CN108043305B - Non-slurry mixing preparation method and system for solid propellant slurry - Google Patents
Non-slurry mixing preparation method and system for solid propellant slurry Download PDFInfo
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- CN108043305B CN108043305B CN201810004217.8A CN201810004217A CN108043305B CN 108043305 B CN108043305 B CN 108043305B CN 201810004217 A CN201810004217 A CN 201810004217A CN 108043305 B CN108043305 B CN 108043305B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2213—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/42—Clamping or holding arrangements for mounting receptacles on mixing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/503—Mixing fuel or propellant and water or gas, e.g. air, or other fluids, e.g. liquid additives to obtain fluid fuel
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Abstract
The application provides a paddle-free mixing preparation method and system for solid propellant slurry, which comprises the following steps: putting the materials to be mixed into a mixing container according to the preset mass; the mixing container is fastened with the acoustic resonance mixer; heating the mixing container and the material to be mixed; starting the acoustic resonance mixer after the temperature of the materials reaches a preset temperature threshold value, and starting material mixing; stopping the acoustic resonance mixer after the preset first mixing time is reached; and vacuumizing the mixing container, continuously mixing until the mixing time reaches a preset second mixing time, restoring the pressure in the mixing container to normal atmospheric pressure, and stopping the acoustic resonance mixer to obtain the solid propellant slurry. This application mixing efficiency is high, need not online clearance, and is clean easy.
Description
Technical Field
The application relates to the technical field of material mixing, in particular to a mixing preparation method and system of a solid propellant.
Background
The development requirements of large-batch, low-cost and wide-environment-adaptive missile weapons are met, and high-solid-content, nano-material and high-performance energetic material sensitive to mechanical sensitivity are introduced into the formula of the solid propellant; the characteristics of high intensity and quick success of modern war provide requirements for the production of missile weapons to realize low-cost and large-batch manufacture in a short time; wherein, the solid propellant slurry mixing procedure is a core link in the preparation process.
The existing solid propellant mixing usually adopts a paddle type vertical mixer for mixing, the mixing time is 2-4 hours or more, the efficiency is low, the dangerous operation time is long, and the processing cost is high. The high risk and high production cost of the production process limits the development and application range of the solid propellant to a certain extent.
Disclosure of Invention
The embodiment of the application provides a non-slurry mixing preparation method and a non-slurry mixing preparation system for solid propellant slurry, and aims to solve the technical problems of high safety risk, low mixing efficiency and high production cost of paddle shearing materials in the prior art.
In a first aspect, the present application provides a method for preparing a solid propellant slurry without slurry mixing, comprising the following steps:
step 1, putting materials to be mixed into a mixing container according to preset mass; the mixing container is fastened with the acoustic resonance mixer;
and 5, vacuumizing the mixing container, continuously mixing until the mixing time reaches a preset second mixing time, restoring the pressure in the mixing container to normal atmospheric pressure, and stopping the acoustic resonance mixer to obtain the solid propellant slurry.
In a second aspect, embodiments of the present application provide a system for preparing a slurry-free mixture of solid propellant slurries, comprising: the device comprises a mixing container (2), an acoustic resonance mixer (1), temperature control equipment and vacuumizing equipment, wherein the mixing container is fastened with the acoustic resonance mixer and is respectively connected with the temperature control equipment and the vacuumizing equipment;
after the materials to be mixed are filled into the mixing container, the temperature control equipment heats the materials to be mixed; when the temperature of the materials to be mixed reaches a preset temperature threshold value, the acoustic resonance mixer starts to vibrate and stops after a preset first mixing time is reached; the vacuumizing equipment is used for vacuumizing the mixing container, the acoustic resonance mixer continuously vibrates to the preset second mixing time, the vacuumizing equipment is used for recovering the pressure in the mixing container to the normal atmospheric pressure, and the acoustic resonance mixer stops vibrating.
The beneficial effects are as follows:
according to the mixing preparation method and the mixing preparation system of the solid propellant slurry, the acoustic resonance mixer is adopted for resonance mixing, the mixing efficiency is high, the energy-saving effect is obvious, all materials in the mixing container are fully mixed by the resonance mixing technology, and the materials are uniformly mixed; in addition, this application embodiment is when mixing puts the material in mixing container, mixes the machine with acoustic resonance and fixes mixing container, mix after accomplishing take off mixing container can, mixing container can quick replacement, need not online clearance, clean easy.
Drawings
Specific embodiments of the present application will be described below with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic flow diagram of a paddle-less mixing method for preparing a solid propellant slurry according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing the first structural view of the acoustic resonance mixer in the embodiment of the present application;
FIG. 3 shows a second schematic structural diagram of an acoustic resonance mixer in an embodiment of the present application;
FIG. 4 shows a schematic diagram III of the structure of an acoustic resonance mixer in an embodiment of the present application;
FIG. 5 shows a fourth schematic structural view of an acoustic resonance mixer in an embodiment of the present application;
FIG. 6 shows a schematic structural diagram of an acoustic resonance mixer in an embodiment of the present application;
FIG. 7 shows a schematic diagram of the apparatus used in the paddle-less mixing preparation of solid propellant slurries in the examples of the present application;
FIG. 8 shows a SEM scanning electron microscope of a tensile section of a solid propellant slurry prepared according to the invention after curing;
1. an acoustic resonance mixer; 2. a mixing vessel; 3. mixing materials to be mixed; 4. a container fastening device;
101. a frame lower plate; 102. a frame column; 103. a frame upper plate;
201. a second spring; 202. a fixing plate;
301. a first spring; 302. a reaction upper plate; 303. a reaction upright; 304. a reaction lower plate;
402. a load upper plate; 403. a fourth spring; 404. a spring guide post; 405. a load connecting rod; 406. a third spring; 407. the lower plate is loaded.
Detailed Description
In order to make the technical solutions and advantages of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments in the present description may be combined with each other without conflict.
Aiming at the defects of the prior art, the embodiment of the application provides a paddle-free efficient resonance mixing preparation method of solid propellant slurry, which realizes efficient mixing of the solid propellant, and provides a novel preparation method with safety, short mixing time and low production cost for efficient preparation of the solid propellant, and the following description is provided.
Example 1
Fig. 1 illustrates a paddle-less mixing method for preparing solid propellant slurries in the embodiments of the present application, which, as shown, may include the following steps:
102, heating the material to be mixed;
103, when the temperature of the materials to be mixed reaches a preset temperature threshold value, starting the acoustic resonance mixer, and starting material mixing according to preset parameters;
104, stopping the acoustic resonance mixer after the preset first mixing time is reached;
and 105, vacuumizing the mixing container, continuously mixing until the mixing time reaches a preset second mixing time, restoring the pressure in the mixing container to normal atmospheric pressure, and stopping the acoustic resonance mixer to obtain the solid propellant slurry.
In specific implementation, the material to be mixed is heated by heating the mixing container.
According to the mixing preparation method of the solid propellant slurry, the acoustic resonance mixer is adopted for resonance mixing, the mixing efficiency is high, the energy-saving effect is obvious, all materials in the mixing container are fully mixed by the resonance mixing technology, and the materials are uniformly mixed; in addition, this application embodiment is when mixing puts the material in mixing container, mixes the machine with acoustic resonance and fixes mixing container, mix after accomplishing take off mixing container can, mixing container can quick replacement, need not online clearance, clean easy.
In the implementation, in the material mixing process, the material to be mixed can be added into the mixing container for multiple times according to the preset process.
In a specific implementation, after step 104 and before step 105, the method may further include:
judging whether materials need to be added or not;
if yes, adding the materials to be mixed to be added into the mixing container, and returning to the step 2;
if not, executing the step 5.
In the embodiment of the application, the materials are not likely to be put into the mixing container together according to different process requirements in the material mixing process, so that the embodiment of the application provides that the materials to be mixed can be added into the mixing container for multiple times in the material mixing process, and the actual process requirements are met better.
