CN209763770U - Rotary kiln assembly and rotary kiln waste heat recovery device - Google Patents
Rotary kiln assembly and rotary kiln waste heat recovery device Download PDFInfo
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- CN209763770U CN209763770U CN201822233507.8U CN201822233507U CN209763770U CN 209763770 U CN209763770 U CN 209763770U CN 201822233507 U CN201822233507 U CN 201822233507U CN 209763770 U CN209763770 U CN 209763770U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a rotary kiln assembly and a rotary kiln waste heat recovery device; the rotary kiln waste heat recovery device comprises a heat-insulating cover sleeved on the outer side of a rotary kiln body, a support for supporting the heat-insulating cover and heat collection water pipes for absorbing heat emitted by the rotary kiln body, and further comprises heat collection water pipe installation rings sleeved on the outer side of the rotary kiln body, the heat collection water pipe installation rings are more than two, each heat collection water pipe installation ring is arranged at intervals along the extension direction of the central line of the heat-insulating cover, the heat-insulating cover is connected with each heat collection water pipe installation ring through a fixing rod, a cross beam is arranged below the heat collection water pipe installation rings on the support, a support rod for supporting the heat collection water pipe installation rings is arranged on the cross beam, and the heat collection water. Compared with the prior art, the support has the advantages that the support supporting effect is remarkable, the supporting force applied to the heat collecting water pipe mounting ring is uniform, and the stability of the rotary kiln waste heat recovery device is high.
Description
Technical Field
The utility model belongs to the technical field of rotary kiln waste heat recovery, concretely relates to rotary kiln assembly and rotary kiln waste heat recovery device.
Background
the conventional rotary kiln has the working height of 1000 ℃, a cold air unit is used for blowing cold air to the surface of a rotary kiln body for forced cooling in the past, heat exchange with the surface of the rotary kiln body is realized through forced convection of the air, hot air with higher temperature directly dissipates after heat exchange, heat waste of the rotary kiln body is caused, heat pollution is caused to the environment, and the refrigeration cost of the rotary kiln body is increased. In view of the above problems, a heat collecting water pipe is generally arranged at the periphery of the rotary kiln body, water flow is used as a cooling medium to recover waste heat on the surface of the rotary kiln body and heat of surrounding hot air, and water is changed into steam or hot water to be applied to heating or hot water supply and the like.
the utility model discloses a chinese utility model patent that bulletin number is CN206989721U, bulletin date is 2018.02.09 discloses a cement rotary kiln waste heat recovery device, including the kiln body and support, kiln body top is equipped with the thermal-arrest cover with kiln body coaxial arrangement, be provided with upper thermal-arrest water pipe and lower floor's thermal-arrest water pipe in the thermal-arrest cover, double-deck thermal-arrest water pipe is snakelike thermal-arrest water pipe, lower floor's thermal-arrest water pipe's skin is equipped with corrosion resistant plate, and upper and lower floor's thermal-arrest water pipe welds on corrosion resistant plate, one side that corrosion resistant plate is close to the kiln body scribbles the coating, one side that the kiln body was kept away from to corrosion resistant plate is equipped with upper thermal-arrest water pipe, and the skin of upper thermal-arrest water pipe is equipped with the heat preservation cover by ceramic fiber board preparation, hinders upper. The rotary cement kiln waste heat recovery device that provides among the above-mentioned technical scheme, its simple structure designs double-deck thermal-arrest water pipe, and upper strata thermal-arrest water pipe absorbs the heat of coated corrosion resistant plate, plays the effect of preheating cold water, directly absorbs the kiln body radiant heat when hydrologic cycle gets into lower floor's thermal-arrest water pipe, has obviously increased the heat absorption capacity of water, has improved rotary cement kiln waste heat recovery's efficiency.
