CN219913092U - Direct-fired furnace equipment - Google Patents

Direct-fired furnace equipment Download PDF

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Publication number
CN219913092U
CN219913092U CN202321434967.1U CN202321434967U CN219913092U CN 219913092 U CN219913092 U CN 219913092U CN 202321434967 U CN202321434967 U CN 202321434967U CN 219913092 U CN219913092 U CN 219913092U
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direct
heat exchanger
fired furnace
furnace body
waste gas
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CN202321434967.1U
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李学党
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Xi An Juyuan Information Technology Co ltd
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Xi An Juyuan Information Technology Co ltd
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  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model relates to the technical field of direct-fired furnaces and discloses direct-fired furnace equipment which solves the problem that the existing waste gas combustion furnace has lower utilization rate of waste gas heat energy, and comprises a direct-fired furnace body, wherein a PLC (programmable logic controller) is arranged at one end of the front surface of the direct-fired furnace body, an air inlet component is arranged at the bottom end of the direct-fired furnace body, a combustor I and a combustor II are arranged at one end of the direct-fired furnace body, a secondary waste gas heat exchanger, a hot kerosene heat exchanger, a primary waste gas heat exchanger, a fresh air heat exchanger and a hot water heat exchanger are sequentially arranged in the direct-fired furnace body, the air inlet component is sequentially inserted into the primary waste gas heat exchanger, the hot kerosene heat exchanger and the secondary waste gas heat exchanger, a smoke exhaust fan is arranged at one end of the direct-fired furnace body, which is far away from the combustor I and the combustor II, and an air outlet of the smoke exhaust fan is provided with a smoke exhaust chimney; through this direct-fired furnace equipment can realize the combustion treatment to waste gas, and the power consumption is low, and the treatment effect is good, can avoid causing the waste of heat energy to the heat energy make full use of in the waste gas simultaneously.

