Stirring device for production of fluoride-free water-based fire extinguisher
By combining scraper blades in the wall-scraping mechanism, the problem of raw material adhesion in the production of fluorine-free water-based fire extinguishers is solved, achieving thorough mixing of raw materials and improving the quality of fire extinguishers.
Patent Information
- Application Number
- CN202423253390.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-28
AI Technical Summary
In the existing mixing devices used for producing fluorine-free water-based fire extinguishers, the raw materials tend to adhere to the inner wall of the mixing tank during the mixing process, resulting in insufficient mixing and affecting the quality of the fire extinguishers.
A mixing device including a stirring mechanism and a wall scraping mechanism was designed. The combination of a first stirring paddle and a scraper removes the adhering structure. The scraper contacts the inner wall of the mixing tank to ensure that the raw materials are fully mixed.
This process enables rapid and uniform mixing of raw materials, ensuring the quality and uniformity of the fluoride-free water, and thus guaranteeing the quality of the fire extinguisher.
Smart Images

Figure CN223628529U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of stirring, concretely relates to a kind of stirring device for fluorine-free water-based fire extinguisher production. BACKGROUND
[0002] Water-based fire extinguisher is a kind of extinguisher suitable for extinguishing solid or non-water-soluble liquid initial fire, and can extinguish live equipment fire. It is widely used in oil field, oil depot, ship, factory, shop and other places, and is essential fire-fighting equipment for preventing fire and protecting people's life and property. The extinguisher mechanism of water-based fire extinguisher is physical extinguisher principle. The extinguishing agent mainly includes carbon-hydrogen surfactant, fluorocarbon surfactant, flame retardant and additive. The extinguishing agent has penetration effect on class A fire, such as wood and cloth, and can penetrate into the inside of combustible material. Even if the fire is not completely extinguished, the agent injection site can effectively block the fire source and control the spread of fire. The extinguishing agent has isolation effect on class B fire, such as gasoline and volatile chemical liquid. The agent can form a long-time water film on the surface of the liquid. Even if the water film is damaged by external factors, its unique fluidity can quickly heal and make the flame suffocate. Therefore, water-based (water mist) fire extinguisher has incomparable flame retardancy compared with other fire extinguishers.
[0003] However, the current fluorine-free water-based fire extinguisher production stirring device usually only has a first stirring paddle for stirring and mixing. During the mixing and stirring process, the raw materials may adhere to the inner wall of the stirring tank, and the adhered raw materials cannot fully participate in the stirring, which may result in insufficient stirring. SUMMARY
[0004] To solve the problems in the prior art, the utility model provides a fluorine-free water-based fire extinguisher production stirring device.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A fluorine-free water-based fire extinguisher production stirring device, comprising:
[0007] A first stirring tank, the upper end of the first stirring tank is provided with a first feeding port, and the lower end of the first stirring tank is provided with a first discharging port;
[0008] A stirring mechanism, the stirring mechanism comprises a first driving motor, a first stirring shaft and a first stirring paddle, the first driving motor is arranged at the upper end of the first stirring tank, the first stirring shaft is arranged in the first stirring tank, the first driving motor is drivingly connected with the first stirring shaft, and the first stirring paddle is arranged at the lower end of the first stirring shaft;
[0009] The wall scraping mechanism comprises a first supporting ring and a first scraper plate, the first supporting ring is arranged at the upper end of the first stirring tank through a bearing, the first supporting ring is connected with the first stirring shaft, the first scraper plate is arranged at the lower end of the first supporting ring, and the first scraper plate is matched with the inner wall of the first stirring tank.
[0010] Further, the wall scraping mechanism comprises a first cylinder, a second supporting ring, a third supporting ring and a fourth supporting ring, the second supporting ring is arranged in the first supporting ring, a plurality of first connecting rods are arranged between the first supporting ring and the second supporting ring, the third supporting ring is sleeved on the upper end of the first stirring shaft, the fourth supporting ring is arranged at the lower end of the third supporting ring through a bearing, the fourth supporting ring is connected with the first stirring shaft through a plurality of second connecting rods, the fourth supporting ring is matched with the second supporting ring, the first cylinder is arranged at the upper end of the first stirring tank, and the first cylinder is connected with the third supporting ring.
[0011] Further, the upper end of the second supporting ring is provided with a plurality of first clamping grooves, the lower end of the fourth supporting ring is provided with a plurality of first clamping blocks, and the first clamping blocks correspond to the first clamping grooves one by one.
[0012] Further, the lower end of the first clamping block is provided with a first concave point, the lower end of the first clamping groove is provided with a first clamping point, and the first clamping point is matched with the first concave point.
[0013] Further, one end of the first scraper plate close to the inner wall of the first stirring tank is provided with a first rubber sheet.
[0014] The utility model discloses a kind of stirring devices for fluorine-free water-based fire extinguisher production, compared with prior art, its beneficial effect lies in, its structure is simple and stable, can guarantee the rapid stirring mixing of raw material, and first stirring tank inner wall raw material can be scraped down using wall scraping mechanism, to further guarantee the mixing uniformity of raw material, to further guarantee the quality of fluorine-free water-based fire extinguisher. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic view of preferred embodiment provided by the utility model.
[0016] Figure 2 It is the structure schematic view of local A of preferred embodiment provided by the utility model.
[0017] Figure 3 It is the structure schematic view of second supporting ring of preferred embodiment provided by the utility model.
[0018] Figure 4 It is the structure schematic view of fourth supporting ring of preferred embodiment provided by the utility model.
[0019] The reference signs include: 100, first stirring tank; 110, first feeding port; 120, first discharging port; 130, first driving motor; 140, first stirring shaft; 141, second connecting rod; 150, first stirring paddle; 160, first air cylinder; 210, first supporting ring; 211, first connecting rod; 220, second supporting ring; 221, first clamping groove; 222, first clamping point; 230, third supporting ring; 240, fourth supporting ring; 241, first clamping block; 242, first concave point; 250, first scraper; 251, first rubber sheet. DETAILED DESCRIPTION
[0020] The utility model discloses a kind of stirring devices for fluorine-free water-based fire extinguisher production, below in conjunction with preferred embodiment, the specific embodiment of the utility model is further described.
[0021] Referring to the drawings of Figures 1-4 , Figure 1 is
[0022] Preferred embodiment.
[0023] The embodiment provides a kind of stirring devices for fluorine-free water-based fire extinguisher production, comprising:
[0024] First stirring tank 100, the upper end of the first stirring tank 100 is equipped with first feeding port 110, the lower end of the first stirring tank 100 is equipped with first discharging port 120;
[0025] Stirring mechanism, the stirring mechanism includes first driving motor 130, first stirring shaft 140 and first stirring paddle 150, the first driving motor 130 is set to the upper end of the first stirring tank 100, the first stirring shaft 140 is set to the first stirring tank 100, the first driving motor 130 is driven to be connected with the first stirring shaft 140, the first stirring paddle 150 is set to the lower end of the first stirring shaft 140;
[0026] Wall scraping mechanism, the wall scraping mechanism includes first supporting ring 210 and first scraper 250, the first supporting ring 210 is set to the upper end of the first stirring tank 100 by bearing, the first supporting ring 210 is connected with the first stirring shaft 140, the first scraper 250 is set to the lower end of the first supporting ring 210, and the first scraper 250 is matched with the inner wall of the first stirring tank 100.
[0027] The first driving motor 130 is started to drive the first stirring shaft 140 to rotate, and then drive the first stirring paddle 150 to rotate, so as to stir and mix the raw materials for producing the fluorine-free water-based fire extinguisher, and the raw materials for producing the fluorine-free water-based fire extinguisher can be quickly and uniformly mixed. At the same time, the first supporting ring 210 is rotated to drive the first scraper 250 to rotate, so as to scrape off the raw materials adhered to the inner wall of the first stirring tank 100, so that the raw materials can fully participate in the mixing and stirring, and the mixing is fully ensured, and the quality of the fluorine-free water-based fire extinguisher is ensured.
[0028] Further, the wall scraping mechanism comprises a first cylinder 160, a second supporting ring 220, a third supporting ring 230 and a fourth supporting ring 240. The second supporting ring 220 is arranged in the first supporting ring 210, a plurality of first connecting rods 211 are arranged between the first supporting ring 210 and the second supporting ring 220, the third supporting ring 230 is sleeved on the upper end of the first stirring shaft 140, the fourth supporting ring 240 is arranged on the lower end of the third supporting ring 230 through a bearing, the fourth supporting ring 240 is connected with the first stirring shaft 140 through a plurality of second connecting rods 141, the fourth supporting ring 240 is matched with the second supporting ring 220, the first cylinder 160 is arranged on the upper end of the first stirring tank 100, and the first cylinder 160 is connected with the third supporting ring 230. The first cylinder 160 drives the third supporting ring 230 to move downward, that is, the fourth supporting ring 240 moves to the second supporting ring 220, the fourth supporting ring 240 is connected with the second supporting ring 220, that is, the fourth supporting ring 240 can be driven to rotate by the first stirring shaft 140, and then the second supporting ring 220 is driven to rotate, that is, the first scraper 250 is driven to rotate.
[0029] Further, the upper end of the second supporting ring 220 is provided with a plurality of first clamping grooves 221, the lower end of the fourth supporting ring 240 is provided with a plurality of first clamping blocks 241, and the first clamping blocks 241 correspond to the first clamping grooves 221. Through cooperation of the first clamping blocks 241 and the first clamping grooves 221, the second supporting ring 220 can be driven to rotate when the fourth supporting ring 240 rotates.
[0030] Further, the lower end of the first clamping block 241 is provided with a first concave point 242, and the lower end of the first clamping groove 221 is provided with a first clamping point 222, and the first clamping point 222 is matched with the first concave point 242. When the first clamping block 241 is inserted into the first clamping groove 221, the first clamping point 222 clamps the first concave point 242, so that the connection between the first clamping block 241 and the first clamping groove 221 is tight.
[0031] Further, the first scraper 250 is provided with a first rubber sheet 251 at one end close to the inner wall of the first stirring tank 100, which is directly in contact with the inner wall of the first stirring tank 100 through the first rubber sheet 251, so as to avoid damaging the inner wall of the first stirring tank 100.
[0032] It is worth mentioning that the first rubber sheet 251 and other technical features involved in the utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, which should not be regarded as the utility model point of the utility model patent, and the utility model patent will not be further expanded and described in detail.
[0033] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A stirring device for producing a fluorine-free water-based fire extinguisher, characterized by, The utility model relates to a first stirring tank (100) upper end is equipped with first feeding port (110), first stirring tank (100) lower end is equipped with first discharge gate (120); Stirring mechanism includes first drive motor (130), first stirring shaft (140) and first stirring paddle (150), first drive motor (130) is set up in first stirring tank (100) upper end, first stirring shaft (140) is set up in first stirring tank (100) inside, first drive motor (130) is connected with first stirring shaft (140) drive, first stirring paddle (150) is set up in first stirring shaft (140) lower end; Wall scraping mechanism includes first support ring (210) and first scraper (250), first support ring (210) is set up in first stirring tank (100) upper end through bearing, first support ring (210) is connected with first stirring shaft (140), first scraper (250) is set up in first support ring (210) lower end, and first scraper (250) is matched with the inner wall of first stirring tank (100). The wall scraping mechanism includes a first cylinder (160), a second support ring (220), a third support ring (230), and a fourth support ring (240). The second support ring (220) is arranged in the first support ring (210). A plurality of first connecting rods (211) are arranged between the first support ring (210) and the second support ring (220). The third support ring (230) is sleeved on the upper end of the first stirring shaft (140). The fourth support ring (240) is arranged on the lower end of the third support ring (230) through a bearing. The fourth support ring (240) is connected with the first stirring shaft (140) through a plurality of second connecting rods (141). The fourth support ring (240) is matched with the second support ring (220). The first cylinder (160) is arranged on the upper end of the first stirring tank (100). The first cylinder (160) is connected with the third support ring (230).
2. The stirring device for producing a fluorine-free water-based fire extinguisher according to claim 1, characterized by The upper end of the second support ring (220) is provided with a plurality of first clamping grooves (221). The lower end of the fourth support ring (240) is provided with a plurality of first clamping blocks (241). The first clamping blocks (241) correspond one-to-one with the first clamping grooves (221).
3. The stirring device for producing a fluorine-free water-based fire extinguisher according to claim 2, characterized by The lower end of the first clamping block (241) is provided with a first concave point (242). The lower end of the first clamping groove (221) is provided with a first clamping point (222). The first clamping point (222) is matched with the first concave point (242).
4. The stirring device for producing a fluorine-free water-based fire extinguisher according to claim 3, characterized by One end of the first scraper (250) close to the inner wall of the first stirring tank (100) is provided with a first rubber sheet (251).
5. The fluorine-free water-based fire extinguisher production stirring device according to claim 4, characterized in that,