CN213895658U

CN213895658U - Emulsion explosive sensitization device

Info

Publication number: CN213895658U
Application number: CN202022754195.2U
Authority: CN
Inventors: 刘睿
Original assignee: Fujian Haixia Kehua Fuxing Construction Engineering Co ltd
Current assignee: Fujian Haixia Kehua Fuxing Construction Engineering Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-06
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to the technical field of explosive production equipment, in particular to an emulsion explosive sensitizing device, wherein a tank body is internally provided with a placing cavity and a mixing cavity, and the mixing cavity is positioned below the placing cavity; the feed inlet setting of inlet pipe is at the up end of the jar body, the feed inlet of inlet pipe communicates latex matrix feed inlet and sensitizer inlet respectively. The discharge port of the feed pipe is arranged on the upper end surface of the cavity of the mixing cavity; the middle part of the feeding pipe is obliquely and downwards arranged, and a rotary blade mechanism which is coaxial with the feeding pipe is also arranged in the middle part of the feeding pipe; the mixing chamber is internally provided with a stirring mechanism which comprises a motor and a stirring blade. The spiral direction of the spiral belt stirring sheet is opposite to that of the spiral thread stirring sheet, so that the up-and-down convection circulation stirring is formed, and the stirring efficiency can be accelerated.

Description

Emulsion explosive sensitization device

Technical Field

The utility model relates to an explosive production facility technical field especially relates to an emulsion explosive sensitization device.

Background

The field mixed loading emulsion matrix production ground station is characterized in that emulsion matrixes are produced in the ground station and stored in a matrix storage tank, then the emulsion matrixes are conveyed to an explosion operation platform by a field mixed loading emulsion explosive truck, and a sensitizer and a catalyst in the truck are uniformly mixed by a static mixer of the mixed loading truck to form emulsion explosives which are loaded in blast holes. Because the emulsion explosives are strictly forbidden to be mixed in the mixed loading ground station, if an enterprise wants to produce a small batch of mixed loading emulsion explosives for observing the storage period, the sensitive catalysis degree, the bubble dispersion degree or the performance of the detection explosives, the mixed loading vehicle is driven to a blasting operation field to mix the small batch of emulsion explosives, and then the civil blasting transport vehicle sends the mixed emulsion explosives to an enterprise laboratory for performance detection and observation. Has the following disadvantages: 1. after the sensitive catalysis is finished, the explosive is conveyed to a laboratory by a special vehicle, so that the production and transportation processes are increased, and the flow is complicated; 2. the mixed loading vehicle is used for batch production, and certain waste is caused when the mixed loading vehicle is used for detecting and observing the explosive property; 3. the transportation needs to use a civil explosive transportation special vehicle, and escorts are carried out by escorts, so that the production transportation amount is less, and the waste of personnel and vehicle resources is caused; 4. the mine road is rugged and bumpy, the mixed explosive is bumpy during the transfer process, the explosive performance cannot be well reserved, and the detection is not favorable.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an emulsion explosive sensitization device is provided, can realize the quick sensitization of emulsion explosive, is applicable to the small batch production in laboratory.

In order to solve the technical problem, the utility model discloses a technical scheme be: the emulsion explosive sensitization device comprises a tank body, a feeding pipe and a stirring mechanism;

a placing cavity and a mixing cavity are arranged in the tank body, and the mixing cavity is positioned below the placing cavity; the feeding hole of the feeding pipe is arranged on the upper end surface of the tank body, and the feeding hole of the feeding pipe is respectively communicated with the feeding hole of the emulsion matrix and the liquid inlet of the sensitizing agent;

the discharge port of the feed pipe is arranged on the upper end surface of the cavity of the mixing cavity; the middle part of the feeding pipe is obliquely and downwards arranged, and a rotary blade mechanism which is coaxial with the feeding pipe is also arranged in the middle part of the feeding pipe; a stirring mechanism is arranged in the mixing cavity and comprises a motor and stirring blades;