but the problems are that: the heat collecting water pipe is welded on the stainless steel plate, two straight line side edges of the stainless steel plate are connected on the support, the connecting position of the support and the stainless steel is few, the strength required by the stainless steel plate is high, the weight of the structure of the stainless steel plate-heat collecting water pipe (heat collecting water pipe mounting ring-heat collecting water pipe) is large, and meanwhile, the structure of the ceramic fiber plate-color steel plate (heat preservation cover) is the same as the structure of the stainless steel plate-heat collecting water pipe, so that the stability of the support for supporting the heat collecting cover is low. In addition, the connection form of the stainless steel plate and the support leads the heat collecting water pipe to be only concentrated on the periphery of the upper half part of the rotary kiln, the heat recovery effect of the surface of the lower half part of the rotary kiln is poor, and the heat recovery efficiency is low.
Disclosure of Invention
The utility model aims to provide a rotary kiln waste heat recovery device, which is used for solving the problems of larger self weight of a heat collecting water pipe mounting ring and low stability of a support supporting the heat collecting water pipe mounting ring; an object of the utility model is also to provide a rotary kiln assembly.
in order to achieve the above object, the utility model discloses a rotary kiln waste heat recovery device adopts following technical scheme: the rotary kiln waste heat recovery device comprises a heat-insulating cover sleeved on the outer side of a rotary kiln body, a support for supporting the heat-insulating cover and heat collection water pipes for absorbing heat emitted by the rotary kiln body, and further comprises heat collection water pipe installation rings sleeved on the outer side of the rotary kiln body, the heat collection water pipe installation rings are more than two, each heat collection water pipe installation ring is arranged at intervals along the extension direction of the central line of the heat-insulating cover, the heat-insulating cover is connected with each heat collection water pipe installation ring through a fixing rod, a cross beam is arranged below the heat collection water pipe installation rings on the support, a support rod for supporting the heat collection water pipe installation rings is arranged on the cross beam, and the heat collection water.
Has the advantages that: the heat preservation cover prevents the hot air around the rotary kiln body and scatters, and the heat collecting water pipe is installed on each heat collecting water pipe mounting ring, and the heat absorption scope of heat collecting water pipe is great, compares in current heat collecting water pipe arrangement form, and heat recovery efficiency is higher. In addition, the heat collection water pipe installation ring is supported through the supporting rods on the cross beam, and the fixing rods are arranged between the heat collection water pipe installation ring and the heat preservation cover. In addition, the heat collecting water pipe is arranged on more than two heat collecting water pipe mounting rings, and compared with the existing stainless steel plate, the heat collecting water pipe is lighter in self weight and convenient to support.
Furthermore, the number of the supporting rods on each cross beam is more than two, any pair of supporting rods is symmetrically arranged along the vertical plane where the central line of the heat-insulating cover is located, one end of each supporting rod is detachably arranged on the cross beam, and the other end of each supporting rod is welded on the heat-collecting water pipe mounting ring. The bracing piece symmetry sets up, guarantees that the focus of thermal-arrest water pipe installation circle is close to the crossbeam middle part, avoids the thermal-arrest water pipe installation circle to heels, and in addition, when the bracing piece provides the holding power, the dead weight is lighter, and the support supporting effect is showing, can dismantle between bracing piece and the crossbeam to be connected, makes things convenient for the later stage to change thermal-arrest water pipe installation circle.
Furthermore, the number of the fixing rods is more than two, the fixing rods are formed by angle steel, the fixing rods are arranged at intervals around the central line of the heat preservation cover, one end of any fixing rod is welded on the heat preservation cover, and the other end of the fixing rod is welded on the heat collection water pipe mounting ring. The fixing rod is connected with the heat preservation cover and the heat collecting water pipe installation ring, the structure is compact, the fixing rods are arranged at the periphery of the heat collecting water pipe installation ring at intervals, the stress is uniform, in addition, the fixing rods are made of angle steel, the cost is lower, and the manufacture is convenient.
