CN209054933U - A kind of rotary kiln airflow pressure control system - Google Patents
A kind of rotary kiln airflow pressure control system Download PDFInfo
- Publication number
- CN209054933U CN209054933U CN201821718023.6U CN201821718023U CN209054933U CN 209054933 U CN209054933 U CN 209054933U CN 201821718023 U CN201821718023 U CN 201821718023U CN 209054933 U CN209054933 U CN 209054933U
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- rotary kiln
- air
- pressure transmitter
- pressure
- control system
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Abstract
The utility model relates to rotary kiln technology, in particular to a kind of rotary kiln airflow pressure control system.A kind of rotary kiln airflow pressure control system designed by the utility model, it includes rotary dehumidifier, and air quantity automatic regulating valve and adjusting type flowmeter are equipped on intake stack, and PID closed-loop control is constituted between air quantity automatic regulating valve and adjusting type flowmeter；It is additionally provided with pressure transmitter one on intake stack, pressure transmitter two is equipped on wind pipe, PID closed-loop control is constituted between pressure transmitter one, pressure transmitter two and air-introduced machine.Rotary kiln intake and kiln inner pressure monitoring get up to realize closed-loop control by the utility model on the basis of original control heating temperature, so that intake and kiln inner pressure are controllable, adjustable, improves the efficiency of rotary kiln drying material.
Description
Technical field
The utility model relates to rotary kiln technology, in particular to a kind of rotary kiln airflow pressure control system.
Background technique
Rotary kiln is as a kind of common drying equipment, and structure is simple, stable temperature control, is widely used in building
In many production industries such as material, metallurgy, chemical industry, environmental protection.Although kiln temperature control is stablized, accurately material can be heated to
Ideal temperature, but only controlling temperature is inadequate to perfect condition, if air output is not enough or heating process bring
Damp-heat air cannot be discharged in time, and product quality does not reach requirement equally.Control kiln bore temperature,
Air output, damp-heat air rate of discharge three, which reach a kind of equilibrium state, to be particularly important.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is real to provide a kind of pair of rotary kiln intake, wind pressure
Existing closed-loop control, so that intake and kiln inner pressure can control, adjustable rotary kiln airflow pressure control system.
In order to achieve the above object, a kind of rotary kiln airflow pressure control system designed by the utility model, it includes
The rotary dehumidifier of rotary kiln air inlet is set, intake stack is equipped between rotary dehumidifier and rotary kiln, is being entered the wind
Pipeline is equipped with air quantity automatic regulating valve and adjusting type flowmeter, constitutes between air quantity automatic regulating valve and adjusting type flowmeter
PID closed-loop control；Pressure transmitter one is additionally provided on intake stack, the pressure transmitter one is set close to rotary kiln air inlet
It sets；It is equipped with air-introduced machine at the air outlet of rotary kiln, wind pipe is equipped between rotary kiln and air-introduced machine, on wind pipe
Equipped with pressure transmitter two, the pressure transmitter two is arranged close to rotary kiln air outlet；Pressure transmitter one, pressure transmitter
PID closed-loop control is constituted between two and air-introduced machine.
The utility model monitors intake using adjusting type flowmeter, which does not require have straight pipe before and after instrument,
The accuracy of air volume test can be improved.Meanwhile using air quantity automatic regulating valve, make adjusting type flowmeter and air quantity automatic regulating valve
Between constitute PID closed-loop control system, it is ensured that intake constant magnitude.Since rotary kiln air outlet and air outlet pressure difference can be with
In kiln damp-heat air water content size variation and change, therefore a pressure is respectively installed at the air inlet of rotary kiln and air outlet
Power transmitter, and with draft mechanism at PID closed-loop control system, it is ensured that furnace air pressure is stablized.
Originally only one-sided control heating temperature carried out dried material to rotary kiln, and actually often temperature reaches, in kiln
Damp-heat air but band is not walked, dry purpose is equally not achieved in material.Base of the utility model in original control heating temperature
On plinth, rotary kiln intake and kiln inner pressure monitoring are got up to realize closed-loop control so that intake and kiln inner pressure it is controllable,
It is adjustable, improve the efficiency of rotary kiln drying material, it is ensured that material moisture controls scientific, comprehensive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of rotary kiln airflow pressure control system of the present embodiment description, it includes being arranged in rotary kiln
The rotary dehumidifier 1 of air inlet is equipped with intake stack between rotary dehumidifier and rotary kiln, and wind is equipped on intake stack
Automatic regulating valve 2 and adjusting type flowmeter 3 are measured, PID closed-loop control is constituted between air quantity automatic regulating valve and adjusting type flowmeter；
Pressure transmitter 1 is additionally provided on intake stack, the pressure transmitter one is arranged close to rotary kiln air inlet；In rotary kiln
Air outlet at be equipped with air-introduced machine 5, between rotary kiln and air-introduced machine be equipped with wind pipe, on wind pipe be equipped with pressure become
Device 26 is sent, the pressure transmitter two is arranged close to rotary kiln air outlet；Pressure transmitter one, pressure transmitter two and draw
PID closed-loop control is constituted between blower.
Claims (1)
1. a kind of rotary kiln airflow pressure control system, it is characterised in that: it includes the runner that rotary kiln air inlet is arranged in
Dehumidifier, between rotary dehumidifier and rotary kiln be equipped with intake stack, on intake stack be equipped with air quantity automatic regulating valve and
Adjusting type flowmeter constitutes PID closed-loop control between air quantity automatic regulating valve and adjusting type flowmeter；It is also set on intake stack
There is pressure transmitter one, the pressure transmitter one is arranged close to rotary kiln air inlet；It is equipped with and draws at the air outlet of rotary kiln
Blower is equipped with wind pipe between rotary kiln and air-introduced machine, and pressure transmitter two is equipped on wind pipe, and the pressure becomes
Device two is sent to be arranged close to rotary kiln air outlet；PID closed loop is constituted between pressure transmitter one, pressure transmitter two and air-introduced machine
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718023.6U CN209054933U (en) | 2018-10-23 | 2018-10-23 | A kind of rotary kiln airflow pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718023.6U CN209054933U (en) | 2018-10-23 | 2018-10-23 | A kind of rotary kiln airflow pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209054933U true CN209054933U (en) | 2019-07-02 |
Family
ID=67051088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821718023.6U Active CN209054933U (en) | 2018-10-23 | 2018-10-23 | A kind of rotary kiln airflow pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209054933U (en) |
-
2018
- 2018-10-23 CN CN201821718023.6U patent/CN209054933U/en active Active
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