CN212315948U - Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line - Google Patents
Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line Download PDFInfo
- Publication number
- CN212315948U CN212315948U CN202021260519.0U CN202021260519U CN212315948U CN 212315948 U CN212315948 U CN 212315948U CN 202021260519 U CN202021260519 U CN 202021260519U CN 212315948 U CN212315948 U CN 212315948U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- crusher
- clinker
- production line
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The utility model provides a novel high-temperature clinker cooling waste heat recovery and comprehensive utilization device for a dry-process cement clinker production line, which comprises a primary heat exchanger with a feed inlet, wherein the primary heat exchanger is sequentially arranged with a secondary heat exchanger and a tertiary heat exchanger; a first hoisting machine is arranged between the first-stage heat exchanger and the second-stage heat exchanger, and a second hoisting machine is arranged between the second-stage heat exchanger and the third-stage heat exchanger; a first crusher is arranged at a bottom inlet of the first hoister, a feed inlet of the first crusher is communicated with a discharge outlet of the primary heat exchanger, and a discharge outlet of the first crusher is communicated with the bottom inlet of the first hoister; a second crusher is arranged at a bottom inlet of the second elevator, a feed inlet of the second crusher is communicated with a discharge outlet of the secondary heat exchanger, and a discharge outlet of the second crusher is communicated with the bottom inlet of the second elevator; the utility model discloses have the beneficial effect that can improve grog waste heat recovery and utilization rate, be applicable to the cement production field.
Description
Technical Field
The utility model relates to a technical field of cement manufacture, concretely relates to novel dry process cement clinker production line high temperature grog cooling waste heat recovery comprehensive utilization device.
Background
The cement clinker is a semi-finished product which is prepared by using limestone, siliceous raw materials and ferrous raw materials as main raw materials, preparing raw materials according to a proper proportion, burning until part or all of the raw materials are molten, and cooling.
In the existing cement clinker cooling process, a cooling channel of a cooling device is communicated from a high-temperature area to a low-temperature area, so that the air flow of the high-temperature area automatically flows into the low-temperature area due to high gas density of the low-temperature area, and the air flow of the low-temperature area flows backwards into the high-temperature area, so that the temperature of the high-temperature area is reduced; in the process, the problem of low heat recovery utilization rate of the cooling device exists, and the energy-saving and environment-friendly performance is poor.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists in the correlation technique, the utility model discloses the technical problem that will solve lies in: provides a novel high-temperature clinker cooling waste heat recycling comprehensive utilization device for a dry-method cement clinker production line, which can improve the recovery utilization rate of clinker waste heat.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a novel dry process cement clinker production line high temperature clinker cooling waste heat recovery utilizes multipurposely device, includes: the first-stage heat exchanger is provided with a feed port, and the first-stage heat exchanger, the second-stage heat exchanger and the third-stage heat exchanger are sequentially arranged; a first lifting machine is arranged between the primary heat exchanger and the secondary heat exchanger, and a second lifting machine is arranged between the secondary heat exchanger and the tertiary heat exchanger;
a first crusher is arranged at a bottom inlet of the first hoister, a feed inlet of the first crusher is communicated with a discharge outlet of the primary heat exchanger, a discharge outlet of the first crusher is communicated with a bottom inlet of the first hoister, and a top outlet of the first hoister is communicated with a feed inlet of the secondary heat exchanger; a second crusher is arranged at a bottom inlet of the second hoister, a feed inlet of the second crusher is communicated with a discharge outlet of the secondary heat exchanger, a discharge outlet of the second crusher is communicated with a bottom inlet of the second hoister, and a top outlet of the second hoister is communicated with a feed inlet of the tertiary heat exchanger; and a discharge port of the tertiary heat exchanger is connected with a conveyor, so that the conveyor conveys the low-temperature clinker output by the tertiary heat exchanger to a clinker warehouse for storage.
Preferably, the water outlet of the third-stage heat exchanger is connected with the water inlet of the second-stage heat exchanger through a second-stage conveying pipe, and the water-vapor mixing outlet of the second-stage heat exchanger is connected with the water inlet of the first-stage heat exchanger through a first-stage conveying pipe; and a steam outlet of the primary heat exchanger is connected with a steam turbine of an external low-pressure generator set through a steam conveying pipeline.
Preferably, a feeding groove is arranged above the primary heat exchanger, a bar gate is arranged at the bottom of the feeding groove, and the bar gate enables high-temperature clinker with the particle size less than 300mm to enter a feeding hole of the primary heat exchanger; and a discharge port is arranged on the feeding groove and above the bar gate, and the discharge port enables high-temperature clinker with the particle size of more than or equal to 300mm to be discharged from the discharge port.
