CN218470590U - Cement kiln raw material on-line collection system - Google Patents
Cement kiln raw material on-line collection system Download PDFInfo
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- CN218470590U CN218470590U CN202222596428.XU CN202222596428U CN218470590U CN 218470590 U CN218470590 U CN 218470590U CN 202222596428 U CN202222596428 U CN 202222596428U CN 218470590 U CN218470590 U CN 218470590U
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Abstract
The application discloses cement kiln raw material on-line acquisition system, including the conveyer belt, the feed bin is installed down to the one end of conveyer belt, the spiral delivery machine is installed to the bottom of feed bin down, the spiral delivery machine is connected on preheating the feed bin, one side of spiral delivery machine is equipped with the sample connection, sample connection department installs the collection and fights, sample connection department installs intermittent type sample switch, the unloading pipe is installed to the lower extreme of collecting the fill, the guard box is installed to the below of unloading pipe, the unloading pipe extends to in the guard box, and install the detection storehouse in the guard box, the unloading union coupling is on detecting the storehouse. The utility model discloses can detect the used material of batching on line, the per minute gives an analysis result, compares the calculation according to current three rate value and settlement target value, and the fluctuation of the stable material of proportion is once changed every two minutes to improve the qualification rate. The batching quality is improved by a wide margin, simultaneously, has reduced the deviation of artifical sample and the deviation that forms in sample, system appearance, the testing process all can avoid.
Description
Technical Field
The utility model relates to a cement manufacture technical field especially relates to a cement kiln raw material on-line collection system.
Background
Whether the cement raw material proportioning scheme is reasonable and the control is effective or not directly influences the economic benefits of various indexes such as the yield, the quality, the energy consumption and the service life of refractory materials of the clinker, and the raw material proportioning link is crucial in production.
The original collection mode is that, through calcium iron analysis appearance and the artifical sample of every hour, obtain the composition of cement raw meal, not only it is longer to obtain the cycle, artifical and inspection cost are also higher, along with the development of Prompt Gamma Neutron Activation Analysis (PGNAA) technique, the extensive application is detected to the cement composition, but its mounting means is mainly direct mount in conveyer belt one side, can produce the dust in the transportation, influence equipment life, and influence the maintenance of maintainer to the conveyer belt, also there is the mode of part through the sampling to detect, the testing process has got back to traditional inspection mode again, for this we have provided a cement kiln raw meal online acquisition system and have solved above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The application provides a cement kiln raw material on-line acquisition system has solved and has detected cement raw material and has wasted effort, the higher problem of cost of labor.
The application provides a cement kiln raw material on-line acquisition system, including the conveyer belt, the feed bin is installed down to the one end of conveyer belt, the spiral delivery machine is installed to the bottom of feed bin down, the spiral delivery machine is connected on preheating the feed bin, one side of spiral delivery machine is equipped with the thief hatch, thief hatch department installs the collection and fights, thief hatch department installs intermittent type sample switch, the unloading pipe is installed to the lower extreme of collecting the fill, the guard box is installed to the below of unloading pipe, the unloading pipe extends to in the guard box, just install the detection storehouse in the guard box, the unloading union coupling be in on the detection storehouse, neutron activation analysis appearance is installed to one side of detecting the storehouse, the lower extreme that detects the storehouse is equipped with collects the mechanism, it extends to collect the mechanism outside the guard box.
Preferably, intermittent type sampling switch includes the slidable mounting and is in the picture peg of sampling mouth department, the one end of picture peg runs through collect the fill and extend to collect the one side of fighting, the cylinder is installed to one side of screw feeder, the piston rod end-to-end connection of cylinder is in on the picture peg.
Preferably, the collecting mechanism comprises a gas conveying pipe arranged at the lower end of the detection bin, and an electromagnetic valve is arranged between the gas conveying pipe and the detection bin.
Preferably, the spiral conveyor is arranged obliquely downwards along the feeding direction.
Preferably, the discharge end of the discharging bin is connected to the middle position of the spiral conveyor.
Preferably, the top of feed bin is the toper setting down, just the top of feed bin is connected with the dust removal pipe down.
