CN102225853B - Production method and device for shotcrete additive - Google Patents
Production method and device for shotcrete additive Download PDFInfo
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- CN102225853B CN102225853B CN2011100747406A CN201110074740A CN102225853B CN 102225853 B CN102225853 B CN 102225853B CN 2011100747406 A CN2011100747406 A CN 2011100747406A CN 201110074740 A CN201110074740 A CN 201110074740A CN 102225853 B CN102225853 B CN 102225853B
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Abstract
The invention provides a production method and a device for a shotcrete additive. The method comprises the following steps: adding bentonite and polyacrylic acid in a high-temperature mixer in a specified proportion, stirring and fully mixing; insulating for 15-25 minutes when the temperature in the high-temperature mixer is set to 100-110 DEG C; then putting the mixture of bentonite and polyacrylic acid in a low-temperature mixer; insulating for 15-25 minutes when the temperature in the low-temperature mixer is set to less than or equal to 60 DEG C, and adding an accelerating agent in a specified proportion; and starting a stirring device in the low-temperature mixer so as to completely mix the materials for 5-15 minutes. The device comprises a material storing tank I (101), a material storing tank II (201), a material storing tank III (301), a mixer I (5) and a mixer II (6), wherein the outlet of the material storing tank I (101) is communicated with the inlet of the mixer I (5); the outlet of the material storing tank III (301) is communicated with the inlet of the mixer I (5); the output of the mixer I (5) is communicated with the inlet of the mixer II (6); the outlet of the material storing tank II (201) is communicated with the inlet of the mixer II (6). Thus, the property stability of the shotcrete additive is better through the production method and device in the invention.
Description
One, technical field
The present invention relates to a kind of working method and device that is used for concrete spraying additive, especially a kind of adaptation is used for the working method that concrete spraying additive and the device of production automation height, concrete spraying additive good stability.
Two, background technology
Sprayed concrete is by spraying machinery; Utilize pressurized air or other power, will be by the mixed materials such as cement, sand, stone and admixture of certain proportioning, be ejected into through jet pipe and receive on the spray plane; Setting and harden within very short several minutes and the concrete reinforcement reinforcement material of moulding; In present engineering construction, sprayed concrete is widely used, for making concrete rapid coagulation sclerosis; Must add accelerating chemicals or compound additive in the sprayed concrete, so concrete spraying additive is an important additive.In existing, also do not have a kind of working method and device that is used for concrete spraying additive, particularly realize the device that large-scale industrial is produced.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this invention is to provide a kind of working method and device that is used for concrete spraying additive, therefore make the stability of concrete spraying additive performance better.
For achieving the above object, the technical scheme that the present invention takes is: a kind of working method that is used for concrete spraying additive joins wilkinite and ROHM in the high temperature mixer in the ratio of stipulating; In the high temperature mixer, stir thorough mixing; When the temperature in the high temperature mixer is set to 100～110 ℃, be incubated 15-25 minute, relay wilkinite and polyacrylic mixture in the low temperature mixer then; When the temperature in the low temperature mixer is set to be not more than 60 ℃; Be incubated 15-25 minute, the ratio in regulation adds accelerating chemicals again, starts the whipping appts in the low temperature mixer; Open whipping appts 5-15 minute in the low temperature mixer, make its thorough mixing.
Mix owing to designed the substep of wilkinite, ROHM and accelerating chemicals, differing temps is incubated, and therefore makes the stability of concrete spraying additive performance better.
The present invention has designed, and the velocity of rotation of the agitating vane of high temperature mixer is set to more than or equal to 1485 rev/mins.Through the high speed rotating of agitating vane, just can keep the temperature in the high temperature mixer to be set to 100～110 ℃.
A kind of device that is used for concrete spraying additive; Include storage tank I, storage tank II, storage tank III, mixer I and mixer II; The delivery port of storage tank I is set to be communicated with the input aperture of mixer I; The delivery port of storage tank III is set to be communicated with the input aperture of mixer I, and the delivery port of mixer I is set to be communicated with the input aperture of mixer II, and the delivery port of storage tank II is set to be communicated with the input aperture of mixer II; The delivery port of storage tank I, storage tank II, storage tank III, mixer I and mixer II is provided with valve, and mixer II is provided with refrigerating unit.
Proportionlity by regulation; Unlatching fills bentonitic storage tank I and fills polyacrylic storage tank III, and joining the high temperature mixer to wilkinite with ROHM in the ratio of stipulating is among the mixer I, mixes insulation; And then to relay the low temperature mixer to wilkinite and polyacrylic mixture be among the mixer II; Unlatching fills the storage tank II of accelerating chemicals, adds accelerating chemicals, and insulation back restir mixes.
The present invention has designed; Mixer I is set to the spiral paddle agitator, is set to include ladle body, blade and cap and pot cover, and blade is set to be arranged in the ladle body through rotation axis; Be provided with and cap on the top of rotation axis; Pot cover is arranged on the opening end of ladle body, and pot cover is set to connect with ladle body through bolt, between the top end face of pot cover and ladle body, is provided with sealed strip.
The present invention has designed, and mixer I is provided with heating unit.When the velocity of rotation of the agitating vane of mixer I less than 1485 rev/mins, use heating unit to keep the temperature in the high temperature mixer to be set to 100～110 ℃.
The present invention has designed, and mixer II is set to the spiral paddle agitator, and mixer II is provided with heat sink.
The present invention has designed, and the outside ancient piece of jade, round, flat and with a hole in its centre of stirrer is provided with the water pipe that is used to lower the temperature, and mixer II is provided with sealing cover.
The present invention has designed, and the inwall of storage tank II is provided with alkali resistance corrosive lining, and the valve of storage tank II is set to anticorrosion valve.
The present invention has designed; Also include under meter I, under meter II, under meter III, transfer hopper, wrapping machine and central control device; The delivery port of storage tank I is set to be communicated with the input aperture of mixer I through under meter I; The delivery port of storage tank III is set to be communicated with the input aperture of mixer I through under meter III; The delivery port of storage tank II is set to be communicated with the input aperture of mixer II through under meter II, and the delivery port of mixer II is set to be communicated with the input aperture of transfer hopper, and the delivery port of transfer hopper is set to be communicated with the input aperture of wrapping machine; The delivery port of transfer hopper is provided with valve; The valve of storage tank III is set to SV, and the valve of storage tank I, storage tank II, mixer I, mixer II and transfer hopper is set to pneumatic control valve or hydrostatic control valve, and the unit of storage tank I, storage tank II, storage tank III, mixer I, mixer II and the valve of transfer hopper and the unit of wrapping machine are set to be connected with central control device; Under meter III is set to liquid mass flow meter, and under meter I and under meter II are set to the powder quality under meter.
Four, description of drawings
Fig. 1 is a synoptic diagram of the present invention:
Fig. 2 is mixer I 5 and mixer II 6 scheme of installations.
Five, embodiment
A kind of working method that is used for concrete spraying additive, first embodiment: join wilkinite and ROHM in the high temperature mixer in the ratio of stipulating, in the high temperature mixer, stir thorough mixing; When the temperature in the high temperature mixer is set to 100 ℃, be incubated 25 minutes, relay wilkinite and polyacrylic mixture in the low temperature mixer then; When the temperature in the low temperature mixer is set to 60 ℃, be incubated 15 minutes, the ratio in regulation adds accelerating chemicals again; Start the whipping appts in the low temperature mixer; Whipping appts in the unlatching low temperature mixer 5 minutes makes its thorough mixing, then packing.
In the present embodiment, wilkinite: ROHM: the ratio of accelerating chemicals is set to 1: 0.04: 0.7.
In the present embodiment, the velocity of rotation of the agitating vane of high temperature mixer is set to 1485 rev/mins.When the blade of high speed rotating mixes wilkinite with ROHM, because frictional force makes the temperature of high temperature mixer be elevated to 100 ℃.
A kind of working method that is used for concrete spraying additive, second embodiment: join wilkinite and ROHM in the high temperature mixer in the ratio of stipulating, in the high temperature mixer, stir thorough mixing; When the temperature in the high temperature mixer is set to 110 ℃, be incubated 15 minutes, relay wilkinite and polyacrylic mixture in the low temperature mixer then; When the temperature in the low temperature mixer is set to 20 ℃; Be incubated 15 minutes, the ratio in regulation adds accelerating chemicals again, starts the whipping appts in the low temperature mixer; Whipping appts in the unlatching low temperature mixer 15 minutes; Make its thorough mixing, pack then, the velocity of rotation of the agitating vane of high temperature mixer is set to 1500 rev/mins.
A kind of working method that is used for concrete spraying additive, the 3rd embodiment: join wilkinite and ROHM in the high temperature mixer in the ratio of stipulating, in the high temperature mixer, stir thorough mixing; When the temperature in the high temperature mixer is set to 105 ℃, be incubated 20 minutes, relay wilkinite and polyacrylic mixture in the low temperature mixer then; When the temperature in the low temperature mixer is set to 40 ℃; Be incubated 20 minutes, the ratio in regulation adds accelerating chemicals again, starts the whipping appts in the low temperature mixer; Whipping appts in the unlatching low temperature mixer 13 minutes; Make its thorough mixing, pack then, the velocity of rotation of the agitating vane of high temperature mixer is set to 1800 rev/mins.