Preferably, the first-stage heat exchanger, the second-stage heat exchanger and the third-stage heat exchanger are all provided with a feeding valve and a discharging valve, and after the feeding valve and the discharging valve are closed, the first-stage heat exchanger, the second-stage heat exchanger and the third-stage heat exchanger all form independent spaces.
Preferably, the first crusher is a single rotor impact crusher; the second crusher is a double-roller crusher, or a rotary cone crusher, or an impact crusher.
Preferably, the conveyor is a large-angle conveyor or a chain-link vertical conveyor.
Preferably, the water and steam heat exchange pipelines of the primary heat exchanger, the secondary heat exchanger and the tertiary heat exchanger are annular pipelines, or latticed pipelines, or spiral vertical pipes, and the annular pipelines and the latticed pipelines are arranged in a star shape.
The utility model has the advantages of:
1. the utility model provides a novel high temperature clinker cooling waste heat recovery comprehensive utilization device and process of dry method cement clinker production line, when using, after the high temperature clinker of 1200 ℃ enters the feed inlet of the primary heat exchanger, after finishing heat exchange in the primary heat exchanger, cooling to 500 ℃, the clinker of 500 ℃ is discharged from the discharge port of the primary heat exchanger, enters a first crusher to be crushed, and medium particle clinker with the particle size of 30mm is formed; the medium particle clinker discharged from the first crusher enters a feeding hole of the secondary heat exchanger through a first elevator; after heat exchange of the medium-particle clinker is completed in the secondary heat exchanger, cooling to 200 ℃, discharging the clinker at 200 ℃ from a discharge port of the secondary heat exchanger, and crushing in a second crusher to form small-particle clinker with the particle size of less than or equal to 10 mm;
the small particle clinker discharged from the second crusher enters a feed inlet of the third-stage heat exchanger through a second elevator; after finishing heat exchange in the third-stage heat exchanger, cooling to 80 ℃, discharging from a discharge port of the third-stage heat exchanger, and conveying to a clinker warehouse for storage through a conveyor; in the process, a multistage heat exchange mode is adopted, and the high-temperature clinker can be subjected to graded heat exchange, so that the heat exchange of the high-temperature clinker is more sufficient and uniform, and the heat exchange efficiency is improved.
2. The utility model provides a novel high-temperature clinker cooling waste heat recovery comprehensive utilization device and process for a dry-method cement clinker production line, which can fully play the role of high-temperature clinker waste heat, when in use, softened water at 40 ℃ enters a tertiary heat exchanger from a water inlet at the lower part of the tertiary heat exchanger, and is guided into a water inlet at the lower part of a secondary heat exchanger through a secondary conveying pipe by a water outlet at the upper part of the tertiary heat exchanger after being heated to 95 ℃ in the heat exchange process; after waste heat is absorbed in the secondary heat exchanger to form a water-vapor mixture, the mixture is discharged from a water-vapor mixing outlet at the upper part of the secondary heat exchanger and enters the primary heat exchanger through a primary conveying pipe; in the heat exchange process, generating 315 ℃ saturated steam under the action of high-temperature clinker, discharging the saturated steam from a steam outlet at the upper part of the primary heat exchanger, and conveying the saturated steam to a steam turbine of a low-pressure generator set through a steam conveying pipeline for power generation; in the embodiment, the high-temperature clinker pure waste heat can be used for generating power, fuel is not consumed, resources are protected, environmental pollution is reduced, clinker cooling and clean power generation can be realized, energy conservation and consumption reduction of upstream and downstream processes are considered, production efficiency is improved, and the method has the social effects of improving enterprise economic benefits, protecting the environment and saving resources.
3. The utility model discloses in, through closing feed valve and discharge valve door can make one-level heat exchanger, second grade heat exchanger, tertiary heat exchanger all form independent space, are convenient for maintain and overhaul.
Drawings
FIG. 1 is a schematic structural view of a high-temperature clinker cooling waste heat recovery and comprehensive utilization device of a novel dry-process cement clinker production line;
FIG. 2 is a flow chart of a novel process for recycling and comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line provided by the first embodiment of the present invention;
FIG. 3 is a flow chart of a novel process for recycling and comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line provided by the embodiment of the present invention;
FIG. 4 is a flow chart of a novel dry-process cement clinker production line high-temperature clinker cooling waste heat recycling process provided by the third embodiment of the present invention;
in the figure: 1 is the one-level heat exchanger, 2 is the second grade heat exchanger, 3 is tertiary heat exchanger, 4 is first lifting machine, 5 is the second lifting machine, 6 is first breaker, 7 is the second breaker, 8 is the conveyer, 9 is the second grade conveyer pipe, 10 is the one-level conveyer pipe, 11 is steam conveying pipeline, 12 is the steam turbine, 13 is the feed chute, 14 is the bin outlet, 15 is the bar gate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
The utility model discloses a multistage heat exchanger's mode cools off high temperature grog to improve cement clinker's cooling rate, the utility model provides a multistage heat exchanger can be a plurality of, for easy understanding and explanation, and this embodiment explains with three heat exchanger.
An embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Example one
Fig. 1 is the utility model provides a pair of novel dry process cement clinker production line high temperature clinker cooling waste heat recovery comprehensive utilization device's schematic structure, as shown in fig. 1, a novel dry process cement clinker production line high temperature clinker cooling waste heat recovery comprehensive utilization device, include: the heat exchanger comprises a primary heat exchanger 1 with a feed inlet, wherein the primary heat exchanger 1, a secondary heat exchanger 2 and a tertiary heat exchanger 3 are sequentially arranged;
a first lifting machine 4 is arranged between the primary heat exchanger 1 and the secondary heat exchanger 2, and a second lifting machine 5 is arranged between the secondary heat exchanger 2 and the tertiary heat exchanger 3;
a first crusher 6 is arranged at a bottom inlet of the first lifter 4, a feed inlet of the first crusher 6 is communicated with a discharge outlet of the primary heat exchanger 1, a discharge outlet of the first crusher 6 is communicated with a bottom inlet of the first lifter 4, and a top outlet of the first lifter 4 is communicated with a feed inlet of the secondary heat exchanger 2;
a second crusher 7 is arranged at a bottom inlet of the second hoister 5, a feed inlet of the second crusher 7 is communicated with a discharge outlet of the secondary heat exchanger 2, a discharge outlet of the second crusher 7 is communicated with a bottom inlet of the second hoister 5, and a top outlet of the second hoister 5 is communicated with a feed inlet of the tertiary heat exchanger 3;
and a discharge hole of the tertiary heat exchanger 3 is connected with a conveyor 8, so that the conveyor 8 conveys the low-temperature clinker output by the tertiary heat exchanger 3 to a clinker warehouse for storage.
In particular, the first crusher 6 may be a single rotor impact crusher; the second crusher 7 may be a double roll crusher; the conveyor 8 can be a large-angle conveyor or a chain plate vertical conveyor; in the embodiment, the first crusher 6 and the second crusher 7 are arranged, and a two-stage crushing mode is adopted, so that the effect of a crushing bin of the cement grinding machine is achieved, the grinding capacity of the cement grinding machine is fully exerted, the yield of the grinding machine is improved, and the cement step-by-step power consumption is reduced.
Furthermore, the water and steam heat exchange pipelines of the primary heat exchanger 1, the secondary heat exchanger 2 and the tertiary heat exchanger 3 are annular pipelines, or latticed pipelines, or spiral vertical pipes, and the annular pipelines and the latticed pipelines are arranged in a star shape, so that the heat dissipation rate of clinker is improved, the heat absorption process of water and steam is accelerated, and the heat utilization maximization is ensured.
FIG. 2 is a flow chart of a novel process for recycling and comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line provided by the first embodiment of the present invention; as shown in FIG. 2, the utility model provides a pair of novel dry method cement clinker production line high temperature clinker cooling waste heat recovery comprehensive utilization device, the process of carrying out cement production is as follows:
cooling the high-temperature clinker at 1200 ℃ to 500 ℃ by a primary heat exchanger;
crushing the clinker at 500 ℃ into medium-particle clinker with the particle size of 30mm in a first crusher;
the first elevator sends the medium particle clinker to the secondary heat exchanger;
cooling the medium particle clinker to 200 ℃ by a secondary heat exchanger;
the clinker at 200 ℃ is crushed into small-particle clinker with the particle size less than or equal to 10mm in a second crusher;
the second hoister sends the small-particle clinker to the third-stage heat exchanger;
the small particle clinker is cooled to 80 ℃ by the third-stage heat exchanger;
and (4) conveying the clinker at the temperature of 80 ℃ from a discharge port of the tertiary heat exchanger to a clinker storage through a conveyor.
