Fireproof safety device of inner floating disc storage tank
By installing temperature-sensing cables and fire extinguishing mechanisms inside the storage tank, the temperature can be monitored and foam injection can be remotely controlled, thus solving the problem of flammability of storage tanks in chemical production and enabling timely fire extinguishing and safe control of fires inside the storage tank.
Patent Information
- Application Number
- CN202423225720.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In chemical production processes, internal floating roof tanks are prone to fires caused by static electricity or sparks, and the fire is difficult to detect and control in time before it spreads, resulting in economic losses and casualties.
Temperature sensing and fire extinguishing mechanisms are installed inside the storage tank. Temperature anomalies are monitored via temperature sensing cables, and emergency shut-off valves are remotely controlled to activate foam pumps, injecting foam liquid into the storage tank to isolate it from the oil and extinguish the fire.
Effective prevention and control of fires inside storage tanks, timely isolation of oil from air through temperature monitoring to prevent the spread of fire and ensure the safety of storage tanks.
Smart Images
Figure CN223779040U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of chemical industry, concretely relates to a kind of inner floating disc storage tank fire safety device. BACKGROUND
[0002] In chemical production process, oil gas in atmospheric pressure inner floating roof storage tank contacts static electricity or spark, reaches certain ignition value, and oil product in tank is easily ignited, and many such accidents have occurred in domestic storage and transportation tank area.Because personnel cannot intuitively find when initial ignition in tank, when fire spreads out of tank body, fire has been out of control, causing great economic loss and personnel casualty. CONTENT OF UTILITY MODEL
[0003] In view of above-mentioned existing technical problem, the purpose of the utility model is to provide a kind of inner floating disc storage tank fire safety device, by setting temperature sensing mechanism machine fire extinguishing mechanism on storage tank;When initial ignition of oil product in tank, temperature anomaly is monitored by control system, and foam is injected into tank by fire extinguishing mechanism, to achieve the effect of fire extinguishing.
[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is: a kind of inner floating disc storage tank fire safety device, comprising: storage tank body, inner floating disc, floating disc sealing bag, temperature sensing mechanism, fire extinguishing mechanism, emergency shut-off valve;The inner floating disc is supported and installed at the center position of the bottom of storage tank body;The sealing bag is installed at the edge of inner floating disc and is attached to the inner wall of storage tank body;Temperature sensing mechanism is arranged in the inside of storage tank body, and fire extinguishing mechanism is located outside the storage tank body;The side wall of storage tank body leads into the inlet and outlet pipe, and emergency shut-off valve is arranged on the inlet and outlet pipe;
[0005] Further, the edge of the inner floating disc is also fixedly installed with a foam weir plate, and the foam weir plate forms a foam space with the inner wall of the storage tank.
[0006] Further, the temperature sensing mechanism comprises: a plurality of temperature sensing cables and a remote temperature instrument;The plurality of temperature sensing cables are laid on the inner floating disc, and the top ends of the plurality of temperature sensing cables are connected to the top wall of the storage tank body;The remote temperature instrument is installed outside the storage tank body at the intersection position of the plurality of temperature sensing cables and the top wall.
[0007] Further, the number of temperature sensing cables is three.
[0008] Further, the fire extinguishing mechanism comprises: a foam tank, a foam pump, a foam generator and a control valve;One end of the foam tank is connected to the inlet of the foam pump through a pipeline, the outlet pipeline of the foam pump is connected to the outer side wall of the storage tank body, the foam generator is connected to the outlet pipeline of the foam pump near the outer side wall of the storage tank body, and the control valve is arranged on the outlet pipeline of the foam pump near the foam pump.
[0009] Further, the pipeline of the front end of the foam generator is communicated with the foam inlet of the tank body, and an arc-shaped baffle downwardly arranged is arranged on the inner wall of the tank body at the foam inlet position;
[0010] Further, the safety device is further provided with a remote control center, and the remote temperature instrument is connected to the remote control center through a signal, and the remote temperature instrument transmits a temperature signal to the remote control center.
[0011] Further, the control valve and the foam pump in the fire extinguishing mechanism are connected to the remote control center through a signal.
