CN109946425A - A kind of ammonia leakage alarming device for ammonolysis craft system - Google Patents
A kind of ammonia leakage alarming device for ammonolysis craft system Download PDFInfo
- Publication number
- CN109946425A CN109946425A CN201910212062.1A CN201910212062A CN109946425A CN 109946425 A CN109946425 A CN 109946425A CN 201910212062 A CN201910212062 A CN 201910212062A CN 109946425 A CN109946425 A CN 109946425A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- alarming device
- conduit
- collector ring
- ammonolysis craft
- 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.)
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 181
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 90
- 238000005915 ammonolysis reaction Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000486406 Trachea Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention belongs to the technical fields of ammonolysis craft equipment, it is related to a kind of ammonia leakage alarming device for ammonolysis craft system, it includes ammonia detector, it further include the collector ring being sheathed at each pipe joint, it is arranged with shell outside the ammonia detector, is connected between the shell and each collector ring equipped with conduit；There is the present invention ammonia detector can detect the ammonia leaked out in time, stabilization, the effect effectively prompted operator when ammonia is revealed.
Description
Technical field
The present invention relates to the technical fields of ammonolysis craft equipment, reveal more particularly, to a kind of ammonia for ammonolysis craft system
Warning device.
Background technique
In large-scale industrial production, for the processing step that needs are heated at high temperature, protective gas is often used, it will
Heating object and air exclusion, so that heating object be avoided to aoxidize.Nitrogen and hydrogen can be employed as protective gas, and the two again may be used
It is made by decomposing ammonia, therefore this kind of processing factory is furnished with ammonolysis craft system mostly.
Currently, the Chinese patent that notification number is CN2789219Y discloses a kind of ammonia destruction furnace, it includes liner cabinet, sets
It is placed in the flue in liner cabinets cavity, at least two tracheaes on liner cabinet, tracheae is connected with the inner cavity of flue,
It is provided with more central tubes in the inner cavity of the liner cabinet, heating wire, the central tube both ends outside are provided on central tube
Liner cabinet wall on be provided with multipair mounting hole, casing is fixed in each mounting hole, the both ends of central tube are inserted respectively
In the casing, there is casing cover on the outer port part of described sleeve pipe.
It is limited by production technology, the junction of each length of tubing, which is difficult to ensure, on tracheae is fully sealed, and there are ammonia leakages
Possibility.Ammonia is soluble easily in water, and the ammonium hydroxide of generation has certain alkalinity, can cause to damage to the mucous membrane of respiratory system after being sucked by people
Wound.Therefore, ammonolysis craft system needs to configure warning device, for monitoring whether ammonia is revealed, and it is right in time after ammonia leakage
Staff prompts.
Existing ammonia leakage alarming device is mainly made of ammonia detector and alarm controller, and the two is electrically connected,
Indoor ammonia concentration is monitored by ammonia detector.When ammonia level is exceeded, ammonia detector exports electric signal to report
Alert controller, the flashing of alarm controller control instructions lamp, buzzer warning etc..
In view of the density ratio air of ammonia is small, the mounting height of ammonia detector generally than source of release eminence 0.5~
2m, and there are the headroom for being not less than 0.3m near ammonia detector.In actual use, there are stagnant for this warning device
Property and unstability afterwards.On the one hand, ammonia from be leaked to diffuse to ammonia detector from need certain time, i.e. ammonia detector
The ammonia at leakage can not be detected in time.On the other hand, in fact it could happen that ammonia source of release often have it is multiple, with ammonia detect
The distance between device has with short, and when indoor air flows are very poor, the ammonia leaked out is difficult to diffuse to ammonia detector
Place.Above situation will lead to warning device can not prompt staff in time, and there are security risks.
Summary of the invention
The object of the present invention is to provide a kind of ammonia leakage alarming devices for ammonolysis craft system, detect with ammonia
Device can detect the ammonia leaked out in time, when ammonia is revealed stable, effectively prompted operator
Effect.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of ammonia leakage alarming device for ammonolysis craft system, including ammonia detector further include being sheathed on each pipeline to connect
Collector ring at head, the ammonia detector are arranged with shell outside, are connected between the shell and each collector ring equipped with conduit.
By using above-mentioned technical proposal, when occurring ammonia leakage at pipe joint, the ammonia of spilling by collector ring and
Conduit limitation, flows directly into enclosure interior, and the degree being diluted is lower after the two is filled, so that the intracorporal ammonia detection of shell
Device can detect the ammonia leaked out in time, stable when ammonia is revealed, effectively prompt operator.
The present invention is further arranged to: the conduit is equipped with multiple, conduit and collector ring one-to-one correspondence, each conduit parallel connection company
It connects.
By using above-mentioned technical proposal, each conduit is connected in parallel, and is individually connected to collector ring with shell so that ammonia by
The distance that collector ring is passed through during moving to enclosure interior is most short, and ammonia detector can be detected quickly outside ammonia
It lets out, and then makes alarm controller and alarm.
The present invention is further arranged to: the conduit is equipped with air passage one-way valve towards shell one end.
By using above-mentioned technical proposal, after wherein pipe joint is revealed at one, need in time to tie up it
It repairs, and in maintenance heel row empty set compression ring, conduit and the intracorporal ammonia of shell, avoids residual ammonia from influencing subsequent monitoring, therefore gas is set
Road check valve avoids the intracorporal ammonia of shell from flowing backward in other conduits, only for shell and the collector ring revealed, conduit need to occurs
Carry out ammonia emptying operation.
The present invention is further arranged to: air pump and return pipe are equipped between the shell and collector ring.
By using above-mentioned technical proposal, under the driving of air pump, the intracorporal gas of shell flows into each collector ring by return pipe,
Positive pressure is formed at collector ring, forms negative pressure inside housings, and then the gas in collector ring is driven to flow to shell by conduit, greatly
The big gas circulation reinforced between collector ring-conduit-shell, when occurring ammonia leakage at pipe joint, ammonia can by and
When be carried at ammonia detector, detected by ammonia detector, and then make alarm controller and alarm.
The present invention is further arranged to: the collector ring includes symmetrically arranged two semicircle splicing blocks, the splicing
The internal diameter of block is equal to the outer diameter of tracheae, and splicing block offers air drain towards tracheae side, and two splicing block both ends bolt respectively, institute
Length direction elongated setting of the air drain along splicing block is stated, the conduit is connected to one of air drain.
By using above-mentioned technical proposal, collector ring is made of two splicing blocks bolt, and when dismounting is convenient and efficient, convenient for pair
The pipe joint for occurring revealing repairs.
The present invention is further arranged to: the inner sidewall of the splicing block offers seal groove, and seal groove is parallel to air drain and sets
It sets, is correspondingly provided with annular seal plate on the lateral wall of tracheae.
By using above-mentioned technical proposal, in sealing plate embedding sealing slot, enhance the sealing of splicing block and tracheae joint
Property, enable to leak to the ammonia inflow catheter as much as possible in collector ring, is detected subsequently into shell by ammonia detector
It arrives.
The present invention is further arranged to: the inner wall of the seal groove is equipped with elastic insert, the elastic insert it is transversal
Face is U-shaped, and elastic insert is coated on outside sealing plate.
By using above-mentioned technical proposal, elastic insert is coated on outside sealing plate, will be between sealing plate and seal groove inner wall
Gap filling, further enhance the leakproofness at this.
The present invention is further arranged to: the elastic insert and sealing plate are interference fitted, and the sealing plate is backwards to tracheae one
The two sides at end are equipped with chamfering.
By using above-mentioned technical proposal, chamfering is set, convenient for making sealing plate be caught in elastic insert, when collector ring is installed compared with
For convenience.
