CN220489753U - Coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device - Google Patents
Coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device Download PDFInfo
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- CN220489753U CN220489753U CN202321347690.9U CN202321347690U CN220489753U CN 220489753 U CN220489753 U CN 220489753U CN 202321347690 U CN202321347690 U CN 202321347690U CN 220489753 U CN220489753 U CN 220489753U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims abstract description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 238000005272 metallurgy Methods 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical group FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 6
- 229920006395 saturated elastomer Polymers 0.000 description 12
- 238000010795 Steam Flooding Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 239000002910 solid waste Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of metallurgical waste heat utilization, in particular to a coal-based hydrogen metallurgical high-temperature roasting material waste heat stepped power generation device, wherein high-temperature roasting materials in a boiler body exchange heat with a high-pressure superheater 106, a high-pressure evaporator 105, a low-pressure superheater 104, a high-pressure economizer 103, a low-pressure evaporator 102 and a low-pressure economizer 101 from top to bottom, and steam formed after the heat exchange drives a steam turbine 8 to do work.
Description
Technical Field
The utility model relates to the technical field of metallurgical waste heat utilization, in particular to a coal-based hydrogen metallurgical high-temperature roasting material waste heat step power generation device.
Background
The material produced after high-temperature roasting of coal-based hydrogen metallurgy reaches 950-1000 ℃, and because the high-temperature roasting material is reducing metal, in order to prevent the reducing metal from being oxidized again, the high-temperature roasting material is usually cooled by adopting a slag cooling machine in an anaerobic way, and the waste heat of the high-temperature roasting material is carried by utilizing cooling water. Because the slag cooler is used for guaranteeing an anaerobic environment and preventing materials from being oxidized due to water leakage, a low-pressure high-flow water cooling mode is generally adopted, the temperature of cooling water after heat exchange is only about 40 ℃, and waste heat utilization cannot be effectively carried out.
Disclosure of Invention
The utility model aims to provide a coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device, which utilizes a solid waste heat boiler to convert high-temperature roasting material waste heat into high-temperature steam, the high-temperature steam drives a steam turbine to drive a generator to generate power, low-pressure steam discharged by the steam turbine further exchanges heat with organic working medium to generate high-pressure organic working medium steam, and the organic working medium steam drives the steam turbine to drive the generator to generate power, so that the high-efficiency step utilization of the high-temperature roasting material waste heat is realized.
In order to achieve the technical effects, the coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device comprises a double-pressure waste heat boiler, wherein the double-pressure waste heat boiler comprises a boiler body, and a low-pressure economizer, a low-pressure evaporator, a high-pressure economizer, a low-pressure superheater, a high-pressure evaporator and a high-pressure superheater are arranged in the boiler body from bottom to top; the low-pressure steam turbine comprises a high-pressure steam drum, a deaerator, a low-pressure steam drum, a high-pressure water pump, a condensate pump, an ORC evaporator, a steam turbine and a motor, wherein the deaerator is connected to the upper part of the low-pressure steam drum; the pipeline between the low pressure evaporator inlet and the low pressure steam drum, the pipeline between the low pressure evaporator outlet and the low pressure steam drum, the pipeline between the low pressure steam drum and the high pressure economizer inlet are mutually connected in parallel, the pipeline between the high pressure economizer outlet and the high pressure steam drum, the pipeline between the high pressure evaporator inlet and the high pressure steam drum, and the pipeline between the high pressure evaporator outlet and the high pressure steam drum are mutually connected in parallel.
Further, the ORC evaporator comprises a cooling pipeline, a steam outlet of the steam turbine is connected with an inlet of the ORC evaporator cooling pipeline through a pipeline, and an outlet of the ORC evaporator cooling pipeline is connected with an inlet of the condensate pump through a connection.
Further, the ORC evaporator comprises an organic working medium pipeline, an ORC turbine and an ORC condenser, wherein an organic working medium pipeline outlet of the ORC evaporator is connected with an ORC turbine steam inlet through a pipeline, an ORC turbine steam outlet is connected with an ORC condenser inlet through a pipeline, an ORC condenser outlet is connected with a working medium pump inlet through a pipeline, and a working medium pump outlet is connected with an organic working medium pipeline inlet of the ORC evaporator through a pipeline.
Further, the motor is an asynchronous motor with two ends in shaft extension, the working medium pump is a double-drive double-head pump, two shaft extensions of the motor are respectively connected with one driving shaft of the working medium pump and the output shaft of the steam turbine, and the other driving shaft of the working medium pump is connected with the output shaft of the ORC turbine.
Further, a first clutch is connected between the shaft extension of the motor and the output shaft of the steam turbine, and a second clutch is connected between the driving shaft of the working medium pump and the output shaft of the ORC turbine.
Further, the steam inlet of the steam turbine comprises a main steam inlet and a steam supplementing port, the outlet of the high-pressure superheater is connected with the main steam inlet of the steam turbine, and the outlet of the low-pressure superheater is connected with the steam supplementing port of the steam turbine.
Further, the steam turbine is a back pressure steam turbine, the pressure of the steam outlet of the steam turbine is 0.3MPa, and the temperature of the steam at the steam outlet of the steam turbine is 150 ℃.
Further, the organic working medium is R245fa, the pressure of the organic working medium steam at the inlet of the ORC turbine is 1.4mpa, and the temperature of the organic working medium steam at the inlet of the ORC turbine is 110 ℃.
Further, the first clutch comprises a ratchet wheel, a spring, a plurality of ratchet teeth and a ratchet drum, the ratchet teeth are uniformly distributed on the ratchet wheel in circumference, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drum is meshed with the ratchet teeth, the ratchet wheel of the first clutch is connected to an output shaft of the steam turbine, and the ratchet drum of the first clutch is connected to a shaft extension of the motor 10.
Further, the second clutch comprises a ratchet wheel, a spring, a plurality of ratchet teeth and a ratchet drum, wherein the ratchet teeth are uniformly distributed on the ratchet wheel in circumference, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drum is meshed with the ratchet teeth, the ratchet wheel of the second clutch is connected to a driving shaft of the working medium pump, and the ratchet drum of the second clutch is connected to an output shaft of the ORC turbine.
The beneficial effects of the utility model are as follows: the utility model solves the problem that the waste heat of the high-temperature roasting material generated by the coal-based hydrogen metallurgy process cannot be effectively utilized, and the solid waste heat boiler is utilized to convert the waste heat of the high-temperature roasting material into high-temperature steam, the high-temperature steam drives the steam turbine to drive the generator to generate power, the low-pressure steam discharged by the steam turbine further exchanges heat with the organic working medium to generate high-pressure organic working medium steam, and the organic working medium steam drives the steam turbine to drive the generator to generate power, so that the high-efficiency recycling of the waste heat of the high-temperature roasting material of the coal-based hydrogen metallurgy is realized; the connection of the steam turbine, the motor, the working medium pump and the ORC turbine significantly reduces the structure of the power generation device, and simultaneously significantly reduces the mechanical loss of the power generation device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a boiler body; 101. a low pressure economizer; 102. a low pressure evaporator; 103. a high pressure economizer; 104. a low pressure superheater; 105. a high pressure evaporator; 106. a high pressure superheater; 2. a high pressure steam drum; 3. a deaerator; 4. a low pressure drum; 5. a high pressure water pump; 6. a condensate pump; orc evaporator; 8. a steam turbine; 9. a first clutch; 10. a motor; 11. a working medium pump 12, a second clutch; an orc turbine; an orc condenser; 15. a ratchet wheel; 16. a spring; 17. a ratchet; 18-spinous drum.
Detailed Description
The utility model relates to a coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device shown in fig. 1, which comprises a double-pressure waste heat boiler, wherein the double-pressure waste heat boiler comprises a boiler body 1, and a low-pressure economizer 101, a low-pressure evaporator 102, a high-pressure economizer 103, a low-pressure superheater 104, a high-pressure evaporator 105 and a high-pressure superheater 106 are arranged in the boiler body 1 from bottom to top; the high-pressure steam turbine comprises a high-pressure steam drum 2, a deaerator 3, a low-pressure steam drum 4, a high-pressure water pump 5, a condensate pump 6, an ORC evaporator 7, a steam turbine 8 and a motor 10, wherein the deaerator 3 is connected to the upper part of the low-pressure steam drum 4, the outlet of the condensate pump 6 is connected with the inlet of the low-pressure economizer 101 through a pipeline, the outlet of the low-pressure economizer 101 is connected with the deaerator 3 through a pipeline, the lower part of the low-pressure steam drum 4 is connected with the inlet of the low-pressure evaporator 102 through a pipeline, the outlet of the low-pressure evaporator 102 is connected with the lower part of the low-pressure steam drum 4 through a pipeline, the lower part of the low-pressure steam drum 4 is connected with the inlet of the high-pressure economizer 103 through a pipeline, the high-pressure water pump 5 is connected to the pipeline between the low-pressure steam drum 4 and the inlet of the high-pressure economizer 103, the outlet of the high-pressure economizer 103 is connected with the lower part of the high-pressure steam drum 2 through a pipeline, the lower part of the high-pressure economizer 2 is connected with the inlet of the high-pressure evaporator 105 through a pipeline, the outlet of the high-pressure evaporator 105 is connected with the lower part of the high-pressure drum 2 through a pipeline, the upper part of the high-pressure evaporator 2 is connected with the upper part of the low-pressure drum 102 through a pipeline, the upper part of the high-pressure evaporator 106 is connected with the high-pressure inlet of the high-pressure evaporator 8 through a pipeline, the high-pressure inlet of the high-pressure turbine 8 is connected with the output shaft 104 through a high-pressure inlet 104 and the high-pressure inlet of the high-pressure output shaft 104, the high-pressure output shaft 8 and the high-pressure output shaft is connected with the inlet of the high-pressure steam turbine 8; the pipeline between the inlet of the low-pressure evaporator 102 and the low-pressure steam drum 4, the pipeline between the outlet of the low-pressure evaporator 102 and the low-pressure steam drum 4, the pipeline between the inlet of the low-pressure steam drum 4 and the inlet of the high-pressure economizer 103 are mutually connected in parallel, the pipeline between the outlet of the high-pressure economizer 103 and the high-pressure steam drum 2, the pipeline between the inlet of the high-pressure evaporator 105 and the high-pressure steam drum 2, the pipeline between the outlet of the high-pressure evaporator 105 and the high-pressure steam drum 2 are mutually connected in parallel, the ORC evaporator 7 comprises a cooling pipeline, the steam outlet of the steam turbine 8 is connected with the inlet of the cooling pipeline of the ORC evaporator 7 through the pipeline, the outlet of the cooling pipeline of the ORC evaporator 7 is connected with the inlet of the condensate pump 6 through the connection, the organic working medium pipeline comprises a working medium pump 11, an ORC turbine 13 and an ORC condenser 14, the outlet of the organic working medium pipeline of the ORC evaporator 7 is connected with the inlet of the ORC turbine 13 through the pipeline, the gas outlet of the ORC turbine 13 is connected with the inlet of the ORC condenser 14 through a pipeline, the outlet of the ORC condenser 14 is connected with the inlet of the working medium pump 11 through a pipeline, the outlet of the working medium pump 11 is connected with the inlet of the organic working medium pipeline of the ORC evaporator 7 through a pipeline, the motor 10 is a two-end shaft extension asynchronous motor, the working medium pump 11 is a double-drive double-head pump, two shaft extensions of the motor 10 are respectively connected with one driving shaft of the working medium pump 11 and the output shaft of the turbine 8, the other driving shaft of the working medium pump 11 is connected with the output shaft of the ORC turbine 13, a first clutch 9 is connected between the shaft extension of the motor 10 and the output shaft of the turbine 8, a second clutch 12 is connected between the driving shaft of the working medium pump 11 and the output shaft of the ORC turbine 13, the gas inlet of the turbine 8 comprises a main gas inlet and a gas supplementing port, the outlet of the high-pressure superheater 106 is connected with the main gas port of the turbine 8, the outlet of the low-pressure superheater 104 is connected with a steam supplementing port of the steam turbine 8, the steam turbine 8 is a back-pressure steam turbine, the pressure of the steam outlet of the steam turbine 8 is 0.3MPa, the steam temperature of the steam outlet of the steam turbine 8 is 150 ℃, the organic working medium is R245fa, the pressure of the organic working medium steam at the inlet of the ORC turbine 13 is 1.4MPa, and the temperature of the organic working medium steam at the inlet of the ORC turbine 13 is 110 ℃.
According to the utility model, high-temperature roasting materials flow from top to bottom of a boiler body 1 and sequentially pass through a high-pressure superheater 106, a high-pressure evaporator 105, a low-pressure superheater 104, a high-pressure economizer 103, a low-pressure evaporator 102 and a low-pressure economizer 101, after heat exchange, the solid materials are reduced to low-temperature roasting materials, the low-temperature roasting materials are discharged from the bottom of the boiler body 1, condensate water is firstly conveyed to the low-pressure economizer 101 of the dual-pressure waste heat boiler 1 through a condensate pump 6, and then enters a deaerator 3 to deoxidize and become low-pressure saturated water, the deoxidized low-pressure saturated water flows into a low-pressure steam drum 4, a part of saturated water in the low-pressure steam drum 4 flows into the low-pressure evaporator 102 through a low-pressure down pipe below the low-pressure steam drum 4 to exchange heat to generate low-pressure saturated steam, the saturated steam enters the low-pressure drum 4 through a low-pressure up pipe below the low-pressure steam drum 4, the saturated steam enters the low-pressure superheater 104 from the upper part of the low-pressure steam drum 4 to further exchange heat to generate low-pressure superheated steam, the low-pressure superheated steam enters the deaerator 3 as a heat source, and enters another intermediate-pressure steam supplementing stage 8 to perform work.
The saturated water in the low-pressure steam drum 4 is mostly sent into the high-pressure economizer 103 of the double-pressure waste heat boiler 1 through the high-pressure water pump 5 to be preheated, the preheated high-pressure water is changed into high-pressure saturated water to enter the high-pressure steam drum 2, the high-pressure saturated water flows into the high-pressure evaporator 105 of the double-pressure waste heat boiler 1 through the high-pressure reducing pipe of the high-pressure steam drum 2 to be evaporated to generate high-pressure saturated steam, the high-pressure saturated steam enters the high-pressure steam drum 2 through the high-pressure rising pipe of the high-pressure steam drum 2, the high-pressure saturated steam enters the high-pressure superheater 106 of the double-pressure waste heat boiler 1 from the upper part of the high-pressure steam drum 2 to be subjected to heat exchange again to generate high-pressure superheated steam, and the high-pressure superheated steam drives the steam turbine 8 to do work.
The high-pressure superheated steam enters the steam turbine 8 through a main steam port of the steam turbine 8, the low-pressure superheated steam enters the steam turbine 8 through a steam supplementing port of the steam turbine 8, and the high-pressure superheated steam and the low-pressure superheated steam drive the steam turbine 8 to do work. The low-pressure steam discharged from the steam turbine 8 is condensed into condensate by heat exchange with the organic working medium in the ORC evaporator 7, and the condensate passes through the condensate pump 6 and circulates in the process.
The turbine 8 is a back pressure turbine, exhaust steam after the turbine 8 performs work exchanges heat with organic working medium in the ORC evaporator 7 to generate organic working medium steam, and the organic working medium steam drives the ORC turbine 13 to do work, so that the step power generation of waste heat is realized. The organic working medium steam discharged by the ORC turbine 13 enters the ORC condenser 14 to be condensed into organic working medium liquid, and the organic working medium is conveyed to the ORC evaporator 7 by the working medium pump 11 to be evaporated again to generate the organic working medium steam to drive the ORC turbine 13 to do work.
The utility model comprises the following working states:
(1) When the rotating speeds of the steam turbine 8 and the ORC turbine 13 are smaller than the rotating speed of the motor, the 1 st clutch 9 and the 2 nd clutch are not engaged 12, the motor 10 is in a motor working mode, and the motor 10 independently drives the working medium pump 11 to work;
(2) When the rotating speed of the steam turbine 8 is greater than the rotating speed of the motor 11, the rotating speed of the ORC turbine 13 is less than the rotating speed of the motor 10, and the output shaft work of the steam turbine 8 is less than the shaft work required by the working medium pump 13, the 1 st clutch 9 is engaged, the 2 nd clutch 12 is not engaged, the motor 10 is still in a motor mode, and the output shaft work of the steam turbine 8 is used as compensation of the shaft work required by the working medium pump 11;
(3) When the rotating speed of the steam turbine 8 is greater than the rotating speed of the motor 10, the rotating speed of the ORC turbine 13 is less than the rotating speed of the motor 10, and the output shaft work of the steam turbine 8 is greater than the shaft work required by the working medium pump 13, the 1 st clutch 9 is engaged, the 2 nd clutch 12 is not engaged, the motor 10 is in a generator mode, one part of the output shaft work of the steam turbine 8 compensates the shaft work of the working medium pump 11, and the other part of the output shaft work of the steam turbine 8 is converted into electric energy by the motor 10 and is output to a power grid;
(4) When the rotating speed of the steam turbine 8 is greater than the rotating speed of the motor 10, the rotating speed of the ORC turbine 13 is greater than the rotating speed of the motor 10, and the output shaft work of the steam turbine 8 and the ORC turbine 13 is greater than the shaft work required by the working medium pump 11, the 1 st clutch 9 and the 2 nd clutch 12 are engaged, the motor 10 is in a generator mode, one part of the output shaft work of the steam turbine 8 and the ORC turbine 13 compensates the shaft work of the working medium pump 11, and the other part of the output shaft work is converted into electric energy by the motor 10 and is output to a power grid.
Further, the first clutch 9 includes a plurality of ratchet wheels, a spring, ratchet teeth and ratchet drums, the ratchet teeth are provided with a plurality of ratchet teeth, the ratchet teeth are circumferentially and uniformly distributed on the ratchet wheels, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drums are meshed with the ratchet teeth, the ratchet wheels of the first clutch 9 are connected to the output shaft of the steam turbine 8, and the ratchet drums of the first clutch 9 are connected to one shaft extension of the motor 10. The second clutch 12 comprises a ratchet wheel, a spring, a plurality of ratchet teeth and a ratchet drum, wherein the ratchet teeth are uniformly distributed on the ratchet wheel in circumference, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drum is meshed with the ratchet teeth, the ratchet wheel of the second clutch 12 is connected to the driving shaft of the working medium pump 11, and the ratchet drum of the second clutch 12 is connected to the output shaft of the ORC turbine 13.
When the rotation speed of the steam turbine 8 is smaller than that of the motor 10, the motor 10 and the steam turbine 8 are not meshed. When the rotating speed of the steam turbine 8 is higher than that of the motor 10, the rotating speed ratchet wheel 15 outputs torque to the ratchet drum 18 through the ratchet 17, the steam turbine 8 is meshed with the motor 10 through the 1 st clutch, and the steam turbine 8 outputs shaft work to the motor 10.
