CN219009255U - Pneumatic ash conveying device for power plant - Google Patents

Abstract

The utility model discloses a pneumatic ash conveying device for a power plant, which comprises a base and a bin pump. The bin pump is installed on the top of the base. A cooling mechanism is installed on the side of the bin pump on the base. The input end of the cooling mechanism It is in fluid communication with the output end of the warehouse pump, and the output end of the cooling mechanism is fixedly connected with a fixed pipe, and an anti-blocking mechanism is installed on the fixed pipe, and the other of the warehouse pump is equipped with an oxygen removal mechanism. The pneumatic ash conveying device of the power plant, through the setting of the cooling mechanism, the device can cool the high-temperature hot ash during the ash conveying process, thereby reducing the possibility of the high-temperature hot ash corroding the fixed pipe at high temperature. During the internal combustion process, affected by factors such as insufficient oxygen, the dust that may be generated contains many coal particles with insufficient combustion. Using the setting of the deoxygenation mechanism can reduce the oxygen content in the gas transmission, thereby improving the efficiency of the gas transmission. The safety and reduce the possibility of fixed pipe being oxidized and corroded.

Description

A pneumatic ash conveying device for a power plant

technical field

The utility model relates to the technical field of pneumatic ash conveying. Specifically, it is a pneumatic ash conveying device for a power plant.

Background technique

At present, in the daily production of thermal power plants, the fly ash produced by combustion is mainly collected by electrostatic precipitator and bag filter, and then transported to the dry ash storage through the pneumatic ash conveying system for comprehensive utilization. , there is a phenomenon that high-temperature hot ash causes high-temperature corrosion to the pipeline, which in turn affects the service life of the pipeline.

Utility model content

Therefore, the technical problem to be solved by the utility model is to provide an anti-corrosion pneumatic ash conveying device for a power plant.

In order to solve the above technical problems, the utility model provides the following technical solutions: a power plant pneumatic ash conveying device, including a base and a warehouse pump, the warehouse pump is installed on the top of the base, and the base is installed on one side of the warehouse pump Cooling mechanism, the input end of the cooling mechanism is in fluid communication with the output end of the warehouse pump, the output end of the cooling mechanism is fixedly connected with a fixed pipe, and an anti-blocking mechanism is installed on the fixed pipe, and the other part of the warehouse pump One is equipped with an oxygen removal mechanism, and one output end of the oxygen removal mechanism communicates with the input end of the warehouse pump, and the other output end of the oxygen removal mechanism communicates with the input end of the anti-blocking mechanism.

In the aforementioned pneumatic ash conveying device for a power plant, the cooling mechanism includes a water tank and a spiral pipe, the water tank is installed on the base, the spiral pipe is installed in the water tank, and the input end of the spiral pipe passes through the end of one side of the water tank It is in fluid communication with the output end of the storage pump, and the output end of the spiral tube passes through the end on the other side of the water tank and is in fluid communication with the input end of the fixed pipe.

In the aforementioned pneumatic ash conveying device for a power plant, a water pump is installed on the top of the water tank, the input end of the water pump is provided with a first water pipe, the output end of the water pump is provided with a second water pipe, and the other end of the second water pipe It is in fluid communication with the water tank, and the bottom of the side wall of the water tank is provided with a third water pipe.

In the above-mentioned pneumatic ash conveying device of a power plant, the surface of the fixed pipe is provided with an anti-corrosion coating.

In the above-mentioned pneumatic ash conveying device of a power plant, the anti-blocking mechanism includes a hose and more than two inclined conduits, the hose is installed on the top of the fixed pipe, the inclined conduit is arranged at the bottom of the hose, and the inclined conduit A conduit is threaded into the fixed tube, and the angled conduit is in fluid communication with the fixed tube.

In the above-mentioned pneumatic ash conveying device of a power plant, the oxygen removal mechanism includes a liquid storage tank and an air intake pipe, the air intake pipe is installed on the liquid storage tank, and part of the pipe body of the air intake pipe is inserted into the liquid storage tank. A filter plate is arranged in the liquid storage tank, and the filter plate is connected through the air inlet pipe.