In conclusion advantageous effects of the invention are as follows:
1, ammonia detector can detect the ammonia leaked out in time, stable when ammonia is revealed, effectively to operation
Personnel prompt；
2, ammonia from collector ring diffuse to enclosure interior needed for the time it is shorter, ammonia detector can quickly detect ammonia
Leakage；
3, collector ring has preferable leakproofness, and ammonia is avoided directly to leak from collector ring.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；
Fig. 2 is in embodiment 1 for embodying the structural schematic diagram of collector ring；
Fig. 3 is the overall structure diagram of the embodiment of the present invention 2.
In figure, 1, ammonia detector；2, alarm controller；3, collector ring；4, shell；5, conduit；6, air passage one-way valve；7,
Air pump；8, return pipe；9, tracheae；31, splicing block；32, connecting plate；33, bolt；34, air drain；35, seal groove；36, sealing plate；
37, elastic insert.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1
It referring to Fig.1, is a kind of ammonia leakage alarming device for ammonolysis craft system disclosed in the embodiment of the present invention 1, including ammonia
Gas detector 1, alarm controller 2,4, three conduits 5 of shell and three collector rings 3.Wherein, ammonia detector 1 and controlling alarm
Device 2 is fixed on the wall, and the two is electrically connected.Shell 4 is coated on outside ammonia detector 1, hemi-closure space is constituted, with wall
Junction do not have leakproofness.Three collector rings 3 are respectively sleeved at the pipe joint of three tracheaes 9, and three conduits 5 then divide
Corresponding collector ring 3 is not connected with shell 4, conduit 5 is connected in parallel.
When there is ammonia leakage at the pipe joint on certain root tracheae 9, the ammonia of spilling is limited by collector ring 3, can not
Interior is directly diffused to, but is flowed into inside shell 4 by conduit 5, is then detected by ammonia detector 1, and then make to alarm
The alarm such as 2 control instructions lamp of controller, buzzer.
Referring to Fig.1, conduit 5 has air passage one-way valve 6 towards the access of 4 one end of shell, so that ammonia can only flow to shell by conduit 5
It, can not be by flowing backward in other conduits 5 and collector ring 3 for not occurring ammonia leakage inside shell 4 inside body 4.
Referring to Fig. 2, collector ring 3 is spliced by two semicircle splicing blocks 31.Two 31 both ends of splicing block are respectively equipped with
Connecting plate 32, two-by-two relatively, bolt 33 are worn thereon, and splicing block 31 is linked together.
Referring to Fig. 2, the internal diameter of splicing block 31 is equal to the outer diameter of tracheae 9, and the lateral wall of inner sidewall and tracheae 9 closely pastes
It closes.In addition, splicing block 31 offers one of air drain 34 and two seals slot 35 towards 9 side of tracheae.
Referring to Fig. 2, air drain 34 is along the elongated setting of length direction of splicing block 31, and cross section is U-shaped, for accommodating pipeline
The structures such as the ring flange of joint, conduit 5 are then connected to one of air drain 34.
Referring to Fig. 2, two seals slot 35 is parallel with air drain 34, also along the elongated setting of length direction of splicing block 31, respectively
Positioned at 34 two sides of air drain.Correspondingly, be respectively equipped with sealing plate 36 on the tracheae 9 of pipe joint two sides, sealing plate 36 in a ring, with
The axis of tracheae 9 is vertical, affixed with the lateral wall of tracheae 9.
Referring to Fig. 2, the side wall and slot bottom of seal groove 35 are equipped with elastic insert 37 made of rubber, and sealing plate 36 is embedded in close
When in sealing groove 35, two sides and end face offset with elastic insert 37, the two interference fit.Sealing plate 36 squeezes elastic insert
37, make its stress deformation, by the gap filling between 35 inner wall of sealing plate 36 and seal groove, to enhance the leakproofness at this.
Referring to Fig. 2, in order to be embedded in sealing plate 36 in elastic insert 37, two sides of the sealing plate 36 backwards to 9 one end of tracheae
Chamfering is set, and the end face width backwards to 9 one end of tracheae is less than the gap width in elastic insert 37.
The implementation principle of above-described embodiment are as follows:
When there is ammonia leakage at the pipe joint on certain root tracheae 9, the ammonia of spilling is limited by collector ring 3, can not be direct
Interior is diffused to, but is flowed into inside shell 4 by conduit 5, is then detected by ammonia detector 1, and then make controlling alarm
The alarm such as 2 control instructions lamp of device, buzzer.
Embodiment 2
Difference from example 1 is that each conduit 5 is no longer connected in parallel referring to Fig. 3, but by three collector rings 3 and shell
Body 4 is together in series, and is connected to shell 4 with head end collector ring 3 in addition, being additionally provided with return pipe 8, forms complete circuit.Air pump 7 connects
Enter in return pipe 8, power is provided and drives gas circulating flow in circuit.At this point, shell 4 is close to wall, the two junction
With certain leakproofness.
The implementation principle of above-described embodiment are as follows:
Under the driving of air pump 7, the gas in shell 4 flows into each collector ring 3 by return pipe 8, and positive pressure is formed at collector ring 3,
Negative pressure is formed inside shell 4, and then the gas in collector ring 3 is driven to flow to shell 4 by conduit 5, is occurred at pipe joint
When ammonia is revealed, ammonia can be carried in time at ammonia detector 1, be detected by ammonia detector 1.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of ammonia leakage alarming device for ammonolysis craft system, including ammonia detector (1), it is characterised in that: also wrap
The collector ring (3) being sheathed at each pipe joint is included, is arranged with shell (4) outside the ammonia detector (1), the shell (4)
Conduit (5) are equipped between each collector ring (3) to be connected.
2. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 1, it is characterised in that: described
Conduit (5) is equipped with multiple, and conduit (5) and collector ring (3) correspond, and each conduit (5) is connected in parallel.
3. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 2, it is characterised in that: described
Conduit (5) is equipped with air passage one-way valve (6) towards shell (4) one end.
4. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 1, it is characterised in that: described
Air pump (7) and return pipe (8) are equipped between shell (4) and collector ring (3).
5. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 1, it is characterised in that: described
Collector ring (3) includes symmetrically arranged two semicircle splicing blocks (31), and the internal diameter of the splicing block (31) is equal to tracheae (9)
Outer diameter, splicing block (31) offer air drain (34) towards tracheae (9) side, and two splicing block (31) both ends bolt respectively, described
Along the elongated setting of length direction of splicing block (31), the conduit (5) is connected to air drain (34) with one of air drain (34).
6. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 5, it is characterised in that: described
The inner sidewall of splicing block (31) offers seal groove (35), and seal groove (35) is parallel to air drain (34) setting, the outside of tracheae (9)
Annular seal plate (36) are correspondingly provided on wall.
7. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 6, it is characterised in that: described
The inner wall of seal groove (35) is equipped with elastic insert (37), and the cross section of the elastic insert (37) is U-shaped, elastic insert (37)
It is coated on sealing plate (36) outside.
8. a kind of ammonia leakage alarming device for ammonolysis craft system according to claim 7, it is characterised in that: described
Elastic insert (37) and sealing plate (36) are interference fitted, and the sealing plate (36) is equipped with backwards to the two sides of tracheae (9) one end
Chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212062.1A CN109946425A (en) | 2019-03-20 | 2019-03-20 | A kind of ammonia leakage alarming device for ammonolysis craft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212062.1A CN109946425A (en) | 2019-03-20 | 2019-03-20 | A kind of ammonia leakage alarming device for ammonolysis craft system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109946425A true CN109946425A (en) | 2019-06-28 |
Family
ID=67011097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212062.1A Pending CN109946425A (en) | 2019-03-20 | 2019-03-20 | A kind of ammonia leakage alarming device for ammonolysis craft system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797448A (en) * | 2022-04-02 | 2022-07-29 | 天津丰东热处理有限公司 | Ammonia decomposition furnace for exhaust of heat treatment nitriding furnace |
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