CN112340256A - Magnesium hydroxide slurry supply device and application thereof - Google Patents

Magnesium hydroxide slurry supply device and application thereof Download PDF

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Publication number
CN112340256A
CN112340256A CN202011345735.XA CN202011345735A CN112340256A CN 112340256 A CN112340256 A CN 112340256A CN 202011345735 A CN202011345735 A CN 202011345735A CN 112340256 A CN112340256 A CN 112340256A
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CN
China
Prior art keywords
slurry
storage tank
magnesium hydroxide
pipeline
slurry supply
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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.)
Pending
Application number
CN202011345735.XA
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Chinese (zh)
Inventor
李克青
朱益民
唐晓佳
刘伟凤
闯恒超
杜钟原
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Dalian Maritime University
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Dalian Maritime University
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Publication date
Application filed by Dalian Maritime University filed Critical Dalian Maritime University
Priority to CN202011345735.XA priority Critical patent/CN112340256A/en
Publication of CN112340256A publication Critical patent/CN112340256A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/54Large containers characterised by means facilitating filling or emptying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/53Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80Forming a predetermined ratio of the substances to be mixed
    • B01F35/83Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • B01F35/833Flow control by valves, e.g. opening intermittently
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/74Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B65D88/744Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a magnesium hydroxide slurry supply device and application thereof, and the device comprises a storage tank, wherein a discharge valve penetrates through the side wall of the storage tank, the discharge valve is connected with a desulfurization tower slurry pool through a guide pipe, a feed pump is arranged on the discharge valve, one end of a loop pipeline is connected to the guide pipe through a first type connector, the other end of the loop pipeline is connected with the storage tank, and a flow regulating valve is arranged on the guide pipe between the desulfurization tower slurry pool and the first type connector, so that a part of slurry can flow into the storage tank again along with the loop pipeline under the action of the flow regulating valve, and the slurry is kept circulating in the pipeline all the time, and is prevented from being deposited in the pipeline; the conventional stirring and dispersing device is not needed, the slurry in the storage tank is disturbed by the backflow slurry, and the slurry in the tank body is prevented from being deposited; the stable and reliable supply of the magnesium hydroxide slurry is realized.

Description

Magnesium hydroxide slurry supply device and application thereof
Technical Field
The invention relates to the technical field of slurry supply, in particular to a magnesium hydroxide slurry supply device and application thereof.
Background
The magnesium flue gas desulfurization process is being regarded by people and gradually developed into the mainstream flue gas desulfurization technology. The desulfurizer is usually magnesium oxide or magnesium hydroxide powder, water is added to prepare slurry before use, the operation process is complicated, dust pollution often exists in the use field, and the health of workers is affected. In order to reduce the operation links and facilitate the feeding of the desulfurizer, the magnesium hydroxide is expected to be in a slurry form so as to facilitate the long-term storage, transportation and pumping of the magnesium hydroxide. The desulfurizing agent for magnesium hydroxide slurry is a novel product, and if a user is not familiar with the characteristics of slurry and unique handling characteristics, improper procedures may cause unnecessary troubles. Slurries are suspensions of fine solids that can result in plugging and solids accumulation problems due to poor mixing, improper piping and/or improper pump selection.
Disclosure of Invention
The present invention is directed to a magnesium hydroxide slurry supply device and an application thereof to solve the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a magnesium hydrate thick liquids feeding device, includes the storage tank, the lateral wall of storage tank runs through and is equipped with the bleeder valve, the bleeder valve has desulfurizing tower thick liquids pond through pipe connection, be equipped with the feed pump on the bleeder valve, be connected with the one end of return circuit pipeline through first type connector on the pipe, the other end of return circuit pipeline with the storage tank is connected, correspond on the pipe desulfurizing tower thick liquids pond with be equipped with flow control valve between the first type connector.
Preferably, the loop pipeline is positioned on the side wall of the storage tank corresponding to the lower end of the discharge valve.
Preferably, the lower end of the inner surface of the storage tank is fixedly connected with a flexible disturbance belt.
Preferably, the device also comprises a flushing pipeline, a flushing water pump is arranged on the flushing pipeline, a cooling nozzle penetrates through the upper side wall of the storage tank, and the flushing pipeline is connected with the cooling nozzle pipe.
Preferably, a second T-shaped connector is arranged on the catheter, and the flushing pipeline is connected with the second T-shaped connector respectively.
Preferably, the flushing pipeline inlets are generally two, and are respectively arranged before the feeding pump and after the feeding pump, so that when the system stops running for a long time, the feeding pump and the slurry in the pipeline are flushed clean, and the slurry is prevented from depositing in the pipeline and the feeding pump.
