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CN222363872U - Cleaning device for inner wall of boiler of thermal power plant - Google Patents

Cleaning device for inner wall of boiler of thermal power plant Download PDF

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Publication number
CN222363872U
CN222363872U CN202421195598.XU CN202421195598U CN222363872U CN 222363872 U CN222363872 U CN 222363872U CN 202421195598 U CN202421195598 U CN 202421195598U CN 222363872 U CN222363872 U CN 222363872U
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CN
China
Prior art keywords
wall
pipe
box body
boiler
way valve
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Active
Application number
CN202421195598.XU
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Chinese (zh)
Inventor
苏洪喜
冉彦雄
王涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Energy Inner Mongolia Shenglu Power Co ltd
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Shandong Energy Inner Mongolia Shenglu Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202421195598.XU priority Critical patent/CN222363872U/en
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Abstract

The utility model relates to the technical field of medical equipment, in particular to a cleaning device for the inner wall of a boiler of a thermal power plant, which comprises a box body, a flushing component and a filtering component, wherein the inner wall of the bottom of the box body is provided with a storage box for storing a descaling agent, the flushing component is arranged on the inner wall of the bottom of the box body and used for flushing dirt of the boiler, and the filtering component is arranged on the inner wall of the box body and used for filtering the water scale.

Description

Cleaning device for inner wall of boiler of thermal power plant
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a cleaning device for the inner wall of a boiler of a thermal power plant.
Background
The boiler is energy conversion equipment, and the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, so almost all thermal power plants can be equipped with the boiler, and most of the boilers of the thermal power plants continuously work, so that the scale on the inner wall of the boiler is more, and the boiler needs to be cleaned in order to ensure the heat exchange efficiency of the boiler.
In the prior art, when most boilers are cleaned, the reaction between the scale remover and the scale is generally utilized to realize the cleaning work of the scale, when the scale in the boilers is more, the scale remover with higher concentration is needed, and the scale remover with higher concentration can corrode the boilers, so that a cleaning device for the inner wall of the boiler combining physical cleaning and chemical cleaning is needed.
Disclosure of utility model
The utility model aims to provide a cleaning device for the inner wall of a boiler of a thermal power plant, so as to solve the problems in the background art.
The technical scheme of the utility model is that the cleaning device for the inner wall of the boiler of the thermal power plant comprises:
The inner wall of the bottom of the box body is provided with a storage box which is used for storing the scale remover;
the flushing assembly is arranged on the inner wall of the bottom of the box body and is used for flushing boiler dirt;
the filtering component is arranged on the inner side wall of the box body and is used for filtering scale;
a pumping assembly disposed on an inner sidewall of the tank for driving the flow of the liquid;
Wherein the pumping assembly comprises:
The pipe body is arranged on the inner side wall of the box body, and a rectangular hole is formed in the bottom of the pipe body;
The L-shaped rod is arranged in the rectangular hole in a sliding manner;
The transmission rod is arranged in the pipe body and fixed with the end part of the L-shaped rod;
The piston block is fixed at one end of the transmission rod and is in sliding connection with the inner side wall of the pipe body;
The rubber film is fixed at the other end of the transmission rod and is fixedly connected with the inner side wall of the pipe body;
The power component is arranged at the bottom of the box body and is used for driving the filtering component to rotate and driving the L-shaped rod to reciprocate.
Preferably, the method further comprises:
The first one-way valve and the second one-way valve are arranged on the side wall of the pipe body in a penetrating way, and are positioned on the same side of the piston block;
One end of the liquid supply pipe is communicated with the first one-way valve, and the other end of the liquid supply pipe is communicated with the flushing assembly;
the water pumping pipe is communicated with the second one-way valve.
Preferably, the method further comprises:
The third one-way valve and the fourth one-way valve are all arranged on the side wall of the pipe body in a penetrating way, and are positioned on the same side of the rubber membrane;
The negative pressure pipe is communicated with the third one-way valve and penetrates through the outer side wall of the box body;
And the conveying pipe is communicated with the fourth one-way valve and is connected with the filtering component.
Preferably, the flushing assembly comprises:
the buffer tank is arranged on the inner wall of the bottom of the box body, and the liquid supply pipe penetrates through the inner wall of the top of the buffer tank;
The piston plate is arranged on the inner side wall of the buffer tank in a sliding manner;
The first flow valve is arranged at the top of the buffer tank in a penetrating way;
The output pipe is communicated with the first flow valve;
The connecting pipe is obliquely arranged in the storage box and penetrates through the outer wall of the top of the storage box;
and the second flow valve is arranged at the end part of the connecting pipe and is communicated with the output pipe.
Preferably, the power assembly includes:
The motor is fixed on the outer wall of the bottom of the box body;
The crankshaft is rotatably arranged on the inner wall of the bottom of the box body, the crankshaft is fixed with the output shaft of the motor, the top of the L-shaped rod is provided with a through hole, and the crankshaft penetrates through the through hole.
Preferably, the filter assembly comprises:
The bracket is fixed on the inner side wall of the box body;
The filter cartridge is rotationally connected with the bracket and is fixed with the crankshaft;
the fixing frame is fixed at the top of the bracket and is fixed with the conveying pipe;
The annular groove is fixed on the inner wall of the filter cartridge, and the bottom of the annular groove is of a porous structure;
the filter screen is arranged at the top of the annular groove.
The utility model provides a cleaning device for the inner wall of a boiler of a thermal power plant through improvement, and compared with the prior art, the cleaning device has the following improvement and advantages:
According to the utility model, through the power assembly and the pumping assembly, pumping and suction can be simultaneously performed at two ends of the pipe body during the operation of the pumping assembly in the use process, so that clear water in the box body and negative pressure in the negative pressure pipe are further realized, the flushing operation of scale on the inner wall of the boiler is realized through the output clear water matched with flushing equipment, the suction of waste water in the boiler is realized through the negative pressure in the negative pressure pipe, the continuous flushing operation of the inner wall of the boiler is realized, the scale remover in the storage tank is matched, chemical cleaning can be performed, and the cleaning effect of the scale on the inner wall of the boiler is ensured.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the housing and motor configuration of the present utility model;
FIG. 3 is a schematic cross-sectional view of the surge tank and storage tank of the present utility model;
FIG. 4 is a schematic view of the motor, crankshaft and L-bar configuration of the present utility model;
FIG. 5 is a schematic cross-sectional view of a tube body of the present utility model;
FIG. 6 is a schematic cross-sectional view of a filter cartridge of the present utility model;
Fig. 7 is a schematic view of the explosive structure of the annular groove and the filter screen of the present utility model.
Reference numerals illustrate:
1. A case; 2, a storage tank, 3, a buffer tank, 4, a first flow valve, 5, an output pipe, 6, a second flow valve, 7, a connecting pipe, 8, a filter cartridge, 9, a bracket, 10, a motor, 11, a piston plate, 12, a liquid supply pipe, 13, a first one-way valve, 14, a pipe body, 15, a second one-way valve, 16, a third one-way valve, 17, a negative pressure pipe, 18, a fourth one-way valve, 19, a conveying pipe, 20, an L-shaped rod, 21, a crankshaft, 22, a piston block, 23, a rubber film, 24, a fixing frame, 25, an annular groove, 26, a filter screen, 27, a water suction pipe, 28 and a transmission rod.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a cleaning device for the inner wall of a boiler of a thermal power plant through improvement, and the technical scheme of the utility model is as follows:
As shown in fig. 1 to 7, a cleaning apparatus for an inner wall of a boiler of a thermal power plant includes:
The detergent box comprises a box body 1, wherein a storage box 2 is arranged on the inner wall of the bottom of the box body 1, and the storage box 2 is used for storing detergent;
The flushing assembly is arranged on the inner wall of the bottom of the box body 1 and is used for flushing boiler dirt;
The filtering component is arranged on the inner side wall of the box body 1 and is used for filtering scale;
The pumping assembly is arranged on the inner side wall of the box body 1 and is used for driving liquid to flow;
