Vein concrete steam curing equipment
By designing a plain concrete steam curing equipment that uses a combination of transverse slide rails and longitudinal slide rails to move, the problem of uneven steam spraying in traditional equipment is solved, the uniform movement of steam nozzles and the recycling of water resources are achieved, and the concrete forming effect and energy efficiency are improved.
Patent Information
- Application Number
- CN202510583522.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2025-06-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When traditional manual use of steam maintenance equipment, the steam spraying is uneven, which affects the forming effect of plain concrete.
A plain concrete steam curing equipment is designed, using a combination of transverse slide rails and longitudinal slide rails to achieve uniform movement of the steam nozzle on the plane, and the negative pressure component and steam recovery component are driven by steam pressure to achieve uniform spraying of steam and recycling of water resources.
The steam nozzle sprays the plain concrete evenly, avoiding the problem of poor molding effect, and through steam recovery and condensation, the water resources are recycled and utilized and energy consumption is reduced.
Smart Images
Figure CN120156006A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of concrete equipment, and specifically to a steam curing equipment for plain concrete. Background Art
[0002] The performance of concrete is mainly determined by factors such as concrete components, concrete preparation, and concrete curing. When the raw materials, mix ratio, and construction technology are certain, the curing of concrete, especially the control of early curing methods, curing temperature, curing humidity, curing time, etc., has an important impact on the degree of concrete hydration and hardening, strength development, durability, etc. The curing temperature has a great influence on the development speed of the early performance of concrete. Generally speaking, the higher the curing temperature, the faster the strength develops.
[0003] When traditional manual steam curing equipment is used, steam is sprayed through fixed pipes, resulting in uneven steam spraying and easily affecting the forming effect of plain concrete. Summary of the Invention
[0004] The purpose of the present invention is to provide a steam curing equipment for plain concrete to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the present invention provides the following technical solution: A steam curing equipment for plain concrete, the steam curing device for plain concrete includes a box body. The inside of the box body is a water storage chamber, and a steam generator is fixedly installed in the water storage chamber. Two longitudinal sliding rails are symmetrically and fixedly installed on one side of the box body. Pulley is slidably installed on both of the two longitudinal sliding rails. A transverse sliding rail is fixedly installed on the pulley. A slider is slidably installed on the transverse sliding rail. A steam nozzle is fixedly installed on the slider. An air suction pump is installed on the box body. The output end of the air suction pump is connected to the steam nozzle through a first output pipe, and the input end of the air suction pump is connected to the box body through a first input pipe. Movable wheels are fixedly installed at the bottom of the box body. When the equipment operates, the steam generator generates steam by absorbing the water in the water storage chamber. The air suction pump is started, and the steam generated in the water storage chamber is sucked out through the first input pipe and sprayed out by the steam nozzle through the first output pipe to cure the concrete. At the same time, by starting the longitudinal sliding rail, the pulley can be made to drive the transverse sliding rail to move longitudinally, and then by starting the transverse sliding rail, the slider can be made to drive the steam nozzle to move transversely, so as to realize the uniform movement of the steam nozzle on the plane, which is beneficial to realizing the uniform steam spraying and curing of the plain concrete by the steam nozzle.
[0006] As a preferred technical solution, a grid is installed in the steam nozzle to realize the uniform spraying of steam.
[0007] As a preferred technical solution, a negative pressure assembly and a steam recovery assembly are provided on the box body, and the steam pressure of the second input pipeline is used to provide the operating driving force for the negative pressure assembly and the steam recovery assembly.
[0008] As a preferred technical solution, the negative pressure assembly includes a pneumatic cylinder, a piston, a threaded rod, a first control switch, a second control switch, a spring, and a first round hole.
