CN115284451A - Fine grain formula concrete that permeates water removes mixing equipment - Google Patents
Fine grain formula concrete that permeates water removes mixing equipment Download PDFInfo
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- CN115284451A CN115284451A CN202210808354.3A CN202210808354A CN115284451A CN 115284451 A CN115284451 A CN 115284451A CN 202210808354 A CN202210808354 A CN 202210808354A CN 115284451 A CN115284451 A CN 115284451A
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- 239000004567 concrete Substances 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 72
- 239000012466 permeate Substances 0.000 title description 2
- 238000003756 stirring Methods 0.000 claims abstract description 129
- 239000000428 dust Substances 0.000 claims abstract description 96
- 230000001629 suppression Effects 0.000 claims abstract description 50
- 239000011380 pervious concrete Substances 0.000 claims abstract description 44
- 239000011159 matrix material Substances 0.000 claims description 69
- 239000002994 raw material Substances 0.000 claims description 66
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 7
- 230000001413 cellular effect Effects 0.000 claims 4
- 238000005267 amalgamation Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
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- 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
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
-
- 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
- B28C5/0806—Details; Accessories
-
- 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
-
- 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
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
-
- 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
- B28C7/02—Controlling the operation of the mixing
-
- 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
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a fine grain type pervious concrete moving mixing device, which comprises a frame, wherein the frame is of a frame structure, the inside of the frame is provided with an accommodating space, a metering and batching device is arranged at the upper part of the accommodating space of the frame and used for metering the feeding amount of concrete, a dust suppression device is arranged right above the metering and batching device and used for clearing dust above the metering and batching device, a stirring device is arranged at the lower part of the accommodating space of the frame and used for stirring the concrete, and a control unit is arranged on the frame and used for automatically controlling the dust suppression device and the stirring device to work.
Description
Technical Field
The invention relates to the technical field of green construction, in particular to fine grain type pervious concrete moving mixing equipment.
Background
The pervious concrete is one kind of pervious road pavement, and is one kind of environment friendly building material favorable to promoting water circulation and improving city ecological environment. It has the features of great water permeability, high strength, simple construction, etc. and may be used in building colorful permeable concrete floor.
At present, a pervious concrete surface layer generally comprises fine aggregates with the particle size of less than 6mm, cement, water and a reinforcing agent, the water content is extremely high during field construction, when the water content is too small, the falling particles of the pervious concrete after forming are serious, when the water content is too large, floating slurry appears during vibration, the porosity of the surface layer is blocked, the pervious concrete is impervious after construction is finished, and in order to prevent the falling particles and threshing phenomena of the pervious concrete, the aggregate is completely wrapped by cement slurry and is in a bond-wrapping cohesive state when generally spreading, and the reinforcing agent in the current industry is used for promoting the hydration reaction and the particle falling prevention phenomena of the pervious concrete, and the initial setting time is kept within 30 min.
For the traditional plant mixing method, when the traditional concrete mixing station plant mixing method is used for construction of the dry and hard pervious concrete, the time for transporting the concrete to a construction site is long, the concrete tank truck cannot transport the dry and hard concrete, a certain site is needed when the dry and hard concrete is mixed on site, common construction sites are urban, people are disturbed, raw materials are difficult to enter the site, and the field mixing dust is serious.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the prior art, during construction, the tank car cannot be transported after concrete is hardened, and the problems of long transportation time, disturbance to residents, difficulty in entering raw materials and serious dust raising exist.
In order to solve the above technical problems, the present invention provides a fine-grained pervious concrete mobile mixing apparatus, comprising: the frame is of a frame structure, and an accommodating space is arranged in the frame;
the metering and batching device is arranged at the upper part of the accommodating space of the frame and is used for metering the feeding amount of concrete;
the dust suppression device is arranged right above the metering and batching device and used for removing dust above the metering and batching device;
the stirring device is arranged at the lower part of the accommodating space of the frame and is used for stirring concrete;
and the control unit is arranged in the accommodating space of the frame and is used for automatically controlling the dust suppression device and the stirring device to work.
In an embodiment of the application, there is provided a fine grained pervious concrete mobile mixing plant, said mixing apparatus comprising:
the stirring shaft is arranged in the stirring device, and stirring blades are arranged on the stirring shaft;
the water spraying port is arranged on the inner wall of the stirring device and is used for spraying high-pressure water flow;
the dust suppression device includes:
the dust suppression cover is arranged at the inlet of the metering and batching device and is of a cavity structure with an opening;
the dry fog spray head is arranged in the cavity of the dust suppression cover and is used for suppressing the spray of dry fog to suppress dust;
the control unit comprises an acquisition module, a processing module and a control module.
In an embodiment of the application, a fine-grained pervious concrete mobile mixing device is provided, the acquisition module is used for acquiring the flow speed information Δ G of concrete raw materials flowing into the mixing device in real time, and the control module is used for controlling the mixing device;
the processing module is used for setting a standard concrete raw material flow speed preset value G0, and is also used for setting a first preset concrete raw material flow speed difference value G1, a second preset concrete raw material flow speed difference value G2, a third preset concrete raw material flow speed difference value G3 and a fourth preset concrete raw material flow speed difference value G4, wherein G1 is more than G2 and more than G3 and more than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b1, c 1), a second preset working condition matrix A2 (A2, b2, c 2), a third preset working condition matrix A3 (A3, b3, c 3) and a fourth preset working condition matrix A4 (A4, b4, c 4), wherein A1 to A4 are first to fourth preset water inflow in sequence, A1 is larger than A2 and smaller than A3 and smaller than A4, b1 to b4 are first to fourth preset stirring time lengths in sequence, b1 is larger than b2 and smaller than b3 and smaller than b4, c1 to c4 are first to fourth preset stirring rotating speeds in sequence, and c1 is larger than c2 and smaller than c3 and smaller than c4;
selecting a preset working condition matrix A as the working condition of the stirring device according to the difference value between the flow velocity information delta G of the concrete raw material flowing into the stirring device and a preset value G0 of the flow velocity of the set standard concrete raw material;
when delta G-G0 is not more than G1, selecting the first preset working condition matrix A1 as the working condition of the stirring device;
when G1 is less than delta G-G0 and less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the stirring device;
when G2 is less than delta G-G0 and less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the stirring device;
when G3 is less than delta G-G0 and less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the stirring device;
when the ith preset working condition matrix Ai is selected as the working condition of the stirring device, the control module controls the water spray nozzle to work at the ith preset water inflow Ai, the control module also controls the stirring shaft to work at the ith preset stirring time bi, and meanwhile, the control module also controls the stirring shaft to work at the ith preset stirring rotating speed ci, wherein i =1,2,3,4.
In the embodiment of the application, a fine-grain type pervious concrete mobile mixing device is provided, the processing module is further used for setting the temperature T1 of concrete raw materials in the first preset mixing device, the temperature T2 of concrete raw materials in the second preset mixing device, the temperature T3 of concrete raw materials in the third preset mixing device and the temperature T4 of concrete raw materials in the fourth preset mixing device, and T1 < T2 < T3 < T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and less than 1;
the acquisition module is further used for acquiring the temperature delta T of the concrete raw materials in the stirring devices in real time, and the processing module is further used for selecting preset correction coefficients according to the relationship between the temperature delta T of the concrete raw materials in the real-time stirring devices and the temperature T of the concrete raw materials in each preset stirring device to correct the working conditions in the ith preset working condition matrix Ai when the ith preset working condition matrix Ai is selected as the working condition of the stirring devices:
when the delta T is less than or equal to T1, not correcting the working condition in the ith preset working condition matrix Ai;
when T1 <. DELTA.T.ltoreq.T 2, selecting the first preset correction coefficient m1 to correct Ai to obtain Ai (Ai m1, bi m1, ci m 1);
when T2 is less than delta T and less than T3, selecting the second preset correction coefficient m2 to correct Ai to obtain Ai (Ai m2, bi m2, ci m 2);
when T3 is less than delta T and less than T4, selecting the third preset correction coefficient m3 to correct Ai to be Ai (Ai is m3, bi is m3, ci is m 3);
when T4 is less than delta T, selecting the fourth preset correction coefficient m4 to correct Ai to obtain Ai (Ai m4, bi m4, ci m 4).
In an embodiment of the application, a fine-grained pervious concrete mobile mixing device is provided, and the acquisition module is further used for acquiring dust concentration information Δ S above the metering and batching device in real time;
the collection module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is more than v2 and more than S3 and more than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially first to fourth preset injection quantities, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially first to fourth preset injection durations, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as the working condition of the dust suppression device according to the difference value between the dust concentration information Delta S above the metering and proportioning device and a preset value G0 of the set standard dust concentration;
when the delta S-S0 is not more than g1, selecting the first preset working condition matrix W1 as the working condition of the dust suppression device;
when S1 is smaller than delta S-S0 and is smaller than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust suppression device;
when S2 is less than delta S-S0 and less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust suppression device;
when S3 is less than delta S-S0 and is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust suppression device;
when the ith preset working condition matrix Wi is selected as the working condition of the dust suppression device, the control module controls the dry fog spray head to work at the ith preset injection quantity di, and the injection time length of the dry fog spray head is set as the ith preset injection time length ei, i =1,2,3,4.
In an embodiment of the present application, there is provided a fine grained pervious concrete mobile mixing plant, the mixing plant further comprising:
the water tank is arranged in the accommodating space of the frame and is used for storing a water source;
and the water injection pipe is connected between the water tank and the stirring device and the dust suppression device and is used for supplying water for the stirring device and the dust suppression device.
In an embodiment of the present application, there is provided a fine-grained pervious concrete mobile mixing device, wherein a booster pump is arranged on the water tank and the water injection pipe of the mixing device, and the booster pump is used for pressurizing water flow.
In the embodiment of the application, a fine-grain type pervious concrete mobile mixing device is provided, wherein two stirring shafts are arranged in a stirring device, the two stirring shafts are horizontally arranged, and the rotation directions of the two stirring shafts are opposite.
In an embodiment of the present application, there is provided a fine grained pervious concrete mobile mixing plant, a plurality of said water jets being provided between each of said mixer blades.
In an embodiment of the present application, there is provided a fine grain type pervious concrete mobile mixing plant, under which moving wheels are provided to move the frame.
Compared with the prior art, the fine grain type pervious concrete moving and mixing equipment provided by the embodiment of the invention has the beneficial effects that:
the invention well inhibits the dust from floating above the metering and proportioning device by arranging the dust-inhibiting device, solves the problem of serious field mixing and dust raising, reduces the field construction noise to the minimum by arranging the stirring device in the frame and using the sound-insulating material arranged on the frame, and has compact integral structure of the frame, small occupied area and higher production efficiency than the traditional concrete mixing equipment for field mixing.
Drawings
FIG. 1 is a schematic structural view of a fine-grained type pervious concrete mobile mixing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of a stirring apparatus of a fine-grained type pervious concrete moving mixing device in an embodiment of the present invention;
FIG. 3 is a schematic control diagram of a fine-grained pervious concrete moving and mixing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a control unit of a fine-grained pervious concrete mobile mixing device in an embodiment of the invention;
in the figure, 1, a vehicle frame; 2. a metering and batching device; 3. a dust suppression device; 4. a stirring device; 5. A control unit; 6. a stirring shaft; 7. a water jet; 8. stirring fan blades; 9. a dry fog nozzle; 10. A dust suppression cover; 11. a water tank; 12. a water injection pipe; 13. a booster water pump; 14. a moving wheel; 15. A discharge channel; 16. a stirring motor.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In an embodiment of the present application, there is provided a fine grained pervious concrete mobile mixing plant comprising: the bicycle frame 1 is of a frame structure, and an accommodating space is formed inside the bicycle frame;
the metering and batching device 2 is arranged at the upper part of the accommodating space of the frame 1 and is used for metering the feeding amount of concrete;
the dust suppression device 3 is arranged right above the metering and proportioning device 2 and is used for removing dust above the metering and proportioning device 2;
the stirring device 4 is arranged at the lower part of the accommodating space of the frame 1 and is used for stirring concrete;
and the control unit 5 is arranged in the accommodating space of the frame 1 and is used for automatically controlling the dust suppression device 3 and the stirring device 4 to work.
Furthermore, through the dust suppression device 3, the dust above the metering and proportioning device 2 is well suppressed from flying, the problem of serious field mixing and flying dust is solved, the stirring device 4 is arranged in the frame 1, the noise of field construction is reduced to the minimum by the sound insulation material arranged on the frame 1, the overall structure of the frame 1 is compact, the occupied area is small, and the production efficiency of the concrete stirring device is higher than that of the traditional field mixing concrete stirring device.
