CN210086862U - Special system for heating and cooling concrete - Google Patents
Special system for heating and cooling concrete Download PDFInfo
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- CN210086862U CN210086862U CN201920442837.XU CN201920442837U CN210086862U CN 210086862 U CN210086862 U CN 210086862U CN 201920442837 U CN201920442837 U CN 201920442837U CN 210086862 U CN210086862 U CN 210086862U
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Abstract
The utility model discloses a special system for concrete temperature increase and decrease, which comprises a cold water tank, a hot water tank, a cooling pipe, a heating pipe, a temperature measuring element, a circulating unit and a control system, wherein the cooling pipe, the heating pipe, the temperature measuring element, the circulating unit and the control system are pre-buried in the concrete; the cooling pipe and the heating pipe are arranged in the concrete layer by layer; the system achieves the purpose of reducing the temperature difference of the inner surface of the concrete and preventing the concrete from cracking by introducing cold water or hot water into the cooling pipe and the heating pipe, integrates cooling and heating functions, can be effectively applied to high-heat or high-cold construction environments, has good cooling or heating effect, high energy utilization rate and wide application range, can set different construction schemes according to different construction environment temperatures, and has high degree of automation.
Description
Technical Field
The utility model belongs to the technical field of the concrete maintenance and specifically relates to a concrete goes up and down to warm dedicated system is related to.
Background
With the high-speed development of concrete construction in China, the requirements on the concrete quality are higher and higher. In the process of pouring concrete, in the initial stage of concrete hardening, hydration heat in the concrete is not easy to dissipate, so that the temperature difference between the inside and the outside of the concrete is large, the shrinkage of the concrete is inconsistent, the concrete has large temperature stress, cracks are easy to generate, and the quality of the concrete is reduced. Meanwhile, when construction is carried out in alpine regions or in low-temperature seasons, the low temperature can weaken the hydration of cement and even cause that frozen water cannot be combined with the cement, and the concrete is hardened slowly, so that the strength of the concrete is influenced or the strength and the durability of the concrete are lost. If the problems are not properly solved, the construction period is delayed, manpower and material resources are wasted, and serious quality accidents are caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a concrete goes up and down special system that heats, concrete goes up and down special system that heats and cooling function in an organic whole to can realize automaticly, fine solution high temperature and high and cold environment to the influence problem of concrete sclerosis.
For this purpose, the utility model provides a concrete goes up and down special system that heats, it includes: the system comprises a cold water tank, a hot water tank, a cooling pipe and a heating pipe which are pre-embedded in concrete, a temperature measuring unit, a circulating power unit and a control system; the cooling pipe and the heating pipe are arranged inside and outside the concrete layer by layer, the heating pipe is arranged outside the cooling pipe relatively, the heating pipe on the outermost layer is arranged on the surface of the concrete, the cooling pipe and the heating pipe adopt water circulation, the cooling pipe comprises a cooling inner pipe and a cooling outer pipe, water in the cooling inner pipe and water in the cooling outer pipe exchange heat with each other and flow in opposite directions, the heating pipe comprises a heating inner pipe and a heating outer pipe, and water in the heating outer pipe and water in the heating inner pipe exchange heat with each other and flow in opposite directions; the hot water tank is used for supplying hot water to the heating pipe and comprises a first hot water tank and a second hot water tank, a first partition plate is arranged in the first hot water tank, the first hot water tank is divided into an upper hot water tank and a lower hot water tank, the upper hot water tank is communicated with the lower hot water tank through a first water through pipe, a first water level control valve is arranged on the first water through pipe, a first water level sensor is arranged in the upper hot water tank, and a first heating and heat-preserving device and a second heating and heat-preserving device are respectively arranged in the lower hot water tank and the second hot water tank; the cold water tank is used for providing cold water for the cooling pipe and comprises a first cold water tank and a second cold water tank, a second partition plate is arranged in the first cold water tank, the first cold water tank is divided into an upper cold water tank and a lower cold water tank, the upper cold water tank is communicated with the lower cold water tank through a second water through pipe, a second water level control valve is arranged on the second water through pipe, a second water level sensor is arranged in the upper cold water tank, a first cooling device is arranged in the lower cold water tank, and a second cooling device is arranged in the second cold water tank; the circulating power unit comprises a cooling circulating power unit and a heating circulating power unit, the cooling circulating unit is used for sequentially connecting the second cold water tank, the cooling outer pipe and the upper cold water tank to form an outer cold water circulation, sequentially connecting the second cold water tank, the cooling inner pipe and the upper cold water tank to form an inner cold water circulation, and providing power for the outer cold water circulation and the inner cold water circulation; the heating circulation power unit is used for sequentially connecting the second hot water tank, the heating outer pipe and the upper hot water tank to form external hot water circulation, and sequentially connecting the second hot water tank, the heating inner pipe and the upper hot water tank to form internal hot water circulation and provide power for the external hot water circulation and the internal hot water circulation; the temperature measuring unit comprises temperature sensors which are arranged in the lower hot water tank, the second hot water tank, the lower cold water tank, the second cold water tank, the surface of the concrete and the interior of the concrete and are used for detecting the temperature of the corresponding positions of the temperature sensors; and the control system comprises a controller and a human-computer interaction interface and is used for analyzing and receiving temperature data detected by each temperature sensor and water level data of the first water level sensor and the second water level sensor and controlling the on-off of the first heating and heat-insulating device, the second heating and heat-insulating device, the first cooling device, the second cooling device and the circulating power unit.
Preferably, the heating cycle power unit comprises a plurality of external hot water inlet pipe joints and a plurality of internal hot water inlet pipe joints which are arranged on the second hot water tank, an external hot water inlet pipe which connects the external hot water inlet pipe joints with the heating outer pipe, an internal hot water inlet pipe which connects the internal hot water inlet pipe joints with the heating inner pipe, a plurality of external hot water outlet pipe joints and a plurality of internal hot water outlet pipe joints which are arranged on the upper hot water tank, an external hot water outlet pipe which connects the heating outer pipe with the external hot water outlet pipe joints, an internal hot water outlet pipe which connects the heating inner pipe with the internal hot water outlet pipe joints, and a first connecting pipe which connects the lower hot water tank with the second hot water tank; the cooling circulation power unit comprises a plurality of external cold water inlet pipe joints and a plurality of internal cold water inlet pipe joints which are arranged on the second cold water tank, an external cold water inlet pipe connected with the external cold water inlet pipe joints and the cooling outer pipe, an internal cold water inlet pipe connected with the internal cold water inlet pipe joints and the cooling inner pipe, a plurality of external cold water outlet pipe joints and a plurality of internal cold water outlet pipe joints which are arranged on the upper cold water tank, an external cold water outlet pipe connected with the cooling outer pipe and the external cold water outlet pipe joints, an internal cold water outlet pipe connected with the cooling inner pipe and the internal cold water outlet pipe joints, and a second connecting pipe connected with the lower cold water tank and the second cold water tank; the outer hot water inlet pipe joint, the inner hot water inlet pipe joint and the first connecting pipe of the heating circulation power unit, and the outer cold water inlet pipe joint, the inner cold water inlet pipe joint and the second connecting pipe of the cooling circulation power unit are all provided with a booster pump and an electromagnetic valve corresponding to the booster pump.