In the above-mentioned pneumatic ash conveying device of a power plant, the top of the liquid storage tank is threadedly connected with an installation cylinder, the top of the installation cylinder is installed with a rotating drive component, and a rotating cylinder is arranged inside the installation cylinder, and the rotation drive component outputs The end passes through the installation cylinder and is connected with the rotating cylinder. A filter box is installed in the rotating cylinder. The upper half of the surface of the rotating cylinder is provided with a short opening, and the lower half of the surface of the rotating cylinder is provided with a long opening. The short opening and the long opening cooperate with each other.

In the above-mentioned pneumatic ash conveying device of a power plant, a first check valve and a second check valve are provided on one side of the installation cylinder, and the first check valve is located above the second check valve, and the first check valve The one-way valve cooperates with the short opening, the output end of the first one-way valve is threadedly connected with the first joint, the other end of the first joint communicates with the input end of the hose, and the second one-way valve is connected with the long The openings cooperate with each other, the output end of the second one-way valve is threadedly connected with a second joint, and the other end of the second joint communicates with the input end of the storage pump.

In the above-mentioned pneumatic ash conveying device of a power plant, the rotating drive part includes a motor and a reducer, and the power output end of the motor is drivingly connected to the input end of the reducer.

In the aforementioned pneumatic ash conveying device for a power plant, the bottom of the base is provided with a triangular support frame.

The technical solution of the utility model has achieved the following beneficial technical effects:

1. The pneumatic ash conveying device of a power plant, through the setting of the cooling mechanism, the device can cool the high-temperature hot ash during the ash conveying process, thereby reducing the possibility of high-temperature hot ash corroding the fixed pipe at high temperature. During the combustion process in the boiler chamber, affected by factors such as insufficient oxygen, the dust that may be generated contains many coal particles with insufficient combustion. The oxygen removal mechanism can be used to reduce the oxygen content in the gas transmission, thereby improving It improves the safety of gas transmission and reduces the possibility of fixed pipes being oxidized and corroded.

2. This kind of pneumatic ash conveying device of a power plant, through the cooperation of the oxygen removal mechanism and the anti-blocking mechanism, the device can intermittently blow air at the bottom of the fixed pipe in the process of conveying dust, thereby preventing Dust deposits in the fixed tube, causing blockage.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the explosion diagram of the cooling mechanism of the utility model;

Fig. 3 is the structural representation of the explosion diagram of the anti-blocking mechanism of the utility model;

Fig. 4 is the structural schematic diagram of the explosion diagram of the liquid storage tank in the oxygen removal mechanism of the utility model;

Fig. 5 is a structural schematic diagram of the exploded view of the installation cylinder in the oxygen removal mechanism of the utility model.

The reference signs in the figure are represented as: 1-base; 2-storage pump; 3-cooling mechanism; 301-water tank; 302-spiral pipe; Three water pipes; 4-fixed pipe; 5-anti-blocking mechanism; 501-hose; 502-inclined conduit; 6-deaeration mechanism; 601-liquid storage tank; ; 605-rotary driving part; 606-rotary drum; - second joint; 7 - anti-corrosion coating; 8 - tripod support.

Detailed ways

A power plant pneumatic ash conveying device in this embodiment, please refer to Figure 1, includes a base 1 and a bin pump 2, the bin pump 2 is installed on the top of the base 1, and a cooling mechanism is installed on the side of the bin pump 2 on the base 1 3. The input end of the cooling mechanism 3 is in fluid communication with the output end of the warehouse pump 2. The output end of the cooling mechanism 3 is fixedly connected with a fixed pipe 4, and an anti-blocking mechanism 5 is installed on the fixed pipe 4. Another installation of the warehouse pump 2 There is an oxygen removal mechanism 6, and one output end of the oxygen removal mechanism 6 communicates with the input end of the warehouse pump 2, and the other output end of the oxygen removal mechanism 6 communicates with the input end of the anti-blocking mechanism 5, and through the setting of the cooling mechanism 3, The high-temperature soot can be cooled, thereby reducing the possibility of high-temperature corrosion caused by the soot to the fixed pipe 4, and the oxygen content in the air can be reduced by setting the oxygen removal mechanism 6, thereby reducing the possibility of oxidation of the inner wall of the fixed pipe 4 , through the setting of the anti-blocking mechanism 5, soot can be prevented from depositing in the fixed pipe 4, thereby reducing the possibility of the fixed pipe 4 being blocked.