The embodiment of the application can add the condition of waiting to mix the material many times, can add at every turn and wait to mix the material after, wait to mix the material at present stage and reach the preset technological requirement after, can open the mixing vessel and add the material of waiting to mix that will add next time, continue to heat, mix steps such as, analogize to this, accomplish the addition of all waiting to mix the material according to the technological requirement.
In the implementation, the cumulative mixing time for adding the materials to be mixed can be 5min to 25 min.
In the embodiment of the application, the mixing time of the materials to be mixed added each time can be the same or different, the heating temperature can be the same or different, and the mixing time can be the same or different. Generally speaking, the cumulative mixing time of the materials to be mixed which are added for multiple times can be between 5min and 25min, and the technicians in the field can set the time according to the actual process requirements.
In an implementation, the acoustic resonance mixer vibrates according to preset parameters in the material mixing process, and the preset parameters may include: resonance acceleration, temperature, vacuum and mixing time.
In practice, the value of said resonant acceleration may be determined according to the damping characteristics, the mass and the volume inside the mixing container of the material to be mixed.
During specific implementation, when the acoustic resonance mixer is used for mixing, the determination of the acceleration value can be related to the influence factors such as the damping characteristic of the materials to be mixed, the mass of the materials to be mixed, the filling volume percentage of the materials to be mixed in the mixing container and the like.
In an embodiment, the resonant acceleration may be 0 to 110 g.
In practice, the temperature may be from 25 ℃ to 125 ℃.
In particular implementations, the temperature may be 40 ℃.
In practice, the degree of vacuum may be 1KPa to 20 KPa.
In practice, the mixing time may be 5min to 50 min.
In practice, the materials to be mixed may include one or more of the following:
adhesive, oxidant, high-energy combustion agent, curing agent, plasticizer, burning rate catalyst, coupling agent, anti-aging agent, bonding agent and the like.
In specific implementation, taking a three-component solid propellant as an example, the material addition sequence may be: the first material comprises adhesive, anti-aging agent, bonding agent, speed reducing agent and high-energy combustion agent, the second material comprises 20-80% of oxidant, the rest oxidant is added for the third time, and the curing agent is added for the last time.
In the implementation, the mass percentage content of the adhesive and the curing agent can be 8-18%, the mass percentage content of the plasticizer can be 0.5-5%, the mass percentage content of the oxidant can be 65-80%, the mass percentage content of the combustion agent can be 8-20%, and the mass percentage content of the regulator can be 0.05-1.5%.
In practice, the adhesive may be HTPB or NEPE, and the curing agent may be one or a combination of TDI, IPDI, MDI, HDI, DDI, or N100; the plasticizer can be dioctyl sebacate DOS or dioctyl adipate DOA; the regulator can be a compound containing a ferrocene structure or an alkaline earth carbonate; the combustion agent may be aluminum powder.
In practice, the modifier may be specifically isobutyl ferrocene, octyl ferrocene, barium carbonate or strontium carbonate.
In practice, the order of adding the materials to be mixed to the mixing vessel may be:
adding the adhesive, the burning agent, the plasticizer and the regulator for the first time, and returning to the step 2;
adding the oxidant for the second time, and returning to the step 2;
adding the curing agent for the third time, and returning to the step 2.
The first mixing time after the adhesive, the combustion agent, the plasticizer and the regulator are added can be 1-3 min, the first mixing time after the oxidant is added can be 5-15 min, and the first mixing time after the curing agent is added can be 5-15 min.
In practice, the mixing vessel may be an engine housing.
The embodiment of this application mixing container can be engine case, realizes that the material directly mixes in the engine, need not traditional processes such as follow-up pouring, reduces solid propellant manufacturing process, and the product development is efficient.
Example 2
Based on the same inventive concept, the embodiment of the present application provides a slurry-free mixing preparation system for solid propellant slurry, which is described below.
