CN107441777A - A kind of prewashing tower spill box - Google Patents
A kind of prewashing tower spill box Download PDFInfo
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- CN107441777A CN107441777A CN201710827256.3A CN201710827256A CN107441777A CN 107441777 A CN107441777 A CN 107441777A CN 201710827256 A CN201710827256 A CN 201710827256A CN 107441777 A CN107441777 A CN 107441777A
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- oar
- liquid level
- defoaming
- casing
- foam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0031—Degasification of liquids by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0047—Atomizing, spraying, trickling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The present invention relates to technical field of desulfurization, specifically, it is related to a kind of prewashing tower spill box, including casing, oar, overflow pipe are defoamed, the side wall of the box house is provided with the liquid level sensor of liquid level in detection case body, oar is moving up and down is installed on box house for the defoaming, with the upper-lower height of the corresponding adjustment defoaming oar of liquid level in the casing that is detected according to liquid level sensor.Spill box provided by the invention can effectively remove the foam in prewashing tower overflow pipe, substantially reduce the cellular deposit for the formation of foam for being emitted into trench, and rinse water can be avoided to flow back into absorption tower, influence absorption tower water balance.
Description
Technical field
The present invention relates to technical field of desulfurization, specifically, is related to a kind of prewashing tower spill box.
Background technology
Thermal power plant uses Wet Flue Gas Desulfurization Technique more at present.Due to by boiler combustion situation, dust content, lime
The factors such as stone slurries quality, process water quality influence, and desulfurizing tower has the phenomenon bubbled in various degree.
In the prior art, increase first grade desulfurizing tower on the basis of original absorption tower to connect with former tower and (be referred to as prewashing tower afterwards),
But because environmental protection index controlling value reduces, and main desulphurization reaction occurs in prewashing tower, causes prewashing tower foaming phenomena serious,
Though being greatly improved by post-processing, prewashing tower overflow pipe still has black foam spilling.Former overflow pipe is directly protruding into ground
Ditch, overflow go out foam and are deposited in after natural drying in cellular by trench, it is impossible to eliminate naturally；And a large amount of water need to be used when clearing up
The overflow mouth of pipe is rinsed, the water after rinsing can be caused to flow back into prewashing tower, influence prewashing tower water balance.
In view of this, it is special to propose the present invention.
The content of the invention
The present invention is intended to provide a kind of prewashing tower spill box, the water tank is installed on overflow pipe, and is provided with
The structures such as oar, flase floor are defoamed, to reach the purpose that the black foam for overflow is completely eliminated.
To achieve the above object, the present invention specifically adopts the following technical scheme that：
A kind of prewashing tower spill box, including casing 7, defoam oar 1, overflow pipe 4, are set in the side wall inside the casing 7
There is the liquid level sensor 3 of liquid level in detection casing 7, oar 1 is moving up and down is installed on inside casing 7 for the defoaming, with
The upper-lower height of the corresponding adjustment defoaming oar 1 of liquid level in the casing 7 detected according to liquid level sensor 3.
In such scheme, the overflow pipe 4 of prewashing tower often outwards discharges black foam, and cisten mechanism is installed additional on overflow pipe 4,
Make black foam be passed directly into water, can greatly reduce foam, but when discharge capacity is larger, foam is still present, therefore
Mechanical device is installed additional in water tank to defoam, mechanical defoaming is by the strength vibrations caused by mechanical force or pressure
Constantly change, promotes lather collapse to reach defoaming purpose.Using improved defoaming oar 1 in the present invention, gone by stirring
Except the foam for swimming in liquid level.
The present invention further scheme be：The defoaming oar 1 is additionally provided with shower nozzle 11, shower nozzle through defoam the internal watercourses of oar 1 with
External water source is connected, to be kept the skin wet in the rotary course of oar 1 is defoamed into casing 7.
In such scheme, the black foam discharged with overflow pipe 4 gradually increases, it is desirable to provide external water source carries out moisturizing
To dissolve black foam；When using external water source to carrying out moisturizing in casing, defoaming oar 1 drives through driving structure to be rotated, institute
It can be motor to state driving structure.
The present invention further scheme be：The spill box is additionally provided with the connection defoaming internal watercourses of oar 1 and bottom half
Backwater water route 8, the shower nozzle 11 can spray the recirculated water inside water tank in the horizontal direction, when water tank does not need moisturizing, be
Defoam the powered rotation of oar 1.
In such scheme, water pump is provided with backwater water route 8, extracts water body from bottom half, and provide for shower nozzle 11
Certain hydraulic pressure so that the power that the water body of ejection rotates as defoaming oar 1；Also, regulation hydraulic pressure size can increase or drop
The rotating speed of low defoaming oar 1.
The present invention further scheme be：The defoaming oar 1 includes the rotating extensible arm 13 being connected with the inner roof wall of casing 7,
Some blades are provided with to surrounding is horizontal-extending centered on the bottom of rotating extensible arm 13, the blade is provided with can be in the horizontal direction
The shower nozzle 11 of water body is sprayed, order defoaming oar may move about 1 and blade can rotate horizontally.
In such scheme, rotating extensible arm 13 can realize stretching on above-below direction, be also used as the rotary shaft of blade
The rotation of defoaming oar 1 is realized, and rotating extensible arm 13 is internally provided with water route, is connected with the water route inside blade, by external water
The water body that source or recirculated water provide is delivered to shower nozzle 11.
The present invention further scheme be：The defoaming oar 1 is according to the liquid level signal that liquid level sensor 3 is sent and casing 7
The equal setting of interior liquid level, and with liquid level change persistently adjust vertical direction on position, order defoaming oar 1 all the time with liquid level
It is equal.
In such scheme, defoaming oar 1 rotates in the horizontal direction, and via the inside of rotating extensible arm 13 and casing 7
Roof is connected so that defoaming oar 1 can provide the height in Signal Regulation vertical direction according to liquid level sensor 3 so that defoaming
The Plane of rotation of oar 1 is slightly above the liquid level of solution in casing 7, and the rotation of order defoaming oar 1 can strike off the bubble swum on liquid level
Foam.
The present invention further scheme be：The shower nozzle 11 can be arranged at defoaming oar 1 with spraying water body in the horizontal direction
On blade, the water for making shower nozzle 11 spray washes away the foam swum on liquid level.
In such scheme, the shower nozzle 11 that oriented horizontal direction injection water body is set on the blade of oar 1 is defoamed, with prior art
In common downward injection water body shower nozzle it is different, the shower nozzle 11 of the application is arranged on the side of the defoaming blade of oar 1, can disappear
Steep the rotary course of oar 1 in into water tank liquid level transverse sprinkling water body.Because the blade length for defoaming oar 1 has certain limitation, because
This has part foam in defoaming process is rotated and is deposited on the box inside wall that blade can not touch, and now horizontal direction is sprayed
The shower nozzle 11 penetrated can effectively eliminate these adherent foams, and if using vertical direction sprinkling equipment, then need in case
More shower nozzle is set to realize above-mentioned purpose at the top of body.
The present invention further scheme be：The direction that the shower nozzle 11 sprays water body is opposite with the direction of rotation for defoaming oar 1
Set.
In such scheme, the opening of shower nozzle 11 is arranged on the side of blade, with the defoaming direction of rotation of oar 1 on the contrary, in motor
In the rotary course of driving, with the raising of rotating speed, the water body ejected is subject to centrifugal forces, can effectively eliminate adherent
Foam.
The present invention further scheme be：Some shower nozzles 11 are provided with along blade extending direction, the spacing of shower nozzle 11 is in blade
Extending direction on gradually lengthen set；Preferably, the hydraulic pressure of the shower nozzle 11 is gradually reduced setting with blade extending direction.
In such scheme, defoaming oar 1 is in rotary course, closer to the position of rotary shaft, the next mechanical energy phase of rotational band
To smaller, therefore also easily there is foam adhesion closer to the position of rotary shaft, therefore when setting shower nozzle 11, close to rotation
One side shower nozzle 11 of axle be spaced it is smaller, in order that more dense current break through foam close to rotary shaft.Preferably, can be right
Above-mentioned shower nozzle 11 sets different opening bores, and the opening bore of shower nozzle 11 close to rotary shaft is larger, can also remove and gather
Foam near rotary shaft.
The present invention further scheme be：The blade of the defoaming oar 1 is provided with shape such as sine curve in vertical direction
Grizzly bar 12, make the blade of rotation strike off the foam swum on liquid level；Preferably, the defoaming oar 1 is provided with three pieces of blades, phase
The angle of adjacent blade in the horizontal direction is 120 °.
In such scheme, the grizzly bar 12 is set perpendicular to blade direction of rotation in continuous S types, is rotated in defoaming oar 1
During, the grizzly bar 12 is in contact with foam with water body, and the lather collapse for fully stirring liquid level order floating disappears.
