Concrete prefabricated part steam curing device

Abstract

The utility model discloses a precast concrete steam curing device which comprises a steam furnace, a coal combustion chamber is arranged in the steam furnace, a water storage chamber is arranged above the coal combustion chamber in the steam furnace, a steam output pipe connected with the water storage chamber is installed on the top of the steam furnace, and a reaction box is placed on the ground on the left side of the steam furnace. A smoke exhaust pipe communicated with the coal combustion chamber is installed on the left side of the steam furnace, the upper end of the smoke exhaust pipe extends into the reaction box to be communicated with the circular shell, a plurality of flow dividing pipes communicated with the circular shell are installed on the lower side of the circular shell, a water supplementing spiral pipe is installed on the outer side of the smoke exhaust pipe, and a guide pipe communicated with the water storage chamber is installed at the upper end of the water supplementing spiral pipe. According to the utility model, the precast concrete is cured through steam generated by heating; the device is simple in structure and convenient to operate, particle impurities and sulfur dioxide pollutants in flue gas generated by coal combustion are conveniently treated, air pollution is reduced, heat in the flue gas is conveniently recycled, and the energy utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete prefabricated part curing, in particular to a concrete prefabricated part steam curing device. Background Art

[0002] In winter when the temperature is low, high-temperature steam is often required to maintain precast concrete parts. Existing steam maintenance devices mostly use coal to heat water to generate steam, and the flue gas generated by coal combustion is directly discharged. Since the flue gas contains particulate pollutants and sulfur dioxide pollutants, it will pollute the air. In addition, the flue gas also contains a large amount of heat, which causes heat loss. Therefore, in view of the above situation, it is urgent to develop a steam maintenance device for precast concrete parts that is convenient for handling particulate impurities and sulfur dioxide pollutants in the flue gas generated by coal combustion, reduces air pollution, and is convenient for recycling heat in the flue gas, improves energy utilization, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0003] The utility model aims to provide a steam curing device for precast concrete parts to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A steam curing device for precast concrete parts comprises a steam furnace, a steam output pipe, a reaction box, a smoke exhaust pipe, a water supply spiral pipe, a circular shell, a mixing mechanism and a dust filtering mechanism, wherein a coal combustion chamber is arranged in the steam furnace, a water storage chamber is arranged in the steam furnace above the coal combustion chamber, a steam output pipe connected to the water storage chamber is installed on the top of the steam furnace, a reaction box is placed on the ground on the left side of the steam furnace, a smoke exhaust pipe connected to the coal combustion chamber is installed on the left side of the steam furnace, the upper end of the smoke exhaust pipe extends into the reaction box and is connected to the circular shell, a plurality of shunt pipes connected thereto are installed on the lower side of the circular shell, a water supply spiral pipe is installed on the outer side of the smoke exhaust pipe, a conduit connected to the water storage chamber is installed on the upper end of the water supply spiral pipe, a dust filtering mechanism is detachably installed on the smoke exhaust pipe, and a mixing mechanism extending to the interior of the reaction box is installed at the bottom of the reaction box.

[0006] Preferably, the smoke exhaust pipe and the water supply spiral pipe are both made of copper.

[0007] Preferably: a one-way valve is installed on the conduit.

[0008] Preferably, the diverter pipe is provided with a plurality of air outlet holes.

[0009] Preferably: the mixing mechanism includes: a driving motor, a first gear, a second gear, a transmission shaft and stirring blades, the driving motor is fixed to the bottom of the reaction box, a first gear is installed on the output shaft of the driving motor, a second gear meshing with the first gear is installed on one side of the first gear, the second gear is installed on the transmission shaft, the transmission shaft is rotatably connected to the reaction box, and a plurality of stirring blades are fixed on the transmission shaft.

[0010] Preferably, the dust filtering mechanism comprises: a semicircular sleeve, a handle and a filter screen, the semicircular sleeve is detachably mounted on the smoke exhaust pipe, the handle is fixed on the upper side of the semicircular sleeve, and the filter screen inserted into the smoke exhaust pipe is fixed on the lower side of the semicircular sleeve.