Fig. 7 shows a schematic structural diagram of a system for paddle-less mixing preparation of solid propellant slurry in an embodiment of the present application, and as shown in the figure, the system for paddle-less mixing preparation of solid propellant slurry may include: the device comprises a mixing container (2), an acoustic resonance mixer (1), a temperature control device and a vacuumizing device, wherein the mixing container is fastened with the acoustic resonance mixer, and the mixing container (2) is respectively connected with the temperature control device and the vacuumizing device (not shown in the figure);
after the materials to be mixed are filled into the mixing container, the temperature control equipment heats the materials to be mixed; when the temperature of the materials to be mixed reaches a preset temperature threshold value, the acoustic resonance mixer (1) starts to vibrate and stops after a preset first mixing time is reached; the vacuumizing equipment is used for vacuumizing the mixing container (2), the acoustic resonance mixer (1) continues to vibrate for a preset second mixing time, the vacuumizing equipment is used for recovering the pressure in the mixing container (2) to normal atmospheric pressure, and the acoustic resonance mixer (1) stops vibrating.
The mixing preparation system of the solid propellant slurry provided by the embodiment of the application adopts the acoustic resonance mixer to perform resonance mixing, so that the mixing efficiency is high, the energy-saving effect is obvious, all materials in the mixing container are fully mixed by the resonance mixing technology, and the materials are uniformly mixed; in addition, this application embodiment is when mixing puts the material in mixing container, mixes the machine with acoustic resonance and fixes mixing container, mix after accomplishing take off mixing container can, mixing container can quick replacement, need not online clearance, clean easy.
Fig. 2 to 6 show schematic structural diagrams of an acoustic resonance mixer in an embodiment of the present application, and as shown in the drawings, the acoustic resonance mixer may include: the device comprises a rack lower plate (101), a rack upper plate (103) fixedly connected with the rack lower plate (101), a reaction upper plate (302), a reaction lower plate (304) fixedly connected with the reaction upper plate (302), a fixed plate (202), a load upper plate (402) and a load lower plate (407) fixedly connected with the load upper plate (402); a plurality of springs I (301) are arranged between the upper surface of the reaction upper plate (302) and the rack upper plate (103) and between the lower surface of the reaction lower plate (304) and the rack lower plate (101); the fixed plate (202) is supported between the reaction upper plate (302) and the reaction lower plate (304) through a plurality of springs II (201) positioned on the upper surface and the lower surface; the load lower plate (407) is supported between the reaction upper plate (302) and the reaction lower plate (304) by a plurality of springs three (406).
In implementation, a plurality of spring guide columns (404) are fixed on the lower surface of the upper load plate (402), and each spring guide column (404) penetrates through the upper rack plate (103) to form an upper part and a lower part; the upper part and the lower part of the spring guide post (404) are sleeved with a spring IV (403) which is respectively supported between the upper surface of the upper plate (103) of the rack and the lower surface of the upper load plate (402) and between the lower surface of the upper plate (103) of the rack and the end part of the lower half part of the spring guide post (404).
In practice, the reaction upper plate (302) is fixedly connected to the reaction lower plate (304) by means of a plurality of reaction force columns (303).
In practice, the reaction force columns (303) pass through holes provided in the load lower plate (407).
In practice, the load upper plate (402) is fixedly connected to the load lower plate (407) by a plurality of load connecting rods (405).
In implementation, the second springs (201) are respectively arranged on the upper surface and the lower surface of the fixing plate (202) in an annular array manner; the first springs (301) are respectively arranged on the reaction upper plate (302) and the reaction lower plate (304) in an annular array mode.
In an implementation, the acoustic resonance mixer further comprises: and the excitation device is fixed on the fixing plate (202).
In an implementation, the vibration exciter may be an eccentric mechanical vibration exciter, an electromagnetic vibration exciter, or a hydraulic vibration exciter.
In practice, the reaction lower plate (304) is provided with a plurality of holes for reducing weight.
In the implementation, the rack lower plate (101) and the rack upper plate (103) are fixedly connected through a plurality of rack upright posts (102).
In practice, the mixing vessel (2) is fixed to a load upper plate (402) of the acoustic resonance mixer (1) by vessel fastening means (4).
