CN214871464U - Intelligent energy-saving maintenance system for concrete prefabricated product - Google Patents
Intelligent energy-saving maintenance system for concrete prefabricated product Download PDFInfo
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- CN214871464U CN214871464U CN202022829649.8U CN202022829649U CN214871464U CN 214871464 U CN214871464 U CN 214871464U CN 202022829649 U CN202022829649 U CN 202022829649U CN 214871464 U CN214871464 U CN 214871464U
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Abstract
The application provides an intelligent energy-saving curing system for a concrete prefabricated product, which comprises an autoclave, a steam generating device and a plurality of water storage tanks, wherein the water storage tanks are arranged in the autoclave and can collect high-temperature condensed water generated in the autoclave; the tail end curing unit comprises a heat preservation chamber and a heat exchange control part, the heat preservation chamber is arranged at a kettle outlet of the still kettle, the concrete prefabricated product and high-temperature residual steam in the still kettle can enter the heat preservation chamber through the kettle outlet, and heat exchange is carried out between the interior of the heat preservation chamber and the outside to reduce the temperature of the interior of the heat preservation chamber; the heat exchange control member is connected with the heat preservation chamber, and the heat exchange control member is used for controlling the temperature reduction rate in the heat preservation chamber. On one hand, the space utilization rate in the still kettle is improved, the waste of steam is reduced, and the shrinkage and cracking of a concrete prefabricated product caused by overlarge temperature difference are avoided; on the other hand, the heat utilization efficiency is improved, the energy is saved, and the production utilization efficiency of the still kettle is improved.
Description
Technical Field
The utility model belongs to energy-concerving and environment-protective field, in particular to energy-conserving maintenance system of concrete prefab intelligence.
Background
The autoclave is a large pressure vessel with large volume and heavy weight, has wide application, is widely applied to the autoclave curing of concrete prefabricated products such as aerated concrete blocks, concrete pipe piles and the like, and is very important industrial equipment.
However, in the use process of the existing autoclave, prefabricated concrete products such as aerated bricks, wallboards, precast piles and the like are stacked on a trolley and autoclaved, and the appearance of the stacked prefabricated concrete products is mostly rectangular, so that a plurality of cavities are left in the autoclave. On one hand, the waste of space in the kettle is caused, and due to the existence of the cavity, more steam is needed to be consumed in the curing process of the concrete prefabricated product in the kettle, the heat dissipation of the steam through the kettle body is fast, and more high-temperature steam and high-temperature condensate water are generated and discharged, so that the waste of heat and water resources is caused; on the other hand, after one-time curing is completed, steam and condensed water in the autoclave are completely discharged, heat loss is large, the initial temperature in the autoclave is low, the next concrete prefabricated product needs to be heated from low temperature when entering the autoclave, much steam is consumed, the curing time is correspondingly prolonged, the turnover time of the autoclave is prolonged, and the production utilization efficiency of the autoclave is seriously reduced.
In addition, because the temperature difference between the inside and the outside of the still kettle is large, the concrete prefabricated product is easy to crack after being taken out of the still kettle without being cooled for a period of time. In the prior art, in order to prevent the cracking of the concrete prefabricated product, a method for prolonging the stay and cooling time of the concrete prefabricated product in a still kettle is adopted, so that the turnover time of the still kettle can be further prolonged, and the production efficiency of the still kettle is reduced; or, the method of manually covering the concrete prefabricated product with the material such as the tarpaulin and the like is adopted to realize simple heat preservation, which is not good in heat preservation effect and increases the labor intensity of producers.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy-conserving maintenance system of concrete prefab intelligence to solve at least one technical problem among the above-mentioned technical problem.
The utility model discloses the technical scheme who adopts does:
an intelligent energy-saving curing system for a concrete prefabricated product comprises an autoclave, a steam generating device and a plurality of water storage tanks, wherein the water storage tanks are arranged inside the autoclave; the top of the water storage tank is provided with an opening which can collect high-temperature condensed water generated in the still kettle;
the tail end curing unit comprises a heat preservation chamber and a heat exchange control part, the heat preservation chamber is arranged at a kettle outlet of the still kettle, an outer kettle track matched with the inner kettle track is arranged in the heat preservation chamber, the outer kettle track can receive a concrete prefabricated product in the still kettle, an inlet is formed in one side, facing the kettle outlet of the still kettle, of the heat preservation chamber, the concrete prefabricated product and high-temperature steam in the still kettle can enter the heat preservation chamber through the kettle outlet and the inlet, heat exchange is generated between the interior of the heat preservation chamber and the outside, and the temperature of the interior of the heat preservation chamber is reduced; the heat exchange control member is connected with the heat preservation chamber, and the heat exchange control member is used for controlling the temperature reduction rate in the heat preservation chamber.
As a preferred embodiment of the utility model, the heat preservation chamber comprises a heat preservation chamber frame and one or more temperature control layers; one or more temperature control layers coat the heat preservation chamber frame to form a heat preservation chamber.
As a preferred embodiment of the present invention, the temperature control layer is a heat exchange control member.
As a preferred embodiment of the present invention, the heat exchange control member includes a temperature sensor, a heat exchange pipe, a fan, and a controller; one end of the heat exchange pipeline is communicated with the outside, the other end of the heat exchange pipeline is communicated with the inside of the heat preservation chamber, and the fan is arranged on the heat exchange pipeline; the temperature sensor and the controller are arranged in the heat preservation chamber; the temperature sensor is electrically connected with the controller, the temperature sensor is used for monitoring the temperature in the heat preservation chamber and transmitting a signal to the controller, and the controller is used for receiving and processing the signal of the temperature sensor and controlling the closing and starting of the heat exchange pipeline and the fan.
As a preferred embodiment of the utility model, the device also comprises a residual steam recovery unit, wherein the residual steam recovery unit comprises a steam exhaust part, a steam exhaust pipeline, an exhaust valve and a residual steam recovery box;
a residual steam recovery hole is formed in the still kettle, one end of a steam exhaust pipeline is communicated with the residual steam recovery hole, the other end of the steam exhaust pipeline is communicated with a residual steam recovery box, a steam exhaust part is arranged on the steam exhaust pipeline, and an exhaust valve is arranged on the steam exhaust pipeline; the residual steam recovery box is respectively communicated with an external water source and the steam generating device, and the residual steam recovery box can supply water to the steam generating device.
As a preferred embodiment of the utility model, the steam supply device also comprises a steam supply component, wherein the steam supply component comprises a steam supply pipeline and a steam supply valve;
one end of the steam supplementing pipeline is communicated with the steam generating device and/or the steam discharging piece, and the other end of the steam supplementing pipeline is communicated with the inside of the heat preservation chamber; the steam supplementing valve is arranged on the steam supplementing pipeline.
As a preferred embodiment of the utility model, an overflow pipeline is also arranged in the still kettle, an overflow port is arranged at the upper part of the water storage tank, and the overflow pipeline is communicated with the overflow port; and the overflow pipeline is laid to the bottom of the kettle cavity along the inner wall of the still kettle.
As a preferred embodiment of the utility model, the heat preservation chamber frame comprises a plurality of main support rods, and a cross connecting rod is arranged between every two adjacent main support rods; the cross connecting rods are provided with connecting rod retraction positions, and the connection rod retraction positions on the adjacent cross connecting rods are opposite in direction, so that when the main supporting rods are retracted in place, the connection rod retraction positions of the adjacent cross connecting rods are mutually involuted; the cross connecting rod is rotatably connected with the main supporting rod.
As a preferred embodiment of the utility model, the device also comprises a condensed water collecting box and a sedimentation tank, wherein the condensed water collecting box is provided with a collecting hole and a discharge hole; a drain outlet is formed in the still kettle, and high-temperature condensate water in the still kettle enters the condensate water collecting box through the drain outlet and the collecting hole; the discharge hole is communicated with the sedimentation tank, and the high-temperature condensed water is finally discharged into the sedimentation tank through the discharge hole.
As a preferred embodiment of the utility model, a heat exchange tube is arranged in the condensed water collecting box; one end of the heat exchange tube is communicated with an external water source, and the other end of the heat exchange tube is communicated with a steam generating device or other water loads.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:
1. the arrangement of the water storage tank in the autoclave reduces useless cavities in the autoclave, improves the space utilization rate in the autoclave and reduces the waste of steam in the curing process; on the other hand, the water storage tank can collect the high-temperature condensate water generated in the still kettle through the opening at the top of the water storage tank, the high-temperature condensate water is kept in the water storage tank all the time, so that the heat storage effect is achieved, the initial curing temperature of the prefabricated product in the still kettle is improved, the steam consumption and the energy consumption are saved, meanwhile, the time consumed by the curing process and the turnover of the still kettle is reduced, and the production utilization efficiency of the still kettle is improved.
2. The arrangement of the tail end heat preservation unit reduces the temperature difference of the environments of the concrete prefabricated products before and after the concrete prefabricated products are discharged from the autoclave, avoids the shrinkage and cracking of the concrete prefabricated products caused by overlarge temperature difference, and in addition, the heat preservation chamber can receive high-temperature residual steam in the autoclave, fully utilizes the heat carried by the high-temperature residual steam, improves the heat utilization efficiency and saves energy; the setting of track, cauldron outer orbit in the cauldron and cooperation between the two have improved the conveying efficiency of concrete prefab, and then promote holistic production efficiency.
3. Compare in directly discharge the interior residual steam of cauldron in the prior art in the external world, the residual steam recovery unit set up the effectual recycle heat that carries of residual steam in the cauldron, reduce energy resource consumption.
4. The overflow port and the overflow pipeline are arranged, so that the phenomenon that the high-temperature condensed water in the water storage tank overflows due to overhigh water level or boils and splashes due to higher temperature is avoided, and the production personnel are prevented from being drenched and scalded when patrolling and overhauling the kettle. In addition, the overflow pipeline is laid to the bottom of the kettle cavity along the inner wall of the still kettle, so that heat carried by high-temperature condensed water is more uniformly distributed to the maintenance channel, and the maintenance effect is favorably improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the internal structure of an autoclave;
FIG. 2 is a schematic structural diagram of an autoclave and a terminal curing unit;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a heat exchange control member;
FIG. 5 is a schematic structural diagram of a residual steam recovery unit;
FIG. 6 is a schematic diagram of a steam addition unit in a specific example;
FIG. 7 is a schematic diagram of another embodiment of a steam compensation unit;
FIG. 8 is a schematic structural view of a steam compensating unit in a preferred embodiment;
FIG. 9 is a schematic view of a construction of a holding room frame according to an example;
FIG. 10 is a schematic view of another example of a construction of a holding room frame;
fig. 11 is a schematic structural view of a condensed water collection tank.
10-still kettle, 11-water storage tank, 111-overflow port, 12-maintenance channel, 13-inner kettle track, 14-residual steam recovery hole, 15-sewage drain, 20-steam generating device, 31-heat preservation chamber, 311-heat preservation chamber frame, 312-temperature control layer, 313-outer kettle track, 314-main support rod, 315-cross connecting rod, 321-temperature sensor, 322-heat exchange pipeline, 323-fan, 324-controller, 41-steam exhaust part, 42-exhaust pipeline, 43-exhaust valve, 44-residual steam collecting box, 51-steam supplementing pipeline, 52-steam supplementing valve, 60-condensed water collecting box, 61-collecting hole, 62-exhaust hole and 63-heat exchange pipe.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-11, the utility model provides an energy-conserving maintenance system of concrete prefabricate intelligence, it includes still kettle 10, steam generator 20, still includes a plurality of storage water tanks 11, storage water tank 11 sets up in still kettle 10's inside, is connected with still kettle 10's inner wall, and one side that storage water tank 11 faced the interior concrete prefabricate of cauldron constitutes maintenance passageway 12 with still kettle 10's inner wall, is provided with the track 13 in the cauldron at the bottom of maintenance passageway 12, and track 13 is used for bearing and carrying the concrete prefabricate in the cauldron; the top of the water storage tank 11 is provided with an opening which can collect high-temperature condensed water generated in the still kettle 10;
with continued reference to fig. 2 and 3, the autoclave further comprises a terminal curing unit, the terminal curing unit comprises a heat preservation chamber 31 and a heat exchange control member (not shown in the figure), the heat preservation chamber 31 is arranged at the kettle outlet of the autoclave 10, an outer kettle track 313 matched with the inner kettle track 13 is arranged in the heat preservation chamber 31, the outer kettle track 313 can receive a concrete prefabricated product in the autoclave 10, an inlet is arranged at one side of the heat preservation chamber 31 facing the kettle outlet of the autoclave 10, the concrete prefabricated product and high-temperature steam in the autoclave 10 can enter the heat preservation chamber 31 through the kettle outlet, and the inside of the heat preservation chamber 31 can exchange heat with the outside to reduce the internal temperature of the heat preservation chamber 31; a heat exchange control member for controlling a temperature reduction rate in the soak chamber 31 is connected to the soak chamber 31.
