CN112537993A - Fluidized water gel explosive - Google Patents
Fluidized water gel explosive Download PDFInfo
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- CN112537993A CN112537993A CN202011247614.1A CN202011247614A CN112537993A CN 112537993 A CN112537993 A CN 112537993A CN 202011247614 A CN202011247614 A CN 202011247614A CN 112537993 A CN112537993 A CN 112537993A
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- nitrate
- water gel
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- percent
- gel explosive
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
- C06B31/30—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with vegetable matter; with resin; with rubber
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a fluidized water gel explosive, which comprises the following raw materials in percentage by mass: 36-46% of methylamine nitrate, 10-13% of solid ammonium nitrate, 20-30% of liquid nitrate, 12-15% of solid sodium nitrate, 0.5-1% of guar gum, 0.8-1.2% of foam stabilizer, 0.8-1% of cross-linking agent, 0.1-0.3% of foaming agent, 0.1-0.2% of promoter and 8-12% of distilled water. Compared with other explosives, the fluid water gel-based explosive has good fluidity and is convenient to use, the safety level of the fluid water gel-based explosive is not lower than the safety of the secondary coal mine permitted explosive, the fluid water gel-based explosive has higher power and better use effect compared with rock water gel-based explosives, and meanwhile, the fluid water gel-based explosive has the advantages of low production cost, simple production process, good safety, capability of meeting the use requirements of special blasting environments and the like.
Description
Technical Field
The invention relates to the technical field of explosives, in particular to a fluidized water gel explosive.
Background
The traditional water gel explosive and emulsion explosive cannot meet the requirements of oil and gas exploitation of coal mines and petroleum mines in special environments, secondary blasting needs to be carried out on the same blast hole in oil and gas exploitation, rock blocks around the blast hole can be cracked and irregular collapsed holes can be formed after normal blasting, secondary blasting is almost impossible when drilling is needed under the condition, but the liquid water gel explosive is not influenced by the collapsed holes and the cracked rock blocks and can enter the blast hole through gaps and cracks among the rock blocks to carry out secondary blasting.
The traditional water gel explosive has no characteristic of fluidity, so that the traditional water gel explosive cannot enter markets of some special industries and special users all the time, the research and development of the liquid water gel explosive formally develops a novel water gel explosive variety aiming at the special condition, not only develops the water gel explosive market, but also supplements products in the civil explosive industry, expands the field range of the civil explosive industry, and although the liquid explosive has been long in history, the manufacturing method is various and raw materials are easy to obtain, but the liquid explosive is always a blank in civil explosive articles. At present, common explosives in the category of civil explosives mainly comprise two categories of water gel and emulsion explosives, and the common product forms of the explosives are solid, are only suitable for plugging and blasting of straight-hole blast holes and cannot meet the use requirements of special blasting environments.
Based on the above, the invention provides a fluidized water gel explosive.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a fluidized water gel explosive which is a fluidized water gel-based explosive, has good fluidity and is convenient to use compared with other explosives, the safety level of the fluidized water gel explosive is not lower than the safety of secondary coal mine permitted explosives, and compared with rock type water gel explosives, the fluidized water gel explosive has the advantages of higher power and better use effect, and meanwhile, the fluidized water gel explosive has the advantages of low production cost, simple production process, good safety, capability of meeting the use requirements of special blasting environments and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the raw material formula of the fluid water gel explosive comprises the following raw materials in percentage by mass: 36-46% of methylamine nitrate, 10-13% of solid ammonium nitrate, 20-30% of liquid nitrate, 12-15% of solid sodium nitrate, 0.5-1% of guar gum, 0.8-1.2% of foam stabilizer, 0.8-1% of cross-linking agent, 0.1-0.3% of foaming agent, 0.1-0.2% of promoter and 8-12% of distilled water.
Preferably, the concentration of the methylamine nitrate is 83-86%.
Preferably, the concentration of the liquid nitre is 85% -90%.
Preferably, the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 13% of solid ammonium nitrate, 28.21% of liquid nitrate, 15% of solid sodium nitrate, 1% of guar gum, 1% of foam stabilizer, 1% of cross-linking agent, 0.3% of foaming agent, 0.2% of accelerating agent and 10% of distilled water.
Preferably, the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 11.16% of solid ammonium nitrate, 28.21% of liquid nitrate, 14.3% of solid sodium nitrate, 0.8% of guar gum, 1% of foam stabilizer, 0.95% of cross-linking agent, 0.2% of foaming agent, 0.15% of accelerator and 10% of distilled water.
Preferably, the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 38.94 percent of methylamine nitrate, 11.16 percent of solid ammonium nitrate, 24.54 percent of liquid nitrate, 14.3 percent of solid sodium nitrate, 0.8 percent of guar gum, 1 percent of foam stabilizer, 0.95 percent of cross-linking agent, 0.2 percent of foaming agent, 0.15 percent of accelerant and 10 percent of distilled water.
The invention has the following beneficial effects:
1. the fluid-state water gel-based explosive is a fluid-state water gel-based explosive, has good fluidity and is convenient to use compared with other explosives;
2. the safety level of the fluid water gel explosive is not lower than the safety of the secondary coal mine permitted explosive, and compared with a rock type water gel explosive, the fluid water gel explosive has higher power and better use effect;
3. the fluid water gel explosive has the advantages of low production cost, simple production process, good safety, capability of meeting the use requirement of special blasting environment and the like.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A raw material formula of the fluid state water gel explosive comprises the following raw materials in percentage by mass: 36-46% of methylamine nitrate, 10-13% of solid ammonium nitrate, 20-30% of liquid nitrate, 12-15% of solid sodium nitrate, 0.5-1% of guar gum, 0.8-1.2% of foam stabilizer, 0.8-1% of cross-linking agent, 0.1-0.3% of foaming agent, 0.1-0.2% of promoter and 8-12% of distilled water.
The concentration of methylamine nitrate is 83-86%, and the concentration of liquid nitrate is 85-90%.
Furthermore, the fluid water gel explosive cancels the aluminum powder in the production raw material, and simultaneously uses the chemical foaming technology to replace a physical sensitization mode, namely replace the perlite which is a solid material, so as to achieve the purpose of canceling the solid material in the water gel explosive.
The invention is further illustrated by the following specific examples:
example one
The raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 13% of solid ammonium nitrate, 28.21% of liquid nitrate, 15% of solid sodium nitrate, 1% of guar gum, 1% of foam stabilizer, 1% of cross-linking agent, 0.3% of foaming agent, 0.2% of accelerating agent and 10% of distilled water.
The concentration of methylamine nitrate is 86%, and the concentration of liquid nitrate is 87%.
Example two
The raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 11.16% of solid ammonium nitrate, 28.21% of liquid nitrate, 14.3% of solid sodium nitrate, 0.8% of guar gum, 1% of foam stabilizer, 0.95% of cross-linking agent, 0.2% of foaming agent, 0.15% of accelerator and 10% of distilled water.
The concentration of methylamine nitrate is 86%, and the concentration of liquid nitrate is 87%.
EXAMPLE III
The raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 38.94 percent of methylamine nitrate, 11.16 percent of solid ammonium nitrate, 24.54 percent of liquid nitrate, 14.3 percent of solid sodium nitrate, 0.8 percent of guar gum, 1 percent of foam stabilizer, 0.95 percent of cross-linking agent, 0.2 percent of foaming agent, 0.15 percent of accelerant and 10 percent of distilled water.
The concentration of methylamine nitrate is 86%, and the concentration of liquid nitrate is 87%.
| Production Using this example | Density g/cm3 | Detonation velocity m/s | Work capacity mL |
| Example 1 | 1.3 | 3.0×103 | 350 |
| Example 2 | 1.1 | 2.5×103 | 300 |
| Example 3 | 1.2 | 4.0×103 | 380 |
In summary, the formulation of embodiment 3 can make the fluid-state water-gel explosive have good safety, can meet the use requirements of special blasting environments, and the like, and in the design of the water-gel formulation process, a low crystallization point mixed solution is formed by selecting the reasonable proportion of sodium nitrate and ammonium nitrate, so that the solution does not crystallize at normal temperature, the initiation hot point of the water-gel explosive is greatly improved, a non-solid material is used to replace a solid material, and the liquid water-gel explosive is prevented from layering and segregation after being stored for a long time, so that the explosive power is reduced or the sensitivity is reduced and the water-gel explosive fails to perform secondary blasting on the same blast hole, so that the secondary blasting can be effectively performed when the fluid-state water-gel explosive needs to perform secondary blasting on the same blast hole in oil and gas exploitation, and the technical problem that.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The fluidized water gel explosive is characterized in that the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 36-46% of methylamine nitrate, 10-13% of solid ammonium nitrate, 20-30% of liquid nitrate, 12-15% of solid sodium nitrate, 0.5-1% of guar gum, 0.8-1.2% of foam stabilizer, 0.8-1% of cross-linking agent, 0.1-0.3% of foaming agent, 0.1-0.2% of promoter and 8-12% of distilled water.
2. The fluidized water gel explosive according to claim 1, wherein the concentration of methylamine nitrate is 83-86%.
3. The fluent water gel explosive of claim 1, wherein the concentration of liquid nitre is 85-90%.
4. The fluidized water gel explosive according to claim 1, wherein the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 13% of solid ammonium nitrate, 28.21% of liquid nitrate, 15% of solid sodium nitrate, 1% of guar gum, 1% of foam stabilizer, 1% of cross-linking agent, 0.3% of foaming agent, 0.2% of accelerating agent and 10% of distilled water.
5. The fluidized water gel explosive according to claim 1, wherein the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 45.23% of methylamine nitrate, 11.16% of solid ammonium nitrate, 28.21% of liquid nitrate, 14.3% of solid sodium nitrate, 0.8% of guar gum, 1% of foam stabilizer, 0.95% of cross-linking agent, 0.2% of foaming agent, 0.15% of accelerator and 10% of distilled water.
6. The fluidized water gel explosive according to claim 1, wherein the raw material formula of the fluidized water gel explosive comprises the following raw materials in percentage by mass: 38.94 percent of methylamine nitrate, 11.16 percent of solid ammonium nitrate, 24.54 percent of liquid nitrate, 14.3 percent of solid sodium nitrate, 0.8 percent of guar gum, 1 percent of foam stabilizer, 0.95 percent of cross-linking agent, 0.2 percent of foaming agent, 0.15 percent of accelerant and 10 percent of distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247614.1A CN112537993A (en) | 2020-11-10 | 2020-11-10 | Fluidized water gel explosive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247614.1A CN112537993A (en) | 2020-11-10 | 2020-11-10 | Fluidized water gel explosive |
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| CN112537993A true CN112537993A (en) | 2021-03-23 |
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| CN202011247614.1A Pending CN112537993A (en) | 2020-11-10 | 2020-11-10 | Fluidized water gel explosive |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0514000A1 (en) * | 1991-04-12 | 1992-11-19 | Ici Canada Inc. | Explosive comprising a foamed sensitizer |
| CN104628497A (en) * | 2015-02-13 | 2015-05-20 | 安徽雷鸣科化股份有限公司 | High-power class-3 coal mine permissible water-gel explosive and production method thereof |
| CN107200671A (en) * | 2017-07-13 | 2017-09-26 | 安徽雷鸣科化股份有限公司 | A kind of equipment and its method of work that aqueous gels are prepared without solid-state ammonium nitrate |
-
2020
- 2020-11-10 CN CN202011247614.1A patent/CN112537993A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0514000A1 (en) * | 1991-04-12 | 1992-11-19 | Ici Canada Inc. | Explosive comprising a foamed sensitizer |
| CN104628497A (en) * | 2015-02-13 | 2015-05-20 | 安徽雷鸣科化股份有限公司 | High-power class-3 coal mine permissible water-gel explosive and production method thereof |
| CN107200671A (en) * | 2017-07-13 | 2017-09-26 | 安徽雷鸣科化股份有限公司 | A kind of equipment and its method of work that aqueous gels are prepared without solid-state ammonium nitrate |
Non-Patent Citations (2)
| Title |
|---|
| 李有良，等: "《工业炸药生产技术》", 30 April 2016, 北京理工大学出版社 * |
| 璩世杰: "《爆破理论与技术基础》", 31 August 2016, 冶金工业出版社 * |
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Application publication date: 20210323 |