Compared with the existing solid propellant slurry mixing preparation technology, the resonance mixing preparation method of the solid propellant slurry provided by the embodiment of the application has the advantages that:
1) energy conservation and high efficiency: the time required for resonance mixing of the solid propellant is only 5-50 min, while the time required for mixing of a traditional vertical mixer is 2-4 h; in addition, the resonance mixing energy loss is small, and the applied mechanical energy is all used for mixing work, so the mixing efficiency is high and the energy-saving effect is quite remarkable;
2) the mixing safety is high: no paddle is used for mixing, so that safety accidents can not occur even if foreign matters such as screws enter the mixing container;
3) the mixing quality is good: the material mixing uniformity is improved;
4) mixing without dead angles: the resonance mixing technology enables all materials in the mixing container to fully participate in mixing;
5) easy cleaning: during mixing, the materials are placed in a mixing container, the container and the equipment are fixed, the container is taken out after mixing is finished, and the mixing container can be quickly replaced; and the engine can be directly used as a mixing container without cleaning procedures.
Example 3
To facilitate the practice of the present application, the following description is given by way of example.
The mixed material may include: the adhesive comprises an adhesive (HTPB), a plasticizer (KZ), an anti-aging agent (amine H), a speed reducer (IT-09), a curing agent (TDI), oxidizing agents (I type AP, III type AP and IV type AP) and a high-energy combustion agent (FLQT3 aluminum powder).
Step one, weighing 270g of high-energy combustion agent-FLQT 3 aluminum powder, 111.92g of adhesive-HTPB, 111.92g of anti-aging agent-amine H and IT-09, and 60g of plasticizer-KZ in sequence and putting into a mixing container (2);
step two, starting temperature control equipment to heat the mixing container and the material to be mixed at the temperature of 35 ℃;
fastening the mixing container (2) by using a container fastening device (4), starting the acoustic resonance mixer (1), setting the acceleration of 45g, mixing for 3min, and automatically stopping the acoustic resonance mixer (1) after mixing is finished;
loosening a container fastening device (4), opening the mixing container (2), and sequentially adding 32.1g of oxidant-AIV, 192.9g of oxidant-AIII and 225g of oxidant-AII into the mixing container (2);
step five, setting the temperature of temperature control equipment to be 40 ℃;
step six, fastening the mixing container (2) by a container fastening device (4), starting the acoustic resonance mixer (1), setting the acceleration to be 60g, mixing for 6min, and automatically stopping the acoustic resonance mixer (1) after mixing is finished;
step seven, loosening a container fastening device (4), opening the mixing container (2), and sequentially adding 42.9g of oxidant-APIV, 257.1g of oxidant-APIII, 300g of oxidant-API and 8.08g of curing agent-TDI into the mixing container (2);
step eight, setting the temperature of temperature control equipment to be 40 ℃;
step nine, fastening the mixing container (2) by a container fastening device (4), starting the acoustic resonance mixer (1), setting the acceleration of 60g, mixing for 8min, and starting a vacuumizing device after mixing for 8 min;
step ten, continuously mixing for 8min, discharging the vacuum, stopping the acoustic resonance mixer after the vacuum is recovered to normal atmospheric pressure, and finishing material mixing;
and step eleven, taking down the mixing container for discharging to form solid propellant slurry, and turning to the subsequent process.
FIG. 8 is a SEM scanning electron microscope of a cured tensile section of a solid propellant slurry prepared in accordance with an embodiment of the present invention, showing a graph with a unit length of 30 μm at the upper left, a graph with a unit length of 50 μm at the upper right, a graph with a unit length of 100 μm at the lower left, and a graph with a unit length of 200 μm at the lower right.
