CN205269245U - Desulfurizing tower exhaust pass defogging device with guide plate - Google Patents
Desulfurizing tower exhaust pass defogging device with guide plate Download PDFInfo
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- CN205269245U CN205269245U CN201620027622.8U CN201620027622U CN205269245U CN 205269245 U CN205269245 U CN 205269245U CN 201620027622 U CN201620027622 U CN 201620027622U CN 205269245 U CN205269245 U CN 205269245U
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- flue
- flow deflector
- mist
- defogging mechanism
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Abstract
The utility model discloses a desulfurizing tower exhaust pass defogging device with guide plate, including a set of flue cross section that transversely runs through, vertical defogging mechanism that is ladder series arrangement that arranges along flue gas flow direction from high order on earth, the built -in a set of slope setting of each defogging mechanism just is the oblique baffle of defogging of cascaded interval arrangement, the both ends of defogging mechanism are respectively through right angle component and flue curb plate face fixed connection, the below cooperation of the oblique baffle of lower floor's defogging of bottom defogging mechanism sets up an album liquid discharge pit, the inlet set of flue has the guide plate, the guide plate transversely runs through the flue cross section, and with flue curb plate face seal fixed connection, the top of guide plate and the top seal fixed connection of flue. The utility model discloses a guide plate becomes slant conveying down with the flue gas quick switching of level motion to accelerate turning to of flue gas, shorten horizontal gas pass's length, reduced the space that the flue occupy, practiced thrift the flue cost.
Description
Technical field
The utility model relates to a kind of thionizer exhaust pass demister with flow deflector.
Background technology
At present, the flue gas desulfurization (FGD) unit more than 90% of domestic and international large-scale coal unit adopts limestone-gypsum wet desulfuration technique, because being subject to various factors restriction, mist eliminator set in this technique thionizer is difficult to reach optimal except fog effect, the neat stress discharged in tower after desulfurization can carry a certain amount of drop secretly, these drops carry a lot of flying dust, Wingdale and gypsum and other solid particulate matter, if do not carried out de-further removing, following disadvantageous effects will be caused: 1) when desulphurization system arranges GGH (flue gas-flue gas heat exchange device) equipment, solid particulate matter in drop can deposit on the circulation wall face sticking to GGH, it is difficult to blow and sweeps totally, not only can increase the operation resistance of desulfurization fume system, when situation is serious, GGH equipment also can be caused to block, whole system is caused to stop transport, 2) when desulphurization system is not established GGH equipment, drop can be carry discharge chimney by swiftly flowing flue gas, because of flue-gas temperature now only about 50 DEG C, flue gas can not effectively lifting and diffusion, drop descends slowly and lightly near plant area by concentrating, formed " gypsum rain ", the environment of power plant and surrounding area is polluted.
Chinese patent (the patent No.: 2013205440174) disclose thionizer exhaust pass built-up type demister, it is applicable in the horizontal flue after being arranged on absorption tower outlet, laterally run through flue cross sectional arrangement, longitudinally require to arrange many groups in descending order according to air flue horizontal segment length and except mist, descend most group near stack base, due to gas in flue gas, there is difference in density and the proportion of liquid two-phase, there is different flow features, in swiftly flowing flue gas, the motion of drop in horizontal flue is in downward parabolic type, after certain level distance, drop is presented in flue gas and is dredged lower close state distribution, focus on stack base region gradually. utilize this characteristic, set up the demister of one group of ladder order arrangement, under the prerequisite significantly not increasing flowpath pressure, flue gas is carried out repeatedly except mist, it is to increase demisting efficiency. but, although such structure can improve demisting efficiency greatly, but, to wait until that the drop in the flue gas of tangential movement parabolically drops to stack base, it is necessary to longer flue, in actual use, longer flue can take bigger place.
Through observing, the tangential movement speed of flue gas is generally less than or equals 15m/s, completely then that the length requirement of flue is higher to the demister of stack base by the freely falling body of drop in flue gas, by arranging flue top flow deflector, initiatively change the direction of inlet mouth hori-zontal flue gas, make the angle that flue gas sets according to flow deflector, parabolically drop on the demister of stack base fast, carrying out gas-liquid separation, drop, by layer landing, finally enters liquid collecting letdown tank by effective elimination.
Practical novel content
For the problems referred to above, the utility model provides and a kind of arranges flow deflector in horizontal flue, by hori-zontal flue gas fast steering to the thionizer exhaust pass demister with flow deflector obliquely, thus greatly shorten the length of horizontal flue, reducing the construction costs so that the flue of same length can be applicable to the flue gas of different levels movement velocity.
The technical solution adopted in the utility model is:
A kind of thionizer exhaust pass demister with flow deflector, comprise one group and laterally run through flue cross section, the defogging mechanism of the arrangement in ladder order longitudinally arranged in descending order along flow of flue gas direction, each defogging mechanism built-in one group be obliquely installed and be spaced in staged except mist sloping baffle, the two ends of defogging mechanism are fixedly connected with flue lateral plates by right angle component respectively, the lower section that the orlop of lowest layer defogging mechanism removes mist sloping baffle is equipped with liquid collecting letdown tank, the inlet mouth of described flue is provided with flow deflector, described flow deflector laterally runs through flue cross section, and be sealedly and fixedly connected with flue lateral plates, the top of flow deflector is fixedly connected with the top seal of flue.
Become to transmit obliquely by the flue gas rapid translating of tangential movement by flow deflector, thus accelerate turning to of drop in flue gas, flue gas quick washing after turning to is on mist sloping baffle, carry out gas-liquid separation, shorten the length of horizontal flue, reduce the space that flue takies, save flue cost, flow deflector is fixedly connected with flue upper side panel face seal, the mode of connection that sealing is fixed can prevent partial fume from directly carrying out level transmission by the gap between flow deflector and flue top, drop in this partial fume can be separated with gas completely, that reduces device removes fog effect.
As preferably, the inclined angle alpha of described flow deflector and horizontal direction is 30��70 ��.
As preferably, described in the tiltangle�� except mist sloping baffle and horizontal direction that is obliquely installed be 30 �㡫70 ��, �� is greater than ��.
When �� equals ��, the direction of motion of flue gas is parallel with the plate face except mist sloping baffle, and flue gas just cannot impact on the plate face except mist sloping baffle, cannot carry out gas-liquid separation; When �� is greater than ��, the direction of motion of flue gas is away from the plate face except mist sloping baffle, now, flue gas cannot impact on the plate face except mist sloping baffle, cannot carry out gas-liquid separation, therefore, when only �� is less than ��, the direction of motion of flue gas is that flue gas just can impact except, on mist sloping baffle, carrying out gas-liquid separation towards the plate face except mist sloping baffle.
As preferably, described flow deflector has at least two pieces, arranged in parallel up and down between flow deflector, form flow deflector group, the flow deflector of top and the inside top of flue are sealedly and fixedly connected.
Carry out water conservancy diversion by polylith flow deflector, there is certain shunting action, it is possible to flue gas is turned to comparatively evenly and impacts except on mist sloping baffle, it is to increase except fog effect, extend the work-ing life of flow deflector.
As preferably, described flow deflector group has at least two groups, is successively set on the top of flue.
Flue gas through first group of flow deflector group of floss hole impact except on mist sloping baffle except mist after, a large amount of drop sticks to except on mist sloping baffle, and small part drop upwards moves along with flue gas, now, through the water conservancy diversion of next group flow deflector group, flue gas turns to downwards again, and impacts next group and carry out except mist except on mist sloping baffle, thus substantially increases except fog effect.
As preferably, described one group except mist sloping baffle be that staged is spaced and two ends are separately fixed on side plate, side plate is fixedly connected with right angle component.
As preferably, adjacent two defogging mechanism total heights are less than the twice of the height of single defogging mechanism, i.e. one group of defogging mechanism of the arrangement in ladder order, the distance moved under rear class defogging mechanism is less than the height of single defogging mechanism; Between adjacent two defogging mechanism, spacing along flue gas direction is not less than the twice of the height of single defogging mechanism.
As preferably, between the described neighbouring two-stage except mist sloping baffle being spaced in staged, overlapping in the vertical direction and subordinate is positioned at the top of higher level except the lower edge of mist sloping baffle except the upper edge of mist sloping baffle.
As preferably, the orlop of described lowest layer defogging mechanism is except stretching into liquid collecting letdown tank in mist sloping baffle bottom, and the interlocking of liquid collecting letdown tank is arranged in flue base surface.
As preferably, the orlop of defogging mechanism except the lower edge of mist sloping baffle lower than the superiors of rear class defogging mechanism except the upper edge of mist sloping baffle.
The flue gas rapid translating of tangential movement is become to transmit obliquely by the utility model by flow deflector, thus accelerate turning to of flue gas, flue gas quick washing after turning to is on mist sloping baffle, carry out gas-liquid separation, shorten the length of horizontal flue, reduce the space that flue takies, save flue cost, after drop in flue gas hits previous stage demister, to rear class demister landing under the high speed impact and top pressure of follow-up flue gas, enable the drop collected from top to bottom along demister at different levels by layer landing, finally enter liquid collecting letdown tank by effective elimination, the current intelligence of gas phase portion in flue gas can also be improved, be conducive to reducing further the operation resistance of device, achieve and flue gas is carried out repeatedly except mist under the prerequisite significantly not increasing flowpath pressure, improve demisting efficiency, effectively alleviate blocking GGH equipment, form relevant disadvantageous effects such as " gypsum rains ".
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is that described defogging mechanism connects structural representation;
Fig. 3 is the connection structural representation of described lowest layer defogging mechanism.
In figure: 1-defogging mechanism, 1a-side plate, 1b-except mist sloping baffle, 2-right angle component, 3-liquid collecting letdown tank, 4-flue base surface, 5-flue lateral plates, 6-strengthen win in succession, 7-flow deflector, 8-flow deflector group.
Embodiment
Below by specific embodiment and by reference to the accompanying drawings the utility model is described in further detail.
Such as Fig. 1, 2, shown in 3, a kind of thionizer exhaust pass demister with flow deflector, comprise one group and laterally run through flue cross section, the defogging mechanism 1 of the arrangement in ladder order longitudinally arranged in descending order along flow of flue gas direction, the inlet mouth of flue is provided with flow deflector 7, become to move obliquely by the flue gas rapid translating of tangential movement by flow deflector 7, flow deflector 7 laterally runs through flue cross section, and be sealedly and fixedly connected with flue lateral plates 5, flow deflector 7 and flue lateral plates 5 are sealedly and fixedly connected, the mode of connection that sealing is fixed can prevent partial fume from directly carrying out level transmission by the gap between flow deflector 7 and flue, drop in this partial fume can be separated with gas completely, that reduces device removes fog effect, the mode being sealedly and fixedly connected makes flue gas all to be impacted obliquely by flow deflector 7, the pitch angle of flow deflector 7 and horizontal direction is �� is 30��70 ��, flow deflector 7 has at least two pieces, between flow deflector 7 arranged in parallel up and down, form flow deflector group 8, flow deflector group 8 has at least two groups, it is successively set on the top of flue, the flow deflector 7 of top is sealedly and fixedly connected with the inside top of flue, water conservancy diversion is carried out by polylith flow deflector 7, there is certain shunting action, flue gas can be made to turn to be impacted except on mist sloping baffle 1b comparatively evenly, improve except fog effect, extend the work-ing life of flow deflector 7, the design of multiple flow deflector group 8, flue gas through first group of flow deflector group 8 of floss hole impact except on mist sloping baffle 1b except mist after, a large amount of drop sticks to except on mist sloping baffle 1b, and small part drop upwards moves along with flue gas, now, through the water conservancy diversion of next group flow deflector group 8, flue gas turns to downwards again, and impact next group except mist sloping baffle 1b carrying out except mist, thus substantially increase except fog effect, lowest layer defogging mechanism 1 arrange near stack base, namely the height of single defogging mechanism 1 illustrates 20% that H value is not more than flue height overall, less to ensure the flue resistance at each defogging mechanism 1 place, the twice that between adjacent two defogging mechanism 1, spacing along flue gas direction is not less than the height of single defogging mechanism 1 is to ensure the independence that single defogging mechanism 1 works, the total height of adjacent two defogging mechanism 1 is less than the twice of the height of single defogging mechanism 1, i.e. one group of defogging mechanism 1 of the arrangement in ladder order, the distance that rear class defogging mechanism is moved for 1 time is less than the height of single defogging mechanism 1, on, between lower adjacent defogging mechanism 1, the height of overlapping part is not less than 5mm, defogging mechanism 1 built-in one group be obliquely installed and be spaced in staged except mist sloping baffle 1b, except the tiltangle�� of mist sloping baffle 1b and horizontal direction is 30 �㡫70 ��, between the neighbouring two-stage except mist sloping baffle 1b being spaced in staged, overlapping in the vertical direction and subordinate is positioned at the top of higher level except the lower edge of mist sloping baffle 1b except the upper edge of mist sloping baffle 1b, for guaranteeing can to impact except on mist sloping baffle 1b through the flue gas of flow deflector 7 water conservancy diversion, �� must be greater than ��, when �� equals ��, the direction of motion of flue gas is parallel with the plate face except mist sloping baffle 1b, flue gas just cannot impact