CN106237676B - A kind of Filtrate collection device and its filtrate collection method - Google Patents
A kind of Filtrate collection device and its filtrate collection method Download PDFInfo
- Publication number
- CN106237676B CN106237676B CN201610681961.2A CN201610681961A CN106237676B CN 106237676 B CN106237676 B CN 106237676B CN 201610681961 A CN201610681961 A CN 201610681961A CN 106237676 B CN106237676 B CN 106237676B
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- CN
- China
- Prior art keywords
- filtrate
- level
- water tank
- filter
- washing lotion
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
Abstract
The present invention provides a kind of Filtrate collection devices, it includes pressure filter, reaction kettle, return water storage cylinder, level-one cleans water tank and two level cleans water tank, the pressure filter is set to the top of level-one cleaning water tank, and form water flow circuits before with level-one cleaning water tank, the two level cleaning water tank is connected with pressure filter, the return water storage is connected with pressure filter and reaction kettle respectively with cylinder, and the reaction kettle is connected with pressure filter again.Compared with prior art, the present invention has following advantageous effect：1, the setting for cleaning the partition board that is staggered in water tank, controls the flow velocity of cleaning solution so that cleaning solution forms a certain concentration gradient in water tank, to clean filter cake successively；2, in filter process, cleaning solution recycles in system, is arranged outside no waste water, meets national requirements for environmental protection；3, by above-mentioned washing process, clean filter cake can be obtained.
Description
Technical field
The present invention relates to a kind of Filtrate collection device and its filtrate collection methods, belong to chemical equipment technical field.
Background technology
In Chemical Manufacture, slurry is mainly made of solid material and decentralized medium, is generally made by way of filtering solid
State material and decentralized medium separation are to get to filter cake and filtrate.But filter cake is obtained by filtration and usually contains small part filtrate, in order to protect
The pure of filter cake is demonstrate,proved, filter cake need to be washed with a certain amount of clear water, these cleaning solutions are directly discharged to be easy pollution in natural environment
Environment, and direct emission can make this small part can reuse filtrate be lost in, to cause the waste of raw material.It is above-mentioned in order to solve
Problem generally reduces the dosage of Natural Water using the method that cleaning solution recycles, but in practical operation, still remains filter
The problem of cake washing is not thorough enough, and filtrate is lost in.Currently, a kind of not yet more meet separation and collect the circulating water wash of demand
The Filtrate collection device of formula.
Invention content
Not thorough enough for filter cake in the prior art and filtrate separation, the big defect of washing filter cake water consumption is of the invention
Purpose is to provide a kind of Filtrate collection device.
The present invention is achieved by the following technical solutions：
In a first aspect, the present invention provides a kind of Filtrate collection devices comprising pressure filter, reaction kettle, return water storage with cylinder,
Level-one cleans water tank and two level and cleans water tank, and the pressure filter is set to the top of level-one cleaning water tank, and with level-one ejected wash water
At water flow circuits, the two level cleaning water tank is connected box-shaped with pressure filter, and forms water flow circuits, the return water with pressure filter
The water flow circuits of tandem are collectively formed in storage cylinder, pressure filter and reaction kettle.
Preferably, the level-one filtered water tank is identical with the structure of two level filtered water tank, is set including babinet and staggeredly
Several partition boards being placed in the babinet.
Preferably, the length of the partition board is the 80~99% of box width.
Preferably, the distance between adjacent two pieces of described partition boards are the 5~30% of babinet length.
Preferably, the partition board tilts down.
Second aspect, the present invention also provides a kind of filtrate collection method using Filtrate collection device above-mentioned, packets
Include following steps：
S1：Slurry in reaction kettle is squeezed into filter press, press filtration is carried out, obtains filter cake and original filtrate, and by the original
Beginning filtrate is collected in return water storage cylinder；
S2：Clear water is added into filter press, press filtration is carried out to the filter cake, obtains first time clear water washing lotion, and will be described
First time clear water wash pools are in return water storage cylinder；
S3：Clear water is added into filter press again, press filtration is carried out to filter cake, obtains second of clear water washing lotion, and will be described
Second of clear water wash pools is in level-one cleaning water tank；
S4：Clear water is added into filter press for third time, repeats the operation of S3, respectively obtains third time clear water washing lotion, the 4th
Secondary clear water washing lotion ... and n-th clear water washing lotion until obtain clean filter cake, and collects third time clear water washing lotion, the respectively
Four clear water washing lotions ... and n-th clear water washing lotion, in level-one cleaning water tank, cleaning to be formed in water tank in level-one has concentration
The recycling filtrate of gradient；
S5：Return water storage is squeezed into the mixed liquor of original filtrate and first time clear water washing lotion in cylinder in reaction kettle, is carried out
It recycles；
S6：The slurry in reaction kettle is squeezed into filter press again, repeats the operation of S1；
S7：The recycling filtrate that level-one is cleaned to bottommost in water tank is squeezed into filter press, after carrying out press filtration, is obtained for the first time
Filtrate washing lotion, and the first time filtrate wash pools are entered in return water storage cylinder；
S8：The recycling filtrate that level-one is cleaned to second bottom in water tank is squeezed into filter press, is carried out press filtration, is obtained second of filter
Liquid washing lotion, and second of the filtrate wash pools are entered in two level cleaning water tank；
S9：The higher recycling filtrate that level-one is cleaned in water tank is squeezed into filter press respectively, press filtration is carried out, respectively obtains
Third time filtrate washing lotion, the 4th filtrate washing lotion ... and n-th filtrate washing lotion, and third time filtrate washing lotion, the 4th are collected respectively
Secondary filtrate washing lotion ... and n-th filtrate washing lotion are in two level cleaning water tank；
S10：After the recycling filtrate that level-one is cleaned in water tank is all exhausted, the injected clear water into filter press carries out
Clear water washs.
Compared with prior art, the present invention has following advantageous effect：
1, the setting for cleaning the partition board that is staggered in water tank, controls the flow velocity of cleaning solution so that cleaning solution is in water tank
A certain concentration gradient is formed, to clean filter cake successively；
2, in filter process, cleaning solution recycles in system, is arranged outside no waste water, meets national requirements for environmental protection；
3, by above-mentioned washing process, clean filter cake can be obtained.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram of the Filtrate collection device of the present invention；
Fig. 2 is the structural schematic diagram that level-one cleans water tank in the present invention；
In figure：1, pressure filter, 21, level-one clean water tank, 22, two level clean water tank；3, return water storage cylinder, 4, reaction kettle,
5, it pumps, 6, regulating valve, 211, babinet；212, partition board；213, water inlet.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
The present invention provides a kind of Filtrate collection device, as depicted in figs. 1 and 2 comprising pressure filter 1, reaction kettle 4, return water
Storage clean water tank 21 and two level cleaning water tank 22 with cylinder 3, level-one, and pressure filter 1 is set to the top that level-one cleans water tank, and with one
Grade cleaning water tank 21 forms water flow circuits by regulating valve 5 and pump 6, and two level cleaning water tank 22 is connected with pressure filter 1, and with pressure
Filter forms water flow circuits by regulating valve 5 and pump 6, and tandem is collectively formed in return water storage cylinder 3, pressure filter 1 and reaction kettle 4
Water flow circuits.
Level-one filtered water tank 21 is identical with the structure of two level filtered water tank 22, by taking level-one cleans water tank 21 as an example, including babinet 211
Be staggered in several partition boards 212 in babinet 211, the top of babinet 211 is equipped with water inlet 213.
The length of partition board 212 can need to adjust according to specifically used, generally the 80~99% of 211 width of babinet.
The distance between adjacent two pieces of partition boards 212 can also be adjusted according to specifically used needs, and generally babinet 211 is grown
The 5~30% of degree.
In order to allow filtrate successfully to be flowed to bottom, partition board 212 can take the form tilted down.
In use, the first step：
1-1 squeezes into the slurries in reaction kettle 4 in filter press 1, carries out press filtration, obtains filter cake and original filtrate (concentration
C0)；
1-2 original filtrates enter return water storage cylinder 3 by regulating valve；
Clear water (such as 300kg) is added for the filter cake in filter press 1 in 1-3, carries out press filtration, obtains filtrate (concentration
C1-1)；
1-4 filtrate (concentration Cs1-1) return water storage cylinder 3 is directly entered by regulating valve 6；
1-5 squeezes into clear water (such as 300kg) into filter press 1 and carries out press filtration again, obtains filtrate (concentration C1-2)；
1-6 filtrate (concentration Cs1-2) by regulating valve 6 squeeze into level-one clean water tank 21；
1-7 squeezes into clear water (such as 300kg) into filter press 1 again；
1-8 repeats 1-5 and 1-6, respectively obtains a concentration of C1-3、C1-4、C1-5... filtrate, and beaten respectively by regulating valve
Enter level-one cleaning water tank 21, is cleaned in level-one and form the recycle-water with concentration gradient in water tank 21；Until obtaining clean filter
Cake；
1-9 recycles clean filter cake；
Return water storage is squeezed into reaction kettle 4 by 1-10 with the filtrate in cylinder 3, and recycling uses；
Second step adds new slurry into filter press：
2-1 repeats the above steps 1-1 and 1-2, obtains new filter cake and original filtrate, then wash to filter cake；
Level-one is cleaned the filtrate (concentration C in water tank 21 by 2-21-2) filter press 1 squeezed by regulating valve 6, after press filtration, obtain
To filtrate (concentration C2-1)；
2-3 filtrate (concentration Cs2-1) return water storage cylinder 3 entered by regulating valve；
2-4 repeats 2-2, and level-one is cleaned the filtrate (concentration C in water tank 211-3) filter press 1 squeezed by regulating valve, it presses
After filter, filtrate (concentration C is obtained2-2)；
2-5 filtrate (concentration Cs2-2) by regulating valve squeeze into two level clean water tank 22；
2-6 repeats above step, by C1-4、C1-5... filtrate squeeze into filter press 1 respectively, after press filtration, obtain filtrate
(C2-3、C2-4、...)；
After filtrate in 2-7 level-ones cleaning water tank 21 has been beaten, a clear water (such as 300kg) is injected into filter press 1, it is right
Filter cake is washed；
Filtrate (the concentration C obtained after 2-8 washings2-n) squeeze into two level cleaning water tank 22, filtrate (C2-2、C2-3...) respectively
Two level is squeezed by regulating valve and cleans water tank 22, is cleaned in two level and is formed the recycle-water with concentration gradient in water tank 22；Until
Obtain clean filter cake；
2-9 recycles clean filter cake；
Return water storage is squeezed into reaction kettle 4 with the filtrate obtained in cylinder 3.
Compared with prior art, the present invention has following advantageous effect：
1, the setting for cleaning the partition board that is staggered in water tank, controls the flow velocity of cleaning solution so that cleaning solution is in water tank
A certain concentration gradient is formed, to clean filter cake successively；
2, in filter process, cleaning solution recycles in system, is arranged outside no waste water, meets national requirements for environmental protection；
3, by above-mentioned washing process, clean filter cake can be obtained.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (3)
1. a kind of Filtrate collection device, which is characterized in that including pressure filter, reaction kettle, return water storage cylinder, level-one clean water tank and
Two level cleans water tank, and the pressure filter is set to the top of level-one cleaning water tank, and with level-one cleaning water tank shaped at water flow circuits,
Two level cleaning water tank is connected with pressure filter, and forms water flow circuits with pressure filter, the return water storage cylinder, pressure filter and
The water flow circuits of tandem are collectively formed in reaction kettle；
The level-one filtered water tank is identical with the structure of two level filtered water tank, if including babinet and being staggered in the babinet
Dry partition board；
The length of the partition board is the 80~99% of box width；
The distance between adjacent two pieces of described partition boards are the 5~30% of babinet length.
2. Filtrate collection device as described in claim 1, which is characterized in that the partition board tilts down.
3. a kind of filtrate collection method using the Filtrate collection device described in claims 1 or 22, which is characterized in that including such as
Lower step：
S1：Slurry in reaction kettle is squeezed into filter press, press filtration is carried out, obtains filter cake and original filtrate, and by the original filter
Liquid is collected in return water storage cylinder；
S2：Clear water is added into filter press, press filtration is carried out to the filter cake, obtains first time clear water washing lotion, and by described first
Secondary clear water wash pools are in return water storage cylinder；
S3：Clear water is added into filter press again, press filtration is carried out to filter cake, obtains second of clear water washing lotion, and by described second
Secondary clear water wash pools are in level-one cleaning water tank；
S4：Third time is added clear water into filter press, repeats the operation of S3, respectively obtain third time clear water washing lotion, the 4th time it is clear
Water lotion ... and n-th clear water washing lotion, until obtain clean filter cake, and collect respectively third time clear water washing lotion, the 4th time
Clear water washing lotion ... and n-th clear water washing lotion, in level-one cleaning water tank, cleaning to be formed in water tank in level-one has concentration gradient
Recycling filtrate；
S5：Return water storage is squeezed into the mixed liquor of original filtrate and first time clear water washing lotion in cylinder in reaction kettle, is recycled
It utilizes；
S6：The slurry in reaction kettle is squeezed into filter press again, repeats the operation of S1；
S7：The recycling filtrate that level-one is cleaned to bottommost in water tank is squeezed into filter press, after carrying out press filtration, obtains first time filtrate
Washing lotion, and the first time filtrate wash pools are entered in return water storage cylinder；
S8：The recycling filtrate that level-one is cleaned to second bottom in water tank is squeezed into filter press, is carried out press filtration, is obtained second of filtrate and wash
Liquid, and second of the filtrate wash pools are entered in two level cleaning water tank；
S9：The higher recycling filtrate that level-one is cleaned in water tank is squeezed into filter press respectively, press filtration is carried out, respectively obtains third
Secondary filtrate washing lotion, the 4th filtrate washing lotion ... and n-th filtrate washing lotion, and third time filtrate washing lotion, the 4th filter are collected respectively
Liquid washing lotion ... and n-th filtrate washing lotion are in two level cleaning water tank；
S10：After the recycling filtrate that level-one is cleaned in water tank is all exhausted, the injected clear water into filter press carries out clear water
Washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681961.2A CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681961.2A CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
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| CN106237676A CN106237676A (en) | 2016-12-21 |
| CN106237676B true CN106237676B (en) | 2018-09-25 |
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| CN201610681961.2A Active CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111348688B (en) * | 2018-12-24 | 2023-11-21 | 格林美（江苏）钴业股份有限公司 | Device and process for post-treatment of cobaltosic oxide synthetic material |
| CN111514627A (en) * | 2020-04-10 | 2020-08-11 | 青海盐湖工业股份有限公司 | Cleaning device and cleaning method for cleaning filter cake of filter press |
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| CN203469575U (en) * | 2013-09-02 | 2014-03-12 | 浙江天能电源材料有限公司 | Filter pressing system of desulfurizing solution in storage battery recovering line |
| CN204910961U (en) * | 2015-04-27 | 2015-12-30 | 武汉国力通能源环保有限公司 | Belt vacuum filter production process systems of medicament is retrieved in water conservation |
| CN206081794U (en) * | 2016-08-17 | 2017-04-12 | 西能化工科技(上海)有限公司 | Filtrate collecting device |
-
2016
- 2016-08-17 CN CN201610681961.2A patent/CN106237676B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186804A (en) * | 2000-12-20 | 2002-07-02 | Daicel Chem Ind Ltd | Filter press and operation method therefor |
| CN101629238A (en) * | 2009-07-30 | 2010-01-20 | 浙江华友钴业股份有限公司 | Residue washing method in cobalt hydrometallurgy industry |
| CN202376824U (en) * | 2011-12-27 | 2012-08-15 | 通化双龙化工股份有限公司 | Device for recycling white carbon black filter cake washed water |
| CN102527116A (en) * | 2012-01-11 | 2012-07-04 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
| CN102872621A (en) * | 2012-10-29 | 2013-01-16 | 无锡恒诚硅业有限公司 | Press filtering washing water recycling and utilizing system for producing white carbon black |
| CN203469575U (en) * | 2013-09-02 | 2014-03-12 | 浙江天能电源材料有限公司 | Filter pressing system of desulfurizing solution in storage battery recovering line |
| CN204910961U (en) * | 2015-04-27 | 2015-12-30 | 武汉国力通能源环保有限公司 | Belt vacuum filter production process systems of medicament is retrieved in water conservation |
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| CN106237676A (en) | 2016-12-21 |
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Inventor after: Sun Weixian Inventor after: Zhang Zhihao Inventor after: Liu Feng Inventor after: Shen Jiancheng Inventor after: Zhang Mingming Inventor after: Wang Jingwen Inventor after: Cao Jun Inventor before: Sun Weixian Inventor before: Liu Feng Inventor before: Shen Jiancheng Inventor before: Zhang Mingming Inventor before: Wang Jingwen Inventor before: Cao Jun |
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Effective date of registration: 20230412 Address after: 201315, 8th Floor, Building 29, No. 2555 Xiupu Road, Pudong New Area, Shanghai Patentee after: Fast thinking technology (Shanghai) Co.,Ltd. Address before: Room 8139, Building 8, No. 180, Lane 850, Xinsong Road, Minhang District, Shanghai, 201100 Patentee before: NANOSPHERE (SHANGHAI) Co.,Ltd. |
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Denomination of invention: A filtrate collection device and its filtrate collection method Effective date of registration: 20230511 Granted publication date: 20180925 Pledgee: Industrial Bank Co.,Ltd. Shanghai Lujiazui sub branch Pledgor: Fast thinking technology (Shanghai) Co.,Ltd.|NANOSPHERE (SHANGHAI) Co.,Ltd. Registration number: Y2023310000181 |
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