The mixing mode that this application embodiment provided has the mechanical action of no paddle to the material, does not have the mixed dead angle, mixing efficiency is high, mixing time is short, advantages such as the homogeneity is good of mixing, is applicable to the high-efficient mixture of solid propellant.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
Claims (17)
1. A non-slurry mixing preparation method of solid propellant slurry is characterized by comprising the following steps:
step 1, putting materials to be mixed into a mixing container according to preset mass; the mixing container is fastened with the acoustic resonance mixer;
step 2, heating the materials to be mixed;
step 3, when the temperature of the materials to be mixed reaches a preset temperature threshold value, starting the acoustic resonance mixer to start material mixing;
step 4, stopping the acoustic resonance mixer after the preset first mixing time is reached;
step 5, vacuumizing the mixing container, continuously mixing until the mixing time reaches a preset second mixing time, restoring the pressure in the mixing container to normal atmospheric pressure, and stopping the acoustic resonance mixer to obtain solid propellant slurry;
after step 4 and before step 5, the method further comprises:
judging whether materials need to be added or not;
if yes, adding the materials to be mixed to be added into the mixing container, and returning to the step 2;
if not, executing the step 5;
the order of adding the materials to be mixed to the mixing vessel is:
adding the adhesive, the burning agent, the plasticizer and the regulator for the first time, and returning to the step 2;
adding the oxidant for the second time, and returning to the step 2;
adding the curing agent for the third time, and returning to the step 2;
the materials to be mixed comprise one or more of the following materials: adhesive, oxidant, combustion agent, curing agent, plasticizer, burning rate catalyst, coupling agent, anti-aging agent and bonding agent;
8 to 18 percent of adhesive and curing agent, 0.5 to 5 percent of plasticizer, 65 to 80 percent of oxidant, 8 to 20 percent of combustion agent and 0.05 to 1.5 percent of regulator.
2. The method of claim 1, wherein the cumulative mixing time for adding the materials to be mixed is from 5min to 25 min.
3. The method of claim 1, wherein the acoustic resonance mixer vibrates during the mixing of the materials according to preset parameters comprising: resonance acceleration, temperature, vacuum, and mixing time.
4. A method according to claim 3, wherein the value of the resonant acceleration is determined on the basis of the damping characteristics, the mass and the volume in the mixing container of the material to be mixed.
5. The method of claim 3, wherein the resonant acceleration is 0 to 110 g.
6. The method of claim 3, wherein the temperature is from 25 ℃ to 125 ℃.
7. The method of claim 6, wherein the temperature is 40 ℃.
8. The method of claim 3, wherein the vacuum is 1kPa to 20 kPa.
9. The method of claim 3, wherein the mixing time is from 5min to 50 min.
10. The method of claim 1, wherein the adhesive is HTPB or NEPE and the curing agent is one or a combination of TDI, IPDI, MDI, HDI, DDI, or N100; the plasticizer is dioctyl sebacate DOS or dioctyl adipate DOA; the regulator is a compound containing a ferrocene structure or alkaline earth carbonate; the combustion agent is aluminum powder.
11. The method of claim 10, wherein the modulator is isobutyl ferrocene, octyl ferrocene, barium carbonate, or strontium carbonate.
12. The method of claim 1, wherein the first mixing time after adding the binder, the burning agent, the plasticizer, and the regulator is 1 to 3min, the first mixing time after adding the oxidizer is 5 to 15min, and the first mixing time after adding the curing agent is 5 to 15 min.
13. The method of claim 1, wherein the mixing vessel is an engine housing.
14. A non-slurry mixing preparation system of solid propellant slurry is characterized by comprising: the device comprises a mixing container (2), an acoustic resonance mixer (1), temperature control equipment and vacuumizing equipment, wherein the mixing container is fastened with the acoustic resonance mixer and is respectively connected with the temperature control equipment and the vacuumizing equipment;
after the materials to be mixed are filled into the mixing container, the temperature control equipment heats the materials to be mixed; when the temperature of the materials to be mixed reaches a preset temperature threshold value, the acoustic resonance mixer starts to vibrate and stops after a preset first mixing time is reached; judging whether materials need to be added or not, if so, returning to the heating step, and heating the materials to be mixed by the temperature control equipment; when the temperature of the materials to be mixed reaches a preset temperature threshold value, starting vibration of the acoustic resonance mixer, stopping the acoustic resonance mixer after a preset first mixing time is reached, continuously judging whether the materials need to be added or not until the materials do not need to be added, vacuumizing the mixing container by the vacuumizing equipment, continuously vibrating the acoustic resonance mixer to a preset second mixing time, recovering the pressure in the mixing container to normal atmospheric pressure by the vacuumizing equipment, and stopping vibration of the acoustic resonance mixer;
the order of adding the materials to be mixed to the mixing vessel is: adding adhesive, burning agent, plasticizer and regulator for the first time; adding an oxidizing agent for the second time; adding a curing agent for the third time; 8 to 18 percent of adhesive and curing agent, 0.5 to 5 percent of plasticizer, 65 to 80 percent of oxidant, 8 to 20 percent of combustion agent and 0.05 to 1.5 percent of regulator.
