CN218707195U - Ash bucket ash conveying system - Google Patents

Abstract

The utility model relates to an ash bucket ash conveying system, including the main pipe that admits air, turbulence pipe, ash valve and ash conveying mechanism, ash conveying mechanism is including the ash bucket that communicates in proper order, the ash can and have the air inlet, advance the ash pipe of ash mouth and ash mouth, the main pipe that admits air passes through air inlet and ash conveying pipe intercommunication, the ash can is through advancing ash mouth and ash conveying pipe intercommunication, the ash valve is located the ash mouth with the switching ash mouth, turbulence pipe one end and the main pipe intercommunication that admits air, the turbulence pipe other end communicates with the inside of ash bucket. When needs carry out the deashing to the ash bucket and handle, can make the air through getting into from the female pipe that admits air, blow in the ash bucket through the vortex pipe in, blow off and dredge the dust of gathering on the ash bucket, improved the mobility of ash, prevent that the ash that gathers from bonding and causing the jam to the ash bucket on the ash bucket wall, reduce the work load of artifical mediation, improved the work efficiency of defeated ash system. And the impact force to the ash bucket is smaller, which is beneficial to prolonging the service life of the ash bucket. In addition, the dust collector is favorable for avoiding secondary dust emission and protecting the environment.

Description

Ash bucket ash conveying system

Technical Field

The utility model relates to a thermal power factory corollary equipment technical field particularly, relates to an ash bucket ash conveying system.

Background

The dust remover is a device for separating dust from flue gas, and is called dust remover or dust removing device. The dust catcher ash bucket can play an important role in a dust catcher, the ash bucket is equivalent to a small space of a closed chamber, processed dust falls into the ash bucket and then is purified, but the existing dust catcher ash bucket has defects in the using process, namely, the inner wall of the existing dust catcher ash bucket is easy to accumulate the dust, when the amount of the dust is accumulated to a certain degree, the normal purification and discharge of the dust in the ash bucket can be influenced, the dust accumulated in the ash bucket can not fall into an ash conveying system, the ash conveying system needs to be knocked manually for dredging, the workload is large, the dredging effect is not ideal, and people need to operate on site all the time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ash bucket ash conveying system, this system can improve the mobility of ash, prevents that the ash of gathering from bonding and causing the jam to the ash bucket on the ash bucket wall, simultaneously, reduces the work load of artifical mediation, has improved ash conveying system's efficiency.

In order to realize above-mentioned purpose, this disclosure provides an ash bucket ash conveying system, it includes female pipe, turbulent flow pipe, ash valve and ash conveying mechanism of admitting air, ash conveying mechanism is including ash bucket, ash can that communicate in proper order and have the air inlet, advance the ash pipe of ash mouth and ash mouth, female pipe of admitting air passes through the air inlet with ash conveying pipe intercommunication, the ash can passes through advance the ash mouth with ash conveying pipe intercommunication, the ash valve is located the ash mouth is with the switching ash mouth, turbulent flow pipe one end with female pipe intercommunication admits air, the turbulent flow pipe other end with the inside intercommunication of ash bucket.

Optionally, the turbulence tube is tangential to an inner surface of the hopper side wall.

Optionally, the ash conveying mechanism further comprises a pneumatic valve arranged on the turbulent flow pipe.

Optionally, the ash conveying mechanisms are multiple, the turbulent flow pipe comprises a main pipe and multiple air outlet branch pipes, the multiple air outlet branch pipes are communicated with the ash buckets in each ash conveying mechanism in a one-to-one correspondence manner, the pneumatic valves are multiple, each air outlet branch pipe is provided with the pneumatic valve, and the main pipe is provided with a manual valve.

Optionally, the ash tanks in two adjacent ash conveying mechanisms are communicated with each other through a connecting pipe.

Optionally, the air inlet end of the air inlet main pipe and the air inlet end of the turbulent flow pipe share the same air source.

Optionally, the tube diameter of the turbulent flow tube is 5cm-15cm.

Optionally, the ash conveying mechanism further comprises an ash inlet valve for opening or closing the ash hopper, and the ash inlet valve is arranged between the ash hopper and the ash tank.

Optionally, the ash conveying mechanism further comprises a time relay electrically connected with an external power supply, the ash inlet valve is an electromagnetic valve, and the electromagnetic valve is electrically connected with the time relay.

