CN109607481A - For the reacting furnace furnace tail emergency exit of Acid of Hydrofluoric Acid Production technique and reacting furnace - Google Patents
For the reacting furnace furnace tail emergency exit of Acid of Hydrofluoric Acid Production technique and reacting furnace Download PDFInfo
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- CN109607481A CN109607481A CN201910016751.5A CN201910016751A CN109607481A CN 109607481 A CN109607481 A CN 109607481A CN 201910016751 A CN201910016751 A CN 201910016751A CN 109607481 A CN109607481 A CN 109607481A
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- emergency exit
- furnace tail
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002253 acid Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000010440 gypsum Substances 0.000 claims abstract description 47
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 47
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 71
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910000856 hastalloy Inorganic materials 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 20
- 239000007789 gas Substances 0.000 description 17
- 238000007599 discharging Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000002893 slag Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/192—Preparation from fluorspar
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of reacting furnace furnace tail emergency exits for Acid of Hydrofluoric Acid Production technique, the furnace hood being connected including the inner cavity with reacting furnace, the top of the furnace hood is equipped with the dump pipe for gas in reacting furnace described in dump, the bottom of the furnace hood is equipped with the scum pipe for the gypsum in the reacting furnace to be discharged, the dump pipe includes horizontally disposed discharge supervisor and discharges the coupling tube being responsible for for guiding gas to described, one end of the coupling tube is connected to the top of the furnace hood, the other end of coupling tube is connected to discharge supervisor, the discharge supervisor or coupling tube are equipped with the dump valve for controlling dump pipe on-off.The invention also discloses a kind of reacting furnace for Acid of Hydrofluoric Acid Production technique, including burner, furnace body and furnace tail, above-mentioned furnace tail emergency exit is equipped at furnace tail.Furnace tail emergency exit of the invention and reacting furnace have many advantages, such as that use is reliable, maintenance replacing construction and cost can be effectively reduced.
Description
Technical field
The invention belongs to Acid of Hydrofluoric Acid Production technical field more particularly to a kind of reacting furnace furnaces for Acid of Hydrofluoric Acid Production technique
Tail emergency exit and reacting furnace.
Background technique
Hydrogen fluoride gas is prepared as reaction unit frequently with interior return slag reacting furnace in the production technology of hydrofluoric acid, transports
Fluorite and sulfuric acid are continuously added in proportion when row to realize continuous production in reacting furnace as reaction raw materials, usually in interior return slag
The tail end of reacting furnace is equipped with emergency exit, and when there is emergency episode or unusual service condition, such as blocking occurs for interior return slag reacting furnace,
Escaping gas in reacting furnace can be discharged for emergency exit, be then sent to absorption and purification device is handled.
Existing furnace tail emergency exit is a dump pipe being directly connected to furnace tail seal closure, on dump pipe
Equipped with valve, valve is closed in normal conditions, and dump pipe is in closed state, when there is unusual service condition, opens valve
Door is connected to dump pipe, and the gas in reacting furnace can be discharged out of urgent delivery pipe.Since the seal closure of furnace tail is one
There are highly corrosive gas and the environment of a large amount of dust has been mingled with it, service life is short under such circumstances for valve, reaches use
It needs to stop expecting to be replaced after service life, and repairs replacement complexity, affect normal production, while dust also results in dump
Blockage or the tied failure of valve, fast and effeciently gas can not be discharged when needing dump, there are certain safety
Hidden danger.Therefore existing furnace tail emergency exit, which exists, uses unreliable, reparation is difficult, maintenance cost is high and spends time length etc.
Disadvantage.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art, provides a kind of using reliable, effective
Reduce maintenance replacing construction and cost for the reacting furnace furnace tail emergency exit of Acid of Hydrofluoric Acid Production technique and reacting furnace.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of reacting furnace furnace tail emergency exit for Acid of Hydrofluoric Acid Production technique, is connected including the inner cavity with reacting furnace
Furnace hood, the top of the furnace hood are equipped with the dump pipe for gas in reacting furnace described in dump, the furnace tail
The bottom of cover is equipped with for by the scum pipe of the gypsum discharge in the reacting furnace, the dump pipe to include horizontally disposed
Discharge is responsible for and for guiding gas to the coupling tube of the discharge supervisor, one end of the coupling tube and the furnace hood
The other end of top connection, coupling tube is connected to discharge supervisor, and the discharge supervisor or coupling tube are equipped with urgent for controlling
The dump valve of delivery pipe on-off.