on the plate face except mist sloping baffle 1b, gas-liquid separation cannot be carried out, when �� is greater than ��, the direction of motion of flue gas is away from the plate face except mist sloping baffle 1b, now, flue gas cannot impact on the plate face except mist sloping baffle 1b, cannot carry out gas-liquid separation, therefore, when only �� is less than ��, the direction of motion of flue gas is that flue gas just can impact except on mist sloping baffle 1b, carries out gas-liquid separation towards the plate face except mist sloping baffle 1b,Design being guaranteed, the superior and the subordinate in same defogging mechanism 1 are not less than 3mm except the height in the vertical direction of the overlapping part between mist sloping baffle 1b, namely the h1 shown in Fig. 2 should be not less than 3mm, the orlop of prime flue defogging mechanism 1 except the lower edge of mist sloping baffle 1b lower than the superiors of rear class flue defogging mechanism 1 except the upper edge of mist sloping baffle 1b, the height of overlapping part is not less than 5mm, namely h shown in Fig. 1 should be not less than 5mm, in same defogging mechanism 1 one group removes mist sloping baffle 1b two ends and is separately fixed at side plate 1a, it is spaced structure except staged more than mist sloping baffle 1b employing level Four or level Four is oblique, according to the cross section span size in flue and welding condition during design, except the width d of mist sloping baffle 1b is generally between 80��200mm, and the span of the thick �� of its plate generally should between 2mm��10mm, to guarantee that the mist sloping baffle 1b that removes at different levels can meet strength and stiffness requirement, in order to effectively reduce operation load and the cost of manufacture of complete assembly, it is convenient to in-site installation and upgrades safeguard, except mist sloping baffle 1b can take thinner board making, then win in succession neighbouring 6 carry out connection reinforcement except welding between mist sloping baffle 1b arranges reinforcement, make that at different levels to be connected to become one light and handy and firm except mist sloping baffle 1b, there is the entirety of enough rigidity, side plate 1a is connected on right angle component 2, right angle component 2 is fixedly connected with flue lateral plates 5 by bolt, it is shaping that right angle component 2 can adopt channel-section steel to make, it is equipped with rubber sheet gasket during installation between right angle component 2 with flue lateral plates 5 and forms soft connection, the anticorrosion lining of flue lateral plates 5 inwall can be avoided to receive infringement, and adopt threaded fastener to connect structure, can effectively reduce welding job when installing in flue, improve the security against fire reliability of site operation, also be conducive to follow-up being upgraded by device and safeguarding, the lower section that the orlop of lowest layer defogging mechanism 1 removes mist sloping baffle 1b is equipped with liquid collecting letdown tank 3, liquid collecting letdown tank 3 interlocking is arranged in flue base surface 4, the height dimension that the orlop of lowest layer defogging mechanism 1 stretches into liquid collecting letdown tank 3 except mist sloping baffle 1b bottom is not less than 3mm, namely h2 shown in Fig. 1 should be not less than 3mm.
Gas in flue gas, there is difference in density and the proportion of liquid two-phase, there is different flow features, in swiftly flowing flue gas, the tangential movement of flue gas in horizontal flue, after the water conservancy diversion of flow deflector 7, the flow direction of flue gas is changed into rapidly and moves obliquely, the flue gas moved obliquely strikes except on mist sloping baffle 1b, flue gas is through clashing into, drop in flue gas can stick to except on mist sloping baffle 1b, and flow downward to liquid collecting letdown tank 3 along with except mist sloping baffle 1b, thus achieve the gas-liquid separation in flue gas, through the multistage separation except mist sloping baffle 1b, drop in flue gas can be removed completely totally, the utility model is by shorter flue, just can remove the drop in flue gas completely, the flue length greatly shortened, reduce production cost and space that flue takies, also have extraordinary except liquid effect simultaneously, no matter the tangential movement speed of flue gas how soon, can both be undertaken thoroughly except mist by this flue.
Claims (10)
1. one kind has the thionizer exhaust pass demister of flow deflector, comprise one group and laterally run through flue cross section, the defogging mechanism (1) of the arrangement in ladder order longitudinally arranged in descending order along flow of flue gas direction, each defogging mechanism (1) built-in one group be obliquely installed and be spaced in staged except mist sloping baffle (1b), the two ends of defogging mechanism (1) are fixedly connected with flue lateral plates (5) by right angle component (2) respectively, the lower section that the orlop of lowest layer defogging mechanism (1) removes mist sloping baffle (1b) is equipped with liquid collecting letdown tank (3), it is characterized in that, the inlet mouth of described flue is provided with flow deflector (7), described flow deflector (7) laterally runs through flue cross section, and be sealedly and fixedly connected with flue lateral plates (5), the top of flow deflector (7) is fixedly connected with the top seal of flue, it is arranged in flue top, play drainage.
2. the thionizer exhaust pass demister with flow deflector according to claim 1, it is characterised in that, described flow deflector (7) is 30��70 �� with the inclined angle alpha of horizontal direction.
3. the thionizer exhaust pass demister with flow deflector according to claim 2, it is characterised in that, described in the tiltangle�� except mist sloping baffle (1b) and horizontal direction that is obliquely installed be 30 �㡫70 ��, �� is greater than ��.
4. the thionizer exhaust pass demister with flow deflector according to claim 1 or 2 or 3, it is characterized in that, described flow deflector (7) has at least two pieces, between flow deflector (7) arranged in parallel up and down, forming flow deflector group (8), the flow deflector (7) of top and the inside top of flue are sealedly and fixedly connected.
5. the thionizer exhaust pass demister with flow deflector according to claim 4, it is characterised in that, described flow deflector group (8) has at least two groups, is successively set on the top of flue.
6. the thionizer exhaust pass demister with flow deflector according to claim 5, it is characterized in that, described one group is spaced in staged except mist sloping baffle (1b) and two ends are separately fixed on side plate (1a), and side plate (1a) is fixedly connected with right angle component (2).
7. the thionizer exhaust pass demister with flow deflector according to claim 6, it is characterized in that, adjacent two defogging mechanism (1) total heights are less than the twice of the height of single defogging mechanism (1), i.e. one group of defogging mechanism (1) of the arrangement in ladder order, the distance moved under rear class defogging mechanism (1) is less than the height of single defogging mechanism (1); Between adjacent two defogging mechanism (1), spacing along flue gas direction is not less than the twice of the height of single defogging mechanism (1).
8. the thionizer exhaust pass demister with flow deflector according to claim 7, it is characterized in that, between the described neighbouring two-stage except mist sloping baffle (1b) being spaced in staged, overlapping in the vertical direction and subordinate is positioned at the top of higher level except the lower edge of mist sloping baffle (1b) except the upper edge of mist sloping baffle (1b).
9. the thionizer exhaust pass demister with flow deflector according to claim 8, it is characterized in that, the orlop of described lowest layer defogging mechanism (1) is except stretching into liquid collecting letdown tank (3) in mist sloping baffle (1b) bottom, and liquid collecting letdown tank (3) interlocking is arranged in flue base surface (4).
10. the thionizer exhaust pass demister with flow deflector according to claim 9, it is characterized in that, the orlop of defogging mechanism (1) except the lower edge of mist sloping baffle (1b) lower than the superiors of rear class defogging mechanism (1) except the upper edge of mist sloping baffle (1b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027622.8U CN205269245U (en) | 2016-01-12 | 2016-01-12 | Desulfurizing tower exhaust pass defogging device with guide plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027622.8U CN205269245U (en) | 2016-01-12 | 2016-01-12 | Desulfurizing tower exhaust pass defogging device with guide plate |
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| CN205269245U true CN205269245U (en) | 2016-06-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194163A (en) * | 2017-12-22 | 2018-06-22 | 江苏理工学院 | A kind of Wave-proof type crankcase bleeder |
| CN108825350A (en) * | 2018-05-28 | 2018-11-16 | 芜湖岭上信息科技有限公司 | A kind of automobile engine cooling fan wind shelling cover |
| CN113235135A (en) * | 2021-04-02 | 2021-08-10 | 沈阳铝镁设计研究院有限公司 | Pipeline system is collected to electrolysis trough upper portion flue gas |
-
2016
- 2016-01-12 CN CN201620027622.8U patent/CN205269245U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194163A (en) * | 2017-12-22 | 2018-06-22 | 江苏理工学院 | A kind of Wave-proof type crankcase bleeder |
| CN108825350A (en) * | 2018-05-28 | 2018-11-16 | 芜湖岭上信息科技有限公司 | A kind of automobile engine cooling fan wind shelling cover |
| CN113235135A (en) * | 2021-04-02 | 2021-08-10 | 沈阳铝镁设计研究院有限公司 | Pipeline system is collected to electrolysis trough upper portion flue gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Daoyuan Inventor after: Li Bingcheng Inventor after: Dan Xinyu Inventor after: Bao Feihua Inventor after: Weng Lingang Inventor before: Li Daoyuan Inventor before: Li Bingcheng Inventor before: Dan Xinyu Inventor before: Bao Feihua Inventor before: Weng Lingang |
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| COR | Change of bibliographic data |