Optionally, the ash conveying mechanism further comprises a pressure relief pipe connected with the ash bucket and the ash tank, and a pressure relief valve is arranged on the pressure relief pipe.

Through the technical scheme, the method has the following technical effects:

through the technical scheme, when needs carry out the deashing to the ash bucket and handle, the air (like compressed air) that can make the air supply provide gets into from the female pipe that admits air, in the vortex pipe blows in the ash bucket, blow off and the mediation to the dust that gathers in the ash bucket, the mobility of ash has been improved to can avoid appearing causing the jam to form the condition that high material level influences electrostatic precipitator operating parameter and dust collection efficiency because of the ash that gathers bonds on the ash bucket wall to the ash bucket, guaranteed that whole defeated ash system is in stable operating condition for a long time. The safety accident that the ash bucket collapses because of ash deposition can be prevented, and the method is safer, more reliable and easier to operate.

Because the ash is disturbed by the air, the ash bucket does not need to be dredged manually, the workload of manual dredging is greatly reduced, and the working efficiency of the ash conveying system is improved.

And moreover, the impact force on the ash bucket is smaller, and the service life of the ash bucket is prolonged. In addition, in the aspect of the work environment protection, the condition of secondary dust raising is favorably avoided, so that the work environment is cleaner.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, but do not constitute a limitation of the disclosure. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a hopper ash conveying system in one embodiment of the present disclosure, wherein origin and ash depot are also shown;

FIG. 2 is a top cross-sectional view of a turbulence tube and ash bucket in one embodiment of the present disclosure;

FIG. 3 is a side cross-sectional view of a turbulence tube and ash hopper in one embodiment of the present disclosure.

Description of the reference numerals

100. A main air inlet pipe; 110. a turbulent flow tube; 111. a main body tube; 112. an air outlet branch pipe; 120. an ash valve; 130. an ash hopper; 140. an ash tank; 150. an ash conveying pipe; 160. a pressure relief pipe; 170. a pressure relief valve; 180. a pneumatic valve; 190. a manual valve; 200. an ash inlet valve; 210. and (4) connecting the pipes.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of directional terms such as "upper" and "lower" are generally defined in the direction of the drawing plane of the drawings, and "inner" and "outer" refer to the inner and outer of the relevant parts.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

The utility model provides an ash bucket ash conveying system, it includes main pipe 100 that admits air, turbulence pipe 110, ash valve 120 and ash conveying mechanism, ash conveying mechanism is including ash bucket 130 that communicates in proper order, ash can 140 and have the air inlet, ash inlet and ash outlet's ash conveying pipe 150, main pipe 100 that admits air communicates with ash conveying pipe 150 through the air inlet, ash can 140 communicates with ash conveying pipe 150 through ash inlet, ash valve 120 locates the ash outlet with the switching ash outlet, turbulence pipe 110 one end communicates with main pipe 100 that admits air, the turbulence pipe 110 other end communicates with the inside of ash bucket 130.

Through above-mentioned technical scheme, when needs carry out the deashing to ash bucket 130 and handle, can get into the air (like compressed air) that the air supply provided from the main pipe 100 that admits air, blow in ash bucket 130 through vortex pipe 110, blow off and the mediation to the dust of gathering in ash bucket 130, the mobility of ash has been improved, thereby can avoid appearing because of the ash bonding that gathers causing the jam to ash bucket 130 on ash bucket 130 wall and form the condition that high material level influences electrostatic precipitator operating parameter and dust collection efficiency, whole ash conveying system has been guaranteed to be in stable operating condition for a long time. The whole ash conveying system is ensured to be in a stable working state for a long time, and meanwhile, the ash bucket is prevented from collapsing due to ash deposition, so that the ash conveying system is safer, more reliable and more easy to operate.

Because the ash is disturbed by the air, the ash hopper 130 does not need to be dredged manually, the workload of manual dredging is greatly reduced, and the working efficiency of the ash conveying system is improved.

In addition, compared with the technical scheme that the pressure of upward blowing (back blowing) from the bottom of the ash hopper is high and secondary ash lifting occurs, in the ash hopper ash conveying system provided by the disclosure, the technical scheme that the ash in the ash hopper 130 is blown downwards into the ash tank 140 around the turbulent flow pipe 110 (positive blowing) needs relatively low air pressure, so that the impact force on the ash hopper is smaller, and the service life of the ash hopper is prolonged. In addition, in the aspect of working environment protection, the forward blowing scheme avoids that fly ash is blown up again to form the condition of secondary dust raising when an ash bucket is dredged manually, so that the working environment is cleaner.