[0012] The fireproof process of the fire safety device of the inner floating disc tank with the above structure is as follows:
[0013] When the remote center monitors that two of the three temperature sensing cables reach 80 DEG C, the remote control center remotely closes the emergency cut-off valve, remotely starts the foam pump, opens the control valve of the foam pump outlet, and the foam liquid in the foam tank is sprayed into the foam space between the foam weir plate and the inner wall of the tank body through the foam generator on the outer wall of the tank body, so that the oil in the tank body is isolated from air, and the fire extinguishing function is achieved.
[0014] In the above fire extinguishing process, two of the three temperature sensing cables reaching 80 DEG C is the principle, so as to prevent misoperation and ensure the operation accuracy.
[0015] The beneficial effects of the fire safety device of the present application are as follows:
[0016] During the operation of the tank, if the oil in the tank is ignited by static electricity, sparks and the like, the temperature in the tank is monitored to be increased, the foam liquid is sprayed into the tank in time, the oil is isolated from air, and the fire extinguishing function is achieved; the temperature of the temperature sensing cable is monitored in time, and the fire hazard is eliminated in time, so that the safety of the tank is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural view of the fire safety device of the inner floating disc tank.
[0018] In the figure, 1 is a tank body, 2 is an inner floating disc, 3 is a floating disc sealing bag, 4 is an emergency cut-off valve, 5 is an inlet and outlet pipe, 6 is a foam weir plate, 7 is a temperature sensing cable, 8 is a remote temperature instrument, 9 is a foam tank, 10 is a foam pump, 11 is a foam generator, 12 is a control valve, 13 is a foam pump outlet pipeline, 14 is an arc-shaped baffle, and 15 is a remote control center. DETAILED DESCRIPTION
[0019] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0020] like Figure 1 As shown, a fire safety device for an internal floating roof storage tank includes: a storage tank body 1, an internal floating roof 2, a floating roof sealing bag 3, a temperature sensing mechanism, a fire extinguishing mechanism, and an emergency shut-off valve 4; the internal floating roof 2 is supported and installed at the center of the bottom of the storage tank body 1; the floating roof sealing bag 3 is installed on the edge of the internal floating roof 2 and is attached to the inner wall of the storage tank body 1; the temperature sensing mechanism is located inside the storage tank body 1, and the fire extinguishing mechanism is located outside the storage tank body 1; an inlet / outlet main pipe 5 is led out from the outer wall of one side of the storage tank body 1, and an emergency shut-off valve 4 is installed on the inlet / outlet main pipe 5;
[0021] Furthermore, a foam weir plate 6 is fixedly installed on the edge of the inner floating plate 2, and the foam weir plate 6 forms a foam space with the inner wall of the storage tank; when the fire extinguishing mechanism introduces foam liquid into the storage tank body 1, the injected foam liquid enters the foam space.
[0022] Furthermore, the temperature sensing mechanism includes: several temperature sensing cables 7 and a remote temperature instrument 8; the several temperature sensing cables 7 are laid on the inner floating plate 2, the top ends of the several temperature sensing cables 7 are gathered together and connected to the top wall of the tank body 1, and the remote temperature instrument 8 is installed on the outside of the tank body 1 at the intersection of the several temperature sensing cables 7 and the top wall of the tank.
[0023] Furthermore, the number of the temperature-sensing cables 7 is set to three;
[0024] Furthermore, the fire extinguishing mechanism includes: a foam tank 9, a foam pump 10, a foam generator 11, and a control valve 12; one end of the foam tank 9 is connected to the inlet of the foam pump 10, the outlet pipeline 13 of the foam pump is connected to the outer wall of the storage tank body 1, the foam generator 11 is connected to the foam pump outlet pipeline 13 near the outer wall of the storage tank body 1, and the control valve 12 is installed on the foam pump outlet pipeline 13 near the foam pump 10; when it is necessary to spray foam into the storage tank body 1, the foam liquid in the foam tank 9 is pumped to the foam generator 11 through the foam pump 10, and then injected into the storage tank body 1 through the foam generator 11;
[0025] Further, the pipeline in front end of the foam generator 11 communicates with the position of the foam inlet of the storage tank body 1, and the arc-shaped baffle 14 is installed on the inner wall of the storage tank body 1 at the position of the foam inlet; when the foam liquid enters, the arc-shaped baffle 14 blocks the horizontal injection of the foam liquid, so as to guide the foam liquid to enter into the foam space downward;
[0026] Further, the fire safety device is further provided with a remote control center 15, and the remote temperature instrument 8 is connected to the remote control center 15 through a signal; the remote temperature instrument 8 transmits the temperature signal to the remote control center 15.
[0027] Further, the control valve 12 and the foam pump 10 in the fire extinguishing mechanism are connected to the remote control center 15 through a signal; when the temperature of the storage tank reaches the set value according to the transmitted temperature signal, the remote control center 15 controls the opening of the foam pump 10 and the control valve 12, and the foam liquid is injected into the storage tank body 1 through the foam generator 11.
[0028] The fireproof process of the fire safety device of the inner floating disc storage tank with the above structure is as follows:
[0029] The temperature signal is transmitted to the remote control center 15 by the temperature sensing cable 7 in time, and when two of the three temperature sensing cables 7 reach 80℃, the remote control center 15 remotely closes the emergency cut-off valve 4, remotely starts the foam pump 10, opens the control valve 12 at the outlet of the foam pump 10, and injects the foam liquid in the foam tank 9 into the foam space between the foam weir plate 6 and the inner wall of the storage tank through the foam generator 11 on the outer wall of the storage tank body 1, so as to isolate the oil in the storage tank body 1 from the air and achieve the function of fire extinguishing.
[0030] In the description of the utility model, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the utility model, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited. In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0032] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this paper are only for the purpose of illustration, and do not represent the only embodiment.
[0033] The above is only the best embodiment of the utility model. Obviously, the utility model is not limited to the above embodiments, and there can be many variations. All the variations that can be directly derived or inferred from the content disclosed in the utility model by those skilled in the art should be considered as the protection scope of the utility model.
Claims
1. A fire safety device for an internal floating roof storage tank, characterized in that, include: Tank body, internal floating roof, floating roof sealing bag, temperature sensing mechanism, fire extinguishing mechanism, emergency shut-off valve; The inner floating roof is supported and installed at the center of the bottom of the tank body; the sealing bag is installed on the edge of the inner floating roof and fits against the inner wall of the tank body; the temperature sensing mechanism is located inside the tank body, and the fire extinguishing mechanism is located outside the tank body; an inlet and outlet main pipe is led out from the outer wall of one side of the tank body, and an emergency shut-off valve is installed on the inlet and outlet main pipe.
2. The fire safety device for an internal floating roof storage tank according to claim 1, characterized in that: A foam weir plate is also fixedly installed on the edge of the inner floating roof, and the foam weir plate forms a foam space with the inner wall of the storage tank.
3. The fire safety device for an internal floating roof storage tank according to claim 1, characterized in that: The temperature sensing mechanism includes: several temperature sensing cables and a remote temperature instrument; the several temperature sensing cables are laid on the inner floating plate, and the top ends of the several temperature sensing cables are gathered together and connected to the top wall of the tank body. The remote temperature instrument is installed on the outside of the tank body at the intersection of the several temperature sensing cables and the top wall of the tank body.
4. The fire safety device for an internal floating roof storage tank according to claim 3, characterized in that: The number of temperature-sensing cables is set to three.
5. A fire safety device for an internal floating roof storage tank according to claim 1, characterized in that: The fire extinguishing mechanism includes: a foam tank, a foam pump, a foam generator, and a control valve; one end of the foam tank is connected to the inlet of the foam pump, the outlet of the foam pump is connected to the outer wall of the tank body, the foam generator is connected to the outlet of the foam pump near the outer wall of the tank body, and a control valve is installed on the outlet of the foam pump near the foam pump.
6. A fire safety device for an internal floating roof storage tank according to claim 5, characterized in that: The connection point between the pipeline at the front end of the foam generator and the main body of the storage tank is the foam inlet of the main body of the storage tank. A downward-facing arc-shaped baffle is installed on the inner wall of the main body of the storage tank at the inlet.
7. A fire safety device for an internal floating roof storage tank according to claim 3, characterized in that: The safety device is also equipped with a remote control center. The remote temperature instrument is connected to the remote control center via a signal, and the remote temperature instrument transmits the temperature signal to the remote control center.
8. A fire safety device for an internal floating roof storage tank according to claim 5, characterized in that: The control valves and foam pumps in the fire extinguishing system are connected to a remote control center via signal.