A high performance concrete production device

Abstract

The present invention belongs to the technical field of concrete production, and discloses a high-performance concrete production device, including concrete production equipment and a sedimentation tower. A spray mechanism is arranged in the sedimentation tower, and a dust suction mechanism matched with the spray mechanism is also arranged in the sedimentation tower. The dust suction mechanism is located on the upper side of the air inlet of the sedimentation tower. The dust suction mechanism includes a rotating shaft rotatably connected to the sedimentation tower and a dust suction plate arranged on the rotating shaft. The front and back sides of the dust suction plate are both provided with a plurality of deformation holes deformed by heat. The dust suction plate is a "flat" structure before being heated, and a plurality of deformation holes are formed on the dust suction plate after being heated. The present scheme uses deformation holes, and when the dust suction plate absorbs particulate matter, it is a deformation hole structure, which is convenient for better capturing the particulate matter. When the dust suction plate rotates to the bottom of the spray mechanism, the dust suction plate is a flat structure, which is convenient for spraying water mist to take away the particulate matter on the dust suction plate, and guide it to the bottom of the sedimentation tower to avoid clogging the spray mechanism. The present invention solves the problem that the nozzle of the existing exhaust gas treatment device is easily clogged.

Description

Technical Field

[0001] The present invention belongs to the technical field of concrete production, and specifically relates to a high-performance concrete production device. Background Art

[0002] High-performance concrete (HPC) is a type of concrete with superior compression resistance, bending resistance, durability and durability, and is known as the concrete of the 21st century. In the process of producing concrete, a large amount of dust and harmful gases are generated during the mixing and raw material processing. At present, one of the more widely used methods for treating exhaust gas is spraying technology. This technology sprays water into the exhaust gas to reduce the concentration of particulate matter in the exhaust gas and control the exhaust gas temperature.

[0003] For example, an exhaust gas treatment device for asphalt concrete production with an existing public (announcement) number of "CN214972663U" includes a spray mechanism, a filter screen and a water mist nozzle. The water in the water tank is transported to the horizontal pipe through the working of the pump body through the connecting pipe, and then the water mist is sprayed through the water mist nozzle to spray the exhaust gas below it, so that the dust in the exhaust gas is settled to the bottom of the inner cavity of the treatment box, and then with the cooperation of the filter screen, the dust and other sediments are accumulated on the lower end side of the filter screen. After the water is circulated and pumped out through the pump body, it continues to spray the incoming exhaust gas through the water mist nozzle. Through the cross-setting of the three spray mechanisms, the contact time between the exhaust gas and the water mist sprayed by the water mist nozzle is extended, so that the dust in the exhaust gas is more fully settled, and the exhaust gas is further adsorbed and purified by the activated carbon filter screen, and the purified exhaust gas is discharged through the outlet pipe.

[0004] Existing exhaust gas treatment devices have the following defects: (1) Due to the high concentration of dust in the exhaust gas, when water mist is sprayed on it through the nozzle, dust particles are easily attached to the surface of the nozzle and deposited under the action of water. This deposition will cause the nozzle channel to gradually decrease and eventually become blocked, resulting in the inability of water mist to be sprayed into the exhaust gas, thereby weakening the dust sedimentation and cooling effect. (2) When starting and stopping, due to the delay in starting the water pump of the spray mechanism, the water outside the boundary cannot be quickly sent into the tower, causing the exhaust gas in the tower that has not reacted with water to escape, causing environmental pollution. Summary of the invention

[0005] The purpose of this scheme is to provide a high-performance concrete production device to solve the problem that the nozzle of the existing tail gas treatment device is easy to be blocked.

[0006] In order to achieve the above-mentioned purpose, the present scheme provides a high-performance concrete production device, including concrete production equipment and a sedimentation tower, wherein a spray mechanism is provided in the sedimentation tower, and a dust suction mechanism matched with the spray mechanism is also provided in the sedimentation tower, wherein the dust suction mechanism is located on the upper side of the air inlet of the sedimentation tower, and the dust suction mechanism includes a rotating shaft rotatably connected to the sedimentation tower and a dust suction plate arranged on the rotating shaft.

[0007] The principle of this scheme is that when the exhaust gas generated by the concrete production equipment enters the settling tower, the exhaust gas drives the dust collecting plate to rotate. The dust collecting plate absorbs the particles in the exhaust gas, and at the same time, the spray mechanism sprays water mist on the dust collecting plate to make the particles settle to the bottom of the tower, thereby preventing the particles from rising and blocking the spray mechanism.

[0008] The technical effect of this scheme is: by introducing a dust collection mechanism, the exhaust gas is used to drive the dust collection plate to rotate and capture the particles therein, and then the spray mechanism cooperates with the dust collection plate to spray water mist onto the dust collection plate to wash down the particles adsorbed on the dust collection plate and make them settle to the bottom of the tower.

[0009] Furthermore, the spray mechanism includes multiple spray units, and the multiple spray units are all arranged above the dust collection mechanism, and the multiple spray units are staggered; the spray unit includes a water pipe, a water mist nozzle connected to the water pipe, and a water injection pump for injecting water into the water pipe. The number of the water mist nozzles is multiple, and the multiple water mist nozzles are equidistantly arranged on the water pipe.

[0010] The technical effect of this solution is to make the water mist sprayed by the spray mechanism evenly cover the top of the dust collection mechanism, increase the coverage area of ​​the water mist, and settle the particulate matter in the exhaust gas.

[0011] Furthermore, there are a plurality of dust collecting plates, and the plurality of dust collecting plates are evenly distributed along the radial direction of the rotating shaft.

[0012] The technical effect of this solution is to increase the coverage area of ​​the dust collection plate, thereby facilitating the comprehensive capture of particulate matter in the exhaust gas.

[0013] Furthermore, a plurality of deformation holes that deform due to heat are provided on the front and back surfaces of the dust collecting plate.

[0014] The technical effects of this solution are: (1) Through the deformation holes that are deformed by heat, when the dust collecting plate absorbs particulate matter, it has a "hole"-shaped structure, so as to better capture particulate matter. (2) Since the exhaust gas from concrete production has a high heat, and since several dust collecting plates are provided with the upper side of the air inlet of the settling tower, when the dust collecting plate is heated, deformation holes are generated to capture particulate matter and accumulate it in several deformation holes, and the adsorption effect can be optimized through the deformation holes; when the dust collecting plate is not heated, no deformation holes are generated.

[0015] Furthermore, the dust collecting plate is a "flat" structure before being heated, and a plurality of deformation holes are formed on the dust collecting plate after being heated.

[0016] The technical effects of this solution are as follows: (1) Since the exhaust gas introduced from the bottom of the dust collection mechanism has a high heat content, when any dust collection plate passes through this area, the dust collection plate is deformed by the heat, forming a number of deformation holes, and more particles are captured by the rotating dust collection plate and the deformation holes. (2) When the dust collection plate rotates away from this area and passes through the spray mechanism, the spray mechanism sprays water mist onto the dust collection plate, and the deformation holes return to their original state, and the dust collection plate presents a planar structure, so that the particles in the holes are flush with the dust collection plate. At this time, the water mist nozzle sprays water mist onto the plane to settle the particles to the bottom of the tower.

[0017] Furthermore, the deformation hole is made of memory metal material.

[0018] The technical effect of this solution is that the memory metal can undergo multiple deformations without losing its properties. By utilizing the thermal deformation properties of the memory metal, the deformation holes can utilize the thermal energy in the exhaust gas to quickly adjust their shape before and after heating to capture particulate matter.

[0019] Furthermore, the rotating shaft is a truncated cone structure.

[0020] The technical effect of this solution is to facilitate the guidance of water sources and the sedimentation of particulate matter.

[0021] Furthermore, a compensation mechanism is provided on the water pipe, and the compensation mechanism includes a compensation box connected to the water pipe, branch water pipes whose two ends are respectively connected to the compensation box and the water pipe, a piston provided in the compensation box, and an electromagnet provided on the compensation box, the piston is slidably connected to the inner wall of the compensation box, and a permanent magnet matching the electromagnet is provided in the piston, the compensation box is provided with a spring fixedly connected to one side of the piston, and the other end of the spring is fixedly connected to the compensation box.

