CN202082939U - Fly ash conveying mechanism of boiler economizer - Google Patents
Fly ash conveying mechanism of boiler economizer Download PDFInfo
- Publication number
- CN202082939U CN202082939U CN2011200898882U CN201120089888U CN202082939U CN 202082939 U CN202082939 U CN 202082939U CN 2011200898882 U CN2011200898882 U CN 2011200898882U CN 201120089888 U CN201120089888 U CN 201120089888U CN 202082939 U CN202082939 U CN 202082939U
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- economizer
- conveying
- conveying mechanism
- fly ash
- pipe
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Abstract
The utility model discloses a fly ash conveying mechanism of a boiler economizer, which is applied to boilers utilizing a dry-type bottom slag discharge scheme. The fly ash conveying mechanism of the boiler economizer comprises an economizer ash hopper, a feeding valve, a conveying device and a dry slag bin which are arranged successively, the economizer ash hopper is connected with a feeding end of a bin pump via a feeding pipe, a discharge end of the bin pump is connected to the dry slag bin via a conveying pipe, the feeding valve is arranged on the feeding pipe, the conveying pipe is provided with a pressure detecting device, the bin pump is connected with a conveying power source, the conveying power source, the feeding valve and the pressure detecting device are connected with a control device of the conveying mechanism, and the conveying pipe is obliquely downwards arranged from the bin pump to the dry slag bin. The fly ash conveying mechanism of the boiler economizer is short in conveying distance, low in gas consumption, pressure loss and energy consumption and high in conveying efficiency, reduces manufacturing cost, decreases overhaul workload, and is favorable for fly ash of the economizer to flow and not easy to cause ash blockage.
Description
Technical field
The utility model relates to a kind of boiler economizer flying dust conveying mechanism, and a kind of specifically boiler bottom slag adopts the economizer flying dust conveying mechanism of dried slag removing scheme.
Background technology
Boiler body comprises burner hearth, economizer etc., end slag behind the coal combustion in the burner hearth is transported to the dry residue chamber of next-door neighbour's boiler body, the flying dust that has flue gas behind the coal combustion enters the flue of boiler body, be provided with economizer in the flue, economizer is made up of horizontally disposed coiled pipe in parallel, economizer can reduce the flying dust temperature of back-end ductwork, for boiler provides superheated water.Fall into economizer hopper through the flying dust after the economizer cooling, because the flying dust of boiler economizer has the temperature height, granularity is big, ease gas is strong, ash proportion is bigger, easily deposit, the characteristics that are difficult to carry, during design, the general Pneumatic Conveying Mechanism that adopts is transported to grey storehouse with flying dust, comprise the economizer hopper that sets gradually, inlet valve, the storehouse pump, the ash storehouse, economizer hopper is connected by feed pipe with the feed end of storehouse pump, inlet valve is set on the feed pipe, the storehouse pump is connected with the transmitting power source, the discharge end of storehouse pump is connected to grey storehouse by feeding pipe, pressure-detecting device is set, pressure-detecting device in the feeding pipe, inlet valve and transmitting power source all are connected with the control device of conveying mechanism.Described transmitting power source is an air compressor etc.Storage is grey continuously in the economizer hopper, flying dust amount in the time assessment economizer hopper that control device rule of thumb calculates, when needs are carried flying dust, control device is opened inlet valve, flying dust falls into the storehouse pump by feed pipe, through behind the certain hour, control device cuts out inlet valve, opens the transmitting power source and starts storehouse pump transportation flying dust.Pressure-detecting device detects the unusual fluctuations of pressure in the feeding pipe, gives the alarm when noting abnormalities, and control device will cut out inlet valve, start the storehouse pump and prevent that the plugging state of affairs from enlarging, through of short duration blow sky after, normal operation can recover in system.But because in this conveying mechanism, economizer and Hui Ku have the distance of nearly km, the investment of feeding pipe is bigger, because fed distance is longer, also needs sometimes a plurality of delivery pump work are set, and has increased air consumption, has also increased the workload of maintenance.
The utility model content
The utility model technical issues that need to address provide the boiler economizer flying dust conveying mechanism that a kind of energy consumption is low, fed distance is short.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
Boiler economizer flying dust conveying mechanism, comprise the economizer hopper, inlet valve, the storehouse pump that set gradually, economizer hopper is connected by feed pipe with the feed end of storehouse pump, the discharge end of storehouse pump connects feeding pipe, pressure-detecting device is set on the feeding pipe, the storehouse pump is connected with the transmitting power source, and transmitting power source, inlet valve and pressure-detecting device all are connected with the control device of conveying mechanism, and described feeding pipe is communicated to the dry residue chamber of boiler body one side.
Further improvement of the utility model is: described feeding pipe is tilted to down layout from the storehouse pump to dry residue chamber.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model is installed simple, easy operating, by below economizer hopper, being provided with by control device control time opening inlet valve, by the storehouse pump economizer flying dust is transported to dry residue chamber, the particle of economizer flying dust is big, characteristic and slag are close, and the economizer flying dust that falls into dry residue chamber can fully utilize with slag.Compare traditional grey storehouse that is transported to the nearly km of distance, dry residue chamber is positioned at the slagging-off side of boiler, fed distance is tens meters only, and fed distance reduces, and the gas point can be used by what feeding pipe was connected to economizer in the transmitting power source, reduced the consumption of the energy greatly, have the advantage that air consumption is little, the pressure loss is little, energy consumption is low, transfer efficiency is high, and saved the quantity of material of feeding pipe, reduced cost, also because the shortening of distance has reduced the workload of overhauling.Consider the wearing character of economizer flying dust, feeding pipe all adopts high-abrasive material.Feeding pipe adopts the layout under being tilted to from the conveyor side to the dry residue chamber, help flowing of economizer flying dust, is difficult for stifled ash.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1, economizer hopper, 2, inlet valve, 3, the storehouse pump, 4, the transmitting power source, 5, feeding pipe, 6, dry residue chamber.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Boiler economizer flying dust conveying mechanism as shown in the figure comprises the economizer hopper 1 that sets gradually, inlet valve 2, storehouse pump 3, along the dry residue chamber 6 of boiler center arrangement.Economizer hopper 1 is connected by feed pipe with the feed end of storehouse pump 3, and the discharge end of storehouse pump 3 is connected to dry residue chamber 6 by feeding pipe 5, and feeding pipe 6 is tilted to down layout from storehouse pump 3 to dry residue chamber.Inlet valve 2 is set on the feed pipe, on the feeding pipe 5 pressure-detecting device is set, storehouse pump 3 is connected with transmitting power source 4, and transmitting power source 4, inlet valve 2 and pressure-detecting device all are connected with the control device of conveying mechanism.According to actual conditions, economizer flying dust conveying mechanism can all be set below economizer hopper arranged side by side, final conveying destination is a dry residue chamber, described transmitting power source is an air compressor etc.
Claims (2)
1. boiler economizer flying dust conveying mechanism, comprise the economizer hopper (1), inlet valve (2), the storehouse pump (3) that set gradually, economizer hopper (1) is connected by feed pipe with the feed end of storehouse pump (3), the discharge end of storehouse pump (3) connects feeding pipe (5), feeding pipe is provided with pressure-detecting device on (5), storehouse pump (3) is connected with transmitting power source (4), transmitting power source (4), inlet valve (2) and pressure-detecting device all are connected with the control device of conveying mechanism, it is characterized in that: described feeding pipe is communicated to the dry residue chamber (6) of boiler body one side.
2. boiler economizer flying dust conveying mechanism according to claim 1 is characterized in that: described feeding pipe (5) is tilted to down layout from storehouse pump (3) to dry residue chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200898882U CN202082939U (en) | 2011-03-31 | 2011-03-31 | Fly ash conveying mechanism of boiler economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200898882U CN202082939U (en) | 2011-03-31 | 2011-03-31 | Fly ash conveying mechanism of boiler economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082939U true CN202082939U (en) | 2011-12-21 |
Family
ID=45343565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200898882U Expired - Lifetime CN202082939U (en) | 2011-03-31 | 2011-03-31 | Fly ash conveying mechanism of boiler economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604131A (en) * | 2013-11-25 | 2014-02-26 | 镇江市电站辅机厂有限公司 | Suspension-type economizer ash conveying system |
| CN106364926A (en) * | 2016-11-29 | 2017-02-01 | 张金海 | Quick unloading and air-interchanging device of weighing metering bin of fly ash treatment equipment |
-
2011
- 2011-03-31 CN CN2011200898882U patent/CN202082939U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604131A (en) * | 2013-11-25 | 2014-02-26 | 镇江市电站辅机厂有限公司 | Suspension-type economizer ash conveying system |
| CN103604131B (en) * | 2013-11-25 | 2016-01-13 | 镇江市电站辅机厂有限公司 | Suspension type economizer ash-transmission system |
| CN106364926A (en) * | 2016-11-29 | 2017-02-01 | 张金海 | Quick unloading and air-interchanging device of weighing metering bin of fly ash treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |