Water-based fire extinguishing agent production sampling device with controllable liquid taking amount

Abstract

The utility model discloses a sampling device for producing a water-based fire extinguishing agent with controllable liquid taking quantity, which comprises a production unit, the production unit comprises a stirring tank and a feeding pipe fixedly communicated with the top of the stirring tank, a servo motor is fixedly mounted at the top of the stirring tank, a discharging pipe is fixedly communicated with the side wall of the stirring tank, and the discharging pipe is fixedly communicated with the stirring tank. The pipe wall of the feeding pipe and the pipe wall of the discharging pipe are both sleeved with valves, the output end of the servo motor penetrates through the stirring tank and is fixedly connected with a stirring rod, the sampling unit comprises a T-shaped pipe fixedly communicated to the side wall of the stirring tank, the bottom end of the T-shaped pipe is fixedly communicated with a sampling barrel, and one end of the T-shaped pipe is in threaded connection with a threaded rod. By adjusting the height of the piston disc in the sampling barrel, the storage amount of the fire extinguishing agent in the sampling barrel can be controlled, and the fire extinguishing agent in the sampling barrel can be discharged from the L-shaped pipe, so that the fire extinguishing agent can be quantitatively sampled.

Description

Technical Field

[0001] This utility model relates to the field of sampling device technology, and in particular to a sampling device for the production of water-based fire extinguishing agents with controllable liquid volume. Background Technology

[0002] Water-based fire extinguishers contain surfactants and other substances mixed with treated purified water in a liquid form, hence the name "water-based fire extinguisher." When sprayed, water-based (water mist) fire extinguishers produce a water mist that instantly evaporates a large amount of heat from the fire, rapidly reducing the fire temperature and suppressing heat radiation. The surfactants quickly form a water film on the surface of combustible materials, isolating oxygen and providing both cooling and isolation effects, while simultaneously participating in fire extinguishing, thus achieving rapid fire suppression.

[0003] The main components of water-based fire extinguishing agents include water, surfactants, and stabilizers. During the production process, various raw materials need to be stirred and mixed. During the stirring process in the mixing tank, the fire extinguishing agent needs to be sampled for testing and sample retention. In the sampling process, the sample is taken by opening the valve of the discharge pipe. This method is difficult to obtain a quantitative liquid sample, which can easily lead to waste. Therefore, a sampling device for the production of water-based fire extinguishing agents with controllable liquid volume is proposed. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the sampling device for the production of water-based fire extinguishing agents with controllable liquid volume, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a sampling device for the production of water-based fire extinguishing agents with controllable liquid volume. It is suitable for solving the problem that when water-based fire extinguishing agents are produced and stirred, the valve of the discharge pipe is usually opened for sampling, which makes it difficult to obtain a quantitative liquid sample and thus easily leads to waste.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a sampling device for the production of water-based fire extinguishing agents with controllable liquid volume, comprising:

[0008] The production unit includes a mixing tank and a feed pipe fixedly connected to the top of the mixing tank. A servo motor is fixedly installed on the top of the mixing tank, and a discharge pipe is fixedly connected to the side wall of the mixing tank. Valves are fitted on the walls of both the feed pipe and the discharge pipe. The output end of the servo motor passes through the mixing tank and is fixedly connected to a stirring rod.

[0009] The sampling unit includes a T-shaped tube fixedly connected to the side wall of a mixing tank. A sampling bucket is fixedly connected to the bottom end of the T-shaped tube. A threaded rod is threadedly connected to one end of the T-shaped tube. One end of the threaded rod passes through the T-shaped tube and is rotatably connected to a sealing plug. An adjusting rod is threadedly connected to the bottom of the sampling bucket. A piston disc is rotatably connected to the top end of the adjusting rod passing through the sampling bucket. An L-shaped tube is fixedly connected to the bottom of the piston disc, passing through the piston disc. The L-shaped tube vertically passes through the sampling bucket, and a valve is sleeved on the wall of the L-shaped tube.