Above-mentioned furnace tail emergency exit, it is preferred that the coupling tube includes the transition vertical tube being vertically arranged and is obliquely installed
Transition inclined tube, one end of the transition vertical tube is directly connected to the top of furnace hood, and the other end of transition vertical tube seals closing,
One end of the transition inclined tube is connected to transition vertical tube, and the other end of transition inclined tube seals closing, one end of the discharge supervisor
It is connected to the transition inclined tube.
Above-mentioned furnace tail emergency exit, it is preferred that the side of the transition vertical tube offers standpipe bubbler openings, and the transition is oblique
Pipe is connected to by standpipe bubbler openings with transition vertical tube, and the side of the transition inclined tube offers inclined tube opening, and the discharge supervisor is logical
Inclined tube opening is crossed to be connected to transition inclined tube.
Above-mentioned furnace tail emergency exit, it is preferred that the dump valve is Hastelloy clock valve, the Hastelloy clock
Valve is arranged at the communication port of the transition vertical tube and furnace hood.
Above-mentioned furnace tail emergency exit, it is preferred that the dump valve is carbon steel body butterfly valve, and the butterfly valve is arranged in institute
It states on discharge supervisor.
Above-mentioned furnace tail emergency exit, it is preferred that the butterfly valve includes valve body, valve rod and butterfly plate, and the valve rod is close to institute
The intersection for stating valve body and butterfly plate is arranged, and valve rod along butterfly plate radially across butterfly plate.
Above-mentioned furnace tail emergency exit, it is preferred that the material stream in the opening direction of the butterfly plate and the discharge supervisor
To identical.
Above-mentioned furnace tail emergency exit, it is preferred that it is close that the closed end of the transition vertical tube and transition inclined tube is all made of blind plate
Envelope closing.
Above-mentioned furnace tail emergency exit, it is preferred that the scum pipe is vertically arranged and direct with the bottom of the furnace hood
Connection.
As a general technical idea, the present invention also provides a kind of reacting furnace for Acid of Hydrofluoric Acid Production technique, packets
Burner, furnace body and furnace tail are included, the furnace tail is equipped with above-mentioned furnace tail emergency exit.
Above-mentioned reacting furnace, it is preferred that furnace tail end cover is equipped at the furnace tail, the furnace tail end cover is equipped with furnace tail gypsum
Slag-draining device, the furnace tail gypsum slag-draining device include that slag-drip opening, discharge with endless screw device and a scoop, the slag-drip opening open up
In the center of reacting furnace furnace tail end cover, the discharge with endless screw device is connected with the slag-drip opening, and the scoop is set to furnace
On the medial surface of tail end cover, the scoop includes outlet end and the arrival end for scooping up gypsum tailings in reacting furnace, the scoop
Outlet end be connected to the slag-drip opening, the deflector that the outlet end of the scoop is equipped with convenient for gypsum tailings water conservancy diversion to be discharged,
The deflector is obliquely installed.
Above-mentioned reacting furnace, it is preferred that the scoop include the first side plate, the second side plate and third side plate, described first
Side plate and the setting of the second side plate interval and side is fixed on the furnace tail end cover, the two sides of the third side plate are respectively with the
The other side of side plate and the second side plate is affixed, and first side plate, the second side plate and third side plate are close to the slag-drip opening
One end is affixed with the deflector, and first side plate, the second side plate, third side plate and deflector enclose composition for gypsum tailings
Circulate the hollow discharging channel being discharged.
Above-mentioned reacting furnace, it is preferred that the slag-drip opening is equipped with the baffle for preventing gypsum tailings from flowing back.
Above-mentioned reacting furnace, it is preferred that the two sides of the deflector are affixed with first side plate and the second side plate respectively,
One end of the deflector and the third side plate are affixed, and the other end of the deflector and the baffle are affixed.
Above-mentioned reacting furnace, it is preferred that the angle α of the deflector and horizontal plane is 55 °~65 °.
Above-mentioned reacting furnace, it is preferred that the deflector is the arc panel protruded towards the outside of the hollow discharging channel.
Above-mentioned reacting furnace, it is preferred that one end of second side plate and third side plate extends to the interior of reaction furnace tube
At wall, there are spacing between one end and the inner wall for reacting furnace tube of first side plate.
Above-mentioned reacting furnace, it is preferred that the diameter of the furnace tail end cover is D, between first side plate and the second side plate
Distance be (0.14~0.17) D.
Compared with the prior art, the advantages of the present invention are as follows:
Reacting furnace furnace tail emergency exit for Acid of Hydrofluoric Acid Production technique of the invention, can be by tight when there is emergency work condition
Gas is discharged anxious delivery pipe, and dump pipe includes discharge supervisor and the coupling tube of connection, on discharge supervisor or coupling tube
Dump valve is set and can control the on-off of dump pipe, for the gas of lighter weight, coupling tube can play guidance
Effect directs it in discharge supervisor and carries out subsequent processing, for the powder in furnace hood, since powder quality is compared with gas
Weight is difficult to reach discharge supervisor across coupling tube, and the powder largely floated is intercepted and then dropped back into furnace hood by coupling tube,
The blocking of dump pipe is effectively prevented, when there is emergency work condition, furnace tail emergency exit can have reacting furnace of the invention
Effect movement, using reliable.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the reacting furnace for Acid of Hydrofluoric Acid Production technique of embodiment 1.
Fig. 2 is the schematic view of the front view of the reacting furnace furnace tail emergency exit of embodiment 1.
Fig. 3 is the schematic view of the front view of the reacting furnace furnace tail gypsum slag-draining device of embodiment 1.
Fig. 4 is the side structure schematic view of the reacting furnace furnace tail gypsum slag-draining device of embodiment 1.
Fig. 5 is the schematic view of the front view of the reacting furnace furnace tail emergency exit of embodiment 2.
Marginal data:
1, furnace hood；2, dump pipe；21, discharge supervisor；22, coupling tube；221, transition vertical tube；222, transition is oblique
Pipe；3, scum pipe；4, dump valve；A, burner；B, furnace body；C, furnace tail；B1, slag-drip opening；B11, baffle；B2, discharge with endless screw
Device；B3, scoop；B31, the first side plate；B32, the second side plate；B33, third side plate；B34, deflector；B4, furnace tail end cover.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific embodiments.
Embodiment 1:
As shown in Figure 1, present embodiments providing a kind of reacting furnace for Acid of Hydrofluoric Acid Production technique, including burner a, furnace body
Furnace tail emergency exit is equipped at b and furnace tail c, furnace tail c, in abnormal emergency work condition, furnace tail emergency exit is convenient for will be in reacting furnace
Hydrogen fluoride gas discharge processing.
As shown in Fig. 2, the reacting furnace furnace tail emergency exit of the present embodiment, the furnace tail being connected including the inner cavity with reacting furnace
Cover 1, the top of furnace hood 1 are equipped with the dump pipe 2 for gas in dump reacting furnace, and the bottom of furnace hood 1 is equipped with
For by reacting furnace gypsum discharge scum pipe 3, dump pipe 2 include horizontally disposed discharge supervisor 21 and for by
Gas is guided to the coupling tube 22 of discharge supervisor 21, and one end of coupling tube 22 is connected to the top of furnace hood 1, coupling tube 22 it is another
One end is connected to discharge supervisor 21, and discharge supervisor 21 or coupling tube 22 are equipped with for controlling the urgent of 2 on-off of dump pipe
Drain valve 4.Dump valve 4 can control the on-off of dump pipe 2, being capable of the row of directing it to for gas coupling tube 22
It puts in supervisor 21 and is discharged, for the solid powder particle floated in furnace hood 1, coupling tube 22 can play interception function, avoid
It, which enters in discharge supervisor 21, leads to tied blocking, and the powder into coupling tube 22 can also glide and melt down in hood 1, guarantees urgent
Delivery pipe 2 is in unobstructed state and is not blocked.
In the present embodiment, coupling tube 22 includes the transition vertical tube 221 being vertically arranged and the transition inclined tube 222 being obliquely installed,
One end of transition vertical tube 221 is directly connected to the top of furnace hood 1, and the other end of transition vertical tube 221 seals closing, transition inclined tube
222 one end is connected to transition vertical tube 221, and the other end of transition inclined tube 222 seals closing, one end of discharge supervisor 21 and transition
Inclined tube 222 is connected to.Transition vertical tube 221 is vertically arranged in the top of furnace hood 1, is not only convenient for gas discharge, being vertically arranged can also
The powder largely floated is truncated, and powder is difficult to be attached to slide on wall and melt down in hood 1, even if there are a small amount of powders
It can enter transition inclined tube 222, the transition inclined tube 222 being obliquely installed also can effectively stop this part powder, and the powder fallen can edge
The landing of inclined wall is melted down in hood 1, can be avoided substantially using the structure of transition vertical tube 221 and transition inclined tube 222 powder into
Enter discharge supervisor 21 and cause tied or blocking, guarantees the unimpeded of dump pipe 2.
In the present embodiment, the side of transition vertical tube 221 offers standpipe bubbler openings, transition inclined tube 222 by standpipe bubbler openings with
Transition vertical tube 221 is connected to, and the side of transition inclined tube 222 offers inclined tube opening, and discharge supervisor 21 is open by inclined tube and transition
Inclined tube 222 is connected to.The top closure of transition vertical tube 221 is connected to using the form that side is open with transition inclined tube 222, closed
Top can play the role of intercepting powder, the top closure of same transition inclined tube 222, the form and discharge being open using side
21 connection of supervisor, can also improve the interception effect to powder.
In the present embodiment, dump valve 4 is carbon steel body butterfly valve, and butterfly valve setting is on discharge supervisor 21.Carbon steel body butterfly valve
Closing dump pipe can effectively be separated, have many advantages, such as at low cost, maintenance replacement is convenient to be easy, due to carbon steel body butterfly valve peace
Installing is set on horizontally disposed discharge supervisor 21, and transition vertical tube 221 and transition inclined tube 222 can intercept most of powder, keep away
Exempted from powder it is excessive it is tied lead to defective valve on carbon steel body butterfly valve, greatly reduce the dust in furnace hood to dump
The influence of valve improves the service life of carbon steel body butterfly valve, and dump valve is arranged on horizontal discharge supervisor and is convenient for
Replacement maintenance, shortens the time of maintenance, improves effective production time, is conducive to increase output increased benefit.
In the present embodiment, butterfly valve includes valve body, valve rod and butterfly plate, and valve rod is arranged close to the intersection of valve body and butterfly plate, and
Valve rod is along butterfly plate radially across butterfly plate.Using the butterfly valve of eccentric structure, valve rod is positioned close at discharge 21 tube walls of supervisor
Position, compared to centrally-disposed butterfly valve, the impurity such as powder are not easy at the tied valve rod positioned at two sides, and reliability is more
It is good.
In the present embodiment, the opening direction of butterfly plate is identical as the flow direction of material in discharge supervisor 21.Identical setting is flowed to exist
Material can have a flushing action when flowing through to the material at dish plate, powder material is washed away backward, knot is avoided to cause on dish plate
Poorly sealed or movement is not flexible.
In the present embodiment, the closed end of transition vertical tube 221 and transition inclined tube 222 is all made of blind plate sealing closing.Transition is perpendicular
The blind plate of the closed end of pipe 221 and transition inclined tube 222 can play the role of improving barrier powder effect, when needs clean or examine
When repairing, it also can quickly remove blind plate and the inside of transition vertical tube 221 and transition inclined tube 222 is handled.
It is located at transition inclined tube 222 and 221 connecting pin of transition vertical tube in the present embodiment, on transition inclined tube 222 and inclined tube is open
Between position be equipped with blind plate.Specifically, supervisor 21 and section transitions inclined tube 222 and furnace can will be discharged by this blind plate
Hood 1 separates, and then interim checking maintenance is carried out to the pipeline of rear end.
In the present embodiment, scum pipe 4 is vertically arranged and is directly connected to the bottom of furnace hood 2.Setting is convenient for stone in this way
The discharge of cream slag.
As shown in Figure 3 and Figure 4, the reacting furnace of the present embodiment is additionally provided with furnace tail end cover b4 at furnace tail c, on furnace tail end cover b4
Equipped with furnace tail gypsum slag-draining device, furnace tail gypsum slag-draining device includes slag-drip opening b1, discharge with endless screw device b2 and a scoop b3,
Slag-drip opening b1 is opened in the center of reacting furnace furnace tail end cover b4, and discharge with endless screw device b2 is connected with slag-drip opening b1, scoop b3
It being set on the medial surface of furnace tail end cover b4, scoop b3 includes outlet end and the arrival end for scooping up gypsum tailings in reacting furnace,
The outlet end of scoop b3 is connected to slag-drip opening b1, and the outlet end of scoop b3 is equipped with the deflector convenient for gypsum tailings water conservancy diversion to be discharged
B34, deflector b34 are obliquely installed.Specifically, the outlet end of discharge with endless screw device b2 is connected to the arrival end of furnace hood 1.Reaction
Furnace can be pushed around the axis 360 degree rotation of reacting furnace, the gypsum tailings that simultaneous reactions generate to the furnace tail c of reacting furnace when running
Place, reacting furnace will drive the rotation of furnace tail gypsum slag-draining device when rotating, when scoop b3 is rotated to lower part, the arrival end of scoop b3
The gypsum tailings for sinking to reaction furnace bottom is shoveled in scoop b3, continues to rotate with reacting furnace, scoop b3 is rotated to top, shovel
Enter the outlet end that the gypsum tailings in scoop b3 slides to scoop b3 from the arrival end of scoop b3 under gravity, in deflector
Under the guidance of b34, gypsum tailings can be slides quickly into slag-drip opening b1 and then be discharged into discharge with endless screw device b2, will not be poly- in slag-drip opening b1
It is stuck that collection leads to problems such as knot block up, although only one the gypsum quantity of slag that can scoop up of the quantity of scoop b3 is limited, thoroughly solves
The problem of gypsum tailings is leaked out from remaining scoop b3, improves discharge efficiency.
In the present embodiment, scoop b3 includes the first side plate b31, the second side plate b32 and third side plate b33, the first side plate b31
With the second interval side plate b32 setting and side be fixed on furnace tail end cover b4, the two sides of third side plate b33 respectively with the first side
The other side of plate b31 and the second side plate b32 are affixed, and the first side plate b31, the second side plate b32 and third side plate b33 are close to slag-drip opening
One end of b1 is affixed with deflector b34, and the first side plate b31, the second side plate b32, third side plate b33 and deflector b34 are enclosed
Form the hollow discharging channel for gypsum tailings circulation discharge.Specifically, the first side plate b31 and the second side plate b32 are parallel to each other and set
It sets, the spacing between the first side plate b31 and the second side plate b32 is greater than the width of slag-drip opening b1, and slag-drip opening b1 is completely covered on
In scoop b3, the first side plate b31, the second side plate b32, third side plate b33 and deflector b34, which are enclosed, constitutes a rectangular-shape
Hollow discharging channel, gypsum tailings are scooped up from the arrival end of scoop b3 into hollow discharging channel, and going out for scoop b3 is then passed to
Mouth end is discharged from slag-drip opening b1 again, and hollow discharging channel can effectively prevent the gypsum tailings scooped up and fall after rise to reaction furnace bottom, mentions
The high efficiency of discharge.
In the present embodiment, slag-drip opening b1 is equipped with the baffle b11 for preventing gypsum tailings from flowing back.Specifically, baffle b11 is
The plate being covered on partial discharge mouth b1.If being not provided with baffle, when having accumulated excessive gypsum tailings at slag-drip opening b1, spiral
Discharge device b2 has little time for whole gypsum tailings to be discharged, and pressure after the gypsum tailings of part can be led to tied blocking, baffle when push is expected
B11 can prevent slag-drip opening b1 from assembling excessive gypsum tailings, avoid the tied blocking of scoop, improve discharge efficiency.
In the present embodiment, the two sides of deflector b34 are affixed with the first side plate b31 and the second side plate b32 respectively, deflector
One end of b34 and third side plate b33 are affixed, and the other end and baffle b11 of deflector b34 is affixed.Deflector b34 and the first side plate
B31, the second side plate b32, third side plate b33 are tightly connected, and are prevented the gypsum tailings in scoop b3 from draining back into reacting furnace, are led simultaneously
Flowing plate b34 cooperation baffle b11 avoids the outlet end of scoop by tied blocking, improves discharge efficiency.
In the present embodiment, the angle α of deflector b34 and horizontal plane is 60 °.Angle α is excessive to will lead to the hollow row of scoop b3
Expect that the volume in channel reduces, reduces the amount of the gypsum tailings scooped up, the diversion effect of the too small deflector b34 of angle α is poor, Bu Nengyou
Gypsum tailings is guided at slag-drip opening b1 by effect, will lead to gypsum tailings buildup at deflector b34.
In the present embodiment, deflector b34 is the arc panel protruded towards the outside of hollow discharging channel.Specifically, working as scoop
When b3 is rotated to above reacting furnace, the arc panel that protrudes outward is in shape low between the senior middle school of both sides, and two frontier junctures of arc panel
It is symmetrical in intermediate lowest part.It is more preferable using arc plate structure diversion effect, the gypsum tailings in scoop b3 can not only be guided to row
At cinder notch b1, for plate, the deflector b34 of arc plate structure can also be poly- to centre by the gypsum tailings of both sides eminence
Collection, makes gypsum tailings be in the state of flowing as far as possible, avoids stopping for a long time and causes tied problem.
In the present embodiment, one end of the second side plate b32 and third side plate b33 are extended at the inner wall of reaction furnace tube, the
There are spacing between one end of side plate b31 and the inner wall for reacting furnace tube.First side plate b31 is shorter, thus in the first side plate
Spacing between b31 and the inner wall for reacting furnace tube, which is formd, shovels the feed inlet into hollow discharging channel, second side for gypsum tailings
Plate b32 and third side plate b33 longer, guarantee often rotate a circle and can scoop up more gypsum tailings.
In the present embodiment, the diameter of furnace tail end cover b4 is 3.5m, the distance between the first side plate b31 and the second side plate b32
For 0.55m, i.e., the width of hollow discharging channel is 0.55m.The distance between first side plate b31 and the second side plate b32 cross conference
Gypsum tailings is caused to have little time to be discharged from slag-drip opening b1, product generates tied blocking to gypsum in scoop b3 for a long time, leads apart from too small
Cause can scoop up every time and the gypsum quantity of slag being discharged is limited, and the distance between the first side plate b31 and the second side plate b32 are controlled at this
Guarantee that material can sufficiently be discharged in time in range.
Embodiment 2:
The reacting furnace for Acid of Hydrofluoric Acid Production technique of the present embodiment, substantially the same manner as Example 1, main difference is in
Dump valve 4 in the furnace tail emergency exit of reacting furnace, as shown in figure 5, dump valve 4 is Kazakhstan conjunction in the present embodiment
Golden clock valve, Hastelloy clock valve are arranged at the communication port of transition vertical tube 221 and furnace hood 1.Specifically, dump valve 4 is
C-4 Hastelloy clock valve.Clock valve is arranged at the communication port of transition vertical tube 221 and furnace hood 1, is avoided that powder enters urgent row
Pipe 2 is put, the unobstructed of dump pipe 2 can be effectively ensured, when there is urgent unusual service condition, the valve body of clock valve falls open urgent row
Put pipe 2, gas is discharged from urgent delivery pipe 2, dump gas when, transition vertical tube 221 and transition inclined tube 222 can also rise
Enter the effect that discharge is responsible for 21 to powder is intercepted.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of reacting furnace furnace tail emergency exit for Acid of Hydrofluoric Acid Production technique, it is characterised in that: including in reacting furnace
The furnace hood (1) that chamber is connected, the top of the furnace hood (1) be equipped in reacting furnace described in dump gas it is urgent
Delivery pipe (2), the bottom of the furnace hood (1) is equipped with the scum pipe (3) for the gypsum in the reacting furnace to be discharged, described
Dump pipe (2) includes that horizontally disposed discharge is responsible for (21) and for guiding gas to the mistake of the discharge supervisor (21)
It crosses pipe (22), one end of the coupling tube (22) is connected to the top of the furnace hood (1), the other end of coupling tube (22) and row
Supervisor (21) connection is put, the discharge supervisor (21) or coupling tube (22) are equipped with for controlling dump pipe (2) on-off
Dump valve (4).
