CN210268261U - Waste heat utilization device in ceramsite manufacturing process - Google Patents
Waste heat utilization device in ceramsite manufacturing process Download PDFInfo
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- CN210268261U CN210268261U CN201921083225.2U CN201921083225U CN210268261U CN 210268261 U CN210268261 U CN 210268261U CN 201921083225 U CN201921083225 U CN 201921083225U CN 210268261 U CN210268261 U CN 210268261U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 heat recovery device, in particular to a waste heat utilization device in the ceramsite manufacturing process; the problems of waste heat waste and influence on the environment in the production process of the ceramsite are solved; the rotary kiln is provided with a circulating water device, a water inlet of the circulating water device is connected with a cooling water tank, a hot water tank connected with a water outlet of the circulating water device is connected with a heat exchanger, and a water outlet of the heat exchanger is connected with the cooling water tank through a cold water pipe; the heat of the hot water exchanges heat with the cold air sucked by the heat exchanger, the formed hot air flows back to the drying kiln, the hot water is further utilized by the granulating pot, and the heat of the rotary kiln is sent to the drying kiln for utilization; the device makes full use of the heat absorption and release processes of equipment in the ceramsite production process, makes full use of the generated waste heat, exerts the effect of the waste heat to enable the waste heat to be applied to other heat-requiring ring sections in the production process, makes full use of the heat in the whole ceramsite production process to absorb, reduces the waste of energy, and reduces the influence on the environment.
Description
Technical Field
The utility model belongs to the technical field of heat recovery, concretely relates to waste heat utilization equipment in haydite manufacturing process.
Background
The fracturing propping agent is a special material which is pumped into a stratum fracture together with fracturing fluid to support the fracture and increase the flow conductivity of oil gas in the hydraulic fracturing process of petroleum and natural gas industry. Compared with quartz sand and resin-coated sand, the ceramsite fracturing propping agent has the characteristics of low breakage rate, corrosion resistance, good flow conductivity and high cost performance, and is adopted by more and more oil fields. At present, bauxite is generally used as a raw material, various auxiliary materials are added, and the ceramsite fracturing propping agent is prepared by granulating and sintering in a rotary kiln. The ideal ceramsite proppant has uniform particles, sphericity and roundness close to 1, and enough compressive strength, and proppants with different densities can bear the pressure of different depths of stratum. In the production process of the ceramsite, the steps of crushing, fine crushing, proportioning, ball milling, granulating, cooling, screening, dedusting and quality inspection are included, in the process, a large amount of waste heat is generated in some links, and the waste heat is not usually recovered, so that the waste of energy sources and the influence on the environment are caused.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a waste heat utilization equipment in the haydite manufacture process, has solved waste heat waste and has led to the fact the problem of influence to the environment in the haydite production process.
The utility model provides a technical scheme that its technical problem adopted is:
a waste heat utilization device in the ceramsite manufacturing process comprises a cooling kiln, a rotary kiln and a drying kiln, wherein the cooling kiln is provided with a circulating water device, a water inlet of the circulating water device is connected with a cooling water tank, a water outlet of the circulating water device is connected with a hot water tank, and the cooling water tank is connected with a cooling water inlet pipe; the hot water tank is connected with a heat exchanger through a hot water pipe, a plurality of heat exchange pipelines connected in series are arranged in the heat exchanger, a water inlet of each heat exchange pipeline is connected with the hot water pipe, and a water outlet of each heat exchange pipeline is connected with an inlet of the cooling water tank through a cold water pipe; the wall of the heat exchanger is provided with an air inlet and an air outlet, the air inlet is connected with a fan, the air outlet is connected with the heat source port of the drying kiln through a first hot air pipeline, and the kiln tail of the rotary kiln is connected with the heat source port of the drying kiln through a second hot air pipeline.
Further preferably, the granulator further comprises a granulator, wherein the hot water pipe is connected with a hot water branch pipe through a tee joint, the hot water branch pipe is connected with a circulation tank, and the circulation tank is connected with a water inlet of the granulator.
Furthermore, a flow valve is arranged on the hot water branch pipe.
Further preferably, the second hot air pipeline is provided with an induced draft fan.
The utility model discloses produced beneficial effect does for prior art.
The utility model discloses the heat absorption and release process of equipment in the make full use of haydite production process, the waste heat make full use of that will produce, the effect of performance waste heat makes its other heat ring festival that need that is applied to the production process. The hot water displaced after cooling the ceramsite in the cooling kiln is used for transferring heat to the drying kiln through the heat exchanger by wind power and generating cold water after heat exchange to be used as cooling water of the cooling kiln, and on the other hand, the hot water can be directly circulated through the circulating pool without the heat exchanger and then used for granulation production by the granulation pot; meanwhile, high-temperature gas generated at the tail of the rotary kiln is introduced into the drying kiln through the induced draft fan and can be utilized. The heat in the whole ceramsite production process is fully utilized and absorbed, so that the waste of energy is reduced, and the influence on the environment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a cooling kiln, 2 is a rotary kiln, 3 is a drying kiln, 4 is a cooling water tank, 5 is a hot water tank, 6 is a cooling water inlet pipe, 7 is a hot water pipe, 8 is a heat exchanger, 9 is a water inlet of a heat exchange pipeline, 10 is a water outlet of the heat exchange pipeline, 11 is a cold water pipe, 12 is an air inlet, 13 is an air outlet, 14 is a fan, 15 is a first hot air pipeline, 16 is a second hot air pipeline, 17 is a granulation pot, 18 is a tee joint, 19 is a hot water branch pipe, 20 is a circulation tank, 21 is a flow valve, 22 is an induced draft fan, and 23 is a circulating water pipe.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the waste heat utilization device in the ceramsite manufacturing process comprises a cooling kiln 1, a rotary kiln 2, a granulating pot 17 and a drying kiln 3, wherein the cooling kiln 1 is provided with a circulating water pipe 23, the ceramsite in the kiln is cooled by introducing cooling water, a water inlet of the circulating water pipe 23 is connected with a cooling water tank 4, a water outlet of the circulating water pipe 23 is connected with a hot water tank 5, and the cooling water tank 4 is connected with a cooling water inlet pipe 6 for adding cooling water to the cooling water tank 4; the hot water tank 5 is connected with a heat exchanger 8 through a hot water pipe 7, a plurality of heat exchange pipelines connected in series are arranged in the heat exchanger 8, a water inlet 9 of each heat exchange pipeline is connected with the hot water pipe 7, and a water outlet 10 of each heat exchange pipeline is connected with an inlet of the cooling water tank 4 through a cold water pipe 11; the wall of the heat exchanger 8 is provided with an air inlet 12 and an air outlet 13, the air inlet 12 is connected with a fan 14, the air outlet 13 is connected with the heat source port of the drying kiln 3 through a first hot air pipeline 15, the kiln tail of the rotary kiln 2 is connected with the heat source port of the drying kiln 3 through a second hot air pipeline 16, and the second hot air pipeline 16 is provided with a draught fan 22. The hot water pipe 7 is connected with a hot water branch pipe 19 through a tee joint 18, a flow valve 21 is arranged on the hot water branch pipe 19, the hot water branch pipe 19 is connected with a circulating pool 20, and the circulating pool 20 is connected with a water inlet of the granulating pan 17.