[0010] As a preferred embodiment of the sampling device for the production of water-based fire extinguishing agent with controllable liquid volume described in this utility model, wherein: a limiting plate is fixedly sleeved on the threaded rod, and the limiting plate is in contact with the end of the T-tube.

[0011] As a preferred embodiment of the sampling device for the production of water-based fire extinguishing agent with controllable liquid volume described in this utility model, wherein: the top of the sampling barrel is fixedly connected to an air inlet pipe, and a valve is sleeved on the wall of the air inlet pipe.

[0012] As a preferred embodiment of the sampling device for the production of water-based fire extinguishing agent with controllable liquid volume described in this utility model, wherein: a transparent window is embedded in the side wall of the sampling barrel, and a scale line is provided on one side of the transparent window.

[0013] As a preferred embodiment of the sampling device for the production of water-based fire extinguishing agent with controllable liquid volume described in this utility model, a sealing ring is fixedly connected to the bottom of the piston disc, and the sealing ring is in contact with the side wall of the inner cavity of the sampling barrel.

[0014] As a preferred embodiment of the sampling device for the production of water-based fire extinguishing agent with controllable liquid volume described in this utility model, the top of the mixing tank is threadedly connected to a rotating rod, the bottom end of the rotating rod passes through the mixing tank and is rotatably connected to a filter frame, and the filter frame is attached to the side wall of the inner cavity of the mixing tank.

[0015] The beneficial effects of this utility model are as follows: by adjusting the height of the piston disc inside the sampling barrel by rotating the adjusting rod, the storage amount of extinguishing agent in the sampling barrel can be controlled. By rotating the threaded rod to move the sealing plug, the extinguishing agent can be delivered into the sampling barrel. The extinguishing agent in the sampling barrel can be discharged from the L-shaped tube, thereby enabling quantitative sampling of the extinguishing agent to reduce waste. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of the sampling device for the production of water-based fire extinguishing agents with controllable liquid volume proposed in this utility model.

[0018] Figure 2 This is a cross-sectional schematic diagram of the internal structure of the mixing tank proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of a partial cross-section of the T-shaped tube proposed in this utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of the internal structure of the sampling bucket proposed in this utility model.

[0021] Description of the attached drawings:

[0022] 100. Production unit; 101. Mixing tank; 102. Feed pipe; 103. Servo motor; 104. Discharge pipe; 105. Stirring rod; 200. Sampling unit; 201. T-tube; 202. Sampling bucket; 203. Threaded rod; 204. Sealing plug; 205. Adjusting rod; 206. Piston disc; 207. L-shaped tube; 208. Limiting plate; 209. Air inlet pipe; 210. Transparent window; 211. Sealing ring; 212. Rotating rod; 213. Filter frame. Detailed Implementation

[0023] To make the above-mentioned objectives, 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.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0026] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0027] Example

[0028] Reference Figures 1-4 As an embodiment of the present invention, a sampling device for the production of water-based fire extinguishing agent with controllable liquid volume is provided, comprising: a production unit 100 and a sampling unit 200;

[0029] The production unit 100 includes a mixing tank 101 and a feed pipe 102 fixedly connected to the top of the mixing tank 101. A servo motor 103 is fixedly installed on the top of the mixing tank 101. A discharge pipe 104 is fixedly connected to the side wall of the mixing tank 101. Valves are fitted on the walls of both the feed pipe 102 and the discharge pipe 104. The output end of the servo motor 103 passes through the mixing tank 101 and is fixedly connected to a stirring rod 105.

[0030] The sampling unit 200 includes a T-shaped tube 201 fixedly connected to the side wall of the mixing tank 101. The bottom end of the T-shaped tube 201 is fixedly connected to a sampling bucket 202. One end of the T-shaped tube 201 is threadedly connected to a threaded rod 203. One end of the threaded rod 203 passes through the T-shaped tube 201 and is rotatably connected to a sealing plug 204. The bottom of the sampling bucket 202 is threadedly connected to an adjusting rod 205. The top end of the adjusting rod 205 passes through the sampling bucket 202 and is rotatably connected to a piston disc 206. The bottom of the piston disc 206 is fixedly connected to an L-shaped tube 207 that passes through the piston disc 206. The L-shaped tube 207 vertically passes through the sampling bucket 202, and a valve is sleeved on the wall of the L-shaped tube 207.

[0031] The feed pipe 102 is used to add water-based fire extinguishing agent raw materials into the mixing tank 101. The servo motor 103 drives the stirring rod 105 to stir and mix the raw materials in the mixing tank 101. The mixed fire extinguishing agent liquid is discharged through the discharge pipe 104. The sealing plug 204 is used to seal the end of the T-shaped pipe 201 connected to the mixing tank 101 to prevent liquid from flowing into the T-shaped pipe 201. The height of the piston plate 206 in the sampling barrel 202 can be adjusted by rotating the adjusting rod 205. The piston plate 206 and the sampling barrel 202 are slidably sealed. By rotating the threaded rod 203, the sealing plug 204 is moved away from the mixing tank 101. Then the fire extinguishing agent liquid enters the sampling barrel 202 through the T-shaped pipe 201. Some of the fire extinguishing agent liquid will enter the L-shaped pipe 207.

[0032] Once the sampling container 202 is filled with extinguishing agent, the threaded rod 203 is rotated so that the sealing plug 204 squeezes the liquid remaining in the horizontal end of the T-tube 201 into the mixing tank 101. The sealing plug 204 then seals the end of the T-tube 201 again. At this time, some extinguishing agent liquid remains in both the vertical T-tube 201 and the L-shaped tube 207. The total amount of liquid in the two tubes plus the liquid in the sampling container 202 is the total amount of the sample. By opening the valve of the L-shaped tube 207, the sampled extinguishing agent can be discharged. By rotating the adjusting rod 205 to adjust the piston disc 206, the amount of extinguishing agent sample taken can be adjusted.

[0033] In addition, a limiting piece 208 is fixedly sleeved on the threaded rod 203, and the limiting piece 208 is in contact with the end of the T-tube 201.

[0034] The limiting piece 208 is used to limit the distance the threaded rod 203 can move. When the limiting piece 208 abuts against the bottom of the T-tube 201, the sealing plug 204 moves to the end of the T-tube 201 to ensure that the extinguishing agent liquid does not flow into the T-tube 201.

[0035] Furthermore, the top of the sampling barrel 202 is fixedly connected to an air inlet pipe 209, and a valve is fitted on the wall of the air inlet pipe 209. A transparent window 210 is embedded in the side wall of the sampling barrel 202, and a scale line is provided on one side of the transparent window 210. A sealing ring 211 is fixedly connected to the bottom of the piston disc 206, and the sealing ring 211 is in contact with the side wall of the inner cavity of the sampling barrel 202.

[0036] By closing the valve of the air inlet pipe 209, the extinguishing agent liquid can be prevented from flowing into the air inlet pipe 209. When using the L-shaped tube 207 to discharge the sample, by opening the valve of the air inlet pipe 209, air can be drawn into the sampling container 202 to balance the air pressure in the sampling container 202 and accelerate the discharge of liquid. The position of the piston plate 206 can be easily observed through the transparent window 210 and the scale line. The value of the scale line needs to be added to the residual amount in the T-tube 201 and the L-shaped tube 207. The height of the piston plate 206 can be precisely adjusted through the transparent window 210 to ensure the accuracy of the liquid volume. The sealing ring 211 is used to improve the sealing performance of the piston plate 206.

[0037] Furthermore, the top of the mixing tank 101 is threadedly connected to a rotating rod 212, the bottom end of which passes through the mixing tank 101 and is rotatably connected to a filter frame 213, which is in contact with the side wall of the inner cavity of the mixing tank 101.

[0038] There is a gap between the filter frame 213 and the stirring blade of the stirring rod 105. The side wall of the filter frame 213 is an arc surface that fits the stirring tank 101. The extinguishing agent will be mixed with some solid or powder raw materials. When only a pure liquid sample needs to be obtained, the extinguishing agent flowing into the T-tube 201 is filtered by the filter frame 213. When a non-pure liquid sample needs to be obtained, the rotating rod 212 is rotated to move the filter frame 213 above the T-tube 201.

[0039] During use, water-based fire extinguishing agent raw materials are added to the mixing tank 101 through the feed pipe 102. The servo motor 103 drives the stirring rod 105 to stir and mix the raw materials in the mixing tank 101. Then, the height of the piston plate 206 is adjusted by rotating the adjusting rod 205 through the transparent window 210. When a pure liquid sample is needed, the end of the T-tube 201 is blocked by the filter frame 213. When a non-pure liquid sample is needed, the rotating rod 212 is rotated to move the filter frame 213 above the T-tube 201. During sampling, the sealing plug 204 is moved away from the mixing tank 101 by rotating the threaded rod 203. Then, the fire extinguishing agent liquid enters the sampling bucket 202 through the T-tube 201.

[0040] Once the sampling container 202 is filled with extinguishing agent liquid, the threaded rod 203 is rotated so that the sealing plug 204 squeezes the liquid remaining in the transverse end of the T-tube 201 into the mixing tank 101. Then, the valves of the L-shaped tube 207 and the air inlet pipe 209 are opened to discharge the sampled extinguishing agent. After discharge, the valves of the L-shaped tube 207 and the air inlet pipe 209 are closed, and the mixed extinguishing agent liquid is discharged through the discharge pipe 104.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume, characterized in that, include: The production unit (100) includes a mixing tank (101) and a feed pipe (102) fixedly connected to the top of the mixing tank (101). A servo motor (103) is fixedly installed on the top of the mixing tank (101). A discharge pipe (104) is fixedly connected to the side wall of the mixing tank (101). Valves are fitted on the walls of both the feed pipe (102) and the discharge pipe (104). The output end of the servo motor (103) passes through the mixing tank (101) and is fixedly connected to a stirring rod (105). The sampling unit (200) includes a T-tube (201) fixedly connected to the side wall of the mixing tank (101). The bottom end of the T-tube (201) is fixedly connected to a sampling bucket (202). One end of the T-tube (201) is threadedly connected to a threaded rod (203). One end of the threaded rod (203) passes through the T-tube (201) and is rotatably connected to a sealing plug (204). The bottom of the sampling bucket (202) is threadedly connected to an adjusting rod (205). The top end of the adjusting rod (205) passes through the sampling bucket (202) and is rotatably connected to a piston disc (206). The bottom of the piston disc (206) is fixedly connected to an L-shaped tube (207) that passes through the piston disc (206). The L-shaped tube (207) vertically passes through the sampling bucket (202). A valve is sleeved on the wall of the L-shaped tube (207).

2. The sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume as described in claim 1, characterized in that: A limiting piece (208) is fixedly sleeved on the threaded rod (203), and the limiting piece (208) is in contact with the end of the T-tube (201).

3. The sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume according to claim 1, characterized in that: The top of the sampling bucket (202) is fixedly connected to an air inlet pipe (209), and a valve is fitted on the wall of the air inlet pipe (209).

4. The sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume according to claim 3, characterized in that: The sampling container (202) has a transparent window (210) embedded in its side wall, and a scale line is provided on one side of the transparent window (210).

5. A sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume as described in claim 4, characterized in that: A sealing ring (211) is fixedly connected to the bottom of the piston disc (206), and the sealing ring (211) is in contact with the side wall of the inner cavity of the sampling barrel (202).

6. The sampling device for the production of a water-based fire extinguishing agent with controllable liquid volume according to claim 1, characterized in that: The top of the mixing tank (101) is threaded with a rotating rod (212), the bottom end of which passes through the mixing tank (101) and is rotatably connected to a filter frame (213), the filter frame (213) being in contact with the side wall of the inner cavity of the mixing tank (101).

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