Furthermore, a through hole is formed in the heat collecting water pipe installation ring, a U-shaped pipe clamp is inserted into the through hole in a penetrating mode, threads are arranged on the straight line portion of the U-shaped pipe clamp, a nut matched with the threads is sleeved on the straight line portion, and the heat collecting water pipe is fixedly installed on the heat collecting water pipe installation ring through the U-shaped pipe clamp. The heat collecting water pipe is convenient to disassemble and assemble, the heat collecting water pipe is fixed firmly, and meanwhile, the distribution density of the heat collecting water pipe on the heat collecting water pipe mounting ring is convenient to adjust.
Furthermore, the heat collecting water pipe installation ring comprises two semicircular ring bodies, each ring body is formed by bending angle steel, two ends of each ring body are respectively provided with a connecting end, one connecting end on one ring body is fixedly connected with one connecting end on the other ring body through a bolt, and the other two connecting ends are fixedly connected through a bolt. The heat collection water pipe installation ring is composed of two ring bodies, the rotary kiln body is convenient to sleeve, each ring body is formed by bending angle steel, the structure is stable, the heat collection water pipe installation ring is prevented from being deformed, and the bearing capacity of the heat collection water pipe installation ring is improved.
The utility model discloses a rotary kiln assembly adopts following technical scheme: the rotary kiln assembly comprises a rotary kiln body and a rotary kiln waste heat recovery device sleeved on the outer side of the rotary kiln body, the rotary kiln waste heat recovery device comprises a heat-insulating cover sleeved on the outer side of the rotary kiln body, a support used for supporting the heat-insulating cover and a heat-collecting water pipe used for absorbing heat emitted by the rotary kiln body, the rotary kiln waste heat recovery device further comprises a heat-collecting water pipe mounting ring sleeved on the outer side of the rotary kiln body, the heat-collecting water pipe mounting ring is more than two, each heat-collecting water pipe mounting ring is arranged at intervals along the extension direction of the central line of the heat-insulating cover, the heat-insulating cover is connected with each heat-collecting water pipe mounting ring through a fixing rod, a cross beam is arranged below the heat-collecting water pipe.
has the advantages that: the heat preservation cover prevents the hot air around the rotary kiln body and scatters, and the heat collecting water pipe is installed on each heat collecting water pipe mounting ring, and the heat absorption scope of heat collecting water pipe is great, compares in current heat collecting water pipe arrangement form, and heat recovery efficiency is higher. In addition, the heat collection water pipe installation ring is supported through the supporting rods on the cross beam, and the fixing rods are arranged between the heat collection water pipe installation ring and the heat preservation cover. In addition, the heat collecting water pipe is arranged on more than two heat collecting water pipe mounting rings, and compared with the existing stainless steel plate, the heat collecting water pipe is lighter in self weight and convenient to support.
Furthermore, the number of the supporting rods on each cross beam is more than two, any pair of supporting rods is symmetrically arranged along the vertical plane where the central line of the heat-insulating cover is located, one end of each supporting rod is detachably arranged on the cross beam, and the other end of each supporting rod is welded on the heat-collecting water pipe mounting ring. The bracing piece symmetry sets up, guarantees that the focus of thermal-arrest water pipe installation circle is close to the crossbeam middle part, avoids the thermal-arrest water pipe installation circle to heels, and in addition, when the bracing piece provides the holding power, the dead weight is lighter, and the support supporting effect is showing, can dismantle between bracing piece and the crossbeam to be connected, makes things convenient for the later stage to change thermal-arrest water pipe installation circle.
Furthermore, the number of the fixing rods is more than two, the fixing rods are formed by angle steel, the fixing rods are arranged at intervals around the central line of the heat preservation cover, one end of any fixing rod is welded on the heat preservation cover, and the other end of the fixing rod is welded on the heat collection water pipe mounting ring. The fixing rod is connected with the heat preservation cover and the heat collecting water pipe installation ring, the structure is compact, the fixing rods are arranged at the periphery of the heat collecting water pipe installation ring at intervals, the stress is uniform, in addition, the fixing rods are made of angle steel, the cost is lower, and the manufacture is convenient.