Preferably, a heat exchanger is arranged between the inner cooling water outlet pipe and the outer cooling water inlet pipe, between the inner cooling water inlet pipe and the outer cooling water outlet pipe, between the inner heating water outlet pipe and the outer heating water inlet pipe, and between the inner heating water inlet pipe and the outer heating water outlet pipe.
Preferably, the two ends of the cooling pipe and the heating pipe are respectively provided with a reducing tee, the outer diameters of the cooling inner pipe and the heating inner pipe are matched with the inner diameter of the reducing tee, the two ends of the cooling inner pipe penetrate through the reducing corresponding to the reducing tee to be respectively connected with the inner cold water inlet pipe and the inner cold water outlet pipe, and the two ends of the heating inner pipe penetrate through the reducing corresponding to the reducing tee to be respectively connected with the inner hot water inlet pipe and the inner hot water outlet pipe.
Preferably, the upper cold water tank and the upper hot water tank are both provided with a filter screen for filtering impurities in water.
Preferably, the cooling pipe and the heating pipe are arranged in the concrete in a serpentine shape, the interlayer distance between the heating pipes and the interlayer distance between the cooling pipes are both 1.0-1.5 m, the cooling pipe and the heating pipe are arranged in a laminated manner, and when the height of the concrete is smaller than 2m, three layers of the cooling pipe and the heating pipe are uniformly arranged according to the height of the concrete.
Further preferably, the temperature sensor in the concrete is arranged in a manner that a vertical point corresponds to the cooling pipe and the heating pipe, the distance is measured horizontally by 2.5m, the temperature sensor is arranged in a manner that the temperature sensor is unfolded with the center of the concrete and is unfolded with the center on the surface of the concrete, and the distance is measured horizontally by 2.5 m.
The utility model also provides an intelligent control method of concrete heating and cooling special system, it by concrete heating and cooling special system implements, and it is right the inside mode that carries out the control by temperature change of concrete includes interior cooling mode and interior heating mode, right the outside mode that carries out the control by temperature change of concrete includes outer cooling mode and outer heating mode, concrete heating and cooling special system's intelligent control method includes following step:
step 1: injecting water into the upper hot water tank and the lower hot water tank through an external water source within a preset time period before the concrete is subjected to temperature control maintenance;
step 2: at intervals of T, the temperature sensors arranged on the surface of the concrete and in the concrete detect the temperature T of the surface of the concrete1Internal temperature T of concretenAnd measuring the concrete surface temperature T1Internal temperature T of concretenTo the controller;
and step 3: the controller judges the concrete surface temperature T in the step 21And the first concrete temperature set valueTS1If the concrete surface temperature T1Is greater than the first concrete temperature set value TS1Entering step 4, if the concrete surface temperature T1Is less than the first concrete temperature set value TS1Entering step 5;
and 4, step 4: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1, if the temperature T in the concretenIs greater than the first concrete temperature set value TS1The special concrete temperature raising and reducing system enters an inner temperature reducing mode and an outer temperature reducing mode, the inner temperature reducing mode opens the electromagnetic valve and the booster pump arranged on the outer cold water inlet pipe connector and the inner cold water inlet pipe connector inside the concrete, and the second water level sensor detects the water level S of the upper cold water tank in real timeC1When the water level S of the upper cold water tankC1Greater than the set value S of the water level of the cold waterCEven if the second level control valve is kept open for a period of time t1When water enters the lower cold water tank, a temperature sensor in the lower cold water tank detects the water temperature T of the lower cold water tank in real timeC1And the water temperature T of the lower cold water tankC1The water temperature T of the lower cold water tank is judged by the controllerC1With the set value T of the temperature of the cold waterCIf the water temperature T of the lower cold water tankC1Greater than the set value T of the cold water temperatureCThen the first cooling device is started, if the water temperature T of the lower cold water tank is lowerC1Less than the set value T of the cold water temperatureCIf the first cooling device is closed, the electromagnetic valve on the second connecting pipe and the booster pump are opened, cold water enters the second cold water tank, and a temperature sensor in the second cold water tank detects the temperature T of the water in the second cold water tank in real timeC2And the water temperature T of the second cold water tankC2The water temperature T of the second cold water tank is judged by the controllerC2And the set value T of the cold water temperatureCIf the water temperature of the second cold water tank is TC2Is greater than the set value T of the cold water temperatureCThen the second cooling device is started, and if the water temperature of the second cold water tank is TC2Is less than the temperature of the cold waterConstant value TCClosing the second cooling device, wherein cold water enters the cooling outer pipe and the cooling inner pipe through the outer cold water inlet pipe and the inner cold water inlet pipe respectively, and then flows through the outer cold water outlet pipe and the inner cold water outlet pipe to return to the upper cold water tank;
the outer cooling mode is that the electromagnetic valve and the booster pump arranged on the outer cold water inlet pipe connector and the inner cold water inlet pipe connector outside the concrete are opened, and the second water level sensor detects the water level S of the upper cold water tank in real timeC1When the water level S of the upper cold water tankC1Is greater than the set value S of the cold water levelCKeeping the second water level control valve open for a time period t1When water enters the lower cold water tank, a temperature sensor in the lower cold water tank detects the water temperature T of the lower cold water tank in real timeC1And the water temperature T of the lower cold water tankC1The water temperature T of the lower cold water tank is judged by the controllerC1And the set value T of the cold water temperatureCIf the water temperature T of the lower cold water tankC1Is greater than the set value T of the cold water temperatureCThen the first cooling device is started, if the water temperature T of the lower cold water tank is lowerC1Less than the set value T of the cold water temperatureCIf the first cooling device is closed, the electromagnetic valve on the second connecting pipe and the booster pump are opened, cold water enters the second cold water tank, and a temperature sensor in the second cold water tank detects the temperature T of the water in the second cold water tank in real timeC2And the water temperature T of the lower cold water tankC2The water temperature T of the lower cold water tank is judged by the controllerC2And the set value T of the cold water temperatureCIf the water temperature T of the lower cold water tankC2Is greater than the set value T of the cold water temperatureCThen the second cooling device is started, if the water temperature T of the lower cold water tank is lowerC1Less than the set value T of the cold water temperatureCClosing the second cooling device, wherein cold water enters the cooling outer pipe and the cooling inner pipe through the outer cold water inlet pipe and the inner cold water inlet pipe respectively and then flows through the outer cold water outlet pipeReturning the inner cooling water outlet pipe to the upper cooling water tank, and returning to the step 2;