Description

Direct-fired furnace equipment
Technical Field
The utility model belongs to the technical field of direct-fired furnaces, and particularly relates to direct-fired furnace equipment.
Background
In recent years, the air pollution condition of China is increasingly serious, the total emission amount of industrial waste gas in 2011 reaches 47.52 trillion cubic meters, which is 1.38 times of that in 2003, the treatment of industrial waste gas is a serious issue for preventing and controlling air pollution, and the waste gas treatment industry becomes one of the props of the China environmental protection industry.
Waste gas is basically generated in industrial production, and the waste gas generates huge harm to human bodies and pollutes the atmosphere, so that the waste gas is required to be treated into harmless gas and then reaches the emission standard, a considerable amount of waste gas is gaseous organic compound, the incineration process is the most common, better in effect and the lowest in cost, but the currently used waste gas combustion furnace has low utilization rate of waste gas heat energy, causes waste of a large amount of heat energy, and meanwhile, electric energy is required to be consumed, so that the environment-friendly and energy-saving effects are poor.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides direct-fired furnace equipment, which effectively solves the problem that the existing waste gas combustion furnace has lower utilization rate of waste gas heat energy.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct-fired furnace equipment, includes the direct-fired furnace body, the positive one end of direct-fired furnace body is provided with the PLC controller, the bottom of direct-fired furnace body is provided with the subassembly that admits air, the one end of direct-fired furnace body is provided with combustor one and combustor two, the inside of direct-fired furnace body has set gradually second grade waste gas heat exchanger, hot kerosene heat exchanger, one-level waste gas heat exchanger, new trend heat exchanger and hot water heat exchanger, the subassembly that admits air alternates in one-level waste gas heat exchanger, hot kerosene heat exchanger and second grade waste gas heat exchanger in proper order, the one end that the direct-fired furnace body kept away from combustor one and combustor two is provided with exhaust fan, exhaust fan's air outlet is provided with the chimney.
Preferably, the air inlet assembly comprises an exhaust pipe group, an exhaust gas air collecting box, an exhaust gas guiding fan and an air collecting inlet pipe, wherein the exhaust pipe group and the air collecting inlet pipe are connected with the exhaust gas air collecting box, the exhaust gas guiding fan is connected with the air collecting inlet pipe, and the air collecting inlet pipe is sequentially inserted into the primary exhaust gas heat exchanger, the hot kerosene heat exchanger and the secondary exhaust gas heat exchanger, and a proportional valve is arranged on the air collecting inlet pipe.
Preferably, the first burner and the second burner are of movable adjustable structures, one end, close to the first burner and the second burner, of the direct-fired furnace body is provided with a closed gate, one end, close to the closed gate, of the direct-fired furnace body is fixedly provided with a fire-resistant heat storage brick, and the top, close to one end of the fire-resistant heat storage brick, of the direct-fired furnace body is provided with a thermocouple.
Preferably, the intermediate position at the top end of the direct-fired furnace body is provided with an oil pipe inserted in the hot kerosene heat exchanger, one end, close to the fresh air heat exchanger, of the top of the direct-fired furnace body is provided with a fresh air pipe inserted in the fresh air heat exchanger, one end of the fresh air pipe is provided with a fresh air fan and a fresh air collection box I, the bottom end of the fresh air collection box I is provided with a plurality of fresh air inlet pipes, and the other end of the fresh air pipe is provided with a fresh air collection box II.
Preferably, one end of the bottom of the direct-fired furnace body is provided with a hot water pipe inserted in the hot water heat exchanger, and one end of the hot water pipe is provided with a hot water tank.
Compared with the prior art, the utility model has the beneficial effects that:
(1) In operation, through being provided with the direct-fired furnace body, the air inlet component, the combustor I, the combustor II, the secondary waste gas heat exchanger, the primary waste gas heat exchanger and the fire-resistant heat storage bricks, the heat of waste gas combustion can be utilized to preheat the air inlet twice, so that the waste gas can approach the combustion temperature, the ignition frequency of the combustor is reduced, thereby realizing the effective utilization of the heat energy generated by combustion, avoiding the waste of the heat energy, delaying the flow velocity of the waste gas through the fire-resistant heat storage bricks, increasing the retention time of the waste gas in a hearth, simultaneously, the fire-resistant heat storage bricks can store heat at high temperature, generate heat, and facilitate the combustion of the waste gas, thereby achieving the purpose of fully combusting and cracking the organic waste gas;
(2) The hot kerosene heat exchanger, the fresh air heat exchanger, the hot water heat exchanger, the fresh air pipe, the fresh air collecting box I, the fresh air collecting box II, the hot water pipe and the hot water tank are arranged, so that heat in waste gas can be utilized to heat fresh air, hot kerosene and hot water, and full utilization of heat energy is realized.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a direct-fired furnace apparatus of the present utility model;
FIG. 2 is a schematic view of the internal structure of the direct-fired furnace device of the present utility model;
in the figure: 1. a direct-fired furnace body; 2. a PLC controller; 3. an air intake assembly; 4. a first burner; 5. a second burner; 6. a secondary waste gas heat exchanger; 7. a hot kerosene heat exchanger; 8. a primary waste gas heat exchanger; 9. a fresh air heat exchanger; 10. a hot water heat exchanger; 11. a smoke exhaust fan; 12. a chimney; 13. a waste gas pipe group; 14. an exhaust gas collection box; 15. the waste gas is led into a fan; 16. a gas collecting inlet pipe; 17. a proportional valve; 18. closing the gate; 19. refractory heat accumulating brick; 20. a thermocouple; 21. an oil pipe; 22. a new air pipe; 23. fresh air blower; 24. a fresh air collection box I; 25. a fresh air collection box II; 26. a hot water pipe; 27. a hot water tank.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the direct-fired furnace device comprises a direct-fired furnace body 1, wherein a PLC (programmable logic controller) controller 2 is arranged at one end of the front surface of the direct-fired furnace body 1, an air inlet component 3 is arranged at the bottom end of the direct-fired furnace body 1, a first burner 4 and a second burner 5 are arranged at one end of the direct-fired furnace body 1, a second-stage waste gas heat exchanger 6, a hot kerosene heat exchanger 7, a first-stage waste gas heat exchanger 8, a fresh air heat exchanger 9 and a hot water heat exchanger 10 are sequentially arranged in the direct-fired furnace body 1, the air inlet component 3 is sequentially inserted into the first-stage waste gas heat exchanger 8, the hot kerosene heat exchanger 7 and the second-stage waste gas heat exchanger 6, a smoke exhaust fan 11 is arranged at one end, far away from the first burner 4 and the second burner 5, of the direct-fired furnace body 1, and a smoke exhaust chimney 12 is arranged at an air outlet of the smoke exhaust fan 11;
as shown in fig. 1 and 2, the air intake assembly 3 is composed of an exhaust gas pipe group 13, an exhaust gas air collecting box 14, an exhaust gas introducing fan 15 and an air collecting air inlet pipe 16, wherein the exhaust gas pipe group 13 and the air collecting air inlet pipe 16 are connected with the exhaust gas air collecting box 14, the exhaust gas introducing fan 15 is connected with the air collecting air inlet pipe 16, the air collecting air inlet pipe 16 is sequentially inserted into a primary exhaust gas heat exchanger 8, a hot kerosene heat exchanger 7 and a secondary exhaust gas heat exchanger 6, a proportional valve 17 is arranged on the air collecting air inlet pipe 16, the first burner 4 and the second burner 5 are of movable adjustable structures, a closed gate 18 is arranged at one end, close to the first burner 4 and the second burner 5, of the inside of the direct-fired furnace body 1, a refractory heat storage brick 19 is fixedly arranged at one end, close to the closed gate 18, a thermocouple 20 is arranged at the top, close to one end, of the inside of the direct-fired furnace body 1, at the top, of the refractory heat storage brick 19, of the medium position is provided with an oil pipe 21 inserted into the top of the direct-fired furnace body 1, an end, inserted into the primary exhaust gas heat exchanger 8, the hot water pipe 9 is arranged at one end, of the direct-fired furnace body, a hot water pipe 22 is inserted into the air pipe 9 is arranged at one end, the top of the direct-fired furnace body, the air pipe is inserted into the air pipe 9, the air pipe 22 is inserted into the top end, respectively, the air pipe 22 is arranged, the air inlet pipe is arranged at the bottom end of the fresh air pipe 2 is provided with a hot water pipe 24, and the fresh air pipe is arranged at the end, and the end of the fresh air pipe 2 is provided with a fresh air inlet pipe 2, and the fresh air heater, and the fresh air 1 is respectively, and the end is heated by the fresh air and the fresh air 1 is heated by the air and heated through 2 and the air and heated;
industrial waste gas enters into a waste gas air collecting box 14 through a waste gas pipe group 13, then enters into the air collecting inlet pipe 16 through a waste gas guiding fan 15, the control of air inflow is realized through a proportional valve 17, the air collecting inlet pipe 16 sequentially passes through a primary waste gas heat exchanger 8, a hot kerosene heat exchanger 7 and a secondary waste gas heat exchanger 6, when the waste gas reaches the positions of a first burner 4 and a second burner 5, the waste gas is ignited and combusted through the first burner 4 and the second burner 5, heat energy generated by the waste gas combustion is stored through a fire-resistant heat accumulating brick 19, when the temperature in the furnace reaches a preset temperature, the first burner 4 and the second burner 5 are closed and removed from the inside of a direct-fired furnace body, then a sealing gate 18 is closed, the combusted waste gas sequentially passes through the secondary waste gas heat exchanger 6, the hot kerosene heat exchanger 7, the primary waste gas heat exchanger 8, a fresh air heat exchanger 9 and a water heat exchanger 10, therefore, the preheating of the air inlet can be realized, the preheating temperature of the waste gas is generally set to about 620 ℃, the waste gas is prevented from being burnt in a heat exchange tube due to overhigh preheating temperature, the heat exchange tube is burnt out, or the preheating temperature is too low, the waste gas cannot be spontaneously combusted and is incompletely combusted after entering a hearth, the discharge is not up to standard, the flow rate of the waste gas can be delayed through the refractory heat accumulating brick 19, the residence time of the waste gas in the hearth is increased, meanwhile, the refractory heat accumulating brick can accumulate heat at a high temperature, redness and heat are generated, the combustion of the waste gas is facilitated, the purpose of fully combusting and cracking the organic waste gas is achieved, and meanwhile, the fresh air, the hot kerosene and the hot water can be heated by utilizing the heat in the waste gas, so that the full utilization of the heat energy is realized.
In operation, through being provided with the direct-fired furnace body, the air inlet component, the combustor I, the combustor II, the secondary waste gas heat exchanger, the primary waste gas heat exchanger and the fire-resistant heat storage brick, thereby the heat of waste gas combustion can be utilized to preheat the air inlet twice, so that the waste gas can approach the combustion temperature, the ignition frequency of the combustor is reduced, thereby the heat energy generated by combustion is effectively utilized, the waste of heat energy is avoided, the flow rate of the waste gas can be delayed through the fire-resistant heat storage brick, the retention time of the waste gas in a hearth is increased, meanwhile, the fire-resistant heat storage brick can store heat at high temperature, reddish heat is generated, the waste gas combustion is facilitated, and the aim of fully combusting and cracking organic waste gas is achieved; through being provided with hot kerosene heat exchanger, new trend heat exchanger, hot water heat exchanger, new tuber pipe, new trend collection bellows first, new trend collection bellows second, hot-water line and hot-water tank to can utilize the heat in the waste gas to heat new trend, hot kerosene and hot water, realize the make full use of to heat energy.

Claims (5)

1. Direct-fired furnace equipment, including direct-fired furnace body (1), its characterized in that: the utility model discloses a direct-fired furnace, including direct-fired furnace body (1), combustor, first (4) and second (5) of direct-fired furnace body (1), positive one end of direct-fired furnace body (1) is provided with PLC controller (2), the bottom of direct-fired furnace body (1) is provided with subassembly (3) that admits, the one end that direct-fired furnace body (1) was provided with combustor first (4) and combustor second (5), the inside of direct-fired furnace body (1) has set gradually second grade waste gas heat exchanger (6), hot kerosene heat exchanger (7), one-level waste gas heat exchanger (8), new trend heat exchanger (9) and hot water heat exchanger (10), subassembly (3) that admits in one-level waste gas heat exchanger (8), hot kerosene heat exchanger (7) and second waste gas heat exchanger (6) in proper order, the one end that combustor first (4) and combustor second (5) were kept away from to direct-fired furnace body (1) is provided with exhaust fan (11), the air outlet of exhaust fan (11) is provided with exhaust stack (12).
2. A direct fired furnace apparatus according to claim 1, characterized in that: the air inlet assembly (3) is composed of an exhaust pipe group (13), an exhaust gas air collecting box (14), an exhaust gas guiding fan (15) and an air collecting air inlet pipe (16), wherein the exhaust pipe group (13) and the air collecting air inlet pipe (16) are connected with the exhaust gas air collecting box (14), the exhaust gas guiding fan (15) is connected with the air collecting air inlet pipe (16), the air collecting air inlet pipe (16) is sequentially inserted into the primary exhaust gas heat exchanger (8), the hot kerosene heat exchanger (7) and the secondary exhaust gas heat exchanger (6), and a proportional valve (17) is arranged on the air collecting air inlet pipe (16).
3. A direct fired furnace apparatus according to claim 1, characterized in that: the utility model discloses a fire-resistant heat accumulation brick, including a fire-resistant heat accumulation brick (19), a fire-resistant heat accumulation brick (20), a fire-resistant heat accumulation brick (19) and a fire-resistant heat accumulation brick (20) are fixedly arranged at one end of the fire-resistant heat accumulation brick (18) inside the fire-resistant heat accumulation brick, wherein the fire-resistant heat accumulation brick (19) is arranged at the top of the fire-resistant heat accumulation brick (19).
4. A direct fired furnace apparatus according to claim 1, characterized in that: the utility model discloses a direct-fired furnace, including direct-fired furnace body (1), fresh air heat exchanger (9), fresh air pipe (22), fresh air fan (23) and fresh air collection case one (24) are provided with in the intermediate position on direct-fired furnace body (1) top, and the intermediate position on direct-fired furnace body (1) top is provided with oil pipe (21) that alternates in hot kerosene heat exchanger (7), and the one end that is close to fresh air heat exchanger (9) at direct-fired furnace body (1) top is provided with alternates in fresh air pipe (22), and one end of fresh air pipe (22) is provided with fresh air fan (23) and fresh air collection case one (24), and the bottom of fresh air collection case one (24) is provided with a plurality of fresh air inlet pipes, and the other end of fresh air pipe (22) is provided with fresh air collection case two (25).
5. A direct fired furnace apparatus according to claim 1, characterized in that: one end of the bottom of the direct-fired furnace body (1) is provided with a hot water pipe (26) which is inserted in the hot water heat exchanger (10), and one end of the hot water pipe (26) is provided with a hot water tank (27).
CN202321434967.1U 2023-06-07 2023-06-07 Direct-fired furnace equipment Active CN219913092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321434967.1U CN219913092U (en) 2023-06-07 2023-06-07 Direct-fired furnace equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321434967.1U CN219913092U (en) 2023-06-07 2023-06-07 Direct-fired furnace equipment

Publications (1)

Publication Number Publication Date
CN219913092U true CN219913092U (en) 2023-10-27

Family

ID=88432368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321434967.1U Active CN219913092U (en) 2023-06-07 2023-06-07 Direct-fired furnace equipment

Country Status (1)

Country Link
CN (1) CN219913092U (en)

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