[0022] The technical effect of this solution is as follows: in the initial state, there is a water source in the compensation box. When the system starts, the electromagnet is energized to attract the permanent magnet, causing the piston to squeeze the water on its upper side and compress the spring. Water flows into the sedimentation tower through the branch pipe and the water pipe to avoid delay in starting the water pump, which causes the exhaust gas to escape. When the system is powered off, there is still unreacted exhaust gas in the sedimentation tower. At this time, the electromagnet is powered off, and the permanent magnet relies on its own gravity and the spring to compress the water on the lower side of the piston, and introduces the water into the sedimentation tower again. The spray mechanism continues to spray water mist to precipitate the particulate matter in the unreacted gas in the sedimentation tower.

[0023] Furthermore, a one-way valve is provided at the connection between the water pipe and the compensation tank and at the connection between the water pipe and the branch water pipe.

[0024] The technical effect of this solution is to make the water source flow in a set direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an overall cross-sectional view of a high performance concrete production device of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the dust collection mechanism of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the dust collecting plate of the present invention after being heated;

[0028] Figure 4 This is a schematic diagram of the structure of the dust collecting plate of the present invention before being heated;

[0029] Figure 5 The structure diagram of the compensation mechanism of the present invention is shown in FIG. Figure 1 ;

[0030] Figure 6 The structure diagram of the compensation mechanism of the present invention is shown in FIG. Figure 2 .

[0031] The figure marks in the drawings of the specification include: sedimentation tower 1, air inlet 11, spray mechanism 2, spray unit 21, water pipe 211, water mist nozzle 212, dust suction mechanism 3, rotating shaft 31, dust suction plate 32, deformation hole 321, compensation mechanism 4, compensation box 41, branch water pipe 42, piston 43, electromagnet 44, permanent magnet 45, spring 46, and one-way valve 47. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the concept and technical effects of the present invention in combination with the embodiments, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention:

[0033] Embodiment 1:

[0034] like Figure 1 As shown, a high-performance concrete production device includes concrete production equipment and a settling tower 1. The settling tower 1 is provided with a spray mechanism 2 located above an air inlet 11 and a dust suction mechanism 3 matched with the spray mechanism 2.

[0035] The spray mechanism 2 includes a plurality of spray units 21, which are all disposed above the dust suction mechanism 3, and the plurality of spray units 21 are arranged in a staggered manner; the spray unit 21 includes a water pipe 211, a water mist nozzle 212 connected to the water pipe 211, and a water injection pump for injecting water into the water pipe 211, and the number of the water mist nozzles 212 is multiple, and the plurality of water mist nozzles 212 are equidistantly disposed on the water pipe 211. Through the above arrangement, the water mist sprayed by the water mist nozzle 212 evenly covers the dust suction mechanism 3, thereby increasing the coverage area of ​​the water mist.

[0036] like Figure 2-Figure 4 As shown, the dust collecting mechanism 3 includes a rotating shaft 31 rotatably connected to the settling tower 1 and a plurality of dust collecting plates 32 arranged on the rotating shaft 31, and the plurality of dust collecting plates 32 are uniformly distributed along the radial direction of the rotating shaft 31, and the front and back sides of the dust collecting plates 32 are provided with a plurality of deformation holes 321 that are deformed by heat, and the deformation holes 321 are made of memory metal material. The dust collecting plates 32 are "flat" structures before being heated, and a plurality of deformation holes 321 are formed after the dust collecting plates 32 are heated. Since the exhaust gas introduced into the air inlet 11 has a high heat. For example, in the process of producing SMA asphalt mixture, the exhaust gas temperature of the ACP3000 mixing plant is as high as 160℃-170℃. Therefore, when the exhaust gas enters the settling tower 1 through the air inlet 11, any dust collecting plate 32 passes over the air inlet 11, and the dust collecting plate 32 is deformed by heat to form a number of deformation holes 321 to capture the particulate matter in the exhaust gas and accumulate it in the deformation holes 321. The adsorption effect can be optimized through the deformation holes 321. When the dust collecting plate 32 rotates to move away from the air inlet 11 and passes through the spray mechanism 2, the water mist nozzle 212 sprays water mist onto the dust collecting plate 32, and the deformation holes 321 return to their original state. The dust collecting plate 32 has a planar structure, and the particulate matter in the hole is flush with the dust collecting plate 32. At this time, the water mist nozzle 212 sprays water mist onto the dust collecting plate 32, so that the particulate matter is separated from the dust collecting plate 32 and flows to the gap between two adjacent dust collecting plates 32. In order to facilitate the guidance of the sedimentation of the particulate matter, the rotating shaft 31 is set as a long truncated cone structure.

[0037] Embodiment 2:

[0038] like Figure 5 and Figure 6 As shown, in order to avoid that when the system is started and stopped, due to the delay in starting the water injection pump of the spray mechanism 2, the water outside the boundary cannot be quickly sent into the settling tower 1, resulting in the escape of tail gas that has not reacted with water in the tower, causing environmental pollution. Therefore, a compensation mechanism 4 is provided on the water pipe 211 to solve this problem.

[0039] The compensation mechanism 4 includes a compensation box 41 connected to the water pipe 211, a branch water pipe 42 whose two ends are connected to the compensation box 41 and the water pipe 211 respectively, and a one-way valve 47 is provided at the connection between the water pipe 211 and the compensation box 41 and the connection between the water pipe 211 and the branch water pipe 42, so that the water source flows in a set direction, a piston 43 arranged in the compensation box 41 and an electromagnet 44 arranged on the compensation box 41, the piston 43 is slidably connected to the inner wall of the compensation box 41, and a permanent magnet 45 matched with the electromagnet 44 is arranged in the piston 43, and a spring 46 fixedly connected to one side of the piston 43 is arranged in the compensation box 41, and the other end of the spring 46 is fixedly connected to the compensation box 41; in the initial state, there is a water source in the compensation box 41. When the system is started, the electromagnet 44 is energized to absorb the permanent magnet 45, so that the piston 43 squeezes the water on its upper side and compresses the spring 46. Water flows into the settling tower 1 through the branch water pipe 42 and the water pipe 211, avoiding the delay in starting the water injection pump, which leads to the escape of the tail gas. When the system is powered off, there is still unreacted tail gas in the settling tower 1. At this time, the electromagnet 44 is powered off, and the permanent magnet 45 compresses the water under the piston 43 by its own gravity and the spring 46, and introduces the water into the settling tower 1 again, and the spray mechanism 2 continues to spray water mist to precipitate the particles in the unreacted gas in the settling tower 1.

[0040] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A high-performance concrete production device, comprising a concrete production device and a settling tower (1), wherein a spray mechanism (2) is provided in the settling tower (1), characterized in that: The settling tower (1) is further provided with a dust collecting mechanism (3) which cooperates with the spraying mechanism (2). The spraying mechanism (2) comprises a plurality of spraying units (21). The plurality of spraying units (21) are all arranged above the dust collecting mechanism (3). The dust collecting mechanism (3) is located on the upper side of the air inlet (11) of the settling tower (1). The dust collecting mechanism (3) comprises a rotating shaft (31) rotatably connected to the settling tower (1) and a dust collecting plate (32) arranged on the rotating shaft (31). The front and back sides of the dust collecting plate (32) are both provided with a plurality of deformation holes (321) which are deformed by heat. The dust collecting plate (32) is a "flat" structure before being heated. After being heated, the dust collecting plate (32) forms a plurality of deformation holes (321). The deformation holes (321) are made of a memory metal material.

2. A high performance concrete production device according to claim 1, characterized in that: The plurality of spray units (21) are arranged in a staggered manner; the spray unit (21) comprises a water pipe (211), a water mist nozzle (212) connected to the water pipe (211), and a water injection pump for injecting water into the water pipe (211); the number of the water mist nozzles (212) is multiple, and the plurality of water mist nozzles (212) are equidistantly arranged on the water pipe (211).

3. A high performance concrete production device according to claim 1, characterized in that: The number of the dust collecting plates (32) is a plurality, and the plurality of dust collecting plates (32) are uniformly distributed radially along the rotating shaft (31).

4. A high performance concrete production device according to claim 1, characterized in that: The rotating shaft (31) is a truncated cone-shaped structure.

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