The arrangement of the water storage tank 11 in the autoclave reduces useless cavities in the autoclave, improves the space utilization rate in the autoclave 10 and reduces the waste of steam in the curing process; on the other hand, the water storage tank 11 can collect the high-temperature condensate water generated in the still kettle 10 through the opening at the top of the water storage tank and temporarily store the condensate water, so that the function of storing heat is achieved, the initial curing temperature of the concrete prefabricated product in the still kettle 10 is improved, the steam consumption and the energy consumption are saved, meanwhile, the time consumed by the curing process and the turnover of the still kettle 10 is reduced, and the production utilization efficiency of the still kettle 10 is improved.
The arrangement of the tail end heat preservation unit reduces the temperature difference of the environments of the concrete prefabricated products before and after the concrete prefabricated products are discharged from the autoclave, avoids the shrinkage and cracking of the concrete prefabricated products caused by overlarge temperature difference, and in addition, the heat preservation chamber 31 can receive high-temperature steam in the autoclave 10, fully utilizes the heat carried by the high-temperature steam, improves the heat utilization efficiency and saves energy; track 13, the outer track 313 of cauldron in the cauldron set up and the cooperation between the two, have improved the conveying efficiency of concrete prefabricated product, and then promote holistic production efficiency. In addition, the arrangement of the heat exchange control part can improve the adaptability of the tail end maintenance unit to the required cooling conditions of different types of concrete prefabricated products, and the application range of the tail end heat preservation unit is enlarged while the maintenance effect is improved.
It should be noted that the present invention is not limited to the type and structure of the steam generator 20, and as a preferred embodiment of the present invention, the steam generator 20 is selected as a boiler or a power plant pipeline steam, and may adopt other devices and apparatuses.
Further, as shown in fig. 2, the heat-insulating chamber 31 in the present application includes a heat-insulating chamber frame 311 and one or more temperature control layers 312; one or more temperature control layers 312 coat the insulating chamber frame 311 to form an insulating chamber 31. It should be understood that the present invention is not limited to the material of the temperature control layer 312 and the connection manner between the temperature control layer 312 and the thermal insulation frame 311, for example, the temperature control layer 312 is made of a flexible thermal insulation material, and the flexible thermal insulation material is covered on the thermal insulation frame 311 and fixed by hanging a counterweight; or it may be a rigid insulating material that is attached to the insulating housing 311 by a snap or screw.
As an embodiment of the present invention, as shown in fig. 2, the temperature control layer 312 is a heat preservation tarpaulin, and the heat preservation tarpaulin covers the heat preservation chamber 311, and a weight block (not shown in the figure) is suspended on the heat preservation tarpaulin to tighten the heat preservation tarpaulin, so that the heat preservation tarpaulin is tightly fitted with the heat preservation chamber 311.
It should be noted that the present invention is not particularly limited to the structural shape of the heat exchange control member, and any one of the following examples may be adopted:
in one embodiment, with continued reference to fig. 2, the temperature-controlling layer 312 also serves as a heat exchange control member, and the number of layers of the temperature-controlling layer 312 is changed to adjust the heat exchange rate between the inside of the insulating chamber 31 and the outside, thereby achieving different effects of heat preservation and temperature reduction. The scheme has the advantages of simple structure and convenience in operation, and when the maintenance requirement is not high, the maintenance effect can be ensured, the manpower and material resources required by production can be greatly saved, and the production efficiency is improved.
