CN105903262B - A kind of gas-solid-liquid three-phase airtight separation device and its method of separation - Google Patents
A kind of gas-solid-liquid three-phase airtight separation device and its method of separation Download PDFInfo
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- CN105903262B CN105903262B CN201610389031.XA CN201610389031A CN105903262B CN 105903262 B CN105903262 B CN 105903262B CN 201610389031 A CN201610389031 A CN 201610389031A CN 105903262 B CN105903262 B CN 105903262B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
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Abstract
The present invention relates to environmental technology fields, disclose gas-solid-liquid three-phase airtight separation device, including tilting-pan vacuum filter (1) and the immersion sealing device (2) being located above tilting-pan vacuum filter (1), immersion sealing device (2) and the external disk of tilting-pan vacuum filter (1) are tightly connected, and confined space is formed between immersion sealing device (2) and tilting-pan vacuum filter (1)；Further include vacuum pump (3), the lower section of tilting-pan vacuum filter (1) is equipped with the vacuum drain pump (4) being connect with vacuum pump (3), cooling bay (9) is further included, cooling bay (9) is connect with discharging back-blowing device (10).Present invention reduces the outer discharge capacity of gas phase, and improve the recycling rate of waterused of gas phase；Confined space is sealed by sealing fluid, facilitates the maintenance and maintenance of tilting-pan vacuum filter, and this technology reaches without outer exhaust phase or minimum gas treatment amount, continuous closed operation process, reduces the influence to environment.
Description
Technical field
The present invention relates to environmental technology field more particularly to the sides of a kind of gas-solid-liquid three-phase airtight separation device and its separation
Method.
Background technology
With the enhancing of environmental consciousness, there is stringent limitation to being arranged outside poisonous and hazardous gas-liquid solid matter, production enterprise
Industry is typically just to be focused on after production process, to meet environmental requirement.But due to production in cellular manufacture link
The limitation of equipment technology, severe operational environment, operating personnel need wear protective gear that could carry out production operation.Thus realize envelope
Operation process is closed to be of great significance to the production of poisonous and hazardous gas-liquid solid matter.
Batch production technique each operation cycle usually requires operating personnel's intervention, such as flame filter press completes separation
Afterwards, filter plate slag dumping is unclamped, labor intensity is big, and operating environment is bad, thus poisonous and harmful substance solid-liquor separation should the company of selection as possible
Continuous formula production technology, to reduce operating personnel's intervention.In production technology, solid-liquor separation operating unit is typically that motivation tool is set
Standby, relatively reaction, evaporation element static equipment are less susceptible to seal.It is widely applied industry liquid-solid separation equipment by power can be divided into from
The heart, pressurization and vacuum separation, wherein centrifuging more demanding to material applicability, and the accuracy of manufacture, maintenance cost are high；Pressurization
Separation sealing is difficult, easily leaks；Vacuum separation filter cake contains wet higher, negative pressure leakage easy to control.Comparatively speaking poisonous and harmful substance
Solid-liquor separation selection continuous vacuum separating technology mode is more reasonable.
Poisonous and harmful substance solid-liquor separation is solved the problems, such as using continuous vacuum separating technology, it is still necessary to solve several technologies to ask
Topic.For the continuous vacuum filtering technique unit of current production application, discharge toxic and harmful gas includes：Power vacuum pumps
The volatility that filter cake generates after volatility toxic and harmful gas that the gas of discharge, slurry generate when adding in and separation is poisonous and harmful
Gas.Gas treatment flow reaches 120~140m if environmental requirement is considered3(0.16MPa absolute pressures)/h*m2(filter area), rule
The lower conventional single device filter area of modelling production reaches 160m2, then 30720~35840m of processing is needed3(normal pressure)/h, treating capacity
Huge Environmental Inputs financing requirement is high.One kind is thus needed for poisonous and harmful substance solid-liquor separation technique, to reach without outer row
Gas phase or minimum gas treatment amount, continuous closed operation process.
Invention content
The present invention in the prior art the shortcomings that, provide it is a kind of for the separation of poisonous and harmful substance gas-solid-liquid, to reach
To the method for the gas-solid-liquid three-phase airtight separation device and its separation of no efflux gas or minimum efflux gas treating capacity.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Gas-solid-liquid three-phase airtight separation device, including tilting-pan vacuum filter and the leaching being located above tilting-pan vacuum filter
Enter formula sealing device, the external disk of immersion sealing device and tilting-pan vacuum filter is tightly connected, and immersion sealing device and is turned over
Confined space is formed between disk vacuum filter；Vacuum pump is further included, the lower section of tilting-pan vacuum filter is equipped with to be connected with vacuum pump
The vacuum drain pump connect.The confined air of filter operation minimum is realized in the cooperation of tilting-pan vacuum filter and immersion sealing device
Between, when slurry is added in tilting-pan vacuum filter confined space, gas phase is sealed in immersion sealing device, by solid liquid phase
Gentle phase separation reduces the outer row of gas phase.
Tilting-pan vacuum filter is equipped with the external disk coordinated with tilting-pan vacuum filter, is equipped with sealing fluid in external disk, immerses
The lower end cooperation of formula sealing device is immersed in sealing fluid to be connect with external disk.Between tilting-pan vacuum filter and immersion sealing device
The confined space of formation is sealed by sealing fluid, facilitates the maintenance and maintenance of tilting-pan vacuum filter.
Preferably, being additionally provided with the dirt-excluding bucket being connect with tilting-pan vacuum filter below tilting-pan vacuum filter, slag tap
The lower section of bucket is equipped with the solid phase storage tank being connect with dirt-excluding bucket.Solid phase storage tank is located at the lower section of dirt-excluding bucket, and filter cake is facilitated timely to arrange
Go out, avoid the filter cake blocking channel containing liquid phase, ensure that the continuity of tilting-pan vacuum filter work, solid phase storage tank and dirt-excluding bucket
It is tightly connected.
Preferably, vacuum drain pump is equipped with the filtrate pump that connect with vacuum drain pump, one end of filtrate pump equipped with
The liquid phase storage tank of filtrate pump connection.The liquid phase of slurry is drawn into vacuum drain pump under negative pressure of vacuum, then is pumped by filtrate pump
It send to liquid phase storage tank, ensures the continuity of liquid phase discharge, and ensure that the seal of the present apparatus.
Preferably, further including the cooling bay being connect with vacuum pump, cooling bay is equipped with air outlet, tilting-pan vacuum filter
The discharging back-blowing device being connect with air outlet is equipped in the confined space formed with immersion sealing device, is additionally provided on cooling bay
The inlet and outlet of cooling water.Vacuum pump is used to extract the liquid phase in vacuum drain pump, and gas phase is avoided to pass through liquid phase with liquid phase
Storage tank is discharged, and the gas phase of vacuum pumped enters cooling bay and cooled down, and gas phase after cooling is delivered to discharging by air outlet
In back-blowing device, for the discharging blowback air of tilting-pan vacuum filter, while returned in sealing space by filter disc and be used as filtering
The extraction gas of negative pressure by vacuum pump circulation temperature lowering gas phase, reduces the outer discharge capacity of gas phase, and improves the recycling of gas phase
Rate.
Preferably, immersion sealing device is equipped with the gas-treatment means being connect with immersion sealing device, immerse
Formula sealing device is connected with gas-treatment means by regulating fan.When the gas phase in device increases, in order to ensure in device
The stability of air pressure is extracted after a small amount of gas phase is handled by gas-treatment means by regulating fan and discharged, reduced to environment
Pollution；Regulating fan is also used for extracting the state for being in tiny structure in tolerance guarantee confined space, ensures in confined space
Seal.
A kind of method of gas-solid-liquid separation, including above-described gas-solid-liquid three-phase separating device, further includes following gas-solid
The separating step of liquid：
Step 1, regulating fan and vacuum drain pump are opened, the air pressure of confined space is adjusted by regulating fan, is made closed
Air pressure in space is in negative pressure state, and the air pressure in confined space closes regulating fan higher than the air pressure in vacuum drain pump；
Step 2, slurry is added to by slurry injection device on the filter disc of tilting-pan vacuum filter, the gas phase of slurry is stayed
In confined space；
Step 3, the liquid phase of slurry flows to vacuum drain pump by the filter disc of tilting-pan vacuum filter under the influence of air pressure
In, vacuum pump is opened, extracts the gas phase in vacuum drain pump, by gaseous phase extraction to cooling bay, cooling is injected in cooling bay
Water, gas phase after cooling are entered by the air outlet of cooling bay in discharging back-blowing device；
Step 4, filtrate pump is opened, the liquid phase in vacuum drain pump is pumped to liquid phase storage tank by filtrate pump；
Step 5, gas phase blows to the filter cake on filter disc, and tilting-pan vacuum filter carries out discharging to filter cake, filter cake is imported into
Filter cake is delivered to solid phase storage tank by dirt-excluding bucket, dirt-excluding bucket；
Preferably, further including step 6, when the air pressure in confined space rises, regulating fan is opened, extracts confined air out
Between gas phase, and gas phase is sent to gas-treatment means, gas phase is discharged after gas-treatment means are handled.
Preferably, cooling water enters from the import of cooling bay, flowed out from the outlet of cooling bay.
The present invention has significant technique effect as a result of above technical scheme：Pass through vacuum pump cycle down wet
Phase, reduces the outer discharge capacity of gas phase, and improves the recycling rate of waterused of gas phase；Tilting-pan vacuum filter and immersion sealing device it
Between the confined space that is formed sealed by sealing fluid, facilitate the maintenance and maintenance of tilting-pan vacuum filter, filter cake is timely discharged,
The filter cake blocking channel containing liquid phase is avoided, and filter cake is closed collection, liquid phase is pumped to liquid phase storage tank by filtrate pump, ensure that
The closed collection of liquid phase, the present apparatus are detached for gas-liquid-solid, have been reached without outer exhaust phase or minimum gas treatment amount, continuous full envelope
Operation process is closed, reduces the influence to environment, reduces the labor intensity of staff, improves the operation ring of staff
Border.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of the present invention.
The toponym that each number designation is referred in attached drawing is as follows：1-tilting-pan vacuum filter, the sealing of 2-immersion
Device, 3-vacuum pump, 4-vacuum drain pump, 5-dirt-excluding bucket, 6-solid phase storage tank, 7-filtrate pump, 8-liquid phase storage tank, 9-
Cooling bay, 10-discharging back-blowing device, 11-import, 12-outlet, 13-gas-treatment means, 14-regulating fan, 15-
Slurry injection device, 16-sealing fluid injection device, 17-external disk, 18-drain air inlet.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of gas-solid-liquid three-phase airtight separation device and its method of separation, as shown in Figure 1 and Figure 2, including the vacuum mistake that turns over
Filter 1 and the immersion sealing device 2 for being located at 1 top of tilting-pan vacuum filter, immersion sealing device 2 and the vacuum filter that turns over
The external disk of machine 1 is tightly connected, and the filter disc and immersion sealing device 2 of tilting-pan vacuum filter 1 are circle, and immersion sealing fills
It puts and forms confined space between 2 and tilting-pan vacuum filter 1；Vacuum pump 3 is further included, the lower section of tilting-pan vacuum filter 1 is equipped with
The vacuum drain pump 4 being connect with vacuum pump 3, immersion sealing device 2 are equipped with slurry injection device 15, tilting-pan vacuum filter
1 is equipped with the external disk 17 coordinated with tilting-pan vacuum filter 1, and sealing fluid, the lower end of immersion sealing device 2 are equipped in external disk 17
Cooperation is immersed in sealing fluid to be connect with external disk 17, and the side of external disk 17 is equipped with sealing fluid injection device 16, tilting-pan vacuum filter 1
Lower section be additionally provided with the dirt-excluding bucket 5 being connect with tilting-pan vacuum filter 1, the lower section of dirt-excluding bucket 5 is equipped with to be consolidated with what dirt-excluding bucket 5 was connect
Phase storage tank 6, solid phase storage tank 6 are tightly connected with dirt-excluding bucket 5, be ensure that the sealing of solid phase is collected, are prevented the outflow of gas phase.
Vacuum drain pump 4 is equipped with the filtrate pump 7 being connect with vacuum drain pump 4, between filtrate pump 7 and vacuum drain pump 4
Equipped with check valve, one end of filtrate pump 7 is equipped with the liquid phase storage tank 8 being connect with filtrate pump 7, and liquid phase is pumped to liquid by filtrate pump 7
Phase storage tank 8, ensure that the closed collection of liquid phase, and vacuum drain pump 4 is equipped with drain air inlet 18, drain air inlet 18 and vacuum
Check valve is equipped between drain pump 4, the setting of drain air inlet 18 facilitates vacuum pump 3 to extract gas phase out of vacuum drain pump 4, protects
The balance of air pressure is demonstrate,proved, further includes the cooling bay 9 being connect with vacuum pump 3, cooling bay 9 is equipped with air outlet, tilting-pan vacuum filter 1
The discharging back-blowing device 10 being connect with air outlet is equipped in the confined space formed with immersion sealing device 2, gas phase passes through true
The circulating cooling of sky pump 3 and cooling bay 9 reduces the outer discharge capacity of gas phase, improves the recycling rate of waterused of gas phase, is gone back on cooling bay 9
Import 11 and outlet 12 equipped with cooling water, immersion sealing device 2 are equipped at the gas phase being connect with immersion sealing device 2
Device 13 is managed, immersion sealing device 2 and gas-treatment means 13 are connected by regulating fan 14, and regulating fan 14 is used to adjust
Air pressure in confined space ensures that the air pressure in sealing space is in the state of tiny structure always, improves the close of confined space
Closing property, gas-treatment means 13 are used to handle the gas phase of the extraction of regulating fan 14, the gas phase of discharge are avoided to pollute the environment.
Including above-described gas-solid-liquid three-phase separating device, the separating step of following gas-solid-liquid is further included：
Step 1, regulating fan and vacuum drain pump 4 are opened, the air pressure of confined space is adjusted by regulating fan 14, is made close
The air pressure closed in space is in negative pressure state, and the air pressure in confined space closes pressure regulation wind higher than the air pressure in vacuum drain pump 4
Machine 14；
Step 2, slurry is added to by slurry injection device 15 on the filter disc of tilting-pan vacuum filter 1, the gas of slurry
Mutually stay in confined space；
Step 3, the liquid phase of slurry flows to vacuum drain pump by the filter disc of tilting-pan vacuum filter 1 under the influence of air pressure
In 4, vacuum pump 3 is opened, the gas phase in vacuum drain pump 4 is extracted, by gaseous phase extraction to cooling bay 9, is injected in cooling bay 9
Cooling water, gas phase after cooling are entered by the air outlet of cooling bay 9 in discharging back-blowing device 10；
Step 4, filtrate pump 7 is opened, the liquid phase in vacuum drain pump 4 is pumped to liquid phase storage tank 8 by filtrate pump 7；
Step 5, gas phase blows to the filter cake on filter disc, and tilting-pan vacuum filter 1 carries out discharging to filter cake, filter cake is imported into
Filter cake is delivered to solid phase storage tank 6 by dirt-excluding bucket 5, dirt-excluding bucket 5；Step 6 is further included, when the air pressure in confined space rises, is opened
Regulating fan 14 is opened, extracts the gas phase of confined space out, and gas phase is sent to gas-treatment means 13, gas phase is through gas-treatment means
It is discharged after 13 processing, air pressure is steady in guarantee device, it is ensured that the normal operation of device filtering；Cooling water from cooling bay 9 into
Mouth 11 enters, and is flowed out from the outlet of cooling bay 9 12, is deposited by the circulating cooling use of gas phase and liquid phase and the closed of solid phase
Storage realizes that completion of the slurry in totally enclosed space is filtered, reduces the outer row of gas phase, successional mistake is realized by the present apparatus
Work is filtered, reduces the intervention of staff, improves the operating environment of staff.
In short, the foregoing is merely presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent
Variation and modification should all belong to the covering scope of patent of the present invention.
Claims (8)
1. gas-solid-liquid three-phase airtight separation device, it is characterised in that：Including tilting-pan vacuum filter (1) and it is located at the vacuum mistake that turns over
Immersion sealing device (2) above filter (1), immersion sealing device (2) are tightly connected with tilting-pan vacuum filter (1),
Confined space is formed between immersion sealing device (2) and tilting-pan vacuum filter (1)；Vacuum pump (3) is further included, turn over vacuum
The lower section of filter (1) is equipped with the vacuum drain pump (4) being connect with vacuum pump (3), and immersion sealing device (2) is equipped with slurry
Injection device (15) further includes the cooling bay (9) being connect with vacuum pump (3), and cooling bay (9) is equipped with air outlet, and turn over vacuum
The discharging back-blowing device being connect with air outlet is equipped in the confined space that filter (1) is formed with immersion sealing device (2)
(10), the import (11) of cooling water and outlet (12) are additionally provided on cooling bay (9), tilting-pan vacuum filter (1) is equipped with turning over
The external disk (17) of disk vacuum filter (1) cooperation, the side of external disk (17) are equipped with sealing fluid injection device (16).
2. gas-solid-liquid three-phase airtight separation device according to claim 1, it is characterised in that：Sealing is equipped in external disk (17)
Liquid, the lower end cooperation of immersion sealing device (2) is immersed in sealing fluid to be connect with external disk (17).
3. gas-solid-liquid three-phase airtight separation device according to claim 1, it is characterised in that：Tilting-pan vacuum filter (1)
Lower section be additionally provided with the dirt-excluding bucket (5) being connect with tilting-pan vacuum filter (1), the lower section of dirt-excluding bucket (5) is equipped with and dirt-excluding bucket (5)
The solid phase storage tank (6) of connection.
4. gas-solid-liquid three-phase airtight separation device according to claim 1, it is characterised in that：Vacuum drain pump is set on (4)
There are the filtrate pump (7) being connect with vacuum drain pump (40) and drain air inlet (18), one end of filtrate pump (7) is equipped with and filtrate pump
(7) the liquid phase storage tank (8) of connection.
5. gas-solid-liquid three-phase airtight separation device according to claim 1, it is characterised in that：Immersion sealing device (2)
It is equipped with the gas-treatment means (13) being connect with immersion sealing device (2), immersion sealing device (2) and gas phase treatment dress
(13) are put to connect by regulating fan (14).
A kind of 6. method of gas-solid-liquid separation, it is characterised in that：Including gas-solid-liquid three-phase described in any one of claim 1 to 5
Airtight separation device further includes the separating step of following gas-solid-liquid：
Step 1, regulating fan (14) and vacuum drain pump (4) are opened, the air pressure of confined space is adjusted by regulating fan (14),
The air pressure in confined space is made to be in negative pressure state, the air pressure in confined space is closed higher than the air pressure in vacuum drain pump (4)
Regulating fan (14)；
Step 2, slurry is added to by slurry injection device (15) on the filter disc of tilting-pan vacuum filter (1), the gas of slurry
Mutually stay in confined space；
Step 3, the liquid phase of slurry flows to vacuum drain pump by the filter disc of tilting-pan vacuum filter (1) under the influence of air pressure
(4) in, vacuum pump (3) is opened, the gas phase in vacuum drain pump (4) is extracted, by gaseous phase extraction to cooling bay (9), is cooling down
Injection cooling water in pond (9), gas phase after cooling are entered by the air outlet of cooling bay (9) in discharging back-blowing device (10)；
Step 4, filtrate pump (7) is opened, the liquid phase in vacuum drain pump (4) is pumped to liquid phase storage tank (8) by filtrate pump (7)；
Step 5, gas phase blows to the filter cake on filter disc, and tilting-pan vacuum filter (1) carries out discharging to filter cake, filter cake is imported into out
Filter cake is delivered to solid phase storage tank (6) by slag bucket (5), dirt-excluding bucket (5).
7. a kind of method of gas-solid-liquid separation according to claim 6, it is characterised in that：Step 6 is further included, works as confined air
When interior air pressure rises, regulating fan (14) is opened, extracts the gas phase of confined space out, and gas phase is sent to gas-treatment means
(13), gas phase is discharged after gas-treatment means (13) processing.
8. a kind of method of gas-solid-liquid separation according to claim 6, it is characterised in that：Cooling water is from cooling bay (9)
Import (11) enters, and is flowed out from the outlet of cooling bay (9) (12).
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| CN201610389031.XA CN105903262B (en) | 2016-06-03 | 2016-06-03 | A kind of gas-solid-liquid three-phase airtight separation device and its method of separation |
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| CN201610389031.XA CN105903262B (en) | 2016-06-03 | 2016-06-03 | A kind of gas-solid-liquid three-phase airtight separation device and its method of separation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362464A (en) * | 2016-10-26 | 2017-02-01 | 攀枝花青杠坪矿业有限公司 | Filtering machine discharging production line and iron ore concentrate powder drying production line |
| CN106509971B (en) * | 2017-01-20 | 2018-04-17 | 中国烟草总公司郑州烟草研究院 | A kind of device and pipe tobacco cooling means for being suitable for pipe tobacco cooling curve test after drying |
| CN107052037B (en) * | 2017-06-23 | 2020-11-13 | 江苏盖亚环境科技股份有限公司 | Vapor extraction three-phase separation module |
| CN111714952A (en) * | 2019-03-22 | 2020-09-29 | 杭州化工机械有限公司 | Explosion-proof continuous vacuum solid-liquid separation washing process |
| CN115724440A (en) * | 2022-11-14 | 2023-03-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for solid-liquid separation and ammonia recovery of ammonia-containing leaching slurry |
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| CN202555057U (en) * | 2012-05-09 | 2012-11-28 | 杭州化工机械有限公司 | Overall water seal isolation structure of disk filter |
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| PT2010456E (en) * | 2006-03-31 | 2012-01-10 | Potable Water Systems Ltd | Process and apparatus for sewage water purification |
| CN205760112U (en) * | 2016-06-03 | 2016-12-07 | 杭州化工机械有限公司 | Gas-solid-liquid three-phase airtight separation device |
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| JPH1133361A (en) * | 1997-07-18 | 1999-02-09 | Toshiba Ceramics Co Ltd | Process for treating liquid containing fine particle and equipment thereof |
| CN201150816Y (en) * | 2008-01-11 | 2008-11-19 | 核工业烟台同兴实业有限公司 | Vacuum filter intelligent balance liquor drainage system |
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