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CN-121972039-A - Foam proportion mixing arrangement for fire control

CN121972039ACN 121972039 ACN121972039 ACN 121972039ACN-121972039-A

Abstract

The invention discloses a fire-fighting foam proportion mixing device which comprises a mixing tank, a stirring mechanism, a rotary driving mechanism, a movable auxiliary stirring mechanism, a movable driving mechanism, a viscosity sensor and a numerical control system, wherein the mixing tank is provided with a liquid storage cavity and a mixed liquid outlet, the stirring mechanism is arranged in the liquid storage cavity and pivoted to the mixing tank, the stirring mechanism is provided with a fixed stirring structure, the rotary driving mechanism is arranged on the mixing tank and is connected with the stirring mechanism, the movable auxiliary stirring mechanism is arranged on the stirring mechanism, the movable driving mechanism is arranged on the stirring mechanism and is connected with the movable auxiliary stirring mechanism, the viscosity sensor is arranged at the mixed liquid outlet, the numerical control system is electrically connected with the rotary driving mechanism, the movable driving mechanism and the viscosity sensor, and the numerical control system is used for controlling the rotary driving mechanism and the movable driving mechanism to operate according to viscosity data collected by the viscosity sensor so as to change the size of a stirring area according to the viscosity of mixed liquid, and thus the mixing effect is improved.

Inventors

  • HAN YUSHEN
  • LIU CONG
  • ZHANG JIAQI
  • WANG GUODONG

Assignees

  • 三门峡市陕州区消防救援大队(三门峡市陕州区消防救援局)

Dates

Publication Date
20260505
Application Date
20260313

Claims (10)

  1. 1. A fire foam proportioning device, comprising: The mixing tank (1), wherein the mixing tank (1) is provided with a mixed liquid outlet (12) and a liquid storage cavity (11), and two ends of the mixed liquid outlet (12) are respectively communicated with the liquid storage cavity (11) and the external environment; The stirring mechanism (2) is positioned in the liquid storage cavity (11), and the stirring mechanism (2) is pivoted with the mixing tank (1), and the stirring mechanism (2) is provided with a fixed stirring structure (21); the rotary driving mechanism (3), the rotary driving mechanism (3) is arranged on the mixing tank (1), and the output end of the rotary driving mechanism (3) is in driving connection with the stirring mechanism (2); The movable auxiliary stirring structure (4) is movably arranged on the stirring mechanism (2), and the movable auxiliary stirring structure (4) and the fixed stirring structure (21) form a stirring area; The movable driving mechanism (5), the movable driving mechanism (5) is arranged on the stirring mechanism (2), the output end of the movable driving mechanism (5) is in driving connection with the movable auxiliary stirring structure (4), and the movable driving mechanism (5) is used for driving the movable auxiliary stirring structure (4) to move so as to adjust the size of the stirring area; a viscosity sensor (6), wherein the viscosity sensor (6) is arranged at the mixed liquid outlet (12), and the viscosity sensor (6) is used for detecting the viscosity of the mixed liquid; The numerical control system is electrically connected with the rotary driving mechanism (3), the movable driving mechanism (5) and the viscosity sensor (6), and is used for controlling the rotary driving mechanism (3) and the movable driving mechanism (5) to operate according to the viscosity data of the viscosity sensor (6) so as to change the size of the stirring area according to the viscosity of the mixed solution.
  2. 2. The fire-fighting foam proportioning device according to claim 1, wherein the mixing tank (1) comprises a first tank body (13) and a second tank body (14) which are sequentially connected, the first tank body (13) is provided with a liquid inlet (131), the second tank body (14) is provided with a gas inlet (141), a foam liquid inlet (142) and a mixed liquid outlet (12), the first tank body (13) is detachably mounted on the second tank body (14) so as to jointly enclose the liquid storage cavity (11), the fire-fighting foam proportioning device further comprises an infusion mechanism (7), a gas conveying mechanism (8) and a foam liquid conveying mechanism (9), the infusion mechanism (7) is detachably mounted on the first tank body (13), the output end of the infusion mechanism (7) is communicated with the liquid inlet (131), the foam mechanism (8) is detachably mounted on the second tank body (14), the output end of the first tank body (13) is communicated with the gas inlet of the foam mechanism (8) and the foam liquid conveying mechanism (9) is detachably mounted on the second tank body (14).
  3. 3. The fire-fighting foam proportional mixing device according to claim 2, wherein the stirring mechanism (2) comprises a transmission main shaft (22), opposite ends of the transmission main shaft (22) are respectively pivoted to the first tank body (13) and the second tank body (14), the transmission main shaft (22) is provided with the fixed stirring structure (21), the fixed stirring structure (21) is supported by the transmission main shaft (22) to rotate along with the transmission main shaft (22), the rotary driving mechanism (3) is mounted on the second tank body (14), the rotary driving mechanism (3) is connected with one end, close to the second tank body (14), of the transmission main shaft (22), the movable driving mechanism (5) is mounted on one end of the transmission main shaft (22), and the movable auxiliary stirring structure (4) is movably mounted on the transmission main shaft (22).
  4. 4. A fire-fighting foam proportioning device according to claim 3, wherein one of the transmission main shaft (22) and the movable auxiliary stirring structure (4) is provided with an annular moving structure (41), the other is provided with an annular guiding structure (221), the annular moving structure (41) is slidably nested in the annular guiding structure (221), the transmission main shaft (22) is provided with a avoiding structure (222), the movable auxiliary stirring structure (4) is provided with a driven part (42), the driven part (42) is arranged corresponding to the avoiding structure (222), and the output end of the movable driving mechanism (5) penetrates through the avoiding structure (222) and is in driving connection with the driven part (42).
  5. 5. The fire-fighting foam proportioning device as set forth in claim 4, wherein the avoidance structure (222) is an arc-shaped avoidance groove, the driven part (42) is a mounting hole, and the movable driving mechanism (5) includes: The inserting pile (51) is pivoted to one end of the transmission main shaft (22); one end of the transmission rod (52) is arranged on the inserting pile (51), and the other end of the transmission rod (52) sequentially penetrates through the arc-shaped avoiding groove and the mounting hole; the transmission rod (52) is used for enabling the mounting hole to move along the extending track of the arc avoidance groove; The rotary driving mechanism (53), the rotary driving mechanism (53) is installed on the transmission main shaft (22), and the rotary driving mechanism (53) is in driving connection with the inserting pile (51); The two ends of the elastic reset piece (54) are respectively abutted against the outer walls of the rotary driving mechanism (53) and the transmission main shaft (22), so that the rotary driving mechanism (53) has a movement trend away from the transmission main shaft (22); the fixing plate (55) is detachably arranged at one end, away from the plug-in pile (51), of the transmission rod (52), and the fixing plate (55) is used for fixing the transmission rod (52).
  6. 6. The fire-fighting foam proportional mixing device according to claim 5, wherein a plurality of fixed stirring structures (21) are arranged, a plurality of fixed stirring structures (21) are distributed at intervals along the length direction of the transmission main shaft (22), a plurality of movable auxiliary stirring structures (4) are arranged, a plurality of movable auxiliary stirring structures (4) and a plurality of fixed stirring structures (21) are arranged in a staggered manner along the length direction of the transmission main shaft (22), a plurality of arc-shaped avoiding grooves are arranged, a plurality of arc-shaped avoiding grooves are distributed at intervals along the circumferential direction of the transmission main shaft (22), a plurality of mounting holes are arranged, a plurality of mounting holes are distributed at intervals along the circumferential direction of the transmission main shaft (22), each mounting hole is arranged in one-to-one correspondence with each arc-shaped avoiding groove, a plurality of transmission rods (52) are distributed at intervals along the circumferential direction of the transmission main shaft (22), and each transmission rod (52) is respectively corresponding to each arc-shaped avoiding groove in the arc-shaped plugging groove.
  7. 7. The fire-fighting foam proportioning device according to claim 2, wherein the first tank body (13) is provided with an annular mounting groove (132), the annular mounting groove (132) extends along the circumferential direction of the first tank body (13), the liquid inlets (131) are arranged on the bottom wall of the annular mounting groove (132), the liquid inlets (131) are provided with a plurality of liquid inlets (131) which are distributed at intervals along the circumferential direction of the first tank body (13), the infusion mechanism (7) is mounted in the annular mounting groove (132), and the output ends of the infusion mechanism (7) are respectively communicated with the liquid inlets (131).
  8. 8. The fire-fighting foam proportional mixing device according to claim 7, wherein a limiting groove (133) is formed in the groove side wall of the annular mounting groove (132), the infusion mechanism (7) comprises an embedded infusion device (71), a pressurizing pump and a liquid storage tank which are sequentially communicated, the embedded infusion device (71) is provided with a limited ring (711), a liquid nozzle (712) and a liquid inlet (713), the limited ring (711) is nested in the limiting groove (133), the liquid nozzle (712) is provided with a plurality of liquid nozzles (712) which are inserted into the corresponding liquid inlets (131), the liquid inlet (713) is communicated with the pressurizing pump, and the pressurizing pump and the liquid storage tank are both installed in the first tank body (13).
  9. 9. The fire-fighting foam proportioning device according to claim 2, wherein the second tank body (14) comprises a tank main body (143) and a pipeline fixing mechanism (146), the tank main body (143) is provided with a first assembling structure (1431), a second assembling structure (1432) and a pipeline outlet (1433), the gas inlet (141) is arranged on the first assembling structure (1431), the output end of the gas transmission mechanism (8) is detachably arranged on the first assembling structure (1431), the foam liquid inlet (142) is arranged on the second assembling structure (1432), the output end of the foam liquid conveying mechanism (9) is detachably arranged on the second assembling structure (1432), the pipeline fixing mechanism (146) is slidably inserted into the pipeline outlet (1433) so as to be capable of closing or opening the pipeline outlet (1433), the pipeline fixing mechanism (146) is provided with a pipeline accommodating hole (1), and the gas transmission mechanism (8) and the foam liquid conveying mechanism (9) are arranged on the pipeline outlet (1463) and are arranged on the pipeline outlet (1461).
  10. 10. The fire-fighting foam proportioning device according to claim 9, wherein the first assembling structure (1431) and the second assembling structure (1432) are both assembling grooves, the second tank (14) further comprises a first sealing element (144) and a second sealing element (145), the first sealing element (144) is inserted into the first assembling structure (1431), the first sealing element (144) is used for sealing a gap between an output end of the gas transmission mechanism (8) and the first assembling structure (1431), the second sealing element (145) is inserted into the second assembling structure (1432), and the second sealing element (145) is used for sealing a gap between an output end of the foam liquid conveying mechanism (9) and the second assembling structure (1432).

Description

Foam proportion mixing arrangement for fire control Technical Field The invention relates to the technical field of fire-fighting equipment, in particular to a foam proportion mixing device for fire-fighting. Background Fire-fighting foam is a highly effective fire extinguishing agent specially used for extinguishing flammable liquid fires (such as oils, alcohols, ethers, etc.). The foam concentrate is essentially a bubble group formed by mixing foam concentrate, water and air, and can be understood as a special medium capable of covering, cooling and isolating, and can float on the oil surface to form a continuous foam layer to extinguish flame unlike water which can sink under the oil. The stirrer of the proportional mixing device for the fire-fighting foam is fixedly arranged, and a user is difficult to adjust the stirring area of the stirrer according to the viscosity of the finished product of the fire-fighting foam in the mixing process, so that the mixing effect of the fire-fighting foam is not ideal. Disclosure of Invention In order to overcome the defects of the prior art, the invention aims to provide a fire-fighting foam proportion mixing device which can improve the mixing effect of fire-fighting foam. The invention adopts the following technical scheme that the foam proportion mixing device for fire control comprises a mixing tank, a stirring mechanism, a rotary driving mechanism, a movable auxiliary stirring structure, a movable driving mechanism, a viscosity sensor and a numerical control system; the mixing tank is provided with a liquid storage cavity and a mixed liquid outlet, and two ends of the mixed liquid outlet are respectively communicated with the liquid storage cavity and the external environment; The stirring mechanism is positioned in the liquid storage cavity and pivoted with the mixing tank, and is provided with a fixed stirring structure; The rotary driving mechanism is arranged on the outer wall of the mixing tank, and the output end of the rotary driving mechanism is in driving connection with the stirring mechanism; the movable auxiliary stirring structure is movably arranged on the stirring mechanism and is used for forming an adjustable stirring area in cooperation with the fixed stirring structure; The movable driving mechanism is arranged on the stirring mechanism, the output end of the movable driving mechanism is in driving connection with the movable auxiliary stirring structure, and the movable driving mechanism is used for driving the movable auxiliary stirring structure to move so as to adjust the size of the stirring area; The viscosity sensor is arranged at the mixed liquid outlet and is used for detecting the viscosity of the mixed liquid; The numerical control system is used for controlling the operation of the rotary driving mechanism and the movable driving mechanism according to the viscosity data of the viscosity sensor so as to change the rotary speed of the stirring mechanism and change the size of the stirring area according to the viscosity of the mixed liquid. The mixing tank comprises a first tank body and a second tank body which are sequentially connected, wherein the first tank body is provided with a liquid inlet, the second tank body is provided with a gas inlet, a foam liquid inlet and a mixed liquid outlet, the first tank body is detachably arranged on the second tank body so as to jointly enclose the liquid storage cavity, the fire-fighting foam proportional mixing device further comprises an infusion mechanism, a gas transmission mechanism and a foam liquid conveying mechanism, the infusion mechanism is detachably arranged on the first tank body, the output end of the infusion mechanism is communicated with the liquid inlet, the gas transmission mechanism is detachably arranged on the second tank body, the output end of the gas transmission mechanism is communicated with the gas inlet, the foam liquid conveying mechanism is detachably arranged on the second tank body, and the output end of the foam liquid conveying mechanism is communicated with the foam liquid inlet. The stirring mechanism comprises a transmission main shaft, opposite ends of the transmission main shaft are respectively pivoted to the first tank body and the second tank body, the transmission main shaft is provided with a fixed stirring structure, the fixed stirring structure is supported by the transmission main shaft to rotate along with the transmission main shaft, the rotary driving mechanism is arranged on the second tank body and is in driving connection with one end, close to the second tank body, of the transmission main shaft, the movable driving mechanism is arranged at one end of the transmission main shaft, and the movable auxiliary stirring structure is movably arranged on the transmission main shaft. Further, one of the transmission main shaft and the movable auxiliary stirring structure is provided with an annular moving structure, the other is provided with a