if the temperature T in the concretenIs less than the first concrete temperature set value TS1Entering an external cooling mode; and returning to the step 2;
and 5: the controller judges the concrete surface temperature T1And a second concrete temperature set value TS2If the concrete surface temperature T1Is greater than the second concrete temperature set value TS2Entering step 6, if the concrete surface temperature T1Is less than the second concrete temperature set value TS2Entering step 7;
step 6: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1If the temperature T in the concretenIs greater than the first concrete temperature set value TS1Entering an internal cooling mode and returning to the step 2; if the temperature T in the concretenIs less than the first concrete temperature set value TS1Returning to the step 2;
and 7: the controller judges the temperature T in the concretenAnd the second concrete temperature set value TS2If the temperature T in the concretenIs less than the first concrete temperature set value TS2Entering an internal heating mode and an external heating mode, wherein the internal heating mode starts the electromagnetic valve and the booster pump which are arranged on the external hot water inlet pipe joint and the internal hot water inlet pipe joint in the concrete, and the first water level sensor detects the water level S of the upper hot water tank in real timeW1When the water level S of the upper hot water tank is lowerW1Greater than the set value S of the hot water levelWKeeping the second water level control valve open for a time period t1When water enters the lower hot water tank, a temperature sensor in the lower hot water tank detects the water temperature T of the lower hot water tank in real timeW1And the water temperature T of the lower hot water tank is measuredW1The water temperature T of the lower hot water tank is judged by the controllerW1With the set value T of the water temperature of the hot waterWIf the water temperature T of the lower hot water tank is less than or equal toW1Less than the set value T of the hot water temperatureWThen turn on the first heatingA heat preservation device, if the water temperature T of the lower hot water tankW1Is greater than the set value T of the water temperature of the hot waterWIf the first heating and heat-preserving device is closed, the electromagnetic valve on the first connecting pipe and the booster pump are opened, hot water enters the second hot water tank, and the temperature sensor in the second hot water tank detects the water temperature T of the second hot water tank in real timeW2And the water temperature T of the second hot water tankW2The water temperature T of the second hot water tank is judged by the controllerW2And the set value T of the water temperature of the hot waterWIf the water temperature T of the second hot water tank is less than or equal toW2Less than the set value T of the hot water temperatureWThen the second heating and heat-preserving device is started, and if the water temperature T of the second hot water tank is higher than the preset valueW2Is greater than the set value T of the water temperature of the hot waterWClosing the second heating and heat-preserving device, wherein hot water enters the heating outer pipe and the heating inner pipe through the outer hot water inlet pipe and the inner hot water inlet pipe respectively, and then flows through the outer hot water outlet pipe and the inner hot water outlet pipe to return to the upper hot water tank;
the external heating mode is to open the electromagnetic valve and the booster pump arranged on the external hot water inlet pipe interface and the internal hot water inlet pipe interface outside the concrete, and the first water level sensor detects the water level S of the upper hot water tank in real timeW1When the water level S of the upper hot water tank is lowerW1Is greater than the set value S of the hot water levelWKeeping the second water level control valve open for a time period t1When water enters the lower hot water tank, a temperature sensor in the lower hot water tank detects the water temperature T of the lower hot water tank in real timeW1And the water temperature T of the lower hot water tank is measuredW1The water temperature T of the lower hot water tank is judged by the controllerW1And the set value T of the water temperature of the hot waterWIf the water temperature T of the lower hot water tank is less than or equal toW1Less than the set value T of the hot water temperatureWThen the first heating and heat-preserving device is started, and if the water temperature T of the lower hot water tank is lowerW1Is greater than the set value T of the water temperature of the hot waterWThen the first heating and heat-preserving device is closed and the first connection is openedThe electromagnetic valve on the connecting pipe and the booster pump enable hot water to enter the second hot water tank, and the temperature sensor in the second hot water tank detects the water temperature T of the second hot water tank in real timeW2And the water temperature T of the lower hot water tank is measuredW2The water temperature T of the lower hot water tank is judged by the controllerW2And the set value T of the water temperature of the hot waterWIf the water temperature T of the lower hot water tank is less than or equal toW2Less than the set value T of the hot water temperatureWThen the second heating and heat-preserving device is started, and if the water temperature T of the lower hot water tank is lowerW1Is greater than the set value T of the water temperature of the hot waterWClosing the second heating and heat-preserving device, wherein hot water enters the outer pipe and the heating inner pipe through the outer hot water inlet pipe and the inner hot water inlet pipe respectively, then flows through the outer hot water outlet pipe and the inner hot water outlet pipe and returns to the upper hot water tank, and then returns to the step 2;
if the temperature T in the concretenIs greater than the second concrete temperature set value TS2Entering step 8;
and 8: the controller judges the temperature T in the concretenAnd the concrete surface temperature T1If the delta T is smaller than the set temperature difference T, entering the external heating mode and returning to the step 2; if the delta T is larger than the set temperature difference T, entering a step 9;
and step 9: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1If the temperature T in the concretenIs greater than the first concrete temperature set value TS1Entering an internal cooling mode and an external heating mode; if the temperature T in the concretenIs less than the first concrete temperature set value TS1Returning to the step 2;
when the special concrete temperature raising and reducing system implements the internal temperature lowering mode, the external temperature lowering mode, the internal temperature raising mode or the external temperature raising mode, the special concrete temperature raising and reducing system further comprises a step of matching the running power of the booster pumps on the cold water inlet pipe interface and the internal cold water inlet pipe interface according to the allowable rate V of concrete temperature change.
Further, the method can be used for preparing a novel materialPreferably, the first concrete temperature set value TS1Is 35-40 ℃, and the set value T of the second concrete temperature isS2The temperature difference is 5-10 ℃, and the set temperature difference T is 20-25 ℃.
The utility model has the advantages that: the special system for concrete temperature rise and drop provided by the utility model integrates the heating function and the cooling function, has high automation degree, well solves the problem of influence of high temperature, high and cold environment and self-heating on concrete hardening, and the cold water tank and the hot water tank of the special system for concrete temperature rise and drop are respectively provided with three water tanks, so that the temperature of the second cold water tank or the second hot water tank can be prevented from being influenced during the return of circulating water, and the cooling or heating effect is improved; a filter screen is arranged in the upper cold water tank and the upper hot water tank, so that the blockage of a circulating pipeline can be effectively avoided; the heat exchanger is arranged on the circulating unit, so that the heat utilization rate can be improved, and the energy loss is reduced; the cooling pipe and the heating pipe are respectively arranged in a sleeved mode, the flow directions of the fluid in the cooling outer pipe and the fluid in the cooling inner pipe and the flow directions of the fluid in the heating outer pipe and the fluid in the heating inner pipe are arranged in a convection mode, so that the temperature of the fluid in the cooling outer pipe and the fluid in the heating outer pipe are maintained to be basically stable, the cooling or heating effect caused by the temperature change of cold water or hot water in the cooling or heating process is prevented from being reduced, and the cooling or heating efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the special system for heating and cooling concrete;
FIG. 2 is a schematic view of a partial structure of the special concrete temperature raising and reducing system;
FIG. 3 is a schematic view of a partial structure of the special system for heating and cooling concrete;
FIG. 4 is a schematic view of a partial structure of the special system for heating and cooling concrete;
FIG. 5 is a schematic view of a partial structure of the special system for heating and cooling concrete;
fig. 6 is a flow chart of an intelligent control method of the special concrete temperature increasing and decreasing system.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Example 1
Referring to fig. 1 to 5, the utility model provides a pair of special system for concrete temperature rise and drop, it includes: a cold water tank 1, a hot water tank 2, a cooling pipe 3 and a heating pipe 4 which are pre-embedded in concrete, a temperature measuring element, a circulating power unit and a control system (not shown).
The hot water tank 1 comprises a first hot water tank 11 and a second hot water tank 12, a first partition plate 13 is arranged in the first hot water tank 11, the first hot water tank 11 is divided into an upper hot water tank 111 and a lower hot water tank 112, a filter screen 14 is arranged in the upper hot water tank 111 and is used for preventing water or impurities in a pipeline from blocking the concrete temperature raising and lowering system, a first heating and heat preserving device (not shown) is arranged in the lower hot water tank 112, a second heating and heat preserving device (not shown) is arranged in the second hot water tank 12, the first heating and heat preserving device and the second heating and heat preserving device can be heaters and are used for heating water in the lower hot water tank 112 and the second hot water tank 12, the upper hot water tank 111 and the lower hot water tank 112 are communicated through a first water pipe (not shown), and a first water level control valve (not shown) is arranged on the first water pipe, the water level control system is used for controlling the water level in the upper hot water tank 111, a first water level sensor (not shown) is arranged in the upper hot water tank 111, the first water level control valve and the first water level sensor are both connected with the control system, the first water level sensor detects the water level in the upper hot water tank 111 and transmits the detected water level data of the upper hot water tank to the control system, and the control system controls the first water level control valve to open and close so as to control the water level of the upper hot water tank 111.
The cold water tank 2 comprises a first cold water tank 21 and a second cold water tank 22, a second partition 23 is arranged in the first cold water tank 21, the first cold water tank 21 is divided into an upper cold water tank 211 and a lower cold water tank 212, a filter screen 24 is arranged in the upper cold water tank 211, a first cooling device (not shown) is arranged in the lower cold water tank 212, a second cooling device (not shown) is arranged in the second cold water tank 22, the first cooling device and the second cooling device can be air cooling machines, the upper cold water tank 211 is communicated with the lower cold water tank 212 through a second water communication pipe (not shown), a second water level control valve (not shown) is arranged on the second water communication pipe, a second water level sensor (not shown) is arranged in the upper cold water tank, the second water level control valve and the second water level sensor are both connected with the control system, the second water level sensor detects the upper cold water tank 211, and the measured water level data of the upper cold water tank is transmitted to the control system, and the control system controls the opening and closing of the second water level control valve to control the water level of the upper cold water tank 211.
The cooling pipe 3 and the heating pipe 4 are both arranged in the concrete in a snake-shaped layered mode, the distance between the heating pipe 4 on the outermost layer and the surface of the concrete is 1.0-1.5 m, the cooling pipe 3 and the heating pipe 4 are arranged in a layered mode, and when the height of the concrete is smaller than 2m, the cooling pipe 3 and the heating pipe 4 are both arranged into three layers according to the uniformity of the height of the concrete. The cooling pipe 3 comprises a cooling inner pipe 31 and a cooling outer pipe 32, the heating pipe 4 comprises a heating inner pipe 41 and a heating outer pipe 42, the cooling pipe 3 and the heating pipe 4 both adopt water circulation, the flow direction of cold water in the cooling inner pipe 31 is opposite to the flow direction of water in the cooling outer pipe, the flow direction of hot water in the heating inner pipe 41 is opposite to the flow direction of hot water in the heating outer pipe, when concrete is cooled, the cold water in the cooling outer pipe 32 absorbs the heat of the concrete along with the flow in the cooling outer pipe 32, the temperature is higher and higher, the flowing cooling effect in the cooling outer pipe 32 is poorer, the hot water in the heating outer pipe 42 diffuses the heat to the concrete along with the flow in the heating outer pipe 42, the temperature is lower and lower, the flowing heating effect in the heating outer pipe 42 is poorer and is set to be in a sleeve type, and the hot water in the heating inner pipe 41 and the hot water in the heating outer pipe are used for heating, The cold water in the cooling inner pipe 31 and the cold water in the cooling outer pipe flow in a convection mode, so that the temperature before and after the water flows in the cooling outer pipe 32 or the heating outer pipe 42 can be kept basically consistent, and the temperature change of the concrete is uniform.
