CN219956163U - Calciner cooling water jacket waste heat utilization system - Google Patents
Calciner cooling water jacket waste heat utilization system Download PDFInfo
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- CN219956163U CN219956163U CN202321277521.2U CN202321277521U CN219956163U CN 219956163 U CN219956163 U CN 219956163U CN 202321277521 U CN202321277521 U CN 202321277521U CN 219956163 U CN219956163 U CN 219956163U
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- heat exchanger
- water jacket
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 239000000498 cooling water Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 234
- 238000010521 absorption reaction Methods 0.000 claims abstract description 45
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000003344 environmental pollutant Substances 0.000 claims 1
- 231100000719 pollutant Toxicity 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 description 4
- 239000002006 petroleum coke Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a calciner cooling water jacket waste heat utilization system, which structurally comprises water jacket water inlet, water jacket backwater, municipal water inlet, a plate heat exchanger, a steam absorption heat pump, a steam-water heat exchanger and a condensation water tank, wherein the water inlet pipe of the municipal water inlet is connected with the plate heat exchanger, one path of municipal water outlet subjected to heat exchange by the plate heat exchanger is connected with a municipal heat supply network, and the other path of municipal water outlet is connected with the steam absorption heat pump; the water outlet end of the steam absorption heat pump is provided with three paths, the first path is connected with water jacket backwater, the second path is respectively connected with the steam-water heat exchanger and the municipal water outlet pipe through a tee joint, the third path is a condensed water pipeline connected with a condensed water tank, and the outlet of the steam-water heat exchanger is connected with a municipal water supply pipe. The system further utilizes the low-temperature waste heat of the water jacket, the highest temperature of municipal side circulating water passing through the plate heat exchanger, the absorption heat pump and the steam-water heat exchanger can reach 90 degrees, the heating work of urban areas is greatly ensured, and the winter heating problem of counties is solved.
Description
Technical Field
The utility model relates to waste heat utilization of a cooling water jacket of a calciner, in particular to a waste heat utilization system of the cooling water jacket of the calciner.
Background
The petroleum coke itself also has a large amount of volatile matters, the volatile matters can burn to generate about 1000 DEG high temperature in the calcining process, most of flue gas heat is taken away by an induced draft fan and absorbed and utilized by a waste heat boiler, the heat of the petroleum coke itself is cooled by a temperature reducing water sleeve, the petroleum coke is cooled to be lower than 100 DEG from 1000 DEG, the medium of the temperature reducing water sleeve is softened water, the water sleeve is driven by a circulating pump to circulate, and the water sleeve absorbs the heat and then is sent to a cooling tower to dissipate heat, so that the heat is wasted.
The inlet temperature of the water jacket is about 38 degrees, the outlet temperature is about 42 degrees, the utilization value is low, the flow of water in the water jacket is reduced, the temperature difference can be further utilized, the temperature difference is enlarged to about 10 degrees by reducing the flow through a preliminary test, the inlet temperature of the water jacket is about 50 degrees, the outlet is controlled to be about 60 degrees, the heat is replaced by a plate heat exchanger after the temperature difference is enlarged, and the maximum utilization of the replaced heat is the main purpose of the research and development.
Disclosure of Invention
The utility model aims to provide a waste heat utilization system of a cooling water jacket of a calciner, which utilizes heat brought by water jacket water to the greatest extent, and the utilization process is economical, environment-friendly and safe.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a calciner cooling water jacket waste heat utilization system, its structure includes water jacket water inlet, water jacket return water, municipal water inlet, plate heat exchanger, steam absorption heat pump, soda heat exchanger and condensate tank, the water outlet end of water jacket water inlet connects in parallel three pipelines, first pipeline and water jacket water inlet end UNICOM, the second pipeline links to each other with the water jacket return water pipe through plate heat exchanger, the third pipeline links to each other with the water jacket return water pipe through steam absorption heat pump, municipal water inlet's inlet tube links to each other with plate heat exchanger, municipal water that exchanges heat through plate heat exchanger links to each other with municipal heating network by one way, another way links to each other with steam absorption heat pump;
the water outlet end of the steam absorption heat pump is provided with three paths, the first path is connected with water jacket backwater, the second path is respectively connected with the steam-water heat exchanger and the municipal water outlet pipe through a tee joint, the third path is a condensed water pipeline connected with a condensed water tank, and the top end of the steam absorption heat pump is connected with steam through a pipeline;
the outlet of the steam-water heat exchanger is connected with a municipal net water supply pipe, condensed water of the steam-water heat exchanger is connected with a condensed water tank through a pipeline, and one side of the condensed water tank is connected with a water jacket water inlet pipe through a water supplementing pipeline.
Further, two plate heat exchangers are arranged in parallel.
Further, a first dirt remover is arranged at the water inlet end of the water jacket.
Further, the municipal water inlet end is provided with a second dirt separator.
Further, one side of the steam absorption heat pump is provided with a first bypass, one end of the first bypass is connected with a municipal water outlet pipeline subjected to plate heat exchange, and the other end of the first bypass is connected with a municipal water supply pipe.
Further, a bypass II is arranged on one side of the steam-water heat exchanger, one end of the bypass II is connected with a municipal water outlet pipeline after heat exchange of the steam absorption heat pump, and the other end of the bypass II is connected with a municipal water supply pipe.
Further, the steam absorption heat pump is driven by steam generated by the calciner.
The utility model has the beneficial effects that:
according to the system for utilizing the waste heat of the cooling water jacket of the calciner, a heat exchange station is constructed near the calciner in a site selection way, and the municipal side water temperature is increased from 40 tons to 60-90 degrees by utilizing the combination heat exchange of a plate heat exchanger, a heat pump and a steam-water heat exchanger; the water jacket low-temperature waste heat can be further utilized by fully utilizing energy sources according to the requirements that the temperature of the municipal side outlet is reached by adjusting three operation modes according to the temperature change, so that the winter heating problem is solved, and certain economic benefits and positive images are created for enterprises.
Because the condensate water tank is arranged, the condensate water generated by the steam absorption heat pump and the steam-water heat exchanger is collected by the condensate water tank, the water jacket and the pipeline are required to be supplemented with water by condensation of the condensate water tank, the water supplementing of the water jacket is carried out by the condensate water tank and the water pump, and redundant condensate water after water supplementing enters the deaerator of the power plant to be continuously used.
Drawings
FIG. 1 is a schematic diagram of the principle structure of the present utility model;
in the figure:
the water-saving type sewage treatment device comprises a water jacket 1, a sewage remover 2, a water supplementing pipeline 3, a water jacket 4, a water returning pipe 5 of municipal net, a sewage remover 6, a plate heat exchanger 7, a plate heat exchanger 8, a municipal water inlet pipe 9, a steam absorption heat pump 10, a steam-water heat exchanger 11, a bypass 12, a bypass 13, a condensation water tank 14 and a water supplementing pipeline 15.
Detailed Description
The utility model relates to a system for utilizing waste heat of a cooling water jacket of a calciner, which is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the cooling water jacket waste heat utilization system of the calciner comprises water jacket water inlet 1, water jacket backwater 4, municipal water inlet 5, a plate heat exchanger, a steam absorption heat pump 10, a steam-water heat exchanger 11 and a condensation water tank 14, wherein the water outlet end of the water jacket water inlet 1 is connected with three pipelines in parallel, the first pipeline is communicated with the water jacket water inlet end, the second pipeline is connected with the pipeline of the water jacket backwater 4 through the plate heat exchanger, the third pipeline is connected with the water jacket backwater pipe through the steam absorption heat pump 10, the condensation water outlet end of the steam absorption heat pump 10 is connected with the condensation water tank 14, the water inlet pipe of the municipal water inlet 5 is connected with the plate heat exchanger, one municipal water outlet path through heat exchange of the plate heat exchanger is connected with a municipal heat network, and the other municipal water outlet path through heat exchange of the plate heat exchanger is connected with the steam absorption heat pump 10; the water outlet end of the steam absorption heat pump 10 is provided with three paths, the first path is connected with water jacket backwater, the second path is respectively connected with a steam-water heat exchanger and a municipal water outlet pipe through a tee joint, the third path is a condensed water pipeline connected with a condensed water tank 14, and the top end of the steam absorption heat pump 10 is connected with steam through a pipeline; the outlet of the steam-water heat exchanger 11 is connected with a municipal water supply pipe, condensed water of the steam-water heat exchanger 11 is connected with a condensed water tank 14 through a pipeline, and one side of the condensed water tank 14 is connected with a water inlet pipe of the water jacket through a water supplementing pipeline 3. The water jacket water inlet end is provided with a first dirt remover 2, the municipal water inlet end is provided with a second dirt remover 6, and the first dirt remover 2 and the second dirt remover 6 both adopt an automatic sewage discharge mode to filter sundries in water jacket water inlet and municipal water inlet.
The two plate heat exchangers are respectively a first plate heat exchanger 7 and a second plate heat exchanger 8, and the two plate heat exchangers are arranged in parallel. Two plate heat exchangers or one plate heat exchanger can be selected to be used simultaneously according to different heat exchange temperature requirements.
The plate heat exchanger is used for heat exchange between municipal side water and water jacket water, and can also be used singly or in series with a steam absorption heat pump.
One side of the steam absorption heat pump 10 is provided with a bypass first 12, and the bypass first 13 is provided with a bypass valve. One end of the bypass I12 is connected with a municipal water outlet pipeline subjected to plate heat exchange, and the other end of the bypass I is connected with a municipal water supply pipe. When the steam absorption heat pump 10 fails, municipal water subjected to heat exchange through the plate heat exchanger can be introduced into the municipal water supply pipe from the bypass I12 without passing through the steam absorption heat pump 10, and if the temperature of the municipal water does not meet the requirement, the municipal water can also be introduced into the steam-water heat exchanger to perform heat exchange and temperature rise, and then is introduced into the municipal water supply pipe 5.
And a bypass second 13 is arranged on one side of the steam-water heat exchanger 11, and a bypass valve is arranged on the bypass second 13. One end of the bypass II is connected with a municipal water outlet pipeline subjected to heat exchange by the steam absorption heat pump 10, and the other end of the bypass II is connected with a municipal water supply pipe. When the steam-water heat exchanger 11 fails, water subjected to heat exchange from the steam absorption heat pump 10 enters the municipal water supply pipe 5 through the bypass II 13.
The steam absorption heat pump 10 is driven by steam generated by the calciner. The maximum steam usage is designed to be 20 tons/hour, and the steam enters the condensate tank 14 after being condensed. The condensation water tank 14 is a steam condensation water storage water tank of the absorption heat pump and the steam-water heat exchanger, and also serves as a water supplementing water tank at the water jacket side, a part of condensation water is used for supplementing water, and the rest of condensation water returns to the deaerator of the power plant.
The water jacket water is pumped to the plate heat exchanger and the absorption heat pump through the first station circulating pump, the water temperature is reduced to 50 degrees after heat exchange, at the moment, 50 degrees of backwater enters the water jacket again to absorb heat, circulation is repeated, the water jacket and the pipeline need to be supplemented with water due to the closed circulating system, the water supplementing of the water jacket water is carried out by the condensing water tank and the water pump, the condensing water tank is a storage container after steam condensation, and redundant condensed water after water supplementing enters the deaerator of the power plant to be continuously used.
The waste heat utilization system of the cooling water jacket of the calciner can realize three operation modes.
Operation mode one: slight cold weather
This mode uses only plate heat exchangers and the vapor absorption heat pump and steam-water heat exchanger valves are closed. At the moment, the water jacket water and municipal side water exchange heat by the plate heat exchanger, municipal water directly enters the main pipe network without passing through the steam absorption heat pump and the steam-water heat exchanger after absorbing heat, and at the moment, the municipal water can be heated to 50 degrees.
And an operation mode II: cold weather
The mode adopts a use mode of combining a plate heat exchanger with a steam absorption heat pump. In cold weather, municipal side water enters the steam absorption heat pump after heat exchange of the plate heat exchanger, the steam absorption heat pump is driven by 180-degree steam, the municipal side water temperature is heated to about 65 degrees from 50 degrees, and the municipal water directly enters a main pipe network through a bypass after being discharged.
