CN215002918U - Sintering batching is supplementary adds water mixing arrangement and sintering system - Google Patents
Sintering batching is supplementary adds water mixing arrangement and sintering system Download PDFInfo
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- CN215002918U CN215002918U CN202120944394.1U CN202120944394U CN215002918U CN 215002918 U CN215002918 U CN 215002918U CN 202120944394 U CN202120944394 U CN 202120944394U CN 215002918 U CN215002918 U CN 215002918U
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Abstract
The application provides a sintering ingredient auxiliary water adding and mixing device and a sintering system; the device comprises a conveying mechanism, a water adding mechanism and a trench digging mechanism, wherein the conveying mechanism comprises a conveying belt used for bearing and conveying materials, the water adding mechanism comprises a water supply pipeline and spray heads, the output end of the water supply pipeline is respectively communicated with a plurality of spray heads through regulating valves, all the spray heads are positioned above the conveying belt, the spray heads and the plurality of trench digging mechanisms are sequentially arranged at intervals, one end of the trench digging mechanism is connected to a rack, the other end of the trench digging mechanism faces the conveying belt, and the trench digging mechanism can probe into the conveyed materials to ditch the materials; the opening of the control regulating valve correspondingly adjusts the water adding amount of the material, the material is turned by combining the ditching mechanism, the moisture sprayed on the surface of the material is turned to the deep inside of the material, the original deep material turned to the surface is sprayed with water again, and the purpose of fully wetting the inside of the mixture on the conveyor belt can be achieved after the process of turning and spraying is repeated for many times.
Description
Technical Field
The application relates to the field of sintering raw material processing equipment, in particular to a sintering batching auxiliary water adding and mixing device and a sintering system.
Background
In the sintering production process, the moisture of the sintering mixture influences the quality of sintering production; the water adding amount of the sintering mixture plays a crucial role in slaking and granulating the quicklime, and the moisture determines the air permeability of the mixture in the sintering process, so that the vertical combustion speed is influenced; the instability of the water content in the mixture directly affects the strength, the yield and the like of the sinter.
The inventor finds that at present, the mixture is mostly supplied and conveyed by a conveying belt, if water is added into the mixer, the optimal slaking time of the quicklime can be missed, the quicklime can not be slaked fully, and the air permeability of the rear-end sintering mixture is influenced; generally, water is added in advance through the spray head when materials are conveyed by the conveying belt, a material layer of mixed material ingredients is thicker and thicker along with the operation of the belt, and the wetting and uniform mixing of the inside of the whole mixed material can not be realized only by adding water on the surface of the mixed material.
SUMMERY OF THE UTILITY MODEL
The application aims at overcoming the defects in the prior art and provides a sintering ingredient auxiliary water adding and mixing device and a sintering system; when carrying out the watering to the material through the shower nozzle, combine a plurality of ditching mechanisms to carry out the ditching to the material and turn, improve watered intensive mixing degree, improve the effect of adding water.
The first purpose of this application is to provide a sintering batching is supplementary adds water mixing arrangement, adopts following technical scheme:
including conveying mechanism, mechanism and the ditching mechanism of adding water, conveying mechanism is including being used for bearing the weight of and the conveyer belt of transported substance material, and the mechanism of adding water includes supply line and shower nozzle, and the supply line output communicates a plurality of shower nozzles respectively through the governing valve, and all shower nozzles all are located the top of conveyer belt, and the shower nozzle sets up with a plurality of ditching mechanisms interval in proper order, and ditching mechanism one end is connected in the frame, and the other end is towards the conveyer belt, can visit into and carve the ditch to the material in the material of carrying.
The device further comprises a moisture detector for detecting the moisture content of the conveyed material and sending the moisture content to the controller, wherein the controller is used for controlling the opening of the regulating valve and the emergency start and stop of the conveying belt; in the direction of conveying materials by the conveying belt, the moisture detector is positioned at the tail end of the conveying belt, and the position of the spray head facing the conveying belt is positioned at the upstream of the arrangement position of the moisture detector.
Further, the water adding mechanism further comprises a water tank, and a water supply pipeline is communicated with the water tank through a water pump.
Further, a flowmeter is arranged on the water supply pipeline.
Furthermore, the regulating valve is communicated with at least two spray heads, and the output ends of the spray heads face the conveying belt and are used for spraying water in the water supply pipeline on the materials conveyed by the conveying belt.
Furthermore, all the spray heads are arranged at intervals in sequence along the moving direction parallel to the conveying belt, and the spray heads are rotary spray heads.