wherein, the pumping assembly includes:
The pipe body 14 is arranged on the inner side wall of the box body 1, and a rectangular hole is formed in the bottom of the pipe body 14;
an L-shaped rod 20, the L-shaped rod 20 being slidably disposed within the rectangular aperture;
The transmission rod 28, the transmission rod 28 is arranged in the pipe body 14, and the transmission rod 28 is fixed with the end part of the L-shaped rod 20;
The piston block 22, the piston block 22 is fixed at one end of the transmission rod 28, and the piston block 22 is connected with the inner side wall of the pipe body 14 in a sliding manner;
The rubber film 23, the rubber film 23 is fixed at the other end of the transmission rod 28, and the rubber film 23 is fixedly connected with the inner side wall of the pipe body 14;
The power component is arranged at the bottom of the box body 1 and is used for driving the filtering component to rotate and driving the L-shaped rod 20 to reciprocate.
Further, the method further comprises the following steps:
The first check valve 13 and the second check valve 15 are arranged on the side wall of the pipe body 14 in a penetrating way, and the first check valve 13 and the second check valve 15 are positioned on the same side of the piston block 22;
a liquid supply pipe 12, wherein one end of the liquid supply pipe 12 is communicated with a first one-way valve 13, and the other end of the liquid supply pipe 12 is communicated with a flushing assembly;
the water suction pipe 27, the water suction pipe 27 and the second check valve 15 are communicated.
Further, the method further comprises the following steps:
The third check valve 16 and the fourth check valve 18 are all arranged on the side wall of the pipe body 14 in a penetrating way, and the third check valve 16 and the fourth check valve 18 are positioned on the same side of the rubber membrane 23;
the negative pressure pipe 17, the negative pressure pipe 17 and the third one-way valve 16 are communicated, and the negative pressure pipe 17 penetrates through the outer side wall of the box body 1;
The conveying pipe 19, the conveying pipe 19 and the fourth one-way valve 18 are communicated, and the conveying pipe 19 is connected with the filtering assembly.
When the power assembly works, the pumping assembly is driven to work, the water in the box body 1 is pumped out and output, scale flushing work in the boiler is carried out, and the water in the boiler is conveyed into the filtering assembly through the negative pressure pipe 17 and the conveying pipe 19 to separate the scale from the water, wherein the first one-way valve 13, the second one-way valve 15, the third one-way valve 16, the fourth one-way valve 18, the liquid supply pipe 12, the water pumping pipe 27, the negative pressure pipe 17 and the conveying pipe 19 are matched.
Further, the flushing assembly includes:
the buffer tank 3, the buffer tank 3 is arranged on the inner wall of the bottom of the box body 1, and the liquid supply pipe 12 penetrates through the inner wall of the top of the buffer tank 3;
The piston plate 11, the piston plate 11 is slidably arranged on the inner side wall of the buffer tank 3;
The first flow valve 4 is arranged at the top of the buffer tank 3 in a penetrating way;
the output pipe 5 is communicated with the first flow valve 4;
The connecting pipe 7 is obliquely arranged in the storage box 2, and the connecting pipe 7 penetrates through the outer wall of the top of the storage box 2;
a second flow valve 6, the second flow valve 6 is arranged at the end of the connecting pipe 7, and the second flow valve 6 is communicated with the output pipe 5.
After the clear water enters the buffer tank 3 and falls to the position above the piston plate 11, along with the increase of the water quantity in the buffer tank 3, the air in the buffer tank 3 below the piston plate 11 is compressed by the piston plate 11, so that the water pressure in the buffer tank 3 is increased, the water pressure and the flow rate output by the output pipe 5 are constant under the action of the first flow valve 4, the water output by the output pipe 5 enters the flushing equipment, the water scale on the inner wall of the boiler is flushed by the flushing equipment and the water flow, and the water scale with lower adhesive force is flushed.
Further, the power assembly includes:
the motor 10, the motor 10 is fixed on the outer wall of the bottom of the box 1;
The crankshaft 21, the crankshaft 21 rotates and sets up on the inner wall of box 1 bottom, and the output shaft of crankshaft 21 and motor 10 is fixed, and the through-hole has been seted up at L type pole 20 top, and the crankshaft 21 passes the through-hole.
In the working process of the motor 10, through the crankshaft 21 and the through holes on the L-shaped rod 20, the L-shaped rod 20 is driven to reciprocate, so that the transmission rod 28 reciprocates in the pipe body 14, and the piston block 22 is driven to reciprocate and the rubber film 23 is driven to periodically deform in the reciprocating process of the transmission rod 28;
