CN213327368U - Cement production system - Google Patents
Cement production system Download PDFInfo
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- CN213327368U CN213327368U CN202022318345.5U CN202022318345U CN213327368U CN 213327368 U CN213327368 U CN 213327368U CN 202022318345 U CN202022318345 U CN 202022318345U CN 213327368 U CN213327368 U CN 213327368U
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Abstract
The application discloses a cement production system, which comprises a cement mill, a storage tank, a delivery pump, a delivery pipeline and a meter, wherein the cement mill comprises a wall breaking bin and a grinding bin which are communicated with each other and are horizontally arranged, and a straight pipe section is arranged on the wall breaking bin; the storage tank is provided with a containing space for containing a cement grinding aid; the input end of the delivery pump is communicated with the storage tank; the first end of the conveying pipeline is communicated with the output end of the conveying pump, and the second end of the conveying pipeline penetrates into the wall breaking bin through the straight pipe section; the meter is arranged on the conveying pipeline; wherein, pipeline has and predetermines hardness and predetermines shock resistance, realizes directly wearing pipeline into the broken wall storehouse to directly export grinding aid to the broken wall storehouse in, and pipeline that has and predetermine hardness and predetermine shock resistance can avoid being damaged by the grinding body steel ball, with extension pipeline's life.
Description
Technical Field
The application relates to the technical field of cement production, in particular to a cement production system.
Background
The cement grinding aid is a chemical additive for improving grinding efficiency, reducing grinding power consumption and improving the grinding fineness and the cement strength of cement powder; in the existing cement production flow, a rigid steel pipe is used as a transmission channel of a grinding aid, the steel pipe is lapped at a grinding head feeding position of a cement mill, and the grinding aid is output from the steel pipe and then enters a wall breaking bin of the cement mill after passing through the grinding head; the steel pipe is extended to broken wall storehouse interior to current producer's consideration for grinding aid can not directly carry to broken wall storehouse in through the bistrique, but owing to the grinding body steel ball that has the crushing effect in the broken wall storehouse, smash the bad with the steel pipe extremely easily, lead to unable continuation transport grinding aid. So that only the steel pipe can be lapped at the grinding head.
However, because a certain distance exists between the grinding head and the wall breaking bin, grinding aids are remained and accumulated in a small amount at the grinding head, and a ring formation phenomenon often occurs at the grinding head, so that a large amount of grinding aids cannot enter the wall breaking bin, and the ring formation cleaning needs to be performed by forced production stoppage.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a cement production system to solve the scheduling problem that the present grinding aid pipeline can't directly carry the grinding aid to the knot that leads to in the broken wall storehouse even stop production.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
the present application provides in a first aspect a cement production system comprising:
the cement mill comprises a wall breaking bin and a grinding bin which are communicated with each other and are horizontally arranged, and a straight pipe section is arranged on the wall breaking bin;
a storage tank having a holding space for holding a cement grinding aid;
the input end of the delivery pump is communicated with the storage tank;
the first end of the conveying pipeline is communicated with the output end of the conveying pump, and the second end of the conveying pipeline penetrates into the wall breaking bin through the straight pipe section;
a gauge disposed on the delivery conduit;
wherein, the conveying pipeline has preset hardness and preset impact resistance.
In some variations of the first aspect of the present application, the cement production system described above, wherein the delivery conduit comprises a first delivery pipe and a second delivery pipe;
the first conveying pipe is a hard metal pipeline, and two ends of the first conveying pipe are respectively connected with the output end of the conveying pump and the second conveying pipe;
the second conveying pipe is a hose, and one end, far away from the first conveying pipe, of the second conveying pipe penetrates into the wall breaking bin through the straight pipe section.
In some variations of the first aspect of the present application, the cement production system described above, wherein the second conveying pipe is a steel wire rubber tube.
In some variations of the first aspect of the present application, the cement production system described above, wherein the second transport pipe is removably connected to the first transport pipe;
the inner diameter of the second conveying pipe is matched with the outer diameter of the first conveying pipe.
In some variations of the first aspect of the present application, the cement production system described above, wherein a seal is provided on an inner wall of the second transport pipe connected to the first transport pipe; or
And a sealing element is arranged on the outer wall of the first conveying pipe connected with the second conveying pipe.
In some modified embodiments of the first aspect of the present application, the cement production system further comprises a locking member movably disposed at a joint of the first delivery pipe and the second delivery pipe;
the locking piece comprises a first locking ring and a second locking ring, the first locking ring and the second locking ring are both of C-shaped structures, openings of the first locking ring and the second locking ring are opposite, a first end of the first locking ring is rotatably connected with a first end of the second locking ring, and a second end of the first locking ring is movably connected with a second end of the second locking ring.
In some modified embodiments of the first aspect of the present application, the cement production system further includes an adhesive layer, and a diversion protrusion is disposed on an inner wall of the first conveying pipe and/or the second conveying pipe, and is spirally disposed along an axial direction of the first conveying pipe/the second conveying pipe.
In some variations of the first aspect of the present application, the cement production system described above, wherein the meter is disposed on the first delivery pipe.
In some variations of the first aspect of the present application, in the cement production system, the second delivery pipe has a length of 300 mm and 800 mm.
In some modified embodiments of the first aspect of the present application, the cement production system described above further comprises a liquid pump frequency converter;
and the liquid pump frequency converter is electrically connected with the delivery pump.
Compared with the prior art, the cement production system provided by the first aspect of the application has the advantages that the conveying pipeline is set to have preset hardness and preset impact resistance, and penetrates into the wall breaking bin, so that the grinding aid is directly conveyed into the wall breaking bin, and the conveying pipeline cannot be broken by the steel balls of the grinding bodies; thereby effectively solving the problems of ring formation and even production halt caused by the fact that the conventional grinding aid conveying pipeline cannot directly convey the grinding aid into a wall-breaking bin; the application provides a cement production system structure is effective, avoids regular because clearance ring formation and production stoppage, and production efficiency improves greatly.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic diagram illustrating a cement production system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating the structure of a guide projection on a conveying pipeline in the cement production system provided in FIG. 1;
FIG. 3 schematically illustrates a schematic view of a lock in the cement production system provided in FIG. 1;
the reference numbers illustrate: the device comprises a cement mill 1, a wall breaking bin 11, a grinding bin 12, a straight pipe section 13, a grinding body steel ball 14, a storage tank 2, a delivery pump 3, a delivery pipeline 4, a first delivery pipe 41, a second delivery pipe 42, a flow guide bulge 43, a meter 5, a locking member 6, a first locking ring 61, a second locking ring 62 and a liquid pump frequency converter 7.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
example 1
Referring to fig. 1, the cement production system provided by the embodiment of the present application includes a cement mill 1, a storage tank 2, a delivery pump 3, a delivery pipe 4, and a meter 5; the cement mill 1 comprises a wall breaking bin 11 and a grinding bin 12 which are communicated with each other and are horizontally arranged, and a straight pipe section 13 is arranged on the wall breaking bin 11; the storage tank 2 is provided with a containing space for containing a cement grinding aid; the input end of the delivery pump 3 is communicated with the storage tank 2; the first end of the conveying pipeline 4 is communicated with the output end of the conveying pump 3, and the second end of the conveying pipeline 4 penetrates into the wall breaking bin 11 through the straight pipe section 13; the meter 5 is arranged on the conveying pipeline 4;
wherein the conveying pipe 4 has a predetermined hardness and a predetermined impact resistance.
Concrete, in order to solve the problem that the present grinding aid pipeline can't lead to in directly carrying the broken wall storehouse the knot circle even the shutdown with grinding aid, the cement production system that this embodiment provided sets up to the hose that has predetermined hardness and predetermine shock resistance through the conveyer pipe 4 with cement grinding aid, and will conveyer pipe 4 pierces into in the broken wall storehouse 11 for conveyer pipe 4 can directly carry grinding aid to broken wall storehouse 11 in, and can not cause the condition of damage or even unable transport grinding aid because the striking of grinding body steel ball.