When the novel device for comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-method cement clinker production line provided by the embodiment is used, after the high-temperature clinker at 1200 ℃ enters the feed inlet of the primary heat exchanger 1, the high-temperature clinker is cooled to 500 ℃ after heat exchange is completed in the primary heat exchanger 1, the clinker at 500 ℃ is discharged from the discharge port of the primary heat exchanger 1 and enters the first crusher 6 to be crushed to form medium-particle clinker with the particle size of 30 mm; the medium particle clinker discharged from the first crusher 6 enters a feeding hole of the secondary heat exchanger 2 through the first elevator 4; after heat exchange of the medium-particle clinker is completed in the secondary heat exchanger 2, the medium-particle clinker is cooled to 200 ℃, the clinker at the temperature of 200 ℃ is discharged from a discharge hole of the secondary heat exchanger 2 and enters a second crusher 7 to be crushed, and small-particle clinker with the particle size of less than or equal to 10mm is formed; the small particle clinker discharged from the second crusher 7 enters a feeding hole of the third-stage heat exchanger 3 through a second elevator 5; after finishing heat exchange in the third-stage heat exchanger 3, the small-particle clinker is cooled to 80 ℃, discharged from a discharge port of the third-stage heat exchanger 3 and conveyed to a clinker warehouse for storage through a conveyor 8; in the process, a multistage heat exchange mode is adopted, and the high-temperature clinker can be subjected to graded heat exchange, so that the heat exchange of the high-temperature clinker is more sufficient and uniform, and the heat exchange efficiency is improved.
Example two
On the basis of the first embodiment, the utility model relates to a novel comprehensive utilization device for cooling waste heat of high-temperature clinker in a dry-method cement clinker production line, wherein the water outlet of a tertiary heat exchanger 3 is connected with the water inlet of a secondary heat exchanger 2 through a secondary conveying pipe 9, and the water-vapor mixed outlet of the secondary heat exchanger 2 is connected with the water inlet of a primary heat exchanger 1 through a primary conveying pipe 10;
and a steam outlet of the primary heat exchanger 1 is connected with a steam turbine 12 of an external low-pressure generator set through a steam conveying pipeline 11.
FIG. 3 is a flow chart of a novel process for recycling and comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line provided by the embodiment of the present invention; adopt as shown in fig. 3 the utility model provides a pair of novel dry process cement clinker production line high temperature clinker cooling waste heat recovery comprehensive utilization device carries out the process of cement production, still includes:
softened water at 40 ℃ enters the third-stage heat exchanger through a water inlet of the third-stage heat exchanger, and forms high-temperature saturated vapor at 315 ℃ after sequentially passing through the second-stage conveying pipe, the second-stage heat exchanger, the first-stage conveying pipe and the first-stage heat exchanger; and after the high-temperature saturated water vapor at the temperature of 315 ℃ is discharged from a steam outlet of the primary heat exchanger, the high-temperature saturated water vapor is connected with a steam turbine of an external low-pressure generator set through a steam conveying pipeline.
The novel device for comprehensively utilizing the high-temperature clinker cooling waste heat of the dry-method cement clinker production line can fully play the role of the high-temperature clinker waste heat, when the device is used, softened water at 40 ℃ enters the tertiary heat exchanger 3 from the water inlet at the lower part of the tertiary heat exchanger 3, and is guided into the water inlet at the lower part of the secondary heat exchanger 2 from the water outlet at the upper part of the tertiary heat exchanger 3 through the secondary conveying pipe 9 after being heated to 95 ℃ in the heat exchange process; after waste heat is absorbed in the secondary heat exchanger 2 to form a water-vapor mixture, the mixture is discharged from a water-vapor mixing outlet at the upper part of the secondary heat exchanger 2 and enters the primary heat exchanger 1 through a primary conveying pipe 10; in the heat exchange process, under the action of high-temperature clinker, generating saturated water vapor at 315 ℃, discharging the saturated water vapor from a vapor outlet at the upper part of the primary heat exchanger 1, and conveying the saturated water vapor to a steam turbine 12 of a low-pressure generator set through a steam conveying pipeline 11 for power generation; in the embodiment, the high-temperature clinker pure waste heat can be used for generating power, fuel is not consumed, resources are protected, environmental pollution is reduced, clinker cooling and clean power generation can be realized, energy conservation and consumption reduction of upstream and downstream processes are considered, production efficiency is improved, and the method has the social effects of improving enterprise economic benefits, protecting the environment and saving resources.
EXAMPLE III
On the basis of the first embodiment, the novel device for comprehensively utilizing the cooling waste heat of the high-temperature clinker in the dry-method cement clinker production line, disclosed by the invention, is characterized in that a feeding groove 13 is arranged above the primary heat exchanger 1, a bar gate 15 is arranged at the bottom of the feeding groove 13, and the bar gate 15 enables the high-temperature clinker with the particle size of less than 300mm to enter a feeding hole of the primary heat exchanger 1;
a discharge opening 14 is arranged above the bar gate 15 on the feeding chute 13, and the discharge opening 14 enables high-temperature clinker with the grain diameter larger than or equal to 300mm to be discharged from the discharge opening 14.
FIG. 4 is a flow chart of a novel dry-process cement clinker production line high-temperature clinker cooling waste heat recycling process provided by the third embodiment of the present invention; as shown in FIG. 4, adopt the utility model provides a pair of novel dry process cement clinker production line high temperature clinker cooling waste heat recovery comprehensive utilization device carries out the process of cement production, still includes: further comprising:
the high-temperature clinker entering the primary heat exchanger of the feeding chute is screened through a bar gate arranged on the feeding chute, so that the high-temperature clinker with the grain size less than 300mm enters the feeding port of the primary heat exchanger, and the high-temperature clinker with the grain size more than or equal to 300mm is discharged from the discharging port.
The rod gate in this embodiment can realize the flow control of large granule clinker.
Example four
On the basis of embodiment one, the utility model relates to a novel dry process cement clinker production line high temperature grog cooling waste heat recovery comprehensive utilization device, all be provided with feed valve and discharge valve on one-level heat exchanger 1, second grade heat exchanger 2 and the tertiary heat exchanger 3, close behind feed valve and the discharge valve, make one-level heat exchanger 1, second grade heat exchanger 2, tertiary heat exchanger 3 all form independent space.
When the heat exchanger is used, the feeding valve and the discharging valve are closed, so that the first-stage heat exchanger 1, the second-stage heat exchanger 2 and the third-stage heat exchanger 3 form independent spaces, and maintenance and overhaul are facilitated.
The utility model discloses in, in whole device and the process, solid, liquid, vapour totality adopt the counterflow heat transfer to in the benefit of improvement heat exchange efficiency.
In addition, in order to improve the heat efficiency of the system, the primary heat exchanger 1, the secondary heat exchanger 2 and the tertiary heat exchanger 3 can be inlaid with temperature-resistant and wear-resistant materials with different properties and purposes according to different clinker temperatures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the method, apparatus and system described above are referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the module described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. In addition, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best modes of the invention.
In the embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. The above-described system embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and other divisions may be realized in practice, and for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a novel dry process cement clinker production line high temperature clinker cooling waste heat recovery utilizes multipurposely device which characterized in that: the method comprises the following steps: the heat exchanger comprises a primary heat exchanger (1) with a feeding hole, wherein the primary heat exchanger (1), a secondary heat exchanger (2) and a tertiary heat exchanger (3) are sequentially arranged;
a first hoisting machine (4) is arranged between the primary heat exchanger (1) and the secondary heat exchanger (2), and a second hoisting machine (5) is arranged between the secondary heat exchanger (2) and the tertiary heat exchanger (3);
a first crusher (6) is arranged at a bottom inlet of the first lifter (4), a feed inlet of the first crusher (6) is communicated with a discharge outlet of the primary heat exchanger (1), a discharge outlet of the first crusher (6) is communicated with a bottom inlet of the first lifter (4), and a top outlet of the first lifter (4) is communicated with a feed inlet of the secondary heat exchanger (2);
a second crusher (7) is arranged at a bottom inlet of the second hoister (5), a feed inlet of the second crusher (7) is communicated with a discharge outlet of the secondary heat exchanger (2), a discharge outlet of the second crusher (7) is communicated with a bottom inlet of the second hoister (5), and a top outlet of the second hoister (5) is communicated with a feed inlet of the tertiary heat exchanger (3);
and a discharge hole of the tertiary heat exchanger (3) is connected with a conveyor (8) so that the conveyor (8) can convey the low-temperature clinker output by the tertiary heat exchanger (3) to a clinker warehouse for storage.
2. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: the water outlet of the third-stage heat exchanger (3) is connected with the water inlet of the second-stage heat exchanger (2) through a second-stage conveying pipe (9), and the water-vapor mixing outlet of the second-stage heat exchanger (2) is connected with the water inlet of the first-stage heat exchanger (1) through a first-stage conveying pipe (10);
and a steam outlet of the primary heat exchanger (1) is connected with a steam turbine (12) of an external low-pressure generator set through a steam conveying pipeline (11).
3. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: a feeding groove (13) is arranged above the primary heat exchanger (1), a bar gate (15) is arranged at the bottom of the feeding groove (13), and the bar gate (15) enables high-temperature clinker with the particle size less than 300mm to enter a feeding hole of the primary heat exchanger (1);
a discharge opening (14) is arranged on the feeding groove (13) and above the bar gate (15), and the discharge opening (14) enables high-temperature clinker with the particle size of more than or equal to 300mm to be discharged from the discharge opening (14).
4. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: all be provided with feed valve and ejection of compact valve on one-level heat exchanger (1), second grade heat exchanger (2) and tertiary heat exchanger (3), close behind feed valve and the ejection of compact valve, make one-level heat exchanger (1), second grade heat exchanger (2), tertiary heat exchanger (3) all form independent space.
5. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: the first crusher (6) is a single-rotor impact crusher; the second crusher (7) is a double-roller crusher, or a gyratory cone crusher, or an impact crusher.
6. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: the conveyor (8) is a chain plate vertical conveyor.
7. The novel comprehensive utilization device for recycling the cooling waste heat of the high-temperature clinker in the dry-process cement clinker production line according to claim 1, is characterized in that: the water and steam heat exchange pipelines of the first-stage heat exchanger (1), the second-stage heat exchanger (2) and the third-stage heat exchanger (3) are annular pipelines, or latticed pipelines, or spiral vertical pipes, and the annular pipelines and the latticed pipelines are arranged in a star shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260519.0U CN212315948U (en) | 2020-07-01 | 2020-07-01 | Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260519.0U CN212315948U (en) | 2020-07-01 | 2020-07-01 | Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212315948U true CN212315948U (en) | 2021-01-08 |
Family
ID=74028311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021260519.0U Active CN212315948U (en) | 2020-07-01 | 2020-07-01 | Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212315948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
-
2020
- 2020-07-01 CN CN202021260519.0U patent/CN212315948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101576351A (en) | Vertical sinter ore cooling machine capable of efficiently recycling sensible heat of sinter ores | |
| CN107883776B (en) | Cooling machine and cooling method for efficient composite vertical cement calcination clinker | |
| CN205014851U (en) | Sintering deposit shows heat reclamation device | |
| CN212315948U (en) | Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line | |
| CN111270026A (en) | Blast furnace slag dry type waste heat recovery system and method | |
| CN202511638U (en) | Device for recovering flue gas waste heat generated by industrial heat treatment | |
| CN103234358B (en) | The mineral aggregate system of stove formula cooling sintering deposit waste heat high efficiente callback | |
| CN106482530A (en) | A kind of sintering deposit multipot type heat recovering device and sensible heat recovery method | |
| CN211626048U (en) | Vertical cold waste heat recovery and utilization system for sinter | |
| CN111718138A (en) | Novel dry-process cement clinker production device and process | |
| CN210051061U (en) | Silica powder drying system | |
| CN216132298U (en) | Cooling and waste heat recovery device for producing pellets by shaft furnace | |
| CN203259012U (en) | Furnace type cooling ore charge system capable of efficiently recycling sinter waste heat | |
| CN101307140B (en) | Sectional polyester chip solid phase viscosity-increasing reactor | |
| CN108060280B (en) | Slag granulation and heat utilization method by jet steam method | |
| CN112824819A (en) | Cooling system and method for cement clinker | |
| CN106989608B (en) | Hot air power type granulating metallurgical liquid slag waste heat recovery system and method | |
| CN204535432U (en) | Cement plant kiln hood who knows cooling machine low-temperature flue gas residual neat recovering system | |
| CN108753364A (en) | A kind of biomass positive pressure gasification system | |
| CN205838848U (en) | Powder lime suspension calcining production line | |
| CN210801687U (en) | Low-temperature flue gas waste heat is used for heating refrigeration integration system | |
| CN211316967U (en) | Cooling sensible heat recovery device of large-scale sintering ore | |
| CN211450861U (en) | High-temperature powdery solid cooling and waste heat recovery system | |
| CN109536656B (en) | Granulating system adopting roller pumping drying method | |
| CN102494539B (en) | Cooler cascade air supply method for residual-heat utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |