Catalyst regeneration energy recovery power device
By designing a catalyst regeneration energy recovery power device to optimize heat source heat recovery and heat exchange, the problems of temperature difference loss and low flue gas energy utilization efficiency during catalyst regeneration are solved, and efficient and economical energy recovery and utilization are achieved.
Patent Information
- Application Number
- CN202510199062.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-02-17
- Filing Date
- 2025-02-16
- Publication Date
- 2025-06-24
AI Technical Summary
There is an irreversible loss of temperature difference during the regeneration process of existing catalysts, low flue gas energy utilization efficiency, and failure to integrate flue gas energy recovery with oil refining production processes, resulting in large room for improvement in energy utilization.
A catalyst regeneration energy recovery power device is designed, including a charred-regeneration system, heat source heat regeneration, expander, compressor, booster pump, heat source heat exchanger, condenser and evaporator. By optimizing heat source heat recovery and heat exchange, the utilization efficiency of flue gas energy is improved and integrated with the refining production process.
It effectively reduces the temperature difference loss during the catalyst regeneration process, improves the utilization efficiency of flue gas energy, improves the recovery and utilization value of catalyst regeneration energy, reduces costs, and improves the thermal efficiency of the system.
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Figure CN120193898A_ABST
Abstract
Description
Technical Field:
[0001] The present invention belongs to the technical field of thermodynamics and thermal power technology. Background Art:
[0002] Catalytic cracking is a process in which heavy petroleum hydrocarbons produce light oil products such as liquefied gas, gasoline, and diesel under the action of a catalyst. When the feedstock oil undergoes catalytic cracking on the catalyst, on the one hand, products such as gas, gasoline, and diesel are generated through cracking and other reactions, and on the other hand, a condensation reaction occurs simultaneously to form coke deposited on the surface of the catalyst - this reduces the activity of the catalyst.
[0003] People burn off the coke deposited on the catalyst with air to restore the activity of the catalyst - catalyst regeneration. A large amount of heat energy at a relatively high temperature is released during this process and should be fully utilized. Currently, the main means of recovering the energy of the regenerated flue gas is to set up a waste heat boiler to generate steam or further generate power. However, after careful analysis, the following problems are found:
[0004] (1) There are relatively large temperature difference irreversible losses during the coke burning process; (2) In the utilization link, the temperature and quantity of the flue gas are not considered simultaneously; (3) The technology for utilizing the energy of the flue gas needs to be improved, and there is still a large room for improvement in both power utilization and heat supply utilization; (4) The energy recovery of the flue gas is not combined with the overall energy utilization of the oil refining production process to enhance its application value.
[0005] Based on the basic principles of simple, active, safe, and efficient energy utilization, the present invention provides a catalyst regeneration energy recovery power device with a reasonable process, simple structure, and capable of realizing high-efficiency / high-value recovery and utilization of the energy for catalyst regeneration. Summary of the Invention:
[0006] The main object of the present invention is to provide a catalyst regeneration energy recovery power device, and the specific content of the invention is elaborated item by item as follows:
[0007] 1. A catalyst regeneration energy recovery power device mainly consists of a burning-regeneration system, a heat source recuperator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, and an evaporator. There is an air passage outside that is connected to the burning-regeneration system through the heat source recuperator. The burning-regeneration system also has a flue gas passage that is connected to the outside through the heat source heat exchanger and the heat source recuperator. The condenser has a condensate pipeline that is connected to the evaporator through the booster pump. After that, the evaporator has a steam passage that is connected to the heat source heat exchanger. The compressor has a steam passage that is connected to the heat source heat exchanger. The heat source heat exchanger also has a steam passage that is connected to the expander. The expander also has a low-pressure steam passage that is divided into two paths after passing through the evaporator - the first path is connected to the compressor and the second path is connected to the condenser. The condenser also has a cooling medium passage that is connected to the outside. The expander is connected to the compressor and transmits power, forming a catalyst regeneration energy recovery power device. Among them, or the expander is connected to the compressor and the booster pump and transmits power.
[0008] 2. A catalyst regeneration energy recovery power device mainly consists of a burning-regeneration system, a heat source recuperator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator, and a recuperator. There is an air passage outside that is connected to the burning-regeneration system through the heat source recuperator. The burning-regeneration system also has a flue gas passage that is connected to the outside through the heat source heat exchanger and the heat source recuperator. The condenser has a condensate pipeline that is connected to the evaporator through the booster pump. After that, the evaporator has a steam passage that is connected to the heat source heat exchanger through the recuperator. The compressor has a steam passage that is connected to the heat source heat exchanger through the recuperator. The heat source heat exchanger also has a steam passage that is connected to the expander. The expander also has a low-pressure steam passage that is divided into two paths after passing through the recuperator and the evaporator - the first path is connected to the compressor and the second path is connected to the condenser. The condenser also has a cooling medium passage that is connected to the outside. The expander is connected to the compressor and transmits power, forming a catalyst regeneration energy recovery power device. Among them, or the expander is connected to the compressor and the booster pump and transmits power.
[0009] 3. The catalyst regeneration energy recovery power device mainly consists of a burning-regeneration system, a heat source recuperator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator and a recuperator; externally, there is an air passage connected to the burning-regeneration system through the heat source recuperator, and the burning-regeneration system also has a flue gas passage connected to the outside through the heat source heat exchanger and the heat source recuperator. The condenser has a condensate pipeline connected to the evaporator through the booster pump, and then the evaporator has a steam passage connected to the heat source heat exchanger through the recuperator. The compressor has a steam passage connected to the heat source heat exchanger through the recuperator. The heat source heat exchanger also has a steam passage connected to the expander. The expander also has a steam passage connected to itself through the recuperator. The expander also has a low-pressure steam passage that is divided into two paths after passing through the evaporator - the first path is connected to the compressor and the second path is connected to the condenser; the condenser also has a cooling medium passage connected to the outside. The expander is connected to the compressor and transmits power, forming a catalyst regeneration energy recovery power device; among them, or the expander is connected to the compressor and the booster pump and transmits power.
[0010] 4. The catalyst regeneration energy recovery power device is in any one of the catalyst regeneration energy recovery power devices described in Items 1-3, with a second booster pump and a low-temperature recuperator added. The connection of the condensate pipeline of the condenser to the booster pump is adjusted to the condensate pipeline of the condenser being connected to the low-temperature recuperator through the second booster pump. The compressor is additionally provided with a steam extraction passage connected to the low-temperature recuperator, and then the low-temperature recuperator has a condensate pipeline connected to the booster pump, forming a catalyst regeneration energy recovery power device.
[0011] 5. The catalyst regeneration energy recovery power device is in the catalyst regeneration energy recovery power device described in Item 1 or Item 3, with a second evaporator and a diffuser added. The connection of the low-pressure steam passage of the expander to the evaporator is adjusted to the low-pressure steam passage of the expander being connected to the second evaporator through the evaporator. The connection of the low-pressure steam passage of the evaporator to the compressor and the condenser respectively is adjusted to the second evaporator having a low-pressure steam passage connected to the compressor and the condenser respectively. The connection of the condensate pipeline of the condenser to the evaporator through the booster pump is adjusted to the condensate pipeline of the condenser being connected to the second evaporator through the booster pump, and then the second evaporator has a wet steam passage connected to the evaporator through the diffuser, forming a catalyst regeneration energy recovery power device.
[0012] 6. The catalyst regeneration energy recovery power device is the one described in Item 2 of the catalyst regeneration energy recovery power device, with a second evaporator and a diffuser added. The connection of the low-pressure steam channel of the recuperator to the evaporator is adjusted to that the low-pressure steam channel of the recuperator is connected to the second evaporator through the evaporator. The connection of the low-pressure steam channels of the evaporator to the compressor and the condenser respectively is adjusted to that the low-pressure steam channels of the second evaporator are connected to the compressor and the condenser respectively. The connection of the condensate pipeline of the condenser to the evaporator through the booster pump is adjusted to that the condensate pipeline of the condenser is connected to the second evaporator through the booster pump, and then the second evaporator has a wet steam channel connected to the evaporator through the diffuser, thus forming a catalyst regeneration energy recovery power device.
[0013] 7. The catalyst regeneration energy recovery power device is the one described in any one of Items 1 - 6 of the catalyst regeneration energy recovery power device, with a combustion chamber added. There is an external hydrogen channel connected to the combustion chamber, and there is also an external oxygen channel connected to the combustion chamber. The connection of the steam channel of the heat source heat exchanger to the expander is adjusted to that the steam channel of the heat source heat exchanger is connected to the combustion chamber, and then the combustion chamber has a steam channel connected to the expander. A condensate pipeline is added to the condenser and connected to the outside, thus forming a catalyst regeneration energy recovery power device.
[0014] 8. The catalyst regeneration energy recovery power device is the one described in any one of Items 1 - 6 of the catalyst regeneration energy recovery power device, with a heating furnace and a new heat source recuperator added. There is an external fuel channel connected to the heating furnace, and there is an external air channel connected to the heating furnace through the new heat source recuperator. The heating furnace also has a gas channel connected to the outside through the new heat source recuperator. The connection of the steam channel of the heat source heat exchanger to the expander is adjusted to that the steam channel of the heat source heat exchanger is connected to the expander through the heating furnace, thus forming a catalyst regeneration energy recovery power device.
[0015] 9. The catalyst regeneration energy recovery power device is the one described in any one of Items 1 - 8 of the catalyst regeneration energy recovery power device, with an expansion speed increaser added to replace the expander, a dual-energy compressor added to replace the compressor, and a new diffuser added to replace the booster pump, thus forming a catalyst regeneration energy recovery power device.
[0016] 10. The catalyst regeneration energy recovery power device is the one described in any one of Items 1 - 9 of the catalyst regeneration energy recovery power device, with an air compressor added. The connection of the external air channel to the coking-regeneration system through the heat source recuperator is adjusted to that the external air channel is connected to the coking-regeneration system through the air compressor and the heat source recuperator. A gas turbine is added. The connection of the flue gas channel of the coking-regeneration system to the outside through the heat source heat exchanger and the heat source recuperator is adjusted to that the flue gas channel of the coking-regeneration system is connected to the outside through the gas turbine, the heat source heat exchanger and the heat source recuperator. The gas turbine is connected to the air compressor and transmits power, thus forming a catalyst regeneration energy recovery power device.
[0017] 11. The catalyst regeneration energy recovery power device is any one of the catalyst regeneration energy recovery power devices described in Items 1 - 10, with an additional auxiliary combustion chamber. There is a fuel channel outside connected to the auxiliary combustion chamber. The flue gas channel of the charring-regeneration system is adjusted to be connected to the auxiliary combustion chamber through a heat source heat exchanger and a heat source regenerator and then connected to the outside. Instead, the flue gas channel of the charring-regeneration system is connected to the auxiliary combustion chamber, and the auxiliary combustion chamber then has a flue gas channel connected to the outside through a heat source heat exchanger and a heat source regenerator, forming a catalyst regeneration energy recovery power device.
[0018] 12. The catalyst regeneration energy recovery power device is any one of the catalyst regeneration energy recovery power devices described in Item 11. An air compressor is added. The air channel outside is adjusted to be connected to the charring-regeneration system through an air compressor and a heat source regenerator instead of being directly connected through a heat source regenerator. A gas turbine is added. The flue gas channel of the auxiliary combustion chamber is adjusted to be connected to the outside through a gas turbine, a heat source heat exchanger, and a heat source regenerator instead of being directly connected through a heat source heat exchanger and a heat source regenerator, forming a catalyst regeneration energy recovery power device. Description of the Drawings:
[0019] Figure 1 It is the first principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0020] Figure 2 It is the second principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0021] Figure 3 It is the third principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0022] Figure 4 It is the fourth principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0023] Figure 5 It is the fifth principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0024] Figure 6 It is the sixth principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0025] Figure 7 It is the seventh principle thermodynamic system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0026] Figure 8It is the 8th schematic thermal system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0027] Figure 9 It is the 9th schematic thermal system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0028] Figure 10 It is the 10th schematic thermal system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0029] Figure 11 It is the 11th schematic thermal system diagram of the catalyst regeneration energy recovery power device provided by the present invention.
[0030] In the figure, 1 - coke burning - regeneration system, 2 - heat source recuperator, 3 - expander, 4 - compressor, 5 - booster pump, 6 - heat source heat exchanger, 7 - condenser, 8 - evaporator, 9 - recuperator, 10 - second booster pump, 11 - low - temperature recuperator, 12 - second evaporator, 13 - diffuser, 14 - expansion and speed - increasing machine, 15 - dual - energy compressor, 16 - new diffuser; A - combustion chamber, B - heating furnace, C - new heat source recuperator, D - air compressor, E - expander - generator, F - auxiliary combustion chamber. Specific implementation mode:
[0031] First of all, it should be noted that in the description of the structure and process, it will not be repeated unless necessary; the obvious processes will not be described. The present invention will be described in detail below with reference to the drawings and examples.
[0032] Figure 1 The catalyst regeneration energy recovery power device shown is realized as follows:
[0033] (1) In terms of structure, it mainly consists of a coke burning - regeneration system, a heat source recuperator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser and an evaporator; externally, there is an air channel connected to the coke burning - regeneration system 1 through the heat source recuperator 2, and the coke burning - regeneration system 1 also has a flue gas channel connected to the outside through the heat source heat exchanger 6 and the heat source recuperator 2. The condenser 7 has a condensate pipeline connected to the evaporator 8 through the booster pump 5, and then the evaporator 8 has a steam channel connected to the heat source heat exchanger 6. The compressor 4 has a steam channel connected to the heat source heat exchanger 6. The heat source heat exchanger 6 also has a steam channel connected to the expander 3. The expander 3 has a low - pressure steam channel that is divided into two paths after passing through the evaporator 8 - the first path is connected to the compressor 4 and the second path is connected to the condenser 7; the condenser 7 also has a cooling medium channel connected to the outside. The expander 3 is connected to the compressor 4 and transmits power.
[0034] (2) In terms of the process, the external air flows through the heat source regenerator 2 to absorb heat and heat up, and then enters the charring-regeneration system 1 to participate in combustion; the air and the catalyst surface coke to undergo a series of processes including combustion to achieve catalyst regeneration and generate flue gas, and the flue gas generated by the charring-regeneration system 1 and separated and purified is provided to the heat source heat exchanger 6, and the flue gas flows through the heat source heat exchanger 6 and the heat source regenerator 2 to gradually release heat and cool down, and then is discharged to the outside; the condensate discharged from the condenser 7 flows through the booster pump 5 to increase the pressure, flows through the evaporator 8 to absorb heat and heat up, and then enters the heat source heat exchanger 6 to absorb heat and heat up, and the compressor The steam discharged from the heat source heat exchanger 4 absorbs heat and rises in temperature; the steam discharged from the heat source heat exchanger 6 flows through the expander 3 to reduce pressure and perform work, flows through the evaporator 8 to release heat and cool down, and then is divided into two paths - the first path enters the compressor 4 to increase pressure and increase temperature, and the second path enters the condenser 7 to release heat and condense; the flue gas discharged from the charring-regeneration system 1 provides a driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 7, and the air and flue gas take away the discharge heat load through the in-and-out process; the work output by the expander 3 is provided to the compressor 4 and an external driving force, or the work output by the expander 3 is provided to the compressor 4, the booster pump 5 and an external driving force, forming a catalyst regeneration energy recovery power device.
[0035] Figure 2 The catalyst regeneration energy recovery power device shown is implemented as follows:
[0036] (1) Structurally, it is mainly composed of a char-regeneration system, a heat source regenerator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator and a regenerator; an air channel is connected to the char-regeneration system 1 through the heat source regenerator 2, and the char-regeneration system 1 also has a flue gas channel connected to the outside through the heat source heat exchanger 6 and the heat source regenerator 2. The condenser 7 has a condensate pipeline connected to the evaporator 8 through the booster pump 5, and then the evaporator 8 has a steam channel connected to the heat source heat exchanger 6 through the regenerator 9. The compressor 4 has a steam channel connected to the heat source heat exchanger 6 through the regenerator 9. The heat source heat exchanger 6 also has a steam channel connected to the expander 3. The expander 3 also has a low-pressure steam channel that is divided into two paths after passing through the regenerator 9 and the evaporator 8 - the first path is connected to the compressor 4 and the second path is connected to the condenser 7; the condenser 7 also has a cooling medium channel connected to the outside, and the expander 3 is connected to the compressor 4 and transmits power.
[0037] (2) In terms of process, Figure 1 Compared with the catalyst regeneration energy recovery power device shown in the figure, the difference is that: the high-pressure steam discharged from the compressor 4 and the evaporator 8 flows through the regenerator 9 to absorb heat and heat up, and then enters the heat source heat exchanger 6 to absorb heat and heat up; the low-pressure steam discharged from the expander 3 flows through the regenerator 9 to release heat and cool down, and then enters the evaporator 8 to release heat and cool down, forming a catalyst regeneration energy recovery power device.
[0038] Figure 3 The catalyst regeneration energy recovery power device shown is realized as follows:
[0039] (1) Structurally, it mainly consists of a burning-regeneration system, a heat source recuperator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator, and a recuperator; externally, there is an air passage connected to the burning-regeneration system 1 through the heat source recuperator 2, and the burning-regeneration system 1 also has a flue gas passage connected to the outside through the heat source heat exchanger 6 and the heat source recuperator 2. The condenser 7 has a condensate pipeline connected to the evaporator 8 through the booster pump 5, and then the evaporator 8 has a steam passage connected to the heat source heat exchanger 6 through the recuperator 9. The compressor 4 has a steam passage connected to the heat source heat exchanger 6 through the recuperator 9. The heat source heat exchanger 6 also has a steam passage connected to the expander 3. The expander 3 also has a steam passage connected to itself through the recuperator 9. The expander 3 also has a low-pressure steam passage that is divided into two paths after passing through the evaporator 8 - the first path is connected to the compressor 4 and the second path is connected to the condenser 7; the condenser 7 also has a cooling medium passage connected to the outside, and the expander 3 is connected to the compressor 4 and transmits power.
[0040] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the difference lies in that the high-pressure steam discharged by the compressor 4 and the evaporator 8 flows through the recuperator 9 to absorb heat and increase in temperature, and then enters the heat source heat exchanger 6 to absorb heat and increase in temperature; the steam discharged by the heat source heat exchanger 6 enters the expander 3 to reduce pressure and do work. After reaching a certain level, it flows through the recuperator 9 to release heat and decrease in temperature, then enters the expander 3 to continue to reduce pressure and do work, and then enters the evaporator 8 to release heat and decrease in temperature, forming the catalyst regeneration energy recovery power device.
[0041] Figure 4 The catalyst regeneration energy recovery power device shown is realized as follows:
[0042] (1) Structurally, in Figure 1 the catalyst regeneration energy recovery power device shown, a second booster pump and a low-temperature recuperator are added. The connection of the condensate pipeline of the condenser 7 to the booster pump 5 is adjusted to that the condensate pipeline of the condenser 7 is connected to the low-temperature recuperator 11 through the second booster pump 10. The compressor 4 is additionally provided with a steam extraction passage connected to the low-temperature recuperator 11, and the low-temperature recuperator 11 then has a condensate pipeline connected to the booster pump 5.
[0043] (2) In terms of the process, compared with Figure 1Compared with the catalyst regeneration energy recovery power device shown, the differences are as follows: The condensate discharged from the condenser 7 flows through the second booster pump 10 to be boosted in pressure and then enters the low-temperature recuperator 11, where it mixes with the extraction steam from the compressor 4, absorbs heat and rises in temperature, and the extraction steam releases heat to become condensate; the condensate of the low-temperature recuperator 11 flows through the booster pump 5 to be boosted in pressure and then enters the evaporator 8 to absorb heat, rise in temperature and vaporize; the low-pressure steam discharged from the expander 3 flows through the evaporator 8 to release heat and drop in temperature, and then is divided into two paths - the first path enters the compressor 4 to be boosted in pressure and rise in temperature, and the second path enters the condenser 7 to release heat and condense; the low-pressure steam enters the compressor 4 to be boosted in pressure and rise in temperature, and after reaching a certain level, it is divided into two paths - the first path is supplied to the low-temperature recuperator 11, and the second path continues to be boosted in pressure and rise in temperature and then is supplied to the heat source heat exchanger 6, forming the catalyst regeneration energy recovery power device.
[0044] Figure 5 The catalyst regeneration energy recovery power device shown is realized as follows:
[0045] (1) Structurally, in Figure 1 In the catalyst regeneration energy recovery power device shown, a second evaporator and a diffuser are added. The connection of the low-pressure steam channel of the expander 3 to the evaporator 8 is adjusted to that the low-pressure steam channel of the expander 3 is connected to the second evaporator 12 through the evaporator 8. The connection of the low-pressure steam channels of the evaporator 8 to the compressor 4 and the condenser 7 respectively is adjusted to that the second evaporator 12 has low-pressure steam channels connected to the compressor 4 and the condenser 7 respectively. The connection of the condensate pipeline of the condenser 7 to the evaporator 8 through the booster pump 5 is adjusted to that the condensate pipeline of the condenser 7 is connected to the second evaporator 12 through the booster pump 5, and then the second evaporator 12 has a wet steam channel connected to the evaporator 8 through the diffuser 13.
[0046] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the differences are as follows: The condensate discharged from the condenser 7 flows through the booster pump 5 to be boosted in pressure, flows through the second evaporator 12 to absorb heat, rise in temperature, partially vaporize and increase in speed, flows through the diffuser 13 to decrease in speed and increase in pressure, and then enters the evaporator 8 to absorb heat and vaporize; the low-pressure steam discharged from the expander 3 flows through the evaporator 8 and the second evaporator 12 to gradually release heat and drop in temperature, and then enters the compressor 4 to be boosted in pressure and rise in temperature and enters the condenser 7 to release heat and condense respectively, forming the catalyst regeneration energy recovery power device.
[0047] Figure 6 The catalyst regeneration energy recovery power device shown is realized as follows:
[0048] (1) Structurally, in Figure 1In the catalyst regeneration energy recovery power device shown, a combustion chamber A is added. There is a hydrogen channel outside that communicates with the combustion chamber A, and there is also an oxygen channel outside that communicates with the combustion chamber A. The adjustment is made such that the heat source heat exchanger 6, which originally had a steam channel communicating with the expander 3, now has a steam channel communicating with the combustion chamber A, and the combustion chamber A then has a steam channel communicating with the expander 3. The condenser 7 is additionally provided with a condensate water pipeline communicating with the outside.
[0049] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the differences are as follows: Hydrogen and oxygen at a relatively high pressure enter the combustion chamber A, and hydrogen and oxygen burn in the combustion chamber A to generate high-pressure and high-temperature steam; the steam discharged from the heat source heat exchanger 6 enters the combustion chamber A, mixes with the high-pressure and high-temperature steam, absorbs heat, and increases in temperature. The steam discharged from the combustion chamber A enters the expander 3 to reduce pressure and do work; the condensed water of the condenser 7 is divided into two paths - the first path is supplied to the booster pump 5, and the second path is discharged to the outside; the additional hydrogen provides the driving heat load through the combustion chamber A, forming the catalyst regeneration energy recovery power device.
[0050] Figure 7 The catalyst regeneration energy recovery power device shown is realized as follows:
[0051] (1) In terms of the structure, in Figure 1 the catalyst regeneration energy recovery power device shown, a heating furnace B and a new heat source regenerator C are added. There is a fuel channel outside that communicates with the heating furnace B, there is an air channel outside that communicates with the heating furnace B through the new heat source regenerator C, and the heating furnace B also has a gas channel that communicates with the outside through the new heat source regenerator C; the adjustment is made such that the heat source heat exchanger 6, which originally had a steam channel communicating with the expander 3, now has a steam channel communicating with the expander 3 through the heating furnace B.
[0052] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the differences are as follows: External fuel enters the heating furnace B, external air flows through the new heat source regenerator C to absorb heat and increase in temperature and then enters the heating furnace B. The fuel and air are mixed and burned in the heating furnace B to generate high-temperature gas. The gas releases heat to the steam flowing through the heating furnace B, and then flows through the new heat source regenerator C to release heat, reduce in temperature, and be discharged to the outside; the additional fuel provides the high-temperature driving heat load through the heating furnace B, and the air and gas take away the discharge heat load by entering and leaving the heating furnace B, forming the catalyst regeneration energy recovery power device.
[0053] Figure 8 The catalyst regeneration energy recovery power device shown is realized as follows:
[0054] (1) In terms of the structure, in Figure 1In the catalyst regeneration energy recovery power device shown, an expansion speed increaser 14 is added and replaces the expander 3, a dual-energy compressor 15 is added and replaces the compressor 4, and a new diffuser tube 16 is added and replaces the booster pump 5.
[0055] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the difference lies in that: the condensate discharged from the condenser 7 flows through the new diffuser tube 16 to reduce speed and increase pressure, flows through the evaporator 8 to absorb heat and increase temperature and vaporize, then enters the heat source heat exchanger 6 to absorb heat and increase temperature, the steam discharged from the dual-energy compressor 15 enters the heat source heat exchanger 6 to absorb heat and increase temperature, the steam discharged from the heat source heat exchanger 6 flows through the expansion speed increaser 14 to reduce pressure and do work and increase speed, flows through the evaporator 8 to release heat and reduce temperature, and then is divided into two paths - the first path enters the dual-energy compressor 15 to increase pressure, increase temperature and reduce speed, and the second path enters the condenser 7 to release heat and condense; the work output by the expansion speed increaser 14 is provided as power for the dual-energy compressor 15 and the outside, forming a catalyst regeneration energy recovery power device.
[0056] Figure 9 The catalyst regeneration energy recovery power device shown is realized as follows:
[0057] (1) Structurally, in Figure 1 the catalyst regeneration energy recovery power device shown, an air compressor D is added, and the connection of the outside air passage through the heat source regenerator 2 to the coking-regeneration system 1 is adjusted to the connection of the outside air passage through the air compressor D and the heat source regenerator 2 to the coking-regeneration system 1, and a gas turbine E is added, and the connection of the flue gas passage of the coking-regeneration system 1 through the heat source heat exchanger 6 and the heat source regenerator 2 to the outside is adjusted to the connection of the flue gas passage of the coking-regeneration system 1 through the gas turbine E, the heat source heat exchanger 6 and the heat source regenerator 2 to the outside; the gas turbine E is connected to the air compressor D and transmits power.
[0058] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the difference lies in that: the outside air flows through the air compressor D to increase pressure and temperature, flows through the heat source regenerator 2 to absorb heat and increase temperature, and then is provided to the coking-regeneration system 1; the flue gas discharged from the coking-regeneration system 1 flows through the gas turbine E to reduce pressure and do work, and then is provided to the heat source heat exchanger 6; the gas turbine E provides power to the air compressor D, forming a catalyst regeneration energy recovery power device.
[0059] Figure 10 The catalyst regeneration energy recovery power device shown is realized as follows:
[0060] (1) Structurally, in Figure 1In the catalyst regeneration energy recovery power device shown, an auxiliary combustion chamber F is added. There is a fuel channel outside that is connected to the auxiliary combustion chamber F. The flue gas channel of the charring-regeneration system 1, which was originally connected to the outside through the heat source heat exchanger 6 and the heat source regenerator 2, is adjusted to be connected to the auxiliary combustion chamber F. The auxiliary combustion chamber F then has a flue gas channel connected to the outside through the heat source heat exchanger 6 and the heat source regenerator 2.
[0061] (2) In terms of the process, compared with Figure 1 the catalyst regeneration energy recovery power device shown, the difference lies in that external fuel enters the auxiliary combustion chamber F, and the flue gas discharged from the charring-regeneration system 1 enters the auxiliary combustion chamber F; the fuel and the flue gas burn in the auxiliary combustion chamber F to form flue gas at a higher temperature, which is provided to the heat source heat exchanger 6, thus forming a catalyst regeneration energy recovery power device.
[0062] Figure 11 The catalyst regeneration energy recovery power device shown is realized as follows:
[0063] (1) In terms of the structure, in Figure 10 the catalyst regeneration energy recovery power device shown, an air compressor D is added. The external air channel, which was originally connected to the charring-regeneration system 1 through the heat source regenerator 2, is adjusted to be connected to the charring-regeneration system 1 through the air compressor D and the heat source regenerator 2. A gas turbine E is added. The flue gas channel of the auxiliary combustion chamber F, which was originally connected to the outside through the heat source heat exchanger 6 and the heat source regenerator 2, is adjusted to be connected to the outside through the gas turbine E, the heat source heat exchanger 6 and the heat source regenerator 2.
[0064] (2) In terms of the process, compared with Figure 10 the catalyst regeneration energy recovery power device shown, the difference lies in that external air flows through the air compressor D to increase the pressure and temperature, and then flows through the heat source regenerator 2 to absorb heat and increase the temperature, and then is provided to the charring-regeneration system 1; the flue gas discharged from the auxiliary combustion chamber F flows through the gas turbine E to reduce the pressure and do work, and then is provided to the heat source heat exchanger 6; the gas turbine E provides power to the air compressor D, thus forming a catalyst regeneration energy recovery power device.
[0065] The effects that can be achieved by the technology of the present invention - the catalyst regeneration energy recovery power device proposed by the present invention has the following effects and advantages:
[0066] (1) Reduce the irreversible loss of temperature difference during the catalyst regeneration process and increase the temperature of the driving heat source.
[0067] (2) Increase the average temperature of the driving heat load of the thermodynamic system, thereby increasing the thermal efficiency of the gas power system by increasing the heat absorption temperature.
[0068] (3) Fuel (such as refinery gas or purchased fuel) provides high temperature to drive the heat load through the combustion chamber / furnace, greatly enhancing the power application value of the energy recovered from the regenerated flue gas.
[0069] (4) Simple technical measures are taken to achieve efficient / high-value utilization of the flue gas energy, reduce costs, and enhance economic efficiency.
[0070] (5) The simple combined cycle completes the conversion of heat into work, with small systematic temperature difference losses, improving the thermal efficiency of the device.
[0071] (6) Multiple technical solutions are provided, which is conducive to expanding the application scope and value of the catalyst regeneration energy recovery power device.
Claims
1. A catalyst regeneration energy recovery power device, mainly composed of a char-regeneration system, a heat source regenerator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser and an evaporator; an air channel is connected to the char-regeneration system (1) through the heat source regenerator (2), and the char-regeneration system (1) also has a flue gas channel connected to the outside through the heat source heat exchanger (6) and the heat source regenerator (2), and the condenser (7) has a condensate pipeline connected to the evaporator (8) through the booster pump (5), and the evaporator (8) has a steam channel The heat source heat exchanger (6) is connected to the compressor (4), the compressor (4) has a steam channel connected to the heat source heat exchanger (6), the heat source heat exchanger (6) also has a steam channel connected to the expander (3), the expander (3) also has a low-pressure steam channel that is divided into two paths after passing through the evaporator (8) - the first path is connected to the compressor (4) and the second path is connected to the condenser (7); the condenser (7) also has a cooling medium channel connected to the outside, the expander (3) is connected to the compressor (4) and transmits power, forming a catalyst regeneration energy recovery power device; wherein, Or the expander (3) is connected to the compressor (4) and the booster pump (5) and transmits power.
2. A catalyst regeneration energy recovery power device, mainly composed of a char-regeneration system, a heat source regenerator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator and a regenerator; an air channel is connected to the char-regeneration system (1) through the heat source regenerator (2), and the char-regeneration system (1) also has a flue gas channel connected to the outside through the heat source heat exchanger (6) and the heat source regenerator (2), and the condenser (7) has a condensate pipeline connected to the evaporator (8) through the booster pump (5), and then the evaporator (8) has a steam channel connected to the evaporator (9) through the regenerator (9). The heat source heat exchanger (6) is connected to the compressor (4), the compressor (4) has a steam channel connected to the heat source heat exchanger (6) through the regenerator (9), the heat source heat exchanger (6) also has a steam channel connected to the expander (3), the expander (3) also has a low-pressure steam channel that is divided into two paths after passing through the regenerator (9) and the evaporator (8) - the first path is connected to the compressor (4) and the second path is connected to the condenser (7); the condenser (7) also has a cooling medium channel connected to the outside, the expander (3) is connected to the compressor (4) and transmits power, forming a catalyst regeneration energy recovery power device; wherein, Or the expander (3) is connected to the compressor (4) and the booster pump (5) and transmits power.
3. A catalyst regeneration energy recovery power device, mainly composed of a char-regeneration system, a heat source regenerator, an expander, a compressor, a booster pump, a heat source heat exchanger, a condenser, an evaporator and a regenerator; an air channel is connected to the char-regeneration system (1) through the heat source regenerator (2), and the char-regeneration system (1) also has a flue gas channel connected to the outside through the heat source heat exchanger (6) and the heat source regenerator (2), and the condenser (7) has a condensate pipeline connected to the evaporator (8) through the booster pump (5), and then the evaporator (8) has a steam channel connected to the heat source heat exchanger (6) through the regenerator (9). The compressor (4) is connected with the heat source heat exchanger (6) through the regenerator (9), the heat source heat exchanger (6) is also connected with the expander (3), the expander (3) is also connected with the steam channel through the regenerator (9) and connected with itself, the expander (3) is also connected with the low-pressure steam channel through the evaporator (8) and is divided into two paths - the first path is connected with the compressor (4) and the second path is connected with the condenser (7); the condenser (7) is also connected with the cooling medium channel to the outside, the expander (3) is connected with the compressor (4) and transmits power, so as to form a catalyst regeneration energy recovery power device; wherein, Or the expander (3) is connected to the compressor (4) and the booster pump (5) and transmits power.
4. A catalyst regeneration energy recovery power device is a catalyst regeneration energy recovery power device according to any one of claims 1 to 3, wherein a second booster pump and a low-temperature regenerator are added, and the condensate pipeline of the condenser (7) connected to the booster pump (5) is adjusted to the condensate pipeline of the condenser (7) connected to the low-temperature regenerator (11) via the second booster pump (10), and the compressor (4) is additionally provided with a steam extraction channel connected to the low-temperature regenerator (11), and the low-temperature regenerator (11) is further connected to the booster pump (5) via a condensate pipeline, thereby forming a catalyst regeneration energy recovery power device.
5. A catalyst regeneration energy recovery power device, which is a catalyst regeneration energy recovery power device as described in claim 1 or claim 3, wherein a second evaporator and a diffuser are added, and the low-pressure steam channel of the expander (3) is adjusted to be connected with the evaporator (8) so that the expander (3) has a low-pressure steam channel connected to the second evaporator (12) through the evaporator (8), and the low-pressure steam channel of the evaporator (8) is adjusted to be connected with the compressor (4) and the condenser (7) respectively so that the second evaporator (12) has a low-pressure steam channel connected to the compressor (4) and the condenser (7) respectively, and the condensate pipeline of the condenser (7) is adjusted to be connected with the evaporator (8) through the booster pump (5) so that the condensate pipeline of the condenser (7) is connected with the second evaporator (12) through the booster pump (5), and then the second evaporator (12) has a wet steam channel connected to the evaporator (8) through the diffuser (13), so as to form a catalyst regeneration energy recovery power device.
6. A catalyst regeneration energy recovery power device, which is a catalyst regeneration energy recovery power device as described in claim 2, wherein a second evaporator and a diffuser are added, and the low-pressure steam channel of the regenerator (9) is adjusted to be connected with the evaporator (8) so that the low-pressure steam channel of the regenerator (9) is connected with the second evaporator (12) through the evaporator (8), and the low-pressure steam channel of the evaporator (8) is adjusted to be connected with the compressor (4) and the condenser (7) respectively so that the second evaporator (12) has a low-pressure steam channel connected with the compressor (4) and the condenser (7) respectively, and the condensate pipeline of the condenser (7) is adjusted to be connected with the evaporator (8) through the booster pump (5) so that the condensate pipeline of the condenser (7) is connected with the second evaporator (12) through the booster pump (5), and then the second evaporator (12) has a wet steam channel connected with the evaporator (8) through the diffuser (13), so as to form a catalyst regeneration energy recovery power device.
7. A catalyst regeneration energy recovery power device, which is any one of the catalyst regeneration energy recovery power devices described in claims 1-6, with a combustion chamber (A) added, an external hydrogen channel connected to the combustion chamber (A), and an external oxygen channel connected to the combustion chamber (A), and the heat source heat exchanger (6) having a steam channel connected to the expansion machine (3) is adjusted to a heat source heat exchanger (6) having a steam channel connected to the combustion chamber (A), and the combustion chamber (A) further has a steam channel connected to the expansion machine (3), and the condenser (7) is additionally provided with a condensate pipeline connected to the outside to form a catalyst regeneration energy recovery power device.
8. A catalyst regeneration energy recovery power device, which is any one of the catalyst regeneration energy recovery power devices described in claims 1-6, with the addition of a heating furnace (B) and a newly added heat source heat recovery device (C), an external fuel channel connected to the heating furnace (B), an external air channel connected to the heating furnace (B) via the newly added heat source heat recovery device (C), and a gas channel of the heating furnace (B) connected to the outside via the newly added heat source heat recovery device (C); the heat source heat exchanger (6) has a steam channel connected to the expander (3), which is adjusted to have a steam channel connected to the expander (3) via the heating furnace (B), to form a catalyst regeneration energy recovery power device.
9. A catalyst regeneration energy recovery power device is formed by adding an expansion speed increaser (14) to replace the expansion machine (3), adding a dual-energy compressor (15) to replace the compressor (4), and adding a new diffuser (16) to replace the booster pump (5) in any one of the catalyst regeneration energy recovery power devices described in claims 1-8, so as to form a catalyst regeneration energy recovery power device.
10. A catalyst regeneration energy recovery power device, which is any one of the catalyst regeneration energy recovery power devices described in claims 1-9, wherein an air compressor (D) is added, and the external air passage is adjusted to be connected with the charring-regeneration system (1) via the heat source regenerator (2) as the external air passage is connected with the charring-regeneration system (1) via the air compressor (D) and the heat source regenerator (2), and a smoke exhaust fan (E) is added, and the smoke exhaust fan (E) is adjusted to be connected with the outside of the charring-regeneration system (1) via the heat source heat exchanger (6) and the heat source regenerator (2) as the smoke exhaust fan (E), the heat source heat exchanger (6) and the heat source regenerator (2); the smoke exhaust fan (E) is connected to the air compressor (D) and transmits power to form a catalyst regeneration energy recovery power device.
11. A catalyst regeneration energy recovery power device, which is any one of the catalyst regeneration energy recovery power devices described in claims 1-10, with an auxiliary combustion chamber (F) added, and an external fuel channel connected to the auxiliary combustion chamber (F), and the flue gas channel of the charring-regeneration system (1) is connected to the outside through a heat source heat exchanger (6) and a heat source heat regenerator (2), and is adjusted so that the charring-regeneration system (1) has a flue gas channel connected to the auxiliary combustion chamber (F), and the auxiliary combustion chamber (F) has a flue gas channel connected to the outside through a heat source heat exchanger (6) and a heat source heat regenerator (2), so as to form a catalyst regeneration energy recovery power device.
12. A catalyst regeneration energy recovery power device is any one of the catalyst regeneration energy recovery power devices described in claim 11, wherein an air compressor (D) is added, and the external air passage is adjusted to be connected to the charring-regeneration system (1) via the heat source regenerator (2) as the external air passage is connected to the charring-regeneration system (1) via the air compressor (D) and the heat source regenerator (2), and a smoke exhaust fan (E) is added, and the auxiliary combustion chamber (F) has a smoke passage connected to the outside via the heat source heat exchanger (6) and the heat source regenerator (2), and the smoke exhaust fan (E) is added, and the auxiliary combustion chamber (F) has a smoke passage connected to the outside via the heat source heat exchanger (6) and the heat source regenerator (2), and the auxiliary combustion chamber (F) has a smoke passage connected to the outside via the smoke exhaust fan (E), the heat source heat exchanger (6) and the heat source regenerator (2), so as to form a catalyst regeneration energy recovery power device.