In an embodiment of the present application, there is provided a fine-grained pervious concrete mobile mixing plant, the mixing device 4 comprising:
the stirring shaft 6 is arranged in the stirring device 4, the stirring fan blades 8 are arranged on the stirring shaft 6, and the stirring fan blades 8 are spiral, so that concrete raw materials in the stirring device 4 can be well stirred;
the water spraying opening 7 is arranged on the inner wall of the stirring device 4 and is used for spraying high-pressure water flow;
further, the water spraying port 7 is used for injecting water into the concrete raw material during operation to ensure that the concrete raw material can be normally stirred, and is used for cleaning the stirring device 4 after the operation of stirring is finished, and the residual concrete raw material on the inner wall of the stirring device 4 can be flushed clean by using high-pressure water flow;
the dust suppressing device 3 includes:
the dust suppression cover 10 is arranged at the inlet of the metering and batching device 2 and is of a cavity structure with an opening;
furthermore, an opening is formed in the dust suppression cover 10, so that feeding is facilitated;
the dry fog spray head 9 is arranged in the cavity of the dust suppression cover 10 and used for suppressing the spraying of dry fog to suppress dust;
preferably, the dust suppression device 3 is a sound wave oscillator driven by compressed air, water is highly atomized at the resonance chamber of the dry mist nozzle 9 through the sonic boom action of high-frequency sound waves, fine water mist particles with the particle size of less than 10 microns are generated and sprayed to a dust-forming point, the mutual collision, bonding and coalescence rate of the water mist and the dust particles are promoted to be increased, and the dust and the water mist are settled under the action of self gravity after being combined, so that the dust suppression effect is achieved;
the control unit 5 comprises an acquisition module, a processing module and a control module.
In the embodiment of the application, a fine-grained pervious concrete mobile mixing device is provided, the acquisition module is used for acquiring the flow speed information Δ G of concrete raw materials flowing into the mixing device 4 in real time, and the control module is used for controlling the mixing device 4;
preferably, a concrete raw material flow velocity measuring sensor is arranged in the stirring device 4 and used for detecting the flow velocity information of the concrete raw material flowing into the stirring device 4 in real time and feeding the information back to the acquisition module;
the processing module is used for setting a standard concrete raw material flow speed preset value G0, and is also used for setting a first preset concrete raw material flow speed difference value G1, a second preset concrete raw material flow speed difference value G2, a third preset concrete raw material flow speed difference value G3 and a fourth preset concrete raw material flow speed difference value G4, wherein G1 is more than G2 and more than G3 and more than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b1, c 1), a second preset working condition matrix A2 (A2, b2, c 2), a third preset working condition matrix A3 (A3, b3, c 3) and a fourth preset working condition matrix A4 (A4, b4, c 4), wherein A1 to A4 are sequentially first to fourth preset water inflow, A1 is larger than A2 and smaller than A3 and smaller than A4, b1 to b4 are sequentially first to fourth preset stirring time lengths, b1 is larger than b2 and smaller than b3 and smaller than b4, c1 to c4 are sequentially first to fourth preset stirring rotating speeds, and c1 is larger than c2 and smaller than c3 and smaller than c4;
selecting a preset working condition matrix A as the working condition of the stirring device 4 according to the difference value between the flow speed information Delta G of the concrete raw materials flowing into the stirring device 4 and a preset value G0 of the flow speed of the set standard concrete raw materials;
when the delta G-G0 is not more than G1, selecting the first preset working condition matrix A1 as the working condition of the stirring device 4;
when G1 is less than delta G-G0 and less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the stirring device 4;
when G2 is less than delta G-G0 and less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the stirring device 4;
when G3 is less than delta G-G0 and less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the stirring device 4;
when the ith preset working condition matrix Ai is selected as the working condition of the stirring device 4, the control module controls the water spray nozzle 7 to work at the ith preset water inflow Ai, the control module also controls the stirring shaft 6 to work at the ith preset stirring time bi, and meanwhile, the control module also controls the stirring shaft 6 to work at the ith preset stirring rotating speed ci, i =1,2,3,4.
Furthermore, because the concrete raw materials usually have materials such as cement that meet water and easily generate heat in the water, can generate heat at the concrete raw materials at the stirring in-process, and the mobility of concrete raw materials is relevant with the temperature, through control agitating unit 4's operating parameter, just can control the temperature of concrete raw materials at the stirring in-process to can judge whether the mobility of concrete raw materials is up to standard, through control agitating unit 4's inflow, length and stirring rotational speed during the stirring, can effectively ensure the mobility of concrete raw materials.
