CN212998061U - Large-bin cotton mixing device with automatic fire extinguishing function - Google Patents
Large-bin cotton mixing device with automatic fire extinguishing function Download PDFInfo
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- CN212998061U CN212998061U CN202021167267.7U CN202021167267U CN212998061U CN 212998061 U CN212998061 U CN 212998061U CN 202021167267 U CN202021167267 U CN 202021167267U CN 212998061 U CN212998061 U CN 212998061U
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Abstract
The utility model discloses a big storehouse cotton mixing device with automatic function of putting out a fire belongs to non-woven fabrics production technical field. The device comprises a bin body, a multi-path spark detection system, a cotton inlet fan, a cotton return fan, a flat curtain and a brad curtain, wherein the multi-path spark detection system comprises a spark detector and a dry powder extinguishing structure; the spark detector comprises a first spark probe, a second spark probe and a third spark probe, wherein the first spark probe is arranged on the left side wall and the right side wall of the bin body and is positioned below the cotton inlet fan; the dry powder fire extinguishing structure comprises a dry powder fire extinguisher, an actuating mechanism and a plurality of nozzles; the top of the bin body is provided with a first spray head near the cotton inlet fan, the top of the bin body is provided with a second spray head near the cotton return fan, and the top of the bin body is provided with a third spray head between the cotton return fan and the upper end of the angle nail curtain.
Description
Technical Field
The utility model belongs to the technical field of non-woven fabrics production, in particular to big storehouse cotton mixing device with automatic fire extinguishing function.
Background
The large-bin cotton mixing device is used for mixing and storing preliminarily opened fibers to achieve the effect of continuous production. The cotton mixing device of the existing big bin comprises a bin body arranged in the front-back direction, a cotton feeding fan, a cotton returning fan, a flat curtain arranged in the bin body at the bottom in the front-back direction, a corner nail curtain at the rear part of the bin body and the like, wherein the front side of the top of the bin body is formed by the cotton feeding fan and the cotton returning fan which are sequentially arranged from front to back, and the corner nail curtain is obliquely upwards arranged at the rear part of the bin body from the rear end of the flat curtain. The pipeline entering the large-bin cotton mixing device is provided with the spark detector, but in actual use, the large-bin cotton mixing device is easy to ignite, the large-bin cotton mixing device is very large in size, the amount of cotton in the large-bin cotton mixing device is very large, once ignition occurs, the large-bin cotton mixing device is very difficult to extinguish, and even if the large-bin cotton mixing device is extinguished, equipment accessories such as flat curtains and angle nail curtains are burnt out. In conclusion, the fire of the large-bin cotton mixing device has great influence on the generation.
The applicant analyzes the fire conditions for several times, and finds that the fire starting position of the large-bin cotton mixing device is usually three positions, the first position is a cotton inlet air pipe machine position, the second position is a cotton return air fan position, and the third position is a flat curtain rear part and a brad curtain position; if the three parts are extinguished when the sporadic sparks are found, the cotton in the bin body cannot be completely ignited, the loss is very small, and the potential safety hazard cannot occur.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a big storehouse mixes cotton device with automatic function of putting out a fire sets up the spark probe in the three position that spark easily appears, just put out the spark when having the sporadic spark, even cotton upper strata portion or whole in big storehouse are lighted, the ware is reported to the police for the first time to the spark, the very first time automatic fire extinguishing, the very first time controlgear stops, the cotton that the cotton upper strata was lighted also can extinguish into the dark fire state because of the oxygen deficiency, the follow-up processing of putting out a fire of being convenient for like this, the loss also can be very little. The technical scheme is as follows:
the embodiment of the utility model provides a big storehouse cotton mixing device with automatic fire extinguishing function, including along the storehouse body 1 that sets up of fore-and-aft direction, multichannel spark detection system, the cotton inlet fan 2 and the cotton return fan 3 that set gradually from front to back in the front side of storehouse body 1 top, the flat curtain 4 that sets up along the fore-and-aft direction in the bottom in the storehouse body 1 and the angle nail curtain 5 at the rear portion in the storehouse body 1, angle nail curtain 5 is from the rear end of flat curtain 4 to the upper portion of storehouse body 1 after the slant; the multi-path spark detection system comprises a spark detector and at least one dry powder extinguishing structure; the spark detector comprises two first spark probes 6, two second spark probes 7 and two third spark probes 8, wherein the two first spark probes 6 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are both positioned below the cotton inlet fan 2, the two second spark probes 7 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are both positioned below the cotton return fan 3, and the two third spark probes 8 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are both positioned above the joint of the flat curtain 4 and the angle nail curtain 5; the dry powder fire extinguishing structure comprises a dry powder fire extinguisher 9, an actuating mechanism for driving the dry powder fire extinguisher 9 to be opened and a plurality of spray heads arranged at the top of the bin body 1; at least one first spray head 10 is arranged at the top of the bin body 1 and near the cotton inlet fan 2, at least one second spray head 11 is arranged at the top of the bin body and near the cotton return fan 3, and at least one third spray head 12 is arranged at the top of the bin body and between the cotton return fan 3 and the upper end of the brad curtain 5; the first spray head 10, the second spray head 11 and the third spray head 12 are all connected with a nozzle of the dry powder fire extinguisher 9 through a pipeline, and the actuating mechanism is electrically connected with the spark detector.