Referring to fig. 1, the cement mill 1 includes a wall breaking bin 11, a grinding bin 12 and a straight pipe section 13, the wall breaking bin 11 and the grinding bin 12 are arranged in a horizontal direction and are communicated with each other, the straight pipe section 13 is arranged at one end of the wall breaking bin 11, which is far away from the grinding bin 12, the straight pipe section 13 is provided with a plurality of grinding body steel balls 14, after grinding aids enter the wall breaking bin 11, the grinding body steel balls 14 rotate along with the wall breaking bin 11 to crush, stir and grind materials and grinding aids in the wall breaking bin 11, and then the mixed wall-broken materials enter the grinding bin 12 again to be secondarily ground and thinned; the cement mill 1 in this embodiment is a slipper mill, and therefore, referring to the above structural description and the disclosure of the prior art, the structure and the working principle of the cement mill 1 are not difficult to understand for those skilled in the art, and will not be described in detail herein.
Wherein, the storage tank 2 is a container with a containing space, in this embodiment, the storage tank 2 is used for containing the grinding aid after the preparation, the size and the shape of the grinding aid are not limited too much, and the design can be adjusted according to the actual production needs.
The conveying pump 3 is a device with a pumping function, specifically a grinding aid pump in this embodiment, and can lead grinding aids out of the storage tank 2 and transmit the grinding aids into the wall breaking bin 11 of the cement mill 1 through the conveying pipeline 4; the working principle of the delivery pump 3 is easily understood by those skilled in the art, and the size and model thereof can be adjusted and designed according to actual needs, and will not be described in detail herein.
Wherein, pipeline 4 is the grinding aid is in storage tank 2 with the passageway between the broken wall storehouse 11, pipeline 4 is for having the hose of predetermineeing hardness and predetermineeing shock resistance, and then guarantees that it can wear into can not take place to deform because weight or gravity action in the broken wall storehouse 11 and still can keep complete transmission path, can also keep the completeness of structure itself under the striking of grinding body steel ball 14, for example: steel wire rubber hoses, nylon rubber hoses, and the like; the conveying pipeline 4 penetrates into the wall breaking bin 11, so that grinding aids can be directly input into the wall breaking bin 11 without being accumulated at the straight pipe section 13 and falling into the wall breaking bin 11, and the grinding aids are prevented from forming rings at the straight pipe section 13.
The meter 5 is a flow meter which is a device capable of measuring a flow value, is arranged on the conveying pipeline 4 and is used for detecting the flow of the grinding aid output from the conveying pipeline 4 in real time, so that an operator is assisted in controlling the amount of the grinding aid entering the wall breaking bin 11, the grinding aid is conveyed in an appropriate amount according to the amount of the material, the dosage can be accurately controlled, and waste can be avoided; meanwhile, a timing device (not shown in the figure) can be arranged by matching with the meter 5, the operation of manually timing and calculating the output quantity of the grinding aid can be omitted by the timing device, the labor amount of operators is reduced, and errors or mistakes caused by manual timing are avoided.
According to the above list, in the cement production system provided by the first aspect of the present application, the conveying pipeline 4 is set to have the preset hardness and the preset impact resistance, and the conveying pipeline 4 penetrates into the wall breaking bin 11, so that the grinding aid is directly conveyed into the wall breaking bin 11, and the conveying pipeline 4 cannot be broken by the grinding body steel ball 14; thereby effectively solving the problems of ring formation and even production halt caused by the fact that the prior grinding aid conveying pipeline 4 can not directly convey the grinding aid into the wall breaking bin 11; the application provides a cement production system structure is effective, avoids regular because clearance ring formation and production stoppage, and production efficiency improves greatly.
The term "and/or" herein is merely an associative relationship describing an associated object, meaning that three relationships may exist, e.g., a and/or B, specifically understood as: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Further, referring to fig. 1, in a cement production system provided by the embodiment of the present application, in a specific implementation, the conveying pipeline 4 includes a first conveying pipe 41 and a second conveying pipe 42;
the first delivery pipe 41 is a hard metal pipeline, and two ends of the first delivery pipe 41 are respectively connected with the output end of the delivery pump 3 and the second delivery pipe 42;
the second conveying pipe 42 is a hose, and one end of the second conveying pipe 42, which is far away from the first conveying pipe 41, penetrates into the wall breaking bin 11 through the straight pipe section 13.
Specifically, in order to realize the conveying of the grinding aid by the conveying pipeline 4, and avoid that the pipeline of the conveying pipeline 4 is long and is deformed or collapsed at the periphery, in this embodiment, the conveying pipeline 4 is formed by interconnecting a first conveying pipe 41 of hard metal and a second conveying pipe 42 of a hose, so that the first conveying pipe 41 of the hard metal pipe can exist as a long conveying pipeline at the periphery, and the damage of the conveying pipeline caused by the complexity of the construction environment is avoided, meanwhile, the second conveying pipe 42 is set to be a hose with preset hardness and preset impact resistance, and is penetrated into the wall breaking bin 11 and kept in a suspended state in the wall breaking bin 11 to output the grinding aid, so that the second conveying pipe 42 can directly input the grinding aid into the wall breaking bin 11 in the bin 11, the straight pipe section 13 is not required to pass through, meanwhile, the second conveying pipe 42 can bear the impact of the grinding body steel balls 14, the damage caused by the impact of the grinding body steel balls 14 is avoided, and the service life of the conveying pipeline 4 can be ensured.
Further, in the cement production system provided by the embodiment of the present application, in a specific implementation, the second conveying pipe 42 is a steel wire rubber pipe.
Specifically, in order to realize second conveyer pipe 42 has and predetermines hardness and predetermine shock resistance, can keep the suspension state in broken wall storehouse 11, the realization will grinding aid direct output is in broken wall storehouse 11, will in this embodiment second conveyer pipe 42 sets up to the steel wire rubber tube, and it is for increasing the winding enhancement layer of steel wire in rubber hose to the intensity of reinforcing hose, and then make it can have predetermine hardness keeps suspension state in broken wall storehouse 11 to apparent rubber layer can play the cushioning effect of striking, avoid with grinding body steel ball 14 takes place the striking of hard collision, thereby guarantees second conveyer pipe 42 can not be because of damage or deformation take place for the striking of grinding body steel ball 14.
Further, referring to fig. 1 and 3, in the cement production system provided by the embodiment of the present application, in a specific implementation, the second conveying pipe 42 is detachably connected to the first conveying pipe 41; the inner diameter of the second delivery pipe 42 is adapted to the outer diameter of the first delivery pipe 41.
Specifically, in order to improve the production efficiency of the cement production system and ensure the production flexibility thereof, in this embodiment, the second conveying pipe 42 and the first conveying pipe 41 are detachably connected, and the second conveying pipe 42 is sleeved outside or inside the first conveying pipe 41, so as to be reinforced or locked for the second time, for example: bonding, outer wall locking connections, and the like; preferably, the second conveying pipe 42 is sleeved outside the first conveying pipe 41, in the arrangement mode, the inner diameter of the second conveying pipe 42 is larger than the outer diameter of the first conveying pipe 41, so that the output rate of the grinding aid is ensured not to be affected, and meanwhile, the second conveying pipe 42 is a hose and is arranged on the periphery to be reinforced and locked for the second time more easily; furthermore, when the abrasion degree of the second conveying pipe 42 greatly influences the output of the grinding aid, the second conveying pipe 42 can be replaced; the inner and outer diameters of the first delivery pipe 41 and the second delivery pipe 42 can be adjusted and designed according to actual production needs, and are not described in detail herein.
Further, in the cement production system provided by the embodiment of the present application, in a specific implementation, a sealing member (not shown in the drawings) is disposed on an inner wall of the second delivery pipe 42 connected to the first delivery pipe 41; or a sealing member (not shown) is provided on an outer wall of the first delivery pipe 41 connected to the second delivery pipe 42.
Specifically, in order to ensure the overall sealing performance of the conveying pipeline 4 and avoid the loss or waste of the grinding aid, in this embodiment, the sealing element is arranged at the joint of the first conveying pipe 41 and the second conveying pipe 42, and when the second conveying pipe 42 is sleeved outside the first conveying pipe 41, the sealing element is arranged on the inner wall of the second conveying pipe 42; correspondingly, when the second conveying pipe 42 is sleeved inside the first conveying pipe 41, the sealing element is arranged on the inner wall of the first conveying pipe 41; the sealing element is a sealing rubber strip, which may be a rubber strip with a certain width, or a plurality of sealing elements are arranged at intervals along the axial direction of the pipeline, and the arrangement mode can be easily understood and realized by those skilled in the art, and is not described in detail herein.
Further, referring to fig. 3, in an implementation, the cement production system provided in the embodiment of the present application further includes a locking member 6, where the locking member 6 is movably disposed at a connection position of the first conveying pipe 41 and the second conveying pipe 42;
the locking member 6 comprises a first locking ring 61 and a second locking ring 62, the first locking ring 61 and the second locking ring 62 are both C-shaped structures, the openings of the first locking ring 61 and the second locking ring 62 are opposite, the first end of the first locking ring 61 is rotatably connected with the first end of the second locking ring 62, and the second end of the first locking ring 61 is movably connected with the second end of the second locking ring 62.
Specifically, in order to ensure that the connection between the first conveying pipe 41 and the second conveying pipe 42 is firm and avoid the accidental separation in the production process, in this embodiment, the locking member 6 is disposed at the connection between the first conveying pipe 41 and the second conveying pipe 42, the first locking ring 61 and the second locking ring 62 of the locking member 6 are both adapted to the outer wall of the second conveying pipe 42, when the locking member 6 is required to lock the conveying pipe, the first locking ring 61 and the second locking ring 62 are placed on the outer wall of the second conveying pipe 42, the second ends of the first locking ring 61 and the second locking ring 62 are connected by a bolt-through lock, and at this time, the first locking ring 61 and the second locking ring 62 clamp the second conveying pipe 42 therebetween, so as to ensure that the second conveying pipe 42 cannot be separated from the first conveying pipe 41.
Further, referring to fig. 2, in a concrete implementation of the cement production system provided in the embodiment of the present application, a flow guide protrusion 43 is disposed on an inner wall of the first conveying pipe 41 and/or the second conveying pipe 42, and the flow guide protrusion 43 is spirally disposed along an axial direction of the first conveying pipe 41/the second conveying pipe 42.
Specifically, in order to ensure that the grinding aid does not coagulate or precipitate during the conveying process and affect the effect of the grinding aid in the wall breaking chamber 11, in this embodiment, the guide protrusion 43 is disposed on the inner wall of the first conveying pipe 41/the second conveying pipe 42, and may be disposed on the first conveying pipe 41 or the second conveying pipe 42 separately, or may be disposed on both the first conveying pipe 41 and the second conveying pipe 42; the guide bulge 43 is bulged from the inner wall of the first conveying pipe 41/the second conveying pipe 42 to the axis direction of the first conveying pipe and is spirally arranged in the pipe along the axial direction of the pipe, so that grinding aids can be impacted when flowing through, the effect of stirring the grinding aids again is achieved, and the grinding aids are prevented from being coagulated or precipitated; meanwhile, the guide bulge 43 is spirally arranged, so that the guide effect can be achieved in the conveying direction of the grinding aid; the flow guide protrusion 43 may be a strip, or may be a column or a granule arranged at intervals.
Further, referring to fig. 1, in the cement production system provided by the embodiment of the present application, in a specific implementation, the meter 5 is disposed on the first conveying pipe 41.
Specifically, in order to guarantee the service life of the second conveying pipe 42, the meter 5 is arranged on the first conveying pipe 41 made of hard metal in the embodiment, so that the second conveying pipe 42 is prevented from being perforated, the integrity of the pipe body of the second conveying pipe 42 is guaranteed, and the service life of the second conveying pipe is prolonged.
Further, in the cement production system provided by the embodiment of the present application, in a specific implementation, the length of the second delivery pipe 42 is 300-800 mm.
Specifically, in order to ensure that the second conveying pipe 42 can directly output the grinding aid into the wall breaking bin 11, the length of the second conveying pipe 42 is set to 800mm, preferably 500mm, in this embodiment, because the sliding shoe grinding adopted in this embodiment is of the specification of diameter 4.2m and length 13m, the length of the wall breaking bin 11 is 1.5m, and the length of the straight pipe section is 100 mm and 200mm, further in order to ensure that the second conveying pipe 42 penetrates through the straight pipe section 13 and penetrates into the wall breaking bin 11 and keeps the pipe opening in the wall breaking bin 11, the length of the second conveying pipe 42 is set to 500mm, and the second conveying pipe can penetrate into the wall breaking bin 11 by 400mm, and the main material and the grinding aid can be fully contacted by matching with the feeding position of the sliding shoe grinding.
Further, referring to fig. 1, in a concrete implementation, the cement production system provided in the embodiment of the present application further includes a liquid pump frequency converter 7;
the liquid pump frequency converter 7 is electrically connected with the delivery pump 3.
Specifically, in order to realize that the output rate of the grinding aid is adjustable, in this embodiment, the liquid pump frequency converter 7 is arranged on the delivery pump 3, so that the working frequency of the delivery pump 3 can be adjusted, and the amount of the grinding aid pumped by the delivery pump can be adjusted.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A cement production system, characterized in that it comprises:
the cement mill comprises a wall breaking bin and a grinding bin which are communicated with each other and are horizontally arranged, and a straight pipe section is arranged on the wall breaking bin;
a storage tank having a holding space for holding a cement grinding aid;
the input end of the delivery pump is communicated with the storage tank;
the first end of the conveying pipeline is communicated with the output end of the conveying pump, and the second end of the conveying pipeline penetrates into the wall breaking bin through the straight pipe section;
a gauge disposed on the delivery conduit;
wherein, the conveying pipeline has preset hardness and preset impact resistance.
2. The cement production system according to claim 1, wherein:
the conveying pipeline comprises a first conveying pipe and a second conveying pipe;
the first conveying pipe is a hard metal pipeline, and two ends of the first conveying pipe are respectively connected with the output end of the conveying pump and the second conveying pipe;
the second conveying pipe is a hose, and one end, far away from the first conveying pipe, of the second conveying pipe penetrates into the wall breaking bin through the straight pipe section.
3. The cement production system according to claim 2, wherein:
the second conveying pipe is a steel wire rubber pipe.
4. The cement production system according to claim 2, wherein:
the second conveying pipe is detachably connected with the first conveying pipe;
the inner diameter of the second conveying pipe is matched with the outer diameter of the first conveying pipe.
5. The cement production system according to claim 4, wherein:
a sealing element is arranged on the inner wall of the second conveying pipe connected with the first conveying pipe; or
And a sealing element is arranged on the outer wall of the first conveying pipe connected with the second conveying pipe.
6. The cement production system according to claim 4, wherein:
the locking piece is movably arranged at the joint of the first conveying pipe and the second conveying pipe;
the locking piece comprises a first locking ring and a second locking ring, the first locking ring and the second locking ring are both of C-shaped structures, openings of the first locking ring and the second locking ring are opposite, a first end of the first locking ring is rotatably connected with a first end of the second locking ring, and a second end of the first locking ring is movably connected with a second end of the second locking ring.
7. The cement production system according to claim 2, wherein:
the inner wall of the first conveying pipe and/or the second conveying pipe is provided with a flow guide bulge, and the flow guide bulge is arranged along the axial direction of the first conveying pipe/the second conveying pipe in a spiral mode.
8. The cement production system according to claim 2, wherein:
the meter is disposed on the first delivery tube.
9. The cement production system according to claim 2, wherein:
the length of the second delivery pipe is 300-800 mm.
10. The cement production system according to claim 1, wherein:
the device also comprises a liquid pump frequency converter;
and the liquid pump frequency converter is electrically connected with the delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022318345.5U CN213327368U (en) | 2020-10-16 | 2020-10-16 | Cement production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022318345.5U CN213327368U (en) | 2020-10-16 | 2020-10-16 | Cement production system |
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| CN213327368U true CN213327368U (en) | 2021-06-01 |
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| CN202022318345.5U Active CN213327368U (en) | 2020-10-16 | 2020-10-16 | Cement production system |
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