[0011] The beneficial effects of the utility model are as follows: the concrete precast steam curing device adds coal into the coal combustion chamber for combustion, tap water is added into the water storage chamber through the water supply spiral pipe, the water vapor generated by heating is output from the steam output pipe to the concrete precast, the smoke generated by combustion is transported from the smoke exhaust pipe to the circular shell, the heat of the smoke preheats the water flow in the water supply spiral pipe to improve the utilization rate of heat, the particulate pollutants in the smoke are filtered out by the dust filtering mechanism, and the smoke is then discharged into the reaction box through multiple shunt pipes and air outlets to contact with the reaction liquid, and at the same time, the first gear, the second gear, the transmission shaft and the stirring blade are driven by the driving motor to rotate, and the reaction liquid is stirred by the stirring blade, so that the contact between the smoke and the reaction liquid is more sufficient, and then the sulfur dioxide pollutants in the smoke are fully removed. In summary, the utility model cures the concrete precast by steam generated by heating; it is convenient to treat the particulate impurities and sulfur dioxide pollutants attached to the smoke generated by coal combustion, reducing the pollution to the air, and it is convenient to recycle the heat in the smoke, improving the utilization rate of energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is an internal sectional view of the present utility model.

[0014] Figure 3 It is a partial structure diagram of the utility model Figure 1 .

[0015] Figure 4 It is a partial structure diagram of the utility model Figure 2 .

[0016] Legend:

[0017] 1. Steam furnace; 101. Coal combustion chamber; 102. Water storage chamber; 2. Steam output pipe; 3. Reaction box; 4. Smoke exhaust pipe; 5. Water supply spiral pipe; 501. Conduit; 502. One-way valve; 6. Circular shell; 601. Diverter pipe; 602. Air outlet; 7. Mixing mechanism; 701. Drive motor; 702. First gear; 703. Second gear; 704. Transmission shaft; 705. Stirring blade; 8. Dust filtering mechanism; 801. Semicircular sleeve; 802. Handle; 803. Filter. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Specific examples are given below.

[0020] See also Figure 1~Figure 4In the embodiment of the utility model, a steam curing device for precast concrete parts includes a steam furnace 1, a steam output pipe 2, a reaction box 3, a smoke exhaust pipe 4, a water supply spiral pipe 5, a circular shell 6, a mixing mechanism 7 and a dust filtering mechanism 8. A coal combustion chamber 101 is arranged in the steam furnace 1, and a water storage chamber 102 is arranged above the coal combustion chamber 101 in the steam furnace 1. A steam output pipe 2 connected to the water storage chamber 102 is installed on the top of the steam furnace 1. A reaction box 3 is placed on the ground on the left side of the steam furnace 1, and a reaction liquid reacting with sulfur dioxide is stored in the reaction box 3. The left side of the steam furnace 1 is provided with a smoke exhaust pipe 4 connected to the coal combustion chamber 101. The upper end of the smoke exhaust pipe 4 extends into the reaction box 3 and is connected to the circular shell 6. The lower side of the circular shell 6 is provided with a plurality of shunt pipes 601 connected thereto. The shunt pipes 601 are provided with a plurality of air outlets 602. The outer side of the smoke exhaust pipe 4 is provided with a water replenishment spiral pipe 5. The water replenishment spiral pipe 5 is connected to the external tap water through a pipeline. The smoke exhaust pipe 4 and the water replenishment spiral pipe 5 are both made of copper, so that they have good thermal conductivity. The upper end of the water replenishment spiral pipe 5 is provided with a The conduit 501 is connected to the water chamber 102, and a one-way valve 502 is installed on the conduit 501. The one-way valve 502 is set so that the flow can only flow from the water supply spiral tube 5 to the water storage chamber 102, and the water vapor produced in the water storage chamber 102 cannot pass through the conduit 501 to enter the water supply spiral tube 5. The smoke exhaust pipe 4 is detachably provided with a dust filtering mechanism 8, and the bottom of the reaction box 3 is provided with a mixing mechanism 7 extending to the inside thereof. When in use, coal is added to the coal combustion chamber 101 for combustion, and tap water is added to the water storage chamber 102 through the water supply spiral tube 5. The water vapor generated by heat is output from the steam output pipe 2 to the concrete precast part, and the smoke generated by combustion is transported from the smoke exhaust pipe 4 to the circular shell 6. The heat of the smoke preheats the water flow in the water supply spiral pipe 5 to improve the utilization rate of heat. The particulate pollutants in the smoke are filtered out by the dust filtering mechanism 8, and the smoke is then discharged into the reaction box 3 through multiple branch pipes 601 and air outlets 602 to contact with the reaction liquid. At the same time, the reaction liquid in the reaction box 3 is stirred by the mixing mechanism 7, so that the contact between the smoke and the reaction liquid is more sufficient, thereby fully removing the sulfur dioxide pollutant in the smoke.

[0021] The mixing mechanism 7 includes: a driving motor 701, a first gear 702, a second gear 703, a transmission shaft 704 and a stirring blade 705. The driving motor 701 is fixed to the bottom of the reaction box 3. The first gear 702 is installed on the output shaft of the driving motor 701. A second gear 703 meshing with the first gear 702 is installed on one side of the first gear 702. The second gear 703 is installed on the transmission shaft 704. The transmission shaft 704 is rotatably connected to the reaction box 3. A plurality of stirring blades 705 are fixed on the transmission shaft 704. When in use, the first gear 702, the second gear 703, the transmission shaft 704 and the stirring blade 705 are driven to rotate by the driving motor 701, and the reaction liquid is stirred by the stirring blade 705.

[0022] The dust filtering mechanism 8 includes: a semicircular sleeve 801, a handle 802 and a filter 803. The semicircular sleeve 801 can be detachably installed on the smoke exhaust pipe 4. The handle 802 is fixed on the upper side of the semicircular sleeve 801, and the filter 803 inserted into the smoke exhaust pipe 4 is fixed on the lower side of the semicircular sleeve 801. When in use, particulate impurities in the smoke are filtered out by the filter 803.

[0023] Working principle: The concrete precast part steam curing device adds coal into the coal combustion chamber 101 for combustion, and tap water is added into the water storage chamber 102 through the water supply spiral tube 5. The water vapor generated by heating is output from the steam output pipe 2 to the concrete precast part, and the smoke generated by the combustion is transported from the smoke exhaust pipe 4 to the circular shell 6. The heat of the smoke preheats the water flow in the water supply spiral tube 5 to improve the utilization rate of heat. The particulate pollutants in the smoke are filtered out by the dust filtering mechanism 8, and the smoke is then discharged into the reaction box 3 through multiple diversion pipes 601 and the air outlet 602 to contact with the reaction liquid. At the same time, the first gear 702, the second gear 703, the transmission shaft 704 and the stirring blade 705 are driven by the driving motor 701 to rotate, and the reaction liquid is stirred by the stirring blade 705, so that the contact between the smoke and the reaction liquid is more sufficient, thereby fully removing the sulfur dioxide pollutants in the smoke.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steam curing device for precast concrete parts, characterized in that: The invention comprises a steam furnace (1), a steam output pipe (2), a reaction box (3), a smoke exhaust pipe (4), a water supply spiral pipe (5), a circular shell (6), a mixing mechanism (7) and a dust filtering mechanism (8), wherein a coal combustion chamber (101) is arranged in the steam furnace (1), a water storage chamber (102) is arranged above the coal combustion chamber (101) in the steam furnace (1), a steam output pipe (2) connected to the water storage chamber (102) is installed on the top of the steam furnace (1), a reaction box (3) is placed on the ground on the left side of the steam furnace (1), and a water storage chamber (102) connected to the water storage chamber (102) is installed on the left side of the steam furnace (1). A smoke exhaust pipe (4) connected to a coal combustion chamber (101), the upper end of the smoke exhaust pipe (4) extending into the reaction box (3) and connected to the circular shell (6), a plurality of shunt pipes (601) connected thereto are installed on the lower side of the circular shell (6), a water replenishment spiral pipe (5) is installed on the outer side of the smoke exhaust pipe (4), a conduit (501) connected to the water storage chamber (102) is installed on the upper end of the water replenishment spiral pipe (5), a dust filtering mechanism (8) is detachably installed on the smoke exhaust pipe (4), and a mixing mechanism (7) extending into the interior of the reaction box (3) is installed at the bottom of the reaction box (3).

2. The precast concrete part steam curing device according to claim 1, characterized in that: The smoke exhaust pipe (4) and the water supply spiral pipe (5) are both made of copper.

3. The steam curing device for precast concrete parts according to claim 1, characterized in that: A one-way valve (502) is installed on the conduit (501).

4. The steam curing device for precast concrete parts according to claim 1, characterized in that: The diverter pipe (601) is provided with a plurality of air outlet holes (602).

5. The steam curing device for precast concrete parts according to claim 1, characterized in that: The mixing mechanism (7) comprises: a driving motor (701), a first gear (702), a second gear (703), a transmission shaft (704) and a stirring blade (705); the driving motor (701) is fixed to the bottom of a reaction box (3); the first gear (702) is mounted on the output shaft of the driving motor (701); a second gear (703) meshing with the first gear (702) is mounted on one side of the first gear (702); the second gear (703) is mounted on the transmission shaft (704); the transmission shaft (704) is rotatably connected to the reaction box (3); and a plurality of stirring blades (705) are fixed on the transmission shaft (704).

6. The steam curing device for precast concrete parts according to claim 1, characterized in that: The dust filtering mechanism (8) comprises: a semicircular sleeve (801), a handle (802) and a filter screen (803); the semicircular sleeve (801) is detachably mounted on the smoke exhaust pipe (4); the handle (802) is fixed on the upper side of the semicircular sleeve (801); and the filter screen (803) inserted into the smoke exhaust pipe (4) is fixed on the lower side of the semicircular sleeve (801).

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