And an operation mode III: extremely cold weather
The mode adopts a mode of combining a plate heat exchanger, a steam absorption heat pump and a steam-water heat exchanger. In extremely cold weather, municipal water enters the steam-water heat exchanger for heat exchange after heat exchange through the plate heat exchanger and the steam absorption heat pump, the steam-water heat exchanger directly exchanges heat by steam, and finally municipal water is heated to about 75 degrees from 65 degrees and enters a main pipe network.
According to the utility model, the low-temperature waste heat of the water jacket is further utilized, the highest temperature of municipal side circulating water passing through the plate heat exchanger, the absorption heat pump and the steam-water heat exchanger can reach 90 degrees, so that the heating work of urban areas is greatly ensured, the winter heating problem of counties is solved, and certain economic benefits and positive images are created for enterprises.
The foregoing is provided by way of illustration of the principles of the present utility model, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the utility model as defined in the claims.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (7)
1. The utility model provides a calciner cooling water jacket waste heat utilization system which is characterized by comprising water jacket water inflow, water jacket backwater, municipal water inflow, a plate heat exchanger, a steam absorption heat pump, a steam-water heat exchanger and a condensation water tank, wherein the water outlet end of the water jacket water inflow is connected with three pipelines in parallel, the first pipeline is communicated with the water jacket water inflow end, the second pipeline is connected with a water jacket backwater pipe through the plate heat exchanger, the third pipeline is connected with the water jacket backwater pipe through the steam absorption heat pump, the water inlet pipe of the municipal water inflow is connected with the plate heat exchanger, one path of municipal water exchanging heat through the plate heat exchanger is connected with a municipal heat network, and the other path of municipal water exchanging heat through the plate heat exchanger is connected with the steam absorption heat pump;
the water outlet end of the steam absorption heat pump is provided with three paths, the first path is connected with water jacket backwater, the second path is respectively connected with the steam-water heat exchanger and the municipal water outlet pipe through a tee joint, the third path is a condensed water pipeline connected with a condensed water tank, and the top end of the steam absorption heat pump is connected with steam through a pipeline;
the outlet of the steam-water heat exchanger is connected with a municipal net water supply pipe, condensed water of the steam-water heat exchanger is connected with a condensed water tank through a pipeline, and one side of the condensed water tank is connected with a water jacket water inlet pipe through a water supplementing pipeline.
2. The calciner cooling water jacket waste heat utilization system according to claim 1, wherein two plate heat exchangers are arranged in parallel.
3. The system for utilizing waste heat of cooling water jacket of calciner as recited in claim 1, wherein said water inlet end of said water jacket is provided with a first scrubber.
4. The system for utilizing waste heat of the cooling water jacket of the calciner as claimed in claim 1, wherein the municipal water inlet end is provided with a second pollutant remover.
5. The system for utilizing waste heat of the cooling water jacket of the calciner according to claim 1, wherein a bypass I is arranged on one side of the steam absorption heat pump, one end of the bypass I is connected with a municipal water outlet pipeline subjected to plate heat exchange, and the other end of the bypass I is connected with a municipal water supply pipe.
6. The system for utilizing waste heat of the cooling water jacket of the calciner according to claim 1, wherein a second bypass is arranged on one side of the steam-water heat exchanger, one end of the second bypass is connected with a municipal water outlet pipeline subjected to heat exchange by the steam absorption heat pump, and the other end of the second bypass is connected with a municipal water supply pipe.
7. The calciner cooling water jacket waste heat utilization system of claim 1, wherein the steam absorption heat pump is driven by steam generated by the calciner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277521.2U CN219956163U (en) | 2023-05-23 | 2023-05-23 | Calciner cooling water jacket waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277521.2U CN219956163U (en) | 2023-05-23 | 2023-05-23 | Calciner cooling water jacket waste heat utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956163U true CN219956163U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321277521.2U Active CN219956163U (en) | 2023-05-23 | 2023-05-23 | Calciner cooling water jacket waste heat utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956163U (en) |
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2023
- 2023-05-23 CN CN202321277521.2U patent/CN219956163U/en active Active
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