When the crankshaft 21 rotates, the filter cartridge 8 is rotated.
Further, the filter assembly includes:
the bracket 9 is fixed on the inner side wall of the box body 1;
the filter cartridge 8, the filter cartridge 8 and the bracket 9 are rotatably connected, and the filter cartridge 8 and the crankshaft 21 are fixed;
The fixing frame 24, the fixing frame 24 is fixed on the top of the bracket 9, and the fixing frame 24 and the conveying pipe 19 are fixed;
The annular groove 25, the annular groove 25 is fixed on the inner wall of the filter cartridge 8, the bottom of the annular groove 25 is a porous structure;
the filter screen 26, the filter screen 26 sets up at the ring channel 25 top.
When the filter cartridge 8 rotates, the filter screen 26 is driven to rotate, and the scale on the upper surface of the filter screen 26 is thrown to the side wall of the filter cartridge 8 under the action of centrifugal force and then falls into the annular groove 25, so that the separation of the scale is realized
The working principle is that a pipeline of the flushing equipment is communicated with the output pipe 5, a water pumping pipeline is communicated with the negative pressure pipe 17, and the water pumping pipeline is arranged in a boiler;
when in use, firstly, clean water is injected into the box body 1, and then the switch of the motor 10 is turned on;
In the working process of the motor 10, through the crankshaft 21 and the through holes on the L-shaped rod 20, the L-shaped rod 20 is driven to reciprocate, so that the transmission rod 28 reciprocates in the pipe body 14, and the piston block 22 is driven to reciprocate and the rubber film 23 is driven to periodically deform in the reciprocating process of the transmission rod 28;
In the process of reciprocating movement of the piston block 22, clean water in the box body 1 is sucked into a space on one side of the piston block 22 in the pipe body 14 through the water suction pipe 27 and the second one-way valve 15, water in the space is injected into the buffer tank 3 through the first one-way valve 13 and the liquid supply pipe 12, the clean water falls to the position above the piston plate 11 after entering the buffer tank 3, and as the water quantity in the buffer tank 3 increases, air below the piston plate 11 in the buffer tank 3 is compressed by the piston plate 11, so that the water pressure in the buffer tank 3 is increased, and under the action of the first flow valve 4, the water pressure and the flow rate output through the output pipe 5 are constant;
Similarly, when the rubber membrane 23 deforms, the space on the side of the rubber membrane 23 in the pipe body 14 is periodically increased and reduced, so that water in the water pumping pipeline and scale are sucked into the space on the side of the rubber membrane 23 in the pipe body 14 through the negative pressure pipe 17 and the third one-way valve 16, and then the scale and water are input into the filter cartridge 8 through the fourth one-way valve 18 and the conveying pipe 19;
The water output by the output pipe 5 enters the flushing equipment, the water scale on the inner wall of the boiler is flushed by the flushing equipment and the water flow, the water scale with lower adhesive force is flushed down, and the water scale in the boiler are timely pumped out by the water pumping pipeline;
After a period of time is elapsed from the flushing operation, a descaling agent is injected into the storage tank 2, the switch of the second flow valve 6 is turned on, when water in the output pipe 5 passes through, the flow rate of liquid in the output pipe 5 is larger, the pressure is smaller, under the action of pressure difference, the descaling agent in the storage tank 2 enters the output pipe 5 through the connecting pipe 7 and the second flow valve 6, and is output through flushing equipment after being mixed with water in the output pipe 5, so that scale with stronger adhesive force on the inner wall of the boiler contacts with the descaling agent, and the descaling operation is realized by utilizing chemical reaction between the descaling agent and the scale;
when the scale remover is used for cleaning the scale, part of the scale is washed down and adsorbed by the water pumping pipeline, and finally enters the filter cartridge 8;
The scale and the water that conveyer pipe 19 output directly fall on filter screen 26 surface, realize scale and water separation, at the rotatory in-process of bent axle 21, drive cartridge filter 8 rotatory simultaneously, consequently, the scale of filter screen 26 upper surface is got rid of under the effect of centrifugal force on cartridge filter 8's lateral wall, and then falls to ring channel 25, realizes the separation of scale, can avoid detergent and scale to carry out unnecessary reaction, and then reduced the quantity of detergent in the cleaning process.

