CN106705653A - Emergency discharge device for rotary furnace tail - Google Patents
Emergency discharge device for rotary furnace tail Download PDFInfo
- Publication number
- CN106705653A CN106705653A CN201710145056.XA CN201710145056A CN106705653A CN 106705653 A CN106705653 A CN 106705653A CN 201710145056 A CN201710145056 A CN 201710145056A CN 106705653 A CN106705653 A CN 106705653A
- Authority
- CN
- China
- Prior art keywords
- rotary furnace
- accident
- exhaust outlet
- accident exhaust
- stove tail
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000010079 rubber tapping Methods 0.000 claims description 23
- 238000007689 inspection Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides an emergency discharge device for a rotary furnace tail. The rotary furnace rail is provided with a discharge box; the emergency discharge device for the rotary furnace tail comprises an accident exhaust port formed in the discharge box, a sealing component for sealing the accident exhaust port and movably arranged on the accident exhaust port, a driving component arranged on the discharge box and connected with the sealing component for driving the sealing component to linearly move, and an accident exhaust component with an exhaust pipe for externally exhausting; and the exhaust pipe is connected with the accident exhaust port. When such abnormal emergencies as excess pressure, excess temperature or excess quantity are generated, the driving component drives the sealing component to linearly move to open sealing for the accident exhaust port; and the accident exhaust component externally exhausts to realize the discharge and sealing functions for emergency gas.
Description
Technical field
The present invention relates to petrochemical industry, metallurgical and building field, and in particular to a kind of Roarykiln, especially one kind are used for
The emergency episode tapping equipment of rotary furnace stove tail.
Background technology
In the industries such as petrochemical industry, metallurgy, building, Roarykiln be widely used in the drying of material, reaction, plus
Heat etc. is operated.Because rotary furnace tilting furnace is installed, in revolution, material is moved vertically while circumferentially rolling in stove
It is dynamic.Material is heated in moving process, by after physics and chemical change, drying and heating operation for material are obtained
Qualified products and all drawn off from stove tail low side for the slag after operation, reacting gas from burner discharge.
For operation, due to medium in rotary furnace by many tiny particles can be produced after the complicated reaction of high temperature
Dust, impurity is a lot, it is impossible to meet next procedure use requirement.Thus rotary reaction furnace it is latter as be close to a set of washing system,
Reused after processing thick reacting gas product.Rotary furnace average physique greater depth is more long, due to its design feature
Needed with operating function, the general all higher but operating pressure of rotary furnace operation temperature can not be big.Drying, anti-of the rotary furnace in material
Should, heating etc. is in operating process, because exception occur in the inventory or the super deviation of temperature control or subsequent handling that add, usually can
Cause revolution furnace pressure to improve, rotary furnace sealing system failure, body of heater end cap will occur when rotary furnace superpressure quick-fried first
The major accident for splitting.Therefore, the operation to rotary furnace must be provided with a set of safety relief device.According to medium temperature in rotary furnace
Higher, pressure is relatively low and the features such as more medium dust, according to general relief valve because its capacity is easily blocked less,
It is difficult to meet the special operation condition of atm number discharge and dust granules.Therefore emergency episode tapping equipment should be that rotary furnace one is important
How part, design the effect that key is played in safety in production of a rotary furnace stove tail emergency episode tapping equipment to rotary furnace.
In sum, there is problems with the prior art：Existing Roarykiln lacks emergency episode tapping equipment,
Carried out with when emergency episode occurs, safety relief.
The content of the invention
The present invention provides a kind of emergency episode tapping equipment for rotary furnace stove tail, with Roarykiln emergency episode
Carried out during generation, safety relief can be carried out.
Therefore, the present invention proposes a kind of emergency episode tapping equipment for rotary furnace stove tail, the rotary furnace stove tail sets
There is feed box, the emergency episode tapping equipment for rotary furnace stove tail includes：
Accident exhaust outlet, is arranged on feed box；
The containment member of the accident exhaust outlet is sealed, it is mobile to be arranged on the accident exhaust outlet；
Drive member, is arranged on the feed box, and the drive member connects the containment member and drives described close
Envelope component rectilinear movement；
Accident exhaust component, with the blast pipe being outwardly vented, the blast pipe connects the accident exhaust outlet.
Further, the drive member includes：
Bearing, is arranged on the accident exhaust outlet, and the bearing has hollow passage；
Drive shaft, is connected to the top of the containment member, and what the drive shaft can be moved up and down is arranged on described hollow
Passage in.
Further, drive member also includes：The cylinder on the bearing is arranged on, the cylinder is connected to the driving
The top of axle.
Further, the containment member includes：Closure plate and sealed base, the sealed base are arranged on feed box,
The accident exhaust outlet is arranged on the sealed base, the closure plate connect the drive shaft and it is mobile be covered in it is described
On accident exhaust outlet.
Further, the accident exhaust component also includes：It is connected to the connecting tube on the accident exhaust outlet, the branch
Seat is connected to the surface of the connecting tube；The blast pipe is connected to the oblique upper of the connecting tube, the blast pipe and institute
State bearing to be arranged on the accident exhaust outlet by the connecting tube, the blast pipe and the drive shaft are intersected and be more than
0 degree of angle less than 90 degree.
Further, the accident exhaust component also includes：It is arranged on the inspection hole on the blast pipe.
Further, the drive member also includes：The sealing being arranged between the bearing and the connecting tube is heat-insulated
Layer, the sealing thermal insulation layer is arranged on the lower section of the cylinder.
Further, the bearing connects the connecting tube by fastener.
Further, the angle of the blast pipe and the drive shaft is 30 degree.
When there are the exceptional emergencies such as superpressure, overtemperature or excess, drive the containment member straight by drive member
Line is moved, and opens the sealing to accident exhaust outlet, is outwardly vented by accident exhaust component, to realize to emergency episode gas
Discharge and sealing function.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of the emergency episode tapping equipment for rotary furnace stove tail of the invention；
Fig. 2 is the internal structure schematic diagram of the emergency episode tapping equipment for rotary furnace stove tail of the invention；
Fig. 3 shows the structural representation of sealing bearing；
Fig. 4 is the structural representation at inspection hole of the invention；
Fig. 5 is the overlooking the structure diagram of Fig. 4；
Fig. 6 is the side structure schematic view of Fig. 4.
Drawing reference numeral explanation：
1st, feed box, 2, containment member, 3, mounting ring, 4, fastener, 5, accident exhaust component, 6, drive member, 7, even
Adapter, 8, inspection hole, 9, blast pipe, 10, adpting flange, 11, bearing, 12, cylinder, 13, shaft coupling piece, 14, sealing thermal insulation layer,
15th, gasket seal, 16, drive shaft, 17, sealing bearing, 18, closure plate, 19, baffle plate, 20, gasket seal, 21, inspection cover 30
Accident exhaust outlet
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now control illustrates this hair
Bright specific embodiment.
As depicted in figs. 1 and 2, the present invention proposes a kind of emergency episode tapping equipment for rotary furnace stove tail, described time
Converter tail is provided with feed box 1, and the emergency episode tapping equipment for rotary furnace stove tail is installed on the top of stove tail feed box
Portion, the emergency episode tapping equipment for rotary furnace stove tail includes：
For the accident exhaust outlet 30 being exhausted when there is emergency episode, it is arranged on feed box 1, for example, is located at out
The top of hopper, to seal；
The containment member 2 of the accident exhaust outlet is sealed, mobile to be arranged on the accident exhaust outlet 30, reason condition
Under, containment member 2 is arranged on accident exhaust outlet 30；During emergency episode, the containment member straight line is driven by drive member
It is mobile, open the sealing to accident exhaust outlet；
Drive member 6, is arranged on the feed box 1, and the drive member 6 connects the containment member 2 and drives institute
Containment member 2 is stated to move linearly；
Accident exhaust component 5, with the blast pipe 9 being outwardly vented, the blast pipe 9 connects the accident exhaust outlet
30。
Containment member 2, it is mobile to be arranged on the accident exhaust outlet 30.Under normal circumstances, containment member 2 is arranged on
On accident exhaust outlet 30, accident exhaust outlet 30 is sealed up；When there are the exceptional emergencies such as superpressure, overtemperature or excess, pass through
Drive member drives the containment member rectilinear movement, opens the sealing to accident exhaust outlet, outside by accident exhaust component
Boundary is vented, to realize the discharge to emergency episode gas and sealing function.
Further, as shown in Fig. 2 the drive member 6 includes：
Bearing 11, is arranged on the accident exhaust outlet 30, and the bearing 11 has hollow passage, for drive shaft 16
Support；
Drive shaft 16, is connected to the top of the containment member 2, and what the drive shaft 16 can be moved up and down is arranged on described
In hollow passage.The linearly operating of drive shaft 16 is applied to containment member 2, can quickly open accident exhaust outlet 30, to realize
Discharge and sealing function to emergency episode gas.
Further, as shown in Fig. 2 drive member also includes：It is arranged on the cylinder 12 on the bearing, the cylinder 12
It is connected to the top of the drive shaft 16.Cylinder 12 is fixed together with drive shaft 16 by shaft coupling piece 13 (shaft coupling).Gas
Cylinder 12 is adapted to the high temperature of rotary furnace, and is swift in motion, and is adapted to the use of emergency.
Further, Fig. 3 shows the structure for amplifying at I in Fig. 2 and shows the structure at sealed base, such as Fig. 2 and
Shown in Fig. 3, the containment member 2 includes：Closure plate 18 and sealed base 17, the sealed base 17 are arranged on feed box 1, institute
State accident exhaust outlet 30 to be arranged on the sealed base 17, the closure plate 18 connects the drive shaft 16 and mobile covering
On the accident exhaust outlet 30.Closure plate 18 is connected to the end of drive shaft 16 with fastener 4 (for example, bolt), for sealing
Accident exhaust outlet 30.When the movement of the fast reciprocating of drive shaft 16, closure plate 18 quickly leaves also with drive shaft 16 with sealed base 17
And contact, so as to reach the function of quick drain and fast sealing.In order to improve sealing effectiveness, closure plate 18 and sealed base 17
Contact surface smooth contact, surface roughness height parameter Ra values are not more than 1.6 μm and 6.3 μm respectively..
Sealed base 17 is fixed on the end (encrypting gasket 15 between the two) of accident exhaust component 5 by fastener 4.
Sealed with the mounting ring 3 at the top of stove tail feed box by fastener 4 again and be connected.Closure plate 18 connects the drive shaft 16 and forms similar
The sealing structure of piston, to realize sealing and exhaust in emergency circumstances under normal circumstances.Rotary furnace is provided with control system, when
When there are the exceptional emergencies such as superpressure, overtemperature or excess, abnormal signal will be transferred to emergency episode and arrange by control system
The cylinder 12 of device is put, drives drive shaft 16 to be applied to containment member 2 by cylinder 12, realize the discharge to emergency episode gas
And sealing function.
Further, as shown in Fig. 2 the accident exhaust component 5 also includes：It is connected to the company on the accident exhaust outlet
Adapter 7, the bearing 11 is connected to the surface of the connecting tube 7；The blast pipe 9 be connected to the connecting tube 7 it is oblique on
Side, the end of blast pipe 9 is provided with adpting flange 10, and to connect miscellaneous part, the blast pipe 9 and the bearing 11 pass through
The connecting tube 7 is arranged on the accident exhaust outlet 30, and the blast pipe 9 and the drive shaft 16 intersect small more than 0 degree
In 90 degree of angle.On the one hand this mode forms the rectilinear movement of closure plate 18 and drive shaft 16, on the other hand forms blast pipe 9
Lateral exhaust so that both are non-interference for the opening of sealing and urgent exhaust, cooperate, and the He of accident exhaust component 5
Drive member 6 is all disposed within the top of the feed box 1, is easy to the installation of accident exhaust component 5 and drive member 6 to make and examine
Repair.
Further, the angle of the blast pipe 9 and the drive shaft 16 is 30 degree, is easy to ensure capacity and exhaust speed
Degree, while not influenceing the up and down action of drive shaft 16.
Further, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the accident exhaust component 5 also includes：It is arranged on the row
Inspection hole 8 on tracheae.Inspection hole 8 is, for example, rectangle, because the design feature of rectangle inspection hole, inspection hole rectangular seal pad
What is do not sealed is largely exposed in high-temp. discharged-gas, is easily damaged, so the structure according to rectangle inspection hole 8 is special
Point, to ensure sealing, sets one less than inspection hole size or the baffle plate 19 of inspection hole internal diameter on inspection cover 21, is used to solid
(rectangle) gasket seal 20 on fixed and protection check port lid.
Further, the drive member 6 also includes：It is arranged on the sealing between the bearing 11 and the connecting tube 7
Thermal insulation layer 14 (also referred to as stuffing-box), the sealing thermal insulation layer 14 is arranged on the lower section of the cylinder, to protect cylinder from high temperature
Corrode the infringement of dusty gas.
Further, the bearing 11 connects the connecting tube 7 by fastener 4 (for example, bolt), to make peace
Dress.
To ensure sealing, prevent air from entering in rotary furnace by accident exhaust outlet and influenceing product quality, or height in stove
Dew such as causes casualties at the security incident wet in vitro, all needs to set nonmetallic cushion film at each joint face, and by fastening
Part 4 is firmly connected.For example, containment member, accident exhaust component and drive member can set nonmetallic soft at each joint face
Pad.
In order to reach driving sealing effectiveness higher, the contact surface of closure plate and sealed base in drive member should be smooth,
Thus propose smoothness requirements higher.The drive shaft of drive member drives closure plate on containment member fast driving together, with
The sealed base of containment member quickly leaves and Rapid contact, so as to reach the function of quick drain and fast sealing, it is ensured that
Safety in production, production efficiency is greatly improved.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.For this
Each part of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, not depart from this
Done equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of the design of invention and principle.
Claims (9)
1. a kind of emergency episode tapping equipment for rotary furnace stove tail, it is characterised in that the rotary furnace stove tail is provided with discharging
Case, the emergency episode tapping equipment for rotary furnace stove tail includes：
Accident exhaust outlet, is arranged on feed box；
The containment member of the accident exhaust outlet is sealed, it is mobile to be arranged on the accident exhaust outlet；
Drive member, is arranged on the feed box, and the drive member connects the containment member and drives the sealing structure
Part moves linearly；
Accident exhaust component, with the blast pipe being outwardly vented, the blast pipe connects the accident exhaust outlet.
2. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 1, it is characterised in that the driving structure
Part includes：
Bearing, is arranged on the accident exhaust outlet, and the bearing has hollow passage；
Drive shaft, is connected to the top of the containment member, and what the drive shaft can be moved up and down is arranged on described hollow leading to
In road.
3. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 2, it is characterised in that state drive member
Also include：The cylinder on the bearing is arranged on, the cylinder is connected to the top of the drive shaft.
4. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 2, it is characterised in that the sealing structure
Part includes：Closure plate and sealed base, the sealed base are arranged on feed box, and the accident exhaust outlet is arranged on the sealing
On base, the closure plate connects the drive shaft and mobile is covered on the accident exhaust outlet.
5. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 3, it is characterised in that the accident row
Gas component also includes：The connecting tube on the accident exhaust outlet is connected to, the bearing is connected to the surface of the connecting tube；
The blast pipe is connected to the oblique upper of the connecting tube, and the blast pipe and the bearing are arranged on by the connecting tube
On the accident exhaust outlet, the blast pipe and the drive shaft intersect the angle that 90 degree are less than more than 0 degree.
6. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 1, it is characterised in that the accident row
Gas component also includes：It is arranged on the inspection hole on the blast pipe.
7. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 5, it is characterised in that the driving structure
Part also includes：The sealing thermal insulation layer between the bearing and the connecting tube is arranged on, the sealing thermal insulation layer is arranged on described
The lower section of cylinder.
8. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 5, it is characterised in that the bearing leads to
Cross fastener and connect the connecting tube.
9. the emergency episode tapping equipment of rotary furnace stove tail is used for as claimed in claim 5, it is characterised in that the blast pipe
It it is 30 degree with the angle of the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145056.XA CN106705653A (en) | 2017-03-10 | 2017-03-10 | Emergency discharge device for rotary furnace tail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145056.XA CN106705653A (en) | 2017-03-10 | 2017-03-10 | Emergency discharge device for rotary furnace tail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705653A true CN106705653A (en) | 2017-05-24 |
Family
ID=58916984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710145056.XA Withdrawn CN106705653A (en) | 2017-03-10 | 2017-03-10 | Emergency discharge device for rotary furnace tail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592644A (en) * | 2019-01-08 | 2019-04-09 | 湖南有色郴州氟化学有限公司 | Reacting furnace burner end face seal structure and reacting furnace for Acid of Hydrofluoric Acid Production technique |
| CN109607481A (en) * | 2019-01-08 | 2019-04-12 | 湖南有色郴州氟化学有限公司 | For the reacting furnace furnace tail emergency exit of Acid of Hydrofluoric Acid Production technique and reacting furnace |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014419A (en) * | 1996-08-07 | 1998-05-25 | 박선만 | Automatic safety valve |
| CN201335388Y (en) * | 2008-12-10 | 2009-10-28 | 中天环保产业(集团)有限公司 | Emergency chimney |
| CN102175073A (en) * | 2011-02-24 | 2011-09-07 | 中冶北方工程技术有限公司 | Iron ore concentrate drying device and method for pelletizing |
| CN205137470U (en) * | 2015-11-06 | 2016-04-06 | 江苏大信环境科技有限公司 | Rotary kiln burns emergent explosion vent in system postcombustion room |
| CN205463465U (en) * | 2016-01-29 | 2016-08-17 | 广东天源环境科技有限公司 | Automatic dust collector of pyrolysis gas vent pipeline |
| CN205974584U (en) * | 2016-07-28 | 2017-02-22 | 东台丰华炉业有限公司 | Guipure temperature control furnace's exhaust temperature control device |
| CN206546094U (en) * | 2017-03-10 | 2017-10-10 | 北京石油化工工程有限公司 | Emergency episode tapping equipment for rotary furnace stove tail |
-
2017
- 2017-03-10 CN CN201710145056.XA patent/CN106705653A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014419A (en) * | 1996-08-07 | 1998-05-25 | 박선만 | Automatic safety valve |
| CN201335388Y (en) * | 2008-12-10 | 2009-10-28 | 中天环保产业(集团)有限公司 | Emergency chimney |
| CN102175073A (en) * | 2011-02-24 | 2011-09-07 | 中冶北方工程技术有限公司 | Iron ore concentrate drying device and method for pelletizing |
| CN205137470U (en) * | 2015-11-06 | 2016-04-06 | 江苏大信环境科技有限公司 | Rotary kiln burns emergent explosion vent in system postcombustion room |
| CN205463465U (en) * | 2016-01-29 | 2016-08-17 | 广东天源环境科技有限公司 | Automatic dust collector of pyrolysis gas vent pipeline |
| CN205974584U (en) * | 2016-07-28 | 2017-02-22 | 东台丰华炉业有限公司 | Guipure temperature control furnace's exhaust temperature control device |
| CN206546094U (en) * | 2017-03-10 | 2017-10-10 | 北京石油化工工程有限公司 | Emergency episode tapping equipment for rotary furnace stove tail |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592644A (en) * | 2019-01-08 | 2019-04-09 | 湖南有色郴州氟化学有限公司 | Reacting furnace burner end face seal structure and reacting furnace for Acid of Hydrofluoric Acid Production technique |
| CN109607481A (en) * | 2019-01-08 | 2019-04-12 | 湖南有色郴州氟化学有限公司 | For the reacting furnace furnace tail emergency exit of Acid of Hydrofluoric Acid Production technique and reacting furnace |
| CN109607481B (en) * | 2019-01-08 | 2023-10-24 | 湖南有色郴州氟化学有限公司 | Emergency outlet of reaction furnace tail for hydrofluoric acid production process and reaction furnace |
| CN109592644B (en) * | 2019-01-08 | 2024-03-01 | 湖南有色郴州氟化学有限公司 | Reaction furnace end face sealing structure for hydrofluoric acid production process and reaction furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |
|
| WW01 | Invention patent application withdrawn after publication |