CN202224006U - Moving bed defogger - Google Patents
Moving bed defogger Download PDFInfo
- Publication number
- CN202224006U CN202224006U CN2011203920568U CN201120392056U CN202224006U CN 202224006 U CN202224006 U CN 202224006U CN 2011203920568 U CN2011203920568 U CN 2011203920568U CN 201120392056 U CN201120392056 U CN 201120392056U CN 202224006 U CN202224006 U CN 202224006U
- Authority
- CN
- China
- Prior art keywords
- gas
- filler
- stuffing
- housing
- packing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a moving bed defogger which comprises a casing made of high polymer material, wherein a batch feeder is arranged at the top of the casing, and a batch charger is arranged at the bottom; the casing is filled with a stuffing bed formed by stuffing and capable of moving from top to bottom; a gas distributor is fixed on the batch charger; and a gas outlet is formed at the side part at the upper part of the casing, and a gas inlet is formed at the lower part of the casing and penetrates through the batch charger to be communicated with the gas distributor. Serous fluid containing solids, or particle solution capable of separating out crystal salt, which are entrained in the gas collected to the surface of the stuffing inside the moving bed defogger, are discharged together with the continuously and downwardly moving stuffing for cleaning, the stuffing can be reused after cleaning, liquid contained in the gas collected can be effectively prevented from scale formation and blockage on the surface of the stuffing, and the long-term and stable operation of the defogger filled with stuffing can be enusred.
Description
Technical field
The utility model belongs to the solution-air separation technology field, is specifically related to remove the device of water smoke in the gas.
Background technology
Demister is a kind of solution-air separation equipment, is used for isolating the liquid particle of being carried secretly from gas.Demister commonly used has mesh mist eliminator, filler demister, deflection plate demister, eddy flow plate demister and electrostatic precipitator etc.
Many chemical industry, the environment-protective process process need is separated the liquid particle of being carried secretly in the gas, promptly needs demist.Flue gas after desulfurization is carried the liquid mists that are made up of liquid particle in a large number secretly in the wet process of FGD process, must remove the liquid fog dust gas carried secretly could be after heat exchanger improves temperature by the chimney emptying or without heat exchanger directly by the chimney emptying.Because the liquid particle that flue gas is carried secretly behind the wet process of FGD is to contain the slurries of solids or the solution that can separate out crystal salt.Remove this liquid particle if use mesh mist eliminator, filler demister; This liquid particle that contains the slurries of solids or can separate out the solution of crystal salt very easily results in blockage in fouling between silk screen or between filler; And flushing is very difficult, makes mesh mist eliminator, filler demister can't keep normal operation; Remove this liquid particle if use electrostatic precipitator; This liquid particle of solution that contains the slurries of solids or can separate out crystal salt is at sparking electrode and receiving electrode surface scale; Cause sparking electrode corona discharge difficulty; Cause receiving electrode electric conductivity variation, make electrostatic precipitator can't keep normal operation; Remove this liquid particle if use deflection plate demister or eddy flow plate demister; This liquid particle meeting fouling on deflection plate or eddy flow plate equally that contains the slurries of solids or can separate out the solution of crystal salt; Also can cause the obstruction of gas passage; Water flushing deflection plate or eddy flow plate can prevent fouling, can guarantee that deflection plate or eddy flow plate demister normally move, but water influences demist efficient when washing deflection plate or eddy flow plate; And the fluctuation range that the air velocity through deflection plate or eddy flow plate allows is narrower, and air velocity is too fast or cross and all can influence its demist efficient slowly.Can find out by above branch folding; Deflection plate demister and eddy flow plate demister can be accomplished liquid particle (mist) task of carrying secretly in the flue gas after desulfurization of removing preferably; But can influence demist efficient for overcoming fouling water flushing deflection plate or eddy flow plate, use deflection plate demister or eddy flow plate demister neither optimal selections in the desulfurization project.Obviously common filler demister also can't be born liquid particle (mist) task of carrying secretly in the flue gas after desulfurization of removing.
Summary of the invention
In order to overcome the shortcoming of existing demister, the utility model provides a kind of moving bed demister that effectively prevents filling surface fouling, obstruction.
The purpose of the utility model realizes through following structures:
A kind of moving bed demister has the housing processed by macromolecular material, is provided with feeder in case top, and the bottom is equipped with packing box.Filling in the housing expires from top to bottom the movably packed bed of filler formation.Gas distributor is fixed on the packing box, and gas distributor is a multi-step polygon double-edged fine-toothed comb.Gas vent is located at housing top sidepiece, and gas feed is located at lower housing portion and passes packing box, communicates with gas distributor.
The utility model belongs to the defogging equipment of using in a kind of industry, the environment that is specially adapted to contain the liquid mist of solids or can separates out the liquid mist of crystal salt.The utility model is simple in structure; Cheap, demist is effective, can make the liquid particle that solid slurry maybe can be separated out the solution of crystal salt that contains that the gas of being caught by filler carries secretly; Clean in company with discharging during the filler that constantly moves down is together from demister; Filler after the cleaning is reused, and the liquid particle of solution that containing of just can preventing effectively that captive gas from carrying secretly, solid slurry maybe can separate out crystal salt is in filling surface fouling, obstruction, guarantees that the filler demister is steady in a long-term to move.
Description of drawings
Fig. 1 is the structural representation of the utility model moving bed demister.
Mark among the figure: 1 feeder, 2 housings, 3 gas vents, 4 packed beds, 5 gas distributors, 6 packing boxs.
The specific embodiment
Shown in accompanying drawing 1, the utility model moving bed demister is made up of the packed bed 4 in housing 2, gas distributor 5, packing box 6, feeder 1, gas feed 7, gas vent 3 and the housing 2.
Its housing 2 is processed by the macromolecular material (like polypropylene) of acid-alkali-corrosive-resisting.Be provided with feeder 1 at housing 2 tops, the bottom is equipped with packing box 6.Gas distributor 5 is a multi-step polygon double-edged fine-toothed comb; Be fixed on the packing box 6 and support packing layer jointly with packing box 6, the effect of gas distributor 5 is evenly to distribute to get into the flue gas of the entrained liquids particulate of packed bed 4 in packing box 6 is sent into housing 2 from gas feed 7.Gas distributor 5 rotates with packing box 6, passes through discharging cutter, blow tank (be existing equipment, this paper repeats no more) to filler smoothly by draining into outside the housing 2 in the housing 2.Fill water in the packing box 6, play the water seal effect, leak in the cigarette when avoiding drawing off filler, moving bed demister normally operation in the same old way when guaranteeing to unload filler.Packing box 6 blast pipe places are provided with water seal, and packing box 6 can be rotated and seal; Housing 2 tops are provided with feeder 1, and feeder 1 is the double-charging bell feeder, the keying of staggering of upper and lower bell, and smoke spillage when avoiding filled guarantees that the moving bed demister does not have gas leakage, normally operation in the same old way when filled.Gas vent 3 is located at housing 2 tops one side, passes packing box 6 and gas feed 7 is located at lower central, communicates with gas distributor 5.Filling in the housing 2 expires from top to bottom the movably packed bed 4 of filler formation.
Usually filler is glass marble or baton round with diameter, also can be other irregular materials, like cullet, quartz particles or various slags etc.The diameter of glass marble or baton round is selected between φ 5mm～φ 80mm; And packing material sizes such as irregular quartz, cinder as far as possible evenly, φ 10mm≤average grain diameter≤φ 80mm.No matter use above-mentioned which kind of filler, be the heap formula of loosing.
The gas of carrying liqs particulate is sent into the moving bed demister by gas feed 7; Get into packed bed 4 through gas distributor 5 even distributions; Liquid particle and filler collide and attached to filler particles surface; Be pooled to the filler particles lowest part attached to the liquid on filler particles surface and become drop, drop collects bigger and bigger, and arrive the gravity that himself produces greatly up to the drop of assembling, to surpass gas climbing power and liquid capillary with joint efforts the time; Drop just separates the filler particles surface below dropping to from filler particles; Pool becomes drop to filler particles below with the liquid particle collision equally, and drop becomes big whereabouts, and the liquid particle of being carried secretly in the gas is like this caught and is retained down by filler.Simultaneously, packing box 6 rotates, and the filler under the effect of its discharging cutter, blow tank in the packed bed is discharged from demister, and by filler and the new filler that replenishes after the double-charging bell feeder 1 adding regeneration at housing 2 tops, it is top-down mobile to form packed bed 4.The liquid particle of carrying secretly in the gas is like this caught by filler and from gas, is removed, and captive liquid is discharged in the filler that does not constantly move is from demister, realizes the purpose of demist.Gas institute entrained liquids particulate normally contains the slurries of solids or the solution that can separate out crystal salt, and easy scale formation results in blockage.So the filler particles of catching liquid particle of being discharged by demister needs to clean, and removes the liquid of being caught of attachment removal, the filler particles after the cleaning is reused.
Instance
20 * 10
4Nm
3/ h coal-fired flue-gas with desulfurization method of limestone-gypsum after gas 20.7 * 10
4Nm
3/ h, the about 300kg/h of entrained liquids particulate, the liquid particle of carrying secretly contain solid calcium salt about 15%.Adopt the housing internal diameter to remove the paste liquid particulate that gas is carried secretly for the moving bed demister of
high 6000mm.Adopting
glass marble is filler; It is 3 meters that the filler height of bed is counted from packing box, and the filler renewal amount is 3000kg/h.The demister gas vent is discharged gas and is carried paste liquid particulate 6kg/h secretly, and the demist rate is 98%.
Claims (6)
1. moving bed demister has the housing (2) processed by macromolecular material, and it is characterized in that: be provided with feeder (1) at housing (2) top, the bottom is equipped with packing box (6); Filling in the housing (2) expires from top to bottom the movably packed bed (4) of filler formation; Gas distributor (5) is fixed on the packing box (6), and gas distributor (5) is a multi-step polygon double-edged fine-toothed comb; Gas vent (3) is located at housing (2) top sidepiece, and gas feed (7) is located at housing (2) bottom and passes packing box (6), communicates with gas distributor (5).
2. packed bed according to claim 1 is characterized in that: the water of having filled the water seal effect in the packing box (6).
3. packed bed according to claim 1 is characterized in that: feeder (1) is the double-charging bell feeder.
4. packed bed according to claim 1 is characterized in that: said filler is glass marble or baton round with diameter, and its diameter is selected between φ 5mm～φ 80mm.
5. packed bed according to claim 1 is characterized in that: said filler is cullet, quartz particles or slag, φ 10mm≤average grain diameter≤φ 80mm.
6. according to claim 4 or 5 described packed beds, it is characterized in that: said filler is the heap formula of loosing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203920568U CN202224006U (en) | 2011-10-17 | 2011-10-17 | Moving bed defogger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203920568U CN202224006U (en) | 2011-10-17 | 2011-10-17 | Moving bed defogger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224006U true CN202224006U (en) | 2012-05-23 |
Family
ID=46074616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203920568U Expired - Lifetime CN202224006U (en) | 2011-10-17 | 2011-10-17 | Moving bed defogger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389675A (en) * | 2011-10-17 | 2012-03-28 | 史汉祥 | Demister for moving bed |
| CN106345183A (en) * | 2016-08-31 | 2017-01-25 | 张明鑫 | Independent dedusting demisting tower comprising two stages of dynamic centrifugal demisters |
-
2011
- 2011-10-17 CN CN2011203920568U patent/CN202224006U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389675A (en) * | 2011-10-17 | 2012-03-28 | 史汉祥 | Demister for moving bed |
| CN106345183A (en) * | 2016-08-31 | 2017-01-25 | 张明鑫 | Independent dedusting demisting tower comprising two stages of dynamic centrifugal demisters |
| CN106345183B (en) * | 2016-08-31 | 2018-07-20 | 张明鑫 | A kind of independent dedusting deentrainment tower of two-stage dynamic centrifugal demister composition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO TAI CHI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. Assignor: Shi Hanxiang Contract record no.: 2014330000011 Denomination of utility model: Demister for moving bed Granted publication date: 20120523 License type: Exclusive License Record date: 20140126 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |