CN204502192U - A kind of ribbon conveyer fire extinguishing system - Google Patents
A kind of ribbon conveyer fire extinguishing system Download PDFInfo
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- CN204502192U CN204502192U CN201520182981.6U CN201520182981U CN204502192U CN 204502192 U CN204502192 U CN 204502192U CN 201520182981 U CN201520182981 U CN 201520182981U CN 204502192 U CN204502192 U CN 204502192U
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- waterfog head
- ribbon conveyer
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- belt
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Abstract
A kind of ribbon conveyer fire extinguishing system, comprises at least one and is arranged on hygrosensor (1) in trestle or tunnel; At least one water smoke sprays to the upper waterfog head (3,4) of up belt (6,5); At least one water smoke sprays to the lower waterfog head (2,9) of descending belt (7,8); The system interlink control appliance be connected with hygrosensor (1); The water smoke that upper waterfog head (3,4) and lower waterfog head (2,9) spray can cover the uplink and downlink belt of ribbon conveyer, when the temperature that somewhere hygrosensor (1) detects exceedes early warning threshold values, send control signal, system interlink control appliance cuts off the power supply of ribbon conveyer, controls corresponding upper waterfog head (3,4) and/or lower waterfog head (2,9) ejection water smoke.The disaster hidden-trouble that descending belt brings can be eliminated; Within the unit interval, absorb more heat, attack time is short.
Description
Technical field
The utility model relates to bulk conveying technologies field, especially relates to the fire extinguishing system of ribbon conveyer in a kind of trestle or tunnel.
Background technology
Ribbon conveyer is due to long use, easily bring out fire, its fire inducement mainly contains following several respects: cylinder skids: under normal operation, the slip on adhesive tape opposing roller surface is generally no more than 2%, if there is adhesive tape slipping, larger relative sliding is there is between Bulk material ribbon conveyer fire extinguishing system in the trestle of then adhesive tape and cylinder, and cause friction Temperature Rise, as can not Timeliness coverage, once temperature rises to adhesive tape ignition temperature will cause fire. the reason that common drive roll skids has: head windrow after buying securities with all one's capital, skid-proof rubber serious wear on cylinder, full load starting etc. after stopping in emergency, the main cause that follower rollers skids is then that roller bearings is badly damaged or stuck.Carrying roller fault: in rubber conveyer firing accident, causes because carrying roller is stuck that carrying roller temperature rise is too high and the adhesive tape that ignites is one of main cause of sealing-tape machine fire in recent years.Because operating environmental condition is poor, be easy in Idler bearing enter dust, the life-span is shorter, and after bearing damage is stuck, adhesive tape will rub at carrying roller continuous surface, make carrying roller accumulate a large amount of heats.Carrying roller temperature rises to very high, thus roasting combustion adhesive tape, a beans-and bullets shooter combustion flammable materials of going forward side by side, expands the intensity of a fire rapidly.Also find in investigation. mainly snub pulley does not turn and easily causes adhesive tape to catch fire, because snub pulley, particularly near the snub pulley at tail place, bracket is overhead very near, is very easily surrounded by the material that adhesive tape scatters, occurs windrow, cause the radiating condition of carrying roller to be deteriorated, make stuck carrying roller temperature rise too high.Material spontaneous combustion: such as there is a large amount of dumps on rubber conveyer ground along the line, owing to contacting and oxidative heat generation with air, when radiating condition is not smooth, the heat that oxidation generates is greater than the heat distributed to surrounding, cause the temperature of coal to raise gradually to cause " glowing ", spontaneous combustion will form the intensity of a fire once the burning-point reaching coal.Outside burning things which may cause a fire disaster: except the above-mentioned fire caused by sealing-tape machine itself, cause the Another reason of sealing-tape machine fire to be extraneous unexpected burning things which may cause a fire disaster, as artificial naked light, wire short-circuiting, Underground Substation catch fire, unreasonable Site Welding, large spoil fall below adhesive tape and produce fire by friction.
Most trestle very easily forms stack effect because of highly higher (some is always up to 40m), and spreading velocity of fire is fast.Therefore, the fire extinguishing system such as automatic water jetting or water spray need be set.