As shown in Figure 2, the cooling mechanism 3 includes a water tank 301 and a spiral tube 302, the water tank 301 is installed on the base 1, the spiral tube 302 is installed in the water tank 301, and the input end of the spiral tube 302 passes through the end of the water tank 301 side and the warehouse. The output end of the pump 2 is in fluid communication, and the output end of the spiral tube 302 passes through the end on the other side of the water tank 301 and is in fluid communication with the input end of the fixed pipe 4. Through the cooperation between the water tank 301 and the spiral tube 302, the soot passes through the spiral Pipe 302 can cool the soot, thereby preventing high-temperature corrosion of the fixed pipe 4. The setting of the spiral pipe 302 can increase the heat exchange area, thereby improving the cooling effect; the top of the water tank 301 is equipped with a water pump 303, and the input of the water pump 303 A first water pipe 304 is provided at the end of the water pump 303, and a second water pipe 305 is provided at the output end of the water pump 303. The other end of the second water pipe 305 is in fluid communication with the water tank 301. The bottom of the side wall of the water tank 301 is provided with a third water pipe 306. The first water pipe 304 is connected to an external water source, and the third water pipe 306 is connected to an external sewage collection device. Through the cooperation of the water pump 303 and the second water pipe 305, the water in the water tank 301 can be continuously replaced, thereby ensuring the water temperature in the water tank.

As shown in Figure 3, the surface of the fixed pipe 4 is provided with an anti-corrosion coating 7, and the anti-corrosion coating 7 adopts a cold galvanizing process, and a galvanized layer is attached on the surface of the fixed pipe 4, thereby improving the anti-corrosion property of the surface of the fixed pipe 4, Thus, the service life of the fixed pipe 4 is improved.

As shown in Figure 3, the anti-blocking mechanism 5 includes a hose 501 and more than two inclined conduits 502, the hose 501 is installed on the top of the fixed pipe 4, the inclined conduit 502 is arranged at the bottom of the hose 501, and the inclined conduits 502 penetrate The fixed pipe 4 and the inclined conduit 502 are in fluid communication with the fixed pipe 4. Through the cooperative arrangement of the flexible pipe 501 and the inclined conduit 502, the bottom of the fixed pipe 4 can be intermittently blown obliquely, so that the inside of the fixed pipe 4 is not easy to blow. Precipitation has accumulated dust, thereby preventing clogging.

As shown in Figure 4, the oxygen removal mechanism 6 includes a liquid storage tank 601 and an air intake pipe 602, the air intake pipe 602 is installed on the liquid storage tank 601, and part of the pipe body of the air intake pipe 602 is inserted in the liquid storage tank 601, and the liquid storage tank 601 There is a filter plate 603 inside, and the filter plate 603 is connected through the air intake pipe 602. Through the cooperation of the liquid storage tank 601 and the air intake pipe 602, the oxygen scavenger is stored in the liquid storage tank 601, and the gas is input into the oxygen scavenger through the air intake pipe 602. , the oxygen content in the air can be reduced, and the setting of the filter plate 603 can prevent the oxygen scavenger from being impacted by the gas and splashing into the installation cylinder 604 .

As shown in Figure 5, the top of the liquid storage tank 601 is threadedly connected with the installation cylinder 604, the installation cylinder 604 and the liquid storage tank 601 can be disassembled, thereby facilitating the replacement of the filter box 607, and the top of the installation cylinder 604 is equipped with a rotating drive part 605 , the installation cylinder 604 is provided with a rotating cylinder 606, the output end of the rotating drive part 605 passes through the installation cylinder 604 and is connected to the rotating cylinder 606 for driving, and a filter box 607 is installed in the rotating cylinder 606, and there are calcium chloride particles in the filter box 607, which can be Adsorb water molecules in the air, and then keep the air dry. The upper half of the surface of the drum 606 is provided with a short opening 608, and the lower half of the surface of the drum 606 is provided with a long opening 609. The short opening 608 and the long opening 609 cooperate with each other. One side of the installation cylinder 604 is provided with a first one-way valve 610 and a second one-way valve 611, and the first one-way valve 610 is located above the second one-way valve 611, and the first one-way valve 610 and the short opening 608 Cooperate with each other, the output end of the first one-way valve 610 is threadedly connected with the first connector 612, the other end of the first connector 612 communicates with the input end of the hose 501, the second one-way valve 611 cooperates with the long opening 609, the second The output ends of the two one-way valves 611 are threadedly connected with a second connector 613, and the other end of the second connector 613 communicates with the input end of the warehouse pump 2; the rotating drive part 605 includes a motor and a reducer, and the power output of the motor is connected to the reducer. The input end of the drive connection, the rotating drive part 605 can drive the drum 606 to rotate, and then through the matching arrangement of the short opening 608 and the long opening 609, when the short opening 608 is aligned with the first one-way valve 610, the hose 501 can be aligned. Gas delivery, when the long opening 609 is aligned with the second one-way valve 611, the gas can be delivered to the warehouse pump 2, the first one-way valve 610 and the second one-way valve 611 both play a role in preventing backflow and preventing dust from entering the installation Inside the barrel 604.

As shown in Figure 1, a tripod 8 is provided at the bottom of the base 1, and the tripod 8 is fixed on the ground by bolts, which can improve the stability of the device.

In the utility model, the working steps of the device are as follows:

1. First, use bolts to fix the triangular support frame 8 on the ground, connect the feed port on the top of the warehouse pump 2 with the ash discharge port of the external device, so that the dust generated by the external device flows into the warehouse pump 2, and then connect the intake pipe The air intake end of 602 is connected to the external gas transmission device, and oxygen scavenger is added in the liquid storage tank 601, so that the oxygen scavenger must not pass through the bottom end of the air intake pipe 602, but be lower than the filter plate 603;

2. Then, connect the output end of the fixed pipe 4 with the external ash storage device, then connect the first water pipe 304 with the external water source, and connect the third water pipe 306 with the external sewage collection device to complete the installation of the device;

3. Finally, all start the warehouse pump 2, the external air delivery device, the water pump 303 and the rotating drive part 605, and the gas blown by the external air delivery device is input into the oxygen scavenger through the air intake pipe 602, thereby reducing the air content At the same time, the rotating drive part 605 drives the drum 606 to rotate. When the long opening 609 is aligned with the second one-way valve 611, the dust in the bin pump 2 can be blown out, so as to transport the dust and store the dust in the external dust storage. device, in the dust conveying process, when the dust passes through the spiral pipe 302, the water in the water tank 301 can cool the dust; when the short opening 608 is aligned with the first one-way valve 610, it can convey air to the hose 501 for reuse The setting of the inclined conduit 502 can intermittently blow air obliquely to the bottom of the fixed pipe 4 to prevent dust deposition from clogging.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or changes derived therefrom are still within the protection scope of the claims of this patent application.

Claims (10)

1. The utility model provides a pneumatic ash conveying device of power plant, its characterized in that, includes base (1) and storehouse pump (2), the top at base (1) is installed in storehouse pump (2), cooling mechanism (3) are installed to one side that is located storehouse pump (2) on base (1), the input of cooling mechanism (3) and the output fluid of storehouse pump (2) switch on, the output fixedly connected with fixed pipe (4) of cooling mechanism (3), install anti-blocking mechanism (5) on fixed pipe (4), deoxidization mechanism (6) are installed to the other of storehouse pump (2), just one output and the input intercommunication of storehouse pump (2) of deoxidization mechanism (6), another output and the input intercommunication of anti-blocking mechanism (5) of deoxidization mechanism (6).

2. A pneumatic ash conveying device for a power plant according to claim 1, characterized in that the cooling mechanism (3) comprises a water tank (301) and a spiral pipe (302), the water tank (301) is mounted on the base (1), the spiral pipe (302) is mounted in the water tank (301), the input end of the spiral pipe (302) penetrates through the end of one side of the water tank (301) to be in fluid communication with the output end of the bin pump (2), and the output end of the spiral pipe (302) penetrates through the end of the other side of the water tank (301) to be in fluid communication with the input end of the fixed pipe (4).

3. The pneumatic ash conveying device for a power plant according to claim 2, wherein a water pump (303) is installed at the top of the water tank (301), a first water pipe (304) is arranged at the input end of the water pump (303), a second water pipe (305) is arranged at the output end of the water pump (303), the other end of the second water pipe (305) is in fluid communication with the water tank (301), and a third water pipe (306) is arranged at the bottom of the side wall of the water tank (301).

4. Pneumatic ash conveying device for power plants according to claim 1, characterized in that the surface of the fixed pipe (4) is provided with an anti-corrosion coating (7).

5. A pneumatic ash conveying device for a power plant according to claim 1, characterized in that the anti-blocking mechanism (5) comprises a hose (501) and more than two inclined ducts (502), the hose (501) is arranged at the top of the fixed pipe (4), the inclined ducts (502) are arranged at the bottom of the hose (501), the inclined ducts (502) penetrate into the fixed pipe (4), and the inclined ducts (502) are in fluid communication with the fixed pipe (4).

6. The pneumatic ash conveying device for the power plant according to claim 1, wherein the deoxidizing mechanism (6) comprises a liquid storage tank (601) and an air inlet pipe (602), the air inlet pipe (602) is arranged on the liquid storage tank (601), a part of pipe body of the air inlet pipe (602) is inserted into the liquid storage tank (601), a filter plate (603) is arranged in the liquid storage tank (601), and the filter plate (603) is connected with the air inlet pipe (602) in a penetrating mode.

7. The pneumatic ash conveying device for a power plant according to claim 6, wherein the top of the liquid storage tank (601) is in threaded connection with a mounting cylinder (604), a rotary driving component (605) is mounted at the top of the mounting cylinder (604), a rotary cylinder (606) is arranged in the mounting cylinder (604), the output end of the rotary driving component (605) penetrates through the mounting cylinder (604) to be in driving connection with the rotary cylinder (606), a filter box (607) is mounted in the rotary cylinder (606), a short opening (608) is formed in the upper half of the surface of the rotary cylinder (606), a long opening (609) is formed in the lower half of the surface of the rotary cylinder (606), and the short opening (608) is matched with the long opening (609).

8. The pneumatic ash conveying device for a power plant according to claim 7, characterized in that a first check valve (610) and a second check valve (611) are arranged on one side of the mounting cylinder (604), the first check valve (610) is located above the second check valve (611), the first check valve (610) is matched with the short opening (608), an output end of the first check valve (610) is in threaded connection with a first connector (612), the other end of the first connector (612) is communicated with an input end of a hose (501), the second check valve (611) is matched with the long opening (609), an output end of the second check valve (611) is in threaded connection with a second connector (613), and the other end of the second connector (613) is communicated with an input end of a bin pump (2).

9. A pneumatic ash conveyor for a power plant according to claim 7, characterised in that the rotary driving member (605) comprises a motor and a decelerator, the power output end of the motor being in driving connection with the input end of the decelerator.

10. Pneumatic ash conveying device for power plants according to claim 1, characterized in that the bottom of the base (1) is provided with a tripod (8).

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