CN203336612U - Ash expeller and boiler - Google Patents

Abstract

The utility model relates to the technical field of ash removal equipment, in particular to an ash remover and a boiler. The ash remover includes: a filter chamber with a flue gas inlet and an exhaust port, the inside of which is divided into a non-connected flue gas space and a clean gas space by the filter medium inside, the flue gas inlet and the flue gas The space communicates, the exhaust port communicates with the clean air space; the ash storage chamber is arranged at the lower part of the filter chamber and communicates with the smoke space; and is arranged at the exhaust port, and the end An air outlet pipe connected with the air suction nozzle of the negative pressure pump, the air outlet pipe is provided with an air outlet valve; the exhaust nozzle of the negative pressure pump is provided with an exhaust pipe leading to the atmosphere. The ash remover provided by the utility model can make the gas in the furnace carry the coal ash in the furnace into the ash remover for automatic ash removal, avoiding the accumulation of impurities such as coal ash in the furnace, and further avoiding manual cleaning of the coal ash in the furnace , thereby saving labor.

Description

Ash collectors and boilers

technical field

The utility model relates to the technical field of ash removal equipment, in particular to an ash remover and a boiler. the

Background technique

Boiler is a kind of energy conversion equipment. There are many types of boilers. According to the type of fuel, it can be divided into coal-fired boilers, oil-fired boilers and gas-fired boilers. Among them, a large amount of coal ash will be produced in the furnace of coal-fired boilers. the

In the prior art, small boilers such as heating furnaces need to be shut down after a period of time of use and the coal ash in the furnace must be cleaned manually, resulting in a large labor consumption. the

In addition, a large amount of dust will be generated in the process of manual dust removal, which poses a great safety hazard and the health of workers cannot be guaranteed. Simultaneously, the mode of manually cleaning the ash accumulation in the furnace also has the disadvantages of low efficiency and poor cleaning effect. the

To sum up, how to provide an ash removal device to avoid manual cleaning of ash deposits in the furnace and save labor is an urgent problem to be solved by those skilled in the art. the

Utility model content

In view of this, the utility model provides an ash remover, which can avoid manual cleaning of coal ash in the furnace, which is beneficial to labor saving. The utility model also provides a boiler, which uses the above-mentioned ash remover, completely avoids manual cleaning of coal ash in the furnace, and can save labor. the

In order to achieve the above object, the utility model provides the following technical solutions:

The ash remover provided by the utility model includes a filter chamber, an ash storage chamber and an air outlet pipe, wherein the filter chamber has a flue gas inlet and an exhaust port, and a filter medium is arranged in it, and the filter medium divides the inside of the filter chamber The flue gas space and the clean gas space are not connected to each other; the flue gas inlet is connected with the flue gas space, and the exhaust port is connected with the clean gas space; The air pipe is arranged at the exhaust port, and an air outlet valve is arranged on it, and its end is connected with the suction nozzle of the negative pressure pump; the exhaust nozzle of the above negative pressure pump is provided with an exhaust pipe leading to the atmosphere. the

When the above-mentioned ash remover is used, the flue gas inlet is connected to the furnace, and the gas outlet valve is opened, and the negative pressure pump is turned on. After the negative pressure pump works, a negative pressure is generated at the suction nozzle, so that the ash-containing gas in the furnace is continuously discharged. Entering the flue gas space, after the ash-containing gas enters the flue gas space, the ash with a large mass falls into the ash storage chamber under the action of gravity; the remaining ash-containing flue gas enters the filter medium and is filtered to form ash-free clean gas; Then the clean gas enters the clean gas space, then reaches the negative pressure pump through the outlet pipe, and is discharged into the atmosphere through the exhaust pipe at the exhaust nozzle on the negative pressure pump. the

The ash remover provided by the utility model can make the gas in the furnace carry the coal ash in the furnace into the ash remover for automatic ash removal, avoiding the accumulation of impurities such as coal ash in the furnace, and further avoiding manual cleaning of the coal ash in the furnace , thereby saving labor. the

The utility model also provides a boiler, which uses the ash remover provided by the utility model, completely avoids manual cleaning of coal ash in the furnace, and can save labor. the

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work. the

Fig. 1 is the structural representation of the soot remover that the utility model embodiment provides;

Among them, in Figure 1 above:

Pulse valve 1; air outlet valve 2; intake valve 3; exhaust pipe 4; negative pressure pump 5; lifting cylinder 6; ash storage chamber 7; filter chamber 8. the

Detailed ways

The embodiment of the utility model discloses an ash remover, which can avoid manual cleaning of coal ash in the furnace, and is beneficial to labor saving. The embodiment of the utility model also discloses a boiler, which uses the above-mentioned ash remover, completely avoids manual cleaning of coal ash in the furnace, and can save labor. the

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. the

Referring to Fig. 1, the ash remover provided by the embodiment of the utility model includes a filter chamber 8, an ash storage chamber 7 and an air outlet pipe, wherein the filter chamber 8 has a flue gas inlet and an exhaust port, and is provided with a filter medium , the filter medium divides the interior of the filter chamber 8 into a flue gas space and a clean gas space that are not connected to each other; the flue gas inlet is connected to the flue gas space, and the exhaust port is connected to the clean gas space; The lower part of the chamber 8, and it communicates with the flue gas space; the exhaust pipe 4 is arranged at the exhaust port, and the outlet valve 2 is arranged on it, and its end is connected with the suction nozzle of the negative pressure pump 5; the above-mentioned negative pressure The exhaust nozzle of the pump 5 is provided with an exhaust pipe 4 leading to the atmosphere. the

When the above-mentioned ash remover is used, the flue gas inlet is connected to the furnace, and the gas outlet valve 2 is opened, and the negative pressure pump 5 is turned on. After the negative pressure pump 5 works, a negative pressure is generated at the suction nozzle, so that the content in the furnace is Ash gas continuously enters the flue gas space, and after the ash-containing gas enters the flue gas space, the ash with a relatively large mass falls into the ash storage chamber 7 under the action of gravity; the remaining ash-containing flue gas enters the filter medium and is filtered to form Ash-free clean gas; then the clean gas enters the clean gas space, then reaches the negative pressure pump 5 through the outlet pipe, and is discharged into the atmosphere by the exhaust pipe 4 at the exhaust nozzle on the negative pressure pump 5 . the

The ash remover provided by the embodiment of the utility model can make the gas in the furnace carry the coal ash in the furnace into the ash remover for automatic ash removal, avoiding the accumulation of impurities such as coal ash in the furnace, and further avoiding manual cleaning of the dust in the furnace. coal ash, thus saving labor. the

In addition, the ash remover provided by the embodiment of the utility model has good ash removal effect and high ash removal efficiency. the

Furthermore, the ash remover provided by the embodiment of the utility model has a simple structure, is easy to manufacture, has low production cost, is convenient to install and operate, and has good stability. the

Since the filter medium in the dust remover will absorb a large amount of dust and impurities after long-term use, the air permeability will become poor, which will cause the negative pressure pump 5 to be overloaded, and even affect the normal circulation of the gas. Therefore, preferably, the above-mentioned embodiment provides The dust collector also includes an air injection pipe for cleaning the above-mentioned filter medium. The air injection pipe is provided with a pulse valve 1, and the pulse valve is located outside the filter chamber; the first end of the air injection pipe is located outside the filter chamber 8 and communicated with the air storage tank. , the second end of the jet pipe goes deep into the clean air space. When the filter medium needs to be cleaned, close the negative pressure pump 5 and the gas outlet valve 2, and disconnect the connecting pipeline between the flue gas inlet and the furnace, and control the opening of the pulse valve 1, so that the gas in the gas storage tank is sprayed onto the filter medium from the gas injection pipe , and spray the impurities on the filter medium into the flue gas space to achieve the purpose of cleaning the filter medium. After the filter medium is cleaned, the dust collector can continue to be used. the

Preferably, in the ash remover provided in the above embodiment, a seal is provided at the connection between the filter chamber 8 and the ash storage chamber 7, which can prevent the ash-containing gas from entering the working room through the gap between the filter and the ash remover, Eliminate the safety hazard of ash-containing gas to the health of workers. the

Specifically, in the ash remover provided in the above embodiments, an ash hopper is provided in the ash storage chamber 7, an opening for discharging dust is provided at the lower end of the ash hopper, and a baffle is provided at the opening. In order to avoid manually opening the above-mentioned baffle, the above-mentioned dust collector also includes a lifting cylinder 6, and the lifting end of the lifting cylinder 6 is connected with a push rod for pushing the baffle away. When there is a lot of dust in the ash storage chamber 7 after long-term use, control the lifting end of the lifting cylinder 6 to rise, the ejector rod moves accordingly and push the baffle away from the ash hopper, the opening at the lower end of the ash hopper is opened, and the dust in the ash hopper It is discharged from the above-mentioned opening; after the dust is discharged, the lifting end of the lifting cylinder 6 is controlled to descend, the ejector rod is restored, the baffle is re-covered at the above-mentioned opening, and the ash hopper continues to collect the dust falling due to gravity in the flue gas space. the

More specifically, in the ash remover provided in the above embodiments, the lifting cylinder 6 is located outside the ash storage chamber 7 . the

In order to facilitate communication with the furnace, in the ash remover provided in the above embodiments, an air inlet pipe with an air inlet valve 3 is provided at the air outlet. During application, directly make the above-mentioned inlet pipe communicate with the furnace. During normal operation, the above-mentioned intake valve 3 is opened, and when the filter medium is cleaned, the above-mentioned intake valve 3 is closed. the

Further, in the ash remover provided by the above-mentioned embodiment, a support frame is also included, and the support frame includes a base plate and a vertical support plate fixed on the base plate; the ash storage chamber 7 and the negative pressure pump 5 are respectively placed on the base plate, and the two Those are respectively located at both sides of the vertical support plate; filter chamber 8 is close to the vertical support plate; lifting cylinder 6 is also placed on the bottom plate, and it is positioned at the same side of the vertical support plate with the ash storage chamber 7. the

Furthermore, in the ash remover provided by the above embodiments, moving wheels are further provided under the bottom plate. the

The embodiment of the utility model also provides a boiler, which includes an ash remover, and the ash remover is the ash remover provided in the above embodiment; the furnace of the boiler communicates with the flue gas inlet. the

The boiler provided by the embodiment of the utility model applies the ash remover provided by the above embodiment, which can avoid manual cleaning of coal ash in the furnace, and has the effect of saving labor. Of course, the boiler provided in this embodiment also has other effects provided by the above embodiments, which will not be repeated here. the

Specifically, in the above-mentioned boiler, there are specifically two ash removers, one of which is the main ash remover and the other is the standby ash remover. Under normal circumstances, only the main ash remover works, and the intake valve 3 of the air intake pipe on the standby ash remover is closed. Open. the

Preferably, in the boiler provided by the above-mentioned embodiment, the main ash remover adopts the ash remover without a support frame, the backup ash remover adopts a ash remover with a support frame, and the support frame is provided with a moving wheel, and the backup ash remover The inlet pipe of the device is set to be detachably communicated with the furnace. In this boiler, when the main ash remover is working, the connection between the inlet pipe of the backup ash remover and the furnace can be disassembled, and then the backup ash remover can be removed to save space; when cleaning the filter medium of the main ash remover , then move the spare ash remover back and connect its intake pipe with the furnace. the

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. the

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (9)

1. a soot blower, is characterized in that, comprising:

Filter chamber with flue gas access port and exhaust outlet, its inner filter medium is divided into its inside not to be communicated with mutually smoke space and pure qi (oxygen) space, and described flue gas access port is communicated with described smoke space, and described exhaust outlet is communicated with described pure qi (oxygen) space;

Be arranged on bottom, described filter chamber, and the Dust Storage Room be communicated with described smoke space;

Be arranged on described exhaust ports, and the escape pipe that is connected with the air exhaust nozzle of negative pressure pump of end, described escape pipe is provided with air outlet valve; The exhaust nozzle place of described negative pressure pump is provided with the blast pipe that leads to atmosphere.

2. soot blower according to claim 1, is characterized in that, also comprises for clearing up described filter medium, and have the air jet pipe of pulse valve; The first end of described air jet pipe is positioned at outside described filter chamber, and is connected with air accumulator, and its second end stretches in described pure qi (oxygen) space; Described pulse valve is positioned at outside described filter chamber.

3. soot blower according to claim 1, is characterized in that, also comprises lift cylinder, and its lift side is connected with for backing down the push rod of ash bucket lower ending opening place baffle plate in described Dust Storage Room.

4. soot blower according to claim 3, is characterized in that, described lift cylinder is positioned at outside described Dust Storage Room.

5. soot blower according to claim 1, is characterized in that, described exhaust ports is provided with the air inlet pipe with intake valve.

6. according to the described soot blower of claim 1-5 any one, it is characterized in that, also comprise that bracing frame, support frame as described above comprise base plate and be fixed on the vertical gripper shoe on described base plate; Described Dust Storage Room and institute's negative pressure pump are placed on respectively on described base plate, and both lay respectively at the both sides of described vertical gripper shoe; Described filter chamber abuts against on described vertical gripper shoe.

7. soot blower according to claim 6, is characterized in that, described base plate has movable pulley.

8. a boiler, is characterized in that, also comprises and the described soot blower of claim 1-7 any one, and the burner hearth of described boiler is communicated with described flue gas access port.

9. boiler according to claim 8, is characterized in that, described soot blower comprises main soot blower and standby soot blower; The air inlet pipe of described standby soot blower removably is communicated with described burner hearth.

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