Anti-caking method for powder ash pot

An anti-caking and ash tank technology, which is applied in the direction of containers, packaging, transportation and packaging, etc., can solve the problems of blowing, manual labor, and the inability of the materials in the ash tank to be transported to the mixing place, so as to prevent agglomeration, The effect of increasing mobility

Inactive Publication Date: 2016-01-27
HICO PETRO TECH
6 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

In severe cases, the conveying system of the ash tank cannot blow away the agglomerated cement or bentonite, so that the agglomerated material is blocked in the pipeline, so that the material in the ash tank cannot be transporte...
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Method used

In the present invention, during the deactivation of the ash conveying system, the controller regularly opens the bypass intake valve 001, injects dry air into the scattered ash through the air intake line at the bottom of the scattered ash tank 2, and injects the dry air into the scattered ash. The remaining air is replaced, and when the air pressure in t...
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Abstract

Provided is an anti-caking method for a powder ash pot. The method is used for a drilling platform powder ash pot, and prevents powder ashes from caking and blocking a pipeline when the pot is not used for a long time. The method comprises the following steps: a, switching on a system measuring and controlling device, starting preset measuring and controlling operation, at preset time, opening a bypass inlet valve; b, monitoring whether pressure in the preset powder ash pot reaches a preset value or not, if the pressure reaches the preset value, opening a bypass vent valve, and closing the inlet valve; c, at preset emptying time, closing the bypass vent valve, and starting the next loop operation. Beneficial effects of the method are that dry air replaces damp air in gaps of the powder ash particles at regular time, air proportion in the powder ashes is increased, and activity of the powder ashes is improved through the supplemented air, and through the vent valve, air in the pot is rapidly discharged, so as to disperse humidity, and prevent caking.

Application Domain

Technology Topic

CakingExhaust valve +3

Image

  • Anti-caking method for powder ash pot
  • Anti-caking method for powder ash pot

Examples

  • Experimental program(1)

Example Embodiment

[0011] attached by figure 1 It can be seen that the present invention includes the ash-dispersing tank 2 and the emptying main pipe 1 and the intake main pipe 4 connected thereto, and also includes the ash-inlet main pipe 3 and the ash-out main pipe 5 connected with the ash-dispersing tank 2, and the described emptying main pipe 1 A bypass exhaust valve 002 is provided on the pipeline connected with the ash scattered tank 2, and a bypass air intake valve 001 is provided on the pipeline connected with the ash scattered tank 2 of the air intake main pipe 4. See attached figure 2 , the purging steps are as follows: a. Open the system controller, start the preset metering and control operation, and when the preset time is reached, the bypass intake valve 001 is opened; b. Monitor whether the preset pressure in the ash tank 2 reaches the set value When the value is reached, the bypass exhaust valve 002 is opened, and the intake valve 001 is closed at the same time; c. After the preset emptying time is reached, the bypass exhaust valve 002 is closed to start the next cycle operation. In the above-mentioned steps, when the predetermined time has not been reached, the controller continues timing without other operations; when the pressure in the tank does not reach the set value after the bypass inlet valve 001 is opened, the inlet valve 001 remains Open state; when the pressure in the tank reaches the set pressure, the system opens the bypass exhaust valve 002, and closes the intake valve 001 at the same time; Start timing for the next cycle.
[0012] In the present invention, when the ash conveying system is out of service, the controller regularly opens the bypass air intake valve 001, injects dry air into the scattered ash through the air intake line at the bottom of the ash scattered tank 2, and discharges the residual air in the scattered ash. Replace it, and when the air pressure in the tank reaches 0.2Bar, open the bypass exhaust valve 002, and discharge the moisture-containing air in the tank into the atmosphere through the emptying main pipe 1. Regular supply of dry air can not only regularly remove the water vapor in the material, but also loosen the material in the tank to avoid agglomeration due to humidity and standing.
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Description & Claims & Application Information

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