CN114474370A - Negative pressure auxiliary conveying mixing equipment for foam concrete - Google Patents
Negative pressure auxiliary conveying mixing equipment for foam concrete Download PDFInfo
- Publication number
- CN114474370A CN114474370A CN202111645216.XA CN202111645216A CN114474370A CN 114474370 A CN114474370 A CN 114474370A CN 202111645216 A CN202111645216 A CN 202111645216A CN 114474370 A CN114474370 A CN 114474370A
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- CN
- China
- Prior art keywords
- mixer
- negative pressure
- pressure auxiliary
- horizontal
- auxiliary conveying
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/142—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying screw-blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/142—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying screw-blades
- B28C5/143—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying screw-blades for materials flowing continuously through the mixing device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
A negative pressure auxiliary conveying mixing device for foam concrete relates to the technical field of foam concrete conveying mixing, solves the problems of serious mixing abrasion, backflow caused by low viscosity of mixed materials, high bubble breakage rate and small application range of the existing foam concrete mixing device, and comprises a vertical stirrer, a foaming machine, a mixer, a horizontal stirrer and a concrete pump, wherein the vertical stirrer and the foaming machine are respectively connected with the mixer through pipelines; the foam concrete is axially mixed by the mixer and radially mixed by the horizontal mixer, so that the produced foam concrete is more uniform; the mixer only stirs but does not transport, the abrasion of the blade is small, and the bubble breakage rate is low.
Description
Technical Field
The invention belongs to the technical field of foam concrete conveying and mixing, and particularly relates to negative pressure auxiliary conveying and mixing equipment for foam concrete.
Background
The foam concrete has good characteristics, is widely applied to energy-saving wall materials, and is also applied in other aspects. At present, the application of foam concrete in China is mainly roof foam concrete heat-insulating layer cast-in-place, foam concrete surface blocks, foam concrete light wall boards and foam concrete compensation foundations. At present, common foam concrete mixing equipment on the market mostly adopts a modified spiral conveyor for mixing, blades and a groove body are seriously abraded in the spiral conveying process, the mixed viscosity is low, backflow is generated, the conveying capacity is greatly influenced, the breakage rate of bubbles in the stirring process is high, and the process parameters are difficult to control; the hose pump is only suitable for the working condition that the large particles are below 3 mm, and the application range is small.
Disclosure of Invention
In order to solve the problems of serious mixing abrasion, backflow caused by low viscosity of mixed materials, high bubble breakage rate and small application range of the existing foam concrete mixing equipment, the invention provides negative pressure auxiliary conveying mixing equipment for foam concrete, and provides conveying mixing equipment which is more uniform in mixing, small in abrasion, low in bubble breakage rate and stable in process parameters.
The invention is realized by the following technical scheme: the utility model provides a mixing apparatus is carried in assistance of negative pressure of foam concrete, includes vertical mixer, foaming machine, blender, horizontal mixer and concrete pump, vertical mixer and foaming machine be connected with the blender through the pipeline respectively, horizontal mixer's feed inlet be connected with the discharge gate of blender, the feed inlet of concrete pump is connected with horizontal mixer's discharge gate, horizontal mixer's bottom is provided with the inductor of weighing, is provided with the vacuum pump between horizontal mixer and the concrete pump, and foam concrete is through the axial mixing of blender and the radial mixing of horizontal mixer, and the mixing effect is better, produces the negative pressure in horizontal mixer, concrete pump through the vacuum pump, is favorable to the transportation of material.
Furthermore, a pressure sensor is arranged on the horizontal stirrer, and is used for detecting the pressure in the horizontal stirrer and sending a signal to the vacuum pump.
Furthermore, a pressure sensor is arranged on the concrete pump, and is used for detecting the pressure in the concrete pump and sending a signal to the vacuum pump.
Furthermore, the vacuum pump is respectively connected with the horizontal mixer and the concrete pump through stop valves, and the vacuum state of the horizontal mixer and the concrete pump is controlled through the stop valves.
Furthermore, a discharge hole of the vertical mixer is provided with a flowmeter for controlling the discharge amount of the mortar.
Further, a volume flow meter is arranged at an air outlet of the foaming machine to control the air outlet quantity.
Furthermore, the top of the concrete pump is provided with a sealing cover, so that the vacuum state of the inner space can be ensured.
Furthermore, the installation height of the horizontal mixer is greater than that of the concrete pump, so that back suction is prevented.
Further, the blender includes rotating vane, casing and vibrating motor, rotating vane set up in the casing, vibrating motor set up on casing upper portion, make mortar and bubble mix in casing inside, the closed environment prevents external factor's influence, rotating vane's stirring effect is better, vibrating motor is periodic motion can guarantee that mortar and foam can not hinder in the blender.
Further, rotating vane includes left-handed blade and right-handed blade, left-handed blade is connected with right-handed blade in proper order, and left-handed blade and right-handed blade's both ends are provided with the notch respectively, and left-handed blade is connected with right-handed blade through the notch, divide into two kinds of types of left-handed and right-handed with rotating vane, and left-handed blade and right-handed blade connect gradually stirring effect better, and the setting of notch makes things convenient for rotating vane's processing installation location, reduces rotating vane's wearing and tearing.
