CN109625807A - A kind of screw-type coal distributor automatic block clearing device - Google Patents
A kind of screw-type coal distributor automatic block clearing device Download PDFInfo
- Publication number
- CN109625807A CN109625807A CN201811506084.0A CN201811506084A CN109625807A CN 109625807 A CN109625807 A CN 109625807A CN 201811506084 A CN201811506084 A CN 201811506084A CN 109625807 A CN109625807 A CN 109625807A
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- Prior art keywords
- screw
- coal
- type coal
- coal distributor
- distributor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of screw-type coal distributor automatic block clearing devices, it include screw-type coal distributor, the screw-type coal distributor includes motor-driven auger, Packed sleeve is arranged in the outside of the auger, the upper surface of described screw-type coal distributor is provided with coal bunker, it includes screw-type coal distributor that the coal bunker is connected with sleeve, the sleeve is provided with electromagnetic pneumatic blowing valve every a distance, humidity sensor is provided in the coal bunker, the data that humidity sensor will test are transferred in control system；The moisture signal in current signal and coal bunker by being provided with control system connection receipts motor is handled, and it feeds back into electromagnetic pneumatic blowing valve, according to coal-fired situation and feeder curent change situation adjust automatically working method, block clearing is carried out with damp coal to the product coal in screw-type coal distributor sleeve, guarantee not because the coal that breaks caused by chute blockage influences production, mitigate screw-type coal distributor burden simultaneously, prolongs the service life.
Description
Technical field
The present invention relates to three-waste fluidized mix combustion furnace screw-type coal distributor continuously give coal technical field more particularly to a kind of spiral to
Coal machine automatic block clearing device.
Background technique
Currently, Environmental Protection Situation is more severe, and requirement of the country to environmental protection is also increasingly stringenter.It is each with ammonia enterprise
The needs that item technological progress and environmental transformation require, in recent years, chemical industry is well-known with high pollution, and environmental problem has become restriction
One of the bottleneck of chemical industry development, seeks suitable methods, is very urgent task.Three-waste fluidized mix combustion furnace is main
For recycling producing gas blower and synthesis periodic off-gases tail gas, energy waste utilization can be recycled and protect environment, meet country
Energy-saving and emission-reduction policy, thus three wastes furnace can normal table operation it is most important.Three wastes furnace send blowing-out gas, burner hearth due to intermittence
Negative pressure is in cyclic fluctuation, and screw-type coal distributor is necessarily designed to closing form, it is ensured that when sending blowing-out gas positive pressure without high-temperature coal
Ash sprays, and does not cause personal injury and environmental pollution.But due to giving the system lock of coal auger, to coal easily in screw-type coal distributor
Portion space residual packing, situation is particularly acute when being bonded in auger surface and sleeve wall surface, coal tide and doping colm, this is not only
The abrasion for increasing feeder reduces the service life, and increases because the coal burning boiler temperature that collapses of breaking is gone out the risk of furnace caused by auger is disconnected, right
It produces stable operation and forms very big threat.
Existing three wastes furnace is spherical hearth, and double-wind chamber cloth wind mode, four screw-type coal distributors are distributed in around combustion furnace, often
Platform screw-type coal distributor matches a set of flat belt coal supply system.Screw-type coal distributor uses motor driven, centre copy wheel connection, spiral
Coal is pushed and is burnt into combustion furnace by bearing support, continuous running by feeder body part.Since screw-type coal distributor sleeve uses
Totally enclosed type is bonded in sleeve inner to coal and is accumulated, and increases spiral to the abrasion of coal auger and to coal resistance, especially in coal tide
When with doping colm and clinker, situation is more serious, brings hidden danger to screw-type coal distributor safe operation.Current every spiral is given
The service life of coal machine is about 2 months, and when each screw-type coal distributor auger breaks, corresponding points temperature is difficult to be maintained, it is necessary in time
Load could be maintained to coal manually, and the careless slightly temperature that is possible to cause to collapse is gone out furnace, therefore, solves the problems, such as this kind of to seem outstanding
It is important.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of screw-type coal distributor automatic block clearing devices, by being provided with
The moisture signal that control system connection is received in the current signal and coal bunker of motor is handled, and is fed back and arrived electromagnetic pneumatic blowing valve
In, according to coal-fired situation and feeder curent change situation adjust automatically working method, to the product coal in screw-type coal distributor sleeve
Block clearing is carried out with damp coal, is guaranteed not because of coal influence production of breaking caused by chute blockage, while mitigating screw-type coal distributor burden, is extended and use the longevity
Life.
To solve the above-mentioned problems, the present invention provides a kind of screw-type coal distributor automatic block clearing device, include spiral to
Coal machine, the screw-type coal distributor include motor-driven auger, and Packed sleeve, the spiral shell is arranged in the outside of the auger
The upper surface of rotation feeder is provided with coal bunker, and the coal bunker is connected with sleeve, it is characterised in that: the sleeve is every a distance
It is provided with electromagnetic pneumatic blowing valve, humidity sensor, the number that the humidity sensor will test are provided in the coal bunker
According to being transferred in control system, and corresponding signal is issued in the electromagnetic coil into motor by the control system, generated
Current signal be transmitted in control system again, electromagnetic pneumatic blowing valve is determined by the moisture signal and current signal of feedback
Operating mode, be provided with indicator light to show different operating modes on the screw-type coal distributor.
Further improvement lies in that: the gas source of the electromagnetic pneumatic blowing valve is supplied by instrument air, and pressure is in 0.4-
0.8MPa。
Further improvement lies in that: the electromagnetic pneumatic blowing valve include there are three types of operating mode, respectively low frequency mode, in
Frequency mode and high frequency mode.
Further improvement lies in that: under the low frequency mode, it is blown time interval 100s, is blown time 0.3s every time, by
Yellow indicator lamp instruction.
Further improvement lies in that: under the intermediate frequency mode, it is blown time interval 50s, time 0.5s is blown every time, by green
The instruction of color indicator light.
Further improvement lies in that: under high frequency mode, it is blown time interval 20s, time 0.8s is blown every time, is referred to by red
Show that lamp indicates.
The beneficial effects of the present invention are: will hold back from source after taking screw-type coal distributor automatic block clearing device of the invention
The problems such as frequent chute blockage of auger processed, serious wear, the service life is short and feeder is big to coal abnormal sound, and motor high loaded process is generated heat,
It is time saving and energy saving that three kinds of operating modes automatically switch to select, and is automatically adjusted according to different operating conditions, selects most economical mode；System
System rear screw feeder auger service life of coming into operation will elongate to half a year, not only reduces the probability of malfunction of equipment, has saved machine material
Consumption, while also greatly reducing since auger failure causes the disconnected coal even boiler temperature that collapses to go out the risk of furnace, it is worth in three waste streams
Change mixed combustion furnace spiral coal supply system to widely popularize.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: 1- screw-type coal distributor, 2- motor, 3- auger, 4- sleeve, 5- coal bunker, 6- electromagnetic pneumatic blowing valve, 7- are wet
Degree sensing.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
It include screw-type coal distributor 1 as shown in Figure 1, present embodiments providing a kind of screw-type coal distributor automatic block clearing device,
The screw-type coal distributor 1 includes the auger 3 that motor 2 drives, and Packed sleeve 4, the spiral shell is arranged in the outside of the auger 3
The upper surface of rotation feeder 1 is provided with coal bunker 5, and the coal bunker 5 is connected with sleeve 4, and the sleeve 4 is arranged every 400mm distance
There is electromagnetic pneumatic blowing valve 6, there are three electromagnetic pneumatic blowing valves 6 for setting altogether, it is provided with humidity sensor 7 in the coal bunker 5,
The data that the humidity sensor 7 will test are transferred in DSC control system, and are issued relatively by the DSC control system
Into the electromagnetic coil in motor 2, the current signal of generation is transmitted in control system the signal answered again, passes through the humidity of feedback
Signal and current signal determine the operating mode of electromagnetic pneumatic blowing valve 6, are provided with indicator light on the screw-type coal distributor 1
Show different operating modes.The gas source of the electromagnetic pneumatic blowing valve 6 is supplied by instrument air, and pressure is in 0.6MPa.
The electromagnetic pneumatic blowing valve 6 includes that there are three types of operating modes, respectively low frequency mode, intermediate frequency mode and high frequency mode.Institute
It states under low frequency mode, is blown time interval 100s, is blown time 0.3s every time, it is relatively dry suitable for coal, it is less to mix colm
Good operating condition, be suitable for most of common operating conditions, indicated by yellow indicator lamp.Under the intermediate frequency mode, it is blown between the time
Every 50s, it is blown time 0.5s every time, is indicated by green indicator light.Under high frequency mode, it is blown time interval 20s, is blown every time
Time 0.8s, it is big suitable for coal-fired moisture, the more bad working environments of colm are mixed, are indicated by red indicating light.
According to current three wastes furnace operating condition and coal-fired analysis report, moisture 10% or so, screw-type coal distributor electric current 7.0A is left
It is right.When moisture is less than 8% or electric current is less than 6.5A, DSC control system automatically switches to low frequency operating mode；When moisture is in 8%-
12% or electric current be 6.5A-7.5A when, control system automatically switches to intermediate frequency operating mode；When moisture is greater than 12% or electric current is greater than
When 7.5A, control system automatically switches to high-frequency work mode.
Every the suitable for reading of screw auger is fitted with three electromagnetic pneumatic blowing valves, is respectively connected to DCS control system, and every
The current of electric of auger equally accesses, while the humidity sensor of coal bunker is connected to the control module of DCS simultaneously；Work as control system
It detects and the blowing frequency is opened according to the height of electric current when the variation of auger electric current, be blown the height of the frequency also according to auger electricity
The data of the humidity sensor of electromechanics stream and coal bunker carry out dynamic adjustment, energy-efficient to keep automatic blow out system to accomplish；This
Invention realization device gives coal efficient blockage clearing, substantially prolongs the service life of coal feeder, eliminates damp coal blocking auger and causes
Equipment damage and disconnected the coal temperature that collapses are gone out the Influence of production of furnace.Boiler operating efficiency is improved, the workload of maintenance and operation is mitigated.
Claims (6)
1. a kind of screw-type coal distributor automatic block clearing device includes screw-type coal distributor (1), the screw-type coal distributor (1) includes
Packed sleeve (4) is arranged in the outside of the auger (3) of motor (2) driving, the auger (3), the screw-type coal distributor (1)
Be provided with above coal bunker (5), the coal bunker (5) is connected with sleeve (4), it is characterised in that: the sleeve (4) every one section away from
From electromagnetic pneumatic blowing valve (6) are provided with, humidity sensor (7), the humidity sensor are provided in the coal bunker (5)
(7) data that will test are transferred in control system, and issue corresponding signal in motor (2) by the control system
Electromagnetic coil in, the current signal of generation is transmitted in control system again, by the moisture signal and current signal of feedback come
It determines the operating mode of electromagnetic pneumatic blowing valve (6), is provided with indicator light on the screw-type coal distributor (1) to show different works
Operation mode.
2. a kind of screw-type coal distributor automatic block clearing device according to claim 1, it is characterised in that: the electromagnetic pneumatic spray
The gas source for blowing valve (6) is supplied by instrument air, and pressure is in 0.4-0.8MPa.
3. a kind of screw-type coal distributor automatic block clearing device according to claim 1, it is characterised in that: the electromagnetic pneumatic spray
Blowing valve (6) includes that there are three types of operating modes, respectively low frequency mode, intermediate frequency mode and high frequency mode.
4. a kind of screw-type coal distributor automatic block clearing device according to claim 3, it is characterised in that: in the low frequency mode
Under, it is blown time interval 100s, time 0.3s is blown every time, is indicated by yellow indicator lamp.
5. a kind of screw-type coal distributor automatic block clearing device according to claim 3, it is characterised in that: in the intermediate frequency mode
Under, it is blown time interval 50s, time 0.5s is blown every time, is indicated by green indicator light.
6. a kind of screw-type coal distributor automatic block clearing device according to claim 3, it is characterised in that: under high frequency mode,
It is blown time interval 20s, time 0.8s is blown every time, is indicated by red indicating light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506084.0A CN109625807A (en) | 2018-12-10 | 2018-12-10 | A kind of screw-type coal distributor automatic block clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506084.0A CN109625807A (en) | 2018-12-10 | 2018-12-10 | A kind of screw-type coal distributor automatic block clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109625807A true CN109625807A (en) | 2019-04-16 |
Family
ID=66072476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811506084.0A Pending CN109625807A (en) | 2018-12-10 | 2018-12-10 | A kind of screw-type coal distributor automatic block clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109625807A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282461A (en) * | 2019-08-02 | 2019-09-27 | 吉林电力股份有限公司四平第一热电公司 | Meterage in weighting feeder gives coal motor-driven assistor |
| CN113681697A (en) * | 2021-08-19 | 2021-11-23 | 青岛金福鑫塑料机械有限公司 | Processing equipment for producing plate by utilizing fly ash granulation and preparation process thereof |
| CN116692377A (en) * | 2023-08-08 | 2023-09-05 | 江苏天利智能科技有限公司 | Conveyer for feeding station |
| CN117325429A (en) * | 2023-11-30 | 2024-01-02 | 淮安市华丰塑业有限公司 | Water cooling device for textile woven bag granulating machine barrel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3209323A1 (en) * | 1982-03-15 | 1983-09-15 | Wolfram Dipl.-Ing. 6074 Urberach Reimelt | Closable intermediate outlet in a horizontal screw conveyor |
| CN204847182U (en) * | 2015-08-10 | 2015-12-09 | 石家庄荣信科技有限公司 | Prevent screw machine that agglomerates |
| CN204896605U (en) * | 2015-08-05 | 2015-12-23 | 浙江三禾生物工程有限公司 | Quick clean formula screw conveyor |
| CN205020040U (en) * | 2015-07-20 | 2016-02-10 | 营口远东科技有限公司 | High -efficient anti -blocking granulator of chemical fertilizer |
-
2018
- 2018-12-10 CN CN201811506084.0A patent/CN109625807A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3209323A1 (en) * | 1982-03-15 | 1983-09-15 | Wolfram Dipl.-Ing. 6074 Urberach Reimelt | Closable intermediate outlet in a horizontal screw conveyor |
| CN205020040U (en) * | 2015-07-20 | 2016-02-10 | 营口远东科技有限公司 | High -efficient anti -blocking granulator of chemical fertilizer |
| CN204896605U (en) * | 2015-08-05 | 2015-12-23 | 浙江三禾生物工程有限公司 | Quick clean formula screw conveyor |
| CN204847182U (en) * | 2015-08-10 | 2015-12-09 | 石家庄荣信科技有限公司 | Prevent screw machine that agglomerates |
Non-Patent Citations (1)
| Title |
|---|
| 李复兴，李希沛: "《配合饲料大全》", 31 October 1994, 青岛海洋大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282461A (en) * | 2019-08-02 | 2019-09-27 | 吉林电力股份有限公司四平第一热电公司 | Meterage in weighting feeder gives coal motor-driven assistor |
| CN113681697A (en) * | 2021-08-19 | 2021-11-23 | 青岛金福鑫塑料机械有限公司 | Processing equipment for producing plate by utilizing fly ash granulation and preparation process thereof |
| CN116692377A (en) * | 2023-08-08 | 2023-09-05 | 江苏天利智能科技有限公司 | Conveyer for feeding station |
| CN117325429A (en) * | 2023-11-30 | 2024-01-02 | 淮安市华丰塑业有限公司 | Water cooling device for textile woven bag granulating machine barrel |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |