machine etc.
Embodiment 2
A kind of polysilicon cutting liquid sedimentation device, comprise the flow tank 1 be connected with cutting machine lathe discharge outlet 2, the top of described flow tank 1 one end is provided with cutting liquid feed tube 3, the sidewall of the other end is provided with discharge outlet 11, the position of described discharge outlet 11 is provided with filter screen 4, two pieces of parallel baffles 7 are vertically set in described flow tank 1 flow tank 1 is divided into first grade subsides room 7 adjacent successively, secondary expansion chamber 8 and three grades of expansion chambers 10, filter screen is provided with between described two boards 7 upper end and the top of flow tank, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen 4, filter screen between secondary expansion chamber 8 and three grades of expansion chambers 10 is secondary screen 5, the filter screen of the position of described discharge outlet 11 is three grades of filter screens 6, described cutting liquid feed tube 3 tilts to extend into first grade subsides indoor 7, the described mouth of pipe extending into the cutting liquid feed tube 3 of first grade subsides room 7 is lower than baffle plate 9 upper end-face edge.The bottom of described expansion chamber is provided with basket, and described basket is flexibly connected with expansion chamber, is provided with fluffy steel wire lump in described basket.As shown in Figure 2, the present embodiment is for first grade subsides room, basket 13 is provided with in the bottom of first grade subsides room 7, basket 13 can be bamboo basket, metallic blue, plastics are blue, basket 13 and first grade subsides room 7 are flexibly connected, such basket 13 can take out from first grade subsides room 7, some fluffy steel wire lumps 12 are provided with inside basket 13, when the precipitum bottom first grade subsides room will be removed, because precipitum is attached on fluffy steel wire lump, takes out like this while filling fluffy steel wire lump basket 13, just precipitum is taken out from expansion chamber.
Embodiment 3
A kind of polysilicon cutting liquid sedimentation device, comprise the flow tank 1 be connected with cutting machine lathe discharge outlet 2, the top of described flow tank 1 one end is provided with cutting liquid feed tube 3, the sidewall of the other end is provided with discharge outlet 11, the position of described discharge outlet 11 is provided with filter screen 4, two pieces of parallel baffles 7 are vertically set in described flow tank 1 flow tank 1 is divided into first grade subsides room 7 adjacent successively, secondary expansion chamber 8 and three grades of expansion chambers 10, filter screen is provided with between described two boards 7 upper end and the top of flow tank, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen 4, filter screen between secondary expansion chamber 8 and three grades of expansion chambers 10 is secondary screen 5, the filter screen of the position of described discharge outlet 11 is three grades of filter screens 6, described cutting liquid feed tube 3 tilts to extend into first grade subsides indoor 7, the described mouth of pipe extending into the cutting liquid feed tube 3 of first grade subsides room 7 is lower than baffle plate 9 upper end-face edge.Divider height between described secondary expansion chamber 8 and three grades of expansion chambers 10 is lower than the height 30cm of the dividing plate between first grade subsides room 7 and secondary expansion chamber 8.In the sedimentation through first grade subsides room 7, first grade subsides room has been stayed in a large amount of dust and this sedimentation of suspension and filtration, dividing plate 9 height between secondary expansion chamber 8 of the present utility model and three grades of expansion chambers 10 is lower than the divider height 30cm between first grade subsides room and secondary expansion chamber, this structure not only increases the flow that secondary expansion chamber 8 flows into three grades of settling tanks 10, ensure that sinking speed simultaneously, filter screen also can not be blocked very soon, effectively improves effect of settling.
Implement 4
A kind of polysilicon cutting liquid sedimentation device, comprise the flow tank 1 be connected with cutting machine lathe discharge outlet 2, the top of described flow tank 1 one end is provided with cutting liquid feed tube 3, the sidewall of the other end is provided with discharge outlet 11, the position of described discharge outlet 11 is provided with filter screen 4, two pieces of parallel baffles 7 are vertically set in described flow tank 1 flow tank 1 is divided into first grade subsides room 7 adjacent successively, secondary expansion chamber 8 and three grades of expansion chambers 10, filter screen is provided with between described two boards 7 upper end and the top of flow tank, filter screen between described first grade subsides room and secondary expansion chamber is one-level filter screen 4, filter screen between secondary expansion chamber 8 and three grades of expansion chambers 10 is secondary screen 5, the filter screen of the position of described discharge outlet 11 is three grades of filter screens 6, described cutting liquid feed tube 3 tilts to extend into first grade subsides indoor 7, the described mouth of pipe extending into the cutting liquid feed tube 3 of first grade subsides room 7 is lower than baffle plate 9 upper end-face edge.Described one-level filter screen 4 is 80 mesh filter screens.Described secondary screen 5 is 120 mesh filter screens.Described three grades of filter screens 6 are 200 mesh filter screens.According to the service condition of filter screen, suspension etc. filter screen at different levels can be cleared up with water pipe from washing away in the other direction filter screen.
Claims (6)
1. a polysilicon cutting liquid sedimentation device, it is characterized in that: comprise the flow tank (1) be connected with cutting machine lathe discharge outlet (2), the top of described flow tank (1) one end is provided with cutting liquid feed tube (3), the sidewall of the other end is provided with flow tank discharge outlet (11), the position of described flow tank discharge outlet (11) is provided with filter screen, two pieces of parallel baffles (9) are vertically set in described flow tank and flow tank are divided into first grade subsides room (7) adjacent successively, secondary expansion chamber (8) and three grades of expansion chambers (10), filter screen is provided with between described baffle plate (9) upper end and the top of flow tank 1, filter screen between described first grade subsides room (7) and secondary expansion chamber (8) is one-level filter screen (4), filter screen between secondary expansion chamber (8) and three grades of expansion chambers (10) is secondary screen (5), the filter screen of described discharge outlet (11) position is three grades of filter screens (6), the inclination of described cutting liquid feed tube (3) extend in first grade subsides room (7), the mouth of pipe of the described cutting liquid feed tube (3) extend in first grade subsides room (7) is lower than baffle plate (9) upper end-face edge.
2. a kind of polysilicon cutting liquid sedimentation device according to claim 1, it is characterized in that: the bottom of described expansion chamber is provided with basket (13), described basket (13) is flexibly connected with expansion chamber, is provided with fluffy steel wire lump (12) in described basket (13).
3. a kind of polysilicon cutting liquid sedimentation device according to claim 1, is characterized in that: the height of the dividing plate between described secondary expansion chamber (8) and three grades of expansion chambers (10) is lower than the height 30cm of the dividing plate between first grade subsides room (7) and secondary expansion chamber (8).
4. a kind of polysilicon cutting liquid sedimentation device according to claim 1, is characterized in that: described one-level filter screen (4) is 80 mesh filter screens.
5. a kind of polysilicon cutting liquid sedimentation device according to claim 1, is characterized in that: described secondary screen (5) is 120 mesh filter screens.
6. a kind of polysilicon cutting liquid sedimentation device according to claim 1, is characterized in that: described three grades of filter screens (6) are 200 mesh filter screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439920.9U CN204193658U (en) | 2014-08-06 | 2014-08-06 | A kind of polysilicon cutting liquid sedimentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439920.9U CN204193658U (en) | 2014-08-06 | 2014-08-06 | A kind of polysilicon cutting liquid sedimentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204193658U true CN204193658U (en) | 2015-03-11 |
Family
ID=52651659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439920.9U Expired - Lifetime CN204193658U (en) | 2014-08-06 | 2014-08-06 | A kind of polysilicon cutting liquid sedimentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204193658U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001147A (en) * | 2016-07-22 | 2016-10-12 | 新疆八钢金属制品有限公司 | Wire drawing lubricant regeneration method used for cold rolled ribbed bar |
| CN110735035A (en) * | 2018-07-19 | 2020-01-31 | 沈阳芯源微电子设备股份有限公司 | Metal recovery and classification waste discharge device for wafer photoresist and metal stripping process |
| CN110743274A (en) * | 2019-11-07 | 2020-02-04 | 天津富斯特压力容器有限公司 | Multifunctional filter |
| CN111672199A (en) * | 2020-06-23 | 2020-09-18 | 广东赛威赢环境技术工程有限公司 | Conveniently clear up sewage treatment plant who filters otter board |
| CN113244691A (en) * | 2021-05-14 | 2021-08-13 | 浙江福陆工程设计有限公司 | Liquid seal container for filtering and separating |
| CN117209097A (en) * | 2023-10-17 | 2023-12-12 | 魏庆温 | Environment-friendly construction method for highway engineering |
-
2014
- 2014-08-06 CN CN201420439920.9U patent/CN204193658U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001147A (en) * | 2016-07-22 | 2016-10-12 | 新疆八钢金属制品有限公司 | Wire drawing lubricant regeneration method used for cold rolled ribbed bar |
| CN110735035A (en) * | 2018-07-19 | 2020-01-31 | 沈阳芯源微电子设备股份有限公司 | Metal recovery and classification waste discharge device for wafer photoresist and metal stripping process |
| CN110743274A (en) * | 2019-11-07 | 2020-02-04 | 天津富斯特压力容器有限公司 | Multifunctional filter |
| CN111672199A (en) * | 2020-06-23 | 2020-09-18 | 广东赛威赢环境技术工程有限公司 | Conveniently clear up sewage treatment plant who filters otter board |
| CN113244691A (en) * | 2021-05-14 | 2021-08-13 | 浙江福陆工程设计有限公司 | Liquid seal container for filtering and separating |
| CN117209097A (en) * | 2023-10-17 | 2023-12-12 | 魏庆温 | Environment-friendly construction method for highway engineering |
| CN117209097B (en) * | 2023-10-17 | 2024-05-28 | 中国公路工程咨询集团有限公司 | Environment-friendly construction method for highway engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204193658U (en) | A kind of polysilicon cutting liquid sedimentation device | |
| CN210884382U (en) | Conveyor is used in grit production | |
| CN102258903B (en) | Filter device with inverted T-shaped filter screen for multiple filtrations | |
| CN204022593U (en) | Crystal glass sewage treatment equipment | |
| CN104150637A (en) | Treatment system for treating silicon-containing waste water and method thereof | |
| CN204767808U (en) | Novel deposit and filter device | |
| CN203540146U (en) | Novel efficient physical-chemical water processing and precipitating device | |
| CN112191052B (en) | Dust treatment method and dust treatment system for stone processing | |
| CN216367017U (en) | Novel integrated water purifying equipment | |
| CN206746051U (en) | A kind of processing system in coal chemical industry Heisui River | |
| CN204470266U (en) | A kind of changing food waste slurry slag removing system | |
| CN204911006U (en) | Pipe chute filters all -in -one | |
| CN212383292U (en) | Waste water treatment device | |
| CN204395551U (en) | Novel more medium filter | |
| CN210543758U (en) | Sedimentation tank for water pollution treatment | |
| CN107456787B (en) | Multi-medium filter | |
| CN205953705U (en) | Washing wastewater circulation system in cement adaptation groove | |
| CN206577476U (en) | A kind of Novel quicksand filter | |
| CN206084042U (en) | Bolt washs transmission device | |
| CN214597470U (en) | Filter equipment of copper sulfate solution | |
| CN205170541U (en) | Sewage filtering device | |
| CN204550266U (en) | A kind for the treatment of unit containing superfine silica powder waste water | |
| CN215918188U (en) | Silicon carbide micro-powder purification and classification device | |
| CN219167934U (en) | Waste water circulating device for quartz processing and cleaning | |
| CN210103619U (en) | Closed circulation system of cooling water for cutting silicon core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150311 |