CN213238389U - Rotary kiln radiant heat recovery system - Google Patents
Rotary kiln radiant heat recovery system Download PDFInfo
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- CN213238389U CN213238389U CN202022399841.8U CN202022399841U CN213238389U CN 213238389 U CN213238389 U CN 213238389U CN 202022399841 U CN202022399841 U CN 202022399841U CN 213238389 U CN213238389 U CN 213238389U
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Abstract
The utility model provides a rotary kiln radiant heat recovery system relates to heat recovery technical field. The rotary kiln radiant heat recovery system comprises: the rotary kiln barrel, first water supply pipeline, the second water supply pipeline, first return water pipeline, heat exchange assembly and system circulation subassembly, the system circulation subassembly provides circulation power for the hydrologic cycle in the system, the circulating water gets into first water supply pipeline through the system circulation subassembly, water in the first water supply pipeline gets into the heat exchange assembly, absorb rotary kiln barrel temperature in the heat exchange subassembly and heat up, get into the second water supply pipeline, get into in heating or life hot water system from the second water supply pipeline, the realization has both been retrieved rotary kiln barrel heat, avoid rotary kiln barrel around the heat island to produce harmful effects to the environment, the reuse of heat energy has been realized again, the heating cost is practiced thrift, solve the heat source problem of bathing of mill and dining room hot water system, and the partial heat source problem of the heating of mill winter.
Description
Technical Field
The utility model relates to a heat recovery technical field especially relates to a rotary kiln radiant heat recovery system.
Background
The rotary kiln is widely applied to cement firing, lime calcining and the like, and in the prior art, in the operation process of the cement rotary kiln, the radiation and convection heat of the surface of a rotary kiln cylinder body facing the environment cause large heat dissipation loss of the surface of the rotary kiln cylinder body, a heat island is formed around the rotary kiln cylinder body, adverse effects are caused to the environment, and meanwhile, the problem of energy waste exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotary kiln radiant heat recovery system is provided, main aim at retrieves rotary kiln barrel heat, avoid the rotary kiln barrel around the heat island to produce harmful effects to the environment, the reuse of heat energy has been realized, practice thrift the heat supply cost, solve the heat source problem of mill's bathing and dining room hot water system, and the partial heat source problem of mill's heating in winter, in addition, can reduce rotary kiln barrel temperature, the influence of heat-conduction to riding wheel tile has been alleviateed, reduce the temperature of riding wheel tile, improve the life of rotary kiln and riding wheel tile, thereby be suitable for the practicality more.
In order to solve the above technical problem, an embodiment of the present invention mainly provides the following technical solutions:
an embodiment of the utility model provides a rotary kiln radiant heat recovery system, include:
a rotary kiln cylinder;
a first water supply pipeline for supplying circulating water before heat exchange;
the second water supply pipeline is used for conveying circulating water after heat exchange;
the first return water pipeline is used for conveying return water returned from the outside of the rotary kiln radiant heat recovery system;
the heat exchange assembly is arranged on the periphery of the rotary kiln cylinder and is communicated with the first water supply pipeline and the second water supply pipeline;
and the system circulation component is arranged between the water inlet end of the first water supply pipeline and the first water return pipeline and is used for supplementing water and providing water circulation power for the rotary kiln radiant heat recovery system.
Optionally, in the above rotary kiln radiant heat recovery system, the heat exchange assembly includes a plurality of groups of radiant hot water pipes, and the plurality of groups of radiant hot water pipes are respectively connected in parallel to the first water supply pipeline and the second water supply pipeline.
Optionally, in the above rotary kiln radiant heat recovery system, the plurality of groups of radiant hot water pipes are sleeved on the outer circumference of the rotary kiln cylinder body, wherein,
the winding circle center of the radiant hot water pipe is coaxial with the surrounding circle center of the rotary kiln cylinder, the surrounding number of the radiant hot water pipe is at least one ring, and a first water inlet and a first water outlet are formed at two free ends of the radiant hot water pipe respectively;
the first water inlet is arranged in the first water supply pipeline, and the first water outlet is arranged in the second water supply pipeline.