the motor sets up and is settling the intracavity just the drive end of motor stretches into the mixing chamber and is connected with the spindle drive who is located on the stirring leaf of mixing chamber, be equipped with on the main shaft along the screw thread stirring piece of the continuous spiral setting of main shaft one end to other end direction, still be equipped with three spiral shell area stirring piece along main shaft circumference evenly distributed on the main shaft, spiral shell area stirring piece one end and main shaft fixed connection, the spiral shell area stirring piece other end be located the screw thread stirring piece outside and with the screw thread stirring piece between have the interval, spiral shell area stirring piece is opposite with the screw thread stirring piece's spiral direction.

Furthermore, the twisting angle of the spiral ribbon stirring piece relative to the axial direction is larger than the twisting angle of the spiral ribbon stirring piece along the axial direction.

Further, the blade rotating mechanism is a spiral blade surface mechanism.

Further, the inclination angle of the middle part of the feeding pipe is 45 degrees.

Furthermore, the circulating cooling device also comprises a circulating cooling pipe, and the circulating cooling pipe is surrounded on the outer side wall of the tank body.

The beneficial effects of the utility model reside in that: the utility model provides an emulsion explosive sensitization device, the middle part slope of inlet pipe sets up downwards just still be equipped with the rotating vane mechanism with the coaxial setting of inlet pipe in the middle part of inlet pipe, pour the emulsion matrix of explosive into from the emulsion matrix feed inlet, add the sensitizing agent toward the sensitizing agent inlet simultaneously, when emulsion matrix and sensitizing agent pass through the middle part of inlet pipe jointly, emulsion matrix and sensitizing agent and rotating vane mechanism collision contact make emulsion matrix and liquid sensitizing agent can obtain preliminary water emulsion and mix, simultaneously, emulsion matrix and sensitizing agent after preliminary mixing are carried out the secondary stirring to emulsion matrix and sensitizing agent via the agitator in the mixing chamber under the blade guide of rotating vane mechanism, can improve emulsion explosive's sensitization efficiency, simultaneously, because the emulsion matrix that gets into in the mixing chamber has formed preliminary water emulsion mixing state with the sensitizing agent, thereby can suitably reduce the stirring rate of agitator, and further reduce motor power, reduce the volume of equipment, make the device be applicable to in the laboratory.

Drawings

FIG. 1 is a schematic structural view of an emulsion explosive sensitizing device according to the present invention;

fig. 2 is a schematic structural diagram of a stirring mechanism of the emulsion explosive sensitizing device according to the present invention;

description of reference numerals:

1. a tank body; 11. a placement cavity; 12. a mixing chamber;

2. a feed pipe; 21. a latex matrix feed port; 22. a sensitizer inlet;

3. a stirring mechanism; 31. a motor; 32. stirring blades; 321. a threaded stirring sheet; 322. a circular ring bottom plate; 323. a helical ribbon stirring sheet;

4. a vane rotating mechanism.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 2, the present invention provides an emulsion explosive sensitizing device, which comprises a tank, a feeding pipe and a stirring mechanism;

From the above description, the beneficial effects of the present invention are: the middle part slope of inlet pipe sets up downwards and still be equipped with the rotating vane mechanism with the coaxial setting of inlet pipe in the middle part of inlet pipe, pour the latex matrix of explosive into from latex matrix feed inlet, add the sensitizing agent toward the sensitizing agent inlet simultaneously, when latex matrix and sensitizing agent pass through the middle part of inlet pipe jointly, latex matrix and sensitizing agent and rotating vane mechanism collision contact make latex matrix and liquid sensitizing agent can obtain preliminary emulsion and mix, simultaneously, latex matrix and sensitizing agent after preliminary mixing are carried out the secondary stirring to latex matrix and sensitizing agent via the agitator in the mixing chamber by the water conservancy diversion under the blade guide of rotating vane mechanism, can improve emulsion explosive's sensitization efficiency, simultaneously, because the matrix that gets into in the mixing chamber forms preliminary emulsion mixing state with the sensitizing agent, thereby can suitably reduce the stirring rate of agitator, and further reduce motor power, reduce the volume of equipment, make the device be applicable to in the laboratory.

From the above description, the helical ribbon stirring piece is close to the side wall of the mixing cavity, and the colloidal slurry is stirred along the peripheral edge of the mixing cavity, so that the colloidal slurry spirally rotates upwards along the peripheral edge of the mixing cavity.

Further, the blade rotating mechanism is of a spiral blade surface structure.

Known from the above-mentioned description, it is spiral blade face structure to revolve blade mechanism, and spiral blade face structure is close to feed inlet one end to the middle part position of inlet pipe along the middle part position of inlet pipe and is close to discharge gate one end and be the spiral and set up downwards to play the effect of water conservancy diversion to mixing chamber to latex matrix and sensitizer.

From the above description, when the inclination in the middle part of inlet pipe was 45, the emulsion matrix can form the collision and mix under the gravity strikes with the sensitizing agent when the middle part of inlet pipe, and simultaneously, the relative vertical direction is the middle part of the inlet pipe that 45 slopes to set up and can form certain cushioning effect, avoids forming violent impact and causes the performance influence to emulsion explosive. Meanwhile, the middle part of the feeding pipe which is obliquely arranged at 45 degrees can form rapid flow guide under the combined action of the rotary blade mechanism, so that the process of the emulsion explosive entering the mixing cavity is accelerated.

From the above description, the circulation condenser pipe is connected with the condensing mechanism of peripheral hardware, and the circulation condenser pipe encircles and sets up for jar body heat dissipation on the lateral wall of jar body to in time dispel the heat because the heat that the stirring produced in with the mixing chamber, in order to realize the temperature control effect.

Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: the emulsion explosive sensitization device comprises a tank body 1, a feeding pipe 2 and a stirring mechanism 3;

a placing cavity 11 and a mixing cavity 12 are arranged in the tank body, and the mixing cavity is positioned below the placing cavity; the feed inlet setting of inlet pipe is at the up end of the jar body, the feed inlet of inlet pipe communicates latex matrix feed inlet 21 and sensitizer inlet 22 respectively.

The discharge port of the feed pipe is arranged on the upper end surface of the cavity of the mixing cavity; the relative vertical direction downward sloping 45 settings in middle part of inlet pipe, just still be equipped with rotary blade mechanism 4 in the middle part of inlet pipe, rotary blade mechanism is spiral blade face structure, and spiral blade face structure is close to feed inlet one end to the middle part position of inlet pipe along the middle part position of inlet pipe and is close to discharge gate one end and be the spiral and set up downwards, and the lower terminal surface of spiral blade face structure supports to lean on the lower lateral wall setting with the middle part of inlet pipe. When the emulsion matrix and the sensitizing agent of explosive fed, simultaneously through the middle part of inlet pipe, the collision contact at the middle part of inlet pipe is received with rotary vane mechanism to emulsion matrix and sensitizing agent for emulsion matrix can obtain preliminary water emulsion with liquid sensitizing agent and mix, forms the mixed effect of collision for the first time, obtains the colloidal slurry that water emulsion fuses. And meanwhile, the spiral blade surface of the rotary blade mechanism can help the colloidal slurry to be guided into the mixing cavity.

Be equipped with rabbling mechanism in the mixing chamber, rabbling mechanism includes motor 31 and stirring leaf 32, the motor sets up just in settling the intracavity the drive end of motor stretches into the mixing chamber and is connected with the main shaft transmission that is located on the stirring leaf of mixing intracavity. The motor is a variable frequency motor with model number YP2-160M2-2 and power of 15 KW. Realize the time of latex matrix sensitization for 15 minutes under the combined action of above-mentioned motor and this device, obtain after experimental, if adopt traditional agitator to stir and realize that the sensitization of latex matrix is accomplished then need the same model in 15 minutes, the power is 90 KW's motor, the motor collocation traditional agitator that will same model and power be 15KW uses, the time of realizing the sensitization of latex matrix is 30 minutes, so this device not only obtains greatly improving on stirring efficiency, can realize equipment miniaturization simultaneously, make this device more be applicable to in the laboratory.

The main shaft of stirring leaf is equipped with along the continuous spiral screw thread stirring piece 321 that sets up of main shaft one end to other end direction, and the tip that the motor was kept away from to the main shaft is connected with the center of the connecting plate of a rectangle, and the connecting plate both ends are connected with the inside wall of the ring bottom plate 322 that the diameter is 12mm simultaneously. Still be equipped with three spiral shell area stirring piece 323 along main shaft circumference evenly distributed on the main shaft, spiral shell area stirring piece one end and main shaft fixed connection, the spiral shell area stirring piece other end be located the screw thread stirring piece outside and with the screw thread stirring piece between have the interval, the other end of specific screw thread stirring piece and the lateral wall fixed connection of ring bottom plate, and the interval between the other end of screw thread stirring piece and the screw thread stirring piece is 5 mm. Spiral ribbon stirring piece is opposite with the spiral direction of screw thread stirring piece, and is concrete, the spiral direction of screw thread stirring piece is forward, and the spiral direction of screw ribbon stirring piece is reverse, and when motor drive stirring leaf stirring, the emulsion matrix and the sensitizer after the emulsion mixes carry out stirring mixing action for the second time in mixing the intracavity.

In this embodiment, the side wall that the spiral shell area stirring piece is close to the hybrid chamber, stirs colloidal thick liquid along the hybrid chamber week along making colloidal thick liquid along the upward spiral rotation of hybrid chamber week edge, because the stirring direction of screw thread stirring piece is opposite, collects the colloidal thick liquid at the center during the stirring and receives the spiral downward rotatory stirring of screw thread stirring piece effect, forms upper and lower convection current circulation, accelerates the sensitization process of latex base.

In this embodiment, still around being equipped with the circulation condenser pipe on the lateral wall of the jar body, the one end and the external condensing engine that is located the jar body of circulation condenser pipe are connected. The circulation condenser pipe encircles and sets up for jar body heat dissipation on the lateral wall of jar body to in time dispel the heat because the heat that the stirring produced in with the mixing chamber, in order to realize the control by temperature change effect.

To sum up, the utility model provides a pair of emulsion explosive sensitization device, the middle part of inlet pipe sets up just downwards for the slope still be equipped with in the middle part of inlet pipe with the coaxial blade mechanism that revolves of setting of inlet pipe, when the emulsion matrix and the sensitizing agent concurrent feed of explosive, during the middle part of inlet pipe, emulsion matrix and sensitizing agent and the contact of revolving the blade mechanism collision make emulsion matrix and liquid sensitizing agent can obtain preliminary water emulsion and mix, and emulsion matrix and sensitizing agent after preliminary mixing are by the water conservancy diversion to mixing the intracavity under the blade guide of revolving the blade mechanism simultaneously. The spiral direction of the spiral belt stirring sheet is opposite to that of the spiral thread stirring sheet, so that the up-and-down convection circulation stirring is formed, and the stirring efficiency can be accelerated.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. An emulsion explosive sensitization device is characterized by comprising a tank body, a feeding pipe and a stirring mechanism;

2. The emulsion explosive sensitizing device of claim 1, wherein the helical ribbon stirring piece is twisted with respect to the axial direction by a larger angle than the helical ribbon stirring piece.

3. The emulsion explosive sensitization device of claim 1, wherein the rotary vane mechanism is a helical vane mechanism.

4. An emulsion explosive sensitiser according to claim 1 wherein the angle of inclination of the central portion of the feed tube is 45 °.

5. The emulsion explosive sensitizing device of claim 1, further comprising a circulation condenser pipe, wherein the circulation condenser pipe surrounds the outer side wall of the tank body.