[0009] As a preferred technical solution, a pneumatic cylinder is fixedly installed on the box body. A piston is slidably installed in the pneumatic cylinder. The piston is connected to the pneumatic cylinder through a spring. A threaded rod is fixedly installed at one end of the piston away from the spring. A first round hole is opened at one end of the pneumatic cylinder close to the threaded rod. The threaded rod penetrates through the first round hole. A first control switch and a second control switch are installed in the pneumatic cylinder. The input end of the pneumatic cylinder is connected to the output end of the suction pump through a second input pipeline. An electric control one-way valve is installed on the second input pipeline. The output end of the pneumatic cylinder is connected to the water storage chamber through a second output pipeline. An electric control pressure relief valve is installed on the second output pipeline. The first control switch is electrically connected to the electric control one-way valve and the electric control pressure relief valve. The second control switch is electrically connected to the electric control one-way valve and the electric control pressure relief valve. When the suction pump operates, part of the steam can enter the pneumatic cylinder through the second input pipeline. The piston can stretch the spring and move horizontally under the action of the steam pressure. When the piston touches the first control switch, the electric control one-way valve closes and the electric control pressure relief valve opens. The steam in the pneumatic cylinder can flow back to the water storage chamber through the second output pipeline, which is beneficial for the piston to reset under the pulling force of the spring and return the piston to the initial position to touch the second control switch. At this time, the electric control one-way valve opens and the electric control pressure relief valve closes. Part of the steam enters the pneumatic cylinder again to drive the piston to move horizontally, and the reciprocating movement of the piston in the pneumatic cylinder can be realized during the steam transportation process, which is convenient for the piston to drive the threaded rod to move synchronously.
[0010] As a preferred technical solution, the steam recovery assembly includes a cylinder body, a fixed rod, a fan blade, a rotating ring, a second round hole, and a fixed ring.
[0011] A cylinder block is fixedly installed on the box body. A fixed rod is fixedly installed inside the cylinder block. A fixed ring is fixedly installed on the fixed rod. A rotating ring is rotatably installed on the fixed ring. A plurality of fan blades are fixedly installed on the rotating ring. A second round hole is formed at the end of the cylinder block close to the threaded rod. The threaded rod penetrates through the second round hole, the fixed ring and the rotating ring, and the threaded rod forms a fit with the rotating ring. A rectangular suction pipe is installed at the top of the steam spray head. The input end of the cylinder block is connected to the rectangular suction pipe through a third input pipe. A third output pipe is installed at the output end of the cylinder block. A condensation assembly is arranged on the third output pipe. When the piston moves reciprocally, through the threaded fit between the threaded rod and the rotating ring, the rotating ring can be driven to rotate downward during the continuous reciprocating movement of the threaded rod, so that the fan blades can be driven to rotate during the rotation of the rotating ring, which is beneficial to form a suction force inside the cylinder block, so that the cylinder block can suck part of the upstream steam through the third input pipe and the rectangular suction pipe, and convey the part of the steam to the condensation assembly through the third output pipe for condensation.
[0012] As a preferred technical solution, the threaded rod and the rotating ring form a screw pair. When the threaded rod moves, the rotating ring is driven to rotate.
[0013] As a preferred technical solution, the condensation assembly includes a connecting shaft, a paddle and a condensation box.
[0014] A condensation box is fixedly installed on the box body. A plurality of connecting shafts are installed inside the condensation box. A paddle is rotatably installed on each of the plurality of connecting shafts. The input end of the condensation box close to the bottom of the paddle is connected to the output end of the cylinder block through a third output pipe. A first one-way valve is installed on the third output pipe. The output end of the condensation box is connected to the water storage chamber through a fourth output pipe. A second one-way valve is installed on the fourth output pipe. When part of the steam is conveyed into the condensation box through the third output pipe, the paddle on the connecting shaft can be driven to swing through the action of the air flow, which is beneficial to increase the contact area between the paddle and the steam. At the same time, it is also beneficial to the swinging paddle to shake off the liquid droplets attached to the paddle, which is beneficial to the rapid dripping of the condensate, and it is convenient to return the condensate to the water storage chamber through the fourth output pipe to realize the recycling of water resources.
[0015] As a preferred technical solution, refrigerating sheets are installed on the paddles.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] 1. Through the combined movement of the horizontal slide rail and the vertical slide rail in this application, the steam spray head can be moved arbitrarily on the plane, which is convenient to control the steam spray head to evenly spray steam on the plain concrete, and avoid the problem that the forming effect of the plain concrete is poor due to uneven steam spraying.
[0018] 2. By utilizing the vapor pressure, this application can achieve the reciprocating movement of the threaded rod. Consequently, under the action of the thread fit between the threaded rod and the swivel ring, the fan blade is driven to rotate, realizing the recovery of the unutilized steam into the condensation box for cooling and collection, thereby achieving the recycling of water resources.
[0019] 3. The present invention utilizes steam to drive the negative pressure component to operate, providing driving force for the operation of the steam recovery component and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a schematic structural diagram of the first perspective of the present invention;
[0021] Figure 2 is a schematic structural diagram of the second perspective of the present invention;
[0022] Figure 3 is a schematic cross-sectional structural diagram of the first cut of the present invention;
[0023] Figure 4 is a schematic cross-sectional structural diagram of the second cut of the present invention;
[0024] Figure 5 is Figure 4 an enlarged schematic structural diagram of part A in
[0025] Figure 6 is Figure 4 an enlarged schematic structural diagram of part B in
[0026] Figure 7 is Figure 4 an enlarged schematic structural diagram of part C in
[0027] In the figure: 1, box body; 2, water storage chamber; 3, steam generator; 4, longitudinal slide rail; 5, pulley; 6, transverse slide rail; 7, slider; 8, steam spray head; 9, grille; 10, suction pump; 11, first output pipeline; 12, first input pipeline; 13, moving wheel;
[0028] 15, negative pressure component; 1501, pneumatic cylinder; 1502, piston; 1503, threaded rod; 1504, first control switch; 1505, second control switch; 1506, spring; 1507, first round hole;
[0029] 16, electric control one-way valve; 17, second input pipeline; 18, second output pipeline; 19, electric control pressure relief valve;
[0030] 20, steam recovery component; 2001, cylinder body; 2002, fixed rod; 2003, fan blade; 2004, swivel ring; 2005, second round hole; 2006, fixed ring;
[0031] 21. Third input pipeline; 22. First one-way valve; 23. Rectangular suction pipe;
[0032] 24. Condensation assembly; 2401. Connecting shaft; 2402. Paddle; 2403. Refrigeration sheet; 2404. Condensation box;
[0033] 25. Third output pipeline; 26. Fourth output pipeline; 27. Second one-way valve. Detailed implementation manner
[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0035] Embodiment: As Figures 1-4 shown, the present invention provides a technical solution for a plain concrete steam curing device. The plain concrete steam curing device includes a box body 1, the inside of the box body 1 is a water storage chamber 2, a steam generator 3 is fixedly installed in the water storage chamber 2, two longitudinal slide rails 4 are symmetrically and fixedly installed on one side of the box body 1, pulleys 5 are slidably installed on both of the two longitudinal slide rails 4, a transverse slide rail 6 is fixedly installed on the pulley 5, a slider 7 is slidably installed on the transverse slide rail 6, a steam spray head 8 is fixedly installed on the slider 7, an air suction pump 10 is installed on the box body 1, the output end of the air suction pump 10 is connected to the steam spray head 8 through a first output pipeline 11, the input end of the air suction pump 10 is connected to the water storage chamber 2 through a first input pipeline 12, a moving wheel 13 is fixedly installed at the bottom of the box body 1, a grille 9 is installed in the steam spray head 8. When the device operates, the steam generator 3 generates steam by absorbing the water in the water storage chamber 2, starts the air suction pump 10, sucks out the steam generated in the water storage chamber 2 through the first input pipeline 12, and sprays the steam through the first output pipeline 11 by the steam spray head 8 to cure the concrete. At the same time, by starting the longitudinal slide rail 4, the pulley 5 can be made to drive the transverse slide rail 6 to move longitudinally, and then by starting the transverse slide rail 6, the slider 7 can be made to drive the steam spray head 8 to move transversely, so as to realize the uniform movement of the steam spray head 8 on the plane, which is beneficial to realizing the uniform spraying and curing of the plain concrete by the steam spray head 8.
[0036] A negative pressure assembly 15 and a steam recovery assembly 20 are arranged on the box body 1, and the steam pressure of the second input pipeline 17 is used to provide the operating driving force for the negative pressure assembly 15 and the steam recovery assembly 20.
[0037] As Figures 1-5As shown in the figure, the negative pressure assembly 15 includes a pneumatic cylinder 1501, a piston 1502, a threaded rod 1503, a first control switch 1504, a second control switch 1505, a spring 1506, and a first round hole 1507;
[0038] The pneumatic cylinder 1501 is fixedly installed on the box body 1. A piston 1502 is slidably installed in the pneumatic cylinder 1501. The piston 1502 is connected to the pneumatic cylinder 1501 through a spring 1506. One end of the piston 1502 away from the spring 1506 is fixedly installed with a threaded rod 1503. A first round hole 1507 is opened at one end of the pneumatic cylinder 1501 close to the threaded rod 1503. The threaded rod 1503 penetrates through the first round hole 1507. A first control switch 1504 and a second control switch 1505 are installed in the pneumatic cylinder 1501. The input end of the pneumatic cylinder 1501 is connected to the output end of the suction pump 10 through a second input pipeline 17. An electronically controlled one-way valve 16 is installed on the second input pipeline 17. The output end of the pneumatic cylinder 1501 is connected to the water storage chamber 2 through a second output pipeline 18. An electronically controlled pressure relief valve 19 is installed on the second output pipeline 18. The first control switch 1504 is electrically connected to the electronically controlled one-way valve 16 and the electronically controlled pressure relief valve 19. The second control switch 1505 is electrically connected to the electronically controlled one-way valve 16 and the electronically controlled pressure relief valve 19. In the initial state, the electronically controlled one-way valve 16 is open and the electronically controlled pressure relief valve 19 is closed. When the piston 1502 touches the first control switch 1504, the first control switch 1504 controls the electronically controlled one-way valve 16 to close and the electronically controlled pressure relief valve 19 to open. When the piston 1502 touches the second control switch 1505, the second control switch 1505 controls the electronically controlled one-way valve 16 to open and the electronically controlled pressure relief valve 19 to close. When the suction pump 10 operates, part of the steam can enter the pneumatic cylinder 1501 through the second input pipeline 17. The piston 1502 can stretch the spring 1506 to move horizontally under the action of the steam pressure. When the piston 1502 touches the first control switch 1504, the electronically controlled one-way valve 16 closes and the electronically controlled pressure relief valve 19 opens. The steam in the pneumatic cylinder 1501 can flow back to the water storage chamber 2 through the second output pipeline 18, which is beneficial for the piston 1502 to reset under the pulling force of the spring 1506, so that the piston 1502 returns to the initial position and touches the second control switch 1505. At this time, the electronically controlled one-way valve 16 opens and the electronically controlled pressure relief valve 19 closes. Part of the steam enters the pneumatic cylinder 1501 again to drive the piston 1502 to move horizontally, and the reciprocating movement of the piston 1502 in the pneumatic cylinder 1501 can be realized during the steam transportation process, which is convenient for the piston 1502 to drive the threaded rod 1503 to move synchronously.
