CN211224787U - Multi-channel rotary ash discharger - Google Patents
Multi-channel rotary ash discharger Download PDFInfo
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- CN211224787U CN211224787U CN201921921719.3U CN201921921719U CN211224787U CN 211224787 U CN211224787 U CN 211224787U CN 201921921719 U CN201921921719 U CN 201921921719U CN 211224787 U CN211224787 U CN 211224787U
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Abstract
The utility model discloses a multi-channel rotary ash discharger, which comprises a discharge bin, a rotary body, a transitional material separating bin, a material separating device, a discharging channel, a material guiding device, a material flow adjusting device and a material guiding throttling device; the bottom of the discharging bin is provided with a central feed opening; a plurality of distributing devices are arranged on the upper part of the inner wall of the discharging bin along the circumferential direction, and a plurality of transition distributing bins are arranged on the upper part of the outer side of the discharging bin; the upper part of the inner side of the discharge bin is provided with a material guiding throttling device; the lower part of every transition branch feed bin all is provided with the unloading passageway that divides the feed bin intercommunication with the transition, just material guider is installed to the bottom of unloading passageway, material flow adjusting device is connected with material guider. The utility model discloses a rotatory ash hoist of multichannel can avoid the unloading of ash hoist inhomogeneous effectively, can realize accurate peripheral unloading of multiple spot and central unloading synchronous revolution ash hoist, has the significance to improve lime output and quality, reduction in production cost.
Description
Technical Field
The utility model relates to a lime production technical field, concretely relates to rotatory ash hoist of multichannel.
Background
The ash discharging equipment of the lime kiln is key equipment for ensuring uniform discharging of the cross section of the shaft furnace, adjusting the shape of a roasting zone, stabilizing the trend of airflow in the kiln, crushing bonded materials, determining production capacity and influencing product quality. For a long time, the traditional lime discharging system of the domestic lime shaft furnace has certain limitation in production, and the traditional and commonly used discharging equipment comprises: a planet ash discharger, a support plate discharge machine, an inserting plate ash discharger, a tooth roller ash discharger, a fluted disc ash discharger, a vibration ash discharger and the like. The ash discharging device is applied to various simple kiln types in 60-70 years, particularly peripheral inserting plate type (or trailing plate type) ash discharging machines are applied to many, although peripheral multipoint discharging is realized by the ash discharging device, the stroke of the inserting plate is fixed and the discharging amount cannot be controlled because each discharging point adopts a single inserting plate or trailing plate for discharging, so that the discharging amounts of a plurality of ash outlets cannot be synchronously discharged, the problem that the material level in a furnace cannot be controlled and the material deviation is easily generated is caused, and meanwhile, the ash discharging device has the defects that the control points of the device are complicated and are easily damaged.
With the continuous improvement of the requirements of the production process, the various ash extractors are gradually eliminated in the beginning of the 90 s, and the application is few at present. The new type ash-discharging equipment has gradually replaced the old type ash-discharging machine, such as: disc type ash extractors, screw cone ash extractors and the like become mainstream devices. However, the following problems are continuously discovered during the use of these two devices:
the phenomenon of deviation of a tower-shaped spiral cone occurs for a long time in the using process of the spiral cone ash discharging machine, so that an ash tray arranged on the tower-shaped spiral cone collides with a furnace wall, the normal operation of equipment cannot be realized, and ash cannot be discharged normally. Meanwhile, the spiral ash discharging machine forcibly discharges ash by using a large-pitch single-phase rotating extrusion principle, only one ash discharging port is arranged because the spiral ash discharging machine can only rotate towards one direction, and the material surface is very easy to incline due to the smaller ash discharging port, so that slow or no blanking can be realized if the ash discharging port is blocked by nubs in operation, and the long-time shutdown inspection can not be finally realized due to the fact that the material discharging port is blocked by nubs. In addition, the structural defects formed by the installation of the equipment and the kiln body are not negligible, the whole equipment of the spiral ash discharging machine is required to be installed in a sealed structure of a civil engineering foundation at the bottom of the kiln, the installation of the equipment is required to wait for the whole spiral ash discharging machine to be placed in the civil engineering seal body and then the installation and the manufacture of a kiln body steel structure can be carried out, if the spiral ash discharging machine has an equipment accident, the construction can be carried out only in a narrow environment in the kiln foundation, the maintenance environment is extremely severe, the whole equipment cannot be transported out of the kiln for maintenance due to the structural characteristics of the equipment, even the equipment cannot be transported out of the kiln after being disassembled, and the 'one-time installation and the lifelong service' are the fatal defects of the spiral ash discharging machine.
