CN205350366U - Closed calcium carbide furnace is sealing device for charging system - Google Patents
Closed calcium carbide furnace is sealing device for charging system Download PDFInfo
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- CN205350366U CN205350366U CN201521046643.6U CN201521046643U CN205350366U CN 205350366 U CN205350366 U CN 205350366U CN 201521046643 U CN201521046643 U CN 201521046643U CN 205350366 U CN205350366 U CN 205350366U
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- lower sleeve
- sealing device
- charging system
- calcium carbide
- carbide furnace
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Abstract
The utility model relates to a reinforced sealing technique field discloses a closed calcium carbide furnace is sealing device for charging system, including the lower sleeve, going up sleeve, air seal ring sum telescopic link, the lower extreme of lower sleeve is connected with the feed valve of feed bin, go up telescopic upper end and be equipped with the flange, and lower extreme movably embolias in the lower sleeve from the upper end of lower sleeve, the lower sleeve is equipped with the corrector loop with the part that last sleeve cup jointed, the upper end of lower sleeve is located to the air seal ring, and the air seal ring is equipped with gas feed and lies in the annular slotted hole on the circumference of air seal intra -annular side lower part, the one end and the lower sleeve of telescopic link are connected and the other end and last muffjoint, are used for driving it follows to go up the sleeve the axial displacement of lower sleeve. The device has very reliable leakproofness, can effectively completely cut off the air, in guaranteeing the material tank car raw materials being in confined space all the time when reinforced to the feed bin, prevents that the raw materials from with the air contact by the oxidation, preventing dust and poisonous air leakage simultaneously, avoid producing pollute with human injury.
Description
Technical field
This utility model relates to reinforced technical field of sealing technology, particularly relates to a kind of closed calcium carbide furnace charging system sealing device.
Background technology
The raw material producing carbide employing is generally quick lime and coke, what conventional closed calcium carbide furnace added is coke and the quick lime of room temperature, it is absent from sealing problem, but what present hot charging closed calcium carbide furnace added is high temperature pelletizing feed, Main Ingredients and Appearance is semicoke and quick lime, its temperature reaches 500～800 DEG C, burning-point higher than semicoke, once the oxygen in ingress of air will burn, even explode, it is thus desirable to reinforced process is taked seal approach, if it is poorly sealed, then can cause following adverse consequences: (1) raw material is the inflammable and explosive pelletizing feed of high temperature, when batch can car feed hopper feeds in raw material, if it is poorly sealed, easily cause industrial accident；(2) carbon in raw material is partially oxidized, generate carbon monoxide, the ignition point of carbon monoxide is 650 DEG C, it is 12.5～74% with the air mixed explosion limit, belong to flammable explosive gas, and carbon monoxide is severe toxicity gas, colorless and odorless, when people's low coverage leaves away operation, it is easy to cause danger；(3) when raw material is from the process of batch can car blanking, producing substantial amounts of dust, these dust temperature are significantly high, have inflammable and explosive character equally, have great danger；(4) reinforced procedure seals is not tight, and raw material, by the dioxygen oxidation in air, causes significant loss, reduces yield, causes economic loss.
Hot charging closed calcium carbide furnace is when adding raw material, and by batch can car by feedstock delivery to the feed bin of furnace roof, batch can car is connected by sealing device with feed bin, to complete reinforced process.The existing sealing device for charging system generally all adopts and is flexible coupling, and what utilize flexible connection structure and stretching structure coordinates the up and down motion realizing sealing device, to improve its sealing.But flexible connection structure non-refractory, it is easy to deformed damaged, is therefore not suitable for conveying high temperature lump material, and existing sealing device is it cannot be guaranteed that fully seal, and air enters into inside sealing device easily by connecting gap, thus reacting with raw material.
Therefore, for above deficiency, it is desirable to provide a kind of closed calcium carbide furnace charging system sealing device.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is to solve how to ensure the problem of raw material sealing, not ingress of air when the batch can car feed hopper of closed calcium carbide furnace feeds in raw material.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of closed calcium carbide furnace charging system sealing device, inlet valve for the discharge valve of binder tank car and feed bin, including lower sleeve, upper bush, gas seal ring and expansion link, the lower end of described lower sleeve is connected with the inlet valve of described feed bin, the upper end of described upper bush is provided with the flange for being connected with the discharge valve of described batch can car, and the lower end of described upper bush is inserted in described lower sleeve from the upper end of described lower sleeve movably；The part that described lower sleeve is socketed with described upper bush is provided with corrector loop；Described air seal is located on the upper end of described lower sleeve, and described air seal is equipped with gas feed and annular slotted hole, and described annular slotted hole is located on the circumference of described gas seal ring lower inside；One end of described expansion link is connected with described lower sleeve and the other end is connected with described upper bush, for driving described upper bush moving axially along described lower sleeve.
Preferably, described sealing device also includes sealing gasket, and described sealing gasket is located at the upper surface of described flange.
Further, described sealing gasket is fixed on the upper surface of described flange by annular pressing plate and sunk screw, and described sealing gasket adopts exotic material to make.
Preferably, described sealing device also includes nitrogen feeder, and described nitrogen feeder is connected with described gas feed, for providing nitrogen to described gas seal ring.
Preferably, described gas feed is two, and the angle between two described gas feeds is 180 °.
Preferably, described corrector loop is annular round steel, and described annular round steel is two circles, and two circles described annular round steel is all welded in the inwall of described lower sleeve.
Preferably, the inwall of described upper bush is provided with protective layer, and described protective layer is wear-resistant castable.
Preferably, the two ends of described expansion link are connected with described lower sleeve and upper bush respectively each through rotating hinge, and described expansion link is cylinder or hydraulic cylinder or electric cylinder.
Preferably, described expansion link is 3, and 3 described expansion links are evenly arranged along the circumference of described lower sleeve.
Preferably, described lower sleeve is provided with insulation spacer with the connecting end surface of described feed bin inlet valve.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that
(1) closed calcium carbide furnace charging system sealing device of the present utility model has sealing very reliably, can effectively completely cut off air, ensure batch can car to feed bin reinforced time raw material be in sealing space all the time, prevent raw material and air contact and oxidized, prevent dust and release of toxic gas, it is to avoid produce to pollute and human injury simultaneously.
(2) closed calcium carbide furnace charging system sealing device of the present utility model can be used for the conveying of high temperature lump material, has high temperature resistant, wear-resisting feature, it is possible to effectively prevents washing away of high temperature pelletizing feed, long service life, and simple in construction, easy to maintenance.
(3) closed calcium carbide furnace charging system sealing device of the present utility model can realize remote auto control, the upper and lower rapid movement of upper bush is controlled, after batch can car puts in place, it may be achieved quickly respond by expansion link, automatically it is tightly connected with batch can underbody portion discharge valve, opening the inlet valve on discharge valve and feed bin, it is achieved automatic blanking, charging rate is fast, and distant control can be realized, automaticity is high, operates safe and reliable, it is to avoid cause security incident and economic loss.
Accompanying drawing explanation
Fig. 1 is sealing device and batch can car and the feed bin attachment structure schematic diagram of this utility model embodiment；
Fig. 2 is the schematic diagram of sealing device of this utility model embodiment；
Fig. 3 is the gas seal ring schematic diagram of this utility model embodiment；
Fig. 4 is the sectional view of the gas seal ring of this utility model embodiment.
In figure: 1: sealing device；2: batch can car；3: feed bin；4: inlet valve；5: discharge valve；11: lower sleeve；12: upper bush；13: sealing gasket；14: gas seal ring；141: gas feed；142: annular slotted hole；15: expansion link；16: corrector loop；17: flange；18: protective layer.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly fall into the scope of this utility model protection.
As shown in Figure 1 to Figure 3, a kind of closed calcium carbide furnace charging system sealing device 1 that this utility model embodiment provides, for the inlet valve 4 of the discharge valve 5 of binder tank car 2 and feed bin 3.As shown in Figure 2, sealing device 1 includes lower sleeve 11, upper bush 12, gas seal ring 14 and expansion link 15, the lower end of lower sleeve 11 is connected with the inlet valve 4 of feed bin 3, the upper end of upper bush 12 is provided with the flange 17 for being connected with the discharge valve 5 of batch can car 2, the lower end of upper bush 12 is inserted in lower sleeve 11 from the upper end of lower sleeve 11 movably, and the part that lower sleeve 11 is socketed with upper bush 12 is provided with corrector loop 16.Gas seal ring 14 is located at the upper end of lower sleeve 11, and gas seal ring 14 is provided with gas feed 141 and annular slotted hole 142, and annular slotted hole 142 is located on the circumference of gas seal ring 14 lower inside.Concrete, as shown in Figure 3 and Figure 4, annular slotted hole 142 is multiple, and the even circumferential along gas seal ring 14 is arranged, and is positioned at the lower inside of gas seal ring 14, it is preferred that the angle that annular slotted hole 142 is at 45 ° with the annular center of gas seal ring 14.One end of expansion link 15 is connected with lower sleeve 11 and the other end is connected with upper bush 12, and for driving upper bush 12 moving axially along lower sleeve 11, expansion link 15 is provided with controlling organization, can realize the flexible of its piston rod by automatically controlled.
During use, when closed calcium carbide furnace needs reinforced, the batch can car 2 filling raw material is transported to sealing device 1 top, long-range control is first passed through before reinforced, nitrogen or noble gas is passed in gas seal ring 14, nitrogen or noble gas eject from the annular slotted hole 142 of gas seal ring 14, between upper bush 12 and lower sleeve 11, form barotropic gas seal, then the controlling organization of expansion link 15 is started, expansion link 15 is made to extend, upper bush 12 is driven to rise, make to keep between discharge valve 5 compressing bottom upper bush 12 and batch can car 2 sealing, then the discharge valve 5 bottom the inlet valve 4 on feed bin 3 top and batch can car 2 is opened successively, by raw material deadweight blanking, after having fed in raw material, close the discharge valve 5 bottom the inlet valve 4 on feed bin 3 top and batch can car 2 more successively, contraction by expansion link 15, upper bush 12 is made to decline, finally remove batch can car 2, complete reinforced task.In blanking operation, sealed the sealing function of structure by gas seal ring 14 and corrector loop 16, it is possible to effectively stop the dust pollution produced during blanking and toxic gas to leak, air can be stoped simultaneously to enter in lower sleeve 11 and react with raw material.Certainly, the sealing device 1 of the present embodiment may be mounted at the top of feed bin 3, or is made of one with the inlet valve 4 at feed bin 3 top, it is also possible to is arranged on the bottom of batch can car 2, or is made of one with the discharge valve 5 bottom batch can car 2.
The closed calcium carbide furnace charging system sealing device 1 that the present embodiment provides, the corrector loop 16 playing guide effect it is provided with between upper bush 12 and lower sleeve 11, make the upper bush 12 can vertical up-or-down movement under the drive of expansion link 15, ensure will not occur when it moves axial dipole field, the socket gap avoiding upper bush 12 and lower sleeve 11 becomes ambassador's dust and toxic gas overflows, corrector loop 16 also acts as the effect of sealing simultaneously, it is possible to effectively stop high-temperature dust and toxic gas to enter lower sleeve 11 and the gap of upper bush 12 socket.The gas feed 141 of the gas seal ring 14 of the present embodiment for being filled with nitrogen or noble gas in gas seal ring 14, annular slotted hole 142 is then used as gas outlet, the nitrogen in gas seal ring 14 or noble gas can be made to enter the gap between upper bush 12 and lower sleeve 11, effectively stop the gap that dust and toxic gas are socketed from lower sleeve 11 and upper bush 12 to be flowed out further.Therefore, the sealing device 1 of the present embodiment has sealing very reliably, can effectively completely cut off air, ensure batch can car 2 to feed bin 3 feed in raw material time raw material all the time be in sealing space in, prevent raw material and air contact and oxidized, prevent dust and release of toxic gas, it is to avoid produce to pollute and human injury simultaneously.
Preferably, the present embodiment is provided with sealing gasket 13 on the surface of the flange 17 of upper bush 12, sealing gasket 13 is fixed on the upper surface of flange 17 by annular pressing plate and sunk screw, can effectively ensure that the sealing that upper bush 12 is connected with the discharge valve 5 of batch can car 2, prevent air from entering sealing device 1 from the junction of upper bush 12 with discharge valve 5, be also prevented from dust and toxic gas simultaneously and flow out from the junction of upper bush 12 with discharge valve 5.Sealing gasket 13 adopts exotic material to make, such as ceramic fiber blanket, it is adaptable to the sealing of high-temperature material.
The sealing device 1 of the present embodiment also includes nitrogen feeder, and nitrogen feeder is connected with gas feed 141, for providing nitrogen to gas seal ring 14.Preferably, gas feed 141 is provided with two, and the angle between two gas feeds 141 is 180 °, so that nitrogen or inert gas pressure in gas seal ring 14 are evenly distributed, thus improving sealing effectiveness.
The corrector loop 16 of the present embodiment is annular round steel, annular round steel is provided with two circles, and be all welded in the inwall of lower sleeve 11 and be arranged in parallel up and down, thus strengthen its guiding and sealing function, it is further ensured that upper bush 12 can vertical up-or-down movement under the drive of expansion link 15, and keep sealing, the shortcoming also overcoming in prior art the non-refractory that is flexible coupling simultaneously, not being suitable for the conveying of high temperature lump material.
The inwall of the upper bush 12 of the present embodiment is provided with wear-resistant castable protective layer 18; the main purpose of protective layer 18 is protection upper bush 12; prevent upper bush 12 from being worn away by high temperature pelletizing feed; play heat-blocking action simultaneously; reduce the temperature distortion of sealing device 1; prevent expansion link 15 by high temperature failure, thus improving the service life of sealing device 1.
The lower sleeve 11 of the present embodiment is provided with insulation spacer with the connecting end surface of the inlet valve 4 of feed bin 3, and the material of insulation spacer can be Muscovitum, to play the effect of insulation high-temperature-resistant.
Thus, the above-mentioned sealing device 1 of the present embodiment can be used for the conveying of high temperature lump material, has high temperature resistant, wear-resisting feature, it is possible to effectively prevents washing away of high temperature pelletizing feed, long service life, and simple in construction, easy to maintenance.
The two ends of the expansion link 15 of the present embodiment are connected with lower sleeve 11 and upper bush 12 respectively each through rotating hinge, expansion link 15 can be cylinder or hydraulic cylinder or electric cylinder, expansion link 15 is provided with 3,3 expansion links 15 are evenly arranged along the circumference of lower sleeve 11, so that upper bush 12 stress balance is uniform, it is further ensured that the sealing that upper bush 12 is connected with discharge valve 5.Expansion link 15, the discharge valve 5 of batch can car 2 and the inlet valve 4 of feed bin 3 can take long-range control, after batch can car 2 puts in place, it may be achieved quickly respond, automatic fast blanking, thus improving safety and the convenience of charging system, improves production environment.
What deserves to be explained is, sealing device 1 of the present utility model is except can be used for the charging system of hot charging closed calcium carbide furnace, it is also possible to be used in the charging system of ferronickel stove and converter.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a closed calcium carbide furnace charging system sealing device, inlet valve for the discharge valve of binder tank car and feed bin, it is characterized in that: include lower sleeve, upper bush, gas seal ring and expansion link, the lower end of described lower sleeve is connected with the inlet valve of described feed bin, the upper end of described upper bush is provided with the flange for being connected with the discharge valve of described batch can car, and the lower end of described upper bush is inserted in described lower sleeve from the upper end of described lower sleeve movably；The part that described lower sleeve is socketed with described upper bush is provided with corrector loop；Described air seal is located on the upper end of described lower sleeve, and described air seal is equipped with gas feed and annular slotted hole, and described annular slotted hole is located on the circumference of described gas seal ring lower inside；One end of described expansion link is connected with described lower sleeve and the other end is connected with described upper bush, for driving described upper bush moving axially along described lower sleeve.
2. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: described sealing device also includes sealing gasket, and described sealing gasket is located at the upper surface of described flange.
3. closed calcium carbide furnace charging system sealing device according to claim 2, it is characterised in that: described sealing gasket is fixed on the upper surface of described flange by annular pressing plate and sunk screw, and described sealing gasket adopts exotic material to make.
4. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: described sealing device also includes nitrogen feeder, and described nitrogen feeder is connected with described gas feed, for providing nitrogen to described gas seal ring.
5. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: described gas feed is two, and the angle between two described gas feeds is 180 °.
6. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: described corrector loop is annular round steel, and described annular round steel is two circles, and two circles described annular round steel is all welded in the inwall of described lower sleeve.
7. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: the inwall of described upper bush is provided with protective layer, and described protective layer is wear-resistant castable.
8. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: the two ends of described expansion link are connected with described lower sleeve and upper bush respectively each through rotating hinge, and described expansion link is cylinder or hydraulic cylinder or electric cylinder.
9. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: described expansion link is 3, and 3 described expansion links are evenly arranged along the circumference of described lower sleeve.
10. closed calcium carbide furnace charging system sealing device according to claim 1, it is characterised in that: the connecting end surface of the inlet valve of described lower sleeve and described feed bin is provided with insulation spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046643.6U CN205350366U (en) | 2015-12-15 | 2015-12-15 | Closed calcium carbide furnace is sealing device for charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046643.6U CN205350366U (en) | 2015-12-15 | 2015-12-15 | Closed calcium carbide furnace is sealing device for charging system |
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| Publication Number | Publication Date |
|---|---|
| CN205350366U true CN205350366U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521046643.6U Withdrawn - After Issue CN205350366U (en) | 2015-12-15 | 2015-12-15 | Closed calcium carbide furnace is sealing device for charging system |
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| CN (1) | CN205350366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387214A (en) * | 2015-12-15 | 2016-03-09 | 北京神雾环境能源科技集团股份有限公司 | Sealing device for sealed calcium carbide furnace charging system |
| CN111220773A (en) * | 2019-12-04 | 2020-06-02 | 刘忠辉 | Factory toxic gas monitoring device |
-
2015
- 2015-12-15 CN CN201521046643.6U patent/CN205350366U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387214A (en) * | 2015-12-15 | 2016-03-09 | 北京神雾环境能源科技集团股份有限公司 | Sealing device for sealed calcium carbide furnace charging system |
| CN105387214B (en) * | 2015-12-15 | 2017-11-03 | 神雾科技集团股份有限公司 | A kind of closed calcium carbide furnace charging system sealing device |
| CN111220773A (en) * | 2019-12-04 | 2020-06-02 | 刘忠辉 | Factory toxic gas monitoring device |
| CN111220773B (en) * | 2019-12-04 | 2022-09-16 | 重庆朕尔医学研究院有限公司 | Poisonous gas monitoring devices of mill |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20171103 |