CN108005967A - A kind of smoke of gunpowder vacuum induction apparatus - Google Patents
A kind of smoke of gunpowder vacuum induction apparatus Download PDFInfo
- Publication number
- CN108005967A CN108005967A CN201711286377.8A CN201711286377A CN108005967A CN 108005967 A CN108005967 A CN 108005967A CN 201711286377 A CN201711286377 A CN 201711286377A CN 108005967 A CN108005967 A CN 108005967A
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- nozzle
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- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention relates to a kind of smoke of gunpowder vacuum induction apparatus, belong to waste gas recovery process field.The vacuum induction apparatus of the present invention, including injecting chamber, nozzle and injector cylinder；Injecting chamber includes injection outer barrel and extends radially through the pressure sky inner cylinder of injection outer tube side wall；The outer wall back segment of nozzle is cylindrical section, leading portion is convergent conical section forward, and the inner cavity of nozzle is convergent tapered channel forward；The inner cavity of injector cylinder is followed successively by suction casing, compression section, trunnion section and pressure-stabilizing section from back to front；The rear end of nozzle is threaded into the end oral area of the horizontal inlet channel of injection chamber pressure sky inner cylinder, and injector cylinder back-end and the front end of injecting chamber injection outer barrel are fixed.The vacuum induction apparatus of the present invention is simple in structure small, and smoke of gunpowder ejector capacity is strong, the empty consumption of pressure is low.
Description
Technical field
The present invention relates to a kind of smoke of gunpowder vacuum induction apparatus, belong to waste gas recovery process field.
Background technology
It is stringenter to the processing of the smoke of gunpowder containing nitrogen oxide and discharge standard with the increasingly sharp increase of environmental protection pressure.Production
Caused high temperature smoke of gunpowder steam needs to be discharged into after collecting by recovery system in smoke of gunpowder processing equipment.Traditional handicraft is utilized in
The mode of injection compressed air in recovery pipe, makes the recovery pipe port of export form negative pressure, realizes that smoke of gunpowder steam is produced from the smoke of gunpowder
Device is arranged at processing equipment.The smoke of gunpowder induction apparatus structure used in traditional smoke of gunpowder recovery process is as shown in Figure 1, there are problem
It is：Injection smoke of gunpowder ability is limited, and when compressed air pressure reaches a certain range, ejector capacity is no longer lifted, and the smoke of gunpowder cannot be thorough
Bottom is drawn, and is caused part to leak, is influenced environmental quality.Existing smoke of gunpowder induction apparatus designed capacity is 3-5 times of practical capacity, is made
It is huge (length reaches 1.5-2 meters) into smoke of gunpowder induction apparatus, press empty consumption height (700m3/ more than h).
The content of the invention
The purpose of the present invention is to solve traditional smoke of gunpowder induction apparatus, there are injection smoke of gunpowder energy force difference, the empty consumption of pressure
High, the problems such as device volume is huge, and a kind of smoke of gunpowder vacuum induction apparatus is provided.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of smoke of gunpowder vacuum induction apparatus of the present invention, including inlet ductwork, pressure blank pipe road, injecting chamber, nozzle and injection
Device cylinder；
The outer wall back segment of the nozzle is cylindrical section, leading portion is convergent conical section forward, after outer nozzle wall cylindrical section
End is machined with external screw thread, and the inner cavity of nozzle is convergent tapered channel forward, and the front end oral area of nozzle chamber is and tapered channel
The cylindrical section to connect, 2.0~2.2 times of a diameter of nozzle chamber front end oral area cylindrical section internal diameter of outer nozzle wall cylindrical section, nozzle
The taper of inner cavity tapered channel is 13 °~16 °, and the taper of outer nozzle wall conical section is 22 °~25 °, nozzle chamber cylindrical section
Length accounts for the 6%~8% of nozzle total length；
Injecting chamber includes injection outer barrel and the empty inner cylinder of pressure, and the inner cavity of injection outer barrel is stepped cylinder shape through hole, outside injection
Internal thread is machined with the less cylindrical hole of tube inner chamber back segment internal diameter, the outer wall of injecting chamber injection outer barrel is provided with connection method
It is blue；The side wall of the larger cylindrical hole of the outer tube inner chamber leading portion internal diameter of injection is provided with the pressure sky inner cylinder extended radially through, presses empty inner cylinder