The circulating power unit comprises a heating circulating power unit and a cooling circulating power unit, the cooling circulating power unit is used for sequentially connecting the second cold water tank 22, the cooling outer pipe 32 and the upper cold water tank 211 to form an outer cold water circulation, sequentially connecting the second cold water tank 22, the cooling inner pipe 31 and the upper cold water tank 211 to form an inner cold water circulation, and providing power for the outer cold water circulation and the inner cold water circulation; the heating circulation power unit is used for sequentially connecting the second hot water tank 12, the heating outer pipe 42 and the upper hot water tank 111 to form external hot water circulation, sequentially connecting the second hot water tank 12, the heating inner pipe 41 and the upper hot water tank 111 to form internal hot water circulation, and providing power for the external hot water circulation and the internal hot water circulation; the heating circulation power unit comprises a plurality of external hot water inlet pipe joints 121 and a plurality of internal hot water inlet pipe joints 122 arranged on the second hot water tank 12, an external hot water inlet pipe 61 connecting the external hot water inlet pipe joints 121 and the heating outer pipe 42, an internal hot water inlet pipe 81 connecting the internal hot water inlet pipe joints 122 and the heating inner pipe 41, a plurality of external hot water outlet pipe joints 113 and a plurality of internal hot water outlet pipe joints 114 arranged on the upper hot water tank 111, an external hot water outlet pipe 62 connecting the heating outer pipe 42 and the external hot water outlet pipe joints 113, an internal hot water outlet pipe 82 connecting the heating inner pipe 41 and the internal hot water outlet pipe joints 114, a first connecting pipe 63 connecting the lower hot water tank 112 and the second hot water tank 12, and a booster pump 102 arranged on the external hot water inlet pipe joints 121, the internal hot water inlet pipe joints 122 and the first connecting pipe 63, and an electromagnetic valve 101 corresponding to the booster pump 102; the cooling circulation power unit comprises a plurality of outer cold water inlet pipe interfaces 221 and a plurality of inner cold water inlet pipe interfaces 222 arranged on the second cold water tank 22, an outer cold water inlet pipe 51 connected with the outer cold water inlet pipe interfaces 221 and the cooling outer pipe 32, an inner cold water inlet pipe 71 connected with the inner cold water inlet pipe interfaces 222 and the cooling inner pipe 31, a plurality of outer cold water outlet pipe interfaces 213 and a plurality of inner cold water outlet pipe interfaces 214 arranged on the upper cold water tank 211, an outer cold water outlet pipe 52 connected with the cooling outer pipe 32 and the outer cold water outlet pipe interfaces 221, an inner cold water outlet pipe 72 connected with the cooling inner pipe 31 and the inner cold water outlet pipe interfaces 222, a second connecting pipe 53 connected with the lower cold water tank 212 and the second cold water tank 22, and a booster pump 102 arranged on the outer cold water inlet pipe interfaces 221, the inner cold water inlet pipe interfaces 22 and the second connecting pipe 53, and the electromagnetic valve 101 corresponds to the booster pump 102, two ends of the cooling pipe 3 and the heating pipe 4 are respectively provided with a reducing tee 103, the outer diameters of the cooling inner pipe 31 and the heating inner pipe 41 are matched with the inner diameter of the reducing tee 103, two ends of the cooling inner pipe 31 respectively penetrate through the reducing of the corresponding reducing tee 103 to be respectively connected with the inner cooling water inlet pipe 71 and the inner cooling water outlet pipe 72, and two ends of the heating inner pipe 41 respectively penetrate through the reducing of the corresponding reducing tee 103 to be respectively connected with the inner hot water inlet pipe 81 and the inner hot water outlet pipe 82.
Heat exchangers 9 are arranged between the inner cold water outlet pipe 72 and the cold water inlet pipe 51, between the inner cold water inlet pipe 71 and the cold water outlet pipe 52, between the inner hot water outlet pipe 82 and the outer hot water inlet pipe 61, and between the inner hot water inlet pipe 81 and the outer hot water outlet pipe 62.
The temperature measuring elements comprise temperature sensors 104 arranged in the lower cold water tank 212, the lower hot water tank 112, the second cold water tank 22 and the second hot water tank 12, above the concrete and in the concrete surface; the temperature measuring elements are used for detecting the water temperature of the lower cold water tank, the water temperature of the lower hot water tank, the water temperature of the second cold water tank, the water temperature of the second hot water tank and the concrete temperature of each position in the concrete, the temperature sensors 104 in the concrete are arranged in a mode that the concrete is expanded in the center, vertical measuring points correspond to the cooling pipe 3 and the heating pipe 4, the distance is measured horizontally by 2.5m, meanwhile, the temperature sensors 104 are arranged on the surface of the concrete in a mode that the concrete is expanded in the center, the distance is measured horizontally by 2.5m, and each temperature sensor 104 is electrically connected with a temperature switch on the cold water inlet pipe interface 221 or the outer hot water inlet pipe interface 121.
The control system comprises a controller and a human-computer interaction interface, is connected with the electromagnetic valve 101, the booster pump 102, the temperature measuring elements, the first heating and heat preserving device, the second heating and heat preserving device, the first cooling device and the second cooling device, and is used for receiving temperature data detected by the temperature measuring elements and controlling the opening and closing of the electromagnetic valve 101, the booster pump 102, the first heating and heat preserving device, the second heating and heat preserving device, the first cooling device and the second cooling device so as to control the operation of the special concrete temperature raising and lowering system.
Referring to fig. 6, the embodiment further provides an intelligent control method of a special concrete temperature increasing and decreasing system, which is implemented by the special concrete temperature increasing and decreasing system, wherein a mode for controlling the temperature inside the concrete of the special concrete temperature increasing and decreasing system includes an inner cooling mode and an inner heating mode, and a mode for controlling the temperature outside the concrete includes an outer cooling mode and an outer heating mode, and the intelligent control method of the special concrete temperature increasing and decreasing system includes the following steps:
step 1: injecting water into the upper hot water tank 111 and the lower hot water tank 112 through an external water source within a preset time period before the temperature-controlled maintenance of the concrete;
step 2: at intervals T, the temperature sensors 104 arranged on the surface of the concrete and in the concrete detect the temperature T of the surface of the concrete1Internal temperature T of concretenAnd measuring the concrete surface temperature T1The temperature T in the concretenTo the controller;
and step 3: the controller judges the concrete surface temperature T in the step 21And the first concrete temperature set value TS1If the concrete surface temperature T1Is greater than the first concrete temperature set value TS1Entering step 4, if the concrete surface temperature T1Is less than the first concrete temperature set value TS1Entering step 5;
and 4, step 4: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1If the temperature T in the concretenIs greater than the first concrete temperature set value TS1The system enters an inner cooling mode and an outer cooling mode, the inner cooling mode starts the electromagnetic valve 101 and the booster pump 102 on the cold water inlet pipe interface 221 and the inner cold water inlet pipe interface 222 in the concrete, and the second water level sensor detects the temperature in real timeMeasuring upper cold water tank water level SC1When the water level S of the upper cold water tankC1Greater than the set value S of the water level of the cold waterCKeeping the second water level control valve open for a time period t1When water enters the lower cold water tank 212, a temperature sensor in the lower cold water tank 212 detects the temperature T of the water in the lower cold water tank in real timeC1And the water temperature T of the lower cold water tankC1The water temperature T of the lower cold water tank is judged by the controllerC1With the set value T of the temperature of the cold waterCIf the water temperature T of the lower cold water tankC1Is greater than the set value T of the cold water temperatureCThen the first cooling device is started, if the water temperature T of the lower cold water tank is lowerC1Less than the set value T of the cold water temperatureCIf yes, the first cooling device is closed, the electromagnetic valve 101 and the booster pump 102 on the second connecting pipe 53 are opened, cold water enters the second cold water tank 22, and the temperature sensor in the second cold water tank 22 detects the temperature T of the water in the second cold water tank in real timeC2And the water temperature T of the second cold water tankC2The water temperature T of the second cold water tank is judged by the controllerC2And the set value T of the cold water temperatureCIf the water temperature of the second cold water tank is TC2Is greater than the set value T of the cold water temperatureCThen the second cooling device is started, and if the water temperature of the second cold water tank is TC1Less than the set value T of the cold water temperatureCIf the second cooling device is turned off, then the cold water enters the cooling pipe 3 and the cooling inner pipe 31 through the cold water inlet pipe 51 and the inner cooling water inlet pipe 71 respectively, and then returns to the upper cold water tank 211 through the cold water outlet pipe 52 and the inner cooling water outlet pipe 72 respectively;
in the external cooling mode, the electromagnetic valve 101 and the booster pump 102 corresponding to the cooling pipe 3 arranged outside the concrete are opened, the electromagnetic valve 101 and the booster pump 102 are arranged on the external cold water inlet pipe interface 221 and the internal cold water inlet pipe interface 222, and the second water level sensor detects the water level S of the upper cold water tank in real timeC1When the water level S of the upper cold water tankC1Is greater than the set value S of the cold water levelCLet said firstDuration t for keeping two water level control valves open1When water enters the lower cold water tank 212, the temperature sensor in the lower cold water tank 212 detects the water temperature T of the lower cold water tank in real timeC1And the water temperature T of the lower cold water tankC1The water temperature T of the lower cold water tank is judged by the controllerC1And the set value T of the cold water temperatureCIf the water temperature T of the lower cold water tankC1Is greater than the set value T of the cold water temperatureCThen the first cooling device is started, if the water temperature T of the lower cold water tank is lowerC1Less than the set value T of the cold water temperatureCIf yes, the first cooling device is closed, the electromagnetic valve 101 and the booster pump 102 on the second connecting pipe 53 are opened, cold water enters the second cold water tank 22, and the temperature sensor in the second cold water tank 22 detects the temperature T of the water in the second cold water tank in real timeC2And the water temperature T of the second cold water tankC2The water temperature T of the second cold water tank is judged by the controllerC2And the set value T of the cold water temperatureCIf the water temperature of the second cold water tank is TC2Is greater than the set value T of the cold water temperatureCThen the second cooling device is started, and if the water temperature of the second cold water tank is TC2Less than the set value T of the cold water temperatureCIf the second cooling device is turned off, then the cold water enters the cooling pipe 3 and the cooling inner pipe 31 through the outer cold water inlet pipe 51 and the inner cold water inlet pipe 71 respectively, and then returns to the upper cold water tank 211 through the outer cold water outlet pipe 52 and the inner cold water outlet pipe 72 respectively; and returning to the step 2;
if the temperature T in the concretenIs less than the first concrete temperature set value TS1Entering an external cooling mode; and returning to the step 2;
and 5: the controller judges the concrete surface temperature T1And a second concrete temperature set value TS2If the concrete surface temperature T1Is greater than the second concrete temperature set value TS2Entering step 6, if the concrete surface temperature T1Is less than the second concrete temperature set value TS2Entering step 7;
step 6: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1If the temperature T in the concretenIs greater than the first concrete temperature set value TS1Entering the internal cooling mode and returning to the step 2; if the temperature T in the concretenIs less than the first concrete temperature set value TS1Returning to the step 2;
