CN111857204B - Mass concrete water circulation informatization temperature control testing method - Google Patents
Mass concrete water circulation informatization temperature control testing method Download PDFInfo
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- CN111857204B CN111857204B CN202010649773.8A CN202010649773A CN111857204B CN 111857204 B CN111857204 B CN 111857204B CN 202010649773 A CN202010649773 A CN 202010649773A CN 111857204 B CN111857204 B CN 111857204B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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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
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a mass concrete water circulation informationized temperature control testing method, which comprises the following steps: embedding the vertical pipe, the tee joint and the transverse pipe into the concrete; step two: embedding the two groups of temperature measuring devices into the concrete and the surface of the concrete respectively; step three: temperature information fed back by the temperature measuring device; step four: the water temperature control box independently adjusts the temperature of water liquid conveyed to the interior and the surface of the concrete according to the difference of the temperature of the interior and the exterior of the concrete; step five: injecting the water liquid regulated by the water temperature control box into the vertical pipe, the tee joint and the transverse pipe to independently cool the interior of the concrete; step six: collecting the water liquid through a pipeline after cooling, and storing the water liquid through a reservoir after collecting; step seven: and performing back flushing treatment on the filter screen covered by the heat dissipation micropores at the pipeline through a back flushing device. The invention can effectively avoid the phenomenon of micropore blockage caused by concrete scraps gathering at the radiating micropores.
Description
Technical Field
The invention belongs to the technical field related to civil engineering construction, and particularly relates to a mass concrete water circulation informationized temperature control testing method.
Background
Civil engineering is a scientific and technological system for building various land engineering facilities, which refers to applied materials, equipment, technical activities such as surveying, designing, constructing, maintaining and repairing, and also refers to objects of engineering construction, i.e. various engineering facilities which are built on the ground or underground or on land and directly or indirectly serve human life, production, military and scientific research.
The existing concrete water circulation informatization temperature control testing method has the following problems: the surface heat of the concrete is diffused quickly, the central heat is diffused slowly, the temperature of the surface of the concrete is lower than that of the concrete inside, the surface of the concrete is easy to generate tensile stress caused by temperature difference, the generation of the tensile stress can cause the concrete to generate a crack phenomenon under the expansion force, and most of cracks of the mass concrete are surface cracks at first, but a part of the cracks can be developed into deep cracks or even penetrating cracks later, so that the use safety and the service life of the concrete are seriously influenced.
Disclosure of Invention
The invention aims to provide a water circulation information temperature control testing method for mass concrete, which aims to solve the problems that the prior art proposes that the surface heat of the concrete is quickly dissipated and the central heat is slowly dissipated, the surface of the concrete is lower than the temperature of the concrete inside, the surface of the concrete is easy to generate tensile stress caused by temperature difference, the generation of the tensile stress can cause the concrete to generate cracks under the expansion force, and the cracks of the mass concrete are mostly surface cracks at first, but one part of the cracks can be developed into deep cracks or even penetrating cracks later, so that the use safety and the service life of the concrete are seriously influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
a mass concrete water circulation informatization temperature control testing method adopts a mass concrete water circulation informatization temperature control system to operate, the mass concrete water circulation informatization temperature control system comprises a reservoir and a water temperature control box, the reservoir is respectively connected with the water temperature control box and a backflushing device through pipelines, the water temperature control box and the backflushing device are jointly connected to the mass concrete temperature control device through pipelines, the mass concrete temperature control device is connected with the reservoir through a pipeline, a temperature measuring device is attached to the surface of the mass concrete temperature control device and is in signal connection with an informatization control platform through a wire, the informatization control platform is in signal connection with the water temperature control box through a wire, and the mass concrete temperature control device comprises a filter screen, a vertical pipe, a heat dissipation micropore, a temperature control device and a temperature control device Tee bend, horizontal pipe and surface spray the overlay, the top port department of tee bend is to having the riser, both ends are to having horizontal pipe about the tee bend, the surface of riser, tee bend and horizontal pipe evenly runs through there is the heat dissipation micropore, the surface coating of riser, tee bend and horizontal pipe has the filter screen, the surface sprays the overlay and covers in the surface department of concrete.