Optionally, in the above rotary kiln radiant heat recovery system, the plurality of groups of radiant hot water pipes are disposed in parallel to the outer circumference of the rotary kiln cylinder, wherein,
the radiant hot water pipe comprises:
the radiant hot water pipe comprises a plurality of U-shaped pipelines and connecting elbows, wherein the U-shaped pipelines and the connecting elbows are arranged at intervals, the connecting elbows are connected with any two adjacent U-shaped pipelines, the U-shaped pipelines and the connecting elbows arranged at intervals form a radiant hot water pipe sheet body, and two free ends of the radiant hot water pipe sheet body respectively form a first water inlet and a first water outlet;
the first water inlet is arranged in the first water supply pipeline, and the first water outlet is arranged in the second water supply pipeline.
Optionally, in the above rotary kiln radiant heat recovery system, the system circulation assembly includes:
the water source module is used for providing make-up water for the first water supply pipeline;
a first water replenishing pipeline;
the water replenishing power module is used for directionally pumping water from the water source module to the first water supply pipeline;
a second water replenishing pipeline;
the system circulation module is used for providing water circulation power for the rotary kiln radiant heat recovery system;
the water source module, the first water replenishing pipeline, the water replenishing power module, the second water replenishing pipeline and the system circulation module are sequentially arranged in series along the water flow direction;
wherein the first return water pipeline is connected with the second water replenishing pipeline.
Optionally, in the rotary kiln radiant heat recovery system, the water source module is a water replenishing tank, or the water source module is directly butted with a water supply system;
the water replenishing power module comprises a plurality of groups of water replenishing power components, wherein,
the water replenishing power assemblies are connected in parallel, and the water replenishing power assemblies are sequentially connected in series along the water supply direction and are provided with a first gate valve, a first water pump, a first check valve and a second gate valve.
Optionally, in the above rotary kiln radiant heat recovery system, the system circulation module includes:
the standby pipeline is provided with a second check valve;
the system comprises a plurality of sets of system circulation assemblies, wherein the plurality of sets of system circulation assemblies are connected with the standby pipeline in parallel, and the system circulation assemblies are sequentially and serially provided with a third gate valve, a second water pump, a third check valve and a fourth gate valve along the water supply direction.
Optionally, in the above rotary kiln radiant heat recovery system, the system further includes:
a thermometer;
the thermometer and the pressure gauge are arranged in the first water supply pipeline, the second water supply pipeline, the water supplementing power module and the system circulation module;
the pressure alarm is electrically connected with the pressure gauge;
the temperature alarm is electrically connected with the thermometer;
and a safety valve is arranged on a water inlet pipe of the first water supply pipeline.
Optionally, in the above rotary kiln radiant heat recovery system, the system further includes:
an exhaust valve and a drain valve,
the exhaust valve and the drain valve are respectively arranged in the first water supply pipeline and the second water supply pipeline;
or the exhaust valve and the drain valve are simultaneously arranged in at least one of the first water supply pipeline and the second water supply pipeline.
Optionally, in the above rotary kiln radiant heat recovery system, the water outlet end of the second water supply pipeline and the water inlet end of the first water return pipeline are connected to a plant heating system and a water supply system.
Compared with the prior art, the utility model discloses technical scheme provides a rotary kiln radiant heat recovery system has following advantage at least:
the embodiment of the utility model provides a pair of rotary kiln radiant heat recovery system, include: rotary kiln barrel, first water supply pipe, second water supply pipe, first return water pipeline, heat exchange assembly and system circulation subassembly, the rotary kiln is by extensive being applied to cement firing, and the rotary cement kiln is at the in-process of operation, and the barrel of rotary kiln can high-temperature heating, leads to barrel surface to form high temperature, and rotary kiln radiant heat recovery system exchanges and utilizes the rotary kiln barrel to the temperature of environment thermal radiation. The first water supply pipeline is used for conveying the heat-circulating water supply; the second water supply pipeline is used for conveying return water of thermal cycle; the first return water pipeline is used for returning return water of the thermal cycle; the heat exchange assembly is arranged on the rotary kiln cylinder, the heat exchange assembly bears circulating water of a rotary kiln radiant heat recovery system, the heat of the rotary kiln cylinder is exchanged and absorbed in the water circulation process, and the heat exchange assembly is communicated with the first water supply pipeline and the second water supply pipeline; the system circulation component is arranged between the water inlet end of the first water supply pipeline and the first water return pipeline and used for supplying water and providing water circulation power for the rotary kiln radiant heat recovery system, one part of water in the whole rotary kiln radiant heat recovery system circularly enters the rotary kiln radiant heat recovery system from the first water return pipeline, the other part of water is supplied and enters the rotary kiln radiant heat recovery system from the system circulation component, the system circulation component provides circulation power for the water circulation of the rotary kiln radiant heat recovery system, the circulating water enters the first water supply pipeline through the system circulation component, because the heat exchange component is communicated with the first water supply pipeline and the second water supply pipeline, the water in the first water supply pipeline enters the heat exchange component under the action of the water circulation pressure of the circulation system, the temperature of the rotary kiln barrel is absorbed in the heat exchange component and then is raised, and the raised water enters the second water supply pipeline, get into heating or life hot-water heating system from the second water supply pipe, the realization had both retrieved the heat of rotary kiln barrel to environmental radiation and convection current, form the heat island around avoiding the rotary kiln barrel, produce harmful effects to the environment, the reuse of heat energy has been realized again, practice thrift the heat supply cost, the heat source problem of bathing and dining room hot-water heating system of solution mill, and the partial heat source problem of mill's winter heating, in addition, can reduce rotary kiln barrel temperature, alleviateed the influence of heat-conduction to the riding wheel tile, reduce the temperature of riding wheel tile, improve the life of rotary kiln and riding wheel tile.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the embodiments of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
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 structural view of a radiant heat recovery system of a rotary kiln according to an embodiment of the present invention;
fig. 2 is a first layout structure of the heat exchange assembly according to the embodiment of the present invention;
fig. 3 is a second arrangement structure of the heat exchange assembly according to the embodiment of the present invention;
fig. 4 is a third arrangement structure of the heat exchange assembly according to the embodiment of the present invention;
the reference numerals in fig. 1 to 4 include:
10-rotary kiln cylinder, 20-first water supply pipeline, 30-second water supply pipeline, 40-first water return pipeline, 50-heat exchange component, 51-radiant hot water pipe, 60-system circulation component, 61-water source module, 62-first water replenishing pipeline, 63-water replenishing power module, 631-first gate valve, 632-first water pump, 633-first check valve, 634-second gate valve, 64-second water replenishing pipeline, 65-system circulation module, 651-second check valve, 652-third gate valve, 653-second water pump, 654-third check valve, 655-fourth gate valve, 70-thermometer, 80-pressure gauge, 90-safety valve, 91-exhaust valve, 92-drain valve.
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.
Examples
Fig. 1 to fig. 4 illustrate an embodiment of a radiant heat recovery system of a rotary kiln according to the present invention.
As shown in fig. 1 to 4, the utility model provides a rotary kiln radiant heat recovery system, including: the rotary kiln comprises a rotary kiln cylinder body 10, a first water supply pipeline 20, a second water supply pipeline 30, a first water return pipeline 40, a heat exchange assembly 50 and a system circulation assembly 60, wherein the first water supply pipeline 20 is used for conveying circulating water before heat exchange; the second water supply pipeline 30 is used for conveying circulating water after heat exchange; the first return water pipeline 40 is used for conveying return water returning from the outside of the rotary kiln radiant heat recovery system to the inside of the rotary kiln radiant heat recovery system; the heat exchange assembly 50 is arranged on the periphery of the rotary kiln cylinder 10, and the heat exchange assembly 50 is communicated with the first water supply pipeline 20 and the second water supply pipeline 30; the system circulation assembly 60 is disposed between the water inlet end of the first water supply pipeline 20 and the first water return pipeline 40, and is used for supplying water and providing water circulation power to the rotary kiln radiant heat recovery system.
In a specific implementation, the rotary kiln radiant heat recovery system comprises: the rotary kiln comprises a rotary kiln barrel 10, a first water supply pipeline 20, a second water supply pipeline 30, a first water return pipeline 40, a heat exchange assembly 50 and a system circulation assembly 60, wherein the rotary kiln is widely applied to cement firing, the rotary kiln barrel can be heated at high temperature in the operation process of the rotary cement kiln, so that the surface of the rotary kiln barrel is heated at high temperature, and the rotary kiln radiant heat recovery system exchanges and utilizes the temperature of the rotary kiln barrel 10 radiating heat to the environment.
Specifically, heat on the surface of the cylinder is exchanged and taken away through water circulation, the heat exchange assembly 50 is arranged on the periphery of the rotary kiln cylinder 10, circulating water of a rotary kiln radiant heat recovery system is borne in the heat exchange assembly 50, heat of the rotary kiln cylinder is exchanged and absorbed in the water circulation process, part of the circulating water in the whole rotary kiln radiant heat recovery system circularly enters the rotary kiln radiant heat recovery system from the first water return pipe 40, the other part of the circulating water is replenished into the rotary kiln radiant heat recovery system from the system circulation assembly 60, the system circulation assembly 60 provides circulating power for the water circulation of the rotary kiln radiant heat recovery system, water enters the first water supply pipe 20 through the system circulation assembly 60, and as the heat exchange assembly 50 is communicated with the first water supply pipe 20 and the second water supply pipe 30, the water in the first water supply pipe 20 enters the heat exchange assembly 50 under the effect of circulating system water circulation pressure, the temperature of the rotary kiln cylinder 10 is absorbed in the heat exchange component 50 and then is raised, the raised water enters the second water supply pipeline 30 and enters a heating or domestic hot water system from the second water supply pipeline 30, so that the heat of the rotary kiln cylinder 10 for environmental radiation and convection is recycled, a heat island is prevented from being formed around the rotary kiln cylinder 10, adverse effects on the environment are avoided, the heat energy is recycled, the heat supply cost is saved, the heat source problem of a factory bathing and dining room hot water system and part of the heat source problem of the factory heating in winter are solved, the temperature of the rotary kiln cylinder 10 is reduced, the influence of heat conduction on the riding wheel tiles is reduced, the temperature of the riding wheel tiles is reduced, and the service lives of the rotary kiln and the riding wheel tiles are prolonged.
As shown in fig. 1 to 4, in an implementation, the heat exchange assembly 50 includes a plurality of sets of radiant hot water pipes 51, and the sets of radiant hot water pipes 51 are respectively connected in parallel to the first water supply pipeline 20 and the second water supply pipeline 30.
Specifically, the heat exchange assembly 50 includes a plurality of groups of radiant hot water pipes 51, and each group of radiant hot water pipes 51 is respectively connected in parallel to the first water supply pipeline 20 and the second water supply pipeline 30, so that water diversion of the first water supply pipeline 20 is realized, heat exchange is better realized, water heating efficiency in the system is improved, and the water in the system is ensured to be heated more quickly in unit time.
As shown in fig. 2, in a specific implementation, the plurality of groups of radiant hot water pipes 51 are sleeved around the outer periphery of the rotary kiln cylinder 10, wherein a winding circle center of the radiant hot water pipes 51 is coaxial with an encircling circle center of the rotary kiln cylinder 10, the encircling number of the radiant hot water pipes 51 is at least one ring, and two free ends of the radiant hot water pipes 51 respectively form a first water inlet and a first water outlet; the first water inlet is arranged in the first water supply pipeline 20, and the first water outlet is arranged in the second water supply pipeline 30.
Specifically, a plurality of groups of radiant hot water pipes 51 are sleeved on the periphery of the rotary kiln cylinder 10 in a sleeved mode, the winding circle center of each radiant hot water pipe 51 is coaxial with the surrounding circle center of the rotary kiln cylinder 10, a plurality of ring groups wound on the periphery of the rotary kiln cylinder 10 are formed, the number of the surrounding radiant hot water pipes 51 is at least one, the radiant hot water pipes 51 uniformly surround the periphery of the rotary kiln, on one hand, the heat exchange uniformity of circulating water in the radiant hot water pipes 51 is facilitated, on the other hand, the heat exchange is continued in the circulating process of the circulating water, and the heat exchange efficiency is improved.
As shown in fig. 3 to 4, in a specific implementation, the plurality of groups of radiant hot water pipes 51 are disposed parallel to the outer circumference of the rotary kiln cylinder 10, wherein the radiant hot water pipes 51 include: the radiant hot water pipe 51 comprises a plurality of U-shaped pipelines and connecting elbows, wherein the U-shaped pipelines and the connecting elbows are arranged at intervals, the connecting elbows are connected with any two adjacent U-shaped pipelines, the U-shaped pipelines and the connecting elbows arranged at intervals form a radiant hot water pipe 51 sheet body, and two free ends of the radiant hot water pipe 51 sheet body respectively form a first water inlet and a first water outlet; the first water inlet is arranged in the first water supply pipeline 20, and the first water outlet is arranged in the second water supply pipeline 30.
Specifically, a plurality of groups of radiant hot water pipes 51 are parallel to the rotary kiln barrel 10 periphery is placed, and radiant hot water pipe 51 lamellar body is constituteed with the connecting bend for the U style of calligraphy pipeline that a plurality of intervals set up to radiant hot water pipe 51, and the spaced encircleing of every group lamellar body arranges in rotary kiln barrel 10 periphery, or every group lamellar body is arranged along rotary kiln barrel 10 extending direction interval in proper order, has guaranteed to arrange the circulating water in radiant hot water pipe 51 in and can receive the heat radiation to be heated.
In one implementation, as shown in fig. 1, the system cycle assembly 60 includes: the system comprises a water source module 61, a first water replenishing pipeline 62, a water replenishing power module 63, a second water replenishing pipeline 64 and a system circulation module 65, wherein the water source module 61 is used for providing replenishing water for the first water supply pipeline 20; the water supplementing power module 63 is used for directionally pumping water from the water source module 61 to the first water supply pipeline 20; the system circulation module 65 is used for providing water circulation power for the rotary kiln radiant heat recovery system; the water source module 61, the first water replenishing pipeline 62, the water replenishing power module 63, the second water replenishing pipeline 64 and the system circulation module 65 are sequentially arranged in series along the water flow direction; wherein the first return water pipe 40 is connected to the second water replenishing pipe 64.
Specifically, the system circulation assembly 60 includes a water source module 61, a first water replenishing pipeline 62, a water replenishing power module 63, a second water replenishing pipeline 64 and a system circulation module 65, which are sequentially arranged in series along the water flow direction, the water source module 61 is used for providing replenishing water for the first water supply pipeline 20, so as to avoid unstable pressure in the whole rotary kiln radiant heat recovery system due to water shortage in the rotary kiln radiant heat recovery system, the water replenishing power module 63 is used for directionally pumping water from the water source module 61 to the first water supply pipeline 20, the system circulation module 65 is used for providing water circulation power for the rotary kiln radiant heat recovery system, the circulating water in the whole rotary kiln radiant heat recovery system can be directionally circulated under the driving of the water replenishing power module 63 and the system circulation module 65, so that the heat of the rotary kiln cylinder 10 is continuously exchanged and absorbed, and a complete heat transfer system is formed.
In a specific implementation, as shown in fig. 1, the water source module 61 is a water replenishing tank, or the water source module 61 is directly connected to a water supply system; moisturizing power module 63 includes a plurality of groups moisturizing power component, wherein, a plurality of groups moisturizing power component are parallelly connected, moisturizing power component has arranged first gate valve 631, first water pump 632, first check valve 633 and second gate valve 634 along the direction that supplies water in proper order in series.
Specifically, the water source module 61 may be a water replenishing tank, or may be directly connected to a water supply system, such as a water source system such as tap water; moisturizing power module 63 includes the parallelly connected moisturizing power component of a plurality of groups, every group moisturizing power component is along the hydrologic cycle direction of supplying water series arrangement first gate valve 631 in proper order, first water pump 632, first check valve 633 and second gate valve 634, first water pump 632 can be with the water suction in the water source module 61 in the water circulation pipeline of rotary kiln radiant heat recovery system, the disappearance water yield in the supply pipeline, first gate valve 631 and second gate valve 634 can in time close the gate valve when first water pump 632 goes wrong, the convenience is overhauld first water pump 632, the circulating water refluence in the system can be avoided to first check valve 633 simultaneously.
In particular implementation, as shown in fig. 1, the system circulation module 65 includes: a standby pipeline and a plurality of sets of system circulation assemblies 60, said plurality of sets of system circulation assemblies 60 being connected in parallel with said standby pipeline, said standby pipeline being provided with a second check valve 651; the plurality of sets of system circulation assemblies 60 are connected in parallel, and the system circulation assemblies 60 are sequentially and serially arranged with a third gate valve 652, a second water pump 653, a third check valve 654 and a fourth gate valve 655 along the water supply direction.
Specifically, the system circulation module 65 includes: the system comprises a standby pipeline and a plurality of sets of system circulating components 60, wherein the plurality of sets of system circulating components 60 are connected with the standby pipeline in parallel, the standby pipeline is provided with a second check valve 651, so that the standby pipeline can still normally convey even if the plurality of sets of system circulating components 60 break down, and the second check valve 651 can prevent circulating water in the rotary kiln radiant heat recovery system from flowing backwards; in addition, the system circulation assembly 60 is sequentially and serially provided with a third gate valve 652, a second water pump 653, a third check valve 654 and a fourth gate valve 655 along the water supply direction, the third gate valve 652 and the fourth gate valve 655 can timely close the gate valves when the second water pump 653 has problems, the second water pump 653 is convenient to overhaul, and meanwhile, the third check valve 654 can avoid the backflow of circulating water in the system.
As shown in fig. 1, in an implementation, the radiant heat recovery system of the rotary kiln further includes: the temperature gauge 70 and the pressure gauge 80 are arranged in the first water supply pipeline 20, the second water supply pipeline 30, the water supplementing power module 63 and the system circulation module 65; the pressure alarm is electrically connected with the pressure gauge 80; the temperature alarm is electrically connected with the thermometer 70; the inlet conduit of the first water supply conduit 20 is provided with a safety valve 90.
Specifically, the rotary kiln radiant heat recovery system further includes: the temperature gauge 70 and the pressure gauge 80 are arranged in the first water supply pipeline 20, the second water supply pipeline 30, the water replenishing power module 63 and the system circulation module 65, the pressure alarm is electrically connected with the pressure gauge 80, the temperature alarm is electrically connected with the temperature gauge 70, and the pressure alarm and the temperature alarm are provided with audible and visual warning prompts. The safety valve 90, the pressure alarm and the temperature alarm can be controlled electrically or mechanically, and can be operated conveniently when in use.
As shown in fig. 1, in an implementation, the radiant heat recovery system of the rotary kiln further includes: an exhaust valve 91 and a drain valve 92, the exhaust valve 91 and the drain valve 92 being disposed in the first water supply pipeline 20 and the second water supply pipeline 30, respectively; alternatively, the exhaust valve 91 and the drain valve 92 are disposed in at least one of the first water supply pipeline 20 and the second water supply pipeline 30 at the same time.
Specifically, the rotary kiln radiant heat recovery system further includes: exhaust valve 91 and drain valve 92, exhaust valve 91 and drain valve 92 set up on the trunk line, and when the alarm of pressure on the whole rotary kiln radiant heat recovery system appears abnormal alarm, can control opening and closing of exhaust valve 91 and drain valve 92, the pressure in the regulation and control system makes it arrange in safety range, guarantees entire system's safety.
In an implementation, as shown in fig. 1, the water outlet end of the second water supply pipeline 30 and the water inlet end of the first water return pipeline 40 are connected to a plant heating system and a water supply system.
Specifically, the water outlet end of the second water supply pipeline 30 and the water inlet end of the first water return pipeline 40 are connected with a plant heating system and a water supply system, after the pressure of a water pump in the system circulation component 60 is increased, circulating water passes through a pipeline, absorbs the radiant heat of the rotary kiln cylinder 10 through the heat exchange component 50, and returns to the system after sufficient heat exchange, and flows in a circulating manner. The water outlet end of the second water supply pipeline 30 can be connected to a heating system for heat supply in winter after absorbing heat at the heat exchange component 50, can be used for heating boiler water supply in summer, fully recovers waste heat in the operation of the rotary kiln, realizes the recovery and reutilization of heat energy, effectively reduces the ambient temperature, reduces the influence of the rotary cement kiln on the environment, and also saves the heat supply cost.
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 devices described above may be 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.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed apparatus should not be construed to reflect the intent as follows: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the components of the apparatus of the embodiments may be adapted and arranged in one or more arrangements different from the embodiments. The components of the embodiments may be combined into one component and, in addition, they may be divided into a plurality of sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the components of any apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination. The various component embodiments of the present invention may be implemented in hardware, or in a combination thereof.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or components not listed in a claim. The word "a" or "an" preceding a component or element does not exclude the presence of a plurality of such components or elements. The present invention can be implemented with the aid of a device comprising a number of different components. In the claims enumerating several means, several of these means may be embodied by one and the same item. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
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 rotary kiln radiant heat recovery system, comprising:
a rotary kiln cylinder;
a first water supply pipeline for supplying circulating water before heat exchange;
the second water supply pipeline is used for conveying circulating water after heat exchange;
the first return water pipeline is used for conveying return water returned from the outside of the rotary kiln radiant heat recovery system;
the heat exchange assembly is arranged on the periphery of the rotary kiln cylinder and is communicated with the first water supply pipeline and the second water supply pipeline;
and the system circulation component is arranged between the water inlet end of the first water supply pipeline and the first water return pipeline and is used for supplementing water and providing water circulation power for the rotary kiln radiant heat recovery system.
2. The rotary kiln radiant heat recovery system as recited in claim 1,
the heat exchange assembly comprises a plurality of groups of radiant hot water pipes which are respectively connected in parallel with the first water supply pipeline and the second water supply pipeline.
3. The rotary kiln radiant heat recovery system as recited in claim 2,
the plurality of groups of radiant hot water pipes are sleeved on the periphery of the rotary kiln cylinder body in a sleeving manner,
the winding circle center of the radiant hot water pipe is coaxial with the surrounding circle center of the rotary kiln cylinder, the surrounding number of the radiant hot water pipe is at least one ring, and a first water inlet and a first water outlet are formed at two free ends of the radiant hot water pipe respectively;
the first water inlet is arranged in the first water supply pipeline, and the first water outlet is arranged in the second water supply pipeline.