According to the technical scheme, the invention has the beneficial effects that: the foam concrete is axially mixed by the mixer and radially mixed by the horizontal mixer, so that the produced foam concrete is more uniform; the mixer only stirs and does not transport, the abrasion of the blade is small, and the bubble breakage rate is low; the production process is a fully sealed environment, and the influence of the external environment is small; the pumping effect generated by concrete pumping is utilized in the conveying and mixing process, the vacuum pump is used for assisting in pressure maintaining, the backflow phenomenon cannot occur, the stability of process parameters is ensured, and the application range is wider.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of a mixer according to an embodiment of the present invention.
In the drawings: 1. vertical mixer, 2, flowmeter, 3, foaming machine, 4, volumetric flowmeter, 5, blender, 6, vibrating motor, 7, horizontal mixer, 8, weighing sensor, 9, pressure sensor I, 10, concrete pump, 11, vacuum pump, 12, pressure sensor II, 13, stop valve I, 14, stop valve II, 15, left-handed blade, 16, right-handed blade, 17, casing, 18, notch, 19, sealed lid.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1, a vertical mixer 1 and a foaming machine 3 are installed at predetermined positions, a flow meter 2 is connected to the vertical mixer 1, and a volume flow meter 4 is connected to the foaming machine 3; connecting the vertical stirrer 1 and the foaming machine 3 by a pipeline and then connecting the vertical stirrer and the foaming machine into a mixer 5; then, the mixer 5 is connected into a horizontal mixer 7, the horizontal mixer 7 is a sealed pipeline spiral device, and when the horizontal mixer 7 is installed, a weighing sensor 8 needs to be installed at the bottom of the horizontal mixer and well debugged; connecting the horizontal mixer 7 to the fixed concrete pump 10 by using a pipeline, wherein the installation height of the horizontal mixer 7 is greater than that of the concrete pump 10; compared with the common concrete pump in the market, the top of the concrete pump 10 is provided with the sealing cover 19, so that the vacuum state of the inner space can be ensured; a pressure sensor I9 and a pressure sensor II 12 are respectively arranged on the horizontal mixer 7 and the concrete pump 10; the horizontal mixer 7 and the concrete pump 10 are connected to a vacuum pump 11 through pipelines, and a stop valve I13 and a stop valve II 14 are respectively installed at the connection positions. The whole conveying and mixing equipment needs to ensure good air tightness, and the horizontal mixer 7 and the concrete pump 10 can form a vacuum state under the action of the vacuum pump 11.
As shown in fig. 2, the mixer 5 includes left-handed blade 15, right-handed blade 16, casing 17 and vibrating motor 6, left-handed blade 15 is connected with right-handed blade 16 in proper order, left-handed blade 15 is connected with right-handed blade 16 through notch 18, the blade that will connect is put in casing 17, vibrating motor 6 installs on casing 17 upper portion, make mortar and bubble mix inside casing 17, the closed environment prevents the influence of external factor, left-handed blade 15 and right-handed blade 16 connect the stirring effect better in proper order, the setting of notch 18 makes things convenient for rotating blade's processing installation location, reduce rotating blade's wearing and tearing, vibrating motor 6 is periodic motion can guarantee that mortar and foam can not block in mixer 5.
The working process and principle are as follows: mortar produced by the vertical mixer 1 and foam produced by the foaming machine 3 enter the mixer 5 through pipelines, the flow of the mortar and the foam is controlled by the flowmeter 2 and the volume flowmeter 4, the mortar and the foam are axially mixed in the mixer 5 according to a proper proportion, and the vibration motor 6 arranged above the mortar and the foam does periodic motion to ensure that the mortar and the foam cannot be blocked in the mixer 5. At this point, the horizontal mixer 7 is brought under vacuum by the vacuum pump 11, after which the partially mixed foam concrete is introduced from the mixer 5 into the horizontal mixer 7 under atmospheric pressure and the radial mixing is completed, during which the weighing cell 8 can determine its internal level by weight, ensuring optimum mixing. After the horizontal mixer 7 finishes radial mixing, the horizontal mixer 7 is in an atmospheric pressure state, and the concrete pump 10 is in a vacuum state under the action of the vacuum pump 11, so that the uniformly mixed foam concrete can flow into the concrete pump 10 through a pipeline; after the foam concrete completely flows into the horizontal mixer 7, the pressure sensor I9 can control the opening and closing state of the stop valve I13 through a signal fed back by the weighing sensor 8, so that the horizontal mixer 7 is in a vacuum state under the action of the vacuum pump 11, the concrete pump 10 is in a non-vacuum state at the moment, the foam concrete which is uniformly mixed cannot flow back due to the height difference between the horizontal mixer 7 and the foam concrete of the concrete pump 10, and the foam concrete which is not completely mixed by the mixer 5 flows into the horizontal mixer 7 at the moment. After the foam concrete enters the concrete pump 10, the concrete pump 10 pumps the foam concrete into a specified position, and the pressure sensor II 12 can control the opening and closing state of the stop valve II 14 through signal feedback of a concrete pump 10 level meter, so that the concrete pump 10 is in a vacuum state under the action of the vacuum pump 11. The mortar and the foam can be fully mixed and sent to a designated position by the circulation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The negative pressure auxiliary conveying mixing equipment for the foam concrete comprises a vertical stirrer, a foaming machine, a mixer, a horizontal stirrer and a concrete pump, and is characterized in that the vertical stirrer and the foaming machine are respectively connected with the mixer through pipelines, a feed inlet of the horizontal stirrer is connected with a discharge outlet of the mixer, a feed inlet of the concrete pump is connected with a discharge outlet of the horizontal stirrer, a weighing sensor is arranged at the bottom of the horizontal stirrer, and a vacuum pump is arranged between the horizontal stirrer and the concrete pump.
2. The negative pressure auxiliary transport mixing apparatus for foamed concrete according to claim 1 wherein the horizontal mixer is provided with a pressure sensor.
3. The negative-pressure auxiliary conveying mixing device for foamed concrete according to claim 1, wherein a pressure sensor is arranged on the concrete pump.
4. The negative pressure auxiliary conveying mixing device for foamed concrete according to claim 1, wherein the vacuum pump is connected with the horizontal mixer and the concrete pump through stop valves respectively.
5. The negative pressure auxiliary conveying mixing apparatus for foamed concrete according to claim 1 wherein the discharge port of the vertical mixer is provided with a flow meter.
6. The negative pressure auxiliary conveying mixing device for foamed concrete according to claim 1, wherein the air outlet of the foaming machine is provided with a volume flow meter.
7. The negative pressure auxiliary conveying mixing device for foamed concrete according to claim 1, wherein a sealing cover is provided on the top of the concrete pump.
8. The negative pressure auxiliary conveying mixing device for foamed concrete according to claim 1, wherein the installation height of the horizontal mixer is greater than that of the concrete pump.
9. The negative pressure auxiliary feed mixing apparatus for foamed concrete according to claim 1, wherein the mixer comprises a rotary blade, a casing, and a vibration motor, the rotary blade being disposed in the casing, the vibration motor being disposed at an upper portion of the casing.
10. The negative pressure auxiliary conveying mixing apparatus for foamed concrete according to claim 9, wherein the rotary blade comprises a left-handed blade and a right-handed blade, the left-handed blade is sequentially connected with the right-handed blade, both ends of the left-handed blade and the right-handed blade are respectively provided with a notch, and the left-handed blade is connected with the right-handed blade through the notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645216.XA CN114474370A (en) | 2021-12-29 | 2021-12-29 | Negative pressure auxiliary conveying mixing equipment for foam concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645216.XA CN114474370A (en) | 2021-12-29 | 2021-12-29 | Negative pressure auxiliary conveying mixing equipment for foam concrete |
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| Publication Number | Publication Date |
|---|---|
| CN114474370A true CN114474370A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111645216.XA Pending CN114474370A (en) | 2021-12-29 | 2021-12-29 | Negative pressure auxiliary conveying mixing equipment for foam concrete |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201534070U (en) * | 2009-09-28 | 2010-07-28 | 江苏辰星海洋生物科技有限公司 | Automatic feeding device of rubber-dissolving tank |
| CN201645604U (en) * | 2010-03-08 | 2010-11-24 | 翁沂南 | Foamed concrete producing equipment |
| CN102989338A (en) * | 2012-12-27 | 2013-03-27 | 四川省机械研究设计院 | Spiral static mixer |
| WO2015176092A2 (en) * | 2014-05-20 | 2015-11-26 | Geolyth Mineral Technologie Gmbh | Sequential continuous mixer apparatus |
| CN204826665U (en) * | 2015-07-17 | 2015-12-02 | 河南华泰建材开发有限公司 | Physical blowing foam concrete pumping system that foams |
| CN109016136A (en) * | 2018-08-27 | 2018-12-18 | 沈阳金之利科技有限公司 | A kind of on-site casting polyphenyl ethylene granule foaming concrete dispersion construction system and method |
-
2021
- 2021-12-29 CN CN202111645216.XA patent/CN114474370A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201534070U (en) * | 2009-09-28 | 2010-07-28 | 江苏辰星海洋生物科技有限公司 | Automatic feeding device of rubber-dissolving tank |
| CN201645604U (en) * | 2010-03-08 | 2010-11-24 | 翁沂南 | Foamed concrete producing equipment |
| CN102989338A (en) * | 2012-12-27 | 2013-03-27 | 四川省机械研究设计院 | Spiral static mixer |
| WO2015176092A2 (en) * | 2014-05-20 | 2015-11-26 | Geolyth Mineral Technologie Gmbh | Sequential continuous mixer apparatus |
| CN204826665U (en) * | 2015-07-17 | 2015-12-02 | 河南华泰建材开发有限公司 | Physical blowing foam concrete pumping system that foams |
| CN109016136A (en) * | 2018-08-27 | 2018-12-18 | 沈阳金之利科技有限公司 | A kind of on-site casting polyphenyl ethylene granule foaming concrete dispersion construction system and method |
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