CN112283579A - Low-nitrogen air inlet control device for cement rotary kiln production - Google Patents
Low-nitrogen air inlet control device for cement rotary kiln production Download PDFInfo
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- CN112283579A CN112283579A CN202011172673.7A CN202011172673A CN112283579A CN 112283579 A CN112283579 A CN 112283579A CN 202011172673 A CN202011172673 A CN 202011172673A CN 112283579 A CN112283579 A CN 112283579A
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- placing
- nitrogen
- rotary kiln
- control device
- air inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0103—Exterior arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0352—Pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/032—Control means using computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of cement rotary kiln production, in particular to a low-nitrogen air inlet control device for cement rotary kiln production, which aims at solving the problems that the low-nitrogen air inlet control device for cement rotary kiln production in the prior art is inconvenient to accurately control nitrogen flow and cannot timely connect nitrogen. The nitrogen flow control device is reasonable in structure and simple to operate, can conveniently control the flow of nitrogen, cannot influence the normal production operation of production when the nitrogen is replaced, and is easy to popularize and use.
Description
Technical Field
The invention relates to the field of cement rotary kiln production, in particular to a low-nitrogen air inlet control device for cement rotary kiln production.
Background
Nitrogen is an inert gas and often serves as a shielding gas in production and life. In the prior art, when the cement rotary kiln is used for producing products, nitrogen is often introduced into the cement rotary kiln, so that the content of oxygen in the cement rotary kiln is reduced, and the oxidation of the products is avoided.
At present, when letting in cement rotary kiln with nitrogen gas inside, the mode of often adopting is the inside that nitrogen gas in the skill nitrogen cylinder let in cement rotary kiln between, this kind of mode is though simple, but has more defect, be inconvenient carry out accurate control to the flow of nitrogen gas on the one hand, on the other hand then is when nitrogen gas in the nitrogen cylinder is used up, inconvenient timely continuation nitrogen gas, thereby influence the quality of product, for this reason, this scheme has proposed a cement rotary kiln production is with low nitrogen controlling means that admits air.
Disclosure of Invention
The invention provides a low-nitrogen air inlet control device for cement rotary kiln production, which solves the problems that the low-nitrogen air inlet control device for cement rotary kiln production in the prior art is inconvenient to accurately control nitrogen flow and is not timely in continuous nitrogen connection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-nitrogen air inlet control device for cement rotary kiln production comprises a placing cabinet and two nitrogen bottles, wherein an opening is formed in the front of the placing cabinet, a cabinet door is hinged to one side of the opening, two placing plates are connected to the inner wall of the bottom of the placing cabinet in a sliding mode, placing holes are formed in the tops of the two placing plates, telescopic devices are mounted on the inner walls of the two sides of the placing cabinet, the extension ends of the two telescopic devices are hinged to racks through connecting mechanisms, an air outlet pipe with one end extending into the placing cabinet is fixed to the top of the placing cabinet, and a PLC controller for controlling the two telescopic devices is mounted on the outer wall of one side of the placing cabinet;
two the nitrogen cylinder is placed respectively two inside of placing the hole of placing at board top, and the bottle neck is all installed at the top of two nitrogen cylinders, and the equal detachable connector that is fixed with in top of two bottle necks all installs the butterfly valve on two connectors, and the regulation pole of two butterfly valves is located the outside one end of connector and all is fixed with the gear, two the rack is located the top and two gear engagement of two gears respectively, two the equal fixedly connected with connecting pipe in top of connector, the one end of two connecting pipes all is located the inside one end fixed connection of cabinet with the outlet duct.
Preferably, place and seted up two spacing grooves on the bottom inner wall of cabinet, two bottoms of placing the board all are fixed with the limiting plate, and the bottom of two limiting plates extends to the inside and two spacing groove sliding connection of two spacing grooves respectively, and two limiting plates are identical with two spacing grooves respectively.
Preferably, the top of each of the two placing plates is fixed with a fixing ring at one side close to the opening of the placing cabinet.
Preferably, the two outer walls of the two sides of the two placing plates are respectively fixed with a fixing block, and the fixing blocks and the inner wall of the bottom of the placing cabinet are fixed through screws.
Preferably, a bottle mouth valve is arranged on the bottle mouth.
Preferably, the outer lane of bottleneck is equipped with the external screw thread, be equipped with the internal thread on the inner wall of connector, connector screw thread cup joints outside and bottleneck threaded connection at the bottleneck.
Preferably, the connecting mechanism consists of a connecting plate fixed at the extending end of the telescopic device and a fixing bolt in threaded connection with the rack, a fixing hole is formed in one side of the connecting plate hinged to the rack, and one end of the fixing bolt extends into the fixing hole and is matched with the fixing hole.
Preferably, the two telescopic devices are both electric telescopic rods.
Preferably, the two connecting pipes are fixedly connected with the air outlet pipe through a three-way pipe.
The invention has the beneficial effects that:
1. through the cooperation between PLC controller, telescoping device, rack, gear, connector and the connecting pipe, not only conveniently control the flow of nitrogen gas, can switch the circulation of nitrogen gas in two nitrogen gas bottles moreover to can be convenient on the nitrogen gas in a nitrogen gas bottle fast switch to another nitrogen gas bottle after using up, and then avoid influencing the normal clear of production.
2. Through the arrangement of the connecting mechanism, the rack is conveniently erected in the process of disassembling and assembling the connector, and the rack is prevented from influencing the disassembly of the connector.
3. Through placing the setting of board and solid fixed ring, conveniently take out the nitrogen cylinder from the inside of placing the cabinet, and the setting up of limiting plate and spacing groove conveniently places the board and places on placing the inside accurate position of cabinet.
The nitrogen flow control device is reasonable in structure and simple to operate, can conveniently control the flow of nitrogen, cannot influence the normal production operation of production when the nitrogen is replaced, and is easy to popularize and use.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a top cross-sectional view of the rack and web of the present invention.
Reference numbers in the figures: 1 place cabinet, 2 cabinet doors, 3 nitrogen gas bottles, 4 PLC controllers, 5 outlet pipes, 6 connecting pipes, 7 spacing grooves, 8 place plates, 9 fixing blocks, 10 fixing rings, 11 spacing plates, 12 telescoping devices, 13 racks, 14 three-way pipes, 15 bottle necks, 16 bottle neck valves, 17 connectors, 18 connecting plates, 19 fixing bolts, 20 gears and 21 fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a low-nitrogen air inlet control device for cement rotary kiln production comprises a placing cabinet 1 and two nitrogen gas bottles 3, wherein an opening is formed in the front of the placing cabinet 1, a cabinet door 2 is hinged to one side of the opening, two placing plates 8 are connected to the inner wall of the bottom of the placing cabinet 1 in a sliding mode, placing holes are formed in the tops of the two placing plates 8, telescopic devices 12 are installed on the inner walls of two sides of the placing cabinet 1, the two telescopic devices 12 are electric telescopic rods, the extending ends of the two telescopic devices 12 are hinged to racks 13 through connecting mechanisms, an air outlet pipe 5 with one end extending into the placing cabinet 1 is fixed to the top of the placing cabinet 1, a PLC controller 4 for controlling the two telescopic devices 12 is installed on the outer wall of one side of the placing cabinet 1, and the PLC controller 4 is used for controlling the extension and retraction of the two telescopic devices 12;
the connecting mechanism consists of a connecting plate 18 fixed at the extending end of the telescopic device and a fixing bolt 19 in threaded connection with the rack 13, a fixing hole 21 is formed in one side, hinged to the rack 13, of the connecting plate 18, one end of the fixing bolt 19 extends into the fixing hole 21 and is matched with the fixing hole 21, and the rack 13 can rotate due to the arrangement of the connecting mechanism, so that the rack 13 can be prevented from affecting the dismounting and mounting of the connector 17 when the connector 17 is dismounted, and the rack 13 can be fixed and the rack 13 can be prevented from rotating due to the arrangement of the fixing bolt 19 and the fixing hole 21;
the two nitrogen bottles 3 are respectively placed inside the placing holes in the tops of the two placing plates 8, the tops of the two nitrogen bottles 3 are respectively provided with a bottle mouth 15, a bottle mouth valve is arranged on the bottle mouth 15, the tops of the two bottle mouths 15 are respectively detachably fixed with a connector 17, the outer ring of the bottle mouth 15 is provided with external threads, the inner wall of the connector 17 is provided with internal threads, the connector 17 is sleeved outside the bottle mouth 15 in a threaded manner and is in threaded connection with the bottle mouth 15, and the connector 17 is convenient to connect the bottle mouth 15 with the connecting pipe 6;
all install the butterfly valve on two connectors 17, the regulation pole of two butterfly valves is located the outside one end of connector 17 and all is fixed with gear 20, two racks 13 are located two gear 20's top and two gear 20 meshing respectively, the equal fixedly connected with connecting pipe 6 in top of two connectors 17, the one end of two connecting pipes 6 all is located the one end fixed connection of placing 1 inside of cabinet with outlet duct 5, two connecting pipes 6 pass through three-way pipe 14 and outlet duct 5 fixed connection.
Two limiting grooves 7 are formed in the inner wall of the bottom of the placing cabinet 1, limiting plates 11 are fixed to the bottom surfaces of the two placing plates 8, the bottom portions of the two limiting plates 11 extend into the two limiting grooves 7 respectively and are in sliding connection with the two limiting grooves 7, the two limiting plates 11 are matched with the two limiting grooves 7 respectively, and the limiting grooves 7 and the limiting plates 11 are arranged so that the placing plates 8 can be placed in accurate positions in the placing cabinet 1 conveniently;
two both sides outer walls of placing board 8 all are fixed with fixed block 9, and through the fix with screw between fixed block 9 and the bottom inner wall of placing cabinet 1, the setting up of fixed block 9 is convenient will place board 8 and through the fix with screw on the bottom inner wall of placing cabinet 1, avoid placing board 8 and sliding in the inside of placing cabinet 1.
The working principle is as follows: when the device works, the PLC 4 starts one of the expansion devices 12 to extend, so that the rack 13 moves, the rack 3 further drives the gear 20 to rotate, the butterfly valve on the connector 17 at the position is opened, nitrogen in the nitrogen cylinder 3 connected with the connector 17 enters the connecting pipe 6 and then is discharged from the air outlet pipe 5 to enter the cement rotary kiln, the opening and closing degree of the butterfly valve is controlled by controlling the extension amount of the expansion device 12, so that the flow of the nitrogen can be controlled, when the nitrogen in one nitrogen cylinder 3 is consumed, the butterfly valve on the connector 17 connected with the other nitrogen cylinder 3 can be opened through the PLC 4, so that the nitrogen in the nitrogen cylinder 3 can enter the air outlet pipe 5, the nitrogen is prevented from being cut off, and then the butterfly valve on the connector 7 at the position of the empty nitrogen cylinder can be closed, when closing this butterfly valve, start the telescoping device shrink, rack 13 drives gear 20 and rotates, thereby can close the butterfly valve, then just can be with the empty nitrogen cylinder 3 place the fixed block 9 on the board 8 with place and separate between the cabinet 1, later pull solid fixed ring 10 again and will place the outside that the board 8 was taken out and place cabinet 1, then just can change empty nitrogen cylinder 3 down, will place board 3 again after changing new nitrogen cylinder 3 and put into the inside of placing cabinet 1 again, then will place board 8 fixed well, later be connected connector 17 with the bottle neck again, and open the bottle neck valve on the bottle neck 15 can, thereby connect into on outlet duct 5 with new nitrogen cylinder 3.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The low-nitrogen air inlet control device for the cement rotary kiln production comprises a placing cabinet (1) and two nitrogen bottles (3), and is characterized in that an opening is formed in the front of the placing cabinet (1), a cabinet door (2) is hinged to one side of the opening, two placing plates (8) are connected to the inner wall of the bottom of the placing cabinet (1) in a sliding mode, placing holes are formed in the tops of the two placing plates (8), telescopic devices (12) are mounted on the inner walls of the two sides of the placing cabinet (1), the extending ends of the two telescopic devices (12) are hinged to racks (13) through connecting mechanisms, an air outlet pipe (5) with one end extending to the inside of the placing cabinet (1) is fixed to the top of the placing cabinet (1), and a PLC (4) for controlling the two telescopic devices (12) is mounted on the outer wall of one side of the placing cabinet (1);
two nitrogen cylinder (3) are placed respectively and are placed two inside of placing the hole at board (8) top, and bottle neck (15) are all installed at the top of two nitrogen cylinders (3), and the equal detachable connector (17) that is fixed with in top of two bottle neck (15), all install the butterfly valve on two connectors (17), and the regulation pole of two butterfly valves is located connector (17) outside one end and all is fixed with gear (20), two rack (13) are located the top and two gear (20) meshing of two gear (20) respectively, two the equal fixedly connected with connecting pipe (6) in top of connector (17), the one end of two connecting pipe (6) all is located the one end fixed connection of placing cabinet (1) inside with outlet duct (5).
2. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, wherein two limiting grooves (7) are formed in the inner wall of the bottom of the placing cabinet (1), limiting plates (11) are fixed to the bottom surfaces of the two placing plates (8), the bottoms of the two limiting plates (11) respectively extend to the insides of the two limiting grooves (7) and are in sliding connection with the two limiting grooves (7), and the two limiting plates (11) are respectively matched with the two limiting grooves (7).
3. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, characterized in that the top of the two placing plates (8) close to the opening of the placing cabinet (1) is fixed with a fixing ring (10).
4. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, characterized in that fixing blocks (9) are fixed on the outer walls of two sides of the two placing plates (8), and the fixing blocks (9) are fixed with the inner wall of the bottom of the placing cabinet (1) through screws.
5. The low-nitrogen air inlet control device for the cement rotary kiln production as claimed in claim 1, wherein a bottle mouth valve is mounted on the bottle mouth (15).
6. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, wherein an outer ring of the bottle nozzle (15) is provided with external threads, an inner wall of the connector (17) is provided with internal threads, and the connector (17) is in threaded sleeve connection with the bottle nozzle (15) in a threaded manner outside the bottle nozzle (15).
7. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, wherein the connecting mechanism consists of a connecting plate (18) fixed at the extending end of the expansion device and a fixing bolt (19) in threaded connection with the rack (13), one side of the connecting plate (18) hinged to the rack (13) is provided with a fixing hole (21), and one end of the fixing bolt (19) extends into the fixing hole (21) and is matched with the fixing hole (21).
8. The low-nitrogen air inlet control device for the cement rotary kiln production as claimed in claim 1, wherein the two telescoping devices (12) are both electric telescopic rods.
9. The low-nitrogen air inlet control device for the cement rotary kiln production according to claim 1, characterized in that the two connecting pipes (6) are fixedly connected with the air outlet pipe (5) through a three-way pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172673.7A CN112283579A (en) | 2020-10-28 | 2020-10-28 | Low-nitrogen air inlet control device for cement rotary kiln production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172673.7A CN112283579A (en) | 2020-10-28 | 2020-10-28 | Low-nitrogen air inlet control device for cement rotary kiln production |
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| Publication Number | Publication Date |
|---|---|
| CN112283579A true CN112283579A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011172673.7A Pending CN112283579A (en) | 2020-10-28 | 2020-10-28 | Low-nitrogen air inlet control device for cement rotary kiln production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791086A (en) * | 2022-05-24 | 2022-07-26 | 万丰镁瑞丁新材料科技有限公司 | Integrated nitrogen frame device |
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2020
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| US20040145282A1 (en) * | 2003-01-27 | 2004-07-29 | Bogdan Robert Anthony | Assembly for on-boat SCUBA tank storage |
| CN105003720A (en) * | 2014-04-18 | 2015-10-28 | 温州职业技术学院 | Butterfly valve driving device based on gear transmission mechanism |
| JP2016075326A (en) * | 2014-10-03 | 2016-05-12 | 大陽日酸株式会社 | Cylinder cabinet |
| CN208041607U (en) * | 2018-04-16 | 2018-11-02 | 包振军 | A kind of safe compressed natural gas storing tank |
| CN209431081U (en) * | 2018-12-05 | 2019-09-24 | 广州市半宙实验室设备有限公司 | Gas cylinder fixing device with movable stability |
| CN210800706U (en) * | 2019-10-22 | 2020-06-19 | 山东兴安彩印有限公司 | Central glue supply air supply device |
| CN210979347U (en) * | 2019-10-25 | 2020-07-10 | 上海顺帮智能科技有限公司 | Bottom area drawer type gas cylinder control cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114791086A (en) * | 2022-05-24 | 2022-07-26 | 万丰镁瑞丁新材料科技有限公司 | Integrated nitrogen frame device |
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