CN112221378A - Construction system and method applied to construction of large-span composite ice shell structure - Google Patents
Construction system and method applied to construction of large-span composite ice shell structure Download PDFInfo
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- CN112221378A CN112221378A CN202011033657.XA CN202011033657A CN112221378A CN 112221378 A CN112221378 A CN 112221378A CN 202011033657 A CN202011033657 A CN 202011033657A CN 112221378 A CN112221378 A CN 112221378A
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- construction
- material mixing
- buffer container
- shell structure
- container
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
- B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
- B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
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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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
A construction system and method applied to the construction of a large-span composite ice shell structure, wherein the construction system comprises a material mixing and stirring device, a buffer container and a delivery pump; the material mixing and stirring device is communicated with the buffer container, the position of a discharge hole of the material mixing and stirring device is higher than the position of a feed hole of the buffer container, and the buffer container is connected with the delivery pump. The construction method comprises the following steps: firstly, a material mixing and stirring device is provided with at least two material mixing containers, water and fiber paperboards are led into the material mixing containers through a feeding hole and are soaked in advance, and then a stirrer is used for stirring; before spraying construction, at least more than half of the pulp fiber aqueous solution should be stored in the buffer container; and thirdly, after the pulp fiber aqueous solution in the buffer container meets the spraying requirement, opening a delivery pump connected with the buffer container to perform spraying construction of the ice-shell structure. The construction system is uniform in stirring and can realize continuous operation of ice hull structure construction.
Description
Technical Field
The invention relates to a stirring pumping construction system and a stirring pumping construction method, in particular to a construction system and a construction method applied to construction of a large-span composite ice shell structure.
Background
The ice and snow building is a building structure with the characteristics of regions and seasons, plays a great role in ice and snow tourism, and has potential application value in the field of polar development. In recent years, in order to expand the size scale and the curved surface modeling of the traditional ice and snow landscape building and improve the ornamental and artistic values of the ice and snow building, a large-span composite ice shell structure technology is developed. The novel technology adopts a temporary inflatable membrane construction template, and is matched with high-performance composite fiber-water solution continuous injection to finish the construction of the ice-shell structure by freezing. In the prior construction technology, the preparation, the stirring and the pumping of the composite material are mostly concentrated in the same large container. Such a construction method mainly causes the following three problems: 1) the composite fiber is not uniformly stirred and crushed, so that particles with larger particle size block a pipeline; 2) the mass mixing ratio of the composite fiber material cannot be accurately controlled; 3) the material preparation and the pumping can not be carried out simultaneously, which results in low construction efficiency.
Disclosure of Invention
The invention provides a construction system and a construction method applied to the construction of a large-span composite ice shell structure to overcome the defects of the prior art. The construction system is uniform in stirring and can realize continuous operation of ice hull structure construction.
The technical scheme of the invention is as follows:
a construction system applied to the construction of a large-span composite ice shell structure comprises a material mixing and stirring device, a buffer container and a delivery pump; the material mixing and stirring device is provided with a material inlet for feeding materials and a material outlet for outputting the materials, the material outlet of the material mixing and stirring device is communicated with the material inlet of the buffer container, the position of the material outlet of the material mixing and stirring device is higher than the position of the material inlet of the buffer container, the buffer container is provided with a buffer stirrer with opposite stirring directions, and the liquid outlet of the buffer container is connected with the inlet of the conveying pump.
A construction method applied to the construction of a large-span composite ice shell structure comprises the following steps: firstly, a material mixing and stirring device is provided with at least two material mixing containers, the material mixing containers are connected with feed inlets, water and fiber paperboards are led into the material mixing containers through the feed inlets, the mass of the fiber paperboards is controlled to be 1% -5% of the total mass of the fiber paperboards and the water, the fiber paperboards are soaked for 8-15 minutes in advance, then a stirrer stirs for 10-15 minutes, the at least two material mixing containers work in a mutual cooperation mode, when a valve at the bottom of one part of the material mixing containers is closed, the water and the fiber paperboards are filled and stirred, a valve at the bottom of the other part of the material mixing containers is opened, and a fully mixed pulp fiber aqueous solution flows into a cache container through a discharge outlet under the action;
secondly, storing the prepared pulp fiber aqueous solution in a buffer container, wherein at least more than half of the pulp fiber aqueous solution is stored in the buffer container before spraying construction;
and thirdly, after the pulp fiber aqueous solution in the buffer container meets the spraying requirement, opening a conveying pump connected with the buffer container to perform spraying construction of ice-shell structure construction, wherein the buffer stirrer runs at a low speed in the process of outwards spraying the conveying pump.
Compared with the prior art, the invention has the beneficial effects that:
the buffer container of the construction system for building the composite ice shell structure provides an intermediate buffer container of construction materials, so that the continuous construction of the ice shell structure is realized; the buffer container is provided with the buffer stirrer with opposite stirring directions, so that the composite fibers are crushed unevenly and conveyed by the conveying pump conveniently. Compared with the traditional construction pumping equipment, the construction quality and the construction efficiency of the large-span composite ice shell are improved by refining and decomposing the materials into sub-processes of stirring, buffering, pumping and the like; in the construction method, the water and the paper pulp fiber are mixed and stirred in a compounding way, so that the high-efficiency and accurate preparation of the material with the given mixing ratio can be met. The position of the discharge port of the material mixing and stirring device is higher than the position of the feed port of the buffer container, and the composite fiber solution is conveyed under the action of gravity, so that the requirements of additional pipeline connection and pumping equipment are reduced.
The technical scheme of the invention is further explained by combining the drawings and the embodiment:
drawings
FIG. 1 is a schematic view of a construction system of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a diagram showing the arrangement of a buffer container and a buffer stirring container;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic view of a material mixing and stirring device.
Detailed Description
Referring to fig. 1 to 5, the construction system for constructing a large-span composite ice shell structure according to the present embodiment includes a material mixing and stirring apparatus 1, a buffer container 2, and a transfer pump 3;
the material mixing and stirring device 1 is provided with a material inlet 1-1 for feeding materials and a material outlet 1-2 for outputting the materials, the material outlet 1-2 of the material mixing and stirring device 1 is communicated with the material inlet of the buffer container 2, the material outlet 1-2 of the material mixing and stirring device 1 is higher than the material inlet of the buffer container 2, the buffer container 2 is provided with a buffer stirrer 2-3 with opposite stirring directions, and the material outlet 2-2 of the buffer container 2 is connected with the inlet of the delivery pump 3. The material mixing and stirring device 1, the buffer container 2 and the delivery pump 3 are all placed indoors, and the material mixing and stirring device 1 and the buffer container 2 are both arranged on an operation platform with steps.
Further, the material mixing and stirring device 1 comprises a material mixing container 1-3 and a stirrer 1-4, wherein the stirrer 1-4 is arranged at the top of the material mixing container 1-3. The transfer pump 3 is a centrifugal pump.
As shown in fig. 4 and 5, the stirrer 1-4 and the buffer stirrer 2-3 have the same structure and comprise a motor, a rotating rod and a stirring blade, one end of the rotating rod is installed on the output end of the motor, the stirring blade is installed on the other end of the rotating rod, the motor of the stirrer is installed on the material mixing container, and the motor of the buffer stirrer is installed on the buffer container. The stirring blade may be two or three stirring blades.
As shown in fig. 4, the buffer container 2 has a plurality of discharge ports 2-2, and the discharge ports 2-2 are positioned higher than the position of the agitating blade to prevent the centrifugal pump from idle movement while ensuring the uniformity of the sprayed material.
The material mixing container 1-3 and the buffer container 2 are plastic containers, are cheap and easy to obtain, and are convenient to obtain materials.
In another embodiment, which is described with reference to fig. 1 to 5, a construction method applied to the construction of a large-span composite ice hull structure is provided, and the construction method includes:
firstly, a material mixing and stirring device 1 is provided with at least two material mixing containers 1-3, the material mixing containers 1-3 are connected with a feed inlet 1-1, water and fiber paper boards are introduced into the material mixing containers 1-3 through the feed inlet 1-3, the mixing quality of the fiber paper boards is controlled to be 1% -5% of the total mass of the fiber paper boards and the water, the fiber paper boards are soaked in advance for 8-15 minutes, then a stirrer 1-4 is started to stir for 10-15 minutes, at least two material mixing containers 1-3 work in a mutual cooperation mode, when a valve at the bottom of one part of the material mixing container 1-3 is closed, the water and the fiber paper boards are added and stirred, a valve at the bottom of the other part of the material mixing container 1-3 is opened, and the fully mixed paper pulp fiber aqueous solution flows into a cache container 2 through a, so as to carry out alternate construction;
secondly, the prepared pulp fiber aqueous solution is stored in the buffer container 2, at least more than half of the pulp fiber aqueous solution is stored in the buffer container 2 before spraying construction, and the arrangement ensures the continuous supply requirement of ice-shell structure construction;
and thirdly, after the pulp fiber aqueous solution in the buffer container 2 meets the spraying requirement, opening the conveying pump 3 connected with the buffer container 2 to perform spraying construction of ice-shell structure construction, and enabling the buffer stirrer 2-3 to be in low-speed operation in the process of spraying the conveying pump 3 outwards, so as to prevent the composite solution from settling. The embodiment is suitable for automatic stirring and pumping in the construction of the large-span ice-shell structure, and can realize accurate control of the mixing ratio of the sprayed materials and continuous pumping and spraying of the ice-shell structure.
