Oxygen supplementing and preheating device for incinerator

Abstract

The utility model relates to the technical field of incinerators, and discloses an incinerator oxygenating and preheating device which comprises a bottom plate, and a supporting frame is fixedly installed on the top of the bottom plate. The tail gas treatment device has the following advantages and effects that heat carried by tail gas can be effectively utilized, oxygen supplementing gas is subjected to primary preheating, the tail gas is conveniently treated through the gas outlet pipe, atmosphere pollution is avoided, heat emitted by the incinerator body can be absorbed through the water tank, then clean water in the water tank is heated, and the tail gas can be recycled. The incinerator body can be used for heating the first spiral pipe, then hot water is used for conducting secondary preheating on the oxygen supplementing gas in the first spiral pipe, the heat recycling rate is increased, the incinerator body can be used for heating the second spiral pipe, then the oxygen supplementing gas is preheated again before the oxygen supplementing gas enters the incinerator body, and the preheating efficiency of the oxygen supplementing gas is greatly improved; the heat loss is reduced, and the heat recycling efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of incinerators, in particular to an oxygen supplementation preheating device for an incinerator. Background Art

[0002] An incinerator is an environmental protection equipment that incinerates waste gas, waste liquid, solid waste fuel, medical waste, domestic waste, animal carcasses, etc. at high temperature to reduce or shrink the quantity, and at the same time utilize the thermal energy of part of the incineration medium. It is divided into fixed incinerators and movable incinerators. When the incinerator is burning, it needs to be introduced into the outside air. Since the outside air temperature is low, it takes some time for the air to be heated up after entering the incinerator before it can be fully burned. During the heating process, if the air is mixed with the gas in the incinerator before it has risen to a sufficient temperature, it is easy to cause part of the gas to fail to burn fully.

[0003] In the prior art, a Chinese patent with a publication number of CN212274003U discloses an oxygen-supplementing preheating device for an incinerator, comprising an incinerator and an air intake pipe having one end connected to the air inlet of the incinerator; an exhaust gas pipe having one end connected to the exhaust gas outlet of the incinerator; a heat exchange portion installed in the exhaust gas pipe, comprising an inlet and an outlet; the other end of the air intake pipe being connected to the outlet; and an oxygen-supplementing fan having the air outlet connected to the inlet through a connecting pipe. Although the device can heat the oxygen-supplementing gas, a lot of heat will be lost in the transmission of the exhaust gas through the exhaust gas pipe and the heating pipe, and the heat recovery rate is not high.

[0004] Therefore, it is necessary to design an incinerator oxygen supplementation preheating device that can reduce heat loss and improve heat recovery efficiency. Utility Model Content

[0005] The utility model aims to provide an oxygen supplementation preheating device for an incinerator, which has the effect of reducing heat loss and improving heat recovery utilization rate.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: an oxygen supplementation preheating device for an incinerator, comprising a base plate, a support frame is fixedly installed on the top of the base plate, an incinerator body is fixedly installed on the support frame, and a preheating mechanism for preheating the oxygen supplementation gas is arranged on the base plate, and the preheating mechanism comprises a first-stage preheating component, a second-stage preheating component and a third-stage preheating component.

[0007] By adopting the above technical solution, the heat emitted by the incinerator body can be effectively recovered, the oxygen-supplementing gas can be preheated, the heat loss can be reduced, and the heat recovery rate can be improved.

[0008] The utility model is further configured as follows: the first-stage preheating component includes a cushion block, an oxygen supplementing fan, an air suction pipe, a preheating box and an exhaust pipe; the cushion block is fixedly mounted on the top of the base plate and is located in the support frame; the oxygen supplementing fan is fixedly mounted on the top of the cushion block; the air suction pipe is fixedly mounted on the air inlet end of the oxygen supplementing fan; a mounting hole is provided on the support frame; the preheating box is fixedly mounted in the mounting hole; one end of the air suction pipe away from the oxygen supplementing fan passes through the preheating box; the exhaust pipe is fixedly mounted on the top of the incinerator body; and one end of the exhaust pipe away from the incinerator body extends into the preheating box.

[0009] By adopting the above technical solution, the heat carried by the exhaust gas can be effectively utilized, the oxygen-supplementing gas can be preheated in one stage, and the heat recovery rate can be improved.

[0010] The utility model is further configured as follows: the secondary preheating component includes a water tank, a connecting pipe, a discharge solenoid valve, an exchange box, an air duct, a first spiral tube and an air vent; the water tank is fixedly mounted on the bottom of the incinerator body, the connecting pipe is fixedly mounted on the bottom of the water tank, the discharge solenoid valve is fixedly mounted on the connecting pipe, the exchange box is fixedly mounted on the bottom end of the connecting pipe, the air duct is fixedly mounted on the right side of the exchange box, the right end of the air duct is fixedly connected to the air outlet end of the oxygen supplement fan, the first spiral tube is fixedly mounted on the left end of the air duct and is located in the exchange box, and the air vent is fixedly mounted on the end of the first spiral tube away from the air duct.

[0011] By adopting the above technical solution, the water tank can be used to absorb the heat emitted by the incinerator body, thereby heating the clean water in the water tank, and then the hot water is used to perform secondary preheating of the oxygen-supplementing gas in the first spiral tube, thereby further improving the heat recovery rate.

[0012] The utility model is further configured as follows: the bottom of the incinerator body is a downwardly protruding arc surface, the top of the water tank is a downwardly recessed arc surface, and the top of the water tank fits with the bottom of the incinerator body.

[0013] By adopting the above technical solution, the incinerator body can be effectively fitted to reduce heat loss.

[0014] The utility model is further configured as follows: the three-stage preheating assembly includes an air supply pipe, a second spiral pipe and a transfer pipe, the air supply pipe is fixedly mounted on the incinerator body, the second spiral pipe is fixedly mounted on the outer wall of the incinerator body and is fixedly connected to the air supply pipe, the transfer pipe is fixedly mounted on one end of the second spiral pipe away from the air supply pipe, and one end of the exhaust pipe away from the first spiral pipe is fixedly connected to the transfer pipe.

[0015] By adopting the above technical solution, the second spiral tube can be heated by the incinerator body, and the oxygen-supplementing gas can be preheated again before entering the incinerator body, which greatly improves the efficiency of preheating the oxygen-supplementing gas, reduces heat loss, and improves heat recovery efficiency.

[0016] The utility model is further configured as follows: a temperature sensor is fixedly mounted on the inner wall of the bottom of the exchange box.

[0017] By adopting the above technical solution, the water temperature in the exchange box can be easily understood through the temperature sensor, thereby controlling the drainage and replenishing hot water.

[0018] The utility model is further configured as follows: a drain pipe is fixedly installed at the bottom of the exchange box, and a drain solenoid valve is fixedly installed on the drain pipe.

[0019] By adopting the above technical solution, the drainage pipe can be conveniently controlled to drain water.

[0020] The utility model is further configured as follows: a water inlet pipe is fixedly installed on the top of the water tank, and a water inlet solenoid valve is fixedly installed on the water inlet pipe.

[0021] By adopting the above technical solution, it is convenient to add water to the water tank.

[0022] The utility model is further configured as follows: an air outlet pipe is fixedly installed on the top of the preheating box, and one end of the air outlet pipe away from the preheating box is fixedly connected to the exhaust gas treatment device.

[0023] By adopting the above technical solution, the exhaust gas can be processed after utilizing the heat carried by the exhaust gas to avoid polluting the atmosphere.

[0024] The utility model is further configured as follows: a reinforcement plate is fixedly installed in the support frame, and the reinforcement plate is fixedly connected to the water tank.

[0025] By adopting the above technical solution, the incinerator body and the water tank can be supported and reinforced.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model can effectively utilize the heat carried by the exhaust gas by utilizing a primary preheating component composed of a pad, an oxygen supplementation fan, an air suction pipe, a preheating box and an exhaust pipe, perform primary preheating on the oxygen supplementation gas, improve the heat recovery rate, and conveniently process the exhaust gas through the exhaust pipe to avoid polluting the atmosphere.

[0028] 2. The utility model utilizes a two-stage preheating assembly consisting of a water tank, a connecting pipe, a discharging solenoid valve, an exchange box, an air guide pipe, a first spiral pipe and a vent pipe. The water tank can be used to absorb the heat emitted by the incinerator body, and then the clean water in the water tank is heated. The hot water is then used to perform a two-stage preheating of the oxygen-supplementing gas in the first spiral pipe, thereby further improving the heat recovery rate.

[0029] 3. The utility model utilizes a three-stage preheating assembly consisting of an air supply pipe, a second spiral pipe and a transfer pipe, and can use the incinerator body to heat the second spiral pipe, and then preheat the oxygen-supplementing gas again before the oxygen-supplementing gas enters the incinerator body, thereby greatly improving the efficiency of preheating the oxygen-supplementing gas, reducing heat loss, and improving heat recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of this embodiment.

[0032] Figure 2 It is a schematic diagram of the main cross-sectional structure of this embodiment.

[0033] Figure 3 It is a schematic diagram of the three-dimensional structure inside this embodiment.

[0034] In the figure, 1. bottom plate; 2. support frame; 3. incinerator body; 4. cushion block; 5. oxygen supply fan; 6. suction pipe; 7. mounting hole; 8. preheating box; 9. tail gas pipe; 10. water tank; 11. connecting pipe; 12. discharge solenoid valve; 13. exchange box; 14. air guide pipe; 15. first spiral pipe; 16. ventilation pipe; 17. air supply pipe; 18. second spiral pipe; 19. transfer pipe; 20. temperature sensor; 21. drain pipe; 22. drain solenoid valve; 23. water inlet pipe; 24. water inlet solenoid valve; 25. outlet pipe; 26. reinforcement plate. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1 , Figure 2 and Figure 3 The utility model provides an oxygen supplementation preheating device for an incinerator, comprising a base plate 1, a support frame 2 is fixedly installed on the top of the base plate 1, an incinerator body 3 is fixedly installed on the support frame 2, a reinforcement plate 26 is fixedly installed inside the support frame 2, the reinforcement plate 26 is fixedly connected to a water tank 10, a preheating mechanism for preheating oxygen supplementation gas is arranged on the base plate 1, and the preheating mechanism comprises a primary preheating component, a secondary preheating component and a tertiary preheating component.

[0037] Specifically, the primary preheating assembly includes a cushion block 4, an oxygen supplementation fan 5, an air suction pipe 6, a preheating box 8 and an exhaust pipe 9. The cushion block 4 is fixedly mounted on the top of the bottom plate 1 and is located in the support frame 2. The oxygen supplementation fan 5 is fixedly mounted on the top of the cushion block 4. It should be noted that the oxygen supplementation fan 5 used in the present technical solution has been fully disclosed in the Chinese patent with the announcement number CN212274003U, so it will not be repeated in this article. The air suction pipe 6 is fixedly mounted on the air inlet end of the oxygen supplementation fan 5. The support frame 2 is provided with a mounting hole 7. The heat box 8 is fixedly installed in the mounting hole 7, and an exhaust pipe 25 is fixedly installed on the top of the preheating box 8. The end of the exhaust pipe 25 away from the preheating box 8 is fixedly connected to the exhaust gas treatment device. The end of the suction pipe 6 away from the oxygen supplement fan 5 passes through the preheating box 8. By utilizing the combined effect of the suction pipe 6 and the preheating box 8, the heat carried by the exhaust gas flowing through can be transferred to the suction pipe 6 and the internal oxygen supplement gas. The exhaust pipe 9 is fixedly installed on the top of the incinerator body 3, and the end of the exhaust pipe 9 away from the incinerator body 3 extends into the preheating box 8.

[0038] Specifically, the secondary preheating assembly includes a water tank 10, a connecting pipe 11, a discharge solenoid valve 12, an exchange box 13, an air guide duct 14, a first spiral tube 15 and an air vent duct 16. The water tank 10 is fixedly installed at the bottom of the incinerator body 3. The bottom of the incinerator body 3 is a downwardly protruding arc surface. The top of the water tank 10 is a downwardly recessed arc surface. The top of the water tank 10 fits with the bottom of the incinerator body 3. A water inlet pipe 23 is fixedly installed on the top of the water tank 10. A water inlet solenoid valve 24 is fixedly installed on the water inlet pipe 23. The connecting pipe 11 is fixedly installed at the bottom of the water tank 10. The discharge solenoid valve 12 is fixedly installed on the connecting pipe 11. The exchange box 13 is fixedly installed at the bottom end of the connecting pipe 11. The bottom of the exchange box 13 A temperature sensor 20 is fixedly installed on the inner wall, and a temperature display is fixedly installed on the support frame 2, so as to facilitate the operator to adjust the water temperature of the exchange box 13. The air duct 14 is fixedly installed on the right side of the exchange box 13, and the right end of the air duct 14 is fixedly connected to the air outlet end of the oxygen supplementation fan 5. The first spiral tube 15 is fixedly installed on the left end of the air duct 14 and is located in the exchange box 13. The first spiral tube 15 can extend the length and time of the oxygen supplementation gas flowing in the exchange box 13, thereby improving the efficiency of heat exchange. The air vent 16 is fixedly installed on the end of the first spiral tube 15 away from the air duct 14. A drain pipe 21 is fixedly installed on the bottom of the exchange box 13, and a drain solenoid valve 22 is fixedly installed on the drain pipe 21.

[0039] Specifically, the three-stage preheating assembly includes an air supply pipe 17, a second spiral pipe 18 and a transfer pipe 19. The air supply pipe 17 is fixedly installed on the incinerator body 3, the second spiral pipe 18 is fixedly installed on the outer wall of the incinerator body 3 and is fixedly connected to the air supply pipe 17. The second spiral pipe 18 can directly fit the outer wall of the incinerator body 3 to reduce the heat dissipated by the incinerator body 3. The transfer pipe 19 is fixedly installed on the end of the second spiral pipe 18 away from the air supply pipe 17, and the end of the exhaust pipe 16 away from the first spiral pipe 15 is fixedly connected to the transfer pipe 19.

[0040] In this example, a control switch is fixedly installed on the support frame 2, and the incinerator body 3, the oxygen supply fan 5, the discharge solenoid valve 12, the temperature sensor 20, the drain solenoid valve 22, the water inlet solenoid valve 24 and the control switch are connected to the power line wires in sequence through the guide. The control switch can control the opening and closing of the incinerator body 3, the oxygen supply fan 5, the discharge solenoid valve 12, the temperature sensor 20, the drain solenoid valve 22 and the water inlet solenoid valve 24 respectively.

[0041] Through the above structure, the utility model provides an incinerator oxygen supplementation preheating device, which can effectively utilize the heat carried by the tail gas, perform primary preheating on the oxygen supplementation gas, and conveniently process the tail gas through the exhaust pipe to avoid polluting the atmosphere. The water tank can be used to absorb the heat emitted by the incinerator body, and then the clean water in the water tank is heated, and the hot water is used to perform secondary preheating on the oxygen supplementation gas in the first spiral tube to improve the heat recovery rate. The incinerator body can also be used to heat the second spiral tube, and then the oxygen supplementation gas can be heated in the second spiral tube. Before entering the incinerator body, the oxygen-supplementing gas is preheated again, which greatly improves the efficiency of preheating the oxygen-supplementing gas, reduces the loss of heat, and further improves the efficiency of heat recovery and utilization. When used specifically, the incinerator body 3 is controlled to operate, the internal material is incinerated, and the exhaust gas generated begins to continuously enter the preheating box 8 through the exhaust pipe 9, and the oxygen-supplementing fan 5 is controlled to operate. The oxygen-supplementing fan 5 absorbs the outside air through the suction pipe 6. When the absorbed air enters the preheating box 8 through the suction pipe 6, the heat carried by the exhaust gas will be carried by the suction pipe 6. The heat generated by the incinerator body 3 heats the clean water in the water tank 10, and the discharge solenoid valve 12 is controlled to open, and the hot water in the water tank 10 enters the exchange box 13 through the connecting pipe 11. By using the first spiral tube 15, the time and length of the heat exchange between the oxygen-supplementing gas and the hot water are greatly extended, and the efficiency of preheating the oxygen-supplementing gas is greatly improved. By using the temperature sensor 20, the water temperature in the exchange box 13 can be conveniently detected. When the water temperature becomes low, first control the drainage solenoid valve 22 to operate, discharge part of the clean water in the exchange box 13, and then control the discharge solenoid valve 12 to operate, replenish the hot water in the upper water tank 10 into the exchange box 13, and collect the discharged hot water, so that the heat of the hot water can be further recycled. After the oxygen-supplementing gas passes through the exchange box 13 and enters the second spiral tube 18, it is preheated again by the heat transferred from the incinerator body 3, which further improves the efficiency of preheating the oxygen-supplementing gas, reduces heat loss, and improves heat recovery efficiency.

[0042] The above is a detailed introduction to an incinerator oxygen supplementation preheating device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An oxygen supplementation preheating device for an incinerator, characterized in that: The invention comprises a bottom plate (1), a support frame (2) is fixedly mounted on the top of the bottom plate (1), an incinerator body (3) is fixedly mounted on the support frame (2), and a preheating mechanism for preheating oxygen-supplementing gas is arranged on the bottom plate (1), the preheating mechanism comprising a primary preheating component, a secondary preheating component and a tertiary preheating component.

2. The incinerator oxygen supplementation preheating device according to claim 1 is characterized in that: The primary preheating assembly comprises a cushion block (4), an oxygen supplementing fan (5), an air suction pipe (6), a preheating box (8) and an exhaust pipe (9); the cushion block (4) is fixedly mounted on the top of the base plate (1) and is located in the support frame (2); the oxygen supplementing fan (5) is fixedly mounted on the top of the cushion block (4); the air suction pipe (6) is fixedly mounted on the air inlet end of the oxygen supplementing fan (5); a mounting hole (7) is provided on the support frame (2); the preheating box (8) is fixedly mounted in the mounting hole (7); an end of the air suction pipe (6) away from the oxygen supplementing fan (5) passes through the preheating box (8); the exhaust pipe (9) is fixedly mounted on the top of the incinerator body (3); and an end of the exhaust pipe (9) away from the incinerator body (3) extends into the preheating box (8).

3. The incinerator oxygen supplementation preheating device according to claim 2 is characterized in that: The secondary preheating assembly comprises a water tank (10), a connecting pipe (11), a discharge electromagnetic valve (12), an exchange box (13), an air guide pipe (14), a first spiral pipe (15) and an air vent pipe (16); the water tank (10) is fixedly mounted on the bottom of the incinerator body (3); the connecting pipe (11) is fixedly mounted on the bottom of the water tank (10); the discharge electromagnetic valve (12) is fixedly mounted on the connecting pipe (11); the exchange box (13) is fixedly mounted on the bottom end of the connecting pipe (11); the air guide pipe (14) is fixedly mounted on the right side of the exchange box (13); the right end of the air guide pipe (14) is fixedly connected to the air outlet end of the oxygen supplement fan (5); the first spiral pipe (15) is fixedly mounted on the left end of the air guide pipe (14) and is located in the exchange box (13); and the air vent pipe (16) is fixedly mounted on the end of the first spiral pipe (15) away from the air guide pipe (14).

4. The incinerator oxygen supplementation preheating device according to claim 3 is characterized in that: The bottom of the incinerator body (3) is a downwardly protruding arc surface, the top of the water tank (10) is a downwardly recessed arc surface, and the top of the water tank (10) fits the bottom of the incinerator body (3).

5. The incinerator oxygen supplementation preheating device according to claim 3 is characterized in that: The three-stage preheating assembly comprises an air supply pipe (17), a second spiral pipe (18) and a transfer pipe (19); the air supply pipe (17) is fixedly mounted on the incinerator body (3); the second spiral pipe (18) is fixedly mounted on the outer wall of the incinerator body (3) and is fixedly connected to the air supply pipe (17); the transfer pipe (19) is fixedly mounted on one end of the second spiral pipe (18) away from the air supply pipe (17); and one end of the air discharge pipe (16) away from the first spiral pipe (15) is fixedly connected to the transfer pipe (19).

6. The incinerator oxygen supplementation preheating device according to claim 3 is characterized in that: A temperature sensor (20) is fixedly mounted on the inner wall of the bottom of the exchange box (13).

7. The incinerator oxygen supplementation preheating device according to claim 6 is characterized in that: A drainage pipe (21) is fixedly installed at the bottom of the exchange box (13), and a drainage solenoid valve (22) is fixedly installed on the drainage pipe (21).

8. The incinerator oxygen supplementation preheating device according to claim 4 is characterized in that: A water inlet pipe (23) is fixedly mounted on the top of the water tank (10), and a water inlet solenoid valve (24) is fixedly mounted on the water inlet pipe (23).

9. The incinerator oxygen supplementation preheating device according to claim 2, characterized in that: An air outlet pipe (25) is fixedly mounted on the top of the preheating box (8), and one end of the air outlet pipe (25) away from the preheating box (8) is fixedly connected to an exhaust gas treatment device.

10. The incinerator oxygen supplementation preheating device according to claim 8, characterized in that: A reinforcing plate (26) is fixedly installed inside the support frame (2), and the reinforcing plate (26) is fixedly connected to the water tank (10).

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