Claims (6)

1. A cleaning device for an inner wall of a boiler of a thermal power plant, comprising:
The cleaning device comprises a box body (1), wherein a storage box (2) is arranged on the inner wall of the bottom of the box body (1), and the storage box (2) is used for storing a scale remover;
the flushing assembly is arranged on the inner wall of the bottom of the box body (1) and is used for flushing boiler dirt;
the filtering component is arranged on the inner side wall of the box body (1) and is used for filtering scale;
the pumping assembly is arranged on the inner side wall of the box body (1) and is used for driving liquid to flow;
Wherein the pumping assembly comprises:
The pipe body (14) is arranged on the inner side wall of the box body (1), and a rectangular hole is formed in the bottom of the pipe body (14);
An L-shaped rod (20), wherein the L-shaped rod (20) is arranged in the rectangular hole in a sliding manner;
The transmission rod (28) is arranged in the pipe body (14), and the transmission rod (28) and the end part of the L-shaped rod (20) are fixed;
The piston block (22) is fixed at one end of the transmission rod (28), and the piston block (22) is in sliding connection with the inner side wall of the pipe body (14);
The rubber film (23) is fixed at the other end of the transmission rod (28), and the rubber film (23) is fixedly connected with the inner side wall of the pipe body (14);
the power assembly is arranged at the bottom of the box body (1) and is used for driving the filtering assembly to rotate and driving the L-shaped rod (20) to reciprocate.
2. A cleaning apparatus for an inner wall of a boiler of a thermal power plant according to claim 1, further comprising:
The first check valve (13) and the second check valve (15) are arranged on the side wall of the pipe body (14) in a penetrating way, and the first check valve (13) and the second check valve (15) are arranged on the same side of the piston block (22);
A liquid supply pipe (12), wherein one end of the liquid supply pipe (12) is communicated with a first one-way valve (13), and the other end of the liquid supply pipe (12) is communicated with a flushing assembly;
And the water suction pipe (27) is communicated with the second one-way valve (15).
3. A cleaning apparatus for an inner wall of a boiler of a thermal power plant according to claim 1, further comprising:
the third one-way valve (16) and the fourth one-way valve (18), wherein the third one-way valve (16) and the fourth one-way valve (18) are all arranged on the side wall of the pipe body (14) in a penetrating way, and the third one-way valve (16) and the fourth one-way valve (18) are positioned on the same side of the rubber membrane (23);
The negative pressure pipe (17) is communicated with the third one-way valve (16), and the negative pressure pipe (17) penetrates through the outer side wall of the box body (1);
And the conveying pipe (19) is communicated with the fourth one-way valve (18), and the conveying pipe (19) is connected with the filtering assembly.
4. A cleaning apparatus for an inner wall of a boiler of a thermal power plant according to claim 2, wherein the flushing assembly comprises:
The buffer tank (3), the buffer tank (3) is arranged on the inner wall of the bottom of the box body (1), and the liquid supply pipe (12) penetrates through the inner wall of the top of the buffer tank (3);
the piston plate (11) is arranged on the inner side wall of the buffer tank (3) in a sliding manner;
the first flow valve (4) is arranged at the top of the buffer tank (3) in a penetrating way;
the output pipe (5) is communicated with the first flow valve (4);
The connecting pipe (7) is obliquely arranged in the storage box (2), and the connecting pipe (7) penetrates through the outer wall of the top of the storage box (2);
and the second flow valve (6) is arranged at the end part of the connecting pipe (7), and the second flow valve (6) is communicated with the output pipe (5).
5. A cleaning apparatus for an inner wall of a boiler of a thermal power plant according to claim 1, wherein the power assembly comprises:
the motor (10) is fixed on the outer wall of the bottom of the box body (1);
the crankshaft (21) is rotatably arranged on the inner wall of the bottom of the box body (1), the crankshaft (21) is fixed with the output shaft of the motor (10), a through hole is formed in the top of the L-shaped rod (20), and the crankshaft (21) penetrates through the through hole.
6. A cleaning apparatus for an inner wall of a boiler of a thermal power plant according to claim 5, wherein the filter assembly comprises:
The bracket (9) is fixed on the inner side wall of the box body (1);
the filter cartridge (8), the filter cartridge (8) is rotationally connected with the bracket (9), and the filter cartridge (8) is fixed with the crankshaft (21);
The fixing frame (24), the fixing frame (24) is fixed at the top of the bracket (9), and the fixing frame (24) and the conveying pipe (19) are fixed;
The annular groove (25) is fixed on the inner wall of the filter cartridge (8), and the bottom of the annular groove (25) is of a porous structure;
And the filter screen (26) is arranged at the top of the annular groove (25).
CN202421195598.XU 2024-05-29 2024-05-29 Cleaning device for inner wall of boiler of thermal power plant Active CN222363872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202421195598.XU CN222363872U (en) 2024-05-29 2024-05-29 Cleaning device for inner wall of boiler of thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202421195598.XU CN222363872U (en) 2024-05-29 2024-05-29 Cleaning device for inner wall of boiler of thermal power plant

Publications (1)

Publication Number Publication Date
CN222363872U true CN222363872U (en) 2025-01-17

Family

ID=94226628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202421195598.XU Active CN222363872U (en) 2024-05-29 2024-05-29 Cleaning device for inner wall of boiler of thermal power plant

Country Status (1)

Country Link
CN (1) CN222363872U (en)

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