Wherein, the big storehouse in the embodiment of the utility model provides a mix cotton device for 1092 big storehouse and mix cotton machine.
The spark detector in the embodiment of the invention is an AMP-119D.e + type multi-path spark detector, and the first spark probe 6, the second spark probe 7 and the third spark probe 8 are all AMP-119D spark probes.
Specifically, the distance between the spark probe and the top of the bin body 1 in the embodiment of the invention is 0.2-0.4m, and the distance between the adjacent spark probes on the same side is 1.0-1.5 m.
Furthermore, the number of the dry powder fire extinguishing structures in the embodiment of the utility model is two; each dry powder extinguishing structure comprises a first spray head 10, a second spray head 11 and a third spray head 12 which are arranged at the top of the bin body 1 in parallel from front to back, and the distance between every two adjacent spray heads is 0.8-2.0 m; three nozzles of one dry powder fire extinguishing structure are arranged on the left side of the top of the bin body 1 and have a distance of 0.3-0.5m with the left side wall of the bin body 1, and three nozzles of the other dry powder fire extinguishing structure are arranged on the right side of the top of the bin body 1 and have a distance of 0.3-0.5m with the right side wall of the bin body 1.
Specifically, the embodiment of the utility model provides a dry powder fire extinguisher 9's nozzle even has a house steward, the house steward is connected with first shower nozzle 10, second shower nozzle 11 and third shower nozzle 12 respectively through three branch pipes.
The dry powder fire extinguishing structure in the embodiment of the utility model further comprises a box body 13, the dry powder fire extinguisher 9 and the actuating mechanism are both positioned in the box body 13, the dry powder fire extinguisher 9 is a portable dry powder fire extinguisher, the actuating mechanism comprises a cylinder 14, a pressure rod 15 and a control valve 16 on an air supply pipeline of the cylinder 14, and the control valve 16 is electrically connected with the spark detector; one end of the pressure lever 15 is hinged on the box body 13, the lower side of the middle part of the pressure lever 15 is pressed on the upper handle of the dry powder fire extinguisher 9, and an air cylinder 14 which enables the pressure lever 15 to rotate downwards is arranged between the other end of the pressure lever and the box body 13.
Specifically, the dry chemical extinguisher 9 according to the embodiment of the present invention is a MFZ/ABC8 type portable dry chemical extinguisher.
Wherein, the box body 13 in the embodiment of the utility model is arranged on the ground at the front side of the bin body 1.
