CN112870603A - Fire control unit is used in chemical plant - Google Patents
Fire control unit is used in chemical plant Download PDFInfo
- Publication number
- CN112870603A CN112870603A CN202110092841.XA CN202110092841A CN112870603A CN 112870603 A CN112870603 A CN 112870603A CN 202110092841 A CN202110092841 A CN 202110092841A CN 112870603 A CN112870603 A CN 112870603A
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- Prior art keywords
- layer
- negative pressure
- dry powder
- opening
- sliding plate
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Vibration Prevention Devices (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a fire fighting device for a chemical plant, which belongs to the field of fire fighting engineering and comprises a column-type cabinet body, wherein the cabinet body sequentially comprises a dry powder filtering layer, a vibration layer and a negative pressure suction layer from top to bottom, the negative pressure suction layer comprises an opening, a negative pressure machine and a smoke sensor, the opening is positioned on the surface of the column-type cabinet body, a containing cavity is formed between the opening and the negative pressure machine, a one-way air inlet valve is arranged at the opening, the smoke sensor is used for controlling the opening of the negative pressure machine, the smoke sensor drives the negative pressure machine to absorb external smoke, the smoke enters the containing cavity, when the pressure in the containing cavity is increased under the condition that the smoke and airflow in the containing cavity are more and more, the vibration layer is gradually lifted, and the absorption of toxic smoke is realized, so that the possibility that people around the device are blocked.
Description
Technical Field
The invention belongs to the field of fire-fighting engineering, and particularly relates to a fire-fighting device for a chemical plant.
Background
Fire control is to eliminate hidden troubles and prevent disasters (i.e. to prevent and solve human, natural and accidental disasters in life, work and learning processes), and the narrow meaning of the fire control is that: meaning (extinguishing) fire.
Present fire control unit can't accomplish to change inside space of placing, lead to the device to have certain limitation in the use, present fire-fighting equipment does not set up smog processing mechanism, however often accompany the dense smoke when carrying out the conflagration rescue, dense smoke can influence first-aid staff's work process undoubtedly, can also threaten to first-aid staff's health simultaneously, the conflagration rescue often is more urgent affairs, present fire control unit is fixed somewhere mostly, if the conflagration takes place the point and leaves the fire control unit when far away, first-aid staff still need carry the fire control unit and run to the conflagration and take place the point, inconvenience has been brought for first-aid staff.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a fire fighting device for a chemical plant, which absorbs dense smoke.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a chemical plant uses fire control unit includes the cabinet body of column, the cabinet body from the top down includes in proper order that dry powder filters out layer, vibration layer and negative pressure and inhales the layer of flowing, the negative pressure is inhaled the layer of flowing and is included opening, negative pressure machine and smoke sensor, the opening is located the cabinet body surface of column, forms between opening and the negative pressure machine and accomodates the cavity, and the opening part has one-way admission valve, and smoke sensor is used for controlling the negative pressure machine and opens, the vibration layer is located dry powder filters out the layer and the intersection on negative pressure and inhales the layer of flowing, and the vibration layer includes the slide of a set of opposition, be connected with the extension spring between the slide, the parcel has the rubber layer between the internal surface of the cabinet body of column, dry powder filters out the layer and includes shower nozzle and pressure valve, shower nozzle intercommunication dry powder filters.
After the scheme is adopted, the following beneficial effects are realized: 1. compared with a dry powder fire extinguisher adopting a dumping mode, when the technical scheme is used, when the concentration of external smoke is higher than the trigger value of the smoke inductor, the smoke inductor drives the negative pressure machine to absorb the external smoke, at the moment, the smoke enters the containing cavity, when the smoke and airflow of the containing chamber are more and more, the vibration layer is gradually lifted when the pressure in the containing chamber is increased, the absorption of toxic smoke is realized, the possibility that people around the device are blocked by the smoke is reduced, the trend that the vibration layer extrudes the dry powder layer is tighter as the smoke is absorbed more in the fire process, otherwise, the dry powder in the dry powder layer is less and less, but the less and less dry powder is continuously lifted due to the vibration layer when being sprayed out, therefore, sufficient dry powder and pressure are always gathered at the nozzle, and the defect that the traditional dry powder needs to be poured when in use is avoided.
2. For adopting the prior art of avoiding empting, the simple harmonic motion that the extension spring that utilizes the vibration layer produced when this technical scheme used, thereby make rise in-process extension spring because non-directional moment produces the vibration, thereby avoided receiving the dry powder after the extrusion to condense, the elastic coefficient of vibration layer depends on the material of extension spring self simultaneously, so when the vibration layer receives the extrusion, the reply of extension spring generally is towards receiving the direction that the extrusion is lighter, the variable that produces the vibration layer and receives constantly changes this moment, first kind of change is that the weight on dry powder layer is greater than the negative pressure and inhales the layer of flowing, the main direction of replying of vibration layer is towards the negative pressure and inhales the layer of flowing, consequently the dry powder layer does not receive the extrusion, avoided originally fluffy dry powder to become to compact. The second is that when the weight of the dry powder layer is less than the pressure of the negative pressure suction layer, the dry powder layer is subjected to the restoring force of the vibration layer, so that the dry powder is enabled to be close to the spray head and to vibrate, at the moment, the vibration layer is equivalent to an adjustable shaker, the dry powder extruded below for a long time is shaken and dispersed, and meanwhile, the transportation function is also realized.
Furthermore, the sliding plate is made of elastic materials, the hardness of the sliding plate materials is 60A, the hardness of the rubber layer is 80D, an interlayer is arranged at the joint of the rubber layer and the sliding plate, and the sliding plate is in clearance fit with the rubber layer through the interlayer.
Has the advantages that: 1. compared with the prior art for realizing the transportation function, the hardness of the sliding plate is different from that of the rubber layer in the technical scheme, so that even if the sliding plate layer is inwards concave, the interlayer can keep gliding with unchanged shape, and dry powder is prevented from falling into the negative pressure suction layer.
2. For avoiding the tenesmic prior art of dry powder, because the slide material is softer among this technical scheme, the recess of slide layer formation indent after the dry powder lasts the extrusion, the extension spring is pressed close to for the plane to the recess this moment, has promoted the vibration effect of this part, and the slide surface forms the concave surface and the plane of straggling simultaneously to the dispersion of the dry powder piece of greatly condensing has been realized.
Furthermore, the inside of the sliding plate is provided with a plurality of steel balls, and a regular quadrangle is formed between every two adjacent steel balls and equally divides the surface of the sliding plate.
Has the advantages that: compared with the prior art adopting dry powder block dispersion, the technology adopts the steel balls for grinding operation, and when the tension spring vibrates, the steel balls rise and fall and rotate in the sliding plate, so that the dry powder in the concave surface is finely ground.
Furthermore, a rolling chamber is formed between the steel ball and the sliding plate.
Has the advantages that: compared with the prior art of fine grinding, the technical scheme has the advantage that the steel balls are convenient to rotate by utilizing the independent cavity.
Furthermore, the negative pressure fluid suction layer is internally provided with a limiting edge, the limiting edge is positioned in the motion stroke of the vibration layer, the vibration layer divides the dry powder filtering layer and the negative pressure fluid suction layer into mutually independent chambers, and the height of the limiting edge is equal to the height of the opening.
Has the advantages that: avoid receiving the vibration layer tenesmus behind the dry powder effect, spacing limit reserves the space of accomodating of negative pressure suction layer.
Further, the negative pressure machine is separated from the containing cavity, an air inlet of the negative pressure machine is communicated with the opening, and an air outlet end of the negative pressure machine faces towards the containing cavity.
Has the advantages that: the negative pressure machine is prevented from being corroded by smoke.
Drawings
FIG. 1 is a half-sectional view of an embodiment of the present invention;
fig. 2 is a full cross-sectional view of the vibration layer of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the dry powder filtering device comprises a cabinet body 1, a dry powder filtering layer 2, a vibration layer 3, a negative pressure suction layer 4, an opening 5, a negative pressure machine 6, a limiting edge 7, a sliding plate 8, a tension spring 9, a nozzle 10, a rubber layer 11, steel balls 12 and a rolling chamber 13.
The embodiment is basically as shown in the attached figure 1: the utility model provides a fire control unit for chemical plant includes the cabinet body 1 of column, and cabinet body 1 from the top down includes in proper order that dry powder filters out layer 2, vibration layer 3 and negative pressure suction layer 4, and negative pressure suction layer 4 includes opening 5, negative pressure machine 6 and smoke sensor. Opening 5 is located the 1 surface of the cabinet body of column, form between opening 5 and the negative pressure machine 6 and accomodate the cavity, negative pressure machine 6 separates with accomodating the cavity, negative pressure machine 6's air inlet intercommunication opening 5, negative pressure machine 6's the end orientation of giving vent to anger accomodates the cavity, negative pressure is inhaled and is flowed layer 4 and is built-in have spacing limit 7, spacing limit 7 is located the motion stroke of vibration layer 3, vibration layer 3 filters out dry powder layer 2 and negative pressure and inhales and flow layer 4 and split into mutually independent cavity, and the height of spacing limit 7 equals opening 5's height.
Referring to fig. 2, the sliding plate 8 is made of an elastic material, the material hardness of the sliding plate 8 is 60A, the hardness of the rubber layer 11 is 80D, an interlayer is provided at the joint of the rubber layer 11 and the sliding plate 8, and the sliding plate 8 is in clearance fit with the rubber layer 11 through the interlayer. The slide plate 8 is internally provided with a plurality of steel balls 12, a rolling chamber 13 is formed between each steel ball 12 and the slide plate 8, and a regular quadrangle is formed between every two adjacent steel balls 12 and equally divides the surface of the slide plate 8.
The specific implementation process is as follows: this technical scheme is when using, when outside smog concentration is higher than the trigger value of smog inductor, the smog inductor drives negative-pressure machine 6 and absorbs outside smog, smog gets into and accomodates inside the cavity this moment, when accomodating cavity smog and the more and more condition of air current, it lifts vibration layer 3 gradually when rising to accomodate cavity internal pressure, the absorption that has realized poisoning smog has reduced the device around crowd by the possibility of smog jam respiratory tract, later on because smog absorbs more in the conflagration in-process, vibration layer 3 is tighter to the extruded trend of dry powder layer, otherwise the intraformational dry powder of dry powder is less and less, but less and less dry powder is because vibration layer 3 incessantly lifts when the blowout, thereby realize that sufficient dry powder and pressure of nozzle department gathering all the time, the defect that need empty when having avoided traditional use.
Simple harmonic motion that the extension spring 9 of vibration layer 3 produced afterwards, thereby make the in-process extension spring 9 that rises because non-directional moment produces the vibration, thereby dry powder that has avoided receiving after the extrusion condenses, the elastic coefficient of vibration layer 3 depends on the material of extension spring 9 self simultaneously, so when vibration layer 3 receives the extrusion, the reply of extension spring 9 generally is towards receiving the lighter direction of extrusion, the variable that produces vibration layer 3 and receives at this moment constantly changes, the first kind changes that the weight on dry powder layer is greater than negative pressure and inhales class layer 4, vibration layer 3 mainly replies the direction and inhales class layer 4 towards the negative pressure this moment, consequently, dry powder layer does not receive the extrusion, it becomes to compact to have avoided fluffy dry powder originally. The second is that when the weight of the dry powder layer is less than the pressure of the negative pressure suction layer 4, the dry powder layer is subjected to the restoring force of the vibration layer 3, so that the dry powder is enabled to be close to the spray head 10 and to vibrate, at the moment, the vibration layer 3 is equivalent to an adjustable shaker, the dry powder extruded for a long time below is shaken and dispersed, and meanwhile, the transportation function is also realized.
Because the hardness of slide 8 is different with rubber layer 11, even after 8 layers of indent on the slide, the intermediate layer can keep the gliding of unchangeable shape, avoided the dry powder to fall into negative pressure suction flow layer 4, after the dry powder extrudes the indentation into, the extension spring 9 is pressed closer to for the plane to the notch this moment, the vibration effect of this part has been promoted, slide 8 surface forms the concave surface and the plane of straggling simultaneously, thereby the dispersion of the dry powder piece of big coagulation has been realized, built-in steel ball 12 grinds the operation to the dry powder afterwards, when extension spring 9 vibrates, steel ball 12 rises and falls and rotates in slide 8, thereby grind the dry powder in the concave surface.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a fire control unit for chemical plant which characterized in that: the cabinet body including the column, the cabinet body from the top down includes in proper order that dry powder filters out layer, vibration layer and negative pressure and inhales the layer that flows, the negative pressure is inhaled the layer and is included opening, negative pressure machine and smoke sensor, the opening is located the cabinet body surface of column, forms between opening and the negative pressure machine and accomodates the cavity, and the opening part has one-way admission valve, and smoke sensor is used for controlling the negative pressure machine and opens, the vibration layer is located the intersection that dry powder filtered out layer and negative pressure and inhales the layer, and the vibration layer includes the slide of a set of opposition, be connected with the extension spring between the slide, the parcel has the rubber layer between the internal surface of the cabinet body of slide and column, dry powder filters out the layer and includes shower nozzle and pressure valve, shower nozzle intercommunication dry powder filters out the layer, pressure valve is.
2. A fire fighting unit for chemical plants according to claim 1, characterized in that: the sliding plate is made of elastic materials, the hardness of the sliding plate materials is 60A, the hardness of the rubber layer is 80D, an interlayer is arranged at the joint of the rubber layer and the sliding plate, and the sliding plate is in clearance fit with the rubber layer through the interlayer.
3. A fire fighting unit for chemical plants according to claim 2, characterized in that: the sliding plate is characterized in that a plurality of steel balls are arranged inside the sliding plate, a regular quadrangle is formed between every two adjacent steel balls, and the quadrangle equally divides the surface of the sliding plate.
4. A fire fighting unit for chemical plants according to claim 3, characterized in that: a rolling chamber is formed between the steel ball and the sliding plate.
5. A fire fighting unit for chemical plants according to claim 1, characterized in that: the negative pressure fluid suction layer is internally provided with a limiting edge, the limiting edge is positioned in the motion stroke of the vibration layer, the vibration layer divides the dry powder filtering layer and the negative pressure fluid suction layer into mutually independent chambers, and the height of the limiting edge is equal to the height of the opening.
6. A fire fighting unit for chemical plants according to claim 1, characterized in that: the negative pressure machine is separated from the containing cavity, an air inlet of the negative pressure machine is communicated with the opening, and an air outlet end of the negative pressure machine faces towards the containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092841.XA CN112870603B (en) | 2021-01-22 | 2021-01-22 | Fire control unit is used in chemical plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092841.XA CN112870603B (en) | 2021-01-22 | 2021-01-22 | Fire control unit is used in chemical plant |
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| CN112870603A true CN112870603A (en) | 2021-06-01 |
| CN112870603B CN112870603B (en) | 2022-05-10 |
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| CN202110092841.XA Active CN112870603B (en) | 2021-01-22 | 2021-01-22 | Fire control unit is used in chemical plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114049736A (en) * | 2021-12-24 | 2022-02-15 | 盐城星通物联技术有限公司 | Distributed Internet of things fire fighting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114049736A (en) * | 2021-12-24 | 2022-02-15 | 盐城星通物联技术有限公司 | Distributed Internet of things fire fighting system |
| CN114049736B (en) * | 2021-12-24 | 2023-08-01 | 盐城星通物联技术有限公司 | Distributed internet of things fire extinguishing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112870603B (en) | 2022-05-10 |
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