CN212456802U - A waste heat boiler cleaning system - Google Patents

Abstract

The utility model provides an ash cleaning system for a waste heat boiler, which solves the problem that the ash cleaning of the existing chimney generally uses manual ash cleaning work through the ash cleaning port, and the ash cleaning is difficult, the ash cleaning effect is poor, and the ash cleaning efficiency is relatively high. Low technical issues. In this system, the chimney includes a shell with a circular truncated structure, the lower part of the shell is connected with a smoke inlet pipe, and the inner side of the outer casing is provided with a filter screen 1 and a spray pipe in order from bottom to top on the upper side of the smoke inlet pipe. 1. Filter screen 2 and spray pipe 2; the pipe D is located on the outer side of the casing; both the pipe B and the pipe D are connected with a detergent conveying pipe; the inner side of the casing is provided with a fouling guide on the lower side of the smoke inlet pipe The dirt guide plate is inverted conical, and the bottom of the dirt guide plate is connected with a sewage pipe extending out of the outer shell. The utility model performs the ash cleaning work through the spray pipe, so that the ash cleaning work becomes simpler, and has the advantages of good ash cleaning effect and high ash cleaning efficiency; at the same time, manual ash cleaning work is not required, and labor is saved. cost.

Description

A waste heat boiler cleaning system

technical field

The utility model relates to a waste heat boiler, in particular to a ash cleaning system of the waste heat boiler.

Background technique

The waste heat boiler in the prior art includes a chimney, and the chimney is provided with upper and lower layers of filter screens, and the chimney is a structure for providing ventilation for the boiler. However, during the use of the boiler, a large amount of dust will accumulate on the filter screen of the chimney and the inner wall of the casing. After a period of use, if it is not cleaned, the emission efficiency of the chimney will be affected. However, the ash cleaning of the existing chimney is generally performed manually through the ash cleaning port, but the ash cleaning effect is poor, and the ash cleaning efficiency is also low.

The applicant found that the prior art has at least the following technical problems:

1. The ash cleaning of the existing chimneys generally uses manual ash cleaning work through the ash cleaning port, and there are technical problems such as difficulty in ash cleaning, poor ash cleaning effect, and low ash cleaning efficiency.

Utility model content

The purpose of the utility model is to provide a ash cleaning system for a waste heat boiler, in order to solve the problem that the ash cleaning of the existing chimney generally uses manual ash cleaning work through the ash cleaning port, and there are difficulties in ash cleaning, poor ash cleaning effect, and ash cleaning. Less efficient technical issues. The technical effects that can be produced by the preferred technical solutions among the technical solutions provided by the present invention are detailed in the following descriptions.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides an ash cleaning system for a waste heat boiler, which comprises a chimney, wherein the chimney comprises a shell with a circular truncated structure, the lower part of the shell is connected with a smoke inlet pipe, and the inner side of the outer casing is on the upper side of the smoke inlet pipe From bottom to top, there are filter screen one, spray pipe one, filter screen two and spray pipe two; among them,

The spray pipe 1 includes a pipe A and a pipe B; the pipe A is located inside the casing and is an arc-shaped pipe; the pipe B is located outside the casing;

The second spray pipe includes a pipe C and a pipe D; the pipe C is located inside the casing and is an arc-shaped pipe; the pipe D is located outside the casing;

Both the pipe B and the pipe D are connected with a detergent delivery pipe;

The inner side of the casing is provided with a dirt guide plate on the lower side of the smoke inlet pipe, the dirt guide plate is inverted conical, and the bottom of the dirt guide plate is connected with a sewage discharge pipe extending out of the outer side of the casing.

Optionally or preferably, the pipe B and the pipe D are respectively provided with a solenoid valve 1 and a solenoid valve 2, and the solenoid valve 1 and the solenoid valve 2 are respectively electrically connected to the main controller of the waste heat boiler.

Optionally or preferably, it also includes a sedimentation tank, wherein the sedimentation tank is provided with multi-layer filter plates, and the sewage pipe sedimentation tank is communicated.

