CN203436955U - Variable frequency energy-saving kiln head dust removal device for cement production line - Google Patents
Variable frequency energy-saving kiln head dust removal device for cement production line Download PDFInfo
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- CN203436955U CN203436955U CN201320486384.3U CN201320486384U CN203436955U CN 203436955 U CN203436955 U CN 203436955U CN 201320486384 U CN201320486384 U CN 201320486384U CN 203436955 U CN203436955 U CN 203436955U
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- pressure transmitter
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Abstract
The utility model relates to an energy-saving dust removal device, in particular to a variable frequency energy-saving kiln head dust removal device for a cement production line. The device comprises a hot air pipe (1), a cold air pipe (2), a mixed air pipe (3), a bag-type dust remover (4), an exhaust pipe (5), a kiln head exhaust fan (6), a controller (7) and a vector frequency converter (8), wherein an inlet air pressure transmitter (10) and a temperature measurement probe (11) are arranged on the mixed air pipe (3); an outlet air pressure transmitter (12) is arranged on the exhaust pipe (5); the inlet air pressure transmitter (10), the outlet air pressure transmitter (12) and the temperature measurement probe (11) are connected with the controller (7); the controller (7) is connected with a cold air valve (9) and the vector frequency converter (8); the vector frequency converter (8) is connected with the kiln head exhaust fan (6). The device is simple in structure, and the volume and temperature of inlet air can be effectively controlled; the kiln head exhaust fan can run stably, safely and reliably, so that the running efficiency is improved, the energy consumption is lowered, and the normal implementation of dust removal work is ensured.
Description
Technical field
The utility model relates to a kind of energy-saving duster, especially relates to a kind of cement producing line kiln hood energy-saving and frequency-variable dust arrester.
Background technology
At present, along with increasingly sharpening of cement production enterprise competition, the height of production cost has determined the status of cement production enterprise in market competition, and cement production enterprise greatly cost is wasted in energy consumption, and the power consumption in reduction cement production process has more and more caused the attention of industry.In the processing procedure of cement products, motor load power consumption just accounts for cost nearly 30%, and the high-tension motor that Driving Fan is used occupies very large proportion in motor, for a cement producing line, wherein having 25%～30% electric energy is for dragging all kinds blower fan.In cement producing line, it is that the unnecessary hot blast in grate-cooler rear portion is discharged after dust arrester dedusting that the kiln hood grate-cooler lingering remnants of past customs is processed.Bagroom in dust arrester has certain requirement to air inlet, just can prevent the aging of cloth bag, originally the mixing of air inlet is generally controlled by the valve of each air inlet pipe, hand labor power is large and can not accomplish real-time control, the gas that enters bagroom does not reach requirement, can make the cloth bag in bagroom aging, in the process of gathering dust, can cause cloth bag to stop up, cause cloth bag wearing and tearing, perforation, the phenomenon such as come off, make kiln head exhaust fan resistance increment, negative pressure raises, blower fan load is increased causes overload to shut down, the frequent appearance meeting of this phenomenon causes damage to kiln head exhaust fan motor.Affect the normal operation of kiln hood dust arrester.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of cement producing line kiln hood energy-saving and frequency-variable dust arrester, object is can automatically regulate the EAT of cement producing line kiln hood energy-saving and frequency-variable dust arrester and go out wind pressure, real time temperature, air quantity control have been realized, control accuracy is high, is conducive to improve operational efficiency, significantly reduces energy consumption, the not frequent chaser of motor, guarantees the normal operation of dedusting work.
For achieving the above object, the technical solution that the utility model adopts is:
Cement producing line kiln hood energy-saving and frequency-variable dust arrester, comprises warm-air pipe, cool air hose, mixing airduct, sack cleaner, exhaust duct, kiln hood exhaust duct, controller, vector frequency converter; Warm-air pipe, cool air hose are communicated with, mix airduct with mixing airduct and be communicated with sack cleaner air inlet, and sack cleaner air outlet is communicated with kiln head exhaust fan by exhaust duct; Cool air hose is provided with cold wind valve, mixes airduct pipe and is provided with air intake pressure transmitter and temperature probe near sack cleaner air inlet place, and exhaust duct is provided with air-out pressure transmitter; Air intake pressure transmitter, air-out pressure transmitter and temperature probe are connected with controller by holding wire, and be connected with vector frequency converter signal input part with cold wind valve by the control line output of vector frequency converter and the drive motors of kiln head exhaust fan of controller is connected.
Described cold wind valve is electrically operated valve.
Described sack cleaner is pulsed jet cloth filter.
Described controller is DCS main frame.
Described holding wire, control line are shielding line.
During work, the unnecessary hot blast in grate-cooler rear portion mixes with the cold air entering by cold wind valve through warm-air pipe, and mist enters after sack cleaner dedusting, by kiln head exhaust fan, is discharged.Temperature probe is passed to controller by the gas temperature that enters sack cleaner recording, and controller is controlled the switching amount of cold wind valve, makes the gas temperature that enters sack cleaner in certain scope; Air intake pressure transmitter, air-out pressure transmitter are passed to controller by the air pressure signal into and out of sack cleaner recording, controller is controlled vector frequency converter, thereby control the rotating speed of kiln head exhaust fan, cloth bag in bagroom is aging, in the time of can causing cloth bag to stop up in the process of gathering dust, cause kiln head exhaust fan load to increase, vector frequency converter governing system breaks down, vector frequency converter automatically switches to power frequency operation, guarantees the normal operation of cement producing line kiln hood energy-saving and frequency-variable dust arrester.
the beneficial effects of the utility model:
The utility model is simple in structure, and holding wire and control line adopt shielding line, have higher transfer rate and good anti-electromagnetic interference capability, can in harsh industrial environment, work, and are applicable to manufacture of cement; Sack cleaner is the safety and efficiently that protected against explosion air box impulse sack cleaner can guarantee dedusting work; Controller is that DCS main frame can carry out automation control to each equipment, reduces personnel's working strength, and the intake of each valve can effectively be controlled, thereby guarantees sack cleaner EAT within the specific limits; Vector frequency converter makes kiln head exhaust fan stable and safe in operation reliable, realized the continuous control of kiln hood exhaust air rate, control accuracy is high, is conducive to improve the operational efficiency of kiln head exhaust fan, reduced the energy consumption of kiln head exhaust fan, reduce motor noise, only realize soft start and soft stop, reduce the impact of electrical network starting current, reliability is high, reduced maintenance cost, not frequent chaser, has guaranteed the normal operation of dedusting work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-warm-air pipe, 2-cool air hose, 3-mixing airduct, 4-sack cleaner, 5-exhaust duct, 6-kiln head exhaust fan, 7-controller, 8-vector frequency converter, 9-cold wind valve, 10-air intake pressure transmitter, 11-temperature probe, 12-air-out pressure transmitter, 13-holding wire, 14-control line.
The specific embodiment
embodiment 1
As shown in Figure 1, cement producing line kiln hood energy-saving and frequency-variable dust arrester, comprises warm-air pipe 1, cool air hose 2, mixes airduct 3, sack cleaner 4, exhaust duct 5, kiln hood exhaust duct 6, controller 7, vector frequency converter 8; Warm-air pipe 1, cool air hose 2 and mixing airduct 3 are communicated with, mix airduct 3 and be communicated with sack cleaner 4 air inlets, and sack cleaner 4 air outlets are communicated with kiln head exhaust fan 6 by exhaust duct 5; Cool air hose 2 is provided with cold wind valve 9, mixes airduct 3 pipes and is provided with air intake pressure transmitter 10 and temperature probe 11 near sack cleaner 4 air inlet places, and exhaust duct 5 is provided with air-out pressure transmitter 12; Air intake pressure transmitter 10, air-out pressure transmitter 12 and temperature probe 11 are connected with controller 7 by holding wire 13, controller 7 is connected with vector frequency converter 8 signal input parts with cold wind valve 9 by control line 14, and the output of vector frequency converter 8 is connected with the drive motors of kiln head exhaust fan 6.
Described cold wind valve 9 is electrically operated valve.
Described sack cleaner 4 is pulsed jet cloth filter.
Described controller 7 is DCS main frame.
Described holding wire 13, control line 14 are shielding line.
During work, the unnecessary hot blast in grate-cooler rear portion mixes with the cold air entering by cold wind valve 9 through warm-air pipe 1, and mist enters after sack cleaner 4 dedustings, by kiln head exhaust fan 6, is discharged.Temperature probe 11 is passed to controller 7 by the gas temperature that enters sack cleaner 4 recording, and the switching amount of 7 pairs of cold wind valves 9 of controller is controlled, and makes the gas temperature that enters sack cleaner 4 in certain scope; Air intake pressure transmitter 10, air-out pressure transmitter 12 are passed to controller 7 by the air pressure signal into and out of sack cleaner 4 recording, 7 pairs of vector frequency converters 8 of controller are controlled, thereby control the rotating speed of kiln head exhaust fan 6, cloth bag in bagroom is aging, in the time of can causing cloth bag to stop up in the process of gathering dust, cause kiln head exhaust fan 6 loads to increase, vector frequency converter 8 governing systems break down, vector frequency converter 8 automatically switches to power frequency operation, guarantees the normal operation of cement producing line kiln hood energy-saving and frequency-variable dust arrester.
Claims (6)
1. cement producing line kiln hood energy-saving and frequency-variable dust arrester, it is characterized in that, comprise warm-air pipe (1), cool air hose (2), mix airduct (3), sack cleaner (4), exhaust duct (5), kiln hood exhaust duct (6), controller (7), vector frequency converter (8); Warm-air pipe (1), cool air hose (2) and mixing airduct (3) are communicated with, mix airduct (3) and be communicated with sack cleaner (4) air inlet, and sack cleaner (4) air outlet is communicated with kiln head exhaust fan (6) by exhaust duct (5); Cool air hose (2) is provided with cold wind valve (9), mixes airduct (3) pipe and is provided with air intake pressure transmitter (10) and temperature probe (11) near sack cleaner (4) air inlet place, and exhaust duct (5) is provided with air-out pressure transmitter (12); Air intake pressure transmitter (10), air-out pressure transmitter (12) and temperature probe (11) are connected with controller (7) by holding wire (13), controller (7) is connected with vector frequency converter (8) signal input part with cold wind valve (9) by control line (14), and the output of vector frequency converter (8) is connected with the drive motors of kiln head exhaust fan (6).
2. cement producing line kiln hood energy-saving and frequency-variable dust arrester according to claim 1, is characterized in that, described cold wind valve (9) is electrically operated valve.
3. cement producing line kiln hood energy-saving and frequency-variable dust arrester according to claim 1, is characterized in that, described sack cleaner (4) is pulsed jet cloth filter.
4. according to cement producing line kiln hood energy-saving and frequency-variable dust arrester described in claim 1-3 any one, it is characterized in that, described controller (7) is DCS main frame.
5. according to cement producing line kiln hood energy-saving and frequency-variable dust arrester described in claim 1-3 any one, it is characterized in that, described holding wire (13), control line (14) are shielding line.
6. cement producing line kiln hood energy-saving and frequency-variable dust arrester according to claim 4, is characterized in that, described holding wire (13), control line (14) are shielding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486384.3U CN203436955U (en) | 2013-08-12 | 2013-08-12 | Variable frequency energy-saving kiln head dust removal device for cement production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486384.3U CN203436955U (en) | 2013-08-12 | 2013-08-12 | Variable frequency energy-saving kiln head dust removal device for cement production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203436955U true CN203436955U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320486384.3U Expired - Lifetime CN203436955U (en) | 2013-08-12 | 2013-08-12 | Variable frequency energy-saving kiln head dust removal device for cement production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN203436955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435034A (en) * | 2018-12-05 | 2019-03-08 | 湖南安得建筑机械有限公司 | A kind of curing kilns curing system and curing kilns |
-
2013
- 2013-08-12 CN CN201320486384.3U patent/CN203436955U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435034A (en) * | 2018-12-05 | 2019-03-08 | 湖南安得建筑机械有限公司 | A kind of curing kilns curing system and curing kilns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yuxi City, Yunnan Province, 651107 street town of Yimen County Patentee after: Yunnan Zhong Rui (Group) building materials Co., Ltd. Address before: Yuxi City, Yunnan Province, 651107 street town of Yimen County Patentee before: Yunnan Yimen Zhongrui (Group) building materials Co. Ltd. |
|
| CP01 | Change in the name or title of a patent holder |