CN209084799U - Resistance-adjustable type roof enclosure - Google Patents
Resistance-adjustable type roof enclosure Download PDFInfo
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- CN209084799U CN209084799U CN201821769337.9U CN201821769337U CN209084799U CN 209084799 U CN209084799 U CN 209084799U CN 201821769337 U CN201821769337 U CN 201821769337U CN 209084799 U CN209084799 U CN 209084799U
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- cover body
- main cover
- dust hood
- resistance
- exhaust gases
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Abstract
The utility model relates to a kind of resistance-adjustable type roof enclosures, including for being fixed at the top of workshop on steel construction and in vertical direction higher than the main cover body of overhead traveling crane, main cover body top surface blocks, upper side offers the exhanst gas outlet being connected to the cleaning shaft of workshop, be characterized in that: main cover body is rectangular-shape, the main cover body lower edge is fixed with up-narrow and down-wide tetrapyamid shape pod, dust hood in being separately arranged in the main cover body, the interior dust hood is upper, under be open rectangular-shape cylinder, the top of interior dust hood is communicated with main cover body, its internal main suction smoke-gas area of formation, spacing is kept between the four sides side wall of interior dust hood and the four sides side wall of main cover body and is respectively formed exhaust gases passes, four exhaust gases passes, which are interconnected, forms secondary suction smoke-gas area, resistance regulation part is respectively equipped in each exhaust gases passes, flue gas goes out Mouth is equipped with regulating valve.Its structure is simple, using reliable, fundamentally solves the problems, such as that existing roof enclosure energy consumption is excessive, wasting.
Description
Technical field
The utility model relates to industrial enclosures, especially a kind of resistance-adjustable type roof enclosure, are suitable for industry
Smelting furnace workshop dust pelletizing system, such as electric furnace, converter, refining furnace, it can also be used to other occasions for needing factory roof dedusting.
Background technique
Flue gas trapping is the important component of dust pelletizing system, sets the dust hood (smoke evacuation of certain area in dirt source point
Cover), the flue dust generated to dirt source is collected, and under the action of dust pelletizing system blower negative pressure, enters deduster by pipeline
Atmosphere is discharged by blower after dedusting.
Roof enclosure is one of dust hood, is generally located at the top of workshop, bottom workshop day roof with
On, it will not influence the operation of any process equipment, thus the drawbacks of effectively avoiding other flue gas trapping modes.But due to high temperature cigarette
Gas during heat lifting, can be generated loss by lateral wind effect, to ensure flue gas trapping effect, roof enclosure is being implemented upwards
When, effectively trapping area can be increased as far as possible, and need to configure Wind Volume support.
There are the following problems in use for existing roof enclosure:
Although 1, integrally trapping area increases roof enclosure, arresting efficiency is not improved, the reason is that, limited
In the equipment for generating flue gas, flue gas uphill process, do not concentrate unevenly yet, and ventilation quantity is distributed in roof smoke evacuation and covers
Lid range, that is to say, that the specific aim of suction area is not strong, and energy consumption is high.
2, power house environment is contaminated in order to prevent, and no matter roof enclosure bottom device is in and works normally shape in workshop
State or hot debugging stage, dust pelletizing system normally start, while the air quantity for distributing to roof enclosure is constant, therefore will cause
A large amount of energy consumptions.
Based on this, the structure of existing roof enclosure still needs to improve.
Summary of the invention
The purpose of this utility model is to provide for that a kind of structure is simple, the smoke evacuation of service-strong resistance-adjustable type roof
Cover, fundamentally solves the problems, such as that existing roof enclosure energy consumption is excessive, wasting.
The technical solution of the utility model is:
A kind of resistance-adjustable type roof enclosure, including for being fixed at the top of workshop on steel construction and in vertical direction
Higher than the main cover body of overhead traveling crane, the main cover body top surface is blocked, upper side offers the flue gas being connected to the cleaning shaft of workshop
Outlet, is characterized in that: the main cover body is rectangular-shape, and the main cover body lower edge is fixed with up-narrow and down-wide tetrapyamid shape
Pod, be separately arranged in the main cover body in dust hood, the interior dust hood be above and below be open rectangular-shape cylinder,
The top of interior dust hood is communicated with main cover body, internal to form main suction smoke-gas area, the four sides side wall and main cover body of interior dust hood
Four sides side wall between keep spacing and be respectively formed exhaust gases passes, four exhaust gases passes, which are interconnected, forms secondary smoking gas area
Domain, resistance regulation part is respectively equipped in each exhaust gases passes, and the exhanst gas outlet is equipped with regulating valve.
Above-mentioned resistance-adjustable type roof enclosure, the resistance regulation part are butterfly-type baffle, and the butterfly-type baffle is edge
The rectangle baffle of the exhaust gases passes length direction arrangement, and its middle part is equipped with shaft, the both ends of the shaft is separately fixed at
On the side wall of main cover body.
Above-mentioned resistance-adjustable type roof enclosure, butterfly-type baffle in two neighboring exhaust gases passes in vertical direction one
On once arrange, to avoid interfering.
Above-mentioned resistance-adjustable type roof enclosure, the upper edge of the interior dust hood extends in vertical direction close to cigarette
Gas outlet, lower edge extends to concordant with pod lower edge.
Above-mentioned resistance-adjustable type roof enclosure, the center line of the interior dust hood are overlapped with the center line of main cover body,
The interior dust hood is equal with the width of four exhaust gases passes between main cover body.
Above-mentioned resistance-adjustable type roof enclosure, in addition to opening up the exhanst gas outlet in four sides of the main cover body
Side, water conservancy diversion inclined-plane is respectively equipped between the other three side and top surface, to converge flue gas and be oriented to exhanst gas outlet side.
Above-mentioned resistance-adjustable type roof enclosure, the regulating valve are dish valve.
Above-mentioned resistance-adjustable type roof enclosure is connected between the interior dust hood and main cover body using upper and lower fashioned iron group
It connects, upper and lower fashioned iron group along the more fashioned iron that interior dust hood is arranged circumferentially respectively by forming.
The beneficial effects of the utility model are:
1, the size of exhaust gases passes makes entirely to discharge fume to adjust the resistance of flue where resistance regulation part is used to adjust
Cover reasonable distribution vent position and corresponding ventilation quantity, when the debugging of equipment heat, by beam wind when rising due to flue gas
Influence shifts, and enclosure can make flue gas collection by adjusting resistance regulation part (angle and fixation such as adjustment butterfly baffle)
The exhaust gases passes standard-sized sheet of middle side, and the exhaust gases passes of rare flue gas are accordingly turned down by degree, that is, enhance enclosure fume centralized side
Smoking discharge fume ability, then the utility model by it is major and minor suction smoke-gas area significantly improve entire enclosure flue gas trapping effect
Rate, and reduce energy consumption.
2, the regulating valve of exhanst gas outlet is used to adjust exhanst gas outlet area according to dirt source point working condition (exhaust gas volumn size),
To adjust workshop dust pelletizing system for the allocation of the amount of air of roof exhaust hood, energy consumption is reduced.
3, tetrapyamid shape pod is used to expand the flue gas trapping range of entire enclosure, and flue gas is avoided to spread.
4, the utility model makes full use of mill construction, compact-sized, connection and reasonable arrangement, is not influencing dust point device operating condition
And under the premise of production operation, improve the air environment in workshop.
Detailed description of the invention
Fig. 1 is the use state diagram of the utility model；
Fig. 2 is the right view of the utility model in Fig. 1.
In figure: steel construction, 2. main cover bodies, 201. water conservancy diversion inclined-planes, 3. exhanst gas outlets, 4. regulating valves, 5. butterflies at the top of 1. workshops
Type baffle, 501. rectangle baffles, 502. shafts, 6. pods, dust hood in 7., fashioned iron group, 9. lower fashioned iron groups on 8..
Specific embodiment
As shown in Figure 1 and Figure 2, the resistance-adjustable type roof enclosure, including for being fixed on steel construction 1 at the top of workshop
And it is higher than the main cover body 2 of overhead traveling crane in vertical direction, 2 top surface of main cover body blocks, upper side is offered and removed with workshop
The exhanst gas outlet 3 of dirt pipeline connection.
Wherein, the main cover body 2 is rectangular-shape, and 2 lower edge of main cover body is fixed with up-narrow and down-wide tetrapyamid shape and leads
Cover 6 is flowed, interior dust hood 7 is separately set in the main cover body 2, the interior dust hood 7 is the rectangular-shape cylinder for being above and below opening
The top of body, interior dust hood 7 is communicated with main cover body 2, internal to form main suction smoke-gas area, the four sides side wall of interior dust hood 7 with
Spacing is kept between the four sides side wall of main cover body 2 and is respectively formed exhaust gases passes, and four exhaust gases passes, which are interconnected, forms secondary suction
Smoke-gas area, resistance regulation part is respectively equipped in each exhaust gases passes, and the exhanst gas outlet 3 is equipped with regulating valve 4.
In the present embodiment, the resistance regulation part is butterfly-type baffle 5, and the butterfly-type baffle 5 is long along the exhaust gases passes
The rectangle baffle 501 of direction arrangement is spent, and its middle part is equipped with shaft 502,502 both ends of shaft are separately fixed at main cover body
On 2 side wall.Butterfly-type baffle 5 in two neighboring exhaust gases passes is arranged one on the other in vertical direction, dry to avoid occurring
It relates to.
The upper edge of the interior dust hood 7 extends in vertical direction close to exhanst gas outlet 3, and lower edge extends to and pod
6 lower edges are concordant.The center line of the interior dust hood 7 is overlapped with the center line of main cover body 2, between the interior dust hood 7 and main cover body 2
Four exhaust gases passes width it is equal.In addition to opening up the side of the exhanst gas outlet 3 in four sides of the main cover body 2,
Water conservancy diversion inclined-plane 201 is respectively equipped between the other three side and top surface, to converge flue gas and be oriented to exhanst gas outlet side.
The regulating valve 4 is dish valve.
The main cover body 2 and interior dust hood 7 are respectively sheet metal adding type steel reinforcing rib structure, the interior dust hood 7 and master
It is connected between cover 2 using upper fashioned iron group 8 and lower fashioned iron group 9, upper and lower fashioned iron group 8,9 is respectively by circumferential uniformly along interior dust hood 7
The more I-steel composition of arrangement.
In the present embodiment, the utility model is applied to the dedusting of pneumatic steelmaking workshop roof.
When work, the flue gas that dirt source point generates is mainly by the main suction smoke-gas area interior dust hood 7() trapping, by lateral wind effect
The flue gas in air is spilt into, is trapped in 6 region of pod by pod 6, and is sent to secondary suction smoke-gas area, pair smoking gas area
Four exhaust gases passes (adjust the angle of butterfly baffle 5 by adjusting respective resistance regulation part according to smoke distribution situation in domain
Degree) channel resistance is adjusted, it realizes the adjustment of flue gas flux, efficiently traps flue gas, adjusting of the flue gas after trapping through exhanst gas outlet
Valve 4 enters cleaning shaft, and then send to deduster purification, discharge.
Claims (8)
1. a kind of resistance-adjustable type roof enclosure, including it is on steel construction and high in vertical direction at the top of workshop for being fixed on
In the main cover body of overhead traveling crane, the main cover body top surface is blocked, upper side offers the flue gas being connected to the cleaning shaft of workshop and goes out
Mouthful, it is characterised in that: the main cover body is rectangular-shape, and the main cover body lower edge is fixed with up-narrow and down-wide tetrapyamid shape water conservancy diversion
It covers, interior dust hood is separately set in the main cover body, the interior dust hood is the rectangular-shape cylinder for being above and below opening, interior suction
The top of dust hood is communicated with main cover body, internal to form main suction smoke-gas area, and the four of the four sides side wall of interior dust hood and main cover body
Spacing is kept between the wall of surface side and is respectively formed exhaust gases passes, and four exhaust gases passes, which are interconnected, forms secondary suction smoke-gas area, often
Resistance regulation part is respectively equipped in a exhaust gases passes, the exhanst gas outlet is equipped with regulating valve.
2. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: the resistance regulation part is butterfly-type
Baffle, the butterfly-type baffle are the rectangle baffle arranged along the exhaust gases passes length direction, and its middle part is equipped with shaft, institute
Both ends of the shaft is stated to be separately fixed on the side wall of main cover body.
3. resistance-adjustable type according to claim 2 roof enclosure, it is characterised in that: in two neighboring exhaust gases passes
Butterfly-type baffle is arranged one on the other in vertical direction.
4. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: prolong on the upper edge of the interior dust hood
It extends in vertical direction close to exhanst gas outlet, lower edge extends to concordant with pod lower edge.
5. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: the center line of the interior dust hood
It is overlapped with the center line of main cover body, the interior dust hood is equal with the width of four exhaust gases passes between main cover body.
6. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: four sides of the main cover body
In in addition to opening up the side of the exhanst gas outlet, water conservancy diversion inclined-plane is respectively equipped between the other three side and top surface.
7. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: the regulating valve is dish valve.
8. resistance-adjustable type according to claim 1 roof enclosure, it is characterised in that: the interior dust hood and main cover body
Between connected using upper and lower two groups of fashioned iron, upper and lower two groups of fashioned iron is by more fashioned iron being arranged circumferentially respectively along interior dust hood
Composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769337.9U CN209084799U (en) | 2018-10-30 | 2018-10-30 | Resistance-adjustable type roof enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769337.9U CN209084799U (en) | 2018-10-30 | 2018-10-30 | Resistance-adjustable type roof enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209084799U true CN209084799U (en) | 2019-07-09 |
Family
ID=67121487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821769337.9U Active CN209084799U (en) | 2018-10-30 | 2018-10-30 | Resistance-adjustable type roof enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209084799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915706A (en) * | 2020-07-07 | 2022-01-11 | 中国石油化工股份有限公司 | Exhaust system |
-
2018
- 2018-10-30 CN CN201821769337.9U patent/CN209084799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915706A (en) * | 2020-07-07 | 2022-01-11 | 中国石油化工股份有限公司 | Exhaust system |
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