In this embodiment, referring to fig. 1, the ash conveying mechanism includes an ash bucket 130, an ash tank 140 and an ash conveying pipe 150 which are sequentially communicated from top to bottom, an ash leakage port may be arranged at the bottom of the ash bucket 130, and the ash bucket 130 is communicated with the top of the ash tank 140 through a pipeline; the ash conveying pipe 150 is a T-shaped three-way pipe (certainly, other three-way pipes can be adopted), which respectively forms an air inlet, an ash inlet and an ash outlet, and one end of the ash inlet of the ash conveying pipe 150 is communicated to the bottom of the ash tank 140. The ash tank 140 is used for temporarily storing the collected ash, and facilitating the subsequent uniform transportation to the ash warehouse. One end of an air inlet of the ash conveying pipe 150 is communicated with the air inlet main pipe 100, an ash outlet valve 120 is installed on an ash outlet of the ash conveying pipe 150, the ash outlet valve 120 is opened during ash discharge, and compressed air conveys ash to an ash warehouse.

Specifically, in one embodiment of the present disclosure, one end of the turbulent flow tube 110 may be communicated with the main intake pipe 100, and the other end of the turbulent flow tube 110 may be disposed directly above the ash bucket 130. Thus, when the ash bucket 130 is blocked, compressed air can enter from the air inlet main pipe 100 and be blown into the ash bucket 130 through the turbulent pipe 110, so that dust accumulated in the ash bucket 130 can be blown off and dredged.

Alternatively, in other embodiments of the present disclosure, the flow-disturbing pipe 110 may be connected to one end of the ash bucket 130 and directly connected to a side wall of the ash bucket 130, and a port of the flow-disturbing pipe 110 is perpendicular to a center line of the ash bucket 130, so that the wind blown into the ash bucket 130 blows out in a horizontal direction, and does not cause ash spraying of the ash bucket 130.

Alternatively, in an embodiment of the present disclosure, referring to fig. 2 and 3, one end of the turbulence pipe 110 connected to the ash bucket 130 is tangentially connected to the inner surface of the side wall of the ash bucket 130, so that the wind beam blowing into the ash bucket 130 changes the wind direction along the inner side wall of the ash bucket 130, and the change of the wind direction greatly disturbs the ash accumulated on the wall of the ash bucket 130, thereby increasing the disturbance efficiency, and thus the ash is not easily gathered.

Optionally, referring to fig. 1, in one embodiment of the present disclosure, the ash conveying mechanism further includes a pneumatic valve 180 disposed on the turbulent flow tube 110. Because the fineness of the dry ash is very high, the pneumatic valve 180 is arranged on the turbulence pipe 110, so that the dry ash can be prevented from entering the compressor through the turbulence pipe 110, the pneumatic valve 180 can be automatically opened under the pressure of compressed air, and the whole system is more automatic. When the ash bucket 130 is blocked, compressed air enters from the air inlet main pipe 100 and then opens the pneumatic valve 180, and then the compressed air is blown into the ash bucket 130 through the turbulent flow pipe 110 to blow off and dredge dust accumulated in the ash bucket 130; after dredging is completed, the compressed air is closed, and the pneumatic valve 180 is closed.

Optionally, in an embodiment of the present disclosure, the ash conveying mechanism is multiple, the turbulent flow pipe 110 includes a main pipe 111 and multiple outlet branch pipes 112, the multiple outlet branch pipes 112 are in one-to-one correspondence with the ash buckets 130 in each ash conveying mechanism, the pneumatic valves 180 are multiple, each outlet branch pipe 112 is provided with a pneumatic valve 180, and the main pipe 111 is provided with a manual valve 190. The ash conveying system formed by a plurality of ash conveying mechanisms can simultaneously ensure that each thermal generator set can effectively discharge ash; secondly, when one ash conveying mechanism needs to be overhauled, other ash conveying mechanisms can be started to discharge ash, and the thermal generator set is prevented from stopping under unnecessary conditions; in addition, the ash containing amount of the system can be effectively improved.