2. furnace tail according to claim 1 emergency exit, it is characterised in that: the coupling tube (22) includes being vertically arranged
Transition vertical tube (221) and the transition inclined tube (222) being obliquely installed, one end of the transition vertical tube (221) and the top of furnace hood (1)
Portion is directly connected to, and the other end of transition vertical tube (221) seals closing, one end of the transition inclined tube (222) and transition vertical tube
(221) it is connected to, the other end of transition inclined tube (222) seals closing, one end of the discharge supervisor (21) and the transition inclined tube
(222) it is connected to.
3. furnace tail according to claim 2 emergency exit, it is characterised in that: the side of the transition vertical tube (221) opens up
There are standpipe bubbler openings, the transition inclined tube (222) is connected to by standpipe bubbler openings with transition vertical tube (221), the transition inclined tube (222)
Side offer inclined tube opening, discharge supervisor (21) is connected to by inclined tube opening with transition inclined tube (222).
4. furnace tail according to any one of claims 1 to 3 emergency exit, it is characterised in that: the dump valve (4) is
Hastelloy clock valve, the Hastelloy clock valve are arranged at the communication port of the transition vertical tube (221) Yu furnace hood (1).
5. furnace tail according to any one of claims 1 to 3 emergency exit, it is characterised in that: the dump valve (4) is
Carbon steel body butterfly valve, the butterfly valve setting is on discharge supervisor (21).
6. furnace tail according to claim 5 emergency exit, it is characterised in that: the butterfly valve includes valve body, valve rod and butterfly plate,
The valve rod close to the intersection of the valve body and butterfly plate be arranged, and valve rod along butterfly plate radially across butterfly plate.
7. furnace tail according to claim 6 emergency exit, it is characterised in that: the opening direction of the butterfly plate and the discharge
The flow direction of material being responsible in (21) is identical.
8. furnace tail according to claim 2 emergency exit, it is characterised in that: the transition vertical tube (221) and transition inclined tube
(222) closed end is all made of blind plate sealing closing.
9. a kind of reacting furnace for Acid of Hydrofluoric Acid Production technique, it is characterised in that: including burner (a), furnace body (b) and furnace tail (c),
Furnace tail (c) place is equipped with furnace tail according to any one of claims 1 to 8 emergency exit.
10. reacting furnace according to claim 9, it is characterised in that: furnace tail (c) place is equipped with furnace tail end cover (b4), institute
Furnace tail end cover (b4) is stated equipped with furnace tail gypsum slag-draining device, the furnace tail gypsum slag-draining device includes slag-drip opening (b1), spiral
Discharge device (b2) and a scoop (b3), the slag-drip opening (b1) are opened in the center of reacting furnace furnace tail end cover (b4),
The discharge with endless screw device (b2) is connected with the slag-drip opening (b1), and the scoop (b3) is set to the inside of furnace tail end cover (b4)
On face, the scoop (b3) includes outlet end and the arrival end for scooping up gypsum tailings in reacting furnace, and the scoop (b3) goes out
Mouth end is connected to the slag-drip opening (b1), and the outlet end of the scoop (b3) is equipped with the water conservancy diversion convenient for gypsum tailings water conservancy diversion to be discharged
Plate (b34), the deflector (b34) are obliquely installed.
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| CN201910016751.5A CN109607481B (en) | 2019-01-08 | 2019-01-08 | Emergency outlet of reaction furnace tail for hydrofluoric acid production process and reaction furnace |
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|---|---|---|---|
| CN201910016751.5A CN109607481B (en) | 2019-01-08 | 2019-01-08 | Emergency outlet of reaction furnace tail for hydrofluoric acid production process and reaction furnace |
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| CN109607481B CN109607481B (en) | 2023-10-24 |
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