In an embodiment of the application, a fine-grained pervious concrete mobile mixing device is provided, the processing module is further configured to set a temperature T1 of concrete raw materials in the first preset mixing device 4, a temperature T2 of concrete raw materials in the second preset mixing device 4, a temperature T3 of concrete raw materials in the third preset mixing device 4, and a temperature T4 of concrete raw materials in the fourth preset mixing device 4, and T1 < T2 < T3 < T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and less than 1;
the acquisition module is further configured to acquire the temperature Δ T of the concrete raw materials in the stirring apparatus 4 in real time, and the processing module is further configured to select a preset correction coefficient according to a relationship between the temperature Δ T of the concrete raw materials in the real-time stirring apparatus 4 and the temperature T of the concrete raw materials in each preset stirring apparatus 4 to correct the working condition in the ith preset working condition matrix Ai when the ith preset working condition matrix Ai is selected as the working condition of the stirring apparatus 4:
when the delta T is less than or equal to T1, not correcting the working condition in the ith preset working condition matrix Ai;
when T1 <. DELTA.T.ltoreq.T 2, selecting the first preset correction coefficient m1 to correct Ai to obtain Ai (Ai m1, bi m1, ci m 1);
when T2 is less than delta T and less than T3, selecting the second preset correction coefficient m2 to correct Ai to obtain Ai (Ai m2, bi m2, ci m 2);
when T3 is less than delta T and less than T4, selecting the third preset correction coefficient m3 to correct Ai to be Ai (Ai is m3, bi is m3, ci is m 3);
when T4 is less than delta T, selecting the fourth preset correction coefficient m4 to correct Ai to obtain Ai (Ai m4, bi m4, ci m 4).
Preferably, a temperature measuring sensor is arranged in the stirring device 4 and is used for detecting the temperature and concentration information of the concrete raw material in real time and feeding the information back to the acquisition module;
further, when the concentration of concrete raw materials is too high, the resistance that agitator motor 16 received can be great, and when compounding concentration was lower, the resistance that agitator motor 16 received can diminish, consequently revises according to the temperature of concrete raw materials the inflow of agitating unit 4, it is long and stirring rotational speed to stir to ensure the mobility of concrete raw materials.
In the embodiment of the application, a fine-grain type pervious concrete mobile mixing device is provided, and the acquisition module is further used for acquiring dust concentration information Δ S above the metering and batching device 2 in real time;
preferably, a dust concentration measuring sensor is arranged on the dust suppression device 3 and is used for detecting dust concentration information above the metering and batching device 2 in real time and feeding back the information to the acquisition module;
the dust concentration acquisition module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is larger than v2 and smaller than S3 and smaller than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially first to fourth preset injection quantities, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially first to fourth preset injection durations, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as a working condition of the dust suppression device 3 according to a difference value between dust concentration information deltaS above the metering and proportioning device 2 and a set standard dust concentration preset value G0;
when the delta S-S0 is not more than g1, selecting the first preset working condition matrix W1 as the working condition of the dust suppression device 3;
when S1 is smaller than delta S-S0 and is smaller than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust suppression device 3;
when S2 is less than delta S-S0 and less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust suppression device 3;
when S3 is less than delta S-S0 and is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust suppression device 3;
when the ith preset working condition matrix Wi is selected as the working condition of the dust suppression device 3, the control module controls the dry fog spray heads 9 to work at the ith preset injection quantity di, and sets the injection time length of the dry fog spray heads 9 to be the ith preset injection time length ei, i =1,2,3,4.
Furthermore, through detecting the dust concentration above the metering and proportioning device 2, the control unit 5 controls the injection amount and the injection duration in the dry fog nozzle 9 according to the falling amount of coal, so that the spray amount can be accurately controlled while water resources are not wasted, and a good dust suppression effect is achieved.
In an embodiment of the application, there is provided a fine grained pervious concrete mobile mixing plant, said mixing plant further comprising:
the water tank 11 is arranged in the accommodating space of the frame 1 and used for storing water sources;
and the water injection pipe 12 is connected between the water tank 11 and the stirring device 4 and the dust suppression device 3 and is used for supplying water to the stirring device 4 and the dust suppression device 3.
In the embodiment of the present application, a fine-grained pervious concrete mobile mixing device is provided, and a booster pump 13 is arranged on the water tank 11 and the water injection pipe 12 of the mixing device 4, and the booster pump 13 is used for pressurizing water flow.
Further, the booster pump 13 is used for providing pressure for water flow, and the water pressure generated by the water flow can remove concrete raw materials from being stuck in the stirring device 4.
In the embodiment of the application, a fine-grain type pervious concrete mobile mixing device is provided, wherein two stirring shafts 6 are arranged in the stirring device 4, and the two stirring shafts 6 are horizontally arranged and rotate in opposite directions.
Furthermore, the two stirring shafts 6 are arranged horizontally and in opposite rotation directions, so that the concrete raw materials are circularly stirred in the stirring device 4 along two directions, and the stirring efficiency is improved.
In the embodiment of the present application, there is provided a fine-grained type pervious concrete mobile mixing apparatus, and a plurality of the water injection ports 7 are provided between each of the agitating blades 8.
Furthermore, a plurality of water spray ports 7 are arranged among the stirring blades 8, so that water can be fully contacted, and the water and concrete raw materials are fully mixed.
In the embodiment of the application, a fine grain type pervious concrete mobile mixing device is provided, and moving wheels 14 are arranged below the vehicle frame 1 to move the vehicle frame 1.
To sum up, the embodiment of the invention provides a fine grain type pervious concrete moving and mixing device, which comprises a vehicle frame 1 which is of a frame structure, a containing space is arranged in the vehicle frame, a metering and batching device 2 is arranged at the upper part of the containing space of the vehicle frame 1 and used for metering the feeding amount of concrete, a dust suppression device 3 is arranged right above the metering and batching device 2 and used for removing dust above the metering and batching device 2, a mixing device 4 is arranged at the lower part of the containing space of the vehicle frame 1 and used for mixing the concrete, and a control unit 5 is arranged on the vehicle frame 1 and used for automatically controlling the dust suppression device 3 and the mixing device 4 to work.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fine grained pervious concrete mobile mixing plant, characterized in that it comprises:
the frame is of a frame structure, and an accommodating space is arranged in the frame structure;
the metering and batching device is arranged at the upper part of the accommodating space of the frame and is used for metering the feeding amount of concrete;
the dust suppression device is arranged right above the metering and proportioning device and is used for removing dust above the metering and proportioning device;
the stirring device is arranged at the lower part of the accommodating space of the frame and is used for stirring concrete;
and the control unit is arranged in the accommodating space of the frame and is used for automatically controlling the dust suppression device and the stirring device to work.
2. A particulate permeable concrete mobile mixing apparatus according to claim 1, wherein said mixing means includes:
the stirring shaft is arranged in the stirring device, and stirring blades are arranged on the stirring shaft;
the water spray nozzle is arranged on the inner wall of the stirring device and is used for spraying high-pressure water flow;
the dust suppression device includes:
the dust suppression cover is arranged at the inlet of the metering and batching device and is of a cavity structure with an opening;
the dry fog spray head is arranged in the cavity of the dust suppression cover and is used for suppressing the spray of dry fog to suppress dust;
the control unit comprises an acquisition module, a processing module and a control module.
3. A cellular pervious concrete moving and mixing plant as claimed in claim 2, wherein,
the acquisition module is used for acquiring the flow speed information delta G of the concrete raw materials flowing into the stirring device in real time, and the control module is used for controlling the stirring device;
the processing module is used for setting a standard concrete raw material flow speed preset value G0, and is also used for setting a first preset concrete raw material flow speed difference value G1, a second preset concrete raw material flow speed difference value G2, a third preset concrete raw material flow speed difference value G3 and a fourth preset concrete raw material flow speed difference value G4, wherein G1 is more than G2 and more than G3 and more than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b1, c 1), a second preset working condition matrix A2 (A2, b2, c 2), a third preset working condition matrix A3 (A3, b3, c 3) and a fourth preset working condition matrix A4 (A4, b4, c 4), wherein A1 to A4 are first to fourth preset water inflow in sequence, A1 is larger than A2 and smaller than A3 and smaller than A4, b1 to b4 are first to fourth preset stirring time lengths in sequence, b1 is larger than b2 and smaller than b3 and smaller than b4, c1 to c4 are first to fourth preset stirring rotating speeds in sequence, and c1 is larger than c2 and smaller than c3 and smaller than c4;
selecting a preset working condition matrix A as the working condition of the stirring device according to the difference value between the flow velocity information delta G of the concrete raw material flowing into the stirring device and a preset value G0 of the flow velocity of the set standard concrete raw material;
when delta G-G0 is not more than G1, selecting the first preset working condition matrix A1 as the working condition of the stirring device;
when G1 is less than delta G-G0 and less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the stirring device;
when G2 is less than delta G-G0 and less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the stirring device;
when G3 is less than delta G-G0 and less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the stirring device;
when the ith preset working condition matrix Ai is selected as the working condition of the stirring device, the control module controls the water spray nozzle to work at the ith preset water inflow Ai, the control module also controls the stirring shaft to work at the ith preset stirring time bi, and meanwhile, the control module also controls the stirring shaft to work at the ith preset stirring rotating speed ci, wherein i =1,2,3,4.
4. A cellular pervious concrete moving and mixing plant as claimed in claim 3, wherein,
the processing module is also used for setting the temperature T1 of the concrete raw material in the first preset stirring device, the temperature T2 of the concrete raw material in the second preset stirring device, the temperature T3 of the concrete raw material in the third preset stirring device and the temperature T4 of the concrete raw material in the fourth preset stirring device, wherein T1 is more than T2 and less than T3 and less than T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and less than 1;
the acquisition module is further used for acquiring the temperature delta T of the concrete raw materials in the stirring devices in real time, and the processing module is further used for selecting preset correction coefficients according to the relationship between the temperature delta T of the concrete raw materials in the real-time stirring devices and the temperature T of the concrete raw materials in each preset stirring device when the ith preset working condition matrix Ai is selected as the working condition of the stirring devices so as to correct the working condition in the ith preset working condition matrix Ai:
when the delta T is less than or equal to T1, not correcting the working condition in the ith preset working condition matrix Ai;
when T1 is less than delta T and less than T2, selecting the first preset correction coefficient m1 to correct Ai to obtain Ai (Ai m1, bi m1, ci m 1);
when T2 <. DELTA.T.ltoreq.T 3, selecting the second preset correction coefficient m2 to correct Ai to obtain Ai (Ai & m2, bi & m2, ci & m 2);
when T3 is less than delta T and less than T4, selecting the third preset correction coefficient m3 to correct Ai to obtain Ai (Ai m3, bi m3, ci m 3);
when T4 is less than delta T, selecting the fourth preset correction coefficient m4 to correct Ai to be Ai (Ai is m4, bi is m4, ci is m 4).
5. A cellular pervious concrete moving and mixing plant as claimed in claim 2, wherein,
the collecting module is also used for collecting dust concentration information Delta S above the metering and batching device in real time;
the collection module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is more than v2 and more than S3 and more than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially first to fourth preset injection quantities, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially first to fourth preset injection durations, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as the working condition of the dust suppression device according to the difference value between the dust concentration information Delta S above the metering and proportioning device and a preset value G0 of the set standard dust concentration;
when the delta S-S0 is not more than g1, selecting the first preset working condition matrix W1 as the working condition of the dust suppression device;
when S1 is smaller than delta S-S0 and is smaller than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust suppression device;
when S2 is less than delta S-S0 and less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust suppression device;
when S3 is less than delta S-S0 and is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust suppression device;
when the ith preset working condition matrix Wi is selected as the working condition of the dust suppression device, the control module controls the dry fog spray head to work at the ith preset injection quantity di, and the injection time length of the dry fog spray head is set as the ith preset injection time length ei, i =1,2,3,4.
6. A particulate, pervious concrete mobile amalgamation apparatus as claimed in claim 1, wherein said amalgamation apparatus further comprises:
the water tank is arranged in the accommodating space of the frame and used for storing a water source;
and the water injection pipe is connected between the water tank and the stirring device and between the water tank and the dust suppression device and is used for supplying water to the stirring device and the dust suppression device.
7. A fine grained pervious concrete mobile mixing plant according to claim 6,
and a booster water pump is arranged on the water tank and the water injection pipe of the stirring device and is used for pressurizing water flow.
8. The moving mixing apparatus for fine grained pervious concrete according to claim 2, wherein two stirring shafts are arranged in said stirring device, and said two stirring shafts are horizontally arranged and rotate in opposite directions.
9. A cellular type pervious concrete mobile mixing apparatus according to claim 2, wherein a plurality of said water jets are provided between each of said agitator blades.
10. The fine grained pervious concrete mobile mixing plant according to claim 1, wherein moving wheels are arranged below the frame to move the frame.
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| CN202210808354.3A CN115284451A (en) | 2022-07-08 | 2022-07-08 | Fine grain formula concrete that permeates water removes mixing equipment |
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