[0039] As Figures 2-4 and Figure 6As shown, the steam recovery component 20 includes a cylinder block 2001, a fixing rod 2002, a fan blade 2003, a rotating ring 2004, a second round hole 2005, a fixing ring 2006, and a rectangular suction pipe 23;
[0040] The cylinder block 2001 is fixedly installed on the box body 1. The fixing rod 2002 is fixedly installed in the cylinder block 2001. The fixing ring 2006 is fixedly installed on the fixing rod 2002. The rotating ring 2004 is rotatably installed on the fixing ring 2006. A plurality of fan blades 2003 are fixedly installed on the rotating ring 2004. The second round hole 2005 is opened at the end of the cylinder block 2001 close to the threaded rod 1503. The threaded rod 1503 passes through the second round hole 2005, the fixing ring 2006, and the rotating ring 2004, and the threaded rod 1503 forms a fit with the rotating ring 2004. The rectangular suction pipe 23 is installed at the top of the steam nozzle 8. The input end of the cylinder block 2001 is connected to the rectangular suction pipe 23 through the third input pipe 21. The output end of the cylinder block 2001 is installed with the third output pipe 25. The third output pipe 25 is provided with a condensation component 24. When the piston 1502 reciprocates, through the threaded fit between the threaded rod 1503 and the rotating ring 2004, the rotating ring 2004 can be driven to rotate downward during the continuous reciprocating movement of the threaded rod 1503, so that the rotating ring 2004 can drive the fan blades 2003 to rotate during the rotation process, which is beneficial to form suction in the cylinder block 2001, so that the cylinder block 2001 can suck part of the upward flowing steam through the third input pipe 21 and the rectangular suction pipe 23, and convey the part of the steam to the condensation component 24 through the third output pipe 25 for condensation.
[0041] The threaded rod 1503 and the rotating ring 2004 form a screw pair. When the threaded rod 1503 moves, the rotating ring 2004 is driven to rotate.
[0042] As Figures 1-7 As shown, the condensation component 24 includes a connecting shaft 2401, a paddle 2402, and a condensation box 2404;
[0043] A condensation box 2404 is fixedly installed on the box body 1. A plurality of connecting shafts 2401 are installed in the condensation box 2404. A plurality of paddles 2402 are rotatably installed on the connecting shafts 2401. The condensation box 2404 is connected to the output end of the cylinder block 2001 through a third output pipeline 25. The third output pipeline 25 is at the same height as the lower parts of the plurality of vertically arranged paddles 2402. A first one-way valve 22 is installed on the third output pipeline 25. The output end of the condensation box 2404 is connected to the water storage chamber 2 through a fourth output pipeline 26. A second one-way valve 27 is installed on the fourth output pipeline 26. When part of the steam is transported into the condensation box 2404 through the third output pipeline 25, the airflow can drive the paddles 2402 on the connecting shafts 2401 to swing, which is beneficial to increasing the contact area between the paddles 2402 and the steam. At the same time, it is also beneficial to the swinging paddles 2402 to shake off the liquid droplets attached to the paddles 2402, which is beneficial to the rapid dripping of the condensate, and it is convenient to return the condensate to the water storage chamber 2 through the fourth output pipeline 26 to realize the recycling of water resources.
[0044] Refrigerating sheets 2403 are installed on the paddles 2402. The steam entering the condensation box 2404 can be quickly condensed through the refrigerating sheets 2403.
[0045] The working principle of the present invention:
[0046] When the equipment operates, the steam generator 3 generates steam by absorbing the water in the water storage chamber 2. The suction pump 10 is started, and the steam generated in the water storage chamber 2 is sucked out through the first input pipeline 12 and sprayed out by the steam nozzle 8 through the first output pipeline 11 to cure the concrete. At the same time, by starting the longitudinal slide rail 4, the pulley 5 can drive the transverse slide rail 6 to move longitudinally, and then by starting the transverse slide rail 6, the slider 7 can drive the steam nozzle 8 to move transversely, so that the steam nozzle 8 can be evenly moved on the plane, which is beneficial to realizing the uniform spraying and curing of the steam of the steam nozzle 8 on the plain concrete.
[0047] When the suction pump 10 operates, part of the steam can enter the pneumatic cylinder 1501 through the second input pipe 17. Under the action of the steam pressure, the piston 1502 can stretch the spring 1506 and move horizontally. When the piston 1502 touches the first control switch 1504, the electronically controlled one-way valve 16 closes and the electronically controlled pressure relief valve 19 opens. The steam in the pneumatic cylinder 1501 can flow back to the water storage chamber 2 through the second output pipe 18, which is beneficial for the piston 1502 to reset under the pulling force of the spring 1506, so that the piston 1502 returns to the initial position and touches the second control switch 1505. At this time, the electronically controlled one-way valve 16 opens and the electronically controlled pressure relief valve 19 closes. Part of the steam enters the pneumatic cylinder 1501 again to drive the piston 1502 to move horizontally, and the reciprocating movement of the piston 1502 in the pneumatic cylinder 1501 can be realized during the steam transportation process. When the piston 1502 reciprocates, through the threaded cooperation between the threaded rod 1503 and the rotating ring 2004, the rotating ring 2004 can be driven to rotate downward during the continuous reciprocating movement of the threaded rod 1503, so that the rotating ring 2004 can drive the fan blade 2003 to rotate during the rotation process, which is beneficial to form a suction force in the cylinder body 2001. Thus, the cylinder body 2001 can suck in part of the upstream steam through the third input pipe 21 and the rectangular suction pipe 23, and transport this part of the steam to the condensation box 2404 through the third output pipe 25. The airflow can drive the flap 2402 on the connecting shaft 2401 to swing, which is beneficial to increase the contact area between the flap 2402 and the steam. At the same time, it is also beneficial to the swinging flap 2402 to shake off the droplets attached to the flap 2402, which is beneficial to the rapid dripping of the condensate, and it is convenient to return the condensate to the water storage chamber 2 through the fourth output pipe 26 to realize the recycling of water resources.
[0048] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A plain concrete steam curing equipment, characterized in that: The plain concrete steam curing device comprises a box (1), the interior of the box (1) is a water storage chamber (2), a steam generator (3) is fixedly installed in the water storage chamber (2), two longitudinal slide rails (4) are symmetrically fixedly installed on one side of the box (1), pulleys (5) are slidably installed on the two longitudinal slide rails (4), transverse slide rails (6) are fixedly installed on the pulleys (5), a slider (7) is slidably installed on the transverse slide rail (6), a steam nozzle (8) is fixedly installed on the slider (7), an air suction pump (10) is installed on the box (1), the output end of the air suction pump (10) is connected to the steam nozzle (8) through a first output pipe (11), and the input end of the air suction pump (10) is connected to the water storage chamber (2) through a first input pipe (12), and a moving wheel (13) is fixedly installed on the bottom of the box (1).
2. The plain concrete steam curing equipment according to claim 1, characterized in that: A grid (9) is installed inside the steam spray head (8).
3. The plain concrete steam curing equipment according to claim 1, characterized in that: The box body (1) is provided with a negative pressure component (15) and a steam recovery component (20), and the steam pressure of the second input pipeline (17) is used to provide operating driving force for the negative pressure component (15) and the steam recovery component (20).