Specifically, the box body 13 in the embodiment of the present invention is a rectangular box body structure, the front side of which is provided with an openable door, the left side of the bottom of which is provided with a support table 17, the upper part of the left side wall of which is positioned above the dry powder fire extinguisher 9 is provided with a rotary bracket 18, and the right side of the rear side wall of which is provided with a mounting table 19; the dry powder fire extinguisher 9 is arranged on the support platform 17 along the vertical direction and is fixed on the rear side wall of the box body 13 through an anchor ear 20, and a nozzle of the dry powder fire extinguisher is arranged leftwards; a hole for the hoop 20 to pass through is formed in the rear side wall of the box body 13, the lower end of the cylinder body of the air cylinder 14 is hinged to the upper part of the mounting table 19, and the control valve 16 is fixed to the lower part of the mounting table 19; the lower side of the pressure lever 15 is provided with a groove along the direction of the pressure lever, the groove is obliquely arranged downwards from left to right, the left end of the pressure lever is hinged with the rotating bracket 18, and the right end of the pressure lever is hinged with the upper end of the telescopic rod of the air cylinder 14; the upper handle is arranged in the left-right direction and embedded in the groove.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a large-cabin cotton mixing device with automatic fire extinguishing function, wherein spark probes are arranged at three positions where sparks are likely to appear, and a spray head is arranged above the position where sparks are likely to appear and can spray dry powder to extinguish fire; simultaneously, the shower nozzle can also basically cover whole storehouse body (as long as a spark probe detects the spark, six shower nozzles all open), just put out the mars when having the sporadic mars promptly, avoided the risk of taking place the conflagration.
Drawings
Fig. 1 is a schematic structural view of a large-bin cotton mixing device with an automatic fire extinguishing function provided by the embodiment of the invention;
fig. 2 is a schematic structural diagram of a dry powder fire extinguishing structure provided by the embodiment of the present invention.
In the figure: the device comprises a cabin body 1, a cotton inlet fan 2, a cotton return fan 3, a flat curtain 4, a brad curtain 5, a first spark probe 6, a second spark probe 7, a third spark probe 8, a dry powder fire extinguisher 9, a first spray nozzle 10, a second spray nozzle 11, a third spray nozzle 12, a box body 13, an air cylinder 14, a pressure rod 15, a control valve 16, a supporting platform 17, a rotating bracket 18, a mounting platform 19 and a hoop 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the utility model provides a big storehouse mixes cotton device with automatic function of putting out a fire, the device includes along the fore-and-aft storehouse body 1 that sets up, multichannel spark detection system, storehouse body 1 top front side is connected with the return flower mouth of 1208(HAI) carding machine etc. by preceding cotton fan 2 (specific accessible pipeline is connected with 150 precookers) and the cotton fan 3 that returns that advances that sets gradually after to, be used for recycling the return flower, flat curtain 4 and the angle nail curtain 5 at the internal rear portion of storehouse of the interior bottom of storehouse body 1 along the fore-and-aft setting, angle nail curtain 5 is by the upper portion of the interior rear end slant of flat curtain 4 to the storehouse body 1 of the back. Wherein, multichannel spark detecting system includes spark detector ware (the specific structure can refer to the structure of application number CN 201520976005.8) and at least one dry powder fire extinguishing structure (two in this embodiment, not only can basically cover the storehouse body 1 in, can also avoid only when a dry powder fire extinguishing structure breaks down, can't realize automatic fire extinguishing). The spark detector comprises two first spark probes 6, two second spark probes 7 and two third spark probes 8, wherein the two first spark probes 6 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are respectively positioned below the cotton inlet fan 2 (the position where fire easily occurs), the two second spark probes 7 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are respectively positioned below the cotton return fan 3 (the position where fire easily occurs), and the two third spark probes 8 are respectively arranged on the left side wall and the right side wall of the bin body 1 and are respectively positioned above the joint of the flat curtains 4 and the angle nail curtains 5 (the position where fire easily occurs). Specifically, the spark probe is all located on the outer wall of the storehouse body 1, is equipped with the through-hole that supplies the spark probe to stretch into on the storehouse body 1, and it all is along controlling to setting up. The dry powder fire extinguishing structure comprises a dry powder fire extinguisher 9, an actuating mechanism for driving the dry powder fire extinguisher 9 to be opened, a plurality of spray heads (specifically a horn mouth structure with a small upper part and a big lower part) and the like, wherein the spray heads are arranged at the top of the bin body 1; the top of the bin body 1 is provided with at least one first spray nozzle 10 (specifically located at the rear upper part of the first spark probe 6) near the cotton inlet fan 2 (preferably within 0.2m, the rear part is the same as the first spray nozzle), the top of the bin body is provided with at least one second spray nozzle 11 (specifically located at the front upper part of the third spark probe 8) near the cotton return fan 3, and the top of the bin body is provided with at least one third spray nozzle 12 (located above the brad curtain 5) between the cotton return fan 3 and the upper end of the brad curtain 5. The first spray nozzle 10, the second spray nozzle 11 and the third spray nozzle 12 are all connected with a spray nozzle of the dry powder fire extinguisher 9 through pipelines; the actuating mechanism is electrically connected with the spark detector; further, the spark detector can be electrically connected with a control module (self-contained) of the large-bin cotton mixing device to stop the whole device (output an emergency stop signal) when a spark is found.