Lower end oral area be machined with internal thread, press the at the end of the axial that empty inner cylinder be located at injection tube inner chamber to be outside extended with horizontal cylindrical forward
Inlet channel, and the inner cavity axis of horizontal inlet channel is consistent with the inner cavity axis of injecting chamber；The end port of horizontal inlet channel
Portion is machined with internal thread；
The intracavity posterior end of injector cylinder is internal diameter and the larger cylindrical hole of the outer tube inner chamber leading portion internal diameter of injecting chamber injection
The suction casing that internal diameter matches, the front end of injector cylinder lumen suction casing be followed successively by forward convergent pyramidal structure compression section,
Cylindrical structure trunnion section, the pyramidal structure pressure-stabilizing section expanded forward；The both ends outer wall of injector cylinder is both provided with connection method
It is blue；
The initiating terminal internal diameter of injector cylinder lumen compression section is 2.3~2.5 times of spray nozzle front end oral area outside diameter, injector
The taper of cylinder lumen compression section is 34 °~36 °；The internal diameter of injector cylinder lumen trunnion section is spray nozzle front end oral area outside diameter
2.6~2.8 times, the length of injector cylinder lumen trunnion section is 2.0~2.4 times of spray nozzle front end oral area outside diameter；Injector cylinder
The taper of intracoelomic cavity pressure-stabilizing section is 10 °~12 °；
The rear end of nozzle is threaded into the end oral area of the horizontal inlet channel of injection chamber pressure sky inner cylinder, after injector cylinder
End and the injection outer cylinder front end flanged joint of injecting chamber, make the inner cavity axis of nozzle consistent with injector cylinder lumen axis；Draw
The rear end for penetrating room injection outer barrel is threadedly coupled the inlet ductwork of flanged interface, and the outer end connection of injection chamber pressure sky inner cylinder is flanged
The pressure blank pipe road of interface.
The compression section import distance of nozzle and injector cylinder lumen is preferably 3mm.
The course of work
Pressure sky inner cylinder of the compressed air through pressure blank pipe road and injecting chamber, sprays from the oral area of nozzle, forms high-speed jet, band
The air of dynamic injector cylinder suction casing inner cavity injection forward, makes injecting chamber and the inlet ductwork of its rear end form vacuum, into
The flue gas occurrence of equipment of mouth pipeline rear end connection is aspirated, and flue gas is via tube inner chamber, injection outside inlet ductwork, injecting chamber injection
After device cylinder lumen suction casing, compression is sufficiently mixed in the compression section of injector cylinder lumen, trunnion section successively, carries out molecule expansion
Dissipate and energy exchange, mixed flue gas speed tend to be balanced, while with the rise of pressure；Last mixed flue gas enters injector cylinder
The pressure-stabilizing section of intracoelomic cavity, speed decline, and pressure continues to raise and tends towards stability, the mixed flue gas at the outlet of injector cylinder
Pressure is higher than the flue gas pressures of injecting chamber, so as to complete the flue gas injection from inlet ductwork to injector cartridge outlet.
Beneficial effect
The vacuum induction apparatus of the present invention is simple in structure small, and smoke of gunpowder ejector capacity is strong, the empty consumption of pressure is low.The present invention
Vacuum induction apparatus when pressing the pressure pneumatics power on blank pipe road be 0.12~0.22MPa, pressure sky dosage is 80m3/ h~145m3/ h,
15~40kg/h of smoke of gunpowder ejector capacity.
Brief description of the drawings
Fig. 1 is the structure diagram of traditional smoke of gunpowder induction apparatus；
Fig. 2 is the structure diagram of vacuum induction apparatus of the present invention；
Fig. 3 is that pressure pneumatics power constant lower spray nozzle front end oral area of the vacuum induction apparatus of embodiment on pressure blank pipe road extremely sprays
The distance of device cylinder lumen compression section import and the correspondence curve of drawing smoke flow；
Fig. 4 be embodiment vacuum induction apparatus spray nozzle front end oral area to injector cylinder lumen compression section import away from
From it is constant when press the pressure pneumatics power and the correspondence curve of drawing smoke flow on blank pipe road 2；
In figure, 1- inlet ductworks；2- pressure blank pipes road；3- injecting chambers；4- nozzles；5- injector cylinders；51- suction casings；52-
Compression section；53- trunnion sections；54- pressure-stabilizing sections.