The specific number of the ash conveying mechanisms is not limited in the present disclosure, optionally, in the embodiment shown in fig. 1, the number of the ash conveying mechanisms is two, the turbulent flow tube 110 includes a main tube 111 and two air outlet branch tubes 112, the two air outlet branch tubes 112 are in one-to-one correspondence with the ash hoppers 130 in the two ash conveying mechanisms, and the pneumatic valve 180 is arranged on each air outlet branch tube 112 to realize independent opening and closing of the air outlet branch tubes 112; the main pipe 111 is provided with a manual valve 190 to control the main passage of the spoiler 110, and when the dust hopper 130 needs to be dredged, the manual valve 190 is opened to allow the compressed gas to flow into each of the outlet branch pipes 112. In an emergency situation, the manual valve 190 can be closed, so that the safety of the whole ash conveying system is ensured.

Optionally, in some other embodiments of the present disclosure, four outlet branch pipes 112 are connected to the main pipe 111 of the spoiler pipe 110, and each outlet branch pipe 112 is provided with one ash conveying mechanism, so as to form an ash conveying system composed of four ash conveying mechanisms.

Alternatively, referring to fig. 1, the ash tanks 140 of two adjacent ash conveying mechanisms are communicated with each other through a connecting pipe 210 in one embodiment of the present disclosure. In the ash discharging process, because the air drives the ash in the ash tanks 140 to flow out, after the two adjacent ash tanks 140 are communicated with each other through the connecting pipe 210, the ash in the previous ash tank 140 flows into the next ash tank 140 and can flow out from the ash conveying pipe 150, a new ash conveying path is added, and the ash discharging efficiency is improved.

Optionally, in an embodiment of the present disclosure, the air inlet end of the air inlet main pipe 100 and the air inlet end of the spoiler pipe 110 share the same air source (air compressor), which may reduce the use cost; of course, the air inlet end of the inlet header 100 and the air inlet end of the spoiler tube 110 may be separately provided with an air source (air compressor).

The specific pipe diameter of the turbulent pipe 110 is not limited by the present disclosure, and optionally, in an embodiment of the present disclosure, the pipe diameter of the turbulent pipe 110 is 5cm to 15cm.

In order to realize high-efficiency ash conveying and simultaneously meet the lowest cost, the pipe diameter of the turbulent flow pipe 110 can be 10cm, the pipe diameter of the air inlet main pipe 100 can be 20cm, the pipe diameter of the ash conveying pipe 150 can be 40cm, and the air source pressure can be 0.3MPa-0.5MPa. Of course, considering only the cost, the pipe diameters and pressures are as follows: the pipe diameter of the turbulent flow pipe 110 is 5cm, the pipe diameter of the air inlet main pipe 100 is 15cm, the pipe diameter of the ash conveying pipe 150 is 35cm, and the air source pressure is 0.3MPa. Of course, in the case of efficiency alone, the tube diameters and pressures are as follows: the pipe diameter of the turbulent flow pipe 110 is 15cm, the pipe diameter of the air inlet main pipe 100 is 25cm, the pipe diameter of the ash conveying pipe 150 is 45cm, and the air source pressure is 0.5MPa.

Optionally, in an embodiment of the present disclosure, referring to fig. 1, the ash conveying mechanism further includes an ash inlet valve 200 for opening or closing the ash bucket 130, and the ash inlet valve 200 is disposed between the ash bucket 130 and the ash can 140. In the ash discharging process, the ash inlet valve 200 is closed, so that the impact of the high-pressure compressed gas on the ash bucket 130 can be avoided, the ash bucket 130 is further damaged, the ash spraying phenomenon can be avoided, and the ash discharging valve meets the requirements of safety and environmental protection.

Optionally, in an embodiment of the present disclosure, the ash conveying mechanism further includes a time relay (not shown in the figure) electrically connected to an external power source, and the ash inlet valve 200 is a solenoid valve electrically connected to the time relay. The worker can input preset time in the time relay in advance, for example, 30 minutes, and when the preset time is reached, the time relay switches on the circuit, so that the electromagnetic valve is closed, and compressed air enters the ash tank 140 to perform ash discharge operation; after the dust discharging operation is finished, the time relay disconnects the circuit, so that the electromagnetic valve is opened to continuously store dust. Therefore, the ash discharge operation of the ash tank 140 can be performed at regular time, and the automation is improved.