and 7: the controller judges the temperature T in the concretenAnd the second concrete temperature set value TS2If the temperature T in the concretenIs less than the first concrete temperature set value TS2Entering the internal heating mode and the external heating mode, wherein the internal heating mode opens the electromagnetic valve 101 and the booster pump 102 on the external hot water inlet pipe connector 121 and the internal hot water inlet pipe connector 122 corresponding to the heating pipe 4 arranged in the concrete, and the first water level sensor detects the water level S of the upper hot water tank in real timeW1When the water level S of the upper hot water tank is lowerW1Greater than the set value S of the hot water levelWKeeping the second water level control valve open for a time period t1When water enters the lower hot water tank, a temperature sensor in the lower hot water tank detects the water temperature T of the lower hot water tank in real timeW1And the water temperature T of the lower hot water tank is measuredW1The water temperature T of the lower hot water tank is judged by the controllerW1With the set value T of the water temperature of the hot waterWIf the water temperature T of the lower hot water tank is less than or equal toW1Less than the set value T of the hot water temperatureWThen the first heating and heat-preserving device is started, and if the water temperature T of the lower hot water tank is lowerW1Is greater than the set value T of the water temperature of the hot waterWIf yes, the first heating and heat-preserving device is closed, the electromagnetic valve 101 and the booster pump 102 on the first connecting pipe 63 are opened, hot water enters the second hot water tank 12, and the temperature sensor in the second hot water tank 12 detects the temperature T of the second hot water tank in real timeW2And the water temperature T of the second hot water tankW2The water temperature T of the second hot water tank is judged by the controllerW2And the set value T of the water temperature of the hot waterWIf the water temperature T of the second hot water tank is less than or equal toW2Less than the set value T of the hot water temperatureWThen the second heating and heat-preserving device is started, and if the water temperature T of the second hot water tank is higher than the preset valueW2Is greater than the set value T of the water temperature of the hot waterWIf so, the second heating and heat-preserving device is closed, and at this time, hot water enters the heating pipe 4 and the heating inner pipe 41 through the outer hot water inlet pipe 61 and the inner hot water inlet pipe 81 respectively, and then flows through the outer hot water outlet pipe 62 and the inner hot water outlet pipe 82 respectively and returns to the upper hot water tank 111;
the external heating mode is that the electromagnetic valve 101 and the booster pump 102 are opened on the external hot water inlet pipe connector 121 and the internal hot water inlet pipe connector 122 corresponding to the heating pipe 4 arranged outside the concrete, and the first water level sensor detects the water level S of the upper hot water tank in real timeW1When the water level S of the upper hot water tank is lowerW1Is greater than the set value S of the hot water levelWKeeping the second water level control valve open for a time period t1When water enters the lower hot water tank 112, a temperature sensor in the lower hot water tank 112 detects the temperature T of the water in the lower hot water tank in real timeW1And the water temperature T of the lower hot water tank is measuredW1The water temperature T of the lower hot water tank is judged by the controllerW1And the set value T of the water temperature of the hot waterWIf the water temperature T of the lower hot water tank is less than or equal toW1Less than the set value T of the hot water temperatureWThen the first heating and heat-preserving device is started, and if the water temperature T of the lower hot water tank is lowerW1Is greater than the set value T of the water temperature of the hot waterWIf yes, the first heating and heat-preserving device is closed, the electromagnetic valve 101 and the booster pump 102 on the first connecting pipe 63 are opened, hot water enters the second hot water tank 12, and the temperature sensor in the second hot water tank 12 detects the temperature T of the second hot water tank in real timeW2And the water temperature T of the second hot water tankW2The water temperature T of the second hot water tank is judged by the controllerW2And the set value T of the water temperature of the hot waterWIf the water temperature T of the second hot water tank is less than or equal toW2Less than the set value T of the hot water temperatureWThen turn on saidA second heating and heat-preserving device, if the water temperature T of the second hot water tankW2Is greater than the set value T of the water temperature of the hot waterWIf so, the second heating and heat-insulating device is closed, and at this time, hot water enters the heating pipe 4 and the heating inner pipe 41 through the outer hot water inlet pipe 61 and the inner hot water inlet pipe 81, and then flows through the outer hot water outlet pipe 62 and the inner hot water outlet pipe 82 to return to the upper hot water tank 111; and returning to the step 2;
if the temperature T in the concretenIs greater than the second concrete temperature set value TS2Entering step 8;
and 8: the controller judges the temperature T in the concretenAnd the concrete surface temperature T1If the delta T is smaller than the set temperature difference T, entering the external heating mode and returning to the step 2; if the delta T is larger than the set temperature difference T, entering a step 9;
and step 9: the controller judges the temperature T in the concretenAnd the first concrete temperature set value TS1If the temperature T in the concretenIs greater than the first concrete temperature set value TS1Entering the inner cooling mode and the outer heating mode; if the temperature T in the concretenIs less than the first concrete temperature set value TS1Returning to the step 2;
when the special concrete temperature raising and lowering system implements the internal cooling mode, the external cooling mode, the internal heating mode or the external heating mode, the operation power of the booster pump 101 on the external hot water inlet pipe interface 121, the internal hot water inlet pipe interface 122, the cold water inlet pipe interface 221 and the internal cold water inlet pipe interface 222 is matched according to the allowable rate V of concrete temperature change.
In this embodiment, the first concrete temperature setting value TS1Is 35 ℃, and the second concrete temperature set value TS2At 5 deg.C, the set temperature difference T was 20 deg.C.
The special concrete cooling system provided by the embodiment comprises a cold water tank 1, a hot water tank 2, a cooling pipe 3, a heating pipe 4, a temperature measuring element, a circulating power unit and a control system, wherein the cooling pipe 3, the heating pipe 4, the temperature measuring element, the circulating power unit and the control system are embedded in concrete, heating and cooling functions are integrated, the automation degree is high, and the problem of influence of high temperature, high and cold environment and self-induced heat on concrete hardening can be well solved; a filter screen is arranged in the upper cold water tank 211 and the upper hot water tank 111, so that the circulation pipeline can be effectively prevented from being blocked by foreign water or pipeline dirt; the heat exchanger 9 is arranged on the circulating unit, so that the heat utilization rate can be improved, and the energy loss is reduced; the cooling pipe 3 includes the cooling inner pipe 31 and the cooling outer pipe 32, the heating pipe 4 includes the heating inner pipe 41 and the heating outer pipe 42, the cooling inner pipe 31 and the cooling outer pipe 32, and the heating inner pipe 41 and the heating outer pipe 42 are both arranged in a sleeve, and the cooling outer pipe 32 and the cooling inner pipe 31, and the heating outer pipe 42 and the heating inner pipe 41 are arranged in a convection manner, so that the temperature of the fluid in the cooling outer pipe 32 and the heating outer pipe 42 is maintained to be basically stable, and the water temperature is not greatly changed due to heat exchange with the concrete caused by the flow in the cooling outer pipe 32 or the heating outer pipe 42, thereby avoiding the problems of reduced cooling or heating effect and uneven temperature change of the concrete caused by the temperature change of cold water or hot water in the cooling or heating process, and improving the cooling or heating efficiency.
According to the intelligent control method of the special system for concrete temperature increase and decrease provided by this embodiment, according to the temperature of each layer of concrete in the concrete, the electromagnetic valves 101 and the booster pumps 102 corresponding to the cooling outer tube 32 and the cooling inner tube 31 or the heating outer tube 42 and the heating inner tube 41 in each corresponding layer are opened or closed, and a proper heating and cooling mode is selected, so as to achieve an ideal concrete maintenance effect.
The above description is only for the specific embodiments of the present invention, but it should be understood by those skilled in the art that the present invention is only by way of example, and the scope of the present invention is defined by the appended claims. Therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.
Claims (7)
1. The special system for increasing and decreasing the temperature of the concrete is characterized by comprising the following components: the system comprises a cold water tank, a hot water tank, a cooling pipe and a heating pipe which are pre-embedded in concrete, a temperature measuring unit, a circulating power unit and a control system;
the cooling pipe and the heating pipe are arranged inside and outside the concrete layer by layer, the heating pipe is arranged outside the cooling pipe relatively, the heating pipe on the outermost layer is arranged on the surface of the concrete, the cooling pipe and the heating pipe adopt water circulation, the cooling pipe comprises a cooling inner pipe and a cooling outer pipe, water in the cooling inner pipe and water in the cooling outer pipe exchange heat with each other and flow in opposite directions, the heating pipe comprises a heating inner pipe and a heating outer pipe, and water in the heating outer pipe and water in the heating inner pipe exchange heat with each other and flow in opposite directions;
the hot water tank is used for supplying hot water to the heating pipe and comprises a first hot water tank and a second hot water tank, a first partition plate is arranged in the first hot water tank, the first hot water tank is divided into an upper hot water tank and a lower hot water tank, the upper hot water tank is communicated with the lower hot water tank through a first water through pipe, a first water level control valve is arranged on the first water through pipe, a first water level sensor is arranged in the upper hot water tank, and a first heating and heat-preserving device and a second heating and heat-preserving device are respectively arranged in the lower hot water tank and the second hot water tank;
the cold water tank is used for providing cold water for the cooling pipe and comprises a first cold water tank and a second cold water tank, a second partition plate is arranged in the first cold water tank, the first cold water tank is divided into an upper cold water tank and a lower cold water tank, the upper cold water tank is communicated with the lower cold water tank through a second water through pipe, a second water level control valve is arranged on the second water through pipe, a second water level sensor is arranged in the upper cold water tank, a first cooling device is arranged in the lower cold water tank, and a second cooling device is arranged in the second cold water tank;
the circulating power unit comprises a cooling circulating power unit and a heating circulating power unit, the cooling circulating power unit is used for sequentially connecting the second cold water tank, the cooling outer pipe and the upper cold water tank to form an outer cold water circulation, sequentially connecting the second cold water tank, the cooling inner pipe and the upper cold water tank to form an inner cold water circulation, and providing power for the outer cold water circulation and the inner cold water circulation; the heating circulation power unit is used for sequentially connecting the second hot water tank, the heating outer pipe and the upper hot water tank to form external hot water circulation, and sequentially connecting the second hot water tank, the heating inner pipe and the upper hot water tank to form internal hot water circulation and provide power for the external hot water circulation and the internal hot water circulation;
the temperature measuring unit comprises temperature sensors which are arranged in the lower hot water tank, the second hot water tank, the lower cold water tank, the second cold water tank, the surface of the concrete and the interior of the concrete and are used for detecting the temperature of the corresponding positions of the temperature sensors;
the control system comprises a controller and a human-computer interaction interface, and is used for analyzing and receiving temperature data detected by each temperature sensor and water level data of the first water level sensor and the second water level sensor, and controlling the on-off of the first heating and heat-insulating device, the second heating and heat-insulating device, the first cooling device, the second cooling device and the circulating power unit.
2. The special concrete temperature raising and lowering system according to claim 1, wherein the heating cycle power unit comprises a plurality of external hot water inlet pipe joints and a plurality of internal hot water inlet pipe joints arranged on the second hot water tank, an external hot water inlet pipe connecting the external hot water inlet pipe joints with the heating external pipe, an internal hot water inlet pipe connecting the internal hot water inlet pipe joints with the heating internal pipe, a plurality of external hot water outlet pipe joints and a plurality of internal hot water outlet pipe joints arranged on the upper hot water tank, an external hot water outlet pipe connecting the heating external pipe with the external hot water outlet pipe joints, an internal hot water connecting the heating internal pipe with the internal hot water outlet pipe joints, and a first connecting pipe connecting the lower hot water tank with the second hot water tank; the cooling circulation power unit comprises a plurality of external cold water inlet pipe joints and a plurality of internal cold water inlet pipe joints which are arranged on the second cold water tank, an external cold water inlet pipe connected with the external cold water inlet pipe joints and the cooling outer pipe, an internal cold water inlet pipe connected with the internal cold water inlet pipe joints and the cooling inner pipe, a plurality of external cold water outlet pipe joints and a plurality of internal cold water outlet pipe joints which are arranged on the upper cold water tank, an external cold water outlet pipe connected with the cooling outer pipe and the external cold water outlet pipe joints, an internal cold water outlet pipe connected with the cooling inner pipe and the internal cold water outlet pipe joints, and a second connecting pipe connected with the lower cold water tank and the second cold water tank; the outer hot water inlet pipe joint, the inner hot water inlet pipe joint and the first connecting pipe of the heating circulation power unit, and the outer cold water inlet pipe joint, the inner cold water inlet pipe joint and the second connecting pipe of the cooling circulation power unit are all provided with a booster pump and an electromagnetic valve corresponding to the booster pump.
3. The special concrete temperature raising and reducing system according to claim 2, wherein a heat exchanger is disposed between the internal cooling water outlet pipe and the external cooling water inlet pipe, between the internal cooling water inlet pipe and the external cooling water outlet pipe, between the internal heating water outlet pipe and the external heating water inlet pipe, and between the internal heating water inlet pipe and the external heating water outlet pipe.
4. The special concrete temperature raising and reducing system according to claim 2, wherein two ends of the cooling pipe and the heating pipe are respectively provided with a reducing tee, the outer diameters of the cooling inner pipe and the heating inner pipe are matched with the inner diameter of the reducing tee, two ends of the cooling inner pipe penetrate through the reducing of the corresponding reducing tee to be respectively connected with the inner cooling water inlet pipe and the inner cooling water outlet pipe, and two ends of the heating inner pipe penetrate through the reducing of the corresponding reducing tee to be respectively connected with the inner heating water inlet pipe and the inner heating water outlet pipe.
5. The special concrete temperature raising and reducing system as claimed in claim 1, wherein a filter screen is arranged in each of the upper cold water tank and the upper hot water tank for filtering impurities in water.
6. The special concrete temperature raising and reducing system according to claim 1, wherein the cooling pipes and the heating pipes are arranged in the concrete in a serpentine shape, the interlayer spacing between the heating pipes and the interlayer spacing between the cooling pipes are both 1.0-1.5 m, the cooling pipes and the heating pipes are arranged in a stacked manner, and when the height of the concrete is less than 2m, three layers of the cooling pipes and the heating pipes are uniformly arranged according to the height of the concrete.
7. The special system for concrete temperature increase and decrease as claimed in claim 1, wherein the temperature sensor in the concrete is installed in such a manner that the vertical point corresponds to the cooling pipe and the heating pipe, the distance measured horizontally is 2.5m, the temperature sensor is installed in such a manner that the temperature sensor is spread at the center of the concrete, and the distance measured horizontally is 2.5 m.
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| CN201920442837.XU CN210086862U (en) | 2019-04-03 | 2019-04-03 | Special system for heating and cooling concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130665A (en) * | 2019-04-03 | 2019-08-16 | 广州科纳机械制造有限公司 | A kind of concrete heating and cooling dedicated system and its Intelligentized control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130665A (en) * | 2019-04-03 | 2019-08-16 | 广州科纳机械制造有限公司 | A kind of concrete heating and cooling dedicated system and its Intelligentized control method |
| CN110130665B (en) * | 2019-04-03 | 2023-07-04 | 广州科纳机械制造有限公司 | Special concrete temperature raising and lowering system and intelligent control method thereof |
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