Accompanying drawing is a kind of first embodiment of device that is used for concrete spraying additive of the present invention, specifies present embodiment in conjunction with accompanying drawing.
A kind of device that is used for concrete spraying additive; Include storage tank I 101, under meter I 102, storage tank II 201, under meter II 202, storage tank III301, under meter III302, mixer I 5, mixer II 6, transfer hopper 7, wrapping machine 8 and central control device 9; The delivery port of storage tank I 101 is set to be communicated with the input aperture of mixer I 5 through under meter I 102; The delivery port of storage tank III301 is set to be communicated with the input aperture of mixer I 5 through under meter III302; The delivery port of mixer I 5 is set to be communicated with the input aperture of mixer II 6; The delivery port of storage tank II 201 is set to be communicated with the input aperture of mixer II 6 through under meter II 202; The delivery port of mixer II 6 is set to be communicated with the input aperture of transfer hopper 7; The delivery port of transfer hopper 7 is set to be communicated with the input aperture of wrapping machine 8; The delivery port of storage tank I 101, storage tank II 201, storage tank III301, mixer I 5, mixer II 6 and transfer hopper 7 is provided with valve; The unit of storage tank I 101, storage tank II 201, storage tank III301, mixer I 5, mixer II 6 and the valve of transfer hopper 7 is set to be connected with central control device 9 with the unit of wrapping machine 8, and the valve of storage tank III301 is set to SV, and the valve of storage tank I 101, storage tank II 201, mixer I 5, mixer II 6 and transfer hopper 7 is set to pneumatic control valve.
In the present embodiment; Mixer I 5 is set to the spiral paddle agitator, is set to include ladle body 59, blade 51 and cap 57 and pot cover 4, and blade 51 is set to be arranged in the ladle body 59 through rotation axis; Be provided with and cap 57 on the top of rotation axis; Pot cover 4 is arranged on the opening end of ladle body 59, and pot cover 4 is set to connect with ladle body 59 through bolt, between the top end face of pot cover 4 and ladle body 59, is provided with sealed strip.
In the present embodiment, mixer II 6 is set to the spiral paddle agitator, and the outside ancient piece of jade, round, flat and with a hole in its centre of stirrer is provided with the water pipe that is used to lower the temperature, and mixer II 6 is provided with sealing cover 61.
In the present embodiment, the inwall of storage tank II 201 is provided with alkali resistance corrosive lining, and the valve of storage tank II 201 is set to anticorrosion valve.
Proportionlity by regulation; Unlatching fills bentonitic storage tank I 101 and fills polyacrylic storage tank III301, and joining the high temperature mixer to wilkinite with ROHM in the ratio of stipulating is among the mixer I 5, mixes insulation; And then to relay the low temperature mixer to wilkinite and polyacrylic mixture be among the mixer II 6; Unlatching fills the storage tank II 201 of accelerating chemicals, adds accelerating chemicals, and insulation back restir mixes; Be transferred in the transfer hopper 7 and deposit, carry out bag distribution packaging by wrapping machine 8 again.
A kind of second embodiment that is used for the device of concrete spraying additive; The outer side wall of mixer I 5 is provided with electric heater unit, and the valve of storage tank I 101, storage tank II 201, mixer I 5, mixer II 6 and transfer hopper 7 is set to the hydrostatic control valve.
Concrete spraying additive is widely used owing to have that dust concentration is low, rebound degree is low and the later strength advantages of higher, and my company is in order to realize the suitability for industrialized production of product; Designed the technical scheme of device of the present invention; Through the operation of this device, improved the output of product widely, but carried out lot of test for the mixing insulation of wilkinite, ROHM and accelerating chemicals; Designed method of the present invention; Make the stability of concrete spraying additive better, the while is added mixing owing to designed the substep of wilkinite, ROHM and accelerating chemicals, makes the more reasonable and miniaturized of device substep of the present invention.
Technical problem to be solved by this invention provides a kind of production technique and equipment of low resilient rate high strength spray concrete additive; This production technique is according to the performance of raw-material physics and chemical property and the finished product; Guarantee that starting material are in the preparation process; Accomplish series reaction, it has that rebound degree is low, dust concentration is low and characteristics such as later strength height in use to guarantee compound additive in chasing after; This production unit takes into full account robotization, stability and the safety of production process according to the requirement of production technique, guarantees compound additive quality of stability and trackability, and the throughput of single cover production unit reaches the scale more than 10,000 tons/year.
The present invention has following characteristics:
1, owing to designed the substep mixing of wilkinite, ROHM and accelerating chemicals, differing temps is incubated, and therefore makes the stability of concrete spraying additive performance better.