Optionally, in an embodiment of the present disclosure, referring to fig. 1, the ash conveying mechanism further includes a pressure relief pipe 160 connecting the ash bucket 130 and the ash tank 140, and the pressure relief pipe 160 is provided with a pressure relief valve 170. Since the ash tank 140 is a closed space, when the ash in the ash hopper 130 enters the ash tank 140, the pressure of the ash in the ash tank 140 is slowly increased as the ash tank 140 is gradually filled, which makes the ash in the ash hopper 130 not easy to enter the ash tank 140; however, when the pressure relief pipe 160 connects the ash bucket 130 and the ash can 140, the gas in the ash can 140 is exhausted, so that the gas pressures of the ash bucket 130 and the ash can 140 reach an equilibrium state, and the ash in the ash bucket 130 can more easily enter the ash can 140.

The working principle is as follows: when collecting the ash, the ash valve 120 is firstly closed, because the fineness of the dry ash is very high, the ash can 140 is prevented from being influenced by the external air; the dust hopper 130 collects the dust processed by the dust remover, and the dust falls into the dust tank 140; when the ash bucket 130 is blocked by ash, a worker opens the manual valve 190 to enable compressed air to enter from the air inlet main pipe 100, the compressed air is blown into the ash bucket 130 through the turbulence pipe 110, dust accumulated in the ash bucket 130 is blown off and dredged, the ash falls into the ash tank 140, and the manual valve 190 is closed after the dredging is completed; when discharging ash, the ash discharging valve 120 is opened, the pressure release valve 170, the ash inlet valve 200 and the manual valve 190 are closed, and the staff enters compressed air from the air inlet main pipe 100 and blows the compressed air into the ash tank 140 through the ash conveying pipe 150, so that the ash in the ash tank 140 is discharged into the ash storage through the ash conveying pipe 150.

The preferred embodiments of the present disclosure are described in detail above with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details in the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides an ash bucket ash conveying system, its characterized in that, includes the female pipe of admitting air, turbulence pipe, ash valve and ash conveying mechanism, ash conveying mechanism is including ash bucket, ash can that communicate in proper order and have the air inlet, advance the ash hole and the ash hole defeated ash pipe, the female pipe of admitting air passes through the air inlet with defeated ash pipe intercommunication, the ash can passes through advance the ash hole with defeated ash pipe intercommunication, the ash valve is located the ash hole is with the switching the ash hole, turbulence pipe one end with the female pipe intercommunication that admits air, the turbulence pipe other end with the inside intercommunication of ash bucket.

2. The ash hopper ash transport system of claim 1 wherein the turbulence tube is tangential to an inner surface of the ash hopper sidewall.

3. The ash hopper and conveying system of claim 1 wherein the ash conveying mechanism further comprises a pneumatic valve disposed on the turbulence tube.

4. The ash hopper and ash conveying system of claim 3, wherein the ash conveying mechanisms are multiple, the turbulent flow pipe comprises a main pipe and a plurality of air outlet branch pipes, the air outlet branch pipes are communicated with the ash hoppers in each ash conveying mechanism in a one-to-one correspondence manner, the pneumatic valves are multiple, each air outlet branch pipe is provided with the pneumatic valve, and the main pipe is provided with a manual valve.

5. The ash hopper and conveying system of claim 4, wherein the ash tanks of two adjacent ash conveying mechanisms are communicated with each other through a connecting pipe.

6. The ash hopper ash conveying system of claim 1 wherein the inlet end of the inlet manifold and the inlet end of the turbulence tube share the same air source.

7. The ash hopper ash conveying system of claim 1 wherein the turbulent flow tube has a tube diameter of 5cm to 15cm.

8. The ash hopper and conveying system according to any one of claims 1 to 7, wherein the ash conveying mechanism further comprises an ash inlet valve for opening or closing the ash hopper, the ash inlet valve being provided between the ash hopper and the ash can.

9. The ash bucket ash conveying system of claim 8, wherein the ash conveying mechanism further comprises a time relay electrically connected with an external power supply, the ash inlet valve is an electromagnetic valve, and the electromagnetic valve is electrically connected with the time relay.

10. The ash bucket and ash conveying system of any one of claims 1 to 7, wherein the ash conveying mechanism further comprises a pressure relief pipe connecting the ash bucket and the ash tank, and a pressure relief valve is arranged on the pressure relief pipe.

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