Accurate dosing equipment for building fire-fighting water

Abstract

The utility model relates to the technical field of building fire-fighting water precise dosing equipment, in particular to building fire-fighting water precise dosing equipment which comprises a base, one side of the top of the base is fixedly connected with a material mixing barrel, the other side of the top of the base is fixedly connected with a quantitative dosing mechanism, the top of the material mixing barrel is fixedly connected with a water pump, and the water pump is fixedly connected with a water pump. The water pump is communicated with the quantitative feeding mechanism and the mixing barrel; water is injected into the material mixing barrel, chemicals are put into the material mixing barrel, after the water and the chemicals are mixed, the chemicals are introduced into the quantifying barrel through the water pump, the controller monitors the liquid level condition in the quantifying barrel in real time through the liquid level sensor, and the volume of the chemicals in the quantifying barrel can be obtained through liquid level data and the bottom area of the quantifying barrel; and after the medicine water reaches a set amount, the motor drives the piston rod to move downwards, and the medicine water is led out through the first discharging pipe and the second discharging pipe, so that the effect of quantitative and accurate medicine feeding is achieved, and the problem that the medicine amount is uncontrollable due to manual medicine feeding operation is solved.

Description

Technical Field

[0001] This utility model relates to the technical field of precision dosing equipment for building fire protection water, specifically a precision dosing equipment for building fire protection water. Background Technology

[0002] Before use, fire-fighting water in buildings undergoes a chemical dosing process, particularly with aqueous film-forming agents (AFCAs), which play a crucial role in fire suppression. These agents form a thin film on the water surface, effectively isolating oxygen and thus inhibiting the spread of flames. Their low-concentration, high-efficiency characteristics allow them to achieve excellent results while reducing costs. Furthermore, the foam film formed during fire suppression covers the surface of burning materials, isolating the flames from air, lowering the fire temperature, and slowing the fire's spread.

[0003] Currently, existing technologies typically use water pumps to directly introduce the agents from the agent tank into the fire water tank. This makes the amount of agents dispensed uncontrollable. Excessive dosage leads to waste, while insufficient dosage results in inadequate fire extinguishing effect. Therefore, there is a need to propose a precise agent dosing device for building fire protection water. Utility Model Content

[0004] To overcome the shortcomings of existing technologies and the problem of uncontrollable dosage caused by manual dosing, this utility model proposes a precise dosing device for building fire protection water.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a precise dosing device for building fire protection water, including a base, a mixing tank fixedly connected to one side of the top of the base, a quantitative feeding mechanism fixedly connected to the other side of the top of the base, a water pump fixedly connected to the top of the mixing tank, the water pump being connected to both the quantitative feeding mechanism and the mixing tank, and a controller fixedly connected to the top of the base near the quantitative feeding mechanism.

[0006] The quantitative feeding mechanism includes a quantitative bucket, which is fixedly connected to the top of the base. A liquid level sensor is fixedly connected to the inner cavity of the quantitative bucket. A first discharge pipe is fixedly connected to the bottom of the quantitative bucket. A second discharge pipe is fixedly connected to one side of the first discharge pipe. A piston rod is slidably connected to the inner cavity of the first discharge pipe. A sealing sleeve is fixedly connected to the top of the piston rod. A motor is fixedly connected to the bottom of the quantitative bucket, and the motor drives the piston rod to rise and fall.

[0007] Preferably, a mixer is fixedly connected to the top of the mixing tank, and the mixing shaft of the mixer extends into the inner cavity of the mixing tank.

[0008] Preferably, the mixing tank has a feeding port at the top, and a funnel is fixedly connected to the top of the feeding port.

[0009] Preferably, a first connecting pipe is fixedly connected to one end of the water pump, the first connecting pipe extending into the interior of the mixing tank, and a second connecting pipe is fixedly connected to the other side of the water pump, one end of the second connecting pipe extending into the interior of the metering tank.

[0010] Preferably, a fixing sleeve is fixedly connected to the bottom of the first discharge pipe, and an annular groove is opened at the bottom of the fixing sleeve, and a threaded sleeve is rotatably connected to the inner cavity of the annular groove.

[0011] Preferably, one end of the piston rod extends through the inner cavity of the fixed sleeve and is slidably connected to the fixed sleeve, and a screw is threadedly connected to the inner cavity of the threaded sleeve, the screw being fixedly connected to the bottom of the piston rod.

[0012] Preferably, a second gear is fixedly connected to the outer wall of the threaded sleeve, and a first gear is fixedly connected to the motor output end, with the first gear meshing with the second gear.

[0013] The advantages of this utility model are:

[0014] This invention involves injecting water and adding medicine into a mixing tank. After mixing, a water pump introduces the medicine-water mixture into a metering tank. The controller uses a level sensor to monitor the liquid level in the metering tank in real time. The volume of medicine-water mixture in the metering tank can be obtained using the liquid level data and the bottom area of ​​the metering tank. When the medicine-water mixture reaches the predetermined amount, the motor drives the piston rod to move downward, and the medicine-water mixture is led out through the first and second discharge pipes, thus achieving the effect of precise quantitative drug dosing and solving the problem of uncontrollable drug dosage caused by manual drug dosing. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a side view of the structure of this utility model;

[0017] Figure 2 This is a side sectional view of the mixing barrel of this utility model.

[0018] Figure 3 This is a side sectional view of the stirring mechanism of this utility model.

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram of section A in the middle;

[0020] Figure 5 This utility model Figure 3 Enlarged structural diagram of section B.

[0021] In the diagram: 1. Base; 2. Mixing tank; 21. Mixer; 22. Feeding port; 23. Funnel; 24. Water pump; 25. First connecting pipe; 26. Second connecting pipe; 3. Quantitative feeding mechanism; 31. Quantitative tank; 32. Liquid level sensor; 33. First discharge pipe; 34. Piston rod; 35. Sealing sleeve; 36. Second discharge pipe; 37. Fixing sleeve; 38. Screw; 39. Threaded sleeve; 310. Annular groove; 311. First gear; 312. Second gear; 313. Motor; 4. Controller. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0024] This application discloses a precision dosing device for building fire protection water supply. (Refer to...) Figures 1-5 A precision dosing device for fire protection in buildings includes a base 1, a mixing tank 2 fixedly connected to one side of the top of the base 1, a quantitative dispensing mechanism 3 fixedly connected to the other side of the top of the base 1, a water pump 24 fixedly connected to the top of the mixing tank 2, the water pump 24 being connected to both the quantitative dispensing mechanism 3 and the mixing tank 2, and a controller 4 fixedly connected to the top of the base 1 near the quantitative dispensing mechanism 3. By introducing water and adding chemicals into the mixing tank 2, the water pump 24 introduces the chemical water into the quantitative dispensing mechanism 3 after mixing. The controller 4 monitors the volume of chemical water in the quantitative dispensing mechanism 3 in real time. Once the predetermined amount of chemical water is reached, the quantitative dispensing mechanism 3 draws out the chemical water, thereby achieving the purpose of precise quantitative dosing.

[0025] The quantitative feeding mechanism 3 includes a quantitative tank 31, which is fixedly connected to the top of the base 1. A liquid level sensor 32 is fixedly connected to the inner cavity of the quantitative tank 31. A first discharge pipe 33 is fixedly connected to the bottom of the quantitative tank 31. A second discharge pipe 36 is fixedly connected to one side of the first discharge pipe 33. A piston rod 34 is slidably connected to the inner cavity of the first discharge pipe 33. A sealing sleeve 35 is fixedly connected to the top of the piston rod 34. A motor 313 is fixedly connected to the bottom of the quantitative tank 31. The motor 313 drives the piston rod 34 to rise and fall. The liquid level in the quantitative tank 31 is detected in real time by the controller 4 in conjunction with the liquid level sensor 32. The volume of the medicine water can be determined based on the liquid level height and the area of ​​the bottom of the quantitative tank 31. When the predetermined target amount of medicine water is reached, the controller 4 controls the water pump 24 to stop. At the same time, the motor 313 drives the piston rod 34 to slide downward. The sealing sleeve 35 slides with the piston rod 34 and disengages from the port of the first discharge pipe 33, so that the medicine water is led out from the first discharge pipe 33 and the second discharge pipe 36.

[0026] Reference Figure 1 and Figure 2 A mixer 21 is fixedly connected to the top of the mixing tank 2. The mixing shaft of the mixer 21 extends into the inner cavity of the mixing tank 2. A feeding port 22 is opened on the top of the mixing tank 2. A funnel 23 is fixedly connected to the top of the feeding port 22. A first connecting pipe 25 is fixedly connected to one end of the water pump 24. The first connecting pipe 25 extends into the interior of the mixing tank 2. A second connecting pipe 26 is fixedly connected to the other side of the water pump 24. One end of the second connecting pipe 26 extends into the interior of the metering tank 31. The medicine is put into the mixing tank 2 through the funnel 23 on the feeding port 22. Water is then introduced into the mixing tank 2. After the mixer 21 mixes the materials, the water pump 24 introduces the mixed medicine water into the metering tank 31 through the first connecting pipe 25 and the second connecting pipe 26.

[0027] Reference Figure 3 , Figure 4 and Figure 5 A fixed sleeve 37 is fixedly connected to the bottom of the first discharge pipe 33. An annular groove 310 is opened at the bottom of the fixed sleeve 37. A threaded sleeve 39 is rotatably connected to the inner cavity of the annular groove 310. One end of the piston rod 34 passes through the inner cavity of the fixed sleeve 37 and is slidably connected to the fixed sleeve 37. A screw 38 is threadedly connected to the inner cavity of the threaded sleeve 39. The screw 38 is fixedly connected to the bottom of the piston rod 34. A second gear 312 is fixedly connected to the outer wall of the threaded sleeve 39. A first gear 311 is fixedly connected to the output end of the motor 313. The first gear 311 meshes with the second gear 312. The motor 313 drives the second gear 312 to rotate. The second gear 312 drives the first gear 311 to rotate. The first gear 311 drives the threaded sleeve 39 to rotate in the annular groove 310 of the fixed sleeve 37. The screw 38 rotates under the drive of the threaded sleeve 39, so that the piston rod 34 and the sealing sleeve 35 slide downward with the screw 38.

[0028] Working principle: During use, the base 1 is placed stably, water is introduced into the mixing tank 2, and the medicine is added into the mixing tank 2 through the funnel 23 on the feeding port 22. The mixer 21 stirs to accelerate the dissolution of the medicine in the water. Then, the controller 4 presets the target amount of medicine water, and the water pump 24 is turned on. The water pump 24 introduces the medicine water into the metering mechanism 3 through the first connecting pipe 25 and the second connecting pipe 26. The liquid level sensor 32 detects the liquid level of the medicine water in the metering tank 31 in real time. The medicine level can be calculated based on the liquid level height and the bottom area of ​​the metering tank 31. Once the volume of the reagent water reaches the predetermined target amount, the controller 4 controls the water pump 24 to shut down, and at the same time the motor 313 starts. The motor 313 drives the threaded sleeve 39 to rotate through the first gear 311 and the second gear 312. The threaded sleeve 39 rotates stably in the annular groove 310 of the fixed sleeve 37. The threaded sleeve 39 drives the screw 38 to slide downward. The screw 38 drives the piston rod 34 and the sealing sleeve 35 to slide downward. The sealing sleeve 35 disengages from the top port of the first discharge pipe 33, and the first connecting pipe 25 and the second discharge pipe 36 are connected, allowing the reagent water to be drawn out.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A precision dosing device for fire protection in buildings, comprising a base (1), characterized in that: A mixing tank (2) is fixedly connected to one side of the top of the base (1), and a quantitative feeding mechanism (3) is fixedly connected to the other side of the top of the base (1). A water pump (24) is fixedly connected to the top of the mixing tank (2). The water pump (24) is connected to both the quantitative feeding mechanism (3) and the mixing tank (2). A controller (4) is fixedly connected to the top of the base (1) near the quantitative feeding mechanism (3). The quantitative feeding mechanism (3) includes a quantitative bucket (31), which is fixedly connected to the top of the base (1). A liquid level sensor (32) is fixedly connected to the inner cavity of the quantitative bucket (31). A first discharge pipe (33) is fixedly connected to the bottom of the quantitative bucket (31). A second discharge pipe (36) is fixedly connected to one side of the first discharge pipe (33). A piston rod (34) is slidably connected to the inner cavity of the first discharge pipe (33). A sealing sleeve (35) is fixedly connected to the top of the piston rod (34). A motor (313) is fixedly connected to the bottom of the quantitative bucket (31). The motor (313) drives the piston rod (34) to rise and fall.

2. The precision dosing device for building fire protection water supply according to claim 1, characterized in that: A mixer (21) is fixedly connected to the top of the mixing tank (2), and the mixing shaft of the mixer (21) extends into the inner cavity of the mixing tank (2).

3. The precision dosing device for building fire protection water supply according to claim 1, characterized in that: The mixing tank (2) has a feeding port (22) at the top, and a funnel (23) is fixedly connected to the top of the feeding port (22).

4. The precision dosing device for building fire protection water supply according to claim 1, characterized in that: One end of the water pump (24) is fixedly connected to a first connecting pipe (25), which extends into the interior of the mixing tank (2). The other side of the water pump (24) is fixedly connected to a second connecting pipe (26), one end of which extends into the interior of the metering tank (31).

5. A precision dosing device for building fire protection water supply according to claim 1, characterized in that: The bottom of the first discharge pipe (33) is fixedly connected to a fixed sleeve (37), and the bottom of the fixed sleeve (37) is provided with an annular groove (310), and the inner cavity of the annular groove (310) is rotatably connected to a threaded sleeve (39).

6. A precision dosing device for building fire protection water supply according to claim 5, characterized in that: One end of the piston rod (34) extends through the inner cavity of the fixed sleeve (37) and is slidably connected to the fixed sleeve (37). The inner cavity of the threaded sleeve (39) is threaded with a screw (38), and the screw (38) is fixedly connected to the bottom of the piston rod (34).

7. A precision dosing device for building fire protection water supply according to claim 6, characterized in that: The outer wall of the threaded sleeve (39) is fixedly connected to a second gear (312), and the output end of the motor (313) is fixedly connected to a first gear (311), which meshes with the second gear (312).

Images