4. The rotary kiln radiant heat recovery system as recited in claim 2,
the plurality of groups of radiant hot water pipes are arranged in parallel with the periphery of the rotary kiln cylinder body, wherein,
the radiant hot water pipe comprises:
the radiant hot water pipe comprises a plurality of U-shaped pipelines and connecting elbows, wherein the U-shaped pipelines and the connecting elbows are arranged at intervals, the connecting elbows are connected with any two adjacent U-shaped pipelines, the U-shaped pipelines and the connecting elbows arranged at intervals form a radiant hot water pipe sheet body, and two free ends of the radiant hot water pipe sheet body respectively form a first water inlet and a first water outlet;
the first water inlet is arranged in the first water supply pipeline, and the first water outlet is arranged in the second water supply pipeline.
5. The rotary kiln radiant heat recovery system as recited in claim 1,
the system circulation assembly, comprising:
the water source module is used for providing make-up water for the first water supply pipeline;
a first water replenishing pipeline;
the water replenishing power module is used for directionally pumping water from the water source module to the first water supply pipeline;
a second water replenishing pipeline;
the system circulation module is used for providing water circulation power for the rotary kiln radiant heat recovery system;
the water source module, the first water replenishing pipeline, the water replenishing power module, the second water replenishing pipeline and the system circulation module are sequentially arranged in series along the water flow direction;
wherein the first return water pipeline is connected with the second water replenishing pipeline.
6. The rotary kiln radiant heat recovery system as recited in claim 5,
the water source module is a water replenishing tank, or the water source module is directly butted with a water supply system;
the water replenishing power module comprises a plurality of groups of water replenishing power components, wherein,
the water replenishing power assemblies are connected in parallel, and the water replenishing power assemblies are sequentially connected in series along the water supply direction and are provided with a first gate valve, a first water pump, a first check valve and a second gate valve.
7. The rotary kiln radiant heat recovery system as recited in claim 5,
the system circulation module comprises:
the standby pipeline is provided with a second check valve;
the system comprises a plurality of sets of system circulation assemblies, wherein the plurality of sets of system circulation assemblies are connected with the standby pipeline in parallel, and the system circulation assemblies are sequentially and serially provided with a third gate valve, a second water pump, a third check valve and a fourth gate valve along the water supply direction.
8. The rotary kiln radiant heat recovery system as claimed in claim 7, further comprising:
a thermometer;
a pressure gauge, wherein the thermometer and the pressure gauge are arranged in the first water supply pipeline、The second water supply pipeline, the water supplementing power module and the system circulation module;
the pressure alarm is electrically connected with the pressure gauge;
the temperature alarm is electrically connected with the thermometer;
and a safety valve is arranged on a water inlet pipe of the first water supply pipeline.
9. The rotary kiln radiant heat recovery system as claimed in claim 7, further comprising:
an exhaust valve and a drain valve,
the exhaust valve and the drain valve are respectively arranged in the first water supply pipeline and the second water supply pipeline;
or the exhaust valve and the drain valve are simultaneously arranged in at least one of the first water supply pipeline and the second water supply pipeline.
10. The rotary kiln radiant heat recovery system as recited in claim 1,
and the water outlet end of the second water supply pipeline and the water inlet end of the first water return pipeline are connected with a plant heating system and a water supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022399841.8U CN213238389U (en) | 2020-10-26 | 2020-10-26 | Rotary kiln radiant heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022399841.8U CN213238389U (en) | 2020-10-26 | 2020-10-26 | Rotary kiln radiant heat recovery system |
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| Publication Number | Publication Date |
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| CN213238389U true CN213238389U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022399841.8U Active CN213238389U (en) | 2020-10-26 | 2020-10-26 | Rotary kiln radiant heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238389U (en) |
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2020
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