CN212339201U - Scrap propellant destroying heat energy utilization system - Google Patents
Scrap propellant destroying heat energy utilization system Download PDFInfo
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- CN212339201U CN212339201U CN202021548127.4U CN202021548127U CN212339201U CN 212339201 U CN212339201 U CN 212339201U CN 202021548127 U CN202021548127 U CN 202021548127U CN 212339201 U CN212339201 U CN 212339201U
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- 239000003380 propellant Substances 0.000 title claims abstract description 134
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000000843 powder Substances 0.000 claims abstract description 104
- 238000002485 combustion reaction Methods 0.000 claims abstract description 94
- 238000010248 power generation Methods 0.000 claims abstract description 26
- 239000000126 substance Substances 0.000 claims abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 27
- 239000003546 flue gas Substances 0.000 claims description 27
- 239000000446 fuel Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 230000006378 damage Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 206010024796 Logorrhoea Diseases 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The utility model discloses a scrapped propellant powder destroying heat energy utilization system, which comprises a scrapped propellant powder combustion system and is used for converting the chemical energy of scrapped propellant powder into heat energy; the steam-water system is connected with the scrapped propellant powder combustion system and is used for transferring heat energy to a power generation system; the power generation system is communicated with the steam-water system, is used for converting heat energy into electric energy, and is communicated with the steam-water system to form a cycle; and the heat energy utilization system is communicated with the power generation system and is used for converting heat energy and is communicated with the steam-water system to form a cycle. The utility model discloses can destroy the combustion process and release a large amount of heat energy to scrapping the propellant and utilize, avoid causing the wasting of resources.
Description
Technical Field
The utility model relates to a scrap propellant powder and destroy technical field, especially relate to a scrap propellant powder and destroy heat utilization system.
Background
Propellant is a compound or mixture containing oxidant and combustible material capable of independently carrying out chemical reactions and outputting energy, and its combustion process is accompanied by a large amount of gas and releases a large amount of heat. The propellant powder combustion belongs to self-sustaining combustion release energy, namely after ignition, scrapped propellant powder can automatically sustain the combustion process until the propellant powder is completely burnt out, different projectile varieties need propellant powder with different performances, and therefore the propellant powder varieties are also many. The amount of the scrapped propellant used for civil use is small when the scrapped ammunition of troops is destroyed and processed, a large amount of stock is overstocked, and great danger exists.
The existing method for destroying the discarded propellant powder mainly comprises the following steps: burnout, frying, dissolving, and chemical decomposition. For the condition that the scrapped propellant is large in inventory and multiple in variety, the furnace incineration is an effective and relatively universal destruction method. The method has the advantages that the discarded propellant powder can be completely burnt without hidden danger, the whole burning process can be controlled, and the method has the defect that the prior furnace burning method does not release a large amount of heat energy to utilize the burning process, thereby causing the problem of resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model provides a scrap propellant powder and destroy heat utilization system, the heat energy that produces when can make full use of scrapping propellant powder burning.
In order to achieve the above object, the utility model adopts the following technical scheme:
scrap propellant powder and destroy heat utilization system, include:
the scrapped propellant powder combustion system is used for converting chemical energy of scrapped propellant powder into heat energy;
the steam-water system is connected with the scrapped propellant powder combustion system and is used for transferring heat energy to a power generation system;
the power generation system is communicated with the steam-water system, is used for converting heat energy into electric energy, and is communicated with the steam-water system to form a cycle;
and the heat energy utilization system is communicated with the power generation system and is used for converting heat energy and is communicated with the steam-water system to form a cycle.
Optionally, the scrapped propellant powder combustion system comprises a scrapped propellant powder combustion boiler and a water-cooled wall which is arranged on the outer wall of the scrapped propellant powder combustion boiler and used for containing heat transfer working media, the water-cooled wall is connected with the steam-water system, the scrapped propellant powder combustion boiler is provided with a combustion chamber used for incinerating scrapped propellant powder, a slag discharge device connected with the combustion chamber and a flue gas channel communicated with the combustion chamber, an explosion-proof air-smoke baffle is arranged in the flue gas channel, and the tail end of the flue gas channel is also connected with a flue gas treatment device;
the scrapped propellant powder crushing and feeding device and the auxiliary fuel feeding device are arranged on the upper portion and the lower portion of the scrapped propellant powder combustion boiler respectively, and the scrapped propellant powder combustion boiler is further communicated with an air distribution system.
The air distribution system comprises: the primary air system and the secondary air system are respectively arranged below the scrapped propellant powder crushing and feeding device and the auxiliary fuel feeding device, and the primary air and the secondary air send air to the scrapped propellant powder combustion boiler through a primary fan baffle of the primary air system and a secondary fan baffle of the secondary air system;
still including locating scrap the draught fan on propellant burning boiler upper portion, the draught fan will flue gas in the combustion chamber is delivered to through the draught fan baffle flue gas processing apparatus.
Optionally, the steam-water system includes a steam drum, the scrapped propellant-fired boiler makes a liquid heat transfer working medium in the water wall form a steam-water mixture and enters the steam drum, the water wall is connected with a water feed pump for circulating the heat transfer working medium, the steam drum is communicated with a superheater, the superheater is communicated with a reheater, the steam drum sends steam formed after steam-water separation of the steam-water mixture into the superheater and transmits the steam to the power generation system through the reheater, and a part of the superheater and the reheater is arranged in the flue gas channel.
Optionally, the power generation system include the steam turbine and with the generator that the steam turbine is connected, the steam turbine is used for receiving the steam that the reheater conveyed, steam is right the steam turbine does work and makes the heat energy of steam turn into mechanical energy to steam that will do work through the working medium pipe conveys to the heat energy utilization system, warp convey steam to the condenser after the heat energy utilization system recycles again, the condenser is used for condensing the steam that will do work into liquid, then conveys through the oxygen-eliminating device to the water-feeding pump, the generator is used for turning into the electric energy with mechanical energy, the electric energy that the generator generated divide into two routes transmission, supplies with the interior power consumption of factory all the way, and another way is incorporated into the power networks to the electric wire netting.
Optionally, the heat energy utilization system comprises a temperature and pressure reducing device, a refrigerating machine and a heat supply network heat exchanger which are respectively communicated with the steam turbine through a working medium pipe, the temperature and pressure reducing device adjusts the working steam to the required temperature and pressure and then converts the working steam into usable factory steam, the refrigerating machine generates the working steam into usable cold water for a factory, and the heat supply network heat exchanger supplies the working steam as a heat source to a heat user for heating.
Optionally, the heat supply network heat exchanger is connected with a heat supply network water supply pipeline and a heat supply network water return pipeline, the heat supply network water supply pipeline conveys hot water after heat exchange of the heat supply network heat exchanger to a heat consumer, the heat supply network water return pipeline returns water after heat supply to the heat supply network heat exchanger for circulating heat exchange, and a heat supply network circulating water pump is arranged on the heat supply network water supply pipeline.
Optionally, a heat supply network heating system is further arranged on the heat supply network water supply pipeline, the heat supply network water supply pipeline comprises a main circuit water supply pipeline and an auxiliary circuit water supply pipeline, the heat supply network heating system comprises a heat supply network main circuit valve, a heat supply network auxiliary circuit valve and a heat supply network heater, the heat supply network main circuit valve is arranged on the main circuit water supply pipeline, and the heat supply network auxiliary circuit valve and the heat supply network heater are arranged on the auxiliary circuit water supply pipeline.
Optionally, the combustion chamber of the scrapped propellant powder combustion boiler, the steam drum, the scrapped propellant powder crushing and feeding device and the auxiliary fuel feeding device are all arranged in the explosion-proof workshop.