The disc ash hoist is a new generation of equipment which is newly designed and researched according to different kiln type structures and different raw material fuel structures in China and is formed by optimizing design after partial defects of the spiral cone ash hoist are improved. However, the disc ash hoist only has a feed opening arranged at the center of the kiln bottom, and the disc ash hoist has the defects that the central feeding is fast, the peripheral feeding is slow, the discharging amount cannot be accurately controlled, the phenomenon of a material surface central funnel in the kiln is easily formed, and the raw and over-burning of lime products cannot be accurately controlled.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a rotatory ash hoist of multichannel to solve the problem of ash hoist unloading inhomogeneous among the prior art, the unable accurate control of row's material volume.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a multi-channel rotary ash discharger, which comprises a discharge bin, a rotary body, a transitional distributing bin, a distributing device, a discharging channel, a material guiding device, a material flow adjusting device and a material guiding throttling device;
the bottom of the discharging bin is provided with a central feed opening, the rotating body is arranged below the central feed opening, and materials discharged from the central feed opening fall on the rotating body and are discharged through the rotating body;
a plurality of distributing devices are arranged on the upper part of the inner wall of the discharge bin along the circumferential direction, a plurality of transition distributing bins are arranged on the upper part of the outer side of the discharge bin, the distributing devices and the transition distributing bins are arranged in one-to-one correspondence, and the distributing devices are used for communicating the discharge bin with the transition distributing bins;
the upper part of the inner side of the discharge bin is provided with a material guiding throttling device, and materials in the discharge bin enter the transition distribution bin through the dredging of the material guiding throttling device and the distribution device;
the lower part of every transition branch feed bin all is provided with the unloading passageway that divides the feed bin intercommunication with the transition, just material guider is installed to the bottom of unloading passageway, material flow adjusting device is connected with material guider, material flow adjusting device is used for adjusting material guider's material flow, material guider guides the material in the unloading passageway to the rotator, and the rotator is rotatory discharges the material.
Preferably, the multi-channel rotary ash hoist further comprises a central lump removing device, the central feed opening is provided with the central lump removing device, and the rotary body rotates to extrude and crush the lump materials between the rotary body and the central lump removing device.
Preferably, the multi-channel rotary ash hoist further comprises a peripheral accretion discharging device; the peripheral row of tumour device install in the lower part of row material bin lateral wall, peripheral row of tumour device is located peripheral row of tumour device's top, peripheral row of tumour device is used for row tumour.
Preferably, the peripheral aneurysm discharge device is a quick-opening valve.
Preferably, the number of the material separating devices is even.
Preferably, a plurality of the material distributing devices are uniformly arranged along the circumferential direction of the discharging bin.
The utility model has the advantages of as follows:
the rotatory ash hoist of multichannel that this embodiment provided, reasonable in design, simple structure is practical, and stability is high, safe and reliable, long service life, the operation of being convenient for. The multi-channel rotary ash discharger realizes uniform discharge of the cross section of the lime kiln, can adjust the shape of a roasting zone, stabilize the trend of airflow in the kiln and crush bonded materials.
In the application, a plurality of distributing devices are arranged in a discharging bin of the multi-channel rotary ash discharger according to the process requirements for directional distribution, and the distributing devices have the functions of preventing large lump materials from entering and preventing airflow from falling and leaking; the blanking amount in the blanking channel is realized through the material flow adjusting device, and the flow adjustment and the closing can be realized. The material discharged by the material flow adjusting device is uniformly conveyed to the rotating body, and the material is discharged into the next link through the rotation of the rotating body. The rotating body and the material flow adjusting device are provided with material guiding devices for guiding materials according to the rotating flow direction of the materials. The material guiding device and the material flow adjusting device are key devices for realizing uniform blanking and realizing synchronous rotation ash discharge of accurate multipoint peripheral blanking and central blanking.
In addition, this multichannel rotation ash hoist adopts the balanced unloading of peripheral multichannel and the compound rotatory mode of unloading of center, and it is adjustable to form the charge level material flow in 360 degrees scopes, and it has ash hoist flexible, and the ash hoist is accurate, and ash hoist is efficient, the finished product ash is not broken, the smooth advantage of stove material level decline, makes the ejection of compact more even, and the discharge capacity can obtain accurate control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of a multi-channel rotary ash hoist according to an embodiment of the present invention;
in the figure: 1. a transition material distributing bin; 2. a material discharging bin; 3. a material distributing device; 4. a blanking channel; 5. a stream conditioning device; 6. a rotating body; 7. a material guide device; 8. a central feed opening; 9. a material guiding throttling device; 10. a central tumor removal device; 11. a peripheral aneurysm removal device.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a multi-channel rotary ash hoist, which includes a material discharge bin 2, a rotating body 6, a transitional material distribution bin 1, a material distribution device 3, a material discharge channel 4, a material guide device 7, a material flow adjusting device 5, and a material guide throttling device 9.
In the embodiment, the bottom of the discharging bin 2 is provided with a central feed opening 8, the rotating body 6 is arranged below the central feed opening 8, and the material discharged from the central feed opening 8 falls on the rotating body 6 and is discharged through the rotating body 6; arrange the inner wall upper portion of silo 2 and be provided with a plurality of feed divider 3 along the circumferencial direction, and arrange the outside upper portion of silo 2 and be provided with a plurality of transition branch feed bins 1, feed divider 3 and the setting of transition branch feed bin 1 one-to-one, and feed divider 3 will arrange silo 2 and the intercommunication of transition branch feed bin 1.
Preferably, the number of feed-throughs 3 is even, which enables a good distribution of the discharge silos 2 by the feed-throughs 3.
It is further preferred that a plurality of distributing devices 3 are arranged uniformly in the circumferential direction of the material bin 2, which makes the distribution of the material in the material bin 2 by the distributing devices 3 more uniform.
It should be noted that the number of the material dividing devices 3 is generally set to be even, and it may be set to be 4, 6, 8 or 10. A plurality of feed divider 3 divide equally according to the circular cross section subregion of arranging material storehouse 2, and feed divider 3 can guide the material in the feed divider 3 to transition feed divider 1 in, and feed divider 3 has the function of blockking that the bold nodulation material got into simultaneously and blocks that the air current descends and leaks.
Specifically, the upper part of the inner side of the discharging bin 2 is provided with a material guiding throttling device 9, and the material in the discharging bin 2 enters the transition distributing bin 1 through the material guiding throttling device 9 and the dredging of the distributing device 3. The distribution of materials in the blanking channel 4 and the opening and closing of the channel are completed by the material flow adjusting device 5, and the material flow adjusting device 5 is also used for adjusting the descending speed of the material surface in the furnace and the flatness of the material surface; the material guided by the material guide device 7 is discharged by the rotation of the rotating body 6, so that the discharging of the multi-channel rotary ash discharger is more uniform.
Further specifically, the lower part of each transition material distributing bin is provided with a discharging channel 4 communicated with the transition material distributing bins, a material guiding device 7 is installed at the bottom of the discharging channel 4, a material flow adjusting device 5 is connected with the material guiding device 7, the material flow adjusting device 5 is used for adjusting the material flow of the material guiding device 7, the material guiding device 7 guides the material in the discharging channel 4 to a rotating body 6, and the rotating body 6 rotates to discharge the material.
Preferably, the multi-channel rotary ash hoist further comprises a central lump removing device 10, the central lump removing device 10 is arranged at the central feed opening 8, and the rotary body 6 rotates to crush the lump materials between the rotary body 6 and the central lump removing device 10. When materials in the discharging bin 2 meet the nodulation and caking materials, the materials are crushed and extruded by the central nodulation removing device 10 and then discharged.
Further preferably, the multi-channel rotary ash hoist further comprises a peripheral accretion discharging device 11; the peripheral aneurysm discharging device 11 is installed at the lower part of the outer side wall of the discharging bin 2, the peripheral aneurysm discharging device 11 is located above the peripheral aneurysm discharging device 11, and the peripheral aneurysm discharging device 11 is used for aneurysm discharging. The peripheral aneurysm removal device 11 is preferably a quick-opening valve. When nodulation caking materials which cannot be completed by the central nodulation removing device 10 are encountered, the nodulation is completed by the peripheral nodulation removing device. The peripheral accretion discharge device 11 has at the same time the function of a temporary discharge or an accident discharge chute.
It should be noted that the multi-channel rotary ash discharger has the functions of removing accretions and discharging accretions at the central feed opening 8 of the furnace bottom and the discharge bin 2, when large-block adhesive substances exist in the ash discharge process, the crushed substances can be automatically extruded, and the blocky lime is not damaged in the extrusion crushing process. The finished lime material can be discharged out of the furnace smoothly, and large materials which cannot be crushed by extrusion can be discharged quickly through the central lump removing device 10 and the peripheral lump discharging device 11.
The working principle of the multi-channel rotary ash hoist provided by the embodiment is as follows:
firstly, materials in a discharge bin 2 are dredged through a material guiding throttling device 9 and a material distributing device 3 and enter a transition material distributing bin 1; secondly, the materials in the transition distribution bin 1 are introduced to the rotating body 6 through the blanking channel 4 and the material guiding device 7. The distribution of materials in the blanking channel 4 and the opening and closing of the channel are completed by the material flow adjusting device 5, and the material flow adjusting device 5 is also used for adjusting the descending speed of the material surface in the furnace and the flatness of the material surface; the material guided by the material guide device 7 is discharged by the rotation of the rotating body 6.
It should be noted that the material of the central feed opening 8 is merged with the material of the material guiding device 7 and discharged by the rotation of the rotating body 6. The material quantity discharged by the rotating body 6 is jointly completed by adjusting the flow of the material flow adjusting device 5 and the material quantity of the central feed opening 8, and the material discharging speed is completed by adjusting the rotating speed of the rotating body 6. When materials in the discharging bin 2 meet the nodulation and caking materials, the materials are crushed and extruded by the central nodulation removing device 10 and then discharged, and when the materials meet the nodulation and caking materials which cannot be finished by the central nodulation removing device 10, the nodulation and caking materials are finished by the peripheral nodulation removing device. The peripheral accretion discharge device 11 has at the same time the function of a temporary discharge or an accident discharge chute.
In this embodiment, this multichannel rotation ash hoist can reach the even ash of stove circumference, change the mode that center single-point was unloaded and side single-point was unloaded, and it adopts the balanced unloading of peripheral multichannel and the compound rotatory mode of unloading in center, forms the charge level and can adjust at 360 degrees within ranges of material flow, and it has ash hoist and mount, and ash hoist is accurate, and ash hoist is efficient, the finished product ash is not broken, the smooth advantage of material level decline in the stove.
The multi-channel rotary ash hoist has the advantages that the peripheral multi-channel and single-channel ash hoisting mode is adopted:
1) can realize the steady unloading of multichannel multiple spot, but the decline speed and the unloading volume of charge level in single-point or the multiple spot regulation and control stove realize hierarchical multiple spot unloading, effectively solve the unloading inequality fast and expect the phenomenon partially, can fix a point, the multiple spot is arranged and is expected to solve the kiln in partially burning, partially expect the phenomenon partially fast, the material post resistance is even when the ejection of compact moreover, row expects smoothly.
2) The multi-channel rotary ash discharging machine is characterized in that a plurality of adjustable distributing devices 3 are radially distributed near the wall of the furnace at the center of the furnace, and are uniformly distributed at intervals on the circumference concentric with the furnace body, when the furnace condition is normal, the lime ash discharging amount of each distributing device 3 is the same, so that lime in the furnace is uniformly discharged from a plurality of symmetrical directions, the uniform descending of materials on the cross section in the furnace is ensured, the airflow in the furnace is uniformly distributed all the time, and the phenomenon of material surface deflection is effectively solved, thereby stabilizing the smooth running of the furnace condition, and adjusting the discharging amount of a single discharging device to adjust the furnace condition when the furnace condition is not smooth, the material surface is inclined, and the material surface is not uniformly descended.
The multi-channel rotary ash discharging machine adopts a peripheral multi-channel synchronous rotary ash discharging mode and has the following advantages:
1) this rotatory ash hoist of multichannel has realized the synchronous rotation ash discharge of multichannel, the unloading point of a plurality of adjustable ash discharging device that the periphery distributes in the stove collects a rotator 6, with the unloading of rotator 6 synchronous rotation, and the ash discharge volume of every ash discharging device is adjustable in addition, the rotation rate of controlling rotator 6 through the adjustment, the order of piling up before the unloading speed changes finished product lime whereabouts, it is even to make each department of cross section unloading in the stove, the ash discharge is accurate, it is efficient to go out the ash, the finished product ash is not broken, the interior material level decline of stove is leveled.
2) And the maintenance and the replacement of equipment parts are simple, and the non-stop daily maintenance is realized.
In this embodiment, the multi-channel rotary ash hoist has the following advantages:
1) reasonable in design, simple structure is practical, and stability is high, safe and reliable, long service life, the operation of being convenient for. The multi-channel rotary ash discharger realizes uniform discharge of the cross section of the lime kiln, can adjust the shape of a roasting zone, stabilize the trend of airflow in the kiln and crush bonded materials, and is key equipment for determining the production capacity (yield) of the lime kiln and influencing the product quality.
2) This rotatory ash hoist's of multichannel ash hoist play ash mode has not only solved the drawback of the side formula single-point mode of unloading of traditional spiral cone ash hoist, has also solved its adoption spiral single channel extrusion row material mode and has caused the too high problem of lime finished product pulverization rate easily, has solved the charge level incline problem that its feed opening only one leads to moreover, has also solved because of the little easy jam of its feed opening area, runs into the unable discharge of serious material of nodulation, seriously influences the situation of unloading in the stove, the unloading is simple and convenient more.
3) This rotatory ash hoist of multichannel has solved traditional spiral shell awl ash hoist and has caused the too big problem that makes the equipment off tracking serious and fragile of equipment main part axial shear force because equipment unidirectional rotation, and this rotatory ash hoist of multichannel installs and dismantles very simply, the maintenance of being convenient for moreover.
4) The multi-channel rotary ash hoist effectively solves the problems that the whole situation of the charge level cannot be controlled due to the single discharging point caused by the central single-point discharging mode of the disc ash hoist, the temperature in a furnace cannot be uniform due to the fact that the charge level in the furnace has the phenomena of fast central discharging and slow peripheral discharging, and the key problems of 'central funnel effect', commonly called 'hole falling' and 'core drawing' and the like are very easily caused, the ash hoist is more uniform, and the central funnel effect is effectively avoided.
5) The multi-channel rotary ash hoist solves the problems that the ash hoist of a peripheral inserting plate or a supporting plate ash hoist is poor in ash hoisting uniformity, dead angles are easily caused on two sides of the supporting plate, the regulation is not timely, and a roasting zone is inclined, and meanwhile, the multi-channel rotary ash hoist also solves the problems that the existing ash hoist cannot crush a bonding material block, is not easy to seal, and easily causes bottom air leakage to influence the distribution of air flow in a furnace and environmental pollution.
6) The multi-channel rotary ash discharger can uniformly and stably discharge materials and discharge materials, and can keep the materials with the same section in the furnace to be uniformly combusted at temperature, and is a necessary device for producing the lime in a balanced and continuous manner, and stabilizing and controlling the quality of the lime.
7) The multi-channel rotary ash hoist has the advantages that the structure is simple, the weight is reduced, the price of the multi-channel rotary ash hoist is only 20-30% of that of the spiral ash hoist, the price is the same as that of the conventional 'disc ash hoist', but the service life of a main machine is long and can reach more than 10-15 years.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A multi-channel rotary ash hoist is characterized by comprising a discharge bin, a rotating body, a transition material distributing bin, a material distributing device, a discharging channel, a material guiding device, a material flow adjusting device and a material guiding throttling device;
the bottom of the discharging bin is provided with a central feed opening, the rotating body is arranged below the central feed opening, and materials discharged from the central feed opening fall on the rotating body and are discharged through the rotating body;
a plurality of distributing devices are arranged on the upper part of the inner wall of the discharge bin along the circumferential direction, a plurality of transition distributing bins are arranged on the upper part of the outer side of the discharge bin, the distributing devices and the transition distributing bins are arranged in one-to-one correspondence, and the distributing devices are used for communicating the discharge bin with the transition distributing bins;
the upper part of the inner side of the discharge bin is provided with a material guiding throttling device, and materials in the discharge bin enter the transition distribution bin through the dredging of the material guiding throttling device and the distribution device;
the lower part of every transition branch feed bin all is provided with the unloading passageway that divides the feed bin intercommunication with the transition, just material guider is installed to the bottom of unloading passageway, material flow adjusting device is connected with material guider, material flow adjusting device is used for adjusting material guider's material flow, material guider guides the material in the unloading passageway to the rotator, and the rotator is rotatory discharges the material.
2. The multi-channel rotary ash hoist as claimed in claim 1, characterized in that the multi-channel rotary ash hoist further comprises a central lump removing device, the central lump removing device is arranged at the central feed opening, and the rotation of the rotating body extrudes and crushes the lump materials between the rotating body and the central lump removing device.
3. The multi-channel rotary ash hoist of claim 2, characterized in that the multi-channel rotary ash hoist further comprises a peripheral accretion removal device; the peripheral row of tumour device install in the lower part of row material bin lateral wall, peripheral row of tumour device is located peripheral row of tumour device's top, peripheral row of tumour device is used for row tumour.
4. The multi-channel rotary ash hoist of claim 3, characterized in that the peripheral aneurysm discharge device is a quick-opening valve.
5. The multi-channel rotary ash hoist of claim 1, characterized in that the number of the material dividing devices is an even number.
6. The multi-channel rotary ash hoist of claim 5, characterized in that a plurality of said distributing devices are arranged uniformly in the circumferential direction of said discharge bin.
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