CN114670323B - Steam curing device for concrete pipe and steam curing process thereof - Google Patents

Steam curing device for concrete pipe and steam curing process thereof Download PDF

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Publication number
CN114670323B
CN114670323B CN202210332363.XA CN202210332363A CN114670323B CN 114670323 B CN114670323 B CN 114670323B CN 202210332363 A CN202210332363 A CN 202210332363A CN 114670323 B CN114670323 B CN 114670323B
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China
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pipe
steam
electric valve
sealing
concrete
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CN114670323A (en
Inventor
杨寒冰
宋玉剑
任伟峰
陈晓清
张陶梅
牛洪涛
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BEIJING GANGCHUANG RUIBO CONCRETE CO LTD
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BEIJING GANGCHUANG RUIBO CONCRETE CO LTD
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening

Abstract

The application relates to the technical field of concrete pipe production, in particular to a steam curing device for concrete pipes and a steam curing process thereof, which comprises a steam curing area, a plurality of groups of sealing assemblies arranged in the steam curing area and used for sealing and placing the concrete pipes, a multistage steam pipeline system arranged on the steam curing area and an induction control assembly used for controlling the multistage steam pipeline system; each group of sealing components is provided with a plurality of sealing components with different specifications, each sealing component with different specifications is provided with a plurality of sealing components, and each sealing component is internally provided with an adaptive concrete pipe; the multistage steam pipeline system comprises an independent pipe head communicated with the inside of the sealing assembly and an independent electric valve arranged on the independent pipe head, wherein the independent electric valve is electrically connected with the induction control assembly, and the independent pipe head is inserted into one end of the concrete pipe. The application has the effect of improving the steam curing efficiency.

Description

Steam curing device for concrete pipe and steam curing process thereof
Technical Field
The application relates to the technical field of concrete pipe production, in particular to a steam curing device for concrete pipes and a steam curing process thereof.
Background
The steam curing of the concrete pipe is a key step in the production process of the concrete pipe, namely, placing the poured and molded concrete pipe in a steam curing hood, and then inputting steam into the steam curing hood to cure the concrete pipe, thereby improving the performance of the concrete pipe.
The conventional steam curing of concrete pipe has two kinds, and one kind is independent steam curing, sets up a concrete pipe in every steam curing hood, and independent steam curing's flexibility is higher, but when not evaporating curing, deposits the steam curing hood and needs great space, and at every turn uses the needs with steam curing hood handling to steam curing district, and handling steam curing hood back and forth not only increases work load and has certain potential safety hazard.
The other is concentrated steam curing, a plurality of concrete pipes with the same specification are arranged in each steam curing cover, batch steam curing of the concrete pipes is realized through concentrated steam curing, but the concrete pipes are produced one by one, the concrete pipes need to be lifted one by one, the time from the lifting of the concrete pipes to the steam curing area is different, the static stopping time of the concrete pipes is different, the steam curing is started at the same time, the product performance of the concrete pipes is different when the steam curing is caused, and the stability of the product quality is influenced to a certain extent.
The developer finds in the development improvement: the steam curing process needs to be improved, and the steam curing efficiency is improved, so that the production efficiency of the concrete pipe is improved.
Disclosure of Invention
The application provides a steam curing device for concrete pipes and a steam curing process thereof in order to improve the steam curing efficiency and thus improve the production efficiency of the concrete pipes.
In a first aspect, the application provides a steam curing device for concrete pipes, which adopts the following technical scheme:
the steam curing device for the concrete pipe comprises a steam curing area, a plurality of groups of sealing assemblies, a multistage steam pipeline system and an induction control assembly, wherein the sealing assemblies are arranged in the steam curing area and used for sealing and placing the concrete pipe;
each group of sealing assemblies is provided with a plurality of sealing assemblies with various specifications, each specification of sealing assembly is provided with a plurality of sealing assemblies, and each sealing assembly is internally provided with an adaptive concrete pipe;
the multistage steam pipeline system comprises an independent pipe head communicated with the inside of the sealing assembly and an independent electric valve arranged on the independent pipe head, wherein the independent electric valve is electrically connected with the induction control assembly, and the independent pipe head is inserted into one end of the concrete pipe.
Through adopting above-mentioned technical scheme, every seal assembly is sealed to be placed in the steam curing district with a concrete pipe, seal assembly can provide sufficient steam curing requirement for concrete pipe, prevent excessive dehydration of concrete pipe simultaneously, multistage steam piping system carries steam curing steam, in carrying each seal assembly through independent tube head, independent electric valve control independent tube head, make every seal assembly steam curing alone, and independent tube head inserts the one end of establishing at concrete pipe, can steam curing concrete pipe fast, improve steam curing efficiency, multistage steam piping system is to every group seal assembly input steam curing steam in turn, every group seal assembly can place the seal assembly of a plurality of multiple specifications, make seal assembly steam curing in turn, improve the utilization ratio of steam curing district, improve steam curing efficiency, thereby improve the production efficiency of concrete pipe.
Optionally, the sealing assembly comprises a barrel-shaped film for wrapping the concrete pipe and a mouth protecting placing ring detachably connected with the barrel-shaped film;
the protective opening placing ring is provided with a clamping groove matched with the barrel-shaped film, and a plurality of arc-shaped clamping strips used for clamping the barrel-shaped film are arranged in the clamping groove.
Through adopting above-mentioned technical scheme, concrete pipe sets up and places the circle at the mouth of protecting, and barrel type film covers concrete pipe, and barrel type film's open end sets up at the card and establishes the inslot, establishes the strip through the arc card and can conveniently and fast fix barrel type film at the card and establish the inslot, makes barrel type film and mouth of protecting place sealing connection between the circle, and sealing component sets up and evaporates in the foster district, and concrete pipe can conveniently seal in sealing component fast, and barrel type film can fold up conveniently simultaneously, makes sealing component be convenient for pack up and place.