4. The plain concrete steam curing equipment according to claim 3, characterized in that: The negative pressure assembly (15) comprises a pneumatic cylinder (1501), a piston (1502), a threaded rod (1503), a first control switch (1504), a second control switch (1505), a spring (1506) and a first circular hole (1507); A pneumatic cylinder is fixedly mounted on the housing (1), a piston (1502) is slidably mounted in the pneumatic cylinder (1501), the piston (1502) is connected to the pneumatic cylinder (1501) via a spring (1506), a threaded rod (1503) is fixedly mounted on one end of the piston (1502) away from the spring (1506), a first circular hole (1507) is formed at one end of the pneumatic cylinder (1501) close to the threaded rod (1503), the threaded rod (1503) passes through the first circular hole (1507), and a first control switch (1504) and a second control switch (1504) are mounted in the pneumatic cylinder (1501). (1505), the input end of the pneumatic cylinder (1501) is connected to the output end of the suction pump (10) through a second input pipe (17), and an electrically controlled one-way valve (16) is installed on the second input pipe (17). The output end of the pneumatic cylinder (1501) is connected to the water storage chamber (2) through a second output pipe (18), and an electrically controlled pressure relief valve (19) is installed on the second output pipe (18). The first control switch (1504) is electrically connected to the electrically controlled one-way valve (16) and the electrically controlled pressure relief valve (19), and the second control switch (1505) is electrically connected to the electrically controlled one-way valve (16) and the electrically controlled pressure relief valve (19).
5. The plain concrete steam curing equipment according to claim 4, characterized in that: In the initial state, the electrically controlled one-way valve (16) is open and the electrically controlled pressure relief valve (19) is closed. When the piston (1502) contacts the first control switch (1504), the first control switch (1504) controls the electrically controlled one-way valve (16) to be closed and the electrically controlled pressure relief valve (19) to be opened. When the piston (1502) contacts the second control switch (1505), the second control switch (1505) controls the electrically controlled one-way valve (16) to be opened and the electrically controlled pressure relief valve (19) to be closed.
6. The plain concrete steam curing equipment according to claim 4, characterized in that: The steam recovery assembly (20) comprises a cylinder body (2001), a fixing rod (2002), a fan blade (2003), a rotating ring (2004), a second circular hole (2005), a fixing ring (2006) and a rectangular suction pipe (23); The box body (1) is fixedly mounted with a cylinder body (2001), a fixed rod (2002) is fixedly mounted inside the cylinder body (2001), a fixed ring (2006) is fixedly mounted on the fixed rod (2002), a rotating ring (2004) is rotatably mounted on the fixed ring (2006), a plurality of fan blades (2003) are fixedly mounted on the rotating ring (2004), a second circular hole (2005) is formed at the end of the cylinder body (2001) close to the threaded rod (1503), and the threaded rod (150 3) penetrates the second circular hole (2005), the fixing ring (2006) and the rotating ring (2004), and the threaded rod (1503) cooperates with the rotating ring (2004), a rectangular air intake pipe (23) is installed on the top of the steam nozzle (8), the input end of the cylinder body (2001) is connected to the rectangular air intake pipe (23) through a third input pipe (21), and a third output pipe (25) is installed on the output end of the cylinder body (2001), and a condensation component (24) is provided on the third output pipe (25).
7. The plain concrete steam curing equipment according to claim 6, characterized in that: The threaded rod (1503) and the rotating ring (2004) form a spiral pair, and when the threaded rod (1503) moves, the rotating ring (2004) is driven to rotate.
8. The plain concrete steam curing equipment according to claim 6, characterized in that: The condensation assembly (24) comprises a connecting shaft (2401), a paddle (2402) and a condensation box (2404); A condensation box (2404) is fixedly mounted on the housing (1), a plurality of connecting shafts (2401) are mounted in the condensation box (2404), and a plurality of connecting shafts (2401) are rotatably mounted with paddles (2402), the input end of the condensation box (2404) is connected to the output end of the cylinder body (2001) via a third output pipe (25), the third output pipe (25) and the lower parts of the plurality of paddles (2402) in a vertical state are at the same height, a first non-return valve (22) is mounted on the third output pipe (25), the output end of the condensation box (2404) is connected to the water storage chamber (2) via a fourth output pipe (26), and a second non-return valve (27) is mounted on the fourth output pipe (26).
9. The plain concrete steam curing equipment according to claim 8, characterized in that: The paddles (2402) are all equipped with cooling fins (2403).