15. The system of claim 14, wherein the acoustic resonance mixer comprises: the device comprises a rack lower plate (101), a rack upper plate (103) fixedly connected with the rack lower plate (101), a reaction upper plate (302), a reaction lower plate (304) fixedly connected with the reaction upper plate (302), a fixed plate (202), a load upper plate (402) and a load lower plate (407) fixedly connected with the load upper plate (402); a plurality of springs I (301) are arranged between the upper surface of the reaction upper plate (302) and the rack upper plate (103) and between the lower surface of the reaction lower plate (304) and the rack lower plate (101); the fixed plate (202) is supported between the reaction upper plate (302) and the reaction lower plate (304) through a plurality of springs II (201) positioned on the upper surface and the lower surface; the load lower plate (407) is supported between the reaction upper plate (302) and the reaction lower plate (304) by a plurality of springs three (406).
16. The system of claim 15, wherein a plurality of spring guide posts (404) are fixed to the lower surface of the upper load plate (402), and each spring guide post (404) passes through the upper frame plate (103) to form an upper portion and a lower portion; the upper part and the lower part of the spring guide post (404) are sleeved with a spring IV (403) which is respectively supported between the upper surface of the upper plate (103) of the rack and the lower surface of the upper load plate (402) and between the lower surface of the upper plate (103) of the rack and the end part of the lower half part of the spring guide post (404).
17. The system according to claim 14, wherein the mixing vessel (2) is fixed to a load-bearing upper plate (402) of the acoustic resonance mixer (1) by vessel fastening means (4).
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| CN109092176A (en) * | 2018-09-29 | 2018-12-28 | 湖北航鹏化学动力科技有限责任公司 | A kind of charge system and method |
| CN109092175A (en) * | 2018-09-29 | 2018-12-28 | 湖北航鹏化学动力科技有限责任公司 | A kind of the vibration mixed method and equipment of ignition charge |
| CN111085134A (en) * | 2018-10-24 | 2020-05-01 | 南京理工大学 | Explosive acoustic resonance mixing arrangement |
| CN110689640B (en) * | 2019-09-20 | 2020-12-08 | 华中科技大学 | Risk judgment method for composite propellant mixed torque |
| CN113683511A (en) * | 2021-08-31 | 2021-11-23 | 广东立威化工有限公司 | Synthesis method of 2-chloro-4-trifluoromethylphenyl-4 '-nitro-3' -ethoxy phenyl ether |
| CN114591120B (en) * | 2022-03-04 | 2022-11-29 | 中国工程物理研究院化工材料研究所 | Acoustic resonance in-situ charging method suitable for pouring PBX |
| CN115322064A (en) * | 2022-07-28 | 2022-11-11 | 上海航天化工应用研究所 | Process method for rapidly mixing solid propellant through acoustic resonance and propellant |
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| GB984960A (en) * | 1960-08-02 | 1965-03-03 | Aerojet General Co | Solid propellant compositions |
| AU1703300A (en) * | 1998-07-10 | 2000-02-28 | Cordant Technologies, Inc. | Improved composite solid propellants including a hydroxy-functional polybutadiene binder and a rocket motor including same |
| CN104492328B (en) * | 2014-12-19 | 2016-05-25 | 西安近代化学研究所 | A kind of resonance mixed method of high solids content adhesive composition |
| CN106000198B (en) * | 2016-05-16 | 2018-03-13 | 湖北航鹏化学动力科技有限责任公司 | Sound wave mixing arrangement based on Three Degree Of Freedom resonator system |
| CN106495972A (en) * | 2016-10-21 | 2017-03-15 | 重庆大学 | A kind of electric ignition solid propellant of fuel-rich containing aluminum and preparation method thereof |
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