The motor of the stirrer 1-4 in the first step can be a 380V variable frequency motor.
Optionally, the quality of the fiber paperboard is controlled between 3% and 4%. Pre-soaking for 10 minutes.
As an example: the construction method applied to the construction of the large-span composite ice shell structure is carried out as follows:
the material mixing and stirring device 1 is provided with two material mixing containers 1-3, the volume of each material mixing container 1-3 is 1000L, the ice shell construction process is optimized by the arrangement of the double material mixing containers 1-3, and the preparation efficiency of the composite material is improved; the material mixing container 1-3 is connected with a feed inlet 1-1, water and fiber paper boards are guided into the two material mixing containers 1-3 through the feed inlet 1-3, the mixing quality of the fiber paper boards is controlled to be 1% -3% of the total mass of the fiber paper boards and the water, the fiber paper boards are soaked for 10 minutes in advance, then starting the stirrer 1-4 to stir for 10-15 minutes, the two material mixing containers 1-3 work cooperatively with each other, when a valve at the bottom of one material mixing container 1-3 is closed, water and fiber paperboards are added and stirred, and a valve at the bottom of the other material mixing container 1-3 is opened, the fully mixed paper pulp fiber aqueous solution flows into the buffer container 2 through the discharge port 1-2 under the action of gravity, and the construction is alternately carried out, and a 380V variable frequency motor can be selected as the stirrer 1-4;
secondly, the prepared pulp fiber aqueous solution is stored in the buffer container 2, at least more than half of the pulp fiber aqueous solution is stored in the buffer container 2 before spraying construction, and the arrangement ensures the continuous supply requirement of ice-shell structure construction;
and thirdly, after the pulp fiber aqueous solution in the buffer container 2 meets the spraying requirement, opening the conveying pump 3 connected with the buffer container 2 to perform spraying construction of ice-shell structure construction, and enabling the buffer stirrer 2-3 to be in low-speed operation in the process of spraying the conveying pump 3 outwards, so as to prevent the composite solution from settling.
The quality of the fiber paper board is formulated according to the construction requirements of the large-span ice-shell structure so as to form different construction modes.
The present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the scope of the invention.
Claims (9)
1. The utility model provides a construction system for compound ice hull structure of large-span is built which characterized in that: the device comprises a material mixing and stirring device (1), a buffer container (2) and a delivery pump (3);
the material mixing and stirring device (1) is provided with a material inlet (1-1) for feeding materials and a material outlet (1-2) for outputting the materials, the material outlet (1-2) of the material mixing and stirring device (1) is communicated with the material inlet of the buffer container (2), the position of the material outlet (1-2) of the material mixing and stirring device (1) is higher than the position of the material inlet of the buffer container (2), the buffer container (2) is provided with buffer stirrers (2-3) with opposite stirring directions, and the material outlet (2-2) of the buffer container (2) is connected with an inlet of the conveying pump (3).
2. The construction system applied to the construction of the large-span composite ice-shell structure according to claim 1, wherein: the material mixing and stirring device (1) comprises a material mixing container (1-3) and a stirrer (1-4), and the stirrer (1-4) is installed at the top of the material mixing container (1-3).
3. The construction system applied to the construction of the large-span composite ice-shell structure according to claim 2, wherein: the delivery pump (3) is a centrifugal pump.
4. The construction system applied to the construction of the large-span composite ice-shell structure according to claim 3, wherein: the stirrer (1-4) and the buffer stirrer (2-3) are identical in structure and comprise a motor, a rotating rod and a stirring blade, one end of the rotating rod is installed at the output end of the motor, the stirring blade is installed at the other end of the rotating rod, the motor of the stirrer is installed on a material mixing container, and the motor of the buffer stirrer is installed on the buffer container.
5. The construction system applied to the construction of the large-span composite ice-shell structure according to claim 4, wherein: the buffer container (2) is provided with a plurality of discharge ports (2-2), and the positions of the discharge ports (2-2) are higher than the positions of the stirring blades.
6. The construction method applied to the construction of the large-span composite ice-shell structure according to claim 5, wherein the construction method comprises the following steps: the material mixing container (1-3) and the buffer container (2) are both plastic containers.
7. A construction method applied to the construction of a large-span composite ice shell structure is characterized in that: the construction method comprises the following steps:
firstly, a material mixing and stirring device (1) is provided with at least two material mixing containers (1-3), the material mixing containers (1-3) are connected with feed inlets (1-1), water and fiber paperboards are introduced into the material mixing containers (1-3) through the feed inlets (1-3), the mixing quality of the fiber paperboards is controlled to be 1% -5% of the total mass of the fiber paperboards and the water, the fiber paperboards are soaked in advance for 8-15 minutes, then a stirrer (1-4) is stirred for 10-15 minutes, at least two material mixing containers (1-3) work in a mutual cooperation mode, when a valve at the bottom of one part of the material mixing containers (1-3) is closed, the water and the fiber paperboards are added and stirred, a valve at the bottom of the other part of the material mixing containers (1-3) is opened, and the fully mixed pulp fiber aqueous solution flows into a cache container (2) through a discharge outlet (1-2), so as to carry out alternate construction;
secondly, storing the prepared pulp fiber aqueous solution in a buffer container (2), wherein at least more than half of the pulp fiber aqueous solution is stored in the buffer container (2) before spraying construction;
and thirdly, after the pulp fiber aqueous solution in the buffer container (2) meets the spraying requirement, opening a conveying pump (3) connected with the buffer container (2) to perform spraying construction of ice-shell structure construction, wherein the buffer stirrer (2-3) runs at a low speed in the process of outwards spraying the conveying pump (3).
8. The construction method applied to the construction of the large-span composite ice-shell structure according to claim 7, is characterized in that: the quality of the fiber paperboard is controlled to be 3% -4%.
9. The construction method applied to the construction of the large-span composite ice-shell structure according to claim 8, wherein the construction method comprises the following steps: pre-soaking for 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033657.XA CN112221378A (en) | 2020-09-27 | 2020-09-27 | Construction system and method applied to construction of large-span composite ice shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033657.XA CN112221378A (en) | 2020-09-27 | 2020-09-27 | Construction system and method applied to construction of large-span composite ice shell structure |
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| Publication Number | Publication Date |
|---|---|
| CN112221378A true CN112221378A (en) | 2021-01-15 |
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| CN202011033657.XA Pending CN112221378A (en) | 2020-09-27 | 2020-09-27 | Construction system and method applied to construction of large-span composite ice shell structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251165A (en) * | 2002-02-28 | 2003-09-09 | Sumitomo Mitsui Construction Co Ltd | Agitating/mixing apparatus for lining apparatus |
| CN102849231A (en) * | 2012-08-29 | 2013-01-02 | 江苏永钢集团有限公司 | Automatic-weighing and automatic-filling machine |
| CN203223745U (en) * | 2013-04-26 | 2013-10-02 | 沧州丰源环保科技有限公司 | Viscous material conveying system |
| CN207838884U (en) * | 2017-12-20 | 2018-09-11 | 北京迦南莱米特科技有限公司 | Feed proportioning system |
| CN110017026A (en) * | 2019-04-25 | 2019-07-16 | 哈尔滨工业大学 | A method of nilas building is built based on compound ice and snow material |
| CN211057253U (en) * | 2019-10-11 | 2020-07-21 | 江苏中畅精密科技有限公司 | Automatic sand supplementing device for electroplating production line of multi-wire diamond wire saw |
-
2020
- 2020-09-27 CN CN202011033657.XA patent/CN112221378A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251165A (en) * | 2002-02-28 | 2003-09-09 | Sumitomo Mitsui Construction Co Ltd | Agitating/mixing apparatus for lining apparatus |
| CN102849231A (en) * | 2012-08-29 | 2013-01-02 | 江苏永钢集团有限公司 | Automatic-weighing and automatic-filling machine |
| CN203223745U (en) * | 2013-04-26 | 2013-10-02 | 沧州丰源环保科技有限公司 | Viscous material conveying system |
| CN207838884U (en) * | 2017-12-20 | 2018-09-11 | 北京迦南莱米特科技有限公司 | Feed proportioning system |
| CN110017026A (en) * | 2019-04-25 | 2019-07-16 | 哈尔滨工业大学 | A method of nilas building is built based on compound ice and snow material |
| CN211057253U (en) * | 2019-10-11 | 2020-07-21 | 江苏中畅精密科技有限公司 | Automatic sand supplementing device for electroplating production line of multi-wire diamond wire saw |
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Application publication date: 20210115 |
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