As a preferred embodiment of the present invention, as shown in fig. 4, the heat exchange control member includes a temperature sensor 321, a heat exchange pipe 322, a fan 323, and a controller 324; one end of the heat exchange pipeline 322 is communicated with the outside, the other end is communicated with the inside of the heat preservation chamber 31, and the fan 323 is arranged on the heat exchange pipeline 322; the temperature sensor 321 is provided in the heat-retaining chamber 31; the controller 324 is electrically connected with the blower 323, the temperature sensor 321 is electrically connected with the controller 324, the temperature sensor 321 is used for monitoring the temperature in the holding chamber 31 and transmitting signals to the controller 324, and the controller 324 is used for receiving the signals of the temperature sensor 321 and controlling the heat exchange pipeline 322 and the blower 323 to be closed and started.
Further, as shown in fig. 5, the energy-conserving maintenance system of concrete prefab intelligence shown in the utility model is still provided with the residual steam recovery unit, and the residual steam recovery unit includes steam extraction 41, exhaust pipe 42, exhaust valve 43 and residual steam recovery case 44. It should be understood that the present invention is not particularly limited to the structures, connection manners, etc. of the steam discharging member 41, the steam discharging pipe 42, the evacuation valve 43, and the residual steam recovering tank 44, and may adopt the following exemplary embodiments;
specifically, with reference to fig. 5, a residual steam recovery hole 14 is formed in one side of the wall of the still kettle 10, one end of a steam exhaust pipeline 42 is communicated with the residual steam recovery hole 14, the other end of the steam exhaust pipeline is communicated with a residual steam recovery box 44, a steam exhaust member 41 is arranged on the steam exhaust pipeline 42, and an exhaust valve 43 is arranged on the steam exhaust pipeline 42; the residual steam recovery tank 44 is respectively communicated with an external water source and the steam generating device 20, and the residual steam recovery tank 44 can supply water to the steam generating device 20.
In the actual production process, because of production needs and safety needs, open still kettle 10 before although having turned out the cauldron in high-pressure steam and recycled, but still need evacuation cauldron interior surplus low pressure high temperature steam, the residual steam recovery subassembly in this application, open evacuation valve 43 back, utilize steam exhaust 41 to provide power, with the cauldron in the residual steam through residual steam recovery hole 14 and exhaust pipe 42 with the cauldron in the residual steam collection and carry to residual steam recovery case 44 in, the heat that utilizes the cauldron in the residual steam to carry passes through the cold water in the heat exchange tube heating residual steam recovery case 44, thereby save the required energy of steam generator 20 production steam. Compare in directly discharge the interior residual steam of cauldron in the prior art in the external world, the residual steam recovery unit set up the effectual recycle heat that carries of residual steam in the cauldron, reduce energy resource consumption.
As a preferred embodiment of the present embodiment, the steam discharging component 41 in the residual steam recovering unit is selected as the fan 323, but of course, other components or devices may be adopted, and the present invention is not limited thereto.
Further, as shown in fig. 6-8, the energy-conserving maintenance system of concrete prefabricated product intelligence shown in the utility model is still provided with the benefit vapour subassembly, including benefit vapour pipeline 51 and benefit vapour valve 52, the benefit vapour valve 52 sets up on benefit vapour pipeline 51. It should be noted that, the present invention does not specifically limit the setting mode of the steam compensating pipe 51, and the following exemplary embodiments may be adopted:
in a specific example, as shown in fig. 6, one end of the steam compensating pipe 51 communicates with the steam discharging member 41, and the other end communicates with the inside of the soak chamber 31.
In another specific example, one end of the steam supply pipe 51 communicates with the steam generating device 20, and the other end communicates with the inside of the soak chamber 31. As a preferred embodiment of the present invention, as shown in fig. 8, one end of the steam supply pipe 51 is connected to the steam discharge member 41 and the steam generating device 20, and the other end is connected to the inside of the heat retaining chamber 31.
Through setting up the steam compensating assembly, can supply high temperature surplus steam to heat preservation room 31 inside at any time for the controllability of heat exchange rate is higher with the external world in heat preservation room 31 inside, thereby obtains more ideal maintenance effect.
Further, as shown in fig. 1, an overflow pipeline (not shown in the figure) is further arranged in the still kettle 10, an overflow port 111 is formed in the upper portion of the water storage tank 11, and the overflow pipeline is communicated with the overflow port 111; the overflow pipeline is laid to the bottom of the kettle cavity along the inner wall of the still kettle 10.
The overflow port 111 and the overflow pipeline are arranged, so that the phenomenon that the high-temperature condensed water in the water storage tank 11 overflows due to overhigh water level or boils and splashes due to higher temperature is avoided, and the phenomenon that water drenches and scalds are avoided when production personnel patrol and overhaul in the kettle. In addition, the overflow pipeline is laid along the inner wall of the still kettle 10 to the bottom of the kettle cavity, so that heat carried by high-temperature condensed water is more uniformly distributed to the maintenance channel 12, and the maintenance effect is improved.
Further, as shown in fig. 9 and 10, the insulating chamber frame 311 includes a plurality of main support rods, and a cross connecting rod is disposed between each two adjacent main support rods; the cross connecting rods are provided with connecting rod retraction positions, and the connection rod retraction positions on the adjacent cross connecting rods are opposite in direction, so that when the main supporting rods are retracted in place, the connection rod retraction positions of the adjacent cross connecting rods are mutually involuted; the cross connecting rod is rotatably connected with the main supporting rod.
The arrangement of the cross connecting rods enables the heat preservation chamber frame 311 to be contracted, so that the heat preservation chamber 31 is more convenient and faster to construct and disassemble; on the other hand, the heat preservation chamber frame 311 is retractable, so that hoisting equipment or hoisting equipment such as a crane can carry concrete prefabricated products conveniently, and the production efficiency is improved.
The structure of the heat-insulating chamber 311 and the cross-bar of the present invention is not particularly limited, and the structure shown in fig. 9 or 10 may be adopted, or another structure may be adopted.
Further, as shown in fig. 11, the intelligent energy-saving maintenance system for the concrete prefabricated product of the present invention further comprises a condensed water collection box 60 and a sedimentation tank (not shown in the figure), wherein the condensed water collection box 60 is provided with a collection hole 61 and a discharge hole 62; the still kettle 10 is provided with a sewage draining outlet 15, and the high-temperature condensed water in the still kettle 10 enters the condensed water collecting box 60 through the sewage draining outlet 15 and the collecting hole 61; the drain hole 62 is communicated with the settling tank, and the high-temperature condensed water is finally discharged into the settling tank through the drain hole 62.
Still further, with continued reference to FIG. 11, a heat exchange tube 63 is provided within the condensate collection tank 60; the heat exchange tube 63 has one end in communication with an outside water source and the other end in communication with the steam generating device 20 or other water load.
The condensed water collecting box 60 and the heat exchange pipe 63 inside the condensed water collecting box can effectively recover heat carried by high-temperature condensed water, and heat the condensed water or the raw water of the boiler, so that energy consumption is saved.
It should be understood that the present invention is not limited to the shape and structure of the condensed water collecting box 60 and the heat exchange tube 63, for example, as a preferred example of the embodiment of the present invention, it is shown by referring to fig. 11, the heat exchange tube 63 is spirally configured, so that the flow of the water at the external water source in the heat exchange tube 63 is longer, and the heat exchange effect is better. Of course, the heat exchange tube 63 may have other structures.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and the description of each embodiment is different from that of the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An intelligent energy-saving curing system for a concrete prefabricated product comprises an autoclave and a steam generating device, and is characterized by further comprising a plurality of water storage tanks, wherein the water storage tanks are arranged inside the autoclave, one sides of the water storage tanks, which face the concrete prefabricated product, and the inner walls of the autoclave form curing channels, the bottoms of the curing channels are provided with in-kettle rails, and the in-kettle rails are used for bearing and conveying the concrete prefabricated product; the top of the water storage tank is provided with an opening which can collect high-temperature condensed water generated in the still kettle;
the tail end curing unit comprises a heat preservation chamber and a heat exchange control part, the heat preservation chamber is arranged at a kettle outlet of the still kettle, an outer kettle track matched with the inner kettle track is arranged in the heat preservation chamber, the outer kettle track can receive a concrete prefabricated product in the still kettle, an inlet is formed in one side, facing the kettle outlet of the still kettle, of the heat preservation chamber, the concrete prefabricated product and high-temperature steam in the still kettle can enter the heat preservation chamber through the kettle outlet and the inlet, heat exchange is generated between the interior of the heat preservation chamber and the outside, and the temperature of the interior of the heat preservation chamber is reduced; the heat exchange control part is connected with the heat preservation chamber and is used for controlling the temperature reduction rate in the heat preservation chamber.
2. The intelligent energy-saving maintenance system for the concrete prefabricated products, according to claim 1, wherein the heat preservation chamber comprises a heat preservation chamber frame and one or more temperature control layers; one or more temperature control layers are coated on the heat preservation chamber frame to form the heat preservation chamber.
3. The intelligent energy-saving maintenance system for concrete prefabricated products as claimed in claim 2, wherein the temperature control layer is the heat exchange control member.
4. The intelligent energy-saving maintenance system for concrete pre-forms as claimed in claim 2, wherein the heat exchange control components comprise temperature sensors, heat exchange pipes, fans and controllers; one end of the heat exchange pipeline is communicated with the outside, the other end of the heat exchange pipeline is communicated with the inside of the heat preservation chamber, and the fan is arranged on the heat exchange pipeline; the temperature sensor and the controller are arranged in the heat preservation chamber; the temperature sensor is electrically connected with the controller, the temperature sensor is used for monitoring the temperature in the heat preservation chamber and transmitting a signal to the controller, and the controller is used for receiving and processing the signal of the temperature sensor and controlling the heat exchange pipeline and the fan to be closed and started.
5. The intelligent energy-saving maintenance system for the concrete prefabricated product as claimed in claim 3 or 4, further comprising a residual steam recovery unit, wherein the residual steam recovery unit comprises a steam exhaust part, a steam exhaust pipeline, an exhaust valve and a residual steam recovery tank;
the steam-pressing kettle is provided with a residual steam recovery hole, one end of the steam exhaust pipeline is communicated with the residual steam recovery hole, the other end of the steam exhaust pipeline is communicated with the residual steam recovery box, the steam exhaust part is arranged on the steam exhaust pipeline, and the emptying valve is arranged on the steam exhaust pipeline; the residual steam recovery box is communicated with an external water source and the steam generating device respectively, and the residual steam recovery box can supply water to the steam generating device.
6. The intelligent energy-saving maintenance system for the concrete prefabricated product, according to claim 5, further comprising a steam supplementing assembly, wherein the steam supplementing assembly comprises a steam supplementing pipeline and a steam supplementing valve;
one end of the steam supplementing pipeline is communicated with the steam generating device and/or the steam discharging piece, and the other end of the steam supplementing pipeline is communicated with the inside of the heat preservation chamber; the steam supplementing valve is arranged on the steam supplementing pipeline.
7. The intelligent energy-saving curing system for the concrete prefabricated product as claimed in claim 1, wherein an overflow pipeline is further arranged in the autoclave, an overflow port is formed in the upper part of the water storage tank, and the overflow pipeline is communicated with the overflow port; and the overflow pipeline is laid to the bottom of the kettle cavity along the inner wall of the still kettle.
8. An intelligent energy-saving maintenance system for precast concrete according to claim 2, wherein the heat preservation chamber frame comprises a plurality of main support rods, and a cross connecting rod is arranged between every two adjacent main support rods; the cross connecting rods are provided with connecting rod retraction positions, and the connection rod retraction positions on the adjacent cross connecting rods are opposite in direction, so that the connection rod retraction positions of the adjacent cross connecting rods are mutually involuted when the main supporting rod is retracted in place; the cross connecting rod is rotatably connected with the main supporting rod.
9. The intelligent energy-saving maintenance system for the concrete prefabricated product as claimed in claim 1, further comprising a condensed water collection box and a sedimentation tank, wherein the condensed water collection box is provided with a collection hole and a discharge hole; the still kettle is provided with a drain outlet, and high-temperature condensed water in the still kettle enters the condensed water collecting box through the drain outlet and the collecting hole; the discharge hole is communicated with the sedimentation tank, and the high-temperature condensed water is finally discharged into the sedimentation tank through the discharge hole.
10. An intelligent energy-saving maintenance system for concrete prefabricated products as claimed in claim 9, wherein a heat exchange pipe is arranged in the condensed water collecting tank; one end of the heat exchange tube is communicated with an external water source, and the other end of the heat exchange tube is communicated with the steam generating device or other water loads.
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| CN112428405A (en) * | 2020-11-30 | 2021-03-02 | 南京钜砼建筑工业技术研究所有限公司 | Intelligent energy-saving maintenance system for concrete prefabricated product |
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