Further, the ditching mechanism comprises a ditching rake and a connecting rod, the ditching rake is mounted on the rack through the connecting rod, the connecting rod can adjust the relative position of the ditching rake and the conveying belt in a telescopic mode and is used for adjusting the depth of the ditching rake for ditching the materials, and the working end of the ditching rake is of a blade structure with a triangular cross section and can be used for forming a groove for the materials.
Furthermore, a plurality of ditching mechanisms and a plurality of spray heads are alternately arranged at intervals in sequence, and the working ends of the ditching mechanisms are arranged in a staggered mode and used for arranging grooves in different positions of the materials.
Furthermore, the contact surface of the conveying belt for bearing materials is of a groove structure with a low middle part and high two sides.
It is a second object of the present application to provide a sintering system that utilizes a sintering batch assisted water mixing apparatus as described above.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the opening of the control regulating valve correspondingly adjusts the water adding amount of the material, the material is turned by combining the ditching mechanism, the moisture sprayed on the surface of the material is turned to the deep inside of the material, the original deep material turned to the surface is sprayed with water again, and the purpose of fully wetting the inside of the mixture on the conveyor belt can be achieved after the process of turning and spraying is repeated for many times.
(2) Arrange a plurality of shower nozzles in proper order along conveyer belt direction of delivery, realize the multiple spot and add water, avoid the single-point to concentrate the uneven problem of water distribution that adds water and lead to, spray water in a plurality of positions in advance, the water accuracy of adding when improving quick lime digestion, abundant mixing moisture before the mixture gets into the mixer, the unstable problem of adding water that the water digestion leads to in the mixer is solved to reduce the fluctuation of production.
(3) When the moisture content of the material exceeds the set threshold value, the controller can control the conveying belt to stop running emergently, the linkage of water quantity monitoring and the movement of the conveying belt is realized, the accident caused by the fact that the moisture in the material exceeds the maximum threshold value due to excessive water addition is avoided, and the phenomenon of 'red ore running' in the rear-end process is prevented.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of an auxiliary water adding and mixing device in embodiments 1 and 2 of the present application.
Fig. 2 is a schematic structural diagram of a ditch-drawing mechanism of an auxiliary water-adding mixing device in embodiments 1 and 2 of the present application.
In the figure, 1 conveying belt, 2 shield, 3 transmission roller, 4 conveying belt support, 5 collecting box, 6 flow meter, 7 controller, 8 regulating valve, 9 water pump, 10 spray head, 11 moisture detector, 12 ditch mechanism, 13 working end and 14 connecting rod.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
As described in the background art, in the prior art, because the continuous operation of the conveyor belt leads to unstable moisture content in the mixture, and surface water addition is difficult to be applied to the inside of the whole mixture for wetting.
Example 1
In a typical embodiment of the present application, a sinter batch assisted water addition mixing device is presented as shown in FIG. 1.
The device mainly comprises a conveying mechanism, a water adding mechanism, a ditch drawing mechanism 12, a moisture detector 11 and a controller 7, wherein the conveying mechanism is used for conveying sintering raw materials, and the output end of the water adding mechanism is positioned above the conveying mechanism and can output water to be sprayed on the materials of the conveying mechanism; the ditching mechanism 12 is also positioned above the conveying mechanism and is used for ditching conveyed materials, and when the ditch is formed to facilitate water to be sprayed on the deep layer of the materials, the surface materials sprayed with water can be turned to the deep layer to wet the deep-layer materials;
moisture detector 11 is located the conveying mechanism top, surveys and gets the water content of transported substance material to send controller 7, the material water content that controller 7 acquireed according to moisture detector 11 can control conveying mechanism and stop moving when the material water content is too high, avoids adding the excessive water yield and arouses that the inside water yield of mixing machine surpasss "running red ore deposit" problem that leads to.
On the other hand, if the monitoring accuracy of the moisture detector 11 is further improved, the moisture detector 11 with a plurality of measuring probes may be arranged, and the moisture detector 11 may be arranged at different positions of the material at the end of the conveying mechanism 1, so as to measure multi-point data and obtain a more comprehensive material moisture detection result.
The conveying mechanism comprises a conveying belt 1 used for bearing and conveying materials, the whole conveying belt 1 is in rotary motion, the conveying belt 1 is integrally installed on a conveying belt support 4, the top of the conveying belt can bear and convey the materials, the materials are driven to move relative to the water adding mechanism, and the materials are conveyed into a roller of an external mixer.
As shown in fig. 1, the conveying mechanism is driven by a torque output mechanism, the output end of the torque output mechanism is connected with a transmission roller 3 of the conveying belt 1, and the transmission roller 3 drives the conveying belt 1 to make a rotary motion so as to convey materials.
The controller 7 is connected with the torque output mechanism, controls the start and stop of the conveyer belt 1 by controlling the start and stop of the torque output mechanism, and realizes that the conveyer belt 1 is driven to rotate to convey materials or the conveyer belt 1 is stopped to be driven to emergently stop according to requirements.
The one end that conveyer belt 1 is located the traffic direction upper reaches is equipped with guard shield 2, and guard shield 2 below is equipped with collecting box 5, guard shield 2 can avoid the material loading in-process material to drop direct collision torque output mechanism, and collecting box 5 can collect the material that scatters from one end, reduces the deposit of material on ground.
It can be understood that, for the torque output mechanism, a structure that the motor is matched with the output of the speed reducer can be adopted, the output shaft of the motor is connected with the input shaft of the speed reducer, the output shaft of the speed reducer is butted with the transmission roller 3, and the motor drives the conveyer belt 1 to move sequentially through the speed reducer and the transmission roller 3.
In other embodiments, a mode that elements such as a stepping motor and the like directly drive the transmission roller 3 can be adopted, and the transmission roller 3 can drive the conveying belt 1 to move;
the conveying belt 1 can be a cotton canvas belt.
Further, in order to reduce the scattering of materials in the conveying process, the contact surface of the conveying belt 1 for bearing the materials is of a groove structure with a low middle section and high two sides;
in the process of conveying materials, the materials move towards the middle of the conveying belt 1 along with the action of the conveying belt 1, so that when vibration occurs in the conveying process, the materials can also have the tendency of collecting towards the middle of the conveying belt 1, and the materials are prevented from falling from the two sides of the conveying belt 1.
For the arrangement of the watering mechanism and the ditch-drawing mechanism 12, the watering mechanism comprises a plurality of spray heads 10 which are arranged in sequence, and the ditch-drawing mechanisms 12 and the spray heads 10 are arranged alternately at intervals in sequence.
Specifically, the mechanism of adding water includes supply line, shower nozzle 10, water pump 9 and water tank, and the inside industrial water that stores of water tank, supply line one end are passed through water pump 9 and are linked together the water tank, acquire the water from the water tank in, and the other end passes through governing valve 88 intercommunication shower nozzle 10, through the water yield of governing valve 8 control shower nozzle 10.
Specifically, referring to fig. 1, the nozzle 10 is located above the conveyor belt 1, and can spray water from above the materials conveyed by the conveyor belt 1 to adjust the water content of the materials.
One end of the ditching mechanism 12 is connected to the rack, and the other end of the ditching mechanism faces the conveying belt 1 and can extend into the conveyed materials to ditch the materials.
For the ditching mechanism 12, as shown in fig. 2, the overall structure is viewed as a plow, and includes a ditching rake and a connecting rod 14, the ditching rake is mounted on the frame through the connecting rod 14, the connecting rod 14 can adjust the relative position of the ditching rake and the conveying belt 1 through extension and retraction, and is used for adjusting the depth of the ditching rake for ditching the material, and the working end 13 of the ditching rake is a blade structure with a triangular cross section, and can form a groove for the material.
As shown in fig. 2, the tip of the triangular structure of the cross section of the rake faces the upstream of the conveyor belt 1, i.e. the lower end in fig. 2, the tip is rounded to push the material to both sides, and a groove is formed at the downstream of the rake.
As shown in fig. 1, a first spray head 10 located at the upstream sprays water to the material, and then the material is turned over by a first ditching rake, and then a second spray head 10 sprays water to the material, and then the material is turned over by a second ditching rake; and by analogy, spraying water and turning over the materials for multiple times.
The opening of the control regulating valve 8 is used for correspondingly regulating the water adding amount of the material, the material is turned by combining the ditching mechanism 12, the moisture sprayed on the surface of the material is turned to the deep inside of the material, the original deep material turned to the surface is sprayed with water again, and the purpose of fully wetting the inside of the mixture on the conveying belt 1 can be achieved after the process of turning and spraying is repeated for many times. Further, a plurality of ditching mechanisms 12 and a plurality of spray heads 10 are alternately arranged at intervals in sequence, and working ends 13 of the ditching mechanisms 12 are arranged in a staggered mode and used for forming grooves in different positions of materials.
Carry out dislocation set with ditching mechanism 12 for the material after spraying moisture can be turned to the deep layer, and the deep layer material can be turned to the top layer, avoids repeatedly turning the not good problem of material moisture mixing effect that leads to same position.
In order to measure the water content of the material after water spraying in time, in the direction of conveying the material along the conveying belt 1, the position of the spray head 10 facing the conveying belt 1 is located at the upstream of the probe arrangement position of the moisture detector 11, the spray head 10 sprays water at the upstream of the probe to adjust the water content of the material, then the water content of the material is measured and measured by the moisture detector 11, and the water content of the material after water spraying can be grasped.
Further, the regulating valve 8 is communicated with at least two spray heads 10, the output ends of the spray heads 10 face the conveyor belt, and water bodies output by the spray heads can be accurately sprayed on the materials conveyed by the conveyor belt 1.
Arrange a plurality of shower nozzles 10 along 1 direction of motion of conveyer belt in proper order interval, increase the position of adding water for moisture can be followed the multiple spot and added in the material, and cooperation rotatory shower nozzle 10 enlarges the scope of adding water, improves the even degree of distribution of moisture in the material after adding water.
Arrange a plurality of shower nozzles 10 in proper order along 1 direction of transport of conveyer belt, realize the multiple spot and add water, avoid the single-point to concentrate the uneven problem of distribution of water that adds water and lead to, spray water in a plurality of positions in advance, the water accuracy of adding when improving quick lime digestion, abundant mixing moisture before the mixture gets into the mixer, the unstable problem of adding water that the water digestion leads to is added in the mixer to reduce the fluctuation of production.
The moisture detector 11 is used for detecting the water content of the conveyed material and sending the water content to the controller 7, and the controller 7 is used for controlling the opening of the regulating valve 8 and the emergency start and stop of the conveying belt 1; in the direction of conveying materials by the conveying belt 1, the moisture detector 11 is positioned at the tail end of the conveying belt 1, and the position of the spray head 10 facing the conveying belt 1 is positioned upstream of the arrangement position of the moisture detector 11; the water content that the control will be surveyed and the water content scope standard of predetermineeing is compared to open to 1 opening of conveyer belt and stop and control, of course, when the material on conveyer belt 1 promptly stops because of adding water too much, controller 7 can also be closed governing valve 8.
It can be understood that, the moisture detector 11 in this embodiment adopts the probing moisture detector 11, and the probe thereof can be probed into the material conveyed by the conveyor belt 1 to measure the moisture content in the material, so as to avoid the error caused by measuring the moisture only on the surface of the material.
In addition, because the moisture detector 11 is arranged at the tail end of the material conveying belt 1, after water is added and the materials are turned over, moisture and the materials are sufficiently wetted, so that the internal moisture is uniform, the moisture content of the whole body can be better reflected by measuring the moisture at the tail end, and the measuring precision is improved. Specifically, the moisture detector 11 detects the moisture content of the material on the conveyor belt 1, and sends an obtained moisture content data signal to the controller 7, wherein an upper limit threshold and a lower limit threshold of the moisture content of the material are preset in the controller 7;
when the water content of acquireing the material is less than the lower limit threshold value, pneumatic water pump 9 opens governing valve 8, add water operation to the material, and adjust 8 apertures of governing valve through artifical input control command, adjust the material water content to the threshold value within range, be provided with flowmeter 6 on the water supply pipeline, flowmeter 6 surveys the discharge of water supply pipeline, and feed back to controller 7, control the output flow of shower nozzle 10, spill even on the material by shower nozzle 10, make the inside moisture of material even.
When detecting that material water content exceedes material water content upper limit threshold value, show that the volume of adding water excessively surpasss material moisture regulation content, the work of emergency stop water pump 9, close governing valve 8, and the operation of emergency stop conveyer belt 1, make the material stop temporarily on conveyer belt 1, carry out emergency treatment by the technical staff, avoid the material that the moisture content exceedes the threshold value to add into subsequent mixing machine, when material moisture content exceedes and sets for the condition that the threshold value leads to appearing adding water unusually, controller 7 can control conveyer belt 1 shut down, realize the linkage of water yield monitoring and conveyer belt 1 motion, reduce the emergence of production accident.
It can be understood that, in this embodiment, the moisture detector 11 may adopt a VM-220F rapid moisture meter manufactured by jensen manufacturers, and adopt a split structure, the measuring probe is connected to the host computer through a wire, and the host computer is connected to the controller 7 through a wire, and sends the measured moisture content data to the controller 7.
The controller 7 can be a PLC controller 7 or a controller 7 such as a single chip microcomputer, and the upper limit threshold and the lower limit threshold of the water content preset in the controller 7 are compared with the measured water content according to the value, so that the action of the water adding mechanism and the conveyor belt 1 is controlled.
The adjusting valve 8 can be an electric adjusting valve 8, a driving part of the electric adjusting valve 8 is connected to the controller 7, and a control signal of the controller 7 is obtained to adjust the opening of the valve 8.
The upper limit threshold and the lower limit threshold can be selected according to the water content requirements of different raw materials during sintering, and the requirement of the water content in the mixture can be met.
The water content of the material on the conveying belt 1 is measured, the opening of the regulating valve 8 is controlled to correspondingly regulate the water adding amount of the material, and the aim of fully wetting the interior of the mixture on the conveying belt 1 is fulfilled by combining the emergency start-stop control of the conveying belt 1.
Example 2
In another embodiment of the present application, as shown in fig. 1, a sintering system is provided that utilizes a sintering batch assisted water addition mixing device as described in embodiment 1.
The tail end of the sintering ingredient auxiliary water adding and mixing device is butted with a sintering raw material mixer and is used for conveying the material added with water into the mixer;
a feeding machine is arranged above the head end of the sintering and burdening auxiliary water adding mixing device, materials are conveyed to the conveying belt through the feeding machine, and the materials move along with the conveying belt.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a sintering is with conveyor that adds water, a serial communication port, including conveying mechanism, add water mechanism and ditching mechanism, conveying mechanism is including the conveyer belt that is used for bearing and carrying the material, it includes supply channel and shower nozzle to add water mechanism, the supply channel output communicates a plurality of shower nozzles respectively through the governing valve, all shower nozzles all are located the top of conveyer belt, the shower nozzle sets up with a plurality of ditching mechanisms interval in proper order, ditching mechanism one end is connected in the frame, the other end is towards the conveyer belt, can visit in the material of carrying and groove the material.
2. The water feeding conveying device for sintering as claimed in claim 1, further comprising a moisture detector for detecting the moisture content of the conveyed material and sending the detected moisture content to the controller, wherein the controller is used for controlling the opening of the regulating valve and the emergency start and stop of the conveying belt; in the direction of conveying materials by the conveying belt, the moisture detector is positioned at the tail end of the conveying belt, and the position of the spray head facing the conveying belt is positioned at the upstream of the arrangement position of the moisture detector.
3. The water feeding and conveying device for sintering as claimed in claim 1, wherein the water feeding mechanism further comprises a water tank, and the water feeding pipeline is communicated with the water tank through a water pump.
4. The water feeding and conveying apparatus for sintering as claimed in claim 3, wherein a flow meter is provided on said water supply line.
5. The water feeding and conveying device for sintering as claimed in claim 1, wherein the regulating valve is connected with at least two spray heads, and the output ends of the spray heads face the conveying belt and are used for spraying the water in the water supply pipeline on the materials conveyed by the conveying belt.
6. The water feeding and conveying apparatus for sintering as claimed in claim 5, wherein all the nozzles are arranged at intervals in sequence in parallel with the moving direction of the conveyor belt, and the nozzles are rotary nozzles.
7. The water feeding and conveying device for sintering as claimed in claim 1, wherein the ditching mechanism comprises a ditching rake and a connecting rod, the ditching rake is mounted on the frame through the connecting rod, the connecting rod can adjust the relative position of the ditching rake and the conveying belt through stretching and retracting to adjust the depth of the ditching rake for ditching the material, and the working end of the ditching rake is of a blade structure with a triangular section and can ditch the material.
8. The water feeding and conveying device for sintering as claimed in claim 7, wherein a plurality of trench-making mechanisms and a plurality of nozzles are alternately arranged in sequence at intervals, and the working ends of the trench-making mechanisms are arranged in a staggered manner and used for making trenches at different positions of the material.
9. The water feeding and conveying device for sintering as claimed in claim 1, wherein the contact surface of the conveyer belt for carrying the material is a groove structure with a low middle part and high two sides.
10. A sintering system comprising the water feeding apparatus for sintering according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944394.1U CN215002918U (en) | 2021-04-30 | 2021-04-30 | Sintering batching is supplementary adds water mixing arrangement and sintering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944394.1U CN215002918U (en) | 2021-04-30 | 2021-04-30 | Sintering batching is supplementary adds water mixing arrangement and sintering system |
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| Publication Number | Publication Date |
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| CN215002918U true CN215002918U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120944394.1U Active CN215002918U (en) | 2021-04-30 | 2021-04-30 | Sintering batching is supplementary adds water mixing arrangement and sintering system |
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| CN (1) | CN215002918U (en) |
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2021
- 2021-04-30 CN CN202120944394.1U patent/CN215002918U/en active Active
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