Furthermore, a through hole is formed in the heat collecting water pipe installation ring, a U-shaped pipe clamp is inserted into the through hole in a penetrating mode, threads are arranged on the straight line portion of the U-shaped pipe clamp, a nut matched with the threads is sleeved on the straight line portion, and the heat collecting water pipe is fixedly installed on the heat collecting water pipe installation ring through the U-shaped pipe clamp. The heat collecting water pipe is convenient to disassemble and assemble, the heat collecting water pipe is fixed firmly, and meanwhile, the distribution density of the heat collecting water pipe on the heat collecting water pipe mounting ring is convenient to adjust.
Furthermore, the heat collecting water pipe installation ring comprises two semicircular ring bodies, each ring body is formed by bending angle steel, two ends of each ring body are respectively provided with a connecting end, one connecting end on one ring body is fixedly connected with one connecting end on the other ring body through a bolt, and the other two connecting ends are fixedly connected through a bolt. The heat collection water pipe installation ring is composed of two ring bodies, the rotary kiln body is convenient to sleeve, each ring body is formed by bending angle steel, the structure is stable, the heat collection water pipe installation ring is prevented from being deformed, and the bearing capacity of the heat collection water pipe installation ring is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
Fig. 1 is a front view of a first embodiment of a rotary kiln assembly according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a left side view of FIG. 1;
FIG. 5 is a schematic structural view of a heat collecting water pipe mounting ring and a support rod;
FIG. 6 is a top view of the support rod;
FIG. 7 is a schematic structural view of a heat collecting water pipe at a viewing angle;
FIG. 8 is a schematic structural view of a heat collecting water pipe from another view;
FIG. 9 is a front view of the bracket;
FIG. 10 is a left side view of the bracket;
FIG. 11 is a front view of the heat retention cover;
Fig. 12 is a left side view of the heat retention cover.
In the figure: 1-support, 1-1-crossbeam, 1-2-steel cover mounting seat, 1-3-reinforcing rib, 2-heat preservation cover, 2-1-steel cover, 2-2-steel cover reinforcing rib, 2-3-heat preservation layer, 2-4-fixed rod, 2-5-connecting strip, 3-heat collecting water pipe mounting ring, 3-1-heat collecting water pipe, 3-2-ring body, 3-3-U-shaped pipe clamp, 3-4-water inlet, 3-5-water outlet, 4-support rod, 4-1-mounting plate, 4-2-triangular rib plate, 4-3-bearing sheet, 4-4-mounting hole and 5-rotary kiln body.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
Embodiment one of the rotary kiln assembly: as shown in fig. 1 to 12, the rotary kiln assembly comprises a rotary kiln body 5 and a rotary kiln waste heat recovery device sleeved outside the rotary kiln body 5, the rotary kiln waste heat recovery device comprises a heat preservation cover 2 sleeved outside the rotary kiln body 5 and a support 1 for supporting the heat preservation cover 2, the heat preservation cover 2 comprises a U-shaped steel cover 2-1 and six U-shaped steel cover reinforcing ribs 2-2 located inside the steel cover 2-1, vertical parts of the steel cover 2-1 are respectively installed on the support, the steel cover reinforcing ribs 2-2 are formed by bending angle steel, the steel cover reinforcing ribs 2-2 are attached to the inner surface of the steel cover 2-1, the steel cover reinforcing ribs 2-2 are arranged at intervals along the extension direction of the central line of the heat preservation cover 2, and the heat preservation cover 2 further comprises a heat preservation layer 2-3 arranged on the inner surface of the steel cover.
the rotary kiln waste heat recovery device also comprises four heat collecting water pipe installation rings 3 sleeved on the outer side of the rotary kiln body 5 and heat collecting water pipes 3-1 installed on the heat collecting water pipe installation rings 3, the heat collecting water pipes 3-1 are in a multi-row S shape, two ports of each heat collecting water pipe 3-1 are respectively a water inlet 3-4 and a water outlet 3-5, and the water inlets 3-4 and the water outlets 3-5 are respectively towards two side faces of the support 1.