The present invention further scheme be：The liquid level sensor 3 is additionally provided with the conducting probe for detecting foam height,
The rotating speed and the rate of water make-up of shower nozzle 11 of order defoaming oar 1 improve with the increase of foam height.
In such scheme, the change of probe tips present position electrical conductivity is measured using conducting probe, reflects probe tips
Whether it is in foam；When foam reaches probe tips height, conducting probe detects the change of electrical conductivity, and is simultaneously emitted by
Foam height signal and liquid level signal, the control defoaming velocity of rotation of oar 1 and injection flow rate, while improve defoaming oar with the increase of water
1 upright position is equal with liquid level；After the removal of foam, conducting probe detects that conductivity values return, and sends foam again
Altitude signal, defoaming oar 1 upright position are no longer adjusted.
The present invention further scheme be：The overflow pipe 4 is extended in casing 7 from any side wall bottom level of casing 7
Portion is set, and the mouth of pipe of overflow pipe 4 bends downwards setting, makes the foam of discharge fully be contacted with water body.
In such scheme, the mouth of pipe of overflow pipe 4 is extended in the middle part of water tank without being provided in side wall, is to make foam equal
It is even to enter water tank, this outer spout it is down-set can water-stop body anti-to a certain degree be back to prewashing tower through overflow pipe 4, cause tower
Interior water balance imbalance.
The present invention further scheme be：The top of one side wall of the casing 7 is provided with the gap 5 being connected with trench,
Liquid level is made to absorb the water body of foam after rising or partly not be dissolved in the foam of water from the overflow of gap 5 to trench；The casing 7
Bottom surface is additionally provided with the sewage draining exit 6 of controllable opening and closing, makes outside the solid impurity discharge water tank of deposition in casing 7.
The present invention further scheme be：The mouth of pipe of the overflow pipe 4 is provided with flase floor 2 with gap 5.
In such scheme, larger foam can be split rupture by the flase floor 2 so that enter water tank by overflow pipe 4
Foam and by gap 5 discharge water tank lather collapse dissipate, beneficial to dissolving of the water body to foam, and reduce discharge water
Foam outside case.
Beneficial effects of the present invention are：
1. the invention provides a kind of cisten mechanism on prewashing tower overflow pipe, the black foam that overflow is gone out is molten
In Xie Yushui, cellular deposit is caused to avoid directly discharging into environment, further, it is also possible to which it is pre- to prevent that flushing water is back to
Washing tower influences water balance in tower；
2. using main tool of the defoaming oar as defoaming in the present invention, and being improved on defoaming oar, increase
The shower nozzle of water body can be sprayed to horizontal direction, while water supplement function is realized, the foam that dead angle in casing is floated is removed
Totally；
3. the shower nozzle defoamed in the present invention on oar blade is set using Unequal distance, and injection direction and blade direction of rotation
On the contrary, it is to preferably eliminate the foam close to defoaming oar rotary shaft and the foam of wall box accumulation；
4. the present invention is equipped with flase floor at overflow pipe and gap, inlet and outlet casing can be further ruptured
Foam.
Brief description of the drawings
Fig. 1 is the structural representation of spill box in the present invention.
Fig. 2 is the structural representation that oar is defoamed in the present invention.
Critical piece is in figure：1-defoaming oar, 11-shower nozzle, 12-grizzly bar, 13-rotating extensible arm, 2-flase floor,
3-liquid level sensor, 4-overflow pipe, 5-gap, 6-sewage draining exit, 7-casing, 8-backwater water route.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
Embodiments of the present invention will be described in further detail with reference to accompanying drawing.
Embodiment 1
In the present embodiment, as shown in figure 1, a kind of prewashing tower spill box, including casing 7, defoam oar 1, overflow pipe 4, institute
The liquid level sensor 3 that the side wall inside casing 7 is provided with liquid level in detection casing 7 is stated, the defoaming oar 1 can move up and down
Be installed on inside casing 7, with the upper of the corresponding adjustment defoaming oar 1 of liquid level in the casing 7 that is detected according to liquid level sensor 3
Lower height.