The specific working process is as follows: the cooling kiln 1 cools the ceramsite in the kiln through the circulating cooling water introduced into the circulating water pipe 23, on one hand, the cooling water can be introduced through the cooling water inlet pipe 6 from the source of the cooling water, on the other hand, the cooling water after heat exchange of the heat exchanger 8 can be used, the hot water discharged by the circulating water pipe 23 is concentrated in the hot water tank 5 and flows into the heat exchange pipeline of the heat exchanger 8 through the hot water pipe 7, the heat exchanger 8 exchanges heat through the wind power sucked by the fan 14, the hot air after heat exchange is introduced into the drying kiln 3 through the first hot air pipeline 15 to serve as a heat source, on the other hand, the hot gas generated by the rotary kiln 2 can also serve as a heat source of the drying kiln. The hot water in the hot water tank 5 can be fed via a hot water branch line 19 into the granulation pot 17 for use as process water for the granulation process.
The device makes full use of the heat absorbing and releasing process of equipment in the ceramsite production process, makes full use of the generated waste heat, and plays the role of the waste heat so as to be applied to other heat-requiring ring sections in the production process. The hot water displaced after cooling the ceramsite in the cooling kiln 1 is used for transferring heat to the drying kiln 3 through the heat exchanger 8 by wind power and using cold water generated after heat exchange as cooling water for the cooling kiln 1, and on the other hand, the hot water can be directly circulated through the circulating pool 20 without passing through the heat exchanger 8 and then used for granulation production by the granulating pan 17; meanwhile, high-temperature gas generated at the tail of the rotary kiln 2 is introduced into the drying kiln 3 through the induced draft fan 22 and can be utilized. The heat in the whole ceramsite production process is fully utilized and absorbed, so that the waste of energy is reduced, and the influence on the environment is reduced.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (4)
1. The waste heat utilization device in the ceramsite manufacturing process is characterized by comprising a cooling kiln (1), a rotary kiln (2) and a drying kiln (3), wherein the cooling kiln (1) is provided with a circulating water device, a water inlet of the circulating water device is connected with a cooling water tank (4), a water outlet of the circulating water device is connected with a hot water tank (5), and the cooling water tank (4) is connected with a cooling water inlet pipe (6); the hot water tank (5) is connected with a heat exchanger (8) through a hot water pipe (7), a plurality of heat exchange pipelines connected in series are arranged in the heat exchanger (8), a water inlet (9) of each heat exchange pipeline is connected with the hot water pipe (7), and a water outlet (10) of each heat exchange pipeline is connected with an inlet of the cooling water tank (4) through a cold water pipe (11); the wall of the heat exchanger (8) is provided with an air inlet (12) and an air outlet (13), the air inlet (12) is connected with a fan (14), the air outlet (13) is connected with a heat source port of the drying kiln (3) through a first hot air pipeline (15), and the kiln tail of the rotary kiln (2) is connected with the heat source port of the drying kiln (3) through a second hot air pipeline (16).
2. The device for utilizing the waste heat in the ceramsite manufacturing process according to claim 1, further comprising a granulating pot (17), wherein the hot water pipe (7) is connected with a hot water branch pipe (19) through a tee joint (18), the hot water branch pipe (19) is connected with a circulating tank (20), and the circulating tank (20) is connected with a water inlet of the granulating pot (17).
3. The device for utilizing the waste heat in the ceramsite manufacturing process according to claim 2, wherein the hot water branch pipe (19) is provided with a flow valve (21).
4. The waste heat utilization device in the ceramsite manufacturing process according to claim 1, wherein an induced draft fan (22) is arranged on the second hot air pipeline (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083225.2U CN210268261U (en) | 2019-07-11 | 2019-07-11 | Waste heat utilization device in ceramsite manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083225.2U CN210268261U (en) | 2019-07-11 | 2019-07-11 | Waste heat utilization device in ceramsite manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210268261U true CN210268261U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921083225.2U Active CN210268261U (en) | 2019-07-11 | 2019-07-11 | Waste heat utilization device in ceramsite manufacturing process |
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| Country | Link |
|---|---|
| CN (1) | CN210268261U (en) |
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2019
- 2019-07-11 CN CN201921083225.2U patent/CN210268261U/en active Active
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