Wherein, the big storehouse in the embodiment of the utility model provides a mix cotton device for 1092 big storehouse and mix cotton machine.
Wherein, the spark detector in the embodiment of the utility model is an AMP-119D.e + type multi-path spark detector (Anpu technology), and the first spark probe 6, the second spark probe 7 and the third spark probe 8 are AMP-119D spark probes (Anpu technology).
Specifically, the distance between the spark probes (the first spark probe 6, the second spark probe 7 and the third spark probe 8, and the same below) and the top of the bin body 1 is 0.2-0.4m, the distance between the adjacent spark probes on the same side of the bin body 1 is 1.0-1.5m (the front and back adjustment is carried out as required on the premise of ensuring the effective area of detection), and the spark probes on both sides are preferably arranged in a staggered manner; specifically, the spark probes on one side are all located 0-0.5m in front of the lower portion of the corresponding structure, and the spark probes on the other side are all located 0-0.5m behind the lower portion of the corresponding structure.
Further, referring to fig. 1, the number of the dry powder fire extinguishing structures in the embodiment of the present invention is two; each dry powder extinguishing structure comprises a first spray head 10, a second spray head 11 and a third spray head 12 which are arranged at the top of the bin body 1 in parallel from front to back, and the distance between two adjacent spray heads (the first spray head 10, the second spray head 11 and the third spray head 12) is 0.8-2.0m (so as to ensure the coverage area of powder spraying). Three nozzles of one dry powder fire extinguishing structure are arranged on the left side of the top of the bin body 1 and are 0.3-0.5m away from the left side wall of the bin body 1, three nozzles of the other dry powder fire extinguishing structure are arranged on the right side of the top of the bin body 1 and are 0.3-0.5m away from the right side wall of the bin body 1, the distance between two nozzles in the same corresponding position is 1-2m, and the nozzles on the two sides can be arranged in a bilateral symmetry manner.
Specifically, the nozzle of the dry chemical extinguisher 9 in the embodiment of the present invention is connected to a main pipe, and the main pipe is connected to a first nozzle 10, a second nozzle 11 and a third nozzle 12 through three branch pipes (inner diameter is 0.8-2 cm) respectively.
Wherein, referring to fig. 2, the dry powder fire extinguishing structure in the embodiment of the present invention further includes a box body 13, the dry powder fire extinguisher 9 and the actuating mechanism are both located in the box body 13, and the dry powder fire extinguisher 9 is a portable dry powder fire extinguisher. The actuating mechanism comprises a cylinder 14, a pressure rod 15, a control valve 16 and the like on an air supply pipeline (which can be connected with an air compressor) of the cylinder 14, and the control valve 16 is electrically connected with the spark detector and used for controlling contraction and expansion of the cylinder 14. One end of a pressure lever 15 is hinged on the box body 13, the lower side of the middle part of the pressure lever is pressed on an upper handle of the dry powder fire extinguisher 9, and a cylinder 14 which enables the pressure lever 15 to rotate downwards is arranged between the other end of the pressure lever and the box body 13.
Specifically, the dry chemical extinguisher 9 according to the embodiment of the present invention is a MFZ/ABC8 type portable dry chemical extinguisher.
Wherein, referring to fig. 1, the box 13 in the embodiment of the present invention is disposed on the ground at the front side of the bin body 1, the box 13 is close to the front side wall of the bin body 1, and the two boxes 13 are disposed side by side from left to right.
Specifically, referring to fig. 2, the box 13 in the embodiment of the present invention is a rectangular box structure, whose front side is provided with an openable door, whose bottom left side is provided with a support table 17 (rectangular frame structure), whose left side wall upper portion and above the dry powder fire extinguisher 9 is provided with a rotary bracket 18 (in a left-right direction to the rod-like structure), and whose right side wall right side is provided with a mounting table 19 (rectangular frame structure, on the right side of the dry powder fire extinguisher 9). The dry powder fire extinguisher 9 is arranged on the supporting platform 17 along the vertical direction and fixed on the rear side wall of the box body 13 through the anchor ear 20 (two anchor ears 20 are specifically adopted to respectively fix the upper part and the lower part of the dry powder fire extinguisher 9, and the anchor ear 20 is adopted to fix the dry powder fire extinguisher 9 so as to be convenient for replacing), and the nozzle of the dry powder fire extinguisher is arranged leftwards (connected with the main pipe which penetrates through the left side wall of the box body 13). The rear side wall of the box 13 is provided with a hole (two holes or a punched hole) for the anchor ear 20 to pass through, the lower end of the cylinder body of the air cylinder 14 is hinged (through a front-back rotating shaft) on the upper part of the mounting table 19, and the control valve 16 is fixed on the lower part of the mounting table 19 (a pipeline penetrates through the right side wall of the box 13, and a control lead also penetrates through the right side wall of the box 13). The lower side of the pressure lever 15 is provided with a groove (strip-shaped groove) along the direction of the pressure lever, the groove is obliquely arranged from left to right downwards, the left end of the pressure lever is hinged with the rotating bracket 18 (through a front-back rotating shaft), and the right end of the pressure lever is hinged with the upper end of the telescopic rod of the air cylinder 14 (through a front-back rotating shaft). The upper handle is arranged along the left-right direction and embedded in the groove.
In this embodiment, "first", "second", and "third" only have a distinguishing function, and have no other special meaning.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A big-bin cotton mixing device with an automatic fire extinguishing function comprises a bin body (1) arranged in the front-back direction, a cotton feeding fan (2) and a cotton returning fan (3) which are sequentially arranged from front to back on the front side of the top of the bin body (1), a flat curtain (4) arranged in the bin body (1) in the front-back direction on the bottom of the bin body and a corner nail curtain (5) arranged at the rear part of the bin body (1), wherein the corner nail curtain (5) is obliquely upwards arranged to the upper part of the bin body (1) from the rear end of the flat curtain (4) backwards; the system is characterized by further comprising a multi-path spark detection system, wherein the multi-path spark detection system comprises a spark detector and at least one dry powder extinguishing structure;
the spark detecting and removing device comprises two first spark probes (6), two second spark probes (7) and two third spark probes (8), wherein the two first spark probes (6) are respectively arranged on the left side wall and the right side wall of the bin body (1) and are respectively positioned below the cotton inlet fan (2), the two second spark probes (7) are respectively arranged on the left side wall and the right side wall of the bin body (1) and are respectively positioned below the cotton return fan (3), and the two third spark probes (8) are respectively arranged on the left side wall and the right side wall of the bin body (1) and are respectively positioned above the joint of the flat curtain (4) and the angle nail curtain (5);
the dry powder fire extinguishing structure comprises a dry powder fire extinguisher (9), an actuating mechanism for driving the dry powder fire extinguisher (9) to be opened and a plurality of spray heads arranged at the top of the bin body (1); at least one first spray head (10) is arranged at the top of the bin body (1) and near the cotton inlet fan (2), at least one second spray head (11) is arranged at the top of the bin body and near the cotton return fan (3), and at least one third spray head (12) is arranged at the top of the bin body and between the cotton return fan (3) and the upper end of the brad curtain (5); the first spray head (10), the second spray head (11) and the third spray head (12) are all connected with a nozzle of a dry powder fire extinguisher (9) through pipelines, and the actuating mechanism is electrically connected with the spark detector.
2. The large-bin cotton mixing device with the automatic fire extinguishing function according to claim 1, wherein the large-bin cotton mixing device is a 1092 large-bin cotton mixing machine.
3. A large-cabin cotton mixing device with an automatic fire extinguishing function according to claim 2, wherein the spark detector is an AMP-119D.e + type multi-way spark detector, and the first spark probe (6), the second spark probe (7) and the third spark probe (8) are all AMP-119D spark probes.
4. A big bin cotton mixing device with automatic fire extinguishing function according to claim 3, characterized in that the distance between the spark probe and the top of the bin body (1) is 0.2-0.4m, and the distance between the adjacent spark probes on the same side is 1.0-1.5 m.
5. The large-bin cotton mixing device with the automatic fire extinguishing function according to claim 2, wherein the number of the dry powder fire extinguishing structures is two; each dry powder extinguishing structure comprises a first spray head (10), a second spray head (11) and a third spray head (12) which are arranged at the top of the bin body (1) in parallel from front to back, and the distance between every two adjacent spray heads is 0.8-2.0 m; three nozzles of one dry powder fire extinguishing structure are arranged on the left side of the top of the bin body (1) and are 0.3-0.5m away from the left side wall of the bin body (1), and three nozzles of the other dry powder fire extinguishing structure are arranged on the right side of the top of the bin body (1) and are 0.3-0.5m away from the right side wall of the bin body (1).
6. A large-bin cotton mixing device with an automatic fire extinguishing function according to claim 5, characterized in that the nozzle of the dry powder fire extinguisher (9) is connected with a main pipe, and the main pipe is respectively connected with the first spray nozzle (10), the second spray nozzle (11) and the third spray nozzle (12) through three branch pipes.
7. The large-bin cotton mixing device with the automatic fire extinguishing function according to claim 1, wherein the dry powder fire extinguishing structure further comprises a box body (13), the dry powder fire extinguisher (9) and an actuating mechanism are both positioned in the box body (13), the dry powder fire extinguisher (9) is a portable dry powder fire extinguisher, the actuating mechanism comprises a cylinder (14), a pressure rod (15) and a control valve (16) on an air supply pipeline of the cylinder (14), and the control valve (16) is electrically connected with a spark detector; one end of the pressure lever (15) is hinged on the box body (13), the lower side of the middle part of the pressure lever is pressed on the upper handle of the dry powder fire extinguisher (9), and an air cylinder (14) which enables the pressure lever (15) to rotate downwards is arranged between the other end of the pressure lever and the box body (13).
8. A large-bin cotton mixing device with automatic fire extinguishing function according to claim 7, characterized in that the dry powder fire extinguisher (9) is a MFZ/ABC8 type portable dry powder fire extinguisher.
9. A big bin cotton mixing device with automatic fire extinguishing function according to claim 7, characterized in that the box body (13) is placed on the ground at the front side of the bin body (1).
10. The big bin cotton mixing device with the automatic fire extinguishing function according to claim 7, wherein the box body (13) is a rectangular box body structure, the front side of the box body is provided with an openable door, the left side of the bottom of the box body is provided with a support platform (17), the upper part of the left side wall of the box body is provided with a rotary bracket (18) above the dry powder fire extinguisher (9), and the right side of the rear side wall of the box body is provided with a mounting platform (19); the dry powder fire extinguisher (9) is arranged on the support table (17) along the vertical direction and is fixed on the rear side wall of the box body (13) through a hoop (20), and a nozzle of the dry powder fire extinguisher is arranged leftwards; a hole for the hoop (20) to penetrate through is formed in the rear side wall of the box body (13), the lower end of a cylinder body of the air cylinder (14) is hinged to the upper portion of the mounting table (19), and the control valve (16) is fixed to the lower portion of the mounting table (19); the lower side of the pressure lever (15) is provided with a groove along the direction of the pressure lever, the groove is obliquely arranged downwards from left to right, the left end of the pressure lever is hinged with the rotating bracket (18), and the right end of the pressure lever is hinged with the upper end of a telescopic rod of the air cylinder (14); the upper handle is arranged in the left-right direction and embedded in the groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021167267.7U CN212998061U (en) | 2020-06-22 | 2020-06-22 | Large-bin cotton mixing device with automatic fire extinguishing function |
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| CN202021167267.7U CN212998061U (en) | 2020-06-22 | 2020-06-22 | Large-bin cotton mixing device with automatic fire extinguishing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577611A (en) * | 2021-08-27 | 2021-11-02 | 湖南兵器技术中心有限公司 | Automatic opening device of fire extinguisher and working method thereof |
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- 2020-06-22 CN CN202021167267.7U patent/CN212998061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577611A (en) * | 2021-08-27 | 2021-11-02 | 湖南兵器技术中心有限公司 | Automatic opening device of fire extinguisher and working method thereof |
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