2, owing to designed storage tank I 101, under meter I 102, storage tank II 201, under meter II 202, storage tank III301, under meter III302, mixer I 5 and mixer II 6; The substep that has satisfied wilkinite, ROHM and accelerating chemicals mixes, differing temps is incubated, and makes the stability of concrete spraying additive performance better.
3, owing to designed transfer hopper 7, wrapping machine 8 and central control device 9, make the production equipment flow process more reasonable, level of automation is higher, has improved the output of producing.
In working method that is used for concrete spraying additive and device technique field; Everyly include a kind of working method that is used for concrete spraying additive, join wilkinite and ROHM ratio in the high temperature mixer, in the high temperature mixer, stir thorough mixing in regulation; When the temperature in the high temperature mixer is set to 100～110 ℃, be incubated 15-25 minute, relay wilkinite and polyacrylic mixture in the low temperature mixer then; When the temperature in the low temperature mixer is set to be not more than 60 ℃; Be incubated 15-25 minute, the ratio in regulation adds accelerating chemicals again, starts the whipping appts in the low temperature mixer; Open whipping appts 5-15 minute in the low temperature mixer, make its thorough mixing; A kind of device that is used for concrete spraying additive; The delivery port of storage tank I 101 is set to be communicated with the input aperture of mixer I 5; The delivery port of storage tank III301 is set to be communicated with the input aperture of mixer I 5; The delivery port of mixer I 5 is set to be communicated with the input aperture of mixer II 6; The delivery port of storage tank II 201 is set to be communicated with the input aperture of mixer II 6, and the delivery port of storage tank I 101, storage tank II 201, storage tank III301, mixer I 5 and mixer II 6 is provided with valve, and mixer II 6 is provided with the technology contents of refrigerating unit in protection scope of the present invention.
Claims (2)
1. working method that is used for concrete spraying additive; It is characterized in that: join wilkinite and ROHM in the high temperature mixer in the ratio of stipulating, in the high temperature mixer, stir thorough mixing, when the temperature in the high temperature mixer is set to 100～110 ℃; Be incubated 15-25 minute; Relay wilkinite and polyacrylic mixture in the low temperature mixer then, when the temperature in the low temperature mixer is set to be not more than 60 ℃, be incubated 15-25 minute; Ratio in regulation adds accelerating chemicals again; Start the whipping appts in the low temperature mixer, open whipping appts 5-15 minute in the low temperature mixer, make its thorough mixing.
2. the working method that is used for concrete spraying additive according to claim 1; It is characterized in that: the velocity of rotation of the agitating vane of high temperature mixer is set to more than or equal to 1485 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100747406A CN102225853B (en) | 2011-03-17 | 2011-03-17 | Production method and device for shotcrete additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100747406A CN102225853B (en) | 2011-03-17 | 2011-03-17 | Production method and device for shotcrete additive |
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| Publication Number | Publication Date |
|---|---|
| CN102225853A CN102225853A (en) | 2011-10-26 |
| CN102225853B true CN102225853B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100747406A Expired - Fee Related CN102225853B (en) | 2011-03-17 | 2011-03-17 | Production method and device for shotcrete additive |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531442B (en) * | 2012-01-17 | 2013-08-28 | 中铁五局（集团）有限公司 | Small-scale production device of liquid accelerating agent |
| CN103382845B (en) * | 2012-05-02 | 2016-03-16 | 林传发 | Fully automatic feeding pulp shooting machine |
| CN113101853B (en) * | 2021-04-20 | 2021-11-16 | 浙江衢州鼎盛建材有限公司 | Production system and production process of concrete admixture |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143770A (en) * | 2007-08-24 | 2008-03-19 | 武汉市海格尔科技有限公司 | Concrete inner curing agent and preparing method thereof |
| CN201579876U (en) * | 2009-12-21 | 2010-09-15 | 嘉兴市博宏新型建材有限公司 | Premixing system in production line for dry-mixed mortar |
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2011
- 2011-03-17 CN CN2011100747406A patent/CN102225853B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143770A (en) * | 2007-08-24 | 2008-03-19 | 武汉市海格尔科技有限公司 | Concrete inner curing agent and preparing method thereof |
| CN201579876U (en) * | 2009-12-21 | 2010-09-15 | 嘉兴市博宏新型建材有限公司 | Premixing system in production line for dry-mixed mortar |
Non-Patent Citations (1)
| Title |
|---|
| 赵文彬等.矿用喷射混凝土外加剂机理分析.《煤炭学报》.2009,第34卷(第4期),第526-530页. * |
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Granted publication date: 20121128 Termination date: 20130317 |