Optionally or preferably, a water storage tank is also included, and the pipe B and the pipe D are both connected to the water storage tank through a water delivery pipe, and a water pump is provided on the water delivery pipe.

Optionally or preferably, the storage tanks of the sedimentation tank are communicated through a clean water pipe.

Optionally or preferably, a solenoid valve 3 is provided on the detergent conveying pipe; the solenoid valve 3 is electrically connected with the main controller of the waste heat boiler.

Optionally or preferably, it also includes a detergent storage box, the detergent delivery pipe is connected to the detergent storage box, and the installation position of the detergent storage box is higher than the position of the detergent delivery pipe.

Optionally or preferably, the pipe A and the pipe C are provided with several dust cleaning nozzles.

Based on the above technical solutions, the embodiments of the present invention can at least produce the following technical effects:

In the ash cleaning system of the waste heat boiler provided by the utility model, when the chimney needs to be cleaned, the ash cleaning system in the utility model passes the first spray pipe and the second spray pipe to the inner wall of the chimney shell, the filter screen one, the filter screen The net 2 and other parts are sprayed with water to clean the dust; when there is too much dust and it is difficult to clean up, the detergent can also be transported to the spray pipe 1 and the spray pipe 2 through the detergent delivery pipe, and the detergent and water It is mixed and sprayed on the inner wall of the casing, the first filter screen, the second filter screen and other components to facilitate the cleaning work. The cleaned sewage enters the sewage pipe through the sewage guide plate, and is discharged to the outside of the chimney through the sewage pipe; in addition, Since the pipes A and C of the first spray pipe and the second spray pipe located on the inner side of the inner shell are all arc-shaped pipes, the direction of the spray nozzles on them can be more convenient to align the side wall of the shell for flushing and cleaning; and the chimney shell is set It is a circular truncated structure. When the flue gas enters the casing from the smoke inlet pipe, the inner wall of the casing is inclined, which can not only block part of the dust in the flue gas, but also make it inconvenient for the dust to stay on the inner wall, reducing chimney cleaning. The number of times of ash cleaning; the utility model performs ash cleaning work through the spray pipe, so that the ash cleaning work becomes simpler, and has the advantages of good ash cleaning effect and high ash cleaning efficiency; at the same time, manual ash cleaning work is not required. , saving labor costs.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an experimental example of the present invention.

In the picture: 1. Shell; 2. Smoke inlet pipe; 3. Filter 1; 4. Spray pipe 1; 401, Pipe A; 402, Pipe B; 5. Filter 2; 6. Spray pipe 2; 601 , pipe C; 602, pipe D; 7, sewage guide plate; 8, detergent delivery pipe; 9, sewage pipe; 10, solenoid valve one; 11, solenoid valve two; 12, solenoid valve three; 13, water pump; 14 , sedimentation tank; 15, storage tank; 16, clean water pipe; 17, clean water valve; 18, sewage valve; 19, cleaning nozzle; 20, detergent storage box; 21, water pipe.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

As shown in Figure 1:

The utility model provides an ash cleaning system for a waste heat boiler, which includes a chimney, and the chimney includes an outer shell 1 with a circular truncated structure. The lower part of the outer shell 1 is connected with a smoke inlet pipe 2. The upper side of the pipe 2 is provided with a filter screen one 3, a spray pipe one 4, a filter screen two 5 and a spray pipe two 6 in order from bottom to top; among them,

The spray pipe 1 4 includes a pipe A 401 and a pipe B 402; the pipe A 401 is located inside the casing 1 and is an arc-shaped pipe; the pipe B 402 is located outside the casing 1;

The second spray pipe 6 includes a pipe C 601 and a pipe D 602; the pipe C 601 is located inside the casing 1 and is an arc-shaped pipe; the pipe D 602 is located outside the casing 1;

Both the pipe B 402 and the pipe D 602 are connected with a detergent delivery pipe 8;

The inner side of the casing 1 is provided with a dirt guide plate 7 on the lower side of the smoke inlet pipe 2. The dirt guide plate 7 is inverted conical, and the bottom of the dirt guide plate 7 is connected with a sewage discharge pipe 9 extending out of the outer casing 1. .

