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CN-122008387-A - Vacuum integrated production system and production method for high-performance concrete

CN122008387ACN 122008387 ACN122008387 ACN 122008387ACN-122008387-A

Abstract

The invention discloses a vacuum integrated production system and a production method of high-performance concrete, wherein the vacuum integrated production system comprises a stirring pouring device, a stirring device and a stirring device, wherein the stirring pouring device comprises a pouring chamber and a stirring chamber, one of the pouring chamber and the stirring chamber is connected with a separation unit, the stirring chamber is provided with a feed inlet and is connected with a feed sealing unit, and the pouring chamber is provided with an inlet and an outlet and is connected with an inlet and outlet sealing unit; the vacuum device comprises a vacuum pump set, two input ends of the vacuum pump set are respectively communicated with the pouring chamber and the stirring chamber and are respectively connected with a first vacuum valve and a second vacuum valve, and a feeding device. According to the vacuum integrated production system and the production method of the high-performance concrete, through vacuumizing the inner cavities of the stirring chamber and the pouring chamber, production materials are mixed and poured in a vacuum environment, and bubbles are guaranteed to be completely discharged out of concrete slurry, so that a compact concrete member with a smooth surface is formed, the structural strength is increased, the decoration effect is improved, the product quality is finally improved, and the service life is prolonged.

Inventors

  • DENG YUANCUN

Assignees

  • 江苏阿尔博工程科技有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. A vacuum integrated production system for high performance concrete, comprising: The stirring pouring device comprises a pouring chamber and a stirring chamber fixed above the pouring chamber, wherein the top of the pouring chamber and the bottom of the stirring chamber are respectively provided with a blanking port and a discharging port which are opposite to each other, one of the pouring chamber and the stirring chamber is connected with a separation unit for separating inner cavities of the pouring chamber and the stirring chamber, the stirring chamber is provided with a feeding port and is connected with a feeding sealing unit for sealing and covering the feeding port, the stirring chamber is internally provided with a stirring unit and is connected with a rotating unit for driving the stirring unit to rotate, and the pouring chamber is provided with an inlet and an outlet and is connected with an inlet and outlet sealing unit for sealing and covering the inlet and the outlet; The vacuum device comprises a vacuum pump set, wherein two input ends of the vacuum pump set are respectively communicated with the pouring chamber and the stirring chamber and are respectively connected with a first vacuum valve and a second vacuum valve; And the feeding device is used for adding concrete production raw materials into the stirring chamber through the feeding port.
  2. 2. The vacuum integrated production system of high performance concrete according to claim 1, further comprising a moving device, the moving device comprising: The movable assembly drives the movable frame to reciprocate between the pouring station and the taking and placing station; The bearing table is horizontally arranged above the movable frame and used for placing the pouring die; The shell is fixed on the movable frame, and the output end of the vibrator is connected with the bottom surface of the bearing table; And under the pouring station, the projection of the blanking port on the horizontal plane is positioned in the projection of the pouring die on the horizontal plane, and under the taking and placing station, the mobile device is positioned outside the pouring chamber.
  3. 3. The vacuum integrated production system of high-performance concrete according to claim 2, wherein the moving device further comprises a limiting spring arranged between the moving frame and the bearing table, and the limiting spring and the vibrating machine are uniformly distributed between the bearing table and the moving frame.
  4. 4. The vacuum integrated production system of high-performance concrete according to claim 1, wherein the feed inlet is arranged at the top of the stirring chamber, and the feeding device comprises: The water delivery assembly comprises a water tank positioned above the side of the feed inlet, a water inlet pipe and a water outlet pipe are respectively fixedly communicated with the top end and the bottom end of the water tank, the water inlet pipe and the water outlet pipe are respectively connected with a water inlet valve and a water outlet valve, and a water outlet positioned right above the feed inlet is arranged at the bottom of the water outlet pipe; The material conveying assembly comprises a bucket elevator, wherein a feeding end and a discharging end of the bucket elevator are respectively arranged at the bottom and the top and are respectively connected with an upward-inclined feeding pipe and a downward-inclined discharging pipe, a material guiding unit is arranged between the bottom end of the discharging pipe and the feeding port and used for inputting materials conveyed by the bucket elevator into an inner cavity of the stirring chamber through the feeding port.
  5. 5. The vacuum integrated production system of high-performance concrete according to claim 4, wherein the feeding sealing unit comprises a feeding cover, a translation unit for driving the feeding cover to move in the horizontal direction, and a feeding sealing ring which is arranged between the feeding cover and the feeding opening and is elastic.
  6. 6. The vacuum integrated production system of high-performance concrete according to claim 5, wherein the in-out sealing unit comprises an in-out door, a lifting unit for driving the in-out door to move in the vertical direction, and an in-out sealing ring which is arranged between the in-out door and the in-out opening and is elastic.
  7. 7. The vacuum integrated production system of high-performance concrete according to claim 6, wherein the feeding sealing ring and the in-out sealing ring are hollow sealing rings in a closed loop shape, the feeding sealing ring is fixedly communicated with a first air inlet pipe and a first air outlet pipe, the first air inlet pipe and the first air outlet pipe are respectively provided with a first air inlet valve and a first air outlet valve, the in-out sealing ring is fixedly communicated with a second air inlet pipe and a second air outlet pipe, the second air inlet pipe and the second air outlet pipe are respectively provided with a second air inlet valve and a second air outlet valve, and the vacuum integrated production system further comprises an air conveying device, wherein the air conveying device is used for inputting high-pressure air into the first air inlet pipe and the second air inlet pipe.
  8. 8. The vacuum integrated production system of high-performance concrete according to claim 7, wherein the gas transmission device comprises an air compressor, a buffer tank and a dehumidifier which are sequentially connected, and a filter is arranged between the buffer tank and the air compressor and/or between the air outlet sides of the dehumidifier.
  9. 9. The vacuum integrated production system of high-performance concrete according to any one of claims 1 to 8, wherein the separation unit comprises a horizontal partition plate and a telescopic unit for driving the partition plate to horizontally move, the top surface of the partition plate is in sealing fit with the bottom of the blanking port, and a chute which is in sliding fit with the partition plate is arranged in the pouring chamber.
  10. 10. The vacuum integrated production system of the high-performance concrete is characterized by comprising the following steps of: S10, preparing, namely feeding a die to be poured into a pouring chamber, enabling an opening of the die to be positioned right below a blanking port at the top of the pouring chamber, and sealing the pouring chamber; S20, vacuum stirring, namely starting a vacuum pump set, vacuumizing the inner cavity of the pouring chamber and the inner cavity of the stirring chamber, so that the air pressure of the inner cavity of the pouring chamber and the air pressure of the inner cavity of the stirring chamber are maintained within a preset negative pressure numerical range, and stirring raw materials in the stirring chamber in the state to form evenly mixed concrete slurry; S30, vacuum pouring, namely maintaining the negative pressure environment of the inner cavities of the pouring chamber and the stirring chamber, and after the pouring chamber and the stirring chamber are communicated, dropping the concrete slurry obtained in the S20 into a mould, and starting a vibrator to vibrate the mould so as to promote air in the concrete slurry to be separated; and S40, taking materials, namely closing the vibrator and the vacuum pump set, opening the pouring chamber, taking out the mould, and separating the product from the mould after the concrete slurry in the mould is solidified and formed.

Description

Vacuum integrated production system and production method for high-performance concrete Technical Field The invention relates to the technical field of building material preparation, in particular to a vacuum integrated production system and a production method of high-performance concrete. Background The concrete is the most common material in the present constructional engineering, and takes up important position in the construction, and the concrete product is cement concrete which is formed by adopting cement as a cementing material, sand and stone as aggregate, mixing the cement with water according to a certain proportion, adding an additive and a blending material, and pouring, solidifying and forming after stirring. In the process of completing production of concrete, a large number of tiny pits are formed on the surface of a product generally, and because a large number of tiny bubbles are easy to mix in concrete slurry in the stirring and pouring processes, the tiny bubbles are mixed in production raw materials and cannot float and discharge smoothly, the tiny bubbles are wrapped on the surface layer of the concrete slurry, when the tiny bubbles are solidified, partial bubbles are broken, pits are formed on the surface of the product, the appearance quality and the decoration effect of the product are affected, the strength and the wear resistance of the surface of the concrete are reduced, in addition, the bubbles partially wrapped in the concrete also reduce the overall structural strength of a concrete member, and the more the air contained in the concrete member is, the lower the structural strength of the concrete member is, the more the compactness is obviously reduced, and the strength of the concrete building is affected and the service life is shortened. Accordingly, there is a need for improvements in the apparatus and method for producing concrete elements in the prior art. Disclosure of Invention The invention aims to overcome the defects in the prior art and provide a vacuum integrated production system and a production method for high-performance concrete, which are used for eliminating bubbles, improving compactness and structural strength and ensuring production quality. In order to solve the technical problems, the invention provides a vacuum integrated production system of high-performance concrete, comprising: The stirring pouring device comprises a pouring chamber and a stirring chamber fixed above the pouring chamber, wherein the top of the pouring chamber and the bottom of the stirring chamber are respectively provided with a blanking port and a discharging port which are opposite to each other, one of the pouring chamber and the stirring chamber is connected with a separation unit for separating inner cavities of the pouring chamber and the stirring chamber, the stirring chamber is provided with a feeding port and is connected with a feeding sealing unit for sealing and covering the feeding port, the stirring chamber is internally provided with a stirring unit and is connected with a rotating unit for driving the stirring unit to rotate, and the pouring chamber is provided with an inlet and an outlet and is connected with an inlet and outlet sealing unit for sealing and covering the inlet and the outlet; The vacuum device comprises a vacuum pump set, wherein two input ends of the vacuum pump set are respectively communicated with the pouring chamber and the stirring chamber and are respectively connected with a first vacuum valve and a second vacuum valve; And the feeding device is used for adding concrete production raw materials into the stirring chamber through the feeding port. Preferably, in order to reduce the burden on the worker, the mobile device further comprises: The movable assembly drives the movable frame to reciprocate between the pouring station and the taking and placing station; The bearing table is horizontally arranged above the movable frame and used for placing the pouring die; The shell is fixed on the movable frame, and the output end of the vibrator is connected with the bottom surface of the bearing table; And under the pouring station, the projection of the blanking port on the horizontal plane is positioned in the projection of the pouring die on the horizontal plane, and under the taking and placing station, the mobile device is positioned outside the pouring chamber. Preferably, in order to facilitate controlling the vibration amplitude of the bearing table, the moving device further comprises a limiting spring arranged between the moving frame and the bearing table, and the limiting spring and the vibrating machine are uniformly distributed between the bearing table and the moving frame. Preferably, for the convenience realize the transportation of concrete production raw materials, the feed inlet set up in the top of teeter chamber, material feeding unit includes: The water delivery assembly comprises a water tank positioned above the side of