Embodiment
Present disclosure is described further with reference to the accompanying drawings and examples.
Embodiment
A kind of smoke of gunpowder vacuum induction apparatus of the present invention, as shown in Fig. 2, including inlet ductwork 1, pressure blank pipe road 2, injecting chamber
3rd, nozzle 4 and injector cylinder 5；
The outer wall back segment of the nozzle 4 is cylindrical section, leading portion is convergent conical section forward, 4 outer wall cylindrical section of nozzle
Rear end is machined with external screw thread, and the inner cavity of nozzle 4 is convergent tapered channel forward, and the front end oral area of 4 inner cavity of nozzle is and taper
The cylindrical section that passage connects, the internal diameter of 4 inner cavity front end oral area cylindrical section of nozzle is 6mm, and 4 outer wall cylindrical section of nozzle is a diameter of
12mm, the taper of 4 inner cavity tapered channel of nozzle is 15 °, and the taper of outer nozzle wall conical section is 23 °, nozzle chamber cylindrical section
Length is 6mm, and nozzle total length degree is 82mm, 4 intracavity posterior end import internal diameter 24mm of nozzle；
Injecting chamber 3 includes injection outer barrel and the empty inner cylinder of pressure, and the inner cavity of injection outer barrel is stepped cylinder shape through hole, outside injection
Internal thread is machined with the less cylindrical hole of tube inner chamber back segment internal diameter, the outer wall of 3 injection outer barrel of injecting chamber is provided with connection
Flange；The side wall of the larger cylindrical hole of the outer tube inner chamber leading portion internal diameter of injection is provided with the pressure sky inner cylinder extended radially through, presses in sky
The lower end oral area of cylinder is machined with internal thread, presses the at the end of the axial that empty inner cylinder is located at the outer tube inner chamber of injection to be extended with cylindrical shape water forward
Flat inlet channel, and the inner cavity axis of horizontal inlet channel is consistent with the inner cavity axis of injecting chamber 3；The end of horizontal inlet channel
Oral area is machined with internal thread；
The intracavity posterior end of injector cylinder 5 is more large cylindrical logical for internal diameter and the outer tube inner chamber leading portion internal diameter of 3 injection of injecting chamber
The suction casing 51 that hole internal diameter matches, the front end of 5 inner cavity suction casing 51 of injector cylinder are followed successively by convergent pyramidal structure forward
Compression section 52, cylindrical structure trunnion section 53, the pyramidal structure pressure-stabilizing section 54 expanded forward；The both ends outer wall of injector cylinder 5
It is both provided with connecting flange；
The length of 5 suction casing 51 of injector cylinder is 90mm, internal diameter 65mm；The length of 5 compression section 52 of injector cylinder
For 22mm, inlet diameter 28mm, taper is 35 °；The length of 5 trunnion section 53 of injector cylinder is 34mm, internal diameter 16mm；Spray
The taper of 5 pressure-stabilizing section 54 of emitter cylinder is 11 °, and the front end exit internal diameter of 5 pressure-stabilizing section 54 of injector cylinder is 50mm.
The rear end of nozzle 4 is threaded into the end oral area that injecting chamber 3 presses the horizontal inlet channel of empty inner cylinder, injector cylinder 5
Rear end and injecting chamber 3 injection outer cylinder front end flanged joint, make the inner cavity axis and 5 inner cavity axis of injector cylinder of nozzle 4
Unanimously；The rear end of 3 injection outer barrel of injecting chamber is threadedly coupled the inlet ductwork 1 of flanged interface, and injecting chamber 3 presses the outer end of empty inner cylinder
The pressure blank pipe road 2 of connect band flange-interface.
The course of work
Pressure sky inner cylinder of the compressed air through pressure blank pipe road 2 and injecting chamber 3, sprays from the oral area of nozzle 4, forms high rapid fire
Stream, drives the air of 51 inner cavity of injector cylinder 5 suction casing injection forward, forms injecting chamber 3 and the inlet ductwork of its rear end 1
Vacuum, aspirates the flue gas occurrence of equipment of 1 rear end of inlet ductwork connection, flue gas is via inlet ductwork 1,3 injection of injecting chamber
After outer tube inner chamber, 5 inner cavity suction casing 51 of injector cylinder, filled successively in the compression section 52 of 5 inner cavity of injector cylinder, trunnion section 53
Divide mixing compression, carry out molecule diffusion and energy exchange, mixed flue gas speed tends to be balanced, while the rise of adjoint pressure；Most
Mixed flue gas enters the pressure-stabilizing section 54 of 5 inner cavity of injector cylinder afterwards, and speed declines, and pressure continues to raise and tends towards stability, spraying
Mixed flue gas pressure during the outlet of emitter cylinder 5 is higher than the flue gas pressures of injecting chamber 3, so as to complete from inlet ductwork 1 to spray
The flue gas injection that emitter cylinder 5 exports.
Ejector capacity verification experimental verification is carried out to the vacuum induction apparatus of embodiment.Before experiment, the fixed smoke of gunpowder vacuum of level is drawn
Injection device；Pressure blank pipe road 2 is connected with air-pressure equipment, and installs pressure reducing valve, pressure sensor on pressure blank pipe road 2；Inlet ductwork 1
Rear end oral area installs vacuum transducer, air flow sensor directly with being air connected in inlet ductwork 1.
Test 1：The level pressure pneumatics power for adjusting pressure blank pipe road 2 is 0.20MPa, adjustment 4 front end oral area of nozzle and injector cylinder
When the compression section 52 import distance (L) of 5 inner cavity of body changes between 0~5mm, the show value M of air flow sensor is recorded
(kg/h), L-M curves are obtained, as shown in Figure 3；Analysis understands that in 3.0mm, ejector capacity maximum (39.8kg/h), L's L exists
When 0mm, 5mm, ejector capacity minimum (6.2kg/h), L-M curves are essentially normal distribution.
Test 2：4 front end oral area of fixed nozzle and the compression section 52 import distance (L) of 5 inner cavity of injector cylinder are 3mm, are adjusted
When the pressure pneumatics power (P) on section pressure blank pipe road 2 changes between 0.1~0.3MPa, the show value M of air flow sensor is recorded
(kg/h), P-M curves are obtained, as shown in Figure 4；Analysis understands that flex point occur in P-M curves during 0.20MPa, continues increase pressure pneumatics
Power, ejector capacity increase amplitude reduce.
Claims (4)
1. a kind of smoke of gunpowder vacuum induction apparatus, it is characterized in that：Including inlet ductwork, pressure blank pipe road, injecting chamber, nozzle and injector
Cylinder；
The outer wall back segment of the nozzle is cylindrical section, leading portion for convergent conical section, the rear end of outer nozzle wall cylindrical section add forward
Work has external screw thread, and the inner cavity of nozzle is convergent tapered channel forward, and the front end oral area of nozzle chamber is to connect with tapered channel
Cylindrical section；
Injecting chamber includes injection outer barrel and the empty inner cylinder of pressure, and the inner cavity of injection outer barrel is stepped cylinder shape through hole, in injection outer barrel
Internal thread is machined with the less cylindrical hole of chamber back segment internal diameter, the outer wall of injecting chamber injection outer barrel is provided with connecting flange；
The side wall of the larger cylindrical hole of the outer tube inner chamber leading portion internal diameter of injection is provided with the pressure sky inner cylinder extended radially through, presses under empty inner cylinder
Port part is machined with internal thread, presses the at the end of the axial that empty inner cylinder is located at the outer tube inner chamber of injection to be extended with horizontal cylindrical air inlet forward
Passage, and the inner cavity axis of horizontal inlet channel is consistent with the inner cavity axis of injecting chamber；The end oral area of horizontal inlet channel adds
Work has internal thread；
The intracavity posterior end of injector cylinder is internal diameter and the larger cylindrical hole internal diameter of the outer tube inner chamber leading portion internal diameter of injecting chamber injection
The suction casing to match, the front end of injector cylinder lumen suction casing are followed successively by convergent pyramidal structure compression section, cylinder forward
Body structure trunnion section, the pyramidal structure pressure-stabilizing section expanded forward；The both ends outer wall of injector cylinder is both provided with connecting flange；
The rear end of nozzle is threaded into the end oral area of the horizontal inlet channel of injection chamber pressure sky inner cylinder, the rear end of injector cylinder with
The injection outer cylinder front end flanged joint of injecting chamber, makes the inner cavity axis of nozzle consistent with injector cylinder lumen axis；Injecting chamber
The rear end of injection outer barrel is threadedly coupled the inlet ductwork of flanged interface, the outer end connect band flange-interface of injection chamber pressure sky inner cylinder
Pressure blank pipe road.
2. a kind of smoke of gunpowder vacuum induction apparatus as claimed in claim 1, it is characterized in that：The pressure of nozzle and injector cylinder lumen
Contracting section import distance is 3mm.
3. a kind of smoke of gunpowder vacuum induction apparatus as claimed in claim 1 or 2, it is characterized in that：The outer nozzle wall cylindrical section is straight
Footpath is 2.0~2.2 times of nozzle chamber front end oral area cylindrical section internal diameter, and the taper of nozzle chamber tapered channel is 13 °~16 °,
The taper of outer nozzle wall conical section is 22 °~25 °, and the length of nozzle chamber cylindrical section accounts for the 6%~8% of nozzle total length.
4. a kind of smoke of gunpowder vacuum induction apparatus as claimed in claim 1 or 2, it is characterized in that：Injector cylinder lumen compression section
Initiating terminal internal diameter be 2.3~2.5 times of spray nozzle front end oral area outside diameter, the taper of injector cylinder lumen compression section for 34 °~
36°；The internal diameter of injector cylinder lumen trunnion section is 2.6~2.8 times of spray nozzle front end oral area outside diameter, injector cylinder lumen larynx
The length of pipeline section is 2.0~2.4 times of spray nozzle front end oral area outside diameter；The taper of injector cylinder lumen pressure-stabilizing section for 10 °~
12°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286377.8A CN108005967A (en) | 2017-12-07 | 2017-12-07 | A kind of smoke of gunpowder vacuum induction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286377.8A CN108005967A (en) | 2017-12-07 | 2017-12-07 | A kind of smoke of gunpowder vacuum induction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005967A true CN108005967A (en) | 2018-05-08 |
Family
ID=62057524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286377.8A Pending CN108005967A (en) | 2017-12-07 | 2017-12-07 | A kind of smoke of gunpowder vacuum induction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003778A (en) * | 2019-12-30 | 2020-04-14 | 上海交通大学 | Heavy metal-containing contaminated acid vulcanization reaction device with gas phase pressure gradient |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397295Y (en) * | 1999-10-15 | 2000-09-20 | 方樟林 | Water-spraying vacuum pump |
| CN202646180U (en) * | 2012-05-30 | 2013-01-02 | 河南省煤气（集团）有限责任公司 | Lampblack injection device for replacing oil tank smoke exhaust fan |
| CN104454670A (en) * | 2014-10-22 | 2015-03-25 | 江苏振华泵业制造有限公司 | Vapor-liquid mixed-pumping type injection pump |
| US20170241593A1 (en) * | 2016-02-23 | 2017-08-24 | Charles Koch | Liquid propane injection pump |
| CN206636848U (en) * | 2017-04-06 | 2017-11-14 | 泰兴市热工仪表厂 | A kind of antidetonation jet pump |
-
2017
- 2017-12-07 CN CN201711286377.8A patent/CN108005967A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397295Y (en) * | 1999-10-15 | 2000-09-20 | 方樟林 | Water-spraying vacuum pump |
| CN202646180U (en) * | 2012-05-30 | 2013-01-02 | 河南省煤气（集团）有限责任公司 | Lampblack injection device for replacing oil tank smoke exhaust fan |
| CN104454670A (en) * | 2014-10-22 | 2015-03-25 | 江苏振华泵业制造有限公司 | Vapor-liquid mixed-pumping type injection pump |
| US20170241593A1 (en) * | 2016-02-23 | 2017-08-24 | Charles Koch | Liquid propane injection pump |
| CN206636848U (en) * | 2017-04-06 | 2017-11-14 | 泰兴市热工仪表厂 | A kind of antidetonation jet pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003778A (en) * | 2019-12-30 | 2020-04-14 | 上海交通大学 | Heavy metal-containing contaminated acid vulcanization reaction device with gas phase pressure gradient |
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Application publication date: 20180508 |