CN105664596A - Reverse-flow type boiler dust remover - Google Patents
Reverse-flow type boiler dust remover Download PDFInfo
- Publication number
- CN105664596A CN105664596A CN201610145650.4A CN201610145650A CN105664596A CN 105664596 A CN105664596 A CN 105664596A CN 201610145650 A CN201610145650 A CN 201610145650A CN 105664596 A CN105664596 A CN 105664596A
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- Prior art keywords
- housing
- flow type
- return
- dust remover
- type boiler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses a reverse-flow type boiler dust remover which comprises a shell. The upper end of the shell is connected with an upper shell cover, and the lower end of the shell is connected with a lower shell cover. The lower end of the lower shell cover is connected with a dust collecting opening. An air inlet is formed in the upper portion of the shell, and an inner rotating pipe is axially arranged in the shell, and extends upwards out of the shell to form an exhaust opening. A separation plate with a round hole in the center to allow the inner rotating pipe to penetrate is arranged in the shell, and divides the shell into an upper cavity and a lower cavity. A flow guide cover is arranged at the position, in the lower cavity, of the lower portion of the inner rotating pipe, and a dividing pipe is arranged between the separation plate and the flow guide cover. A baffle is arranged on the lower portion of the lower cavity, and the baffle is connected with a dust collecting pipe downwards. A return pipe which enables the upper cavity and the lower cavity to be communicated and is communicated with the dust collecting pipe is arranged outside the shell. By means of the design, the reverse-flow type boiler dust remover is simple in structure and reliable in running, the dust removal efficiency can reach 90% or above, and wide application prospects are achieved.
Description
Technical field
The invention belongs to a kind of fly-ash separator, it is specifically related to a kind of return-flow type boiler dust remover.
Background technology
At present, in boiler industry, most of boiler dust removal equipment separation efficiency is low, and boiler expellant gas contains a large amount of dirt particles, and Air Pollutant Emission is not up to standard, causes the severe contamination of air and surrounding enviroment. Boiler dust removal equipment price general charged is high, and the strict law enforcement of environmental administration and great dynamics fine, seriously have impact on the normal production of enterprise, cause huge economic pressures and property damage to enterprise in addition. For solving an above-mentioned difficult problem, a kind of efficient, reliable, economic boiler dust removal equipment of urgent needs.
The current common method of gas solid separation has: the separation of filtering separation, gravity inertial, centrifugal settling separation. Wherein, the method separation efficiency of filtering separation is not high, poor reliability; Gravity inertial separation needs bigger floor space, and separation efficiency is not high yet. In actual applications, it may also be useful to general is centrifugal settling separation, and major equipment is Cyclonic separating apparatus, and separation efficiency is only about 60%, and treatment capacity is also less, still can not meet the needs of actual production.
Summary of the invention
The present invention is exactly to solve the not high problem of existing boiler dust remover efficiency of dust collection, a kind of return-flow type boiler dust remover proposed.
The present invention realizes according to following technical scheme.
A kind of return-flow type boiler dust remover, comprises housing, and the upper end of housing is connected with upper cover, and lower end is connected with lower cover, and the lower end of lower cover connects dust collecting opening; Being provided with inlet mouth on the top of housing, be axially arranged with interior coil in enclosure interior, interior coil forms venting port outside extending upwardly to housing; Being provided with the central dividing plate passed with circular hole for interior coil in described enclosure interior, housing is divided into upper and lower two cavitys by dividing plate; Interior coil bottom in lower chamber is provided with pod, is provided with isocon between described dividing plate and pod; Being provided with baffle plate in the bottom of described lower chamber, baffle plate is connected with dust leg downwards;It is provided with the return line being connected with dust leg of upper cavity with lower chamber conducting in the outside of described housing.
Described dividing plate is the plectane tilted, and the height of plectane lower-most point is identical with the height of inlet mouth upper edge; The angle of dividing plate inclined-plane and horizontal plane is 22 ~ 26 °.
Being provided with deep-slotted chip breaker on interior coil in described upper cavity, the height of deep-slotted chip breaker is 18～22 millimeters; Arc length is 30～50 millimeters.
Cylindrical outer wall by the 1/2 of the gas of inlet mouth and isocon is tangent.
Described upper cover is oval, and lower cover is taper; The bottom of interior coil is bell-mouth structure of air, and baffle plate is v-shaped structure.
The angle α of described inner walls and housing cross section is 78～86 °.
The height of described housing is 5.8:1～6.2:1 with the ratio of internal diameter.
The internal diameter of described inlet mouth is 0.28:1～0.58:1 with the ratio of the internal diameter of housing.
Described inlet mouth is 0.6:1～1.6:1 along the ratio of distance and the internal diameter of housing to case top.
The internal diameter of described return line is 0.22:1～0.42:1 with the ratio of the internal diameter of housing.
Present invention obtains following useful effect.
The present invention effectively solves the not high problem of existing boiler dust remover efficiency of dust collection. The present invention of design can effectively remove dirt particles a large amount of in boiler emission gas like this, reduces the pollution of air and surrounding enviroment, also mitigates the production pressure of enterprise simultaneously, decreases financial loss. Present configuration is simple, reliable, and efficiency of dust collection can reach more than 90%, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the vertical view of the present invention.
Wherein: 1 housing 2 inlet mouth
3 isocon 4 pods
5 baffle plate 6 dust legs
7 dust collecting opening 8 return lines
Coil 10 dividing plate in 9
11 venting ports.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
As shown in Figure 1, 2, a kind of return-flow type boiler dust remover, comprises housing 1, and the upper end of housing 1 is connected with upper cover, and lower end is connected with lower cover, and the lower end of lower cover connects dust collecting opening 7; Being provided with circular inlet mouth 2 on the top of housing 1, be axially arranged with interior coil 9 in housing 1 inside, interior coil 9 extends upwardly to housing 1 outer formation venting port 11; Be provided with the dividing plate 10 that central authorities are passed for interior coil 9 with circular hole in described housing 1 inside, housing 1 is divided into upper and lower two cavitys by dividing plate 10; Interior coil 9 bottom in lower chamber is provided with the pod 4 of cylinder shape, and the upper edge of pod 4, lower than the lower edge of inlet mouth 2, is provided with isocon 3 between described dividing plate 10 and pod 4; Being provided with baffle plate 5 in the bottom of described lower chamber, leave certain space between baffle plate 5 outer rim and housing 1 inwall, baffle plate 5 center has circular hole, and baffle plate 5 is connected with dust leg 6 downwards; Being provided with the return line 8 being connected with dust leg 6 of upper cavity with lower chamber conducting in the outside of described housing 1, the upper end of return line 8 is connected to the lower end of upper cavity, puts down together with dividing plate 10 lower-most point.
Dividing plate 10 is the plectane tilted, and the height of plectane lower-most point is identical with the height of inlet mouth 2 upper edge; The angle of dividing plate 10 inclined-plane and horizontal plane is 22 ~ 26 °.
Being provided with deep-slotted chip breaker on interior coil 9 in described upper cavity, the height of deep-slotted chip breaker is 18～22 millimeters; Arc length is 30～50 millimeters.
Tangent by controlling the cylindrical outer wall that the internal diameter of isocon 3 or isocon 3 outer wall realize the gas of inlet mouth 2 and the 1/2 of isocon 3 to the distance of inlet mouth 2.Described isocon is ceramic material.
Described upper cover is oval, and lower cover is taper; The bottom of interior coil 9 is bell-mouth structure of air, and baffle plate 5 is v-shaped structure.
The angle α of described housing 1 inwall and housing 1 cross section is 78～86 °.
The height of described housing 1 is 5.8:1～6.2:1 with the ratio of internal diameter.
The internal diameter of described inlet mouth 2 is 0.28:1～0.58:1 with the ratio of the internal diameter of housing 1.
Described inlet mouth 2 is 0.6:1～1.6:1 along the ratio of distance and the internal diameter of housing 1 to housing 1 top.
The internal diameter of described return line 8 is 0.22:1～0.42:1 with the ratio of the internal diameter of housing 1.
The working process of the present invention is: when boiler emission gas tangentially enters housing 1 by inlet mouth 2, half gas tangentially rotates downwards, under the influence of centrifugal force, the particle that density is bigger is got rid of to housing 1 inwall, owing to the effect of gravity drops to bottom housing 1, 1/2 column part of second half gas and isocon 3 outer wall collides, it is formed in the turbulent flow that air-flow in housing 1 with downward collides mutually, owing to temperature is higher, the chance that molecule in air-flow clashes into mutually is increased, form larger particles, drop to the probability bottom housing 1 to increase, thus improve separating effect, first time has been separated like this. the air-flow being rotated down, after pod 4, defines local mixing flow field fast, make the molecule contained in air-flow collide condensation merge, formed sedimentation, complete second time gas solid separation. rotate downward air-flow to turn to through baffle plate 5, due to the effect of centrifugal force, in interior coil 9, complete third time gas solid separation. being provided with gap on interior coil 9 in upper cavity, the particle isolated throws away from gap, returns lower chamber through return line 8. gas after three gas solid separation is discharged through venting port 11 by interior coil 9, and particle collects bottom housing 1, is discharged outside housing by dust collecting opening 7.
Claims (10)
1. a return-flow type boiler dust remover, comprises housing (1), it is characterised in that: the upper end of housing (1) is connected with upper cover, and lower end is connected with lower cover, and the lower end of lower cover connects dust collecting opening (7); Being provided with inlet mouth (2) on the top of housing (1), be axially arranged with interior coil (9) in housing (1) inside, interior coil (9) extends upwardly to housing (1) and forms venting port (11) outward; Be provided with the dividing plate (10) that central authorities are passed for interior coil (9) with circular hole in described housing (1) inside, housing (1) is divided into upper and lower two cavitys by dividing plate (10); Interior coil (9) bottom in lower chamber is provided with pod (4), is provided with isocon (3) between described dividing plate (10) and pod (4); Be provided with baffle plate (5) in the bottom of described lower chamber, baffle plate (5) is connected with dust leg (6) downwards; It is provided with the return line (8) being connected with dust leg (6) of upper cavity with lower chamber conducting in the outside of described housing (1).
2. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: described dividing plate (10) is the plectane tilted, and the height of plectane lower-most point is identical with the height of inlet mouth (2) upper edge; The angle of dividing plate (10) inclined-plane and horizontal plane is 22 ~ 26 °.
3. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: being provided with deep-slotted chip breaker on the interior coil (9) in described upper cavity, the height of deep-slotted chip breaker is 18～22 millimeters; Arc length is 30～50 millimeters.
4. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the cylindrical outer wall by the 1/2 of the gas of inlet mouth (2) and isocon (3) is tangent.
5. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: described upper cover is oval, and lower cover is taper; The bottom of interior coil (9) is bell-mouth structure of air, and baffle plate (5) is v-shaped structure.
6. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the angle α of described housing (1) inwall and housing (1) cross section is 78～86 °.
7. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the height of described housing (1) is 5.8:1～6.2:1 with the ratio of internal diameter.
8. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the ratio of the internal diameter of described inlet mouth (2) and the internal diameter of housing (1) is 0.28:1～0.58:1.
9. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the upper ratio along the internal diameter to the distance at housing (1) top and housing (1) of described inlet mouth (2) is 0.6:1～1.6:1.
10. a kind of return-flow type boiler dust remover according to claim 1, it is characterised in that: the ratio of the internal diameter of described return line (8) and the internal diameter of housing (1) is 0.22:1～0.42:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145650.4A CN105664596B (en) | 2016-03-15 | 2016-03-15 | Reverse-flow type boiler dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145650.4A CN105664596B (en) | 2016-03-15 | 2016-03-15 | Reverse-flow type boiler dust remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105664596A true CN105664596A (en) | 2016-06-15 |
| CN105664596B CN105664596B (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610145650.4A Active CN105664596B (en) | 2016-03-15 | 2016-03-15 | Reverse-flow type boiler dust remover |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103634A (en) * | 1987-05-16 | 1988-03-09 | 丁守宝 | Combined cyclone |
| CN2284108Y (en) * | 1996-08-29 | 1998-06-17 | 刘沛宪 | Multi-tube cyclone duster |
| US20030106858A1 (en) * | 1997-11-01 | 2003-06-12 | Btg International Limited. | Separation of solid particulate materials from fluid streams |
| CN202447141U (en) * | 2011-12-17 | 2012-09-26 | 铜陵市镜铁粉厂 | Return dedusting device for Raymond mill |
| CN202555424U (en) * | 2012-04-26 | 2012-11-28 | 杭州化工机械有限公司 | High-efficiency backflow dedusting system |
| CN104069705A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Dust remover |
| CN205461411U (en) * | 2016-03-15 | 2016-08-17 | 核工业理化工程研究院华核新技术开发公司 | Backward flow formula dust removal for boiler ware |
-
2016
- 2016-03-15 CN CN201610145650.4A patent/CN105664596B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103634A (en) * | 1987-05-16 | 1988-03-09 | 丁守宝 | Combined cyclone |
| CN2284108Y (en) * | 1996-08-29 | 1998-06-17 | 刘沛宪 | Multi-tube cyclone duster |
| US20030106858A1 (en) * | 1997-11-01 | 2003-06-12 | Btg International Limited. | Separation of solid particulate materials from fluid streams |
| CN202447141U (en) * | 2011-12-17 | 2012-09-26 | 铜陵市镜铁粉厂 | Return dedusting device for Raymond mill |
| CN202555424U (en) * | 2012-04-26 | 2012-11-28 | 杭州化工机械有限公司 | High-efficiency backflow dedusting system |
| CN104069705A (en) * | 2014-07-29 | 2014-10-01 | 广西众昌树脂有限公司 | Dust remover |
| CN205461411U (en) * | 2016-03-15 | 2016-08-17 | 核工业理化工程研究院华核新技术开发公司 | Backward flow formula dust removal for boiler ware |
Non-Patent Citations (2)
| Title |
|---|
| 管国锋，赵汝溥主编: "《化工原理 第3版》", 31 July 2008, 化学工业出版社 * |
| 龚佰勋主编: "《环保设备设计手册 固体废物处理设备》", 30 June 2004, 化学工业出版社 * |
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| Publication number | Publication date |
|---|---|
| CN105664596B (en) | 2018-06-26 |
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Address after: 300384 The Tianjin City Huayuan Industrial Zone Development Road six No. 6 Haitai green industry base building J room 104 Applicant after: China core (Tianjin) New Technology Development Co., Ltd. Address before: 300384 Tianjin hi tech District of Xiqing City Huayuan Industrial Zone Development six road No. 6 Haitai green industry base building J room 104 Applicant before: Huahe New Technology Development Company, Research Institute of Physical and Chemical Engineering of Nuclear Industry |
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Effective date of registration: 20200305 Address after: 300180, No. 168 Jintang Road, Hedong District, Tianjin Patentee after: Inst. of Physics and Chemistry Engineering Address before: The 300384 Tianjin City Huayuan Industrial Zone Development Road six No. 6 Haitai green industry base building J room 104 Patentee before: China core (Tianjin) New Technology Development Co., Ltd. |