In the present embodiment, the overflow pipe 4 of prewashing tower often outwards discharges black foam, and cisten mechanism is installed additional on overflow pipe 4,
Make black foam be passed directly into water, can greatly reduce foam, but when discharge capacity is larger, foam is still present, therefore
Mechanical device is installed additional in water tank to defoam, mechanical defoaming is by the strength vibrations caused by mechanical force or pressure
Constantly change, promotes lather collapse to reach defoaming purpose.Using improved defoaming oar 1 in the present invention, gone by stirring
Except the foam for swimming in liquid level；In addition, the defoaming oar also there are the shower nozzle 11 of injection water body, fed water while defoaming
Case moisturizing.
In the present embodiment, the defoaming oar 1 is additionally provided with shower nozzle 11, and shower nozzle is through defoaming the internal watercourses of oar 1 and external water source phase
Connection, to be kept the skin wet in the rotary course of oar 1 is defoamed into casing 7.The black foam discharged with overflow pipe 4 gradually increases
It is more, it is desirable to provide external water source carries out moisturizing to dissolve black foam；When using external water source to carrying out moisturizing in casing, disappear
Steep oar 1 and driven through driving structure and rotated, the driving structure can be motor.
In the present embodiment, the spill box is additionally provided with the backwater water route of the connection defoaming internal watercourses of oar 1 and bottom half
8, the shower nozzle 11 can spray the recirculated water inside water tank in the horizontal direction, when water tank does not need moisturizing, to defoam the rotation of oar 1
Turn to provide power.Water pump is provided with backwater water route 8, extracts water body from bottom half, and certain water is provided for shower nozzle 11
Pressure so that the power that the water body of ejection rotates as defoaming oar 1；Also, regulation hydraulic pressure size can increase or decrease defoaming oar 1
Rotating speed.
In the present embodiment, the defoaming oar 1 includes the rotating extensible arm 13 being connected with the inner roof wall of casing 7, with rotary extension
Some blades are provided with to surrounding is horizontal-extending centered on the bottom of bar 13, the blade, which is provided with, can spray water body in the horizontal direction
Shower nozzle 11, order defoaming oar may move about 1 and blade can rotate horizontally.Rotating extensible arm 13 can realize stretching on above-below direction
Contracting, the rotary shaft for being also used as blade realizes the rotation of defoaming oar 1, and rotating extensible arm 13 is internally provided with water route, with oar
The water route of interlobar part is connected, and the water body that external water source or recirculated water provide is delivered into shower nozzle 11.
In the present embodiment, the defoaming oar 1 is according to the liquid level signal that liquid level sensor 3 is sent and the liquid level phase in casing 7
It is flat to set and equal with liquid level all the time with the position changed persistently in adjustment vertical direction of liquid level, order defoaming oar 1.
In the present embodiment, defoaming oar 1 rotates in the horizontal direction, and via the inside of rotating extensible arm 13 and casing 7
Roof is connected so that defoaming oar 1 can provide the height in Signal Regulation vertical direction according to liquid level sensor 3 so that defoaming
The Plane of rotation of oar 1 is slightly above the liquid level of solution in casing 7, and the rotation of order defoaming oar 1 can strike off the bubble swum on liquid level
Foam.
In the present embodiment, as shown in Fig. 2 the shower nozzle 11 can be arranged at defoaming oar 1 with spraying water body in the horizontal direction
On blade, the water for making shower nozzle 11 spray washes away the foam swum on liquid level.
In the present embodiment, the shower nozzle 11 that oriented horizontal direction injection water body is set on the blade of oar 1 is defoamed, with prior art
In common downward injection water body shower nozzle it is different, the shower nozzle 11 of the application is arranged on the side of the defoaming blade of oar 1, can disappear
Steep the rotary course of oar 1 in into water tank liquid level transverse sprinkling water body.Because the blade length for defoaming oar 1 has certain limitation, because
This has part foam in defoaming process is rotated and is deposited on the box inside wall that blade can not touch, and now horizontal direction is sprayed
The shower nozzle 11 penetrated can effectively eliminate these adherent foams, and if using vertical direction sprinkling equipment, then need in case
More shower nozzle is set to realize above-mentioned purpose at the top of body.
In the present embodiment, the direction that the shower nozzle 11 sprays water body is reversed with defoaming the direction of rotation of oar 1.Shower nozzle 11
Opening be arranged on the side of blade, with the defoaming direction of rotation of oar 1 on the contrary, in motor-driven rotary course, with rotating speed
Raising, the water body ejected is subject to centrifugal forces, can effectively eliminate adherent foam.
In the present embodiment, as shown in Fig. 2 being provided with some shower nozzles 11 along blade extending direction, the spacing of shower nozzle 11 is in blade
Extending direction on gradually lengthen set.
In the present embodiment, defoaming oar 1 is in rotary course, closer to the position of rotary shaft, the next mechanical energy phase of rotational band
To smaller, therefore also easily there is foam adhesion closer to the position of rotary shaft, therefore when setting shower nozzle 11, close to rotation
One side shower nozzle 11 of axle be spaced it is smaller, in order that more dense current break through foam close to rotary shaft.
In the present embodiment, as shown in Fig. 2 the blade of the defoaming oar 1 is provided with shape such as sine curve in vertical direction
Grizzly bar 12, make the blade of rotation strike off the foam swum on liquid level；The defoaming oar 1 is provided with two pieces of blades, two pieces of blades
Angle in the horizontal direction is 180 °.
In the present embodiment, the grizzly bar 12 is set perpendicular to blade direction of rotation in continuous S types, is rotated in defoaming oar 1
During, the grizzly bar 12 is in contact with foam with water body, and the lather collapse for fully stirring liquid level order floating disappears.
In the present embodiment, the liquid level sensor 3 is additionally provided with the conducting probe for detecting foam height, order defoaming oar 1
Rotating speed and the rate of water make-up of shower nozzle 11 improved with the increase of foam height.
In the present embodiment, the change of probe tips present position electrical conductivity is measured using conducting probe, reflects probe tips
Whether it is in foam；When foam reaches probe tips height, conducting probe detects the change of electrical conductivity, and is simultaneously emitted by
Foam height signal and liquid level signal, the control defoaming velocity of rotation of oar 1 and injection flow rate, while improve defoaming oar with the increase of water
1 upright position is equal with liquid level；After the removal of foam, conducting probe detects that conductivity values return, and sends foam again
Altitude signal, defoaming oar 1 upright position are no longer adjusted.
In the present embodiment, the overflow pipe 4 extends to the middle part of casing 7 from any side wall bottom level of casing 7 and set, overflow
The mouth of pipe of pipe 4 bends downwards setting, makes the foam of discharge fully be contacted with water body.The mouth of pipe of overflow pipe 4 is extended in the middle part of water tank
It is to allow foam to uniformly enter water tank, this outer spout is down-set to be prevented to a certain degree without being provided in side wall
Water body is back to prewashing tower through overflow pipe 4, causes water balance in tower to be lacked of proper care.
In the present embodiment, the top of a side wall of the casing 7 is provided with the gap 5 being connected with trench, makes liquid level rise
The water body or part for absorbing foam afterwards are not dissolved in the foam of water from the overflow of gap 5 to trench；The bottom surface of the casing 7 is additionally provided with
The sewage draining exit 6 of controllable opening and closing, make outside the solid impurity discharge water tank of deposition in casing 7.
In the present embodiment, the mouth of pipe and the gap 5 of the overflow pipe 4 are provided with flase floor 2.The flase floor 2 can will be larger
Foam segmentation rupture so that by overflow pipe 4 enter water tank foam and by gap 5 discharge water tank lather collapse disappear
Dissipate, beneficial to dissolving of the water body to foam, and reduce the foam outside discharge water tank.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：
In the present embodiment, some shower nozzles 11 are provided with along blade extending direction, the extending direction of the spacing of shower nozzle 11 in blade
Upper gradually lengthen is set, also, the hydraulic pressure of the shower nozzle 11 is gradually reduced setting with blade extending direction.
In the present embodiment, defoaming oar 1 is in rotary course, closer to the position of rotary shaft, the next mechanical energy phase of rotational band
To smaller, therefore also easily there is foam adhesion closer to the position of rotary shaft, therefore when setting shower nozzle 11, close to rotation
One side shower nozzle 11 of axle be spaced it is smaller, in order that more dense current break through foam close to rotary shaft；In addition, to above-mentioned spray
First 11 set different opening bores, and the opening bore of shower nozzle 11 close to rotary shaft is larger, can also remove and gather in rotary shaft
Neighbouring foam.
In the present embodiment, the blade of the defoaming oar 1 is provided with for example sinusoidal grizzly bar 12 of shape in vertical direction, makes
The blade of rotation strikes off the foam swum on liquid level；The defoaming oar 1 is provided with three pieces of blades, and adjacent blades are in the horizontal direction
Angle be 120 °.
In the present embodiment, when defoaming oar sets two pieces of equal blades, because direction of rotation is single, the one of blade can be caused
Foam is accumulated in side, and blade is arranged into three, foam can be more uniformly broken up, ruptures, improve defoaming effect.
It above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that this hair
It is bright to be not limited to specific embodiment described here, various significantly change, again can be carried out for a person skilled in the art
Adjustment and replacement are without departing from protection scope of the present invention.Therefore, although the present invention has been carried out by above example compared with
For detailed description, but the present invention is not limited only to above example, without departing from the inventive concept, can be with
Including other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of prewashing tower spill box, including casing (7), defoaming oar (1), overflow pipe (4), it is characterised in that the casing
(7) internal side wall is provided with the liquid level sensor (3) of detection casing (7) interior liquid level, the defoaming oar (1) can on move down
Dynamic is installed on casing (7) inside, corresponds to adjustment with casing (7) the interior liquid level detected according to liquid level sensor (3) and disappears
Steep the upper-lower height of oar (1).
2. prewashing tower spill box according to claim 1, it is characterised in that the defoaming oar (1) is additionally provided with shower nozzle
(11), shower nozzle through defoam oar (1) internal watercourses be connected with external water source, with oar (1) rotary course is defoamed to casing (7)
Inside keep the skin wet.
3. prewashing tower spill box according to claim 1 or 2, it is characterised in that the spill box is additionally provided with connection
The backwater water route (8) of oar (1) internal watercourses and bottom half is defoamed, the shower nozzle (11) can be sprayed inside water tank in the horizontal direction
Recirculated water, when water tank do not need moisturizing when, for defoaming oar (1) powered rotation.
4. the prewashing tower spill box according to claims 1 to 3 any one, it is characterised in that defoaming oar (1) bag
The rotating extensible arm (13) being connected with casing (7) inner roof wall is included, is prolonged centered on rotating extensible arm (13) bottom to surrounding level
Stretch and be provided with some blades, the blade is provided with the shower nozzle (11) that can spray water body in the horizontal direction, and order defoaming oar (1) up and down may be used
Mobile and blade can rotate horizontally.
5. the prewashing tower spill box according to Claims 1 to 4 any one, it is characterised in that described defoaming oar (1) root
According to the liquid level signal that liquid level sensor (3) is sent setting equal with the liquid level in casing (7), and persistently adjusted with the change of liquid level
Position in whole vertical direction, order defoaming oar (1) are equal with liquid level all the time.
6. the prewashing tower spill box according to Claims 1 to 5 any one, it is characterised in that along blade extending direction
Provided with some shower nozzles (11), the spacing of shower nozzle (11) gradually lengthens on the extending direction of blade to be set；Preferably, the shower nozzle
(11) hydraulic pressure is gradually reduced setting with blade extending direction.
7. the prewashing tower spill box according to claim 1~6 any one, it is characterised in that the defoaming oar (1)
Blade is provided with for example sinusoidal grizzly bar (12) of shape in vertical direction, makes the blade of rotation strike off the bubble swum on liquid level
Foam；Preferably, the defoaming oar (1) is provided with three pieces of blades, and the angle of adjacent blades in the horizontal direction is 120 °.
8. the prewashing tower spill box according to claim 1~7 any one, it is characterised in that the liquid level sensor
(3) conducting probe for detecting foam height is additionally provided with, the rotating speed and shower nozzle (11) rate of water make-up of order defoaming oar (1) are with foam height
The increase of degree and improve.
9. the prewashing tower spill box according to claim 1~7 any one, it is characterised in that the overflow pipe (4) is certainly
Any side wall bottom level of casing (7) is extended in the middle part of casing (7) and set, and the mouth of pipe of overflow pipe (4) bends downwards setting, order row
The foam gone out fully contacts with water body.
10. the prewashing tower spill box according to claim 1~9 any one, it is characterised in that the overflow pipe (4)
The mouth of pipe be provided with flase floor (2).
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| CN110270139A (en) * | 2019-07-10 | 2019-09-24 | 重庆三峰科技有限公司 | A kind of membranous system cleaning case defoaming device |
| CN110387717A (en) * | 2018-04-17 | 2019-10-29 | 松下知识产权经营株式会社 | Electrical Household appliance |
| CN116174361A (en) * | 2023-05-04 | 2023-05-30 | 山东世商焊材有限公司 | High-pressure cleaning device convenient for aluminum and aluminum alloy welding wires |
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| CN107441777B (en) | 2023-06-20 |
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