Optionally, a placement notch for vertically placing the concrete pipe is formed in the mouth-protecting placement ring, and the placement notch is matched with the pipe orifice end of the concrete pipe.
Through adopting above-mentioned technical scheme, the mouth of pipe end of concrete pipe is placed in placing the breach, can make concrete pipe vertically place fast and protect a mouthful to place and circle, and barrel-type film can conveniently cover concrete pipe, makes things convenient for seal assembly to seal concrete pipe.
Optionally, the multi-stage steam pipeline system comprises a constant temperature conveying pipe for conveying steam, a plurality of first branch connecting pipe heads communicated with one end of the constant temperature conveying pipe, a group-stage connecting pipe communicated with the first branch connecting pipe heads, a group-stage electric valve arranged on one end of the group-stage connecting pipe close to the first branch connecting pipe heads and a first zone-stage electric valve arranged on the constant temperature conveying pipe;
the group level connecting pipe is communicated with the plurality of independent pipe heads, and the group level electric valve and the first zone level electric valve are electrically connected with the induction control assembly.
Through adopting above-mentioned technical scheme, the electric valve of induction control subassembly control group level and first district level electric valve open first district level electric valve, can conveniently and fast with the steam in the constant temperature conveyer pipe carry each first branch even tube head in, open group level electric valve, in carrying the steam group level connecting pipe through first branch even tube head, in carrying each independent tube head with steam through group level connecting pipe.
Optionally, the multi-stage steam pipeline system further comprises a heating conveying pipe for conveying steam, a plurality of second branch pipe heads communicated with one end of the heating conveying pipe, a second branch electric valve arranged on the second branch pipe heads and a second zone-level electric valve arranged on the heating conveying pipe;
the second branch pipe head is communicated with the first branch pipe head, a first branch electric valve is arranged at one end, close to the constant temperature conveying pipe, of the first branch pipe head, and the second branch electric valve, the second zone-level electric valve and the first branch electric valve are electrically connected with the induction control assembly.
Through adopting above-mentioned technical scheme, the second of response control assembly control divides even electric valve, second district level electric valve and first branch even electric valve, open second district level electric valve, can conveniently carry each second branch even tube head with the steam in the heating conveyer pipe fast in, open second branch even electric valve, carry steam to first branch even tube head through second branch even tube head in, open group level electric valve when closing first branch even electric valve, make heating conveyer pipe and group level connecting pipe intercommunication, make the steam in the heating conveyer pipe get into in the group level connecting pipe, thereby can conveniently switch the conveyer pipe with group level connecting pipe intercommunication, adjust the steam type that gets into in the group level connecting pipe, improve seal assembly's utilization ratio, improve steam curing efficiency.
Optionally, the induction control assembly includes a temperature sensor disposed on the independent pipe head and a control device electrically connected to the temperature sensor, where the control device is electrically connected to all the electric valves.
By adopting the technical scheme, the temperature sensor measures the temperature in the sealing assembly, and the control device controls all the electric valves, so that the steam curing process of the sealing assembly can be conveniently controlled.
Optionally, the steam curing area comprises a support and a steam curing placing plate arranged on the support, a sealing groove matched with the mouth protecting placing ring is formed in the steam curing placing plate, and a sealing ring is arranged in the sealing groove.
Through adopting above-mentioned technical scheme, protect the mouth to place the circle and put in the seal groove, set up the sealing washer in the seal groove, when making seal assembly place on evaporating the foster board of placing, can conveniently seal concrete pipe fast.
Optionally, the steam curing device further comprises a curing cover arranged on the steam curing placing plate and used for covering each group of sealing assemblies, and the curing cover is a curing cover made of heat insulation materials.
By adopting the technical scheme, the curing cover covers a group of sealing assemblies, so that the steam curing requirement of the concrete pipe can be improved, and the steam waste probability is reduced.
Optionally, the top of nourishing the guard shield is provided with the hoist and mount ring the fixed slot has been seted up to the bottom of nourishing the guard shield evaporate and be provided with on the foster board with the boss is established in inserting of fixed slot adaptation insert establish the boss with be provided with fixed bolt between the maintenance guard shield the bottom of nourishing the guard shield is provided with sealed cushion.
Through adopting above-mentioned technical scheme, use the fixed hoist and mount ring of crane, can conveniently remove the maintenance guard shield, insert and establish the arch in the fixed slot, insert the fixed bolt and establish between inserting arch and maintenance cover, the cooperation is sealed the cushion, enables maintenance cover convenient and fast sealing connection and steaming on the maintenance placing plate.
In a second aspect, the application provides a steam curing process of a concrete pipe steam curing device, which adopts the following technical scheme:
a steam curing process of a concrete pipe steam curing device comprises the following production steps:
s1, sealing and standing a concrete pipe: after demoulding the concrete pipe, placing the concrete pipe in the sealing assembly, and then placing the sealing assembly on the steam curing area to form a closed space in the sealing assembly, so that the independent pipe head is inserted into one end of the concrete pipe, and the concrete pipe is stopped before entering steam curing;
s2, judging whether the maintenance cover is used or not according to the ambient temperature: when the external environment temperature is higher than 10 ℃, the sealing component can provide enough steaming conditions for the concrete pipe, the steaming area is not required to be provided with the curing cover, the curing cover has good heat preservation and insulation effects, can provide better steaming conditions for the concrete pipe, and when the external environment temperature is lower than 10 ℃ or better steaming conditions are required to be provided for the concrete pipe, the steaming area is provided with the curing cover, and the curing cover covers a group of sealing components;
s3, heating and steaming the concrete pipe: opening the second zone-level electric valve, the second branch electric valve, the group-level electric valve and the independent electric valve, inputting steam into the sealing assembly through a heating conveying pipe, gradually increasing the temperature of the steam, measuring the temperature in the sealing assembly through the temperature sensor, measuring once every half hour, adjusting the opening size of the valve through a control device, controlling the heating speed, and heating the temperature in the sealing assembly to be not higher than 20 ℃ per hour;
s4, constant-temperature steam curing of the concrete pipe: after the temperature in the sealing assembly reaches the temperature required by constant-temperature steam curing, closing the second zone-level electric valve and the second split electric valve, opening the first zone-level electric valve and the first split electric valve, inputting the steam required by constant-temperature steam curing into the sealing assembly through the constant-temperature conveying pipe, measuring the temperature in the sealing assembly once per hour through the temperature sensor, and controlling the temperature change range to be +/-5 ℃;
s5, naturally cooling the concrete pipe: closing the independent electric valve, stopping injecting steam into the sealing assembly, naturally cooling the concrete pipe in the sealing assembly, and opening the sealing assembly after the temperature of the concrete pipe reaches the external environment temperature to take out the concrete pipe;
s6, recycling the sealing assemblies in different groups: the temperature rising conveying pipeline and the constant temperature conveying pipeline are arranged, steam required by temperature rising steam curing and steam required by constant temperature steam curing are separately conveyed, and the control device is used for controlling the opening or closing of the electric valve, so that a plurality of groups of sealing assemblies can be recycled, and the utilization rate of the steam curing area is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through setting up steam curing area, seal assembly, multistage steam pipe system, independent tube head, independent electric valve and response control assembly, every seal assembly is sealed to be placed in the steam curing area with a concrete pipe, seal assembly can provide sufficient steam curing requirement for the concrete pipe, simultaneously prevent that the concrete pipe from excessively desiccating, multistage steam pipe system carries steam curing steam, carry in each seal assembly through independent tube head, independent electric valve control independent tube head, make each seal assembly can steam curing alone, and independent tube head inserts and establish in the one end of concrete pipe, can steam curing the concrete pipe fast, improve steam curing efficiency, multistage steam pipe system is to every group seal assembly input steam curing steam in turn, every group seal assembly can place the seal assembly of a plurality of multiple specifications, make seal assembly can steam curing in turn, improve steam curing area's utilization ratio, improve steam curing efficiency, thereby improve concrete pipe's production efficiency;
2. the barrel-shaped film, the mouth protection placing ring, the clamping groove, the arc clamping strip and the placing notch are arranged, the concrete pipe is arranged on the mouth protection placing ring, the barrel-shaped film covers the concrete pipe, the opening end of the barrel-shaped film is arranged in the clamping groove, the barrel-shaped film can be conveniently and quickly fixed in the clamping groove through the arc clamping strip, the barrel-shaped film and the mouth protection placing ring are in sealing connection, the sealing component is arranged in the steam curing zone, the concrete pipe can be conveniently and quickly sealed in the sealing component, meanwhile, the barrel-shaped film can be conveniently folded up, the sealing component is conveniently folded and placed, the mouth of pipe end of the concrete pipe is placed in the placing notch, the concrete pipe can be quickly and vertically placed on the mouth protection placing ring, the barrel-shaped film can conveniently cover the concrete pipe, and the sealing component can conveniently seal the concrete pipe;
3. through setting up constant temperature conveyer pipe, first district level electric valve, first branch even tube head, the second divides even electric valve, group level connecting pipe, group level electric valve, the transport pipe of rising temperature, second district level electric valve, second divides even tube head and second branch even electric valve, response control assembly control group level electric valve and first district level electric valve, open first district level electric valve, can conveniently and fast carry the steam in the constant temperature conveyer pipe to each first branch even tube head, open group level electric valve, in carrying the steam to group level connecting pipe through first branch even tube head, carry the steam to each independent tube head through group level connecting pipe in, response control assembly control second divides even electric valve, second district level electric valve and first branch even electric valve, open second branch even electric valve, in can conveniently and fast carry each second branch even tube head with the steam in the transport pipe of rising temperature, open the group level electric valve and make the steam carry in first branch even tube head, the group of group even electric valve is opened simultaneously, make the steam carry the group in the group level connecting pipe with the group of group level electric valve, the steam is carried in the group level connecting pipe, the improvement, the group is carried in the group level connecting pipe, the steam is carried with the group level connecting pipe, the steam is carried in the group level connecting pipe, the group level connecting pipe is sealed, the steam is reached, the group level connecting pipe is reached, the improvement, the steam is transferred in the group level connecting pipe, and the steam is sealed, and is connected.
Drawings
Fig. 1 is a schematic structural diagram of a steam curing apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural view of another view of the steam curing device according to the embodiment of the present application.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
FIG. 4 is a schematic cross-sectional view of a steam curing apparatus in accordance with an embodiment of the present application.
Fig. 5 is an enlarged schematic view of the portion B in fig. 4.
Fig. 6 is an enlarged schematic view of portion C of fig. 4.
Reference numerals illustrate: 1. steaming and curing areas; 11. a bracket; 12. steaming and placing a plate; 13. sealing grooves; 14. a seal ring; 15. inserting a bulge; 16. fixing the bolt; 2. a seal assembly; 21. a barrel-type film; 22. a mouth protecting placement ring; 23. a clamping groove is formed; 24. arc clamping strips; 25. placing the notch; 3. a nutrient shield; 31. a hoisting ring; 32. a fixing groove; 33. sealing rubber cushion; 4. a multi-stage steam piping system; 41. an independent tube head; 411. an independent electric valve; 42. a group level connecting pipe; 421. a group-level electric valve; 43. a first branch pipe head; 431. the first branch is connected with an electric valve; 44. a constant temperature conveying pipe; 441. a first zone level electrically operated valve; 45. a second connecting pipe head; 451. a second branch electric valve; 46. heating the conveying pipe; 461. a second zone level electrically operated valve; 5. an inductive control assembly; 51. a temperature sensor; 52. and a control device.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a steam curing device for concrete pipes. Referring to fig. 1 and 2, a steam curing device for concrete pipes includes a steam curing zone 1, a plurality of groups of sealing assemblies 2 disposed in the steam curing zone 1, a curing hood 3 disposed on the steam curing zone 1 and covering a group of sealing assemblies 2, a multi-stage steam pipe system 4 disposed on the steam curing zone 1, and an induction control assembly 5 electrically connected with the multi-stage steam pipe system 4, wherein the induction control assembly 5 is not shown in the figure.