Compared with the prior art, the utility model, the technological progress who gains lies in:
because scrap propellant powder combustion process and release a large amount of heats, after igniting, scrap propellant powder and can maintain the combustion process automatically until it is all burnt out, the utility model discloses a setting is scrapped propellant powder combustion system and can be changed the chemical energy of scrapping propellant powder into heat energy to foretell heat energy is used for power generation and/or heat user's heat supply as the heat source, will scrap the heat energy make full use of that propellant powder destroys the production. The scrapped propellant powder combustion system is provided with a scrapped propellant powder crushing and feeding device, an auxiliary fuel feeding device and an explosion-proof air-smoke baffle, the scrapped propellant powder can be fully combusted in the cooperation of the air distribution system, and the safe operation of the whole unit is also ensured.
The steam-water system transfers the heat energy generated by the scrapped propellant to the power generation system through the heat transfer working medium, the power generation system generates power by using the steam working medium, the generated electric energy can be used in a factory or a power grid, and the heat energy after doing work can be reused through the heat energy utilization system: regulating the gaseous working medium to the required temperature and pressure to convert the gaseous working medium into usable plant steam; generating gaseous working media into cold water available in a plant; taking a gaseous working medium as a heat source to supply heat to a heat user; the gaseous working medium is condensed into a liquid working medium in the condenser, and then steam-water circulation is formed. Consequently scrap propellant powder and pass through the utility model discloses can avoid the waste of resource to scrapping the chemical energy make full use of propellant powder.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is an overall schematic view of the present invention.
In the figure:
1-scrapping the propellant burning boiler; 2-steam drum; 3-a superheater; 4-a reheater; 5-a steam turbine; 6-a generator; 7-explosion-proof workshop; 8-explosion-proof air and smoke baffle; 9-primary fan baffle; 10-secondary fan baffle; 11-draught fan baffle; 12-a draught fan; 13-a scrapped propellant powder crushing and feeding device; 14-auxiliary fuel feeding device; 15-a feed pump; 16-a deaerator; 17-a condenser; 18-a temperature and pressure reducer; 19-a refrigerator; 20-heat supply network heat exchanger; 21-heat supply network circulating water pump; 22-a heat net heater; 23-hot user; 24-heat supply network main circuit valve; 25-heat supply network auxiliary circuit valve, 26-slag discharge device, 27-water cooling wall, 28-first branch pipe and 29-second branch pipe.
Detailed Description
The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses a scrap propellant powder and destroy heat utilization system. The propellant is a compound or a mixture containing an oxidant and a combustible substance and capable of independently carrying out a chemical reaction and outputting energy, the combustion process of the propellant is accompanied by a large amount of gas and releases a large amount of heat, so that the heat energy generated by destroying and combusting the scrapped propellant can be used as a heat source for generating electricity and/or supplying heat to a heat user, and the propellant specifically comprises the following components:
the scrapped propellant powder combustion system is used for converting chemical energy of scrapped propellant powder into heat energy through combustion; the steam-water system is connected with the scrapped propellant powder combustion system, and the scrapped propellant powder combustion system combusts released heat energy to transfer liquid heat transfer working media; the power generation system is communicated with the steam-water system, so that the steam does work and converts the heat energy of the steam into electric energy to be supplied to a plant for use, or is connected to a power grid in a grid-connected mode; the heat energy utilization system is communicated with the power generation system, and because the steam which does work still has high temperature and pressure, the steam which does work can be reused in the heat energy utilization system, for example: heat is supplied to the heat user 23 through the working medium pipe; as a heat source, the steam is converted into usable steam in a factory through temperature reduction and pressure reduction; cold water is generated for use by the plant.
The heat energy utilization system is communicated with the steam-water system, steam is converted into liquid water through condensation of the steam, and the water is sent into the steam-water system to form steam circulation.
Specifically, as shown in fig. 1, scrap propellant powder combustion system including scrap propellant powder combustion boiler 1 and locate the water-cooling wall 27 who is used for splendid attire heat transfer working medium on scrapping propellant powder combustion boiler 1 outer wall, scrap propellant powder combustion boiler 1 and have the combustion chamber that is used for burning and scrapping the propellant powder, arrange sediment device 26 and the flue gas passageway that communicates with the combustion chamber of being connected with the combustion chamber, scrap the heat energy that the propellant powder burned and forms in the combustion chamber and become liquid water vapor-water mixture, be equipped with the flame proof wind smoke baffle 8 that this system normally opens when working condition in the flue gas passageway, the trailing end connection of flue gas passageway has flue gas processing apparatus, flue gas processing apparatus filters and purifies the flue gas that the propellant powder burning produced in to the combustion chamber.
Scrap the garrulous feeder 13 of propellant powder and auxiliary fuel feeder 14 at the side of scrapping propellant powder combustion boiler 1, scrap the garrulous feeder 13 of propellant powder and set up in the top of scrapping propellant powder combustion boiler 1 one side, scrap the propellant powder and send to the combustion chamber through scrapping the garrulous feeder 13 of propellant powder and burn, auxiliary fuel feeder 14 sets up in the below of scrapping propellant powder combustion boiler 1 one side, auxiliary fuel sends to the combustion chamber through auxiliary fuel feeder 14 and burns.
When the device works, the auxiliary fuel is firstly sent to the combustion chamber through the auxiliary fuel feeding device 14 and is ignited, so that the combustion chamber is in a high-temperature or flame-covered state, and after the preset temperature or flame intensity is reached, the scrapped propellant powder is sent to the boiler through the scrapped propellant powder crushing feeding device 13, so that the scrapped propellant powder is deflagrated in the combustion chamber. In order to ensure that the auxiliary fuel is combusted more fully and the pressure of the hearth of the combustion chamber is normal, the scrapped propellant combustion boiler 1 is also connected with an air distribution system.
The air distribution system comprises a primary air system and a secondary air system which are respectively arranged below the scrapped propellant powder crushing and feeding device 13 and the auxiliary fuel feeding device 14, and the primary air and the secondary air send air to the scrapped propellant powder combustion boiler 1 through a primary air fan baffle plate 9 of the primary air system and a secondary air fan baffle plate 10 of the secondary air system.
The wind mainly plays the effect that provides the required oxygen of auxiliary fuel burning, because wind system sets up in auxiliary fuel feeder 14 below, has an ascending blowing to the auxiliary fuel who drops into in the combustion chamber, can make the faster whole combustion chamber that is full of auxiliary fuel, heats up with higher speed and is high temperature or flame cage state in making the combustion chamber, in order to realize above-mentioned purpose, the utility model discloses an optimal light diesel oil of auxiliary fuel. The overfire air mainly provides oxygen to the burning in combustion chamber middle section to produce a large amount of gas and provide the motive force when scrapping the propellant powder burning, gas circulation accelerates, also enables the more abundant burning of auxiliary fuel simultaneously, improves the auxiliary fuel utilization ratio.
Still including locating the draught fan 12 of scrapping propellant firing boiler 1 upper portion, the draught fan 12 passes through draught fan baffle 11 with the flue gas in the combustion chamber and sends to flue gas processing apparatus, and the main effect of induced air is the pressure of adjusting furnace in the combustion chamber, and guarantee furnace pressure is in safety range. The primary fan baffle 9, the secondary fan baffle 10 and the draught fan baffle 11 can forbid return air, so that the function of controlling unidirectional flow of air is achieved.
The steam-water system comprises a steam drum 2, wherein the steam drum 2 is connected with a water-cooled wall 27, the scrapped propellant combustion boiler 1 transfers heat energy to the water-cooled wall 27 in a thermal radiation mode, a steam-water mixture generated by heating and evaporating water in the water-cooled wall 27 enters the steam drum 2, the water-cooled wall 27 is connected with a water feeding pump 15 for circulating a working medium, and a liquid working medium can be fed into the steam drum 2 to enable the steam-water mixture to be subjected to steam-water separation in the steam drum 2 to form steam.
The steam drum 2 is also communicated with a superheater 3 and a reheater 4, the steam drum 2 enables the steam with the separated moisture to sequentially pass through the superheater 3 and the reheater 4, the steam passes through the superheater 3 and the reheater 4 and then is heated and pressurized to form superheated steam (540 ℃), and then the superheated steam is transmitted to a power generation system through a working medium pipe.
In order to fully utilize the heat energy generated by the combustion of the abandoned propellant powder, a part of the superheater 3 and the reheater 4 is arranged in the flue gas channel, the flue gas extracted from the flue gas channel also has certain heat, and the heat energy generated by the combustion of the abandoned propellant powder can be more fully utilized by the flue gas passing through the superheater 3 and the reheater 4.
The power generation system comprises a steam turbine 5 and a power generator 6 connected with the steam turbine 5, wherein the steam turbine 5 receives superheated steam transmitted by a reheater 4 through a working medium pipe, the superheated steam pushes a rotor of the steam turbine 5 to rotate to apply work to the steam turbine 5, so that heat energy of the superheated steam is converted into mechanical energy, the rotor of the steam turbine 5 rotates to drive the power generator 6 to rotate, the power generator 6 converts the mechanical energy into electric energy, the generated electric energy is divided into two paths to be transmitted, one path is supplied to power in a plant, and the other path is connected to a power grid in a grid.
The steam which does work still has high temperature and pressure, so the steam can be reused by a heat energy utilization system, the used steam is transmitted to the condenser 17, the condenser 17 is used for condensing the steam into liquid, and then the liquid is supplied to the water cooling wall 27 by the water feeding pump 15 after oxygen is removed by the deaerator 16, so that steam-water circulation is formed.
Specifically, the heat energy utilization system comprises a temperature and pressure reducing device 18, a refrigerating machine 19 and a heat supply network heat exchanger 20 which are respectively communicated with the steam turbine 5 through a working medium pipe, wherein the temperature and pressure reducing device 18 can adjust the working steam to the required temperature and pressure and then convert the working steam into usable plant steam, for example, the working steam is supplied to a canteen in a plant in a mode of water spraying, temperature reduction, expansion, pressure reduction and the like; the refrigerator 19 can generate cold water for the factory to use from the steam after doing work, and the electric energy of the refrigerator 19 can use the electric energy generated by the power generation system; the heat supply network heat exchanger 20 can supply the steam which does work as a heat source to the heat consumer 23 for heating. Wherein, can add the valve before temperature reduction pressure reducer 18 and refrigerator 19, when the weather is cold, scrap the heat that propellant powder burning produced is insufficient, close temperature reduction pressure reducer 18 and the valve before the refrigerator 19, let the steam that does the work only pass through heat supply network heat exchanger 20, guarantee heat user 23's heat supply. Or, when the heat user 23 does not need to supply heat any more in hot weather, the heat supply network heat exchanger 20 is closed, the heat supply network heat exchanger 20 does not exchange heat any more, and the steam is directly conveyed to the condenser 17 to circulate.
Preferably, the system further comprises a first branch pipe 28 and a second branch pipe 29, wherein the first branch pipe 28 is arranged at two ends of the power generation system, the second branch pipe 29 is arranged at two ends of the heat energy utilization system, and the first branch pipe 28 and the second branch pipe 29 are provided with valves.
When the heat generated by the scrapped propellant is sufficient or needs to generate electricity, the valves on the first branch pipe 28 and the second branch pipe 29 are closed, and the superheated steam is transmitted to the heat energy utilization system after the power generation system does work.
When the combustion of the scrapped propellant is unstable, the valve on the first branch pipe 28 is opened, and the valve on the second branch pipe 29 is closed, so that the superheated steam transmitted by the reheater 4 is directly transmitted to the heat energy utilization system, and the heat supply of the heat user 23 is ensured.
The heat supply network heat exchanger 20 is connected with a heat supply network water supply pipeline and a heat supply network water return pipeline, hot water after heat exchange of the heat supply network heat exchanger 20 is conveyed to a heat user 23 through a heat supply network water supply pipeline of a heat supply network circulating water pump 21 arranged on the heat supply network water supply pipeline, and the heat supply network water return pipeline returns the water after heat supply to the heat supply network heat exchanger 20 for circulating heat exchange.
In order to guarantee the heat supply requirement, when the scrapped propellant is unstable in combustion, the heat load can be adjusted through the heat supply network heating system, the heat supply efficiency is improved, the heat supply network water supply pipeline is set to be a main pipeline water supply pipeline and an auxiliary pipeline water supply pipeline, the heat supply network heating system comprises a heat supply network main pipeline valve 24, a heat supply network auxiliary pipeline valve 25 and a heat supply network heater 22, the heat supply network main pipeline valve 24 is arranged on the main pipeline water supply pipeline, and the heat supply network auxiliary pipeline valve 25 and the heat supply network heater 22 are arranged on the auxiliary pipeline water supply pipeline. At ordinary times, the heat supply network heater 22 and the heat supply network auxiliary valve 25 are in a closed state, the heat supply network main valve 24 is in an open state, when the heating water temperature cannot meet the requirement of the heat consumer 23 due to unstable combustion of the scrapped propellant, the heat supply network heater 22 and the heat supply network auxiliary valve 25 are opened, the heat supply network main valve 24 is closed, and the heating water is secondarily heated to the required temperature through the heat supply network heater 22 and is delivered to the heat consumer 23. The heat network heater 22 may be provided by the power generated by the power generation system, among other things.
The utility model discloses in, in order to prevent accident, will scrap combustion chamber, steam pocket 2 of propellant powder combustion boiler 1, scrap the powder of propellant feed device 13 and auxiliary fuel feed device 14 and all set up in flame proof worker's room 7, be equipped with flame proof wind cigarette baffle 8 in flue gas channel, flame proof wind cigarette baffle 8 can promptly be closed in time to separate over heater 3 and re-heater 4 when the accident appears. If scrapped propellant powder in the propellant powder combustion boiler 1 explodes, the explosion-proof workshop 7 and the explosion-proof air-smoke baffle 8 can form a closed area, flame, auxiliary fuel and scrapped propellant powder are prevented from diffusing, a large amount of scrapped propellant powder and auxiliary fuel are not caused to explode, the explosion range can be effectively controlled, and safety and economy are guaranteed.
In actual operation, the furnace pressure of combustion chamber is a key index that can be safe normal operating, wherein the utility model discloses overgrate air system and draught fan 12 that set up, one of its effect is the furnace pressure of adjusting the combustion chamber. Specifically, the utility model discloses still include a control system, the utility model discloses a control system includes furnace pressure sensor, and furnace pressure sensor is used for detecting the pressure in the furnace, and control system still includes a controller, and the controller is connected with furnace pressure sensor, and furnace pressure sensor sends pressure signal to controller, and the controller is still connected electrically and is scrapped propellant powder combustion system, soda system, power generation system and air distribution system.
Two pressure thresholds can be set in the controller, for example, when the pressure signal transmitted to the processor by the furnace pressure sensor exceeds one of the pressure thresholds, the controller controls the secondary air system of the air distribution system to reduce the air intake and controls the induced draft fan 12 to increase the air exhaust, so that the furnace pressure of the combustion chamber is reduced; when the pressure signal transmitted to the processor by the hearth pressure sensor exceeds another pressure threshold value, the controller controls the steam-water system and the power generation system to stop, and the controller controls the explosion-proof wind-smoke baffle 8 of the scrapped propellant powder combustion system to rapidly fall down to seal the whole combustion chamber, so that the personal safety is ensured. The explosion-proof air-smoke baffle 8 is always in a normally open state when the unit normally operates, so that smoke generated by combustion in the combustion chamber can be sent to the smoke treatment device for dust removal and purification. Wherein, the mode of the explosion-proof air-smoke baffle 8 of the propellant powder combustion system is scrapped in the controller control can select the dual control of the electric valve and the pneumatic valve, the condition that the explosion-proof air-smoke baffle 8 cannot be closed when the single control is caused to break down is avoided, and because the closing speed of the pneumatic valve is high, the pneumatic valve is mainly controlled by the system.
The utility model discloses a supply the used water of circulation, can set up the water supply and supply water to this system between condenser 17 and oxygen-eliminating device 16.
The utility model discloses a scrap propellant powder destroying method specifically as follows:
step 1: crushing the scrapped propellant powder by a scrapped propellant powder crushing and feeding device 13;
step 2: starting the scrapped propellant burning boiler 1, sending the auxiliary fuel to the scrapped propellant burning boiler 1, igniting and introducing primary air and secondary air, and simultaneously starting an induced draft fan;
and step 3: when the preset temperature or flame intensity is reached, the scrapped propellant powder is sent into the scrapped propellant powder combustion boiler 1 through the scrapped propellant powder crushing and feeding device 13 to be burnt, meanwhile, secondary air is introduced into the scrapped propellant powder combustion boiler 1, and heat generated by burning is used for vaporizing a heat transfer working medium in the water wall 27 to generate a steam-water mixture;
and 4, step 4: the steam-water mixture is sent into a steam drum 2 for steam-water separation, and the steam with the separated water sequentially passes through a superheater 3 and a reheater 4 to form superheated steam;
and 5: sending the superheated steam to the steam turbine 5, wherein the superheated steam pushes a rotor of the steam turbine 5 to rotate and do work to drive the generator 6 to generate electricity;
step 6: dividing the finished steam into four paths to respectively recycle heat and water: the first path enters a temperature and pressure reducing device 18 to adjust the steam to the required temperature and pressure and convert the steam into usable plant steam; the second path enters a refrigerant to generate cold water available in the plant by steam; the third path enters a heat supply network heat exchanger 20, and steam is used as a heat source to supply heat to a heat user 23; and the fourth path enters a condenser 17, steam is condensed into a liquid heat transfer working medium in the condenser 17, then the liquid heat transfer working medium is sent to a deaerator 16 to remove oxygen in water, and the water after oxygen removal is sent to a water cooled wall 27 by a feed water pump 15 to form steam-water circulation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (8)
1. Scrap propellant powder and destroy heat utilization system, its characterized in that: the method comprises the following steps:
the scrapped propellant powder combustion system is used for converting chemical energy of scrapped propellant powder into heat energy;
the steam-water system is connected with the scrapped propellant powder combustion system and is used for transferring heat energy to a power generation system;
the power generation system is communicated with the steam-water system, is used for converting heat energy into electric energy, and is communicated with the steam-water system to form a cycle;
and the heat energy utilization system is communicated with the power generation system and is used for converting heat energy and is communicated with the steam-water system to form a cycle.
2. The scrap propellant destruction heat energy utilization system according to claim 1, wherein: the scrapped propellant powder combustion system comprises a scrapped propellant powder combustion boiler and a water-cooled wall which is arranged on the outer wall of the scrapped propellant powder combustion boiler and is used for containing heat transfer working media, the water-cooled wall is connected with the steam-water system, the scrapped propellant powder combustion boiler is provided with a combustion chamber used for incinerating scrapped propellant powder, a slag discharging device connected with the combustion chamber and a flue gas channel communicated with the combustion chamber, an explosion-proof air-smoke baffle is arranged in the flue gas channel, and the tail end of the flue gas channel is also connected with a flue gas treatment device;
still include, locate respectively scrap the smashed feeder of propellant powder and auxiliary fuel feeder of propellant powder on propellant powder combustion boiler upper portion and lower part, scrap propellant powder combustion boiler and still switch on and have the air distribution system, the air distribution system includes, locates respectively scrap the propellant powder smash feeder with primary air system and overgrate air system of auxiliary fuel feeder below, primary air and overgrate air process primary air fan baffle of primary air system with the overgrate air fan baffle of overgrate air system is sent to the air and is scrapped propellant powder combustion boiler, still including locating scrap the draught fan on propellant powder combustion boiler upper portion, the draught fan will flue gas in the combustion chamber passes through the draught fan baffle and sends to flue gas processing apparatus.
3. The scrap propellant destruction heat energy utilization system according to claim 2, wherein: the steam-water system comprises a steam drum, the scrapped propellant combustion boiler enables liquid heat transfer working media in the water-cooled wall to form a steam-water mixture and enter the steam drum, the water-cooled wall is connected with a water feeding pump for circulating heat transfer working media, the steam drum is communicated with a superheater, the superheater is communicated with a reheater, the steam drum sends steam formed after steam-water separation of the steam-water mixture into the superheater and transmits the steam to the power generation system through the reheater, and the superheater and the reheater are partially arranged in the flue gas channel.
4. The scrap propellant destruction heat energy utilization system according to claim 3, wherein: the power generation system comprises a steam turbine and a generator connected with the steam turbine, wherein the steam turbine is used for receiving steam sent by the reheater, the steam is right, the steam turbine applies work to enable the heat energy of the steam to be converted into mechanical energy, the steam which applies work is transmitted to the heat energy utilization system through a working medium pipe, the heat energy utilization system transmits the steam to a condenser after being reused, the condenser is used for condensing the steam which applies work into liquid state, then the steam is transmitted to the water feeding pump through a deaerator, the generator is used for converting the mechanical energy into electric energy, the electric energy generated by the generator is divided into two paths for transmission, one path of the electric energy is supplied to power utilization in a plant, and the other path of the electric energy is connected to a.
5. The scrap propellant destruction heat energy utilization system according to claim 4, wherein: the heat energy utilization system comprises a temperature and pressure reducing device, a refrigerating machine and a heat supply network heat exchanger which are respectively communicated with the steam turbine through working medium pipes, the temperature and pressure reducing device adjusts the working steam to the required temperature and pressure and then converts the working steam into usable factory steam, the refrigerating machine generates the working steam into usable cold water for a factory, and the heat supply network heat exchanger takes the working steam as a heat source to supply heat to a heat user for heating.
6. The scrap propellant destruction heat energy utilization system according to claim 5, wherein: the heat supply network heat exchanger is connected with a heat supply network water supply pipeline and a heat supply network water return pipeline, the heat supply network water supply pipeline conveys hot water subjected to heat exchange of the heat supply network heat exchanger to a heat consumer, the heat supply network water return pipeline returns the water subjected to heat supply to the heat supply network heat exchanger for circulating heat exchange, and a heat supply network circulating water pump is arranged on the heat supply network water supply pipeline.
7. The scrap propellant destruction heat energy utilization system according to claim 6, wherein: the heating system is characterized in that a heating network heating system is further arranged on the heating network water supply pipeline, the heating network water supply pipeline comprises a main pipeline water supply pipeline and an auxiliary pipeline water supply pipeline, the heating network heating system comprises a heating network main pipeline valve, a heating network auxiliary pipeline valve and a heating network heater, the heating network main pipeline valve is arranged on the main pipeline water supply pipeline, and the heating network auxiliary pipeline valve and the heating network heater are arranged on the auxiliary pipeline water supply pipeline.
8. The scrap propellant destruction heat energy utilization system according to claim 7, wherein: the combustion chamber of the scrapped propellant powder combustion boiler, the steam drum, the scrapped propellant powder crushing and feeding device and the auxiliary fuel feeding device are all arranged in the explosion-proof workshop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548127.4U CN212339201U (en) | 2020-07-30 | 2020-07-30 | Scrap propellant destroying heat energy utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548127.4U CN212339201U (en) | 2020-07-30 | 2020-07-30 | Scrap propellant destroying heat energy utilization system |
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| Publication Number | Publication Date |
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| CN212339201U true CN212339201U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021548127.4U Active CN212339201U (en) | 2020-07-30 | 2020-07-30 | Scrap propellant destroying heat energy utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212339201U (en) |
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2020
- 2020-07-30 CN CN202021548127.4U patent/CN212339201U/en active Active
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Inventor after: Yan Yuanyuan Inventor after: Song Guifei Inventor after: Jiang Zhibao Inventor after: Wang Shaoguang Inventor after: Jia Haonan Inventor after: Shao Xianjun Inventor after: Chen Minghua Inventor before: Yan Yuanyuan Inventor before: Song Jiafei Inventor before: Jiang Zhibao Inventor before: Wang Shaoguang Inventor before: Jia Haonan Inventor before: Shao Xianjun Inventor before: Chen Minghua |