The operation steps are as follows:
the method comprises the following steps: embedding the vertical pipe, the tee joint and the transverse pipe into the concrete, and covering the surface spraying covering plate on the peripheral surface of the concrete;
step two: embedding the two groups of temperature measuring devices into the concrete and the surface of the concrete respectively;
step three: the temperature information fed back by the temperature measuring device is used for transmitting a control signal to the water temperature control box through regulation and control of the informatization management and control platform;
step four: the water temperature control box independently adjusts the temperature of water liquid conveyed to the interior and the surface of the concrete through a heating and cooling device according to the difference of the temperature of the interior and the exterior of the concrete;
step five: injecting the water liquid adjusted by the water temperature control box into the vertical pipe, the tee joint and the transverse pipe to independently cool the interior of the concrete, and injecting the water liquid adjusted by the water temperature control box into the surface spraying covering plate to independently cool the surface of the concrete;
step six: collecting the water liquid through a pipeline after cooling, and storing the water liquid through a reservoir after collecting;
step seven: after the interior of the concrete is cooled through the vertical pipe, the tee joint and the transverse pipe, the filter screen covered by the heat dissipation micropores at the pipeline is subjected to back flushing treatment through the back flushing device.
Preferably, the riser, tee and cross pipe extend through the interior of the concrete.
Preferably, the water reservoir is cast by using C30 concrete, and the size of the water reservoir is 20X 3 m.
Preferably, the temperature control box adopts the cooling and heating all-in-one machine to heat up and cool down, be dynamic temperature adjustment setting between bulky concrete temperature control device, temperature measuring device, information management and control platform and the temperature control box.
Preferably, two sets of temperature sensors are arranged at the large-volume concrete temperature control device, the temperature sensors are arranged in the concrete of the large-volume concrete temperature control device, and the temperature sensors are arranged on the surface of the concrete of the large-volume concrete temperature control device.
Preferably, the backflushing device is communicated and connected with the vertical pipe, the tee joint and the transverse pipe through pipelines.
Preferably, two groups of pipelines are arranged at the water temperature control box, one group of pipelines at the water temperature control box is connected to the surface spraying covering plate, the other group of pipelines at the water temperature control box is connected to the vertical pipe, the tee joint and the transverse pipe, and the two groups of pipelines at the water temperature control box are in independent water temperature control setting.
Compared with the prior art, the invention provides a mass concrete water circulation informatization temperature control system and a temperature measurement method thereof, and the mass concrete water circulation informatization temperature control system has the following beneficial effects:
1. the invention adopts the internal and external independent radiating assemblies to independently radiate the inside and the outside of the concrete, and in the radiating process, the temperature of radiating water liquid is regulated in real time under the regulation of the information control platform through real-time temperature monitoring, so that the phenomenon of concrete crack caused by the difference of the internal temperature and the external temperature of the concrete is avoided.
2. The invention adopts the backflushing device to backflush the filter screen covered at the radiating micropores, and the treatment mode can effectively avoid the blockage phenomenon of the micropores caused by concrete fragments gathering at the radiating micropores.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic overall flow chart of a mass concrete water circulation informatization temperature control system provided by the invention;
fig. 2 is a schematic structural diagram of a concrete internal heat dissipation assembly in a mass concrete water circulation information temperature control system according to the present invention;
fig. 3 is a schematic structural diagram of a concrete surface heat dissipation assembly in a mass concrete water circulation information temperature control system according to the present invention;
FIG. 4 is a schematic view of the operation flow of a backflushing device in a mass concrete water circulation information temperature control system according to the present invention;
in the figure: 1. a reservoir; 2. a water temperature control tank; 3. a bulk concrete temperature control device; 4. a backflushing device; 5. a temperature measuring device; 6. an informatization management and control platform; 31. filtering with a screen; 32. a riser; 33. heat dissipation micropores; 34. a tee joint; 35. a transverse tube; 36. the surface is sprayed on the covering plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention provides a mass concrete water circulation informatization temperature control system and a temperature measurement method thereof, wherein the mass concrete water circulation informatization temperature control system comprises the following steps:
a mass concrete water circulation informatization temperature control system comprises a reservoir 1 and a water temperature control box 2, wherein the reservoir 1 is respectively connected with the water temperature control box 2 and a recoil device 4 through pipelines, the water temperature control box 2 and the recoil device 4 are jointly connected with the mass concrete temperature control device 3 through pipelines, the mass concrete temperature control device 3 is connected with the reservoir 1 through a pipeline, a temperature measuring device 5 is attached to the surface of the mass concrete temperature control device 3, the temperature measuring device 5 is in signal connection with an informatization control platform 6 through a wire, the informatization control platform 6 is in signal connection with the water temperature control box 2 through a wire, the water temperature control box 2 adopts a cooling and heating integrated machine to carry out heating and cooling operation, the mass concrete temperature control device 3 and the temperature measuring device 5, the informatization management and control platform 6 and the water temperature control box 2 are in dynamic temperature regulation setting.
The utility model provides a bulky concrete hydrologic cycle informatization temperature control system, be provided with two sets of temperature sensor including bulky concrete temperature control device 3 departments altogether, bulky concrete temperature control device 3 is being located the inside temperature sensor that is provided with of concrete, bulky concrete temperature control device 3 is being located the concrete surface and is being provided with temperature sensor, 2 departments of temperature control box are provided with two sets of pipelines, 2 departments of temperature control box are a set of pipe connections in the surface and spray overlay 36 departments, 2 departments of temperature control box are another group of pipe connections in riser 32, tee bend 34 and horizontal pipe 35 departments, 2 two sets of pipelines of department setting of temperature control box are the independent management and control setting of temperature.
A mass concrete water circulation informatization temperature control system comprises a mass concrete temperature control device 3, wherein the mass concrete temperature control device comprises a filter screen 31, a vertical pipe 32, heat dissipation micropores 33, a tee joint 34, a transverse pipe 35 and a surface spraying cover plate 36, the vertical pipe 32 is connected to the top end of the tee joint 34 in a butt joint mode, the transverse pipe 35 is connected to the left end and the right end of the tee joint 34 in a butt joint mode, the heat dissipation micropores 33 evenly penetrate through the surfaces of the vertical pipe 32, the tee joint 34 and the transverse pipe 35, the filter screen 31 wraps the surfaces of the vertical pipe 32, the tee joint 34 and the transverse pipe 35, the vertical pipe 32, the tee joint 34 and the transverse pipe 35 penetrate through the interior of concrete, and a backflushing device 4 is communicated and connected with the vertical pipe 32, the tee joint 34 and the transverse pipe 35 through pipelines.
A mass concrete water circulation informatization temperature control testing method adopts a mass concrete water circulation informatization temperature control system to operate, and the specific operation steps are as follows:
the method comprises the following steps: embedding the vertical pipe, the tee joint and the transverse pipe into the concrete, and covering the surface spraying covering plate on the peripheral surface of the concrete;
step two: embedding the two groups of temperature measuring devices into the concrete and the surface of the concrete respectively;
step three: the temperature information fed back by the temperature measuring device is used for transmitting a control signal to the water temperature control box through regulation and control of the informatization management and control platform;
step four: the water temperature control box independently adjusts the temperature of water liquid conveyed to the interior and the surface of the concrete through a heating and cooling device according to the difference of the temperature of the interior and the exterior of the concrete;
step five: injecting the water liquid adjusted by the water temperature control box into the vertical pipe, the tee joint and the transverse pipe to independently cool the interior of the concrete, and injecting the water liquid adjusted by the water temperature control box into the surface spraying covering plate to independently cool the surface of the concrete;
step six: collecting the water liquid through a pipeline after cooling, and storing the water liquid through a reservoir after collecting;
step seven: after the interior of the concrete is cooled through the vertical pipe, the tee joint and the transverse pipe, the filter screen covered by the heat dissipation micropores at the pipeline is backflushed through the backflushing device.
The working principle and the using process of the invention are as follows: the vertical pipe 32, the tee joint 34 and the transverse pipe 35 are embedded into concrete, the surface spraying covering plate 36 covers the peripheral surface of the concrete, after the temperature reduction assembly is arranged, two groups of temperature measuring devices 5 are respectively embedded into the concrete and the surface of the concrete, then the temperature information fed back by the temperature measuring devices 5 is regulated and controlled by the information control platform 6 to transmit a control signal to the water temperature control box 2, then the water temperature control box 2 carries out independent temperature regulation on water liquid transmitted into the concrete and the surface of the concrete through temperature raising and reducing equipment according to the difference of the internal temperature and the external temperature of the concrete, and after the water temperature is independently regulated, the water liquid is injected into the vertical pipe 32, the tee joint 34 and the transverse pipe 35 (the pipelines are provided with heat dissipation micropores 33, the heat dissipation micropores 33 lead the water liquid to the surface of the concrete, and further in the process of water liquid flow, heat dissipation operation is carried out to the heat carried during the contact), independent cooling treatment is carried out to the concrete inside, water liquid is injected into the surface spraying covering plate 36 (the surface spraying covering plate 36 sprays water liquid to the outer surface of the concrete through the spraying holes arranged on the surface to achieve the surface cooling purpose), independent cooling treatment is carried out to the concrete surface, and the water liquid is collected through a pipeline after cooling to complete the water liquid circulation purpose.
The use process of the backflushing device comprises the following steps: in the process of radiating the inside of concrete, because of heat dissipation micropore 33 rivers activity is comparatively intensive, and then the garrulous bits of concrete that easily appear gathers in the filter screen 31 surface that heat dissipation micropore 33 covered, the appearance of this phenomenon can reduce rivers flow velocity by a wide margin, lead to the radiating efficiency big discount problem, need assist filter screen 31 through recoil device 4 and clear up the operation, the recoil pump carries out the imbibition operation from cistern 1 during the clearance, and when imbibition to a certain magnitude, through to the pipeline high pressure rivers that send out promptly, force rivers to carry out the high flow to the filter screen 31 that heat dissipation micropore 33 covered and strike, pile up the piece after the impact and be dispersed, and then reach the high-efficient recoil cleaning operation of filter screen 31.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a bulky concrete hydrologic cycle informatization control by temperature change test method which characterized in that adopts a bulky concrete hydrologic cycle informatization control by temperature change system to carry out the operation, a bulky concrete hydrologic cycle informatization control by temperature change system, including cistern (1) and temperature control box (2), its characterized in that: the concrete temperature control device is characterized in that the water storage pool (1) is respectively connected with a water temperature control box (2) and a recoil device (4) through pipelines, the water temperature control box (2) and the recoil device (4) are jointly connected to a large-volume concrete temperature control device (3) through pipelines, the large-volume concrete temperature control device (3) is connected with the water storage pool (1) through pipelines, a temperature measuring device (5) is attached to the surface of the large-volume concrete temperature control device (3), the temperature measuring device (5) is in signal connection with an information control platform (6) through wires, the information control platform (6) is in signal connection with the water temperature control box (2) through wires, the large-volume concrete temperature control device (3) comprises a filter screen (31), a vertical pipe (32), a heat dissipation micropore (33), a tee joint (34), a transverse pipe (35) and a surface spraying covering plate (36), a vertical pipe (32) is butted at the port of the top end of the tee joint (34), transverse pipes (35) are butted at the left end and the right end of the tee joint (34), heat dissipation micropores (33) are uniformly penetrated through the surfaces of the vertical pipe (32), the tee joint (34) and the transverse pipes (35), a filter screen (31) is wrapped on the surfaces of the vertical pipe (32), the tee joint (34) and the transverse pipes (35), and the surface spraying covering plate (36) covers the surface of concrete;
the operation steps are as follows:
the method comprises the following steps: embedding the vertical pipe, the tee joint and the transverse pipe into the concrete, and covering the surface spraying covering plate on the peripheral surface of the concrete;
step two: embedding the two groups of temperature measuring devices into the concrete and the surface of the concrete respectively;
step three: the temperature information fed back by the temperature measuring device is used for transmitting a control signal to the water temperature control box through regulation and control of the informatization management and control platform;
step four: the water temperature control box independently adjusts the temperature of water liquid conveyed to the interior and the surface of the concrete through a temperature raising and reducing device according to the difference of the temperature of the interior and the exterior of the concrete;
step five: injecting the water liquid regulated by the water temperature control box into the vertical pipe, the tee joint and the transverse pipe to independently cool the interior of the concrete, and injecting the water liquid regulated by the water temperature control box into the surface spraying covering plate to independently cool the surface of the concrete;
step six: collecting the water liquid through a pipeline after cooling, and storing the water liquid through a reservoir after collection;
step seven: after the interior of the concrete is cooled through the vertical pipe, the tee joint and the transverse pipe, a filter screen covered by the heat dissipation micropores at the pipeline is subjected to back flushing treatment through a back flushing device;
the use process of the backflushing device comprises the following steps: in the process of radiating the interior of concrete, because water flow at the radiating micropores (33) is dense, concrete scraps are easy to gather on the surface of a filter screen (31) covered by the radiating micropores (33), the flow speed of the water flow can be greatly reduced due to the phenomenon, and the radiating efficiency is greatly reduced, so that a backflushing device (4) is needed to assist the filter screen (31) to carry out cleaning operation, a backflushing pump carries out liquid suction operation from a reservoir (1) during cleaning, and when the liquid suction reaches a certain magnitude, high-pressure water flow is instantaneously sent to a pipeline to force the water flow to carry out high-flow impact on the filter screen (31) covered by the radiating micropores (33), and the accumulated scraps are dispersed after the impact, so that the efficient backflushing cleaning operation of the filter screen (31) is achieved;
the vertical pipe (32), the tee joint (34) and the transverse pipe (35) penetrate into the concrete;
the water storage pool (1) is cast by C30 concrete, and the size of the water storage pool (1) is 20 multiplied by 3 m;
the water temperature control box (2) adopts a cooling and heating integrated machine to carry out heating and cooling operation, and the large-volume concrete temperature control device (3), the temperature measuring device (5), the informatization management and control platform (6) and the water temperature control box (2) are in dynamic temperature regulation arrangement;
two groups of temperature sensors are arranged at the large-volume concrete temperature control device (3), the large-volume concrete temperature control device (3) is provided with the temperature sensors inside concrete, and the large-volume concrete temperature control device (3) is provided with the temperature sensors on the surface of the concrete;
the backflushing device (4) is communicated and connected with the vertical pipe (32), the tee joint (34) and the transverse pipe (35) through pipelines;
the water temperature control box is characterized in that two groups of pipelines are arranged at the position of the water temperature control box (2), one group of pipelines at the position of the water temperature control box (2) are connected to the position of a surface spraying covering plate (36), the other group of pipelines at the position of the water temperature control box (2) are connected to a vertical pipe (32), a tee joint (34) and a transverse pipe (35), and the two groups of pipelines at the position of the water temperature control box (2) are in water temperature independent control setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010649773.8A CN111857204B (en) | 2020-07-07 | 2020-07-07 | Mass concrete water circulation informatization temperature control testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010649773.8A CN111857204B (en) | 2020-07-07 | 2020-07-07 | Mass concrete water circulation informatization temperature control testing method |
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| CN111857204A CN111857204A (en) | 2020-10-30 |
| CN111857204B true CN111857204B (en) | 2022-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207526123U (en) * | 2017-10-11 | 2018-06-22 | 张启志 | A kind of new concrete intelligent temperature control device |
| CN208705748U (en) * | 2018-10-27 | 2019-04-05 | 中铁十一局集团第一工程有限公司 | A kind of mass concrete intelligent temperature control device |
| CN210194852U (en) * | 2019-05-29 | 2020-03-27 | 苏州世铖元润环保技术有限公司 | Integrated pump station with sludge separation function |
| CN209746436U (en) * | 2019-06-24 | 2019-12-06 | 舜元建设(集团)有限公司 | Mass concrete water circulation informationized temperature control system |
| CN110359458B (en) * | 2019-07-17 | 2021-06-15 | 长江水利委员会长江科学院 | Intelligent protection management system for mass concrete |
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