Placing concrete pipe in seal assembly 2, place seal assembly 2 again and evaporate foster district 1, can provide a sealed space for concrete pipe, when concrete pipe is still stopped, seal assembly 2 can reduce the probability that concrete pipe is desiccated, simultaneously, seal assembly 2 can provide suitable steam foster requirement for concrete pipe, when external environment temperature is less than 10 ℃ or need steam foster requirement better, the steam foster cover covers a set of seal assembly 2, the steam foster cover can provide better steam foster requirement, the multistage steam piping system 4 of induction control subassembly 5 control, multistage steam piping system 4 can carry steam that steam foster required for seal assembly 2.
Referring to fig. 1 and 2, the steam curing zone 1 includes a support 11 and a steam curing placing plate 12 disposed on the support 11, the support 11 is fixedly connected to the bottom surface of the steam curing placing plate 12, so that an installation space is formed below the steam curing placing plate 12, the multi-stage steam pipe system 4 is disposed in the installation space, and the steam curing placing plate 12 is rectangular.
The multiple groups of sealing assemblies 2 are arranged on the top surface of the steaming placing plate 12 at intervals, each group of sealing assemblies 2 is provided with a plurality of sealing assemblies 2 with various specifications, each specification of sealing assemblies 2 is provided with a plurality of sealing assemblies 2, the steaming placing plate 12 is provided with three groups of sealing assemblies 2 in the embodiment, each group of sealing assemblies 2 is provided with three specifications of sealing assemblies 2, and each specification of sealing assemblies 2 is provided with three.
Each sealing component 2 can be used for placing a concrete pipe, and the sealing components 2 with different specifications can be used for placing concrete pipes with different specifications, so that a group of sealing components 2 can be used for simultaneously placing a plurality of concrete pipes with various specifications, and the plurality of concrete pipes with various specifications can be stopped still through a group of sealing components 2.
Referring to fig. 2 and 3, the sealing assembly 2 includes a tub-shaped film 21 and a mouth guard placing ring 22 detachably connected to an open end of the tub-shaped film 21, the tub-shaped film 21 is cylindrical, the sealing assembly 2 of different specifications has tub-shaped films 21 of different specifications, the tub-shaped film 21 is adapted to a concrete pipe, the tub-shaped film 21 is made of a flexible material which is airtight, such as plastic, rubber, leather, etc., so that the tub-shaped film 21 can be conveniently folded and retracted, one end of the tub-shaped film 21 is a sealed end, and the other end of the tub-shaped film 21 is an open end.
Referring to fig. 4 and 5, the mouth guard placing ring 22 is in a circular ring plate shape, an annular clamping groove 23 is formed in the plate surface of the mouth guard placing ring 22, the clamping groove 23 is formed in the position, close to the outer annular wall, of the mouth guard placing ring 22, an arc clamping strip 24 is arranged in the clamping groove 23, the arc clamping strip 24 has elasticity, and the arc clamping strip 24 can be bent into various radians according to requirements.
Referring to fig. 2 and 3, a moving ring is disposed on the arc-shaped clamping strip 24, the sealing assemblies 2 with different specifications have different specifications of mouth guard placing rings 22, different numbers of arc-shaped clamping strips 24 are disposed according to the sizes of the mouth guard placing rings 22, and the opening end of the barrel-shaped film 21 is clamped in the clamping groove 23 through the arc-shaped clamping strips 24, so that the barrel-shaped film 21 is in sealing connection with the mouth guard placing rings 22.
Referring to fig. 3 and 5, a placement notch 25 is formed on the plate surface of the mouth guard placement ring 22, the placement notch 25 is in a circular ring shape, the placement notch 25 is arranged at the inner ring position of the mouth guard placement ring 22, the placement notch 25 is matched with the pipe orifice of the concrete pipe, and the placement notch 25 and the clamping groove 23 are arranged in concentric circles with respect to the center of the inner ring of the mouth guard placement ring 22.
Referring to fig. 2 and 6, a plurality of groups of sealing grooves 13 matched with the mouth protecting placing rings 22 are formed in the top surface of the steam curing placing plate 12, the sealing grooves 13 are circular, sealing rings 14 are arranged at the bottoms of the sealing grooves 13, and after concrete pipes are arranged in the sealing assembly 2, the mouth protecting placing rings 22 are clamped in the sealing grooves 13, so that a stable closed space is formed in the sealing assembly 2.
Referring to fig. 2 and 4, each curing hood 3 can be adapted to cover a group of sealing assemblies 2, the curing hood 3 is made of heat insulation and heat preservation materials, so that the curing hood 3 has good heat preservation and heat insulation functions, the influence of the external environment temperature on the temperature in the sealing assemblies 2 can be reduced, the consumption of steam in steaming is reduced, a plurality of lifting rings 31 are arranged at the top end of the curing hood 3, three lifting rings 31 are arranged at the top end of each curing hood 3 at intervals in the embodiment, and the curing hood 3 can be conveniently lifted and transported through the lifting rings 31.
Referring to fig. 5 and 6, a plurality of fixing grooves 32 are provided at the bottom end of the curing hood 3, insertion protrusions 15 adapted to the fixing grooves 32 are provided on the steam curing plate 12, fixing pins 16 are provided between the insertion protrusions 15 and the curing hood 3, and a sealing rubber pad 33 is provided at the bottom end of the curing hood 3.
Referring to fig. 2 and 5, in this embodiment, four fixing grooves 32 are provided at the bottom end of the curing hood 3, the four fixing grooves 32 are respectively provided at the four corners of the curing hood 3, the curing hood 3 is provided on the steam curing holding plate 12, the insertion protrusion 15 is engaged with the fixing groove 32, and the fixing pins 16 are inserted into the insertion protrusion 15 and the curing hood 3, so that the curing hood 3 can be sealed and covered on the steam curing holding plate 12.
Referring to fig. 1 and 4, the multi-stage steam piping system 4 includes an independent pipe head 41 vertically inserted on the steam curing placement plate 12, an independent electric valve 411 provided on the independent pipe head 41, a group-stage connection pipe 42 communicating with the independent pipe head 41, a group-stage electric valve 421 provided on the group-stage connection pipe 42, a first branch connection pipe head 43 communicating with the group-stage connection pipe 42, a first branch connection electric valve 431 provided on the first branch connection pipe head 43, a constant temperature delivery pipe 44 communicating with the first branch connection pipe head 43, a first zone-stage electric valve 441 provided on the constant temperature delivery pipe 44, a second branch connection pipe head 45 communicating with the first branch connection pipe head 43, a second branch connection electric valve 451 provided on the second branch connection pipe head 45, a temperature raising delivery pipe 46 communicating with the second branch connection pipe head 45, and a second zone-stage electric valve 461 provided on the temperature raising delivery pipe 46.
Referring to fig. 2 and 4, the independent tube heads 41 are provided with a plurality of independent tube heads 41, each independent tube head 41 is correspondingly communicated with one sealing component 2, the independent tube heads 41 are divided into a plurality of rows, each row of independent tube heads 41 is correspondingly provided with one group of sealing components 2, three rows of independent tube heads 41 are arranged on the steam curing placing plate 12 in the embodiment, each row of independent tube heads 41 is provided with nine independent tube heads 41, one end of each independent tube head 41 arranged on the top surface of the steam curing placing plate 12 is inserted into the protective opening placing ring 22, and after concrete pipes are placed in the sealing components 2, the independent tube heads 41 are inserted into one end of the concrete pipes.
Referring to fig. 4 and 5, the independent electric valve 411 is disposed at a position of the independent pipe head 41 near the bottom surface of the steam curing placing plate 12, and when the independent electric valve 411 is opened, steam in the group-level connecting pipe 42 can enter the sealing assembly 2, and by controlling the independent electric valve 411, the concrete pipe in one sealing assembly 2 can be independently steamed or stopped.
Referring to fig. 2 and fig. 4, the group level connection pipes 42 are communicated with a row of independent pipe heads 41, the number of the group level connection pipes 42 is set corresponding to the row number of the independent pipe heads 41, three group level connection pipes 42 are provided in this embodiment, the group level electric valves 421 are arranged at positions on the group level connection pipes 42 close to the first split connection pipe heads 43, the number of the group level electric valves 421 is the same as the number of the group level connection pipes 42, and the group level electric valves 421 are opened to enable steam to enter the group level connection pipes 42 and cooperate with the independent electric valves 411, so that concrete pipes in the same group of sealing assemblies 2 can be steamed simultaneously.
The number of the first sub-connecting pipe heads 43 is the same as the number of the group level connecting pipes 42, in this embodiment, three first sub-connecting pipe heads 43 are provided, one ends of the three first sub-connecting pipe heads 43 are all communicated with one end of the constant temperature conveying pipe 44, the other ends of the three first sub-connecting pipe heads 43 are respectively communicated with the three group level connecting pipes 42, the number of the first sub-connecting electric valves 431 is the same as the number of the first sub-connecting pipe heads 43, and the first sub-connecting electric valves 431 are arranged at positions of the first sub-connecting pipe heads 43 close to the constant temperature conveying pipe 44.
Referring to fig. 2 and 4, the first zone level electric valve 441 is disposed at a position of the constant temperature conveying pipe 44 close to the first split pipe head 43, the constant temperature conveying pipe 44 can convey constant temperature steam required by constant temperature steam curing of concrete pipes for a long time, the constant temperature steam means that the temperature of the steam reaches the temperature required by constant temperature steam curing of the concrete pipes, and the temperature variation range is within ±5 ℃.
Opening the first zone-level electric valve 441 and the first sub-connection electric valve 431 can enable constant-temperature steam in the constant-temperature conveying pipe 44 to enter the first sub-connection pipe head 43, and by controlling the first sub-connection electric valve 431, whether the steam in the constant-temperature conveying pipe 44 enters the first sub-connection pipe head 43 corresponding to the first sub-connection electric valve 431 is independently controlled while the steam in the constant-temperature conveying pipe 44 keeps entering other first sub-connection pipe heads 43.
Referring to fig. 2 and 4, the number of second branch pipe heads 45 is the same as the number of first branch pipe heads 43, in this embodiment, three second branch pipe heads 45 are provided, one ends of the three second branch pipe heads 45 are all communicated with one end of the heating conveying pipe 46, the other ends of the three second branch pipe heads 45 are respectively communicated with the three first branch pipe heads 43 and are arranged between the first branch electric valves 431 and the group-level electric valves 421, the number of second branch electric valves 451 is the same as the number of second branch pipe heads 45, and the second branch electric valves 451 are arranged at positions of the second branch pipe heads 45 close to the first branch pipe heads 43.
The second zone-level electric valve 461 is arranged at the position of the heating conveying pipe 46 close to the second branch pipe head 45, the heating conveying pipe 46 can convey heating steam required by concrete pipe heating steam curing, the heating steam means that the temperature of the steam starts to rise at uniform speed from the outside environment temperature and finally reaches the temperature required by concrete pipe constant-temperature steam curing, and the temperature rising per hour is not more than 20 ℃.