Preferably, a shaftless spiral auger is arranged in the spiral conveyor.
Preferably, the protection box is formed by enclosing lead plates.
According to the technical scheme provided by the utility model, the application provides a cement kiln raw material on-line collection system, the utility model discloses in the use, raw material in the feed bin is earlier delivered to down the feed bin through the conveyer belt, deliver to by the screw conveyor again and preheat in the feed bin, during this intermittent type sample switch is opened once every minute, start-up time 10-15 second time at every turn, the material passes through in the unloading pipe gets into the detection storehouse, intermittent type sample switch closes the back, neutron activation analysis appearance detects the cement raw material of sample, the result of raw and other materials mineral composition feedback according to real-time detection compares with the three rate value requirement of computer end input demand, carry out the demand ratio of real-time adjustment each belt weigher raw and other materials through current DCS, realize automatic batching, the use of having cancelled calcium iron analysis appearance and the artifical sample of per hour, the material after the detection is collected through collecting mechanism and is sent back to the feed bin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the arrangement of the spiral material conveyor, the materials can be stirred in the process of conveying the materials, the subsequent preheating is more uniform by crushing the caked materials, and the spiral material conveyor and the preheating bin are designed in a totally closed manner, so that no dust is generated in the feeding process, and the dust-free workshop reaches the standard;
2. through the cooperation of the intermittent sampling switch and the detection cabin, the interval time can be set through the existing dcs or plc program, the sampling time is adjusted according to the requirements, the detection period is various, and meanwhile, the labor cost is reduced;
3. through neutron activation analysis appearance and the setting of collecting the mechanism, detect to send the material back feed bin or conveyer belt detection efficiency height with collecting the mechanism after accomplishing.
To sum up, the utility model discloses can detect the used material of batching on line, the analysis result is given once to the per minute, compares the calculation according to current three rate value and settlement target value, and the fluctuation of the stable material of batching is once changed every two minutes to improve the qualification rate. The batching quality is improved by a wide margin, simultaneously, has reduced the deviation of artifical sample and the deviation that forms in sample, system appearance, the testing process all can avoid.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiment will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive laboriousness.
Fig. 1 is a schematic structural diagram of an on-line raw material collecting system for a cement kiln provided by the present invention;
FIG. 2 is a schematic structural view of a protective box of the cement kiln raw material on-line collecting system provided by the utility model;
fig. 3 is the utility model provides a cement kiln raw material on-line collection system's A structure enlargements.
In the figure: the device comprises a feeding bin 1, a conveying belt 2, a spiral material conveying machine 3, a preheating bin 4, a protection box 5, a gas conveying pipe 6, a feeding pipe 7, a detection bin 8, a neutron activation analyzer 9, an electromagnetic valve 10, an insertion plate 11, an air cylinder 12, a sampling port 13 and a collecting hopper 14.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-3, an on-line cement kiln raw material collecting system, the application is mainly used for real-time on-line detection of cement raw material components, before the application is not installed, the detection mode is to mainly use a calcium-iron analyzer to detect the components in the raw material, other components are detected through a two-hour manual sampling laboratory, the mode is time-consuming and labor-consuming, and has low precision control on the batching quality, the feeding is mainly kept by the stability of a belt scale and a control system, therefore, the original detection mode is improved, the system comprises a conveyor belt 2, the conveyor belt 2 is a bin conveying belt and is mainly used for feeding and batching of each bin piece, a blanking bin 1 is installed at one end of the conveyor belt 2, the cement raw material on the conveyor belt 2 is transferred to the next link through the blanking bin 1, dust brought by transferring materials can be effectively reduced through the blanking bin 1, when the system is specifically installed, the top of the blanking bin 1 is in a conical shape, the device is favorable for forming uniform negative pressure in the lower bin 1 when a dust removal system is utilized, when the device is installed, the top of the lower bin 1 is connected with a dust removal pipe, the dust removal pipe is connected with a dust removal pipeline in a factory, the generation of dust can be further reduced, in order to reduce the influence of heat generated by preheating on the conveying belt 2, the material conveying connection position is in a closed state, the bottom of the lower bin 1 is provided with a spiral conveyor 3, the conveying is carried out through the spiral conveyor 3 in the feeding stage, stable feeding can be realized, the feeding connection position can be in a closed arrangement, the materials can be stirred, the crushing purpose is achieved, the spiral conveyor 3 is connected to a preheating bin 4, the connection position between the preheating bin 4 and the spiral conveyor 3 is in a closed state, no dust overflows, and meanwhile, the sampling section of the device is installed on the spiral conveyor 3, the purpose of dust-free sampling is achieved, specifically, a sampling port 13 is arranged on one side of a spiral conveyor 3, the sampling port 13 is located at the bottom of one side of the spiral conveyor 3 and can be opened to discharge materials, a collecting hopper 14 is installed at the sampling port 13, the collecting hopper 14 is welded in three directions of the sampling port 13, an opening at one end is reserved for controlling the sampling port 13, the materials of the sampling port 13 are collected through the collecting hopper 14, an intermittent sampling switch is installed at the sampling port 13, the intermittent sampling switch in the application is opened and closed through intermittent control of an existing dcs control system, the intermittent sampling switch is opened once every minute in a specific period, 10-15 seconds are started every time, sampling is performed every one minute, a discharging pipe 7 is installed at the lower end of the collecting hopper 14, in order to prevent the blanking pipe 7 from being vertically installed downwards due to material blockage, a protection box 5 is installed below the blanking pipe 7, the utility model is mainly used for detecting, and protective box 5 encloses to close for the stereotype and forms, certain guard action has, the staff can overhaul equipment at any time, unloading pipe 7 extends to in the protective box 5, and install in the protective box 5 and detect storehouse 8, unloading pipe 7 is connected on detecting storehouse 8, the raw material falls to detecting storehouse 8 along unloading pipe 7 in, neutron activation analysis appearance 9 is installed to one side of detecting storehouse 8, detect the raw material composition in detecting storehouse 8 through neutron activation analysis appearance 9, and carry the result to well control in real time, contrast according to the result, be convenient for operating personnel adjusts the blowdown ratio in real time, improve the cement quality, the lower extreme that detects storehouse 8 is equipped with collection mechanism, after the measurement, collection mechanism extends to outside protective box 5, the material after the measurement is sent to the feed bin through collection mechanism and is accomplished the measurement.
The utility model discloses in, intermittent type sample switch includes picture peg 11 of slidable mounting in sampling opening 13 department, picture peg 11 and the laminating of 3 outer walls of spiral delivery machine of sampling opening 13 department, spout installation on both sides in fighting 14 through collecting, picture peg 11's one end runs through collect fight 14 and extend to collect one side of fighting 14, be convenient for from external control picture peg 11, and then control opening and shutting of sampling opening 13, cylinder 12 is installed to one side of spiral delivery machine 3, the piston rod end-to-end connection of cylinder 12 is on picture peg 11, through cylinder 12 control picture peg 11, cylinder 12 is controlled by current dcs control system, set up the sampling interval according to particular case.
The utility model discloses in, collecting mechanism is including installing at the gas conveying pipe 6 that detects 8 lower extremes in storehouse, and the raw after the detection passes through gas conveying to the outside, and the feed back storehouse is sent back in this application, and gas conveying pipe 6 and detect and install solenoid valve 10 between the storehouse 8, realize real-time on-line measuring through the cooperation between solenoid valve, intermittent type sampling switch and the neutron activation analysis appearance 9.
In some embodiments, for reducing the feeding resistance, the spiral conveyor 3 is arranged downwards along the feeding direction in an inclined manner, the power of a motor can be further reduced by applying work through gravity in the feeding process, in the using process, the spiral conveyor 3 is positioned at the feeding end, the phenomenon of blocking often occurs, but the motor end cannot be installed in the preheating bin 4, therefore, the discharging end of the bin 1 is connected to the middle position of the spiral conveyor 3, one end distance is generated between the motor end and the feeding position, buffering is performed, the service life of a motor of the spiral conveyor 3 can be effectively protected, a shaftless spiral auger is installed in the spiral conveyor 3, and the efficiency of conveying powdery materials is high.
According to the technical scheme above, the utility model discloses in the use, raw material in the feed bin is delivered to unloading storehouse 1 through conveyer belt 2 earlier, deliver to preheating bin 4 by screw conveyor 3 again, open once every minute of intermittent type sample switch during, 10-15 second time of start-up time every time, the material passes through in unloading pipe 7 gets into detection storehouse 8, intermittent type sample switch closes the back, neutron activation analysis appearance 9 detects the cement raw material of sample, the result of raw and other materials mineral composition feedback according to real-time detection compares with the third rate value requirement of computer end input demand, carry out the demand ratio of each belt weigher raw materials of real-time adjustment through current DCS, realize automatic batching, the use and the artifical sample of per hour of calcium iron analysis appearance have been cancelled, the material after the detection is collected through collecting the mechanism and is sent back the feed bin.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. The utility model provides a cement kiln raw material on-line collection system, includes conveyer belt (2), its characterized in that: feed bin (1) down is installed to the one end of conveyer belt (2), defeated material machine of spiral (3) is installed to the bottom of feed bin (1) down, defeated material machine of spiral (3) is connected on preheating feed bin (4), one side of defeated material machine of spiral (3) is equipped with sample connection (13), sample connection (13) department installs collection fill (14), sample connection (13) department installs intermittent type sample switch, collect the lower extreme of fighting (14) and install unloading pipe (7), protective housing (5) are installed to the below of unloading pipe (7), unloading pipe (7) extend to in protective housing (5), just install in protective housing (5) and detect storehouse (8), unloading pipe (7) are connected detect on storehouse (8), neutron activation analysis appearance (9) are installed to one side of detecting storehouse (8), the lower extreme that detects storehouse (8) is equipped with collection mechanism, collection mechanism extends to outside protective housing (5).
2. The cement kiln raw material on-line collection system as recited in claim 1, wherein the intermittent sampling switch comprises a plug board (11) slidably mounted at the sampling port (13), one end of the plug board (11) penetrates through the collection hopper (14) and extends to one side of the collection hopper (14), an air cylinder (12) is mounted at one side of the spiral conveyor (3), and the end of a piston rod of the air cylinder (12) is connected to the plug board (11).
3. The system for on-line collection of cement kiln raw material as claimed in claim 1, wherein the collection mechanism comprises a gas delivery pipe (6) installed at the lower end of the detection bin (8), and a solenoid valve (10) is installed between the gas delivery pipe (6) and the detection bin (8).
4. The system for on-line collection of cement kiln raw material as claimed in claim 1, wherein the screw conveyor (3) is disposed obliquely downward in the feeding direction.
5. The cement kiln raw material on-line collection system as claimed in claim 4, wherein the discharge end of the lower silo (1) is connected to the middle position of the screw conveyor (3).
6. The cement kiln raw material on-line collection system as recited in claim 1, characterized in that the top of the lower bin (1) is conical, and the top of the lower bin (1) is connected with a dust removal pipe.
7. The system for on-line collection of cement kiln raw material as claimed in claim 4, characterized in that the screw conveyor (3) is internally provided with a shaftless screw auger.
8. The system for on-line collection of cement kiln raw material as claimed in claim 1, characterized in that the protection box (5) is enclosed by lead plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222596428.XU CN218470590U (en) | 2022-09-29 | 2022-09-29 | Cement kiln raw material on-line collection system |
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| CN202222596428.XU CN218470590U (en) | 2022-09-29 | 2022-09-29 | Cement kiln raw material on-line collection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117599917A (en) * | 2024-01-23 | 2024-02-27 | 山东中科圣创微纳科技发展有限公司 | Ternary copper powder catalyst preparation system |
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2022
- 2022-09-29 CN CN202222596428.XU patent/CN218470590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117599917A (en) * | 2024-01-23 | 2024-02-27 | 山东中科圣创微纳科技发展有限公司 | Ternary copper powder catalyst preparation system |
| CN117599917B (en) * | 2024-01-23 | 2024-03-22 | 山东中科圣创微纳科技发展有限公司 | Ternary copper powder catalyst preparation system |
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