Preferably, the flexible disturbance zone is provided with a plurality of openings, the diameter of each opening is determined according to the backflow flow, and the flow speed of the backflow slurry flowing through each opening is preferably more than 1 m/s.
Preferably, the openings arranged on the flexible disturbance band are distributed in a downward cross mode and are used for flushing and disturbing deposited slurry at the bottom of the tank so as to prevent hard sedimentation.
Preferably, the feed pump type is one of a diaphragm pump, a slurry pump or a screw pump.
Another aspect of the present invention provides a use of the magnesium hydroxide slurry supply apparatus, comprising:
firstly, incoming materials enter a storage tank through a feeding hole on the storage tank to be stored for later use;
secondly, when the system runs, a discharge valve and a feed pump are opened, the flow is regulated and controlled by controlling a flow regulating valve, redundant slurry flows back to the tank bottom flexible disturbance pipe belt through a first T-shaped connector, the pipe belt fluctuation is caused when the backflow slurry flows in the tank bottom flexible disturbance pipe belt, and the effect of preventing the sedimentation of the disturbance slurry is achieved;
thirdly, keeping the flow velocity of the slurry in the pipeline not higher than 5m/s during operation; more preferably the speed is 2 m/s;
and fourthly, when the magnesium hydroxide slurry supply device is stopped, starting a washing water pump to wash the slurry inside the pipeline to prevent the slurry from depositing in the pipeline.
Preferably, in the technical solution of the application of the above magnesium hydroxide slurry supply device, the magnesium hydroxide slurry supply device is further connected to a desulfurization tower, and the desulfurization tower is provided with a slurry pool; and the flow regulation and control step is to regulate and control the flow of the magnesium hydroxide slurry supply device flowing into the slurry pool of the desulfurization tower.
Preferably, in the technical scheme of the application of the magnesium hydroxide slurry supply device, when the ambient temperature is higher than 40 ℃, the rinse water pump is periodically started, and the slurry in the storage tank is cooled through the cooling nozzle and the evaporation loss water is replenished.
Compared with the prior art, the invention has the beneficial effects that: a magnesium hydroxide slurry supply device is provided with a loop pipeline and a flow regulating valve on the pipeline, so that a part of slurry can flow into a storage tank again along with the loop pipeline under the action of the flow regulating valve, the slurry is always circulated in the pipeline, and the slurry is prevented from being deposited in the pipeline; the conventional stirring and dispersing device is not needed, the slurry in the storage tank is disturbed by the backflow slurry, and the slurry in the tank body is prevented from being deposited; the stable and reliable supply of the magnesium hydroxide slurry is realized.
Drawings
Fig. 1 is a schematic front view of the present invention.
In the figure: 1-a material storage tank, 2-a discharge valve, 3-a desulfurizing tower slurry pool, 4-a feeding pump, 5-a first T-shaped connector, 6-a loop pipeline, 7-a flow regulating valve, 8-a flexible disturbance belt, 9-a flushing pipeline, 10-a cooling nozzle and 11-a second T-shaped connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a magnesium hydrate thick liquids feeding device, includes storage tank 1, the lateral wall of storage tank 1 runs through and is equipped with bleeder valve 2, bleeder valve 2 has desulfurizing tower thick liquids pond 3 through pipe connection, be equipped with feed pump 4 on bleeder valve 2, feed pump 4 opens, goes into desulfurizing tower thick liquids pond 3 with the built-in thick liquids of storage tank 1 through the pipe pump, be connected with the one end of return circuit pipeline 6 through first T type connector 5 on the pipe, the other end of return circuit pipeline 6 with storage tank 1 is connected, correspond on the pipe desulfurizing tower thick liquids pond 3 with be equipped with flow control valve 7 between first T type connector 5.
Specifically, the loop pipe 6 is located on the sidewall of the storage tank 1 corresponding to the lower end of the discharge valve 2.
Particularly, the internal surface lower extreme fixedly connected with flexible disturbance area 8 of storage tank 1 is injected into by the lower extreme through return circuit pipeline 6 the inside thick liquids of storage tank 1 wash flexible disturbance area 8 for flexible disturbance area 8 constantly turns over the hank under this effect, stirs the thick liquids in the storage tank 1, avoids the thick liquids deposit on the lateral wall of storage tank 1.
Particularly, still including flushing pipe 9, be equipped with washing water pump on the flushing pipe 9, through washing water pump to the inside water injection of flushing pipe 9, the last lateral wall of storage tank 1 runs through and is equipped with cooling nozzle 10, flushing pipe 9 with cooling nozzle 10 union coupling, the water in the flushing pipe 9 passes through cooling nozzle 10 and sprays in storage tank 1's inside, washs storage tank 1.
Particularly, be equipped with a plurality of second T type connector 11 on the pipe, wash pipeline 9 respectively with 11 union couplings of second T type connector, wash pipeline 9 corresponds second T type connector 11 punishment is equipped with the valve respectively for control wash opening and shutting of pipeline 9 to wash in the pipe, reach abluent mesh.
Specifically, the flexible disturbance belt 8 is provided with a plurality of openings, the diameter of each opening is determined according to the backflow flow, the flow speed of backflow slurry flowing through the opening is preferably larger than 1m/s, and the openings in the flexible disturbance belt 8 can reduce the resistance of the flexible disturbance belt 8 to the backflow slurry when the flexible disturbance belt 8 moves, so that the stirring efficiency of the flexible disturbance belt 8 to the slurry in the discharge pipe 1 is improved.
In particular, the feed pump 4 is of the type of a diaphragm pump, a slurry pump or a screw pump.
The working principle is as follows: when the device is used, slurry is in the discharging pipe 1, enters the guide pipe through the discharging valve 2, finally flows into the slurry pool 3 of the desulfurizing tower, and the flow velocity of the slurry flowing through the flow regulating valve 7 is controlled through the flow regulating valve 7, so that redundant slurry enters the loop pipeline 6 through the first T-shaped connector 5 and then flows into the storage tank 1, the flow of the slurry is kept, and meanwhile, the slurry in the storage tank 1 is stirred.
Example 2
The embodiment relates to an application of the invention, which comprises the following steps:
firstly, the incoming material enters the material storage tank 1 through the material inlet on the material storage tank 1 to be stored for standby,
secondly, opening a discharge valve 2 and a feed pump 4 when the system operates, regulating and controlling the flow flowing into a slurry pool of the desulfurization tower by controlling a flow regulating valve 7, wherein redundant slurry flows back to a tank bottom flexible disturbance pipe belt 8 through a first T-shaped connector 5, and the backflow slurry causes pipe belt fluctuation when flowing in the tank bottom flexible disturbance pipe belt 8, so that the effect of disturbing the slurry and preventing the precipitation is achieved;
thirdly, keeping the flow velocity of the slurry in the pipeline at 2m/s during operation;
when the system is stopped, the washing water pump 4 is started to wash the slurry inside the pipeline to prevent the slurry from depositing in the pipeline;
and when the ambient temperature is higher than 40 ℃, the flushing water pump is periodically started, the slurry in the storage tank 1 is cooled through the cooling nozzle 10, and the loss water of evaporation is replenished.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a magnesium hydrate thick liquids feeding device, includes storage tank (1), the lateral wall of storage tank (1) runs through and is equipped with bleeder valve (2), bleeder valve (2) have desulfurizing tower thick liquids pond (3) through pipe connection, be equipped with feed pump (4) on bleeder valve (2), its characterized in that: the desulfurization tower slurry tank is characterized in that one end of a loop pipeline (6) is connected to the guide pipe through a first T-shaped connector (5), the other end of the loop pipeline (6) is connected with the storage tank (1), and a flow regulating valve (7) is arranged on the guide pipe and corresponds to the desulfurization tower slurry tank (3) and is arranged between the first T-shaped connector (5).
2. The magnesium hydroxide slurry supply apparatus according to claim 1, wherein: the loop pipeline (6) is positioned on the side wall of the storage tank (1) and corresponds to the lower end of the discharge valve (2).
3. The magnesium hydroxide slurry supply apparatus according to claim 2, wherein: the lower end of the inner surface of the storage tank (1) is fixedly connected with a flexible disturbance belt (8).
4. The magnesium hydroxide slurry supply apparatus according to claim 1, wherein: still including flushing pipe way (9), be equipped with the washing water pump on flushing pipe way (9), the last lateral wall of storage tank (1) runs through and is equipped with cooling nozzle (10), flushing pipe way (9) with cooling nozzle (10) union coupling.
5. The magnesium hydroxide slurry supply apparatus according to claim 4, wherein: the catheter is provided with a plurality of second T-shaped connectors (11), and the flushing pipeline (9) is respectively connected with the second T-shaped connectors (11) through pipes.
6. The magnesium hydroxide slurry supply apparatus according to claim 3, characterized in that: a plurality of openings are arranged on the flexible disturbance band (8); the openings arranged on the flexible disturbance band are distributed in a downward cross mode.
7. The magnesium hydroxide slurry supply apparatus according to claim 3, characterized in that: the feeding pump (4) is one of a diaphragm pump, a slurry pump or a screw pump.
8. Use of the magnesium hydroxide slurry supply apparatus according to claim 4, comprising the steps of:
firstly, incoming materials enter a storage tank (1) through a feeding hole on the storage tank (1) to be stored for later use;
secondly, when the system operates, a discharge valve (2) and a feed pump (4) are opened, the flow is regulated and controlled by controlling a flow regulating valve (7), redundant slurry flows back to a tank bottom flexible disturbance pipe belt (8) through a first T-shaped connector (5), the pipe belt fluctuation is caused when the backflow slurry flows in the tank bottom flexible disturbance pipe belt (8), and the effect of disturbing the slurry and preventing the precipitation is achieved;
thirdly, keeping the flow velocity of the slurry in the pipeline not higher than 5m/s during operation;
and fourthly, when the magnesium hydroxide slurry supply device is stopped, starting a washing water pump to wash the slurry inside the pipeline to prevent the slurry from depositing in the pipeline.
9. Use of the magnesium hydroxide slurry supply apparatus according to claim 8, wherein: the magnesium hydroxide slurry supply device is also connected with a desulfurizing tower, and the desulfurizing tower is provided with a slurry pool; and the flow regulation and control step is to regulate and control the flow of the magnesium hydroxide slurry supply device flowing into the slurry pool of the desulfurization tower.
10. Use of the magnesium hydroxide slurry supply apparatus according to claim 8, wherein: when the ambient temperature is higher than 40 ℃, the flushing water pump (4) is periodically started, the temperature of the contents in the material storage tank (1) is reduced through the cooling nozzle (10), and the loss water of evaporation is supplemented.
CN202011345735.XA 2020-11-25 2020-11-25 Magnesium hydroxide slurry supply device and application thereof Pending CN112340256A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN202011345735.XA CN112340256A (en) 2020-11-25 2020-11-25 Magnesium hydroxide slurry supply device and application thereof

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589175A (en) * 2022-01-31 2022-06-07 浙江汉信科技有限公司 Control equipment suitable for slurry processing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1629533A (en) * 2003-12-16 2005-06-22 金隆铜业有限公司 Fluid delivery method for preventing pipe fouling and clogging
CN101173734A (en) * 2007-11-30 2008-05-07 卢如年 Discharge aiding method for pipe-line transportation
US20100044323A1 (en) * 2007-01-02 2010-02-25 Magnus Asplund Separation media slurry tank
CN201930710U (en) * 2010-12-30 2011-08-17 中电投远达环保工程有限公司 Magnesium desulfurization system
CN203061074U (en) * 2012-12-24 2013-07-17 云南云景林纸股份有限公司 Reflux circulating stirred liquid storage tank
CN107352600A (en) * 2017-08-31 2017-11-17 昌邑海洋水业有限公司 Automatic feeding device
CN207822983U (en) * 2017-12-29 2018-09-07 铜陵瑞莱科技有限公司 A kind of solid slurry circulation adding apparatus
CN211246380U (en) * 2019-11-18 2020-08-14 江山大秦新材料科技有限公司 Stirring kettle for silicone adhesive raw materials
CN213949427U (en) * 2020-11-25 2021-08-13 大连海事大学 Magnesium hydroxide slurry feeding device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1629533A (en) * 2003-12-16 2005-06-22 金隆铜业有限公司 Fluid delivery method for preventing pipe fouling and clogging
US20100044323A1 (en) * 2007-01-02 2010-02-25 Magnus Asplund Separation media slurry tank
CN101173734A (en) * 2007-11-30 2008-05-07 卢如年 Discharge aiding method for pipe-line transportation
CN201930710U (en) * 2010-12-30 2011-08-17 中电投远达环保工程有限公司 Magnesium desulfurization system
CN203061074U (en) * 2012-12-24 2013-07-17 云南云景林纸股份有限公司 Reflux circulating stirred liquid storage tank
CN107352600A (en) * 2017-08-31 2017-11-17 昌邑海洋水业有限公司 Automatic feeding device
CN207822983U (en) * 2017-12-29 2018-09-07 铜陵瑞莱科技有限公司 A kind of solid slurry circulation adding apparatus
CN211246380U (en) * 2019-11-18 2020-08-14 江山大秦新材料科技有限公司 Stirring kettle for silicone adhesive raw materials
CN213949427U (en) * 2020-11-25 2021-08-13 大连海事大学 Magnesium hydroxide slurry feeding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589175A (en) * 2022-01-31 2022-06-07 浙江汉信科技有限公司 Control equipment suitable for slurry processing
CN114589175B (en) * 2022-01-31 2024-05-14 浙江汉信科技有限公司 Control equipment suitable for thick liquids processing

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