The second zone electric valve 461 and the second split electric valve 451 are opened to allow the heating steam in the heating transfer pipe 46 to enter the first split pipe head 43, and the type of the steam entering the first split pipe head 43 can be controlled by controlling the first zone electric valve 441 and the second zone electric valve 461.
Referring to fig. 4 and 5, the induction control assembly 5 includes a temperature sensor 51 provided on the independent tube head 41 and a control device 52 electrically connected to the temperature sensor 51, the control device 52 is not shown in the drawings, and when the sealing assembly 2 is provided on the steam curing plate 12, the temperature sensor 51 is provided in the sealing assembly 2, and is capable of measuring the temperature in the sealing assembly 2 and transmitting a temperature signal to the control device 52.
The first zone-level electric valve 441, the second sub-connection electric valve 451, the group-level electric valve 421, the second zone-level electric valve 461, the second sub-connection electric valve 451, and the independent electric valve 411 are all electrically connected with the control device 52, and the control device 52 can control all the electric valves.
The embodiment of the application relates to a steam curing device for concrete pipes, which comprises the following implementation principles: placing concrete pipe in placing notch 25, cover barrel type film 21 on concrete pipe, establish barrel type film 21's open end card through the arc card solid strip in the card establishes inslot 23, make barrel type film 21 and protect mouth place circle 22 sealing connection, protect mouth place circle 22 card and establish in seal groove 13, make the concrete pipe in seal assembly 2 carry out the rest, make concrete pipe seal in seal assembly 2, seal assembly 2 can prevent that concrete pipe from excessively losing water when the rest, seal assembly 2 can provide suitable steam curing requirement for concrete pipe simultaneously, need not set up the support guard 3 again, can reduce process improvement efficiency, independent tube head 41 inserts and establishes in the one end of concrete pipe, can make concrete pipe steam curing more rapidly, control electric valve through controlling means 52, make multistage steam piping system 4 can steam cure the concrete pipe in one seal assembly 2, or steam cure the concrete pipe in a set of seal assembly 2 simultaneously, multiunit seal assembly 2 can use, a set of seal assembly 2 can steam curing efficiency more than can improve the concrete pipe's of many specifications of seal assembly 2, thereby the improvement efficiency of concrete pipe production.
The embodiment of the application also discloses a steam curing process of the concrete pipe steam curing device. Referring to fig. 2 to 5, a steam curing process of a concrete pipe steam curing device comprises the following production steps:
s1, sealing and standing a concrete pipe: after demoulding the concrete pipe, placing the concrete pipe in a placing notch 25, covering a barrel-shaped film 21 on the concrete pipe, clamping the opening end of the barrel-shaped film 21 in a clamping groove 23 through an arc clamping strip 24, enabling the barrel-shaped film 21 to be in sealed connection with a port protection placing ring 22, placing a sealing assembly 2 and the concrete pipe on a steam curing placing plate 12, clamping the port protection placing ring 22 in a sealing groove 13, forming a closed space in the sealing assembly 2, inserting an independent pipe head 41 into one end of the concrete pipe, and placing the concrete pipe in the closed space for static stop before entering steam curing, so that a plurality of concrete pipes with various specifications can be arranged in a group of sealing assemblies 2 for static stop;
s2, judging whether to use the maintenance cover 3 according to the ambient temperature: when the external environment temperature is higher than 10 ℃, the sealing assembly 2 can provide enough steaming conditions for the concrete pipe, the steaming placing plate 12 is not required to be provided with the curing cover 3, the curing cover 3 has good heat preservation and insulation effects, better steaming conditions can be provided for the concrete pipe, when the external environment temperature is lower than 10 ℃ or better steaming conditions are required to be provided for the concrete pipe, the steaming placing plate 12 is provided with the curing cover 3, the curing cover 3 covers one group of sealing assemblies 2, the concrete pipe in one group of sealing assemblies 2 is required to finish stopping at the same time, and the concrete pipe in one group of sealing assemblies 2 can be steamed at the same time;
s3, heating and steaming the concrete pipe: opening a second zone-level electric valve 461, a second split electric valve 451, a group-level electric valve 421 and an independent electric valve 411, inputting heating steam into the sealing assembly 2 through a heating conveying pipe 46, heating and steaming concrete pipes, gradually increasing the steam temperature, measuring the temperature in the sealing assembly 2 through a temperature sensor 51, measuring once every half hour, adjusting the opening size of the electric valve through a control device 52, and controlling the heating speed to ensure that the temperature in the sealing assembly 2 is heated to be not more than 20 ℃ per hour;
s4, constant-temperature steam curing of the concrete pipe: after the temperature in the sealing assembly 2 reaches the temperature required by constant-temperature steam curing, closing the second zone-level electric valve 461 and the second split electric valve 451, opening the first zone-level electric valve 441 and the first split electric valve 431, inputting the constant-temperature steam required by constant-temperature steam curing into the sealing assembly 2 through the constant-temperature conveying pipe 44, measuring the temperature in the sealing assembly 2 through the temperature sensor 51, and controlling the temperature change amplitude to be +/-5 ℃ once per hour;
s5, naturally cooling the concrete pipe: closing an independent electric valve 411, stopping injecting steam into the sealing assembly 2, naturally cooling the concrete pipe in the sealing assembly 2, and opening the sealing assembly 2 after the temperature of the concrete pipe reaches the external environment temperature to take out the concrete pipe;
s6, recycling different groups of sealing assemblies 2: through setting up heating conveyer pipe 46 and constant temperature conveyer pipe 44, make the required steam of heating steam curing and the required steam of constant temperature steam curing separately carry, open or close through controlling means 52 control electric valve, can switch constant temperature steam and heating steam, the steam of the interior input of every group seal assembly 2 of flexible adjustment makes multiunit seal assembly 2 can cyclic utilization, the concrete tubular product in the multiunit seal assembly 2 carries out rest in turn, the heating steam curing, the constant temperature steam curing and natural cooling, improve the utilization ratio of steam curing district 1.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. A concrete pipe is with evaporating foster device which characterized in that: the concrete pipe sealing device comprises a steam curing area (1), a plurality of groups of sealing components (2) arranged in the steam curing area (1) and used for sealing and placing concrete pipes, a multi-stage steam pipeline system (4) arranged on the steam curing area (1) and an induction control component (5) used for controlling the multi-stage steam pipeline system (4);
each group of sealing assemblies (2) is provided with a plurality of sealing assemblies (2) with different specifications, each specification of sealing assembly (2) is provided with a plurality of sealing assemblies, and each sealing assembly (2) is internally provided with an adaptive concrete pipe;
the multistage steam pipeline system (4) comprises an independent pipe head (41) communicated with the inside of the sealing assembly (2) and an independent electric valve (411) arranged on the independent pipe head (41), the independent electric valve (411) is electrically connected with the induction control assembly (5), the independent pipe head (41) is inserted into one end of a concrete pipe,
wherein the sealing component (2) comprises a barrel-shaped film (21) for wrapping a concrete pipe and a mouth protection placing ring (22) detachably connected with the barrel-shaped film (21);
the mouth guard placing ring (22) is provided with a clamping groove (23) matched with the barrel-shaped film (21), and a plurality of arc-shaped clamping strips (24) used for clamping the barrel-shaped film (21) are arranged in the clamping groove (23).
2. The steam curing device for concrete pipes as claimed in claim 1, wherein: the protective opening placing ring (22) is provided with a placing notch (25) for vertically placing the concrete pipe, and the placing notch (25) is matched with the pipe opening end of the concrete pipe.
3. The steam curing device for concrete pipes as claimed in claim 1, wherein: the multistage steam pipeline system (4) comprises a constant temperature conveying pipe (44) for conveying steam, a plurality of first branch connecting pipe heads (43) communicated with one end of the constant temperature conveying pipe (44), a group-stage connecting pipe (42) communicated with the first branch connecting pipe heads (43), a group-stage electric valve (421) arranged on one end of the group-stage connecting pipe (42) close to the first branch connecting pipe heads (43) and a first zone-stage electric valve (441) arranged on the constant temperature conveying pipe (44);
the group level connecting pipe (42) is communicated with the plurality of independent pipe heads (41), and the group level electric valve (421) and the first zone level electric valve (441) are electrically connected with the induction control assembly (5).
4. A steam curing apparatus for concrete pipes as defined in claim 3, wherein: the multi-stage steam pipeline system (4) further comprises a heating conveying pipe (46) for conveying steam, a plurality of second branch pipe heads (45) communicated with one end of the heating conveying pipe (46), a second branch electric valve (451) arranged on the second branch pipe heads (45) and a second zone-level electric valve (461) arranged on the heating conveying pipe (46);
the second branch pipe head (45) is communicated with the first branch pipe head (43), a first branch electric valve (431) is arranged at one end, close to the constant temperature conveying pipe (44), of the first branch pipe head (43), and the second branch electric valve (451), the second zone-level electric valve (461) and the first branch electric valve (431) are electrically connected with the induction control assembly (5).
5. The steam curing device for concrete pipes as defined in claim 4, wherein: the induction control assembly (5) comprises a temperature sensor (51) arranged on the independent tube head (41) and a control device (52) electrically connected with the temperature sensor (51), and the control device (52) is electrically connected with all the electric valves.
6. The steam curing device for concrete pipes as claimed in claim 1, wherein: the steam curing area (1) comprises a support (11) and a steam curing placing plate (12) arranged on the support (11), a sealing groove (13) matched with the mouth protecting placing ring (22) is formed in the steam curing placing plate (12), and a sealing ring (14) is arranged in the sealing groove (13).
7. The steam curing device for concrete pipes as defined in claim 6, wherein: the steam curing device is characterized by further comprising curing covers (3) which are arranged on the steam curing placing plates (12) and used for covering each group of sealing assemblies (2), and the curing covers (3) are made of heat-insulating materials.
8. The steam curing device for concrete pipes as defined in claim 7, wherein: the steam curing device is characterized in that a lifting ring (31) is arranged at the top end of the curing cover (3), a fixing groove (32) is formed in the bottom end of the curing cover (3), an inserting protrusion (15) matched with the fixing groove (32) is arranged on the steam curing placing plate (12), a fixing bolt (16) is arranged between the inserting protrusion (15) and the curing cover (3), and a sealing rubber pad (33) is arranged at the bottom end of the curing cover (3).
9. A steam curing process for a concrete pipe steam curing device as defined in any one of claims 1 to 8, characterized in that: the method comprises the following production steps:
s1, sealing and standing a concrete pipe: after demoulding of the concrete pipe, placing the concrete pipe in the sealing assembly (2), and then placing the sealing assembly (2) on the steam curing area (1), so that a closed space is formed in the sealing assembly (2), and the independent pipe head (41) is inserted into one end of the concrete pipe to enable the concrete pipe to be stopped before steam curing;
s2, covering a curing cover (3) of a group of sealing assemblies (2) on the steam curing area (1), and judging whether to use the curing cover (3) according to the ambient temperature: when the external environment temperature is higher than 10 ℃, the sealing component (2) can provide enough steaming conditions for concrete pipes, the curing cover (3) is not required to be arranged in the steaming area (1), the curing cover (3) has good heat preservation and insulation effects, better steaming conditions can be provided for the concrete pipes, and when the external environment temperature is lower than 10 ℃ or better steaming conditions are required to be provided for the concrete pipes, the curing cover (3) is arranged in the steaming area (1), and the curing cover (3) covers a group of sealing components (2);
s3, evaporate foster district (1) including support (11) and setting are in evaporate foster board (12) on support (11), multistage steam piping system (4) are including perpendicular to insert establish independent tube head (41) on evaporating foster board (12), set up independent electric valve (411) on independent tube head (41), with group ' S level connecting pipe (42) of independent tube head (41) intercommunication, set up group ' S level electric valve (421) on group ' S level connecting pipe (42), with the second branch that first branch linked tube head (43) communicates link tube head (45), set up second branch that links tube head (45) on link tube head (451), with the intensification conveyer pipe (46) of second branch link tube head (45) intercommunication and set up second district level electric valve (461) on intensification conveyer pipe (46), multistage steam piping system (4) electric connection ' S induction control subassembly (5), induction control subassembly (5) are including setting up temperature sensor (51) on independent tube head (41) and with temperature sensor (51) electric connection ' S concrete curing control device (52), evaporate the pipe material. Opening the second zone-level electric valve (461), the second split-level electric valve (451), the group-level electric valve (421) and the independent electric valve (411), inputting steam into the sealing assembly (2) through a heating conveying pipe (46), gradually increasing the temperature of the steam, measuring the temperature in the sealing assembly (2) through the temperature sensor (51), measuring once every half hour, adjusting the opening size of the valve through a control device (52), controlling the heating speed, and heating the temperature in the sealing assembly (2) to be not more than 20 ℃ every hour;
s4, constant-temperature steam curing of the concrete pipe: the system comprises a first branch electric valve (431) arranged on a first branch pipe head (43), a second branch pipe head (45) communicated with the first branch pipe head (43), and a second branch electric valve (451) arranged on the second branch pipe head (45), wherein after the temperature in the sealing assembly (2) reaches the temperature required by constant temperature steaming, the second branch electric valve (461) and the second branch electric valve (451) are closed, the system further comprises a constant temperature conveying pipe (44) communicated with the first branch pipe head (43), a first branch electric valve (441) arranged on the constant temperature conveying pipe (44), the first branch electric valve (441) and the first branch electric valve (431) are opened, the required steam is input into the sealing assembly (2) through the constant temperature conveying pipe (44), and the temperature change of the sealing assembly (2) is measured once per hour through the temperature sensor (51), and the temperature change of the sealing assembly (2) is controlled within + -5 ℃;
s5, naturally cooling the concrete pipe: closing the independent electric valve (411), stopping injecting steam into the sealing assembly (2), naturally cooling the concrete pipe in the sealing assembly (2), and opening the sealing assembly (2) after the temperature of the concrete pipe reaches the external environment temperature to take out the concrete pipe;
s6, recycling the sealing assemblies (2) in different groups: the heating conveying pipe (46) and the constant temperature conveying pipe (44) are arranged, steam required by heating steam curing and steam required by constant temperature steam curing are conveyed separately, and the control device (52) is used for controlling the opening or closing of the electric valve, so that a plurality of groups of sealing assemblies (2) can be recycled, and the utilization rate of the steam curing area (1) is improved.
CN202210332363.XA 2022-03-31 2022-03-31 Steam curing device for concrete pipe and steam curing process thereof Active CN114670323B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110092680A (en) * 2010-02-10 2011-08-18 정민희 Underwater concrete product curing device
CN102699991A (en) * 2012-06-26 2012-10-03 江苏建华管桩有限公司 Automatic control system for steam curing of concrete precast pile
CN204235685U (en) * 2014-09-30 2015-04-01 广西横县桂通水泥制品有限公司 A kind of steam-cured heat-insulation system
CN204914176U (en) * 2015-09-06 2015-12-30 宁夏青龙管业股份有限公司 Cement pipe automatic control evaporates foster system
CN208375548U (en) * 2018-05-08 2019-01-15 上海浦东混凝土制品有限公司 A kind of concrete pipe sheet production line control system
CN109514718A (en) * 2018-12-29 2019-03-26 西安中铁工程装备有限公司 One kind can move formula shield duct piece steaming kiln and its steam-cured method
CN209755599U (en) * 2018-12-28 2019-12-10 湖南中路华程桥梁科技股份有限公司 Steam curing system for large-area inclined concrete pavement
CN110774432A (en) * 2019-10-28 2020-02-11 福建宝丰管桩有限公司 Novel automatic maintenance method for concrete pipe pile
CN210758377U (en) * 2019-08-26 2020-06-16 北京密云水泥制品有限责任公司 Concrete pipe evaporates foster cover

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110092680A (en) * 2010-02-10 2011-08-18 정민희 Underwater concrete product curing device
CN102699991A (en) * 2012-06-26 2012-10-03 江苏建华管桩有限公司 Automatic control system for steam curing of concrete precast pile
CN204235685U (en) * 2014-09-30 2015-04-01 广西横县桂通水泥制品有限公司 A kind of steam-cured heat-insulation system
CN204914176U (en) * 2015-09-06 2015-12-30 宁夏青龙管业股份有限公司 Cement pipe automatic control evaporates foster system
CN208375548U (en) * 2018-05-08 2019-01-15 上海浦东混凝土制品有限公司 A kind of concrete pipe sheet production line control system
CN209755599U (en) * 2018-12-28 2019-12-10 湖南中路华程桥梁科技股份有限公司 Steam curing system for large-area inclined concrete pavement
CN109514718A (en) * 2018-12-29 2019-03-26 西安中铁工程装备有限公司 One kind can move formula shield duct piece steaming kiln and its steam-cured method
CN210758377U (en) * 2019-08-26 2020-06-16 北京密云水泥制品有限责任公司 Concrete pipe evaporates foster cover
CN110774432A (en) * 2019-10-28 2020-02-11 福建宝丰管桩有限公司 Novel automatic maintenance method for concrete pipe pile

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