The heat collecting water pipe installation rings 3 are arranged at intervals along the extending direction of the central line of the heat preservation cover 2, through holes are formed in the heat collecting water pipe installation rings 3, U-shaped pipe clamps 3-3 are inserted into the through holes in an inserting mode, threads are arranged on the straight line portions of the U-shaped pipe clamps 3-3, nuts matched with the threads are sleeved on the straight line portions of the U-shaped pipe clamps 3-3, and the horizontal sections of the heat collecting water pipes 3-1 are fixedly installed on the heat collecting water pipe installation rings 3 through the U-shaped pipe clamps 3-3.
The heat collecting water pipe installation ring 3 comprises two semicircular ring bodies 3-2, each ring body 3-2 is formed by bending angle steel, two ends of each ring body 3-2 are respectively provided with a connecting end, one connecting end on one ring body 3-2 is fixedly connected with one connecting end on the other ring body 3-2 through a bolt, and the other two connecting ends are fixedly connected through bolts. In other cases, the heat collecting water pipe installation ring 3 can be an integrally formed steel ring which is sleeved on the outer side of the rotary kiln body 5 in a penetrating manner.
The support 1 is provided with cross beams 1-1 which correspond to the heat collecting water pipe installation rings 3 one by one, each cross beam 1-1 is positioned below the corresponding heat collecting water pipe 3-1, each cross beam 1-1 is provided with three pairs of support rods 4 for supporting the heat collecting water pipe installation rings 3, any pair of support rods 4 is symmetrically arranged along a vertical plane where the central line of the heat preservation cover 2 is positioned, the length of the support rod 4 close to the middle part of the cross beam 1-1 is smaller than that of the support rod 4 far away from the middle part of the cross beam 1-1, one end of each support rod 4 is detachably arranged on the cross beam 1-1, and the other end of each support rod is welded on.
The support 1 is a rectangular frame formed by welding square steel, each cross beam 1-1 on the support 1 is arranged at intervals along the extension direction of the central line of the heat-insulating cover 2, the straight line of the length extension direction of each cross beam 1-1 is perpendicular to the central line of the heat-insulating cover 2, each support rod 4 on the cross beam 1-1 comprises a mounting plate 4-1 attached to the cross beam 1-1, each mounting plate 4-1 is also provided with four triangular rib plates 4-2, each triangular rib plate 4-2 is arranged at intervals around the central line of the support rod 4 where the support rod is arranged, a mounting hole 4-4 is arranged between two adjacent triangular rib plates 4-2 on the mounting plate 4-1, a bolt is penetrated in the mounting hole 4-4, each support rod 4 is connected with the cross beam 1-1 through a bolt, each support rod 4 further comprises a bearing piece 4-3 welded with the heat-, the bearing pieces 4-3 are tangent to the outer surface of the heat collecting water pipe mounting ring 3.
The steel cover mounting seats 1-2 are respectively arranged on the positions, connected with the two vertical parts of the steel cover 2-1, of the support 1, the two steel cover mounting seats 1-2 are symmetrically arranged along a vertical plane where the central line of the heat-insulating cover 2 is located, the steel cover mounting seats 1-2 are inverted L-shaped, the vertical parts of the steel cover mounting seats 1-2 are fixed on the support 1, the two vertical parts of the steel cover 2-1 are respectively provided with angle steel connecting strips 2-5 with the length extending along the central line of the heat-insulating cover 2, each connecting strip 2-5 is fixedly connected with the horizontal part of the corresponding steel cover mounting seat 1-2 through bolts, and reinforcing ribs 1-3 are further arranged between the horizontal part and the vertical part of the steel cover mounting seat 1-2.
Each heat collecting water pipe installation ring 3 corresponds to four steel cover reinforcing ribs 2-2 positioned in the middle of the heat preservation cover 2 one by one, four fixing rods 2-4 connected with the corresponding steel cover reinforcing ribs 2-2 are arranged on each heat collecting water pipe installation ring 3, each fixing rod 2-4 on any heat collecting water pipe installation ring 3 is arranged around the central line of the heat preservation cover 2 at intervals, each fixing rod 2-4 is formed by a strip-shaped angle steel, under other conditions, the fixing rods 2-4 can also be I-shaped or L-shaped, one end of any fixing rod 2-4 is welded on the steel cover reinforcing ribs 2-2 of the heat preservation cover 2, and the other end of the fixing rod 2-4 is welded on the heat collecting water pipe installation ring 3.
The heat preservation cover 2 prevents hot air around the rotary kiln body from dissipating, the heat collecting water pipes 3-1 are arranged on the heat collecting water pipe mounting rings 3, the heat absorption range of the heat collecting water pipes 3-1 is large, and compared with the existing arrangement form of the heat collecting water pipes 3-1, the heat recovery efficiency is high. In addition, the heat collecting water pipe installation ring 3 is supported through the support rod 4 on the cross beam 1-1, and the fixing rod 2-4 is arranged between the heat collecting water pipe installation ring 3 and the heat preservation cover 2. In addition, the heat collecting water pipes 3-1 are arranged on more than two heat collecting water pipe installation rings 3, and compared with the existing stainless steel plate, the heat collecting water pipe is light in self weight and convenient to support by the support 1.
in addition, the length of the support rod 4 far away from the middle of the cross beam 1-1 is long, so that the heat collection water pipe installation ring 3 is prevented from deviating towards the length extension direction of the cross beam 1-1, the gravity center of the heat collection water pipe installation ring 3 is ensured to be close to the middle of the cross beam 1-1, and the rotary kiln waste heat recovery device is prevented from inclining. In addition, when the support rod 4 provides a supporting force, the self weight is light, and the support effect of the support 1 is remarkable. The support rod 4 is detachably connected with the cross beam 1-1, so that the heat collecting water pipe mounting ring 3 is convenient to replace at the later stage. Meanwhile, the fixing rods 2-4 are connected with the heat preservation cover 2 and the heat collecting water pipe installation ring 3, the structure is compact, the fixing rods 2-4 are arranged at the periphery of the heat collecting water pipe installation ring 3 at intervals, stress is uniform, in addition, the fixing rods 2-4 are made of angle steel, cost is low, and manufacturing is convenient.
In addition, the heat collecting water pipe 3-1 is detachably arranged on the heat collecting water pipe mounting ring 3, so that the heat collecting water pipe 3-1 is convenient to disassemble and assemble, the heat collecting water pipe 3-1 is firmly fixed, and the distribution density of the heat collecting water pipe 3-1 on the heat collecting water pipe mounting ring 3 is convenient to adjust. And, the heat collecting water pipe mounting ring 3 is composed of two ring bodies 3-2, is conveniently sleeved on the outer side of the rotary kiln body, and each ring body 3-2 is formed by bending angle steel, so that the structure is stable, the heat collecting water pipe mounting ring 3 is prevented from being deformed, and the bearing capacity of the heat collecting water pipe mounting ring 3 is improved. In addition, a plurality of steel cover reinforcing ribs 2-2 are arranged on the inner side of the steel cover 2-1, the steel cover reinforcing ribs 2-2 are used for bearing the load of the steel cover 2-1, the steel cover reinforcing ribs 2-2 are arranged at intervals, the supporting force borne by the steel cover 2-1 is uniform, the steel cover reinforcing ribs 2-2 of the steel cover 2-1 are borne by the fixing rods 2-4, and the stability of the heat preservation cover 2 is high.
Example two of the rotary kiln assembly: the fixed rods on each heat collecting water pipe mounting ring can be in other quantities, for example, six or eight fixed rods can be arranged, the fixed rods on the same heat collecting water pipe mounting ring are arranged at intervals around the central line of the heat collecting water pipe mounting ring, each fixed rod can be in other forms, for example, the fixed rods can be formed by steel pipes, one ends of the steel pipes are welded on the steel cover, the other ends of the steel pipes are welded on the heat collecting water pipe mounting ring, and steel cover reinforcing ribs are omitted.
Example three of the rotary kiln assembly: the heat collecting water pipe and the heat collecting water pipe mounting ring can adopt other connection forms, for example, the heat collecting water pipe mounting ring is more than two, and the heat collecting water pipe mounting ring is an integrally formed steel ring, the heat collecting water pipe is mounted on the heat collecting water pipe mounting ring, the heat collecting water pipe comprises an inner heat collecting water pipe and an outer heat collecting water pipe, the inner side of the heat collecting water pipe mounting ring is provided with the inner heat collecting water pipe, the outer heat collecting water pipe is arranged on the outer side of the heat collecting water pipe mounting ring, the inner heat collecting water pipe and the outer heat collecting water pipe are in a multi-line S shape and are respectively welded on the inner side and the outer side of the heat collecting water pipe mounting ring, or the inner heat collecting water pipe and the outer heat collecting water pipe are respectively mounted on the inner side and the outer side of the heat collecting water pipe mounting ring through U-.
The embodiment of the waste heat recovery device of the rotary kiln comprises the following steps: the rotary kiln waste heat recovery device has the same structure as that of the rotary kiln waste heat recovery device in any embodiment of the rotary kiln assembly, and therefore, the description is not repeated.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (10)
1. Rotary kiln waste heat recovery device, including the thermal-arrest water pipe that is used for the heat preservation cover of suit in the rotary kiln body outside, is used for supporting the support of heat preservation cover and is used for absorbing the heat that the rotary kiln body distributed out, its characterized in that: the rotary kiln heat collecting water pipe installation ring comprises a rotary kiln body and is characterized by further comprising heat collecting water pipe installation rings sleeved on the outer side of the rotary kiln body, wherein the number of the heat collecting water pipe installation rings is more than two, each heat collecting water pipe installation ring is arranged at an interval along the extension direction of the central line of a heat preservation cover, the heat preservation cover is connected with each heat collecting water pipe installation ring through a fixing rod, a cross beam is arranged below each heat collecting water pipe installation ring on a support, a supporting rod used for supporting each heat collecting water pipe installation ring is arranged.
2. The rotary kiln waste heat recovery device as claimed in claim 1, characterized in that: the supporting rods on each cross beam are more than two, any pair of supporting rods is symmetrically arranged along the vertical plane where the central line of the heat-insulating cover is located, one end of each supporting rod is detachably arranged on the cross beam, and the other end of each supporting rod is welded on the heat-collecting water pipe mounting ring.
3. The rotary kiln waste heat recovery device as claimed in claim 1, characterized in that: the fixing rods are more than two and are formed by angle steel, the fixing rods are arranged at intervals around the central line of the heat-insulating cover, one end of any fixing rod is welded on the heat-insulating cover, and the other end of the fixing rod is welded on the heat-collecting water pipe mounting ring.
4. the rotary kiln waste heat recovery device according to any one of claims 1 to 3, characterized in that: the heat collecting water pipe installation ring is provided with a through hole, a U-shaped pipe clamp is inserted into the through hole in a penetrating mode, a linear portion of the U-shaped pipe clamp is provided with threads, a nut matched with the threads is sleeved on the linear portion, and the heat collecting water pipe is fixedly installed on the heat collecting water pipe installation ring through the U-shaped pipe clamp.
5. the rotary kiln waste heat recovery device according to any one of claims 1 to 3, characterized in that: the heat collecting water pipe installation ring comprises two semicircular ring bodies, each ring body is formed by bending angle steel, two ends of each ring body are respectively provided with a connecting end, one connecting end on one ring body is fixedly connected with one connecting end on the other ring body through a bolt, and correspondingly, the other connecting end on the other ring body is fixedly connected with the other connecting end on the other ring body through a bolt.
6. The rotary kiln assembly comprises a rotary kiln body and is characterized in that: still establish the rotary kiln waste heat recovery device in the rotary kiln body outside including the cover, rotary kiln waste heat recovery device includes the heat preservation cover of suit in the rotary kiln body outside, a thermal-arrest water pipe for supporting the support of heat preservation cover and being used for absorbing the heat that the rotary kiln body distributed, rotary kiln waste heat recovery device still includes the thermal-arrest water pipe collar of suit in the rotary kiln body outside, thermal-arrest water pipe collar has more than two, each thermal-arrest water pipe collar sets up along heat preservation cover central line extending direction interval, be connected through the dead lever between heat preservation cover and each thermal-arrest water pipe collar, be equipped with the crossbeam below the thermal-arrest water pipe collar on the support, be equipped with the bracing piece that is used for supporting thermal-arrest water pipe collar on the crossbeam.
7. The rotary kiln assembly as recited in claim 6, wherein: the supporting rods on each cross beam are more than two, any pair of supporting rods is symmetrically arranged along the vertical plane where the central line of the heat-insulating cover is located, one end of each supporting rod is detachably arranged on the cross beam, and the other end of each supporting rod is welded on the heat-collecting water pipe mounting ring.
8. The rotary kiln assembly as recited in claim 6, wherein: the fixing rods are more than two and are formed by angle steel, the fixing rods are arranged at intervals around the central line of the heat-insulating cover, one end of any fixing rod is welded on the heat-insulating cover, and the other end of the fixing rod is welded on the heat-collecting water pipe mounting ring.
9. the rotary kiln assembly as claimed in any one of claims 6 to 8, wherein: the heat collecting water pipe installation ring is provided with a through hole, a U-shaped pipe clamp is inserted into the through hole in a penetrating mode, a linear portion of the U-shaped pipe clamp is provided with threads, a nut matched with the threads is sleeved on the linear portion, and the heat collecting water pipe is fixedly installed on the heat collecting water pipe installation ring through the U-shaped pipe clamp.
10. The rotary kiln assembly as claimed in any one of claims 6 to 8, wherein: the heat collecting water pipe installation ring comprises two semicircular ring bodies, each ring body is formed by bending angle steel, two ends of each ring body are respectively provided with a connecting end, one connecting end on one ring body is fixedly connected with one connecting end on the other ring body through a bolt, and correspondingly, the other connecting end on the other ring body is fixedly connected with the other connecting end on the other ring body through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233507.8U CN209763770U (en) | 2018-12-28 | 2018-12-28 | Rotary kiln assembly and rotary kiln waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233507.8U CN209763770U (en) | 2018-12-28 | 2018-12-28 | Rotary kiln assembly and rotary kiln waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209763770U true CN209763770U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822233507.8U Active CN209763770U (en) | 2018-12-28 | 2018-12-28 | Rotary kiln assembly and rotary kiln waste heat recovery device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721137A (en) * | 2020-06-29 | 2020-09-29 | 廖红秀 | Cement rotary kiln with heat utilization function |
| CN112919836A (en) * | 2021-03-31 | 2021-06-08 | 阳新娲石水泥有限公司 | Preparation method and system of cement clinker |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721137A (en) * | 2020-06-29 | 2020-09-29 | 廖红秀 | Cement rotary kiln with heat utilization function |
| CN111721137B (en) * | 2020-06-29 | 2022-04-26 | 淄博鲁中水泥有限公司 | Cement rotary kiln with heat utilization function |
| CN112919836A (en) * | 2021-03-31 | 2021-06-08 | 阳新娲石水泥有限公司 | Preparation method and system of cement clinker |
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