CN107137966A - A kind of chemical industry filtering tank - Google Patents

A kind of chemical industry filtering tank Download PDF

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Publication number
CN107137966A
CN107137966A CN201710582769.2A CN201710582769A CN107137966A CN 107137966 A CN107137966 A CN 107137966A CN 201710582769 A CN201710582769 A CN 201710582769A CN 107137966 A CN107137966 A CN 107137966A
Authority
CN
China
Prior art keywords
tank body
sieve nest
engaged
mounting ring
mounting
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.)
Pending
Application number
CN201710582769.2A
Other languages
Chinese (zh)
Inventor
罗秋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengyang Yishun Chemical Co Ltd
Original Assignee
Hengyang Yishun Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hengyang Yishun Chemical Co Ltd filed Critical Hengyang Yishun Chemical Co Ltd
Priority to CN201710582769.2A priority Critical patent/CN107137966A/en
Publication of CN107137966A publication Critical patent/CN107137966A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/902Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention belongs to technical field of chemical, there is provided a kind of chemical industry filtering tank, including tank body, the top side detachable of tank body is connected with lid, the bottom of tank body is provided with outlet pipe, the side wall of tank body is provided with provided with the water conservancy diversion frame being engaged with water inlet pipe in water inlet pipe, tank body, and water conservancy diversion frame is detachably connected with tank body;Erecting bed is surrounded with the inwall of tank body, the first sieve nest is removably connected with erecting bed, first sieve nest is provided with the first mounting ring being engaged with erecting bed, the second sieve nest is arranged with first sieve nest, second sieve nest is provided with the second mounting ring being engaged with the first mounting ring, the aperture of first sieve nest is less than the aperture of the second sieve nest, circular row is provided with fastener on erecting bed, the first mounting ring and the second mounting ring are provided with the slideway and mounting hole being engaged with fastener, and slideway is communicated with mounting hole.The present invention is easy to disassemble, installs and cleans, and filter medium is convenient to clean, and improves the convenience used, simple in construction.

Description

A kind of chemical industry filtering tank
Technical field
The present invention relates to technical field of chemical, and in particular to a kind of chemical industry filtering tank.
Background technology
Filtering be make liquid consolidate or gas-solid mixture in fluid be forced through porous filter medium, by it is therein suspend it is solid Body particle is retained, and is a kind of unit operation for belonging to fluid dynamical process so as to realize the separation of mixture.Filtering is work Important procedure in industry production, the particularly sewage disposal in Chemical Manufacture.In order to which impurity is removed, it will often be put in tank body One layer of mesh or microporous filter media are put, but this filter after filtering, is being not easy to dismantle and installed, mistake Filter out the medium come to be difficult to clean up, the convenience used is inadequate.
Therefore, a kind of new chemical industry filtering tank is developed, not only with urgent researching value, it may have good economic effect Benefit and commercial application potentiality, where this power that exactly present invention is accomplished and basis.
The content of the invention
For defect of the prior art, the present invention provides a kind of chemical industry filtering tank, in order to dismantle and install, cleaning It is convenient, improve the convenience used.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that:
A kind of chemical industry filtering tank, including tank body, the top side detachable of the tank body are connected with lid, the bottom of the tank body Portion is provided with outlet pipe, and the side wall of the tank body, which is provided with water inlet pipe, the tank body, to be provided with and leading that the water inlet pipe is engaged Frame is flowed, the water conservancy diversion frame is detachably connected with the tank body;
It is surrounded with the inwall of the tank body on erecting bed, the erecting bed and is removably connected with the first sieve nest, institute State the first sieve nest and be provided with the first mounting ring that is engaged with the erecting bed, first sieve nest and be arranged with the second sieve nest, Second sieve nest is provided with the second mounting ring being engaged with the first mounting ring, and the aperture of first sieve nest is less than institute State circular row on the aperture of the second sieve nest, the erecting bed and be provided with fastener, the first mounting ring and the second mounting ring Provided with the slideway and mounting hole being engaged with the fastener, the slideway is communicated with the mounting hole.
As a kind of perferred technical scheme, the water conservancy diversion frame includes deflector and mounting bracket, and the deflector screw thread connects It is connected on the mounting bracket, the mounting bracket is provided with connecting portion, the inwall of the tank body and offered and the connecting portion phase The mounting groove of cooperation.
As a kind of perferred technical scheme, it is described provided with the fastener being engaged with the connecting portion in the mounting groove Fastener is fixed in the mounting groove by spring.
As a kind of perferred technical scheme, the first mounting ring, the second mounting ring are interior with the tank body Wall is engaged.
As a kind of perferred technical scheme, valve has been connected through a screw thread on the outlet pipe and the water inlet pipe, The valve is stop valve.
Due to using above technical scheme, the invention has the advantages that:
The top side detachable of tank body is connected with lid, and the bottom of tank body is provided with outlet pipe, and the side wall of tank body is provided with water inlet Provided with the water conservancy diversion frame being engaged with water inlet pipe in pipe, tank body, water conservancy diversion frame is detachably connected with tank body;It surround and sets on the inwall of tank body It is equipped with erecting bed, erecting bed and is removably connected with the first sieve nest, the first sieve nest is provided with the first peace being engaged with erecting bed Fill and the second sieve nest is arranged with ring, the first sieve nest, the second sieve nest is provided with the second mounting ring being engaged with the first mounting ring, the The aperture of one sieve nest is less than circular row on the aperture of the second sieve nest, erecting bed and is provided with fastener, and the first mounting ring and second are installed Ring is provided with the slideway and mounting hole that are engaged with fastener, and slideway is communicated with mounting hole, in the use of the present invention, using removable Lid can be dismantled by unloading the lid of connection, be easy to operate tank interior structure and part, drawn using water inlet pipe Lead fluid to be filtered to enter in tank body, the fluid after filtering is exported using outlet pipe, be easy to using water conservancy diversion frame to logical The fluid for crossing water inlet pipe into tank body carries out water conservancy diversion and buffering, reduces fluid for the direct impact of sieve nest, dismountable water conservancy diversion Frame is easily installed and dismantled, and is engaged using erecting bed with the first mounting ring, and erecting bed is engaged with the second mounting ring is easy to peace The first sieve nest and the second sieve nest are filled, while realize dismountable connected mode, setting for the first sieve nest and the second sieve nest aperture is utilized Put and be easy to realize secondary filter to fluid, being engaged using fastener with mounting hole can be by the first mounting ring and the second mounting ring On erecting bed, erecting bed can be fixed on by the first mounting ring and the second mounting ring by being engaged using slideway with fastener On, it is simple in construction, it is easily installed and dismantles.
Water conservancy diversion frame includes deflector and mounting bracket, and deflector is threadedly connected on mounting bracket, and mounting bracket is provided with connecting portion, The mounting groove being engaged with connecting portion is offered on the inwall of tank body, in the use of the present invention, using deflector to being passed through in tank Fluid carry out water conservancy diversion, reduce destruction and influence that direct impact of the fluid on sieve nest is caused, deflector entered using mounting bracket Row is installed and fixed, is engaged using mounting groove with connecting portion and is easy to that water conservancy diversion frame is installed and dismantled, consequently facilitating cleaning.
Provided with the fastener being engaged with connecting portion in mounting groove, fastener is fixed in mounting groove by spring, and the present invention exists In use, being easy to carry out installation fixation to water conservancy diversion frame using fastener, it is easy to that water conservancy diversion frame is dismantled and installed using spring, ties Structure is simple, easy to use.
The first mounting ring, the second mounting ring are engaged with the inwall of tank body, in the use of the present invention, being installed using first Ring, the setting of the second mounting ring are fitted close the first sieve nest and the second sieve nest and inner tank wall, improve the reasonability of structure.
Valve is connected through a screw thread on outlet pipe and water inlet pipe, valve is stop valve, in the use of the present invention, utilizing The valve of threaded connection can control the flowing of fluid to end, simple using stop valve structure, during opening and closing sealing surface it Between frictional force it is small, it is relatively durable, open intensity less, it is easy to manufacture, it is easy to maintenance, it is adaptable to the fluid of various pressure sizes.
In summary, the present invention is easy to disassemble, installs and cleans, and filter medium is convenient to clean, and improves the facility used Property, it is simple in construction, it is easy to large-scale promotion and uses.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, similar element Or part is general by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of water conservancy diversion frame;
Fig. 3 is the structural representation of the first sieve nest;
Fig. 4 is the mplifying structure schematic diagram of part A in Fig. 1;
In accompanying drawing, 1, tank body, 11, erecting bed, 12, mounting groove, 13, fastener, 14, outlet pipe, 15, water inlet pipe, 2, lid, 3rd, water conservancy diversion frame, 31, deflector, 32, mounting bracket, 33, connecting portion, the 4, first sieve nest, 41, the first mounting ring, the 5, second sieve nest, 51st, the second mounting ring, 6, fastener, 7, slideway, 8, mounting hole, 9, valve.
Embodiment
Technical scheme is described in detail below in conjunction with embodiment.Following examples are only used for more Technical scheme is clearly demonstrated, therefore is only used as example, and can not be limited the scope of the invention with this.
As Figure 1-4, a kind of chemical industry filtering tank, including tank body 1, the top side detachable of tank body 1 is connected with lid 2, Using snapping connection in the present embodiment, the bottom of tank body 1 is provided with outlet pipe 14, and the side wall of tank body 1 is provided with water inlet pipe 15, tank body Provided with the water conservancy diversion frame 3 being engaged with water inlet pipe 15 in 1, water conservancy diversion frame 3 is detachably connected with tank body 1;
It is surrounded with the inwall of tank body 1 on erecting bed 11, erecting bed 11 and is removably connected with the first sieve nest 4, first Sieve nest 4 is provided with the first mounting ring 41 being engaged with erecting bed 11, the first sieve nest 4 and is arranged with the second sieve nest 5, the second sieve nest 5 provided with the second mounting ring 51 being engaged with the first mounting ring 41, and the aperture of the first sieve nest 4 is less than the aperture of the second sieve nest 5, The fastener 6 that circular row is provided with fastener 6, the present embodiment on erecting bed 11 uses fastening bolt, the first mounting ring 41 and Two mounting rings 51 are provided with the slideway 7 and mounting hole 8 being engaged with fastener 6, and slideway 7 is communicated with mounting hole 8.
Wherein, lid 2 can be dismantled, is easy to the internal structure of tank body 1 and zero using the lid 2 being detachably connected Part is operated, and guides fluid to be filtered to enter in tank body 1 using water inlet pipe 15, utilizes the fluid after 14 pairs of filterings of outlet pipe Exported, be easy to carry out water conservancy diversion and buffering to the fluid for entering tank body 1 by water inlet pipe 15 using water conservancy diversion frame 3, reduce fluid For the direct impact of sieve nest, dismountable water conservancy diversion frame 3 is easily installed and dismantled, and utilizes erecting bed 11 and the phase of the first mounting ring 41 Coordinate, erecting bed is engaged with the second mounting ring 51 is easily installed the first sieve nest 4 and the second sieve nest 5, while realizing dismountable Connected mode, is easy to realize secondary filter to fluid, utilizes fastener 6 using the setting in the first sieve nest 4 and the aperture of the second sieve nest 5 Being engaged with mounting hole 8 can be arranged on the first mounting ring 41 and the second mounting ring 51 on erecting bed 11, using slideway 7 and tightly Firmware 6, which is engaged, to be fixed on the first mounting ring 41 and the second mounting ring 51 on erecting bed 11, simple in construction, be easily installed And dismounting.
Water conservancy diversion frame 3 includes deflector 31 and mounting bracket 32 in the present embodiment, and deflector 31 is threadedly connected on mounting bracket 32, Mounting bracket 32 is provided with connecting portion 33, the inwall of tank body 1 and offers the mounting groove 12 being engaged with connecting portion 33, utilizes water conservancy diversion The fluid that 31 pairs of plate is passed through in tank carries out water conservancy diversion, reduces destruction and influence that direct impact of the fluid on sieve nest is caused, utilizes peace Shelve 32 pairs of deflectors 31 to be installed and fixed, be engaged using mounting groove 12 with connecting portion 33 and be easy to pacify water conservancy diversion frame Dress and dismounting, consequently facilitating cleaning.
Provided with the fastener 13 being engaged with connecting portion in mounting groove 12 in the present embodiment, fastener 13 is fixed in peace by spring In tankage 12, using fastener 13 be easy to water conservancy diversion frame 32 carry out installation fixation, be easy to dismantle water conservancy diversion frame using spring and Install, it is simple in construction, it is easy to use.
The inwall of the first mounting ring 41, the second mounting ring 51 with tank body 1 is engaged in the present embodiment, is installed using first Ring 41, the setting of the second mounting ring 51 make the first sieve nest 4 and the second sieve nest 5 are fitted close with the inwall of tank body 1, improve the conjunction of structure Rationality.
Valve 9 is connected through a screw thread on outlet pipe 14 and water inlet pipe 15 in the present embodiment, valve 9 is stop valve, profit The flowing that can control fluid with the valve 9 of threaded connection ends, simple using stop valve structure, the sealing surface during opening and closing Between frictional force it is small, it is relatively durable, open intensity less, it is easy to manufacture, it is easy to maintenance, it is adaptable to the stream of various pressure sizes Body.
In the use of the present invention, fluid enters tank body by water inlet pipe, water conservancy diversion frame carries out water conservancy diversion to the fluid for entering tank body Slow down, reduce the impulsive force of fluid, the first sieve nest carries out first time filtering to fluid, filters out larger debris of volume etc., Second sieve nest carries out second to fluid and filtered, and filters out the debris of small volume, after flow out tank body by outlet pipe;Carry out one After the filtration of section time, lid is opened, mounting bracket is taken out out of mounting groove, so that water conservancy diversion frame integrally takes out tank body It is interior, after fastener progress rotation is unscrewed, the first sieve nest and the second sieve nest are rotated, fastener is slided into slideway up to peace Fill in hole, the first sieve nest and the second sieve nest are taken out into tank body, you can each part and tank body are cleaned.
In the specification of the present invention, numerous specific details are set forth.It is to be appreciated, however, that embodiments of the invention can be with Put into practice in the case of these no details.In some instances, known method, structure and skill is not been shown in detail Art, so as not to obscure the understanding of this description.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.

Claims (5)

1. a kind of chemical industry filtering tank, it is characterised in that:Including tank body, the top side detachable of the tank body is connected with lid, institute The bottom for stating tank body is provided with outlet pipe, and the side wall of the tank body, which is provided with water inlet pipe, the tank body, to be provided with and the water inlet pipe The water conservancy diversion frame being engaged, the water conservancy diversion frame is detachably connected with the tank body;
It is surrounded with the inwall of the tank body on erecting bed, the erecting bed and is removably connected with the first sieve nest, described One sieve nest is provided with the first mounting ring being engaged with the erecting bed, first sieve nest and is arranged with the second sieve nest, described Second sieve nest is provided with the second mounting ring that is engaged with the first mounting ring, and the aperture of first sieve nest is less than described the Circular row is provided with fastener, the first mounting ring and the second mounting ring and set on the aperture of two sieve nests, the erecting bed There are the slideway and mounting hole being engaged with the fastener, the slideway is communicated with the mounting hole.
2. a kind of chemical industry filtering tank according to claim 1, it is characterised in that:The water conservancy diversion frame includes deflector and peace Shelve, the deflector is threadedly connected on the mounting bracket, the mounting bracket is provided with connecting portion, the inwall of the tank body Offer the mounting groove being engaged with the connecting portion.
3. a kind of chemical industry filtering tank according to claim 2, it is characterised in that:It is provided with and the company in the mounting groove The fastener that socket part is engaged, the fastener is fixed in the mounting groove by spring.
4. a kind of chemical industry filtering tank according to claim 1, it is characterised in that:The first mounting ring, described second Inwall of the mounting ring with the tank body is engaged.
5. a kind of chemical industry filtering tank according to claim 1, it is characterised in that:On the outlet pipe and the water inlet pipe Valve is connected through a screw thread, the valve is stop valve.
CN201710582769.2A 2017-07-17 2017-07-17 A kind of chemical industry filtering tank Pending CN107137966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710582769.2A CN107137966A (en) 2017-07-17 2017-07-17 A kind of chemical industry filtering tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710582769.2A CN107137966A (en) 2017-07-17 2017-07-17 A kind of chemical industry filtering tank

Publications (1)

Publication Number Publication Date
CN107137966A true CN107137966A (en) 2017-09-08

Family

ID=59776112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710582769.2A Pending CN107137966A (en) 2017-07-17 2017-07-17 A kind of chemical industry filtering tank

Country Status (1)

Country Link
CN (1) CN107137966A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011751A (en) * 2018-08-15 2018-12-18 连云港连香植物油厂 Edible oil filter plant
CN109261636A (en) * 2018-11-23 2019-01-25 江苏科林泰电子有限公司 A kind of wastewater treatment equipment of full-automatic silicon wafer cleaning machine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020008064A1 (en) * 2000-06-19 2002-01-24 Kei Hamamoto Solid substance removing device
CN202951332U (en) * 2012-11-23 2013-05-29 北京吉奥金禾农业发展有限公司 Sewage filter unit
CN203620331U (en) * 2013-12-19 2014-06-04 宜兴新威利成稀土有限公司 Pressure washing and filtering device for rare earth sediments
CN105058607A (en) * 2015-08-10 2015-11-18 浙江辉弘光电能源有限公司 Filtering tank for multi-wire cutting machine
CN204815905U (en) * 2015-07-27 2015-12-02 长江大学 Oil pipeline filter of T type buckle quick assembly disassembly filter core
CN205095510U (en) * 2015-09-25 2016-03-23 天津市欣跃涂料有限公司 Coating filtering device
CN205145712U (en) * 2015-11-15 2016-04-13 襄阳重科机械有限公司 Msw incineration waste liquid filter equipment
CN106823507A (en) * 2015-12-04 2017-06-13 重庆冯贵物资回收有限公司 A kind of environment protection sewage filter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020008064A1 (en) * 2000-06-19 2002-01-24 Kei Hamamoto Solid substance removing device
CN202951332U (en) * 2012-11-23 2013-05-29 北京吉奥金禾农业发展有限公司 Sewage filter unit
CN203620331U (en) * 2013-12-19 2014-06-04 宜兴新威利成稀土有限公司 Pressure washing and filtering device for rare earth sediments
CN204815905U (en) * 2015-07-27 2015-12-02 长江大学 Oil pipeline filter of T type buckle quick assembly disassembly filter core
CN105058607A (en) * 2015-08-10 2015-11-18 浙江辉弘光电能源有限公司 Filtering tank for multi-wire cutting machine
CN205095510U (en) * 2015-09-25 2016-03-23 天津市欣跃涂料有限公司 Coating filtering device
CN205145712U (en) * 2015-11-15 2016-04-13 襄阳重科机械有限公司 Msw incineration waste liquid filter equipment
CN106823507A (en) * 2015-12-04 2017-06-13 重庆冯贵物资回收有限公司 A kind of environment protection sewage filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011751A (en) * 2018-08-15 2018-12-18 连云港连香植物油厂 Edible oil filter plant
CN109261636A (en) * 2018-11-23 2019-01-25 江苏科林泰电子有限公司 A kind of wastewater treatment equipment of full-automatic silicon wafer cleaning machine

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Application publication date: 20170908

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