When the rotating speed of the ORC turbine 13 is smaller than that of the working medium pump 11, the ratchet wheel ratchet drum of the clutch is not connected, and the ORC turbine 13 does not output shaft work to the working medium pump 11. When the rotating speed of the ORC turbine 13 is greater than that of the working medium pump 11, the rotating speed ratchet wheel 15 outputs torque to the ratchet drum 18 through the ratchet 17, the ORC turbine 8 is meshed with the working medium pump 11 through the 2 nd clutch, and the ORC turbine 13 outputs shaft work to the working medium pump 11.
The utility model solves the problem that the waste heat of the high-temperature roasting material generated by the coal-based hydrogen metallurgy process cannot be effectively utilized, and the waste heat of the high-temperature roasting material is converted into high-temperature steam by utilizing the solid waste heat boiler, the high-temperature steam drives the steam turbine to drive the generator to generate power, the low-pressure steam discharged by the steam turbine further exchanges heat with the organic working medium to generate high-pressure organic working medium steam, and the organic working medium steam drives the steam turbine to drive the generator to generate power, so that the high-efficiency recycling of the waste heat of the high-temperature roasting material of the coal-based hydrogen metallurgy is realized.
Claims (10)
1. The utility model provides a coal-based hydrogen metallurgy high temperature roasting material waste heat step power generation facility, includes two pressure exhaust-heat boiler, and two pressure exhaust-heat boiler is including boiler body (1), is provided with low pressure economizer (101), low pressure evaporator (102), high pressure economizer (103), low pressure superheater (104), high pressure evaporator (105) and high pressure superheater (106) from bottom to top in boiler body (1); the method is characterized in that: comprises a high-pressure steam drum (2), a deaerator (3), a low-pressure steam drum (4), a high-pressure water pump (5), a condensate pump (6), an ORC evaporator (7), a steam turbine (8) and a motor (10), wherein the deaerator (3) is connected to the upper part of the low-pressure steam drum (4), the outlet of the condensate pump (6) is connected with the inlet of a low-pressure economizer (101) through a pipeline, the outlet of the low-pressure economizer (101) is connected with the deaerator (3) through a pipeline, the lower part of the low-pressure steam drum (4) is connected with the inlet of the low-pressure evaporator (102) through a pipeline, the outlet of the low-pressure evaporator (102) is connected with the lower part of the low-pressure steam drum (4) through a pipeline, the lower part of the low-pressure steam drum (4) is connected with the inlet of the high-pressure economizer (103) through a pipeline, the high-pressure water pump (5) is connected to the pipeline between the low-pressure drum (4) and the inlet of the high-pressure economizer (103), the outlet of the high-pressure economizer (103) is connected with the lower part of the high-pressure drum (2) through a pipeline, the lower part of the high-pressure evaporator (2) is connected with the high-pressure evaporator (105) through a pipeline and the high-pressure inlet of the high-pressure evaporator (106) through a pipeline, the high-pressure steam drum (105) is connected with the high-pressure steam drum (106) through the high-pressure inlet (106), the upper part of the low-pressure steam drum (4) is connected with the inlet of the low-pressure superheater (104) through a pipeline, the outlet of the low-pressure superheater (104) is connected with the deaerator (3) and the steam inlet of the steam turbine (8) through pipelines respectively, and the output shaft of the steam turbine (8) is connected with the shaft of the motor (10); the pipeline between the inlet of the low-pressure evaporator (102) and the low-pressure steam drum (4), the pipeline between the outlet of the low-pressure evaporator (102) and the low-pressure steam drum (4), the pipeline between the low-pressure steam drum (4) and the inlet of the high-pressure economizer (103) are mutually connected in parallel, the pipeline between the outlet of the high-pressure economizer (103) and the high-pressure steam drum (2), the pipeline between the inlet of the high-pressure evaporator (105) and the high-pressure steam drum (2) and the pipeline between the outlet of the high-pressure evaporator (105) and the high-pressure steam drum (2) are mutually connected in parallel.
2. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the ORC evaporator (7) comprises a cooling pipeline, a steam outlet of the steam turbine (8) is connected with an inlet of the cooling pipeline of the ORC evaporator (7) through a pipeline, and an outlet of the cooling pipeline of the ORC evaporator (7) is connected with an inlet of the condensate pump (6) through a connection.
3. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the utility model provides a working substance pump (11), ORC turbine (13) and ORC condenser (14), ORC evaporator (7) include organic working substance pipeline, the organic working substance pipeline export of ORC evaporator (7) is connected with ORC turbine (13) steam inlet through the pipeline, ORC turbine (13) steam outlet is connected with ORC condenser (14) entry through the pipeline, ORC condenser (14) export is connected with working substance pump (11) entry through the pipeline, working substance pump (11) export is connected with the organic working substance pipeline entry of ORC evaporator (7) through the pipeline.
4. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device according to claim 3, wherein the device comprises the following components: the motor (10) is a double-end shaft extension asynchronous motor, the working medium pump (11) is a double-drive double-end pump, two shaft extensions of the motor (10) are respectively connected with one driving shaft of the working medium pump (11) and an output shaft of the steam turbine (8), and the other driving shaft of the working medium pump (11) is connected with an output shaft of the ORC turbine (13).
5. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: a first clutch (9) is connected between the shaft extension of the motor (10) and the output shaft of the steam turbine (8), and a second clutch (12) is connected between the driving shaft of the working medium pump (11) and the output shaft of the ORC turbine (13).
6. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the steam inlet of the steam turbine (8) comprises a main steam inlet and a steam supplementing port, the outlet of the high-pressure superheater (106) is connected with the main steam inlet of the steam turbine (8), and the outlet of the low-pressure superheater (104) is connected with the steam supplementing port of the steam turbine (8).
7. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the steam turbine (8) is a back pressure steam turbine, the pressure of the steam outlet of the steam turbine (8) is 0.3MPa, and the steam temperature of the steam outlet of the steam turbine (8) is 150 ℃.
8. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the organic working medium is R245fa, the pressure of the organic working medium steam at the inlet of the ORC turbine (13) is 1.4mpa, and the temperature of the organic working medium steam at the inlet of the ORC turbine (13) is 110 ℃.
9. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the first clutch (9) comprises a ratchet wheel, a spring, a plurality of ratchet teeth and a ratchet drum, wherein the ratchet teeth are uniformly distributed on the ratchet wheel in circumference, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drum is meshed with the ratchet teeth, the ratchet wheel of the first clutch (9) is connected to an output shaft of the steam turbine (8), and the ratchet drum of the first clutch (9) is connected to an axle extension of the motor (10).
10. The coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device is characterized in that: the second clutch (12) comprises a ratchet wheel, a spring, a plurality of ratchet teeth and a ratchet drum, wherein the ratchet teeth are uniformly distributed on the ratchet wheel in circumference, the spring is connected between each ratchet tooth and the ratchet wheel, the ratchet drum is meshed with the ratchet teeth, the ratchet wheel of the second clutch (12) is connected to a driving shaft of the working medium pump (11), and the ratchet drum of the second clutch (12) is connected to an output shaft of the ORC turbine (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321347690.9U CN220489753U (en) | 2023-05-31 | 2023-05-31 | Coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321347690.9U CN220489753U (en) | 2023-05-31 | 2023-05-31 | Coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489753U true CN220489753U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321347690.9U Active CN220489753U (en) | 2023-05-31 | 2023-05-31 | Coal-based hydrogen metallurgy high-temperature roasting material waste heat step power generation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN220489753U (en) |
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2023
- 2023-05-31 CN CN202321347690.9U patent/CN220489753U/en active Active
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