Current ribbon conveyer fire extinguishing system many employings automatic sprinkler system.Due to the impact of bulk conveying system a large amount of powder ash airborne dust, greatly have impact on the sensitivity of shower nozzle, cause response lag, there is potential safety hazard.The relative water consumption of water spray fire extinguish system is large, and hydraulic pressure is high, adaptable to harsh environments, and fire extinguishing is reliable rapidly.Waterfog head only can protect up belt, cannot protect descending belt.And due to trestle or tunnel all longer (more than 30m), protected area is large, fire consumption is large, causes the wasting of resources.
Utility model content
In order to overcome the defect of prior art, the technical problem that the utility model solves is: provide one can protect uplink and downlink belt, the good ribbon conveyer fire extinguishing system of water-saving result.
In order to solve the problems of the technologies described above, the ribbon conveyer fire extinguishing system that the utility model provides, is applied in trestle or tunnel, and it comprises at least one and is arranged on hygrosensor in trestle or tunnel; At least one water smoke sprays to the upper waterfog head of up belt; At least one water smoke sprays to the lower waterfog head of descending belt; The system interlink control appliance be connected with hygrosensor; The water smoke of upper waterfog head and the ejection of lower waterfog head can cover the uplink and downlink belt of ribbon conveyer, when the temperature that somewhere hygrosensor detects exceedes early warning threshold values, send control signal, system interlink control appliance cuts off the power supply of ribbon conveyer, controls corresponding upper waterfog head and/or lower waterfog head ejection water smoke.
As further improvement opportunity scheme, the ribbon conveyer fire extinguishing system that the utility model provides, is also provided with at least one fire separation water curtain in trestle.
As further improvement opportunity scheme, the ribbon conveyer fire extinguishing system that the utility model provides, trestle is divided into several and independently protects section by described fire separation water curtain, and the length of each protection section is not more than 30 meters.
As further improvement opportunity scheme, the ribbon conveyer fire extinguishing system that the utility model provides, described upper waterfog head and lower waterfog head are equipped with dust cover.
When not conflicting, above-mentioned improvement project can be implemented alone or in combination.
The technical scheme that the utility model provides, uplink and downlink belt arranges row's nozzle respectively, can guarantee to spray to cover the uplink and downlink belt of ribbon conveyer completely, eliminates the disaster hidden-trouble that descending belt brings; Within the unit interval, absorb more heat, attack time is short; Adopt fire separation water curtain in improvement project, trestle or tunnel are divided several independently sections.If when a certain section fire occurs, the upper waterfog head of this section and/or lower waterfog head initiating task, fire separation water curtain in section upstream and downstream on fire also simultaneously initiating task, the difficult problem that feed belt spreading velocity of fire is fast can be solved, by the control of fire in section on fire, be conducive to controlling the intensity of a fire.Avoid the fire extinguishing system initiating task of non-fire area, the system water flow brought is excessive, and total water consumption is too much, brings larger water damage, the defect of the economic performance of influential system.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the facade structures schematic diagram of embodiment ribbon conveyer fire extinguishing system;
Fig. 2 is the planar structure schematic diagram of embodiment ribbon conveyer fire extinguishing system.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Bulk material ribbon conveyer fire extinguishing system in trestle as depicted in figs. 1 and 2, trestle discharges two ribbon conveyers side by side, multiple hygrosensor 1 is provided with in trestle, waterfog head 3 on two groups, the water smoke of 4 sprays to the up belt 6 and 5 of two ribbon conveyers respectively, waterfog head 2 under two groups, the water smoke of 9 sprays to the descending belt 7 and 8 of two ribbon conveyers respectively, upper waterfog head 3, 4 and lower waterfog head 2, 9 are equipped with dust cover, waterfog head 3 and 4 on two groups, the water smoke that under two groups, waterfog head 2 and 9 sprays can cover the up belt of two ribbon conveyers and descending belt respectively, fire separation water curtain 10 and 11 is also provided with in trestle, trestle can be divided into several and independently protect section by the fire separation water curtain of more than three, the length of preferred each protection section is not more than 30 meters.System interlink control appliance is electrically connected with hygrosensor 1, when the temperature that somewhere hygrosensor 1 detects exceedes early warning threshold values, send control signal, system interlink control appliance cuts off the power supply of ribbon conveyer, control corresponding upper waterfog head 3,4 and/or lower waterfog head 2,9 ejection water smoke, system interlink control appliance also controls corresponding fire separation water curtain 10,11 startup optimization.
In operation process, if when a certain section fire occurs, the upper waterfog head of this section and/or lower waterfog head initiating task, fire separation water curtain in section upstream and downstream on fire also simultaneously initiating task, the difficult problem that feed belt spreading velocity of fire is fast can be solved, by the control of fire in section on fire, be conducive to controlling the intensity of a fire.Avoid the fire extinguishing system operation simultaneously of non-fire area, the system water flow brought is excessive, and total water consumption is too much, brings larger water damage, the defect of the economic performance of influential system.
Obviously, the utility model is not limited to above preferred embodiment, in the spirit that also can limit in the utility model claim and description, carry out conversion and the improvement of various ways, can same technical problem be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed in the utility model directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection domain of the present utility model.
Claims (4)
1. a ribbon conveyer fire extinguishing system, is applied in trestle or tunnel, it is characterized in that: comprise at least one and be arranged on hygrosensor (1) in trestle or tunnel; At least one water smoke sprays to the upper waterfog head (3,4) of up belt (6,5); At least one water smoke sprays to the lower waterfog head (2,9) of descending belt (7,8); The system interlink control appliance be connected with hygrosensor (1); The water smoke that upper waterfog head (3,4) and lower waterfog head (2,9) spray can cover the uplink and downlink belt of ribbon conveyer, when the temperature that somewhere hygrosensor (1) detects exceedes early warning threshold values, send control signal, system interlink control appliance cuts off the power supply of ribbon conveyer, controls corresponding upper waterfog head (3,4) and/or lower waterfog head (2,9) ejection water smoke.
2. ribbon conveyer fire extinguishing system according to claim 1, it is characterized in that: in trestle or tunnel, be also provided with at least one fire separation water curtain (10,11), when the temperature that somewhere hygrosensor (1) detects exceedes early warning threshold values, system interlink control appliance also controls corresponding fire separation water curtain (10,11) startup optimization.
3. ribbon conveyer fire extinguishing system according to claim 2, is characterized in that: trestle or tunnel are divided into several and independently protect section by described fire separation water curtain (10,11), and the length of each protection section is not more than 30 meters.
4. ribbon conveyer fire extinguishing system according to claim 1, is characterized in that: described upper waterfog head (3,4) and lower waterfog head (2,9) are equipped with dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182981.6U CN204502192U (en) | 2015-03-30 | 2015-03-30 | A kind of ribbon conveyer fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182981.6U CN204502192U (en) | 2015-03-30 | 2015-03-30 | A kind of ribbon conveyer fire extinguishing system |
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| Publication Number | Publication Date |
|---|---|
| CN204502192U true CN204502192U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520182981.6U Active CN204502192U (en) | 2015-03-30 | 2015-03-30 | A kind of ribbon conveyer fire extinguishing system |
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| CN (1) | CN204502192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU195704U1 (en) * | 2019-05-28 | 2020-02-04 | Общество с ограниченной ответственностью Торговый дом "Кемеровский экспериментальный завод средств безопасности", (ООО ТД "КЭЗСБ") | INSTALLING WATER FIRE EXTINGUISHING TAPE CONVEYORS |
-
2015
- 2015-03-30 CN CN201520182981.6U patent/CN204502192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU195704U1 (en) * | 2019-05-28 | 2020-02-04 | Общество с ограниченной ответственностью Торговый дом "Кемеровский экспериментальный завод средств безопасности", (ООО ТД "КЭЗСБ") | INSTALLING WATER FIRE EXTINGUISHING TAPE CONVEYORS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Belt conveyor fire extinguishingsystems Effective date of registration: 20180503 Granted publication date: 20150729 Pledgee: Xiangtan Jiuhua Economic Construction Investment Co., Ltd. Pledgor: Tidfore Engineering Co., Ltd.|Tidfore Heavy Industry Co., Ltd.|Ocean engineering equipment (Tianjin) Co., Ltd. Registration number: 2018430000029 |