In the ash cleaning system of the waste heat boiler provided by the utility model, when the chimney needs to be cleaned, the ash cleaning system in the utility model passes the first spray pipe 4 and the second spray pipe 6 to the inner wall of the chimney shell 1 and the filter screen. 1. 3. Spray water on the filter screen 2 5 and other components to clean the dust; when there is too much dust and it is difficult to clean up, the detergent can also be transported to the spray pipe 1 4 and the spray pipe 2 through the detergent delivery pipe 8 6, mix the detergent with water and spray it on the inner wall of the casing 1, the filter screen 1 3, the filter screen 2 5 and other components to facilitate the cleaning work. The cleaned sewage enters through the dirt guide plate 7. The sewage pipe 9 is discharged to the outside of the chimney through the sewage pipe 9; in addition, since the spray pipe one 4 and the spray pipe two 6 are located in the pipe A 401 and the pipe C 601 on the inner side of the inner shell are arc-shaped pipes, the direction of the nozzle on it is It can be more convenient to align the side wall of the casing 1 for flushing and cleaning; and the chimney casing 1 is set to a circular truncated structure, when the flue gas enters the casing 1 from the smoke inlet pipe 2, because the inner wall of the casing 1 is inclined, not only can The dust in the flue gas blocks a part of the dust, and at the same time, it can also make the dust inconvenient to stay on the inner wall, and reduce the number of times of cleaning the chimney; It has the advantages of good cleaning effect and high cleaning efficiency; at the same time, it does not need manual cleaning work, which saves labor costs.

As an optional implementation manner, the tube A 401 and the tube B 402 are of an integrated structure; the tube B 402 and the tube D602 are of an integrated structure.

As an optional implementation manner, a solenoid valve 10 and a solenoid valve 2 11 are respectively provided on the pipe B 402 and the pipe D 602, and the solenoid valve 1 10 and the solenoid valve 2 11 are respectively electrically connected to the main controller of the waste heat boiler. connect.

As an optional embodiment, a sedimentation tank 14 is also included. The sedimentation tank 14 is provided with multi-layer filter plates, and the sewage pipe 9 is connected to the sedimentation tank 14 .

As an optional embodiment, it also includes a water storage tank 15, the pipe B 402 and the pipe D 602 are both connected to the water storage tank 15 through a water delivery pipe 21, and the water delivery pipe 21 is provided with a water pump 13, and the water pump 13 is connected with The main controller of the waste heat boiler is electrically connected.

As an optional embodiment, the sedimentation tank 14 is provided with multi-layer filter plates, and the water storage tanks 15 of the sedimentation tank 14 are communicated through a clean water pipe 16 . In use, the sewage enters the sedimentation tank 14 from the sewage pipe 9, the sewage is filtered by the filter plate in the sedimentation tank 14 to obtain clean water, and the clean water enters the water storage tank 15 through the clean water pipe 16 for recycling.

As an optional embodiment, the sewage pipe 9 is provided with a blowdown valve 18, and the clean water pipe 16 is provided with a clean water valve 17; the blowdown valve 18 and the clean water valve 17 are both solenoid valves, and the blowdown valve 18 and The clean water valves 17 are respectively electrically connected with the main controller of the waste heat boiler.

As an optional embodiment, the detergent delivery pipe 8 is provided with a solenoid valve 3 12; the solenoid valve 3 12 is electrically connected to the main controller of the waste heat boiler.

As an optional embodiment, it also includes a detergent storage box 20, the detergent delivery pipe 8 is connected to the detergent storage box 20, and the installation position of the detergent storage box 20 is higher than the detergent delivery pipe 8 s position.

Optionally or preferably, the pipe A 401 and the pipe C 601 are both provided with several dust cleaning nozzles 19 .

The working process of the utility model is:

When it is necessary to clean the ash, the main controller of the waste heat boiler opens the solenoid valve 10 and solenoid valve 2 11, and controls the water pump 13 to work at the same time. 6. Spray into the inner wall of the chimney shell 1, the filter screen 1 3, the filter screen 2 5 and other components; if the detergent needs to be put in, the solenoid valve 3 12 is opened by the main controller of the waste heat boiler at the same time, and the detergent is passed through the washing machine. The agent delivery pipe 8 transports the detergent to the spray pipe one 4 and the spray pipe two 6, mixes the detergent with water and sprays it on the inner wall of the housing 1, the filter screen one 3, the filter screen two 5 and other components , in order to facilitate the cleaning work; the amount of detergent can be set by the main controller of the waste heat boiler. When no detergent is needed, the solenoid valve 3 12 is closed by the main controller of the waste heat boiler; while cleaning The passed sewage enters the sewage pipe 9 through the sewage guide plate 7, and enters the sedimentation tank 14 through the sewage pipe 9. The sewage is filtered by the filter plate in the sedimentation tank 14 to obtain clean water, and the clean water enters the water storage tank 15 through the clean water pipe 16 for recycling.

The ash cleaning process in the utility model is carried out under the control of the main controller of the waste heat boiler, the solenoid valve 1 10, the solenoid valve 2 11, the water pump 13 and the solenoid valve 3 12. Valve two 11 and solenoid valve three 12 are replaced by ordinary valves, which are manually controlled to open and close, and can also perform ash cleaning work.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention.

Claims (8)

1. the ash cleaning system of a waste heat boiler, comprising chimney, it is characterized in that: described chimney comprises the shell that is truncated truncated structure, the lower part of described shell is connected with the smoke inlet pipe, and the inner side of the outer casing is on the upper part of the smoke inlet pipe The side is provided with a filter screen 1, a spray pipe 1, a filter screen 2 and a spray pipe 2 in sequence from bottom to top; among them, The spray pipe 1 includes a pipe A and a pipe B; the pipe A is located inside the casing and is an arc-shaped pipe; the pipe B is located outside the casing; The second spray pipe includes a pipe C and a pipe D; the pipe C is located inside the casing and is an arc-shaped pipe; the pipe D is located outside the casing; Both the pipe B and the pipe D are connected with a detergent delivery pipe; The inner side of the casing is provided with a dirt guide plate on the lower side of the smoke inlet pipe, the dirt guide plate is inverted conical, and the bottom of the dirt guide plate is connected with a sewage discharge pipe extending out of the outer side of the casing. 2. The ash cleaning system of waste heat boiler according to claim 1, is characterized in that: described pipe B and pipe D are respectively provided with solenoid valve 1 and solenoid valve 2, and described solenoid valve 1 and solenoid valve 2 are respectively connected with The main controller of the waste heat boiler is electrically connected. 3 . The ash cleaning system of the waste heat boiler according to claim 1 , further comprising a sedimentation tank, wherein the sedimentation tank is provided with multi-layer filter plates, and the sewage pipe sedimentation tank is communicated. 4 . 4. The ash cleaning system of the waste heat boiler according to claim 3 is characterized in that: it also comprises a water storage tank, and the pipe B and the pipe D are both connected to the water storage tank through a water delivery pipe, and the water delivery pipe is provided with a water pump . 5 . The ash cleaning system of the waste heat boiler according to claim 4 , wherein the storage tanks of the sedimentation tank are communicated with each other through a clean water pipe. 6 . 6 . The ash cleaning system of the waste heat boiler according to claim 1 , wherein the detergent conveying pipe is provided with a solenoid valve 3; the solenoid valve 3 is electrically connected to the main controller of the waste heat boiler. 7 . 7. The ash cleaning system of the waste heat boiler according to claim 1, characterized in that it further comprises a detergent storage box, the detergent delivery pipe is connected to the detergent storage box, and the detergent storage box has a The installation position is higher than the position of the detergent delivery pipe. 8 . The ash cleaning system of the waste heat boiler according to claim 1 , wherein the pipe A and the pipe C are provided with several ash cleaning nozzles. 9 .

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